CN219056375U - Steering knuckle of engineering truck - Google Patents
Steering knuckle of engineering truck Download PDFInfo
- Publication number
- CN219056375U CN219056375U CN202223412091.9U CN202223412091U CN219056375U CN 219056375 U CN219056375 U CN 219056375U CN 202223412091 U CN202223412091 U CN 202223412091U CN 219056375 U CN219056375 U CN 219056375U
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- knuckle
- steering knuckle
- engineering truck
- knuckle body
- shaft part
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Abstract
The utility model provides an engineering truck steering knuckle which comprises a steering knuckle body of an integrated structure, wherein rotating shafts are vertically and symmetrically arranged at the upper end and the lower end of the steering knuckle body, each rotating shaft is formed by sequentially connecting a limiting ring and a first shaft part with a truncated cone connecting section connected with the steering knuckle body, the diameter of a small circle of the truncated cone connecting section is larger than that of the first shaft part, a connecting shaft is longitudinally arranged at the front end of the steering knuckle body, and each connecting shaft is formed by connecting a second shaft part with a cylindrical connecting section connected with the steering knuckle body. The utility model has the advantages that: the structural strength of the joint of the steering knuckle is improved, the reliability is improved, and the service life is prolonged, so that the deformation and fracture conditions are greatly reduced.
Description
Technical Field
The utility model relates to a steering knuckle, in particular to an engineering truck steering knuckle.
Background
The knuckle is one of the main parts on the steering axle of the engineering truck, and can make the engineering truck stably run and sensitively transmit the running direction. The knuckle is used for bearing the load of the front part of the engineering truck, supporting and driving the front wheel to rotate around the rotating shaft so as to steer the automobile. The steering axle, the connecting axle and the knuckle arm of the steering knuckle are respectively connected with the steering axle, the front wheel and the transverse pull rod, the knuckle arm is pulled by the transverse pull rod to enable the connecting axle to rotate around the steering axle, the current steering knuckle is required to bear changeable impact load in the use process under severe working conditions, and particularly, the connecting positions of the rotating axle, the connecting axle and the knuckle arm and the steering knuckle do not strengthen corresponding structural strength, so that the steering system is easy to deform and break, the reliability of the steering system is not guaranteed, and even safety accidents are caused.
Disclosure of Invention
【1】 Technical problem to be solved
The technical problem to be solved by the utility model is to provide the engineering truck knuckle which increases the structural strength of the knuckle joint and is not easy to deform or break.
【2】 Technical proposal for solving the problems
The utility model provides an engineering truck steering knuckle which comprises a steering knuckle body of an integrated structure, wherein rotating shafts are vertically and symmetrically arranged at the upper end and the lower end of the steering knuckle body, each rotating shaft is composed of a truncated cone connecting section connected with the steering knuckle body, a limiting ring and a first shaft part, the diameter of a small circle of each truncated cone connecting section is larger than that of the first shaft part, a connecting shaft is longitudinally arranged at the front end of the steering knuckle body, each connecting shaft is composed of a cylindrical connecting section connected with the steering knuckle body and a second shaft part, the diameter of each cylindrical connecting section is larger than that of the second shaft part, a steering knuckle arm is transversely arranged at the right end of the steering knuckle body, and each steering knuckle arm is composed of a first gradual changing section with gradually reduced left side wall thickness and a second smooth section with unchanged right side wall thickness.
Further, an opening is obliquely formed in the rear end of the knuckle arm, and bosses are symmetrically arranged on the upper side and the lower side of the right end of the opening.
Further, an angle between a front end surface of the opening and a longitudinal section of the knuckle body is greater than 65 degrees and less than 75 degrees.
Further, the rear side of the right end of the knuckle arm is provided with a convex portion vertically symmetrically.
Further, the knuckle is integrally cast and subjected to normalizing and tempering.
【3】 Advantageous effects
The engineering truck steering knuckle increases the structural strength of the joint of the steering knuckle, improves the reliability and prolongs the service life, thereby greatly reducing the deformation and fracture conditions; the structural strength of the corresponding connection part is improved through the thicker truncated cone connection section and the cylindrical connection section so as to prevent the connection part from being broken or deformed; the first gradual change section with gradually smaller wall thickness can bear extremely large force, and is not easy to deform and break; the opening is arranged to avoid the connecting part of the transverse pull rod, and the weight can be reduced; the boss is provided with a transverse pull rod which can be connected to pull the knuckle arm; the convex part can strengthen the structural strength of the right side of the knuckle arm; the steering knuckle which is formed by integral casting and subjected to normalizing and tempering greatly improves the hardness and the structural strength.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a front view of the present utility model;
FIG. 4 is a top view of the present utility model;
fig. 5 is a right side view of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present utility model provides an engineering truck knuckle, which comprises a knuckle body 1 of an integrated structure, the integrated structure has better structural strength, the upper and lower ends of the knuckle body 1 are vertically and symmetrically provided with a rotating shaft 2, the rotating shaft 2 is composed of a truncated cone connecting section 2.3 connected with the knuckle body 1, which is sequentially connected with a limiting ring 2.2 and a first shaft section 2.1, the diameter of a small circle of the truncated cone connecting section 2.3 is larger than that of the first shaft section 2.1, the cross section direction of the truncated cone connecting section to the knuckle body is gradually thickened, the knuckle rotates around the rotating shaft in the process of pulling a knuckle arm by a pull rod, the rotating shaft needs to bear radial force, the structural strength of the place can be enhanced by the thicker truncated cone connecting section to prevent the joint of the rotating shaft and the knuckle body from being broken or deformed, the front end of the knuckle body 1 is longitudinally provided with a connecting shaft 3, the connecting shaft 3 is composed of a cylindrical connecting section 3.2 connected with the knuckle body 1 and a second shaft part 3.1, the diameter of the cylindrical connecting section 3.2 is larger than the maximum diameter of the second shaft part 3.1, in the process of pulling the knuckle arm, the connecting shaft supports and drives the front wheel to rotate around the rotating shaft so as to steer the engineering truck, so that extremely large load is born, the structural strength of the position is enhanced through the thicker cylindrical connecting section, the knuckle arm 4 is transversely arranged at the right end of the knuckle body 1, the knuckle arm 4 is composed of a first gradual change section with gradually reduced left side wall thickness and a second smooth section with unchanged right side wall thickness, the transverse pull rod pulls the right side of the knuckle arm, so that the knuckle rotates around the steering shaft, the first gradual change section is connected with the knuckle body, and the first gradual change section with gradually reduced wall thickness can bear extremely large force and is not easy to deform and break.
The rear end of the knuckle arm 4 is obliquely provided with an opening 4.1, the opening is arranged to avoid the connecting part of the transverse pull rod, the weight can be reduced, the upper side and the lower side of the right end of the opening 4.1 are symmetrically provided with bosses 4.2, and the transverse pull rod can pull the knuckle arm through the bosses.
The angle between the front end face of the opening 4.1 and the longitudinal section of the knuckle body 1 is greater than 65 degrees and less than 75 degrees. Preferably, the angle between the front end surface of the opening and the longitudinal section of the knuckle body is 70 degrees.
In order to enhance the structural strength of the connection with the transverse tie rod, the rear side of the right end of the knuckle arm 4 is provided with a convex portion symmetrically up and down. The transverse pull rod is pulled through the right side of the steering knuckle arm, and the convex part can strengthen the structural strength of the right side of the steering knuckle arm.
In order to improve the hardness and structural strength of the steering knuckle, the steering knuckle is formed by integral casting and is subjected to normalizing and tempering, the hardness reaches BH248-293, the surface of a part is subjected to shot blasting treatment, and antirust water is coated.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides an engineering vehicle knuckle which characterized in that: including knuckle body (1) of integrated structure, the upper and lower both ends of knuckle body (1) are perpendicular and be provided with axis of rotation (2) symmetrically, axis of rotation (2) by with the circular cone bench linkage segment (2.3) that knuckle body (1) is connected connect gradually spacing ring (2.2), first shaft part (2.1) are constituteed, circular cone bench linkage segment (2.3) small circle's diameter is greater than the diameter of first shaft part (2.1), the front end of knuckle body (1) is provided with connecting axle (3) longitudinally, connecting axle (3) by with cylinder linkage segment (3.2) that knuckle body (1) are connected constitutes second shaft part (3.1), the diameter of cylinder linkage segment (3.2) is greater than the maximum diameter of second shaft part (3.1), the right-hand member of knuckle body (1) transversely is provided with knuckle arm (4), knuckle arm (4) become gradually by left side wall thickness first section and the second section that does not become that the second that becomes gradually.
2. An engineering truck steering knuckle according to claim 1, wherein: the rear end of the steering knuckle arm (4) is obliquely provided with an opening (4.1), and bosses (4.2) are symmetrically arranged on the upper side and the lower side of the right end of the opening (4.1).
3. An engineering truck steering knuckle according to claim 2, wherein: an angle between a front end surface of the opening (4.1) and a longitudinal section of the knuckle body (1) is greater than 65 degrees and less than 75 degrees.
4. An engineering truck steering knuckle according to claim 2, wherein: convex parts are symmetrically arranged on the rear side of the right end of the knuckle arm (4) up and down.
5. An engineering truck steering knuckle according to claim 1, wherein: the knuckle is formed by integral casting and is subjected to normalizing and tempering treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412091.9U CN219056375U (en) | 2022-12-16 | 2022-12-16 | Steering knuckle of engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223412091.9U CN219056375U (en) | 2022-12-16 | 2022-12-16 | Steering knuckle of engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219056375U true CN219056375U (en) | 2023-05-23 |
Family
ID=86341179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223412091.9U Active CN219056375U (en) | 2022-12-16 | 2022-12-16 | Steering knuckle of engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219056375U (en) |
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2022
- 2022-12-16 CN CN202223412091.9U patent/CN219056375U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |