CN215153676U - Rear axle assembly of heavy-load motor tricycle - Google Patents
Rear axle assembly of heavy-load motor tricycle Download PDFInfo
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- CN215153676U CN215153676U CN202120671185.4U CN202120671185U CN215153676U CN 215153676 U CN215153676 U CN 215153676U CN 202120671185 U CN202120671185 U CN 202120671185U CN 215153676 U CN215153676 U CN 215153676U
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Abstract
The utility model relates to a heavy load motor tricycle rear axle assembly, its characterized in that: the main reducer assembly is fixedly arranged in the middle of the inside of the axle housing; two semi-axles are installed in the axle housing relatively, and its one end is connected with the main assembly transmission that subtracts respectively, and outside the other end level extended to the both ends of axle housing respectively, two wheel hub closes the piece and establish the other end at two semi-axles respectively fixed cover for connect the wheel. The utility model has the advantages of simple structure, reasonable design, light-weight stamping design of the whole axle housing, high utilization rate of axle housing plates, high production efficiency, effectively reduced welding defects and oil leakage risk of the axle housing assembly, and doubled bending strength resistance; in addition, the driving gear and the driven gear of the main reducer adopt hypoid gears, and a meshing spline of the half shaft is an involute spline, so that the torque bearing and transmission capacity of the whole bridge is greatly improved, high-efficiency transmission is realized, and the application range is wide.
Description
Technical Field
The utility model relates to a tricycle technical field, concretely relates to heavy load motor tricycle rear axle assembly.
Background
At present, with the continuous improvement of the degree of agricultural machinery, motor tricycles are widely used as production labor transportation tools for urban and rural residents, and the requirements of users are continuously lengthened. The rear axle assembly is used as an important part of the whole motor tricycle for bearing and transmitting torque, and the strength, the rigidity and the reliability of the rear axle assembly directly influence the transportation smoothness, the operation stability and the safety of the whole motor tricycle. The existing motorcycle rear axle mostly adopts a split-type inserting pipe welding axle housing, a spiral bevel gear main reducer and a rectangular spline half shaft, the rigidity and the strength are not as good as those of the integral welding axle housing, the processing technology is complicated, the torque capacity is not as good as that of a hyperboloid bevel gear and an involute spline half shaft, the performance and the reliability are lower, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a heavy load motor tricycle rear axle assembly is provided, aim at solving above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a rear axle assembly of a heavy-duty motor tricycle comprises an axle housing, a main reducer assembly, two half axles and two hub assemblies, wherein the main reducer assembly is fixedly arranged in the middle of the inside of the axle housing; two the semi-axis is installed relatively in the axle housing, its one end respectively with the main assembly transmission that subtracts is connected, and the other end level respectively extends to outside the both ends of axle housing, two wheel hub closes the piece and fixes the cover respectively and establish two the other end of semi-axis for connect the wheel.
The utility model has the advantages that: when the device is used, the main reducer assembly operates in a mode which can be thought by a person skilled in the art, and drives the two half shafts to rotate, and the two half shafts drive the wheels to operate by utilizing the hub assembly at the other ends of the two half shafts, so that the vehicle runs. The utility model discloses simple structure, reasonable in design, a whole punching press lightweight design of axle housing effectively reduces welding defect and oil leak risk, and axle housing panel utilization ratio is high, and production efficiency is high, and axle housing closes the piece and effectively reduces welding defect and oil leak risk, and bending strength improves at double.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the axle housing cross-section is the rectangle structure.
The beneficial effects of adopting above-mentioned further scheme are that axle housing support rigidity is good, and intensity and rigidity improve by a wide margin, and manufacturing process is simple, and the bearing capacity increases, reduces the welding defect that multichannel welding brought.
Further, the axle housing is formed by welding two half shells.
The beneficial effects of adopting above-mentioned further scheme are simple structure, the quality is light, and material utilization is high, and reasonable in design realizes welding automation easily, and production efficiency is high, labour saving and time saving.
Furthermore, the main reducer assembly comprises a main reducer shell, a driving gear and a differential mechanism assembly, wherein two ends of the main reducer shell are both open, the main reducer shell is fixedly installed on the axle housing, and one end of the main reducer shell is communicated with a main reducer installation hole in the axle housing; the differential assembly is rotatably arranged in a main reducer mounting hole in the main reducer shell and is in transmission connection with one end of each of the two half shafts; the driving gear is arranged in the main reducer shell, can rotate around the direction vertical to the axial direction of the half shaft and is meshed with the differential mechanism assembly; and rotating the driving gear to drive the differential assembly and the half shaft to rotate.
The beneficial effect of adopting above-mentioned further scheme is that when using, make the driving gear operation through the mode that the technical staff in the field can think, utilize the driving gear to drive differential mechanism operation, differential mechanism drives two semi-axles and rotates, and two semi-axles utilize the wheel hub of its other end to close the piece and drive the wheel operation, realize going of vehicle, and the support rigidity is good, and transmission efficiency is high, protects and lubricates driving gear and differential mechanism through main reducing the shell.
Furthermore, the differential mechanism assembly comprises a differential mechanism shell, the differential mechanism shell is arranged along the axial direction of the half shaft in a rotating mode, is in transmission connection with the driving gear, and is internally provided with a transmission component in transmission connection with the half shaft.
The beneficial effect who adopts above-mentioned further scheme is that when using, make the driving gear operation through the mode that technical staff in the field can think, utilize the driving gear to drive the differential case and rotate, the differential case passes through drive assembly and drives two semi-axles and rotate to drive the wheel operation, work is steady, and small in noise, dismouting maintenance and adjustment are convenient, and application scope is wider.
Furthermore, a driven gear meshed with the driving gear is fixedly mounted on the differential case.
The driving gear and the driven gear adopt hypoid gears, and the half shaft meshing spline is an involute spline, so that the torque bearing and transmission capacity of the whole bridge is greatly improved, the ground clearance of the whole vehicle is reduced, the vehicle obtains the best power and stability, and the application range is wider.
Furthermore, the transmission assembly comprises two half axle gears, and the two half axle gears are respectively coaxially and fixedly sleeved at intervals at the positions of the half axles in the differential case and are respectively in transmission connection with the differential case.
The beneficial effect of adopting above-mentioned further scheme is that when using, drive two semi-axis gears through the differential mechanism shell and rotate to drive two semi-axes and rotate, equipment simple process, compact structure, the semi-axis supports rigidity good, and the transmission is steady.
The transmission assembly further comprises two planetary gears, planetary gear shafts are rotatably mounted in the differential case along a direction vertical to the axial direction of the half shaft, and the planetary gear shafts are rotatably mounted in mounting holes of the differential case; the two planetary gears are respectively coaxially and fixedly sleeved at two ends of the planetary gear shaft and are respectively meshed with the two half shaft gears.
The differential mechanism has the advantages that when the differential mechanism is used, the differential mechanism shell drives the planetary gear shafts and the two planetary gears to rotate, and the meshing force between the two planetary gears and the two half axle gears is utilized to drive the two half axle gears and the two half axles to rotate, so that the rotation and differential functions of wheels are realized.
Further, the hub assembly includes a brake drum or disc.
Adopt above-mentioned further scheme's beneficial effect be during the application, two wheel hub closes the piece accessible machinery or hydraulic operation, and the braking is sensitive and the brake is stable.
Furthermore, two the wheel hub closes the stopper of being connected the manual brake on the piece respectively fixedly connected with.
Adopt above-mentioned further scheme's beneficial effect be when using, two brakers are connected with the manual brake through the manual brake line respectively, realize safe parking.
Drawings
Fig. 1 is one of the overall structural diagrams of the present invention;
fig. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of a part of the structure of the present invention;
FIG. 4 is a schematic view of the driving gear, the transmission mechanism and the half shaft of the present invention;
fig. 5 is a schematic structural view of the end of the middle half shaft of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the brake comprises half shafts, 2, driving gears, 3, a differential case, 4, driven gears, 5, half shaft gears, 6, planetary gears, 7, planetary gear shafts, 8, an axle housing, 9, a main reducer case, 10, a hub assembly, 11, a brake, 12, a hand brake wire, 13 and a main cone flange.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5, the utility model provides a rear axle assembly of a heavy-duty motor tricycle, which comprises an axle housing 8, a main reducer assembly, two half axles 1 and two wheel hub assemblies 10, wherein the main reducer assembly is fixedly arranged in the middle of the axle housing 8; two semi-axles 1 are installed in axle housing 8 relatively, and its one end is connected with the main assembly transmission that subtracts respectively, and the other end level extends to outside the both ends of axle housing 8 respectively, and two wheel hub closes piece 10 fixed cover respectively and establish the other end at two semi-axles 1 for connect the wheel. When the device is used, the main reducer assembly operates in a mode which can be thought by a person skilled in the art, the two half shafts 1 are driven to rotate, and the two half shafts 1 drive wheels to operate by using the hub assembly 10 at the other ends of the two half shafts, so that the vehicle runs. The utility model discloses simple structure, reasonable in design, 8 whole punching press lightweight designs of axle housing effectively reduce welding defect and oil leak risk, and 8 board utilization of axle housing rates are high, and production efficiency is high, and 8 piece of axle housing effectively reduce welding defect and oil leak risk, and bending strength improves at double.
Example 1
On the basis of above-mentioned structure, in this embodiment, 8 cross-sections of axle housing are the rectangle structure, and axle housing 8 supports rigidity good, and intensity and rigidity improve by a wide margin, and manufacturing process is simple, and the bearing capacity increase reduces the welding defect that multichannel welding brought.
Example 2
On the basis of above-mentioned structure, in this embodiment, axle housing 8 is formed by two half casing tailor-welds, simple structure, and the quality is light, and material utilization is high, and reasonable in design realizes easily that the welding is automatic, and production efficiency is high, labour saving and time saving. Example 3
On the basis of the structure, in the embodiment, the main reducer assembly comprises a main reducer casing 9, a driving gear 2 and a differential assembly, wherein two ends of the main reducer casing 9 are both open, the main reducer casing is fixedly installed on the axle housing 8 through bolts or welding, and one end of the main reducer casing is communicated with a main reducer installation hole in the axle housing 8; the differential assembly is rotatably arranged in a main reducer mounting hole in the main reducer casing 9 and is in transmission connection with one ends of the two half shafts 1; the driving gear 2 is arranged in the main reducer shell, can rotate around the direction vertical to the axial direction of the half shaft 1 and is meshed with the differential mechanism assembly; the driving gear 2 is rotated to drive the differential assembly and the half shaft 1 to rotate. When the automobile differential mechanism is used, the driving gear 2 operates in a mode which can be thought by a person skilled in the art, the driving gear 2 is used for driving the differential mechanism assembly to operate, the differential mechanism assembly drives the two half shafts 1 to rotate, the two half shafts 1 drive wheels to operate by the aid of the hub assembly 10 at the other end of each half shaft 1, running of the automobile is achieved, supporting rigidity is good, transmission is stable, and the driving gear and the differential mechanism are protected and lubricated by the main reducer housing 9.
One end of the driving gear 2 extends to the outside of the main reducer casing 9, and a main cone flange 13 is coaxially and fixedly sleeved on the driving gear, the main cone flange 13 is in transmission connection with the reverse gear, the specific connection mode adopts the prior art, and the specific details and the principle of the connection mode are not repeated herein.
Example 4
On the basis of the third embodiment, in the present embodiment, the differential assembly includes a differential case 3, the differential case 3 is rotatably disposed along the axial direction of the axle shaft 1, and is in transmission connection with the driving gear 2, and a transmission component in transmission connection with the axle shaft 1 is installed inside the differential case 3. During the use, make driving gear 2 move through the mode that technical personnel in the field can think, utilize driving gear 2 to drive differential case 3 and rotate, differential case 3 drives two semi-axles 1 through drive assembly and rotates to drive the wheel operation, work is steady, and small in noise, dismouting maintenance and adjustment are convenient, and application scope is wider.
The two ends of the differential case 3 are both open and are respectively connected with the inner wall of the axle housing 8 through bearings in a rotating manner, and one ends of the two half shafts 1 respectively extend into the two ends of the differential case 3.
Example 5
In addition to the fourth embodiment, in the present embodiment, the driven gear 4 engaged with the driving gear 2 is fixedly mounted on the differential case 3, and a welding or bolting method is generally adopted. The driving gear 2 and the driven gear 4 adopt hypoid gears, and the meshing spline of the half shaft 1 is an involute spline, so that the torque bearing and transmission capacity of the whole axle is greatly improved, the ground clearance of the whole automobile is reduced, the automobile obtains the best power and stability, and the application range is wider.
The driving gear 2 and the driven gear 4 are combined into a hypoid gear, so that the torque bearing and transmission capacity of the whole bridge is greatly improved, high-efficiency transmission is realized, and the application range is wide.
Example 6
On the basis of the fourth embodiment, in the present embodiment, the transmission assembly includes two side gears 5, and the two side gears 5 are respectively and coaxially and fixedly sleeved on the half shaft 1 at the position inside the differential case 3 through the involute spline at intervals, and are respectively in transmission connection with the differential case 3. When the differential is used, the differential case 3 drives the two half axle gears 5 to rotate, so that the two half axles 1 are driven to rotate, the assembling process is simple, the structure is compact, the supporting rigidity of the half axles 1 is good, and the transmission is stable.
Example 7
On the basis of the sixth embodiment, in the present embodiment, the transmission assembly further includes two planetary gears 6, planetary gear shafts 7 are rotatably mounted in the differential case 3 in a direction perpendicular to the axial direction of the axle shaft 1, and the planetary gear shafts 7 are rotatably mounted in mounting holes of the differential case 3 through bearings, respectively; the two planet gears 6 are coaxially fixed at two ends of the planet gear shaft 7 through splines respectively and are meshed with the two half shaft gears 5 respectively. When the differential mechanism is used, the differential mechanism shell 3 drives the planet gear shafts 7 and the two planet gears 6 to rotate, and the meshing force between the two planet gears 6 and the two half axle gears 5 is utilized to drive the two half axle gears 5 and the two half axles 2 to rotate, so that the rotation and differential functions of wheels are realized.
Example 8
On the basis of the above structure, in the present embodiment, the hub unit 10 includes a brake drum or a brake disk. When in use, the two hub assemblies 10 can be operated mechanically or hydraulically, so that the brake is sensitive and the brake is stable.
Example 9
On the basis of the above structure, in the present embodiment, the two hub assemblies 10 are respectively and fixedly connected with the brake 11 connected with the hand brake through the bolt. When the parking brake is applied, the two brakes 11 are respectively connected with the hand brake through the hand brake cable 12, and safe parking is achieved.
The working principle of the utility model is as follows:
the torque is transmitted to the transmission shaft through the output shaft of the reverse gear, the change of the transmission direction is realized, and then the torque is transmitted to the driving gear 2 of the main reducing assembly through the cross shaft type rigid universal joint transmission shaft; the rotating driving gear 2 drives the driven gear 4 to rotate by utilizing the meshing force between the driving gear and the driven gear 4, and further drives the differential case 3 to rotate; then the differential case 3 drives the planet gear shaft 7 and the two planet gears 6 to rotate, and then the meshing force between the two planet gears 6 and the two half shaft gears 5 is utilized to drive the two half shaft gears 5 and the half shaft 1 to rotate, so that the transmission is convenient and fast.
The driving gear 2 is adopted to make the gear axes of the main gear and the auxiliary gear deviate downwards, the gears are in meshed pure rolling contact and slide longitudinally along the tooth length direction, the installation posture of the whole vehicle is reduced, the helix angle of the main gear is increased, the contact stress is reduced, and the transmission is stable.
Carrying a route: the axle housing 8 acts as an important load bearing member supporting the vehicle load and transmitting traction, braking, lateral and vertical forces acting on the drive wheels through the axle housing to the suspension and the vehicle frame or carriage, whereby the axle housing 8 acts as a load bearing member and a force transmitting member.
In the utility model, the axle housing 8 is changed into an integral stamping square tube from the original sectional type pipe inserting welding, the bending resistance section coefficient is increased, and the bearing capacity of the axle housing 8 is improved; in addition, the integral strength of the whole vehicle is improved, the running stability and the comfort of the whole vehicle are improved, the posture of the whole vehicle is reduced, and the whole vehicle is more favorable for arrangement.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A heavy-duty motor tricycle rear axle assembly is characterized in that: the reducer comprises an axle housing (8), a main reducer assembly, two half shafts (1) and two hub assemblies (10), wherein the main reducer assembly is fixedly arranged in the middle of the axle housing (8); two semi-axis (1) is installed relatively in axle housing (8), its one end respectively with the main transmission assembly transmission is connected, and the other end level respectively extends to outside the both ends of axle housing (8), two wheel hub closes piece (10) and fixes the cover respectively and be equipped with two the other end of semi-axis (1) for connect the wheel.
2. The heavy-duty motor tricycle rear axle assembly of claim 1, wherein: the cross section of the axle housing (8) is of a rectangular structure.
3. The heavy-duty motor tricycle rear axle assembly of claim 1, wherein: the axle housing (8) is formed by welding two half shells.
4. The heavy-duty motor tricycle rear axle assembly according to any of claims 1-3, wherein: the main reducer assembly comprises a main reducer casing (9), a driving gear (2) and a differential mechanism assembly, wherein two ends of the main reducer casing (9) are both open, the main reducer casing is fixedly installed on the axle housing (8), and one end of the main reducer casing is communicated with a main reducer installation hole in the axle housing (8); the differential assembly is fixedly arranged in a main reducer mounting hole in the main reducer casing (9) and is in transmission connection with one ends of the two half shafts (1); the driving gear (2) is arranged in the main reducer shell, can rotate around the direction vertical to the axial direction of the half shaft (1) and is meshed with the differential mechanism assembly; and rotating the driving gear (2) to drive the differential assembly and the half shaft (1) to rotate.
5. The heavy-duty motor tricycle rear axle assembly of claim 4, wherein: the differential mechanism assembly comprises a differential mechanism shell (3), the differential mechanism shell (3) is arranged along the axial direction of the half shaft (1) in a rotating mode, is in transmission connection with the driving gear (2), and is internally provided with a transmission component in transmission connection with the half shaft (1).
6. The heavy-duty motor tricycle rear axle assembly of claim 5, wherein: and a driven gear (4) meshed with the driving gear (2) is fixedly mounted on the differential case (3).
7. The heavy-duty motor tricycle rear axle assembly of claim 5, wherein: the transmission assembly comprises two half axle gears (5), and the two half axle gears (5) are respectively coaxially and fixedly sleeved at intervals on the half axle (1) in the differential case (3) and are respectively in transmission connection with the differential case (3).
8. The heavy-duty motor tricycle rear axle assembly of claim 7, wherein: the transmission assembly further comprises two planetary gears (6), planetary gear shafts (7) are rotatably mounted in the differential case (3) along the direction vertical to the axial direction of the half shaft (1), and the planetary gear shafts (7) are rotatably mounted in mounting holes of the differential case (3); the two planetary gears (6) are respectively coaxially and fixedly sleeved at two ends of the planetary gear shaft (7) and are respectively meshed with the two half shaft gears (5).
9. The heavy-duty motor tricycle rear axle assembly according to any of claims 1-3, wherein: the hub assembly (10) comprises a brake drum or disc.
10. The heavy-duty motor tricycle rear axle assembly of claim 9, wherein: and the two wheel hub assemblies (10) are respectively and fixedly connected with a brake (11) connected with a hand brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120671185.4U CN215153676U (en) | 2021-04-01 | 2021-04-01 | Rear axle assembly of heavy-load motor tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120671185.4U CN215153676U (en) | 2021-04-01 | 2021-04-01 | Rear axle assembly of heavy-load motor tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215153676U true CN215153676U (en) | 2021-12-14 |
Family
ID=79358035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120671185.4U Active CN215153676U (en) | 2021-04-01 | 2021-04-01 | Rear axle assembly of heavy-load motor tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215153676U (en) |
-
2021
- 2021-04-01 CN CN202120671185.4U patent/CN215153676U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221031 Address after: No. 110, West Ring Road, Zhucheng, Weifang, Shandong 262200 Patentee after: Shandong Wuxing Vehicle Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |