JPH0285473A - Laterally feeding device for pallet in elevator type multistoried parking device - Google Patents

Abstract

PURPOSE:To cut cost by installing a pallet equipped with wheels, grooves and an elevator board and an actuator for turning a crank arm and shifting the pallet between the elevation board and the parking space by turning the engaging members. CONSTITUTION:A pallet 9 is equipped with an elevation board 3, wheels 10..., and grooves 11..., and an actuator and crank arms 16a-16d having each engaging member which slides along the groove 11 are installed. Further, the crank arms 16a-16d is turned by 180 deg., engaged with the groove 11, and the pallet 9 can be shifted between the elevation board 3 and the spaces 4L and 4R. The crank arms 16a-16d and the actuator are used in shiftable ways for the right and left use, and shifted to one parking space 4R (L) before the pallet 9 is shifted between the elevation board 3 and the parking space 4L (R). Therefore, the suppression of impact and the speedy feed in the lateral direction can be executed at the same time.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention is an elevator-type multilevel parking system equipped with a lifting platform that supports and lowers a pallet for placing a vehicle. This invention relates to a lateral feeding device for pallets to be fed.

(Prior Art) Generally, in an elevator-type multilevel parking system, a lifting platform is provided so as to support a pallet on which a vehicle is placed and move up and down in the central part of the parking structure. The pallet is transported horizontally to the parking spaces provided on both the left and right sides of the hoistway within the parking structure by a horizontal transport device, and the vehicles are parked in multiple stages in each parking space.

As a pallet lateral feeding device in such an elevator-type multilevel parking system, for example, the
As disclosed in Publication No. 28786, the pallet is provided with wheels that roll on rails arranged in the horizontal direction, which is the feeding direction of the pallet, in the lifting platform and the parking space, and the lifting platform is equipped with a motor-driven chain belt. It is well known that the pallet is moved on a rail by being pulled by the chain belt.

In addition, motors, racks &
There is also one in which the pallet is moved by a linear feed mechanism consisting of a pinion or the like (see Japanese Utility Model Publication No. 52-7035).

(Problem to be Solved by the Invention) However, among the above-mentioned conventional cross-feeding devices, the former has rapid speed changes when starting and stopping the pallet cross-feeding, and is therefore subject to large shocks. In order to suppress this impact, the pallet feeding speed must be lowered, resulting in a problem that the time required for loading and unloading from the warehouse becomes longer.

On the other hand, in the latter case, in order to speed up the lateral movement of the pallet while suppressing the impact during lateral movement of the pallet, the rotation speed of the motor in the linear feed mechanism is controlled, and the pallet feeding speed is gradually increased at the time of start-up. It is possible to increase the speed and gradually decrease it when stopped, but in this case, the configuration for speed control becomes complicated, resulting in problems such as lack of operational reliability and high cost. There is.

The present invention has been made in view of the above, and an object of the present invention is to gradually increase the pallet feeding speed at the time of starting and gradually decrease it at the time of stopping, using a mechanical structure in the above-mentioned pallet lateral feeding device. By improving this, it is possible to effectively achieve both the suppression of impact during traversing of pallets and the speeding up of lateral feeding.

(Means for Solving the Problems) In order to achieve the above object, the solution means of the present invention is such that an elevating platform is provided to support a pallet on which a vehicle is placed and movable up and down within a parking structure, and An elevator-type multilevel parking system for parking the vehicles in multiple stages in the parking spaces in the parking structure by transporting the pallets horizontally from the platform to the parking spaces in the parking structure has the following configuration.

In other words, the pallet has wheels that can roll on rails arranged in the left-right direction in the elevator platform and the parking space, and a groove extending in the front-rear direction.

Further, the elevating table is rotatably provided with a crank arm having an engaging member at its tip end capable of engaging with a groove of the pallet and sliding along the groove in an engaged state. An actuator is provided to rotate the clan farm.

Then, with the engaging member engaged with the groove of the pallet, the crank arm extends approximately 180 degrees from the left and right direction.
The pallet is configured so that it can be moved between the lifting platform and the parking space by rotating the pallet.

Here, in the case where parking spaces are provided on both the left and right sides of the hoistway in the parking structure, instead of providing a pair of left and right crank arms and actuators,
It is desirable that these can be used for both left and right hands. For this reason, the crank arm and the actuator are provided so as to be movable in the left and right directions on the platform, and before moving the pallet between the platform and either the left or right parking space, Configure to move to .

(Function) With the above configuration, in the present invention, the actuator can be moved from the state in which the crank arm extends in the left-right direction with the engagement member at the tip of the crank arm provided on the lifting platform engaged with the groove of the pallet. When rotated by operation, the engagement member slides along the groove of the pallet as the crank arm rotates, and the pallet is pulled by the crank arm via the engagement member, thereby causing the pallet to The wheels roll on rails provided in the elevator platform and parking space to move laterally (left and right).

At this time, the moving speed (feeding speed) of the pallet is the speed at which the tip of the crank arm (engaging member) is displaced in the left-right direction, and changes in a sinusoidal shape with the passage of time. In other words, at the start of cross-feeding, the feed speed gradually increases until it becomes quite high, and also when it stops, the feed speed gradually decreases, so that the impact that is applied at the start and stop of cross-feeding is reduced as much as possible. This means that the pallet can be quickly traversed while suppressing the

Here, the rotation center of the crank arm needs to be offset by a predetermined distance from the center line of the elevator platform toward the parking space side, or in a parking structure where parking spaces are provided on both the left and right sides of the hoistway, If the arm and actuator are provided so as to be movable in the left and right directions on the platform, the crank arm (and actuator) By moving the crank arm and the actuator from the center line of the elevator platform to the parking space side, one crank arm and actuator can be used for lateral transport of pallets between the elevator platform and the left and right parking spaces.

(Example) Embodiments of the present invention will be described below based on the drawings.

1 to 3 show an elevator-type multilevel parking system equipped with a pallet traversing device according to a first embodiment of the present invention. In FIG. 3, ] is a tower-shaped parking structure that supports a multi-story parking device, and a hoistway 3 is provided in the center of the parking structure 1 through which an elevating platform 2 ascends and descends. Parking spaces 4L and 4R for parking vehicles are provided on both the left and right sides of the hoistway 3, respectively.

The lifting platform 2 has a rectangular shape, and its four corners are formed by wire ropes 5, 5, . It is suspended by... Each wire rope 5 is wound around a diversion wheel 6 provided on the ceiling of the parking structure 1 and a drive wheel 7 connected to a drive motor (not shown), and is also connected to a balance weight 8. The elevator platform 2 is moved to a guide rail (not shown) by the operation of the drive motor.
It is configured to move up and down within the hoistway 3 under the guidance of.

In addition, each of the parking spaces 4L and 4R has a plurality of rectangular flat pallets 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4 or 4 rectangular flat pallets on which vehicles are placed, respectively. ...
are arranged at predetermined intervals in the vertical direction, and these pallets 9, 9 . ... constitutes a parking shelf for parking vehicles in multiple stages. Here, parking spaces 4L, 4
When parking a vehicle on each pallet 9 of R, first, the pallet 9 is moved horizontally from the parking spaces 4L and 4R onto the lifting platform 2, and then the lifting platform 2 is lowered to the ground and parked at this position. The vehicle is placed on the pallet 9. Thereafter, the lifting platform 2 supports the pallet 9 on which the vehicle is placed and rises to the original position, and the pallet 9 is laterally conveyed from the lifting platform 2 to the parking spaces 4L and 4R.

Then, the pallet 9 is placed in a parking space 4L.

The configuration of the cross-feeding device for cross-feeding between 4R and the lifting platform 2 is shown in FIGS. 1 and 2. That is, a pair of wheels 1.0, 1.0 with single flanges are rotatably provided on both the front and rear end surfaces of the pallet 9, respectively, and a pair of wheels 1.0, 1.0 with a single flange are rotatably provided on both the left and right ends, respectively, and on the lower surface of the pallet 9, there are wheels 1.0, 1.0 provided on the lower surface of the pallet 9. A guide groove 11 is formed extending in the front-rear direction. Parking space 4
The above pallets 9 are placed in each parking shelf position of L and 4R.
A pair of front and rear rails 12.12 or 13, 13 extending horizontally in the left-right direction is provided corresponding to the wheels 10.10 at the front and rear ends, and the pallet 9 is supported on the rails 12.12 or 13°]3. has been done. Furthermore, a pair of front and rear rails 14.14 extending in the left-right direction are provided at both front and rear ends of the lifting platform 2, corresponding to the wheels 10.10 at the front and rear ends of the pallet 9. The rails 14.14 are continuous in a straight line with the rails 12.12 and 13.13 arranged on the parking shelves when the elevator platform 2 is located at the height of the parking shelves with the parking spaces 4L and 4R. , the wheels 10, . ing.

Further, the elevating table 2 has crank arms 16a, 16b each having a roller 15 as an engaging member at the tip at four locations: front and rear on the left side and front and rear on the right side.
16 c and 16 d are provided rotatably in a horizontal plane, and these four crank arms 16 a
- 16d, a double-shaft motor 17a serves as two left and right actuators that rotate the two crank arms 16a, 16b or 16c, 16d on the left or right side, respectively.
, 17b are provided. Each of the above crank arms 16
The rotating shafts 18 of a to 16d are arranged at approximately the same position as the front and rear ends of the guide grooves 11 of the pallet 9 in the front-rear direction, and each crank arm 16a to 16d has its tip end in the parking space 4.
When the rollers 15 at the tips of each of the crank arms 16a to 16d are extended in the left-right direction toward the L or 4D side,
are engaged with the front and rear ends of the guide groove 11 of the pallet 9, and the roller 15 can slide along the guide groove 11 in this engaged state.

In addition, each of the above-mentioned double-shaft motors 17a and 17b and the double-shaft motor 1
Two crank arms 1 rotated by 7a, 17b
6a, 16b or 16c, 16d, the two front and rear worm reducers 19 and 19 are provided with the screw directions of the worms opposite to each other, and the two crank arms 16a.

16b, 16c, and 16d rotate in opposite directions. In addition, each crank arm 16a to 1
6d has a distal end (roller 15 side) and a proximal end (
The rotating shaft 18 side) is formed in a stepped shape higher than the rotating shaft 18 side.

-12= Next, in the first embodiment, regarding the operation when the pallet 9 is transported horizontally between the lifting platform 2 and the parking spaces 4L and 4R, the lifting platform 2 is raised to the position where the pallet 9 is placed. When the crank arms 16a to 16d are all in a state where their tips are retracted toward the lifting platform 2 side. In other words,
In FIG. 1, the crank arm 16a on the left side of the lifting platform 2
, 16b are in the state shown by solid lines, and the crank arms 16c and 16d on the right side of the lifting platform 2 are in the state shown by phantom lines.

When the pallet 9 in the parking space 4R on the right side of the hoistway 3 is to be transported sideways to the elevator platform 2 from this state, first, the crank arm 16C116d on the right side of the elevator platform 2 is moved by the operation of the double-shaft motor 17b. In other words, the right front crank arm 16c is rotated clockwise and the right rear crank arm 16d is rotated counterclockwise so that its tip protrudes toward the parking space 4R side.

When the crank arms 16c, 16d rotate once (13) to a state where they extend in the left-right direction as shown by solid lines in FIG. It engages with the guide groove 11 of No. 9 from its front and rear ends. When the crank arms 16c, 16d further rotate from this state, the rollers 15, 1.5 at the tips of the crank arms 16c, 16d slide toward the inside of the guide groove 11, and the rollers 15,1
Pallet 9 is connected to crank arms 16c and 16d via 5.
, whereby the pallet 9 is pulled by its wheels 10, 10 . ... is rail 13 on the parking space 4R side
．． It rolls from above 13 onto the rail 14° 14 on the side of the lifting table 2, and is transported horizontally onto the lifting table 2.

Then, when the crank arms 16c, 16d rotate 1806 times from the state in which the roller 15 and the guide groove 11 are engaged (that is, the crank arms 16c, 16d extend in the left-right direction with their tips facing left). ), the engagement between the rollers 15 and the guide grooves 11 is released, and the pallet 9 stops on the lifting platform 2. In addition, the crank arm 16c.

16d rotates to the original position before starting rotation and stops.

Therefore, in the case of such horizontal feeding of the pallet 9, the feeding speed is the crank arm 16c.

16d is the speed at which the tip (roller 15) is displaced in the left-right direction, and changes in a sinusoidal shape as time passes. In other words, at the start of cross-feeding, the feed speed gradually increases from zero to a fairly high feed speed, and when it stops, the feed speed gradually decreases to zero, so the impact that acts at the start and stop of cross-feed The pallet 9 can be quickly transported horizontally while suppressing this as much as possible.

Moreover, the change in the speed of the lateral feeding of the pallet 9 is simply caused by the rotation of the crank arms 16C and 16d, each of which has a roller 15 at its tip that engages with the guide groove 11 on the pallet 9 side. , the crank arm 16
Since it is not necessary to have a configuration that variably controls the rotational speeds of the rotation speeds of C and 16D, the configuration is simplified accordingly, the reliability of operation can be increased, and it can be implemented at low cost. effective.

In addition, when the pallet 9 on the elevator platform 2 is to be transported horizontally to the parking space 4R on the right side of the hoistway 3, the pallet 9 as described above is
The pallet 9
can be moved sideways to parking space 4. In addition, when the pallet 9 is transported horizontally between the parking space 4L on the left side of the hoistway 3 and the hoisting platform 2, the crank arms 16a, 1
The rotation direction of the crank arms 6b is simply opposite to the rotation direction of the crank arms 16c and 16d when the pallet 9 is transported laterally between the parking space 4R on the right side of the hoistway 3 and the elevator platform 2.

FIG. 4 shows a pallet lateral feeding device in an elevator-type multilevel parking system according to a second embodiment of the present invention. In the case of this second embodiment, the lifting platform 2 includes cylinders 21, 21
A common base 22 is provided which moves in the left-right direction across the center line of the lifting platform 2 by the operation of the common base 22.
, a pair of crank arms 24a and 24b each having a roller 23 at the tip thereof are provided rotatably in a horizontal plane at the front and rear thereof, and a double-shaft motor rotates these two crank arms 24a and 24b. 25 are provided.

When the pallet 9 is transported sideways between the parking space 4R on the right side of the hoistway 3 and the elevator platform 2, the common base 22 is moved to the right side of the center line of the elevator platform 2 as shown by the solid line in FIG. After moving the rollers 23 and 23 at the ends of the crank arms 24a and 24b to the guide groove 11 of the pallet 9, respectively.
crank arms 24a, 24b from the state engaged with
is rotated 180° and the pallet 9 is fed horizontally. Also,
When the pallet 9 is transported horizontally between the parking space 4L on the left side of the hoistway 3 and the hoisting platform 2, the common base 22 is
After moving to the left side of the center line of the lifting platform 2 as shown by the imaginary line in FIG. 4, the pallet 9 is laterally conveyed by rotating the crank arms 24a and 24b in the same manner.

In the case of this second embodiment, before the pallet 9 is transported horizontally between the lifting platform 2 and the parking spaces 4L and 4R, the common vane 22 and furthermore the crank arm 24a,
By moving the pallet 24b to the parking space 4L or 4R on the side to be traversed, the pallet 9 can be traversed by rotating the cranks 24a and 24b by 180 degrees as in the first embodiment. Since one set of crank arms 24a and 24b can be used for traversing the pallet 9 between the elevator platform 2 and the left and right parking spaces 4L and 4R, the number of parts can be reduced and costs can be reduced. can be achieved.

5 and 6 show a pallet traversing device according to a third embodiment of the present invention. In the case of the third embodiment, the common base 22 and the crank arms 24a, 24b in the case of the second embodiment are configured so that they can be moved as appropriate without using a special actuator such as the cylinder 21.

That is, in the case of the third embodiment, in the common vane 31, the guide roller 32 attached to the lower surface of the common vane 31 is slidably fitted into the guide groove 33 fixed to the elevating table 2, and both 3
It is provided so as to be movable in the left and right direction under the guidance of 2.33. A first crank arm 3 is rotatably provided at the front and rear of the common vane 31, and has a roller 34 at its tip that can engage with the guide groove 11 of the pallet 9.
The rotation radius of 5a, 35b is set to half the distance between the center line of the elevator platform 2 and the center of the guide groove 11 of the pallet 9 located at a predetermined position in the parking spaces 4L, 4R. In addition, a rotating shaft 37 that connects the crank arms 35a, 35b of each section above and the worm reducer 36 has a second crank arm 35a, 35 with the same rotation radius as the first crank arm 35a, 35 below the worm reducer 36. The crank arms 38a, 38b are mounted with a phase shift of 180 degrees from the first crank arms 35a, 35b, and the second crank arms 38a
, 38b are adapted to rotate together with the first crank arms 35a, 35b when the first crank arms 35a, 35b are rotated by the power from the double-shaft motor 39. A roller 40 is rotatably provided at the tip of each of the second crank arms 38a, 38b, and the roller 40 is slidable in a guide groove 41 arranged in the front-rear direction on the center line of the lifting platform 2. It is fitted.

Then, as shown by the solid line in Fig. 5, the common base 31
is located on the right side of the lifting platform 2 and is on the common base 31.

35b engage the front and rear ends of the guide grooves 11 of the pallet 9 in the parking space 4R on the right side of the hoistway 3 with the rollers 34 at the tips of the rollers 35b extending in the left-right direction. 1 crank arm 35
a and 35b closer to each other (front crank arm 35a clockwise, rear crank arm 3
5b counterclockwise), and the second crank arms 38a, 38b are rotated in the same direction as the common first crank arms 35a, 35b, and the common base 3] becomes a lifting platform. Move from the right side of 2 to the left side. Also, pallet 9 in parking space 4R
is laterally fed to the lifting platform 2'' at a speed twice as fast as the moving speed of the common base 31. The first and second crank arms 35a, 35b, 38a, 3
8b has rotated to nearly 80 degrees] as shown by the phantom line in FIG. 5, these rotations stop and the parking space 4
The horizontal transport of the pallet 9 from R to the lifting platform 2 is completed.

On the other hand, from the state shown by solid lines in FIG. 5, the first and second crank arms 35a, 35b, 38a.

38b is rotated 180 degrees in the opposite direction to the above case, the pallet 9 in parking space 4R is moved to that parking space 4.
R, the common base 31 moves to the left side on the lifting platform 2, and each roller 34 at the tip of the first crank arms 35a, 35b moves to the parking space 4 on the left side of the hoistway 3.
It engages with the front and rear ends of the guide groove 11 of the pallet 9 located at L. From this state, the crank arms 35a, 35b, 38a
.

When 38b is further rotated, the pallet 9 is transferred horizontally from the parking space 4L to the elevator platform 2.

It should be noted that the present invention is not limited to the first to third embodiments described above, but includes various other modifications. For example, in each of the above embodiments, the present invention is applied to the parking spaces 4L on the left and right sides of the hoistway 3.

Although the present invention has been applied to an elevator-type multilevel parking system in which 4Rs are provided, it can be similarly applied to an elevator-type multilevel parking system in which a parking space is provided only on one side of the hoistway 3. Of course. Further, as shown in FIG. 7, two vertical rows of parking spaces 51 and 51 are provided on one side of the parking structure 50, and a hoistway 52 twice the size of the parking spaces 51 is provided on the other side. is provided, and in the hoistway 52, a so-called elevator-slide type is provided with a hoisting platform (not shown) the size of one parking space 5 that can be moved up and down and also movable in the front and rear directions. It can also be applied to multilevel parking systems.

Furthermore, in each of the above embodiments, when the pallet 9 is transported horizontally between the elevator platform 2 and the parking space 4L or 4R on the side of the hoistway 3, the crank arms 16a to 16cl,
24a, 24b, 35a, 35b in front and behind the lifting platform 2.
However, in the present invention, the flange of the wheel 10 of the pallet 9 and the rails 12, 13, 14 are When there is almost no gap between the pallets and the inclination of the pallet 9 is small,
Only one crank arm may be provided.

(Effects of the Invention) As described above, according to the pallet traversal device in the elevator-type multilevel parking system of the present invention, the pallet is traversed by the rotation of the crank arm provided on the lifting platform, which is a simple mechanical configuration. Since the feed speed of the pallet can be changed in a sinusoidal manner such that it gradually increases at the start and gradually decreases when the pallet stops, it is possible to suppress the impact and speed up the lateral feed. Furthermore, it has excellent practical effects such as high operational reliability and low cost.

In particular, in parking structures where parking spaces are provided on both the left and right sides of the hoistway, the crank arm is generally movable in the left and right directions on the hoistway, and the crank arm is moved to one side before horizontally transporting the pallet. If configured to move the pallet toward the parking space side, one crank arm and actuator can be used to transport the pallet horizontally between the lifting platform and the parking spaces on both the left and right sides.
Costs can be further reduced.

[Brief explanation of drawings]

The drawings show embodiments of the present invention, and FIGS.
The drawings show a first embodiment, in which Fig. 1 is a plan view showing the configuration of a pallet traversing device, Fig. 2 is a partially cutaway view taken along line A-A in Fig. 1, and FIG. 3 is a schematic diagram showing the overall configuration of the elevator-type multilevel parking system. Figure 4 is a diagram equivalent to Figure 1 showing the second embodiment, Figures 5 and 6 are equivalent to Figure 1, Figure 5 is a diagram equivalent to Figure 1, Figure 6 is a diagram equivalent to Figure 2, and Figure 5 is a diagram equivalent to Figure 1. It is. FIG. 7 is a plan layout of the elevator-slide type multilevel parking system. 1...Parking structure, 2...Elevating platform, 3,52...
Up/down] 4L, 4R, 51...Parking space, 9...
・Pallet, 10...Wheel, 11...Guide groove, 1
2. 1B. 14...Rail, 15, 23.34...Roller (engaging member), 16a to 16d, 24a, 24b, 35
a, 35b--crank arm, 1.7a, 17b. 25.39...Double shaft motor (actuator). Patent applicant ShinMaywa Industries Co., Ltd.

Claims (2)

[Claims] (1) An elevating platform is provided to support a pallet on which a vehicle is placed and to be movable up and down within the parking structure, and from above the elevating platform, the pallet is transported horizontally to a parking space within the parking structure to lift the vehicle. In an elevator-type multilevel parking system for parking in multiple stages in a parking space within a parking structure, the pallet extends in the front and back direction with wheels that can roll on rails that are arranged in the horizontal direction in the elevator platform and the parking space. A crank arm is rotatably provided on the lifting platform and has an engaging member at its tip that can engage with the groove of the pallet and can slide along the groove in an engaged state. At the same time, an actuator for rotating the crank arm is provided, and the crank arm is rotated approximately 180 degrees from the state in which it extends in the left-right direction with the engaging member engaged in the groove of the pallet. A pallet lateral transport device in an elevator-type multilevel parking system, characterized in that the pallet is configured to move between a lifting platform and a parking space. (2) Parking spaces are provided on both the left and right sides of the hoistway within the parking structure, and the crank arm and actuator are movable in the left and right directions on the hoistway. 2. The pallet traversing device in an elevator-type multilevel parking system according to claim 1, wherein the pallet traversing device in an elevator type multi-level parking system is configured to move the pallet to the one parking space before moving the pallet to and from the parking space.