CN201152357Y - Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator - Google Patents
Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator Download PDFInfo
- Publication number
- CN201152357Y CN201152357Y CNU2007200994879U CN200720099487U CN201152357Y CN 201152357 Y CN201152357 Y CN 201152357Y CN U2007200994879 U CNU2007200994879 U CN U2007200994879U CN 200720099487 U CN200720099487 U CN 200720099487U CN 201152357 Y CN201152357 Y CN 201152357Y
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- hydraulic
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Abstract
The utility model relates to an automatic shift speed changing device of a transmission engineering mechanism of the hydraulic machinery. The device includes an electro hydraulic shift speed changing device, an electric engine, a microcomputer controller, an electric engine controller, a gearbox output revolution speed sensor, a shift handle switch, a shift mode selecting switch, a brake pressure switch and an automatic mode direction switch; the electric engine controller communicates with the microcomputer controller; the gearbox output revolution speed sensor, the torque converter turbine speed sensor, the shift handle switch, the shift mode selecting switch, the brake pressure switch and the automatic mode direction switch input signals into the input port of the microcomputer controller, and the microcomputer controller inputs the control signals into a gearbox control module through other output ports. When microcomputer control software is added, the two shift schedules are combined, to balance the economy, the power and the practicality, and reach the energy-saving aim; the automatic shift can improve the working efficiency of the engineering mechanism, save the working time, reduce the work intensity of the driver, and adapt to different working conditions.
Description
Technical field
The utility model belongs to a kind of hydraulic-mechanical transmission engineering machinery, particularly a kind of hydraulic-mechanical transmission engineering machinery automatic shifting speed variator.
Background technique
Portable engineering machinery such as present known loader is in order to improve the adaptive capacity to external load, main transmission adopts the hydraulic machine type of belt drive usually, the power of its internal-combustion engine by fluid torque converter and speed changer, finally drives the traveller (ransaxle and tire system) of complete machine.But the transmission efficiency of hydraulic machine transmission is lower, and when especially running into heavy duty and needing output more high-power, the transmission efficiency of fluid torque converter declines to a great extent on the contrary, even is reduced to zero, and it reduces operating efficiency, has caused the waste of the energy.The energy of waste makes oily temperature rise, brings the deterioration of hydraulic work system environment, causes the rising of rate of fault.The situation that the hydraulic transmission system transmission efficiency is low can be by increasing the gear number of power-shift transmission, and adopt efficiently that 3 element torque-converters solve, still, gear number increase the intensity that has also increased driver's gear shift operation simultaneously.
Summary of the invention
The utility model provides a kind of hydraulic-mechanical transmission engineering machinery automatic shifting speed variator for solving the technical problem that exists in the known technology.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: it includes electric liquid power-shift gear box and electric-control motor, and it also includes microcomputer controller, electric-control motor controller, gearbox output speed sensor, shift handle switch, gearshift mode selection switch, automatic mode direction switch and retardation pressure switch; The electric-control motor controller is engine speed and gas pedal opening information, and the PORT COM by microcomputer controller is input to microcomputer controller; Gearbox output speed sensor, shift handle, gearshift mode selection switch, retardation pressure switch and automatic mode direction switch are input to the input port of microcomputer controller with its signal, and microcomputer controller then is input to control signal on the gearbox control module in the electric liquid power-shift gear box by its output port.
The utility model can also adopt following technological scheme:
It also includes the torque-converters turbine speed sensor; The torque-converters turbine speed sensor is input to its signal the input port of microcomputer controller.
It also includes starting relay, and the output terminal of microcomputer controller links to each other with starting relay.
It also includes brake power and cuts off switch, and brake power cuts off switch will select the input end that the signal of power cut function is input to microcomputer controller.
Advantage and the good effect that the utlity model has are: the microcomputerized control software application can realized the self shifter of hydraudynamic drive engineering machinery later in the utility model, thereby:
1. can reduce to 1 retaining automatically when self-shifting application makes engineering machinery work, improve working efficiency, save the time, reduce driver's gearshift labor intensity.
2. increased and opened the car protective function, played the protection starting electrical machinery, prevented from that engineering machinery from putting into gear to open the effect of car, improved Security.
3. engineering machinery changes the direction process and has increased speed limit, has played the effect of protection speed changer.
4. realized steadily self shifter fast.
5. adopt different gearshift patterns, can adapt to different operating modes.
Description of drawings
The intelligence controlling device block diagram that Fig. 1 the utility model is used on loader.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify the following embodiment who has the electric liquid power-shift gear box of electric-control motor now, and conjunction with figs. is described in detail as follows:
As shown in Figure 1, this device includes electric liquid power-shift gear box, microcomputer controller, electric-control motor controller, gearbox output speed sensor, the torque-converters turbine speed sensor (velocity ratio of also available each gear of gearbox, calculate to obtain the torque-converters secondary speed by the gearbox output speed, thereby omit this sensor), shift handle switch, gearshift mode selection switch, automatic mode direction switch, retardation pressure switch, starting relay, brake power cut off switch.Electric-control motor controller and microcomputer controller carry out communication, both microcomputer controller obtained engine speed from the electric-control motor controller, the signal of gas pedal aperture, microcomputer controller sends the engine speed control signal to the electric-control motor controller.Gearbox output speed sensor, torque-converters turbine speed sensor, shift handle switch, gearshift mode selection switch, automatic mode direction switch and retardation pressure switch, its signal is input to the input port of microcomputer controller; Microcomputer controller then is input to control signal on the gearbox control module in starting relay and the electric liquid power-shift gear box by its output port.
Claims (4)
1. hydraulic-mechanical transmission engineering machinery automatic shifting speed variator, it includes electric liquid power-shift gear box and electric-control motor, it is characterized in that: further comprising microcomputer controller is arranged, electric-control motor controller, gearbox output speed sensor, shift handle switch, gearshift mode selection switch, automatic mode direction switch and retardation pressure switch; The electric-control motor controller is engine speed and gas pedal opening information, and the PORT COM by microcomputer controller is input to microcomputer controller; Gearbox output speed sensor, shift handle, gearshift mode selection switch, retardation pressure switch and automatic mode direction switch are input to the input port of microcomputer controller with its signal, and microcomputer controller then is input to control signal on the gearbox control module in the electric liquid power-shift gear box by its output port.
2. hydraulic-mechanical transmission engineering machinery automatic shifting speed variator according to claim 1, it is characterized in that: further comprising has the torque-converters turbine speed sensor; The torque-converters turbine speed sensor is input to its signal the input port of microcomputer controller.
3. hydraulic-mechanical transmission engineering machinery automatic shifting speed variator according to claim 1 and 2, it is characterized in that: further comprising has starting relay, and the output terminal of microcomputer controller links to each other with starting relay.
4. hydraulic-mechanical transmission engineering machinery automatic shifting speed variator according to claim 1 and 2, it is characterized in that: further comprising has brake power to cut off switch, and brake power cuts off switch will select the input end that the signal of power cut function is input to microcomputer controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200994879U CN201152357Y (en) | 2007-12-28 | 2007-12-28 | Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200994879U CN201152357Y (en) | 2007-12-28 | 2007-12-28 | Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152357Y true CN201152357Y (en) | 2008-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200994879U Expired - Fee Related CN201152357Y (en) | 2007-12-28 | 2007-12-28 | Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201152357Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216101B (en) * | 2007-12-28 | 2010-09-08 | 天津工程机械研究院 | Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator and control method |
| CN102425660A (en) * | 2011-11-16 | 2012-04-25 | 山推工程机械股份有限公司 | Gear shifting control method and controller applied to engineering machinery |
| CN103661169A (en) * | 2013-12-19 | 2014-03-26 | 贵州凯星液力传动机械有限公司 | Engine and transmission accelerator linkage connector controller for track car |
| CN106545647A (en) * | 2016-03-07 | 2017-03-29 | 徐工集团工程机械有限公司 | A kind of engineering machinery hydraulic power velocity stagess system and control method |
| CN110847277A (en) * | 2019-12-19 | 2020-02-28 | 天津工程机械研究院有限公司 | Intelligent switching system and control method for power mode of loader engine |
-
2007
- 2007-12-28 CN CNU2007200994879U patent/CN201152357Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101216101B (en) * | 2007-12-28 | 2010-09-08 | 天津工程机械研究院 | Hydraulic-mechanical transmission engineering machinery automatic shifting speed variator and control method |
| CN102425660A (en) * | 2011-11-16 | 2012-04-25 | 山推工程机械股份有限公司 | Gear shifting control method and controller applied to engineering machinery |
| CN102425660B (en) * | 2011-11-16 | 2014-12-10 | 山推工程机械股份有限公司 | Gear shifting control method and controller applied to engineering machinery |
| CN103661169A (en) * | 2013-12-19 | 2014-03-26 | 贵州凯星液力传动机械有限公司 | Engine and transmission accelerator linkage connector controller for track car |
| CN103661169B (en) * | 2013-12-19 | 2016-05-18 | 贵州凯星液力传动机械有限公司 | The throttle linkage interface controller of a kind of track vehicular engine and speed changer |
| CN106545647A (en) * | 2016-03-07 | 2017-03-29 | 徐工集团工程机械有限公司 | A kind of engineering machinery hydraulic power velocity stagess system and control method |
| CN106545647B (en) * | 2016-03-07 | 2018-10-16 | 徐工集团工程机械有限公司 | A kind of engineering machinery hydraulic power velocity stages system and control method |
| CN110847277A (en) * | 2019-12-19 | 2020-02-28 | 天津工程机械研究院有限公司 | Intelligent switching system and control method for power mode of loader engine |
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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: 20081119 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |