CN217930477U - Magnetic floater level gauge calibrating installation - Google Patents

Abstract

The utility model relates to a technical field that magnetic float level gauge detected, especially relate to a magnetic float level gauge calibrating installation, it fixes the magnetic float level gauge that needs to detect through clamping device, make the right-hand member of left side circulating pipe and raceway suit respectively on the water inlet and the outlet of the magnetic float level gauge that needs to detect, open the air discharge pump, pressurize in the water tank, make two sets of raceway discharge the clear water into respectively in the magnetic float level gauge that needs to detect and the standard magnetic float level gauge, whether staff judges the magnetic float level gauge that needs to detect through observing standard magnetic float level gauge and the magnetic float level gauge that needs to detect is qualified, discharge the water in standard magnetic float level gauge and the magnetic float level gauge that needs to detect into the water tank through two sets of circulating pipes respectively, thereby improve the practicality of equipment; comprises a detection device, a clamping device, an impurity removal device and a drying device.

Description

Magnetic floater level gauge calibrating installation

Technical Field

The utility model relates to a technical field that magnetism float level gauge detected especially relates to a magnetism float level gauge calibrating installation.

Background

The magnetic float level meter can be used for detecting the liquid level of media of various towers, tanks, grooves, spherical containers, boilers and other equipment. The liquid level meter can achieve high sealing, leakage prevention and is suitable for high-temperature, high-pressure and corrosion-resistant occasions. The device makes up the defects of poor indication definition, easy breakage and the like of a glass plate (tube) liquid level meter, has no blind area in the whole process of measurement, and has clear display and large measurement range. In order to reduce the defective rate of the magnetic float level meter, the measurement precision of the magnetic float level meter needs to be detected, and the structure of the existing magnetic float level meter calibrating device is simpler, such as the magnetic float level meter calibrating device provided in the granted patent with the application number of CN202022621261.9, which translates to the internal area of water through the magnetic float level meter, to the functional performance of the detection magnetic float level meter, so that the surface of the magnetic float level meter is soaked in water equally, and then the surface of the magnetic float level meter needs to be dried, which wastes time and labor, and is inconvenient to detect the longer magnetic float level meter, so that the practicability is poor, and the existing equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a fix the magnetism float level gauge that needs detected through clamping device, and make the right-hand member suit respectively of left side circulating pipe and raceway on the water inlet and the outlet of the magnetism float level gauge that needs detect, go into the water tank through the drain valve in with the water, the drain valve is closed again, open the air pump, pressurize the inside of water tank, make two sets of raceway with the clear water go into respectively to the magnetism float level gauge that needs detect and standard magnetism float level gauge in, the staff is through observing the magnetism float level gauge that standard magnetism float level gauge and need detect, judge whether the magnetism float level gauge that needs detect is qualified, water in rethread two sets of circulating pipes go into the water tank with the magnetism float level gauge that needs detect respectively, the while filters the water that the circulating pipe returned through the edulcoration device, reduce and get into the impurity in the water tank, later dry the inside of the magnetism float level gauge that needs detect through drying device, thereby improve a magnetism float level gauge calibrating installation's practicality.

The utility model discloses a magnetic float level gauge calibrating installation, including detection device, clamping device, edulcoration device and drying device, the clamping device is installed in detection device, and the edulcoration device is installed in detection device, and the drying device is installed in the top of clamping device, the clamping device detects the magnetic float level gauge, and the edulcoration device filters the water that the magnetic float level gauge discharged, and the drying device dries the inside of magnetic float level gauge;

the detection device comprises a water tank, an exhaust pump, two groups of circulating pipes, two groups of water pipes and a standard magnetic floater liquid level meter, wherein the bottom end of the exhaust pump is connected with the top end of the water tank, a drain valve is arranged at the bottom of the side end of the water tank, an exhaust port is arranged at the bottom end of the exhaust pump, an air inlet is arranged at the front end of the exhaust pump, the bottom ends of the two groups of circulating pipes and the bottom ends of the two groups of water pipes extend into the water tank from the top end of the water tank, a water inlet of the standard magnetic floater liquid level meter is connected with the left end of the right-side water pipe, and a water outlet of the standard magnetic floater liquid level meter is connected with the left end of the right-side circulating pipe;

the magnetic floater liquid level meter to be detected is fixed through the clamping device, the right ends of the left circulating pipe and the water conveying pipe are respectively sleeved on a water inlet and a water outlet of the magnetic floater liquid level meter to be detected, water is discharged into the water tank through the water discharging valve, the water discharging valve is closed, the air discharging pump is turned on, the interior of the water tank is pressurized, two groups of water conveying pipes discharge clean water into the magnetic floater liquid level meter to be detected and the standard magnetic floater liquid level meter respectively, a worker judges whether the magnetic floater liquid level meter to be detected is qualified or not by observing the standard magnetic floater liquid level meter and the magnetic floater liquid level meter to be detected, water in the standard magnetic floater liquid level meter and the magnetic floater liquid level meter to be detected is discharged into the water tank through the two groups of circulating pipes respectively, meanwhile, water returned through the left circulating pipe is filtered through the impurity removing device, impurities entering the water tank are reduced, and then the interior of the magnetic floater liquid level meter to be detected is dried through the drying device, and therefore the practicability of the device is improved.

Preferably, the clamping device comprises two groups of first hydraulic cylinders, a top plate, a sliding block, a driving motor, a lead screw, a support, a plurality of groups of second hydraulic cylinders and a plurality of groups of clamping plates, the bottoms of the two groups of first hydraulic cylinders are connected with the top end of the water tank, the top ends of the two groups of first hydraulic cylinders are connected with the bottom end of the top plate, the sliding block is slidably mounted at the bottom end of the top plate, the top end of the driving motor is connected with the bottom end of the top plate, the right end of the lead screw is connected with the left end of the driving motor, the left end of the lead screw penetrates through the sliding block to be rotatably connected with the left part of the bottom end of the top plate, the surface of the lead screw is in threaded connection with the middle part of the sliding block, the top end of the support is connected with the bottom end of the sliding block, one ends of the plurality of groups of second hydraulic cylinders are fixedly mounted on the support, and the other ends of the plurality of groups of second hydraulic cylinders are respectively connected with one ends of the plurality of the clamping plates; the magnetic float level gauge that will detect is put between the multiunit splint, extend through multiunit second pneumatic cylinder, make multiunit splint clip the magnetic float level gauge that needs to detect, open driving motor again, the transmission of warp silk thick stick, make the slider move left, make the right-hand member suit respectively of left side circulating pipe and raceway on the water inlet and the outlet of the magnetic float level gauge that needs to detect, or through driving motor reverse running, make the slider move right, left circulating pipe and raceway are kept away from to the magnetic float level gauge that needs to detect, thereby improve equipment's practicality.

Preferably, the impurity removing device comprises a filter box and a plurality of groups of filter screens, the top end of the filter box is connected with the top end in the water tank, a baffle is arranged at the top end in the filter box, the interior of the filter box is communicated with the interior of the water tank, the bottom end of the left circulating pipe is communicated with the interior of the filter box, and the plurality of groups of filter screens are all arranged in the filter box; the water in the magnetism float level gauge that left circulating pipe will need to detect is gone into to the filter tank in, and the baffle through filtering the roof portion stops water, reduces the impact of water to the multiunit filter screen, later filters the impurity of aquatic through the multiunit filter screen, returns the water to in the water tank again, reduces the impurity that gets into to the water tank to improve equipment's practicality.

Preferably, the drying device comprises a heating box, a plurality of groups of heating elements, an exhaust fan, a first connecting valve and a second connecting valve, wherein the bottom end of the heating box is connected with the top end of the top plate, the plurality of groups of heating elements are all arranged in the heating box, the left end of the exhaust fan is connected with the right end of the heating box, the top end of the first connecting valve is communicated with the inside of the heating box through a connecting pipe, the bottom end of the first connecting valve is communicated with the inside of the left circulating pipe, and the second connecting valve is arranged at the top of the left circulating pipe; after the magnetism float level gauge that detects needs detects the completion, open first connecting valve and exhaust fan, close the second connecting valve simultaneously, make the exhaust fan with the air escape to the heating cabinet in, heat the air in the heating cabinet through multiunit heating element, the top of rethread left side circulating pipe emits steam into the inside to the magnetism float level gauge that needs detect, dry the inside of the magnetism float level gauge that needs detect, the moisture in the magnetism float level gauge that the rethread left raceway will need detect is discharged to the water tank in, thereby improve equipment's practicality.

Preferably, the water tank further comprises a pressure relief valve, and the side end of the pressure relief valve is connected with the top of the side end of the water tank; when the pressure in the water tank is too high, the corresponding gas in the water tank is discharged through the pressure release valve, so that the practicability of the equipment is improved.

Preferably, the water tank also comprises a plurality of groups of adjustable bases and gradienters, wherein the plurality of groups of adjustable bases are all installed at the bottom of the water tank in a threaded manner, and the rear ends of the gradienters are connected with the front end of the water tank; through rotating the adjustable base of multiunit alone, through observing the spirit level, horizontality when adjusting the water tank to improve the accurate nature that detects.

Preferably, the water tank further comprises an observation window, and the rear end of the observation window is connected with the front end of the water tank; make things convenient for the staff to observe the liquid level in the water tank to improve equipment's practicality.

Compared with the prior art, the beneficial effects of the utility model are that: the magnetic floater liquid level meter to be detected is fixed through the clamping device, the right ends of the left circulating pipe and the water conveying pipe are respectively sleeved on a water inlet and a water outlet of the magnetic floater liquid level meter to be detected, water is discharged into the water tank through the water discharging valve, the water discharging valve is closed, the air discharging pump is turned on, the interior of the water tank is pressurized, two groups of water conveying pipes discharge clean water into the magnetic floater liquid level meter to be detected and the standard magnetic floater liquid level meter respectively, a worker judges whether the magnetic floater liquid level meter to be detected is qualified or not by observing the standard magnetic floater liquid level meter and the magnetic floater liquid level meter to be detected, water in the standard magnetic floater liquid level meter and the magnetic floater liquid level meter to be detected is discharged into the water tank through the two groups of circulating pipes respectively, meanwhile, water returned through the left circulating pipe is filtered through the impurity removing device, impurities entering the water tank are reduced, and then the interior of the magnetic floater liquid level meter to be detected is dried through the drying device, and therefore the practicability of the device is improved.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the axle measurement and enlargement structure of the first hydraulic cylinder and the bracket of the present invention;

in the drawings, the reference numbers: 1. a water tank; 2. an exhaust pump; 3. a circulation pipe; 4. a water delivery pipe; 5. a standard magnetic float level gauge; 6. a drain valve; 7. a first hydraulic cylinder; 8. a top plate; 9. a slider; 10. a drive motor; 11. a lead screw; 12. a support; 13. a second hydraulic cylinder; 14. a splint; 15. a filter box; 16. filtering with a screen; 17. a heating box; 18. a heating element; 19. an exhaust fan; 20. a first connecting valve; 21. a second connecting valve; 22. a pressure relief valve; 23. an adjustable base; 24. a level gauge; 25. and (4) an observation window.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The device comprises a clamping device, an impurity removing device, a drying device and a detection device, wherein the clamping device is arranged on the detection device, the impurity removing device is arranged in the detection device, the drying device is arranged at the top of the clamping device, the clamping device is used for detecting the magnetic floater liquid level meter, the impurity removing device is used for filtering water discharged by the magnetic floater liquid level meter, and the drying device is used for drying the interior of the magnetic floater liquid level meter;

the detection device comprises a water tank 1, an exhaust pump 2, two groups of circulating pipes 3, two groups of water conveying pipes 4 and a standard magnetic floater liquid level meter 5, wherein the bottom end of the exhaust pump 2 is connected with the top end of the water tank 1, a drain valve 6 is arranged at the bottom of the side end of the water tank 1, an exhaust port is arranged at the bottom end of the exhaust pump 2, an air inlet is arranged at the front end of the exhaust pump 2, the bottom ends of the two groups of circulating pipes 3 and the two groups of water conveying pipes 4 extend into the water tank 1 from the top end of the water tank 1, a water inlet of the standard magnetic floater liquid level meter 5 is connected with the left end of the water conveying pipe 4 on the right side, and a water outlet of the standard magnetic floater liquid level meter 5 is connected with the left end of the circulating pipe 3 on the right side;

the clamping device comprises two groups of first hydraulic cylinders 7, a top plate 8, a sliding block 9, a driving motor 10, a lead screw 11, a support 12, a plurality of groups of second hydraulic cylinders 13 and a plurality of groups of clamping plates 14, the bottom ends of the two groups of first hydraulic cylinders 7 are connected with the top end of the water tank 1, the top ends of the two groups of first hydraulic cylinders 7 are connected with the bottom end of the top plate 8, the sliding block 9 is slidably mounted at the bottom end of the top plate 8, the top end of the driving motor 10 is connected with the bottom end of the top plate 8, the right end of the lead screw 11 is connected with the left end of the driving motor 10, the left end of the lead screw 11 penetrates through the sliding block 9 to be rotatably connected with the left part of the bottom end of the top plate 8, the surface of the lead screw 11 is in threaded connection with the middle part of the sliding block 9, the top end of the support 12 is connected with the bottom end of the sliding block 9, one end of the plurality of groups of second hydraulic cylinders 13 are fixedly mounted on the support 12, and the other ends of the plurality of groups of second hydraulic cylinders 13 are respectively connected with one end of the plurality of the clamping plates 14;

the magnetic floater liquid level meter to be detected is placed between a plurality of groups of clamping plates 14 and is extended through a plurality of groups of second hydraulic cylinders 13, the magnetic floater liquid level meter to be detected is clamped by the plurality of groups of clamping plates 14, then a driving motor 10 is started and is driven by a screw rod 11 to move a slide block 9 leftwards, the right ends of a left circulating pipe 3 and a water conveying pipe 4 are respectively sleeved on a water inlet and a water outlet of the magnetic floater liquid level meter to be detected, water is discharged into a water tank 1 through a water discharge valve 6, then the water discharge valve 6 is closed, an air discharge pump 2 is started to pressurize the interior of the water tank 1, clean water is respectively discharged into the magnetic floater liquid level meter to be detected and a standard magnetic floater liquid level meter 5 through the two groups of water conveying pipes 4, and a worker observes the standard magnetic floater liquid level meter 5 and the magnetic floater liquid level meter to be detected, judge whether the magnetism float level gauge that needs to detect is qualified, water in the magnetism float level gauge that rethread two sets of circulating pipe 3 will be standard magnetism float level gauge 5 and need to detect respectively is arranged into to water tank 1, water that returns is arranged to left side circulating pipe 3 through edulcoration device simultaneously filters, reduce the impurity that gets into to water tank 1, later dry the inside of the magnetism float level gauge that needs to detect through drying device, rethread driving motor 10 run in reverse, make slider 9 move to the right, left circulating pipe 3 and raceway 4 are kept away from to the magnetism float level gauge that needs to detect, it takes off the magnetism float level gauge that needs to detect to be the staff, thereby improve equipment's practicality.

Example 2

The device comprises a clamping device, an impurity removing device, a drying device and a control device, wherein the clamping device is arranged on a detection device, the impurity removing device is arranged in the detection device, the drying device is arranged at the top of the clamping device, the clamping device is used for detecting the magnetic floater liquid level meter, the impurity removing device is used for filtering water discharged by the magnetic floater liquid level meter, and the drying device is used for drying the interior of the magnetic floater liquid level meter;

the detection device comprises a water tank 1, an exhaust pump 2, two groups of circulating pipes 3, two groups of water conveying pipes 4 and a standard magnetic floater liquid level meter 5, wherein the bottom end of the exhaust pump 2 is connected with the top end of the water tank 1, a drain valve 6 is arranged at the bottom of the side end of the water tank 1, an exhaust port is arranged at the bottom end of the exhaust pump 2, an air inlet is arranged at the front end of the exhaust pump 2, the bottom ends of the two groups of circulating pipes 3 and the two groups of water conveying pipes 4 extend into the water tank 1 from the top end of the water tank 1, a water inlet of the standard magnetic floater liquid level meter 5 is connected with the left end of the water conveying pipe 4 on the right side, and a water outlet of the standard magnetic floater liquid level meter 5 is connected with the left end of the circulating pipe 3 on the right side;

the drying device comprises a heating box 17, a plurality of groups of heating elements 18, an exhaust fan 19, a first connecting valve 20 and a second connecting valve 21, wherein the bottom end of the heating box 17 is connected with the top end of the top plate 8, the plurality of groups of heating elements 18 are all arranged in the heating box 17, the left end of the exhaust fan 19 is connected with the right end of the heating box 17, the top end of the first connecting valve 20 is communicated with the inside of the heating box 17 through a connecting pipe, the bottom end of the first connecting valve 20 is communicated with the inside of the left circulating pipe 3, and the second connecting valve 21 is arranged at the top of the left circulating pipe 3;

fixing the magnetic floater liquid level meter to be detected through a clamping device, respectively sleeving the right ends of a left circulating pipe 3 and a water conveying pipe 4 on a water inlet and a water outlet of the magnetic floater liquid level meter to be detected, discharging water into a water tank 1 through a water discharge valve 6, then closing the water discharge valve 6, opening a gas discharge pump 2, pressurizing the interior of the water tank 1, respectively discharging clean water into the magnetic floater liquid level meter to be detected and a standard magnetic floater liquid level meter 5 through two groups of water conveying pipes 4, judging whether the magnetic floater liquid level meter to be detected is qualified by observing the standard magnetic floater liquid level meter 5 and the magnetic floater liquid level meter to be detected by a worker, respectively discharging water in the standard magnetic floater liquid level meter 5 and the magnetic floater liquid level meter to be detected into the water tank 1 through two groups of circulating pipes 3, simultaneously, water returned by the left side circulating pipe 3 is filtered through an impurity removing device, impurities entering the water tank 1 are reduced, then the detection of the magnetic floater liquid level meter to be detected is completed, the first connecting valve 20 and the exhaust fan 19 are opened, the second connecting valve 21 is closed simultaneously, the exhaust fan 19 discharges air into the heating tank 17, the air in the heating tank 17 is heated through the multiple groups of heating elements 18, hot air is discharged into the magnetic floater liquid level meter to be detected through the top of the left side circulating pipe 3, the interior of the magnetic floater liquid level meter to be detected is dried, moisture in the magnetic floater liquid level meter to be detected is discharged into the water tank 1 through the left water conveying pipe 4, and therefore the practicability of the device is improved.

As shown in figures 1 to 3, the utility model discloses a magnetic float level gauge calibrating device, when it works, firstly, through independently rotating multiple groups of adjustable bases 23, through observing the spirit level 24, the water tank 1 is adjusted to the horizontal state, the magnetic float level gauge to be detected is placed between multiple groups of clamping plates 14, and is extended through multiple groups of second hydraulic cylinders 13, so that the multiple groups of clamping plates 14 clamp the magnetic float level gauge to be detected, then the driving motor 10 is opened, the slide block 9 is moved leftwards through the transmission of the screw rod 11, the right ends of the left circulating pipe 3 and the water pipe 4 are respectively sleeved on the water inlet and the water outlet of the magnetic float level gauge to be detected, water is discharged into the water tank 1 through the water discharge valve 6, then the water discharge valve 6 is closed, the air discharge pump 2 is opened, the interior of the water tank 1 is pressurized, so that the two groups of water pipes 4 discharge clean water into the magnetic float level gauge to be detected and the standard magnetic float level gauge 5 respectively, the staff judges whether the magnetic floater liquid level meter needing to be detected is qualified or not by observing the standard magnetic floater liquid level meter 5 and the magnetic floater liquid level meter needing to be detected, then the water in the standard magnetic floater liquid level meter 5 and the magnetic floater liquid level meter needing to be detected is respectively discharged into the water tank 1 through two groups of circulating pipes 3, meanwhile, the water discharged back through the left circulating pipe 3 is filtered through a plurality of groups of filter screens 16 to reduce impurities entering into the water tank 1, then, after the detection of the magnetic floater liquid level meter needing to be detected is completed, the first connecting valve 20 and the exhaust fan 19 are opened, meanwhile, the second connecting valve 21 is closed, the exhaust fan 19 discharges air into the heating box 17, the air in the heating box 17 is heated through a plurality of groups of heating elements 18, hot air is discharged into the magnetic floater liquid level meter needing to be detected through the top of the left circulating pipe 3, the inside of the magnetic float level gauge that needs to detect is dried, the moisture in the magnetic float level gauge that needs to detect is discharged to water tank 1 through left raceway 4 of rethread, rethread driving motor 10 reverse run makes slider 9 move to the right, left circulating pipe 3 and raceway 4 are kept away from to the magnetic float level gauge that needs to detect, it is that the staff will need the magnetic float level gauge that detects to take off, when the pressure in water tank 1 is too big, through the relief valve 22 with the water tank 1 in to the gas discharge can.

The utility model discloses the main function who realizes does: arrange into the magnetism float level gauge that needs detected and standard magnetism float level gauge 5 with water simultaneously, the staff is through comparison magnetism float level gauge and the standard magnetism float level gauge 5 that need detect, and the magnetism float level gauge that judges need detect is qualified, filters the water of arranging back to in the water tank 1 simultaneously, reduces the impurity that enters into to the water tank 1, later dries through drying device to the inside of the magnetism float level gauge that needs detect.

The installation mode, the connection mode or the setting mode of the magnetic floater liquid level meter calibrating device of the utility model are common mechanical modes, and the calibrating device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a magnetism float level gauge calibrating installation's air discharge pump 2, standard magnetism float level gauge 5, first pneumatic cylinder 7, driving motor 10, second pneumatic cylinder 13, heating element 18, exhaust fan 19 and spirit level 24 are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A magnetic floater liquid level meter calibrating device is characterized by comprising a detecting device, a clamping device, an impurity removing device and a drying device, wherein the clamping device is installed on the detecting device, the impurity removing device is installed in the detecting device, the drying device is installed at the top of the clamping device, the clamping device detects the magnetic floater liquid level meter, the impurity removing device filters water discharged by the magnetic floater liquid level meter, and the drying device dries the inside of the magnetic floater liquid level meter;

the detection device comprises a water tank (1), an exhaust pump (2), two groups of circulating pipes (3), two groups of water conveying pipes (4) and a standard magnetic floater liquid level meter (5), wherein the bottom end of the exhaust pump (2) is connected with the top end of the water tank (1), a drain valve (6) is arranged at the bottom of the side end of the water tank (1), an exhaust port is arranged at the bottom end of the exhaust pump (2), an air inlet is formed in the front end of the exhaust pump (2), the bottom ends of the two groups of circulating pipes (3) and the two groups of water conveying pipes (4) extend into the water tank (1) from the top end of the water tank (1), a water inlet of the standard magnetic floater liquid level meter (5) is connected with the left end of the water conveying pipe (4) on the right side, and a water outlet of the standard magnetic floater liquid level meter (5) is connected with the left end of the circulating pipe (3) on the right side.

2. The calibrating device for the magnetic float liquid level meter as claimed in claim 1, wherein the clamping device comprises two sets of first hydraulic cylinders (7), a top plate (8), a sliding block (9), a driving motor (10), a lead screw (11), a support (12), a plurality of sets of second hydraulic cylinders (13) and a plurality of sets of clamping plates (14), the bottom ends of the two sets of first hydraulic cylinders (7) are connected with the top end of the water tank (1), the top ends of the two sets of first hydraulic cylinders (7) are connected with the bottom end of the top plate (8), the sliding block (9) is slidably mounted at the bottom end of the top plate (8), the top end of the driving motor (10) is connected with the bottom end of the top plate (8), the right end of the lead screw (11) is connected with the left end of the driving motor (10), the left end of the lead screw (11) passes through the sliding block (9) to be rotatably connected with the left end of the bottom end of the top plate (8), the surface of the lead screw (11) is in threaded connection with the middle of the sliding block (9), the top end of the support (12) is connected with the bottom end of the sliding block (9), one end of the plurality of the sets of the second hydraulic cylinders (13) is fixedly mounted on the support (12), and the other ends of the sets of the second hydraulic cylinders (13) are respectively connected with the clamping plates (14).

3. The calibrating apparatus for the magnetic float level meter according to claim 1, wherein the impurity removing device comprises a filter box (15) and a plurality of groups of filter screens (16), the top end of the filter box (15) is connected with the top end in the water tank (1), the top end in the filter box (15) is provided with a baffle, the interior of the filter box (15) is communicated with the interior of the water tank (1), the bottom end of the left circulating pipe (3) is communicated with the interior of the filter box (15), and the plurality of groups of filter screens (16) are all arranged in the filter box (15).

4. The calibrating apparatus for the magnetic float level meter as claimed in claim 2, wherein the drying apparatus comprises a heating box (17), a plurality of sets of heating elements (18), a fan (19), a first connecting valve (20) and a second connecting valve (21), the bottom end of the heating box (17) is connected with the top end of the top plate (8), the plurality of sets of heating elements (18) are all installed inside the heating box (17), the left end of the fan (19) is connected with the right end of the heating box (17), the top end of the first connecting valve (20) is communicated with the inside of the heating box (17) through a connecting pipe, the bottom end of the first connecting valve (20) is communicated with the inside of the left circulating pipe (3), and the second connecting valve (21) is installed on the top of the left circulating pipe (3).

5. The calibrating device for the magnetic float liquid level meter as claimed in claim 1, characterized by further comprising a pressure relief valve (22), wherein the side end of the pressure relief valve (22) is connected with the top of the side end of the water tank (1).

6. The calibrating device for the magnetic float liquid level meter as claimed in claim 1, further comprising a plurality of groups of adjustable bases (23) and levels (24), wherein the plurality of groups of adjustable bases (23) are all installed at the bottom of the water tank (1) in a threaded manner, and the rear ends of the levels (24) are connected with the front end of the water tank (1).

7. The calibrating device for the magnetic float liquid level meter as claimed in claim 1, characterized in that it further comprises an observation window (25), the rear end of the observation window (25) is connected with the front end of the water tank (1).

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