JPH09144364A - Pallet traversing device - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To reduce the manufacturing cost of pallets. A pallet traversing device according to the present invention is provided with a plurality of vertically arranged shelves for storing a pallet for mounting a vehicle,
A pallet provided in a cage of an elevator parking apparatus having a cage that moves up and down along the shelves, and a pallet mounted on the cage or the shelves is traversed to move the pallets between the shelves and the cages. A traverse device, which is an endless chain stretched in the width direction of a cage, a two-joint link provided so as to project from the endless chain, and supported by the two-joint link, and an upper portion is open, It is provided with a channel member for engaging a pin fixed to the end of the pallet, and vertical maintaining means for always maintaining the channel member vertically at any position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator parking apparatus, and more particularly to a pallet traversing apparatus for moving a car between a shelf and a cage.

[0002]

2. Description of the Related Art There is an elevator-type parking apparatus in which a cage on which a car is placed is lifted up and down by a rope and stored in a predetermined shelf.

A conventional elevator type parking device is shown in FIGS.
Shown in FIG. 6 is a front view of such an elevator parking apparatus, and FIG. 7 is a side view.

In the figure, 1 is a building of an elevator type parking system,
2 is an entrance and exit provided on the ground of the building 1, 3 is the building 1
A hoistway provided at the center of the hoistway 4, a cage for hoisting the hoistway 3 inside, and 5 shelves provided on both sides of the hoistway 3, 6
Is a pallet for transferring the car 7 from the cage 4 to the shelves 5 and from the shelves 5 to the cage 4, and 8 is a roller guide provided on the cage 4 and each shelf 5 for guiding the traversing of the pallets 6. , 9 is a turntable with a jack-up mechanism provided in a pit 10 below the hoistway 3, 11
Is a lifting device provided at the upper part of the building 1, 12 is a rope whose one end is connected to the cage 4 and is moved up and down by the lifting device 11, 14 is a drive motor of the lifting device 11, 15 is a speed reducer of the lifting device 11, 16 is a drive sprocket for the lifting device 11, 17 is an idler sprocket for the lifting device 11,
Reference numeral 18 is a counterweight that is suspended by a rope 12 to balance with the cage 4, and 19 is a steel structure material for an elevator parking apparatus.

When the vehicle 7 is put in, the vehicle 7 is introduced from the doorway 2 into the building 1 of the elevator type parking system, stopped on the turntable 9, and then the turntable 9 is driven to move the pallet 6 together. Rotate 90 degrees.

Next, the lifting device 11 is driven to drive the rope 12
By moving up and down, the cage 4 together with the vehicle 7 is raised along the hoistway 3 and aligned with the shelf 5 to be stored.

Thereafter, a transfer device, which will be described later, provided on the cage 4 is driven to guide the automobile 7 together with the pallet 6 to the cage 4 and the roller guides 8 of the corresponding shelves 5 to move laterally to the shelves 5. Store.

When the vehicle 7 stored in the shelf 5 is unloaded, the procedure substantially opposite to the above is carried out.

Next, a conventional pallet traversing device will be described. FIG. 8 is a front view of the cage 4 having the traverse device, and FIG. 9 is a partial plan view of the cage 4 having the traverse device.
Although FIG. 9 shows the front portion of the cage 4, the rear portion has substantially the same structure except that there is no drive unit. FIG. 10 is a front view of the pallet 6. 2 in the figure
Reference numeral 0 is a pallet traversing device. 20a is a chain stretched over the entire width in the width direction of the cage 4, and is stretched around two chain sprockets 20g at the upper part and two at the lower part. Reference numeral 20b is a two-bar link that is provided so as to project from the chain 20a.
0c is provided so as to project to both sides. A drive motor 20d has a chain sprocket 20k fixed to the tip of the shaft. 20f is a cross shaft, bearing 20
A chain sprocket 20g is fixed to the tip end of the chain sprocket 20h, and a chain sprocket 20h is fixed to the middle part. The chain sprocket 20k at the tip of the drive motor 20d and the chain sprocket 20h attached to the middle portion of the cross shaft 20f are connected via a chain 20i. Reference numeral 8 denotes the roller guide described above, which has the vertical roller 8a and the horizontal roller 8b. The lower surface of the rail 6a fixed to the lower surface of the pallet 6 is supported by the vertical roller 8a, and the side surface of the rail 6a is horizontal roller. It is designed to be guided by 8b.

Numeral 4a is a bracket fixed to the four corners of the cage 4, and ropes 12 are connected to this portion to suspend the cage 4. Reference numeral 21 is a groove-shaped member having an open bottom, and two sets of front and rear are attached to one side surface of the pallet.

Next, the operation of the traverse device 20 will be described. Shelf 5
When the pallet 6 is moved to the cage 4 from the above, the pin 20c enters from below the channel member 21 attached to the side surface of the pallet 6 placed on the shelf 5, as shown in FIG. Since the pin 20c moves on the locus 20j as the chain 20a moves, the pallet 6 moves on the guide roller 8 and is transferred from the shelf 5 to the cage 4. Cage 4 to shelf 5
When transferring to, the procedure is the reverse of the above.

In the above description, two chains 20a are provided on the cage 4 in the front and back, but one chain may be provided in the middle portion of the cage 4. Since the pallet 6 is dedicated to the left or right shelf 5, the channel member 21 may be provided on the right side of the pallet 6 for the left shelf 5, and for the right shelf 5 on the left side of the pallet 6. Just do it.

[0013]

The pallet traversing device of the elevator type parking device as described above has the following problems. 30 for normal elevator parking
Since ~ 32 shelves 5 are provided on the left and right, and the pallets 6 are placed on the respective shelves 5, the number of pallets is required to be 60 to 64 per parking device. Although the groove-shaped member 21 is attached to each pallet, it is difficult to manufacture the groove-shaped member 21 and the number is large, which causes a cost increase.

The present invention has been devised in view of the above problems of the prior art, and an object thereof is to reduce the cost by eliminating the groove-shaped member provided on the side surface of the pallet.

[0015]

In order to achieve the above object, a pallet traversing device of the present invention is provided with a multi-stage in a vertical direction, a shelf for accommodating a pallet on which a vehicle is placed, and a cage that moves up and down along the shelf. A pallet traversing device that is provided in a cage of an elevator-type parking device including and that traverses a pallet placed on a cage or a shelf to move the pallet between the shelf and the cage. An endless chain stretched across in the width direction, a two-joint link extending from the endless chain, and a pin supported by the two-joint link and having an open top and fixed to the end of the pallet. It comprises engaging channel members and vertical maintaining means for keeping the channel members always vertical in any position.

The vertical maintaining means for the groove-shaped member includes an endless chain of the same shape arranged in parallel in the vicinity of the endless chain and with the cage being shifted in position when viewed from the front, and protruding from the chain. The two-joint link provided on one endless chain and the two-joint link protruding from the other endless chain and the two-joint link protruding from the other endless chain are displaced by the displacement of the positions of the two chains. The channel member may be maintained vertically by connecting the channel member to the channel member from both sides.

Further, the vertical maintaining means of the channel member includes a channel guide member provided in the vicinity of the endless chain, and the guide member is the channel member supporting portion of the two-bar link. Has the same shape as the path traced by the movement of the chain, and is arranged parallel to the cage with its position being offset from the path when viewed from the front. The protrusion may be configured to travel while being guided in the groove of the guide member.

Since the groove members are attached to the pallet traversing device provided in the cage, and the pins engaging with the groove members are attached to each pallet, the number of groove members that are difficult to manufacture is small. Therefore, the cost of the pallet can be reduced and the cost of the entire apparatus can be reduced.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The relationship between the shelves 5 and the cage 4 has already been described in the prior art, and therefore will not be described. Here, the vertical maintaining means for the channel members of the pallet traversing device, particularly the pallet traversing device, will be described in detail.

FIG. 1 is a partial front view of a pallet traversing device of the present invention, and FIG. 2 is a partial plan view of the same. FIG. 3 is a front view of the pallet. Unlike the pallet 6 shown in FIG. 10 described above, the pallet 50 shown in FIG. 3 has wheels 50a at the lower portions of the four corners. Therefore, what is provided on the shelf 5 or the cage 4 is not a roller guide 8 but an ordinary rail. Further, as shown in FIG. 10, the pallet 50 is not attached with the groove-shaped member 21 whose lower side is opened. Instead, the bracket 30 is attached to the front and rear of the end portion in the width direction.
Is attached, and the pin 31 is horizontally attached to the tip of the bracket.

1 and 2, reference numeral 40 denotes a pallet traversing device. The pallet traverse device 40 is located outside the conventional traverse device 20 (corresponding to the traverse device 41 in FIGS. 1 and 2) described with reference to FIGS. The endless chains 42a having the same shape are arranged in parallel with each other so as to be shifted, and thereby the channel member 44 described later is always maintained vertically (vertical maintaining means). Reference numeral 41 in the figure is a traverse device corresponding to the conventional traverse device 20 described in FIGS. 8 and 9, and has an endless chain 41a stretched over the entire width of the cage (not shown) in the width direction. Reference numeral 41b is a drive chain sprocket provided at the widthwise end of the cage. The drive chain sprocket 41b is a cross shaft 41c.
Is fixed to the end. The cross shaft 41c is rotatably supported by a bearing 41d. The cross shaft 41c is rotationally driven by a driving device (not shown).
On the opposite side of the drive sprocket 41b from the cross shaft 41c, a sprocket 41 is provided via a short shaft 41f.
e is fixed.

Reference numeral 42 is a vertical maintaining means for the channel member 44. The vertical maintaining means 42 has an endless chain 42a that is arranged parallel to the outside of the endless chain 41a of the traverse device 41 and is displaced upward. 42b
Is a driven chain sprocket. Reference numeral 42c is a shaft that supports the driven chain sprocket 42b.
It is rotatably supported by d. 42e is a shaft 42c
The sprocket is fixed to the end of the drive sprocket, and is connected to the sprocket 41e fixed to the drive sprocket 41b through a chain 47. The sprocket 41e and the sprocket 42e have the same diameter, and the drive sprocket 41b and the driven sprocket 42b have the same diameter. Therefore, the endless chain 41a and the endless chain 42a run at the same speed.

The endless chain 41a and the endless chain 42a are provided with two-node links 43a and 43b, respectively, which project from the tip of the two-node link 43a so that the rod 45a extends outward from the tip of the two-node link 43b. The rods 45b are provided so as to project horizontally toward the inside. Reference numeral 44 is a groove-shaped member having an opening at the top, and is located in the middle of the endless chain 41a and the endless chain 42a in a plan view. The tip of the rod 45a is at the lower end of the channel member 44, and the tip of the rod 45b is at the channel member 4
It is pivoted in the middle of each of 4. The vertical displacement of the pivot points of the channel member 44 and the rods 45a, 45b is the same as the vertical displacement of the endless chains 41a, 42a.

Next, the operation of the present embodiment will be described. The endless chain 41a and the endless chain 42a are arranged parallel to each other with their positions displaced in the vertical direction, and run in synchronization with each other, so that the channel member 44 runs vertically in the width direction of the cage 4. . The channel member 44 engages with the pin 31 provided on the side surface of the pallet 50 as shown in FIG. 3, so that the pallet 50 can be moved from the shelf 5 to the cage 4 or from the cage 4 to the shelf 5.

Next, another embodiment will be described. FIG.
FIG. 5 is a partial front view of another embodiment of the pallet traversing device of the present invention, and FIG. 5 is a partial plan view of the same. In this embodiment, a groove-shaped guide member is used as the vertical maintaining means for the groove-shaped member 44 instead of straddling an endless chain having the same shape on the outside of the conventional traverse device, as compared with the above-described embodiment. Different. This will be described below with reference to FIGS. 4 and 5. Reference numeral 41 in the figure is the same as the traverse device described with reference to FIGS. 1 and 2, and a description thereof will be omitted. In the figure, 48 is an endless chain 4.
It is a locus | trajectory of the front-end | tip part (supporting part of the groove-shaped member 44) of the 2 joint link 43a attached to 1a. Reference numeral 60 is provided outside the endless chain 41a, has the same shape as the above-mentioned locus 48, and is vertically displaced with the position deviating downward when the cage 4 is viewed from the front and arranged in parallel with the locus 48. It is a guide member as a means. Reference numeral 44 denotes a groove-shaped member having an upward opening, and one surface thereof is pivotally supported by a rod 45a protruding from the two-node link 43a. A projection 61 horizontally projects outward from the other surface of the channel member 44, and the tip of the projection 61 (having a roller) is guided in the groove of the guide member 60 so as to travel. Has become. The vertical displacement between the protrusion 61 and the rod 45a is the same as the vertical displacement between the locus 48 and the center line of the guide member 60.

