CN113847490A

CN113847490A - Flange, collude sign indicating number, pipe connection device and tuber pipe system

Info

Publication number: CN113847490A
Application number: CN202111127435.9A
Authority: CN
Inventors: 刘振; 刘俊红; 吴毅昊; 龚丹妮; 蔡志君
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-12-28

Abstract

The invention provides a flange, a hook code, a pipeline connecting device and an air pipe system. The flange has an annular flange disk and a flange. The hook code comprises a hook part, a connecting part and a flat plate part. The pipeline connecting device comprises two flanges, the two flanges are arranged oppositely, the pipeline connecting device further comprises a hook code, the hook code comprises a hook part and a flat plate part, the two flanges are respectively a first flange and a second flange, the hook part is clamped on the turned edge of the first flange, and the flat plate part is abutted against the upper end of the turned edge of the second flange. The air pipe system comprises a plurality of air pipes and a pipeline connecting device, and the two flanges are respectively arranged at the pipe openings of the two oppositely arranged air pipes in a surrounding manner. According to the flange, the hook code, the pipeline connecting device and the air pipe system, the two flanges are connected through the hook code, so that the problem that the two flanges cannot be connected through bolts due to low hole forming precision on the flanges is avoided, the requirement on hole forming precision on the flanges is lowered, and the manufacturing cost of the flanges is lowered.

Description

Flange, collude sign indicating number, pipe connection device and tuber pipe system

Technical Field

The invention relates to a flange, a hook code, a pipeline connecting device and an air pipe system.

Background

The current flange connection mainly adopts a bolt connection mode. And through holes are formed in the corresponding positions of the two flanges, and the two flanges are connected through the matching of bolts and nuts. Although the connection is reliable, the requirement on the position accuracy of the bolt holes is high, and once the bolt holes of the two flanges cannot be completely matched, the bolts are difficult to penetrate through and need to be punched or reamed again. In the manufacturing process of the flange, the situation that the distances of the holes of the flanges manufactured by different manufacturers are inconsistent often occurs, the flanges cannot be connected during final assembly, holes need to be punched again on the site, and if a shipowner with high requirements is met, the flanges even need to be replaced, so that a large amount of working hours and materials are increased on the site.

In addition, in order to guarantee the air tightness of the air pipe, a rubber pad needs to be added between the two flanges. When the flange is connected by using the bolt, the rubber pad is also required to be provided with a corresponding through hole for the bolt to pass through; in the process of screwing the bolt, the rubber pad at the bolt hole is easy to tear, and the air tightness and integrity of the rubber pad are damaged.

Disclosure of Invention

The invention aims to solve the technical problem that in the prior art, the requirement on the accuracy of bolt holes required by flange butt joint is high, and the rubber gasket between flanges is easy to tear due to bolt connection, and provides a flange, a hook code, a pipeline connecting device and an air pipe system.

The invention solves the technical problems through the following technical scheme:

the flange is provided with an annular flange disc and is characterized by further comprising a flange, wherein the flange is vertically fixed on an outer ring of the flange disc.

In this scheme, through the turn-ups that sets up the perpendicular to flange dish in the outer lane of flange dish to two flanges that set up relatively can be colluded sign indicating number fixed connection.

The hook code is characterized by comprising a hook part, a connecting part and a flat plate part, wherein the hook part and the flat plate part are respectively fixed at two ends of the connecting part and extend towards the same side of the connecting part, two ends of the hook part form an opening, and the opening faces towards the flat plate part.

In this scheme, through setting up hook portion and flat plate portion respectively at the both ends of colluding the sign indicating number, and hook portion and flat plate portion towards the same one side of connecting portion, the flange turn-ups of one side is located to hook portion hook, and the flange of opposite side is located to flat plate portion hook, reaches the purpose of connecting the both sides flange.

Preferably, two ends of the flat plate portion are respectively a first end and a second end, the first end is connected to the connecting portion, and the second end forms an acute angle with the connecting portion.

In this scheme, the second end and the connecting portion of dull and stereotyped portion become the acute angle to the dull and stereotyped portion can prevent that the dull and stereotyped portion from deviating from the turn-ups when the turn-ups of flange is located in the hook, makes the connection of colluding sign indicating number and flange more reliable.

Preferably, the hook code further comprises a locking piece, the locking piece is provided with a threaded portion, a threaded hole is formed in the flat plate portion, and the threaded portion is in threaded connection with the threaded hole.

In this scheme, will collude locking between sign indicating number and the flange through setting up the retaining member for collude the sign indicating number stronger to the locking effect of flange, connect between the flange of both sides fastening more, reliable.

Preferably, the locking member is a bolt or a stud.

In this scheme, through adopting standard parts such as bolt or double-screw bolt as retaining member, the purchase is convenient, and the low price has reduced the whole cost of colluding the sign indicating number.

The utility model provides a pipeline connecting device, its characterized in that, it includes two flanges, the flange includes turn-ups and annular flange dish, the turn-ups perpendicular to the outer lane of flange dish, two flanges set up relatively, pipeline connecting device is still including colluding the sign indicating number, collude the sign indicating number and include hook portion and flat plate part, two the flange is first flange and second flange respectively, hook portion chucking in first flange the turn-ups, flat plate part support lean on in the second flange turn-ups upper end.

In this scheme, have turn-ups flange and collude the sign indicating number through setting up relatively and connect two relative pipelines, reduced the requirement to the precision of punching of flange, improved the manufacturing cost of flange.

Preferably, the pipe connecting device further comprises a rubber pad, and the rubber pad is arranged between the two flanges.

In this scheme, through set up the rubber pad between two flanges, can reduce the fluid in the pipeline and reveal when the pipeline connecting device that flows through, reinforcing pipeline connecting device's leakproofness.

Preferably, a plurality of hook codes are arranged at intervals around the two flanges;

and/or the flange disc is a square ring, and each side of the flange disc is provided with a plurality of hook codes arranged at equal intervals;

and/or the flange plate is a square ring, a mounting hole is formed in the corner of the flange plate, and the first flange and the second flange are fixed with the mounting hole through fasteners;

and/or the flange is also provided with a fixed pipe fixed on the inner ring of the flange disc, and the fixed pipe and the flanging are positioned on the same side of the flange disc.

In the scheme, a plurality of hook codes are arranged at intervals around the flanges, so that the connection stability of the two flanges at each position is enhanced; mounting holes are formed in corners of the square annular flanges, and the flanges on two sides are fixedly connected at the corners by fasteners, so that transverse dislocation of the flanges oppositely arranged in the use process of the pipeline connecting system due to vibration and the like is prevented; the inner ring of the flange is provided with the fixed pipe which is positioned on the same side with the flanging, the connection area between the flange and an object to be connected, such as an air pipe, is increased through the fixed pipe, and the connection stability of the pipeline connecting device is enhanced.

The air pipe system comprises a plurality of air pipes and is characterized by further comprising the pipeline connecting device, and the two flanges are respectively arranged at the pipe openings of the air pipes in an enclosing mode, wherein the pipe openings are oppositely formed.

In the scheme, the pipeline connecting device is used for connecting the two oppositely arranged air pipes, so that the requirement on the opening precision of the flange is reduced, and the manufacturing cost of the flange is reduced.

Preferably, a plurality of mounting holes are correspondingly formed in the two flange plates at intervals, and bolts penetrate through the mounting holes to be matched with nuts to be in locking connection with the two flanges.

In the scheme, the flanges on two sides are fixedly connected by the fastening pieces through the mounting holes which are formed in the opposite flange plates, so that the reliability of the connection of the flanges on the two opposite sides is enhanced.

The positive progress effects of the invention are as follows:

according to the flange, the hook code, the pipeline connecting device and the air pipe system, the hook code is used for connecting the two flanges, so that the problem that the two flanges cannot be connected through bolts due to low hole forming precision on the flanges is avoided, the requirement on the hole forming precision on the flanges is lowered, and the manufacturing cost of the flanges is lowered.

Drawings

FIG. 1 is a schematic structural view of an air duct system of the present invention.

FIG. 2 is a schematic structural view of the ductwork system of the present invention.

Fig. 3 is a schematic structural diagram of a check code according to the present invention.

Fig. 4 is a schematic structural view of the flange of the present invention.

Fig. 5 is a schematic structural view of the pipe connecting device of the present invention.

Description of the reference numerals

Hook code 1

Hook part 11

Connecting part 12

Flat plate portion 13

First end 131

Second end 132

Retaining member 14

Opening 15

Flange 2

Flange plate 21

Flanging 22

Air duct 3

Rubber pad 4

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

As shown in fig. 4, the present embodiment provides a flange 2, the flange 2 has a ring-shaped flange 21, the flange 2 further includes a flange 22, and the flange 22 is perpendicularly fixed to the outer ring of the flange 21.

The flange 22 is fixedly connected to the outer ring of the flange 21, and the flange 22 is vertically connected to the flange 21.

As shown in fig. 3, the present embodiment further provides a hook 1, where the hook 1 includes a hook portion 11, a connecting portion 12 and a flat plate portion 13, the hook portion 11 and the flat plate portion 13 are respectively fixed at two ends of the connecting portion 12 and extend to the same side of the connecting portion 12, two ends of the hook portion 11 form an opening 15, and the opening 15 faces the flat plate portion 13.

The flat plate portion 13 is fixedly connected to the bottom of the connecting portion 12, the flat plate portion 13 extends to the right side of the connecting portion 12, the hook portion 11 extends from the upper end of the connecting portion 12 to the upper right and then extends downward, an opening 15 is formed between the hook portion 11 and the connecting portion 12, and the opening 15 and the flat plate portion 13 are located on the same side of the connecting portion 12. In the actual use process, the hook part 11 is clamped on the flange 22 of the flange 2 at one side, the flange 22 is clamped in the bayonet 15, and the flat plate part 13 is clamped on the flange 22 of the flange 2 at the other side, so that the hook part 1 clamps the flanges 2 at two sides mutually.

The two ends of the flat plate portion 13 are a first end 131 and a second end 132, respectively, the first end 131 is connected to the connecting portion 12, and the second end 132 forms an acute angle with the connecting portion 12.

The first end 131 of the flat plate portion 13 is fixedly connected to the connecting portion 12, the second end 132 extends rightward, and when an acute angle is formed between a connection line between the second end 132 and the first end 131 and the connecting portion 12, the flat plate portion 13 can cooperate with the hook portion 11 to clamp the flanges 2 on both sides.

Collude sign indicating number 1 and still include retaining member 14, retaining member 14 has screw thread portion, and the last screw hole that offers of flat plate portion 13, screw thread portion threaded connection are in the screw hole.

The flat plate part 13 is provided with a threaded hole, the locking piece 14 is provided with external threads, and the external threads of the locking piece 14 are matched with the internal threads of the threaded hole, so that the locking piece 14 can be screwed in or out of the flat plate part 13 in a direction perpendicular to the flat plate part 13.

The retaining member 14 is a bolt or stud.

The external thread on the bolt or the stud is matched with the internal thread of the threaded hole on the flat plate, so that the locking piece 14 can be screwed into or out of the flat plate part 13 in the direction vertical to the flat plate part 13 through threaded connection, and when the locking piece 14 is required to abut against the flange plate 21, the locking piece 14 is screwed into the flat plate part until the locking piece 14 abuts against the flange plate 21; when release is desired, retaining member 14 is unscrewed to disengage retaining member 14 from flanged disk 21.

As shown in fig. 5, this embodiment provides a pipeline connecting device, including two flanges 2, flange 2 includes turn-ups 22 and annular flange 21, turn-ups 22 is perpendicular to the outer lane of flange 21, two flanges 2 set up relatively, pipeline connecting device is still including colluding sign indicating number 1, collude sign indicating number 1 including crook portion 11 and flat plate portion 13, two flanges 2 are first flange and second flange respectively, crook portion 11 chucking is in the turn-ups 22 of first flange, flat plate portion 13 supports and leans on in the upper end of the turn-ups 22 of second flange.

Two flanges 2 set up relatively, and the turn-ups 22 of two flanges 2 are located same one side, collude sign indicating number 1's crotch portion 11 chucking in the turn-ups 22 of the flange 2 that is located the upper end, collude the flat plate portion 13 chucking of sign indicating number 1 in the turn-ups 22 of the flange 2 of lower extreme, retaining member 14 passes the screw hole of flat plate portion 13 and supports and lean on flange 21 in the flange 2 of lower extreme, thereby retaining member 14 locks flange 2 of lower extreme, under retaining member 14's locking effect, the degree of freedom of keeping away from relatively between two upper and lower flanges 2 is restricted.

The pipeline connecting device further comprises a rubber pad 4, and the rubber pad 4 is arranged between the two flanges 2.

Rubber pads 4 are arranged between the flanges 2 which are oppositely arranged, the rubber pads 4 and the flanges 2 are both annular, namely, the rubber pads 4 are arranged around the whole circumference of the connected pipeline. Collude sign indicating number 1 and when the relative flange 2 that sets up of chucking, compress tightly rubber pad 4 between flange 2 and the flange 2 mutually to improve the leakproofness between the flange 2.

A plurality of hook codes 1 are arranged at intervals around the two flanges 2;

and/or the flange disc 21 is a square ring, and each side of the flange disc 21 is provided with a plurality of hook codes 1 which are arranged at equal intervals;

and/or the flange disc 21 is a square ring, a mounting hole is formed at the corner of the flange disc 21, and the first flange and the second flange are fixed with the mounting hole through a fastener;

and/or the flange 2 may also have a fixed tube fixed to the inner ring of the flange 21, the fixed tube and the flange 22 being located on the same side of the flange 21.

Set up a plurality of sign indicating number 1 of colluding equally spaced around whole circumference flange 2, make the atress more even between the relative flange 2, connect more stably. Four corners of the square annular flange 21 are provided with mounting holes relatively, and the upper flange 2 and the lower flange 2 are connected through the mounting holes by fasteners, so that the connection stability of the flanges 2 on two sides is improved, and the flanges 2 are prevented from sliding relatively or being away from each other between the two flanges 2. And only set up the mounting hole in the corner of flange 21, compare with ordinary flange and set up the mounting hole at certain distance of whole week interval, only set up the mounting hole in the corner and reduced the quantity of mounting hole, and reduced the requirement to the positioning accuracy of mounting hole to the manufacturing cost of flange 2 has been reduced. The inner ring of the flange 2 is provided with a fixed pipe which is fixedly connected with the flange disc 21 and is vertical to the flange disc 21, and the fixed pipe and the flanging 22 are respectively positioned on the inner ring and the outer ring of the flange disc 21. The fixed pipe is used for being connected with the pipeline interconnect of being connected, compares inner circle and the pipe connection of flange disc 21, and the fixed pipe has increased the area of contact between flange 2 and the pipeline, has strengthened the reliability of being connected between pipe connection system and the pipeline.

As shown in fig. 1 and fig. 2, the present embodiment further provides an air duct system, which includes a plurality of air ducts 3, and the air duct system further includes a duct connecting device, and two flanges 2 are respectively enclosed at the pipe openings of the two air ducts 3 that are oppositely disposed.

The air pipe system comprises air pipes 3 and a pipeline connecting device, flanges 2 of the pipeline connecting device are respectively enclosed at pipe orifices of the two oppositely arranged air pipes 3, and hooks 1 are clamped on the flanges 2 at two sides, so that the air pipes 3 at two sides are locked. Tuber pipe 3 is square pipe, and corresponding flange 2 is square annular, and flange 2 encloses the open end of locating tuber pipe 3.

A plurality of mounting holes are correspondingly arranged on the two flange discs 21 at intervals, and bolts penetrate through the mounting holes to be matched with nuts to be connected with the two flanges 2 in a locking manner.

Mounting holes are formed in the corners of the square annular flange plate 21, and fasteners penetrate through the mounting holes which are formed oppositely and are then fastened and connected to fasten and connect the flange plates 21 which are arranged oppositely. The gasket is arranged between the fastening piece and the flange disc 21, so that the contact area between the fastening piece and the flange disc 21 is increased, the stress area of the flange disc 21 is larger, the stress is more uniform, and the stress concentration between the fastening piece and the flange 2 is reduced.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A flange is provided with an annular flange disc and is characterized by further comprising a flange, wherein the flange is vertically fixed on an outer ring of the flange disc.

2. The hook code is characterized by comprising a hook part, a connecting part and a flat plate part, wherein the hook part and the flat plate part are respectively fixed at two ends of the connecting part and extend towards the same side of the connecting part, two ends of the hook part form an opening, and the opening faces towards the flat plate part.

3. The stop of claim 2, wherein the flat plate portion has a first end and a second end, the first end is connected to the connecting portion, and the second end forms an acute angle with the connecting portion.

4. The stop of claim 2, further comprising a locking member having a threaded portion, wherein the plate portion defines a threaded hole, and the threaded portion is threadedly coupled to the threaded hole.

5. The hitch of claim 4, wherein the retaining member is a bolt or stud.

6. The utility model provides a pipeline connecting device, its characterized in that, it includes two flanges, the flange includes turn-ups and annular flange dish, turn-ups perpendicular to the outer lane of flange dish, two flanges set up relatively, pipeline connecting device is still including colluding the sign indicating number, collude the sign indicating number and include hook portion and flat plate portion, two the flange is first flange and second flange respectively, hook portion chucking in first flange the turn-ups, flat plate portion support lean on in the second flange turn-ups upper end.

7. The pipe coupling according to claim 6, further comprising a rubber gasket disposed between said flanges.

8. The pipe coupling according to claim 6, wherein a plurality of said catches are spaced around the two flanges;

9. An air duct system comprising a plurality of air ducts, wherein said air duct system further comprises a duct connection device according to any one of claims 6-8, and wherein two flanges are respectively provided around the mouths of two oppositely arranged air ducts.

10. The ductwork system according to claim 9, wherein a plurality of mounting holes are formed in each of said flanges at spaced intervals, and bolts are inserted through said mounting holes to engage with said nuts to lockingly connect said flanges.