CN205826301U - Construction machinery gear box inclining experiment system - Google Patents
Construction machinery gear box inclining experiment system Download PDFInfo
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- CN205826301U CN205826301U CN201620067908.9U CN201620067908U CN205826301U CN 205826301 U CN205826301 U CN 205826301U CN 201620067908 U CN201620067908 U CN 201620067908U CN 205826301 U CN205826301 U CN 205826301U
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- testing stand
- gear box
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Abstract
The open a kind of construction machinery gear box inclining experiment system of this utility model, system includes testing stand and the test unit being installed on testing stand table top；Also include control unit, testing stand supporter and testing stand tilt drive unit；Testing stand lower end is rotationally connected with the top of testing stand supporter；Testing stand tilt drive unit includes more than one hydraulic drive mechanism, the actuator top joint test platform of hydraulic drive mechanism；Control unit controls the operation of hydraulic drive mechanism, rotates on testing stand supporter with motoring ring test platform so that testing stand table top tilts.This utility model is by carrying out structure improvement to conventional " one " font testing stand, can tilt as required in change speed gear box is tested, with actual conditions such as simulation climbing, inclinations, it is achieved change speed gear box to be carried out the reliability test under multi-angle multi-mode heeling condition performance test and heeling condition.
Description
Technical field
This utility model relates to construction machinery gear box inclining experiment technical field, particularly a kind of construction machinery gear box
Inclining experiment system.
Background technology
Engineering machinery as the construction machinery of engineering machinery field, its command module be the more severe mine of environment,
Construction site etc., climb, the complex working condition such as inclination more, and the working time under complex working condition is longer.Change speed gear box is as work
The kernel component of journey machinery, its major function is to realize vehicle in the work of different gears and walking, big including during low speed
High speed walking when moment of torsion output and high speed.When change speed gear box is assemblied in overall engineering machine, in order to multiple in climbing, inclination etc.
General labourer can normally work under making, and needs to simulate actual condition when Development and Trial and makes a service test change speed gear box and reliability
Examination.
At present, national standard and construction machinery industry standard all use mark for performance and the fatigue endurance test of change speed gear box
Accurate static state " one " font testing stand, simply simply carries out the static test of some routines, and can not more paste actual condition, more
The particular product performance parameters of real reaction duty and fatigue life, routine test state reacts change the most to a certain extent
The Performance And Reliability of speed case, its static test result can not be entirely as the performance in real work and life-span foundation.
Utility model content
The technical problems to be solved in the utility model is: conventional " one " font testing stand is carried out structure improvement so that it is energy
Enough tilt as required in change speed gear box is tested, with actual conditions such as simulation climbing, inclinations, it is achieved change speed gear box is carried out multi-angle
Reliability test under multi-mode heeling condition performance test and heeling condition.
Technical scheme that this utility model is taked is particularly as follows: a kind of construction machinery gear box inclining experiment system, including examination
Test platform and the test unit being installed on testing stand table top；Also include that control unit, testing stand supporter and testing stand tilt to drive
Moving cell；
Testing stand lower end is rotationally connected with the top of testing stand supporter；
Testing stand tilt drive unit includes more than one hydraulic drive mechanism, and the actuator top of hydraulic drive mechanism is even
Connect testing stand；Control unit controls the operation of hydraulic drive mechanism, rotates on testing stand supporter with motoring ring test platform so that
Testing stand table top tilts.
Testing stand of the present utility model can use existing " one " font platform, control unit can use active computer or
Controller chip.Desktop is driven to incline with amplitude at different angles in use, control hydraulic drive mechanism by control unit
Tiltedly, change speed gear box emulation under various operating modes can be carried out, thus complete test.
Further, in this utility model, testing stand is also equipped with angular transducer, the signal output of angular transducer
End connects control unit.Angular transducer can the angle of inclination of the platform of induced test in real time, and feed back to control single by angle information
In unit.Control unit can be according to real-time angular information and the operating mode of required imitation, and integration processes to continue to control hydraulic-driven
Mechanism, is finally reached required angle of inclination.
Further, in this utility model, loading motor that test unit includes being sequentially connected with, Lug-Down case, examination
Test change speed gear box and input drives motor；Input drives motor and Lug-Down case respectively by power transmission shaft joint test change speed gear box,
And two be respectively arranged with speed-torque sensor on power transmission shaft；The outfan of speed-torque sensor connects control unit.Input
Driving motor can be test change speed gear box offer experiment rotating speed, and loading motor can be spent by changing to turn with the different moment of torsion of output, loads
Reduction box can use many gears mechanical box, it is possible to provides experiment moment of torsion according to different gears for test change speed gear box.Speed-torque passes
Sensor can test the input of change speed gear box and outlet side speed and torque information in real time during test experience, as test number
According to.Input drives the control of motor, loading motor and Lug-Down device also can be realized by control unit.
The most in test cooling down test transmission internal fluid, test unit of the present utility model also wraps
Including lubrication oil circulation refrigerating module, the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and forms recycle oil
Paths.Lubrication oil circulation refrigerating module can use prior art, and it is oil circulation and also tests the connection of transmission internal oil circuit
For prior art.
Preferably, hydraulic drive mechanism described in the utility model includes at least 4 hydraulic jacks, the work of 4 hydraulic jacks
One corner of stopper rod top joint test platform respectively.Hydraulic jack is securable on the rigid body of ground, the piston of hydraulic jack
The actuator of the most described hydraulic drive mechanism of bar；Respectively 4 hydraulic jacks are carried out extension and contraction control by control unit, can make
Testing stand table top is rotated at random inclination with the junction point with a spike for fulcrum, emulates various complex working condition, rotatable inclination
Angle and amplitude space are the biggest.
Preferably, input drives motor and loading motor to use adjustable speed alternating current generator.Country and industry standard can be met
For construction machinery gear box static properties and the requirement of reliability test.
Beneficial effect
This utility model system structure compact and reasonable, easy to operate, test platform can be at multiple hydraulic drive mechanisms
Realize multiple angle of inclination under effect, to emulate the actual complex operating modes such as the climbing of change speed gear box, inclination, and complete to test change speed gear box
Performance test under various operating modes and reliability test, range of application is wider.The setting of speed-torque sensor can realize examination
Testing the feedback control at platform angle of inclination, the control at angle of inclination is more accurate, it is possible to greatest extent in product design and exploitation
Early stage effectively exposes design defect and the performance issue of change speed gear box.
Accompanying drawing explanation
Fig. 1 show this utility model system structure schematic diagram.
Detailed description of the invention
Further describe below in conjunction with the drawings and specific embodiments.
In conjunction with 1, a construction machinery gear box inclining experiment system of the present utility model, including testing stand 6, it is installed on test
Test unit on platform 6 table top, also includes control unit, testing stand supporter 8 and testing stand tilt drive unit；
Testing stand 6 lower end is rotationally connected with the top of testing stand supporter 8；
Testing stand tilt drive unit includes more than one hydraulic drive mechanism, and the actuator top of hydraulic drive mechanism is even
Connect testing stand 6；Control unit controls the operation of hydraulic drive mechanism, rotates on testing stand supporter 8 with motoring ring test platform 6,
Testing stand 6 table top is tilted.
Embodiment
In embodiment shown in Fig. 1, testing stand uses existing " one " font platform.
Hydraulic drive mechanism includes the piston rod top joint test respectively of 7,4 hydraulic jacks 7 of at least 4 hydraulic jacks
One corner of platform 6.Hydraulic jack 7 and testing stand supporter 8 are securable on the rigid body of ground respectively, the work of hydraulic jack 7
The actuator of the most described hydraulic drive mechanism of stopper rod. respectively 4 hydraulic jacks are carried out extension and contraction control by control unit, can make
Obtain testing stand table top and be rotated at random inclination with the junction point with a spike for fulcrum, emulate various complex working condition, rotatable inclination
Angle and amplitude space the biggest.
Test unit includes that the loading motor 5 being sequentially connected with, Lug-Down case 4, test change speed gear box 3 and input drive motor
1；Input drives motor 1 and Lug-Down case 4 respectively by difference on power transmission shaft 9 joint test change speed gear box 3, and two power transmission shafts 9
It is provided with speed-torque sensor 2；The outfan of speed-torque sensor 2 connects control unit.Input drives motor and loading
Motor uses adjustable speed alternating current generator.Input drives motor can be that test change speed gear box provides experiment rotating speed, and loading motor can pass through
Changing to turn and spend with the different moment of torsion of output, Lug-Down case can use many gears mechanical box, it is possible to becomes for testing according to different gears
Speed case provides experiment moment of torsion.Speed-torque sensor can test input and the outlet side of change speed gear box in real time during test experience
Speed and torque information, as test data.Input drives the control of motor, loading motor and Lug-Down device also can pass through
Control unit realizes.
Being also equipped with angular transducer on testing stand 6, the signal output part of angular transducer connects control unit.Angle passes
Sensor can the angle of inclination of the platform of induced test in real time, and angle information is fed back in control unit.Control unit can be according to reality
Time angle information and the operating mode of required imitation, integration processes to continue to control hydraulic drive mechanism, is finally reached required inclining
Rake angle.
Control unit can use active computer or controller chip.Drive in use, control hydraulic pressure by control unit
Motivation structure drives desktop to tilt with amplitude at different angles, can carry out change speed gear box emulation under various operating modes, thus complete
Become test.
The most in test cooling down test transmission internal fluid, test unit also includes lubrication oil circulation
Refrigerating module, the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and forms circulating oil path passage.Lubricating oil
Circulating cooling module can use prior art, and its oil circulation and test transmission internal oil circuit connection is also prior art.
When utilizing above-mentioned construction machinery gear box inclining experiment system to test, can be according to following steps:
Step one, according to overall engineering machine application, determines that test change speed gear box is in static horizontal, rolls work respectively
Condition, climb and fall operating mode and inclination climb and fall combinational acting, the test period of above-mentioned each operating mode；
Step 2, is assemblied in test change speed gear box to be tested on testing stand, according to national standard for static horizontal work
Test change speed gear box under condition makes a service test；
Step 3, controls the operation of each hydraulic drive mechanism, and emulation rolls operating mode, climb and fall operating mode and rolls climb and fall connection
Close operating mode, make testing stand tilt to the angle of inclination corresponding with above-mentioned each operating mode, respectively to the test under above-mentioned emulation operating mode
Change speed gear box makes a service test, and judges the performance of test change speed gear box according to result of the test；
Step 4, the test period determined with step one, respectively the test change speed gear box under each emulation operating mode is carried out reliably
Property long duration test.
If performance does not reaches design requirement under a certain state, then need test change speed gear box is improved and repeats above examination
Test process.
This utility model system structure compact and reasonable, easy to operate, test platform can be at multiple hydraulic drive mechanisms
Realize multiple angle of inclination under effect, to emulate the actual complex operating modes such as the climbing of change speed gear box, inclination, and complete to test change speed gear box
Performance test under various operating modes and reliability test, range of application is wider.The setting of speed-torque sensor can realize examination
Testing the feedback control at platform angle of inclination, the control at angle of inclination is more accurate, it is possible to greatest extent in product design and exploitation
Early stage effectively exposes design defect and the performance issue of change speed gear box.
Claims (6)
1. a construction machinery gear box inclining experiment system, including testing stand and the test sheet being installed on testing stand table top
Unit；It is characterized in that, also include control unit, testing stand supporter and testing stand tilt drive unit；
Testing stand lower end is rotationally connected with the top of testing stand supporter；
Testing stand tilt drive unit includes more than one hydraulic drive mechanism, and the actuator top of hydraulic drive mechanism connects examination
Test platform；Control unit controls the operation of hydraulic drive mechanism, rotates on testing stand supporter with motoring ring test platform so that test
Platform table top tilts.
Construction machinery gear box inclining experiment system the most according to claim 1, is characterized in that, testing stand is also equipped with
Angular transducer, the signal output part of angular transducer connects control unit.
Construction machinery gear box inclining experiment system the most according to claim 1 and 2, is characterized in that, test unit includes
The loading motor, Lug-Down case, test change speed gear box and the input that are sequentially connected with drive motor；Input drives motor and Lug-Down
Case is respectively by power transmission shaft joint test change speed gear box, and is respectively arranged with speed-torque sensor on two power transmission shafts；Speed-torque
The outfan of sensor connects control unit.
Construction machinery gear box inclining experiment system the most according to claim 3, is characterized in that, test unit also includes profit
Lubricating oil circulating cooling module, the oil circuit of lubrication oil circulation refrigerating module connects transmission internal oil circuit, and it is logical to form circulating oil path
Road.
Construction machinery gear box inclining experiment system the most according to claim 3, is characterized in that, input drives motor and adds
Carry motor and use adjustable speed alternating current generator.
Construction machinery gear box inclining experiment system the most according to claim 1 and 2, is characterized in that, described hydraulic-driven
Mechanism includes at least 4 hydraulic jacks, a corner of the piston rod top of 4 hydraulic jacks joint test platform respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067908.9U CN205826301U (en) | 2016-01-25 | 2016-01-25 | Construction machinery gear box inclining experiment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620067908.9U CN205826301U (en) | 2016-01-25 | 2016-01-25 | Construction machinery gear box inclining experiment system |
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| CN205826301U true CN205826301U (en) | 2016-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510030A (en) * | 2016-01-25 | 2016-04-20 | 徐州徐工传动科技有限公司 | Engineering machinery gearbox inclining test system and test method thereof |
-
2016
- 2016-01-25 CN CN201620067908.9U patent/CN205826301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510030A (en) * | 2016-01-25 | 2016-04-20 | 徐州徐工传动科技有限公司 | Engineering machinery gearbox inclining test system and test method thereof |
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