CN214069431U

CN214069431U - Flame-retardant MPP pipe with wear-resisting tensile structure

Info

Publication number: CN214069431U
Application number: CN202022990776.6U
Authority: CN
Inventors: 王维
Original assignee: Hebei Faliang Plastic Products Co ltd
Current assignee: Hebei Faliang Plastic Products Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-27
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a fire-retardant type MPP pipe with wear-resisting tensile structure, the left end processing of MMP pipe body has first fixed connection circle, and the right side surface machining of first fixed connection circle has second fixed connection circle, the right side surface machining of second fixed connection circle has bolt fastening hole A, and the jack is processed respectively at the upper and lower both ends of second fixed connection circle, the left end and the second fixed connection circle of head rod and second connecting rod link to each other, the right-hand member of head rod and second connecting rod is connected with the mounting panel, the surface machining of mounting panel has bolt fastening hole B, the outside of MMP pipe body is equipped with high temperature resistant layer and fire-retardant layer respectively, and the surface on fire-retardant layer is located, and the surface on fire-retardant layer is equipped with the heat insulating layer, and the outside surface machining on heat insulating layer has the fibrous layer, the outside of fibrous layer is equipped with the wearing rubber layer. The utility model discloses fire-retardant type MPP pipe with wear-resisting tensile structure can improve the life's of MMP pipe effect.

Description

Flame-retardant MPP pipe with wear-resisting tensile structure

Technical Field

The utility model relates to a MMP manages technical field, specifically is a fire-retardant type MPP pipe with wear-resisting tensile structure.

Background

The MPP pipe is also called MPP power cable protection pipe, and is divided into an excavation type and a non-excavation type, the MPP non-excavation pipe is called MPP pipe jacking or dragging pipe, the MPP pipe adopts modified polypropylene as main raw material, has the characteristics of high temperature resistance and external pressure resistance, is suitable for high-voltage transmission line cable calandria pipe above 10KV, the MPP adopts modified polypropylene as main raw material, does not need to dig a large amount of mud, dig earth and destroy the road surface, the pipe is laid in special sections such as roads, railways, buildings, riverbeds and the like, the construction projects such as cables and the like, compared with the traditional 'grooving pipe burying method', the non-excavation power pipe project is more suitable for the current environmental protection requirement, the civil disturbance factors such as dust flying, traffic jam and the like caused by the traditional construction are removed, the internal and external structures of the existing MPP pipe material are simple, the practical performance in the use process is obviously insufficient, and the wear resistance of the pipe is not comprehensive enough, meanwhile, the MPP pipe cannot bear higher pulling force, so that the service life of the MPP pipe is indirectly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant type MPP pipe with wear-resisting tensile structure has the advantage that improves life, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a first fixed connecting ring is processed at the left end of an MMP pipe body, a second fixed connecting ring is processed on the right side surface of the first fixed connecting ring, bolt fixing holes A are processed on the right side surface of the second fixed connecting ring, inserting holes are respectively processed at the upper end and the lower end of the second fixed connecting ring, the left ends of a first connecting rod and a second connecting rod are connected with the second fixed connecting ring through the inserting holes, the right ends of the first connecting rod and the second connecting rod are connected with a mounting plate, and bolt fixing holes B are processed on the surface of the mounting plate;

the outside of MMP pipe body is equipped with high temperature resistant layer and fire-retardant layer respectively, and the surface on high temperature resistant layer is located to fire-retardant layer to the surface on fire-retardant layer is equipped with the heat insulating layer, and the outside facing on heat insulating layer has the fibrous layer, and the outside of fibrous layer is equipped with wear-resisting rubber layer.

Preferably, the high temperature resistant layer internally comprises a ceramic layer and a heat insulation cotton layer.

Preferably, the flame retardant layer comprises a buffer layer and a composite flame retardant layer.

Preferably, bolt fixing holes a and bolt fixing holes B are respectively machined in the surfaces of the second fixed connecting ring and the mounting plate, and the number of the bolt fixing holes a is the same as that of the bolt fixing holes B.

Preferably, the thickness of the fiber layer is 2 times of that of the wear-resistant rubber layer, and the fiber layer is a net-shaped structure.

Preferably, a bolt is installed inside the bolt fixing hole B, and a nut is installed inside the bolt fixing hole a.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a fire-retardant type MPP pipe with wear-resisting tensile structure, MMP pipe body's left end processing has first fixed connection circle, and the right side surface processing of first fixed connection circle has second fixed connection circle, the right side surface processing of second fixed connection circle has bolt fastening hole A, and the jack has been processed respectively at the upper and lower both ends of second fixed connection circle, and the left end of first connecting rod and second connecting rod links to each other with second fixed connection circle through inserting the jack, and the right-hand member of first connecting rod and second connecting rod is connected with the mounting panel, the surface processing of mounting panel has bolt fastening hole B, can be used for the left end of fixed MMP pipe body through first fixed connection circle and second fixed connection circle, the jack can be used for connecting first connecting rod and second connecting rod, and the mounting panel can be fixed the MMP pipe body in the inboard of mounting panel, and the high temperature resistant layer that the MMP pipe body outside was established can bear inside and outside high temperature, the fire-retardant layer can prevent that inside high temperature from and spontaneous combustion, the heat transfer of tubular product when using can be reduced on the heat insulating layer, also can reduce outside high temperature to the inside influence of tubular product when reducing heat transfer, the fibrous layer can improve the tensile ability of dragging of whole pipeline, reduce the rupture condition of tubular product in the use, wear-resisting rubber layer can prolong the life of tubular product greatly, guarantee that tubular product can bear more wearing and tearing in the use, thereby reach the effect that improves the life of MMP pipe.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a schematic structural view of the flame retardant layer and the high temperature resistant layer of the present invention;

fig. 3 is a cross-sectional view of the MMP tube body of the present invention;

FIG. 4 is a schematic structural view of the MMP tube of the present invention;

fig. 5 is a plan view of a second fixing connection ring of the present invention.

In the figure: 1. an MMP tube body; 101. a high temperature resistant layer; 102. a flame retardant layer; 103. a thermal insulation layer; 104. a fibrous layer; 105. a wear-resistant rubber layer; 2. a first fixed connecting ring; 3. a second fixed connecting ring; 4. a bolt fixing hole A; 5. a jack; 6. a first connecting rod; 7. a second connecting rod; 8. mounting a plate; 9. and a bolt fixing hole B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in a flame retardant MPP tube having a wear-resistant tensile structure, a first fixed connection ring 2 is formed at a left end of an MMP tube body 1, a second fixed connection ring 3 is formed on a right side surface of the first fixed connection ring 2, the first fixed connection ring 2 and the second fixed connection ring 3 can be used to fix the left end of the MMP tube body 1, a bolt fastening hole a4 is formed on a right side surface of the second fixed connection ring 3, and insertion holes 5 are formed at upper and lower ends of the second fixed connection ring 3, respectively, the insertion holes 5 can be used to connect a first connection rod 6 and a second connection rod 7, left ends of the first connection rod 6 and the second connection rod 7 are connected to the second fixed connection ring 3 through the insertion holes 5, and right ends of the first connection rod 6 and the second connection rod 7 are connected to a mounting plate 8, the mounting plate 8 can fix the MMP tube body 1 to an inner side of the mounting plate 8, the surface of the mounting plate 8 is processed with a bolt fixing hole B9, the outer side of the MMP pipe body 1 is respectively provided with a high temperature resistant layer 101 and a flame retardant layer 102, the high temperature resistant layer 101 and the flame retardant layer 102 are respectively used for bearing internal and external high temperatures, the flame retardant layer 102 can prevent the internal temperature from being overhigh and spontaneous combustion, the flame retardant layer 102 is arranged on the outer surface of the high temperature resistant layer 101, the outer surface of the flame retardant layer 102 is provided with a heat insulation layer 103, the heat insulation layer 103 can reduce the heat transfer of the pipe in use, the influence of the external high temperature on the inside of the pipe can be reduced while reducing the heat transfer, the outer side surface of the heat insulation layer 103 is processed with a fiber layer 104, the fiber layer 104 can improve the anti-pulling capability of the whole pipe, the breakage of the pipe in the use process is reduced, the outer side of the fiber layer 104 is provided with a wear-resistant rubber layer 105, the wear-resistant rubber layer 105 can greatly prolong the service life of the pipe, and ensure that the pipe can bear more wear in the use process, the inside on high temperature resistant layer 101 is including ceramic layer and heat preservation cotton layer, the inside on fire-retardant layer 102 is including buffer layer and compound fire-retardant layer, bolt fastening hole A4 and bolt fastening hole B9 have been processed respectively on the surface of second fixed connection circle 3 and mounting panel 8, and bolt fastening hole A4 is the same with bolt fastening hole B9's quantity, the thickness of fibrous layer 104 is 2 times of wearing rubber layer 105, and fibrous layer 104 is the network structure body, the internally mounted of bolt fastening hole B9 has the bolt, and the internally mounted of bolt fastening hole A4 has the nut.

In summary, the following steps: the utility model discloses a fire-retardant type MPP pipe with wear-resisting tensile structure, MMP pipe body 1's left end processing has first fixed connection circle 2, and the right side surface processing of first fixed connection circle 2 has second fixed connection circle 3, the right side surface processing of second fixed connection circle 3 has bolt fastening hole A4, and processing has jack 5 respectively at the upper and lower both ends of second fixed connection circle 3, and the left end of first connecting rod 6 and second connecting rod 7 links to each other with second fixed connection circle 3 through inserting jack 5, and the right-hand member of first connecting rod 6 and second connecting rod 7 is connected with mounting panel 8, the surface processing of mounting panel 8 has bolt fastening hole B9, can be used for fixing the left end of MMP pipe body 1 through first fixed connection circle 2 and second fixed connection circle 3, jack 5 can be used for connecting first connecting rod 6 and second connecting rod 7, and mounting panel 8 can be fixed in the inboard of mounting panel 8 with MMP pipe body 1, and the high temperature resistant layer 101 that MMP pipe body 1 outside was established can bear inside and outside high temperature, fire-retardant layer 102 can prevent that inside high temperature from high and spontaneous combustion, heat-insulating layer 103 can reduce the heat transfer of tubular product when using, also can reduce outside high temperature to the inside influence of tubular product when reducing heat transfer, fibrous layer 104 can improve the anti ability of dragging of whole pipeline, reduce the rupture condition of tubular product appearance in the use, wear-resisting rubber layer 105 can prolong the life of tubular product greatly, guarantee that tubular product can bear more wearing and tearing in the use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-retardant type MPP pipe with wear-resisting tensile structure, includes MMP pipe body (1), its characterized in that: the MMP pipe is characterized in that a first fixed connecting ring (2) is processed at the left end of the MMP pipe body (1), a second fixed connecting ring (3) is processed on the right side surface of the first fixed connecting ring (2), bolt fixing holes A (4) are processed on the right side surface of the second fixed connecting ring (3), jacks (5) are respectively processed at the upper end and the lower end of the second fixed connecting ring (3), the left ends of a first connecting rod (6) and a second connecting rod (7) are connected with the second fixed connecting ring (3) through inserting the jacks (5), the right ends of the first connecting rod (6) and the second connecting rod (7) are connected with a mounting plate (8), and bolt fixing holes B (9) are processed on the surface of the mounting plate (8);

the outside of MMP pipe body (1) is equipped with high temperature resistant layer (101) and fire-retardant layer (102) respectively, and the surface on high temperature resistant layer (101) is located in fire-retardant layer (102), and the surface on fire-retardant layer (102) is equipped with heat insulating layer (103), and the outside surface processing on heat insulating layer (103) has fibrous layer (104), and the outside of fibrous layer (104) is equipped with wear-resistant rubber layer (105).

2. The flame retardant MPP pipe with the wear-resistant tensile structure according to claim 1, wherein the high temperature resistant layer (101) comprises a ceramic layer and a heat insulation cotton layer.

3. The flame retardant MPP tube with abrasion resistant and tensile structure as set forth in claim 1, wherein the flame retardant layer (102) comprises a buffer layer and a composite flame retardant layer inside.

4. The flame retardant MPP pipe with the wear-resistant tensile structure according to claim 1, wherein bolt fixing holes A (4) and bolt fixing holes B (9) are respectively formed in the surfaces of the second fixed connecting ring (3) and the mounting plate (8), and the number of the bolt fixing holes A (4) and the number of the bolt fixing holes B (9) are the same.

5. The flame retardant MPP pipe with abrasion resistant and tensile structure according to claim 1, wherein the thickness of the fiber layer (104) is 2 times of that of the abrasion resistant rubber layer (105), and the fiber layer (104) is a net structure.

6. The flame retardant MPP pipe with the wear-resistant and tensile structure as claimed in claim 1, wherein bolts are installed inside the bolt fixing holes B (9), and nuts are installed inside the bolt fixing holes A (4).