CN212322700U

CN212322700U - Multilayer structural cable for bridge

Info

Publication number: CN212322700U
Application number: CN202021157192.4U
Authority: CN
Inventors: 王柏松; 王金平; 苏运柱; 程国华; 张晓晨
Original assignee: Tianjin Youhui Wire And Cable Co ltd
Current assignee: Tianjin Youhui Wire And Cable Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-08
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to the technical field of cables, and a multilayer structural formula cable for bridge is disclosed, including oversheath, inner sheath and cable core, the inner sheath intracavity is provided with the filling layer, and the filling layer includes elastic support, elasticity extension board and elastic layer, and the cable core setting is in elastic support, and there are primary waterproof layer, wearing layer, steel wire weaving layer, insulating layer, second grade waterproof layer and shielding layer from outside to inside fixed mounting in proper order between oversheath inner wall and the resistant cover outer wall. This multilayer structural formula cable for bridge, through set gradually primary waterproof layer between outer sheath and inner sheath, the wearing layer, the steel wire weaving layer, the insulating layer, the second grade waterproof layer, shielding layer and wear-resistant cover, the use of mutually supporting between the multilayer has been realized, the cable not only improves the waterproof nature and the resistance to compression resistance to wear of cable for bridge from outside to inside, and improved the life of cable for bridge, reduce the number of times of changing and maintaining cable for bridge, the cost of government and enterprise has reduced, stronger practicality has.

Description

Multilayer structural cable for bridge

Technical Field

The utility model relates to the technical field of cables, specifically be multilayer structural formula cable for bridge.

Background

The electric wire cable is a wire product for transmitting electric energy, electric signals and realizing electromagnetic energy conversion, the cable usually consists of a cable core for transmitting electric energy or electric signals and a sheath for protecting and insulating, and the cable which only comprises one cable core and has a thinner diameter is usually called as an electric wire. There are also some electric wires without an insulating sheath, called bare wires, in which the core is made of a metal material with good electrical conductivity, usually copper (good electrical conductivity) or aluminum (low cost). The cable has various uses and types, and generally, building cables, bridge cables and the like are common.

Because the requirement of bridge cable service environment and operational environment, must have multilayer and multiple protection effect to inside cable core, not only will have good waterproof nature, but also must have good resistance to compression, wear-resisting and effect such as high strength, just can guarantee the long-term use of exposing in the external world of bridge cable, the cable is generally designed comparatively simply for the bridge of prior art, can't guarantee to play good protection effect to the bridge cable, when receiving strong wind or extrusion force toward the cable external world, the problem of damage or even damage appears easily in the bridge cable, toughness and intensity lead to need regularly to change and maintain the bridge cable inadequately, government and enterprise's cost has been increased. Therefore, in order to solve the above problems, it is necessary to provide a multilayer structural type cable for a bridge.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a multilayer structural formula cable for bridge, possess the utility model discloses simple structure, the cable not only improves the waterproof nature and the resistance to compression abrasiveness of cable for bridge from outside to inside, and the life of cable for bridge has been improved, reduce the number of times of changing and maintaining cable for bridge, the cost of government and enterprise has been reduced, advantages such as stronger practicality have, it is comparatively simple to have solved the general design of cable for bridge of prior art, can't guarantee to play good protection effect to the bridge cable, when receiving big wind-force or extrusion force toward the cable external, the problem of damage or even damage appears easily in the bridge cable, toughness and intensity lead to needing regularly to change and maintain the bridge cable inadequately, the problem of the cost of government and enterprise has been increased.

(II) technical scheme

In order to realize the above-mentioned the utility model provides a simple structure, the cable not only improves the waterproof nature and the resistance to compression resistance to wear of cable for the bridge from outside to inside, has improved the life of cable for the bridge moreover, reduces the number of times of changing and maintaining cable for the bridge, has reduced the cost of government and enterprise, has the purpose of stronger practicality, the utility model provides a following technical scheme: multilayer structural formula cable for bridge, including the oversheath, inner sheath and cable core, the inner sheath sets up in the oversheath intracavity, the cable core sets up in the oversheath intracavity, be provided with the filling layer in the inner sheath intracavity, the filling layer includes elastic support, elasticity extension board and elastic layer, the cable core sets up in elastic support, elastic layer fills in elastic support intracavity and between inner sheath inner wall and the elastic support outer wall, the inner sheath outer wall is provided with resistant friction cover, from outer to interior fixed mounting in proper order has primary waterproof layer between outer sheath inner wall and the resistant friction cover outer wall, the layer of wear-resisting, the steel wire weaving layer, the insulating layer, secondary waterproof layer and shielding layer, and the layer of wear-resisting, be provided with the braided steel wire between steel wire weaving layer and the insulating layer.

Preferably, the elastic support is the assembly, and the elastic support comprises the triangular support of a regular triangle, the corner support and three inside support of three V word shape, and the three top fixed mounting of triangular support just forms the effect of holding power to the inner sheath on the inner sheath inner wall, and three corner support fixed mounting just the top and the inner sheath inner wall fixed connection of three corner support on the three limit outer wall of triangular support, three inside support fixed mounting just correspond each other with three corner support on two adjacent limits in the triangular support intracavity.

Preferably, six limit tops of elasticity extension board are fixed mounting respectively on the inner wall of A-frame and three inside support, and cable core fixed mounting is between A-frame and corner support and inside support and elasticity layer wraps up the cable core.

Preferably, antifriction cover is including antifriction layer, trapezoidal reinforcing block and wire net, and trapezoidal reinforcing block fixed mounting is between antifriction layer inner wall and inner sheath outer wall, and the wire net is filled between two adjacent trapezoidal reinforcing blocks.

Preferably, the woven steel wire comprises warp and weft, the warp vertically penetrates through the wear-resistant layer, the steel wire woven layer and the heat-insulating layer from top to bottom in sequence, and the weft respectively penetrates through the primary waterproof layer and the wear-resistant layer, the wear-resistant layer and the steel wire woven layer, the steel wire woven layer and the heat-insulating layer, and the heat-insulating layer and the secondary waterproof layer from front to back.

Preferably, the warp and the weft are mutually interpenetrated and fixedly connected together.

(III) advantageous effects

Compared with the prior art, the utility model provides a multilayer structural formula cable for bridge possesses following beneficial effect:

1. this multilayer structural formula cable for bridge, through set gradually primary waterproof layer between outer sheath and inner sheath, the wearing layer, the steel wire weaving layer, the insulating layer, the second grade waterproof layer, shielding layer and wear-resistant cover, the use of mutually supporting between the multilayer has been realized, the cable not only improves the waterproof nature and the resistance to compression resistance to wear of cable for bridge from outside to inside, and improved the life of cable for bridge, reduce the number of times of changing and maintaining cable for bridge, the cost of government and enterprise has reduced, stronger practicality has.

2. This multilayer structural formula cable for bridge, through setting up elastic support, the A-frame has stronger stability, has improved protection and the buffering effect to the inside cable core of inner sheath, and corner support and inside support play the result of use of cooperation A-frame, not only further increase the stability between the triangle, separate the mutual interval of cable core moreover, avoid receiving external extrusion each other between the cable core and lead to the damaged problem of friction, improve the protection effect to the cable core.

3. This multilayer structural formula cable for bridge weaves the copper wire through the setting, and warp and weft realize weaving between wearing layer, steel wire weaving layer and the insulating layer and be a whole, improve toughness and intensity between oversheath inner wall and the inner sheath outer wall, have realized the resistance to compression and the ability of wear of improvement bridge cable that can be better, further extend bridge cable's life, have stronger practicality.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the point C in fig. 1 according to the present invention.

In the figure: 1. an outer sheath; 2. an inner sheath; 3. a cable core; 4. a filling layer; 5. an elastic support; 501. a triangular bracket; 502. a corner bracket; 503. an inner support; 6. an elastic support plate; 7. an elastic layer; 8. Wear-resistant sleeves; 801. a wear resistant layer; 802. a trapezoidal reinforcing block; 803. steel wire mesh; 9. a primary water barrier; 10. A wear-resistant layer; 11. a steel wire braid layer; 12. a thermal insulation layer; 13. a secondary waterproof layer; 14. a shielding layer; 15. Weaving steel wires; 1501. warp threads; 1502. and a weft thread.

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. 1-4, the present invention provides a technical solution: a cable for a multi-layer structural type bridge comprises an outer sheath 1, an inner sheath 2 and a cable core 3, wherein the inner sheath 2 is arranged in a cavity of the outer sheath 1, the cable core 3 is arranged in a cavity of the inner sheath 2, a filling layer 4 is arranged in the cavity of the inner sheath 2, the filling layer 4 comprises an elastic support 5, an elastic support plate 6 and an elastic layer 7, the cable core 3 is arranged in the elastic support 5, the elastic layer 7 is filled in the cavity of the elastic support 5 and between the inner wall of the inner sheath 2 and the outer wall of the elastic support 5, the elastic support 5 is a combined body, the elastic support 5 comprises a regular triangular support 501, three V-shaped corner supports 502 and three inner supports 503, three top ends of the triangular support 501 are fixedly arranged on the inner wall of the inner sheath 2 and form a supporting force effect on the inner sheath 2, the three corner supports 502 are fixedly arranged on the outer walls of three sides of the triangular support 501, and the top ends of the three corner, three inside support 503 fixed mounting is on two adjacent limits in the A-frame 501 intracavity and correspond each other with three corner support 502, six limit tops of elastic support board 6 are fixed mounting respectively on the inner wall of A-frame 501 and three inside support 503, cable core 3 fixed mounting is between A-frame 501 and corner support 502 and inside support 503 and elastic layer 7 wraps up cable core 3, elastic support 5 adopts resin material to make and forms, inner sheath 2 outer wall is provided with antifriction cover 8, antifriction cover 8 includes antifriction layer 801, trapezoidal boss 802 and wire net 803, trapezoidal boss 802 fixed mounting is between antifriction layer 801 inner wall and inner sheath 2 outer wall, wire net 803 is filled between two adjacent trapezoidal boss 802, antifriction layer 801 and inner sheath 2 all adopt butyl rubber to make and form, trapezoidal boss 802 is the metal material, outer sheath 1 inner wall and antifriction cover 8 outer wall have set gradually primary waterproof layer 9 from outside to inside, Wear-resistant layer 10, steel wire weaving layer 11, insulating layer 12, secondary waterproof layer 13 and shielding layer 14, shielding layer 14 has the tinned copper foil to make and forms, insulating layer 12 adopts the polyester fiber preparation to form, primary waterproof layer 9 and secondary waterproof layer 13 all adopt the polyethylene material preparation to form, and wear-resistant layer 10, be provided with between steel wire weaving layer 11 and the insulating layer 12 and weave copper wire 15, it includes warp 1501 and weft 1502 to weave copper wire 15, warp 1501 vertically runs through wear-resistant layer 10 from top to bottom in proper order, steel wire weaving layer 11 and insulating layer 12, weft 1502 sets up respectively between primary waterproof layer 9 and wear-resistant layer 10, between wear-resistant layer 10 and steel wire weaving layer 11, steel wire weaving layer 11 and insulating layer 12 and secondary waterproof layer 13, warp 1501 and weft 1502 alternate each other and fixed connection.

When in use, the primary waterproof layer 9, the wear-resistant layer 10, the steel wire braid layer 11, the heat-insulating layer 12, the secondary waterproof layer 13, the shielding layer 14 and the wear-resistant sleeve 8 are sequentially arranged between the outer sheath 1 and the inner sheath 2, so that the multi-layer mutual cooperation use is realized, the waterproof property, the compression resistance and the wear resistance of the cable for the bridge are improved from outside to inside, the service life of the cable for the bridge is prolonged, the frequency of replacing and maintaining the cable for the bridge is reduced, the cost of governments and enterprises is reduced, the practicability is high, the triangular support 501 has high stability by arranging the elastic support 5, the protection and the buffering effect of the cable core 3 in the inner sheath 2 are improved, the corner support 502 and the inner support 503 play a using effect of matching the triangular support 501, the stability between triangles is further improved, and the cable cores 3 are separated from each other, avoid receiving external extrusion each other between the cable core 3 and lead to the damaged problem of friction, improve the protective effect to cable core 3, weave copper wire 15 through the setting, warp 1501 and weft 1502 realize with wearing layer 10, weave between steel wire weaving layer 11 and the insulating layer 12 and be a whole, toughness and intensity between 1 inner wall of oversheath and the 2 outer walls of inner sheath are improved, the resistance to compression and the ability of wearing resistance of improvement bridge cable that can be better have been realized, further extend bridge cable's life, stronger practicality has.

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. Multilayer structural formula type cable for bridge, including oversheath (1), inner sheath (2) and cable core (3), its characterized in that: the inner sheath (2) is arranged in the cavity of the outer sheath (1), the cable core (3) is arranged in the cavity of the inner sheath (2), a filling layer (4) is arranged in the cavity of the inner sheath (2), the filling layer (4) comprises an elastic support (5), an elastic support plate (6) and an elastic layer (7), the cable core (3) is arranged in the elastic support (5), the elastic layer (7) is filled in the cavity of the elastic support (5) and between the inner wall of the inner sheath (2) and the outer wall of the elastic support (5), the outer wall of the inner sheath (2) is provided with a wear-resistant sheath (8), a primary waterproof layer (9), a wear-resistant layer (10), a steel wire (11), a heat insulation layer (12), a secondary waterproof layer (13) and a shielding layer (14) are fixedly arranged between the inner wall of the outer sheath (1) and the outer wall of the wear, and a braided steel wire (15) is arranged among the anti-wear layer (10), the steel wire braided layer (11) and the heat-insulating layer (12).

2. The cable for a multilayer structural type bridge as set forth in claim 1, wherein: elastic support (5) are the assembly, elastic support (5) are by triangular-shaped's A-frame (501), corner support (502) and three inside support (503) of three V word shape are constituteed, the three top fixed mounting of A-frame (501) just forms the effect of holding power to inner sheath (2) on inner sheath (2) inner wall, three corner support (502) fixed mounting just the top and inner sheath (2) inner wall fixed connection of three corner support (502) on the three limit outer wall of A-frame (501), three inside support (503) fixed mounting just corresponds each other with three corner support (502) on two adjacent limits in A-frame (501) intracavity.

3. The cable for a multilayer structural type bridge as set forth in claim 2, wherein: six limit tops of elastic support board (6) are fixed mounting respectively on the inner wall of A-frame (501) and three inside support (503), and cable core (3) fixed mounting just elastic layer (7) wraps up cable core (3) between A-frame (501) and corner support (502) and inside support (503).

4. The cable for a multilayer structural type bridge as set forth in claim 1, wherein: antifriction sleeve (8) including antifriction layer (801), trapezoidal boss (802) and wire net (803), trapezoidal boss (802) fixed mounting is between antifriction layer (801) inner wall and inner sheath (2) outer wall, and wire net (803) are filled between two adjacent trapezoidal boss (802).

5. The cable for a multilayer structural type bridge as set forth in claim 1, wherein: the woven steel wire (15) comprises warps (1501) and wefts (1502), the warps (1501) vertically penetrate through the anti-wear layer (10), the steel wire woven layer (11) and the heat-insulating layer (12) in sequence, and the wefts (1502) respectively penetrate through the primary waterproof layer (9) and the anti-wear layer (10), the anti-wear layer (10) and the steel wire woven layer (11), the steel wire woven layer (11) and the heat-insulating layer (12), and the secondary waterproof layer (13).

6. The cable for a multilayer structural type bridge as set forth in claim 5, wherein: the warps (1501) and the wefts (1502) are mutually interpenetrated and fixedly connected together.