Position detection device
A detection device and limit bracket technology, applied in the direction of measurement devices, instruments, etc., can solve the problems of detection failure, block loosening, displacement, detection of original damage failure, etc., to achieve the effect of prolonging the service life
Pending Publication Date: 2021-09-17
LAIWU STEEL YINSHAN SECTION CO LTD
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Problems solved by technology
In some special environments, commonly used detection devices such as proximity switches and travel switches cannot meet the needs of use
For example, on equipment with severe vibration, the detection element or the stopper used with it is prone to loosening and displacement, resulting in detection failure; in a high-temperature and high-humidity environment, the detection element is prone to damage and failure
Method used
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[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] refer to Figure 1 to Figure 11 , figure 1 A schematic diagram of the position detection device provided by the present invention; figure 2 for figure 1 The cross-sectional view of A-A in the middle; im...
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The invention provides a position detection device, which comprises a sliding rod, a lug ring installed at the front end of the sliding rod, a sliding frame arranged outside the sliding rod in a sleeving mode and a limiting bracket installed on the outer wall of the sliding frame, wherein a pressing cover and a sealing piece are arranged at the front end of the sliding frame, a base is arranged at the rear end of the sliding frame, a guide sleeve is arranged in the sliding frame, a limiting contact is installed on the sliding rod, a guide groove is formed in the top of the sliding frame, and the limiting bracket is provided with at least one proximity switch. In the process that the sliding rod moves relative to the sliding frame, the limiting contact can trigger the proximity switches at different positions, detect and send out detection signals to achieve accurate position detection, and due to the fact that the device is independent of the outside and is completely sealed, detection failure or original part damage caused by equipment vibration and environment erosion is effectively avoided, so that the service life is prolonged.
Description
technical field [0001] The present invention relates to the technical field of detection equipment, more specifically, to a position detection device. Background technique [0002] During the operation of many equipment, the moving parts need to be detected to determine whether they are in the rated position, and the detection signal is transmitted to the control system of the equipment to determine the further action requirements of the equipment, and the control system issues equipment action instructions . In some special environments, commonly used detection devices such as proximity switches and travel switches cannot meet the needs of use. For example, on equipment with severe vibration, the detection element or the stopper used with it is prone to loosening and displacement, resulting in detection failure; in a high-temperature and high-humidity environment, the detection element is prone to damage and failure. [0003] In view of this, how to design a detection dev...
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IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 董杰
Owner LAIWU STEEL YINSHAN SECTION CO LTD