CN118131042B - DD motor coil testing device and testing method thereof - Google Patents
DD motor coil testing device and testing method thereof Download PDFInfo
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- CN118131042B CN118131042B CN202410544480.1A CN202410544480A CN118131042B CN 118131042 B CN118131042 B CN 118131042B CN 202410544480 A CN202410544480 A CN 202410544480A CN 118131042 B CN118131042 B CN 118131042B
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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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Abstract
The invention discloses a DD motor coil testing device and a testing method thereof, which relate to the technical field of motor coil testing and comprise a testing workbench and a stator coil of a tested DD motor, wherein the top end of the testing workbench is provided with a slot, the bottom end of the slot is fixedly connected with a guide tube, the top end of the testing workbench at the outer side of the slot is slidably connected with a positioning lifting frame, and the outer side of the positioning lifting frame is provided with a line connection; a method of testing a DD motor coil, comprising the steps of: the stator coil to be detected is placed on the inner side of a conveying bracket, and is driven under the combined action of a first wheel carrier on the inner side of the conveying bracket and a moving wheel on the top end of a second wheel carrier; when the coil guiding groove is used, the turnover type storage bracket is adopted, and the storage bracket is used for pushing the coil guiding groove to the coil guiding groove.
Description
Technical Field
The invention relates to the technical field of testing of new energy automobile motors, in particular to a DD motor coil testing device and a testing method thereof.
Background
DD motors are a product of servo technology development. In the new energy automobile, the DD motor can directly drive wheels or related parts, so that high-efficiency and stable power output is realized. Compared with the traditional transmission system, the DD motor reduces mechanical clearance and transmission loss, improves the utilization rate of energy, and provides powerful support for the intelligent and automatic driving technology of new energy automobiles by accurately controlling the DD motor. The DD motor has the characteristics of a servo motor, and has the unique characteristics of low speed, large torque, simple structure, reduced mechanical loss, low noise, less maintenance and the like, so the DD motor is adopted by the field of new energy automobiles. The motor portion of a DD motor is typically formed of a stator and a rotor, wherein the stator is provided with an annular core and a coil winding is wound around the core. In the manufacturing process of the motor, performance detection is required to be performed on the stator of the motor so as to control the quality of a finished product of the motor.
The prior art discloses a stator testing machine of application number CN202220733836.2 (IPC class number G01R 31/34), pass through the line height detection mechanism and detect the back qualified stator and transfer it to the second by moving the material mechanism and place the seat on, the binding post on the electrode piece to the stator carries out the centre gripping and carries out the performance test through the performance detector, move the material mechanism and will accomplish the stator after removing dust and transfer to first place the seat on, the contact piece descends until with the line head contact of stator wire winding, measure the distance of decline through displacement sensor, thereby judge whether the line head of stator wire winding has the condition of superelevation.
However, the technical scheme provided by the application lacks of a mechanism design for feeding and discharging the stators before and after detection of a plurality of stators, and only adopts a material moving mechanism to carry out transfer treatment, so that the recovery work of the treated stators is troublesome; meanwhile, the inside influence test is not performed in the working state of the stator coil, the inside environment influence test is not performed in the working state of the DD motor coil of the new energy automobile, and the problem of incomplete test exists.
Disclosure of Invention
In order to solve the above-mentioned shortcomings in the prior art, the present invention is directed to a DD motor coil testing apparatus and a testing method thereof.
The aim of the invention can be achieved by the following technical scheme:
The DD motor coil testing device comprises a testing workbench for testing and a stator coil of a tested DD motor, wherein a slot is formed in the top end of the testing workbench, a guide pipe for guiding the movement of the stator coil of the DD motor of the new energy automobile for testing is fixedly connected to the bottom end of the slot, a positioning lifting frame is slidably connected to the top end of the testing workbench outside the slot, and a line connection port is formed in the outer side of the positioning lifting frame;
The top end of the test workbench is fixedly connected with a conveying bracket, and the top end of the test workbench is rotationally connected with a storage bracket capable of being switched in a turnover way;
The test bench bottom is provided with the promotion frame that is used for controlling to accomodate the support and overturns, promotes the inboard one end fixedly connected with that keeps away from the transmission support and is used for assisting in carrying out the supplementary frame of accomodating of new energy automobile DD motor stator coil, test bench top fixedly connected with promotes the case, promotes the case and sets up in the transmission support outside, test bench bottom fixed mounting has the support base, support base top sliding connection has the bearing to push away the frame.
Further, circuit switch-on fixed connection is in test bench top, and test bench inboard fixed mounting has the lift cylinder, and the lift cylinder is installed in the inboard bottom position of location crane, and lift cylinder output fixedly connected with lifting bottom plate, lifting bottom plate outside top fixed connection are in location crane bottom, and the steel ball that is used for carrying out the test has been placed to the location crane inboard.
Further, two conveying brackets are fixedly connected to the top end of the test workbench, the inner side of each conveying bracket is fixedly connected with a first wheel frame, the inner side of each first wheel frame is rotatably connected with a plurality of moving wheels, the bottom end of the inner side of each conveying bracket is fixedly connected with a bottom auxiliary frame, the top of a chute at the top end of each bottom auxiliary frame is fixedly connected with a second wheel frame, and the top end of each second wheel frame is rotatably connected with a plurality of moving wheels.
Further, accomodate support bottom fixedly connected with upset mount, accomodate support outside fixedly connected with coil and bear the weight of the frame, coil bears the weight of the inboard fixedly connected with of frame and guides the auxiliary stand, accomodate support inboard fixedly connected with and promote the support, accomodate the one end outside fixedly connected with coil that the support is close to the conveying support and remove the guiding slot.
Further, promote frame bottom fixedly connected with telescopic link, telescopic link bottom sliding connection has the cylinder connecting pipe, cylinder connecting pipe bottom fixedly connected with telescopic cylinder, telescopic cylinder bottom fixedly connected with cylinder pivot, cylinder pivot bottom rotation connection has the cylinder to connect the base.
Further, the inside fixedly connected with of supplementary frame of accomodating accomodates positioning spring, accomodates positioning spring and keeps away from the one end fixedly connected with of supplementary frame of accomodating and accomodates the locating plate.
Further, one end of the pushing box, which is close to the storage bracket, is fixedly connected with a pushing connection cylinder, one end of the pushing connection cylinder, which is far away from the pushing box, is slidably connected with a pushing rod, and one end of the pushing rod, which is far away from the pushing connection cylinder, is fixedly connected with a pushing connection plate;
the bearing pushing frame top is rotationally connected with a positioning cylinder connecting rod, the top end of the positioning cylinder connecting rod is slidably connected with a coil bracket rod, a steering fixing bracket is arranged on the outer side of the coil bracket rod and fixedly connected with the top end of a supporting base, and one end of the bearing pushing frame, far away from the steering fixing bracket, is fixedly connected with a rotating pushing frame.
Further, support the inboard sliding connection of base has the support chassis, supports chassis top sliding connection and connects the telescopic link, connects telescopic link top fixedly connected with and connects the swivelling joint pipe, and the one end fixedly connected with support that supports the base and be close to the bearing pushing away the frame removes the spout, and support removes spout top sliding connection and has the lift outer pole, and lift outer pole top sliding connection has the lift inner rod, and lift inner rod top sliding connection has the horizontal stand.
Further, the stator core is fixedly connected to the inner side of the stator coil, and the coil output end is fixedly connected to the outer side of the stator coil.
A testing method of a DD motor coil testing device comprises the following steps: step one: the stator coil to be detected is placed on the inner side of the conveying bracket, and is driven under the combined action of the moving wheels at the top ends of the first wheel frame and the second wheel frame on the inner side of the conveying bracket, so that the stator coil can enter the accommodating bracket through the conveying bracket, the step can be used for testing the quality of a stator core in the stator coil, and the stator coil is convenient to use;
Step two: when the stator coils move into the storage bracket through the conveying bracket, the auxiliary storage bracket on the inner side of the storage bracket is utilized to support the storage positioning springs, so that the storage positioning springs are folded by being matched with the storage positioning plates connected with the storage positioning springs, and the top ends of the storage brackets can bear a plurality of stator coils;
Step three: after the stator coil subjected to the first-round quality detection is stored in the previous step, the input of the stator coil is stopped, a telescopic cylinder is led to output to a telescopic rod, a pushing frame is led to push a turnover fixing frame at the top end, the turnover fixing frame is led to push a storage bracket to turn, the storage bracket is led to move to a position aligned with a coil moving guide groove, and then the stator coil is led to move through the coil moving guide groove by the aid of the guide auxiliary frame and the pushing bracket;
Step four: after the stator coil moves in the previous step, the stator coil on the outer side of the positioning lifting frame stays on the outer side of the positioning lifting frame, then the stator coil is connected by a circuit connection to prepare for stator winding testing, and a steel ball arranged on the inner side of the positioning lifting frame rotates under the action of a magnetic field, and the rotation is influenced by voltage, so that working state data of the DD motor coil can be acquired and processed by observing the rotation conditions of the steel ball under different voltages;
Step five: after data are collected, the actual state of the stator coil can be judged by analyzing three-phase voltage, current and temperature data of the stator coil, a worker can judge the state of the stator coil according to the actual state, the positioning lifting frame is driven by the lifting cylinder to move after analysis, the positioning lifting frame and steel balls in the positioning lifting frame are lowered, and then the pushing rod is driven by the pushing connection cylinder to move, so that the pushing connection plate pushes the stator coil to enter the outlet groove, and the guide pipe at the bottom end of the outlet groove can bear and guide the stator coil to move;
Step six: after the last step, stator coil will fall into coil cradling piece top and collect, utilize the shrink of support chassis after collecting, drive the connection rotation tube and remove, let the connection rotation tube drive bear and push away the frame, make bear and push away the frame upset, and remove under the cooperation of turning to the fixed bolster, let bear and push away the frame and turn over under the restriction of turning to the fixed bolster, make coil cradling piece synchronous driven the upset, simultaneously, it is also driven the upset to rotate to push away the frame, drive the horizontal support to top upset, the lift inner rod cooperation lift outer rod of horizontal support bottom realizes keeping the horizontality of horizontal support, and let support removal spout guide lift outer rod remove, maintain the level of horizontal support, realize utilizing the cooperation of bearing coil cradling piece to carry out the function of retrieving, after accomodating stator coil will all be placed in the horizontal support top, be convenient for carry out subsequent recovery processing.
The invention has the beneficial effects that:
1. According to the invention, the turnover type storage bracket is adopted, the storage bracket is used for carrying out pushing treatment by utilizing the pushing frame at the bottom end after storage, so that the storage bracket can be transported to the coil guide groove position at the other end, the coil can be moved to the position for testing after being subjected to a certain degree of performance test in the transmission process of the transmission bracket for testing, and can be transported to the outlet groove by utilizing the pushing box after the testing is finished, and then the coil can be moved to the top end of the rotating pushing frame for collection under the guide of the guide pipe, and finally the coil is subjected to final recovery treatment by utilizing the horizontal bracket at the bottom end, so that compared with the recovery scheme in the prior art, the recovery treatment work can be carried out more conveniently;
2. When the testing device is used for testing, the steel ball in the positioning lifting frame can be used for indirectly testing the stator coil of the DD motor of the new energy automobile, the influence on the internal rotor in the working state and the working process of the coil can be judged by observing the rotation condition of the steel ball under the action of the rotating magnetic field, and then the working state and the output state of the stator are judged.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the test bench according to the present invention;
FIG. 3 is a schematic view of the structure of the lifting base plate of the present invention;
FIG. 4 is a schematic view of the structure of the pushing frame of the present invention;
FIG. 5 is a schematic view of the structure of the accommodating bracket of the invention;
FIG. 6 is a schematic diagram of the overall structure of the present invention;
FIG. 7 is a schematic view of the structure of the push box of the present invention;
FIG. 8 is a schematic view of the structure of the carrier push frame of the present invention;
FIG. 9 is a schematic view of the support base structure of the present invention;
fig. 10 is an enlarged schematic view at a in fig. 9.
In the figure: 1. a test workbench; 11. discharging the groove; 12. a guide tube; 13. positioning a lifting frame; 14. a line on port; 15. lifting the bottom plate; 16. a lifting cylinder; 2. a conveying support; 21. a first wheel frame; 22. a moving wheel; 23. a bottom auxiliary frame; 24. a second wheel frame; 3. a storage bracket; 31. overturning the fixing frame; 32. a coil carrier; 33. a guide auxiliary frame; 34. pushing the bracket; 35. a coil moving guide groove; 4. a pushing frame; 41. a telescopic rod; 42. a cylinder connecting pipe; 43. a telescopic cylinder; 44. a cylinder rotating shaft; 45. the air cylinder is connected with the base; 5. an auxiliary storage rack; 51. receiving a positioning spring; 52. receiving a positioning plate; 6. pushing the box; 61. pushing the connecting cylinder; 62. a push rod; 63. pushing the connecting plate; 7. a bearing pushing frame; 71. positioning a cylinder connecting rod; 72. a coil bracket rod; 73. a steering fixing bracket; 74. rotating the pushing frame; 8. a support base; 81. a support chassis; 82. connecting a telescopic rod; 83. connecting a rotating tube; 84. the bracket moves the chute; 85. lifting the outer rod; 86. lifting the inner rod; 87. a horizontal bracket; 9. a stator coil; 91. a stator core; 92. and a coil output.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A DD motor coil testing device relates to a new energy automobile motor testing technology, and IPC classification number is G01R31/34.
As shown in fig. 1, including the stator coil 9 of test table 1 and tested DD motor, test table 1 top fixedly connected with conveying support 2, test table 1 top rotates and is connected with accomodates support 3 that can overturn, test table 1 bottom is provided with and is used for controlling accomodates support 3 and carries out the promotion frame 4 that overturns, the one end fixedly connected with of pushing away from conveying support 2 is assisted to accomodate frame 5, test table 1 top fixedly connected with promotes case 6, promote case 6 setting in conveying support 2 outside, test table 1 bottom fixedly mounted has supporting base 8, supporting base 8 top sliding connection has bears pushing away frame 7.
Bear the conveying support 2 and accomodate support 3 through test bench 1, promote the frame 4 and be used for carrying out movable control to accomodating support 3 to utilize supplementary accomodate 5 cooperation to accomodate support 3 and realize collecting the work to stator coil 9, promote the case 6 and be used for assisting the transfer work that carries out stator coil 9 after the test is accomplished, bear and push away the frame 7 cooperation and support base 8 and collect the work.
As shown in fig. 2 and 3, the top end of the test workbench 1 is provided with a slot 11, the bottom end of the slot 11 is fixedly connected with a guide tube 12, the top end of the test workbench 1 outside the slot 11 is slidably connected with a positioning lifting frame 13, the outer side of the positioning lifting frame 13 is provided with a line connection port 14, the line connection port 14 is fixedly connected with the top end of the test workbench 1, the inner side of the test workbench 1 is fixedly provided with a lifting cylinder 16, the lifting cylinder 16 is arranged at the bottom end position of the inner side of the positioning lifting frame 13, the output end of the lifting cylinder 16 is fixedly connected with a lifting bottom plate 15, the top end of the outer side of the lifting bottom plate 15 is fixedly connected with the bottom end of the positioning lifting frame 13, and a steel ball for testing is arranged at the inner side of the positioning lifting frame 13.
The test bench 1 is used for bearing the conveying support 2 and the storage support 3, the positioning lifting frame 13 at the top end of the test bench 1 is matched with the line connection port 14 to assist in testing of the DD motor stator coil of the new energy automobile, the steel ball inside the positioning lifting frame 13 is matched for testing, the guide pipe 12 at the bottom end and the outlet groove 11 are used for guiding movement of the stator coil 9, and the stator coil 9 can be moved to the top end of the bearing pushing frame 7 for recovery processing after being tested.
As shown in fig. 4, two conveying brackets 2 are fixedly connected to the top end of the test workbench 1, a first wheel frame 21 is fixedly connected to the inner side of the conveying brackets 2, a plurality of moving wheels 22 are rotatably connected to the inner side of the first wheel frame 21, a bottom auxiliary frame 23 is fixedly connected to the bottom end of the inner side of the conveying brackets 2, a second wheel frame 24 is fixedly connected to the top of a chute at the top end of the bottom auxiliary frame 23, and a plurality of moving wheels 22 are rotatably connected to the top end of the second wheel frame 24.
The stator coil 9 is moved in an auxiliary manner by the moving wheel 22 provided inside the first wheel frame 21 at the top end of the conveying bracket 2 and the second wheel frame 24 at the top end of the bottom auxiliary frame 23, so that the stator coil 9 can be moved correctly into the housing bracket 3.
As shown in fig. 5, the bottom end of the accommodating bracket 3 is fixedly connected with a turnover fixing frame 31, the outer side of the accommodating bracket 3 is fixedly connected with a coil bearing frame 32, the inner side of the coil bearing frame 32 is fixedly connected with a guiding auxiliary frame 33, the inner side of the accommodating bracket 3 is fixedly connected with a pushing bracket 34, and the outer side of one end of the accommodating bracket 3 close to the conveying bracket 2 is fixedly connected with a coil moving guiding groove 35.
The overturning fixing frame 31 at the bottom end of the storage bracket 3 is matched with the auxiliary storage bracket 3 to move, the guide of the movement of the stator coil 9 which is guided into the top of the storage bracket 3 is realized by utilizing the guide auxiliary frame 33 and the pushing bracket 34 inside the storage bracket 3, and the stator coil 9 can be correctly moved to the top end of the test workbench 1 through the coil movement guide groove 35.
As shown in fig. 6, the bottom end of the pushing frame 4 is fixedly connected with a telescopic rod 41, the bottom end of the telescopic rod 41 is slidably connected with a cylinder connecting pipe 42, the bottom end of the cylinder connecting pipe 42 is fixedly connected with a telescopic cylinder 43, the bottom end of the telescopic cylinder 43 is fixedly connected with a cylinder rotating shaft 44, and the bottom end of the cylinder rotating shaft 44 is rotatably connected with a cylinder connecting base 45.
The cylinder rotating shaft 44 is borne by the cylinder connecting base 45, so that the telescopic cylinder 43 is utilized to push the telescopic rod 41, the pushing frame 4 can drive the overturning fixing frame 31 which is connected with the outer side of the pushing frame in a rotating way, and the two states of the storage bracket 3 are switched.
As shown in fig. 5, the storage positioning spring 51 is fixedly connected to the inner side of the auxiliary storage rack 5, and the storage positioning plate 52 is fixedly connected to one end of the storage positioning spring 51 away from the auxiliary storage rack 5.
The storage and storage of the plurality of stator coils 9 are realized by folding the storage and positioning springs 51 on the inner side of the auxiliary storage rack 5 in cooperation with the storage and positioning plate 52.
As shown in fig. 7, a pushing connection cylinder 61 is fixedly connected to one end of the pushing box 6 close to the storage bracket 3, a pushing rod 62 is slidably connected to one end of the pushing connection cylinder 61 away from the pushing box 6, and a pushing connection plate 63 is fixedly connected to one end of the pushing rod 62 away from the pushing connection cylinder 61.
The push rod 62 is pushed by the push connection cylinder 61 at the front end of the push box 6, so that the push rod 62 pushes the push connection plate 63, and the push connection plate 63 pushes the stator coil 9 to perform the movement work after the test.
As shown in fig. 8, the top end of the bearing pushing frame 7 is rotatably connected with a positioning cylinder connecting rod 71, the top end of the positioning cylinder connecting rod 71 is slidably connected with a coil bracket rod 72, a steering fixing bracket 73 is arranged on the outer side of the coil bracket rod 72, the steering fixing bracket 73 is fixedly connected with the top end of the supporting base 8, and one end of the bearing pushing frame 7 far away from the steering fixing bracket 73 is fixedly connected with a rotating pushing frame 74.
The coil bracket rod 72 at the top end is borne by the positioning cylinder connecting rod 71 which bears the inner side of the push frame 7, and meanwhile, the coil bracket rod 72 is supported by the steering fixing bracket 73, so that the coil bracket rod 72 is assisted to be separated and steered in the moving process of the positioning cylinder connecting rod 71, and the follow-up recovery processing work is facilitated.
As shown in fig. 9, the inner side of the support base 8 is slidably connected with a support chassis 81, the top end of the support chassis 81 is slidably connected with a connecting telescopic rod 82, the top end of the connecting telescopic rod 82 is fixedly connected with a connecting rotating pipe 83, one end of the support base 8, which is close to the bearing pushing frame 7, is fixedly connected with a support moving sliding chute 84, the top end of the support moving sliding chute 84 is slidably connected with a lifting outer rod 85, the top end of the lifting outer rod 85 is slidably connected with a lifting inner rod 86, and the top end of the lifting inner rod 86 is slidably connected with a horizontal support 87.
The support outside the support base 8 moves the spout 84 to bear the lifting outer rod 85, thereby realize letting the lifting outer rod 85 cooperate with the lifting inner rod 86, let the lifting inner rod 86 maintain the level of the horizontal support 87, in the process of carrying and pushing the frame 7 to overturn, rotate and push the frame 74 and drive the horizontal support 87 to rise, this in-process utilizes the lifting inner rod 86 to maintain the level of the horizontal support 87, the cylinder movably mounted inside the support chassis 81 inside the support base 8 pushes the connecting telescopic rod 82, thereby realize utilizing the connecting telescopic rod 82 to drive the connecting rotary pipe 83 to move, thereby realize driving and bear the upset of pushing the frame 7.
As shown in fig. 10, a stator core 91 is fixedly connected to the inside of the stator coil 9, and a coil output end 92 is fixedly connected to the outside of the stator coil 9.
The stator core 91 is supported by the stator coil 9, so that the stator core 91 is supported and accommodated, and the coil output end 92 is used for being matched with the communication work of the coil.
A testing method of a DD motor coil testing device comprises the following steps:
Step one: the stator coil 9 to be detected is placed on the inner side of the conveying bracket 2, the stator coil 9 is driven under the combined action of the moving wheels 22 at the top ends of the first wheel frame 21 and the second wheel frame 24 on the inner side of the conveying bracket 2, so that the stator coil 9 can enter the accommodating bracket 3 through the conveying bracket 2, the step can be used for testing the quality of the stator core 91 in the stator coil 9, and the stator coil 9 is convenient to use;
Step two: when the stator coils 9 move into the storage bracket 3 through the conveying bracket 2, the storage positioning springs 51 are supported by the auxiliary storage bracket 5 on the inner side of the storage bracket 3, and the storage positioning springs 51 are folded by matching with the storage positioning plates 52 connected with the storage positioning springs, so that the top end of the storage bracket 3 can bear a plurality of stator coils 9;
Step three: after the stator coil 9 subjected to the first round of quality detection is stored in the previous step, the input of the stator coil 9 is stopped, the telescopic cylinder 43 is output to the telescopic rod 41, the pushing frame 4 pushes the overturning fixing frame 31 at the top end, the overturning fixing frame 31 pushes the storage bracket 3 to overturn, the storage bracket 3 moves to a position aligned with the coil moving guide groove 35, and then the stator coil 9 moves through the coil moving guide groove 35 by the guidance of the guiding auxiliary frame 33 and the assistance of the pushing bracket 34;
Step four: after the movement in the previous step, the stator coil 9 will move to the outside of the positioning lifting frame 13, the stator coil 9 on the outside will stay at the outside of the positioning lifting frame 13, then the stator coil 9 is connected by the line connection port 14 to prepare for the stator winding test, the steel ball arranged on the inside of the positioning lifting frame 13 will rotate under the effect of the magnetic field, the rotation will be influenced by the voltage, therefore, the working state data of the DD motor coil can be acquired and processed by observing the rotation condition of the steel ball under different voltages;
DD motor stator windings use voltage regulators as power supplies when testing three-phase voltages, currents, detection and rotating magnetic fields, as in the prior art: zhengtai (CHNT) voltage regulator TSGC-9. During testing, the three-phase output end of the voltage regulator is directly connected with the stator three-phase winding. According to the size of the DD motor stator core, the steel ball at the top of the positioning lifting frame 13 is utilized in the stator core to gradually increase the voltage in a safe voltage range, and at the moment, the steel ball rotates under the action of a rotating magnetic field, and meanwhile, the three-phase voltage and current of a stator winding can be detected. The method is safe and reliable, and can utilize the existing temperature test sensor, such as the existing temperature sensor TaoTimeClub DS B2 temperature measuring module temperature sensor module, so that the data of the temperature of the stator coil and the like can be directly detected outside.
Step five: after data are collected, the actual state of the stator coil 9 can be judged by analyzing three-phase voltage, current and temperature data of the stator coil, a worker can judge the state of the stator coil 9 according to the actual state, the positioning lifting frame 13 is driven to move by the lifting cylinder 16 after analysis, the positioning lifting frame 13 and steel balls in the positioning lifting frame are enabled to descend, the pushing rod 62 is driven to move by the pushing connecting cylinder 61, the pushing connecting plate 63 is enabled to push the stator coil 9 to enter the outlet groove 11, and the guide tube 12 at the bottom end of the outlet groove 11 can bear and guide the stator coil 9 to move;
Step six: after the previous step, the stator coil 9 will fall into the top end of the coil bracket rod 72 for collection, after collection, the support underframe 81 is contracted, the connecting rotating tube 83 is driven to move, the connecting rotating tube 83 drives the positioning cylinder connecting rod 71, the coil bracket rod 72 overturns, and moves under the cooperation of the steering fixed bracket 73, the coil bracket rod 72 overturns under the limitation of the steering fixed bracket 73, the coil bracket rod 72 is driven to overturn, the rotating push frame 74 is driven to overturn at the same time, the horizontal bracket 87 is driven to overturn towards the top end, the lifting inner rod 86 at the bottom end of the horizontal bracket 87 is matched with the lifting outer rod 85 to achieve the horizontal state of the horizontal bracket 87, the bracket moving chute 84 is used for guiding the lifting outer rod 85 to move, the level of the horizontal bracket 87 is maintained, the function of carrying the coil bracket rod 72 matched with the horizontal bracket 87 for recycling is achieved, and the stator coil 9 will be fully placed on the top end of the horizontal bracket 87 after storage, so that the subsequent recycling treatment is facilitated.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (2)
1. The DD motor coil testing device comprises a testing workbench (1) for testing and a stator coil (9) of a DD motor to be tested, and is characterized in that an outlet groove (11) is formed in the top end of the testing workbench (1), a guide pipe (12) for guiding the stator coil of the DD motor of a new energy automobile for testing to move is fixedly connected to the bottom end of the outlet groove (11), a positioning lifting frame (13) is slidably connected to the top end of the testing workbench (1) outside the outlet groove (11), and a line connection port (14) is formed in the outer side of the positioning lifting frame (13);
The top end of the test workbench (1) is fixedly connected with a conveying bracket (2), and the top end of the test workbench (1) is rotatably connected with a storage bracket (3) capable of being overturned and switched;
the automatic testing device is characterized in that a pushing frame (4) for controlling the storage bracket (3) to overturn is arranged at the bottom end of the testing workbench (1), an auxiliary storage frame (5) for assisting in carrying out DD motor stator coils of a new energy automobile is fixedly connected to one end, away from the conveying bracket (2), of the inner side of the pushing frame (4), a pushing box (6) is fixedly connected to the top end of the testing workbench (1), the pushing box (6) is arranged on the outer side of the conveying bracket (2), a supporting base (8) is fixedly arranged at the bottom end of the testing workbench (1), and a bearing pushing frame (7) is slidably connected to the top end of the supporting base (8);
the circuit connecting device is characterized in that the circuit connecting device (14) is fixedly connected to the top end of the test workbench (1), a lifting cylinder (16) is fixedly arranged on the inner side of the test workbench (1), the lifting cylinder (16) is arranged at the bottom end position of the inner side of the positioning lifting frame (13), the output end of the lifting cylinder (16) is fixedly connected with a lifting bottom plate (15), the top end of the outer side of the lifting bottom plate (15) is fixedly connected to the bottom end of the positioning lifting frame (13), and a steel ball for testing is arranged on the inner side of the positioning lifting frame (13);
The two conveying supports (2) are fixedly connected to the top end of the test workbench (1), the inner side of each conveying support (2) is fixedly connected with a first wheel frame (21), the inner side of each first wheel frame (21) is rotatably connected with a plurality of moving wheels (22), the bottom end of the inner side of each conveying support (2) is fixedly connected with a bottom auxiliary frame (23), the top of a chute at the top end of each bottom auxiliary frame (23) is fixedly connected with a second wheel frame (24), and the top end of each second wheel frame (24) is rotatably connected with a plurality of moving wheels (22);
The coil moving device comprises a storage bracket (3), a turnover fixing frame (31) is fixedly connected to the bottom end of the storage bracket (3), a coil bearing frame (32) is fixedly connected to the outer side of the storage bracket (3), a guide auxiliary frame (33) is fixedly connected to the inner side of the coil bearing frame (32), a pushing bracket (34) is fixedly connected to the inner side of the storage bracket (3), and a coil moving guide groove (35) is fixedly connected to the outer side of one end, close to a conveying bracket (2), of the storage bracket (3);
The bottom end of the pushing frame (4) is fixedly connected with a telescopic rod (41), the bottom end of the telescopic rod (41) is slidably connected with a cylinder connecting pipe (42), the bottom end of the cylinder connecting pipe (42) is fixedly connected with a telescopic cylinder (43), the bottom end of the telescopic cylinder (43) is fixedly connected with a cylinder rotating shaft (44), and the bottom end of the cylinder rotating shaft (44) is rotatably connected with a cylinder connecting base (45);
The inner side of the auxiliary storage rack (5) is fixedly connected with a storage positioning spring (51), and one end, far away from the auxiliary storage rack (5), of the storage positioning spring (51) is fixedly connected with a storage positioning plate (52);
one end of the pushing box (6) close to the storage bracket (3) is fixedly connected with a pushing connection cylinder (61), one end of the pushing connection cylinder (61) far away from the pushing box (6) is slidably connected with a pushing rod (62), and one end of the pushing rod (62) far away from the pushing connection cylinder (61) is fixedly connected with a pushing connection plate (63);
The coil bracket is characterized in that a positioning cylinder connecting rod (71) is rotationally connected to the top end of the bearing pushing frame (7), a coil bracket rod (72) is slidably connected to the top end of the positioning cylinder connecting rod (71), a steering fixing bracket (73) is arranged on the outer side of the coil bracket rod (72), the steering fixing bracket (73) is fixedly connected to the top end of the supporting base (8), and a rotating pushing frame (74) is fixedly connected to one end, far away from the steering fixing bracket (73), of the bearing pushing frame (7);
The inner side of the support base (8) is slidably connected with a support underframe (81), the top end of the support underframe (81) is slidably connected with a connecting telescopic rod (82), the top end of the connecting telescopic rod (82) is fixedly connected with a connecting rotating pipe (83), one end of the support base (8) close to the bearing pushing frame (7) is fixedly connected with a support moving chute (84), the top end of the support moving chute (84) is slidably connected with a lifting outer rod (85), the top end of the lifting outer rod (85) is slidably connected with a lifting inner rod (86), and the top end of the lifting inner rod (86) is slidably connected with a horizontal support (87);
stator core (91) is fixedly connected with inside stator coil (9), and coil output (92) is fixedly connected with outside stator coil (9).
2. A test method of a DD motor coil test apparatus for testing a DD motor coil of a new energy vehicle according to claim 1, comprising the steps of:
Step one: the stator coil (9) to be detected is placed inside the conveying support (2), the stator coil (9) is driven under the combined action of the moving wheels (22) at the top ends of the first wheel frame (21) and the second wheel frame (24) inside the conveying support (2), the stator coil (9) can enter the accommodating support (3) through the conveying support (2), the step can be used for testing the quality of the stator core (91) inside the stator coil (9), and the stator coil (9) is convenient to use;
Step two: when the stator coils (9) move into the storage bracket (3) through the conveying bracket (2), the storage positioning springs (51) are supported by the auxiliary storage bracket (5) on the inner side of the storage bracket (3), the storage positioning springs (51) are folded by matching with the storage positioning plates (52) connected with the storage positioning springs, and the top ends of the storage bracket (3) can bear a plurality of stator coils (9);
Step three: after the stator coil (9) subjected to the first round of quality detection is stored in the previous step, the input of the stator coil (9) is stopped, a telescopic cylinder (43) is led to output to a telescopic rod (41), a pushing frame (4) is led to push a turnover fixing frame (31) at the top end, the turnover fixing frame (31) is led to push a storage bracket (3) to turn, the storage bracket (3) is led to move to a position aligned with a coil moving guide groove (35), and then the stator coil (9) is led to move through the coil moving guide groove (35) by the aid of the guide of a guide auxiliary frame (33) and the pushing support frame (34);
Step four: after the stator coil (9) moves to the outer side of the positioning lifting frame (13), the stator coil (9) on the outer side of the positioning lifting frame (13) stays at the outer side of the positioning lifting frame, then the stator coil (9) is connected by a line connection port (14) to prepare for stator winding test, and a steel ball arranged on the inner side of the positioning lifting frame (13) rotates under the action of a magnetic field, and the rotation is influenced by voltage, so that the working state data of the DD motor coil can be acquired and processed by observing the rotation conditions of the steel ball under different voltages;
Step five: after data are collected, the actual state of the stator coil (9) can be judged by analyzing three-phase voltage, current and temperature data of the stator coil, a worker can judge the state of the stator coil (9) according to the actual state, the positioning lifting frame (13) is driven to move by the lifting cylinder (16) after analysis, the positioning lifting frame (13) and steel balls in the positioning lifting frame are enabled to descend, the pushing rod (62) is driven to move by the pushing connection cylinder (61), the pushing connection plate (63) is enabled to push the stator coil (9) to enter the outlet groove (11), and the guide pipe (12) at the bottom end of the outlet groove (11) can bear and guide the stator coil (9) to move;
Step six: after the last step, stator coil (9) will fall into coil bracket pole (72) top and collect, utilize support chassis (81) shrink after collecting, drive and connect rotation tube (83) and remove, let connection rotation tube (83) drive location cylinder connecting rod (71), make coil bracket pole (72) upset, and move under the cooperation of turning to fixed bolster (73), let coil bracket pole (72) turn over under the restriction of turning to fixed bolster (73), make coil bracket pole (72) synchronous being driven the upset, simultaneously rotate pushing frame (74) also be driven the upset, drive horizontal support (87) to top upset, the lift inner rod (86) of horizontal support (87) bottom cooperates lift outer rod (85) to realize keeping the horizontality of horizontal support (87), and let support removal spout (84) guide lift outer rod (85) remove, maintain the horizontality of horizontal support (87), realize utilizing the cooperation horizontal support (87) of bearing coil bracket pole (72) to carry out the function of retrieving, after accomodating, stator coil (9) will all place in horizontal support (87) top, the subsequent recovery of being convenient for carry out.
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| CN116337303A (en) * | 2023-03-31 | 2023-06-27 | 青岛智和精密科技有限公司 | Output torque detection equipment of torque motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4808932A (en) * | 1987-05-15 | 1989-02-28 | Electric Power Research Institute, Inc. | Rotor fault and location detector for induction motors |
| IL124932A0 (en) * | 1998-06-16 | 1999-01-26 | Mea Motor Inspection Ltd | Method and apparatus for testing rotating machines |
| CN216490079U (en) * | 2021-12-31 | 2022-05-10 | 中磁动力设备(深圳)有限公司 | Energy storage motor based on flywheel rotor |
| CN217766741U (en) * | 2022-03-31 | 2022-11-08 | 深圳市合力士机电设备有限公司 | Stator testing machine |
| CN217425611U (en) * | 2022-05-18 | 2022-09-13 | 深圳市凯昇科技有限公司 | Automatic motor testing machine |
| CN117233599B (en) * | 2023-09-11 | 2024-05-10 | 浙江科恩特电机科技有限公司 | Radial magnetic bearing stator testing device and stator testing system |
| CN117451359B (en) * | 2023-12-21 | 2024-02-27 | 青岛智和精密科技有限公司 | Moment motor bearing durability test equipment and method thereof |
| CN117589368B (en) * | 2024-01-16 | 2024-04-09 | 莫安迪(苏州)电机技术有限公司 | Rotor quality detection device and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505806A (en) * | 2016-12-22 | 2017-03-15 | 珠海市精实测控技术有限公司 | Stator detection and assembling all-in-one |
| CN116337303A (en) * | 2023-03-31 | 2023-06-27 | 青岛智和精密科技有限公司 | Output torque detection equipment of torque motor |
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