CN214838999U

CN214838999U - Double-walled spiral welded pipe that compressive strength is high

Info

Publication number: CN214838999U
Application number: CN202120699470.7U
Authority: CN
Inventors: 刘立海
Original assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Current assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-23
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a double-walled spiral welded pipe that compressive strength is high relates to drainage pipe technical field, the utility model discloses a main part, connecting device, compressive device, fixing device and functional device, connecting device include upper junction plate, lower connecting plate and connecting bolt, and the surface welding is gone up to upper junction plate internal side surface and top tube body, and the surface welding is gone up to the lower connecting plate internal side surface and lower tube body external side, and the upper junction plate passes through a plurality of connecting bolt with lower connecting plate and is connected. The utility model relates to a double-walled spiral welded pipe that compressive strength is high, go up the body and carry out the primary connection through connecting pipe and rotatory hole with lower body, rethread connecting bolt and coupling nut further fix the connecting plate on with two bodys, guaranteed the stability of pipe connection, solid fixed ring through the body outside carries out the piping erection, greatly reduced the construction degree of difficulty, be equipped with back up coat and cement layer between two metal tube layers, improved the compressive strength of device greatly, improved the life of device.

Description

Double-walled spiral welded pipe that compressive strength is high

Technical Field

The utility model relates to a drainage pipe technical field, in particular to double-walled spiral welded pipe that compressive strength is high.

Background

The drainage pipe refers to a system consisting of a pipe channel for collecting and discharging sewage, wastewater and rainwater and accessory facilities thereof. Including main pipes, branch pipes and pipes leading to a treatment plant, whether built on streets or anywhere else, as long as the pipes are used for drainage, the pipes are used as drainage pipe statistics, and double-wall spiral welded pipes are commonly used in the existing municipal engineering.

The conventional double-wall spiral welded pipe is simple in structure, low in compressive strength and high in construction difficulty, and therefore the double-wall spiral welded pipe with high compressive strength is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a double-walled spiral welded pipe that compressive strength is high, simple structure in can effectively solving the background art, the not high and great scheduling problem of the construction degree of difficulty of compressive strength.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a double-wall spiral welded pipe with high compressive strength comprises a main body, a connecting device, a compressive device, a fixing device and a functional device, wherein the main body comprises an upper pipe body and a lower pipe body, the connecting device comprises an upper connecting plate, a lower connecting plate and connecting bolts, the inner side surface of the upper connecting plate is welded with the outer side surface of the upper pipe body, the inner side surface of the lower connecting plate is welded with the outer side surface of the lower pipe body, the upper connecting plate is connected with the lower connecting plate through a plurality of connecting bolts, the compressive device comprises a metal outer layer, a cement layer and a metal inner layer, the inner side surface of the metal outer layer is connected with the outer side surface of the cement layer, the outer side surface of the metal inner layer is connected with the inner side surface of the cement layer, the fixing device comprises a fixing ring and a fixing block, the fixing ring is arranged on the outer side surface of the upper pipe body, and one surface of the fixing block is connected with the outer side surface of the fixing ring, the function device comprises an anticorrosive coating, the anticorrosive coating is arranged on the outer side surface of the metal layer, the anticorrosive coating is arranged on the inner side surface of the metal layer, six connecting bolts are arranged, and two fixing blocks are arranged.

Preferably, the main part still includes the connecting pipe, connecting pipe one end and the welding of upper tube body one end, lower tube body one end is equipped with rotatory hole, connecting pipe and rotatory hole normal running fit are through connecting pipe with two body coupling, the combined use of the device of being convenient for.

Preferably, connecting device still includes coupling nut, and is a plurality of coupling nut one surface and upper junction plate one side surface weld, a plurality of coupling bolt is respectively with a plurality of coupling nut normal running fit, and wherein, coupling nut has six, and two connecting plates pass through coupling bolt and are connected with coupling nut, guarantee the fixed connection between the body.

Preferably, the compressive device further comprises a reinforcing layer, the reinforcing layer is arranged between the metal inner layer and the cement layer, and the compressive strength of the pipeline is guaranteed through the supporting and compressive effects of the cement layer and the reinforcing layer.

Preferably, fixing device still includes the fixed column, and a plurality of a fixed block surface is equipped with the through-hole, and a plurality of the fixed column is connected with the through-hole, and wherein, the fixed column has two, is fixed in the mounted position with the pipeline through the fixed column, guarantees the stability of the installation of pipeline.

