CN208324757U - A kind of lightweight heavy truck rear axle hub - Google Patents
A kind of lightweight heavy truck rear axle hub Download PDFInfo
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- CN208324757U CN208324757U CN201820616497.3U CN201820616497U CN208324757U CN 208324757 U CN208324757 U CN 208324757U CN 201820616497 U CN201820616497 U CN 201820616497U CN 208324757 U CN208324757 U CN 208324757U
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Abstract
The utility model discloses a kind of lightweight heavy truck rear axle hubs, including hub body (18), its main feature is that, inner bearing installation hole location (1) is set on hub body (18), inner bearing positions end face (2), outer bearing installs hole location (3), outer bearing positions end face (4), seal mounting hole position (5), oil sealing positions end face (6), wheel rim installation guiding position (7), brake drum positions end face (8), brake drum radial positioning face (9), wheel bolt installs hole location (10), wheel bolt positions end face (11), wheel bolt standstill face (12), semiaxis bolt mounting holes position (13), semiaxis installs end face (14), gear ring installs end face (15), gear ring installs radial positioning face (16) and fastening screw installation hole location (17)；It realizes and is keeping intensity, rigidity constant, under the premise of meeting service performance requirement, accomplish loss of weight 4Kg or more, substantially reduce cost.
Description
Technical field:
The utility model relates to heavy truck automotive axle technical field, specifically a kind of lightweight heavy truck rear axle hub.
Background technique:
With the increasing for limiting heavy truck automobile super dynamics, the core vocabulary of heavy truck industry concern is exactly " drop weight " and " light
Amount ", the loss of weight that heavy truck vehicle bridge related components design upper every 1Kg is all primary really material benefit to user, it is meant that institute's load-carrying
Freight can increase 1Kg, while also by the welcome of main engine plants, increase a market competitiveness to vehicle product.
Meanwhile with the growth of heavy truck market demand blowout, the main parts sizes such as vehicle bridge occur that supply falls short of demand again situation, simultaneous wheels
The demand of the vehicle bridge such as hub assembly main parts size is growing day by day, and individual monthly demands of model wheel hub are ten hundreds of, every 1Kg
Product loss of weight be folded in the cost of reduction, be a no small number over a year.
A kind of important spare part used is assembled as vehicle bridge, wheel hub is applied not only to installation semiaxis and installs wheel rim, will lead
The torque that retarder transmits passes to wheel, is also used to fixed oil sealing and gear ring etc. for sealing and detecting signal etc. important zero
Part.Traditional wheel hub is Ductile Iron Casting structure, and plurality of positions is designed too simple for proof strength, including wheel rim peace
Dress guiding position, brake drum radial positioning face, wheel bolt positioning end face, wheel bolt standstill face and semiaxis bolt mounting holes position are equal
It is designed as completely circular structure, causes wheel hub itself excessively too fat to move, from great, also have and wheel rim is installed into guiding position etc. is designed as circumferentially
It is segmented distribution equalizing structure, but all there are thick reinforcing ribs due to worrying intensity, so that wheel hub self weight is difficult to reduce.
The purpose of the utility model is to overcome the deficiencies of above-mentioned prior art, and provide a kind of lightweight heavy truck rear axle wheel
Hub, mainly solve the problems, such as existing wheel hub structure it is poor, from great.
The technical solution of the utility model is: a kind of lightweight heavy truck rear axle hub, including hub body, special character
Be, set in hub body inner bearing installation hole location, inner bearing positioning end face, outer bearing installation hole location, outer bearing positioning end face,
Seal mounting hole position, oil sealing positioning end face, wheel rim installation guiding position, brake drum position end face, brake drum radial positioning face, wheel
Bolt mounting holes position, wheel bolt positioning end face, wheel bolt standstill face, semiaxis bolt mounting holes position, semiaxis install end face, tooth
Circle installation end face, gear ring installation radial positioning face and fastening screw install hole location；It is set on the right side of the inner bearing installation hole location
Inner bearing positions end face, and it is vertical with inner bearing installation hole location that inner bearing positions end face；The left side of the outer bearing installation hole location
If outer bearing positions end face, it is parallel with inner bearing positioning end face that outer bearing positions end face, and has axial distance, outer bearing installation
Hole location and inner bearing installation hole location are coaxial；Seal mounting hole position is set on the left of the inner bearing installation hole location, the two is coaxial, and
Therebetween oil sealing positioning end face is set, it is vertical with seal mounting hole position that oil sealing positions end face；On the circumference of the hub body
If wheel rim installation guiding position, wheel rim installation guiding position axis and inner bearing installation hole location are coaxial；The wheel rim installation guiding position
Left side sets brake drum positioning end face, and it is vertical with wheel rim installation guiding position that brake drum positions end face；The circumference of the hub body
On set wheel bolt positioning end face, it is parallel that wheel bolt positions end face and brake drum positioning end face, and with axial distance, wheel
Bolt positions end-section axis and inner bearing installation hole location is coaxial, and wheel bolt positions between end face and brake drum positioning end face respectively
If perpendicular brake drum radial positioning face and wheel bolt install hole location, brake drum radial positioning face and wheel bolt installation
Hole location is uniformly distributed along the circumference, and axis and inner bearing installation hole location are coaxial；Wheel bolt is set on the left of wheel bolt positioning end face
Standstill face, the two is vertical, and wheel bolt standstill face is uniformly distributed along the circumference, and axis and inner bearing installation hole location are coaxial；Described is outer
Semiaxis installation end face is set on the right side of bearing positioning end face, the two is parallel；Semiaxis bolt mounting holes position is set on semiaxis installation end face,
The two is vertical, and semiaxis bolt mounting holes position is uniformly distributed along the circumference on semiaxis installation end face, semiaxis bolt mounting holes position circumferential axis
It is coaxial with outer bearing installation hole location；The left side and outside of the seal mounting hole position set gear ring installation end face and gear ring peace respectively
Radial positioning face is filled, gear ring installs radial positioning face and seal mounting hole position is coaxial, and gear ring installs end face and gear ring installation is radial
Positioning surface is vertical；Sets fastening screw installation hole location on described brake drum positioning end face, is uniformly distributed along the circumference, circumferential axis with it is interior
Bearing mounting hole position is coaxial, and it is vertical with brake drum positioning end face that fastening screw installs hole location；The wheel rim installation is oriented to position, system
Dynamic drum radial positioning face, wheel bolt positioning end face and wheel bolt standstill face are the segmental structure being uniformly distributed along the circumference.
Further, wheel rim installation guiding bit quantity is 6.
Further, the brake drum radial positioning face, wheel bolt installation hole location, wheel bolt position end face, vehicle
The quantity for taking turns bolt standstill face and semiaxis bolt mounting holes position is 10.
Further, the quantity of fastening screw installation hole location is 5.
Compared with the prior art a kind of lightweight heavy truck rear axle hub described in the utility model has following good effect:
1, in conjunction with finite element analysis Computer Aided Design, wheel rim installation guiding position, brake drum radial positioning face, wheel bolt positioning end face and vehicle
Taking turns bolt standstill face is the segmental structure being uniformly distributed along the circumference, and realizes and is not changing existing installation site size relationship, does not drop
Under the premise of low existing use intensity and rigidity, under the premise of meeting service performance requirement, substantially dropped so that wheel hub is self-possessed
It is low, it can accomplish loss of weight 4Kg or more, so that having accomplished the substantially drop of production cost under the background of existing production and marketing enormous amount
It is low；2, it is oriented between position and hub body using wheel rim installation without reinforcing rib structure simultaneously, so that wheel hub is self-possessed to obtain further
It reduces.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the left view of Fig. 2.
Specific embodiment:
For a better understanding and implementation, providing specific embodiment with reference to the accompanying drawing is described in detail the utility model；Institute
It is only used for explaining the utility model for embodiment, is not intended to limit the scope of the utility model.
Referring to Fig. 1,2,3, according to design requirement, hub body 18 is made by casting, to hub body 18 in embodiment 1
It is processed into inner bearing installation hole location 1, inner bearing positioning end face 2, outer bearing installation hole location 3, outer bearing positioning end face 4, oil sealing
Hole location 5, oil sealing positioning end face 6, wheel rim installation guiding position 7, brake drum positioning end face 8, brake drum radial positioning face 9, vehicle are installed
Take turns bolt mounting holes position 10, wheel bolt positions end face 11, wheel bolt standstill face 12, semiaxis bolt mounting holes position 13, semiaxis
End face 14, gear ring installation end face 15, gear ring installation radial positioning face 16 and fastening screw are installed, hole location 17 is installed, wherein wheel rim is pacified
Dress guiding 7 quantity of position 6, brake drum radial positioning face 9, wheel bolt installation hole location 10, wheel bolt position end face 11, wheel
The quantity of bolt standstill face 12 and semiaxis bolt mounting holes position 13 is 10, and fastening screw installs quantity 5 of hole location 17；It will
The internal diameter of inner bearing installation hole location 1 be processed into it is identical as the outer diameter of inner bearing, be machined on the right side of interior bearing mounting hole position 1 in
Bearing positions end face 2, and inner bearing positioning end face 2 is vertical with inner bearing installation hole location 1, and the two is used for the assembly of inner bearing；It will be outer
The internal diameter of bearing mounting hole position 3 is processed into identical as the outer diameter of outer bearing, is machined with outer shaft in the left side of outer bearing mounting hole position 3
Positioning end face 4 is held, the two is used for the assembly of outer bearing, and outer bearing positioning end face 4 is parallel with inner bearing positioning end face 2 and has one
Fixed axial distance, and outer bearing installation hole location 3 and inner bearing installation hole location 1 are coaxial；The internal diameter of seal mounting hole position 5 is added
At identical as the outer diameter of hub oil seal, seal mounting hole position 5 is located at the left side of inner bearing installation hole location 1 and installs with inner bearing work
Hole location 1 is coaxial；Oil sealing positioning end face 6, oil are machined in the left side on the right side of seal mounting hole position 5 and inner bearing installation hole location 1
Envelope positioning end face 6 is vertical with seal mounting hole position 5, and the two is used for the assembly of oil sealing；Wheel rim is installed to the outer diameter processing of guiding position 7
At identical as the internal diameter of wheel rim, wheel rim installation guiding position 7 is cast as quantity 6, is uniformly distributed along the circumference, axis and inner bearing are installed
Hole location 1 is coaxial；It is installed in wheel rim and is machined with brake drum positioning end face 8 on the left of guiding position 7, brake drum positions end face 8 and wheel rim is pacified
Dress guiding position 7 is vertical；By wheel bolt positioning end face 11 be processed into it is parallel with brake drum positioning end face 8 and have it is certain axially away from
From wheel bolt positioning end face 11 is cast as quantity 10, is uniformly distributed along the circumference, and axis and inner bearing installation hole location 1 are coaxial；?
It is machined with perpendicular brake drum radial positioning face 9 respectively between wheel bolt positioning end face 11 and brake drum positioning end face 8
Hole location 10 is installed with wheel bolt, brake drum radial positioning face 9 and wheel bolt installation 10 quantity of hole location are 10, circumferentially
Uniformly distributed, axis and inner bearing installation hole location 1 are coaxial, and the outer diameter in brake drum radial positioning face 9 is processed into the internal diameter with brake drum
Identical, the internal diameter of wheel bolt installation hole location 10 is processed into identical as the outer diameter of wheel bolt, is respectively used to brake drum and wheel
The assembly of bolt；Wheel bolt standstill face 12, wheel bolt standstill face 12 are machined in the left side of wheel bolt positioning end face 11
Outer diameter be processed into it is identical as the intrados internal diameter of the stud head of wheel bolt, and with wheel bolt positioning end face 11 it is vertical, vehicle
Wheel bolt standstill face 12 is cast as quantity 10, is uniformly distributed along the circumference, and axis and inner bearing installation hole location 1 are coaxial；Semiaxis installation
End face 14 be located at outer bearing positioning end face 4 right side and with outer bearing positioning end face 4 it is parallel；It is processed on semiaxis installation end face 14
There is semiaxis bolt mounting holes position 13, and semiaxis bolt mounting holes position 13 is vertical with semiaxis installation end face 14, quantity 10, and half
Axis installation is uniformly distributed along the circumference on end face 14, and circumferential axis and outer bearing installation hole location 3 are coaxial, semiaxis bolt mounting holes position 13
Internal diameter is processed into identical as the outer diameter of half axle bolt；Rack gear installation is processed respectively in the left side of seal mounting hole position 5 and outside
End face 15 and gear ring install radial positioning face 16, and the outer diameter in gear ring installation radial positioning face 16 is processed into the internal diameter phase with gear ring
Together, and coaxial with seal mounting hole position 5, gear ring installation end face 15 is vertical with gear ring installation radial positioning face 16, and the two is used for tooth
The assembly of circle；It is machined with fastening screw installation hole location 17 on brake drum positioning end face 8, quantity 5, is uniformly distributed along the circumference, justifies
All axis and inner bearing installation hole location 1 are coaxial, and the internal diameter of fastening screw installation hole location 17 is processed into the outer diameter phase with fastening screw
Together, and fastening screw installation hole location 17 is vertical with brake drum positioning end face 8.
A kind of lightweight heavy truck rear axle hub described in the utility model when work, assembles at interior bearing mounting hole position 1
Inner bearing positions the positioning of end face 2 by inner bearing and fixes, outer bearing is assembled at outer bearing mounting hole position 3, fixed by outer bearing
The positioning of position end face 4 is fixed；Hub oil seal is assembled at seal mounting hole position 5, and the positioning of end face 6 is positioned by oil sealing and is fixed；In tooth
Circle installation assembles gear ring at radial positioning face 16, installs the positioning of end face 15 by gear ring and fixes；At brake drum radial positioning face 9
Brake drum is assembled, 8 axially position of end face, then 5 by being assemblied at fastening screw installation hole location 17 are positioned by brake drum
Fastening screw realizes that the assembly of brake drum is fixed, this fixing intensity can meet production shipment and not fall off；Pacify in wheel bolt
It fills and assembles wheel bolt at hole location 10, end face 11 is positioned by wheel bolt and realizes axially position, since bolt and hole are small mistakes
It is full of and is coupled, therefore not fixation of the wheel bolt on wheel hub in the case of by large torque may be implemented, while wheel bolt is worn
Cross on brake drum there are 10 holes, assembly of the exposed certain length for postorder wheel rim and wheel nut so far realize wheel
The assembly of hub brake drum assembly；Then this wheel hub brake drum assembly is assemblied on heavy truck bridge, wheel can be realized by inside and outside bearing
Hub being freely rotated in vehicle bridge is realized the sealing of hub inner lumen by oil sealing, then is installed at end face 14 by installing in semiaxis
Semiaxis realizes that the transmitting of torque, semiaxis and wheel hub are fixed by 10 half axle bolts at semiaxis bolt mounting holes position 13,
So far the assembly of axle assembly is realized；Vehicle assembly finally is carried out in vehicle factor, needs wheel rim (wheel) being assemblied in wheel hub
On, when assembly, wheel rim installs guiding 7 guide-localization of position by wheel rim, then is locked by wheel bolt and wheel nut,
It due to the presence of wheel bolt standstill face 12 when locking, lock wheel nut can with large torque, realize the dress of vehicle wheel
Match.
Claims (4)
1. a kind of lightweight heavy truck rear axle hub, including hub body (18), which is characterized in that hub body sets inner shaft on (18)
Hold installation hole location (1), inner bearing positioning end face (2), outer bearing installation hole location (3), outer bearing positioning end face (4), oil sealing installation
Hole location (5), oil sealing positioning end face (6), wheel rim installation guiding position (7), brake drum position end face (8), brake drum radial positioning face
(9), wheel bolt installation hole location (10), wheel bolt positioning end face (11), wheel bolt standstill face (12), the installation of half axle bolt
Hole location (13), semiaxis installation end face (14), gear ring installation end face (15), gear ring installation radial positioning face (16) and fastening screw peace
It fills hole location (17)；Inner bearing positioning end face (2) is set on the right side of inner bearing installation hole location (1), inner bearing positions end face (2)
It is vertical with inner bearing installation hole location (1)；Outer bearing positioning end face (4), outer shaft are set on the left of outer bearing installation hole location (3)
It is parallel with inner bearing positioning end face (2) to hold positioning end face (4), and there is axial distance, outer bearing installs hole location (3) and inner bearing
It is coaxial that hole location (1) is installed；Seal mounting hole position (5) are set on the left of inner bearing installation hole location (1), the two is coaxial, and two
Oil sealing positioning end face (6) is set between person, it is vertical with seal mounting hole position (5) that oil sealing positions end face (6)；The hub body
(18) wheel rim installation guiding position (7) is set on circumference, wheel rim installation guiding position (7) axis and inner bearing installation hole location (1) are coaxial；
Brake drum positioning end face (8) is set on the left of wheel rim installation guiding position (7), brake drum positions end face (8) and leads with wheel rim installation
It is vertical to position (7)；Wheel bolt positioning end face (11) is set on the circumference of the hub body (18), wheel bolt positions end face
(11) parallel with brake drum positioning end face (8), and there is axial distance, wheel bolt positions end face (11) axis and inner bearing is pacified
It fills hole location (1) coaxially, sets perpendicular braking respectively between wheel bolt positioning end face (11) and brake drum positioning end face (8)
Drum radial positioning face (9) and wheel bolt installation hole location (10), brake drum radial positioning face (9) and wheel bolt install hole location
(10) it is uniformly distributed along the circumference, axis and inner bearing installation hole location (1) are coaxial；Vehicle is set on the left of wheel bolt positioning end face (11)
It takes turns bolt standstill face (12), the two is vertical, and wheel bolt standstill face (12) are uniformly distributed along the circumference, and axis and inner bearing install hole location
(1) coaxial；Semiaxis installation end face (14) is set on the right side of outer bearing positioning end face (4), the two is parallel；In semiaxis installation end
Semiaxis bolt mounting holes position (13) is set on face (14), the two is vertical, and end face is installed in semiaxis in semiaxis bolt mounting holes position (13)
(14) it is uniformly distributed along the circumference on, semiaxis bolt mounting holes position (13) circumferential axis and outer bearing installation hole location (3) are coaxial；The oil
The left side and outside of seal installation hole position (5) set gear ring installation end face (15) and gear ring installation radial positioning face (16), gear ring respectively
Radial positioning face (16) and seal mounting hole position (5) are installed coaxially, gear ring installs end face (15) and gear ring installs radial positioning face
(16) vertical；Fastening screw installation hole location (17) is set in brake drum positioning end face (8), is uniformly distributed along the circumference, circumference axis
Coaxially, it is vertical with brake drum positioning end face (8) that fastening screw installs hole location (17) for line and inner bearing installation hole location (1)；Described
Wheel rim installation guiding position (7), brake drum radial positioning face (9), wheel bolt positioning end face (11) and wheel bolt standstill face
It (12) is the segmental structure being uniformly distributed along the circumference.
2. a kind of lightweight heavy truck rear axle hub according to claim 1, which is characterized in that the wheel rim installs guiding
Position (7) quantity is 6.
3. a kind of lightweight heavy truck rear axle hub according to claim 1, which is characterized in that the brake drum is radially fixed
Plane (9), wheel bolt installation hole location (10), wheel bolt position end face (11), wheel bolt standstill face (12) and semiaxis spiral shell
The quantity that bolt installs hole location (13) is 10.
4. a kind of lightweight heavy truck rear axle hub according to claim 1, which is characterized in that the fastening screw installation
The quantity of hole location (17) is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616497.3U CN208324757U (en) | 2018-04-27 | 2018-04-27 | A kind of lightweight heavy truck rear axle hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616497.3U CN208324757U (en) | 2018-04-27 | 2018-04-27 | A kind of lightweight heavy truck rear axle hub |
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| Publication Number | Publication Date |
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| CN208324757U true CN208324757U (en) | 2019-01-04 |
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| CN201820616497.3U Active CN208324757U (en) | 2018-04-27 | 2018-04-27 | A kind of lightweight heavy truck rear axle hub |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515810A (en) * | 2018-04-27 | 2018-09-11 | 山东蓬翔汽车有限公司 | A kind of lightweight heavy truck rear axle hub |
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2018
- 2018-04-27 CN CN201820616497.3U patent/CN208324757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515810A (en) * | 2018-04-27 | 2018-09-11 | 山东蓬翔汽车有限公司 | A kind of lightweight heavy truck rear axle hub |
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