CN219319296U - Detection device for bilateral intersecting opening of large-diameter pipe - Google Patents

Detection device for bilateral intersecting opening of large-diameter pipe Download PDF

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Publication number
CN219319296U
CN219319296U CN202320135731.1U CN202320135731U CN219319296U CN 219319296 U CN219319296 U CN 219319296U CN 202320135731 U CN202320135731 U CN 202320135731U CN 219319296 U CN219319296 U CN 219319296U
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pipe
positioning column
intersecting
scale
bilateral
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CN202320135731.1U
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陈尔钰
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Fujian Mawei Shipbuilding Co Ltd
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Fujian Mawei Shipbuilding Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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Abstract

The utility model discloses a detection device for a bilateral intersecting opening of a large-diameter pipe, which belongs to the technical field of pipe intersecting opening detection devices and comprises a reference fixing piece, a level bar and an error scale piece; the reference fixing piece comprises a positioning column; the error scale piece comprises a graduated scale; during measurement, any one end of the level bar is sleeved with the reference fixing piece through the positioning column, and the graduated scale is abutted against the outer surface of the level bar in the length direction; after one end of the level bar is fixed with the reference fixing piece, the level bar is adjusted to be in a horizontal state, the numerical value can be read out on the error scale, after the operation is sequentially carried out on the two ends of the pipe, the processed intersecting line can be determined to meet the design requirement when the two times of value results are similar; the problem that whether the intersecting opening meets the design requirement can not be determined after intersecting lines are processed at two ends of the existing pipe is effectively solved.

Description

Detection device for bilateral intersecting opening of large-diameter pipe
Technical Field
The utility model belongs to the technical field of pipe intersecting opening detection devices, and particularly relates to a detection device for a bilateral intersecting opening of a large-pipe-diameter pipe.
Background
In order to ensure stability, the structure of the high platform is provided with a plurality of pipes which are connected in a staggered way and have mutually perpendicular axes between supporting legs of the high platform, and in order to facilitate welding work of the joints of the pipes, intersecting openings which meet the connection requirements are usually cut at the ends of the pipes according to the sizes of the pipes.
Before cutting work of the intersecting opening is carried out, staff can determine four equal dividing points of the pipe on the circumferential surface of the pipe, and cutting points are required to be arranged on certain equal dividing points when a cutting program is designed, so that the cutting equipment can cut intersecting lines meeting design requirements.
However, the machining errors cannot be completely avoided, and the pipe is usually machined in a relatively general construction site in a machining environment, so that the machining errors are amplified due to the production place or equipment, the problem of inconvenient subsequent pipe welding is caused, and the corresponding machining errors are more obvious along with the increase of the pipe diameter of the pipe. Therefore, a detection device capable of conveniently detecting the precision of the intersecting opening of the processed large-diameter pipe is needed to be designed.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problems to be solved by the utility model are as follows: how to provide a detection device which can be convenient for detecting the precision of the intersecting opening of the processed large-diameter pipe.
In order to solve the technical problems, the utility model adopts the following technical scheme: the device for detecting the bilateral intersecting opening of the large-diameter pipe comprises a reference fixing piece, a level bar and an error scale piece; the reference fixing piece comprises a positioning column; the error scale comprises a graduated scale; during measurement, any one end of the level bar is sleeved with the reference fixing piece through the positioning column, and the graduated scale is in contact with the outer surface of the level bar in the length direction.
Wherein, the reference fixing piece also comprises a first strong magnet connected with the positioning column; the axis of the positioning column is perpendicular to the axis of the first strong magnet.
Wherein the error scale piece further comprises a second strong magnet connected with the graduated scale; the axis of the graduated scale is perpendicular to the axis of the second strong magnet.
Wherein, any end of the level bar is provided with a sleeve with an axis parallel to the width direction of the level bar; during detection, the sleeve and the positioning column are mutually sleeved.
Wherein the shaft diameter of the positioning column is 8-10 mm; the inner diameter of the sleeve is 10 mm-12 mm.
Wherein the sleeve is made of non-magnetic conductive material.
The utility model has the beneficial effects that: the detection device for the bilateral intersecting opening of the large-diameter pipe provided by the utility model has the advantages that the structure is simple, the use is convenient, the reference fixing piece and the error scale piece are fixed on two 'quarter points' opposite to any end of the pipe during detection, the level sleeved with the base fixing piece is adjusted to be in a horizontal state, the degree on the error scale piece is read out, the other end of the detected pipe is similarly read out again according to the steps, and the machining precision of the intersecting opening at the two ends of the pipe meets the requirements if the numerical values of the two degrees are close.
Drawings
FIG. 1 is a schematic diagram of the detection device for a bilateral intersecting opening of a large-diameter pipe according to an embodiment of the present utility model;
FIG. 2 is a front view of a datum fixture in accordance with one embodiment of the present utility model;
FIG. 3 is a top view of a datum fixture in accordance with one embodiment of the present utility model;
FIG. 4 is a front view of a level bar according to an embodiment of the present utility model;
FIG. 5 is a top view of a level bar according to an embodiment of the present utility model;
FIG. 6 shows an enlarged view at A of FIG. 5;
FIG. 7 is a front view of an error scale of an embodiment of the present utility model;
FIG. 8 is a top view of an error scale according to an embodiment of the present utility model;
description of the reference numerals:
1. a reference fixture; 11. positioning columns; 12. a first ferromagnetic body;
2. a level bar; 21. a sleeve;
3. an error scale member; 31. a graduated scale; 32. a second ferromagnetic body;
4. and (5) a pipe.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the utility model is as follows: after one end of the level bar is fixed with the reference fixing piece, the level bar is adjusted to be in a horizontal state, numerical values can be read out on the error scale, the operation is sequentially carried out at the two ends of the pipe, and when the results of the two times of numerical values are similar, the processed intersecting line can be determined to meet the design requirement.
Referring to fig. 1 to 8, the device for detecting a bilateral intersecting opening of a large-diameter pipe provided by the utility model comprises a reference fixing piece 1, a level bar 2 and an error scale piece 3; the reference fixture 1 comprises a positioning column 11; the error scale member includes a scale 31; during measurement, any one end of the level 2 is sleeved with the reference fixing piece 1 through the positioning column 11, and the graduated scale is in contact with the outer surface of the level 2 in the length direction.
From the above description, the beneficial effects of the utility model are as follows: the detecting device for the bilateral intersecting opening of the large-pipe-diameter pipe is provided, one end of the level bar 2 is fixed with the positioning column 11 of the reference fixing piece 1 in a sleeving and hinging mode or in any mode capable of enabling the level bar and the reference fixing piece to rotate around the same axis, then the level bar 2 is adjusted to be in a horizontal state, numerical values can be read out on an error scale piece, the numerical values are sequentially read out at the two ends of the pipe 4, and after the two numerical results are in the vicinity, the processed intersecting line can be determined to meet the design requirement; the device has compact structure and convenient operation, and can correct the pipe 4 with lower processing precision in time after intersecting lines are processed at the two ends of the pipe 4.
Further, the reference fixture 1 further comprises a first ferromagnetic body 12 connected to the positioning post 11; the axis of the positioning column 11 is perpendicular to the axis of the first strong magnet 12.
Further, the error scale 3 further comprises a second ferromagnetic body 32 connected to the scale 31; the axis of the scale 31 and the axis of the second ferromagnetic body 32 are perpendicular to each other.
