CN103322182A - Pneumatic gear-shifting device for vehicle - Google Patents
Pneumatic gear-shifting device for vehicle Download PDFInfo
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- CN103322182A CN103322182A CN2013102485892A CN201310248589A CN103322182A CN 103322182 A CN103322182 A CN 103322182A CN 2013102485892 A CN2013102485892 A CN 2013102485892A CN 201310248589 A CN201310248589 A CN 201310248589A CN 103322182 A CN103322182 A CN 103322182A
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Abstract
A pneumatic gear-shifting device for a vehicle comprises a pressure air source. The pressure air source is respectively connected with pressure gas inlets P of a plurality of three-position five-way middle discharge solenoid valves, a working port A of every three-position five-way middle discharge solenoid valve is connected with inlets of left pressure gas channels of blocking valves respectively through pipes, a working port B of every three-position five-way middle discharge solenoid valve is respectively connected with an inlet of a right pressure gas channel of one blocking valve respectively through pipes, and an outlet of the left pressure gas channel and an outlet of the right pressure gas channel of every blocking valve are respectively correspondingly connected with a left working cavity and a right working cavity of an automatic accurate returning double extension rod cylinder. In outage, the right pressure gas channel and the left pressure gas channel of every blocking valve are in an off state. The pneumatic gear-shifting device for the vehicle can remarkably improve vehicle gear-shifting stability and flexibility, can prolong service life of a vehicle engine and is low in failure rate and stable and reliable in working performance.
Description
Technical field
The present invention relates to a kind of vehicle launch gearshift.
Background technique
Existing vehicle shifter all is to adopt Mechanical Driven or hydraulic driving usually, though this is because existing pair of boom cylinder has working medium and obtain easily, need not to reclaim with the air of crossing; air viscosity is little, and fluid resistance losses is little, and speed is fast; but high speed motion; pneumatic apparatus movement velocity height is subjected to such environmental effects such as temperature, humidity little, uses safety; simple in structure; easy to maintenance, the life-span is long, and advantages such as overload protection performance are arranged itself.But because gas has compressible row, make existing pair of boom cylinder when needing the piston return and accurately rest on a certain definite position, the middle part of cylinder body, it can't realize accurate setting movement, causes existing cylinder to be used in the many fields that comprise the vehicle launch gearshift thus.
Summary of the invention
The object of the present invention is to provide a kind of stationarity and flexibility that can significantly promote vehicle shift, and then can simplify speed-changing operation device, and rate of fault is low, the vehicle launch gearshift of stable and reliable working performance.
Vehicle launch gearshift of the present invention, comprise pressure gas source, pressure gas source by air delivering pipeline respectively with a plurality of three-position five-ways in let out solenoid valve pressed gas import P link to each other, the A working hole of letting out solenoid valve in each three-position five-way links to each other by the import of pipeline with the left pressed gas path of blocking-valve respectively, the B working hole of letting out solenoid valve in each three-position five-way links to each other by the import of pipeline with the right pressed gas path of a blocking-valve respectively, the left side of the outlet of the left pressed gas path of each blocking-valve and the outlet of right pressed gas path difference correspondence and automatically accurate return pair boom cylinders, right active chamber links to each other, during outage, right pressed gas path and the left pressed gas path of each blocking-valve are in off state;
Accurately the left piston bar of the two boom cylinders of return or the outer end of right piston rod and shift fork torque arm are hinged and connected automatically for each, shift fork torque arm inner end is sleeved on the declutch shift shaft of gearbox of vehicle, when each when automatically accurately the described left piston bar of the two boom cylinders of return or described right piston rod are in the meta that does not stretch out, gearbox is in the neutral position, the middle part of the cylinder body outer side wall of the two boom cylinders of each described automatically accurate return is provided with pin rocker bearing, and each cylinder body is by the pin rocker bearing location and installation; The left and right sides on the sidewall of cylinder body is respectively equipped with magnetic switch;
Letting out solenoid valve and each blocking-valve in each three-position five-way is electrically connected with circuit control device respectively, a circuit control device blocking-valve therein is in when connecing electricity condition, can allow other blocking-valves be in off-position, thereby left piston bar, the right piston rod of the two boom cylinders of automatically accurately return that are subjected to its control can not be moved;
The two boom cylinders of described automatically accurate return comprise piston, the left piston bar, right piston rod and cylinder body, the left end of cylinder body is provided with left end cap, the right-hand member of cylinder body is provided with right end cap, be set with left pressure spring on the left piston bar, the right-hand member of left side pressure spring withstands on the left end of described left end cap, the left end of left side pressure spring withstands on the right-hand member of left spring seat, the middle part of left spring seat is provided with left through hole, the diameter of left side through hole is greater than the diameter of left piston bar, described left piston bar passes left through hole, the left end of left piston bar is provided with more than one left nut, match with the left side of left spring seat in the right side that is positioned at the left nut of left end, be provided with a plurality of left guide-localizations hole around ground near the edge of left spring seat, the left guide-localization of on the left spring seat each hole adopts Spielpassung to be fitted with a left guide rod respectively, the axis of each left guide rod lays respectively at the left and right horizontal direction, the right-hand member of each left guide rod links to each other with described cylinder body respectively, the left end of each left guide rod is respectively equipped with left positioning screw cap or left setscrew nut, matches with the left side of left spring seat in the right side of left positioning screw cap or left setscrew nut;
Described right upper cover of piston rod is equipped with right pressure spring, the left end of right pressure spring withstands on the right-hand member of described right end cap, the right-hand member of right pressure spring withstands on the left end of right spring seat, the middle part of right spring seat is provided with right through hole, the diameter of right through hole is greater than the diameter of right piston rod, described right piston rod passes right through hole, the right-hand member of right piston rod is provided with more than one right nut, match with the right side of right spring seat in the left side that is positioned at the right nut of left end, be provided with a plurality of right guide-localizations hole around ground near the edge of right spring seat, each right guide-localization hole on the right spring seat adopts Spielpassung to be fitted with a right guide rod respectively, the axis of each right guide rod lays respectively at the left and right horizontal direction, the left end of each right guide rod links to each other with described cylinder body respectively, the right-hand member of each right guide rod is respectively equipped with right positioning screw cap or right setscrew nut, matches with the right side of right spring seat in the left side of right positioning screw cap or right setscrew nut.
Vehicle launch gearshift of the present invention, the quantity of the two boom cylinders of wherein said automatically accurate return is 3, the gear of described gearbox comprise reverse gear, I retaining, II retaining, III retaining, IV retaining, V retaining, the right piston rod regulation and control of the two boom cylinders of one of them automatically accurate return are reversed gear, the I retaining, the left piston bar regulation and control II retaining of the two boom cylinders of another automatically accurate return, III retaining, left piston bar regulation and control IV retaining, the V of the two boom cylinders of the automatic accurately return of another one keep off.
Be provided with 2-6 circular left guide-localization hole around ground near the vehicle launch gearshift of the present invention, the edge of wherein said left spring seat, the cross section of described left guide rod is circular, and the quantity of left guide rod equates with the quantity in left guide-localization hole; Be provided with 2-6 circular right guide-localization hole around ground near the edge of described right spring seat, the cross section of described right guide rod is circular, the quantity of right guide rod equates with the quantity in right guide-localization hole, the right-hand member of each described left guide rod links to each other with described cylinder body by being threaded respectively, and the left end of each right guide rod links to each other with described cylinder body by being threaded respectively.
Vehicle launch gearshift of the present invention, wherein said pressure gas source comprises air pump and gas holder, is in series with oil and water seperator and pneumatic triple piece on the described air delivering pipeline.
Vehicle launch gearshift of the present invention, the middle part of the right side of wherein said left spring seat has columniform left boss, the left part of described left pressure spring is sleeved on the left boss of left spring seat, the middle part of the left side of left spring seat has left counterbore, and described left nut can enter in the left counterbore; The middle part of the left side of described right spring seat has columniform right boss, and the right side part of described right pressure spring is sleeved on the right boss of right spring seat, and the middle part of the right side of right spring seat has right counterbore, and described right nut can enter in the right counterbore; The left end of described left end cap is provided with left flange, and the right side part of described left pressure spring is sleeved on the left flange of left end cap, and the right-hand member of described right end cap is provided with right flange, and the left part of described right pressure spring is sleeved on the right flange of right end cap.
Vehicle launch gearshift of the present invention, wherein when described left piston bar or described right piston rod are in the meta that does not stretch out, the acting in conjunction of a left side pressure spring and right pressure spring allows the interior maintenance gap about equally, bottom of bottom in right side and the left counterbore of left nut and right nut and right counterbore.
Bottom gap in the vehicle launch gearshift of the present invention, the right side of wherein said left nut and left counterbore is 0.05-0.15mm, and the gap of the bottom in described right nut and the right counterbore is 0.05-0.15mm.
Vehicle launch gearshift of the present invention, bottom gap in the right side of wherein said left nut and the left counterbore is 0.1mm, the gap of the bottom in described right nut and the right counterbore is 0.1mm, described left spring seat is square, four jiaos of left guide-localization holes that are respectively equipped with 1 circle at left spring seat edge; Described right spring seat is square, four jiaos of right guide-localization holes that are respectively equipped with 1 circle at right spring seat edge, and the right-hand member of described right piston rod adopts to be threaded and is installed with the torque arm joint.
Vehicle launch gearshift of the present invention is when needs are shifted gears, can connect the gas circuit of letting out solenoid valve and blocking-valve in the corresponding three-position five-way by circuit control device, the pressed gas of pressure gas source will be transported to the two boom cylinders of corresponding automatically accurate return by letting out solenoid valve and blocking-valve in air delivering pipeline and the three-position five-way, the left piston bar, the right piston rod that drive the two boom cylinders of this automatically accurate return are done point-device motion, and then realize the Pneumatic shift operation.Owing to adopted the two boom cylinders of the distinctive automatically accurate return of the present invention, it not only can do point-device time meta motion, can also position at meta, left side pressure spring, the effect that compresses in advance that right pressure spring has also can effectively overcome the return resistance, this pre-pressing force overcomes the return resistance on the one hand, location resistance that on the other hand can left and right sides meta, make the motion of the two boom cylinders of automatically accurate return of the present invention more free and relaxed, because accurately the return pressure spring of the two boom cylinders of return can not cause wearing and tearing to inboard wall of cylinder block automatically, so longer service life of associated components, simple in structure, shift control method is simple, and the employing Pneumatic shift, it is soft also to have a gearshift active force, can absorb the characteristics of impact shock.Experiment shows, adopt vehicle launch gearshift of the present invention can significantly promote stationarity and the flexibility of vehicle shift, and then can simplify gear controller, and can realize the automatic speed changing of mechanical gear box, and the rate of fault of device is low, stable and reliable working performance.
Below in conjunction with accompanying drawing vehicle launch gearshift of the present invention is described further.
Description of drawings
Fig. 1 is the fundamental diagram of the pneumatic system of vehicle launch gearshift of the present invention;
Fig. 2 is the plan view of structural representation of the two boom cylinder portion of automatically accurately return of vehicle launch gearshift of the present invention;
Fig. 3 is the mounting structure schematic representation of the gearbox part of vehicle launch gearshift of the present invention.
Embodiment
As shown in Figure 1, vehicle launch gearshift of the present invention comprises pressure gas source, and pressure gas source comprises air pump 26 and gas holder 27.The gas holder 27 of pressure gas source by air delivering pipeline 28 respectively with 3 three-position five-ways in let out solenoid valve 32 pressed gas import P link to each other, the quantity of letting out solenoid valve 32 in the three-position five-way also can become 1 or 2 or 4 or 5 or more according to the needs of gear, be in series with oil and water seperator 29 and pneumatic triple piece 30 on the air delivering pipeline 28, the A working hole of letting out solenoid valve 32 in each three-position five-way links to each other by the import of pipeline with the left pressed gas path of blocking-valve 33 respectively, the B working hole of letting out solenoid valve 32 in each three-position five-way links to each other by the import of pipeline with the right pressed gas path of a blocking-valve 33 respectively, the left side of the outlet of the left pressed gas path of each blocking-valve 33 and the outlet of right pressed gas path difference correspondence and automatically accurate return pair boom cylinders 31, right active chamber links to each other, during blocking-valve 33 outages, right pressed gas path and the left pressed gas path of each blocking-valve 33 are in off state, the left side of the corresponding two boom cylinders 31 of automatically accurate return, gas in the right active chamber can not flow out, be somebody's turn to do the left piston bar 1 of the two boom cylinders 31 of automatically accurate return, right piston rod 2 can not move, thereby can avoid the gear misoperation; During blocking-valve 33 energisings, right pressed gas path and the left pressed gas path of blocking-valve 33 are in on-state, and accurately left piston bar 1, the right piston rod 2 of the two boom cylinders 31 of return just can move automatically for these.
As shown in Figures 2 and 3, shown in, the left piston bar 1 of the two boom cylinders 31 of each automatically accurate return or right piston rod 2 are hinged and connected with the outer end of shift fork torque arm 23, each shift fork torque arm 23 correspondence a neutral position and two speed change gears, the illustrated position of each shift fork torque arm 23 is neutral position, rotating counterclockwise a position is a speed change gear, clockwise rotate a position and be another speed change gear, shift fork torque arm 23 inner ends are sleeved on the declutch shift shaft 25 of gearbox 24 of vehicle, when each when automatically accurately the left piston bar 1 of the two boom cylinders 31 of return or right piston rod 2 are in the meta that does not stretch out, gearbox 24 is in the neutral position, the middle part of cylinder body 3 outer side walls of the two boom cylinders 31 of each automatically accurate return is provided with pin rocker bearing 11, and each cylinder body 3 is by pin rocker bearing 11 location and installation; Pin rocker bearing 11 can allow cylinder body 3 do oscillating motion centered by the axis of pin rocker bearing 11.The left and right sides on the sidewall of cylinder body 3 is respectively equipped with magnetic switch 10, each magnetic switch 10 corresponds respectively to a speed change gear, when each after automatically accurately the left piston bar 1 of the two boom cylinders 31 of return or right piston rod 2 promote shift fork torque arm 23 gearshifts and put in place, corresponding magnetic switch 10 will send electrical signal immediately, allow automatically accurately left piston bar 1,2 stop motions of right piston rod of the two boom cylinders 31 of return by electric control system, so that can accurately control the movement position of left piston bar 1, right piston rod 2; Letting out solenoid valve 32 and each blocking-valve 33 in each three-position five-way is electrically connected with circuit control device respectively, a circuit control device blocking-valve 33 therein is in when connecing electricity condition, can allow other blocking-valves 33 be in off-position, because gas circuit is cut off, allow the pressed gas in the two boom cylinders 31 of automatically accurately return that are subjected to its control can not pressure release, thereby allow the left piston bar 1 of the two boom cylinders 31 of automatically accurately return that are subjected to its control, right piston rod 2 can not move, be somebody's turn to do the left piston bar 1 of the two boom cylinders 31 of automatically accurate return, right piston rod 2 can not move, thereby can avoid the gear misoperation;
As shown in Figure 2, automatically accurately the two boom cylinders 31 of return comprise piston, left piston bar 1, right piston rod 2 and cylinder body 3, left piston bar 1 and right piston rod 2 share a piston, structurally link into an integrated entity, the left end of cylinder body 3 is provided with left end cap 20, the right-hand member of cylinder body 3 is provided with right end cap 21, be set with left pressure spring 4 on the left piston bar 1, the right-hand member of left side pressure spring 4 withstands on the left end of cylinder body 3, the left end of left side pressure spring 4 withstands on the right-hand member of left spring seat 5, the middle part of left spring seat 5 is provided with left through hole 6, the diameter of left side through hole 6 is greater than the diameter of left piston bar 1, left piston bar 1 passes left through hole 6, the left end of left piston bar 1 is provided with 2 left nuts 7, match with the left side of left spring seat 5 in the right side that is positioned at the left nut 7 of right-hand member, be provided with a plurality of left guide-localizations hole around ground near the edge of left spring seat 5, the left guide-localization of on the left spring seat 5 each hole adopts Spielpassung to be fitted with a left guide rod 8 respectively, the axis of each left guide rod 8 lays respectively at the left and right horizontal direction, the right-hand member of each left guide rod 8 links to each other with cylinder body 3 respectively, the left end of each left guide rod 8 is respectively equipped with left positioning screw cap 9 or left setscrew nut, matches with the left side of left spring seat 5 in the right side of left positioning screw cap 9 or left setscrew nut.
Be set with right pressure spring 14 on the right piston rod 2, the left end of right pressure spring 14 withstands on the right-hand member of cylinder body 3, the right-hand member of right pressure spring 14 withstands on the left end of right spring seat 15, the middle part of right spring seat 15 is provided with right through hole 16, the diameter of right through hole 16 is greater than the diameter of right piston rod 2, right piston rod 2 passes right through hole 16, the right-hand member of right piston rod 2 is provided with 2 right nuts 17, match with the right side of right spring seat 15 in the left side that is positioned at the right nut 17 of left end, be provided with a plurality of right guide-localizations hole around ground near the edge of right spring seat 15, each right guide-localization hole on the right spring seat 15 adopts Spielpassung to be fitted with a right guide rod 18 respectively, the axis of each right guide rod 18 lays respectively at the left and right horizontal direction, the left end of each right guide rod 18 links to each other with cylinder body 3 respectively, the right-hand member of each right guide rod 18 is respectively equipped with right positioning screw cap 19 or right setscrew nut, matches with the right side of right spring seat 15 in the left side of right positioning screw cap 19 or right setscrew nut.In order to allow the rapidly accurate return of piston, left pressure spring 4, right pressure spring 14 are in the state that compresses in advance.
As improvement of the present invention, the quantity of the two boom cylinders 31 of above-mentioned automatically accurate return is 3, the gear of gearbox 24 comprises reverse gear (the D retaining among Fig. 3), I retaining, II retaining, III retaining, IV retaining, V retaining, right piston rod 2 regulation and control of the two boom cylinders 31 of one of them automatically accurate return are reversed gear, the I retaining, the left piston bar 1 regulation and control II retaining of the two boom cylinders 31 of another automatically accurate return, III retaining, the left piston bar 1 regulation and control IV retaining of the two boom cylinders 31 of the automatic accurately return of another one, V keep off.Be provided with gear pointer 24 in the inner end of shift fork torque arm 23, each gear pointer 24 can be indicated a neutral gear (among Fig. 3 0) and two gear gears respectively.When the left piston bar 1 of the two boom cylinders 31 of automatically accurate return, when right piston rod 2 does not move, gear pointer 24 points to the neutral gears, namely points to 0 among Fig. 3.
As a further improvement on the present invention, be provided with 2-6 circular left guide-localization hole around ground near the edge of above-mentioned left spring seat 5, the cross section of left guide rod 8 is circular, and the quantity of left guide rod 8 equates with the quantity in left guide-localization hole; Be provided with 2-6 circular right guide-localization hole around ground near the edge of right spring seat 15, the cross section of right guide rod 18 is circular, the quantity of right guide rod 18 equates with the quantity in right guide-localization hole, the right-hand member of each left guide rod 8 links to each other with cylinder body 3 by being threaded respectively, and the left end of each right guide rod 18 links to each other with cylinder body 3 by being threaded respectively.The design that is threaded can be used for adjusting left spring seat 5, right spring seat 15 with respect to the position of cylinder body 3, and can adjust the pretightening force of left pressure spring 4, right pressure spring 14, with the return precision of further raising left piston bar 1, right piston rod 2.
As a further improvement on the present invention, the middle part of the right side of above-mentioned left spring seat 5 has columniform left boss, the left part of left side pressure spring 4 is sleeved on the left boss of left spring seat 5, and the middle part of the left side of left spring seat 5 has left counterbore 12, and left nut 7 can enter in the left counterbore 12; The middle part of the left side of right spring seat 15 has columniform right boss, and the right side part of right pressure spring 14 is sleeved on the right boss of right spring seat 15, and the middle part of the right side of right spring seat 15 has right counterbore 13, and right nut 17 can enter in the right counterbore 13; The left end of left end cap 20 is provided with left flange, and the right side part of left pressure spring 4 is sleeved on the left flange of left end cap 20, and the right-hand member of right end cap 21 is provided with right flange, and the left part of right pressure spring 14 is sleeved on the right flange of right end cap 21.Above-mentioned design can allow the more stable work of whole device, is difficult for breaking down.
As a further improvement on the present invention, when left piston bar 1 and right piston rod 2 are in the meta that does not stretch out, the acting in conjunction of a left side pressure spring 4 and right pressure spring 14 allows maintenance gap about equally, bottom in bottom in right side and the left counterbore 12 of left nut 7 and right nut 17 and the right counterbore 13.Above-mentioned design can allow the more stable work of whole device, makes the kinematic accuracy of left piston bar 1 and right piston rod 2 higher.
As a further improvement on the present invention, the bottom gap in the right side of above-mentioned left nut 7 and the left counterbore 12 is 0.05-0.15mm, and the gap of the bottom in right nut 17 and the right counterbore 13 is 0.05-0.15mm.Above-mentioned design can further improve the kinematic accuracy of left piston bar 1 and right piston rod 2, can allow the more stable work of whole device, the vibration when reducing to move, impact and noise.
As a further improvement on the present invention, bottom gap in the right side of above-mentioned left nut 7 and the left counterbore 12 is 0.1mm, the gap of the bottom in right nut 17 and the right counterbore 13 is 0.1mm, and left spring seat 5 is square, four jiaos of left guide-localization holes that are respectively equipped with 1 circle at left spring seat 5 edges; Right spring seat 15 be square, four jiaos of right guide-localization holes that are respectively equipped with 1 circle at right spring seat 15 edges, and being threaded in the right-hand member employing of right piston rod 2 is installed with torque arm joint 22.The left end of torque arm joint 22 has tapped hole, torque arm joint 2 is on the one hand with right nut 17 lockings, be connected with shift fork torque arm 23 on the gearbox on the other hand, accurate for guaranteeing that torque arm joint 22 is connected with shift fork torque arm 23, can add spacer at right nut 17 and 22 of torque arm joints.Above-mentioned design can further improve the kinematic accuracy of left piston bar 1 and right piston rod 2, the vibration when further reducing to move, impact and noise.
The two boom cylinders 31 of the automatically accurate return of in the vehicle launch gearshift of the present invention each in use, when left piston bar 1 stretches out left spring seat 5 to left movement under the effect of the pressed gas of right active chamber, the exposed parts of right piston rod 2 hauls right spring seat 15 together to left movement and compress right pressure spring 14, shrink then and enter in the cylinder body 3, left spring seat 5 and left pressure spring 4 keep motionless, in cylinder body 3 in the d/d process of the pressed gas of right active chamber, the outer end that right pressure spring 14 promotes right spring seat 15 and right piston rod 2 to the right moves right, and accurately is returned to meta until left piston bar 1 and right piston rod 2.When right piston rod 2 moves right under the effect of the pressed gas of left active chamber when stretching out right spring seat 15, the exposed parts of left piston bar 1 hauls left spring seat 5 and moves right together and compress left pressure spring 4, shrink then and enter in the cylinder body 3, right spring seat 15 and right pressure spring 14 keep motionless, in cylinder body 3 in the d/d process of the pressed gas of left active chamber, the outer end that left side pressure spring 4 promotes left spring seat 5 and left piston bar 1 left accurately is returned to meta to left movement until left piston bar 1 and right piston rod 2.
Vehicle launch gearshift of the present invention is when needs are shifted gears, can connect the gas circuit of letting out solenoid valve 32 and blocking-valve 33 in the corresponding three-position five-way by circuit control device, the pressed gas of pressure gas source will be transported to the two boom cylinders 31 of corresponding automatically accurate return by letting out solenoid valve 32 and blocking-valve 33 in air delivering pipeline 28 and the three-position five-way, the left piston bar 1, the right piston rod 2 that drive the two boom cylinders 31 of this automatically accurate return are done point-device motion, and then realize the Pneumatic shift operation.Owing to adopted the two boom cylinders 31 of the distinctive automatically accurate return of the present invention, it not only can do point-device time meta motion, the effect that compresses in advance that left side pressure spring 4, right pressure spring 14 have also can effectively overcome the return resistance, make the motion of the two boom cylinders 31 of automatically accurate return of the present invention more free and relaxed, and the employing Pneumatic shift, it is soft also to have the gearshift active force, can absorb the characteristics of impact shock.Experiment shows, adopts vehicle launch gearshift of the present invention can significantly promote stationarity and the flexibility of vehicle shift, and then the working life that can improve vehicle motor, and the rate of fault of device is low, stable and reliable working performance.
Claims (9)
1. vehicle launch gearshift, it is characterized in that: comprise pressure gas source, pressure gas source by air delivering pipeline (28) respectively with a plurality of three-position five-ways in let out solenoid valve (32) pressed gas import P link to each other, the A working hole of letting out solenoid valve (32) in each three-position five-way links to each other by the import of pipeline with the left pressed gas path of blocking-valve (33) respectively, the B working hole of letting out solenoid valve (32) in each three-position five-way links to each other by the import of pipeline with the right pressed gas path of a blocking-valve (33) respectively, the left side of the outlet of the left pressed gas path of each blocking-valve (33) and the outlet of right pressed gas path difference correspondence and automatically accurate return pair boom cylinders (31), right active chamber links to each other, during outage, right pressed gas path and the left pressed gas path of each blocking-valve (33) are in off state;
The left piston bar (1) of the two boom cylinders (31) of each automatically accurate return or right piston rod (2) are hinged and connected with the outer end of shift fork torque arm (23), shift fork torque arm (23) inner end is sleeved on the declutch shift shaft (25) of gearbox (24) of vehicle, when each when automatically accurately the described left piston bar (1) of the two boom cylinders (31) of return or described right piston rod (2) are in the meta that does not stretch out, gearbox (24) is in the neutral position, the middle part of cylinder body (3) outer side wall of the two boom cylinders (31) of each described automatically accurate return is provided with pin rocker bearing (11), and each cylinder body (3) is by pin rocker bearing (11) location and installation; The left and right sides on the sidewall of cylinder body (3) is respectively equipped with magnetic switch (10);
Let out solenoid valve (32) in each three-position five-way and each blocking-valve (33) is electrically connected with circuit control device respectively, a circuit control device blocking-valve (33) therein is in when connecing electricity condition, can allow other blocking-valves (33) be in off-position, thereby left piston bar (1), the right piston rod (2) of the two boom cylinders (31) of automatically accurately return that are subjected to its control can not be moved;
The two boom cylinders (31) of described automatically accurate return comprise piston, left piston bar (1), right piston rod (2) and cylinder body (3), the left end of cylinder body (3) is provided with left end cap (20), the right-hand member of cylinder body (3) is provided with right end cap (21), be set with left pressure spring (4) on the left piston bar (1), the right-hand member of left side pressure spring (4) withstands on the left end of described cylinder body (3), the left end of left side pressure spring (4) withstands on the right-hand member of left spring seat (5), the middle part of left spring seat (5) is provided with left through hole (6), the diameter of left side through hole (6) is greater than the diameter of left piston bar (1), described left piston bar (1) passes left through hole (6), the left end of left piston bar (1) is provided with more than one left nut (7), match with the left side of left spring seat (5) in the right side that is positioned at the left nut (7) of right-hand member, be provided with a plurality of left guide-localizations hole around ground near the edge of left spring seat (5), each left guide-localization hole on the left spring seat (5) adopts Spielpassung to be fitted with a left guide rod (8) respectively, the axis of each left guide rod (8) lays respectively at the left and right horizontal direction, the right-hand member of each left guide rod (8) links to each other with described cylinder body (3) respectively, the left end of each left guide rod (8) is respectively equipped with left positioning screw cap (9) or left setscrew nut, matches with the left side of left spring seat (5) in the right side of left positioning screw cap (9) or left setscrew nut;
Be set with right pressure spring (14) on the described right piston rod (2), the left end of right pressure spring (14) withstands on the right-hand member of described cylinder body (3), the right-hand member of right pressure spring (14) withstands on the left end of right spring seat (15), the middle part of right spring seat (15) is provided with right through hole (16), the diameter of right through hole (16) is greater than the diameter of right piston rod (2), described right piston rod (2) passes right through hole (16), the right-hand member of right piston rod (2) is provided with more than one right nut (17), match with the right side of right spring seat (15) in the left side that is positioned at the right nut (17) of left end, be provided with a plurality of right guide-localizations hole around ground near the edge of right spring seat (15), each right guide-localization hole on the right spring seat (15) adopts Spielpassung to be fitted with a right guide rod (18) respectively, the axis of each right guide rod (18) lays respectively at the left and right horizontal direction, the left end of each right guide rod (18) links to each other with described cylinder body (3) respectively, the right-hand member of each right guide rod (18) is respectively equipped with right positioning screw cap (19) or right setscrew nut, matches with the right side of right spring seat (15) in the left side of right positioning screw cap (19) or right setscrew nut.
2. vehicle launch gearshift according to claim 1, it is characterized in that: the quantity of the two boom cylinders (31) of described automatically accurate return is 3, the gear of described gearbox (24) comprise reverse gear, I retaining, II retaining, III retaining, IV retaining, V retaining, right piston rod (2) regulation and control of the two boom cylinders (31) of one of them automatically accurate return are reversed gear, the I retaining, left piston bar (1) the regulation and control II retaining of the two boom cylinders (31) of another automatically accurate return, III retaining, left piston bar (1) regulation and control IV retaining, the V of the two boom cylinders (31) of the automatic accurately return of another one keep off.
3. vehicle launch gearshift according to claim 2, it is characterized in that: be provided with 2-6 circular left guide-localization hole around ground near the edge of described left spring seat (5), the cross section of described left guide rod (8) is circular, and the quantity of left guide rod (8) equates with the quantity in left guide-localization hole; Be provided with 2-6 circular right guide-localization hole around ground near the edge of described right spring seat (15), the cross section of described right guide rod (18) is circular, the quantity of right guide rod (18) equates with the quantity in right guide-localization hole, the right-hand member of each described left guide rod (8) links to each other with described cylinder body (3) by being threaded respectively, and the left end of each right guide rod (18) links to each other with described cylinder body (3) by being threaded respectively.
4. vehicle launch gearshift according to claim 3, it is characterized in that: described pressure gas source comprises air pump (26) and gas holder (27), is in series with oil and water seperator (29) and pneumatic triple piece (30) on the described air delivering pipeline (28).
5. vehicle launch gearshift according to claim 4, it is characterized in that: the middle part of the right side of described left spring seat (5) has columniform left boss, the left part of described left pressure spring (4) is sleeved on the left boss of left spring seat (5), the middle part of the left side of left spring seat (5) has left counterbore (12), and described left nut (7) can enter in the left counterbore (12); The middle part of the left side of described right spring seat (15) has columniform right boss, the right side part of described right pressure spring (14) is sleeved on the right boss of right spring seat (15), the middle part of the right side of right spring seat (15) has right counterbore (13), and described right nut (17) can enter in the right counterbore (13); The left end of described left end cap (20) is provided with left flange, the right side part of described left pressure spring (4) is sleeved on the left flange of left end cap (20), the right-hand member of described right end cap (21) is provided with right flange, and the left part of described right pressure spring (14) is sleeved on the right flange of right end cap (21).
6. vehicle launch gearshift according to claim 5, it is characterized in that: when described left piston bar (1) or described right piston rod (2) are in the meta that does not stretch out, the acting in conjunction of a left side pressure spring (4) and right pressure spring (14) allows the interior maintenance gap about equally, bottom of bottom in right side and the left counterbore (12) of left nut (7) and right nut (17) and right counterbore (13).
7. vehicle launch gearshift according to claim 6, it is characterized in that: the bottom gap in the right side of described left nut (7) and the left counterbore (12) is 0.05-0.15mm, and the gap of the bottom in described right nut (17) and the right counterbore (13) is 0.05-0.15mm.
8. vehicle launch gearshift according to claim 7, it is characterized in that: the bottom gap in the right side of described left nut (7) and the left counterbore (12) is 0.1mm, the gap of the bottom in described right nut (17) and the right counterbore (13) is 0.1mm, described left spring seat (5) is square, four jiaos of left guide-localization holes that are respectively equipped with 1 circle at left spring seat (5) edge; Described right spring seat (15) is square, four jiaos of right guide-localization holes that are respectively equipped with 1 circle at right spring seat (15) edge, and the right-hand member of described right piston rod (2) adopts to be threaded and is installed with torque arm joint (22).
9. vehicle launch gearshift according to claim 8, it is characterized in that: the inner end of described shift fork torque arm (23) is provided with gear pointer (24), and each gear pointer (24) can be indicated a neutral gear and two gear gears respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248589.2A CN103322182B (en) | 2013-06-21 | 2013-06-21 | Vehicle launch gearshift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248589.2A CN103322182B (en) | 2013-06-21 | 2013-06-21 | Vehicle launch gearshift |
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| CN103322182A true CN103322182A (en) | 2013-09-25 |
| CN103322182B CN103322182B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310248589.2A Expired - Fee Related CN103322182B (en) | 2013-06-21 | 2013-06-21 | Vehicle launch gearshift |
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| CN (1) | CN103322182B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104595481A (en) * | 2014-12-12 | 2015-05-06 | 王建军 | Gear locking device based on lever type operating lever |
| CN105221799A (en) * | 2015-10-15 | 2016-01-06 | 綦江大力神齿轮有限公司 | A kind of seven logical valves |
| CN106499813A (en) * | 2015-09-06 | 2017-03-15 | 林会明 | The Pneumatic shift system of vehicle mechanical gearbox |
| CN115405687A (en) * | 2022-08-29 | 2022-11-29 | 奇瑞汽车股份有限公司 | Integrated pneumatic gear shifting system of automatic gearbox of automobile |
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| CN102338217A (en) * | 2011-07-18 | 2012-02-01 | 吉林大学 | Electric control pneumatic mechanical automatic shift system |
| CN202629043U (en) * | 2011-12-16 | 2012-12-26 | 北汽福田汽车股份有限公司 | Gearshift speed-change operating device |
| CN203463634U (en) * | 2013-06-21 | 2014-03-05 | 中国人民解放军装甲兵工程学院 | Pneumatic gear-shifting device of vehicle |
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| JPH112207A (en) * | 1997-06-13 | 1999-01-06 | Nissan Diesel Motor Co Ltd | Cylinder device |
| CN1821629A (en) * | 2006-03-24 | 2006-08-23 | 哈尔滨工业大学 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104595481A (en) * | 2014-12-12 | 2015-05-06 | 王建军 | Gear locking device based on lever type operating lever |
| CN104595481B (en) * | 2014-12-12 | 2017-02-22 | 王建军 | Gear locking device based on lever type operating lever |
| CN106499813A (en) * | 2015-09-06 | 2017-03-15 | 林会明 | The Pneumatic shift system of vehicle mechanical gearbox |
| CN105221799A (en) * | 2015-10-15 | 2016-01-06 | 綦江大力神齿轮有限公司 | A kind of seven logical valves |
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| CN115405687A (en) * | 2022-08-29 | 2022-11-29 | 奇瑞汽车股份有限公司 | Integrated pneumatic gear shifting system of automatic gearbox of automobile |
| CN115405687B (en) * | 2022-08-29 | 2023-10-31 | 奇瑞汽车股份有限公司 | Integrated pneumatic gear shifting system of automatic gearbox of automobile |
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| Publication number | Publication date |
|---|---|
| CN103322182B (en) | 2015-11-25 |
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