CN207570742U - For the air-tightness detection tool of generator amature - Google Patents
For the air-tightness detection tool of generator amature Download PDFInfo
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- CN207570742U CN207570742U CN201721843615.6U CN201721843615U CN207570742U CN 207570742 U CN207570742 U CN 207570742U CN 201721843615 U CN201721843615 U CN 201721843615U CN 207570742 U CN207570742 U CN 207570742U
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of air-tightness detection tool for generator amature, including：Disk body, disk body have the sealing surface for sealed electric generator rotor end-face, and disk body has inlet channel, and the outlet side of inlet channel is penetrated through to sealing surface；Pressure instruction unit, pressure instruction unit are connected with inlet channel.The utility model solves the problems, such as that airtight effect of the prior art is poor, installation is inconvenient.
Description
Technical field
The utility model is related to air tightness detection equipment, in particular to a kind of air-tightness for generator amature
Detecting tool.
Background technology
In generator amature maintenance process, rotor air-tight test is a cumbersome and important job.Action needs
Closure plate being installed additional in rotor tip and the gas of 1.4MPA being poured into rotor, 3 hours (standards are kept after pressure stability：Allow
Pressure drop is 0.21-0.28kgf/cm2 per hour) verify generator amature conductive lever leakproofness.However, in the prior art
In, when for example carrying out air-tight test to the QFSN-320-2 generators rotor of Shanghai Electric Machine Plant's manufacture, installing closure plate additional needs
It is sealed by gasket and sealing effect is poor；In addition, closure plate itself is heavier, to be leaned on during installation, dismounting, adjustment
Artificial or overhead traveling crane adjustment center of gravity simultaneously keeps stable, therefore whole work process is time-consuming and laborious.
Utility model content
The main purpose of the utility model is that a kind of air-tightness detection tool for generator amature is provided, to solve
The problems such as airtight effect of the prior art is poor, installation is inconvenient.
To achieve these goals, the utility model provides a kind of air-tightness detection tool for generator amature,
Including：Disk body, disk body have the sealing surface for sealed electric generator rotor end-face, and disk body has inlet channel, inlet channel
Outlet side is penetrated through to sealing surface；Pressure instruction unit, pressure instruction unit are connected with inlet channel.
Further, air-tightness detection tool further includes inflation connection mouth, inflates the air inlet of connection mouth and inlet channel
It is tightly connected.
Further, air-tightness detection tool further includes valve, and valve is arranged in inflation connection mouth to be connected with adjusting inflation
Connect the air inflow or on off operating mode of mouth.
Further, valve is needle valve.
Further, disk body also has measuring pressure passage, and one end of measuring pressure passage connects with inlet channel, measuring pressure passage it is another
One end is provided with pressure instruction unit.
Further, disk body is disc-shaped structure, and inlet channel is set along the axial direction of disk body, diameter of the measuring pressure passage along disk body
To setting.
Further, disk body is disc-shaped structure, and disk body has axially mounted hole, and axially mounted hole is multiple, multiple axis
To mounting hole being provided at circumferentially spaced around disk body.
Further, on sealing surface the first waterline is provided on the outside of each axially mounted hole.
Further, around second waterline that is circumferentially provided with of disk body on sealing surface, and axially mounted hole is relative to the second water
Line is close to the center of disk body.
Further, be provided with recess portion on sealing surface, and axially mounted hole relative to recess portion close to the periphery of disk body.
Further, air-tightness detection tool further includes hoisting structure, and hoisting structure is arranged at the circumferential edge of disk body
The suspension centre centered on.
Further, disk body is made of stainless steel material.
Using the technical solution of the utility model, disk body has the sealing surface for sealed electric generator rotor end-face, disk body
Outlet side with inlet channel, and inlet channel is penetrated through to sealing surface, and pressure instruction unit is connected with inlet channel.In this way, just
Can air-tight test be done to generator amature by inlet channel gas injection.And due to disk body have sealing surface, and sealing surface with
Generator amature end face effectively seals, thus when doing air-sealed experiment, can effectively avoid gas leakage, and it is reliable to improve experiment
Property.In addition, setting pressure instruction unit so that entire experiment process is monitored, so as to further improve the reliability of experiment.
Due to can just complete air-tight test using the air-tightness detection tool in the application, thus workload is drastically reduced,
It improves work efficiency, ensure rotor air-tight test qualification rate and effectively prevents the wind of equipment damage in the course of work
Danger.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the structure diagram of the air-tightness detection tool of an alternative embodiment according to the present utility model；
Fig. 2 shows the internal structure schematic diagrams of air-tightness detection tool；And
Fig. 3 shows the bottom view of the disk body of the air-tightness detection tool in Fig. 1.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1st, air-tightness detection tool；10th, disk body；11st, sealing surface；12nd, axially mounted hole；13rd, inlet channel；14th, pressure measurement
Channel；15th, the first waterline；16th, the second waterline；17th, recess portion；20th, pressure instruction unit；30th, connection mouth is inflated；40th, hoisting structure.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the utility model in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower, top, bottom " used is usually
Be for direction shown in the drawings or for component in itself on vertical, vertical or gravity direction for；Together
Sample, it for ease of understanding and describes, " inside and outside " refers to the inside and outside of the profile relative to each component in itself, but the above-mentioned noun of locality is simultaneously
It is not used in limitation the utility model.
In order to solve the problems such as airtight effect of the prior art is poor, installation is inconvenient, the utility model provides one kind
For the air-tightness detection tool of generator amature.
As shown in Figures 1 to 3, air-tightness detection tool 1 includes disk body 10 and pressure instruction unit 20.Disk body 10 has for close
The sealing surface 11 of seal rotor end face, disk body 10 have inlet channel 13, and the outlet side of inlet channel 13 is penetrated through to sealing
Face 11；Pressure instruction unit 20 is connected with inlet channel 13.
In this manner it is possible to air-tight test is done to generator amature by 13 gas injection of inlet channel.And since disk body 10 has
There is sealing surface 11, and sealing surface 11 is effectively sealed with generator amature end face, thus when doing air-sealed experiment, it can be effective
Gas leakage is avoided, improves test reliability.In addition, setting pressure instruction unit 20 so that entire experiment process is monitored, thus into
One step improves the reliability of experiment.Due to can just complete air-tight test using the air-tightness detection tool in the application,
Workload thus is drastically reduced, is improved work efficiency, ensure rotor air-tight test qualification rate and is effectively prevented
The risk of equipment damage in the course of work.
As shown in Figure 1, air-tightness detection tool 1 further includes inflation connection mouth 30, inflation connection mouth 30 and inlet channel 13
Air inlet be tightly connected.
In the airtight detection experiment for carrying out generator amature, air-tightness detection tool 1 is fixed on rotor tip, so as to
Airtight space is formed with generator amature.It is inflated using connection mouth 30 is inflated via inlet channel 13 to airtight space, and
Pressure detecting is carried out by pressure instruction unit 20, according to the pressure value indicated by pressure instruction unit 20, judges the gas of generator amature
Close property.In the present embodiment, pressure instruction unit 20 is can to indicate the pressure gauge of the pressure in airtight space.
As shown in Figure 1, air-tightness detection tool 1 further includes valve, valve is arranged in inflation connection mouth 30 to be filled with adjusting
The air inflow or on off operating mode of gas connection mouth 30.By setting valve, the process of experiment can be made to be effectively controlled, so as to
The accuracy of guarantee test structure.
Optionally, valve is needle valve.
Meanwhile by valve, can easily control the pressure in airtight space, and can prevent from completely cutting off it is airtight in gas
Body is to outward leakage.
As shown in Fig. 2, disk body 10 also has measuring pressure passage 14, one end of measuring pressure passage 14 is connected with inlet channel 13, is surveyed
The other end of pressure passageway 14 is provided with pressure instruction unit 20.By setting measuring pressure passage 14, peace is provided for pressure instruction unit 20
Holding position, in this way, the air inlet effect of inlet channel 13 had not both been interfered with, as the company of inlet channel 13 and measuring pressure passage 14
It is logical, and ensure the accuracy of pressure test.
