JP2946006B2 - Drive chain storage devices such as hoisting devices - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hoisting device such as a winch for hoisting or pulling a load through a drive chain (hereinafter referred to as a hoisting device). The present invention relates to a drive chain storage device, such as a hoisting device, for cleaning the drive chain.

[0002]

2. Description of the Related Art In general, hoisting devices and the like used for various types of elevator devices move a load up and down through a drive chain. At this time, the drive chain is wound around a drive sprocket at an intermediate portion, and one end is connected to a load, while the other end is vertically suspended from the drive sprocket and then connected to a counterweight. is there.

For example, a plurality of storage spaces Pij (i = 1, 2,..., M = 1, 2,... N) are formed in a frame F (FIG. 8 (A)), and a car is mounted for each storage space Pij. Multi-stage multi-story parking device (Japanese Patent Application No. 2-133176)
No.), a trolley T and a winch W are provided for each of the storage spaces Pij on the middle floor except the ground floor and the top floor (FIG. 2B), and the winch W is connected via drive chains C and C. Thus, the mobile pallet P on which the car Ca is loaded is raised and lowered. However, drive chain C,
A total of four Cs are used via a driving sprocket W1 and a driving sprocket (not shown) coaxial with the driving sprocket. Each driving chain C corresponds to each corner of the pallet P.

The free end of each drive chain C is vertically suspended from a drive sprocket W1, and a tip thereof is connected to a counterweight C1. Here,
The drive sprocket W1 is connected to a motor W2 via a transmission chain W2a, and the winch W is mounted on the traversing carriage T as a whole. However, the transverse carriage T is driven by the rollers T2, T2 by the motor T1 in the normal and reverse directions, so that the beams F1, F1
You can travel along.

In this multi-story parking device, the winch W does not need to be provided in the storage space Pi1 on the ground floor, and the pallet P is directly mounted on the traversing carriage T. Further, only the winch W is provided in the storage space Pin on the top floor. Storage space Pi1, Pi2 of each floor except the top floor
... Pi (n-1) is provided with one empty space each,
To change the location of the empty space,
For each storage space Pij, the pallet P
Can directly reach the ground floor.
It is possible to minimize the entry / exit time of a.

[0006]

According to the prior art, the drive chain has one end connected to a load,
The other end is connected to the counterweight, which has the advantage that the driving force required by the winch is small, while the free end of the driving chain is long and vertically suspended, resulting in poor overall space efficiency. The problem was inevitable.

Accordingly, an object of the present invention is to provide a support member having a hypotenuse at the upper portion thereof, so that the free end side of a drive chain hanging from a drive sprocket can be compactly disposed in view of the problems of the prior art. An object of the present invention is to provide a drive chain storage device such as a hoisting device.

[0008]

In order to achieve the above object, a construction of the present invention comprises a pair of a pair of oblique sides at the top corresponding to the free ends of a drive chain hanging from a drive sprocket such as a hoisting device. A support member and a stopper member disposed at the lower end of the hypotenuse are provided. The support member is opposed in parallel with a gap through which the drive chain can pass vertically, while the hypotenuse protrudes from both sides of the drive chain. The gist is to sequentially engage the engaging portions to be provided.

Incidentally, three or more support members can be provided corresponding to a plurality of drive chains.

[0010] The support member may be provided with an adjusting member for adjusting the engagement position of the drive chain with the oblique side.

[0011]

According to this structure, the pair of support members are
Since the drive chain has an oblique side at the top and is opposed to each other in parallel with a gap through which the drive chain can pass up and down, the free end of the drive chain protrudes on both sides when it falls into this gap. When the engaging portions are sequentially engaged with the oblique sides, it is possible to disassemble them by folding them into the gap. At this time, since the drive chain slides down along the oblique side sequentially until it comes into contact with the stopper member, the drive chain can be orderly folded upward from the lower part of the oblique side.

When three or more support members are provided, the drive chains can correspond to the gaps formed between the support members, so that a plurality of parallel drive chains can be processed simultaneously. Further, if the adjusting member is attached to the support member, the engagement position of the drive chain with respect to the hypotenuse can be adjusted. Therefore, when one side of two adjacent drive chains engages with the hypotenuse of the common support member. However, there is no possibility that the drive chains will interfere with each other on the support member.

[0013]

Embodiments will be described below with reference to the drawings.

A drive chain storage device (hereinafter simply referred to as a storage device) 10 such as a hoisting device is a plate-like support member 1.
, A plate-shaped stopper member 12, and a block-shaped adjusting member 13 (FIG. 1).

Each of the support members 11, 11,... Is a plate member having an oblique side 11a at an upper portion, and is provided with gaps d, d therebetween.
They are arranged in parallel at the same height. The support member 1
The rear ends of 1, 11, ... are connected via a connecting plate 14, and the front ends are connected by a stopper member 12. The stopper member 12 has an oblique side 11a at the lower end of the oblique side 11a of the support member 11, 11.
... projecting somewhat higher.

The adjusting member 13 is attached to the stopper member 12 so as to cross the gap d in one gap d.

The storage device 10 is used by being arranged below the drive sprockets 21 of the winch 20 (FIGS. 1 and 2).

The winch 20 is driven by a driving motor (not shown) via a speed reducer 21a.
1 is driven in the normal and reverse directions,
It is assumed that the pallet P carrying the car Ca is moved up and down. Note that the load side of the drive chains 22, 22 is moved from the drive sprockets 21, 21 to the guide sprockets 23, respectively.
a, 23a, 23b, 23b, while being connected to the pallet P, while the free end is connected to the drive sprocket 21,
21, vertically hang down in the gaps d, d of the storage device 10, and then turn upward, and the tip thereof is
2 are fixed to locking points 22a, 22a provided above. A chain guide 24 is provided near the drive sprockets 21 to prevent the drive chains 22 from coming off the drive sprockets 21.
a and 24b are provided.

Here, irrespective of the illustration, four drive chains corresponding to the corners of the pallet P are used, and the other two drive chains (not shown) are also used. Winch 20
Are commonly driven by The drive chain 2 is also used for the other two drive chains (not shown).
It is assumed that another storage device 10 (not shown) is arranged just like 2, 22.

Each drive chain 22 includes a connecting pin 22c,
A general roller chain in which link plates 22b, 22b.

In the longitudinal direction of each drive chain 22, for example, every predetermined length of about 1 to 3 m, a connecting pin 22c is provided.
Are formed on the left and right sides to protrude. A roller 22c1 is mounted on each connecting pin 22c.

The gap d of the storage device 10 has an engagement portion 22d,
Length h1 of connecting pin 22c not including 22d, engaging portion 2
For a length h2 including 2d and 22d, h1 <d <h2,
It is assumed that d−h1 <(h2−h1) / 2. Here, the former condition is that the drive chain 22
d and 22d indicate that they can pass up and down in the gap d at a portion other than the protruding position. The latter condition is that even when the drive chain 22 is shifted to one side in the gap d, This indicates that 22d and 22d do not fall into the gap d.

Now, referring to FIG.
When the pallets P are simultaneously driven in the direction of arrow K1, the pallet P can be raised in the direction of arrow K2 in FIG.

At this time, the free end side of each drive chain 22 hangs vertically from top to bottom in the corresponding gap d of the storage device 10 from the drive sprocket 21 (FIGS. 1 and 2).
It is folded back below, passes through the gap d from bottom to top, and reaches the locking point 22a. The length of the free end side of the drive chain 22 increases as the pallet P rises.
When the first engaging portions 22d, 22d reach the oblique sides 11a, 11a of the support members 11, 11, the engaging portions 22d,
22d engages with the oblique sides 11a, 11a. Therefore, since the drive chain 22 cannot hang down further in the gap d, it is folded downward at the positions of the engagement portions 22d, 22d, and the drive sprocket 2 is moved from the engagement portions 22d, 22d.
A surplus length of up to 1 newly hangs in the gap d. At the same time, the engaging portions 22d, 22d
It slides down along the hypotenuses 11a, 11a.

