CN219712507U - Nuclear power plant air valve fixed opening indicator - Google Patents
Nuclear power plant air valve fixed opening indicator Download PDFInfo
- Publication number
- CN219712507U CN219712507U CN202321007887.8U CN202321007887U CN219712507U CN 219712507 U CN219712507 U CN 219712507U CN 202321007887 U CN202321007887 U CN 202321007887U CN 219712507 U CN219712507 U CN 219712507U
- Authority
- CN
- China
- Prior art keywords
- opening
- indicator
- power plant
- nuclear power
- air valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003292 glue Substances 0.000 claims description 13
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a fixed opening indicator of a nuclear power plant air valve, which comprises an indicator main body, an opening indicating disc, an opening pointer, a locking mechanism and a linkage mechanism, wherein the opening indicating disc is arranged on the surface of the indicator main body, the opening pointer is connected with the air valve through the indicator main body and indicates the numerical value of the fixed opening of the nuclear power plant air valve on the opening indicating disc, the locking mechanism is connected with the opening pointer to fix the position of the opening pointer, and the linkage mechanism comprises a linkage part connected with the opening pointer, an elastic part and a driven part connected with the linkage part. The nuclear power plant air valve fixed opening indicator is simple in structure, low in manufacturing cost and good in adaptability, can be suitable for most of air valve adjusting air valves of the ventilation system, effectively manages the air valve prefabricated opening in an undefined manner in actual use, and can clearly determine the air valve prefabricated opening of the ventilation system of the nuclear power plant, so that disorder is avoided.
Description
Technical Field
The utility model relates to the field of ventilation systems of nuclear power plants, in particular to a fixed opening indicator of a blast gate of a nuclear power plant.
Background
In a ventilation system of a nuclear power plant, an adjusting air valve is an indispensable component of a ventilation pipeline system, is commonly used for adjusting the air quantity of an air outlet end and an air inlet end of the ventilation pipeline, or is used for adjusting the air quantity of each node of the ventilation pipeline system, and the types of the adjusting air valves at different parts of the ventilation pipeline are different. The prefabricated opening degree of the ventilation system adjusting air valve of the current nuclear power plant is not clear, and in a nuclear power plant unit, the ventilation system adjusting air valve is easy to deviate in a vibration environment of a long-term ventilation pipeline, and effective management measures are lacked.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a fixed opening indicator of a nuclear power plant air valve.
The technical scheme adopted for solving the technical problems is as follows: constructing a fixed opening indicator of a nuclear power plant air valve, which comprises an indicator main body, an opening indicating disc, an opening pointer, a locking mechanism and a linkage mechanism;
the opening indicating disc is arranged on the surface of the indicator main body, the opening pointer is connected with the air valve through the indicator main body, and the opening indicating disc indicates the numerical value of the fixed opening of the air valve of the nuclear power plant;
the locking mechanism is connected with the opening pointer to fix the position of the opening pointer;
the linkage mechanism comprises a linkage piece connected with the opening pointer, an elastic piece and a driven piece connected with the linkage piece, one end of the elastic piece is connected with the indicator main body, and the other end of the elastic piece is fixedly connected with the linkage piece;
the driven piece is abutted with the valve rod of the air valve, so that the linkage mechanism is driven to move when the valve rod rotates, and the opening pointer is enabled to rotate.
In some embodiments, the indicator body is a plate-like structure made of stainless steel material.
In some embodiments, the indicator body is rectangular, circular, or oval.
In some embodiments, the indicator for the fixed opening degree of the air valve of the nuclear power plant further comprises a display module which is arranged on the indicator main body and used for displaying the label and the opening degree number.
In some embodiments, the opening indicating disc is provided with an opening score line, and the display range of the opening score line is 0 ° to 90 °.
In some embodiments, the locking mechanism comprises a lock nut that is triangular, rectangular, or star-shaped.
In some embodiments, the nuclear power plant damper fixed opening indicator further includes a knob portion, the opening pointer being rotatably connected with the knob portion.
In some embodiments, a limiting groove for limiting the opening pointer is further formed in the knob portion.
In some embodiments, an adhesive layer for adhering and fixing the valve fixed opening indicator of the nuclear power plant is arranged on one side of the indicator main body, which faces away from the opening indication disc.
In some embodiments, the adhesive layer is made of glue, which is 3M glue or UV glue.
The implementation of the utility model has the following beneficial effects: the nuclear power plant air valve fixed opening indicator comprises an indicator main body, an opening indicating disc, an opening pointer, a locking mechanism and a linkage mechanism, wherein the opening indicating disc is arranged on the surface of the indicator main body, the opening pointer is connected with the air valve through the indicator main body and indicates the numerical value of the fixed opening of the nuclear power plant air valve on the opening indicating disc, the locking mechanism is connected with the opening pointer to fix the position of the opening pointer, and the linkage mechanism comprises a linkage piece connected with the opening pointer, an elastic piece and a driven piece connected with the linkage piece. The nuclear power plant air valve fixed opening indicator is simple in structure, low in manufacturing cost and good in adaptability, can be suitable for most of air valve adjusting air valves of the ventilation system, effectively manages the air valve prefabricated opening in an undefined manner in actual use, and can clearly determine the air valve prefabricated opening of the ventilation system of the nuclear power plant, so that disorder is avoided.
Drawings
In order to more clearly illustrate the technical solution of the present utility model, the following description will be given with reference to the accompanying drawings and examples, it being understood that the following drawings only illustrate some examples of the present utility model and should not be construed as limiting the scope, and that other related drawings can be obtained from these drawings by those skilled in the art without the inventive effort. In the accompanying drawings:
FIG. 1 is a schematic top view of a fixed opening indicator for a nuclear power plant damper in accordance with some embodiments of the present utility model;
fig. 2 is a schematic side view of a fixed opening indicator of a damper of a nuclear power plant according to some embodiments of the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Please refer to fig. 1 and fig. 2, which are a fixed opening indicator for a nuclear power plant air valve in some embodiments of the present utility model, which can intuitively manage the prefabricated opening of the air valve, and clearly determine the prefabricated opening of the air valve of the ventilation system of the nuclear power plant, so as to avoid disorder. The fixed opening indicator of the nuclear power plant air valve comprises an indicator main body 1, an opening indicating disc 2, an opening pointer 3, a locking mechanism 4 and a linkage mechanism 5, wherein the opening indicating disc 2 is arranged on the surface of the indicator main body 1, the opening pointer 3 is connected with the air valve through the indicator main body 1 and indicates the numerical value of the fixed opening of the nuclear power plant air valve on the opening indicating disc 2, the locking mechanism 4 is connected with the opening pointer 3 to fix the position of the opening pointer 3, the linkage mechanism 5 comprises a linkage piece 51 connected with the opening pointer 3, an elastic piece 52 and a driven piece 53 connected with the linkage piece 51, the driven piece 53 is abutted with a valve rod of the air valve to drive the linkage mechanism 5 to move when the valve rod rotates, so that the opening pointer 3 rotates, the driven piece 53 can be connected with the linkage piece 51 through a fastener, the driven piece 53 can be replaced according to air valves of different shapes and specifications, and applicability is improved. One end of the elastic member 52 is connected to the indicator body 1, and the other end is fixedly connected to the linkage member 51, so as to provide an elastic force for maintaining the initial position of the linkage member 51, and the elastic member 52 is preferably a spring.
It can be understood that the nuclear power plant air valve fixed opening indicator has simple structure and good adaptability, and can simply and reliably realize the management of the prefabricated opening of the air valve of the ventilation system of the nuclear power plant.
The indicator body 1 has a plate-like structure made of stainless steel. The stainless steel material has higher strength and hardness, is heat-resistant, high-temperature-resistant and good in corrosion resistance, and can adapt to severe environments on site. In other embodiments, the indicator body 1 may be made of aluminum alloy, carbon steel, hard plastic or other materials that meet the requirements, which is not limited in particular.
Further, the indicator body 1 has a rectangular, circular or oval shape. In this embodiment, the indicator body 1 is a rectangular shape with a length of 90mm and a width of 60mm, and in other embodiments, the indicator body 1 may be polygonal, triangular or other shapes, depending on the field design.
In some embodiments, the fixed opening indicator of the air valve of the nuclear power plant further comprises a display module 7 which is arranged on the indicator main body 1 and used for displaying labels and opening numbers, so that staff can fill specification labels of the air valve and values to be opened in the display module 7 conveniently, an opening dividing line 21 is further arranged on the opening indicating disc 2, the display range of the opening dividing line 21 is 0-90 degrees, and the fixed opening indicator of the air valve of the nuclear power plant has two indication functions of numbers and mechanical opening simultaneously, so that display is clearer.
The locking mechanism 4 comprises a locking nut which is triangular, rectangular or star-shaped. In the present embodiment, the locking mechanism 4 is configured as a triangular nut, and only the device operator can perform adjustment locking by using a special key, so as to prevent other personnel from touching by mistake or the opening pointer 3 from rotating in a vibration environment. In other embodiments, the lock nut may be shaped in other special ways, as long as the operator of the device is able to unlock and lock.
The fixed opening indicator of the air valve of the nuclear power plant further comprises a knob part 6, and the opening pointer 3 is rotationally connected with the knob part 6. The knob portion 6 is substantially cylindrical, and has an installation groove for the opening pointer 3. Further, a limiting groove for limiting the opening pointer 3 is further formed in the knob portion 6, so that the opening pointer 3 can only move within a certain angle range.
Further, the indicator body 1 is provided with an adhesive layer on a side facing away from the opening degree indicating dial 2. The adhesive layer is used for adhering and fixing the air valve fixed opening indicator of the nuclear power plant to equipment, and is convenient to operate. Preferably, the adhesive layer is made of glue, the glue is 3M glue or UV glue, in this embodiment, the adhesive layer is made of 3M glue, and the 3M glue can make the adhered parts appear more perfect, and the adhesive layer does not affect the product like the traditional welding and riveting modes, and has better elasticity and flexibility, so that the fatigue resistance and shock resistance of the object can be greatly improved. In other embodiments, the indicator body 1 may also be secured to the device by means of screws or snaps.
The nuclear power plant air valve fixed opening indicator has the beneficial effects that:
1. the structure is simple: the whole stainless steel plate is used for being made, so that the device can adapt to the severe environment of the site;
2. the locking mechanism 4 is provided with: the locking mechanism 4 consists of a locking nut, and the equipment operator can carry out adjustable locking only through a special key;
3. the dual indication function is provided: the nuclear power plant air valve fixed opening indicator has two indication functions of digital and mechanical opening;
4. the manufacturing cost is low, the adaptability is good, the air valve can be adjusted by most ventilation systems, and in actual use, effective management is realized aiming at the problem that the prefabricated opening of the air valve is not clear.
It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The fixed opening indicator of the air valve of the nuclear power plant is characterized by comprising an indicator main body (1), an opening indicating disc (2), an opening pointer (3), a locking mechanism (4) and a linkage mechanism (5);
the opening indicating disc (2) is arranged on the surface of the indicator main body (1), the opening pointer (3) is connected with the air valve through the indicator main body (1), and the numerical value of the fixed opening of the air valve of the nuclear power plant is indicated on the opening indicating disc (2);
the locking mechanism (4) is connected with the opening pointer (3) to fix the position of the opening pointer (3);
the linkage mechanism (5) comprises a linkage piece (51) connected with the opening pointer (3), an elastic piece (52) and a driven piece (53) connected with the linkage piece (51), one end of the elastic piece (52) is connected with the indicator main body (1), and the other end of the elastic piece is fixedly connected with the linkage piece (51);
the driven piece (53) is abutted with the valve rod of the air valve, so that the linkage mechanism (5) is driven to move when the valve rod rotates, and the opening pointer (3) is rotated.
2. The fixed opening indicator of a nuclear power plant damper according to claim 1, characterized in that the indicator body (1) is a plate-like structure made of stainless steel material.
3. The nuclear power plant damper fixed opening indicator according to claim 1, characterized in that the indicator body (1) is rectangular, circular or oval.
4. The nuclear power plant damper fixed opening indicator according to claim 1, further comprising a display module (7) provided on the indicator body (1) for displaying signage and opening numbers.
5. The fixed opening indicator of the air valve of the nuclear power plant according to claim 1, wherein an opening score line (21) is arranged on the opening indicating disc (2), and the display range of the opening score line (21) is 0-90 degrees.
6. The fixed opening indicator of a nuclear power plant damper according to claim 1, characterized in that the locking mechanism (4) comprises a lock nut, which is triangular, rectangular or star-shaped.
7. The nuclear power plant damper fixed opening indicator according to claim 1, further comprising a knob portion (6), the opening pointer (3) being in rotational connection with the knob portion (6).
8. The fixed opening indicator of the air valve of the nuclear power plant according to claim 7, wherein a limiting groove for limiting the opening pointer (3) is further formed in the knob portion (6).
9. The nuclear power plant damper fixed opening indicator according to claim 1, characterized in that an adhesive layer for adhering and fixing the nuclear power plant damper fixed opening indicator is arranged on one side of the indicator main body (1) facing away from the opening indicating disc (2).
10. The fixed opening indicator of a nuclear power plant damper of claim 9, wherein the adhesive layer is made of glue, and the glue is 3M glue or UV glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007887.8U CN219712507U (en) | 2023-04-27 | 2023-04-27 | Nuclear power plant air valve fixed opening indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007887.8U CN219712507U (en) | 2023-04-27 | 2023-04-27 | Nuclear power plant air valve fixed opening indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712507U true CN219712507U (en) | 2023-09-19 |
Family
ID=87984274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007887.8U Active CN219712507U (en) | 2023-04-27 | 2023-04-27 | Nuclear power plant air valve fixed opening indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712507U (en) |
-
2023
- 2023-04-27 CN CN202321007887.8U patent/CN219712507U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6742396B2 (en) | Method for upgrading a dial indicator to provide remote indication capability | |
| US9322694B2 (en) | Apparatus to confirm correct meter sizing | |
| AU9729701A (en) | Liquid level gauge with removable hall device | |
| US8613607B2 (en) | Pressure pulsation dampener | |
| CN219712507U (en) | Nuclear power plant air valve fixed opening indicator | |
| EP2827108A1 (en) | Insertable flow meter | |
| JP2960109B2 (en) | Target fluid flow meter | |
| DE102012020382A1 (en) | Housing arrangement for a flow meter | |
| CN209278942U (en) | A kind of wall lamp | |
| WO1996041128A1 (en) | Inclination-compensating display device for a compass | |
| GB1384147A (en) | Rotary fluid-flow meter | |
| CN220251148U (en) | Water flow comprehensive standard device | |
| CN201637053U (en) | Air volume adjusting device for air-conditioning system | |
| US20230288235A1 (en) | Metering console | |
| CN218178184U (en) | Connecting joint for heating ventilation pipe in heating ventilation engineering | |
| JP2004251793A (en) | Flow indicator | |
| CN221223888U (en) | High-efficiency sealing accurate mass flow metering device | |
| CN215261995U (en) | Online check-up equipment of flow controller | |
| CN211083025U (en) | Mounting bracket for valve driving cylinder | |
| CN216242620U (en) | Simple valve opening indicator | |
| CN212839703U (en) | Accurate control device of artifical fritting furnace gas flow | |
| CN216715286U (en) | High-pressure ball valve with displayable state | |
| CN220627419U (en) | Dust protected industrial instrument | |
| CN217961239U (en) | Camera device and body-building mirror | |
| CN212300450U (en) | Liquid flow indicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |