CN201757694U - Crosslinked cable tail end metal head sealing inspection machine - Google Patents
Crosslinked cable tail end metal head sealing inspection machine Download PDFInfo
- Publication number
- CN201757694U CN201757694U CN2010202531962U CN201020253196U CN201757694U CN 201757694 U CN201757694 U CN 201757694U CN 2010202531962 U CN2010202531962 U CN 2010202531962U CN 201020253196 U CN201020253196 U CN 201020253196U CN 201757694 U CN201757694 U CN 201757694U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- gland
- overhead gage
- push rod
- tail end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 238000007689 inspection Methods 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims description 32
- 239000011148 porous material Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 240000005572 Syzygium cordatum Species 0.000 description 5
- 235000006650 Syzygium cordatum Nutrition 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a crosslinked cable tail end metal head sealing inspection machine, which belongs to the field of wire and cable inspection and comprises an outer frame and an ejecting mechanism. The upper frame consists of an upper baffle plate, a lower baffle plate and pull rods, the upper baffle plate is mounted at one end of each pull rod, the lower baffle plate is mounted at the other ends of the pull rods, two ends of each pull rod are positioned by nuts, and the pull rods are evenly distributed on the upper baffle plate and the lower baffle plate. The ejecting mechanism includes a pressing cover, a lower support ring and an ejector rod, the lower support ring is mounted on the lower baffle plate, the ejector rod mounted on the pressing cover penetrates through the upper baffle plate, an air hole is arranged on the pressing cover arranged on the upper baffle plate, and a rapid joint mounted on the air hole is connected with an air pipe. The crosslinked cable tail end metal head sealing inspection device has the advantages of reasonable design, excellent effect, high efficiency and capability of speedy inspection.
Description
Technical field
The utility model crosslinked cable tail end metal end enclosure sealing tester belongs to the electric wire detection range, is mainly used in the leakage pressure testing device of testing to finished product crosslinked cable packing end socket annex.
Background technology
In the production and work progress of cable, waterproof strict will make the cable water inlet accidentally if handle.The harm of cable water inlet can be described as very serious.After the cable water inlet, under effect of electric field, water tree aging phenomenon can take place, cause cable breakdown at last.The water tree is that diameter is gathered to several microns water-filled spaces at 0.1 μ m, and the local high electric field position that the inhomogeneous place of the impurity that exists in the insulation, pore and insulation and interior outer semiconducting layer faying face forms is the starting point that the water tree is taken place.The evolution of water tree is generally more than 8 years, and humidity is high more, and temperature is high more, and voltage is high more, and contained ion is many more in the water, and then the development of water tree is fast more.For preventing into water, before product export, to pack treatment process and just can deliver goods through strict.Wherein head end and tail end all will be joined and made the respective metal end socket.The main composition of tail end end socket is two-layer sheath, and nexine is to be welded into whole aluminium end socket with aluminium sheath, and skin is socketed on the plastics oversheath with the pyrocondensation big envelope.Metal end enclosure is last one barrier that prevents crosslinked core water inlet.And the effect that runs into mechanical external force through regular meeting in actual cable installation process makes the breakage of pyrocondensation end socket, if metal end enclosure have pore or with sheath be welded with defective the time, the core water inlet just is difficult to avoid.Along with the large tracts of land use of power cable with cross-linked polyethylene insulation in recent years, but the production standard and the method for inspection of the concrete metal end enclosure of being correlated with (containing the tail envelope), there is not suitable crosslinked cable tail end metal end enclosure sealing tester yet, therefore metal end enclosure brings more serious quality to draw trouble to cable because the workpiece casting process is easy to generate pore and crackle.
Summary of the invention
The purpose of this utility model is to provide a kind of efficient height, and is simple and convenient, checks crosslinked cable tail end metal end enclosure sealing tester fast.
The purpose of this utility model reaches by following measure, and the utility model is made up of outside framework and top-pressure mechanism, and outside framework is by overhead gage, lower baffle plate, pull bar is formed, and overhead gage is installed in pull bar one end, lower baffle plate is installed in pull bar one end, and locate by nut at the pull bar two ends, and pull bar is distributed on overhead gage and the lower baffle plate, top-pressure mechanism is by gland, following backing ring, and push rod is formed, following backing ring is installed on the lower baffle plate, push rod is installed on the gland, and push rod passes overhead gage, and gland is arranged on below the overhead gage.Gland is provided with pore, and rapid-acting coupling is installed on pore, and rapid-acting coupling connects tracheae, and tracheae passes overhead gage.
Push rod of the present utility model and gland are installed on the gland by straight pin, between push rod and gland steel ball are set and are connected, and increase the work contact area.
Gland of the present utility model top welding register pin, register pin passes overhead gage, can prevent that gland from rotating.
Push rod of the present utility model is provided with screw thread, and screw is arranged on the overhead gage, and the screw thread of push rod cooperates with screw on the overhead gage.