As described above, the drive chain 22
As the free end side is extended from the drive sprocket 21, engagement portions 22d, 22d disposed in the longitudinal direction thereof are provided.
Are successively engaged with the oblique sides 11a, 11a of the support members 11, 11 to form a gap d formed by the support members 11, 11.
It can be disposed of by folding it in (Fig. 4). That is, the drive chain 22 can be remarkably compacted as compared with a case where the entire length of the free end thereof vertically hangs below the drive sprocket 21. At this time, since one drive chain 22 (dashed line in the figure) corresponds to the gap d on the side having the adjusting member 13, the hypotenuse 1 corresponds to the thickness t of the adjusting member 13.
The engagement positions of the engagement portions 22d, 22d with 1a, 11a are different from those of the other drive chains 22 (two-dot chain lines in FIG. 4) (FIGS. 4, 5). Therefore, the drive chains 22, 22
Are engaging portions 22d, 2
.. Do not interfere with each other even if they engage in common on the oblique side 11a of the central support member 11. However, it is assumed that the thickness t of the adjusting member 13 is set to t ≒ a / 2 with respect to the height a of the drive chain 22.

In the above description, the support members 11, 11
.. May not be plate-shaped, but may be bars arranged obliquely (FIG. 6). Also, the support members 11, 11...
May have any cross-sectional shape including a round bar shape in addition to a prismatic shape.

Further, the adjusting member 13 includes the stopper member 1.
2 may also be used (FIG. 1). However, the adjusting member 13 at this time is the stopper member 12 corresponding to the other gap d.
On the other hand, the mounting position may be shifted by an amount corresponding to the thickness t described above.

The supporting members 11, 11,...
1a... The engaging portions 22d of the drive chains 22,
2d are sequentially engaged, and the drive chain 2 is inserted into the gaps d and d.
It is intended to dismantle 2, 22 in a folded state. Therefore, it is sufficient to provide a pair of support members 11, 11... Corresponding to one drive chain 22, and to provide three or more for two or more drive chains 22, 22,. It suffices if a gap d can be created corresponding to 22. When the gap d is formed by the pair of independent support members 11, 11, the stopper member 12 can have any shape protruding higher than the slopes 11 a of the support members 11, 11 (FIG. 7). .

The present invention can be widely applied not only to the winch 20 of a multi-stage multi-story parking device, but also to other hoisting devices used for lifting, towing, and the like.

[0030]

As described above, according to the present invention, by providing a pair of support members having a hypotenuse at the upper part and a stopper member disposed at the lower end of the hypotenuse, the free end of the drive chain can be When hanging down in the gap formed between the support members, the engaging portions protruding on both sides of the drive chain engage with the oblique sides, so that the drive chain can be folded down in the gap and removed. As compared with the case where the connection is made to vertically hang down, there is an excellent effect that the whole can be made extremely compact and the space efficiency can be greatly improved.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view of the overall configuration.

FIG. 2 is an explanatory diagram of an operation (1).

FIG. 3 is an enlarged explanatory view of a main part equivalent to the arrow X in FIG. 1;

FIG. 4 is an operation explanatory view (2).

FIG. 5 is an enlarged explanatory view of a main part equivalent to the arrow Y in FIG. 4;

FIG. 6 is an explanatory perspective view showing another embodiment.

FIG. 7 is an explanatory perspective view of a main part showing another embodiment.

FIG. 8 is an overall explanatory diagram illustrating a conventional technique.

[Explanation of symbols]

 d ... gap 11 ... support member 11a ... hypotenuse 12 ... stopper member 13 ... adjusting member 21 ... drive sprocket 22 ... drive chain

Claims (3)

(57) [Claims] 1. A pair of support members each having a hypotenuse at an upper portion thereof and corresponding to a free end side of a drive chain hanging from a drive sprocket such as a hoisting device, and a stopper member disposed at a lower end of the hypotenuse. The support member is opposed to the drive chain in parallel with a gap through which the drive chain can pass up and down, while the oblique side is configured to sequentially engage engagement portions projecting from both sides of the drive chain. A drive chain storage device such as a hoisting device. 2. The drive chain storage device according to claim 1, wherein three or more support members are provided corresponding to a plurality of drive chains. 3. The drive chain storage device according to claim 2, wherein the support member is provided with an adjusting member for adjusting an engagement position of the drive chain with the oblique side.