CN203656103U - Hydraulic machinery stepless speed regulator - Google Patents
Hydraulic machinery stepless speed regulator Download PDFInfo
- Publication number
- CN203656103U CN203656103U CN201420033312.8U CN201420033312U CN203656103U CN 203656103 U CN203656103 U CN 203656103U CN 201420033312 U CN201420033312 U CN 201420033312U CN 203656103 U CN203656103 U CN 203656103U
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- motor
- pump
- swash plate
- plunger
- main oil
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- Expired - Fee Related
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Abstract
The utility model discloses a hydraulic machinery stepless speed regulator, which relates to a speed regulator, and comprises an input shaft, a pump plunger, a pump valve plate, a pump swash plate, a swash plate support base, a main oil channel, a motor swash plate, a motor valve plate, a motor plunger, an output shaft and a motor cylinder, wherein the pump swash plate and the motor swash plate are arranged on the two sides of the swash plate support base, the swash plate support base is provided with the main oil channel, the plunger pump is connected with the motor plunger through the main oil channel, the motor plunger and the motor valve plate are connected, and the input shaft is connected with the output shaft through the pump valve plate and the pump swash plate. The hydraulic machinery stepless speed regulator can transmit big power, is high in transmission efficiency, small in transmission power of a hydraulic part and small in whole mechanism volume, and conveniently and steadily adjusts speed, thereby being capable of being obtained.
Description
Technical field
The utility model relates to a kind of speed changer, be specifically related to a kind of hydraulic mechanical stepless gearbox.
Background technique
For a long time, people are carrying out transmitting research work high-power, that maintain the mechanical continuously-variable transmission of high efficiency and long-life always.Analyze from the transmission principle of stepless speed variator, the each tool advantage of simple hydraulic transmission or mechanical transmission, also has some limitations simultaneously.Can retain again its advantage in order to overcome its shortcoming, this technology has improved hydraulic machinery variable transmission performance.
Summary of the invention
For the deficiency existing in prior art, the utility model object is to be to provide a kind of hydraulic mechanical stepless gearbox, can transmit high-power and high transmission efficiency, and hydraulic part transmission small-power, make whole mechanism volume little, speed governing is steadily convenient, therefore can obtain New Hydro-mechanical Stepless Transmission.
To achieve these goals, the utility model is to realize by the following technical solutions: hydraulic mechanical stepless gearbox, comprise input shaft, pump plunger, pump port plate, pump swash plate, swash plate bearing, main oil gallery, motor swashplate, motor thrust plate, motor plunger, output shaft and motor cylinder, swash plate bearing both sides are provided with pump swash plate and motor swashplate, on swash plate bearing, device has main oil gallery, plunger pump is connected with motor plunger by main oil gallery, motor plunger is connected with motor thrust plate, and input shaft is connected with output shaft by pump port plate, pump swash plate.
The flow of pressurized transfer mechanism of described speed changer is by a two-way variable displacement pump and a hydraulic volume flow control circuit that double-action variable displacement motor forms.
Speed changer structure of the present utility model adopts the transmission scheme of shaft type variable displacement pump+variable displacement motor, and wherein motor cylinder maintains static, and pump swash plate, motor swashplate are arranged on swash plate bearing, rotate with output shaft synchronous.Manipulation bar can change arbitrarily the inclination angle of pump swash plate, motor swashplate, obtains any one output speed.Flow of pressurized transfer mechanism is by a two-way variable displacement pump and a hydraulic volume flow control circuit that double-action variable displacement motor forms, and this speed changer has adopted interior power shunting drive technology.
The beneficial effects of the utility model are: can transmit high-power and high transmission efficiency, and hydraulic part transmission small-power makes whole mechanism volume little, speed governing is steadily convenient, therefore can obtain New Hydro-mechanical Stepless Transmission.
Accompanying drawing explanation
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is mechanical transmission schematic diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
With reference to Fig. 1-2, this embodiment is by the following technical solutions: hydraulic mechanical stepless gearbox, comprise input shaft 1, pump plunger 2, pump port plate 3, pump swash plate 4, swash plate bearing 5, main oil gallery 6, motor swashplate 7, motor thrust plate 8, motor plunger 9, output shaft 10 and motor cylinder 11, swash plate bearing 5 both sides are provided with pump swash plate 4 and motor swashplate 7, on swash plate bearing 5, device has main oil gallery 6, plunger pump 2 is connected with motor plunger 9 by main oil gallery 6, motor plunger 9 is connected with motor thrust plate 8, input shaft 1 is by pump port plate 3, pump swash plate 4 is connected with output shaft 10.
The flow of pressurized transfer mechanism of described speed changer is by a two-way variable displacement pump and a hydraulic volume flow control circuit that double-action variable displacement motor forms.
In Fig. 2 of this embodiment, formed by four parts: distributary mechanism, machinery spreads actuation mechanism, flow of pressurized driving mechanism and the mechanism of confluxing.Star row K1, K2 and K3, stationary axle gear mesh i1 and i2, break Z1 and Z2, clutch L0, L1 and L2 have jointly formed machinery and have spread actuation mechanism.Wherein i1 is distributary mechanism, and K1 and K2 are the mechanism of confluxing, and K3 is a height gear switching device.
Embodiment 1: for tractor, the tractor that hydraulic mechanical stepless gearbox is housed has been realized the continuous stepless variation of speed, in the time of any tractive force, motor is all close to putting at full capacity work, thereby greatly improved productivity and the fuel economy of tractor.
Embodiment 2: for automobile, New Hydro-mechanical Stepless Transmission, has higher transmission efficiency and larger output torque, realizes the function of automobile.Implementation process: the input power P1 on input shaft 1 punishes two-way at pump port plate 3, pump swash plate 4 and is delivered on output shaft 10: a road is the radial component that pump plunger 2 produces pump swash plate 4, is delivered to the mechanical output Pm on output shaft 10 by swash plate bearing 5; Another road is that the high pressure oil that pump plunger 2 produces passes through the main oily passage 6 on swash plate bearing 5, acts on motor plunger 9, motor swashplate 8 is produced to radial component, then be delivered to the hydraulic power Ph on output shaft 10 by swash plate bearing 5.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. hydraulic mechanical stepless gearbox, it is characterized in that, comprise input shaft (1), pump plunger (2), pump port plate (3), pump swash plate (4), swash plate bearing (5), main oil gallery (6), motor swashplate (7), motor thrust plate (8), motor plunger (9), output shaft (10) and motor cylinder (11), swash plate bearing (5) both sides are provided with pump swash plate (4) and motor swashplate (7), the upper device of swash plate bearing (5) has main oil gallery (6), plunger pump (2) is connected with motor plunger (9) by main oil gallery (6), motor plunger (9) is connected with motor thrust plate (8), input shaft (1) is by pump port plate (3), pump swash plate (4) is connected with output shaft (10).
2. hydraulic mechanical stepless gearbox according to claim 1, is characterized in that, the flow of pressurized transfer mechanism of described speed changer is by a two-way variable displacement pump and a hydraulic volume flow control circuit that double-action variable displacement motor forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033312.8U CN203656103U (en) | 2014-01-20 | 2014-01-20 | Hydraulic machinery stepless speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033312.8U CN203656103U (en) | 2014-01-20 | 2014-01-20 | Hydraulic machinery stepless speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656103U true CN203656103U (en) | 2014-06-18 |
Family
ID=50922493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033312.8U Expired - Fee Related CN203656103U (en) | 2014-01-20 | 2014-01-20 | Hydraulic machinery stepless speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775984A (en) * | 2015-02-09 | 2015-07-15 | 浙江大学 | Electro-hydraulic power generator and wind power electro-hydraulic power generating system |
| CN110067855A (en) * | 2019-03-13 | 2019-07-30 | 钟彪 | A kind of hydraulic stepless speed change transmission device |
| WO2019242370A1 (en) * | 2018-06-20 | 2019-12-26 | 合肥创源车辆控制技术有限公司 | Continuously variable transmission |
-
2014
- 2014-01-20 CN CN201420033312.8U patent/CN203656103U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775984A (en) * | 2015-02-09 | 2015-07-15 | 浙江大学 | Electro-hydraulic power generator and wind power electro-hydraulic power generating system |
| CN104775984B (en) * | 2015-02-09 | 2018-01-02 | 浙江大学 | A kind of electro-hydraulic electricity generation system of electro-hydraulic generator and wind-force |
| WO2019242370A1 (en) * | 2018-06-20 | 2019-12-26 | 合肥创源车辆控制技术有限公司 | Continuously variable transmission |
| CN110067855A (en) * | 2019-03-13 | 2019-07-30 | 钟彪 | A kind of hydraulic stepless speed change transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20170120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |