JPH0419353B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a three-dimensional parking device for parking a large number of automobiles in multiple stages within a limited lot.

Conventional Technology In recent years, with the increase in the number of automobiles, it is necessary to secure parking lots in particularly high-traffic areas such as urban areas, and for this reason, multi-level parking systems that can accommodate a large number of automobiles in a limited installation space have been developed. It is widespread.

An example of the above-mentioned multilevel parking system is shown in FIG. 18 and will be described below.

In the drawings, 1 is a driving sprocket, 2 is a driven sprocket disposed vertically below the driving sprocket 1, 3 is a chain stretched between the driving sprocket 1 and the driven sprocket 2, 4, 4... 1 shows cages arranged at predetermined pitches in the chain 3 to accommodate automobiles therein.

The drive sprocket 1 is driven by a drive device (not shown) by appropriately switching the direction of rotation in both forward and reverse directions, and circulates the chain 3 wrapped around the drive sprocket 1 between it and the driven sprocket 2.

The cages 4, 4, .
The structure is such that it always maintains a horizontal state regardless of its position. The entrance/exit of the car is located at approximately the same position as the cage 4 at the lowest position [position P in Fig. 18].
It is formed in

To move a car in and out of the multi-story parking system, the drive sprocket 1 is rotated in forward and reverse directions as appropriate to move the cage 4 containing the desired car or the empty cage 4 to the lowest position.
Vehicles enter and exit through the entrance and exit provided at this location.

Problems to be Solved by the Invention As mentioned above, the conventional multilevel parking system described above has a structure in which cages 4, 4, . As a result, the following problems arose.

In the above-mentioned multi-level parking system, in order to move the predetermined cage 4 to the lowest entrance/exit when a car is taken in or out, it is necessary to move all the cages 4, 4, etc. by the circulation drive of the chain 3. Control for moving the cage 4 to the entrance/exit is complicated, and the drive source for the chain 3 also requires a high output power source. Furthermore, all the above cages 4,
4... and the weight of the car housed in the cages 4, 4... is supported by the chain 3 and the drive sprocket 1 of the chain 3, so a strong support structure is required and the device becomes large. At the same time, it becomes expensive.

Furthermore, regardless of the circulation direction of the chain 3, it is necessary to keep the cage 4 horizontal at all times, and the arrangement pitch of the cages 4, 4... and the drive sprocket 1 must be adjusted so that the cages 4, 4... do not interfere with each other. Since it is necessary to install a diameter, the improvement of space utilization is restricted.

Furthermore, it is extremely difficult to change the vehicle accommodating capacity of the device in response to changes in location conditions due to its structural limitations.

Means for Solving the Problems The present invention has been made in view of the above-mentioned problems, and includes a structure in which one of the storage racks 100 having a large number of storage stages is raised along the side of the storage rack 100.
A lifting device 300 having a lifting platform 310 that descends is provided, a transfer device 400 comprising a telescoping arm 410 is provided on the lifting platform 310, and the most advanced arm 46 of the telescoping arm 410 is provided.
0, an engagement device 500 that engages and disengages from the pallet 200 in connection with the telescoping operation of the telescoping arm 410.
The above-mentioned engagement device 500 is provided with locking claws 503a, 50 protruding from both ends in the diametrical direction.
3a, and a boss portion 5 protruding from both ends in the axial direction.
03b, 503c, and is rotatably supported on the side of the most advanced arm 460 of the telescoping arm 410; Therefore, the main shaft 508 is always biased in one direction, and the guide surfaces 506a and 507a, which are formed with a phase shift on both end surfaces of the boss portions 503b and 503c and have a constant inclination, are connected to the guide surfaces. The first and second notches 506 and 507 formed by the provided valleys 506b and 507b engage and disengage with the first and second notches 506 and 507 provided through the main shaft 508. It is composed of first and second positioning pins 515a and 515b, and when the telescoping arm 410 extends and retracts, the protruding end of the main shaft 508 is moved to the stopper member 1 on the storage rack side.
10, and by sliding the main shaft 508, the first and second positioning pins 515a, 515
b and the first and second notches 506, 507 are alternately fitted and disengaged, and the locking plate 503 is rotated by a predetermined angle to engage and disengage the locking pawl 503a and the pallet 200. This is a multi-level parking device that is characterized by:

Function The multilevel parking system according to the present invention places a car on a pallet, lifts and lowers the car together with the pallet by a lifting device to the height of a predetermined stage of a storage rack, and then lifts the car together with the pallet to the height of a predetermined stage of a storage rack. The above pallet is transferred between the lifting platform and the storage rack. At this time, the pallet and the engaging device are repeatedly engaged and disengaged to move the automobile in and out of each stage of each storage rack.

Embodiment FIGS. 1 to 17 show an embodiment of a multilevel parking apparatus according to the present invention.

In Figures 1 and 2, 100, 10
0' is a storage rack, 200 is a pallet, 300 is a lifting device, and A is a car.

The storage racks 100, 100' are frame-like structures constructed using appropriate shaped steel, and each of the storage racks 100, 100' stores a pallet 200 on which the automobile A is mounted, one on each stage. A total of three pallets can be stored, and one spare empty pallet 200' can be stored on the lowermost storage shelves 102, 102'. In the storage area of each of the pallets 200, 200', there are rails 101, 10 along the width direction (left and right direction in FIG. 1) on the front and back sides of the racks 100, 100'.
1... are arranged. And each rail 1 above
Stopper members 110, 110, etc., which will be described later, are arranged and fixed at predetermined positions inside the members 01, 101, and so on.

As shown in FIGS. 1 to 3, the pallet 200 includes shaped steel sections 201, 201..., 201', 2
01'... are combined in a grid pattern, and a metal plate 20 is placed on the top surface.
2, 202 are attached, and casters 203, 203, . . . for moving the pallet 200 in the width direction are disposed on both longitudinal ends thereof. Steps 205, 205 are provided on both sides in the width direction of the pallet 200 to facilitate the getting on and off of the vehicle A.
Hook members 210, 210, which will be described later, are provided at the locations.

Of the storage racks 100, 100', one of the storage racks 100 is provided with a lifting device 300.

The lifting device 300 is shown in FIGS. 1 and 2,
As shown in FIGS. 4 to 6, a lifting number 310,
Drive mechanism 400 and pallet 200 transfer device 4
00, and is arranged on the side of the storage rack 100 opposite to the storage rack 100'.

The above-mentioned lifting platform 310 has front and rear frames 311, 311', which are made of L-shaped steel sections, connected to a pipe 312.
They are also connected by a ladder-shaped connecting member 313, and on the upper surface of both ends of the connecting member 313 are rails 314, 3 similar to the rails 101, 101... provided on the storage racks 100, 100'.
14 are arranged in the same direction and at the same intervals as the rails 101, 101, . . . . Above frame 3
The vertical part of 11,311' is shown in Figures 4 and 5.
As shown in the figure, two types of guide rollers 316, large and small,
317 are arranged. The guide roller 31
6 and 317 are arranged at the upper and lower parts of the frames 311 and 311', respectively, and are brought into contact with the recesses of the I-beams 104 and 104' on both sides of the storage rack 100. The above large guide roller 316
As shown in FIG.
The lifting platform 310 is in contact with both sides of the concave portion 4'.
As shown in FIG. 8, the small guide roller 317
It comes into contact with the bottom surfaces of the recesses of the shaped steels 104, 104' to prevent the elevating table 310 from swinging or tilting in the longitudinal direction. Therefore, the elevating table 310 is always maintained in a horizontal state by the guide rollers 316, 317 and the recesses of the I-beams 104, 104' of the storage rack 100, so that the lifting platform 310 can move up and down the side surface of the storage rack 100. It is possible to rise and fall.

The drive device 350 is attached to the top of the storage rack 100 above the I-beams ₁₀₄ , 104' as shown in FIGS _. The gear box 352 is interposed between the sprocket 351 and the sprocket 351, and the chain 353 is wrapped around the sprocket 351.

The sprocket 351 is attached to the housing rack 100.
The plummer block 354,3 extends in the longitudinal direction of the
Shaft 3 rotatably supported by 54'
The motor _M1 is integrally fixed at both ends of the motor M1.
Driving force is transmitted from the gearbox 352 through the gearbox 352.

One end of the chain 353, 353' wrapped around the sprocket 351, 351' is fixed to the upper part of the vertical portion of the frame 311, 311' of the lifting platform 310 via a bracket 356, 356'. And the above chains 353, 35
The other end of the sprocket 351, 351' is housed in a pipe (not shown) disposed perpendicularly to the storage rack 100, and the other end of the chain 353, 353' A weight (not shown) is attached to the chain to prevent unnecessary runout and chain dislodgement. Therefore, the above motor
Sprockets 351, 351' and chains 353, 35 are rotationally driven in appropriate directions by _M1 .
3' engages, the elevating table 310 is raised and lowered.

The pallet 200 transfer device 400 transfers the pallet 200 between the lifting platform 310 and the storage racks 100, 100', and as shown in FIGS.
and an engagement device 500 for engaging the pallet 200, and the telescoping arm 410
The front side and the rear side of the upper surface of the connecting member 313
The transfer device 400 on one side will be explained below.

The telescoping arm 410 has three arms 42.
The first arm 420 of the first stage is fixed to the connecting member 313.

The first arm 420 is connected to the connecting member 313 of the lifting platform 310, as shown in FIGS. 9 to 11.
Two guide rails 421, 421 having a C-shaped cross section disposed on the pipe-like member 315, and a chain disposed along the guide rails 421, 421 on both inner sides of the guide rails 421, 421. 422, 422 and drive motor
Consists of M ₂ . Each of the above chains 422, 4
22 denotes sheaves 423, 42 rotatably disposed at both ends inside each guide rail 421, 421.
3, 424, and 424, respectively, and is further wrapped around drive sprockets 425, 425 disposed approximately at the center inside of each guide rail 421, 421, and the drive sprockets 425,
Sheaves 426, 42 arranged before and after 425
Crossed over 6,427,427. The upper sides of the chains 422, 422 are supported by chain rails 428, 428 having an L-shaped cross section attached to the guide rails 421, 421 so as not to sag, and the lower sides of the chains 422, 422 are supported by the pipes. It is supported by chain rails 429, 429 disposed on the shaped member 315 so as not to sag. Above drive sprocket 4
25,425 are plummer blocks 432,43
The sprocket 434 is integrally attached to the shaft 433 which is pivotally supported by the drive motor _M2 , and a wire is connected between another sprocket 434 which is integrally fixed to the shaft 433 and a sprocket 435 which is fixed to the output shaft of the drive motor M2. The driving force of the driving motor M ₂ is transmitted through the suspended driving chain 436 . Therefore, the chains 422, 422 are driven by the drive motor M ₂
By rotating the drive sprockets 425, 425 in appropriate directions, the sheaves 42 at both ends are rotated while being supported by the chain rails 428, 428, 429, 429 so as not to sag.
3,423,424,424.
Further, between the chain rails 429, 429, another chain rail 430 is fixed to the pipe-shaped member 315 in parallel with the chain rails 429, 429.
At both ends of 30, there are rack-shaped members (hereinafter referred to as chain racks) 431, which are approximately D-shaped and have teeth 431a, 431a... formed on the curved edges to mesh with the chain, as shown in FIG. The second arm 440 to which the second arm 431 is fixed is placed over the first arm 420 with its longitudinal direction aligned. As shown in FIGS. 9 to 11, the second arm 440 has a substantially U-shaped cross section, and has inner sides on both sides.
Along the longitudinal direction, guide plates 441, 44
1... and guide rollers 442, 442... are arranged alternately. The guide plates 441, 441... and guide rollers 442, 442 of the second arm 440 are connected to the grooves 421a, 421 of the guide rails 421, 421 of the first arm 420.
a, and the guide plate 44 is inserted into the guide plate 44.
1,441... regulate the deflection in the width direction, and the guide rollers 442, 422... regulate the deflection in the vertical direction and support the second arm 440 and the load applied to the second arm 440. The second arm 440 is movable along the longitudinal direction of the first arm 420.

A recess 443 is formed in the center of the upper surface of the second arm 440 along the longitudinal direction, and a recess 443 is formed in the center of the width direction of the recess 443.
A chain rail 444 similar to that described above is disposed along the longitudinal direction of 3.

Furthermore, the chain rail 4 in the recess 443
Window holes 445, 445 are bored near both ends of the sheave 44.
46, 446 are rotatably housed.
An endless chain 447 is wrapped around the sheaves 446, 446, and the upper part of this chain 447 is supported by the chain rail 444 so as not to sag, as described above.
As will be described later, the lower side is partially or entirely supported by the chain rail 430 of the first arm 420 and meshes with the chain racks 431, 431 of the first arm 420.

A total of four chain racks 448, 448, similar to those described above, are arranged and fixed on the inner upper wall portions on both sides near both longitudinal ends of the second arm 440, respectively, and these chain racks 448, 448,...
is the chain 422, 4 of the first arm 420.
It meshes with the upper side of 22. Therefore, the second arm 4
40, as shown in FIG. 13a, the first arm 4
Chains 422, 422 circulating between twenty sheaves 423, 423, 424, 424 are engaged with chain racks 448, 448 to move in a predetermined direction. Note that the first arm 420 and the second
Since the arm 440 is longitudinally symmetrical, the second arm 440 not only moves to the right, but also moves to the left by circulating the chains 422, 422 in the opposite direction, as shown in FIG. 13a. also move. By the way, since the chain racks 448, 448, . - The second arm 440 is removable and
When moving, the two chain racks 448, 448 on the rear side in the direction of movement are respectively connected to the first arm 42.
0 chains 422, 422, and the front side 2
chain racks 448, 448 are chain 4
Leave from 22,422.

Further, above both outer side surfaces of the second arm 440, guide plates 44 are provided along the longitudinal direction.
9,449... and guide rollers 450,450
...are arranged alternately.

As shown in FIGS. 9 to 11, the third arm 460 has a substantially U-shaped cross section, and guide grooves 461, 461 are formed along the longitudinal direction on both inner side surfaces. These guide grooves 461, 461,
The guide plate 449 of the second arm 440,
449... and guide rollers 450, 450... so that the third arm 460 can be moved along the longitudinal direction of the second arm 440,
The second arm 440 is covered and aligned with the longitudinal direction of the second arm 440. Chain racks 462, 462 similar to those described above are arranged and fixed at the widthwise central portion near both longitudinal ends of the inner upper wall of the third arm 460.
2 is a chain 447 disposed on the second arm 440
It is designed so that it can mesh with the upper part of the.

Therefore, as shown in FIG. 13b, the third arm 460 is configured to rotate between the sheaves 446 and 446 by engaging the chain rack 431 of the first arm 420 as the second arm 440 moves. side chain 447 and third arm 4
60 with the chain rack 462, it moves relative to the second arm 440 at the same speed as the second arm 440 moves relative to the first arm 420. Note that the first to third arms 420, 44
0 and 460 are both symmetrical with respect to the longitudinal direction, so that not only the rightward movement but also the chain 422 of the first arm 420, as shown in FIGS. 13a and 13b,
By circulating 422 in the opposite direction, it can be moved to the left, and each chain rack 43
Similarly to the aforementioned chain racks 448, 448, 1,431, 462, 462 are connected to the chain 4 as appropriate according to the movement of the second and third arms 440, 460.
It engages and disengages from 47.

Furthermore, engagement devices 500, 500 for engaging the pallet 200 are disposed at two locations slightly toward the center in the longitudinal direction on one outer side of the third arm 460.

As shown in FIGS. 14 and 15, the engagement device 500 includes a base plate 501 fixed to the outer wall of the third arm 460, and a pair of frame plates vertically disposed on the base plate 501 in parallel with each other. 502a,
502b, a locking plate 503 held by the frame plates 502a and 502b, and a converting mechanism 504 for linear motion and one rotational motion disposed on the locking plate 503.

As shown in FIGS. 14 and 15, the locking plate 503 includes locking claws 503a projecting in the diametrical direction,
503b and a boss portion 503 protruding in the axial direction
b, 503c, and the frame plate 502
a, 502b via bearings 505, 505 so as to be rotatable. The boss portion 503b,
At each end of 503c, there are guide surfaces 506a and 507 having a constant inclination, as shown in FIG.
First and second cutout portions 506 and 507 are formed, each of which includes a groove portion 506b and 507b connected to the guide surfaces 506a and 507a. These first and second notches 506 and 507 are continuously arranged at a constant pitch (if the boss diameter is b, the pitch is π/4×
d], and the first notch 506 has an inclination of +θ° with respect to the perpendicular line in the figure, whereas the second notch part 507 has an inclination of +θ° with respect to the perpendicular line in the figure. The first and second notch portions 506 and 507 are offset from each other by a certain distance [distance expressed by π/12×d].

The conversion mechanism 504 utilizes a main shaft 508 fitted coaxially to the locking plate 503, and the main shaft 508 slides in parallel to the moving direction of the third arm 460, that is, the conveying direction of the pallet 200. It is possible. A substantially cylindrical pressure-receiving member 509 is fixed to the tip of a main shaft 508 that protrudes a predetermined length from one boss portion 503b of the locking plate 503 via a fixing pin 510.
A compression spring 512 is interposed between a spring seat 511 attached to the outer wall of 2a and the pressure receiving member 509. Also, the other boss portion 503c of the locking plate 503
A detent pin 513 is provided at the rear end of the main shaft 508 protruding from the main shaft 508 in a direction perpendicular to the axis, and recesses 514a, 514a facing each other are formed in the outer wall of the other frame plate 502b. A pair of guide bars 514, 514 are provided vertically, and both ends of the detent pin 513 are fitted between the guide bars 514, 514.

When the telescoping arm 410 is extended toward the storage racks 100, 100', the pressure receiving member 509
When the third arm 460 moves to a predetermined position, it comes into contact with a stopper member 110 provided on the storage rack 100, 100', and is pressed a predetermined stroke as the third arm 460 moves to the maximum movement position. Ru. At this time, the main shaft 508 can be slid in the axial direction without being rotated because the rotation stop pin 513 is held between the guide bars 514, 514. By the way, the main shaft 50
A pair of first and second positioning pins 515a and 515b are provided at both end portions of the locking plate 503 projecting from the boss portions 503b and 503c in a direction perpendicular to the axis. Therefore, the main shaft 508
, the first positioning pin 515a fits into the first notch 506 of one boss 503b, and the second positioning pin 515b fits into the second notch 506 of the other boss 503c. 507 and rotates the locking plate 503 in a certain direction by a predetermined angle.

The rotational movement of the locking plate 503 accompanying the sliding movement of the main shaft 508 as described above will be explained in more detail with reference to FIGS. 16 and 17. In the initial state, the pressure receiving member 509 is held in a fixed direction by the compression spring 512.
5], the first positioning pin 515a of the locking plate 503 is separated from the first notch 506, and the second positioning pin 515b is separated from the second positioning pin 515b. Valley portion 50 of notch portion 507
7b, and the locking claws 503a, 503a
are accommodated in the frame plates 502a and 502b (shown by a in FIGS. 16 and 17). Then, the third arm 460 is extended to bring the stopper member 110 and the pressure receiving member 509 into contact with each other, and as the third arm 460 moves from this state to the maximum movement position, the pressure receiving member 509 is pressed [Fig. (indicated by the middle arrow), so that the first positioning pin 515a is aligned with the guide surface 50 of the first notch 506.
6a into the valley portion 506b, and the second positioning pin 515b is inserted into the second notch portion 5.
07 (indicated by b and c in FIG. 17). The first positioning pin 51
As the first notch 506 of 5a is inserted, the locking plate 503 moves in a fixed direction [indicated by the arrow in FIG. 16]
The locking claws 503a, 50 rotate by 60° [=π/6].
3a protrudes from the frame plates 502a, 502b and engages with the hook member 210 of the pallet 200 (indicated by c in FIG. 16). Thereafter, when the telescoping arm 410 is shortened and the pressure receiving member 509 and the stopper member 110 are separated, the compression spring 512
Due to the elastic restoring force of , the main shaft 508 protrudes back to its original position (indicated by the arrow position in FIG. 15).
As the pressure receiving member 509 returns, the first positioning pin 515a comes out of the trough 506b, and the second positioning pin 515b comes into contact with the guide surface 507a of the second notch 507 [Fig. (indicated by d)] Furthermore, from this state, the second positioning pin 515b moves to the guide surface 507.
It is fitted into the valley 507b along a [e in Fig. 17].
], the second positioning pin 515b rotates the locking plate 503 by 30° [=π/12] in a fixed direction (indicated by the arrow in FIG. 16) [indicated by e in FIG. 16]. ]. At this time, the engaged state between the hook member 210 and the locking pawl 503a is maintained, and the locking plate 503 is moved 90° [=π/4] by the reciprocating linear movement of the main shaft 508 as described above. ] As the hook member 210 rotates, engagement with and disengagement from the hook member 210 is repeated.

Next, the procedure for storing and taking out automobiles in the multi-story parking apparatus will be explained. In addition, in the initial state, it is assumed that no automobile A is accommodated in the accommodation racks 100 and 100', and that the lifting device 300
It is assumed that the elevator 310 is stopped with its elevator 310 lowered to its lowest position. Furthermore, in this initial state, the rail 31 of the lifting platform 310
4, 314, by appropriately operating the elevating device 300 and the transfer device 400 in advance, the storage racks 100, 100' are set at appropriate step positions, for example,
It is assumed that the pallet 200 that was placed at the top of the storage rack 100 is placed thereon.

First, in order to accommodate the automobile A, the inclined plate 15 is placed on the pallet 200 on the lifting platform 310.
Car A is moved through 0,150 and stopped.

Next, the elevating device 300 is activated, and the elevating platform 310 is raised until it reaches the height of the stage on which the pallet 200 on which the automobile A was stopped was originally accommodated. In this state, the rail 10 of the above step
1,101 and the rails 314, 31 of the lifting platform 310
4 are located linearly on the same horizontal plane.

and a drive motor for the transfer devices 400, 400.
Operate M ₂ in the specified direction. Then, as described above, the second arm 440 connects the chains 422, 422 which circulate between the sheaves 423, 423, 424, 424 and the second arm 4 by the drive motor _M2 .
By engaging with the chain racks 448, 448 of 40, the storage rack 10 is moved in a predetermined direction, that is, on the right side in the figure.
It protrudes from the first arm 420 toward 0. At the same time, as the second arm 440 moves, the second
The chain 447 disposed on the arm 440 is
The arm 420 engages with the chain rack 431 to circulate between the sheaves 446 and 446.
2 to the third arm 460, and the third
The arm 460 protrudes relative to the second arm 440 in the same direction and at the same speed.

The pallet 200 engaged with the third arm 460 moves from above the rails 314, 314 of the lifting platform 310 toward the rails 101, 101 of the stage at the same speed as the third arm 460, and When arm 460 protrudes to a predetermined position,
The pressure receiving member 509 of the engagement device 500 disposed on the right side in the longitudinal direction of the third arm 460 is attached to the housing rack 100.
The main shaft 508 slides because it comes into contact with the stopper member 110 on the side and is pressed relatively. Then, the first and second positioning pins 515a, 515b
By fitting and disengaging the first and second notches 506 and 507, the locking plate 503 rotates 60° in a predetermined direction,
Furthermore, as the contact with the stopper member 110 is released,
The pallet 200 is rotated in a predetermined direction by 30 degrees, and the engagement between the hook member 210 of the pallet 200 and the locking pawl 503a of the locking plate 503 is released, and the pallet 200 is moved to the top of the storage rack 100 with the automobile A mounted thereon. It is placed on the upper rails 101, 101. In this state, the operation of the telescoping arm 410 is stopped by a detection mechanism (not shown), and the pallet 200 is locked onto the rails 101, 101 by an automatic locking mechanism (not shown).
The rail 101,1 is placed securely on the rail 101,1.
01 and is locked from movement.

Next, the drive motor _M2 of the transfer device 400 is rotated in the opposite direction, and the second and third
Arms 440 and 460 are returned onto first arm 420. And the rails 101 of the other stages of the storage racks 100, 100', ,',',',
In order to accommodate one of the empty pallets 200 above 101 on the lifting platform 310, the lifting device 300
At the same time, the transfer device 400 is activated. For example, when storing the pallet 200 in the uppermost stage of the storage rack 100' on the left side in the figure, the lifting platform 310 is stopped at the uppermost position and the transfer device 40 is
The drive motor M ₂ of No. 0 is rotated in the reverse direction, and the second arm 440 and the third arm 460 are made to protrude toward the left in the figure in the same manner as described above. and third arm 460
When the third arm 460 moves to a predetermined position, the pressure receiving member 509 of the engagement device 500 disposed on the left side in the longitudinal direction of the third arm 460 comes into contact with the stopper member 110 on the storage rack 100' side and is relatively pressed. The locking plate 503 rotates 60° in a predetermined direction to engage with the hook member 210 of the pallet 200, and rotates 30° in a predetermined direction as the contact with the stopper member 110 is released. Furthermore, at this time, the operation of the telescoping arm 410 is stopped by a detection mechanism (not shown) as described above, and the locked state of the pallet 200 on the rails 101, 101 is released by an automatic locking mechanism (not shown). Ru.

In this state, the drive motor of the transfer device 400
Rotate M ₂ in the forward direction and remove the second and third arms 44.
0,460 is returned onto the first arm 420, this retraction movement of the third arm 460 causes
The pallet 200 engaged with the third arm 460 by the engagement device 500 is connected to the storage rack 10.
It is moved from the rails 101, 101 of the top stage of 0' to the rails 314, 314 of the lifting platform 310. In this state, the lifting device 300 is operated to lower the lifting platform 310 to the lowest position, and then the lifting device 300 is stopped.

The pallet 200 on the lifting platform 310 in this state
, also functions as a passageway as described above, and in order to further accommodate automobile A in storage rack 100 or 100' from this state, automobile A must be stopped on pallet 200 on this lifting platform 310 as described above. After that, the lifting device 300 and the transfer device 400
is operated to store the pallet 200 together with the automobile A in its original position, that is, on the rails 101, 101 of the uppermost stage of the storage rack 100'. When the lifting table 310 is lowered to the lowest position, one of the empty pallets 200 in the storage racks 100, 100' is transferred onto the lifting table 310 and then lowered.

Then, repeat the above operation until each storage rack 1
00, 100', the elevator platform 310 is lowered to the lowest position, and the spare pallet 200' is stored at the lowest position of the storage racks 100, 100'. shelf 10
2, 102', one spare pallet 200' is transferred to the lifting table 310 by the transfer device 400.
The spare pallet 200' is used as a passageway.

On the other hand, when taking out a desired automobile A from the storage racks 100 and 100', for example, the storage rack 1
In order to take out the car A stored on the top shelf of 00, first, the transfer device 400 is activated, and the spare pallet 200' on the lifting platform 310 is transferred to and stored in the original storage shelf 102 or 102'. ,
The elevating device 300 is operated to raise the elevating platform 310 to the height of the top stage of the storage rack 100 containing the desired automobile A. Next, the transfer device 400 is activated, and the third arm 460 and the second arm 44
0 is extended and moved from the first arm 420 toward the top of the storage rack 100. Then, as described above, when the third arm 460 moves to a predetermined position, the engagement device 500 disposed on the right side in the longitudinal direction of the third arm 460 is activated, and the locking plate 503 is moved.
It rotates 60° and further 30° in a predetermined direction and engages with the hook member 210 of the pallet 200. After this, the second and third arms 440, 460 are connected to the first arm in the same manner as described above.
By returning it to the arm 420, the uppermost rails 101, 10 of the storage rack 100 are
The pallet 200 on which the automobile A is placed is moved from above 1 onto the rails 314, 314 of the lifting platform 310, and the lifting device 300 is operated to lower the lifting platform 310 to the lowest position.
All that is left to do is to start the car A from above this pallet 200.

From this state, car A is further stored in rack 10.
When taking out from 0,100', empty pallet 20 placed on lifting platform 310 in the above condition.
0 to its original position, that is, to the uppermost stage of the storage rack 100, the lifting platform 310 is moved to the height of the stage of the storage rack 100 or 100' where the desired car A is stored. The pallet 200 placed thereon is moved onto the lifting table 310 by the transfer device 400. After lowering the lifting platform 310 to the lowest position,
It is sufficient to start the car A from the pallet 200.

Thereafter, by combining the above-mentioned operations, the automobiles can be appropriately stored in and taken out of the storage racks 100, 100'.

In addition, in the above embodiment, each storage rack 10
0,100' is a three-tiered type, but the multi-level parking operation according to the present invention is not limited to three-tiered storage racks, but can also be used for tower parking, etc.
It can be used as a parking device that accommodates 10 or 20 stacks. Furthermore, when a plurality of sets of the storage racks 100, 100' are connected in multiple rows in the width direction as shown in FIG. If the elevator platform is raised and lowered, the accommodation time can be shortened, and the driver only needs to wait at the car entrance in the front row, which is safer. Furthermore, by raising and lowering the elevator platform along the side surface as shown in FIG. 2, the multi-level parking device can be installed in the inner part of a narrow alley or the like. That is, the device may be used for vertical storage as well as for horizontal storage as described above. Moreover, it can be used not only for automobiles but also for warehouses for storing packages and the like.
Alternatively, only the storage rack 100 on the side where the lifting device 300 is installed may be used.

Furthermore, in the above embodiment, the lifting table 310 is moved by the sprockets 351 and 3 by the driving force of the motor _M1 .
51' and the chains 353, 353' are engaged with each other to move the vehicle vertically. However, in the multilevel parking system according to the present invention, even if the motor _M1 is a hydraulic motor or the like, Well, again.
The means for transmitting the driving force from the motor _M1 to the lifting table 310 is not limited to the chain transmission as described above. A pinion that meshes with the rack and a motor for driving the pinion may be provided, and the lifting platform 310 may be raised and lowered by the meshing of the rack and the pinion. You may also use wire rope.

Further, in the above embodiment, the multi-stage telescoping arm 410 of the transfer device 400 is connected to the chain 42.
2,422,447 and chain rack 431,4
31, 448, 448, .
Alternatively, instead of using the telescoping arm 410, a hydraulic cylinder or the like may be used to move the lifting platform 310 and the storage rack 100,
The pallet 200 may be transferred between the pallets 100' and 100'.

EFFECTS OF THE INVENTION As explained above, the multilevel parking system according to the present invention places a car thereon, lifts and lowers the car together with the pallet using the lifting device to the height of a predetermined stage of the storage rack, and then transports the car. A device was used to transfer the above-mentioned pallets between the lifting platform and the storage rack.As the cars were moved in and out of each stage of each storage rack, only one car was moved in and out. Since it only moves the car, energy can be saved and a smaller drive device can be used. Furthermore, since the multilevel parking device according to the present invention has a simple structure as described above, it is lightweight and
It is inexpensive, and the number of automobiles accommodated can be easily increased or decreased by changing the number of storage racks or the number of storage racks in response to changes in location conditions. Furthermore, in the multilevel parking apparatus according to the present invention, if an empty pallet is placed on the platform at the lowest position of the platform, the pallet can be used as a passage. No special space is required to store it.

Further, according to the present invention, the conversion from the linear motion of the main shaft to the rotational motion of the locking plate can be easily realized by the engagement device having a simple structure, and the engagement and disengagement between the pallet and the transfer device can be ensured. can be done. Therefore, it is possible to provide an engaging device that is advantageous in terms of equipment.

[Brief explanation of drawings]

1 to 17 are drawings showing an embodiment of the multi-level parking device according to the present invention, in which FIG. 1 is an overall front view of the multi-level parking device, FIG. 2 is a right side view of FIG. 1, and FIG. The figure is a plan view of the pallet, Figure 4 is an enlarged front view of the lifting platform and transfer device, Figure 5 is a plan view of Figure 4, Figure 6 is a side view of the main parts of Figure 4, Figure 7 and Fig. 8 is an enlarged cross-sectional view of the main part of the lifting platform, Fig. 9 is an enlarged view of Fig. 5, and Figs. 10 and 11 are enlarged longitudinal cross-sections of the main part to explain the structure of the transfer device. 12 is a plan view for explaining the shape of the chain rack, FIGS. 13a and 13b are schematic structural diagrams for explaining the operation of the transfer device, and FIG.
The figure is an enlarged side view of the locking device and its surroundings.
Figure 5 is a cross-sectional view of Figure 14, Figures 16 and 17.
The figures are a side view and an enlarged view of essential parts of FIG. 15 for explaining the operation of the engagement device. FIG. 18 is a schematic structural diagram showing an example of a conventional multilevel parking system. 100,100'...accommodation rack, 200...
Pallet, 300... Lifting device, 310... Lifting platform, 400... Transfer device, A... Automobile, 503
... Locking plate, 503b, 503c ... Boss part, 5
06,507...first and second notch parts, 508
...Main shaft, 515a, 515b...First and second positioning pins.

Claims (1)

[Claims] 1. On one side of a storage rack having a large number of storage stages,
A lifting device having a lifting platform that rises and lowers along the side of the storage rack is provided, a transfer device consisting of a telescoping arm is provided on the lifting platform, and a telescoping An engaging device is provided that engages and disengages from the pallet in connection with the extension and contraction movement of the arm, and the engaging device has a locking pawl that projects from both ends in the diametrical direction and a boss portion that projects from both ends in the axial direction. , a locking plate that is rotatably supported on the side of the most advanced arm of the telescoping arm, and a main shaft that is slidably inserted into the locking plate and is always biased in one direction by a compression spring. and first and second notches formed on both end surfaces of the boss portion, each of which includes a guide surface having a constant inclination, which is formed with a phase shift, and a valley portion continuous with the guide surface; It is composed of first and second positioning pins that are provided through the main shaft and engage with and disengage from the first and second notches, and the main shaft can be extended or retracted by the extension/retraction movement of the telescoping arm. The end is brought into contact with and separated from the stopper member on the storage rack side, and the first and second positioning pins and the first and second notches are alternately engaged and disengaged by sliding of the main shaft, and the above-mentioned engagement A multilevel parking device characterized in that a stop plate is rotated by a predetermined angle to engage and disengage a stop pawl and a pallet.