A valve control mechanism fixing device

Abstract

The present invention relates to the field of nuclear power maintenance technology, and specifically discloses a valve control mechanism fixing device. When fixing the valve control mechanism, the fixing device is fixed to the valve body by bolts through the "I"-shaped opening on the control mechanism bracket; the filter pressure reducer is fixed in the filter pressure reducer connecting hole of the filter pressure reducer bracket by bolts; and the solenoid valve is fixed to the horizontal plate B of the solenoid valve bracket by bolts. The fixing device of the present invention can improve the stability of the control mechanism, make the valve control more accurate, and greatly reduce the constraint time of on-site work.

Description

Technical Field

[0001] The invention belongs to the technical field of nuclear power maintenance, and in particular relates to a valve control mechanism fixing device. Background Art

[0002] The control mechanism of the small circulation valve of the electric main water supply pump system will fail after multiple actions to reach full open / full close. Since the valve is usually closed, after the valve is fully opened, the flow rate of the medium in the pipeline increases and the vibration is high. In addition, because the feedback device of the valve is a contact connecting rod, under the condition of large vibration, it is easy to cause valve position feedback drift and failure.

[0003] Therefore, it is urgent to design a reliable valve control mechanism fixing device to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a valve control mechanism fixing device, which can effectively solve the problem of valve position feedback drift caused by large vibration of the control mechanism.

[0005] The technical solution of the present invention is as follows:

[0006] A valve control mechanism fixing device comprises a control mechanism bracket, a filter pressure reducer bracket, and a solenoid valve bracket;

[0007] The control mechanism bracket is a "J"-shaped three-dimensional metal plate structure, including a front panel, side panels, and a back panel;

[0008] The front panel and the back panel are parallel to each other, and the right end of the front panel is connected to the right end of the back panel through a side panel; the side panel is perpendicular to the front panel and the back panel;

[0009] The front panel is provided with an elliptical matrix bolt hole, the center of the side panel is provided with a flat elliptical bolt hole, the left part of the back panel is provided with a circular matrix bolt hole, and the right part is provided with an "I"-shaped opening;

[0010] The filter pressure reducer bracket is a "D"-shaped metal bracket, including a vertical plate A and a horizontal plate A;

[0011] The horizontal plate A is arranged on the lower side of the vertical plate A, and the horizontal plate A and the vertical plate A are perpendicular to each other; a bracket connecting bolt hole A is processed on the upper part of the vertical plate A, and a filter pressure reducer connecting hole is processed on the horizontal plate A;

[0012] The solenoid valve bracket is an "L"-shaped metal bracket, including a vertical plate B and a horizontal plate B;

[0013] The horizontal plate B is arranged on the lower side of the vertical plate B, and the horizontal plate B and the vertical plate B are perpendicular to each other; a bracket connecting bolt hole B is processed on the upper part of the vertical plate B, and a solenoid valve connecting bolt hole is processed on the horizontal plate B;

[0014] The bracket connecting bolt hole A of the filter pressure reducer bracket is connected to the circular matrix bolt hole of the back plate through bolts, and the bracket connecting bolt hole B of the solenoid valve bracket is connected to the flat oval bolt hole of the side plate through bolts;

[0015] When fixing the valve control mechanism, the fixing device is fixed to the valve body with bolts through the "I"-shaped opening on the control mechanism bracket;

[0016] The filter pressure reducer is fixed in the filter pressure reducer connecting hole of the filter pressure reducer bracket by bolts;

[0017] The solenoid valve is fixed to the cross plate B of the solenoid valve bracket by bolts.

[0018] Also included is a non-contact valve position feedback bracket;

[0019] The non-contact valve position feedback bracket is a "ladder" type metal bracket, including a vertical plate C, a horizontal plate C, a vertical plate D and a horizontal plate D connected in sequence;

[0020] The vertical plates C and D are parallel to each other, the horizontal plates C and D are parallel to each other, the vertical plates C and the horizontal plates C are perpendicular to each other, and the vertical plates D and the horizontal plates D are perpendicular to each other;

[0021] The vertical plate C is processed with a bracket connecting bolt hole C, and the horizontal plate D is processed with a magnetic strip connecting bolt hole.

[0022] The magnetic strip connecting piece has three bolt holes which are arranged transversely.

[0023] The non-contact valve position feedback bracket is fixed to the valve stem by passing bolts through the bracket connecting bolt hole C, the magnetic strip connecting piece is fixed in the bolt hole of the magnetic strip connecting piece by bolts, and the magnetic strip is installed on the magnetic strip connecting piece.

[0024] The elliptical matrix bolt holes are arranged in 2×2.

[0025] The circular matrix bolt holes are arranged in 2×2

[0026] There are four bracket connecting bolt holes A, which are arranged longitudinally.

[0027] There are four bracket connecting bolt holes B, which are arranged longitudinally.

[0028] There are four solenoid valve connecting bolt holes arranged in a 2×2 pattern.

[0029] After the valve control mechanism is fixed, after the valve is opened, the fixing device can effectively reduce the vibration amplitude of the control mechanism, ensure the normal operation of the control mechanism, and ensure the safe and reliable operation of the equipment and system.

