CN102278395B - Integral sub-gearbox air cylinder assembly - Google Patents
Integral sub-gearbox air cylinder assembly Download PDFInfo
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- CN102278395B CN102278395B CN201110140021.XA CN201110140021A CN102278395B CN 102278395 B CN102278395 B CN 102278395B CN 201110140021 A CN201110140021 A CN 201110140021A CN 102278395 B CN102278395 B CN 102278395B
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- gas chamber
- iron core
- solenoid valve
- valve
- cylinder block
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- 230000001939 inductive effect Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 11
- 230000030279 gene silencing Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides an integral sub-gearbox air cylinder assembly, wherein two two-position three-way electromagnetic valves are integrated on the basis of a traditional sub-gearbox air cylinder, and the pressure change of two air cylinders is respectively controlled by the two electromagnetic valves integrated with the sub-gearbox air cylinder, thus the movement of a shifting fork shaft of each air cylinder are controlled according to right-left movement of a piston. In addition, the integral sub-gearbox air cylinder assembly is also provided with an inductive sensor, the inductive sensor can feed back the travel position of the shifting fork shaft; the electromagnetic valves can be automatically switched off when the shifting fork shaft of each air cylinder reaches the appointed position, thus the compressed air in the air cylinder piston is released, and a mechanism is prevented from being damaged due to long-term air pressure acted on the air cylinders. The integral sub-gearbox air cylinder assembly has the advantages of compact structure, small volume, light weight, convenience for installing and maintaining, high reliability and improved assembling efficiency of a whole machine.
Description
Technical field
The present invention relates to a kind of integrated type auxiliary box cylinder assembly structure.
Background technique
At present, along with the strategic development constantly progress of automobile-used AMT system, the application of AMT technology in commercial car also gets more and more, it is exactly clutch actuating mechanism (car speed change gear sub-tank operating mechanism) that wherein comprised very important one handles actuator, and handles for solenoidoperated cluthes the performance need that the traditional auxiliary box cylinder performing (car speed change gear sub-tank operating mechanism) can not meet AMT system.In existing commercial vehicle AMT system, solenoid valve is mainly connected with traditional auxiliary box cylinder by employing air pipe by the auxiliary box cylinder structure for controlled clutch (car speed change gear sub-tank operating mechanism).
Such as in Chinese patent ZL200720088217.8, disclose a kind of Pneumatic AMT clutch operating device, wherein SCS Air Suction Control Solenoid and gas exhaust inspecting solenoid valve are led to by air flue and cylinders thus can be controlled breathing action respectively by two solenoid valves, this Placement takies very large space, bulky, line arrangement relative complex, connection is installed simultaneously waste time and energy, and generally traditional auxiliary box cylinder body many employings cast iron materials is made.In addition in the technological scheme of this patent, each solenoid valve can only control separately one of process of air inlet or exhaust, and only there is cylinder that can be carried out pressure change within the system, push rod can only be controlled by the movement of piston like this and move to single direction.Therefore existing auxiliary box cylinder can not easily be moved by piston exactly and control the operation of push rod, and this just needs to develop a kind of auxiliary box cylinder handled for solenoidoperated cluthes newly.
Summary of the invention
The present invention is directed to above-mentioned the problems of the prior art, propose a kind of integrated type auxiliary box cylinder assembly, it can be met by push rod or declutch shift shaft carries out to clutch the various requirement automatically controlled.
The technical solution adopted in the present invention is: a kind of integrated type auxiliary box cylinder assembly, it is integrated with two two-bit triplet solenoid valves on the basis of traditional auxiliary box cylinder, the pressure change of two cylinders is controlled respectively by these two two-bit triplet solenoid valves, thus the motion of control cylinder declutch shift shaft according to moving left and right of piston.In this integrated type auxiliary box cylinder assembly, two solenoid valves that can control air inlet and exhaust respectively and auxiliary box cylinder become one, and increase an inductive pickup, and this sensor can feed back the travel position of declutch shift shaft; When auxiliary box cylinder declutch shift shaft arrives specified position, automatically cylinder solenoid valve can be disconnected, the pressurized air at release cylinder piston place, avoid cylinder because causing damage by atmospheric pressure effect to mechanism for a long time, cylinder body can adopt aluminum alloy material simultaneously, control the pressure change of two cylinders like this according to two solenoid valves respectively, thus move left and right the movement that accurately can control declutch shift shaft by piston, to reach the object that solenoidoperated cluthes are handled.
The present invention compares with existing auxiliary box cylinder, and its beneficial effect is:
(1) achieve the integrated of displacement transducer and solenoid valve, make whole mechanism structure compact, easy for installation;
(2) the automatic control to clutch is realized, for the exploitation of AMT commerial vehicle provides possibility by declutch shift shaft;
(realizing the automatic control to AMT car speed change gear sub-tank by declutch shift shaft)
(3 compact structures, volume are little, lightweight, convenient for installation and maintenance, and reliability is high, improve car load efficiency of assembling.
As a part for concurrent application, the invention still further relates to the AMT system of each specific embodiments above-mentioned that have employed integrated type auxiliary box cylinder assembly of the present invention and the automobile that have employed any one of these AMT system and vehicle.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is further described
Fig. 1 is the structural representation of a preferred embodiment of integrated type auxiliary box cylinder assembly of the present invention.
Embodiment
Described in detail further below in conjunction with the structure of accompanying drawing to a preferred embodiment of integrated type auxiliary box cylinder assembly of the present invention.
As shown in Figure 1, the preferred embodiment of this integrated type auxiliary box cylinder assembly comprises the cylinder block 14 being positioned at bottom, and cylinder block 14 is provided with and lengthens guide sleeve 12, one end of guide sleeve 12 is provided with back-up ring 11, and guide sleeve 12 can be fixed by this back-up ring; Cylinder block arranges seal ring 13; Also comprise the solenoid valve cover 31 on top, be provided with silencing apparatus 1, by solenoid valve cover 31, electromagnetic coil 4 and 28 respective in solenoid valve 32 and 33, static iron core 3 and 29, dynamic iron core 6 and 26 etc. are fixed in cylinder block 14; Inner in cylinder block 14, declutch shift shaft 10, piston 15 are connected by locking screw 17, and piston 15 is provided with seal ring 16; Cylinder head 18 is provided with inductive pickup 20, iron core 19 is connected with declutch shift shaft 10, and inductive pickup 20 changes and the displacement of detection acquisition declutch shift shaft 10 by the mobile inductance value produced of iron core 19.
Structure based on above-mentioned integrated cylinder assembly can carry out following rate-determining steps:
1) intake interface 22 of auxiliary box cylinder assembly is connected with automobile air storage vessel, when driving a vehicle, remains air-suction state;
2) when in manipulation auxiliary box cylinder when needing declutch shift shaft 10 to be moved to the left:
Be energized to electromagnetic coil 28, static iron core 29 produces electromagnetic force upwards under the effect of electromagnetic coil 28, overcomes the spring force of return spring 25, and iron core 26 is moved upward.Close exhaust valve 27, open intake valve 24, the pressurized air from suction port 22 arrives gas chamber 21 through intake valve 24, passage 23, and piston 15 drives declutch shift shaft 10 to be moved to the left under the pressurized air effect of gas chamber 21.When declutch shift shaft 10 moves to left end specified position, make electromagnetic coil 28 power-off, the electromagnetic force of static iron core 29 disappears, dynamic iron core 26 moves down under the effect of return spring 25, close intake valve 24, open exhaust valve 27, the pressurized air of gas chamber 21 through passage 23, exhaust valve 27, passage 30, silencing apparatus 1 discharged to air;
3) when in manipulation auxiliary box cylinder when needing declutch shift shaft 10 to move right:
Be energized to electromagnetic coil 4, static iron core 3 produces electromagnetic force upwards under the effect of electromagnetic coil 4, overcomes the spring force of return spring 7, and iron core 6 is moved upward, and closes exhaust valve 5, opens intake valve 8.Pressurized air from suction port 22 arrives gas chamber 9 through intake valve 8, and piston 15 drives declutch shift shaft 10 to move right under the pressurized air effect of gas chamber 9.When declutch shift shaft 10 moves to right-hand member specified position, make electromagnetic coil 4 power-off, the magnetic force of static iron core 3 disappears, dynamic iron core 6 moves down under the effect of return spring 7, close intake valve 8, open exhaust valve 5, the pressurized air of gas chamber 9 through exhaust valve 5, passage 2, silencing apparatus 1 discharged to air; When declutch shift shaft 10 is when moving left and right, drive iron core 19 to move in inductive pickup 20 simultaneously, the movement of iron core 19 can make the inductance value generation linear change of inductive pickup, the change of sensed inductance value is exported to electronic control unit by inductive pickup 20, can control the working condition of the power on/off situation of electromagnetic coil and AMT system clutch, gear selecting gear-shifting actuating mechanism.
Claims (7)
1. an integrated type auxiliary box cylinder assembly, it comprises cylinder block (14), wherein in the inside of cylinder block (14), declutch shift shaft (10), piston (15) is connected by locking screw (17), piston (15) is provided with seal ring (16), the first solenoid valve (32) and the second solenoid valve (33) is also fixedly mounted by solenoid valve cover (31) on the top of cylinder block (14), it is characterized in that: cylinder block (14) is divided into the first gas chamber (9) and the second gas chamber (21) by piston (15), first gas chamber (9) and the second gas chamber (21) are laterally arranged in juxtaposition, solenoid valve cover (31) is positioned at the top of the first gas chamber (9) and the second gas chamber (21), wherein the first gas chamber (9) is arranged through the first electromagnetic coil (4) in the first solenoid valve (32), the electromagnetic force that first static iron core (3) and the first dynamic iron core (6) produce controls its Volume Changes, and the second gas chamber (21) is arranged through the second electromagnetic coil (28) in the second solenoid valve (33), the electromagnetic force that second static iron core (29) and the second dynamic iron core (26) produce controls its Volume Changes, according to the change of the first gas chamber (9) and the second gas chamber (21) inner volume, piston (15) is transverse shifting in cylinder block (14), in addition, the side of cylinder head (18) is provided with intake interface (22), this intake interface (22) to be positioned on the first gas chamber (9) and the second gas chamber (21) and to be positioned under the first solenoid valve (32) and the second solenoid valve (33), the first intake valve (8) and first row valve (5) is provided with in first solenoid valve (32), the second intake valve (24) and second row valve (27) is provided with in second solenoid valve (33), and the first intake valve (8) or the second intake valve (24) are connected with intake interface (22), cylinder head (18) is provided with inductive pickup (20), iron core (19) is connected with declutch shift shaft (10), inductive pickup (20) is configured to change by the mobile inductance value produced of iron core (19) and detect the displacement obtaining declutch shift shaft (10), the top of cylinder block (14) is provided with the first solenoid valve (32), the structure of this first solenoid valve (32) and mounting type make when the first electromagnetic coil (4) is energized, first static iron core (3) produces electromagnetic force upwards under the effect of the first electromagnetic coil (4), overcome the spring force of the first return spring (7), first dynamic iron core (6) is moved upward, to close first row valve (5), open the first intake valve (8), thus make the pressurized air from suction port (22) arrive the first gas chamber (9) through the first intake valve (8), piston (15) drives declutch shift shaft (10) to move right under the pressurized air effect of the first gas chamber (9), when declutch shift shaft (10) moves to right-hand member specified position, first electromagnetic coil (4) power-off, the magnetic force of the first static iron core (3) disappears, first dynamic iron core (6) moves down under the effect of the first return spring (7), close the first intake valve (8), open first row valve (5), the pressurized air of the first gas chamber (9) is through first row valve (5), first passage (2), silencing apparatus (1) is discharged to air.
2. integrated type auxiliary box cylinder assembly as claimed in claim 1, it is characterized in that: be provided with in cylinder block (14) and lengthen guide sleeve (12), be provided with the back-up ring (11) for fixed guide cover (12) in one end of guide sleeve (12), cylinder block is also provided with seal ring (13).
3. integrated type auxiliary box cylinder assembly as claimed in claim 1 or 2, is characterized in that: in solenoid valve cover (31), be provided with silencing apparatus (1).
4. integrated type auxiliary box cylinder assembly as claimed in claim 3, it is characterized in that: the top of cylinder block (14) is provided with the second solenoid valve (33), the structure of this second solenoid valve (33) and mounting type make when the second electromagnetic coil (28) is energized, second static iron core (29) produces electromagnetic force upwards under the effect of the second electromagnetic coil (28), overcome the spring force of the second return spring (25), second dynamic iron core (26) is moved upward, close second row valve (27), open the second intake valve (24), make pressurized air from suction port (22) through the second intake valve (24), second channel (23) arrives the second gas chamber (21), piston (15) drives declutch shift shaft (10) to be moved to the left under the pressurized air effect of the second gas chamber (21).
5. integrated type auxiliary box cylinder assembly as claimed in claim 4, it is characterized in that: when declutch shift shaft (10) moves to left end specified position, second electromagnetic coil (28) power-off, the electromagnetic force of the second static iron core (29) disappears, second dynamic iron core (26) moves down under the effect of the second return spring (25), second intake valve (24) is closed, second row valve (27) is opened, the pressurized air of the second gas chamber (21) is through second channel (23), second row valve (27), third channel (30), silencing apparatus (1) is discharged to air.
6. the integrated type auxiliary box cylinder assembly according to any one of claim 1,2,4,5, is characterized in that: solenoid valve is two-bit triplet solenoid valve, and two solenoid valves and cylinder block (14) become one and manufacture.
7. the integrated type auxiliary box cylinder assembly according to any one of claim 1,2,4,5, is characterized in that: cylinder block (14) adopts aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110140021.XA CN102278395B (en) | 2011-05-27 | 2011-05-27 | Integral sub-gearbox air cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110140021.XA CN102278395B (en) | 2011-05-27 | 2011-05-27 | Integral sub-gearbox air cylinder assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278395A CN102278395A (en) | 2011-12-14 |
| CN102278395B true CN102278395B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110140021.XA Active CN102278395B (en) | 2011-05-27 | 2011-05-27 | Integral sub-gearbox air cylinder assembly |
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| CN (1) | CN102278395B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651625A (en) * | 1984-05-21 | 1987-03-24 | United Controls, Inc. | Pneumatic control assembly for a pneumatic cylinder |
| DE4132891A1 (en) * | 1991-10-04 | 1993-04-08 | Audi Ag | Pneumatically operated valve for IC engine with electronic timing control - has pneumatic piston on valve stem in cylinder on top of combustion cylinder and with valve deflection monitor |
| DE29714681U1 (en) * | 1997-08-16 | 1997-10-16 | Festo AG & Co, 73734 Esslingen | Fluid operated cylinder |
| CN202082316U (en) * | 2011-05-27 | 2011-12-21 | 瑞立集团瑞安汽车零部件有限公司 | Integral sub-gearbox cylinder assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH112210A (en) * | 1997-06-12 | 1999-01-06 | Sanyo Seiki Kk | Cylinder actuator |
| JP4858013B2 (en) * | 2006-08-30 | 2012-01-18 | 株式会社島津製作所 | Pneumatic cylinder device and material testing machine |
| CN201162793Y (en) * | 2007-11-16 | 2008-12-10 | 东风汽车有限公司 | Pneumatic AMT clutch control mechanism |
-
2011
- 2011-05-27 CN CN201110140021.XA patent/CN102278395B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651625A (en) * | 1984-05-21 | 1987-03-24 | United Controls, Inc. | Pneumatic control assembly for a pneumatic cylinder |
| DE4132891A1 (en) * | 1991-10-04 | 1993-04-08 | Audi Ag | Pneumatically operated valve for IC engine with electronic timing control - has pneumatic piston on valve stem in cylinder on top of combustion cylinder and with valve deflection monitor |
| DE29714681U1 (en) * | 1997-08-16 | 1997-10-16 | Festo AG & Co, 73734 Esslingen | Fluid operated cylinder |
| CN202082316U (en) * | 2011-05-27 | 2011-12-21 | 瑞立集团瑞安汽车零部件有限公司 | Integral sub-gearbox cylinder assembly |
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| Publication number | Publication date |
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| CN102278395A (en) | 2011-12-14 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Integrated auxiliary box cylinder assembly Granted publication date: 20150408 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. Registration number: Y2020330000292 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |