CN215527290U

CN215527290U - Long-life cable

Info

Publication number: CN215527290U
Application number: CN202122242280.5U
Authority: CN
Inventors: 孙中奇
Original assignee: Shanghai Changshun Elevator Cable Co ltd
Current assignee: Shanghai Changshun Elevator Cable Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-14
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a cable with long service life, which comprises: the cable comprises a cable, a PE wire is arranged in the middle of the inside of the cable, a lantern ring is sleeved outside the PE wire, a fixing plate is fixed on the outer wall of the lantern ring, a supporting plate is fixed on the outer wall of the top end of the fixing plate, an electric wire is arranged on the inner side of the fixing plate, and a stranded copper wire penetrates through the inside of the electric wire; the cable comprises a first protection layer, a first flame-retardant layer and a first wear-resistant layer, wherein the first protection layer is arranged on the innermost layer of the cable, the first flame-retardant layer is laid on the outer side of the first protection layer, and the outer side of the first flame-retardant layer is annularly sleeved with the first wear-resistant layer. This cable of high life is provided with the lantern ring, and the lantern ring passes through the fixed backup pad of fixed plate on the outer wall and fixed plate top, can be better provide structural support to the cable, protects the circularity of cable through the backup pad, has reduced the use of the inside stopping of cable, avoids using the potential safety hazard that probably causes because of the stopping, and does not influence the bendability of cable self.

Description

Long-life cable

Technical Field

The utility model relates to the technical field of cables, in particular to a cable with a long service life.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. Generally, to extend the useful life of a cable, it is necessary to protect it both externally and internally, to reduce the external damage to the cable and to retard internal aging.

The cable in the market is usually filled in gaps of internal components of the cable by various fillers in use, the production cost of the cable is increased due to the use of the fillers, potential safety hazards are easily generated in the use of the cable due to unqualified fillers, and therefore the cable with the long service life is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable with a long service life, and aims to solve the problems that the cable in the market proposed in the background art is filled in gaps of internal components of the cable by various fillers in use, the use of the fillers increases the production cost of the cable, and potential safety hazards are easily caused in use of the cable due to unqualified fillers.

In order to achieve the purpose, the utility model provides the following technical scheme: a high life cable comprising:

the cable comprises a cable, a PE wire is arranged in the middle of the inside of the cable, a lantern ring is sleeved outside the PE wire, a fixing plate is fixed on the outer wall of the lantern ring, a supporting plate is fixed on the outer wall of the top end of the fixing plate, an electric wire is arranged on the inner side of the fixing plate, and a stranded copper wire penetrates through the inside of the electric wire;

the cable comprises a first protective layer, a second protective layer and a third protective layer, wherein the first protective layer is arranged on the innermost layer of the cable, a first flame-retardant layer is laid on the outer side of the first protective layer, and a first wear-resistant layer is sleeved on the outer side of the first flame-retardant layer in a surrounding mode;

the second protective layer is arranged on the innermost layer of the electric wire, the outer side of the second protective layer is coated with a second flame-retardant layer, and a second wear-resistant layer is laid on the outer side of the second flame-retardant layer.

Preferably, the lantern ring is equidistant evenly distributed along the outer surface of PE silk, and the fixed plate sets up about the axis position symmetry of lantern ring to constitute T font structure between backup pad and the fixed plate, closely laminate between the inner surface of the surface of backup pad and cable simultaneously.

Preferably, the outer surface of the first protective layer and the inner surface of the first flame-retardant layer are tightly attached, and the outer surface of the first flame-retardant layer and the inner surface of the first wear-resistant layer are tightly attached.

Preferably, the outer surface of the stranded copper wire is tightly attached to the inner surface of the second protective layer, the second protective layer is tightly attached to the second flame-retardant layer, and the second flame-retardant layer is tightly attached to the second wear-resistant layer.

Preferably, the cable is further provided with:

the snap ring is sleeved outside the cable in a sleeved mode, and the outer wall of the snap ring is provided with a fixing groove.

Preferably, be adhesive connection between snap ring and the cable, and the snap ring is equidistance evenly distributed along the outer wall of cable to the fixed slot is closed to the axis position symmetry setting of snap ring.

Preferably, the snap ring is further provided with:

the base, it is installed the lower extreme of snap ring, the inner wall of base is fixed with the fixed block, and the fixed block inlays and is adorned inside the fixed slot, the lower extreme welding of base has the inserted bar.

Preferably, the base passes through to constitute the block structure between fixed block and fixed slot and the snap ring, and the axis position coincidence of base and inserted bar.

Compared with the prior art, the utility model has the beneficial effects that: this cable of high life is provided with the lantern ring, and the lantern ring passes through the fixed backup pad of fixed plate on the outer wall and fixed plate top, can be better provide structural support to the cable, protects the circularity of cable through the backup pad, has reduced the use of the inside stopping of cable, avoids using the potential safety hazard that probably causes because of the stopping, and does not influence the bendability of cable self.

The first protective layer, first fire-retardant layer, first wearing layer, second protective layer, the fire-retardant layer of second and the second wearing layer that set up all use and do not have the halogen-free polymer to constitute, and no toxic corrosive gas produces during the burning, and the smoke and dust is less, and is safer when using in closed space, reduces the potential safety hazard that causes because of the circuit is on fire.

The arranged clamp ring can provide a protection function for the cable from the outside, when the cable is bonded with the clamp ring and is impacted, the clamp ring can counteract a part of acting force through the self structure, so that the pulling force of the cable generated by stress is reduced, the damage to the cable is reduced, and the service life of the cable is prolonged; the base that sets up is arranged in the fixed of cable and snap ring, and the base passes through the inserted bar to be fixed in the trompil or the foundation ditch of installation face, and the firm difficult aversion of placing, and when the cable receives wind on the base under outdoor conditions and scrapes with sleet and erode, the base can make the gravity that the cable bore bigger through supporting, makes the suitability of cable stronger.

Drawings

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

FIG. 2 is a schematic cross-sectional perspective view of the present invention;

FIG. 3 is a schematic cross-sectional perspective view of a cable according to the present invention;

FIG. 4 is a schematic cross-sectional perspective view of the electrical wire of the present invention;

FIG. 5 is an enlarged perspective view of a portion of the collar of the present invention;

fig. 6 is a perspective view of a snap ring and base portion of the present invention.

In the figure: 1. a cable; 2. PE filaments; 3. a collar; 4. a fixing plate; 5. a support plate; 6. an electric wire; 7. twisting a copper wire; 8. a first protective layer; 9. a first flame retardant layer; 10. a first wear resistant layer; 11. a second protective layer; 12. a second flame retardant layer; 13. a second wear layer; 14. a snap ring; 15. fixing grooves; 16. a base; 17. a fixed block; 18. and (4) inserting the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a high life cable comprising: the cable comprises a cable 1, wherein a PE wire 2 is arranged in the middle of the inside of the cable 1, a lantern ring 3 is sleeved outside the PE wire 2, a fixing plate 4 is fixed on the outer wall of the lantern ring 3, a supporting plate 5 is fixed on the outer wall of the top end of the fixing plate 4, an electric wire 6 is arranged on the inner side of the fixing plate 4, and a stranded copper wire 7 penetrates through the inside of the electric wire 6; the lantern ring 3 is uniformly distributed along the outer surface of the PE wire 2 at equal intervals, the fixing plate 4 is symmetrically arranged relative to the central axis of the lantern ring 3, a T-shaped structure is formed between the supporting plate 5 and the fixing plate 4, and meanwhile, the outer surface of the supporting plate 5 is tightly attached to the inner surface of the cable 1; the backup pad 5 that fixes through fixed plate 4 on the outer wall of the lantern ring 3 that sets up can be better provides structural support to cable 1, protects cable 1's circularity through backup pad 5, has reduced the use of the inside stopping of cable 1, avoids using the potential safety hazard that probably causes because of the stopping, and does not influence the bendability of cable 1 self.

Referring to fig. 3, a long-life cable includes: the cable comprises a first protective layer 8, a first flame-retardant layer 9 and a first wear-resistant layer 10, wherein the first protective layer 8 is arranged on the innermost layer of the cable 1, the first flame-retardant layer 9 is laid on the outer side of the first protective layer 8, and the outer side of the first flame-retardant layer 9 is sleeved with the first wear-resistant layer in a surrounding mode; the outer surface of the first protective layer 8 is tightly attached to the inner surface of the first flame-retardant layer 9, and the outer surface of the first flame-retardant layer 9 is tightly attached to the inner surface of the first wear-resistant layer 10; the first protective layer 8, the first flame-retardant layer 9 and the first wear-resistant layer 10 that set up all use halogen-free polymer to constitute, and no poisonous corrosive gas produces during the burning, and the smoke and dust is less, and is safer when using in closed space, reduces because of the potential safety hazard that the circuit caused on fire.

Referring to fig. 4, a long-life cable includes: a second protective layer 11 arranged at the innermost layer of the electric wire 6, wherein a second flame-retardant layer 12 is coated on the outer side of the second protective layer 11, and a second wear-resistant layer 13 is laid on the outer side of the second flame-retardant layer 12; the outer surface of the stranded copper wire 7 is tightly attached to the inner surface of the second protective layer 11, the second protective layer 11 is tightly attached to the second flame-retardant layer 12, and the second flame-retardant layer 12 is tightly attached to the second wear-resistant layer 13; the second protective layer 11, the second flame-retardant layer 12 and the second wear-resistant layer 13 which are arranged are all made of halogen-free polymers, no toxic corrosive gas is generated during combustion, smoke dust is small, the use is safer in a closed space, and potential safety hazards caused by line fire are reduced.

Referring to fig. 5-6, a high life cable includes: the clamp ring 14 is sleeved outside the cable 1, and a fixing groove 15 is formed in the outer wall of the clamp ring 14; the clamping ring 14 is in adhesive connection with the cable 1, the clamping ring 14 is uniformly distributed along the outer wall of the cable 1 at equal intervals, and the fixing grooves 15 are symmetrically arranged relative to the central axis of the clamping ring 14; the arranged clamping ring 14 can provide a protection function for the cable 1 from the outside, when the cable 1 is adhered with the clamping ring 14 and is impacted, the clamping ring 14 can counteract a part of acting force through the structure of the clamping ring, so that the pulling force generated by the cable 1 due to stress is reduced, the damage to the cable 1 is reduced, and the service life of the cable 1 is prolonged; a base 16 installed at the lower end of the snap ring 14, wherein a fixed block 17 is fixed on the inner wall of the base 16, the fixed block 17 is embedded in the fixed groove 15, and an insertion rod 18 is welded at the lower end of the base 16; the base 16 forms a clamping structure with the snap ring 14 through the fixing block 17 and the fixing groove 15, and the central axis positions of the base 16 and the inserted rod 18 are overlapped; the base 16 that sets up is used for fixing of cable 1 and snap ring 14, and base 16 passes through inserted bar 18 to be fixed in the trompil or the foundation ditch of installation face, and the firm difficult aversion of placing, and when cable 1 received wind to scrape and rain and snow to corrode on base 16 under outdoor conditions, base 16 can make the gravity that cable 1 bore bigger through supporting, makes cable 1's suitability stronger.

