CN215708871U

CN215708871U - Coal bunker based on frequency modulation continuous wave radar level detection

Info

Publication number: CN215708871U
Application number: CN202121728072.XU
Authority: CN
Inventors: 陈杨春; 马孙元; 江远
Original assignee: Shantou Zhongsheng Keying Thermal Power Co ltd
Current assignee: Shantou Zhongsheng Keying Thermal Power Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-01
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a coal bunker for detecting the material level based on a frequency modulation continuous wave radar, relates to the technical field of coal storage, and aims to solve the problem that the material level of the existing coal bunker is not accurate enough. One side of the lower end of the bin body is provided with a fixed oblique block, the fixed oblique block is fixedly connected with the bin body, the fixed block is installed on two sides of the bin body, the fixed block is fixedly connected with the bin body, the fixed block and one side of the fixed oblique block are respectively provided with a fixed groove, an expansion spring is installed on one side of the inside of the fixed groove, a push plate is installed on one end of the expansion spring, the push plate is fixedly connected with the expansion spring, a motor fixing frame is installed on one side of the fixed block and the outside of the fixed oblique block, a driving motor is installed on one side of the inside of the motor fixing frame, the driving motor is fixedly connected with the motor fixing frame, and an eccentric block is installed at the output end of the driving motor.

Description

Coal bunker based on frequency modulation continuous wave radar level detection

Technical Field

The utility model relates to the technical field of coal storage, in particular to a coal bin based on frequency modulation continuous wave radar level detection.

Background

Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. The coal bunker material level is an important parameter of continuous production, equipment safety and yield measurement of coal related enterprises, a frequency modulation continuous wave radar measuring mode is adopted in the mode of detecting the coal bunker material level, the principle is that the distance measurement work is completed by utilizing directional propagation and reflection of a high-frequency radar, and the used sawtooth wave can measure the distance of an object and is matched with the coal bunker material level to realize detection.

However, the existing coal bunker has non-uniformity in coal stacking, and the conventional direct detection method may have large errors, so that the existing requirements are not met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal bunker for detecting the material level based on a frequency modulation continuous wave radar, and the coal bunker for detecting the material level is used for solving the problem that the material level of the coal bunker in the background technology is not accurate enough.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a detect coal bunker based on frequency modulation continuous wave radar material level, includes the storehouse body, one side of the internal portion lower extreme in storehouse is provided with fixed sloping block, and fixed sloping block and storehouse body fixed connection, the fixed block is all installed to the both sides of the internal portion in storehouse, and fixed block and storehouse body fixed connection, fixed block and the inside one side of fixed sloping block all are provided with the fixed slot, expanding spring is installed to the inside one side of fixed slot, expanding spring's one end is installed the push pedal, and push pedal and expanding spring fixed connection, the motor mount is all installed to fixed block and the outside one side of fixed sloping block, a driving motor is installed to the inside one side of motor mount, and a driving motor and motor mount fixed connection, eccentric block is installed to a driving motor's output.

Preferably, motor set casing and laser emitter are installed to one side of internal portion upper end in storehouse, and motor set casing and laser emitter and storehouse body fixed connection, the controller is installed to one side of the external front end in storehouse, the distance detector is installed to one side of the external upper end in storehouse, the input of distance detector and laser emitter's output electric connection, the output of distance detector and the input electric connection of controller, the fixed strip is installed to one side of the internal portion rear end in storehouse, and fixed strip and storehouse body fixed connection.

Preferably, one side of the inside of fixed strip is provided with the rack, the externally mounted of fixed strip has the slider, and slider and fixed strip sliding connection, the fourth drive motor is installed to one side of the inside lower extreme of slider, drive gear is installed to fourth drive motor's output, and drives the gear and be connected with the rack meshing.

Preferably, a third driving motor is installed on one side of the upper end inside the sliding block, the third driving motor is fixedly connected with the sliding block, and a push rod is installed at the output end of the third driving motor.

Preferably, the inside mounting of motor set casing has second driving motor, the dead lever is installed to second driving motor's output, a plurality of radar detection heads are installed to one side of the outside lower extreme of dead lever, and the radar detection head distributes in proper order.

Preferably, a support column is installed on one side of the lower end of the outer portion of the bin body and is connected with the bin body in a welded mode, a bottom cover is installed in the middle of the lower end of the outer portion of the bin body and is connected with the bin body in a matched mode through threads, a rotary table is installed on one side of the lower end of the bottom cover and is connected with the bottom cover in a welded mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the coal storage bin, the first driving motor is arranged inside the motor fixing frame, the first driving motor is started, the eccentric block at the output end of the first driving motor rotates, and due to the fact that the lengths of the two ends of the eccentric block are different, the push plate is repeatedly impacted when the eccentric block rotates, so that the push plate is subjected to acting force to do reciprocating motion, coal stacked on one side of the push plate shakes, the stacked coal shakes to move inside the bin body, coal with small volume falls into gaps among large coals, and flatness during coal stacking is improved.

2. According to the utility model, the laser emitter is arranged on one side of the upper end of the bin body, the laser emitter emits laser, the distance detector measures the horizontal height of part of coal in the bin body, a signal is transmitted to the controller, the controller transmits a starting signal to the fourth driving motor in the sliding block, the driving gear at the output end of the fourth driving motor rotates to drive the gear and the rack to transmit under the meshing action, the rotating motion is converted into linear motion, so that the sliding block is lifted to the height of the top end of the coal block, then the third driving motor is started, the push rod at the output end of the third driving motor makes left-right swinging motion in the bin body to push unstable coal accumulated on the top, and the top of the coal is smoothed in such a way.

3. According to the coal level detection device, the radar detection head and the radar detection head are mounted on one side of the lower end of the fixing rod, the radar detection head transmits radar signals to detect the coal level in the bin body, meanwhile, the second driving motor is started, the fixing rod at the output end of the second driving motor rotates, the occupied space is reduced by fixing the radar detection head through the fixing rod, the detection range of the radar detection head on one side of the lower end of the fixing rod is increased through rotation, and therefore the detection accuracy is improved.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 according to the present invention;

FIG. 4 is a top view of the internal structure of the cartridge body of the present invention;

fig. 5 is a schematic view of the fixing block structure of the present invention.

In the figure: 1. a bin body; 2. a support pillar; 3. a bottom cover; 4. a turntable; 5. a fixed block; 6. pushing the plate; 7. a tension spring; 8. fixing grooves; 9. an eccentric block; 10. a motor fixing frame; 11. a first drive motor; 12. a distance detector; 13. a laser transmitter; 14. a second drive motor; 15. a motor fixing shell; 16. fixing the rod; 17. a radar detection head; 18. a fixing strip; 19. a rack; 20. a slider; 21. a third drive motor; 22. a fourth drive motor; 23. a drive gear; 24. a push rod; 25. a controller; 26. and fixing the inclined block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a coal bunker for detecting material level based on frequency modulation continuous wave radar comprises a bunker body 1, wherein one side of the lower end inside the bunker body 1 is provided with a fixed inclined block 26, the fixed inclined block 26 is fixedly connected with the bunker body 1, two sides inside the bunker body 1 are respectively provided with a fixed block 5, the fixed blocks 5 are fixedly connected with the bunker body 1, one sides inside the fixed blocks 5 and the fixed inclined blocks 26 are respectively provided with a fixed groove 8, one side inside the fixed groove 8 is provided with a telescopic spring 7, one end of the telescopic spring 7 is provided with a push plate 6, the push plate 6 is fixedly connected with the telescopic spring 7, one sides outside the fixed blocks 5 and the fixed inclined blocks 26 are respectively provided with a motor fixing frame 10, one side inside the motor fixing frame 10 is provided with a first driving motor 11, the first driving motor 11 is fixedly connected with the motor fixing frame 10, the output end of the first driving motor 11 is provided with an eccentric block 9, the push plate 6 is repeatedly pushed through the rotation of the eccentric block 9 to shake coal to fill gaps, thereby make coal roughness improve, convenient detection.

Further, motor set casing 15 and laser emitter 13 are installed to one side of the inside upper end in storehouse body 1, and motor set casing 15 and laser emitter 13 and storehouse body 1 fixed connection, controller 25 is installed to one side of the outside front end in the storehouse body 1, distance detector 12 is installed to one side of the outside upper end in the storehouse body 1, distance detector 12's input and laser emitter 13's output electric connection, distance detector 12's output and controller 25's input electric connection, fixed strip 18 is installed to one side of the inside rear end in the storehouse body 1, and fixed strip 18 and storehouse body 1 fixed connection.

Further, a rack 19 is arranged on one side inside the fixing strip 18, a sliding block 20 is mounted on the outer portion of the fixing strip 18, the sliding block 20 is connected with the fixing strip 18 in a sliding mode, a fourth driving motor 22 is mounted on one side of the lower end inside the sliding block 20, a driving gear 23 is mounted at the output end of the fourth driving motor 22, and the driving gear 23 is meshed with the rack 19.

Further, third driving motor 21 is installed to one side of the inside upper end of slider 20, and third driving motor 21 and slider 20 fixed connection, and push rod 24 is installed to the output of third driving motor 21, and push rod 24 rotates and makes the coal of piling up too high pushed and smooths.

Further, the internally mounted of motor set casing 15 has second driving motor 14, and dead lever 16 is installed to the output of second driving motor 14, and a plurality of radar detection head 17 are installed to one side of the outside lower extreme of dead lever 16, and radar detection head 17 distributes in proper order, and it plays the effect that the reduction took storehouse body 1 inner space to install radar detection head 17 through dead lever 16, and simultaneously, dead lever 16 rotates the detection range who increases radar detection head 17.

Further, support column 2 is installed to one side of the outside lower extreme of storehouse body 1, and

support column

2 and 1 welded connection of storehouse body, and bottom 3 is installed to the intermediate position department of the outside lower extreme of storehouse body 1, and bottom 3 is connected through screw-thread fit with the storehouse body 1, and carousel 4 is installed to one side of bottom 3 lower extreme, and carousel 4 and 3 welded connection of bottom, support column 2 plays the supporting role to the storehouse body 1.

The working principle is as follows: when the coal bunker is used, the bunker body 1 is placed through the supporting column 2, coal enters from an inlet at the top end of the bunker body 1, the first driving motor 11 arranged in the motor fixing frame 10 is started, the eccentric block 9 at the output end of the first driving motor 11 rotates, because the lengths of two ends of the eccentric block 9 are different, the eccentric block 9 repeatedly impacts the push plate 6 when rotating, so that the push plate 6 is subjected to an acting force to do reciprocating motion, further, the coal stacked on one side of the push plate 6 shakes, the stacked coal shakes to move in the bunker body 1, the coal with smaller volume falls into gaps among big coals, so that the flatness of the coal when being stacked is improved, meanwhile, the laser emitter 13 emits laser, the distance detector 12 measures the horizontal height of part of the coal in the bunker body 1, signals are transmitted to the controller 25, the controller 25 transmits starting signals to the fourth driving motor 22 in the sliding block 20, the driving gear 23 at the output end of the fourth driving motor 22 rotates, the driving gear 23 and the rack 19 are driven under the meshing action to convert the rotary motion into linear motion, so that the sliding block 20 is lifted to the height of the top end of the coal briquette, then the third driving motor 21 is started, the push rod 24 at the output end of the third driving motor 21 makes left-right swinging motion in the bin body 1 to push unstable coal stacked at the top, in this way, the top of the coal is smoothed, the radar detection head 17 arranged at one side of the lower end of the fixing rod 16 is started, the radar detection head 17 transmits radar signals to detect the material level of the coal in the bin body 1, meanwhile, the second driving motor 14 is started, the fixing rod 16 at the output end of the second driving motor 14 rotates, the occupied space is reduced by adopting the fixing rod 16 to fix the radar detection head 17, the detection range of the radar detection head 17 at one side of the lower end of the fixing rod 16 is increased by rotating, and further improves the accuracy of detection.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coal bunker for level detection based on frequency modulation continuous wave radar, includes the storehouse body (1), its characterized in that: a fixed inclined block (26) is arranged on one side of the lower end in the bin body (1), the fixed inclined block (26) is fixedly connected with the bin body (1), fixed blocks (5) are respectively installed on two sides in the bin body (1), the fixed blocks (5) are fixedly connected with the bin body (1), a fixed groove (8) is respectively arranged on one sides in the fixed blocks (5) and the fixed inclined block (26), an extension spring (7) is installed on one side in the fixed groove (8), a push plate (6) is installed at one end of the extension spring (7), the push plate (6) is fixedly connected with the extension spring (7), a motor fixing frame (10) is respectively installed on one sides outside the fixed blocks (5) and the fixed inclined block (26), a first driving motor (11) is installed on one side in the motor fixing frame (10), and the first driving motor (11) is fixedly connected with the motor fixing frame (10), an eccentric block (9) is installed at the output end of the first driving motor (11).

2. The frequency modulated continuous wave radar-based level detection bunker of claim 1, wherein: motor set casing (15) and laser emitter (13) are installed to one side of the inside upper end in the storehouse body (1), and motor set casing (15) and laser emitter (13) and storehouse body (1) fixed connection, controller (25) are installed to one side of the outside front end in the storehouse body (1), distance detector (12) are installed to one side of the outside upper end in the storehouse body (1), the input of distance detector (12) and the output electric connection of laser emitter (13), the output of distance detector (12) and the input electric connection of controller (25), fixed strip (18) are installed to one side of the inside rear end in the storehouse body (1).

3. The frequency modulated continuous wave radar-based level detection bunker of claim 2, wherein: the utility model discloses a fixed bar (18) is characterized in that one side of fixed bar (18) inside is provided with rack (19), the externally mounted of fixed bar (18) has slider (20), and slider (20) and fixed bar (18) sliding connection, fourth driving motor (22) are installed to one side of the inside lower extreme of slider (20), drive gear (23) are installed to the output of fourth driving motor (22).

4. The frequency modulated continuous wave radar-based level detection bunker of claim 3, wherein: a third driving motor (21) is installed on one side of the upper end inside the sliding block (20), and a push rod (24) is installed at the output end of the third driving motor (21).

5. The frequency modulated continuous wave radar-based level detection bunker of claim 2, wherein: the utility model discloses a radar detection device, including motor stationary casing (15), the internally mounted of motor stationary casing (15) has second driving motor (14), dead lever (16) are installed to the output of second driving motor (14), a plurality of radar detection heads (17) are installed to one side of dead lever (16) outside lower extreme.

6. The frequency modulated continuous wave radar-based level detection bunker of claim 1, wherein: support column (2) are installed to one side of the outside lower extreme of storehouse body (1), and support column (2) and storehouse body (1) welded connection, bottom (3) are installed to the intermediate position department of the outside lower extreme of storehouse body (1).