CN211317477U - Special tool for checking input type liquid level meter - Google Patents
Special tool for checking input type liquid level meter Download PDFInfo
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- CN211317477U CN211317477U CN201922062542.2U CN201922062542U CN211317477U CN 211317477 U CN211317477 U CN 211317477U CN 201922062542 U CN201922062542 U CN 201922062542U CN 211317477 U CN211317477 U CN 211317477U
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Abstract
The utility model belongs to the technical field of the water level measurement, concretely relates to specialized tool for input level gauge check-up. This specialized tool, including two parts: the liquid level meter is used for verifying a cylinder structure and a sealing assembly; the liquid level meter calibration cylinder structure is a hollow cylindrical boss structure and comprises a liquid level meter calibration cylinder and a liquid level meter calibration cover; the bottom ring of the sealing component is arranged between the liquid level meter calibration cylinder and the flange plate, and the liquid level meter calibration cylinder and the flange plate are tightly connected through the flange plate and the bolts to play a role in sealing. The device can achieve the aim of checking the input type liquid level meter. After the set of tool is used for verifying the cleaned input type liquid level meter, whether the precision of the cleaned input type liquid level meter meets the requirement can be detected; the problem that the input type liquid level meter cannot be checked is solved, and the reliability of the liquid level meter is prevented from being influenced.
Description
Technical Field
The utility model belongs to the technical field of the water level measurement, concretely relates to specialized tool for input level gauge check-up.
Background
In the current seawater circulating system of the domestic nuclear power plant, a great amount of input type level meters are used for measuring the seawater level, but the input type level meters need to be cleaned due to the fact that the measuring environment is severe (seawater corrosion and marine organism adhesion).
However, due to the design defect of the drop-in type liquid level meter, the calibration cannot be directly carried out.
The problem that the input type liquid level meter cannot be checked firstly influences the measurement reliability of the input type liquid level meter, indexes such as precision and linearity of the liquid level meter cannot be guaranteed, meanwhile, unnecessary disturbance is brought to a liquid level control system, and the liquid level control system is difficult to stably operate.
The throwing-in type liquid level meter is mainly used in the water level monitoring fields of seawater, urban water supply and drainage, sewage treatment, underground water, reservoirs, riverways and the like.
Because the application environment is complex, the surface of the input type liquid level meter is easy to stain, corrode and be attached by aquatic organisms, and the input type liquid level meter is easy to drift, so that the measurement of the input type liquid level meter is influenced.
Before the advent of this tool, the currently domestic practice for drop-in level gauges was: the liquid level meter is directly cleaned and used after being contaminated or directly replaced regularly after drifting.
The disadvantages of the method are:
1) the liquid level meter is directly dismantled and cleaned for use, and the linearity and precision errors of the liquid level meter cannot be guaranteed because the liquid level meter is not verified;
2) the drift is replaced regularly, the cost is high, but the economy is poor.
SUMMERY OF THE UTILITY MODEL
To above not enough, the utility model discloses a main objective provides a specialized tool for input level gauge check-up.
The technical scheme of the utility model as follows:
a special tool for drop-in level gauge verification, comprising two parts: the liquid level meter is used for verifying a cylinder structure and a sealing assembly;
the liquid level meter calibration cylinder structure is a hollow cylindrical boss structure and comprises a liquid level meter calibration cylinder and a liquid level meter calibration cover;
the bottom ring of the sealing component is arranged between the liquid level meter calibration cylinder and the flange plate, and the liquid level meter calibration cylinder and the flange plate are tightly connected through the flange plate and the bolts to play a role in sealing.
The utility model provides a specialized tool for input level gauge check-up, level gauge check-up barrel is upper end opening, and bottom central point puts and has offered the screw thread through-hole.
A special tool for checking a drop-in liquid level meter is characterized in that the whole material of a liquid level meter checking cylinder body is 316L.
The utility model provides a specialized tool for input level gauge check-up, the level gauge check-up is covered for the ring annular structure, evenly is provided with 4 bolt holes on the level gauge check-up, and every bolt hole is 90 apart from.
The utility model provides a specialized tool for input level gauge check-up, seal assembly is upper and lower open-ended hollow cylinder boss structure, evenly is provided with 4 bolt holes on the bottom ring, and the position corresponds with the trompil position of level gauge check-up lid.
The utility model provides a specialized tool for input level gauge check-up, the external diameter size of seal assembly hollow cylinder boss can be adjusted according to the size of level gauge.
A special tool for checking an input type liquid level meter is characterized in that a sealing component is made of butadiene-acrylonitrile rubber.
A special tool for checking a drop-in liquid level meter is characterized in that the drop-in liquid level meter is inserted into a sealing assembly, and a pressure checking device is in threaded connection through a threaded through hole at the bottom of a liquid level meter checking cylinder;
the standard ammeter is connected with the input type liquid level meter, standard pressure signals are input through the pressure calibration device, the output current of the input type liquid level meter is recorded, and the calibration purpose is achieved.
The beneficial effects of the utility model reside in that:
the device can achieve the aim of checking the input type liquid level meter.
After the set of tool is used for verifying the cleaned input type liquid level meter, whether the precision of the cleaned input type liquid level meter meets the requirement can be detected;
the problem that the input type liquid level meter cannot be checked is solved, and the reliability of the liquid level meter is prevented from being influenced.
Drawings
FIG. 1 is a schematic view of a calibration cylinder of a liquid level meter according to the present invention;
FIG. 2 is a schematic view of a calibration cap of the liquid level meter according to the present invention;
fig. 3 is a schematic view of a seal assembly of the present invention;
in the figure: 1. the liquid level meter checks the cylinder; 2. bolt holes; 3. a check cover of the liquid level meter; 4. and (7) sealing the assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The special tool for checking the specific input type liquid level meter is divided into two parts: the gauge verifies the cartridge structure and seal assembly 4.
The liquid level meter calibration barrel structure is of a hollow cylindrical boss structure and comprises a liquid level meter calibration barrel body 1 and a liquid level meter calibration cover 3, the liquid level meter calibration barrel body 1 is provided with an upper end opening, a threaded through hole is formed in the center of the bottom of the liquid level meter calibration barrel body, and 316L is adopted in the whole material of the liquid level meter calibration barrel body.
The liquid level meter calibration cover 3 is of a circular structure, 4 bolt holes are uniformly formed in the liquid level meter calibration cover 3, and each bolt hole is separated by 90 degrees
The sealing assembly 4 is of a hollow cylindrical boss structure with an upper opening and a lower opening, 4 bolt holes 2 are uniformly formed in a bottom ring, and the position of each bolt hole corresponds to the position of an opening of the liquid level meter checking cover 3;
the outer diameter of the hollow cylindrical boss of the sealing component 4 can be adjusted according to the size of the liquid level meter;
the material of the sealing component 4 is butadiene acrylonitrile rubber.
The bottom ring of the sealing component 4 is arranged between the liquid level meter calibration cylinder and the flange plate, and the liquid level meter calibration cylinder and the flange plate are tightly connected through the flange plate and the bolts to play a role in sealing.
The input type liquid level meter is inserted into the sealing assembly 4, and the pressure calibration device is in threaded connection with the threaded through hole in the bottom of the liquid level meter calibration barrel body 1.
The standard ammeter is connected with the input type liquid level meter, standard pressure signals are input through the pressure calibration device, the output current of the input type liquid level meter is recorded, and the calibration purpose is achieved.
The design fully considers the design structure characteristics of the input type liquid level meter and the working pressure of the input type liquid level meter, and adopts the surrounding type nitrile butadiene rubber sealing design. This sealed design can agree with well and seal with input level gauge itself, guarantees not appear leaking when suppressing the check-up to input level gauge, does not influence level gauge itself simultaneously.
A special tool for drop-in level gauge verification, comprising two parts: the liquid level meter is used for verifying a cylinder structure and a sealing assembly;
the liquid level meter calibration cylinder structure is a hollow cylindrical boss structure and comprises a liquid level meter calibration cylinder and a liquid level meter calibration cover;
the bottom ring of the sealing component is arranged between the liquid level meter calibration cylinder and the flange plate, and the liquid level meter calibration cylinder and the flange plate are tightly connected through the flange plate and the bolts to play a role in sealing.
The utility model provides a specialized tool for input level gauge check-up, level gauge check-up barrel is upper end opening, and bottom central point puts and has offered the screw thread through-hole.
A special tool for checking a drop-in liquid level meter is characterized in that the whole material of a liquid level meter checking cylinder body is 316L.
The utility model provides a specialized tool for input level gauge check-up, the level gauge check-up is covered for the ring annular structure, evenly is provided with 4 bolt holes on the level gauge check-up, and every bolt hole is 90 apart from.
The utility model provides a specialized tool for input level gauge check-up, seal assembly is upper and lower open-ended hollow cylinder boss structure, evenly is provided with 4 bolt holes on the bottom ring, and the position corresponds with the trompil position of level gauge check-up lid.
The utility model provides a specialized tool for input level gauge check-up, the external diameter size of seal assembly hollow cylinder boss can be adjusted according to the size of level gauge.
A special tool for checking an input type liquid level meter is characterized in that a sealing component is made of butadiene-acrylonitrile rubber.
A special tool for checking a drop-in liquid level meter is characterized in that the drop-in liquid level meter is inserted into a sealing assembly, and a pressure checking device is in threaded connection through a threaded through hole at the bottom of a liquid level meter checking cylinder;
the standard ammeter is connected with the input type liquid level meter, standard pressure signals are input through the pressure calibration device, the output current of the input type liquid level meter is recorded, and the calibration purpose is achieved.
Claims (8)
1. A special tool for drop-in level gauge verification, comprising two parts: the liquid level meter is used for verifying a cylinder structure and a sealing assembly; the method is characterized in that:
the liquid level meter calibration cylinder structure is a hollow cylindrical boss structure and comprises a liquid level meter calibration cylinder and a liquid level meter calibration cover;
the bottom ring of the sealing component is arranged between the liquid level meter calibration cylinder and the flange plate, and the liquid level meter calibration cylinder and the flange plate are tightly connected through the flange plate and the bolts to play a role in sealing.
2. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that:
the liquid level meter calibration cylinder is provided with an opening at the upper end, and a threaded through hole is formed in the center of the bottom.
3. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the overall material of the liquid level meter checking cylinder body is 316L.
4. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the liquid level meter calibration cover is of a circular structure, 4 bolt holes are uniformly formed in the liquid level meter calibration cover, and each bolt hole is separated by 90 degrees.
5. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the seal assembly is of a hollow cylindrical boss structure with an upper opening and a lower opening, 4 bolt holes are uniformly formed in the bottom ring, and the position of each bolt hole corresponds to the position of the hole of the check cover of the liquid level meter.
6. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the outer diameter of the hollow cylindrical boss of the sealing assembly can be adjusted according to the size of the liquid level meter.
7. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the sealing component is made of butadiene-acrylonitrile rubber.
8. A special tool for the verification of drop-in level gauges according to claim 1, characterized in that: the input type liquid level meter is inserted into the sealing assembly, and the pressure calibration device is in threaded connection through a threaded through hole at the bottom of the liquid level meter calibration cylinder;
the standard ammeter is connected with the input type liquid level meter, standard pressure signals are input through the pressure calibration device, the output current of the input type liquid level meter is recorded, and the calibration purpose is achieved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922062542.2U CN211317477U (en) | 2019-11-26 | 2019-11-26 | Special tool for checking input type liquid level meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922062542.2U CN211317477U (en) | 2019-11-26 | 2019-11-26 | Special tool for checking input type liquid level meter |
Publications (1)
Publication Number | Publication Date |
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CN211317477U true CN211317477U (en) | 2020-08-21 |
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CN201922062542.2U Active CN211317477U (en) | 2019-11-26 | 2019-11-26 | Special tool for checking input type liquid level meter |
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CN (1) | CN211317477U (en) |
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2019
- 2019-11-26 CN CN201922062542.2U patent/CN211317477U/en active Active
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