The present invention relates to a counterweight and an elevator device for an elevator apparatus.
BACKGROUND
[0002]
　Elevator apparatus, the elevator path formed building includes a car and a counterweight are suspended Tsurube expression by the main rope. Counterweight generally includes a pair of vertical frames which are arranged on both sides, counterweight frame having a side plate on connecting the upper end of the lower plate, and vertical frames connecting the lower ends of these vertical frames, and weights to be stacked on the counterweight frame, attached to the upper plate comprises a pulley main rope is wound, and a guide device which is disposed near the four corners of the counterweight frame.　
　Conventionally, in order to achieve the height direction of the space of the elevator apparatus, a portion of the weights, which is arranged above the lower end of the pulley is disclosed (Patent Document 1).
CITATION
Patent Document
[0003]
Patent Document 1: JP 2006-290496 JP
Summary of the Invention
Problems that the Invention is to Solve
[0004]
　Meanwhile, space saving elevator system, placement of equipment, is realized by such possible to reduce the size of the respective equipment itself. However, when the space savings, from the arrangement relationship of the hoistway equipment, the shape of the weights of the counterweight sometimes it is required to atypical. With this shape of the weights to atypical, because the center of gravity of the counterweight is eccentric, relatively large reaction force acts on the guide device, which may shorten the life of the guide device.　
　However, including those described in Patent Document 1, conventionally, the counterweight is constructed for the purpose of space saving, no particular consideration is given eccentricity of the center of gravity of the counterweight.
[0005]
　An object of the present invention is the shape of the weights of the counterweight even when the atypical, to provide a counterweight and an elevator device for an elevator apparatus which can reduce the reaction force of the guide device.
Means for Solving the Problems
[0006]
　Counterweight of the elevator apparatus of the present invention, for connecting the upper end of the lower plate, and the fresh frame connecting the pair of vertical frames which are opposed spaced apart, the lower end portion of the pair of vertical frames a counterweight frame composed of upper side plate, a plurality of weights that are stacked on the counterweight frame, mounted on said side plate, a pulley main rope is wound, opposing surfaces of the pair of vertical frames opposite the, and, attached to the respective upper and lower ends of the pair of vertical frames, and in sliding contact with the guide rail and a plurality of guide devices for guiding the vertical movement of the counterweight, located above the upper surface of the upper end is the upper plate of the pair of vertical frames, the accessory device when the accessory device is attached to the top of the upper end or the pair of vertical frames of the pair of vertical frames O balance the upper end of Ri to lie within height limit, characterized in that setting the length in the height direction of the pair of vertical frames.
The invention's effect
[0007]
　According to the present invention, even when the shape of the weights of the counterweight atypical, it is possible to reduce the reaction force of the guide device.　
　Incidentally, problems other than those described above, and advantages will become apparent from the following description of embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008]
Is a front view showing the counterweight of the elevator apparatus according to an embodiment of FIG. 1 the present invention.
Is a side view showing the counterweight of the elevator apparatus according to an embodiment of the present invention; FIG.
3 is a cross-sectional view of the counterweight along the line A-A of FIG.
Is a schematic diagram illustrating an example of FIG. 4 the elevator apparatus counterweight of an embodiment of the present invention is applied.
DESCRIPTION OF THE INVENTION
[0009]
　Hereinafter, modes for carrying out the counterweight and elevator system of the elevator apparatus of the present invention will be described with reference to FIGS. Note that description of the same or similar configuration in each drawing repeated denoted by the same reference numerals will be omitted.
[0010]
　Elevator apparatus, for example, as shown in FIG. 4, the cage 200, the hoisting machine 300, and a main rope 500, a counterweight 100 as main components. Cage under pulleys 601 and 602 is provided in a lower portion of the car 200. Hoist 300 is installed on the bottom of the hoistway. The fixing plate 700 is provided near the top of the hoistway, and the ends 901 and 902 of the main rope 500 is connected. Further, the fixing plate 700, diverting pulley 801 and 802 is attached. Weight on the pulley 400 to the counterweight 100 is attached. The main rope 500 has one end 901 is connected to the fixed plate 700, the sheave of the hoisting machine 300, diverting pulley 801, the car under pulleys 601 and 602, diverting pulley 802, the weight on the pulley 400 is wound in this order the other end 902 is connected to the fixing plate. When driving the main rope 500 by the hoisting machine 300, the cage guide rail with cage 200 ride along the (not shown) is raised and lowered, the weight guide rail weight 100 balance relative to the lifting of the passenger cage 200 is balance ( moves up and down along the not shown). The configuration of the elevator apparatus is not limited thereto.
[0011]
　Next, with reference to FIGS. 1 to 3, illustrating the detailed structure of the counterweight 100 of the elevator apparatus according to an embodiment of the present invention. Figure 1 is a front view of the counterweight of the elevator apparatus, FIG. 2 is a side view of the counterweight of the elevator apparatus, FIG. 3 denotes a cross-sectional view of a counterweight along the line A-A of FIG.
[0012]
　Counterweight 1 includes a counterweight frame 2, and weights 3, a weight on a pulley 400, a guide device 5a, 5b, 5c, and 5d, fueling device 6a, and 6b.
[0013]
　Weight frame 2 balance was opposed spaced (disposed on right and left sides of FIG. 1) a pair of vertical frames 2a, 2b, vertical frame 2a, the lower plate 2c for connecting the lower end of 2b, and vertical frame 2a, and a top plate 2d for connecting the upper end of the 2b.
[0014]
　Vertical frame 2a, 2b, as shown in FIG. 3, each have a U-shaped cross section, are arranged such that the opening side face each other, so that the anti-opening side facing the guide rail 7a, and 7b, respectively It has become.
[0015]
　Lower plate 2c has its both ends fixed to the lower portion of the vertical frame 2a, 2b by a bolt, adapted to receive the load of the weights 3 is more loaded. In addition, by weights 3 arranged at the uppermost position is pressed downward weights retainer 10a, by 10b, is pressed against the lower plate 2c as a whole weights 3, so that the wobbling does not occur. Further, the lower portion of the lower plate 2c, the receiving portion 12 which is received by the buffer device installed at the bottom of the hoistway (not shown) is attached.
[0016]
　The upper plate 2d is vertical frame 2a its ends by a bolt, is fixed to the top of 2b, the upper surface thereof, the weight on a pulley 400 via a bracket 8 is rotatably mounted.
[0017]
　The weight on the pulley 400 main rope (not shown) is wound, the counterweight 100 is suspended by the main rope through a weight on a pulley 400. In this embodiment, the weight on the pulley 400 is mounted on the upper plate 2d. In other words, the lower end of the weight on the pulley 400 is positioned above the upper surface of the weights 3 disposed at the uppermost position. Since the weight on the pulley 400 is mounted on the upper plate 2d, which facilitates maintenance of the weight on the pulley 400.
[0018]
　Guide device 5a, 5b, 5c, 5d are arranged in the vicinity of the four corners of the counterweight frame 2. That is, the upper end of the guide device 5a is vertical frame 2a, guide the lower end of the device 5b are vertical frame 2a, an upper end portion of the guide device 5c is vertical frame 2b, the guide device 5d is vertical frame 2b of the lower end portion attached to the anti-opening side of each guide unit 5a, 5b in the guide rail 7a, the guide device 5c, 5d guides the lifting of the weight 1 balance with each sliding contact with the guide rail 7b.
[0019]
　Lubricator 6a, 6b is vertical frame 2a, 2b top of, i.e., is attached to a position close guide device 5a, the 5c. In the present embodiment, the oil supply device 6a, 6b is vertical frame 2a, opposite each attached to the top of 2b L-shaped mounting members 11a, is attached to 11b. Lubricator 6a, 6b each has a tank for storing lubricating oil, of lubricating oil supplied slowly structure from those of the tank. The oil supply device 6a, 6b, and supplies each guide rail 7a, the lubricant 7b applied, guide device 5a, 5b, 5c, 5d and a guide rail 7a, the lubricant between the 7b.
[0020]
　Weights 3 are multiple stacked on the lower plate 2c, in this embodiment, as shown in FIG. 3, it has the shape of a different type. That is, the weights shape viewed from the top (horizontal) and has a different type. Here weights shape and atypical, in this embodiment, to an asymmetrical shape. Further, in other words, the weights shape atypical, the center of gravity of the weights as seen from above is true that it is deviated from the vertical frame 2a, the center of gravity of the area formed by 2b as seen from above.
[0021]
　In the present embodiment, weights 3, in order to streamline and efficient space utilization of the vertical frame of the counterweight frame, its ends, the vertical frame 2a having a U-shaped cross section, fitted to 2b together they have become narrower as if possible, its central portion is wider than the width of the vertical frame. As you aim to space saving elevator system, it is required to make this wait atypical. For example, if we aim to space saving elevator system, the guide rails 7a, placed inevitably displaced in 7b wall side (upper side in FIG. 3). Therefore, weights 3, forced arranged to be shifted both end to the central portion. Accordingly, weights 3, wider central portion cage side would be formed to be positioned closer to the (lower side in FIG. 3), the central portion when viewed from the width direction asymmetrically (the drawing of FIG. 3 , and has a shape of the upper and lower asymmetric). In other words, the center line of the weights 3 (two-dot chain line in FIG. 3. Center of gravity line position.) Is vertical frame 2a, the center line of the area formed by 2b (one-dot chain line in FIG. 3. Guide rails 7a, the center of gravity on a line coincident with the line connecting the 7b is deviated from the position.).
[0022]
　Also, in relation to the arrangement of the hoistway equipment 9 (such as a relationship between the position of the governor in the case of every relationship and governor machine and the position of the rope end), as shown in FIG. 3, weights viewed from above some of the 3 cut away may form a weights 3. Asymmetrical (on the drawing of FIG. 3, the shape asymmetrical) and observed weights 3 from the length direction in this case it becomes. As shown in FIG. 3, upper and lower, when the weights 3 asymmetrically to the left and right are formed, the balance effect of the eccentricity of the center of gravity of the weight is increased, a large reaction force by the guide device may act.
[0023]
　Then, in the elevator apparatus of the present embodiment, in the one using the weights 3 atypical, it devised to reduce the reaction force of the guide device 5a ~ 5d are subjected. Specifically, a distance dimension vertical frame 2a, a 2b, counterweight height limit in an extended dimension H1, extended, upper end of the guide device 5a, 5c and the lower end portion of the guide device 5b, and 5d It is set to be larger the H2. The balance in weight height restriction is that within the overhead dimensions of the counterweight 100 is predetermined as a specification of the elevator installation.
[0024]
　The following describes the significance of extended dimensions H1 extending in weight height restriction balancing the vertical frame.
[0025]
　Weight frame 2 balance, because is transported as an assembly to the installation site of the elevator apparatus from the factory, as vertical frame 2a, the upper end of the 2b do not protrude from the upper surface of the upper plate 2d, the vertical frame 2a is inherently , the height of 2b to a height substantially the upper surface of the upper plate 2d same is desirable. In the present embodiment, from the new Viewpoints of reducing the reaction force of the guide device 5a ~ 5d due to wait 3 atypical, upper end of the guide device 5a, 5c and the lower end portion of the guide device 5b, 5d because setting a large spacing dimension H2 of the, it is to dare extending vertical frame 2a, 2b upwardly.
[0026]
　In the present embodiment, we have established weight on a pulley 400 on the upper surface of the upper plate 2d. In such an elevator apparatus, the overhead dimension H0 of the counterweight 100 is predetermined as a specification of the elevator installation, vertical frame 2a, 2b to the lower end, the height up to the upper end of the bracket 8 for fixing the weight on the pulley 400 Become. As long as the position of the upper end of the vertical frame (the upper end of the accessory when the accessory device, such as a fueling device on top of the vertical frame is attached) fits within the overhead dimension H0, vertical frame 2a, 2b It is allowed to extend upwardly beyond the upper surface of the upper plate 2d. In the present embodiment, the vertical frame 2a, an upper oil supply system 6a of 2b, since 6b is attached, the vertical frame 2a, fueling device 6a from 2b bottom, the height up to the upper end of 6b, Oheddo dimensions without exceeding the, so that it extends upward vertical frame 2a, 2b beyond the upper surface of the upper plate 2d. In other words, in the present embodiment, by effectively utilizing the existing space in the vertical direction, in which the vertical frame 2a, 2b and extended.
[0027]
　Reaction force guide device is subjected will vary depending on the eccentricity degree of the center of gravity of the weights 3. The greater the eccentricity degree of the center of gravity, vertical frame 2a, that 2b maximally extended desirable. That is, as shown in FIG. 1, the vertical frame 2a, fueling device 6a mounted on the top of 2b, the upper end of 6b, the top and approximately the same level (counterweight bracket 8 for fixing the weight on the pulley 400 height limit as it will be near) vertical frame 2a, 2b and extending only extend dimension H1 is upward (however, the oil supply device 6a, 6b of the upper end counterweight height limit, i.e., within the overhead dimension). Here, the vicinity of the counterweight height limit, in the present embodiment, the oil supply device 6a, if the upper end of 6b was 100% extension when it enters the upper end and the same level of the bracket 8, a case where the extended at least 90% means. Further, in order to obtain the effect of reducing the reaction force which the guide device receives enough, vertical frame 2a, 2b has a when the refueling device 6a, the upper end of 6b becomes the top and the same level of the bracket 8 is 100% extension If, desirable to extend about 50%.
[0028]
　In the present embodiment, the relationship between the arrangement of such hoistway device 9, the shape of the weights 3 of the counterweight 100 has a different type. If such weights 3 to actually lift the weight 100 balance and loaded with, comparisons since the center of gravity of the counterweight 100 are eccentric, the disposed near the four corners of the counterweight 100 guide device 5a ~ 5c a large reaction force is operative. However, vertical frame 2a of the present embodiment, 2b, the extension dimension H1 from the upper plate 2d upward are extended, the upper end portion side of the guide device 5a, 5c and the lower end portion of the guide device 5b, 5d spacing dimension H2 is is set larger with. Therefore, it is possible to reduce the reaction force acting on the guide device 5a ~ 5c, which makes it possible to life extension of the guide device 5a ~ 5d.
[0029]
　Also, those in the present embodiment, the vertical frame 2a, 2b, but is intended to extend in balancing the weight height restriction, which extended vertical frame 2a, 2b by effectively utilizing the existing space in the vertical direction , and the never require change of the total height dimension of the counterweight 100. Therefore, without affecting the other devices and installation conditions, it is possible to reduce the reaction force of the guide device 5a ~ 5d.
[0030]
　The present invention is not limited to the embodiments described above, but includes various modifications. For example, the above embodiments are those described in detail in order to better illustrate the invention and are not intended to be limited to those having the necessarily all described configurations. Further, it is possible to replace a part of the configuration of one embodiment in the configuration of another embodiment, it is also possible to add a configuration of an embodiment alternative embodiment to the configuration of. A part of the configuration of each embodiment, addition of other configurations, it is possible to delete, the substitution.
DESCRIPTION OF SYMBOLS
[0031]
　2 ... counterweight frame, 2a, 2b ... Fresh frame, 2c ... lower side plate, 2d ... upper plate, 3 ... weights, 5a ~ 5d ... guide apparatus, 6a, 6b ... oil supply device, 7a, 7b ... guide rail (counterweight guide rails), 8 ... bracket, 9 ... hoistway equipment, 10a, presser 10b ... weights, 11a, 11b ... mounting member, 12 ... receiving unit, 100 ... counterweight, 200 ... cab, 300 ... hoist, 400 ... weight on a pulley, 500 ... main rope.

WE claims

And car, and counterweight, a hoisting machine, comprising a main rope, the elevator device for relatively lifting the counterweight and the car drives the main rope by the hoisting machine,
　the counterweight is
　counterweight consists side plate on connecting the upper end of the lower plate, and the fresh frame connecting the pair of vertical frames which are opposed spaced apart, the lower end portion of the pair of vertical frames a frame,
　a plurality of weights that are stacked on the counterweight frame,
　mounted on said side plate, a pulley the main rope is wound,
　the opposite side of the opposing surfaces of the pair of vertical frames, and , attached to the respective upper and lower ends of the pair of vertical frames, and in sliding contact with the guide rail and a plurality of guide devices for guiding the vertical movement of the counterweight,
　the pair of vertical frame ,Previous The upper end of the pair of vertical frame located above the upper surface of the upper plate, the accessory device when the accessory device is attached to the upper portion of the upper end or the pair of vertical frames of the pair of vertical frames as the upper end is positioned in balancing the weight height limit, the elevator apparatus characterized by having a length in the height direction.
[Requested item 2]
　An elevator apparatus according to claim 1,
　wherein the pulley, the attached via a bracket to the upper surface of the upper plate,
　supply the accessory device, the lubricating oil on the sliding surface of the guide device and the guide rail an oil supply device for,
　the pair of vertical frame, the length from the upper surface of the upper plate to the upper end of the pair of vertical frame, so that the upper end of the oil supply device is at the upper end and the same level of the bracket as with the said at least 50% of the length from the upper surface of the length to the upper end of the pair of vertical frame upper side plate of the case, the elevator apparatus characterized by having a length in the height direction.
[Requested item 3]
　An elevator apparatus according to claim 2,
　wherein the pair of vertical frame, the length from the upper surface of the upper plate to the upper end of the pair of vertical frame, identical to the upper end of the upper end of the fuel supply device is said bracket to have at least 90% of the length from the upper surface of the length to the upper end of the pair of vertical frame upper side plate when such a level, and characterized in that it has a length in the height direction elevator device that.
[Requested item 4]
　An elevator apparatus according to any one of claims 1 to 3,
　wherein the weights are the shape viewed from the top, the elevator apparatus characterized by being formed asymmetrically as viewed in the width direction or length direction .
[Requested item 5]
　An elevator apparatus according to claim 4,
　wherein the pair of vertical frame has a U-shaped cross section, the open side is facing each other, the anti-opening side is arranged to face to each of the guide rails,
　the weights are , the shape as viewed from above, and the fresh frame of said U-shaped narrow at both ends fitted to a portion, to have a central portion of the wider than the U-shaped portion of the fresh frame It is formed on, and the elevator system, characterized in that the relative end portions the width direction of the center line of the center line in the width direction of the central portion is formed so as to shift.
[Requested item 6]
　An elevator apparatus according to claim 4,
　wherein the pair of vertical frame has a U-shaped cross section, the open side is facing each other, the anti-opening side is arranged to face to each of the guide rails,
　the weights are , the shape as viewed from above, and the fresh frame of said U-shaped narrow at both ends fitted to a portion, to have a central portion of the wider than the U-shaped portion of the fresh frame It is formed on, and an elevator apparatus, wherein a part of said central portion is formed to have a-away portion-away corresponding to the arrangement of the hoistway equipment of the elevator apparatus.
[Requested item 7]
　A counterweight of the elevator system,
　has a U-shaped cross section, the open side is facing each other, a pair of vertical frame counter opening side is disposed so as to face each of the counterweight guide rails, the pair the lower plate connecting the lower ends of the vertical frame, and a counterweight frame consists side plate on connecting the upper end portion of the fresh frame,
　there in wait to be stacked on the lower side plate of the counterweight frame Te, the shape viewed from above, the weights, which are formed asymmetrically as viewed in the width direction or length direction,
　a pulley attached via a bracket to the upper surface of the upper plate, which is wound around the main rope,
　the pair in the counter-opening side of the vertical frame, and the pair of attached to the respective upper and lower ends of the vertical frame, draft the elevation of the counterweight slides in contact with the guide rail Comprising a plurality of guide apparatus,
　the pair of vertical frame, located above the upper surface of the upper end is the upper plate of the pair of vertical frames and the pair of vertical frames top or the pair to lie within upper end counterweight height limit of the accessory device when the accessory device to the top of the frame Te is attached, the counterweight of the elevator apparatus characterized by having a length in the height direction.