Composite sleeve with protection function

Abstract

The utility model provides a composite sleeve with a protection function. The composite sleeve comprises an inner layer, the outer side wall of the inner layer is sleeved with a middle layer used for strengthening protection, the outer side wall of the middle layer is detachably connected with N outer layers convenient to maintain, N is larger than or equal to 2, and all the outer layers are connected through mortise and tenon joint structures. According to the utility model, the flexible inner layer is fused to absorb vibration, the metal net middle layer is used for dispersing stress, and the nano coating outer layer is used for isolating a corrosive medium, so that the synergistic enhancement of mechanical and chemical protection is realized; and the outer layer is decomposed into standard protection sections which can be replaced independently, so that the replacement cost is saved, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective pipe sleeve, especially to a composite sleeve pipe with protection function. BACKGROUND

[0002] As a key protective component in the field of power, communication and oil and gas transmission, the performance of the composite sleeve pipe is directly related to the safety and service life of the pipeline system.

[0003] Through the search, the utility model of patent announcement number CN210039799U puts forward a protective pipe sleeve structure of rubber heat shrink sleeve, relates to the technical field of protective pipe sleeve, in order to solve the poor protection of the existing protective sleeve pipe. The center of the inner cavity of the protective pipe sleeve is provided with a rubber heat shrink sleeve, the surface of the rubber heat shrink sleeve is provided with a mounting device, the surface of the mounting device is fixedly connected with a reset device, one side of the reset device is fixedly connected with a baffle, the other side of the reset device is fixedly connected with a top plate, the top plate is fixedly connected on the surface of the inner cavity of the protective pipe sleeve, the surface of the protective pipe sleeve is provided with a protective layer, the surface of the protective layer is provided with concave-convex lines, the mounting device includes a mounting cylinder, a through slot and a mounting hole, the inner cavity of the mounting cylinder is provided with a through slot, the center of the through slot is provided with a mounting hole;

[0004] For the above-mentioned prior art, although it meets the basic protection requirements to a certain extent, there are still defects under complex working conditions. The mechanical strength and corrosion resistance depend on independent components, lack of synergistic enhancement mechanism. The maintenance cost is high, and the overall structure or non-standardized module leads to large-scale replacement of local damage. UTILITY MODEL CONTENTS

[0005] In order to solve the problem of mechanical strength, corrosion resistance depending on independent components, lack of synergistic enhancement mechanism, high maintenance cost, overall structure or non-standardized module leading to large-scale replacement of local damage in the prior art, the utility model provides a composite sleeve pipe with protection function;

[0006] The utility model provides a composite sleeve pipe with protection function adopts the following technical scheme:

[0007] A composite sleeve pipe with protection function, comprising an inner layer, the outer side wall of the inner layer is sleeved with an intermediate layer for strengthening protection, the outer side wall of the intermediate layer is detachably connected with an outer layer for convenient maintenance, the number of the outer layer is N, N is greater than or equal to 2, and each outer layer is connected through a mortise and tenon structure;

[0008] Further, the intermediate layer is a net structure woven from aluminum alloy, the intermediate layer is connected with a sacrificial anode block through a wire, the sacrificial anode block is fixed on the outer side wall of the intermediate layer in an axial distribution through a stainless steel clamp, and the sacrificial anode block is made of zinc alloy material;

[0009] Further, the inner part of the outer layer is provided with a rotating shaft for unfolding the outer layer, the outer sidewall of the outer layer is welded with a fixing disc, the outer sidewall of the fixing disc is provided with bolt holes, and one end of the outer layer is welded with a metal ring for increasing the strength of the sleeve;

[0010] Further, the mortise and tenon structure comprises grooves and fixing blocks, one end of the outer layer is welded with fixing blocks, the number of the fixing blocks is M, M is greater than or equal to 2, the other end of the outer layer is provided with grooves, and the fixing blocks and the grooves are in one-to-one correspondence;

[0011] To sum up, the beneficial effects of the utility model are as follows:

[0012] In the prior art, the mechanical strength and corrosion resistance depend on independent components, and there is a lack of synergistic enhancement mechanism; the maintenance cost is high, and the overall structure or non-standardized module leads to the problem that local damage needs to be replaced on a large scale; the utility model realizes the synergistic enhancement of mechanical and chemical protection by fusing the flexible inner layer to absorb vibration, the metal mesh middle layer to disperse stress and the nano coating outer layer to isolate corrosive medium; the outer layer is divided into standardized protection sections which can be independently replaced, and the distributed sacrificial anode is integrated to realize "replace and use". BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a whole plane structure schematic view of the utility model;

[0015] Figure 3 It is a whole structure schematic view of the utility model;

[0016] Figure 4 It is a whole structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of part A in the utility model;

[0017] Figure 5 It is a hierarchical part structure schematic view of the utility model.

[0018] As shown in the figure: 1-inner layer, 2-middle layer, 21-sacrificial anode block, 22-stainless steel clamp, 3-outer layer, 31-rotating shaft, 32-fixing disc, 33-metal ring, 331-groove, 332-fixing block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings Figures 1-5 The utility model will be further described in detail:

[0020] The utility model embodiment discloses a composite sleeve with a protection function, like Figure 1 、 Figure 2 、 Figure 3 ,Figure 4 As shown in the figure, a composite sleeve with protection function includes an inner layer 1; the outer side wall of the inner layer 1 is sleeved with an intermediate layer 2 for strengthening protection, the outer side wall of the intermediate layer 2 is detachably connected with an outer layer 3 for facilitating maintenance, the number of the outer layer 3 is N, N≥2, and each outer layer 3 is connected through a mortise and tenon structure; in this embodiment, through the fusion of the flexible inner layer 1 to absorb vibration, the metal mesh intermediate layer 2 to disperse stress, and the nano coating outer layer 3 to isolate corrosive medium, the synergistic enhancement of mechanical and chemical protection is realized; the outer layer 3 is decomposed into a standardized protection section which can be independently replaced, thereby saving the replacement cost and improving the maintenance efficiency.

[0021] As shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown in the figure, the intermediate layer 2 has a mesh structure woven by aluminum alloy, the intermediate layer 2 is connected with a sacrificial anode block 21 through a wire, the sacrificial anode block 21 is fixed on the outer side wall of the intermediate layer 2 in an axial distribution through a stainless steel clamp 22, and the sacrificial anode block 21 is made of zinc alloy material; in this embodiment, the intermediate layer 2 having a mesh structure woven by aluminum alloy is used to disperse stress; by adding the sacrificial anode block 21, the cathode is protected, and the overall corrosion resistance is improved.

[0022] As shown in the figure, Figure 1 , Figure 2 , Figure 3 As shown in the figure, the inner part of the outer layer 3 is provided with a rotating shaft 31 for unfolding the outer layer 3, the outer side wall of the outer layer 3 is welded with a fixing disc 32, the outer side wall of the fixing disc 32 is provided with a bolt hole, and one end of the outer layer 3 is welded with a metal ring 33 for increasing the strength of the sleeve; in this embodiment, by adding the fixing disc 32, the outer layer 3 is fixed by using a bolt to pass through the bolt hole of the fixing disc 32, and by adding the metal ring 33, the strength of the sleeve is improved.

[0023] As shown in the figure, Figure 4 As shown in the figure, the mortise and tenon structure includes a groove 331 and a fixing block 332, one end of the outer layer 3 is welded with the fixing block 332, the number of the fixing block 332 is M, M≥2, the other end of the outer layer 3 is provided with the groove 331, and the fixing block 332 and the groove 331 correspond one by one; in this embodiment, by adding the mortise and tenon structure, each outer layer 3 is connected with each other.

[0024] The implementation principle of the embodiment of the utility model is as follows:

[0025] The flexible inner layer 1 absorbs vibration and adapts deformation, the metal net of the middle layer 2 uniformly disperses external load into multi-directional stress through the net structure, the metal net middle layer 2 is bonded with the inner layer 1 through a co-extrusion process, the outer layer 3 is unfolded through a rotating shaft 31, is sleeved on the middle layer 2, and is connected between each section of the outer layer 3 through a mortise and tenon structure and is fixed through bolts penetrating through a fixing disc 32.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The various components mentioned in the utility model are common technology in the prior art, which should be understood by the skilled person in the art, and the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A composite sleeve with a protective function, comprising an inner layer (1), characterized in that, The outer side wall of the inner layer (1) is sleeved with an intermediate layer (2) for reinforcing protection, the outer side wall of the intermediate layer (2) is detachably connected with an outer layer (3) for facilitating maintenance, the number of the outer layer (3) is N, N is greater than or equal to 2, and each outer layer (3) is connected through a mortise and tenon structure.

2. The composite sleeve with a protection function according to claim 1, characterized in that: The intermediate layer (2) is a mesh structure woven by aluminum alloy, the intermediate layer (2) is connected with a sacrificial anode block (21) through a wire, the sacrificial anode block (21) is fixed on the outer side wall of the intermediate layer (2) through a stainless steel clamp (22) and is distributed in an axial direction, and the sacrificial anode block (21) is made of zinc alloy.

3. The composite sleeve with a protective function according to claim 1, characterized in that: The outer layer (3) is internally provided with a rotating shaft (31) for unfolding the outer layer (3), the outer side wall of the outer layer (3) is welded with a fixing disc (32), the outer side wall of the fixing disc (32) is provided with a bolt hole, and one end of the outer layer (3) is welded with a metal ring (33) for increasing the strength of the sleeve.

4. The composite sleeve with a protective function according to claim 1, characterized in that: The mortise and tenon structure comprises a groove (331) and a fixing block (332), one end of the outer layer (3) is welded with the fixing block (332), the number of the fixing block (332) is M, M is greater than or equal to 2, the other end of the outer layer (3) is provided with the groove (331), and the fixing block (332) and the groove (331) are one-to-one corresponding.

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