JPH11223039A - Shifter for pallet in elevator type multistory parking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten the shifting time of a pallet between a housing space and a carriage. SOLUTION: Engaging pins 23a, 23a are projected from shifting chains 23, 23 loaded on a carriage 21 respectively. The engaging pins 23a, 23a,... are reciprocated from the places of retreat in the lower section of the carriage 21 to the places of holding, where pallets P are held on the carriage 21, through the places of engagement engaged with the hook sections of the pallets P in housing spaces S2 through the shifting chains 23, 23, and the pallets P can be displaced horizontally among the housing spaces S2 and the carriage 21 without longitudinally moving the shifting chains 23, 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet for an elevator-type multi-story parking device capable of smoothly transferring a vehicle via a pallet between a carriage of an elevator device and a housing space for housing the vehicle. Transfer device.

[0002]

2. Description of the Related Art An elevator type multi-story parking device is constructed by incorporating an elevator device for vertically transporting a vehicle into a storage structure for storing a vehicle in multiple stages.

A conventional elevator apparatus has a carriage for vertically transporting a vehicle via a pallet, and the carriage is equipped with a transfer chain with an engagement piece that moves back and forth via a moving frame. The accommodation structure is formed with an upper and lower multi-stage accommodation space for accommodating a vehicle via a pallet, and a transport space in which the carriage moves up and down.

[0004] Therefore, in the elevator apparatus, the carriage is stopped in front of the storage space, the transfer chain is advanced through the moving frame into the storage space, and the transfer chain is rotated to move the engagement piece to the pallet. Engage,
By moving the pallet in the storage space horizontally on the carriage and returning the transfer chain to the carriage, the pallet can be transferred onto the carriage. Also,
When loading the pallet on the carriage into the storage space, move the transfer chain forward into the storage space, rotate the transfer chain to store the pallet in the storage space, and return the transfer chain onto the carriage. I just need. Support rollers for movably supporting the pallets are provided in the storage space and the carriage.

[0005]

According to the prior art, the transfer chain needs to be moved back and forth through the moving frame, which complicates the overall structure, increases the overall weight of the carriage, and There has been a problem that the pallet transfer time becomes longer, and the vehicle entry / exit time tends to be too long.

In view of the above-mentioned problems in the prior art, it is an object of the present invention to move the transfer chain back and forth by appropriately determining the movement trajectory of the engaging pin projecting from the transfer chain on the carriage. An object of the present invention is to provide a pallet transfer device in an elevator-type multi-story parking device that can simplify the entire configuration and shorten the pallet transfer time.

[0007]

According to a first aspect of the present invention, there is provided a transfer chain mounted on a carriage, and an engaging pin protruding from the transfer chain. The gist of the present invention is to reciprocate from the retracted position at the lower portion of the carriage to the holding position for holding the pallet on the carriage via the engaging position for engaging the hook portion of the pallet in the storage space.

The transfer chain can rotate and run in the vertical direction, and can be provided at both ends of the carriage.

Further, the transfer chain has two engagement pins, and the engagement pins can individually correspond to pallets in the accommodation spaces on both sides of the carriage.

Further, a supporting roller for movably supporting the pallet is provided in the accommodation space and the carriage, and the transfer chain can move the pallet on the supporting roller via an engaging pin.

[0011]

According to the structure of the invention, the engagement pin is
By moving from the retracted position at the lower part of the carriage to the holding position via the engaging position via the transfer chain, the pallet in the storage space can be transferred onto the carriage and held as it is. By moving from the holding position to the retreat position via the engagement position, the pallet on the carriage can be transferred to the storage space. In addition, the engagement pin is in the retracted position,
It does not interfere with the pallets in the storage space, and there is no risk of hindering the elevation of the carriage. However, it is assumed that the pallet is formed with a hook portion that is open at one end so that the engaging pin that draws a circular orbit can be freely engaged and disengaged as the transfer chain rotates.

[0012] The transfer chain which rotates and runs in the vertical direction,
The engaging pin is moved vertically with respect to the hook portion of the pallet to be disengaged. That is, the hook at this time is
The pallet can be formed in the upper opening or the lower opening to be compact in the moving direction of the pallet. In addition, the engaging pin is disengaged from above with respect to the hook portion which is open at the top,
It shall be disengaged from below with respect to the hook part which is open at the bottom.

When the transfer chains are provided at both ends of the carriage, the engaging pins of each transfer chain are simultaneously engaged with the hook portions at both ends of the pallet, so that the pallet can be easily moved in parallel. Guide structure can be simplified.

When two engaging pins are attached to the transfer chain, each of the engaging pins can set a retreat position near each of the engaging positions, thereby further shortening the pallet transfer time. can do.

When the support roller is provided in the accommodation space or the carriage, the transfer chain and the engagement pin can move the pallet on the support roller lightly.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

The pallet transfer device in the elevator type multi-story parking device includes transfer chains 23, 23 mounted on both ends of a carriage 21, and engagement pins 23a, 23a protruding from each transfer chain 23. (Figure 1).
However, the carriage 21 forms an elevator apparatus for vertically transporting the vehicle, and is incorporated in the housing structure 10.

The housing structure 10 includes main pillars 11, 11,.
.., And beam members 13, 13. The storage structure 10 includes a carriage 2
A transport space S1 in which the transport space 1 moves up and down, and storage spaces S2 and S2 disposed adjacent to both sides of the transport space S1 are formed. The transport space S1 vertically penetrates the storage structure 10 vertically, and the storage spaces S2,
S2 are arranged in upper and lower stages along the transport space S1.

Each of the storage spaces S2 has a support roller 1
The pallets P on which vehicles are loaded are accommodated via the four, four,... Horizontally movable (FIGS. 1, 2). The support rollers 14, 14,... Are disposed on the left and right sides of the accommodation space S2 via the support frames 14a, 14a, and each support frame 14a is attached to the auxiliary pillar 12, 12, via the brackets 14b, 14b. Have been. At the rear end of each support frame 14a, a stopper 15 is provided via a bracket 15a for regulating the storage limit of the pallet P,
At the front end, a rectangular tubular engagement bracket 16 and a hook-shaped lock member 17 are attached.

The pallet P is a rectangular plate on which one vehicle can be loaded. On the upper surface of the pallet P, there is a reinforcing part P
2, P2... In the longitudinal direction of the tire traveling paths P1, P2
1 are formed, and a support frame 14a,
Guide rails P3, P3 corresponding to 14a are provided at both ends (FIGS. 2, 3). At the four corners of the pallet P, hook portions P4, P4,... Each hook portion P4 is formed by combining a base plate P4a, a top plate P4b, and long and short engagement plates P4c and P4d, and is opened outward in the longitudinal direction of the pallet P. The engagement plate P
The lower ends of 4c and P4d are formed obliquely inward.

Each engagement bracket 16 has a mounting plate 16a,
It is screwed to the lower surface of the front end portion of the support frame 14a via 14c (FIGS. 2 and 4). Also, each lock member 1
7 is an auxiliary member 17 with a bolt 17b and a mounting plate 17c1.
c, are mounted on the outside of the front end of each support frame 14a via spacers 17c2, 17g2, 17g2 so as to be vertically swingable (FIGS. 4 and 5).

The lock member 17 is a deformed plate member having an upwardly-facing hook 17a at the tip end thereof. A drive member 17e and a support rod 17d1 are attached to the front and rear, respectively, via a connecting member 17d. However, the front end of the drive member 17e is inserted into the engagement bracket 16 to form an obliquely upward guide surface 17e1, and the support rod 17d1 is provided with the lock member 17 between the connecting member 17d and the pressing member 17g. An upwardly biasing spring 17f is interposed. The holding member 17g is made up of spacers 17g2, 1
7g2, and is suspended from the support frame 14a.
The rear end of the support rod 17d1 penetrates through the long hole 17g1 of the holding member 17g in the front-rear direction.

Each lock member 17 corresponds to a hook portion P4 of the pallet P in the storage space S2 (FIGS. 5 and 6). That is, the lock member 17 is biased to the lock position (solid line in FIG. 5) through the spring 17f, where the hook 17a is engaged with the hook portion P4 of the pallet P in the storage space S2 to lock the pallet P. By swinging the hook 17a downward against the spring 17f, the hook 17a can be set at the release position (indicated by the dashed line in the figure) where the hook 17a is disengaged from the hook portion P4. However, the lock member 17 allows the engagement member 24 having the engagement roller 24 c at the tip to enter the engagement bracket 16 from the carriage 21 side, and the engagement roller 2
4c, the driving member 17e is driven to the release position by pushing down the driving member 17e through the guide surface 17e1.

The carriage 21 includes wire ropes W, W ...
(See FIGS. 1 and 7). In the transport space S1, a counter weight 29 interlocking with the carriage 21 is suspended via wire ropes Wa and Wa.

The carriage 21 includes vertical members 21a, 21a,
The horizontal members 21b, 21b are combined to form a substantially H-shaped frame. The carriage 21 has a support frame 22
are mounted at both ends of the upper surface of the pallet P via a and 22a so that the pallet P can move horizontally. The support frames 22a and 22a are supported by the support frames 14a and 22a in the respective accommodation spaces S2 on both sides. 14a, they are arranged in a straight line. At the four corners of the carriage 21,
In order to guide the carriage 21 in the vertical direction, guide members 21c provided with guide rollers (not shown) are provided.
Is erected. Further, the carriage 21 has legs 21d1 and 21d at one end farther from the counter weight 29.
A tread 21d having d1... is provided.

The vertical members 21a, 21a are longer than the entire length of the pallet P, and the horizontal members 21b, 21b, the auxiliary members 21a1, 21a.
a1... are connected. In addition, two auxiliary materials 2
1a1 and 21a1 are arranged corresponding to the support frames 22a and 22a. Each cross member 21b is sufficiently longer than the entire width of the pallet P, and the vertical members 21a, 21a are connected to the cross member 21b via downward auxiliary members 21b1, 21b1. Therefore, both ends of the cross members 21b, 21b protrude toward the storage spaces S2, S2 on both sides. In addition,
Are connected to the guide members 21c, 21c on the one side member 21b side and the other side member 21b, and the carriage 21 operates the drive mechanism (not shown) so that the wire ropes W, W,. It is possible to move up and down in the transport space S1 through W.

The carriage 21 has cross members 21b, 21b
Transfer chains 23, 23 are provided inside each of them (FIG. 1). Each transfer chain 23 is of a two-row chain type (FIG. 3), and has two engagement pins 23a, 23a projecting inward (FIGS. 7 and 8). Each transfer chain 2
3 are sprockets 23b, 23 at both ends of the cross member 21b.
b, intermediate sprockets 23c1, 23c, 23c1
The sprockets 23b, 23b project around the sprockets 23b, 23b, and can rotate vertically in the housing spaces S2, S2. The sprockets 23c1, 23c, 23c1 are mounted on a bracket 21b2 at an intermediate portion of the cross member 21b. The sprockets 23c, 23c on both sides are connected to a drive chain 23d,
It is connected to a common shaft 23e via 23d. Each drive chain 23d has a sprocket 23d1 coaxial with the sprocket 23c and a sprocket 23 at the tip of the shaft 23e.
d2, wound around a tension sprocket 23d3.

The shaft 23e is connected to a motor 23g via another drive chain 23f. The shaft 23e is rotatably held along the lower surface of the vertical member 21a via the auxiliary members 21b1 and 21b1. Also, the motor 23g is
A longitudinal motor 21a, 21
It is installed on auxiliary members 21a1 and 21a1 for connecting a through a base plate 23g1. Therefore, the transfer chains 23, 23 can be rotated and driven synchronously by operating the motor 23g in the forward and reverse directions.

One engagement pin 23 on the transfer chain 23
9A shows that the transfer chain 23 is rotated in the direction of arrow K1 in FIG. 9 so that the hook portion P4 of the pallet P in one storage space S2 can be moved from the retracted position (the dashed line in FIG. 9) below the carriage 21. The engagement position (FIG. 3,
9 can be moved to the holding position on the carriage 21 (two-dot chain line in FIG. 9), and at this time, the other engagement pin 23a is moved to its own retracted position (in FIG. 9). (Dotted line) to the retracted position of another engagement pin 23a (dashed line in the same figure). Also, the transfer chain 23
Is rotated in the direction opposite to the direction of arrow K1 in FIG. 9, so that one engagement pin 23a returns from the holding position to the retracted position (the dashed line in FIG. 9) via the engagement position, and the other engagement pin 23a Returns to its own retracted position (dotted line in the figure). Then, when the transfer chain 23 is further rotated in the same direction, the other engaging pin 23a moves from its own retracted position (dotted line in the figure) to the holding position via the engaging position.

That is, the engaging pins 23a, 23a move from the respective retracted positions to the respective holding positions through the respective engaging positions, and from the respective holding positions to the respective engaging positions, the retracting positions. Can be moved to the evacuation position of the opponent. At this time, the engaging pins 23, 23 at this time engage with the hooks P4, P4 of the pallets P, P in the storage spaces S2, S2 on both sides of the carriage 21, respectively, at the respective engaging positions. , P individually. However, the transfer chains 23, 23 stop the engaging pins 23a, 23a at their respective holding positions and retracting positions via a proximity sensor, limit switch, or the like (not shown).

The carriage 21 has a support frame 22
a and a pair of engaging members 24, 24... are respectively mounted on the left and right sides (FIGS. 7 and 10). Each engaging member 24 is connected to a vertical member 21 of the carriage 21 via upper and lower guide rollers 25, 25, and a rear cylinder 26.
a, the supporting frame 22a, and the auxiliary member 21a1 so as to be movable back and forth. In addition, in the vertical member 21a,
An opening through which the engaging member 24 penetrates is formed. The engaging member 24 has guide grooves 24a, 24a on the upper and lower sides, and slide plates 24b, 24b on the left and right, and an engaging roller 24c is rotatably mounted at the tip.

The guide rollers 25, 25,...
1a, a pair of support plates 25b attached to the inside and outside
5b, and is engaged with upper and lower guide grooves 24a, 24a. The upper portions of the inner support plates 25b, 25b and the outer support plates 25b, 25b are connected via a common connecting plate 25c, and the base plate 22 is provided on the connecting plate 25c.
The support frame 22a is fixed via c and 22c. The lower portions of the outer support members 25b, 25b
d, and the connecting plate 25d is connected to the auxiliary material 2
1a1.

Cylinder 26 for driving each engagement member 24
Is connected to a bracket 26b standing on the auxiliary member 21a1. The bracket 26b is attached to the mounting plate 26.
b1 supports the intermediate portion of the support frame 22a via the base plate 22c.

The cylinders 26, 26...
(See FIG. 1, FIG. 1).
(FIG. 7). The hydraulic unit 27 is installed on auxiliary members 21a1 and 21a1 of the carriage 21 via support members 27a and 27a. The hydraulic unit 27 includes a cylinder 26,
26, the engaging member 24 on one side of the carriage 21;
It can be moved back and forth every 24. That is, the respective engaging members 24 extend and retract the corresponding cylinders 26 so that the retracting positions (solid lines in FIG. 5) in the transport space S1 and the engaging positions (the engaging positions where they enter and engage the corresponding engaging brackets 16). A drive position (a dash-dot line in the figure) that drives the lock member 17 to the release position via the engagement roller 24c and the drive member 17e can be taken. Each cylinder 26 is provided with a sensor (not shown) corresponding to the retracted position, the engaged position, and the driven position of the engaging member 24.

The pallet transfer device in the elevator type multi-story parking device operates as follows. In the following description, the pallet P may be an actual pallet loaded with a vehicle (not shown) or an empty pallet loaded with no vehicle.

When the carriage 21 is moved up and down into the transport space S1, all the engaging pins 23a, 23a,... Are brought to a standby position via the transfer chains 23, 23 (FIG. 8), and the cylinders 26, 26,. Through the engaging member 2
4, 24... Are retracted to the retracted position (solid line in FIG. 5, FIG.
2 (A)). At this time, the engaging pins 23a, 23a, ..., the engaging members 24, 24, ... are contained in the transport space S1, and therefore, the carriage 21 can be freely raised and lowered. In addition, the pallets P in each storage space S2 are supported by the support rollers 1 via the lock members 17, 17.
4, 14 ... locked on top.

When the pallet P in an arbitrary storage space S2 is transferred onto the carriage 21, the carriage 21 is stopped at the front of the storage space S2, and the engaging members 24, 24 on the storage space S2 are driven. The lock members 17, 17 are driven to the release position, and the engagement members 24, 24 on the opposite storage space S2 are advanced to the engagement position, by moving the lock members 17, 17 to the release position (FIG. 12B). The engaging brackets 16 are engaged. The engaging members 24, 24 ...
The carriage 21 can be stably supported by engaging with the corresponding engagement brackets 16.
That is, when transferring the actual pallet, the carriage 2
Even if a large eccentric load is applied to
1 can maintain a horizontal state via the engaging members 24, 24...

Next, the transfer chains 23, 23 are shown in FIG.
2C, the pallet P in the storage space S2 is moved onto the carriage 21 by moving the corresponding engaging pins 23a, 23a to the holding position via the engaging position. (Dot-and-dash line in FIG. 2C, FIG. 2D). Engaging pin 23a, 2
3a is a hook portion P4 of the pallet P at the engagement position;
., 22, 22,...
This allows the pallet P to be moved horizontally on the carriage 21 via the. The pallet P on the carriage 21 can be stably held via the engaging pins 23a at the holding position. Then, all the engaging members 24, 24,... Are retracted to the retracted position (FIG. 10E), and the carriage 21 may be moved up and down to a predetermined position.

When carrying the pallet P on the carriage 21 into the storage space S2, the carriage 21 is stopped at the front of the storage space S2 (FIG. 12E), and the engaging member 24 on the storage space S2 side is used. , 24 to the drive position to drive the lock members 17, 17 to the release position, and to advance the other engagement members 24, 24 to the engagement position, and to the holding position via the transfer chains 23, 23. The pallet P is moved to the retracted position through the engaging position to move the pallet P to the storage space S.
2 and then all the engaging members 24, 24... Are retracted to the retracted position (FIG. 1A). At this time, the engagement pins 23a, 23a can be disengaged from the hook portion P4 by moving to the retreat position via the respective engagement positions.

That is, the carriage 21 is mounted on the pallet P
Transports the vehicle vertically through the transfer chains 23, 23,
The vehicle can be carried in and out of the storage space S2 together with the pallet P via the engaging pins 23a, 23a,..., And the pallet P can be transferred between the carriage 21 and the storage space S2.

In the above description, the engagement pins 23a,
3a are hook portions P of the upper portion of the pallet P, respectively.
4 On the other hand, each transfer chain 2 may be engaged from above.
Only one for 3 may be provided. Further, instead of rotating the transfer chains 23 and 23 in the vertical direction, the transfer chains 23 and 23 may be rotated in the horizontal direction and engaged with the hook portions P4 which open the respective engaging pins 23a in the horizontal direction. Further, each transfer chain 23 may be replaced with a wire rope, a timing belt, or the like.

The storage spaces S2, S2 may be formed on both sides of the short side instead of being formed on both sides of the long side of the carriage 21, and may be formed only on one side of the long side or the short side. It may be formed.

[0043]

As described above, according to the present invention, an engaging pin is projected from a transfer chain mounted on a carriage, and a movement locus of the engaging pin is appropriately set, whereby the engaging pin is moved. Can move the pallet horizontally between the storage space and the carriage without moving the transfer chain back and forth, thus simplifying the overall configuration, reducing the overall weight of the carriage, and reducing the pallet transfer time. And it is possible to shorten the vehicle entrance / exit time.

[Brief description of the drawings]

FIG. 1 is an explanatory plan view of the entire configuration.

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

FIG. 3 is a perspective explanatory view corresponding to an arrow X in FIG. 2;

FIG. 4 is an enlarged exploded perspective view of a main part (1).

5 is an explanatory side view corresponding to the arrow Y1 in FIG. 4;

FIG. 6 is a front view corresponding to the line Y2-Y2 in FIG. 4;

FIG. 7 is an enlarged perspective view of a main part (2).

FIG. 8 is a drive system diagram of the transfer chain.

FIG. 9 is an enlarged schematic illustration of a main part.

FIG. 10 is an enlarged exploded perspective view of a main part (2).

FIG. 11 is an enlarged cross-sectional view corresponding to line ZZ in FIG. 10;

FIG. 12 is an explanatory diagram of an operation.

[Explanation of symbols]

 S2 ... accommodation space P ... pallet P4 ... hook part 14, 22 ... support roller 21 ... carriage 23 ... transfer chain 23a ... engagement pin

Claims (5)

[Claims] A transfer chain mounted on a carriage;
An engagement pin projecting from the transfer chain, the engagement pin being engaged with the hook portion of the pallet in the storage space from the retracted position at the lower part of the carriage via the transfer chain. A pallet transfer device in an elevator-type multi-story parking device, which reciprocates to a holding position for holding a pallet on a carriage via a combined position. 2. The pallet transfer device according to claim 1, wherein the transfer chain rotates in a vertical direction. 3. The pallet transfer device according to claim 1, wherein the transfer chains are provided at both ends of a carriage. 4. The transfer chain according to claim 1, wherein the transfer chain has two engagement pins, and the engagement pins individually correspond to pallets in a storage space on both sides of the carriage. A pallet transfer device in the elevator-type multi-story parking device according to any one of claims 3 to 3. 5. A supporting roller for movably supporting a pallet is provided in a housing space and a carriage, and the transfer chain moves the pallet on the supporting roller via the engaging pin. A pallet transfer device in the elevator-type multi-story parking device according to any one of claims 1 to 4.