CN217583573U

CN217583573U - Bending moment resistant flange for pipeline connection

Info

Publication number: CN217583573U
Application number: CN202221491721.3U
Authority: CN
Inventors: 冯峥嵘
Original assignee: Linhai Sanjiang Construction Machinery Manufacturing Co ltd
Current assignee: Linhai Sanjiang Construction Machinery Manufacturing Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-10-14
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a bending resistance flange for pipe connection, including first flange spare and second flange spare, the one end fixed mounting of first flange spare has an outer protection section of thick bamboo, the assembly chamber has been seted up at the middle part of second flange spare one end, the fixed welding connecting plate that is equipped with in middle part of assembly chamber, the assembly section of thick bamboo in welding connecting plate's one end fixed mounting, the one end slidable mounting of second flange spare has the spacing piece of semicircle that four annular distribute, four spacing pieces of semicircle all are connected with the lateral surface contact of an outer protection section of thick bamboo, positioning bolt is all installed at the middle part of four spacing pieces of semicircle, the equal be-connected with spacing pole of spacing one end of four positioning bolt, the utility model discloses an outer protection section of thick bamboo, positioning bolt, the spacing piece of semicircle, the assembly chamber, an inner assembly section of thick bamboo, spacing inside lining and assembly magnetic ring have been improved the joint strength between first flange spare and the second flange spare, effectively avoid too big bending moment of bending phenomenon of breaking that causes, have the effect of convenient equipment simultaneously, need not the bolt and connect.

Description

Bending-resistant flange for pipeline connection

Technical Field

The utility model belongs to the technical field of the flange, a bending moment resistance flange for pipe connection is related to.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. Flange connection or flange joint refers to a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures

Patent No. CN202110532326.9 discloses a bending resistance moment flange for petroleum pipeline, this patent is through a plurality of side direction reinforcing plates that are equipped with, the side direction stress intensity of first ring flange and second ring flange has been guaranteed, avoided the pipeline to correspond first ring flange and second ring flange junction to receive the bending moment too big problem that the rupture influence pipeline use appears bending easily, the advantage of the joint strength of first ring flange and second ring flange has been promoted greatly, however, the shortcoming lies in, the butt joint equipment between the flange is comparatively loaded down with trivial details, need spend more time to remove the butt joint, and design like this, the reinforcing floor can have the effect of blockking, be not convenient for the installation of bolt, for this reason, we provide a bending resistance moment flange for the pipe connection.

Disclosure of Invention

An object of the utility model is to provide a bending resistance flange for pipe connection to solve the problem of proposing among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a bending moment resisting flange for pipe connection, includes first flange spare and second flange spare, the one end fixed mounting of first flange spare has an outer protection section of thick bamboo, the assembly chamber has been seted up at the middle part of second flange spare one end, the fixed welding connection board that is equipped with in middle part of assembly chamber, the one end fixed mounting of welding connection board has an interior assembly section of thick bamboo, the one end slidable mounting of second flange spare has four semicircle spacing pieces that the annular distributes, four the semicircle spacing piece all is connected with the lateral surface contact of an outer protection section of thick bamboo, four positioning bolt, four are all installed at the middle part of semicircle spacing piece positioning bolt's the equal assembly connection of one end has spacing buttressing lever, four the one end of spacing buttressing lever all with the one end swing joint of first flange spare, four connecting base hole that the annular distributes are seted up to the one end of second flange spare, four the inside of connecting base hole respectively with four positioning bolt threaded connection.

In foretell a bending resistance flange for pipe connection, the other end of first flange spare and the other end fixed mounting of second flange spare have the pipeline welding arch, two a set of sealing connection area of the equal fixedly connected with in the bellied one end of pipeline welding, it is two sets of the equal fixed mounting in one end of sealing connection area has the pipeline spacing ring. The purpose of setting up like this is that increase first flange spare and second flange spare and pipe connection's the connection wholeness, can distribute the pipeline department with the power that bears when the atress, increases the displacement length of power, and the effectual too big leakproofness that makes of avoiding the moment of flexure receives the influence.

In the bending moment resistant flange for connecting pipelines, the gap between the two groups of sealing connecting belts is less than 15 mm. The purpose that sets up like this is to increase pipeline spacing ring and pipe connection's connection structure intensity, can improve the atress dynamics.

In the bending moment resistant flange for pipeline connection, an assembly magnetic ring is fixedly installed at one end of the outer protection cylinder, and the assembly magnetic ring is in magnetic assembly connection with the assembly cavity.

This is intended to provide good assembly accuracy and stability.

In the bending-resistant flange for pipeline connection, a limiting lining is fixedly mounted on the outer surface of the inner assembly cylinder and is in interference connection with the outer protection cylinder.

The purpose that sets up like this improves spacing inside lining and an outer protection section of thick bamboo stability of being connected, has good leakproofness simultaneously, prevents the leakage of liquid.

In the bending moment resisting flange for pipeline connection, the metal filter screen is fixedly arranged inside the inner assembling cylinder. The purpose of setting up like this has certain filter effect, conveniently filters liquid.

Compared with the prior art, the utility model relates to a bending moment resistant flange for pipe connection's advantage does: through the outer protective barrel that is equipped with, positioning bolt, the spacing piece of semicircle, the assembly chamber, an interior assembly section of thick bamboo, spacing inside lining and assembly magnetic ring, the joint strength between first flange spare and the second flange spare has been improved, effectively avoid the too big rupture phenomenon of bending that causes of moment of flexure, the effect of convenient equipment has simultaneously, need not the bolt and connect, through sealing connection area and pipeline spacing ring, increase first flange spare and second flange spare and pipe connection's connection wholeness, can distribute the pipeline department with the power that bears when the atress, increase afterburning displacement length, the effectual too big leakproofness that makes of moment of flexure of avoiding receives the influence.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a bending-resistant flange for pipeline connection according to the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of a second bending-resistant flange for pipeline connection according to the present invention.

Fig. 3 is a schematic structural view of the installation of the bending-resistant flange sealing connecting band and the spacing ring for pipeline connection of the present invention.

Fig. 4 is a schematic structural view of the bending-resistant flange connection base hole for pipeline connection of the present invention.

In the figure, 1, a first flange member; 2. a second flange member; 3. an outer protective sleeve; 4. welding a bulge on the pipeline; 5. positioning the bolt; 6. a semicircular limiting sheet; 7. an assembly chamber; 8. an inner assembly cylinder; 9. limiting the inner lining; 10. assembling a magnetic ring; 11. a metal filter screen; 12. welding a connecting plate; 13. sealing the connecting belt; 14. a pipeline limiting ring; 15. connecting the base hole; 16. The limiting support rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model relates to a bending resistance flange for pipe connection, including first flange spare 1 and second flange spare 2, the one end fixed mounting of first flange spare 1 has outer protective tube 3, assembly chamber 7 has been seted up at the middle part of 2 one ends of second flange spare, the fixed welded connection board 12 that is equipped with in middle part of assembly chamber 7, welded connection board 12's one end fixed mounting has interior assembly tube 8, the one end slidable mounting of second flange spare 2 has four semicircle spacing pieces 6 that distribute annularly, four semicircle spacing pieces 6 all are connected with the lateral surface contact of outer protective tube 3, positioning bolt 5 is all installed at the middle part of four semicircle spacing pieces 6, the equal assembly connection of one end of four positioning bolt 5 has spacing support rod 16, four have the one end of spacing support rod 16 all with the one end swing joint of first flange spare 1, four connection base holes 15 that distribute annularly are seted up to the one end of second flange spare 2, the inside of four connection base holes 15 respectively with four positioning bolt 5 threaded connection.

During actual installation, the other end of the first flange part 1 and the other end of the second flange part 2 are fixedly provided with pipeline welding protrusions 4, one end of each of the two pipeline welding protrusions 4 is fixedly connected with a group of sealing connecting strips 13, one end of each of the two groups of sealing connecting strips 13 is fixedly provided with a pipeline limiting ring 14, and the gap between the two groups of sealing connecting strips 13 is smaller than 15 mm.

During actual manufacturing, one end of the outer protective cylinder 3 is fixedly provided with an assembling magnetic ring 10, and the assembling magnetic ring 10 is in magnetic assembling connection with the assembling cavity 7.

During actual manufacturing, the outer surface of the inner assembly cylinder 8 is fixedly provided with a limiting lining 9, and the limiting lining 9 is in interference connection with the outer protection cylinder 3.

In actual manufacturing, the metal strainer 11 is fixedly attached to the inside of the inner fitting cylinder 8.

During the installation, weld the both ends that correspond the pipeline respectively through two pipeline welding arch 4, assemble pipeline spacing ring 14 again to pipeline department, welding sealing connecting band 13 to pipeline surface can, with the inside that interior assembly section of thick bamboo 8 corresponds outer protective tube 3, assembly magnetic ring 10 with assemble chamber 7 magnetism be assembled between can, to sum up, the utility model provides a joint strength between first flange spare 1 and the second flange spare 2 has effectively avoided the too big rupture phenomenon that causes of bending of moment, has the effect of convenient equipment simultaneously, need not the bolt and connects, through sealing connecting band 13 and pipeline spacing ring 14, increase first flange spare 1 and second flange spare 2 and pipe connection's connection wholeness, can distribute the pipeline department with the power that bears when the atress, increase the displacement length of power, effectual too big messenger's leakproofness of avoiding the moment of bending to receive the influence.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a bending resistance flange for pipe connection, includes first flange spare (1) and second flange spare (2), its characterized in that, the one end fixed mounting of first flange spare (1) has outer protective barrel (3), assembly chamber (7) have been seted up at the middle part of second flange spare (2) one end, the fixed welded connection board (12) that is equipped with in middle part of assembly chamber (7), the one end fixed mounting of welded connection board (12) has interior assembly barrel (8), the one end slidable mounting of second flange spare (2) has semicircle spacing piece (6) of four annular distributions, four semicircle spacing piece (6) all are connected with the lateral surface contact of outer protective barrel (3), four positioning bolt (5) are all installed at the middle part of semicircle spacing piece (6), four the equal assembly connection of one end of positioning bolt (5) has spacing buttress (16), four the one end of spacing buttresses (16) all with the one end swing joint of first flange spare (1), four the one end of second flange spare (2) is seted up four annular distributions's connection base hole (15), four threaded connection base hole (15) are respectively with four threaded connection (5).

2. The bending moment resisting flange for pipeline connection according to claim 1, wherein pipeline welding protrusions (4) are fixedly mounted at the other end of the first flange piece (1) and the other end of the second flange piece (2), a group of sealing connection strips (13) are fixedly connected to one ends of the two pipeline welding protrusions (4), and pipeline limiting rings (14) are fixedly mounted at one ends of the two groups of sealing connection strips (13).

3. Bending moment-resistant flange for pipe connections according to claim 2, wherein the gap between the strips of said sealing and joining strips (13) is less than 15 mm.

4. The bending moment resistant flange for pipeline connection as claimed in claim 1, wherein an assembly magnetic ring (10) is fixedly installed at one end of the outer protection cylinder (3), and the assembly magnetic ring (10) is magnetically assembled and connected with the assembly cavity (7).

5. Bending moment resisting flange for pipeline connection according to claim 1, wherein a limiting lining (9) is fixedly mounted on the outer surface of the inner assembly cylinder (8), and the limiting lining (9) is in interference connection with the outer protection cylinder (3).

6. Bending moment resisting flange for pipeline connection according to claim 1, wherein the inside of the inner fitting cylinder (8) is fixedly provided with a metal filter screen (11).