Portable petroleum taper pipe diameter measuring and positioning device and method

Abstract

The application discloses a portable petroleum cone pipe top diameter measuring and positioning device and method, which comprises a horizontal support device, a first connecting device and a fixing device which are vertically and slidably connected to the horizontal support device, first support parts and second support parts are symmetrically arranged at two ends of the first connecting device, the horizontal support device equally divides the first connecting device, first locking devices are arranged on the horizontal support device and used for fixing the position of the first connecting device, second locking devices are arranged on the fixing device and used for fixing the position of the fixing device, and the fixing device is used for fixing a top diameter measuring instrument, the measuring and positioning device eliminates the influence of personnel operation level and subjective judgment, can accurately measure the maximum top diameter and the minimum top diameter of a pipe to be detected, and improves the measuring efficiency and accuracy.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of petroleum pipe thread measurement, in particular to a portable petroleum taper pipe top diameter measurement positioning device and method. BACKGROUND

[0002] The outer thread top diameter is a very important parameter in the thread parameter measurement of the petroleum pipe round thread casing and tubing and the bias trapezoidal thread casing, and the maximum top diameter and the minimum top diameter of the thread on the specified section must be found according to the standard.

[0003] The existing petroleum pipe outer thread top diameter measurement has the following problems: when detecting the outer thread top diameter on the production line, most manufacturers rotate the pipe, and the operator measures with a measuring instrument. With the rotation of the pipe, the measuring instrument is easy to deviate from the measurement center position, which leads to inaccurate measurement, and the operator needs to constantly swing the measuring instrument, and needs more experience to find the measurement position of the pipe center, which cannot quickly find the center of the pipe, that is, the top diameter cannot be accurately obtained, and the whole measurement process is time-consuming. SUMMARY

[0004] In order to solve the problems in the prior art, the application provides a portable petroleum taper pipe top diameter measurement positioning device and method, which eliminates the influence of personnel operation level and subjective judgment, accurately measures the maximum top diameter and minimum top diameter of the petroleum pipe, and improves the measurement efficiency and accuracy.

[0005] To achieve the above purpose, the application provides the following technical scheme: a portable petroleum taper pipe top diameter measurement positioning device, comprising a horizontal support device, a first connecting device and a fixing device which are vertically and slidably connected to the horizontal support device, the first connecting device is symmetrically provided with a first support part and a second support part at both ends, the horizontal support device equally divides the first connecting device, a first locking device is arranged on the horizontal support device for fixing the position of the first connecting device, a second locking device is arranged on the fixing device for fixing the position of the fixing device, and the fixing device is used for fixing and installing a top diameter measuring instrument.

[0006] Further, the angle between the first support part and the second support part and the first connecting device is 120°-150°, and the first connecting device is slidably connected to the horizontal support device.

[0007] Further, the first connecting device is a connecting rod, the length of the connecting rod is one third of the inner diameter of the pipe to be detected, and the first support part and the second support part are spherical bearings.

[0008] Further, a guide rail sliding seat is arranged on the first connecting device, and the guide rail sliding seat is connected with the horizontal support device.

[0009] Further, the horizontal support device comprises a guide rail slide rail, one end of the guide rail slide rail is slidably connected with the first connecting device, the other end of the guide rail slide rail is connected with one end of the second connecting device, the other end of the second connecting device is connected with a third support part, the third support part is horizontally arranged, and first locking devices are arranged on both sides of the guide rail slide rail.

[0010] Further, the guide rail slide rail is a C-shaped guide rail, the third support part is a spherical bearing, and the second connecting device is a connecting rod.

[0011] Further, the first locking device and the second locking device are both locking nuts.

[0012] Further, the fixing device is a fixing seat, two through holes are arranged on the fixing seat, a through rod is fixed in each of the two through holes, and the top diameter measuring instrument is installed on the two through rods.

[0013] The application also provides a use method of the portable petroleum pipe top diameter measuring and positioning device.

[0014] 2) adjust the fixing device to slide on the horizontal support device until the fixing device is located on the inner diameter center O of the pipe to be detected, lock the second locking device at this time, install the top diameter measuring instrument on the fixing seat, and then the top diameter of the pipe to be detected can be measured.

[0015] Further, the determination method of the inner diameter center O of the pipe to be detected is as follows.

[0016] Let the distance between the final position of the fixing device and the first connecting device be L, and the calculation formula of L is as follows.

[0017]

[0018] Wherein, R is the inner diameter of the pipe to be detected, S is the length of the first connecting device, P is the length of the first support part, and alpha is the included angle between the first support part and the first connecting device.

[0019] Compared with the prior art, the application has at least the following beneficial effects:

[0020] The portable petroleum taper pipe top diameter measuring and positioning device of the present application forms three-point support on the inner wall of the pipe to be detected through the first support part and the second support part on the horizontal support device and the first connecting device, adjusts the position of the first connecting device and the fixing device, thereby determining the measuring position of the top diameter measuring instrument, which can eliminate the influence of personnel operation level and subjective judgment, accurately measure the top diameter of the pipe to be detected while the pipe to be detected rotates, and improve the measuring efficiency and accuracy,

[0021] The present application also provides a calculation formula for calculating the final position of the fixing device, which can accurately obtain the final position of the fixing device in the pipe to be detected with different pipe diameters, and realize accurate positioning of the top diameter measuring instrument under different pipe diameters. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the measuring device of the present application;

[0023] Figure 2 It is a mathematical principle diagram provided by the embodiment of the present application;

[0024] In the figure: 1 first support part, 2 first connecting device, 3 first locking device, 4 second locking device, 5 fixing device, 6 guide rail, 7 third support part, 8 second support part, 9 second connecting device. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] As Figure 1As shown, the portable petroleum cone pipe top diameter measuring positioning device comprises a first connecting device 2 and a horizontal support device, the first connecting device 2 is slidably connected to the horizontal support device, the horizontal support device is provided with a first locking device 3 for fixing the position of the first connecting device 2, the horizontal support device bisects the first connecting device 2, a fixing device 5 is slidably connected to the horizontal support device, the fixing device 5 is used for fixing the installation of a top diameter measuring instrument, a second locking device 4 is arranged on the fixing device 5, and the fixing device 5 realizes the purpose of fixing the position of the fixing device 5 through the second locking device 4.

[0027] The first connecting device 2 is symmetrically provided with a first support part 1 and a second support part 8 at two ends, and the angle between the first support part 1 and the second support part 8 and the first connecting device 2 is 120°-150°, preferably 135°.

[0028] The horizontal support device comprises a guide rail sliding rail 6, a third support part 7 and a second connecting device 9, one end of the guide rail sliding rail 6 is slidably connected to the first connecting device 2, and the other end of the guide rail sliding rail 6 is connected to the third support part 7 through the second connecting device 9.

[0029] Preferably, the first connecting device 2 is provided with a guide rail sliding seat, the guide rail sliding seat is connected to realize the sliding of the first connecting device 2 on the guide rail sliding rail 6.

[0030] Preferably, the guide rail sliding rail 6 is provided with the first locking device 3 on both sides, and the first locking device 3 is used for fixing the position of the first connecting device 2.

[0031] Preferably, the guide rail sliding rail 6 can be a C-shaped guide rail.

[0032] Preferably, the second connecting device 9 is fixed to one end of the guide rail sliding rail 6 through a fixing nut.

[0033] Preferably, the first support part 1, the second support part 8 and the third support part 7 are all spherical bearings.

[0034] Preferably, the first locking device 3 and the second locking device 4 are both locking nuts.

[0035] Preferably, the first connecting device 2 and the second connecting device 9 are both connecting rods, and the length of the connecting rod is about one third of the inner diameter of the pipeline to be detected.

[0036] Preferably, the fixing device 5 is a fixing seat, the fixing seat is provided with two through holes, a through rod is fixed in each of the two through holes, and the top diameter measuring instrument is installed on the two through rods.

[0037] When the measuring positioning device of the present application is used, the first support part 1 and the second support part 8 are first contacted with the inner wall of the pipe to be detected to form a support inside the pipe body, the first connecting device 2 is moved on the guide rail 6 to adjust the third support part 7 to be contacted with the inner wall of the pipe to be detected, the first locking device 3 is locked, at this time, the first support part 1, the second support part 8 and the third support part 7 are all adhered to the inner wall of the pipe, and the positioning is completed.

[0038] The fixing device 5 is slid on the guide rail 6 until the fixing device 5 is located on the inner diameter center O of the pipe to be detected, at this time, the second locking device 4 is locked, and finally the top diameter measuring instrument is installed on the fixing seat 5 to start the top diameter detection of the pipe to be detected.

[0039] The determination method of the inner diameter center O of the pipe to be detected is as follows:

[0040] As shown in Figure 2 The manufacturing size of the measuring positioning device of the present application is known, that is, the length AB of the first support part 1, the length BD of the first connecting device 2, the length DE of the second support part 8, the angle ∠ABC between the first support part 1 and the first connecting device 2, the angle ∠EDC between the second support part 8 and the first connecting device 2, and the inner diameter R of the pipe to be detected are known.

[0041] The midpoint of the first connecting device 2 is C, the distance CO of the first connecting device 2 to the inner diameter center O of the pipe to be detected is the distance that the fixing device 5 needs to move, and the specific distance is:

[0042]

[0043] Wherein, F is the intersection of the extension line of CO and the pipe wall of the pipe to be detected;

[0044] During the measurement, the position of the fixing device 5 can be adjusted according to the pipe diameter of the pipe to be detected, so that the distance CO between the final position of the fixing device 5 and the first connecting device 2 is L, and the calculation formula of L is as follows:

[0045]

[0046] Wherein, R is the inner diameter of the pipe to be detected; S is the length of the first connecting device 2; P is the length of the first support part 1; and α is the included angle between the first support part 1 and the first connecting device 2.

[0047] The positioning device of the present application forms three-point support sliding adjustment of the position of the first connecting device 2 and the fixing device 5 on the inner wall of the pipe to be detected through the third support part 7 on the guide rail 6 and the first support part 1 and the second support part 8 on the first connecting device 2, and the positioning position of the fixing device 5 in the pipe to be detected of different sizes can be obtained by using the above calculation formula, and the measurement position of the top diameter measuring instrument is accurately determined. The device can eliminate the influence of personnel operation level and subjective judgment, accurately measure the top diameter of the petroleum pipe while the top diameter measuring instrument rotates, and improve the measurement efficiency and accuracy.

[0048] The above is only used for describing the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made according to the technical idea of the present application on the basis of the technical scheme falls within the protection scope of the claims of the present application.

Claims

1. A portable petroleum cone top diameter measuring and positioning device, characterized in that: It comprises a horizontal supporting device, a first connecting device (2) vertically slidably connected to the horizontal supporting device, and a fixing device (5), wherein the first connecting device (2) is symmetrically provided with a first supporting portion (1) and a second supporting portion (8) at both ends, the horizontal supporting device divides the first connecting device (2) into two halves, the horizontal supporting device is provided with a first locking device (3) for fixing the position of the first connecting device (2), the fixing device (5) is provided with a second locking device (4) for fixing the position of the fixing device (5), and the fixing device (5) is used for fixing and installing a top diameter measuring instrument; The angle formed between the first supporting portion (1) and the second supporting portion (8) and the first connecting device (2) is 120° to 150°, and the first connecting device (2) is slidably connected to the horizontal supporting device; The horizontal support device includes a guide rail slide (6), one end of the guide rail slide (6) is slidably connected to the first connecting device (2), the other end of the guide rail slide (6) is connected to one end of the second connecting device (9), the other end of the second connecting device (9) is connected to a third support portion (7), the third support portion (7) is horizontally arranged, and first locking devices (3) are arranged on both sides of the guide rail slide (6).

2. A portable petroleum cone top diameter measuring and positioning device according to claim 1, characterized in that: The first connecting device (2) is a connecting rod, the length of which is one third of the inner diameter of the pipeline to be inspected; the first supporting part (1) and the second supporting part (8) are spherical bearings.

3. The portable petroleum cone top diameter measuring and positioning device according to claim 1, characterized in that: A guide rail slide is provided on the first connecting device (2), and the guide rail slide is connected to the horizontal supporting device.

4. The portable petroleum cone top diameter measuring and positioning device according to claim 1, characterized in that: The guide rail (6) is a C-shaped guide rail, the third support portion (7) is a spherical bearing, and the second connecting device (9) is a connecting rod, the length of which is one third of the inner diameter of the pipeline to be inspected.

5. The portable petroleum cone top diameter measuring and positioning device according to claim 1, characterized in that: The first locking device (3) and the second locking device (4) are both locking nuts.

6. The portable petroleum cone top diameter measuring and positioning device according to claim 1, characterized in that: The fixing device (5) is a fixing seat, which is provided with two through holes, each of which is fixed with a through rod, and the top diameter measuring instrument is installed on the two through rods.

7. A method for using a portable petroleum cone top diameter measuring and positioning device according to any one of claims 1 to 6, characterized in that: When in use, 1) first, the first supporting portion (1) and the second supporting portion (8) at both ends of the first connecting device (2) are brought into contact with the inner wall of the tube to be tested, thereby forming a support inside the tube body; the position of the first connecting device (2) on the horizontal supporting device is adjusted so that the end of the horizontal supporting device away from the first connecting device (2) is brought into contact with the inner wall of the tube to be tested; at this time, the first locking device (3) is locked, the position of the first connecting device (2) is fixed, and the positioning is completed; 2) Adjust the fixing device (5) to slide on the horizontal support device until the fixing device (5) is located on the center O of the inner diameter of the tube to be tested. At this time, lock the second locking device (4) and install the top diameter measuring instrument on the fixing seat (5) to measure the top diameter of the tube to be tested.

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