CN-224229400-U - Pneumatic valve actuating device

CN224229400UCN 224229400 UCN224229400 UCN 224229400UCN-224229400-U

Abstract

The utility model provides a pneumatic valve executing device, and relates to the technical field of valves. The utility model comprises an executing mechanism, a positioner is arranged above the executing mechanism, and a feedback switch is arranged on the side part of the positioner, wherein the feedback switch is an integrated feedback switch, a converter is arranged among the positioner, the feedback switch and the executing mechanism, and the positioner, the feedback switch and the executing mechanism are in transmission connection with the converter. The utility model uses the integrated feedback switch, improves the monitoring precision and reduces the failure rate.

Inventors

WANG CHENGXIANG
GUAN JUN
YOU SHUHUA
LI XUANYI
ZHANG WANBAO
LI YOUZE
CAO XU
XU XIAODONG
Jia Zihong
ZHANG JIE
SHEN HONGHE

Assignees

内蒙古通威硅能源有限公司

Dates

Publication Date: 20260512
Application Date: 20250509

Claims (10)

1. A pneumatic valve actuation device, comprising: An actuator; the locator is arranged above the executing mechanism; the feedback switch is arranged at the side part of the positioner; The feedback switch is an integrated feedback switch, a converter is arranged among the locator, the feedback switch and the actuating mechanism, and the locator, the feedback switch and the actuating mechanism are in transmission connection with the converter.
2. A pneumatic valve actuation device according to claim 1, wherein the transducer comprises a housing, and wherein the connection assemblies are provided between the housing bottom and the actuator, between the housing top and the positioner, and between the housing top and the feedback switch.
3. The pneumatic valve actuation device of claim 2, wherein the connection assembly comprises a first connection plate disposed on the housing, the connection assembly further comprising a second connection plate disposed on the actuator, the positioner, and the feedback switch, the first connection plate being bolted to the second connection plate.
4. The pneumatic valve actuating device according to claim 3, wherein two first connecting plates and two second connecting plates are respectively arranged, the two first connecting plates are arranged in parallel, the two first connecting plates and the two second connecting plates are respectively arranged at the side parts of the two first connecting plates, screw holes are formed in the two first connecting plates, strip-shaped holes matched with the screw holes are formed in corresponding positions on the two second connecting plates, and the strip-shaped holes of the two second connecting plates are respectively connected with the screw holes of the two first connecting plates through bolts.
5. The pneumatic valve actuating device according to claim 2, wherein a first driving wheel and a second driving wheel are rotatably arranged in the shell, the outer diameters of the first driving wheel and the second driving wheel are the same, a synchronous belt is sleeved on the first driving wheel and the second driving wheel, the first driving wheel is in driving connection with the positioner and the actuating mechanism, and the second driving wheel is in driving connection with the feedback switch.
6. The pneumatic valve actuation device of claim 5, wherein the axes of rotation of the first and second drive wheels are vertically disposed, the first drive wheel being in a housing between the actuator and the positioner, the second drive wheel being in a housing below the feedback switch.
7. The pneumatic valve actuation device of claim 6, wherein the housing top is rotatably coupled to a first drive rod coaxially coupled to the first drive wheel, and wherein the positioner bottom is rotatably coupled to a drive rod, and wherein the drive rod is drivingly coupled to the first drive rod via a coupling.
8. The pneumatic valve actuation device of claim 6, wherein the housing top is rotatably coupled to a second drive rod coaxially coupled to the first drive wheel, and wherein the feedback switch bottom is rotatably coupled to a rotating rod, the rotating rod being in driving engagement with the second drive rod.
9. The pneumatic valve actuation device of claim 8, wherein the bottom end of the rotating rod is provided with a bar-shaped clamping bar, and the top end of the second transmission rod is provided with a bar-shaped clamping groove matched with the clamping bar.
10. The pneumatic valve actuation device of claim 6, wherein a third drive rod coaxially connected to the first drive wheel is rotatably connected to the bottom of the housing, and wherein a follower rod is rotatably connected to the top of the actuation mechanism, and wherein the follower rod is drivingly connected to the third drive rod via a coupling.

Description

Pneumatic valve actuating device Technical Field The utility model relates to the technical field of valves, in particular to a pneumatic valve executing device. Background The pneumatic valve feedback switch has the main functions of feeding back signals to the control system by monitoring the actual position or state of the valve so as to realize closed-loop control and safety monitoring in an automatic process, and detecting the opening and closing state of the valve in real time, so that operators can master the actual state of the valve, and the situation that the valve does not execute instructions due to signal delay or faults and cause process interruption or safety accidents is avoided. In the prior art, the pneumatic valve is divided into an angular travel and a straight travel executing mechanism, when the angular travel pneumatic valve needs to be switched into a feedback state, due to structural limitation, only a two-point feedback switch can be installed, the two-point feedback switch has poor precision and higher failure rate, and the integrated feedback switch has high precision and low failure rate compared with the two-point feedback switch, but cannot be installed on the angular travel pneumatic valve at present. Disclosure of utility model The utility model aims to develop a pneumatic valve executing device which uses an integrated feedback switch, improves monitoring precision and reduces failure rate. The utility model is realized by the following technical scheme: a pneumatic valve actuation device comprising: An actuator; the locator is arranged above the executing mechanism; the feedback switch is arranged at the side part of the positioner; The feedback switch is an integrated feedback switch, a converter is arranged among the locator, the feedback switch and the actuating mechanism, and the locator, the feedback switch and the actuating mechanism are in transmission connection with the converter. Optionally, the converter includes the casing, all be equipped with coupling assembling between casing bottom and the actuating mechanism, between casing top and the locator and between casing top and the feedback switch. Optionally, the connecting assembly includes a first connecting plate disposed on the housing, and further includes a second connecting plate disposed on the actuating mechanism, the positioner and the feedback switch, where the first connecting plate is connected with the second connecting plate by a bolt. Optionally, the first connecting plate and the second connecting plate are all equipped with two, two first connecting plate parallel arrangement, two the lateral part of two first connecting plates are located respectively to two complaints and second connecting plate be equipped with the screw on the first connecting plate, two correspond the position on the second connecting plate be equipped with screw complex bar hole, two the bar hole of second connecting plate respectively with two bolted connection between the screw of first connecting plate. Optionally, a first driving wheel and a second driving wheel are rotationally arranged in the shell, the outer diameters of the first driving wheel and the second driving wheel are the same, a synchronous belt is sleeved on the first driving wheel and the second driving wheel, the first driving wheel is in driving connection with the positioner and the executing mechanism, and the second driving wheel is in driving connection with the feedback switch. Optionally, the rotating shafts of the first driving wheel and the second driving wheel are vertically arranged, the first driving wheel is positioned in the shell between the actuating mechanism and the positioner, and the second driving wheel is positioned in the shell below the feedback switch. Optionally, the casing top rotates and is connected with the first transfer line of being connected with first drive wheel coaxial coupling, the locator bottom rotates has the actuating lever, pass through shaft coupling transmission connection between actuating lever and the first transfer line. Optionally, the second transmission rod coaxially connected with the first transmission wheel is rotationally connected to the top of the shell, the rotary rod is rotationally arranged at the bottom of the feedback switch, and the rotary rod is connected with the second transmission rod in a plugging mode to realize transmission connection. Optionally, the bull stick bottom is equipped with banding card strip, second transfer line top is equipped with the banding draw-in groove with card strip complex. Optionally, the bottom of the shell is rotationally connected with a third transmission rod coaxially connected with the first transmission wheel, the top of the actuating mechanism is rotationally provided with a follow-up rod, and the follow-up rod is in transmission connection with the third transmission rod through a coupler. The beneficial effects of the utility model are as follows: T