Specifically, disk body 10 is disc-shaped structure, inlet channel 13 is set along the axial direction of disk body 10, and measuring pressure passage 14 is along disk
The radial direction setting of body 10.In this way, inlet channel 13 is rationally arranged with 14 position of measuring pressure passage, to ensure that air inlet is not done mutually with pressure measurement
It disturbs.
In this way, pass through setting inlet channel 13 and measuring pressure passage 14, entire air-leakage test work in disk body 10
Fill it is 1 compact-sized, it is easy to disassemble.
As shown in figure 3, disk body 10 is disc-shaped structure, disk body 10 has axially mounted hole 12, and axially mounted hole 12 is more
It is a, multiple axially mounted being provided at circumferentially spaced around disk body 10 of hole 12.
In air-tightness detection tool 1 shown in Fig. 3, axially mounted hole 12 is 14, but it's not limited to that.For example,
The quantity in axially mounted hole 12 can be 4,6,8,10 or more.In addition, the spacing between mounting hole can be
Uniformly, can also be non-uniform.Alternatively, it is also possible to the rotor tip mounting hole and tube method manufactured according to different manufacturers
Flange aperture different quantity and spacing adjust the quantity and spacing in the axially mounted hole 12 on disk body 10.
It should be noted that the axially mounted hole 12 of setting is to supply fastener by, for example, bolt, thus by disk body
10 fix with generator amature.
Air-tightness during in order to ensure that air-tightness detection tool 1 uses, around the outer of each axially mounted hole 12 on sealing surface 11
Side is provided with the first waterline 15.
In order to further improve air-tightness when air-tightness detection tool 1 uses, around the circumferential direction of disk body 10 on sealing surface 11
Be provided with the second waterline 16, and axially mounted hole 12 relative to the second waterline 16 close to the center of disk body 10.
In this way, it is dismounted easily, and may insure present embodiment when carrying out air-tight test to generator amature
The leakproofness of airtight space that is formed of air-tightness detection tool 1 and generator amature.In addition, according to the present embodiment airtight
Property detecting tool 1, in the air-tight test for carrying out generator amature, without sealing surface 11 and generator amature end it
Between setting gasket in the case of, you can obtain good leakproofness.It is of course also possible in sealing surface 11 and generator amature end
Sealing ring is set between portion, to obtain better seal.
In the utility model, recess portion 17 is provided on sealing surface 11, and axially mounted hole 12 is close relative to recess portion 17
The periphery of disk body 10.
In this way, it compared with the situation of recess portion 17 is not provided on sealing surface 11, can be formed with generator amature
The airtight space of bigger.
As shown in Figure 1, air-tightness detection tool 1 further includes hoisting structure 40, hoisting structure 40 is arranged on the week of disk body 10
To edge centered on suspension centre.
Before air-tight test preparation, manpower or traveling crane can be utilized disk body 10 to be made to be in certainly on hoisting structure 40
By and vertical state.Then, by adjusting the mounting hole on the axially mounted hole 12 on disk body 10 and generator amature end
Alignment penetrates bolt fastening.In this way it is possible to air-tightness detection tool 1 is easily installed to generator amature end
On.
In order to reduce the weight of air-tightness detection tool 1, the convenience of dismounting is improved, disk body 10 is made of stainless steel material
's.
It should be noted that for convenience of description, pressure instruction unit 20, valve are omitted in Fig. 2 and Fig. 3 and hangs
The diagram of assembling structure 40.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
(1) air tightness detection tool can utilize the connecting hole of generator amature, be connected using screw element, simple installation
Flexibly.
(2) seal line is equipped in the face coordinated with generator amature of ring flange, therefore with good leakproofness.
(3) suspension centre at face center is equipped in the peripheral wall of air tightness detection tool, without adjusting center, and is dismounted easily.
(4) it can efficiently and accurately control generator amature is airtight to be filled with equipped with needle valve in one end of inflation connection mouth
Pressure, and prevent from completely cutting off it is airtight in gas to outward leakage.
(5) ring flange is made of stainless steel, thus entire air tightness detection tool is more light.
In short, using the air tightness detection tool of present embodiment, drastically reduce workload, improve work efficiency and
Efficiently avoid the risk of equipment damage in the course of work.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part rather than the reality of whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of air-tightness detection tool for generator amature, which is characterized in that including：
Disk body (10), the disk body (10) have the sealing surface (11) for sealed electric generator rotor end-face, the disk body (10)
With inlet channel (13), the outlet side of the inlet channel (13) is penetrated through to the sealing surface (11)；
Pressure instruction unit (20), the pressure instruction unit (20) connect with the inlet channel (13).
2. air-tightness detection tool according to claim 1, which is characterized in that the air-tightness detection tool (1) is also wrapped
Inflation connection mouth (30) is included, the inflation connection mouth (30) and the air inlet of the inlet channel (13) are tightly connected.
3. air-tightness detection tool according to claim 2, which is characterized in that the air-tightness detection tool (1) is also wrapped
Valve is included, the valve is arranged on the inflation connection mouth (30) to adjust the air inflow of the inflation connection mouth (30) or lead to
Disconnected state.
4. air-tightness detection tool according to claim 3, which is characterized in that the valve is needle valve.
5. air-tightness detection tool according to any one of claim 1 to 4, which is characterized in that the disk body (10) is also
With measuring pressure passage (14), one end of the measuring pressure passage (14) is connected with the inlet channel (13), the measuring pressure passage
(14) the other end is provided with the pressure instruction unit (20).
6. air-tightness detection tool according to claim 5, which is characterized in that the disk body (10) is disc-shaped structure,
The inlet channel (13) is set along the axial direction of the disk body (10), radial direction of the measuring pressure passage (14) along the disk body (10)
Setting.
7. air-tightness detection tool according to any one of claim 1 to 4, which is characterized in that the disk body (10) is
Disc-shaped structure, the disk body (10) have axially mounted hole (12), and the axially mounted hole (12) is multiple, multiple axis
To mounting hole (12) being provided at circumferentially spaced around the disk body (10).
8. air-tightness detection tool according to claim 7, which is characterized in that around each axis on the sealing surface (11)
The first waterline (15) is provided on the outside of mounting hole (12).
9. air-tightness detection tool according to claim 7, which is characterized in that around the disk body on the sealing surface (11)
(10) be circumferentially provided with the second waterline (16), and the axially mounted hole (12) relative to second waterline (16) close to institute
State the center of disk body (10).
10. air-tightness detection tool according to claim 7, which is characterized in that be provided on the sealing surface (11) recessed
Portion (17), and the axially mounted hole (12) is relative to the periphery of the close disk body (10) of the recess portion (17).
11. air-tightness detection tool according to claim 7, which is characterized in that the air-tightness detection tool (1) is also wrapped
Hoisting structure (40) is included, the hoisting structure (40) is arranged at the circumferential edge of the disk body (10) suspension centre centered on.
12. air-tightness detection tool according to any one of claim 1 to 4, which is characterized in that the disk body (10) is
Made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843615.6U CN207570742U (en) | 2017-12-25 | 2017-12-25 | For the air-tightness detection tool of generator amature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843615.6U CN207570742U (en) | 2017-12-25 | 2017-12-25 | For the air-tightness detection tool of generator amature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207570742U true CN207570742U (en) | 2018-07-03 |
Family
ID=62686210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721843615.6U Active CN207570742U (en) | 2017-12-25 | 2017-12-25 | For the air-tightness detection tool of generator amature |
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| Country | Link |
|---|---|
| CN (1) | CN207570742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340941A (en) * | 2021-08-04 | 2021-09-03 | 湖南大学 | Equipment detecting system based on infrared imaging |
-
2017
- 2017-12-25 CN CN201721843615.6U patent/CN207570742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340941A (en) * | 2021-08-04 | 2021-09-03 | 湖南大学 | Equipment detecting system based on infrared imaging |
| CN113340941B (en) * | 2021-08-04 | 2021-10-29 | 湖南大学 | Equipment detecting system based on infrared imaging |
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