CN114294486B

CN114294486B - High-pressure-resistant fiber yarn winding type composite pipe

Info

Publication number: CN114294486B
Application number: CN202111548886.XA
Authority: CN
Inventors: 黄昌会; 潘诚; 王利平; 严光辉; 吕晓琳; 陆军
Original assignee: Xi'an Sitong Pipe Industry Co ltd
Current assignee: Xi'an Sitong Pipe Industry Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2023-06-16
Anticipated expiration: 2041-12-17
Also published as: CN114294486A

Abstract

The invention discloses a high-pressure-resistant fiber filament winding type composite pipe, which comprises an inner pipe, an outer pipe and a high-pressure-resistant layer arranged between the inner pipe and the outer pipe, wherein the high-pressure-resistant layer comprises a pressure-resistant ring assembly uniformly sleeved on the inner side and the outer side along the length direction of the inner pipe, the pressure-resistant ring assembly comprises a movable ring and a plurality of arc-shaped blocks arranged on the inner side in a sliding manner, the inner side of the movable ring is in a funnel shape, the inner side of the movable ring is uniformly provided with T-shaped sliding grooves along the circumferential direction of the movable ring, the cross sections of the arc-shaped blocks are in a right-angle trapezoid shape, the inclined surfaces of the arc-shaped blocks are mutually matched with the inner side of the movable ring, and T-shaped sliding strips mutually matched with the T-shaped sliding grooves are arranged at the middle positions of the inclined surfaces of the arc-shaped blocks. When the pressure at a certain position is overlarge and the inner tube is deformed, the pressure can be dispersed to the length direction of the outer tube and the circumferential direction of the outer tube through the pressure-resistant ring assembly, so that the high-pressure-resistant pipe has high pressure resistance with excellent points.

Description

High-pressure-resistant fiber yarn winding type composite pipe

Technical Field

The invention relates to the technical field of composite pipes, in particular to a high-pressure-resistant fiber yarn winding type composite pipe.

Background

The pipes are very popular in daily life, and commonly used pipes include water supply pipes, water discharge pipes, gas pipes, heating pipes, electric wire guide pipes, rainwater pipes and the like, and with the development of the technology, the development of the pipes is carried out by common cast iron pipes, cement pipes, ductile cast iron pipes, galvanized steel pipes, plastic pipes, aluminum plastic composite pipes and the like, wherein the fiber yarn winding type composite pipes are particularly prominent.

The fiber winding type composite pipe is an integrated composite pipe formed by winding fibers on the outer surface of a pipeline in a certain rule, and the fiber winding product has remarkable effects on the mechanical property and physical property of a reinforcing material, and although the conventional fiber winding type composite pipe can enhance the high pressure resistance of the pipeline through fiber, in the process of conveying high-pressure fluid, when the pressure of the high-pressure fluid is not consistent to the pressure of each part (such as at a bending position), the fiber is broken due to uneven stress of the fiber along with the increase of the pressure, so that the pipeline is broken, and the use of the fiber is influenced.

Disclosure of Invention

The invention aims to provide a high-pressure-resistant fiber yarn winding type composite pipe to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high pressure resistant fiber winding type composite pipe, includes inner tube, outer tube and the high pressure resistant layer of setting between inner tube and outer tube, the high pressure resistant layer includes the pressure resistant ring subassembly of outside including being established along the even cover of inner tube length direction, the pressure resistant ring subassembly includes and removes the ring and slide a plurality of arc pieces that set up in the removal inboard, wherein, the inboard of removing the ring is the funnel form, and removes the inboard of ring and evenly is provided with T type spout along its circumferencial direction, the transversal right trapezoid shape of personally submitting of arc piece, and the inclined plane of arc piece and the inboard looks adaptation of removing the ring, the intermediate position department of the inclined plane of arc piece is provided with the T type draw runner of mutually adaptation with T type spout, and the intermediate position department that arc piece kept away from inner tube one side runs through and is provided with the line hole, and a plurality of arc piece surrounds and form the annular, adjacent be fixed with the connecting piece through the line hole between the removal ring between the pressure resistant ring subassembly.

Preferably, the minimum inner diameter of the moving ring is larger than the outer diameter of the inner tube.

Preferably, the number of the arc-shaped blocks is 6.

Preferably, the inner diameter of the ring formed by surrounding the 6 arc-shaped blocks is equal to the outer diameter of the inner tube.

Preferably, the inner tube is a composite tube.

Preferably, the outer tube is a plastic tube.

Preferably, the connecting piece is a steel wire rope or a connecting rod.

Compared with the prior art, the invention has the beneficial effects that:

the high-pressure resistant layer comprises a pressure resistant ring component uniformly sleeved on the inner side and the outer side along the radial direction of the inner pipe, wherein the pressure resistant ring component comprises a movable ring and a plurality of arc blocks which are arranged on the inner side in a sliding manner, when the pressure of fluid transported in the inner pipe is consistent to the pressure in a pipeline in the application process, the position of the inner pipe, which is subjected to excessive pressure, is protruded outwards, the corresponding arc blocks of the corresponding pressure resistant ring component are enabled to move outwards, when the corresponding arc blocks of the pressure resistant ring component move outwards, because the inner side of the movable ring is in a funnel shape, the inclined surfaces of the arc blocks are matched with the inner side of the movable ring, the movable ring cannot move in the radial direction due to the limitation of the outer pipe, and then the movable ring can move along the length of the inner pipe, and meanwhile, because the inner side of the movable ring is uniformly provided with T-shaped sliding grooves along the circumferential direction, the middle position of the inclined surfaces of the arc blocks is provided with T-shaped sliding strips which are matched with the T-shaped sliding grooves, so that other arc blocks move outwards like the arc blocks which are subjected to pressure, the pressure is dispersed to the circumference of the outer pipe, and the pressure is enabled to move outwards due to the fact that the fixed part between the movable ring and the movable ring passes through the fixed part between the movable ring and the inner pipe in the circumferential direction, namely the inner pipe is enabled to move outwards in the opposite direction to have the length to be deformed to the opposite direction.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the A-A plane of FIG. 2;

fig. 4 is a schematic view of a partial structure at a in fig. 2.

In the figure: 1. an inner tube; 2. an outer tube; 3. a high pressure resistant layer; 31. a pressure ring assembly; 311. a moving ring; 312. an arc-shaped block; 313. a T-shaped chute; 314. a T-shaped slide bar; 315. a wire through hole; 316. and (5) a connector.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, an embodiment of the present invention is provided: the utility model provides a high pressure resistant fiber silk winding type composite pipe, including inner tube 1, outer tube 2 and the high pressure resistant layer 3 of setting between inner tube 1 and outer tube 2, inner tube 1 is composite tubular product, outer tube 2 is plastic tubular product, high pressure resistant layer 3 includes the pressure resistant ring subassembly 31 of evenly overlapping the inside and outside along inner tube 1 length direction, pressure resistant ring subassembly 31 includes shift ring 311 and slides and set up 6 arc piece 312 in the shift inboard, wherein, shift ring 311's inboard is the hopper-shaped, and shift ring 311's inboard evenly is provided with T type spout 313 along its circumferencial direction, arc piece 312's cross-section personally submits right trapezoid, and the inclined plane of arc piece 312 and shift ring 311's inboard mutually support, arc piece 312's inclined plane intermediate position department is provided with the T type slide 314 of mutually support with T type spout 313, and arc piece 312 is kept away from the intermediate position department of inner tube 1 one side and is run through and is provided with wire hole 315, and 6 arc piece 312 surround and form the annular, be fixed with the connecting piece 316 that passes wire hole 315 between the shift ring 311 between the adjacent pressure resistant ring subassembly 31, connecting piece 316 is for shift ring 311 or shift ring 311 is big or the inside diameter of arc piece 312 is little outer diameter of arc piece 1 and outer diameter of annular ring-shaped outside diameter 6 is equal to be formed.

Working principle: when the pressure of fluid transported in the inner pipe 1 is consistent with the pressure in the pipeline, the inner pipe 1 is enabled to be outwards protruded at the position where the pressure is overlarge, at the moment, the corresponding arc-shaped block 312 of the corresponding pressure-resistant ring assembly 31 is enabled to be outwards moved, when the corresponding arc-shaped block 312 of the corresponding pressure-resistant ring assembly 31 is outwards moved as well as the corresponding arc-shaped block 312 of the pressed arc-shaped block 312 is enabled to be outwards moved, the inner side of the moving ring 311 is in a funnel shape, the inclined plane of the arc-shaped block 312 is matched with the inner side of the moving ring 311, the moving ring 311 is limited by the outer pipe 2 and cannot be radially moved, and then the moving ring 311 can move along the length of the inner pipe 1, at the moment, the inner side of the moving ring 311 is evenly provided with T-shaped sliding grooves 313 along the circumferential direction, at the middle position of the inclined plane of the arc-shaped block 312 is provided with T-shaped sliding strips 314 mutually matched with the T-shaped sliding grooves 313, so that the other arc-shaped blocks 312 can be outwards moved as well as the pressed arc-shaped block 312, the pressure is dispersed to the circumference of the outer pipe 1, and the connecting piece 316 penetrating through a line hole is fixed between the moving ring 311 between the moving ring and the pressure-resistant ring assembly 31, namely the inner pipe 1 is simultaneously moved along the length direction, the inner pipe 1, the pressure is dispersed along the length direction, and the length of the inner pipe is enabled to be well deformed along the length direction of the inner pipe 1, and the length along the length of the inner pipe, and the pressure-resistant ring is enabled to be well.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a high pressure resistant fiber filament winding type composite pipe, includes inner tube (1), outer tube (2) and sets up high pressure resistant layer (3) between inner tube (1) and outer tube (2), its characterized in that, high pressure resistant layer (3) are including evenly overlapping along inner tube (1) length direction and establish pressure resistant ring assembly (31) in the outside, pressure resistant ring assembly (31) are including removing ring (311) and sliding arrangement at a plurality of arc piece (312) of removing the inboard, wherein, the inboard of removing ring (311) is the hopper-shaped, and the inboard of removing ring (311) evenly is provided with T type spout (313) along its circumferencial direction, the transversal of arc piece (312) is the right trapezoid, and the inclined plane of arc piece (312) and the inboard looks adaptation of removing ring (311), the intermediate position department of the inclined plane of arc piece (312) is provided with T type slide bar (314) of being mutually adapted, and arc piece (312) keep away from the intermediate position department of inner tube (1) one side and run through and be provided with line (315), and form between arc piece (315) and the fixed ring assembly (315) is passed between the fixed ring (315).

2. A high pressure resistant filament wound composite tube according to claim 1, wherein: the minimum inner diameter of the movable ring (311) is larger than the outer diameter of the inner tube (1).

3. A high pressure resistant filament wound composite tube according to claim 1, wherein: the number of the arc-shaped blocks is 6.

4. A high pressure resistant filament wound composite tube according to claim 3, wherein: the inner diameter of the ring formed by the surrounding of the 6 arc-shaped blocks (312) is equal to the outer diameter of the inner tube (1).

5. A high pressure resistant filament wound composite tube according to claim 1, wherein: the inner pipe (1) is a composite pipe.

6. A high pressure resistant filament wound composite tube according to claim 1, wherein: the outer tube (2) is a plastic tube.

7. A high pressure resistant filament wound composite tube according to claim 1, wherein: the connecting piece (316) is a steel wire rope or a connecting rod.