CN202579990U - Hydraulic control device of automatic speed changer - Google Patents

Hydraulic control device of automatic speed changer Download PDF

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Publication number
CN202579990U
CN202579990U CN 201220152186 CN201220152186U CN202579990U CN 202579990 U CN202579990 U CN 202579990U CN 201220152186 CN201220152186 CN 201220152186 CN 201220152186 U CN201220152186 U CN 201220152186U CN 202579990 U CN202579990 U CN 202579990U
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CN
China
Prior art keywords
control valve
oil
outlet
valve
gear shift
Prior art date
Application number
CN 201220152186
Other languages
Chinese (zh)
Inventor
刘祥伍
于新涛
张广瀚
宋廷彬
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盛瑞传动股份有限公司
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Application filed by 盛瑞传动股份有限公司 filed Critical 盛瑞传动股份有限公司
Priority to CN 201220152186 priority Critical patent/CN202579990U/en
Application granted granted Critical
Publication of CN202579990U publication Critical patent/CN202579990U/en

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Abstract

The utility model relates to a hydraulic control device of an automatic speed changer. The hydraulic control device comprises an oil pump, a manual control valve, four clutches and a brake, wherein an oil inlet, a first oil outlet and a second oil outlet are arranged on the manual control valve, the oil inlet is connected with an outlet of the oil pump, the first oil outlet of the manual control valve is connected with a first oil inlet and outlet opening of a shuttle valve, the second oil outlet of the manual control valve is connected with a second oil inlet and outlet opening of the shuttle valve, an oil outlet of the shuttle valve controls the second clutch through a first gear shifting control valve, the first oil inlet and outlet opening of the shuttle valve controls the first clutch through a second gear shifting control valve and controls the third clutch through a third gear shifting control valve, the outlet of the oil pump controls the brake through a fourth gear shifting control valve and controls the fourth clutch through a fifth gear shifting control valve, the mechanical interlocking of the forward gear and the reverse gear of a vehicle is realized, when the vehicle runs in the reverse gear R, the vehicle cannot enter the forward gear to run, and the reliability and the safety are improved.

Description

A kind of hydraulic control device of automatic transmission

Technical field

The utility model relates to a kind of automatic transmission, specifically, relates to a kind of hydraulic control device of automatic transmission, belongs to field of mechanical technique.

Background technique

Development along with the automatic transmission technology; Because the gear number that traditional Three Degree Of Freedom automatic transmission can realize is lower; Just progressively replaced by many gears of four-degree-of-freedom automatic transmission, many gears of four-degree-of-freedom automatic transmission can realize the above automatic speed changing of six retainings.

In realizing the utility model process; Model utility people finds to exist at least in the existing technology following problem; Although the gear number that many gears of four-degree-of-freedom automatic transmission can realize is than higher, many gears of four-degree-of-freedom automatic transmission often needs three executive components to combine to realize the switching of gear when realizing a gear; And all mutual cooperation to be arranged between each executive component; Though can reduce the number of executive component like this, increased the complexity of gearshift logic, cause simultaneously and realize mechanical interlocked difficulty.At present; The four-degree-of-freedom speed changer can only rely on automatical control system to realize interlocking; But in automatical control system,, will cause the reliability of automatic transmission and Security obviously to descend if the control signal of control forward gear breaks down with controlling the control signal of reversing gear; Also do not occur on the market realizing forward gear and the mechanical interlocked four-degree-of-freedom speed changer that reverses gear, reliability and Security are lower.

The model utility content

The technical problem that the utility model will solve is to above deficiency; A kind of hydraulic control device of automatic transmission is provided; Overcome forward gear and the defective that the interlocking of reversing gear can only rely on automatical control system to realize in the existing technology, adopted described hydraulic control device, can realize that not only automatic transmission is reversed gear and the automatically controlled interlocking of forward gear; Simultaneously also realized reversing gear mechanical interlocked with forward gear improved reliability and Security.

For solving above technical problem; The utility model adopts following technological scheme: a kind of hydraulic control device of automatic transmission; Comprise oil pump, hand control valve, first clutch, second clutch, three-clutch, four clutches and break, it is characterized in that:

Said hand control valve is provided with filler opening, first oil outlet and second oil outlet;

Filler opening connects the outlet of oil pump;

Be connected with shuttle valve between first oil outlet of hand control valve and second oil outlet;

Shuttle valve is provided with first oil inlet and outlet, second oil inlet and outlet and oil outlet, and first oil outlet of hand control valve connects first oil inlet and outlet of shuttle valve, and second oil outlet of hand control valve connects second oil inlet and outlet of shuttle valve;

The oil outlet of shuttle valve is through first gear shift control valve control second clutch;

First oil inlet and outlet of shuttle valve is controlled three-clutch through second gear shift control valve control first clutch and through the 3rd gear shift control valve;

The outlet of oil pump is controlled four clutches through the 4th gear shift control valve control brake device and through the 5th gear shift control valve.

A kind of optimized project, control termination first solenoid valve of the said first gear shift control valve.

Another kind of optimized project, control termination second solenoid valve of the said second gear shift control valve.

Another optimized project, control termination the 3rd solenoid valve of said the 3rd gear shift control valve.

Further optimized project, control termination the 4th solenoid valve of said the 4th gear shift control valve.

Further optimized project, control termination the 5th solenoid valve of said the 5th gear shift control valve.

Further optimized project, the oil outlet of said shuttle valve connects the oil inlet end of the first gear shift control valve, the fuel-displaced termination second clutch of the first gear shift control valve.

A kind of concrete optimized project, first oil inlet and outlet of said shuttle valve connects the oil inlet end of the second gear shift control valve and the 3rd gear shift control valve, and the oil outlet end of the second gear shift control valve connects first clutch, and the oil outlet end of the 3rd gear shift control valve connects three-clutch.

Another kind of concrete optimized project, the outlet of said oil pump connects the oil inlet end of the 4th gear shift control valve, the 5th gear shift control valve, and the oil outlet end of the 4th gear shift control valve connects break, and the oil outlet end of the 5th gear shift control valve connects four clutches.

A kind of optimized project; Said hand control valve is in when reversing gear the R position; The outlet of oil pump is communicated with second oil outlet of hand control valve, and second oil outlet of hand control valve is communicated with second oil inlet and outlet of shuttle valve, and first oil inlet and outlet of shuttle valve, first oil outlet of hand control valve end.

After the utility model adopts above technological scheme, compared with prior art, have the following advantages: hand control valve is in when reversing gear the R position; The outlet of oil pump is communicated with second oil outlet of hand control valve, and second oil outlet of hand control valve is communicated with second oil inlet and outlet of shuttle valve, and there is oil pressure all the time in second oil inlet and outlet of shuttle valve; First oil inlet and outlet of shuttle valve, first oil outlet of hand control valve end; The second gear shift control valve, the 3rd gear shift control valve do not have fluid to flow through all the time, even the energising of second solenoid valve, the 3rd solenoid valve, the oil outlet of the second gear shift control valve, the 3rd gear shift control valve also can not built all the time oil pressure; First clutch and three-clutch always can not combine; Therefore, realized when reverse gear mechanical interlocked with forward gear of vehicle, when vehicle goes at the R retaining that reverses gear; Can not get into forward gear and go, improve reliability and Security.

Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.

Description of drawings

Accompanying drawing 1 is the structure principle chart of hydraulic control device among the utility model embodiment;

Accompanying drawing 2 is the gearshift logic diagram of hydraulic control device gear among the utility model embodiment;

Among the figure,

The 1-oil pump, 2-first working connection, 3-first oil circuit, 4-second oil circuit, 5-shuttle valve, 6-the 3rd oil circuit; The 7-manually operated valve, 8-first shift valve, 9-second shift valve, 10-the 3rd shift valve, 11-the 4th shift valve, 12-the 5th shift valve; 13-second working connection, 14 the 5th solenoid valves, 15-the 4th solenoid valve, 16-the 3rd solenoid valve, 17-second solenoid valve, 18-first solenoid valve; 19-the 4th oil circuit, 20-the 5th oil circuit, 21-the 6th oil circuit, 22-the 7th oil circuit, 23-the 8th oil circuit, 24-the 9th oil circuit; The C1-first clutch, C2-second clutch, C3-three-clutch, C4-four clutches, B1-break.

Embodiment

Embodiment; As shown in Figure 1; A kind of hydraulic control device of automatic transmission comprises oil pump 1, hand control valve 7, first clutch C1, second clutch C2, three-clutch C3, four clutches C4 and break B1, and the outlet of oil pump 1 is communicated with first working connection 2 and second working connection 13;

Hand control valve 7 is provided with filler opening, first oil outlet and second oil outlet; The filler opening of first working connection, 2 connection hand brake control valves 7; First oil outlet of hand control valve 7 is through first oil inlet and outlet of first oil circuit, 3 connection shuttle valves 5, and second oil outlet of hand control valve 7 connects second oil inlet and outlet of shuttle valves 5 through second oil circuit 4;

Be provided with the first gear shift control valve 8 between the oil outlet of shuttle valve 5 and the second clutch C2; The oil outlet of shuttle valve 5 connects the oil inlet end of the first gear shift control valve 8 through the 3rd oil circuit 6; The oil outlet end of the first gear shift control valve 8 meets second clutch C2, control termination first solenoid valve 18 of the first gear shift control valve 8 through the 4th oil circuit 19;

Be provided with the second gear shift control valve 9 between first oil inlet and outlet of shuttle valve 5 and the first clutch C1; First oil inlet and outlet of shuttle valve 5 connects the oil inlet end of the second gear shift control valve 9 through the 9th oil circuit 24; The oil outlet end of the second gear shift control valve 9 connects first clutch C1 through the 5th oil circuit 20, and the control end of the second gear shift control valve 9 connects second solenoid valve 17;

Be provided with the 3rd gear shift control valve 10 between first oil inlet and outlet of shuttle valve 5 and the three-clutch C3; First oil inlet and outlet of shuttle valve 5 connects the oil inlet end of the 3rd gear shift control valve 10 through the 9th oil circuit 24; The oil outlet end of the 3rd gear shift control valve 10 connects three-clutch C3 through the 6th oil circuit 21, and the control end of the 3rd gear shift control valve 10 connects the 3rd solenoid valve 16;

Be provided with the 4th gear shift control valve 11 between second working connection 13 and the break B1; Second working connection 13 connects the oil inlet end of the 4th gear shift control valve 11; The oil outlet end of the 4th gear shift control valve 11 connects break B1 through the 7th oil circuit 22, and the control end of the 4th gear shift control valve 11 connects the 4th solenoid valve 15;

Be provided with the 5th gear shift control valve 12 between second working connection 13 and the four clutches C4; Second working connection 13 connects the oil inlet end of the 5th gear shift control valve 12; The oil outlet end of the 5th gear shift control valve 12 connects four clutches C4 through the 8th oil circuit 23, and the control end of the 5th gear shift control valve 12 connects the 5th solenoid valve 14;

The drain tap of the first gear shift control valve 8, the second gear shift control valve 9, the 3rd gear shift control valve 10, the 4th gear shift control valve 11 and the 5th gear shift control valve 12 is connected fuel tank 25;

The 4th gear shift control valve 11 directly is connected second working connection 13 with the 5th gear shift control valve 12; That is to say; As long as vehicle one starts, just have oil pressure and supply with the 4th gear shift control valve 11 and the 5th gear shift control valve 12 always, and supply with the oil pressure of the first gear shift control valve 8, the second gear shift control valve 9 and the 3rd gear shift control valve 10; Have only through hand control valve 7; Could pass through first oil circuit 3 or second oil circuit 4 arrives, so break B1 and four clutches C4 can control the 4th gear shift control valves 11 through the 4th solenoid valve 15 and the 5th gear shift control valve 12 at any time and the 5th gear shift control valve 12 combines, and first clutch C1, second clutch C2, three-clutch C3; Can only connect first working connection 2 and other gear shift control valve through hand control valve 7, realize combining.

As shown in Figure 2; Hand control valve 7 comprises four positions: parking shifting-position P, reversing gear R, empty wagons gear N and the gear D that advances; Shadow representation bonding state among the figure; Do not have the shadow representation separated state, the formation of the R gear that reverses gear goes to realize by combining gearshift original paper break B1, second clutch C2 and four clutches C4.

