CN214476543U

CN214476543U - Signal cable special for geological exploration

Info

Publication number: CN214476543U
Application number: CN202120380455.6U
Authority: CN
Inventors: 彭辉
Original assignee: Anhui Huadong Cable Technology Co ltd
Current assignee: Anhui Huadong Cable Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-10-22
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a geological exploration special signal cable, its technical scheme main points are: the cable comprises a plurality of cable cores, wherein the cable cores are mutually twisted, the cable cores are respectively provided with a cable core conductor, a fire-resistant mica tape and an insulating layer from inside to outside, an elastic sleeve is sleeved outside the cable core, a wrapping layer is arranged outside the elastic sleeves, a filler is filled in a gap between the wrapping layer and the elastic sleeve, a plurality of tensile ropes are arranged inside the filler, the tensile ropes are formed by twisting a plurality of polyolefin fibers, an inner sheath layer is arranged outside the wrapping layer, the inner sheath layer is made of ceramic silicon rubber materials, a shielding layer is arranged outside the inner sheath layer, an armor layer is arranged outside the shielding layer, the outer sheath layer is extruded outside the armor layer, a wear-resistant sheath layer is extruded outside the outer sheath layer, and the wear-resistant sheath layer is made of polyamide materials; the utility model discloses a wear resistance is higher, has good anti extrudability and anti stretchability simultaneously.

Description

Signal cable special for geological exploration

Technical Field

The utility model belongs to the technical field of the cable technique and specifically relates to signal cable special for geological exploration.

Background

At present, signal cables for geological exploration are all common cables, the structure and the composition of the cables are simple, a plurality of strands of tinned steel wires are twisted together, polyethylene or polyvinyl chloride, vinylidene fluoride and other insulating layers are sleeved outside the cables, and finally, a metal braided shielding layer is arranged outside the insulating layers; as the exploration depth is deepened, the underground temperature is higher and higher along with the deepening of the exploration depth, and the environment is more and more complex, the common cable cannot meet the requirements of the current exploration technology.

The existing signal cable has the problems of low wear-resistant strength and low tensile strength, the cable is frequently dragged in the using process and is easy to wear, and meanwhile, the cable sheath layer is easy to crack due to low strength and is also required to bear larger pulling force, so that the cable is easy to break; and the cable easily causes the damage of cable core when receiving the extrusion, leads to cable life to obviously shorten, so ordinary cable has not satisfied the requirement of present exploration technique, develops novel signal cable to the needs that adapt to the exploration technique are imperative.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing geological exploration special signal cable, abrasion strength is higher, has good anti extrudability and anti stretchability simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the signal cable special for geological exploration comprises a plurality of cable cores, wherein the cable cores are twisted with one another, the cable cores are respectively a cable core conductor, a fire-resistant mica tape and an insulating layer from inside to outside, an elastic sleeve is sleeved outside the cable core, the elastic sleeve is made of natural rubber, a wrapping tape layer is arranged outside the elastic sleeve, a filler is filled in a gap between the wrapping tape layer and the elastic sleeve and is made of ceramic fiber cotton, a plurality of anti-stretching ropes are arranged inside the filler and are formed by twisting a plurality of polyolefin fibers, an inner sheath layer is arranged outside the wrapping tape layer and is made of ceramic silicon rubber materials, a shielding layer is arranged outside the inner sheath layer, and an armor layer is arranged outside the shielding layer, the outer side of the armor layer is extruded with an outer sheath layer, the outer side of the outer sheath layer is extruded with a wear-resistant sheath layer, and the wear-resistant sheath layer is made of polyamide materials.

Furthermore, the cable core conductor is made of annealed copper wires, a tin coating is arranged on the outer side of each copper wire, and the thickness of the tin coating is 1 mm.

By adopting the technical scheme, the tin-plated layer can improve the insulating property of the copper conductor, and the current in each copper conductor is ensured not to interfere.

Furthermore, the insulating layer is formed by extruding and wrapping polyethylene materials.

Through adopting above-mentioned technical scheme, the insulating layer adopts the cross-linked polyethylene material to make and has good electric insulation effect between each cable core, and the cross-linked polyethylene is a flexibility, high mechanical strength, the good ultrapure insulating material of electrical property, has higher insulation resistance constant as insulating material, can bear higher voltage level, guarantees simultaneously that the cable has excellent insulating nature, and the cross-linked polyethylene in case what take place the cable burning produces is carbon dioxide and water, possesses the low smoke characteristic of no halogen.

Furthermore, the wrapping tape layer is formed by wrapping polytetrafluoroethylene raw material tapes.

By adopting the technical scheme, the polytetrafluoroethylene raw material tape has the characteristics of good corrosion resistance and high temperature resistance, and is good in self-adhesion and fitting performance and good in sealing performance.

Furthermore, the shielding layer is formed by weaving tinned copper wires.

Through adopting above-mentioned technical scheme, make the utility model discloses possess stronger shielding external signal interference's ability.

Furthermore, the armor layer is formed by weaving galvanized steel wires, and the armor layer is provided with two layers.

Through adopting above-mentioned technical scheme, can play good protection and supporting role to the cable.

Furthermore, the outer sheath layer is made of ultraviolet irradiation cross-linked polyethylene material.

By adopting the technical scheme, the crosslinking mode adopts ultraviolet irradiation crosslinking, and compared with the existing electron beam irradiation crosslinking: the equipment and raw material purchasing cost is low, additional civil engineering is not needed, the online crosslinking process is simple, the irradiation is uniform, the electric energy loss is low, the production cost can be effectively reduced, and the production efficiency is improved.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a, be provided with the elastic sleeve through the outside at the cable core, be provided with the inner sheath layer in the inside of cable, when the cable received the extrusion, the elastic sleeve can play certain buffering, absorbing function for the cable core with the setting on inner sheath layer, avoids inside cable core to take place the damage because of the extrusion.

2. The utility model discloses a, be provided with many tensile ropes through the inside at the cable, the tensile rope forms for many polyolefin fiber transposition, can improve the tensile resistance ability of tensile rope effectively for the cable has good tensile properties.

3. The utility model discloses a, set up the wear-resisting restrictive coating of one deck through the outside at the outer restrictive coating, at the in-process that drags the cable, the wear-resisting restrictive coating can protect inside outer restrictive coating not take place wearing and tearing, has improved the life of cable effectively.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a cable core; 101. a cable core conductor; 102. fire-resistant mica tapes; 103. an insulating layer; 2. an elastic sleeve; 3. wrapping a belt layer; 4. a filler; 5. a tensile strand; 6. an inner jacket layer; 7. a shielding layer; 8. an armor layer; 9. an outer jacket layer; 10. wear-resisting restrictive coating.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, the signal cable special for geological exploration comprises a plurality of cable cores 1, the cable cores 1 are twisted with each other, the cable cores 1 respectively include a cable core conductor 101, a fire-resistant mica tape 102 and an insulating layer 103 from inside to outside, an elastic sleeve 2 is sleeved outside the cable cores 1, the elastic sleeve 2 is made of natural rubber, a wrapping tape layer 3 is arranged outside the elastic sleeve 2, a filler 4 is filled in a gap between the wrapping tape layer 3 and the elastic sleeve 2, the filler 4 is made of ceramic fiber cotton, a plurality of tensile ropes 5 are arranged inside the filler 4, the tensile ropes 5 are formed by twisting a plurality of polyolefin fibers, an inner sheath layer 6 is arranged outside the wrapping tape layer 3, the inner sheath layer 6 is made of ceramic silicon rubber material, a shielding layer 7 is arranged outside the inner sheath layer 6, and an armor layer 8 is arranged outside the shielding layer 7, an outer sheath layer 9 is extruded and wrapped on the outer side of the armor layer 8, a wear-resistant sheath layer 10 is extruded and wrapped on the outer side of the outer sheath layer 9, and the wear-resistant sheath layer 10 is made of polyamide materials.

Referring to fig. 1, the cable core conductor 101 is made of annealed copper wire, and a tin-plated layer is disposed on the outer side of the copper wire, and the thickness of the tin-plated layer is 1 mm.

Referring to fig. 1, the insulating layer 103 is extruded from a polyethylene material.

Referring to fig. 1, the wrapping tape layer 3 is formed by wrapping polytetrafluoroethylene raw material tapes.

Referring to fig. 1, the shielding layer 7 is braided of tinned copper wire.

Referring to fig. 1, an armor layer 8 is formed by weaving galvanized steel wires, and the armor layer 8 is provided with two layers.

Referring to fig. 1, the outer sheath layer 9 is made of a uv irradiation cross-linked polyethylene material.

When the utility model is used, when the cable is extruded, the elastic sleeve 2 and the inner sheath layer 6 can play a certain buffering and damping function for the cable core 1, the elastic sleeve 2 is made of natural rubber, the natural rubber has good elasticity, the inner sheath layer 6 is made of ceramic silicon rubber material, and the cable core 1 inside is prevented from being damaged due to extrusion; the tensile ropes 5 are formed by stranding a plurality of polyolefin fibers, the polyolefin fibers are light fibers, the strength is high, the wear resistance is good, and the elasticity is good, so that the tensile resistance of the tensile ropes 5 can be effectively improved, and the cable has good tensile resistance; set up one deck wear-resisting restrictive coating 10 through the outside at outer restrictive coating 9, wear-resisting restrictive coating 10 adopts polyamide material to make, and polyamide has nontoxic, matter light, good mechanical strength, wearability and better corrosion resistance, and at the in-process of dragging the cable, wear-resisting restrictive coating 10 can protect inside outer restrictive coating 9 not take place wearing and tearing, has improved the life of cable effectively.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. Geological exploration special signal cable, including many cable cores (1), its characterized in that: the cable comprises a plurality of cable cores (1) which are mutually twisted, wherein the cable cores (1) are respectively provided with a cable core conductor (101), a fire-resistant mica tape (102) and an insulating layer (103) from inside to outside, an elastic sleeve (2) is sleeved on the outer side of the cable cores (1), the elastic sleeve (2) is made of natural rubber, a wrapping tape layer (3) is arranged on the outer side of the elastic sleeve (2), a filler (4) is filled in a gap between the wrapping tape layer (3) and the elastic sleeve (2), the filler (4) is made of ceramic fiber cotton, a plurality of tensile ropes (5) are arranged inside the filler (4), the tensile ropes (5) are formed by twisting a plurality of polyolefin fibers, an inner sheath layer (6) is arranged on the outer side of the wrapping tape layer (3), and the inner sheath layer (6) is made of ceramic silicon rubber materials, the outside of inner sheath layer (6) is provided with shielding layer (7), the outside of shielding layer (7) is provided with armor (8), the crowded package in the outside of armor (8) has oversheath layer (9), the crowded package in the outside of oversheath layer (9) has wear-resisting restrictive coating (10), wear-resisting restrictive coating (10) adopt the polyamide material to make.

2. The signal cable special for geological exploration according to claim 1, characterized in that: the cable core conductor (101) is made of annealed copper wires, a tin coating is arranged on the outer side of each copper wire, and the thickness of the tin coating is 1 mm.

3. The signal cable special for geological exploration according to claim 1, characterized in that: the insulating layer (103) is formed by extruding and wrapping polyethylene materials.

4. The signal cable special for geological exploration according to claim 1, characterized in that: the winding band layer (3) is formed by winding polytetrafluoroethylene raw material belts.

5. The signal cable special for geological exploration according to claim 1, characterized in that: the shielding layer (7) is formed by weaving tinned copper wires.

6. The signal cable special for geological exploration according to claim 1, characterized in that: the armor layer (8) is formed by weaving galvanized steel wires, and the armor layer (8) is provided with two layers.

7. The signal cable special for geological exploration according to claim 1, characterized in that: the outer sheath layer (9) is made of ultraviolet irradiation cross-linked polyethylene material.