CN102182823A - Hydraulic control system for gear shifting of manual gearbox - Google Patents
Hydraulic control system for gear shifting of manual gearbox Download PDFInfo
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- CN102182823A CN102182823A CN201110118705XA CN201110118705A CN102182823A CN 102182823 A CN102182823 A CN 102182823A CN 201110118705X A CN201110118705X A CN 201110118705XA CN 201110118705 A CN201110118705 A CN 201110118705A CN 102182823 A CN102182823 A CN 102182823A
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Abstract
The invention discloses a hydraulic control system for gear shifting of a manual gearbox and relates to the field of automobile accessories. The hydraulic control system consists of a gear-shifting oil cylinder and a control valve set; a position sensor of the gear-shifting oil cylinder is arranged on one side of a main cylinder of the gear-shifting oil cylinder and is driven to move by a piston in the main cylinder; a gear-shifting rod is arranged at the piston position in the main cylinder; the control valve set consists of a main cylinder valve block and an auxiliary cylinder valve block which are arranged on the main cylinder and an auxiliary cylinder respectively and integrated into a whole; a pressurized oil supplying port P of a hydraulic oil pump PUM is connected with a pressure relay KP1, a relief valve RV1 and a check valve CV1; the outlet of the check valve CV1 is connected with an accumulator ACC1; and the control valve set 1 can be connected with the accumulator ACC1. A proportional pressure reducing valve is controlled by an electrical control unit and under the action of the electrical control unit, three accurate stroke positions of the gear-shifting oil cylinder are precisely controlled and the hydraulic automatic control over the gear shifting is realized, so the requirements of the gear shifting process of the gearbox are met.
Description
Technical field
The invention belongs to the vehicle component scope, particularly a kind of hydraulic control system of manual transmission gearshift.
Background technique
Traditional manual transmission gearshift must be stirred the engaging position that speed change lever could change transmission gear with hand, thereby change velocity ratio by manually being finished, and reaches the purpose of gear change.But traditional manual transmission, in abominable traffic condition down train, need on the vehicle of frequent employing manually-operable gearshift, cause driver fatigue easily, and require the driver expertly correctly to hold gearshift opportunity, to guarantee power character, Economy and the gearshift stationarity of vehicle, increased the degree of complicated operation.
In addition, under the situation of gearbox mounting point, realize relatively difficulty of remote manually-operable, also increased the complexity of handling driving mechanism away from the driver's operation position.
In order to improve this situation, a cover hydraulic control system be can on the basis of conventional manual speed changer, add, thereby the manual of gearshift and operation automatically realized, reach the purpose that alleviates driver's labor intensity and simplification manipulation driving mechanism.
Summary of the invention
The objective of the invention is to propose a kind of hydraulic control system of manual transmission gearshift, it is characterized in that, the hydraulic control system of described manual transmission gearshift is made up of gearshift oil cylinder and hydraulic control valve group two large divisions;
Described gearshift oil cylinder is made of integrated as a whole master cylinder, pair cylinder, position transducer and gear level, and position transducer is installed in gearshift oil cylinder master cylinder one side, and gear level is installed in the master cylinder piston in the master cylinder and pays between the cylinder piston;
Described hydraulic control valve group is made up of a master cylinder valve piece and a pair cylinder valve piece, is installed in master cylinder respectively and pays on the cylinder to be integrated into an overall structure;
Described master cylinder valve piece is made of the first threeway spiral plug-in mounting solenoid valve DV1, the second threeway spiral plug-in mounting solenoid valve DV2 that are installed on the same master cylinder valve body, and the mouth K3 of mouth K3, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 is connected to the connection first hydraulic fluid port C1 and the second hydraulic fluid port C2 of master cylinder respectively; The mouth K1 of mouth 1, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 of master cylinder valve piece is connected with oil hydraulic circuit pressure oil oil-feed port P; The mouth K2 of mouth K2, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 of master cylinder valve piece is connected with oil hydraulic circuit pressure oil oil return inlet T.
Described pair of cylinder valve piece constitutes by being installed in first liang of logical spiral plug-in mounting solenoid valve DV3 on the same pair of cylinder valve body, second liang of logical spiral plug-in mounting solenoid valve DV4, and the mouth K1 of mouth K2, the second liang of logical spiral plug-in mounting solenoid valve DTV4 of first liang of logical spiral plug-in mounting solenoid valve DV3 is connected to connection the 3rd hydraulic fluid port C3 and the 4th hydraulic fluid port C4 that pays cylinder respectively; The mouth K2 of first liang of logical spiral plug-in mounting solenoid valve DV3 also is connected with oil return inlet T simultaneously, and the mouth K2 of second liang of logical spiral plug-in mounting solenoid valve DV4 is connected with oil hydraulic circuit pressure oil oil-feed port P.
Neutral position, I gear and the II gear of the corresponding gearbox of the drive range of described gear level.
Its pressure oil oil-feed port of the hydraulic-pressure pump PUM of described oil hydraulic circuit P is connected with pressure relay KP1, safety valve RV1, one-way valve CV1, one-way valve CV1 outlet connects accumulator ACC1, above-mentioned hydraulic control valve group 1 is connected with accumulator ACC1, or after accumulator ACC1 connects a proportional pressure-reducing valve PRV1, be connected with control valve group 1 again; Proportional pressure-reducing valve PRV1 is connected with electric control unit, or proportional pressure-reducing valve PRV1 and master cylinder valve piece 2 and pay a cylinder valve piece 7 and integrate; Proportional pressure-reducing valve PRV1 is under the ECU (Electrical Control Unit) effect, and accurately control enters in-oil cylinder hydraulic fluid pressure and time relation, crosses range request and is as the criterion to satisfy gearbox shifting.
The hydraulic control system that the invention has the beneficial effects as follows the manual transmission gearshift that the present invention designs can provide three of gearshift oil cylinders travel position accurately, thereby realized the hydraulic control gearshift of mechanical transmission, realize the manual of gearshift and control automatically, reach the purpose that alleviates driver's labor intensity; The driver realizes remote manually operated trouble when having overcome in the gearbox mounting point away from the driver's operation position, and can simplify the manipulation driving mechanism.
Description of drawings
Fig. 1 is the hydraulic control device structural representation of manual transmission gearshift.
Fig. 2 is a master cylinder valve piece scheme of installation.
Fig. 3 is for paying cylinder valve piece scheme of installation.
Fig. 4 is a hydraulic oil oil supply system schematic representation.
Fig. 5 is proportional pressure-reducing valve and the integrated schematic representation of control valve group.
Embodiment
The present invention proposes a kind of hydraulic control system of manual transmission gearshift.Illustrated below in conjunction with accompanying drawing.
Figure 1 shows that the hydraulic control system structural representation of manual transmission gearshift.The hydraulic control system of manual transmission gearshift is made up of gearshift oil cylinder and control valve group 1 two large divisions among the figure.The gearshift oil cylinder is made of integrated as a whole master cylinder, pair cylinder, position transducer and gear level; Position transducer 3 is installed in gearshift oil cylinder master cylinder 4 one sides, and drives motion by the piston in the master cylinder, and gear level 5 is installed in the piston place in the master cylinder 4; Master cylinder valve piece 2 constitutes (as shown in Figure 2) by the first threeway spiral plug-in mounting solenoid valve DV1, the second threeway spiral plug-in mounting solenoid valve DV2 that are installed on the same master cylinder valve body in the control valve group 1, and the mouth K3 of mouth K3, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 is connected to the connection first hydraulic fluid port C1 and the second hydraulic fluid port C2 of master cylinder respectively; The mouth K1 of mouth K1, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 of master cylinder valve piece 2 is connected with oil hydraulic circuit pressure oil oil-feed port P, and the mouth K2 of mouth K2, the second threeway spiral plug-in mounting solenoid valve DV2 of the first threeway spiral plug-in mounting solenoid valve DV1 of master cylinder valve piece 2 is connected with oil hydraulic circuit pressure oil oil return inlet T.
Pay cylinder valve piece 7 and constitute (as shown in Figure 3) by being installed in first liang of logical spiral plug-in mounting solenoid valve DV3 on the same pair of cylinder valve body, second liang of logical spiral plug-in mounting solenoid valve DV4, the mouth K1 of mouth K2, the second liang of logical spiral plug-in mounting solenoid valve DV4 of first liang of logical spiral plug-in mounting solenoid valve DV3 is connected to connection the 3rd hydraulic fluid port C3 and the 4th hydraulic fluid port C4 that pays cylinder respectively; The mouth K2 of first liang of logical spiral plug-in mounting solenoid valve DV3 also is connected with oil return inlet T simultaneously; The mouth K2 of second liang of logical spiral plug-in mounting solenoid valve DV4 is connected with oil hydraulic circuit pressure oil oil-feed port P.
Above-mentioned control valve group 1 is by Fig. 1 and oil hydraulic circuit control shown in Figure 5, the instruction of cooperation position sensor 3 simultaneously, make the gearshift oil cylinder move to three accurate travel position places of gearshift oil cylinder, the i.e. accurate position (as shown in Figure 1) of the neutral position of corresponding gearbox, I gear and II gear.
Pressure oil is provided by the existing hydraulic oil source of vehicle, or is specifically designed to low pressure, the float amount hydraulic oil source of hydraulic pressure gearshift separately for one of vehicle set." shown in Fig. 4 (a, b) ".
Its pressure oil oil-feed port of the hydraulic-pressure pump PUM of described oil hydraulic circuit P is connected with pressure relay KP1, safety valve RV1, one-way valve CV1, and one-way valve CV1 outlet connects accumulator ACC1, as Fig. 4 (a) and (b); Above-mentioned control valve group 1 can with meet accumulator ACC1 and be connected, Fig. 4 (b), or after accumulator ACC1 connects a proportional pressure-reducing valve PRV1, be connected with control valve group 1 again; Proportional pressure-reducing valve is connected with electric control unit, and under the ECU (Electrical Control Unit) effect, accurately control enters in-oil cylinder hydraulic fluid pressure and time relation, crosses range request and is as the criterion to satisfy gearbox shifting.Wherein electric control unit is the power control part branch of vehicle itself.
Described proportional pressure-reducing valve PRV1 also can and pay the cylinder valve piece with the master cylinder valve piece and integrate control valve group as shown in Figure 5.
Claims (5)
1. the hydraulic control system of a manual transmission gearshift is characterized in that, the hydraulic control device of described manual transmission gearshift is made up of gearshift oil cylinder and hydraulic control valve group two large divisions;
Described gearshift oil cylinder is made of integrated as a whole master cylinder, pair cylinder, position transducer and gear level, and position transducer is installed in gearshift oil cylinder master cylinder one side, and gear level is installed in the master cylinder piston in the master cylinder and pays between the cylinder piston;
Described hydraulic control valve group is made up of a master cylinder valve piece and a pair cylinder valve piece, is installed in master cylinder respectively and pays on the cylinder to be integrated into an overall structure.
2. the hydraulic control system that is used for the manual transmission gearshift according to claim 1, it is characterized in that, described master cylinder valve piece is made of the first threeway spiral plug-in mounting solenoid valve (DV1), the second threeway spiral plug-in mounting solenoid valve (DV2) that are installed on the same master cylinder valve body, and the mouth (K3) of the mouth (K3) of the first threeway spiral plug-in mounting solenoid valve (DV1), the second threeway spiral plug-in mounting solenoid valve (DV2) is connected to connection first hydraulic fluid port (C1) and second hydraulic fluid port (C2) of master cylinder respectively; The mouth (K1) of the first threeway spiral plug-in mounting solenoid valve (DV1) of master cylinder valve piece, the mouth (K1) of the second threeway spiral plug-in mounting solenoid valve (DV2) are connected with oil hydraulic circuit pressure oil oil-feed port (P); The mouth (K2) of the first threeway spiral plug-in mounting solenoid valve (DV1) of master cylinder valve piece, the mouth (K2) of the second threeway spiral plug-in mounting solenoid valve (DV2) are connected with oil hydraulic circuit pressure oil return opening (T).
3. the hydraulic control system that is used for the manual transmission gearshift according to claim 1, it is characterized in that, described pair of cylinder valve piece is made of the first liang of logical spiral plug-in mounting solenoid valve (DV3), the second liang of logical spiral plug-in mounting solenoid valve (DV4) that are installed on the same pair of cylinder valve body, and the mouth (K2) of first liang of logical spiral plug-in mounting solenoid valve (DV3), the mouth (K1) of second liang of logical spiral plug-in mounting solenoid valve (DTV4) are connected to connection the 3rd hydraulic fluid port (C3) and the 4th hydraulic fluid port (C4) of paying cylinder respectively; The mouth (K2) of first liang of logical spiral plug-in mounting solenoid valve (DV3) also is connected with return opening (T) simultaneously, and the mouth (K2) of second liang of logical spiral plug-in mounting solenoid valve (DV4) is connected with oil hydraulic circuit pressure oil oil-feed port (P).
4. be used for the hydraulic control system of manual transmission gearshift according to claim 1, it is characterized in that, neutral position, I gear and the II gear of the corresponding gearbox of the drive range of described gear level.
5. the hydraulic control system that is used for the manual transmission gearshift according to claim 1, it is characterized in that, the pressure oil oil-feed port (P) of described oil hydraulic circuit is connected with pressure relay (KP1), safety valve (RV1), one-way valve (CV1), one-way valve (CV1) outlet connects accumulator (ACC1), above-mentioned hydraulic control valve group (1) is connected with accumulator (ACC1), or after accumulator (ACC1) connects a proportional pressure-reducing valve (PRV1), be connected with control valve group (1) again; Proportional pressure-reducing valve (PRV1) is connected with electric control unit, or proportional pressure-reducing valve (PRV1) integrates with a master cylinder valve piece (2) and a pair cylinder valve piece (7); Proportional pressure-reducing valve (PRV1) is under the ECU (Electrical Control Unit) effect, and accurately control enters in-oil cylinder hydraulic fluid pressure and time relation, crosses range request and is as the criterion to satisfy gearbox shifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110118705XA CN102182823A (en) | 2011-05-09 | 2011-05-09 | Hydraulic control system for gear shifting of manual gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110118705XA CN102182823A (en) | 2011-05-09 | 2011-05-09 | Hydraulic control system for gear shifting of manual gearbox |
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| Publication Number | Publication Date |
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| CN102182823A true CN102182823A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110118705XA Pending CN102182823A (en) | 2011-05-09 | 2011-05-09 | Hydraulic control system for gear shifting of manual gearbox |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728429A (en) * | 2015-02-11 | 2015-06-24 | 上海瑞迪汽车科技有限公司 | Hydraulic control gear shifting system of two-speed automatic gearbox of electric vehicle |
| CN107762991A (en) * | 2017-10-19 | 2018-03-06 | 北京易联创安科技发展有限公司 | A kind of remote control system for being used to control scraper or loading machine to walk |
| CN117072507A (en) * | 2023-08-10 | 2023-11-17 | 山东卫禾传动股份有限公司 | Electric control hydraulic shift valve and harvesting machinery gearbox thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0379861A (en) * | 1989-08-19 | 1991-04-04 | Toyota Autom Loom Works Ltd | Gear shift cylinder drive unit for transmission |
| CN1918407A (en) * | 2004-02-11 | 2007-02-21 | 腓特烈斯港齿轮工厂股份公司 | Shifting unit |
| CN2926682Y (en) * | 2006-03-06 | 2007-07-25 | 重汽集团专用汽车公司 | Shift-change controller of clutch case |
| CN101512197A (en) * | 2006-08-29 | 2009-08-19 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic or pneumatic control device of an automated shift transmission |
| CN202228661U (en) * | 2011-05-09 | 2012-05-23 | 清华大学 | Hydraulic control device with manual gear box gear shifting |
-
2011
- 2011-05-09 CN CN201110118705XA patent/CN102182823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0379861A (en) * | 1989-08-19 | 1991-04-04 | Toyota Autom Loom Works Ltd | Gear shift cylinder drive unit for transmission |
| CN1918407A (en) * | 2004-02-11 | 2007-02-21 | 腓特烈斯港齿轮工厂股份公司 | Shifting unit |
| CN2926682Y (en) * | 2006-03-06 | 2007-07-25 | 重汽集团专用汽车公司 | Shift-change controller of clutch case |
| CN101512197A (en) * | 2006-08-29 | 2009-08-19 | 腓特烈斯港齿轮工厂股份公司 | Hydraulic or pneumatic control device of an automated shift transmission |
| CN202228661U (en) * | 2011-05-09 | 2012-05-23 | 清华大学 | Hydraulic control device with manual gear box gear shifting |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728429A (en) * | 2015-02-11 | 2015-06-24 | 上海瑞迪汽车科技有限公司 | Hydraulic control gear shifting system of two-speed automatic gearbox of electric vehicle |
| CN107762991A (en) * | 2017-10-19 | 2018-03-06 | 北京易联创安科技发展有限公司 | A kind of remote control system for being used to control scraper or loading machine to walk |
| CN117072507A (en) * | 2023-08-10 | 2023-11-17 | 山东卫禾传动股份有限公司 | Electric control hydraulic shift valve and harvesting machinery gearbox thereof |
| CN117072507B (en) * | 2023-08-10 | 2024-03-08 | 山东卫禾传动股份有限公司 | Electric control hydraulic shift valve and harvesting machinery gearbox thereof |
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Application publication date: 20110914 |