CN106441885A - Fatigue endurance test system for gear selecting and shifting mechanisms of speed changers - Google Patents
Fatigue endurance test system for gear selecting and shifting mechanisms of speed changers Download PDFInfo
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- CN106441885A CN106441885A CN201611109382.7A CN201611109382A CN106441885A CN 106441885 A CN106441885 A CN 106441885A CN 201611109382 A CN201611109382 A CN 201611109382A CN 106441885 A CN106441885 A CN 106441885A
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- Prior art keywords
- gear shift
- shift mechanism
- gearshift
- gear
- tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a fatigue endurance test system for gear selecting and shifting mechanisms of speed changers. The fatigue endurance test system is characterized by comprising a base, a gear shifting operation mechanism and a loading device; a mounting frame for fixedly mounting the to-be-tested gear selecting and shifting mechanisms is arranged on the base, and the gear shifting operation mechanism is used for operating rotation of gear shifting arms of the gear selecting and shifting mechanisms; the loading device is used for applying load force to gear shifting fingers of the to-be-tested gear selecting and shifting mechanisms, a gear shifting finger clamp seat which is used for being matched with the gear shifting fingers of the to-be-tested gear selecting and shifting mechanisms is arranged at an output end of the loading device, and an angular displacement sensor for detecting rotation angles of the gear shifting fingers of the gear selecting and shifting mechanisms is mounted between the gear shifting finger clamp seat and the output end of the loading device. The fatigue endurance test system has the advantages of simple structure, convenience in operation, high detection efficiency, objective and accurate detection results and the like.
Description
Technical field
The present invention relates to the gear shift mechanism fatigue endurance in auto parts and components experimental technique field, more particularly, to variator
Pilot system, specifically, is related to a kind of fatigue endurance test system of speed variator gear shift mechanism.
Background technology
Speed variator gear shift mechanism is the vitals of automotive transmission, it be the internal most important parts of variator it
One, power and moment are delivered to gear shift mechanism by flexible axle by the shifting of selector, and gear shift mechanism utilizes itself mechanism special
Property, the power of gearshift flexible axle transmission and moment are reacted on gearshift refers to, gearshift refers to by rotating and movement transmits torque to again
On shifting shaft, drive shift fork to remake and use lock unit.Due to needing the in good time frequency carrying out gear during the traveling of automobile
Numerous switching, if speed variator gear shift mechanism does not reach corresponding life requirements will affect the shifting mistake within variator
Journey, it will very big hidden danger is produced to automobile driving safe, it is therefore necessary to gear shift mechanism design trial-manufacturing process and
Fatigue endurance test is carried out to finished product, to verify its fatigue reliability, and gear selecting gearshift is analyzed by fatigue endurance test
The position of failure mechanisms or damage is optimized accordingly to the parameter designing or structure design of speed variator gear shift mechanism again.
Existing design trial-manufacturing process and fatigue endurance test is not carried out to finished product, so can only obtain from real vehicle
The fatigue endurance result of speed variator gear shift mechanism but corresponding data cannot be obtained, due to gearshift refer to be welded to shifting shaft
On, in shift process, gearshift refers to need to drive shift fork to promote lock unit to complete gear shift operation, can bear larger load,
So being easy to that the defects such as structural-load-carrying capacity decline occur, only by virtue of experience go to improve parameter designing and structure design, this
Method more objective it is impossible to qualitative and quantitative evaluation is carried out to speed variator gear shift mechanism fatigue endurance, therefore necessary
Design a kind of system dedicated for speed variator gear shift mechanism fatigue endurance test.
Content of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is：How to provide one kind accurate
Really simulate the gear shift operation operating mode of gear shift mechanism on real vehicle, be easy to the speed change that the service life of gear shift mechanism is detected
Device gear shift mechanism fatigue endurance test system.
In order to solve above-mentioned technical problem, present invention employs following technical scheme：
A kind of speed variator gear shift mechanism fatigue endurance test system, it is characterised in that including base, described base is provided with
For fixedly mounting the installing rack of gear shift mechanism to be tested, and the gearshift for operating the gear arm of gear shift mechanism to rotate
Operating mechanism；Also include for the gearshift of gear shift mechanism to be tested is referred to apply with the charger of carrying, described loading dress
The outfan put is provided with and refers to deck for the gearshift referring to match with the gearshift of gear shift mechanism to be tested, and described gearshift refers to card
It is provided between seat and the outfan of described charger for detecting that the angular displacement of angle of rotation that gear shift mechanism gearshift refers to passes
Sensor；
Described Gear shift operation mechanism includes the first driving means for output torque, the axis of described first driving means with treat
The rotation axiss of the gear arm of test gear shift mechanism are parallel；Right angle setting on the output shaft end of described first driving means
Have a gearshift fork, the other end of described gearshift fork be provided with for the gear arm of gear shift mechanism to be tested on bulb phase
The gearshift sleeve of cooperation；
Described angular displacement sensor is connected to computer by data acquisition unit；Described computer is connected simultaneously respectively by controller
Control described first driving means and charger.
Using said structure, can easily gear shift mechanism to be tested be fixed on installing rack, computer can lead to
Crossing controller controls first driving means to rotate, and drives the gearshift fork rotation of the output shaft end of first driving means, drives
The gear arm rotation of gear shift mechanism, makes the shifting axle of gear shift mechanism rotate, completes gear shift operation, same in gear shift operation
When, controller controlled loading device loads to gearshift fingering row, can simulate gearshift under real vehicle state and refer to born load.Separately
Outward, computer can be exchanged the gearshift number of times of gear operating mechanism and be counted, and can count the angle of rotation that refers to of gearshift unqualified
Front accumulative gearshift number of times, thus obtain the fatigue life of gear shift mechanism.
As optimization, described installing rack includes horizontally disposed installing plate, described installing plate has and is available for choosing to be tested
Installing hole and the alignment pin for matching with the alignment pin on gear shift mechanism to be tested that one end of gearshift passes through
Hole；Also include the pressing plate for being fitted in gear shift mechanism to be tested on described installing plate.
Using said structure it is only necessary to gear shift mechanism to be measured is passed through the installing hole on installing plate, choosing is then made to change
In detent fit insertion dowel hole on retaining device, with pressing plate, gear shift mechanism is pressed on a mounting board, you can complete
The assembling of gear shift mechanism, above-mentioned assembling process is simple, easy accessibility, is conducive to improving the detection efficiency of gear shift mechanism.
As optimization, described Gear shift operation mechanism is arranged on described base by linear moving apparatus, and described straight line moves
Dynamic device is used for driving described Gear shift operation mechanism to move in the axial direction.
Using said structure, using linear moving apparatus, Gear shift operation mechanism rapidly can be moved along own axes.
So, after off-test, Gear shift operation mechanism is moved along away from gear shift mechanism direction to be measured, can be for having detected
The dismounting of gear shift mechanism and the more gear shift mechanism that renews bigger working place is provided, facilitate tearing open of gear shift mechanism
Dress, is conducive to improving the detection efficiency of gear shift mechanism.
As optimization, described linear moving apparatus include guide rail and are arranged on slide unit on described guide rail, also include using
In drive described slide unit along described guide rail movement the second driving means；Described Gear shift operation mechanism is arranged on described slide unit,
The drive end of described second driving means connects to described controller.
Said structure is simple, and manufacturing cost is relatively low, is easy to maintenance and installs.
As optimization, described second driving means include cylinder and the cylinder controller for controlling gas circuit, described gas
Cylinder controller connects to described controller.
As optimization, described angular displacement sensor is hollow axle rotary encoder.
As optimization, described first driving means and charger are motor.
In sum, the invention has the advantages that：
1st, speed variator gear shift mechanism fatigue endurance test system design is simple, and installation and debugging are convenient, and in this pilot system
Gearshift refers to and shift gears refer to the cooperation of deck and refer to and the cooperation of shift fork draw-in groove is consistent with shifting gears in real vehicle, ensures that variator
The accuracy of gear shift mechanism fatigue endurance test system and feasibility.
2nd, the method that speed variator gear shift mechanism fatigue endurance test system adopts Automatic Control, in test whole process
In it is only necessary to general workman to the clamping of gear shift mechanism, position, dismantle, greatly improve test efficiency.
3rd, the data of whole test can be analyzed by computer and arrange, accurately show that gear shift mechanism is tired
Corresponding data in labor long duration test, being easy to the later stage is targetedly optimized to gear shift mechanism.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the overlooking the structure diagram of Fig. 1.
Fig. 3 is a kind of flow chart of speed variator gear shift mechanism fatigue endurance test method.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
When being embodied as：As shown in Fig. 1～Fig. 2, a kind of speed variator gear shift mechanism fatigue endurance test system, the bottom of including
Seat 1, described base 1 is provided with the installing rack 2 for fixedly mounting gear shift mechanism to be tested, and is used for operating shifting
The Gear shift operation mechanism 3 of the gear arm rotation of mechanism；Also include for referring to the gearshift of gear shift mechanism to be tested apply load
The charger 4 of power, the outfan of described charger 4 is provided with for referring to match with the gearshift of gear shift mechanism to be tested
Gearshift refer to deck 5, described gearshift refers to be provided with for detecting shifting between deck 5 and the outfan of described charger 4
The angular displacement sensor 51 of the angle of rotation that mechanism's gearshift refers to；
Described Gear shift operation mechanism 3 includes the first driving means 31 for output torque, the axle of described first driving means 31
Line is paralleled with the rotation axiss of the gear arm of gear shift mechanism to be tested；On the output shaft end of described first driving means 31
It is vertically installed with gearshift fork 32, the other end of described gearshift fork 32 is provided with for the gearshift with gear shift mechanism to be tested
The gearshift sleeve 33 that bulb on arm matches；
Described angular displacement sensor 51 is connected to computer 7 by data acquisition unit 6；Described computer 7 passes through controller 8 respectively
Connect and control described first driving means 31 and charger 4.
Using said structure, can easily gear shift mechanism to be tested be fixed on installing rack, computer can lead to
Crossing controller controls first driving means to rotate, and drives the gearshift fork rotation of the output shaft end of first driving means, drives
The gear arm rotation of gear shift mechanism, makes the shifting axle of gear shift mechanism rotate, completes gear shift operation, same in gear shift operation
When, controller controlled loading device loads to gearshift fingering row, can simulate gearshift under real vehicle state and refer to born load.Separately
Outward, computer can be exchanged the gearshift number of times of gear operating mechanism and be counted, and can count the angle of rotation that refers to of gearshift unqualified
Front accumulative gearshift number of times, thus obtain the fatigue life of gear shift mechanism.
During enforcement, described installing rack 2 includes horizontally disposed installing plate, described installing plate has and is available for choosing to be tested and changes
Installing hole and the dowel hole for matching with the alignment pin on gear shift mechanism to be tested that one end of retaining device passes through；
Also include the pressing plate for being fitted in gear shift mechanism to be tested on described installing plate.
Using said structure it is only necessary to gear shift mechanism to be measured is passed through the installing hole on installing plate, choosing is then made to change
In detent fit insertion dowel hole on retaining device, with pressing plate, gear shift mechanism is pressed on a mounting board, you can complete
The assembling of gear shift mechanism, above-mentioned assembling process is simple, easy accessibility, is conducive to improving the detection efficiency of gear shift mechanism.
When being embodied as, following structure can be adopted, pressing plate is bolted on a mounting board, pressing plate and installing plate it
Between or pressing plate and be located at pressing plate upper end nut between be provided with spring.So, pressing plate can by the fastening force of bolt or
The elastic force of spring is pressed on gear shift mechanism to be measured, and dismounting is quicker.
During enforcement, described Gear shift operation mechanism 3 is arranged on described base 1 by linear moving apparatus 9, and described straight line moves
Dynamic device 9 is used for driving described Gear shift operation mechanism 3 to move in the axial direction.
Using said structure, using linear moving apparatus, Gear shift operation mechanism rapidly can be moved along own axes.
So, after off-test, Gear shift operation mechanism is moved along away from gear shift mechanism direction to be measured, can be for having detected
The dismounting of gear shift mechanism and the more gear shift mechanism that renews bigger working place is provided, facilitate tearing open of gear shift mechanism
Dress, is conducive to improving the detection efficiency of gear shift mechanism.
During enforcement, described linear moving apparatus 9 include guide rail 91 and are arranged on slide unit 92 on described guide rail 91, also wrap
Include for driving described slide unit 92 along the second driving means 93 of described guide rail 91 movement；Described Gear shift operation mechanism 3 is arranged on
On described slide unit 92, the drive end of described second driving means 93 connects to described controller 8.
Said structure is simple, and manufacturing cost is relatively low, is easy to maintenance and installs.
During enforcement, described second driving means 93 include cylinder and the cylinder controller for controlling gas circuit, described gas
Cylinder controller connects to described controller 8.
When being embodied as, straight line can also be carried out by screw-nut structure to slide unit using servomotor or motor
Drive, the precision of rectilinear movement can be improved.
During enforcement, described angular displacement sensor 51 is hollow axle rotary encoder.
During enforcement, described first driving means 31 and charger 4 are motor.
When being embodied as, each part in Gear shift operation mechanism can also be adjusted according to the gear shift mechanism of different model
Dimensional parameters and installation site, make on the gearshift sleeve of Gear shift operation mechanism and the cooperation of gear arm and real vehicle of gear shift mechanism
The correlation cooperation of gear shift mechanism is consistent；Gearshift can also be adjusted and refer to deck and shift gears the installation matching relationship between referring to and reality
The cooperation that gearshift on car refers to and shift fork draw-in groove between is consistent.As such, it is possible to make detection result more accurate.
During concrete test, as shown in figure 3, adopting following steps：First gear shift mechanism to be measured is arranged on described installation
On frame 2, computer refers to gearshift apply load by controller 8 controlled loading device 4, controls first driving means to drive simultaneously
Gearshift fork rotation, drives the gear arm rotation of gear shift mechanism, so that the shifting axle of gear shift mechanism is rotated, complete gearshift behaviour
Make；The corner that the gearshift that described angular displacement sensor detects refers to is acquired and inputs computer by described data acquisition unit
In；Qualified angle range when this corner is shifted gears by computer with gear shift mechanism is contrasted, if within the range, to total
Gearshift number of times adds up 1 time, and repeats above-mentioned shift steps, until total gearshift number of times reaches the test number (TN) of regulation or gearshift refers to
Outside the qualified angle range when gear shift mechanism is shifted gears for the corner.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of speed variator gear shift mechanism fatigue endurance test system is it is characterised in that include base（1）, described base（1）
On be provided with installing rack for fixedly mounting gear shift mechanism to be tested（2）, and for operating the gearshift of gear shift mechanism
The Gear shift operation mechanism of arm rotation（3）；Also include for referring to the gearshift of gear shift mechanism to be tested apply the loading of carrying
Device（4）, described charger（4）Outfan be provided with for changing that the gearshift of gear shift mechanism to be tested refers to match
Gear refers to deck（5）, described gearshift refers to deck（5）With described charger（4）Outfan between be provided with for detecting that choosing changes
The angular displacement sensor of the angle of rotation that retaining device gearshift refers to（51）；
Described Gear shift operation mechanism（3）Including the first driving means for output torque（31）, described first driving means
（31）Axis parallel with the rotation axiss of the gear arm of gear shift mechanism to be tested；Described first driving means（31）Defeated
Go out to be vertically installed with gearshift fork on shaft end（32）, described gearshift fork（32）The other end be provided with for choosing to be tested
The gearshift sleeve that bulb on the gear arm of gearshift matches（33）；
Described angular displacement sensor（51）By data acquisition unit（6）Connect to computer（7）；Described computer（7）By control
Device processed（8）Connect and control described first driving means respectively（31）And charger（4）.
2. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 1 is it is characterised in that described installing rack
（2）Including horizontally disposed installing plate, described installing plate has the installation being available for that one end of gear shift mechanism to be tested passes through
Hole and the dowel hole for matching with the alignment pin on gear shift mechanism to be tested；Also include for changing choosing to be tested
Retaining device is fitted in the pressing plate on described installing plate.
3. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 1 is it is characterised in that described gearshift is grasped
Make mechanism（3）By linear moving apparatus（9）It is arranged on described base（1）On, described linear moving apparatus（9）For driving
State Gear shift operation mechanism（3）Move in the axial direction.
4. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 3 is it is characterised in that described straight line moves
Dynamic device（9）Including guide rail（91）And it is arranged on described guide rail（91）On slide unit（92）, also include for driving described cunning
Platform（92）Along described guide rail（91）Second driving means of movement（93）；Described Gear shift operation mechanism（3）It is arranged on described slide unit
（92）On, described second driving means（93）Drive end connect to described controller（8）.
5. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 4 is it is characterised in that described second drives
Dynamic device（93）Cylinder controller including cylinder and for controlling gas circuit, described cylinder controller connects to described controller
（8）.
6. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 1 is it is characterised in that described angular displacement
Sensor（51）For hollow axle rotary encoder.
7. speed variator gear shift mechanism fatigue endurance test system as claimed in claim 1 is it is characterised in that described first drives
Dynamic device（31）And charger（4）It is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109382.7A CN106441885B (en) | 2016-12-06 | 2016-12-06 | Speed variator gear shift mechanism fatigue endurance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109382.7A CN106441885B (en) | 2016-12-06 | 2016-12-06 | Speed variator gear shift mechanism fatigue endurance test system |
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| Publication Number | Publication Date |
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| CN106441885A true CN106441885A (en) | 2017-02-22 |
| CN106441885B CN106441885B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611109382.7A Expired - Fee Related CN106441885B (en) | 2016-12-06 | 2016-12-06 | Speed variator gear shift mechanism fatigue endurance test system |
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Cited By (2)
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| CN108444690A (en) * | 2018-05-25 | 2018-08-24 | 陕西法士特齿轮有限责任公司 | A kind of endurance test rack for AMT shifting operating mechanisms |
| CN111751106A (en) * | 2020-07-03 | 2020-10-09 | 中国重汽集团大同齿轮有限公司 | Gear shifting actuator testing device for AMT (automated mechanical transmission) |
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|---|---|---|---|---|
| CN108444690A (en) * | 2018-05-25 | 2018-08-24 | 陕西法士特齿轮有限责任公司 | A kind of endurance test rack for AMT shifting operating mechanisms |
| CN108444690B (en) * | 2018-05-25 | 2024-05-14 | 陕西法士特齿轮有限责任公司 | A endurance test rack for AMT selects operating device that shifts |
| CN111751106A (en) * | 2020-07-03 | 2020-10-09 | 中国重汽集团大同齿轮有限公司 | Gear shifting actuator testing device for AMT (automated mechanical transmission) |
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| Publication number | Publication date |
|---|---|
| CN106441885B (en) | 2018-10-09 |
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Granted publication date: 20181009 Termination date: 20181206 |