The working principle is as follows: for the cable with long service life, when the cable is installed, a base 16 of the cable is buried at a construction site, an inserted rod 18 at the lower end of the base 16 is buried on the ground of the construction site or is clamped and fixed in an opening formed by a drill bit, so that the base 16 is stably arranged on the construction site without displacement, the cable 1 is clamped with a clamping ring 14 fixedly bonded on the outer wall and a fixing groove 15 formed on the outer wall of the clamping ring 14 and a fixing block 17 fixed on the inner wall of the base 16, so that the cable 1 is fixed on the base 16, the external intrusion resistance of the fixed cable 1 is improved, part of external force is transmitted to the base 16 through the clamping ring 14 to be resisted when collision or wind and sand invasion is met, the acting force applied on the cable 1 is reduced, the service life of the cable 1 under the outdoor environment can be effectively prolonged, and then the outermost first wear-resistant layer 10 of the outermost layer of the cable 1 and the outermost second wear-resistant layer 13 of the electric wire 6 are made of halogen-free TPU polyether material, the cable 1 and the electric wire 6 are protected on the outermost layer, the first flame-retardant layer 9 on the inner side of the first wear-resistant layer 10 and the second flame-retardant layer 12 on the inner side of the second wear-resistant layer 13 are made of halogen-free PE materials, little burning smoke is generated during fire, no toxic corrosive gas is generated, the first protective layer 8 on the inner side of the first flame-retardant layer 9 and the second protective layer 11 on the inner side of the second wear-resistant layer 13 are coated by low-smoke halogen-free flame-retardant tapes, good protection can be provided for internal components, low smoke and fire is prevented, finally, the whole PE wire 2 penetrates through the middle part inside the cable 1, the lantern ring 3 and the fixed plate 4 which are uniformly sleeved outside the PE wire 2 and the supporting plate 5 fixed at the top end of the fixed plate 4 are used for enabling the arc-shaped supporting plate 5 to provide good structural support for the cable 1, the roundness of the cable 1 is protected, and the use of fillers is reduced, the production cost is saved, and the stranded copper wire 7 coated inside the electric wire 6 can better conduct electric energy and provide an electric power transmission function.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high life cable, comprising:

the cable comprises a cable (1), wherein a PE wire (2) is arranged in the middle of the inside of the cable (1), a lantern ring (3) is sleeved outside the PE wire (2), a fixing plate (4) is fixed on the outer wall of the lantern ring (3), a supporting plate (5) is fixed on the outer wall of the top end of the fixing plate (4), an electric wire (6) is arranged on the inner side of the fixing plate (4), and a stranded copper wire (7) penetrates through the inside of the electric wire (6);

the cable comprises a first protective layer (8) arranged on the innermost layer of the cable (1), a first flame-retardant layer (9) is laid on the outer side of the first protective layer (8), and a first wear-resistant layer (10) is sleeved on the outer side of the first flame-retardant layer (9) in a surrounding mode;

the second protective layer (11) is arranged on the innermost layer of the electric wire (6), a second flame-retardant layer (12) is coated on the outer side of the second protective layer (11), and a second wear-resistant layer (13) is laid on the outer side of the second flame-retardant layer (12).

2. A high lifetime cable as claimed in claim 1, wherein: lantern ring (3) are equidistance evenly distributed along the surface of PE silk (2), and fixed plate (4) set up about the axis position symmetry of lantern ring (3) to constitute T font structure between backup pad (5) and fixed plate (4), closely laminate between the surface of backup pad (5) and the internal surface of cable (1) simultaneously.

3. A high lifetime cable as claimed in claim 1, wherein: the outer surface of the first protective layer (8) is tightly attached to the inner surface of the first flame-retardant layer (9), and the outer surface of the first flame-retardant layer (9) is tightly attached to the inner surface of the first wear-resistant layer (10).

4. A high lifetime cable as claimed in claim 1, wherein: the outer surface of the stranded copper wire (7) is tightly attached to the inner surface of the second protective layer (11), the second protective layer (11) is tightly attached to the second flame-retardant layer (12), and the second flame-retardant layer (12) is tightly attached to the second wear-resistant layer (13).

5. A high lifetime cable as claimed in claim 1, wherein: the cable (1) is further provided with:

the clamping ring (14) is sleeved outside the cable (1) in a sleeved mode, and a fixing groove (15) is formed in the outer wall of the clamping ring (14).

6. A high lifetime cable as claimed in claim 5, wherein: for adhesive connection between snap ring (14) and cable (1), and snap ring (14) are equidistance evenly distributed along the outer wall of cable (1) to fixed slot (15) set up about the axis position symmetry of snap ring (14).

7. A high lifetime cable as claimed in claim 5, wherein: the snap ring (14) is further provided with:

the base (16) is installed at the lower end of the clamping ring (14), a fixing block (17) is fixed to the inner wall of the base (16), the fixing block (17) is embedded inside the fixing groove (15), and an inserting rod (18) is welded to the lower end of the base (16).

8. A high life cable according to claim 7, wherein: the base (16) forms a clamping structure through the fixing block (17), the fixing groove (15) and the clamping ring (14), and the central axis positions of the base (16) and the inserted rod (18) coincide.