Next, the operation will be described. Since the guide member 60 has the same shape as the locus 48 and is arranged in parallel with the position shifted downward, and the protrusion 61 travels in the groove of the guide member 60, the groove member 44 is always vertically upward. Drive in.

The pallet traversing device of the present invention is not limited to the above embodiment. For example, the endless chain 42a serving as the vertical maintaining means has been described as being vertically displaced from the endless chain 41a, but may be horizontally or obliquely displaced. In that case, the direction and size of the positional deviation may be the same as the deviation of the pivoting position of the channel member 44. The same applies to the displacement of the position of the guide member 60 as the vertical maintaining means.

Further, the pallet has been described as having wheels at four corners as shown in FIG. 3, but it may have rails 6a on the lower surface as shown in FIG. Further, although the endless chains of the traversing device have been described as being provided at the front and the rear of the cage, respectively, one line may be provided at the middle portion of the cage.

[0029]

As described above, in the pallet traversing device of the present invention, since the groove member is attached to the traverse device side and the pin engaging with the groove member is attached to the pallet side,
Since the number of groove-shaped members that are expensive to manufacture can be reduced and the cost of manufacturing the pallets can be reduced, the cost of the entire apparatus can be reduced.

[Brief description of the drawings]

FIG. 1 is a partial front view of a pallet traversing device of the present invention.

FIG. 2 is a partial plan view of a pallet traversing device of the present invention.

FIG. 3 is a front view of a pallet.

FIG. 4 is a partial front view of another embodiment of the pallet traversing device of the present invention.

FIG. 5 is a partial plan view of another embodiment of the pallet traversing device of the present invention.

FIG. 6 is a front view of a conventional elevator drive device.

FIG. 7 is a side view of a conventional elevator type driving device.

FIG. 8 is a front view of a cage having a conventional pallet traversing device.

FIG. 9 is a partial plan view of a cage having a conventional pallet traversing device.

FIG. 10 is a front view of a pallet.

[Explanation of symbols]

 4 Cages 5 Shelfs 6 Pallets 31 Pins 40 Pallet Traverse Device 41 Pallet Traverse Device 42 Vertical Maintaining Means 43 Two-Link Link 44 Groove Member 50 Pallet 60 Guide Member (Vertical Maintaining Means) 61 Protrusion

Claims (3)

[Claims] 1. A cage of an elevator-type parking apparatus, which is provided in multiple stages in the vertical direction and has a shelf for accommodating a pallet for mounting a car, and a cage that moves up and down along the shelf,
A pallet traversing device for traversing a pallet placed on a cage or a shelf to move the pallet between the shelf and the cage, which comprises an endless chain stretched across the width of the cage and the endless chain. -Bar links extending from the chain, a groove-shaped member supported by the two-bar links, having an opening at the top, and engaging with a pin fixed to the end of the pallet, and the groove-shaped member at any position. A pallet traversing device, which is also provided with vertical maintaining means for always maintaining vertical. 2. The vertical maintaining means for the groove-shaped member is an endless chain of the same shape, which is arranged in parallel in the vicinity of the endless chain and at a different position when viewed from the front of the cage,
A two-bar link extending from the chain, a two-bar link protruding from one of the endless chains and a two-bar link protruding from the other endless chain, which corresponds to the difference in position between the two chains. 2. The pallet traversing device according to claim 1, wherein the channel member is maintained vertically by connecting the channel member from both sides at a position displaced by only the distance. 3. The vertical maintaining means of the channel member has a channel guide member provided in the vicinity of the endless chain, the guide member supporting the channel member of the two-bar link. The part has the same shape as the locus that follows the movement of the chain, and is arranged parallel to the locus when viewed from the front of the cage, and is further provided so as to project from the groove-shaped member. 2. The pallet traversing device according to claim 1, wherein the projections are configured to travel while being guided in the grooves of the guide member.