Liquid level meter calibration device

Abstract

The utility model relates to the technical field of calibration, in particular to a liquid level meter calibration device which comprises a calibration water tank, a water pump, a liquid level meter, a second electromagnetic valve, a rack and a gradienter, the water pump is arranged above the calibration water tank, and the second electromagnetic valve is connected to the lower portion of one side of the calibration water tank. The lower end of the calibration water tank is connected with a rack, a gradienter is arranged on the lower portion of the front face of the rack, the upper end of the calibration water tank is connected with an upper cover, the middle of the upper end of the upper cover is connected with a first electromagnetic valve, and a liquid inlet is formed in the upper end of the first electromagnetic valve. A through pipe is arranged on one side of the upper portion of the calibration water tank, a liquid outlet is formed in one side of the lower portion of the calibration water tank, a liquid discharging pipe is arranged at the lower end of the calibration water tank, an upper through opening and a lower through opening are formed in one side of the liquid level meter, and a liquid level display panel is connected to the side, away from the upper through opening and the lower through opening, of the liquid level meter. And a metering tank is arranged in the middle of the liquid level display panel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the calibration technical field, concretely is a liquid level meter calibration device. BACKGROUND

[0002] When calibrating the liquid level meter, the calibration water tank and the liquid level meter are inconvenient to disassemble and assemble, and there is a lot of calibration water in the calibration water tank and the liquid level meter, and it takes a long time to drain water.

[0003] Therefore, it is necessary to design a liquid level meter calibration device to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in the prior art and provides a liquid level meter calibration device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A liquid level meter calibration device, comprising a calibration water tank, a water pump, a liquid level meter, a second electromagnetic valve, a rack and a level meter, wherein the calibration water tank is provided with a water pump above, the lower part of one side of the calibration water tank is connected with a second electromagnetic valve, the side away from the calibration water tank of the second electromagnetic valve is connected with a liquid level meter, the lower end of the calibration water tank is connected with a rack, and the front lower part of the rack is provided with a level meter.

[0007] The upper end of the calibration water tank is connected with an upper cover, the upper end of the upper cover is connected with a first electromagnetic valve in the middle, the upper end of the first electromagnetic valve is provided with a liquid inlet, one side of the upper part of the calibration water tank is provided with a through pipe, one side of the lower part of the calibration water tank is provided with a liquid outlet, and the lower end of the calibration water tank is provided with a liquid discharge pipe.

[0008] One side of the liquid level meter is provided with an upper through hole and a lower through hole, the side away from the upper through hole and the lower through hole of the liquid level meter is connected with a liquid level display plate, and the middle of the liquid level display plate is provided with a metering groove.

[0009] The side close to the lower through hole of the second electromagnetic valve is provided with a locking nut, and the lower part of the side close to the lower through hole of the second electromagnetic valve is provided with a liquid discharge port.

[0010] The lower part of the rack is connected with a plurality of hydraulic rods, the lower end of the hydraulic rod is connected with a base, and one side of the upper part of the rack is provided with a supporting plate.

[0011] As a preferred scheme of the utility model, the calibration water tank and the upper cover are connected through thread tightening, the upper cover and the first electromagnetic valve are connected through bolts, and the liquid inlet of the upper end of the first electromagnetic valve and the water pump are connected through a pipeline.

[0012] As the preferred scheme of the utility model, the upper through hole of the liquid level meter side and the through pipe of the calibration water tank side are connected through plug-in connection and are locked through locking nuts, and the lower through hole of the liquid level meter side and the second electromagnetic valve are connected through plug-in connection and are locked through locking nuts.

[0013] As the preferred scheme of the utility model, the second electromagnetic valve and the liquid outlet of the calibration water tank are connected through flanges, and the lower end of the second electromagnetic valve and the supporting plate are connected through bolts.

[0014] As the preferred scheme of the utility model, the calibration water tank and the rack are connected through sleeve connection and are locked through bolts.

