JP2764411B2 - Movable wheel stop - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet car stop device used in a mechanical parking device.

[Prior Art] A mechanical parking device that mounts an automobile on a rectangular pallet, moves the automobile horizontally for each pallet, and stores the automobile in a parking area has been put to practical use. The pallet used in the mechanical parking device is provided with a bogie for holding the vehicle so that the vehicle does not run away when the vehicle enters the pallet or moves on the pallet.

FIG. 10 is a plan view of an example of a pallet having a conventional fixed wheel stop device, and FIG. 11 is a cross-sectional view taken along line AA of FIG. 10 showing a state in which the fixed wheel stop device is provided on the pallet. Show.

Referring to FIG. 10 and FIG. 11, the conventional wheel stop device is
This is a fixed type in which a plurality of projections 2 are fixed on a pallet 1 and a wheel is inserted between the projections 2 to regulate the forward and backward movement of the wheel.

[Problem to be Solved by the Invention] As described above, since the conventional wheel stop device is fixed,
When a vehicle gets into or out of a pallet, every time a wheel gets over a wheel stop device, the vehicle shakes up and down greatly, causing discomfort to passengers.

In addition, it was difficult to operate the accelerator of the vehicle when getting over the car stop device, and the accelerator was weak and the engine stalled because the accelerator was too weak.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a movable vehicle stop device that enables a vehicle to smoothly get on and off the vehicle and that can securely hold wheels when the vehicle is not on the vehicle.

[Means for Solving the Problems] According to the invention as set forth in claim 1, in a wheel stop device provided on a pallet for preventing movement of a vehicle, the vehicle is capable of appearing and retracting on a running surface of the pallet, and is provided with wheels of the vehicle. A pair of wheel stops provided along the rolling direction, first biasing means for urging the pair of wheel stops to protrude on the running surface, and projecting the pair of wheel stops on the running surface A pair of lock members for fixing the pair of lock members, a link for connecting the pair of lock members, a second urging unit for urging the pair of lock members to a fixed state, and the pallet for connecting the pair of lock members to the pallet. And a driving device that is driven from the outside to release the locking of the wheel stop by the lock member.

According to the second aspect of the present invention, an axis is provided on the back surface of the pallet in a direction perpendicular to the moving direction of the automobile and is rotatably provided. When the shaft is rotated by the drive device, the lock release lever is engaged with the link to release the lock of the wheel stop by the lock member, and the lock is provided on the pallet so as to be capable of standing up and tilting. A third fence connected to the shaft so as to rise when the bollard is fixed by a member and to tilt when the locking of the bollard is released by the lock member; and The movable vehicle stopping device according to claim 1, further comprising an urging means.

[Operation] In the case of the movable wheel stop device of the present invention, the wheel stop is provided so as to be able to protrude and retract from the running surface of the pallet.
Since the first urging means is always biased to protrude from the running surface of the pallet, when the vehicle rides on the pallet, if the vehicle tries to ride on the bumped wheel, the wheel stopper is pushed down by the wheel. Can be
Thus, there is no need for the wheels to get over the bollard, and the vehicle passes smoothly there. Then, when the wheel has passed the wheel stop, the wheel stop is again projected from the running surface by the first biasing means. Then, when the wheels come between the two bollards, these bollards are locked by the locking members, and the wheels are securely held by the bollards.
Thus, even if the pallet is moved, the car does not run away.

On the other hand, when taking out the car from the pallet, the lock member
The vehicle is driven by an external driving device, whereby the locked state of the wheelchair is released, and the wheelchair is again in a state where it can be protruded and retracted. The car is then pushed down by the wheels as described above, so that the car exits the pallet smoothly.

[Embodiment] FIG. 1 is a plan view of a pallet having a movable wheel stopper device according to an embodiment of the present invention, FIG. 2 is a front view of the pellets shown in FIG. 1, and FIG. FIG. 4 is a cross-sectional view taken along a line B, showing a main part of the movable wheel stop device. FIG. 4 is a side view of the movable wheel stop device shown in FIG. 3, and FIG. FIG. 6 is a cross-sectional view showing a state in which the bollard is pushed down in the state, FIG. 6 is a cross-sectional view taken along the line CC of FIG. 4, and has a lock mechanism in an unlocked state, and FIG. FIG. 8 is a cross-sectional view taken along line EE in FIG. 1, and FIG. 9 is a cross-sectional view taken along line DD in FIG. 4. Shows the driving device of the lock mechanism.