Can know that through accompanying drawing 2 gearshift logic diagrams when forward gear, first clutch C1 combines an ability to form the gear that advances with three-clutch C3 at least; When hand control valve 7 is in when reversing gear the R position, first working connection 2 communicates with second oil circuit 4, and main oil pressure is behind shuttle valve 5; Shuttle valve 5 inner steel balls are pressed to first oil inlet and outlet of shuttle valve 5, make second oil circuit 4 to be communicated with the 3rd oil circuit 6, and the 3rd oil circuit 6 is connected to first shift valve 8 with oil outlet through shuttle valve 5; First shift valve 8 is communicated with second clutch C2 again; When hand control valve 7 is in the R retaining, give first solenoid valve 18 energisings, make the gear shift control valve 8 of winning be in upper; This moment, the 4th oil circuit 19 was communicated with the 3rd oil circuit 6, made second clutch C2 to combine at any time.Because there is oil pressure all the time in second oil inlet and outlet of shuttle valve 5 when R keeps off; First oil circuit 3 is obstructed simultaneously; Cause the 9th oil circuit 24 all the time can't oil-feed, therefore the second gear shift control valve 9, the 3rd gear shift control valve 10 have fluid to flow through all the time, even second solenoid valve 17, the 3rd solenoid valve 16 energisings; The 6th oil circuit 21 and the 5th oil circuit 20 also can not built all the time oil pressure, and first clutch C1 and three-clutch C3 always can not combine.Therefore realized keeping off when going at the R that reverses gear, in any case also can not get into the situation that forward gear goes when vehicle.

Those skilled in the art will recognize that; Above-mentioned embodiment is exemplary; Be in order to make those skilled in the art can better understand the utility model content; Should not be construed as is the restriction to the utility model protection domain, because automatically controlled interlocking is those skilled in the art's a common practise, the utility model technological scheme part only specifies mechanical interlocked realization; So long as the improvement of being done according to the utility model technological scheme, all fall into the protection domain of the utility model.

Claims (10)

1. a hydraulic control device of automatic transmission comprises oil pump (1), hand control valve (7), first clutch (C1), second clutch (C2), three-clutch (C3), four clutches (C4) and break (B1), it is characterized in that:
Said hand control valve (7) is provided with filler opening, first oil outlet and second oil outlet;
Filler opening connects the outlet of oil pump (1);
Be connected with shuttle valve (5) between first oil outlet of hand control valve (7) and second oil outlet;
Shuttle valve (5) is provided with first oil inlet and outlet, second oil inlet and outlet and oil outlet, and first oil outlet of hand control valve (7) connects first oil inlet and outlet of shuttle valve (5), and second oil outlet of hand control valve (7) connects second oil inlet and outlet of shuttle valve (5);
The oil outlet of shuttle valve (5) is through the first gear shift control valve (8) control second clutch (C2);
First oil inlet and outlet of shuttle valve (5) is through the second gear shift control valve (9) control first clutch (C1) and through the 3rd gear shift control valve (10) control three-clutch (C3);
The outlet of oil pump (1) is through the 4th gear shift control valve (11) control brake device (B1) and through the 5th gear shift control valve (12) control four clutches (C4).
2. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: control termination first solenoid valve (18) of the said first gear shift control valve (8).
3. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: control termination second solenoid valve (17) of the said second gear shift control valve (9).
4. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: control termination the 3rd solenoid valve (16) of said the 3rd gear shift control valve (10).
5. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: control termination the 4th solenoid valve (15) of said the 4th gear shift control valve (11).
6. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: control termination the 5th solenoid valve (14) of said the 5th gear shift control valve (12).
7. a kind of hydraulic control device of automatic transmission as claimed in claim 1 is characterized in that: the oil outlet of said shuttle valve (5) connects the oil inlet end of the first gear shift control valve (8), the fuel-displaced termination second clutch (C2) of the first gear shift control valve (8).
8. a kind of hydraulic control device of automatic transmission as claimed in claim 1; It is characterized in that: first oil inlet and outlet of said shuttle valve (5) connects the oil inlet end of the second gear shift control valve (9) and the 3rd gear shift control valve (10); The oil outlet end of the second gear shift control valve (9) connects first clutch (C1), and the oil outlet end of the 3rd gear shift control valve (10) connects three-clutch (C3).
9. a kind of hydraulic control device of automatic transmission as claimed in claim 1; It is characterized in that: the outlet of said oil pump (1) connects the oil inlet end of the 4th gear shift control valve (11), the 5th gear shift control valve (12); The oil outlet end of the 4th gear shift control valve (11) connects break (B1), and the oil outlet end of the 5th gear shift control valve (12) connects four clutches (C4).
10. like one of them described a kind of hydraulic control device of automatic transmission of claim 1-9; It is characterized in that: said hand control valve (7) is in when reversing gear the R position; The outlet of oil pump (1) is communicated with second oil outlet of hand control valve (7); Second oil outlet of hand control valve (7) is communicated with second oil inlet and outlet of shuttle valve (5), and first oil outlet of first oil inlet and outlet of shuttle valve (5), hand control valve (7) ends.
CN 201220152186 2012-04-12 2012-04-12 Hydraulic control device of automatic speed changer CN202579990U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644734A (en) * 2012-04-12 2012-08-22 盛瑞传动股份有限公司 Hydraulic control device of automatic speed changer
CN103398170A (en) * 2013-08-19 2013-11-20 合肥工业大学 Hydraulic control system for parallel planetary gear train transmission of automobile
CN103498821A (en) * 2013-10-16 2014-01-08 合肥工业大学 Hydraulic control system used for speed changer of parallel planetary gear train
CN103671897A (en) * 2013-12-25 2014-03-26 盛瑞传动股份有限公司 Safety control device in automatic transmission hydraulic control system
CN103671898A (en) * 2013-12-25 2014-03-26 盛瑞传动股份有限公司 Gear-shifting control method for automatic hydraulic speed changer
CN104089000A (en) * 2014-07-01 2014-10-08 盛瑞传动股份有限公司 Slip difference equivalent method and system for hydraulic automatic transmission
CN104089002A (en) * 2014-07-01 2014-10-08 盛瑞传动股份有限公司 Shifting cooperative control method and related device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644734A (en) * 2012-04-12 2012-08-22 盛瑞传动股份有限公司 Hydraulic control device of automatic speed changer
WO2013152511A1 (en) * 2012-04-12 2013-10-17 盛瑞传动股份有限公司 Hydraulic control device of automatic speed changer
CN102644734B (en) * 2012-04-12 2014-12-24 盛瑞传动股份有限公司 Hydraulic control device of automatic speed changer
CN103398170B (en) * 2013-08-19 2015-06-10 合肥工业大学 Hydraulic control system for parallel planetary gear train transmission of automobile
CN103398170A (en) * 2013-08-19 2013-11-20 合肥工业大学 Hydraulic control system for parallel planetary gear train transmission of automobile
CN103498821B (en) * 2013-10-16 2015-11-11 合肥工业大学 For the hydraulic control system of the speed changer of parallel planetary gear train
CN103498821A (en) * 2013-10-16 2014-01-08 合肥工业大学 Hydraulic control system used for speed changer of parallel planetary gear train
CN103671898A (en) * 2013-12-25 2014-03-26 盛瑞传动股份有限公司 Gear-shifting control method for automatic hydraulic speed changer
CN103671897A (en) * 2013-12-25 2014-03-26 盛瑞传动股份有限公司 Safety control device in automatic transmission hydraulic control system
CN103671897B (en) * 2013-12-25 2015-11-18 盛瑞传动股份有限公司 Safety control in a kind of hydraulic control system of automatic speed changer
CN104089000A (en) * 2014-07-01 2014-10-08 盛瑞传动股份有限公司 Slip difference equivalent method and system for hydraulic automatic transmission
CN104089002A (en) * 2014-07-01 2014-10-08 盛瑞传动股份有限公司 Shifting cooperative control method and related device

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AV01 Patent right actively abandoned

Granted publication date: 20121205

Effective date of abandoning: 20141224

RGAV Abandon patent right to avoid regrant