CN219284418U - Material level meter capable of preventing probe from depositing ash - Google Patents

Abstract

The utility model relates to the technical field of level gauges, and discloses a level gauge capable of preventing dust accumulation of a probe, wherein an electromagnetic valve is arranged on the left surface of an air compression pipe, a filtering pressure reducer is arranged on the middle surface of the air compression pipe, a manual valve is arranged on the right surface of the air compression pipe, a stepping motor is arranged in an inner cavity of a mounting box, a screw rod is coaxially fixed on a rotor of the stepping motor, a lifting rod is meshed with the periphery of the screw rod, and the lifting rod is connected with the bottom of a hairbrush propeller. The additionally arranged filtering pressure reducer can adjust the purging pressure, and the manual valve is convenient for cutting off the air source when the electromagnetic valve is overhauled, so that manual purging is not needed, and the labor intensity of maintenance personnel is greatly reduced; the stepping motor additionally arranged can drive the hairbrush to be tightly attached to the probe of the level indicator, so that the hairbrush can more effectively clean dust adsorbed on the surface of the probe of the level indicator, and accurate measurement of the level indicator is achieved.

Description

Material level meter capable of preventing probe from depositing ash

Technical Field

The utility model relates to the technical field of level indicators, in particular to a level indicator for preventing dust accumulation of a probe.

Background

The level gauge is a gauge for detecting the change of the height of solid materials in a container in real time, and the level detection has an important role in the production automation process of modern coal preparation plants. The volume or weight of the material stored in the container can be estimated to be maintained at a desired level or the upper and lower limit positions can be alerted to continuously monitor or adjust the balance of the incoming and outgoing material in the container.

At present ash storehouse and limestone powder storehouse charge level indicator, owing to measure the operating mode reason, the dust has often been hung to the probe lower part, fluctuation and jump appear in the charge level, need often go to clean the probe, and because the dust is after long-time absorption, inconvenient staff is to the clearance of dust, it is time consuming, laborious, very big increase maintainer's working strength, the charge level indicator probe is according to the time difference of transmission and receipt sound wave, thereby calculate the distance of thing to the sensor, under the condition that has the dust, the dust can absorb ultrasonic pulse's energy, therefore reduce sensor standard measurement distance, cause the liquid level fluctuation, even the possibility of losing the ripples appears.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a level gauge for preventing dust accumulation of a probe, which aims to solve the problems in the background art.

(II) technical scheme

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a prevent charge level indicator of probe deposition, includes the mount, the upper surface left side of mount is equipped with the mounting panel, the lower surface four sides of mounting panel all is fixed with the backup pad, the bottom of backup pad is fixed in the upper surface of mount, the middle part of mounting panel is fixed with the charge level indicator body, and is located the right side of the backup pad on right side and install the air compression pipe, the left part surface mounting of air compression pipe has the solenoid valve, the mid-surface mounting of air compression pipe has the filtration pressure reducer, the right part surface mounting of air compression pipe has manual valve.

In a second aspect, a brush pusher is arranged on the left side of the supporting plate, an opening is formed in the surface of the supporting plate located on the left side, a brush is installed on the right side of the brush pusher and penetrates through the opening of the supporting plate, and a position switch is installed on the surface of the brush pusher.

In the third aspect, a mounting box is mounted on the left side of the upper surface of the fixing frame, and a stepping motor is mounted in an inner cavity of the mounting box.

In a fourth aspect, the rotor of the stepper motor is coaxially fixed with a screw rod, a lifting rod is meshed with the periphery of the screw rod, and the lifting rod is connected with the bottom of the brush propeller.

In a fifth aspect, the two sides of the lifting rod are respectively fixed with a sliding block, the inner walls of the two sides of the mounting box are respectively provided with a sliding groove, and the sliding blocks are respectively embedded into the sliding grooves at the corresponding positions.

In a sixth aspect, a timing relay is mounted on the lower surface of the fixing frame, and the timing relay is connected with the brush propeller and the electromagnetic valve through wires respectively.

Advantageous effects

Compared with the prior art, the utility model provides the charge level indicator for preventing dust accumulation of the probe, which has the following beneficial effects:

1. according to the charge level indicator for preventing the dust accumulation of the probe, the additionally arranged filtering pressure reducer can adjust the purging pressure, the manual valve is convenient for cutting off the air source when the electromagnetic valve is overhauled, manual purging is not needed, the labor intensity of maintenance personnel is greatly reduced, and the frequent dust hanging phenomenon of the probe of the charge level indicator does not occur after the purging device is used;

2. this prevent charge level indicator of probe deposition, the step motor that adds to establish can drive the lead screw and rotate, and the lead screw rotates and can drive the lifter and remove, and the lifter removes and can drive the brush propeller and go up and down, and the brush also can paste tightly with the charge level indicator probe along with going up and down for the brush can be more effectual clear up the dust of adsorbing on the charge level indicator probe surface, reaches the accurate measurement of charge level indicator.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is an enlarged schematic view of the structure of fig. 1 at a.

In the figure: 1. a fixing frame; 2. a mounting plate; 3. a support plate; 4. a level gauge body; 5. an air compression tube; 6. an electromagnetic valve; 7. a filtering pressure reducer; 8. a manual valve; 9. a brush pusher; 10. a brush; 11. a position switch; 12. a mounting box; 13. a stepping motor; 14. a screw rod; 15. a lifting rod; 16. a slide block; 17. a chute; 18. a timing relay.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, a charge level indicator for preventing probe dust accumulation, which comprises a fixing frame 1, a mounting plate 2, a supporting plate 3, a charge level indicator body 4, an air compression pipe 5, an electromagnetic valve 6, a filtering pressure reducer 7, a manual valve 8, a brush propeller 9, a brush 10, a position switch 11, a mounting box 12, a stepping motor 13, a screw rod 14, a lifting rod 15, a sliding block 16, a sliding chute 17 and a timing relay 18, wherein the left side of the upper surface of the fixing frame 1 is provided with the mounting plate 2, the four sides of the lower surface of the mounting plate 2 are respectively fixed with the supporting plate 3, the bottom of the supporting plate 3 is fixed on the upper surface of the fixing frame 1, the middle part of the mounting plate 2 is fixed with the charge level indicator body 4, the right side of the supporting plate 3 positioned on the right side is provided with the air compression pipe 5, the left surface of the air compression pipe 5 is provided with the electromagnetic valve 6, the middle surface of the air compression pipe 5 is provided with the filtering pressure reducer 7, the right surface of the air compression pipe 5 is provided with a manual valve 8, the filtering pressure reducer 7 can adjust the purging pressure, the manual valve 8 is convenient for cutting off the air source when the electromagnetic valve 6 overhauls, manual purging is not needed, the labor intensity of maintenance personnel is greatly reduced, after the purging device is used, the probe of the charge level indicator does not have frequent ash hanging phenomenon, the cycle time and the action time are adjusted according to the ash hanging period condition of the site material level, the cycle time is set to 24 hours in the timing relay 18, the action time is 3 minutes each time, the timing relay 18 is utilized for controlling, the electromagnetic valve 6 is electrified to open the purging air source when the contact of the timing relay 18 is closed, meanwhile, the brush 10 is electrified to rotate to push the purging probe, the electromagnetic valve 6 is powered off when the contact of the timing relay 18 is disconnected, and the brush 10 is powered off to stop rotating and exit, the normally open contact of the timing relay 18 controls the propulsion of the brush 10 propeller, the normally closed contact controls the withdrawal of the brush propeller 9, the position switch 11 controls the stopping of the brush propeller 9, the left side of the supporting plate 3 is provided with the brush propeller 9, the surface of the supporting plate 3 positioned at the left side is provided with an opening, the right side of the brush propeller 9 penetrates through the opening of the supporting plate 3 to be provided with the brush 10, the surface of the brush propeller 9 is provided with the position switch 11, referring to fig. 2, the left side of the upper surface of the fixing frame 1 is provided with the mounting box 12, the inner cavity of the mounting box 12 is provided with the stepping motor 13, the rotor of the stepping motor 13 is coaxially fixed with the screw rod 14, the periphery of the screw rod 14 is meshed with the lifting rod 15, the lifting rod 15 is connected with the bottom of the brush propeller 9, starting the stepping motor 13 can drive the screw rod 14 to rotate, the screw rod 14 rotates and can drive the lifting rod 15 to move, the lifting rod 15 moves and can drive the brush propeller 9 to lift, the brush 10 can also be tightly attached to the probe of the level indicator along with lifting, so that the brush 10 can more effectively clean dust adsorbed on the surface of the probe of the level indicator, accurate measurement of the level indicator is achieved, sliding blocks 16 are fixed on two sides of the lifting rod 15, sliding grooves 17 are formed in inner walls of two sides of the mounting box 12, the sliding blocks 16 are embedded into the sliding grooves 17 at corresponding positions, referring to fig. 1, a timing relay 18 is mounted on the lower surface of the fixing frame 1, and the timing relay 18 is connected with the brush propeller 9 and the electromagnetic valve 6 through wires.

The working principle of the device is as follows: according to the ash hanging period condition of the site material level, the circulation time and the action time are adjusted, the circulation time is set to 24 hours in the timing relay 18, the action time is 3 minutes each time, the timing relay 18 is utilized for control, when the contact of the timing relay 18 is closed, the electromagnetic valve 6 is electrified to open a purging air source, meanwhile, the brush 10 is electrified to rotate to push the cleaning probe, when the contact of the timing relay 18 is opened, the electromagnetic valve 6 is in power failure to disconnect the purging air source, meanwhile, the brush 10 is in power failure to stop rotating and quit, the normally open contact of the timing relay 18 controls the pushing of the brush 10 propeller, the normally closed contact controls the quit of the brush propeller 9, and the position switch 11 controls the stop of the brush propeller 9.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent charge level indicator of probe deposition, includes mount (1), its characterized in that: the utility model discloses a level gauge structure, including fixing frame (1), mounting panel (2), mounting panel (5), air compression pipe (5)'s left part surface mounting has solenoid valve (6), air compression pipe (5)'s middle part surface mounting has filtration pressure reducer (7), air compression pipe (5)'s right part surface mounting has manual valve (8).

2. The level gauge for preventing dust accumulation on a probe according to claim 1, wherein: the left side of backup pad (3) is equipped with brush propeller (9), and is located the surface of left backup pad (3) and seted up the opening, brush (10) are installed in the opening that the right side of brush propeller (9) runs through backup pad (3), the surface mounting of brush propeller (9) has position switch (11).

3. The level gauge for preventing dust accumulation on a probe according to claim 1, wherein: the left side of the upper surface of the fixing frame (1) is provided with an installation box (12), and the inner cavity of the installation box (12) is provided with a stepping motor (13).

4. A probe dust accumulation prevention level gauge according to claim 3, wherein: the rotor of the stepping motor (13) is coaxially fixed with a screw rod (14), a lifting rod (15) is meshed with the periphery of the screw rod (14), and the lifting rod (15) is connected with the bottom of the brush propeller (9).

5. The probe ash deposition prevention level gauge of claim 4, wherein: the two sides of the lifting rod (15) are respectively fixed with a sliding block (16), sliding grooves (17) are respectively formed in the inner walls of the two sides of the installation box (12), and the sliding blocks (16) are respectively embedded into the sliding grooves (17) at corresponding positions.

6. The level gauge for preventing dust accumulation on a probe according to claim 2, wherein: the lower surface of the fixing frame (1) is provided with a timing relay (18), and the timing relay (18) is respectively connected with the brush propeller (9) and the electromagnetic valve (6) through wires.

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