CN105510030A - Engineering machinery gearbox inclining test system and test method thereof - Google Patents
Engineering machinery gearbox inclining test system and test method thereof Download PDFInfo
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- CN105510030A CN105510030A CN201610046675.9A CN201610046675A CN105510030A CN 105510030 A CN105510030 A CN 105510030A CN 201610046675 A CN201610046675 A CN 201610046675A CN 105510030 A CN105510030 A CN 105510030A
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- testing table
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- wheel box
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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
Abstract
The invention discloses an engineering machinery gearbox inclining test system and a test method thereof. The system comprises a test table and a test unit installed on the board of the test table. The system further comprises a control unit, a test table supporting body and a test table inclination drive unit. The lower end of the test table is connected to the top end of the test table supporting body in a rotating mode. The test table inclination drive unit comprises one or more hydraulic drive mechanisms. The top ends of drive parts of the hydraulic drive mechanisms are connected with the test table. The control unit controls the hydraulic drive mechanisms to operate to drive the test table to rotate on the test table supporting body, and therefore the board of the test table is inclined. A conventional line-shaped test table is structurally improved, and the test table can incline according to needs in the gearbox testing process, so that actual working conditions such as climbing and side swaying are simulated, and multi-angle and multi-state inclination state performance tests of the gearbox and reliability rests under the inclination state are achieved.
Description
Technical field
The present invention relates to construction machinery gear box inclining experiment technical field, particularly a kind of construction machinery gear box inclining experiment system and test method thereof.
Background technology
Engineering machinery is as the construction machinery of engineering machinery field, and its command module is the more severe mine, building ground etc. of environment, and the complex working conditions such as climbing, inclination are more, and working time under complex working condition is longer.Wheel box is as the kernel component of engineering machinery, and its major function realizes vehicle in the work of different gear and walking, high pulling torque when comprising low speed export and high speed time high speed walking.When wheel box is assemblied in overall engineering machine, in order to can normally work under the complex work such as climbing, inclination, need to simulate actual condition when Development and Trial and wheel box is made a service test and Reliability Check.
At present, national standard and construction machinery industry standard all adopt static state " one " the font testing table of standard for the performance of wheel box and fatigue endurance test, just simply carry out the envelope test of some routines, and more can not paste actual condition, the particular product performance parameters of reacting duty more really and fatigue lifetime, conventional test state only reacts the Performance And Reliability of wheel box to a certain extent, and its envelope test result can not completely as the performance in real work and life-span foundation.
Summary of the invention
The technical problem to be solved in the present invention is: carry out structure improvement to conventional " one " font testing table, can tilt as required in wheel box test, to simulate the actual conditions such as climbing, inclination, realize the fail-test of wheel box being carried out under the multi-mode heeling condition performance test of multi-angle and heeling condition.The present invention provides the experimental technique based on this pilot system simultaneously.
The technical scheme that the present invention takes is specially: a kind of construction machinery gear box inclining experiment system, comprises testing table and is installed on the test unit on testing table table top; Also comprise control module, testing table supporter and testing table tilt drive unit;
Testing table lower end is rotationally connected with the top of testing table supporter;
Testing table tilt drive unit comprises more than one hydraulic drive mechanism, the actuator top joint test platform of hydraulic drive mechanism; The operation of control module hydraulic control driving mechanism, rotates on testing table supporter with motoring ring test platform, and testing table table top is tilted.
Testing table of the present invention can adopt existing " one " font platform, and control module can adopt active computer or controller chip.When applying, driving desktop to tilt with different angles and amplitude by control module hydraulic control driving mechanism, the emulation of wheel box under various operating mode can be carried out, thus complete test.
Further, in the present invention, testing table is also provided with angular transducer, the signal output part connection control unit of angular transducer.Angular transducer can the angle of inclination of the platform of induced test in real time, and is fed back in control module by angle information.Control module according to the operating mode of real-time angular information and required imitation, can be integrated process to continue hydraulic control driving mechanism, finally reaches required angle of inclination.
Further, in the present invention, test unit comprises the loading motor, Lug-Down case, test wheel box and the input queued switches motor that connect successively; Input queued switches motor and Lug-Down case respectively by transmission shaft joint test wheel box, and two transmission shafts are respectively arranged with speed-torque sensor; The output terminal connection control unit of speed-torque sensor.Input queued switches motor can be test wheel box and provides experiment rotating speed, and loading motor turns degree to export different moment of torsion by changing, and Lug-Down case can adopt many gears mechanical box, can according to different gear for test wheel box provides experiment moment of torsion.Speed-torque sensor can test input and output side speed and the torque information of wheel box in real time in test experience process, as test figure.The control of input queued switches motor, loading motor and Lug-Down device also realizes by control module.
Conveniently cool test transmission internal fluid in test, test unit of the present invention also comprises lubrication oil circulation refrigerating module, and the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and forms circulating oil path passage.Lubrication oil circulation refrigerating module can adopt prior art, and its oil circulation is also prior art with being communicated with of test transmission internal oil circuit.
Preferably, hydraulic drive mechanism of the present invention comprises at least 4 hydraulic jacks, a corner of the piston rod top difference joint test platform of 4 hydraulic jacks.Hydraulic jack can be fixed on ground, the piston rod of hydraulic jack and the actuator of described hydraulic drive mechanism; Carry out extension and contraction control to 4 hydraulic jacks respectively by control module, testing table table top can be made arbitrarily to rotate inclination with the tie point of feet for fulcrum, and emulate various complex working condition, the angle of rotatable inclination and amplitude space are all larger.
Preferably, input queued switches motor and loading motor adopt adjustable speed alternating current generator.The requirement for construction machinery gear box static properties and fail-test of country and industry standard can be met.
The present invention also provides the test method based on above-mentioned construction machinery gear box inclining experiment system, comprises the following steps:
Step one, according to overall engineering machine application, determines that test wheel box is in static horizontal, inclination operating mode, climb and fall operating mode and rolls climb and fall combinational acting, the test period of above-mentioned each operating mode respectively;
Step 2, is assemblied on testing table by test wheel box to be tested, makes a service test for the test wheel box under static horizontal operating mode according to national standard;
Step 3, control the operation of each hydraulic drive mechanism, emulation rolls operating mode, climb and fall operating mode and rolls climb and fall combinational acting, testing table is made to tilt to the angle of inclination corresponding with above-mentioned each operating mode, respectively the test wheel box under above-mentioned emulation operating mode is made a service test, judge the performance of test wheel box according to test findings;
Step 4, the test period determined with step one, carries out reliability long duration test to the test wheel box under each emulation operating mode respectively.
If performance does not reach designing requirement under a certain state, then need improve test wheel box and repeat above process of the test.
Beneficial effect
Present system compact conformation is reasonable, and easy to operate, test platform can realize multiple angle of inclination under the effect of multiple hydraulic drive mechanism, to emulate the various actual conditions of wheel box.The setting of speed-torque sensor can realize the FEEDBACK CONTROL at testing table angle of inclination, and the control at angle of inclination is more accurate.
Adopt pilot system of the present invention and test method can not only carry out wheel box envelope test according to country or industry standard, and can in wheel box test, the actual complex operating modes such as simulation climbing, inclination carry out multi-angle, multi-mode heeling condition performance test and heeling condition fail-test for wheel box, the scope of application is comparatively extensive, can in the design defect effectively exposing wheel box early stage of product design and exploitation and performance issue.
Accompanying drawing explanation
Figure 1 shows that present system structural representation;
Figure 2 shows that present system simulation climbing state schematic diagram;
Figure 3 shows that present system simulation rolls view.
Embodiment
Further describe below in conjunction with the drawings and specific embodiments.
In conjunction with 1 and Fig. 2, a construction machinery gear box inclining experiment system of the present invention, comprises testing table 6, the test unit be installed on testing table 6 table top, also comprises control module, testing table supporter 8 and testing table tilt drive unit;
Testing table 6 lower end is rotationally connected with the top of testing table supporter 8;
Testing table tilt drive unit comprises more than one hydraulic drive mechanism, the actuator top joint test platform 6 of hydraulic drive mechanism; The operation of control module hydraulic control driving mechanism, rotates on testing table supporter 8 with motoring ring test platform 6, and testing table 6 table top is tilted.
Embodiment
In embodiment shown in Fig. 1, testing table adopts existing " one " font platform.
Hydraulic drive mechanism comprises a corner of the piston rod top difference joint test platform 6 of at least 4 hydraulic jacks 7,4 hydraulic jacks 7.Hydraulic jack 7 and testing table supporter 8 can be fixed on the rigid body of ground respectively, the piston rod of hydraulic jack 7 and the actuator of described hydraulic drive mechanism.Carry out extension and contraction control to 4 hydraulic jacks respectively by control module, testing table table top can be made arbitrarily to rotate inclination with the tie point of feet for fulcrum, and emulate various complex working condition, the angle of rotatable inclination and amplitude space are all larger.
Test unit comprises the loading motor 5, Lug-Down case 4, test wheel box 3 and the input queued switches motor 1 that connect successively; Input queued switches motor 1 and Lug-Down case 4 respectively by transmission shaft 9 joint test wheel box 3, and two transmission shafts 9 are respectively arranged with speed-torque sensor 2; The output terminal connection control unit of speed-torque sensor 2.Input queued switches motor and loading motor adopt adjustable speed alternating current generator.Input queued switches motor can be test wheel box and provides experiment rotating speed, and loading motor turns degree to export different moment of torsion by changing, and Lug-Down case can adopt many gears mechanical box, can according to different gear for test wheel box provides experiment moment of torsion.Speed-torque sensor can test input and output side speed and the torque information of wheel box in real time in test experience process, as test figure.The control of input queued switches motor, loading motor and Lug-Down device also realizes by control module.
Testing table 6 is also provided with angular transducer, the signal output part connection control unit of angular transducer.Angular transducer can the angle of inclination of the platform of induced test in real time, and is fed back in control module by angle information.Control module according to the operating mode of real-time angular information and required imitation, can be integrated process to continue hydraulic control driving mechanism, finally reaches required angle of inclination.
Control module can adopt active computer or controller chip.When applying, driving desktop to tilt with different angles and amplitude by control module hydraulic control driving mechanism, the emulation of wheel box under various operating mode can be carried out, thus complete test.
Conveniently cool test transmission internal fluid in test, test unit also comprises lubrication oil circulation refrigerating module, and the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and forms circulating oil path passage.Lubrication oil circulation refrigerating module can adopt prior art, and its oil circulation is also prior art with being communicated with of test transmission internal oil circuit.
Based on the test method of above-mentioned construction machinery gear box inclining experiment system, comprise the following steps:
Step one, according to overall engineering machine application, determines that test wheel box is in static horizontal, inclination operating mode, climb and fall operating mode and rolls climb and fall combinational acting, the test period of above-mentioned each operating mode respectively;
Step 2, is assemblied on testing table by test wheel box to be tested, makes a service test for the test wheel box under static horizontal operating mode according to national standard;
Step 3, control the operation of each hydraulic drive mechanism, emulation rolls operating mode, climb and fall operating mode and rolls climb and fall combinational acting, testing table is made to tilt to the angle of inclination corresponding with above-mentioned each operating mode, respectively the test wheel box under above-mentioned emulation operating mode is made a service test, judge the performance of test wheel box according to test findings;
Control the flexible inclination that can realize testing table different directions of different hydraulic cylinder, as shown in Figures 2 and 3, for system of the present invention simulates climbing state schematic diagram and simulation inclination view respectively.
Step 4, the test period determined with step one, carries out reliability long duration test to the test wheel box under each emulation operating mode respectively.
If performance does not reach designing requirement under a certain state, then need improve test wheel box and repeat above process of the test.
Present system compact conformation is reasonable, easy to operate, test platform can realize multiple angle of inclination under the effect of multiple hydraulic drive mechanism, to emulate the actual complex operating mode such as climbing, inclination of wheel box, and completing the performance test of test wheel box under various operating mode and fail-test, range of application is wider.The setting of speed-torque sensor can realize the FEEDBACK CONTROL at testing table angle of inclination, and the control at angle of inclination is more accurate, can to greatest extent in the design defect effectively exposing wheel box early stage and the performance issue of product design and exploitation.
Claims (7)
1. a construction machinery gear box inclining experiment system, comprises testing table and is installed on the test unit on testing table table top; It is characterized in that, also comprise control module, testing table supporter and testing table tilt drive unit;
Testing table lower end is rotationally connected with the top of testing table supporter;
Testing table tilt drive unit comprises more than one hydraulic drive mechanism, the actuator top joint test platform of hydraulic drive mechanism; The operation of control module hydraulic control driving mechanism, rotates on testing table supporter with motoring ring test platform, and testing table table top is tilted.
2. construction machinery gear box inclining experiment system according to claim 1, is characterized in that, testing table is also provided with angular transducer, the signal output part connection control unit of angular transducer.
3. construction machinery gear box inclining experiment system according to claim 1 and 2, is characterized in that, test unit comprises the loading motor, Lug-Down case, test wheel box and the input queued switches motor that connect successively; Input queued switches motor and Lug-Down case respectively by transmission shaft joint test wheel box, and two transmission shafts are respectively arranged with speed-torque sensor; The output terminal connection control unit of speed-torque sensor.
4. construction machinery gear box inclining experiment system according to claim 3, it is characterized in that, test unit also comprises lubrication oil circulation refrigerating module, and the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and forms circulating oil path passage.
5. construction machinery gear box inclining experiment system according to claim 1 and 2, it is characterized in that, described hydraulic drive mechanism comprises at least 4 hydraulic jacks, a corner of the piston rod top difference joint test platform of 4 hydraulic jacks.
6. construction machinery gear box inclining experiment system according to claim 1 and 2, is characterized in that, input queued switches motor and loading motor adopt adjustable speed alternating current generator.
7., based on the test method of the construction machinery gear box inclining experiment system described in claim 1 to 6, it is characterized in that, comprise the following steps:
Step one, according to overall engineering machine application, determines that test wheel box is in static horizontal, inclination operating mode, climb and fall operating mode and rolls climb and fall combinational acting, the test period of above-mentioned each operating mode respectively;
Step 2, is assemblied on testing table by test wheel box to be tested, makes a service test for the test wheel box under static horizontal operating mode according to national standard;
Step 3, control the operation of each hydraulic drive mechanism, emulation rolls operating mode, climb and fall operating mode and rolls climb and fall combinational acting, testing table is made to tilt to the angle of inclination corresponding with above-mentioned each operating mode, respectively the test wheel box under above-mentioned emulation operating mode is made a service test, judge the performance of test wheel box according to test findings;
Step 4, the test period determined with step one, carries out reliability long duration test to the test wheel box under each emulation operating mode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610046675.9A CN105510030A (en) | 2016-01-25 | 2016-01-25 | Engineering machinery gearbox inclining test system and test method thereof |
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| CN201610046675.9A CN105510030A (en) | 2016-01-25 | 2016-01-25 | Engineering machinery gearbox inclining test system and test method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107271177A (en) * | 2017-08-16 | 2017-10-20 | 宝鸡中车时代工程机械有限公司 | Can analog orbit superelevation of outer rail operating mode lifting rotation job platform it is test bed |
| CN113310568A (en) * | 2021-05-26 | 2021-08-27 | 中国汽车工程研究院股份有限公司 | Automobile sealing strip abnormal sound testing arrangement |
| CN113959713A (en) * | 2021-10-28 | 2022-01-21 | 中国第一汽车股份有限公司 | Testing device and testing method for lubrication type test of transmission part |
| CN114018570A (en) * | 2021-10-27 | 2022-02-08 | 北京博科测试系统股份有限公司 | Gear box overturning test bench |
| CN114199578A (en) * | 2021-11-12 | 2022-03-18 | 江苏凌氢新能源科技有限公司 | Adjustable inclination angle type hydraulic rack device for engine test |
| CN114414235A (en) * | 2021-12-21 | 2022-04-29 | 西安法士特汽车传动有限公司 | Transmission inclination test method, system, device, terminal equipment and storage medium |
| CN114810570A (en) * | 2021-01-21 | 2022-07-29 | 三一汽车制造有限公司 | Test platform and simulation test system |
| CN113959713B (en) * | 2021-10-28 | 2024-05-03 | 中国第一汽车股份有限公司 | Test device and test method for lubrication type test of transmission part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107271177A (en) * | 2017-08-16 | 2017-10-20 | 宝鸡中车时代工程机械有限公司 | Can analog orbit superelevation of outer rail operating mode lifting rotation job platform it is test bed |
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| CN113310568A (en) * | 2021-05-26 | 2021-08-27 | 中国汽车工程研究院股份有限公司 | Automobile sealing strip abnormal sound testing arrangement |
| CN114018570A (en) * | 2021-10-27 | 2022-02-08 | 北京博科测试系统股份有限公司 | Gear box overturning test bench |
| CN113959713A (en) * | 2021-10-28 | 2022-01-21 | 中国第一汽车股份有限公司 | Testing device and testing method for lubrication type test of transmission part |
| CN113959713B (en) * | 2021-10-28 | 2024-05-03 | 中国第一汽车股份有限公司 | Test device and test method for lubrication type test of transmission part |
| CN114199578A (en) * | 2021-11-12 | 2022-03-18 | 江苏凌氢新能源科技有限公司 | Adjustable inclination angle type hydraulic rack device for engine test |
| CN114414235A (en) * | 2021-12-21 | 2022-04-29 | 西安法士特汽车传动有限公司 | Transmission inclination test method, system, device, terminal equipment and storage medium |
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Application publication date: 20160420 |