Reciprocating touch type flame-proof and intrinsic safety type coal bunker level gage for coal mine

Abstract

The utility model relates to the technical field of coal bunker level gauges, and provides a coal mine reciprocating touch type explosive-proof and intrinsic safety type coal bunker level gauge which comprises a body, a display screen is fixedly installed on the front side of the body, a driving block is fixedly installed on the front side of an inner cavity of the body, and an installation plate is fixedly installed on the front side of the inner cavity of the body. A round rod is movably mounted in the middle of the mounting plate, and a bobbin is detachably mounted on the outer surface of the round rod; according to the reciprocating touch type explosive-proof and intrinsic safety type coal bunker level indicator for the coal mine, through matched use of a vertical rod structure and a rubber ring structure, in the working process, when a steel wire rope moves upwards to pass through different rubber rings, coal powder attached to the surface of the steel wire rope is scraped off through the inverted buckling design of inner cavities in the bottoms of the rubber rings, and the coal bunker level indicator is used for indicating the coal mine level. Meanwhile, the partition plate is connected with the inner rod and the outer rod through the spring damper and matched with rubber pads on the upper side and the lower side of the partition plate, the detection block is prevented from directly colliding and making contact with the bottom of the body, and the effects of effectively scraping coal powder attached to the surface of the steel wire rope and protecting the whole device are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal bunker level meters, and in particular to a reciprocating touch-type flameproof and intrinsically safe coal bunker level meter for coal mines. Background Art

[0002] Raw coal bunker refers to the storage bunker for raw coal, coal slime and other granular materials in thermal power plants. Whether the shape of the raw coal bunker material level is regular, the size of the material level stacking angle, dust pollution, the size of the material level range and the installation position will affect the measurement effect of the material level meter. Traditionally, radar level meters and ultrasonic level meters are used to detect the material level. Both of these level meters are indirectly measured, and raw coal is easily affected by temperature, external environment, etc., resulting in inconsistent material level heights at the same material level due to different reflection intensities on the surface of the medium. Therefore, the detection accuracy of radar level meters and ultrasonic level meters is not good. The heavy hammer type material level meter is a direct measurement, but the steel rope is easy to carry dust into the material level meter, and the heavy hammer will hit the material level meter body when it is retracted, affecting the installation stability of components such as the pay-off shaft and the contact between the lines, resulting in a short use time of the material level meter and high equipment maintenance costs.

[0003] After searching, the Chinese patent announcement number is CN215045661U, which discloses a touch-type coal bunker level meter for coal mines. In this patent, the first metering wheel and the second metering wheel cooperate to limit the recovery of the lowering of the wire rope, and cooperate with the servo motor and the pulse counter to accurately record the number of rotations of the first metering wheel. The remaining storage space of the coal bunker can be obtained by calculation. The first metering wheel and the second metering wheel are provided with an anti-skid layer to prevent the wire rope from slipping and causing inaccurate measurement.

[0004] However, as can be seen from the attached drawings, when the above-mentioned device is in use, the metering wheel 1 and the metering wheel 2 cooperate to scrape off the impurities mixed on the surface of the wire rope when it is reeled in while counting the wire rope. However, this method cannot effectively clean all the impurities on the surface of the wire rope, resulting in some impurities still being able to enter the inner cavity of the device during the reeling process. At the same time, when the above-mentioned device is in use, the detection ball may hit the bottom of the shell when it is reset, thereby causing damage to the entire device. Utility Model Content

[0005] The utility model proposes a reciprocating touch-type flameproof and intrinsically safe coal bunker level meter for coal mines, which has the advantages of effectively scraping off coal powder attached to the surface of the wire rope and protecting the entire device, and solves the problems in the related art that the coal powder attached to the surface of the wire rope cannot be cleaned, causing the inner wall of the device to be damaged, and the collision between the measuring device and the main device causes damage to the entire device.

[0006] The technical scheme of the utility model is as follows: a reciprocating touch-type explosion-proof and intrinsically safe coal bin level meter for coal mines comprises a main body, a display screen is fixedly installed on the front side of the main body, a driving block is fixedly installed on the front side of the inner cavity of the main body, a mounting plate is fixedly installed on the front side of the inner cavity of the main body, a round rod is movably installed in the middle of the mounting plate, a wire drum is detachably installed on the outer surface of the round rod, a wire rope is wound on the outer surface of the wire drum, a mounting block is fixedly installed on the bottom of the inner cavity of the main body through a telescopic rod, metering wheels are movably installed on the left and right sides of the inner cavity of the mounting block, outer rods are fixedly installed on the left and right sides of the bottom of the main body, a spring damper is fixedly installed in the inner cavity of the outer rod, an inner rod is fixedly installed at the bottom of the spring damper, a partition is fixedly installed on the bottom of the inner rod, rubber pads are fixedly installed on the upper and lower sides of the partition, a vertical rod is fixedly installed in the middle of the bottom of the main body, a plurality of rubber rings are fixedly installed in the middle of the vertical rod, a detection block is fixedly connected to the bottom of the main body through a wire rope, and a pressure sensor is fixedly installed at the bottom of the detection block.

[0007] Preferably, the driving block comprises a motor and a controller, the output shaft of the motor is connected to the round rod, and the controller is connected to the metering wheel and the display screen respectively through wires, so that when in use, after the driving block is started, the motor controls the round rod to rotate and start.

[0008] Preferably, the driving block, the mounting plate and the bobbin are sequentially arranged from front to back, and the bobbin is movably mounted on the rear side of the mounting plate via a round rod.

[0009] Preferably, the inner surface of the metering wheel is provided with an anti-skid layer, and the edges of the inner cavity of the metering wheel are all arc-shaped, so that when in use, the anti-skid layer of the inner cavity of the metering wheel and the arc-shaped edge design can be used to avoid wear on the passing wire rope.

[0010] Preferably, the inner rod is movably connected to the outer rod via a spring damper, so that when in use, the spring damper is utilized to reduce damage to the partition and the body after the detection block is recovered.

[0011] Preferably, the bottom of the wire rope is arranged in the middle of the left and right metering wheels, a round hole is opened at the bottom of the body, and the wire rope passes through the left and right metering wheels, the round hole, the vertical rod and all the rubber rings to be connected to the detection block.

[0012] Preferably, the rubber rings are evenly distributed on the outer surface of the vertical rod, and the bottom inner cavity of the rubber ring is of an inverted design. The shape of the cross-section of the inner cavity of the rubber ring matches the shape of the cross-section of the wire rope. Therefore, during use, when the wire rope moves up through different rubber rings, the inverted design of the bottom inner cavity of the rubber ring is utilized to scrape off the coal powder adhered to the surface of the wire rope.

[0013] Preferably, the height of the vertical rod is less than the height of the outer rod, and the rubber pad is constructed of a synthetic rubber material, so that when in use, the spring damper, the partition and the rubber pad are utilized to reduce the collision damage to the main body caused by the recovery of the detection block.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. The reciprocating touch-type flameproof and intrinsically safe coal bunker level meter for coal mines is used in conjunction with the vertical rod structure and the rubber ring structure. During operation, when the wire rope moves upward through different rubber rings, the inverted design of the inner cavity at the bottom of the rubber ring is used to scrape off the coal powder attached to the surface of the wire rope. At the same time, because the partition is connected to the outer rod through the spring damper and the inner rod, and the rubber pads on the upper and lower sides of the partition are used, the detection block is prevented from directly colliding with the bottom of the body, thereby effectively scraping off the coal powder attached to the surface of the wire rope and protecting the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a schematic diagram of the front appearance of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the back appearance of the overall structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the appearance of the overall structure of the utility model after being cut away from the top left side;

[0020] Figure 4 It is a schematic diagram of the appearance of the overall structure of the utility model after being cut away from the bottom right side;

[0021] Figure 5 For this utility model Figure 4 A schematic diagram of the structure at A;

[0022] Figure 6 For this utility model Figure 4 Schematic diagram of the structure at point B.

[0023] In the figure: 1. body; 2. display screen; 3. drive block; 4. mounting plate; 5. round rod; 6. bobbin; 7. wire rope; 8. mounting block; 9. metering wheel; 10. outer rod; 11. spring damper; 12. inner rod; 13. partition; 14. rubber pad; 15. vertical rod; 16. rubber ring; 17. detection block; 18. pressure sensor. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 to Figure 6As shown, a reciprocating touch-type flameproof and intrinsically safe coal bunker level meter for coal mines comprises a body 1, a display screen 2 is fixedly installed on the front side of the body 1, a driving block 3 is fixedly installed on the front side of the inner cavity of the body 1, a mounting plate 4 is fixedly installed on the front side of the inner cavity of the body 1, a round rod 5 is movably installed in the middle of the mounting plate 4, a wire drum 6 is detachably installed on the outer surface of the round rod 5, the driving block 3, the mounting plate 4 and the wire drum 6 are distributed from front to back in sequence, the wire drum 6 is movably installed on the rear side of the mounting plate 4 through the round rod 5, a steel wire rope 7 is wound on the outer surface of the wire drum 6, a mounting block 8 is fixedly installed on the bottom of the inner cavity of the body 1 through a telescopic rod, metering wheels 9 are movably installed on the left and right sides of the inner cavity of the mounting block 8, and the driving block 8 is fixedly installed on the bottom of the inner cavity of the body 1 through a telescopic rod. 3 comprises a motor and a controller, the output shaft of the motor is connected to the round rod 5, and the controller is connected to the metering wheel 9 and the display screen 2 through a wire, so that when in use, after the driving block 3 is started, the motor controls the round rod 5 to rotate and start, the inner cavity surface of the metering wheel 9 is provided with an anti-skid layer, and the edges of the inner cavity of the metering wheel 9 are all arc-shaped, so that when in use, the anti-skid layer of the inner cavity of the metering wheel 9 and the arc-shaped design of the edges are utilized to avoid abrasion of the passing steel wire rope 7, the left and right sides of the bottom of the body 1 are fixedly installed with an outer rod 10, the inner cavity of the outer rod 10 is fixedly installed with a spring damper 11, the bottom of the spring damper 11 is fixedly installed with an inner rod 12, and the inner rod 12 is connected to the outer rod 10 through the spring damper 11. The rod 10 is movably connected, so that when in use, the spring damper 11 is used to lower the detection block 17 to recover the partition 13 and the body 1, and the partition 13 is fixedly installed at the bottom of the inner rod 12, and the upper and lower sides of the partition 13 are fixedly installed with rubber pads 14. A vertical rod 15 is fixedly installed in the middle of the bottom of the body 1, and a plurality of rubber rings 16 are fixedly installed in the middle of the vertical rod 15. The rubber rings 16 are evenly distributed on the outer surface of the vertical rod 15, and the bottom inner cavity of the rubber ring 16 is an inverted buckle design. The shape of the cross-section of the inner cavity of the rubber ring 16 matches the shape of the cross-section of the wire rope 7. Therefore, during use, when the wire rope 7 moves up and passes through different rubber rings 16, the inner cavity of the bottom of the rubber ring 16 is used to prevent the wire rope 7 from moving upward. The cavity is designed with an inverted button, so that the coal powder attached to the surface of the wire rope 7 can be scraped off. The bottom of the main body 1 is fixedly connected with a detection block 17 through the wire rope 7. The bottom of the wire rope 7 is set in the middle of the left and right metering wheels 9. A circular hole is opened at the bottom of the main body 1. The wire rope 7 passes through the left and right metering wheels 9, the circular hole, the vertical rod 15 and all the rubber rings 16 to be connected with the detection block 17. A pressure sensor 18 is fixedly installed at the bottom of the detection block 17. The height of the vertical rod 15 is less than the height of the outer rod 10. The rubber pad 14 is made of synthetic rubber material. When in use, the spring damper 11, the partition 13 and the rubber pad 14 are used to reduce the collision damage to the main body 1 caused by the recovery of the detection block 17.

[0026] Working principle: When working, the controller in the inner cavity of the driving block 3 starts the control motor, thereby driving the round rod 5 and the wire drum 6 to rotate, so that the wire rope 7 is loosened to facilitate the downward movement of the detection block 17, until the detection block 17 and the pressure sensor 18 contact the bottom of the coal bin, and then the data obtained by the detection block 17 and the pressure sensor 18 are recovered to the controller contained in the inner cavity of the driving block 3, and displayed on the display screen 2;

[0027] Afterwards, the controller controls the motor to start again, so that the round rod 5 and the wire drum 6 rotate in opposite directions, so as to reel in the wire rope 7 and wrap it around the outer surface of the wire drum 6. When the wire rope 7 is reeled in, because the wire rope 7 passes through the rubber ring 16, the inverted design of the inner cavity at the bottom of the rubber ring 16 is used to scrape off the coal powder attached to the surface of the wire rope 7, so as to prevent the coal powder from entering the inner cavity of the main body 1 with the wire rope 7 and causing damage to other structures of the inner cavity of the main body 1. At the same time, as the wire rope 7 continues to shrink, the detection block 17 gradually moves up until it contacts the partition 13. At this time, the partition 13 is connected to the spring damper 11 in the inner cavity of the outer rod 10 through the inner rod 12, and cooperates with the rubber pads 14 on the upper and lower sides of the partition 13 to prevent the detection block 17 from directly colliding with the bottom of the main body 1, thereby causing the main body 1 and the inner cavity structure of the main body 1 to shrink.

[0028] In summary, this reciprocating touch-type flameproof and intrinsically safe coal bunker level meter for coal mines has the advantages of effectively scraping off the coal powder adhering to the surface of the wire rope 7 and protecting the entire device compared to general similar devices.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines, characterized in that: The invention comprises a body (1), a display screen (2) is fixedly mounted on the front side of the body (1), a driving block (3) is fixedly mounted on the front side of the inner cavity of the body (1), a mounting plate (4) is fixedly mounted on the front side of the inner cavity of the body (1), a round rod (5) is movably mounted in the middle of the mounting plate (4), a wire drum (6) is detachably mounted on the outer surface of the round rod (5), a steel wire rope (7) is wound around the outer surface of the wire drum (6), a mounting block (8) is fixedly mounted on the bottom of the inner cavity of the body (1) via a telescopic rod, metering wheels (9) are movably mounted on the left and right sides of the inner cavity of the mounting block (8), and the left and right sides of the bottom of the body (1) are fixedly mounted An outer rod (10) is provided, a spring damper (11) is fixedly installed in the inner cavity of the outer rod (10), an inner rod (12) is fixedly installed at the bottom of the spring damper (11), a partition (13) is fixedly installed at the bottom of the inner rod (12), rubber pads (14) are fixedly installed on both the upper and lower sides of the partition (13), a vertical rod (15) is fixedly installed in the middle of the bottom of the body (1), a plurality of rubber rings (16) are fixedly installed in the middle of the vertical rod (15), a detection block (17) is fixedly connected to the bottom of the body (1) through a steel wire rope (7), and a pressure sensor (18) is fixedly installed at the bottom of the detection block (17).

2. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The driving block (3) comprises a motor and a controller, wherein the output shaft of the motor is connected to the round rod (5), and the controller is connected to the metering wheel (9) and the display screen (2) respectively through wires.

3. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The driving block (3), the mounting plate (4) and the bobbin (6) are arranged in sequence from front to back, and the bobbin (6) is movably mounted on the rear side of the mounting plate (4) via a round rod (5).

4. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The inner surface of the metering wheel (9) is provided with an anti-slip layer, and the edges of the inner surface of the metering wheel (9) are all designed to be arc-shaped.

5. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The inner rod (12) is movably connected to the outer rod (10) via a spring damper (11).

6. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The bottom of the steel wire rope (7) is arranged in the middle of the left and right metering wheels (9), a round hole is opened at the bottom of the body (1), and the steel wire rope (7) passes through the left and right metering wheels (9), the round hole, the vertical rod (15) and all the rubber rings (16) to be connected with the detection block (17).

7. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The rubber ring (16) is evenly distributed on the outer surface of the vertical rod (15), the bottom inner cavity of the rubber ring (16) is of inverted design, and the shape of the cross section of the inner cavity of the rubber ring (16) matches the shape of the cross section of the steel wire rope (7).

8. A reciprocating touch type flameproof and intrinsically safe coal bunker level meter for coal mines according to claim 1, characterized in that: The height of the vertical rod (15) is smaller than the height of the outer rod (10), and the rubber pad (14) is made of synthetic rubber material.

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