CN207675394U - Pressure leakages and vacuum leakage for cable termination increases test device - Google Patents
Pressure leakages and vacuum leakage for cable termination increases test device Download PDFInfo
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- CN207675394U CN207675394U CN201721857022.5U CN201721857022U CN207675394U CN 207675394 U CN207675394 U CN 207675394U CN 201721857022 U CN201721857022 U CN 201721857022U CN 207675394 U CN207675394 U CN 207675394U
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Abstract
The utility model provides a kind of pressure leakages for cable termination and vacuum leakage increases test device, including three-way pipe, the three-way pipe is equipped with the first nozzle, the second nozzle and third nozzle, first nozzle is connect with pressure gauge, second nozzle is connect with ball valve, the ball valve is connect with air compressor machine/vacuum pump, and the third nozzle is connect with device junction, and the device junction is connect with cable termination.The utility model incorporates pressure leakages experiment and vacuum leakage increases experiment, experiment process is simple and efficient, it solves the problems, such as pressure leakages experiment and vacuum leakage increasing experiment test procedure is cumbersome and no data supports, the test data reflected by experimental rig is true and reliable, and adjustable extent is wide.
Description
Technical field
The utility model is related to cable termination detection field, more particularly to a kind of pressure leakages for cable termination and
Vacuum leakage increases test device.
Background technology
Wires and cables industry is the second largest industry in China, is only second to automobile industry, and China's cable output arranges generation at present
Boundary first, along with the high speed development of Chinese cable industry, more and more enterprise transformations are joined in cable production field, then
It is the most important production equipment pattern of today's society further to have pushed the development of cable production equipment, cable vulcanization line,
The corresponding equipment running of its each procedure directly influences the cable product quality and efficiency that the entire production line obtains.
Cable termination is required that doing pressure leakages experiment and vacuum leakage increases experiment.It provides, is doing according in GB/T11017.3
When pressure leakages experiment, to apply the air pressure that gauge pressure is 250 ± 10kPa to test product, optionally apply fertilizer on immersion inspection or sealing surface
Whether soap lye survey has gas effusion, or applies identical hydraulic pressure, and whiting is applied on sealing surface and has seen whether water exudation
Sign.Currently, the test method of pressure leakages experiment is based on the test method that is proposed in GB/T11017.3, but in practical fortune
In, because of artificial operation and to visually observe be difficult to provide more accurately to judge.In order to keep test effect true and reliable, need
Accurate data are provided to illustrate.In addition, in vacuum leaks and increases experiment, it need to be calculated, surveyed to measure with vacuum meter
Complex steps are tried, data are not accurate enough.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of pressure leakages for cable termination and vacuum leakage to increase
Test device, to overcome the drawbacks described above of the prior art.
To achieve the above object, the utility model provides a kind of pressure leakages for cable termination and vacuum leakage increases test
Device, including three-way pipe, the three-way pipe are equipped with the first nozzle, the second nozzle and third nozzle, first nozzle and pressure
Power table connects, and second nozzle connect with ball valve, and the ball valve is connect with air compressor machine/vacuum pump, the third nozzle with set
Standby connector connects, and the device junction is connect with cable termination.
Preferably, second nozzle is connect by the first connecting tube with ball valve.
Preferably, one end of first connecting tube is threadedly coupled with second nozzle, the other end and the ball valve spiral shell
Line connects.
Preferably, the second connecting tube and nut connection pipe fitting, institute are additionally provided between the third nozzle and device junction
The one end for stating the second connecting tube is threadedly coupled with the third nozzle, and the other end connect pipe joint screw thread connection with the nut,
The nut connection pipe fitting is connect with the device junction.
Preferably, the ball valve is connect by quick coupling with the air compressor machine/vacuum pump.
As described above, the utility model is related to for cable termination pressure leakages and vacuum leakage increase test device, tool
There is following advantageous effect：The utility model incorporates pressure leakages experiment and vacuum leakage increases experiment, and experiment process is simple and efficient, and is solved
Pressure leakages of having determined are tested and vacuum leakage increases the problem of experiment test procedure is cumbersome and no data supports, and are reflected by experimental rig
Test data it is true and reliable, adjustable extent is wide.
Description of the drawings
Fig. 1 is the structural schematic diagram that the utility model increases test device for pressure leakages and the vacuum leakage of cable termination.
Component label instructions
1 three-way pipe
11 first nozzles
12 second nozzles
13 third nozzles
2 pressure gauges
3 ball valves
31 first connecting tubes
4 air compressor machines
41 vacuum pumps
42 quick couplings
5 device junctions
51 second connecting tubes
52 nuts connect pipe fitting
6 cable terminations
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating specification to be taken off
The content shown is not limited to the enforceable restriction item of the utility model so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as "upper", "lower", "left", "right", the use of " centre " in this specification
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, the utility model provides a kind of pressure leakages for cable termination and vacuum leakage increases test device,
Including three-way pipe 1, the three-way pipe 1 is equipped with the first nozzle 11, the second nozzle 12 and third nozzle 13, first nozzle 11
It is connect with pressure gauge 2, second nozzle 12 is connect with ball valve 3, and the ball valve 3 is connect with 4/ vacuum pump 41 of air compressor machine, described
Third nozzle 13 is connect with the device junction 5 of client, and the device junction 5 is connect with cable termination 6, passes through the utility model
Pressure leakages are carried out to cable termination and vacuum leakage increases test.
As illustrated in fig. 1, it is preferred that second nozzle 12 is connect by the first connecting tube 31 with ball valve 3, described first connects
The both ends of take over 31 are respectively equipped with external screw thread, and corresponding internal thread, institute are respectively equipped on second nozzle 12, the ball valve 3
The one end for stating the first connecting tube 31 is threadedly coupled with second nozzle 12, and the other end is threadedly coupled with the ball valve 3.
As illustrated in fig. 1, it is preferred that being additionally provided with the second connecting tube 51 and spiral shell between the third nozzle 13 and device junction 5
Mother's connection pipe fitting 52, the both ends of second connecting tube 51 are respectively equipped with external screw thread, and third nozzle 13 and nut connecting tube connect
First 52 are equipped with internal thread, and one end of second connecting tube is threadedly coupled with the third nozzle 13, the other end and the spiral shell
Mother's connection pipe fitting 52 is threadedly coupled, and the nut connection pipe fitting 52 is connect with the device junction 5.
As illustrated in fig. 1, it is preferred that the ball valve 3 is connect by quick coupling 42 with 4/ vacuum pump 41 of the air compressor machine, just
It in the quick connection of ball valve 3 and air compressor machine 4, after the completion of test, can be unloaded from air compressor machine 4, dismounting is more convenient.
A kind of pressure leakages and vacuum leakage for cable termination presented below increases test method, and cable is used for using described
Pressure leakages and the vacuum leakage of terminal increase test device and realize, specifically comprise the following steps：
S1, pressure leakages test：Quick coupling 42 is connect with air compressor machine 4, starts air compressor machine 4, is squeezed into cable termination 6
Gas, the air pressure inside test device rise, and wait for that the numerical value of pressure gauge 2 rises between 240~260kPa, preferably
250kPa closes ball valve 3, keeps the stable gas pressure inside test device constant, the current value of recording manometer 2 is set as P1, then
Keep 60min；Then the current value of recording manometer 2 is set as P2 again, if P2 ＜ P1, can determine whether gas leak phenomenon, i.e., electric
The sealing performance of cable terminal 6 is unqualified, if P2=P1, judges no gas leak phenomenon, and 6 sealing performance of cable termination is qualified,
After the completion of pressure leakages test, ball valve 3 is opened, the quick coupling 42 is unloaded from the air compressor machine 4.
S2, vacuum leakage increase test：The quick coupling 42 is connect with vacuum pump 41, starts vacuum pump 41, to cable end
End 5 is vacuumized, and test device internal pressure reduces, and when the numerical value P3 of pressure gauge 2 is shown as 10kPa, closes ball valve 3,
Keep the stable gas pressure inside test device constant, air pressure environment 60min, the numerical value for then re-reading pressure gauge 2 is kept to set
Judge that 6 sealing performance of cable termination is unqualified if when P4-P3 ＞ 10kPa, i.e. P4 ＞ 20kPa for P4, if P4-P3≤
When 10KPa, i.e. P4≤20KPa, then judge that 6 sealing performance of cable termination is qualified, after the completion of vacuum leakage increases test, open ball valve 3,
The quick coupling 42 is unloaded from the vacuum pump 41.
Above-mentioned steps S1 and S2 need to be tested at ambient temperature, before above-mentioned steps S1 starts, need first base measuring pressure
Table, then observe pressure gauge see inside test device and junction whether gas leakage, if not provided, experiment can be proceeded by.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of pressure leakages and vacuum leakage for cable termination increases test device, which is characterized in that including three-way pipe (1),
The three-way pipe (1) be equipped with the first nozzle (11), the second nozzle (12) and third nozzle (13), first nozzle (11) and
Pressure gauge (2) connects, and second nozzle (12) connect with ball valve (3), the ball valve (3) and air compressor machine (4)/vacuum pump (41)
Detachably connected, the third nozzle (13) connect with device junction (5), and the device junction (5) connects with cable termination (6)
It connects.
2. the pressure leakages and vacuum leakage according to claim 1 for cable termination increases test device, it is characterised in that：
Second nozzle (12) is connect by the first connecting tube (31) with ball valve (3).
3. the pressure leakages and vacuum leakage according to claim 2 for cable termination increases test device, it is characterised in that：
One end of first connecting tube (31) is threadedly coupled with second nozzle (12), and the other end connects with the ball valve (3) screw thread
It connects.
4. the pressure leakages and vacuum leakage according to claim 1 for cable termination increases test device, it is characterised in that：
It is additionally provided with the second connecting tube (51) between the third nozzle (13) and device junction (5) and nut connect pipe fitting (52), institute
The one end for stating the second connecting tube (51) is threadedly coupled with the third nozzle (13), and the other end connect pipe fitting with the nut
(52) it is threadedly coupled, the nut connection pipe fitting (52) connect with the device junction (5).
5. the pressure leakages and vacuum leakage according to claim 1 for cable termination increases test device, it is characterised in that：
The ball valve (3) is connect by quick coupling (42) with air compressor machine (4)/vacuum pump (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721857022.5U CN207675394U (en) | 2017-12-26 | 2017-12-26 | Pressure leakages and vacuum leakage for cable termination increases test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721857022.5U CN207675394U (en) | 2017-12-26 | 2017-12-26 | Pressure leakages and vacuum leakage for cable termination increases test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675394U true CN207675394U (en) | 2018-07-31 |
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ID=62970818
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721857022.5U Active CN207675394U (en) | 2017-12-26 | 2017-12-26 | Pressure leakages and vacuum leakage for cable termination increases test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966256A (en) * | 2017-12-26 | 2018-04-27 | 上海国缆检测中心有限公司 | Pressure leakages and vacuum leakage for cable termination increases test device and test method |
| CN109269731A (en) * | 2018-11-09 | 2019-01-25 | 安徽宇测线缆质检技术有限公司 | A kind of cable longitudinally water blocking testing stand |
-
2017
- 2017-12-26 CN CN201721857022.5U patent/CN207675394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966256A (en) * | 2017-12-26 | 2018-04-27 | 上海国缆检测中心有限公司 | Pressure leakages and vacuum leakage for cable termination increases test device and test method |
| CN109269731A (en) * | 2018-11-09 | 2019-01-25 | 安徽宇测线缆质检技术有限公司 | A kind of cable longitudinally water blocking testing stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 101, 558 Shanlian Road, Baoshan District, Shanghai, 2004 Patentee after: Shanghai Guoxian Testing Co.,Ltd. Address before: Room 101, 558 Shanlian Road, Baoshan District, Shanghai, 2004 Patentee before: SHANGHAI NATIONAL CENTER OF TESTING AND INSPECTION FOR ELECTRIC CABLE AND WIRE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |