CN103078288B - Stretch-proof and water-proof insulating bushing for connected cable and use method - Google Patents
Stretch-proof and water-proof insulating bushing for connected cable and use method Download PDFInfo
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- CN103078288B CN103078288B CN201310000057.7A CN201310000057A CN103078288B CN 103078288 B CN103078288 B CN 103078288B CN 201310000057 A CN201310000057 A CN 201310000057A CN 103078288 B CN103078288 B CN 103078288B
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- flange
- hough
- cable
- pressing plate
- hubbed
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- 238000000034 method Methods 0.000 title description 7
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims description 42
- 239000004590 silicone sealant Substances 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000009977 dual effect Effects 0.000 abstract description 3
- 208000020673 hypertrichosis-acromegaloid facial appearance syndrome Diseases 0.000 abstract 6
- 229920001296 polysiloxane Polymers 0.000 abstract 3
- 230000002708 enhancing effect Effects 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
- Installation Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a stretch-proof and water-proof insulating bushing for a connected cable, and particularly relates to a protective bushing, which is provided with dual seals of Haff-connected silicone sealing gum and a sealing ring, is used for enhancing the tensile strength of the connected cable and improving the water resistance and insulating performance of a cable joint position, and belongs to the technical field of cable protection. The stretch-proof and water-proof insulating bushing consists of protective tubes, retainer rings, silicone sealing gum, hubbed flanges, sealing rings, Haff end covers and Haff pressure plates, and is characterized in that: the two ends of the protective tubes are provided with flanges, and are arranged in the middle of a cable joint; the silicone sealing gum is filled into the middles of the retainer rings in the protective tubes and the hubbed flanges; the Haff end covers are pressed against the sealing rings, and are screwed into the external threads of the hubbed flanges through internal threads; the Haff end covers and the cable are fastened by using the Haff pressure plates via bolts; and fittings on both sides of the protective tubes are the same as each other and are in opposite directions. The bushing has high leak tightness and high insulativity on the cable joint, the connected cable has high tensile strength, and the aims of sealing the connected cable in a dual way and enhancing the tensile strength of the connected cable are fulfilled.
Description
Technical field
The present invention relates to a kind of stube cable stretch-proof waterproof insulation sleeve pipe, the raising of the silicone sealant and sealing ring dual-seal that particularly relate to the connection of a kind of Hough is connected cable tensile strength and increases the protection tube of cable joint position water resistance and insulation property.
Background technology
In industrial cable installment work, because the concrete condition of job site changes, cable can not complete stretching use, often runs into the length that actual installation length is greater than existing cable, when cable maintenance, also can run into the situation that cable connects.When cable needs to connect, the method for known technology is employing distribution box, underground cable well, is wound around the methods such as mackintosh outward to ensure cable insulation at cable.Wet environment, underground aquifer, the adverse circumstances such as under water just can not ensure the insulation property of cable out of doors to adopt the cable of above method.Especially in the presence of a harsh environment during construction, tractive is carried out to cable, because it is identical that cable can not make length by how with the connecting length of cable core when connecting, cable core is subject to external force traction when length is different, link position insulating barrier can be caused to tear, cable core ruptures, cause serious hidden danger and unavoidable disastrous effect to construction safety and Electrical Safety, cause the loss that cannot retrieve.Therefore, if the cable length that adverse circumstances use not or maintenance time, in order to avoid security incident, the general method changing cable that adopts solves, although this method is simple, there is the problems such as long construction period, cost is high, difficulty of construction is high, integrated cost is high.
Patent searching document, although there is similar techniques scheme, patent name is: the cable joint sealing locking protecting device (patent No.: 201020173740.2) proposing technical scheme is that the incoming line place, two ends of protective housing is provided with profile of tooth sealing, profile of tooth sealed inside is provided with seal groove and rubber ring, when sealing nut is locked, profile of tooth sealing is locked thereupon, reach the object of tensile strength and the protective housing sealing improving cable, but this technical scheme can only for the cable of civilian small bore, heavy in section industrial cable is from great, greatly stressed when pulling cable, the extruding force only leaning on locking nut to produce when constructing and frictional force to resist cable tension, when being subject to other mechanical forces generation motion when especially cable uses, the cable protection shell of this patent can not reliably protecting cable, when cable passes from seabed deep water, the darker pressure in seabed is larger, ocean current produces disturbance to cable simultaneously, the technical scheme of this patent can not ensure tensile strength and the waterproof sealing performance of cable connection location.The raising of the silicone sealant that current nothing has a kind of Hough to connect and sealing ring dual-seal is connected cable tensile strength and increases the protection tube of cable joint position water resistance and insulation property, and patent searching document is open without the technical scheme that this technology is new.
Summary of the invention
Technical problem to be solved by this invention is: be connected cable tensile strength in order to the raising overcoming silicone sealant that existing nothing has a kind of Hough to connect and sealing ring dual-seal and increase the deficiency of protection tube of cable joint position water resistance and insulation property, the raising that the object of the invention is silicone sealant in order to provide a kind of Hough to connect and sealing ring dual-seal is connected cable tensile strength and increases the protection tube of cable joint position water resistance and insulation property, this stube cable stretch-proof waterproof insulation sleeve pipe, cost is low, to the good airproof performance of cable joint, insulativity is high and to be connected cable tensile strength high, reach being connected cable dual-seal and improving the object being connected cable tensile strength.
Technological principle of the present invention is that protecting tube carries out mechanical protection to cable joint, silicone sealant and sealing ring carry out dual sealing functions to the cable joint be connected, cable is pressed on the groove of Hough end cap by Hough pressing plate, avoid the consequence that the institute different in size of the cable core after connection phenomenon causes, improve the tensile strength being connected cable.
The technical scheme of technical solution problem of the present invention is: by protecting tube, left back-up ring, left silicone sealant, left flange holding screw, left sealing ring, left Hough end cap, left hubbed flange, left Hough pressing plate, groove, internal thread, Hough follower bolt hole, hubbed flange bolt hole, endoporus, right back-up ring, right silicone sealant, right flange holding screw, left Hough pressing plate holding screw, right Hough pressing plate holding screw, right sealing ring, right Hough end cap, right hubbed flange, right Hough pressing plate composition, it is characterized in that there is flange flange at the two ends of protecting tube, there is left back-up ring the inside, left side of protecting tube, the left side flange flange of protecting tube and left hubbed flange fastening with left flange holding screw, and be filled with left silicone sealant therebetween, the external screw thread of left hubbed flange is threaded within left Hough end cap press against left sealing ring, left Hough pressing plate and left Hough end cap fastening by left Hough pressing plate holding screw, there is right back-up ring the inside, right side of protecting tube, the right flange flange of protecting tube and right hubbed flange fastening with right flange holding screw, and be filled with right silicone sealant therebetween, the external screw thread of right hubbed flange is threaded within right Hough end cap press against right sealing ring, right Hough pressing plate and right Hough end cap fastening by right Hough pressing plate holding screw, Hough end cap is female end cap and opposite side has semi-circular recesses, Hough pressing plate leaves Hough follower bolt hole, the flange face of hubbed flange leaves hubbed flange bolt hole and flange neck has external screw thread, the endoporus of hubbed flange is tapered bore, the cross section of sealing ring is right-angled triangle, the wherein gradient on a limit of sealing ring is identical with the gradient of the circular cone of the endoporus of hubbed flange, on left cable, left Hough end cap and left sealing ring and left hubbed flange and left back-up ring and protecting tube is inserted in successively during use, reserve cable to be connected, be inserted in successively on right cable and right Hough end cap and right sealing ring and right hubbed flange and right back-up ring simultaneously, reserve cable to be connected, then after the dislocation of cable to be connected being connected, cable joint is placed in the centre of protecting tube, then left back-up ring is pushed in the left side pipe of protecting tube, right back-up ring is pushed in the right side pipe of protecting tube simultaneously, then left silicone sealant is filled up the space in the middle of flange flange on the left of left back-up ring and protecting tube, right silicone sealant is filled up the space in the middle of right back-up ring and protecting tube right flange flange simultaneously, when silicone sealant solidifies substantially and surface nail leaves obvious nail indenture by pressure energy, when namely reaching final solidification hardness 80%, silicone sealant surface of substantially solidifying at this be coated with after the silicone sealant of 1 millimeters thick by the left side flange flange of protecting tube and left hubbed flange fastening with left flange holding screw, simultaneously by the right flange flange of protecting tube and right hubbed flange fastening with right flange holding screw, then left sealing ring is pushed the endoporus of left hubbed flange, right sealing ring is pushed the endoporus of right hubbed flange simultaneously, then the internal thread of left Hough end cap is screwed in the external screw thread of left hubbed flange and fastening, the internal thread of Hough end cap is again screwed in the external screw thread of right belt cervical approach orchid and fastening simultaneously, then left Hough pressing plate is pushed down left cable and fastening with left Hough pressing plate holding screw with left Hough end cap, right Hough pressing plate is pushed down right cable and fastening with right Hough pressing plate holding screw with right Hough end cap simultaneously, next step construction can be entered, reach being connected cable dual-seal and improving the object being connected cable tensile strength.
Key technology of the present invention is: after silicone sealant fills up the space in the middle of back-up ring and protecting tube side flange flange, smooth surface is smooth, substantially must solidify until silicone sealant and surface nail leaves obvious nail indenture by pressure energy time, when namely reaching final solidification hardness 80%, after the silicone sealant surface of basic solidification is coated with the silicone sealant of 1 millimeters thick could by the flange flange of protecting tube and hubbed flange flange holding screw fastening.
Compare with conventional art, the Advantageous Effects that the present invention obtains is: cost is low, and to the good airproof performance of cable joint, insulativity is high and to be connected cable tensile strength high, reaches being connected cable dual-seal and improving the object being connected cable tensile strength.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is cross-sectional schematic of the present invention.
Fig. 2 is installation cross-sectional schematic of the present invention.
Fig. 3 is Hough end cap of the present invention and Hough pressing plate assembling schematic diagram.
Fig. 4 is Hough end cap schematic front view of the present invention.
Fig. 5 is Hough end cap schematic top plan view of the present invention.
Fig. 6 is that schematic diagram is looked on a Hough end cap left side of the present invention.
Fig. 7 is that schematic diagram is looked on the Hough end cap right side of the present invention.
Fig. 8 is hubbed flange schematic diagram of the present invention.
1. protecting tubes in figure, 2. left back-up ring, 3. left silicone sealant, 4. left flange holding screw, 5. left sealing ring, 6. left Hough end cap, 7. left hubbed flange, 8. left Hough pressing plate, 9. left cable, 10. cable joint, 11. grooves, 12. internal threads, 13. Hough follower bolt holes, 14. hubbed flange bolts hole, 15. external screw threads, 16. endoporus, 21. right back-up rings, 31. right silicone sealants, 41. right flange holding screws, 42. left Hough pressing plate holding screws, 43. right Hough pressing plate holding screws, 51. right sealing rings, 61. right Hough end caps, 71. right hubbed flanges, 81. right Hough pressing plates, 91. right cables.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but protection range of the presently claimed invention is not limited to the scope described by specific embodiment.
Example 1, structure of the present invention and using method as follows:
A. the present invention is by protecting tube 1, left back-up ring 2, left silicone sealant 3, left flange holding screw 4, left sealing ring 5, left Hough end cap 6, left hubbed flange 7, left Hough pressing plate 8, groove 11, internal thread 12, Hough follower bolt hole 13, hubbed flange bolt hole 14, endoporus 16, right back-up ring 21, right silicone sealant 31, right flange holding screw 41, left Hough pressing plate holding screw 42, right Hough pressing plate holding screw 43, right sealing ring 51, right Hough end cap 61, right hubbed flange 71, right Hough pressing plate 81 forms, it is characterized in that there is flange flange at the two ends of protecting tube 1, there is left back-up ring 2 inside, left side of protecting tube 1, the left side flange flange of protecting tube 1 and left hubbed flange 7 fastening with left flange holding screw 4, and be filled with left silicone sealant 3 therebetween, left Hough end cap 6 press against left sealing ring 5 screws in left hubbed flange 7 external screw thread 15 with internal thread 12, left Hough pressing plate 8 is fastening by left Hough pressing plate holding screw 42 with left Hough end cap 6, there is right back-up ring 21 inside, right side of protecting tube 1, the right flange flange of protecting tube 1 and right hubbed flange 71 fastening with right flange holding screw 41, and be filled with right silicone sealant 31 therebetween, right Hough end cap 61 press against right sealing ring 51 screws in right hubbed flange 71 external screw thread 15 with internal thread 12, right Hough pressing plate 81 is fastening by right Hough pressing plate holding screw 43 with right Hough end cap 61, Hough end cap has the end cap of internal thread 12 and opposite side has semi-circular recesses 11, Hough pressing plate leaves Hough follower bolt hole 13, the flange face of hubbed flange leaves hubbed flange bolt hole 14 and flange neck has external screw thread 15, the endoporus 16 of hubbed flange is tapered bore, the cross section of sealing ring is right-angled triangle, the gradient on a wherein limit of sealing ring is identical with the gradient of the circular cone of the endoporus 16 of hubbed flange,
On left cable 9, left Hough end cap 6 and left sealing ring 5 and left hubbed flange 7 and left back-up ring 2 and protecting tube 1 is inserted in successively when b. using, reserve cable to be connected, be inserted in successively on right cable 91 and right Hough end cap 61 and right sealing ring 51 and right hubbed flange 71 and right back-up ring 21 simultaneously, reserve cable to be connected;
C., after then the dislocation of cable to be connected being connected, cable joint 10 is placed in the centre of protecting tube 1, then pushes in the left side pipe of protecting tube 1 by left back-up ring 2, pushes in the right side pipe of protecting tube 1 by right back-up ring 21 simultaneously;
D. then left silicone sealant 3 is filled up the space in the middle of flange flange on the left of left back-up ring 2 and protecting tube 1, right silicone sealant 31 is filled up the space that right back-up ring 21 is middle with protecting tube 1 right flange flange simultaneously;
E. when silicone sealant solidifies substantially and surface nail leaves obvious nail indenture by pressure energy, when namely reaching final solidification hardness 80%, silicone sealant surface of substantially solidifying at this be coated with after the silicone sealant of 1 millimeters thick by the left side flange flange of protecting tube 1 and left hubbed flange 7 fastening with left flange holding screw 4, simultaneously by the right flange flange of protecting tube 1 and right hubbed flange 71 fastening with right flange holding screw 41;
F. then left sealing ring 5 is pushed the endoporus 16 of left hubbed flange 7, right sealing ring 51 is pushed the endoporus 16 of right hubbed flange 71 simultaneously;
G. then the internal thread 12 of left Hough end cap 6 is screwed in the external screw thread 15 of left hubbed flange 7 and fastening, the internal thread 12 of Hough end cap 61 is again screwed in the external screw thread 15 of right hubbed flange 71 and fastening simultaneously;
H. then left Hough pressing plate 8 is pushed down left cable 9 and fastening with left Hough pressing plate holding screw 42 with left Hough end cap 6, right Hough pressing plate 81 is pushed down right cable 91 and fastening with right Hough pressing plate holding screw 43 with right Hough end cap 61 simultaneously, next step construction can be entered, reach being connected cable dual-seal and improving the object being connected cable tensile strength.
Claims (1)
1. a stube cable stretch-proof waterproof insulation sleeve pipe, by protecting tube (1), left back-up ring (2), left silicone sealant (3), left flange holding screw (4), left sealing ring (5), left Hough end cap (6), left hubbed flange (7), left Hough pressing plate (8), groove (11), internal thread (12), Hough follower bolt hole (13), hubbed flange bolt hole (14), endoporus (16), right back-up ring (21), right silicone sealant (31), right flange holding screw (41), left Hough pressing plate holding screw (42), right Hough pressing plate holding screw (43), right sealing ring (51), right Hough end cap (61), right hubbed flange (71), right Hough pressing plate (81) composition, it is characterized in that:
There is flange flange at the two ends of protecting tube (1), there is left back-up ring (2) inside, left side of protecting tube (1), the left end flange flange of protecting tube (1) and left hubbed flange (7) fastening with left flange holding screw (4), and be filled with left silicone sealant (3) therebetween, left Hough end cap (6) press against left sealing ring (5) screws in left hubbed flange (7) external screw thread (15) with internal thread (12), left Hough pressing plate (8) is fastening by left Hough pressing plate holding screw (42) with left Hough end cap (6), there is right back-up ring (21) inside, right side of protecting tube (1), the right-hand member flange flange of protecting tube (1) and right hubbed flange (71) fastening with right flange holding screw (41), and be filled with right silicone sealant (31) therebetween, right Hough end cap (61) press against right sealing ring (51) screws in right hubbed flange (71) external screw thread (15) with internal thread (12), right Hough pressing plate (81) is fastening by right Hough pressing plate holding screw (43) with right Hough end cap (61), left Hough end cap (6) and right Hough end cap (61) are that wherein there is the end cap of internal thread (12) side, and opposite side has semi-circular recesses (11), left Hough pressing plate (8) and right Hough pressing plate (81) all leave Hough follower bolt hole (13), the flange face of left hubbed flange (7) and right hubbed flange (71) leaves hubbed flange bolt hole (14) and flange neck has external screw thread (15), the endoporus (16) of left hubbed flange (7) and right hubbed flange (71) is all tapered bores, the cross section of left sealing ring (5) and right sealing ring (51) is all right-angled triangles, the gradient on a wherein limit of left sealing ring (5) is identical with the gradient of the circular cone of the endoporus (16) of left hubbed flange (7), the gradient on a wherein limit of right sealing ring (51) is identical with the gradient of the circular cone of the endoporus (16) of right hubbed flange (71).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256929.5A CN104795772B (en) | 2013-01-04 | 2013-01-04 | Application method of tensile waterproof insulating sleeve of connected cable |
| CN201310000057.7A CN103078288B (en) | 2013-01-04 | 2013-01-04 | Stretch-proof and water-proof insulating bushing for connected cable and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000057.7A CN103078288B (en) | 2013-01-04 | 2013-01-04 | Stretch-proof and water-proof insulating bushing for connected cable and use method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256929.5A Division CN104795772B (en) | 2013-01-04 | 2013-01-04 | Application method of tensile waterproof insulating sleeve of connected cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103078288A CN103078288A (en) | 2013-05-01 |
| CN103078288B true CN103078288B (en) | 2015-06-24 |
Family
ID=48154737
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310000057.7A Expired - Fee Related CN103078288B (en) | 2013-01-04 | 2013-01-04 | Stretch-proof and water-proof insulating bushing for connected cable and use method |
| CN201510256929.5A Expired - Fee Related CN104795772B (en) | 2013-01-04 | 2013-01-04 | Application method of tensile waterproof insulating sleeve of connected cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256929.5A Expired - Fee Related CN104795772B (en) | 2013-01-04 | 2013-01-04 | Application method of tensile waterproof insulating sleeve of connected cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103078288B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486339B (en) * | 2013-10-21 | 2015-03-11 | 衢州市易凡设计有限公司 | Dustproof wall feed-through sleeve |
| CN104901259B (en) * | 2015-06-02 | 2017-10-03 | 张维秀 | A kind of cable sealing device and cable seal method |
| CN107785862A (en) * | 2016-08-29 | 2018-03-09 | 国网山东省电力公司青岛市黄岛区供电公司 | A kind of power splicing tube |
| CN107732811B (en) * | 2017-10-31 | 2023-09-15 | 中国重型机械研究院股份公司 | Quick-separating cable protective sleeve device with position compensation |
| CN107676550B (en) * | 2017-11-01 | 2024-02-27 | 贾志庆 | Power cable filling device of electric submersible pump |
| CN112582968B (en) * | 2020-11-12 | 2022-07-01 | 东风线缆集团股份有限公司 | Composite moisture-proof cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064570A (en) * | 1990-01-24 | 1992-09-16 | 莫雷尔企业-法维耶尔机电工场 | Cable is fixed on the connector and the cable protective sleeve that comprises this connector at sleeve port place with sealing means |
| CN1073055A (en) * | 1991-11-08 | 1993-06-09 | 皮雷利卡维公司 | Be used to cover the closed component of the elongated cylinder that resembles cable joint |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08251750A (en) * | 1995-03-10 | 1996-09-27 | Showa Electric Wire & Cable Co Ltd | Insulating body and its forming method in cable connection part |
| CN2718870Y (en) * | 2004-01-17 | 2005-08-17 | 四川久远科技股份有限公司 | Waterproof electric cable intermediate joint |
| JP2011172313A (en) * | 2010-02-16 | 2011-09-01 | J-Power Systems Corp | Straight connection for power cable |
| CN202127227U (en) * | 2011-07-02 | 2012-01-25 | 汕头市东亚电器厂 | Cable sealing device provided with jacket |
| CN202978204U (en) * | 2013-01-04 | 2013-06-05 | 衢州市易凡设计有限公司 | Stretch-resistant waterproof insulating sleeve for connecting cables |
-
2013
- 2013-01-04 CN CN201310000057.7A patent/CN103078288B/en not_active Expired - Fee Related
- 2013-01-04 CN CN201510256929.5A patent/CN104795772B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064570A (en) * | 1990-01-24 | 1992-09-16 | 莫雷尔企业-法维耶尔机电工场 | Cable is fixed on the connector and the cable protective sleeve that comprises this connector at sleeve port place with sealing means |
| CN1073055A (en) * | 1991-11-08 | 1993-06-09 | 皮雷利卡维公司 | Be used to cover the closed component of the elongated cylinder that resembles cable joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103078288A (en) | 2013-05-01 |
| CN104795772B (en) | 2017-01-25 |
| CN104795772A (en) | 2015-07-22 |
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