A split motor testing tooling structure

Abstract

The utility model discloses a tooling structure for split motor testing, which relates to the technical field of workpiece testing, including a base platform, a bracket, a stator bracket and a rotor bracket. The upper end of the base platform is slidably provided with two brackets, the stator bracket and the rotor bracket are installed on the two brackets, one end of the rotor bracket extends into the stator bracket, a stator assembly is installed on the stator bracket, a rotor assembly is installed at one end of the rotor bracket, the rotor assembly is installed in the stator assembly, and the stator bracket includes a stator fixed support, a stator axial pressure plate, a first screw and a first bearing. Through the arrangement of the stator bracket and the rotor bracket, the stator assembly and the rotor assembly of the split motor can be conveniently, quickly and accurately assembled respectively, the efficiency is improved, the air gap is uniform, the stator and rotor axes are coaxial, and the test is accurate; and the stator and rotor assemblies can be quickly disassembled and assembled respectively, and it is no longer necessary to disassemble the stator assembly when replacing the rotor assembly or to disassemble the rotor assembly when replacing the stator assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece testing, in particular to a split-type motor testing tooling structure. Background Art

[0002] The motors used in furniture and household appliances must undergo performance tests before leaving the factory, including a series of performance tests such as no-load speed, current, efficiency, insulation withstand voltage, insulation resistance, line resistance, and starting voltage.

[0003] For split motors, the existing technology mainly involves making a molded casing at the outer diameter of the stator and the front and rear bearing positions of the rotor assembly, and then connecting the rear cover to the casing with screws, and leading the motor lead wires through the openings in the rear cover to complete the split motor performance parameter test. However, this test tooling increases the complexity of manual operation for motor performance testing, makes disassembly and assembly difficult, and reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a split motor testing tooling structure to solve the above technical problems.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A split motor test tooling structure, comprising a base platform, a bracket, a stator bracket and a rotor bracket, wherein the upper end of the base platform is slidably provided with two brackets, the stator bracket and the rotor bracket are mounted on the two brackets, one end of the rotor bracket extends into the stator bracket, a stator assembly is mounted on the stator bracket, a rotor assembly is mounted on one end of the rotor bracket, and the rotor assembly is mounted in the stator assembly;

[0007] The stator bracket comprises:

[0008] A stator fixing support, one end of which is mounted on one of the brackets, and the stator assembly is disposed inside the other end of the stator fixing support;

[0009] A stator axial pressure plate, the other end of the stator fixing support is provided with the stator axial pressure plate, the stator axial pressure plate is used to fix the stator assembly in the stator fixing support, and is used to limit the axial movement of the stator assembly;

[0010] A first screw, wherein the stator axial pressure plate is connected to the stator fixing support via the first screw;

[0011] A first bearing, a first bearing chamber is opened at one end of the stator fixing support, and the first bearing is installed in the first bearing chamber.

[0012] Preferably, the base platform includes a bottom plate and a baffle, the bottom plate is provided with a first threaded hole, the first threaded holes are arranged in four rows, each row has a plurality of first threaded holes, each baffle is provided with a plurality of screw countersunk holes, and the two baffles are connected to the two outermost rows of the first threaded holes through second screws.

[0013] As a further preference, the bracket includes a base, a vertical plate and a side plate, the base plate is installed between the two baffles, the upper end of the base is provided with the two side plates, one end of the two side plates is provided with the vertical plate, the vertical plate is provided with a circular hole, and one end of the stator fixing support is provided with a first annular protrusion that cooperates with the circular hole.

[0014] As a further preference, a U-shaped slot hole is opened on the base, a third screw is arranged in the U-shaped slot hole, and the third screw is connected to the corresponding first threaded hole.

[0015] Preferably, a fourth screw is further included, a second threaded hole is provided on the side wall of the stator fixing support, a stop is provided on the inner wall of the stator fixing support, one end of the stator core of the stator assembly abuts against the stop, and the fourth screw is arranged in the second threaded hole and abuts against the stator core.

[0016] As a further preference, the rotor bracket includes a rear end cover, a casing, a front end cover, a core shaft and a fastening nut, the rear end cover is provided at one end of the casing, the front end cover is provided at the other end of the casing, one end of the core shaft passes through the rear end cover, the casing and the front end cover, the rotor assembly is installed at one end of the core shaft, one end of the core shaft is also provided with the fastening nut for installing the rotor assembly on the core shaft, and one end of the rear end cover is provided with a third annular protrusion that matches the circular hole on the other vertical plate.

[0017] As a further preference, a boss is provided in the middle of one end of the core shaft, and the boss is arranged in the first bearing.

[0018] As a further preferred embodiment, the rear end cover further comprises a second bearing, a second bearing chamber is provided in the middle of the rear end cover, and the second bearing is installed in the second bearing chamber.

[0019] As a further preference, it further includes a third bearing and an isolation sleeve. The third bearing and the isolation sleeve are arranged in the casing, the core shaft passes through the second bearing, the isolation sleeve and the third bearing, and the two ends of the isolation sleeve are against the second bearing and the third bearing.

[0020] As a further preference, it further comprises a shaft elastic retaining ring, the other end of the core shaft is provided with the shaft elastic retaining ring, and the shaft elastic retaining ring abuts against the second bearing.

[0021] The above technical solution has the following advantages or beneficial effects:

[0022] In the utility model, by setting the stator bracket and the rotor bracket, the stator assembly and the rotor assembly of the split motor can be conveniently, quickly and accurately assembled, thereby improving efficiency, ensuring uniform air gap, coaxial stator and rotor axes, and accurate testing; and the stator and rotor assemblies can be quickly disassembled and assembled respectively, and there is no need to disassemble the stator assembly when replacing the rotor assembly or to disassemble the rotor assembly when replacing the stator assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of the split motor testing tooling structure in the utility model;

[0024] Figure 2 It is a top view of the split motor testing tooling structure in the utility model;

[0025] Figure 3 yes Figure 2 Middle AA section view;

[0026] Figure 4 It is a three-dimensional diagram of the tooling structure for split motor testing in the utility model;

[0027] Figure 5 It is a front view of the stator bracket in the utility model;

[0028] Figure 6 yes Figure 5 Middle BB section view;

[0029] Figure 7 It is a three-dimensional diagram of the stator bracket in the utility model;

[0030] Figure 8 This is a front view of the rotor bracket in the utility model;

[0031] Fig. 9 yes Figure 8 Middle CC section view;

[0032] Fig.10 It is a three-dimensional diagram of the rotor bracket in the utility model;

[0033] Fig.11 It is a structural schematic diagram of the base platform in the utility model;

[0034] Fig.12 It is a three-dimensional structure of the bracket in the utility model. Figure 1 ;

[0035] Fig.13 It is a three-dimensional structure of the bracket in the utility model. Figure 2 .

[0036] In the figure: 1, base platform; 101, bottom plate; 102, baffle; 103, screw countersunk hole; 104, second screw; 105, first threaded hole; 2, bracket; 201, base; 202, vertical plate; 203, side plate; 204, round hole; 205, U-shaped slot hole; 206, third screw; 3, stator bracket; 301, stator fixed support; 302, stator axial pressure plate; 303, first screw; 304, first bearing; 305, first An annular protrusion; 306, a fourth screw; 307, a stop; 4, a rotor bracket; 401, a rear end cover; 402, a housing; 403, a front end cover; 404, a core shaft; 405, a fastening nut; 406, a third annular protrusion; 407, a fifth screw; 408, a boss; 409, a second bearing; 410, a third bearing; 411, a spacer sleeve; 412, a shaft elastic retaining ring; 5, a stator assembly; 501, a stator core; 6, a rotor assembly. DETAILED DESCRIPTION

[0037] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Figure 1This is a front view of the split motor testing tooling structure in the utility model; Figure 2 It is a top view of the split motor testing tooling structure in the utility model; Figure 3 yes Figure 2 Middle AA section view;

[0041] Figure 4 It is a three-dimensional diagram of the tooling structure for split motor testing in the utility model; Figure 5 It is a front view of the stator bracket in the utility model; Figure 6 yes Figure 5 Middle BB section view; Figure 7 It is a three-dimensional diagram of the stator bracket in the utility model; Figure 8 This is a front view of the rotor bracket in the utility model; Fig. 9 yes Figure 8 Middle CC section view; Fig.10 It is a three-dimensional diagram of the rotor bracket in the utility model; Fig.11 It is a structural schematic diagram of the base platform in the utility model; Fig.12 It is a three-dimensional structure of the bracket in the utility model. Figure 1 ; Fig.13 It is a three-dimensional structure of the bracket in the utility model. Figure 2 , see Figures 1 to 13 As shown, a preferred embodiment is shown, which shows a split motor test tooling structure, including a base platform 1, a bracket 2, a stator bracket 3 and a rotor bracket 4. The upper end of the base platform 1 is slidably provided with two brackets 2, the stator bracket 3 and the rotor bracket 4 are installed on the two brackets 2, one end of the rotor bracket 4 extends into the stator bracket 3, a stator assembly 5 is installed on the stator bracket 3, and a rotor assembly 6 is installed at one end of the rotor bracket 4. The rotor assembly 6 is installed in the stator assembly 5; in this embodiment, see Figure 1 As shown, the two brackets 2 are arranged opposite to each other, and the stator bracket 3 and the rotor bracket 4 are arranged on the side where the two brackets 2 are close to each other, and are detachably connected to the brackets 2 for easy disassembly and assembly. The brackets 2 can slide on the base platform 1 to facilitate adjustment of the distance between the two brackets 2 so that the rotor assembly 6 can smoothly enter the stator assembly 5 for easy testing.

[0042] The stator support 3 includes:

[0043] A stator fixing support 301, one end of which is mounted on one of the brackets 2, and a stator assembly 5 is disposed inside the other end of the stator fixing support 301;

[0044] Stator axial pressure plate 302: The other end of the stator fixed support 301 is provided with a stator axial pressure plate 302, and the stator axial pressure plate 302 is used to fix the stator assembly 5 in the stator fixed support 301, and is used to limit the axial movement of the stator assembly 5;

[0045] First screw 303, the stator axial pressure plate 302 is connected to the stator fixing support 301 through the first screw 303;

[0046] The first bearing 304, one end of the stator fixed support 301 is provided with a first bearing chamber, and the first bearing 304 is installed in the first bearing chamber. Figure 6 As shown, one end of the stator fixing support 301 can be connected and fixed to the bracket 2 by bolts, and after the stator axial pressure plate 302 is connected to the other end of the stator fixing support by the first screw 303, the stator axial pressure plate 302 can squeeze the stator core 501 in the stator assembly 5, so that the stator assembly 5 can be fixed in the stator fixing support 301, which can prevent the stator assembly 5 from axial movement, facilitate the stable cooperation between the stator assembly 5 and the rotor assembly 6, and improve the test accuracy.

[0047] Further, as a preferred embodiment, the base platform 1 includes a bottom plate 101 and a baffle plate 102. The bottom plate 101 is provided with first threaded holes, and the first threaded holes are arranged in four rows, and each row has a plurality of first threaded holes. Each baffle plate 102 is provided with a plurality of screw countersunk holes 103, and the two baffle plates 102 are connected to the outermost two rows of first threaded holes 105 by second screws 104. Fig.11 As shown, the baffle 102 covers a row of first threaded holes and is connected to the first threaded holes 105 by the second screws 104, so that the baffle 102 can be fixed on the bottom plate 101, and the spacing between the two outermost rows of first threaded holes 105 can be set as needed to adjust the distance between the two baffles 102, so as to adapt to bases 201 of different sizes. The two baffles 102 can play a guiding role, so that the base 201 in the bracket 2 can slide between the two baffles 102. Among them, the number of screw countersunk holes 103 on each baffle 102 is the same as the number of first threaded holes 105 in each row, and the screw countersunk holes 103 are correspondingly arranged with the first threaded holes 105. The screw countersunk holes 103 are used to install the second screws 104, and the second screws 104 pass through the screw countersunk holes 103 and enter the corresponding first threaded holes 105.

[0048] Further, as a preferred embodiment, the bracket 2 includes a base 201, a vertical plate 202 and a side plate 203. The base 201 is installed between the two baffles 102. The upper end of the base 201 is provided with two side plates 203. One end of the two side plates 203 is provided with a vertical plate 202. A circular hole 204 is provided on the vertical plate 202. One end of the stator fixing support 301 is provided with a first annular protrusion 305 that matches the circular hole 204. The base 201, the side plate 203 and the vertical plate 202 are integrally arranged. A circular hole 204 is provided in the middle of the vertical plate 202. The circular holes 204 on the vertical plates 202 in the two brackets 2 are coaxially arranged. The base 201, the vertical plate 202 and the side plate 203 are distributed in a triangular shape, which can increase the stability of the vertical plate 202.

[0049] Further, as a preferred embodiment, a U-shaped slot hole 205 is provided on the base 201, a third screw 206 is provided in the U-shaped slot hole 205, and the third screw 206 is connected to the corresponding first threaded hole 105. Figure 4 As shown, the base 201 is connected to the first threaded hole 105 by a third screw 206. Due to the setting of the U-shaped slot hole 205, when the third screw 206 is loosened, the base 201 can be slid to adjust the distance between the two brackets 2, thereby adjusting the spacing between the stator assembly 5 and the rotor assembly 6, and the spacing between the core shaft 404 and the dynamometer can also be adjusted. When the third screw 206 is tightened, the position of the base 201 can be fixed.

[0050] Further, as a preferred embodiment, it further includes a fourth screw 306, a second threaded hole is provided on the side wall of the stator fixing support 301, a stopper 307 is provided on the inner peripheral wall of the stator fixing support 301, one end of the stator core 501 of the stator assembly 5 abuts against the stopper 307, and the fourth screw 306 is arranged in the second threaded hole and abuts against the stator core 501. The stator core 501 matching the stopper 307 is provided on the outer peripheral wall of the stator assembly 5, and the fourth screw 306 is arranged in the second threaded hole and abuts against the stator core 501. Figure 6 As shown, the left side of the stator core 501 abuts against the side wall of the stop 307, and the right side of the stator core 501 abuts against the stator axial pressure plate 302. The stator core 501 is pressed by the stator axial pressure plate 302, so that the position of the stator assembly 5 is fixed, and the axial sliding of the stator assembly 5 can be prevented. The fourth screw 306 can abut against the stator core 501, so as to prevent the stator assembly 5 from rotating.

[0051] Further, as a preferred embodiment, the rotor support 4 includes a rear end cover 401, a housing 402, a front end cover 403, a spindle 404 and a fastening nut 405. The housing 402 is provided with the rear end cover 401 at one end, the housing 402 is provided with the front end cover 403 at the other end, one end of the spindle 404 passes through the rear end cover 401, the housing 402 and the front end cover 403, the rotor assembly 6 is mounted on one end of the spindle 404, and the spindle 404 is also provided with a fastening nut 405 at one end for mounting the rotor assembly 6 on the spindle 404, and one end of the rear end cover 401 is provided with a third annular protrusion 406 that matches the circular hole 204 on the other vertical plate 202. The rear end cover 401 is connected to the vertical plate 202 by bolts, and the third annular protrusion 406 on the rear end cover 401 can be inserted into the circular hole 204 on the vertical plate 202, so as to facilitate the installation of the rear end cover 401. The front end cover 403 can be connected and fixed to one end of the housing 402 by a fifth screw 407, and the front end cover 403 is used to restrict the third bearing 410 in the housing 402. The fastening nut 405 is used to fasten the rotor assembly 6 so that the rotor assembly 6 is installed on the core shaft 404. The core shaft 404 is the core shaft of the motor.

[0052] Further, as a preferred embodiment, a boss 408 is provided in the middle of one end of the mandrel 404, and the boss 408 is provided in the first bearing 304. The boss 408 at one end of the mandrel 404 is used to cooperate with the first bearing 304 to facilitate the rotation of the mandrel 404 and also to limit the position of the mandrel 404.

[0053] Further, as a preferred embodiment, it further includes a second bearing 409. A second bearing chamber is opened in the middle of the rear end cover 401. The second bearing 409 is installed in the second bearing chamber. Fig. 9 As shown, the third bearing 410 and the isolation sleeve 411 are also included. The third bearing 410 and the isolation sleeve 411 are arranged in the housing 402. The core shaft 404 passes through the second bearing 409, the isolation sleeve 411 and the third bearing 410. The two ends of the isolation sleeve 411 are against the second bearing 409 and the third bearing 410. The isolation sleeve 411 is used to fix the second bearing 409 and the third bearing 410 to prevent the second bearing 409 and the third bearing 410 from axial movement.

[0054] Further, as a preferred embodiment, it also includes a shaft elastic ring 412, and the other end of the core shaft 404 is provided with a shaft elastic ring 412, and the shaft elastic ring 412 is against the second bearing 409. The shaft elastic ring 412 is used to fix the second bearing 409 to prevent the second bearing 409 from being separated from the second bearing chamber.

[0055] In this embodiment, the stator assembly 5 and the rotor assembly 6 can be installed separately; when the performance of the stator assembly 5 is tested, only the stator assembly 5 can be replaced, and the rotor assembly 6 is not replaced; when the performance of the rotor assembly 6 is tested, only the rotor assembly 6 can be replaced, and the stator assembly 5 is not replaced, which can effectively improve work efficiency. When replacing the rotor assembly 6, it is only necessary to remove the fastening nut 405 and take down the rotor assembly 6. The rotor bracket 4 will not get loose, which is convenient, time-saving and labor-saving. To replace the stator assembly 5, it is only necessary to remove the stator axial pressure plate 302 of the stator bracket 3, loosen the first screw 303, and take out the stator assembly 5. There is no need to remove the stator bracket 3, which is convenient, time-saving and labor-saving.

[0056] The split motor test fixture structure in this embodiment can realize the convenient, rapid and accurate assembly of the split motor stator assembly 5 and rotor assembly 6, respectively, to ensure uniform air gap, coaxial stator and rotor axes, and accurate testing.

[0057] When in use, the stator assembly 5 can be first installed in the stator fixing support 301 in the stator bracket 3, and then the rotor assembly 6 can be installed on the core shaft 404 of the rotor bracket 4. After the installation is completed, the stator bracket 3 and the rotor bracket 4 are installed between the two baffles 102 on the base platform 1, and then the stator bracket 3 or the rotor bracket 4 is slid so that the core shaft 404 drives the rotor assembly 6 into the stator assembly 5, and the boss 408 at one end of the core shaft 404 enters the first bearing 304, and then the stator bracket 3 or the rotor bracket 4 is fixed by tightening the third screw 206, and then the stator assembly 5 or the rotor assembly 6 can be tested.

[0058] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A split motor testing tooling structure, characterized in that: It comprises a base platform, a bracket, a stator bracket and a rotor bracket, wherein the upper end of the base platform is slidably provided with two brackets, the stator bracket and the rotor bracket are mounted on the two brackets, one end of the rotor bracket extends into the stator bracket, a stator assembly is mounted on the stator bracket, a rotor assembly is mounted on one end of the rotor bracket, and the rotor assembly is mounted in the stator assembly; The stator bracket comprises: A stator fixing support, one end of which is mounted on one of the brackets, and the stator assembly is disposed inside the other end of the stator fixing support; A stator axial pressure plate, the other end of the stator fixing support is provided with the stator axial pressure plate, the stator axial pressure plate is used to fix the stator assembly in the stator fixing support, and is used to limit the axial movement of the stator assembly; A first screw, wherein the stator axial pressure plate is connected to the stator fixing support via the first screw; A first bearing, a first bearing chamber is opened at one end of the stator fixing support, and the first bearing is installed in the first bearing chamber.

2. The split motor testing tooling structure according to claim 1, characterized in that: The base platform includes a bottom plate and a baffle plate, the bottom plate is provided with first threaded holes, the first threaded holes are arranged in four rows, each row has a plurality of first threaded holes, each baffle plate is provided with a plurality of screw countersunk holes, and the two baffle plates are connected to the two outermost rows of the first threaded holes through second screws.

3. The split motor testing tooling structure as claimed in claim 2, characterized in that: The bracket includes a base, a vertical plate and a side plate. The base is installed between the two baffles. The upper end of the base is provided with the two side plates. One end of the two side plates is provided with the vertical plate. The vertical plate is provided with a circular hole. One end of the stator fixing support is provided with a first annular protrusion that cooperates with the circular hole.

4. The split motor testing tooling structure as claimed in claim 3, characterized in that: A U-shaped slot hole is provided on the base, a third screw is provided in the U-shaped slot hole, and the third screw is connected to the corresponding first threaded hole.

5. The split motor testing tooling structure according to claim 1, characterized in that: It also includes a fourth screw, a second threaded hole is opened on the side wall of the stator fixing support, a stop is opened on the inner wall of the stator fixing support, one end of the stator core of the stator assembly is abutted against the stop, and the fourth screw is arranged in the second threaded hole and abutted against the stator core.

6. The split motor testing tooling structure as claimed in claim 3, characterized in that: The rotor bracket includes a rear end cover, a casing, a front end cover, a core shaft and a fastening nut. The rear end cover is provided at one end of the casing, and the front end cover is provided at the other end of the casing. One end of the core shaft passes through the rear end cover, the casing and the front end cover. The rotor assembly is installed at one end of the core shaft. The fastening nut is also provided at one end of the core shaft for installing the rotor assembly on the core shaft. One end of the rear end cover is provided with a third annular protrusion that matches the circular hole on the other vertical plate.

7. The split motor testing tooling structure according to claim 6, characterized in that: A boss is provided at the middle of one end of the core shaft, and the boss is arranged in the first bearing.

8. The split motor testing tooling structure according to claim 6, characterized in that: It also includes a second bearing. A second bearing chamber is opened in the middle of the rear end cover, and the second bearing is installed in the second bearing chamber.

9. The split motor testing tooling structure according to claim 8, characterized in that: It also includes a third bearing and an isolation sleeve. The third bearing and the isolation sleeve are arranged in the housing. The core shaft passes through the second bearing, the isolation sleeve and the third bearing. The two ends of the isolation sleeve are against the second bearing and the third bearing.

10. The split motor testing tooling structure according to claim 8, characterized in that: It also includes a shaft elastic retaining ring, which is disposed at the other end of the core shaft and abuts against the second bearing.

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