Further, the lengths of the first strong magnet 12 and the second strong magnet 32 are 80 mm-100 mm; the width of the first strong magnet 12 and the second strong magnet 32 is 25 mm-35 mm; the heights of the first ferromagnetic body 12 and the second ferromagnetic body 32 are 20mm to 30mm. Preferably, the first ferromagnetic body 12 and the second ferromagnetic body 32 are each 80mm in length; the width of the first ferromagnetic body 12 and the second ferromagnetic body 32 is 25mm; the height of the first ferromagnetic body 12 and the second ferromagnetic body 32 is 20mm.
As is apparent from the above description, the pipe 4 used for reinforcing the high stage is a steel pipe, so that the first ferromagnetic body 12 and the second ferromagnetic body 32 are respectively disposed on the reference fixing member 1 and the error scale member 3, so that the reference fixing member 1 and the error scale member 3 can be stably fixed to the pipe 4, the axis of the positioning column 11 is disposed perpendicular to the axis of the first ferromagnetic body 12, and the axis of the graduated scale 31 is disposed perpendicular to the axis of the second ferromagnetic body 32, so that the axes of the two ferromagnetic bodies are parallel to the axis of the pipe 4, that is, the axis of the positioning column 11 is perpendicular to the axis of the graduated scale 31 and the axis of the pipe 4 can be ensured, and further, the detection accuracy of the detection device is ensured.
Further, the level 2 is provided at either end with a sleeve 21 having an axis parallel to the width direction of the level 2; during detection, the sleeve 21 and the positioning column 11 are mutually sleeved.
Further, the shaft diameter of the positioning column 11 is 8 mm-10 mm; the inner diameter of the sleeve 21 is 10mm to 12mm. Preferably, the axial diameter of the positioning column 11 is 8mm; the inner diameter of the sleeve 21 is 10mm.
Further, the length of the positioning column 11 is 50mm to 60mm. Preferably, the length of the positioning post 11 is 50mm.
Further, the sleeve 21 is of a non-magnetically permeable material.
From the above description, it can be seen that the inner diameter of the sleeve 21 is ensured to be slightly larger than the shaft diameter of the positioning column 11, so that the level 2 can be conveniently sleeved on the reference fixing member 1, the detection device can be conveniently detached, the occupied space of the device can be reduced after the detection is finished, the sleeve 21 is made of a non-magnetic conductive material, and the adjustment work of the level 2, which is influenced by the overlarge attraction of the first strong magnet 12 to the sleeve 21, can be avoided, and the final reading accuracy can be further influenced.
The detection device for the bilateral intersecting opening of the large-diameter pipe can assist in the precision detection work of the intersecting opening of the pipe.
The first embodiment of the utility model is as follows:
referring to fig. 1, 4 to 6, a device for detecting a bilateral intersecting opening of a large-diameter pipe comprises a reference fixing piece 1, a level bar 2 and an error scale piece 3; the reference fixture 1 comprises a positioning column 11; the error scale member includes a scale 31; during measurement, any one end of the level 2 is sleeved with the reference fixing piece 1 through the positioning column 11, and the graduated scale is abutted against the outer surface of the level 2 in the length direction; the horizontal ruler 2 is provided with a sleeve 21 with an axis parallel to the width direction of the horizontal ruler 2 at any end; during detection, the sleeve 21 is sleeved with the positioning column 11; sleeve 21 is copper, aluminum or any other commercially available non-magnetically permeable material; the shaft diameter of the positioning column 11 is 8mm; the length of the positioning column 11 is 50mm; the inner diameter of the sleeve 21 is 10mm.
Referring to fig. 2 to 3, the reference fixture 1 further includes a first ferromagnetic body 12 connected to the positioning post 11; the axis of the positioning column 11 is perpendicular to the axis of the first strong magnet 12.
Referring to fig. 7 to 8, the error scale 3 further comprises a second ferromagnetic body 32 connected to the scale 31; the axis of the scale 31 and the axis of the second ferromagnetic body 32 are perpendicular to each other.
The length of the first ferromagnetic body 12 and the second ferromagnetic body 32 is 80mm; the width of the first ferromagnetic body 12 and the second ferromagnetic body 32 is 25mm; the height of the first ferromagnetic body 12 and the second ferromagnetic body 32 is 20mm.
The working principle of the utility model is as follows: before detection, the pipe 4 is horizontally placed on the roller frame, and the pipe 4 is rotated by taking the axis of the pipe 4 as a rotating shaft until two opposite quarter points on the end surface of the pipe 4 are approximately positioned in the same horizontal plane, so that the preparation work of detection can be completed.
During detection, the reference fixing piece 1 is firstly adsorbed at the end face of the pipe 4 through the first strong magnet 12 and is positioned at any one of two 'quarter points' in the same horizontal plane, then the error scale 3 is adsorbed at the other 'quarter point' corresponding to the end face of the pipe 4 through the second strong magnet 32, and the zero scale line of the graduated scale 31 is ensured to be aligned with the 'quarter point' (in order to facilitate detection, the height from the 'quarter point' corresponding to the reference fixing piece 1 to the ground is required to be larger than the height from the 'quarter point' corresponding to the error scale 3 to the ground in general); then sleeve 21 on level 2 is sleeved on positioning column 11, and level 2 is adjusted until level 2 is in a horizontal state, at this time, a certain distance is reserved between one end of level 2, which is close to second strong magnet 32, and zero scale line of scale 31, namely, the value corresponding to the distance is recorded as a first reference value; similarly, the datum fixed part 1, the level bar 2 and the error scale part 3 are taken down under the condition that the pipe 4 is ensured not to move, the detection steps are repeated at the other end of the pipe 4, and the numerical value is recorded as a second reference value; finally, comparing the first reference value with the second reference value, if the errors of the first reference value and the second reference value are in a standard range, the intersecting opening of the pipe 4 processed meets the design requirement, otherwise, correction is needed, and all the detection steps are carried out again after correction until the intersecting opening of the pipe 4 meets the design requirement, so that the whole set of detection work is completed.
In summary, the detection device for the bilateral intersecting opening of the large-diameter pipe provided by the utility model has the advantages of simple overall structure and convenience in operation; after one end of the level bar is fixed with the reference fixing piece, the level bar is adjusted to be in a horizontal state, the numerical value can be read out on the error scale piece, after the operation is sequentially carried out on the two ends of the pipe, the processed intersecting line can be determined to meet the design requirement when the two times of value results are similar; the defect that whether the intersecting opening meets the design requirement or not can not be determined after intersecting lines are processed at two ends of the existing pipe is overcome.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (6)

1. The device for detecting the bilateral intersecting opening of the large-pipe-diameter pipe is characterized by comprising a reference fixing piece, a level bar and an error scale piece; the reference fixing piece comprises a positioning column; the error scale piece comprises a graduated scale; during measurement, any one end of the level bar is sleeved with the reference fixing piece through the positioning column, and the graduated scale is in contact with the outer surface of the level bar in the length direction.
2. The device for detecting the bilateral intersecting opening of the large-diameter pipe according to claim 1, wherein the reference fixing piece further comprises a first strong magnet connected with the positioning column; the axis of the positioning column is perpendicular to the axis of the first strong magnet.
3. The device for detecting the bilateral intersecting opening of the large-diameter pipe according to claim 1, wherein the error scale piece further comprises a second strong magnet connected with the graduated scale; the axis of the graduated scale is perpendicular to the axis of the second strong magnet.
4. The detection device for the bilateral intersecting opening of the large-diameter pipe according to claim 1, wherein any end of the level is provided with a sleeve with an axis parallel to the width direction of the level; during detection, the sleeve and the positioning column are mutually sleeved.
5. The detection device for the bilateral intersecting opening of the large-diameter pipe according to claim 4, wherein the shaft diameter of the positioning column is 8-10 mm; the inner diameter of the sleeve is 10 mm-12 mm.
6. The device for detecting the bilateral intersecting opening of the large-diameter pipe according to claim 4, wherein the sleeve is made of non-magnetic permeability material.
CN202320135731.1U 2023-01-17 2023-01-17 Detection device for bilateral intersecting opening of large-diameter pipe Active CN219319296U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320135731.1U CN219319296U (en) 2023-01-17 2023-01-17 Detection device for bilateral intersecting opening of large-diameter pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320135731.1U CN219319296U (en) 2023-01-17 2023-01-17 Detection device for bilateral intersecting opening of large-diameter pipe

Publications (1)

Publication Number Publication Date
CN219319296U true CN219319296U (en) 2023-07-07

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ID=87020642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320135731.1U Active CN219319296U (en) 2023-01-17 2023-01-17 Detection device for bilateral intersecting opening of large-diameter pipe

Country Status (1)

Country Link
CN (1) CN219319296U (en)

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