CN220622903U - Valve position control device additionally arranged on electric switch valve - Google Patents

Abstract

The utility model discloses a valve position control device additionally arranged on an electric switch valve, which relates to the technical field of flue valves and comprises a mounting frame fixedly arranged on a sealing shaft cover, wherein the upper end of the mounting frame is provided with an angle sensor connected with a central control room, and the lower end of a rotating shaft of the angle sensor is spliced with a limiting groove arranged at the axle center of the end part of the exposed rotating shaft. The valve position control device is composed of the angle sensor connected with the central control room and the mounting frame, the angle sensor can feed back the rotating angle of the rotating shaft to the central control room, and a controller can control the working state of the motor through the rotating angle condition so as to control and adjust the opening and closing degree of the valve.

Description

Valve position control device additionally arranged on electric switch valve

Technical Field

The utility model relates to the technical field of flue valves, in particular to a valve position control device additionally arranged on an electric switch valve.

Background

The electric valve is a switch arranged on the pipeline. The electric valve can be divided into a switching valve and a regulating valve according to the production requirement. Compared with the regulating valve, the switch valve has the advantages of low equipment cost, convenient maintenance and the like. The disadvantage is that only the valve switch can be controlled, and the valve position travel cannot be adjusted. The valve that installs on the flue gas pipeline of present sulphuric acid factory conversion district mostly is electronic ooff valve (referring to the fig. 1-2, electronic ooff valve is including setting up the board 2 that opens and shuts in pipeline 1 inner chamber, and the board 2 that opens and shuts is installed on the rotation axis 5, and the both ends of rotation axis 5 all run through and be provided with installation tube 3 on the pipeline 1 outer wall, the last bolt fastening of installation tube 3 has sealed bearing 4, the lower extreme of rotation axis 5 passes through shaft connector and motor output shaft. Because of the technological requirement, the gas temperature needs to be controlled, and the valve switching degree needs to be adjusted to improve the gas conversion rate. To solve this problem, feedback control plate is required to be added, but the control plate has high cost (about 23000 yuan), so the application provides a valve position control device added on an electric switch valve to meet the requirement.

Disclosure of Invention

The utility model aims at providing a install valve position controlling means on electric switch valve additional, constitute valve position controlling means by angle sensor and the mounting bracket that are connected with the central control room, angle sensor can feed back the pivoted angle of rotation axis to the central control room, thereby the operating condition of control personnel accessible rotation angle condition control motor control regulation valve switching degree compares and installs expensive feedback control platemaking additional, and this valve position controlling means cost is lower.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an install valve position controlling means on electric switch valve additional, includes the mounting bracket of fixed mounting on sealed scroll cover, the angle sensor who is connected with the central control room is installed to the upper end of mounting bracket, the lower extreme of angle sensor's pivot is pegged graft with the spacing recess that exposes in outer rotation axis tip axle center department setting, the mounting bracket include with the collar of sealed scroll cover adaptation, the collar upper end rotation is provided with the bull stick, just the upper end of bull stick is fixed with the riser, the left side of riser sets up the diaphragm, be provided with on the diaphragm and allow the through-hole that the pivot passed through, just the upper end of diaphragm is fixed with a plurality of fixing screw, a plurality of all use the center of through-hole is the circumference range, corresponding a plurality of arc through-hole has been seted up on the mounting disc of angle sensor, rotate on the riser and be connected with adjusting screw, just the left end threaded connection of adjusting screw is in the screw thread intracavity of diaphragm, fixedly on the riser is provided with the bull stick, just the left end is in the movable column setting.

Preferably, the number of the arc-shaped through holes is two, and the number of the corresponding fixing screws is two.

Preferably, the lower end of the rotating rod is detachably mounted on the mounting ring.

Preferably, a plurality of grooves are formed in the lower end of the mounting plate, and permanent magnets are mounted in the grooves.

Preferably, the mounting plate is made of a magnetism isolating material.

In summary, the utility model has the technical effects and advantages that:

the utility model has reasonable structure, the valve position control device is formed by the angle sensor and the mounting frame which are connected with the central control room, the angle sensor can feed back the rotating angle of the rotating shaft to the central control room, and the control personnel can control the working state of the motor according to the rotating angle condition so as to control and adjust the switching degree of the valve;

in the utility model, the rotating connection of the vertical plate and the fixed ring and the transverse movement of the transverse plate driven by the adjusting screw are both favorable for the accurate plug-in connection of the rotating shaft and the limiting groove, and meanwhile, the valve position control device is also suitable for the installation of rotating shafts with different diameters, and the arrangement of the arc-shaped through holes is favorable for the plug-in connection of the rotating shaft and the limiting groove.

According to the utility model, the number of the arc-shaped through holes is two, the number of the corresponding fixing screws is two, a good fixing effect is formed on the angle sensor, and meanwhile, the arrangement of the two arc-shaped through holes is beneficial to the design of the arc-shaped through holes on the mounting plate, so that the angle sensor has a larger rotation range, and the insertion connection of the rotating shaft and the limiting groove is facilitated;

according to the utility model, the sealing shaft cover and the mounting ring are fixedly mounted with the mounting pipe by using the bolts, so that the threaded connection mounting of single components one by one can be avoided, the mounting steps can be reduced, and the assembly efficiency can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a split view of the mounting bracket and seal shaft cover of FIG. 2 in accordance with the present utility model;

fig. 4 is a schematic view showing a bottom view of the angle sensor of fig. 2 according to the present utility model.

In the figure: 1. a pipe; 2. an opening plate; 3. installing a pipe; 4. sealing the shaft cover; 5. a rotation shaft; 6. a mounting frame; 61. a mounting ring; 62. a riser; 63. a cross plate; 64. a fixed screw; 65. a rotating rod; 7. an angle sensor; 8. adjusting a screw; 9. a limit column; 10. a mounting plate; 11. an arc-shaped through hole; 12. a permanent magnet; 13. a rotating shaft; 14. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, a valve position control device additionally mounted on an electric switch valve comprises a mounting frame 6 fixedly mounted on a sealing shaft cover 4, an angle sensor 7 connected with a central control room is mounted at the upper end of the mounting frame 6, the lower end of a rotating shaft 13 of the angle sensor 7 is spliced with a limit groove 14 arranged at the axial center of the end part of an exposed rotating shaft 5, the mounting frame 6 comprises a mounting ring 61 matched with the sealing shaft cover 4, a rotating rod 65 is rotatably arranged at the upper end of the mounting ring 61, a vertical plate 62 is fixedly arranged at the upper end of the rotating rod 65, a transverse plate 63 is arranged at the left side of the vertical plate 62, a through hole allowing the rotating shaft 13 to pass through is formed in the transverse plate 63, a plurality of fixing screws 64 are fixedly arranged at the upper end of the transverse plate 63, the plurality of fixing screws 64 are all circumferentially arrayed by taking the center of the through hole as the axial center, a plurality of arc through holes 11 are formed in a mounting disc 10 of the corresponding angle sensor 7, an adjusting screw 8 is rotatably connected to the mounting disc 62, the left end of the adjusting screw 8 is in a threaded cavity of the transverse plate 63, the vertical plate 62 is fixedly provided with a rotating rod 65, a through hole 9 is fixedly arranged at the left end of the vertical plate 62, and a limit post 9 is arranged at the limit post 9 in the sliding position of the movable post 63.

Because the angle sensor 7 and the mounting frame 6 connected with the central control room form a valve position control device, the rotation of the rotating shaft 5 drives the rotating shaft 13 to rotate, the angle sensor 7 can feed back the rotating angle of the rotating shaft 5 (driven by the motor) to the central control room, and a control person can control the working state of the motor (namely, the on-off of the motor current) through the received rotating angle condition so as to control and adjust the switching degree of the valve, the valve position control device can be accurately adjusted, and compared with the valve position control device with expensive feedback control plate, the valve position control device has lower cost. When the installation is carried out, the sealing shaft cover 4 and the mounting ring 61 are fixedly mounted with the mounting tube 3 together by utilizing bolts (when the whole electric switch valve is assembled, the threaded connection mounting of single components one by one can be avoided, the mounting step can be reduced, the assembly efficiency is improved), after the assembly is finished, the adjusting screw 8 can be rotated, the transverse plate 63 transversely moves and is matched with the transverse plate 63 to ensure that the positions of the through holes and the limit grooves 14 are consistent, the angle sensor 7 is placed on the transverse plate 63, the fixing screw 64 passes through the corresponding arc-shaped through holes 11 and simultaneously inserts the rotating shaft 13 into the limit grooves 14, the threaded connection of the nuts and the fixing screw 64 is utilized to realize the fixation of the angle sensor 7 and the transverse plate 63, the rotating connection of the vertical plate 62 and the fixing ring 61 and the transverse movement of the adjusting screw 8 to drive the transverse plate 63 are both beneficial to the accurate insertion connection of the rotating shaft 13 and the limit grooves 14, and simultaneously the setting of the arc-shaped through holes 11 of the control device is suitable for the installation of the rotating shaft 13 with different diameters, the angle sensor 7 can be rotated within a certain range, the rotating shaft 13 is enabled to be consistent with the positions of the grooves 13 and the limit grooves 13 through the rotating angle sensor 7, and the position of the rotating shaft 13 is beneficial to completing the insertion connection and the limit grooves.

In this embodiment, as shown in fig. 4, the number of the arc through holes 11 is two, the number of the corresponding fixing screws 64 is two, the angle sensor 7 is fixedly connected with the transverse plate 63 through the cooperation of the two fixing screws 64 and the two nuts, so that a good fixing effect is achieved, and meanwhile, the two arc through holes 11 are beneficial to the design of the arc through holes 11 on the mounting plate 10, so that the angle sensor 7 has a larger rotation range, and the insertion connection of the rotating shaft 13 and the limiting groove 14 is facilitated.

In this embodiment, as shown in fig. 3, the lower end of the rotating rod 65 is detachably mounted on the mounting ring 6, and for the sealing shaft covers 4 with different diameters, the mounting ring 6 with different specifications can be replaced to be mounted in an adapting manner, so that the application range of the mounting frame 6 can be enlarged, and the cost can be saved.

In this embodiment, as shown in fig. 4, a plurality of grooves are formed at the lower end of the mounting plate 10, and permanent magnets 12 are mounted in the grooves, so that the mounting plate is fixedly mounted with the transverse plate 63 through the magnetic action of the permanent magnets 12, the fixing screw 64 and the nut form first fixation, the permanent magnets 12 are magnetically fixed to form second fixation, and the fixing effect of the angle sensor 7 is improved.

As a preferred implementation of this embodiment, the mounting plate 10 is made of a magnetic isolation material, which can isolate the magnetism of the permanent magnet 12 and avoid affecting the electrical components inside the angle sensor 7.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. A valve position control device additionally arranged on an electric switch valve, which is characterized in that: including mounting bracket (6) of fixed mounting on sealed shaft cap (4), angle sensor (7) of being connected with the central control room are installed to the upper end of mounting bracket (6), the lower extreme of pivot (13) of angle sensor (7) is pegged graft with limit groove (14) that exposes in outer rotation axis (5) tip axle center department setting, mounting bracket (6) include with collar (61) of sealed shaft cap (4) adaptation, collar (61) upper end rotation is provided with bull stick (65), just the upper end of bull stick (65) is fixed with riser (62), the left side of riser (62) is provided with diaphragm (63), be provided with on diaphragm (63) and allow pivot (13) pass through the through-hole, just the upper end of diaphragm (63) is fixed with a plurality of fixing screw (64), a plurality of fixing screw (64) all use the center of through-hole is the circumference range, corresponding install dish (10) of angle sensor (7) are provided with riser (62), the screw thread connection (8) is seted up in the left side of riser (62) is provided with on the screw (8), and the left end of the limiting column (9) is arranged in the movable cavity of the transverse plate (63) in a sliding way.

2. A valve position control apparatus attached to an electrically operated switching valve as set forth in claim 1, wherein: the number of the arc-shaped through holes (11) is two, and the number of the corresponding fixing screws (64) is two.

3. A valve position control apparatus attached to an electrically operated switching valve as set forth in claim 1, wherein: the lower end of the rotating rod (65) is detachably arranged on the mounting ring (61).

4. A valve position control apparatus attached to an electrically operated switching valve as set forth in claim 1, wherein: the lower end of the mounting plate (10) is provided with a plurality of grooves, and permanent magnets (12) are arranged in the grooves.

5. A valve position control device for attachment to an electrically operated valve as defined in claim 4, wherein: the mounting plate (10) is made of a magnetism isolating material.