CN214396297U - Traction device for semitrailer - Google Patents
Traction device for semitrailer Download PDFInfo
- Publication number
- CN214396297U CN214396297U CN202120237493.6U CN202120237493U CN214396297U CN 214396297 U CN214396297 U CN 214396297U CN 202120237493 U CN202120237493 U CN 202120237493U CN 214396297 U CN214396297 U CN 214396297U
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- base
- rotating shaft
- mounting block
- semitrailer
- hole
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Abstract
The utility model relates to a semitrailer technical field especially relates to a draw gear for semitrailer, including frame and installation piece, the up end of frame is equipped with base and base bearing, the middle part of base bearing is inserted and is equipped with the base rotation axis, the upper portion cover of base rotation axis vertical part is equipped with the connecting plate, one side of connecting plate is inserted and is established and be fixed with the installation piece rotation axis, the middle part of installation piece up end is seted up flutedly, the installation is fixed with installation piece bearing in the recess, the bilateral symmetry on base rotation axis vertical part upper portion is equipped with the snap ring, the bilateral symmetry welding of base up end has the stopper, the through-hole has been seted up on the upper portion of stopper, and be equipped with the annular piece in the through-hole of stopper and between the snap ring. The utility model discloses in, this a draw gear structure for semitrailer is retrencied, can improve the shock attenuation effect when using, can also carry out automatic re-setting to draw gear when the semitrailer turns to simultaneously to improve the result of use greatly, the better user demand that satisfies the user.
Description
Technical Field
The utility model relates to a semitrailer technical field especially relates to a draw gear for semitrailer.
Background
A semitrailer is a heavy transport vehicle with an axle arranged behind the center of gravity of a vehicle and connected with a semitrailer head through a traction pin, welding seams can crack when individual parts of a traction device in the prior art are used for a long time, a welding structure is easy to damage, replacement and maintenance are not needed, and the traction device is difficult to automatically reset when the semitrailer turns.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcomings existing in the prior art and to provide a traction device for a semitrailer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a draw gear for semitrailer, including frame and installation piece, the up end of frame is equipped with the base, the through-hole has been seted up at the middle part of base, the installation is fixed with the base bearing in the through-hole, the middle part of base bearing is inserted and is equipped with the base rotation axis, the upper portion cover of base rotation axis vertical part is equipped with the connecting plate, the through-hole has been seted up to one side of connecting plate, the through-hole interpolation is equipped with and is fixed with the installation piece rotation axis, the middle part of installation piece up end is seted up flutedly, the installation is fixed with the installation piece bearing in the recess, the middle part of installation piece bearing is inserted and is established the lower extreme that is fixed with installation piece rotation axis vertical part, the bilateral symmetry on base rotation axis vertical part upper portion is equipped with the snap ring, the bilateral symmetry welding of base up end has the stopper, the through-hole has been seted up on the upper portion of stopper, and be equipped with the annular piece between the snap ring in the through-hole of stopper.
Preferably, the section of the base rotating shaft is I-shaped, the lower end face of the horizontal plane at the upper part of the base rotating shaft is attached to the upper end face of the connecting plate, and the upper end face of the horizontal plane at the lower part of the base rotating shaft is attached to the lower end face of the frame.
Preferably, the section of the rotating shaft of the mounting block is T-shaped.
Preferably, the outer side of the base is uniformly provided with first convex blocks, and the first convex blocks and the frame are fixedly installed through first screws.
Preferably, the outer side of the mounting block is uniformly provided with second convex blocks, and the second convex blocks are symmetrically screwed with second screws.
Preferably, the annular block is equidistantly sleeved with four springs, and each spring is located between one side of the snap ring and one side of the limiting block.
The utility model has the advantages that:
the utility model discloses in, this a draw gear structure for semitrailer is retrencied, can improve the shock attenuation effect when using, can also carry out automatic re-setting to draw gear when the semitrailer turns to simultaneously to improve the result of use greatly, the better user demand that satisfies the user.
Drawings
Fig. 1 is a schematic front view of a traction device for a semitrailer according to the present invention;
fig. 2 is a top view of the present invention, which is used for the base of the towing device of the semitrailer.
In the figure: the device comprises a frame 1, a base 2, a first lug 301, a second lug 302, a first screw 401, a second screw 402, a base bearing 501, a mounting block bearing 502, a base rotating shaft 6, a snap ring 7, a limiting block 8, an annular block 9, a spring 10, a connecting plate 11, a mounting block 12 and a mounting block rotating shaft 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a traction device for a semitrailer comprises a frame 1 and a mounting block 12, wherein a base 2 is arranged on the upper end surface of the frame 1, a through hole is formed in the middle of the base 2, a base bearing 501 is fixedly installed in the through hole, a base rotating shaft 6 is inserted in the middle of the base bearing 501, the section of the base rotating shaft 6 is in an i shape, the lower end surface of the upper horizontal plane of the base rotating shaft 6 is attached to the upper end surface of a connecting plate 11, and the upper end surface of the lower horizontal plane of the base rotating shaft 6 is attached to the lower end surface of the frame 1, so that the base rotating shaft 6 and the mounting block rotating shaft 13 can rotate stably under the traction of the connecting plate 11;
the outer side of the base 2 is uniformly provided with first convex blocks 301, the first convex blocks 301 and the frame 1 are fixedly installed through first screws 401, the outer side of the installation block 12 is uniformly provided with second convex blocks 302, and the second convex blocks 302 are symmetrically screwed with second screws 402, so that the traction device can be conveniently disassembled subsequently;
the upper part of the vertical part of the base rotating shaft 6 is sleeved with a connecting plate 11, one side of the connecting plate 11 is provided with a through hole, a mounting block rotating shaft 13 is fixedly inserted into the through hole, the section of the mounting block rotating shaft 13 is T-shaped, the middle part of the upper end surface of the mounting block 12 is provided with a groove, a mounting block bearing 502 is fixedly installed in the groove, the middle part of the mounting block bearing 502 is inserted and fixed with the lower end of the vertical part of the mounting block rotating shaft 13, and the connecting plate 11 can play a good role in traction between the base rotating shaft 6 and the mounting block rotating shaft 13;
bilateral symmetry on 6 vertical part upper portions of base rotation axis is equipped with snap ring 7, the bilateral symmetry welding of 2 up end of base has stopper 8, the through-hole has been seted up on stopper 8's upper portion, and be equipped with annular piece 9 in stopper 8's the through-hole and between the snap ring 7, the equidistant cover is equipped with spring 10 on annular piece 9, spring 10's quantity is four, and every spring 10 all is located between one side of snap ring 7 and one side of stopper 8, spring 10 has good resilience performance, can also play fine reset function when playing the shock attenuation cushioning effect.
In this embodiment, when the towing device for a semitrailer is used, an operator firstly mounts the base 2 and the mounting block 12 on the frame 1 and the semitrailer to be towed respectively, and connects the base rotating shaft 6 on the base 2 and the mounting block rotating shaft 13 on the mounting block 12 through the connecting plate 11;
an annular block 9 is arranged between the through hole of the limiting block 8 and the clamping ring 7, and the annular block 9 can play a certain limiting role, so that the base rotating shaft 6 and the mounting block rotating shaft 13 can rotate stably under the traction of the connecting plate 11;
furthermore, the annular block 9 is equidistantly sleeved with four springs 10, the number of the springs 10 is four, and the springs 10 have good resilience performance and can also have a good reset function when playing a role in damping and buffering;
this a draw gear for semitrailer structure is retrencied, can improve the shock attenuation effect when using, can also carry out automatic re-setting to draw gear when the semitrailer turns to simultaneously to result of use has been improved greatly, better user demand that satisfies the user.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A traction device for a semitrailer comprises a frame (1) and a mounting block (12), and is characterized in that a base (2) is arranged on the upper end face of the frame (1), a through hole is formed in the middle of the base (2), a base bearing (501) is fixedly installed in the through hole, a base rotating shaft (6) is inserted in the middle of the base bearing (501), a connecting plate (11) is sleeved on the upper portion of the vertical portion of the base rotating shaft (6), a through hole is formed in one side of the connecting plate (11), a mounting block rotating shaft (13) is fixedly inserted in the through hole, a groove is formed in the middle of the upper end face of the mounting block (12), a mounting block bearing (502) is fixedly installed in the groove, the lower end of the vertical portion of the mounting block rotating shaft (13) is fixedly inserted in the middle of the mounting block bearing (502), snap rings (7) are symmetrically arranged on two sides of the upper portion of the vertical portion of the base rotating shaft (6), the limiting blocks (8) are symmetrically welded on two sides of the upper end face of the base (2), through holes are formed in the upper portions of the limiting blocks (8), and annular blocks (9) are arranged in the through holes of the limiting blocks (8) and between the limiting blocks and the clamping rings (7).
2. The towing device for a semitrailer according to claim 1, wherein the section of the base rotating shaft (6) is i-shaped, the lower end surface of the upper horizontal surface of the base rotating shaft (6) is attached to the upper end surface of the connecting plate (11), and the upper end surface of the lower horizontal surface of the base rotating shaft (6) is attached to the lower end surface of the frame (1).
3. A towing attachment for semitrailers according to claim 1, characterised in that the section of the mounting block rotation axis (13) is T-shaped.
4. The towing device for semitrailers according to claim 1, characterized in that the outer side of the base (2) is uniformly provided with first protrusions (301), and the first protrusions (301) are fixedly installed on the frame (1) through first screws (401).
5. A towing attachment for semitrailers according to claim 1, characterized in that the second projection (302) is uniformly provided on the outside of the mounting block (12), and the second projection (302) is symmetrically screwed with the second screw (402).
6. A towing attachment for semitrailers according to claim 1, characterized in that the ring-shaped blocks (9) are equidistantly sleeved with springs (10), the number of springs (10) is four, and each spring (10) is located between one side of the snap ring (7) and one side of the stop block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120237493.6U CN214396297U (en) | 2021-01-28 | 2021-01-28 | Traction device for semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120237493.6U CN214396297U (en) | 2021-01-28 | 2021-01-28 | Traction device for semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396297U true CN214396297U (en) | 2021-10-15 |
Family
ID=78048438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120237493.6U Active CN214396297U (en) | 2021-01-28 | 2021-01-28 | Traction device for semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214396297U (en) |
-
2021
- 2021-01-28 CN CN202120237493.6U patent/CN214396297U/en active Active
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