CN118074031A - Power wire and cable protective sleeve - Google Patents

Power wire and cable protective sleeve Download PDF

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Publication number
CN118074031A
CN118074031A CN202410418501.5A CN202410418501A CN118074031A CN 118074031 A CN118074031 A CN 118074031A CN 202410418501 A CN202410418501 A CN 202410418501A CN 118074031 A CN118074031 A CN 118074031A
Authority
CN
China
Prior art keywords
pipe
cable
protective sleeve
supporting
power wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410418501.5A
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Chinese (zh)
Inventor
吴建霆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Junxingda Cable Technology Industrial Co ltd
Original Assignee
Guangdong Junxingda Cable Technology Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Junxingda Cable Technology Industrial Co ltd filed Critical Guangdong Junxingda Cable Technology Industrial Co ltd
Priority to CN202410418501.5A priority Critical patent/CN118074031A/en
Publication of CN118074031A publication Critical patent/CN118074031A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention discloses a power wire and cable protection sleeve, which relates to the technical field of wires and cables and comprises a pipe body, wherein a containing cavity for placing a cable is formed in the middle of the pipe body; the connecting rods are clamped with each other between two adjacent pipe bodies through a plurality of connecting rods, and a plurality of connecting grooves matched with the connecting rods are formed in the side surfaces of the pipe bodies; the support piece is arranged at the position of the pipe body corresponding to the end part of each connecting groove and used for supporting the cable, and comprises a support plate connected with the inner wall of the accommodating cavity through a plurality of buffer springs, a compression spring connected with the support plate and a limit column connected with the other end of the compression spring and extending into the connecting grooves; the connecting rod is provided with the limiting hole at the position corresponding to the limiting column, so that the problems that the part of the pipe body is easy to bend and deform due to different pressure applied to each part of the pipe body are solved.

