Tensile high-strength cable protection tube

Abstract

The utility model discloses a tensile high-strength cable protection tube, which comprises an outer protection tube, an inner protection tube and a filling layer filled between the outer protection tube and the inner protection tube, the outer protection tube and the inner protection tube are connected through a connecting assembly; the connecting assembly comprises a connecting piece, and a plurality of first connecting protrusions are formed on the end portion of the inner wall of the outer protection pipe and inwards formed on the end portion of the inner protection pipe. The first connecting protrusions are fixedly connected with one end of a connecting piece, and the other end of the connecting piece is fixedly installed on a second connecting protrusion formed at the end of the outer wall of the inner protection pipe. According to the cable protection tube, the end parts of the outer protection tube and the inner protection tube are connected by arranging the connecting sheets, and the filling layer is filled between the outer protection tube and the inner protection tube, so that the strength of the protection tube is greatly enhanced, the cable can be sufficiently protected, and the cable protection tube has very long service life; a stretching groove is further formed in the outer protection pipe. And the tensile strength of the outer protection tube is improved through deformation of the stretching groove and matching of the protection blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection pipe technical field, in particular to a kind of cable protection pipe of tensile high strength. BACKGROUND

[0002] Cable protection pipe is also called cable pipe, power cable pipe, cement cable pipe, power pipe, power cable protection pipe, etc., cable protection pipe is mainly installed underground or ground, for protecting cable from corrosion and damage, prevent power line from breaking and causing short circuit accident.

[0003] Existing cable protection pipe has single layer and double layer, double layer cable protection pipe has high protection strength, but the tensile strength of double layer cable protection pipe outside is weak and easy to age, outer protection pipe is prone to fracture after long time use.

[0004] Therefore, it is urgent to design a kind of cable protection pipe of tensile high strength. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of cable protection pipe of tensile high strength to solve the problems existing in the prior art, can realize the tensile strength of cable protection pipe is improved, and its service life is improved.

[0006] To achieve the above object, the utility model provides the following scheme: the utility model provides a kind of cable protection pipe of tensile high strength, comprising:

[0007] Outer protection pipe, inner protection pipe and filling layer filled between the outer protection pipe and inner protection pipe;

[0008] The outer protection pipe and inner protection pipe are connected by connecting assembly;The connecting assembly includes connecting sheet, and the inner wall end portion of the outer protection pipe is formed with a plurality of first connecting protrusions formed inward with the end portion of the inner protection pipe;One end of the connecting sheet is fixedly connected with one first connecting protrusion, and the other end of the connecting sheet is fixedly installed on the second connecting protrusion formed on the outer wall end portion of the inner protection pipe;The first connecting protrusion and the second connecting protrusion are position corresponding;

[0009] The surface of the outer protection pipe is further provided with protection block, and the protection block is strip structure.

[0010] Preferably, the protection block is provided with a plurality of protection strips at equal intervals on the surface of the outer protection pipe, and the protection block includes a plurality of intermittently arranged protection strips;The outer surface of the protection strip is curved surface, and the cross section of the protection block is attached to the outer wall of the outer protection pipe;The protection strip is installed on the surface of the outer protection pipe by buffer assembly.

[0011] Preferably, the outer protection pipe surface starts to have a containing groove for installing the buffer assembly, the buffer assembly comprises a support seat, the support seat is fixedly installed on the end surface of the protection strip, and the support seat is arranged at the containing groove opening; the support seat is connected with a buffer ball through a connecting rod, and the connecting rod is further sleeved with a buffer spring.

[0012] Preferably, the first connecting protrusion and the second connecting protrusion are of the same structure, and are both of a tapered sheet structure.

[0013] Preferably, a plurality of stretching grooves are equidistantly arranged in the outer protection pipe in the circumferential direction; and the stretching grooves are staggered with the connecting assembly.

[0014] Preferably, the filling layer is a rubber layer.

[0015] The cable protection pipe has the following technical effects: the outer protection pipe and the inner protection pipe are connected at the end portion through the connecting piece, the filling layer is filled between the outer protection pipe and the inner protection pipe, the strength of the protection pipe is greatly improved, the cable can be sufficiently protected, and the cable protection pipe has a long service life; the stretching grooves are arranged in the outer protection pipe; and the tensile strength of the outer protection pipe is improved through the deformation of the stretching grooves and the cooperation of the protection blocks. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is an end structure schematic view of the cable protection pipe with high tensile strength in the present application.

[0018] Figure 2 It is an internal cross-sectional structure schematic view of the cable protection pipe with high tensile strength in the present application.

[0019] Figure 3 It is an end structure schematic view of the cable protection pipe with high tensile strength in the present application. Figure 2 An enlarged view of structure A in the middle.

[0020] 1, outer protection pipe; 2, inner protection pipe; 3, filling layer; 4, protection block; 5, connecting piece; 11, stretching groove; 12, first connecting protrusion; 13, connecting piece; 14, second connecting protrusion; 41, support seat; 42, connecting rod; 43, buffer ball; 44, buffer spring. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, clear and understandable, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0023] The present application provides a kind of cable protection pipe of tensile high strength, comprising:

[0024] Outer protection pipe 1, inner protection pipe 2 and filling layer 3 filled between outer protection pipe 1 and inner protection pipe;

[0025] Outer protection pipe 1 and inner protection pipe 2 are connected by connecting assembly;Connecting assembly includes connecting sheet 13, and the end of the inner wall of outer protection pipe 1 is formed with a plurality of first connecting protrusions 12 formed with the end of inner protection pipe 2 inward;One end of each connecting sheet 13 is fixedly connected with a first connecting protrusion 12, and the other end of connecting sheet 13 is fixedly installed on the second connecting protrusion 14 formed on the end of the outer wall of inner protection pipe 2;First connecting protrusion 12 and second connecting protrusion 14 are in position correspondence.

[0026] Outer protection pipe 1 surface is also provided with protection block 4, and protection block 4 is strip structure.

[0027] Protection block 4 is provided with a plurality of protection strips arranged intermittently on the surface of outer protection pipe 1 at equal intervals, and the outer surface of the protection strip is curved surface, and the cross section of protection block 4 is attached to the outer wall of outer protection pipe 1;Protection strip is installed on the surface of outer protection pipe 1 by buffer assembly.

[0028] Outer protection pipe 1 surface starts to have containing groove for installing buffer assembly, and buffer assembly includes support seat 41, and support seat 41 is fixedly installed on the end surface of protection strip;And support seat 41 is placed at the slot opening of containing groove;Support seat 41 is connected with buffer ball 43 through connecting rod 42;Connecting rod 42 is further sleeved with buffer spring 44.

[0029] First connecting protrusion 12 and second connecting protrusion 14 are the same structure, and are both conical sheet structure.

[0030] In one embodiment of the utility model, first connecting protrusion 12 and second connecting protrusion 14 connect outer protective pipe 1 and inner protective pipe 2 to form a structural whole at the end, if outer protective pipe 1 is damaged seriously and inner protective pipe 2 is intact after long-term use, outer protective pipe 1 can be disassembled and replaced with new outer protective pipe 1, so that inner protective pipe 2 achieves the purpose of secondary use.

[0031] A plurality of stretching grooves 11 are equidistantly formed in the outer protective pipe 1 in the circumferential direction.

[0032] The filling layer 3 is a rubber layer.

[0033] In one embodiment of the utility model, as shown in the figure, Figure 2 The stretching grooves 11 are strip-shaped spaces in the normal state, and when the outer protective pipe 1 is stretched, the external pressure on the outer protective pipe 1 can be reduced by the deformation of the stretching grooves 11.

[0034] Further, the stretching grooves 11 and the protective strips are staggered to effectively divide the stretching pressure.

[0035] In one embodiment of the utility model, the protective strips connected to the buffer assembly are stretched by the buffer balls 43 and the buffer springs 44 arranged in the accommodating grooves to weaken or offset the stretching pressure, thereby improving the tensile strength of the outer protective pipe 1 and the wear resistance of the outer protective pipe 1.

[0036] In the description of the utility model, it should be understood that the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claims.

Claims

1. A high strength, pull resistant cable protection pipe characterized in that, Include: The outer protective tube (1), the inner protective tube (2) and the filling layer (3) filled between the outer protective tube (1) and the inner protective tube; The outer protective tube (1) and the inner protective tube (2) are connected by a connecting assembly; The connecting assembly includes a connecting sheet (13), the inner wall end of the outer protective tube (1) is formed with a plurality of first connecting protrusions (12) formed inwardly at the end of the inner protective tube (2); Each of the first connecting protrusions (12) is fixedly connected with one end of the connecting sheet (13), and the other end of the connecting sheet (13) is fixedly installed on the second connecting protrusion (14) formed on the end of the outer wall of the inner protective tube (2); The first connecting protrusion (12) and the second connecting protrusion (14) are in position correspondence; The outer protective tube (1) is further provided with a protection block (4), and the protection block (4) is a strip structure. The protection block (4) is provided with a plurality of protection strips arranged intermittently on the surface of the outer protective tube (1), the outer surface of the protection strip is a curved surface, the cross section of the protection block (4) is attached to the outer wall of the outer protective tube (1), and the protection strip is installed on the surface of the outer protective tube (1) through a buffer assembly.

2. A pull-resistant, high-strength cable protection tube according to claim 1, characterized in that: The outer protective tube (1) is provided with a containing groove for installing the buffer assembly, the buffer assembly includes a support seat (41), the support seat (41) is fixedly installed on the end face of the protection strip; And the support seat (41) is placed at the slot opening of the containing groove; The support seat (41) is connected with a buffer ball (43) through a connecting rod (42); The connecting rod (42) is further provided with a buffer spring (44).

3. A pull-resistant, high-strength cable protection tube according to claim 2, characterized in that: The first connecting protrusion (12) and the second connecting protrusion (14) are the same structure, which are both conical sheet structures.

4. A pull-resistant, high-strength cable protection tube according to claim 1, characterized in that: The outer protective tube (1) is provided with a plurality of stretching grooves (11) along the circumference at equal intervals; The stretching grooves (11) and the connecting assembly are distributed alternately.

5. A pull-resistant, high-strength cable protection tube according to claim 1, wherein: The filling layer (3) is a rubber layer.

6. A pull resistant, high strength cable protection pipe according to claim 1, characterized in that: ​

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