CN201339708Y - Electromagnetic valve controlled pneumatic shifting automatic speed variator - Google Patents
Electromagnetic valve controlled pneumatic shifting automatic speed variator Download PDFInfo
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- CN201339708Y CN201339708Y CNU2008202110133U CN200820211013U CN201339708Y CN 201339708 Y CN201339708 Y CN 201339708Y CN U2008202110133 U CNU2008202110133 U CN U2008202110133U CN 200820211013 U CN200820211013 U CN 200820211013U CN 201339708 Y CN201339708 Y CN 201339708Y
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Abstract
The utility model discloses a pneumatic gear shift automatic gearbox of solenoid valve control, drive the cylinder including speed change drive mechanism, solenoid valve controlling means, clutch actuating mechanism, air supply, gear shift actuating mechanism and the gear shift that is used for driving gear shift actuating mechanism, clutch actuating mechanism and gear shift actuating mechanism link to each other with speed change drive mechanism respectively, and clutch actuating mechanism and gear shift drive the air inlet of cylinder and be connected with the air supply through solenoid valve controlling means respectively, all installed the throttle governing valve in each air inlet of gear shift drive cylinder. The electromagnetic valve controlled pneumatic gear shifting automatic transmission has the advantages of adopting the electromagnetic valve to control pneumatic gear shifting and pneumatic clutch, being accurate and flexible in gear shifting and simple in structure.
Description
Technical field
The utility model relates to automobile manufacturing field, relates in particular to electromagnetic valve controlled pneumatic shift automatic speed variator.
Background technique
At present, the speed changer 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 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.
The patent No. is that the utility model patent of ZL200620051144.0 discloses a kind of automatic speed changer for machine, it is to carry out by motor drive actuator to select gear shift action and clutch combination and separating action, its shortcoming is that the gear shift action is submissive inadequately, easily causes synchronizer to ring tooth.
The model utility content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of electromagnetic valve controlled pneumatic shift and air clutch, gear shift electromagnetic valve controlled pneumatic shift automatic speed variator accurately submissive, simple in structure of adopting is provided.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of electromagnetic valve controlled pneumatic shift automatic speed variator, the gear shift that comprises variable transmission mechanism, magnetic valve controller, clutch drive, source of the gas, gear-shifting actuating mechanism and be used to drive gear-shifting actuating mechanism drives cylinder, clutch drive links to each other with variable transmission mechanism respectively with gear-shifting actuating mechanism, clutch drive is connected with source of the gas by magnetic valve controller respectively with the suction port that gear shift drives cylinder, all is equiped with the throttle grverning valve in each suction port of described gear shift driving cylinder.
Described throttle grverning valve is threaded with each suction port, and set throttle orifice one end is communicated with air inlet pipeline on the throttle grverning valve, and the other end is communicated with the inner chamber that gear shift drives cylinder.
Described magnetic valve controller comprises port plate, four connecting bolts and four solenoid valves, described port plate is provided with the connection mouth that is communicated with source of the gas, each connecting bolt passes port plate and is threaded with the suction port of a solenoid valve respectively, be equipped with gas port on each connecting bolt, described gas port one end and corresponding solenoid valve suction port connection, the other end is communicated with connection mouth.
Described four solenoid valves are respectively M1 two-position three way normal open solenoid valve, M2 two-position three way normal off solenoid valve, M3 two-position three way normal open solenoid valve and M4 two-position three way normal off solenoid valve, M1 two-position three way normal open solenoid valve, the air outlet of M2 two-position three way normal off solenoid valve and M3 two-position three way normal open solenoid valve drives cylinder with gear shift respectively and is connected, the air outlet of M4 two-position three way normal off solenoid valve is connected with clutch drive, also be provided with assignment hole on the described port plate, the P1 connection mouth that connection mouth on the port plate comprises the P2 connection mouth and is communicated with assignment hole, be communicated with the P2 connection mouth with the gas port on the connecting bolt that M4 two-position three way normal off solenoid valve joins, the gas port that remains on three connecting bolts is communicated with the P1 connection mouth through assignment hole.
Described gear shift drives cylinder and 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 execution shift fork 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, be equiped with near switch on the cylinder head of described gear shift driving cylinder, the small piston push rod is provided with near the inductive switching sheet.
Described variable transmission mechanism partly is made up of clutch part and gear, described gear partly comprises main casing, the input gear shaft, output shaft, driving gear, first speed driven gear, the second gear driven gear, one grade of driving gear, the second gear driving gear, jack shaft, bonnet, input gear shaft bearing cap, synchronizer allocating slot and synchronizer, input gear shaft bearing cap is installed in the main casing front end, bonnet is installed in the main casing rear end, input gear shaft and jack shaft are bearing on the main casing by bearing respectively, one end of output shaft is supported in the set endoporus in input gear shaft right part by bearing, the other end is bearing on the main casing by bearing, be fixed with driving gear on the jack shaft, one grade of driving gear and second gear driving gear, first speed driven gear and second gear driven gear are located on the output shaft by bearing housing, synchronizer by spline package on output shaft, and between first speed driven gear and second gear driven gear, gear on the input gear shaft and driving gear engagement, one grade of driving gear and first speed driven gear engagement, second gear driving gear and the engagement of second gear driven gear, described clutch part comprises clutch housing, release bearing, arc surface, disengaging yoke, release yoke shaft, clutch friction plate and friction plate control mechanism, clutch housing is fixedlyed connected with main casing, release yoke shaft is supported on the clutch housing by bearing, disengaging yoke is fixedlyed connected with release yoke shaft, release bearing is set on the section of extending axially of input gear shaft bearing cap, the input gear shaft stretches out the section of extending axially of input gear shaft bearing cap, and spline is set in extension, clutch friction plate is connected with the input gear shaft by spline, release bearing one end and disengaging yoke join, and the other end joins through friction plate control mechanism and clutch friction plate.
Described clutch drive comprises clutch plunger, clutch cylinder body, clutch cylinder lid and clutch push rod, clutch plunger is connected to form by clutch plunger ring and clutch plunger bar, the clutch plunger ring set is located in the clutch cylinder body, and surround the D inner chamber with the clutch cylinder body, the clutch plunger bar is sheathed in the clutch cylinder lid, clutch cylinder covers and is provided with in the D suction port that communicates with the D inner chamber, one end of described clutch push rod is connected with clutch plunger, and the other end is connected with the release yoke shaft of variable transmission mechanism.
Compared with prior art, advantage of the present utility model is:
1, saves the structure of original hydraulic control air stream drives clutch, made full use of pneumatic power, adopted solenoid valve to control compressed-air shifting and air clutch simultaneously, simplified the structure, reduced design difficulty and cost of production; Compressed-air shifting and air clutch all adopt electromagnetic valve, have removed driver's hand shift and foot-propelled clutch from, have alleviated driver's labor intensity; Gear shift drives each suction port of cylinder and is provided with the throttle grverning valve, and the airspeed that makes pressurized gas enter gear shift driving cylinder is slowed down, thereby the control gear shift drives the execution speed of cylinder, makes the gear shift action soft, steady, avoids producing shifting shock; Overall structure is simple, manufacture difficulty is lower, detection is easy to maintenance, be particluarly suitable for using on the electric oil hybrid passenger vehicle, has positive economic benefit and social benefit.
2, the throttle grverning valve is threaded with each suction port, when too fast when switching speed, still soft inadequately, can directly dismantle original throttle grverning valve, change the littler throttle grverning valve of throttle orifice, the airspeed that makes pressurized gas enter gear shift driving cylinder is further slowed down, reach the purpose of submissive gear shift, when switching speed slow excessively, when needing to improve switching speed, after can dismantling original throttle grverning valve, by the throttle orifice of machining expansion throttling series flow control valve, make pressurized gas accelerate to enter the speed that gear shift drives cylinder, reach the purpose that improves switching speed.
3, the pressed gas that provides of source of the gas is delivered in each solenoid valve of magnetic valve controller through the port plate branch, has simplified the setting of solenoid valve supply air line greatly, not only makes profile clean and tidy, attractive in appearance, and has reduced potential faults.
4, port plate is provided with two connection mouths, can be used for feeding respectively the different gas of pressure, the gas of elevated pressures feeds through connection mouth and is used for the solenoid valve that links to each other with clutch drive, the gas of lower pressure feeds with gear shift through another connection mouth and assignment hole successively and drives three solenoid valves that cylinder links to each other, thereby reaches the purpose by actual demand reasonable distribution air-flow.
5, the utility model is when finishing gear shift, gear shift drive set on the cylinder head of cylinder will be by near the detected gear positions signal of inductive switching sheet near switch, and this signal passed to electronic control system, be convenient to control, detect easy to maintenance.
6, gear shift of the present utility model drives cylinder and realizes 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, gas circuit connecting and disconnecting in the control electromagnetic valve control gear, the corresponding gear shift that makes pressurized air feed this gear drives in the inner chamber of cylinder, just can make small piston top rod driving gear-shifting actuating mechanism finish the gear shift action accurately, realize electromagnetic valve controlled pneumatic shift, thereby be convenient to combine with electronic control system, the control of realization electronic intelligence, can remove manual joystick gear shift action from, convenient and reliable operation has alleviated driver's labor intensity.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of gear-shifting actuating mechanism;
Fig. 3 is the zoomed-in view of the C-C section of Fig. 2;
Fig. 4 is the F-F cross section view of Fig. 3;
Fig. 5 is the structural representation of magnetic valve controller;
Fig. 6 is the D-D cross section view of Fig. 5;
Fig. 7 is the B-B cross section view of Fig. 1;
Magnetic valve controller schematic diagram when Fig. 8 is neutral position;
Magnetic valve controller schematic diagram when Fig. 9 is low gear;
Magnetic valve controller schematic diagram when Figure 10 is high gear;
Figure 11 is the A-A cross section view of Fig. 1;
Figure 12 is the E-E cross section view of Figure 11;
Figure 13 is the structure for amplifying schematic representation of throttle grverning valve.
Each label is represented among the figure:
1, variable transmission mechanism 2, gear-shifting actuating mechanism
3, magnetic valve controller 4, gear shift drive cylinder
5, clutch drive 6, source of the gas
7, throttle grverning valve 8, execution shift fork
9, connecting plate 10, cushion pad
20, housing 21, the collar
22, synchronous shift fork 23, declutch shift shaft
24, place kick 25, spring
26, screw plug 31, M1 two-position three way normal open solenoid valve
32, M2 two-position three way normal off solenoid valve 33, M3 two-position three way normal open solenoid valve
34, M4 two-position three way normal off solenoid valve 35, port plate
36, four connecting bolts 40, small piston push rod
41, cover plate 42, big cylinder block
43, connecting base 44, little cylinder block
45, supporting cover 46, cylinder head
47, big piston ring 48, big piston push rod
49, small piston ring 51, clutch push rod
52, clutch plunger 53, clutch cylinder body
54, clutch cylinder lid 71, throttle orifice
101, main casing 102, input gear shaft
103, output shaft 104, driving gear
105, first speed driven gear 106, second gear driven gear
107, one grade of driving gear 108, second gear driving gear
109, jack shaft 110, synchronizer allocating slot
111, synchronizer 112, bonnet
113, input gear shaft bearing cap 114, clutch housing
115, release bearing 116, arc surface
117, disengaging yoke 118, release yoke shaft
119, clutch friction plate 120, friction plate control mechanism
201, bearing hole 202, spring mounting hole
211, circular groove 231, locating slot
351, P1 connection mouth 352, P2 connection mouth
353, assignment hole 401, near switch
402, near inductive switching sheet 521, clutch plunger ring
522, clutch plunger bar
A1, M1 two-position three way normal open solenoid valve suction port A2, M1 two-position three way normal open solenoid valve air outlet
A3, A suction port A4, A inner chamber
O1, M1 two-position three way normal open solenoid valve relief opening B1, M2 two-position three way normal off solenoid valve suction port
B2, M2 two-position three way normal off solenoid valve air outlet B3, B suction port
B4, B inner chamber O2, M2 two-position three way normal off solenoid valve relief opening
C1, M3 two-position three way normal open solenoid valve suction port C2, M3 two-position three way normal open solenoid valve air outlet
C3, C suction port C4, C inner chamber
O3, M3 two-position three way normal open solenoid valve relief opening D1, M4 two-position three way normal off solenoid valve suction port
D2, M4 two-position three way normal off solenoid valve air outlet D3, D suction port
D4, D inner chamber O4, M4 two-position three way normal off solenoid valve relief opening
Embodiment
As shown in figure 1 to figure 13, electromagnetic valve controlled pneumatic shift automatic speed variator of the present utility model, the gear shift that comprises variable transmission mechanism 1, magnetic valve controller 3, clutch drive 5, source of the gas 6, gear-shifting actuating mechanism 2 and be used to drive gear-shifting actuating mechanism 2 drives cylinder 4, clutch drive 5 links to each other with variable transmission mechanism 1 respectively with gear-shifting actuating mechanism 2, clutch drive 5 is connected with source of the gas 6 by magnetic valve controller 3 respectively with the suction port that gear shift drives cylinder 4, all is equiped with throttle grverning valve 7 in each suction port of gear shift driving cylinder 4.
Variable transmission mechanism 1 partly is made up of clutch part and gear, gear partly comprises main casing 101, input gear shaft 102, output shaft 103, driving gear 104, first speed driven gear 105, second gear driven gear 106, one grade of driving gear 107, second gear driving gear 108, jack shaft 109, bonnet 112, input gear shaft bearing cap 113, set synchronizer allocating slot 110 on synchronizer 111 and the synchronizer 111, input gear shaft bearing cap 113 is installed in main casing 101 front ends, bonnet 112 is installed in main casing 101 rear ends, input gear shaft 102 and jack shaft 109 are bearing on the main casing 101 by bearing respectively, one end of output shaft 103 is supported in the set endoporus in input gear shaft 102 right parts by bearing, the other end is bearing on the main casing 101 by bearing, be fixed with driving gear 104 on the jack shaft 109, one grade of driving gear 107 and second gear driving gear 108, first speed driven gear 105 and second gear driven gear 106 are located on the output shaft 103 by bearing housing, gear on the input gear shaft 102 and driving gear 104 engagements, one grade of driving gear 107 meshes with first speed driven gear 105, second gear driving gear 108 and 106 engagements of second gear driven gear, synchronizer 111 is between first speed driven gear 105 and second gear driven gear 106, and by spline package on output shaft 103, synchronizer 111 is connected with gear-shifting actuating mechanism 2 by synchronizer allocating slot 110, clutch part comprises clutch housing 114, release bearing 115, arc surface 116, disengaging yoke 117, release yoke shaft 118, clutch friction plate 119 and friction plate control mechanism 120, clutch housing 114 is fixedlyed connected with main casing 101, release yoke shaft 118 is supported on the clutch housing 114 by bearing, disengaging yoke 117 is fixedlyed connected with release yoke shaft 118, release bearing 115 is set on the section of extending axially of input gear shaft bearing cap 113, input gear shaft 102 stretches out the section of extending axially of input gear shaft bearing cap 113, and spline is set in extension, clutch friction plate 119 is connected with input gear shaft 102 by spline, release bearing 115 1 ends and disengaging yoke 117 join, and the other end joins through friction plate control mechanism 120 and clutch friction plate 119.
Gear shift drives cylinder 4 and comprises the cover plate 41 that connects one by one, big cylinder block 42, connecting base 43, stingy cylinder body 44, supporting covers 45 and cylinder head 46, cover plate 41, big cylinder block 42 and connecting base 43 surround big cavity, sheathed big piston ring 47 in the big cavity, be arranged with the big piston push rod 48 affixed in the connecting base 43 with big piston ring 47, between big piston ring 47 and the cover plate 41 A inner chamber A4, cover plate 41 is provided with the A suction port A3 that communicates with A inner chamber A4, connecting base 43, stingy cylinder body 44 and supporting are covered 45 and are surrounded little cavity, sheathed small piston ring 49 in the little cavity, supporting is covered and is arranged with the affixed small piston push rod 40 of an end and small piston ring 49 in 45, small piston push rod 40 the other ends are connected with the execution shift fork 8 that links to each other with actuator 2 and drive actuator's 2 work, between small piston ring 49 and the connecting base 43 B inner chamber B4, connecting base 43 is provided with the B suction port B2 that communicates with B inner chamber B4, between covering 45, small piston ring 49 and supporting be C inner chamber C4, supporting is covered 45 and is provided with the C suction port C3 that communicates with C inner chamber C4, gear shift drives cylinder 4 and realizes three positioning control by big cylinder block 42 and stingy cylinder body 44 serial connections, physical dimension is little, need only be to the corresponding gear control of magnetic valve controller 3 inputs electrical signal, gas circuit connecting and disconnecting in the control electromagnetic valve control gear 3, the corresponding gear shift that makes pressurized air feed this gear drives in the inner chamber of cylinder 4, just can make small piston push rod 40 drive gear-shifting actuating mechanism 2 and finish the gear shift action accurately, realize electromagnetic valve controlled pneumatic shift, thereby be convenient to combine with electronic control system, the control of realization electronic intelligence, can remove manual joystick gear shift action from, convenient and reliable operation has alleviated driver's labor intensity.All be equiped with throttle grverning valve 7 in A suction port A3, B suction port B3 and the C suction port C3, the airspeed that can make pressurized gas enter gear shift driving cylinder 4 is slowed down, thereby the control gear shift drives the execution speed of cylinder 4, makes the gear shift action soft, steady, avoids producing shifting shock.Throttle grverning valve 7 is threaded with each suction port, set throttle orifice 71 1 ends are communicated with air inlet pipeline on the throttle grverning valve 7, the other end is communicated with the inner chamber that gear shift drives cylinder 4, when switching speed too fast, when gear shift driving cylinder 5 is hit greatly, can directly dismantle original throttle grverning valve 7, change the littler throttle grverning valve 7 of throttle orifice 71 cross sections, the airspeed that makes pressurized gas enter gear shift driving cylinder 5 is further slowed down, reach the purpose of submissive gear shift, when switching speed slow excessively, when needing to improve switching speed, after can dismantling original throttle grverning valve 7, throttle orifice 71 by machining expansion throttling series flow control valve 7 makes pressurized gas accelerate to enter the speed that gear shift drives cylinder, reaches the purpose that improves switching speed.Be equiped with a pair of on the cylinder head 46 of gear shift driving cylinder 4 near switch 401, small piston push rod 40 is provided with near inductive switching sheet 402, when finishing gear shift, will be near switch 401 by detecting the gear positions signal near inductive switching sheet 402, and this signal passed to electronic control system, be convenient to control, detect easy to maintenance.Cover plate 41 covers an end of 45 close small piston rings 49 near an end, the supporting of big piston ring 47 and the two ends of connecting base 43 are equipped with cushion pad 10, can play the effect of vibration reduction and cushioning, and it is impaired to prevent that gear shift from driving cylinder 4.Gear-shifting actuating mechanism 2 comprises housing 20, the collar 21, synchronous shift fork 22, declutch shift shaft 23, place kick 24, spring 25 and screw plug 26, housing 20 drives cylinder 4 by connecting plate 9 and gear shift and fixedlys connected, the two ends of declutch shift shaft 23 are slidedly arranged on the housing 20 in the set bearing hole 201, the shift fork 22 and the collar 21 are installed on the declutch shift shaft 23 synchronously, the collar 21 is provided with circular groove 211, and is connected with execution shift fork 8 by this circular groove 211.Housing 20 is provided with the spring mounting hole 202 that communicates with bearing hole 201, spring 25 is located in the spring mounting hole 202, screw plug 26 is installed in the end that spring mounting hole 202 is positioned at housing 20 outsides, one end of declutch shift shaft 23 is provided with three and spring mounting hole 202 corresponding locating slots 231, and place kick 24 is located between locating slot 231 and the spring 25.
Magnetic valve controller 3 comprises M1 two-position three way normal open solenoid valve 31, M2 two-position three way normal off solenoid valve 32, M3 two-position three way normal open solenoid valve 33, M4 two-position three way normal off solenoid valve 34, port plate 35 and four connecting bolts 36, port plate 35 is provided with assignment hole 353, P1 connection mouth 351 that is communicated with source of the gas 6 and P2 connection mouth 352, P1 connection mouth 351 is communicated with assignment hole 353, each connecting bolt 36 passes port plate 35 and is threaded with the suction port of a solenoid valve respectively, be equipped with gas port on each connecting bolt 36, be communicated with P2 connection mouth 352 with the gas port on the connecting bolt 36 that M4 two-position three way normal off solenoid valve 34 joins, the gas port that remains on three connecting bolts 36 is communicated with P1 connection mouths 351 through assignment hole 353.The pressed gas that source of the gas 6 provides was delivered in each solenoid valve of magnetic valve controller 3 through port plate in 35 minutes, had simplified the setting of solenoid valve supply air line greatly, not only made profile clean and tidy, attractive in appearance, and had reduced potential faults.P1 connection mouth 351 can feed the different gas of pressure respectively with P2 connection mouth 352, the gas of elevated pressures feeds through P2 connection mouth 352 and is used for the M4 two-position three way normal off solenoid valve 34 that links to each other with clutch drive 5, the gas of lower pressure feeds with gear shift with assignment hole 353 through other P1 connection mouth 351 successively and drives three solenoid valves that cylinder 4 links to each other, thereby reaches the purpose by actual demand reasonable distribution air-flow.
M4 two-position three way normal off solenoid valve 34 is used to the D inner chamber D4 supply gas of clutch drive 5, M4 two-position three way normal off solenoid valve suction port D1 is the gas port on connecting bolt 36 and P2 connection mouth 352 and source of the gas 6 connections successively, and M4 two-position three way normal off solenoid valve air outlet D2 is communicated with D suction port D3 by pipeline.M3 two-position three way normal open solenoid valve 33 is used to the C inner chamber C4 supply gas that drives cylinder 4, the M3 two-position three way normal open solenoid valve suction port C1 gas port on connecting bolt 36, assignment hole 353 and P1 connection mouth 351 successively connects with source of the gas 6, and M3 two-position three way normal open solenoid valve air outlet C2 is communicated with C suction port C3 by pipeline.M2 two-position three way normal off solenoid valve 32 is used to the B inner chamber B4 supply gas that drives cylinder 4, the M2 two-position three way normal off solenoid valve suction port B1 gas port on connecting bolt 36, assignment hole 353 and P1 connection mouth 351 successively connects with source of the gas 6, and M2 two-position three way normal off solenoid valve air outlet B2 is communicated with B suction port B3 by pipeline.M1 two-position three way normal open solenoid valve 31 is used to the A inner chamber A4 supply gas that drives cylinder 4, the M1 two-position three way normal open solenoid valve suction port A1 gas port on connecting bolt 36, assignment hole 353 and P1 connection mouth 351 successively connects with source of the gas 6, and M1 two-position three way normal open solenoid valve air outlet A2 is communicated with A suction port A3 by pipeline.
Electromagnetic valve controlled pneumatic shift automatic speed variator of the present utility model has saved the structure of original hydraulic control air stream drives clutch, make full use of pneumatic power, adopt solenoid valve to control compressed-air shifting and air clutch simultaneously, simplify the structure, reduced design difficulty and cost of production; Compressed-air shifting and air clutch all adopt electromagnetic valve, have removed the hand shift and the foot-propelled clutch of the frame person of sailing from, have alleviated labor intensity; Overall structure is simple, manufacture difficulty is lower, detection is easy to maintenance, be particluarly suitable for using on the electric oil hybrid passenger vehicle, has positive economic benefit and social benefit.
Below in conjunction with the magnetic valve controller schematic diagram electromagnetic valve process of the present utility model is described in further detail:
As shown in Figure 8, when M4 two-position three way normal off solenoid valve 34 is in off-position, the D inner chamber D4 of clutch drive 5 communicates with M4 two-position three way normal off solenoid valve relief opening O4 through D suction port D3, M4 two-position three way normal off solenoid valve air outlet D2, and at this moment, clutch is in bonding state.When M4 two-position three way normal off solenoid valve 34 is in "on" position, source of the gas 6 inner high voltage gases pass through P2 connection mouth 352 successively, M4 two-position three way normal off solenoid valve suction port D1, M4 two-position three way normal off solenoid valve air outlet D2, suction port D3 enters the D inner chamber D4 of clutch drive 5, at this moment, the clutch plunger 52 of clutch drive 5 drives release yoke shaft 118 successively through clutch push rod 51, disengaging yoke 117, release bearing 115 motions, promote friction plate control mechanism 120 by release bearing 115, clutch friction plate 119 is separated, and clutch is in separated state.
As shown in Figure 8, when whole solenoid valves cut off the power supply, source of the gas 6 inner high voltage gases pass through M1 two-position three way normal open solenoid valve suction port A1 successively through P1 connection mouth 351, M1 two-position three way normal open solenoid valve air outlet A2, A suction port A3, enter the A inner chamber A4 that gear shift drives cylinder 5, source of the gas 6 inner high voltage gases pass through M3 two-position three way normal open solenoid valve suction port C1 successively from P1 connection mouth 351 simultaneously, M3 two-position three way normal open solenoid valve air outlet C2, C suction port C3, enter the C inner chamber C4 that gear shift drives cylinder 5, gear shift drives the B inner chamber B4 of cylinder 5 through B suction port B3, M2 two-position three way normal off solenoid valve air outlet B2 communicates with M2 two-position three way normal off solenoid valve relief opening O2, at this moment, A inner chamber A4 and C inner chamber C4 ventilate simultaneously, B inner chamber B4 is a normal pressure, the small piston ring 49 that gear shift drives cylinder 5 drives execution shift fork 8 successively through small piston push rod 40, declutch shift shaft 23, synchronous shift fork 22, synchronizer 111 is together to the motion of neutral position 0 position, and this moment, synchronizer 111 did not mesh with first speed driven gear 105 or second gear driven gear 106.
As shown in Figure 9, when 31 energisings of M1 two-position three way normal open solenoid valve, source of the gas 6 inner high voltage gases pass through M3 two-position three way normal open solenoid valve suction port C1 successively through P1 connection mouth 351, M3 two-position three way normal open solenoid valve air outlet C2, C suction port C3, enter the C inner chamber C4 that gear shift drives cylinder 5, gear shift drives the B inner chamber B4 of cylinder 5 through B suction port B3, M2 two-position three way normal off solenoid valve air outlet B2 communicates with M2 two-position three way normal off solenoid valve relief opening O2, gear shift drives the A inner chamber A4 of cylinder 5 through A suction port A3, M1 two-position three way normal open solenoid valve air outlet A2 communicates with M1 two-position three way normal open solenoid valve relief opening O1, at this moment, C inner chamber C4 ventilation, A inner chamber A4 and B inner chamber B4 are normal pressure, at this moment, the small piston ring 49 that gear shift drives cylinder 5 drives execution shift fork 8 successively through small piston push rod 40, declutch shift shaft 23, synchronous shift fork 22, synchronizer 111 moves to low gear L position together, second gear driven gear 106 is placed on the output shaft 103 at this moment, and first speed driven gear 105 combines with output shaft 103 by synchronizer 111, and rotatablely moving of gear shaft 102 of input passed through driving gear 104 successively, one grade of driving gear 107, first speed driven gear 105, synchronizer 111 passes to output shaft 103.
As shown in figure 10, when M2 two-position three way normal off solenoid valve 32 and M3 two-position three way normal open solenoid valve 33 are switched on simultaneously, source of the gas 6 inner high voltage gases pass through M2 two-position three way normal off solenoid valve suction port B1 successively through P1 connection mouth 351, M2 two-position three way normal off solenoid valve air outlet B2, B suction port B3, enter the B inner chamber B4 that gear shift drives cylinder 5, simultaneously pass through M1 two-position three way normal open solenoid valve suction port A1 successively through P1 connection mouth 351, M1 two-position three way normal open solenoid valve air outlet A2, A suction port A3, enter the A inner chamber A4 that gear shift drives cylinder 5, gear shift drives the C inner chamber C4 of cylinder 5 through C suction port C3, M3 two-position three way normal open solenoid valve air outlet C2 communicates with relief opening O3, at this moment, A inner chamber A4 and B inner chamber B4 ventilation, C inner chamber C4 is a normal pressure, the small piston ring 49 that gear shift drives cylinder 5 drives execution shift fork 8 successively through small piston push rod 40, declutch shift shaft 23, synchronous shift fork 22, synchronizer 111 moves to high gear H position together, this moment, first speed driven gear 105 was placed on the output shaft 103, and second gear driven gear 106 combines with output shaft 103 by synchronizer 111, and rotatablely moving of gear shaft 102 of input passed through driving gear 104 successively, second gear driving gear 108, second gear driven gear 106, synchronizer 111 passes to output shaft 103.
After each gear shift puts in place, make M1 two-position three way normal open solenoid valve 31, M3 two-position three way normal open solenoid valve 33 be in "on" position, M2 two-position three way normal off solenoid valve 32 is in off-position simultaneously, and source of the gas 6 is disconnected, and prevents high pressure gas leakage.
Claims (10)
1, a kind of electromagnetic valve controlled pneumatic shift automatic speed variator, comprise variable transmission mechanism (1), magnetic valve controller (3), clutch drive (5), source of the gas (6), the gear shift that gear-shifting actuating mechanism (2) and being used to drives gear-shifting actuating mechanism (2) drives cylinder (4), clutch drive (5) links to each other with variable transmission mechanism (1) respectively with gear-shifting actuating mechanism (2), it is characterized in that: clutch drive (5) is connected with source of the gas (6) by magnetic valve controller (3) respectively with the suction port that gear shift drives cylinder (4), all is equiped with throttle grverning valve (7) in each suction port of described gear shift driving cylinder (4).
2, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 1, it is characterized in that: described throttle grverning valve (7) is threaded with each suction port, throttle grverning valve (7) is gone up set throttle orifice (71) one ends and is communicated with air inlet pipeline, and the other end is communicated with the inner chamber that gear shift drives cylinder (4).
3, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 1 and 2, it is characterized in that: described magnetic valve controller (3) comprises port plate (35), four connecting bolts (36) and four solenoid valves, described port plate (35) is provided with the connection mouth that is communicated with source of the gas (6), each connecting bolt (36) passes port plate (35) and is threaded with the suction port of a solenoid valve respectively, each connecting bolt is equipped with gas port on (36), described gas port one end and corresponding solenoid valve suction port connection, the other end is communicated with connection mouth.
4, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 3, it is characterized in that: described four solenoid valves are respectively M1 two-position three way normal open solenoid valve (31), M2 two-position three way normal off solenoid valve (32), M3 two-position three way normal open solenoid valve (33) and M4 two-position three way normal off solenoid valve (34), M1 two-position three way normal open solenoid valve (31), the air outlet of M2 two-position three way normal off solenoid valve (32) and M3 two-position three way normal open solenoid valve (33) drives cylinder (4) with gear shift respectively and is connected, the air outlet of M4 two-position three way normal off solenoid valve (34) is connected with clutch drive (5), also be provided with assignment hole (353) on the described port plate (35), connection mouth on the port plate (35) comprises P2 connection mouth (352) and the P1 connection mouth (351) that is communicated with assignment hole (353), be communicated with P2 connection mouth (352) with the gas port on the connecting bolt (36) that M4 two-position three way normal off solenoid valve (34) joins, the gas port that remains on three connecting bolts (36) is communicated with P1 connection mouth (351) through assignment hole (353).
5, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 1 and 2, it is characterized in that: described gear shift drives cylinder (4) and comprises the cover plate (41) that connects one by one, big cylinder block (42), connecting base (43), little cylinder block (44), supporting lid (45) and cylinder head (46), described cover plate (41), big cylinder block (42) and connecting base (43) surround big cavity, sheathed big piston ring (47) in the described big cavity, be arranged with the big piston push rod (48) affixed in the connecting base (43) with big piston ring (47), be A inner chamber (A4) between big piston ring (47) and the cover plate (41), cover plate (41) is provided with the A suction port (A3) that communicates with A inner chamber (A4), described connecting base (43), little cylinder block (44) and supporting lid (45) surround little cavity, sheathed small piston ring (49) in the described little cavity, be arranged with an end and the affixed small piston push rod (40) of small piston ring (49) in the supporting lid (45), small piston push rod (40) the other end is connected with the execution shift fork (8) that links to each other with actuator (2) and drive actuator (2) work, be B inner chamber (B4) between small piston ring (49) and the connecting base (43), connecting base (43) is provided with the B suction port (B2) that communicates with B inner chamber (B4), between small piston ring (49) and the supporting lid (45) is C inner chamber (C4), supporting lid (45) is provided with the C suction port (C3) that communicates with C inner chamber (C4), described gear shift drives and is equiped with a pair ofly near switch (401) on the cylinder head (46) of cylinder (4), and small piston push rod (40) is provided with near inductive switching sheet (402).
6, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 3, it is characterized in that: described gear shift drives cylinder (4) and comprises the cover plate (41) that connects one by one, big cylinder block (42), connecting base (43), little cylinder block (44), supporting lid (45) and cylinder head (46), described cover plate (41), big cylinder block (42) and connecting base (43) surround big cavity, sheathed big piston ring (47) in the described big cavity, be arranged with the big piston push rod (48) affixed in the connecting base (43) with big piston ring (47), be A inner chamber (A4) between big piston ring (47) and the cover plate (41), cover plate (41) is provided with the A suction port (A3) that communicates with A inner chamber (A4), described connecting base (43), little cylinder block (44) and supporting lid (45) surround little cavity, sheathed small piston ring (49) in the described little cavity, be arranged with an end and the affixed small piston push rod (40) of small piston ring (49) in the supporting lid (45), small piston push rod (40) the other end is connected with the execution shift fork (8) that links to each other with actuator (2) and drive actuator (2) work, be B inner chamber (B4) between small piston ring (49) and the connecting base (43), connecting base (43) is provided with the B suction port (B2) that communicates with B inner chamber (B4), between small piston ring (49) and the supporting lid (45) is C inner chamber (C4), supporting lid (45) is provided with the C suction port (C3) that communicates with C inner chamber (C4), described gear shift drives and is equiped with a pair ofly near switch (401) on the cylinder head (46) of cylinder (4), and small piston push rod (40) is provided with near inductive switching sheet (402).
7, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 4, it is characterized in that: described gear shift drives cylinder (4) and comprises the cover plate (41) that connects one by one, big cylinder block (42), connecting base (43), little cylinder block (44), supporting lid (45) and cylinder head (46), described cover plate (41), big cylinder block (42) and connecting base (43) surround big cavity, sheathed big piston ring (47) in the described big cavity, be arranged with the big piston push rod (48) affixed in the connecting base (43) with big piston ring (47), be A inner chamber (A4) between big piston ring (47) and the cover plate (41), cover plate (41) is provided with the A suction port (A3) that communicates with A inner chamber (A4), described connecting base (43), little cylinder block (44) and supporting lid (45) surround little cavity, sheathed small piston ring (49) in the described little cavity, be arranged with an end and the affixed small piston push rod (40) of small piston ring (49) in the supporting lid (45), small piston push rod (40) the other end is connected with the execution shift fork (8) that links to each other with actuator (2) and drive actuator (2) work, be B inner chamber (B4) between small piston ring (49) and the connecting base (43), connecting base (43) is provided with the B suction port (B2) that communicates with B inner chamber (B4), between small piston ring (49) and the supporting lid (45) is C inner chamber (C4), supporting lid (45) is provided with the C suction port (C3) that communicates with C inner chamber (C4), described gear shift drives and is equiped with a pair ofly near switch (401) on the cylinder head (46) of cylinder (4), and small piston push rod (40) is provided with near inductive switching sheet (402).
8, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 1 and 2, it is characterized in that: described variable transmission mechanism (1) partly is made up of clutch part and gear, described gear partly comprises main casing (101), input gear shaft (102), output shaft (103), driving gear (104), first speed driven gear (105), second gear driven gear (106), one grade of driving gear (107), second gear driving gear (108), jack shaft (109), bonnet (112), input gear shaft bearing cap (113), synchronizer (111) and synchronizer (111) are gone up set synchronizer allocating slot (110), input gear shaft bearing cap (113) is installed in main casing (101) front end, bonnet (112) is installed in main casing (101) rear end, input gear shaft (102) and jack shaft (109) are bearing on the main casing (101) by bearing respectively, one end of output shaft (103) is supported in the set endoporus in input gear shaft (102) right part by bearing, the other end is bearing on the main casing (101) by bearing, be fixed with driving gear (104) on the jack shaft (109), one grade of driving gear (107) and second gear driving gear (108), first speed driven gear (105) and second gear driven gear (106) are located on the output shaft (103) by bearing housing, gear on the input gear shaft (102) and driving gear (104) engagement, one grade of driving gear (107) and first speed driven gear (105) engagement, second gear driving gear (108) and second gear driven gear (106) engagement, synchronizer (111) is positioned between first speed driven gear (105) and the second gear driven gear (106), and by spline package on output shaft (103), synchronizer (111) is connected with gear-shifting actuating mechanism (2) by synchronizer allocating slot (110), described clutch part comprises clutch housing (114), release bearing (115), arc surface (116), disengaging yoke (117), release yoke shaft (118), clutch friction plate (119) and friction plate control mechanism (120), clutch housing (114) is fixedlyed connected with main casing (101), release yoke shaft (118) is supported on the clutch housing (114) by bearing, disengaging yoke (117) is fixedlyed connected with release yoke shaft (118), release bearing (115) is set on the section of extending axially of input gear shaft bearing cap (113), input gear shaft (102) stretches out the section of extending axially of input gear shaft bearing cap (113), and spline is set in extension, clutch friction plate (119) is connected with input gear shaft (102) by spline, release bearing (115) one ends and disengaging yoke (117) join, and the other end joins through friction plate control mechanism (120) and clutch friction plate (119).
9, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 7, it is characterized in that: described variable transmission mechanism (1) partly is made up of clutch part and gear, described gear partly comprises main casing (101), input gear shaft (102), output shaft (103), driving gear (104), first speed driven gear (105), second gear driven gear (106), one grade of driving gear (107), second gear driving gear (108), jack shaft (109), bonnet (112), input gear shaft bearing cap (113), synchronizer (111) and synchronizer (111) are gone up set synchronizer allocating slot (110), input gear shaft bearing cap (113) is installed in main casing (101) front end, bonnet (112) is installed in main casing (101) rear end, input gear shaft (102) and jack shaft (109) are bearing on the main casing (101) by bearing respectively, one end of output shaft (103) is supported in the set endoporus in input gear shaft (102) right part by bearing, the other end is bearing on the main casing (101) by bearing, be fixed with driving gear (104) on the jack shaft (109), one grade of driving gear (107) and second gear driving gear (108), first speed driven gear (105) and second gear driven gear (106) are located on the output shaft (103) by bearing housing, gear on the input gear shaft (102) and driving gear (104) engagement, one grade of driving gear (107) and first speed driven gear (105) engagement, second gear driving gear (108) and second gear driven gear (106) engagement, synchronizer (111) is positioned between first speed driven gear (105) and the second gear driven gear (106), and by spline package on output shaft (103), synchronizer (111) is connected with gear-shifting actuating mechanism (2) by synchronizer allocating slot (110), described clutch part comprises clutch housing (114), release bearing (115), arc surface (116), disengaging yoke (117), release yoke shaft (118), clutch friction plate (119) and friction plate control mechanism (120), clutch housing (114) is fixedlyed connected with main casing (101), release yoke shaft (118) is supported on the clutch housing (114) by bearing, disengaging yoke (117) is fixedlyed connected with release yoke shaft (118), release bearing (115) is set on the section of extending axially of input gear shaft bearing cap (113), input gear shaft (102) stretches out the section of extending axially of input gear shaft bearing cap (113), and spline is set in extension, clutch friction plate (119) is connected with input gear shaft (102) by spline, release bearing (115) one ends and disengaging yoke (117) join, and the other end joins through friction plate control mechanism (120) and clutch friction plate (119).
10, electromagnetic valve controlled pneumatic shift automatic speed variator according to claim 9, it is characterized in that: described clutch drive (5) comprises clutch plunger (52), clutch cylinder body (53), clutch cylinder lid (54) and clutch push rod (51), clutch plunger (52) is connected to form by clutch plunger ring (521) and clutch plunger bar (522), clutch plunger ring (521) is sheathed in the clutch cylinder body (53), and surround D inner chamber (D4) with clutch cylinder body (53), clutch plunger bar (522) is sheathed in the clutch cylinder lid (54), clutch cylinder lid (54) is provided with in the D suction port (D3) that communicates with D inner chamber (D4), one end of described clutch push rod (51) is connected with clutch plunger (52), and the other end is connected with the release yoke shaft (118) of variable transmission mechanism (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202110133U CN201339708Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic valve controlled pneumatic shifting automatic speed variator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202110133U CN201339708Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic valve controlled pneumatic shifting automatic speed variator |
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| CN201339708Y true CN201339708Y (en) | 2009-11-04 |
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| CNU2008202110133U Expired - Fee Related CN201339708Y (en) | 2008-12-19 | 2008-12-19 | Electromagnetic valve controlled pneumatic shifting automatic speed variator |
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| CN101435503B (en) * | 2008-12-19 | 2013-02-27 | 长沙航空工业中南传动机械厂 | Electromagnetic valve controlled pneumatic shift automatic speed variator |
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Granted publication date: 20091104 Termination date: 20111219 |