The uniform support of pull bar of the present utility model, upper and lower baffle plate bears stretching action power.Top-pressure mechanism carries out downward roof pressure gland by the thrust of push rod, makes workpiece and gland form sealing.During operation, workpiece is placed on the backing ring, compresses gland by push rod, and gland makes sealing gasket and workpiece openings position form seal face under the roof pressure of acting force, and workpiece inside has constituted airtight " cavity "; In " cavity " of workpiece, add compressed nitrogen by the rapid-acting coupling that is fastened on the gland top; Whether the inflation workpiece is together put into water together with sealer observe and to have steam bubble to emerge, as do not have then that workpiece is qualified workpiece, emerging if any steam bubble then can perform sign in bubbling place, carries out corresponding repair by welding work then.
The utility model is reasonable in design, and is respond well, and the efficient height can be realized fast detecting.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Among the figure: lower nut 1, lower baffle plate 2, following backing ring 3, pull bar 4, workpiece 5, sealing gasket 6, steel ball 7, gland 8, straight pin 9, nut 11 is heightened in rapid-acting coupling 10, overhead gage 12, tracheae 13, top nut 14, push rod 15, register pin 16.
As shown in Figure 1, the utility model is made up of outside framework and top-pressure mechanism the utility model, and outside framework is by overhead gage 12, lower baffle plate 2, pull bar 4 is formed, and overhead gage is installed in pull bar one end, pull bar passes overhead gage, by top nut 14 location, lower baffle plate is installed in pull bar one end, and pull bar passes lower baffle plate, by lower nut 1 location, install on pull bar and heighten nut 11, pull bar is distributed on overhead gage and the lower baffle plate, and top-pressure mechanism is by gland 8, following backing ring 3, push rod 15 is formed, and following backing ring 3 is installed on the lower baffle plate 2, and push rod 15 is installed on the gland 8, gland 8 is arranged on below the overhead gage, sealing gasket 6 is installed on gland 8, gland top welding register pin 16, register pin passes overhead gage, push rod is provided with screw thread, screw is arranged on the overhead gage, and push rod 15 passes overhead gage, and the screw thread of push rod cooperates with screw on the overhead gage.Gland is provided with pore, and rapid-acting coupling 10 is installed on pore, and rapid-acting coupling 10 connects tracheae 13, and tracheae passes overhead gage.Push rod and gland are installed on the gland 8 by straight pin 9, and steel ball 7 is set between push rod and gland.
Claims (4)
1. a crosslinked cable tail end metal end enclosure sealing tester is characterized in that being made up of outside framework and top-pressure mechanism, and outside framework is by overhead gage, lower baffle plate, pull bar is formed, and overhead gage is installed in pull bar one end, lower baffle plate is installed in pull bar one end, and locate by nut at the pull bar two ends, and pull bar is distributed on overhead gage and the lower baffle plate, top-pressure mechanism is by gland, following backing ring, and push rod is formed, following backing ring is installed on the lower baffle plate, push rod is installed on the gland, and push rod passes overhead gage, and gland is arranged on below the overhead gage.Gland is provided with pore, and rapid-acting coupling is installed on pore, and rapid-acting coupling connects tracheae.
2. crosslinked cable tail end metal end enclosure sealing tester according to claim 1 is characterized in that push rod and gland are installed on the gland by straight pin, are provided with steel ball between push rod and gland.
3. crosslinked cable tail end metal end enclosure sealing tester according to claim 1 is characterized in that gland top welding register pin, and register pin passes overhead gage.
4. crosslinked cable tail end metal end enclosure sealing tester according to claim 1 is characterized in that push rod is provided with screw thread, and screw is arranged on the overhead gage, and the screw thread of push rod cooperates with screw on the overhead gage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531962U CN201757694U (en) | 2010-06-25 | 2010-06-25 | Crosslinked cable tail end metal head sealing inspection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202531962U CN201757694U (en) | 2010-06-25 | 2010-06-25 | Crosslinked cable tail end metal head sealing inspection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757694U true CN201757694U (en) | 2011-03-09 |
Family
ID=43644976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202531962U Expired - Lifetime CN201757694U (en) | 2010-06-25 | 2010-06-25 | Crosslinked cable tail end metal head sealing inspection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893500A (en) * | 2010-06-25 | 2010-11-24 | 广州岭南电缆有限公司 | Crosslinked cable tail end metal end enclosure sealing tester |
-
2010
- 2010-06-25 CN CN2010202531962U patent/CN201757694U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893500A (en) * | 2010-06-25 | 2010-11-24 | 广州岭南电缆有限公司 | Crosslinked cable tail end metal end enclosure sealing tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 511442, Guangdong, Panyu District, Guangzhou Province South Village, South Road, grass Tong village entrance, Guangzhou south of the Five Ridges cable Limited by Share Ltd Patentee after: Guangzhou Lingnan Cable Co., Ltd. Address before: 511442, Guangdong, Guangzhou province Panyu District South Village, South Road, grass Tong village entrance Patentee before: Guangzhou Lingnan Cable Co., Ltd. Address after: 511442, Guangdong, Panyu District, Guangzhou Province South Village, South Road, grass Tong village entrance, Guangzhou south of the Five Ridges cable Limited by Share Ltd Patentee after: Guangzhou Lingnan Cable Co., Ltd. Address before: 511442, Guangdong, Guangzhou province Panyu District South Village, South Road, grass Tong village entrance Patentee before: Guangzhou Lingnan Cable Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |