CN103629342A - Pneumatic gear engaging device based on parallel connection of double-acting cylinders - Google Patents

Pneumatic gear engaging device based on parallel connection of double-acting cylinders Download PDF

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Publication number
CN103629342A
CN103629342A CN201310685801.1A CN201310685801A CN103629342A CN 103629342 A CN103629342 A CN 103629342A CN 201310685801 A CN201310685801 A CN 201310685801A CN 103629342 A CN103629342 A CN 103629342A
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double
cylinder
gear
selecting
action
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CN201310685801.1A
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CN103629342B (en
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王建军
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Shanghai Hongxu Electronic Technology Co., Ltd.
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王建军
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/2807Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30Hydraulic or pneumatic motors or related fluid control means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/34Generation or transmission of movements for final actuating mechanisms comprising two mechanisms, one for the preselection movement, and one for the shifting movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30Hydraulic or pneumatic motors or related fluid control means therefor
    • F16H2061/308Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing

Abstract

The invention provides a pneumatic gear engaging device based on parallel connection of double-acting cylinders. The pneumatic gear engaging device comprises an electronic control instruction signal unit 10, an instruction execution unit 20 which is connected with the electronic control instruction signal unit 10 through an electric signal wire, a gear shifting cylinder group 30 and a gear selecting cylinder group 40 which are connected with the instruction execution unit 20 through air tubes, and a connector 50 which is connected with a rocker arm 60 of a speed changer, wherein the gear shifting cylinder group 30 is directly or indirectly connected with the rocker arm 60, and the gear selecting cylinder group 40 is indirectly connected with the connector 50. Compared with the prior art, the pneumatic gear engaging device is strong in universality and can be used for achieving modularized and integrated production; the design of a speed changer operating mechanism does not need to be considered in the upgrading of automobiles and the pneumatic gear engaging device is simple and convenient to install and debug; since the pressure exerted on the rocker arm of the speed changer by the gear selecting cylinder group and the gear shifting cylinder group is still sustained after gear engagement is finished, gear escape does not occur.

Description

Pneumatic gearing device based on 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
The Chinese invention patent application that claimant is 201310370836.6 by application number previously a kind of numerical control transmission control, solved current single lever-type, flexible axle boom guy type and many bars by change three kinds of operating handle structures of power support reversable when the Installation and Debugging more complicated, require great effort time-consuming, in using process, easily there is off-gear, cannot realize the technical problem of integrated, modularization etc.Yet this application for a patent for invention is based on many air chambers, Mutli-station cylinder or oil cylinder, comparatively complexity, accuracy of manufacturing are had relatively high expectations structure, the defects such as overall dimensions is relatively large, especially install in the process coordinating and can not realize single station adjustment with automotive transmission; In addition, block selecting switch and shift switch all adopt approach switch, and approach switch is easily subject to dust, covering of foreign material and affects 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, cannot realize the technical problems such as integrated, modularization, claimant, on the basis in first to file, provide a kind of pneumatic gearing device based on double-acting cylinder parallel connection simultaneously.
For realizing this object, technological scheme disclosed by the invention is:
This pneumatic gearing device based on double-acting cylinder parallel connection, comprises that automatically controlled command signal unit 10, the instruction execution unit 20 being connected by electrical signal line with automatically controlled command signal unit 10, and instruction performance element 20 are by the connected shifting cylinder group 30 of tracheae and gear-selecting cylinder group 40, plug into 50 with the rocking arm 60 of speed changer is connected; Shifting cylinder group 30 is directly or indirectly connected with rocking arm 60, gear-selecting cylinder group 40 50 is 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---the first double-action shifting cylinder 301, 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 being 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 being 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 being provided with and draws respectively the 5th tracheae q5 and the 8th tracheae q8;
The two side ends of the second double-action gear-selecting cylinder 402 covers the intake and exhaust port being provided with and draws respectively the 6th tracheae q6 and the 9th tracheae q9;
The two side ends of the 3rd double-action gear-selecting cylinder 403 covers the intake and exhaust port being provided with and draws respectively the 7th tracheae q7 and the tenth tracheae q10.
Adopt this technological scheme, each double-acting cylinder and vehicle frame are independently fixing, and position regulating member that can be by is separately adjusted its relative position as leading screw and lock bolt, facilitates Installation and Debugging, 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 corresponding to the block selecting switch 102 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 be with arranging in the circuit board circuit board be fixed on the gearshift upper contact 1031 on vehicle frame and the lower contact 1032 of shifting gears contacts respectively;
Gearshift upper contact 1031 is drawn gear electrical signal line sd,
Gearshift lower contact 1032 is drawn lower block electrical signal line xd;
Described block selecting switch 102 is mechanical touch-control type, is fixed on that block selecting contact 1020 on gear Joystick 101 can contact 1021 of block selecting, two contacts 1022 of block selecting, three contacts 1023 of block selecting, five contacts 1025 in four contacts 1024 of block selecting and block selecting that circuit board is fixed on vehicle frame contact respectively with arranging in the circuit board;
An electrical signal line w1 is drawn in contact 1021 of block selecting,
Two electrical signal line w2 are drawn in two contacts 1022 of block selecting,
Three electrical signal line w3 are drawn in three contacts 1023 of block selecting,
Four electrical signal line w4 are drawn in four contacts 1024 of block selecting,
Five electrical signal line w5 are drawn in five contacts 1025 of block selecting.
Adopt this technological scheme, avoided approach switch 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, the first double-action gear-selecting cylinder 401, the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged of described gear-selecting cylinder group 40 also 50 are connected with plugging into indirectly by lever 80, and the piston of these three double-acting cylinders and the stroke of piston rod are identical.Adopt this technological scheme, can manufacture standard piece according to unified specification and size, by adjusting distance L 1, L2, the L3 between these three double-acting cylinders and fulcrum, and fulcrum and the distance L of plugging between 50 proportionate relationship between them, realization is mated with speed changer block selecting distance, is conducive to realize integrated, modularization.
Can also be, 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 also 50 are connected with plugging into indirectly by lever 80, the piston of these three double-acting cylinders and the stroke of piston rod are different, adopt this technological scheme, can fix the distance L 1 between these three double-acting cylinders and fulcrum, L2, L3, and fulcrum and the distance L of plugging 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, the first double-action gear-selecting cylinder 401, the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged of described gear-selecting cylinder group 40 also 50 are connected with plugging into indirectly by leading truck 70, and these three double-acting cylinders wherein piston rod of two comprise slippage section M.Adopt this technological scheme, in the situation that space in automobile is narrower, shortly also can realize.
When shifting cylinder group 30 is comprised of a first double-action shifting cylinder 301, it is directly connected described the first double-action shifting cylinder 301 with rocking arm 60; Described instruction execution unit 20 comprises the first gearshift solenoid valve 2011,2021,24 block selecting solenoid valves 2022 of First Five-Year Plan position block selecting solenoid valve and three block selecting solenoid valves 2023 of five mouthfuls of tri-states, wherein:
The first gearshift solenoid valve 2011 is drawn respectively gear electrical signal line sd, lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2;
First Five-Year Plan position block selecting solenoid valve 2021 is drawn respectively an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5;
Two or four block selecting solenoid valves 2022 are drawn respectively two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6;
Three block selecting solenoid valves 2023 are drawn respectively three electrical signal line w3 of block selecting, the 7th tracheae q7 and the tenth tracheae q10.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, 2021,24 block selecting solenoid valves 2022 of First Five-Year Plan position block selecting solenoid valve and three block selecting solenoid valves 2023 of five mouthfuls of tri-states, wherein:
The first gearshift solenoid valve 2011 is drawn respectively lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2;
The second gearshift solenoid valve 2012 is drawn respectively gear electrical signal line sd, the 3rd tracheae q3 and the 4th tracheae q4;
First Five-Year Plan position block selecting solenoid valve 2021 is drawn respectively an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5;
Two or four block selecting solenoid valves 2022 are drawn respectively two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6;
Three block selecting solenoid valves 2023 are drawn respectively three electrical signal line w3 of block selecting, the 7th tracheae q7 and the tenth tracheae q10.
Further, the first double-action shifting cylinder 301 specifically has with the mode of the second double-action shifting cylinder 302 parallel connections: the first double-action shifting cylinder 301 is with the relative arrangement of the second double-action shifting cylinder 302 and be directly connected with rocking arm 60 respectively, on the identical and piston rod of the stroke of the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302, 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 realize integrated, modularization.
Can also be: the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302 parallel arranged are also connected with rocking arm 60 indirectly by leading truck 70 all to comprise slippage section M on the identical and piston rod of the stroke of the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302.Adopt this technological scheme, in the situation that space in automobile is narrower, shortly also can realize.
Aforementioned so-called five mouthfuls, generally claim five-way, refer to always having 5 and importing and exporting port numbers of each solenoid valve; Two condition or tri-state refer to that the position of the slip of valve core of the electromagnetic valve has two or three kind, thereby change the situation about being communicated with of importing and exporting, thereby change the position of runner, realize two or three states.The electromagnetism-gas-driving valve of aforesaid five mouthfuls of two conditions, the solenoid valve that the model of specifically producing as Ya De, Taiwan visitor is 4V210-08; The electromagnetism-gas-driving valve of five mouthfuls of tri-states, the solenoid valve that the model of specifically producing as Ya De, Taiwan visitor is 4V230E-08;
As preferably, in one or more both sides end cap of described the first 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, be provided with spring, can make the shift fork of speed changer get back to initial point and/or make speed changer in plucking the position of gear, guarantee vehicle safety.
Compared with prior art, the present invention is strong by universality, can realize modularization, integrated production, and when car replacement is regenerated, without the design of considering transmission control, Installation and Debugging are simple and convenient; After having put into gear, gear-selecting cylinder group and the shifting cylinder group rocking arm institute applied pressure sustainable existence to 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 groups and shifting cylinder group;
Fig. 3 is the structural representation of embodiment of the present invention 3 gear-selecting cylinder groups and shifting cylinder group;
Fig. 4 is the structural representation of the automatically controlled command signal of the present invention unit;
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 that the present invention is 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 of known current nine gear vehicle transmissions distributes as shown in Figure 7, block selecting between five adjacent two gears of selector fork is respectively 7mm, 7mm, 11mm, 7mm apart from a, b, c, d, the angle 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 are respectively 20mm, and total kilometres X is 40mm.Take nine gear trucies as this pneumatic gearing device based on double-acting cylinder parallel connection of example explanation.
mode of execution 1, with reference to Fig. 1,4,5,7,8
Automatically controlled command signal unit 10, the instruction execution unit 20 being connected by electrical signal line with automatically controlled command signal unit 10, and instruction performance element 20 are by the connected shifting cylinder group 30 of tracheae and gear-selecting cylinder group 40, plug into 50 with the rocking arm 60 of speed changer is connected; The first double-action shifting cylinder 301 forms separately shifting cylinder group 30, the piston rod of this first double-action shifting cylinder 301 is directly connected with rocking arm 60, on its piston rod, there is no so-called slippage section M, therefore stroke=the rocking arm of stroke N=piston rod and the total kilometres X=40mm of shifting cylinder group joint of its piston, be provided with spring in its both sides end cap; This spring can not push away the position between minimum and maximum stroke place by piston and piston rod during air inlet or after exhaust simultaneously connecting the first tracheae q1 of both sides end cap intake and exhaust port and the second tracheae q2, corresponding to neutral gear position, realizes and plucks gear function.The first double-action gear-selecting cylinder 401, the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged form gear-selecting cylinder group 40, the piston rod of this three double-actions gear-selecting cylinder 50 is 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 to the gear block selecting distance=a+b+c+d=32mm of 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 to the gear block selecting distance=b+c=18mm of 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 to the gear block selecting distance=c+d=14mm of 4-5 gear; In its both sides end cap, be provided with spring.
Automatically controlled command signal unit 10 comprises gear Joystick 101 and corresponding to the block selecting switch 102 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 be with arranging in the circuit board circuit board be fixed on the gearshift upper contact 1031 on vehicle frame and the lower contact 1032 of shifting gears contacts respectively; Gearshift upper contact 1031 is drawn gear electrical signal line sd, and gearshift lower contact 1032 is drawn lower block electrical signal line xd; Described block selecting switch 102 is mechanical touch-control type, is fixed on that block selecting contact 1020 on gear Joystick 101 can contact 1021 of block selecting, two contacts 1022 of block selecting, three contacts 1023 of block selecting, five contacts 1025 in four contacts 1024 of block selecting and block selecting that circuit board is fixed on vehicle frame contact respectively with arranging in the circuit board; An electrical signal line w1 is drawn in contact 1021 of block selecting, two electrical signal line w2 are drawn in two contacts 1022 of block selecting, three electrical signal line w3 are drawn in three contacts 1023 of block selecting, and four electrical signal line w4 are drawn in four contacts 1024 of block selecting, and five electrical signal line w5 are drawn in five contacts 1025 of block selecting.
Instruction execution unit 20 comprises the first gearshift solenoid valve 2011,2021,24 electromagnetism-gas-driving valves 2022 of First Five-Year Plan position block selecting solenoid valve and three block selecting solenoid valves 2023, wherein: the first gearshift solenoid valve 2011 is drawn respectively gear electrical signal line sd, lower block electrical signal line xd, the first tracheae q1 and the second tracheae q2; First Five-Year Plan position block selecting solenoid valve 2021 is drawn respectively an electrical signal line w1, five electrical signal line w5, the 8th tracheae q8 and the 5th tracheae q5; Two or four electromagnetism-gas-driving valves 2022 are drawn respectively two electrical signal line w2, four electrical signal line w4, the 9th tracheae q9 and the 6th tracheae q6; Three block selecting solenoid valves 2023 are drawn respectively three electrical signal line w3 of block selecting, the 7th tracheae q7 and the tenth tracheae q10.Aforesaid four solenoid valves are all the electromagnetism-gas-driving valve that the model of five mouthfuls of tri-states, the visitor's production of Ya De, Taiwan is 4V230E-08.
Take below and hang 1 gear and real work flow process is once described as example:
Joystick 101 is chosen 1 gear and is put, contact 1021 of block selecting that circuit board is fixed on vehicle frame contacts with arranging to be in the circuit board fixed on block selecting contact 1020 on gear Joystick 101, an electrical signal line w1 connects, 2021 actions of First Five-Year Plan position block selecting solenoid valve, the 8th tracheae q8 by automobile pressure system air feed gives the outside exhaust of the first double-action gear-selecting cylinder 401, 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 its effect, piston in the first double-action gear-selecting cylinder 401 is possessed under the effect of pressure and is moved down in the 5th tracheae q5, drives piston rod to pull leading truck 70 to move down, thereby drive, plugs into 50 and then drive the shift fork of speed changer to move down:
When the gear of being hung before block selecting is R gear, the piston in the first double-action gear-selecting cylinder 401 does not move;
When the gear of being hung before block selecting is 2 gears or 3 gear, the piston in the first double-action gear-selecting cylinder 401 moves down 7mm;
When the gear of being hung before block selecting is 4 gears or 5 gear, the piston in the first double-action gear-selecting cylinder 401 moves down 14mm;
When the gear of being hung before block selecting is 6 gears or 7 gear, the piston in the first double-action gear-selecting cylinder 401 moves down 25mm;
When the gear of being hung before block selecting is 8 gears or 9 gear, the piston in the first double-action gear-selecting cylinder 401 moves down 32mm; Complete above-mentioned action and moved respectively by three cylinders, on the piston rod due to the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403, have the slippage section of 18mm and the 14mm of containment relationship, so 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 caps, can occur that extreme case is as all not ventilations or during all in quick condition of whole double-action gear-selecting cylinders, the length that still can drive the shift fork of speed changer to get back to set according to both sides spring and the difference of elasticity coefficient and definite initial point.
After block selecting puts in place, the gearshift lower contact 1032 that circuit board is fixed on vehicle frame contacts with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, lower block electrical signal line xd connects, the second gearshift solenoid valve 2012 actions, the second tracheae q2 by automobile pressure system air feed gives the outside exhaust of the first double-action shifting cylinder 301, piston in the first double-action shifting cylinder 301 is moved to the left, and drives piston rod to promote rocking arm 60 and is moved to the left 20mm, and 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 caps, can occur that extreme case breaks down as circuit or gas circuit, all do not ventilate or all ventilate when quick condition in the piston both sides of this cylinder, if there is no spring, cannot pluck gear, this spring is set and piston and piston rod can be pushed away to its maximum or minimum stroke place i.e. upper gear or lower block place, arrive basic position of plucking gear by paracentral position, guarantee vehicle safety.
Comprehensive above-mentioned two actions, speed changer has hung up 1 gear.
In the time of need to plucking gear, Joystick 101 is upwards moved neutral gear position to, the gearshift lower contact 1032 that circuit board is fixed on vehicle frame is separated with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, lower block electrical signal line xd disconnects, because spring has the effect of forced resetting, the pressure that drives the first double-action shifting cylinder 301 to move right in final cavity reaches balance, mobile distance is 20mm, even without reaching 20mm, only reach 10mm, also can realize 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 differences, other structures are identical with embodiment 1.
Shifting cylinder group 30 is composed in parallel by two double-acting cylinders, and its first double-action shifting cylinder 301 is directly connected with rocking arm 60 with the relative arrangement of the second double-action shifting cylinder 302 and its piston rod.On the identical and piston rod of the stroke of the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302, all comprise slippage section M=20mm.
Take below and hang 2 gears and the workflow of shifting cylinder group 30 is once described as example:
Joystick 101 is chosen 2 gears and is put, the gearshift upper contact 1031 that circuit board is fixed on vehicle frame contacts with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, upper gear electrical signal line sd connects, the second gearshift solenoid valve 2012 actions, the 3rd tracheae q3 by automobile pressure system air feed gives the second double-action shifting cylinder 302 exhausts, now the first tracheae q1 of the first double-action shifting cylinder 301 1 sides possesses pressure, and the first double-action shifting cylinder 301 is in plucking the state that gear is corresponding; Piston in the second double-action shifting cylinder 302 40mm that moves right under the effect of the 4th tracheae q4 pressure, drives piston rod and then drives the rocking arm 60 of the speed changer 20mm that moves right.Complete and hang 2 gear actions.The slippage section that has identical 20mm on piston rod due to the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302, so the action of these two double-action gear-selecting cylinders can not produce mutual interference.
In the time of need to plucking gear, Joystick 101 is moved neutral gear position downwards to, the gearshift upper contact 1031 that circuit board is fixed on vehicle frame is separated with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, upper gear electrical signal line sd disconnects, the second gearshift solenoid valve 2012 actions, the 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 pistons 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, realized and plucked 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 first double-action shifting cylinder 301 is identical with the stroke N of the second double-action shifting cylinder 302 pistons and piston rod=40mm, on piston rod, all comprise slippage section M=20mm.
The first double-action gear-selecting cylinder 401, the second double-action gear-selecting cylinder 402 and the 3rd double-action gear-selecting cylinder 403 parallel arranged form gear-selecting cylinder group 40, the piston rod of this three double-actions gear-selecting cylinder 50 is 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 infers to lever 80 and the ratio of the distance L of 50 joints of plugging into according to the fulcrum of lever 80, referring to inferring below process:
The piston rod of these three double-action gear-selecting cylinders and lever 80 hinged places are respectively L1, L2, L3 to the distance between the fulcrum of lever 80, and the fulcrum of lever 80 is L to lever 80 with the distance of 50 joints of plugging into, and sets L=10mm,
The 3rd double-action gear-selecting cylinder 403 equals 8-9 corresponding to the displacement of speed changer rocking arm 60 to be kept off to the gear block selecting distance=c+d=14mm of 4-5 gear; By the L3=14.286mm that can be calculated of Similar Principle of Triangle;
The second double-action gear-selecting cylinder 402 equals 2-3 corresponding to the displacement of speed changer rocking arm 60 to be kept off to the gear block selecting distance=b+c=18mm of 6-7 gear; By the L2=11.111mm that can be calculated of Similar Principle of Triangle;
The first double-action gear-selecting cylinder 401 equals R-1 corresponding to the displacement of speed changer rocking arm 60 to be kept off to the gear block selecting distance=a+b+c+d=32mm of 8-9 gear; By the L1=6.25mm that can be calculated of Similar Principle of Triangle;
Take below and hang the 3 gears workflow actual as example illustrates:
Joystick 101 is chosen 3 gears and is put, three contacts 1023 of block selecting that circuit board is fixed on vehicle frame contact with arranging to be in the circuit board fixed on block selecting contact 1020 on gear Joystick 101, three electrical signal line w3 connect, three block selecting solenoid valve 2023 actions, the tenth tracheae q10 by automobile pressure system air feed gives the outside exhaust of the 3rd double-action gear-selecting cylinder 403, 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 its effect, piston in the 3rd double-action gear-selecting cylinder 403 is possessed under the effect of pressure and is moved up in the 7th tracheae q7, drive piston rod pull lever 80 to be rotated counterclockwise, because lever causes the moving direction of its fulcrum both sides contrary, thereby drive, plug into 50 and then drive the rocking arm 60 of speed changer to move down 7mm with respect to R-1 gear,
The action of respective cylinder while hanging again other gears for ease of understanding, below listing:
When block selecting is R or 1 when gear, the piston in the first double-action gear-selecting cylinder 401 upwards drives plugs into 50 and then drive the rocking arm 60 of speed changer with respect 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 move down drive plug into 50 so that the rocking arm 60 that drives speed changer with respect to 2-3 gears 0mm that moves up;
When block selecting is 4 gears or 5 whens gear, the piston in the 3rd double-action gear-selecting cylinder 403 move down drive plug into 50 so that the rocking arm 60 that drives speed changer with respect to 2-3 gears 7mm that moves up;
When block selecting is 6 gears or 7 whens gear, the piston in the second double-action gear-selecting cylinder 402 move down drive plug into 50 so that the rocking arm 60 that drives speed changer with respect to 2-3 gears 11mm that moves up;
When block selecting is 8 gears or 9 whens gear, the piston in the first double-action gear-selecting cylinder 401 move down drive plug into 50 so that the rocking arm 60 that drives speed changer with respect to 2-3 gears 25mm that moves up.
After block selecting puts in place, Joystick 101 is suspended to 3 gears and puts, the gearshift lower contact 1032 that circuit board is fixed on vehicle frame contacts with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, lower block electrical signal line xd connects, the first gearshift solenoid valve 2011 actions, the first tracheae q1 by automobile pressure system air feed gives the first double-action shifting cylinder 301 exhausts, now the tracheae of the second double-action shifting cylinder 302 1 sides is possessed pressure, and the second double-action shifting cylinder 302 is in plucking gear state; Piston in the 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 with respect to initial point, to move 20mm left.The slippage section that has identical 20mm on piston rod due to the first double-action shifting cylinder 301 and the second double-action shifting cylinder 302, so the action of these two double-action gear-selecting cylinders can not produce mutual interference.
Comprehensive above-mentioned two actions, speed changer has hung up 3 gears.
In the time of need to plucking gear, Joystick 101 is upwards moved neutral gear position to, the gearshift lower contact 1032 that circuit board is fixed on vehicle frame is separated with arranging to be in the circuit board fixed on gearshift contact 1030 on gear Joystick 101, lower block electrical signal line xd disconnects, the second gearshift solenoid valve 2012 actions, the first tracheae q1 gives the first double-action shifting cylinder 301 qi of chong channel ascending adversely, the piston that promotes the first double-action shifting cylinder 301 moves right, finally reach pressure balance, the distance that rocking arm 60 moves is 20mm, now two cylinders are in plucking gear state, even if moving right, the piston of the first double-action shifting cylinder 301 do not make rocking arm 60 reach 20mm, only reach 10mm, also can realize and pluck gear function, now speed changer arrives neutral gear position.
Hang other gear by that analogy.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.For example the numerical control speed-changer operation device of 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 that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.

Claims (10)

1. the pneumatic gearing device based on double-acting cylinder parallel connection, comprises that automatically controlled command signal unit (10), the instruction execution unit (20) being connected by electrical signal line with automatically controlled command signal unit (10), and instruction performance element (20) are by the connected shifting cylinder group (30) of 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 being 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 being 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 being provided with and draws respectively the 5th tracheae (q5) and the 8th tracheae (q8);
The two side ends of the second double-action gear-selecting cylinder (402) covers the intake and exhaust port being provided with and draws respectively the 6th tracheae (q6) and the 9th tracheae (q9);
The two side ends of the 3rd double-action gear-selecting cylinder (403) covers the intake and exhaust port being provided with and draws respectively the 7th tracheae (q7) and the tenth tracheae (q10).
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 corresponding to the block selecting switch (102) 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 be with arranging in the circuit board circuit board be fixed on the gearshift upper contact (1031) on vehicle frame and the lower contact (1032) of shifting gears contacts respectively;
Gearshift upper contact (1031) is drawn gear electrical signal line (sd),
Gearshift lower contact (1032) is drawn lower block electrical signal line (xd);
Described block selecting switch (102) is mechanical touch-control type, is fixed on that block selecting contact (1020) on gear Joystick (101) can four contacts of three contacts of two contacts of a contact of block selecting (1021), block selecting (1022), block selecting (1023), block selecting (1024) that circuit board is fixed on vehicle frame contact respectively with five contacts of block selecting (1025) with arranging in the circuit board;
An electrical signal line (w1) is drawn in a contact of block selecting (1021),
Two electrical signal lines (w2) are drawn in two contacts of block selecting (1022),
Three electrical signal lines (w3) are drawn in three contacts of block selecting (1023),
Four electrical signal lines (w4) are drawn in four contacts of block selecting (1024),
Five electrical signal lines (w5) are drawn in five contacts of block selecting (1025).
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), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged of described gear-selecting cylinder group (40) 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 are 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), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged of described gear-selecting cylinder group (40) 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 are 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), the second double-action gear-selecting cylinder (402) and the 3rd double-action gear-selecting cylinder (403) parallel arranged of described gear-selecting cylinder group (40) 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 it is directly connected the first described double-action shifting cylinder (301) with rocking arm (60) when shifting cylinder group (30) is comprised of a first double-action shifting cylinder (301); Described instruction execution unit (20) comprises the first gearshift solenoid valve (2011), 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) of five mouthfuls of tri-states, wherein:
The first gearshift solenoid valve (2011) is drawn respectively gear electrical signal line (sd), lower block electrical signal line (xd), the first tracheae (q1) and the second tracheae (q2);
First Five-Year Plan position block selecting solenoid valve (2021) is drawn respectively an electrical signal line (w1), five electrical signal lines (w5), the 8th tracheae (q8) and the 5th tracheae (q5);
Two or four block selecting solenoid valves (2022) are drawn respectively two electrical signal lines (w2), four electrical signal lines (w4), the 9th tracheae (q9) and the 6th tracheae (q6);
Three block selecting solenoid valves (2023) are drawn respectively three electrical signal lines of block selecting (w3), the 7th tracheae (q7) and the tenth tracheae (q10).
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 the second gearshift solenoid valve (2012) of five mouthfuls of two conditions, the 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:
The first gearshift solenoid valve (2011) is drawn respectively lower block electrical signal line (xd), the first tracheae (q1) and the second tracheae (q2);
The second gearshift solenoid valve (2012) is drawn respectively gear electrical signal line (sd), the 3rd tracheae (q3) and the 4th tracheae (q4);
First Five-Year Plan position block selecting solenoid valve (2021) is drawn respectively an electrical signal line (w1), five electrical signal lines (w5), the 8th tracheae (q8) and the 5th tracheae (q5);
Two or four block selecting solenoid valves (2022) are drawn respectively two electrical signal lines (w2), four electrical signal lines (w4), the 9th tracheae (q9) and the 6th tracheae (q6);
Three block selecting solenoid valves (2023) are drawn respectively three electrical signal lines of block selecting (w3), the 7th tracheae (q7) and the tenth tracheae (q10).
8. according to the pneumatic gearing device based on double-acting cylinder parallel connection described in claim 1 or 7, it is characterized in that the first double-action shifting cylinder (301) with the relative arrangement of the second double-action shifting cylinder (302) and be directly connected with rocking arm (60) respectively, the two stroke is identical, all comprise slippage section (M) on piston rod.
9. according to the pneumatic gearing device based on double-acting cylinder parallel connection described in 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, all comprise slippage section (M) on piston rod.
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).
CN201310685801.1A 2013-12-16 2013-12-16 Based on the pneumatic gearing device of double-acting cylinder parallel connection Active CN103629342B (en)

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CN104595481A (en) * 2014-12-12 2015-05-06 王建军 Gear locking device based on lever type operating lever
CN105277875A (en) * 2015-10-26 2016-01-27 昆山鸿志犀自动化机电设备有限公司 Pneumatic blowing device
CN109202865A (en) * 2018-07-27 2019-01-15 南京理工大学 A kind of two-freedom parallel connection gear shifting manipulator

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CN202992148U (en) * 2012-09-20 2013-06-12 洛阳市黄河软轴控制器股份有限公司 Multi-section type gear shifting executing air cylinder
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CN109202865A (en) * 2018-07-27 2019-01-15 南京理工大学 A kind of two-freedom parallel connection gear shifting manipulator

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