JPH06229139A - Vehicle transfer device - Google Patents

Abstract

PURPOSE:To unload cars with a carrier truck. CONSTITUTION:A carrier truck 10 comprises a pair of frames 11 and 12 on both sides, and a plurality of rollers 14 and 15 installed to the upper parts of the frames 11 and 12 with a span provided in the front and rear direction X and an expansion hydraulic cylinder 16 which expands the both frames 11 and 12 in the front and rear direction X. When a car 8 is loaded, the front and rear sided frames 11 and 12 are moved up in a car width direction Y with an advancing hydraulic cylinder 19 so that they may be inserted between tires 8a and 8b in the front and rear sides of the car 8. Then, the both sided frames 11 and 12 are expanded in the front and rear direction X with the hydraulic cylinder 16. Then, the tires 8a and 8b on both sides are scooped in with the rollers 14 and 15 on both sides so that the car 8 may be loaded on the truck 10. The car 8, after it is moved with the truck 10, is unloaded at a specified place in the reverse process.

Description

Detailed Description of the Invention

[0001]

This invention relates to passenger cars, construction vehicles,
The present invention relates to a device for transferring a vehicle such as an agricultural work vehicle to a parking place.

[0002]

2. Description of the Related Art A transfer device to which the present invention is applied is used, for example, in a multilevel parking facility disclosed in Japanese Patent Publication No. 58-25826 previously proposed by the present applicant. In this multi-level parking facility, an elevator is provided on the front side of the parking rack, and the vehicle is configured to be self-propelled between the loading / unloading port on the ground and the elevator, and between the elevator and the parking rack.

[0003]

By the way, in the recent multi-storied parking facilities, vehicles are transported without self-propelled for reasons such as shortening the time required for loading and unloading and increasing the parking density in the parking rack. It has been requested to do so. But,
In order to meet this demand, it is necessary to provide a transfer pallet for each parked vehicle, which increases the number of transfer pallets installed, resulting in a significant increase in the overall cost of the parking facility. . The present invention aims to provide a simple and inexpensive transfer device.

[0004]

In order to achieve the above object, the present invention provides a vehicle transfer device between tires 8a and 8b in front of and behind vehicle 8 as shown in FIGS. 1 to 12, for example. A pair of front and rear frames 11.1 inserted in the vehicle width direction Y
2, a plurality of rollers 14 and 15 provided on the upper portions of the frames 11 and 12 at predetermined intervals in the front-rear direction X, and an extension / contraction operation means 16 that extends and retracts both frames 11 and 12 in the front-rear direction X. And an advancing / retreating operation means 19 for advancing / retreating both the frames 11 and 12 in the vehicle width direction Y.

[0005]

The present invention operates as follows as shown in FIGS. 1 and 4, for example. The vehicle 8 is carried by the following steps.
Be loaded into. As shown in FIG. 4A, the front and rear frames 11 and 12 of the carriage 10 are contracted and positioned on one side of the vehicle 8 before loading. Next, as shown in FIG. 4 (b) or FIG.
To the vehicle width direction Y, and the tires 8 in front of and behind the vehicle 8
Insert between a and 8b. Subsequently, as shown in FIG. 4C, when the front and rear frames 11 and 12 are extended in the front-rear direction X, as shown in FIG.
The front and rear tires 8a and 8b are scooped by 15 and the vehicle 8 is loaded on the truck 10. The vehicle 8
After being transferred by the trolley 10, it is unloaded to a predetermined place by the procedure reverse to the above. As described above, the transfer of the vehicle 8 is completed, and thereafter, the carriage 10 can be used for transferring another vehicle.

[0006]

The present invention has the following effects because it is configured and operates as described above. Since the transfer carriage can be used for both loading and unloading of a vehicle and transfer, it can be used for transferring another vehicle after the transfer of the vehicle is completed. Therefore, it is not necessary to provide a transfer pallet for each vehicle to be transferred, and the transfer device can be simply and inexpensively manufactured.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 2 is a plan view of a multilevel parking facility 1 using the transfer device according to the present invention. This parking facility 1 is configured as an elevator slide type, and an elevator 4 is movable in the left-right direction between horizontally-stored parking racks 2 and 3.
An entry / exit location 7 is provided on the right side of the management room 6 arranged in a part of the parking rack 3, and an automobile 8
Are entered in parallel. The vehicle 8 is transferred to an arbitrary rack portion of the parking rack 2 or 3 by a transfer carriage 10 (see FIG. 6) provided on the lift table of the lift 4. In the modification of FIG. 3, the automobile 8 goes straight into the loading / unloading place 7 provided on the left side of the management room 6.

First, the overall structure of the transfer device will be described with reference to FIG. (a) is a plan view and (b) is a schematic view in elevation. The above entry / exit location 7 (or parking rack 2
・ A car 8 is parked in each rack part (3). The carriage 10 is inserted in the vehicle width direction Y between the front and rear tires 8a and 8b of the automobile 8. This dolly 10 includes a pair of front and rear frames 11 and 12 which are expanded and contracted in the front and rear direction X,
Four traveling wheels 13 provided on each frame 11 and 12, a plurality of rollers 14 and 15 provided on the upper part of each frame 11 and 12 at the same intervals in the front-rear direction X, and both the frames 11 and 12 described above. A hydraulic cylinder 16 for expansion and contraction for expanding and contracting 12 in the front-rear direction X is provided.

The guide rollers 17 and 17 provided on the left side of the rear frame 12 are fitted to the front frame 11, and the guide rollers 18 and 18 provided on the right side of the front frame 11 are attached to the rear frame 12. Mated. Both of these frames 11 and 12 are operated to move back and forth in the vehicle width direction Y by the forward / backward operation means 19 (see FIG. 6). Further, the traveling wheel 13 is capable of changing direction in the front-rear direction X and the vehicle width direction Y, as shown in FIG. 12 described later.

As shown in FIG. 4, the automobile 8 is loaded on the transfer carriage 10 in the following procedure. (a) As shown in the figure,
Before the transfer is started, the trolley 10 should first be mounted on the front and rear frames 1.
The vehicle 1 is located on one side of the automobile 8 in a contracted state. Next, as shown in FIG. 3B, the truck 10 is inserted between the tires 8a and 8b in front of and behind the automobile 8. Then, as shown in FIG.
When 12 is extended, the front and rear tires 8a and 8b are scooped by the front and rear rollers 14 and 15 as shown in FIG. The vehicle 8 is transferred by the trolley 10 and then dropped down to a predetermined place by the procedure reverse to the above.

In the schematic view of FIG. 5, (a) to (c) show the operation of the rollers 14 and 15 at the time of loading,
Figures (d) to (f) show rollers 14 and 15 at the time of unloading.
Shows the operation of. When loading the car 8, (a)
As shown in the figure, the truck 10 is inserted at a substantially central position between the front and rear tires 8a and 8b. Front and rear frames 11
When 12 is extended, for example, when the scooping resistance of the rear tire 8b is small, it operates as follows.

First, as shown in FIG. 1B, the rear roller 15
Scoops the rear tire 8b, and when the rear stopper 22 provided on the rear frame 12 contacts the rear tire 8,
As shown in (c), the front roller 14 scoops the front tire 8a, and the front stopper 21 contacts the front tire 8a. A sensor (not shown) detects this and stops the expansion of the expansion / contraction hydraulic cylinder 16 shown in FIG. In this state, the carriage 10 is moved to a desired place. When the scooping resistance of the front tire 8a is small,
After the front tire 8a is scooped first, the rear tire 8b is scooped in.

When the vehicle 8 is unloaded, as shown in (d), first, the front and rear stoppers 21, 22 are brought into contact with the front and rear tires 8a, 8b, and in this state, the front and rear frames 11 ,. When 12 is contracted, front and rear tires 8a and 8b come into contact with the ground, as shown in FIG. Then,
(f) As shown in the figure, the frames 11 and 12 are contracted, and the front and rear stoppers 21 and 22 are returned to the central positions. Then, the carriage 10 may be moved in the vehicle width direction and pulled out from between the front and rear tires 8a and 8b.

Next, means for moving the carriage 10 forward and backward in the vehicle width direction will be described with reference to FIGS. 6 to 10. 6 is a plan view of the advanced state, FIG. 7 is a vertical cross-sectional view of the retracted state, FIG. 8 is a side view showing the guide tool, and FIGS. 9 and 10 are operation explanatory views.

As shown in FIGS. 6 and 7, the advancing / retreating operation means is provided with two advancing / retreating hydraulic cylinders 19. In the tube hole 27 provided at the base of the cylinder tube 24 of each hydraulic cylinder 19, the first pin 28 of the elevator 4 and the carriage 10 are provided.
Second pin 29 can be selectively inserted. Further, in the rod hole 30 provided at the tip of the piston rod 25,
The third pin 31 of the elevator 4 and the fourth pin 32 of the carriage 10 can be selectively inserted. The cylinder tube 24
8 is linearly guided by the guide tool 34 shown in FIG. 8 (a), but the guide tool 34 may be configured as shown in FIG. 8 (b).

As shown in FIG. 9, when the carriage 10 is advanced to the right side of the drawing with respect to the elevator 4, the tube hole 2
7 is connected to the first pin 28 and the rod hole 30 is connected to the fourth pin 32.
6 may be extended. As shown in FIG. 10, the elevator 4
On the other hand, when moving the trolley 10 to the left side of the figure,
The second pin 29 may be connected to the tube hole 27 and the third pin 31 may be connected to the rod hole 30, and the forward / backward hydraulic cylinder 19 may be extended in this state.

Next, the means for changing the direction of the traveling wheels 13 of the carriage 10 will be described with reference to FIGS. 11 and 12. As shown in FIG. 11A, the front and rear frames 11.
When the detection device (not shown) detects that the contraction of No. 2 is completed, or as shown in FIG.
When the detection device detects that the extension of 1 · 12 is completed, the carriage 10 becomes movable in the vehicle width direction Y,
The traveling wheels 13 are oriented in the vehicle width direction Y. That is, FIG.
As shown in 2 (a), the center arm 36 is attached to the pivot shaft 37.
Is rotated in the counterclockwise direction about the center of the shaft, and each axle 13a is rotated about the fulcrum pin 13b via each link 38.

On the other hand, as shown in FIG. 11 (c),
At the start of expansion of the front and rear frames 11 and 12, and as shown in FIG.
At the start of the contraction shown in (1), the traveling wheels 13 are oriented in the front-rear direction X prior to this. That is, as shown in FIG. 12B, when the center arm 36 is rotated in the clockwise direction about the pivot shaft 37, each link 38 is moved to each axle 1.
3a is rotated around the fulcrum pin 13b.

In order to prevent a rotation error of each traveling wheel 13, it is preferable to make a positioning stopper face each axle 13a. The direction changing means may be provided for each traveling wheel 13. If the traveling wheels 13 are formed in a spherical shape, the above-mentioned direction changing means has a simple structure.

FIGS. 13 and 14 respectively show modifications of the positioning device for the transfer carriage 10 and correspond to FIG. 5 described above. In each modification, the same reference numerals are given to members having the same configurations as those of the above-described embodiments. In the first modified example of FIG. 13, a magnet device 41 is provided at the center of the bogie 10 in the front-rear direction so as to be vertically movable, and a parking / stopping place is constituted by a steel floor 42. As a result, the center of insertion of the trolley 10 is set to the front and rear tires 8a
Even if there is a deviation from the center between b, the scooping operation of the tire can be easily performed by the following procedure.

That is, when the front and rear frames 11 and 12 are extended, the front roller 14 first comes into contact with the front tire 8a, as shown in FIG. 7 (a), and subsequently, as shown in FIG. Thus, the carriage 10 moves to the right and the rear roller 15 contacts the rear tire 8b. When a sensor (not shown) detects this, as shown in FIG.
1 is lowered and fixed to the floor 42. Subsequently, the front and rear tires 8 are extended by the extension of both the frames 11 and 12.
a and 8b are taken in by the front and rear rollers 14 and 15.
The magnet device 41 may be replaced by an air sucker or a mechanical clamp mechanism.

The second modified example of FIG. 14 is the front and rear frames 1.
Each of 1 and 12 is composed of a hydraulic cylinder, and front and rear cylinder tubes 45 and 46 are connected to a common base 47. By connecting the engaging pin 48 provided on the common base 47 so as to be vertically movable to the locking hole 49 at the parking / parking place, the front and rear tires 8a and 8b can be surely scooped. The front and rear rollers 14.1
5 is supported by the front and rear end portions of the piston rods 50 and 51.

The above-mentioned embodiments and modifications can be modified as follows. The means for expanding and contracting the front and rear frames 11 and 12 in the front and rear direction X may be a pneumatic cylinder, a rodless cylinder or the like instead of the elastic cylinder 16 for expansion and contraction, which uses a rack and a pinion. A ball screw may be used. A means for operating the both frames 11 and 12 in the vehicle width direction Y is a hydraulic cylinder 19 for forward and backward movement.
Instead, it may be a combination of a chain or rope and an electric motor, and the traveling wheels 13 may be driven by an electric motor.

[Brief description of drawings]

1A and 1B show a transfer device, FIG. 1A is a plan view, and FIG. 1B is an elevation view.

FIG. 2 is a plan view of a multilevel parking facility using the transfer device.

FIG. 3 is a plan view showing a modified example of the above multi-level parking facility.

FIG. 4 is an operation explanatory view of the transfer device.

FIG. 5 is an operation explanatory view of the scooping roller of the transfer device.

FIG. 6 is a plan view of advancing / retreating operation means of the above-mentioned transfer device.

FIG. 7 is a vertical cross-sectional view showing a state in which the advancing / retreating operation means is retracted.

FIG. 8 is a side view of the guide tool of the advancing / retreating operation means.

FIG. 9 is an operation explanatory view of the advancing / retreating operation means.

FIG. 10 is an operation explanatory view of the advancing / retreating operation means of the above.

FIG. 11 is an operation explanatory view of the transfer carriage of the transfer device.

FIG. 12 is a schematic view showing a direction changing means for the traveling wheels of the transfer carriage.

FIG. 13 shows a first modification of the above-mentioned transfer carriage, and FIG.
It is a figure equivalent to.

FIG. 14 shows a second modified example of the transfer cart of the above, and FIG.
It is a figure equivalent to.

[Explanation of symbols]

8 ... Vehicle (automobile), 8a ... Front tire, 8b ... Rear tire, 11
... front frame, 12 ... rear frame, 14/15 ... rollers, 16 ... expansion / contraction operation means (expansion / contraction hydraulic cylinder), 19 ... advancing / retreating operation means (advancing / retreating hydraulic cylinder), X ... longitudinal direction, Y ... vehicle width direction.

Claims (1)

[Claims] 1. A pair of front and rear frames (11) inserted in the vehicle width direction (Y) between the front and rear tires (8a), (8b) of the vehicle (8).
(12), a plurality of rollers (14) and (15) provided on the upper part of each frame (11) and (12) with a predetermined space in the front-rear direction (X), and both frames (11) and (12) And a retractable operating means (16) for retracting and operating the vehicle in the front-rear direction (X), and a retractable operating means (19) for retracting and operating both frames (11) and (12) in the vehicle width direction (Y). A transfer device for a vehicle.