Preferably, solid fixed ring and pipeline sliding fit, through the slip of solid fixed ring and pipeline, the fixed position of adjustment fixed column guarantees the installation stability of pipeline.

Preferably, the functional device further comprises a waterproof layer, the waterproof layer is arranged on the inner side surface of the metal inner layer, corrosion of the pipeline in use is reduced by arranging the anti-corrosion layer, the waterproof layer is arranged to enhance the sealing performance of the pipeline, and water leakage is prevented.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, go up the body and carry out the initial joint with rotatory hole through the connecting pipe with lower body, rethread connecting bolt and coupling nut further fix the connecting plate on with two bodys, have guaranteed the stability of pipe connection, carry out the piping erection through the solid fixed ring in the body outside, greatly reduced the construction degree of difficulty.

2. The utility model discloses in, be equipped with back up coat and cement layer between two tubular metal resonator layers, improved the compressive strength of device greatly, improved the life of device.

Drawings

FIG. 1 is a schematic view of the overall external structure of a double-walled spiral welded pipe with high compressive strength according to the present invention;

fig. 2 is an isometric structural schematic diagram of a double-wall spiral welded pipe with high compressive strength according to the present invention;

FIG. 3 is a schematic view of a front view of a double-walled spiral welded pipe with high compressive strength of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 of a double-walled spiral welded pipe with high compressive strength according to the present invention;

fig. 5 is a schematic view of a part of the structure at B in fig. 4 of the double-wall spiral welded pipe with high compressive strength of the present invention.

In the figure: 100. a main body; 110. a pipe body is arranged; 120. a lower pipe body; 130. a connecting pipe; 200. a connecting device; 210. an upper connecting plate; 220. a lower connecting plate; 230. a connecting bolt; 240. a connecting nut; 300. a compression resistance device; 310. a metal outer layer; 320. a reinforcement layer; 330. a cement layer; 340. a metal inner layer; 400. a fixing device; 410. a fixing ring; 420. a fixed block; 430. fixing a column; 500. a functional device; 510. an anticorrosive layer; 520. and a waterproof layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention relates to a double-walled spiral welded pipe with high compressive strength, including a main body 100, a connecting device 200, a compressive device 300, a fixing device 400 and a functional device 500, wherein the main body 100 includes an upper pipe body 110 and a lower pipe body 120, the connecting device 200 includes an upper connecting plate 210, a lower connecting plate 220 and connecting bolts 230, the inner side surface of the upper connecting plate 210 is welded to the outer side surface of the upper pipe body 110, the inner side surface of the lower connecting plate 220 is welded to the outer side surface of the lower pipe body 120, the upper connecting plate 210 is connected to the lower connecting plate 220 through the connecting bolts 230, the compressive device 300 includes a metal outer layer 310, a cement layer 330 and a metal inner layer 340, the inner side surface of the metal outer layer 310 is connected to the outer side surface of the cement layer 330, the outer side surface of the metal inner layer 340 is connected to the inner side surface of the cement layer 330, the fixing device 400 includes a fixing ring 410 and a fixing block 420, the fixing ring 410 is disposed on the outer side surface of the upper pipe body 110, a plurality of fixed blocks 420 surface all with solid fixed ring 410 outside surface connection, functional device 500 includes anticorrosive coating 510, anticorrosive coating 510 sets up in the outer 310 outside surface of metal, anticorrosive coating 510 sets up in the inner 340 inside surface of metal, and wherein, connecting bolt 230 has six, and fixed block 420 has two.

Referring to fig. 1-3, the main body 100 further includes a connecting pipe 130, one end of the connecting pipe 130 is welded to one end of the upper pipe 110, one end of the lower pipe 120 is provided with a rotation hole, the connecting pipe 130 is rotatably engaged with the rotation hole, and the two pipes are connected by the connecting pipe 130, thereby facilitating the assembly of the device.

Referring to fig. 1-3, the connection device 200 further includes connection nuts 240, a surface of each of the connection nuts 240 is welded to a surface of one side of the upper connection plate 210, and a plurality of connection bolts 230 are respectively rotatably engaged with the connection nuts 240, wherein the number of the connection nuts 240 is six, and the two connection plates are connected to the connection nuts 240 through the connection bolts 230, so as to ensure the fixed connection between the pipe bodies.

Referring to fig. 1-5, the pressure-resistant device 300 further includes a reinforcing layer 320, the reinforcing layer 320 is disposed between the metal inner layer 340 and the cement layer 330, and the compressive strength of the pipeline is ensured through the supporting and pressure-resistant effects of the cement layer 330 and the reinforcing layer 320.

Referring to fig. 1 to 3, the fixing device 400 further includes fixing posts 430, through holes are formed in one surface of the fixing blocks 420, and the fixing posts 430 are connected to the through holes, wherein there are two fixing posts 430, and the pipeline is fixed at an installation position by the fixing posts 430, so that the installation stability of the pipeline is ensured.

Referring to fig. 1 to 3, the fixing ring 410 is slidably engaged with the pipeline, and the fixing position of the fixing post 430 is adjusted by sliding the fixing ring 410 with the pipeline, so as to ensure the installation stability of the pipeline.

Referring to fig. 1 to 5, the functional device 500 further includes a waterproof layer 520, the waterproof layer 520 is disposed on the inner surface of the metal inner layer 340, corrosion of the pipeline is reduced by disposing the anti-corrosion layer 510, and the waterproof layer 520 enhances the sealing performance of the pipeline to prevent water leakage.

The utility model discloses the theory of operation:

please refer to fig. 1-5, the utility model relates to a double-walled spiral welded pipe that compressive strength is high, during the use, connecting pipe 130 on upper tube body 110 is screwed with the rotatory hole on lower tube body 120, make upper junction plate 210 be connected with lower junction plate 220, rethread connecting bolt 230 is together fixed with two connecting plates with coupling nut 240's rotatory cooperation, then lay the pipeline at the mounted position, adjust the position of fixed column 430 through solid fixed ring 410, then be fixed in suitable position with fixed column 430, accomplish the installation, simultaneously, can increase the quantity of solid fixed ring 410 on the pipeline during the installation, guarantee the stability of installation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A double-walled spiral welded pipe that compressive strength is high, includes main part (100), connecting device (200), compression resisting device (300), fixing device (400) and functional device (500), its characterized in that: the main body (100) comprises an upper pipe body (110) and a lower pipe body (120), the connecting device (200) comprises an upper connecting plate (210), a lower connecting plate (220) and connecting bolts (230), the inner side surface of the upper connecting plate (210) is welded with the outer side surface of the upper pipe body (110), the inner side surface of the lower connecting plate (220) is welded with the outer side surface of the lower pipe body (120), the upper connecting plate (210) is connected with the lower connecting plate (220) through a plurality of connecting bolts (230), the compression-resistant device (300) comprises a metal outer layer (310), a cement layer (330) and a metal inner layer (340), the inner side surface of the metal outer layer (310) is connected with the outer side surface of the cement layer (330), the outer side surface of the metal inner layer (340) is connected with the inner side surface of the cement layer (330), the fixing device (400) comprises a fixing ring (410) and a fixing block (420), fixed ring (410) set up in last body (110) outside surface, and is a plurality of fixed block (420) surface all is connected with fixed ring (410) outside surface, functional device (500) include anticorrosive coating (510), anticorrosive coating (510) set up in metal outer layer (310) outside surface, anticorrosive coating (510) set up in metal inner layer (340) inside surface.

2. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the main body (100) further comprises a connecting pipe (130), one end of the connecting pipe (130) is welded with one end of the upper pipe body (110), a rotating hole is formed in one end of the lower pipe body (120), and the connecting pipe (130) is matched with the rotating hole in a rotating mode.

3. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the connecting device (200) further comprises a plurality of connecting nuts (240), one surface of each connecting nut (240) is welded with the surface of one side of the upper connecting plate (210), and the plurality of connecting bolts (230) are respectively in rotating fit with the plurality of connecting nuts (240).

4. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the pressure-resistant device (300) further comprises a reinforcing layer (320), wherein the reinforcing layer (320) is arranged between the metal inner layer (340) and the cement layer (330).

5. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the fixing device (400) further comprises fixing columns (430), through holes are formed in one surface of the fixing blocks (420), and the fixing columns (430) are connected with the through holes.

6. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the fixed ring (410) is in sliding fit with the pipeline.

7. A double-walled spirally welded tube having high compressive strength as claimed in claim 1, wherein: the functional device (500) further comprises a waterproof layer (520), and the waterproof layer (520) is arranged on the inner side surface of the metal inner layer (340).