CN207703400U - A kind of test device of high-voltage motor sealing performance - Google Patents
A kind of test device of high-voltage motor sealing performance Download PDFInfo
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- CN207703400U CN207703400U CN201721886108.0U CN201721886108U CN207703400U CN 207703400 U CN207703400 U CN 207703400U CN 201721886108 U CN201721886108 U CN 201721886108U CN 207703400 U CN207703400 U CN 207703400U
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- cylinder
- air bag
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- plate
- pressure testing
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Abstract
The utility model belongs to high-voltage motor test device field more particularly to a kind of test device of high-voltage motor sealing performance, it is characterised in that：The one end open of the air bag and its open end are sleeved on the outside of motor case front end-plate, and the outside of the air bag is provided with bleeding point, and the fixed cuff makes outside of the air bag opening end cap tightly in motor case front end-plate in the outside at air bag opening end；The cylinder mouth is secured by bolts on motor case front end-plate, the telescoping mechanism is fixed on the outside of pressure testing cylinder and it is located at the side opposite with cylinder mouth, the telescoping mechanism passes through the cylinder body of pressure testing cylinder to be connected with piston and moves reciprocatingly in cylinder body with piston, the outside of the pressure testing cylinder is provided with cylinder body gas outlet, cylinder body air inlet, and the cylinder body air inlet is connected to by tracheae with gas cylinder.
Description
Technical field
The utility model belongs to high-voltage motor test device field more particularly to a kind of test of high-voltage motor sealing performance
Device.
Background technology
High-voltage motor refer to rated voltage in 1000V with upper motor, high-voltage motor can be used for driving various different machineries,
Such as compressor, water pump, crusher, stock-removing machine, Transport Machinery, for mine, mechanical industry, petrochemical industry, generator
Etc. it is various industry in be used as prime mover.Output shaft one end of high-voltage motor is set to the casing internal of motor and the internal junction of motor
Structure is connected, and the front end-plate that the output shaft other end is pierced by motor case is located at outside casing, the front end-plate of output shaft and motor case
Contact site is sealed by sealing structure, and under some special service conditions, such as hot environment, the quality of sealing are straight
The safety for affecting the service life of motor and using is connect, the sealing performance to high-voltage motor output shaft position is needed to survey
Examination.
Chinese patent CN 202041352U provide a kind of high temperature and high pressure environment motor rotatory sealing test device, special
Sign is, including：Pressure testing cylinder, the pressure testing cylinder are barrel-like structure, inside filling fluid；Cylinder cap, the cylinder cap are flexibly connected institute
State pressure testing cylinder, the cylinder cap is provided with the connection pressure testing by sealing structure mating connection motor output shaft on the cylinder cap
The pouring orifice of cylinder interior.Although this sealing test device can test the sealing position of the output shaft of motor,
Deep fat liquid must be utilized in its test process, if sealing is unqualified, deep fat liquid is easy to penetrate into inside motor along gap, has detected
The deep fat liquid of Bi Hou, infiltration must be clean by manual cleaning, aggravate the workload of worker, therefore, it is necessary to the prior art
It is improved.
Invention content
The utility model need to provide one kind for deep fat liquid by manual cleaning, the technical issues of worker's heavy workload
The test device of high-voltage motor sealing performance.
Technical solution used by the utility model is：
A kind of test device of high-voltage motor sealing performance, including pressure testing cylinder, it is characterised in that：Further include defeated with motor
Motor case front end-plate, air bag, fixing sleeve, piston, the telescoping mechanism of shaft, the one end open of the air bag and its end cap that is open
In the outside of motor case front end-plate, the outside of the air bag is provided with bleeding point, and bleeding point valve is provided on the bleeding point
Door, the fixed cuff make outside of the air bag opening end cap tightly in motor case front end-plate in the outside at air bag opening end；
One end of pressure testing cylinder towards the motor case front end-plate is provided with cylinder mouth, and the cylinder mouth is secured by bolts in electricity
On machine casing front end-plate, the cylinder mouth, motor case front end-plate contact site between be provided with seal with annular groove washer, the work
Plug is located at the inside of pressure testing cylinder and it is radial parallel with motor case front end-plate, and the telescoping mechanism is fixed on pressure testing cylinder
External and it is located at the side opposite with cylinder mouth, the telescoping mechanism is connected across the cylinder body of pressure testing cylinder with piston, the examination
The outside of cylinder pressure is provided with cylinder body gas outlet, cylinder body air inlet, and the cylinder body air inlet is connected to by tracheae with gas cylinder, institute
It states and is provided with gas outlet valve on cylinder body gas outlet, air inlet valve, the motor output are provided on the cylinder body air inlet
One end of axis is located in air bag and its other end is located in pressure testing cylinder.
The fixing sleeve is resilient sleeve.
The telescoping mechanism passes through the cylinder body position of pressure testing cylinder to be provided with sealing ring.
Further include air bag supporting plate, the air bag supporting plate support is in the outside of air bag.
The cross section of the air bag is annular, and the air bag supporting plate is arc-shaped.
The axial direction of the air bag supporting plate upper edge air bag is provided with graduation mark.
The gas cylinder is high-pressure nitrogen bottle.
The telescoping mechanism is cylinder.
The bolt is handle bolt, and air bag is rubber pneumatic bag.
The outside of the pressure testing cylinder is provided with pressure gauge.
The beneficial effects of the utility model are：
1, the utility model utilizes the sealing performance of gas detection high-voltage motor, instead of deep fat liquid, after being completed, only
Gas need to be released, without clearing up deep fat liquid, reduce the workload of worker；
2, traditional test mode is after motor installs, using entire motor as test object, testing of electric motors output
The sealing performance of axle portion position, motor volume is big, structure bulky, move it is very inconvenient, and if leakproofness go wrong also need by
Motor is fully open, is reinstalled after dismounting；It only need to be in motor case front end-plate and motor shaft in test using the present apparatus
Tested after installing, volume is relatively small, move it is more convenient, if leakproofness goes wrong, directly dismounting after pacify again
Dress has saved the take-down time, improves production efficiency；
3, simple in structure, good appearance is dismantled easy for installation.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the left view structural representation of the utility model；
Fig. 4 is the right side structural representation of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
In figure, 1- pressure testing cylinders, 2- motor output shafts, 3- motor case front end-plates, 4- air bags, 5- fixing sleeves, 6- pistons, 7-
Telescoping mechanism, the open ends 8-, 9- bleeding points, 10- bleeding point valves, 11- cylinder mouths, 12- bolts, 13- seal with annular groove washers, 14-
Cylinder body gas outlet, 15- cylinder body air inlets, 16- tracheaes, 17- gas cylinders, the gas outlets 18- valve, 19- air inlet valves, 20-
Sealing ring, 21- air bag supporting plates, 22- graduation marks, 23- pressure gauges.
Embodiment
As shown in Figs 1-4, a kind of test device of high-voltage motor sealing performance, including pressure testing cylinder 1, carry motor output shaft
2 motor case front end-plate 3, air bag 4, fixing sleeve 5, piston 6, telescoping mechanism 7；
The one end open of air bag 4 and its open end 8 are sleeved on the outside of motor case front end-plate 3, outside the other end of air bag 4
Integrally formed with a bleeding point 9, the connection of bleeding point 9 and 4 internal cavities of air bag and bleeding point valve 10 is installed thereon, takes out
The mounting means of gas port valve 10 is compared with technology；
Fixing sleeve 5 is the resilient sleeve of a both ends open, and material can be rubber, latex or silica gel, and hoop is opened in air bag 4
The outside at mouth end 8 makes 4 open end 8 of air bag be locked in the outside of motor case front end-plate 3, and 4 open end 8 of air bag is made tightly to be fitted in
On motor case front end-plate 3, mounting means is very simple and avoids the gas leakage in sealing performance test process；
Pressure testing cylinder 1 is a hollow tubular structure, and bottom is welded with holder, towards the one of motor case front end-plate 3
End is cylinder mouth 11, and cylinder mouth 11 is fixed on by bolt 12 on motor case front end-plate 3, and the specific mounting means of bolt 12 is：
Using the blind screw hole carried on motor case front end-plate 3, opened on cylinder mouth 11 opposite with blind screw hole position
Bolt 12 is locked at out by screw-thread fit in internal thread through hole, blind screw hole by the internal thread through hole answered；According to state's domestic discipline and family rules
Determine the motor of standard production, motor case front end-plate 3 has standard-sized internal thread blind towards the side inside motor case
Hole, this blind screw hole with other structures part for fitting together, and when bolt 12 is installed, that is, this blind hole is utilized, without in electricity
Other trepanning on machine casing front end-plate 3；For the motor of special tectonic, if inner surface can utilize motor without blind screw hole
Casing front end-plate 3 is towards the internal thread through hole of side outside motor case, the portion that the nut of bolt 12 is contacted with internal thread through hole
Position can pad a gasket seal, and the end of internal thread through hole can be blocked with seal rubber plug, and the gas for preventing from entering in air bag 4 is logical
Cross internal thread through hole leakage；
Cylinder mouth 11, motor case front end-plate 3 contact site between be lined with seal with annular groove washer 13 and seal cylinder mouth 11, motor
The contact site of casing front end-plate 3 enhances sealing performance, prevents gas leakage in test process；
Piston 6 is located at the inside of pressure testing cylinder 1 and it is radial parallel with motor case front end-plate 3, the outer diameter of piston 6 with
The internal diameter of pressure testing cylinder 1 is identical, and the side wall of piston 6 is fitted on the inner wall of pressure testing cylinder 1, piston 6 by the both sides inside test cylinder (jar) 1 every
It is broken into relatively independent space；
Telescoping mechanism 7 is cylinder, and external shell is secured by bolts in the outside of pressure testing cylinder 1 and it is located at and cylinder
11 opposite sides of mouth, specific fixed form are：Open blind screw hole in the outside of pressure testing cylinder 1, bolt by screw-thread fit in
The shell of cylinder is fixed on outside pressure testing cylinder 1 in blind screw hole；
The piston rod of cylinder passes through the cylinder body of pressure testing cylinder 1 to be connected with piston 6 and moves reciprocatingly in cylinder body with piston 6,
The outside weldings of pressure testing cylinder 1 or the cylinder body gas outlet 14 being connected integrally formed with the cylinder interior cavity with pressure testing cylinder 1, cylinder body
Air inlet 15, cylinder body air inlet 15 are connected to the gas outlet of gas cylinder 17 by tracheae 16, are equipped on cylinder body gas outlet 14
Gas outlet valve 18 is equipped with air inlet valve 19, the installation of gas outlet valve 18, air inlet valve 19 on cylinder body air inlet 15
Mode is compared with technology；
One end of motor output shaft 2 is located in air bag 4 and its other end is located in pressure testing cylinder 1；
Telescoping mechanism 7 passes through the position of the cylinder body of pressure testing cylinder 1 to be lined with 20 position in sealing contact of sealing ring；
Test device further includes air bag supporting plate 21, and 21 support of air bag supporting plate is in the outside of air bag 4, the lower part of air bag supporting plate 21
It is fixed with supporting rack, fixed form is welding, is bolted；
The cross section of air bag 4 is annular, and air bag supporting plate 21 is arc-shaped；
Axial brush of 21 upper edge air bag 4 of air bag supporting plate has graduation mark 22, if when poorly sealed, it can be with by graduation mark 22
The degree that rough measure air bag 4 swells, the degree poorly sealed for rough estimate；
Gas cylinder 17 is high-pressure nitrogen bottle, and nitrogen is inert gas, and price is low, nonflammable, safe to use；
Bolt 12 is handle bolt, easy for removal and installation；
Air bag 4 is rubber pneumatic bag, and elasticity is good, and service life is long, is hardly damaged；
The outside of pressure testing cylinder 1 is provided with pressure gauge, for detecting the pressure inside pressure testing cylinder 1；
Air compressor is used to be supplied for cylinder, cylinder can start, and piston rod can carry out expanding-contracting action.
Operation principle
When the utility model is used, concrete operation step is as follows：
(1) bleeding point 9 of the bleeding point of aspiration pump and air bag 4 is opened into aspiration pump, bleeding point valve by pipeline connection
10 pump the air inside air bag 4, and air bag 4 can become shrivelled shape, are then shut off bleeding point valve 10, by pipeline from air bag 4
Bleeding point 9 on pull, close aspiration pump；
(2) air inlet valve 19, the air outlet valve on gas cylinder 17 are opened, gas outlet valve 18, gas cylinder 17 are closed
Interior nitrogen enters along tracheae 16, cylinder body air inlet 15 in pressure testing cylinder 1, observes the reading of pressure gauge 23, waits for reaching in pressure testing cylinder 1
When certain pressure value, air outlet valve, the closing air inlet valve 19 on gas cylinder 17 are closed, cylinder, the piston rod of cylinder are started
The direction that stretches out cylinder pushes piston 6 to motor case front end-plate 3 is mobile and compresses the nitrogen in pressure testing cylinder 1；
If poorly sealed between motor case front end-plate 3 and motor output shaft 2, the nitrogen in pressure testing cylinder 1 can be along motor machine
Gap between shell front end-plate 3 and motor output shaft 2 enters in air bag 4, and air bag 4 can be transformed into the state heaved by shrivelled shape,
If unchanged in air bag 4, i.e. good seal；
(3) after being completed, gas outlet valve 18 is opened, the inside of pressure testing cylinder 1 is communicated with ambient atmosphere and is released in it
The nitrogen in portion, restarts cylinder, and the piston rod of cylinder moves into band piston 6 in cylinder and returns to original position；
(4) bolt 12 is rotated, bolt 12 is disassembled from motor case front end-plate 3, before pressure testing cylinder 1 and motor case
End plate 3 is i.e. separable；
(5) since fixing sleeve 5 is flexible, the opening position of fixing sleeve 5 is pulled out, makes opening Extensive site and from gas
It is separated on the open end 8 of capsule 4；
(6) open end 8 of air bag 4 is pulled to outside motor case front end-plate 3, open end 8 is made to expand and from motor case
It is separated on front end-plate 3, you can the motor case front end-plate 3 with motor output shaft 2 more renewed is for testing.
1 embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of test device of high-voltage motor sealing performance, including pressure testing cylinder, it is characterised in that：Further include being exported with motor
Motor case front end-plate, air bag, fixing sleeve, piston, the telescoping mechanism of axis, the one end open of the air bag and its open end are sleeved on
The outside of the outside of motor case front end-plate, the air bag is provided with bleeding point, and bleeding point valve is provided on the bleeding point,
The fixed cuff makes outside of the air bag opening end cap tightly in motor case front end-plate in the outside at air bag opening end；
One end of pressure testing cylinder towards the motor case front end-plate is provided with cylinder mouth, and the cylinder mouth is secured by bolts in motor machine
On shell front end-plate, the cylinder mouth, motor case front end-plate contact site between be provided with seal with annular groove washer, the piston position
In the inside of pressure testing cylinder and it is radial parallel with motor case front end-plate, and the telescoping mechanism is fixed on the outside of pressure testing cylinder
And it is located at the side opposite with cylinder mouth, and the telescoping mechanism passes through the cylinder body of pressure testing cylinder to be connected with piston, the pressure testing cylinder
Outside be provided with cylinder body gas outlet, cylinder body air inlet, the cylinder body air inlet is connected to by tracheae with gas cylinder, the cylinder
It is provided with gas outlet valve on body gas outlet, air inlet valve is provided on the cylinder body air inlet, the motor output shaft
One end is located in air bag and its other end is located in pressure testing cylinder.
2. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The fixing sleeve
For resilient sleeve.
3. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The telescopic machine
Structure passes through the cylinder body position of pressure testing cylinder to be provided with sealing ring.
4. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：It further include air bag
Supporting plate, the air bag supporting plate support is in the outside of air bag.
5. a kind of test device of high-voltage motor sealing performance according to claim 4, it is characterised in that：The air bag
Cross section is annular, and the air bag supporting plate is arc-shaped.
6. a kind of test device of high-voltage motor sealing performance according to claim 4, it is characterised in that：The air bag support
The axial direction of plate upper edge air bag is provided with graduation mark.
7. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The high pressure gas
Bottle is high-pressure nitrogen bottle.
8. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The telescopic machine
Structure is cylinder.
9. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The bolt is
Handle bolt, the air bag are rubber pneumatic bag.
10. a kind of test device of high-voltage motor sealing performance according to claim 1, it is characterised in that：The pressure testing
The outside of cylinder is provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886108.0U CN207703400U (en) | 2017-12-29 | 2017-12-29 | A kind of test device of high-voltage motor sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886108.0U CN207703400U (en) | 2017-12-29 | 2017-12-29 | A kind of test device of high-voltage motor sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703400U true CN207703400U (en) | 2018-08-07 |
Family
ID=63030000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886108.0U Expired - Fee Related CN207703400U (en) | 2017-12-29 | 2017-12-29 | A kind of test device of high-voltage motor sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596286A (en) * | 2019-01-18 | 2019-04-09 | 阜阳市华顺水泥制品有限公司 | A kind of cement culvert pipe air-tightness detection device that detection efficiency is high |
| CN116858436A (en) * | 2023-09-04 | 2023-10-10 | 常州宝捷电机制造有限公司 | Tightness detection device for motor detection |
-
2017
- 2017-12-29 CN CN201721886108.0U patent/CN207703400U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596286A (en) * | 2019-01-18 | 2019-04-09 | 阜阳市华顺水泥制品有限公司 | A kind of cement culvert pipe air-tightness detection device that detection efficiency is high |
| CN109596286B (en) * | 2019-01-18 | 2020-12-22 | 阜阳市华顺水泥制品有限公司 | Cement culvert pipe gas tightness detection device that detection efficiency is high |
| CN116858436A (en) * | 2023-09-04 | 2023-10-10 | 常州宝捷电机制造有限公司 | Tightness detection device for motor detection |
| CN116858436B (en) * | 2023-09-04 | 2023-11-28 | 常州宝捷电机制造有限公司 | Tightness detection device for motor detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |