阅读说明：本技术 一种阀门控制机构固定装置 (Valve control mechanism fixing device ) 是由 崔晓润 唐琴 张志强 曹希伟 章驰 马惊霄 刘煦 周莉 林信桐 王挺 于 2020-12-30 设计创作，主要内容包括：本发明涉及核电维修技术领域,具体公开了一种阀门控制机构固定装置,在对阀门控制机构进行固定时,通过控制机构支架上的“一”字型开孔将固定装置用螺栓固定在阀门本体上；过滤减压器通过螺栓固定在过滤减压器支架的过滤减压器连接孔内；电磁阀通过螺栓固定在电磁阀支架的横板B上。本发明固定装置可以提高控制机构稳定性,使阀门控制更精准,并可大幅度减少现场工作的制约时间。(The invention relates to the technical field of nuclear power maintenance, and particularly discloses a fixing device for a valve control mechanism, wherein when the valve control mechanism is fixed, the fixing device is fixed on a valve body through a linear opening on a control mechanism bracket; the filtering pressure reducer is fixed in a filtering pressure reducer connecting hole of the filtering pressure reducer bracket through a bolt; the solenoid valve is fixed on a transverse plate B of the solenoid valve bracket through a bolt. The fixing device can improve the stability of the control mechanism, enable the valve to be controlled more accurately and greatly reduce the restriction time of field work.)

1. The utility model provides a valve control mechanism fixing device which characterized in that: comprises a control mechanism bracket (1), a filtering pressure reducer bracket (2) and an electromagnetic valve bracket (3);

the control mechanism support (1) is of a J-shaped three-dimensional metal plate structure and comprises a front panel (1-1), side plates (1-2) and a back plate (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) is connected with the right end of the back panel (1-3) through a side edge plate (1-2); the side boards (1-2) are vertical to the front panel (1-1) and the back panel (1-3);

the front panel (1-1) is provided with oval matrix bolt holes, the center of the side panel (1-2) is provided with flat oval bolt holes, the left part of the rear back panel (1-3) is provided with round matrix bolt holes, and the right part of the rear back panel is provided with a straight-line-shaped opening;

the filtering pressure reducer bracket (2) is a D-shaped metal bracket and comprises a vertical plate A and a transverse plate A;

the transverse plate A is arranged on the lower side surface of the vertical plate A, and the transverse plate A is vertical to the vertical plate A; a support connecting bolt hole A is processed at the upper part of the vertical plate A, and a filtering pressure reducer connecting hole is processed on the transverse plate A;

the electromagnetic valve support (3) is an L-shaped metal support and comprises a vertical plate B and a transverse plate B;

the transverse plate B is arranged on the lower side surface of the vertical plate B, and the transverse plate B is vertical to the vertical plate B; a bracket connecting bolt hole B is processed at the upper part of the vertical plate B, and an electromagnetic valve connecting bolt hole is processed on the transverse plate B;

the bracket connecting bolt holes A of the filter pressure reducer bracket (2) are connected with the circular matrix bolt holes of the back plate (1-3) through bolts, and the bracket connecting bolt holes B of the electromagnetic valve bracket (3) are connected with the flat elliptic bolt holes of the side plates (1-2) through bolts;

when the valve control mechanism is fixed, the fixing device is fixed on the valve body through the straight-line-shaped opening on the control mechanism bracket (1);

the filtering pressure reducer is fixed in a connecting hole of the filtering pressure reducer bracket (2) through a bolt;

the electromagnetic valve is fixed on a transverse plate B of the electromagnetic valve bracket (3) through bolts.

2. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the non-contact type valve position feedback bracket (4) is also included;

the non-contact valve position feedback support (4) is a step-shaped metal support and comprises a vertical plate C, a transverse plate C, a vertical plate D and a transverse plate D which are sequentially connected;

the vertical plate C is parallel to the vertical plate D, the transverse plate C is parallel to the transverse plate D, the vertical plate C is perpendicular to the transverse plate C, and the vertical plate D is perpendicular to the transverse plate D;

the vertical plate C is provided with a support connecting bolt hole C, and the transverse plate D is provided with a magnetic stripe connecting piece bolt hole.

3. A valve control mechanism mounting apparatus as claimed in claim 2, wherein: the magnetic stripe connecting piece bolt hole have three, transversely arrange.

4. A valve control mechanism mounting apparatus as claimed in claim 2, wherein: pass support connection bolt hole C through the bolt and fix non-contact valve position feedback support (4) on the valve rod, the magnetic stripe connecting piece passes through the bolt fastening at magnetic stripe connecting piece bolt hole, and the magnetic stripe is installed on the magnetic stripe connecting piece.

5. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the oval matrix bolt holes are arranged in a 2 x 2 mode.

6. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the circular matrix bolt holes are arranged in a 2 multiplied by 2 mode.

7. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the four support connecting bolt holes A are longitudinally arranged.

8. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the number of the bracket connecting bolt holes B is four, and the four bracket connecting bolt holes B are longitudinally arranged.

9. A valve control mechanism mounting apparatus as claimed in claim 1, wherein: the number of the electromagnetic valve connecting bolt holes is four, and the four electromagnetic valve connecting bolt holes are arranged in a 2 multiplied by 2 mode.

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

Technical Field

The invention belongs to the technical field of nuclear power maintenance, and particularly relates to a valve control mechanism fixing device.

Background

After a small circulation valve control mechanism of the electric main water supply pump system is operated for multiple times to be fully opened/closed, the control mechanism fails. Because the valve is closed in a daily state, after the valve is fully opened, the flow velocity of a medium in a pipeline is increased, the vibration is high, and because the feedback device of the valve is a contact type connecting rod, the valve position feedback drift is easily caused under the condition of high vibration, and the fault occurs.

Therefore, it is desirable to design a reliable valve control mechanism fixing device to solve the above problems.

Disclosure of Invention

The invention aims to provide a valve control mechanism fixing device which can effectively solve the problem of valve position feedback drift caused by large vibration of a control mechanism.

The technical scheme of the invention is as follows:

a valve control mechanism fixing device comprises a control mechanism bracket, a filtering pressure reducer bracket and an electromagnetic valve bracket;

the control mechanism bracket is of a J-shaped three-dimensional metal plate structure and comprises a front panel, side plates and a back plate;

the front panel and the back panel are parallel to each other, and the right end of the front panel is connected with the right end of the back panel through a side edge plate; the side plates are vertical to the front panel and the back plate;

the front panel is provided with oval matrix bolt holes, the center of the side panel is provided with flat oval bolt holes, the left part of the rear back panel is provided with round matrix bolt holes, and the right part of the rear back panel is provided with a straight-line-shaped opening;

the filtering pressure reducer bracket is a D-shaped metal bracket and comprises a vertical plate A and a transverse plate A;

the transverse plate A is arranged on the lower side surface of the vertical plate A, and the transverse plate A is vertical to the vertical plate A; a support connecting bolt hole A is processed at the upper part of the vertical plate A, and a filtering pressure reducer connecting hole is processed on the transverse plate A;

the electromagnetic valve bracket is an L-shaped metal bracket and comprises a vertical plate B and a transverse plate B;

the transverse plate B is arranged on the lower side surface of the vertical plate B, and the transverse plate B is vertical to the vertical plate B; a bracket connecting bolt hole B is processed at the upper part of the vertical plate B, and an electromagnetic valve connecting bolt hole is processed on the transverse plate B;

the bracket connecting bolt holes A of the filter pressure reducer bracket are connected with the circular matrix bolt holes of the back plate through bolts, and the bracket connecting bolt holes B of the electromagnetic valve bracket are connected with the flat elliptic bolt holes of the side plates through bolts;

when the valve control mechanism is fixed, the fixing device is fixed on the valve body through the straight-line-shaped opening on the control mechanism bracket;

the filtering pressure reducer is fixed in a filtering pressure reducer connecting hole of the filtering pressure reducer bracket through a bolt;

the solenoid valve is fixed on a transverse plate B of the solenoid valve bracket through a bolt.

The non-contact type valve position feedback bracket is also included;

the non-contact valve position feedback support is a step-shaped metal support and comprises a vertical plate C, a transverse plate C, a vertical plate D and a transverse plate D which are connected in sequence;

the vertical plate C is parallel to the vertical plate D, the transverse plate C is parallel to the transverse plate D, the vertical plate C is perpendicular to the transverse plate C, and the vertical plate D is perpendicular to the transverse plate D;

the vertical plate C is provided with a support connecting bolt hole C, and the transverse plate D is provided with a magnetic stripe connecting piece bolt hole.

The magnetic stripe connecting piece bolt hole have three, transversely arrange.

Pass support connection bolt hole C through the bolt and fix non-contact valve position feedback support on the valve rod, the magnetic stripe connecting piece passes through the bolt fastening at magnetic stripe connecting piece bolt hole, and the magnetic stripe is installed on the magnetic stripe connecting piece.

The oval matrix bolt holes are arranged in a 2 x 2 mode.

The circular matrix bolt holes are arranged in a 2 multiplied by 2 mode

The four support connecting bolt holes A are longitudinally arranged.

The number of the bracket connecting bolt holes B is four, and the four bracket connecting bolt holes B are longitudinally arranged.

The number of the electromagnetic valve connecting bolt holes is four, and the four electromagnetic valve connecting bolt holes are arranged in a 2 multiplied by 2 mode.

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

The invention has the following remarkable effects:

1) the fixing device can improve the stability of the control mechanism, so that the valve is controlled more accurately, and the fixing device can be popularized and used for valves with larger vibration under the operating condition;

2) the fixing device has simple structure and simple and convenient installation, can greatly reduce the restriction time of field work, and effectively reduces the operation difficulty of maintenance personnel in subsequent maintenance work;

3) the fixing device has the advantages of small volume, easy operation, low cost, high practicability, vibration resistance and difficult damage.

Drawings

FIG. 1 is a schematic view of a control mechanism support;

FIG. 2 is a schematic view of a strainer pressure reducer holder;

FIG. 3 is a schematic view of a solenoid valve bracket;

FIG. 4 is a schematic view of the entire assembly of the fixing device;

FIG. 5 is a schematic view of a non-contact valve position feedback bracket;

fig. 6 is a schematic view of the fixture installation.

In the figure: 1-control mechanism support; 1-1. front panel; 1-2. side edge plates; 1-3. a back panel; 2-filtration pressure reducer support; 3-a solenoid valve bracket; 4-non-contact valve position feedback support.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

A valve control mechanism fixing device comprises a control mechanism support 1, a filtering pressure reducer support 2, an electromagnetic valve support 3 and a non-contact valve position feedback support 4.

As shown in fig. 1, the control mechanism bracket 1 is a J-shaped three-dimensional metal plate structure, and includes a front panel 1-1, side panels 1-2, and a rear 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 is connected with the right end of the back panel 1-3 through a side edge plate 1-2. The side edge plate 1-2 is vertical to the front panel 1-1 and the back panel 1-3.

The front panel 1-1 is provided with oval matrix bolt holes, the center of the side panel 1-2 is provided with flat oval bolt holes, the left part of the rear back panel 1-3 is provided with round matrix bolt holes, and the right part is provided with a straight-line-shaped opening. The oval matrix bolt holes are arranged in a 2 multiplied by 2 mode, and the adjacent intervals are 30 mm; the circular matrix bolt holes are arranged in a 2 multiplied by 2 mode and are adjacent to each other at intervals of 20 mm; the length of the straight-line-shaped opening is 60 mm.

As shown in fig. 2, the filter reducer bracket 2 is a "D" type metal bracket, and includes a vertical plate a and a horizontal plate a. The transverse plate A is arranged on the side surface of the lower part of the vertical plate A, and the transverse plate A is perpendicular to the vertical plate A. A support connecting bolt hole A is processed on the upper portion of the vertical plate A, and a filtering pressure reducer connecting hole is processed on the transverse plate A. The four support connecting bolt holes A are longitudinally arranged and are adjacent to each other at intervals of 20 mm.

As shown in fig. 3, the solenoid valve bracket 3 is an "L" shaped metal bracket, and includes a vertical plate B and a horizontal plate B. The transverse plate B is arranged on the side surface of the lower part of the vertical plate B, and the transverse plate B is vertical to the vertical plate B. And a support connecting bolt hole B is processed at the upper part of the vertical plate B, and an electromagnetic valve connecting bolt hole is processed on the transverse plate B. The four bracket connecting bolt holes B are longitudinally arranged; the solenoid valve connecting bolt holes are four and are arranged in a 2 multiplied by 2 mode.

As shown in fig. 4, the bracket connecting bolt holes a of the filter-reducer bracket 2 are connected with the circular matrix bolt holes of the back plate 1-3 by bolts, and the bracket connecting bolt holes B of the solenoid valve bracket 3 are connected with the flat elliptic bolt holes of the side plate 1-2 by bolts.

As shown in fig. 5, the non-contact valve position feedback bracket 4 is a "step" type metal bracket, and includes a vertical plate C, a horizontal plate C, a vertical plate D, and a horizontal plate D, which are connected in sequence. The vertical plate C and the vertical plate D are parallel to each other, the transverse plate C and the transverse plate D are parallel to each other, the vertical plate C and the transverse plate C are mutually perpendicular, and the vertical plate D and the transverse plate D are mutually perpendicular. The vertical plate C is provided with a support connecting bolt hole C, and the transverse plate D is provided with a magnetic stripe connecting piece bolt hole. The magnetic stripe connecting piece bolt hole have three, transversely arrange, adjacent interval 10 mm.

As shown in fig. 6, when the valve control mechanism is fixed, the fixing device is fixed on the valve body by bolts through the linear opening on the control mechanism bracket 1; the filtering pressure reducer is fixed in a filtering pressure reducer connecting hole of the filtering pressure reducer bracket 2 through a bolt, and the electromagnetic valve is fixed on a transverse plate B of the electromagnetic valve bracket 3 through a bolt; pass support connection bolt hole C through the bolt and fix non-contact valve position feedback support 4 on the valve rod, the magnetic stripe connecting piece passes through the bolt fastening at magnetic stripe connecting piece bolt hole, and the magnetic stripe is installed on the magnetic stripe connecting piece. At the moment, the valve control mechanism fixing device is installed, and finally, the gas source pipeline is connected and the valve is set.

It can be seen through the debugging that, after the valve is opened, the medium velocity of flow is great, the vibration is higher in the pipeline, and this fixing device can effectively reduce control mechanism's vibration range, ensures control mechanism and valve position feedback ware's normal work, guarantees equipment and system safe and reliable's operation.