CN114776698A - Automatic compensation device and method for abrasion of steering ball pin of mining truck - Google Patents

Automatic compensation device and method for abrasion of steering ball pin of mining truck Download PDF

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Publication number
CN114776698A
CN114776698A CN202210565460.3A CN202210565460A CN114776698A CN 114776698 A CN114776698 A CN 114776698A CN 202210565460 A CN202210565460 A CN 202210565460A CN 114776698 A CN114776698 A CN 114776698A
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CN
China
Prior art keywords
bearing
outer bearing
spherical end
spring
automatic compensation
Prior art date
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.)
Pending
Application number
CN202210565460.3A
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Chinese (zh)
Inventor
董志明
郭海全
刘文忠
张耀斌
潘艳君
李显武
兰天辉
宫继成
宋黎明
段景飞
赵磊
康春燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia North Hauler JSCL
Original Assignee
Inner Mongolia North Hauler JSCL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inner Mongolia North Hauler JSCL filed Critical Inner Mongolia North Hauler JSCL
Priority to CN202210565460.3A priority Critical patent/CN114776698A/en
Publication of CN114776698A publication Critical patent/CN114776698A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0647—Special features relating to adjustment for wear or play; Wear indicators
    • 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
    • B62D7/16—Arrangement of linkage connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0604—Construction of the male part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0628—Construction or details of the socket member with linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0642—Special features of the plug or cover on the blind end of the socket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/20—Land vehicles
    • F16C2326/24—Steering systems, e.g. steering rods or columns

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Support Of The Bearing (AREA)

Abstract

The invention discloses an automatic compensation device for abrasion of a steering ball pin of a mining car, which comprises: the bearing seat is provided with a bearing cavity, a bearing cover threaded hole is formed in the end face of an upper opening of the bearing cavity, a bearing cover is arranged at the upper opening, a connecting through hole is formed in the bearing cover, and a bolt penetrates through the connecting through hole and is connected into the bearing cover threaded hole; a closing edge is arranged at the lower opening, a first outer bearing and a second outer bearing are arranged in a bearing cavity, and the first outer bearing is positioned at the lower part of the second outer bearing; the first outer bearing and the second outer bearing enclose an opening spherical cavity, and a bearing gap is reserved between the first outer bearing and the second outer bearing; the tip of interior bearing is provided with spherical end, and spherical end is installed in the spherical intracavity of opening, and first spring has been placed to the top end face of the outer bearing of second. The invention also discloses an automatic compensation method for the abrasion of the steering ball pin of the mining car. The invention can automatically compensate the clearance generated by abrasion.

Description

Automatic compensation device and method for abrasion of steering ball pin of mining truck
Technical Field
The invention belongs to a steering ball pin of a mining car, and particularly relates to an automatic wear compensation device and a compensation method for the steering ball pin of the mining car.
Background
The ball pin is widely applied to various rotary joints of mining vehicles, is a key part for ensuring the stability of automobile operation, the smoothness, the comfort and the safety of driving and enabling the automobile to accurately and precisely drive, and is also called a ball hinge and a ball joint.
The steering ball pin of the mining car is an important part of a steering mechanism, is large in bearing load and is high in abrasion speed in the using process. The relative position of inner bearing and outer bearing is fixed, and along with the wearing and tearing of steering bulb, inner bearing and outer bearing, the clearance that the contact surface of steering bulb, inner bearing and outer bearing can produce beyond the design value to produce two-sided problem:
the larger clearance can further influence the service life of the inner bearing and the outer bearing, accelerate the abrasion of the bearings and influence the steering safety;
secondly, the larger clearance can influence the positioning size of the steering mechanism, and is not beneficial to the control of the whole vehicle.
Disclosure of Invention
The invention aims to provide a device and a method for automatically compensating the abrasion of a steering ball pin of a mining vehicle.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
mining car steering ball round pin wearing and tearing automatic compensation device includes: the method comprises the following steps: the bearing seat is provided with a bearing cavity, two ends of the bearing cavity are opened, the end face of the upper opening is provided with a plurality of bearing cover threaded holes, the upper opening is provided with a bearing cover, the edge of the bearing cover is provided with a plurality of connecting through holes, and bolts penetrate through the connecting through holes and are connected in the bearing cover threaded holes; a closing edge is arranged at the lower opening, a first outer bearing and a second outer bearing are arranged in a bearing cavity, and the first outer bearing is positioned at the lower part of the second outer bearing; the inner walls of the first outer bearing and the second outer bearing are annular cambered surfaces, the inner walls of the first outer bearing and the second outer bearing enclose an open spherical cavity, the bottom of the first outer bearing is positioned at the upper part of the closed edge, and a bearing gap is reserved between the first outer bearing and the second outer bearing; the tip of interior bearing is provided with spherical end, and spherical end is installed in the spherical intracavity of opening, and first spring has been placed to the top terminal surface of the outer bearing of second, and first spring is located between the outer bearing of second, the bearing cap, and the inner wall laminating of the outer bearing of first outer bearing, second is on spherical end.
Furthermore, the top end face of the second outer bearing is provided with an annular table top which is lower than the top end face, the bottom of the first spring is located on the annular table top, and the top of the first spring abuts against the inner wall face of the bearing cover.
Further, the inner bearing includes: spherical end, toper connecting rod, excessive connector, spherical end are connected at excessive connector top, and the bottom at excessive connector is connected to the toper connecting rod.
Furthermore, the transition connecting body is in transition connection with the spherical end head through an annular cambered surface, and the top of the spherical end head is a plane.
Furthermore, a second spring is arranged between the first outer bearing and the closing-in edge, the second spring is positioned in the bearing cavity, the lower part of the second spring abuts against the upper part of the closing-in edge, and the upper part of the second spring abuts against the bottom of the first outer bearing.
Furthermore, the positions of the threaded hole of the bearing cover and the connecting through hole are opposite, and the bearing cavity is cylindrical.
Further, the inner diameter of the closing-in edge is larger than the outer diameter of the inner bearing.
The automatic compensation method for the abrasion of the steering ball pin of the mining car comprises the following steps: the spherical end head is abraded with the inner walls of the first outer bearing and the second outer bearing due to friction in the rotating process; the first spring pushes the second outer bearing to move downwards, the annular arc surface of the second outer bearing presses the spherical end, the spherical end presses the annular arc surface of the first outer bearing downwards, the bearing gap between the first outer bearing and the second outer bearing is reduced, the spherical end and the annular arc surfaces of the first outer bearing and the second outer bearing are kept in a fit state, and the compensation of the abrasion loss is realized.
Preferably, when the inner bearing and the spherical end axially float, the spherical end pushes the second outer bearing to move towards the direction of the first spring, and the second outer bearing pushes the first spring to contract; the second spring pushes the first outer bearing to move along with the spherical end, so that the spherical end is kept in a fit state with the annular cambered surfaces of the first outer bearing and the second outer bearing.
The invention has the technical effects that:
1. when the contact surfaces of the inner bearing and the outer shaft are worn, the gap generated by the wear can be automatically compensated.
In the prior art, the relative position of the inner bearing and the outer bearing is fixed, and along with the abrasion of the inner bearing and the outer bearing, a clearance exceeding a design value can be generated, so that the service life of the inner bearing and the outer bearing and the positioning size of a steering mechanism are influenced.
The automatic compensation device for the abrasion of the steering ball pin of the mining vehicle can automatically compensate the gap generated by the mutual abrasion of the first outer bearing, the second outer bearing and the inner bearing, prolongs the service life of the bearing and ensures that a steering mechanism keeps accurate positioning. According to the mining vehicle steering ball pin abrasion automatic compensation device, through structural optimization, a variable opening spherical cavity is formed between the first outer bearing and the second outer bearing, a bearing cavity for enabling the first outer bearing and the second outer bearing to move is formed in the inner space of the bearing seat, relative shrinkage force is applied to the first outer bearing and the second outer bearing, the variable opening spherical cavity is enabled to be always attached to the spherical end of the inner bearing, and meanwhile the two technical problems that the service life of the bearing is prolonged, and the steering mechanism is kept in accurate positioning are solved.
2. In the automatic compensation device for abrasion of the steering ball pin of the mining vehicle, the first spring provides precompression, and the first spring pushes the second outer bearing to move downwards along with abrasion of the inner bearing, the first outer bearing and the second outer bearing, so that the abrasion amount is compensated, and the service life of the bearing is prolonged.
3. According to the invention, through the matching use of the first spring and the second spring, the axial play of the inner bearing can be eliminated while the abrasion loss is compensated, and the collision between the inner bearing and the first outer bearing and between the inner bearing and the second outer bearing is avoided.
3. The invention has the advantages of simple structure and high practicability.
Drawings
FIG. 1 is a schematic structural diagram of an automatic wear compensation device for a steering ball pin of a mining truck according to the present invention;
FIG. 2 is a schematic sectional view of a second outer bearing according to the present invention;
fig. 3 is a front view schematically showing the construction of the inner bearing according to the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
Fig. 1 is a schematic structural view of the automatic wear compensation device for the steering ball pin of the mining truck.
Mining car steering ball round pin wearing and tearing automatic compensation device includes: the bearing comprises a bearing seat 1, an inner bearing 2, a first outer bearing 3, a second outer bearing 4 and a first spring 5.
Bearing frame 1 is provided with bearing chamber 11, and 11 both ends openings in bearing chamber are provided with a plurality of bearing cap screw holes at upper portion open-ended terminal surface, and the upper portion opening part is provided with bearing cap 12, and bearing cap 12 is provided with a plurality of connect the through-hole in the edge, and bolt 13 passes connect the through-hole and connects in the bearing cap screw hole, fixes bearing cap 12 at the upper portion opening part of bearing frame 1. A closing edge 14 is arranged at the lower opening, and the inner diameter of the closing edge 14 is larger than the outer diameter of the inner bearing 2, so that the lower part of the inner bearing 2 can conveniently extend out.
The positions of the bearing cover threaded holes and the connecting through holes are opposite, and the shape of the bearing cavity 11 is determined according to the shapes of the first outer bearing 3, the second outer bearing 4 and the first spring 5. In the preferred embodiment, the bearing cavity 11 is cylindrical.
The first outer bearing 3 and the second outer bearing 4 are mounted in the bearing cavity 11, the first outer bearing 3 being located at the lower part of the second outer bearing 4. The inner wall of the first outer bearing 3 is an annular arc surface, the inner wall of the second outer bearing 4 is an annular arc surface, and the inner walls of the first outer bearing 3 and the second outer bearing 4 enclose an opening spherical cavity. The bottom of the first outer bearing 3 is located above the closing edge 14, and the closing edge 14 is used for positioning the longitudinal position and preventing the first outer bearing from being detached from the bearing cavity 11.
Fig. 2 is a schematic sectional view of the second outer bearing 4 according to the present invention.
The top terminal surface of the outer bearing 4 of second is provided with annular mesa, and annular mesa is less than the top terminal surface, and the bottom of first spring 5 is located annular mesa for prevent that first spring 5 from taking place lateral shifting. The bottom of the first spring 5 is arranged on the annular table surface of the second outer bearing 4, and the top of the first spring is abutted against the inner wall surface of the bearing cover 6.
As shown in fig. 3, is a front view of the inner bearing 2 of the present invention.
The inner bearing 2 includes: the ball-shaped end 21, the conical connecting rod 22 and the transition connecting body 23, wherein the ball-shaped end 21 is connected to the top of the transition connecting body 23, and the conical connecting rod 22 is connected to the bottom of the transition connecting body 23.
The transition connecting body 23 is in transition connection with the spherical end 21 by adopting an annular cambered surface. The top of the spherical end 21 is flat to prevent contact with the first spring 5 and friction. The tapered connecting rod 22 is used for connecting other components, and the tapered surface of the side wall of the tapered connecting rod 22 is used for matching connection to prevent the play.
The spherical end 21 is arranged in the open spherical cavity, and the inner walls of the first outer bearing 3 and the second outer bearing 4 are attached to the spherical end 21. A bearing gap is left between the first outer bearing 3 and the second outer bearing 4, and the bearing gap is used for the amount of wear.
The first spring 5 is placed on the top end surface of the second outer bearing 4, the first spring 5 is positioned between the second outer bearing 4 and the bearing cover 12, and the first spring 5 generates pre-compression amount to apply thrust to the second outer bearing 4. The first outer bearing 3 acts as a support and the second outer bearing 4 acts as a hold down, together defining the position of the spherical head 21, the spherical head 21 being free to rotate within the open spherical cavity.
When the spherical end 21 of the inner walls of the first outer bearing 3 and the second outer bearing 4 is worn, the first spring 5 can make the first outer bearing 3, the second outer bearing 4 and the spherical end 21 keep attached to the spherical end 21, so that the wear of the first outer bearing 3, the second outer bearing 4 and the spherical end 21 is compensated, and a gap caused by the wear is eliminated. The first spring 5 pushes the second outer bearing 4 to move downwards, the bearing gap between the first outer bearing 3 and the second outer bearing 4 is reduced, the distance is shortened, the abrasion loss is automatically compensated, and the service life of the device is prolonged; the tie rods connected to the tapered connecting rods 22 also enable precise control of the wheel steering angle, thereby keeping the steering mechanism accurately positioned.
A second spring may also be arranged between the first outer bearing 3 and the closing-in edge 14, the second spring is located in the bearing cavity 11, the lower part of the second spring abuts against the upper part of the closing-in edge 14, and the upper part of the second spring abuts against the bottom of the first outer bearing 3. Through the cooperation of the first spring 5 and the second spring, the abrasion loss is compensated, and the axial movement of the inner bearing 2 can be eliminated.
The automatic compensation method for the abrasion of the steering ball pin of the mining car comprises the following specific steps:
step 1: the spherical end 21 of the inner bearing 2 is arranged in an opening spherical cavity surrounded by the first outer bearing 3 and the second outer bearing 4, and the spherical end 21 is abraded with the inner walls of the first outer bearing 3 and the second outer bearing 4 due to friction in the rotating process;
step 2: the first spring 5 pushes the second outer bearing 4 to move downwards, the annular cambered surface of the second outer bearing 4 presses the spherical end 21 downwards, the spherical end 21 presses the annular cambered surface of the first outer bearing 3 downwards, the bearing gap between the first outer bearing 3 and the second outer bearing 4 is reduced, the spherical end 21 is kept in a fit state with the annular cambered surfaces of the first outer bearing 3 and the second outer bearing 4, and the compensation of abrasion loss is realized.
When the inner bearing 2 and the spherical end 21 axially move, the spherical end 21 pushes the second outer bearing 4 to move towards the first spring 5, and the second outer bearing 4 pushes the first spring 5 to contract; the second spring pushes the first outer bearing 3 to move along with the spherical end 21, so that the spherical end 21 is kept in a fit state with the annular cambered surfaces of the first outer bearing 3 and the second outer bearing 4.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.

Claims (9)

1. The utility model provides a mining car steering ball round pin wearing and tearing automatic compensation device which characterized in that includes: the bearing seat is provided with a bearing cavity, two ends of the bearing cavity are opened, the end face of the upper opening is provided with a plurality of bearing cover threaded holes, the upper opening is provided with a bearing cover, the edge of the bearing cover is provided with a plurality of connecting through holes, and bolts penetrate through the connecting through holes and are connected in the bearing cover threaded holes; a closing edge is arranged at the lower opening, a first outer bearing and a second outer bearing are arranged in a bearing cavity, and the first outer bearing is positioned at the lower part of the second outer bearing; the inner walls of the first outer bearing and the second outer bearing are annular cambered surfaces, the inner walls of the first outer bearing and the second outer bearing enclose an open spherical cavity, the bottom of the first outer bearing is positioned at the upper part of the closed edge, and a bearing gap is reserved between the first outer bearing and the second outer bearing; the tip of inner bearing is provided with spherical end, and spherical end is installed in the spherical intracavity of opening, and first spring has been placed to the top end face of the outer bearing of second, and first spring is located between the outer bearing of second, the bearing cap, and the inner wall laminating of the outer bearing of first outer bearing, second is on spherical end.
2. The mining car steering ball stud wear automatic compensation device of claim 1, characterized in that the top end face of the second outer bearing is provided with an annular table lower than the top end face, the bottom of the first spring is located on the annular table, and the top abuts against the inner wall face of the bearing cap.
3. The mining car steering ball pin wear automatic compensation device of claim 1, characterized in that the inner bearing comprises: spherical end, toper connecting rod, excessive connector, spherical end are connected at excessive connector top, and the bottom at excessive connector is connected to the toper connecting rod.
4. The automatic compensation device for the abrasion of the steering ball pin of the mining vehicle as claimed in claim 3, wherein the transition connecting body is in transition connection with the spherical end by adopting an annular cambered surface, and the top of the spherical end is a plane.
5. The mining car steering ball stud wear automatic compensation device of claim 1, characterized in that a second spring is arranged between the first outer bearing and the closing edge, the second spring is located in the bearing cavity, the lower part of the second spring abuts against the upper part of the closing edge, and the upper part of the second spring abuts against the bottom of the first outer bearing.
6. The mining car steering ball stud wear automatic compensation device of claim 1, characterized in that the positions of the bearing cover threaded hole and the connecting through hole are opposite, and the bearing cavity is cylindrical.
7. The mining car steering ball pin wear automatic compensation device of claim 1, characterized in that the inner diameter of the closing edge is larger than the outer diameter of the inner bearing.
8. The mining car steering ball pin wear automatic compensation method using the mining car steering ball pin wear automatic compensation device according to any one of claims 1 to 7, is characterized by comprising the following steps: the spherical end head is abraded with the inner walls of the first outer bearing and the second outer bearing in the rotating process due to friction; the first spring pushes the second outer bearing to move downwards, the annular cambered surface of the second outer bearing presses the spherical end, the spherical end presses the annular cambered surface of the first outer bearing downwards, the bearing gap between the first outer bearing and the second outer bearing is reduced, and the spherical end, the first outer bearing and the annular cambered surface of the second outer bearing are kept in a fit state, so that the compensation of abrasion loss is realized.
9. The mining car steering ball stud wear automatic compensation method of claim 8, characterized in that when the inner bearing and the spherical end axially float, the spherical end pushes the second outer bearing to move towards the first spring direction, and the second outer bearing pushes the first spring to contract; the second spring pushes the first outer bearing to move along with the spherical end, so that the spherical end is kept in a fit state with the annular cambered surfaces of the first outer bearing and the second outer bearing.
CN202210565460.3A 2022-05-23 2022-05-23 Automatic compensation device and method for abrasion of steering ball pin of mining truck Pending CN114776698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210565460.3A CN114776698A (en) 2022-05-23 2022-05-23 Automatic compensation device and method for abrasion of steering ball pin of mining truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210565460.3A CN114776698A (en) 2022-05-23 2022-05-23 Automatic compensation device and method for abrasion of steering ball pin of mining truck

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CN114776698A true CN114776698A (en) 2022-07-22

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0886308A (en) * 1994-09-16 1996-04-02 Saitama Kiki Kk Shaft coupling device
US5568930A (en) * 1995-08-25 1996-10-29 Trw Inc. Joint assembly
US6422779B1 (en) * 2000-01-18 2002-07-23 Trw Inc. Ball joint
JP2007100925A (en) * 2005-10-07 2007-04-19 Nabeya Bi-Tech Kk Holder
CN206682154U (en) * 2017-03-29 2017-11-28 江苏沃得农业机械有限公司 Tractor steering joint
CN215634362U (en) * 2021-06-30 2022-01-25 温州三连汽车零部件有限公司 Durable automobile pull rod ball head structure
CN217603161U (en) * 2022-05-23 2022-10-18 内蒙古北方重型汽车股份有限公司 Automatic compensation device for abrasion of steering ball pin of mining truck

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0886308A (en) * 1994-09-16 1996-04-02 Saitama Kiki Kk Shaft coupling device
US5568930A (en) * 1995-08-25 1996-10-29 Trw Inc. Joint assembly
US6422779B1 (en) * 2000-01-18 2002-07-23 Trw Inc. Ball joint
JP2007100925A (en) * 2005-10-07 2007-04-19 Nabeya Bi-Tech Kk Holder
CN206682154U (en) * 2017-03-29 2017-11-28 江苏沃得农业机械有限公司 Tractor steering joint
CN215634362U (en) * 2021-06-30 2022-01-25 温州三连汽车零部件有限公司 Durable automobile pull rod ball head structure
CN217603161U (en) * 2022-05-23 2022-10-18 内蒙古北方重型汽车股份有限公司 Automatic compensation device for abrasion of steering ball pin of mining truck

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