CN211778785U - Transmission device of road roller - Google Patents
Transmission device of road roller Download PDFInfo
- Publication number
- CN211778785U CN211778785U CN201922182577.XU CN201922182577U CN211778785U CN 211778785 U CN211778785 U CN 211778785U CN 201922182577 U CN201922182577 U CN 201922182577U CN 211778785 U CN211778785 U CN 211778785U
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- shaft
- shell
- gear ring
- inner gear
- road roller
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Abstract
The utility model discloses a road roller transmission device, belonging to the technical field of engineering machinery manufacturing, comprising a motor connecting shaft, a sun gear shaft and a big helical gear shaft which are arranged in a shell body in sequence along the axial direction; the motor connecting shaft is fixedly connected with the sun gear shaft; a clutch plate which is separated and combined through a piston is arranged on the motor connecting shaft; the sun wheel shaft is provided with a gear meshed with the planet wheel, the planet wheel is meshed with the inner gear ring, and the inner gear ring is in transmission connection with the large spiral gear shaft through the inner gear ring pressure bearing disc. The utility model discloses can solve current road roller transmission and have the part many, probably the trouble is more, maintains and overhauls the problem of work difficulty.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool manufacturing technology and specifically relates to a transmission for road roller.
Background
The road roller is a device for compacting sandy, semi-viscous and viscous soil, roadbed stabilizing soil, asphalt concrete pavement and the like by the gravity of the machine. The transmission device of the existing road roller comprises a brake, a transmission assembly and a drive axle assembly. When the road roller is in work, a power source output by the engine is transmitted to the transmission through the engagement of the clutch, the torque increasing and speed reducing or reverse gear are realized through the transmission assembly, and the power source is finally transmitted to the wheels through the drive axle assembly with the differential mechanism so as to realize the function of advancing or backing the road roller. However, the existing transmission device of the road roller has the problems of more parts, more possible faults and difficult maintenance and repair work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a road roller transmission, it is many that there are the part that this kind of device can solve current road roller transmission, and probably the trouble is more, maintains and overhauls the problem of work difficulty.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is: the transmission device of the road roller comprises a motor connecting shaft, a sun gear shaft and a large spiral gear shaft which are arranged in a shell in sequence along the axial direction; the motor connecting shaft is fixedly connected with the sun gear shaft; a clutch plate which is separated and combined through a piston is arranged on the motor connecting shaft; the sun wheel shaft is provided with a gear meshed with the planet wheel, the planet wheel is meshed with the inner gear ring, and the inner gear ring is in transmission connection with the large spiral gear shaft through the inner gear ring pressure bearing disc.
In the above technical solution, a more specific technical solution may also be: the shell comprises a clutch shell, a speed reduction shell and a bridge shell which are sequentially connected through bolts.
Further: the clutch shell comprises an end cover and a front shell, the end cover is provided with a support sleeve for penetrating the motor connecting shaft, the piston is arranged between the clutch plate and the end cover, and a spring sleeved on the support sleeve is arranged between the piston and the end cover; an oil cavity is arranged between the clutch shell and the piston, and an oil port communicated with the oil cavity is formed in the clutch shell; the clutch plate is sleeved on the connecting sleeve, the connecting sleeve is fixedly connected with the sun gear shaft, and the piston is respectively abutted against the spring and the clutch plate.
Further: the speed reduction shell comprises a middle shell and a check ring, the middle shell surrounds the inner gear ring, the sun wheel shaft is connected with a planet carrier through a bearing, the planet carrier is fixedly connected with the check ring, and the wheel shaft of the planet wheel is installed on the planet carrier through a bearing.
Further: one end of the inner gear ring pressure bearing disc is fixedly connected with the inner wall of the inner gear ring, and the other end of the inner gear ring pressure bearing disc extends out of the inner gear ring and is fixedly connected with the large helical gear shaft.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. the transmission device of the road roller comprises a motor connecting shaft, a sun gear shaft and a large spiral gear shaft which are arranged in the shell in sequence along the axial direction; the motor connecting shaft is fixedly connected with the sun gear shaft; a clutch plate which is separated and combined through a piston is arranged on the motor connecting shaft; a gear meshed with the planet gear is arranged on the sun gear shaft, the planet gear is meshed with the inner gear ring, and the inner gear ring is in transmission connection with the large spiral gear shaft through the inner gear ring pressure bearing disc; the functions of braking, speed reduction and a drive axle are integrated in one shell, the structure is simple and compact, the components are reduced, the occurrence rate of faults is greatly reduced, and the maintenance and the overhaul are convenient.
2. The shell comprises a clutch shell, a speed reduction shell and a bridge shell which are sequentially connected through bolts; the installation and the maintenance are convenient.
3. The clutch shell comprises an end cover and a front shell, the end cover is provided with a support sleeve for penetrating a motor connecting shaft, the piston is arranged between the clutch plate and the end cover, and a spring sleeved on the support sleeve is arranged between the piston and the end cover; an oil cavity is arranged between the clutch shell and the piston, and an oil port communicated with the oil cavity is formed in the clutch shell; the clutch plate is sleeved on the connecting sleeve, the connecting sleeve is fixedly connected with the sun wheel shaft, and the piston is respectively abutted against the spring and the clutch plate; the structure is simplified, the braking of the motor connecting shaft and the sun wheel shaft is realized, and the motor overload is effectively avoided.
4. The speed reduction shell comprises a middle shell and a check ring, wherein the middle shell is surrounded by an inner gear ring, a sun wheel shaft is connected with a planet carrier through a bearing, the planet carrier is fixedly connected with the check ring, and a wheel shaft of the planet wheel is arranged on the planet carrier through a bearing; the speed ratio of the transmission system can be increased, the output torque requirement of the motor is reduced, and the overall structure size of the motor is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a transmission schematic diagram of the embodiment of the present invention.
Detailed Description
The invention will be described in more detail with reference to the following embodiments:
the road roller transmission device shown in fig. 1 and 2 comprises a housing 1, wherein the housing 1 comprises a clutch housing 11, a speed reducing housing 12 and an axle housing 13 which are sequentially connected through bolts, one end of the speed reducing housing 12 is connected with the clutch housing 11 through a bolt 5, and the other end of the speed reducing housing 12 is fixedly connected with the axle housing 13 through a bolt 7; a motor connecting shaft 2, a sun gear shaft 3 and a large helical gear shaft 4 are sequentially arranged in the shell 1 along the axial direction, the clutch shell 11 comprises an end cover 111 and a front shell 112, the end cover 111 is provided with a supporting sleeve 1111 for penetrating and installing the motor connecting shaft 2, one end of the motor connecting shaft 2 penetrates through the supporting sleeve 1111 and is connected with a motor output shaft (not shown) through a coupling, the other end of the motor connecting shaft 2 is fixedly connected with the sun gear shaft 3 through a connecting sleeve 16, the motor connecting shaft 2 is inserted into one end of the connecting sleeve 16, the sun gear shaft 3 penetrates through the other end of the connecting sleeve 16 and then is inserted into the motor connecting shaft 2, and; a clutch plate 15 which is separated and combined through a piston 9 is installed on the motor connecting shaft 2, the piston 9 is arranged between the clutch plate 15 and an end cover 111, a spring 8 which is sleeved on a support sleeve 1111 is arranged between the piston 9 and the end cover 111, the spring 8 is a disc spring, an oil cavity is arranged between a front shell 112 of the clutch shell 11 and the piston 9, an oil port 10 which is communicated with the oil cavity is formed in the clutch shell 11, the clutch plate 15 is sleeved on a connecting sleeve 16, and the piston 9 is respectively abutted against the spring 8 and the clutch plate 15; the speed reduction shell 12 comprises a middle shell 122 and a retainer ring 121, wherein the middle shell is provided with an inner gear ring 6, a sun gear shaft 3 is connected with a planet carrier 18 through a bearing 19, the planet carrier 18 is fixedly connected with the retainer ring 121 through a bolt 14, a gear meshed with a planet gear 20 is arranged on the sun gear shaft 3, a gear shaft 21 of the planet gear 20 is arranged on the planet carrier 18, the planet gear 20 is meshed with the inner gear ring 6, and the inner gear ring 6 is in transmission connection with a large helical gear shaft 4 through an inner gear; one end of the inner gear ring pressure-bearing disc 22 is fixedly connected with the inner wall of the inner gear ring 6, the other end extends out of the inner gear ring 6 and is fixedly connected with the large spiral gear shaft 4 through a fastening bolt 25, a gasket 26 is arranged between the check ring 121 and the inner gear ring 6, and a bearing 24 positioned in the bracket 23 is arranged on the large spiral gear shaft 4.
The utility model discloses with the function set of braking, speed reduction and transaxle in a detachable casing, simple structure is compact, has reduced the constitution of spare part, the incidence of trouble that has not only significantly reduced, it is also convenient to maintain and overhaul moreover.
Claims (5)
1. A road roller transmission device is characterized in that: the motor connecting shaft, the sun gear shaft and the large spiral gear shaft are arranged in the shell in sequence along the axial direction; the motor connecting shaft is fixedly connected with the sun gear shaft; a clutch plate which is separated and combined through a piston is arranged on the motor connecting shaft; the sun wheel shaft is provided with a gear meshed with the planet wheel, the planet wheel is meshed with the inner gear ring, and the inner gear ring is in transmission connection with the large spiral gear shaft through the inner gear ring pressure bearing disc.
2. The road roller transmission of claim 1, wherein: the shell comprises a clutch shell, a speed reduction shell and a bridge shell which are sequentially connected through bolts.
3. The road roller transmission of claim 2, wherein: the clutch shell comprises an end cover and a front shell, the end cover is provided with a support sleeve for penetrating the motor connecting shaft, the piston is arranged between the clutch plate and the end cover, and a spring sleeved on the support sleeve is arranged between the piston and the end cover; an oil cavity is arranged between the clutch shell and the piston, and an oil port communicated with the oil cavity is formed in the clutch shell; the clutch plate is sleeved on the connecting sleeve, the connecting sleeve is fixedly connected with the sun gear shaft, and the piston is respectively abutted against the spring and the clutch plate.
4. A road roller transmission according to claim 2 or claim 3, characterised in that: the speed reduction shell comprises a middle shell and a check ring, the middle shell surrounds the inner gear ring, the sun wheel shaft is connected with a planet carrier through a bearing, the planet carrier is fixedly connected with the check ring, and the wheel shaft of the planet wheel is installed on the planet carrier through a bearing.
5. The road roller transmission of claim 4, wherein: one end of the inner gear ring pressure bearing disc is fixedly connected with the inner wall of the inner gear ring, and the other end of the inner gear ring pressure bearing disc extends out of the inner gear ring and is fixedly connected with the large helical gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182577.XU CN211778785U (en) | 2019-12-09 | 2019-12-09 | Transmission device of road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182577.XU CN211778785U (en) | 2019-12-09 | 2019-12-09 | Transmission device of road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778785U true CN211778785U (en) | 2020-10-27 |
Family
ID=72974611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922182577.XU Active CN211778785U (en) | 2019-12-09 | 2019-12-09 | Transmission device of road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236731A (en) * | 2021-05-10 | 2021-08-10 | 柳工柳州传动件有限公司 | Planetary gearbox and electric engineering machinery |
-
2019
- 2019-12-09 CN CN201922182577.XU patent/CN211778785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236731A (en) * | 2021-05-10 | 2021-08-10 | 柳工柳州传动件有限公司 | Planetary gearbox and electric engineering machinery |
| CN113236731B (en) * | 2021-05-10 | 2023-01-06 | 柳工柳州传动件有限公司 | Planetary gearbox and electric engineering machinery |
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