Flange plate alignment auxiliary device

Abstract

The utility model discloses a flange plate alignment auxiliary device which comprises two oppositely-arranged chuck units, a leveling mechanism is connected between the two chuck units, and one side of each chuck unit is of an arc-shaped structure. A cut flange plate is clamped between the first clamping plate and the second clamping plate and is tensioned through the split bolt, the arc-shaped edges of the semicircular first clamping plate and the semicircular second clamping plate are attached to a pipeline, the two flange plates can be aligned and parallel, and the whole device is simple in structure, flexible and convenient to operate, high in universality, low in manufacturing cost and high in practicability. Meanwhile, labor force is saved, working efficiency is improved, and the problem that butt joint of the flange plates is not correct is effectively solved.

Description

Technical Field

[0001] The utility model belongs to a welding pipeline flange auxiliary device, in particular to a flange leveling auxiliary device. Background Art

[0002] In order to ensure smooth water supply, drainage and air supply in the mine, pipes must be laid in various tunnels. Common pipes are made up of a large number of pipes. Each pipe is often welded together and connected with a flange. When welding flanges for underground drainage pipes, it usually takes two people to complete the task. One person docks and levels, and the other spot welds and fixes. In addition, due to different techniques of personnel, the flanges are often not docked correctly, resulting in secondary rework. Utility Model Content

[0003] The utility model aims to provide a flange leveling auxiliary device, which solves the problem of incorrect flange butt joint when welding flanges for underground drainage pipelines in the prior art.

[0004] The technical solution adopted by the utility model is that the flange leveling auxiliary device comprises two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is arranged as an arc structure.

[0005] The utility model is also characterized in that:

[0006] The chuck unit comprises a first clamping plate and a second clamping plate arranged parallel to each other, the first clamping plate and the second clamping plate are both arranged in a semicircular structure, an adjustment unit is connected between the first clamping plate and the second clamping plate, and the two second clamping plates are arranged opposite to each other and close to each other;

[0007] It also includes a clamping plate, which is arranged in an arc-shaped structure. Both sides of the clamping plate are connected with baffles, and the first clamping plate and the second clamping plate are arranged between the two baffles.

[0008] The adjusting unit comprises a plurality of tension bolts uniformly arranged along the circumference of the first clamping plate and the second clamping plate, and the tension bolts are connected between the first clamping plate and the second clamping plate.

[0009] The plate surfaces of the first clamping plate and the second clamping plate are uniformly provided with a plurality of through holes along the circumference thereof, the number of the through holes being consistent with the number of the tension bolts, and the tension bolts are connected between the opposite through holes of the first clamping plate and the second clamping plate.

[0010] The leveling mechanism comprises a plurality of connecting rods which are arranged in parallel with each other. The connecting rods are connected between the two second clamping plates, and the plurality of connecting rods are evenly arranged along the circumference of the two second clamping plates.

[0011] The plate surface of the second clamping plate is evenly provided with a plurality of screw holes along its circumference, and both ends of the connecting rod are provided with threads, and the connecting rod and the second clamping plate are threadedly connected.

[0012] The beneficial effects of the utility model are:

[0013] The utility model discloses a flange leveling auxiliary device, which clamps the cut flange between the first clamping plate and the second clamping plate, and tightens them by tension bolts. The arc edges of the semicircular first clamping plate and the second clamping plate fit with the pipe, so that the two flanges can be aligned and parallel. The whole device has a simple structure, is easy to operate, has strong versatility, and has a low manufacturing cost. It saves labor, improves work efficiency, and effectively solves the problem of misaligned flange connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a diagram showing the flange leveling auxiliary device of the utility model in use;

[0015] Figure 2 The utility model is a top view of the connection structure of the tension bolts in the flange leveling auxiliary device.

[0016] In the figure, 1. first clamping plate, 2. pipe, 3. tension bolt, 4. baffle, 5. connecting rod, 6. second clamping plate, 7. through hole. DETAILED DESCRIPTION

[0017] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.

[0018] The flange leveling auxiliary device of the utility model is as follows Figure 1 As shown, it includes two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is set to an arc structure. The cut flange is clamped in the chuck unit, and the arc edge of the chuck unit is fitted with the outer wall of the pipeline. When the chuck unit is fitted with the outer wall of the pipeline 2, the two flanges can be guaranteed to be aligned and leveled with each other. The leveling mechanism is held, the device is slightly lifted, and the edge of the flange is exposed, and the welding operation between the pipeline 2 and the flange can be carried out. The chuck unit ensures that the flange is in the correct position during the processing process, so that the flange will not move or shake due to external force during the welding process, thereby ensuring the welding accuracy.

[0019] When performing welding operations, ensure that the surface of pipe 2 and flange is clean, remove impurities such as oil, rust, etc. to ensure a good welding bond. According to the pipeline material and specifications at the actual operation site, select appropriate welding methods and welding parameters, such as electrode type, current size, etc. During the welding process, ensure that the weld is uniform and full, without defects such as pores and slag inclusions. After welding is completed, the weld must be inspected and necessary treatments must be carried out, such as grinding and flaw detection, to ensure that the welding quality meets the requirements.

[0020] Example 1

[0021] The flange leveling auxiliary device comprises two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is arranged as an arc structure.

[0022] The chuck unit comprises a first clamping plate 1 and a second clamping plate 6 which are arranged parallel to each other. The first clamping plate 1 and the second clamping plate 6 are both arranged in a semicircular structure. An adjustment unit is connected between the first clamping plate 1 and the second clamping plate 6. The two second clamping plates 6 are arranged opposite to each other and close to each other.

[0023] It also includes a clamping plate, which is arranged in an arc-shaped structure. Both sides of the clamping plate are connected with baffles 4 , and the first clamping plate 1 and the second clamping plate 6 are arranged between the two baffles 4 .

[0024] In this embodiment, the cut flange is clamped between the first clamping plate 1 and the second clamping plate 6, and the first clamping plate 1 and the second clamping plate 6 are clamped by the baffles 4 on both sides of the clamping plate to stabilize the flange, and the clamping plate is set in an arc shape to match the first clamping plate 1 and the second clamping plate 6. The two baffles 4 are also set in an arc shape, and the two baffles 4 are used to assist the adjustment unit to fix and clamp the first clamping plate 1 and the second clamping plate 6 to ensure the stability and safety of the first clamping plate 1 and the second clamping plate 6 during the operation, and the adjustment unit can adjust the distance between the first clamping plate 1 and the second clamping plate 6 to clamp the flange.

[0025] like Figure 2 As shown, the adjustment unit includes a plurality of tension bolts 3 evenly arranged along the circumference of the first clamping plate 1 and the second clamping plate 6, and the tension bolts 3 are connected between the first clamping plate 1 and the second clamping plate 6. By adjusting the tension bolts 3, the distance between the first clamping plate 1 and the second clamping plate 6 can be adjusted.

[0026] Example 2

[0027] The flange leveling auxiliary device comprises two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is arranged as an arc structure.

[0028] The chuck unit comprises a first clamping plate 1 and a second clamping plate 6 which are arranged parallel to each other. The first clamping plate 1 and the second clamping plate 6 are both arranged in a semicircular structure. An adjustment unit is connected between the first clamping plate 1 and the second clamping plate 6. The two second clamping plates 6 are arranged opposite to each other and close to each other.

[0029] It also includes a clamping plate, which is arranged in an arc-shaped structure. Both sides of the clamping plate are connected with baffles 4 , and the first clamping plate 1 and the second clamping plate 6 are arranged between the two baffles 4 .

[0030] The adjusting unit includes a plurality of tension bolts 3 uniformly arranged along the circumference of the first clamping plate 1 and the second clamping plate 6 , and the tension bolts 3 are connected between the first clamping plate 1 and the second clamping plate 6 .

[0031] The plate surfaces of the first clamping plate 1 and the second clamping plate 6 are uniformly provided with a plurality of through holes 7 along the circumference thereof, and the number of the through holes 7 is consistent with the number of the tension bolts 3, and the tension bolts 3 are connected between the through holes 7 of the first clamping plate 1 and the second clamping plate 6. When the tension bolts 3 are used, the flange is clamped between the first clamping plate 1 and the second clamping plate 6, and the circular holes on the flange surface are adjusted to be opposite to the through holes 7 of the first clamping plate 1 and the second clamping plate 6. At this time, the first clamping plate 1 and the second clamping plate 6 are clamped between the two baffles 4, and then the tension bolts 3 are passed through the through holes 7 on the plate surfaces of the first clamping plate 1 and the second clamping plate 6 and the circular holes on the flange, and then the bolts are adjusted to clamp the flange.

[0032] Example 3

[0033] The flange leveling auxiliary device comprises two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is arranged as an arc structure.

[0034] The chuck unit comprises a first clamping plate 1 and a second clamping plate 6 which are arranged parallel to each other. The first clamping plate 1 and the second clamping plate 6 are both arranged in a semicircular structure. An adjustment unit is connected between the first clamping plate 1 and the second clamping plate 6. The two second clamping plates 6 are arranged opposite to each other and close to each other.

[0035] It also includes a clamping plate, which is arranged in an arc-shaped structure. Both sides of the clamping plate are connected with baffles 4 , and the first clamping plate 1 and the second clamping plate 6 are arranged between the two baffles 4 .

[0036] The adjusting unit includes a plurality of tension bolts 3 uniformly arranged along the circumference of the first clamping plate 1 and the second clamping plate 6 , and the tension bolts 3 are connected between the first clamping plate 1 and the second clamping plate 6 .

[0037] The plate surfaces of the first clamping plate 1 and the second clamping plate 6 are uniformly provided with a plurality of through holes along the circumference thereof, and the number of the through holes is consistent with the number of the tension bolts 3 , and the tension bolts 3 are connected between the opposite through holes of the first clamping plate 1 and the second clamping plate 6 .

[0038] The leveling mechanism includes a plurality of connecting rods 5 arranged parallel to each other, the connecting rods 5 are connected between the two second clamping plates 6, and the plurality of connecting rods 5 are evenly arranged along the circumference of the two second clamping plates 6. The two second clamping plates 6 are parallel to each other, and since the lengths of the plurality of connecting rods 5 are kept consistent, when the first clamping plate 1 and the second clamping plate 6 clamp the flange, and one side of the first clamping plate 1 and the second clamping plate 6 fits the pipe 2, the two flanges can be aligned and parallel.

[0039] The plate surface of the second clamping plate 6 is uniformly provided with a plurality of screw holes along its circumference, and threads are provided at both ends of the connecting rod 5, and the connecting rod 5 is threadedly connected with the second clamping plate 6. The second clamping plate 6 is threadedly connected with the connecting rod 5, which is convenient for disassembly and assembly, and easy to store after disassembly.

[0040] The flange leveling auxiliary device of the utility model is used as follows:

[0041] Clamp the cut flange between the first clamping plate 1 and the second clamping plate 6, adjust the circular holes on the flange surface to be opposite to the through holes of the first clamping plate 1 and the second clamping plate 6, at this time, the first clamping plate 1 and the second clamping plate 6 are clamped between the two baffles 4, and then pass the tension bolts 3 through the through holes on the surfaces of the first clamping plate 1 and the second clamping plate 6 and the circular holes on the flange, and then adjust the bolts to clamp the flange, keep the lengths of multiple connecting rods 5 consistent, hold the connecting rod 5, and fit the arc-shaped side of the first clamping plate 1 and the second clamping plate 6 with the pipe to ensure that the two flanges are aligned and parallel, and then slightly loosen the tension bolts 3, lift the device, and expose the edge of the flange that needs to be welded, and then the welding operation of the pipe 2 and the flange can be carried out.

[0042] The utility model discloses a flange leveling auxiliary device, wherein the first clamping plate and the second clamping plate clamp the flange, and the arc-shaped edges thereof are fitted with the pipeline to ensure that the two flanges are aligned and parallel, the operation is simple and flexible, the utility model has strong versatility, the production cost is low, and the labor is saved, thereby improving the work efficiency.

Claims

1. Flange leveling auxiliary device, characterized in that: It comprises two chuck units arranged opposite to each other, a leveling mechanism is connected between the two chuck units, and one side of the two chuck units is arranged as an arc structure.

2. The flange leveling auxiliary device according to claim 1, characterized in that: The chuck unit comprises a first clamping plate (1) and a second clamping plate (6) which are arranged parallel to each other, the first clamping plate (1) and the second clamping plate (6) are both arranged in a semicircular structure, an adjustment unit is connected between the first clamping plate (1) and the second clamping plate (6), and the two second clamping plates (6) are arranged opposite to each other and close to each other; It also comprises a clamping plate, which is arranged as an arc-shaped structure, and baffles (4) are connected to both sides of the clamping plate, and the first clamping plate (1) and the second clamping plate (6) are arranged between the two baffles (4).

3. The flange leveling auxiliary device according to claim 2, characterized in that: The adjustment unit comprises a plurality of tension bolts (3) uniformly arranged along the circumference of the first clamping plate (1) and the second clamping plate (6); the tension bolts (3) are connected between the first clamping plate (1) and the second clamping plate (6).

4. The flange leveling auxiliary device according to claim 3, characterized in that: The plate surfaces of the first clamping plate (1) and the second clamping plate (6) are uniformly provided with a plurality of through holes (7) along their circumferences, the number of the through holes (7) being consistent with the number of the tension bolts (3), and the tension bolts (3) being connected between the opposite through holes (7) of the first clamping plate (1) and the second clamping plate (6).

5. The flange leveling auxiliary device according to claim 1, characterized in that: The leveling mechanism comprises a plurality of connecting rods (5) arranged in parallel with each other, wherein the connecting rods (5) are connected between two second clamping plates (6), and the plurality of connecting rods (5) are evenly arranged along the circumference of the two second clamping plates (6).

6. The flange leveling auxiliary device according to claim 5, characterized in that: The plate surface of the second clamping plate (6) is evenly provided with a plurality of screw holes along its circumference, and both ends of the connecting rod (5) are provided with threads, and the connecting rod (5) and the second clamping plate (6) are threadedly connected.

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