JPH0515158Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] The present invention relates to improvement of freight vehicles.

[Conventional technology]

Generally speaking, in the case of a truck that transports construction machinery such as road rollers and power shovels along with ordinary cargo, the front of the vehicle is lifted with outriggers and the loading platform is tilted to allow loading and unloading of the construction machinery. A ramp is provided by attaching a footboard to the rear end (see Japanese Utility Model Publication No. 161629/1983).Furthermore, in the case of a freight vehicle that is not equipped with outriggers, the loading platform is installed as shown in Figure 7. A method has been adopted in which a footboard 3 is attached to the rear end of the bicycle 1 to form a ramp. FIG. 8 is an enlarged view of the mounting part of the footboard 3. In the figure, reference numeral 5 indicates a locking shaft for attaching the footboard 3 provided on the floor frame 7 at the rear end of the cargo platform 1, and 9 indicates a footboard. By locking the locking hook 9 on the mounting locking shaft 5 with a locking hook provided at the tip of the footboard 3, the footboard 3 can be attached to the loading platform 1.

[The problem that the idea aims to solve]

However, conventionally, when the footboard 3 is not in use, there is no other way than to place the footboard 3 on the loading platform 1 as shown in FIG. In addition, there was a problem in that when the freight vehicle was running, it moved on the loading platform 1 and generated noise.

However, the footboard 3 is very heavy at 80 kg, and it is impossible to take the footboard 3 off the platform 1 and attach it to the rear end of the platform 1, or to remove it from the platform 1 and load it onto the platform 1. It was hard work.

To solve this inconvenience, there has been a loading platform for a transport vehicle as shown in Japanese Utility Model Publication No. 51-28739 and a freight car with a rail as shown in Japanese Utility Model Publication No. 45-20403.

However, in the former case, the footboards are provided over the entire width of the loading platform, so they are large and heavy, requiring a great deal of effort to put in and take out the footboards, and are also dangerous. Poor operability.

On the other hand, the latter has separate footboards, but since the footboard is a long single board, there is a risk of it bending.
Also, the storage area becomes larger. Furthermore, since it is impossible to adjust the width between the footboards, it is not possible to accommodate models with different treads, such as construction machinery that is placed on a loading platform.

This invention was devised in view of the actual situation,
To provide a freight vehicle that is small and lightweight, has excellent workability and operability, can prevent the treads from bending, is compatible with models with different treads, and has a small storage section for the treads. .

[Means to solve the problem]

In order to achieve such an objective, the present invention provides a footboard storage section in which a pair of footboards are stored under the floor on both sides of the rear of the loading platform, and the footboards pulled out from each footboard storage section connect the loading platform floorboard and the ground. In a freight vehicle where a ramp is formed between
It consists of a stepboard/storage box and a stepboard main body stored in the stepboard/storage box, and the lower part of the stepboard/storage box supports the drawn out stepboard and is folded into a straight line when stored. The present invention is characterized in that support legs are provided, and each of the footboards is supported by a shaft that is longer than the width thereof so as to be slidable in the left-right direction.

[Effect]

According to the present invention, the footboards are made up of a pair of footboards, each consisting of a footboard/storage box and a footboard main body stored in the footboard/storage box, so that the footboards span the entire width of the loading platform. This eliminates the need for it, making it smaller and lighter.

Furthermore, by supporting the step plate with the support legs, bending of the step plate is prevented.

Furthermore, by supporting each footboard with a shaft that is longer than its width, it is possible to slide in the left and right directions, and the platform can be used to accommodate different models of construction machinery on which the platform is placed.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

1 to 6 show an embodiment of the present invention.

In the drawing, 11 is a three-sided loading platform (rear body), and this loading platform 11, like a conventional loading platform,
A floor assembly is formed by vertical and horizontal joists 13 and 15 arranged vertically and horizontally, a floorboard 17 attached to the upper surface of the horizontal joist 15, and a floor frame 19 that reinforces this floorboard 17.

A horizontal gate 23 and a rear gate 25 are attached to the floor frame 19 via hinges 21, and a torii gate for protecting the cabin is attached to the vertical joist 13, and the horizontal joist 13 is attached to the floor frame 19 with U bolts.
is tightened to the chassis frame 27, and this loading platform 1 is
1 is mounted.

Therefore, the present invention provides a loading platform 11 having the above structure.
A footboard storage section 59 for storing the footboard 63 is provided under the floor on both rear sides of the vehicle. Each footboard storage section 59 is composed of a pair of brackets 59a each having a substantially J-shaped guide groove 61, and each pair of brackets 59a is arranged in a predetermined position while its rear end side protrudes toward the rear of the loading platform 11 as shown in the figure. They are bolted to the horizontal joists 15 at intervals of .

In the figure, 59b is a flange provided on the upper part of the bracket 59a, and the bracket 59a is attached to the horizontal joist 15 via this bracket 59b. Then, in such step board storage section 59,
A footboard 63 is slidably attached.

The footboard 63 is a footboard/storage box 6 through which a shaft 65 passes through the rear end, as shown in FIGS. 2 and 3.
3a, and a step board main body 63b that can be stored freely in the step board/storage box 63a.The shaft 65 is spanned over the guide groove 61 of each pair of brackets 59a, and the step board 63 becomes a step board. Storage part 5
By installing the shaft 65 in the upper step 61a of the step part of the guide groove 61, the footboard 63 forms a slope between the floorboard 17 and the ground 35. There is.

The shaft 65 is designed to match the width of the footboard/storage box 63a so that the distance between the footboards 63 can be adjusted by sliding them in the directions of arrows F and G (left and right) according to the tread of the loaded construction machinery. It has been formed for a long time.

In addition, as shown in Fig. 2, the footboard/storage box 6
Two screws 67 are screwed into the opening 63c of 3a, and the shaft tips 67a of the screws 67 that protrude into the footboard/storage box 63a allow the screws 67 to be stored in the footboard/storage box 63a. The stepped footboard body 63b is designed not to protrude to the outside. Furthermore, a small hole 69 is bored in the rear part of the footboard main body 63b as shown in FIG. When the slope is formed between the ground 35 and the shaft tip 67a is inserted into the small hole 69, the shaft tip 67a is inserted into the small hole 69.
By inserting the footboard main body 63b into the footboard/storage box 63a, the footboard main body 63b can be locked into the footboard/storage box 63a. Further, a substantially L-shaped locking member 71 is integrally provided at the lower part of the bracket 59a.
As shown in FIG. 5, the footboard 63 can be stored and fixed in the footboard storage section 59 by locking the screw 67 screwed into the stepboard/storage box 63a with this locking member 71. It's summery. Although not shown, the bracket 59a is equipped with an arbitrary locking mechanism for fixing the footboard 63 stored in the footboard storage section 59.

Furthermore, as shown in FIG. 1, two support legs 73 and 75 are provided at the bottom of the footboard/storage box 63a.
is attached, and when the footboard 63 forms a slope between the floorboard 17 and the ground 35, the footboard 6
3 is supported and fixed by these support legs 73 and 75. That is, the support legs 73 and 75 are rotatably connected via the grounding member 77, and the other end of the support leg 73 is connected to the footboard/storage box 63.
a, and the other support leg 75 is
A pin 79 provided at one end serves as a walking board and a storage box 63.
Guide grooves 83 of the guide plate 81 provided on both sides of the bottom of a
It is slidably fitted into the

When storing the footboard 63 in the footboard storage section 59 as shown in FIG. 5, slide the pin 79 inside the guide groove 83 in the direction of arrow H as shown in FIG. By fitting and fixing into the provided pin fixing notch 81a, the support legs 73, 75 are stored in a straight line.

Therefore, when pulling out the step board body 63b from the step board/storage box 63a, if the pin 79 is slid from the pin fixing notch 81a toward the pin fixing notch 81b provided on the other side (in the direction of arrow I). ,
The support legs 73, 75 are designed to expand in the direction of arrow J, as shown in FIG. Then, if the pin 79 is fitted into the pin fixing notch 81b at the stage when the grounding member 77 is in contact with the ground 35, the supporting leg 7
3 and 75 support the footboard 63.
To store the support legs 73, 75, when storing the footboard 63 in the storage section 59, remove the pin 79 from the pin fixing notch 81b, slide it in the direction of arrow H, and move the support legs 73, 75 in the direction of arrow K. When folded, the support legs 73 and 75 function as footboards and storage box 63 as described above.
It is designed to be stored in a straight line under a.

Furthermore, the lower left and right ends of the rear gate 25 are cut out into a rectangular shape as shown in FIG. By folding the plate material 53 in the direction of arrow E and securing it with the stopper 55, when the rear gate 25 in FIG. 1 is unfolded and the footboard 63 is set,
The rear gate 25 is designed so that it does not interfere with the installation of the footboard 63.

Since the present invention is configured in this manner, when the vehicle is running, the footboards 63 can be stored in the footboard storage portion 59 and fixed by the lock mechanism, and the footboards 63 can be is stored in the footboard storage section 59 under the floor of the loading platform 11. When loading and unloading construction machinery, etc., first
Fold the plate material 53 in the direction of arrow E and attach the stopper 55.
The screw 6 that is fixed to the locking member 71 and the rear gate 25 is expanded, and the locking mechanism is released and the screw 6 is locked to the locking member 71.
7 to take out the footboard/storage box 63a from the footboard storage section 59, remove the pin 79 from the pin fixing notch 81a, and unfold the support legs 73, 75 in the direction of arrow J. Next, loosen the screws 67 screwed into the footboard/storage box 63a and pull out the footboard main body 63b from the footboard/storage box 63a.
As shown in FIG. 4, the footboard main body 63b may be fixed to the footboard/storage box 63a with screws 67.

