CN203376154U - Slipping moment calibration test bench for shaft coupling of wind generator - Google Patents
Slipping moment calibration test bench for shaft coupling of wind generator Download PDFInfo
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- CN203376154U CN203376154U CN201320282821.XU CN201320282821U CN203376154U CN 203376154 U CN203376154 U CN 203376154U CN 201320282821 U CN201320282821 U CN 201320282821U CN 203376154 U CN203376154 U CN 203376154U
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Abstract
The utility model relates to a slipping moment calibration test bench for a shaft coupling of a wind generator, wherein the slipping moment calibration test bench is specially suitable for simulating a practical situation to carry out slipping moment calibration tests when the shaft coupling of a wind generator is developed or leaves a factory. The test bench mainly comprises a rack, a base plate, a moment loading mechanism, a moment output detection mechanism and a hydraulic system. When a test is carried out, the shaft coupling of a wind generator is first arranged on the test bench, a hydraulic swing oil cylinder is started, a force is loaded on the shaft coupling of a wind generator through the moment loading mechanism, the load is applied to a pull-press sensor by the moment output detection mechanism, and the drive moment is indirectly detected; and when the moment limiter of the shaft coupling of a wind generator slips, and the moment changes abruptly, being the slipping moment of the shaft coupling of a wind generator. The slipping moment calibration test bench is suitable for slipping moment calibration of other types of shaft couplings or transmission shafts.
Description
Technical field
This patent relates to a kind of wind driven generator coupler slipping torque Calibrating experimental bench, be particularly suitable in the exploitation of wind driven generator coupler and while dispatching from the factory the simulation actual working environment carry out the slipping torque rating test.
Background technology
Aerogenerator relies on the rotation of wind drive propeller, through the speed-changing gear box speedup, by output shaft and the generator amature rotating shaft of wind driven generator coupler connection teeth wheel-speed regulating change box, by wind energy transformation, is electric energy.When the aerogenerator driving torque surpasses its limit, by the limiter of moment on the blower fan generator coupling, skid, protect it not damaged.In the exploitation of wind driven generator coupler with while dispatching from the factory, all need slipping torque is demarcated, to meet wind powered generator system steady running requirement.The problem that the wind driven generator coupler slipping torque Calibrating experimental bench used at present and scaling method exist is: 1, adopt the straight line hydraulic jack to drive, oil cylinder rear end and base are hinged, cylinder piston rod and swinging block are hinged, swinging block is fixed on wind power generator shaft coupling input end, thereby the linear reciprocating motion of cylinder piston rod is become to the reciprocally swinging of shaft coupling, the deficiency of this method is that mechanism is comparatively complicated, inconsistent with the actual driving condition of wind driven generator coupler, while testing, vibration is very large simultaneously; 2, the torque detecting apparatus of wind driven generator coupler output terminal adopts large-scale torque sensor, and price is higher; By ruling, observe whether misplace to judge that limiter of moment skids while 3, testing on limiter of moment, can cause like this test judgement to lag behind, the slipping torque calibrated error is larger.
Summary of the invention
The technical matters that this patent solves has been to provide a kind of wind driven generator coupler slipping torque Calibrating experimental bench, it be adapted at the exploitation of wind driven generator coupler and while dispatching from the factory the simulation actual working environment carry out the slipping torque rating test.At first install wind driven generator coupler during test on testing table, start the hydraulic pressure oscillating oil cylinder, by torque loading mechanism direction wind-driven generator shaft coupling, load, through moment of torsion output detections mechanism by load on pull pressure sensor, indirect detection obtains driving torque; When the limiter of moment of wind driven generator coupler skids, moment of torsion is undergone mutation, and this moment of torsion is the slipping torque of wind driven generator coupler.
The wind driven generator coupler slipping torque Calibrating experimental bench of this patent mainly is comprised of stand, base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system; Base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system are all installed, are fixed on stand.
Stand adopts the shaped steel lead frame, and steel plate door is installed on surface, antirust and attractive in appearance for testing table, the processing of spraying paint of testing table surface do.
Base plate is a steel plate, is fixed on stand; Have in the middle of plate upper surface the flat key groove vertically run through together, flat key pack in the flat key groove and fix with bolt, respectively there is the T-shaped groove vertically run through together flat key groove both sides, and T-shaped bolt is packed in T-shaped groove.
Torque loading mechanism mainly is comprised of loading bearing, swing hydraulic pressure oil cylinder, scrambler, loading clamp general laws orchid, shaft coupling input shaft flange; Load bearing and locate to the flat key of placing by the plate upper surface central longitudinal, be enclosed within the T-shaped bolt in the T-shaped groove in plate upper surface both sides, fix with nut; The swing hydraulic pressure oil cylinder is fixed on and loads on bearing, and the scrambler stator is fixed on swing hydraulic pressure cylinder block rear end, and the scrambler rotor is fixed on swing hydraulic pressure oil cylinder axis of swing rear end; Loading clamp general laws orchid is inserted in swing hydraulic pressure oil cylinder swinging shaft, and the flat key of packing in the flat key groove of the blue surface diameter direction of loading clamp general laws, be fixed by bolts on swing hydraulic pressure oil cylinder swinging shaft; Shaft coupling input shaft flange is located by connecting by flat key and loading clamp general laws orchid, with bolt, fixes.
Moment of torsion output detections mechanism is mainly turned round fixed block and is formed by moment of torsion detection bearing, bearing seat, ball bearing, bearing insert, bearing (ball) cover, shaft coupling output shaft flange, output fixture flange, moment of torsion detection flange shaft, torque lever, oscillating bearing, threaded connector, pull pressure sensor, survey; Moment of torsion detects bearing and locates to the flat key of placing by the plate upper surface central longitudinal, is enclosed within the T-shaped bolt in the T-shaped groove in plate upper surface both sides, with nut, fixes; Bearing seat is fixed on moment of torsion and detects on bearing, and moment of torsion detects flange shaft sleeve and enters in two ball bearing, and uses retainer ring spacing, and ball bearing and bearing insert are packed in bearing seat and bearing (ball) cover; The output fixture flange is inserted in moment of torsion and detects flange shaft, and the flat key of packing in the diametric flat key groove of output fixture flange surface is fixed by bolts to moment of torsion and detects on flange shaft; Shaft coupling output shaft flange is located by connecting by flat key and output fixture flange, with bolt, fixes; Torque lever detects flange shaft by flat key and moment of torsion and is located by connecting, and with bolt, fixes; Threaded connector is installed in the pull pressure sensor both sides, connects upper and lower oscillating bearing, and the upper joint bearing is fixed on the end of torque lever, and the hypozygal bearing is fixed on to survey and turns round on fixed block, and survey is turned round fixed block and is fixed on moment of torsion detection bearing.
Hydraulic system mainly is comprised of fuel tank, oil absorption filter, oil pump, motor, retaining valve, tensimeter, surplus valve, accumulator, three position four-way electromagnetic valve, return filter, swing hydraulic pressure oil cylinder; The oil inlet pipe of oil pump is connected with oil absorption filter, and oil absorption filter communicates with fuel tank by oil pipe, and the flowline of oil pump is connected with retaining valve, and oil pump is connected with motor by shaft coupling; The flowline of retaining valve is connected with the P mouth of surplus valve, tensimeter, accumulator, three position four-way electromagnetic valve; The flowline of surplus valve communicates with fuel tank; The T mouth of three position four-way electromagnetic valve communicates with fuel tank through return filter by oil pipe, and the A mouth of three position four-way electromagnetic valve, B mouth are connected with the swing hydraulic pressure oil cylinder by oil pipe.
Accumulator on Hydraulic System is used for storing unnecessary pressure oil liquid, and discharges when needed feed system, the flow of stable hydraulic oscillating oil cylinder and pressure; When the short time needs large flow, by accumulator and pump while fuel feeding, and can make the long-time pressurize of swing hydraulic pressure oil cylinder, avoid pressure interference and pulsatile impact.
Wind driven generator coupler slipping torque demarcation Calibrating experimental bench test procedure is as follows:
1. adjust torque loading mechanism and moment of torsion output detections mechanism is coaxial, and make both axial spacings suitable with wind driven generator coupler length, by nut, loading bearing and moment of torsion are detected to bearing and be fastened on base plate; The input end of wind driven generator coupler is enclosed within on shaft coupling input shaft flange, the output terminal of wind driven generator coupler is enclosed within on shaft coupling output shaft flange, each fastening bolt of the fastening wind driven generator coupler input end of torque spanner and output terminal for Tightening moment is in accordance with regulations installed fixedly wind driven generator coupler on testing table.
2. start oil pump, hydraulic coupling is set up and is greater than the required hydraulic coupling of wind driven generator coupler slipping torque; Control three position four-way electromagnetic valve and move left or right, the swing hydraulic pressure oil cylinder is loaded clockwise or counterclockwise; Detect flange shaft torque load is delivered on torque lever by loading clamp general laws orchid, shaft coupling input shaft flange, wind driven generator coupler, shaft coupling output shaft flange, output fixture flange, moment of torsion, through oscillating bearing, threaded connector, apply pressure on pull pressure sensor; Detect the pendulum angle of scrambler, and the pressure of pull pressure sensor, the arm of force in the pressure of pull pressure sensor wind driven generator coupler relative to pull pressure sensor axle center is multiplied each other, can indirect detection obtain the swing hydraulic pressure oil cylinder and be loaded into the moment of torsion on wind driven generator coupler.
3. in loading procedure, when the limiter of moment of wind driven generator coupler skids, moment of torsion is undergone mutation, and this moment of torsion is the slipping torque of wind driven generator coupler.
While 4. carrying out the wind driven generator coupler slipping torque rating test of different model, according to the size difference, need to change shaft coupling input shaft flange, shaft coupling output shaft flange.
This patent has overcome the deficiency of existing testing table, has the characteristics such as simple in structure, easy to adjust, working stability, human-computer interaction be good.Be adapted at the exploitation of wind driven generator coupler and the time simulation actual working environment of dispatching from the factory is carried out the slipping torque rating test.For the performance of enterprise development, test and raising wind driven generator coupler provides strong support, there is good using value.This patent is equally applicable to the shaft coupling of other types or the slipping torque of transmission shaft is demarcated.
The accompanying drawing explanation
Fig. 1 is the whole 3 d effect graph of this patent testing table
Fig. 2 is the main body mechanism 3 d effect graph of this patent testing table
Fig. 3 is that the main body mechanism three-dimensional of this patent testing table is analysed and observe design sketch
Fig. 4 is the hydraulic system principle figure of this patent testing table
Embodiment
The wind driven generator coupler slipping torque Calibrating experimental bench of this patent mainly is comprised of stand, base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system; Base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system are all installed, are fixed on stand.
Referring to Fig. 1, stand adopts shaped steel lead frame 1, and steel plate door 2 is installed on surface, antirust and attractive in appearance for testing table, the processing of spraying paint of testing table surface do.
Referring to Fig. 2, base plate 7 is steel plates, is fixed on stand; Have in the middle of plate upper surface the flat key groove vertically run through together, flat key pack in the flat key groove and fix with bolt, respectively there is the T-shaped groove vertically run through together flat key groove both sides, and T-shaped bolt is packed in T-shaped groove.
Participate in Fig. 2,3, torque loading mechanism mainly is comprised of loading bearing 8, swing hydraulic pressure oil cylinder 9, scrambler 17, loading clamp general laws orchid 19, shaft coupling input shaft flange 18; Load bearing 8 and locate to the flat key of placing by base plate 7 upper surface central longitudinal, be enclosed within the T-shaped bolt in the T-shaped groove in plate upper surface both sides, fix with nut; Swing hydraulic pressure oil cylinder 9 is fixed on and loads on bearing 8, and scrambler 17 stators are fixed on swing hydraulic pressure oil cylinder 9 rear end of the cylinder block, and scrambler 17 rotors are fixed on swing hydraulic pressure oil cylinder 9 axis of swing rear ends; Loading clamp general laws orchid 19 is inserted in swing hydraulic pressure oil cylinder 9 swinging shafts, and the flat key of packing in the flat key groove of the blue 19 surface diameter directions of loading clamp general laws, be fixed by bolts on swing hydraulic pressure oil cylinder 9 swinging shafts; Shaft coupling input shaft flange 18 is located by connecting by flat key and loading clamp general laws orchid 19, with bolt, fixes.
Referring to Fig. 2,3, moment of torsion output detections mechanism is mainly turned round fixed block 15 and is formed by moment of torsion detection bearing 16, bearing seat 26, ball bearing 24, bearing insert 25, bearing (ball) cover 22, shaft coupling output shaft flange 20, output fixture flange 21, moment of torsion detection flange shaft 23, torque lever 11, oscillating bearing 14, threaded connector 13, pull pressure sensor 12, survey; Moment of torsion detects bearing 16 and is located to the flat key of placing by surperficial central longitudinal by base plate 7, is enclosed within the T-shaped bolt in the base plate 7 T-shaped grooves in upper surface both sides, with nut, fixes; Bearing seat 26 is fixed on moment of torsion and detects on bearing 16, and moment of torsion detects flange shaft 23 and is inserted in two ball bearing 24, and uses retainer ring spacing, and ball bearing 24 and bearing insert 25 are packed in bearing seat 26 and bearing (ball) cover 22; Output fixture flange 21 is inserted in moment of torsion and detects flange shaft 23, and the flat key of packing in the flat key groove of output fixture flange 21 surface diameter directions is fixed by bolts to moment of torsion and detects on flange shaft 23; Shaft coupling output shaft flange 20 is located by connecting by flat key and output fixture flange 21, with bolt, fixes; Torque lever 11 detects flange shaft 23 by flat key and moment of torsion and is located by connecting, and with bolt, fixes; Threaded connector 13 is installed in pull pressure sensor 12 both sides, connect upper and lower oscillating bearing 14, upper joint bearing 14 is fixed on the end of torque lever 11, and hypozygal bearing 14 is fixed on to survey and turns round on fixed block 15, and survey is turned round fixed block 15 and is fixed on moment of torsion detection bearing 16.
Referring to Fig. 4, hydraulic system mainly is comprised of fuel tank 27, oil absorption filter 37, oil pump 36, motor 29, retaining valve 35, tensimeter 34, surplus valve 29, accumulator 33, three position four-way electromagnetic valve 31, return filter 28, swing hydraulic pressure oil cylinder 32; The oil inlet pipe of oil pump 36 is connected with oil absorption filter 37, and oil absorption filter 37 communicates with fuel tank 27 by oil pipe, and the flowline of oil pump 36 is connected with retaining valve 35, and oil pump 36 is connected with motor 29 by shaft coupling; The flowline of retaining valve 35 is connected with the P mouth of surplus valve 29, tensimeter 34, accumulator 33, three position four-way electromagnetic valve 31; The flowline of surplus valve 29 communicates with fuel tank 27; The T mouth of three position four-way electromagnetic valve 31 communicates with fuel tank through return filter 28 by oil pipe, and the A mouth of three position four-way electromagnetic valve 31, B mouth are connected with swing hydraulic pressure oil cylinder 32 by oil pipe.
Accumulator on Hydraulic System 33 is for storing unnecessary pressure oil liquid, and discharges when needed feed system, the flow of stable hydraulic oscillating oil cylinder 32 and pressure; When the short time needs large flow, by accumulator 33 and 36 while of oil pump fuel feeding, and can make the long-time pressurize of swing hydraulic pressure oil cylinder 32, avoid pressure interference and pulsatile impact.
Wind driven generator coupler slipping torque Calibrating experimental bench test procedure is as follows:
1. adjust torque loading mechanism and moment of torsion output detections mechanism is coaxial, and make both axial spacings suitable with wind driven generator coupler 10 length, by nut, loading bearing 8 and moment of torsion are detected to bearing 16 and be fastened on base plate 7; The input end of wind driven generator coupler 10 is enclosed within on shaft coupling input shaft flange 18, the output terminal of wind driven generator coupler 10 is enclosed within on shaft coupling output shaft flange 20, each fastening bolt of fastening wind driven generator coupler 10 input ends of torque spanner and output terminal for Tightening moment is in accordance with regulations installed fixedly wind driven generator coupler 10 on testing table.
2. referring to Fig. 4, start oil pump 36, hydraulic coupling is set up and is greater than the required hydraulic coupling of wind driven generator coupler 10 slipping torques; Control three position four-way electromagnetic valve 31 actions to left position or right position, swing hydraulic pressure oil cylinder 32 is loaded clockwise or counterclockwise; Detect flange shaft 23 torque load is delivered on torque lever 11 by loading clamp general laws orchid 19, shaft coupling input shaft flange 18, wind driven generator coupler 10, shaft coupling output shaft flange 20, output fixture flange 21, moment of torsion, through oscillating bearing 14, threaded connector 13, on pull pressure sensor 12, apply pressure; Detect the pendulum angle of scrambler 17, and the pressure of pull pressure sensor 12; The arm of force in the pressure of pull pressure sensor 12 wind driven generator coupler relative to pull pressure sensor 12 10 axle center is multiplied each other, can indirect detection obtain swing hydraulic pressure oil cylinder 32 and be loaded into the moment of torsion on wind driven generator coupler 10.
3. in loading procedure, when the limiter of moment of wind driven generator coupler 10 skids, moment of torsion is undergone mutation, and this moment of torsion is the slipping torque of wind driven generator coupler 10.
While 4. carrying out the wind driven generator coupler 10 slipping torque rating test of different model, according to the size difference, need to change shaft coupling input shaft flange 18, shaft coupling output shaft flange 20.
Claims (2)
1. wind driven generator coupler slipping torque Calibrating experimental bench, mainly be comprised of stand, base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system; It is characterized in that base plate, torque loading mechanism, moment of torsion output detections mechanism, hydraulic system, all install, be fixed on stand; Torque loading mechanism mainly is comprised of loading bearing, swing hydraulic pressure oil cylinder, scrambler, loading clamp general laws orchid, shaft coupling input shaft flange; Load bearing and locate to the flat key of placing by the plate upper surface central longitudinal, be enclosed within the T-shaped bolt in the T-shaped groove in plate upper surface both sides, fix with nut; The swing hydraulic pressure oil cylinder is fixed on and loads on bearing, and the scrambler stator is fixed on swing hydraulic pressure cylinder block rear end, and the scrambler rotor is fixed on swing hydraulic pressure oil cylinder axis of swing rear end; Loading clamp general laws orchid is inserted in swing hydraulic pressure oil cylinder swinging shaft, and the flat key of packing in the flat key groove of the blue surface diameter direction of loading clamp general laws, be fixed by bolts on swing hydraulic pressure oil cylinder swinging shaft; Shaft coupling input shaft flange is located by connecting by flat key and loading clamp general laws orchid, with bolt, fixes; Moment of torsion output detections mechanism is mainly turned round fixed block and is formed by moment of torsion detection bearing, bearing seat, ball bearing, bearing insert, bearing (ball) cover, shaft coupling output shaft flange, output fixture flange, moment of torsion detection flange shaft, torque lever, oscillating bearing, threaded connector, pull pressure sensor, survey; Moment of torsion detects bearing and locates to the flat key of placing by the plate upper surface central longitudinal, is enclosed within the T-shaped bolt in the T-shaped groove in plate upper surface both sides, with nut, fixes; Bearing seat is fixed on moment of torsion and detects on bearing, and moment of torsion detects flange shaft sleeve and enters in two ball bearing, and uses retainer ring spacing, and ball bearing and bearing insert are packed in bearing seat and bearing (ball) cover; The output fixture flange is inserted in moment of torsion and detects flange shaft, and the flat key of packing in the diametric flat key groove of output fixture flange surface is fixed by bolts to moment of torsion and detects on flange shaft; Shaft coupling output shaft flange is located by connecting by flat key and output fixture flange, with bolt, fixes; Torque lever detects flange shaft by flat key and moment of torsion and is located by connecting, and with bolt, fixes; Threaded connector is installed in the pull pressure sensor both sides, connects upper and lower oscillating bearing, and the upper joint bearing is fixed on the end of torque lever, and the hypozygal bearing is fixed on to survey and turns round on fixed block, and survey is turned round fixed block and is fixed on moment of torsion detection bearing.
2. wind driven generator coupler slipping torque Calibrating experimental bench according to claim 1, is characterized in that described hydraulic system mainly is comprised of fuel tank, oil absorption filter, oil pump, motor, retaining valve, tensimeter, surplus valve, accumulator, three position four-way electromagnetic valve, return filter, swing hydraulic pressure oil cylinder; The oil inlet pipe of oil pump is connected with oil absorption filter, and oil absorption filter communicates with fuel tank by oil pipe, and the flowline of oil pump is connected with retaining valve, and oil pump is connected with motor by shaft coupling; The flowline of retaining valve is connected with the P mouth of surplus valve, tensimeter, accumulator, three position four-way electromagnetic valve; The flowline of surplus valve communicates with fuel tank; The T mouth of three position four-way electromagnetic valve communicates with fuel tank through return filter by oil pipe, and the A mouth of three position four-way electromagnetic valve, B mouth are connected with the swing hydraulic pressure oil cylinder by oil pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320282821.XU CN203376154U (en) | 2013-05-10 | 2013-05-10 | Slipping moment calibration test bench for shaft coupling of wind generator |
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| CN201320282821.XU CN203376154U (en) | 2013-05-10 | 2013-05-10 | Slipping moment calibration test bench for shaft coupling of wind generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103852202A (en) * | 2014-02-12 | 2014-06-11 | 联合汽车电子有限公司 | Device for testing interference fit force between inner water jacket and stator |
| CN104897400A (en) * | 2015-06-29 | 2015-09-09 | 合肥工业大学 | Robot joint reducer test bed |
| CN105352643A (en) * | 2015-11-27 | 2016-02-24 | 重庆理工大学 | Transmission shaft torque calibration method |
| CN105758568A (en) * | 2014-12-18 | 2016-07-13 | 黄大贵 | Novel torque sensor device for internal rotor switch reluctance machine |
| CN112964410A (en) * | 2021-02-24 | 2021-06-15 | 上海天永智能装备股份有限公司 | Combined torque detection device |
| CN114689297A (en) * | 2022-03-22 | 2022-07-01 | 大连理工大学 | Test bed for detecting torque transmission performance of thin-wall interference connector |
| CN117347047A (en) * | 2023-12-04 | 2024-01-05 | 德阳联动检测科技有限公司 | Intelligent calibration-based coupling slip test method and system |
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2013
- 2013-05-10 CN CN201320282821.XU patent/CN203376154U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852202A (en) * | 2014-02-12 | 2014-06-11 | 联合汽车电子有限公司 | Device for testing interference fit force between inner water jacket and stator |
| CN105758568A (en) * | 2014-12-18 | 2016-07-13 | 黄大贵 | Novel torque sensor device for internal rotor switch reluctance machine |
| CN105758568B (en) * | 2014-12-18 | 2019-04-02 | 广州博捷电机有限公司 | A kind of internal rotor switched reluctance machines torque sensor device |
| CN104897400A (en) * | 2015-06-29 | 2015-09-09 | 合肥工业大学 | Robot joint reducer test bed |
| CN104897400B (en) * | 2015-06-29 | 2017-01-25 | 合肥工业大学 | Robot joint reducer test bed |
| CN105352643A (en) * | 2015-11-27 | 2016-02-24 | 重庆理工大学 | Transmission shaft torque calibration method |
| CN112964410A (en) * | 2021-02-24 | 2021-06-15 | 上海天永智能装备股份有限公司 | Combined torque detection device |
| CN114689297A (en) * | 2022-03-22 | 2022-07-01 | 大连理工大学 | Test bed for detecting torque transmission performance of thin-wall interference connector |
| CN117347047A (en) * | 2023-12-04 | 2024-01-05 | 德阳联动检测科技有限公司 | Intelligent calibration-based coupling slip test method and system |
| CN117347047B (en) * | 2023-12-04 | 2024-02-20 | 德阳联动检测科技有限公司 | Intelligent calibration-based coupling slip test method and system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170510 |