CN214493079U - Steering pull rod of overhead working truck - Google Patents
Steering pull rod of overhead working truck Download PDFInfo
- Publication number
- CN214493079U CN214493079U CN202120571194.6U CN202120571194U CN214493079U CN 214493079 U CN214493079 U CN 214493079U CN 202120571194 U CN202120571194 U CN 202120571194U CN 214493079 U CN214493079 U CN 214493079U
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- steering
- bolt
- pull rod
- connecting block
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Abstract
The utility model discloses a steering linkage of high altitude construction car, including the front axle, set up in two knuckles of the front axle left and right sides, set up steering linkage between two knuckles and be located two steering cylinders that are used for driving the knuckle below the steering linkage. In the utility model, the left-handed and right-handed screw threads are respectively adopted at the two ends of the main rod to connect the pin heads, so that the anti-loosening effect of the change of the total length of the pull rod can be avoided if one end of the pull rod is loosened in the use process of the vehicle; secondly because the both ends of pull rod have threaded connection's design, at the in-process of assembly, also can be more convenient the adjustment pull rod total length, be convenient for simultaneously produce the installation and be convenient for maintain and change, convenient to popularize and use.
Description
Technical Field
The utility model relates to an aerial working car steering linkage especially relates to an aerial working car's steering linkage.
Background
With the development of times, the overhead working truck increasingly walks into various fields of life, and the demand of the overhead working truck is also increasing.
The steering pull rod in the existing high-altitude operation vehicle is complex in structure, high in manufacturing cost and difficult to install and maintain in manufacturing and processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of the prior art insufficiency and providing a steering pull rod of an overhead working truck.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a steering pull rod of an overhead working truck comprises a front axle, two steering knuckles arranged on the left side and the right side of the front axle, a steering pull rod arranged between the two steering knuckles, and two steering oil cylinders positioned below the steering pull rod and used for driving the steering knuckles;
the tie rod includes the mobile jib and sets up two round pin heads that both ends and knuckle are connected about the mobile jib, two there is the bolt through threaded connection respectively the close one end of round pin head, the one end that the round pin head was kept away from to the bolt is provided with the connecting block, both ends are provided with the mounting groove that is used for the erection joint piece respectively about the mobile jib, two the turning to of bolt is opposite.
Further, the connecting block is a circular block, the diameter of the connecting block is greater than that of the bolt, a sliding cover is arranged on the bolt in a sliding mode, a through hole is formed in a cover plate on one side of the sliding cover, the diameter of the through hole is greater than that of the bolt and smaller than that of the connecting block, an internal thread is arranged in the inner wall of the sliding cover, and an external thread screwed with the internal thread is formed in the outer wall of the main rod.
Further, the connecting block outer wall evenly is provided with a plurality of bar guide blocks, set up in the mounting groove with bar guide block complex bar guide way.
Further, a nut screwed with the bolt is arranged between the pin head and the sliding cover.
Compared with the prior art, the utility model discloses possess following beneficial effect:
in the utility model, the left-handed and right-handed screw threads are respectively adopted at the two ends of the main rod to connect the pin heads, so that the anti-loosening effect of the change of the total length of the pull rod can be avoided if one end of the pull rod is loosened in the use process of the vehicle; secondly because the both ends of pull rod have threaded connection's design, at the in-process of assembly, also can be more convenient the adjustment pull rod total length, be convenient for simultaneously produce the installation and be convenient for maintain and change, convenient to popularize and use.
Drawings
Fig. 1 is a schematic view of the overall structure of a steering rod of an aerial work platform truck according to the present invention;
fig. 2 is the schematic view of the internal structure of a steering rod in a steering rod of an aerial work vehicle.
In the figure: 1. a front axle; 2. a knuckle; 3. a steering tie rod; 31. a main rod; 32. a pin head; 33. a bolt; 34. connecting blocks; 35. a sliding cover; 36. a nut; 4. and a steering oil cylinder.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a steering linkage of an aerial work platform comprises a front axle 1, two steering knuckles 2 arranged on the left and right sides of the front axle 1, a steering linkage 3 arranged between the two steering knuckles 2, and two steering cylinders 4 located below the steering linkage 3 and used for driving the steering knuckles 2;
the steering linkage 3 comprises a main rod 31 and two pin heads 32 arranged at the left end and the right end of the main rod 31 and connected with the steering knuckle 2, wherein one ends of the two pin heads 32 close to each other are respectively connected with a bolt 33 through threads, one end of the bolt 33 far away from the pin head 32 is provided with a connecting block 34, the left end and the right end of the main rod 31 are respectively provided with a mounting groove for mounting the connecting block 34, and the rotating directions of the two bolts 33 are opposite.
Further, the connecting block 34 is a circular block, the diameter of the connecting block 34 is larger than the diameter of the bolt 33, the bolt 33 is slidably provided with the sliding cover 35, a through hole is formed in the cover plate on one side of the sliding cover 35, the diameter of the through hole is larger than the diameter of the bolt 33 and smaller than the diameter of the connecting block 34, an internal thread is formed in the inner wall of the sliding cover 35, and an external thread screwed with the internal thread is formed in the outer wall of the main rod 31.
Further, the outer wall of the connecting block 34 is evenly provided with a plurality of bar-shaped guide blocks, and bar-shaped guide grooves matched with the bar-shaped guide blocks are formed in the mounting grooves.
Further, a nut 36 screwed to the bolt 33 is provided between the pin head 32 and the slide cover 35.
The working principle is as follows: when the connecting device is used, the connecting block 34 slides into the mounting groove of the main rod 31, the plurality of strip-shaped guide blocks on the outer wall of the connecting block 3 slide into the strip-shaped guide grooves in the mounting groove, the sliding cover 35 is further rotated, the sliding cover 35 is further fixed on the main rod 31 through screwing of the inner threads and the outer threads, the bolt 33 is further fixed at the left end and the right end of the main rod 31, the nut 36 is further screwed into the bolt 33, the pin head 32 is further connected with the main rod 31, the pin head 32 is further connected with the steering knuckle 2, and the steering pull rod 3 is further connected with the steering knuckle 2.
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 (4)
1. A steering pull rod of an overhead working truck is characterized by comprising a front axle (1), two steering knuckles (2) arranged at the left side and the right side of the front axle (1), a steering pull rod (3) arranged between the two steering knuckles (2) and two steering oil cylinders (4) which are positioned below the steering pull rod (3) and are used for driving the steering knuckles (2);
turn to tie rod (3) include mobile jib (31) and set up two round pin head (32) that both ends and knuckle (2) are connected about mobile jib (31), two there are bolt (33) through threaded connection respectively in the one end that round pin head (32) are close, the one end that round pin head (32) were kept away from in bolt (33) is provided with connecting block (34), both ends are provided with the mounting groove that is used for installing connecting block (34), two respectively about mobile jib (31) the rotation of bolt (33) is to opposite.
2. The steering linkage of an aerial work platform as claimed in claim 1, wherein the connecting block (34) is a circular block, the diameter of the connecting block (34) is larger than the diameter of the bolt (33), a sliding cover (35) is slidably disposed on the bolt (33), a through hole is formed in a cover plate on one side of the sliding cover (35), the diameter of the through hole is larger than the diameter of the bolt (33) and smaller than the diameter of the connecting block (34), an internal thread is formed in the inner wall of the sliding cover (35), and an external thread screwed with the internal thread is formed on the outer wall of the main rod (31).
3. The steering linkage of an aerial work platform as claimed in claim 1, wherein the outer wall of the connecting block (34) is uniformly provided with a plurality of strip-shaped guide blocks, and the mounting groove is internally provided with strip-shaped guide grooves matched with the strip-shaped guide blocks.
4. The steering linkage of an aerial lift truck as claimed in claim 1, wherein a nut (36) is provided between the pin head (32) and the sliding cover (35) and is screwed to the bolt (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571194.6U CN214493079U (en) | 2021-03-23 | 2021-03-23 | Steering pull rod of overhead working truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571194.6U CN214493079U (en) | 2021-03-23 | 2021-03-23 | Steering pull rod of overhead working truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214493079U true CN214493079U (en) | 2021-10-26 |
Family
ID=78199277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120571194.6U Active CN214493079U (en) | 2021-03-23 | 2021-03-23 | Steering pull rod of overhead working truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214493079U (en) |
-
2021
- 2021-03-23 CN CN202120571194.6U patent/CN214493079U/en active Active
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