CN201209666Y - Select/shift device for automatic mechanical transmission gear - Google Patents

Select/shift device for automatic mechanical transmission gear Download PDF

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Publication number
CN201209666Y
CN201209666Y CN 200820052956 CN200820052956U CN201209666Y CN 201209666 Y CN201209666 Y CN 201209666Y CN 200820052956 CN200820052956 CN 200820052956 CN 200820052956 U CN200820052956 U CN 200820052956U CN 201209666 Y CN201209666 Y CN 201209666Y
Authority
CN
China
Prior art keywords
gear
selecting
gear shift
shift
shifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 200820052956
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Chinese (zh)
Inventor
魏英俊
贺双桂
李勇
裴满
万里强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sino-German Automatic Transmission Co., Ltd.
Original Assignee
Hunan Changfeng Motor Research & Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Changfeng Motor Research & Design Co Ltd filed Critical Hunan Changfeng Motor Research & Design Co Ltd
Priority to CN 200820052956 priority Critical patent/CN201209666Y/en
Application granted granted Critical
Publication of CN201209666Y publication Critical patent/CN201209666Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16H61/32Electric motors actuators or related electrical 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
    • F16H61/28Generation 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
    • F16H2061/2876Racks
    • 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
    • F16H2061/2892Generation 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 other gears, e.g. worm gears, for transmitting rotary motion to the output mechanism

Abstract

The utility model relates to a mechanical type automatic transmission gear selecting/shifting device, which comprises a gear selecting actuating mechanism, a gear shifting actuating mechanism and a gear selecting/shifting buttonhead sleeve, and realizes the gear selecting and the gear shifting purposes by driving the gear selecting/shifting buttonhead sleeve to slide in axial direction or move in radial direction along a main bearing through the gear selecting actuating mechanism and the gear shifting actuating mechanism. The device has the advantages that the structure is simple, the realization is easy, the device is not influenced by region and climate, the performance is stable, the cost is low, the energy consumption is small, the pollution to the environment is small, the automation level is high, the transmission efficiency is high, the control is accurate, the device can meet the gear shafting requirements under different operating conditions, the portability is strong, the industrialized production is easy to be realized, and the device is particularly applied to the operation of the electronic-controlled mechanical type automatic transmission.

Description

Automatic mechanical transmission choosing/gearshift
Technical field
The utility model relates to the automatic mechanical transmission technical field, is meant a kind of automatic mechanical transmission choosing/gearshift especially.
Background technique
Compare with stepless speed variator (CVT) with hydraulic automatic speed variator (AT), the manufacture cost of automatic speed changer for machine (AMT) is much lower, and simple in structure, easy for installation, and market potential is huge.As a critical function module in the AMT system, the subject matter that current automatic transmission exists in technological development comprises: starting failure under the complex working condition, impact violent, gearshift not steadily, the friction plate lost of life and response be sluggish excessive etc.
Existing automatic transmission choosing/gear shift automatic controller mainly adopts hydraulic pressure installation or space cam gearshift mechanism both at home and abroad at present.
The fluid power driving mechanism has can capacity big, easy and simple to handle, be easy to realize safety protection, have certain absorbing and absorb the ability of impacting, and be convenient to advantages such as spatial arrangement, but select in the system of gear shift utilizing Speed On-off Valve, its major defect is exactly: variation of temperature makes that the hydraulic pressure oil viscosity changes in the actuator of speed changer, thereby, make and select the gear shift cylinder return line pressure loss to change, temperature reduces, and valve outlet port pressure increases, and recirculating oil quantity reduces, select the start speed of gear shift to cause automobile gear shift delay or not smooth more slowly, and temperature is reduced to after certain degree, and the flowability of hydraulic oil reduces greatly, influences the corresponding speed of speed changer even influences the reliability of its action; Particularly, cause this system to be subjected to certain restriction in the use of northern cold zone because its performance is subjected to Temperature Influence big.
Secondly hydraulic element are very high to the required precision of processing, the particularly processing of high-speed electromagnetic valve, manufacture complicated, cost height, and the same with motor-bolt rod driving mechanism to have control accurate inadequately, is difficult to reach the requirement of automatic transmission intelligent control.Simultaneously, electric liquid drive unit hydraulic oil leaks easily, causes environmental pollution.
The model utility content
The purpose of this utility model be to overcome the deficiency of prior art and a kind of control simple and compact for structure, accurate is provided, is quick on the draw, handles steadily, gear shift is soft, cost is low, possess the automatic mechanical transmission choosing/gearshift of forward gears and reverse gear protective function.
The utility model is to adopt following proposal to realize: automatic mechanical transmission choosing/gearshift comprises gear selecting actuator, gear-shifting actuating mechanism, selects the gear shift ball-head cover.
Described select the gear shift ball-head cover be sleeved on can along its endwisely slip and the main shaft that radially rotates on, be provided with the bulb that can be connected in the described gear shift ball-head cover side radially of selecting, be arranged with one at its opposite side radially and select gear shift track groove and to select the gear shift bulb with the gearbox gear-shift shift fork;
Described gear selecting actuator comprises gear selecting motor, turbine, worm screw, gear selecting gear, gear selecting tooth bar, gear selecting pin, and described turbine, worm screw are meshing with each other, the end of described worm screw be provided with one with the gear selecting gear of gear selecting tooth bar engagement; Described gear selecting pin one end is packed on the gear selecting tooth bar, and the other end is installed on to be located at and selects the selecting in the gear shift track groove of gear shift ball-head cover one side;
Described gear-shifting actuating mechanism comprises shift motor, connecting rod, gear shift tooth sector, gear shift driving gear, described gear shift driving gear and the engagement of gear shift tooth sector; One end ball of described connecting rod is connected on the gear shift tooth sector, the other end be located at the gear shift drive ball head shoot of selecting gear shift ball-head cover one side and connect.
In the utility model, described gear selecting motor, gear shifting motor are the direct current generator that is integrated with contactless angular displacement sensor.
Working principle of the present utility model is sketched in following:
1, gear selecting process: the gear selecting motor drives the gear selecting gear by worm and gear and rotates, and then the gear selecting tooth bar moving linearly of driving and gear selecting gear engagement, the gear selecting tooth bar drives the gear selecting pin moving linearly that is connected with it again, gear selecting pin and then drive are selected the gear shift ball-head cover and are selected the gear shift bulb to slide into corresponding gear positions along main shaft, finish gear selecting.
2, gearshift procedure: after gear selecting, shift motor drives gear shift tooth sector (crank) by the gear shift driving gear and turns over an angle, drive link drives selects the gear shift ball-head cover to turn over an angle, selects the gear shift ball-head cover to drive again and selects the gear shift bulb to turn over an angle, finishes gear shift.
3, reverse gear protection: referring to accompanying drawing 3, when gear selecting, because 5 grades be in same gear selecting position with reverse gear, in order to prevent to hang 5 grades, mistake is hung reverse gear, and gear-selecting and shifting executing mechanism is controlled with the relative movement orbit that selects the gear shift ball-head cover by ECU (Electrical Control Unit) and gear selecting pin and realized the reverse gear protection; When speed changer is in 4 grades, the gear selecting pin is in A point position, if the speed changer ECU (Electrical Control Unit) obtains signal for faster, gear-shifting actuating mechanism does not move back 4 grades immediately, but start the gear selecting motor earlier, drive the gear selecting pin by A to the B idle stroke of passing by, then, gear shifting motor starts, drive is selected the gear shift ball-head cover and is selected the gear shift bulb to move back shelves and enters neutral gear, this moment, the gear selecting pin selected the gear shift ball-head cover to move to 01 point by B point relatively, and the gear selecting motor drives the gear selecting pin again by 01 to 02 idle stroke of passing by, and drive is selected the gear shift ball-head cover and selected the gear shift bulb gear selecting stroke of upwards passing by then, speed changer enters the 5/R gear and puts, gear shifting motor drives and selects the gear shift ball-head cover and select the gear shift bulb, and speed changer is hung into 5 grades, and this moment, the gear selecting pin selected the gear shift ball-head cover to move to the C point by 02 relatively.Because movement locus has determined the gear selecting pin and can not be moved right, thereby speed changer is hung into neutral gear by top gear by 02 to C motion, and then guaranteed that speed changer can directly not hang reverse gear by top gear.
The utility model is with respect to automatically controlled--have the advantage of the following aspects for the-AMT that surges:
1) thus having cancelled hydraulic system makes the simple more weight of structure of whole gear-selecting-shifting mechanism lighter;
2) to make that system's control accuracy further improves the reaction action more accurate owing to directly adopt the integrate motor that is easy to the higher contactless angular displacement sensor of control accuracy to replace error that hydraulic actuator reduced the hydraulic element actions; Operating motor is a direct current motor in electricity powered AMT system, thereby will move through a reducing gear then and power is delivered on the shifting shifting block gear selecting and the gearshift to speed changer by certain mechanical device and controls.
3) so hydraulic element are just very high to the cost that the processing of the very high particularly high-speed electromagnetic valve of required precision of processing thereby general producer are difficult to process solenoid valve, and hydraulic oil leaks the pollution that causes environment easily.And the characteristics of the motor of the integrated contactless angular displacement sensor good precision height that is controllability, fast, the good reliability of reaction, and good to the adaptability of environment, particularly operating motor constantly develops to the following aspects in the last few years:
(1) controllability precision rapidity constantly improves;
(2) adapt to digitized developing direction;
(3) motor trend modularization;
(4) motor miniaturization practicability multifunction;
In sum, the utlity model has simple in structure, be easy to realize, be not subjected to region and climatic influences, stable performance, cost is low, energy consumption is little, environmental pollution is little, the automaticity height, transmission efficiency height, control accurately, adapt to gear shift under the various different operating modes require, portable strong, easily realize industrialized production, be particularly suitable for electric control mechanical type automatic speed variator and use.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is the A-A sectional view of accompanying drawing 1.
Movement locus schematic diagram when accompanying drawing 3 is hung reverse gear for the utility model.
Among the figure, 1---turbine, 2---worm screw, 9---gear selecting gear, 3---gear selecting tooth bar, 4---gear selecting pin, 5---select gear shift ball-head cover, 6---connecting rod, 7---gear shift tooth sector, and 8---gear shift driving gear, 10---main shaft, 11---select gear shift bulb, gear selecting motor--14, gear shifting motor---15.
Embodiment
Embodiment of the present utility model describes in detail below in conjunction with embodiment and accompanying drawing;
The utility model---automatic mechanical transmission choosing/gearshift comprises gear selecting actuator, gear-shifting actuating mechanism, selects gear shift ball-head cover 5,
Described select gear shift ball-head cover 5 be sleeved on can along its endwisely slip and the main shaft 10 that radially rotates on, described select gear shift ball-head cover 5 side radially to be provided with can be connected with the gearbox gear-shift shift fork select gear shift bulb 11, be arranged with one at its opposite side radially and select gear shift track groove 12 and to select gear shift bulb 13;
Described gear selecting actuator comprises gear selecting motor 14, turbine 1, worm screw 2, gear selecting gear 9, gear selecting tooth bar 3, gear selecting pin 4, described turbine 1 is installed on the gear selecting electric machine main shaft 14 and with worm screw 2 and is meshing with each other, the end of described worm screw 2 be provided with one with the gear selecting gear 9 of gear selecting tooth bar 3 engagements; Described gear selecting pin 4 one ends are packed on the gear selecting tooth bar 3, and the other end is installed on to be located at and selects the selecting in the gear shift track groove 12 of gear shift ball-head cover 5 one sides;
Described gear-shifting actuating mechanism comprises gear shifting motor 15, connecting rod 6, gear shift tooth sector 7, gear shift driving gear 8, and described gear shift driving gear 8 is installed on gear shifting motor 15 main shafts and with gear shift tooth sector 7 and meshes; One end ball of described connecting rod 6 is connected on the gear shift tooth sector 7, the other end be located at the gear shift of selecting gear shift ball-head cover 5 one sides and drive bulb 13 balls and connect.
In the utility model, described gear selecting motor 14, gear shifting motor 15 are for being integrated with the direct current generator of contactless angular displacement sensor.

Claims (2)

1, automatic mechanical transmission choosing/gearshift comprises gear selecting actuator, gear-shifting actuating mechanism, selects the gear shift ball-head cover, it is characterized in that:
Described select the gear shift ball-head cover be sleeved on can along its endwisely slip and the main shaft that radially rotates on, be provided with the bulb that can be connected in the described gear shift ball-head cover side radially of selecting, be arranged with one at its opposite side radially and select gear shift track groove and to select the gear shift bulb with the gearbox gear-shift shift fork;
Described gear selecting actuator comprises gear selecting motor, turbine, worm screw, gear selecting gear, gear selecting tooth bar, gear selecting pin, and described turbine, worm screw are meshing with each other, the end of described worm screw be provided with one with the gear selecting gear of gear selecting tooth bar engagement; Described gear selecting pin one end is packed on the gear selecting tooth bar, and the other end is installed on to be located at and selects the selecting in the gear shift track groove of gear shift ball-head cover one side;
Described gear-shifting actuating mechanism comprises gear shifting motor, connecting rod, gear shift tooth sector, gear shift driving gear, described gear shift driving gear and the engagement of gear shift tooth sector; One end ball of described connecting rod is connected on the gear shift tooth sector, the other end be located at the gear shift drive ball head shoot of selecting gear shift ball-head cover one side and connect.
2, automatic mechanical transmission choosing/gearshift according to claim 1 is characterized in that: described gear selecting motor, gear shifting motor are the direct current generator that is integrated with contactless angular displacement sensor.
CN 200820052956 2008-04-24 2008-04-24 Select/shift device for automatic mechanical transmission gear Expired - Lifetime CN201209666Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200820052956 CN201209666Y (en) 2008-04-24 2008-04-24 Select/shift device for automatic mechanical transmission gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200820052956 CN201209666Y (en) 2008-04-24 2008-04-24 Select/shift device for automatic mechanical transmission gear

Publications (1)

Publication Number Publication Date
CN201209666Y true CN201209666Y (en) 2009-03-18

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Application Number Title Priority Date Filing Date
CN 200820052956 Expired - Lifetime CN201209666Y (en) 2008-04-24 2008-04-24 Select/shift device for automatic mechanical transmission gear

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506165A (en) * 2011-11-08 2012-06-20 吉林大学 Electrically controlled electromechanical automatic shift system
CN103322181A (en) * 2013-07-09 2013-09-25 山推工程机械股份有限公司 Electromechanical combination gear-shifting operation system and engineering machinery
CN107654638A (en) * 2016-07-25 2018-02-02 上海汽车集团股份有限公司 Electric gear change system and its shift actuator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506165A (en) * 2011-11-08 2012-06-20 吉林大学 Electrically controlled electromechanical automatic shift system
CN103322181A (en) * 2013-07-09 2013-09-25 山推工程机械股份有限公司 Electromechanical combination gear-shifting operation system and engineering machinery
CN107654638A (en) * 2016-07-25 2018-02-02 上海汽车集团股份有限公司 Electric gear change system and its shift actuator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HU'NAN SINO-GERMAN AUTOMOBILE AUTO-TRANSMISSION CO

Free format text: FORMER OWNER: HUNAN CHANGFENG MOTOR RESEARCH + DESIGN CO., LTD.

Effective date: 20110308

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 410014 NO.1, TIYUAN ROAD, GUITANG, CHANGSHA CITY, HU'NAN PROVINCE TO: 421001 BLOCK 35, NEW AND HIGH TECHNOLOGY DEVELOPMENT AREA, HENGYANG CITY, HU'NAN PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110308

Address after: 421001 block 35, hi tech Development Zone, Hunan, Hengyang

Patentee after: Hunan Sino-German Automatic Transmission Co., Ltd.

Address before: 410014 Hunan province city Changsha Guyana Institute Road No. 1

Patentee before: Hunan Changfeng Motor Research & Design Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20090318

CX01 Expiry of patent term