Description

Power wire and cable protective sleeve
Technical Field
The invention relates to the technical field of wires and cables, in particular to a power wire and cable protective sleeve.
Background
The cable protection sleeve is a novel sleeve material popularized and used in power engineering, and along with the rapid development of power cable buried laying engineering, the cable protection sleeve has higher requirements on the cable sleeve, is manufactured by adopting polyethylene PE and high-quality steel pipes through the processes of sand blasting ball blasting pretreatment, plastic dipping or coating and heating solidification, and is an electric insulating tube most commonly used for protecting wires and cables, and the cable protection sleeve is widely applied due to the advantages of good insulating property, high chemical stability, no rust, no aging and suitability for severe environments.
In the process of installing the power wire and cable protective sleeve, due to structural limitation during installation of the power wire and cable protective sleeve, in the actual operation process, when the protective sleeve is installed and paved, a plurality of workers are required to be matched with each other for alignment connection, the whole machining efficiency is low, and meanwhile, the installation cost is high, and due to the fact that bolts are generally adopted for connection, the problems that disassembly adjustment and the like are difficult to achieve between pipe bodies after the installation is completed are solved.
In order to solve the problems, the Chinese patent publication No. CN113036687B discloses a power wire and cable protection sleeve, which comprises a pipe body, a connecting frame and an arrangement frame, wherein the connecting frames are symmetrically and fixedly arranged on the outer end surfaces of the left side and the right side of the pipe body, the arrangement frame is uniformly and fixedly arranged in the middle of the pipe body, the connecting frames comprise fixing rings, arc-shaped baffle plates, clamping rings, positioning rings, conical fasteners, conical bushings, rubber plates and rubber blocks, the pipe body and the pipe fitting are aligned and connected through the connecting frames, the whole connecting process can be rapidly aligned and fixed, the height of the pipe body at the lowest side can be adjusted, the pipe body around the pipe body is positioned through the arrangement frame, so that the pipe body is aligned in an arrangement mode, a plurality of workers are not needed in the whole arrangement and installation process, the number of workers needed by processing is reduced, and meanwhile, the pipe body is convenient to detach and adjust.
However, the cable protection sleeve still has some problems when in use, such as: the multiple tube bodies in the cable protection sleeve are mutually arranged and connected through the multiple arrangement frames, after the cable protection sleeve is buried underground, part of the tube bodies between the arrangement frames can squeeze the arrangement frames after being subjected to pressure, and then the main stress points of the multiple tube bodies are arranged at the positions of the arrangement frames, so that the tube bodies are unevenly stressed underground, and the tube bodies or the arrangement frames at the positions of the arrangement frames are easy to bend and deform, so that the service life of the protection sleeve is reduced.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a protective sleeve for electric wires and cables, which is capable of solving the above-mentioned problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a power wire and cable protective sleeve comprising:
the cable comprises a tube body, wherein a containing cavity for placing a cable is formed in the middle of the tube body;
The connecting rods are clamped with each other between two adjacent pipe bodies through a plurality of connecting rods, and a plurality of connecting grooves matched with the connecting rods are formed in the side surfaces of the pipe bodies;
The support piece is arranged at the position corresponding to the end part of each connecting groove of the pipe body and used for supporting the cable, and comprises a support plate connected with the inner wall of the accommodating cavity through a plurality of buffer springs, a compression spring connected with the support plate and a limit column connected with the other end of the compression spring and extending into the connecting groove;
And the connecting rod is provided with a limiting hole at a position corresponding to the limiting column.
As a preferable mode, m connecting rods and n connecting grooves are arranged on one side face of the pipe body, and n connecting rods and m connecting grooves are arranged on the side face adjacent to the side face.
Preferably, the cross-sectional shape of the connecting rod is matched with the cross-sectional shape of the connecting groove.
As a preferable scheme, the pipe body is provided with a through hole at a position corresponding to the limit column, and the through hole is communicated with the connecting groove.
As a preferable scheme, a plurality of supporting plates are mutually matched to form a ring shape.
As a preferable scheme, the inner side of the supporting plate is provided with a buffer layer, and the buffer layer is made of natural rubber.
As a preferable scheme, the lower ends of the plurality of pipe bodies are also provided with supporting bases matched with the pipe bodies, and the side surfaces of the upper ends of the supporting bases are respectively provided with connecting rods or connecting grooves matched with the pipe bodies.
As a preferable scheme, a plurality of pipe bodies and the supporting base form a group of supporting pipe fittings, two adjacent groups of supporting pipe fittings are connected through a fixing plate, and the fixing plate is matched with the section of the supporting pipe fittings.
As a preferable scheme, the fixing plate is provided with a mounting hole at a position corresponding to the limiting hole, and the fixing plate is fixedly connected with the supporting pipe fitting through a plurality of fasteners.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and particularly, the technical scheme mainly comprises the following steps;
According to the device, the plurality of connecting rods and the plurality of connecting grooves matched with the connecting rods are formed in the side faces of the pipe bodies, when the plurality of pipe bodies are combined, only the connecting rods on one side face of one pipe body and one side face of the other pipe body are aligned with the connecting grooves and are inserted into the connecting grooves, after the pipe bodies are mutually spliced and combined, the different side faces of the different pipe bodies are mutually and tightly attached to each other, and further the connection tightness between the two adjacent pipe bodies is improved.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a pipe body according to the present invention;
FIG. 3 is a schematic cross-sectional view of the support of the present invention;
FIG. 4 is a schematic view of a partial structure of a fixing plate of the present invention;
FIG. 5 is a schematic diagram illustrating the connection between a pipe body and a support base according to a first embodiment of the present invention;
Fig. 6 is a schematic diagram illustrating connection between a pipe body and a support base in a second embodiment of the present invention.
Reference numerals illustrate: 1. a tube body; 11. a receiving chamber; 12. a connecting groove; 13. a through hole; 2. a connecting rod; 21. a limiting hole; 3. a support; 31. a buffer spring; 32. a support plate; 321. a buffer layer; 33. a compression spring; 34. a limit column; 4. a support base; 5. supporting the pipe fitting; 6. a fixing plate; 61. a mounting hole; 7. a fastener.
Detailed Description
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Example 1
Referring to fig. 1 to 3, an embodiment of the present invention provides a power wire and cable protection sleeve, including:
the cable tube comprises a tube body 1, wherein a containing cavity 11 for placing cables is formed in the middle of the tube body 1;
The connecting rods 2 are clamped with each other between two adjacent pipe bodies 1 through a plurality of connecting rods 2, and a plurality of connecting grooves 12 matched with the connecting rods 2 are formed in the side surfaces of the pipe bodies 1;
A support 3, the pipe body 1 is provided with a support 3 for supporting the cable at a position corresponding to the end of each connecting groove 12, the support 3 comprises a support plate 32 connected with the inner wall of the accommodating cavity 11 through a plurality of buffer springs 31, a compression spring 33 connected with the support plate 32, and a limit post 34 connected with the other end of the compression spring 33 and extending to the inside of the connecting groove 12;
The connecting rod 2 is provided with a limiting hole 21 at a position corresponding to the limiting post 34.
In this embodiment, by providing the plurality of connecting rods 2 and the plurality of connecting grooves 12 matching with the connecting rods 2 on the side surfaces of the pipe bodies 1, when the plurality of pipe bodies 1 are combined, only the connecting rods 2 on one side surface of one pipe body 1 and one side surface of the other pipe body 1 are aligned with each other and are inserted into the connecting grooves 12, after the pipe bodies 1 are spliced and combined with each other, the different side surfaces of the different pipe bodies 1 are tightly attached to each other, and further, the connection tightness between the two adjacent pipe bodies 1 is improved.
It should be noted that, when the cable is placed in the accommodating cavity 11, the cable may be placed between the plurality of support plates 32, and the plurality of support plates 32 may continuously and stably clamp and support the cable under the action of the buffer spring 31, so as to ensure the stability of cable signal transmission;
preferably, the cross section of the tube body 1 is regular hexagon, so that a plurality of regular hexagon tube bodies 1 are combined to form a honeycomb shape, and the structure can further improve the integral structural strength of the protective sleeve.
Referring to fig. 1 to 2, m connecting rods 2 and n connecting grooves 12 are provided on one side surface of the pipe body 1, and n connecting rods 2 and m connecting grooves 12 are provided on a side surface adjacent to the side surface;
the cross-sectional shape of the connecting rod 2 is matched with the cross-sectional shape of the connecting groove 12;
The pipe body 1 is provided with a through hole 13 at a position corresponding to the limit post 34, and the through hole 13 is communicated with the connecting groove 12.
In this embodiment, the number of the connecting rods 2 on one side surface of the pipe body 1 is two, the number of the connecting grooves 12 is one, one connecting rod 2 and two connecting grooves 12 are arranged on the side surface adjacent to the side surface, in actual production, one side surface of some pipe bodies 1 is not provided with the connecting grooves 12 nor the connecting rods 2, and the side surface of the pipe body 1 can be used for being placed on the lowest end surface of the protective sleeve for being in contact with the ground;
Wherein the cross section of the connecting rod 2 may be provided with, but is not limited to, a "convex" shape in order to ensure stability after the connecting rod 2 is connected with the connecting groove 12.
It should be noted that, through being provided with the through-hole 13 of placing spacing post 34 in body 1, after two sets of body 1 accomplish the cooperation, the tip of spacing post 34 can block into the spacing hole 21 of seting up on connecting rod 2 to further guarantee the stability of connecting between the body 1, prevent taking place axial relative slip between two sets of body 1.
Referring to fig. 2 to 3, a plurality of the support plates 32 are matched with each other to form a circular ring shape;
the inner side of the supporting plate 32 is provided with a buffer layer 321, and the buffer layer 321 is made of natural rubber.
In this embodiment, when the cable is placed in the accommodating cavity 11, the supporting plates 32 are pressed and the buffer springs 31 are compressed, so that the radius of a circular ring formed by surrounding the plurality of supporting plates 32 is increased, then the cable is placed between the plurality of supporting plates 32, after the supporting plates 32 are loosened, the buffer springs 31 are reset and drive the plurality of supporting plates 32 to press the cable, so that a certain limiting effect can be achieved on the cable, a good supporting effect can be achieved on the cable, and excessive extrusion of the cable by the supporting plates 32 can be avoided due to the arrangement of the buffer layer 321;
Since the supporting plate 32 is pressed to some extent by the buffer spring 31 and the compression spring 33 when the cable is pressed, the limiting post 34 is further abutted against the inside of the limiting hole 21, so that the stability of connection between two adjacent pipe bodies 1 is further ensured.
Referring to fig. 1 to 5, the lower ends of the plurality of tubes 1 are further provided with support bases 4 matched with the tubes 1, and the upper end sides of the support bases 4 are respectively provided with a connecting rod 2 or a connecting groove 12 matched with the tubes 1.
In this embodiment, when the cross section of the pipe body 1 is regular hexagon, the cross section of the supporting base 4 is trapezoid, and three sides of the upper end of the supporting base 4 are provided with the connecting rod 2 or the connecting groove 12 matched with the pipe body 1.
In this embodiment, when four sets of the pipe bodies 1 are placed as shown in fig. 5, two sets of support bases 4 may be provided, where the two sets of support bases 4 are respectively disposed on the left and right sides of the lowest pipe body 1 and serve as bottom supports together with the middle pipe body 1, so that the protection sleeve is conveniently and stably placed in the tunnel.
Referring to fig. 1 to 4, a plurality of the pipe bodies 1 and the supporting bases 4 form a group of supporting pipe fittings 5, two adjacent groups of supporting pipe fittings 5 are connected through a fixing plate 6, and the fixing plate 6 is adapted to the cross section of the supporting pipe fittings 5;
The fixing plate 6 is provided with a mounting hole 61 at a position corresponding to the limiting hole 21, and the fixing plate 6 is fixedly connected with the supporting pipe fitting 5 through a plurality of fasteners 7.
In this embodiment, be convenient for with two sets of support pipe fitting 5 interconnect through setting up fixed plate 6, when guaranteeing two sets of support pipe fitting 5 connection stability, the leakproofness between two sets of support pipe fitting 5 can also be guaranteed in the setting of fixed plate 6, when using, overlap joint fixed plate 6 and the tip of one of them set of support pipe fitting 5 mutually at first, and use fastener 7 (can be fastening bolt) to carry out preliminary fixed, later laminate another set of support pipe fitting 5 along fixed plate 6 to last a set of support pipe fitting 5, make the terminal surface of two sets of support pipe fitting 5 laminate each other, later reuse fastener 7 with fixed plate 6 respectively with two sets of support pipe fitting 5 fixedly link to each other can.
Example two
Referring to fig. 6, in this embodiment, when three sets of tube bodies 1 are placed as shown in fig. 6, a set of support bases 4 may be disposed, where the support bases 4 are disposed at the middle positions of the two sets of tube bodies 1 at the lowest end and serve as bottom supports together with the tube bodies 1 at the two sides, so that no matter how many tube bodies 1 are disposed, the lower ends of the protection sleeves may have good support effects by matching with different numbers of support bases 4, and product applicability is improved.
Specifically, when in use, firstly, after one side surface of one pipe body 1 and one side surface of the other pipe body 1 are mutually aligned and spliced with the connecting groove 12, when the end surface alignment work is to be completed, the supporting plate 32 is pulled firstly and the limiting rod is driven to be far away from the through hole 13, then the splicing work is continued, after the end surfaces of the two pipe bodies 1 are flush, the supporting plate 32 is loosened, under the action of the compression spring 33, the limiting rod can reset and enter the inside of the limiting hole 21 and strengthen the connecting effect between the two pipe bodies 1, after the splicing of the other pipe bodies 1 is completed according to the steps, a proper number of supporting bases 4 are assembled at the lower ends of the supporting pipe fittings 5 according to the actual use requirements, then the supporting pipe fittings 5 of different groups are mutually connected through the fixing plate 6, and finally, the cable penetrates into the inside of the accommodating cavity 11 to complete the placement of the cable.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention, but any modifications, equivalents, improvements, etc. within the principles of the present invention should be included in the scope of the present invention.

Claims (9)

1. The utility model provides a power wire cable protective sleeve which characterized in that: comprising the following steps:
the cable tube comprises a tube body (1), wherein a containing cavity (11) for placing a cable is formed in the middle of the tube body (1);
The connecting rods (2) are clamped between two adjacent pipe bodies (1) through a plurality of connecting rods (2), and a plurality of connecting grooves (12) matched with the connecting rods (2) are formed in the side surfaces of the pipe bodies (1);
The support piece (3), the tube body (1) is provided with the support piece (3) used for supporting the cable at the position corresponding to the end part of each connecting groove (12), the support piece (3) comprises a support plate (32) connected with the inner wall of the accommodating cavity (11) through a plurality of buffer springs (31), a compression spring (33) connected with the support plate (32) and a limit column (34) connected with the other end of the compression spring (33) and extending to the inside of the connecting groove (12);
and the connecting rod (2) is provided with a limiting hole (21) at a position corresponding to the limiting column (34).
2. A power wire and cable protective sleeve according to claim 1 wherein: m connecting rods (2) and n connecting grooves (12) are arranged on one side face of the pipe body (1), and n connecting rods (2) and m connecting grooves (12) are arranged on the side face adjacent to the side face.
3. A power wire and cable protective sleeve according to claim 1 wherein: the cross-sectional shape of the connecting rod (2) is matched with the cross-sectional shape of the connecting groove (12).
4. A power wire and cable protective sleeve according to claim 1 wherein: the pipe body (1) is provided with a through hole (13) at a position corresponding to the limit column (34), and the through hole (13) and the connecting groove (12) are communicated with each other.
5. A power wire and cable protective sleeve according to claim 1 wherein: the support plates (32) are matched with each other to form a circular ring shape.
6. A power wire and cable protective sleeve according to claim 1 wherein: the inner side of the supporting plate (32) is provided with a buffer layer (321), and the buffer layer (321) is made of natural rubber.
7. A power wire and cable protective sleeve according to any one of claims 1-6 wherein: the lower ends of the plurality of pipe bodies (1) are also provided with supporting bases (4) matched with the pipe bodies (1), and the side surfaces of the upper ends of the supporting bases (4) are respectively provided with connecting rods (2) or connecting grooves (12) matched with the pipe bodies (1).
8. A power wire and cable protective sleeve according to claim 7 wherein: the pipe bodies (1) and the supporting bases (4) form a group of supporting pipe fittings (5), two adjacent groups of supporting pipe fittings (5) are connected through a fixing plate (6), and the fixing plate (6) is matched with the section of the supporting pipe fittings (5).
9. A power wire and cable protective sleeve according to claim 8 wherein: the fixing plate (6) is provided with a mounting hole (61) at a position corresponding to the limiting hole (21), and the fixing plate (6) is fixedly connected with the supporting pipe fitting (5) through a plurality of fasteners (7).
CN202410418501.5A 2024-04-09 2024-04-09 Power wire and cable protective sleeve Pending CN118074031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410418501.5A CN118074031A (en) 2024-04-09 2024-04-09 Power wire and cable protective sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410418501.5A CN118074031A (en) 2024-04-09 2024-04-09 Power wire and cable protective sleeve

Publications (1)

Publication Number Publication Date
CN118074031A true CN118074031A (en) 2024-05-24

Family

ID=91097415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410418501.5A Pending CN118074031A (en) 2024-04-09 2024-04-09 Power wire and cable protective sleeve

Country Status (1)

Country Link
CN (1) CN118074031A (en)

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