Sensor for detecting height of coal bunker

Abstract

The utility model belongs to the technical field of coal bunker coal level monitoring, and discloses a sensor for detecting the height of a coal bunker, which comprises a base and a mining intrinsic safety type radar level sensor for monitoring the height of coal stored in the coal bunker, the mining intrinsic safety type radar material level sensor is installed on the rotating assembly, the lifting assembly is installed on the rotating assembly, and the mining intrinsic safety type radar material level sensor is fixedly installed at the lifting end of the lifting assembly. Maintenance personnel can conveniently and directly overhaul and replace on the ground, and operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of coal bunker coal level monitoring technology, and in particular to a sensor for detecting the height of a coal bunker. Background Technology

[0002] In industries related to coal mining, processing, and storage, coal bunkers, as important facilities for storing coal, play a crucial role in the accurate detection of the coal level inside.

[0003] On the one hand, accurately knowing the coal level in the coal bunker helps in the rational planning of coal production and transportation. During coal production, if the storage level of the coal bunker cannot be known in real time, coal may continue to be supplied even when the bunker is full, leading to coal spillage, waste, and environmental pollution, and may also damage surrounding equipment and facilities. On the other hand, if the coal level in the bunker is too low and not detected in time, subsequent production processes may be forced to stop due to coal shortages, affecting production efficiency and economic benefits.

[0004] On the other hand, for coal transportation scheduling, knowing the height of the coal bunker allows for more rational arrangement of coal truck entry, exit, loading and unloading operations, improving transportation efficiency and reducing transportation costs.

[0005] Chinese utility model patent CN218213846U discloses a coal bunker coal level measurement system, including a mining intrinsically safe radar level sensor, a mining explosion-proof and intrinsically safe control box, and a coal bunker coal level monitoring system. Both the mining intrinsically safe radar level sensor and the coal level monitoring system are connected to the mining explosion-proof and intrinsically safe control box. By installing a mining intrinsically safe radar level sensor at the top of the coal bunker and connecting it to the mining explosion-proof and intrinsically safe control box, the coal level in the bunker can be detected in real time, and the operation of the belt conveyor and coal feeder can be controlled according to the coal level, avoiding situations of a full or empty bunker.

[0006] The aforementioned coal bunker level measurement system addresses some shortcomings in existing technologies. However, it still has some limitations in practical use. For example, its intrinsically safe radar level sensor is fixed to the top of the coal bunker. Due to the considerable height of the bunker, when the intrinsically safe radar level sensor malfunctions, manual climbing to the top of the bunker is required for repair or replacement. The environment around the top of the coal bunker is complex, posing a high safety risk; maintenance personnel are prone to falls and other accidents during climbing and operation.

[0007] To address this, a sensor for detecting the height of coal bunkers is proposed. Utility Model Content

[0008] The purpose of this invention is to provide a sensor for detecting the height of a coal bunker, thereby solving or at least alleviating one or more of the aforementioned problems and other issues existing in the prior art.

[0009] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0010] A sensor for detecting the height of a coal bunker includes a base and an intrinsically safe radar level sensor for monitoring the height of coal stored in the bunker. The base is fixedly installed on the top of the coal bunker, and a rotating assembly is fixedly installed on the top of the base. A lifting assembly is installed on the rotating assembly, and the intrinsically safe radar level sensor is fixedly installed on the lifting end of the lifting assembly.

[0011] According to the present invention, a sensor for detecting the height of a coal bunker includes a rotating assembly comprising a rotating motor fixedly mounted on the top of a base, a rotating rod fixedly mounted on the rotating shaft of the rotating motor, a rotating arm fixedly mounted on the top of the rotating rod, and a lifting assembly mounted on the rotating arm.

[0012] According to this utility model, a sensor for detecting the height of a coal bunker includes a lifting assembly comprising a winding motor, a support, and an assembly plate. The winding motor and the support are both fixedly mounted on one side of a rotating arm. Two supports are provided, and a winch is rotatably connected between the two supports. The shaft of the winding motor is fixedly connected to the shaft at one end of the winch. The intrinsically safe radar level sensor for mining is detachably mounted on the bottom of the assembly plate, and the assembly plate is connected to a steel cable on the winch.

[0013] According to the present invention, a sensor for detecting the height of a coal bunker is provided, wherein a connecting rod is fixedly connected to the top of the assembly plate, and at least two connecting rods are provided. The rotating arm is provided with positioning holes corresponding to the connecting rods, and the connecting rods can be inserted into the positioning holes.

[0014] In a sensor for detecting the height of a coal bunker according to the present invention, a connecting lug is fixedly connected to the top of the connecting rod, and the lower end of the steel cable is fixedly connected to the connecting lug.

[0015] In a sensor for detecting the height of a coal bunker according to the present invention, the bottom of the positioning socket is flared.

[0016] According to the present invention, a sensor for detecting the height of a coal bunker is provided, wherein a female terminal is fixedly installed on the side of the assembly plate, and the female terminal is electrically connected to the intrinsically safe radar level sensor for mining via a wire; a male terminal is fixedly installed on one side of the rotating arm, and the male terminal is electrically connected to the controller via a wire; and a conductive pin at the bottom of the male terminal can be inserted into a conductive slot on the female terminal.

[0017] In a sensor for detecting the height of a coal bunker according to the present invention, a counterweight is fixedly connected to the end of the rotating arm away from the winding motor.

[0018] In a sensor for detecting the height of a coal bunker according to the present invention, a first mounting hole is provided on the base.

[0019] In a sensor for detecting the height of a coal bunker according to the present invention, the mounting plate has a second mounting hole for connecting to the mounting base of the intrinsically safe radar level sensor for mining.

[0020] This utility model has at least the following beneficial effects:

[0021] This invention, through the combination of a rotating component and a lifting component, enables the intrinsically safe radar level sensor for mining to be quickly lowered from a height, facilitating maintenance personnel to inspect and replace it directly on the ground, making operation convenient. Attached Figure Description

[0022] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0023] Figure 1 This is a schematic diagram of the structure of the sensor for detecting the height of a coal bunker according to this utility model;

[0024] Figure 2 This is a partial cross-sectional structural diagram of the rotating arm of this utility model;

[0025] Figure 3 This is a schematic diagram of the assembly plate of this utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the male terminal block of this utility model.

[0027] Explanation of icon numbers:

[0028] 1. Base; 101. First mounting hole; 2. Rotary motor; 3. Rotating rod; 4. Rotating arm; 401. Positioning insertion hole; 402. Counterweight; 5. Rewinding motor; 6. Stand; 7. Winch; 8. Assembly plate; 801. Connecting rod; 802. Connecting lug; 8001. Second mounting hole; 9. Intrinsically safe radar level sensor for mining; 10. Female terminal block; 11. Male terminal block. Detailed Implementation

[0029] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0030] Please refer to Figures 1 to 4 As shown, this embodiment provides a sensor for detecting the height of a coal bunker, including a base 1 and a mining intrinsically safe radar level sensor 9 for monitoring the height of coal stored in the bunker. The base 1 is fixedly installed on the top of the coal bunker, and a rotating assembly is fixedly installed on the top of the base 1. A lifting assembly is installed on the rotating assembly, and the mining intrinsically safe radar level sensor 9 is fixedly installed on the lifting end of the lifting assembly.

[0031] In this embodiment, the rotating assembly includes a rotating motor 2, which is fixedly installed on the top of the base 1. A rotating rod 3 is fixedly installed on the rotating shaft of the rotating motor 2, and a rotating arm 4 is fixedly installed on the top of the rotating rod 3. A lifting assembly is installed on the rotating arm 4. The lifting assembly includes a winding motor 5, a stand 6, and an assembly plate 8. The winding motor 5 and the stand 6 are both fixedly installed on one side of the rotating arm 4. There are two stands 6, and a winch 7 is rotatably connected between the two stands 6. The rotating shaft of the winding motor 5 is fixedly connected to the rotating shaft at one end of the winch 7. A mining intrinsically safe radar level sensor 9 is detachably installed on the bottom of the assembly plate 8, and the assembly plate 8 is connected to the steel cable on the winch 7.

[0032] By adopting the above technical solution, when in use, the base 1 is fixed to the top of the coal bunker. When the intrinsically safe radar level sensor 9 needs to be repaired, the shaft of the rotary motor 2 is controlled to rotate, moving the intrinsically safe radar level sensor 9 from the monitoring port at the top of the coal bunker to an open area away from the coal bunker. Then, the winding motor 5 is controlled to rotate, lowering the intrinsically safe radar level sensor 9 to the ground via a steel cable, so that maintenance personnel can directly repair the intrinsically safe radar level sensor 9 from the ground. The operation is convenient. After the repair is completed, the shaft of the winding motor 5 is controlled to rotate forward, thereby causing the winch 7 to wind up the steel cable, thereby lifting the intrinsically safe radar level sensor 9 upward and resetting it. Then, the shaft of the rotary motor 2 is controlled to rotate, moving the intrinsically safe radar level sensor 9 back to the monitoring port of the coal bunker for continued monitoring.

[0033] In this embodiment, a connecting rod 801 is fixedly connected to the top of the assembly plate 8. There are at least two connecting rods 801. The rotating arm 4 is provided with positioning holes 401 that correspond one-to-one with the connecting rods 801. The connecting rods 801 can be inserted into the positioning holes 401. By using the connecting rods 801 in conjunction with the positioning holes 401, the intrinsically safe radar level sensor 9 for mining can be made more stable, avoiding shaking during monitoring.

[0034] In this embodiment, a connecting lug 802 is fixedly connected to the top of the connecting rod 801, and the lower end of the steel cable is fixedly connected to the connecting lug 802. The connecting lug 802 facilitates the connection between the assembly plate 8 and the steel cable.

[0035] In this embodiment, in order to facilitate the insertion of the connecting rod 801 into the positioning hole 401, the bottom of the positioning hole 401 is flared.

[0036] In this embodiment, in order to facilitate fixing the base 1 to the top of the coal bunker, a first mounting hole 101 is provided on the base 1. During installation, the base 1 can be quickly fixed to the coal bunker by means of bolts engaging the first mounting hole 101, which is convenient to operate.

[0037] In this embodiment, a counterweight 402 is fixedly connected to the end of the rotating arm 4 away from the winding motor 5. The counterweight 402 can improve the stability of the rotating arm 4 during rotation.

[0038] In this embodiment, the assembly plate 8 is provided with a second mounting hole 8001 for connecting with the mounting base of the intrinsically safe radar level sensor 9 for mining. By using the second mounting hole 8001 and bolts, the assembly plate 8 can be connected to the flange-type mounting base of the intrinsically safe radar level sensor 9 for mining.

[0039] In this embodiment, a female terminal 10 is fixedly installed on the side of the assembly plate 8. The female terminal 10 is electrically connected to the intrinsically safe radar level sensor 9 for mining via a wire. A male terminal 11 is fixedly installed on one side of the rotating arm 4. The male terminal 11 is electrically connected to the controller via a wire. The conductive pin at the bottom of the male terminal 11 can be inserted into the conductive slot on the female terminal 10. Through this setting, the electrical connection between the intrinsically safe radar level sensor 9 for mining and the controller is realized, ensuring the stability of data transmission.

[0040] It should be noted that the intrinsically safe radar level sensor 9 used in this embodiment is a mining intrinsically safe radar level sensor of model GUL30 / 70(A). The controller used in this embodiment is the same as the controller disclosed in the patent with publication number CN218213846U.

[0041] Working principle: In use, the base 1 is fixed to the top of the coal bunker. When the intrinsically safe radar level sensor 9 needs to be repaired, the shaft of the rotary motor 2 is controlled to rotate, moving the intrinsically safe radar level sensor 9 from the monitoring port at the top of the coal bunker to an open area away from the coal bunker. Then, the winding motor 5 is controlled to rotate, lowering the intrinsically safe radar level sensor 9 to the ground via a steel cable, so that maintenance personnel can directly repair the intrinsically safe radar level sensor 9 from the ground. The operation is convenient. After the repair is completed, the shaft of the winding motor 5 is controlled to rotate forward, thereby causing the winch 7 to wind up the steel cable, so that the connecting rod 801 is re-inserted into the positioning socket 401. At this time, the conductive pin at the bottom of the male terminal 11 is inserted into the conductive slot on the female terminal 10, thereby completing the lifting and resetting of the intrinsically safe radar level sensor 9. Then, the shaft of the rotary motor 2 is controlled to rotate, moving the intrinsically safe radar level sensor 9 back to the monitoring port of the coal bunker for continued monitoring.

[0042] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A sensor for detecting the height of a coal bunker, characterized in that, The device includes a base (1) and an intrinsically safe radar level sensor (9) for monitoring the height of coal stored in the coal bunker. The base (1) is fixedly installed on the top of the coal bunker. A rotating assembly is fixedly installed on the top of the base (1). A lifting assembly is installed on the rotating assembly. The intrinsically safe radar level sensor (9) is fixedly installed on the lifting end of the lifting assembly.

2. The sensor for detecting the height of a coal bunker according to claim 1, characterized in that: The rotating assembly includes a rotating motor (2), which is fixedly installed on the top of the base (1). A rotating rod (3) is fixedly installed on the rotating shaft of the rotating motor (2), and a rotating arm (4) is fixedly installed on the top of the rotating rod (3). The lifting assembly is installed on the rotating arm (4).

3. The sensor for detecting the height of a coal bunker according to claim 2, characterized in that: The lifting assembly includes a winding motor (5), a stand (6), and an assembly plate (8). The winding motor (5) and the stand (6) are both fixedly installed on one side of the rotating arm (4). There are two stands (6), and a winch (7) is rotatably connected between the two stands (6). The shaft of the winding motor (5) is fixedly connected to the shaft at one end of the winch (7). The intrinsically safe radar level sensor (9) for mining is detachably installed at the bottom of the assembly plate (8). The assembly plate (8) is connected to the steel cable on the winch (7).

4. A sensor for detecting the height of a coal bunker according to claim 3, characterized in that: The top of the assembly plate (8) is fixedly connected with a connecting rod (801), and there are at least two connecting rods (801). The rotating arm (4) is provided with positioning holes (401) that correspond one-to-one with the connecting rods (801), and the connecting rods (801) can be inserted into the positioning holes (401).

5. A sensor for detecting the height of a coal bunker according to claim 3, characterized in that: The top of the connecting rod (801) is fixedly connected to a connecting lug (802), and the lower end of the steel cable is fixedly connected to the connecting lug (802).

6. A sensor for detecting the height of a coal bunker according to claim 5, characterized in that: The bottom of the positioning hole (401) is flared.

7. A sensor for detecting the height of a coal bunker according to claim 6, characterized in that: A female terminal (10) is fixedly installed on the side of the assembly plate (8). The female terminal (10) is electrically connected to the intrinsically safe radar level sensor (9) for mining via a wire. A male terminal (11) is fixedly installed on one side of the rotating arm (4). The male terminal (11) is electrically connected to the controller via a wire. The conductive pin at the bottom of the male terminal (11) can be inserted into the conductive slot on the female terminal (10).

8. A sensor for detecting the height of a coal bunker according to claim 4, characterized in that: A counterweight (402) is fixedly connected to one end of the rotating arm (4) away from the winding motor (5).

9. A sensor for detecting the height of a coal bunker according to claim 1, characterized in that: The base (1) has a first mounting hole (101).

10. A sensor for detecting the height of a coal bunker according to claim 3, characterized in that: The assembly plate (8) has a second mounting hole (8001) for connecting to the mounting base of the intrinsically safe radar level sensor (9) for mining.

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