CN205136571U - Pneumatic shift system of automobile -used mechanical gearbox - Google Patents

Pneumatic shift system of automobile -used mechanical gearbox Download PDF

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Publication number
CN205136571U
CN205136571U CN201520683883.0U CN201520683883U CN205136571U CN 205136571 U CN205136571 U CN 205136571U CN 201520683883 U CN201520683883 U CN 201520683883U CN 205136571 U CN205136571 U CN 205136571U
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China
Prior art keywords
pneumatic
solenoid directional
directional control
controller
control valve
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Expired - Fee Related
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CN201520683883.0U
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Chinese (zh)
Inventor
林会明
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Jiangsu Huimin Traffic Facility Co ltd
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Individual
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Abstract

The utility model discloses a pneumatic shift system of automobile -used mechanical gearbox, the pneumatic shift system of machinery gearbox includes controller, magenetic exchange valve integrated package, electric clutch system, pneumatic gearshift, fender position display, the electron handle of shifting, the magenetic exchange valve integrated package is integrated by magenetic exchange valve, and the car gas holder is connected to magenetic exchange valve integrated package one end, and pneumatic gearshift is connected respectively to the other end, the electric clutch systems and control ware links to each other, controller and the integration of magenetic exchange valve integrated package are on the control system of whole car, the display integration of fender position on the display panel of car, the electron shift the handle and locate the control area of vehicle, the outside at the gearbox is fixed by the electric clutch system, pneumatic gearshift is fixed on the gearbox.

Description

The Pneumatic shift system of vehicle mechanical gearbox
Technical field
The present invention relates to auto parts and components field, be specifically related to the Pneumatic shift system of vehicle mechanical gearbox, namely realize the gear shift operation to mechanical gear box by atmospheric control.
Background technique
At present, city vehicle, as bus and taxi, adopts mechanical gear box mostly, mechanical gear box installs low cost of manufacture and oil consumption is low, but have to pass through first cut-off clutch during mechanical gear box gearshift, then pull shift handle, the sequence of operations such as clutch of rejoining just can complete gearshift.
Gearbox not only will can meet the requirement that various road conditions travel vehicle in mechanical property, and the safety traffic of support vehicles, also operationally should meet the custom of user, makes operation comfortable, convenient and have to drive sense.In order to the double requirements of safety traffic and user operation habits can be met, the invention discloses a kind of automatic gear shifting system of Pneumatic mechanical type, primarily of mechanical structure and automatic control system composition, wherein mechanical mechanism comprises compressed-air shifting assembly, shift fork etc., and automatic control system is made up of automatical control system.Driver just conveniently can realize gear shift operation by means of only operation electric gear change handle (or other gearshift interfaces such as knob of shifting gears), without the need to operating clutch pedal, and the real-time poem data feedback that in vehicle travel process, automatic control system can also travel according to vehicle adjusts gear, the safety traffic of support vehicles automatically.
City traffic road condition is complicated, and very frequently, driver's labor intensity is very large for taxi and bus gearshift.At present, although AT automatic speed changing box technology is ripe, because price is very expensive, oil consumption is very high, about high than mechanical gear box oil consumption by 20%, and maintenance cost is high.So AT automatic transmission case is more common in medium-to-high grade car.CVT automatic transmission case transmitting torque is little, can not meet the power demand of taxi and bus.The collection of AMT gearbox working condition signal and calculation of complex, for the complex working condition bad adaptability of taxi and bus, the fault such as easily cause vehicle flame-out.
Summary of the invention
1, the technical problem that will solve is invented
The object of the invention is to design that a kind of structure is simple, energy consumption is low, dynamic response is fast, the automobile-used shifting system of adaptable semi-automation.
2, technological scheme
Principle: the Pneumatic shift system of vehicle mechanical gearbox, comprises controller, solenoid directional control valve integrated package, Pneumatic gearshift, gear indicator, electric gear change handle, braking pedal, power supply.Clutch adopts motor to drive, and gearshift adopts pneumatic control.Controller is data processing, the control centre of Pneumatic shift system, the signal that controller is responsible for receiving have the clutch signal of the actuating signal of electric gear change handle, electric clutch, Pneumatic gearshift shift fork position signal, the tach signal of motor, the vehicle speed signal of driver part and brake signal etc.Controller is after the actuating signal receiving electric gear change handle, and the motor afterwards signal being exported to clutch as calculated completes clutch operation.
Concrete technological scheme: the Pneumatic shift system of described mechanical gear box comprises controller, solenoid directional control valve integrated package, electric clutch system, Pneumatic gearshift, gear indicator, electric gear change handle; Described solenoid directional control valve integrated package is integrated by solenoid directional control valve, and solenoid directional control valve integrated package one end connects vehicle reservation tank, and the other end connects Pneumatic gearshift respectively; Electric clutch system and control device is connected; Described controller and solenoid directional control valve integrated package are integrated in the control system of car load, and described gear indicator is integrated on the display floater of automobile, and the control area of vehicle is located at by described electric gear change handle; Described electric clutch system is fixed on the outside of gearbox, and described Pneumatic gearshift is fixed on gearbox.
Solenoid directional control valve integrated package is connected with controller, and receives controller instruction and carry out program behavior; Solenoid directional control valve is connected with Pneumatic gearshift by tracheae; Solenoid directional control valve controls, by the air pressure regulated in gas circuit, to make cylinder moving, thus control Pneumatic gearshift is shifted gears by promoting shift fork.
Gear indicator, the shift signal, the tach signal of motor and the vehicle speed signal etc. of driver part that export after display via controller calculates.Gear indicator is integrated on the control panel of automobile; Electric gear change handle also can adopt electric gear change knob etc. or other can select to control the mechanism form of gear, the position of electric gear change handle can be arranged on below steering wheel or be integrated in the convenient automobile control area controlled of the first-class driver of control panel of automobile, and driver can be made easily, easily to use.
Electric clutch system, the electric machine main shaft of electric clutch is connected with planetary mechanism by key, then through planet double reduction, transmission of power on gear shaft, the dynamic fortune of linear reciprocation made by gear shaft band carry-over bar, and the external part of tooth bar is connected with gearbox disengaging yoke; When tooth bar is released, gearbox friction plate is compacted, and the power transmission of motor is to gearbox; When tooth bar indentation, gearbox friction plate discharges, and has blocked the power transmission of motor to gearbox.
Electric clutch is fixed on outside gearbox, and it comprises motor, two-stage planetary reduction mechanism, gear shaft, tooth bar, clutch housing etc.Motor and two-stage planetary reduction mechanism are screwed on clutch housing, electric machine main shaft and two-stage planetary reduction mechanism pass through key connecting, gear shaft is meshed with tooth bar, tooth bar is assemblied in clutch housing, position facing to tooth bar tooth top on clutch housing is provided with proximity switch, and tooth bar action can make proximity switch produce electrical signal and be delivered to controller; Tooth bar external part adjustable connecting piece is connected with gearbox disengaging yoke.
Motor carries out action under the control of the controller, thus controls electric clutch, and when motor to electric clutch, by transmission, tooth bar is released, and friction plate is compressed, and the power of motor will pass to gearbox.When also doing transmission in the other direction to the motor of electric clutch, tooth bar indentation, makes friction plate be separated, and motor and gearbox disconnect transmission of power.
Described Pneumatic gearshift comprises case lid, casing, cylinder, proximity switch B, shift fork I, shift fork II, shift fork III; Solenoid directional control valve integrated package is connected with cylinder by tracheae; Cylinder is made up of cylinder head, piston, plunger, plug screw, lining, clamp, tegillum; The cylinder interior of cylinder is located at by lining, and piston and plunger are arranged in the lining of cylinder, and clamp is located at the side of cylinder block, and plunger connects shift fork by plug screw, and air pressure drives the motion of shift fork by promoting plunger; Describedly littlely be covered on cylinder, described little covering is provided with proximity switch B, and proximity switch B is connected with controller by wire.
Solenoid directional control valve integrated package is made up of three solenoid directional control valves; Described Pneumatic gearshift is provided with 3 cylinders, is provided with a plunger and a piston in each cylinder, and each plunger is connected with a shift fork; Meanwhile, Pneumatic gearshift is controlled by 3 solenoid directional control valves, and each solenoid directional control valve connects cylinder by two tracheaes, and a tracheae is connected to piston side, and another root tracheae is connected to plunger side.
Pneumatic gearshift is provided with 9 proximity switch B little covering, the position of each proximity switch is that shift fork is when carrying out gear shift operation, the position that should be in, three positions that described shift fork should be in refer to gear a gear, two gears, three gears, four gears, five gears, neutral, reverse gear time, the position of each shift fork; In fact each shift fork has three positions, and each position is provided with a proximity switch B, and above-mentioned 9 proximity switch models and effect are all the same; Proximity switch B detects the position of selector fork, passes the signal along to controller.
Solenoid directional control valve carries out action under the control of the controller, Pneumatic gearshift is controlled, when to Pneumatic gearshift wherein an air feed time, air pressure will promote plunger or piston to other end, plunger will make shift fork action, thus the gear position stirred in gearbox, realize gear shift operation; Proximity switch gear information feed back to controller, can be shown by gear indicator simultaneously.
The workflow of the technological scheme of Pneumatic shift provided by the invention is as follows:
Gearshift, when driver will shift gears, operating electronic shift handle is to the gear needed, and controller, by exporting the motor of electrical signal to clutch, controls the separation of electric clutch; Solenoid directional control valve, to Pneumatic gearshift air feed, carries out gear shift operation to gearbox under the manipulation of plunger and shift fork.Gear information feed back to controller, is shown by gear indicator by proximity switch simultaneously.
During brake, electrical signal is sent to the motor of clutch by braking pedal by controller, motor reversing drive, controls the separation of electric clutch.
When controller setting engine speed is higher or lower than certain numerical value, hydraulic control clutch on-off and hydraulic gear-shifting mechanism carry out suitable subtracting gear or increase gear.Above-mentioned numerical value carries out individual design parameter according to the situation of vehicle and the demand of client.
3, technique effect
The present invention changes the manual joystick in manual transmission into air-leg, achieves Pneumatic shift operation; Change clutch pedal mechanism into electric clutch, achieve automatic clutch operation; With the addition of electric gear change handle (or knob) and achieve personalized shift control, enhance adaptability; With the addition of controller, achieve the interaction process of smoothly gearshift and relevant information.Technological scheme of the present invention is compared with manual transmission, and this product is by cut-off clutch, and gearshift, engaging clutch transfers to the Pneumatic shift of this product automatically to complete, and eliminates clutch pedal, greatly reduces the working strength of driver, improves smooth gear shifting.
Technological scheme of the present invention is compared with AT speed change, this product on the basis of manual transmission, adds Pneumatic gearshift and electric clutch to perform gear shift operation and corresponding clutch operating, its cost is low, and oil consumption is the same with manual gearing transmission, and maintenance cost is low.Technological scheme of the present invention is compared with CVT gearbox, and this product power transmission structure is the same with manual transmission, and its driving torque is large, and response is fast.Technological scheme of the present invention is compared with AMT gearbox, and this product is shifted gears opportunity from main separation primarily of driver, and can be reduced to corresponding gear according to engine speed during brake, flexibility is good, strong adaptability, achieves personalized manipulation simultaneously and drives.Compared with electronic or hydraulic gear-shifting mechanism, Pneumatic shift fast response time, structure is simple, and signals collecting is convenient.
Accompanying drawing explanation
Fig. 1 is that vehicle mechanical gearbox Pneumatic shift of the present invention and electric clutch control schematic diagram.
Fig. 2 is vehicle mechanical gearbox Pneumatic gearshift of the present invention and electric clutch and gearbox designs installation diagram.
Fig. 3 a is the plan view of vehicle mechanical gearbox Pneumatic gearshift assembly of the present invention.
Fig. 3 b is the main sectional view of vehicle mechanical gearbox Pneumatic gearshift assembly of the present invention.
Fig. 4 a is vehicle mechanical gearbox electric clutch assembly figure of the present invention.
Fig. 4 b is the sectional view of vehicle mechanical gearbox electric clutch assembly of the present invention.
1-gearbox flange, 2-Pneumatic gearshift, 3-gearbox, 4-electric clutch, 5-adjustable connecting piece, 6-disengaging yoke, 7-splined shaft, 8-piston, 9-plunger, 10-piston end gas port, 11-plunger side gas port, 12-shift fork, 13-casing, 14-case lid, 15-tegillum, 16-proximity switch, 17-motor, 18-two-stage planetary reduction mechanism assembly, 19-gear shaft, 20-clutch housing, 21-tooth bar, 22 plug screws.
Embodiment
Below in conjunction with 6 accompanying drawings, the specific embodiment of the present invention is described further.
Power transmission structure in technological scheme of the present invention is identical with the power transmission structure of manual gearing transmission, namely passes to gearbox by motor, then passes to output block, realizes the transmission of power.
As shown in Figure 1, the schematic diagram of Pneumatic gearshift and electric clutch Systematical control, controller directly controls the action of electric clutch, and electric clutch also feeds back clutch signal to controller; Solenoid directional control valve I, solenoid directional control valve II, solenoid directional control valve III constitute solenoid directional control valve integrated package, and controller directly controls solenoid directional control valve, and solenoid directional control valve is connected by tracheae with the gas holder in automobile, are solenoid directional control valve air feed; Solenoid directional control valve is connected with the cylinder of Pneumatic gearshift by tracheae, for Pneumatic gearshift provides power; Plunger rod in cylinder connects shift fork, and shift fork action is shifted gears, and proximity switch detects the position of shift fork, simultaneously by the position feedback of shift fork to controller, position information is shown by gear indicator.Driver can see gear information easily.Be provided with cylinder I, cylinder II and cylinder III, 3 cylinders in the present embodiment to be connected with solenoid directional control valve I ~ III respectively, above-mentioned 3 cylinders control shift fork I ~ III respectively simultaneously.9 proximity switch B are respectively proximity switch I ~ Ⅸ, and proximity switch I ~ Ⅸ detects the position of shift fork respectively.
As shown in Figure 2, Pneumatic gearshift and electric clutch and gearbox designs installation diagram.
The manual gear shift mechanism of dismantling on gearbox 3, is fixed by bolts to Pneumatic gearshift 2 on gearbox 3; Electric clutch 4 bolt is assembled in the side of gearbox 3, and in the present embodiment, electric clutch 4 is connected by adjustable connecting piece 5 with the disengaging yoke 6 of gearbox 3; Gearbox flange 1 connects with truck drive shaft; Splined shaft 7 connecting automobile engine, the power of motor car engine is delivered to transmission shaft by electric clutch 4, gearbox 3.
As shown in figures 1 and 3, Pneumatic gearshift comprises three cylinders and is controlled by three solenoid directional control valves respectively, is provided with piston 8, plunger 9 in each cylinder, and piston 8 end is provided with gas port 10, and plunger 9 side is provided with gas port 11, and plunger 9 connects shift fork 12.Gearshift is fixed on gearbox 3 by casing 13 and case lid 14, and gearshift upper end is provided with tegillum 15, and tegillum 15 is provided with proximity switch 16.
Pneumatic gearshift of the present invention has three groups of cylinders, structural principle is all identical, solenoid directional control valve carries out action under the control of the controller, Pneumatic gearshift is controlled, when a wherein air feed of the cylinder to Pneumatic gearshift, air pressure will promote piston 8 or plunger 9 to other end, and plunger 9 will make shift fork 12 action, thus sleeve is combined with corresponding gear, realize gear shift operation; When the equal air feed in the two of three cylinders to Pneumatic gearshift, now plunger 9 arrives meta, and gearbox is neutral gear position; Proximity switch 16 gear information feed back to controller, can be shown by gear indicator simultaneously.
As shown in Figure 4, electric clutch assembly, motor 17 becomes to be integrated with two-stage planetary reduction mechanism assembly 18 screw attachment, export as gear shaft 19, motor 17 and two-stage planetary reduction mechanism assembly 18 are screwed with clutch housing 20, clutch housing 20 is built with tooth bar 21, and tooth bar 21 is meshed with gear shaft 19; Motor 17 drives two-stage planetary reduction mechanism assembly 18 to rotate, and output gear shaft 19 is rotated, and gear shaft 19 passes to power on tooth bar 21 again; Tooth bar 21 is made to do straight reciprocating motion.
Solenoid directional control valve carries out action under the control of the controller, electric clutch 4 is controlled, when powering to the motor 17 of electric clutch 4, motor 17 rotates immediately, by the deceleration of two-stage planetary reduction mechanism assembly 18 transmission of power on output gear shaft 19, gear shaft 19 is meshed with tooth bar 21, so tooth bar 21 carries out straight reciprocating motion under the transmission of gear shaft 19; Tooth bar 21 is connected with the disengaging yoke 6 of gearbox 3 by adjustable connecting piece 5; So the power of motor 17 can promote the action of disengaging yoke 6 naturally, when this action pressing friction sheet, the power of motor will be delivered on gearbox; Otherwise when friction plate is unclamped in this action, the power between motor and gearbox will be cut off.

Claims (9)

1. the Pneumatic shift system of vehicle mechanical gearbox, is characterized in that: the Pneumatic shift system of described mechanical gear box comprises controller, solenoid directional control valve integrated package, electric clutch system, Pneumatic gearshift, gear indicator, electric gear change handle; Described solenoid directional control valve integrated package is integrated by solenoid directional control valve, and solenoid directional control valve integrated package one end connects vehicle reservation tank, and the other end connects Pneumatic gearshift respectively; Electric clutch system and control device is connected; Described controller and solenoid directional control valve integrated package are integrated in the control system of car load, and described gear indicator is integrated on the display floater of automobile, and the control area of vehicle is located at by described electric gear change handle; Described electric clutch system is fixed on the outside of gearbox, and described Pneumatic gearshift is fixed on gearbox.
2. the Pneumatic shift system of vehicle mechanical gearbox according to claim 1, is characterized in that: controller receives the actuating signal of electric gear change handle, the tach signal of motor, the throttle signal of motor, vehicle speed signal and brake signal; Controller calculates received signal by analysis, sends signal to solenoid directional control valve and electric clutch system, controls solenoid directional control valve and electric clutch system; Solenoid directional control valve controls the signal of Pneumatic gearshift implementation controller; Electric clutch receives the signal of controller and performs corresponding action.
3. the Pneumatic shift system of vehicle mechanical gearbox according to claim 1, is characterized in that: described solenoid directional control valve integrated package is made up of three solenoid directional control valves.
4. the Pneumatic shift system of vehicle mechanical gearbox according to claim 1, is characterized in that: described gear indicator, the shift signal exported after display via controller calculates.
5. the Pneumatic shift system of vehicle mechanical gearbox according to claim 1, is characterized in that: described electric clutch system is made up of clutch housing, motor, two-stage planetary reduction mechanism, gear shaft, tooth bar; Clutch housing is fixed on outside gearbox, and motor and two-stage planetary reduction mechanism are screwed on clutch housing; Electric machine main shaft is by key connecting two-stage planetary reduction mechanism, and the gear shaft of two-stage planetary reduction mechanism is meshed with tooth bar, and tooth bar is located in clutch housing; Tooth bar external part is connected with gearbox disengaging yoke by adjusting connector.
6. the Pneumatic shift system of vehicle mechanical gearbox according to claim 5, is characterized in that: electric clutch is connected with controller, drives under the control of the controller, and electric clutch feedback signal is to controller; Position facing to tooth bar tooth top on clutch housing is provided with proximity switch A, and tooth bar action can make proximity switch produce electrical signal and be delivered to controller.
7. the Pneumatic shift system of vehicle mechanical gearbox according to claim 1, is characterized in that: described Pneumatic gearshift comprises case lid, casing, cylinder, proximity switch B, shift fork I, shift fork II, shift fork III; Solenoid directional control valve is connected with cylinder by tracheae; Cylinder is made up of cylinder head, piston, plunger, plug screw, lining, clamp, tegillum; The cylinder interior of cylinder is located at by lining, and piston and plunger are arranged in the lining of cylinder, and clamp is located at the side of cylinder block, and plunger connects shift fork by plug screw, and air pressure drives the motion of shift fork by promoting plunger; Describedly littlely be covered on cylinder, described little covering is provided with proximity switch B, and proximity switch B is connected with controller by wire.
8. the Pneumatic shift system of vehicle mechanical gearbox according to claim 3, is characterized in that: described Pneumatic shift system is provided with three solenoid directional control valves, and each solenoid directional control valve controls a cylinder, is provided with a piston and a plunger in each cylinder; Solenoid directional control valve and cylinder connecting end are provided with two tracheaes, and a tracheae is connected to piston side, and another root tracheae connects plunger side.
9. the Pneumatic shift system of vehicle mechanical gearbox according to claim 7, is characterized in that: described proximity switch B has 9, be separately positioned on each shifting-fork gear-shifting operation time three positions on.
CN201520683883.0U 2015-09-06 2015-09-06 Pneumatic shift system of automobile -used mechanical gearbox Expired - Fee Related CN205136571U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520683883.0U CN205136571U (en) 2015-09-06 2015-09-06 Pneumatic shift system of automobile -used mechanical gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520683883.0U CN205136571U (en) 2015-09-06 2015-09-06 Pneumatic shift system of automobile -used mechanical gearbox

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499813A (en) * 2015-09-06 2017-03-15 林会明 The Pneumatic shift system of vehicle mechanical gearbox
CN106678358A (en) * 2017-02-07 2017-05-17 江苏大学 FSAE pneumatic gearshift device with data recording function and FSAE pneumatic gearshift method with data recording function
CN109552407A (en) * 2018-10-12 2019-04-02 徐州华奥纺织有限公司 New-energy automobile transfer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499813A (en) * 2015-09-06 2017-03-15 林会明 The Pneumatic shift system of vehicle mechanical gearbox
CN106678358A (en) * 2017-02-07 2017-05-17 江苏大学 FSAE pneumatic gearshift device with data recording function and FSAE pneumatic gearshift method with data recording function
CN109552407A (en) * 2018-10-12 2019-04-02 徐州华奥纺织有限公司 New-energy automobile transfer
CN109552407B (en) * 2018-10-12 2021-08-31 徐州华奥纺织有限公司 New energy automobile turns to device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170110

Address after: 223200 Jiangsu, Huaian, industrial zone, A District, Huaxi Road, No.

Patentee after: JIANGSU HUIMIN TRAFFIC FACILITY CO.,LTD.

Address before: 223200 Jiangsu, Huaian, industrial zone, A District, Huaxi Road, No.

Patentee before: Lin Huiming

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160406

Termination date: 20210906