Hereinafter, an embodiment will be described with reference to FIGS. 1 to 9.

First, referring to FIGS. 3 to 5, the shaft 6 is horizontally supported by a bearing 34 on the back surface of the pallet 3 so as to be freely rotatable. A pair of stop frames 9, 9 'are rotatably mounted on the shaft 6. Wheel stops 7,7 'are fixed on beams 8,8' at one end of the wheel stops frames 9,9 '. As a result, the bollards 7, 7 'can come and go from the running surface of the pallet 3. The other ends of the brace frames 9, 9 'are bent downward, and a tension spring (first biasing means) 10 is mounted between these ends. This tension spring 10
Due to this tension, the bollards 7, 7 'always protrude from the running surface of the pallet 3 by a height sufficient to prevent the car from running off.

Referring to FIG. 6 and FIG.
Is fixed to the shaft 6 and pushes the first arm 12a of the T-shaped link 12 by the rotation of the shaft 6.

The T-shaped link 12 has a shaft 13 fixed to the back side of the pallet 3.
Is mounted to be rotatable.

The lock member 16 has a substantially crank shape and a T-shaped link at one end.
The second arm 12b is connected to the second arm 12b by a pin 14, and the other end is inserted into a through hole 31 of a support plate 30 provided on the back surface of the pallet 3 so as to be able to come and go.

The lock member 17 is also substantially crank-shaped, and has a T-shaped link at one end.
The other end 12c of the pallet 3 is connected to the third arm 12c by a pin 15, and the other end is inserted into a through hole 33 of a support plate 32 provided on the back surface of the pallet 3 so as to be freely retractable. Further, a tension spring (second biasing means) 18 is attached to the lock member 17 between the lock member 17 and the support plate 32, whereby the lock members 16 and 17 are constantly moved via the T-shaped link 12 so that the beam It is made to project below 8,8 '.

Referring to FIG. 9, lever 19 is fixed to shaft 6.

The lever 21 forms a part of a driving device, and is fixed to a shaft 22 fixed to the ground side which is rotated by a driving source (not shown). The lever 21 is adapted to engage with the lever 19 when the pallet 3 comes to a predetermined position, and when the lever 21 rotates, the lever 19 also rotates. The driving device is provided under a place (for example, a turntable) at which a car is put on and off the pallet 3, and is provided at two places on one end side and the other end side of the pallet 3.

Referring to FIG. 8, a fence 4 is attached to the shaft 6 via a lever 6a.
Is fixed to the supporting column 5. This pillar 5
Is always urged by a spring (third urging means) 20 in a direction in which it is erected. The force of the spring 20 always acts on the shaft 6 so as to rotate the shaft 6 counterclockwise in FIG. Accordingly, since the lock release lever 11 fixed to the shaft 6 is always urged to rotate counterclockwise in FIG. 6, when the lever 21 is not engaged with the lever 19, the lock release lever 11 is locked. Release lever 11 is T-shaped link 12
Rotate away from the first arm 12a of the
The lock members 16 and 17 are protruded below the bollards 7 and 7 ′ by the urging force of the tension spring 18 to lock the bollards 7 and 7 ′.

Referring to FIG. 1 and FIG. 2, the movable bracelet of the present embodiment is provided symmetrically in four sets on the pallet 3, but is not limited thereto, and may be provided in two sets at one end of the pallet. Alternatively, two sets may be provided on the diagonal line of the pallet.

 Next, the operation of the present embodiment will be described with reference to the drawings.

When the pallet 3 is located at a predetermined place where the driving device is installed, and the car gets on the pallet 3,
As shown by the solid line in FIG. 9, when the lever 21 drives the lever 19 to rotate the shaft 6, as shown in FIG. The T-shaped link 12 withdraws the locking members 16 and 17 from beneath the beams 8, 8 '.
As a result, the lock is released.

In this state, when the vehicle rides on the pallet 3 and the wheels 29 of the vehicle try to ride on the bollards 7, 7 ', the bollards 7, 7' are pushed down by the wheels 29 as shown in FIG. Since the running surface of the vehicle 3 is flat, the vehicle can run smoothly on the pallet 3.

When the vehicle stops at a predetermined position on the pallet 3 and the front wheels are located between the bollards 7 and 7 ', a driving device (not shown) is driven to rotate the lever 21 shown in FIG. Then, the shaft 6 is rotated by the force of the spring 20 shown in FIG. 8, and the lock release lever 11 is rotated in the locking direction, whereby the engagement between the lock release lever 11 and the T-shaped link 12 is released. As a result, as shown in FIG.
The T-link 12 rotates by this movement, and the lock member 16 also moves by the rotation of the T-link 12. As a result, the locking members 16, 17 project below the beams 8, 8 ', respectively, and prevent the bollards 7, 7' from lowering, so that the front wheels are securely held by the bollards 7, 7 '. In this state, the pallet 3 is moved, and the automobile together with the pallet 3 is stored in the parking area.

Since the distance between the front and rear wheels of an automobile differs depending on the type of vehicle, when the front wheel is between the front wheel bollards 7, 7 ', the rear wheel may come over the rear wheel side bollard 7, 7'. That is, the rear wheel may be in a state as shown in FIG. At this time, even if the lever 21 of the driving device is separated from the lever 19 and the shaft 6 and the lock release lever 11 are rotated counterclockwise by the urging force of the spring 20, the two-dot chain line in FIG. As shown, the lock members 16, 17 are prevented from protruding by being blocked by the beam 8 ', and the wheel stops 7, 7' are not locked.

[Effects of the Invention] The movable vehicle stop device according to the present invention, when in the unlocked state,
Since the wheelchair is pushed down by the wheels, when the vehicle gets on and off the pallet, the vehicle does not need to get over the protruding wheelchair, and the vehicle can smoothly get on and off the pallet.

On the other hand, with the movable wheel stop device of the present invention, if the vehicle is locked, the wheel stop does not retract, and the wheels can be securely held by the wheel stop.

[Brief description of the drawings]

FIG. 1 is a plan view of a pallet having a movable bogie according to an embodiment of the present invention, FIG. 2 is a front view of the pallet shown in FIG. 1, and FIG. 3 is a view taken along the line BB of FIG. FIG. 4 is a cross-sectional view, FIG. 4 is a side view of the movable wheel stopper shown in FIG. 3, and FIG.
FIG. 6 is a cross-sectional view showing a state in which the movable bollard device shown in the figure is unlocked and the bogie is pushed down, and FIG. 6 is C in FIG.
7 is a sectional view taken along line CC of FIG. 4, FIG. 8 is a sectional view taken along line EE of FIG. 1, and FIG. 9 is a sectional view taken along line EE of FIG. FIG. 10 is a cross-sectional view taken along the line DD, FIG. 10 is a plan view of an example of a pallet having a conventional fixed wheel stop device, and FIG.
It is sectional drawing in the AA line of a figure. 3 ... pallet, 4 ... fence, 5,5 '... post, 6 ...
Shaft, 6a ... Lever, 7,7 '... Brake, 8,8' ... Beam, 9,9 '... Brake frame, 10 ... Tension spring, 11
…… Lock release lever, 12 …… T-shaped link, 13 …… Shaft,
14,15 Pin, 16, 17 Lock member, 18 Tension spring, 19 Lever, 20 Spring, 21 Lever, 22
Shaft, 29 wheels, 30 support plate, 31 through hole, 32 support plate, 33 through hole. 34 ... Bearing.

Claims (2)

(57) [Claims] A vehicle stop device provided on a pallet for preventing the movement of a vehicle, comprising: a pair of wheel stops capable of appearing and retracting on a running surface of the pallet and provided along a rolling direction of wheels of the vehicle; First urging means for urging the pair of wheel stops to protrude above the running surface; a pair of lock members for fixing the pair of wheel stops to a state protruding above the running surface; A link connecting the lock members, a second urging means for urging the pair of lock members to a fixed state, and fixing the wheel stop by the lock members by driving the pair of lock members from outside the pallet And a driving device for releasing the vehicle. 2. A shaft extending on a back surface of the pallet in a direction perpendicular to a moving direction of the vehicle and rotatably provided, and further provided with a shaft which is rotated by the driving device, and fixed to the shaft.
When the shaft is rotated by the driving device, a lock release lever that engages with the link to release the fixation of the wheel stop by the lock member is provided on the pallet so as to be capable of standing up and tilting. A fence connected to the shaft such that the fence rises when the lock is fixed and tilts when the locking of the wheelchair by the lock member is released, and third biasing means for biasing the fence in an upright state. 2. The movable wheel stopper device according to claim 1, comprising: