CN114355189B - Vacuum test system for motor stator performance - Google Patents
Vacuum test system for motor stator performance Download PDFInfo
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- CN114355189B CN114355189B CN202111556071.6A CN202111556071A CN114355189B CN 114355189 B CN114355189 B CN 114355189B CN 202111556071 A CN202111556071 A CN 202111556071A CN 114355189 B CN114355189 B CN 114355189B
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 20
- 239000005341 toughened glass Substances 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 230000006698 induction Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 208000025962 Crush injury Diseases 0.000 description 1
- 208000011092 Hand injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a vacuum test system for motor stator performance in the technical field of motor stator test equipment, which comprises an equipment shell, wherein two vacuum cover assemblies for vacuumizing are arranged at the top of the equipment shell, and are symmetrically arranged at the top of the equipment shell, and limit slide rails are fixed on the left and right side walls of an inner cavity of the equipment shell through bolts.
Description
Technical Field
The invention relates to the technical field of motor stator testing equipment, in particular to a vacuum testing system for motor stator performance.
Background
The motor stator is used as one of the key components of the motor, the quality of the motor stator directly determines the performance of the motor and even the use safety, the conventional stator voltage withstand test generally sets a high voltage range of 1500-2500V in a non-vacuum environment, but for defective coils with tiny damage degree, the motor stator vacuum test system is easy to generate aiming at the problem because the energy of the voltage withstand test is insufficient and difficult to effectively detect. The principle of testing the motor stator in the vacuum environment is as follows: the coil is easier to generate discharge in a vacuum environment, so that whether the coil enameled wire is damaged can be better tested. The term "vacuum" as used herein is not an absolute vacuum (no discharge occurs in absolute vacuum), but is a negative pressure environment created by pumping out a portion of the air in the enclosed space by a vacuum pump.
For example, chinese patent application No. CN201210052111.8 discloses a vacuum testing device for stator performance of induction motor, which comprises the following specific contents: the utility model provides a vacuum testing arrangement for testing induction motor stator performance, including work bench and suspension in the vacuum cover of work bench mesa top, corresponding setting and vacuum cover mouth complex seal assembly on the mesa, vacuum testing arrangement still includes evacuation subassembly and induction motor stator test assembly, induction motor stator test assembly's fixed test end is located seal assembly and encloses the region that closes and form, still be provided with the power supply that is used for driving the vacuum cover and makes reciprocal rectilinear motion from top to bottom and direction vacuum cover direction of motion's guide part on the work bench, the guide part is more than two and in vacuum cover body axis bilateral symmetry arrangement. The guide structures are symmetrically arranged on two sides of the axis of the vacuum cover, so that the vacuum cover, the guide parts and even the whole structure are balanced and even in stress during the action, the failure rate and the maintenance cost are greatly reduced, the working reliability is high, and the service life is remarkably prolonged.
For example, chinese patent application No. CN201721002352.6 discloses a vacuum tester for motor stator, which comprises the following specific contents: the vacuum tester for the motor stator comprises a test table, a rack and a control system, wherein the rack and the control system are arranged on the test table, a display screen and an operation button which are connected to the control system are arranged on the rack, at least two sealing gaskets are arranged on the test table, a vacuum pump is arranged in the test table below the sealing gaskets, an analog detection device and a vacuum electromagnetic valve are arranged on the sealing gaskets, and the vacuum electromagnetic valve and the vacuum pump are electrically connected to the control system; at least two lifting cylinders which are in one-to-one correspondence with the sealing gaskets are arranged on the frame, the lower ends of cylinder rods of the lifting cylinders are connected with vacuum covers, and the diameters of the vacuum covers are larger than the diameters of the test holes and smaller than the diameters of the sealing gaskets; and the front side of the test bench is also provided with at least two grating sensors which are in one-to-one correspondence with the sealing gaskets, and the lifting cylinder and the grating sensors are connected with a control system through signals. The lifting cylinder drives the vacuum cover to lift, so that the moment is large, the vacuum cover can be tightly pressed on the sealing gasket, and the inside of the vacuum cover is isolated from the outside.
For example, chinese patent application No. CN201520825992.1 discloses a vacuum motor stator discharge testing machine, which comprises the following specific contents: a vacuum motor stator discharge testing machine comprises a frame, a workbench, casters, a motor, a switch, an emergency stop button, a display screen, a vacuum pump, a pipeline, a vacuum cover and an inter-turn tester; casters are arranged at four corners of the bottom of the stand, shutters for heat dissipation are arranged on two sides of the stand, and a switch and an emergency stop button are fixed on the stand; the workbench is an insulator and is fixed on the rack through screws, and two touch plates are fixed on the workbench; the two vacuum covers are symmetrically arranged, the top of the vacuum cover is semicircular, and an O-shaped sealing gasket is arranged at the bottom opening of the vacuum cover. The device is simple and novel, scientific and reasonable in design, convenient and quick to move and safe and reliable to use; with this equipment, under the state of vacuum, carry out turn-to-turn high voltage test to motor stator, if the enameled wire has the damage, can see under the vacuum that vacuum discharge's corona light arc appears in the damage department, guarantee motor stator's working property.
The vacuum covers of the above patents all move in a working mode, and the vacuum covers of the first two patents move from top to bottom, and the vacuum cover of the third patent moves from top to bottom in a turnover mode, so that the risk of hand crush injury caused by the vacuum covers in the moving process and the phenomenon of damage caused by stress of the vacuum covers in the debugging process exist.
Disclosure of Invention
The invention aims to provide a vacuum test system for motor stator performance, which solves the problems that the vacuum cover proposed in the background art is arranged in a motion state, the risk of hand injury caused by pressure exists, and the phenomenon of damage caused by stress of the vacuum cover in the debugging process is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a vacuum test system of motor stator performance, includes the equipment casing, two vacuum cover subassemblies that are used for the evacuation are installed at the top of equipment casing, just two vacuum cover subassemblies are in the top symmetry setting of equipment casing, the inner chamber of equipment casing is controlled the lateral wall and is all fixed with spacing slide rail through the bolt, and two the level is provided with the support slide between the spacing slide rail, install two on the support slide with vacuum cover subassembly matched with test module, the inner chamber of equipment casing passes through the bolt and transversely installs the equipment backup pad, just the equipment backup pad sets up the below of support slide, the back lateral wall of equipment casing with be provided with the push-and-pull subassembly that is used for the push-and-pull of support slide fore-and-aft motion between the top of equipment backup pad, equipment backup pad and two be provided with the vacuum subassembly that is used for the evacuation between the vacuum cover subassembly to and be used for complete machine control's operation display module is including installing the control host computer at equipment backup pad top, and install display screen and control panel at equipment casing top, just the display screen sets up at two the control panel's rear side of cover subassembly and control panel, two control panel sets up with the control panel respectively the data sets up at the control end respectively.
Preferably, the top of the equipment casing is symmetrically provided with positioning notches matched with the vacuum cover assembly, and the side walls of the inner cavities of the positioning notches are embedded and provided with rubber sealing rings.
Preferably, the vacuum cover assembly comprises an annular base which is overlapped with the axis of the positioning notch, an annular groove is formed in the top of the annular base, a toughened glass cover with a transparent design is arranged in the inner cavity of the annular groove, and the toughened glass cover is connected with the annular base through sealant.
Preferably, the limit sliding rail comprises a limit stop, the side wall of the limit stop is welded with a fixed wing plate in an up-down symmetrical mode, the fixed wing plate is fixedly connected with the side wall of the equipment shell through a bolt, a limit sliding groove is formed in the front end of the limit stop, and the length of the limit sliding groove is twice the width of the support sliding plate.
Preferably, rectangular notch has all been seted up at the both ends of supporting the slide, the inner chamber of rectangular notch through pin movable mounting have a plurality of with spacing spout matched with spacing pulley, two sets of guiding holes have been seted up to the top symmetry of supporting the slide.
Preferably, the test assembly comprises vertical electric telescopic rods symmetrically arranged at the bottom of the supporting slide plate through bolts, the telescopic ends of the vertical electric telescopic rods penetrate through the top of the supporting slide plate, the top of each telescopic end of each vertical electric telescopic rod is horizontally provided with a stator detection platform matched with the locating notch, the bottom of each stator detection platform is vertically provided with a guide sliding rod matched with the corresponding guide hole, the bottom ends of the guide sliding rods penetrate through the inner cavity of the corresponding guide hole, and the control ends of the two vertical electric telescopic rods are connected with the control end of the control host through the data line.
Preferably, the upper part of the stator detection platform is a circular rubber block, the lower part of the stator detection platform is a circular support plate with a stepped structure, the circular rubber block on the upper part of the stator detection platform is in interference fit with the inner cavity of the positioning notch, the side wall of the circular rubber block on the upper part of the stator detection platform is provided with a sealing clamping groove matched with the rubber sealing ring, and the bottom of the circular support plate on the lower part of the stator detection platform is uniformly provided with a positioning sleeve matched with the guide slide rod, and the positioning sleeve is in threaded connection with the top end of the guide slide rod.
Preferably, the push-pull assembly comprises a telescopic rod supporting plate fixed in the middle of the top of the equipment supporting plate through bolts, the control end of the telescopic rod supporting plate is connected with the control end of the control host through the data line, the side wall of the telescopic rod supporting plate is inserted with a push-pull electric telescopic rod, the rear end of the push-pull electric telescopic rod is fixedly connected with the rear side wall of the inner cavity of the equipment shell through bolts, and the telescopic end of the front side of the push-pull electric telescopic rod is fixedly connected with the bottom of the supporting sliding plate through a U-shaped lug plate and bolts.
Preferably, the vacuum assembly comprises a vacuum pump embedded and installed on the equipment supporting plate, a control end of the vacuum pump is connected with a control end of the control host through the data line, an exhaust pipe is installed at the top end of the vacuum pump, two exhaust branch pipes are arranged on the side wall of the exhaust pipe, and the two exhaust branch pipes penetrate through the top of the equipment shell and are respectively communicated with the inner cavities of the toughened glass covers.
Preferably, the both ends of equipment support board be provided with the location pterygoid lamina that equipment casing lateral wall is connected, just the location pterygoid lamina and the lateral wall of equipment casing all is provided with bolt matched with location jack, the top one end of equipment support board be provided with vacuum pump matched with inlay the draw-in groove, just the top other end of equipment support board be provided with control host computer matched with spacing cardboard.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the vacuum cover assembly is fixed on the equipment shell, the movement of the motor stator is controlled through the push-pull assembly and the testing assembly, the motor stator to be tested is arranged in the inner cavity of the vacuum cover assembly, the detection feeding mode of the motor stator is changed, compared with the traditional mode of detecting the stator by using the vacuum cover, the phenomenon that the vacuum cover assembly is pressed and hurts hands caused by movement can be avoided, the safety in the testing process is improved, meanwhile, the damage phenomenon caused by stress in the debugging process of the vacuum cover assembly is avoided, the volume of the whole machine can be reduced, the occupation of the using space is reduced, and the testing operation of staff is facilitated.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the present invention in an initial state;
FIG. 2 is a front view of the present invention in an initial state;
FIG. 3 is a schematic view of the internal structure of the casing of the apparatus of the present invention;
FIG. 4 is a schematic view of the apparatus support plate, push-pull assembly and vacuum assembly of the present invention;
FIG. 5 is an enlarged view of the portion A of the present invention;
FIG. 6 is a schematic view of the structure of the support sled and test assembly of the present invention;
FIG. 7 is an enlarged view of the portion B of the present invention;
FIG. 8 is a schematic view of a spacing track according to the present invention;
FIG. 9 is a schematic diagram of the structure of the present invention in a testing state.
In the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-device shell, 11-positioning notches, 12-rubber sealing rings, 2-vacuum cover components, 21-annular bases, 22-toughened glass covers, 31-control hosts, 32-display screens, 33-control panels, 4-limit sliding rails, 41-limit stops, 42-fixed wing plates, 43-limit sliding grooves, 5-support sliding plates, 51-rectangular notches, 52-limit pulleys, 53-guide holes, 6-test components, 61-vertical electric telescopic rods, 62-stator detection platforms, 621-sealing clamping grooves, 622-positioning sleeves, 63-guide sliding rods, 7-device support plates, 71-positioning wing plates, 72-embedding clamping grooves, 73-limit clamping plates, 8-push-pull components, 81-telescopic rod support plates, 82-push-pull electric telescopic rods, 9-vacuum components, 91-vacuum pumps, 92-exhaust pipes and 93-exhaust branch pipes.
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.
Referring to fig. 1-9, the present invention provides a technical solution: the vacuum test system for the performance of the motor stator comprises a machine shell 1, wherein two vacuum cover components 2 for vacuumizing are arranged at the top of the machine shell 1, the two vacuum cover components 2 are symmetrically arranged at the top of the machine shell 1, positioning notches 11 matched with the vacuum cover components 2 are symmetrically arranged at the top of the machine shell 1, rubber sealing rings 12 are inlaid in the side walls of inner cavities of the positioning notches 11, the vacuum cover components 2 comprise annular bases 21 which are overlapped with the axes of the positioning notches 11, annular grooves are formed in the tops of the annular bases 21, toughened glass covers 22 with transparent designs are arranged in the inner cavities of the annular grooves, the toughened glass covers 22 are connected with the annular bases 21 through sealing glue, the tightness between the toughened glass covers 22 and the annular bases 21 is guaranteed, and the vacuum cover components 2 are fixed at the top of the machine shell 1;
the left side wall and the right side wall of the inner cavity of the equipment shell 1 are fixed with limit sliding rails 4 through bolts, a support sliding plate 5 is horizontally arranged between the two limit sliding rails 4, two test assemblies 6 matched with the vacuum cover assemblies 2 are symmetrically arranged on the support sliding plate 5, an equipment supporting plate 7 is transversely arranged in the inner cavity of the equipment shell 1 through bolts, the equipment supporting plate 7 is arranged below the support sliding plate 5, a push-pull assembly 8 for pushing and pulling the support sliding plate 5 to move forwards and backwards is arranged between the rear side wall of the equipment shell 1 and the top of the equipment supporting plate 7, a vacuum assembly 9 for vacuumizing is arranged between the equipment supporting plate 7 and the two vacuum cover assemblies 2, and an operation display assembly for overall machine control is arranged, wherein the operation display assembly comprises a control host 31 arranged at the top of the equipment supporting plate 7, a display screen 32 and a control panel 33 arranged at the top of the equipment shell 1, the display screen 32 is arranged at the rear side of the two vacuum cover assemblies 2, the control ends of the display screen 32 and the control panel 33 are respectively connected with the control ends of the control host computer 31 through data lines, and the control assemblies 6 and the control assemblies can be tested by using the display screen 32 and the control panel 33;
in order to avoid the risk that the vacuum cover is pressed and hurts hands in a moving state and the phenomenon that the vacuum cover is damaged due to the stress of the vacuum cover in the debugging process, the vacuum cover assembly 2 is fixed on the equipment shell 1, the motor stator to be tested is controlled to move through the push-pull assembly 8 and the testing assembly 6, the motor stator to be tested is arranged in the inner cavity of the vacuum cover assembly 2, the phenomenon that the vacuum cover assembly 2 is pressed and hurt hands due to the movement is avoided, the safety in the testing process is improved, meanwhile, the damage phenomenon of the vacuum cover assembly 2 due to the stress in the debugging process is avoided, the volume of the whole machine can be reduced, the occupation of a using space is reduced, and the testing operation of workers is facilitated.
As shown in fig. 6 and 8, in order to improve the stability of the support slide 5 sliding back and forth between the two groups of limit slide rails 4, the limit slide rails 4 comprise limit stop blocks 41, the side walls of the limit stop blocks 41 are symmetrically welded with fixed wing plates 42 up and down, the fixed wing plates 42 are fixedly connected with the side walls of the equipment shell 1 through bolts, the front ends of the limit stop blocks 41 are provided with limit slide grooves 43, the length of the limit slide grooves 43 is twice the width of the support slide 5, both ends of the support slide 5 are provided with rectangular notch 51, the inner cavities of the rectangular notch 51 are movably provided with a plurality of limit pulleys 52 matched with the limit slide grooves 43 through pins, the top of the support slide 5 is symmetrically provided with two groups of guide holes 53, the limit pulleys 52 can slide in the inner cavities of the limit slide grooves 43, the stability of the support slide 5 sliding back and forth is improved, and the abrasion between the support slide 5 and the limit slide rails 4 is reduced;
as shown in fig. 6 and 7, the test assembly 6 comprises vertical electric telescopic rods 61 symmetrically installed at the bottom of the supporting slide plate 5 through bolts, the telescopic ends of the vertical electric telescopic rods 61 penetrate through the top of the supporting slide plate 5, a stator detection platform 62 matched with the positioning notch 11 is horizontally installed at the top of the telescopic ends of the vertical electric telescopic rods 61, a guide sliding rod 63 matched with the guide hole 53 is vertically installed at the bottom of the stator detection platform 62, the bottom ends of the guide sliding rods 63 penetrate through the inner cavity of the guide hole 53, the control ends of the two vertical electric telescopic rods 61 are connected with the control end of the control host 31 through data lines, and a worker sends a signal for controlling the telescopic ends of the vertical electric telescopic rods 61 to stretch into the control host 31 through the control panel 33, so that the vertical electric telescopic rods 61 can push the stator detection platform 62 to slide upwards, and a motor stator placed on the stator detection platform 62 can be conveyed into the inner cavity of the tempered glass cover 22 for vacuum test;
in order to improve the tightness between the stator detection platform 62 and the positioning notch 11, through the circular rubber block at the upper part of the stator detection platform 62 and the circular support plate with the lower part of the circular support plate having a ladder-shaped structure, the top of the circular rubber block at the upper part of the stator detection platform 62 is provided with electronic equipment (such as a voltage sensor, an air pressure sensor and the like) for detecting a motor stator, the circular rubber block at the upper part of the stator detection platform 62 is in interference fit with the inner cavity of the positioning notch 11, the side wall of the circular rubber block at the upper part of the stator detection platform 62 is provided with a sealing clamping groove 621 matched with the rubber sealing ring 12, when the stator detection platform 62 is conveyed to the inner cavity of the positioning notch 11, the rubber sealing ring 12 is clamped in the inner cavity of the sealing clamping groove 621, so that the tightness of the joint is improved, in order to improve the stability of the up-and-down movement of the stator detection platform 62, a positioning sleeve 622 matched with the guide slide bar 63 is uniformly arranged at the bottom of a circular support plate at the lower part of the stator detection platform 62, the positioning sleeve 622 is connected with the top end of the guide slide bar 63 through threads, the installation and the disassembly between the guide slide bar 63 and the stator detection platform 62 are convenient, the guide slide bar 63 slides in the inner cavity of the guide hole 53, the phenomenon of deflection of the up-and-down movement of the stator detection platform 62 can be avoided, the length of the stator detection platform 62 is larger than the maximum extension length of the extension end of the vertical electric extension rod 61, and when the circular rubber block at the upper part of the stator detection platform 62 is inserted into the inner cavity of the positioning notch 11, the extension end of the circular rubber block is at the same level as the top of the equipment shell 1, and the extension end of the vertical electric extension rod 61 is the maximum extension length;
as shown in fig. 1-4, in order to enable the supporting slide plate 5 to move back and forth between the two groups of limiting slide rails 4, the push-pull assembly 8 comprises a telescopic rod supporting plate 81 fixed in the middle of the top of the equipment supporting plate 7 through bolts, the control end of the telescopic rod supporting plate 81 is connected with the control end of the control host 31 through a data line, the side wall of the telescopic rod supporting plate 81 is inserted with a push-pull electric telescopic rod 82, the rear end of the push-pull electric telescopic rod 82 is fixedly connected with the rear side wall of the inner cavity of the equipment shell 1 through bolts, the telescopic end on the front side of the push-pull electric telescopic rod 82 is fixedly connected with the bottom of the supporting slide plate 5 through a U-shaped lug plate and bolts, a worker sends a command for controlling the telescopic end of the push-pull electric telescopic rod 82 to extend or shorten through the control panel 33 to the control host 31, the telescopic end of the push-pull electric telescopic rod 82 is utilized to extend or shorten and drive the supporting slide plate 5 to slide back and forth between the two limiting slide rails 4, and the maximum extension length of the push-pull electric telescopic rod 82 is the front side of the supporting slide plate 5 to the front side of the limiting slide rail 4;
in order to be able to pump the gas in the vacuum hood assembly 2, the vacuum assembly 9 comprises a vacuum pump 91 which is embedded and installed on the equipment support plate 7, the control end of the vacuum pump 91 is connected with the control end of the control host 31 through a data line, the top end of the vacuum pump 91 is provided with an exhaust pipe 92, the side wall of the exhaust pipe 92 is provided with two exhaust branch pipes 93, the two exhaust branch pipes 93 penetrate through the top of the equipment shell 1 and are respectively communicated with the inner cavities of the two toughened glass hoods 22, a worker generates a command for controlling the starting of the vacuum pump 91 in the control host 31 through the control panel 33, and the exhaust pipe 92 communicated with the vacuum pump 91 can be pumped through the starting of the vacuum pump 91, so that the inner cavity of the toughened glass hood 22 in the vacuum hood assembly 2 can be pumped by utilizing the exhaust branch pipes 93 on the exhaust pipe 92, and the inside of the toughened glass hoods 22 forms a 'vacuum' environment;
in order to uniformly distribute the vacuum pump 91 and the control host 31 on the equipment support plate 7, positioning wing plates 71 connected with the side wall of the equipment shell 1 are arranged at two ends of the equipment support plate 7, positioning insertion holes matched with bolts are formed in the positioning wing plates 71 and the side wall of the equipment shell 1, positioning installation between the positioning wing plates 71 and the equipment shell 1 is facilitated, an embedded clamping groove 72 matched with the vacuum pump 91 is formed in one end of the top of the equipment support plate 7, positioning installation of the vacuum pump 91 on the equipment support plate 7 is facilitated, a limiting clamping plate 73 matched with the control host 31 is arranged at the other end of the top of the equipment support plate 7, and positioning installation of the control host 31 on the equipment support plate 7 is facilitated;
the invention designs a method for testing motor stator performance by utilizing a motor stator performance vacuum test system, which comprises the following steps:
s1: firstly, the device is in an initial position as shown in fig. 1, a motor stator to be detected is placed on the top of a stator detection platform 62, and is communicated with detection electronic equipment on the top of the stator detection platform 62;
s2: after the motor stator in the step S1 is installed, a command for controlling the shortening of the telescopic end of the push-pull electric telescopic rod 82 is sent to the control host 31 through the control panel 33, the support slide plate 5 is driven to slide backwards between the two limit slide rails 4 by utilizing the shortening of the telescopic end of the push-pull electric telescopic rod 82, and the work of the push-pull electric telescopic rod 82 is stopped after the rear side of the support slide plate 5 contacts with the rear end of the limit slide groove 43;
s3: after the supporting slide plate 5 with the motor stator is pulled back to the preset position in the step S2, a command for controlling the extension of the extension end of the vertical electric extension rod 61 is sent to the control host 31 through the control panel 33, and the extension of the extension end of the vertical electric extension rod 61 is utilized to enable the stator detection platform 62 with the motor stator to be pushed into the inner cavity of the positioning notch 11 under the limiting action of the guiding slide rod 63 and the guiding hole 53, so that the motor stator can be positioned in the inner cavity of the tempered glass cover 22 (as shown in fig. 9);
s4: after the motor stator in the step S3 is conveyed to the inner cavity of the tempered glass cover 22, a command for controlling the starting of the vacuum pump 91 and the starting of the detection electronic equipment on the stator detection platform 62 is sent to the control host 31 through the control panel 33, and the inner cavity of the air extraction pipe 92 can be extracted by utilizing the starting of the vacuum pump 91, so that the inner cavity of the tempered glass cover 22 in the vacuum cover assembly 2 can be extracted by utilizing the air extraction branch pipe 93 on the air extraction pipe 92, a vacuum environment is formed inside the tempered glass cover 22, the motor stator is detected in the vacuum environment, data detected by the electronic equipment is transmitted to the control host 31, and the data is displayed through the display screen 32, so that the judgment of the quality of the motor stator by workers is facilitated;
s5: after the motor stator is detected in step S4, the vacuum pump 91 and the detection electronic device are controlled to stop by the control panel 33, and then the vacuum pump 91 is controlled to reversely start to inflate the tempered glass cover 22, so that the operation of the vacuum pump 91 is stopped after the air pressure in the tempered glass cover 22 is the same as the external air pressure, and the shortening of the vertical electric telescopic rod 61 and the extension of the push-pull electric telescopic rod 82 are controlled respectively, so that the device is in an initial state, and thus the detection can be continuously performed under the vacuum environment for different motor stators.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a vacuum test system of motor stator performance, includes equipment casing, its characterized in that: the top of the equipment shell is provided with two vacuum cover components for vacuumizing, the two vacuum cover components are symmetrically arranged at the top of the equipment shell, the left side wall and the right side wall of the inner cavity of the equipment shell are fixed with limiting slide rails through bolts, a supporting slide plate is horizontally arranged between the two limiting slide rails, and two test components matched with the vacuum cover components are symmetrically arranged on the supporting slide plate;
the top of the equipment shell is symmetrically provided with positioning notches matched with the vacuum cover assembly, and the side walls of the inner cavities of the positioning notches are embedded and provided with rubber sealing rings;
the vacuum cover assembly comprises an annular base which is overlapped with the axis of the positioning notch, an annular groove is formed in the top of the annular base, a toughened glass cover with a transparent design is arranged in the inner cavity of the annular groove, and the toughened glass cover is connected with the annular base through sealant;
an equipment supporting plate is transversely mounted in the inner cavity of the equipment shell through bolts, the equipment supporting plate is arranged below the supporting sliding plate, and a push-pull assembly for pushing and pulling the supporting sliding plate to move back and forth is arranged between the rear side wall of the equipment shell and the top of the equipment supporting plate;
a vacuum assembly for vacuumizing and an operation display assembly for controlling the whole machine are arranged between the equipment support plate and the two vacuum cover assemblies;
the operation display assembly comprises a control host installed at the top of the equipment supporting plate, a display screen and a control panel installed at the top of the equipment casing, wherein the display screen is arranged at the rear sides of the two vacuum cover assemblies, the control panel is arranged at the front sides of the two vacuum cover assemblies, and the control ends of the display screen and the control panel are connected with the control ends of the control host through data lines respectively.
2. A vacuum testing system for motor stator performance as claimed in claim 1, wherein: the limit sliding rail comprises a limit stop, the side wall of the limit stop is welded with a fixed wing plate in an up-down symmetrical mode, the fixed wing plate is fixedly connected with the side wall of the equipment shell through a bolt, a limit sliding groove is formed in the front end of the limit stop, and the length of the limit sliding groove is twice the width of the support sliding plate.
3. A vacuum testing system for motor stator performance as claimed in claim 2, wherein: rectangular notch has all been seted up at the both ends of supporting the slide, the inner chamber of rectangular notch pass through pin movable mounting have a plurality of with spacing spout matched with spacing pulley, two sets of guiding holes have been seted up to the top symmetry of supporting the slide.
4. A vacuum testing system for motor stator performance according to claim 3, wherein: the testing assembly comprises vertical electric telescopic rods symmetrically arranged at the bottom of the supporting sliding plate through bolts, the telescopic ends of the vertical electric telescopic rods penetrate through the top of the supporting sliding plate, stator detection platforms matched with the positioning notch are horizontally arranged at the tops of the telescopic ends of the vertical electric telescopic rods, guide sliding rods matched with the guide holes are vertically arranged at the bottoms of the stator detection platforms, the bottoms of the guide sliding rods penetrate through the inner cavities of the guide holes, and the control ends of the two vertical electric telescopic rods are connected with the control ends of the control host through data lines.
5. The vacuum test system for motor stator performance of claim 4, wherein: the stator testing platform upper portion is circular rubber piece to and the lower part is the circular backup pad of echelonment structure, just be interference fit between the circular rubber piece on stator testing platform upper portion with be between the inner chamber of location notch, the lateral wall of the circular rubber piece on stator testing platform upper portion be provided with rubber seal matched with sealed draw-in groove, the bottom of the circular backup pad of stator testing platform lower part evenly be provided with direction slide bar matched with positioning sleeve, just the positioning sleeve with pass through threaded connection between the top of direction slide bar.
6. A vacuum testing system for motor stator performance as claimed in claim 1, wherein: the push-pull assembly comprises a telescopic rod supporting plate fixed in the middle of the top of the equipment supporting plate through bolts, the control end of the telescopic rod supporting plate is connected with the control end of the control host through the data line, the side wall of the telescopic rod supporting plate is inserted with a push-pull electric telescopic rod, the rear end of the push-pull electric telescopic rod is fixedly connected with the rear side wall of the inner cavity of the equipment shell through bolts, and the telescopic end of the front side of the push-pull electric telescopic rod is fixedly connected with the bottom of the supporting slide plate through a U-shaped lug plate and bolts.
7. A vacuum testing system for motor stator performance as claimed in claim 1, wherein: the vacuum assembly comprises a vacuum pump which is embedded and installed on the equipment supporting plate, the control end of the vacuum pump is connected with the control end of the control host through the data line, an exhaust pipe is installed at the top end of the vacuum pump, two exhaust branch pipes are arranged on the side wall of the exhaust pipe, and the two exhaust branch pipes penetrate through the top of the equipment shell and are respectively communicated with the inner cavities of the toughened glass covers.
8. The vacuum testing system for motor stator performance of claim 7, wherein: the utility model discloses a vacuum pump, including equipment support board, control host computer, equipment support board, vacuum pump matched with, equipment support board's both ends be provided with the location pterygoid lamina that equipment casing lateral wall is connected, just the location pterygoid lamina and the lateral wall of equipment casing all is provided with bolt matched with location jack, equipment support board's top one end be provided with vacuum pump matched with inlay the draw-in groove, just equipment support board's top other end be provided with control host computer matched with spacing cardboard.
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| CN202111556071.6A CN114355189B (en) | 2021-12-18 | 2021-12-18 | Vacuum test system for motor stator performance |
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| CN202111556071.6A CN114355189B (en) | 2021-12-18 | 2021-12-18 | Vacuum test system for motor stator performance |
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Address after: 215536 No. 1, XingMao Road, Bixi street, Changshu, Suzhou, Jiangsu Applicant after: Suzhou Intermold Technology Co.,Ltd. Address before: 215513 building 22, No. 6, Maqiao Road, Changshu Economic and Technological Development Zone, Suzhou, Jiangsu Applicant before: SUZHOU YINGTEMO AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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