CN204025641U - Based on the pneumatic gearing device of double-acting cylinder parallel connection - Google Patents

Based on the pneumatic gearing device of double-acting cylinder parallel connection Download PDF

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CN204025641U
CN204025641U CN201320826486.5U CN201320826486U CN204025641U CN 204025641 U CN204025641 U CN 204025641U CN 201320826486 U CN201320826486 U CN 201320826486U CN 204025641 U CN204025641 U CN 204025641U
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double
cylinder
gear
selecting
action
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王建军
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王建军
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Abstract

The utility model provides a kind of pneumatic gearing device based on double-acting cylinder parallel connection, the shifting cylinder group 30 that the instruction execution unit 20 comprise automatically controlled command signal unit 10, being connected with automatically controlled command signal unit 10 by electrical signal line, and instruction performance element 20 are connected by tracheae and gear-selecting cylinder group 40, be connected with the rocking arm 60 of speed changer plug into 50; Shifting cylinder group 30 is directly or indirectly connected with rocking arm 60, and gear-selecting cylinder group 40 50 to be connected indirectly with plugging into.Compared with prior art, the utility model is strong by universality, can realize modularization, integrated production, and without the need to considering the design of transmission control when car replacement is regenerated, Installation and Debugging are simple and convenient; After having put into gear, gear-selecting cylinder group and shifting cylinder group, to the rocking arm institute applied pressure sustainable existence of speed changer, can not fall the phenomenon of gear.

Description

Based on the pneumatic gearing device of double-acting cylinder parallel connection
Technical field
The present invention relates to shifting vehicle gearbox technical field, be specifically related to a kind of pneumatic forced maneuver formula automotive transmission gearing device based on double-acting cylinder parallel connection.
Background technique
Claimant's a kind of control mechanism of numerically-controlltransmission transmission that has been the Chinese invention patent application of 201310370836.6 previously by application number, solve current single lever-type, bowden cable formula and many bars by change power support reversable three kinds of operating handle structures when Installation and Debugging more complicated, require great effort time-consuming, easily there is off-gear in using process, the technical problem of integrated, modularization etc. cannot be realized.But this application for a patent for invention is based on many air chambers, Mutli-station cylinder or oil cylinder, comparatively complexity, accuracy of manufacturing require higher to there is structure, the defects such as overall dimensions is relatively large, especially install in the process coordinated with automotive transmission and can not realize the adjustment of single station; In addition, block selecting switch and shift switch all adopt proximity switch, and proximity switch is easily subject to dust, covering of foreign material and affect stability, and cost is higher in addition, is unfavorable for the market development.
Summary of the invention
The object of the invention is to solve automotive transmission Installation and Debugging inconvenience that prior art exists, easily fall gear, the technical problems such as integrated, modularization cannot be realized, simultaneously on the basis of claimant's earlier application, provide a kind of pneumatic gearing device based on double-acting cylinder parallel connection.
For realizing this object, technological scheme disclosed by the invention is:
This pneumatic gearing device based on double-acting cylinder parallel connection, the shifting cylinder group 30 that the instruction execution unit 20 comprise automatically controlled command signal unit 10, being connected with automatically controlled command signal unit 10 by electrical signal line, and instruction performance element 20 are connected by tracheae and gear-selecting cylinder group 40, be connected with the rocking arm 60 of speed changer plug into 50; Shifting cylinder group 30 is directly or indirectly connected with rocking arm 60, gear-selecting cylinder group 40 50 to be connected indirectly with plugging into, and shifting cylinder group 30 is by a double-action shifting cylinder unlike the prior art---the first double-action shifting cylinder 301 or two double-action shifting cylinders---, and the first double-action shifting cylinder 301, second double-action shifting cylinder 302 composes in parallel; Gear-selecting cylinder group 40 is by three double-action gear-selecting cylinders---and the first double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402, the 3rd double-action gear-selecting cylinder 403 compose in parallel; Wherein:
The two side ends of the first double-action shifting cylinder 301 covers the intake and exhaust port be provided with and draws the first tracheae q1 and the second tracheae q2;
The two side ends of the second double-action shifting cylinder 302 covers the intake and exhaust port be provided with and draws the 3rd tracheae q3 and the 4th tracheae q4;
The two side ends of the first double-action gear-selecting cylinder 401 covers the intake and exhaust port be provided with and draws the 5th tracheae q5 and the 8th tracheae q8 respectively;
The two side ends of the second double-action gear-selecting cylinder 402 covers the intake and exhaust port be provided with and draws the 6th tracheae q6 and the 9th tracheae q9 respectively;
The two side ends of the 3rd double-action gear-selecting cylinder 403 covers the intake and exhaust port be provided with and draws the 7th tracheae q7 and the tenth tracheae q10 respectively.
Adopt this technological scheme, each double-acting cylinder and vehicle frame are independently fixing, can adjust its relative position, facilitate Installation and Debugging by respective position regulating member as leading screw and lock bolt, this double-acting cylinder is structure the most basic in cylinder simultaneously, and manufacturing process is simple.
Further, described automatically controlled command signal unit 10 comprises gear Joystick 101 and the block selecting switch 102 corresponded on corresponding gear and shift switch 103;
Described shift switch 103 is mechanical touch-control type, be fixed on gearshift contact 1030 on gear Joystick 101 can with setting in the circuit board and the gearshift upper contact 1031 that circuit board is fixed on vehicle frame contacts respectively with lower contact 1032 of shifting gears;
Gearshift upper contact 1031 draws upper gear electrical signal line sd,
Gearshift lower contact 1032 draws lower block electrical signal line xd;
Described block selecting switch 102 is mechanical touch-control type, be fixed on block selecting contact 1020 on gear Joystick 101 can with to arrange in the circuit board and circuit board is fixed on block selecting contact 1021 on vehicle frame, block selecting two contacts 1022, block selecting three contacts 1023, five contacts 1025 in block selecting four contacts 1024 and block selecting contact respectively;
An electrical signal line w1 is drawn in block selecting contact 1021,
Two electrical signal line w2 are drawn in block selecting two contacts 1022,
Three electrical signal line w3 are drawn in block selecting three contacts 1023,
Four electrical signal line w4 are drawn in block selecting four contacts 1024,
Five electrical signal line w5 are drawn in block selecting five contacts 1025.
Adopt this technological scheme, avoid proximity switch and be easily subject to dust, covering of foreign material and affect stability, the mechanical part reliability of direct contact type is high in addition, long service life, and cost is lower, is conducive to the market development.
Further, first double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402 of described gear-selecting cylinder group 40 is with the 3rd double-action gear-selecting cylinder 403 parallel arranged and 50 to be indirectly connected with plugging into by lever 80, the piston of these three double-acting cylinders and the stroke of piston rod identical.Adopt this technological scheme, standard piece can be manufactured according to unified specification and size, by adjusting these three distance L1 between double-acting cylinder and fulcrum, L2, L3, and fulcrum and the distance L that plugs between 50 proportionate relationship between them, realization is mated with speed changer block selecting distance, is conducive to realizing integrated, modularization.
Can also be, first double-action gear-selecting cylinder 401 of described gear-selecting cylinder group 40, second double-action gear-selecting cylinder 402 is with the 3rd double-action gear-selecting cylinder 403 parallel arranged and 50 to be indirectly connected with plugging into by lever 80, the piston of these three double-acting cylinders and the stroke of piston rod different, adopt this technological scheme, this three distance L1 between double-acting cylinder and fulcrum can be fixed, L2, L3, and fulcrum and the distance L that plugs between 50, can realize and the mating of inner space of vehicle, according to the proportionate relationship between them, calculate piston and the piston rod stroke separately of these three double-acting cylinders.
Further, first double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402 of described gear-selecting cylinder group 40 is with the 3rd double-action gear-selecting cylinder 403 parallel arranged and 50 to be indirectly connected with plugging into by leading truck 70, and these three double-acting cylinders wherein piston rod of two comprise slippage section M.Adopt this technological scheme, the space in automobile narrower short also can realize.
When shifting cylinder group 30 is made up of a first double-action shifting cylinder 301, the first described double-action shifting cylinder 301 its be directly connected with rocking arm 60; Described instruction execution unit 20 comprises the first gearshift solenoid valve 2011, First Five-Year Plan position block selecting solenoid valve 2021,24 block selecting solenoid valves 2022 and three block selecting solenoid valves 2023 of five mouthfuls of tri-states, wherein:
First gearshift solenoid valve 2011 draws gear electrical signal line sd, lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2 respectively;
First Five-Year Plan position block selecting solenoid valve 2021 draws an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5 respectively;
Two or four block selecting solenoid valves 2022 draw two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6 respectively;
Three block selecting solenoid valves 2023 draw block selecting three electrical signal line w3, the 7th tracheae q7 and the tenth tracheae q10 respectively.Adopt this technological scheme, structure is simpler.
When shifting cylinder group 30 is composed in parallel by two double-acting cylinders, described instruction execution unit 20 comprises the first gearshift solenoid valve 2011 and the second gearshift solenoid valve 2012 of five mouthfuls of two conditions, First Five-Year Plan position block selecting solenoid valve 2021,24 block selecting solenoid valves 2022 of five mouthfuls of tri-states and three block selecting solenoid valves 2023, wherein:
First gearshift solenoid valve 2011 draws lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2 respectively;
Second gearshift solenoid valve 2012 draws gear electrical signal line sd, the 3rd tracheae q3 and the 4th tracheae q4 respectively;
First Five-Year Plan position block selecting solenoid valve 2021 draws an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5 respectively;
Two or four block selecting solenoid valves 2022 draw two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6 respectively;
Three block selecting solenoid valves 2023 draw block selecting three electrical signal line w3, the 7th tracheae q7 and the tenth tracheae q10 respectively.
Further, first double-action shifting cylinder 301 specifically has with the mode of the second double-action shifting cylinder 302 parallel connection: the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302 arranged opposite are also directly connected with rocking arm 60 respectively, and the first double-action shifting cylinder 301 is identical with the stroke of the second double-action shifting cylinder 302 and piston rod all comprises slippage section M.Adopt this technological scheme, these two double-acting cylinders can manufacture standard piece according to unified specification and size, are conducive to realizing integrated, modularization.
Can also be: the first double-action shifting cylinder 301 is with the second double-action shifting cylinder 302 parallel arranged and be indirectly connected with rocking arm 60 by leading truck 70 that first double-action shifting cylinder 301 is identical with the stroke of the second double-action shifting cylinder 302 and piston rod all comprises slippage section M.Adopt this technological scheme, the space in automobile narrower short also can realize.
Aforementioned so-called five mouthfuls, generally claim five-way, what refer to each solenoid valve always has 5 import and export port numbers; Two condition or tri-state refer to that there are two or three kind in the position of the slip of valve core of the electromagnetic valve, thus change the situation imported and exported and be communicated with, thus change the position of runner, realize two or three states.The electromagnetism-gas-driving valve of aforesaid five mouthfuls of two conditions, the model of specifically producing as Ya De, Taiwan visitor is the solenoid valve of 4V210-08; The electromagnetism-gas-driving valve of five mouthfuls of tri-states, the model of specifically producing as Ya De, Taiwan visitor is the solenoid valve of 4V230E-08;
As preferably, spring is provided with in one or more both sides end cap of the first described double-action shifting cylinder 301, second double-action shifting cylinder 302, first double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402, the 3rd double-action gear-selecting cylinder 403, the shift fork of speed changer can be made to get back to initial point and/or speed changer is in pluck the position of gear, guaranteeing vehicle safety.
Compared with prior art, the present invention is strong by universality, can realize modularization, integrated production, and without the need to considering the design of transmission control when car replacement is regenerated, Installation and Debugging are simple and convenient; After having put into gear, gear-selecting cylinder group and shifting cylinder group, to the rocking arm institute applied pressure sustainable existence of speed changer, can not fall the phenomenon of gear.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention 1 gear-selecting cylinder group and shifting cylinder group;
Fig. 2 is the structural representation of embodiment of the present invention 2 gear-selecting cylinder group and shifting cylinder group;
Fig. 3 is the structural representation of embodiment of the present invention 3 gear-selecting cylinder group and shifting cylinder group;
Fig. 4 is the structural representation of the automatically controlled command signal unit of the present invention;
Fig. 5 is the structural representation of the instruction execution unit of embodiment of the present invention 1;
Fig. 6 is the structural representation of the instruction execution unit of embodiment of the present invention 2 or 3;
Fig. 7 is the present invention with the structural representation of the double-acting cylinder of slippage section and spring;
Fig. 8 is existing nine gear automotive transmission gear spacing schematic diagram.
Embodiment
The gear distribution of known current nine gear vehicle transmissions as shown in Figure 7, block selecting distance a between five adjacent two gears of selector fork, b, c, d are respectively 7mm, 7mm, 11mm, 7mm, the angle that is clockwise and that be rotated counterclockwise of selector fork is 10.4 °, be converted to the stroke of the straight line of rocking arm and shifting cylinder group joint: up stroke X1 and down stroke X2 is respectively for 20mm, total kilometres X are 40mm.For nine gear trucies, this pneumatic gearing device based on double-acting cylinder parallel connection is described.
mode of execution 1, with reference to Fig. 1,4,5,7,8
The shifting cylinder group 30 that automatically controlled command signal unit 10, the instruction execution unit 20 be connected by electrical signal line with automatically controlled command signal unit 10, and instruction performance element 20 are connected by tracheae and gear-selecting cylinder group 40, be connected with the rocking arm 60 of speed changer plug into 50; First double-action shifting cylinder 301 is composition shifting cylinder group 30 separately, the piston rod of this first double-action shifting cylinder 301 is directly connected with rocking arm 60, its piston rod there is no so-called slippage section M, therefore stroke=the rocking arm of the stroke N=piston rod of its piston and the total kilometres X=40mm of shifting cylinder group joint, be provided with spring in its both sides end cap; This spring can push away the position between minimum and maximum stroke place when the first tracheae q1 and the second non-air inlet of tracheae q2 that connect both sides end cap intake and exhaust port or after exhaust simultaneously by piston and piston rod, namely correspond to neutral gear position, realize plucking gear function.First double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged composition gear-selecting cylinder group 40, the piston rod of this three double-actions gear-selecting cylinder 50 to be connected with plugging into by leading truck 70, wherein the piston rod of the first double-action gear-selecting cylinder 401 does not have slippage section, and the stroke=R-1 of the stroke N=piston rod of its piston keeps off the gear block selecting distance=a+b+c+d=32mm to 8-9 gear; The piston rod of the second double-action gear-selecting cylinder 402 is provided with slippage section M=14mm, and the stroke of its piston is also 32mm, and the stroke=2-3 of piston rod keeps off the gear block selecting distance=b+c=18mm to 6-7 gear; The piston rod of the 3rd double-action gear-selecting cylinder 403 is provided with slippage section M=18mm, and the stroke of its piston is also 32mm, and the stroke=8-9 of piston rod keeps off the gear block selecting distance=c+d=14mm to 4-5 gear; Spring is provided with in its both sides end cap.
Automatically controlled command signal unit 10 comprises gear Joystick 101 and the block selecting switch 102 corresponded on corresponding gear and shift switch 103; Described shift switch 103 is mechanical touch-control type, be fixed on gearshift contact 1030 on gear Joystick 101 can with setting in the circuit board and the gearshift upper contact 1031 that circuit board is fixed on vehicle frame contacts respectively with lower contact 1032 of shifting gears; Gearshift upper contact 1031 draws upper gear electrical signal line sd, and gearshift lower contact 1032 draws lower block electrical signal line xd; Described block selecting switch 102 is mechanical touch-control type, be fixed on block selecting contact 1020 on gear Joystick 101 can with to arrange in the circuit board and circuit board is fixed on block selecting contact 1021 on vehicle frame, block selecting two contacts 1022, block selecting three contacts 1023, five contacts 1025 in block selecting four contacts 1024 and block selecting contact respectively; An electrical signal line w1 is drawn in block selecting contact 1021, two electrical signal line w2 are drawn in block selecting two contacts 1022, three electrical signal line w3 are drawn in block selecting three contacts 1023, and four electrical signal line w4 are drawn in block selecting four contacts 1024, and five electrical signal line w5 are drawn in block selecting five contacts 1025.
Instruction execution unit 20 comprises the first gearshift solenoid valve 2011, First Five-Year Plan position block selecting solenoid valve 2021,24 electromagnetism-gas-driving valves 2022 and three block selecting solenoid valves 2023, wherein: the first gearshift solenoid valve 2011 draws gear electrical signal line sd, lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2 respectively; First Five-Year Plan position block selecting solenoid valve 2021 draws an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5 respectively; Two or four electromagnetism-gas-driving valves 2022 draw two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6 respectively; Three block selecting solenoid valves 2023 draw block selecting three electrical signal line w3, the 7th tracheae q7 and the tenth tracheae q10 respectively.The model that aforesaid four solenoid valves are all five mouthfuls of tri-states, Ya De, Taiwan visitor produces is the electromagnetism-gas-driving valve of 4V230E-08.
Below to hang 1 gear illustratively real work flow process:
Joystick 101 is chosen 1 gear and is put, be fixed on block selecting contact 1020 on gear Joystick 101 and setting in the circuit board and block selecting contact 1021 that circuit board is fixed on vehicle frame contacts, an electrical signal line w1 connects, the action of First Five-Year Plan position block selecting solenoid valve 2021, outwards be vented to the first double-action gear-selecting cylinder 401 by the 8th tracheae q8 of automobile pressure system air feed, now the tracheae of the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 both sides is intercommunication state, these two double-action gear-selecting cylinders are in quick condition, can consider that it acts on, piston in first double-action gear-selecting cylinder 401 moves down possess the effect of pressure in the 5th tracheae q5 under, drives piston rod to pull leading truck 70 to move down, thus drives the shift fork of plug into 50 and then drive speed changer to move down:
When the gear hung before block selecting is R gear, the piston in the first double-action gear-selecting cylinder 401 does not move;
The gear hung before block selecting be 2 gears or 3 gear time, the piston in the first double-action gear-selecting cylinder 401 moves down 7mm;
The gear hung before block selecting be 4 gears or 5 gear time, the piston in the first double-action gear-selecting cylinder 401 moves down 14mm;
The gear hung before block selecting be 6 gears or 7 gear time, the piston in the first double-action gear-selecting cylinder 401 moves down 25mm;
The gear hung before block selecting be 8 gears or 9 gear time, the piston in the first double-action gear-selecting cylinder 401 moves down 32mm; Complete above-mentioned action by the action respectively of three cylinders, owing to the piston rod of the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 there being the slippage section of 18mm and 14mm of containment relationship, therefore these three cylinders are not interfered mutually.And owing to being provided with spring in the 3rd double-action gear-selecting cylinder 403 both sides end cap, can, when occurring that extreme case is not all ventilated as whole double-action gear-selecting cylinder or is all in quick condition, the shift fork of speed changer still can be driven to get back to the initial point determined according to the length of both sides spring setting and the difference of elasticity coefficient.
After block selecting puts in place, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift lower contact 1032 that circuit board is fixed on vehicle frame contacts, lower block electrical signal line xd connects, second gearshift solenoid valve 2012 action, outwards be vented to the first double-action shifting cylinder 301 by the second tracheae q2 of automobile pressure system air feed, piston in first double-action shifting cylinder 301 is moved to the left, and drive piston rod to promote rocking arm 60 and be moved to the left 20mm, speed changer has hung up 1 gear.And owing to being provided with spring in the first double-action shifting cylinder 301 both sides end cap, can occur that extreme case such as circuit or gas circuit break down, when all do not ventilate in the piston both sides of this cylinder or all ventilation is in quick condition, if there is no spring, gear cannot be plucked, this spring is set and piston and piston rod can be pushed away its maximum or minimum stroke place i.e. upper gear or lower block place, arrive basic position of namely plucking gear by paracentral position, guarantee vehicle safety.
Comprehensively above-mentioned two actions, speed changer has hung up 1 gear.
When needing to pluck gear, Joystick 101 is to being pulled upward to neutral gear position, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift lower contact 1032 that circuit board is fixed on vehicle frame is separated, lower block electrical signal line xd disconnects, because spring has the effect of forced resetting, the pressure driving the first double-action shifting cylinder 301 to move right in final cavity reaches balance, the distance of movement is 20mm, even without reaching 20mm, only reach 10mm, also can achieve and pluck gear function, now speed changer arrives neutral gear position.
Hang other gear by that analogy.
mode of execution 2, with reference to Fig. 2, Fig. 4, Fig. 6-8
Except shifting cylinder group 30 difference, other structures are identical with embodiment 1.
Shifting cylinder group 30 is composed in parallel by two double-acting cylinders, its first double-action shifting cylinder 301 with the second double-action shifting cylinder 302 arranged opposite and its piston rod be directly connected with rocking arm 60.First double-action shifting cylinder 301 is identical with the stroke of the second double-action shifting cylinder 302 and piston rod all comprises slippage section M=20mm.
Below to hang the workflow of 2 gears illustratively shifting cylinder group 30:
Joystick 101 is chosen 2 gears and is put, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift upper contact 1031 that circuit board is fixed on vehicle frame contacts, upper gear electrical signal line sd connects, second gearshift solenoid valve 2012 action, be vented to the second double-action shifting cylinder 302 by the 3rd tracheae q3 of automobile pressure system air feed, now the first tracheae q1 of the first double-action shifting cylinder 301 side possesses pressure, and the first double-action shifting cylinder 301 is in plucks state corresponding to gear; Piston in second double-action shifting cylinder 302 moves right 40mm under the effect of the 4th tracheae q4 pressure, drives piston rod and then drives the rocking arm 60 of speed changer to move right 20mm.Complete extension 2 and keep off action.Due to the first double-action shifting cylinder 301 and the slippage section piston rod of the second double-action shifting cylinder 302 having identical 20mm, therefore the action of these two double-action gear-selecting cylinders can not produce mutual interference.
When needing to pluck gear, Joystick 101 moves neutral gear position to downwards, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift upper contact 1031 that circuit board is fixed on vehicle frame is separated, upper gear electrical signal line sd disconnects, second gearshift solenoid valve 2012 action, 3rd tracheae q3 gives the second double-action shifting cylinder 302 qi of chong channel ascending adversely, promote the first double-action shifting cylinder 30 piston and be moved to the left 40mm, drive piston rod and then drive the rocking arm 60 of speed changer to be moved to the left 20mm; Arrive neutral gear position, achieve and pluck gear function.
Hang other gear by that analogy.
mode of execution 3, with reference to Fig. 3-4, Fig. 6-8
Automatically controlled command signal unit 10 is with mode of execution 1 or 2, and instruction execution unit 20 is with mode of execution 2, but shifting cylinder group 30 is all different with mode of execution 1 or 2 from gear-selecting cylinder group 40.
Shifting cylinder group 30 is composed in parallel by two double-acting cylinders, its the first double-action shifting cylinder 301 and second its piston rod of double-action shifting cylinder 302 parallel arranged by leading truck 70 be indirectly connected with rocking arm 60, the stroke N of the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302 piston and piston rod is identical=40mm, piston rod all comprises slippage section M=20mm.
First double-action gear-selecting cylinder 401, second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged composition gear-selecting cylinder group 40, the piston rod of this three double-actions gear-selecting cylinder 50 to be connected with plugging into by lever 80, these three double-action gear-selecting cylinders are all provided with slippage section M, the stroke N of its piston and piston rod estimates, see following presumption process to the ratio of lever 80 with the distance L of 50 joints of plugging into according to the fulcrum of lever 80:
The piston rod of these three double-action gear-selecting cylinders and lever 80 hinged place to lever 80 fulcrum between distance be respectively L1, L2, L3, the fulcrum of lever 80 is L to lever 80 and the distance of 50 joints of plugging into, setting L=10mm,
The displacement that 3rd double-action gear-selecting cylinder 403 corresponds to speed changer rocking arm 60 equals the gear block selecting distance=c+d=14mm of 8-9 gear to 4-5 gear; L3=14.286mm is can be calculated by Similar Principle of Triangle;
The displacement that second double-action gear-selecting cylinder 402 corresponds to speed changer rocking arm 60 equals the gear block selecting distance=b+c=18mm of 2-3 gear to 6-7 gear; L2=11.111mm is can be calculated by Similar Principle of Triangle;
The displacement that first double-action gear-selecting cylinder 401 corresponds to speed changer rocking arm 60 equals the gear block selecting distance=a+b+c+d=32mm of R-1 gear to 8-9 gear; L1=6.25mm is can be calculated by Similar Principle of Triangle;
To hang 3 gears, actual workflow is described below:
Joystick 101 is chosen 3 gears and is put, be fixed on block selecting contact 1020 on gear Joystick 101 and setting in the circuit board and block selecting three contacts 1023 that circuit board is fixed on vehicle frame contact, three electrical signal line w3 connect, the action of three block selecting solenoid valves 2023, outwards be vented to the 3rd double-action gear-selecting cylinder 403 by the tenth tracheae q10 of automobile pressure system air feed, now the tracheae of the second double-action gear-selecting cylinder 402 and the first double-action gear-selecting cylinder 401 both sides all keeps intercommunication, these two double-action gear-selecting cylinders are in quick condition, can consider that it acts on, piston in 3rd double-action gear-selecting cylinder 403 moves up possess the effect of pressure in the 7th tracheae q7 under, piston rod pull lever 80 is driven to be rotated counterclockwise, because lever causes the moving direction of its fulcrum both sides contrary, thus the rocking arm 60 of plug into 50 and then drive speed changer is driven to move down 7mm relative to R-1 gear,
For ease of understanding, below list the action of respective cylinder when hanging other gears again:
When block selecting is R or 1 gear, the piston in the first double-action gear-selecting cylinder 401 upwards drives the rocking arm 60 of plug into 50 and then drive speed changer relative to the mobile 7mm of 2-3 gear;
When block selecting is 2 gear, the piston in the second double-action gear-selecting cylinder 402 moves down and drives the rocking arm 60 of plug into 50 and then drive speed changer to keep off relative to 2-3 the 0mm that moves up;
When block selecting is 4 gears or 5 keep off, the piston in the 3rd double-action gear-selecting cylinder 403 moves down and drives the rocking arm 60 of plug into 50 and then drive speed changer to keep off relative to 2-3 the 7mm that moves up;
When block selecting is 6 gears or 7 keep off, the piston in the second double-action gear-selecting cylinder 402 moves down and drives the rocking arm 60 of plug into 50 and then drive speed changer to keep off relative to 2-3 the 11mm that moves up;
When block selecting is 8 gears or 9 keep off, the piston in the first double-action gear-selecting cylinder 401 moves down and drives the rocking arm 60 of plug into 50 and then drive speed changer to keep off relative to 2-3 the 25mm that moves up.
After block selecting puts in place, Joystick 101 is suspended to 3 gears and puts, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift lower contact 1032 that circuit board is fixed on vehicle frame contacts, lower block electrical signal line xd connects, first gearshift solenoid valve 2011 action, be vented to the first double-action shifting cylinder 301 by the first tracheae q1 of automobile pressure system air feed, now the tracheae of the second double-action shifting cylinder 302 side possesses pressure, and the second double-action shifting cylinder 302 is in plucks gear state; Piston in first double-action shifting cylinder 301 is moved to the left under the effect of the second tracheae q2 pressure, drives piston rod and then drives the rocking arm 60 of speed changer to move 20mm relative to initial point left.Due to the first double-action shifting cylinder 301 and the slippage section piston rod of the second double-action shifting cylinder 302 having identical 20mm, therefore the action of these two double-action gear-selecting cylinders can not produce mutual interference.
Comprehensively above-mentioned two actions, speed changer has hung up 3 gears.
When needing to pluck gear, Joystick 101 is to being pulled upward to neutral gear position, be fixed on gearshift contact 1030 on gear Joystick 101 and setting in the circuit board and the gearshift lower contact 1032 that circuit board is fixed on vehicle frame is separated, lower block electrical signal line xd disconnects, second gearshift solenoid valve 2012 action, first tracheae q1 gives the first double-action shifting cylinder 301 qi of chong channel ascending adversely, the piston promoting the first double-action shifting cylinder 301 moves right, finally reach pressure balance, the distance of rocking arm 60 movement is 20mm, now two cylinders are in and pluck gear state, rocking arm 60 is not made to reach 20mm even if the piston of the first double-action shifting cylinder 301 moves right, only reach 10mm, also can achieve and pluck gear function, now speed changer arrives neutral gear position.
Hang other gear by that analogy.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.The numerical control speed-changer operation device of such as seven gears and 12 gear automobiles can be derived from above-mentioned principle, and aforesaid way can also substitute cylinder with oil cylinder or other similar devices and realize same technological scheme.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (10)

1. based on the pneumatic gearing device of double-acting cylinder parallel connection, the shifting cylinder group (30) that the instruction execution unit (20) comprise automatically controlled command signal unit (10), being connected with automatically controlled command signal unit (10) by electrical signal line, and instruction performance element (20) are connected by tracheae and gear-selecting cylinder group (40), plug into (50) that are connected with the rocking arm (60) of speed changer; Shifting cylinder group (30) is directly or indirectly connected with rocking arm (60), gear-selecting cylinder group (40) is connected indirectly with plug into (50), and---the first double-action shifting cylinder (301) or two double-action shifting cylinders---the first double-action shifting cylinder (301) that it is characterized in that shifting cylinder group (30) is by a double-action shifting cylinder, the second double-action shifting cylinder (302) compose in parallel; Gear-selecting cylinder group (40) is by three double-action gear-selecting cylinders---and the first double-action gear-selecting cylinder (401), the second double-action gear-selecting cylinder (402), the 3rd double-action gear-selecting cylinder (403) compose in parallel; Wherein:
The two side ends of the first double-action shifting cylinder (301) covers the intake and exhaust port be provided with and draws the first tracheae (q1) and the second tracheae (q2);
The two side ends of the second double-action shifting cylinder (302) covers the intake and exhaust port be provided with and draws the 3rd tracheae (q3) and the 4th tracheae (q4);
The two side ends of the first double-action gear-selecting cylinder (401) covers the intake and exhaust port be provided with and draws the 5th tracheae (q5) and the 8th tracheae (q8) respectively;
The two side ends of the second double-action gear-selecting cylinder (402) covers the intake and exhaust port be provided with and draws the 6th tracheae (q6) and the 9th tracheae (q9) respectively;
The two side ends of the 3rd double-action gear-selecting cylinder (403) covers the intake and exhaust port be provided with and draws the 7th tracheae (q7) and the tenth tracheae (q10) respectively.
2. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, is characterized in that described automatically controlled command signal unit (10) comprises gear Joystick (101) and the block selecting switch (102) corresponded on corresponding gear and shift switch (103);
Described shift switch (103) is mechanical touch-control type, be fixed on gearshift contact (1030) on gear Joystick (101) can with setting in the circuit board and the gearshift upper contact (1031) that circuit board is fixed on vehicle frame contacts respectively with lower contact (1032) of shifting gears;
Gearshift upper contact (1031) keeps off electrical signal line (sd) on drawing,
Lower block electrical signal line (xd) is drawn in gearshift lower contact (1032);
Described block selecting switch (102) is mechanical touch-control type, be fixed on block selecting contact (1020) on gear Joystick (101) can with to arrange in the circuit board and circuit board is fixed on block selecting contact (1021) on vehicle frame, block selecting two contacts (1022), block selecting three contacts (1023), block selecting four contacts (1024) and block selecting five contacts (1025) contact respectively;
Block selecting contact (1021) draws an electrical signal line (w1),
Block selecting two contacts (1022) draw two electrical signal lines (w2),
Block selecting three contacts (1023) draw three electrical signal lines (w3),
Block selecting four contacts (1024) draw four electrical signal lines (w4),
Block selecting five contacts (1025) draw five electrical signal lines (w5).
3. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, it is characterized in that the first double-action gear-selecting cylinder (401) of described gear-selecting cylinder group (40), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged and be indirectly connected with plug into (50) by lever (80), the piston of these three double-acting cylinders and the stroke of piston rod identical.
4. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, it is characterized in that the first double-action gear-selecting cylinder (401) of described gear-selecting cylinder group (40), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged and be indirectly connected with plug into (50) by lever (80), the piston of these three double-acting cylinders and the stroke of piston rod different.
5. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, it is characterized in that the first double-action gear-selecting cylinder (401) of described gear-selecting cylinder group (40), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged and be indirectly connected with plug into (50) by leading truck (70), these three double-acting cylinders wherein piston rod of two comprise slippage section (M).
6. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, it is characterized in that when shifting cylinder group (30) is made up of a first double-action shifting cylinder (301), the first described double-action shifting cylinder (301) its be directly connected with rocking arm (60); Described instruction execution unit (20) comprises the first gearshift solenoid valve (2011) of five mouthfuls of tri-states, First Five-Year Plan position block selecting solenoid valve (2021), two or four block selecting solenoid valves (2022) and three block selecting solenoid valves (2023), wherein:
First gearshift solenoid valve (2011) is drawn respectively and is kept off electrical signal line (sd), lower block electrical signal line (xd), the first tracheae (q1) and the second tracheae (q2);
An electrical signal line (w1), five electrical signal lines (w5), the 8th tracheae (q8) and the 5th tracheaes (q5) are drawn in First Five-Year Plan position block selecting solenoid valve (2021) respectively;
Two or four block selecting solenoid valves (2022) draw two electrical signal lines (w2), four electrical signal lines (w4), the 9th tracheae (q9) and the 6th tracheaes (q6) respectively;
Three block selecting solenoid valves (2023) draw block selecting three electrical signal lines (w3), the 7th tracheae (q7) and the tenth tracheae (q10) respectively.
7. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1, it is characterized in that when shifting cylinder group (30) is composed in parallel by the first double-action shifting cylinder (301) and the second double-action shifting cylinder (302), described instruction execution unit (20) comprises the first gearshift solenoid valve (2011) and second gearshift solenoid valve (2012) of five mouthfuls of two conditions, First Five-Year Plan position block selecting solenoid valve (2021) of five mouthfuls of tri-states, two or four block selecting solenoid valves (2022) and three block selecting solenoid valves (2023), wherein:
Lower block electrical signal line (xd), the first tracheae (q1) and the second tracheae (q2) are drawn in first gearshift solenoid valve (2011) respectively;
Second gearshift solenoid valve (2012) is drawn respectively and is kept off electrical signal line (sd), the 3rd tracheae (q3) and the 4th tracheae (q4);
An electrical signal line (w1), five electrical signal lines (w5), the 8th tracheae (q8) and the 5th tracheaes (q5) are drawn in First Five-Year Plan position block selecting solenoid valve (2021) respectively;
Two or four block selecting solenoid valves (2022) draw two electrical signal lines (w2), four electrical signal lines (w4), the 9th tracheae (q9) and the 6th tracheaes (q6) respectively;
Three block selecting solenoid valves (2023) draw block selecting three electrical signal lines (w3), the 7th tracheae (q7) and the tenth tracheae (q10) respectively.
8. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1 or 7, it is characterized in that the first double-action shifting cylinder (301) and the second double-action shifting cylinder (302) arranged opposite and be directly connected with rocking arm (60) respectively, the two stroke is identical, piston rod all comprises slippage section (M).
9. the pneumatic gearing device based on double-acting cylinder parallel connection according to claim 1 or 7, it is characterized in that the first double-action shifting cylinder (301) and the second double-action shifting cylinder (302) parallel arranged and be indirectly connected with rocking arm (60) by leading truck (70), the two stroke is identical, piston rod all comprises slippage section (M).
10., according to the arbitrary described pneumatic gearing device based on double-acting cylinder parallel connection of claim 1-7, it is characterized in that being provided with spring in one or more both sides end cap of the first described double-action shifting cylinder (301), the second double-action shifting cylinder (302), the first double-action gear-selecting cylinder (401), the second double-action gear-selecting cylinder (402), the 3rd double-action gear-selecting cylinder (403).
CN201320826486.5U 2013-12-16 2013-12-16 Based on the pneumatic gearing device of double-acting cylinder parallel connection Withdrawn - After Issue CN204025641U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629342A (en) * 2013-12-16 2014-03-12 王建军 Pneumatic gear engaging device based on parallel connection of double-acting cylinders

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629342A (en) * 2013-12-16 2014-03-12 王建军 Pneumatic gear engaging device based on parallel connection of double-acting cylinders
CN103629342B (en) * 2013-12-16 2015-12-02 王建军 Based on the pneumatic gearing device of double-acting cylinder parallel connection

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