TITLE OF THE INVENTION
MACHINE ROOM-LESS ELEVATOR
FIELD OF THE INVENTION
5 The present invention r e l a t e s t o a machine room-less
e l e v a t o r having a governor rope extended i n a h o i s t way i n an
endlessmanner, inwhich t h e governor rope a n d a n e l e v a t o r cage
a r e coupled with each o t h e r .
10 BACKGROUND OF THE INVENTION
As abackgroundartofthepresenttechnicalfield, t h e r e
is one d i s c l o s e d i n Japanese Patent Laid-open No. 2003-081557
(Patent Document 1). There i s described, i n Japanese Patent
Laid-open No. 2003-081557, a swing prevention device f o r a
15 governor rope wound around a governor p u l l e y and a t e n s i o n p u l l e y
i n an endless manner. The governor rope is coupled with an
e l e v a t o r cage through a l e v e r . Further, t h e governor rope on
one s i d e where t h e cage i s coupled ( h e r e a f t e r c a l l e d a "cage-side
governor rope") is moved t o t h e o t h e r s i d e of t h e cage when
20 thecagegoesupanddownviathegovernorpulleyandthetension
p u l l e y .
The swing prevention device has a r o l l e r or two or more
r o l l e r s provided along t h e governor rope coupled with t h e cage
a t a predetermined i n t e r v a l on t h e o t h e r s i d e of t h e cage with
25 respect t o t h e g o v e r n o r rope. Whena s w i n g o f a b u i l d i n g forces
the governor rope to swing which gets greater, on one side of
the rope swing in a horizontal direction, the governor rope
comes in contact with an inner circumferential surface of the
roller, and the swing of the governor rope is reduced. As a
result, displacement of the governor rope can be constrained
considerably (see paragraphs 0042 to 0045, Fig. 8).
SUMMARY OF THE INVENTION
According to the governor rope-swing prevention device
of Patent Documentl, there is usedadisplacement constraining
member, suchas a roller, forpreventingthe governor rope from
swinging. In this case, there is required an installation
member, such as a bracket, for fixing the displacement
constraining member in a hoist way. In addition, since the
displacement constraining member and the installation member
aremounted, itisnecessarytoalsoincreaseaplanardimension
(dimension in a plan view) of the hoist way a little. Further,
according to a machine room-less elevator in which there are
disposeddevices suchas ahoistingmachine anda control panel
of the elevator in the hoist way, it is necessary to dispose
devices such as the control panel adjacent to the governor device.
When there is interference between an installation position
of the displacement constraining member and the installation
member and an installation position ofthe controlpaneletc.,
it may be necessary to move the position of the control panel
etc. adjacent to the governor device so as to prevent such
interference. When one device is moved, an interference with
anotherdevicehas tobe considered. Thus, apositionalchange
of one device following the attachment of the displacement
constraining member and the installation member may greatly
affect the planar dimension of the hoist way. Therefore, the
arrangementofdevicesincludingthedisplacementconstraining
member and the installation member becomes important in terms
of space saving of the hoist way.
Also, the elevator disclosed in Patent Document 1 has
a machine room on an upper side of the hoist way. According
to the elevator having themachine room, it is possible to dispose
devices such as a hoisting machine and a control panel in the
machine room. Therefore, it is not necessary to consider the
arrangement of the devices such as the hoisting machine and
the control panel in the hoist way. Accordingly, in Patent
Document 1, the configuration of arranging devices with
effective use of a range in which the governor rope is wound
around has not been considered.
A n o b j e c t o f t h e p r e s e n t i n v e n t i o n i s t o p r o v i d e a m a c h i n e
room-less elevator capableofminimizing space for arrangement
of devices in a hoist way and reducing the swing of a governor
rope.
According to the present invention, in order to attain
the above object, there is provided a roller in a control panel
of an elevator disposed near a governor rope coupled with a
cage, moving up and down in synchronism with the cage, and
extended in an endless manner in a hoist way, the roller pressing
the extended governor ripe. The control panel is provided in
a space formed by a retreat of the governor rope pressed by
the roller.
As described above, according to the present invention,
the space is formed by pressing the governor rope coupled with
the cage in the hoist way by the roller installed in the control
panel and, using the space effectively to dispose the control
panel in the space, it becomes possible to reduce the
cross-sectional area of the hoist way. As a result, the space
for arranging devices in the hoist way can be minimized.
Moreover, by pressing the governor rope with the roller, the
swing of the governor rope can be reduced.
Objects, configurations, andeffectsotherthantheabove
will become apparent from the description of the embodiments
below.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a plan view showing a first embodiment of an
elevator according to the present invention;
Fig. 2A is a longitudinal cross-section showing an
embodiment ofthe elevator according tothe present invention;
Fig. 2B is a view in which a control panel 9 of Fig. 2A
is seen from a direction of arrow IIB;
Fig. 3A is a longitudinal cross-section showing a
conventionalelevatorhavinganL-shapedsteelasadisplacement
constraining member (swing-prevention member) for a governor
5 rope;
Fig. 3B is a longitudinal cross-section showing a
conventional elevator having a roller as a displacement
constrainingmember (swing-preventionmember) forthegovernor
rope;
10 Fig. 4 shows, in detail, the displacement constraining
member of the conventional elevator;
Fig. 5is aplanviewofanelevatorshownas acomparative
example of the present invention;
Fig. 6Aisa front view showing, indetail, adisplacement
15 constraining member (swing-prevention member) of the present
invention;
Fig. 6Bisasideviewshowing, indetail, thedisplacement
constraining member (swing-prevention member) of the present
invention;
2 0 Fig. 6Cisatopviewshowing, indetail, thedisplacement
constraining member (swing-prevention member) of the present
invention;
Fig. 7Ais alongitudinalcross-section showing a second
embodiment according to the present invention;
2 5 Fig. 7B shows a view in which a control panel 9 of Fig.
7A is seen from a direction of arrow VIIB;
Fig. 8A is a longitudinal cross-section showing a third
embodiment according to the present invention;
Fig. 8B shows a view in which a control panel 9 of Fig.
5 8A is seen from a direction of arrow VIIIB; and
Fig. 9 shows, in detail, a displacement constraining
member (swing-prevention member) of Figs. 8A and 8B.
DETAILED DESCRIPTION OF THE PREFERRED EMBOIDIMENTS
10 Now, embodiments according tothe present inventionwill
be described.
First Embodiment
With reference to Fig. 1, Figs. 2A and 2B, and Figs. 6A
to 6C, afirstembodimentofanelevatorofthepresentinvention
15 will be described. Fig. 1 is a plan view showing the first
embodiment ofthe elevator according tothe present invention.
Fig. 2Ais a longitudinal cross-section showing the embodiment
of the elevator according to the present invention. Fig. 2B
shows a view in which a control panel 9 of Fig. 2A is seen from
20 a direction of arrow IIB. Fig. 6A is a front view showing,
in detail, a displacement constraining member
(swing-prevention member) of the present invention. Fig. 6B
isasideviewshowing, indetail, thedisplacement constraining
member (swing-preventionmember) ofthepresentinvention. Fig.
25 6C is a top view showing, in detail, the displacement
constraining member (swing-prevention member) of the present
invention. In Fig. 2A, in order to simplify the explanation,
a positional relationship of a cage 8, a governor device 12,
and the control panel 9 is altered. A correct positional
relationship thereof can be obtained by referring to Fig. 1.
First, with reference to Fig. 1, the configuration of
the machine room-less elevator according to the present
invention will be explained. Also, as shown by arrows in Fig.
1, a width direction W and a depth direction D are defined.
Themachine room-less elevator ofthe present embodiment
comprises: a pair of guide rails 3a and 3b for a cage supported
and erected by fixing members 6a and 6b in a hoist way 1; a
cage 8 guided by the guide rails 3a and 3b for the cage to move
up and down; a hoisting machine 10 installed on a lower side
of the hoist way at a position adjacent to the cage 8 in a plan
view; a pair of guide rails 4a and 4b for a weight erected on
a side face ofthe cage 8 a t a p o s i t i o n a d j a c e n t t o t h e h o i s t i n g
machine 10; a balancing weight 5 guided by the guide rails 4a
and 4b for the weight to move up and down; and a main rope (not
shown) suspending the balancing weight 5 and the cage 8, and
is driven through being wound by the hoisting machine 10.
Furthermore, the machine room-less elevator includes:
thegovernordevice12havingagovernorrope11; andthecontrol
panel 9 installed near the governor rope 11.
In a space between a hoist way wall 2a located on one
s i d e of t h e h o i s t way 1 i n t h e width d i r e c t i o n W and t h e cage
8, t h e r e a r e provided: t h e h o i s t i n g machine 10; t h e guide r a i l
3 a f o r t h e c a g e ; t h e p a i r o f g u i d e r a i l s 4 a a n d 4 b f o r t h e w e i g h t ;
t h e f i x i n g member 6a which f i x e s t h e guide r a i l 3a f o r t h e cage
and t h e guide r a i l 4a f o r t h e weight t o t h e h o i s t way wall 2a;
the balancing weight 5; and a f i x i n g member 6c which f i x e s t h e
guide r a i l 4b f o r t h e weight t o a h o i s t way wall 2c located
i n t h e back of t h e h o i s t way 1.
In t h e width d i r e c t i o n W, i n a space between a h o i s t way
wall 2b located on t h e o t h e r s i d e of t h e h o i s t way 1 and t h e
cage 8, t h e r e a r e disposed t h e guide r a i l 3a f o r t h e cage, t h e
f i x i n g member 6b f o r f i x i n g t h e guide r a i l 3b f o r t h e cage t o
t h e h o i s t way wall 2b; t h e governor device 12; and t h e c o n t r o l
panel 9.
Thepresentembodimentgreatlydiffers fromthe e l e v a t o r
shown i n Fig. 5 with r e s p e c t t o t h e arrangement of t h e devices
i n s t a l l e d i n t h e h o i s t way 1 of Fig. 1.
Afirstdifferenceisthepositionofthe governor device
12 and t h e c o n t r o l panel 9.
Before explaining t h e d i f f e r e n c e from t h e comparative
example, d e s c r i p t i o n w i l l be given t o t h e governor device 12
of t h e present embodiment i n d e t a i l . As shown i n a s e c t i o n a l
view of Fig. ZA, t h e governor device 12 includes: a governor
pulley 12a provided i n an upper p o r t i o n of t h e h o i s t way 1;
a t e n s i o n p u l l e y 12b provided i n a lower p o r t i o n of t h e h o i s t
way 1; and t h e governor rope 11 wound and hung i n an endless
manner between t h e governor p u l l e y 12a and t h e t e n s i o n p u l l e y
12b. The governor rope 11 i n an endless s t a t e is wound and
hung, over t h e governor p u l l e y 12a and t h e t e n s i o n p u l l e y 12b,
on t h e o t h e r s i d e ( t h e c o n t r o l panel s i d e ) of t h e guide r a i l
3b s i d e on t h e cage s i d e . The governor rope 11 on t h e s i d e
of t h e guide r a i l 3b on t h e cage s i d e is coupled with t h e cage
8 v i a a l i f t i n g p a r t (coupling p a r t ) 23 a t a p o r t i o n i n d i c a t e d
by numeral l l a . The portion of t h e governor rope 11 located
on t h e s i d e of t h e guide r a i l 3b on t h e cage s i d e is moved,
by t h e up and down movement of t h e cage 8, via t h e governor
pulley 12a and t h e tension p u l l e y 12b, t o t h e opposite s i d e .
That is, concerning t h e governor rope 11, with respect
t o t h e g o v e r n o r p u l l e y 1 2 a ( f i r s t p u l l e y ) a n d t h e t e n s i o n p u l l e y
12b ( s e c o n d p u l l e y ) , a p o r t i o n hung on one s i d e is coupledwith
t h e cage 8. With r e s p e c t t o t h e governor pulley 12a ( t h e f i r s t
p u l l e y ) and t h e tension p u l l e y 12b ( t h e second p u l l e y ) , t h e
r o l l e r 3 0 i s c o n f i g u r e d s o a s t o p r e s s a p o r t i o n o f t h e governor
r o p e l l h u n g o n t h e o t h e r s i d e a g a i n s t a p o r t i o n o f t h e governor
rope 11 hung on one s i d e .
Hereafter, t h e s i d e ( t h e s i d e of t h e guide r a i l 3b on
t h e cage s i d e ) on which t h e p o r t i o n coupled with t h e cage 8
of the governor rope 11 e x i s t s with r e s p e c t t o t h e governor
pulley 12a and t h e tension p u l l e y 12b is r e f e r r e d t o as a "cage
s i d e ( t h e s i d e of t h e cage 8 ) . "
Next, t h e d i f f e r e n c e from t h e comparative example w i l l
be explained. According t o t h e present embodiment, as shown
i n Figs. 2A and 2B, t h e governor rope 11 on t h e s i d e opposite
t o t h e s i d e coupled with t h e cage 8 is pressed, by t h e r o l l e r
30, toward t h e s i d e coupled with t h e cage 8. The r o l l e r s 30
a r e r o t a t a b l y mounted on an upper p o r t i o n and a lower portion
of the c o n t r o l panel 9. To be s p e c i f i c , t h e r o l l e r 30 is
i n s t a l l e d such t h a t a s h a f t 32 which supports t h e r o l l e r 30
is mounted t o t h e i n s t a l l a t i o n member 31 formed of a channel
s t e e l and such t h a t t h e i n s t a l l a t i o n member 31 is f i x e d t o the
c o n t r o l panel 9. In t h i s case, t h e r o l l e r 30 may be r o t a t a b l y
supported on t h e s h a f t 32. A l t e r n a t i v e l y , t h e s h a f t 32 may
b e r o t a t a b l y s u p p o r t e d o n t h e i n s t a l l a t i o n m e m b e r 3 1 . Moreover,
as shown i n Fig. 2A, i n a d i r e c t i o n i n which t h e c o n t r o l panel
9 and t h e governor device 12 a r e arranged s i d e by s i d e , t h e
r o l l e r 30 is provided so as t o protrude toward a governor rope
1 1 s i d e f r o m a n e n d p o r t i o n o f t h e c o n t r o l p a n e l 9 . As a r e s u l t ,
t h e r o l l e r 3 0 i s c a p a b l e o f p r e s s i n g t h e g o v e r n o r r o p e 1 1 w i t h o u t
allowing it t o be i n contact with t h e c o n t r o l panel 9.
The c o n t r o l panel 9 is disposed i n a space formed when
t h e governor rope 11 is pressed by t h e r o l l e r 30 t o r e t r e a t ,
a n d t h e c o n t r o l p a n e l 9 a n d t h e g o v e r n o r d e v i c e 1 2 areoverlapped
i n a p l a n v i e w . Moreover, t h e g o v e r n o r d e v i c e 1 2 a n d t h e c o n t r o l
panel 9 a r e properly t h i c k t o be put i n a space (gap) between
a s i d e face of t h e cage 8 and t h e h o i s t way wall 2b.
In t h i s way, according t o t h e present embodiment, t h e
c o n t r o l p a n e l 9 i s d i s p o s e d i n t h e s p a c e formedwhenthegovernor
rope 11 i s pressed by t h e r o l l e r s 30 i n s t a l l e d i n t h e upper
and lower p o r t i o n s of t h e c o n t r o l panel 9. A s a r e s u l t , t h e
governor device 12 and t h e c o n t r o l panel 9 can be disposed i n
an overlapped manner i n a plan view. Thus, t h e c o n t r o l panel
can be disposed by ef f e c t i v e l y using a range i n which t h e governor
rope can be wound and hung, and a c r o s s - s e c t i o n a l area of t h e
h o i s t way can be reduced.
In t h i s r e g a r d , w i t h r e f e r e n c e t o Fig. 5, f e a t u r e s of
thepresentembodimentshownin Fig. l w i l l b e explained. Fig.
5 is a plan view of an e l e v a t o r shown as a comparative example
of t h e present invention.
When Fig. 1 and Fig. 5 a r e compared, i n t h e case of Fig.
5, t h e c o n t r o l panel 9 i s spaced from t h e governor rope 11 so
as not t o i n t e r f e r e with t h e governor rope 11, and protrudes
toward a deeper s i d e , i n a plan view, of t h e h o i s t way. On
t h e o t h e r hand, i n Fig. 1, t h e c o n t r o l p a n e l 9 does not protrude
toward t h e deeper s i d e , i n a plan view, of t h e h o i s t way, making
it p o s s i b l e t o shorten t h e depth of t h e h o i s t way 1. Thus,
according t o t h e present embodiment, it becomes p o s s i b l e t o
dispose devices with e f f e c t i v e use of t h e space i n t h e h o i s t
way 1, saving t h e space i n t h e h o i s t way 1.
According t o t h e present embodiment, t h e r o l l e r s 30 a r e
i n s t a l l e d i n t h e upper and lower p o r t i o n s of t h e c o n t r o l panel
9. However, the rollers 30 may be installed in devices other
than the control panel, and such devices may be disposed as
in the case of the control panel 9 of the present embodiment.
Moreover, according to the present embodiment, when the
governor rope 11 is pressed by the rollers 30, the swing of
the governor rope 11 can be reduced.
A second difference is a device configuration of the
swing-preventionmember (displacement constrainingmember) 22
attached to the roller 30 of the displacement constraining
member.
Beforeexplainingthepresentembodiment, withreference
to Fig. 3A, Fig. 3B, and Fig. 4, description will be given to
a swing-prevention member 22 in the swing-prevention device
of the prior art (Japanese Patent Laid-open No. 2003-081557) .
Fig. 3A is a longitudinal cross-section showing a conventional
elevator having an L-shaped steel as a governor rope
swing-prevention member (displacement constraining member).
Fig. 3B is a longitudinal cross-section showing a conventional
elevator having rollers as governor rope swing-prevention
members (displacement constrainingmembers). Fig. 4 showsthe
displacement constrainingmember ofthe conventional elevator
in detail.
The swing-prevention member 22 of Fig. 3A includes the
L-shaped steel provided around the governor rope 11 and
constraining the displacement of one side in a horizontal
direction. The swing-prevention members 22 formed of the
L-shaped steel are fixed to a bracket (not shown) and are disposed
at predetermined intervals along the governor rope on the side
ofthe cage 8. Further, the swing-preventionmember 22 of Fig.
3Bincludes a roller 30 or rollers 30provided, at predetermined
intervals, along the governor rope 11 on the side of the cage
8. As shown in Fig. 4, with respect to the governor rope 11
on the side of the cage 8, the roller 30 is provided on the
opposite side of the cage 8, and suppresses the swing of the
governor rope 11. The above roller 30 has to be fixed by a
bracket (not shown) etc. Thus, according to the conventional
configuration, since the swing-preventionmember 22 ismounted
with use of the bracket etc., the device arrangement is
restricted, and the production cost is raised.
Next, the swing-prevention member 22 of the present
embodiment will be explained. According to the present
embodiment, as shown in Figs. 6A, 6B, and 6C, the
swing-prevention member 22 is fixed to the control panel 9
together with the installationmember 31 formed ofthe channel
steel and the shaft 32 fixed to the installation member 31.
Now, the swing-prevention member 22 of the present
embodiment will be described in detail. The swing-prevention
member 22 is formed of a member whose shape is similar to that
of the channel steel configuring the installation member 31.
That is, as shown in Fig. 6C, the swing-prevention member 22
includes: two flange portions 22a and 22b and a coupling part
22cforcouplingthe flangeportions 22awiththe flangeportion
22b. The two flange portions 22a and 22b are parallel to each
other. Also, the two flange portions 22a and 22b are
5 perpendicular to the coupling part 22c. The two flange portions
22a and 22b are installed in parallel to flange portions 31a
and 31b of the channel steel which configures the installation
member 31. At this time, the coupling part 22c of the
swing-preventionmember 22 is perpendicular to a coupling part
10 31cwhichcouplesthe flangeportion31awiththe flangeportion
31b ofthe installationmember 31, and is parallel tothe shaft
32. The coupling part 22c may fix the installation member 31
so that a gap between the outer circumferential portion of the
roller 30 and the internal surface of the coupling part 22c
15 may become smaller than a diameter of the governor rope 11.
Accordingly, the governor rope 11 can be held in a groove of
the roller 30 stably. As in the case ofthe installationmember
31, the swing-prevention member 22 can be formed of a channel
steel. Some channel steel has a tapered portion inside the
20 flange portion. Even such a channel steel can be used as the
installation member 31 or the swing-prevention member 22 if
amemberabsorbingthetaperisprovidedoradditionalprocessing
is applied to the taper. Alternatively, the installation
member 31 may be formed of an angle steel whose cross section
25 is in the shape of L or a member similar to the angle steel.
As shown in Fig. 6B, when the governor rope 11 is pressed
by the roller 30, the governor rope 11 comes into contact with
an inner circumferential surface of the roller 30 on one side
of the rope swing in a horizontal direction. At this time,
when the roller 30 functions as a displacement constraining
memberofthegovernorrope11,thedisplacementofthegovernor
rope 11 can be constrained considerably. Furthermore, when
the governor rope 11 swings toward the side opposite to the
roller 30, displacement of the governor rope 11 can be
constrained by the swing-prevention member 22 installed in
parallel to the installation member 31 formed of the channel
steel. Thus, even when the governor rope 11 swings to both
sides, the swing can be suppressed. Further, it becomes
possible to prevent the governor rope 11 from coming off the
groove of the roller 30 and being caught in other devices.
As a result, even when a building is swayed by a strong
wind or an earthquake, displacement of the governor rope is
minimized, preventing malfunction of the governor device 12
or the devices in the hoist way being caught. Moreover, in
the prior art, the roller 30 is fixed with the bracket. However,
according to the present embodiment, the bracket is also
unnecessary, simplifying the configuration and reducing the
production cost.
In addition, in the prior art, the shaft for the roller
30 and the configuration for supporting the shaft are not
described. However, i n t h e p r i o r a r t a l s o , t h e r e must e x i s t
a s h a f t of t h e r o l l e r 30 and a member f o r supporting t h e s h a f t
and f i x i n g t h e r o l l e r 30 t o t h e bracket. For t h i s reason, it
is construed t h a t t h e r o l l e r 30, t h e i n s t a l l a t i o n member 31,
5 and t h e s h a f t 32 of t h e present embodiment correspond t o t h e
r o l l e r 30 i n t h e p r i o r a r t . The r o l l e r 30, t h e i n s t a l l a t i o n
member 31, and t h e s h a f t 32 a s a whole w i l l be r e f e r r e d t o as
a r o l l e r device ( o r a r o l l e r p a r t ) . In t h i s case, t h e r o l l e r
deviceofthepresentembodimentismountedtothecontrolpanel
10 9. Moreover, t h e swing-prevention member 22 is mounted t o t h e
r o l l e r device.
According t o t h e above s t r u c t u r e , i n a plan view i n Fig.
1, t h e c o n t r o l p a n e l 9 a n d t h e g o v e r n o r d e v i c e 1 2 canbedisposed
i n an overlapped manner. P a r t i c u l a r l y , i n a plan view of Fig.
15 1, t h e c o n t r o l panel 9 is disposed, overlapping a suspension
range of t h e governor rope 11. As a r e s u l t , i n t h e depth
d i r e c t i o n D, it is p o s s i b l e t o prevent t h e c o n t r o l panel 9 from
g e t t i n g over a back surface p o s i t i o n of t h e cage 8 t o e n t e r
a space l a between t h e back surface of t h e cage 8 and t h e wall
20 2c of t h e h o i s t way 1. A l t e r n a t i v e l y , a d i s t a n c e of j u t t i n g
i n t o t h e space l a can be reduced. Therefore, t h e d i s t a n c e i n
t h e depth d i r e c t i o n of t h e space l a can be reduced, minimizing
t h e c r o s s - s e c t i o n a l area of t h e h o i s t way 1.
Moreover, by f i x i n g t h e swing-prevention member 22 t o
25 t h e r o l l e r device which has t h e r o l l e r 30, even when a building
is swayed by a strong wind or an earthquake, displacement of
the governor rope 11 is minimized. According to this structure,
it is possible to avoid the malfunction of the governor device
1 2 o r t o p r e v e n t t h e g o v e r n o r r o p e fromgettingcaughtindevices
in the hoist way. Moreover, the bracket for mounting the
swing-prevention member 22 is also unnecessary, reducing the
cost of materials and installation work.
Thus, according to the present embodiment, since the
devices are disposed with effective use of the space in the
hoist way 1, the cross-sectional area of the hoist way can be
reduced. Further, by mounting the swing-preventionmember 22
to the roller device having the roller 30, it is possible to
obtain a highly reliable elevator capable of preventing the
swing of the governor rope 11.
Second Embodiment
Next, with reference to Figs. 7Aand 7B, a secondembodiment
according to the present invention will be described. Fig.
7Aisalongitudinalcross-sectionshowingthesecondembodiment
according to the present invention. Fig. 7B shows a view in
which a control panel 9 of Fig. 7A is seen from a direction
of arrow VIIB. Further, in Fig. 7A, in order to simplify the
explanation, a positional relationship of the cage 8, the
governor device 12, and the control panel 9 is altered. Acorrect
positional relationship can be obtained by referring to Fig.
1.
In p a r t i c u l a r , a s shown i n Fig. 7B, t h e r o l l e r 30 mounted
t o the c o n t r o l panel 9 is disposed so as t o be protruding more
than a t h i c k n e s s of t h e c o n t r o l panel 9. This is because it
is necessarytocarryoutinstallationbyshiftingtheposition
of t h e c o n t r o l panel 9 according t o t h e h o i s t way 1. A f i x i n g
r e c t a n g u l a r p l a t e 33 is attached t o t h e c o n t r o l panel 9 and
t h e i n s t a l l a t i o n member 31 of t h e r o l l e r 30 is f i x e d t o t h e
f i x i n g r e c t a n g u l a r p l a t e 33 so t h a t t h e governor rope 11 may
be pressed even when t h e p o s i t i o n of t h e c o n t r o l panel 9 is
s h i f t e d . By providing t h e f i x i n g r e c t a n g u l a r p l a t e 33 as the
fixingmember, t h e r o l l e r 30 canbe freelymovedinahorizontal
thickness d i r e c t i o n L t of t h e c o n t r o l panel 9. Device
configuration and t h e l i k e except f o r t h e configuration o f t h e
f i x i n g r e c t a n g u l a r p l a t e 33 a r e s i m i l a r t o those i n the f i r s t
embodiment.
Third Embodiment
Next, w i t h r e f e r e n c e t o F i g s . 8Aand8B, athirdembodiment
according t o t h e present invention w i l l be described. Fig.
8 A i s a l o n g i t u d i n a l cross-section showingthethirdembodiment
according t o t h e present invention. Fig. 8B shows a view i n
which a c o n t r o l panel 9 of Fig. 8A is seen from a d i r e c t i o n
of arrow V I I I B . Also, i n Fig. 8A, i n order t o simplify t h e
explanation, a p o s i t i o n a l r e l a t i o n s h i p of t h e cage 8, the
governor device 12, and t h e c o n t r o l panel 9 i s a l t e r e d . Acorrect
p o s i t i o n a l r e l a t i o n s h i p can be obtained by r e f e r r i n g t o Fig.
1.
There is adopted a u n i t a r y device configuration i n which
a s m a l l - s i z e device ( r o t a t i o n d e t e c t o r ) 34 is mounted on t h e
r o l l e r 30 attached t o t h e c o n t r o l panel 9. The configurations
shown i n Figs. 8A and 8B a r e s i m i l a r t o those i n t h e f i r s t and
secondembodiments except t h a t t h e s m a l l - s i z e d e v i c e ( r o t a t i o n
d e t e c t o r ) 34 is mounted on t h e r o l l e r 30.
Figs. 8A and 8B a r e d i f f e r e n t from Figs. 6A, 6B, and 6C
i n t h e shape of t h e swing-prevention member 24 attached t o t h e
r o l l e r 30 and i n t h a t t h e r o t a t i o n d e t e c t o r s 34 f o r d e t e c t i n g
t h e r o t a t i o n a l s p e e d o f t h e r o l l e r s 30 aremounted on t h e upper
and lower r o l l e r s 30. The swing-prevention member 24 has a
b r a c k e t s t r u c t u r e h a v i n g , forexample, anL-shapedcrosssection.
The swing-preventionmember24 i s f i x e d t o t h e s h a f t 3 2 coupling
t h e r o l l e r 3 O w i t h t h e r o t a t i o n d e t e c t o r 3 4 . That is, t h e r o l l e r
30 is supported on t h e s h a f t 32 i n a c a n t i l e v e r e d manner. The
shape of t h e swing-prevention member 24 may be such t h a t it
prevents t h e governor rope 11 from protruding from an outer
p e r i p h e r a l s u r f a c e of t h e r o l l e r 30. Since t h e r o t a t i o n
d e t e c t o r 34 needs e l e c t r i c power ( v o l t a g e , c u r r e n t , e t c . ) , it
r e c e i v e s electric power from t h e c o n t r o l panel 9. In t h i s regard,
s i n c e t h e r e is t h e c o n t r o l panel 9 capable of supplying
e l e c t r i c i t y i n t h e neighborhood, a wiring 35 can be a s h o r t
one. Moreover, t h e r o t a t i o n d e t e c t o r 34 d e t e c t s t h e r o t a t i o n a l
speed of t h e r o l l e r 30. Therefore, t h e speed of t h e governor
rope 11 can be detected based on t h e v a r i a t i o n i n voltage. Since
an abnormal speed can be detected through e l e c t r i c s i g n a l s ,
an encoder (not shown) f o r t h e governor becomes unnecessary.
Moreover, s i n c e t h e d i s t a n c e of movement can be learned on the
b a s i s of t h e speed, t h e p o s i t i o n of t h e cage 8 can be grasped.
In a d d i t i o n , u s u a l l y , f o r preventing t h e c o n t r o l panel 9 from
being submerged, t h e c o n t r o l panel 9 is disposed a t a p o s i t i o n
above a l e v e l w h e r e p a s s e n g e r s get on t h e e l e v a t o r o n t h e lowest
f l o o r . For t h i s reason, when a lower p i t of t h e h o i s t way is
submerged, t h e r o t a t i o n d e t e c t o r 34 canbepreventedfrombeing
damaged by being covered w i t h w a t e r .
The r o t a t i o n d e t e c t o r 34 may be mounted t o one of t h e
r o l l e r s 30 i n s t a l l e d i n t h e upper and lower p o r t i o n s of t h e
c o n t r o l panel 9. The r o l l e r 30 on t h e s i d e where t h e r o t a t i o n
d e t e c t o r 34 is notprovidedmaybemountedtothe c o n t r o l panel
9 as i n t h e f i r s t or second embodiment. When t h e r o l l e r 30
is provided protruding from t h e c o n t r o l panel 9 i n a thickness
d i r e c t i o n o f t h e c o n t r o l p a n e l 9 , t h e i n s t a l l a t i o n i s p r e f e r a b l y
c a r r i e d out a s i n t h e second embodiment.
In order t o allow t h e r o l l e r 30 t o protrude from t h e c o n t r o l
panel 9 i n t h e t h i c k n e s s d i r e c t i o n L t of t h e c o n t r o l panel 9
and t o vary t h e amount of p r o t r u s i o n , with use of t h e f i x i n g
rectangular p l a t e 33 described i n t h e second embodiment, the
r o t a t i o n d e t e c t o r 3 4 a n d t h e r o l l e r 3 0 a r e m o u n t e d t o t h e c o n t r o l
panel 9. The r o l l e r 30 with t h e r o t a t i o n d e t e c t o r 34 of t h e
present embodiment is mounted t o t h e c o n t r o l panel 9 and, as
i n t h e f i r s t embodiment, t h e governor rope 11 is pressed by
t h e r o l l e r 30. The c o n t r o l panel 9 is provided i n t h e space
f o r m e d b y p r e s s i n g t h e governor rope 1 1 t o r e t r e a t . According
5 t o t h i s s t r u c t u r e , an o v e r a l l depth of t h e h o i s t way 1 i n a
plan view is reduced, and t h e space f o r arranging t h e devices
i n s i d e t h e h o i s t way 1 can be minimized. Furthermore, by
mounting t h e swing-prevention member 24 t o t h e r o l l e r device
having t h e r o l l e r s 30, t h e governor rope 11 can be prevented
10 fromswinging. Althoughashapeoftheswing-preventionmember
24 d i f f e r s from t h e ones i n t h e f i r s t and second embodiments,
t h e p o s i t i o n a l r e l a t i o n s h i p with t h e r o l l e r 30, f u n c t i o n s , and
e f f e c t s a r e s i m i l a r t o those i n t h e f i r s t embodiment.
E a c h o f t h e embodiments d e s c r i b e d a b o v e h a s t h e following
15 configuration and e f f e c t s .
There is provided a r o l l e r i n a c o n t r o l panel of an e l e v a t o r
disposed near a governor rope coupled with a cage, moving up
and down i n synchronism with t h e cage, and extended i n an endless
mannerinahoistway, t h e r o l l e r p r e s s i n g t h e e x t e n d e d g o v e r n o r
20 rope. The c o n t r o l panel i s provided i n a space formed by t h e
r e t r e a t of t h e governor rope pressed by t h e r o l l e r .
In t h i s regard, as swing-preventionmeans f o r t h e governor
rope a t t h e time of an earthquake or a strong wind, a governor
rope swing-prevention member may be mounted t o t h e r o l l e r f o r
25 pressing t h e governor rope.
According to the above structure, the control panel can
be disposed in the space formed by pressing the governor rope
to retreat. As a result, a dimension, in a plan view, in the
width direction necessary for installing the control panel is
5 reduced to minimize the cross-section area of the hoist way.
At the same time, even when the governor rope swings during
the earthquake or the strongwindetc., since the governor rope
is pressed by the roller, the swing of the governor rope is
reduced or prevented. Further, since the swing-prevention
10 member ismounted to the roller, when the governor rope is pressed
by the roller to swing to the opposite side of the roller, it
becomespossibletoconstraindisplacementofthegovernorrope
to reduce or prevent the swing of the governor rope.
The present invention is not limited to the embodiments
15 described above but includes various modifications. For
example, the above embodiments have been described in detail
to explain the invention in an easily comprehensible manner
and are not necessarily limited to those having all the
configurations explained above. Part ofthe configuration of
20 eachembodimentcanbereplacedwiththeconfigurationofanother
embodiment, and the configuration of another embodiment can
be added to the configuration of a certain embodiment.
Furthermore, part of the configuration of each embodiment can
be deleted, or added to, or replaced with, the configuration
25 of another embodiment.

1
1 9 NOV 2013 1
2 3 ; , f-- :
0 ' % I M
WHAT IS CLAIMED IS: oRlsl!@.".-
1. A machine room-less e l e v a t o r , comprising:
a governor rope coupled with a cage, moving up and down
i n synchronismwiththe cage, andextended i n anendlessmanner
5 i n a h o i s t way; and
a c o n t r o l panel provided i n t h e h o i s t way and disposed
near t h e governor rope,
wherein a r o l l e r is mounted t o t h e c o n t r o l panel; and
wherein t h e c o n t r o l panel is disposed i n a space formed
10 when t h e governor rope i s pressed by t h e r o l l e r t o r e t r e a t .
2. A machine room-less e l e v a t o r according t o claim 1,
wherein t h e r o l l e r s a r e provided i n upper and lower
p o r t i o n s of t h e c o n t r o l panel and protrude from t h e c o n t r o l
panel toward t h e governor rope.
15 3. A machine room-less e l e v a t o r according t o claim 1
or claim 2,
wherein a f i r s t p u l l e y is provided i n an upper portion
of the h o i s t way and a second pulley is provided i n a lower
portion of t h e h o i s t way;
20 wherein t h e governor rope i s coupled with t h e cage on
one s i d e with r e s p e c t t o t h e f i r s t p u l l e y a n d t h e secondpulley;
and
wherein, with r e s p e c t t o t h e f i r s t p u l l e y and t h e second
pulley, t h e r o l l e r presses t h e governor rope on t h e o t h e r s i d e
25 toward t h e governor rope on t h e one s i d e .
4. A machine room-less elevator according to any one
of claims 1 to 3,
whereinaswing-preventionmemberisprovidedina roller
part having the roller.
5. A machine room-less elevator according to any one
of claims 1 to 4,
wherein a fixing rectangular plate is provided which
installs the roller in a protruding manner from the control
panel in a thickness direction of the control panel.
10 6. A machine room-less elevator according to any one
of claims 1 to 5,
wherein a rotation detector is provided for detecting
rotational speed of the roller.
7 . A machine room-less elevator, substantially as
15 herein described with reference to accompanying drawings and
examples.
Dated this 2gth day of November 2013
%* Of Anand and and Advocates
Agent for the Applicant