CN117335210B - Flame-retardant power cable - Google Patents
Flame-retardant power cable Download PDFInfo
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- CN117335210B CN117335210B CN202311309945.7A CN202311309945A CN117335210B CN 117335210 B CN117335210 B CN 117335210B CN 202311309945 A CN202311309945 A CN 202311309945A CN 117335210 B CN117335210 B CN 117335210B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 53
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 95
- 239000011241 protective layer Substances 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Classifications
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- 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 power cables and discloses a flame-retardant power cable which comprises a first cable component, a second cable component and a connector, wherein the first cable component is connected with the second cable component through the connector; the cable fixing device comprises a cable fixing device, and is characterized by further comprising a limiting component, wherein the limiting component is arranged on the circumferential surface of the first fixing component, and the first fixing component is connected with the limiting component through a reinforcing component.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a flame-retardant power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under the river-crossing sea water, wherein the proportion of the cable in the power lines is gradually increasing, the power cable is a cable product for transmitting and distributing high-power electric energy in a main line of a power system, and the flame-retardant cable refers to a cable which is used for automatically extinguishing flame or residual flame within a limited time after a test fire source is removed and a sample is burnt under a specified test condition.
However, when the existing flame-retardant power cable is in butt joint, a worker is usually required to connect two cables together by using a connector, and because the two cables are in butt joint only by using the connector in the butt joint process, the firmness is poor and cannot bear excessive tension, so that the butt joint position of the cable is easily disconnected, and the cable cannot be normally transmitted and used, and therefore, the flame-retardant power cable needs to be designed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a flame-retardant power cable, which solves the problems that when the existing flame-retardant power cable is connected, a worker is usually required to connect two cables together by using a connector, the firmness of the two cables is poor in the butt joint process, and the cables cannot bear excessive tension, so that poor contact is caused.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the first cable component is connected with the second cable component through the connector, a first fixing component is arranged on the circumferential surface of the first cable component, a second fixing component is arranged on the circumferential surface of the second cable component, reinforcing components are arranged on the circumferential surfaces of the first fixing component and the second fixing component, and the first fixing component is connected with the second fixing component through the reinforcing components; the novel reinforced concrete joint is characterized by further comprising a limiting assembly, wherein the limiting assembly is arranged on the circumferential surface of the first fixing assembly, and the first fixing assembly is connected with the limiting assembly through a reinforcing assembly.
Further, first cable subassembly includes first protective layer, first bellows layer, first parcel layer, first fire-retardant layer, first insulating layer and first cable core, inside first bellows layer that is provided with of first protective layer, inside first parcel layer that is provided with of first bellows layer, inside first fire-retardant layer that is provided with of first parcel layer, the inside cavity that is provided with of first fire-retardant layer, the inside fire retardant that is provided with of cavity, the inside first insulating layer that is provided with of first fire-retardant layer, the inside first cable core that is provided with of first insulating layer, the tip and the connector fixed connection of first cable core.
Further, the second cable assembly includes second protective layer, second bellows layer, second parcel layer, the fire-retardant layer of second, second insulating layer and second cable core, the inside second bellows layer that is provided with of second protective layer, the inside second parcel layer that is provided with of second bellows layer, the inside fire-retardant layer of second that is provided with of second parcel layer, the inside cavity that also is provided with of fire-retardant layer of second, the inside fire-retardant agent that has filled of cavity, the inside second insulating layer that is provided with of fire-retardant layer of second, the inside second cable core that is provided with of second insulating layer, the tip and the connector fixed connection of second cable core.
Further, first fixed subassembly includes first grip block, second grip block, first bolt and first rubber pad, first protective layer periphery is provided with first grip block and second grip block, first grip block passes through the hinge and rotates with the second grip block to be connected, first grip block and second grip block keep away from the one end of hinge and pass through first bolt fixed connection, the equal fixedly connected with first rubber pad of interior cambered surface of first grip block and second grip block, first rubber pad closely laminates with first protective layer.
Further, the second fixed subassembly includes third grip block, fourth grip block, second bolt and second rubber pad, second protective layer periphery is provided with third grip block and fourth grip block, the third grip block passes through the hinge and rotates with the fourth grip block to be connected, the one end that the hinge was kept away from to third grip block and fourth grip block passes through second bolt fixed connection, the equal fixedly connected with second rubber pad of the interior cambered surface of third grip block and fourth grip block, the second rubber pad closely laminates with the second protective layer.
Further, the reinforcing component comprises a rotating seat, a threaded rod, a connecting plate, a U-shaped hole and a nut, wherein the rotating seat is fixedly connected with the outer arc surfaces of the third clamping plate and the fourth clamping plate, and the threaded rod is rotatably connected inside the rotating seat; the U-shaped hole is formed in the lateral end face of the connecting plate, the threaded rod is located inside the U-shaped hole, and the nut is connected to the circumferential surface of the threaded rod in a threaded mode.
Further, spacing subassembly is including removing seat, slider, card hole and spring, the slide hole has been seted up to connecting plate side terminal surface, the inside sliding connection of slide hole has the slider, slider both ends fixedly connected with removes the seat, remove sliding connection between seat and the connecting plate, remove the seat side terminal surface and seted up the card hole, card hole and threaded rod cooperation, the inside spring that is provided with of slide hole, spring one end and slider fixed connection, the spring other end and slide hole inner wall fixed connection.
Further, remove seat both sides fixedly connected with auxiliary rod, the auxiliary rod is provided with two, and the symmetric distribution is in removing seat both sides.
Further, the limiting groove is formed in the inner wall of the movable seat, a limiting strip is connected inside the limiting groove in a sliding mode, and the limiting strip is fixedly connected with the connecting plate.
(III) beneficial effects
The invention provides a flame-retardant power cable. The beneficial effects are as follows:
1. this fire-retardant power cable, through setting up first fixed subassembly, second fixed subassembly, strengthen subassembly and connector, utilize the connector to link together first cable subassembly and second cable subassembly, then just can consolidate the link of two cables under the cooperation of first fixed subassembly, second fixed subassembly and strengthening the subassembly again for the link of two cables is more firm, and the cable just is difficult to break from two cable butt joint positions when carrying out too big pulling force like this, is favorable to the cable stable to carry the electric energy.
2. This fire-retardant power cable, through removing seat, slider, card hole and spring, after the threaded rod enters into U type hole inside, remove the seat at this moment and reset at the spring to can advance the threaded rod card into the card hole inside of removing the seat, just so can prevent that the threaded rod from breaking away from U type hole inside, be favorable to promoting the stability when strengthening the subassembly and connect.
Drawings
FIG. 1 is a schematic view of a first view of the present invention;
FIG. 2 is a schematic diagram of a second view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the present invention after the moving seat is disassembled;
FIG. 6 is an enlarged view of portion C of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the internal structure of the present invention;
FIG. 8 is an enlarged view of portion D of FIG. 7 in accordance with the present invention;
fig. 9 is an enlarged view of portion E of fig. 7 in accordance with the present invention.
In the figure: 1. a first cable assembly; 101. a first protective layer; 102. a first bellows layer; 103. a first wrapping layer; 104. a first flame retardant layer; 105. a first insulating layer; 106. a first cable core; 2. a second cable assembly; 201. a second protective layer; 202. a second bellows layer; 203. a second wrapping layer; 204. a second flame retardant layer; 205. a second insulating layer; 206. a second cable core; 3. a first fixing assembly; 301. a first clamping plate; 302. a second clamping plate; 303. a first bolt; 304. a first rubber pad; 4. a reinforcement assembly; 401. a rotating seat; 402. a threaded rod; 403. a connecting plate; 404. a U-shaped hole; 405. a nut; 5. a connector; 6. a second fixing assembly; 601. a third clamping plate; 602. a fourth clamping plate; 603. a second bolt; 604. a second rubber pad; 7. a limit component; 701. a movable seat; 702. a slide block; 703. a clamping hole; 704. a spring; 8. a slide hole; 9. a limit bar; 10. a limit groove; 11. an auxiliary rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a technical scheme that:
example 1
Referring to fig. 1 to 9, a flame retardant power cable includes a first cable assembly 1, a second cable assembly 2 and a connector 5, wherein the first cable assembly 1 is connected with the second cable assembly 2 through the connector 5, a first fixing assembly 3 is arranged on the circumferential surface of the first cable assembly 1, a second fixing assembly 6 is arranged on the circumferential surface of the second cable assembly 2, reinforcing assemblies 4 are arranged on the circumferential surfaces of the first fixing assembly 3 and the second fixing assembly 6, and the first fixing assembly 3 is connected with the second fixing assembly 6 through the reinforcing assemblies 4; still include spacing subassembly 7, first fixed subassembly 3 circumference is provided with spacing subassembly 7, and first fixed subassembly 3 is connected with spacing subassembly 7 through strengthening subassembly 4.
