CN114412935A - Ball type steering transmission shaft structure of passenger car - Google Patents
Ball type steering transmission shaft structure of passenger car Download PDFInfo
- Publication number
- CN114412935A CN114412935A CN202111613546.0A CN202111613546A CN114412935A CN 114412935 A CN114412935 A CN 114412935A CN 202111613546 A CN202111613546 A CN 202111613546A CN 114412935 A CN114412935 A CN 114412935A
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- China
- Prior art keywords
- transmission shaft
- ball
- steel
- sliding sleeve
- steel ball
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 100
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000002035 prolonged effect Effects 0.000 claims abstract description 6
- 238000010622 cold drawing Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
Abstract
The invention belongs to the technical field of automobile technical accessories, and particularly relates to a ball type steering transmission shaft structure of a passenger car. The wear resistance of the transmission shaft assembly is prolonged, and the wear of the spline between the sliding sleeve and the transmission shaft is reduced. Comprises a transmission shaft; the transmission shaft is sleeved with a sliding sleeve, the transmission shaft is provided with a steel ball retainer, a plurality of steel ball mounting holes are distributed on the circumference of the steel ball retainer, steel balls are mounted in the steel ball mounting holes, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls. After the transmission shaft is welded with the shaft end joint fork, and then the sealing cover, the rubber dustproof ring, the gasket and the steel ball retainer assembly are sequentially arranged and limited by the shaft check ring, so that the steel ball retainer assembly slides in the ball path of the transmission shaft in a rolling manner. The transmission shaft and the sliding sleeve realize relative sliding through the reciprocating rolling of the steel balls of the rolling ball retainer assembly in the ball channel so as to transmit torque.
Description
Technical Field
The invention belongs to the technical field of automobile technical accessories, and particularly relates to a ball type steering transmission shaft structure of a passenger car; in particular to a four-ball-way ball type transmission shaft structure of a steering transmission device of a light truck and a medium truck.
Background
At present, a cab of a domestic truck is of a four-point suspension structure, so that the vibration of the cab caused by the fact that the impact of a road surface is transmitted to an automobile frame can be quickly attenuated, the cab has good smoothness and good fatigue strength, and a transmission shaft is required to be high in wear resistance. At present, most of steering transmission devices of various models are spline contact structures with telescopic sliding structures, namely spline sleeves and transmission shafts are directly matched and slide by splines, and are in sliding fit with the transmission shafts during working, the spline fit is influenced by alternating stress, the steering and twisting clearance is easily increased, and the service life of the transmission shaft assembly is low.
Disclosure of Invention
The invention provides a ball type steering transmission shaft structure of a passenger vehicle aiming at the defects in the prior art. Its wearability for solving the transmission shaft assembly promotes life, and sliding friction changes into rolling friction between during operation sliding sleeve and the transmission shaft, and coefficient of friction is little, has consequently reduced the spline wearing and tearing between sliding sleeve and the transmission shaft, simultaneously, guarantees that the during operation is effectual noise abatement, temperature rise, and steering transmission shaft life-span obtains promoting.
In order to achieve the purpose, the invention adopts the following technical scheme that the transmission shaft comprises a transmission shaft; the transmission shaft assembly is characterized in that a sliding sleeve is sleeved outside the transmission shaft, a steel ball retainer is arranged on the transmission shaft, a plurality of steel ball mounting holes are distributed on the circumference of the steel ball retainer, steel balls are mounted in the steel ball mounting holes, the steel ball retainer is used for uniformly distributing the steel balls in a ball channel of the transmission shaft, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls.
After the transmission shaft is welded with the shaft end joint fork, and then the sealing cover, the rubber dustproof ring, the gasket and the steel ball retainer assembly are sequentially arranged and limited by the shaft check ring, so that the steel ball retainer assembly slides in the ball path of the transmission shaft 1 in a rolling manner.
The sliding sleeve and the sleeve end section fork are welded together and then are arranged in the preorder assembly, and the transmission shaft and the sliding sleeve realize relative sliding through the reciprocating rolling of the steel balls of the rolling ball retainer assembly in the ball path to transfer torque.
Furthermore, the rubber dust ring is arranged on the transmission shaft, and after the sealing cover and the sliding sleeve are riveted together, the rubber dust ring is compressed and then forms a dustproof effect in an interference fit with the transmission shaft and the sliding sleeve.
Further, the surfaces of the ball paths of the sliding sleeve and the transmission shaft are uniformly coated with lubricating grease, and finally the sliding sleeve is installed and the sealing cover is riveted.
Furthermore, 4 rows of steel ball mounting holes are distributed on the circumference of the steel ball retainer, 4 steel ball mounting holes are arranged in each row, and sixteen steel balls are arranged on the steel ball retainer to form the steel ball retainer assembly.
Furthermore, the sliding sleeve is made of a special-shaped steel pipe with eight ball tracks.
Furthermore, the transmission shaft is a four-ball-path shaft, a cold drawing processing technology is adopted, the ball path is two semi-arc surfaces, and the steel ball is in linear contact with the ball path of the transmission shaft.
Furthermore, the sliding sleeve is an eight-ball-path steel pipe, a cold drawing processing technology is adopted, the ball path is two semi-arc surfaces, and the steel ball is in linear contact with the ball path of the sliding sleeve.
Furthermore, the steel ball retainer enables sixteen steel balls to be uniformly distributed in the ball channel of the transmission shaft, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls; when the ball transmission shaft assembly stretches, the steel balls roll in the circular arc ball way in a reciprocating and circulating mode, relative motion between the transmission shaft and the sliding sleeve is achieved, sliding friction is replaced by rolling friction, the stretching sliding force between the transmission shaft and the sliding sleeve is reduced, and the service life of the transmission shaft assembly is prolonged.
Compared with the prior art, the invention has the beneficial effects.
The steel ball is used as a contact medium of the transmission shaft and the sliding sleeve, so that the contact area between the transmission shaft and the sliding sleeve is effectively reduced, the friction coefficient is small, the spline abrasion between the sliding sleeve and the transmission shaft is reduced, the transmission shaft, the sliding sleeve and the steel ball are subjected to surface heat treatment, the hardness is high, the wear resistance is good, the service life of the steering transmission shaft is prolonged, and the performance is more stable.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the construction of the driveshaft section of the present invention.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a schematic structural view of the sliding sleeve portion of the present invention.
Fig. 5 is a sectional view B-B of fig. 4.
Fig. 6 is a schematic view of the structure of the sliding sleeve portion of the present invention.
Fig. 7 is a cross-sectional view C-C of fig. 6.
Detailed Description
As shown in fig. 1-7, the invention comprises a transmission shaft 1, a sealing cover 2, a rubber dustproof ring 3, a gasket 4, a steel ball retainer 5, steel balls 6, a shaft retainer ring 7 and a sliding sleeve 8, wherein 4 rows of steel ball mounting holes are distributed on the circumference of the steel ball retainer 5, 4 steel ball mounting holes are distributed on each row, sixteen steel balls 6 are mounted on the steel ball retainer 5 to form a steel ball retainer assembly, the sealing cover 2, the rubber dustproof ring 3, the gasket 4 and the retainer assembly are sequentially mounted on the transmission shaft, the retainer assembly is prevented from falling off by the shaft retainer ring 7, lubricating grease is uniformly coated on the surfaces of the sliding sleeve 8 and the ball path of the transmission shaft 1, and finally the sliding sleeve 8 is mounted and the sealing cover 2 is screwed; the steel ball retainer has the functions that sixteen steel balls 6 are uniformly distributed in the ball paths of the transmission shaft 1, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls 6; after the transmission shaft 1 and the shaft end joint fork are welded together, a sealing cover 2, a rubber dustproof ring 3, a gasket 4 and a steel ball retainer assembly are sequentially arranged and limited by a shaft check ring 7, so that the steel ball retainer assembly slides in a rolling way in the ball path of the transmission shaft 1; the sliding sleeve 8 and the sleeve end section fork are welded together and then are arranged in the preorder assembly, and the sealing cover 2 is riveted to enable the transmission shaft 1 and the sliding sleeve 8 to be riveted together; the transmission shaft 1 and the sliding sleeve 8 realize relative sliding through the reciprocating rolling of the steel ball 6 of the rolling ball retainer component in the ball path to transmit torque; the rubber dust ring 3 structure is installed on the transmission shaft 1 in sequence, after the sealing cover 2 and the sliding sleeve 8 are riveted together, the rubber dust ring 3 is compressed and then forms a dust-proof effect with the transmission shaft 1 and the sliding sleeve 8 in an interference fit manner.
Preferably, the sliding sleeve 8 is a profiled steel pipe with eight ball tracks.
Preferably, the transmission shaft 1 is a four-ball-path shaft and adopts a cold-drawing processing technology, the ball path is two semi-arc surfaces, the steel ball 6 is in linear contact with the ball path of the transmission shaft 1, the ball path has higher hardness after surface quenching treatment and good wear resistance, and the service life of the ball transmission shaft assembly is prolonged. The sliding sleeve 8 is an eight-lane steel pipe and adopts a cold drawing processing technology, the lane is two semi-arc surfaces, the steel ball 6 is in linear contact with the lane of the sliding sleeve 8, the surface of the lane has higher hardness after heat treatment, the wear resistance is good, and the performance of the ball transmission shaft assembly is stable.
The working principle is as follows: the steel ball retainer 5 enables sixteen steel balls to be uniformly distributed in the ball channel of the transmission shaft 1, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls 6; when the ball transmission shaft assembly stretches, the steel ball 6 circularly rolls in the circular arc lane in a reciprocating manner, so that the relative motion between the transmission shaft 1 and the sliding sleeve 8 is realized, the rolling friction replaces the sliding friction, the sliding force of stretching between the transmission shaft 1 and the sliding sleeve 8 is reduced, and the service life of the transmission shaft assembly is prolonged.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (8)
1. A ball type steering transmission shaft structure of a passenger vehicle comprises a transmission shaft; the method is characterized in that: the transmission shaft is sleeved with a sliding sleeve, the transmission shaft is provided with a steel ball retainer, a plurality of steel ball mounting holes are distributed on the circumference of the steel ball retainer, steel balls are mounted in the steel ball mounting holes, the steel ball retainer is used for uniformly distributing the steel balls in a ball channel of the transmission shaft, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls;
after the transmission shaft is welded with the shaft end yoke and the transmission shaft is welded with the shaft end yoke, a sealing cover, a rubber dustproof ring, a gasket and a steel ball retainer assembly are sequentially arranged and limited by a shaft check ring, so that the steel ball retainer assembly slides in a rolling way of the transmission shaft;
the sliding sleeve and the sleeve end section fork are welded together and then are arranged in the preorder assembly, and the transmission shaft and the sliding sleeve realize relative sliding through the reciprocating rolling of the steel balls of the rolling ball retainer assembly in the ball path to transfer torque.
2. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: the rubber dust ring is arranged on the transmission shaft, and after the sealing cover and the sliding sleeve are riveted together, the rubber dust ring is compressed and then forms a dust-proof effect in an interference fit manner with the transmission shaft and the sliding sleeve.
3. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: and lubricating grease is uniformly coated on the surfaces of the ball paths of the sliding sleeve and the transmission shaft, and finally the sliding sleeve is arranged and the sealing cover is riveted by screwing.
4. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: 4 rows of steel ball mounting holes are distributed on the circumference of the steel ball retainer, 4 steel ball mounting holes are distributed on each row, and sixteen steel balls are mounted on the steel ball retainer to form the steel ball retainer assembly.
5. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: the sliding sleeve is made of a special-shaped steel pipe with eight ball tracks.
6. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: the transmission shaft is a four-ball-path shaft, a cold drawing processing technology is adopted, the ball path is two semi-arc surfaces, and the steel ball is in linear contact with the ball path of the transmission shaft.
7. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: the sliding sleeve is an eight-lane steel pipe, a cold drawing processing technology is adopted, lanes are two semi-arc surfaces, and steel balls are in linear contact with the lanes of the sliding sleeve.
8. The ball steering transmission shaft structure for passenger vehicles according to claim 1, wherein: the steel ball retainer enables sixteen steel balls to be uniformly distributed in the ball channel of the transmission shaft, and the radial clearance of the transmission shaft assembly is eliminated by matching the diameters of the steel balls; when the ball transmission shaft assembly stretches, the steel balls roll in the circular arc ball way in a reciprocating and circulating mode, relative motion between the transmission shaft and the sliding sleeve is achieved, sliding friction is replaced by rolling friction, the stretching sliding force between the transmission shaft and the sliding sleeve is reduced, and the service life of the transmission shaft assembly is prolonged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613546.0A CN114412935A (en) | 2021-12-27 | 2021-12-27 | Ball type steering transmission shaft structure of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613546.0A CN114412935A (en) | 2021-12-27 | 2021-12-27 | Ball type steering transmission shaft structure of passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114412935A true CN114412935A (en) | 2022-04-29 |
Family
ID=81269728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111613546.0A Pending CN114412935A (en) | 2021-12-27 | 2021-12-27 | Ball type steering transmission shaft structure of passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114412935A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728875Y (en) * | 2004-08-31 | 2005-09-28 | 靖江市格尔顿传动轴有限公司 | Ball spline type steering transmission device |
| KR100854785B1 (en) * | 2007-02-23 | 2008-08-27 | 주식회사 만도 | Shaft for power transmission and universal joint of steering apparatus including same |
| CN106089970A (en) * | 2016-08-12 | 2016-11-09 | 江苏金也汽车配件有限公司 | A kind of steel ball ball-type lower drive shaft assembly of rigid structure |
| CN208686838U (en) * | 2018-07-19 | 2019-04-02 | 四川绵阳德鑫机械有限公司 | In one kind, light commercial vehicle turn to high-intensitive countershaft assembly |
| CN112065872A (en) * | 2020-09-07 | 2020-12-11 | 北方重工集团有限公司 | Anti-backlash type steering transmission shaft steel ball retainer |
| CN212564308U (en) * | 2019-11-07 | 2021-02-19 | 万向钱潮股份有限公司 | Three-ball-path steering transmission shaft assembly |
-
2021
- 2021-12-27 CN CN202111613546.0A patent/CN114412935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728875Y (en) * | 2004-08-31 | 2005-09-28 | 靖江市格尔顿传动轴有限公司 | Ball spline type steering transmission device |
| KR100854785B1 (en) * | 2007-02-23 | 2008-08-27 | 주식회사 만도 | Shaft for power transmission and universal joint of steering apparatus including same |
| CN106089970A (en) * | 2016-08-12 | 2016-11-09 | 江苏金也汽车配件有限公司 | A kind of steel ball ball-type lower drive shaft assembly of rigid structure |
| CN208686838U (en) * | 2018-07-19 | 2019-04-02 | 四川绵阳德鑫机械有限公司 | In one kind, light commercial vehicle turn to high-intensitive countershaft assembly |
| CN212564308U (en) * | 2019-11-07 | 2021-02-19 | 万向钱潮股份有限公司 | Three-ball-path steering transmission shaft assembly |
| CN112065872A (en) * | 2020-09-07 | 2020-12-11 | 北方重工集团有限公司 | Anti-backlash type steering transmission shaft steel ball retainer |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230711 Address after: No. 16-5, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province, 110000 Applicant after: Northern Heavy Industry (Shenyang) Automotive Steering System Co.,Ltd. Address before: 110000 No. 16, Kaifa Road, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province Applicant before: NORTH HEAVY INDUSTRY GROUP Co.,Ltd. |