Internal aligning device for fixing during installation of pipeline and flange

Abstract

The utility model belongs to the technical field of pipeline construction, and particularly relates to an internal aligning device for fixing when a pipeline and a flange are installed, which comprises a first aligning part, a second aligning part and a third aligning part, the second opening aligning part is installed on the first opening aligning part and comprises two second supporting ends used for being supported on the two sides of the top of the inner wall of the pipeline, the two second supporting ends are symmetrically distributed on the two sides of the first supporting end, and the sides, close to the pipe opening, of the second supporting ends extend out of the pipe opening; the first supporting end is a plane, the second supporting end is a plane, the position of the second aligning part on the first aligning part can be adjusted, and the second aligning part is used for adjusting the distance between the first supporting end and the second supporting end so as to be suitable for pipelines with different inner diameters. The internal aligning device is mainly suitable for pipeline and flange installation during pipeline installation and construction, and is suitable for being used during prefabrication and installation of various process pipelines and other pipelines.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline construction technical field, specifically, the utility model relates to a kind of internal aligning device for fixing when pipeline and flange installation. BACKGROUND

[0002] Petroleum and chemical industry is with petroleum, natural gas, coal and other raw materials production to meet the needs of people's production and living of various products, is one of our important pillar industries. Petroleum and chemical industry is related to the lifeline of national economy, as big as industry, agriculture, transportation, national defense, as small as everyone's clothing, food, shelter, use, cannot leave petroleum and chemical industry. Petroleum and chemical industry chain is long, involves widely, product is numerous, and upstream and downstream is very closely related. According to the classification of CITIC Securities industry, we will divide the entire petroleum and chemical industry chain into 9 sub-industries, including oil exploitation, petrochemical industry, coal chemical industry, agricultural chemical industry, chemical fiber, chemical raw material, plastic and product, rubber and product, other chemical products. Among them, petrochemical industry is in the middle of the entire industry chain, and is very closely related to upstream and downstream.

[0003] The development of petroleum and chemical industry cannot leave various kinds of process pipe network, so the process pipe network system is more and more complex, and the quality of pipeline and flange installation becomes the most important, in order to guarantee the operation quality, the quality of pipeline and flange installation must meet the requirements to meet the operation quality, under the traditional construction condition, pipeline and flange aligning uses direct aligning, sliding is easy to produce in the installation process, which affects the installation precision and installation quality and further affects the system operation quality, therefore, if there is a tool for pipeline and flange prefabrication, the problem can be solved. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides an internal aligning device for fixing when pipeline and flange installation, to solve or at least alleviate the problem that pipeline and flange aligning is easy to produce sliding under the traditional construction condition in the prior art, which affects the installation precision and installation quality and further affects the system operation quality.

[0005] In order to realize the foregoing object, the utility model provides an internal aligning device for fixing when pipeline and flange installation, comprising:

[0006] The first aligning part has a first support end supported on the inner wall bottom of the pipeline;

[0007] The second aligning part is installed on the first aligning part, and the second aligning part comprises two second support ends for supporting on the top of the inner wall of the pipeline, the two second support ends are symmetrically distributed on the two sides of the first support end, and the side of the second support end close to the pipe opening extends out of the pipe opening;

[0008] The second support end is a plane, and the second aligning part is arranged to be adjustable in position on the first aligning part, for adjusting the distance between the first support end and the second support end, to be suitable for pipes with different inner diameters.

[0009] In the inner aligner for fixing pipes and flanges during installation as described above, optionally, the first aligning part is a screw rod, the first support end is the bottom end of the screw rod, and the second aligning part is threadedly matched with the first aligning part.

[0010] In the inner aligner for fixing pipes and flanges during installation as described above, optionally, a nut is arranged on the second aligning part, and the nut is threadedly matched with the first aligning part.

[0011] In the inner aligner for fixing pipes and flanges during installation as described above, optionally, the second aligning part is in the form of a V-shaped plate structure.

[0012] In the inner aligner for fixing pipes and flanges during installation as described above, optionally, a handle is vertically fixed on the first aligning part, and the handle is located between the two ends of the first aligning part.

[0013] In the inner aligner for fixing pipes and flanges during installation as described above, optionally, the handle is parallel to the first support end.

[0014] Compared with the prior art, the inner aligner for fixing pipes and flanges during installation has the characteristics of low manufacturing cost, convenient installation and use, strong applicability, etc. BRIEF DESCRIPTION OF DRAWINGS

[0015] The disclosure of the present application will be more apparent with reference to the drawings. It should be understood that the drawings are only for the purpose of illustration, and are not intended to limit the scope of protection of the present application. In the drawings:

[0016] Figure 1 The drawings are structural schematic diagrams of the present application.

[0017] Reference signs: 1 - second aligning part, 2 - handle, 3 - first aligning part, 4 - nut. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] As Figure 1 The utility model provides an inner aligning device for fixing when pipeline and flange are installed, which comprises:

[0020] The first aligning part 3 has a first support end supported on the inner wall bottom of the pipeline;

[0021] The second aligning part 1 is installed on the first aligning part 3, and the second aligning part 1 comprises two second support ends for being supported on the top of the inner wall of the pipeline, the two second support ends are symmetrically distributed on the two sides of the first support end, and the side of the second support end close to the pipe opening extends out of the pipe opening;

[0022] The second support end is a plane, and the second aligning part 1 is arranged to be adjustable in position on the first aligning part 3, for adjusting the distance between the first support end and the second support end, so as to be applicable to pipelines with different inner diameters.

[0023] In the embodiment, after the inner aligning device is placed in the pipeline, the three-point support formed by the first support end and the two second support ends enables the inner aligning device to be stably supported in the pipeline, and meanwhile, the part of the second support end extending out of the pipe opening is used for placing the flange or the pipe fitting, and when the flange or the pipe fitting is placed on the end of the second support end extending out of the pipe opening, the centering and alignment can be realized.

[0024] In use, the inner aligning device is first placed inside the pipeline to be aligned, then the flange or the pipe fitting to be connected with the pipeline is placed on the inner aligning device, and finally the pipeline and the flange or the pipe fitting are fixed by adjusting the inner aligning device, and the pre-production operation is started.

[0025] In the embodiment, the first aligning part 3 is a lead screw, the first support end is the bottom end of the lead screw, and the second aligning part 1 is threadedly matched with the first aligning part 3. Specifically, after the inner aligning device is placed in the pipe opening, the second aligning part 1 is displaced towards the pipe wall by rotating the first aligning part 3, so that the first support end and the two second support ends are all supported on the inner wall surface of the pipe opening, and the inner aligning device is stably supported in the pipe opening. The second aligning part 1 is provided with a nut 4, and the nut 4 is threadedly matched with the first aligning part 3.

[0026] The second mouth portion 1 is a plate structure in the shape of "V". Specifically, the second mouth portion 1 is an angle steel. The corner of the angle steel is provided with a through hole for the first mouth portion 3 to pass through, and the nut 4 is fixedly installed at the inner corner of the second mouth portion 1. At this time, the two ends of the second mouth portion 1 are two second support ends.

[0027] In the embodiment, the handle 2 is vertically fixed on the first mouth portion 3 and located between the two ends of the first mouth portion 3. The handle 2 is arranged to facilitate manual operation and facilitate rotation of the first mouth portion 3. The handle 2 can be arranged parallel to the first support end. When the handle 2 is operated to rotate the first mouth portion 3, the rotation force applied by the hand is more balanced and stable, thereby improving the stability of the inner mouth device when being operated.

[0028] The manufacturing method of the inner mouth device of the embodiment is as follows:

[0029] (1) According to the needs, the middle part of an angle iron is punched to form the second mouth portion 1;

[0030] (2) Then the nut 4 is welded with the inner corner of the second mouth portion 1 by welding;

[0031] (3) Then a bolt with a head is welded with another bolt to form the first mouth portion 3 with the handle 2;

[0032] (4) Finally, the nut 4 is connected with the bolt to complete the manufacturing.

[0033] In the pipeline construction, the inner mouth device of the embodiment has the characteristics of improving the construction efficiency of pipeline and flange installation and ensuring the accuracy of pipeline installation, thereby ensuring the quality of equipment operation. Compared with the traditional mouth device, the inner mouth device can avoid difficult alignment and damage to the flange and pipe during installation, thereby affecting the installation quality and the operation quality. The inner mouth device plays a great role in ensuring the production quality and improving the production efficiency.

[0034] The technical scope of the utility model is not limited to the above description, and those skilled in the art can make various modifications and changes to the above embodiments without departing from the technical idea of the utility model, and these modifications and changes should be within the scope of the utility model.

Claims

1. An internal alignment tool for fixing pipes and flanges during installation, characterized in that, The utility model relates to a pipe jointing device, comprising: a first jointing part having a first supporting end supported on the bottom of the inner wall of a pipe; a second jointing part mounted on the first jointing part, the second jointing part comprising two second supporting ends for supporting on the top of the inner wall of the pipe, the two second supporting ends being symmetrically distributed on both sides of the first supporting end, and the second supporting end on the side close to the pipe opening extending out of the pipe opening; the second supporting end being a flat surface, the second jointing part being arranged on the first jointing part in a position adjustable for adjusting the distance between the first supporting end and the second supporting end to be suitable for pipes of different inner diameters.

2. An inside beveler for use in pipe and flange alignment and fixation during installation as defined in claim 1, wherein, the first jointing part being a screw rod, the first supporting end being the bottom end of the screw rod, and the second jointing part being threadedly engaged with the first jointing part.

3. An inside straightening device for use in fixing a pipe and a flange during installation, as set forth in claim 2, wherein the second jointing part being provided with a nut threadedly engaged with the first jointing part.

4. An inside beveler as defined in claim 1 wherein, the second jointing part being in the form of a "V"-shaped plate structure.

5. An inside straightening device for use in fixing a pipe and a flange during installation, as set forth in claim 1, wherein a handle being vertically fixed on the first jointing part and located between the two ends of the first jointing part.

6. An inside straightening device for use in fixing pipes and flanges during installation, according to claim 5, characterized in that, the handle being parallel to the first supporting end.

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