Specifically, utilize connector 5 to link together first cable assembly 1 and second cable assembly 2, then just can consolidate the link of two cables under the cooperation of first fixed subassembly 3, the fixed subassembly of second 6 and reinforcing component 4 again for the link of two cables is more firm, and the cable just is difficult to break from two cable butt joint positions when carrying out too big pulling force like this, is favorable to the stable electric energy that carries of cable, and simultaneously under the cooperation of spacing subassembly 7 again, spacing subassembly 7 can carry out spacingly to reinforcing component 4, thereby promotes the stability when reinforcing component 4 connect.
Example two
Referring to fig. 1 to 8, the first cable assembly 1 includes a first protection layer 101, a first bellows layer 102, a first wrapping layer 103, a first flame retardant layer 104, a first insulation layer 105 and a first cable core 106, wherein the first bellows layer 102 is disposed inside the first protection layer 101, the first wrapping layer 103 is disposed inside the first bellows layer 102, the first flame retardant layer 104 is disposed inside the first wrapping layer 103, a cavity is disposed inside the first flame retardant layer 104, a flame retardant is filled in the cavity, the first insulation layer 105 is disposed inside the first flame retardant layer 104, the first cable core 106 is disposed inside the first insulation layer 105, the end of the first cable core 106 is fixedly connected with the connector 5, and in operation, by disposing the first bellows, strength of a cable can be improved under the action of the first bellows, when the cable burns to the first flame retardant layer 104, cable burning can be effectively prevented under the action of the first flame retardant layer 104, and meanwhile, flame retardant inside the first flame retardant layer 104 can also prevent cable burning from spreading inwards.
Example III
Referring to fig. 1 to 9, the second cable assembly 2 includes a second protection layer 201, a second corrugated tube layer 202, a second wrapping layer 203, a second flame retardant layer 204, a second insulation layer 205 and a second cable core 206, where the second corrugated tube layer 202 is disposed inside the second protection layer 201, the second wrapping layer 203 is disposed inside the second corrugated tube layer 202, the second flame retardant layer 204 is disposed inside the second wrapping layer 203, a cavity is also disposed inside the second flame retardant layer 204, a flame retardant is filled in the cavity, the second insulation layer 205 is disposed inside the second flame retardant layer 204, the second cable core 206 is disposed inside the second insulation layer 205, and an end of the second cable core 206 is fixedly connected with the connector 5.
Example IV
Referring to fig. 1 to 4, the first fixing component 3 includes a first clamping plate 301, a second clamping plate 302, a first bolt 303 and a first rubber pad 304, the first clamping plate 301 and the second clamping plate 302 are disposed on the circumference of the first protection layer 101, the first clamping plate 301 is rotationally connected with the second clamping plate 302 through a hinge, one ends of the first clamping plate 301 and the second clamping plate 302, which are far away from the hinge, are fixedly connected with the first rubber pad 304 through the first bolt 303, the inner arc surfaces of the first clamping plate 301 and the second clamping plate 302 are fixedly connected with the first rubber pad 304, the first rubber pad 304 is tightly attached to the first protection layer 101, the first clamping plate 301 and the second clamping plate 302 are mounted on the first cable component 1 during operation, then the first bolt 303 passes through the first clamping plate 301 and the second clamping plate 302, at this time, the first bolt 303 is screwed again, and the first clamping plate 301 and the second clamping plate 302 can be stably fixed on the first cable component 1 under the cooperation of the first rubber pad 304.
Example five
Referring to fig. 1 to 3, the second fixing component 6 includes a third clamping plate 601, a fourth clamping plate 602, a second bolt 603 and a second rubber pad 604, the third clamping plate 601 and the fourth clamping plate 602 are disposed on the circumference of the second protective layer 201, the third clamping plate 601 is rotationally connected with the fourth clamping plate 602 through a hinge, one ends of the third clamping plate 601 and the fourth clamping plate 602, which are far away from the hinge, are fixedly connected with the second rubber pad 604 through the second bolt 603, the second rubber pad 604 is tightly attached to the second protective layer 201, during operation, the third clamping plate 601 and the fourth clamping plate 602 are mounted on the second cable component 2, then the second bolt 603 passes through the third clamping plate 601 and the fourth clamping plate 602, at this time, the second bolt 603 is screwed, and the third clamping plate 601 and the fourth clamping plate 602 can be stably fixed on the second cable component 2 under the cooperation of the second rubber pad 604.
Example six
Referring to fig. 2 to 9, the reinforcing component 4 includes a rotating seat 401, a threaded rod 402, a connecting plate 403, a U-shaped hole 404 and a nut 405, the outer arc surfaces of the third clamping plate 601 and the fourth clamping plate 602 are fixedly connected with the rotating seat 401, and the threaded rod 402 is rotatably connected inside the rotating seat 401; the equal fixedly connected with connecting plate 403 of arc surface of first grip block 301 and second grip block 302, U type hole 404 has been seted up to connecting plate 403 side terminal surface, threaded rod 402 is located U type hole 404 inside, threaded rod 402 circumference face threaded connection has nut 405, during operation, rotatory threaded rod 402, inside U type hole 404 of connecting plate 403 is overturned threaded rod 402, then screw up nut 405, just can fix threaded rod 402 on connecting plate 403 at this moment, thereby can consolidate the link of two cables, be favorable to the cable stable carry the electric energy.
Example seven
Referring to fig. 1 to 6, the limiting component 7 includes a moving seat 701, a sliding block 702, a clamping hole 703 and a spring 704, a sliding hole 8 is provided on a side end surface of the connecting plate 403, the sliding hole 8 is internally slidably connected with the sliding block 702, two ends of the sliding block 702 are fixedly connected with the moving seat 701, the moving seat 701 is slidably connected with the connecting plate 403, the side end surface of the moving seat 701 is provided with the clamping hole 703, the clamping hole 703 is matched with the threaded rod 402, a spring 704 is provided inside the sliding hole 8, one end of the spring 704 is fixedly connected with the sliding block 702, and the other end of the spring 704 is fixedly connected with an inner wall of the sliding hole 8; the auxiliary rods 11 are fixedly connected to the two sides of the movable seat 701, the two auxiliary rods 11 are symmetrically distributed on the two sides of the movable seat 701, and when the movable seat 701 is operated, the movable seat 701 can be driven to slide on the connecting plate 403 by pulling the auxiliary rods 11, and then the sliding block 702 is driven to move inside the sliding hole 8, at this time, the spring 704 can be compressed along with the movement of the sliding block 702, after the threaded rod 402 enters the U-shaped hole 404, the auxiliary rods 11 are pulled by loosening, and then the movable seat 701 can be driven to reset under the action of the spring 704, so that the threaded rod 402 can be clamped inside the clamping hole 703 of the movable seat 701, and the threaded rod 402 can be prevented from being separated from the U-shaped hole 404, thereby being beneficial to improving the stability of the connection of the reinforcing component 4.
Example eight
Referring to fig. 5 to 6, a limiting groove 10 is formed in the inner wall of the movable seat 701, a limiting bar 9 is slidably connected in the limiting groove 10, and the limiting bar 9 is fixedly connected with the connecting plate 403, so that the movable seat 701 can be limited by setting the limiting groove 10 and the limiting bar 9 during operation, and the movable seat 701 can be moved smoothly.
The working principle of the device is that,
when in use, the third clamping plate 601 and the fourth clamping plate 602 are firstly arranged on the second cable assembly 2, then the second bolt 603 passes through the third clamping plate 601 and the fourth clamping plate 602, at this time, the second bolt 603 is screwed down again, the third clamping plate 601 and the fourth clamping plate 602 can be stably fixed on the second cable assembly 2 under the cooperation of the second rubber pad 604, then the first clamping plate 301 and the second clamping plate 302 are arranged on the first cable assembly 1, the U-shaped holes 404 of the connecting plate 403 on the first clamping plate 301 and the second clamping plate 302 correspond to the threaded rods 402, then the first bolt 303 passes through the first clamping plate 301 and the second clamping plate 302, at this time, the first bolt 303 is screwed down again, the first clamping plate 301 and the second clamping plate 302 are stably fixed on the first cable assembly 1 under the cooperation of the first rubber pad 304, at this time, the movable seat 701 can be driven to slide on the connecting plate 403, the movable seat 702 is driven to move along with the sliding block 8, the threaded rods 404 can be screwed down from the threaded rods 402, the threaded rods 404 can be prevented from moving out of the threaded rods 402, the threaded rods can be prevented from moving from the threaded rods 402, the threaded rod 402 can be prevented from moving out of the threaded rod 402, the threaded rod 402 can be prevented from moving, the threaded rod 402 can be prevented from moving into the threaded rod 402, the threaded rod 402 can be prevented from moving inside the threaded rod 402, the threaded rod 402 can be pushed down, and the threaded rod can be moved down, and can be fixed, and can be moved down stably, and moved down, and moved, and can be fixed, and moved, then, can, and then can be moved, and moved, can, the cable is favorable for stably conveying electric energy.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (4)
1. A flame retardant power cable, characterized by: the cable comprises a first cable assembly (1), a second cable assembly (2) and a connector (5), wherein the first cable assembly (1) is connected with the second cable assembly (2) through the connector (5), a first fixing assembly (3) is arranged on the circumferential surface of the first cable assembly (1), a second fixing assembly (6) is arranged on the circumferential surface of the second cable assembly (2), reinforcing assemblies (4) are arranged on the circumferential surfaces of the first fixing assembly (3) and the second fixing assembly (6), and the first fixing assembly (3) is connected with the second fixing assembly (6) through the reinforcing assemblies (4); the device further comprises a limiting assembly (7), wherein the limiting assembly (7) is arranged on the circumferential surface of the first fixing assembly (3), and the first fixing assembly (3) is connected with the limiting assembly (7) through the reinforcing assembly (4);
the first cable assembly (1) comprises a first protective layer (101), a first corrugated pipe layer (102), a first wrapping layer (103), a first flame retardant layer (104), a first insulating layer (105) and a first cable core (106);
the second cable assembly (2) comprises a second protective layer (201), a second corrugated layer (202), a second wrapping layer (203), a second flame retardant layer (204), a second insulating layer (205) and a second cable core (206);
the first fixing assembly (3) comprises a first clamping plate (301), a second clamping plate (302), a first bolt (303) and a first rubber pad (304), wherein the first clamping plate (301) and the second clamping plate (302) are arranged on the circumference surface of the first protective layer (101), the first clamping plate (301) is rotationally connected with the second clamping plate (302) through a hinge, one ends, far away from the hinge, of the first clamping plate (301) and the second clamping plate (302) are fixedly connected through the first bolt (303), the first rubber pad (304) is fixedly connected with the inner arc surfaces of the first clamping plate (301) and the second clamping plate (302), and the first rubber pad (304) is tightly attached to the first protective layer (101);
the second fixing assembly (6) comprises a third clamping plate (601), a fourth clamping plate (602), a second bolt (603) and a second rubber pad (604), wherein the third clamping plate (601) and the fourth clamping plate (602) are arranged on the circumference of the second protective layer (201), the third clamping plate (601) is rotationally connected with the fourth clamping plate (602) through a hinge, one ends, far away from the hinge, of the third clamping plate (601) and the fourth clamping plate (602) are fixedly connected through the second bolt (603), the second rubber pads (604) are fixedly connected to the inner arc surfaces of the third clamping plate (601) and the fourth clamping plate (602), and the second rubber pads (604) are tightly attached to the second protective layer (201);
the reinforcing component (4) comprises a rotating seat (401), a threaded rod (402), a connecting plate (403), a U-shaped hole (404) and a nut (405), wherein the outer arc surfaces of the third clamping plate (601) and the fourth clamping plate (602) are fixedly connected with the rotating seat (401), and the threaded rod (402) is rotationally connected inside the rotating seat (401); the U-shaped hole (404) is formed in the side end face of the connecting plate (403), the threaded rod (402) is positioned in the U-shaped hole (404), and nuts (405) are connected with the circumferential surface of the threaded rod (402) in a threaded manner;
the limiting assembly (7) comprises a moving seat (701), a sliding block (702), a clamping hole (703) and a spring (704), wherein a sliding hole (8) is formed in the side end face of the connecting plate (403), the sliding block (702) is connected inside the sliding hole (8) in a sliding mode, the two ends of the sliding block (702) are fixedly connected with the moving seat (701), the moving seat (701) is connected with the connecting plate (403) in a sliding mode, the side end face of the moving seat (701) is provided with the clamping hole (703), the clamping hole (703) is matched with the threaded rod (402), the spring (704) is arranged inside the sliding hole (8), one end of the spring (704) is fixedly connected with the sliding block (702), and the other end of the spring (704) is fixedly connected with the inner wall of the sliding hole (8);
auxiliary rods (11) are fixedly connected to two sides of the movable seat (701), and the two auxiliary rods (11) are symmetrically distributed on two sides of the movable seat (701).
2. A flame retardant power cable according to claim 1, wherein: the novel cable is characterized in that a first corrugated pipe layer (102) is arranged inside the first protective layer (101), a first wrapping layer (103) is arranged inside the first corrugated pipe layer (102), a first flame-retardant layer (104) is arranged inside the first wrapping layer (103), a cavity is arranged inside the first flame-retardant layer (104), a flame retardant is filled in the cavity, a first insulating layer (105) is arranged inside the first flame-retardant layer (104), a first cable core (106) is arranged inside the first insulating layer (105), and the end part of the first cable core (106) is fixedly connected with the connector (5).
3. A flame retardant power cable according to claim 2, wherein: the novel cable is characterized in that a second corrugated pipe layer (202) is arranged inside the second protective layer (201), a second wrapping layer (203) is arranged inside the second corrugated pipe layer (202), a second flame-retardant layer (204) is arranged inside the second wrapping layer (203), a cavity is also arranged inside the second flame-retardant layer (204), a flame retardant is filled in the cavity, a second insulating layer (205) is arranged inside the second flame-retardant layer (204), a second cable core (206) is arranged inside the second insulating layer (205), and the end part of the second cable core (206) is fixedly connected with the connector (5).
4. A flame retardant power cable according to claim 3, wherein: the inner wall of the movable seat (701) is provided with a limit groove (10), a limit bar (9) is connected inside the limit groove (10) in a sliding manner, and the limit bar (9) is fixedly connected with the connecting plate (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311309945.7A CN117335210B (en) | 2023-10-11 | 2023-10-11 | Flame-retardant power cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311309945.7A CN117335210B (en) | 2023-10-11 | 2023-10-11 | Flame-retardant power cable |
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| Publication Number | Publication Date |
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| CN117335210A CN117335210A (en) | 2024-01-02 |
| CN117335210B true CN117335210B (en) | 2024-03-05 |
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| CN202311309945.7A Active CN117335210B (en) | 2023-10-11 | 2023-10-11 | Flame-retardant power cable |
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| CN101005180A (en) * | 2007-02-06 | 2007-07-25 | 中航光电科技股份有限公司 | Seal radiofrequency coaxial connector with self locking mechanism |
| JP2019169995A (en) * | 2018-03-22 | 2019-10-03 | 住電機器システム株式会社 | Female type connector, cable connection structure, and manufacturing method of cable connection structure |
| CN112885524A (en) * | 2021-03-15 | 2021-06-01 | 厦门显兴科技有限公司 | Double-flame-retardant power cable |
| WO2023024596A1 (en) * | 2021-08-24 | 2023-03-02 | 江苏亨通线缆科技有限公司 | Flame-retardant fire-resistant power cable resistant to spray and vibration |
| CN114243377A (en) * | 2021-11-30 | 2022-03-25 | 陈刘飞 | Power cable |
| CN114289637A (en) * | 2022-01-12 | 2022-04-08 | 天长市富达电子科技股份有限公司 | Clamping tool capable of changing positioning posture according to power line production process |
| CN217433930U (en) * | 2022-06-21 | 2022-09-16 | 西安明星光电科技有限公司 | Loading workpiece for prism grinding |
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