CN2049301U

CN2049301U - Flanged engineering pipeline

Info

Publication number: CN2049301U
Application number: CN 89211467
Authority: CN
Inventors: 章振; 章笋君
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-02-23
Filing date: 1989-02-23
Publication date: 1989-12-13

Abstract

The utility model discloses a flanged engineering pipeline. A flange and a pipeline body are movably matched. The flange is correspondingly assembled by two identical flange jointed pieces. The axial directional internal wall of the flange and the external walls of the both end parts of the pipeline body are respectively conical surfaces which are close fitted and matched. The flange can be corresponding to the pipeline body to rotate. When bolt holes on the two flanges of contiguous pipe sections are connected by bolts, the flange which rotates can be used for aiming to the bolt holes, which is convenient to connect and fastened. The utility model has the advantages of convenient construction, high work efficiency, and labor saving. The engineering pipeline can be made of metals or chemical materials. The flanged engineering pipeline is suitable for the engineering pipelines of all walks of life.

Description

Flanged engineering pipeline

A kind of flange articulated engineering pipeline.The engineering pipeline that connects with flange is made of pipe body and the flange that is positioned at its two ends.Have some screws on the flange, install by the connection between bolt realization engineering pipeline.Existing flange articulated engineering pipeline is that flange and pipe body are made respectively, leaves screw on the flange in advance, flange is welded on the two ends of pipe body again, and flange and pipe body are linked as an integral body, and the flange relative position at same segment pipe two ends is fixed.When flange is welded to the pipe body two ends, usually be difficult to keep the coaxality of strictness between the corresponding screw on two end flange, when the long-distance pipe installation, because the coaxiality error of corresponding screw effect of accumulation gradually on same segment pipe two end flange, when the adjacent flanges between each segment pipe connects, usually be difficult to aim between the corresponding screw, need coupling repeatedly, rotation or the heavy pipeline of transposing.

The purpose of this utility model is to provide a kind of flange articulated engineering pipeline of new structure, the bad phenomenon that is difficult to construct that causes of corresponding screw coaxality on the adjacent flanges when pipeline connection can be eliminated or reduce to this engineering pipeline.

Solution of the present utility model is that the flange with the engineering pipeline two ends separates with pipe body, and two end flange are movable with pipe body respectively and cooperate, and fastening flange before can rotate around pipe body, also can move axially along pipe body.Have screw on the flange, connect by bolton between the adjacent flanges of two segment pipes, and connect each segment pipe of installation in turn by this.It is assembled relatively that flange is pieced together sheet by two identical flanges.

This flange articulated engineering pipeline, owing to be movable the cooperation between flange and the pipe body, pipeline enclosure connects when installing, if corresponding screw coaxality is bad between the adjacent flanges,, and needn't rotate or change heavy pipeline as long as rotate flange, can aim at screwhole position, use bolton, thereby can eliminate in the fastening flange formula engineering pipeline because the influence of the bad accumulated error that causes of screw coaxality between flange is convenient and strength-saving in the installation.Especially install for long-distance pipe, show that more it is convenient to improve the advantage of construction quality and work efficiency.The utility model can be adapted to the engineering pipeline of all trades and professions.

Fig. 1 is a longitudinal sectional view of the present utility model.Fig. 2 is the front view that flange is pieced together sheet.Fig. 3 is the A-A office sectional view that flange is pieced together sheet.Fig. 4 is the construction diagrams that flange is pieced together sheet.

Below in conjunction with accompanying drawing the utility model is made more specific description.

See Fig. 1 to Fig. 4, the utility model is made of pipe body and the flange 1,3 that is positioned at its two ends.Flange 1,3 installs respectively at the two ends of pipe body 2, is movable the cooperation therebetween; The two ends of pipe body 2 are respectively swings to taper; It is assembled relatively that flange 1,3 is pieced together sheet 4 by two flanges shown in Figure 2 respectively.The axial inwall of piecing together sheet 4 is a conical surface, and the conical surface inclination of 2 liang of end topers of this conical surface inclination and pipe body is identical, so flange 1,3 can be clamped on the two ends of pipe body 2 respectively.Have screw on the flange 1,3, realize that by bolt the connection between flange is fastening, thereby realize the connection of pipeline enclosure.Can add seal ring in the joint of pipeline and pipeline seals.

Flange is pieced together sheet 4 two ends splice region 5,6, shape, the area of splice region 5,6 are identical, its position is pieced together the positive and negative at sheet 4 two ends respectively at flange, and according to axially symmetrical, the thickness of splice region 5,6 is respectively half of piecing together sheet 4 these tagma thickness, two identical flanges are pieced together sheet 4 by after the positive and negative direction amalgamation, and amalgamation thickness is identical with this tagma thickness of assembly sheet.Have at least two screws on the flange assembly sheet 4.

The utility model or its parts can be made of metallic material or chemical materials.As most preferred embodiment of the present utility model, be to make of unsaturated polyester glass fiber reinforced plastic, adopt the method for compression molding, advantage such as have high strength, easy processing, cost is low, equipment is simple.

Claims

1, a kind of flange articulated engineering pipeline is made of pipe body and the flange that is positioned at its two ends, has screw on the flange, it is characterized in that:

1), flange 1,3 installs respectively at the two ends of pipe body 2, is movable the cooperation therebetween;

2), the two ends of pipe body 2 are respectively and swing to taper;

3), that flange 1,3 is pieced together sheets 4 by two flanges respectively is assembled relatively, the axial inwall that flange is pieced together sheet 4 is a conical surface, the conical surface inclination of 2 liang of end topers of this conical surface inclination and pipe body is identical; Flange is pieced together sheet 4 two ends splice region 5,6, and shape, the area of splice region 5,6 are identical, and its position is pieced together the positive and negative at sheet 4 two ends respectively at flange, and according to axially symmetrical, the thickness of splice region 5,6 is respectively half of piecing together sheet 4 these tagma thickness; Piece together on the sheet 4 and have at least two screws.

2,, it is characterized in that it adopts unsaturated polyester glass fiber reinforced plastic to make according to the described flange articulated of claim 1 engineering pipe.