CN216733757U - Rear axle driving mechanism driven by chain differential mechanism - Google Patents
Rear axle driving mechanism driven by chain differential mechanism Download PDFInfo
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- CN216733757U CN216733757U CN202122743955.4U CN202122743955U CN216733757U CN 216733757 U CN216733757 U CN 216733757U CN 202122743955 U CN202122743955 U CN 202122743955U CN 216733757 U CN216733757 U CN 216733757U
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- shock absorber
- differential
- mounting seat
- motor
- rear axle
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Abstract
The utility model relates to a rear axle driving mechanism driven by a chain differential, which comprises: a differential mounting seat; the differential is arranged on the differential mounting seat; the motor mounting plate is fixed at one end of the differential mounting seat; the motor is fixed on the motor mounting plate; the two shock absorber mounting seats are respectively mounted on two sides of the motor mounting plate; the limiting rod is inserted between the two shock absorber mounting seats; the two mutually independent suspension frames are respectively and movably connected to one side of the shock absorber mounting seat; one end of the shock absorber is connected with the shock absorber mounting seat, and the other end of the shock absorber is connected with the suspension; the suspension is provided with holes with preset quantity and intervals, and one end of the shock absorber can be correspondingly connected to different hole positions to realize the adjustment of the elastic force range. The motor and the differential are driven by chains and gears, so that the requirement on the mounting precision between the motor and the differential is greatly reduced, and the mounting difficulty and the processing cost are also reduced.
Description
Technical Field
The utility model relates to the field of mechanical transmission, in particular to a rear axle driving mechanism driven by a chain type differential mechanism.
Background
The drive axle is composed of a final drive, a differential, half shafts, drive axle housings, etc., which are concentrated at the rear of the vehicle chassis, and is also referred to as a rear axle. Its main function is to transmit torque, increase torque, change the transmission direction of torque and reduce rotational speed etc. and the driving axle shell still bears the power that promotes the vehicle and gos forward.
The existing rear axle driving mechanism usually has no suspension, so that the vibration amplitude of a vehicle body is overlarge, and parts on the vehicle are easily damaged due to vibration; in addition, the differential and the wheels are relatively fixed in position and cannot move relative to each other, so that an independent suspension with excellent performance cannot be adopted. If the height between four wheels is fixed, it is unsettled to lead to a wheel easily for four-wheel vehicle, leads to skidding, and the pendulum-type suspension can also take place the circumstances that the wheel liftoff when running into complicated ground.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: a rear axle drive mechanism driven by a chain differential is provided to solve the problems in the prior art.
The technical scheme is as follows: a rear axle drive for a chain differential drive is provided, comprising:
a differential mount;
the differential is arranged on the differential mounting seat;
the motor mounting plate is fixed at one end of the differential mounting seat;
the motor is fixed on the motor mounting plate;
the two shock absorber mounting seats are respectively mounted on two sides of the motor mounting plate;
the limiting rod is inserted between the two shock absorber mounting seats;
the two mutually independent suspension frames are respectively movably connected to one side of the shock absorber mounting seat;
one end of the shock absorber is connected with the shock absorber mounting seat, and the other end of the shock absorber is connected with the suspension;
the suspension is provided with holes with preset quantity and intervals, and one end of the shock absorber can be correspondingly connected to different hole positions to realize the adjustment of the elastic force range.
In a further embodiment, the shock absorber mount is "H" shaped in cross-section; the lower part of the universal joint coupling is provided with a mouth-shaped opening used for penetrating through the universal joint coupling, the upper part of the universal joint coupling is provided with a movable space with a preset width and an opening at one end, and the limiting rod penetrates through the movable space; and the upper end of the shock absorber mounting seat is provided with an outwards protruding mounting part.
In a further embodiment, one end of the damper is connected to the mounting portion. Adopt the bumper shock absorber shock attenuation to compare in using the leaf spring shock attenuation or not using the bumper shock absorber, improved the shock attenuation effect greatly.
