CN106768934A - Speed variator gear shift mechanism performance measurement pilot system - Google Patents
Speed variator gear shift mechanism performance measurement pilot system Download PDFInfo
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- CN106768934A CN106768934A CN201611109972.XA CN201611109972A CN106768934A CN 106768934 A CN106768934 A CN 106768934A CN 201611109972 A CN201611109972 A CN 201611109972A CN 106768934 A CN106768934 A CN 106768934A
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- gear shift
- shift mechanism
- gearshift
- block selecting
- measured
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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
Abstract
The invention discloses a kind of speed variator gear shift mechanism performance measurement pilot system, it is characterized in that, base including measuring test-bed, the mounting bracket for fixedly mounting gear shift mechanism to be measured, and the block selecting operating mechanism for operating the block selecting arm of gear shift mechanism to rotate and the Gear shift operation mechanism for operating the gear arm of gear shift mechanism to rotate are provided with the base；Also include being used for referring to that the gearshift being engaged refers to deck with the gearshift of gear shift mechanism to be measured, the gearshift refers to and is provided with the third angle displacement transducer for measuring corner and the displacement transducer for measuring the axial displacement that the gearshift refers on deck.The present invention has can be detected to parameters such as shifting power, the displacements of gear shift mechanism, improve the efficiency and accuracy detected to gear shift mechanism in production, and the uniformity of accuracy of detection preferably, is conducive to improving the performance of the product that dispatches from the factory.
Description
Technical field
The present invention relates to car test techniqes field, more particularly to the gear shift mechanism assembly property measurement examination in speed changer
Check system, specifically, is related to the block selecting power of the block selecting arm of speed variator gear shift mechanism and block selecting displacement, the gear shifting force of gear arm
The system for referring to stroke and corner, shifter of transmission performance measurement and its evaluation with gearshift displacement, gearshift.Belong to detection dress
Put technical field.
Background technology
Speed variator gear shift mechanism is the important component of automotive transmission, it be the most important parts in speed changer inside it
One, power and torque are delivered to gear shift mechanism by the shifting of selector by flexible axle, and gear shift mechanism is special using self structure
Property, the power and torque of flexible axle transmission of shifting gears are reacted on gearshift refers to, gearshift is referred to and is transmitted torque to again by rotation and movement
On shifting shaft, drive shift fork to remake and use synchronizer, complete the action of gearshift.Gear shift mechanism is used as in transmission power and torque
Between key components and parts, the influence that the structural parameters of its own change to shifting performance is especially prominent, and its quality is directly affected
To the traveling of automobile, if underproof gear shift mechanism is installed on automobile, running car is largely have impact on
Security；Structure design is unreasonable, can reduce gearshift rigidity, the impression of influence driver's operation；Gap crosses conference and causes choosing
Shifting stroke increase in shift process；It is therefore necessary to detect substandard product in gear shift mechanism production process, pass through
The design parameter or design structure of detection data optimization gear selecting gearshift.
Due to without good automatic detection system, mainly manually using fixture and cubing in existing production process
To be detected, because the factor such as technical ability of workman is it cannot be guaranteed that the substandard products in production process can be detected, accuracy of detection
Uniformity it is poor product can be caused uneven, from cannot differentiate whether interiors of products part has missing in appearance, and not
Can show that effective data are compared with design standard, the related measurement data that traditional manual detection method is obtained relatively is led
See, cannot also carry out qualitative and quantitative evaluation to the performance of gear shift mechanism, thus it is necessary design it is a dedicated for
Detect the measurement pilot system of speed variator gear shift mechanism performance.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How to provide one kind can be right
The parameters such as shifting power, the displacement of gear shift mechanism are detected, improve in production to the efficiency of gear shift mechanism detection and
Accuracy, the preferable speed variator gear shift mechanism performance measurement pilot system of uniformity of accuracy of detection.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of speed variator gear shift mechanism performance measurement pilot system, it is characterised in that the base including measuring test-bed, it is described
The mounting bracket for fixedly mounting gear shift mechanism to be measured is provided with base, and for operating the block selecting of gear shift mechanism
The block selecting operating mechanism and the Gear shift operation mechanism for operating the gear arm of gear shift mechanism to rotate of arm rotation；Also include being used for
Refer to that the gearshift being engaged refers to deck with the gearshift of gear shift mechanism to be measured, the gearshift refers to and be provided with deck for measurement turn
The third angle displacement transducer at angle and the displacement transducer for measuring the axial displacement shifted gears and refer to；
The block selecting operating mechanism include for output torque first driving means, the axis of the first driving means with treat
The rotation axis for measuring the block selecting arm of gear shift mechanism is parallel；Connect setting is useful on the output shaft of the first driving means
In the first torque sensor of measurement output torque, it is provided with for measuring corner on the output shaft of first torque sensor
The first angular displacement sensor, block selecting swing rod, the choosing are vertically installed with the output shaft end of first torque sensor
The other end for keeping off swing rod is provided with the block selecting sleeve being engaged for the bulb on the block selecting arm with gear shift mechanism to be measured；
The Gear shift operation mechanism include for output torque the second drive device, the axis of second drive device with treat
The rotation axis for measuring the gear arm of gear shift mechanism is parallel；Connect setting is useful on the output shaft of second drive device
In the second torque sensor of measurement output torque, it is provided with for measuring corner on the output shaft of second torque sensor
The second angular displacement sensor, gearshift swing rod is vertically installed with the output shaft end of second torque sensor, it is described to change
The other end of gear swing rod is provided with the gearshift sleeve for being engaged with the bulb on the gear arm of gear shift mechanism to be measured；
The third angle displacement transducer, displacement transducer, the first torque sensor, the first angular displacement sensor, the second torque
Sensor and the second angular displacement sensor are connected to computer by data acquisition unit；The computer is by controller point
The first driving means and the second drive device are not connected and controlled.
Using said structure, can be in order to gear shift mechanism to be measured be arranged on mounting bracket, then computer passes through
Controller control first driving means are rotated, and drive the block selecting swing rod rotation on the output shaft end of the first torque sensor, are driven
The block selecting arm rotation of dynamic gear shift mechanism, makes the shifting axle of gear shift mechanism in axial direction move, meanwhile, data acquisition unit
Respectively to the defeated of the first driving means detected by the first torque sensor, the first angular displacement sensor and displacement transducer
Go out torque, corner and the displacement for referring to of shifting gears is acquired, and be sent in computer, complete the block selecting to gear shift mechanism
The test of energy.Computer controls the second drive device to rotate by controller, drives the output shaft end of the second torque sensor
On gearshift swing rod rotation, drive gear shift mechanism gear arm rotate, rotate about the axis the shifting axle of gear shift mechanism.
Meanwhile, data acquisition unit is examined to the second torque sensor, the second angular displacement sensor and the third angle displacement transducer respectively
The corner that the output torque of the second drive device for measuring, corner and gearshift refer to is acquired, and is sent in computer, complete
The test of the gearshift performance of paired gear shift mechanism.Pass through shifting power, position of the computer to gear shift mechanism in said system
The parameter such as move to be detected, it is to avoid because of the inconsistent of the height of craftsmanship and subjective judgement to result in manual detection
The influence for causing, causes properties of product uneven, is conducive to improving the accuracy also detection efficiency for detecting, the one of accuracy of detection
Cause property is higher, is conducive to improving the performance of the product that dispatches from the factory.
Used as optimization, the mounting bracket includes horizontally disposed installing plate, has on the installing plate and is available for choosing to be measured
Mounting hole and the alignment pin for being engaged with the alignment pin on gear shift mechanism to be measured that one end of gearshift passes through
Hole；Also include the pressing plate for gear shift mechanism to be measured being fitted on the installing plate.
Using said structure, it is only necessary to by gear shift mechanism to be measured through the mounting hole on installing plate, then change choosing
In detent fit insertion dowel hole on retaining device, gear shift mechanism is pressed on a mounting board with pressing plate, you can complete
The assembling of gear shift mechanism, above-mentioned assembling process is simple, convenient disassembly, is conducive to improving the detection efficiency of gear shift mechanism.
Used as optimization, the block selecting operating mechanism and the Gear shift operation mechanism are arranged on by linear moving apparatus respectively
On the base, the linear moving apparatus are used to drive the block selecting operating mechanism or the Gear shift operation mechanism along axis side
To movement.
Using said structure, using linear moving apparatus, can be by block selecting operating mechanism or Gear shift operation mechanism rapidly
Moved along own axes.So, after detection terminates, block selecting operating mechanism or Gear shift operation mechanism are changed along away from choosing to be measured
Retaining device direction is moved, and can provide bigger with the gear shift mechanism for more renewing for the dismounting of the gear shift mechanism for having detected
Operating space, facilitates the dismounting of gear shift mechanism, is conducive to improving the detection efficiency of gear shift mechanism.
Used as optimization, the linear moving apparatus include guide rail and the slide unit on the guide rail, also including use
In the drive device for driving the slide unit to be moved along the guide rail；The block selecting operating mechanism or the Gear shift operation mechanism are installed
On the slide unit, the drive end of the drive device is connected to the controller.
Said structure is simple, and manufacturing cost is relatively low, is easy to maintenance and installs.
Used as optimization, the drive device includes cylinder and the cylinder controller for controlling gas circuit, the cylinder control
Device processed is connected to the controller.
Used as optimization, the third angle displacement transducer, the first angular displacement sensor and the second angular displacement sensor are equal
It is hollow shaft rotary encoder；Institute's displacement sensors are non-contact displacement transducer.
Used as optimization, the first driving means and the second drive device are servomotor.
In sum, the invention has the advantages that：
1st, the structure of the system is relatively simple, and installation and debugging are convenient, and refers to that the gearshift being engaged refers to deck with real with gearshift
Cooperation on car is consistent, ensures that the accuracy and feasibility of the system.
2nd, the system is utilized with the rigidly connected the third angle displacement transducer of gear shift mechanism and displacement transducer to gearshift
The corner and axial displacement of finger detected, influence of remaining parts to testing result in the system is eliminated, so as to obtain
The performance detection data of more accurate gear shift mechanism.
3rd, the pilot system is controlled by computer to first driving means and the second drive device so that selected, changed
Interstage sleeve cylinder is consistent to choosing, operating method of the operation of gear arm with driver on automobile, between being easy to implement different gears
The simulation of gear shift mechanism action.
4th, the system uses computer semiautomatic control detection process, in detection process, it is only necessary to which general workman is to choosing
The clamping of gearshift, positioning, dismounting, greatly improve detection efficiency.
5th, the system is analyzed by computer to the measurement data of each gear shift mechanism, can accurately draw choosing
Whether gearshift is qualified products, and make corresponding evaluation, it is to avoid in manual detection because craftsmanship height with
And subjective judgement inconsistent and influence that caused to result, cause properties of product uneven, be conducive to improving the standard for detecting
True property also detection efficiency, the uniformity of accuracy of detection is higher, is conducive to improving the performance of the product that dispatches from the factory.
Brief description of the drawings
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 refers to the structural representation of part to be shifted gears in Fig. 1.
Fig. 4 is the schematic diagram of Fig. 1 Computers control section.
Fig. 5 is a kind of overhaul flow chart of speed variator gear shift mechanism performance measurement test method.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
During specific implementation：As shown in Figure 1 to 4, a kind of speed variator gear shift mechanism performance measurement pilot system, including survey
The base 1 of testing stand is measured, the mounting bracket 2, Yi Jiyong for fixedly mounting gear shift mechanism to be measured is provided with the base 1
In the block selecting operating mechanism 3 of the block selecting arm rotation of operation gear shift mechanism and for operating what the gear arm of gear shift mechanism rotated
Gear shift operation mechanism 4；Also include for referring to that the gearshift being engaged refers to deck 5 with the gearshift of gear shift mechanism to be measured, it is described to change
Gear refers to and the third angle displacement transducer 51 for measuring corner is provided with deck 5 and for measuring the axial direction shifted gears and refer to
The displacement transducer 52 of displacement；
The block selecting operating mechanism 3 includes the first driving means 31 for output torque, the axle of the first driving means 31
Line is parallel with the rotation axis of the block selecting arm of gear shift mechanism to be measured；Connected on the output shaft of the first driving means 31
The first torque sensor 32 for measuring output torque is provided with, is provided with the output shaft of first torque sensor 32
The first angular displacement sensor 33 for measuring corner, is vertically installed with the output shaft end of first torque sensor 32
Block selecting swing rod 34, the other end of the block selecting swing rod 34 is provided with for the bulb on the block selecting arm with gear shift mechanism to be measured
The block selecting sleeve 35 being engaged；
The Gear shift operation mechanism 4 includes the second drive device 41 for output torque, the axle of second drive device 41
Line is parallel with the rotation axis of the gear arm of gear shift mechanism to be measured；Connected on the output shaft of second drive device 41
The second torque sensor 42 for measuring output torque is provided with, is provided with the output shaft of second torque sensor 42
The second angular displacement sensor 43 for measuring corner, is vertically installed with the output shaft end of second torque sensor 42
Gearshift swing rod 44, it is described gearshift swing rod 44 the other end be provided with for the gear arm of gear shift mechanism to be measured on bulb
The gearshift sleeve 45 being engaged；
The third angle displacement transducer 51, displacement transducer 52, the first torque sensor 32, the first angular displacement sensor 33,
Second torque sensor 42 and the second angular displacement sensor 43 are connected to computer 7 by data acquisition unit 6；The calculating
Machine 7 is connected and controls the drive device 41 of the first driving means 31 and second respectively by controller 8.
Using said structure, can be in order to gear shift mechanism to be measured be arranged on mounting bracket, then computer passes through
Controller control first driving means are rotated, and drive the block selecting swing rod rotation on the output shaft end of the first torque sensor, are driven
The block selecting arm rotation of dynamic gear shift mechanism, makes the shifting axle of gear shift mechanism in axial direction move, meanwhile, data acquisition unit
Respectively to the defeated of the first driving means detected by the first torque sensor, the first angular displacement sensor and displacement transducer
Go out torque, corner and the displacement for referring to of shifting gears is acquired, and be sent in computer, complete the block selecting to gear shift mechanism
The test of energy.Computer controls the second drive device to rotate by controller, drives the output shaft end of the second torque sensor
On gearshift swing rod rotation, drive gear shift mechanism gear arm rotate, rotate about the axis the shifting axle of gear shift mechanism.
Meanwhile, data acquisition unit is examined to the second torque sensor, the second angular displacement sensor and the third angle displacement transducer respectively
The corner that the output torque of the second drive device for measuring, corner and gearshift refer to is acquired, and is sent in computer, complete
The test of the gearshift performance of paired gear shift mechanism.Pass through shifting power, position of the computer to gear shift mechanism in said system
The parameter such as move to be detected, it is to avoid because of the inconsistent of the height of craftsmanship and subjective judgement to result in manual detection
The influence for causing, causes properties of product uneven, is conducive to improving the accuracy also detection efficiency for detecting, the one of accuracy of detection
Cause property is higher, is conducive to improving the performance of the product that dispatches from the factory.
During implementation, the mounting bracket 2 includes horizontally disposed installing plate, has on the installing plate and is available for choosing to be measured to change
Mounting hole and the dowel hole for being engaged with the alignment pin on gear shift mechanism to be measured that one end of retaining device passes through；
Also include the pressing plate for gear shift mechanism to be measured being fitted on the installing plate.
Using said structure, it is only necessary to by gear shift mechanism to be measured through the mounting hole on installing plate, then change choosing
In detent fit insertion dowel hole on retaining device, gear shift mechanism is pressed on a mounting board with pressing plate, you can complete
The assembling of gear shift mechanism, above-mentioned assembling process is simple, convenient disassembly, is conducive to improving the detection efficiency of gear shift mechanism.
During specific implementation, following structure can be used, pressing plate be bolted on a mounting board, pressing plate and installing plate it
Between or pressing plate and be provided with spring between the nut of pressing plate upper end.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, is dismounted quicker.
During implementation, the block selecting operating mechanism 3 and the Gear shift operation mechanism 4 are installed by linear moving apparatus 9 respectively
On the base 1, the linear moving apparatus 9 are used to drive the block selecting operating mechanism 3 or the edge of the Gear shift operation mechanism 4
Axis direction is moved.
Using said structure, using linear moving apparatus, can be by block selecting operating mechanism or Gear shift operation mechanism rapidly
Moved along own axes.So, after detection terminates, block selecting operating mechanism or Gear shift operation mechanism are changed along away from choosing to be measured
Retaining device direction is moved, and can provide bigger with the gear shift mechanism for more renewing for the dismounting of the gear shift mechanism for having detected
Operating space, facilitates the dismounting of gear shift mechanism, is conducive to improving the detection efficiency of gear shift mechanism.
During implementation, the linear moving apparatus 9 include guide rail 91 and the slide unit 92 on the guide rail 91, also wrap
Include the drive device 93 for driving the slide unit 92 to be moved along the guide rail 91；The block selecting operating mechanism 3 or the gearshift
Operating mechanism 4 is arranged on the slide unit 92, and the drive end of the drive device 93 is connected to the controller 8.
Said structure is simple, and manufacturing cost is relatively low, is easy to maintenance and installs.
During implementation, the drive device 93 includes cylinder and the cylinder controller for controlling gas circuit, the cylinder control
Device processed is connected to the controller 8.
During specific implementation, straight line can also be carried out to slide unit by screw-nut structure using servomotor or stepper motor
Drive, the precision of rectilinear movement can be improved.
During implementation, the third angle displacement transducer 51, the first angular displacement sensor 33 and the second angular displacement sensor
43 are hollow shaft rotary encoder；Institute's displacement sensors 52 are non-contact displacement transducer.
During implementation, the drive device 41 of the first driving means 31 and second is servomotor.
During specific implementation, block selecting operating mechanism and gear shift operation can also be adjusted according to the gear shift mechanism of different model
The dimensional parameters and installation site of each part in mechanism, make the block selecting sleeve of block selecting operating mechanism and the block selecting arm of gear shift mechanism
Cooperation, Gear shift operation mechanism gearshift sleeve and gear shift mechanism on the cooperation of the gear arm of gear shift mechanism and real vehicle phase
Close and coordinate consistent；Can also adjust gearshift refer to deck and gearshift refer between installations matching relationship and real vehicle on gearshift refer to and
Cooperation between shift fork is consistent.So, the result of detection can be made more accurate.
During specific measurement, as shown in figure 5, using following steps：Gear shift mechanism to be measured is first arranged on the installation
On frame 2, computer controls first driving means 31 to drive the first torque sensor 32 to rotate by controller 8, installed in first
Block selecting swing rod 34 on torque sensor 32 drives the block selecting arm of gear shift mechanism to be measured to rotate, and completes block selecting operation；It is described
The torque of the input that data acquisition unit 6 detects first torque sensor 32, first angular displacement sensor 33
The displacement that the gearshift that the corner and institute's displacement sensors 52 of the input for detecting are detected refers to is acquired and is input into meter
In calculation machine 7；Computer controls the second drive device 41 to drive the second torque sensor 42 to rotate by controller 8, installed in the
Gearshift swing rod 44 on two torque sensors 42 drives the gear arm of gear shift mechanism to be measured to rotate, and completes gear shift operation；Institute
State the torque of the input that data acquisition unit 6 detects second torque sensor 42, second angular displacement sensor
The axial displacement that the gearshift that the corner and the third angle displacement transducer 51 of 43 inputs for detecting are detected refers to is acquired
And be input into computer 7；Respectively be compared above-mentioned parameter with corresponding qualification parameters by computer 7, if qualified, should
The performance of gear shift mechanism is qualified；Otherwise, the performance of the gear shift mechanism is unqualified.
Presently preferred embodiments of the present invention is the foregoing is only, is not limitation with the present invention, it is all in essence of the 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 performance measurement pilot system, it is characterised in that the base including measuring test-bed
（1）, the base（1）On be provided with mounting bracket for fixedly mounting gear shift mechanism to be measured（2）, and selected for operating
The block selecting operating mechanism of the block selecting arm rotation of gearshift（3）Grasped with the gearshift for operating the gear arm of gear shift mechanism to rotate
Make mechanism（4）；Also include for referring to that the gearshift being engaged refers to deck with the gearshift of gear shift mechanism to be measured（5）, the gearshift
Refer to deck（5）On the third angle displacement transducer for measuring corner is installed（51）And for measuring the axle shifted gears and refer to
To the displacement transducer of displacement（52）；
The block selecting operating mechanism（3）Including the first driving means for output torque（31）, the first driving means
（31）Axis it is parallel with the rotation axis of the block selecting arm of gear shift mechanism to be measured；The first driving means（31）It is defeated
The first torque sensor for measuring output torque is connected with shaft（32）, first torque sensor（32）'s
The first angular displacement sensor for measuring corner is installed on output shaft（33）, first torque sensor（32）Output
Block selecting swing rod is vertically installed with shaft end（34）, the block selecting swing rod（34）The other end be provided with for it is to be measured choosing change
The block selecting sleeve that bulb on the block selecting arm of retaining device is engaged（35）；
The Gear shift operation mechanism（4）Including the second drive device for output torque（41）, second drive device
（41）Axis it is parallel with the rotation axis of the gear arm of gear shift mechanism to be measured；Second drive device（41）It is defeated
The second torque sensor for measuring output torque is connected with shaft（42）, second torque sensor（42）'s
The second angular displacement sensor for measuring corner is installed on output shaft（43）, second torque sensor（42）Output
Gearshift swing rod is vertically installed with shaft end（44）, the gearshift swing rod（44）The other end be provided with for it is to be measured choosing change
The gearshift sleeve that bulb on the gear arm of retaining device is engaged（45）；
The third angle displacement transducer（51）, displacement transducer（52）, the first torque sensor（32）, the first angle displacement transducer
Device（33）, the second torque sensor（42）And second angular displacement sensor（43）Pass through data acquisition unit（6）It is connected to meter
Calculation machine（7）；The computer（7）By controller（8）The first driving means are connected and controlled respectively（31）Driven with second
Dynamic device（41）.
2. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 1, it is characterised in that the mounting bracket
（2）There is the installation for being available for one end of gear shift mechanism to be measured to pass through including horizontally disposed installing plate, on the installing plate
Hole and the dowel hole for being engaged with the alignment pin on gear shift mechanism to be measured；Also include being used for changing choosing to be measured
Retaining device is fitted in the pressing plate on the installing plate.
3. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 1, it is characterised in that the block selecting behaviour
Make mechanism（3）With the Gear shift operation mechanism（4）Pass through linear moving apparatus respectively（9）Installed in the base（1）On, it is described
Linear moving apparatus（9）For driving the block selecting operating mechanism（3）Or the Gear shift operation mechanism（4）Move in the axial direction
It is dynamic.
4. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 3, it is characterised in that the straight line is moved
Dynamic device（9）Including guide rail（91）And installed in the guide rail（91）On slide unit（92）, also including for driving the cunning
Platform（92）Along the guide rail（91）Mobile drive device（93）；The block selecting operating mechanism（3）Or the Gear shift operation mechanism
（4）Installed in the slide unit（92）On, the drive device（93）Drive end be connected to the controller（8）.
5. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 4, it is characterised in that the driving dress
Put（93）Cylinder controller including cylinder and for controlling gas circuit, the cylinder controller is connected to the controller（8）.
6. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 1, it is characterised in that the third angle
Displacement transducer（51）, the first angular displacement sensor（33）And second angular displacement sensor（43）Hollow shaft rotation is to compile
Code device；Institute's displacement sensors（52）It is non-contact displacement transducer.
7. speed variator gear shift mechanism performance measurement pilot system as claimed in claim 1, it is characterised in that described first drives
Dynamic device（31）With the second drive device（41）It is servomotor.
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| CN201611109972.XA CN106768934B (en) | 2016-12-06 | 2016-12-06 | Speed variator gear shift mechanism performance measurement pilot system |
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| CN201611109972.XA CN106768934B (en) | 2016-12-06 | 2016-12-06 | Speed variator gear shift mechanism performance measurement pilot system |
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| CN106768934B CN106768934B (en) | 2018-10-09 |
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|---|---|---|---|---|
| CN110044640A (en) * | 2019-04-25 | 2019-07-23 | 北京航天发射技术研究所 | A kind of high-power machinery shift of transmission manipulation test macro and method |
| CN111537222A (en) * | 2020-05-08 | 2020-08-14 | 南京三创自动化科技有限公司 | Transmission control performance testing device and testing method |
| CN111795668A (en) * | 2020-06-24 | 2020-10-20 | 西安法士特汽车传动有限公司 | Gear selecting and shifting angle detection method and device for transmission |
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| CN106768934B (en) | 2018-10-09 |
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