Cable transmission input ground protection structure

Abstract

The utility model relates to the technical field of cable grounding protection, in particular to a cable transmission input grounding protection structure which comprises a cable inlet assembly, a cable bunching assembly is arranged below the cable inlet assembly, a relay assembly is arranged between the cable bunching assembly and the cable inlet assembly, and connecting assemblies are arranged between the cable inlet assembly and the relay assembly and between the cable bunching assembly and the relay assembly for fixed connection. When the cable bundle assembly is used, through the angle direction use of the relay column piece, the cable bundle assembly can avoid blocking in complex terrains and obstacles for overall installation of the protection pipe assembly in the connecting process, and therefore the adaptability of assembly installation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable grounding protection, in particular to a cable transmission grounding protection structure. Background Art

[0002] In order to prevent the electric pole cables from being damaged by human factors, a protective tube is usually placed on the outer part of the cables at the bottom of the electric poles; the protective tube is an integrated metal tube, and the cables need to be inserted into the outer protective tube of the cables during installation. This installation structure does not take into account post-maintenance, which will extend the operation time and is not conducive to emergency repairs. In addition, it is impossible to bend and change the underground path for complex terrain. Therefore, those skilled in the art have provided a cable transmission underground protection structure to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a cable transmission input protection structure, including a cable entry assembly, a cable binding assembly is arranged below the cable entry assembly, a relay assembly is arranged between the cable binding assembly and the cable entry assembly, and a connecting assembly is arranged between the cable entry assembly and the cable binding assembly and the relay assembly for fixed connection;

[0004] The cable entry assembly includes a cable entry column, an arc-shaped notch, a bolt groove, a limiting cover plate, an arc-shaped slot, a positioning hole, a bolt hole, a bolt, an arc-shaped shell, a convex strip, an arc-shaped groove, a positioning column and a bolt seat. The side end of the cable entry column is annularly provided with a plurality of arc-shaped notches, and the middle of the upper and lower end surfaces of the cable entry column are provided with a plurality of bolt grooves. The left and right sides of the cable entry column are symmetrically provided with an arc-shaped shell, and a bolt seat is fixedly installed at the four corners of the outer end surface of the arc-shaped shell.

[0005] The relay center assembly includes a relay center column, a special-shaped column groove, a special-shaped arc-shaped shell and a second bolt seat. The side end of the relay center column is annularly provided with a plurality of special-shaped column grooves, the upper end notches of the special-shaped column grooves are butted with the arc-shaped slot holes, and both sides of the relay center column are provided with special-shaped arc-shaped shells that fit the outer end faces of the relay center column, and the second bolt seat is fixedly installed at the four corners of the outer end faces of the special-shaped arc-shaped shells;

[0006] The cable tie assembly includes a cable tie column, a cable tie column groove, a second bolt groove, a limiting cover, a column groove, a second positioning hole, a second bolt hole, a second bolt, a second arc-shaped shell, a semi-arc plate, a third bolt seat and a second positioning column. The side end of the cable tie column is annularly provided with a plurality of cable tie column grooves, the cable tie column groove is a notched limiting groove, the side end surface of the cable tie column is symmetrically provided with a second arc-shaped shell, and a third bolt seat is fixedly installed at the four corners of the outer end surface of the second arc-shaped shell;

[0007] The connecting component includes a splicing plate and a nut-bolt group. The splicing plate is inserted between the first socket and the second socket, and between the second socket and the third socket. The nut-bolt group is arranged on the splicing plate, so as to strengthen the connection fastening of the splicing plate through the nut-bolt group, and then increase the connection stability between the first socket and the second socket, and between the second socket and the third socket, so that the cable inlet component, the relay component and the cable bundling component are firmly connected.

[0008] Preferably: Limit cover plates are arranged on both the upper and lower sides of the cable inlet column member. A first bolt hole is opened in the middle of the limit cover plate. A first bolt is arranged in the first bolt hole, and the limit cover plate is fixedly installed at the column end of the cable inlet column member through the first bolt.

[0009] Preferably: Arc-shaped slot holes and first positioning holes are alternately arranged in a ring along the edge of the limit cover plate, and the arc-shaped slot holes are correspondingly arranged with the arc-shaped slot openings.

[0010] Preferably: A ring of fixed convex strips is arranged on the inner side of the first arc-shaped housing. An arc-shaped slot is opened between the convex strips. A circular through hole for the cable is formed between the arc-shaped slot and the arc-shaped slot opening. First positioning columns are fixedly installed in the middle of the upper and lower end faces of the convex strips, and the first positioning columns are correspondingly inserted into the first positioning holes.

[0011] Preferably: A plurality of second bolt slots are opened in the middle of the end face of the cable bundling column member. Limit cover members are arranged on the end faces at both ends of the cable bundling column member. A plurality of second bolt holes are annularly opened in the middle of the limit cover member. A second bolt is arranged in the second bolt hole, and the limit cover member is fastened in the second bolt slot through the second bolt, and the limit cover member is installed at both ends of the cable bundling column member.

[0012] Preferably: Column slot openings and second positioning holes are alternately arranged in a ring along the edge of the limit cover member. The column slot openings are correspondingly arranged with the cable bundling column slots. A semi-circular arc plate is fixedly installed on the inner side end face of the second arc-shaped housing. A plurality of second positioning columns are annularly fixed on the end face of the semi-circular arc plate, and the second positioning columns are correspondingly arranged with the second positioning holes, so that the semi-circular arc plate fits on the outer side of the cable bundling column member.

[0013] The technical effects and advantages of the present utility model:

[0014] 1. When the present utility model is used, the circular through hole for the cable formed between the arc-shaped slot opening and the arc-shaped slot serves as the cable inlet, and the arc-shaped slot hole in the shape of a notch is used as a fixing member for cable limit, so as to ensure that the cable can be smoothly guided downward. Then, the special-shaped column slot on the relay column member is used as the travel path for cable bending. With the overall column slot in the shape of a similar triangle, the cable enters from the edge of the relay column member to the position offset from the central axis, and is limited and fixed in cooperation with the cable bundling column slot. Thus, after the cable enters the ground, the cable wires can be arranged as a whole, reducing the combing of the cable wires during the later maintenance process, and using the corresponding notch of the cable bundling column slot to pull out the cable, reducing the maintenance difficulty of the cable and the difficulty of emergency rescue.

[0015] 2. When the utility model is in use, by adjusting the angle of the middle connecting column member, during the connection process of the cable bundling assembly, obstacles in complex terrains can be avoided, and obstacles to the overall installation of the protection pipe assembly can be overcome, thereby increasing the adaptability of the assembly installation.

[0016] 3. When the utility model is in use, the connection between the splicing plates is strengthened by the nut-bolt group, and then the connection stability between the first socket and the second socket and between the second socket and the third socket is increased, so that the cable inlet assembly, the middle connecting assembly, and the cable bundling assembly are firmly connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the structural schematic diagram provided by this application;

[0018] Figure 2 is the structural schematic diagram of the cable inlet assembly provided by this application;

[0019] Figure 3 is the structural schematic diagram of the middle connecting assembly provided by this application;

[0020] Figure 4 is the structural schematic diagram of the cable bundling assembly provided by this application;

[0021] In the figure: 1. Cable inlet assembly; 2. Middle connecting assembly; 3. Cable bundling assembly; 4. Connection assembly;

[0022] 11. Cable inlet column member; 12. Arc-shaped notch; 13. First bolt groove; 14. Limit cover plate; 15. Arc-shaped slot hole; 16. First positioning hole; 17. First bolt hole; 18. First bolt; 19. First arc-shaped housing; 110. Rib; 111. Arc-shaped groove; 112. First positioning column; 113. First socket;

[0023] 21. Middle connecting column member; 22. Special-shaped column groove; 23. Special-shaped arc-shaped housing; 24. Second socket;

[0024] 31. Cable bundling column member; 32. Cable bundling column groove; 33. Second bolt groove; 34. Limit cover member; 35. Column notch; 36. Second positioning hole; 37. Second bolt hole; 38. Second bolt; 39. Second arc-shaped housing; 310. Semi-circular arc plate; 311. Third socket; 312. Second positioning column;

[0025] 41. Splicing plate; 42. Nut-bolt group. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0027] Please refer to Figures 1 to 4 , in this embodiment, a cable transmission and grounding protection structure is provided, including an incoming cable assembly 1. A cable bundling assembly 3 is arranged below the incoming cable assembly 1. A relay middle assembly 2 is arranged between the cable bundling assembly 3 and the incoming cable assembly 1. Connection assemblies 4 are arranged between the incoming cable assembly 1, the cable bundling assembly 3 and the relay middle assembly 2 for fixed connection;

[0028] The incoming cable assembly 1 includes an incoming cable column member 11, an arc-shaped notch 12, a bolt groove 13, a limit cover plate 14, an arc-shaped slot hole 15, a positioning hole 16, a bolt hole 17, a bolt 18, an arc-shaped outer shell 19, a rib 110, an arc-shaped groove 111, a positioning column 112 and a bolt seat 113. A plurality of arc-shaped notches 12 are annularly arranged at the side end of the incoming cable column member 11. A plurality of bolt grooves 13 are arranged in the middle of the upper and lower end faces of the incoming cable column member 11. Limit cover plates 14 are arranged on both the upper and lower sides of the incoming cable column member 11. A bolt hole 17 is arranged in the middle of the limit cover plate 14, and a bolt 18 is arranged in the bolt hole 17. The limit cover plate 14 is fixedly installed at the column end of the incoming cable column member 11 through the bolt 18. Arc-shaped slot holes 15 and positioning holes 16 are annularly and staggeredly arranged along the edge of the limit cover plate 14. The arc-shaped slot holes 15 are correspondingly arranged with the arc-shaped notches 12. Arc-shaped outer shells 19 are symmetrically arranged on both the left and right sides of the incoming cable column member 11. A rib 110 is fixedly installed annularly on the inner side of the arc-shaped outer shell 19. An arc-shaped groove 111 is arranged between the ribs 110. A cable circular through hole is formed between the arc-shaped groove 111 and the arc-shaped notch 12. A positioning column 112 is fixedly installed in the middle of the upper and lower end faces of the rib 110. The positioning column 112 is correspondingly inserted into the positioning hole 16. Bolt seats 113 are fixedly installed at the four corners of the outer side end face of the arc-shaped outer shell 19;

[0029] The relay middle assembly 2 includes a relay middle column member 21, a special-shaped column groove 22, a special-shaped arc-shaped outer shell 23 and a bolt seat 24. A plurality of special-shaped column grooves 22 are annularly arranged at the side end of the relay middle column member 21. The upper slot opening of the special-shaped column groove 22 is butted against the arc-shaped slot hole 15. Special-shaped arc-shaped outer shells 23 are arranged on both sides of the relay middle column member 21 and are attached to the outer side end face of the relay middle column member 21. Bolt seats 24 are fixedly installed at the four corners of the outer side end face of the special-shaped arc-shaped outer shell 23;

[0030] The cable bundling assembly 3 includes a cable bundling column member 31, a cable bundling column groove 32, a second bolt groove 33, a limiting cover member 34, a column groove opening 35, a second positioning hole 36, a second bolt hole 37, a second bolt 38, an arc-shaped outer shell 39, a semi-arc plate 310, a bolt seat 311, and a second positioning column 312. A plurality of cable bundling column grooves 32 are annularly formed at the side end of the cable bundling column member 31. The cable bundling column groove 32 is a limiting groove with a notch. A plurality of second bolt grooves 33 are formed in the middle of the column end face of the cable bundling column member 31. Limiting cover members 34 are provided at both ends of the column end face of the cable bundling column member 31. A plurality of second bolt holes 37 are annularly formed in the middle of the limiting cover member 34. A second bolt 38 is arranged in the second bolt hole 37. The limiting cover member 34 is fastened in the second bolt groove 33 through the second bolt 38, and the limiting cover member 34 is installed at both ends of the cable bundling column member 31. The column groove opening 35 and the second positioning hole 36 are alternately annularly formed along the edge of the limiting cover member 34. The column groove opening 35 is correspondingly arranged with the cable bundling column groove 32. Arc-shaped outer shells 39 are symmetrically arranged on the side end face of the cable bundling column member 31. A semi-arc plate 310 is fixedly installed on the inner end face of the arc-shaped outer shell 39. A plurality of second positioning columns 312 are annularly fixed on the end face of the semi-arc plate 310. The second positioning column 312 is correspondingly arranged with the second positioning hole 36. Thus, the semi-arc plate 310 is attached to the outside of the cable bundling column member 31. Bolt seats 311 are fixedly installed at the four corners of the outer end face of the arc-shaped outer shell 39;

[0031] The connection assembly 4 includes a parallel connection plate 41 and a nut-bolt group 42. The parallel connection plate 41 is inserted between the first bolt seat 113 and the second bolt seat 24 and between the second bolt seat 24 and the bolt seat 311. The nut-bolt group 42 is arranged on the parallel connection plate 41, so as to strengthen the connection fastening of the parallel connection plate 41 through the nut-bolt group 42, and then increase the connection stability between the first bolt seat 113 and the second bolt seat 24 and between the second bolt seat 24 and the bolt seat 311, making the cable inlet assembly 1, the intermediate relay assembly 2, and the cable bundling assembly 3 firmly connected.

[0032] The working principle of the present utility model is:

[0033] When the utility model is in use, the circular through-hole for the cable formed between the arc-shaped notch 12 and the arc-shaped groove 111 serves as the cable inlet, and the notch-shaped arc-shaped groove hole 15 is used as a fixing piece for cable limit, so as to ensure the smooth downward guiding of the cable. Then, the special-shaped column groove 22 on the middle column piece 21 is used as the travel path for cable bending. With the overall column groove in a triangular shape, the cable enters from the edge of the middle column piece 21 to the position offset from the central axis, and is limited and fixed in cooperation with the cable-bundling column groove 32. Thus, after the cable enters the ground, the cable wires can be arranged as a whole, reducing the combing of the cable wires during the later maintenance process. The corresponding notch of the cable-bundling column groove 32 is used to pull out the cable, reducing the maintenance difficulty of the cable and the difficulty of emergency rescue. At the same time, by using the middle column piece 21 at an angle, during the connection of the cable-bundling assembly 3, the obstacles in the complex terrain can be avoided and the obstacles for the overall installation of the protection tube assembly can be overcome, thereby increasing the adaptability of the component installation. And the connection between the splicing plate 41 is strengthened by the nut and bolt group 42, and then the connection stability between the first socket 113 and the second socket 24 and between the second socket 24 and the third socket 311 is increased, making the cable inlet assembly 1, the middle assembly 2 and the cable-bundling assembly 3 firmly connected.

[0034] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, shall be implemented by conventional means in the art.

Claims

1. A cable transmission ground protection structure, comprising a cable entry assembly (1), characterized in that: A cable binding assembly (3) is arranged below the cable entry assembly (1), a relay assembly (2) is arranged between the cable binding assembly (3) and the cable entry assembly (1), and a connecting assembly (4) is arranged between the cable entry assembly (1) and the cable binding assembly (3) and the relay assembly (2) for fixed connection; The cable entry assembly (1) comprises a cable entry column (11), an arc-shaped notch (12), a bolt groove (13), a limiting cover plate (14), an arc-shaped slot hole (15), a positioning hole (16), a bolt hole (17), a bolt (18), an arc-shaped shell (19), a convex strip (110), an arc-shaped slot (111), a positioning column (112) and a bolt seat (113). The side end of the cable entry column (11) is provided with a plurality of arc-shaped notches (12) in an annular shape. The middle part of the upper and lower end surfaces of the cable entry column (11) is provided with a plurality of bolt grooves (13). The left and right sides of the cable entry column (11) are symmetrically provided with an arc-shaped shell (19). The bolt seats (113) are fixedly installed at the four corners of the outer end surface of the arc-shaped shell (19). The intermediate component (2) comprises an intermediate column (21), a special-shaped column groove (22), a special-shaped arc-shaped shell (23) and a second bolt seat (24); a plurality of special-shaped column grooves (22) are annularly provided at the side end of the intermediate column (21); the upper end notches of the special-shaped column grooves (22) are butted with the arc-shaped slot holes (15); special-shaped arc-shaped shells (23) fitting the outer end faces of the intermediate column (21) are provided on both sides of the intermediate column (21); and the second bolt seat (24) is fixedly installed at the four corners of the outer end faces of the special-shaped arc-shaped shell (23); The cable tying assembly (3) comprises a cable tying column (31), a cable tying column groove (32), a second bolt groove (33), a limiting cover (34), a column groove (35), a second positioning hole (36), a second bolt hole (37), a second bolt (38), a second arc-shaped shell (39), a semi-arc plate (310), a third bolt seat (311) and a second positioning column (312); a plurality of cable tying column grooves (32) are annularly provided at the side end of the cable tying column (31); the cable tying column groove (32) is a notched limiting groove; a second arc-shaped shell (39) is symmetrically arranged on the side end surface of the cable tying column (31); and a third bolt seat (311) is fixedly installed at the four corners of the outer end surface of the second arc-shaped shell (39); The connection assembly (4) comprises a connecting plate (41) and a nut and bolt group (42); the connecting plate (41) is inserted between the first bolt seat (113) and the second bolt seat (24) and between the second bolt seat (24) and the third bolt seat (311); and the connecting plate (41) is provided with a nut and bolt group (42).

2. The cable transmission ground protection structure according to claim 1, characterized in that: The upper and lower sides of the cable entry column (11) are both provided with limit cover plates (14), and a bolt hole (17) is opened in the middle of the limit cover plate (14). A bolt (18) is arranged in the bolt hole (17), and the limit cover plate (14) is fixedly installed on the column end of the cable entry column (11) by the bolt (18).

3. The cable transmission ground protection structure according to claim 2, characterized in that: The limiting cover plate (14) is provided with arc-shaped slot holes (15) and positioning holes (16) in an annular and staggered manner along the edge, and the arc-shaped slot holes (15) are arranged correspondingly to the arc-shaped notches (12).

4. The cable transmission ground protection structure according to claim 3, characterized in that: The arc-shaped housing (19) has an annular fixed convex strip (110) on the inner side, an arc-shaped groove (111) is provided between the convex strips (110), a circular cable through hole is formed between the arc-shaped groove (111) and the arc-shaped groove opening (12), and a positioning column (112) is fixedly installed in the middle of the upper and lower end surfaces of the convex strip (110), and the positioning column (112) is correspondingly plugged into the positioning hole (16).

5. The cable transmission ground protection structure according to claim 1, characterized in that: A plurality of bolt grooves (33) are provided in the middle of the column end surface of the cable tie column (31), and limit cover components (34) are provided on both end surfaces of the cable tie column (31). A plurality of bolt holes (37) are provided in the middle of the limit cover component (34) in an annular shape, and bolts (38) are provided in the bolt holes (37). The limit cover component (34) is fastened in the bolt grooves (33) by the bolts (38), and the limit cover component (34) is installed at both ends of the cable tie column (31).

6. The cable transmission ground protection structure according to claim 5, characterized in that: The limiting cover (34) is provided with column slots (35) and two positioning holes (36) in an alternating annular shape along the edge; the column slots (35) are arranged corresponding to the cable tie column slots (32); a semi-arc plate (310) is fixedly installed on the inner end surface of the second arc-shaped shell (39); a plurality of second positioning columns (312) are annularly fixed on the end surface of the semi-arc plate (310); the second positioning columns (312) are arranged corresponding to the second positioning holes (36); the semi-arc plate (310) is thus fitted on the outer side of the cable tie column (31).

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