In a further embodiment, the limit rod is hinged in the movement space of the shock absorber mounting seat.
In a further embodiment, a first sprocket is sleeved on the differential; the output shaft of the motor is connected with a second chain wheel; and a chain is sleeved between the first gear and the second gear. The motor and the differential are driven by chains and gears, so that the requirement on the mounting precision between the motor and the differential is greatly reduced, and the mounting difficulty and the processing cost are also reduced.
In a further embodiment, the universal joint coupling is coaxially connected with both ends of the differential. The differential mechanism is connected with the wheels through a universal joint coupler, so that the wheels can move up and down relative to the coupler, and the independent suspension can be installed.
In a further embodiment, each shock absorber mounting seat is further hinged with a parallel rod, and the other end of the parallel rod is connected with a wheel mounting seat; and the wheel mounting seat is provided with a left vacuum tire and a right vacuum tire.
In a further embodiment, a bearing is mounted within the wheel mount; one end of the universal joint coupler is matched with the bearing and is transmitted to the left vacuum tire and the right vacuum tire.
Has the advantages that:
1. adopt the shock absorber shock attenuation to compare in using the leaf spring shock attenuation or not using the shock absorber, improved the shock attenuation effect greatly.
2. The use of a vacuum tyre also allows the wheel to have a shock absorbing effect.
3. The differential and the wheels are connected by adopting a universal joint coupler, so that the wheels can move up and down relative to the coupler, and the installation of the independent suspension becomes possible.
4. The motor and the differential are driven by chains and gears, so that the requirement on the mounting precision between the motor and the differential is greatly reduced, and the mounting difficulty and the processing cost are also reduced.
Drawings
Fig. 1 is a schematic structural view of the present rear axle drive mechanism.
The various reference numbers in the figures are: left side vacuum tire 1, suspension 2, differential mechanism mount pad 3, motor mounting panel 4, chain 5, motor mount pad 6, motor 7, right side vacuum tire 8, wheel mount pad 9, parallel bar 10, gag lever post 11, bumper shock absorber mount pad 12, bumper shock absorber 13, differential mechanism 14, universal joint coupling 15.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
The applicant believes that existing rear axle drive mechanisms generally suffer from the following disadvantages:
adopt the leaf spring shock attenuation more or do not adopt shock-absorbing equipment, can lead to the shock attenuation performance of car too poor because the shock attenuation effect of leaf spring is very limited, only has better load effect when the heavy load moreover, and the shock attenuation effect does not hardly have when the light load. If the damping equipment is not adopted, the anti-vibration effect of the vehicle is very poor, and the vehicle is difficult to stably pass through in potholes.
The installation quantity of the shock absorbers 13 is fixed, but a plurality of shock absorbers can not be installed, so that the shock absorption effect generated by the shock absorbers 13 is very limited, and the shock absorption effect cannot be adjusted at will according to the actual load, and the shock absorption moment can be adjusted by increasing or decreasing the quantity of the shock absorbers 13, so that the shock absorbers 13 are always in the best working state.
The tire uses solid child rather than the vacuum child, can lead to the wheel not to possess the damping performance, meets hollow topography and will shake easily and transmit to the automobile body, because the inside rubber that is of solid child, the shock attenuation effect is very poor, and the inside air that is of vacuum child, and the shock attenuation is effectual.
The shock absorber 13 only has a fixed mounting position, rather than reserving a plurality of mounting positions, can lead to the shock attenuation effect that shock absorber 13 produced very limited, and can not adjust at will according to actual load, because the different mounting hole sites have decided the different elastic force of shock absorber 13, can adjust the elastic force through adjusting the mounting means through reserving a plurality of mounting hole sites to make shock absorber 13 be in an optimum shock attenuation state all the time.
The differential 14 and the wheels adopt half shaft transmission, and a universal joint coupler 15 is not additionally arranged, so that the differential 14 and the wheels are relatively fixed in position and cannot move relatively, and the independent suspension 2 with excellent performance cannot be adopted. Because the axle shafts are rigid, mounting the axle shafts keeps the differential 14 and the two wheels in line at all times, there is no way to move relative to each other, and thus the independent suspension 2 cannot be mounted.
The differential 14 and the motor 7 are in gear transmission without chain 5 transmission, so that the transmission between the differential 14 and the motor 7 needs high precision, and the processing difficulty of corresponding parts is greatly improved. Because if the gear transmission is not enough in precision, the gear jumping and the gear breakage can be caused, the abrasion loss of the gear can be increased, the gear is failed, the installation precision requirement of the chain 5 is low, and even if the installation error ratio is large, the chain 5 can also be automatically adjusted in position during operation, so that the influence caused by the installation error is reduced to the minimum.
The four-wheel vehicle is easy to suspend one wheel in the air and slip due to the fact that the four wheels are not highly fixed without the suspension 2 or the swing type suspension 2 or the independent suspension 2, and the situation that the wheels are off the ground can also occur when the swing type suspension 2 meets a complex ground. Since three points determine a plane and four wheels without a suitable suspension 2 tend to cause one wheel to lift off the ground, the independent suspension 2 best solves this problem.
Most adopt the steel material preparation, but not adopt the aluminum alloy, can lead to weight overweight, lead to needing to strengthen the chassis structure, also need more powerful motor 7 and battery because the density of steel is great compared in the aluminum alloy, higher weight needs more powerful motor 7 to drive, more powerful motor 7 also needs more powerful battery powered.
The selection of a small module gear within the differential 14, rather than a large module gear, may result in the differential 14 being susceptible to damage and failure of the gears, which may result in a hazard during travel of the differential 14. Because small modulus gears can only withstand small forces, bearing large forces can cause gear damage.
To this end, the present embodiment provides a rear axle drive mechanism driven by a chain differential 14, which employs shock absorber damping to greatly improve the shock absorbing effect compared to using plate spring damping or not using the shock absorber 13.
In addition, the use of the vacuum tire allows the wheel to have a shock absorbing effect. The differential 14 and the wheels are connected by a universal joint coupling 15, so that the wheels can move up and down relative to the coupling, and the independent suspension 2 can be installed. Moreover, the chain 5 and the gear are adopted between the motor 7 and the differential 14 for transmission, so that the requirement on the installation precision between the motor 7 and the differential is greatly reduced, and the installation difficulty and the processing cost are also reduced.
The rear axle driving mechanism comprises a differential 14 mounting seat 3, a differential 14, a motor 7 mounting plate 4, a motor 7, a shock absorber 13 mounting seat 12, a limiting rod 11, an independent suspension 2 and a shock absorber 13. The differential 14 is arranged on the differential 14 mounting seat 3. The motor 7 mounting plate 4 is fixed at one end of the differential 14 mounting seat 3; the motor 7 is fixed on the motor 7 mounting plate 4. The number of the mounting seats 12 of the shock absorbers 13 is two, and the two mounting seats are respectively arranged on two sides of the mounting plate 4 of the motor 7. The limiting rod 11 is inserted between the two shock absorber 13 mounting seats 12; the two independent suspensions 2 are respectively movably connected to one side of the shock absorber 13 mounting seat 12. One end of the shock absorber 13 is connected with the mounting seat 12 of the shock absorber 13, and the other end is connected with the suspension 2. Holes with preset quantity and intervals are arrayed on the suspension 2, and one end of the shock absorber 13 can be correspondingly connected to different hole positions to realize the adjustment of the elastic force range.
The left vacuum tire 1 is connected with a wheel mounting seat 9, wherein the wheel mounting seat 9 comprises a bearing, so that the left vacuum tire 1 can freely roll. The independent suspension 2 is connected to a wheel mount 9, and the independent suspension 2 can provide shock absorption to a right vacuum tire 8 connected to the wheel mount 9. The motor 7 is connected with the motor 7 mounting plate 4 through the motor 7 mounting seat 6, and the differential 14 is connected with the motor 7 mounting plate 4 through the differential 14 mounting seat 3. The motor 7 drives the differential 14 to rotate through the chain 5, and the differential 14 drives the right vacuum tire 8 to rotate through the universal joint. The stopper rod 11 controls the position of the wheel mount 9 by restricting the rotation range of the parallel rod 10, thereby restricting the movement range of the right vacuum tire 8. The shock absorber achieves shock absorption by applying an elastic force between the mount 12 of the shock absorber 13 and the independent suspension 2. The independent suspension 2 is provided with a row of holes, and the elasticity of the shock absorber is adjusted by installing the shock absorber at different hole positions. The independent suspension 2 and the shock absorber can be provided with the shock absorber on both sides of the shock absorber mounting seat.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A chain differential driven rear axle drive comprising:
a differential mounting seat;
the differential is arranged on the differential mounting seat;
the motor mounting plate is fixed at one end of the differential mounting seat;
the motor is fixed on the motor mounting plate;
the two shock absorber mounting seats are respectively mounted on two sides of the motor mounting plate;
the limiting rod is inserted between the two shock absorber mounting seats;
it is characterized by also comprising:
the two mutually independent suspension frames are respectively and movably connected to one side of the shock absorber mounting seat;
one end of the shock absorber is connected with the shock absorber mounting seat, and the other end of the shock absorber is connected with the suspension;
the suspension is provided with holes with preset quantity and intervals, and one end of the shock absorber can be correspondingly connected to different hole positions to realize the adjustment of the elastic force range.
2. The rear axle drive mechanism according to claim 1, wherein the shock absorber mount has an "H" shape in cross section; the lower part of the universal joint coupling is provided with a mouth-shaped opening used for penetrating through the universal joint coupling, the upper part of the universal joint coupling is provided with a movable space with a preset width and an opening at one end, and the limiting rod penetrates through the movable space; the upper end of the shock absorber mounting seat is provided with an installation part protruding outwards.
3. The rear axle drive mechanism according to claim 2, wherein one end of the shock absorber is connected to the mounting portion.
4. The rear axle drive mechanism according to claim 2, wherein the limit lever is hinged within the play space of the shock absorber mount.
5. The rear axle drive mechanism according to claim 1, wherein a first sprocket is sleeved on the differential; the output shaft of the motor is connected with a second chain wheel; and a chain is sleeved between the first chain wheel and the second chain wheel.
6. The rear axle drive according to claim 2, wherein the universal joint coupling is coaxially connected to both ends of the differential.
7. The rear axle driving mechanism according to claim 2, wherein each shock absorber mounting seat is further hinged with a parallel rod, and the other end of the parallel rod is connected with a wheel mounting seat; and the wheel mounting seat is provided with a left vacuum tire and a right vacuum tire.
8. The rear axle drive mechanism according to claim 7, wherein a bearing is mounted in the wheel mount; one end of the universal joint coupler is matched with the bearing and is transmitted to the left vacuum tire and the right vacuum tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743955.4U CN216733757U (en) | 2021-11-10 | 2021-11-10 | Rear axle driving mechanism driven by chain differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743955.4U CN216733757U (en) | 2021-11-10 | 2021-11-10 | Rear axle driving mechanism driven by chain differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216733757U true CN216733757U (en) | 2022-06-14 |
Family
ID=81925921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122743955.4U Active CN216733757U (en) | 2021-11-10 | 2021-11-10 | Rear axle driving mechanism driven by chain differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216733757U (en) |
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2021
- 2021-11-10 CN CN202122743955.4U patent/CN216733757U/en active Active
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