Measuring tool for measuring manufacturing precision of ship curved piping system

By designing a measuring tool that includes a crossbeam, a measuring ruler, and a magnetic suction unit, the problem of accurately measuring the distance between the flange end face and the main pipe system in ship piping fabrication was solved, achieving higher measurement accuracy.

CN223869956UActive Publication Date: 2026-02-03HUDONG ZHONGHUA SHIPBUILDINGGROUP +1
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Patent Information

Application Number
CN202520434347.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-03
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

During the fabrication of ship piping systems, existing technologies struggle to accurately measure the distance between the flange end face of curved piping systems and the main piping system, resulting in low measurement accuracy.

Method used

A measuring tool comprising a crossbeam, a measuring ruler, and first and second crossbeam fixing parts was designed. It is fixed to the flange end face by a magnetic suction unit, and the measuring ruler is precisely positioned by using an adjusting screw and slider structure to avoid welding nodes during measurement.

Benefits of technology

This technology enables precise measurement of the distance between the flange end face and the main pipe system, improving measurement accuracy and ensuring the accuracy of the measurement results.

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Abstract

The utility model relates to a measuring tool for measuring the manufacturing precision of a ship curved piping system, which comprises a cross beam attached to a flange end face of the ship curved piping system, a measuring scale arranged perpendicular to the cross beam, and a first cross beam fixing part and a second cross beam fixing part which are used for fixing the cross beam on the flange end face, the first cross beam fixing part and the second cross beam fixing part are arranged close to one end of the cross beam, the measuring scale is arranged close to the other end of the cross beam, the first cross beam fixing part is fixed on the cross beam, and the second cross beam fixing part is movably mounted on the cross beam and can translate and adjust along the length direction of the cross beam; the measuring scale is in sliding fit with the beam. According to the measuring tool, the cross beam is attached and fixed to the flange end face, the position of the measuring ruler relative to the cross beam is directly adjusted so that the measuring ruler can abut against the straight pipe in the vertical direction of the straight pipe where the flange end face is located, precision measurement can be achieved by reading scales of the measuring ruler, welding nodes are avoided during measurement, and the measurement precision is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ship piping system manufacturing, and particularly relates to a measuring tool for measuring the manufacturing precision of a ship curved piping system. BACKGROUND

[0002] In the process of ship piping system manufacturing, when the curved piping system is manufactured, the distance between the flange end face of the curved piping system and the main piping system needs to be checked to determine the manufacturing precision of the curved piping system. In the existing checking process, the total length of the curved piping system between the end faces of the main piping system is generally measured, that is, the branch pipe part and the elbow part of the curved piping system are measured separately and then the total length is calculated. Because the joint between the straight pipe and the elbow is welded, there is welding residue, and it is difficult to determine the welding joint position of the straight pipe part and the elbow during on-site measurement, which makes it difficult to ensure the accuracy of the measurement and calculation result, and thus a more accurate measurement result cannot be obtained. SUMMARY

[0003] To solve the above technical problem, the utility model provides a measuring tool for measuring the manufacturing precision of a ship curved piping system, which directly measures the distance between the flange end face and the main piping system to ensure the accuracy of the measurement and to obtain a more accurate measurement result.

[0004] The technical object of the utility model is achieved through the following technical scheme.

[0005] A measuring tool for measuring the manufacturing precision of a ship curved piping system comprises a crossbeam for fitting the flange end face of the ship curved piping system, a measuring scale arranged perpendicularly to the crossbeam, a first crossbeam fixing part and a second crossbeam fixing part for fixing the crossbeam to the flange end face, the first crossbeam fixing part and the second crossbeam fixing part are arranged near one end of the crossbeam, the measuring scale is arranged near the other end of the crossbeam, the position of the first crossbeam fixing part on the crossbeam is fixed, the second crossbeam fixing part is movably arranged on the crossbeam and can be adjusted in the length direction of the crossbeam; the measuring scale is slidably arranged on the crossbeam.

[0006] Further, a guide groove for adjusting the second crossbeam fixing part is arranged on the crossbeam.

[0007] Further, the first crossbeam fixing part and the second crossbeam fixing part are respectively magnetic attraction units with electromagnets.

[0008] Further, the second crossbeam fixing part comprises a sliding block slidably arranged in the guide groove, and the first crossbeam fixing part and the second crossbeam fixing part respectively extend to the same side of the crossbeam to support the inner wall of the piping system at the flange end face.

[0009] Further, an adjusting screw is arranged in the length direction of the crossbeam and passes through the guide groove, the adjusting screw is threadedly connected with the sliding block, both ends of the adjusting screw are rotatably connected with both ends of the guide groove, and the adjusting screw is rotated to adjust the sliding block to translate along the guide groove.

[0010] Further, the one end of the adjusting screw rod extends out of the end of the beam, and a hand crank is installed at the end of the adjusting screw rod extending out of the beam to rotate the adjusting screw rod.

[0011] Further, the straightness of the beam and the measuring scale is controlled within 0.5 mm respectively.

[0012] Compared with the prior art, the utility model has the beneficial effects that, by the measuring tool, the beam is fixed on the flange end face, the position of the measuring scale relative to the beam is directly adjusted, the measuring scale is pressed against the vertical straight pipe of the straight pipe where the flange end face is located, the scale of the measuring scale is read to realize precision measurement, the welding joint is avoided in measurement, and the measurement precision is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the use schematic view of the measuring tool for ship curved pipe system manufacturing precision measurement in embodiment 1.

[0014] Figure 2 is the structure schematic view of the measuring tool for ship curved pipe system manufacturing precision measurement in embodiment 2.

[0015] Figure 3 is the use schematic view of the measuring tool in embodiment 2.

[0016] In the drawing:

[0017] 1, first straight pipe; 2, elbow; 3, second straight pipe; 4, flange end face; 5, beam; 6, measuring scale; 7, first beam fixing part; 8, second beam fixing part; 9, guide hole; 10, guide groove; 11, sliding block; 12, adjusting screw rod; 13, hand crank. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further described in combination with specific embodiments:

[0019] Embodiment 1

[0020] A kind of measuring tool for ship curved pipe system manufacturing precision measurement, as Figure 1 Shown, including with to adhere to the flange end face 4 of ship curved pipe system Beam 5, perpendicular to the beam 5 and set Measuring scale 6, with to the flange end face Beam fixed first beam fixing part 7 and second beam fixing part 8, first beam fixing part 7 and second beam fixing part 8 are close to the end of beam 5 Setting, measuring scale 6 is close to the other end of beam 5 Setting, the position of first beam fixing part 7 on beam 5 is fixed, and second beam fixing part 8 is movably installed on beam 5 and can be adjusted along the length direction of beam 5.

[0021] Specifically, the measuring ruler 6 is slidably fitted with the crossbeam 5, and the crossbeam 5 is provided with a guide hole for the measuring ruler to pass through. The inner wall of the guide hole 9 is slidably fitted with the surface of the measuring ruler 6.

[0022] The crossbeam 5 is provided with a guide groove 10 for adjusting the translation of the second crossbeam fixing part 8. The first crossbeam fixing part 7 and the second crossbeam fixing part 8 are magnetic attraction units with electromagnets.

[0023] Preferably, the straightness of the crossbeam and the measuring ruler is controlled within 0.5mm.

[0024] In use, the ship's curved piping system includes a first straight pipe 1, a bend 2, and a second straight pipe 3. The flange end face 4 is installed at the end of the second straight pipe 3. The first straight pipe 1 is set at 90° relative to the second straight pipe 3. In use, the first crossbeam fixing part 7 is attached to the edge of the flange end face 4. The crossbeam 5 is adjusted to be parallel to the first straight pipe 1. The position of the second crossbeam fixing part 8 in the guide groove 10 is adjusted so that the second crossbeam fixing part 8 is attached to the edge of the flange end face 4. The position of the measuring ruler 6 relative to the crossbeam 5 is adjusted so that the measuring ruler 6 abuts against the outer wall of the first straight pipe 1 of the curved piping system. The reading on the scale of the measuring ruler is read to achieve accurate measurement.

[0025] Example 2

[0026] A measuring tool used for measuring the accuracy of ship curved piping system fabrication, such as Figure 2 As shown, it includes a crossbeam 5 for fitting the flange end face 4 of the ship's curved piping system, a measuring ruler 6 set perpendicular to the crossbeam 5, and a first crossbeam fixing part 7 and a second crossbeam fixing part 8 for fixing the crossbeam to the flange end face. The first crossbeam fixing part 7 and the second crossbeam fixing part 8 are set at one end near the crossbeam 5, and the measuring ruler 6 is set at the other end near the crossbeam 5. The position of the first crossbeam fixing part 7 on the crossbeam 5 is fixed, and the second crossbeam fixing part 8 is movably installed on the crossbeam 5 and can be adjusted by translation along the length direction of the crossbeam 5.

[0027] Specifically, the measuring ruler 6 is slidably fitted with the crossbeam 5, and the crossbeam 5 is provided with a guide hole for the measuring ruler to pass through. The inner wall of the guide hole 9 is slidably fitted with the surface of the measuring ruler 6.

[0028] Preferably, the straightness of the crossbeam 5 and the measuring ruler 6 is controlled within 0.5mm.

[0029] The second crossbeam fixing part 8 includes a slider 11 that slides in conjunction with the guide groove 10. The first crossbeam fixing part 7 and the second crossbeam fixing part 8 extend to the same side of the crossbeam 5 to support the inner wall of the piping system at the flange end face.

[0030] An adjusting screw 12 is provided along the length of the crossbeam 5, passing through the guide groove 10. The adjusting screw 12 is threadedly engaged with the slider 11. Both ends of the adjusting screw 12 are rotatably connected to the two ends of the guide groove 10, respectively. Rotating the adjusting screw 12 adjusts the slider 11 to move along the guide groove 10. One end of the adjusting screw 12 extends out of the end of the crossbeam 5, and a hand crank 13 for rotating the adjusting screw 12 is also installed at the end of the adjusting screw 12 extending out of the crossbeam 5.

[0031] In use, it is basically the same as the measuring device in Example 1. The main difference lies in how to fit and fix the crossbeam 5 to the flange end face, such as... Figure 3 As shown, in this embodiment, the first crossbeam fixing part 7 and the second crossbeam fixing part 8 are inserted into the inner wall of the second straight pipe 3 where the flange end face 4 is located. The crossbeam 5 is adjusted to be parallel to the first straight pipe 1. The second crossbeam fixing part 8 is then adjusted away from the first crossbeam fixing part 7 by the hand crank 13 until the first crossbeam fixing part 7 and the second crossbeam fixing part 8 respectively abut against the inner wall of the pipe to complete the fixing. The position of the measuring ruler 6 is adjusted so that the measuring ruler 6 abuts against the outer wall of the first straight pipe 1 to achieve manufacturing accuracy measurement.

[0032] This embodiment is merely a further explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art can make non-inventive modifications to this embodiment as needed, but such modifications are protected by patent law as long as they fall within the scope of the claims of the present invention.

Claims

1. A measuring tool for measuring the accuracy of ship curved piping system fabrication, characterized in that, It includes a crossbeam for conforming to the flange end face of a ship's curved piping system, a measuring ruler perpendicular to the crossbeam, and a first and second crossbeam fixing parts for fixing the crossbeam to the flange end face. The first and second crossbeam fixing parts are located near one end of the crossbeam, and the measuring ruler is located near the other end of the crossbeam. The first crossbeam fixing part is fixed in position on the crossbeam, and the second crossbeam fixing part is movably mounted on the crossbeam and can be adjusted by translation along the length of the crossbeam. The measuring ruler is slidably fitted with the crossbeam.

2. The measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 1, characterized in that, The crossbeam is provided with a guide groove for adjusting the translation of the second crossbeam fixing part.

3. The measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 2, characterized in that, The first beam fixing part and the second beam fixing part are magnetic attraction units with electromagnets, respectively.

4. A measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 2, characterized in that, The second crossbeam fixing part includes a slider that slides in conjunction with the guide groove. The first crossbeam fixing part and the second crossbeam fixing part extend to the same side of the crossbeam to support the inner wall of the piping system at the flange end face.

5. A measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 4, characterized in that, An adjusting screw is provided along the length of the crossbeam and passes through the guide groove. The adjusting screw is threadedly engaged with the slider. The two ends of the adjusting screw are rotatably connected to the two ends of the guide groove, respectively. Rotating the adjusting screw adjusts the slider to move along the guide groove.

6. A measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 5, characterized in that, One end of the adjusting screw extends out of the end of the crossbeam, and a hand crank for rotating the adjusting screw is also installed at the end of the adjusting screw extending out of the crossbeam.

7. A measuring tool for measuring the accuracy of ship curved piping system fabrication according to claim 1, characterized in that, The straightness of the crossbeam and the measuring ruler is controlled within 0.5mm.