CN216424082U - Hydraulic drive's automobile-used transmission system and vehicle - Google Patents
Hydraulic drive's automobile-used transmission system and vehicle Download PDFInfo
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- CN216424082U CN216424082U CN202123271550.1U CN202123271550U CN216424082U CN 216424082 U CN216424082 U CN 216424082U CN 202123271550 U CN202123271550 U CN 202123271550U CN 216424082 U CN216424082 U CN 216424082U
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Abstract
The utility model provides a hydraulic drive vehicle transmission system and a vehicle, wherein the transmission system comprises a power input device, two hydraulic pumps, two hydraulic distributors and two groups of hydraulic motors; the power input device is provided with a power input shaft and two power output shafts; the driving shafts of the two hydraulic pumps are coaxially connected with the two power output shafts one to one; an oil inlet of the hydraulic pump is communicated with an oil outlet of the oil tank; an oil inlet of one of the hydraulic distributors is communicated with an oil outlet of one of the hydraulic pumps, and an oil inlet of the other of the hydraulic distributors is communicated with an oil outlet of the other of the hydraulic pumps; oil outlets of the two hydraulic distributors are communicated with an oil return port of the oil tank; the oil path ports of one group of hydraulic motors are communicated with the working oil port of one hydraulic distributor in a one-to-one mode, and the oil path ports of the other group of hydraulic motors are communicated with the working oil port of the other hydraulic distributor in a one-to-one mode. The utility model discloses it has the characteristics that the noise is little, stable in structure.
Description
Technical Field
The present invention relates to vehicle transmission systems, and more particularly, to a hydraulically driven vehicle transmission system and a vehicle.
Background
Chinese patent No. CN2858359Y discloses an amphibious all-terrain vehicle with a central engine, which comprises a boat-shaped vehicle body, an engine and a gearbox, wherein the engine is arranged in the middle of the vehicle body, the gearbox is positioned below the engine, two ends of an output shaft of the gearbox extend out of a box body from the left side and the right side, two ends of the output shaft of the gearbox are provided with duplex chain wheels, and the duplex chain wheels transmit power to wheel shafts of wheels forward and backward respectively through two chains. The power transmission device has the advantages that power is directly transmitted to the wheels on two sides of the automobile body from the left side and the right side through the chain wheel and chain transmission systems, transmission parts of a traditional automobile chassis part are omitted, the structure is simple, the weight is light, the operation is simple, convenient and flexible, and the power transmission device can run on shallow marshes, wetlands or muddy lands and can also run on jungles, snowfields, mountainous regions or gobi.
However, the sprocket type transmission structure has a large noise and a large torque, and is likely to cause a problem such as breakage of the chain or dropping of the chain after being elongated.
SUMMERY OF THE UTILITY MODEL
In view of this, the first objective of the present invention is to provide a hydraulic driving vehicular transmission system, which has the characteristics of low noise and stable structure.
In order to realize the purpose, the technical scheme of the utility model is that:
a hydraulically driven vehicular transmission system comprising:
the power input device is provided with a power input shaft and two power output shafts, the power input shaft is connected with a power source and drives the power output shafts to synchronously rotate through a built-in transmission structure;
the driving shafts of the two hydraulic pumps are coaxially connected with the two power output shafts one to one; an oil inlet of the hydraulic pump is communicated with an oil outlet of the oil tank;
an oil inlet of one of the two hydraulic distributors is communicated with an oil outlet of one of the hydraulic pumps, and an oil inlet of the other hydraulic distributor is communicated with an oil outlet of the other hydraulic pump; oil outlets of the two hydraulic distributors are communicated with an oil return port of the oil tank;
the oil circuit port of one group of hydraulic motors is communicated with the working oil port of one hydraulic distributor in a one-to-one mode, and the oil circuit port of the other group of hydraulic motors is communicated with the working oil port of the other hydraulic distributor in a one-to-one mode; the output shaft of the hydraulic motor is used for being connected with the wheel shaft.
Preferably, the power input device comprises a box body, the power input shaft and the power output shaft are arranged in the box body through bearings, and an intermediate shaft is further arranged in the box body through a bearing; the power input shaft, the power output shaft and the intermediate shaft are parallel to each other; the power input shaft is provided with a main gear, the intermediate shaft is provided with an intermediate gear, and the power output shaft is provided with a pinion; the main gear is meshed with an intermediate gear, and the intermediate gear is meshed with a pinion.
Preferably, the two pinions are located on both sides of the intermediate gear, respectively.
Preferably, a clutch is mounted on the box body, and the power input shaft is connected with the power source through the clutch.
