CN208842139U - A kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle - Google Patents
A kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle Download PDFInfo
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- CN208842139U CN208842139U CN201821229881.4U CN201821229881U CN208842139U CN 208842139 U CN208842139 U CN 208842139U CN 201821229881 U CN201821229881 U CN 201821229881U CN 208842139 U CN208842139 U CN 208842139U
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- hub
- unit
- wheel hub
- former
- bearing
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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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Abstract
The utility model provides a kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle, and integrated installation has bearing unit on the inside of the hub body of hub unit, is pressed with bearing enclosure respectively at the both ends of bearing unit, inside be marked with lubricating grease;The excircle of hub body is equipped with wheel hub former, wheel hub former is located at the centre of bearing unit, so that the hub body with wheel hub former is in " people " character form structure along axial section, the weight loss groove on the inside of wheel hub former is successively arranged alternately with the weight loss groove on the outside of wheel hub former in circumferencial direction.The outer end face of semiaxis is fixedly mounted on the hub body outer end face of hub unit in connecting assembly, is equipped with spindle nose oil sealing between the spindle nose and axle housing end counterbore of semiaxis.The utility model is able to ascend wheel hub service life, reduces drive axle frequency of maintenance, and synchronous realization light-weight design, user is made to obtain tangible economic well-being of workers and staff.
Description
Technical field
The utility model belongs to commercial vehicle drive axle technical field, and in particular to a kind of to exempt to tie up for commercial vehicle drive axle
Protect hub unit and its connecting assembly.
Background technique
With the continuous rapid development of China's economic, Chinese highway, urban and rural highway construction have been had reached very
Mature, perfect state.Main delivery vehicle of the commercial vehicle as highway transportation, the quality of performance directly influence logistics row
The development of industry, drive axle transmit assembly as the main supporting body of commercial vehicle and torque, and the quality of performance is directly related to whole
The service performance of vehicle.
As country continues to increase overload managing dynamics, truck user is to improve whole income, mainly light from truck
It is in optimized selection in quantization and the truck rate of attendance with save the cost, improves income.In the recent period, domestic each master host factory is all beating
Extend maintenance period and lightweight attraction, wheel hub plays the pass such as carrying, driving and braking as the main sub-unit on drive axle
Key effect, operating condition is more severe and truck is easiest to one of part damaged.Therefore wheel hub reliability, maintenance period etc.
The using effect and the rate of attendance for directly affecting truck directly affect client's income.
Summary of the invention
The purpose of the present invention is to provide a kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle,
To promote wheel hub service life, drive axle frequency of maintenance, and synchronous realization light-weight design are reduced, obtains user conscientiously visible
Economic well-being of workers and staff.In conjunction with Figure of description, the technical solution of the utility model is as follows:
A kind of non-maintaining hub unit for commercial vehicle drive axle integrates on the inside of the hub body 103 of hub unit 1
Bearing unit 104 is installed, the bearing unit 104 is symmetrically installed by a pair of bearings to be formed, at the both ends of bearing unit 104 point
It is not pressed with bearing enclosure, is marked with lubricating grease in the Bearing inner of bearing unit 104;The excircle of hub body 103 is equipped with wheel
Hub former, the axial position of the wheel hub former are located at the centre of a pair of bearings of bearing unit 104, so that having wheel hub former
Hub body 103 along axial section be in " people " character form structure, radial bearing capacity is uniformly distributed to bearing list to realize
In a pair of bearings of member 104.
Further, weight loss groove, and wheel hub former are provided in the interior end face outside of the wheel hub former of hub body 103
The weight loss groove of inside is successively arranged alternately with the weight loss groove on the outside of wheel hub former in circumferencial direction.
Further, it is along the circumferential direction provided with the first mounting hole on the wheel hub former outer face of the hub body 103,
Assemble tire bolt 101 in the mounting hole, the inner end of hub body 103 is set with ABS gear ring 102, hub body 103 it is outer
Warning sign 105 is pasted on surface.
A kind of non-maintaining hub unit connecting assembly for commercial vehicle drive axle, the connecting assembly by hub unit 1,
Axle housing 2, locking nut 3, nut locking plate 4, spindle nose oil sealing 5, semiaxis 6, assembling bolt 7 and brake drum 8 form;The wheel hub list
Member 1 is the non-maintaining hub unit for being previously described for commercial vehicle drive axle;The hub unit 1 passes through bearing unit 104 and bridge
The shaft end of shell 2 is cooperatively connected, the outer end installation locking nut 3 of axle housing 2, and the nut locking plate 4 will be locked by assembling bolt 7
Nut 3 is fixed on axle housing 2;The semiaxis 6 is mounted in axle housing 2, and the outer end face of semiaxis 6 is fixedly mounted on hub unit 1
103 outer end face of hub body on, spindle nose oil sealing 5, and institute are installed between the 2 end counterbore of spindle nose and axle housing of the semiaxis 6
State between 2 end counterbore base of spindle nose oil sealing 5 and axle housing that there are the gaps of 1mm-2mm;The brake drum 8 and hub body 103
Wheel hub former outer be fixedly connected.
Compared with prior art, the utility model has the beneficial effects that:
1, bearing is integrated on original wheel hub by non-maintaining hub unit described in the utility model, realizes integrated design,
Largely reduce whole bridge assembly line wheel end number of parts;
2, bearing, bearing connection and reasonable arrangement, so that hub bearing are integrated in non-maintaining hub unit described in the utility model
Uniform force avoids some shaft strength excessive and wheel hub is caused to fail, and preparatory grease up and seals guarantor at bearing
Shield, has been effectively ensured the cleannes of wheel hub, has greatly improved service life, under standard road spectrum and city road spectrum design conditions,
The wheel hub service life is at 1,500,000 kilometers or so, in addition, realizing that wheel hub is not necessarily to time-based maintenance in vehicle normal processes, exempting to tie up throughout one's life
Shield;
3, " people " word-lifting formula wheel hub disc is used in non-maintaining hub unit described in the utility model, reaches decomposition wheel hub
The purpose of bearing capacity enables bearing capacity suffered by wheel hub to be evenly distributed on inside and outside two mouthfuls of bearings of bearing unit, is promoted
The hub bearing service life;
4, in non-maintaining hub unit described in the utility model, in " people " font wheel hub disc other register, compartment removes material
Material, neither influence wheel hub stress, and light-weight design is realized, and be conducive to wheel hub and radiate, compared with former common wheel hub, realize
Weight 10Kg/ bridge drops;
5, in non-maintaining hub unit connecting assembly described in the utility model, one is installed between axle shell shaft-head and semiaxis
Spindle nose oil sealing prevents the gear lubricant in axle housing from entering in hub-bearing unit, contacts with lubricating grease and lubricating grease is caused to become
Matter failure;
6, non-maintaining hub unit connecting assembly structure described in the utility model is simple, easy for installation, highly reliable.
Detailed description of the invention
Fig. 1 is the structural representation of the non-maintaining hub unit connecting assembly described in the utility model for commercial vehicle drive axle
Figure;
Fig. 2 is the structural schematic diagram of the non-maintaining hub unit described in the utility model for commercial vehicle drive axle;
Fig. 3 is the non-maintaining hub unit stress diagram described in the utility model for commercial vehicle drive axle;
Fig. 4 a is that the wheel hub former inside of the non-maintaining hub unit described in the utility model for commercial vehicle drive axle shows
It is intended to;
Fig. 4 b is that the wheel hub former outside of the non-maintaining hub unit described in the utility model for commercial vehicle drive axle shows
It is intended to;
Fig. 5 is the bearing arrangement schematic diagram of the non-maintaining hub unit described in the utility model for commercial vehicle drive axle.
In figure:
1- wheel hub, 2- axle housing, 3- locking nut, 4- nut lock
Piece,
5- spindle nose oil sealing, 6- semiaxis, 7- assembling bolt, 8- brake drum;
101- tire bolt, 102-ABS gear ring, 103- hub body, 104- bearing
Unit,
105- warning sign, 106- bearing inner oil seal, 107- bearing outer oil seal;
The first weight loss groove of A-, the second weight loss groove of B-.
Specific embodiment
For technical solution described in the utility model is further described, in conjunction with Figure of description, the specific reality of the utility model
It is as follows to apply mode:
As shown in Fig. 2, the utility model discloses a kind of non-maintaining hub units for commercial vehicle drive axle, by tire
Outside bolt 101, ABS gear ring 102, hub body 103, bearing unit 104, warning sign 105, bearing inner oil seal 106 and bearing
Oil sealing 107 forms, wherein 104 integrated installation of bearing unit forms one with hub body 103 in 103 inside of hub body
Body formula structure, as shown in figure 5, the bearing unit 104 is symmetrically installed by a pair of bearings and is formed, the bearing is raw for FAG company
The tapered roller bearing of production, the outer ring inner face of two bearings radially act against the raised two sides at 103 middle part of hub body.?
The Bearing inner of bearing unit 104 is marked with high-performance lubricating grease, and bearing unit 104 is between axial inner ends and hub body 103
It is pressed with bearing inner oil seal 106 and realizes sealing, bearing unit 104 is pressed with bearing between axial outer end and hub body 103
Outer oil seal 107 realizes sealing, bearing inner oil seal 106 and bearing outer oil seal 107 for preventing wheel hub transport and period of assembly impurity
Lubricating grease is polluted into bearing, and leads to the reduction of bearing service life.The excircle of hub body 103 is equipped with a circle wheel hub width
Plate, the axial position of the wheel hub former are located at the centre of two bearings of bearing unit 104, so that having the wheel of wheel hub former
Hub ontology 103 is in " people " character form structure along axial section, as shown in figure 3, being somebody's turn to do " people " character form structure hub unit 1 is being held
When by radial bearing capacity, power can be uniformly distributed on two bearings inside and outside bearing unit 104, to promote wheel hub sheet
The service life of body 103 and bearing unit 104.It is along the circumferential direction opened on the wheel hub former outer face of the hub body 103
There is mounting hole, tire bolt 101 and mounting hole are cooperatively connected.The ABS gear ring 102 is sleeved on the inner end of hub body 103
Portion.The warning sign 105 is pasted on the outer surface of hub body 103.
As shown in figures 4 a and 4b, it is provided with weight loss groove in the interior end face outside of the wheel hub former of hub body 103,
In, the first weight loss groove A, the edge on the outer end face of wheel hub former are along the circumferential direction equably provided on the inner face of wheel hub former
Circumferencial direction is equably provided with the second weight loss groove B, and the first weight loss groove A and the second weight loss groove B is successively handed in circumferencial direction
For setting, the weight loss groove of this internal and external partition formula is designed, neither influence wheel hub stress, and realizes wheel hub light-weight design, and
Be conducive to wheel hub heat dissipation.
The hub body 103 is made of common steel material or aluminum alloy materials.
As shown in Figure 1, the invention also discloses a kind of companies of non-maintaining hub unit for commercial vehicle drive axle
Assembly is connect, the connecting assembly is by hub unit 1, axle housing 2, locking nut 3, nut locking plate 4, spindle nose oil sealing 5, semiaxis 6, combination
Bolt 7 and brake drum 8 form.Wherein, the hub unit 1 passes through the bearing unit 104 itself integrated and the axis of axle housing 2
End is cooperatively connected, and the axially position to bearing unit 104, the nut lock are realized by installation locking nut 3 in the outer end of axle housing 2
Piece 4 is locked locking nut 3 in axle housing 2 by assembling bolt 7, is prevented locking nut 3 from loosening and is retracted;The semiaxis 6 is mounted on
In axle housing 2, the outer end face of semiaxis 6 is fixedly mounted on 103 outer end face of hub body of hub unit 1 by screw, described
Spindle nose oil sealing 5 is installed between the 2 end counterbore of spindle nose and axle housing of semiaxis 6, to prevent the gear lubricant in axle housing from entering wheel
It in hub bearing unit, is contacted with lubricating grease and leads to lubricating grease deterioration failure, and the spindle nose oil sealing 5 and 2 end counterbore of axle housing
There are the gaps of 1mm-2mm between bottom.In the hub unit 1, the wheel hub former outer of hub body 103 by bolt with
The brake drum 8 is fixedly connected.
It is described in the utility model for the non-maintaining hub unit of commercial vehicle drive axle and its assembling process of connecting assembly
It is as follows:
S1: the lubricating grease that hub unit 1 is assembled and injection is specially specified is carried out by wheel hub factory, and at 104 liang of bearing unit
Side pressing bearing inner oil seal 106 and bearing outer oil seal 107 avoid wheel hub dust in transport, storage, assembling process from entering lubrication
Rouge.In addition, to be further ensured that hub unit cleannes, it is desirable that have the tooling of dress door in hub unit assembling process, avoid knocking
Brush up against dust pollution;
S2: hub unit connecting assembly assemble when, need to apply moderate lubrication rouge in advance on 2 spindle nose of axle housing, be conducive to
Hub unit assembly;
S3: tightening wheel hub locking nut 3 by defined torque, and do not allow rollback locking nut, then uses nut locking plate 4
Locking nut 3 is locked, if the bolt hole of nut locking plate 4 not with the hole on locking nut 3 to it, locking can only be tightened again
Nut 3 does not allow rollback locking nut 3 up to hole location alignment and with the urgent assembling bolt 7 of prescribed torque;
S4: being packed into spindle nose oil sealing 5 in spindle nose, and spindle nose oil sealing 5 cannot be attached to counterbore base, needs that there are 1mm to 2mm
Space;
S5: finally cooperate section to apply sealant in hub unit 1 and semiaxis 6 and fill semiaxis 6.
Claims (4)
1. a kind of non-maintaining hub unit for commercial vehicle drive axle, it is characterised in that:
Integrated installation has bearing unit (104) on the inside of the hub body (103) of hub unit (1), the bearing unit (104)
It is symmetrically installed and is formed by a pair of bearings, bearing enclosure is pressed with respectively at the both ends of bearing unit (104), in bearing unit
(104) Bearing inner is marked with lubricating grease;
The excircle of hub body (103) is equipped with wheel hub former, and the axial position of the wheel hub former is located at bearing unit (104)
A pair of bearings centre so that the hub body (103) with wheel hub former is in " people " character form structure along axial section, with
Radial bearing capacity is uniformly distributed in a pair of bearings of bearing unit (104) by realization.
2. a kind of non-maintaining hub unit for commercial vehicle drive axle as described in claim 1, it is characterised in that:
Weight loss groove, and the loss of weight on the inside of wheel hub former are provided in the interior end face outside of the wheel hub former of hub body (103)
Slot is successively arranged alternately with the weight loss groove on the outside of wheel hub former in circumferencial direction.
3. a kind of non-maintaining hub unit for commercial vehicle drive axle as described in claim 1, it is characterised in that:
The first mounting hole, the mounting hole are along the circumferential direction provided on the wheel hub former outer face of the hub body (103)
The inner end of interior assembly tire bolt (101), hub body (103) is set with ABS gear ring (102), the appearance of hub body (103)
Warning sign (105) are pasted on face.
4. a kind of non-maintaining hub unit connecting assembly for commercial vehicle drive axle, it is characterised in that:
The connecting assembly is by hub unit (1), axle housing (2), locking nut (3), nut locking plate (4), spindle nose oil sealing (5), half
Axis (6), assembling bolt (7) and brake drum (8) composition;
The hub unit (1) is the non-maintaining wheel hub for commercial vehicle drive axle described in any one of claim 1-3
Unit;
The hub unit (1) is cooperatively connected by the shaft end of bearing unit (104) and axle housing (2), the outer end installation of axle housing (2)
Locking nut (3) is fixed on axle housing (2) by locking nut (3), the nut locking plate (4) by assembling bolt (7);
The semiaxis (6) is mounted in axle housing (2), and the outer end face of semiaxis (6) is fixedly mounted on the wheel hub sheet of hub unit (1)
On body (103) outer end face, it is equipped with spindle nose oil sealing (5) between the spindle nose and axle housing (2) end counterbore of the semiaxis (6), and institute
State between spindle nose oil sealing (5) and axle housing (2) end counterbore base that there are the gaps of 1mm-2mm;
The brake drum (8) is fixedly connected with the wheel hub former outer of hub body (103).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821229881.4U CN208842139U (en) | 2018-08-01 | 2018-08-01 | A kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821229881.4U CN208842139U (en) | 2018-08-01 | 2018-08-01 | A kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle |
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CN208842139U true CN208842139U (en) | 2019-05-10 |
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CN201821229881.4U Active CN208842139U (en) | 2018-08-01 | 2018-08-01 | A kind of non-maintaining hub unit and its connecting assembly for commercial vehicle drive axle |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113246925A (en) * | 2021-06-23 | 2021-08-13 | 江苏万京技术有限公司 | Automobile hub brake drum assembly and assembling method thereof |
CN115848067A (en) * | 2022-12-21 | 2023-03-28 | 中国重汽集团济南动力有限公司 | Commercial car axle wheel end seal structure |
-
2018
- 2018-08-01 CN CN201821229881.4U patent/CN208842139U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113246925A (en) * | 2021-06-23 | 2021-08-13 | 江苏万京技术有限公司 | Automobile hub brake drum assembly and assembling method thereof |
CN113246925B (en) * | 2021-06-23 | 2024-05-14 | 江苏万京技术有限公司 | Automobile hub brake drum assembly and assembling method thereof |
CN115848067A (en) * | 2022-12-21 | 2023-03-28 | 中国重汽集团济南动力有限公司 | Commercial car axle wheel end seal structure |
CN115848067B (en) * | 2022-12-21 | 2024-05-31 | 中国重汽集团济南动力有限公司 | Axle wheel end sealing structure of commercial vehicle |
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