JPH0132619Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention allows the cargo platform to expand to match the size of the cargo and to allow cargo to be loaded and unloaded at the same height as the bed plate of the cargo platform. Concerning the loading platform of a transport vehicle.

[Conventional technology]

As shown in FIG. 7, the loading platform 4' of this type of conventional transport vehicle 1' has a base plate 8' surrounded by a front frame 7', a rear frame 9', a left frame 10' and a right frame 11'. It is formed by surrounding.

A slidable front guide rod 14' inserted into the base plate 8' is attached to the lower part of the front frame 7'.
It can come into contact with and separate from the front side of this base plate 8'. left,
A slidable horizontal guide rod 16' inserted into the base plate 8' is attached to the lower part of the right side frames 10', 11' so that the right frames 10' and 11' can move toward and away from the left and right sides of the base plate 8'. The rear frame 9' is fixed to the base plate 8'.

[Problem that the invention attempts to solve]

However, in the loading platform 4' of the conventional transport vehicle 1', each side frame 7', 9',
Since it takes a lot of effort to remove one of the side frames 7', 9', 10', and 11', unnecessary labor is required to load and unload over the top of each side frame 7', 9', 10', and 11'. . Also, when the loading platform 8' is expanded and loaded with cargo, a gap is created between the front frame 7' and the left and right side frames 10' and 11', and the cargo may fall through the gap or tilt in the gap. This may lead to instability.

[Means for solving problems]

This idea was made in view of the above circumstances,
The specific means for this is the base plate, the rear frame provided at the rear of the base plate, the left and right frames attached to the base plate so as to be able to come into contact with and separate from the base plate, and the left and right frames. Left and right sliding frames inserted and slidable back and forth, a length-adjustable receiving rod that connects lower parts of the left and right sliding frames, and the left and right sliding frames and the left;
It is made up of a sliding rod that moves by the expansion and contraction of a spring that connects to a connecting rod holder provided at the top of the right side frame, and a connecting rod that has an adjustment rod whose length can be adjusted.

[Effect]

According to the above means, the length-adjusted connecting rod is fitted with the left and right sliding frames or the connecting rod holders provided on the left and right sliding frames by the biasing force of the spring, and the external force resisting the biasing force of the spring It can be attached to and detached from the left and right sliding frames or the left and right side frames by simply using the .
Also, while adjusting the length of the receiving rod and connecting rod,
By expanding the right side frame and protruding the left and right sliding frames forward, it is possible to form an expanded loading platform with enclosures around the periphery and at the bottom.

〔Example〕

An embodiment of this invention will be described below with reference to FIGS. 1 to 6.

As shown in FIG. 1, a transport vehicle 1 according to an embodiment of this invention is composed of a running section 2, a drive operation section 3, and a loading platform 4.

The traveling section 2 rotates the crawler 5 using the power of the drive operation section 3 to travel. The drive operation section 3 is formed from a drive source 6 and an operation device 7, and is connected to the traveling section 2.
installed at the upper rear of the The loading platform 4 is installed above the traveling section 2 and in front of the drive operation section 3.

The loading platform 4 of the transport vehicle 1 according to the embodiment of this invention has a first
As shown in the figures to FIG. 4, a base plate 8, a rear frame 9,
Left and right frames 10 and 11, left and right sliding frames 12 and 1
3. It is formed from a receiving rod 14 and a connecting rod 15.

The base plate 8 is fixed to the upper part of the running section 2. A lower part of a rear side frame 9 is fixed to the rear portion of the base plate 8, and serves as a partition between the cargo platform 4 and the drive operation section 3.
The left and right frames 10 and 11 are formed by connecting upper and lower pipe members with a gap between them. A slidable horizontal guide rod 16 inserted perpendicularly to the side surface of the base plate 8 is attached to the pipe material under the left and right frames 10, 11 at right angles.
The base plate 8 and the left and right frames 10 and 11 can be moved into and out of contact with each other. Further, on the pipe material above the left and right frames 10, 11, a connecting rod receiver 17 that fits with the connecting rod 15 is provided at an appropriate position. The left and right sliding frames 12 and 13 are formed by bending pipe material or bar material into a U-shape, and the open side, which is the rear end, is slidably inserted from the front side of the left and right frames 10 and 11. has been done. Also, these left and right sliding frames 12, 13
connect each lower front end to guide pipe 18 and guide rod 1.
They are connected by a receiving rod 14 which is extendable and retractable by means of a connecting rod 9, and the connecting rod holder 17 is provided at an appropriate position on each upper part. As shown in FIG. 5, the connecting rod 15 has a sliding rod 22 that slides inside the guide pipe 20 inserted into one end of which the retainer 21 of the guide pipe 20 is provided. A compression coil spring 24 whose both ends are held by spring receivers 23 is provided on the outer periphery protruding from the guide pipe 20, and an adjustment rod 25 which is inserted into the other end and is extendable and retractable is provided. still,
The horizontal guide rod 16 and pedestal 8 of the left and right frames 10 and 11, the left and right frames 10 and 11, and the left and right sliding frames 1
2, 13, the guide pipe 18 and guide rod 19 of the receiving rod 14 and the guide pipe 20 and adjustment rod 25 of the connecting rod 15 can be fixed by fixing devices 26, respectively.

As shown in FIG. 2, in the loading platform 4 of the transport vehicle 1, the left and right frames 10 and 11 are usually closest to the base plate 8, and the left and right sliding frames 12 and 13 are the left and right sides. The connecting rod 15 is inserted into the frames 10 and 11 at its maximum.
is fitted into a connecting rod receiver 17 provided at the forefront of the left and right sliding frames 12 and 13, and the width of the base plate 8 is the same as the width of the loading platform 4. However, as shown in FIGS. 3 and 4, each fixing tool 26 is released, and the receiving rod 14 and connecting rod 15 while extending and expanding the left and right sliding frames 1.
2 and 13 protrude forward from the left and right side frames 10 and 11 and are fixed with the fixtures 26, the expanded loading platform 4
can be formed. According to the cargo platform 4 expanded in this way, in addition to being able to load large or large loads A, the left and right side frames 1
0, 11 and the connecting rod 15 are the left and right sliding frames 1.
2, 13 and the receiving rod 14 form an enclosure around the periphery and the bottom, so that the cargo A can be prevented from falling or tilting. Further, the connecting rod 15 can be easily attached and detached by moving the sliding rod 22 into the guide pipe 20 by applying an external force that resists the biasing force of the compression coil spring 24, and the cargo A is placed at the same height as the base plate 8. can be loaded and unloaded. In addition, as shown in FIG.
If the connecting rod supports 17 of the left and right frames 10 and 11, which are different from the above, are fitted to hold down the load A, even the load A that tends to tilt can be easily transported.

Incidentally, a receiving rod 14 similar to the aforementioned receiving rod 14 may be provided at the rear of the upper part of the left and right side frames 10, 11 to form a rear enclosure and prevent the load A from falling and tilting to the rear. .

[Effects of the invention] As is clear from the above explanation, the connecting rod can be easily attached and detached, so if the connecting rod is removed and cargo is loaded and unloaded at the same height as the bed plate of the loading platform, labor can be reduced. I can do it. Further, by expanding the loading platform, a surrounding area and a bottom area are formed, so that it is possible to prevent the luggage from falling and tilting. Furthermore, since the connecting rod can be fitted into the connecting rod receiver according to the load, it is possible to easily transport the load that tends to tilt.

[Brief explanation of drawings]

1 to 6 show examples of this invention,
Fig. 1 is a schematic perspective view of the transport vehicle, Fig. 2 is a plan view in normal state, Fig. 3 is a plan view in expanded state, and Fig. 4 is a schematic perspective view of the transport vehicle.
5 is a detailed view of the connecting rod, FIG. 6 is a front view with the connecting rod in a different position, and FIG. 7 is a plan view illustrating the conventional technique. 1... Transport vehicle, 4... Loading platform, 8... Receiver, 9...
...Rear frame, 10...Left frame, 11...Right frame, 1
2... Left sliding frame, 13... Right sliding frame, 14... Receiving rod, 15... Connecting rod, 17... Connecting rod holder, 22...
...Sliding rod, 24...Compression coil spring, 25...Adjustment rod.

Claims (1)

[Scope of Claim for Utility Model Registration] In a loading platform of a transport vehicle in which a base plate is surrounded by a side frame, the base plate, a rear side frame provided at the rear of this base plate, and this base plate can freely come into contact with and separate from each other. left and right frames attached to the left and right frames, left and right sliding frames that are inserted into the left and right frames and can freely slide back and forth, and a length-adjustable receiving rod that connects the lower parts of the left and right sliding frames. And said left,
It is characterized by being formed of a sliding rod that moves by the expansion and contraction of a spring that connects with the connecting rod receiver provided on the upper part of the right sliding frame and the left and right side frames, and a connecting rod that has an adjustment rod whose length can be freely adjusted. The loading platform of a transport vehicle.