CN106891994B - Agricultural machinery axle steering tie rod - Google Patents
Agricultural machinery axle steering tie rod Download PDFInfo
- Publication number
- CN106891994B CN106891994B CN201710213790.5A CN201710213790A CN106891994B CN 106891994 B CN106891994 B CN 106891994B CN 201710213790 A CN201710213790 A CN 201710213790A CN 106891994 B CN106891994 B CN 106891994B
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- CN
- China
- Prior art keywords
- ring
- shell
- ball
- dust cover
- ball pin
- 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.)
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Classifications
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- 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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- 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
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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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)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
An agricultural machinery axle steering pull rod belongs to the technical field of vehicle chassis structures, and particularly relates to the technical field of steering pull rod ball head structures. The invention comprises a transverse pull rod bearing and a straight pull rod bearing which are connected through a locking nut. The invention realizes the purposes of improving the dustproof sealing performance, ensuring the torque and the stable clearance and prolonging the service life.
Description
Technical Field
The invention belongs to the technical field of vehicle chassis structures, and particularly relates to a steering pull rod ball head assembly.
Background
The steering pull rod assembly is used for connecting a steering gear and a steering wheel in an automobile chassis structure, ensures the safety of steering and jumping of the wheels, transfers force and moment between a frame and an axle (wheels), bears the load of a vehicle, maintains the normal running of the vehicle on a road, and is a key part in an independent suspension chassis steering system. The method can ensure that the wheel track and the front wheel positioning parameter change are in an acceptable limit range, and ensure that the vehicle has good running stability.
The existing steering pull rod structure adopts standard rod end joint bearings at two ends, the middle is connected with the two end joint bearings through a connecting rod by adopting threads, and the steering pull rod is locked through nuts, so that the manufacturing process is complex and the assembly efficiency is low. The joint bearings at the two ends are not provided with sealing dustproof devices, dust and sand easily enter the lubricating surface, the lubricating performance is poor, and the service life of the product is very low. The actual use working conditions of the vehicle are terrains such as mountainous areas and farms, so that higher requirements are put on the dust tightness, torque, play performance and service life of the steering tie rod.
Disclosure of Invention
The invention aims to provide an agricultural machinery axle steering pull rod which can improve dust tightness, ensure torque and play stability and prolong service life.
The invention adopts the following technical scheme: an agricultural machinery axle steering tie rod comprises a transverse tie rod bearing and a straight tie rod bearing which are connected through a lock nut;
the track rod bearing includes: the ball pin is arranged in the steel ring seat hole and matched with the inner spherical surface of the steel ring, the ball bowl is arranged on the step hole of the steel ring and matched with the outer spherical surface of the ball pin, the spring is arranged in the flanging groove of the ball bowl, the cover plate is arranged in the flanging groove of the first shell, and the supporting sleeve is arranged at the neck of the ball pin; the lower opening part of the first dust cover is arranged in the clamping groove of the first shell through a ball pin, a first spring lock ring is arranged on the clamping groove at the periphery of the lower opening part of the first dust cover, and a first steel wire lock ring is arranged at the periphery of the upper opening part of the first dust cover;
the direct pull rod bearing includes: the second housing, the plastic ring, the second spring lock circle, the second dust cover, second wire lock circle, ball round pin, the ball round pin sets up in the assembly seat hole of second housing, sets up the plastic ring between the lower part of ball round pin and the second housing, is located second housing upper end and the periphery of ball round pin and sets up the second dust cover, sets up the second spring lock circle on the draw-in groove of second dust cover lower oral area periphery, and the periphery of second dust cover upper oral area sets up the second wire lock circle.
A gap between the first shell and the supporting sleeve is filled with lubricant.
The lubricant is sprayed on the inner spherical surface of the steel ring.
The gap between the second shell and the ball pin is filled with lubricant.
The inner spherical surface of the plastic ring is sprayed with the lubricant.
Compared with the prior art, the invention has the following advantages:
transverse pull rod bearing: the steel ring is in interference fit with the first shell mounting seat hole, so that the ball pin is prevented from relative displacement between the steel ring and the first shell in the rotating process, abrasion between the steel ring and the first shell is prevented, and the service life of the bearing and the running stability of the machine are improved; the spherical pin spherical surface is in clearance fit with the steel ring and the spherical bowl spherical surface, so that the bearing can rotate flexibly in the steering process, and the stability of the machine is improved; the ball bowl is in clearance fit with the step hole of the steel ring, so that the inner spherical surface of the ball bowl can be smoothly matched with the spherical surface of the ball pin, the contact area of the bearing is increased, and the service life is prolonged; the spring and the ball bowl are in clearance fit into the ball bowl flanging clamping groove, so that play compensation can be timely given along with the bearing after the bearing is worn during use, and the steering system is stable in performance; the cover plate is tightly pressed on the end face of the steel ring, so that the spring is ensured to have enough pretightening force, the wanted torque is obtained, and the stability of the steering system of the vehicle is ensured; the play is controlled by the fall between the flanging end face of the ball bowl and the end face of the steel ring, so that the phenomenon of jolt and play of the vehicle under severe working conditions is avoided; before the first dust cover is assembled, a supporting sleeve is arranged at the neck part of the ball pin, so that the upper opening of the first dust cover is prevented from sinking into the neck part of the ball head when the ball pin swings to the limit position, the dust-proof performance is reduced, and the service life of the bearing is prolonged; the first dust cover lower port is tightly hooped in the first shell clamping groove through the first spring lock ring, so that good sealing performance is achieved, lubricant is injected into a sealing space, lubricating capacity is improved, external dust and sand are prevented from entering, meanwhile, loss of the lubricant is prevented, service life is prolonged, the first dust cover upper port is tightly hooped on the ball pin conical surface through the first spring lock ring, external dust, sand, sewage and the like cannot enter the bearing, and service life of the bearing is greatly prolonged.
Straight pull rod bearing: the plastic ring is in clearance fit with the seat hole of the second shell, so that the plastic ring is smoothly assembled to an ideal position, the shell and the plastic ring are finally tightened through an oil press, no relative displacement exists between the plastic ring and the second shell in the running process of the bearing, the service life of the bearing is prolonged, the plastic ring is subjected to certain plastic deformation through tightening force, a certain torque is obtained, the stability of a steering system is ensured, play compensation can be timely given after the bearing is worn, and the service performance and the service life of the steering system are improved; the ball pin is in clearance fit with the plastic ring, so that the bearing can rotate flexibly in the steering process, the stability of the machine is improved, and the risk of plastic being broken in the assembly process is reduced; the second dust cover lower port is tightly hooped in the second shell flanging groove through the second spring lock ring, so that good sealing performance is achieved, lubricant is injected into a sealing space, lubricating capacity is improved, external dust and sand are prevented from entering, meanwhile, loss of the lubricant is prevented, service life is prolonged, the second dust cover upper port is tightly hooped in the ball pin clamping groove through the second spring lock ring, external dust, sand, sewage and the like cannot enter the bearing, and service life of the bearing is greatly prolonged.
Drawings
Fig. 1 is a schematic overall view of the structure of the present invention.
Fig. 2 is a schematic structural view of the tie rod bearing of the present invention.
Fig. 3 is a schematic view of the structure of the drag-rod bearing of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, 2 and 3, the steering tie rod of the agricultural machinery axle comprises a transverse tie rod bearing 001 and a straight tie rod bearing 002 which are connected through a lock nut 003;
the track rod bearing includes: the ball pin 02 is arranged in a seat hole of the first shell 01 through interference fit, the ball pin 02 is arranged in the seat hole of the steel ring 07 and is matched with the inner spherical surface of the steel ring 07, the ball bowl 08 is arranged on a step hole of the steel ring 07 and is matched with the outer spherical surface of the ball pin 02, the spring 09 is arranged in a flanging groove of the ball bowl 08, the cover plate 10 is arranged in a flanging groove of the shell 01, and the supporting sleeve 04 is arranged at the neck of the ball pin 02; the lower opening part of the first dust cover 05 is arranged in a clamping groove of the first shell 01 through a ball pin 02, a first spring lock ring 03 is arranged on the clamping groove at the periphery of the lower opening part of the first dust cover 05, and a first steel wire lock ring 06 is arranged at the periphery of the upper opening part of the first dust cover 05;
the straight pull rod bearing 002 includes: the second shell 11, the plastic ring 12, the second spring lock ring 13, the second dust cover 14, the second wire lock ring 15, the ball round pin 16 sets up in the assembly seat hole of second shell 11, set up the plastic ring 12 between the lower part of ball round pin 16 and the second shell 11, lie in the second shell 11 upper end and the periphery of ball round pin 16 and set up the second dust cover 14, set up the second spring lock ring 13 on the draw-in groove of second dust cover 14 lower oral area periphery, the periphery of second dust cover 14 upper oral area sets up the second wire lock ring 15.
The gap between the first housing 01 and the support sleeve 04 is filled with a lubricant 001a.
The inner sphere of the steel ring 07 is sprayed with lubricant.
The gap between the second housing 11 and the ball pin 16 is filled with the lubricant 002a.
The inner spherical surface of the plastic ring 12 is sprayed with a lubricant.
As shown in fig. 2, the transverse pull rod bearing of the present invention: the steel ring 07 is in interference fit with the mounting seat hole of the first shell 01, so that the ball pin is prevented from relative displacement with the first shell 01 in the rotation process, the spherical surface of the ball pin 02 is in clearance fit with the spherical surface of the steel ring 07 and the spherical surface of the ball bowl 08, the spherical bowl 08 is in clearance fit with the stepped hole of the steel ring 07, the spring 09 and the spherical bowl 08 are in clearance fit into the flanging clamping groove of the spherical bowl 08, and the cover plate 10 is tightly pressed on the end surface of the steel ring 07; before the first dust cover 05 is assembled, the supporting sleeve 04 is firstly arranged at the neck part of the ball pin 02, the lower opening of the first dust cover 05 is tightly hooped in the clamping groove of the first shell 01 through the first spring lock ring 03, so that good sealing performance is achieved, the lubricant 001a is injected into a sealing space, and the upper opening of the first dust cover 05 is tightly hooped on the conical surface of the ball pin 02 through the first steel wire lock ring 06.
As shown in fig. 3, the direct pull rod bearing of the present invention: the plastic ring 12 is in clearance fit with the seat hole of the second shell 11, the ball pin 16 is in clearance fit with the plastic ring 12, the lower opening of the second dust cover 14 is tightly hooped in the flanging groove of the second shell 11 through the second spring lock ring 13, and the upper opening of the second dust cover 14 is tightly hooped in the clamping groove of the ball pin 16 through the second steel wire lock ring 15.
Claims (5)
1. An agricultural machinery axle steering pull rod is characterized by comprising a transverse pull rod bearing (001) and a straight pull rod bearing (002) which are connected through a lock nut (003);
the transverse pull rod bearing comprises: the novel ball lock comprises a first shell (01), a ball pin (02), a first spring lock ring (03), a supporting sleeve (04), a first dust cover (05), a first steel wire lock ring (06), a steel ring (07), a ball bowl (08), a spring (09) and a cover plate (10), wherein the steel ring (07) is arranged in a seat hole of the shell (01) through interference fit, the ball pin (02) is arranged in the seat hole of the steel ring (07) and in clearance fit with an inner spherical surface of the steel ring (07), the ball bowl (08) is arranged on a step hole of the steel ring (07), the spherical surface of the ball bowl (08) is in clearance fit with an outer spherical surface of the ball pin (02), a spring (09) is arranged in a flanging groove of the ball bowl (08), the cover plate (10) is arranged in a flanging groove of the shell (01), and the supporting sleeve (04) is arranged at the neck of the ball pin (02); the lower opening part of the dust cover (05) is arranged in a clamping groove of the shell (01) through a ball pin (02), a spring lock ring (03) is arranged on the clamping groove at the periphery of the lower opening part of the dust cover (05), and a steel wire lock ring (06) is arranged at the periphery of the upper opening part of the dust cover (05); the cover plate (10) is tightly pressed on the end face of the steel ring (07); the spring (09) and the ball bowl (08) are installed in the flanging groove of the ball bowl (08) in a clearance fit manner so as to be capable of timely compensating play along with the wear of the tie rod bearing after use; the play is controlled by the fall between the flanging end face of the ball bowl (08) and the end face of the steel ring (07);
the straight pull rod bearing (002) includes: the anti-theft device comprises a second shell (11), a plastic ring (12), a second spring lock ring (13), a second dust cover (14), a second steel wire lock ring (15) and a ball pin (16), wherein the ball pin (16) is arranged in an assembly seat hole of the second shell (11), the plastic ring (12) is arranged between the lower part of the ball pin (16) and the second shell (11), the ball pin (16) and the plastic ring (12) are in clearance fit, the second dust cover (14) is arranged between the upper end part of the second shell (11) and the periphery of the ball pin (16), the second spring lock ring (13) is arranged on a clamping groove at the periphery of the lower opening of the second dust cover (14), and the second steel wire lock ring (15) is arranged at the periphery of the upper opening of the second dust cover (14);
the plastic ring (12) is in clearance fit with the seat hole of the second shell, and after the plastic ring (12) is smoothly assembled to an ideal position, the second shell (11) and the plastic ring (12) are tightened by an oil press.
2. The agricultural machinery axle tie rod of claim 1, wherein a gap between the first housing (01) and the support sleeve (04) is filled with a lubricant (001 a).
3. An agricultural vehicle axle tie rod according to claim 1, wherein the inner spherical surface of the steel ring (07) is coated with a lubricant.
4. The agricultural machinery axle tie rod according to claim 1, wherein a gap between the second housing (11) and the ball pin (16) is filled with a lubricant (002 a).
5. An agricultural vehicle axle tie rod according to claim 1, wherein the inner spherical surface of the plastic ring (12) is coated with a lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213790.5A CN106891994B (en) | 2017-04-01 | 2017-04-01 | Agricultural machinery axle steering tie rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213790.5A CN106891994B (en) | 2017-04-01 | 2017-04-01 | Agricultural machinery axle steering tie rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106891994A CN106891994A (en) | 2017-06-27 |
| CN106891994B true CN106891994B (en) | 2023-08-22 |
Family
ID=59192749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213790.5A Active CN106891994B (en) | 2017-04-01 | 2017-04-01 | Agricultural machinery axle steering tie rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106891994B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355512A (en) * | 2017-07-25 | 2017-11-17 | 盐城美希密封件有限公司 | A kind of mechanical vibration damping seal |
| CN110203282A (en) * | 2019-06-16 | 2019-09-06 | 保定卓沐园林绿化工程有限公司 | A kind of Vehicular turn pull rod |
| CN111005308A (en) * | 2019-12-27 | 2020-04-14 | 浙江省交通规划设计研究院有限公司 | Single-column type bridge pier beam bridge and reinforcing and modifying method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202863547U (en) * | 2012-10-19 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel steering tie rod structure |
| CN204210556U (en) * | 2014-09-29 | 2015-03-18 | 东风小康汽车有限公司重庆分公司 | Horizontal drawing lever for car steering bulb assembly |
| CN205186274U (en) * | 2015-10-29 | 2016-04-27 | 江西积裕实业有限公司 | Car steering linkage bulb assembly |
| CN205937450U (en) * | 2016-08-02 | 2017-02-08 | 台州凯纳制动器有限公司 | Car steering linkage bulb |
| CN206719322U (en) * | 2017-04-01 | 2017-12-08 | 江苏希西维轴承有限公司 | Agricultural machinery vehicle bridge steering linkage |
-
2017
- 2017-04-01 CN CN201710213790.5A patent/CN106891994B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202863547U (en) * | 2012-10-19 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Novel steering tie rod structure |
| CN204210556U (en) * | 2014-09-29 | 2015-03-18 | 东风小康汽车有限公司重庆分公司 | Horizontal drawing lever for car steering bulb assembly |
| CN205186274U (en) * | 2015-10-29 | 2016-04-27 | 江西积裕实业有限公司 | Car steering linkage bulb assembly |
| CN205937450U (en) * | 2016-08-02 | 2017-02-08 | 台州凯纳制动器有限公司 | Car steering linkage bulb |
| CN206719322U (en) * | 2017-04-01 | 2017-12-08 | 江苏希西维轴承有限公司 | Agricultural machinery vehicle bridge steering linkage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106891994A (en) | 2017-06-27 |
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