Maintenance-free aluminum alloy hub
Technical Field
The utility model relates to a wheel hub technical field specifically is a non-maintaining aluminum alloy wheel hub.
Background
At present, automobile hubs generally adopt cast iron materials, so that a small number of hubs are made of aluminum alloy materials and are mostly cast aluminum alloy hubs. The automobile hub is made of the 7-series aluminum alloy material, and the hub is formed by adopting a forging method, so that the automobile hub is the first time in China.
However, when the conventional hub is applied to a bus or a truck, the service life of the hub is greatly shortened due to long-term work, complex road conditions and overlarge self weight of the vehicle, the hub has to be frequently overhauled and maintained, worn parts are periodically replaced in the hub, time and labor are delayed when maintenance and part replacement are carried out each time, unnecessary manpower and material resources are increased in the use of the hub, and the use risk of the hub is also improved.
We have therefore proposed a maintenance-free aluminium alloy hub to address the problems set out above.
Disclosure of Invention
An object of the utility model is to provide a non-maintaining aluminum alloy wheel hub to solve the problem on the existing market that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a maintenance-free aluminum alloy wheel hub comprises a wheel hub body, an axle housing, an ABS gear ring and a bearing unit, wherein the rear end of the wheel hub body is fixedly connected to the inner side outer wall of a contact disc, the upper portion of the left side of the wheel hub body is fixedly connected to the bottom surface of an outer clamp spring, the bottom of the front end of the wheel hub body is fixedly connected to the outer wall of the front end of a tire bolt, the outer wall of the rear end of the tire bolt is fixedly connected to the bottom of the front end of a brake drum, the lower portion of the brake drum is rotatably connected to the upper surface of the axle housing, the bottom surface of the axle housing is fixedly connected to the outer wall of a rotating half shaft, the end portion of the left side of the brake drum is fixedly arranged on the outer wall of a fastening bolt, the ABS gear ring is fixedly connected to the outer wall of the front end of the rotating half shaft, the front end of the rotating half shaft is fixedly connected to the outer wall of the right side of an outer oil seal of the bearing, and the rear end of the rotating half shaft is fixedly connected to the left outer wall of an inner oil seal of the bearing, and the inside fixed combination bolt that is provided with in front end of rotation semi-axis, the fixed spindle nose oil blanket that is provided with on the middle part outer wall of axle housing, and the rear end fixed connection of axle housing is on the left side outer wall of bearing inner oil blanket to the left side end fixed connection of axle housing is in the right side outer wall of ABS ring gear, the left side end fixed connection of rotation semi-axis is in the right side outer wall of friction disc, and rotates the inside left end of semi-axis and has seted up first heavy groove to the second that subtracts heavy groove has been seted up on the right side of the first heavy groove in inside of rotation semi-axis, the inside central point department of putting of rotation semi-axis rotates and connects on the outer wall of bearing unit, and the left and right sides outer wall fixed connection of bearing unit is on the outer wall of shock attenuation unit to the end fixed of bearing unit left side is provided with the balance shaft.
Preferably, the vertical central axis of the contact disc and the vertical central axis of the hub body are parallel to each other, and the contact disc and the hub body are arranged in a horizontal coaxial distribution manner.
Preferably, the clamp springs are symmetrically distributed about a transverse central axis of the hub body, and the transverse central axis of the tire bolt at the front end of the hub body is symmetrically distributed with the transverse central axis of the hub body.
Preferably, the tire bolts are uniformly distributed on the outer portion of the left side of the hub body at equal intervals, the transverse central axis of the tire bolts and the vertical central axis of the contact disc are vertically distributed, and the diameter formed by the tire bolts is larger than that formed by the fastening bolts.
Preferably, the tire bolts are uniformly distributed on the outer portion of the left side of the hub body at equal intervals, the transverse central axis of the tire bolts and the vertical central axis of the contact disc are vertically distributed, and the diameter formed by the tire bolts is larger than that formed by the fastening bolts.
Preferably, the rotating half shaft, the balance shaft and the bearing unit are arranged in a horizontal coaxial distribution mode, and the damping units on two sides of the bearing unit are arranged in a symmetrical distribution mode relative to the vertical central axis of the bearing unit.
Compared with the prior art, the beneficial effects of the utility model are that: according to the maintenance-free aluminum alloy hub, the sealing ring is omitted through the integrated sealing ring, the compact design enables the load center line to be distributed close to the center of the bearing unit, the bearing capacity of the hub is stronger, and the service life of the hub is prolonged;
1. the brake drum and the axle housing are made of seven-series aluminum alloy materials, so that the overall weight of the brake drum can be greatly reduced when the brake drum and the axle housing work, the wheel hub is manufactured by adopting forged aluminum alloy, the light-weight design is facilitated, meanwhile, the brake efficiency can be effectively improved by using more light-weight materials when the brake drum works, and the abrasion to the brake drum during braking is reduced;
2. through rotating the outer oil blanket of semi-axis both sides bearing and the setting of oil blanket in the bearing, can seal the inside lubricating oil of rotation semi-axis when the function to reach the effect of circulating lubrication, through the shock attenuation unit that rotates the inside bearing unit left and right sides symmetry setting of semi-axis, can make the bearing unit reduce vibrations and reach the balanced effect of automatic adjustment through the balance shaft when rotating by the at utmost.
Drawings
FIG. 1 is a schematic view of the front cross-section structure of the present invention;
FIG. 2 is a schematic view of the front section structure of the rotary half shaft of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic side view of the present invention.
In the figure: 1. a hub body; 2. a contact pad; 3. a clamp spring; 4. a tire bolt; 5. a brake drum; 6. an axle housing; 7. rotating the half shaft; 8. fastening a bolt; 9. an ABS gear ring; 10. an outer oil seal of the bearing; 11. assembling bolts; 12. shaft head oil seal; 13. a friction plate; 14. a first weight-reducing slot; 15. a second weight-reducing slot; 16. a bearing unit; 17. a damping unit; 18. a balance shaft; 19. and oil seal in the bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a maintenance-free aluminum alloy wheel hub comprises a wheel hub body 1, an axle housing 6, an ABS gear ring 9 and a bearing unit 16, wherein the rear end of the wheel hub body 1 is fixedly connected to the inner side outer wall of a contact disc 2, the upper portion of the left side of the wheel hub body 1 is fixedly connected to the bottom surface of an outer clamp spring 3, the bottom of the front end of the wheel hub body 1 is fixedly connected to the outer wall of the front end of a tire bolt 4, the outer wall of the rear end of the tire bolt 4 is fixedly connected to the bottom of the front end of a brake drum 5, the lower portion of the brake drum 5 is rotatably connected to the upper surface of the axle housing 6, the bottom of the axle housing 6 is fixedly connected to the outer wall of a rotating half shaft 7, the end of the left side of the brake drum 5 is fixedly arranged on the outer wall of a fastening bolt 8, the ABS gear ring 9 is fixedly connected to the outer wall of the front end of the rotating half shaft 7, the front end of the rotating half shaft 7 is fixedly connected to the right side outer wall of an outer oil seal 10, and the rear end of the rotating half shaft 7 is fixedly connected to the left side outer wall of an inner oil seal 19 of the bearing, and the inside of the front end of the rotating half shaft 7 is fixedly provided with a combination bolt 11, the outer wall of the middle part of the axle housing 6 is fixedly provided with a shaft head oil seal 12, the rear end of the axle housing 6 is fixedly connected to the left outer wall of an inner bearing oil seal 19, the left end part of the axle housing 6 is fixedly connected to the right outer wall of the ABS gear ring 9, the left end part of the rotating half shaft 7 is fixedly connected to the right outer wall of a friction plate 13, the inside left end of the rotating half shaft 7 is provided with a first weight reduction groove 14, the right side of the inside first weight reduction groove 14 of the rotating half shaft 7 is provided with a second weight reduction groove 15, the inside central position of the rotating half shaft 7 is rotatably connected to the outer wall of a bearing unit 16, the outer walls of the left side and the right side of the bearing unit 16 are fixedly connected to the outer wall of a damping unit 17, and the end part of the damping unit 17 on the left side of the bearing unit 16 is fixedly provided with a balance shaft 18.
The vertical central axis of contact dish 2 and the vertical central axis of wheel hub body 1 set up parallel to each other between, and for horizontal coaxial distribution setting between contact dish 2 and the wheel hub body 1, prevent to take place the skew when contact dish 2 rotates with wheel hub body 1.
The clamp springs 3 are symmetrically distributed about the transverse central axis of the hub body 1, and the transverse central axis of the tire bolt 4 at the front end of the hub body 1 is symmetrically distributed with the transverse central axis of the hub body 1, so that the tire bolt 4 can fix the tire at the front end of the hub body 1.
Tire bolt 4 equidistance evenly distributed is outside in the left side of wheel hub body 1, and mutually perpendicular distributes between the horizontal central axis of tire bolt 4 and the vertical central axis of contact disc 2 and sets up to the diameter that tire bolt 4 constitutes is greater than the diameter that fastening bolt 8 constitutes, prevents that the tire from receiving when fixed and rocking.
Axle housing 6 sets up for "Y" font structure, and axle housing 6 and wheel hub body 1 and rotate and set up for horizontal coaxial distribution between the semi-axis 7 to axle head oil blanket 12 equidistance evenly distributed of 6 outer walls of axle housing is on the outer wall of axle housing 6, makes axle head oil blanket 12 seal 6 inside lubricating oil.
The rotating half shaft 7, the balance shaft 18 and the bearing unit 16 are arranged in a horizontal coaxial distribution mode, and the damping units 17 on the two sides of the bearing unit 16 are symmetrically arranged about the vertical central axis of the bearing unit 16, so that the damping units 17 and the balance shaft 18 can perform damping balance on the rotating half shaft 7 when the rotating half shaft 7 rotates.
The working principle is as follows: before the maintenance-free aluminum alloy hub is used, the overall condition of the device needs to be checked to ensure that the device can work normally, when the hub body 1 needs to be used, as shown in fig. 1-4, firstly, the left end of the hub body 1 is fixedly connected to the outer wall of the end of the tire bolt 4, and the rear end of the hub body 1 is fixedly connected to the contact disc 2, the brake drum 5 fixedly arranged at the rear end part of the tire bolt 4 adopts aluminum alloy materials and processes, so that the whole weight of the brake drum 5 can be greatly reduced, meanwhile, the lighter materials can effectively improve the braking efficiency when the brake drum 5 works, meanwhile, the axle housing 6 is made of seven-series aluminum alloy materials, so that the axle housing 6 can ensure high-strength operation while improving the light weight of the whole hub body 1 when rotating, and the transmission of a vehicle body to a vehicle when the vehicle jolts on a complex road surface is reduced;
as shown in fig. 2-3, the outer wall of the rotating half shaft 7 is fixedly connected to the axle housing 6, so that the rotating half shaft 7 rotates while directly driving the axle housing 6 to rotate, thereby eliminating the possibility of emulsification of the seal ring, the outer bearing oil seal 10 and the inner bearing oil seal 19 which are fixedly arranged at the front section and the rear section of the rotating half shaft 7 can prevent the leakage of lubricating oil during the operation of the rotating half shaft 7, the vibration transmitted by the tire can be reduced to the maximum extent under the action of the vibration reducing unit 17 by rotating the damping units 17 which are fixedly arranged at the two sides of the bearing unit 16 inside the rotating half shaft 7, and the balance shaft 18 which is fixedly arranged inside the bearing unit 16 can keep the balance between the bearing unit 16 and the rotating half shaft 7 during the rotation process.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.