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Long-pipe taper thread measurement device, taper plug gauge clamp and taper ring gauge clamp

A technology of measuring device and taper plug gauge, which is applied in the direction of measuring device, mechanical measuring device, angle/taper measurement, etc., can solve the problems of inconsistent pressing force, base surface gauge error, influence of measurement results, etc., to improve accuracy, eliminate The effect of easy guarantee of error and machining accuracy

Active Publication Date: 2017-02-15
CHOTEST TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is a certain gap between the fixture and the fixture base, when the base gauge and the taper gauge are installed separately, since the calibration and measurement are two different installations, the applied pressing force may be inconsistent, resulting in the base gauge calibrated by the base gauge. The end faces of the surface and taper gauges are not at the same position, that is, the calibration process of the base surface gauge introduces a certain error, which has a more serious impact on the measurement results of the larger taper gauge

Method used

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  • Long-pipe taper thread measurement device, taper plug gauge clamp and taper ring gauge clamp
  • Long-pipe taper thread measurement device, taper plug gauge clamp and taper ring gauge clamp
  • Long-pipe taper thread measurement device, taper plug gauge clamp and taper ring gauge clamp

Examples

Experimental program
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Effect test

Embodiment 1

[0043] In this embodiment, a measuring device for long pipe-like tapered threads is provided. This measuring device can measure long pipe-like tapered threads, and can also measure common tapered threads. This measuring device can measure comprehensive parameters of tapered threads, such as base surface Pitch diameter, major diameter of base surface, minor diameter of base surface, pitch, cumulative error of pitch, profile angle, profile half angle, taper, etc. The measuring device can also measure the long tapered tube type smooth surface cone gauge.

[0044] Such as figure 1 As shown, the measuring device mainly includes a support platform 7, a measuring mechanism 1, a first support fixture 3, a second support fixture 6, a first tapered sleeve fixture 2 and a second tapered sleeve fixture 5, wherein the support platform 7 is installed in existing equipment The base of the supporting table is grown, and the measuring mechanism 1 is consistent with the measuring mechanism of ...

Embodiment 2

[0060] This embodiment provides a tapered plug gauge fixture, and the tapered plug gauge fixture in this example is used to accurately measure the tapered plug gauge.

[0061] Such as Figure 11 As shown, the taper plug gauge fixture includes a plug gauge fixture 10 for clamping, and also includes a datum 9 for determining the reference plane of the taper plug gauge. When measuring the taper plug gauge 11 , the benchmark 9 is installed on the V-shaped groove 1001 of the plug gauge fixture 10 , the taper plug gauge 11 is placed on the V-shaped groove 1001 of the plug gauge fixture 10 , and the end is attached to the benchmark 9 .

[0062] The plug gauge fixture 10 is provided with a V-shaped groove 1001 for installing the taper plug gauge 11, and the bottom of the V-shaped groove 1001 is provided with a groove for avoiding the measurement of the scanning needle 15. The plane on which it rests is provided with a slot for avoiding the measurement of the probe. The benchmark 9 i...

Embodiment 3

[0074] This embodiment provides a taper ring gauge clamp, and the taper ring gauge clamp in this example is used for accurately clamping the taper ring gauge.

[0075] Such as Figure 14 As shown, it includes a ring gauge fixture 13 for clamping, and also includes a datum 12 for determining the reference plane of the taper ring gauge. When measuring the taper ring gauge 14 , the ring gauge fixture 13 is installed on the fixture base 101 , the taper ring gauge 14 is installed on the reference device 12 , and the reference device 12 is installed on the ring gauge holder 13 .

[0076] Such as Figure 15 As shown, the reference device 12 is an annular body 1202 with a panel on one side. The annular body 1202 has an annular cavity 12022 that matches the taper ring gauge 14. A mounting hole 12021 is provided in the center of the panel. There are two installation grooves symmetrical to the center, and an avoidance hole for avoiding the measurement of the scanning needle 15 is provi...

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Abstract

The present invention discloses a long-pipe taper thread measurement device, a taper plug gauge clamp and a taper ring gauge clamp. The measurement device of the long-pipe tape thread comprises a support platform and a measurement mechanism, and also comprises a first support clamp, a second support clamp, a first taper sleeve clamp and a second taper sleeve clamp. A standard is installed on the first taper sleeve clamp and the second tape sleeve clamp, the first taper sleeve clamp is installed on an outer taper thread, and the second taper sleeve clamp is installed on an inner taper thread to allow the standard to fix with the outer taper sleeve thread and the inner taper sleeve thread; and the first support clamp and the second support clamp are installed on the support platform for measurement, and the location of the outer taper thread and the inner taper thread are completed at one time to avoid the installation location error caused by installing the standard at first and then installing the long taper tube. The long-pipe taper thread measurement device can realize measurement through one-time installation, so that the measurement precision of the measurement device is high and the measurement is simple and convenient.

Description

technical field [0001] The invention relates to the technical field of thread measurement, in particular to a measuring device for taper threads of long pipes, a taper plug gauge fixture and a taper ring gauge fixture. Background technique [0002] In petroleum, coal and other industries, there are long drill pipes and oil rods of several meters or even tens of meters. The two ends of the long drill pipes and oil rods have taper threads for connection and sealing. Through thread connection, they can be connected into Hundreds of meters, or even thousands of meters of long pipe, the long pipe has to withstand high temperature and high pressure for a long time when working, that is, the requirements for the taper thread at both ends of the long drill pipe and oil rod are very high, and the taper thread needs to be detected during manufacture and use Comprehensive parameters, such as base diameter, base diameter, base diameter, pitch, pitch cumulative error, tooth angle, tooth ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/00G01B5/24
Inventor 欧协锋张鹏张达民刘阳
Owner CHOTEST TECH INC
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