Then, the shaft 65 is inserted into the upper stage 61 of the guide groove 61.
a, and when the grounding member 77 is grounded to the ground 35 and the pin 79 is fitted into the pin fixing notch 81b, the footboard 63 is supported and fixed to the support legs 73 and 75 while the floorboard 17 and the ground 35 are connected. A ramp is formed between them. Then, move the footboard 63 in the direction of arrows F and G (left and right) in accordance with the tread of the construction machine.
After adjusting the interval by sliding the ramp, the construction machinery can be loaded and unloaded on this ramp.

Then, when unloading is completed, the screws 67 are removed, the step board main body 63b is stored in the step board/storage box 63a, and the screws 67 are screwed into the openings 63c of the step board/storage box 63a. . Next, the support legs 73 and 75 are folded in the direction of the arrow K, and the pin 79 fitted in the guide groove 83 is slid in the direction of the arrow H as shown in FIG. 2 and fitted into the pin fixing notch 81a. When the support legs 73 and 75 are retracted, they are stored under the footboard/storage box 63a. Then, by sliding the shaft 65 along the guide groove 61, locking the screw 67 with the locking member 71, and fixing the footboard 63 with the lock mechanism, the footboard 63 is stored under the floor of the loading platform 11. .

In this way, since the footboard 63 is stored under the floor of the loading platform 11, even when the footboard 63 is not in use,
The footboard 63 does not get in the way of loading and unloading cargo as in the conventional case.

In addition, since the footboard 63 consists of a pair of footboards consisting of a footboard/storage box 63a and a footboard main body 63b stored in the footboard/storage box 63a, it is not necessary to span the entire width of the loading platform 11. , therefore,
It is small and lightweight, the effort required to move the footboard 63 in and out is reduced, the danger is reduced, and workability and operability are improved.

Furthermore, since the footboard 63, which is composed of the footboard/storage box 63a and the footboard main body 63b stored in the stepboard/storage box 63a, is supported by the support legs 73, 75, the strength of the stepboard 63 is increased. This can prevent bending.

However, since each step board 63 is supported by a shaft 65 that is longer than its width, each step board 63 can be slid in the left and right directions, and can be adapted to models with different torsos, such as construction machines placed on the loading platform 11. .

However, since the footboard 63 is composed of a footboard/storage box 63a and a footboard main body 63b stored in the stepboard/storage box 63a, it is expandable and retractable.
When stored, the footboard storage section 59 can be shortened.
can also be made smaller.

[Effect of idea]

As described above, according to the present invention, the footboard becomes smaller and lighter, the labor required for entering and exiting is reduced, the danger is reduced, and the workability and operability are excellent. Moreover, the strength of the footboard is increased and bending can be prevented. Furthermore, it is possible to accommodate different models of construction machinery and the like that are placed on a loading platform, and the storage area for the footboards can also be made smaller.

[Brief explanation of the drawing]

1 to 6 show an embodiment of a truck according to the present invention, FIG. 1 is a cross-sectional side view of the main part of the truck, and FIG. 2 is a perspective view of the whole with the footboards folded. , Figure 3 is an enlarged cross-sectional view of the main part of the rear part of the footboard, Figure 4 is a partially enlarged cross-sectional view showing the locking structure between the footboard/storage box and the footboard body, and Figure 5 shows the stowed state of the footboard. A side view, FIG. 6 is a partial front view of the rear part of the truck according to the above-mentioned embodiment, FIG. 7 is a perspective view of the conventional truck with footboards attached, and FIG. It is an enlarged perspective view of the attachment part of the step board shown in the figure. 11... Loading platform, 17... Floor board, 35... Ground,
59... Step board storage section, 63... Step board, 63a
...Step board and storage box, 63b...Step board main body, 6
5...Shaft, 73, 75...Support leg.

Claims (1)

[Scope of utility model registration request] A freight vehicle in which a pair of footboard storage areas are provided under the floor on both sides of the rear of the cargo platform, and a ramp is formed between the platform floorboard and the ground by the footboards pulled out from each footboard storage area. wherein the stepboard is composed of a stepboard/storage box and a stepboard main body stored in the stepboard/storage box, and the drawn out stepboard is supported at the bottom of the stepboard/storage box;
A freight vehicle, characterized in that it is provided with support legs that are folded into a straight line when stored, and each of the footboards is supported by a shaft that is longer than the width thereof so as to be slidable in the left and right directions.