CN217045179U

CN217045179U - Pipeline flange plate welding automatic alignment device for underground pipeline construction

Info

Publication number: CN217045179U
Application number: CN202122212283.4U
Authority: CN
Inventors: 张泉; 马军; 刘文杰; 张玉桂; 曹军; 董继怀; 郝海涛; 张玉萍
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-07-26
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a pipeline flange welding automatic alignment device for underground pipeline construction, which comprises a pipeline, a flange fixed at the bottom of the pipeline through welding, a rotary disc rotationally connected on the outer wall of the pipeline, an alignment disc fixedly connected with the flange and vertically symmetrical with the rotary disc; the flange plate is provided with a plurality of mounting holes, the turntable and the alignment plate are correspondingly provided with positioning holes, two positioning holes which correspond up and down are connected with sleeves through threads, the sleeves are internally connected with positioning rods through threads, and the positioning rods are inserted in the mounting holes; the mounting hole is connected with a positioning barrel sleeved outside the positioning rod through threads, and the positioning barrel is connected with the positioning rod through threads; this device has guaranteed flange plate and pipeline welded straightness that hangs down, has reduced the check degree of difficulty to can solve the easy off-the-spot welding, there is the deviation scheduling problem in the hole site on the mounting hole on the flange plate and the actual alignment dish, easy operation is convenient with low costs, has promoted flange plate welded precision.

Description

Pipeline flange plate welding automatic alignment device for underground pipeline construction

Technical Field

The utility model relates to a pipeline construction field especially relates to a pipeline ring flange welds automatic alignment device for pipeline construction in pit.

Background

At present, the pipeline installation of underground construction, the site pipeline needs the welded flange dish, need guarantee in the time of the welded flange dish that the ring flange just can weld with the pipeline terminal surface is perpendicular as far as possible, avoids welding askew with the ring flange, and uses the angle square to carry out alignment speed slower to the ring flange welding, and to the spiral welded pipe of pipeline surface smoothness use the angle square alignment comparatively inaccurate moreover, lead to the welded efficiency lower, and extravagant constructor's time. In the simple alignment process, it is found that the alignment hole position and the flange plate hole position are not completely corresponding, so that some deviation is easy to occur in the positioning process, and the alignment is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the inconvenient shortcoming of ring flange and pipe welding that exists among the prior art, and the pipeline ring flange welding automatic alignment device is used in pipeline construction in pit who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pipeline flange welding automatic alignment device for underground pipeline construction comprises a pipeline, a flange fixed at the bottom of the pipeline through welding, a rotary table rotationally connected to the outer wall of the pipeline, and an alignment disc fixedly connected with the flange and vertically symmetrical to the rotary table; the flange plate is provided with a plurality of mounting holes, the rotary plate and the alignment plate are correspondingly provided with positioning holes, two vertically corresponding positioning holes are internally connected with sleeves through threads, positioning rods are connected in the sleeves through threads, and the positioning rods are inserted in the mounting holes; the mounting hole is internally connected with a positioning barrel sleeved outside the positioning rod through threads, and the positioning barrel is connected with the positioning rod through threads.

Preferably, a fixing nut abutting against the bottom of the flange plate is sleeved outside the positioning cylinder; and a gasket is connected between the flange plate and the fixing nut.

Preferably, a limiting plate abutted against the sleeve is arranged in the positioning hole.

Preferably, the turntable and the alignment disc are both in a quarter-ring shape.

Preferably, the sleeve is sleeved with a loose and tight nut fixed on the top of the turntable; and the top of the alignment disc is fixedly welded with a positioning nut sleeved outside the sleeve.

Preferably, the top of the positioning rod is provided with a positioning plate which is abutted against the top of the sleeve, and the top of the positioning plate is provided with a convex clamping groove.

The utility model has the advantages that: (1) the automatic alignment device is applied to construction welding of the flange plate and the pipeline, the perpendicularity of the flange plate and the pipeline is guaranteed by the automatic alignment device, the phenomenon that the perpendicularity of the flange plate is checked by using an angle square continuously in the welding process is reduced, meanwhile, the automatic alignment device is added, the labor force of personnel is reduced, the cost is effectively reduced, and the working efficiency is improved; (2) be applied to the easy off position of field weld, there is the solution of deviation scheduling problem in mounting hole on the ring flange and the hole site on the actual alignment dish, simple convenient with low costs, has promoted ring flange welded precision.

Drawings

Fig. 1 is a structural view of the aligning device of the present invention;

fig. 2 is a schematic view of a connection structure of the alignment plate and the flange plate.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numbers in the figures: the device comprises a pipeline 1, a flange plate 2, a mounting hole 21, a turntable 3, a tightness nut 31, an alignment disc 4, a positioning nut 41, a positioning hole 5, a limiting plate 51, a sleeve 6, a positioning rod 7, a positioning plate 71, a clamping groove 711, a positioning barrel 8, a gasket 9 and a fixing nut 91.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments.

Referring to fig. 1-3, the automatic alignment device for welding the flange of the pipeline for underground pipeline construction comprises a pipeline 1, a flange 2 fixed at the bottom of the pipeline 1 by welding, a rotary table 3 rotatably connected to the outer wall of the pipeline 1, and an alignment disc 4 fixedly connected with the flange 2 and vertically symmetrical to the rotary table 3; a plurality of mounting holes 21 are formed in the flange plate 2, positioning holes 5 are correspondingly formed in the rotary plate 3 and the alignment plate 4, sleeves 6 are connected into the two vertically corresponding positioning holes 5 through threads, positioning rods 7 are connected into the sleeves 6 through threads, and the positioning rods 7 are inserted into the mounting holes 21; a positioning barrel 8 sleeved outside the positioning rod 7 is connected in the mounting hole 21 through threads, and the positioning barrel 8 is connected with the positioning rod 7 through threads.

In the embodiment, a fixing nut 9 abutting against the bottom of the flange plate 2 is sleeved outside the positioning cylinder 8; a gasket 91 is connected between the flange 2 and the fixing nut 9.

In the present embodiment, a stopper plate 51 abutting against the sleeve 6 is provided in the positioning hole 5.

In this embodiment, the turntable 3 and the alignment disk 4 are both quarter-ring shaped.

In the embodiment, the sleeve 6 is sleeved with the elastic nut 31 fixed on the top of the turntable 3; the top of the alignment disc 4 is welded and fixed with a positioning nut 41 sleeved outside the sleeve 6.

In this embodiment, the positioning plate 71 abutting against the top of the sleeve 6 is disposed at the top of the positioning rod 7, and a convex-shaped engaging groove 711 is disposed at the top of the positioning plate 71.

It will be right below the utility model discloses the theory of operation of pipeline flange welding automatic alignment device for pipeline construction in the pit carries out simple description:

the automatic alignment device is added on the basis of the angle square, the alignment device takes a rotary disc 3 and an alignment disc 4 with the same diameter (or the diameters are not greatly different) as that of the welded pipeline 1 as a main body structure, then the rotary disc 3 and the alignment disc 4 are connected into a whole through a sleeve 6 (the inner part and the outer part are provided with threads), the rotary disc 3 and the alignment disc 4 are attached to the pipe wall of the pipeline 1, and the rotary disc 3 and the alignment disc 4 can freely rotate on the pipeline 1; only need place ring flange 2 at the mouth of pipe among the welding process, then place automatic alignment device on pipeline 1, let ring flange 2 and alignment dish 4 zonulae occludens, the in-process can use the plumule to hammer flange 2 outward flange gently, guarantee ring flange and alignment device zonulae occludens, then rotatory automatic alignment device, the hole site of rethread locating lever 7 mechanical positioning mounting hole 21, install the most suitable location section of thick bamboo 8 of wall thickness again, install gasket 91 and fixation nut 9, accomplish the alignment fixed, just can the direct weld next.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pipeline flange welding automatic alignment device for underground pipeline construction is characterized by comprising a pipeline (1), a flange (2) fixed at the bottom of the pipeline (1) through welding, a rotary table (3) rotatably connected to the outer wall of the pipeline (1), and an alignment disc (4) fixedly connected with the flange (2) and vertically symmetrical to the rotary table (3); the flange plate (2) is provided with a plurality of mounting holes (21), the rotary plate (3) and the alignment plate (4) are correspondingly provided with positioning holes (5), two vertically corresponding positioning holes (5) are internally connected with sleeves (6) through threads, the sleeves (6) are internally connected with positioning rods (7) through threads, and the positioning rods (7) are inserted in the mounting holes (21); the mounting hole (21) is internally connected with a positioning barrel (8) sleeved outside the positioning rod (7) through threads, and the positioning barrel (8) is connected with the positioning rod (7) through threads.

2. The automatic alignment device for welding the pipeline flange plate for the underground pipeline construction as claimed in claim 1, wherein a fixing nut (9) abutted against the bottom of the flange plate (2) is sleeved outside the positioning cylinder (8); and a gasket (91) is connected between the flange plate (2) and the fixing nut (9).

3. The automatic alignment device for welding the flange of the pipeline for the underground pipeline construction according to claim 1, wherein a limiting plate (51) abutting against the sleeve (6) is arranged in the positioning hole (5).

4. The automatic pipeline flange welding alignment device for the underground pipeline construction according to claim 1, wherein the rotary disc (3) and the alignment disc (4) are both in a quarter-circle shape.

5. The automatic alignment device for welding the flange of the pipeline for the underground pipeline construction according to claim 1, wherein a loose and tight nut (31) fixed on the top of the rotary table (3) is sleeved outside the sleeve (6); and a positioning nut (41) sleeved outside the sleeve (6) is fixedly welded on the top of the alignment disc (4).

6. The automatic alignment device for welding the pipeline flange plate for the underground pipeline construction according to claim 1, wherein a positioning plate (71) abutting against the top of the sleeve (6) is arranged at the top of the positioning rod (7), and a convex clamping groove (711) is arranged at the top of the positioning plate (71).