Technical field
[0001]The present invention relates to an elevator having a car which moves up and down the provided building structure hoistway.
BACKGROUND
[0002]Conventionally, elevator includes a car, a counterweight, a main rope that is applied to pulley provided on the car and the counterweight, the main rope wound is hoist, the. In addition, pass twice hooking the main rope to the car and the counterweight 4: 1 elevator roping system is known.
[0003]
　Conventional, 4: The elevator 1 roping method, for example, those as described in Patent Document 1. In Patent Document 1, the drive unit and the first deflection roller is arranged on the carrier. Furthermore, Patent Document 1, a first cable fixing point and the second cable fixing point is described to be arranged in the carrier.
[0004]
　Also, conventional, 4: 1 Another example of elevator roping method, for example, those as described in Patent Document 2. In Patent Document 2, in an upper portion of the hoistway, it is described that the car side return pulley device, and the counterweight-side return pulley device is arranged. Then, a portion extending from the first car suspending pulley device main rope body to the first end portion, and the portion extending to the second car suspension sheave system from the traction sheave of the main rope body, in a vertical projection plane it is described that are arranged opposite to each other with respect to the width direction central portion of the cage.
CITATION
Patent Document
[0005]
Patent Document 1: JP 2005-263490 Patent Publication
Patent Document 2: WO 2003/064309
Summary of the Invention
Problems that the Invention is to Solve
[0006]
　However, in the technology described in Patent Documents 1 and 2 were arranged overhanging above the elevation direction in the car hoist ride. For this reason, it is impossible to move up and down the car to the vicinity of the hoisting machine, the replacement of the maintenance work and parts has been a thing very complicated.
[0007]
　Further, in the technique disclosed in Patent Document 1, the first deflecting roller showing the weight-side-back pulley it was installed at the same height as the hoist. Therefore, in order to perform the replacement operation of maintenance and parts, it is necessary to arrange the position of the first deflection roller and the hoisting machine is shifted in the horizontal direction. As a result, in the technique described in Patent Document 1, with the length of the carrier supporting the hoisting machine and the first deflecting roller is increased, the size of the hoistway is increased, there is a fear that.
[0008]
　This object is in view of the above problems, and prevent the dimensions of the hoistway is increased, and to provide a lift which can be easily carried out replacement of maintenance and parts.
Means for Solving the Problems
[0009]
　To solve the above problems and achieve an object, elevator, a hoisting machine having a sheave, a machine beam, and the main rope, and the car, and the counterweight, and the car-side-back pulley, weight side flashing It is provided with a pulley, a. Machine beam, to support the hoist. The main rope is wound around the sheave. The main rope, the second rope end which is the other end portion of the first rope end and axially, which is one end portion in the axial direction is fixed to the machine beam. Car has a plurality of cage-side pulley main rope is applied, the hoistway moves up and down. Counterweight has a first weight side pulley and the second weight pulley main rope is multiplied. Car-side barbs pulley, in between the car and the machine beam placed on the opposite side, the main ropes is applied. Weight side barbs pulley is installed on the machine beam, a main rope that is wound on the first weight side pulley and the second weight pulley is applied. Machine beam is placed between the wall of the cage in the horizontal direction hoistway. The hoisting machine is fixed to the upper surface of the lifting direction of the machine beam, weight side flashing pulley is installed on the lower surface portion of the lifting direction of the machine beams.
The invention's effect
[0010]
　According to the elevator configured as described above, to suppress the size of the hoistway is increased, and the replacement of maintenance work and parts can be easily performed.
BRIEF DESCRIPTION OF THE DRAWINGS
[0011]
FIG. 1 is a schematic diagram showing an elevator according to an exemplary embodiment.
FIG. 2 is a side view showing the counterweight side arrangement in an elevator according to an exemplary embodiment.
3 is a side view showing such elevator and car-side configuration to an exemplary embodiment.
4 is a plan view of the elevator according to an exemplary embodiment.
DESCRIPTION OF THE INVENTION
[0012]
　Hereinafter, the elevator according to an exemplary embodiment will be described with reference to FIGS. Note that the common member in each figure are denoted by the same reference numerals.