Preferably, the output shaft of the hydraulic motor is connected to the axle by a roller chain coupling.
Preferably, the number of hydraulic motors per group is 6.
The second objective of the present invention is to provide a hydraulically driven vehicle, which has the characteristics of low noise and stable structure.
In order to realize the purpose, the technical scheme of the utility model is that:
a vehicle comprises a frame, a control system, an engine, a vehicle body, wheels and a transmission system for the vehicle, wherein the control system, the engine, the vehicle body and the wheels are arranged on the frame; an output shaft of the engine is in transmission connection with the power input shaft; the wheels are mounted on a wheel shaft, and the wheel shaft is connected with an output shaft of the hydraulic motor.
Preferably, the frame is provided with an auxiliary bearing for fixing the wheel shaft.
The utility model discloses technical effect mainly embodies in following aspect:
1. the hydraulic transmission is adopted, and the wheels are driven to rotate by the hydraulic motor, so that the hydraulic transmission has the characteristics of good stability, large torque, low noise and the like;
2. the oil path directions of the two hydraulic pumps can be respectively controlled, so that the vehicle can be steered and backed up.
Drawings
FIG. 1 is a schematic illustration of an exemplary vehicular transmission system;
fig. 2 is a schematic diagram of a power input device in an embodiment.
Reference numerals: 1. a frame; 2. a power input device; 21. a box body; 22. a power input shaft; 23. an intermediate shaft; 24. a power take-off shaft; 25. a main gear; 26. an intermediate gear; 27. a pinion gear; 3. a hydraulic pump; 4. a hydraulic distributor; 5. a hydraulic motor; 6. a clutch; 7. a roller chain coupling; 8. a wheel axle; 9. and (5) auxiliary bearings.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
Example one
Referring to fig. 1, the present embodiment provides a hydraulically driven vehicular transmission system including a power input device 2, two hydraulic pumps 3, two hydraulic distributors 4, and two sets of hydraulic motors 5. The number of hydraulic motors 5 per group is, for example, 6, but may be 4, 8, 12, etc., depending on the vehicle type. In addition, the two hydraulic distributors 4 can also be replaced equally by hydraulic distributors having two different sets of oil passages.
With reference to fig. 1 and 2, the power input device 2 includes a case 21, a power input shaft 22, an intermediate shaft 23, and two power output shafts 24. The case 21 is provided with a clutch 6, and the power input shaft 22 is connected to a power source through the clutch 6. The power input shaft 22, the intermediate shaft 23, and the power output shaft 24 are mounted in the case 21 through bearings, and are parallel to each other. A main gear 25 is arranged on the power input shaft 22, an intermediate gear 26 is arranged on the intermediate shaft 23, and a pinion 27 is arranged on the power output shaft 24; the main gear 25 meshes with an intermediate gear 26, and the intermediate gear 26 meshes with a pinion 27.
The drive shafts of the two hydraulic pumps 3 are coaxially connected to the two power output shafts 24 one by one, and the power input shaft 22 can drive the two hydraulic pumps 3 to operate.
With reference to fig. 1, oil inlets of the two hydraulic pumps 3 are both communicated with an oil outlet of an oil tank, an oil inlet of one hydraulic distributor 4 is communicated with an oil outlet of one hydraulic pump 3, and an oil inlet of the other hydraulic distributor 4 is communicated with an oil outlet of the other hydraulic pump 3; oil outlets of the two hydraulic distributors 4 are communicated with an oil return port of the oil tank. In addition, the oil path ports of one group of hydraulic motors 5 are communicated with the working oil port of one hydraulic distributor 4 in a one-to-one manner, and the oil path ports of the other group of hydraulic motors 5 are communicated with the working oil port of the other hydraulic distributor 4 in a one-to-one manner; the output shaft of the hydraulic motor 5 is adapted to be connected to a wheel axle 8. In this way, when the hydraulic pump 3 is in operation, the corresponding hydraulic motor 5 can be driven to operate by the hydraulic distributor 4, thereby driving the wheel shaft 8 and the wheels to rotate.
It is worth to mention that, since the hydraulic pump 3 is provided with a control lever, that is: the direction of the oil path of the hydraulic pump 3 can be controlled by the operating lever, so that the forward and reverse rotation of the wheel can be realized only by the operating lever.
Example II,
On the basis of the first embodiment, the embodiment also provides a vehicle which can be a land vehicle, an amphibious vehicle and the like. The vehicle comprises a frame 1, a control system, an engine, a vehicle body, wheels and a vehicle transmission system in the first embodiment, wherein the control system, the engine, the vehicle body and the wheels are arranged on the frame 1; the output shaft of the engine is in transmission connection with the power input shaft 22; the wheels are arranged on a wheel shaft 8, and an output shaft of the hydraulic motor 5 is connected with the wheel shaft 8 through a roller chain coupling 7.
The two rows of hydraulic motors 5 are respectively arranged at the left side and the right side of the frame 1, and the frame 1 is provided with an auxiliary bearing 9 for fixing the wheel shaft 8, so that the stability of the wheel shaft 8 can be improved.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (8)
1. A hydraulically driven vehicular transmission system, comprising:
the power input device (2) is provided with a power input shaft (22) and two power output shafts (24), wherein the power input shaft (22) is connected with a power source and drives the power output shafts (24) to synchronously rotate through a built-in transmission structure;
two hydraulic pumps (3), the driving shafts of the two hydraulic pumps (3) are coaxially connected with two power output shafts (24) one to one; an oil inlet of the hydraulic pump (3) is communicated with an oil outlet of the oil tank;
an oil inlet of one of the two hydraulic distributors (4) is communicated with an oil outlet of one of the hydraulic pumps (3), and an oil inlet of the other hydraulic distributor (4) is communicated with an oil outlet of the other hydraulic pump (3); oil outlets of the two hydraulic distributors (4) are communicated with an oil return port of the oil tank;
the oil circuit ports of one group of hydraulic motors (5) are communicated with the working oil port of one hydraulic distributor (4) in a one-to-one manner, and the oil circuit ports of the other group of hydraulic motors (5) are communicated with the working oil port of the other hydraulic distributor (4) in a one-to-one manner; the output shaft of the hydraulic motor (5) is used for being connected with the wheel shaft (8).
2. A hydraulically driven vehicular transmission system as claimed in claim 1, characterized in that the power input means (2) comprises a housing (21), the power input shaft (22) and the power output shaft (24) being bearing-mounted in the housing (21), the housing (21) also having an intermediate shaft (23) bearing-mounted therein; the power input shaft (22), the power output shaft (24) and the intermediate shaft (23) are parallel to each other; a main gear (25) is mounted on the power input shaft (22), an intermediate gear (26) is mounted on the intermediate shaft (23), and a pinion (27) is mounted on the power output shaft (24); the main gear (25) is meshed with an intermediate gear (26), and the intermediate gear (26) is meshed with a secondary gear (27).
3. A hydraulically driven vehicle transmission system as claimed in claim 2, characterized in that the two pinion gears (27) are located on either side of the intermediate gear (26).
4. A hydraulically driven vehicular transmission system as claimed in claim 2, characterized in that the housing (21) is provided with a clutch (6), and the power input shaft (22) is connected to the power source via the clutch (6).
5. A hydraulically driven vehicle transmission system as claimed in claim 1, characterized in that the output shaft of the hydraulic motor (5) is connected to the wheel axle (8) by means of a roller chain coupling (7).
6. A hydraulically driven vehicle transmission system as claimed in claim 1, characterized in that the number of hydraulic motors (5) per group is 6.
7. A vehicle, characterized by comprising a frame (1), a control system, an engine, a vehicle body, wheels and a vehicle transmission system according to any one of claims 1-6, wherein the control system, the engine, the vehicle body and the wheels are arranged on the frame (1); the output shaft of the engine is in transmission connection with a power input shaft (22); the wheels are mounted on a wheel shaft (8), and the wheel shaft (8) is connected with an output shaft of the hydraulic motor (5).
8. A vehicle according to claim 7, characterized in that the frame (1) is provided with auxiliary bearings (9) for fixing the wheel axles (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271550.1U CN216424082U (en) | 2021-12-22 | 2021-12-22 | Hydraulic drive's automobile-used transmission system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123271550.1U CN216424082U (en) | 2021-12-22 | 2021-12-22 | Hydraulic drive's automobile-used transmission system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216424082U true CN216424082U (en) | 2022-05-03 |
Family
ID=81319263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123271550.1U Active CN216424082U (en) | 2021-12-22 | 2021-12-22 | Hydraulic drive's automobile-used transmission system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216424082U (en) |
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2021
- 2021-12-22 CN CN202123271550.1U patent/CN216424082U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317034 No. 888, Xianren village, Hetou Town, Linhai City, Taizhou City, Zhejiang Province Patentee after: Haishida Emergency Equipment (Zhejiang) Co.,Ltd. Address before: 317034 No. 888, Xianren village, Hetou Town, Linhai City, Taizhou City, Zhejiang Province Patentee before: Linghai Hai Shi Da Machinery Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |