CN102231497A - High pressure flexible direct current extrusion insulation cable moulding type joint apparatus - Google Patents
High pressure flexible direct current extrusion insulation cable moulding type joint apparatus Download PDFInfo
- Publication number
- CN102231497A CN102231497A CN2011101000363A CN201110100036A CN102231497A CN 102231497 A CN102231497 A CN 102231497A CN 2011101000363 A CN2011101000363 A CN 2011101000363A CN 201110100036 A CN201110100036 A CN 201110100036A CN 102231497 A CN102231497 A CN 102231497A
- Authority
- CN
- China
- Prior art keywords
- direct current
- support seat
- counterdie
- high pressure
- cavity
- 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.)
- Pending
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 title abstract description 11
- 238000001125 extrusion Methods 0.000 title abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract description 4
- 238000005987 sulfurization reaction Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Images
Abstract
The invention discloses a high pressure flexible direct current extrusion insulation cable moulding type joint apparatus. The joint apparatus comprises an upper die, a lower die, a plurality of connecting pieces and a heater. The heater comprises a heating element provided in the upper die and the lower die, a socket connected to the two ends of the heating element and provided on one end surface of the upper die and the lower die and a heating controller. The upper die is provided on the lower die through the connecting pieces. A recessed chamber is provided in the upper die. The opposite position of the upper recessed chamber is provided with a lower recessed chamber inside the lower die. The upper recessed chamber and the lower recessed chamber are arranged face to face to form a cavity. The connecting pieces comprise a connecting shaft, a shaft rod, an upper supporting seat, an lower supporting seat, a pad and a nut. The lower supporting seat is arranged at the two sides of the lower die and the upper supporting seat is arranged at the two sides of the upper die which are corresponding to the position of the lower supporting seat. According to the moulding type joint apparatus, a crosslinking sulfuration is carried out to the insulating tape additionally winded on the joint through heating and pressurization and the insulating tape is combined with the insulator of a direct current cable so that the cable can reach a required usage length.
Description
Technical field
The present invention relates to a kind of piecing devices, be specifically related to the flexible direct current of a kind of high pressure and extrude insulated cable moulding type piecing devices.
Background technology
High voltage direct current cable is as the transmission facility important components, at present, in the prior art, domestic high voltage direct current cable is oil-impregnated paper insulation cable, adopt manual increasing to insulate in the joint of high voltage direct current oil-impregnated paper insulation cable, be surrounded by the copper shell in transition joint place then and seal, the length of the high voltage direct current cable that the solderless wrapped connection of this kind mode forms around insulating tape, and cause puncture easily between oilpaper, forming the discharge of space generation office, the performance of high voltage direct current cable is caused the essence influence.Domestic high voltage direct current cable is oil-impregnated paper insulation cable, and high voltage direct current cable is novel insulation system now, and extrusion type is crosslinked polyetylene insulated.The joint geometry of oil-impregnated paper insulation cable can't be fit to the cable of this type of novel insulation system, must the new joint geometry of redesign.
Summary of the invention
The invention provides the flexible direct current of a kind of high pressure and extrude insulated cable moulding type piecing devices, by these moulding type piecing devices, through heating, pressurization, make the insulating tape that increases around the joint carry out cross-linking vulcanized, become one with the insulator of direct current cables, thereby make cable reach instructions for use length.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
The flexible direct current of a kind of high pressure is extruded insulated cable moulding type piecing devices, comprises upper die and lower die and several links, is characterized in that described patrix is arranged on the counterdie by link;
Be provided with cavity in the described patrix;
Be provided with down cavity in described counterdie and the last cavity correspondence position;
These piecing devices also comprise heater, and described heater comprises heating element that is arranged in the upper die and lower die and the socket that is connected respectively with the heating element two ends; This socket is arranged on an end face of upper die and lower die.
Described cavity and the involutory formation cavity that is provided with of following cavity gone up.
Described link comprises connecting axle, axostylus axostyle, upper support seat, lower support seat, pad and nut;
Described lower support seat is arranged on the dual-side of counterdie;
Described upper support seat is arranged on the dual-side with the patrix at the corresponding position of lower support seat;
Described connecting axle one end is provided with axis hole, and its other end is provided with external screw thread; The axis hole that described axostylus axostyle passes connecting axle is connected with the lower support seat at two ends;
Described nut is arranged on the upper support seat by the connecting axle screw thread, and fastening upper and lower mould;
Described pad is arranged between nut and the upper support seat.
Also comprise the thermometric binding post, described thermometric binding post is arranged on the side of counterdie.
The flexible direct current of a kind of high pressure of the present invention is extruded insulated cable moulding type piecing devices and is compared with prior art had the following advantages:
The present invention is owing to be provided with heater in device, high voltage direct current cable is heated to depress in the moulding type piecing devices and vulcanized, and eliminates insulation interface and space charge, has improved the transmission performance of cable.
The joint of the high voltage direct current cable after the present invention handles can save copper shell joint, and joint is a connecting hose, and the connecting hose diameter is close with the cable body diameter, is convenient to the coiling transportation.
Adopting the maximum length of the high voltage direct current cable of the present invention's connection is 20 ~ 30 kilometers.
External temperature control device of the present invention can effectively be controlled and increases around the cross-linking vulcanized process of insulating material.
Description of drawings
Fig. 1 extrudes the front view of insulated cable moulding type piecing devices for the flexible direct current of a kind of high pressure of the present invention;
Fig. 2 extrudes the vertical view of insulated cable moulding type piecing devices counterdie for the flexible direct current of a kind of high pressure of the present invention;
Fig. 3 extrudes the profile of insulated cable moulding type piecing devices counterdie A-A for the flexible direct current of a kind of high pressure of the present invention.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 3 invention is further elaborated, describes a preferred embodiment of the present invention in detail.
As shown in Figure 1 and Figure 2, the flexible direct current of a kind of high pressure is extruded insulated cable moulding type piecing devices, comprise patrix 1, counterdie 2, link 3 and thermometric binding post 4 and heater, heater comprises heating element that is arranged in the counterdie 2 and the socket that is connected respectively with the heating element two ends, and this socket is arranged on an end face of counterdie 2.Patrix 1 is arranged on the counterdie 2 by link 3.Be provided with cavity in the described patrix 1, be provided with down cavity 21(as shown in Figure 3 in counterdie 2 and the last cavity correspondence position).Last cavity and the following cavity 21 involutory formation cavitys that are provided with.Link 3 comprises connecting axle 31, axostylus axostyle 32, upper support seat 33, lower support seat 34, pad 35 and nut 36, lower support seat 34 is arranged on the dual-side of counterdie 2, upper support seat 33 is arranged on the dual-side with the patrix 1 at lower support seat 34 corresponding positions, connecting axle 31 1 ends are provided with axis hole, and its other end is provided with screw thread, and axostylus axostyle 32 passes axis hole and is connected with the lower support seat 34 at two ends, connecting axle 31 can be around axostylus axostyle 32 rotations, and nut 36 is arranged on the upper support seat 33 by screw thread; Described pad 35 is arranged between nut 36 and the upper support seat 33.Thermometric binding post 4 is arranged on the side of counterdie 2, connects external equipment by thermometric binding post 4, and these piecing devices are carried out temperature control.
During The field of the present invention, the structure of high voltage direct current cable is followed successively by copper conductor, interior shield semiconductors layer, XLPE insulating barrier, outer semiconductor screen, vertically water blocking layer, radial resistivity water layer, pe sheath and coated semiconductor from inside to outside.When cable need connect, cable cuts from outside to inside, copper conductor is exposed in the joint, shell the XLPE insulating barrier near the joint, copper conductor with two cable joint places is crimped on together earlier, then by adopting semi-cure rubber strip or crosslinked polyethylene band to increase around insulation, further, the joint that will increase after insulation is arranged in the following cavity 21 of counterdie 2, cover patrix 1, connecting axle 31 makes connecting axle 31 ends of thread snap into upper support seat place around axostylus axostyle 32 rotations, by nut 36 compress gaskets 35 and upper support seat 33, finish fixing between patrix 1 and the counterdie 2.At last by joint gang socket, make heater work, lead connects thermometric binding post 4 and temperature control equipment, temperature control equipment comprises temperature-controlled cabinet body, temperature display, adjustment button and time adjusting knob, control time of inner heating-up temperature and heating by adjustment button, time adjusting knob, thereby effectively control increases around the cross-linking vulcanized process of insulating material.The butt joint device heats, and pressurization is vulcanized rubber strip, becomes one with the insulator of direct current cables, thereby makes cable reach requirement length.Adopt this piecing devices, joint can be made into the same diameter of cable body (title connecting hose), thus the production (20 ~ 30 kilometers) of realization length submarine cable.
In sum, these piecing devices are simple in structure, vulcanize in the joint, eliminate insulator interface and space charge, improve the transportation performance of cable.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (4)
1. the flexible direct current of high pressure is extruded insulated cable moulding type piecing devices, comprises patrix (1), counterdie (2) and several links (3), it is characterized in that described patrix (1) is arranged on the counterdie (2) by link (3);
Described patrix is provided with cavity in (1);
Be provided with down cavity (21) in described counterdie (2) and the last cavity correspondence position;
These piecing devices also comprise heater, and described heater comprises heating element that is arranged in patrix (1) and the counterdie (2) and the socket that is connected respectively with the heating element two ends; This socket is arranged on an end face of patrix (1) and counterdie (2).
2. the flexible direct current of high pressure according to claim 2 is extruded insulated cable moulding type piecing devices, it is characterized in that, described cavity and the involutory formation cavity that is provided with of following cavity (21) gone up.
3. the flexible direct current of high pressure according to claim 1 is extruded insulated cable moulding type piecing devices, it is characterized in that described link (3) comprises connecting axle (31), axostylus axostyle (32), upper support seat (33), lower support seat (34), pad (35) and nut (36);
Described lower support seat (34) is arranged on the dual-side of counterdie (2);
Described upper support seat (33) is arranged on the dual-side with the patrix (1) at the corresponding position of lower support seat (34);
Described connecting axle (31) one ends are provided with axis hole, and its other end is provided with external screw thread; The axis hole that described axostylus axostyle (32) passes connecting axle (31) is connected with the lower support seat (34) at two ends;
Described nut (36) is arranged on the upper support seat (33) by the connecting axle screw thread, and fastening upper and lower mould (1,2);
Described pad (35) is arranged between nut (36) and the upper support seat (33).
4. the flexible direct current of high pressure according to claim 1 is extruded insulated cable moulding type piecing devices, it is characterized in that also comprise thermometric binding post (4), described thermometric binding post (4) is arranged on the side of counterdie (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101000363A CN102231497A (en) | 2011-04-21 | 2011-04-21 | High pressure flexible direct current extrusion insulation cable moulding type joint apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101000363A CN102231497A (en) | 2011-04-21 | 2011-04-21 | High pressure flexible direct current extrusion insulation cable moulding type joint apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102231497A true CN102231497A (en) | 2011-11-02 |
Family
ID=44844042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101000363A Pending CN102231497A (en) | 2011-04-21 | 2011-04-21 | High pressure flexible direct current extrusion insulation cable moulding type joint apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102231497A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247628A (en) * | 2013-01-31 | 2016-01-13 | Abb技术有限公司 | Method in the manufacturing of an insulated electric high voltage dc termination or joint |
| CN106680586A (en) * | 2016-11-24 | 2017-05-17 | 国网宁夏电力公司吴忠供电公司 | Transformer measuring discharge device |
| CN107482328A (en) * | 2017-09-01 | 2017-12-15 | 海鹰企业集团有限责任公司 | A kind of underwater acoustic array output cable and its seal connecting method |
| EP3270479A1 (en) * | 2016-07-15 | 2018-01-17 | Maschinenbau Scholz Gmbh & Co. Kg | Curing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084307A (en) * | 1973-07-11 | 1978-04-18 | Allmanna Svenska Elektriska Aktiebolaget | Method of joining two cables with an insulation of cross-linked polyethylene or another cross linked linear polymer |
| US4354053A (en) * | 1978-02-01 | 1982-10-12 | Gold Marvin H | Spliced high voltage cable |
| CN1258944A (en) * | 1998-12-29 | 2000-07-05 | 富士康(昆山)电脑接插件有限公司 | Integral wire and cable connecting method and device |
| CN1929224A (en) * | 2006-09-08 | 2007-03-14 | 江苏圣安电缆有限公司 | Switching method and mould for crosslinked polyethylene insulated power cable |
| CN2935509Y (en) * | 2006-08-03 | 2007-08-15 | 温州大观电气有限公司 | Cable connection insulator |
| CN101068075A (en) * | 2007-05-22 | 2007-11-07 | 宁波东方电缆有限公司 | Soft joint for cross-linked polyethylene cable and producing method thereof |
| CN202042620U (en) * | 2011-04-21 | 2011-11-16 | 上海市电力公司 | Molding joint device for high-voltage flexible direct-current extruded insulating cable |
-
2011
- 2011-04-21 CN CN2011101000363A patent/CN102231497A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084307A (en) * | 1973-07-11 | 1978-04-18 | Allmanna Svenska Elektriska Aktiebolaget | Method of joining two cables with an insulation of cross-linked polyethylene or another cross linked linear polymer |
| US4354053A (en) * | 1978-02-01 | 1982-10-12 | Gold Marvin H | Spliced high voltage cable |
| CN1258944A (en) * | 1998-12-29 | 2000-07-05 | 富士康(昆山)电脑接插件有限公司 | Integral wire and cable connecting method and device |
| CN2935509Y (en) * | 2006-08-03 | 2007-08-15 | 温州大观电气有限公司 | Cable connection insulator |
| CN1929224A (en) * | 2006-09-08 | 2007-03-14 | 江苏圣安电缆有限公司 | Switching method and mould for crosslinked polyethylene insulated power cable |
| CN101068075A (en) * | 2007-05-22 | 2007-11-07 | 宁波东方电缆有限公司 | Soft joint for cross-linked polyethylene cable and producing method thereof |
| CN202042620U (en) * | 2011-04-21 | 2011-11-16 | 上海市电力公司 | Molding joint device for high-voltage flexible direct-current extruded insulating cable |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247628A (en) * | 2013-01-31 | 2016-01-13 | Abb技术有限公司 | Method in the manufacturing of an insulated electric high voltage dc termination or joint |
| US9991687B2 (en) | 2013-01-31 | 2018-06-05 | Abb Hv Cables (Switzerland) Gmbh | Method in the manufacturing of an insulated electric high voltage DC termination or joint |
| CN105247628B (en) * | 2013-01-31 | 2018-07-31 | Abb Hv电缆瑞士有限责任公司 | Manufacture the method in the electric high-voltage DC terminals to be insulated or connector |
| US10855063B2 (en) | 2013-01-31 | 2020-12-01 | Nkt Hv Cables Ab | Method in the manufacturing of an insulated electric high voltage DC termination or joint |
| EP3270479A1 (en) * | 2016-07-15 | 2018-01-17 | Maschinenbau Scholz Gmbh & Co. Kg | Curing device |
| CN106680586A (en) * | 2016-11-24 | 2017-05-17 | 国网宁夏电力公司吴忠供电公司 | Transformer measuring discharge device |
| CN107482328A (en) * | 2017-09-01 | 2017-12-15 | 海鹰企业集团有限责任公司 | A kind of underwater acoustic array output cable and its seal connecting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11843232B2 (en) | Assembly and method for sealing a bundle of wires | |
| CA2887660C (en) | Cold shrinkable termination for an electric power cable | |
| CN101911213B (en) | Method for providing an insulated electric high voltage DC cable or a high voltage DC termination or joint | |
| US10855063B2 (en) | Method in the manufacturing of an insulated electric high voltage DC termination or joint | |
| EP3539188B1 (en) | Process for jointing cables | |
| CN110350376B (en) | Cross-linked polyethylene power cable intermediate connection joint and manufacturing method thereof | |
| CN102593783A (en) | Direct-current cross-linked submarine cable connector and manufacturing method thereof | |
| CN104240814A (en) | Technical manufacturing method for heat-dissipation cable | |
| CN102231497A (en) | High pressure flexible direct current extrusion insulation cable moulding type joint apparatus | |
| EP3298670B1 (en) | A system comprising a cable and a cold shrinkable cable termina, cold shrinkable terminal assembly and method of terminating a cable | |
| KR101915637B1 (en) | Insulated cable having thermal curing improvement structure and method of manufacturing the same | |
| US10665365B2 (en) | Low voltage electric power cable | |
| US10065342B2 (en) | Molded resin-equipped electric wire and molded resin-equipped electric wire production method | |
| AU2013376427A1 (en) | Method in the manufacturing of an insulated electric high voltage DC termination or joint | |
| CN202042620U (en) | Molding joint device for high-voltage flexible direct-current extruded insulating cable | |
| US8883061B2 (en) | Cover assemblies for electrical cables and methods and kits including same | |
| CN105703316A (en) | Power cable polymer joint | |
| CN204143898U (en) | A kind of 110KV height transmission capacity cable | |
| CN108565052A (en) | A kind of communication equipment is damaged with low whirlpool can cascade band-like flexible cable and preparation method thereof and prepare extrusion die used in the cable | |
| JPS5859030A (en) | Method of forming power cable joined section insulated with rubber or plastics | |
| JPS58198111A (en) | Connecting device for plastic insulated cable | |
| CN105870870A (en) | Anti-shock cable accessory | |
| KR20170074092A (en) | Insulation tube and manufacturing method for insulation tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI JIAOTONG Free format text: FORMER OWNER: SHANGHAI JIAOTONG UNIVERSITY SHANGHAI HUAPU CABLE CO., LTD. SHANGHAI JIEJIN NEW ELECTRIC MATERIAL CO., LTD. Effective date: 20121206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121206 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Jiao Tong University Applicant after: Shanghai Huapu Cable Co., Ltd. Applicant after: Shanghai Jiejin Electric Power New Materials Co., Ltd. Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiao Tong University Applicant before: Shanghai Huapu Cable Co., Ltd. Applicant before: Shanghai Jiejin Electric Power New Materials Co., Ltd. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111102 |