CN214226602U - 35kV and below super soft movable multicore cable - Google Patents

Abstract

The utility model discloses a 35kV and following super soft movable multicore cable, including a plurality of super soft sinle silks and the chlorinated polyethylene rubber oversheath of setting in the super soft sinle silk outside, super soft sinle silk includes the sinle silk conductor of being made by 5 class conductors, and the sinle silk conductor outside is equipped with conductor shielding layer, insulating shield and metallic shield in proper order, still includes the stranding band, and the stranding band wraps up super soft sinle silk together, and chlorinated polyethylene rubber oversheath sets up in the stranding band outside, still is equipped with the protection against rodents layer between chlorinated polyethylene rubber oversheath and stranding band. The utility model discloses improve the bending property of cable greatly, satisfied the normal use of cable in less space, increased the wearability at removal in-process cable sheathing, still had ratproof effect.

Description

35kV and below super soft movable multicore cable

Technical Field

The utility model relates to a cable field especially relates to a 35kV and following super soft movable multicore cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. Along with the technique constantly develops, equipment is also more and more tiny, and is narrower in some spaces of arranging the cable, for example being close to junction box and terminal department, cable bending space radius is very little, and the insulating layer may receive the conductor extrusion deformation because cable bending radius is too little in cable operation process, causes the cable breakdown, scrapes easily when cable removes in narrow and small space moreover, damages the cable, also often has the mouse to bite and lead to the cable to damage.

Chinese patent publication No. CN202549334U, published as 11/21/2012, entitled super-soft mobile cable, and the specific scheme of the present application is a super-soft mobile cable, which includes a plurality of combined soft conductors, each of which includes an inner core wire and an outer copper wire braid, the inner core wire is formed by twisting a plurality of fine copper wires, each of the fine copper wires is formed by drawing an oxygen-free copper wire, an insulating layer is formed outside each of the combined soft conductors by extruding a soft insulating material, a sheath is formed outside the combined soft conductors by extruding a soft insulating material, and a filler wire is disposed between two adjacent combined soft conductors.

Disclosure of Invention

The utility model aims to solve among the prior art because it is little to lay the space, cable bend radius is little and lead to the operation in-process insulating layer by conductor extrusion deformation problem, provides a 35kV and following super soft portable multicore cable.

The utility model discloses the technical scheme who adopts does: the utility model provides a 35kV and following portable multicore cable of super soft, includes a plurality of super soft sinle silks and sets up the chlorinated polyethylene rubber oversheath in the super soft sinle silk outside, super soft sinle silk includes conductor, and the conductor shielding layer, insulating layer, insulation shielding layer and metallic shield layer are equipped with in proper order in the conductor outside, still include the stranding band, and the stranding band is in the same place super soft sinle silk parcel, and chlorinated polyethylene rubber oversheath sets up in the stranding band outside. The chlorinated polyethylene is a saturated high polymer material, is nontoxic and tasteless, has excellent weather resistance, ozone resistance, chemical medicine resistance and aging resistance, has good oil resistance, flame retardance and coloring performance, has good compatibility with other high polymer materials, and has higher decomposition temperature. Increasing the wear resistance of the sheath during movement.

Preferably, the core conductor is made of a 5-type conductor. In the national standard, the 5-type conductor is a flexible conductor and is used in flexible cables and flexible wires, and the 5-type conductor can prevent the cable from being extruded and deformed due to too small bending radius, so that the cable is prevented from being punctured.

Preferably, the cable core fixing device is further included, the cable core fixing devices are evenly distributed on the cabling band at intervals, and the space surrounded by the cabling band is divided into parts with the same size by the cable core fixing device. When carrying out the cable equipment, the position of a plurality of cable cores is difficult for fixing, utilizes the band when wrapping around the package, therefore causes the cable preparation nonstandard easily, and the cable performance is influenced. Furthermore, the inner core of a single multi-core cable is sometimes required to be used as a branch cable, and the plurality of inner cores of the cable are crossed after stripping, so that it is difficult to distinguish different inner cores. The cable core fixing device can effectively solve the problems.

Preferably, the cable core fixing device comprises a first fixing piece and a second fixing piece, the first fixing piece is dovetail-shaped, one end of the first fixing piece is fixedly installed on the inner side of the cabling wrapping tape, the other end of the first fixing piece is detachably connected with the second fixing piece, and the side face of the second fixing piece is smooth and is attached to the ultra-soft cable core. When carrying out the cable preparation equipment, first mounting and second mounting are connected, and the back is accomplished in the cable preparation equipment, can dismantle the second mounting, and the cost of manufacture is saved greatly to recycle. The first fixing piece and the second fixing piece are symmetrically dovetail-shaped in consideration of stress when the cable is manufactured, the second fixing piece is attached to the ultra-soft wire core and is thin, and the inner space of the cable is saved.

Preferably, the second fixing part is provided with a clamping groove, the clamping groove has elasticity, and the first fixing part is correspondingly provided with a convex part matched with the clamping groove to realize detachable connection. The concave and convex parts are used, so that the disassembly and the assembly are more convenient and practical.

Preferably, a filling layer is arranged among the ultra-soft wire core, the cable core fixing device and the cabling wrapping belt, and the filling layer is filled with fillers. The filling layer is filled with filler. The setting of filling layer can play certain cushioning effect when the cable receives external force effect, promotes the elasticity and the crushing resistance of cable, has protected the cable, has prolonged the life of cable.

As preferred, still be equipped with the protection against rodents layer between chlorinated polyethylene rubber oversheath and cabling band, the setting on protection against rodents layer can effectively prevent the mouse to bite the cable, causes the cable to damage, has prolonged the life of cable in narrow and small space.

Preferably, the rat-proof layer is formed by extruding and wrapping a rat-proof material.

Preferably, at least two ultra-soft wire cores are included.

The utility model discloses the beneficial effect who produces is: (1) the utility model adopts 5 types of conductors formed by twisting a plurality of 5 types of conductor wires, greatly improves the bending property of the cable, and meets the normal use of the cable in a smaller space; (2) the outer sheath is made of chlorinated polyethylene rubber, so that the wear resistance of the cable sheath in the moving process is improved; (3) the rat-proof layer is arranged, so that rats can be prevented from being bitten, and the service life of the cable in a narrow space is prolonged; (4) be equipped with cable core fixing device, make things convenient for the equipment of cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is the utility model discloses cable core fixing device schematic diagram.

Wherein: 1. the cable comprises an ultra-soft cable core, 2, a cable core conductor, 3, a conductor shielding layer, 4, an insulating layer, 5, an insulating shielding layer, 6, a metal shielding layer, 7, a filling layer, 8, a cabling wrapping tape, 9, a rat-proof layer, 10, a chlorinated polyethylene rubber outer sheath, 11, a cable core fixing device, 111, a first fixing piece, 112, a second fixing piece, 113, a clamping groove, 114 and a protruding part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an ultra-soft movable multi-core cable of 35kV and below comprises a plurality of ultra-soft cores 1 and a chlorinated polyethylene rubber outer sheath 10 arranged outside the ultra-soft cores 1, wherein the chlorinated polyethylene is a saturated high polymer material, is nontoxic and odorless, has excellent weather resistance, ozone resistance, chemical resistance and aging resistance, has good oil resistance, flame resistance and coloring performance, has good compatibility with other high polymer materials, and has a high decomposition temperature. Increasing the wear resistance of the sheath during movement. Super soft sinle silk 1 includes sinle silk conductor 2, 2 outsides of sinle silk conductor are equipped with conductor shielding layer 3 in proper order, insulating layer 4, insulation shielding layer 5 and metallic shield 6, sinle silk conductor 2 is formed by 5 types of conductor bundle silk transposition, 5 types of conductor is a flexible conductor, be arranged in flexible cable and patchcord, use 5 types of conductor can prevent that cable bending radius is too little and receive conductor extrusion deformation, cause the cable to puncture, and the bundle hank comprises many single lines, the single line that constitutes the bundle hank is many and thin, wire cable's compliance has not only been increased, still improve the reliability of circuit intercommunication. Still include cabling band 8, cabling band 7 wraps up together super soft sinle silk 1, and chlorinated polyethylene rubber oversheath 10 sets up in the cabling band 8 outside, still is equipped with protection against rodents layer 9 between chlorinated polyethylene rubber oversheath 10 and cabling band 8, can effectively prevent the mouse from stinging the cable, causes the cable damage, has prolonged the life of cable in narrow and small space. Still be equipped with filling layer 7 between super soft sinle silk 1, cable core fixing device 11, cabling band 8, be full of the filler in filling layer 7. The setting of filling layer 7 can play certain cushioning effect when the cable receives external force effect, promotes the elasticity and the crushing resistance of cable, has protected the cable, has prolonged the life of cable. The cable core fixing device 11 is evenly distributed on the cabling belt 8 at intervals, and the space surrounded by the cabling belt 8 is divided into parts with the same size by the cable core fixing device 11 to be used for placing the ultra-soft cable cores. When carrying out the cable equipment, the position of a plurality of cable cores is difficult for fixing, utilizes the band when wrapping around the package, therefore causes the cable preparation nonstandard easily, and the cable performance is influenced. Furthermore, the inner core of a single multi-core cable is sometimes required to be used as a branch cable, and the plurality of inner cores of the cable are crossed after stripping, so that it is difficult to distinguish different inner cores. The cable core fixing device 11 can effectively solve the problems. Cable core fixing device 11 includes first mounting 111 and second mounting 112, and the stress state of cable when considering the cable preparation, first mounting 111 and second mounting 112 all establish to be the dovetail, first mounting 111 one end fixed mounting is inboard in cabling band 8, and the connection can be dismantled with second mounting 112 to the first mounting 111 other end, and the side of second mounting 112 is smooth and laminate and itself thinner with super soft sinle silk 1, saves the cable inner space, is equipped with card concave 113 on the second mounting 112, card concave 113 has elasticity, and corresponding be equipped with on first mounting 111 with card concave 113 complex protruding portion 114, realize dismantling the connection. When the cable is assembled, the first fixing piece 111 is connected with the second fixing piece 112, and after the cable is assembled, the second fixing piece 112 can be detached for recycling, so that the manufacturing cost is greatly saved.

Claims (7)

1. A35 kV and below super-soft movable multi-core cable is characterized by comprising a plurality of super-soft cores (1) and a chlorinated polyethylene rubber outer sheath (10) arranged on the outer side of the super-soft cores (1), the ultra-soft wire core (1) comprises a wire core conductor (2), a conductor shielding layer (3), an insulating layer (4), an insulating shielding layer (5) and a metal shielding layer (6) are sequentially arranged on the outer side of the wire core conductor (2), the ultra-soft wire core (1) is wrapped together by a cabling wrapping tape (8), a chlorinated polyethylene rubber outer sheath (10) is arranged on the outer side of the cabling wrapping tape (8), the core conductor (2) is made of 5 types of conductors and also comprises a cable core fixing device, the cable core fixing devices are evenly distributed on the cabling belting at intervals, and the cable core fixing devices (11) divide the space surrounded by the cabling belting (8) into parts with the same size.

2. The ultra-soft movable multi-core cable of 35kV or below, which is characterized in that the cable core fixing device comprises a first fixing piece (111) and a second fixing piece (112), the first fixing piece (111) and the second fixing piece (112) are both in a dovetail shape, one end of the first fixing piece (111) is fixedly installed on the inner side of the cabling tape (8), the other end of the first fixing piece (111) is detachably connected with the second fixing piece (112), and the side surface of the second fixing piece (112) is smooth and is attached to the ultra-soft cable core (1).

3. The 35kV and below ultra-flexible movable multi-core cable as claimed in claim 2, wherein the second fixing member (112) is provided with a locking recess (113), the locking recess has elasticity, and correspondingly, the first fixing member (111) is provided with a convex part (114) matched with the locking recess (113) to realize detachable connection.

4. The 35kV and below super-soft movable multi-core cable is characterized in that a filling layer (7) is further arranged among the super-soft cores (1), the cable core fixing device (11) and the cabling tape (8), and the filling layer (7) is filled with fillers.

5. The ultra-soft movable multi-core cable with the voltage of 35kV or below as claimed in claim 2, wherein a rat-proof layer (9) is further arranged between the chlorinated polyethylene rubber outer sheath (10) and the cabling tape (8).

6. The 35kV and below ultra-soft movable multi-core cable is characterized in that the rat-proof layer (9) is formed by extruding and wrapping rat-proof materials.

7. The 35kV and below ultra-soft movable multi-core cable is characterized by comprising at least two ultra-soft cores (1).

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