CN220535407U - Cross-country vehicle door type driving axle rim structure - Google Patents
Cross-country vehicle door type driving axle rim structure Download PDFInfo
- Publication number
- CN220535407U CN220535407U CN202223274018.XU CN202223274018U CN220535407U CN 220535407 U CN220535407 U CN 220535407U CN 202223274018 U CN202223274018 U CN 202223274018U CN 220535407 U CN220535407 U CN 220535407U
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- Prior art keywords
- speed reducer
- shaft
- gear
- matched
- bearing
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 44
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Abstract
The utility model relates to a wheel edge structure of an off-road vehicle door type driving axle, which comprises a wheel hub, a wheel edge speed reducer fixedly connected with the wheel hub, and a brake matched with the wheel edge speed reducer and connected with the wheel hub; the hub speed reducer comprises a speed reducer shell and a speed reducer cover connected to the right side of the speed reducer shell, and a containing cavity is formed between the speed reducer shell and the speed reducer cover; the right end of the power input assembly is connected with the transmission flange in a matched manner; two intermediate shaft assemblies are arranged in parallel in the middle of the accommodating cavity and are matched with a power input assembly arranged at the upper part of the accommodating cavity; a power output assembly is arranged at the lower part of the accommodating cavity and is matched with two intermediate shaft assemblies arranged in the middle of the accommodating cavity; the automobile transmission device can ensure the output torque requirement and the bearing capacity requirement of the whole automobile on the premise of not increasing the space of the whole automobile, simultaneously maintain the good trafficability of the automobile, improve the use economy of the automobile and meet the user requirements.
Description
Technical Field
The utility model relates to a vehicle chassis, in particular to a wheel edge structure of an off-road vehicle door type driving axle.
Background
The gate-type drive axle wheel rim structure is widely applied to vehicles with harsh requirements on ground clearance, such as off-road vehicles, due to unique advantages. Under some special use environment conditions, the influence of the offset distance of the kingpin on steering aligning moment and whole vehicle control is larger, and the kingpin is limited by weight and arrangement space. In order to meet the use requirement of the whole vehicle, the axial space of the wheel edge is further reduced, the ground clearance of the whole vehicle is improved to the maximum extent, the production cost is reduced, and the wheel edge structure of the existing gate-type drive axle is required to be improved.
CN 205706001U discloses a "door type drive axle rim structure with a semi-floating half shaft and a driven cylindrical gear as one body", the rim structure takes the semi-floating half shaft and the driven cylindrical gear as one body; the driving cylindrical gear is connected with the wheel edge input flange through a spline, the driven cylindrical gear and the driving cylindrical gear are arranged in the cylindrical gear shell, and the driven cylindrical gear and the driving cylindrical gear are externally meshed to form a wheel edge speed reducer; the semi-floating half shaft, the driving cylindrical gear and the cylindrical gear shell are supported by a bearing; the cylindrical gear shell cover is fixedly arranged on the right side of the cylindrical gear shell and used as a steering knuckle; the hub is connected with the semi-floating half shaft through a spline and is axially locked and positioned through a locking nut; the wheel hub is fixedly connected with the wheel through a tire bolt. The novel all-terrain vehicle has the advantages that the height of the main speed reducer and the ground clearance of the whole vehicle are improved to the greatest extent, the trafficability of the whole vehicle is effectively improved, the production cost is reduced, the novel all-terrain vehicle has the characteristics of compact structure, small occupied space and light weight, and can be applied to various off-road vehicles and commercial vehicles such as light, medium-sized and above. The technical solution disclosed in this patent document is certainly not a beneficial attempt in the art.
Disclosure of Invention
The utility model aims to provide an off-road vehicle door type driving axle wheel rim structure which can ensure the output torque requirement and the bearing capacity requirement of a whole vehicle on the premise of not increasing the space of the whole vehicle, simultaneously maintain the good trafficability of the vehicle, improve the use economy of the vehicle and meet the requirements of users.
The utility model relates to a wheel edge structure of an off-road vehicle door type driving axle, which comprises a wheel hub, a wheel edge speed reducer fixedly connected with the inner side of the wheel hub, and a brake matched with the wheel edge speed reducer and connected with the wheel hub, and is characterized in that: the hub reduction gear comprises a reduction gear shell and a reduction gear cover connected to the right side of the reduction gear shell, and a containing cavity is formed between the reduction gear cover and the reduction gear cover; a power input assembly is transversely arranged at the upper part of the accommodating cavity, and the right end of the power input assembly extends out of the speed reducer cover and is connected with the transmission flange in a matched manner; two intermediate shaft assemblies are transversely arranged in parallel in the middle of the accommodating cavity, and the two intermediate shaft assemblies are matched with a power input assembly arranged at the upper part of the accommodating cavity; a power output assembly is transversely arranged at the lower part of the accommodating cavity and is matched with two intermediate shaft assemblies arranged in the middle of the accommodating cavity; the left end part of the power output assembly extends out of the accommodating cavity and is fixedly connected with the hub and the brake.
Further, two intermediate shaft support holes are formed in the middle of the speed reducer cover, and the two intermediate shaft support blind holes are coaxial with the two intermediate shaft support holes in the speed reducer cover respectively.
Further, the power input assembly comprises a driving gear shaft, and the right end part of the driving gear shaft is connected with the transmission flange in a matching way.
Further, the intermediate shaft assembly comprises an intermediate gear shaft, and an intermediate gear arranged on the intermediate gear shaft; the intermediate gear shaft is connected with the speed reducer cover and the support hole on the speed reducer shell in a matched manner; the intermediate gear shaft is connected with the intermediate gear in a matched manner through a needle bearing, and the intermediate gear is meshed with a driving gear shaft of the power input assembly to transmit torque.
Further, the power output assembly comprises an output shaft and a driven gear arranged on the right part of the middle part of the output shaft, and the driven gear is meshed with the intermediate gears of the two intermediate shaft assemblies to transmit torque.
Further, the left side of the flange structure on the left end part of the output shaft is matched and connected with a hub and a brake, and the brake comprises a brake disc, a brake caliper and an induction gear ring which are matched and connected with the brake disc; the caliper of the brake has an outer diameter of 20 inches (i.e., inches).
Further, a lower ball pin seat is further arranged on the speed reducer cover, and the upper end of the speed reducer cover is connected with the steering knuckle arm.
Further, the power input assembly further includes an oil seal seat disposed between the drive lugs on the retarder cover.
The utility model has the beneficial effects that:
the portal structure is adopted, so that the input center is separated from the output center, primary gear transmission is added between the input center and the output center, the ground clearance of the vehicle is increased, and the trafficability of the vehicle is improved;
the bearing capacity is improved because the speed reducer cover is in the form of a frame;
the brake caliper adopted by the brake is 20 inches, so that the braking performance of the vehicle is improved;
because the air delivery pipe is arranged in the hollow of the output shaft, the tyre can be conveniently inflated and deflated.
Through design calculation of the transmission gear, the speed reducer cover and the speed reducer shell, the weight is reduced while the use requirements of bearing and power output are met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic structural diagram of an oil seal seat.
In the figure (technical features indicated by the marks):
1-a hub;
2-a wheel-side reducer;
21-a reducer housing;
22-a speed reducer cover, 225-a lower ball pin seat, 227-an oil seal seat;
23-a power input assembly, 231-a driving gear shaft, 232-a first ball bearing, 233-a second ball bearing;
24-intermediate shaft assembly, 241-intermediate gear shaft, 243-intermediate gear;
25-a power output assembly, 251-an output shaft, 252-a driven gear, 253-a first roller bearing, 254-a second roller bearing, 255-a short cylindrical bearing, 256-a supporting ring and 257-a sealing ring;
3-brake, 31-brake disc, 32-sensing gear ring; 33-brake calipers;
4-a drive flange;
5-knuckle arm.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1 to 3, a wheel edge structure of a cross-country vehicle door type drive axle comprises a wheel hub 1, a wheel edge speed reducer 2 fixedly connected with the inner side of the wheel hub, and a brake 3 matched with the wheel edge speed reducer and connected with the wheel hub 1, and is characterized in that: the hub reduction gear 2 comprises a reduction gear shell 21 and a reduction gear cover 22 connected to the right side of the reduction gear shell 21, and a containing cavity is formed between the reduction gear cover and the reduction gear shell; a power input assembly 23 is transversely arranged at the upper part of the accommodating cavity, the right end of the power input assembly 23 extends out of the speed reducer cover 22 to be connected with the transmission flange 4 in a matched manner, and power is input from the transmission flange; two intermediate shaft assemblies 24 are transversely arranged in parallel in the middle of the accommodating cavity, and the two intermediate shaft assemblies 24 are matched with a power input assembly 23 arranged at the upper part of the accommodating cavity;
a power output assembly 25 is transversely arranged at the lower part of the accommodating cavity and is matched with two intermediate shaft assemblies 24 arranged at the middle part of the accommodating cavity; the left end part of the power output assembly 25 extends out of the accommodating cavity and is fixedly connected with the hub 1 and the brake 3. And transmitting power to the brake assembly and the hub to drive the wheels to rotate.
The power input assembly 23 includes a drive gear shaft 231, a first ball bearing 232 provided on a right end portion of the drive gear shaft, and a second ball bearing 233 provided on a left end portion of the drive gear shaft; the right end portion of the drive gear shaft 231 is cooperatively connected with the transmission flange 4. Power is transmitted to the drive gear shaft through the transfer flange.
The intermediate shaft assembly 24 comprises an intermediate gear shaft 241, an intermediate gear 243 arranged on the intermediate gear shaft, and the intermediate gear shaft and the intermediate gear are connected in a matched manner through a needle bearing; the intermediate gear shaft 241 is connected with the supporting holes on the speed reducer cover 22 and the speed reducer shell 21 in a matching way; the intermediate gear 243 meshes with the drive gear shaft 231 of the power input assembly 23 to transmit torque.
The power output assembly 25 comprises an output shaft 251, a driven gear 252 arranged on the right part of the middle part of the output shaft, a first roller bearing 253 and a second roller bearing 254 arranged on the left part of the middle part of the output shaft, and a short cylindrical bearing 255 arranged on the right end part of the output shaft; the output shaft 251 is of a hollow structure, the left end part is provided with a flange structure, and the right side close to the flange structure is provided with a supporting ring 256 and a sealing ring 257; the first roller bearing 253 and the second roller bearing 254 are in fit connection with bearing holes on the speed reducer housing 21, the short cylindrical bearing 255 is in fit connection with bearing holes on the speed reducer cover 22, and the driven gear 252 is meshed with intermediate gears 243 of the two intermediate shaft assemblies 24 to transmit torque.
The left side of the flange structure on the left end part of the output shaft 251 is matched and connected with the hub 1 and the brake 3, and the brake 3 comprises a brake disc 31, a brake caliper 33 matched and connected with the brake disc 31 and a sensing gear ring 32; the brake caliper of the brake assembly is 20 inches (i.e., inches). The braking performance of the vehicle is improved.
The speed reducer cover 22 is also provided with a lower ball pin seat 225, and the upper end of the speed reducer cover 22 is connected with the knuckle arm 5.
The power input assembly 23 further includes an oil seal block 227 provided on the reducer cap 22 and between the drive flange 4.
Claims (7)
1. The utility model provides a cross country vehicle door formula transaxle rim structure, includes wheel hub (1), with wheel hub inboard fixed connection's rim reduction gear (2), with wheel rim reduction gear cooperation and with wheel hub (1) connected stopper (3), characterized by: the hub reduction gear (2) comprises a reduction gear shell (21) and a reduction gear cover (22) connected to the right side of the reduction gear shell (21), and a containing cavity is formed between the reduction gear cover and the reduction gear cover;
a power input assembly (23) is transversely arranged at the upper part of the accommodating cavity, and the right end of the power input assembly (23) extends out of the speed reducer cover (22) to be connected with the transmission flange (4) in a matching way;
two intermediate shaft assemblies (24) are transversely arranged in parallel in the middle of the accommodating cavity, and the two intermediate shaft assemblies (24) are matched with a power input assembly (23) arranged at the upper part of the accommodating cavity;
a power output assembly (25) is transversely arranged at the lower part of the accommodating cavity and is matched with two intermediate shaft assemblies (24) arranged at the middle part of the accommodating cavity; the left end part of the power output assembly (25) extends out of the accommodating cavity and is fixedly connected with the hub (1) and the brake (3).
2. The off-road vehicle door type drive axle rim structure according to claim 1, wherein: the power input assembly (23) comprises a driving gear shaft (231), a first ball bearing (232) arranged on the right end part of the driving gear shaft, and a second ball bearing (233) arranged on the left end part of the driving gear shaft; the first ball bearing (232) is connected with a bearing hole on the speed reducer cover (22) in a matching way, and the second ball bearing (233) is connected with a bearing blind hole on the speed reducer shell (21) in a matching way; the right end part of the driving gear shaft (231) is matched and connected with the transmission flange (4).
3. The off-road vehicle door type transaxle rim structure of claim 1 or 2, characterized in that: the intermediate shaft assembly (24) comprises an intermediate gear shaft (241), an intermediate gear (243) arranged on the intermediate gear shaft, and the intermediate gear shaft (241) is connected with the speed reducer cover (22) and a supporting hole on the speed reducer shell (21) in a matching way; the intermediate gear shaft (241) is connected with the intermediate gear (243) in a matched manner through a needle bearing, and the intermediate gear (243) is meshed with the driving gear shaft (231) of the power input assembly (23) to transmit torque.
4. The off-road vehicle door type transaxle rim structure of claim 1 or 2, characterized in that: the power output assembly (25) comprises an output shaft (251), a driven gear (252) arranged on the right part of the middle part of the output shaft, a first roller bearing (253) and a second roller bearing (254) arranged on the left part of the middle part of the output shaft, and a short cylindrical bearing (255) arranged on the right end part of the output shaft; the output shaft (251) is of a hollow structure, a flange structure is arranged at the left end part, and a supporting ring (256) and a sealing ring (257) are arranged on the right side close to the flange structure; the first roller bearing (253) and the second roller bearing (254) are connected with bearing holes on the speed reducer shell (21) in a matched mode, the short cylindrical bearing (255) is connected with bearing holes on the speed reducer cover (22) in a matched mode, and the driven gear (252) is meshed with intermediate gears (243) of the two intermediate shaft assemblies (24) to transmit torque.
5. The off-road vehicle door type drive axle rim structure of claim 4, wherein: the left side of the flange structure on the left end part of the output shaft (251) is matched and connected with the hub (1) and the brake (3), and the brake (3) comprises a brake disc (31), a brake caliper (33) and an induction gear ring (32) which are matched and connected with the brake disc; the caliper of the brake is 20 inches.
6. The off-road vehicle door type drive axle rim structure according to claim 1, wherein: the speed reducer cover (22) is also provided with a lower ball pin seat (225), and the upper end of the speed reducer cover (22) is connected with the knuckle arm (5).
7. The off-road vehicle door type drive axle rim structure according to claim 1, wherein: the power input assembly (23) comprises an oil seal seat (227) arranged on the transmission flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274018.XU CN220535407U (en) | 2022-12-07 | 2022-12-07 | Cross-country vehicle door type driving axle rim structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274018.XU CN220535407U (en) | 2022-12-07 | 2022-12-07 | Cross-country vehicle door type driving axle rim structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220535407U true CN220535407U (en) | 2024-02-27 |
Family
ID=89972932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223274018.XU Active CN220535407U (en) | 2022-12-07 | 2022-12-07 | Cross-country vehicle door type driving axle rim structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220535407U (en) |
-
2022
- 2022-12-07 CN CN202223274018.XU patent/CN220535407U/en active Active
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