CN2574035Y - Hydraulic mechanical drive device testing bench - Google Patents
Hydraulic mechanical drive device testing bench Download PDFInfo
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- CN2574035Y CN2574035Y CN 02257420 CN02257420U CN2574035Y CN 2574035 Y CN2574035 Y CN 2574035Y CN 02257420 CN02257420 CN 02257420 CN 02257420 U CN02257420 U CN 02257420U CN 2574035 Y CN2574035 Y CN 2574035Y
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Abstract
The utility model relates to a hydraulic mechanical drive device testing bench which relates to a testing device. The output terminal of an AC frequency changing speed regulating motor is connected with an input torque rotary speed sensor which is connected with a driving device of a torque converter, the input transmission shaft and the input bearing seat of which are connected with the input terminal of the tested hydraulic mechanical drive device. The output terminal of the tested hydraulic mechanical drive device is connected with an output torque rotary speed sensor by an output transmission shaft and an output bearing seat, and the output transmission shaft is provided with a gearshift. The output terminal of the output torque rotary speed sensor is connected with a speed raising box, the output terminal of which is connected with an electric eddy current dynamometer, the inner of the speed raising box is provided with a load tripping gear, and the output terminal of the speed raising box is provided with a brake. An oil path pipeline is provided with a temperature sensor, a pressure sensor and a flow sensor. The utility model is a testing device for a hydraulic mechanical drive device, which can test and record a plurality of performance parameters at the same time, and the automation control of the computer can be realized.
Description
Technical field:
The utility model relates to a kind of proving installation.Particularly a kind of hydromechanical transmission detects testing table.
Background technology:
Along with hydraulic transmission system is widely used in every field, the Performance Detection of hydraulic transmission system is even more important.Therefore, at first need when dispatching from the factory, the hydromechanical transmission finished product carry out comprehensive performance detection, to guarantee safe in utilization and dependable performance.At present, the project of the detection of hydromechanical transmission is few, operating difficulties, and the test duration is long, inefficiency, labor intensity of operating personnel is big.
Summary of the invention:
The utility model aims to provide a kind of hydromechanical transmission and detects testing table.Its test item is many, and is simple in structure, and handiness can realize that robotization detects.
Summary of the invention:
The utility model comprises base, ac variable frequency speed regulation motor, input torque speed probe, output torque rotary speed sensor, torque converter drive unit, electric eddy current dynamometer, raising speed case.Be provided with load trip gear and detent in the raising speed case.At oil line pipe? be provided with temperature sensor, pressure transducer, flow sensor.
Wherein, on base, the output terminal of ac variable frequency speed regulation motor and input torque speed probe link; Input torque speed probe and torque converter drive unit link; The torque converter drive unit links with input shaft and input shaft bearing and tested hydromechanical transmission input end; Tested hydromechanical transmission output terminal links with take-off (propeller) shaft and output shaft bearing with the output torque rotary speed sensor; On take-off (propeller) shaft, be provided with gearshift; The output terminal and the raising speed case of output torque rotary speed sensor link; The output terminal and the electric eddy current dynamometer of raising speed case link; Be provided with the load trip gear in the raising speed case; The output terminal of raising speed case is provided with detent.
It is a kind ofly to be driven by frequency control motor, has the load trip gear, is loaded by electric eddy current dynamometer, can detect and write down the pick-up unit of the hydromechanical transmission of several performance parameters simultaneously, and can realize computer controlled automatic.
1, when detecting speed-variable pump,, can test speed be set at first, press test button, wheel box is hung the N shelves, and motor begins with design speed starting running.Measure and write down the time that reaches pump pressure, be the performance that can speed-variable pump start in official hour.
2, when detecting no-load loss and noise, press test button, starter motor is to rotation speed n l=700r/min, and wheel box is put in first gear behind the record data, and motor speed is reduced to nl=700r/min automatically.Again wheel box is hung into second gear, reverse gear and neutral gear, order repeats said procedure.These record data are the break-in situation that empty load of motor loses the gear that is meshed with its expression of performance of noise, the noise when checking motor rotation, and vibration has or not situations such as external leakage.
3, when detecting F1 shelves zero-speed operating mode, press the button, engage the output flange of wheel box, raising speed case detent is held tightly, actuating motor when motor speed during to nl=700r/min, puts in first gear wheel box, after gear is confirmed, motor speed rises to 2200 (1500) r/min, after waiting to stablize, measures also record n
1, T
1, T
2, tl.These data can show the output torque of zero-speed operating mode F1 shelves wheel box.
4, when detecting load test running-in machine output torque, engage the wheel box flange, the ON cycle water pump, connect the electric eddy current dynamometer power supply, wheel box is hung neutral gear, and starter motor is to nl=1500r/min, stablize 10 seconds after, after motor speed reduced to nl=700r/min, wheel box and raising speed case are put in first gear simultaneously, measure t when dynamic, the gear pressure P
1Motor speed is risen to 1500r/min, and the electric eddy current dynamometer excitation is to wheel box output speed n
2=278 r/min, stablize 10 seconds after, write down each parameter, stop valve inflation then after the air pressure signal reaction, is measured shelves and is pressed a P1, kick-off valve air pressure again, motor speed is reduced to nl=700r/min then, repeats said procedure, carries out the test of second gear and R shelves.This detects the output torque of input torque and each retaining of wheel box of data representation torque converter.
The startup of above button can realize that robotization detects with the instruction control of computing machine.
In sum, a kind of hydromechanical transmission detects testing table.Its test item is many, and is simple in structure, and handiness can realize that robotization detects.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is electric and computer control principle figure of the present utility model.
Among the figure:
The 1-base, 2-ac variable frequency speed regulation motor, 3-input torque speed probe, 4-torque converter drive unit, 5-input shaft, 6-input shaft bearing, the tested hydromechanical transmission of 7-, 8-exports torque rotary speed sensor, 9-take-off (propeller) shaft, 10-output shaft bearing, 11-gearshift, 12-raising speed case, the 13-electric eddy current dynamometer, 14-load trip gear, 15-detent, the 16-temperature sensor, 17-pressure transducer, 18-flow sensor.
Embodiment:
Make critical piece of the present utility model adopt following parameter:
1, ac variable frequency speed regulation motor 1
Model QA315M-4P
Output power 132KW
Nominal torque 800Nm
Synchronous rotational speed 1500r/min
Permanent torque tuning range 10-50Hz
Permanent power tuning range 50-80Hz
2, electric eddy current dynamometer
Model GW250
Absorbed power 250KW
Specified absorption torque 1100Nm
Rotating speed 550-2170r/min under the nominal torque
The highest use rotating speed 5000r/min
Maximum field voltage DC100V
Maximum exciting current 5A
3, the raising speed case
The one-level gear drive
Speed ratio: I=0.3902
4, the input torque speed probe
Model JN 338-A
Sensing range 0-700Nm
5, the output torque rotary speed sensor
Model N 338-A
Sensing range 0-70000Nm
Use the utility model can to present China dark uh the hydraulic transmission system of ZL40 and ZL50 wheel loader detect, main test item is as follows:
1, the running-up test of speed-variable pump
2, input speed is the unloaded running-in test of each grade of 2000r/min
3, input speed is each grade no-load loss test of 2000r/min
4, it is each grade load test of 2000 (1500) r/min that rotating speed is gone in output
5, it is each grade stall working condition tests of 2000 (1500) r/min that rotating speed is gone in output
6, assembly internal leakage test
7, wheel box respectively keeps off leak test in the clutch coupling
8, the gearbox gear-shift process testing
9, the function test of stop valve
10, the Function detection of each oil pressure
In addition, can also carry out other ancillary test, as: the no-load loss test, gear shift pressure characteristic test etc. also can be tested the performance of torque converter simultaneously.
The test item that all are above can be finished within 30 minutes.
Because the utility model can be connected with computing machine, realize control automatically.
In sum, the utility model is that a kind of hydromechanical transmission detects testing table.Its test item is many, and is simple in structure, handiness, and can realize computer controlled automatic.
Claims (1)
1, a kind of hydromechanical transmission detects testing table; It is characterized in that it comprises base, ac variable frequency speed regulation motor, input torque speed probe, output torque rotary speed sensor, torque converter drive unit, electric eddy current dynamometer, raising speed case; Be provided with load trip gear and detent in the raising speed case; On oil line pipe, be provided with temperature sensor, pressure transducer, flow sensor;
Wherein, on base, the output terminal of ac variable frequency speed regulation motor and input torque speed probe link; Input torque speed probe and torque converter drive unit link; The torque converter drive unit links with input shaft and input shaft bearing and tested hydromechanical transmission input end; Tested hydromechanical transmission output terminal links with take-off (propeller) shaft and output shaft bearing with the output torque rotary speed sensor; On take-off (propeller) shaft, be provided with gearshift; The output terminal and the raising speed case of output torque rotary speed sensor link; The output terminal and the electric eddy current dynamometer of raising speed case link; Be provided with the load trip gear in the raising speed case; The output terminal of raising speed case is provided with detent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257420 CN2574035Y (en) | 2002-09-25 | 2002-09-25 | Hydraulic mechanical drive device testing bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257420 CN2574035Y (en) | 2002-09-25 | 2002-09-25 | Hydraulic mechanical drive device testing bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574035Y true CN2574035Y (en) | 2003-09-17 |
Family
ID=33725378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257420 Expired - Fee Related CN2574035Y (en) | 2002-09-25 | 2002-09-25 | Hydraulic mechanical drive device testing bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574035Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350232C (en) * | 2004-11-11 | 2007-11-21 | 上海汽车股份有限公司 | Control system for gear shifting test bench of sedan transmission |
| CN100394158C (en) * | 2004-12-28 | 2008-06-11 | 浙江工业大学 | Test-bed for slowing speed unit of current vortex |
| CN102175435A (en) * | 2010-12-16 | 2011-09-07 | 蚌埠市华泰液力变矩器有限公司 | Test-bed for hydraulic torque converter |
| CN102338698A (en) * | 2010-07-29 | 2012-02-01 | 中国北车集团大连机车研究所有限公司 | Test stand for torque converter transmission case and detection control device thereof |
| CN101520367B (en) * | 2008-02-29 | 2012-02-22 | 株式会社鹭宫制作所 | Torque load test apparatus |
| CN102688892A (en) * | 2012-02-16 | 2012-09-26 | 马钢(集团)控股有限公司 | On-line monitoring method for state of safety pin of rolling mill transmission mechanism |
| CN103115768A (en) * | 2011-11-16 | 2013-05-22 | 中国北方车辆研究所 | High-power transmission device tilt road condition experiment simulation system |
| CN103115769A (en) * | 2011-11-16 | 2013-05-22 | 中国北方车辆研究所 | Large load mechanical power flexible transmission device |
| CN104458246A (en) * | 2014-11-06 | 2015-03-25 | 江苏大学 | Liquid magnetism coherence and power transmission characteristic study testing device of magnetic drive pump |
| CN105738103A (en) * | 2016-02-26 | 2016-07-06 | 重庆大学 | Development test platform for drum type coal mining machine advanced cutting transmission system |
| CN109780159A (en) * | 2018-11-14 | 2019-05-21 | 湖南中特液力传动机械有限公司 | A kind of intelligence fills type fluid-flywheel clutch surely |
-
2002
- 2002-09-25 CN CN 02257420 patent/CN2574035Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350232C (en) * | 2004-11-11 | 2007-11-21 | 上海汽车股份有限公司 | Control system for gear shifting test bench of sedan transmission |
| CN100394158C (en) * | 2004-12-28 | 2008-06-11 | 浙江工业大学 | Test-bed for slowing speed unit of current vortex |
| CN101520367B (en) * | 2008-02-29 | 2012-02-22 | 株式会社鹭宫制作所 | Torque load test apparatus |
| CN102338698B (en) * | 2010-07-29 | 2013-09-04 | 中国北车集团大连机车研究所有限公司 | Test stand for torque converter transmission case and detection control device thereof |
| CN102338698A (en) * | 2010-07-29 | 2012-02-01 | 中国北车集团大连机车研究所有限公司 | Test stand for torque converter transmission case and detection control device thereof |
| CN102175435A (en) * | 2010-12-16 | 2011-09-07 | 蚌埠市华泰液力变矩器有限公司 | Test-bed for hydraulic torque converter |
| CN103115768B (en) * | 2011-11-16 | 2015-07-01 | 中国北方车辆研究所 | High-power transmission device tilt road condition experiment simulation system |
| CN103115768A (en) * | 2011-11-16 | 2013-05-22 | 中国北方车辆研究所 | High-power transmission device tilt road condition experiment simulation system |
| CN103115769A (en) * | 2011-11-16 | 2013-05-22 | 中国北方车辆研究所 | Large load mechanical power flexible transmission device |
| CN103115769B (en) * | 2011-11-16 | 2015-06-17 | 中国北方车辆研究所 | Large load mechanical power flexible transmission device |
| CN102688892A (en) * | 2012-02-16 | 2012-09-26 | 马钢(集团)控股有限公司 | On-line monitoring method for state of safety pin of rolling mill transmission mechanism |
| CN102688892B (en) * | 2012-02-16 | 2014-12-10 | 马钢(集团)控股有限公司 | On-line monitoring method for state of safety pin of rolling mill transmission mechanism |
| CN104458246A (en) * | 2014-11-06 | 2015-03-25 | 江苏大学 | Liquid magnetism coherence and power transmission characteristic study testing device of magnetic drive pump |
| CN104458246B (en) * | 2014-11-06 | 2017-04-05 | 江苏大学 | Magnetic force pump liquid magnetic is concerned with and power transmission characteristic research assay device |
| CN105738103A (en) * | 2016-02-26 | 2016-07-06 | 重庆大学 | Development test platform for drum type coal mining machine advanced cutting transmission system |
| CN109780159A (en) * | 2018-11-14 | 2019-05-21 | 湖南中特液力传动机械有限公司 | A kind of intelligence fills type fluid-flywheel clutch surely |
| CN109780159B (en) * | 2018-11-14 | 2023-12-29 | 湖南中特液力传动机械有限公司 | Intelligent fixed-charging type hydraulic coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |