CN204828634U - Fender position hydraulic control system of gearbox - Google Patents
Fender position hydraulic control system of gearbox Download PDFInfo
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- CN204828634U CN204828634U CN201520560869.1U CN201520560869U CN204828634U CN 204828634 U CN204828634 U CN 204828634U CN 201520560869 U CN201520560869 U CN 201520560869U CN 204828634 U CN204828634 U CN 204828634U
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- control system
- selector
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Abstract
The utility model discloses a fender position hydraulic control system of gearbox, including pneumatic cylinder, switching -over valve system, control valve, pressure valve system and valve door control system, the pneumatic cylinder has at least threely, and every pneumatic cylinder has two piston chambeies, and a plurality of piston chambeies are connected with a plurality of fender bit synchronization ware one -to -ones of gearbox, the switching -over valve system has three first work position at least, and first work position is connected with the pneumatic cylinder one -to -one, and wherein, two oil -outs of first work position are continuous with two piston chamber one -to -ones of pneumatic cylinder respectively, the control valve has two at least second work positions, and the oil -out of control valve is connected with the oil inlet of switching -over valve system, the pressure valve system has two at least first solenoid valves, and the oil -out of two first solenoid valves is connected with two oil inlet one -to -ones of control valve respectively, valve door control system for switch the work position of control switching -over valve system, control valve and pressure valve system.
Description
Technical field
The utility model relates to automotive engineering, is specifically related to a kind of shifting position hydraulic control system of gearbox.
Background technique
Along with the fast development of automotive engineering, automatic transmission case obtains using more and more widely.General, automatic transmission case completes the switching of each gear by hydraulic control system.
Fig. 1 is the hydraulic diagram of the shifting position hydraulic control system of automatic transmission case in prior art, as shown in Figure 1, be divided into two from oil pump (not shown) oil circuit out, arbitrary oil circuit is after continuously across multiple solenoid valve and hydrovalve, final one be divided into four, to be connected with four piston cavity of two oil hydraulic cylinders respectively again.Eight piston cavity of two oil circuits respectively with eight gear one_to_one corresponding of automobile.The control logic of this shifting position hydraulic control system is: worked by the different operating position of control command Controlling solenoid valve and hydrovalve, by different control commands, the oil circuit of oil pump can be made finally can only to lead to some piston cavity, and the oil circuit going to other piston cavity is in closed condition.
The deficiencies in the prior art part is, control command is software section, there is the Potential feasibility made a mistake, when the control command of mistake make above-mentioned from oil pump two oil circuits conducting simultaneously out time, two piston cavity will be made to obtain hydraulic coupling simultaneously, now, two gears of gearbox will engage simultaneously, and gearbox self interference will occur and even damages.As can be seen here, shifting position hydraulic control system of the prior art has potential potential safety hazard.
Model utility content
The purpose of this utility model is to provide a kind of shifting position hydraulic control system of gearbox, to solve security hidden trouble potential in prior art.
To achieve these goals, the utility model provides following technological scheme:
A shifting position hydraulic control system for gearbox, comprising:
Oil hydraulic cylinder, at least three, each described oil hydraulic cylinder has two piston cavity, and multiple gear synchronizers of multiple described piston cavity and described gearbox connect one to one;
Selector valve system, it has at least three the first working positions, and described first working position and oil hydraulic cylinder connect one to one, and wherein, two oil outlets of described first working position are connected with two piston cavity one_to_one corresponding of described oil hydraulic cylinder respectively;
Control valve, described control valve has at least two the second working positions, and the oil outlet of described control valve is connected with the filler opening of described selector valve system;
Pressure valve system, it has at least two the first solenoid valves, and the oil outlet of two the first solenoid valves connects one to one with two filler openings of described control valve respectively;
Valve control system, switches for the working position controlling described selector valve system, control valve and described pressure valve system.
Above-mentioned shifting position hydraulic control system, described first working position and described oil hydraulic cylinder are four, and described selector valve system comprises two the first two eight logical valves, and four working positions of two described the first two eight logical valves are four described first working positions.
Above-mentioned shifting position hydraulic control system, described control valve is the second two eight logical valves, and the filler opening of the oil outlet of described the second two eight logical valve two working positions the first two eight logical valves described with two is respectively corresponding to be connected.
Above-mentioned shifting position hydraulic control system, described control valve and described selector valve system are solenoid valve, and described valve control system controls to comprise the first control module, and the working position that described first control module controls described solenoid valve switches.
Above-mentioned shifting position hydraulic control system, described the first two eight logical valves are hydrovalve, described valve control system controls to comprise the second control module and the second solenoid valve, described second control module controls described second solenoid valve, and the oil outlet of described second solenoid valve to connect described at least one the oil circuit control of the first two eight logical valves.
Above-mentioned shifting position hydraulic control system, the oil circuit controls of the oil outlet of described second solenoid valve the first two eight logical valves described with two are simultaneously connected.
Above-mentioned shifting position hydraulic control system, the oil outlet of described second solenoid valve is connected with the oil circuit controls of two described the second two eight logical valves.
Above-mentioned shifting position hydraulic control system, the filler opening of described second solenoid valve and the filler opening of described first solenoid valve are by same oil circuit oil-feed.
In technique scheme, the shifting position hydraulic control system that the utility model provides, multiple working position of selector valve system and multiple oil hydraulic cylinder one_to_one corresponding, control valve is selector valve system fuel feeding, pressure valve system is control valve fuel feeding, and the working position that valve control system controls selector valve system, control valve and pressure valve system switches.Due to the mechanical property of valve, in the same time, control valve can only have a working position job, it also just can only to of a selector valve system working position fuel feeding, namely no matter which kind of control command valve control system assigns, two of selector valve system working positions all can not be made to work simultaneously, namely gearbox can not have two gears to be hung up simultaneously, thereby eliminates potential potential safety hazard of the prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the hydraulic diagram of the shifting position hydraulic control system of automatic transmission case in prior art;
The hydraulic diagram of the shifting position hydraulic control system of the gearbox that Fig. 2 provides for the utility model embodiment.
Description of reference numerals:
1, oil hydraulic cylinder; 2, selector valve system; 3, control valve; 4, pressure valve system; 5, valve control system; 6, oil pump.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
In the present embodiment, connect one to one when referring to multiple A to multiple B, A and B matches one by one, and an A connects a B, and as three the first working positions and three oil hydraulic cylinders connect one to one, namely a working position connects an oil hydraulic cylinder, and other by that analogy." first ", " second " in the present embodiment is only convenient differentiation when describing and limits, but not limits its concrete structure, if the first solenoid valve and the second solenoid valve are likely hardware, the identical solenoid valve of software.
As shown in Figure 2, the shifting position hydraulic control system of a kind of gearbox that the utility model embodiment provides, comprise oil hydraulic cylinder 1, selector valve system 2, control valve 3, pressure valve system 4 and valve control system 5, oil hydraulic cylinder 1 has three at least, each oil hydraulic cylinder 1 has two piston cavity, and multiple gear synchronizers of multiple piston cavity and gearbox connect one to one; Selector valve system 2 has at least three the first working positions, and the first working position and oil hydraulic cylinder 1 connect one to one, and wherein, two oil outlets of the first working position are connected with two piston cavity one_to_one corresponding of oil hydraulic cylinder 1 respectively; Control valve 3 has at least two the second working positions, and the oil outlet of control valve 3 is connected with the filler opening of selector valve system 2; Pressure valve system 4 has at least two the first solenoid valves, and the oil outlet of two the first solenoid valves connects one to one with two filler openings of control valve 3 respectively; Valve control system 5, switches for the working position controlling selector valve system 2, control valve 3 and pressure valve system 4.
Concrete, piston cavity quantity number by how many decisions of automobile shift quantity, six piston cavity as corresponding in six gears, three oil hydraulic cylinders 1; Eight corresponding eight piston cavity of gear, four oil hydraulic cylinders 1; Be also be four oil hydraulic cylinders 1 when gear is seven, one of them piston cavity is vacant, and other by that analogy.The working position of the valve that the working position of selector valve system 2 refers to, as two-position three-way valve has two working positions, three position five-way valve has three working positions etc.In the present embodiment, the valve of selector valve system 2 can be solenoid valve, also can be hydrovalve, quantity can be one, also can be multiple, only need to ensure that its first working position is consistent with the quantity of oil hydraulic cylinder 1, as in fig. 2, oil hydraulic cylinder 1 quantity has four, and selector valve system 2 has two two five-way hydrovalves, just four the first working positions, corresponding four four oil hydraulic cylinders 1 respectively, each oil hydraulic cylinder 1 has two piston cavity, and each first working position has two oil outlets, and an oil outlet connects a piston cavity.
Control valve 3 only has one, and it can be solenoid valve, also can be hydrovalve, and its oil outlet connects the filler opening of selector valve system 2, and it is for selector valve system 2 fuel feeding.
Pressure valve system 4 has at least two the first solenoid valves, the filler opening of selector valve system 2 and control valve 3 and oil outlet are all two, and two oil outlets of arbitrary first working position of selector valve system 2 corresponding two piston cavity respectively, i.e. two gears of gearbox, when two filler openings of control valve 3 are respectively by two the first solenoid valves fuel feeding respectively, when valve control system 5 controls a fuel feeding in two the first solenoid valves, follow-up selector valve system 2 and control valve 3 all only have a hydraulic fluid port in work, finally only having, a piston cavity is oil-filled, a gear of gearbox is suspended.
Connection between valve and oil hydraulic cylinder, the control etc. of valve working position are ripe mechanical technique, and the present embodiment does not repeat.
The shifting position hydraulic control system that the present embodiment provides, multiple work of selector valve system 2 are positioned at multiple oil hydraulic cylinder 1 one_to_one corresponding, control valve 3 is selector valve system 2 fuel feeding, pressure valve system 4 is control valve 3 fuel feeding, and the working position that valve control system 5 controls selector valve system 2, control valve 3 and pressure valve system 4 switches.Due to the mechanical property of valve, the single valve same time only has a working position to work, control valve 3 can only have a working position job, it also just can only to of a selector valve system 2 working position fuel feeding, namely no matter which kind of control command valve control system 5 assigns, two of selector valve system 2 working positions all can not be made to work, and namely gearbox can not have two gears to be hung up simultaneously, thereby eliminates potential potential safety hazard of the prior art simultaneously.
As shown in Figure 2, oil hydraulic cylinder 1 has four, selector valve system 2 comprises the first selector valve and the second selector valve, first selector valve and the second selector valve are eight logical mechanical slide valve, control valve 3 is also two eight logical mechanical slide valve, pressure valve system 4 comprises the first pressure valve and the second pressure valve, and valve control system 5 comprises the first autocontrol valve and the second autocontrol valve, and two pressure valve and two autocontrol valves are two-bit triplet solenoid valve.Concrete Placement is: the vent line one of oil pump 6 is divided into four, connect the filler opening of two pressure valve and two autocontrol valves respectively, wherein, the oil outlet of two pressure valve is connected with two filler openings of control valve 3 respectively, control valve 3 has two working positions, two oil outlets of each working position are corresponding with two filler openings of two selector valves respectively to be connected, four working positions corresponding four oil hydraulic cylinders 1 respectively of two selector valves, and the control oil duct of the oil outlet connection control valve 3 of the first autocontrol valve, the oil outlet of the second autocontrol valve is divided into two, be connected with the control oil duct of the second selector valve with the first selector valve simultaneously.
Hereafter describe and Fig. 2 in, P is filler opening, and B is oil outlet, and T is return opening, A for control oil duct, this for hydraulic pressure mark rule.In Fig. 2, the first selector valve is positioned at the left side of the second selector valve, and the first pressure valve is positioned at the left side of the second pressure valve, and the first autocontrol valve is positioned at the left side of the second autocontrol valve.
During work, gearbox fluid from oil sump, through filter, oil pump 6, add pressure electromagnetic valve after, form high pressure oil and be divided into four branch roads, arrive the oil inlet P of the first pressure valve respectively, the oil inlet P of the second pressure valve, the oil inlet P of the first autocontrol valve, the oil inlet P of the second autocontrol valve.
During 1 gear work, first pressure valve and the second autocontrol valve work, pressure oil arrives B from the oil inlet P of the second autocontrol valve work, then the right-hand member being communicated to the first selector valve controls mouth 1A, gear selector valve 1 is made to move to leftward position, oil inlet P 1 is communicated with oil outlet 1, oil inlet P 2 is communicated with oil outlet 3, first pressure valve work, pressure oil is through the first pressure valve, from oil inlet P, arrive oil outlet B, then the oil inlet P 1 of control valve 3 is arrived, then through control valve 3, arrive oil outlet B2, fluid flows to the oil inlet P 1 of the first selector valve again, oil outlet 1 is flow to finally by the first selector valve, the left side 1 finally entering 1/3 gear piston cavity keeps off piston cavity, promote 1/3 gear piston to move right, realize the joint of 1 gear synchronizer.
During 2 gear work, first pressure valve work, pressure oil is through the first pressure valve, oil outlet B is arrived from oil inlet P, then arrive the oil inlet P 1 of control valve 3, then arrive oil outlet B2 through control valve 3, fluid flows to the oil inlet P 1 of the first selector valve again, flow to oil outlet 2 by the first selector valve, the left side 2 finally entering 2/R gear piston cavity keeps off piston cavity; Promote 2/R gear piston to move right, realize the joint of 2 gear synchronizers.
During 3 gear work, second pressure valve and the second autocontrol valve work, second autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member being communicated to the first selector valve controls mouth A, make the left side working position work of the first selector valve, oil inlet P 1 is communicated with oil outlet 1, oil inlet P 2 is communicated with oil outlet 3, second pressure valve work, pressure oil is through the second pressure valve, oil outlet B is arrived from oil inlet P, then the oil inlet P 2 of control valve 3 is arrived, then oil outlet B4 is arrived through control valve 3, fluid flows to the oil inlet P 2 of the first selector valve again, oil outlet 3 is flow to by the first selector valve, the right side 3 finally entering 1/3 gear piston cavity keeps off piston cavity, promote 1/3 gear piston to be moved to the left, realize the joint of 3 gear synchronizers.
During 4 gear work, first pressure valve and the first autocontrol valve work, first autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member being communicated to control valve 3 controls mouth A, make working position work on the left of control valve 3, oil inlet P 1 is communicated with B2, oil inlet P 2 is communicated with B3, first pressure valve work, pressure oil is through the first pressure valve, oil outlet B is arrived from oil inlet P, then the oil inlet P 1 of control valve 3 is arrived, then oil outlet B1 is arrived through control valve 3, fluid flows to the oil inlet P 1 of the second selector valve again, oil outlet 4 is flow to finally by the second selector valve, the left side 4 finally entering 4/6 gear piston cavity keeps off piston cavity, promote 4/6 gear piston to move right, realize the joint of 4 gear synchronizers.
During 5 gear work, first pressure valve and the first autocontrol valve, second autocontrol valve is started working, first autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member flowing to control valve 3 controls mouth A, make the left side working position work of control valve 3, oil inlet P 1 is communicated with B2, oil inlet P 2 is communicated with B3, second autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member flowing to the second selector valve controls mouth A, make the left side working position work of the second selector valve, oil inlet P 1 is communicated with oil outlet 5, oil inlet P 2 is communicated with oil outlet 7, first pressure valve work, pressure oil is through the first pressure valve, oil outlet B is arrived from oil inlet P, then the oil inlet P 1 of control valve 3 is arrived, then through control valve 3, arrive oil outlet B1, fluid flows to the oil inlet P 1 of the second selector valve again, flow to oil outlet 5 by the second selector valve, the left side 5 finally entering 5/7 gear piston cavity keeps off piston cavity, promote 5/7 gear piston to move right, realize the joint of 5 gear synchronizers.
During 6 gear work, second pressure valve and the first autocontrol valve work, first autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member being communicated to control valve 3 controls mouth A, make the left side working position work of gear selector valve 3, oil inlet P 1 is communicated with B2, oil inlet P 2 is communicated with B3, second selector valve work, pressure oil is through the second pressure valve, from oil inlet P, arrive oil outlet B, then the oil inlet P 2 of control valve 3 is arrived, oil outlet B3 is arrived through control valve 3, fluid flows to the oil inlet P 2 of the second selector valve again, oil outlet 6 is flow to by the second selector valve, the right side 6 finally entering 4/6 gear piston cavity keeps off piston cavity, promote 4/6 gear piston to be moved to the left, realize the joint of 6 gear synchronizers,
During 7 gear work, second pressure valve and the first autocontrol valve, second autocontrol valve is started working, first autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member flowing to control valve 3 controls mouth A, make the left side working position work of control valve 3, oil inlet P 1 is communicated with B2, oil inlet P 2 is communicated with B3, second autocontrol valve work, pressure oil arrives B from oil inlet P, then the right-hand member flowing to the second selector valve controls mouth A, make the left side working position work of gear selector valve, oil inlet P 1 is communicated with oil outlet 5, oil inlet P 2 is communicated with oil outlet 7, second pressure valve work, pressure oil is through the second pressure valve, from oil inlet P, arrive oil outlet B, then arrive the oil inlet P 2 of control valve 3, arrive oil outlet B3 through control valve 3, fluid flows to the oil inlet P 2 of the second selector valve again, flow to oil outlet 7 by the second selector valve, the right side 7 finally entering 5/7 gear piston cavity keeps off piston cavity, promote 5/7 gear piston to be moved to the left, realize the joint of 7 gear synchronizers.
When R keeps off work, second pressure valve work, pressure oil arrives oil outlet B through the second pressure valve from oil inlet P, then the oil inlet P 2 of control valve 3 is arrived, then through control valve 3, arrive oil outlet B4, fluid flows to the oil inlet P 2 of the first selector valve again, flow to oil outlet R finally by the second selector valve, finally enter the right side R gear piston cavity that 2/R keeps off piston cavity; Promote 2/R gear piston to be moved to the left, realize the joint that R keeps off synchronizer.
In the present embodiment, above-mentioned selector valve, pressure valve and autocontrol valve etc. are all replaced by other valve, only need to ensure that relevant pipeline is connected state or closed condition, the design of oil hydraulic cylinder 1, valve and valve control method and choose and be ripe prior art, the present embodiment no longer launches to describe various possible valve combination.
In above-mentioned mode of execution, selector valve and control valve 3 are hydrovalve, and valve control system 5 controls to comprise two autocontrol valves thus.As optionally, control valve 3 and selector valve system 2 are solenoid valve, and valve control system 5 controls to comprise the first control module, and the working position of the first control module Controlling solenoid valve switches.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (8)
1. a shifting position hydraulic control system for gearbox, is characterized in that, comprising:
Oil hydraulic cylinder, at least three, each described oil hydraulic cylinder has two piston cavity, and multiple gear synchronizers of multiple described piston cavity and described gearbox connect one to one;
Selector valve system, it has at least three the first working positions, and described first working position and described oil hydraulic cylinder connect one to one, and wherein, two oil outlets of described first working position are connected with two piston cavity one_to_one corresponding of described oil hydraulic cylinder respectively;
Control valve, described control valve has at least two the second working positions, and the oil outlet of described control valve is connected with the filler opening of described selector valve system;
Pressure valve system, it has at least two the first solenoid valves, and the oil outlet of two the first solenoid valves connects one to one with two filler openings of described control valve respectively;
Valve control system, the working position controlling described selector valve system, control valve and described pressure valve system switches.
2. shifting position hydraulic control system according to claim 1, it is characterized in that, described first working position and described oil hydraulic cylinder are four, and described selector valve system comprises two the first two eight logical valves, and four working positions of two described the first two eight logical valves are four described first working positions.
3. shifting position hydraulic control system according to claim 2, it is characterized in that, described control valve is the second two eight logical valves, and the filler opening of the oil outlet of described the second two eight logical valve two working positions the first two eight logical valves described with two is respectively corresponding to be connected.
4. shifting position hydraulic control system according to claim 1, it is characterized in that, described control valve and described selector valve system are solenoid valve, and described valve control system controls to comprise the first control module, and the working position that described first control module controls described solenoid valve switches.
5. shifting position hydraulic control system according to claim 3, it is characterized in that, described the first two eight logical valves are hydrovalve, described valve control system controls to comprise the second control module and the second solenoid valve, described second control module controls described second solenoid valve, and the oil outlet of described second solenoid valve to connect described at least one the oil circuit control of the first two eight logical valves.
6. shifting position hydraulic control system according to claim 5, is characterized in that, the oil circuit controls of the oil outlet of described second solenoid valve the first two eight logical valves described with two are simultaneously connected.
7. shifting position hydraulic control system according to claim 5, is characterized in that, the oil outlet of described second solenoid valve is connected with the oil circuit controls of two described the second two eight logical valves.
8. shifting position hydraulic control system according to claim 5, is characterized in that, the filler opening of described second solenoid valve and the filler opening of described first solenoid valve are by same oil circuit oil-feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560869.1U CN204828634U (en) | 2015-07-27 | 2015-07-27 | Fender position hydraulic control system of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560869.1U CN204828634U (en) | 2015-07-27 | 2015-07-27 | Fender position hydraulic control system of gearbox |
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| Publication Number | Publication Date |
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| CN204828634U true CN204828634U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560869.1U Expired - Fee Related CN204828634U (en) | 2015-07-27 | 2015-07-27 | Fender position hydraulic control system of gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020391A (en) * | 2015-07-27 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Gear hydraulic control system for gearbox |
-
2015
- 2015-07-27 CN CN201520560869.1U patent/CN204828634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020391A (en) * | 2015-07-27 | 2015-11-04 | 安徽江淮汽车股份有限公司 | Gear hydraulic control system for gearbox |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |