CN214112196U - Tractor for small trailer - Google Patents
Tractor for small trailer Download PDFInfo
- Publication number
- CN214112196U CN214112196U CN202023174803.9U CN202023174803U CN214112196U CN 214112196 U CN214112196 U CN 214112196U CN 202023174803 U CN202023174803 U CN 202023174803U CN 214112196 U CN214112196 U CN 214112196U
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- connecting block
- sleeve joint
- rod body
- rod
- trailer
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Abstract
The utility model discloses a small trailer traction device, which comprises a trailer body, wherein the trailer body comprises a bearing plate, and a first connecting block and a second connecting block are fixed at two ends of the bearing plate; the first connecting block is fixedly provided with two mounting blocks, the traction rod comprises two elastic rods and a sleeve joint, each elastic rod is provided with a first rod body and a second rod body, the second rod body penetrates into a mounting hole of the mounting block, and one end of each first rod body of the two elastic rods is connected with the sleeve joint; the second connecting block is fixedly connected with the sleeve joint buckle, the arc section, the straight line section and the semi-arc section of the sleeve joint buckle sequentially surround the middle of the connection to form a waist-shaped hole, a gap is formed between the semi-arc section and the arc section, and the gap is positioned on the oblique upper position of the sleeve joint buckle. The utility model has the advantages that: when the small trailers are connected, the sleeve joint of the traction rod is sleeved into the arc-shaped section of the sleeve joint buckle from the notch above the sleeve joint buckle to be sleeved to the straight-line section and the semi-arc section, the connecting structure is stable, and the sleeve joint of the traction rod cannot be separated from the sleeve joint buckle when jolting.
Description
Technical Field
The utility model relates to a pull technical field, concretely relates to trailer draw gear.
Background
Large-scale equipment such as platform, track hang has a large amount of large-scale spare parts, and during large-scale spare part transportation, because the size of spare part is too big, it is very troublesome to transport through conventional transportation equipment, need lengthen the delivery length of vehicle through installing the little trailer draw gear of several additional at the transportation equipment rear, is convenient for transport various large-scale spare parts, and little trailer draw gear can be pulled by hand also can be pulled by other power equipment such as haulage vehicle, crane.
Among the prior art, the length of large-scale spare part is longer, need use the little trailer draw gear interconnect of several, when connecting through the traction lever between the little trailer draw gear, through the round hole on the coupling head on the traction lever of a little trailer and the post connection that cup joints of another little trailer, and the coupling head only cup joints with cup jointing the post, it is unstable to connect, if the condition such as jolt appears, the coupling head of traction lever can break away from the coupling post, in order to prevent to break away from, then need to overlap the highly increased a lot of coupling posts, nevertheless cup joint the post and increase the back, the traction lever need incline a lot of and just can cup joint, the round hole that cup joints of slope can't cup joint, need lift together with little trailer even, cup joint the difficulty. It is desirable to provide a towing device for small trailers, which can smoothly connect the small trailers in use, has a stable structure and cannot be separated from each other during bumping.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a little trailer draw gear, can solve between the little trailer connection structure unstable, can produce the problem that breaks away from when jolting.
In order to solve the technical problem, the utility model adopts the technical scheme that: the trailer comprises a trailer body, wherein the trailer body comprises a bearing plate and moving wheels, the moving wheels are respectively installed at the bottoms of two ends of the bearing plate, a first connecting block and a second connecting block are respectively fixed at the middle positions of the bottoms of the two ends of the bearing plate, a traction rod is installed on the first connecting block, and a sleeving buckle is installed on the second connecting block;
the first connecting block is fixedly provided with two mounting blocks, a mounting hole extending in the horizontal direction is formed in the middle of each mounting block, each draw bar comprises two elastic rods which are symmetrically arranged and a sleeve joint connected with the two elastic rods, each elastic rod is provided with a first rod body and a second rod body, the first rod body and the second rod body are connected in an obtuse angle, the second rod body penetrates into the mounting hole of each mounting block from between the two mounting blocks, and one end, far away from each mounting block, of each first rod body of the two elastic rods is connected with the sleeve joint;
the second connecting block with cup joint and detain fixed connection, cup joint and detain including segmental arc, straightway and semicircle section, the one end of segmental arc is connected with the one end of straightway, and the other end of straightway is connected with the one end of semicircle section, and segmental arc, straightway, semicircle section encircle to be connected the middle waist type hole that forms, do not throw out between the other end of semicircle section and the other end of segmental arc and form the breach, and the breach is located the oblique top position that the cover was detained, the other end of semicircle section passes through the linkage segment and is connected with the second connecting block.
Furthermore, railings are additionally arranged on the periphery of the side edge of the bearing plate, and the railings are hinged with the bearing plate.
Furthermore, the sleeve joint is of a circular structure, and a sleeve joint hole is formed in the center of the sleeve joint.
After adopting the structure, the utility model has the advantages that: when two small trailers are connected, the draw bar is connected with the sleeve buckle through the draw bar, the draw bar can rotate relative to the mounting block to lift the draw bar, the sleeve hole of the sleeve joint of the draw bar is sleeved on the arc section of the sleeve buckle from the gap above the sleeve buckle to be sleeved on the straight section and the semi-arc section, the draw bar can be sleeved only by slightly lifting, the connection is convenient, and after the connection, the sleeved gap is arranged above the sleeve buckle due to the special structure of the sleeve buckle, the connection structure is stable, and the sleeve joint of the draw bar can not be separated from the sleeve buckle when bumpy;
when the traction rod needs to be lifted, the second rod body of the elastic rod rotates in the mounting hole of the mounting block, so that the structure is simple, and the mounting is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic view of a connection structure between the traction rod and the first connection block of the present invention;
fig. 4 is a schematic view of the connection structure between the sleeve joint buckle and the second connection block of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: including the trailer body, the trailer body includes bearing board 1 and moves wheel 2, the bottom at the both ends of bearing board 1 is installed respectively and is moved wheel 2, it is conventional structure to move wheel 2, do not explain again, the side of bearing board 1 adds all around and is equipped with the railing, the railing is connected with 1 hinge of bearing board, the product has the guard action to the transportation, the both ends bottom intermediate position of bearing board 1 is fixed with first connecting block 3 and second connecting block 4 respectively, install traction lever 6 on the first connecting block 3, install the cover on the second connecting block 4 and connect and detain 7, during two little trailer interconnect, connect through traction lever 6 and cover and detain 7 and cup joint and be connected.
Two installation blocks 5 are fixedly arranged on the first connecting block 3, an installation hole extending in the horizontal direction is formed in the middle of each installation block 5, the traction rod 6 comprises two elastic rods 61 arranged symmetrically and a sleeve joint 62 connected with the two elastic rods 61, each elastic rod 61 is provided with a first rod body 611 and a second rod body 612, the first rod body 611 and the second rod body 612 are connected in an obtuse angle mode, the second rod body 612 penetrates into the installation hole of each installation block 5 from the two installation blocks 5, one ends, far away from the installation blocks 5, of the first rod bodies 61 of the two elastic rods 61 are connected with the sleeve joint 62, the sleeve joint 62 is of a circular structure, a sleeve joint hole is formed in the center of the sleeve joint 62, one end of each first rod body 611 is connected with the installation block 5, the other end of each first rod is connected with the sleeve joint 62, the elastic rods 61 rotate relative to the installation blocks 5, and drive the sleeve joint 62 to ascend and descend.
The second connecting block 4 is fixedly connected with the socket joint buckle 7, the socket joint buckle 7 comprises an arc-shaped section 71, a straight section 72 and a semi-circular section 73, one end of the arc-shaped section 71 is connected with one end of the straight section 72, the other end of the straight section 72 is connected with one end of the semi-circular section 73, the arc-shaped section 71, the straight section 72 and the semi-circular section 73 form a waist-shaped hole around the middle of the connection, a gap 74 is formed between the other end of the semi-circular section 73 and the other end of the arc-shaped section 71 in a non-connected mode, the gap 74 is located at the position obliquely above the socket joint buckle 7, the other end of the semi-circular section 73 is connected with the second connecting block 4 through a connecting section 75, the socket joint buckle 7 forms a circular structure, the gap 74 is arranged obliquely above the socket joint hole of the socket joint 62 of the traction rod 6 can be sleeved on the arc-shaped section 71 of the socket joint buckle 7 from the gap 74 to the straight section 72 and the semi-circular section 73, the traction rod 6 can be sleeved only by slightly lifting, the connection is convenient.
The working principle is as follows: when the small trailer and the small trailer are connected with each other, the draw bar 6 and the socket joint buckle 7 are correspondingly arranged, the second rod body 612 of the elastic rod 61 of the draw bar 6 rotates in the mounting hole of the mounting block 5, the connection structure of the draw bar 6 and the mounting block 5 is simple, the installation and the use are convenient, the second rod body 612 rotates to lift the draw bar 6, so that the socket joint 62 of the draw bar 6 can correspond to the notch 74 above the socket joint buckle 7 in an inclined mode, then the socket joint hole of the socket joint 62 of the draw bar 6 is sleeved into the arc-shaped section 71 of the socket joint buckle 7 from the notch 74 and then sleeved to the straight-shaped section 72 and the semi-arc-shaped section 73, after the connection, the socket joint 62 of the draw bar 6 cannot be separated from the socket joint buckle 7 in the moving process due to the special structure of the socket joint buckle 7, and the connection structure is stable.
When the two small trailers are connected, the traction rod is connected with the sleeve joint buckle through the traction rod, the traction rod can rotate relative to the installation block so as to lift the traction rod, the sleeve joint hole of the sleeve joint of the traction rod is sleeved on the arc section of the sleeve joint buckle from the notch above the sleeve joint buckle to the straight section and the semi-arc section, the traction rod can be sleeved only by slightly lifting, the connection is convenient, and after the connection, the notch of the sleeve joint is arranged above the sleeve joint buckle due to the special structure of the sleeve joint buckle, the connection structure is stable, and the sleeve joint of the traction rod cannot be separated from the sleeve joint buckle when jolting.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a small trailer draw gear, includes the trailer body, and the trailer body includes the bearing board and moves the wheel, and the bottom at the both ends of bearing board is installed respectively and is moved wheel, its characterized in that: a first connecting block and a second connecting block are respectively fixed at the middle positions of the bottoms of the two ends of the bearing plate, a traction rod is installed on the first connecting block, and a sleeving buckle is installed on the second connecting block;
the first connecting block is fixedly provided with two mounting blocks, a mounting hole extending in the horizontal direction is formed in the middle of each mounting block, each draw bar comprises two elastic rods which are symmetrically arranged and a sleeve joint connected with the two elastic rods, each elastic rod is provided with a first rod body and a second rod body, the first rod body and the second rod body are connected in an obtuse angle, the second rod body penetrates into the mounting hole of each mounting block from between the two mounting blocks, and one end, far away from each mounting block, of each first rod body of the two elastic rods is connected with the sleeve joint;
the second connecting block with cup joint and detain fixed connection, cup joint and detain including segmental arc, straightway and semicircle section, the one end of segmental arc is connected with the one end of straightway, and the other end of straightway is connected with the one end of semicircle section, and segmental arc, straightway, semicircle section encircle to be connected the middle waist type hole that forms, do not throw out between the other end of semicircle section and the other end of segmental arc and form the breach, and the breach is located the oblique top position that the cover was detained, the other end of semicircle section passes through the linkage segment and is connected with the second connecting block.
2. A small trailer towing attachment in accordance with claim 1, wherein: and handrails are additionally arranged around the side edge of the bearing plate and are hinged with the bearing plate.
3. A small trailer towing attachment in accordance with claim 1, wherein: the socket joint is of a circular structure, and a socket joint hole is formed in the center of the socket joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174803.9U CN214112196U (en) | 2020-12-25 | 2020-12-25 | Tractor for small trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174803.9U CN214112196U (en) | 2020-12-25 | 2020-12-25 | Tractor for small trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214112196U true CN214112196U (en) | 2021-09-03 |
Family
ID=77514522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023174803.9U Active CN214112196U (en) | 2020-12-25 | 2020-12-25 | Tractor for small trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214112196U (en) |
-
2020
- 2020-12-25 CN CN202023174803.9U patent/CN214112196U/en active Active
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