CN207550295U - A kind of heavy off-road vehicle front steering drive axle Integral steering section structure - Google Patents
A kind of heavy off-road vehicle front steering drive axle Integral steering section structure Download PDFInfo
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- CN207550295U CN207550295U CN201721237223.5U CN201721237223U CN207550295U CN 207550295 U CN207550295 U CN 207550295U CN 201721237223 U CN201721237223 U CN 201721237223U CN 207550295 U CN207550295 U CN 207550295U
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- knuckle
- drive axle
- integral
- axle housing
- stub
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Abstract
The utility model discloses a kind of heavy off-road vehicle front steering drive axle Integral steering section structures, and including Integral steering section and integral type front drive axle housing, the upper stub of integral type front drive axle housing connection and lower stub, Integral steering section are rotated around upper and lower stub；It is supported in the middle part of Integral steering section and integral type front drive axle housing through universal drive shaft, universal drive shaft using needle bearing；There is adjust pad between upper stub and integral type axle housing；There are venthole, the venthole plug for seal of Integral steering section side on Integral steering section and knuckle arm, knuckle arm venthole sets breather plug open in usual；Integral steering section lower end is supported by tapered roller thrust bearing.The advantageous effect of this programme can be learnt according to the narration of said program, compact-sized, integral strength is high, and assembly technology is simple to operation, and steering vertical force is supported by tapered roller thrust bearing, steering system is turned to flexibly and with good bearing capacity and reliability.
Description
Technical field
The utility model is related to a kind of heavy off-road vehicle parts more particularly to a kind of heavy off-road vehicle front steering to drive
Dynamic bridge Integral steering section structure.
Background technology
Domestic existing heavy off-road vehicle steering and driving axle is mainly using steyr technology, knuckle, spindle nose, axis
Fork, stub, axle housing and other assemblies constitute the steering mechanism of steering and driving axle.Wherein, knuckle and spindle nose, yoke and axle housing
It is respectively adopted and is bolted, knuckle is rotated around stub, to realize the turning function of steering and driving axle.This structure has some to lack
Point, such as it is complicated, assembly technology is tedious, simultaneously because yoke and axle housing connection bolt limitation axle housing flange is caused to become
Stress concentration point influences the entire load-carrying capacity of whole bridge.
Utility model content
The utility model is for the deficiency present in the prior art, and provides a kind of simple in structure, reasonable design, whole
Body intensity is high, and assembly technology is simple, a kind of easy-operating heavy off-road vehicle front steering drive axle Integral steering nodule
Structure.
To achieve these goals, the utility model provides a kind of heavy off-road vehicle front steering drive axle monoblock type
Slewing journal structure, including Integral steering section and integral type front drive axle housing, the upper stub of integral type front drive axle housing connection and under
Stub, Integral steering section are rotated around upper and lower stub；Run through universal biography in the middle part of Integral steering section and integral type front drive axle housing
Moving axis, universal drive shaft are supported using needle bearing；There is adjust pad between upper stub and integral type axle housing；Integral steering section
With having venthole, the venthole plug for seal of Integral steering section side on knuckle arm, knuckle arm venthole sets open in usual logical
Vent plug；Integral steering section lower end is supported by tapered roller thrust bearing.Compact overall structure, integral strength is high, assembly technology
It is simple to operation, and steering vertical force is supported by tapered roller thrust bearing, steering system is turned to flexibly and with good
Bearing capacity and reliability.
Specifically, the utility model is a kind of heavy off-road vehicle front steering drive axle Integral steering section structure, packet
Knuckle is included, the knuckle is connected with front drive axle housing, which is characterized in that the knuckle other end integral type setting
There is spindle nose, the knuckle is integrally formed part with spindle nose for solid forging technique；The front drive axle housing other end integral type is set
Yoke is equipped with, the front drive axle housing is integrally formed part with yoke for integral casting process；The spindle nose, knuckle and preceding driving
Axle housing, yoke inner cavity are provided with universal drive shaft, and the universal joint of the universal drive shaft is located at the knuckle and front driving axle
Shell junction.
Wherein, the universal drive shaft is set respectively at the universal joint between the front drive axle housing and knuckle
Needle bearing is equipped with, the needle bearing is provided with circlip at the universal joint, and the circlip is close to described
Universal joint side is provided with inner oil seal, and the inner oil seal is provided with outer oil seal close to the universal joint side.
The knuckle upper end is connected with knuckle arm, and be bolted by end face seam allowance；The knuckle arm connects
It connects knuckle upper end end face stop portion and is provided with male half coupling, the knuckle arm is connected with upper master by the male half coupling
Pin, and the front drive axle housing is flexibly connected by the upper stub；It is provided between the upper stub and the front drive axle housing
Bushing, the bushing are emerged the front drive axle housing；The upper stub axle center is provided with lubricant reservoir, the lubricant reservoir upper end
Plug screw is provided with, seal washer is provided between the plug screw and upper stub end；The front drive axle housing and the knuckle
Oil sealing is provided between the male half coupling of arm；Circlip is provided between the upper stub upper end and knuckle arm；The upper master
There is adjust pad between pin and front drive axle housing.
The knuckle lower end is connected with track rod lever, and be bolted by end face seam allowance；The drag link
Arm is connected with lower stub, and connects the front drive axle housing by the lower stub；The spindle arm and the front drive axle housing
Between be provided with tapered roller thrust bearing；Bushing is provided between the spindle arm and the lower stub；The thrust circle
Sealing ring is provided between taper roller bearing and the knuckle；The lower stub is provided with lubricant reservoir, the spindle arm
The corresponding lubricant reservoir is provided with hole and is connected with grease nipple.
The knuckle, knuckle arm and the front drive axle housing, spindle arm shape form the upper stub and under
The camber angle of the setting of the leaning angle and the cardan axis of the concentric setting of stub.
The knuckle is provided with venthole with knuckle arm, and the opening that the venthole leads to the universal joint is provided with
It blocks, the opening that the venthole leads to above the knuckle arm is provided with breather plug open in usual；The venthole is located at institute
It states knuckle and knuckle arm junction is provided with O-ring.
In the design, Integral steering section uses solid forging technique, substitution knuckle and the split type connection structure of spindle nose,
Integral type front drive axle housing uses integral casting process, substitution axle housing and the split type connection structure of yoke, the two manufacture and processing
Simple for process, compact-sized, integral strength is high, and assembly technology is simple to operation.The upper stub of front drive axle housing connection and lower master
Pin, knuckle are rotated around upper and lower stub, realize the turning function of forerunner's bridge.
Through universal drive shaft in the middle part of Integral steering section and integral type axle housing, for transmitting the torsion needed for axle assembly operation
Square.Universal drive shaft is supported using needle bearing, can fully ensure the reliability of transmission shaft work, bearing outside application elasticity gear
Circle is fixed.It is inner oil seal and outer oil seal on the outside of circlip, wherein outer oil seal is kept using the composite design of retainer and secondary lip
Frame can effectively stop the entrance of the dirts such as silt, and reduce the impact to secondary lip.
Integral steering section upper end is fixed, and it is urgent to pass through bolt by end face seam allowance with knuckle arm.Integral type axle housing
It is pressed into bushing in the matching hole of upper end in advance, there are boss, to take out bushing when is tooling reserved space for bushing lower end.Upper stub
And oil sealing is pressed into knuckle arm in advance, limits stub pushed position by circlip, upper stub lower face is inserted into bushing.
Upper stub uses hollow structure, and lubricant is injected by upper stub endoporus, and is sealed by seal washer and plug screw.Upper stub and one
There is adjust pad between formula axle housing, ensure to keep centainly between upper stub and adjust pad by adjusting adjust pad thickness
Gap value.
Venthole is processed on Integral steering section and knuckle arm, ensures that wheel side is communicated with ambient atmosphere.Integral steering
Side venthole plug for seal is saved, it is simple for process easy to operate；O-ring is equipped between Integral steering section and knuckle arm end face,
Ensure good end face seal, while knuckle arm upper vent hole sets breather plug open in usual, not only can guarantee airway patency but also can prevent
Only extraneous dirt pollutes lubricating oil by air flue.
Integral steering section lower end is fixed, and it is urgent to pass through bolt with track rod lever by end face seam allowance.It turns to horizontal
Bushing is pressed into tie rod arm in advance, the two upper surface is concordant, and there are gap, to take out bushing when leaves blank in advance for tooling for lower face
Between.During assembling first by the prepackage of protective sheet, sealing ring and Integral steering section in place, lower stub is then pressed into integral type axle housing
In the matching hole of lower end, tapered roller thrust bearing and track rod lever are reassembled, last urgent bolt.
The steering kingpin inclination of Integral steering section and its component composition is α, camber angle β.Steering system
The axis rotation united around upper stub and lower stub composition, and vertical force is supported by tapered roller thrust bearing, turns to flexible, carrying
Power and reliability are high.
The advantageous effect of this programme can learn that knuckle is with front drive axle housing using whole according to the narration of said program
Body formula structure, the two manufacture and processing technology are simple, compact-sized, and integral strength is high, and assembly technology is simple to operation.It is universal
Transmission shaft is supported using needle bearing, can fully ensure the reliability of transmission shaft work, and inner oil seal is used for the oil sealing of sealing
And outer oil seal double oil seal arrangement, ensure leakproofness, and outer oil seal is using the composite design of retainer and secondary lip, retainer energy
The effectively entrance of the dirts such as blocking silt, and reduce the impact to secondary lip.The pourable grease of upper and lower stub, upper and lower stub have
Good lubrication, while supported using taper roll bearing, it is ensured that automotive steering is turned to flexibly and with good bearing capacity
And reliability.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
In figure, 1, front drive axle housing；2nd, universal drive shaft；3rd, needle bearing；4th, circlip；5th, inner oil seal；6th, outer oil
Envelope；7th, knuckle arm；8th, bolt；9th, oil sealing；10th, bushing；11st, circlip；12nd, seal washer；13rd, plug screw；14th, upper master
Pin；15th, adjust pad；16th, breather plug open in usual；17th, O-ring；18th, knuckle；19th, venthole；20th, it blocks；21st, it protects
Piece；22nd, sealing ring；23rd, tapered roller thrust bearing；24th, lower stub；25th, grease nipple；26th, track rod lever；27th, bushing；
28th, bolt.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, this programme is illustrated.
As shown in Figure 1, the present embodiment is a kind of heavy off-road vehicle front steering drive axle Integral steering section structure, it is main
To include Integral steering section 18, front drive axle housing 1 and universal rotational axis 2.Wherein, Integral steering section 18 uses solid forging
Technique, integral type axle housing 1 use integral casting process, and the two manufacture and processing technology are simple, compact-sized, and integral strength is high,
And assembly technology is simple to operation.Semiaxis is supported using needle bearing 3 inside and outside universal drive shaft 2, can fully ensure transmission shaft work
The reliability of work, 3 outside of bearing are fixed using circlip 4.It is inner oil seal 5 and outer oil seal 6, wherein outer oil seal 6 on the outside of baffle ring
Using retainer and secondary lip design, retainer can effectively stop the entrance of the dirts such as silt, and reduce the impact to secondary lip.
Knuckle arm 7 is fixed by end face seam allowance and Integral steering section 18, and it is urgent to pass through bolt 8.Bushing 10 is advance
It is pressed into the upper end matching hole of integral type axle housing 1,10 lower end of bushing there are boss, leave blank in advance for tooling by take out bushing 10 when
Between.Upper stub 14 and oil sealing 9 are pressed into knuckle arm 7 in advance, and upper 14 upper surface of stub is limited by circlip 11, and lower face is inserted
Enter in bushing 10.Upper stub 14 uses hollow structure, and lubricant is injected by upper 14 endoporus of stub, by seal washer 12 and plug screw 13
Sealing, oil sealing 9 will prevent lubricant from being flowed out from 10 upside of bushing, and have adjust pad 15 between upper stub 14 and integral type axle housing 1,
Ensure to keep certain gap value x between upper stub 14 and adjust pad 15 by adjusting 15 thickness of adjust pad.
Integral steering section 18 ensures that wheel side is communicated with ambient atmosphere with processing venthole 19 on knuckle arm 7.Monoblock type
18 side venthole of knuckle is sealed with blocking 20, simple for process easy to operate；Integral steering section 18 and knuckle arm are set between 7 end face
Put O-ring 17, it is ensured that good end face seal, while 7 upper vent hole of knuckle arm sets breather plug 16 open in usual, both can guarantee gas
Road is unobstructed and can prevent extraneous dirt from polluting lubricating oil by air flue.
Track rod lever 26 is fixed by end face seam allowance and Integral steering section 18, and it is urgent to pass through bolt 28.Bushing
27 in advance in press-in track rod levers 26, and the two upper surface is concordant, and there are gap, to take out bushing 27 when is work for lower face
Fill reserved space.Protective sheet 21, sealing ring 22 and Integral steering section 18 are pre-installed in place, so by shown position first during assembling
Lower stub 24 is pressed into 1 lower end matching hole of integral type axle housing afterwards, reassembles tapered roller thrust bearing 23 and track rod
Arm 26, last urgent bolt 28.To 2 grease injection of grease nipple, ensure lower lubricity good between stub 24 and bushing 27.
Integral steering section 18 can be rotated around upper stub 14 with the axis that lower stub 24 forms relative to integral type axle housing 1, whole
The steering kingpin inclination of body formula knuckle 18 and its component composition is α, camber angle β.
Technical characteristic of the utility model without description can realize that details are not described herein by or using the prior art,
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in the essential scope of the utility model should also belong to
The scope of protection of the utility model.
Claims (5)
1. a kind of heavy off-road vehicle front steering drive axle Integral steering section structure, including knuckle, the knuckle is lived
It is dynamic to be connected with front drive axle housing, which is characterized in that the knuckle other end integral type is provided with spindle nose, the knuckle and axis
Head is integrally formed part for solid forging technique；The front drive axle housing other end integral type is provided with yoke, the front driving axle
Shell is integrally formed part with yoke for integral casting process；The spindle nose, knuckle and front drive axle housing, yoke inner cavity are provided with ten thousand
To transmission shaft, the universal joint of the universal drive shaft is located at the knuckle and front drive axle housing junction.
2. a kind of heavy off-road vehicle front steering drive axle Integral steering section structure according to claim 1, special
Sign is that the universal drive shaft is respectively arranged with rolling at the universal joint between the front drive axle housing and knuckle
Needle bearing, the needle bearing are provided with circlip at the universal joint, and the circlip is close to the universal joint
Side is provided with inner oil seal, and the inner oil seal is provided with outer oil seal close to the universal joint side.
3. a kind of heavy off-road vehicle front steering drive axle Integral steering section structure according to claim 2, special
Sign is that the knuckle upper end is connected with knuckle arm, and be bolted by end face seam allowance；The knuckle arm connection
Knuckle upper end end face stop portion is provided with male half coupling, and the knuckle arm is connected with upper stub by the male half coupling,
And the front drive axle housing is flexibly connected by the upper stub；Lining is provided between the upper stub and the front drive axle housing
Set, the bushing are emerged the front drive axle housing；The upper stub axle center is provided with lubricant reservoir, and the lubricant reservoir upper end is set
Plug screw is equipped with, seal washer is provided between the plug screw and upper stub end；The front drive axle housing and the knuckle arm
Male half coupling between be provided with oil sealing；Circlip is provided between the upper stub upper end and knuckle arm；The upper stub
There is adjust pad between front drive axle housing.
4. a kind of heavy off-road vehicle front steering drive axle Integral steering section structure according to claim 3, special
Sign is that the knuckle lower end is connected with track rod lever, and be bolted by end face seam allowance；The spindle arm
Lower stub is connected with, and the front drive axle housing is connected by the lower stub；The spindle arm and the front drive axle housing it
Between be provided with tapered roller thrust bearing；Bushing is provided between the spindle arm and the lower stub；The thrust circular cone
Sealing ring is provided between roller bearing and the knuckle；The lower stub is provided with lubricant reservoir, the spindle arm pair
The lubricant reservoir is answered to be provided with hole and is connected with grease nipple.
5. a kind of heavy off-road vehicle front steering drive axle Integral steering section structure according to claim 4, special
Sign is that the knuckle is provided with venthole with knuckle arm, and the opening that the venthole leads to the universal joint is provided with
It blocks, the opening that the venthole leads to above the knuckle arm is provided with breather plug open in usual；The venthole is located at institute
It states knuckle and knuckle arm junction is provided with O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237223.5U CN207550295U (en) | 2017-09-26 | 2017-09-26 | A kind of heavy off-road vehicle front steering drive axle Integral steering section structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237223.5U CN207550295U (en) | 2017-09-26 | 2017-09-26 | A kind of heavy off-road vehicle front steering drive axle Integral steering section structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207550295U true CN207550295U (en) | 2018-06-29 |
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ID=62676652
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721237223.5U Active CN207550295U (en) | 2017-09-26 | 2017-09-26 | A kind of heavy off-road vehicle front steering drive axle Integral steering section structure |
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| CN (1) | CN207550295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458461A (en) * | 2017-09-26 | 2017-12-12 | 中国重汽集团济南动力有限公司 | A kind of heavy off-road vehicle front steering drive axle Integral steering section and its component |
| CN112319607A (en) * | 2020-11-18 | 2021-02-05 | 芜湖禾田汽车工业有限公司 | Knuckle assembly based on cast aluminum alloy |
-
2017
- 2017-09-26 CN CN201721237223.5U patent/CN207550295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458461A (en) * | 2017-09-26 | 2017-12-12 | 中国重汽集团济南动力有限公司 | A kind of heavy off-road vehicle front steering drive axle Integral steering section and its component |
| CN107458461B (en) * | 2017-09-26 | 2023-09-08 | 中国重汽集团济南动力有限公司 | Integral steering knuckle for front steering drive axle of heavy off-road vehicle and assembly thereof |
| CN112319607A (en) * | 2020-11-18 | 2021-02-05 | 芜湖禾田汽车工业有限公司 | Knuckle assembly based on cast aluminum alloy |
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