CN216133986U

CN216133986U - Full-recovery type cable welding head

Info

Publication number: CN216133986U
Application number: CN202122984336.4U
Authority: CN
Inventors: 刘耀光; 严琼苗; 罗灿
Original assignee: Hunan Qidi Electric Power Construction Co ltd
Current assignee: Hunan Qidi Electric Power Construction Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-25
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a full-recovery type cable welding head. The fireproof cladding comprises a fireproof cladding, a limiting mechanism and a welding protection mechanism; a wire core is arranged in the fireproof outer cladding layer; the limiting mechanism comprises a first limiting ring, a second limiting ring and a reinforcing ring, a lantern ring is arranged on the left side of the first limiting ring, the lantern ring is sleeved on the fireproof outer cladding layer on the left side, a connecting ring and an extension pipe are respectively arranged on two sides of the second limiting ring, and the reinforcing ring is sleeved in the extension pipe; the welding protection mechanism is installed between the first limiting ring and the second limiting ring, a metal shielding protection layer is arranged between the first limiting ring and the second limiting ring, and the metal shielding protection layer is sleeved outside the wire core. The first limiting ring and the second limiting ring can limit two sides of the welding head main body, so that the welding head main body can move to wrap and protect a welding position conveniently; inner sheath and anchor ring can carry on spacingly to the metallic shield protective layer, and the butt fusion piece can carry out the butt fusion protection to the sinle silk of both sides, improves the butt fusion effect of cable.

Description

Full-recovery type cable welding head

Technical Field

The utility model belongs to the technical field of cable welding, and particularly relates to a full-recovery cable welding head.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating.

The welding head is difficult for spacingly in both ends when the installation on the cable, is difficult for wrapping up the protection to the butt fusion department, and the welding head is stretch-proof and ageing not, and easy in use damages, and the connection between the cable is firm inadequately, and easy fracture, the butt fusion effect is unsatisfactory, influences the connection and the use of cable.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a full-recovery cable fusion joint to solve the problems that two ends of the fusion joint in the prior art are not easy to limit, a fusion joint is not easy to wrap and protect, the fusion joint is not stretch-proof and aging-resistant and is easy to damage in use, the connection between cables is not firm enough and easy to break, the fusion effect is not ideal, and the connection and use of the cables are influenced.

The utility model relates to a full-recovery cable welding head, which comprises a fireproof outer cladding layer, a limiting mechanism and a welding protection mechanism; a wire core is arranged in the fireproof outer cladding layer; the limiting mechanism comprises a first limiting ring, a second limiting ring and a reinforcing ring, a lantern ring is arranged on the left side of the first limiting ring, the lantern ring is sleeved on the fireproof outer cladding layer on the left side, a connecting ring and an extension pipe are respectively arranged on two sides of the second limiting ring, and the reinforcing ring is sleeved in the extension pipe; the welding protection mechanism is installed between the first limiting ring and the second limiting ring, a metal shielding protection layer is arranged between the first limiting ring and the second limiting ring, and the metal shielding protection layer is sleeved outside the wire core.

Further, pass through threaded connection between first spacing collar and the lantern ring, the length of first spacing collar is less than the lantern ring, first spacing collar right side cup joints in the fusion joint main part, fusion joint main part inner chamber left side is provided with the inner sheath, the inner sheath cup joints on the metallic shield protective layer.

Furthermore, a second insulating layer is sleeved outside the inner sheath, the thickness of the second insulating layer is smaller than that of the inner sheath, the diameter of the inner sheath is the same as that of the reinforcing ring, and the reinforcing ring is connected with the second limiting ring through a waterproof layer.

Furthermore, the connecting ring is connected with the side wall of the welding head main body through threads, the diameter of the left side of the second limiting ring is larger than that of the right side of the second limiting ring, and the extending pipe is sleeved on the fireproof outer cladding layer on the right side of the second limiting ring.

Furthermore, the welding protection mechanism comprises a first insulating layer, a welding piece and a contact piece, wherein the bottom of the first insulating layer is compounded with an anti-stretching layer, the top of the first insulating layer is compounded with a corrosion-resistant protective layer through a connecting layer, and the thickness of the corrosion-resistant protective layer is larger than that of the first insulating layer.

Further, the welding piece rigid coupling is on being located left sinle silk, the inside sinle silk that is located the right side that has cup jointed of welding piece, sinle silk and contact piece overlap joint, the equal rigid coupling of contact piece and contact piece is on welding piece inner wall.

The utility model adopts the limiting mechanism and the welding protection mechanism, solves the problems that the two ends of the welding head are not easy to limit when the welding head is installed on the cable, the welding head is not tensile and aging resistant and is easy to damage in use, the connection between the cables is not firm enough and is easy to break, and the connection and the use of the cable are influenced, obtains the advantages that the two ends of the welding head are convenient to limit, the wrapping effect is good, the welding head is not easy to damage in use, the connection of the cable can be reinforced and is not easy to break, and the welding effect of the welding head can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic overall structure diagram of the embodiment of the present invention.

Fig. 3 is a schematic view of a first insulating layer structure according to an embodiment of the utility model.

Fig. 4 is a schematic view of a contact structure according to an embodiment of the utility model.

Fig. 5 is a schematic view illustrating the installation of the reinforcing ring structure according to the embodiment of the present invention.

In the figure: 1. a weld head body; 101. a corrosion-resistant protective layer; 102. a first insulating layer; 103. a stretch resistant layer; 2. a first spacing collar; 3. a collar; 4. a second insulating layer; 5. an inner sheath; 6. a second limit ring; 7. a fire-resistant outer cladding; 8. an extension pipe; 9. a connecting ring; 10. welding a piece; 11. a metal shielding protective layer; 12. a contact piece; 13. a contact block; 14. a waterproof layer; 15. reinforcing rings; 16. and a wire core.

Detailed Description

The utility model is further described below with reference to the figures and examples.

Referring to fig. 1 to 5, the fully-restorable cable fusion splice of the present embodiment includes a fire-proof outer covering 7, a limiting mechanism and a fusion protection mechanism; the wire core 16 is arranged in the fireproof outer cladding layer 7, so that the fireproof outer cladding layer 7 can conveniently wrap and protect the wire core 16; the limiting mechanism comprises a first limiting ring 2, a second limiting ring 6 and a reinforcing ring 15, a lantern ring 3 is arranged on the left side of the first limiting ring 2, the lantern ring 3 is sleeved on a fireproof outer cladding layer 7 on the left side, a connecting ring 9 and an extension pipe 8 are respectively arranged on two sides of the second limiting ring 6, and the reinforcing ring 15 is sleeved inside the extension pipe 8, so that the installation and the limiting of the welding head main body 1 are facilitated; the welding protection mechanism is installed between first spacing collar 2 and second spacing collar 6, is provided with metallic shield protective layer 11 between first spacing collar 2 and the second spacing collar 6, and metallic shield protective layer 11 cup joints in 16 outsides of sinle silk, the metallic shield protective layer 11 of being convenient for and sinle silk 16 be connected.

The first limiting ring 2 is connected with the lantern ring 3 through threads, the length of the first limiting ring 2 is smaller than that of the lantern ring 3, the right side of the first limiting ring 2 is sleeved on the fusion joint main body 1, an inner sheath 5 is arranged on the left side of an inner cavity of the fusion joint main body 1, and the inner sheath 5 is sleeved on the metal shielding protective layer 11, so that the inner sheath 5 can wrap and protect the outer part of the metal shielding protective layer 11 conveniently; a second insulating layer 4 is sleeved outside the inner sheath 5, the thickness of the second insulating layer 4 is smaller than that of the inner sheath 5, the diameter of the inner sheath 5 is the same as that of the reinforcing ring 15, and the reinforcing ring 15 is connected with the second limiting ring 6 through a waterproof layer 14, so that the waterproof layer 14 can increase the sealing effect inside the second limiting ring 6; the connecting ring 9 is connected with the side wall of the welding head main body 1 through threads, the diameter of the left side of the second limiting ring 6 is larger than that of the right side, and the extension pipe 8 is sleeved on the fireproof outer cladding layer 7 on the right side, so that the second limiting ring 6 is conveniently connected with the welding head main body 1; the welding protection mechanism comprises a first insulating layer 102, a welding piece 10 and a contact piece 12, wherein a stretch-resistant layer 103 is compounded at the bottom of the first insulating layer 102, a corrosion-resistant protective layer 101 is compounded at the top of the first insulating layer 102 through a connecting layer, and the thickness of the corrosion-resistant protective layer 101 is larger than that of the first insulating layer 102, so that the welding joint main body 1 can wrap and protect the welding joint; the welding piece 10 is fixedly connected to the wire core 16 located on the left side, the wire core 16 located on the right side is sleeved inside the welding piece 10, the wire core 16 is in lap joint with the contact piece 12 and the contact block 13, and the contact piece 12 and the contact block 13 are fixedly connected to the inner wall of the welding piece 10, so that the wire cores 16 on the two sides can be conveniently connected.

When the utility model is used, firstly, the welding head main body 1 is moved on the fireproof outer cladding 7, the welding piece 10 is leaked, the wire core 16 positioned on the right side is sleeved in the welding piece 10, the conductive coatings are respectively arranged on the sides of the contact piece 12 and the contact block 13 close to the wire core 16, the wire core 16 positioned on the right side is welded, after welding, the welding head main body 1 is moved to wrap the welding piece 10 on the right side, the lantern ring 3 is moved, the first spacing ring 2 is rotated on the lantern ring 3, the inner wall on the right side of the first spacing ring 2 is pressed on the welding head main body 1 to limit the left end of the welding head main body 1, the second spacing ring 6 is rotated to connect the connecting ring 9 with the right side of the welding head main body 1, the reinforcing ring 15 and the waterproof layer 14 are sleeved outside the metal shielding protective layer 11 to ensure the sealing effect on the right side of the welding head main body 1, the corrosion-resistant protective layer 101 is PA66 polycarbonate with the corrosion-resistant coating, the connecting layer between the first insulating layer 102 and the corrosion-resistant protective layer 101 is a heat shrinkable layer, the inside polyurethane resin that contains of stretch-proofing layer 103, fire prevention surrounding layer 7 top layer is provided with fire-retardant coating and can protects fire-retardant protection to fire prevention surrounding layer 7, can set up the hot melt adhesive between 3 left sides of lantern ring and 8 right sides of extension pipe and the fire prevention surrounding layer 7 and consolidate.

The utility model has the advantages that:

(1) the welding head is simple to operate, the first limiting ring 2 and the second limiting ring 6 can limit two sides of the welding head main body 1, the welding head main body 1 can move to wrap and protect a welding position conveniently, the anti-stretching and anti-aging effects of the welding head main body 1 are good, and the overall damage of the welding head main body 1 in use can be reduced.

(2) The cable is reasonable in structure, the inner sheath 5 and the reinforcing ring 15 can limit the metal shielding protective layer 11, the welding piece 10 can perform welding protection on the wire cores 16 on two sides, the contact piece 12 and the contact block 13 can increase the contact area with the wire cores 16, the breakage of the wire cores 16 is reduced, and the welding effect of the cable is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a full recovery formula cable fusion joint which characterized in that: comprises a fireproof outer cladding layer (7), a limiting mechanism and a welding protection mechanism; a wire core (16) is arranged in the fireproof outer cladding layer (7); the limiting mechanism comprises a first limiting ring (2), a second limiting ring (6) and a reinforcing ring (15), a lantern ring (3) is arranged on the left side of the first limiting ring (2), the lantern ring (3) is sleeved on a fireproof outer cladding layer (7) on the left side, a connecting ring (9) and an extension pipe (8) are respectively installed on two sides of the second limiting ring (6), and the reinforcing ring (15) is sleeved inside the extension pipe (8); the welding protection mechanism is installed between the first limiting ring (2) and the second limiting ring (6), a metal shielding protection layer (11) is arranged between the first limiting ring (2) and the second limiting ring (6), and the metal shielding protection layer (11) is sleeved outside the wire core (16).

2. A fully resilient cable fusion splice according to claim 1 and further comprising: through threaded connection between first spacing collar (2) and the lantern ring (3), the length of first spacing collar (2) is less than the lantern ring (3), cup joint on thermojunction main part (1) on first spacing collar (2) right side, thermojunction main part (1) inner chamber left side is provided with inner sheath (5), inner sheath (5) cup joint on metallic shield protective layer (11).

3. A fully resilient cable fusion splice according to claim 2 in which: the outer portion of the inner sheath (5) is sleeved with a second insulating layer (4), the thickness of the second insulating layer (4) is smaller than that of the inner sheath (5), the diameter of the inner sheath (5) is the same as that of the reinforcing ring (15), and the reinforcing ring (15) is connected with the second limiting ring (6) through a waterproof layer (14).

4. A fully resilient cable fusion splice according to claim 1 and further comprising: the connecting ring (9) is connected with the side wall of the welding head main body (1) through threads, the diameter of the left side of the second limiting ring (6) is larger than that of the right side, and the extension pipe (8) is sleeved on the fireproof outer cladding layer (7) on the right side.

5. A fully resilient cable fusion splice according to claim 1 and further comprising: the welding protection mechanism comprises a first insulating layer (102), a welding piece (10) and a contact piece (12), wherein a stretch-resistant layer (103) is compounded at the bottom of the first insulating layer (102), a corrosion-resistant protection layer (101) is compounded at the top of the first insulating layer (102) through a connecting layer, and the thickness of the corrosion-resistant protection layer (101) is larger than that of the first insulating layer (102).

6. The fully recovered cable fusion splice of claim 5, wherein: the butt fusion piece (10) rigid coupling is on being located left sinle silk (16), sinle silk (16) that are located the right side have been cup jointed to butt fusion piece (10) inside, sinle silk (16) and contact piece (12) and contact piece (13) overlap joint, the equal rigid coupling of contact piece (12) and contact piece (13) is on butt fusion piece (10) inner wall.