JPS5932338B2 - Lashing device for container transport vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lashing device for lashing a container to a loading platform in a container transport vehicle.

Conventionally, containers are secured to the loading platform at the four lower corners with twist locks, but this requires all four twist locks to be secured, and it can be dangerous if even one of the twist locks is forgotten. This is extremely dangerous, especially in transport vehicles in which the container is tilted backwards together with the loading platform to discharge the cargo, and the lashing operation is complicated.

The present invention has been made in view of these points, and provides a safe and reliable lashing device for a container transport vehicle that automatically secures a container and a loading platform when the container is loaded onto the loading platform. It is something.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, reference numeral 1 denotes a container transport vehicle, on which a cargo platform 3 is mounted on the upper part of a vehicle platform 2, and the rear section of the platform 3 is pivotally supported by the vehicle platform 2 via a hinge 4, so that it can be tilted rearward. ζ is provided.

The loading platform 3 is loaded with a container 5 so as to be freely loaded and unloaded, and is provided with a guide rail 6 for the container 5 at the top and a winch 7 for lifting the container 5 at the front. It is removably connected to the front of the.

The container 5 has a rear discharge door 9 held at the upper end,
A running roller 10 is provided at the lower part, and a horizontal reinforcing member 11 is fixed to the front end, and the winch 7 lifts it onto the loading platform 3, and the loading door 9 is opened to tilt the loading platform 3 backwards and load it. eject things.

The container transport vehicle 1 is provided with a front lashing device 12 and a side lashing device 13 at the front center and on both sides, and the front lashing device 12 is configured as shown in FIGS. 2 and 3. , the container 5 is provided with an engaged member 14, and the loading platform 3 is provided with an engaging member 15 and an operating member 16.

The engaged member 14 is made up of an L-shaped member 17 fixed to the lower front end of the container 5. The tip of the L-shaped member 17 faces forward and is formed with a tapered point 17a, and a recess 1 is formed in the lower part.
7b is formed.

On the other hand, two channel-shaped brackets 18 are fixed in parallel to the loading platform 3 in the front-rear direction, and the engaging member 15 is provided at the front of the bracket 18, and the operating member 16 is provided at the rear.

The engaging member 15 includes a hook 20 and a lever 21. A horizontal pivot 19 is rotatably held on the bracket 18, and the hook 20 and the lever 21 are attached to the pivot 19 between the brackets 18. , a first link 22 and a second link 23 are fixed at their proximal ends to both outer ends of the bracket 18,
The hook 20. Lever 21. The first link 22 and the second link 23 rotate together.

The hook 20 protrudes rearward, and has an upwardly bent hook portion 20a formed at its tip.

The lever 21 projects obliquely upward in the front, the first link 22 projects downward, and the second link 23 projects forward.

A spring 24 is stretched between the tip of the second link 23 and the bracket 18, and the connection portion of the spring 24 to the bracket 18 is located on the horizontal line X passing through the pivot 19. The hook 20 and the lever 2 are rotated across the horizontal line
1 and the first link 22 are also each held in the 2 position.

The operating member 16 includes a bell crank 26, a pushing member 27, a first link 22, and a transmission link 34, and a horizontal pivot 25 is fixed to the bracket 18 with one end protruding laterally, A bell crank 26 and a pushing member 27 for suppressing and rotating the bell crank 26 counterclockwise in FIG. 2 are separately rotatably provided on the pivot shaft 25.

The bell crank 26 has a first arm portion 26a and a second arm portion 26b.
The distal end of the first arm portion 26 a and the distal end of the first link 22 are connected by a transmission link 34 .

The pushing member 27 has a fan-shaped weight part 27a at the lower part,
It has a connecting portion 27b at the top, and a pressing portion 27c that projects laterally and a contact portion 27d that projects upwardly extend from the connecting portion 27b.

The pressing part 27c contacts the rear part of the second arm part 26b,
The contact portion 27d is in contact with the reinforcing member 11 of the container 5, and the pushing member 27 is always vertically erected by the weight portion 27a.

The front part and the upper half between the two brackets 18 are covered by an integral cover 28, and the lever 2 is attached to the integral cover 28.
One through hole 28a is opened, and a thick portion 28b for preventing the molded member 17 from jumping up is formed at the rear end ζ.

At the lower part of the rear end of the thick part 28b, there is a cutout in the front corner to form an L.
A guide surface 28c for the mold member 17 is formed.

Further, a guide plate 29 is provided in the center between both brackets 18 to guide the recessed member 17, and the guide plate 29 is formed in a dogleg shape with a horizontal portion 29a and a downwardly inclined portion 29b. ing.

30 is a stopper. As shown in FIG. 4, in the side lashing device 13, an L-shaped engaging member 31 that protrudes rearward is fixed to the loading platform 3, and an engaged member 32 is fixed to the side of the container 5. It is fixed.

The engaged member 32 (O) is formed into a box shape with an open front surface, and on both sides of the front surface there are guide plates 3 that extend laterally toward the front.
3 are installed in succession.

Next, to explain the operation, the container 5 is moved by the winch 7.
to pull it up onto the loading platform 3 along the guide rail 6.

At this time, the front lashing device 12 is in the released state (see Figure 5 a).
That is, the hook 20 is located downward, the second arm portion 26b of the bell crank 26 is in a vertical state, and the pushing member 27 is also in a vertical state with its own weight portion 27a.

When the container 5 is moved forward from this state, the front surface of the reinforcing member 11 of the container 5 is brought into contact with the contact portion 27d of the pushing member 27.
The connecting portion 27b of the pushing member 27 is rotated forward.

The rotation of the connecting portion 27b causes the pressing portion 27c to rotate the second arm portion 26b of the bell crank 26 forward, and the first arm portion 26a rotates the first link 22 backward via the transmission link 34. , due to the rotation of this first link 22, the hook 2
0 rotates upward and is positioned in the locked state (see Figure 5).

Subsequently, the L-shaped member 17 is inserted between both brackets 18, and the pointed head 17a is inserted between the guide plate 29 and the thick part 28b while being guided by the inclined part 29b and the guide surface 28c.
The hook 20a of the hook 20 engages with the recess 17b and is secured.

Further, when the reinforcing material 11 passes through the pushing member 27,
The weight portion 2γa rotates back to the vertical state due to its own weight (see FIG. 5C).

At this time, since the pressing portion 27c rotates in a direction separating it from the second arm portion 26b, no force is applied to rotate the second arm portion 26b, and the bell crank 26 maintains the same posture.

Further, in the side lashing device 13, the engaging member 31 is inserted into the engaged member 32 as the container 5 moves forward, and the engaging member 31 is lashed.

When unloading the container 5 from the loading platform 3, when the lever 21 is rotated backward, the hook 20 is rotated downward, and the binding with the L-shaped member 17 is released, and the second arm 26b of the bell crank 26 is unloaded. C is rotated backward and positioned in a vertical position.
reference).

Next, when the container 5 is moved backward Q, the reinforcing material 1
1 comes into contact with the contact portion 27d, and the connecting portion 27b rotates backward (see FIG. 5C).
Since the second arm portion 26b is rotated in a direction that is separated from the second arm portion 26b, a force that rotates the second arm portion 26b is not applied, and the bell crank 26 is not affected in any way.

Further, when pulling up the container 5, if the hook 20 of the front lashing device 12 is in the lashing state, the pushing member 27 will rotate as described above due to the reinforcing member 11, but the bell crank 26 and the hook 20 will not be affected. It maintains its binding state without any problem.

In this embodiment, if a limit switch is provided in the front lashing device 12 and a pilot lamp connected to the limit switch is provided in the driver's cab, safety will be further improved.

As described above, according to the present invention, the container is automatically secured to the loading platform by the loading operation of the container onto the loading platform, and moreover, even when the engaging member is in the released state, the container is automatically secured to the secured state. As a result, the container can be secured to the loading platform without performing any lashing operation, which greatly simplifies the unlashing operation, and also prevents forgetting to secure the container, making it extremely safe.

[Brief explanation of the drawing]

The drawings illustrate embodiments of the present invention, and FIG. 1 is a side view of the container transport vehicle, FIG. 2 is a side view of the front lashing device partially removed, and FIG. 3 is a rear view of the same. 4 are perspective views of the side lashing device, and FIGS. 5 a, b, c, d, and e are schematic diagrams showing the operation of the front lashing device. 1... Container transport vehicle, 3... Loading platform,
5...Container, 11...Reinforcement material, 1
2...Front lashing device, 13...Side lashing device, 14...Engaged member, 15...
・Engagement member, 16... Operating member, 17...
...L-shaped member, 18...Bracket, 20...
...Hook, 21...Lever, 22-...
-...First link, 23...Second link, 26
... Bell crank, 27 ... Pushing member, 29 ... Guide plate.

Claims (1)

[Scope of Claims] 1. In a container transport vehicle in which a movable container is mounted on a loading platform, an engaged member is fixed to the lower part of the container, and the loading platform is configured such that the engaged member can be freely engaged with and detached from the secured member. an engaging member, and an operating member that is appropriately linked to the engaging member and is rotatable by contact with the container, and when the container moves forward, the engaging member is connected to the engaged member via the operating member. A lashing device for a container transport vehicle, characterized in that the lashing device is engaged with the lashing device. 2. The engaging member comprises a hook pivotally supported on the front part of a bracket fixed to the loading platform, and a member integrally fixed to the hook. binding device. 3. The operating member includes a bell crank pivotally supported at the rear of a bracket fixed to the loading platform, a pushing member adjacent to the bell crank and pivotally supported by the bracket for pushing and operating the bell crank. A lashing device for a container transport vehicle according to claim 1 or 2, comprising a transmission link that connects a link fixed to a hook of a member and the bell crank.