CN203660488U - Heat-shrinkable-type flexible cable terminal joint - Google Patents
Heat-shrinkable-type flexible cable terminal joint Download PDFInfo
- Publication number
- CN203660488U CN203660488U CN201320784118.9U CN201320784118U CN203660488U CN 203660488 U CN203660488 U CN 203660488U CN 201320784118 U CN201320784118 U CN 201320784118U CN 203660488 U CN203660488 U CN 203660488U
- Authority
- CN
- China
- Prior art keywords
- cable
- layer
- stress control
- shrinkable
- insulating
- 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
- 210000001503 joint Anatomy 0.000 title abstract 2
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 20
- 239000012212 insulator Substances 0.000 claims description 5
- 230000007774 longterm Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 5
- 230000035939 shock Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- 229920001903 high density polyethylene Polymers 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 230000036461 convulsion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model discloses a heat-shrinkable-type flexible cable terminal joint and belongs to the cable accessory technology field. The joint comprises a cable body and a copper connector. The cable body comprises a cable conductor, a cable insulation layer, a cable shielding layer, a stress control layer, an insulating layer and a stress control reinforcing layer. The copper connector presses tightly on an end portion of the cable conductor. An insulation reinforcing layer is arranged outside the stress control reinforcing layer. An end portion of the insulation reinforcing layer is provided with a shielding grounding casing pipe. The shielding grounding casing pipe is extended to the cable body. A rigid protected heat-shrinkable casing pipe is arranged outside the shielding grounding casing pipe. The rigid protected heat-shrinkable casing pipe is extended out of the insulation reinforcing layer. A insulation protecting cover is arranged outside the rigid protected heat-shrinkable casing pipe. By using the joint of the utility model, stability and reliability of a key stress control portion in the cable terminal under long-term shock impact and a long-term high-temperature operation condition are ensured.
Description
Technical field
The utility model relates to a kind of thermal shrinkage type flexible cable terminal fitting, belongs to electric cable accessories technical field.
Background technology
In high-speed train, because various electric equipment quantity is more, narrow space, three-D space structure complexity, need cable termination itself can carry out certain bending and be installed on electric equipment, can bear long-term high speed vibration simultaneously and impact and high temperature (50-100 DEG C) running environment.
The middle high-pressure cable terminal that current various high-speed train uses is generally to adopt the design of heat-shrinkable T bush in conjunction with stress control tube; afterbody is not taked effective protection; the stress control tube of cable termination inside (being overlapped on cable shield fracture), in the time of bending, has certain mechanical displacement or departs from original anchor point.The internal high temperature environment and the jerk that are accompanied by high-speed train have accelerated the displacement of stress control tube, are more prone to destroy the inner original project organization of cable termination and size, reduce the security reliability of cable termination.Even if the in the situation that of straight installation, also exist stress control tube and other each layer of heat-shrinkable T bush to come off or be shifted the situation of being out of shape.
Utility model content
The purpose of this utility model provides a kind of thermal shrinkage type flexible cable terminal fitting, and this product is guaranteed the inner crucial Stress Control position of cable termination, stability and reliability under long-term jerk and long term high temperature ruuning situation.
The purpose of this utility model is achieved through the following technical solutions, a kind of thermal shrinkage type flexible cable terminal fitting, comprise cable body, insulating strength layer, bonding sleeve pipe, copper connector, cable body comprises cable conductor, cable insulation, cable shield, stress control layer, insulating barrier, Stress Control reinforced layer, packaged cable insulating barrier on cable conductor, cable insulation arranges cable shield outward, cable shield turns down backward, be woven into a branch of and draw and form bonding line from cable body, cable shield arranges stress control layer outward, stress control layer extends to described cable insulation, the outer extruded insulation layer of stress control layer, insulating barrier outer end arranges Stress Control reinforced layer, Stress Control reinforced layer arranges insulating strength layer outward, and insulating strength layer extends to outside described insulating barrier, described insulating strength layer end is provided with bonding sleeve pipe, and bonding sleeve pipe extends to cable body, and bonding sleeve pipe surrounds the bonding line in described cable body, copper connector is pressed on cable conductor end, described bonding sleeve pipe is provided with rigid protective heat-shrinkable T bush outward, and rigid protective heat-shrinkable T bush extends to outside described insulating strength layer, rigid protective heat-shrinkable T bush ambient stress control reinforced layer, and rigid protective heat-shrinkable T bush is provided with insulating sheath outward.
Further, described cable insulation is flexible insulator insulating barrier, and described stress control layer, insulating barrier, Stress Control reinforced layer, insulating strength layer are heat-shrinkable T bush.
Further, described rigid protective heat-shrinkable T bush is high density polyethylene (HDPE) rigid protective heat-shrinkable T bush.
Above-mentioned thermal shrinkage type flexible cable terminal fitting is also provided with cluster parachute parts, and full skirt parts are arranged on outside the outer and insulating sheath of the insulating strength layer of cable body.
Compared with prior art, the utlity model has following beneficial effect:
The first, increase rigid protective heat-shrinkable T bush in the periphery of cable termination afterbody, make the fixing, straight of stress control tube and cable shield fracture overlap, guarantee stability and the reliability at the inner crucial Stress Control position of cable termination.The effect of rigid protective sleeve pipe is the key position that is installed on the control of cable termination bottom stress, forms firm rigid protective structure in cable termination internal structure.The periphery of the Stress Control key position of cable termination has increased by one section of rigidity heat-shrinkable T bush that high-density polyethylene material is made, shrinking cooling rear hardening becomes just, there is the very strong effect that rigidly fixes, form firm rigid structure at cable termination afterbody, thereby make each layer of heat-shrinkable T bush of the Stress Control key position of cable termination be unlikely to come off under external force, be shifted or be out of shape after contraction moulding, ensure stability and the reliability of cable termination under long-term jerk and long term high temperature ruuning situation.
The second, cable body is flexible cable, and cable insulation is flexible insulator, and stress control layer, insulating barrier, Stress Control reinforced layer, insulating strength layer are heat-shrinkable T bush, ensures that cable termination agent structure has certain flexibility.Cable termination body part adopts flexible internal structure, ensures that cable termination can carry out certain bending and install, and ensures operation safe and reliable under long-term severe environmental conditions.
The 3rd, according to different creepage distance requirements, can on cable termination body, increase easily full skirt parts, adjust the creepage distance of cable termination by demand.
The 4th, the utility model is middle high-pressure cable end required cable accessory products while being connected with power consumption equipment, and this product is mainly used in middle high-pressure regulator cubicle, and for the connection of cable and electric equipment, joint itself can carry out certain bending and install.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model thermal shrinkage type flexible cable terminal fitting;
Fig. 2 is the structural representation that the thermal shrinkage type flexible cable terminal fitting of full skirt parts is installed;
In figure: 1 cable conductor, 2 cable insulations, 3 cable shields, 4 stress control layers, 5 insulating barriers, 6 Stress Control reinforced layers, 7 insulating strength floor, 8 bonding sleeve pipes, 9 rigid protective heat-shrinkable T bushs, 10 insulating sheaths, 11 copper connectors, 12 bonding lines, 13 cable bodies, 14 No. 1 full skirts, 15 N full skirts.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, a kind of thermal shrinkage type flexible cable terminal fitting, comprises cable body 13, bonding sleeve pipe 8, copper connector 11 and rigid protective heat-shrinkable T bush 9.
Packaged cable insulating barrier 2 on cable conductor 1, the outer cable shield 3 that arranges of cable insulation 2, cable shield 3 turns down backward, is woven into a branch of and draws and form bonding line 12 from cable body 17.The outer stress control layer 4 that arranges of cable shield 3, stress control layer 4 extends to cable insulation 2.The outer extruded insulation layer 5 of stress control layer 4.Outside insulating barrier 5 ends, Stress Control reinforced layer 6 is set and forms cable body 13.
The outer insulating strength layer 7 that arranges of Stress Control reinforced layer 6, insulating strength layer 7 extends to outside insulating barrier 5
Insulating strength layer is installed bonding sleeve pipe 8 outside 7 end.Bonding sleeve pipe 8 extends to cable body 13, and bonding sleeve pipe 8 surrounds the bonding line 12 in described cable body.
The outer installation rigid protective of bonding sleeve pipe 8 heat-shrinkable T bush 9, rigid protective heat-shrinkable T bush 9 extends to insulating strength layer 7.The outer extruded insulation protective jacket 10 of rigid protective heat-shrinkable T bush 9.The material of rigid protective heat-shrinkable T bush 9 is high density polyethylene (HDPE)s.
Cable insulation 2 is flexible insulator insulating barrier.Stress control layer 4, insulating barrier 5, Stress Control reinforced layer 6, insulating strength layer 7 are heat-shrinkable T bush.
As shown in Figure 2, above-mentioned thermal shrinkage type flexible cable terminal fitting is also provided with cluster parachute parts, and No. 1 full skirt 14 to N full skirt 15 are arranged on outside the insulating strength floor of cable body and outside insulating sheath.
The periphery of the Stress Control key position of cable termination has increased by one section of rigidity heat-shrinkable T bush that high-density polyethylene material is made, shrinking cooling rear hardening becomes just, there is the very strong effect that rigidly fixes, form firm rigid structure at cable termination afterbody, thereby make each layer of heat-shrinkable T bush of the Stress Control key position of cable termination be unlikely to come off under external force, be shifted or be out of shape after contraction moulding, ensure stability and the reliability of cable termination under long-term jerk and long term high temperature ruuning situation.
The effect of rigid protective sleeve pipe is the key position that is installed on the control of cable termination bottom stress, forms firm rigid protective structure in cable termination internal structure.
Increase rigid protective heat-shrinkable T bush in the periphery of cable termination afterbody, made the fixing, straight of stress control tube and cable shield fracture overlap, guaranteed stability and the reliability at the inner crucial Stress Control position of cable termination.
Cable body is flexible cable, and cable insulation is flexible insulator, and stress control layer, insulating barrier, Stress Control reinforced layer, insulating strength layer are heat-shrinkable T bush, ensures that cable termination agent structure has certain flexibility.Cable termination body part adopts flexible internal structure, ensures that cable termination can carry out certain bending and install, and ensures operation safe and reliable under long-term severe environmental conditions.
According to different creepage distance requirements, can on cable termination body, increase easily full skirt parts, adjust the creepage distance of cable termination by demand.
The utility model is middle high-pressure cable end required cable accessory products while being connected with power consumption equipment, and this product is mainly used in middle high-pressure regulator cubicle, and for the connection of cable and electric equipment, joint itself can carry out certain bending and install.
Claims (3)
1. a thermal shrinkage type flexible cable terminal fitting, comprise cable body, insulating strength layer, bonding sleeve pipe, copper connector, cable body comprises cable conductor, cable insulation, cable shield, stress control layer, insulating barrier, Stress Control reinforced layer, packaged cable insulating barrier on cable conductor, cable insulation arranges cable shield outward, cable shield turns down backward, be woven into a branch of and draw and form bonding line from cable body, cable shield arranges stress control layer outward, stress control layer extends to described cable insulation, the outer extruded insulation layer of stress control layer, insulating barrier outer end arranges Stress Control reinforced layer, Stress Control reinforced layer arranges insulating strength layer outward, insulating strength layer extends to outside described insulating barrier, insulating strength layer end arranges bonding sleeve pipe, bonding sleeve pipe extends to cable body, bonding sleeve pipe surrounds the bonding line in described cable body, copper connector is pressed on cable conductor end, it is characterized in that, described bonding sleeve pipe is provided with rigid protective heat-shrinkable T bush outward, and rigid protective heat-shrinkable T bush extends to outside described insulating strength layer, rigid protective heat-shrinkable T bush ambient stress control reinforced layer, and rigid protective heat-shrinkable T bush is provided with insulating sheath outward.
2. thermal shrinkage type flexible cable terminal fitting according to claim 1, is characterized in that, described cable insulation is flexible insulator insulating barrier, and described stress control layer, insulating barrier, Stress Control reinforced layer, insulating strength layer are heat-shrinkable T bush.
3. thermal shrinkage type flexible cable terminal fitting according to claim 1, is characterized in that, is provided with cluster parachute parts, and full skirt parts are arranged on outside the outer and insulating sheath of the insulating strength layer of cable body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784118.9U CN203660488U (en) | 2013-12-04 | 2013-12-04 | Heat-shrinkable-type flexible cable terminal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784118.9U CN203660488U (en) | 2013-12-04 | 2013-12-04 | Heat-shrinkable-type flexible cable terminal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660488U true CN203660488U (en) | 2014-06-18 |
Family
ID=50926842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320784118.9U Expired - Lifetime CN203660488U (en) | 2013-12-04 | 2013-12-04 | Heat-shrinkable-type flexible cable terminal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994536A (en) * | 2018-01-05 | 2018-05-04 | 长园电子（东莞）有限公司 | A kind of electric railway 27.5kV pyrocondensation tags and preparation method thereof |
| CN108033028A (en) * | 2017-12-04 | 2018-05-15 | 惠阳航空螺旋桨有限责任公司 | A kind of wire protecting structure between helicopter hub and paddle shaft |
| CN113471923A (en) * | 2021-05-26 | 2021-10-01 | 中科英华长春高技术有限公司 | 27.5kV semi-rigid thermal shrinkage cable terminal for high-speed rail |
-
2013
- 2013-12-04 CN CN201320784118.9U patent/CN203660488U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033028A (en) * | 2017-12-04 | 2018-05-15 | 惠阳航空螺旋桨有限责任公司 | A kind of wire protecting structure between helicopter hub and paddle shaft |
| CN107994536A (en) * | 2018-01-05 | 2018-05-04 | 长园电子（东莞）有限公司 | A kind of electric railway 27.5kV pyrocondensation tags and preparation method thereof |
| CN113471923A (en) * | 2021-05-26 | 2021-10-01 | 中科英华长春高技术有限公司 | 27.5kV semi-rigid thermal shrinkage cable terminal for high-speed rail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201523206U (en) | Cable terminal head for rail traction power system cable terminal head | |
| CN203660488U (en) | Heat-shrinkable-type flexible cable terminal joint | |
| CN207426656U (en) | A kind of high-voltage cable middle joint | |
| CN202817443U (en) | Electric automobile high-voltage wire harness | |
| CN105913966A (en) | Cross-linked-polyethylene insulating optical-fiber composite three-core submarine power cable | |
| JP4768516B2 (en) | Power cable connection | |
| CN101640403A (en) | Cable insulated joint | |
| CN204967216U (en) | Power cable intermediate head sealing device | |
| CN202949202U (en) | Main body of intermediate connector of cross-linked cable and novel intermediate connector formed by same | |
| CN201222643Y (en) | Inner waterproofing type middle, low-voltage crosslinked polyetylene insulated cable shrinking straight joint | |
| CN102262937A (en) | Rubber jacketed flexible cable for coal mine frequency conversion device | |
| CN103762542A (en) | Copper shell of cable intermediate joint | |
| CN203377009U (en) | Three-core composite cable prepared from polymer insulating material | |
| CN103762541A (en) | Copper shell for cable connector | |
| CN201364759Y (en) | 35KV metal tube bus insulated and shielded by vulcanized silicon rubber | |
| CN214479531U (en) | High-voltage shielding cable for new energy automobile | |
| CN203895944U (en) | Cable intermediate connector | |
| CN104078915A (en) | Cable middle connector and connecting method thereof | |
| CN203398736U (en) | Cross-linked cable intermediate joint protection casing | |
| CN203689984U (en) | Electric power communication composite cable used for petrochemical industry | |
| CN202444235U (en) | High-voltage extra-high-voltage submarine cable soft joint | |
| CN205789282U (en) | A kind of crosslinked polyetylene insulated Optical Fiber Composite three core sea electric power cable | |
| CN106134497B (en) | The encapsulating method of a kind of suit electricity umbilical cable and electric connector | |
| CN207250199U (en) | A kind of cable of buried anticorrosion against shock | |
| CN219105802U (en) | Wire harness structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |