JPH0565673B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a parking/unloading device for two-wheeled vehicles such as two-wheeled automobiles and bicycles.

Background Art A typical prior art is shown in FIG. In this prior art, a cable 3 is wound endlessly between rotating wheels 1 and 2 arranged above and below,
A plurality of cages 4 are provided on this cable 3. The worker holds the handle 8 of the bicycle 6 to be stored from the road surface 5, pulls it in the storage direction 9, and loads it from the rolling platform 7 onto the cage 4a at the bottom of the cage 4 to store the bicycle ( For example, JP-A-59-224775
(see publication).

Problems to be solved by the invention In the prior art shown in FIG. 15,
To load the bicycle 6 onto the cage 4a,
A person must pull the cage 4a to get into the cage 4a. Therefore, it is dangerous.

SUMMARY OF THE INVENTION An object of the present invention is to provide a two-wheeled vehicle storage/unloading device that enables safe storage/unloading of a two-wheeled vehicle.

Means for Solving the Problems The present invention has a pallet on which a two-wheeled vehicle can be mounted and is movable in one direction, and a cage on which the pallet to be moved can be mounted and discharged. means for raising and lowering the pallet and storing the two-wheeled vehicle; a locking tooth row fixed to the lower part of the pallet along the moving direction; a drive wheel meshing with the locking tooth row; and a drive wheel rotatably attached to one end. an arm whose other end is swingably provided at a fixed position; a rotating wheel located on the other end side of the arm and having an axis colinear with the swinging axis of the arm; and a drive wheel and a rotating ring. The invention is characterized by comprising: a cable wound around the ring; a means for rotationally driving the rotary wheel; and a swinging drive means for swinging the arm so that the drive wheel engages and disengages from the locking tooth row. This is a storage/exit device for two-wheeled vehicles.

In a preferred embodiment, a means is provided which is coupled to the arm and connects the pallet to the cage with the driving wheel meshing with the locking tooth row, and disconnecting the pallet from the cage with the drive wheel disengaged from the locking tooth row. It is characterized by providing.

Effect According to the invention, a pallet, which is movable in one direction, is constructed so that it can be loaded onto and discharged from a cage, and the lower part of this pallet is provided with a locking tooth row, for example a chain. A drive wheel, for example a sprocket wheel or a pinion, which can mesh with the locking teeth, is supported by a swingable arm. Therefore, by meshing this drive wheel with the locking tooth row and driving the drive wheel, pallets can be loaded onto or discharged from the cage. Therefore, when storing and discharging the two-wheeled vehicle into the cage, there is no need for the operator to enter the cage, which is safe.

In order to drive the drive wheel, a rotating wheel having an axis on the same straight line as a straight line passing through the swing axis of the arm is provided, and a cable such as a chain is wound between the driving wheel and the rotating wheel, Therefore, it becomes possible to drive the drive wheel provided at one end of the swingable arm.

Angular displacement of the arm such that the drive wheel disengages from the locking teeth allows the cage to be raised or lowered.

Embodiment FIG. 1 is a simplified longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is a plan view of the embodiment.
A pit 13 is formed in the road surface 12, and a support 15 of the storage means 14 is erected within this pit 13. The strut 15 is provided with sprocket wheels 16 and 17 on the upper and lower sides, respectively. In these sprockets, the pin 33 of the cage 18 and the link plate 19 are pin-coupled between the wheels 16 and 17, and an endless cable 20 is wound around the wheels 16 and 17, so that the plurality of cages 18 are raised and lowered and circulated. A two-wheeled vehicle 23 is stored in and taken out of such a storage means 14 by means of a moving means 22, as shown in FIG. Two-wheeled vehicle 23 outside storage means 14
is placed by a person as shown by an imaginary line 23a, and in this state, the pallet 24 on which the two-wheeled vehicle 23 is mounted and held is moved in the movement direction 25 in which the two-wheeled vehicle 23 is stored in the cage 18, and the two-wheeled vehicle 23 is placed in the first place. It is housed in the cage 18 as shown by the solid line in FIG.

The two-wheeled vehicle 23 has a front wheel 28 that is angularly displaced by a handle 27 provided on the vehicle body 26 and a rear wheel 29 provided on the vehicle body 26.
A tiltable stand 30 formed in an inverted U-shape is attached to 6 between the front wheel 28 and the rear wheel 29. When the two-wheeled vehicle 23 is on flat ground, the front wheels 2
8 and the lower end of the erected stand 30 are in contact with the ground, and the rear wheel 29 is in an upright position with a distance above the ground.

FIG. 4 is a simplified perspective view of cage 18. The cage 18 has a rectangular frame 31 and inverted U-shaped side members 32 attached to both sides of the frame 31, and the side members 32 are provided with pins 33.

A pair of guide means 34 is fixed to the frame 31. This guide means 34 extends along the movement direction 25 of the two-wheeled vehicle 23. The guide means 34 includes a support member 35 made of channel steel, a running rail 36 fixed to the flange of the support member 35, and a restraining rail 3 arranged corresponding to the running rail 36.
7.

FIG. 5 is a plan view showing the pallet 24 and the moving means 22, and FIG. 6 is a side view of the pallet 24 and the moving means 22. A pair of guide means 39 are provided that extend from the road surface 12 while being supported by a frame 38 in the pit 13. This second guide means 39 has the same configuration as the above-mentioned guide means 34,
When one of the plurality of cages 18 is stationary for loading/unloading near the vertically extending portion of the cable 20, as shown by reference numeral 18a in FIG. The guide means 34 extends in a straight line along the direction in which the guide means 34 extends. Further, a connecting means 41 is provided for connecting the pallet 24 to the cage 18 and releasing the connected state.

FIG. 7 is a simplified perspective view of the pallet 24, and FIG. 8 shows the wheel 45 and the pallet 2 in its vicinity.
FIG. 4 is a sectional view showing a part of FIG. This palette 24
The pallet body 42 is the rear wheel 2 of the two-wheeled vehicle 23.
9 and a platform 43 that is placed in contact with the lower part of the stand 30, both sides 44 of this platform 43, and a plurality of wheels 45 supported by both sides 44 around a horizontal axis. The wheels 45 move along the running rails 36 of the guide means 34 and the second guide means 39 in the direction of the arrow 25 or in the opposite direction.
The loading platform 43 has a parking direction 25 for the two-wheeled vehicle 23.
A retaining device 46 is provided at the front or downstream end of.

On the back side of the platform 43 of the pallet body 42, a chain 47, which is a locking tooth row, is attached to a mounting member 48.
and a mounting seat 49. A guide piece 50 that opens outwardly below the chain 47 is fixed to the mounting member 48 .

FIG. 9 is an exploded perspective view of the holding device 46.
A shaft 52 having a vertical axis is fixed to the lower part of the disc-shaped rotary table 51, and this shaft 52 can be rotated snugly and rotatably within a cylinder 53 erected on the platform 43 of the pallet 24. to fit. The lower surface of the rotary table 51 is supported by a rotatable roller 54 provided on the mounting table 43 and having a spherical or right cylindrical shape, for example. In this way, the rotary table 51 can be smoothly angularly displaced around the vertical axis. A right cylindrical protruding piece 55 is fixed to the outer peripheral portion of the rotary table 51, and a protrusion 56 that protrudes outward is also fixed.

A mounting portion 59 of a mounting member 58 is supported on the rotary table 51 by a hinge 57 so as to be angularly displaceable on the downstream side of the storage direction 25 . A pair of side walls 60 are formed on both sides of the mounting portion 59 of the mounting member 58, and extend outwardly and upwardly. One end 62 of a leaf spring 61 is fixed to the lower part of the mounting portion 59, and an end 63 of this leaf spring 61 on the hinge 57 side
contacts the lower surface of the mounting section 59. A downwardly protruding protrusion 64 of the leaf spring 61 comes into contact with the upper surface of the rotary table 51. In this way, the front end 59a of the mounting portion 59 of the mounting member 58 in the storage direction 25, that is, the downstream end 59a
is biased upward by a leaf spring 61. A guiding platform 65 for guiding the front wheels 28 of the two-wheeled vehicle 23 to the mounting member 58 is fixed to the platform 43 of the pallet 24 . This guide table 65 is
Input direction 25 from loading platform 43 toward rotating platform 51
A sloped portion 66 that slopes diagonally upward along the slope, a pair of side walls 67 that are erected on both sides of the sloped portion 66 and expand outward, and a wall extending from the upper end of the sloped portion 66 above the rotary table 51. It has an extending portion 68 that extends, and a support member 140 that is erected on the lower surface of the inclined surface 66 and supports the guide table 65 on the mounting table 43.

A stopper 69 that abuts the protrusion 55 is fixed to the platform 43, and a stopper 73 that abuts the protrusion 56 is also fixed. When the projecting piece 55 is in contact with the stopper 69, the guide stand 65 and the mounting member 58 move the front wheel 28 of the two-wheeled vehicle 23 in the storage direction 2.
It is now ready to guide you along 5.

When guiding the two-wheeled vehicle 23 along the storage direction 25, the protrusion 56 contacts the stopper 73 and rotates the rotary base 51 in the rotation direction 70, so that the protrusion 55 moves toward the loading base 43. It elastically fits into a fitting recess 72 of a spring 71 fixed above.
By fitting the projecting piece 55 into the recess 72 of the spring 71, the angular displacement state of the rotary table 51 is maintained. The mounting platform 43 has an inverted U that abuts and supports the front wheel 28.
A letter-shaped stopper 130 is provided upright.

the first one with the pallet 24 on the second guide means 39;
In the state shown in FIG. 1, the mounting member 58 on the rotating table 51 is along the storage direction 25 together with the guiding table 65, and the protruding piece 55 is in contact with the stopper 69. In this state, the operator pushes the two-wheeled vehicle 23 from the road surface 12 onto the pallet 24 in the storage direction 25, so that the front wheels 28 pass through the guide platform 65 and move onto the mounting member 5.
8 on the mounting section 59. Next, the operator causes the stand 30 to protrude downward. As a result, the two ends of the stand 30 are connected to the mounting platform 43.
It will be in contact with the top. The front wheel 28 is the mounting member 5
8, the mounting member 58 is biased by the leaf spring 61, so its front wheel 28 is biased upward. Therefore, with the front wheel 28 of the two-wheeled vehicle 23 riding on and supported by the mounting member 58, the body 26 of the two-wheeled vehicle 23 tilts with the contact position on the mounting base 43 of the stand 30 as a fulcrum, and the rear wheel 29 is in contact with the platform 43. At this point, the worker leaves the platform 43.

While the pallet 24 is being moved in the storage direction 25 by the moving means 22, the stopper 73 protruding from the platform 43 comes into contact with the protrusion 56, and as shown in FIG. Rotation direction 70
The protrusion 55 starts to rotate, and remains in contact with the protrusion 55 until it fits into the fitting recess 72. When the protrusion 55 fits into the fitting recess 72, the stopper 73 and the protrusion 56 separate, and the second 10 The state shown in FIG. 3 is reached. With the protrusion 56 in contact with the stopper 73, the protrusion 55 is in contact with the spring 71.
is elastically fitted into the recess 72 of the rotary table 51.
0 The state in FIG. 3 is maintained. In this way, the handle 27 of the two-wheeled vehicle 23 is angularly displaced at an angle θ other than 90 degrees with respect to the warehousing direction 25.
This prevents the two-wheeled vehicle 23 from protruding greatly in the width direction (vertical direction in FIG. 10), and it becomes possible to shorten the width W necessary for storing the two-wheeled vehicle 23 within the cage 18.

11 is a sectional view of the connecting means 41 taken along the section line AA in FIG. 5, FIG. 12 is a sectional view taken along the section line BB in FIG. 5, and FIG. The figure is an exploded perspective view of this connecting means 41.
With reference to these drawings, the side portion 4 of the pallet 24
A right cylindrical fitting cylinder 75 having an axis extending in the vertical direction is fixed to 4 . Inside this fitting cylinder 75, there is a right cylindrical protrusion 7 whose upper end is conical.
6 is arranged so as to be freely insertable and removable. The lower end of the protruding piece 76 is
It is pin-coupled to a link 78 by a pin 77, and the link 78 is pin-coupled to an arm 80 by a pin 79. Arm 80 is fixed to shaft 81.
The shaft 81 has a horizontal axis that is perpendicular to the storage direction 25 and is fitted into the fixed cylinder 82 . An end of a bolt 85 that is threaded into a screw hole 84 of the fixed tube 82 comes into contact with a flat fixing surface 83 formed on the shaft 81 . In this way, the fixed cylinder 82 and the shaft 81 can be integrally displaced angularly around the axis of the shaft 81. Fixed cylinder 8
A contact piece 82 is fixed to 2, and this contact piece 86
is pulled downward by spring 87, thus spring-biasing shaft 81 clockwise in FIG. The amount of clockwise angular displacement of the shaft 81 in FIG. 11 by the spring 87 is limited by a stopper 88 fixed to the frame 31. Guide tube 91
is fixed to the frame 31 of the cage 18 by a bracket 92. The bracket 92 has a shaft 8
1 is supported for angular displacement about its axis.

When the arm 80 is in contact with the stopper 88, the protrusion 76 is fitted into the fitting tube 75,
Pallet 24 and cage 18 are thus integrally connected and displacement of pallet 24 on cage 18 along guide means 34 is prevented.

When a drive rod 89, which will be described later, is displaced upward from the position shown in FIG. 11, the abutting piece 86 is angularly displaced against the spring force of the spring 87 as shown by the imaginary line l in FIG. Therefore, the protruding side 76 is displaced downward along the guide tube 91, and the protruding piece 76 is displaced downwardly along the guide tube 91.
Leaves downward from 5.

Next, the moving means 22 will be explained using FIGS. 5, 6, and 14. FIG. 14 shows the moving means 22.
2 is a sectional view of the vicinity of the cage 18 side end of No. 2. FIG. Bearings 98 are provided at the ends of the pair of arms 97 on the cage 18 side.
A rotating shaft 99 is supported by. This rotating shaft 9
At 9, there is a sprocket wheel 10 which is a driving wheel.
0 is fixed, and a sprocket wheel 101 is fixed at the center position of the rotating shaft 99 in the axial direction. The other end of the arm 97 is swingably supported by a bracket 102 and a pin 103 fixed to the pedestal 38. Endless chain 104 wrapped around sprocket wheel 101
is wound around a sprocket wheel 106, which is a rotating wheel supported by a bracket 105 on a pedestal 38. This sprocket wheel 106
is fixed to the rotating shaft 107. A sprocket wheel 108 is also fixed to the rotating shaft 107. An endless chain 109, which is wound around the sprocket wheel 108, is wound around the sprocket wheel 110. This sprocket wheel 110 is rotationally driven by a motor 111. The axis of the shaft 107 is on a straight line passing through the axis of the pin 103 that supports the arm 97. The arm 97 is provided with a tension roller 112,
The chain 104 is wrapped around this and the chain 104
The tension is maintained. sprocket wheel 100
meshes with the chain 47 on the back side of the platform 43.

A bracket 113 is welded to the arm 97, and a connecting rod 131 is inserted through the bracket 113. That is, both ends of the connecting rod 131 are inserted through the bracket 113 and the nuts 141 are screwed thereto.
In this way, the pair of arms 97 are swingably attached to the connecting rod 131 via the bracket 113. By interposing the bracket 113 between the arm 97 and the connecting rod 131, the chain 104
and the connecting rod 131 are separated from each other. Connecting rod 131
There is a clevis connector 150 in the center of the piston rod 115, to which the tip of the piston rod 115 is rotatably connected.
The cylinder 114 is swingably fixed to a bracket 118 by a pin 117.
8 is fixed to a pedestal 38. Thus, when the piston rod 115 is in the extended state shown in FIGS. 5 and 6, the sprocket wheel 10
0 meshes with the chain 47, and in this state the motor 11
1 is driven, the pallet 24 is moved. By retracting the piston rod 115, the arm 97 rotates about the axis of the pin 103, and the connecting rod 131 moves to the position indicated by reference numeral 13 in FIG.
Install sprocket wheel 1 in the position indicated by 1a.
00 are respectively provided at the positions indicated by reference numeral 100a in FIG. As a result, the sprocket wheel 100 is disengaged from the chain 47, and the arm 97 and the sprocket wheel 10 are disengaged.
0 means that the pallet 24 is evacuated so that it does not interfere with the vertical movement of the pallet 24.

A door 120 is provided on the moving means 22 side of the storage means 14.
(See Figures 1 and 2), this door 120 is raised and lowered by a lifting means 122 via a cable 121, and the two-wheeled vehicle 23 can enter and exit the garage with the door 120 raised. Become. Detector 123
detects that the two-wheeled vehicle 23 has finished being loaded on the pallet 24 outside the storage means 14, and upon this, the control device raises and opens the door 120 by the lifting means 122.

During operation, the door 120 is lowered and closed, and the pallet 24 is placed outside the storage means 14 and is in a standby state. At this time, the piston rod 115 of the moving means 22 is retracted, and the sprocket wheel 100 is in the position indicated by reference numeral 100a in FIG. Rail 3 of second guide means 39
6, the rotating table 51 is in the position shown in FIG. 10.

There, the worker placed the two-wheeled vehicle 2 on the pallet 24.
3 and place it on the pallet, and leave the pallet 24 in a state where the stand 30 and the rear wheel 29 are in contact with the mounting platform 43. At this time, the chain 47 disposed on the lower surface of the pallet 24 and the wheel 100 are in mesh with each other. That is, chain 47
If the wheels 100 and 100 are not engaged, the pallet 24 will become movable, which is dangerous.
Therefore, the chain 47 and the wheel 100 are engaged to prevent the pallet 24 from being freely displaced and to ensure that it is stopped at the standby position. In this state, the piston rod 115 is in an extended state.

In the state shown in FIG. 10 described above, the two-wheeled vehicle 2
3 is a state before storage, and when the pallet 24 moves forward in the moving direction 25, the protrusion 56 comes into contact with the stopper 73, and the rotary table 51 automatically rotates.
When the pallet 24 moves further forward, the stopper 73
and the protruding piece 56 are separated from each other, the rotation of the rotary table 51 is stopped, and the protruding piece 55 is fitted into the fitting recess 72. At this time, the storage of the pallet 24 in the gauge 18 is completed.

When the operator leaves the vicinity of the pallet 24 guided and supported by the guide means 39, the detector 123 (see FIGS. 1 and 2) detects this, and the control circuit causes the lifting means 122 to move away. door 120
rise. At the same time, the piston rod 115 of the moving means 22 is extended, resulting in the state shown in FIGS. 5 and 6. By this, the reference numeral l1 in FIG.
The sprocket wheel 10 is attached to a chain 47 provided on the pallet 24 having a length indicated by
0 are smoothly guided by the guide piece 50 and mesh. When the arm 97 is angularly displaced by the extension of the piston rod 115, the drive rod 89 fixed to the arm 97 displaces the abutment piece 86 upward against the spring force of the spring 87. As a result, the protruding piece 76 of the connecting means 41 is lowered and separated from the fitting tube 75, allowing the pallet 24 to move.

Next, the sprocket wheel 110 is rotationally driven by the motor 111, and therefore the sprocket wheels 108, 106, and 101 are rotationally driven, and the sprocket wheel 1, which is the driving wheel, is rotated.
00 is driven in the direction of arrow 130. As a result, the pallet 24 is moved in the warehousing direction 25.

When the storage is completed, the motor 111 is stopped, and the elevating means 122 lowers the door 120 and closes it.

Therefore, the piston rod 115 is retracted, and the arm 9
7 rotates about the axis of the pin 103, and the sprocket wheel 100 is rotated by the reference numeral 10 in FIG.
It is brought to the position indicated by 0a. At this time, the drive rod 89 fixed to the arm 97 descends,
Therefore, the contact piece 86 in the connecting means 41 is angularly displaced clockwise in FIG. 11 by the spring force of the spring 87. As a result, the protruding piece 76 is attached to the fitting tube 75.
Go inside, and thus pallet 24 and cage 1
Mutual displacement with 8 is prevented, resulting in a connected state.

Then, the sprocket wheels 16 and 17 in the storage means 14 are rotated, a new cage 18 is moved to the vicinity of the door 120, and the pallet 24 is moved by the moving means 22 from the cage 18 in which the two-wheeled vehicle 23 is not stored. In the raised state of 120, it is pulled out from the storage means 14 and returns to the standby state where it is guided and supported by the rails 39.

When the two-wheeled vehicle 23 is taken out of the storage means 14, the operation opposite to the above-mentioned storage operation is performed. The inclined handle 27 allows the pallet 24 to
8, the operator manually operates the front wheels 28 to return them so that they are substantially parallel to the moving direction 25. In this state, the two-wheeled vehicle 23 is moved backward in the direction opposite to the moving direction 25, and the front wheels 28 are moved to the rotating platform 5.
1. Lower it from above and take it out. Note that the projection 56 does not come into contact with the stopper 73 at this time.

When such a motorcycle loading/unloading device is operated 24 hours a day, for example, from 6 a.m. to 2 p.m., priority is given to parking, and the pallets 24 are placed on the frame 38.
Alternatively, the pallets 24 may be placed on standby in the cage 18, and the pallets 24 may be placed on standby in the cage 18 with priority given to delivery after 2:00 p.m.

In the above-mentioned embodiment, each pallet 24 is configured to accommodate only one two-wheeled vehicle 23, but the width of the platform 43 of this pallet 24 is made longer so that only one two-wheeled vehicle 23 can be accommodated on one pallet 24. A plurality of two-wheeled vehicles 23 may be mounted on the vehicle.

In the embodiment described above, the chain 47 is used as the locking tooth row.
was used, but as an example of the present invention,
A rack may be used instead of the chain 47, and in this case, a pinion that meshes with the rack may be used instead of the sprocket wheel 100 as the driving wheel.

Instead of the two-wheeled vehicle 23, bicycles and other two-wheeled vehicles may also be accommodated.

Effects As described above, according to the present invention, a two-wheeled vehicle is loaded onto a pallet outside the cage, the pallet is moved into the cage by the drive means, the pallet is loaded onto the cage, and the vehicle is stored in the warehouse. be able to. Further, the pallet on which the two-wheeled vehicle is mounted can be discharged from the cage by driving the drive means. In this way, the two-wheeled vehicle can be taken in and out of the garage without a person having to enter the cage. Therefore, safety is ensured.

Furthermore, according to the present invention, a drive wheel is provided at one end of the swingable arm, and the drive wheel is configured to be able to mesh with a locking tooth row provided at the lower part of the pallet. This makes it possible to load and unload pallets onto and from the cage while the cage is stopped, and when the cage is raised and lowered, the arm is angularly displaced so that the drive wheel can be moved to the engagement provided on the pallet inside the cage. By separating from the stop tooth row, the arm etc. will not get in the way when the cage is moved up and down.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is a plan view of the embodiment shown in FIG. Simplified side view showing the state in which the
5 is a plan view of the pallet 24 and the moving means 22, FIG. 6 is a side view of the pallet 24 and the moving means 22, and FIG. 7 is a simplified perspective view of the pallet 24. 8 is a sectional view showing the wheel 45 and a part of the pallet 24 in the vicinity thereof, FIG. 9 is an exploded perspective view of the holding device 46,
FIG. 10 shows a two-wheeled vehicle 23 using a holding device 46.
FIG. 11 is a cross-sectional view of the connecting means 41 taken along the section line A-A in FIG. 5.
FIG. 12 shows the connecting means 41 along the section line B-- of FIG.
13 is an exploded perspective view of the coupling means 41, FIG. 14 is a sectional view showing the sprocket wheel 100 supported on one end of the arm 97, and FIG. 15 is a sectional view of the prior art. It is. 14... Storage means, 18... Cage, 22...
Transportation means, 23... Two-wheeled vehicle, 24... Pallet, 28... Front wheel, 29... Rear wheel, 30... Stand, 34, 39... Guide means, 41... Connection means, 42... Pallet body, 45...Wheel, 46
... Holding device, 47 ... Chain (locking tooth row), 5
1... Turntable, 54... Roller, 58... Riding member, 61... Leaf spring, 65... Guidance stand, 75...
Fitting cylinder, 76... Projection piece, 89... Drive rod, 100
...Drive sprocket wheel, 114...Cylinder, 115...Piston rod.

Claims (1)

[Scope of Claims] 1. A pallet on which a two-wheeled vehicle is mounted and movable in one direction, and a cage on which the pallet to be moved can be mounted and discharged, the cage being moved up and down, A means for storing a two-wheeled vehicle, a locking tooth row fixed to the lower part of the pallet along the moving direction, a drive wheel meshing with the locking tooth row, a drive wheel rotatably supported at one end and a locking tooth row at the other end. an arm that is provided at a fixed position so as to be swingable; a rotating wheel that is located on the other end side of the arm and has an axis on the same straight line as the swinging axis of the arm; A means for rotationally driving a rotary wheel; and a swinging drive means for swinging an arm so that the drive wheel engages and disengages from a locking tooth row. Device. 2. A means is provided that is linked to the arm and connects the pallet to the cage with the drive wheel meshing with the locking tooth row, and disconnects the pallet from the cage when the drive wheel is disengaged from the locking tooth row. A two-wheeled vehicle loading/unloading device according to claim 1.