CN210866532U

CN210866532U - Line repair device

Info

Publication number: CN210866532U
Application number: CN201921389218.5U
Authority: CN
Inventors: 黄应敏; 胡超强; 尤占山; 王骞能; 胡玉莹; 陈雪儿; 徐秋燕; 刘金勇
Original assignee: Guangzhou Panyu Cable Group Co Ltd
Current assignee: Guangzhou Panyu Cable Group Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-26
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to the field of cable maintenance, in particular to a line repairing device, which comprises a repairing shell, wherein a line connector is arranged in the repairing shell, the line connector comprises a middle connecting piece and two locking screw caps, the two locking screw caps are respectively in threaded connection with two ends of the middle connecting piece, a conical elastic sleeve is arranged in each locking screw cap, and an inlet of a plug wire hole is a corresponding conical expansion structure; the utility model has the advantages that: the wire of cable junction firm in connection is reliable, and the area of overflowing is big, and the outer cladding of restoration shell is as repairing the insulating layer outside the cable junction, and waterproof and moisture proof can be good, and intensity is high difficult damaged, can effectively operate for a long time after the cable is continued, has prolonged cable life.

Description

Line repair device

Technical Field

The utility model relates to an electric power tool technical field specifically is circuit repair equipment.

Background

In the process of repairing a power line, two disconnected cables are often required to be connected, and when the cables are connected, the conventional mode commonly used by maintenance workers is to twist the leads at the ends of the two disconnected cables together and then wind and seal the connection position by using an insulating tape. The traditional mode has some disadvantages after long-time operation and maintenance, firstly, the lead at the joint is fixed by natural winding, the fixation is not firm, the loosening is easy, the operation randomness is larger, and the problem of easy heating caused by over-small flow area at the joint is easy to occur; secondly, the insulating tape cannot be well in close contact with the cable outer sheath layer, the cable runs in a humid environment for a long time, and water and moisture easily enter a gap between the wound insulating tape and the cable outer sheath, so that insulation failure at a connection position is caused, and potential safety hazards are caused to the running cable; moreover, the wound insulating tape has poor strength, is easy to damage in the construction process, leads to the reduction of the insulating property, is easy to enter water and wet, and also causes potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a line repair device which is firm in connection, good in insulation property and long in service life.

The utility model discloses the task is realized through following technical scheme:

the line repairing equipment comprises a repairing shell, wherein the repairing shell is of a cylindrical structure with two open ends, a line connector used for connecting two cables is arranged in the repairing shell, the line connector comprises a middle connecting piece and two locking screw caps, two ends of the middle connecting piece are respectively provided with a plug wire hole for a lead of the cable to insert and be in conductive connection with, the two locking screw caps are respectively in threaded connection with two ends of the middle connecting piece, each locking screw cap is provided with a through hole for the cable to pass through, an inner cavity of each locking screw cap is provided with a conical elastic sleeve, a small-diameter end of each conical elastic sleeve faces to an inlet of each plug wire hole, the inlet of each plug wire hole is of a conical expansion structure, and the inner diameter of the inlet end of each plug wire hole is larger than the outer diameter of the small-diameter; when in use, the two ends of the repair shell are respectively lapped on the insulating outer sheaths of the two cables and are connected with the insulating outer sheaths in a sealing way.

Preferably, the intermediate connection piece is provided with a positioning boss, the repair shell is internally provided with two corresponding positioning baffles, and the positioning boss is embedded between the two positioning baffles during use, so that the positioning baffles axially position the circuit connector.

Preferably, the circumferential side wall of the positioning boss is of a hexagonal nut structure.

Preferably, the repair shell is of a butt-joint structure and comprises an upper half shell and a lower half shell, one side edge of the upper half shell and one side edge of the lower half shell are hinged to each other, and the other side edge of the upper half shell and the other side edge of the lower half shell are detachably connected through a buckle.

Preferably, the contact side edges of the upper half shell and the lower half shell are mutually matched step-shaped contact surfaces so as to be capable of embedded assembly, and therefore the contact surfaces of the upper half shell and the lower half shell are folded surfaces.

Preferably, the side edge of the upper half shell, which is contacted with the lower half shell, is provided with a sealing gasket.

Preferably, sealing rubber rings are respectively arranged at two ends of the repair shell, and the sealing rubber rings can seal and repair a gap between the end part of the shell and the cable insulation outer sheath when in use.

Preferably, each sealing ring is provided with at least two sealing rings arranged at intervals along the axial direction.

Preferably, the repair shell is made of a bendable insulating material.

The utility model discloses line repair equipment's beneficial effect is that ① cable connection's wire passes through the fixed electrically conductive connection of circuit connector, firm in connection is reliable, operation standard is unified, and the area of overflowing of connection is great, including the cladding of cable connection when restoreing the shell and using, and carry out all-round sealed through sealed rubber ring and seal gasket, waterproof and moisture-proof performance is good, and intensity is high difficult damaged, can long-term effective operation after the cable connection, prolonged cable life, ② compresses tightly the cable inwards along cable circumference through the elasticity pressure cover, can effectively avoid the wire of cable to be damaged by pressure or press and break and influence the electric conductivity nature of connection, ③ restores the upper half shell of shell and the side of lower half shell and carries out embedded assembly, thereby make the contact surface of seam department be the folded surface, can increase creepage distance, effectively prevent seam department from being punctured by electricity, increase the security performance, and the seam location of restoreing the shell outer wall is less than the seam location of inner wall, and can further effectively prevent rainwater from getting into and restore the shell inside, ④ restores the shell for the elastic insulating material of folded elastic, the convenient circuit that restores of buckling.

Drawings

FIG. 1 is a schematic structural diagram of a line repair apparatus in an expanded use state according to an embodiment;

fig. 2 is a schematic structural diagram of a circuit connector in the circuit repairing apparatus of the present invention;

fig. 3 is a schematic view of the internal structure of fig. 2.

The device comprises a repair shell 1, an upper half shell 11, a lower half shell 12, a step-shaped contact surface 121, a buckling structure 13, a positioning baffle 14, a sealing rubber ring 15, a sealing ring 151, a sealing gasket 16, a circuit connector 2, an intermediate connecting piece 21, a wire inserting hole 211, a positioning boss 212, a locking nut 22, a conical elastic sleeve 23, a cable 3 and a lead 31.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.

As shown in fig. 1-3, the line repairing apparatus includes a repairing casing 1, the repairing casing 1 is of an involutory structure, which includes an upper casing half 11 and a lower casing half 12, the upper repairing casing 1 forms a tubular structure with two open ends after involutory, a line connector 2 for connecting two cables 3 is arranged in the repairing casing 1, the line connector 2 includes a middle connecting piece 21 and two lock nuts 22, two ends of the middle connecting piece 21 are respectively provided with a wire inserting hole 211 for inserting a wire 31 of the cable 3 and electrically connecting with the wire inserting hole, the two lock nuts 22 are respectively in threaded connection with two ends of the middle connecting piece 21, the lock nuts 22 are provided with through holes for the cable 3 to pass through, an inner cavity of the lock nuts 22 is further provided with a tapered elastic sleeve 23, the tapered elastic sleeve 2 is sleeved outside the cable 3 when in use, a small diameter end of the tapered elastic sleeve 23 is compressed toward the wire inserting hole 211, an entrance of the wire inserting hole 211 is, the inner diameter of the entrance of the wire inserting hole 211 is larger than the outer diameter of the small-diameter end of the conical elastic sleeve 23 and smaller than the outer diameter of the large-diameter end of the conical elastic sleeve 23; when the two ends of the repair shell 1 are used, the two ends of the repair shell are respectively lapped on the insulating outer sheaths of the two cables 3, the sealing rubber rings 15 are respectively arranged at the two ends of the repair shell 1, each sealing ring is provided with two sealing rings 151 arranged along the axial direction at intervals, and when the repair shell is used, the sealing rubber rings 15 can seal gaps between the end part of the repair shell 1 and the insulating outer sheaths of the cables 3. One side of the upper half-shell 11 and the lower half-shell 12 are hinged to each other, and the other side is detachably connected by a snap structure 13. The side where the upper half-shell 11 and the lower half-shell 12 meet is provided with a sealing gasket 16.

When the cable connector is used, the ends of two cables 3 to be connected are inserted into two ends of the line connector 2 respectively, and sequentially pass through the locking nut 22 and the conical elastic sleeve 23 until the ends are inserted into the bottom inside the plug wire hole 211 and are in conductive connection with the middle connector 21, then the locking nut 22 is screwed up relative to the middle connector 21, the end cover of the locking nut 22 can push the conical elastic sleeve 23 to move towards the plug wire hole 211, the conical elastic sleeve 23 can continuously contract inwards along the radial direction under the action of the conical expansion structure at the inlet of the plug wire hole 211, and further the cables 3 penetrating through the conical elastic sleeve are extruded, so that the cables 3 are clamped and fixed on the middle connector, the conducting wires 31 of the two cables 3 are in conductive connection through the middle connector 21, then the repairing shell 1 is closed, so that the line connector 2 is wrapped in the repairing shell 1, and the line repairing insulating.

The utility model discloses circuit repair equipment, the wire of cable junction passes through circuit connector 2 fixed conductive connection, and firm in connection is reliable, and operation standard is unified, and the area of overflowing of junction is great, compresses tightly cable 3 inwards along cable 3 circumference through the elasticity pressure cover, can effectively avoid wire 31 of cable 3 to be damaged by pressure or press and break and influence the electric conductivity property of junction; when the repair shell 1 is used, the cable connection part is coated in the repair shell, and the repair shell is sealed in an all-around manner through the sealing rubber ring 15 and the sealing gasket 16, so that the waterproof and moistureproof performance is good, the strength is high, the repair shell is not easy to damage, the cable can effectively run for a long time after being connected, and the service life of the cable is prolonged.

The middle connecting piece 21 is provided with a nut-shaped positioning boss 212, the repair shell 1 is internally provided with two corresponding positioning baffles 14, and the positioning boss 212 is embedded between the two positioning baffles 14 when in use, so that the positioning baffles 14 axially position the circuit connector 2. The positioning boss 212 is formed in a nut shape to facilitate the tightening operation of the intermediate connecting member 21 and the lock nut 22.

Restore the side that first shell 11 and lower half shell 12 of shell 1 contacted thereby can carry out embedded assembly for the echelonment contact surface 121 of mutually supporting, thereby make the contact surface of first shell 11 and lower half shell 12 be the broken surface, the creepage distance can be increased, effectively prevent that seam crossing from being punctured by the electricity, increase the security performance, and the seam crossing of restoreing the outer wall of shell 1 is less than the seam crossing of inner wall, thereby can further effectively prevent that the rainwater from getting into through seam crossing and restoreing inside shell 1.

The repairing shell 1 is made of bendable insulating materials, and repairing of the connection position of the bent and erected line is facilitated.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The line repairing equipment is characterized by comprising a repairing shell, wherein the repairing shell is of a cylindrical structure with two open ends, a line connector for connecting two cables is arranged in the repairing shell, the line connector comprises a middle connecting piece and two locking screw caps, two ends of the middle connecting piece are respectively provided with a plug wire hole for a lead of the cable to insert and be in conductive connection with the lead wire, the two locking screw caps are respectively in threaded connection with two ends of the middle connecting piece, each locking screw cap is provided with a through hole for the cable to pass through, an inner cavity of each locking screw cap is provided with a conical elastic sleeve, a small-diameter end of each conical elastic sleeve faces to an inlet of each plug wire hole, the inlet of each plug wire hole is of a conical expansion structure, and the inner diameter of the inlet end of each plug wire hole is larger than the outer diameter of a small-; when in use, the two ends of the repair shell are respectively lapped on the insulating outer sheaths of the two cables and are connected with the insulating outer sheaths in a sealing way.

2. The line repair apparatus according to claim 1, wherein the intermediate connection member has a positioning boss, the repair housing has two positioning baffles, and the positioning boss is embedded between the two positioning baffles, so that the positioning baffles axially position the line connector.

3. The line repair apparatus of claim 2, wherein the circumferential side wall of the positioning boss is a hexagonal nut structure.

4. The line repair apparatus of claim 1 wherein the repair housing is of a butt-jointed construction comprising upper and lower half shells, one side of which is hinged to one another and the other side is releasably connected by a snap-fit.

5. The line repair apparatus according to claim 4, wherein the contacting side edges of the upper and lower half-shells are mutually fitted step-like contact surfaces to enable a snap-fit assembly, and the joint position of the outer wall of the repair case is lower than the joint position of the inner wall.

6. The line repair device according to claim 4, wherein a sealing gasket is provided on a side of the upper half shell in contact with a side of the lower half shell.

7. The line repair apparatus according to claim 1, wherein sealing rubber rings are respectively provided in both ends of the repair casing, and the sealing rubber rings can seal a gap between the end of the repair casing and the cable insulating outer sheath in use.

8. The line repair apparatus of claim 7 wherein at least two axially spaced seal rings are provided on each of the seal rings.

9. The line repair apparatus according to claim 1, wherein the repair case is made of a bendable insulating material.