A stator performance testing device

Abstract

The present application relates to the technical field of motor manufacturing, and discloses a stator performance testing device. The stator performance testing device comprises a workbench, a positioning structure, a jacking structure and a testing and clamping assembly. The workbench is provided with a placing seat, the bottom of the placing seat is provided with a first through hole, and the stator is placed in the placing seat. The positioning structure is telescopically arranged on the workbench. The jacking structure comprises a jacking assembly and a positioning fixing piece. The jacking assembly is arranged on the workbench, and the positioning fixing piece is arranged on the jacking assembly. The placing seat is located between the positioning structure and the positioning fixing piece. The diameter of the first through hole is greater than the diameter of the positioning fixing piece and smaller than the diameter of the stator. The jacking assembly drives the positioning fixing piece to extend into the first through hole and insert into the stator core, so as to jack up the stator to a predetermined height position. The testing and clamping assembly is arranged on the positioning structure and located on one side of the positioning structure, and is used for clamping terminals to test the performance of the stator. The automatic testing is realized, the testing efficiency is improved, the comprehensive testing rate is improved, and the testing accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor manufacturing, in particular to a stator performance testing device. BACKGROUND

[0002] The motor stator is an important component of the motor such as generator and starter, the motor stator is an important part of the motor, the motor stator is composed of stator core, stator winding and base, the main function of the motor stator is to generate rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines in the rotating magnetic field to generate (output) current, the motor stator usually needs to be detected after production.

[0003] At present, the motor stator manufacturers all test the electrical performance of the motor stator manually, the test efficiency is low, and the manual test has the problems of misjudgment and missed detection. SUMMARY

[0004] The main purpose of the present application is to provide a stator performance testing device, which aims to solve the technical problems of low test efficiency and misjudgment and missed detection caused by manual test of the existing stator performance testing device.

[0005] To achieve the above purpose, the present application provides a stator performance testing device, which comprises a workbench, a placing seat is arranged on the workbench, a first through hole is arranged at the bottom of the placing seat, and the stator is placed in the placing seat.

[0006] A positioning structure is arranged on the workbench in an extendable manner, and is used for positioning the stator.

[0007] A jacking structure comprises a jacking assembly and a positioning fixing piece, the jacking assembly is arranged on the workbench, the positioning fixing piece is arranged on the output end of the jacking assembly, the placing seat is located between the positioning structure and the positioning fixing piece, the diameter of the first through hole is greater than the diameter of the positioning fixing piece and less than the diameter of the stator, the jacking assembly drives the positioning fixing piece to extend into the first through hole and insert into the stator core, and the jacking structure is used for jacking the stator to a predetermined height position.

[0008] A test clamping assembly is arranged on the positioning structure and located on one side of the positioning structure, and is used for clamping the terminal test stator performance.

[0009] Optionally, in an embodiment, the positioning fixing piece is a positioning shaft, the positioning shaft is inserted into the through hole of the stator core to form fixation.

[0010] Optionally, in an embodiment, the jacking assembly comprises a first driving member and an extension table, one end of the first driving member is arranged on the workbench, the other end of the first driving member is arranged on the extension table, the positioning fixing member is arranged on the extension table, and the first driving member drives the extension table to move upward or downward.

[0011] Optionally, in an embodiment, the extension table comprises a fixed plate, a first guide rod and a second guide rod, one end of the first guide rod and one end of the second guide rod are arranged on the workbench, the other end of the first guide rod and the other end of the second guide rod are respectively arranged on the opposite ends of the fixed plate in a sliding manner, and the output end of the first driving member is arranged on the fixed plate.

[0012] Optionally, in an embodiment, the positioning structure comprises a second driving member and a positioning assembly, the second driving member is arranged on the workbench, the positioning assembly is arranged on the output end of the second driving member, and the second driving member drives the positioning assembly to move upward or downward.

[0013] Optionally, in an embodiment, the positioning assembly comprises a fixed frame, a third guide rod, an elastic reset member and a pressing head, the fixed frame is arranged on the output end of the second driving member, one end of the third guide rod is arranged on the fixed frame, the elastic reset member is arranged on the third guide rod in a telescopic manner, the pressing head is arranged on the third guide rod in a sliding manner, and the pressing head is connected with the elastic reset member.

[0014] Optionally, in an embodiment, the terminals are arranged at least 4, the test clamping assembly comprises at least 4 test members, each test member is arranged on the positioning structure, and each test member corresponds to clamp each terminal respectively.

[0015] Optionally, in an embodiment, the test member comprises a third driving member and a test clamp, the test clamp is arranged on the output end of the third driving member, the third driving member is arranged on the positioning structure, and the test clamp clamps the terminal; and / or, the stator performance test device further comprises a grounding assembly, the grounding assembly comprises a fourth driving member and a grounding contact, the fourth driving member is arranged on the positioning structure, the grounding contact is arranged on the output end of the fourth driving member, and the grounding contact is connected with the stator core.

[0016] Optionally, in an embodiment, the positioning fixing member is a positioning shaft, one end of the positioning shaft is arranged on the jacking assembly, the outer peripheral sidewall of the other end of the positioning shaft is provided with a plurality of uniformly distributed elastic members, one end of the positioning shaft provided with the elastic members is inserted into the through hole of the stator core, and the plurality of elastic members abut against the inner sidewall of the positioning core to form fixation.

[0017] Optionally, in an embodiment, the outer peripheral sidewall of the other end of the positioning shaft is respectively provided with a second through hole corresponding to each of the elastic members, and the elastic member is in an "S" shape structure.

[0018] In the technical solution provided by the present application, the stator is placed in the placement seat with the first through hole on the workbench, and then the positioning structure is arranged on the workbench in an extendable manner, and the test clamping assembly is arranged on the positioning structure, so that the positioning structure drives the test clamping assembly to move up or down at the same time, reduces the driving member, and makes the structure design of the stator performance testing device compact, simple and efficient. The positioning of the stator is realized at the same time as the performance testing of the stator, the jacking structure is arranged on the workbench, the jacking structure includes a jacking assembly and a positioning fixing member, the jacking assembly is arranged on the workbench, the positioning fixing member is arranged on the output end of the jacking assembly, the placement seat is located between the positioning structure and the positioning fixing member, the diameter of the first through hole is greater than the diameter of the positioning fixing member and less than the diameter of the stator, the jacking assembly drives the positioning fixing member to extend into the first through hole and insert into the stator core, so that the jacking assembly can independently jacking the stator to a predetermined height position, and then the positioning structure and the test clamping assembly are lowered, the positioning structure positions the stator, and the test clamping assembly clamps the terminal to perform performance testing, realizing automatic testing, improving testing efficiency, improving comprehensive testing rate and improving testing accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0019] One or more embodiments are illustrated by way of example in the accompanying drawings that are not intended to be limiting of the embodiments. The meaning of a reference number that is the same in different drawings is the same, unless otherwise specified. The drawings in the accompanying drawings are not to scale.

[0020] Figure 1 The structure schematic view of the stator performance testing device of one embodiment of the present application is installed on the workbench;

[0021] Figure 2 The structure schematic view of the stator performance testing device of one embodiment of the present application is installed on the workbench; Figure 1 The partial enlarged view of A in the structure schematic view of the stator performance testing device of one embodiment of the present application is installed on the workbench;

[0022] Figure 3 The structure schematic view of the stator performance testing device of one embodiment of the present application is installed on the workbench;

[0023] Figure 4 This is a first-view planar schematic diagram of a stator performance testing device according to an embodiment of the present invention;

[0024] Figure 5 for Figure 4 Sectional view at point BB;

[0025] Figure 6 for Figure 4 A magnified view of a section at point C;

[0026] Figure 7 This is a planar schematic diagram of the test structure and positioning structure according to an embodiment of the present invention;

[0027] Figure 8 for Figure 7 Sectional view at point DD;

[0028] Figure 9 for Figure 7 A magnified view of a section at point E in the middle;

[0029] The components include: 100, stator performance testing device; 10, workbench; 101, frame; 102, turntable; 103, placement seat; 104, first through hole; 20, positioning structure; 201, second driving component; 202, positioning assembly; 203, fixing frame; 204, third guide rod; 205, elastic reset component; 206, pressure head; 207, fixing connector; 30, lifting structure; 31, positioning fixing component; 32, lifting assembly; 321, first driving component; 322, telescopic platform; 323, fixing plate; 324, first guide rod; 325, second guide rod; 328, guide sleeve; 40, test clamp assembly; 401, test piece; 402, third driving component; 403, test clamp; 50, grounding assembly; 501, fourth driving component; 502, grounding contact; 600, stator; 60, stator core; 70, terminal. Detailed Implementation

[0030] For the purpose of clarity, the present application will be described in more detail below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The term "vertical", "horizontal", "left", "right", "inner", "outer", and similar terms as used herein are for the purpose of illustration only. The terms "first", "second", "third", etc. as used herein are used only for descriptive purposes and do not imply relative importance of the indicated technical features. Thus, unless otherwise stated, features defined with "first", "second" or "third" can include one or more of such features either explicitly or implicitly; "plurality" means two or more. The term "comprising" and its derivatives as used herein are used in the inclusive sense of "including" and are not used in the exclusive sense of "consisting only of".

[0031] In addition, unless explicitly stated otherwise and / or limited in context, the terms "mounting", "connected", "connecting" should be construed broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication of two elements. All technical and scientific terms used in the specification have the same meaning as understood by those skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification includes any and all combinations of one or more of the related listed items.

[0032] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0033] Please refer to Figures 1 to 9 Embodiments of the present application disclose a stator performance testing device 100.

[0034] In an embodiment, as Figures 1 to 9As shown, the stator performance testing device 100 includes a workbench 10, a positioning structure 20, a jacking structure 30 and a testing clamping assembly 40. Among them, the stator performance testing device 100 is used for performance testing of the stator 600, the stator 600 includes a stator core 60, a winding group wound on the stator core 60, and a terminal 70 inserted on the stator core 60, the performance of the stator 600 is tested through the terminal 70, and the performance testing of the stator 600 is one or more of electrical strength testing, direct current resistance testing, turn-to-turn insulation testing, and inductance testing, which are all electrical performance tests, so insulation is required when testing the performance of the stator 600.

[0035] The workbench 10 includes a rack 101 and a turntable 102, the turntable 102 is rotatably arranged on the rack 101 and protrudes from the rack 101, so that the turntable 102 and the rack 101 maintain a certain distance in the vertical direction, one end of a placing seat 103 passes through the turntable 102 and is arranged on the turntable 102, the bottom of the placing seat 103 is provided with a first through hole 104, the first through hole 104 is used for the jacking structure 30 to extend into or out of the placing seat 103, so as to facilitate the jacking structure 30 to jacking the stator 600, and the material of the placing seat 103 is metal.

[0036] The positioning structure 20 is used for positioning the stator 600, and the positioning structure 20 is telescopically arranged on the rack 101.

[0037] The jacking structure 30 is used for jacking the stator 600 to a predetermined height position, and the jacking structure 30 includes a jacking assembly 32 and a positioning fixing piece 31, one end of the jacking assembly 32 is arranged on the rack 101, and the positioning fixing piece 31 is arranged on the output end of the jacking assembly 32, so that the jacking assembly 32 can drive the positioning fixing piece 31 to move upward or downward, and the placing seat 103 is located between the positioning structure 20 and the positioning fixing piece 31, so that the stator 600 can be positioned and compressed after the stator 600 is jacked, and the diameter of the first through hole 104 is greater than the diameter of the positioning fixing piece 31 and less than the diameter of the stator core 60, so that the positioning fixing piece 31 can extend into or out of the first through hole 104, and the stator 600 can be placed on the placing seat 103 without falling, so that the jacking assembly 32 can drive the positioning fixing piece 31 to extend into the first through hole 104 and insert into the stator core 60 of the stator 600 placed in the placing seat 103, forming a fixed, so as to jacking the stator 600 to a predetermined height alone, avoiding jacking the placing seat 103 together, resulting in the stator 600 cannot be insulated, thereby causing inaccurate test results or short circuit. The material of the positioning fixing piece 31 is an insulating material.

[0038] The test clamping assembly 40 is arranged on the positioning structure 20 and located on one side of the positioning structure 20, so that the positioning structure 20 drives the test clamping assembly 40 to descend to the stator 600 while descending, and thus the test clamping assembly 40 can clamp the terminal 70 to test the performance of the stator 600. The automatic test is realized, and the test efficiency, the overall test rate and the test accuracy are improved.

[0039] In an embodiment, the stator core 60 is inserted with at least 4 terminals 70, and the test clamping assembly 40 respectively corresponds to at least 4 test pieces 401. Each test piece 401 is arranged on the positioning structure 20, and each test piece 401 respectively clamps each terminal 70 to test the performance. The number of the terminals 70 and the test pieces 401 is not limited in the embodiment, and the number of the terminals 70 and the test pieces 401 can be 1, 2, 3, 4, 5, 6 or 7, etc.

[0040] Specifically, the test piece 401 includes a third driving piece 402 and a test clamp 403. The third driving piece 402 is arranged on the positioning structure 20, so that the positioning structure 20 drives the third driving piece 402 to descend while descending. The test clamp 403 is arranged on the output end of the third driving piece 402, so that the third driving piece 402 can drive the test clamp 403 to clamp the terminal 70 to test the performance, or release the terminal 70 after the performance test. The third driving piece 402 can be a pneumatic cylinder.

[0041] In an embodiment, the stator performance test device 100 further includes a grounding assembly 50. The grounding assembly 50 includes a fourth driving piece 501 and a grounding contact 502. The fourth driving piece 501 is arranged on the positioning structure 20, so that the positioning structure 20 drives the grounding assembly 50 to descend while descending, so that the grounding assembly 50 can be grounded to the stator 600. The grounding contact 502 is arranged on the output end of the fourth driving piece 501. When the positioning structure 20 descends, the grounding assembly 50 is lowered to the vicinity of the stator 600, and then the fourth driving piece 501 drives the grounding contact 502 to contact the stator core 60 to realize grounding connection, so as to reduce the harm of electric current to equipment and personnel. Grounding can effectively prevent electric shock accidents and protect personal safety. The test structure and the grounding assembly 50 are arranged on the positioning structure 20 at the same time, so that the positioning structure 20 drives the test structure and the grounding assembly 50 to descend to the vicinity of the stator 600 while descending. Without one structure corresponding to one driving piece, the stator performance test device 100 has compact structure design, simple structure and high working efficiency.

[0042] In an embodiment, the positioning fixing member 31 is a positioning shaft, one end of the positioning shaft is arranged on the output end of the jacking assembly 32, the other end of the positioning shaft is inserted into the through hole of the stator core 60, and the positioning shaft is fixed, so that the jacking structure 30 can independently jack up the stator 600, and insulation of the stator 600 is realized.

[0043] In another embodiment, a plurality of elastic members (not shown in the figure) are arranged on the outer side wall of one end of the positioning shaft inserted into the stator core 60, and a second through hole (not shown in the figure) for accommodating each elastic member is arranged on the outer side wall of one end of the positioning shaft inserted into the stator core 60, and the elastic member is in an “S” shape structure, and the opposite ends of the elastic member are arranged on the opposite ends of the second through hole, respectively. The elastic member has a first protruding part and a second protruding part in the “S” shape structure, the first protruding part protrudes towards the stator core 60, and the second protruding part protrudes towards the inside of the positioning shaft. When the positioning shaft provided with the elastic member is inserted into the through hole of the stator core 60, the first protruding part protrudes from the second through hole and abuts against the inner side wall of the stator core 60, thereby fixing the stator core 60 on the positioning shaft. The elastic member is made of a material with elasticity, so that the elastic member in the “S” shape structure has better elasticity, and the positioning shaft can be fixed on stators 600 of different sizes within a certain range, thereby providing the versatility of the stator performance testing device 100.

[0044] In an embodiment, as shown in Figures 3-6 The jacking assembly 32 includes a first driving member 321 and a telescopic table 322, one end of the first driving member 321 is arranged on the workbench 10, the other end of the first driving member 321 is arranged on the telescopic table 322, and the positioning fixing member 31 is arranged on the telescopic table 322. The first driving member 321 drives the telescopic table 322 to move upward or downward, and the first driving member 321 can be a pneumatic cylinder. In the working state, the first driving member 321 drives the telescopic table 322 to move upward while driving the positioning fixing member 31 to move upward, so that the positioning fixing member 31 can extend into the placing seat 103 through the first through hole 104 to jack up the stator 600 placed in the placing seat 103. The material of the positioning fixing member 31 is an insulating material, so that the stator 600 is insulated, thereby improving the accuracy of the test performance. When the test is completed, the first driving member 321 drives the telescopic table 322 to move downward while driving the positioning fixing member 31 to move downward, thereby driving the stator 600 to move downward into the placing seat 103, and the positioning fixing member 31 exits the stator core 60 as the positioning fixing member 31 continues to move downward.

[0045] For example, the first driving member 321 can be a pneumatic cylinder.

[0046] Further, the telescopic table 322 comprises a fixed plate 323, a first guide rod 324 and a second guide rod 325, one end of the first guide rod 324 and one end of the second guide rod 325 are arranged on the rack 101 through a connecting plate, the other end of the first guide rod 324 and the other end of the second guide rod 325 are respectively arranged on the opposite ends of the fixed plate 323, one end of the first driving member 321 is fixed on the connecting plate, and the output end of the first driving member 321 is arranged on the fixed plate 323, so that the first driving member 321 can drive the fixed plate 323 to slide along the first guide rod 324 and the second guide rod 325, thereby realizing the lifting movement or the descending movement of the jacking structure 30.

[0047] Specifically, the opposite ends of the fixed plate 323 are correspondingly provided with guide sleeves 328, and the first guide rod 324 and the second guide rod 325 correspondingly pass through the guide sleeves 328, so that the fixed plate 323 can slide along the first guide rod 324 and the second guide rod 325, and the first guide rod 324 and the second guide rod 325 are arranged to realize double-rail guidance, thereby improving the stability of the jacking structure 30 during jacking or descending.

[0048] In an embodiment, the positioning structure 20 comprises a second driving member 201, a fixed connecting member 207 and a positioning assembly 202, one end of the fixed connecting member 207 is arranged vertically on the rack 101, the second driving member 201 is arranged on the other end of the fixed connecting member 207, and the positioning assembly 202 is arranged on the output end of the second driving member 201, the power source of the second driving member 201 is pneumatic, so that the second driving member 201 can drive the positioning assembly 202 to move upward or downward.

[0049] Further, the positioning assembly 202 comprises a fixed frame 203, a third guide rod 204, an elastic reset member 205 and a pressure head 206, the fixed frame 203 is arranged on the output end of the second driving member 201, one end of the third guide rod 204 is arranged vertically on the fixed frame 203, the other end of the third guide rod 204 faces the placing seat 103, the elastic reset member 205 is arranged on the other end of the third guide rod 204 in a telescopic manner, and the pressure head 206 is arranged on the third guide rod 204 in a slidable manner, and the pressure head 206 is connected with the elastic reset member 205, so that the elastic reset member 205 can drive the pressure head 206 to retract within a certain range, thereby avoiding that the pressure head 206 is pressed too hard on the stator core 60 due to the overstroke of the second driving member 201, and the stator core 60 is damaged, and at the same time, the positioning assembly 202 positions the stator 600, thereby avoiding that the stator 600 is inclined after being jacked up.

[0050] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the present application; the technical features in the above examples or different examples can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for simplicity; although the present application has been described in detail with reference to the foregoing examples, it should be understood by those of ordinary skill in the art that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A stator performance testing device installed on a worktable, wherein the worktable is provided with a placing seat, the stator comprises a stator core and a terminal, and the terminal is inserted into the stator core, characterized in that, The stator performance testing device comprises: The bottom of the placing seat is provided with a first through hole, and the stator is placed in the placing seat; A positioning structure is arranged on the workbench in an extendable manner, and is used for positioning the stator, wherein the positioning structure comprises a second driving member and a positioning assembly, the second driving member is arranged on the workbench, and the positioning assembly is arranged on the output end of the second driving member, and the second driving member drives the positioning assembly to move upward or downward; The positioning assembly comprises a fixing frame, a third guide rod, an elastic reset member and a pressing head, one end of the third guide rod is arranged on the fixing frame, the elastic reset member is arranged on the third guide rod in an extendable manner, and the pressing head is arranged on the third guide rod in a slidable manner, and the pressing head is connected with the elastic reset member; A jacking structure is arranged on the workbench, and comprises a jacking assembly and a positioning fixing member, the positioning fixing member is arranged on the output end of the jacking assembly, the placing seat is located between the positioning structure and the positioning fixing member, the diameter of the first through hole is greater than the diameter of the positioning fixing member and smaller than the diameter of the stator, the jacking assembly drives the positioning fixing member to extend into the first through hole and insert into the stator core, and the jacking structure is used for jacking the stator to a predetermined height position; The jacking assembly comprises a first driving member and an extension table, one end of the first driving member is arranged on the workbench, the other end of the first driving member is arranged on the extension table, and the positioning fixing member is arranged on the extension table, and the first driving member drives the extension table to move upward or downward; The extension table comprises a fixed plate, a first guide rod and a second guide rod, one end of the first guide rod and one end of the second guide rod are arranged on the workbench, the other end of the first guide rod and the other end of the second guide rod are respectively arranged on the opposite ends of the fixed plate in a slidable manner, and the output end of the first driving member is arranged on the fixed plate; A test clamping assembly is arranged on the positioning structure and located on one side of the positioning structure, and is used for clamping the terminal test stator performance.

2. The stator performance test apparatus of claim 1, wherein The positioning fixing member is a positioning shaft, the positioning shaft is inserted into the through hole of the stator core to form fixation.

3. The stator performance testing apparatus of claim 1, wherein The terminals are arranged at least four, the test clamping assembly comprises at least four test members, each test member is arranged on the positioning structure, and each test member corresponds to clamp each terminal respectively.

4. A stator performance test apparatus according to claim 3, wherein The test member comprises a third driving member and a test clamp, the test clamp is arranged on the output end of the third driving member, the third driving member is arranged on the positioning structure, and the test clamp clamps the terminal. And / or, the stator performance testing device further comprises a grounding assembly, the grounding assembly comprises a fourth driving member and a grounding contact, the fourth driving member is arranged on the positioning structure, the grounding contact is arranged on the output end of the fourth driving member, and the grounding contact is connected with the stator core.

5. The stator performance testing apparatus of claim 1, wherein The positioning fixing member is a positioning shaft, one end of the positioning shaft is arranged on the jacking assembly, the outer peripheral side wall of the other end of the positioning shaft is provided with a plurality of uniformly distributed elastic members, one end of the positioning shaft provided with the elastic members is inserted into the through hole of the stator core, and the plurality of elastic members are abutted against the inner side wall of the stator core to form fixation.

6. A stator performance test apparatus according to claim 5, characterised in that, The outer peripheral side wall of the other end of the positioning shaft is respectively provided with a second through hole corresponding to each elastic member, the elastic member is in an S-shaped structure.

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