Laser control pneumatic ball valve opening locating device
A positioning device, pneumatic technology, applied in the direction of valve device, valve operation/release device, cock including cut-off device, etc., can solve the problems affecting the stability and service life of the valve body and valve stem, control accuracy and reliability low performance, applicability and practicability, etc., to achieve the effect of strong control stability, reliability, simple structure and good applicability
Active Publication Date: 2015-09-02
WEITENG VALVE CO LTD
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Problems solved by technology
[0002] With the gradual maturity of ball valve and butterfly valve technology, most of the ball valves and butterfly valves in the prior art are manually controlled, and the control accuracy and reliability are low, and the valve running speed of the existing technology is relatively unstable during operation. , the impact and vibration of the valve stem are relatively large, so it will also affect the stability and service life of the valve body and valve stem to a certain extent, and the applicability and practicability will be affected.
Method used
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Embodiment 1
[0016] figure 1 and figure 2 A specific embodiment of the invention is shown in which figure 1 It is a structural schematic diagram of the present invention; figure 2 It is the schematic circuit diagram of the present invention.
[0017] See figure 1 and figure 2 , a laser-controlled pneumatic ball valve opening and positioning device, including a valve body 1, a valve core 2 and a valve stem 3, a valve turntable 4 is arranged on the top of the valve stem 3, and a positioning electromagnetic is arranged on the valve turntable 4 Iron 5 and electric brake 6, between the valve stem 3 and the valve body 1 are provided with a fixed plate 7 and a valve stem turntable 8, the valve stem turntable 8 is fixedly connected with the valve stem 3, and A photoelectric control cavity 9 is provided between the valve stem turntable 7 and the valve body 1, and a photosensitive element 9, a relay normally open contact 10 and an infrared laser emitter 11 are arranged in the photoelectric c...
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The invention discloses a laser control pneumatic ball valve opening locating device. The laser control pneumatic ball valve opening locating device comprises a valve body, a valve spool and a valve rod, wherein the top portion of the valve rod is provided with a valve rotary disc, the valve rotary disc is provided with a locating electromagnet and an energizing brake, a fixed disc and a valve rod rotary disc are arranged between the valve rod and the valve body, a photoelectric control chamber is arranged between the valve rod rotary disc and the valve body, a photosensitive element, a relay normally-open contact and an infrared laser transmitter are arranged in the photoelectric control chamber, a control air cylinder is further provided, the outer side of the valve body is further provided with a control chamber in signal connection with the photoelectric control chamber, and a manual controller, a relay coil matched with the relay normally-open contact and an inflating and deflating control circuit used for inflating from the two ends of the control air cylinder. The laser control pneumatic ball valve opening locating device has the advantages that the structure is simple, the control stability is good, the impact and vibration of the valve rod can be effectively avoided, the control accuracy is high, the control stability and reliability are strong, the accurate locking and locating of the valve opening angle is realized, the applicability is good and the practicability is strong.
Description
technical field [0001] The invention belongs to the technical field of valve body control devices, and in particular relates to a laser-controlled pneumatic ball valve opening and positioning device. Background technique [0002] With the gradual maturity of ball valve and butterfly valve technology, most of the ball valves and butterfly valves in the prior art are manually controlled, and the control accuracy and reliability are low, and the valve running speed of the existing technology is relatively unstable during operation. , The impact and vibration of the valve stem are relatively large, so the stability and service life of the valve body and valve stem will also be affected to a certain extent, and the applicability and practicability will be affected. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a laser-controlled pneumatic ball valve opening and positioning device with simple structure, good sta...
Claims
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IPC IPC(8): F16K31/06F16K31/122F16K5/06
CPCF16K5/06F16K31/0644F16K31/0675
Inventor 王汉光顾玉海
Owner WEITENG VALVE CO LTD