CN100516600C - Solenoid valve controlled pneumatic gear shifting device - Google Patents
Solenoid valve controlled pneumatic gear shifting device Download PDFInfo
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- CN100516600C CN100516600C CNB2007100360100A CN200710036010A CN100516600C CN 100516600 C CN100516600 C CN 100516600C CN B2007100360100 A CNB2007100360100 A CN B2007100360100A CN 200710036010 A CN200710036010 A CN 200710036010A CN 100516600 C CN100516600 C CN 100516600C
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- 238000006073 displacement reaction Methods 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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Abstract
The invention discloses a solenoid valve controlled pneumatic gear shifting device, which comprises a shell internally provided with an actuating mechanism, wherein a driving cylinder is arranged on one side of the shell and comprises a cover plate, an atmospheric cylinder body, a connecting seat, a small cylinder body, a supporting cover and a cylinder cover which are connected one by one, the cover plate, the atmospheric cylinder body and the connecting seat enclose a large cavity, a large piston ring is sleeved in the large cavity, a large piston ejector rod fixedly connected with the large piston ring is sleeved in the connecting seat inner sleeve, an A inner cavity is formed between the large piston ring and the cover plate, an A air inlet is arranged on the cover plate, a small cavity is enclosed by the connecting seat, the small cylinder body and the supporting cover, a small piston ring is sleeved in the small cavity, a small piston ejector rod with one end fixedly connected with the small piston ring is sleeved in the supporting cover, the other end of the small piston ejector rod is connected with a push plate of the actuating mechanism, a B inner cavity is formed between, each air inlet is respectively connected with the electromagnetic valve control device. The invention has the advantages of simple structure and accurate gear shifting.
Description
Technical field
The present invention relates to automobile manufacturing field, relate in particular to solenoid valve-operated pneumatic shifting device.
Background technique
At present, the shifting of transmission actuator of automobile manufacturing field great majority are the mechanical type manual gear shift, and its typical structure is to realize synchronizer shift by manual rod drive link and shift fork, and major defect is that manipulation is frequent, labor intensity is high.Hydraudynamic drive self-shifting gear box (AT) gear-shifting actuating mechanism that adopts on some high-grade buses, its typical structure is to realize gear shift by electronic valve control complicated hydraulic system and hydraulic friction clutches, and its major defect is that efficient is low, energy consumption is high, maintenance and assembling are poor.
The patent No. is that the utility model patent of ZL200520023195.8 discloses a kind of Pneumatic shifting device, it is by the variable connector control electromagnetic valve, make in the Seal cage that is fixed on the cylinder that links to each other with source of the gas in the automobile on the case of transmission and feed pressurized air, the piston rod that promotes on the cylinder moves axially, and does the corresponding gear shift action that realizes speed changer of moving thereby drive the gear selecting declutch shift shaft.Its major defect is that each gear is controlled with a cylinder, because its number of cylinders is many, so size is big, adopts variable connector to be not easy to realize automaitc shfit by electronic control system.
The patent No. is that the utility model patent of ZL200520066894.0 discloses a kind of automotive transmission Pneumatic shifting device, it is by feeding an amount of pressurized air in left cavity in housing and the formed Seal cage of end cap or the right cavity, the pressure of left cavity or right cavity is increased, promoting piston ring moves axially to the right or left in this sealed cavity, thereby drive the gear selecting declutch shift shaft and do the corresponding automaitc shfit that realizes speed changer of moving, the neutral position of speed changer is to push back automatically by the gear selecting balance spring that respectively is provided with in left cavity and the right cavity, its major defect is after the pressurized air supply of gear positions control cylinder stops, because the effect that the gear selecting balance spring pushes back is automatically easily lost rank in the automobile vibration movement process.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of by the gear shift of magnetic valve controller controlling and driving air cylinder driven actuator, be applicable to transmission for vehicles, simple in structure, gear shift solenoid valve-operated pneumatic shifting device accurately.
For solving the problems of the technologies described above, the present invention by the following technical solutions.
A kind of solenoid valve-operated pneumatic shifting device, comprise housing, be equiped with actuator in the housing, housing one side is equipped with the driving cylinder by magnetic valve controller control, described driving cylinder comprises the cover plate that connects one by one, big cylinder block, connecting base, little cylinder block, supporting lid and cylinder head, described cover plate, big cylinder block and connecting base surround big cavity, sheathed big piston ring in the described big cavity, be arranged with the big piston push rod affixed in the connecting base with the big piston ring, it between big piston ring and the cover plate A inner chamber, cover plate is provided with the A suction port that communicates with the A inner chamber, described connecting base, little cylinder block and supporting lid surround little cavity, sheathed small piston ring in the described little cavity, be arranged with an end and the affixed small piston push rod of small piston ring in the supporting lid, the small piston push rod the other end is connected with the push pedal that links to each other with actuator and drive actuator's work, it between small piston ring and the connecting base B inner chamber, connecting base is provided with the B suction port that communicates with the B inner chamber, between small piston ring and the supporting lid is the C inner chamber, supporting covers and is provided with the C suction port that communicates with the C inner chamber, described A suction port, the B suction port is connected with magnetic valve controller respectively with the C suction port.
Described actuator comprises declutch shift shaft and shift fork, and the two ends of described declutch shift shaft are slidedly arranged on the housing in the set bearing hole, and described shift fork is installed on the declutch shift shaft, and shift fork is provided with the A circular groove, and the end of push pedal is located in the A circular groove on the described driving cylinder; Described housing is provided with the spring mounting hole that communicates with bearing hole, be provided with spring in the described spring mounting hole, and in being provided with screw plug by an end of hull outside, an end of described declutch shift shaft is provided with three locating slots relative with spring mounting hole, is provided with place kick between locating slot and the spring.
Be equiped with the collar on the described declutch shift shaft, the collar is provided with the B circular groove, housing is provided with angular displacement sensing device, described angular displacement sensing device comprises angular displacement sensor, rotating shaft, connecting pin and connecting rod, described angular displacement sensor is fixed in hull outside, and described rotating shaft is sheathed on the housing, and the one end is connected with angular displacement sensor, the other end and connecting rod are affixed, and the end of described connecting rod is located in the B circular groove.
Described cover plate is provided with cushion pad near an end of big piston ring, and the two ends of connecting base are equipped with cushion pad, and the supporting lid is provided with cushion pad near an end of small piston ring.
Described housing is provided with the position switch mounting hole that communicates with bearing hole, establish spring in the position switch mounting hole, and in being equiped with position switch by an end of hull outside, described declutch shift shaft is provided with the induction groove relative with the position switch mounting hole, is provided with push rod between induction groove and the spring.
Described actuator is two with the driving cylinder, each end that drives push pedal in the cylinder places respectively in the A circular groove of actuator's shift fork, described housing is provided with the interlocking hole that is communicated with bearing hole in two actuators, be equipped with an interlocking groove relative with the interlocking hole on each declutch shift shaft, interlocking is provided with interlocking plunger in the hole.
Position switch in described two actuators and shift fork dislocation are arranged.
Described two driving cylinders are respectively first and drive the cylinder and the second driving cylinder, described magnetic valve controller comprises M1 three-position five-way solenoid valve, M2 three-position five-way solenoid valve, M3 three-position five-way solenoid valve, the M4 two-position two-way solenoid valve, the M5 two-position two-way solenoid valve, the M7 two-position two-way solenoid valve, M6 two-position three way magnetic valve and source of the gas, P5 ventilating hole set on the described M5 two-position two-way solenoid valve is connected with source of the gas, its O5 ventilating hole is connected with the P1 ventilating hole of M1 three-position five-way solenoid valve, the A1 ventilating hole of M1 three-position five-way solenoid valve is connected with the P2 ventilating hole of M2 three-position five-way solenoid valve and the P3 ventilating hole of M3 three-position five-way solenoid valve respectively with the B1 ventilating hole, the B2 ventilating hole of M2 three-position five-way solenoid valve is connected with the first B suction port that drives cylinder, the A2 ventilating hole of M2 three-position five-way solenoid valve drives the C suction port of cylinder by first three-way union with first and the P6 ventilating hole of M6 two-position three way magnetic valve is connected, the B3 ventilating hole of M3 three-position five-way solenoid valve is connected with the second B suction port that drives cylinder, the A3 ventilating hole of M3 three-position five-way solenoid valve is connected with the P4 ventilating hole of M4 two-position two-way solenoid valve, the O4 ventilating hole of M4 two-position two-way solenoid valve drives the C suction port of cylinder by second three-way union with second and the O7 ventilating hole of M7 two-position two-way solenoid valve is connected the P7 ventilating hole of M7 two-position two-way solenoid valve, the O6 ventilating hole of M6 two-position three way magnetic valve, the first A suction port and the second A suction port that drives cylinder that drives cylinder is connected by the 3rd three-way union.
Compared with prior art, advantage of the present invention just is:
1, with respect to the mechanical type gearshift, overall structure of the present invention is simple, manufacture difficulty is lower, detection is easy to maintenance, be convenient to combine with the variable speed drive of vehicle.Driving cylinder of the present invention is realized three positioning control by big cylinder block and stingy cylinder body serial connection, physical dimension is little, need only import corresponding gear control electrical signal to magnetic valve controller, pressurized air is fed in the corresponding driving cylinder inner cavity of this gear, just can make the small piston push rod drive the gear selecting declutch shift shaft and move axially to gear positions accurately, when pressurized air supply after the gear shift stops, because the end at declutch shift shaft is provided with three locating slots corresponding with place kick, can not lose rank under the mating reaction of place kick and locating slot;
2, in the cavity that drives cylinder, feed pressurized air by magnetic valve controller, drive push pedal by the piston rod that drives on the cylinder, again by push pedal with transmission of power to actuator, the driving reverse shift fork moves finishes the gear shift action, realize electromagnetic valve controlled pneumatic shift, can combine with electronic control system and realize electronic intelligence control, can remove manual joystick gear shift action from, convenient and reliable operation has alleviated driver's labor intensity;
3, housing is provided with angular displacement sensing device, and when carrying out gear shift, angular displacement sensing device passes to electronic control system with detected gear positions signal, is convenient to control;
4, be equipped with cushion pad at cover plate near an end of big piston ring, an end of the close small piston ring of supporting lid and the two ends of connecting base, can play the effect of vibration reduction and cushioning, it is impaired to prevent to drive cylinder;
5, be equiped with the position switch that can be connected with the neutral gear lamp on the housing, in the shelves that make the return trip empty, position switch is connected, and the neutral gear lamp sends the neutral gear signal;
6, the dislocation of position switch in two actuators and shift fork is arranged, makes between two shift forks to have enough distances, is convenient to again compact overall structure is arranged;
7, applicable to multiple transmission for vehicles, the automatic speed changer for machine that especially is useful on the electric oil hybrid passenger vehicle uses, and enforcement of the present invention has positive economic benefit and social benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A cross section view of Fig. 1;
Fig. 3 is the B-B cross section view of Fig. 1;
Fig. 4 is the D-D cross section view of Fig. 2;
Fig. 5 is the C-C cross section view of Fig. 1;
Fig. 6 is a magnetic valve controller schematic diagram one of the present invention;
Fig. 7 is a magnetic valve controller schematic diagram two of the present invention;
Fig. 8 is a magnetic valve controller schematic diagram three of the present invention;
Fig. 9 is a magnetic valve controller schematic diagram four of the present invention;
Figure 10 is a magnetic valve controller schematic diagram five of the present invention.
Each label is represented among the figure:
1, housing 2, driving cylinder
3, push pedal 4, actuator
5, angular displacement sensing device 11, bearing hole
12, spring mounting hole 13, spring
14, screw plug 15, position switch mounting hole
16, interlocking hole 17, interlocking plunger
18, connecting plate 20, small piston push rod
21, cover plate 22, big cylinder block
23, connecting base 24, little cylinder block
25, supporting cover 26, cylinder head
27, big piston ring 28, big piston push rod
29, small piston ring 41, declutch shift shaft
42, shift fork 43, locating slot
44, place kick 45, the collar
46, induction groove 47, interlocking groove
48, A circular groove 51, angular displacement sensor
52, rotating shaft 53, connecting pin
54, connecting rod 55, B circular groove
61, position switch 62, push rod
63, push rod spring 71, M1 three-position five-way solenoid valve
72, M2 three-position five-way solenoid valve 73, M3 three-position five-way solenoid valve
74, M4 two-position two-way solenoid valve 75, M5 two-position two-way solenoid valve
76, M6 two-position three way magnetic valve 77, M7 two-position two-way solenoid valve
78, source of the gas 210, cushion pad
E1, first drives the A suction port E2 of cylinder, the A suction port of the second driving cylinder
F1, first drives the B suction port F2 of cylinder, the B suction port of the second driving cylinder
G1, first drives the C suction port G2 of cylinder, the C suction port of the second driving cylinder
E3, first drives the A inner chamber E4 of cylinder, the A inner chamber of the second driving cylinder
F3, first drives the B inner chamber F4 of cylinder, the B inner chamber of the second driving cylinder
G3, first drives the C inner chamber G4 of cylinder, the C inner chamber of the second driving cylinder
Embodiment
Extremely shown in Figure 10 as Fig. 1, a kind of solenoid valve-operated pneumatic shifting device of the present invention, comprise housing 1, be equiped with two actuators 4 in the housing 1, housing 1 one sides are equiped with connecting plate 18,2, two drivings of two the driving cylinders cylinder 2 that is equiped with on the connecting plate 18 by magnetic valve controller control is respectively the first driving cylinder and the second driving cylinder.Each drives cylinder 2 and comprises the cover plate 21 that connects one by one, big cylinder block 22, connecting base 23, stingy cylinder body 24, supporting covers 25 and cylinder head 26, cover plate 21, big cylinder block 22 and connecting base 23 surround big cavity, sheathed big piston ring 27 in the big cavity, be arranged with the big piston push rod 28 affixed in the connecting base 23 with big piston ring 27, connecting base 23, stingy cylinder body 24 and supporting are covered 25 and are surrounded little cavity, sheathed small piston ring 29 in the little cavity, supporting cover and is arranged with the affixed small piston push rod 20 of an end and small piston ring 29 in 25, and small piston push rod 20 the other ends are connected with and link to each other with actuator 4 and drive the push pedal 3 that actuator 4 works.Cover plate 21 covers an end of 25 close small piston rings 29 near an end, the supporting of big piston ring 27 and the two ends of connecting base 23 are equipped with cushion pad 210, can play the effect of vibration reduction and cushioning, and it is impaired to prevent to drive cylinder 2.Be the A inner chamber between big piston ring 27 and the cover plate 21, cover plate 21 is provided with the A suction port that communicates with the A inner chamber, be the B inner chamber between small piston ring 29 and the connecting base 23, connecting base 23 is provided with the B suction port that communicates with the B inner chamber, between covering 25, small piston ring 29 and supporting be the C inner chamber, supporting is covered 25 and is provided with the C suction port that communicates with the C inner chamber, and A suction port, B suction port and C suction port are connected with magnetic valve controller respectively.Magnetic valve controller comprises M1 three-position five-way solenoid valve 71, M2 three-position five-way solenoid valve 72, M3 three-position five-way solenoid valve 73, M4 two-position two-way solenoid valve 74, M5 two-position two-way solenoid valve 75, M6 two-position three way magnetic valve 76, M7 two-position two-way solenoid valve 77 and source of the gas 78, P5 ventilating hole set on the M5 two-position two-way solenoid valve 75 is connected with source of the gas 78, P1 ventilating hole set on its O5 ventilating hole and the M1 three-position five-way solenoid valve 71 is connected, on the M1 three-position five-way solenoid valve 71 set A1 ventilating hole and B1 ventilating hole respectively with M2 three-position five-way solenoid valve 72 on set P2 ventilating hole and the M3 three-position five-way solenoid valve 73 set P3 ventilating hole be connected, B2 ventilating hole set on the M2 three-position five-way solenoid valve 72 is connected with the first B suction port F1 that drives cylinder, the C suction port G1 that set A2 ventilating hole drives cylinder on the M2 three-position five-way solenoid valve 72 by first three-way union and first is connected with set P6 ventilating hole on the M6 two-position three way magnetic valve 76, B3 ventilating hole set on the M3 three-position five-way solenoid valve 73 is connected with the second B suction port F2 that drives cylinder, on the M3 three-position five-way solenoid valve 73 on set A3 ventilating hole and the M4 two-position two-way solenoid valve 74 set P4 ventilating hole be connected, the C suction port G2 that set O4 ventilating hole drives cylinder on the M4 two-position two-way solenoid valve 74 by second three-way union and second is connected with set O7 ventilating hole on the M7 two-position two-way solenoid valve 77, set P7 ventilating hole on the M7 two-position two-way solenoid valve 77, set O6 ventilating hole on the M6 two-position three way magnetic valve 76, the A suction port E2 that the first A suction port E1 and second that drives cylinder drives cylinder connects by two the 3rd three-way unions that link to each other.Actuator 4 comprises declutch shift shaft 41 and shift fork 42, the two ends of declutch shift shaft 41 are slidedly arranged on the housing 1 in the set bearing hole 11, shift fork 42 is installed on the declutch shift shaft 41, shift fork 42 is provided with A circular groove 48, and each end that drives push pedal 3 in the cylinder 2 places respectively in the A circular groove 48 of an actuator 4 shift forks 42; Housing 1 is provided with the spring mounting hole 12 that communicates with bearing hole 11, be provided with spring 13 in the spring mounting hole 12, and be provided with screw plug 14 in an end in housing 1 outside, one end of declutch shift shaft 41 is provided with three locating slots 43 relative with spring mounting hole 12, is provided with place kick 44 between locating slot 43 and the spring 13.Housing 1 is provided with the interlocking hole 16 that is communicated with bearing hole 11 in two actuators 4, is equipped with an interlocking groove 47 relative with interlocking hole 16 on each declutch shift shaft 41, is provided with interlocking plunger 17 in the interlocking hole 16.Housing 1 is provided with the position switch mounting hole 15 that communicates with bearing hole 11, declutch shift shaft 41 is provided with the induction groove 46 relative with position switch mounting hole 15, position switch mounting hole 15 is equiped with the position switch 61 that can be connected with the neutral gear lamp by an end in housing 1 outside, end by induction groove 46 is provided with push rod 62, is provided with push rod spring 63 between the inductive axis of push rod 62 and position switch 61.In the shelves that make the return trip empty, position switch 61 is connected, and the neutral gear lamp sends the neutral gear signal.Position switch 61 in two actuators 4 and shift fork 42 dislocation are arranged, not only guarantee to have enough distances between two shift forks 42, are convenient to again compact overall structure is arranged.Be equiped with the collar 45 on the declutch shift shaft 41, the collar 45 is provided with B circular groove 55, housing 1 is provided with angular displacement sensing device 5, angular displacement sensing device 5 comprises angular displacement sensor 51, rotating shaft 52, connecting pin 53 and connecting rod 54, angular displacement sensor 51 is fixed in housing 1 outside, and rotating shaft 52 is sheathed on the housing 1, and the one end is connected with the sensing shaft of angular displacement sensor 51 by connecting pin 53, the other end and connecting rod 54 are affixed, and the end of connecting rod 54 is located in the B circular groove 55.Actuator 4 is when carrying out gear shift, and angular displacement sensing device 5 passes to electronic control system with detected gear positions signal, is convenient to control.With respect to the mechanical type gearshift, overall structure of the present invention is simple, manufacture difficulty is lower, detection is easy to maintenance, be convenient to combine with the variable speed drive of vehicle.
Driving cylinder 2 of the present invention is realized three positioning control by big cylinder block 22 and stingy cylinder body 24 serial connections, need only import corresponding gear control electrical signal to magnetic valve controller, pressurized air is fed in the inner chamber of corresponding driving cylinder 2 of this gear, drive push pedal 3 by the piston rod that drives on the cylinder 2, again by push pedal 3 with transmission of power to actuator 4, just can make that shift fork 42 moves axially to gear positions accurately in the actuator 4, finish the gear shift action, realize electromagnetic valve controlled pneumatic shift, the present invention can combine with electronic control system and realize electronic intelligence control, can remove manual joystick gear shift action from, convenient and reliable operation alleviates driver's labor intensity; When pressurized air supply after the gear shift stops, owing to be provided with three locating slots 43 corresponding, under the mating reaction of place kick 44 and locating slot 43, can not lose rank with place kick 44 at an end of declutch shift shaft 41; The present invention is applicable to multiple transmission for vehicles, and the automatic speed changer for machine that especially is useful on the electric oil hybrid passenger vehicle uses, and has positive economic benefit and social benefit.
Below in conjunction with the magnetic valve controller schematic diagram electromagnetic valve process of the present invention is described: as shown in Figure 6, when whole solenoid valves cut off the power supply, source of the gas 78 inner high voltage gases pass through P5 successively, O5, P1, A1, P2, A2, P6, O6, P7, the O7 ventilating hole enters the C suction port G1 of the first driving cylinder simultaneously, first drives the A suction port E1 of cylinder, the second C suction port G2 and second that drives cylinder drives the A suction port E2 of cylinder, drives the A inner chamber E3 of cylinder this moment first, first drives the C inner chamber G3 of cylinder, the second A inner chamber E4 and the second C inner chamber G4 that drives cylinder that drives cylinder ventilates simultaneously.The first B inner chamber F3 that drives cylinder communicates with the R22 relief opening through the B2 ventilating hole, and the second B inner chamber F4 that drives cylinder communicates with the R32 relief opening through the B3 ventilating hole.At this moment, the two small piston rings 29 that drive cylinder move to 0 gear positions together through the 20 drive push pedals 3 of small piston push rod.
As shown in Figure 7, when 72 energisings of M2 three-position five-way solenoid valve, source of the gas 78 inner high voltage gases enter the B suction port F1 of the first driving cylinder successively through P5, O5, P1, A1, P2, B2 ventilating hole, drive the B inner chamber F3 ventilation of cylinder this moment first, the C inner chamber G4 that drives cylinder this moment second drives the A inner chamber E3 of cylinder, C inner chamber G3, the second A inner chamber E4 that drives cylinder of the first driving cylinder through O7, P7 ventilating hole and first and communicates, and communicate with the R21 relief opening through O6, P6, A2 ventilating hole, the second B inner chamber F4 that drives cylinder communicates with the R32 relief opening through the B3 ventilating hole.At this moment, the first small piston ring 29 that drives cylinder moves to the D1 gear positions together through the 20 drive push pedals 3 of small piston push rod.
As shown in Figure 8, when 76 energisings of M6 two-position three way magnetic valve, source of the gas 78 inner high voltage gases pass through P5 successively, O5, P1, A1, P2, the A2 ventilating hole enters the C suction port G1 of the first driving cylinder, drive the C inner chamber G3 ventilation of cylinder this moment first, drive the C inner chamber G4 of cylinder through O7 this moment second, P7 ventilating hole and first drives the A inner chamber E3 of cylinder, the second A inner chamber E4 that drives cylinder communicates, and communicate with the R6 relief opening through the O6 ventilating hole, the first B inner chamber F3 that drives cylinder communicates with the R22 relief opening through the B2 ventilating hole, and the second B inner chamber F4 that drives cylinder communicates with the R32 relief opening through the B3 ventilating hole.At this moment, the first small piston ring 29 that drives cylinder moves to the D2 gear positions together through small piston push rod 20.
As shown in Figure 9, when M1 three-position five-way solenoid valve 71, M4 two-position two-way solenoid valve 74, when M7 two-position two-way solenoid valve 77 is switched on simultaneously, source of the gas 78 inner high voltage gases pass through P5 successively, O5, P1, B1, P3, A3, P4, the O4 ventilating hole enters the C suction port G2 of the second driving cylinder, drive the C inner chamber G4 ventilation of cylinder this moment second, drive the A inner chamber E3 of cylinder this moment first, second drives the A inner chamber E4 of cylinder through O6, the P6 ventilating hole communicates with the first C inner chamber G3 that drives cylinder, and through A2, P2, the A1 ventilating hole communicates with the R11 relief opening, the first B inner chamber F3 that drives cylinder communicates with relief opening R22 through ventilating hole B2, and the second B inner chamber F4 that drives cylinder communicates with the R32 relief opening through the B3 ventilating hole.At this moment, the second small piston ring 29 that drives cylinder moves to the D3 gear positions together through the 20 drive push pedals 3 of small piston push rod.
As shown in figure 10, when M1 three-position five-way solenoid valve 71, when M3 three-position five-way solenoid valve 73 is switched on simultaneously, source of the gas 78 inner high voltage gases pass through P5 successively, O5, P1, B1, P3, the B3 ventilating hole enters the B suction port F2 of the second driving cylinder, drive the B inner chamber F4 ventilation of cylinder this moment second, drive the C inner chamber G4 of cylinder through O7 this moment second, P7 ventilating hole and first drives the A inner chamber E3 of cylinder, the second A inner chamber E4 that drives cylinder communicates, through O6, the P6 ventilating hole communicates with the first C inner chamber G3 that drives cylinder, and through A2, P2, the A1 ventilating hole communicates with relief opening R11, and the first B inner chamber F3 that drives cylinder communicates with the R22 relief opening through the B2 ventilating hole.At this moment, the second small piston ring 29 that drives cylinder moves to the D4 gear positions together through the 20 drive push pedals 3 of small piston push rod.
After each gear shift put in place, 75 energisings of M5 two-position two-way solenoid valve disconnected source of the gas 78, prevent high pressure gas leakage.
Claims (9)
1, a kind of solenoid valve-operated pneumatic shifting device, comprise housing (1), be equiped with actuator (4) in the housing (1), it is characterized in that: housing (1) one side is equiped with the driving cylinder (2) by magnetic valve controller control, described driving cylinder (2) comprises the cover plate (21) that connects one by one, big cylinder block (22), connecting base (23), little cylinder block (24), supporting lid (25) and cylinder head (26), described cover plate (21), big cylinder block (22) and connecting base (23) surround big cavity, sheathed big piston ring (27) in the described big cavity, be arranged with the big piston push rod (28) affixed in the connecting base (23) with big piston ring (27), between big piston ring (27) and the cover plate (21) is the A inner chamber, cover plate (21) is provided with the A suction port that communicates with the A inner chamber, described connecting base (23), little cylinder block (24) and supporting lid (25) surround little cavity, sheathed small piston ring (29) in the described little cavity, be arranged with an end and the affixed small piston push rod (20) of small piston ring (29) in the supporting lid (25), small piston push rod (20) the other end is connected with the push pedal (3) that links to each other with actuator (4) and drive actuator (4) work, between small piston ring (29) and the connecting base (23) is the B inner chamber, connecting base (23) is provided with the B suction port that communicates with the B inner chamber, between small piston ring (29) and the supporting lid (25) is the C inner chamber, supporting lid (25) is provided with the C suction port that communicates with the C inner chamber, described A suction port, the B suction port is connected with source of the gas (78) by magnetic valve controller respectively with the C suction port, described actuator (4) comprises declutch shift shaft (41) and shift fork (42), the two ends of described declutch shift shaft (41) are slidedly arranged on housing (1) and go up in the set bearing hole (11), described shift fork (42) is installed on the declutch shift shaft (41), shift fork (42) is provided with A circular groove (48), and the end of the above push pedal of described driving cylinder (2) (3) is located in the A circular groove (48); Described housing (1) is provided with the spring mounting hole (12) that communicates with bearing hole (11), be provided with spring (13) in the described spring mounting hole (12), and the end outside housing (1) is provided with screw plug (14), one end of described declutch shift shaft (41) is provided with three locating slots (43) relative with spring mounting hole (12), is provided with place kick (44) between locating slot (43) and the spring (13).
2, solenoid valve-operated pneumatic shifting device according to claim 1, it is characterized in that: be equiped with the collar (45) on the described declutch shift shaft (41), the collar (45) is provided with B circular groove (55), housing (1) is provided with angular displacement sensing device (5), described angular displacement sensing device (5) comprises angular displacement sensor (51), rotating shaft (52), connecting pin (53) and connecting rod (54), described angular displacement sensor (51) is fixed in housing (1) outside, described rotating shaft (52) is sheathed on the housing (1), rotating shaft (52) one ends are connected with the sensing shaft of angular displacement sensor (51) by connecting pin (53), the other end and connecting rod (54) are affixed, and the end of described connecting rod (54) is located in the B circular groove (55).
3, solenoid valve-operated pneumatic shifting device according to claim 1 and 2 is characterized in that: described cover plate (21) is equipped with cushion pad (210) near an end, the supporting lid (25) of big piston ring (27) near an end of small piston ring (29) and the two ends of connecting base (23).
4, solenoid valve-operated pneumatic shifting device according to claim 1 and 2, it is characterized in that: described housing (1) is provided with the position switch mounting hole (15) that communicates with bearing hole (11), described declutch shift shaft (41) is provided with the induction groove (46) relative with position switch mounting hole (15), position switch mounting hole (15) is equiped with the position switch (61) that is connected with the neutral gear lamp by an end in housing (1) outside, position switch mounting hole (15) is provided with push rod (62) by an end of induction groove (46), is provided with push rod spring (63) between the inductive axis of described push rod (62) and position switch (61).
5, solenoid valve-operated pneumatic shifting device according to claim 3, it is characterized in that: described housing (1) is provided with the position switch mounting hole (15) that communicates with bearing hole (11), described declutch shift shaft (41) is provided with the induction groove (46) relative with position switch mounting hole (15), position switch mounting hole (15) is equiped with the position switch (61) that is connected with the neutral gear lamp by an end in housing (1) outside, position switch mounting hole (15) is provided with push rod (62) by an end of induction groove (46), is provided with push rod spring (63) between the inductive axis of described push rod (62) and position switch (61).
6, solenoid valve-operated pneumatic shifting device according to claim 5, it is characterized in that: described actuator (4) is two with driving cylinder (2), each end that drives push pedal (3) described in the cylinder (2) places respectively in the A circular groove (48) of an actuator (4) shift fork (42), described housing (1) is provided with the interlocking hole (16) that is communicated with bearing hole (11) in two actuators (4), be equipped with an interlocking groove (47) relative on each declutch shift shaft (41), be provided with interlocking plunger (17) in interlocking hole (16) with interlocking hole (16).
7, solenoid valve-operated pneumatic shifting device according to claim 6 is characterized in that: position switch (61) in described two actuators (4) and shift fork (42) dislocation are arranged.
8, solenoid valve-operated pneumatic shifting device according to claim 7, it is characterized in that: described two driving cylinders (2) are respectively first and drive the cylinder and the second driving cylinder, described magnetic valve controller comprises M1 three-position five-way solenoid valve (71), M2 three-position five-way solenoid valve (72), M3 three-position five-way solenoid valve (73), M4 two-position two-way solenoid valve (74), M5 two-position two-way solenoid valve (75), M6 two-position three way magnetic valve (76) and M7 two-position two-way solenoid valve (77), described M5 two-position two-way solenoid valve (75) is gone up set P5 ventilating hole and is connected with source of the gas (78), its O5 ventilating hole is gone up set P1 ventilating hole with M1 three-position five-way solenoid valve (71) and is connected, the last set A1 ventilating hole of M1 three-position five-way solenoid valve (71) is gone up set P2 ventilating hole with M2 three-position five-way solenoid valve (72) respectively with the B1 ventilating hole and is connected with the last set P3 ventilating hole of M3 three-position five-way solenoid valve (73), M2 three-position five-way solenoid valve (72) is gone up set B2 ventilating hole and is connected with the first B suction port (F1) that drives cylinder, the upward set A2 ventilating hole of M2 three-position five-way solenoid valve (72) drives cylinder by first three-way union and first C suction port (G1) is connected with the upward set P6 ventilating hole of M6 two-position three way magnetic valve (76), M3 three-position five-way solenoid valve (73) is gone up set B3 ventilating hole and is connected with the second B suction port (F2) that drives cylinder, the upward set A3 ventilating hole of M3 three-position five-way solenoid valve (73) is gone up set P4 ventilating hole with M4 two-position two-way solenoid valve (74) and is connected, the upward set O4 ventilating hole of M4 two-position two-way solenoid valve (74) drives cylinder by second three-way union and second C suction port (G2) is connected with the upward set O7 ventilating hole of M7 two-position two-way solenoid valve (77), and M7 two-position two-way solenoid valve (77) is gone up set P7 ventilating hole, M6 two-position three way magnetic valve (76) is gone up set O6 ventilating hole, the A suction port (E2) that the first A suction port (E1) and second that drives cylinder drives cylinder connects by two the 3rd three-way unions that link to each other.
9, solenoid valve-operated pneumatic shifting device according to claim 6, it is characterized in that: described two driving cylinders (2) are respectively first and drive the cylinder and the second driving cylinder, described magnetic valve controller comprises M1 three-position five-way solenoid valve (71), M2 three-position five-way solenoid valve (72), M3 three-position five-way solenoid valve (73), M4 two-position two-way solenoid valve (74), M5 two-position two-way solenoid valve (75), M6 two-position three way magnetic valve (76) and M7 two-position two-way solenoid valve (77), described M5 two-position two-way solenoid valve (75) is gone up set P5 ventilating hole and is connected with source of the gas (78), its O5 ventilating hole is gone up set P1 ventilating hole with M1 three-position five-way solenoid valve (71) and is connected, the last set A1 ventilating hole of M1 three-position five-way solenoid valve (71) is gone up set P2 ventilating hole with M2 three-position five-way solenoid valve (72) respectively with the B1 ventilating hole and is connected with the last set P3 ventilating hole of M3 three-position five-way solenoid valve (73), M2 three-position five-way solenoid valve (72) is gone up set B2 ventilating hole and is connected with the first B suction port (F1) that drives cylinder, the upward set A2 ventilating hole of M2 three-position five-way solenoid valve (72) drives cylinder by first three-way union and first C suction port (G1) is connected with the upward set P6 ventilating hole of M6 two-position three way magnetic valve (76), M3 three-position five-way solenoid valve (73) is gone up set B3 ventilating hole and is connected with the second B suction port (F2) that drives cylinder, the upward set A3 ventilating hole of M3 three-position five-way solenoid valve (73) is gone up set P4 ventilating hole with M4 two-position two-way solenoid valve (74) and is connected, the upward set O4 ventilating hole of M4 two-position two-way solenoid valve (74) drives cylinder by second three-way union and second C suction port (G2) is connected with the upward set O7 ventilating hole of M7 two-position two-way solenoid valve (77), and M7 two-position two-way solenoid valve (77) is gone up set P7 ventilating hole, M6 two-position three way magnetic valve (76) is gone up set O6 ventilating hole, the A suction port (E2) that the first A suction port (E1) and second that drives cylinder drives cylinder connects by two the 3rd three-way unions that link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100360100A CN100516600C (en) | 2007-10-31 | 2007-10-31 | Solenoid valve controlled pneumatic gear shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100360100A CN100516600C (en) | 2007-10-31 | 2007-10-31 | Solenoid valve controlled pneumatic gear shifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101149110A CN101149110A (en) | 2008-03-26 |
| CN100516600C true CN100516600C (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100360100A Expired - Fee Related CN100516600C (en) | 2007-10-31 | 2007-10-31 | Solenoid valve controlled pneumatic gear shifting device |
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| Country | Link |
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| CN (1) | CN100516600C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398072B (en) * | 2008-11-14 | 2012-10-10 | 贵州凯星液力传动机械有限公司 | Multispeed transmission shifting single chip control system |
| DE102011107263A1 (en) * | 2011-07-06 | 2013-01-10 | Fte Automotive Gmbh | Hydraulic actuating device for the actuation of one or more actuators in particular a motor vehicle transmission |
| CN103711894B (en) * | 2012-09-28 | 2016-01-27 | 北京航天发射技术研究所 | The parallel gearshift of transfer case |
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|---|---|---|---|---|
| US4793378A (en) * | 1986-08-06 | 1988-12-27 | Dana Corporation | Interlock valve and control |
| EP0371159A1 (en) * | 1988-11-28 | 1990-06-06 | Csepel Autogyár | Electropneumatical remote control for gear shifting, especially for shifting a synchronized mechanical transmission of motor vehicles |
| CN1132325A (en) * | 1994-05-18 | 1996-10-02 | 威斯特伐利亚百可瑞特工业技术有限公司 | Driving gear for use in coal planer or working face transport machine |
| CN2460359Y (en) * | 2001-01-20 | 2001-11-21 | 赵惠军 | Shift gears booster |
| CN2598793Y (en) * | 2003-03-10 | 2004-01-14 | 石崇华 | Pneumatic gearshift for car auxiliary speed variator |
| CN201093058Y (en) * | 2007-10-31 | 2008-07-30 | 长沙航空工业中南传动机械厂 | Solenoid valve controlled pneumatic gear shifting device |
-
2007
- 2007-10-31 CN CNB2007100360100A patent/CN100516600C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793378A (en) * | 1986-08-06 | 1988-12-27 | Dana Corporation | Interlock valve and control |
| EP0371159A1 (en) * | 1988-11-28 | 1990-06-06 | Csepel Autogyár | Electropneumatical remote control for gear shifting, especially for shifting a synchronized mechanical transmission of motor vehicles |
| CN1132325A (en) * | 1994-05-18 | 1996-10-02 | 威斯特伐利亚百可瑞特工业技术有限公司 | Driving gear for use in coal planer or working face transport machine |
| CN2460359Y (en) * | 2001-01-20 | 2001-11-21 | 赵惠军 | Shift gears booster |
| CN2598793Y (en) * | 2003-03-10 | 2004-01-14 | 石崇华 | Pneumatic gearshift for car auxiliary speed variator |
| CN201093058Y (en) * | 2007-10-31 | 2008-07-30 | 长沙航空工业中南传动机械厂 | Solenoid valve controlled pneumatic gear shifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101149110A (en) | 2008-03-26 |
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