JP2003063298A - Loading device for truck loading space and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple and inexpensive device capable of safely and effectively conducting work by a small number of workers, reducing energy loss by decreasing friction resistance at moving a movable element, downsizing a driving mechanism, and preventing a breakdown. SOLUTION: For forming a loading space 12, right and left side plates 21 are provided on a fixed bottom plate 14 so as to be moved in a back-and-forth direction by a cylinder 23 and the like. A division wall element 24 capable of being locked with the side plates 21, moving with the side plates 21 at the time of locking, and letting the side plates 21 move at the time of non-locking is provided between the right and left side plates 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo handling device for unloading and loading as a truck carrier or a container.

[0002]

2. Description of the Related Art Taking a truck carrier as an example, as a method of unloading a small non-lump such as scrap iron and other chips, granular material such as gravel, etc., as shown in FIG. Raise and lower to incline,
There is a so-called dump type, as shown in FIG. 16, in which the loading platform 1 is provided with a feed plate 4 that moves rearward by a cylinder 3, and the feed plate 4 pushes the chips on the loading platform 1 backward.

Further, as shown in FIG. 17, a platform 5, a hydraulic device 6, a cylinder 7, an overvan 8,
It is composed of a weighing device 9, and the platform 5 is a hydraulic device 6.
The tip car is tilted up to 55 degrees by driving the cylinder and the cylinder 7 for unloading. It is framed by shaped steel and steel plate and has sufficient width and strength for unloading the tip car. A car stop device backstop 10 made of strong shaped steel for supporting the tip wheel when the platform 5 is tilted is attached to the backstop 10.

In the conventional method shown in FIGS. 15 to 17, the dumping method of the loading platform 1 shown in FIG. 15 requires a certain inclination angle in order to discharge all the chips of the loading platform 1 smoothly and completely. Although required, the cylinder 2 has a limit, and when the platform 1 is tilted, the center of gravity is moved to an unstable state.

In the case of the feed plate system shown in FIG.
Since the feed plate 4 has to be moved from end to end, the stroke of the cylinder 3 is a problem and is usually not feasible because a cylinder of such length cannot be prepared. Further, although there is no way to move the cylinder 3 itself in sequence, the fixing method becomes complicated and the usability is troublesome.

Moreover, since the feed plate 4 has a force to push the tip backward, the cylinder 3 is required to have a strong thrust.

In the method of inclining the entire tip vehicle on the platform 5 shown in FIG. 17, the entire apparatus becomes large-scale, and the unloading work cannot be performed unless the apparatus on the platform 5 is present. Moreover, in the course of a series of operations, if the next tipping vehicle enters with the overvan 8 open, there is a risk of dropping into the receiving bin.
Even if the ascending position of the backstop 10 is not appropriate, it will fall and cause a serious disaster.

[0008] Therefore, the inventor has previously mentioned that the apparatus itself is simple and inexpensive, and that the work can be performed sufficiently safely and efficiently by a small number of people, and is disclosed in Japanese Patent No. 3062.
We applied for an unloading device for truck bed of No. 568 and obtained a patent right. As shown in FIGS. 18 to 26, a slide plate 15 having substantially the same width as that of the bottom plate 14 is placed on the bottom plate 14 of the bed of the truck 11, and between the back of the cabin 13 and the front end of the slide plate 15. A cylinder 16 is provided as a mechanism for moving the slide plate 15 back and forth.

Further, on the slide plate 15, the cargo bed 12
Side edges can be locked to the left and right cargo bed side plates 17, and when locking, the edges are cut off from the slide plate 15, only the slide plate 15 moves, and when not locked, the slide plate 15 is joined by friction or the like, A partition plate 18 that moves together with the slide plate 15 is provided. The partition plate 18 is made of a steel plate or the like, and has a base 18a having a certain width so as to stand on the slide plate 15.

Assuming that there is a load A on the cargo bed 12 of the truck 11, the rear end is positioned where the bit 20 is and the vehicle is stopped, and the rear end surface of the cargo bed 12 is open.

When the cylinder 16 is extended, the slide plate 1
5 moves from the cabin 13 side toward the rear end, and the load A and the partition plate 18 on the slide plate 15 also move by that amount. In this state, the partition wall plate 18 is the loading platform side plate 1.
Not locked at 7.

As a result of the sliding of the slide plate 15, the rear end of the slide plate 15 is projected on the bit 20 behind the loading platform 12 with the load A being placed thereon.

Next, the partition plate 18 is locked to the loading platform side plate 17 with a stop pin or the like, the cylinder 16 is contracted, and the slide plate 15 is pulled toward the cabin 13 side as it is. Since it is fixed, it does not move as it is, and the portion projecting above the bit 20 behind the loading platform 12 falls into the bit 20 because there is no slide plate 15.

When the load A is dropped in this way, the partition plate 18 is locked to the loading platform side plate 17, the cylinder 16 is extended again to push the slide plate 15 rearward, and thereafter, the slide plate 15 is pushed out. The steps of locking the partition plate 18, retracting the slide plate 15, dropping the load A, and unlocking the partition plate 18 are repeated to drop all the loads A into the bit 20. After that, in order to prepare for another loading, the partition plate 18 is attached to the slide plate 15
It moves to the cabin 13 side of the front part of.

[0015]

[Patent Document 1] This Patent No. 30625
In No. 68 truck bed unloading device, friction resistance due to load of load and friction resistance between slide plate and bottom plate are added to the slide plate, and smooth movement is difficult to obtain. Is required. In particular, the slide plate is preferably made of a steel plate or the like, but in that case, the weight of the slide plate itself is added, and the load on the cylinder increases.

The object of the present invention is to solve the above-mentioned disadvantages of the prior art, and to improve the unloading device for truck bed of Japanese Patent No. 3062568, the device itself is simple and inexpensive,
Moreover, the work can be performed safely and efficiently by a small number of people, and the frictional resistance is small and the energy loss can be reduced.
An object of the present invention is to provide a cargo handling device such as a truck carrier that can realize a more inexpensive device.

[0017]

In order to achieve the above-mentioned object, the present invention firstly, as forming a cargo bed, the left and right side plates with respect to a fixed bottom plate are moved back and forth by a drive mechanism such as a cylinder. Provided as possible, can be locked to this side plate,
Moreover, a partition wall body is provided between the left and right side plates, which moves together when locked and moves only the side plate when not locked.
The side plate side rack rail is provided, and the partition wall is provided with a cam provided with a pawl that is locked in a continuous recess of the rack rail only in one direction. Thirdly, the pawl is on the left and right of the cam and is engaged with the rack rail. The fourth feature is that the stoppers are provided in opposite directions, and fourthly, the telescopic cylinder is provided on the side plate side and the partition wall, and the partition wall is locked to the side plate by fixing the telescopic cylinder. is there.

Fifth, as a material for forming a cargo bed, left and right side plates are provided to be movable back and forth by a driving mechanism such as a cylinder with respect to a bottom plate fixedly provided, and the side plates are moved in synchronization with each other when moving. The partition wall body that stops when not moving and moves only the side plate is disposed between the left and right side plates, and a telescopic cylinder is fixed to the partition wall body with one end fixed to the bottom plate side as a mechanism for moving the partition wall body. The sixth point is that the cargo bed is a container.

According to the first aspect of the present invention, first, the case of unloading from the rear of the loading platform will be described. The loads such as granular materials and chips are placed on the fixed bottom plate, and the partition body is used. The load is pushed backward by the partition body by being locked to the side plate and pushing out the side plate and the partition body, and the load at the rear part of the loading platform falls off the bottom plate.

The locking of the partition wall and the side plate is released, only the side plate is returned to its original position, the partition wall is locked to the side plate again, and the same operation is repeated.

When all the loads have been unloaded in this way, the partition plates are sequentially forwarded to the front of the loading platform by repeating the forward and backward movements of the side plates and the system removal of the partition plates to the side plates in the reverse operation to prepare for the next load. .

Even if a cylinder is used to move the side plate back and forth, the stroke may be small, and the load such as granules and chips is pushed out from the front side to the rear side by the partition body. Since the side plates also move from the front side to the rear side, this load does not rise.

According to the second aspect of the present invention, the claw of the cam is engaged with the continuous recess of the rack rail so as to be locked in only one direction, and the side plate is in one direction, for example, the load outlet direction. When moving to, the rack rail and the claw of the cam are in a locked state, and the partition wall body is fixed to the side plate, which serves as a push wall to push the load in the discharging direction.

Next, when the side plate moves in the other direction, for example, in the opposite load discharge direction, the rack rail and the claw of the rotating body slide without being locked, and as a result, only the side plate moves. To do. Hereinafter, by repeating this, the partition body and the load can be moved to the load discharge port and the load can be discharged to the outside.

According to the third aspect of the present invention, since the pawls are provided on the left and right sides of the cam in opposite directions to the rack rails, the partition and the load are delivered to the load outlet as described above. In addition to being able to move and discharge the load to the outside, engage the other claw with the rack rail to move the bulkhead body to the back of the loading platform, that is, to move the bulkhead body to the load discharge port to the original position. Similarly, the load and the bulkhead body are moved together with the side plate, and then the rack rail and the claw of the cam are brought into a locked state, the bulkhead body is fixed, and only the side plate moves toward the load discharge port, Hereinafter, the partition body can be moved to the back of the loading platform by repeating the sequence in sequence.

According to the present invention of claim 4, a telescopic cylinder is used instead of the engagement between the rack rail and the claw of the cam, and when the partition wall and the side plate are locked, the telescopic cylinder is used. In order to keep the cylinder in a non-expandable and fixed state and to keep the partition wall and the side plate in the non-locking state, the telescopic cylinder is free and only the side plate moves.

According to the fifth aspect of the present invention, first, the case of unloading from the rear of the loading platform will be described. The load is placed on the fixed bottom plate, and the telescopic cylinder is used to move the bulkhead body to the side plate. By pushing the side plate and the partition body in synchronism with the movement of the load, the load is pushed backward by the partition body, and the load at the rear of the loading platform comes off the bottom plate and falls.

Next, the synchronization between the partition body and the side plate is released,
The telescopic cylinder is stopped, the partition is not moved, only the side plate is returned to its original position, and the synchronous movement of the partition and the side plate is repeated again.

After all the loads have been unloaded in this way, the bulkheads are sequentially sent forward of the loading platform by repeating the forward / backward movement of the side plates and the synchronous movement and non-synchronization of the side plates of the bulkheads in the reverse operation, and the next load is loaded. Prepare for

According to the present invention as set forth in claim 6, container transportation has increased in recent years in terms of reduction of transportation costs and packaging costs, shortening of transportation period, prevention of cargo pain, etc. Without arranging a large-scale device outside or inside the container, it is possible to mechanize the unloading work of the load that is loaded in the container without a pallet without gaps, and the heavy work of manual unloading. This makes it possible for the unloading workers of the container to age,
Also, it is possible to improve work efficiency.

[0031]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a basic conceptual view of a cargo handling device such as a truck carrier according to a first embodiment of the present invention, and FIG. 2 is a longitudinal side view of the same as in FIG. 18 showing the conventional example.
In the figure, 11 is a truck, 12 is its loading platform, and 13 is a cabin (driver's seat). This truck 11 carries scrap iron and other chips, granular materials such as gravel, etc. as a cargo A.

The loading platform 12 of the truck 11 is open at the rear end, is a non-movable portion forming the loading platform 12, a bottom plate 14 fixedly installed, and a movable portion, which can be moved back and forth. The side plate 21 of FIG. For example, front ends of the left and right side plates 21 are connected to each other by a connecting portion 22 formed of a connecting plate or a connecting beam to be integrated, and a driving mechanism such as a cylinder 23 is connected to the connecting portion 22.

The side plate 21 may be a so-called "flapping plate" of the cargo bed 12 of the truck 11, or a side plate attached to the inside of the cargo room of a truck having a box-shaped cargo room. In addition, the cargo bed 12 of the truck 11 may be a container, and in this case, it is also possible to provide this side plate inside the container.

Further, the relationship between the bottom plate 14 and the side plate 21 may be such that the side plate 21 is moved along a groove or rail so that the side plate 21 can easily move with respect to the bottom plate 14. Further, the side plate 21 does not necessarily have to be placed on the bottom plate 14, and if there is another member below the bottom plate 14, the side plate 21 is placed on this other member, and the bottom plate 14 is placed between the left and right side plates 21. It becomes like a pinch.

A partition wall 24 is provided between the left and right side plates 21, which can be locked to the side plate 21, moves with the side plate 21 when locked, and moves only the side plate 21 when not locked.

The partition wall 24 has a certain degree of rigidity, and is preferably made of a steel plate or the like and preferably has a bottom stand 24a having a certain width so as to stand on the bottom plate 14.

The engagement between the partition wall body 24 and the side plate 21 is
As shown in the specification of Japanese Patent No. 3062568, it may be formed by an engagement hole and a stop pin, but by a combination of a rack rail 26 and a cam 30 as shown in FIGS. 3 to 6.

The rack rail 26 is in the form of a corrugated blade having a continuous recess 25 formed therein. For example, the rack rail 26 extends in the front-rear direction of the luggage carrier 12 at the bottom corner of the side plate 21 and has an inward opening surface of the luggage carrier 12. A recess 27 having 28 is provided, and this recess 27
The continuous recessed portion 25 was provided inside so as to face downward.

On the other hand, a rotary shaft 31 is provided on the partition wall 24 side,
A cam 30 having an isosceles triangular shape having pawls 28 and 29, which are engaged with the continuous recess 25 of the rack rail 26 only in one direction, is provided at the long side corner by connecting the isosceles side corner to the rotary shaft 31.
The cam 30 is inserted into the recess 27. As shown in FIG. 6, when the rack rail 26 and the cam 30 are subjected to a force α from the contact portion, a rotational force of F × L is applied to the pawls 28 and 29 of the isosceles triangular cam 30. It happens.

In the recess 27, a hanging plate 34 from above is provided in order to reduce the opening surface of the recess 27. further,
The bottom plate 14 has rectangular tubes 51 and reinforcing members such as shaped steel or reinforcing bars disposed along the left and right ends, and the side wall plates 32 are provided along the reinforcing members.
Start up. The left and right ends of the bottom plate 14 have recesses 27.
The side wall plate 32 and the hanging plate 34 are inserted into the inside.
Prevents particles such as sand and chips from entering the recess 27 and the lower side of the bottom plate 14 when the granular substance such as sand or chips is placed on the bottom plate 14 as the load A.

Various operating mechanisms are conceivable for rotating the rotary shaft 31, but the lever 35 is interlocked from the left and right rotary shafts 31 to stand up, and the upper end of the lever 35 is placed at the center of the rod 36. Axes with pin 37.

On the other hand, lever arms 39a, 39a juxtaposed in parallel with each other at a distance from a lever 39 having the ends of the cords 38a, 38b bound to the left and right are torii-shaped, and the rod 3
No. 6 was inserted into the lever arms 39a, 39a by inserting the lever 35 with a pin 37 between the lever arms 39a, 39a. Flange-shaped spring receivers 40 are provided on the left and right of the rod 36, and springs 41a and 41b for winding the outer circumference of the rod 36 are arranged between the spring receivers 40 and the lever arms 39a.

The levers 39 are provided at both ends of the connecting rod 43 supported by the bracket 42, and are engaged with the rotary shafts 31 located on the left and right sides of the bottom plate 14, respectively.

In this way, the lever arms 39a, 3
9a allows the rod 36 to move slightly to the left and right by the small movements of the lever 35, and is returned by the spring 41a or 41b.

Further, the lever 39 and the lever arms 39a, 39a are largely swung by pulling one of the cords 38a, 38b, which causes the lever 35 via the rod 36.
Swings largely, and as a result, the cam 30 rotates and the claws 28,
The engagement of the rack rail 26 with the continuous recess 25 of the rack rail 26 is replaced.

Next, the usage will be described. 7 to 1
2 is an explanatory diagram of each step showing the operation. First, assuming that there is a load A on the loading platform 12 of the truck 11 as shown in FIG.
The rear end is positioned at a place for unloading, and the vehicle is stopped. Although not shown, a door or the like is opened, and the rear end face of the loading platform 12 is opened.

When the cylinder 23 is extended, the side plate 21 moves rearward from the side of the cabin 13 as shown in FIG. 8, and in this state, the pawl 28 is deeply inserted into the continuous recess 25 of the rack rail 26, whereby the rack rail 26 to cam 30
Is fixed and the partition wall 24 is locked to the side plate 21, so that the side plate 21 moves rearward, and the front end of the load A is pushed by the partition wall 24 and the rear end thereof falls.

When the load A is dropped in this way, as shown in FIG. 9, the cylinder 23 is contracted to return only the side plate 21 to the original position. In this state, the relationship between the rack rail 26 and the cam 30 is that the claw 28 moves from the continuous recess 25 of the rack rail 26 to the adjacent continuous recess 25, and sequentially moves along the rack rail 26 while being displaced. The partition body 24 is not locked to the side plate 21 side.

Next, as shown in FIG. 10, the partition wall 24 is locked to the side plate 21 side again by the engagement of the rack rail 26 and the cam 30, and the cylinder 23 is extended to push the side plate 21 backward. Along with this, the partition 24 is also moved rearward, and the front end of the load A is pushed by the partition 24 and the rear end of the load A falls.

Hereinafter, the operation of returning only the side plate 21 to the original position by unlocking the rack rail 26 and the cam 30,
By the engagement of the rack rail 26 and the cam 30, the operation of pushing out the side plate 21 and the partition wall 24 rearward is repeated to drop all the cargo A.

Although illustration is omitted, the partition 24 is moved to the front of the side plate 21 and the cabin 13 side in order to prepare for the reloading from the state where all the loads A are unloaded. The movement of the partition wall 24 to the front part can be sequentially moved by locking and releasing the side plate 21 repeatedly, and locking the side plate 21 only when the side plate 21 is moved back.

In the above embodiment, the side plate 21 is moved back and forth by the cylinder 23. However, as another embodiment, a mechanism of a pulling member such as a winch and a wire or a drive motor is used for a rack that meshes with the pinion. Various drive mechanisms such as combinations may be selected.

The above embodiment has been described with respect to the case of unloading the load A, but it can be similarly applied to the case of loading a load, and as described above, if the movable side plate is provided even when the loading platform is a container, The same applies.

FIG. 13 shows a second embodiment of the present invention, in which a telescopic cylinder 44 is provided between the side plate 21 side and the partition wall 24. The telescopic cylinder 44 mutually fixes the side plate 32 side and the partition wall 24, and the partition wall 24 is locked to the side plate 21 by fixing the telescopic cylinder 44 in a non-expandable or non-extensible state.

That is, the telescopic cylinder 44
, The partition 24 is locked to the side plate 21 side, so that the side plate 21 moves rearward, and the front end of the load A is pushed by the partition 24 and the rear end falls.

When the load A is dropped in this way, the cylinder 23 is reduced and only the side plate 21 is returned to its original position. In this state, the telescopic cylinder 44
Is set to be free, the partition wall 24 is not locked to the side plate 21 side, and only the side plate 21 returns. The subsequent operation is the same as that of the first embodiment.

FIG. 14 shows a third embodiment of the present invention. As the cargo bed 12 is formed, left and right side plates 21 can be moved back and forth by a drive mechanism such as a cylinder 23 with respect to a bottom plate 14 fixedly provided. However, in the present embodiment, the partition wall bodies 24 arranged between the side plates 21 on the left and right sides of the side plate 21 move in synchronism with each other when moving. At the time of movement, it is assumed that only the side plate 21 moves after being stopped.

As a moving mechanism of the partition body 24, one end of the telescopic cylinder 44 is fixed to the bottom plate 14 side, and the other end is provided on the partition body 24.

Explaining how to use it, first, assuming that there is a load A on the loading platform 12 of the truck 11, the rear end is positioned at the place for unloading, and the vehicle is stopped. The rear end surface of the loading platform 12 is opened.

When the cylinder 23 is extended, the side plate 21 moves rearward from the cabin 13 side, and in this state, the telescopic cylinder 44 is operated to synchronize the partition body 24 with the side plate 21 side so that the side plate 21 is rearward. The cargo A is moved, the front end of the load A is pushed by the partition wall 24, and the rear end of the load A falls.

When the load A is dropped in this way, the cylinder 23 is contracted and only the side plate 21 is returned to its original position. In this state, the telescopic cylinder 44 is stopped and the partition wall body 24 is not locked to the side plate 21 side.

Next, the cylinder 23 is extended again and the side plate 21 is pushed backward, so that the telescopic cylinder 4
4, the partition wall 24 is also moved rearward in synchronization, and the front end portion of the load A is pushed by the partition wall body 24 and the rear end portion falls.

Hereinafter, the operation of returning only the side plate 21 to the original position by expanding and contracting the telescopic cylinder 44 and stopping,
Furthermore, the cylinder 23 and the telescopic cylinder 4
By repeating the operation of pushing back the side plate 21 and the partition wall 24 in synchronization with 4, the entire load A is dropped.

Although illustration is omitted, in order to prepare for loading again from the state where all the loads A are unloaded, the partition wall 24 is moved to the front part of the side plate 21 and the cabin 13 side. The movement of the partition wall 24 to the front portion can be sequentially moved by repeating the synchronization and the non-synchronization with the side plate 21 and locking the side plate 21 only when the side plate 21 is moved back.

[0065]

As described above, the cargo handling device such as a truck carrier according to the present invention is simple and inexpensive,
Moreover, it is possible to work safely and efficiently with a small number of people, and because there is less frictional resistance and less energy loss when moving the moving parts, the drive mechanism can be made smaller and less troubles can be made at a lower cost. It is possible to realize various devices.

[Brief description of drawings]

FIG. 1 is an explanatory view of a basic concept showing a first embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 2 is a vertical sectional side view showing a first embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 3 is a side view of essential parts showing a first embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 4 is an enlarged front view of the essential parts showing the engagement relationship between the rack rail and the cam, showing the first embodiment of the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 5 is a side view of essential parts showing the engagement relationship between the rack rail and the cam, showing the first embodiment of the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 6 is an explanatory diagram of a rack rail and a cam showing a first embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 7 is a vertical cross-sectional side view of a first step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 8 is a vertical cross-sectional side view of a second step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 9 is a vertical sectional side view of a third step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 10 is a vertical cross-sectional side view of a fourth step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 11 is a vertical cross-sectional side view of a fifth step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 12 is a vertical cross-sectional side view of a sixth step showing an example of using the cargo handling apparatus such as the truck carrier of the present invention.

FIG. 13 is an explanatory diagram of a basic concept showing a second embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 14 is an explanatory diagram of a basic concept showing a third embodiment of a cargo handling device such as a truck carrier of the present invention.

FIG. 15 is a side view showing a first example of a conventional example.

FIG. 16 is a side view showing a second example of the conventional example.

FIG. 17 is a side view showing a third example of the conventional example.

FIG. 18 is a vertical cross-sectional side view of the first step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 19 is a vertical cross-sectional side view of a second step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 20 is a vertical cross-sectional side view of a third step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 21 is a vertical cross-sectional side view of the fourth step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 22 is a vertical cross-sectional side view of the fifth step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 23 is a vertical cross-sectional side view of a sixth step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 24 is a vertical cross-sectional side view of the seventh step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 25 is a vertical cross-sectional side view of the eighth step showing an example of use of the conventional truck unloading device for a truck bed.

FIG. 26 is a vertical cross-sectional side view of the ninth step showing an example of use of the conventional truck unloading device for a truck bed.

[Explanation of symbols]

1 ... Package 2 ... Cylinder 3 ... Cylinder 4 ... Feeding plate 5 ... Platform 6 ... Hydraulic device 7 ... Cylinder 8 ... Overvan 9 ... Weighing device 10 ... Backstop 11 ... Truck 12 ... Package 13 ... Cabin 14 ... Bottom plate 15 ... Slide Plate 16 ... Cylinder 17 ... Luggage side plate 18 ... Partition plate 18a ... Bottom table 19 ... Stop pin 20 ... Bit 21 ... Side plate 22 ... Connection part 23 ... Cylinder 24 ... Partition body 24a ... Bottom table 25 ... Continuous recess 26 ... Rack rail 27 ... Recess 28 ... Opening surfaces 28, 29 ... Claw 30 ... Cam 31 ... Rotating shaft 32 ... Side wall plate 33 ... Hanging plate 34 ... Hanging plate 35 ... Lever 36 ... Rod 37 ... Pins 38a, 38b ... String 39 ... Lever 39a ... Lever arm 40 ... Spring receivers 41a, 41b ... Spring 42 ... Bracket 43 ... Connecting rod 44 ... Telescopic cylinder 51 ... Square tube

Claims (6)

[Claims] 1. As a material for forming a cargo bed, left and right side plates are provided so as to be movable back and forth with a drive mechanism such as a cylinder with respect to a bottom plate fixedly provided, and can be locked to the side plates, and at the time of locking. A cargo handling device such as a truck carrier, characterized in that a partition wall body that moves and only moves a side plate when unlocked is provided between the left and right side plates. 2. The cargo handling apparatus according to claim 1, wherein the side plate side rack rail is provided, and the partition wall is provided with a cam provided with a pawl that is engaged with a continuous recess of the rack rail only in one direction. 3. A cargo handling apparatus such as a truck carrier according to claim 1, wherein the claws are provided on the left and right sides of the cam, and the locking directions with respect to the rack rail are reversed. 4. The cargo handling device according to claim 1, wherein a telescopic cylinder is provided on the side plate side and the partition wall body, and the partition wall body is locked to the side plate by fixing the telescopic cylinder. 5. As a material for forming a cargo bed, left and right side plates are provided so as to be movable back and forth by a driving mechanism such as a cylinder with respect to a bottom plate fixedly provided, and the side plates move in synchronization with each other when moving. It is characterized in that a partition wall body that stops when moving and only the side plate moves is disposed between the left and right side plates, and a telescopic cylinder is fixed to the bottom plate side at one end as a mechanism for moving the partition wall body. A cargo handling device such as a truck bed. 6. The cargo handling apparatus according to any one of claims 1 to 5, wherein the cargo bed is a container.