CN111572630B - Steering knuckle for engineering vehicle - Google Patents
Steering knuckle for engineering vehicle Download PDFInfo
- Publication number
- CN111572630B CN111572630B CN202010556693.8A CN202010556693A CN111572630B CN 111572630 B CN111572630 B CN 111572630B CN 202010556693 A CN202010556693 A CN 202010556693A CN 111572630 B CN111572630 B CN 111572630B
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- CN
- China
- Prior art keywords
- main pin
- lug
- fastening
- hole
- tie rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Braking Arrangements (AREA)
Abstract
本发明公开一种工程车用转向节，包括前端本体和支撑轴，支撑轴一端与前端本体一体成型；前端本体包括制动底板紧固盘、上耳、下耳和横拉杆臂定位块，支撑轴与制动底板紧固盘一端面一体成型，制动底板紧固盘另一端面一体成型连接上耳和下耳，下耳一侧有与其一体成型的横拉杆臂定位块，横拉杆臂定位块上开设有横拉杆臂紧固孔，上耳和下耳分别开设有上主销孔和下主销孔，上主销孔和下主销孔内分别套设有主销上衬套和主销下衬套。本发明在工程车领域，填补了12吨载荷的空白，增加了转向臂定位槽和横拉杆臂定位块，是的转向传动环节间隙更小，刚性增强，更加牢固可靠，在恶劣形式环境中性能突出，而且，经久耐用，方便维护，市场前景非常好。
The invention discloses a steering knuckle for an engineering vehicle, comprising a front end body and a support shaft, one end of the support shaft is integrally formed with the front end body; the front end body comprises a brake base plate fastening disc, an upper ear, a lower ear and a tie rod arm positioning block, the support shaft is integrally formed with one end face of the brake base plate fastening disc, the other end face of the brake base plate fastening disc is integrally formed to connect the upper ear and the lower ear, one side of the lower ear has a tie rod arm positioning block integrally formed therewith, a tie rod arm fastening hole is provided on the tie rod arm positioning block, the upper ear and the lower ear are respectively provided with an upper kingpin hole and a lower kingpin hole, and the upper kingpin hole and the lower kingpin hole are respectively sleeved with a kingpin upper bushing and a kingpin lower bushing. In the field of engineering vehicles, the invention fills the gap of 12-ton load, adds a steering arm positioning groove and a tie rod arm positioning block, makes the steering transmission link gap smaller, the rigidity is enhanced, more firm and reliable, has outstanding performance in harsh environments, and is durable, easy to maintain, and has very good market prospects.
Description
Technical Field
The invention belongs to the technical field of automobile accessories, relates to a steering knuckle, and particularly relates to a steering knuckle for an engineering truck.
Background
A suitable knuckle has excellent bearing performance and convenient maintenance performance under the condition of meeting the light weight of a vehicle. In the past, the bearing capacity can not meet engineering requirements, so that the steering knuckle is deformed, and the control of the vehicle is affected. Because the secret seal is unreliable, the early wear of the bearing, the failure of the brake and the like are caused, and the potential failure modes of serious property loss and even personal injury and death are caused.
The steering knuckle is put on the market for 5 years, has no complaint, is durable, convenient to maintain and has good market prospect.
The existing three-arm connection mode in the market is generally single bolt and nut fastening, and heretofore, in the field of engineering vehicles, a steering knuckle for a 12-ton front axle is a market blank.
Disclosure of Invention
In view of the above, the present invention aims to provide a steering knuckle for an engineering vehicle, which aims to fill up the market gap of the steering knuckle for a 12-ton front axle in the engineering vehicle field.
In order to achieve the above purpose, the following technical scheme is adopted:
the steering knuckle for the engineering truck comprises a front end body and a supporting shaft, wherein one end of the supporting shaft is integrally formed with the front end body;
The front end body comprises a brake bottom plate fastening disc, an upper lug, a lower lug and a tie rod arm positioning block, wherein the support shaft and one end face of the brake bottom plate fastening disc are integrally formed, the other end face of the brake bottom plate fastening disc is integrally formed to be connected with the upper lug and the lower lug, the upper lug and the lower lug are integrally of a 匚 -type structure, one side of the lower lug is provided with the tie rod arm positioning block integrally formed with the lower lug, the tie rod arm positioning block is provided with a tie rod arm fastening hole, the upper lug and the lower lug are respectively provided with an upper main pin hole and a lower main pin hole, the upper main pin hole and the lower main pin hole are coaxial, and a main pin bushing and a main pin lower bushing are respectively sleeved in the upper main pin hole and the lower main pin hole;
an upper oil cup hole and a lower oil cup hole which are communicated with the inner walls of the main pin upper bushing and the main pin lower bushing are respectively formed in the outer walls of the upper lug and the lower lug;
A steering arm positioning groove is formed in the outer side end face of the upper lug, and a plurality of steering arm fastening holes are formed in the steering arm positioning groove; in addition
The axes of the upper main pin hole and the lower main pin hole form an inclined angle with the axis of the supporting shaft.
As a further improvement of the invention, the support shaft comprises a fastening section, an outer bearing mounting section, a reducing connecting section and an inner bearing mounting section which are sequentially connected and integrally formed, wherein the outer wall of the fastening section is provided with threads and a locking key groove, and the diameter of the outer bearing mounting section is smaller than that of the inner bearing mounting section;
The front end body has with the one end that the back shaft is connected with back shaft integrated into one piece's oil blanket mount table and brake pedal mount table, the oil blanket mount table is connected with the inner bearing installation section, brake pedal mount table and brake pedal fastening disk integrated into one piece are at, and simultaneously, brake pedal mount table and brake pedal fastening disk transition department has seted up the trompil that is used for installing the ABS sensor to and, a plurality of brake pedal fastening holes have been seted up on the brake pedal fastening disk.
As a further improvement of the invention, a bulge is arranged on one side surface of the brake bottom plate fastening disc, which is connected with the upper lug and the lower lug, a steering limit screw hole is arranged on the bulge, and a pull rod avoiding section is arranged at the joint of the brake bottom plate fastening disc and the upper lug.
As a further improvement of the present invention, the inclination angle between the axes of the upper main pin hole and the lower main pin hole and the axis of the support shaft is 81.5 °.
As a further improvement of the invention, the inner side end surfaces of the upper ear and the lower ear are respectively an adjusting pad surface and a thrust bearing surface, the adjusting pad surface and the thrust bearing surface are mutually parallel, and a plurality of main pin cover holes are arranged on the outer side end surface of the lower ear.
As a further improvement of the invention, the axis of the tie rod arm fastening hole is perpendicular to the axis of the support shaft.
The beneficial effects of the invention are as follows: the invention fills the gap of 12 ton load in the engineering vehicle field, increases the steering arm positioning groove and the transverse pull rod arm positioning block, has smaller gap of steering transmission links, enhances rigidity, is more firm and reliable, has outstanding performance in severe form environment, is durable, is convenient to maintain, and has good market prospect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a left side view of the present invention;
fig. 4 is a state diagram of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
Please refer to fig. 1,2, 3, 4:
the steering knuckle for the engineering truck comprises a front end body 100 and a support shaft 200, wherein one end of the support shaft 200 is integrally formed with the front end body 100;
The front end body 100 comprises a brake bottom plate fastening disc 110, an upper ear 120, a lower ear 130 and a tie rod arm positioning block 140, wherein the support shaft 200 is integrally formed with one end surface of the brake bottom plate fastening disc 110, the other end surface of the brake bottom plate fastening disc 110 is integrally formed and connected with the upper ear 120 and the lower ear 130, the whole upper ear 120 and the lower ear 130 are in a 匚 type structure, the inner side end surfaces of the upper ear 120 and the lower ear 130 are respectively an adjusting pad surface 121 and a thrust bearing surface 131, the adjusting pad surface 121 is used for adjusting a shaft head, the adjusting pad surface 121 and the thrust bearing surface 131 are mutually parallel, a plurality of main pin cover holes 132 are formed on the outer side end surface of the lower ear 130, a steering arm positioning block 140 integrally formed with the lower ear 130 is formed on one side of the lower ear 130, a steering arm positioning groove 122 is formed on the outer side end surface of the upper ear 120, a steering arm fastening hole 1221 is formed on the steering arm positioning groove 122, the tie rod arm positioning block 140 is formed with a tie rod arm fastening hole 141, the axis of the tie rod arm fastening hole 141 is perpendicular to the axis of the support shaft 200, the upper main pin 120 and the lower main pin 123 are respectively formed in the upper main pin hole 123 and the lower main pin hole 123, and the main pin hole 133 are respectively arranged in the upper main pin hole and the lower main pin hole 133;
an upper oil cup hole 125 and a lower oil cup hole 135 which are communicated with the inner walls of the main pin bushing 124 and the main pin lower bushing 134 are respectively formed on the outer walls of the upper ear 120 and the lower ear 130;
the axes of the upper and lower king pin bores 123 and 133 are inclined at an angle of 81.5 ° to the axis of the support shaft 200.
The supporting shaft 200 comprises a fastening section 210, an outer bearing mounting section 220, a reducing connecting section 230 and an inner bearing mounting section 240 which are sequentially connected and integrally formed, wherein threads 211 and anti-loosening key grooves 212 are formed on the outer wall of the fastening section 210, and the diameter of the outer bearing mounting section 220 is smaller than that of the inner bearing mounting section 240;
The front end body 100 has with the one end that back shaft 200 is connected with back shaft 200 integrated into one piece's oil blanket mount table 150 and brake shoe mount table 160, oil blanket mount table 150 is connected with inner bearing mounting section 240, brake shoe mount table 160 and brake shoe fastening dish 110 integrated into one piece are at, and simultaneously, brake shoe mount table 160 and brake shoe fastening dish 110 transition department has seted up the trompil 111 that is used for installing the ABS sensor to and a plurality of brake shoe fastening holes 112 have been seted up on the brake shoe fastening dish 110.
A protrusion 230 is provided on a side surface of the brake pad fastening disc 110 connected with the upper ear 120 and the lower ear 130, a steering limit screw hole 231 is provided on the protrusion 230, and a pull rod avoiding section 1112 is provided at a connection part of the brake pad fastening disc 110 and the upper ear 120.
The mounting parts of the bearings are a fastening section 210, an outer bearing mounting section 220 and an inner bearing mounting section 240; the brake disc is mounted on the brake pad mounting table 160 and is fixed to the brake pad fastening disc 110 by bolts and the brake pad fastening holes 112; the spindle head passes through the main pin bush 124 and the main pin lower bush 134 and is used for lubricating and changing oil through the upper oil cup hole 125 and the lower oil cup hole 135; the steering arm mounting positions are a steering arm positioning groove 122, a tie rod arm positioning block 140, a tie rod arm fastening hole 141, and a steering arm fastening hole 1221.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The steering knuckle for the engineering truck is characterized by comprising a front end body and a supporting shaft, wherein one end of the supporting shaft is integrally formed with the front end body;
The front end body comprises a brake bottom plate fastening disc, an upper lug, a lower lug and a tie rod arm positioning block, wherein the support shaft and one end face of the brake bottom plate fastening disc are integrally formed, the other end face of the brake bottom plate fastening disc is integrally formed to be connected with the upper lug and the lower lug, the upper lug and the lower lug are integrally of a 匚 -type structure, one side of the lower lug is provided with the tie rod arm positioning block integrally formed with the lower lug, the tie rod arm positioning block is provided with a tie rod arm fastening hole, the upper lug and the lower lug are respectively provided with an upper main pin hole and a lower main pin hole, the upper main pin hole and the lower main pin hole are coaxial, and a main pin bushing and a main pin lower bushing are respectively sleeved in the upper main pin hole and the lower main pin hole;
an upper oil cup hole and a lower oil cup hole which are communicated with the inner walls of the main pin upper bushing and the main pin lower bushing are respectively formed in the outer walls of the upper lug and the lower lug;
A steering arm positioning groove is formed in the outer side end face of the upper lug, and a plurality of steering arm fastening holes are formed in the steering arm positioning groove; in addition
The axes of the upper main pin hole and the lower main pin hole form an inclined angle with the axis of the supporting shaft;
A bulge is arranged on one side surface of the brake bottom plate fastening disc, which is connected with the upper lug and the lower lug, a steering limit screw hole is arranged on the bulge, and a pull rod avoiding section is arranged at the joint of the brake bottom plate fastening disc and the upper lug;
the inclination angle between the axes of the upper main pin hole and the lower main pin hole and the axis of the supporting shaft is 81.5 degrees.
2. The steering knuckle for the engineering truck according to claim 1, wherein the supporting shaft comprises a fastening section, an outer bearing mounting section, a reducing connecting section and an inner bearing mounting section which are sequentially connected and integrally formed, threads and anti-loosening key grooves are formed on the outer wall of the fastening section, and the diameter of the outer bearing mounting section is smaller than that of the inner bearing mounting section;
The front end body has with the one end that the back shaft is connected with back shaft integrated into one piece's oil blanket mount table and brake pedal mount table, the oil blanket mount table is connected with the inner bearing installation section, brake pedal mount table and brake pedal fastening disk integrated into one piece are at, and simultaneously, brake pedal mount table and brake pedal fastening disk transition department has seted up the trompil that is used for installing the ABS sensor to and, a plurality of brake pedal fastening holes have been seted up on the brake pedal fastening disk.
3. The steering knuckle for the engineering truck according to claim 1, wherein the inner side end surfaces of the upper lug and the lower lug are respectively an adjusting pad surface and a thrust bearing surface, the adjusting pad surface and the thrust bearing surface are parallel to each other, and a plurality of main pin cover holes are formed in the outer side end surface of the lower lug.
4. The knuckle for an engineering vehicle according to claim 1, wherein an axis of the tie rod arm fastening hole is perpendicular to an axis of the support shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556693.8A CN111572630B (en) | 2020-06-18 | 2020-06-18 | Steering knuckle for engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010556693.8A CN111572630B (en) | 2020-06-18 | 2020-06-18 | Steering knuckle for engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111572630A CN111572630A (en) | 2020-08-25 |
| CN111572630B true CN111572630B (en) | 2024-11-26 |
Family
ID=72110073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010556693.8A Active CN111572630B (en) | 2020-06-18 | 2020-06-18 | Steering knuckle for engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111572630B (en) |
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| CN201520333U (en) * | 2009-09-21 | 2010-07-07 | 重庆大江工业有限责任公司 | Large speed ratio non-driven steering front shaft |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111572630A (en) | 2020-08-25 |
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Address after: 041000 Huinan District, Houma City, Linfen City, Shanxi Province Patentee after: Shanxi Zhongjin Industrial Manufacturing Co.,Ltd. Country or region after: China Address before: 043000 Huinan eco industrial park, Houma City, Linfen City, Shanxi Province Patentee before: SHANXI ZHONGJIN INDUSTRIAL MACHINERY CO.,LTD. Country or region before: China |
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