CN212561613U

CN212561613U - Sealing assembly for pipe gallery cross joint

Info

Publication number: CN212561613U
Application number: CN202020642896.4U
Authority: CN
Inventors: 战福军
Original assignee: Nanjing Lianzhong Engineering Technology Co ltd
Current assignee: Nanjing Lianzhong Engineering Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-19
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a seal assembly of a pipe gallery cross joint, which is positioned at the common splicing part of adjacent pipe joints and adjacent wallboards and comprises a first seal surface, a second seal surface and a third seal surface; the first sealing surface is positioned between the flange at the end part of the first wall plate and the second wall plate; the second sealing surface comprises a first flange and a second flange, the first flange is positioned at one end, facing the inner side of the pipe gallery, of the flange of the first wallboard, and the second flange is positioned at the corresponding splicing position of the second wallboard; the third sealing surface is perpendicular to the second sealing surface and the circumferential flange. The utility model has simple structure and good sealing effect; the utility model discloses even seam crossing has the error of equidimension not, also can adjust through the assembled flange in the second way seal structure, assembly speed is fast, has improved the precision of connecting.

Description

Sealing assembly for pipe gallery cross joint

Technical Field

The utility model relates to a seal assembly of piping lane cross seam.

Background

The applicant has been devoted to the research and application of large fabricated steel structural pipes, including pipes of corrugated steel plates with four sides all outwardly arched. The corrugated flanges are welded at the left end part and the right end part or the upper end part and the lower end part of the arched corrugated steel plate, and the corrugated flanges are attached and connected with the end parts of the adjacent corrugated steel plates. Other four-side wall plates of the channel are also connected by corrugated axial flanges to form a unit pipe joint after connection. Four axial seams (along the extending direction of the pipeline) are arranged at four corners of each section of standard channel, when a plurality of sections of channels are connected, the annular flat plate flanges at the end parts of each section are connected, and an annular seam is arranged between each section. The circumferential seam intersects the axial seams at the four corners to form a "cross" seam, as shown in FIG. 1. As the shape of the gap of the axial joint is the same as that of the corrugated flange and the cross-shaped joint is a sealing difficulty, the cross-shaped joint is a main water leakage point after the product is buried and is difficult to seal.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a sealed effectual, the high, simple structure's of intensity seal assembly of piping lane cross seam.

The technical scheme is as follows: the utility model discloses a seal assembly of piping lane cross seam, cross seam is located the public concatenation department of adjacent tube coupling and adjacent wallboard, adjacent tube coupling is through the hoop flange joint who locates wallboard one side, adjacent wallboard is through the flange joint at each wallboard both ends, its characterized in that, seal assembly is located public concatenation department, including first sealed face, second sealed face and third sealed face; the first sealing surface is positioned between the flange at the end part of the first wall plate and the second wall plate; the second sealing surface comprises a first flange and a second flange, the first flange is arranged at one end, facing the inner side of the pipe gallery, of the flange of the first wallboard and is vertical to the flange, and the second flange is vertically arranged on the second wallboard and is opposite to the first flange; and the third sealing surface is respectively vertical to the second sealing surface and the circumferential flange.

The second sealing surface is fixedly connected with the wall plate or the flange or is of an assembled structure.

The second sealing surface is L-shaped and comprises a bending part and a flange part, and the bending part is parallel to and connected with the circumferential flange. The second flange is L-shaped, or the first flange and the second flange are both L-shaped.

The bending part is abutted against the horizontal joint of the adjacent wall board, namely the joint of the first flange and the second flange is staggered with the horizontal joint.

The third flange and the fourth flange are respectively and vertically connected with the first flange and the second flange; the cover plate is arranged on the outer sides of the third flange and the fourth flange.

And rubber sealing gaskets are arranged between the cover plate and the third flange and between the cover plate and the fourth flange.

The first wall plate and the second wall plate are arched corrugated plates. The first flange and the second flange are fan-shaped and fit with the corrugated shape of the wallboard. The second seal face height is not less than one-half wave height.

And a rubber sealing gasket is arranged between the first flange and the second flange.

The first sealing surface is a rubber gasket.

And a sealing gasket is arranged between the adjacent pipe joints and is used as a fourth sealing surface.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is as follows showing:

(1) the utility model has the advantages of simple structure, it is sealed effectual, through the experiment demonstration, sealing capacity can reach 0.3MPa, 30m water column promptly.

(2) The utility model discloses the error that can overcome the wallboard leads to the inconvenient problem of installation, even seam crossing has the error of equidimension not, also can carry out nimble adjustment through the assembled flange in the second way seal structure, and assembly speed is fast, has improved the precision of connecting.

(3) The utility model discloses with the cross deblocking, transfer non-bight position from the complicated position in bight, reduced seal structure's the processing degree of difficulty.

Drawings

FIG. 1 is a schematic structural view of a tube lane cross joint;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention along the circumferential direction of the flange;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic structural view of the cross section a-a of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model discloses locate the public concatenation department (also called cross seam) of adjacent tube coupling and adjacent wallboard, locate promptly on the four corners of the ring joint face of first unit tube coupling 3 and second unit tube coupling 4, as shown in figure 1. The first unit pipe joint 3 is connected with the second unit pipe joint 4 through a circumferential flange arranged at the end part of each wall plate. Each unit pipe joint is formed by connecting 4 arched corrugated plates, and adjacent wallboards are spliced one by connecting and welding a flange at the end part of one wallboard and the end part of the other wallboard.

Pipeline that the pipeline splices into for arch ripple wallboard in this embodiment to a certain two blocks of adjacent wallboards of a certain coupling are taken as the example, use first wallboard 1 and second wallboard 2 as the example promptly, further explain the utility model discloses a concrete structure.

As shown in fig. 2, the end of the first wall panel 1 in the direction of extension of the pipeline is provided with a first circumferential flange 11. The end of the first wall panel 1 facing the second wall panel 2 is provided with a flange 12, the flange 12 comprising a connecting section 120, an extension section 121 and a circumferentially extending section 122. The connecting section 120 and the extending section 121 are the same corrugated flange plate, and the corrugated shape and the camber of the two sections are consistent with those of the wall plate. The connecting section 120 is located on the outer side of the assembled pipeline, the extending section 121 is located on the inner side of the assembled pipeline, and the annular extending section 121 and the first annular flange 11 are located on the same plane. One end of the second wall panel 2 in the direction of extension of the pipeline is provided with a second circumferential flange 21.

The utility model discloses a first sealed face 10, the sealed face 20 of second, the sealed face 30 of third and the sealed face 40 of fourth.

The first sealing surface 10 is a rubber gasket and is located between the flange 12 and the end of the second panel 2 and covers the width of the joint between the first unit pipe joint 3 and the second unit pipe joint 4. Be equipped with the bolt hole on the first sealing surface, can correspond the bolt hole of flange 12 and second wallboard 2 tip.

The second sealing surface 20 comprises a first flange 201 and a second flange 202. The first flange 201 is located at the end of the flange 12 of the first wall panel 1 facing the inside of the duct, i.e. the end of the extension 121, which is arranged perpendicular to the extension. Since the extension portion 121 is corrugated in cross section, the first flange 201 is fan-shaped, and the lower edge of the first flange abuts against the corrugated edge of the extension portion, as shown in fig. 3. The first flange 201 and the second flange 202 are approximately equal to or less than the width of the circumferential flange to the nearest peak 22, and the height is not less than half the wave height. A first flange 201 is welded to the end of the extension 121 of the first wall panel 1. The second flange 202 is located on the second wall panel 2 corresponding to the joint of the first wall panel 1. The second flange 202 is welded at the splicing location of the second wall panel 2. After the first wall plate 1 and the second wall plate 2 are aligned, the first flange 201 and the second flange 202 are connected through bolts, and a rubber sealing gasket is arranged between the first flange 201 and the second flange 202 to enhance the sealing effect at the cross joint.

As shown in fig. 3, the second sealing surface 20 may be formed in an L-shape, and includes a bent portion 204 and a flange portion 202, wherein the bent portion 204 is parallel to and connected to the circumferential flange of the wall plate by bolts. The first flange 201 is connected to the first circumferential flange 11 and the second flange 202 is connected to the second circumferential flange 21. Flange portion 202 is perpendicular to both the circumferential flange and the wall panel. The bolt hole on the bending part 204 is a waist-shaped hole, so that the position adjustment of the flange is facilitated, and the sealing effect can be enhanced.

The bending part 204 abuts against the horizontal joint 7 of the adjacent wall board, namely the joint of the first flange 201 and the second flange 202 is staggered with the horizontal joint 7, and a rubber sealing gasket is arranged between the bending part 204 and the circumferential flange. The structure further seals the connecting seams between the adjacent wallboards, and the combined sealing gasket achieves better sealing effect, can prevent the outside of the pipeline from seeping water inwards through the seams and the like.

The third sealing surface 30 comprises a third flange 301, a fourth flange 300 and a cover plate 302 which are respectively vertically connected with the tops of the first flange 201 and the second flange 202 in a welding mode. The third flange 301 and the fourth flange 300 are located in the same plane. The width of the third flange 301 and the fourth flange 300 does not exceed the distance from the circumferential flange plate to the adjacent wave crest 22. The third flange 301 and the fourth flange 300 are provided with a cover plate 302 after aligning two corresponding flange plates of the next unit pipe joint 4, wherein the cover plate 302 is a whole steel plate and has the size of the sum of four small flange plates. The cover plate 302, the third flange 301 and the fourth flange 300 are all provided with bolt holes, and the bolt holes are circular or kidney-shaped. The cover plate 302, the third flange 301 and the fourth flange 300 are fixedly connected by bolts. Rubber gaskets 303 are arranged between the cover plate 302 and the third flange 301 and the fourth flange 300.

The fourth sealing surface 40 is a rubber gasket disposed between the circumferential flanges of adjacent pipe sections.

In another embodiment of the present invention, the second flange 202 is assembled, i.e. not connected to the second wall panel 2. The rest of the structure is the same as the previous embodiment. When the concatenation department of waiting to connect first wallboard 1 and second wallboard 2 aligns, the second flange 202 of assembled can the disect insertion assemble the department, if the second flange is connected with the second wallboard, then when the concatenation of first flange and second flange contact surface appears the error, be not convenient for adjust, the structure that this embodiment was said has solved sometimes that the second says that sealed seam is too big, be difficult to compress tightly, be difficult to sealed problem, the sealed precision and the sealed effect of sealed face have been improved to the second, be convenient for installation in the actual engineering simultaneously.

Claims

1. A seal assembly for a piping lane cruciform joint, the cruciform joint being located at a common splice (5) between adjacent pipe sections and adjacent wall panels, the adjacent pipe sections being connected by a circumferential flange provided at one side of the wall panels, the adjacent wall panels being connected by flanges (12) at both ends of each wall panel, characterised in that the seal assembly is located at the common splice (5) and comprises a first seal surface (10), a second seal surface (20) and a third seal surface (30); the first sealing surface (10) is positioned between the flange (12) and the second wall plate (2); the second sealing surface (20) comprises a first flange (201) and a second flange (202), the first flange (201) is arranged at one end, facing the inner side of the pipe gallery, of the flange of the first wall plate (1) and is perpendicular to the flange (12), and the second flange (202) is perpendicularly arranged on the second wall plate (2) and is opposite to the first flange (201); the third sealing surface (30) is perpendicular to the second sealing surface (20) and the circumferential flange.

2. A seal assembly for a pipe gallery cruciform joint according to claim 1, wherein the second sealing surface (20) is fixedly connected to a wall panel or flange or is of fabricated construction.

3. A sealing assembly for a pipe lane cross joint according to claim 1, characterized in that said second sealing surface (20) is L-shaped and comprises a bent portion (204) and a flange portion (203), the bent portion (204) being parallel and connected to the circumferential flange.

4. A sealing assembly of a pipe gallery cruciform joint according to claim 3, characterized in that the bend (204) abuts against the horizontal joint (7) of the adjacent wall panel, i.e. the joints of the first flange (201) and the second flange (202) are staggered with respect to the horizontal joint (7).

5. A seal assembly of a pipe lane cross joint according to claim 1, characterized in that the third sealing surface (30) comprises a third flange (301), a fourth flange (300) and a cover plate (302); the third flange (301) and the fourth flange (300) are respectively and vertically connected with the first flange (201) and the second flange (202); the cover plate (302) is arranged on the outer sides of the third flange (301) and the fourth flange (300).

6. A sealing assembly of a pipe gallery cruciform joint according to claim 1, characterized in that the first wall panel (1) and the second wall panel (2) are arched corrugated panels.

7. A seal assembly of a pipe gallery cruciform joint according to claim 6, characterized in that the first flange (201) and the second flange (202) are fan-shaped to conform to the corrugated shape of a wall panel.

8. A seal assembly of a tube lane cruciform joint according to claim 6, characterized in that the second sealing surface (20) is no less than one-half wave height in height.

9. A sealing assembly for a pipe gallery cruciform joint according to claim 1, characterized in that a rubber gasket is provided between the first flange (201) and the second flange (202).

10. A sealing assembly for a pipe gallery cruciform joint according to claim 1, characterized in that the first sealing surface (10) is a rubber gasket.

11. A sealing assembly for a pipe gallery cruciform joint according to claim 1, characterized in that a gasket (6) is provided between adjacent pipe sections as a fourth sealing surface.