[0030] The remarkable effects of the present invention are:

[0031] 1) The fixing device of the present invention can improve the stability of the control mechanism and make the valve control more precise. It can be widely used for valves with large vibration in the operating conditions;

[0032] 2) The fixing device of the present invention has a simple structure and is easy to install, which can greatly reduce the time constraints of on-site work and effectively reduce the operating difficulty of maintenance personnel in subsequent maintenance work;

[0033] 3) The fixing device of the present invention is small in size, easy to operate, low in cost, highly practical, vibration-resistant, and not prone to damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the control mechanism bracket;

[0035] Figure 2 This is a schematic diagram of the filter pressure reducer bracket;

[0036] Figure 3 This is a schematic diagram of the solenoid valve bracket;

[0037] Figure 4 This is a schematic diagram of the overall assembly of the fixing device;

[0038] Figure 5 This is a schematic diagram of a non-contact valve position feedback bracket;

[0039] Figure 6 This is a schematic diagram of the fixture installation.

[0040] In the figure: 1-control mechanism bracket; 1-1. front panel; 1-2. side panel; 1-3. back panel; 2-filter pressure reducer bracket; 3-solenoid valve bracket; 4-non-contact valve position feedback bracket. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0042] A valve control mechanism fixing device comprises a control mechanism bracket 1, a filter pressure reducer bracket 2, a solenoid valve bracket 3, and a non-contact valve position feedback bracket 4.

[0043] like Figure 1 As shown, the control mechanism bracket 1 is a "J"-shaped three-dimensional metal plate structure, including a front panel 1-1, side panels 1-2, and a back panel 1-3.

[0044] The front panel 1-1 and the back panel 1-3 are parallel to each other, and the right end of the front panel 1-1 is connected to the right end of the back panel 1-3 through the side panel 1-2. The side panel 1-2 is perpendicular to the front panel 1-1 and the back panel 1-3.

[0045] The front panel 1-1 is provided with an elliptical matrix bolt hole, the side panel 1-2 is provided with a flat elliptical bolt hole at the center, the left side of the back panel 1-3 is provided with a circular matrix bolt hole, and the right side is provided with a "I" shaped opening. The elliptical matrix bolt holes are arranged in 2×2, with adjacent intervals of 30mm; the circular matrix bolt holes are arranged in 2×2, with adjacent intervals of 20mm; the "I" shaped opening is 60mm long.

[0046] like Figure 2 As shown, the filter pressure reducer bracket 2 is a "D"-shaped metal bracket, including a vertical plate A and a horizontal plate A. The horizontal plate A is arranged on the lower side of the vertical plate A, and the horizontal plate A and the vertical plate A are perpendicular to each other. A bracket connection bolt hole A is processed on the upper part of the vertical plate A, and a filter pressure reducer connection hole is processed on the horizontal plate A. There are four bracket connection bolt holes A, which are arranged longitudinally and are spaced 20 mm apart from each other.

[0047] like Figure 3 As shown, the solenoid valve bracket 3 is an "L"-shaped metal bracket, including a vertical plate B and a horizontal plate B. The horizontal plate B is arranged on the lower side of the vertical plate B, and the horizontal plate B and the vertical plate B are perpendicular to each other. The bracket connection bolt hole B is processed on the upper part of the vertical plate B, and the solenoid valve connection bolt hole is processed on the horizontal plate B. There are four bracket connection bolt holes B, which are arranged longitudinally; there are four solenoid valve connection bolt holes, which are arranged in 2×2.

[0048] like Figure 4 As shown, the bracket connecting bolt hole A of the filter pressure reducer bracket 2 is connected to the circular matrix bolt hole of the back plate 1-3 through bolts, and the bracket connecting bolt hole B of the solenoid valve bracket 3 is connected to the flat elliptical bolt hole of the side plate 1-2 through bolts.

[0049] like Figure 5 As shown, the non-contact valve position feedback bracket 4 is a "ladder" type metal bracket, including a vertical plate C, a horizontal plate C, a vertical plate D and a horizontal plate D connected in sequence. The vertical plate C and the vertical plate D are parallel to each other, the horizontal plate C and the horizontal plate D are parallel to each other, the vertical plate C and the horizontal plate C are perpendicular to each other, and the vertical plate D and the horizontal plate D are perpendicular to each other. The bracket connection bolt hole C is processed on the vertical plate C, and the magnetic strip connector bolt hole is processed on the horizontal plate D. There are three bolt holes for the magnetic strip connector, which are arranged horizontally and spaced 10 mm apart from each other.

[0050] like Figure 6As shown, when fixing the valve control mechanism, the fixing device is bolted to the valve body through the "I"-shaped opening on the control mechanism bracket 1; the filter reducer is bolted to the filter reducer connection hole of the filter reducer bracket 2, and the solenoid valve is bolted to the horizontal plate B of the solenoid valve bracket 3; the non-contact valve position feedback bracket 4 is fixed to the valve stem through the bolt passing through the bracket connection bolt hole C, the magnetic strip connector is bolted to the magnetic strip connector bolt hole, and the magnetic strip is installed on the magnetic strip connector. At this time, the valve control mechanism fixing device is installed, and finally the gas source pipeline is connected, and the valve can be adjusted.

[0051] Through debugging, it can be seen that after the valve is opened, the flow rate of the medium in the pipeline is large and the vibration is high. The fixing device can effectively reduce the vibration amplitude of the control mechanism, ensure the normal operation of the control mechanism and the valve position feedback device, and ensure the safe and reliable operation of the equipment and system.

Claims

1. A valve control mechanism fixing device, characterized in that: It comprises a control mechanism bracket (1), a filter pressure reducer bracket (2), and a solenoid valve bracket (3); The control mechanism bracket (1) is a "J"-shaped three-dimensional metal plate structure, comprising a front panel (1-1), side panels (1-2), and a back panel (1-3); The front panel (1-1) and the back panel (1-3) are parallel to each other, and the right end of the front panel (1-1) and the right end of the back panel (1-3) are connected via the side panel (1-2); the side panel (1-2) is perpendicular to the front panel (1-1) and the back panel (1-3); The front panel (1-1) is provided with an elliptical matrix bolt hole, the side panel (1-2) is provided with a flat elliptical bolt hole at the center, the left side of the back panel (1-3) is provided with a circular matrix bolt hole, and the right side is provided with a "I"-shaped opening; The filter pressure reducer bracket (2) is a "D"-shaped metal bracket, comprising a vertical plate A and a horizontal plate A; The horizontal plate A is arranged on the lower side of the vertical plate A, and the horizontal plate A and the vertical plate A are perpendicular to each other; a bracket connecting bolt hole A is processed on the upper part of the vertical plate A, and a filter pressure reducer connecting hole is processed on the horizontal plate A; The solenoid valve bracket (3) is an "L"-shaped metal bracket, comprising a vertical plate B and a horizontal plate B; The horizontal plate B is arranged on the lower side of the vertical plate B, and the horizontal plate B and the vertical plate B are perpendicular to each other; a bracket connecting bolt hole B is processed on the upper part of the vertical plate B, and a solenoid valve connecting bolt hole is processed on the horizontal plate B; The bracket connecting bolt hole A of the filter pressure reducer bracket (2) is connected to the circular matrix bolt hole of the back plate (1-3) through bolts, and the bracket connecting bolt hole B of the solenoid valve bracket (3) is connected to the flat elliptical bolt hole of the side plate (1-2) through bolts; When fixing the valve control mechanism, the fixing device is fixed to the valve body by bolts through the "I"-shaped opening on the control mechanism bracket (1); The filter pressure reducer is fixed in the filter pressure reducer connection hole of the filter pressure reducer bracket (2) by means of bolts; The solenoid valve is fixed to the transverse plate B of the solenoid valve bracket (3) by means of bolts.

2. A valve control mechanism fixing device as claimed in claim 1, characterized in that: Also included is a non-contact valve position feedback bracket (4); The non-contact valve position feedback bracket (4) is a "ladder" type metal bracket, comprising a vertical plate C, a horizontal plate C, a vertical plate D and a horizontal plate D connected in sequence; The vertical plates C and D are parallel to each other, the horizontal plates C and D are parallel to each other, the vertical plates C and the horizontal plates C are perpendicular to each other, and the vertical plates D and the horizontal plates D are perpendicular to each other; The vertical plate C is processed with a bracket connecting bolt hole C, and the horizontal plate D is processed with a magnetic strip connecting bolt hole.

3. A valve control mechanism fixing device as claimed in claim 2, characterized in that: The magnetic strip connecting piece has three bolt holes which are arranged transversely.

4. A valve control mechanism fixing device as claimed in claim 2, characterized in that: The non-contact valve position feedback bracket (4) is fixed to the valve stem by passing bolts through the bracket connection bolt hole C, the magnetic strip connecting piece is fixed in the magnetic strip connecting piece bolt hole by bolts, and the magnetic strip is installed on the magnetic strip connecting piece.

5. A valve control mechanism fixing device as claimed in claim 1, characterized in that: The elliptical matrix bolt holes are arranged in 2×2.

6. A valve control mechanism fixing device as claimed in claim 1, characterized in that: The circular matrix bolt holes are arranged in 2×2.

7. A valve control mechanism fixing device as claimed in claim 1, characterized in that: There are four bracket connecting bolt holes A, which are arranged longitudinally.

8. A valve control mechanism fixing device as claimed in claim 1, characterized in that: There are four bracket connecting bolt holes B, which are arranged longitudinally.

9. A valve control mechanism fixing device as claimed in claim 1, characterized in that: There are four solenoid valve connecting bolt holes arranged in a 2×2 pattern.

10. A valve control mechanism fixing device according to any one of claims 1 to 9, characterized in that: After the valve control mechanism is fixed, after the valve is opened, the fixing device can effectively reduce the vibration amplitude of the control mechanism, ensure the normal operation of the control mechanism, and ensure the safe and reliable operation of the equipment and system.

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