CN102608530B - Vacuum test device for testing induction motor stator performance - Google Patents
Vacuum test device for testing induction motor stator performance Download PDFInfo
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- CN102608530B CN102608530B CN201210052111.8A CN201210052111A CN102608530B CN 102608530 B CN102608530 B CN 102608530B CN 201210052111 A CN201210052111 A CN 201210052111A CN 102608530 B CN102608530 B CN 102608530B
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Abstract
The invention belongs to the field of the application of a motor detection technology, and specifically relates to a vacuum test device for testing the induction motor stator performance. The vacuum test device provided by the invention comprises a working table frame and a vacuum cover suspended above the tabletop of the working table frame; a sealing component matched with a vacuum cover opening is correspondingly arranged on the tabletop; the vacuum test device also comprises a vacuumizing component and an induction motor stator test component; a fixed test end of the induction motor stator test component is located in an area surrounded by the sealing component; the working table frame is also provided with a power source for driving the vacuum cover to linearly reciprocate up and down and guide parts for guiding the moving direction of the vacuum cover; and more than two guide parts are provided and symmetrically arranged on the two sides of the axis of the vacuum cover body. In the invention, since the guide structures are symmetrically arranged on the two sides of the axis of the vacuum cover, the vacuum cover, the guide parts and even the whole structure experience balanced and uniform stress in movement, thus the fault rate and maintenance cost are greatly reduced, the working reliability is high, and the service life is obviously prolonged.
Description
Technical field
The invention belongs to electric machines test technical applications, being specifically related to a kind of vacuum test device for testing induction machine stator performance.
Background technology
At present, vacuum test device for induction machine stator performance test all generally uses cantilevered structure, specifically comprise the rail portion of vertically arranging, its rail portion arranges horizontal mounting plate, horizontal mounting plate parallel one lateral plates direction is provided with cantilever lever, cantilever lever top is then hung and is provided with vacuum (-tight) housing, is provided with the Working gantry for settling multiple measuring unit be sealed and matched with its formation immediately below vacuum (-tight) housing, and by air cylinder driven, it produces up and down reciprocatingly linearly operating along rail portion to its installing plate; When real work, Working gantry is fixed stator to be measured, open machine, vacuum (-tight) housing moves along rail portion and covers on Working gantry, close fit is formed between the sealing gasket of now vacuum (-tight) housing cover mouth and Working gantry, and then use vacuum extractor to perform and vacuumize action, thus finally for the induction machine stator performance test under vacuum condition provides experimental situation.There is following defect in said structure: on the one hand, when vacuum drawn, the cover body of vacuum (-tight) housing shrinks and drives cantilever lever end to produce pressing action, vacuum (-tight) housing originally also can produce pressure to cantilever lever when suspention simultaneously, these all often cause installing plate affixed with it to produce tilt phenomenon, thus cause the unbalance stress of rail portion entirety, and then have influence on the normal operation of device, simultaneously, after installing plate tilts, also the screw generation breakage phenomenon on installing plate is very easily caused, interrupt experiments of having to carries out maintain and replace, all above, the vacuum test device failure rate that all result in induction machine stator performance test is high, serviceable life is low, its maintenance cost is also extremely high simultaneously, on the other hand, gasket ring mouth radial dimension on Working gantry and vacuum (-tight) housing cover bore are to consistent size, causing often affecting its actual sealing state because the vacuum (-tight) housing under suspended state occurs when falling to swing in practical operation, finally affecting the accuracy of its experimental data.
Summary of the invention
The object of this invention is to provide a kind of structure simply for the vacuum test device of induction machine stator performance, the high and long service life of its functional reliability.
For achieving the above object, present invention employs following technical scheme: a kind of vacuum test device for induction machine stator performance, comprise Working gantry and be suspended in the vacuum (-tight) housing above Working gantry table top, described table top is correspondingly provided with the seal assembly coordinated with vacuum (-tight) housing cover mouth, described vacuum test device also comprises and vacuumizes assembly and induction machine stator test suite, the fixing test end of described induction machine stator test suite is positioned at the region that seal assembly encloses, described Working gantry is also provided with for driving vacuum (-tight) housing to make the power source of up and down reciprocatingly linearly operating and the guide part of guiding vacuum (-tight) housing direction of action, described guide part is two or more and arranges in vacuum (-tight) housing cover body axis symmetria bilateralis.
Major advantage of the present invention is: abandoned traditional cantilever structure, guide frame is symmetrically arranged in vacuum (-tight) housing axis both sides, vacuum (-tight) housing presses down and suspends produced power in midair and can be taken by guide part absorption, thus make its vacuum (-tight) housing, guide part and even the one-piece construction equal stress balance when action even, avoid the problems such as the rail portion bending inclination that traditional structure causes, greatly reduce its failure rate and maintenance cost, functional reliability is high, and serviceable life significantly increases.
Accompanying drawing explanation
Fig. 1-2 is structural representation of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is each modular construction schematic diagram in Working gantry top plate face place;
Fig. 5 is the I part partial enlarged drawing of Fig. 4.
Embodiment
A kind of vacuum test device for induction machine stator performance, comprise Working gantry 10 and be suspended in the vacuum (-tight) housing 20 above Working gantry 10 table top, described table top is correspondingly provided with the seal assembly 30 covering mouth with vacuum (-tight) housing 20 and coordinate, described vacuum test device also comprises and vacuumizes assembly a and induction machine stator test suite b, the fixing test end of described induction machine stator test suite is positioned at the region that seal assembly 30 encloses, described Working gantry 10 is also provided with for driving vacuum (-tight) housing 20 to make the power source 40 of up and down reciprocatingly linearly operating and the guide part of guiding vacuum (-tight) housing 20 direction of action, described guide part is two or more and arranges in vacuum (-tight) housing 20 cover body axis symmetria bilateralis, as Figure 1-4.
As present invention further optimization scheme: as shown in Figure 4, described power source 40 is piston cylinder, the piston rod top of described power source 40 is fixed in vacuum (-tight) housing 20 apical position place and its bar length direction overlaps with vacuum (-tight) housing 20 axis direction and arranges, and described guide part is two and the piston rod stroke route both sides being symmetrically arranged in power source 40 are arranged.Like this, when power source 40 drives vacuum (-tight) housing 20 to do reciprocating linear motion, owing to itself directly providing vacuum (-tight) housing 20 with driving force, rely on guide part to guide as direction simultaneously, thus realize accurate guiding of the present invention, in addition, because guide part is all symmetrically arranged in the piston rod both sides of power source 40, thus making vacuum (-tight) housing 20 and total stress balance in course of action, long service life, overall work is safe and reliable.
Further, described power source 40 is cylinder, simultaneously, as illustrated in figures 4-5, described guide part comprises guide pole 51, and on described Working gantry 10, corresponding guide pole 51 is provided with pilot hole 11, and the piston rod apical position place of power source 40 is fixed in described guide pole 51 one end, its other end is postponed through pilot hole 11 and is coordinated with its formation is guide tracked, and described guide pole 51 length is more than or equal to vacuum (-tight) housing 20 stroke.Certainly, actual when using and make, its guide pole 51 can be multiple with the fit system of pilot hole 11, the present invention further reduces above-mentioned friction factor between the two, described pilot hole 11 inwall with form guide bearing formula between guide pole 51 outer wall and coordinate, thus by coordinating both it, changing to rolls coordinates, and is extended further to make its serviceable life.
Further, consider itself design error and alignment error, for ensure vacuum (-tight) housing 20 can detain accurately and effectively cover on seal assembly 30 and and form complete face fit-state between it, the piston rod top of described power source 40 with form floating junction formula between vacuum (-tight) housing 20 and coordinate.Floating junction formula herein coordinates, can be regarded as bulb shape cooperation etc., like this, when vacuum (-tight) housing 20 falls and touches the end face of seal assembly 30, even if there is a little error when original processing and assembling, owing to being provided with floating junction between power source 40 own and vacuum (-tight) housing 20, vacuum (-tight) housing 20 is corrected voluntarily when falling, and guarantees the reliable fit between itself and seal assembly 30.
As present invention further optimization scheme, following description is done to Working gantry 10 herein: as Figure 1-4, described Working gantry 10 profile is stratiform frame cupboard shape structure, the cylinder body front end of described pilot hole 11 and power source 40 is all fixed on Working gantry 10 top plate face, described table top is positioned on Working gantry 10 lower plywood face, described guide part also comprises the upper of plate face vertically-guided bar 51 length direction setting, lower installation board 52, 53, on, lower installation board 52, 53 are arranged in both sides, Working gantry 10 top plate face respectively, described lower installation board 53 is fixed on power source 40 piston rod apical position place, guide pole 51 one end is fixed on lower installation board 53, its other end is upwards postponed and is fixed in upper mounting plate 52 place.In other words, its Working gantry 10 top plate face itself is located between upper and lower installing plate 52,53, guide pole 51 is through Working gantry 10 top plate face and two ends are fixed on upper and lower installing plate 52,53 respectively, simultaneously, its lower installation board 53 also and affixed between the piston rod end of power source 40, thus realize lower installation board 53 and even guide pole 51 and linkage action between power source 40; The structural form of its upper mounting plate 52 can be multiple, a kind of way of realization is provided in Fig. 1-4 of the present invention, be it overall form " mouth " shape and to be socketed on power source 40 cylinder body and to there is gap between itself and power source 40 cylinder body, also namely the non-interference state dodged is between upper mounting plate 52 and power source 40 cylinder body, when power source 40 drives vacuum (-tight) housing 20 to decline or rise, there is slide or rolling in guide pole 51, vacuum (-tight) housing 20 is achieved accurate guiding thereupon and between pilot hole 11.
Further, as Figure 1-4, described vacuum test device also comprises bydraulic buffers 70, described bydraulic buffers 70 to be arranged on upper mounting plate 52 and to be postponed towards Working gantry 10 top plate face layout by its plate, and buffer end and the Working gantry 10 top plate interplanar distance of described bydraulic buffers 70 are less than vacuum (-tight) housing 20 stroke.Why bydraulic buffers 70 is set; also be the rapid reaction considering power source 40 own; when it drives vacuum (-tight) housing 20 to fall fast; namely bydraulic buffers 70 constitutes the protection and adjusting part that regulate power source 40 end falling stroke, thus enable vacuum (-tight) housing 20 be able in the end stroke time slow down and slowly fall.
Further, as Figure 1-3, seal assembly 30 is rubber seal chassis, and described seal assembly 30 is in cylinder shape, and its nozzle minimum diameter is greater than vacuum (-tight) housing 20 and covers mouth maximum gauge.In addition, for realizing for the timing monitoring of power source 40 running status, the built-in magnet ring of power source 40, power source 40 appearance is provided with Magnetic Induction switch, and magnet ring and Magnetic Induction switch are formed to be monitored power source 40 and to decline the monitoring unit of information.
Further, consider that the present invention is all in energising duty when operating, for avoiding personnel to accidentally injure, improve its security, operating personnel's side of closing on of described Working gantry 10 table top is provided with safeguard protection grating 80, as Figure 1-3.Like this, when the body part of operating personnel crosses safeguard protection grating 80 when operating, machine then can be pointed out or directly cut off running status to stop experiment by automatic acousto-optic, thus plays protection operating personnel object.
The present invention is when actual fabrication, scheme selected by Fig. 1-4 can be considered, the vacuum test device that two group is arranged in juxtaposition is designed to by it, when wherein one group of vacuum test device is when running and test, operating personnel can organize vacuum test device to another and carry out induction machine stator and install fixing, dismantle and repeat new stator to be measured is installed to the motor stator that front group has completed test again when this group fixedly completes and tests, and so forth, thus can effectively improve its testing efficiency, realize the performance of enterprises and maximize.
Referring to Fig. 1-4, following specific descriptions are done to workflow of the present invention:
(1), confirm that the present invention is in automatic test mode under, induction machine stator to be measured is fixed on the fixing test end place in seal assembly 30, stirs starting switch;
(2), control the solenoid valve that moves up and down of power source 40 and obtain instruction, solenoid valve is opened, and vacuum (-tight) housing 20 starts to decline; Synchronous control valve for fluids obtains instruction unpack, and the vacuum pump vacuumized in assembly starts to start;
(3), under bydraulic buffers 70 acts on, vacuum (-tight) housing 20 starts in last stroke place slowly decline and finally touch seal assembly 30;
(4), vacuum (-tight) housing 20 declines end completely, its cover mouth and seal assembly 30 nozzle face fit to form confined space, the Magnetic Induction switch being arranged on power source 40 place obtains power source 40 and to decline end signal, digital pressure switch c opens, when in vacuum chamber (being also aforementioned confined space), vacuum tightness reaches set pressure, digital pressure switch c feeds back signal to PLC, and vacuum pump quits work.
(5), induction machine stator test suite obtains the beginning test instruction that PLC sends, and carries out performance test;
(6), test and terminate, PLC obtains feedback signal, sends control valve for fluids opening signal, and valve body opens vacuum chamber release of pressure;
(7), vacuum chamber release of pressure terminates, and control the solenoid valve that power source 40 moves up and down and synchronously obtain OPEN, the piston rod of power source 40 bounces back and drives vacuum (-tight) housing 40 to rise, and a whole set of workflow terminates; After induction machine stator to be measured is changed, aforesaid operations can be repeated.
Claims (9)
1. the vacuum test device for induction machine stator performance, comprise Working gantry (10) and be suspended in the vacuum (-tight) housing (20) above Working gantry (10) table top, described table top is correspondingly provided with the seal assembly (30) coordinated with vacuum (-tight) housing (20) cover mouth, described vacuum test device also comprises and vacuumizes assembly and induction machine stator test suite, the fixing test end of described induction machine stator test suite is positioned at the region that seal assembly (30) encloses, it is characterized in that: described Working gantry (10) is also provided with for driving vacuum (-tight) housing (20) to make the power source (40) of up and down reciprocatingly linearly operating and the guide part of guiding vacuum (-tight) housing (20) direction of action, described guide part is two or more and arranges in vacuum (-tight) housing (20) cover body axis symmetria bilateralis, described power source (40) is piston cylinder, the piston rod top of described power source (40) is fixed in vacuum (-tight) housing (20) apical position place and its bar length direction overlaps with vacuum (-tight) housing (20) axis direction and arranges, and described guide part is two and the piston rod stroke route both sides being symmetrically arranged in power source (40) are arranged.
2. vacuum test device according to claim 1, it is characterized in that: described power source (40) is cylinder, described guide part comprises guide pole (51), the upper corresponding guide pole (51) of described Working gantry (10) is provided with pilot hole (11), the piston rod apical position place of power source (40) is fixed in described guide pole (51) one end, the other end is postponed through pilot hole (11) and is coordinated with its formation is guide tracked, and described guide pole (51) length is more than or equal to vacuum (-tight) housing (20) stroke.
3. vacuum test device according to claim 2, is characterized in that: form guide bearing formula between described pilot hole (11) inwall with guide pole (51) outer wall and coordinate.
4. the vacuum test device according to claim 1 or 2 or 3, is characterized in that: the piston rod top of described power source (40) with form floating junction formula between vacuum (-tight) housing (20) and coordinate.
5. the vacuum test device according to Claims 2 or 3, it is characterized in that: described Working gantry (10) profile is stratiform frame cupboard shape structure, the cylinder body front end of described pilot hole (11) and power source (40) is all fixed on Working gantry (10) top plate face, described table top is positioned on Working gantry (10) lower plywood face, described guide part also comprises the upper of plate face vertically-guided bar (51) length direction setting, lower installation board (52, 53), on, lower installation board (52, 53) both sides, Working gantry (10) top plate face are arranged in respectively, described lower installation board (53) is fixed on power source (40) piston rod apical position place, guide pole (51) one end is fixed on lower installation board (53), its other end is upwards postponed and is fixed in upper mounting plate (52) place.
6. vacuum test device according to claim 5, it is characterized in that: described vacuum test device also comprises bydraulic buffers (70), it is upper and to be postponed towards Working gantry (10) top plate face layout by its plate that described bydraulic buffers (70) is arranged at upper mounting plate (52), and buffer end and Working gantry (10) the top plate interplanar distance of described bydraulic buffers (70) are less than vacuum (-tight) housing (20) stroke.
7. the vacuum test device according to claim 1 or 2 or 3, is characterized in that: described seal assembly (30) is rubber seal chassis, and described seal assembly (30) is in cylinder shape, and its nozzle minimum diameter is greater than vacuum (-tight) housing (20) cover mouth maximum gauge.
8. the vacuum test device according to claim 1 or 2 or 3, it is characterized in that: described power source (40) built-in magnet ring, power source (40) appearance is provided with Magnetic Induction switch, and described magnet ring and Magnetic Induction switch form the monitoring unit monitoring power source (40) decline information.
9. the vacuum test device according to claim 1 or 2 or 3, is characterized in that: operating personnel's side of closing on of described Working gantry (10) table top is provided with safeguard protection grating (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052111.8A CN102608530B (en) | 2012-03-02 | 2012-03-02 | Vacuum test device for testing induction motor stator performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052111.8A CN102608530B (en) | 2012-03-02 | 2012-03-02 | Vacuum test device for testing induction motor stator performance |
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| Publication Number | Publication Date |
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| CN102608530A CN102608530A (en) | 2012-07-25 |
| CN102608530B true CN102608530B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210052111.8A Active CN102608530B (en) | 2012-03-02 | 2012-03-02 | Vacuum test device for testing induction motor stator performance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454583B (en) * | 2013-08-02 | 2016-01-13 | 上海交通大学 | The split type vacuum direct-drive motor method of testing of modularization, device and installation method thereof |
| CN105223503B (en) * | 2015-11-10 | 2018-09-07 | 珠海凯邦电机制造有限公司 | Motor performance test tooling |
| CN114355189B (en) * | 2021-12-18 | 2024-02-20 | 苏州英特模科技股份有限公司 | Vacuum test system for motor stator performance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828332A1 (en) * | 1996-08-05 | 1998-03-11 | The BOC Group plc | Vacuum pump status evaluation system |
| CN101393113A (en) * | 2008-11-05 | 2009-03-25 | 中国科学院力学研究所 | Device for measuring material friction action in multiatmosphere and vacuum environment |
| CN202256630U (en) * | 2011-09-23 | 2012-05-30 | 珠海格力电器股份有限公司 | Online detection device of motor stator |
| CN202512215U (en) * | 2012-03-02 | 2012-10-31 | 合肥凯邦电机有限公司 | Vacuum test device for induction motor stator performance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62180282A (en) * | 1986-02-05 | 1987-08-07 | Shinko Electric Co Ltd | Nondestructive inspecting method for defect in insulation of low-pressure rotary machine |
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2012
- 2012-03-02 CN CN201210052111.8A patent/CN102608530B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0828332A1 (en) * | 1996-08-05 | 1998-03-11 | The BOC Group plc | Vacuum pump status evaluation system |
| CN101393113A (en) * | 2008-11-05 | 2009-03-25 | 中国科学院力学研究所 | Device for measuring material friction action in multiatmosphere and vacuum environment |
| CN202256630U (en) * | 2011-09-23 | 2012-05-30 | 珠海格力电器股份有限公司 | Online detection device of motor stator |
| CN202512215U (en) * | 2012-03-02 | 2012-10-31 | 合肥凯邦电机有限公司 | Vacuum test device for induction motor stator performance |
Non-Patent Citations (1)
| Title |
|---|
| 真空环境下超声电机的速度测试与控制;芦丹等;《光学精密工程》;20080731;第16卷(第7期);全文 * |
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