CN209948634U - Underground cable protection device - Google Patents
Underground cable protection device Download PDFInfo
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- CN209948634U CN209948634U CN201921219022.1U CN201921219022U CN209948634U CN 209948634 U CN209948634 U CN 209948634U CN 201921219022 U CN201921219022 U CN 201921219022U CN 209948634 U CN209948634 U CN 209948634U
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Abstract
The utility model discloses an underground cable protection device, belonging to the technical field of cable protection, comprising a cable, a protection tube wrapped on the cable, and a protection mechanism arranged above the protection tube and extending along the length direction of the protection tube; the protection tube includes first protective layer, second protective layer and third protective layer from inside to outside in proper order, the cross section of first protective layer and third protective layer is ring shape, the cross section of second protective layer is oval annular, be connected through the bracing piece between second protective layer and the first protective layer, be connected through damping spring between second protective layer and the third protective layer. The utility model discloses protection mechanism forms a both ends opening, and airtight cavity all around carries out the support protection once to the cable, reduces the injury of external pressure to the cable, avoids the cable lower part to wet easily simultaneously, corrode; the protection tube carries out three-layer protection to the cable, realizes the secondary and supports the protection, effectively prolongs the life of cable.
Description
Technical Field
The utility model relates to a cable protection technical field, concretely relates to underground cable protection device.
Background
Communication and power cables are usually buried underground in urban planning and construction, and compared with overhead lines, underground cables have the advantages of small occupied area, reliable power transmission, strong anti-interference capability and the like. The existing cable is usually made of a conductor, an insulating layer and a protective sleeve, the structure is simple, the function is single, and the underground cable is generally arranged in a pipeline by the cable underground burying technology and is not subjected to other protection treatment. Underground cables are buried deep below the surface of the earth and need to withstand pressure from the surface and even stresses from within the earth due to movement of the crust. Therefore, when the pressure from the earth surface is suddenly increased or the stress in the earth surface layer is too large due to the earth crust movement such as earthquake, the pipeline is often damaged or even broken, and the pipeline is also damaged due to a plurality of uncontrollable factors, so that the cable is exposed in the external underground environment, the water inlet or corrosion of the cable is easily caused, the service life of the cable and the safety of underground work are greatly reduced, the effective transmission of electric energy or information is seriously influenced, and the inconvenience is brought to the life of people and industrial production.
The patent with publication number CN206099196U discloses an extra-strong high-voltage special-shaped power cable protection tube, belonging to the technical field of power cable protection tubes; the outermost layer of the pipe body is an outer octagonal pipe wall, an inner octagonal pipe wall and a middle layer circular pipe wall are arranged on the same central shaft as the outer octagonal pipe wall, the inner octagonal pipe wall and the eight sides of the outer octagonal pipe wall are arranged in parallel, isolation support ribs are arranged between corresponding angles of the inner octagonal pipe wall and the outer octagonal pipe wall, the middle layer circular pipe wall is in tangential fit with the outer octagonal pipe wall, and a heat insulation gap is formed between the middle layer circular pipe wall and the outer octagonal pipe wall; the design structure that the three-layer pipe wall is matched with the isolation support rib forms a network type three-dimensional support structure, the compression strength and the bending resistance can be obviously improved, nine independent cable laying spaces can obviously reduce the difficulty of simultaneously laying a plurality of cables and improve the construction efficiency; the cable laying space outside heat insulation gap can effectively prevent the influence of external temperature on the internal cable and delay the aging of the cable insulation layer rubber. However, the cable protection tube has limited pressure resistance, and cannot solve the problem of fracture caused by excessive external pressure of the protection tube.
Disclosure of Invention
In view of the above, the utility model provides an underground cable protection device, the protection tube forms a cavity with two open ends and a closed periphery, and the cable is supported and protected for the first time, so as to reduce the damage of the external pressure to the cable and avoid the lower part of the cable from being easily affected with damp and corroded; the protection tube carries out three-layer protection to the cable, realizes the secondary and supports the protection, effectively prolongs the life of cable.
In order to solve the technical problem, the utility model discloses a technical scheme does:
an underground cable protection device comprises a cable, a protection pipe wrapped on the cable, and a protection mechanism arranged above the protection pipe and extending along the length direction of the protection pipe; the protection tube includes first protective layer, second protective layer and third protective layer from inside to outside in proper order, the cross section of first protective layer and third protective layer is ring shape, the cross section of second protective layer is oval annular, be connected through the bracing piece between second protective layer and the first protective layer, be connected through damping spring between second protective layer and the third protective layer.
Furthermore, the protection mechanism comprises a cast-in-place concrete base layer arranged at the bottom of the protection tube, side walls arranged on two sides of the base layer and a top plate arranged between the two side walls, wherein the integrated type vertical arrangement is realized.
Further, a plurality of pillars are disposed between the base layer and the top plate.
Furthermore, a groove is formed in the end portion of the side wall, a limiting block is arranged on the lower portion of the top plate corresponding to the side wall, and the limiting block is matched with the groove.
Furthermore, a sliding groove matched with the protection tube is arranged on the base layer.
The utility model has the advantages that:
the utility model discloses a cable, parcel protection tube, the protection mechanism of setting in the protection tube top and extending along its length direction on the cable. The protection tube comprises a first protection layer, a second protection layer and a third protection layer from inside to outside in sequence, and the cable is protected by three layers. The cross section of first protective layer and third protective layer is the ring shape, and the cross section of second protective layer is oval annular, is connected through the bracing piece between second protective layer and the first protective layer, is connected through damping spring between second protective layer and the third protective layer. When the protection tube received external pressure, the earlier atress of third protective layer, through damping spring, after reducing the effort, in the second protective layer of reappearing, bracing piece between third protective layer and the second protective layer supports the protection to the cable once more.
Protection mechanism is in including setting up at the cast in situ concrete basic unit, the perpendicular setting of integral type of protection bottom of the tube the side wall of basic unit both sides, the roof of setting between two side walls, basic unit, side wall and roof form a both ends opening, inclosed cavity all around, can be fine protect inside cable and protection tube, prevent inside soil and moisture infiltration cable. A plurality of supporting columns are arranged between the base layer and the top plate, the top plate is supported, and structural firmness is improved. The end part of the side wall is provided with a groove, the lower part of the top plate is provided with a limiting block corresponding to the side wall, and the limiting block is matched with the groove to achieve the positioning effect. Be equipped with on the basic unit with protection tube assorted spout, to protection tube and cable positioning, simultaneously easy to assemble.
The utility model discloses a protection mechanism sets up on the protection tube of underground cable, forms a both ends opening, airtight cavity all around, supports the protection once to the cable, reduces the injury of external pressure to the cable, avoids the cable lower part to wet easily simultaneously, corrode; the protection tube carries out three-layer protection to the cable, realizes the secondary and supports the protection. The utility model discloses stable in structure, two structures realize the protection to the cable, prevent effectively that the cable from avoiding mechanical damage, prevent simultaneously that the cable from corroding, gnawing by underground cable and eat etc. have solved cable protection architecture singleness in the past, can not prevent that the cable from weing, the problem of corruption.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a protection tube according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a protection mechanism according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a protection mechanism according to embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 3. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example 1
Referring to fig. 1-2, the present embodiment provides an underground cable protection device, including a cable 1, a protection tube wrapped on the cable 1, and a protection mechanism disposed above the protection tube and extending along a length direction thereof; the protection tube includes first protective layer 2, second protective layer 4 and third protective layer 6 from inside to outside in proper order, the cross section of first protective layer 2 and third protective layer 6 is ring shape, the cross section of second protective layer 4 is oval annular, be connected through bracing piece 3 between second protective layer 4 and the first protective layer 2, be connected through damping spring 5 between second protective layer 4 and the third protective layer 6.
Protection mechanism is including setting up cast in situ concrete basic unit 11, the integral type of protection tube bottom set up perpendicularly the side wall 7 of 11 both sides of basic unit, set up two roof 9 between the side wall 7.
A plurality of pillars 10 are provided between the base layer 11 and the top plate 9.
The end part of the side wall 7 is provided with a groove, the lower part of the top plate 9 corresponding to the side wall 7 is provided with a limiting block 8, and the limiting block 8 is matched with the groove.
Wherein, first protective layer 2, third protective layer 6 and second protective layer 4 are metal level 300 series stainless steel and make, and damping spring 5 and bracing piece 3 are all fixed through the welded mode. In order to enhance the damping effect, the outer surface of the third protective layer 6 is wrapped with an elastic gasket. The second protective layer 4 is arranged to be in an elliptical ring shape, when the upper portion of the third protective layer 6 is deformed due to stress, the upper portion is pressed downwards, the left side and the right side of the third protective layer are elongated, the shape of the third protective layer is close to that of the second protective layer 4, and pressure directly acting on the second protective layer 4 is reduced. Two side wall 7 integral types set up the both sides at basic unit 11, and the width of roof 9 is greater than the distance between two side walls 7, and side wall 7, basic unit 11 and pillar 10 all adopt the integral type to pour.
Example 2
Referring to fig. 3, the present embodiment provides an underground cable protection device, which is an improvement on embodiment 1: the base layer 11 is provided with a sliding groove 12 matched with the protection tube, and the inner surface of the sliding groove 12 is arc-shaped, so that the protection tube is convenient to place.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. An underground cable protection device which characterized in that: the cable protection device comprises a cable, a protection pipe wrapped on the cable, and a protection mechanism arranged above the protection pipe and extending along the length direction of the protection pipe; the protection tube includes first protective layer, second protective layer and third protective layer from inside to outside in proper order, the cross section of first protective layer and third protective layer is ring shape, the cross section of second protective layer is oval annular, be connected through the bracing piece between second protective layer and the first protective layer, be connected through damping spring between second protective layer and the third protective layer.
2. An underground cable protection device as claimed in claim 1, wherein: the protection mechanism is in including setting up the cast in situ concrete basic unit, the integral type of protection tube bottom set up perpendicularly the side wall of basic unit both sides, set up two roof between the side wall.
3. An underground cable protection device as claimed in claim 2, wherein: a plurality of pillars are disposed between the base layer and the top plate.
4. An underground cable protection device according to claim 3, wherein: the end part of the side wall is provided with a groove, the lower part of the top plate corresponding to the side wall is provided with a limiting block, and the limiting block is matched with the groove.
5. An underground cable protection device according to claim 4, wherein: and the base layer is provided with a sliding groove matched with the protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219022.1U CN209948634U (en) | 2019-07-31 | 2019-07-31 | Underground cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219022.1U CN209948634U (en) | 2019-07-31 | 2019-07-31 | Underground cable protection device |
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| Publication Number | Publication Date |
|---|---|
| CN209948634U true CN209948634U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921219022.1U Active CN209948634U (en) | 2019-07-31 | 2019-07-31 | Underground cable protection device |
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| Country | Link |
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| CN (1) | CN209948634U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327001A (en) * | 2020-03-16 | 2020-06-23 | 曾华云 | Cable outgoing management device based on power engineering |
| CN112448323A (en) * | 2020-11-28 | 2021-03-05 | 国网河南省电力公司邓州市供电公司 | Safe laying method of underground cable |
| CN113131419A (en) * | 2021-05-28 | 2021-07-16 | 国网河南省电力公司西峡县供电公司 | Safety protection device for underground cable laying |
| CN114413076A (en) * | 2021-12-31 | 2022-04-29 | 安徽鑫铂铝业股份有限公司 | Pressure-resistant aluminum alloy circular tube assembly |
-
2019
- 2019-07-31 CN CN201921219022.1U patent/CN209948634U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327001A (en) * | 2020-03-16 | 2020-06-23 | 曾华云 | Cable outgoing management device based on power engineering |
| CN112448323A (en) * | 2020-11-28 | 2021-03-05 | 国网河南省电力公司邓州市供电公司 | Safe laying method of underground cable |
| CN112448323B (en) * | 2020-11-28 | 2022-02-22 | 国网河南省电力公司邓州市供电公司 | Safe laying method of underground cable |
| CN113131419A (en) * | 2021-05-28 | 2021-07-16 | 国网河南省电力公司西峡县供电公司 | Safety protection device for underground cable laying |
| CN114413076A (en) * | 2021-12-31 | 2022-04-29 | 安徽鑫铂铝业股份有限公司 | Pressure-resistant aluminum alloy circular tube assembly |
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