JPH0665598B2 - Vehicle loading / unloading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a trailer, a freight car, a crane by laterally pulling out a specific track from a plurality of vehicles arranged in the running direction, for example, a track. The present invention relates to a loading / unloading device for a vehicle that is loaded or unloaded on a hanging plate or the like.

(Prior art) When loading and unloading a truck with a cab (with an engine) from the suspension plate of a trailer, a freight car, or a crane, the truck with the cab (with an engine) supports the shiyashi at the mounting part between the loading platform and the shiyashi. Since it does not have enough strength to load, it cannot be loaded onto a trailer, a freight car, a hanging plate of a crane, etc., or unloaded by a crane, and the truck is self-propelled as shown in Fig. 4. Then, the trailer (16) is loaded on the freight car, then transported to the destination by the trailer (16), or the truck is self-propelled as shown in FIG. 5, and the hanging plate (17a) of the large crane (17) is moved. ) It is carried on top and then hoisted for transport from the ship to the quay and vice versa.

In the case of FIG. 4 and FIG. 5, the truck is self-propelled and loaded on the trailer (16) or freight car, or on the suspension plate (17a) of the large crane (17). It is not possible to pull out a specific truck from the multiple trucks lined up in a row and load it on a trailer, freight car, hanging plate of a crane, etc.If necessary, use a wide fork. If you use the forklift you have, you can pull it out sideways, but if there is a protrusion (16a-1) on the loading platform (16a) of the trailer (16), as shown in Fig. 6, a wide fork (1
8) interferes with the protruding portion (16a-1), so that the laterally pulled out truck wheel cannot be landed on the bed (16a) of the trailer (16).

This point becomes possible by using the vehicle loading / unloading device shown in FIG. That is, (22) is a frame mounted on a lift bracket of a forklift (cargo handling vehicle), (21) is a support frame fixed to the same frame (22), and (20) is a chain attached to the support frame (21). Main frame suspended by (28), (26) is the main frame (2
Boom attached to (0) to allow expansion and contraction in the direction of the arrow (24),
(25) is a hydraulic cylinder for expanding and contracting the boom (26) in the direction of the arrow (24), and (29) is four cylinders attached to the boom (26) so that the boom (26) can be opened and closed about the fulcrum (27). Support legs, (23) hydraulic cylinders for opening and closing each support leg (29), (30)
Is a lift shoe attached to the lower end of each of the support legs (29).

In the vehicle loading / unloading apparatus shown in FIG. 7, when a specific truck is laterally pulled out from a plurality of trucks arranged in a line and loaded on the trailer, the hydraulic cylinder (25) is operated in the extension / contraction direction. Then move the boom (26) left and right to match the distance between the left and right support legs (29) to the track wheelbase (the distance between the front and rear wheels), and adjust the front hydraulic cylinders (2
3) Operate in the contraction direction to raise each front support leg (29) from the hanging position to the horizontal position, and then move the forklift forward to attach it to the lower end of each rear support leg (29). The lift shoe (30) to the front and rear wheels on either the left or right side of the truck, and then lower the front support legs (29) from the horizontal position to the vertical position to the lower end of each support leg (29). Contact the attached lift shoe (29) and the front and rear wheels on the other side of the truck, then raise the lift bracket of the forklift to lift the truck, then retract the forklift to laterally pull the truck, then the forks. Move the lift to the trailer position, then lower the lift bracket of the forklift to perform full loading / loading.
Unload the unloading device on the trailer's bed, then operate each front hydraulic cylinder (23) in the contraction direction to raise each front support leg (29) from the hanging position to the horizontal position, and then lift the forklift. It is retracted and the truck is loaded on the trailer's bed.

(Problems to be Solved by the Invention) In the conventional vehicle loading / unloading apparatus shown in FIG. 7, (I) when the total height of the apparatus is high and the height is limited, for example, under a railway bridge. It interferes with loading, unloading and moving of trucks. (II) or fulcrum (2) of support leg (29)
Since 7) is on the upper end of the support leg (29), the opening width of the upper part of the support leg (29) near the fulcrum (27) is small and the loading and loading of the truck
When loading and unloading, there was a problem of interference with the truck.

The present invention is proposed in view of the above problems, and an object thereof is to reduce the total height of the device and not hinder loading / unloading or movement of vehicles under a railway bridge or the like. .
Another object of the present invention is to provide a vehicle loading / unloading device capable of preventing the support leg from interfering with the vehicle, which has occurred during loading / unloading of the vehicle.

(Means for Solving the Problems) In order to achieve the above-mentioned object, loading / unloading of the vehicle of the present invention
The unloading device consists of a lift bracket that can be lifted up and down along the left and right direction of the vehicle at the front of the cargo handling vehicle, and a pair of vertical forks that allow the cargo handling vehicle to move in the left and right direction along the lift bracket. And a pair of horizontal sleeves having one end fixed to the upper portion of each vertical fork while being configured to be able to expand and contract in the front-rear direction of the cargo handling vehicle, and the other end of each horizontal sleeve along the front-back direction of the cargo handling vehicle. It comprises a pair of support legs mounted so as to be tiltable about an axis, and a lift shoe mounted on the lower ends of the support legs and the vertical forks.

(Operation) The vehicle loading / unloading apparatus of the present invention is configured as described above, and a specific vehicle is laterally pulled out from a plurality of vehicles (for example, trucks) arranged in a line and loaded on the trailer. When loading, move a pair of vertical forks attached to the lift bracket of the cargo handling vehicle to the left and right of the cargo handling vehicle, and adjust the space between the left vertical fork and left support leg and the right vertical fork and right support leg to Alignment with the wheel base of (the front and rear spacing of wheels such as tracks), and by extending and contracting each horizontal sleeve in the front and rear direction, the spacing between the left vertical fork and the left support leg, and the spacing between the right vertical fork and the right support leg. To the horizontal spacing of the wheels of the truck, etc., and then tilt each support leg from the hanging position to the horizontal position around the axis along the front-rear direction of the cargo-handling vehicle. Of the vertical forks, the lift shoe attached to the lower end of each vertical fork is brought into contact with one of the front and rear wheels on either the left or right side of the truck, and then each supporting leg is lowered from the horizontal position to the vertical position. The lift shoe attached to the lower end is brought into contact with the front and rear wheels on the other side such as a truck, and then the lift bracket of the cargo handling vehicle is raised.
Lift the vehicle, then retract the cargo handling vehicle, laterally pull out the truck, etc., then run the cargo handling vehicle to the trailer position, then lower the lift bracket of the cargo handling vehicle to remove the loading / unloading device from the trailer. Unload on the loading platform, then extend each horizontal sleeve forward of the loading vehicle, then tilt each support leg from the hanging position to the horizontal position, then retract the loading vehicle and load the truck etc. onto the loading platform of the trailer. .

(Embodiment) Next, a vehicle loading / unloading apparatus of the present invention will be described with reference to an embodiment shown in FIGS. 1 and 2. (1) is a forklift (cargo handling vehicle), and (10) is the same forklift. A lift bracket attached to the front of (1) along the left-right direction of the forklift (1), and (2) allows the forklift (1) to move left-right along the same lift bracket (10). A pair of vertical forks attached (14) is a pair of horizontal sleeves.Each horizontal sleeve (14) is configured to allow the forklift (1) to expand and contract in the front-back direction, and one end of each vertical fork. It is fixed on the upper part of (2).

(3) is the same as the pair of horizontal sleeves (14) that are attached to the front end of each horizontal sleeve (14) to allow tilting (see arrow (9)) about the pin (3a) (the longitudinal axis of the forklift (1)). Lift legs attached to the lower ends of the supporting legs, the supporting legs (3) of (4) and the vertical forks (2), (5) is the track, and (6) is the same track.
The wheel of (5), (7) the distance between the supporting legs (3), (11) the twist pin, and (12) the horizontal sleeve (14) in the fore-and-aft direction of the forklift (1). A hydraulic cylinder for actuating, (13) a hydraulic cylinder for tilting each of the supporting legs (3), and (15) a hydraulic cylinder for relatively moving the vertical forks (2) toward and away from each other. Is.

Next, the operation of the vehicle loading / unloading device shown in FIGS. 1 and 2 will be specifically described.

(1) First, a case where a plurality of trucks arranged in a line are laterally pulled out and loaded on a trailer will be described. In this case,
Operates the hydraulic cylinder (15) in the expansion and contraction direction to
Move the pair of vertical forks (2) attached to the lift bracket (10) in (1) to the left and right of the fork lift (1) to move the left vertical fork (2) and each support leg (3) and the right side. The space (7) between the vertical fork (2) and each support leg (3) is adjusted to the wheel base of the track (5) (the space in the front-rear direction of the wheel (6) of the track (5)).

In addition, each hydraulic cylinder (12) is operated in the expansion / contraction direction, and each horizontal sleeve (14) is expanded / contracted in the fore-and-aft direction of the forklift (1), so that the left-and-right vertical forks (2) and the left-side support leg (3) are in the front-rear direction. The distance in the direction and the distance in the front-rear direction between the right vertical fork (2) and the right support leg (3) are matched with the distance in the left-right direction of the wheel (6) of the track (5).

Then, each hydraulic cylinder (13) is operated in the extension direction to tilt each support leg (3) from the hanging position to the horizontal position around the pin (3a) (see arrow (9)), and then the fork lift ( 1) Move forward, and attach the cylinder (4) attached to the lower end of each vertical fork (2) to either the front or rear wheel of the track (5).
(6), then actuate each hydraulic cylinder (13) in the contracting direction to tilt each support leg (3) from the horizontal position to the hanging position around the pin (3a), The lift shoe (4) attached to the lower end of (3) is brought into contact with the remaining front and rear wheels of the track (5), and then the lift bracket (10) of the forklift (1) is raised to lift the track (5). Lift (see Fig. 2), then retract the forklift (1) to laterally pull out the track (5), then drive the forklift (1) to the trailer position, then lift the forklift (1). Lower the bracket (10) onto the trailer's carrier, unload the main loading / unloading device and the truck (5) onto the trailer's carrier, and then extend each horizontal sleeve (14) forward of the forklift (1). Then each support leg
The (3) is tilted about the pin (3a) from the hanging position to the horizontal position, then the forklift (1) is retracted, and the truck (5) is loaded on the bed of the trailer.

(2) Next, a case where the truck (5) is loaded on the trailer without being pulled out laterally will be described. In this case, the truck (5) is run and loaded on the main loading / unloading device. This state is the third
This is shown in Figures (I) to (V). That is, FIGS. 3 (I) to (I
As shown in I), run the truck (5) on each lift shoe (4) of the main loading / unloading device, then raise the lift bracket of the forklift to lift the truck (5), then lift the forklift. After retreating, run to the trailer position, then lower the forklift lift bracket onto the trailer's bed, and then extend each horizontal sleeve (14) forward of the forklift as shown in Fig. 3 (III). Then, as shown in Fig. 3 (IV), tilt each support leg (3) from the hanging position to the horizontal position,
Next, as shown in FIG. 3 (V), the forklift is retracted, and the truck (5) is loaded on the trailer's loading platform.

In this embodiment, the hydraulic cylinder (15) for moving the vertical fork (2) (2) in the left and right direction of the fork lift (1) may be installed between the vertical middle positions of the vertical forks (2) (2). Moreover, the frame and support frame (see (21) and (22) in Fig. 7) which were required in the conventional loading and unloading device are not required, and the center of gravity of the device can be lowered, the weight can be reduced, It has the advantage of stable loading / unloading and movement of vehicles.

(Effects of the Invention) The vehicle loading / unloading apparatus of the present invention is used when a specific vehicle is laterally pulled out from a plurality of vehicles (for example, trucks) lined up in a row as described above and is loaded on a trailer. Moves a pair of vertical forks attached to the lift bracket of the cargo handling vehicle in the left-right direction of the cargo handling vehicle to set the distance between the left vertical fork and the left support leg and the right vertical fork and the right support leg to the wheelbase of a truck or the like. Aligning with (the front-rear direction spacing of the wheels of the truck, etc.) and expanding and contracting each horizontal sleeve in the front-back direction, the spacing between the left vertical fork and the left support leg, and the spacing between the right vertical fork and the right support leg,
After adjusting the horizontal spacing of the wheels of the truck, etc., and then tilting each support leg from the hanging position to the horizontal position around the axis line along the longitudinal direction of the cargo handling vehicle, advance the cargo handling vehicle to the lower end of each vertical fork. The lift shoe attached to the section is brought into contact with either the left or right front or rear wheel such as a truck, and then each supporting leg is lowered from the horizontal position to the horizontal position,
The lift shoe attached to the lower end of each support leg is brought into contact with the remaining front and rear wheels of the truck, etc., then the lift bracket of the cargo handling vehicle is raised, the vehicle is lifted, then the cargo handling vehicle is retracted, and the truck etc. Do horizontal punching,
Then move the cargo handling vehicle to the trailer position, then lower the lift bracket of the cargo handling vehicle to unload the loading / unloading device on the trailer loading platform, then extend each horizontal sleeve in front of the cargo handling vehicle, and then Since the supporting legs are tilted from the drooping position to the horizontal position, and then the cargo handling vehicle is retracted to load the trucks and the like on the trailer's loading platform, a support frame (see (21) in Fig. 7) etc. is not required. The overall height of the truck can be lowered, and there will be no hindrance to the loading, unloading and movement of trucks where there is a height restriction, such as under the railway bridge.

In addition, each horizontal sleeve is extended in front of the cargo handling vehicle, and after tilting each support leg from the hanging position to the horizontal position, the cargo handling vehicle is retracted and trucks are loaded on the trailer. This has the effect of preventing the interference of the support legs with the vehicle, which occurred at the time of wholesale.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a vehicle loading / unloading apparatus according to the present invention, FIG. 2 is a perspective view showing a lifted state of a vehicle, and FIGS. 3 (I) to (V) are operation explanations. Fig. 4 and Fig. 4 are explanatory views showing a state in which the truck travels on the trailer and is loaded, Fig. 5 is an explanatory diagram showing a state in which the truck is lifted by the hanging plate of the crane, and Fig. 6 uses a wide hoo And FIG. 7 is a perspective view showing a conventional loading / unloading device for a vehicle. (1) …… Cargo handling vehicle (forklift), (2) …… Vertical fork, (3) …… Supporting leg, (4) …… Lift shoe, (5) ……
Vehicles such as trucks, (10) ... lift brackets, (14) ...
… Horizontal sleeves.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mikio Yasushima 3000 Tana, Sagamihara City, Kanagawa Mitsubishi Heavy Industries, Ltd. Sagamihara Works (72) Inventor Issei Hanaya 3000, Tana, Sagamihara City, Kanagawa・ In Eye Sagami High-Tech Co., Ltd. (56) References Japanese Patent Publication No. 47-42456 (JP, B1) Japanese Patent Publication No. 50-1547 (JP, B1)

Claims (1)

[Claims] Claims: 1. A lift bracket which is mounted on the front part of a cargo handling vehicle along the left-right direction of the vehicle and which can be moved up and down, and a pair of vertical forks mounted so that the cargo handling vehicle can be moved along the left-right direction. And a pair of horizontal sleeves having one end fixed to the upper portion of each vertical fork while being configured to be able to expand and contract in the front-rear direction of the cargo handling vehicle, and the other end of each horizontal sleeve along the front-back direction of the cargo handling vehicle. A loading and unloading device for a vehicle, comprising a pair of support legs mounted so as to be tiltable about an axis and a lift shoe mounted on the support legs and the lower ends of the vertical forks. .