A thread detection device for internally threaded casing
A detection device and internal thread technology, applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problems of poor accuracy and low inspection efficiency, and achieve the effect of convenient operation, favorable accuracy and intuitive results
Active Publication Date: 2020-06-02
黑龙江圣辉计量检测技术服务有限公司
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Problems solved by technology
There is no special inspection tool in the prior art, only rely on manual random inspection, and mainly rely on the experience of inspectors to judge through visual inspection, the inspection efficiency is low and the accuracy is poor
Method used
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[0015] Such as figure 1 As shown, a thread detection device for an internally threaded casing of the present invention includes a spool 11 arranged in the vertical direction, a sleeve 12 that can slide up and down along the spool 11, and a top fixed on the sleeve 12. The beam 1 and the base 8 fixed on the lower end of the sliding post 11 .
[0016] The cross-sections of the spool 11 and the sleeve 12 are both square, which prevents the sleeve 12 from rotating relative to the spool 11 and facilitates accurate positioning. A threaded hole is provided on the sleeve 12, and a screw 13 for fixing the sleeve 12 and the sliding post 11 is installed in the threaded hole. In a preferred embodiment, a length scale is provided on the sliding post 11 along the length direction of the sliding post 11 The sleeve 12 and the top beam 1 can be raised and lowered to different heights for different lengths of internally threaded casings, and then fixed by screws 13, and precisely positioned by ...
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The invention relates to the field of detection and inspection equipment, in particular to a thread detection device for an internally threaded casing. It includes a sliding column, a sleeve slidably arranged on the sliding column, a top beam fixed on the sleeve, and a base fixed at the lower end of the sliding column; an externally threaded column is provided on the lower edge of the top beam; a constant torque is provided on the base Wrench, the output end of the constant torque wrench is vertically fixed with an external threaded cone, the other end of the constant torque wrench is fixedly connected to the upper end of a vertically arranged lifting shaft, and the lower end of the lifting shaft can slide through the opening on the base. In the shaft hole, there is a spline mechanism between the lifting shaft and the shaft hole to prevent the rotation of the lifting shaft; a spring is set outside the lifting shaft, one end of the spring is fixedly connected with the base, and the other end is connected with the lower end of the top torque wrench. And it is fixedly connected with the tension sensor for measuring the tension of the spring. The invention is specially used for the detection and inspection of the internal thread casing, has high detection efficiency, good accuracy, and saves manpower and material resources.
Description
technical field [0001] The invention relates to the field of detection and inspection equipment, in particular to a thread detection device for an internally threaded casing. Background technique [0002] During the production process of the internally threaded casing, due to equipment or human reasons, the thread wire inside the internally threaded casing is prone to burrs or breaks, which affects the use and sealing performance of the internally threaded casing. Hidden safety hazards are buried in the high-temperature and high-pressure pipelines. [0003] In order to prevent defective products from flowing to the market, efficient and accurate inspection of the internal thread wires is required during the factory inspection of the internally threaded casing. There is no special inspection tool in the prior art, and it can only rely on manual random inspection, and mainly rely on the experience of inspectors to make judgments through visual inspection. The inspection effic...
Claims
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IPC IPC(8): G01N19/08
CPCG01N19/08
Inventor 李彬
Owner 黑龙江圣辉计量检测技术服务有限公司