JP2001317225A - Elevator device for multistory parking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lower drive noise and to suppress the wear of wire ropes W1, W1, etc. SOLUTION: The intermediate parts of the four wire ropes W1, W1, etc., with one ends each connected to the corners of a carriage 25 for transferring a motor vehicle and the other ends connected to a counterweight 26 are wound on right and left traction sheaves 23b and 23b for the winding of two wire ropes. By guiding the wire ropes W1, W1, etc., each connected to one long side of the carriage 25 and to the other long side two by two to each of the traction sheaves 23b, it is possible to suppress the necessary number of guide pulleys 24, 24, 24a, 24a, etc., to a minimum.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus for a multi-story parking system for moving a vehicle into and out of a parking space formed in a multi-tiered manner.

[0002]

2. Description of the Related Art Elevator-type multi-story parking devices have been widely used in which an elevator device for transporting a vehicle is incorporated into a parking structure having a multi-tiered parking space.

This system includes a carriage suspended from the uppermost part of a parking structure via a chain so as to be able to ascend and descend through a chain. The carriage is vertically moved to vertically move a vehicle forward of each parking space and is mounted on the carriage. The vehicle on the carriage can be stored in each parking space via the pair of transfer forks.

[0004] Each parking space has a pallet supported via left and right support members, and vehicles enter and leave via the pallet. In addition, the transfer fork is mounted on the carriage at a distance corresponding to the wheel base of the vehicle, and can support the left and right pallets at the time of loading and unloading the vehicle to horizontally move the vehicle. .

[0005]

According to the prior art, since the elevator device drives the carriage up and down through a chain, the operation noise is large, and if it is installed in a quiet residential area, noise complaints are generated. There was a problem that it was easy. Also, the chain needs to be replaced periodically, but it is expensive and raises long-term running costs.

Accordingly, an object of the present invention is to provide an elevator apparatus for a multi-story parking device which can effectively solve the problems of driving noise and running cost by using a wire rope instead of a chain. .

[0007]

In order to achieve the above object, the present invention comprises a rectangular carriage for transporting a vehicle, a counterweight, and one end connected to each corner of the carriage. A traction sheave for two hooks on the left and right around the middle part of the four wire ropes connecting the ends, and a drive motor connected to the traction sheave are provided, and the wire rope is provided on one long side of the carriage. , For each two connected to the other long side, via the guide pulley immediately above each connection position, aligned via one of the guide pulleys, guided to one of the traction sheaves, and then through another guide pulley The gist is to connect to the counterweight.

Each guide pulley can be provided with a stopper.

[0009]

According to the structure of the present invention, each traction sheave is wound around the middle portion of the wire rope without winding the wire rope and is driven by friction, so that there is essentially no restriction on the vertical distance of the carriage. The wire rope has two ends connected to each corner of the carriage, and the other end is connected to the counterweight by adopting a specific routing form. The left and right traction sheaves and the two guide pulleys on the counterweight can each be used for two hooks, eliminating the need for moving pulleys that require maintenance and inspection, and minimizing the number of guide pulleys and traction sheaves required. can do.

[0010] If a stopper is attached to each guide pulley,
The wire rope can be prevented from coming off, and the overall safety can be further improved.

[0011]

Comparative Example Hereinafter, a comparative example on which the present invention is based will be described with reference to the drawings.

An elevator device 20 for a multi-story parking device comprises:
Drive motor 21, winding drum 23, wire ropes W1, W1
And a carriage 25 suspended through the wire rope W
2, a counter weight 26 suspended via W2 (FIG. 1). However, the elevator device 20 is incorporated in the high-rise parking structure 10.

The parking structure 10 is a steel structure formed by combining columns 11, 11,... And beams 12, 12,. Inside the parking structure 10, there is an entry / exit room S1 on the ground floor.
, A transport space S2 for raising and lowering the carriage 25 of the elevator apparatus 20, a number of parking spaces S3, S3... On both sides of the transport space S2, and a machine room S4 at the top.

The entry / exit room S1 is provided so as to occupy the entire ground floor. A pit F1 for accommodating the carriage 25 is formed at the center of the floor F, and a base frame F1a is disposed in the pit F1 for pushing up the pallet 14 on the carriage 25. Pit F
A gate 15 for the entrance and exit of the vehicle is formed on the outer wall on one side in the longitudinal direction.

The transport space S2 runs vertically through the center of the parking structure 10 from above the pit F1 to immediately below the machine room S4, and the parking spaces S3, S3... Are located on both sides of the transport space S2. It is formed in upper and lower stages. A pallet 14 is provided in each parking space S3.

Each pallet 14 is a plate-like body on which a vehicle can be loaded (FIG. 2), and is supported for each parking space S3 via a pair of left and right support members 13, 13. Each support member 13 is disposed between the beam 12 behind the parking space S3 and the left and right beams 12, 12 via cantilever members 12a, 12a (FIG. 3). The cantilever member 12
a, 12a are auxiliary vertical members 12 attached to the left and right beams 12
b, 12b. Stopper brackets 13a, 13a are fixed to both front and rear ends of each support member 13, respectively. The height d1 of each parking space S3 is set to the minimum necessary in accordance with the height h of the vehicle to be stored (FIGS. 2 and 5).

The drive motor 21, the speed reducer 22, and the winding drum 23 of the elevator device 20 are installed in the machine room S4 (FIG. 1). The wire ropes W2 and W2 for the counterweight 26 are connected to the counterweight 26 via a balance arm 26a.

The carriage 25 is formed in a rectangular frame shape corresponding to the pallet 14 (FIG. 2). At four corners of the carriage 25, suspension frames 25a, 25a... Which connect one end of each wire rope W1 are provided. Have been. Further, guide rollers 25 are provided on the outer end surface of each suspension frame 25a.
b, 25b are mounted, and guide rollers 25b, 2b
5b contact with guide rails (not shown) vertically arranged at the four corners of the transport space S2 to roll, thereby preventing the carriage 25 during ascending and descending from swinging or tilting. However, the wire ropes W1, W1 ...
A vehicle is loaded from one end of the carriage 25 in the longitudinal direction,
In order to release the carriage (in the direction of arrow A in FIG. 2), the carriage 2
At one end side of 5, the suspension interval is set wide.

In the carriage 25, each parking space S3
A pair of telescopic transfer forks 27, 27 are mounted so as to correspond to the positions immediately inside the support members 13, 13 (FIGS. 2, 3).

Each transfer fork 27 has a pair of fixed frames 27a, 27a fixed to the carriage 25, a groove-shaped intermediate slider 27b sliding between the fixed frames 27a, 27a, and a slider 27c sliding within the intermediate slider 27b. The intermediate slider 27b is fixed to the fixed frame 27 via an interlocking feed mechanism (not shown).
a and 27a, the slider 27c is an intermediate slider 27.
b can be slid in the longitudinal direction. Therefore, the transfer forks 27, 27
7c, 27c can be inserted into the left and right parking spaces S3, S3 so that the whole can be simultaneously extended (FIG. 3) and the whole can be retracted on the carriage 25 (FIG. 2).

The other ends of the four wire ropes W1, W1,... Connected to each corner of the carriage 25 are guided to the winding drum 23 via guide pulleys 24, 24, just above the connection positions (FIG. 4). , Which are distributed and fixed in the axial direction of the winding drum 23. The drive motor 21 is connected to the winding drum 23 via a speed reducer 22.

Each wire rope W1 is wound around a predetermined position of the winding drum 23 through a corresponding guide pulley 24 in the direction of arrow K1 in FIG. On the other hand, the two wire ropes W2, W2 connected to the counterweight 26 are:
Via another corresponding guide pulley 24, 24, the winding drum 23
Is wound and fixed in the direction of arrow K2 in FIG. That is, the wire ropes W1, W1, ..., W2, W2
.. Are connected to one short side of the carriage 25, the other short side, and every two of the carriages 25 connected to the counterweight 26, and the spacing between the suspensions is reduced in order, and the guide pulleys 24, 24,. , Are guided to the respective winding positions that are sequentially shifted inward from both ends of the winding drum 23 (FIGS. 4 and 6).

Such a multi-story parking device includes a carriage 2
By combining the up-and-down movement of 5 and the expansion and contraction of the transfer forks 27, 27, the vehicle can enter and leave each parking space S3.

The warehousing operation of the vehicle is as follows. First, the pallet 14 in the empty parking space S3 is carried out to the entry / exit room S1, and the vehicle is loaded on the pallet 14 in the entry / exit room S1.
The pallet 14 carrying the vehicle is carried into the parking space S3 from which the pallet 14 has been carried out, and the process is completed. In addition, the leaving operation of the vehicle is performed together with the pallet 14 in the parking space S3.
Is carried out to the loading / unloading room S1, and the vehicle is moved out of the carriage 25 by self-propelled operation.

When unloading an empty pallet 14 from an arbitrary parking space S3, first, the winding drum 23 is moved to the arrow K in FIG.
The carriage 25 is raised by being driven in one direction and stopped in front of the parking space S3 (FIG. 2). At this time, the carriage 25 is stopped so that the upper surfaces of the transfer forks 27, 27 are slightly lower than the lower surface of the pallet 14 in the parking space S3. When the carriage 25 stops at a predetermined position, the transfer forks 27, 27 are extended into the parking space S3 (FIG. 3) and inserted under the pallet 14 (solid line in FIG. 5). At this time, the transfer fork 2
Since the members 7 and 27 are arranged immediately inside the support members 13 and 13, they do not interfere with the vehicle in the lower parking space S3.

Next, the carriage 25 is slightly raised, and the parking space S3 is moved via the transfer forks 27, 27.
The pallet 14 is lifted up from the support members 13 and 13 (two-dot chain line in FIG. 5), and then the transfer forks 27 and 27 are retracted to transfer the pallet 14 to the carriage 25 side.
Subsequently, when the carriage 25 is lowered into the pit F1, the pallet 14 on the carriage 25 is pushed up by the base frame F1a in the pit F1 and can be stabilized at the same level as the floor surface F. Then, the vehicle enters the pallet 14 by self-traveling and is loaded on the carriage 25 (two-dot chain line in FIG. 1). The carriage 25
Is lowered by driving the winding drum 23 in the direction of arrow K2 in FIG.
And move in the opposite direction.

The carriage 25 carrying the vehicle is raised to the front of the parking space S3 from which the pallet 14 has been carried out, and stopped so that the lower surface of the pallet 14 is slightly higher than the upper surfaces of the support members 13, 13. Then, after the transfer forks 27, 27 are extended into the parking space S3 and the vehicle is carried into the parking space S3 together with the pallets 14, the carriage 25 is lowered and the pallets 14 are supported by the support members 13, 13. That is, the vehicle
It can be stored in the parking space S3 via the pallet 14. Then, the transfer forks 27, 27 are retracted to complete the storage operation.

When the vehicle in the parking space S3 is carried out, the same procedure as the procedure for carrying out an empty pallet 14 may be used. Also, the pallet 14 on the bearing members 13, 13
Are stopper brackets 13 at both ends of each support member 13.
a, 13a, it is safely positioned.

The winding drum 23 has wire ropes W1, W1
, W2, and W2, a roller 23a for preventing turbulent winding can be provided at each winding position (FIGS. 6 and 7).

Around the winding drum 23, corresponding to the wire ropes W1, W1 at both ends and the wire ropes W2, W2 at the center, the frame frames 16, 16,.
Are assembled, and the rollers 23a, 23a,...
6, the wire ropes W1, W
1,..., W2, and W2. Each roller 23a is rotatably mounted on the frame 16 or between the structural members 16b, 16b of the adjacent frames 16, 16 in parallel with the winding drum 23. A very small gap is set between each roller 23a and the wire ropes W1 and W2 wound around the wire groove 23c of the winding drum 23.

Each of the rollers 23 a is
The wire rope W1 or the wire rope W2 is prevented from overlapping and becoming irregularly wound.
The wire ropes W1, W1,..., W2, W2 can be regularly wound along the line c, and the inclination of the carriage 25 can be prevented.

Each of the guide pulleys 24, 24, ... can be provided with a stopper 24b, 24b via a bearing member 24c (FIGS. 6, 8).

The bearing member 24c includes a base plate 24c1, 2
4c1 and support members 24c2, 24c2 standing on the base plates 24c1, 24c1.
Are rotatably supported via support members 24c2, 24c2. The stoppers 24b, 24b are rods that bend so as to surround the outer periphery of the guide pulley 24, respectively.
Support pipe 24b projecting from support members 24c2, 24c2
The base end is inserted into 1, 24b1 and is fixed so that the height can be adjusted. In addition, the stoppers 24b, 24b are attached to the guide pulley 24 at intervals of 90 degrees on the side where the wire rope W1 or the wire rope W2 is hung.
A slight gap is provided between each stopper 24b and the outer periphery of the guide pulley 24.

[0034]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The elevator apparatus 20 can drive the carriage 25 up and down through left and right traction sheaves 23b, 23b (FIG. 9).

Each of the traction sheaves 23b is for two hooks, and the wire ropes W1, W1,... Connecting one end to each of the corners of the carriage 25 are both the guide pulleys 24, 24a or only the guide pulley 24a. Wrap the intermediate portion around the traction sheave 23b through
The other end is connected to the counter weight 26 via another guide pulley 24a. However, each guide pulley 24a
The guide pulley 24 for single hook is provided only for the wire ropes W1 and W1 corresponding to one end of the carriage 25. .., The wire ropes W1, W1,... Are connected to one long side and the other long side of the carriage 25, respectively.
After passing through 4a, they are aligned via one guide pulley 24a, guided to the traction sheave 23b, and connected to the counterweight 26 via another guide pulley 24a.

The carriage 25 is driven by a traction sheave 2 via a double shaft type speed reducer 22 connected to a drive motor 21.
3b and 23b can be driven to rotate in the forward and reverse directions to drive up and down. The carriage 25 can have a sufficiently wide suspending interval of the wire ropes W1, W1 at both ends,
The vehicle can be carried in and out from both directions (directions of arrows A and B in FIG. 9).

The traction sheaves 23b, 23
b, one or both of the guide pulleys 24, 24, 24a, 24a...
b and 24b can be additionally provided. In this case, each traction sheave 23b for two hooks, the guide pulley 24
As for a, the width of each stopper 24b may be increased.
The traction sheave 23b is connected to a wire rope W1.
, W1 has a sufficiently large winding angle,
4b and 24b are preferably provided at intervals of about 180 degrees.

In the above description, a turn device for floating the pallet 14 on the carriage 25 and turning it may be provided on the base frame F1a in the pit F1. When the carriage 25 descends into the pit F1, the turn device turns the pallet 14 on the carriage 25 to change the direction of the vehicle on the pallet 14, so that the vehicle can always enter and leave the vehicle in the forward direction.

[0039]

As described above, according to the present invention, by driving the carriage up and down via the wire rope, the operation noise is low and the wire rope is inexpensive. There is an excellent effect that the cost problem can be solved at the same time.

The wire rope is guided to each traction sheave for every two wires connected to one long side and the other long side of the carriage, respectively, and is connected to a counterweight, so that the guide pulley and the traction sheave are connected. The required number of items can be minimized, the wear of the wire rope can be minimized, and the necessary maintenance and inspection can be simplified.

[Brief description of the drawings]

FIG. 1 is an explanatory view of the overall configuration showing a comparative example.

FIG. 2 is a perspective view of a main part (1).

FIG. 3 is a perspective view of a main part (2).

FIG. 4 is a schematic perspective view of an elevator device.

FIG. 5 is an explanatory diagram of an operation.

FIG. 6 is an essential part perspective view showing another comparative example.

FIG. 7 is an enlarged view of a main part of FIG. 6 (1).

FIG. 8 is an enlarged view of a main part of FIG. 6 (2).

FIG. 9 is a diagram corresponding to FIG. 4 showing an embodiment.

[Explanation of symbols]

 W1, W2 ... wire rope 20 ... elevator device 21 ... drive motor 23b ... traction sheave 24, 24a ... guide pulley 24b ... stopper 25 ... carriage 26 ... counterweight

Claims (2)

[Claims] 1. A rectangular carriage for transporting a vehicle, a counter weight, and an intermediate portion of four wire ropes having one end connected to each corner of the carriage and the other end connected to the counter weight. A traction sheave for two left and right hooks, and a drive motor connected to the traction sheave, wherein the wire rope is connected to one long side and the other long side of the carriage, respectively. Each time, via a guide pulley immediately above each connection position, aligning via one of the guide pulleys, leading to one of the traction sheaves, and connecting to the counterweight via another guide pulley. Elevator equipment for multi-story parking equipment. 2. The elevator apparatus according to claim 1, wherein each of the guide pulleys is provided with a stopper.