CN102035150A - Waterproof drawing head of cable and mounting method thereof - Google Patents
Waterproof drawing head of cable and mounting method thereof Download PDFInfo
- Publication number
- CN102035150A CN102035150A CN 201010531539 CN201010531539A CN102035150A CN 102035150 A CN102035150 A CN 102035150A CN 201010531539 CN201010531539 CN 201010531539 CN 201010531539 A CN201010531539 A CN 201010531539A CN 102035150 A CN102035150 A CN 102035150A
- Authority
- CN
- China
- Prior art keywords
- cable
- drawing head
- spring thimble
- drag spring
- ripple
- 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.)
- Granted
Links
Images
Landscapes
- Cable Accessories (AREA)
Abstract
The invention discloses a waterproof drawing head of a cable. The cable comprises a corrugated sheath pipe, an insulating layer and a cable core, wherein the cable core extends out from the inner part of the insulating layer. The waterproof drawing head comprises a lining gland, a drawing casing pipe, a drawing cap and an external protection pipe, wherein the lining gland is in a pan shape and encases the opening side of the corrugated sheath pipe; one end of the drawing casing pipe is provided with a blind hole, and the drawing casing pipe encases the extending end of the cable core and is connected with the drawing cap through a screw thread; one end of the external protection pipe is fixed on the outer edge of the lining gland; and the other end of the external protection pipe is fixed on the outer edge of the drawing cap. In the invention, the drawing head of the cable is subjected to two times of welding sealing so that the drawing head can not be pulled and ruptured at the outer welding sealing position to result in cable bilging in the use process, therefore, the cable quality is favorably ensured, the work efficiency of laying construction is improved, and a great amount of manpower and material resources in the after-sales service are further saved.
Description
Technical field
The present invention relates to a kind of cable waterproof drawing head and installation method thereof.
Background technology
In the cable laying operation of high pressure and extra-high-tension cable, how to prevent effectively that cable from intaking is the long-term indeterminable problems of all manufacturers in trench laying.In the past, though taked end socket, modes such as welding in actual laid processes, because cable trough is crooked irregular, caused the cable drawing head weld seam to be broken by pultrusion through regular meeting, when in the ditch water being arranged, then will cause water inlet problem in the cable.For a long time, can only take to blow into cable by pressure-air afterwards, water is blown out gradually dry up, generally blow 2～3 days always, not only bothersome but also waste time.
Summary of the invention
Technical problem to be solved by this invention provides a kind of cable waterproof drawing head and installation method thereof that in use can not cause the cable water inlet because of the place's pultrusion of outer sealing after breaking.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the cable waterproof drawing head, described cable comprises the ripple protecting pipe, insulating barrier, cable conductor, described cable conductor stretches out in described insulating barrier, this waterproof drawing head comprises the liner gland, drag spring thimble, traction cap, outer pillar, described liner gland is a peviform, described liner gland encases described ripple protecting pipe open side, described drag spring thimble one end is provided with a blind hole, described drag spring thimble encases the external part of described cable conductor, described drag spring thimble and described traction cap are by being threaded, the outer rim of described outer pillar one end and described liner gland is fixed, and the outer rim of the other end and described traction cap is fixed.
As preferably, be provided with O type circle between described liner gland, the drag spring thimble, to strengthen the sealing of this waterproof drawing head inside.
As preferably, the outside of described O type circle is provided with round nut, and described round nut is sheathed on the described drag spring thimble, so that fixing O type circle.
As preferably, the outer end of described traction cap is by the suspension hook draw ring that has been threaded, so that this drawing head is dilatory.
The installation method of cable waterproof drawing head, may further comprise the steps: first, at first the ripple oversheath and the insulating barrier of described cable are peelled off, the liner gland is inserted in cable conductor and shifts the end onto, ripple oversheath open side is encased, at this moment, carry out sealing one time, it is firm to be about to liner gland and ripple oversheath sealing; After the second, one time sealing was good, cooling was inserted in drag spring thimble cable conductor then and is shifted the end onto; The 3rd, with outer pillar and traction cap welding; The 4th, screw in the traction cap that welded on the drag spring thimble and tighten, carry out the secondary sealing then, it is firm to be about to outer pillar and ripple oversheath sealing.
In described second step, cable conductor is packed into after the drag spring thimble, packing O type circle and this O type circle closely is pressed on the liner gland on the drag spring thimble into by screwing in round nut.
In described the 4th step, the suspension hook draw ring is screwed in the outer end of traction cap.
The present invention is owing to adopted technique scheme, cable drawing head is carried out the secondary sealing, make this drawing head in use can not cause the cable water inlet after breaking because of the place's pultrusion of outer sealing, cable quality has obtained better assurance, improve the operating efficiency of cable laying operation, thereby saved the manpower and materials of a large amount of after-sale services aspect.
Description of drawings
Fig. 1 is the structural representation of cable waterproof drawing head of the present invention.
Fig. 2 is the structural representation of liner gland.
Fig. 3 is the structural representation of drag spring thimble.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
Figure 1 shows that cable waterproof drawing head of the present invention, this waterproof drawing head comprises liner gland 7, drag spring thimble 11, traction cap 15, outer pillar 13, and the basic structure of high pressure, extra-high-tension cable is multilayers such as cable conductor 12, internal shield 1, insulating barrier 2, outer shielding layer 3, aluminium ripple oversheath 4.
As shown in Figure 2, described liner gland 7 is a peviform, described liner gland 7 encases described ripple protecting pipe 4 open side, as shown in Figure 3, described drag spring thimble 11 1 ends are provided with a blind hole 17, and described drag spring thimble 11 encases the external part of described cable conductor 12, and described drag spring thimble 11 and described traction cap 15 are by being threaded, the outer rim of described outer pillar 13 1 ends and described liner gland 7 is fixed, and the outer rim of the other end and described traction cap 15 is fixed.Be provided with O type circle 8 between described liner gland 7, the drag spring thimble 11, after drawing head is broken by pultrusion in ditch,, prevented that effectively water enters cable in the ditch, thereby reached waterproof action because O type circle 8 is arranged.The outside of described O type circle 8 is provided with round nut 10, and described round nut 10 is sheathed on the described drag spring thimble 11.The outer end of described traction cap 15 is by the suspension hook draw ring 16 that has been threaded.
The concrete end socket step of cable waterproof drawing head of the present invention is as follows: at first the aluminium ripple oversheath 4 of described cable and the insulating barrier 2 of the inside are peelled off, divesting length reserves suitable cable core length according to the degree of depth of drag spring thimble 11 and gets final product, aluminium ripple oversheath 4 otch keep smooth as far as possible, liner gland 7 is inserted in cable core and shifts the end onto, aluminium ripple oversheath 4 open side are encased, at this moment, carry out sealing one time, it is firm with aluminium ripple oversheath 4 sealings to be about to liner gland 7.After one time sealing is good, treat its cooling, the drag spring thimble 11 of then cable conductor 12 being packed into must install at the end when packing into, in drag spring thimble 11 stage casing crimping two to three roads, guarantees that crimping is solid and reliable with hydraulic tongs.The O type of packing into successively circle 8, plain washer 9, by the screw-in gradually of round nut 10, O type circle closely is pressed on the liner gland 7.With outer pillar 13 and traction cap 15 welding; Screw in outer pillar 13 of the aluminium that welded and traction cap 15 on the drag spring thimbles 11 and tighten, carry out the secondary sealing then, it is firm with aluminium ripple oversheath 4 sealings to be about to the outer pillar 13 of aluminium.At this moment, the sealing work of waterproof drawing head is finished, and only needs again suspension hook draw ring 16 to be screwed in traction cap 15 and gets final product.Since taked the secondary sealing, therefore, even the weld seam of outer pillar 13 of aluminium and aluminium ripple oversheath 4 is broken by pultrusion in cable laying operation, because the inside still has one deck sealing then to seal water and enters in the cable from aluminium ripple oversheath 4.And adopted the sealing means of O type circle at the cable conductor place, even if drag spring thimble has a large amount of water outward, also can not enter, thereby reach waterproof effect from the cable core seepage.
Claims (7)
1. cable waterproof drawing head, described cable comprises ripple protecting pipe (4), insulating barrier (2), cable conductor (12), described cable conductor (12) stretches out in described insulating barrier (2), it is characterized in that: this waterproof drawing head comprises liner gland (7), drag spring thimble (11), traction cap (15), outer pillar (13), described liner gland (7) is a peviform, described liner gland (7) encases described ripple protecting pipe (4) open side, described drag spring thimble (11) one ends are provided with a blind hole (17), described drag spring thimble (11) encases the external part of described cable conductor (12), described drag spring thimble (11) and described traction cap (15) are by being threaded, the outer rim of described outer pillar (13) one ends and described liner gland (7) is fixed, and the outer rim of the other end and described traction cap (15) is fixed.
2. according to the described cable waterproof drawing head of claim 1, it is characterized in that: be provided with O type circle (8) between described liner gland (7), the drag spring thimble (11).
3. according to the described cable waterproof drawing head of claim 2, it is characterized in that: the outside of described O type circle (8) is provided with round nut (10), and described round nut (10) is sheathed on the described drag spring thimble (11).
4. according to the described cable waterproof drawing head of claim 1, it is characterized in that: the outer end of described traction cap (15) is by the suspension hook draw ring (16) that has been threaded.
5. the method for the described cable waterproof drawing head of claim 1 is installed, it is characterized in that: may further comprise the steps: first, at first the ripple oversheath (4) and the insulating barrier (2) of described cable are peelled off, liner gland (7) is inserted in cable conductor (12) and shifts the end onto, ripple oversheath (4) open side is encased, at this moment, carry out sealing one time, it is firm with ripple oversheath (4) sealing to be about to liner gland (7); After the second, one time sealing was good, cooling was inserted in drag spring thimble (11) cable conductor (12) and is shifted the end onto then; The 3rd, with outer pillar (13) and traction cap (15) welding; The 4th, the traction cap (15) that has welded is screwed in drag spring thimble (11) go up and tighten, carry out the secondary sealing then, it is firm with ripple oversheath (4) sealing to be about to outer pillar (13).
6. according to the installation method of the described cable waterproof drawing head of claim 5, it is characterized in that: in described second step, cable conductor (12) pack into drag spring thimble (11) afterwards, and O type circle (8) also closely is pressed in this O type circle (8) on the liner gland (7) by screwing in round nut (10) packing on the drag spring thimble (11).
7. according to the installation method of the described cable waterproof drawing head of claim 5, it is characterized in that: in described the 4th step, suspension hook draw ring (16) is screwed in the outer end of traction cap (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010531539 CN102035150B (en) | 2010-10-29 | 2010-10-29 | Waterproof drawing head of cable and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010531539 CN102035150B (en) | 2010-10-29 | 2010-10-29 | Waterproof drawing head of cable and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035150A true CN102035150A (en) | 2011-04-27 |
| CN102035150B CN102035150B (en) | 2012-09-05 |
Family
ID=43887670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010531539 Active CN102035150B (en) | 2010-10-29 | 2010-10-29 | Waterproof drawing head of cable and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102035150B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470869A (en) * | 2016-02-19 | 2016-04-06 | 南宁市正极机电有限公司 | Draft gear used for electric power cable erection |
| CN106356772A (en) * | 2016-09-30 | 2017-01-25 | 广东电网有限责任公司珠海供电局 | Cable traction head and cable structure with same |
| CN108063399A (en) * | 2017-11-17 | 2018-05-22 | 广州供电局有限公司 | Draft gear applied to cable laying |
| CN104300479B (en) * | 2014-09-15 | 2018-08-31 | 中天科技海缆有限公司 | A kind of mounting process of power cable aluminium alloy waterproof drawing head |
| CN112653070A (en) * | 2020-12-22 | 2021-04-13 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of composite smooth aluminum-sheathed cable and manufacturing method thereof |
| CN115864289A (en) * | 2022-11-26 | 2023-03-28 | 浙江正泰电缆有限公司 | Connecting structure of waterproof drawing head of cable and cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3414363A1 (en) * | 1984-01-13 | 1985-10-17 | Roland 7000 Stuttgart Wolf | Tension-resistant and moisture-proof capping of optical waveguide cables, coaxial cables or power cables |
| JPH09120009A (en) * | 1995-10-26 | 1997-05-06 | Furukawa Electric Co Ltd:The | Pulling end of communication cable |
| CN101546895A (en) * | 2009-04-30 | 2009-09-30 | 广州岭南电缆有限公司 | A drawing head of a high pressure cross linking cable |
| CN201608471U (en) * | 2009-11-13 | 2010-10-13 | 宁波球冠电缆制造有限公司 | Streamline-shaped anti-jammed cable drawing head and mounting sealing device thereof |
| CN201838940U (en) * | 2010-10-29 | 2011-05-18 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of cable |
-
2010
- 2010-10-29 CN CN 201010531539 patent/CN102035150B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3414363A1 (en) * | 1984-01-13 | 1985-10-17 | Roland 7000 Stuttgart Wolf | Tension-resistant and moisture-proof capping of optical waveguide cables, coaxial cables or power cables |
| JPH09120009A (en) * | 1995-10-26 | 1997-05-06 | Furukawa Electric Co Ltd:The | Pulling end of communication cable |
| CN101546895A (en) * | 2009-04-30 | 2009-09-30 | 广州岭南电缆有限公司 | A drawing head of a high pressure cross linking cable |
| CN201608471U (en) * | 2009-11-13 | 2010-10-13 | 宁波球冠电缆制造有限公司 | Streamline-shaped anti-jammed cable drawing head and mounting sealing device thereof |
| CN201838940U (en) * | 2010-10-29 | 2011-05-18 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of cable |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300479B (en) * | 2014-09-15 | 2018-08-31 | 中天科技海缆有限公司 | A kind of mounting process of power cable aluminium alloy waterproof drawing head |
| CN105470869A (en) * | 2016-02-19 | 2016-04-06 | 南宁市正极机电有限公司 | Draft gear used for electric power cable erection |
| CN106356772A (en) * | 2016-09-30 | 2017-01-25 | 广东电网有限责任公司珠海供电局 | Cable traction head and cable structure with same |
| CN106356772B (en) * | 2016-09-30 | 2018-11-27 | 广东电网有限责任公司珠海供电局 | Cable drawing head and the construction of cable equipped with the cable drawing head |
| CN108063399A (en) * | 2017-11-17 | 2018-05-22 | 广州供电局有限公司 | Draft gear applied to cable laying |
| CN112653070A (en) * | 2020-12-22 | 2021-04-13 | 浙江晨光电缆股份有限公司 | Waterproof drawing head of composite smooth aluminum-sheathed cable and manufacturing method thereof |
| CN114825196A (en) * | 2020-12-22 | 2022-07-29 | 浙江晨光电缆股份有限公司 | Manufacturing method of waterproof drawing head of composite smooth aluminum-sheathed cable |
| CN114825196B (en) * | 2020-12-22 | 2023-05-26 | 浙江晨光电缆股份有限公司 | Manufacturing method of waterproof traction head of composite smooth aluminum sleeve cable |
| CN115864289A (en) * | 2022-11-26 | 2023-03-28 | 浙江正泰电缆有限公司 | Connecting structure of waterproof drawing head of cable and cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035150B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102035150B (en) | Waterproof drawing head of cable and mounting method thereof | |
| CN102361266B (en) | Device special for laying underwater cable | |
| KR20210032098A (en) | Protective cover device for construction and installing method thereof | |
| CN101893221B (en) | Lamp cable sealing structure | |
| CN103401206B (en) | Fast cable joint | |
| CN201838940U (en) | Waterproof drawing head of cable | |
| CN112653070B (en) | Waterproof drawing head of compound level and smooth aluminium sheathing cable | |
| CN102953334B (en) | Tube expansion sealing type guy cable and using method thereof | |
| CN204089140U (en) | A kind of 138 kilovolts of pre-fabricated dry cable terminations | |
| CN202276094U (en) | Special device for laying underwater cable | |
| CN102953332B (en) | Omni-sealing type inhaul cable and using method thereof | |
| CN107606320A (en) | A kind of combinable modularization pipeline sealing protective device of prefabricated | |
| CN103579987B (en) | A kind of anti-explosion cable joint sealing method | |
| CN202997494U (en) | Down hole apparatus cable junction structure | |
| CN206060092U (en) | A kind of plugging device of high tension cable and steel pipe | |
| KR100660396B1 (en) | Method of repair and connector using underground line | |
| CN205692989U (en) | A kind of insulation puncture line clamping | |
| CN208570152U (en) | Waterproof and shielded flexible cable resistant to chemical etching | |
| CN208874263U (en) | A kind of high-voltage cable middle joint protecting crust that screw rod is reinforced | |
| CN217240292U (en) | High-voltage power cable grounding device | |
| CN206340930U (en) | It is grounded magazine | |
| JP5835716B2 (en) | Power cable connection structure | |
| CN106229912A (en) | A kind of cable protection pipe mouth of pipe big envelope | |
| CN206432673U (en) | Annular ground magazine | |
| CN219918326U (en) | Airtight electrical protection cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cable waterproof leading head and its installation method Effective date of registration: 20201203 Granted publication date: 20120905 Pledgee: Dushangang sub branch of Zhejiang Pinghu Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG CHENGUANG CABLE Co.,Ltd. Registration number: Y2020330001100 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210617 Granted publication date: 20120905 Pledgee: Dushangang sub branch of Zhejiang Pinghu Rural Commercial Bank Co., Ltd Pledgor: ZHEJIANG CHENGUANG CABLE Co.,Ltd. Registration number: Y2020330001100 |