CN118380193B - High-temperature-resistant cable - Google Patents
High-temperature-resistant cable Download PDFInfo
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- CN118380193B CN118380193B CN202410806175.5A CN202410806175A CN118380193B CN 118380193 B CN118380193 B CN 118380193B CN 202410806175 A CN202410806175 A CN 202410806175A CN 118380193 B CN118380193 B CN 118380193B
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- clamping
- limiting
- cable
- arc
- sleeve
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 16
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of cables, in particular to a high-temperature-resistant cable which comprises two cable bodies which are symmetrically distributed from inside to outside, wherein each cable body consists of a copper conductor, an insulating layer, an inner liner layer, a steel wire armor and an outer sheath. When the existing method is used for connecting two cables, conductors of the two cables are respectively connected with the male connector and the female connector, then an electric insulating tape or a heat shrinkage tube is used for insulating the connecting part, and then the male connector and the female connector are connected, so that the connecting speed is high, but the two cables are connected by adopting the male connector and the female connector, the connecting strength is low, and separation easily occurs in the traction process. The connecting sleeve is matched with the clamping mechanisms, so that the insulating layer, the inner liner layer, the steel wire armor and the outer sheath in the cable body can be clamped and limited simultaneously, the function of multi-layer clamping of the cable body is realized, and the connecting strength of the two cable bodies is improved.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-temperature-resistant cable.
Background
The high-temperature-resistant cable is a cable capable of normally working in a high-temperature environment, is generally used for industrial equipment, furnace smelting, heat treatment equipment, petrochemical industry and other application scenes in the high-temperature environment, plays an important role in the fields of petrochemical industry, metallurgy, thermoelectricity and the like, and is required to have the characteristics of high temperature resistance, heat resistance, ageing resistance, flame retardance and the like.
When the high-temperature-resistant cable is used, the connection of a plurality of high-temperature-resistant cables is carried out according to the length required to be paved so as to meet the requirement of paving. When the existing method is adopted to connect two cables, firstly, a wire stripper or a wire stripping tool is used to strip the outer insulation layer of the cables to expose the conductors inside, then the conductors of the two cables are respectively connected with the male and female connectors, then, an electric insulation tape or a heat shrinkage tube is used to insulate the connection part, firm connection and good insulation are ensured, afterwards, the male and female connectors are connected, and a proper tool is used to test the connection part, so that whether the connection is good or not is confirmed, and firm connection is ensured.
However, in the method, the two cables are connected by the male connector and the female connector, the connection strength is low, the male connector and the female connector are easy to separate in the traction process, and relative sliding is easy to occur between the insulating layer and the conductor at the connection part of the cables and the male connector, so that the insulating layer is separated from the male connector and the female connector, and the connection strength of the two cables is further reduced.
Disclosure of Invention
Based on this, it is necessary to provide a high temperature resistant cable, which aims to solve the problem generated when the high temperature resistant cable is connected in the prior art.
In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: a high temperature resistant cable comprising: the cable comprises two cable bodies which are distributed in a bilateral symmetry mode, wherein the cable bodies are composed of copper conductors, an insulating layer, an inner liner, steel wire armors and an outer sheath from inside to outside, and distances from the end parts of the insulating layer, the inner liner, the steel wire armors and the outer sheath to the end parts of the copper conductors are sequentially increased.
The connecting device is connected between two cable body ends, the connecting device is including the cover establish two the cylinder cover of cable body end, the annular slab is all installed at the left and right sides both ends of cylinder cover, and the annular slab is kept away from the one end of cylinder cover and is installed multiunit clamping group from inside to outside, and multiunit clamping group's size increases gradually from inside to outside, the clamping group comprises a plurality of circumference evenly distributed's fixture, cylinder cover surface bilateral symmetry cover is equipped with two adapter sleeves.
The limiting device is provided with two cable bodies and is sleeved on the two cable bodies in bilateral symmetry respectively, the limiting device comprises a stepped limiting ring sleeved on the cable bodies, a plurality of inserting openings which are uniformly distributed in the circumferential direction are formed in one end, close to the cylindrical sleeve, of the stepped limiting ring, a plurality of arc counter bores which are uniformly distributed in the circumferential direction and are right trapezoid in cross section are formed in the inner annular surface of the middle section of the stepped limiting ring, and a clamping mechanism is connected in the arc counter bores in a sliding mode.
According to the embodiment of the invention, the connecting device further comprises a supporting ring plate arranged in the middle of the outer ring surface of the cylindrical sleeve, the outer ring surface of the supporting ring plate is provided with a circular sleeve, and the outer ring surface of the circular sleeve is connected with a jacking mechanism.
According to the embodiment of the invention, the clamping mechanism comprises an arc plate arranged on the annular plate, a clamping hole is formed in the position, far away from the annular plate, of the intrados of the arc plate, a limiting arc plate is arranged in the clamping hole, the middle part of the limiting arc plate is vertically and slidably connected with a pushing block, one end, close to the cable body, of the pushing block is provided with the clamping arc plate, connecting springs are jointly arranged between the clamping arc plate and the limiting arc plate, a plurality of uniformly distributed limiting teeth are arranged on the intrados of the clamping arc plate, and a pushing rod which penetrates through the annular plate and the wall of the clamping hole in a sliding mode is arranged on one side, close to the annular plate, of the pushing block.
According to the embodiment of the invention, the propping mechanism comprises a placing counter bore arranged on the outer annular surface of the annular sleeve, a limiting U rod with an opening facing the cylindrical sleeve is inserted into the bottom wall of the placing counter bore, a limiting screw rod is connected with the middle section of the limiting U rod in a threaded manner, and the limiting screw rod is connected with the bottom wall of the placing counter bore in a threaded manner.
According to the embodiment of the invention, the clamping mechanism comprises a clamping arc plate which is slidably connected in the arc counter bore, the section of the clamping arc plate is in a right trapezoid shape, a lower pressing block is arranged on the outer cambered surface of the clamping arc plate and slidably penetrates through the middle section of the step limiting ring, a slope is arranged at one end of the lower pressing block, which is far away from the clamping arc plate, and an auxiliary spring is jointly arranged between the outer cambered surface of the clamping arc plate and the arc counter bore.
According to the embodiment of the invention, a first inclined surface is arranged at one end of the pushing block, which is far away from the clamping arc plate, and a second inclined surface is arranged at one end of the pushing rod, which is close to the pushing block, and the first inclined surface and the second inclined surface are mutually matched.
According to the embodiment of the invention, the annular wall of the connecting sleeve is provided with the glue injection through hole, and the connecting glue is injected between the connecting sleeve and the cable body.
In summary, the invention has the following beneficial technical effects: 1. the connecting sleeve is matched with the clamping mechanisms, so that the insulating layer, the inner liner layer, the steel wire armor and the outer sheath in the cable body can be clamped and limited simultaneously, the function of multi-level clamping of the cable body is realized, and the connecting strength of the two cable bodies is improved.
2. The adapter sleeve that adopts cooperates with a plurality of fixture, can press from both sides tightly insulating layer, inner liner, steel wire armor and the oversheath in this internal insulating layer of cable, insulating layer, inner liner, steel wire armor and oversheath appearance relative slip of avoiding this internal copper conductor of cable, insulating layer, inner liner, steel wire armor and oversheath, ensure that the copper conductor is protected all the time.
3. The connecting device and the limiting device are matched, so that the connecting strength of the connecting device and the limiting device on the cable body can be increased simultaneously, and the connecting strength of the two cable bodies is further improved.
4. The connecting device is internally injected with high-temperature-resistant connecting glue, the connecting glue increases the connecting strength of the connecting device and the cable body again, and the high-temperature resistance of the connecting position is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic perspective view of a high temperature resistant cable according to an embodiment of the present invention.
Fig. 2 shows a front view of a high temperature resistant cable provided according to an embodiment of the present invention.
Fig. 3 shows a left side view of a high temperature resistant cable provided in accordance with an embodiment of the present invention.
Figure 4 shows a cross-sectional view of A-A in figure 3.
Fig. 5 shows an enlarged view of the N region in fig. 4.
Fig. 6 shows a schematic structural view of a cylindrical sleeve, an annular plate and a clamping mechanism of the high temperature resistant cable provided according to an embodiment of the present invention.
Wherein the above figures include the following reference numerals: 1. a cable body; 2. a connecting device; 21. a cylindrical sleeve; 22. an annular plate; 23. a clamping mechanism; 231. an arc-shaped plate; 232. a clamping hole; 233. limiting arc plates; 234. pushing the block; 235. clamping the arc plate; 236. a connecting spring; 237. pushing the rod; 24. connecting sleeves; 241. a glue injection through hole; 25. a support ring plate; 26. a circular ring sleeve; 27. a jacking mechanism; 271. placing a counter bore; 272. a limit U rod; 273. a limit screw; 3. a limiting device; 31. a step limiting ring; 32. a plug opening; 33. a clamping mechanism; 331. clamping the arc plate; 332. pressing the block; 333. an auxiliary spring.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a high temperature resistant cable comprises two cable bodies 1 which are distributed symmetrically left and right, wherein the cable bodies 1 are composed of copper conductors, an insulating layer, an inner liner layer, steel wire armors and an outer sheath from inside to outside, and distances from the end parts of the insulating layer, the inner liner layer, the steel wire armors and the outer sheath to the end parts of the copper conductors are sequentially increased.
Referring to fig. 1, 4 and 6, the high temperature resistant cable further comprises a connecting device 2, the connecting device 2 is connected between two ends of the cable body 1, the connecting device 2 comprises a cylindrical sleeve 21 sleeved on two ends of the cable body 1, annular plates 22 are mounted at left and right ends of the cylindrical sleeve 21, a plurality of groups of clamping groups are mounted at one end, far away from the cylindrical sleeve 21, of the annular plates 22 from inside to outside, the sizes of the plurality of groups of clamping groups gradually increase from inside to outside, the clamping groups are composed of a plurality of clamping mechanisms 23 which are uniformly distributed in the circumferential direction, and two connecting sleeves 24 are symmetrically sleeved on the left and right of the outer surface of the cylindrical sleeve 21.
Referring to fig. 1, 4 and 5, the high temperature resistant cable further comprises a limiting device 3, the limiting device 3 is provided with two cable bodies 1 and sleeved on the two cable bodies 1 in bilateral symmetry, the limiting device 3 comprises a stepped limiting ring 31 sleeved on the cable bodies 1, a plurality of inserting openings 32 which are uniformly distributed in the circumferential direction are formed in one end, close to the cylindrical sleeve 21, of the stepped limiting ring 31, a plurality of arc counter bores which are uniformly distributed in the circumferential direction and are right trapezoid in cross section are formed in the inner annular surface of the middle section of the stepped limiting ring 31, and a clamping mechanism 33 is connected in the arc counter bores in a sliding mode.
During specific work, two cable bodies 1 are respectively clamped through existing clamping equipment, the connecting ends of the two cable bodies 1 are guaranteed to be at the same horizontal height, then two step limiting rings 31 are respectively sleeved on the two cable bodies 1 from the connecting ends of the two cable bodies 1, then a cylindrical sleeve 21 is sleeved on copper conductors of the two cable bodies 1, the connecting ends of the two cable bodies 1 are driven to be close to each other and clung to each other through the two clamping equipment, and at the moment, the copper conductor ends of the two cable bodies 1 are clung to each other.
Referring to fig. 4-6, the clamping mechanism 23 includes an arc plate 231 mounted on the annular plate 22, a clamping hole 232 is formed in a position, away from the annular plate 22, of an intrados surface of the arc plate 231, a limiting arc plate 233 is mounted in the clamping hole 232, a pushing block 234 is vertically slidably connected in the middle of the limiting arc plate 233, a clamping arc plate 235 is mounted at one end, close to the cable body 1, of the pushing block 234, a connecting spring 236 is mounted between the clamping arc plate 235 and the limiting arc plate 233, a plurality of uniformly distributed limiting teeth are disposed on the intrados surface of the clamping arc plate 235, and a pushing rod 237 slidably penetrating through the annular plate 22 and the wall of the clamping hole 232 is disposed on one side, close to the annular plate 22, of the pushing block 234.
Referring to fig. 5, a first inclined surface is disposed at an end of the pushing block 234 away from the clamping arc plate 235, and a second inclined surface is disposed at an end of the pushing rod 237 adjacent to the pushing block 234, and the first inclined surface and the second inclined surface are mutually matched.
During specific work, after two cable bodies 1 are spliced in the cylindrical sleeve 21, two ladder limiting rings 31 are pushed towards the direction of the cylindrical sleeve 21 respectively, a plurality of splicing openings 32 on the ladder limiting rings 31 are matched with a plurality of corresponding arc plates 231 in a splicing way on the outermost sides, then the two ladder limiting rings 31 are clamped through existing clamping equipment, movement after position adjustment of the ladder limiting rings 31 is avoided, then two connecting sleeves 24 are pushed in sequence, the connecting sleeves 24 move towards the direction of the ladder limiting rings 31, the opening ends of the connecting sleeves 24 are in threaded connection with the ladder limiting rings 31 after being contacted, the vertical sections of the connecting sleeves 24 push a plurality of pushing rods 237 distributed in a plurality of groups in a ring mode, the pushing rods 237 are stressed to drive a second inclined plane to push a first inclined plane on the pushing blocks 234, the pushing blocks 234 drive clamping arc plates 235 to move towards the direction of the cable body 1, the innermost side a plurality of clamping arc plates 235 sequentially clamp insulating layers, inner liners, steel wire armor and outer jackets, the function of clamping the cable body 1 is achieved, and the strength of the copper inner liners, the steel wire armor and the cable body is guaranteed to be connected with the insulating layer, the strength of the cable body is improved, the strength of the cable body is guaranteed, and the strength of the cable body is guaranteed to be connected with the insulating layer, and the cable body is guaranteed to be connected with the insulating layer 1.
Referring to fig. 4 and 5, the clamping mechanism 33 includes a clamping arc plate 331 slidably connected in the arc-shaped counterbore, the cross section of the clamping arc plate 331 is in a right trapezoid shape, the outer arc surface of the clamping arc plate 331 is provided with a lower pressing block 332, the lower pressing block 332 slidably penetrates through the middle section of the step limiting ring 31, one end of the lower pressing block 332, which is far away from the clamping arc plate 331, is provided with a slope, and an auxiliary spring 333 is commonly installed between the outer arc surface of the clamping arc plate 331 and the arc-shaped counterbore.
During specific work, there is less space between lower briquetting 332 and ladder spacing ring 31, when adapter sleeve 24 open end and ladder spacing ring 31 contact, adapter sleeve 24 pushes the domatic of a plurality of briquetting 332 down, a plurality of briquetting 332 atress drive a plurality of clamp arc plates 331 and to cable body 1 direction removal and press from both sides tightly to cable body 1, thereby fix ladder spacing ring 31 on cable body 1, a plurality of clamp arc plates 331 and a plurality of clamp arc plates 235 use simultaneously and ladder spacing ring 31 and adapter sleeve 24 threaded connection, not only increased the intensity that ladder spacing ring 31 was fixed on cable body 1, also increased the intensity that a plurality of arc plates 231 are connected with cable body 1, further improve the intensity that two cable bodies 1 are connected, the cross-section is right trapezoid's clamp arc plates 331 and arc counter bore cooperation when cable body 1 receives the traction, the arc counter bore pore wall pushes away the inclined plane of clamp arc plates 331 for clamp arc plates 331 continue to strengthen the intensity to clamp cable body 1, avoid appearing relative slip between clamp arc plates 331 and the cable body 1.
Referring to fig. 1 and 4, the connecting device 2 further includes a supporting ring plate 25 mounted in the middle of the outer ring surface of the cylindrical sleeve 21, the outer ring surface of the supporting ring plate 25 is provided with a circular sleeve 26, and the outer ring surface of the circular sleeve 26 is connected with a tightening mechanism 27.
Referring to fig. 1 and 4, the tightening mechanism 27 includes a positioning counterbore 271 formed on an outer annular surface of the annular sleeve 26, a positioning U rod 272 with an opening facing the cylindrical sleeve 21 is inserted into a bottom wall of the positioning counterbore 271, a middle section of the positioning U rod 272 is in threaded connection with a positioning screw 273, and the positioning screw 273 is in threaded connection with a bottom wall of the positioning counterbore 271.
During specific work, the two connecting sleeves 24 rotate in the annular sleeve 26, the annular sleeve 26 is matched with the cylindrical sleeve 21, the function of guiding movement of the connecting sleeves 24 is achieved, after the two connecting sleeves 24 are respectively connected with the two step limiting rings 31, high-temperature-resistant glue is injected into the annular sleeve 26 through the insertion position of the bottom wall of the placing counter bore 271 and the limiting U rod 272, the high-temperature-resistant glue protects the cylindrical sleeve 21 in a heat insulation mode, then under the condition that the glue is not solidified, the opening end of the limiting U rod 272 is manually inserted into the annular sleeve 26 in a penetrating mode, two vertical sections of the limiting U rod 272 are respectively clung to the vertical sections of the two connecting sleeves 24, the function of limiting the rotation of the connecting sleeves 24 is achieved, the rotation of the connecting sleeves 24 is avoided in the laying or moving process of the cable body 1, the two connected cable bodies 1 are prevented from being separated, the limiting screw 273 is then connected to the limiting U rod 272 and is continuously connected to the bottom wall of the placing counter bore 272, and therefore the limiting U rod 272 is limited.
Referring to fig. 1, the annular wall of the connecting sleeve 24 is provided with a glue injection through hole 241, and a connecting glue is injected between the connecting sleeve 24 and the cable body 1.
During specific work, after the limiting U rod 272 is fixedly installed, high-temperature-resistant connecting glue is respectively injected into the two connecting sleeves 24 through the two glue injection through holes 241 in a manual or mechanical mode, then the connecting glue is waited to be cooled and solidified, the connecting strength of the connecting sleeves 24 connected with the cable bodies 1 is increased again by the injected connecting glue, and therefore the connecting strength of the two cable bodies 1 is increased again.
In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., are based on those shown in the drawings, are merely for convenience of describing the embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (3)
1. The utility model provides a high temperature resistant cable, includes two cable body (1) of bilateral symmetry distribution, cable body (1) are from inside to outside by copper conductor, insulating layer, inner liner, steel wire armor and oversheath constitute, its characterized in that: the distances from the end parts of the insulating layer, the inner liner layer, the steel wire armor and the outer sheath to the end parts of the copper conductor are sequentially increased;
The connecting device (2) is connected between the two ends of the cable body (1), the connecting device (2) comprises a cylindrical sleeve (21) sleeved at the two ends of the cable body (1), annular plates (22) are arranged at the left end and the right end of the cylindrical sleeve (21), a plurality of groups of clamping groups are arranged at one end, far away from the cylindrical sleeve (21), of each annular plate (22) from inside to outside, the sizes of the groups of clamping groups are gradually increased from inside to outside, each clamping group consists of a plurality of clamping mechanisms (23) which are uniformly distributed in the circumferential direction, and two connecting sleeves (24) are symmetrically sleeved on the left and right surfaces of the cylindrical sleeve (21);
the limiting device (3) is provided with two cable bodies (1) which are sleeved on the two cable bodies (1) in bilateral symmetry, the limiting device (3) comprises a step limiting ring (31) sleeved on the cable bodies (1), one end, close to the cylinder sleeve (21), of the step limiting ring (31) is provided with a plurality of inserting openings (32) which are uniformly distributed in the circumferential direction, the inner ring surface of the middle section of the step limiting ring (31) is provided with a plurality of arc counter bores which are uniformly distributed in the circumferential direction and the cross section of which is in a right trapezoid shape, and a clamping mechanism (33) is connected in the arc counter bores in a sliding mode;
The connecting device (2) further comprises a supporting ring plate (25) arranged in the middle of the outer ring surface of the cylinder sleeve (21), a circular ring sleeve (26) is arranged on the outer ring surface of the supporting ring plate (25), and a jacking mechanism (27) is connected with the outer ring surface of the circular ring sleeve (26);
The clamping mechanism (23) comprises an arc plate (231) arranged on the annular plate (22), a clamping hole (232) is formed in the position, away from the annular plate (22), of the inner cambered surface of the arc plate (231), a limiting arc plate (233) is arranged in the clamping hole (232), a pushing block (234) is vertically and slidably connected in the middle of the limiting arc plate (233), a clamping arc plate (235) is arranged at one end, close to the cable body (1), of the pushing block (234), a connecting spring (236) is jointly arranged between the clamping arc plate (235) and the limiting arc plate (233), a plurality of uniformly distributed limiting teeth are arranged on the inner cambered surface of the clamping arc plate (235), and a pushing rod (237) which penetrates through the annular plate (22) and the wall of the clamping hole (232) in a sliding mode is arranged on one side, close to the annular plate (22), of the pushing block (234);
The jacking mechanism (27) comprises a placing counter bore (271) arranged on the outer annular surface of the annular sleeve (26), a limiting U rod (272) with an opening facing the cylindrical sleeve (21) is inserted into the bottom wall of the placing counter bore (271), a limiting screw rod (273) is connected with the middle section of the limiting U rod (272) in a threaded manner, and the limiting screw rod (273) is connected with the bottom wall of the placing counter bore (271) in a threaded manner;
Clamping mechanism (33) are in including sliding connection clamping arc board (331) in the arc counter bore, clamping arc board (331) cross-section is right trapezoid, clamping arc board (331) outer cambered surface installs down briquetting (332), and lower briquetting (332) slip runs through ladder spacing ring (31) interlude, and the one end that clamping arc board (331) was kept away from to briquetting (332) down is provided with domatic, installs auxiliary spring (333) jointly between clamping arc board (331) outer cambered surface and the arc counter bore.
2. A high temperature resistant cable according to claim 1, wherein: the one end that the extrusion piece (234) kept away from centre gripping arc board (235) is provided with first inclined plane, the one end that extrusion pole (237) is close to extrusion piece (234) is provided with the second inclined plane, first inclined plane with the second inclined plane mutually support.
3. A high temperature resistant cable according to claim 1, wherein: glue injection through holes (241) are formed in the annular wall of the connecting sleeve (24), and connecting glue is injected between the connecting sleeve (24) and the cable body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410806175.5A CN118380193B (en) | 2024-06-21 | 2024-06-21 | High-temperature-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410806175.5A CN118380193B (en) | 2024-06-21 | 2024-06-21 | High-temperature-resistant cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118380193A CN118380193A (en) | 2024-07-23 |
| CN118380193B true CN118380193B (en) | 2024-08-30 |
Family
ID=91902142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410806175.5A Active CN118380193B (en) | 2024-06-21 | 2024-06-21 | High-temperature-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118380193B (en) |
Citations (1)
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| DE102015203489A1 (en) * | 2015-02-26 | 2016-09-01 | Te Connectivity Germany Gmbh | Electrical connector with cable clamping device |
| CN111720268B (en) * | 2019-03-20 | 2023-03-24 | 北京金风科创风电设备有限公司 | Tower section of thick bamboo, pylon and wind generating set |
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