CN-122025243-A - Wind vibration resistant ice-coating resistant high-strength overhead insulated cable

Abstract

The invention discloses a wind vibration resistant ice-coating resistant high-strength overhead insulated cable, which relates to the technical field of overhead insulated cables, wherein a middle-limit heat-conducting insulated pipe is arranged on the outer side of an inner conductive core, a plurality of joint buffer sleeves are bonded on the inner side of the middle-limit heat-conducting insulated pipe at equal intervals, an outer convex opposite-plug clamping position frame is sleeved on the inner side of the joint buffer sleeve, an opposite-plug clamping fixing rod is welded at one end of the outer convex opposite-plug clamping position frame, a bonding semi-conductive sheet is laid on the outer side of the inner conductive core, and a pressing opposite-treatment sheet is arranged at the outer side end of the bonding semi-conductive sheet.

Inventors

• Ning Liqing
• ZHAO JIANGXIN
• GENG LICHUAN
• MA QINGQUAN
• MA SHICHAO
• Cheng Yunchuan
• YAN CONGCONG
• Jiang ce
• CAO QIN
• MA YUANLING
• ZHAO MEILING
• LI XIJIAO
• GENG SONGSONG
• HAN XIAOWEI
• Li Xicha
• Liu Hengen
• GUO YAQIONG
• Bo Jinyang
• Feng Honghong
• WANG SHANSHAN

Assignees

• 友惠线缆有限公司

Dates

Publication Date

20260512

Application Date

20260410

Claims (10)

1. 1. The high-strength overhead insulated cable resistant to wind vibration and ice coating comprises an inner conductive core (1), and is characterized in that a multistage buffering limiting assembly (2) is arranged on the outer side of the inner conductive core (1); the multistage buffering limiting assembly (2) comprises a middle-limit heat-conducting insulating tube (201); The outer side of the inner conductive core (1) is provided with a middle-limit heat-conducting insulating tube (201), and a plurality of joint buffer sleeves (202) are bonded on the inner side of the middle-limit heat-conducting insulating tube (201) at equal intervals; the inner side of the joint buffer sleeve (202) is sleeved with an outer convex opposite inserting clamping position frame (203), and one end of the outer convex opposite inserting clamping position frame (203) is welded with an inserting clamping fixing rod (204); a bonding semi-conductive sheet (205) is paved outside the inner conductive core (1), and a press-pair processing sheet (206) is arranged at the outer side end of the bonding semi-conductive sheet (205); An inner support fixing plate (207) is inserted and installed at the inner side of the press pair processing piece (206), and an outer heat conducting piece (208) is paved at the outer side end of the press pair processing piece (206); the outer side end of the outer heat conducting fin (208) is adhered with a multi-groove flow guiding support bar (209), and the inner side of the multi-groove flow guiding support bar (209) is symmetrically inserted and provided with a fixed arc guiding fin (210); The multi-groove diversion support bar (209) side end joint has biconvex pressure to strip (211), biconvex pressure is to strip (211) outside joint has slow pressure limiting plate (212).
2. 2. The wind vibration resistant ice coating resistant high-strength overhead insulated cable according to claim 1, wherein the outer side end of the slow-voltage limiting plate (212) is adhered with a pair of convex clamping plates (213), and support limiting ribs (214) are embedded in the inner sides of the pair of convex clamping plates (213) at equal intervals; A double-connection heat-conducting plate (215) is clamped between two adjacent opposite convex clamping plates (213), and a clamping fixing hole (216) is formed at one end of the outer convex opposite clamping frame (203); The cross section of the outer convex opposite inserting clamping position frame (203) is 匚, and two adjacent outer convex opposite inserting clamping position frames (203) are mutually clamped and connected.
3. 3. The wind vibration and ice coating resistant high-strength overhead insulated cable according to claim 1, wherein a combined connecting hole (217) is formed at one end of the pressure pair processing piece (206) corresponding to the position of the inner support fixing plate (207); The outer side end of the middle-limit heat conduction insulating tube (201) is provided with a double-connection outer-conduction uniform frame (218), and the outer side end of the middle-limit heat conduction insulating tube (201) is provided with a bidirectional exchange frame (219) at the position corresponding to the double-connection outer-conduction uniform frame (218); An inner limit insulating tube (220) is arranged at the outer side end of the bidirectional exchange frame (219); The outer side end of the outer convex opposite-inserting clamping frame (203) is attached to the inner side end of the middle-limit heat-conducting insulating tube (201), and the longitudinal section of the fixed arc guide piece (210) is arc-shaped.
4. 4. The wind vibration and ice coating resistant high-strength overhead insulated cable according to claim 1, wherein one end of the inner side of the double-convex pressure butt strip (211) is in sliding fit with one end of the outer side of the outer heat conducting sheet (208), and the longitudinal sections of the double-convex pressure butt strip (211) and the double-convex clamping plate (213) are cross-shaped.
5. 5. The wind vibration and ice coating resistant high-strength overhead insulated cable according to claim 2, wherein the longitudinal section of the double-connection heat conducting plate (215) is I-shaped, and one end of the double-connection external conducting uniform frame (218) is attached to one end of the bidirectional exchange frame (219).
6. 6. A wind vibration and ice coating resistant high strength overhead insulated cable according to claim 3, wherein the inner side end of the bidirectional exchange frame (219) is attached to the outer side end of the middle limit heat conducting insulating tube (201), and the inner side end of the double-joint outer uniform frame (218) is attached to the outer side end of the middle limit heat conducting insulating tube (201).
7. 7. A wind vibration and ice coating resistant high strength overhead insulated cable according to claim 3, wherein the side end of the inner limit insulating tube (220) is provided with a coupling assembly (3); the coupling assembly (3) comprises a constant pressure limiting groove (301); a plurality of constant-pressure limiting grooves (301) are formed in the outer side of the inner limit insulating tube (220) at equal intervals, and double convex ring clamping frames (302) are inserted and installed in the inner sides of the constant-pressure limiting grooves (301); The outer side end of the biconvex ring clamping frame (302) is sleeved with an outer protective sleeve (303), and a plurality of drainage treatment grooves (317) are formed in the outer side end of the outer protective sleeve (303) at equal intervals; The outer side end of the outer protective sleeve (303) is equidistantly adhered with a plurality of protective isolation films (304), and the inner side of the inner limit insulating tube (220) is equidistantly wound with a metal shielding strip (305); a plurality of pressure relief air bags (306) are paved on the inner side of the metal shielding strip (305), and a plurality of fine tuning spring pieces (307) are paved on the inner side of the pressure relief air bags (306) at equal intervals; A fine-tuning air bag (308) is adhered between the double-connection outer guide uniform frame (218) and the bidirectional exchange frame (219), and the side end of the protective isolation film (304) is sleeved with a compression linkage bracket (309); one end of each of the two pressing linkage brackets (309) is inserted and provided with a combination bolt (310), and one end of each combination bolt (310) is connected with a combination nut (311) through threads; The side end of the compaction linkage support (309) is equidistantly clamped with a plurality of inner sliding limiting cylinders (312), and the inner sides of the inner sliding limiting cylinders (312) are clamped with damping buffers (313).
8. 8. The wind vibration and ice coating resistant high-strength overhead insulated cable according to claim 7, wherein one end of the damping buffer (313) is clamped with an internal thread correction block (314), and one end of the internal thread correction block (314) is connected with a bearing cable (315) through threads; A middle limit fixing rod (316) is arranged between the plurality of double-connection outer guide uniform frames (218) and the bidirectional exchange frame (219); The inner side end of the pressure relief air bag (306) is attached to the outer side end of the double-connection outer guide uniform frame (218), and the inner side end of the pressure relief air bag (306) is attached to the outer side end of the bidirectional exchange frame (219).
9. 9. The wind vibration resistant ice coating resistant high strength overhead insulated cable according to claim 7, wherein the side ends of the two compression linkage brackets (309) are mutually attached, and the combination nut (311) is inserted and installed at one end of the inner side of the compression linkage brackets (309).
10. 10. The wind vibration and ice coating resistant high strength overhead insulated cable according to claim 8, wherein the internal thread correction block (314) is slidably mounted inside the internal sliding limiting cylinder (312), and the middle limiting fixing rod (316) is placed inside the outer protective sleeve (303).

Description

Wind vibration resistant ice-coating resistant high-strength overhead insulated cable Technical Field The invention relates to the technical field of overhead insulated cables, in particular to a wind vibration resistant and ice coating resistant high-strength overhead insulated cable. Background The overhead insulated cable is an overhead conductor with an insulating layer, and by adding a layer of insulating material on the metal conductor, the advantages of low construction cost and convenience in construction of the overhead conductor are reserved, and the overhead insulated cable has higher power supply reliability, better safety, space saving, convenience in maintenance, good economy and the like. However, when the existing overhead insulated cable is affected by wind power, the existing overhead insulated cable is not provided with an effective buffer component and is buffered by most of the buffer components depending on connecting points, so that larger amplitude oscillation is generated under the influence of wind power and dead weight of the cable, and small amplitude resonance oscillation is easy to occur under the action of breeze, so that the accelerated aging and fatigue of cable materials are caused, and the use safety and service life of the cable are affected. Disclosure of Invention The invention provides a wind vibration resistant and ice coating resistant high-strength overhead insulated cable, which can effectively solve the problems that the existing overhead insulated cable is provided in the prior art, when being influenced by wind power, the existing overhead insulated cable is not provided with an effective buffer part and is buffered mostly depending on connecting points, so that larger amplitude vibration is generated under the influence of the wind power and the dead weight of the cable, small amplitude resonance vibration is easy to occur under the effect of breeze, and the accelerated aging and fatigue of cable materials are caused, and the use safety and service life of the cable are influenced. In order to achieve the aim, the invention provides the technical scheme that the high-strength overhead insulated cable resistant to wind vibration and ice coating comprises an inner conductive core, wherein a multistage buffering limiting assembly is arranged on the outer side of the inner conductive core; The multistage buffering limiting assembly comprises a middle-limit heat-conducting insulating tube; the outer side of the inner conductive core is provided with a middle-limit heat-conducting insulating tube, and a plurality of joint buffer sleeves are bonded on the inner side of the middle-limit heat-conducting insulating tube at equal intervals; The inner side of the coupling buffer sleeve is sleeved with an outer convex opposite inserting clamping position frame, and one end of the outer convex opposite inserting clamping position frame is welded with an inserting clamping fixing rod; A bonding semi-conductive sheet is laid on the outer side of the inner conductive core, and a press pair processing sheet is arranged at the outer side end of the bonding semi-conductive sheet; an inner support fixing plate is inserted and installed at the inner side of the pressing pair treatment sheet, and an outer heat conducting sheet is paved at the outer side end of the pressing pair treatment sheet; The outer side end of the outer heat conducting fin is adhered with a multi-groove flow guiding support bar, and the inner side of the multi-groove flow guiding support bar is symmetrically inserted and provided with a fixed arc guiding fin; the side end of the multi-groove diversion support bar is clamped with a biconvex pressure butt bar, and the outer side of the biconvex pressure butt bar is clamped with a slow pressure limiting plate. According to the technical scheme, the outer side end of the slow-pressure limiting plate is adhered with the opposite convex clamping plates, and supporting limiting ribs are embedded in the inner sides of the opposite convex clamping plates at equal intervals; a double-joint heat-conducting plate is clamped between two adjacent opposite convex clamping plates, and a clamping fixing hole is formed in one end of the convex opposite clamping frame; the cross section of the outer convex opposite inserting clamping position frame is 匚, and two adjacent outer convex opposite inserting clamping position frames are mutually clamped and connected. According to the technical scheme, a combined connecting hole is formed at one end of the press-pair processing piece, which corresponds to the position of the inner support fixing plate; The outer side end of the middle-limit heat-conducting insulating tube is provided with a double-connection outer-conducting uniform frame, and a bidirectional exchange frame is arranged at the position of the outer side end of the middle-limit heat-conducting insulating tube corresponding to the double-connection outer-conducting unifor