CN210806651U

CN210806651U - MPP pipe with weaken outside high temperature structure

Info

Publication number: CN210806651U
Application number: CN201922285984.3U
Authority: CN
Inventors: 贾丰; 陈吉林; 陈志松
Original assignee: Zhejiang Wanji Communication Equipment Co ltd
Current assignee: Zhejiang Wanji Communication Equipment Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-06-19
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a MPP pipe with weaken outside high temperature structure, including body and heat preservation, the outer wall both sides of body are provided with the pressure head, and the laminating of body outer wall has the adhesion layer, the heat preservation laminating is in the outer wall of adhesion layer, and the outer wall laminating of heat preservation has the outer jacket, the one end laminating of body has the connector, and the other end of connector is provided with the ring flange, the platform of tightening has been seted up to the outer wall of connector, and the inner wall laminating of connector has the sleeve pipe, sheathed tube outer wall is fixed with the outer beam circle, the outer wall laminating of connector has the clamping structure. This MPP pipe with weaken outside high temperature structure is provided with the pressure head, and the pressure head is along the axis department symmetric distribution of body, and the pressure head plays good clamping effect, can carry out the fixed clamp to protective structure and press from both sides tightly, and pressure head evenly distributed can improve the external strength of body simultaneously, and the difficult emergence fracture of in use.

Description

MPP pipe with weaken outside high temperature structure

Technical Field

The utility model relates to a MPP manages technical field, specifically is a MPP pipe with weaken outside high temperature 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 jacking pipe or a dragging pipe, the MPP pipe adopts modified polypropylene as main raw materials, has the characteristics of high temperature resistance and external pressure resistance, is suitable for high-voltage transmission line cable calandria pipe materials above 10KV, the MPP adopts modified polypropylene as main raw materials, does not need to dig a large amount of mud, dig soil and destroy the road surface, and lays pipelines, cables and other construction projects in special sections such as roads, railways, buildings, riverbeds and the like.

When the outer wall of the MPP pipe in the market is sleeved with the protective layer in use, the connection strength of the MPP pipe is low, the protective layer is easy to separate, and the connection strength of the connector is low, so that the MPP pipe can be easily separated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a MPP pipe with weaken outside high temperature structure to when the MPP pipe in use outer wall cup joints the protective layer on the market that proposes in solving above-mentioned background art, its joint strength is low, easily takes place the protective layer and breaks away from, and connector joint strength is low, the problem that can break away from easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a MPP pipe with weaken outside high temperature structure, includes body and heat preservation, the outer wall both sides of body are provided with the pressure head, and the laminating of body outer wall has the adhesion layer, the heat preservation laminating in the outer wall of adhesion layer, and the outer wall laminating of heat preservation has the outer jacket, the one end laminating of body has the connector, and the other end of connector is provided with the ring flange, the platform of tightening has been seted up to the outer wall of connector, and the inner wall laminating of connector has the sleeve pipe, sheathed tube outer wall is fixed with outer beam circle, the outer wall laminating of connector has the tight structure of clamp.

Preferably, the pressure heads are uniformly distributed on the outer wall of the pipe body at equal intervals, and the pressure heads are symmetrically distributed along the central axis of the pipe body.

Preferably, the body passes through the adhesion layer and laminates each other with the heat preservation, and adhesion layer, heat preservation and outer jacket distribute each other in proper order.

Preferably, the sleeve is mutually attached to the inner wall of the pipe body through an outer binding ring, and the outer binding ring is provided with a pair.

Preferably, the clamping structure comprises a clamping hoop, a fixing head and a fixing bolt, the fixing head is welded at two ends of the clamping hoop, and the fixing bolt is arranged in the middle of the inner side of the fixing head.

Preferably, an embedded structure is arranged between the clamping hoop and the tightening platform, and the clamping hoop and the heat-insulating layer are mutually attached.

Compared with the prior art, the beneficial effects of the utility model are that: the MPP pipe with the weakened external high-temperature structure is provided with the pressure heads, the pressure heads are symmetrically distributed along the central axis of the pipe body, the pressure heads play a good clamping role, the protection structure can be fixedly clamped, meanwhile, the pressure heads are uniformly distributed, the external strength of the pipe body can be improved, and the MPP pipe is not easy to break in use;

the adhesion layer, the heat insulation layer and the outer protection layer are mutually distributed in sequence, the heat insulation layer adopts polyethylene foam or cotton velvet as a heat insulation material, the high temperature of the outer wall can be effectively isolated, the outer protection layer is made of glass fiber materials, the ignition point is high, the heat insulation performance is strong, the heat insulation layer can be used for a long time, the requirement of protecting the outside of the heat insulation layer is met, and the safety level of a pipeline is improved;

laminate each other between binding clasp and the heat preservation, cup joint when the inner wall of body when the sleeve pipe, the fixed head is fixed the sleeve pipe, heat preservation one end remains partly and the fixed head laminates each other simultaneously, bind the platform inside through embedding binding clasp to one side simultaneously, it extrudees spacingly to binding clasp, simultaneously through screwing up fixing bolt, fixing bolt drives the inside removal of fixed head, reach the effect that reduces binding clasp diameter, thereby fix the heat preservation, it is tight to heat preservation end fixing through pressing from both sides tight structure, guarantee the difficult possibility that takes place to break away from of heat preservation.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a pipe body; 2. a pressure head; 3. an adhesion layer; 4. a heat-insulating layer; 5. an outer jacket; 6. a connector; 7. a flange plate; 8. a tightening station; 9. a sleeve; 10. an outer collar; 11. a clamping structure; 1101. a clampband; 1102. a fixed head; 1103. and (5) fixing the bolt.

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. 1-3, the present invention provides a technical solution: an MPP pipe with a weakened external high-temperature structure comprises a pipe body 1, pressure heads 2, an adhesion layer 3, a heat preservation layer 4, an outer protection layer 5, a connector 6, a flange plate 7, a tightening platform 8, a sleeve 9, an outer tightening ring 10, a clamping structure 11, a clamping hoop 1101, a fixing head 1102 and fixing bolts 1103, wherein the pressure heads 2 are arranged on two sides of the outer wall of the pipe body 1, the adhesion layer 3 is attached to the outer wall of the pipe body 1, the pressure heads 2 are uniformly distributed on the outer wall of the pipe body 1 at equal intervals, the pressure heads 2 are symmetrically distributed along the central axis of the pipe body 1, the pressure heads 2 play a good clamping role, the protection structure can be fixedly clamped, meanwhile, the pressure heads 2 are uniformly distributed, the external strength of the pipe body 1 can be improved;

the heat preservation layer 4 is attached to the outer wall of the adhesion layer 3, the outer wall of the heat preservation layer 4 is attached with the outer protection layer 5, the pipe body 1 is attached to the heat preservation layer 4 through the adhesion layer 3, the heat preservation layer 4 and the outer protection layer 5 are sequentially distributed mutually, the heat preservation layer 4 is made of polyethylene foam or cotton wool as a heat preservation material, the high temperature of the outer wall can be effectively isolated, the outer protection layer 5 is made of glass fiber materials, the burning point is high, the heat insulation performance is high, the pipe can be used for a long time, the requirement of external protection of the heat preservation layer 4 is met;

one end of the pipe body 1 is attached with a connector 6, the other end of the connector 6 is provided with a flange 7, the outer wall of the connector 6 is provided with a tightening platform 8, the inner wall of the connector 6 is attached with a sleeve 9, the outer wall of the sleeve 9 is fixed with an outer tightening ring 10, the sleeve 9 is attached to the inner wall of the pipe body 1 through the outer tightening ring 10, the outer tightening rings 10 are provided in a pair, the outer tightening rings 10 have good extrusion fixing effects, separation is not prone to occurring when the sleeve 9 is sleeved on the inner wall of the pipe body 1, and meanwhile, the pair of outer tightening rings 10 are arranged to further improve the anti-falling effect;

the outer wall of the connector 6 is attached with a clamping structure 11, the clamping structure 11 comprises a clamping hoop 1101, a fixing head 1102 and a fixing bolt 1103, the fixing head 1102 is welded at two ends of the clamping hoop 1101, the fixing bolt 1103 is arranged in the middle of the inner side of the fixing head 1102, an embedded structure is arranged between the clamping hoop 1101 and the tightening platform 8, the clamping hoop 1101 and the heat-insulating layer 4 are attached to each other, when the sleeve 9 is sleeved on the inner wall of the pipe body 1, the connector 6 fixes the sleeve 9, meanwhile, one end of the heat-insulating layer 4 is partially attached to the connector 6, the clamping hoop 1101 is obliquely embedded into the tightening platform 8, the tightening platform 8 extrudes and limits the clamping hoop 1101, meanwhile, the fixing bolt 1103 drives the fixing head 1102 to move inwards by screwing the fixing bolt 1103, the effect of reducing the diameter of the clamping hoop 1101 is achieved, the heat-insulating layer 4 is fixed, the end of the heat-insulating layer 4 is fixedly clamped through the clamping, the possibility that the heat-insulating layer 4 is not easy to separate is ensured.

The working principle is as follows: for such MPP pipes with a structure weakening external high temperature, firstly, a sleeve 9 is sleeved on the inner wall of a pipe body 1, a connector 6 is used for fixing the sleeve 9, one end of a heat preservation layer 4 is partially adhered to the connector 6, at the moment, a clamping hoop 1101 is obliquely embedded into a tightening platform 8, the tightening platform 8 is used for extruding and limiting the clamping hoop 1101, meanwhile, a fixing bolt 1103 is screwed, the fixing bolt 1103 drives the fixing head 1102 to move inwards, the effect of reducing the diameter of the clamping hoop 1101 is achieved, so that the heat preservation layer 4 is fixed, meanwhile, the heat preservation layer 4 adopts polyethylene foam or cotton wool as a heat preservation material, the high temperature of the outer wall can be effectively isolated, the outer protection layer 5 is made of glass fiber materials, the fire point is high, the heat insulation performance is strong, the MPP pipe can be used for a long time, the requirement of external protection of the heat preservation layer 4 is met, the safety level of the pipeline is improved, and, when guaranteeing that sleeve pipe 9 embolias body 1 inner wall, difficult emergence is separated from, sets up a pair of external binding ring 10 simultaneously, further improves the anticreep effect.

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 MPP pipe with weaken outside high temperature structure, includes body (1) and heat preservation (4), its characterized in that: the outer wall both sides of body (1) are provided with pressure head (2), and body (1) outer wall laminating has adhesion layer (3), heat preservation (4) are laminated in the outer wall of adhesion layer (3), and the outer wall laminating of heat preservation (4) has outer jacket (5), the one end laminating of body (1) has connector (6), and the other end of connector (6) is provided with ring flange (7), platform (8) have been tightened to the outer wall of connector (6) has been seted up, and the inner wall laminating of connector (6) has sleeve pipe (9), the outer wall of sleeve pipe (9) is fixed with outer beam circle (10), the outer wall laminating of connector (6) has clamping structure (11).

2. The MPP tube with external high temperature weakening structure of claim 1, wherein: the pressure heads (2) are uniformly distributed on the outer wall of the pipe body (1) at equal intervals, and the pressure heads (2) are symmetrically distributed along the central axis of the pipe body (1).

3. The MPP tube with external high temperature weakening structure of claim 1, wherein: body (1) is laminated each other through adhesion layer (3) and heat preservation (4), and adhesion layer (3), heat preservation (4) and outer jacket (5) distribute each other in proper order.

4. The MPP tube with external high temperature weakening structure of claim 1, wherein: the sleeve (9) is mutually attached to the inner wall of the pipe body (1) through an outer binding ring (10), and the outer binding ring (10) is provided with a pair.

5. The MPP tube with external high temperature weakening structure of claim 1, wherein: the clamping structure (11) comprises a clamping hoop (1101), fixing heads (1102) and fixing bolts (1103), the fixing heads (1102) are welded at two ends of the clamping hoop (1101), and the fixing bolts (1103) are arranged in the middle of the inner side of the fixing heads (1102).

6. An MPP tube with a structure for weakening the exterior high temperature as set forth in claim 5 wherein: an embedded structure is arranged between the clamping hoop (1101) and the tightening platform (8), and the clamping hoop (1101) and the heat-insulating layer (4) are mutually attached.