A shrimp waist bending pipe angle measuring device and method

The shrimp-shaped pipe bend angle measuring device uses a laser beam aligned with the pipe end face to measure the included angle, solving the problem of large measurement deviation in existing technologies. This enables precise angle measurement and cutting, ensuring the quality of pipe joint connections.

CN114719785BActive Publication Date: 2025-12-12SHANDONG DONGHONG PIPE IND
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Patent Information

Application Number
CN202210389266.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-04-14
Publication Date
2025-12-12
Estimated Expiration
2042-04-14

AI Technical Summary

Technical Problem

In existing technologies, there are large measurement deviations when measuring the included angle of steel shrimp-shaped bend pipes, resulting in low processing accuracy and an inability to guarantee the quality of pipe joint connections.

Method used

A device for measuring the angle of a curved pipe is used, comprising a platform, an intermediate shaft, a rotating sleeve, and a laser emitter. The included angle is measured by aligning the laser beam with the end face of the pipe. Combined with an adjustment mechanism and an angle dial, precise angle measurement and cutting are achieved.

Benefits of technology

It improves the accuracy of measuring the angle of the shrimp-shaped bend pipe, ensures the smooth connection of the pipe joint, and provides a precise cutting trajectory, reducing the labor intensity of the staff.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present application relates to a kind of shrimp waist bent pipe angle measuring device and method, including platform and intermediate shaft, the bottom end of intermediate shaft is rotatably connected with platform, rotating sleeve is sleeved on intermediate shaft, rotating sleeve is slidably connected with intermediate shaft to enable rotating sleeve to rotate around intermediate shaft axis and move along the direction of intermediate shaft axis, rotating sleeve is provided with laser generator, the laser emission port axis of laser emitter is perpendicular to the axis of intermediate shaft, using the angle measuring device of the present application, measurement result is accurate.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical fields of pipe product processing and finished product detection, in particular to a shrimp waist elbow pipe angle measuring device and method. BACKGROUND

[0002] The statements herein merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] At present, the inventors find that the included angle of the steel shrimp waist elbow pipe is generally measured by using a protractor or a line, and the turning angle of the elbow pipe is roughly measured. The measurement deviation is large, and in the actual use process, due to the large measurement deviation, the size and angle accuracy of the processed pipe product is very low, which cannot guarantee the quality requirement of the elbow pipe, so that the deviation between the two connected pipe openings is very large when the pipe openings are connected, which brings great difficulty to the engineering. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the prior art, and provide a shrimp waist elbow pipe angle measuring device which can guarantee the accuracy of the shrimp waist elbow pipe angle and facilitate the butt connection of the pipe in the subsequent engineering.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions

[0006] In a first aspect, the embodiments of the present application provide a shrimp waist elbow pipe angle measuring device, which comprises a platform and an intermediate shaft, the bottom end of the intermediate shaft is rotatably connected with the platform, a rotating sleeve is sleeved on the intermediate shaft, the rotating sleeve is slidably connected with the intermediate shaft so that the rotating sleeve can rotate around the axis of the intermediate shaft and move along the axis direction of the intermediate shaft, the rotating sleeve is provided with a laser generator, and the laser emission port axis of the laser emitter is perpendicular to the axis of the intermediate shaft.

[0007] Optionally, an angle scale is arranged on the platform, and the angle scale is located on one side of the intermediate shaft and used for measuring the rotation angle of the intermediate shaft.

[0008] Optionally, the bottom end of the intermediate shaft is rotatably connected with the platform through a rotating shaft, and the axis of the rotating shaft passes through the center of the angle scale.

[0009] Optionally, the intermediate shaft is provided with an adjusting mechanism, and the adjusting mechanism is used for adjusting the position of the rotating sleeve on the intermediate shaft.

[0010] Optionally, the adjusting mechanism adopts an adjusting nut, the adjusting nut is threadedly connected with the intermediate shaft, the rotating sleeve is in contact with the adjusting nut, and the adjusting nut is used for supporting the rotating sleeve.

[0011] Optionally, a locking piece is arranged between the adjusting nut and the intermediate shaft, and the locking piece locks and fixes the adjusting nut and the intermediate shaft.

[0012] Optionally, the locking member is a clamping bolt, and the clamping bolt is in threaded connection with the adjusting nut.

[0013] Optionally, the platform is in a cross-shaped structure and is fixed by two mutually perpendicular steel beams.

[0014] In a second aspect, the embodiments of the present application provide a working method of a shrimp waist elbow pipe angle measuring device, comprising the following steps:

[0015] The shrimp waist elbow pipe is placed on the platform, and the axis of the shrimp waist elbow pipe is perpendicular to the platform, and the intermediate shaft is located inside the shrimp waist elbow pipe;

[0016] The position of the rotating sleeve on the intermediate shaft is adjusted, and the intermediate shaft is rotated to adjust the angle between the intermediate shaft and the platform, so that when the rotating sleeve rotates around the axis of the intermediate shaft, the plane formed by the laser rays emitted by the laser emitter is flush with the end surface of the shrimp waist elbow pipe;

[0017] The included angle between the intermediate shaft and the platform is recorded, and then the angle of the shrimp waist elbow pipe is obtained.

[0018] In a third aspect, the embodiments of the present application provide a working method of a shrimp waist elbow pipe angle measuring device, comprising the following steps:

[0019] The pipe to be cut is placed on the platform, and the axis of the pipe is perpendicular to the platform, and the intermediate shaft is located inside the pipe;

[0020] The intermediate shaft is rotated so that the included angle between the intermediate shaft and the platform meets the angle requirement of the shrimp waist elbow pipe;

[0021] The position of the rotating sleeve on the intermediate shaft is adjusted, the laser emitter is started, the rotating sleeve is rotated 360° around the axis of the intermediate shaft, and the projection track of the laser rays on the inner surface of the pipe is recorded;

[0022] The pipe is cut according to the recorded projection track, and the shrimp waist elbow pipe is obtained.

[0023] The present application has the following advantages:

[0024] 1. The angle measuring device of the present application obtains the angle value of the shrimp waist elbow pipe by the included angle between the intermediate shaft and the platform when the laser rays are flush with the end surface of the shrimp waist elbow pipe. Since the laser rays can be perpendicular to the axis of the intermediate shaft accurately, and the angle of the intermediate shaft can be adjusted to be flush with the end surface of the shrimp waist elbow pipe, the angle of the shrimp waist elbow pipe can be obtained accurately by the included angle between the intermediate shaft and the platform. Compared with the traditional rough measurement of the turning angle by using an angle ruler or a line, the measurement result is more accurate, and the subsequent engineering pipeline connection is ensured to be successfully connected. Moreover, when the shrimp waist elbow pipe is processed, the accurate cutting track can be obtained, which is beneficial to process the shrimp waist elbow pipe with accurate angle.

[0025] 2. The angle measuring device of the present application, the included angle between the two end faces of the shrimp waist elbow pipe obtained by the included angle between the intermediate shaft and the platform is the included angle between the two end faces of the shrimp waist elbow pipe, not the rotation angle of the pipe axis, which provides more accurate guidance for engineering installation or pipe processing. The accuracy of the actual angle measurement of the shrimp waist elbow pipe is improved, and a more accurate control means is provided for the process of processing the shrimp waist elbow pipe.

[0026] 3. The angle measuring device of the present application, by setting the adjusting nut, the position of the rotating sleeve along the axis direction of the intermediate shaft will not change when the rotating sleeve is manually rotated, ensuring the smooth acquisition of angle measurement or cutting trajectory line.

[0027] 4. The angle measuring device of the present application is provided with an angle scale, which facilitates reading the rotation angle of the intermediate shaft, makes it convenient for the staff to read, and reduces the labor intensity of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings accompanying the specification of this application serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute a limitation of the present application.

[0029] Fig. 1 It is a schematic diagram of the overall structure of embodiment 1 of the present application;

[0030] Fig. 2 It is a partial enlarged schematic view of the angle scale of embodiment 1 of the present application;

[0031] Fig. 3 It is a partial enlarged schematic view of the rotating sleeve and the adjusting nut of embodiment 1 of the present application;

[0032] Among them, 1. Platform, 2. Shaft, 3. Intermediate shaft, 4. Angle scale, 5. Shrimp waist elbow pipe, 6. Adjusting nut, 7. Tightening bolt, 8. Rotating sleeve, 9. Laser emitter, 10. Laser beam. DETAILED DESCRIPTION

[0033] Embodiment 1

[0034] This embodiment provides a shrimp waist elbow pipe angle measuring device, as shown in Figs. 1-3As shown, including platform 1 and intermediate shaft 3, the bottom end of the intermediate shaft 3 is rotatably connected with platform 1, platform 1 is also provided with angle scale 4, for showing the angle between the intermediate shaft 3 and platform 1, and then get the rotation angle of the intermediate shaft 3, the intermediate shaft 3 is sleeved with rotating sleeve 8, rotating sleeve 8 is coaxial with the intermediate shaft 3, rotating sleeve 8 is slidably connected with the intermediate shaft 3, so that rotating sleeve 8 can rotate around the axis of the intermediate shaft 3 and move along the axis of the intermediate shaft 3, rotating sleeve 8 is fixed with laser emitter 9, laser emitter can emit laser beam 10 with a set of color, wherein the laser emission axis of the laser emitter 9 is perpendicular to the axis of the intermediate shaft 3, so that the laser beam 10 emitted by the laser emitter 9 is perpendicular to the axis of the intermediate shaft 3.

[0035] Specifically:

[0036] Platform 1 is made of a flat plate or welded by a plurality of steel beams, in order to reduce the weight of the platform, the platform is made of a plurality of steel beams, the plurality of steel beams are distributed in the form of rice or cross, the platform 1 in the embodiment is welded by two steel beams, the two steel beams are distributed vertically to form a cross structure, which can stably support the pipe to be processed into shrimp waist bending pipe or the shrimp waist bending pipe to be measured.

[0037] Angle scale 4 is a semicircular disc, which is provided with angle scale line.

[0038] Platform 1 is provided with a hinge seat, the hinge seat is provided with a rotating shaft 2, the bottom end of the intermediate shaft 3 is rotatably connected with the rotating shaft 2, so as to realize the rotatable connection between the intermediate shaft 3 and the platform 1, the intermediate shaft 3 can rotate around the axis of the rotating shaft 2, when the rotating shaft 2 is used, the bottom of the angle scale 4 needs to be connected with the platform 1 through a connecting plate, so that the center of the angle scale 4 is located on the axis of the rotating shaft 2. The axis of the rotating shaft 2 passes through the center of the angle scale 4, so that the angle scale 4 can accurately display the rotation angle of the intermediate shaft.

[0039] In order to facilitate reading, the angle scale 4 is arranged on one side of the intermediate shaft 3, by arranging the angle scale 4, the rotation angle of the intermediate shaft 3 can be read conveniently, so that the staff can read conveniently and the labor intensity of the staff is reduced.

[0040] In another embodiment, the platform 1 is provided with a groove, the groove is provided with a rotating shaft 2, the bottom end of the intermediate shaft 3 is rotatably connected with the rotating shaft 2, and the axis of the intermediate shaft 3 is located on the plane where the top surface of the platform 1 is located, at this time, the bottom end of the angle scale 4 is directly fixed on the top surface of the platform 1. At this time, the axis of the rotating shaft 2 passes through the center of the angle scale 4.

[0041] In this embodiment, a locking member is arranged between the bottom of the intermediate shaft 3 and the rotating shaft 2, and the locking member is a locking bolt. The bottom of the intermediate shaft 3 is threadedly connected with the locking bolt. When the locking bolt is rotated, the locking bolt can be pressed on the rotating shaft 2, so that the intermediate shaft is locked and fixed with the rotating shaft, and the intermediate shaft cannot rotate around the axis of the rotating shaft.

[0042] The intermediate shaft 3 is a cylindrical shaft, and the cross section thereof is circular. The rotating sleeve 8 is a cylindrical structure, and is sleeved on the outer periphery of the intermediate shaft 3. The inner surface of the rotating sleeve 8 is a smooth surface, and is slidably connected with the outer shaft surface of the intermediate shaft 3, so that the rotating sleeve 8 can rotate around the axis of the intermediate shaft 3 and can move along the axis direction of the intermediate shaft 3.

[0043] The outer periphery of the rotating sleeve 8 is fixed with a laser emitter 9. The laser emitter 9 can emit a red or other color laser beam 10. The axis of the laser emission port of the laser emitter 9 is perpendicular to the axis of the intermediate shaft 3, so that the laser beam 10 is perpendicular to the axis of the intermediate shaft 3.

[0044] In this embodiment, the outer periphery of the rotating sleeve 8 is provided with a mounting seat, and the shell of the laser emitter 9 is fixedly connected with the mounting seat by bolts.

[0045] The intermediate shaft 3 is further provided with an adjusting mechanism. The adjusting mechanism is used to adjust the position of the rotating sleeve on the intermediate shaft 3.

[0046] Specifically, the adjusting mechanism is an adjusting nut 6. Correspondingly, the intermediate shaft 3 is provided with an external thread section. The adjusting nut 6 is threadedly connected with the intermediate shaft 3 through the external thread section. The upper surface of the adjusting nut 6 is in contact with the bottom surface of the rotating sleeve 8. The rotating sleeve 8 is supported by the adjusting nut 6, so that when the rotating sleeve 8 is manually rotated, the position of the rotating sleeve 8 along the axis direction of the intermediate shaft 3 does not change, thereby ensuring the smooth acquisition of the angle measurement or the cutting trajectory line.

[0047] A locking member is arranged between the adjusting nut 6 and the intermediate shaft 3. The locking member is a locking bolt 7. The locking bolt 7 is threadedly connected with the adjusting nut 6. When the locking bolt 7 is rotated, the locking bolt 7 can be pressed on the intermediate shaft 3, so that the adjusting nut 6 is locked and fixed with the intermediate shaft 3. At this time, the adjusting nut 6 cannot be rotated, and the position of the rotating sleeve 8 cannot be adjusted.

[0048] By rotating the adjusting nut 6, the position of the rotating sleeve 8 can be finely adjusted, so that the position of the laser emitter 9 can be finely adjusted, and the laser beam 10 of the laser emitter 9 can be flush with the end surface of the shrimp waist elbow pipe.

[0049] In other embodiments, the adjusting mechanism can also be slidably connected with the intermediate shaft, and only the locking bolt needs to be arranged.

[0050] Embodiment 2:

[0051] The embodiment provides a working method of the shrimp waist elbow pipe angle measuring device described in embodiment 1, which is used for measuring the angle of a processed shrimp waist elbow pipe 5, the shrimp waist elbow pipe 5 comprises a first end surface perpendicular to an outer pipe wall and a second end surface with an acute angle to the outer pipe wall, and the measuring method comprises the following specific steps:

[0052] Step 1: place the shrimp waist elbow pipe 5 on the platform 1, and the axis of the shrimp waist elbow pipe 5 is perpendicular to the platform 1, that is, the first end surface of the shrimp waist elbow pipe 5 is in contact with the platform 1, and the intermediate shaft 3, the rotating sleeve 8, the laser emitter 9 and other components are located in the interior of the shrimp waist elbow pipe.

[0053] Step 2: start the laser emitter 9, loosen the locking bolt 7, rotate the adjusting nut 6, and move the rotating sleeve 8 along the axis direction of the intermediate shaft 3, and rotate the intermediate shaft 3 until the laser beam 10 emitted by the laser emitter 9 is flush with the second end surface of the shrimp waist elbow pipe 5 when the rotating sleeve 8 rotates, and at this time, the locking bolt is used to lock the intermediate shaft and the rotating shaft.

[0054] Step 3: read the included angle between the intermediate shaft 3 and the platform 1 through the angle disc 4, and then obtain the angle value of the shrimp waist elbow pipe 5.

[0055] The device of the embodiment is used, the laser beam 10 can be perpendicular to the axis of the intermediate shaft 3, and the angle of the intermediate shaft 3 can be flush with the end surface of the shrimp waist elbow pipe 5 through adjustment, so that the angle between the intermediate shaft 3 and the platform 1 can be obtained. The angle of the shrimp waist elbow pipe 5 is accurate, compared with the traditional rough measurement of the turning angle by using an angle ruler or a pull line, the measurement result is more accurate, the subsequent engineering pipeline is connected smoothly, and the included angle between the intermediate shaft 3 and the platform 1 is obtained, rather than the turning angle of the pipe axis, which provides more accurate guidance for engineering installation or pipe processing. The accuracy of the actual angle measurement of the shrimp waist elbow pipe is improved, and a more accurate control means is provided in the process of processing the shrimp waist elbow pipe.

[0056] Embodiment 3

[0057] The embodiment provides a working method of a shrimp waist elbow pipe angle measuring device, which is used for cutting a shrimp waist elbow pipe from an existing pipe material, and comprises the following specific steps.

[0058] Step 1: place the pipe material to be cut on the platform 1, the axis of the pipe material is perpendicular to the platform 1, and the intermediate shaft 3, the rotating sleeve 8, the laser emitter 9 and other components are located in the interior of the pipe material.

[0059] Step 2: loosen the locking bolt 7, rotate the adjusting nut 6, adjust the rotating sleeve 8 to the set position on the central shaft 3, and then tighten the locking bolt 7.

[0060] Step 3: Turn the intermediate shaft 3 until the angle between the intermediate shaft 3 and the platform 1 reaches the set value that meets the angle of the shrimp waist bend pipe through the reading of the angle scale 4, and then turn the locking bolt to lock and fix the intermediate shaft 3 and the rotating shaft 2.

