CN201519848U

CN201519848U - Triangular support flange centralizer

Info

Publication number: CN201519848U
Application number: CN2009202166542U
Authority: CN
Inventors: 李相柱; 郭道厚; 王剑勃; 叶喜太
Original assignee: Daqing Oilfield Co Ltd
Current assignee: Daqing Oilfield Co Ltd
Priority date: 2009-09-15
Filing date: 2009-09-15
Publication date: 2010-07-07
Anticipated expiration: 2019-09-15

Abstract

The utility model relates to a triangular support flange centralizer, which belongs to the pipe installation auxiliary tools. The triangular support flange centralizer mainly solves the problems of the flange and pipe welding process, such as complex centralization between the flange and the pipe and poor construction quality. The triangular support flange centralizer is characterized in that a fixing plate (12) is fixed in a central hole of an end plate (2); a front fixing rod (11) is fixed on the fixing plate (12); the front fixing rod (11) is sequentially hinged with a middle rod (9), a middle rod (7) and a rear fixing rod (8); a connection rod (6) is hinged with a hinge bearing (5) shared by the middle rod (9) and the middle rod (7); and a screw rod (1) is respectively matched with the central hole of the fixing plate (12), the front fixing rod (11) and the rear fixing rod (8) through threads. The triangular support flange centralizer can ensure that the flange sealing surface is vertical to the axis line of a pipe during installation of the pipe and the flange, and can ensure the concentricity between two axis lines, thereby ensuring the construction quality. The triangular support flange centralizer has the advantages of simple and convenient operation.

Description

Gusseted flange centering centralizer

Technical field

The utility model relates to a kind of pipeline assist location instrument, particularly a kind of gusseted flange centering centralizer is installed.

Background technology

In pipelayer's journey work progress, often run into the welding of pipeline and flange.Be the glacing flatness that guarantees that process pipe is installed, when welding, must make pipe centerline keep vertical and coaxial inner conductor with flange sealing surface.At present, horizon rule commonly used or steel set-square are checked the perpendicularity of pipe centerline and flange sealing surface, the shortcoming that exists is: at first owing to be subjected to the restriction of W.N flange boss structure, angle square can not be close to pipeline, gapped between angle square and the tube wall, and increase along with the flange nominal diameter, this gap can be increasing, this moment, way by hand checked that the perpendicularity of pipe centerline and flange sealing surface has become very difficult, more can't check the axiality of pipeline and flange axial line, the quality assurance difficulty is big, and operating process is loaded down with trivial details.

The utility model content

For construction reference, the simplification work progress that guarantees that flange connects, the utility model provides a kind of gusseted flange centering centralizer, the vertical requirement that reaches two axial line concentricitys of flange sealing surface when this centralizer can make pipeline install with flange with the pipeline axial line, guarantee construction quality, simple to operation.

The technical solution of the utility model is: a kind of gusseted flange centering centralizer, comprise leading screw and end plate, the interior fixedly fixed head of the centre bore of described end plate, fixing preceding fixed bar on the fixed head, preceding hinged successively two intermediate bars of fixed bar and back fixed bar, articulated linkage on the total hinged-support of two intermediate bars; And leading screw respectively with the centre bore threaded engagement of fixed head, preceding fixed bar and back fixed bar.。

Uniform three spill hinged-supports on the fixed bar of described front and back; Described intermediate bar is a radial equipartition, and quantity is 6.

The beneficial effects of the utility model are: because this gusseted flange centering centralizer has adopted leading screw and gusseted structure, front and back fixed bar, intermediate bar and connecting rod are hinged and constitute the gusseted linkage, the power of rotating threaded shaft passes to connecting rod by fixed bar and intermediate bar, make the inwall of connecting rod extrusion pipe, guarantee centralizer, flange, the concentricity of pipeline and the perpendicularity of flange and pipeline, the centering quality is good, and is simple to operation, and there have to be time saving and energy saving.

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is the structural representation of sequence number 2 end plates in the accompanying drawing 1;

Accompanying drawing 3 is the structural representation of fixed bar before and after the sequence number in the accompanying drawing 1 (8,11);

Accompanying drawing 4 is an example structure schematic diagram of the present utility model.

The preceding fixed bar 12-fixed head 13-flange 14-pipeline 15-elongated hole of fixed bar 9-intermediate bar 10-matrix hinged-support 11-behind the 1-leading screw 2-end plate 3-bolt 4-nut 5-hinged-support 6-connecting rod 7-intermediate bar 8-among the figure

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

To shown in the accompanying drawing 4, this gusseted flange centering centralizer comprises leading screw 1, end plate 2 and the triangular support bracket of fixing with fixed head 12 by accompanying drawing 1.End plate 2 has centre bore, and the part of fixed head 12 is fixed in the centre bore of end plate 2, and the middle part of end plate 2 is circular, and there is the auxilliary plate in the location of symmetry both sides, and the elongated hole 15 that the adjustable bolt position arranged on the auxilliary plate as shown in Figure 2; And bracing frame is by preceding fixed bar 11, spill hinged-support 10, hinged-support 5 and intermediate bar (11,9), connecting rod 6 is formed, wherein preceding fixed bar 11 is fixed on the fixed head 12, preceding fixed bar 11 is by spill hinged-support 10 each hinged intermediate bar 9 of both sides, intermediate bar 9 is articulated in back fixed bar 8 respectively as shown in Figure 1 by the spill hinged-support 10 of back again by hinged-support 5 hinged intermediate bar 7, two intermediate bars 7 again; Front and back fixed bar (11,8) go up three spill hinged-supports 10 of radial equipartition, intermediate bar 9 and intermediate bar 7 are radial equipartition, total quantity is 6 altogether, difference articulated linkage 6 on the total hinged-support 5 of intermediate bar 9 and intermediate bar 7,3 connecting rod 6 shape sizes are identical, and 6

intermediate bars

7 or 9 shape sizes are identical, as shown in Figure 3; And leading screw 1 one ends have and pull cap, the other end pass fixed head 12, preceding fixed bar 11 and back fixed bar 8 centre bore and with its threaded engagement.

In actual the use, as shown in Figure 4, flange 13 leans against on the inner face of end plate 2 and is fixing by bolt, nut (3,4); The bracing frame of fixedlying connected with fixed head 12 puts in the pipeline 14, the termination of pipeline 14 is through in the hole of flange 13, the inwall of pipeline 14 has 3 connecting rods 6 that axially contact with it, rotating threaded shaft 1, back fixed bar 8 moves to the direction of end plate 2 on leading screw 1, make intermediate bar (7,9) produce a extruding force to pipeline 14 inwalls, make the inwall tight connecting of connecting rod 6 with

pipeline

14,13 this moments of triangular support bracket and flange and pipeline 14 keep concentric and the pipeline axial line end face perpendicular to flange 13, and the centering of flange 13 is worked and finished, can carry out spot welding afterwards, after treating that flange 13 spot welding are fixing, with leading screw 1 reverse rotation, fixed bar 8 moves to the direction away from end plate 2, the extruding force that 6 pairs of pipelines of connecting rod 14 produce disappears, the bolt and nut (3,4) of outwarding winding, flange centering centralizer takes out in the pipeline 14 that installs.Because this gusseted flange centering centralizer has adopted leading screw and gusseted structure, front and back fixed bar, intermediate bar and connecting rod are hinged and constitute the gusseted linkage, the power of rotating threaded shaft passes to connecting rod by fixed bar and intermediate bar, make the inwall of connecting rod extrusion pipe, guarantee centralizer, flange, the concentricity of pipeline and the perpendicularity of flange and pipeline, the centering quality is good, and is simple to operation, and there have to be time saving and energy saving.

Claims

1. gusseted flange centering centralizer, comprise leading screw (1) and end plate (2), it is characterized in that: the interior fixedly fixed head (12) of the centre bore of end plate (2), fixed head (12) is gone up fixing preceding fixed bar (11), the preceding hinged successively intermediate bar of fixed bar (11) (9), intermediate bar (7) and back fixed bar (8), intermediate bar (9) is gone up articulated linkage (6) with the total hinged-support (5) of intermediate bar (7); And leading screw (1) respectively with the centre bore threaded engagement of fixed head (12), preceding fixed bar (11) and back fixed bar (8).

2. gusseted flange centering centralizer according to claim 1 is characterized in that: front and back fixed bar (11,8) is gone up uniform three spill hinged-supports (10).

3. gusseted flange centering centralizer according to claim 1, it is characterized in that: intermediate bar (7,9) is a radial equipartition, quantity is 6.