CN212828845U - High-bearing gear-shifting rear axle assembly for electric tricycle - Google Patents
High-bearing gear-shifting rear axle assembly for electric tricycle Download PDFInfo
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- CN212828845U CN212828845U CN202021311023.1U CN202021311023U CN212828845U CN 212828845 U CN212828845 U CN 212828845U CN 202021311023 U CN202021311023 U CN 202021311023U CN 212828845 U CN212828845 U CN 212828845U
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- axle housing
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Abstract
The utility model relates to a high gear shifting rear axle assembly that bears for electric tricycle belongs to electric tricycle rear axle technical field. Including braking zip, axle housing, full suspension semi-axis, high-power differential package, oil brake disc, brake drum, swivel bearing seat and bearing, oil brake disc connection is at the axle housing both ends, and the braking zip is connected on the oil brake disc of the axle housing left and right sides, high-power differential package install on the ring flange of axle housing, full suspension semi-axis install in the axle housing, high-power differential package is connected to the one end of full suspension semi-axis, swivel bearing seat is connected to the other end of full suspension semi-axis, the brake drum is connected on swivel bearing seat, and the bearing is installed in swivel bearing seat. The utility model has the advantages that: through the influence of this characteristic of analysis heavy load to the rear axle, carry out all-round promotion to conventional rear axle from aspects such as structure, material, technology, can satisfy stability, the security requirement to the rear axle when the vehicle is heavily loaded, make the user more relieved.
Description
Technical Field
The utility model relates to a high gear shifting rear axle assembly that bears for electric tricycle belongs to electric tricycle rear axle technical field.
Background
At present, with the increasing development of electric tricycles, the goods pulling amount is increased gradually when a user uses the electric tricycle, sometimes even the goods pulling amount can reach 1-2 tons, under the condition, the requirement on the bearing capacity of a rear axle is higher and higher, a conventional rear axle braking device mainly uses mechanical braking with smaller specification, when a vehicle is heavily loaded, the braking effect is difficult to guarantee, and meanwhile, the risk of damaging a brake drum exists; the differential package gear has poor strength, and the gear is easily damaged when the torque is large; the half shaft bears larger radial pressure, and the service life is short; the thickness of the section bar used for the bridge pipe is too thin to support heavy load requirements.
Disclosure of Invention
In order to overcome the weak point of above-mentioned prior art, the utility model provides a high rear axle assembly that bears gear shifting for electric tricycle satisfies the life demand of vehicle heavy load.
The utility model discloses a realize through following technical scheme: the utility model provides an electric tricycle is with high rear axle assembly that shifts that bears which characterized in that: including braking zip, axle housing, full suspension semi-axis, high-power differential package, oil brake disc, brake drum, swivel bearing seat and bearing, oil brake disc connection is at the axle housing both ends, and the braking zip is connected on the oil brake disc of the axle housing left and right sides, high-power differential package install on the ring flange of axle housing, full suspension semi-axis install in the axle housing, high-power differential package is connected to the one end of full suspension semi-axis, swivel bearing seat is connected to the other end of full suspension semi-axis, the brake drum is connected on swivel bearing seat, and the bearing is installed in swivel bearing seat.
The axle housing comprises a half body assembly, a bridge pipe, a plate spring fixing seat, a shaft head seat and a reinforcing plate, wherein the middle part of the axle housing is the half body assembly, two ends of the half body assembly are connected with one end of the bridge pipe, the bridge pipe and the half body assembly are fixed through the reinforcing plate, and the other end of the bridge pipe is connected with the plate spring fixing seat and the shaft head seat.
The coaxiality of the axle head seats at the two ends of the axle housing is less than or equal to 0.2mm, and the axle pipe is a round steel pipe with a thick wall body.
The internal transmission gear of the high-power differential package is made of 20CrMnTi, the modulus of a large gear of the differential is more than or equal to 2.5mm, and the transmission ratio can be switched on the secondary or tertiary transmission shaft through a shifting fork rod, so that the conversion between the vehicle speed and the power is realized.
The full-suspension half shaft is integrally forged and formed, is connected with the high-power differential package through a rectangular spline, is connected with the rotary bearing seat through a flange face at the other end, and is not directly connected with the bridge pipe and the brake drum.
The utility model has the advantages that: through the influence of this characteristic of analysis heavy load to the rear axle, carry out all-round promotion to conventional rear axle from aspects such as structure, material, technology, can satisfy stability, the security requirement to the rear axle when the vehicle is heavily loaded, make the user more relieved.
Drawings
The invention will be further explained below with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is the axle housing structure schematic diagram of the utility model.
In the figure: 1. braking the zipper; 2. an axle housing; 3. a full-suspension half shaft; 4. a high-power differential package; 5. an oil brake disc; 6. a brake drum; 7. rotating the bearing block; 8. a bearing; 20. A half body assembly; 21. a bridge pipe; 22. a plate spring seat; 23. a spindle head seat; 24. and a reinforcing plate.
Detailed Description
Fig. 1 to 3 show a high-load shift rear axle assembly for an electric tricycle, which is characterized in that: including braking zip 1, axle housing 2, full suspension semi-axis 3, high-power differential package 4, oil brake disc 5, full suspension semi-axis 3, rotating bearing seat 7 and bearing 8, oil brake disc 5 is connected at 2 both ends of axle housing, braking zip 1 is connected on the oil brake disc 5 of the 2 left and right sides of axle housing, high-power differential package 4 install on the ring flange of axle housing 2, full suspension semi-axis 3 install in axle housing 2, high-power differential package 4 is connected to the one end of full suspension semi-axis 3, rotating bearing seat 7 is connected to the other end of full suspension semi-axis 3, brake drum 6 is connected on rotating bearing seat 7, and bearing 8 installs in rotating bearing seat 7.
The axle housing 2 comprises a half body assembly 20, a bridge pipe 21, a plate spring fixing seat 22, a shaft head seat 23 and a reinforcing plate 24, the half body assembly 20 is arranged in the middle of the axle housing 2, one end of the bridge pipe 21 is connected to two ends of the half body assembly 20, the bridge pipe 21 and the half body assembly 20 are fixed through the reinforcing plate 24, and the plate spring fixing seat 22 and the shaft head seat 23 are connected to the other end of the bridge pipe 21.
The coaxiality of the shaft head seats 23 at the two ends of the axle housing 2 is less than or equal to 0.2mm, and the axle tube 21 is a round steel tube with a thick wall body.
The material of the transmission gear in the high-power differential package 4 is 20CrMnTi, the modulus of the large gear of the differential is more than or equal to 2.5mm, and the transmission ratio can be switched on the second-level or third-level transmission shaft through a shifting fork rod, so that the conversion between the vehicle speed and the power is realized.
The full-suspension half shaft 3 is integrally forged and formed, is connected with the high-power differential package 4 through a rectangular spline, the other end of the full-suspension half shaft is connected with the rotary bearing seat 7 through a flange face, and the full-suspension half shaft 3 is not directly connected with the axle housing 2 and the brake drum 6. When the vehicle is heavily loaded, the motor can output several times of torque relatively daily. No matter how much the load is, the full-suspension half shaft 3 does not bear radial pressure, and quenched and tempered alloy steel is adopted, and the mark is as follows: 40Cr, which has excellent comprehensive mechanical properties after hardening and tempering, and optimizes the structure and the material, so that the service life of the full-suspension half shaft 3 is longer; kinetic energy generated by the motor is transmitted to the tire through the final differential assembly and the full-suspension half shaft 3 and the brake drum 6, so that the vehicle can normally run.
Claims (4)
1. The utility model provides an electric tricycle is with high rear axle assembly that shifts that bears which characterized in that: including braking zip (1), axle housing (2), full suspension semi-axis (3), high-power differential package (4), oil brake disc (5), brake drum (6), swivel bearing seat (7) and bearing (8), oil brake disc (5) are connected at axle housing (2) both ends, braking zip (1) is connected on oil brake disc (5) of the axle housing (2) left and right sides, high-power differential package (4) install on the ring flange of axle housing (2), full suspension semi-axis (3) install in axle housing (2), high-power differential package (4) are connected to the one end of full suspension semi-axis (3), swivel bearing seat (7) is connected to the other end of full suspension semi-axis (3), brake drum (6) are connected on swivel bearing seat (7), and bearing (8) are installed in swivel bearing seat (7).
2. The high load-bearing gear-shifting rear axle assembly for the electric tricycle of claim 1, wherein: axle housing (2) include halfbody subassembly (20), axle pipe (21), leaf spring fixing base (22), spindle nose seat (23) and gusset plate (24), the middle part of axle housing (2) is halfbody subassembly (20), the one end of axle pipe (21) is connected at the both ends of halfbody subassembly (20), axle pipe (21) still are fixed through gusset plate (24) with halfbody subassembly (20), leaf spring fixing base (22) and spindle nose seat (23) are connected to the other end of axle pipe (21).
3. The high load-bearing gear-shifting rear axle assembly for the electric tricycle of claim 2, wherein: the coaxiality of the axle head seats (23) at the two ends of the axle housing (2) is less than or equal to 0.2mm, and the axle pipe (21) is a round steel pipe with a thick wall body.
4. The high load-bearing gear-shifting rear axle assembly for the electric tricycle of claim 1, wherein: the internal transmission gear of the high-power differential package (4) is made of 20CrMnTi, the modulus of a large gear of the differential is more than or equal to 2.5mm, and the transmission ratio can be switched on a secondary or tertiary transmission shaft through a shifting fork rod, so that the conversion between the vehicle speed and the power is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021311023.1U CN212828845U (en) | 2020-07-07 | 2020-07-07 | High-bearing gear-shifting rear axle assembly for electric tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021311023.1U CN212828845U (en) | 2020-07-07 | 2020-07-07 | High-bearing gear-shifting rear axle assembly for electric tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212828845U true CN212828845U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021311023.1U Active CN212828845U (en) | 2020-07-07 | 2020-07-07 | High-bearing gear-shifting rear axle assembly for electric tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212828845U (en) |
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2020
- 2020-07-07 CN CN202021311023.1U patent/CN212828845U/en active Active
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