CN104455389A - Electric-hydraulic actuating mechanism - Google Patents
Electric-hydraulic actuating mechanism Download PDFInfo
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- CN104455389A CN104455389A CN201410765480.0A CN201410765480A CN104455389A CN 104455389 A CN104455389 A CN 104455389A CN 201410765480 A CN201410765480 A CN 201410765480A CN 104455389 A CN104455389 A CN 104455389A
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- oil
- oil outlet
- solenoid valve
- inlet hole
- outlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/041—Ratio selector apparatus consisting of a final output mechanism, e.g. ratio selector being directly linked to a shiftfork
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention belongs to the technical field of electric-hydraulic actuating control, and provides an electric-hydraulic actuating mechanism. The electric-hydraulic actuating mechanism comprises a multichannel valve (3), a first electromagnetic valve (1) and a second electromagnetic valve (2), wherein the multichannel valve (3) takes an upper gearbox cover as the body. The upper gearbox cover is provided with a first oil inlet hole (6) and four oil outlet holes, wherein the first oil inlet hole (6) is communicated with an oil inlet pipeline of a gearbox, and the oil outlet holes correspond to wet clutches of the gearbox and are communicated with the same mutually through oil pipes. The first electromagnetic valve (1) and the second electromagnetic valve (2) are arranged on the upper surface of the upper gearbox cover and are three-position four-way valves; oil inlet holes of the first electromagnetic valve (1) and the second electromagnetic valve (2) are communicated with an oil channel, and oil outlet holes of the first electromagnetic valve (1) and the second electromagnetic valve (2) are communicated with the four oil outlet holes of the multichannel valve. The electric-hydraulic actuating mechanism improves transmission efficiency and has the advantages of attractive appearance, smoothness in operation and flexibility in reaction.
Description
Technical field
The invention belongs to electrically controlled and hydraulically and perform control technique field, relate generally to a kind of electric controlled hydraulic actuator.
Background technique
Existing various engineering mechanical formula gearshift controller, with flexible axle with the use of, be applied on the various engineering vehicle of national each large enterprise.As everyone knows, existing maneuverability pattern mostly is mechanical control device and controls, and steering force is delivered to controlled position by flexible axle, and the push-and-pull of flexible axle changes the spool position of multi-way valve on gearbox, controls internal oil passages trend, finally realizes the gear change of vehicle.
But there are following two kinds of problems in existing control system.The first, there is idle stroke in flexible axle and controller, although idle stroke improves to some extent after processing technology, due to the inherent characteristic of flexible axle, improves degree still limited.The second, mechanical manipulator owing to being by mechanical transmission and moment of torsion, transmission efficiency by the impact of transfer mode and flexible axle arrangement mode, the often not high and problem such as bring steering force heavy of efficiency.And relative to Effector, its core competitiveness is just how to reduce idle stroke and steering force.Although idle stroke and steering force still have the space of lifting, consider cost input, Technical investment, human input etc., the meaning of lifting is not very large.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to propose a kind of electric controlled hydraulic actuator.
The present invention adopts following technological scheme for completing above-mentioned purpose:
A kind of electric controlled hydraulic actuator, described electric controlled hydraulic actuator includes multichannel valve body, in order to carry out the solenoid valve I that commutates and the solenoid valve II in order to carry out speed change; Described multichannel valve body take upper cover of speed changing box as body, and the corresponding two ends of described upper cover of speed changing box have an oil inlet hole I and four oil outlets; Four oil outlets are respectively: oil outlet I, oil outlet II, oil outlet III and oil outlet IV; Described oil inlet hole I is connected with the in-line of gearbox by oil pump; Described oil outlet I, oil outlet II, oil outlet III and oil outlet IV respectively by oil pipe and gearbox four wet clutch one_to_one corresponding with Self-resetting function and be interconnected, four wet clutches with Self-resetting function respectively control valve bodies forward gear, retreat shelves, one grade and second gear; The lower surface of described upper cover of speed changing box has the oil groove arranged perpendicular to oil inlet hole I, and the oil groove described in correspondence is provided with the oil duct cover plate in order to sealing oil groove in the bottom of upper cover of speed changing box; Oil groove described in upper cover of speed changing box lower surface coordinates with oil duct cover plate and forms oil duct; The oil duct that oil duct cover plate and upper cover of speed changing box lower surface oil groove are formed is connected with described oil inlet hole I; Described solenoid valve I, solenoid valve II are arranged on the upper surface of described upper cover of speed changing box; Described solenoid valve I, solenoid valve II are three-position four-way valve; The oil inlet hole P of solenoid valve I, the oil inlet hole P ' of solenoid valve II lay respectively at the two ends of oil duct and are connected with oil duct; Oil outlet A, the oil outlet B of solenoid valve I are connected with described oil outlet I, oil outlet II respectively, by the action of control unit ECU Controlling solenoid valve I inner valve body make control forward gear, retreat shelves clutch combine, be separated, realize the advance of vehicle, retrogressing and in stop; Solenoid valve II oil outlet A ', oil outlet B ' are connected with described oil outlet III, oil outlet IV respectively; Make that control one keeps off by the action of control unit ECU Controlling solenoid valve II inner valve body, the clutch of second gear combine, be separated, realize vehicle in advance gear, the speed change retreating gear; During use, shift signal is sent into control unit ECU by operating grip, then the valve block action of control unit ECU Controlling solenoid valve I, solenoid valve II, make four clutches be communicated with oil outlet I, oil outlet II, oil outlet III and oil outlet IV combine, be separated, realize electrically controlled and hydraulically shift control mechanism slow astern shelves, retreat second gear, neutral gear, advance one grade and advance second gear action switch.
The upper surface of described upper cover of speed changing box has the oilhole of two groups of corresponding solenoid valves I of difference, solenoid valves II setting, often organizes described oilhole and includes oil inlet hole II, spill port, oil outlet V and oil outlet VI; Wherein, described oil inlet hole II, spill port are through hole; Described oil outlet V and oil outlet VI are blind hole; The described oil inlet hole II of two groups of oilholes is connected with the described oil duct on upper cover of speed changing box respectively, and the oil inlet hole P of corresponding solenoid valve I, the oil inlet hole P ' of solenoid valve II are arranged respectively; The spill port T of corresponding solenoid valve I, the spill port T ' of solenoid valve II are arranged the described spill port of two groups of oilholes respectively; The oil outlet A of corresponding solenoid valve I, the oil outlet A ' of solenoid valve II are arranged the oil outlet V of two groups of oilholes respectively; The oil outlet B of corresponding solenoid valve I, the oil outlet B ' of solenoid valve II are arranged the oil outlet VI of two groups of oilholes respectively.
Sealing gasket is provided with between described oil duct cover plate and upper cover of speed changing box.
A kind of electrically controlled and hydraulically shift control mechanism that the present invention proposes, adopt the design of multi-way valve internal oil passages, by two three-position four-way valve oil circuit controls, achieve the shift control of vehicle, solve the easy generation gear shift problem not in place in mechanical type gearshift control, improve the working life of speed changer; Oil groove increased by gearbox and ensures the complete, unobstructed of whole oil circuit by sealing gasket and oil duct cover plate and sealing, finally realizing shift control and perform, there is beautiful shape, handle smooth and easy, sensitive feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of multi-way valve body and oil circuit in invention.
Fig. 4 is the inverse layer structure schematic diagram of multi-way valve body in the present invention.
Fig. 5 is the schematic diagram of oil duct cover plate in the present invention.
In figure: 1, solenoid valve I, 2, solenoid valve II, 3, multichannel valve body, 4, sealing gasket, 5, oil duct cover plate, 6, filler opening I, 7, oil outlet I, 8, oil outlet II, 9, oil outlet III 10, oil outlet IV, 11, filler opening II, 12, return opening, 13, oil outlet V, 14, oil outlet VI, 15, oil groove.
Embodiment
Implement to be illustrated the present invention by reference to the accompanying drawings and specifically, but be not construed as limiting the invention:
As shown in Figure 1 and Figure 2, a kind of electric controlled hydraulic actuator, described electric controlled hydraulic actuator includes multichannel valve body 3, in order to carry out the solenoid valve I 1 that commutates and the solenoid valve II 2 in order to carry out speed change; Described multichannel valve body 3 take upper cover of speed changing box as body, and the corresponding two ends of described upper cover of speed changing box have an oil inlet hole I 6 and four oil outlets; Four oil outlets are respectively: oil outlet I 7, oil outlet II 8, oil outlet III 9 and oil outlet IV 10; Described oil inlet hole I 6 is connected with the in-line of gearbox by oil pump; Described oil outlet I 7, oil outlet II 8, oil outlet III 9 and oil outlet IV 10 respectively by oil pipe and gearbox four wet clutch one_to_one corresponding with Self-resetting function and be interconnected, four wet clutches with Self-resetting function respectively control valve bodies forward gear, retreat shelves, one grade and second gear; The lower surface of described upper cover of speed changing box has the oil groove 15 arranged perpendicular to oil inlet hole I 6, and the oil groove 15 described in correspondence is provided with the oil duct cover plate 5 in order to sealing oil groove in the bottom of upper cover of speed changing box; Oil groove 15 described in upper cover of speed changing box lower surface coordinates with oil duct cover plate 5 and forms oil duct; Sealing gasket 4 is provided with between described oil duct cover plate 5 and upper cover of speed changing box; Described oil groove 15 to be compressed by oil duct pressing plate 5 and fastening after sealing gasket 4 seals, and ensure that integrity and the sealing of oil circuit; The oil duct that oil duct cover plate 5 and upper cover of speed changing box lower surface oil groove 15 are formed is connected with described oil inlet hole I 6; Described solenoid valve I 1, solenoid valve II 2 are arranged on the upper surface of described upper cover of speed changing box; Described solenoid valve I 1, solenoid valve II 2 are three-position four-way valve; The oil inlet hole P of solenoid valve I 1, the oil inlet hole P ' of solenoid valve II lay respectively at the two ends of oil duct and are connected with oil duct; Oil outlet A, the oil outlet B of solenoid valve I 1 are connected with described oil outlet I 7, oil outlet II 8 respectively, by the action of control unit ECU Controlling solenoid valve I 1 inner valve body make control forward gear, retreat shelves clutch combine, be separated, realize the advance of vehicle, retrogressing and in stop; Solenoid valve II 2 oil outlet A ', oil outlet B ' are connected with described oil outlet III 9, oil outlet IV 10 respectively; Make that control one keeps off by the action of control unit ECU Controlling solenoid valve II 2 inner valve body, the clutch of second gear combine, be separated, realize vehicle in advance gear, the speed change retreating gear; During use, shift signal is sent into control unit ECU by operating grip, then the valve block action of control unit ECU Controlling solenoid valve I 1, solenoid valve II 2, make four clutches be communicated with oil outlet I 7, oil outlet II 8, oil outlet III 9 and oil outlet IV 10 combine, be separated, realize electrically controlled and hydraulically shift control mechanism slow astern shelves, retreat second gear, neutral gear, advance one grade and advance second gear action switch.
The upper surface of described upper cover of speed changing box has the oilhole of two groups of corresponding solenoid valves I 1 of difference, solenoid valves II 2 setting, often organizes described oilhole and includes oil inlet hole II 11, spill port 12, oil outlet V 13 and oil outlet VI 14; Wherein, described oil inlet hole II 11, spill port 12 are through hole; Described oil outlet V 13 and oil outlet VI 14 are blind hole; The described oil inlet hole II 11 of two groups of oilholes is connected with the described oil duct on upper cover of speed changing box respectively, and the oil inlet hole P of corresponding solenoid valve I 1, the oil inlet hole P ' of solenoid valve II are arranged respectively; The spill port T of corresponding solenoid valve I 1, the spill port T ' of solenoid valve II 2 are arranged the described spill port 12 of two groups of oilholes respectively; The oil outlet A of corresponding solenoid valve I 1, the oil outlet A ' of solenoid valve II 2 are arranged the oil outlet V 13 of two groups of oilholes respectively; The oil outlet B of corresponding solenoid valve I 1, the oil outlet B ' of solenoid valve II 2 are arranged the oil outlet VI 14 of two groups of oilholes respectively.
The present invention in use, when operating grip is positioned at neutral gear, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1, solenoid valve II 2, the valve block of solenoid valve I 1, solenoid valve II 2 is all positioned at middle part, now, the oil inlet P of solenoid valve I 1 is connected with filler opening I 6, and oil return inlet T is connected with filler opening B with filler opening A, oil return inlet T;
When operating grip is positioned at forward gears, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1, the A coil of solenoid valve I 1 obtains electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet A of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet B; Hydraulic oil provides hydraulic oil through oil outlet A for the clutch controlling forward gear in transformer by filler opening I 6, oil inlet P, and the clutch of control forward gear is combined, and makes vehicle perform forward gears action; With the clutch separation of Self-resetting function, hydraulic oil gets back to fuel tank along filler opening I 6, oil return inlet T, spill port 12;
When operating grip is positioned at advance 1 grade, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1 and solenoid valve II 2, the A coil of solenoid valve I 1, the A coil of solenoid valve II 2 all electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet A of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet B; The oil inlet P of solenoid valve II 2 ' be connected with the oil outlet A ' of filler opening III 9, solenoid valve II 2, oil return inlet T ' be connected with oil outlet B '; Hydraulic oil is by filler opening I 6, filler opening III 9, oil inlet P, oil inlet P ' through oil outlet A, oil outlet A ' for the clutch controlling forward gear and 1 grade in transformer provides hydraulic oil respectively, the clutch of control forward gear and one grade is all combined, makes vehicle perform advance 1 grade of action; With the clutch separation of Self-resetting function, hydraulic oil is along filler opening I 6, filler opening III 9, oil return inlet T, oil return inlet T ', spill port 12 gets back to fuel tank;
When operating grip is positioned at advance 2 grades, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1 and solenoid valve II 2, the A coil of solenoid valve I 1, the B coil of solenoid valve II 2 all electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet A of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet B; The oil inlet P of solenoid valve II 2 ' be connected with the oil outlet B ' of filler opening IV 10, solenoid valve II 2, oil return inlet T ' be connected with oil outlet A '; Hydraulic oil is by filler opening I 6, filler opening IV 10, oil inlet P, oil inlet P ' through oil outlet A, oil outlet B ' for the clutch controlling forward gear and 2 grades in transformer provides hydraulic oil respectively, the clutch of control forward gear and 2 grades is all combined, makes vehicle perform advance 2 grades of actions; With the clutch separation of Self-resetting function, hydraulic oil is along filler opening I 6, filler opening IV 10, oil return inlet T, oil return inlet T ', spill port 12 gets back to fuel tank;
When operating grip is positioned at retrogressing shelves, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1, the B coil of solenoid valve I 1 obtains electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet B of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet A; Hydraulic oil provides hydraulic oil through oil outlet B for the clutch controlling to retreat gear in transformer by filler opening I 6, oil inlet P, and the clutch of control forward gear is combined, and vehicle is performed and retreats shelves action; With the clutch separation of Self-resetting function, hydraulic oil gets back to fuel tank along filler opening I 6, oil return inlet T, spill port 12;
When operating grip is positioned at retrogressing 1 grade, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1 and solenoid valve II 2, the B coil of solenoid valve I 1, the A coil of solenoid valve II 2 all electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet B of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet B; The oil inlet P of solenoid valve II 2 ' be connected with the oil outlet A ' of filler opening III 9, solenoid valve II 2, oil return inlet T ' be connected with oil outlet B '; Hydraulic oil is by filler opening I 6, filler opening III 9, oil inlet P, oil inlet P ' through oil outlet B, oil outlet A ' for controlling in transformer to retreat gear and the clutch of 1 grade provides hydraulic oil respectively, the clutch of control forward gear and one grade is all combined, makes vehicle perform retrogressing 1 grade of action; With the clutch separation of Self-resetting function, hydraulic oil is along filler opening I 6, filler opening III 9, oil return inlet T, oil return inlet T ', spill port 12 gets back to fuel tank;
When operating grip is positioned at retrogressing 2 grades, shift signal is sent into control unit ECU by operating grip, then control unit ECU sends control signal to solenoid valve I 1 and solenoid valve II 2, the B coil of solenoid valve I 1, the B coil of solenoid valve II 2 all electric, the oil inlet P of solenoid valve I 1 is connected with the oil outlet B of filler opening I 6, solenoid valve I 1, and oil return inlet T is connected with oil outlet A; The oil inlet P of solenoid valve II 2 ' be connected with the oil outlet B ' of filler opening IV 10, solenoid valve II 2, oil return inlet T ' be connected with oil outlet A '; Hydraulic oil is by filler opening I 6, filler opening IV 10, oil inlet P, oil inlet P ' through oil outlet B, oil outlet B ' for controlling in transformer to retreat gear and the clutch of 2 grades provides hydraulic oil respectively, the clutch of control forward gear and 2 grades is all combined, makes vehicle perform retrogressing 2 grades of actions; With the clutch separation of Self-resetting function, hydraulic oil is along filler opening I 6, filler opening IV 10, oil return inlet T, oil return inlet T ', spill port 12 gets back to fuel tank.
Claims (3)
1. an electric controlled hydraulic actuator, is characterized in that: described electric controlled hydraulic actuator includes multichannel valve body (3), in order to carry out the solenoid valve I (1) that commutates and the solenoid valve II (2) in order to carry out speed change; Described multichannel valve body (3) take upper cover of speed changing box as body, and the corresponding two ends of described upper cover of speed changing box have an oil inlet hole I (6) and four oil outlets; Four oil outlets are respectively: oil outlet I (7), oil outlet II (8), oil outlet III (9) and oil outlet IV (10); Described oil inlet hole I (6) is connected with the in-line of gearbox by oil pump; Described oil outlet I (7), oil outlet II (8), oil outlet III (9) and oil outlet IV (10) respectively by oil pipe and gearbox four wet clutch one_to_one corresponding with Self-resetting function and be interconnected, four wet clutches with Self-resetting function respectively control valve bodies forward gear, retreat shelves, one grade and second gear; The lower surface of described upper cover of speed changing box has the oil groove (15) arranged perpendicular to oil inlet hole I (6), and the oil groove (15) described in correspondence is provided with the oil duct cover plate (5) in order to sealing oil groove in the bottom of upper cover of speed changing box; Oil groove (15) described in upper cover of speed changing box lower surface coordinates with oil duct cover plate (5) and forms oil duct; The oil duct that oil duct cover plate (5) and upper cover of speed changing box lower surface oil groove (15) are formed is connected with described oil inlet hole I (6); Described solenoid valve I (1), solenoid valve II (2) are arranged on the upper surface of described upper cover of speed changing box; Described solenoid valve I (1), solenoid valve II (2) are three-position four-way valve; The oil inlet hole P of solenoid valve I (1), the oil inlet hole P ' of solenoid valve II lay respectively at the two ends of oil duct and are connected with oil duct; Oil outlet A, the oil outlet B of solenoid valve I (1) are connected with described oil outlet I (7), oil outlet II (8) respectively, by control unit ECU Controlling solenoid valve I (1) inner valve body action make control forward gear, retreat shelves clutch combine, be separated, realize the advance of vehicle, retrogressing and in stop; Solenoid valve II (2) oil outlet A ', oil outlet B ' are connected with described oil outlet III (9), oil outlet IV (10) respectively; Make that control one keeps off by control unit ECU Controlling solenoid valve II (2) inner valve body action, the clutch of second gear combine, be separated, realize vehicle in advance gear, the speed change retreating gear; During use, shift signal is sent into control unit ECU by operating grip, then the valve block action of control unit ECU Controlling solenoid valve I (1), solenoid valve II (2), make four clutches be communicated with oil outlet I (7), oil outlet II (8), oil outlet III (9) and oil outlet IV (10) combine, be separated, realize electrically controlled and hydraulically shift control mechanism slow astern shelves, retreat second gear, neutral gear, advance one grade and advance second gear action switch.
2. a kind of electric controlled hydraulic actuator according to claim 1, it is characterized in that: the upper surface of described upper cover of speed changing box has the oilhole that two groups are distinguished corresponding solenoid valve I (1), solenoid valves II (2) are arranged, and often organizes described oilhole and includes oil inlet hole II (11), spill port (12), oil outlet V (1(3)) and oil outlet VI (14); Wherein, described oil inlet hole II (11), spill port (12) are through hole; Described oil outlet V (1(3)) and oil outlet VI (14) be blind hole; The described oil inlet hole II (11) of two groups of oilholes is connected with the described oil duct on upper cover of speed changing box respectively, and the oil inlet hole P of corresponding solenoid valve I (1), the oil inlet hole P ' of solenoid valve II are arranged respectively; The spill port T of corresponding solenoid valve I (1), the spill port T ' of solenoid valve II (2) are arranged the described spill port (12) of two groups of oilholes respectively; The oil outlet V (1(3) of two groups of oilholes) the oil outlet A of corresponding solenoid valve I (1), the oil outlet A ' of solenoid valve II (2) are arranged respectively; The oil outlet B of corresponding solenoid valve I (1), the oil outlet B ' of solenoid valve II (2) are arranged the oil outlet VI (14) of two groups of oilholes respectively.
3. a kind of electric controlled hydraulic actuator according to claim 1, is characterized in that: be provided with sealing gasket (4) between described oil duct cover plate (5) and upper cover of speed changing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765480.0A CN104455389B (en) | 2014-12-15 | 2014-12-15 | Electric-hydraulic actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765480.0A CN104455389B (en) | 2014-12-15 | 2014-12-15 | Electric-hydraulic actuating mechanism |
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| Publication Number | Publication Date |
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| CN104455389A true CN104455389A (en) | 2015-03-25 |
| CN104455389B CN104455389B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410765480.0A Active CN104455389B (en) | 2014-12-15 | 2014-12-15 | Electric-hydraulic actuating mechanism |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971964Y (en) * | 2006-11-26 | 2007-11-07 | 奇瑞汽车有限公司 | Valve of shift gear execution mechanism of vehicle gearbox |
| CN101307829A (en) * | 2008-06-26 | 2008-11-19 | 上海汽车变速器有限公司 | Automatic mechanical type manual speed-changer gearshift |
| CN101725705A (en) * | 2009-12-15 | 2010-06-09 | 重庆青山工业有限责任公司 | Double-clutch speed changer integrated control module |
| US20110308649A1 (en) * | 2010-06-22 | 2011-12-22 | Aisin Aw Co., Ltd. | Hydraulic circuit device |
| CN203098829U (en) * | 2012-12-19 | 2013-07-31 | 天津柳工机械有限公司 | Electric-hydraulic reversing speed change actuator |
-
2014
- 2014-12-15 CN CN201410765480.0A patent/CN104455389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200971964Y (en) * | 2006-11-26 | 2007-11-07 | 奇瑞汽车有限公司 | Valve of shift gear execution mechanism of vehicle gearbox |
| CN101307829A (en) * | 2008-06-26 | 2008-11-19 | 上海汽车变速器有限公司 | Automatic mechanical type manual speed-changer gearshift |
| CN101725705A (en) * | 2009-12-15 | 2010-06-09 | 重庆青山工业有限责任公司 | Double-clutch speed changer integrated control module |
| US20110308649A1 (en) * | 2010-06-22 | 2011-12-22 | Aisin Aw Co., Ltd. | Hydraulic circuit device |
| CN203098829U (en) * | 2012-12-19 | 2013-07-31 | 天津柳工机械有限公司 | Electric-hydraulic reversing speed change actuator |
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| Publication number | Publication date |
|---|---|
| CN104455389B (en) | 2017-02-01 |
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