CN218674242U - Static torsion test bed for wind power coupler - Google Patents
Static torsion test bed for wind power coupler Download PDFInfo
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- CN218674242U CN218674242U CN202222818814.9U CN202222818814U CN218674242U CN 218674242 U CN218674242 U CN 218674242U CN 202222818814 U CN202222818814 U CN 202222818814U CN 218674242 U CN218674242 U CN 218674242U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a static torsion test stand of a wind power coupler, which belongs to the technical field of torsion tests of wind power couplers and solves the problem that the existing torsion test machine cannot perform a slipping torque measurement performance test of the wind power coupler; the test bed comprises a sensor for measuring the torque of the wind power coupling, and one side of the test bed is provided with a hydraulic transmission device which provides torque for the wind power coupling; the hydraulic transmission device and the sensor are connected with a PLC in the control cabinet, the PLC controls the hydraulic transmission device to transmit torque to the wind power coupler on the test bed, and the wind power coupler feeds the torque back to the control cabinet through the sensor. The utility model discloses can carry out wind-powered electricity generation shaft coupling's the torque measurement performance experiment of skidding, will set for the torque transmission of direction and size to the one end of the wind-powered electricity generation shaft coupling on the test bench through switch board control hydraulic transmission, the sensor on the other end of wind-powered electricity generation shaft coupling feeds back the moment of torsion to the switch board to this obtains the experimental result.
Description
Technical Field
The utility model relates to a wind-powered electricity generation shaft coupling torsion test technical field, concretely relates to wind-powered electricity generation shaft coupling static torsion test platform.
Background
The torsion testing machine is mainly used for torsion detection tests of various accessories such as automobile transmission shaft torsion, coupler torsion, connecting pieces, connecting rods, various mandrels, core rods, tension wheels, clutches, shock absorbers, bolts, vehicle-mounted tools and the like. The tested sample is arranged between the clamps with adjustable space, and can adapt to the test of the torsional mechanical property of different tested samples. The test bed is controlled and operated by a computer, and can collect data such as torque, peak value, angle, curve and the like; the display displays the torque-time, torsion angle-time and torque-torsion angle test curves of the tested part; the test data storage, examination and test report printing can be realized.
The torsion testing machine consists of two parts of machinery and electrical appliances, and the working principle is as follows: the torsion testing machine adopts electric loading, and the left sensor and the sensor support can move left and right and are used for conveniently clamping a sample; and during torsional loading, the full-digital alternating current servo drives the clamp to rotate through the precision planetary gear reducer to load the test piece, so that the torsional test of the test piece is realized. The middle position of the workbench is a workpiece torsion space, a sample is clamped through a fixing clamp and a rotating clamp, the motor drives the clamp to rotate to load torque on the sample, a torque limiting device is not arranged, the sample can be broken when the sliding torque of the sample fails, the motor can rotate for 360 degrees and does not swing, the torque is not controlled conveniently, and the slip torque measurement performance test of the wind power coupler cannot be tested.
The wind power coupling is used for connecting mechanical parts between a high-speed shaft and a motor shaft of a gear box. The torque limiter has the advantages that the effects of torque transmission, buffering, vibration reduction, insulation, overload protection and shafting dynamic performance improvement are achieved, when the torque transmitted in the fan transmission chain exceeds the calibrated torque of the torque limiter, the torque limiter slips, effective overload protection is conducted on the whole fan transmission chain, and the torque limiter needs to conduct slipping torque measurement performance testing on the wind power coupler due to the fact that the machining error of the torque limiter is different from the set calibrated torque.
In order to solve the problems, for example, chinese patent with publication number CN200910263501.8 discloses a test bed and a test method for a coupling of a wind driven generator, the test bed comprises a base, a pair of left and right supports for mounting the coupling are arranged on the base, the left support is a bearing seat, a torque input shaft is arranged in the seat, one end of the shaft is provided with a flange for butt joint with an input section of the coupling; the right support is composed of a torque sensor and a supporting plate, the supporting plate is arranged on the base, the torque sensor is fixed on the supporting plate, the torque sensor is in butt joint with the output section of the coupler, and the right support is provided with an axial, radial and angular displacement adjusting structure; a driving device arranged on the base, which is connected with the torque input shaft of the left support and drives the shaft to rotate; the torque input shaft is provided with an angle sensor for measuring the angular displacement of the shaft; a display for displaying the setting parameters and the measurement parameters of the test; the test bed has the advantages of reasonable structure, simplicity and convenience in operation, high measurement accuracy and real and reliable obtained test data, provides necessary equipment for manufacturing the wind driven generator coupler, realizes the nationwide production of the wind driven generator, but the driving device drives the oscillating block to input torque for the hydraulic rod, and the overflow valve has no function of protecting a test piece, so that the test piece cannot be prevented from being damaged due to overlarge torque in the test.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the prior art, the utility model provides a quiet twist test platform of wind-powered electricity generation shaft coupling has solved current torsion testing machine and can't carry out the problem that the moment of torsion survey performance of skidding of wind-powered electricity generation shaft coupling tested.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a static torsion test bed for a wind power coupler comprises a test bed fixed with the wind power coupler, wherein the test bed comprises a sensor for measuring the torque of the wind power coupler; the hydraulic transmission device and the sensor are connected with a PLC in the control cabinet, the PLC controls the hydraulic transmission device to transmit torque to the wind power coupler on the test bed, and the wind power coupler feeds the torque back to the control cabinet through the sensor.
In this scheme, the switch board will set for the one end of the wind-powered electricity generation shaft coupling on direction and the torque transmission of size to the test bench through controlling hydraulic transmission device, the other end of wind-powered electricity generation shaft coupling passes through the sensor with torque feedback to switch board, can realize the torque measurement capability test that skids of wind-powered electricity generation shaft coupling, when hydraulic transmission device's moment of torsion made moment limiter both ends in the wind-powered electricity generation shaft coupling skid, the moment of torsion that the sensor fed back to the switch board will take place the sudden change, can reachd the moment of torsion of skidding of moment limiter through the sudden change value.
Further, the test bed comprises a base; a first bracket is arranged on one side of the base, a second bracket is arranged on the opposite side of the base, a first clamp is arranged on the first bracket, and a second clamp is arranged on the second bracket; the first clamp and the second clamp respectively clamp one end of the wind power coupler; the first clamp is connected with the hydraulic transmission device, the second clamp is connected with the torque lever, and the torque lever is connected with the sensor.
In this scheme, the test bench passes through first anchor clamps and second anchor clamps with the firm fixed in wind-powered electricity generation shaft coupling's both ends to make first anchor clamps transmit the moment of torsion on the hydraulic transmission device to the one end of wind-powered electricity generation shaft coupling, recycle moment of torsion lever and the cooperation of sensor and measure the moment of torsion of second anchor clamps, and feed back numerical value to the control cabinet.
Further, the hydraulic transmission device comprises a swing oil cylinder and a hydraulic pump; the swing oil cylinder is fixed on the first support, and the output end of the swing oil cylinder is connected with the first clamp; the hydraulic pump is communicated with an oil tank, and the oil tank is fixed in the control cabinet; the swing oil cylinder is provided with a first oil pipe and a second oil pipe, the first oil pipe is communicated with the hydraulic pump, and the second oil pipe is communicated with the oil tank; the hydraulic pump is connected with the PLC.
In the scheme, the hydraulic pump is a power element, converts self mechanical energy into pressure energy of liquid and drives the swing oil cylinder to swing; the swing oil cylinder is an execution element, converts pressure energy of liquid into mechanical energy and drives the first clamp to rotate; the oil tank, the first oil pipe and the second oil pipe are auxiliary elements and provide hydraulic oil and form a hydraulic loop so as to transfer energy;
furthermore, a pressure regulating valve is arranged on the first oil pipe, the pressure regulating valve is sequentially communicated with a speed regulating valve and a reversing valve, the reversing valve is communicated with the first oil pipe, and the reversing valve is connected with the PLC.
In the scheme, the pressure regulating valve can regulate the hydraulic oil pressure in the first oil pipe, namely regulate the torque of the swing oil cylinder, and can limit the maximum torque output by the swing oil cylinder during a slip torque measurement performance experiment of the wind power coupler, so that the wind power coupler is prevented from being damaged; the speed regulating valve can regulate the flow of hydraulic oil in the first oil pipe, so that the rotating speed of the oil cylinder of the swing cylinder can be changed; the direction of the hydraulic oil in the first oil pipe can be changed by the reversing valve, namely the rotating direction of the oil cylinder of the swing cylinder can be changed; the reversing valve is connected with the PLC, and the direction of the reversing valve can be directly controlled through the control cabinet.
Furthermore, a pressure gauge is arranged on the first oil pipe and is positioned on a pipeline between the pressure regulating valve and the hydraulic pump.
In this scheme, the manometer uses with the air-vent valve cooperation, and when adjusting the air-vent valve, the pressure in the first oil pipe is observed to the accessible manometer, is convenient for adjust.
Further, a connecting block is arranged on one side of the torque lever and connected with the sensor.
In this scheme, the connecting block links to each other with the sensor, places the weight with the weight before experimental on the connecting block, compares the weight of weight and the feedback numerical value of sensor to this inspection sensor's precision ensures test data's accuracy.
Furthermore, the sensor is columnar, one end of the sensor is in threaded connection with the connecting block, and the other end of the sensor is in threaded connection with the base; the sensor tests the pressure or tension of the connecting block.
In this scheme, the sensor tests out the pressure or the pulling force of connecting block, calculates the moment of torsion that can reachs the second anchor clamps through the length of moment of torsion lever, is convenient for set up zero setting to the sensor before the experiment.
Furthermore, the swing angle of the swing oil cylinder is-90 degrees, an encoder with an angle memory function is arranged in the swing oil cylinder, and the encoder is connected with the PLC.
In this scheme, the angle of swing hydro-cylinder passes through the encoder with signal transmission to switch board, and then accessible switch board control hydraulic pump comes zero setting to the initial angle of swing hydro-cylinder, the wind-powered electricity generation shaft coupling's of being convenient for installation and debugging.
Furthermore, two through holes are formed in the top of the control cabinet, and the first oil pipe and the second oil pipe penetrate through the through holes respectively and are communicated with the hydraulic pump and the oil tank respectively.
In this scheme, first oil pipe and second oil pipe get into the switch board from the switch board top to with hydraulic pump and the oil tank intercommunication in the switch board, so design has increased space utilization, and has reduced the risk that the tester stumbled by first oil pipe and second oil pipe.
Further, the base is made of nodular cast iron.
In the scheme, the base is made of ball-milling cast iron, so that the strength and hardness are high, and the deformation of the base can be avoided.
The utility model discloses a quiet test bench that twists reverse of wind-powered electricity generation shaft coupling, its beneficial effect is:
1. the utility model discloses can carry out the torque measurement performance experiment that skids of wind-powered electricity generation shaft coupling, through the fixed wind-powered electricity generation shaft coupling both ends of test bench, recycle switch board control hydraulic transmission and apply certain moment of torsion to wind-powered electricity generation shaft coupling one end, the test bench passes through the sensor with the moment of torsion of the wind-powered electricity generation shaft coupling other end and feeds back to the switch board, when the wind-powered electricity generation shaft coupling skids, the moment of torsion numerical value that the switch board obtained will take place the sudden change, can reach the demarcation moment of torsion limiter's in the wind-powered electricity generation shaft coupling through this sudden change value and moment of torsion.
2. The utility model discloses utilize the biggest output torque of air-vent valve restriction swing hydro-cylinder, can protect the wind-powered electricity generation shaft coupling, prevent to skid in the wind-powered electricity generation shaft coupling and become invalid and cause the wind-powered electricity generation shaft coupling to damage.
Drawings
FIG. 1 is a schematic structural diagram of a static torsion test bed of a wind power coupling;
FIG. 2 is a schematic diagram of a hydraulic transmission device in the control cabinet;
wherein: 1. a control cabinet; 2. a hydraulic transmission device; 3. a test bed; 21. a first oil pipe; 22. a second oil pipe; 23. a swing oil cylinder; 24. an oil tank; 25. a hydraulic pump; 26. a pressure gauge; 27. a diverter valve; 28. a speed regulating valve; 29. a pressure regulating valve; 291. adjusting a knob; 31. a first bracket; 32. a base; 33. a second bracket; 34. a first clamp; 35. a second clamp; 36. a torque lever; 361. connecting blocks; 37. a sensor.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
Example 1
Fig. 1 is a schematic structural diagram of a static torsion test stand 3 of a wind power coupling, which is used for solving the problem that the existing torsion testing machine cannot perform a slip torque measurement performance test of the wind power coupling, and the following describes each component in detail.
A wind power coupling static torsion test bed comprises a test bed 3, a hydraulic transmission device 2 and a control cabinet 1;
Specifically, the test bed 3 further includes a first bracket 31, a base 32, a second bracket 33, a first clamp 34, a second clamp 35, a torque lever 36 and a connecting block 361; the base 32 is made of ball-milling cast iron, and has high strength and hardness, so that the deformation of the base is avoided.
The first bracket 31 and the second bracket 33 are respectively symmetrically positioned at two sides of the base 32 and are in bolt connection with the base 32; the first clamp 34 is rotationally fixed on the first bracket 31 through a bearing and is connected with the hydraulic transmission device 2; the second clamp 35 is rotationally fixed on the second bracket 33 through a bearing and is connected with the torque lever 36; the first clamp 34 and the second clamp 35 are both provided with a plurality of mounting holes, and both ends of the wind power coupler are both provided with a plurality of threaded holes; and (3) penetrating the bolts through threaded holes at two ends of the wind power coupler, and then screwing the bolts on mounting holes of the first clamp 34 and the second clamp 35 respectively to finish the fixation of the wind power coupler and the test bed 3.
The torque lever 36 is cam-shaped, one side of the cam is connected with the second clamp 35 through a bolt, the cam is designed to transmit large torque, and the other side of the cam is connected with the connecting block 361 through a bolt.
The sensor 37 is columnar, is used for testing the pressure or the tensile force of the connecting block 361, and is a columnar tension-compression bidirectional force measuring sensor, and in the embodiment, the type of the sensor 37 is F24CS; one end of the sensor 37 is in threaded connection with the connecting block 361, and the other end of one end of the sensor 37 is in threaded connection with the base 32; before the test, a weight can be placed on the connecting block 361 on the sensor 37 through the connecting block 361 on the sensor 37, and the weight of the weight is compared with the feedback value of the sensor 37, so that the precision of the sensor 37 is checked, and the accuracy of test data is ensured; sensor 37 tests the pressure or the pulling force of connecting block 361, calculates the moment of torsion that can obtain second anchor clamps 35 and feeds back to the PLC in switch board 1 through the length of moment of torsion lever 36, through the cooperation of moment of torsion lever 36 with sensor 37, can be after the installation wind-powered electricity generation shaft coupling, and the setting of zeroing is carried out sensor 37, the experiment of being convenient for.
The control cabinet 1 comprises a PLC and a computer, the computer is connected with the PLC, and the computer is convenient for operating the PLC.
The PLC of this embodiment directly selects a PLC controller in the conventional technology, and the PLC and the computer of this embodiment directly adopt the conventional technology in the field, so detailed description of the specific connection relationship and the action principle is omitted.
The working principle of the embodiment is as follows: through computer operation PLC, PLC control hydraulic transmission device 2 outputs certain moment of torsion to first anchor clamps 34, first anchor clamps 34 transmit the moment of torsion to wind-powered electricity generation shaft coupling's one end, transmit the moment of torsion to moment of torsion lever 36 and sensor 37 through second anchor clamps 35 on wind-powered electricity generation shaft coupling's the other end, sensor 37 feeds back the moment of torsion to PLC in the switch board 1 and shows on the computer, can realize the moment of torsion survey performance test that skids of wind-powered electricity generation shaft coupling, when hydraulic transmission device 2's moment of torsion makes moment limiter both ends in the wind-powered electricity generation shaft coupling skid, the moment of torsion that sensor 37 feedbacks to switch board 1 will take place the sudden change, can draw the moment of torsion that skids of moment limiter through the sudden change value.
Example 2
In order to transmit torque to the test stand 3, the present embodiment provides a hydraulic transmission 2, the components of which will be shown in detail below.
The hydraulic transmission device 2 comprises a first oil pipe 21, a second oil pipe 22, a swing hydraulic cylinder, an oil tank 24, a hydraulic pump 25, a pressure gauge 26, a reversing valve 27, a speed regulating valve 28 and a pressure regulating valve 29; the swing cylinder 23 in the embodiment is UBJKS 180X 180H, the base 32 of the swing cylinder 23 is in threaded connection with the first support 31, the output end of the swing cylinder 23 is in key connection with the first clamp 34, and the swing cylinder 23 transmits torque to the first clamp 34 through the output end; the swing angle of the swing oil cylinder 23 is-90 degrees, an encoder with an angle memory function is arranged in the swing oil cylinder, the encoder is connected with the PLC, the angle of the swing oil cylinder 23 transmits a signal to the control cabinet 1 through the encoder, and then the hydraulic pump 25 is controlled by the control cabinet 1 to zero the initial angle of the swing oil cylinder 23, so that the wind power coupler can be conveniently installed and debugged.
As shown in fig. 2, the hydraulic pump 25 of the present embodiment has a model number of a10VSO140DFR1, the hydraulic pump 25 is connected to the oil tank 24, the hydraulic pump 25 is connected to the PLC, and the oil tank 24 is fixed in the control cabinet 1; the hydraulic pump 25 passes through the through-hole and the swing hydro-cylinder 23 intercommunication at switch board 1 top through first oil pipe 21, the oil tank 24 passes the through-hole and the swing hydro-cylinder 23 intercommunication at switch board 1 top through second oil pipe 22, form hydraulic circuit with hydraulic pump 25, oil tank 24 and swing hydro-cylinder 23 through first oil pipe 21 and second oil pipe 22, and first oil pipe 21 and second oil pipe 22 get into switch board 1 from switch board 1 top, so design has increased space utilization, and reduced the risk that the tester stumbled by first oil pipe 21 and second oil pipe 22.
In this embodiment, the hydraulic pump 25 is a power element, and converts its own mechanical energy into pressure energy of liquid to drive the swing cylinder 23 to swing; the swing oil cylinder 23 is an executing element, converts pressure energy of liquid into mechanical energy, and drives the second clamp 35 to move; the oil tank 24, the first oil line 21 and the second oil line 22 are auxiliary components that supply hydraulic oil and form a hydraulic circuit to transfer energy.
Specifically, the pressure regulating valve 29 is arranged on the first oil pipe 21, the adjusting knob 291 is arranged on the pressure regulating valve 29, in order to facilitate manual rotation of the adjusting knob 291 for regulating the maximum pressure in the first oil pipe 21, the pressure gauge 26 is arranged on a pipeline between the pressure regulating valve 29 and the hydraulic pump 25 of the first oil pipe 21, the pressure gauge 26 is used in cooperation with the pressure regulating valve 29, the model of the pressure regulating valve 29 in the embodiment is DN50, when the pressure regulating valve 29 is regulated, the pressure in the first oil pipe 21 can be observed through the pressure gauge 26, the hydraulic oil pressure in the first oil pipe 21, namely, the torque of the swing oil cylinder 23 is regulated, and therefore when a slip torque measurement performance experiment of the wind power coupler is carried out, the maximum torque output by the swing oil cylinder 23 can be limited, and the wind power coupler is prevented from being damaged.
The pressure regulating valve 29 is sequentially communicated with a speed regulating valve 28 and a reversing valve 27, the reversing valve 27 is communicated with the first oil pipe 21, the reversing valve 27 is connected with the PLC, the model of the speed regulating valve 28 is QCI1-63B, and the speed regulating valve 28 can regulate the flow of hydraulic oil in the first oil pipe 21, namely the rotating speed of the oil cylinder of the swing cylinder can be changed; the model of the reversing valve 27 in this embodiment is 4WE10E31B, the direction of the hydraulic oil in the first oil pipe 21 can be changed by the reversing valve 27, that is, the rotation direction of the swing cylinder 23 can be changed, and the direction of the reversing valve 27 can be directly controlled by the control cabinet 1 by connecting the reversing valve 27 with the PLC.
The working principle of the hydraulic transmission device 2 of the present embodiment is as follows: before the experiment begins, the maximum output torque of the swing oil cylinder 23 is limited by rotating the adjusting knob 291 on the pressure regulating valve 29 and observing the pressure gauge 26, and the test piece is prevented from being damaged due to failure of a torque limiter in the wind power coupling.
During the experiment, through computer and the output pressure of PLC control hydraulic pump 25 in switch board 1, hydraulic pump 25 transmits pressure energy to swing hydro-cylinder 23 through first oil pipe 21, second oil pipe 22, and swing hydro-cylinder 23 turns into hydraulic energy again and drives first anchor clamps 34 with mechanical energy, and first anchor clamps 34 transmit the moment of torsion to the wind-powered electricity generation shaft coupling again to the realization is through the input torque control of switch board 1 to the wind-powered electricity generation shaft coupling.
The working principle of the static torsion test bed for the wind power coupler is as follows:
firstly, the accuracy of the sensor 37 is confirmed, and then the maximum torque of the wind power coupling is limited in advance according to the experiment requirement, and the specific operation steps are as follows: on placing connecting block 361 with the weight, compare the weight of weight and sensor 37's feedback numerical value to this precision of inspection sensor 37, regulation knob 291 on the rotatory air-vent valve 29 of rethread, observe manometer 26 simultaneously, thereby the maximum output torque of restriction swing hydro-cylinder 23 prevents thereby that the moment limiter in the wind-powered electricity generation shaft coupling from failing to damage this test piece.
And then installing the wind power coupler, wherein the concrete process is as follows: firstly, the angle of the swing oil cylinder 23 is adjusted to 0 degree through the control cabinet 1, and two ends of the wind power coupler are respectively connected with the first clamp 34 and the second clamp 35 through bolts.
The method comprises the following steps of carrying out experiments, wherein the experiments can be divided into a slip torque measurement performance test and a slip durability performance test, and the slip torque measurement performance test aims at obtaining a calibrated slip torque of a torque limiter in the wind power coupler; the purpose of the slippage durability test is to test that the wind power coupler can not slip for a certain time under the action of a certain swing torque.
And (3) slip torque measurement performance test: through computer and PLC in the switch board 1, the slow output torque that improves of control swing hydro-cylinder 23, swing hydro-cylinder 23 is through first anchor clamps 34, first anchor clamps 34 transmit the moment of torsion to the one end of wind-powered electricity generation shaft coupling, transmit the moment of torsion to moment of torsion lever 36 and sensor 37 through second anchor clamps 35 on the other end of wind-powered electricity generation shaft coupling, sensor 37 feeds back the moment of torsion to PLC in the switch board 1 and shows on the computer, when hydraulic transmission device 2's moment of torsion makes moment limiter both ends among the wind-powered electricity generation shaft coupling skid, the moment of torsion that sensor 37 feedbacks to switch board 1 will take place the sudden change, can draw the moment of torsion of skidding of moment limiter through the sudden change value.
And (3) testing the slip durability: through computer and PLC in the switch board 1, the output torque of swing hydro-cylinder 23 is controlled, swing hydro-cylinder 23 passes through first anchor clamps 34, first anchor clamps 34 transmit the moment of torsion to the one end of wind-powered electricity generation shaft coupling, transmit the moment of torsion to moment of torsion lever 36 and sensor 37 through second anchor clamps 35 on the other end of wind-powered electricity generation shaft coupling, sensor 37 feeds back the moment of torsion to PLC in the switch board 1 and shows on the computer, in a certain period, when the moment of torsion that sensor 37 feedbacks does not have the sudden change, can demonstrate that this wind-powered electricity generation shaft coupling has certain slip durability.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (10)
1. The utility model provides a wind-powered electricity generation shaft coupling static twist test platform which characterized in that: the test bed (3) is fixed with a wind-power coupling, the test bed (3) comprises a sensor (37) for measuring the torque of the wind-power coupling, one side of the test bed (3) is provided with a hydraulic transmission device (2), and the hydraulic transmission device (2) provides torque for the wind-power coupling; hydraulic transmission device (2) with sensor (37) all are connected with PLC in switch board (1), PLC control hydraulic transmission device (2) with the moment of torsion transmission extremely wind-powered electricity generation shaft coupling on test bench (3), wind-powered electricity generation shaft coupling passes through sensor (37) with the moment of torsion feedback extremely switch board (1).
2. The wind power coupling static torsion test stand according to claim 1, characterized in that: the test bed (3) further comprises a base (32); a first support (31) is arranged on one side of the base (32), a second support (33) is arranged on the opposite side of the base, a first clamp (34) is arranged on the first support (31), and a second clamp (35) is arranged on the second support (33); the first clamp (34) and the second clamp (35) respectively clamp one end of the wind power coupling; the first clamp (34) is connected with the hydraulic transmission device (2), the second clamp (35) is connected with the torque lever (36), and the torque lever (36) is connected with the sensor (37).
3. The wind power coupling static torsion test stand according to claim 2, characterized in that: the hydraulic transmission device (2) comprises a swing oil cylinder (23) and a hydraulic pump (25); the swing oil cylinder (23) is fixed on the first support (31) and the output end of the swing oil cylinder is connected with the first clamp (34); the hydraulic pump (25) is communicated with an oil tank (24), and the oil tank (24) is fixed in the control cabinet (1); a first oil pipe (21) and a second oil pipe (22) are arranged on the swing oil cylinder (23), the first oil pipe (21) is communicated with the hydraulic pump (25), and the second oil pipe (22) is communicated with the oil tank (24); the hydraulic pump (25) is connected with the PLC.
4. The wind power coupling static torsion test stand according to claim 3, characterized in that: the pressure regulating valve (29) is arranged on the first oil pipe (21), the pressure regulating valve (29) is sequentially communicated with the speed regulating valve (28) and the reversing valve (27), the reversing valve (27) is communicated with the first oil pipe (21), and the reversing valve (27) is connected with the PLC.
5. The wind power coupling static torsion test stand according to claim 4, characterized in that: and a pressure gauge (26) is further arranged on the first oil pipe (21), and the pressure gauge (26) is positioned on a pipeline between the pressure regulating valve (29) and the hydraulic pump (25).
6. The wind power coupling static torsion test stand according to claim 2, characterized in that: and a connecting block (361) is arranged on one side of the torque lever (36), and the connecting block (361) is connected with the sensor (37).
7. The wind power coupling static torsion test stand according to claim 6, characterized in that: the sensor (37) is columnar, one end of the sensor (37) is in threaded connection with the connecting block (361), and the other end of the sensor (37) is in threaded connection with the base; the sensor (37) tests the pressure or tension of the connecting block (361).
8. The wind power coupling static torsion test stand according to claim 3, characterized in that: the swing angle of the swing oil cylinder (23) is-90 degrees, an encoder with an angle memory function is arranged in the swing oil cylinder, and the encoder is connected with the PLC.
9. The wind power coupling static torsion test stand according to claim 3, characterized in that: two through holes are formed in the top of the control cabinet (1), and the first oil pipe (21) and the second oil pipe (22) penetrate through the through holes to be communicated with the hydraulic pump (25) and the oil tank (24) respectively.
10. The wind power coupling static torsion test stand according to claim 2, characterized in that: the base (32) is made of nodular cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222818814.9U CN218674242U (en) | 2022-10-25 | 2022-10-25 | Static torsion test bed for wind power coupler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222818814.9U CN218674242U (en) | 2022-10-25 | 2022-10-25 | Static torsion test bed for wind power coupler |
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| Publication Number | Publication Date |
|---|---|
| CN218674242U true CN218674242U (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222818814.9U Active CN218674242U (en) | 2022-10-25 | 2022-10-25 | Static torsion test bed for wind power coupler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-10-25 CN CN202222818814.9U patent/CN218674242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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