Communication engineering cable protection device

Abstract

The utility model relates to the technical field of protection, in particular to a communication engineering cable protection device which comprises two clamping plates which are distributed up and down, a lower fixing sleeve is arranged between the two clamping plates, an inner cylinder is placed in the lower fixing sleeve, an upper fixing sleeve is arranged on the upper surface of the lower fixing sleeve, and the upper fixing sleeve is provided with a lower fixing sleeve. The upper surface of the lower fixing sleeve is connected with an inner cylinder in a clamped mode, a rolling mechanism is arranged in the inner cylinder and comprises a retaining seat, a cover body and a steel ball, and the retaining seat is fixedly connected to the inner wall of the inner cylinder. And the connecting blocks are matched with the connecting grooves, so that the plurality of clamping plates are tidier during plugging, the due distance between the adjacent cables is ensured, and batch positioning is more convenient when the joint position is damaged and earth needs to be excavated in the later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection, and specifically relates to a communication engineering cable protection device. BACKGROUND

[0002] In the direct-buried cable laying, the joint position needs to be protected, and the adjacent cable spacing needs to be kept at 10 centimeters, and some protection devices also appear in the prior art, which can refer to the announcement No. CN222262134U, a high-strength stainless steel cable joint explosion-proof shell, comprising a first explosion-proof structure and a second explosion-proof structure, the first explosion-proof structure and the second explosion-proof structure are connected and clamped, the first explosion-proof structure and the second explosion-proof structure are positioned and arranged through the first fastening ring and the second fastening ring, and the first fastening ring and the second fastening ring are positioned and fixed through the positioning fastening frame, the first explosion-proof structure comprises an outer ring, a connecting protection frame and an inner ring.

[0003] The above-mentioned device protects the cable through a multi-layer structure, but when protecting the direct-buried cable joint position of communication engineering, the protective sleeve on the outer surface of the cable is affected by friction force and has a sliding blockage feeling, and lacks a limiting structure between adjacent cables, so that the spacing needs to be controlled artificially when laying multiple cables. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a communication engineering cable protection device to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A communication engineering cable protection device, comprising two clamping plates distributed upward and downward, a lower fixing sleeve is arranged between the two clamping plates, an inner cylinder is placed in the lower fixing sleeve, and an upper fixing sleeve is arranged on the upper surface of the lower fixing sleeve.

[0007] The upper surface of the lower fixing sleeve is clamped and connected with the inner cylinder, the inner cylinder is provided with a rolling mechanism, the rolling mechanism comprises a retaining seat, a cover body and steel balls, the retaining seat is fixedly connected to the inner wall of the inner cylinder and is arranged in a circular array around the center point of the cross section of the inner cylinder, the cover body is detachably connected to the outer surface of the retaining seat, and the steel balls are rollingly connected between the retaining seat and the cover body.

[0008] Further, the inner surfaces of the lower fixing sleeve and the upper fixing sleeve are provided with No. 2 clamping grooves, the outer surface of the inner cylinder is fixedly connected with a limiting ring, the limiting ring and the No. 2 clamping grooves are clamped and connected, and the outer surface of the limiting ring is provided with a limiting groove.

[0009] Further in, the upper surface of the clamping plate is threadedly connected with a fastening bolt, the two clamping plates are detachably connected through the fastening bolt, and the clamping plate limits the lower fixing sleeve and the upper fixing sleeve, so that the lower fixing sleeve and the upper fixing sleeve can clamp the inner cylinder.

[0010] Further in, adjacent surfaces of the lower fixing sleeve and the upper fixing sleeve are provided with a first clamping groove, the first clamping groove is internally inserted with a limiting strip, and the outer surface of the limiting strip is fixedly connected with a sealing rubber gasket.

[0011] Further in, one side surface of the clamping plate is fixedly connected with a connecting block, and the other side surface of the clamping plate is provided with a connecting groove.

[0012] Further in, the outer surface of the inner cylinder is nested with two protection half sleeves, and the outer surface of the protection half sleeve is provided with a groove.

[0013] Further in, the outer surface of the cover is threadedly connected with a connecting bolt, and the cover and the retaining seat are detachably connected with the inner cylinder through the connecting bolt.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The limiting strip and the first clamping groove are inserted, the lower fixing sleeve and the upper fixing sleeve are limited, axial movement between the lower fixing sleeve and the upper fixing sleeve is avoided, the sealing rubber gasket is extruded by the clamping force, the stability of the connection between the lower fixing sleeve and the upper fixing sleeve is improved, the connecting block and the connecting groove are matched, the multiple clamping plates are more neat during insertion, and the spacing between adjacent cables is ensured, and the batch positioning is more convenient when the joint position is damaged and needs to be excavated later;

[0016] 2. When the position of the inner cylinder needs to be adjusted, the inner cylinder is slid, the inner cylinder is connected with the cable in a rolling mode through the steel ball, the frictional resistance during sliding of the inner cylinder is reduced, and the inner cylinder is more smooth when moving to the joint position. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the overall structure of the utility model;

[0018] Figure 2 It is a schematic view of the splicing structure of the utility model;

[0019] Figure 3 It is a schematic view of the upper fixing sleeve structure of the utility model;

[0020] Figure 4 It is a schematic view of the protection half sleeve structure of the utility model;

[0021] Figure 5 It is a schematic view of the inner cylinder internal structure of the utility model.

[0022] In the figure: 1, the clamping plate; 101, the connecting block; 102, the fastening bolt; 103, the connecting groove; 2, the lower fixing sleeve; 201, the upper fixing sleeve; 202, the first clamping groove; 203, the second clamping groove; 3, the inner cylinder; 301, the limiting ring; 302, the limiting groove; 4, the protection half sleeve; 401, the groove; 5, the limiting strip; 501, the sealing rubber pad; 6, the rolling mechanism; 601, the retaining seat; 602, the connecting bolt; 603, the cover; 604, the steel ball. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 In the embodiments of the utility model, a communication engineering cable protection device comprises two clamping plates 1 distributed upwards and downwards, a lower fixing sleeve 2 is arranged between the two clamping plates 1, an inner cylinder 3 is placed in the inside of the lower fixing sleeve 2, and an upper fixing sleeve 201 is arranged on the upper surface of the lower fixing sleeve 2.

[0025] The inner cylinder 3 is clamped and connected to the upper surface of the lower fixing sleeve 2, a rolling mechanism 6 is arranged in the inside of the inner cylinder 3, the rolling mechanism 6 comprises a retaining seat 601, a cover 603 and a steel ball 604, the retaining seat 601 is fixedly connected to the inner wall of the inner cylinder 3, and the number of the retaining seats 601 is multiple and they are arranged in a circular array with the center point of the cross section of the inner cylinder 3 as the center, the cover 603 is detachably connected to the outer surface of the retaining seat 601, and the steel ball 604 is rollingly connected between the retaining seat 601 and the cover 603.

[0026] Specifically, in use, first, one of the clamping plates 1 is placed at the bottom of the cable trench, then the cable is passed through the inner cylinder 3, the position of the inner cylinder 3 is adjusted so that the cable joint position is located in the inside of the inner cylinder 3, then the lower fixing sleeve 2 and the protection half sleeve 4 are sequentially placed to clamp the inner cylinder 3 in the inside of the lower fixing sleeve 2, then the other protection half sleeve 4 is placed, and finally the upper fixing sleeve 201 is placed, and then the clamping plate 1 located above is installed. The device bears pressure through the two clamping plates 1, and is explosion-proof through the inner cylinder 3 cooperating with the protection half sleeve 4, the lower fixing sleeve 2 and the upper fixing sleeve 201, reduces the pressure borne by the joint position, and also performs double-layer explosion-proof operation, and the multiple clamping plates 1 can be assembled together, so that the laid cable is more neat and convenient for later soil excavation maintenance.

[0027] Embodiment one

[0028] AsFigures 1-5 As shown, the inner surface of the lower fixing sleeve 2 and the upper fixing sleeve 201 is provided with a second clamping groove 203, the outer surface of the inner cylinder 3 is fixedly connected with a limiting ring 301, the limiting ring 301 is clamped with the second clamping groove 203, and the outer surface of the limiting ring 301 is provided with a limiting groove 302.

[0029] In this embodiment, the limiting ring 301 is clamped into the second clamping groove 203, and the lower fixing sleeve 2 cooperates with the upper fixing sleeve 201 to limit the inner cylinder 3, so as to avoid axial movement of the inner cylinder 3.

[0030] As shown in the figure, Figures 1-5 The upper surface of the clamping plate 1 is threadedly connected with a fastening bolt 102, and the two clamping plates 1 are detachably connected through the fastening bolt 102. The clamping plate 1 limits the lower fixing sleeve 2 and the upper fixing sleeve 201, so that the lower fixing sleeve 2 and the upper fixing sleeve 201 can clamp the inner cylinder 3.

[0031] In this embodiment, under the connection of the fastening bolt 102, the two clamping plates 1 exert a clamping force on the lower fixing sleeve 2 and the upper fixing sleeve 201, and the clamping force makes the lower fixing sleeve 2 and the upper fixing sleeve 201 tightly connected together.

[0032] As shown in the figure, Figures 1-5 The adjacent surfaces of the lower fixing sleeve 2 and the upper fixing sleeve 201 are provided with a first clamping groove 202, and the first clamping groove 202 is inserted with a limiting strip 5. The outer surface of the limiting strip 5 is fixedly connected with a sealing rubber 501.

[0033] In this embodiment, the limiting strip 5 and the first clamping groove 202 are inserted, and the lower fixing sleeve 2 and the upper fixing sleeve 201 are limited, so as to avoid axial movement between the lower fixing sleeve 2 and the upper fixing sleeve 201. At the same time, the sealing rubber 501 is extruded by the clamping force, so as to improve the stability of the connection between the lower fixing sleeve 2 and the upper fixing sleeve 201.

[0034] Embodiment two

[0035] On the basis of embodiment one, in order to make up for the problem that it is not convenient to pull out the cable inside the inner cylinder 3 in embodiment one.

[0036] As shown in the figure, Figures 1-5 One side surface of the clamping plate 1 is fixedly connected with a connecting block 101, the other side surface of the clamping plate 1 is provided with a connecting groove 103, the outer surface of the inner cylinder 3 is nested with two protective half sleeves 4, and the outer surface of the protective half sleeve 4 is provided with a groove 401.

[0037] In the embodiment, the force acting on the protection half cover 4 is dispersed through the groove 401, the protection half cover 4 fills between the lower fixing cover 2 and the inner cylinder 3, the connecting block 101 and the connecting groove 103 are matched, the multiple clamping plates 1 are more neat during the insertion, the spacing between the adjacent cables is ensured, and the batch positioning is more convenient when the joint position is damaged and needs to be excavated.

[0038] As shown in Figures 1-4 The outer surface of the cover body 603 is threadedly connected with the connecting bolt 602, and the cover body 603 and the retaining seat 601 are detachably connected with the inner cylinder 3 through the connecting bolt 602.

[0039] In the embodiment, when the position of the inner cylinder 3 needs to be adjusted, the inner cylinder 3 is slid, the inner cylinder 3 is connected with the cable in a rolling manner through the steel ball 604, the frictional resistance during the sliding of the inner cylinder 3 is reduced, and the inner cylinder 3 is more smooth during the movement to the joint position.

[0040] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-restrictive in any respect, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0041] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A cable protection device for communication engineering, comprising two clamping plates (1) distributed vertically, a lower fixing sleeve (2) disposed between the two clamping plates (1), an inner cylinder (3) placed inside the lower fixing sleeve (2), and an upper fixing sleeve (201) disposed on the upper surface of the lower fixing sleeve (2); Its features are, The upper surface of the lower fixed sleeve (2) is engaged with an inner cylinder (3), and a rolling mechanism (6) is provided inside the inner cylinder (3). The rolling mechanism (6) includes: The retaining seat (601) is fixedly connected to the inner wall of the inner cylinder (3), and there are multiple retaining seats arranged in a ring array with the center point of the cross section of the inner cylinder (3) as the center. The cover (603) is detachably connected to the outer surface of the retainer (601); A steel ball (604) is rolled between a retainer (601) and a cover (603).

2. The cable protection device for communication engineering according to claim 1, characterized in that, The inner surfaces of the lower fixed sleeve (2) and the upper fixed sleeve (201) are provided with a second snap-fit ​​groove (203). The outer surface of the inner cylinder (3) is fixedly connected with a limiting ring (301). The limiting ring (301) and the second snap-fit ​​groove (203) are engaged and connected. The outer surface of the limiting ring (301) is provided with a limiting groove (302).

3. The cable protection device for communication engineering according to claim 1, characterized in that, The upper surface of the clamping plate (1) is threaded with a fastening bolt (102). The two clamping plates (1) are detachably connected by the fastening bolt (102). The clamping plate (1) limits the lower fixing sleeve (2) and the upper fixing sleeve (201) so that the lower fixing sleeve (2) and the upper fixing sleeve (201) can clamp the inner cylinder (3).

4. The communication engineering cable protection device according to any one of claims 1-3, characterized in that, A first snap-fit ​​groove (202) is formed on the adjacent surfaces of the lower fixing sleeve (2) and the upper fixing sleeve (201). A limit strip (5) is inserted into the inside of the first snap-fit ​​groove (202), and a sealing gasket (501) is fixedly connected to the outer surface of the limit strip (5).

5. The cable protection device for communication engineering according to claim 1, characterized in that, A connecting block (101) is fixedly connected to one side surface of the clamp (1), and a connecting groove (103) is provided on the other side surface of the clamp (1).

6. The cable protection device for communication engineering according to claim 1, characterized in that, The outer surface of the inner cylinder (3) is nested with two protective half-sleeves (4), and the outer surface of the protective half-sleeves (4) is provided with grooves (401).

7. The cable protection device for communication engineering according to claim 1, characterized in that, The outer surface of the cover (603) is threaded with a connecting bolt (602), and the cover (603), the retainer (601) and the inner cylinder (3) are detachably connected by the connecting bolt (602).

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