[0061] Step 4: Start the laser emitter 9, and turn the rotating sleeve 8. The rotating sleeve 8 is turned 360°, and the projection track line of the laser beam 10 on the inner surface of the pipe is recorded.

[0062] Step 5: After the rotating sleeve 8 is turned 360°, the laser emitter 9 is turned off, and the pipe is cut by using the recorded projection track line to obtain the required shrimp waist bend pipe.

[0063] The above describes the specific embodiments of the present application in combination with the drawings, but is not a limitation on the protection scope of the present application. It should be understood by those skilled in the art that various modifications or changes made on the basis of the technical solutions of the present application without creative labor are still within the protection scope of the present application.

Claims

1. A shrimp micro-lumbar bending pipe angle measuring device, characterized in that, The utility model relates to a laser pipe cutting device, which comprises a platform and an intermediate shaft, the bottom end of the intermediate shaft is rotationally connected with the platform, a rotating sleeve is sleeved on the intermediate shaft, the rotating sleeve is slidingly connected with the intermediate shaft so that the rotating sleeve can rotate around the axis of the intermediate shaft and move along the axis direction of the intermediate shaft, the rotating sleeve is provided with a laser generator, and the axis of a laser emission port of the laser generator is perpendicular to the axis of the intermediate shaft. The angle measuring device is used for measuring the included angle between the two end faces of the shrimp waist elbow pipe, the included angle between the intermediate shaft and the platform is the angle of the shrimp waist elbow pipe, and an angle scale is arranged on the platform and located on one side of the intermediate shaft to measure the rotation angle of the intermediate shaft. The intermediate shaft is provided with an adjusting mechanism, and the adjusting mechanism is used for adjusting the position of the rotating sleeve on the intermediate shaft.

2. A shrimp pipe bending angle measuring device as claimed in claim 1, characterized in that, The bottom end of the intermediate shaft is rotationally connected with the platform through a rotating shaft, and the axis of the rotating shaft passes through the center of the angle scale.

3. A shrimp pipe bending angle measuring device as claimed in claim 1, characterized in that, The adjusting mechanism adopts an adjusting nut, the adjusting nut is threadedly connected with the intermediate shaft, the rotating sleeve is in contact with the adjusting nut, and the adjusting nut is used for supporting the rotating sleeve.

4. A shrimp pipe bending angle measuring device as claimed in claim 3, characterized in that, A locking piece is arranged between the adjusting nut and the intermediate shaft, and the locking piece locks and fixes the adjusting nut and the intermediate shaft.

5. A shrimp pipe bending angle measuring device as claimed in claim 4, characterized in that, The locking piece adopts a locking bolt, and the locking bolt is threadedly connected with the adjusting nut.

6. A shrimp pipe bending angle measuring device as claimed in claim 1, characterized in that, The platform adopts a cross-shaped structure and is fixed by two mutually perpendicular steel beams.

7. A method of operating the shrimp pipe elbow angle measuring device according to any one of claims 1-6, characterized in that, The steps include the following: The shrimp waist elbow pipe is placed on the platform, the axis of the shrimp waist elbow pipe is perpendicular to the platform, and the intermediate shaft is located in the shrimp waist elbow pipe; The position of the rotating sleeve on the intermediate shaft is adjusted, the intermediate shaft is rotated, the angle between the intermediate shaft and the platform is adjusted, and when the rotating sleeve rotates around the axis of the intermediate shaft, the plane formed by the laser rays emitted by the laser emitter is flush with the end face of the shrimp waist elbow pipe; The included angle between the intermediate shaft and the platform is recorded, and the angle of the shrimp waist elbow pipe is obtained.

8. A method of operating the shrimp pipe elbow angle measuring device according to any one of claims 1-6, characterized in that, The steps include the following: The pipe to be cut is placed on the platform, the axis of the pipe is perpendicular to the platform, and the intermediate shaft is located in the pipe; The intermediate shaft is rotated, so that the included angle between the intermediate shaft and the platform meets the angle requirement of the shrimp waist elbow pipe; The position of the rotating sleeve on the intermediate shaft is adjusted, the laser emitter is started, the rotating sleeve is rotated 360 degrees around the axis of the intermediate shaft, and the projection track of the laser rays on the inner surface of the pipe is recorded; The pipe is cut according to the recorded projection track, and the shrimp waist elbow pipe is obtained.

Citation Information

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