[0013]
1. Configuration Example of elevator
　First, exemplary embodiments (hereinafter, referred to as. "The present embodiment") will lift the structure according to the will be described with reference to FIGS.
　Figure 1 is a schematic diagram showing the elevator arrangement of the present embodiment. Figure 2 is a side view showing the counterweight side configuration of the elevator of this embodiment, FIG. 3 is a side view showing the structure of the car side of the elevator of this embodiment. 4 is a plan view showing the elevator of this embodiment.
[0014]
　Elevator 1 1 the cage a hoistway 110 of one formed in the building structure in is elevators operating lift. Further, elevator 1 shown in FIG. 1, 4: elevator 1 roping method.
[0015]
　As shown in FIGS. 1 and 2, the elevator 1 includes a cage 120 which put people and luggage, and counterweight 140, a main rope 130, a car-side-back pulley 13, a weight-side-back pulley 14, the winding and a hoist 100. Further, as shown in FIGS. 2 and 3, elevator 1 includes a machine beam 150 installed on the top of the hoistway 110, two 2 Tsunokago side guide rails 160A, and 160B, 2 Tsunoomori side guide rails 170A , has a 170B, a.
[0016]
[Cage]
　cab 120 is formed in a hollow substantially rectangular parallelepiped shape. As shown in FIG. 4, on one surface of the car 120, an opening is provided. The car 120, car-side door 121 for closing the opening to be opened and closed is provided. Further, the car-side door 121 of the car 120 is opposed to the entrance 201 is provided to the building structure. The doorway 201, the building-side door 202 is mounted to be opened and closed.
[0017]
　Here, orthogonal to the elevating direction of the car 120, and car-side door 121 and the building-side door 202 is a direction orthogonal with a direction opposite to the first direction X. Also, orthogonal to the elevating direction of the car 120, and the first direction X with a direction perpendicular, i.e. a direction forming an parallel to the direction in which the car-side door 121 and the building-side door 202 facing the second direction Y .
[0018]
　On both sides of the first direction X of the car 120, cage-side guide rails 160A, 160B are arranged. Here, 2 Tsunokago side guide rails 160A, the line connecting along 160B in the first direction X and the guide line 160C.
[0019]
　As shown in FIGS. 2 and 3, cage-side guide rails 160A, 160B is erected along the lifting direction in the hoistway 110. Car 120, cage-side guide rails 160A, it is slidably supported on the 160B. Then, the car 120A is cage-side guide rails 160A, moves the elevating direction along 160B.
[0020]
　As shown in FIG. 3, the upper portion of the elevating direction of the car 120, the work frame 123 is installed. Further, at the lower part of the lifting direction of the car 120, the first car-side pulley 15, the second car-side pulley 16, a third car-side pulley 17, a fourth cage pulley 18 is rotatably provided there. The first car-side pulley 15, the second car-side pulley 16, the axial direction of the third car-side pulley 17 and the fourth car-side pulley 18 is arranged parallel to the second direction Y.
[0021]
　The first car-side pulley 15 third car-side pulley 17 is disposed at one end of the first direction X of the car 120, the second car-side pulley 16 fourth car pulley 18, the car 120 It is disposed at the other end of the first direction X. The first car-side pulley 15 third car-side pulley 17 is opposed to the second direction Y, the second car-side pulley 16 fourth car-side pulley 18 is opposed to the second direction Y.
[0022]
　Further, the first car-side pulley 15 and the second car-side pulley 16 is arranged to face in a first direction X in between the car 120. Further, a third car-side pulley 17 fourth car-side pulley 18 is disposed so as to face in a first direction X in between the car 120.
[0023]
　Further, the distance t1 in the second direction Y between the first car-side pulley 15 to the guide line 160C of the second car-side pulley 16, the third car-side pulley 17 to the guide line 160C of the third car-side pulley 18 distance t2 in the second direction Y is set to the same length. Thus, the car 120 2 Tsunokago side guide rails 160A, and 160B, the first car-side pulley 15, the second car-side pulley 16, supporting a good balance for the third car-side pulley 17 and the fourth car pulley 18 be able to.
[0024]
　Further, at one side of the first direction X of the car 120, machine beam 150 is arranged, on the other side of the first direction X of the car 120, it is arranged a car-side-back pulley 13 there. Machine beam 150 and the car-side flashing pulley 13 is installed on top of the elevator direction of the hoistway 110.
[0025]
　Car-side barbs pulley 13 is disposed between the wall surface 111 of the hoistway 110 of the car 120 at the top of the hoistway 110. Car-side barbs pulley 13 above the elevation direction, is disposed between the second car-side pulley 16 of the fourth car pulley 18. Further, the axial direction of the car side barbs pulley 13 is parallel to the first direction X.
[0026]
Machine Beam
　machine beam 150 is disposed between the wall surface 111 of the hoistway 110 of the car 120 at the top of the hoistway 110. Therefore, machine beam 150 is disposed on the outer side of the first direction X and second direction Y in the lifting direction of the car 120. The machine beam 150, the hoisting machine 100, weight-side-back pulley 14 is installed. Furthermore, the machine beam 150, a first rope end 11 which is one end portion in the axial direction of the main rope 130, a second rope end 12 is fixed, which is the other end portion in the axial direction of the main rope 130.
[0027]
[Hoist]
　As shown in FIGS. 2 and 3, the hoisting machine 100 is supported on the upper surface 150a of the machine beams 150, weight-side flashing pulley 14 is rotatably to the lower surface 150b of the machine beams 150 It is supported. Axial weight side barbs pulley 14 is parallel to the first direction X. Thus, the hoisting machine 100, maintenance and the weight-side-back pulley 14, can be prevented from hindering the replacement for weight side flashing pulley 14, the replacement of maintenance work and parts It can be carried out.
[0028]
　As shown in FIGS. 2 and 4, the hoisting machine 100 are disposed cage 120 side in the machine beam 150, i.e. the other end of the first direction X. Then, the weight-side flashing pulley 14 is disposed wall 111 side of the elevator shaft 110 in the machine beam 150, i.e. at one end of the first direction X.
[0029]
　Hoist 100 includes a sheave 101 that the main rope 130 is wound. Axial sheave 101 is arranged parallel to the first direction X. The hoist 100 is fixed sheave 101 car 120 side is opposite to the wall surface 111 of the hoistway 110, i.e. the machine beam 150 toward the other side in the first direction X.
[0030]
　Further, the sheave 101 is arranged to cage 120 a side of the first direction X than the car side guide rails 160A for slidably supporting, i.e. the wall surface 111 side of the elevator shaft 110. That is, it is possible to prevent interference with the cage 120 ride is sheave 101. As a result, it is possible to raise the car 120 to the vicinity of the hoisting machine 100. The replacement of the maintenance and inspection work and parts of the hoisting machine 100 can be easily performed. Furthermore, since it is possible to raise the car 120 to the vicinity of the hoisting machine 100, it is possible to suppress the dimension from the hoisting machine 100 to the ceiling portion of the hoistway 110 increases.
[0031]
　The first rope end 11 is disposed at one end of the second direction Y in the machine beam 150, the second rope end 12 is disposed at the other end in the second direction Y in the machine beam 150 . Therefore, the hoisting machine 100 and the weight-side-back pulley 14 is disposed between the first rope end 11 of the second rope end 12.
[0032]
　Furthermore, the first rope end 11 and a second rope end 12, similarly to the hoist 100 is disposed cage 120 side, that the other end of the first direction X in the machine beam 150. Further, the distance h3 to the car 120 in the first direction X in the first rope end 11, spacing h4 to car 120 in the first direction X in the second rope end 12, is set equal to there.
[0033]
　Thus, the first rope end 11, a second rope end 12 and the hoisting machine 100 can be brought close to the cage 120 take the can exchange work readily maintenance work and parts from the cage 120.
[0034]
　As described above, in the elevator 1 in the present embodiment, the first rope end 11, a second rope end 12 and the weight-side-back pulley 14, they are arranged together on a machine beam 150 hoist 100 is fixed. Hoist 100, the first rope end 11, can be performed collectively replacement of maintenance and inspection work and equipment of the second rope end 12 and the weight-side-back pulley 14.
[0035]
　The main rope 130 hanging from the first rope end 11 is subjected to a first weight side pulley 21 provided on the counterweight 140.
[0036]
[Counterweight]
　counterweight 140 is located on one side of the first direction X of the car 120. Counterweight 140, 2 Tsunoomori side guide rails 170A, it is slidably supported on the 170B. 2 Tsunoomori side guide rails 170A, 170B are disposed on both sides in the second direction Y of the counterweight 140. Here, 2 Tsunoomori side guide rails 170A, the line connecting along 170B in the second direction Y and the guide line 170C.
[0037]
　2 Tsunoomori side guide rails 170A, 170B is erected along the lifting direction in the hoistway 110. Thus, the counterweight 140, weight side guide rails 170A, moves the elevating direction along 170B.
[0038]
　Furthermore, counterweight 140 includes a first weight side pulley 21 and the second weight pulley 22. A first weight side pulley 21 and the second weight pulley 22 is rotatably supported on the upper portion of the lifting direction of the counterweight 140. The first weight side pulley 21 is disposed on the other end portion of the second direction Y of the counterweight 140, second weight side pulley 22 is disposed at one end of the second direction Y of the counterweight 14 ing.
[0039]
　Further, as shown in FIG. 4, the axis 21c and the axis 22c of the second weight pulley 22 of the first weight pulley 21, to the first direction X and second direction Y and guide wire 170C inclined to be disposed. Further, the axis 21c and the axis 22c of the second weight pulley 22 of the first weight pulley 21 are arranged parallel to one another.
[0040]
　The guide wire 170C passes through the axis 21c and the axis 22c of the second weight pulley 22 of the first weight pulley 21. Thus, the counterweight 140 2 Tsunoomori side guide rails 170A, and 170B, can be supported with good balance in the first weight side pulley 21 and the second weight pulley 22.
[0041]
2. Over order of the main ropes
　will now be described over the order of the main ropes 130.
　The first rope end 11 of the main ropes 130 are drooped toward the machine beam 150 below the lifting direction. The main rope 130 hanging down from the machine beam 150 is subjected to a third car-side pulley 17. The main rope 130 applied to the third car-side pulley 17, it passes below the lifting direction of the car 120 along the first direction X, is subjected to a 4 car-side pulley 18.
[0042]
　The main rope 130 applied to the fourth car-side pulley 18, to rise along the elevation direction, it is subjected to the car-side-back pulley 13. The main rope 130 is suspended along the basket side flashing pulley 13 in the elevator direction, subjected to the second car-side pulley 16, passes through the lifting direction below the car 120 along the first direction X, the It applied to 1 car-side pulley 15.
[0043]
　The main rope 130 placed to the first car pulley 15, to rise along the elevation direction, is wound on the sheave 101 of the hoisting machine 100. The main rope 130 wound on the sheave 101, suspended along the elevation direction, is subjected to a second weight pulley 22 of the counterweight 140. The main rope 130 is raised along the elevating direction from the second weight pulley 22 is subjected to the weight-side-back pulley 14.
[0044]
　The main rope 130 hung on weight side flashing pulley 14 is suspended along the elevation direction, it is subjected to a first weight side pulley 21 of the counterweight 140. The main rope 130 placed to the first weight pulley rises along the lift direction, the second rope end 12 which is the other end portion is fixed to the machine beam 150. Thus, by hoisting machine 100 is driven, the car 120 and the counterweight 140 move in the elevator direction.
[0045]
3. Detailed positional relationship of the pulley
　will be described in detail the positional relationship between the pulleys of the elevator 1 having the configuration described above. Here, the end portion where the main ropes 130 hung at each pulley and out referred to as the first outlet and out portion and the second outlet and out section. First deriving join the club and the second derivation join the club is located at both ends of the radial direction of the respective pulleys.
[0046]
　Second derivation join the club 22b of the first derivation join the club 21a and second weight pulley 22 of the first weight side pulley 21 is positioned close to the cage 120 ride than the wall surface 111 of the hoistway 110 in a first direction X ing.
[0047]
　Further, the second derivation join the club 22b of the first derivation join the club 21a and second weight pulley 22 of the first weight pulley 21, 2 Tsunoomori side guide rails 170A, than the guide line 170C of 170B, the first direction X They are arranged close to the car 120 in. The first derivation join the club 21a of the first weight side pulley 21 is arranged to the lifting direction below the second rope end 12. Therefore, the second rope end 12 a counterweight-side guide rails 170A, it can be brought close to the cage 120 ride than 170B, the replacement of maintenance work and parts can be easily performed.
[0048]
　As described above, the distance h3 to the car 120 in the first direction X in the first rope end 11, spacing h4 to car 120 in the first direction X in the second rope end 12 is equal It has been set. Therefore, the first rope end 11 also counterweight-side guide rails 170A, can be brought close to the cage 120 ride than 170B, the replacement of maintenance work and parts can be easily performed.
[0049]
　Furthermore, by close to cage 120 take the second rope end 12, it is possible to shorten the interval t3 in the second direction Y from the second rope end 12 to the wall surface 111. As a result, it is possible to suppress the size of the hoistway 110 increases.
[0050]
　The first weight side pulley 21 and the second weight side pulley 22, the axis 21c, 22c are disposed inclined to the first direction X and second direction Y and guide wire 170C . Thereby, the first weight side pulley 21 and the axis 21c of the second weight pulley 22, 22c and than when arranged parallel to the second direction Y, the car 120 and the first on the wall surface 111 of the hoistway 110 it is possible to shorten the distance h1 in the direction X.
[0051]
　Furthermore, the first derivation join the club 22a of the second derivation join the club 21b and the second weight pulley 22 of the first weight pulley 21, 2 Tsunoomori side guide rails 170A, than the guide line 170C of 170B, the first direction X It is arranged close to the wall 111 at. Therefore, 2 Tsunoomori side guide rails 170A, it is possible to shorten the interval 170B, the first direction X in the counterweight 140 length h2, it can be increased.
[0052]
　Further, 2 Tsunoomori side guide rails 170A, by reference to the 170B, can readily determine the first weight pulley 21 the position and inclination of the second weight pulley 22.
[0053]
　Above the lifting direction of the second derivation join the club 21b of the first weight side pulley 21, the first derivation join the club 14a of Orimo side barbs pulley 14 is disposed. Above the lifting direction of the first derivation join the club 22a of the second weight side pulley 22, the second derivation join the club 14b of the weight-side-back pulley 14 is disposed.
[0054]
　As described above, by disposing inclined first weight side pulley 21 and the axis 21c of the second weight pulley 22, and 22c to the first direction X and second direction Y, the weight-side flashing the cage 120 take the pulley 14 can be brought closer in the first direction X. Thus, it is possible to perform the replacement work of maintenance and inspection work and parts weight side flashing pulley 14 easily.
[0055]
　Further, as shown in FIGS. 2 and 4, it is possible to arrange the counterweight side barbs pulley 14 below the elevator direction of the hoisting machine 100 in the machine beam 150. As a result, it is possible to suppress it is possible to shorten the length in the second direction Y in the machine beam 150, the dimensions of the hoistway 110 to the machine beam 150 is installed increases.
[0056]
　Further, above the lifting direction of the second derivation join the club 22b of the second weight side pulley 22, the first derivation join the club 101a sheave 101 of the hoisting machine 100 are disposed. Below the lifting direction of the second derivation join the club 101b sheave 101, the first derivation join the club 15a of the first car-side pulley 15 is arranged. A second derivation join the club 15b of the first car-side pulley 15, the first derivation join the club 16a of the second car-side pulley 16 is opposed to the first direction X.
[0057]
　Above the lifting direction of the second derivation join the club 16b of the second car-side pulley 16, the first derivation join the club 13a of the car-side-back pulley 13 is arranged, of the second derivation join the club 13b of the car-side-back pulley 13 of the elevating direction below, first derivation join the club 18a of the fourth car-side pulley 18 is arranged. The second derivation join the club 18b of the fourth car-side pulley 18 is opposed to the first outlet join the club 17a and the first direction X of the third car pulley 17. Above the lifting direction of the second derivation join the club 17b of the third car-side pulley 17, the first rope end 11 is disposed.
[0058]
　Second derivation join the club 17b of the first derivation join the club 15a and the third cage pulley 17 of the first car-side pulley 15 is opposed to the second direction Y. Therefore, the distance h5 in the first direction X from the second derivation join the club 101b sheave 101 of the hoisting machine 100 until the cage 120, in the first direction X to the cage 120 in the first rope end 11 it can be made substantially equal to the distance h3 of. This makes it possible to substantially equal the distance to the car 120 in the sheave 101, the first rope end 11 and a second rope end 12 of the hoisting machine 100. As a result, the hoisting machine 100 from the cage 120, the work for the first rope end 11 and a second rope end 12 can be easily performed.
[0059]
　Further, in the above described embodiments, an example has been described in which vertically moving the car in the vertical direction is the vertical direction, but is not limited thereto.
[0060]
　In the present specification, it was used words such as "parallel" and "orthogonal", which are not intended to mean only the exact "parallel" and "orthogonal" includes a "parallel" and "orthogonal" , in the range that can further exert its function may be in the form of "substantially parallel" and "substantially perpendicular".
DESCRIPTION OF SYMBOLS
[0061]
　1 ... elevator, 11 ... first rope end, 12 ... second rope end, 13 ... car-side-back pulley 14 ... weight side flashing pulley, 14a ... first derivation join the club, 14b ... second leading join the club, 15, 16, 17 , 18 ... car-side pulley, 21 ... first weight pulley, 21a ... first derivation join the club, 21b ... second leading join the club, 21c ... shaft center, 22 ... second weight pulley, 22a ... first derivation join the club, 22b ... second leading join the club, 22c ... shaft center, 100 ... hoist 101 ... sheave, 101a ... first derivation join the club, 101b ... second leading join the club, 110 ... hoistway, 111 ... wall, 120 ... car, 121 ... car-side doors, 130 ... main ropes, 150 ... machine beams, 150a ... upper surface portion, 150b ... bottom surface portion, 160A, 160B ... cage-side guide rails, 170A, 170B ... Contact Mori side guide rails, 170C ... guide lines, 201 ... entrance, 202 ... building side door, X ... first direction, Y ... second direction.

The scope of the claims

[Requested item 1]A hoisting machine having a sheave,
　a machine beam for supporting the traction machine,
　being wound around the sheave, the second is the other end of the first rope end and the axial direction which is the one axial end a main rope rope end is fixed to the machine beam,
　said main rope having a plurality of cage-side pulley exerted, the car to the hoistway to move up and down,
　the first weight pulley said main rope is multiplied and a counterweight having a second weight side pulley,
　in between the cab, said the machine beams are installed on the opposite side, the car-side-back pulley said main rope is applied,
　mounted on the machine beam is provided with a main rope, and the weight-side-back pulley exerted placed to the first weight side pulley and the second weight pulley,
　said machine beam, it said and said cab horizontally temperature Is disposed between the wall surface of the road,
　the hoisting machine is secured to said upper surface of the lifting direction of the machine beam,
　said weight side flashing pulley is installed on the lower surface portion of the lifting direction of the machine beam
　Elevator .
[Requested item 2]
　Perpendicular to the lifting direction of the car, and the car-side door building structure a first direction orthogonal with a direction opposite to the building-side door, a second orthogonal with the first direction and the elevation direction in the direction,
　the hoisting machine, the first rope end and the second rope end, an end portion of the first direction definitive the hoistway the car side of the end portion of the wall surface of the machine beams are arranged,
　said weight side flashing pulley than said end portion of said cab side in the first direction of the machine beams are arranged on the end of the wall surface of the hoistway
　elevator according to claim 1.
[Requested item 3]
　The axis of the first weight side pulley and the second counterweight-side pulley, both the first direction and the second direction are disposed inclined
　elevator as claimed in claim 2.
[Requested item 4]
　Wherein the first weight pulley second weight side pulley, the axis is arranged parallel to one another
　elevator according to claim 3.
[Requested item 5]
　Said first weight side pulley has a derivation join the club said main rope hanging down from the second rope end are multiplied,
　wherein the deriving join the club of the first weight pulley is slidably supporting said counterweight It is arranged close to the car in the first direction than counterweight-side guide rails for
　elevator according to claim 3.
[Requested item 6]
　Wherein said sheave of the axis of the hoisting machine, the axis of said weight side flashing pulley is arranged parallel to the first direction
　elevator according to claim 2.