A power conduit damage-proof sealing device

Abstract

The application belongs to the technical field of electric power pipeline, and specifically discloses an electric power pipeline anti-damage sealing device, which comprises a pipeline body, a maintenance groove is formed in the top of the pipeline body, the inner wall of the maintenance groove is fixedly connected with two connecting blocks which are symmetrically distributed, a cover plate is arranged on the top of the pipeline body, and the surface of the cover plate is provided with a connecting screw rod; the connecting assembly is arranged, the sealing air bag can be automatically inflated to fill and wrap the cable during the connection of the two pipeline bodies, good sealing is realized, the cross-sectional shape of the connecting gap of the first connecting ring and the second connecting ring is in Z-shaped distribution through the cooperation of the connecting groove and the sliding groove, the difficulty of water seepage is increased, the sealing effect of the connecting position is further improved, the inflated sealing air bag can better realize the sealing protection of the cable, and the operation is simple and convenient, so that the installation efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of power pipelines, and particularly discloses a power pipeline damage-preventing sealing device. BACKGROUND

[0002] At present, power cable installation is mostly carried out by laying underground, and the power cable is installed in a horizontally stretched cable pipeline under the ground. The cable pipeline is formed by butt jointing and installing a plurality of power pipelines of the same specification. The power pipeline is mostly a hollow cylindrical structure. The length of the power pipeline is generally fixed, and the length required for construction is much greater than the length of a section of the power pipeline. During construction, the power pipeline is assembled and spliced for use. In the prior art, the connection operation of two sections of the pipeline is relatively cumbersome, time-consuming and labor-consuming, which affects the installation efficiency. Meanwhile, the sealing performance of the connection of the two sections of the pipeline is insufficient. Underground water is easy to penetrate into the power pipeline and cause damage to the cable.

[0003] Through retrieval, a power pipeline connecting device (publication number CN217741274U) is disclosed in a Chinese patent. In the patent, the inner side wall of the annular rubber block is expanded and attached to the outer surface of the power pipeline a to realize the fixation of the power pipeline a and the power pipeline b and eliminate the connection gap between the power pipeline a and the annular rubber block. The connection of the power pipeline a and the power pipeline b is sealed to prevent water from penetrating into the power pipeline a and the power pipeline b and causing damage to the cable therein, and the protection of the cable is effectively improved. However, the installation implementation is relatively cumbersome. Therefore, a power pipeline damage-preventing sealing device is provided by a person skilled in the art to solve the problems in the background art. SUMMARY

[0004] Therefore, the purpose of the present application is to provide a power pipeline damage-preventing sealing device to solve the problem of the relatively cumbersome installation implementation in the prior art.

[0005] To achieve the above purpose, the present application provides a power pipeline damage-preventing sealing device, which comprises a pipeline body. A maintenance groove is formed in the top of the pipeline body. Two connecting blocks are fixedly connected to the inner wall of the maintenance groove and are symmetrically distributed. A cover plate is arranged on the top of the pipeline body. A connecting screw is arranged on the surface of the cover plate. The lower end of the connecting screw penetrates through the cover plate and is threadedly connected to the inner wall of the connecting block. An auxiliary assembly is arranged on the surface of the pipeline body. A connecting assembly is arranged in the pipeline body. Two pipeline bodies are butt jointed through the connecting assembly.

[0006] The connecting assembly comprises a first connecting ring and a second connecting ring fixedly connected to the inner wall of the pipeline body, the first connecting ring and the second connecting ring are symmetrically distributed, and the opposite ends of the first connecting ring and the second connecting ring penetrate out of the pipeline body, the inner side of the first connecting ring is provided with a connecting groove, the surface of the second connecting ring is provided with a sliding groove, one end of the second connecting ring provided with the sliding groove forms a butt joint part, and the outer diameter of the butt joint part is equal to the inner diameter of the connecting groove.

[0007] In the above technical scheme, preferably, the inside of the first connecting ring and the second connecting ring is provided with a gas storage cavity, a pressing ring is slidably connected to the inner wall of the gas storage cavity, one side of the pressing ring is fixedly connected with a spring, the other end of the spring is fixedly connected with the inner wall of the gas storage cavity, and inert gas is filled between the side of the pressing ring close to the spring and the gas storage cavity.

[0008] In the above technical scheme, preferably, the inner side of the first connecting ring and the second connecting ring is embeddedly installed with a sealing air bag, the surface of the sealing air bag is communicated with uniformly distributed conduits, and the other ends of the conduits are communicated with the gas storage cavity.

[0009] In the above technical scheme, preferably, the inner wall of the connecting groove is slidably connected with uniformly distributed trigger plates, the surface of the trigger plate is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with the surface of the adjacent pressing ring.

[0010] In the above technical scheme, preferably, the surface of the second connecting ring is provided with a sliding ring slidably connected with the inner wall of the sliding groove, the surface of the sliding ring is fixedly connected with a mounting rod, and the other end of the mounting rod is fixedly connected with the surface of the adjacent pressing ring.

[0011] In the above technical scheme, preferably, the auxiliary assembly comprises a connecting shell fixedly connected to the surface of the pipeline body, the inner wall of the connecting shell is fixedly connected with uniformly distributed reinforcing plates, the surface of the reinforcing plate is provided with uniformly distributed through holes, and the surface of the connecting shell is provided with two groups of filter holes which are symmetrically distributed.

[0012] In the above technical scheme, preferably, the bottom of the connecting shell is communicated with a mounting box, and the surface of the mounting box is provided with uniformly distributed drainage holes.

[0013] In the above technical scheme, preferably, the auxiliary assembly further comprises a plurality of support blocks fixedly connected to the inner wall of the pipeline body and uniformly distributed, the cross section of the support block is arc-shaped, and the top of the support block is provided with uniformly distributed grooves.

[0014] In the above technical solution, preferably, the outer side of the supporting block is embedded with heat exchange fins, the surface of the heat exchange fins is fixedly connected with heat exchange plates, and the other end of the heat exchange plates extends to the inside of the installation box.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] By setting the connecting assembly, the sealing air bag can be automatically inflated to fill and wrap the cable during the connection of the two pipeline bodies, achieving good sealing. Meanwhile, the mutual cooperation of the connecting groove and the sliding groove makes the cross-sectional shape of the connecting gap of the first connecting ring and the second connecting ring present a Z-shaped distribution, making it difficult for water to seep in, further improving the sealing effect of the connection. In combination with the inflated sealing air bag, the cable can be better sealed and protected, and the operation is simple, which can effectively improve the installation efficiency.

[0017] By setting the auxiliary assembly, a low-pressure area can be actively formed on the outside of the pipeline body, so that the low-pressure area can be used to collect water and guide water flow into the inside of the connecting shell. This kind of setting mode can reduce the influence of water in the soil on the connection gap of the pipeline body, and at the same time, the water flow passing through the inside of the connecting shell can be used to cool the heat generated during the operation of the cable, providing a good working environment for the cable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a sectional view of the present application;

[0020] Figure 3 is a structural schematic view of the auxiliary assembly of the present application;

[0021] Figure 4 is a separated schematic view of the cover plate of the present application;

[0022] Figure 5 is a connecting schematic view of the connecting assembly and the pipeline body of the present application;

[0023] Figure 6 is a distribution schematic view of the first connecting ring, the connecting groove and the trigger plate of the present application;

[0024] Figure 7 is a connecting schematic view of the sliding ring and the second connecting ring of the present application.

[0025] As shown in the figure: 1, pipeline body; 101, cover plate; 102, connecting screw; 103, connecting block; 2, connecting assembly; 201, first connecting ring; 202, connecting groove; 203, connecting rod; 204, trigger plate; 205, gas storage cavity; 206, conduit; 207, spring; 208, extrusion ring; 209, sealing air bag; 210, second connecting ring; 211, slip ring; 212, mounting rod; 3, auxiliary assembly; 301, support block; 302, groove; 303, heat exchange fin; 304, heat exchange plate; 305, connecting shell; 306, mounting box; 307, reinforcing plate; 308, filter hole; 309, through hole. DETAILED DESCRIPTION

[0026] In order to enable more clear understanding of the above-mentioned objects, features and advantages of the present application, the present application is further described in detail below in combination with the drawings and specific embodiments.

[0027] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the present application, however, the present application can also be implemented in other different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] As Figures 1-7 shown in a kind of electric power pipeline loss prevention sealing device, including pipeline body 1, the top of pipeline body 1 is provided with maintenance slot, the inner wall of maintenance slot is fixedly connected with the connecting block 103 of two and symmetric distribution, the top of pipeline body 1 is provided with cover plate 101, the surface of cover plate 101 is provided with connecting screw 102, the lower end of connecting screw 102 penetrates cover plate 101 and is threadedly connected with the inner wall of connecting block 103, the surface of pipeline body 1 is provided with auxiliary assembly 3, the inside of pipeline body 1 is provided with connecting assembly 2, two pipeline body 1 is connected by connecting assembly 2 butt joint;

[0029] Wherein, connecting assembly 2 includes the first connecting ring 201 and the second connecting ring 210 fixedly connected to the inner wall of pipeline body 1, the first connecting ring 201 and the second connecting ring 210 are symmetrically distributed, and the opposite ends of the first connecting ring 201 and the second connecting ring 210 are penetrated out of pipeline body 1, the inner side of first connecting ring 201 is provided with connecting groove 202, the surface of second connecting ring 210 is provided with sliding slot, and the end of second connecting ring 210 provided with sliding slot forms butt joint part, the outer diameter of butt joint part is equal to the inner diameter of connecting groove 202.

[0030] By disassembling connecting screw 102, cover plate 101 can be removed to facilitate maintenance and repair of cable later.

[0031] When the two pipe bodies 1 are butted, one end of the second connecting ring 210 on one of the pipe bodies 1 is inserted into the connecting groove 202 of the other pipe body 1 until the ends of the two pipe bodies 1 are in contact after installation, at which time the butt joint gap of the two pipe bodies 1 is in "Z" type distribution under the cooperation of the first connecting ring 201 and the second connecting ring 210, effectively improving the sealing effect and reducing the occurrence of water seepage at the connecting gap of the buried pipe body 1, while improving the efficiency of the pipe body 1 butt joint and the laying efficiency of the pipe body 1.

[0032] As shown in Figures 1-7 The inner wall of the gas storage cavity 205 is slidingly connected with an extrusion ring 208, one side of the extrusion ring 208 is fixedly connected with a spring 207, the other end of the spring 207 is fixedly connected with the inner wall of the gas storage cavity 205, and the side of the extrusion ring 208 close to the spring 207 is filled with inert gas between the gas storage cavity 205.

[0033] The inner wall of the first connecting ring 201 and the second connecting ring 210 is slidingly connected with an extrusion ring 208, one side of the extrusion ring 208 is fixedly connected with a spring 207, the other end of the spring 207 is fixedly connected with the inner wall of the gas storage cavity 205, and the side of the extrusion ring 208 close to the spring 207 is filled with inert gas between the gas storage cavity 205.

[0034] The inner wall of the first connecting ring 201 and the second connecting ring 210 is slidingly connected with an extrusion ring 208, one side of the extrusion ring 208 is fixedly connected with a spring 207, the other end of the spring 207 is fixedly connected with the inner wall of the gas storage cavity 205, and the side of the extrusion ring 208 close to the spring 207 is filled with inert gas between the gas storage cavity 205.

[0035] The surface of the second connecting ring 210 is provided with a sliding ring 211 slidingly connected with the inner wall of the sliding groove, the surface of the sliding ring 211 is fixedly connected with a mounting rod 212, and the other end of the mounting rod 212 is fixedly connected with the surface of the adjacent extrusion ring 208.

[0036] In the process of connecting the two pipe bodies 1, the end of the first connecting ring 201 can push the sliding ring 211 to slide along the inner wall of the sliding groove, so that the mounting rod 212 is inserted into the inside of the gas storage cavity 205, and in the process, the inert gas stored in the inside of the gas storage cavity 205 can be squeezed, and the squeezed inert gas can be injected into the inside of the adjacent sealing air bag 209 through the communication conduit 206 and inflate the sealing air bag 209, and the inflated sealing air bag 209 can wrap the cable placed in the inside of the pipe body 1, thereby enhancing the sealing strength of the connection between the two pipe bodies 1, further reducing the influence of water seepage on the cable during the burying process, and the end of the second connecting ring 210 can be inserted into the inside of the connecting groove 202, in the process, the trigger plate 204 can be pushed to insert the connecting rod 203 into the inside of the gas storage cavity 205, and in the process, the inert gas stored in the inside of the gas storage cavity 205 can be squeezed to inflate the other sealing air bag 209, further enhancing the sealing effect of the connection.

[0037] As shown in Figures 1-7 The auxiliary assembly 3 comprises a connecting shell 305 fixedly connected to the surface of the pipe body 1, and the inner wall of the connecting shell 305 is fixedly connected with uniformly distributed reinforcing plates 307, the surface of the reinforcing plate 307 is provided with uniformly distributed through holes 309, and the surface of the connecting shell 305 is provided with two groups of symmetrically distributed filter holes 308.

[0038] The bottom of the connecting shell 305 is communicated with a mounting box 306, and the surface of the mounting box 306 is provided with uniformly distributed drainage holes.

[0039] The auxiliary assembly 3 further comprises a plurality of support blocks 301 fixedly connected to the inner wall of the pipe body 1 and uniformly distributed, the cross-sectional shape of the support block 301 is arc-shaped, and the top of the support block 301 is provided with uniformly distributed grooves 302.

[0040] The outer side of the support block 301 is embedded with heat exchange fins 303, the surface of the heat exchange fin 303 is fixedly connected with heat exchange plates 304, and the other end of the heat exchange plate 304 extends to the inside of the mounting box 306.

[0041] By arranging the connecting shell 305, the water in the soil can flow into the inside of the connecting shell 305 through the filter holes 308 due to the smaller pressure in the inside of the connecting shell 305 compared with the soil after burying, so as to achieve the purpose of collecting water, reduce the influence of water in the buried soil on the pipe body 1, and actively collect water during use to enhance the heat dissipation effect of the pipe body 1, so that the heat generated by the cable during work can be gradually cooled by the flow of water in the inside of the connecting shell 305, reducing the heat accumulation caused by the heat generated by the cable during work, avoiding the situation that the heat accumulation affects the normal work of the cable or even damages the cable, and effectively improving the protection effect;

[0042] By setting the support block 301 can be used for the support of the cable, so that the cable does not directly with the inner wall of the pipe body 1, so that the cable and the pipe body 1 inner wall between the formation of a certain space, conducive to the heat generated during the cable working process of the emission, and the recess 302 can enhance the cable bottom heat dissipation effect, the setting of the heat exchange fin 303 can actively absorb the heat absorbed when the support block 301 and the cable contact and through the heat exchange plate 304 into the inside of the installation box 306, while the installation box 306 inside and the connecting shell 305 communication, so that the collection of water can enter the inside of the installation box 306 and through the drain hole, in this process can be cooled heat exchange plate 304, so as to cooperate with the heat exchange fin 303 and the support block 301 to enhance the heat dissipation effect of the cable.

[0043] The setting of the reinforcing plate 307 can enhance the compressive strength of the connecting shell 305, to avoid the deformation of the connecting shell 305 caused by the excessive pressure of the buried soil affecting the water collecting effect.

[0044] Working principle: when the two pipe bodies 1 are connected, the butt joint part formed at one end of the second connecting ring 210 on one of the pipe bodies 1 is inserted into the connecting groove 202 of the other pipe body 1, until the two pipe bodies 1 are in contact with each other after installation. At this time, under the cooperation of the first connecting ring 201 and the second connecting ring 210, the butt joint gap of the two pipe bodies 1 is in "Z" type distribution, which effectively improves the sealing effect and reduces the water seepage at the joint gap of the buried pipe body 1. At the same time, it can improve the efficiency of the pipe body 1 connection and the laying efficiency of the pipe body 1. During the connection of the two pipe bodies 1, the inert gas stored in the gas storage cavity 205 can be extruded. The extruded inert gas can be injected into the adjacent sealing air bag 209 through the conduit 206 in communication with it and inflate the sealing air bag 209. The inflated sealing air bag 209 can wrap the cable placed in the pipe body 1, thereby enhancing the sealing strength of the joint of the two pipe bodies 1 and further reducing the influence of water seepage during the burial process on the cable. During use, by setting the connecting shell 305, the water in the soil can flow into the inside of the connecting shell 305 through the filter hole 308 due to the smaller pressure inside the connecting shell 305 compared with the soil after burial, thereby achieving the purpose of water collection and reducing the influence of water in the buried soil on the pipe body 1. During use, the heat dissipation effect of the pipe body 1 can be enhanced by actively collecting water, so that the heat generated during the operation of the cable can be gradually cooled with the flow of water in the connecting shell 305, reducing the heat accumulation caused by the heat generated during the operation of the cable, avoiding the situation that the heat accumulation affects the normal operation of the cable or even damages the cable, and effectively improving the protection effect.

[0045] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A power conduit damage-proof sealing device comprising a conduit body (1), characterized in that, The top of the pipeline body (1) is provided with an inspection groove, the inner wall of the inspection groove is fixedly connected with two symmetrically distributed connecting blocks (103), the top of the pipeline body (1) is provided with a cover plate (101), the surface of the cover plate (101) is provided with a connecting screw rod (102), the lower end of the connecting screw rod (102) penetrates through the cover plate (101) and is in threaded connection with the inner wall of the connecting block (103), the surface of the pipeline body (1) is provided with an auxiliary assembly (3), the inside of the pipeline body (1) is provided with a connecting assembly (2), and the two pipeline bodies (1) are butted through the connecting assembly (2); Wherein, the connecting assembly (2) comprises a first connecting ring (201) and a second connecting ring (210) fixedly connected to the inner wall of the pipeline body (1), the first connecting ring (201) and the second connecting ring (210) are symmetrically distributed, and the opposite ends of the first connecting ring (201) and the second connecting ring (210) penetrate out of the pipeline body (1), the inner side of the first connecting ring (201) is provided with a connecting groove (202), the surface of the second connecting ring (210) is provided with a sliding groove, one end of the second connecting ring (210) provided with the sliding groove forms a butt joint part, and the outer diameter of the butt joint part is equal to the inner diameter of the connecting groove (202); The inside of the first connecting ring (201) and the second connecting ring (210) is provided with a gas storage cavity (205), the inner wall of the gas storage cavity (205) is slidably connected with an extrusion ring (208), one side of the extrusion ring (208) is fixedly connected with a spring (207), the other end of the spring (207) is fixedly connected with the inner wall of the gas storage cavity (205), and the side of the extrusion ring (208) close to the spring (207) is filled with inert gas between the gas storage cavity (205); The inner side of the first connecting ring (201) and the second connecting ring (210) is embeddedly installed with a sealing air bag (209), the surface of the sealing air bag (209) is communicated with uniformly distributed conduits (206), and the other end of the conduit (206) is communicated with the gas storage cavity (205); The auxiliary assembly (3) comprises a connecting shell (305) fixedly connected to the surface of the pipeline body (1), the inner wall of the connecting shell (305) is fixedly connected with uniformly distributed reinforcing plates (307), the surface of the reinforcing plate (307) is provided with uniformly distributed through holes (309), the surface of the connecting shell (305) is provided with two groups of symmetrically distributed filter holes (308), the bottom of the connecting shell (305) is communicated with a mounting box (306), and the surface of the mounting box (306) is provided with uniformly distributed drainage holes. The auxiliary assembly (3) further comprises a plurality of support blocks (301) fixedly connected to the inner wall of the pipeline body (1) and uniformly distributed, the cross-sectional shape of the support block (301) is arc-shaped, the top of the support block (301) is provided with uniformly distributed grooves (302), the outer side of the support block (301) is embeddedly installed with heat exchange fins (303), the surface of the heat exchange fin (303) is fixedly connected with heat exchange plates (304), and the other end of the heat exchange plate (304) extends into the inside of the mounting box (306); The inner wall of the connecting groove (202) is slidably connected with uniformly distributed trigger plates (204), the surface of the trigger plate (204) is fixedly connected with a connecting rod (203), and the other end of the connecting rod (203) is fixedly connected with the surface of the adjacent extrusion ring (208); The surface of the second connecting ring (210) is provided with a sliding ring (211) slidably connected with the inner wall of the sliding groove, the surface of the sliding ring (211) is fixedly connected with a mounting rod (212), and the other end of the mounting rod (212) is fixedly connected with the surface of the adjacent extrusion ring (208).

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