CN207197812U - A kind of mechanical transmission contact (area) pattern testing stand - Google Patents

A kind of mechanical transmission contact (area) pattern testing stand Download PDF

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Publication number
CN207197812U
CN207197812U CN201721046987.6U CN201721046987U CN207197812U CN 207197812 U CN207197812 U CN 207197812U CN 201721046987 U CN201721046987 U CN 201721046987U CN 207197812 U CN207197812 U CN 207197812U
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CN
China
Prior art keywords
motor
speed changer
torque sensor
loading
area
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 - Fee Related
Application number
CN201721046987.6U
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Chinese (zh)
Inventor
郭栋
石晓辉
曾路荣
黎洪林
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Chongqing University of Technology
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Chongqing University of Technology
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Publication date
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Priority to CN201721046987.6U priority Critical patent/CN207197812U/en
Application granted granted Critical
Publication of CN207197812U publication Critical patent/CN207197812U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of mechanical transmission contact (area) pattern testing stand, it is characterised in that including speed changer to be tested, the input of the speed changer is provided with motor, reductor and the first torque sensor;The output end of the speed changer is provided with the second torque sensor, raising speed case, brake and loading motor;Also include being used to gather torque signal and carry out the control system of Loading Control, first torque sensor, the second torque sensor, motor, brake and loading motor are connected to the control system.The advantages that the utility model has reasonable in design, dependable performance, easy to operate, applied widely, and testing result is accurate.

Description

A kind of mechanical transmission contact (area) pattern testing stand
Technical field
Speed changer detection technique field is the utility model is related to, is tried in particular to a kind of mechanical transmission contact (area) pattern Test platform.
Background technology
Gear, due to its stable drive, reliable operation and the every field for being widely used in modern industry, especially automobile Industry, gear are more widely applied, and such as automotive transmission, more be unable to do without gear, therefore, the quality of the quality of gear, are closed The quality quality of automobile.And one of contact (area) pattern, the important evaluation criterion as gear quality, its detection are completely important.
Noise during operating of the face quality of gear on gear has direct influence, after tooth engagement, face Normally, running noise is small;Face is abnormal, and gear operation noise is big.Evaluate Gear Contact noise and quality, be exactly with Gear the contact (area) pattern of certain loading conditions dedendum flank quality as judgment criteria.In order to evaluate the quality of gear, improve Noise during gear operation, particularly improve transmission noise, therefore need to develop a contact (area) pattern detection for speed changer Testing equipment.
Present speed changer contact (area) pattern testing equipment existing on the market, due to being added using brake or dynamometer machine Carry, often moment of torsion control precision is not also high, can not carry out rotating loading, for example, notification number is CN201611140100's Patent of invention, " a kind of speed changer contact (area) pattern bench frame apparatus " is disclosed, it uses brake to be loaded, can only be by a drive Dynamic motor driving rotation, therefore only a kind of load mode, it is impossible to the rotating load test that power is provided by loading end is done, and And the precision of the moment of torsion of brake offer is relatively low, therefore real working condition of the speed changer on real vehicle can not be simulated completely.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is:How a kind of knot is provided Structure is reasonable in design, dependable performance, easy to operate, the accurate mechanical transmission contact (area) pattern testing stand of testing result.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme:
A kind of mechanical transmission contact (area) pattern testing stand, it is characterised in that including speed changer to be tested, the speed change The input of device is provided with motor, reductor and the first torque sensor;The output end of the speed changer is provided with second Torque sensor, raising speed case, brake and loading motor;
The output shaft of the motor is coaxially connected on the input shaft of the reductor;First torque sensor One end it is coaxially connected on the output shaft of the reductor, the input shaft of the other end and the speed changer is coaxially connected;
One end of output shaft second torque sensor of the speed changer;Second torque sensing The other end of device is connected with the raising speed case, brake and loading motor in turn;
Also include being used to gather torque signal and carry out the control system of Loading Control, first torque sensor, the Two torque sensors, motor, brake and loading motor are connected to the control system.
Using said structure, brake and loading motor are set by the output end in speed changer to be tested simultaneously, can To realize a variety of load modes, such as, loading motor does not provide moment of torsion, and only brake is loaded;Or brake not work Make, moment of torsion is provided by loading motor, realized respectively with this with a variety of different load modes such as load startup and rotating, so as to To meet different experiment demands, the scope of application of test-bed is greatly increased.Said apparatus it is reasonable in design, performance can Lean on, easy to operate, the scope of application is wider.
Further, the motor and loading motor are phase asynchronous either-rotation motor.
In this manner it is achieved that towing ahead, the anti-experiment of the various operating modes such as dragging, rotate and reverse, are advantageous to expanding test project.
Further, the control system includes frequency converter, and the motor and loading motor are respectively connecting to described Frequency converter.
So, VFC can be carried out to motor and loading motor, be advantageous to improve torque responsive speed and The precision of moment of torsion control, be advantageous to improve the precision of result of the test.
Further, the output end of the speed changer also has differential mechanism, and one end fixation of the differential mechanism is locked, another Hold second torque sensor.
In this manner it is achieved that single semiaxis load test, is advantageous to expanding test project.
In summary, the utility model has reasonable in design, dependable performance, easy to operate, applied widely, detection As a result the advantages that accurate.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
With reference to embodiment, the utility model is described in further detail.
During specific implementation:As shown in figure 1, a kind of mechanical transmission contact (area) pattern testing stand, including speed change to be tested Device 1, the input of the speed changer 1 are provided with motor 2, the torque sensor 4 of reductor 3 and first;The speed changer 1 Output end is provided with the second torque sensor 5, raising speed case 6, brake 7 and loading motor 8;
The output shaft of the motor 2 is coaxially connected on the input shaft of the reductor 3;First torque sensing One end of device 4 is coaxially connected on the output shaft of the reductor, and the input shaft of the other end and the speed changer 1 is coaxially connected;
One end of output shaft second torque sensor 5 of the speed changer 1;Second moment of torsion passes The other end of sensor 5 is connected with the raising speed case 6, brake 7 and loading motor 8 in turn;
Also include being used to gather torque signal and carry out the control system 9 of Loading Control, first torque sensor 4, Second torque sensor 5, motor 2, brake 7 and loading motor 8 are connected to the control system 9.
Using said structure, brake and loading motor are set by the output end in speed changer to be tested simultaneously, can To realize a variety of load modes, such as, loading motor does not provide moment of torsion, and only brake is loaded;Or brake not work Make, moment of torsion is provided by loading motor, realized respectively with this with a variety of different load modes such as load startup and rotating, so as to To meet different experiment demands, the scope of application of test-bed is greatly increased.Said apparatus it is reasonable in design, performance can Lean on, easy to operate, the scope of application is wider.
During implementation, the motor 2 and loading motor 8 are phase asynchronous either-rotation motor.
In this manner it is achieved that towing ahead, the anti-experiment of the various operating modes such as dragging, rotate and reverse, are advantageous to expanding test project.
During implementation, the control system 9 includes frequency converter, and the motor 2 and loading motor 8 are respectively connecting to described Frequency converter.
So, VFC can be carried out to motor and loading motor, be advantageous to improve torque responsive speed and The precision of moment of torsion control, be advantageous to improve the precision of result of the test.
During implementation, the output end of the speed changer 1 also has differential mechanism, and one end fixation of the differential mechanism is locked, another Hold second torque sensor 5.
In this manner it is achieved that single semiaxis load test, is advantageous to expanding test project.
It is as follows using the specific test procedure of this testing stand:
First, prepare before experiment
Prepare one and possess drive shift and the speed changer one of reverse gear function, speed changer should at least include tooth axle, difference The parts such as fast device, bearing, synchronizer, shift fork, the part and assembly of other influences system stiffness are also required to install, and to system The unconverted part of rigidity or part are without installation.
Speed changer is completed into the break-in of each gear and empties automatic transmission fluid.
Will carry out uniformly spraying impression coating on the gear pair flank of tooth of contact (area) pattern detection, thickness in 0.002mm extremely Between 0.012mm, and the standing for carrying out certain time parches.
Speed changer is horizontally mounted on stand, is fixed after positioning.
The input shaft of speed changer is connected with stand drive end rotary speed torque sensor by power transmission shaft, the output of speed changer End one side is connected with stand loading end rotary speed torque sensor by power transmission shaft, and differential mechanism output end another side is welded, and makes change Fast device realizes single semiaxis loading.
2nd, specific experiment step process is as follows:
1st, tested speed changer 1 is suspended to corresponding gear, starts stand, if doing rotating experiment and starting examination without carrying When testing, load mode is switched to scheme one, provides moment of torsion by loading motor 8, brake 7 passes through PC control systems 9 without moment of torsion Control the moment of torsion of motor 2 and loading motor 8.
2nd, the rotating speed of the input of speed changer 1 is controlled by PC control systems 9, it is controlled in 2 ~ 25r/min, what stand allowed In the case of, rotating speed is more low better.
3rd, increase drive end and loading end moment of torsion, reach desired value, drive end rotary speed torque sensor 4 and loading end Rotary speed torque sensor 6 detects the driving in real time of speed changer 1 and loading moment of torsion, and feeds back to PC control systems 9, control system root Adjusted in real time according to the desired value of setting, stand moment of torsion is reached test requirements document.
4th, after reaching target torque and stablizing 3 ~ 5s, experiment is proceeded by, gear wheel is total at the trial in testing gears pair Rotating cycle control is between 20 ~ 25 circles.
5th, whole test is needed according to being tested under incremental load, and contact (area) pattern survey is carried out successively from small moment of torsion to high pulling torque Examination, and record result.
6th, being incremented by load in above-mentioned steps can give according to following table mode:
7th, gear driven face spot is surveyed for choosing, is generally carried out if need to test under 50Nm states.
8th, shut down motor 2 and loading motor 8 after the completion of testing, and whole stand is out of service.
9th, the housing of lower speed changer 1 is dismantled, carries out the measurement record of experimental result on request.
When the 10th, doing with the contact (area) pattern experiment started is carried, the control mode of scheme 2 is switched to, produces the braking of brake 7 Moment of torsion, loading motor 8 do not produce moment of torsion and then are powered by PC control systems 9 to motor 2, stand is started running.
11st, after rotating speed moment of torsion reaches requirement and after stablizing 3 ~ 5s, experiment is proceeded by, gear wheel is total in testing gears pair Rotating cycle control is between 20 ~ 25 circles.
12nd, shut down motor 2 and brake 7 after the completion of testing, and whole stand is out of service.
13rd, the housing of lower speed changer 1 is dismantled, carries out the measurement record of experimental result as requested.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not using the utility model as limitation All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (4)

1. a kind of mechanical transmission contact (area) pattern testing stand, it is characterised in that including speed changer to be tested(1), the change Fast device(1)Input be provided with motor(2), reductor(3)With the first torque sensor(4);The speed changer(1)'s Output end is provided with the second torque sensor(5), raising speed case(6), brake(7)And loading motor(8);
The motor(2)Output shaft it is coaxially connected in the reductor(3)Input shaft on;First torque sensing Device(4)One end it is coaxially connected on the output shaft of the reductor, the other end and the speed changer(1)Input shaft coaxially connect Connect;
The speed changer(1)Output shaft second torque sensor(5)One end;Second moment of torsion passes Sensor(5)The other end be connected with the raising speed case in turn(6), brake(7)And loading motor(8);
Also include being used to gather torque signal and carry out the control system of Loading Control(9), first torque sensor(4)、 Second torque sensor(5), motor(2), brake(7)And loading motor(8)It is connected to the control system (9).
2. mechanical transmission contact (area) pattern testing stand as claimed in claim 1, it is characterised in that the motor(2) And loading motor(8)It is phase asynchronous either-rotation motor.
3. mechanical transmission contact (area) pattern testing stand as claimed in claim 1, it is characterised in that the control system(9) Including frequency converter, the motor(2)And loading motor(8)It is respectively connecting to the frequency converter.
4. mechanical transmission contact (area) pattern testing stand as claimed in claim 1, it is characterised in that the speed changer(1)'s Output end also has differential mechanism, and locked, the other end second torque sensing is fixed in one end of the differential mechanism Device(5).
CN201721046987.6U 2017-08-21 2017-08-21 A kind of mechanical transmission contact (area) pattern testing stand Expired - Fee Related CN207197812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721046987.6U CN207197812U (en) 2017-08-21 2017-08-21 A kind of mechanical transmission contact (area) pattern testing stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721046987.6U CN207197812U (en) 2017-08-21 2017-08-21 A kind of mechanical transmission contact (area) pattern testing stand

Publications (1)

Publication Number Publication Date
CN207197812U true CN207197812U (en) 2018-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721046987.6U Expired - Fee Related CN207197812U (en) 2017-08-21 2017-08-21 A kind of mechanical transmission contact (area) pattern testing stand

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855779A (en) * 2018-12-20 2019-06-07 佛山市罗斯特传动设备有限公司 A kind of planetary reducer Torque Measuring System and test method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109855779A (en) * 2018-12-20 2019-06-07 佛山市罗斯特传动设备有限公司 A kind of planetary reducer Torque Measuring System and test method

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

Granted publication date: 20180406

Termination date: 20180821

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