CN217767877U

CN217767877U - Insulated cable with high voltage resistant function

Info

Publication number: CN217767877U
Application number: CN202221301896.3U
Authority: CN
Inventors: 付直国; 王泽鑫; 杨剑洲
Original assignee: Guangdong Modern Zhujiang Cable Industrial Co ltd
Current assignee: Guangdong Modern Zhujiang Cable Industrial Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-11-08
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses an insulated cable with high pressure resistant function, including first cable, the side of first cable is provided with the second cable, first cable and second cable by polyvinyl chloride sheath, armor steel band, filler, metallic shield, crosslinked polyethylene insulation, copper conductor constitute, the armor steel band runs through the inboard of polyvinyl chloride sheath, the inboard of polyvinyl chloride sheath runs through there are a plurality of crosslinked polyethylene insulations; through the second sleeve pipe of design, first sleeve pipe, the standing groove, the connecting seat, spacing fixture block, spacing draw-in groove, improve between original first cable and the second cable after being connected, there is the phenomenon that easily damages first cable and second cable junction, through this structure, on original connection basis, increase bearing structure to the junction of first cable and second cable, first cable and the second cable after avoiding connecting receives to twist reverse to convenient to use.

Description

Insulated cable with high voltage resistant function

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to insulated cable with high pressure resistant function.

Background

An insulated cable with a high voltage resistance function is a kind of power cable, and is used for transmitting power between 1kv and 1000kv, and is widely applied to power transmission and distribution.

The insulating cable of current high pressure resistant function is in the use, when needs splice first cable and second cable, tears through the structure with first cable and second cable surface, and makes the copper conductor twine, and rethread electric adhesive tape twines, because this connected mode, has the problem of the back no support nature of connecting, when having the use, twists reverse winding department to produce the damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulated cable with high pressure resistant function to propose being connected between first cable and the second cable in solving above-mentioned background art, there is the fragile problem.

In order to achieve the above object, the utility model provides a following technical scheme: an insulated cable with high-voltage resistance function comprises a first cable, wherein a second cable is arranged on the side face of the first cable, the first cable and the second cable are both composed of a polyvinyl chloride sheath, an armored steel strip, a filler, a metal shield, a cross-linked polyethylene insulator and a copper conductor, the armored steel strip penetrates through the inner side of the polyvinyl chloride sheath and is made of stainless steel, the anti-corrosion working capacity is improved through the armored steel strip, the cable is a cable which is designed for regions which are easy to damage mechanical equipment and are very easy to corrode, the cable is strong in external force resistance and can prevent a customer from tearing, a plurality of cross-linked polyethylene insulators penetrate through the inner side of the polyvinyl chloride sheath, and compared with the PVC insulator, the cable is simple in structure, light in weight, good in heat resistance, strong in loading capacity, not melted, resistant to chemical corrosion and high in mechanical strength, and the metal shield is sleeved on the surfaces of the plurality of the cross-linked polyethylene insulators, a plurality of copper conductors penetrate through the inner side of the cross-linked polyethylene insulation, fillers are filled between the metal shield and the polyvinyl chloride sheath, a second sleeve is sleeved on the end surface of the first cable, a first sleeve is sleeved on the end surface of the second cable, a placing groove is formed in the end surface of the second sleeve, a connecting seat is fixed on the end surface of the first sleeve, the placing groove and the connecting seat are in a clamping state, a limiting clamping block is fixed on the inner side of the placing groove, a limiting clamping groove is formed in the inner wall of the connecting seat, the limiting clamping block and the limiting clamping groove are in a clamping state, a fixing clamping block is fixed on one end of the second sleeve and one end of the first sleeve, the closed part of the second sleeve and the closed part of the first sleeve are clamped through the fixing clamping block and the fixing clamping groove, and the position fixing is carried out through a rubber block, fixed slot has all been seted up to the sheathed tube other end of second and the sheathed tube other end of first, fixed slot and fixed fixture block are the block state, be provided with the block rubber between fixed slot and the fixed fixture block, the outside and the inboard fixed of fixed slot of block rubber.

Preferably, the inner wall of the first sleeve and the inner wall of the second sleeve are symmetrically fixed with anti-slip silica gel blocks, the anti-slip performance between the second sleeve, the first cable, the second cable and the first sleeve is increased, the connection stability of the first cable and the second cable after connection is guaranteed, the inner side of the second sleeve and the inner side of the first sleeve are symmetrically provided with fixing grooves, the inner sides of the fixing grooves are fixed with fixing blocks, and the inner sides of the fixing blocks are fixed with the outer sides of the anti-slip silica gel blocks.

Preferably, the surface of the fixing block is attached to the inner wall of the fixing groove, and the cross section of the end of the fixing block is of a T-shaped structure.

Preferably, the antiskid silica gel piece is the hollow circular cylinder structure, the fixed block is the hollow circular cylinder structure, and fixed block and fixed slot are fixed for the laminating, carry out better spacing to the position of antiskid silica gel piece.

Preferably, the surface of the limiting clamping block is in a fitting state with the inner wall of the limiting clamping groove, and the surface of the fixing clamping block is in a fitting state with the inner wall of the fixing clamping groove.

Preferably, the second sleeve is a hollow cylinder structure, and the first sleeve is a hollow cylinder structure.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) Through the second sleeve pipe of design, first sleeve pipe, the standing groove, the connecting seat, spacing fixture block, spacing draw-in groove, improve between original first cable and the second cable after being connected, there is the phenomenon that easily damages first cable and second cable junction, through this structure, on original connection basis, it increases bearing structure to the junction of first cable and second cable, first cable and second cable after avoiding connecting receive the torsion, thereby convenient to use, armor steel band through the design, promote the impact toughness of cable, play high-pressure resistant effect, the direct burial of more being suitable for the stratum territory is laid, and the armor steel band is stainless steel, possess high magnetization intensity, there is very good electromagnetic shield actual effect, play the insulating effect, can be used for anti low frequency to can make armor cable direct burial lay and can avoid the threading pipe, and high quality and low price, it is more to specifically use.

(2) Through the anti-skidding silica gel piece, fixed slot, the fixed block of design, avoid having certain space after cup jointing between second sleeve pipe and first cable, first sleeve pipe and the second cable, have unstable phenomenon behind the block, through this structure, guarantee the steadiness behind the block.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic cross-sectional view of the joint of the first cable and the second cable according to the present invention;

fig. 3 is a schematic cross-sectional view of a first cable end of the present invention;

in the figure: 1. a first cable; 2. a second cable; 3. a first sleeve; 4. a second sleeve; 5. a limiting clamping block; 6. a limiting clamping groove; 7. an anti-slip silica gel block; 8. a connecting seat; 9. a placement groove; 10. a polyvinyl chloride sheath; 11. armored steel belts; 12. a filler; 13. metal shielding; 14. cross-linked polyethylene insulation; 15. a copper conductor; 16. fixing the clamping groove; 17. fixing the clamping block; 18. a fixed block; 19. and fixing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.

Referring to fig. 1 to 3, the present invention provides a technical solution: an insulated cable with high-voltage resistance function comprises a first cable 1, a second cable 2 is arranged on the side face of the first cable 1, the first cable 1 and the second cable 2 are both composed of a polyvinyl chloride sheath 10, an armored steel strip 11, a filler 12, a metal shield 13, a cross-linked polyethylene insulator 14 and a copper conductor 15, the armored steel strip 11 penetrates through the inner side of the polyvinyl chloride sheath 10, a plurality of cross-linked polyethylene insulators 14 penetrate through the inner side of the polyvinyl chloride sheath 10, the surfaces of the cross-linked polyethylene insulators 14 are respectively sleeved with the metal shield 13, the inner side of the cross-linked polyethylene insulator 14 penetrates through the plurality of copper conductors 15, the filler 12 is filled between the plurality of metal shields 13 and the polyvinyl chloride sheath 10, a second sleeve 4 is sleeved on the end surface of the first cable 1, a first sleeve 3 is sleeved on the end surface of the second cable 2, a placement groove 9 is formed in the end surface of the second sleeve 4, the end surface of the first sleeve 3 is fixed with a connecting seat 8, so that the joint of the second sleeve 4 and the first sleeve 3 is fixed in position in a clamping limiting mode, the placing groove 9 and the connecting seat 8 are in a clamping state, a limiting clamping block 5 is fixed on the inner side of the placing groove 9, a limiting clamping groove 6 is formed in the inner wall of the connecting seat 8, the limiting clamping block 5 and the limiting clamping groove 6 are in a clamping state, a fixed clamping block 17 is fixed on one end of the second sleeve 4 and one end of the first sleeve 3, a fixed clamping groove 16 is formed in the other end of the second sleeve 4 and the other end of the first sleeve 3, the fixed clamping groove 16 and the fixed clamping block 17 are in a clamping state, a rubber block is arranged between the fixed clamping groove 16 and the fixed clamping block 17, the outer side of the rubber block is fixed with the inner side of the fixed clamping groove 16, and the second sleeve 4, the first sleeve 3, the placing groove 9, the connecting seat 8, the connecting seat 3 and the connecting seat 3 are designed, spacing fixture block 5, spacing draw-in groove 6, improve between original first cable 1 and the second cable 2 and be connected the back, there is the phenomenon that easily damages first cable 1 and second cable 2 junction, through this structure, on original connection basis, it increases bearing structure to the junction of first cable 1 and second cable 2, first cable 1 and second cable 2 after avoiding connecting receive the torsion, thereby convenient to use, anti-skidding silica gel piece 7 is the hollow cylinder structure, fixed block 18 is the hollow cylinder structure, the surface of spacing fixture block 5 is the laminating state with spacing draw-in groove 6's inner wall, the surface of fixed fixture block 17 is the laminating state with the inner wall of fixed draw-in groove 16, second sleeve 4 is the hollow cylinder structure, first sleeve 3 is the hollow cylinder structure.

In this embodiment, it is preferred, the inner wall of first sleeve 3 and the equal symmetry of the inner wall of second sleeve 4 are fixed with anti-skidding silica gel block 7, fixed slot 19 has been seted up with the equal symmetry of the inboard of first sleeve 3 to the inboard of second sleeve 4, and the inboard of fixed slot 19 is fixed with fixed block 18, the inboard of fixed block 18 is fixed with the outside of anti-skidding silica gel block 7, anti-skidding silica gel block 7 through the design, fixed slot 19, fixed block 18, avoid second sleeve 4 and first cable 1, there is certain space after cup jointing between first sleeve 3 and the second cable 2, there is unstable phenomenon behind the block, through this structure, guarantee the steadiness behind the block, the surface of fixed block 18 is the laminating state with the inner wall of fixed slot 19, the tip cross section of fixed block 18 is the T type structure of personally submitting.

The utility model discloses a theory of operation and use flow: when the first cable 1 and the second cable 2 need to be connected, the multilayer structure on the surface of the joint of the first cable 1 and the second cable 2 is torn, so that the part of the copper conductor 15 is exposed outside, the copper conductor 15 on the inner side of the first cable 1 and the second cable 2 is wound, then the second sleeve 4, the first sleeve 3, the first cable 1 and the second cable 2 are wrapped by the electric adhesive tape, in the process of sleeving, the second sleeve 4 is firstly sleeved on the end surface of the first cable 1, the second sleeve 4 is connected through the rotating shaft forming one end of the two parts of the second sleeve 4, so that the second sleeve 4 is clamped on the end surface of the first cable 1, the second sleeve 4 is closed through the rotating shaft connecting between the two parts forming the second sleeve 4, and the fixing clamping blocks 17 on the two ends of the second sleeve 4 are clamped into the inner sides of the fixing clamping grooves 16, and the fixed fixture block 17 is fixed with the fixed fixture slot 16 through a rubber block, after the second sleeve 4 is completely clamped with the first cable 1, the anti-skid silica gel block 7 on the inner side of the second sleeve 4 is attached to the surface of the first cable 1, then the first sleeve 3 is sleeved on the surface of the second cable 2, in the process of sleeving the first sleeve and the second sleeve, the first sleeve 3 is clamped with the second cable 2 through the connection of the rotating shaft between the two parts forming the first sleeve 3, and the two parts forming the first sleeve 3 are closed, in the process of closing the first sleeve 3, the connecting seat 8 on the end part of the first sleeve 3 is sleeved on the surface of the placing groove 9 arranged on the end part of the second sleeve 4, the limit fixture slot 6 is clamped with the limit fixture block 5, then the fixed fixture blocks 17 on the two ends of the first sleeve 3 are clamped into the inner side of the fixed fixture slot 16, and the fixed fixture block 17 and the fixed fixture slot 16 are fixed in position through a rubber block, after the first sleeve 3 and the second cable 2 are completely clamped, the anti-slip silica gel block 7 on the inner side of the first sleeve 3 is attached to the surface of the first cable 1, so that the connection between the first cable 1 and the second cable 2 is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insulated cable with high pressure resistant function, includes first cable (1), the side of first cable (1) is provided with second cable (2), first cable (1) and second cable (2) are constituteed by polyvinyl chloride sheath (10), armor steel band (11), filler (12), metallic shield (13), crosslinked polyethylene insulation (14), copper conductor (15), armor steel band (11) run through in the inboard of polyvinyl chloride sheath (10), the inboard of polyvinyl chloride sheath (10) is run through and is had a plurality of crosslinked polyethylene insulation (14), and is a plurality of metallic shield (13) have all been cup jointed on the surface of crosslinked polyethylene insulation (14), the inboard of crosslinked polyethylene insulation (14) is run through has a plurality of copper conductor (15), and is a plurality of it is filled filler (12) between metallic shield (13) and polyvinyl chloride sheath (10), its characterized in that: the cable is characterized in that a second sleeve (4) is sleeved on the end surface of the first cable (1), a first sleeve (3) is sleeved on the end surface of the second cable (2), a placing groove (9) is formed in the end surface of the second sleeve (4), a connecting seat (8) is fixed on the end surface of the first sleeve (3), the placing groove (9) and the connecting seat (8) are in a clamping state, a limiting clamping block (5) is fixed on the inner side of the placing groove (9), a limiting clamping groove (6) is formed in the inner wall of the connecting seat (8), the limiting clamping block (5) and the limiting clamping groove (6) are in a clamping state, a fixed clamping block (17) is fixed on one end of the second sleeve (4) and one end of the first sleeve (3), a fixed clamping groove (16) is formed in the other end of the second sleeve (4) and the other end of the first sleeve (3), the fixed clamping groove (16) and the fixed clamping block (17) are in a clamping state, a rubber block is arranged between the fixed clamping groove (16) and the inner side of the fixed clamping groove (16).

2. An insulated electric cable with high voltage resistance according to claim 1, characterized in that: the inner wall of first sleeve pipe (3) and the equal symmetry of the inner wall of second sleeve pipe (4) are fixed with anti-skidding silica gel piece (7), fixed slot (19) have been seted up with the equal symmetry in inboard of first sleeve pipe (3) to the inboard of second sleeve pipe (4), and the inboard of fixed slot (19) is fixed with fixed block (18), the inboard of fixed block (18) is fixed with the outside of anti-skidding silica gel piece (7).

3. An insulated electric cable with high voltage resistance according to claim 2, characterized in that: the surface of the fixing block (18) is attached to the inner wall of the fixing groove (19), and the cross section of the end part of the fixing block (18) is of a T-shaped structure.

4. An insulated electric cable with high voltage resistance according to claim 2, characterized in that: the anti-skidding silica gel block (7) is of a hollow cylinder structure, and the fixing block (18) is of a hollow cylinder structure.

5. The insulated cable with high voltage resistance of claim 1, wherein: the surface of the limiting clamping block (5) is in a laminating state with the inner wall of the limiting clamping groove (6), and the surface of the fixing clamping block (17) is in a laminating state with the inner wall of the fixing clamping groove (16).

6. An insulated electric cable with high voltage resistance according to claim 1, characterized in that: the second sleeve (4) is of a hollow cylinder structure, and the first sleeve (3) is of a hollow cylinder structure.