[0015] As the preferred scheme of the utility model, the rack, the base and the hydraulic rod are connected through bolts.

[0016] In summary, the technical effect and advantages of the utility model are as follows: the liquid level meter calibration device can adjust the level of the rack through the observation of the level meter and the lifting of the base driven by the hydraulic rod before calibration, thereby reducing the influence on the calibration accuracy, and the water supply can be realized through the water pump, the water inlet amount can be controlled through the first electromagnetic valve, and the liquid can be directly discharged through the liquid discharge pipe, so that the operation is convenient and fast, the upper cover is a detachable structure, the calibration water tank can be conveniently cleaned in the later period, the liquid level meter can be installed on the side of the calibration water tank during calibration, then the second electromagnetic valve is opened, the liquid level meter and the calibration water tank are communicated, the accuracy of the liquid level meter is observed through the scale on the calibration water tank, the second electromagnetic valve is closed after calibration, the liquid discharge port is opened, the calibration water in the liquid level meter is discharged, the water discharge is small, time and labor are saved, the locking nut is opened, the liquid level meter is taken down, the liquid level meter calibration is convenient and fast, and the disassembly and assembly are convenient, so that the liquid level meter is conveniently used multiple times. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structural drawing of the utility model;

[0018] Figure 2 It is the calibration water tank structure drawing of the utility model;

[0019] Figure 3 It is the liquid level meter structure drawing of the utility model;

[0020] Figure 4 It is the second electromagnetic valve structure drawing of the utility model.

[0021] In the figure: 1, calibration water tank; 101, upper cover; 102, liquid inlet; 103, through pipe; 104, liquid outlet; 105, first electromagnetic valve; 106, liquid discharge pipe; 2, water pump; 3, liquid level meter; 301, upper through hole; 302, lower through hole; 303, liquid level display plate; 304, measuring tank; 4, second electromagnetic valve; 401, locking nut; 402, liquid discharge port; 5, rack; 501, base; 502, hydraulic rod; 503, supporting plate; 6, level. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-4 A liquid level meter calibration device, comprising a calibration water tank 1, a water pump 2, a liquid level meter 3, a second electromagnetic valve 4, a rack 5 and a level 6, the water pump 2 is arranged above the calibration water tank 1, the second electromagnetic valve 4 is connected to the lower part of one side of the calibration water tank 1, the liquid level meter 3 is connected to the side of the second electromagnetic valve 4 away from the calibration water tank 1, the rack 5 is connected to the lower end of the calibration water tank 1, and the level 6 is arranged at the lower part of the front of the rack 5; the upper end of the calibration water tank 1 is connected with an upper cover 101, the upper end of the upper cover 101 is connected with a first electromagnetic valve 105, the upper end of the first electromagnetic valve 105 is provided with a liquid inlet 102, a through pipe 103 is arranged on one side of the upper part of the calibration water tank 1, a liquid outlet 104 is arranged on one side of the lower part of the calibration water tank 1, and a liquid discharge pipe 106 is arranged at the lower end of the calibration water tank 1; the liquid level meter 3 is provided with an upper through hole 301 and a lower through hole 302, the liquid level meter 3 is connected with a liquid level display plate 303 on the side away from the upper through hole 301 and the lower through hole 302, and the liquid level display plate 303 is provided with a measuring tank 304 at the middle part; the side of the second electromagnetic valve 4 close to the lower through hole 302 is provided with a locking nut 401, and the lower part of the side of the second electromagnetic valve 4 close to the lower through hole 302 is provided with a liquid discharge port 402; the lower part of the rack 5 is connected with a plurality of hydraulic rods 502, the lower end of the hydraulic rod 502 is connected with a base 501, and the upper part of one side of the rack 5 is provided with a supporting plate 503.

[0024] Referring to Figure 1 and Figure 2, the calibration water tank 1 and the liquid level gauge 3 are inconvenient to disassemble and assemble during calibration, and the calibration water tank 1 and the liquid level gauge 3 have more calibration water and take more time to drain water. The calibration water tank 1 and the upper cover 101 are connected by screwing threads, the upper cover 101 and the first electromagnetic valve 105 are connected by bolts, the liquid inlet 102 at the upper end of the first electromagnetic valve 105 and the water pump 2 are connected by a pipeline, and the water pump 2 can be used to supply water, and then the first electromagnetic valve 105 can be used to control the water inflow. When discharging, the liquid can be directly discharged through the drain pipe 106, which is convenient and fast to operate, and the upper cover 101 is a detachable structure, which facilitates the later cleaning of the calibration water tank 1.

[0025] Referring to Figures 1-4 , the upper through hole 301 on one side of the liquid level gauge 3 and the through pipe 103 on one side of the calibration water tank 1 are connected by plug-in connection and limited and locked by the locking nut 401, the lower through hole 302 on one side of the liquid level gauge 3 and the second electromagnetic valve 4 are connected by plug-in connection and limited and locked by the locking nut 401, the second electromagnetic valve 4 and the liquid outlet 104 of the calibration water tank 1 are connected by flange, the lower end of the second electromagnetic valve 4 and the supporting plate 503 are connected by bolts, and the calibration water tank 1 is connected by bolts. During calibration, the liquid level gauge 3 can be installed on one side of the calibration water tank 1, and then the second electromagnetic valve 4 is opened, so that the liquid level gauge 3 and the calibration water tank 1 are communicated, the accuracy of the liquid level gauge 3 is observed by observing the scale on the liquid level gauge 3 and the calibration water tank 1, and the second electromagnetic valve 4 is closed after calibration. The drain port 402 is opened, so that the calibration water in the liquid level gauge 3 can be drained, the water drainage is less, the time and labor are saved, the locking nut 401 is opened, and the liquid level gauge 3 is taken down. The liquid level gauge 3 is convenient and fast to calibrate, and is convenient to disassemble and assemble, so as to facilitate multiple use.

[0026] Referring to Figure 1 and Figure 2 , the calibration water tank 1 and the rack 5 are connected by sleeve connection and limited and locked by bolts, the rack 5, the base 501 and the hydraulic rod 502 are connected by bolts, and the level of the level 6 is observed before calibration. Then the hydraulic rod 502 is stretched and retracted to drive the lifting of the base 501, so as to adjust the level of the rack 5, thereby reducing the influence on the accuracy of calibration.

[0027] Working principle: the calibration water tank 1 and the rack 5 of the liquid level meter calibration device are connected through sleeve connection and locked by bolts, the rack 5, the base 501 and the hydraulic rod 502 are connected by bolts, before calibration, the level of the level meter 6 can be observed, then the hydraulic rod 502 is extended or retracted to drive the base 501 to rise or fall, so that the level of the rack 5 is adjusted, thereby reducing the influence on the accuracy of calibration, the calibration water tank 1 and the upper cover 101 are connected by screwing, the upper cover 101 and the first electromagnetic valve 105 are connected by bolts, the liquid inlet 102 at the upper end of the first electromagnetic valve 105 and the water pump 2 are connected by pipelines, when used, the water pump 2 can be used to supply water, then the first electromagnetic valve 105 controls the water inflow, and the liquid can be directly discharged through the liquid discharge pipe 106, which is convenient and fast, and the upper cover 101 is a detachable structure, which facilitates the later cleaning of the calibration water tank 1, the upper through hole 301 on one side of the liquid level meter 3 and the through pipe 103 on one side of the calibration water tank 1 are connected through plug-in connection and locked by the locking nut 401, the lower through hole 302 on one side of the liquid level meter 3 and the second electromagnetic valve 4 are connected through plug-in connection and locked by the locking nut 401, the second electromagnetic valve 4 and the liquid outlet 104 of the calibration water tank 1 are connected through flanges, the lower end of the second electromagnetic valve 4 and the supporting plate 503 are connected by bolts, when calibration, the liquid level meter 3 can be installed on one side of the calibration water tank 1, then the second electromagnetic valve 4 is opened, the liquid level meter 3 and the calibration water tank 1 are connected, the accuracy of the liquid level meter 3 is observed by observing the scale on the liquid level meter 3 and the calibration water tank 1, after calibration, the second electromagnetic valve 4 is closed, the liquid outlet 402 is opened, the calibration water in the liquid level meter 3 is discharged, the water is less, time and labor are saved, then the locking nut 401 is opened, and the liquid level meter 3 is taken off, the liquid level meter 3 is calibrated conveniently and quickly, and is convenient to disassemble and assemble, thereby facilitating multiple uses.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A liquid level gauge calibration device comprising a calibration tank (1), a water pump (2), a liquid level gauge (3), a second solenoid valve (4), a rack (5) and a level (6), characterized in that: The calibration water tank (1) is provided with a water pump (2) above, a second electromagnetic valve (4) is connected to the lower part of one side of the calibration water tank (1), a liquid level gauge (3) is connected to the side away from the calibration water tank (1) of the second electromagnetic valve (4), a rack (5) is connected to the lower end of the calibration water tank (1), and a level gauge (6) is arranged at the front lower part of the rack (5). The upper end of the calibration water tank (1) is connected with an upper cover (101), a first electromagnetic valve (105) is connected to the upper end of the upper cover (101), a liquid inlet (102) is arranged at the upper end of the first electromagnetic valve (105), a pipe (103) is arranged at one side of the upper part of the calibration water tank (1), a liquid outlet (104) is arranged at one side of the lower part of the calibration water tank (1), and a liquid discharge pipe (106) is arranged at the lower end of the calibration water tank (1). The liquid level gauge (3) is provided with an upper through hole (301) and a lower through hole (302) at one side, a liquid level display plate (303) is connected to the side away from the upper through hole (301) and the lower through hole (302) of the liquid level gauge (3), and a metering groove (304) is arranged at the middle of the liquid level display plate (303). The second electromagnetic valve (4) is provided with a locking nut (401) at the side close to the lower through hole (302), and a liquid discharge port (402) is arranged at the lower part of the side close to the lower through hole (302) of the second electromagnetic valve (4). The lower part of the rack (5) is connected with a plurality of hydraulic rods (502), the lower end of the hydraulic rod (502) is connected with a base (501), and a supporting plate (503) is arranged at one side of the upper part of the rack (5).

2. A liquid level gauge calibration apparatus as claimed in claim 1, wherein: The calibration water tank (1) and the upper cover (101) are connected by screwing, the upper cover (101) and the first electromagnetic valve (105) are connected by bolts, and the liquid inlet (102) at the upper end of the first electromagnetic valve (105) and the water pump (2) are connected by pipes.

3. A liquid level gauge calibration apparatus as claimed in claim 1, wherein: The upper through hole (301) at one side of the liquid level gauge (3) and the pipe (103) at one side of the calibration water tank (1) are connected by insertion and locked by the locking nut (401), and the lower through hole (302) at one side of the liquid level gauge (3) and the second electromagnetic valve (4) are connected by insertion and locked by the locking nut (401).

4. A liquid level gauge calibration apparatus as claimed in claim 1, wherein: The second electromagnetic valve (4) and the liquid outlet (104) of the calibration water tank (1) are connected by flanges, and the lower end of the second electromagnetic valve (4) and the supporting plate (503) are connected by bolts.

5. A liquid level gauge calibration apparatus as claimed in claim 1, wherein: The calibration water tank (1) and the rack (5) are connected by sleeving and locked by bolts.

6. A liquid level gauge calibration apparatus as claimed in claim 1, wherein: The rack (5), the base (501) and the hydraulic rod (502) are connected by bolts.

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