CN210516315U

CN210516315U - High flame-retardant fire-resistant power cable

Info

Publication number: CN210516315U
Application number: CN201922028260.0U
Authority: CN
Inventors: 雷霆
Original assignee: Jiangsu San'an Cable Co Ltd
Current assignee: Jiangsu San'an Cable Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-12
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a high flame-retardant fire-resistant power cable, which comprises an outer protective layer, wherein a filling layer is arranged inside the outer protective layer, a metal shielding layer is arranged on one side of the filling layer away from the outer protective layer, a shock absorption cushion layer is arranged on one side of the metal shielding layer away from the filling layer, four cable cores are uniformly arranged in the shock absorption cushion layer, cross elastic support columns are arranged among the four cable cores, the outer side of the cable core is provided with a protective shell, one side of the protective shell, which is far away from the cable core, is provided with an inner shock pad, the utility model is provided with a shock absorbing cushion layer, a shock absorbing block, a shock absorbing spring, an outer shock absorbing pad, an inner shock absorbing pad, a cross elastic support column and other structures, under the mutual matching of the structures, the outer side of the cable core protective shell has the function of a perfect damping device, and then can effectively reduce the damage that whole device falls the impact force and causes the cable core from the eminence.

Description

High flame-retardant fire-resistant power cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high fire-retardant fire-resistant power cable.

Background

With the development of society and the progress of science and technology, numerous power plants, metallurgy and petroleum enterprises develop towards large-scale integration, high-rise buildings, public entertainment places, subways, underground streets and the like are continuously emerged, the power consumption of the power plants and the oil plants is increased day by day, wires and cables play an important role, and in order to prevent fire, the high-flame-retardant fire-resistant power cables are provided, but the existing high-flame-retardant fire-resistant power cables still have some defects.

The high flame-retardant and fire-resistant power cable (reference case: CN201821767118.7) in the prior art has the following problems: 1. the cable core in the existing high flame-retardant fireproof power cable is not provided with a perfect damping device, and if the cable core falls from a high place to the ground, the generated impact force can damage the cable core; 2. the cable core of the existing high flame-retardant fire-resistant power cable is not provided with a perfect protection device, cannot be well protected in the using process and is easy to damage.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high fire-retardant fire-resistant power cable has perfect damping device, can effectively reduce whole device and fall the damage that the impact force led to the fact the cable core from the eminence to and the cable core outside has perfect protector, can effectively waterproof anticorrosion prevent wearing and tearing, and the cable core can be protected by better, effectively prolongs its life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a high-flame-retardance fireproof power cable comprises an outer protection layer, wherein a filling layer is arranged inside the outer protection layer, a metal shielding layer is arranged on one side, away from the outer protection layer, of the filling layer, a damping cushion layer is arranged on one side, away from the filling layer, of the metal shielding layer, four cable cores are uniformly arranged inside the damping cushion layer, a cross-shaped elastic support column is arranged among the four cable cores, a protective shell is arranged outside the cable cores, an inner damping pad is arranged on one side, away from the cable cores, of the protective shell, an outer damping pad is arranged on one side, away from the protective shell, of the inner damping pad, a plurality of damping blocks are uniformly fixed between the outer damping pad and the inner damping pad, and damping springs are arranged between adjacent damping;

the protective housing includes protective housing body, water proof coating, anticorrosive protection layer and abrasionproof protective layer, the outside of protective housing body is provided with water proof coating, one side that water proof coating kept away from the protective housing body is provided with anticorrosive protection layer, one side that water proof coating was kept away from to anticorrosive protection layer is provided with the abrasionproof protective layer.

Preferably, the damping cushion layer, the outer damping cushion and the inner damping cushion are all made of rubber.

Preferably, the protective shell body is made of an oil-based polyurethane material.

Preferably, the cross-shaped elastic support column and the outer shock pad are the same in length, and the shock pad layer, the cross-shaped elastic support column and the outer shock pad are arranged in an integrated structure.

Preferably, the material of cross elastic support post and snubber block is the silica gel material setting.

Preferably, the snubber block is the setting of hemispheroid structure, the one end that the snubber block is close to interior shock pad is tangent with interior shock pad, the one end and the outer shock pad laminating of shock pad are kept away from to the snubber block.

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

1. the utility model discloses a set up shock pad layer, snubber block, damping spring, outer shock pad, interior shock pad and cross elastic support post isotructure, under the mutually supporting of these structures, realized that the outside of cable core protective housing has perfect damping device's function, and then can effectively reduce the damage that whole device caused to the cable core from the eminence impact force of falling.

2. The utility model discloses a setting up the protective housing including protective housing body, water proof coating, anticorrosive coating and abrasionproof protective layer, realized that the cable core outside has perfect protector, can effectively waterproof anticorrosion abrasionproof nature, the cable core can be by the function of better protection, and then can effectively prolong the life of cable core, reduces unnecessary economic loss.

Drawings

Fig. 1 is a schematic structural view of the interior of the present invention;

fig. 2 is a schematic structural view of a section of the protective shell of the present invention;

in the figure: 1. an outer jacket; 2. a filling layer; 3. a metal shielding layer; 4. a shock absorbing cushion layer; 5. a cable core; 6. a damper block; 7. a damping spring; 8. an outer cushion pad; 9. an inner cushion; 10. a protective shell; 101. a protective shell body; 102. a waterproof protective layer; 103. an anti-corrosion protective layer; 104. an anti-abrasion protective layer; 11. a cross-shaped elastomeric support column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-2, the present invention provides the following technical solutions: a high-flame-retardance fireproof power cable comprises an outer protection layer 1, a filling layer 2 is arranged inside the outer protection layer 1, a metal shielding layer 3 is arranged on one side, away from the outer protection layer 1, of the filling layer 2, a damping cushion layer 4 is arranged on one side, away from the filling layer 2, of the metal shielding layer 3, four cable cores 5 are uniformly arranged inside the damping cushion layer 4, cross-shaped elastic support columns 11 are arranged among the four cable cores 5, a protective shell 10 is arranged outside the cable cores 5, an inner damping cushion 9 is arranged on one side, away from the cable cores 5, of the protective shell 10, an outer damping cushion 8 is arranged on one side, away from the protective shell 10, of the inner damping cushion 9, a plurality of damping blocks 6 are uniformly fixed between the outer damping cushion 8 and the inner damping cushion 9, and damping;

protective housing 10 includes protective housing body 101, waterproof layer 102, anticorrosive protective layer 103 and abrasionproof protective layer 104, and the outside of protective housing body 101 is provided with waterproof layer 102, and one side that protective housing body 101 was kept away from to waterproof layer 102 is provided with anticorrosive protective layer 103, and one side that waterproof layer 102 was kept away from to anticorrosive protective layer 103 is provided with abrasionproof protective layer 104.

In order to have a better damping effect, in this embodiment, it is preferable that the damping cushion layer 4, the outer damping cushion 8 and the inner damping cushion 9 are made of rubber.

In order to have better waterproof performance, in this embodiment, it is preferable that the protective shell body 101 is made of an oil-based polyurethane material.

In order to have better shock-absorbing function and the whole device can be more stable, in this embodiment, preferably, the cross-shaped elastic support columns 11 and the outer shock-absorbing pad 8 have the same length, and the shock-absorbing pad layer 4, the cross-shaped elastic support columns 11 and the outer shock-absorbing pad 8 are arranged in an integrated structure.

Support effect is better in order to have better shock attenuation effect simultaneously, and in this embodiment, it is preferred, the material of cross elastic support post 11 and snubber block 6 is the setting of silica gel material.

For the snubber block 6 can be when playing the shock attenuation effect stably place, in this embodiment, preferred, snubber block 6 is the setting of hemispheroid structure, and snubber block 6 is close to the one end of interior shock pad 9 and tangent with interior shock pad 9, and the one end and the outer 8 laminatings of shock pad of interior shock pad 9 are kept away from to snubber block 6.

The utility model discloses a theory of operation and use flow: when the utility model is used, under the action of the outer protective layer 1, the filling layer 2 and the metal shielding layer 3, the device has good flame-retardant and fire-resistant performance, the protective shell body 101 effectively protects the cable core 5, the waterproof protective layer 102 can play a waterproof role, the anticorrosion protective layer 103 can play an anticorrosion role, the abrasion-resistant protective layer 104 can play an abrasion-resistant role, so as to better protect the cable core 5 in all directions, when the device is used outdoors, if the whole device falls from high altitude, at the moment of landing, the generated shock is effectively weakened under the action of the shock-absorbing cushion layer 4 and the cross-shaped elastic supporting column 11 (meanwhile, the cross-shaped elastic supporting column 11 can play a supporting role), and then, under the action of the shock-absorbing blocks 6 and the shock-absorbing springs 7 (under the auxiliary action of the outer shock-absorbing cushion 8 and the inner shock-absorbing cushion 9), the shock generated by the shock force is reduced to the lowest, the cable core 5 inside the protective case 10 is effectively protected.

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. A high flame-retardant and fire-resistant power cable comprises an outer protective layer(s) ((₁) The method is characterized in that: a filling layer (2) is arranged inside the outer protective layer (1), a metal shielding layer (3) is arranged on one side of the filling layer (2) far away from the outer protective layer (1), a shock absorption cushion layer (4) is arranged on one side of the metal shielding layer (3) far away from the filling layer (2), four cable cores (5) are uniformly arranged in the shock absorption cushion layer (4), cross elastic support columns (11) are arranged among the four cable cores (5), a protective shell (10) is arranged on the outer side of the cable core (5), an inner shock pad (9) is arranged on one side of the protective shell (10) far away from the cable core (5), an outer shock pad (8) is arranged on one side of the inner shock pad (9) far away from the protective shell (10), a plurality of damping blocks (6) are uniformly fixed between the outer damping pad (8) and the inner damping pad (9), and damping springs (7) are arranged between the adjacent damping blocks (6);

protective housing (10) is including protective housing body (101), waterproof layer (102), anticorrosive protection layer (103) and abrasionproof protective layer (104), the outside of protective housing body (101) is provided with waterproof layer (102), one side that protective housing body (101) were kept away from in waterproof layer (102) is provided with anticorrosive protection layer (103), one side that waterproof layer (102) were kept away from in anticorrosive protection layer (103) is provided with abrasionproof protective layer (104).

2. A high flame-retardant fire-resistant power cable according to claim 1, characterized in that: the damping cushion layer (4), the outer damping cushion (8) and the inner damping cushion (9) are all made of rubber.

3. A high flame-retardant fire-resistant power cable according to claim 1, characterized in that: the protective housing body (101) is made of oil-based polyurethane.

4. A high flame-retardant fire-resistant power cable according to claim 1, characterized in that: the length of cross elastic support post (11) and outer shock pad (8) is the same, shock pad layer (4), cross elastic support post (11) and outer shock pad (8) structure setting as an organic whole.

5. According to claim₁The high flame-retardant fire-resistant power cable is characterized in that: the material of cross elastic support post (11) and snubber block (6) is the silica gel material setting.

6. A high flame-retardant fire-resistant power cable according to claim 1, characterized in that: the damping block (6) is arranged in a hemispherical structure, one end, close to the inner damping pad (9), of the damping block (6) is tangent to the inner damping pad (9), and one end, far away from the inner damping pad (9), of the damping block (6) is attached to the outer damping pad (8).