Mining intrinsic safety type tearing sensor

Abstract

The utility model discloses a mining intrinsic safety type tear sensor, which comprises a bottom plate, two guide plates, a first control box and a second control box, and is characterized in that a plurality of falling holes are formed in the bottom plate along the extension direction of the bottom plate; the two guide plates are hinged to the edges of the two sides of the bottom plate. The first control box is installed at one end of the bottom plate, a first control cavity is formed in the first control box, and an infrared emission probe is installed in the first control cavity; and the second control box is installed at the other end of the bottom plate, a second control cavity is formed in the second control box, and an infrared receiving probe is installed in the second control cavity. The angle of the protection plate can be flexibly adjusted to adapt to different coal flow changes, and the situation that a sensor is mistakenly triggered due to coal block blockage is reduced.

Description

Technical Field

[0001] This utility model relates to an intrinsically safe tear sensor for mining, belonging to the technical field of tear sensor equipment. Background Technology

[0002] Tear sensors play a crucial role in mining production, monitoring and detecting tears and damage to conveyor belts and other transmission equipment to ensure operational safety and continuity. Traditional tear sensors may suffer from low reliability, slow response, and inconvenient installation and maintenance. A search revealed a mine tear sensor with publication number CN218289338U. In this patent, the length of the pallet body is adjusted according to the width of the conveyor belt. After the relative positions of the left and right protective plates are adjusted, they are fixed through the first and second positioning holes. Then, the steel wire rope is connected to the steel wire rope fixing column, and the entire sensor is suspended between the upper and lower conveyor belts. When the conveyor belt tears, the material falls onto the pallet body. The infrared rays emitted by the infrared emitting probe cannot be received by the infrared receiving probe, and the information that the infrared receiving probe cannot receive is received by the main controller in the control box. The main controller outputs a switch signal and communication to remind the host computer that a tear has occurred, and the main controller controls the alarm indicator light to light up, thereby further reminding the staff that the conveyor belt has torn.

[0003] However, the left and right protective plates in this patent are fixed by positioning holes, and the angle adjustment is relatively fixed and not flexible enough. It is difficult to quickly adapt to the actual changes in coal flow with different flow rates, which may affect the effective collection of materials and the reliability of signal triggering.

[0004] Secondly, if no tearing occurs, the coal chunks splashed out by the coal flow will accumulate directly on the pallet body, which can easily trigger an alarm. Long-term operation may cause material accumulation to clog the sensor, requiring frequent manual cleaning and affecting efficiency. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide an intrinsically safe tear sensor for mining. It can flexibly adjust the angle of the protective plate to adapt to different coal flow changes and reduce the situation where the sensor is falsely triggered due to coal blockage.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is: an intrinsically safe tear sensor for mining, comprising:

[0007] Base plate;

[0008] Along the extending direction of the base plate, a plurality of drop holes are provided on the base plate;

[0009] Two guide plates, which are hinged to the two side edges of the base plate;

[0010] A first control box is installed at one end of the base plate. The first control box has a first control cavity, and an infrared emitting probe is installed in the first control cavity.

[0011] The second control box is installed at the other end of the base plate. The second control box has a second control cavity, and an infrared receiving probe is installed in the second control cavity.

[0012] Furthermore, in order to provide collection space and stable support, an intrinsically safe tear sensor for mining also includes a mounting base disposed below the base plate and connected to the base plate by at least two connecting columns.

[0013] Furthermore, to prevent false alarms, the mounting base is equipped with a device suitable for receiving coal chunks falling from the drop hole.

[0014] Furthermore, in order to flexibly adjust the guide plate and improve the applicability of the decoration, a mining intrinsically safe tear sensor also includes two electric telescopic rods. The fixed ends of the two electric telescopic rods are hinged to the mounting base, and the movable ends of the two electric telescopic rods are respectively hinged to the corresponding two guide plates.

[0015] The electric telescopic rod is adapted to adjust the angle between the guide plate and the bottom plate to accommodate different coal flows.

[0016] Furthermore, a first control board is also installed in the first control cavity, and the first control board is electrically connected to the infrared emitting probe;

[0017] A second control board is also installed in the second control cavity, and the second control board is electrically connected to the infrared receiving probe.

[0018] Furthermore, the first control box is provided with a first wiring hole, and the second control box is provided with a second wiring hole;

[0019] The first control board is adapted to be electrically connected to an external device through the first wiring hole;

[0020] The second control board is adapted to be electrically connected to an external device through the second wiring hole.

[0021] Furthermore, in order to improve the alarm effect, a mining intrinsically safe tear sensor also includes an audible and visual alarm, which is installed in the first control cavity and electrically connected to the first control board.

[0022] Furthermore, to prevent damage to the control board, a first waterproof connector is provided in the first wiring hole;

[0023] The second wiring hole is equipped with a second waterproof connector.

[0024] After adopting the above technical solution, this utility model has the following beneficial effects:

[0025] In this invention, the base plate is suspended below the conveyor belt, so that the conveyor belt is positioned between the infrared transmitting probe and the infrared receiving probe. According to the actual coal flow, the electric telescopic rod is extended and retracted to adjust the angle of the guide plate to the optimal flow guiding position (a larger angle is used to prevent splashing for large flow of coal, and a smaller angle is used for precise flow guiding for small flow).

[0026] The infrared emitting probe continuously emits infrared rays, and the receiving probe detects the optical path status in real time. The splashed coal fragments are guided by the guide plate to the drop hole and fall into the installation base for temporary storage to avoid accumulation on the bottom plate.

[0027] When the conveyor belt tears, large chunks of coal fall onto the floor and cannot be quickly dropped from the drop hole, blocking the infrared light path. The probe signal is interrupted and a signal is transmitted to the host computer, triggering the audible and visual alarm to flash and sound.

[0028] Regularly clean the accumulated coal fragments inside the installation base to prevent excessive accumulation from affecting the stability of the sensor. Attached Figure Description

[0029] Figure 1 This is a perspective view of an intrinsically safe tear sensor for mining applications according to this utility model;

[0030] Figure 2 This is a front view of an intrinsically safe tear sensor for mining applications according to this utility model;

[0031] Figure 3 This is a left view of an intrinsically safe tear sensor for mining applications according to this utility model;

[0032] Figure 4 This is a top view of an intrinsically safe tear sensor for mining according to the present invention;

[0033] Figure 5 This is a full sectional view of an intrinsically safe tear sensor for mining applications according to this utility model. Detailed Implementation

[0034] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0035] like Figure 1-5 As shown, an intrinsically safe tear sensor for mining applications includes:

[0036] Base plate 1;

[0037] Along the extending direction of the base plate 1, a plurality of drop holes 11 are provided on the base plate 1;

[0038] Two guide plates 2 are hinged to the two sides of the base plate 1;

[0039] The first control box 3 is installed at one end of the base plate 1. The first control box 3 has a first control cavity 31 and an infrared emitting probe 311 is installed in the first control cavity 31.

[0040] The second control box 4 is installed at the other end of the base plate 1. The second control box 4 has a second control cavity 41, and an infrared receiving probe 411 is installed in the second control cavity 41.

[0041] Specifically, such as Figure 1-5 As shown, an intrinsically safe tear sensor for mining also includes a mounting base 51, which is disposed below the base plate 1 and is connected to the base plate 1 by at least two connecting columns 52.

[0042] Specifically, such as Figure 1-5 As shown, the mounting base 51 is provided with a material suitable for receiving coal blocks falling from the drop hole 11.

[0043] Specifically, such as Figure 1-5 As shown, an intrinsically safe tear sensor for mining also includes two electric telescopic rods 53. The fixed ends of the two electric telescopic rods 53 are hinged to the mounting base 51, and the movable ends of the two electric telescopic rods 53 are respectively hinged to the corresponding two guide plates 2.

[0044] The electric telescopic rod 53 is suitable for adjusting the angle between the guide plate 2 and the bottom plate 1 to accommodate different coal flows.

[0045] Specifically, such as Figure 1-5 As shown, a first control board is also installed in the first control cavity 31, and the first control board is electrically connected to the infrared emitting probe 311;

[0046] A second control board is also installed in the second control cavity 41, and the second control board is electrically connected to the infrared receiving probe 411.

[0047] Specifically, such as Figure 1-5 As shown, the first control box 3 is provided with a first wiring hole 32, and the second control box 4 is provided with a second wiring hole 42;

[0048] The first control board is adapted to be electrically connected to external devices through the first wiring hole 32;

[0049] The second control board is adapted to be electrically connected to external devices through the second wiring hole 42.

[0050] Specifically, such as Figure 1-5 As shown, a mining intrinsically safe tear sensor also includes an audible and visual alarm, which is installed in the first control cavity 31 and electrically connected to the first control board.

[0051] Specifically, such as Figure 1-5 As shown, a first waterproof connector 33 is provided in the first wiring hole 32;

[0052] A second waterproof connector 43 is provided in the second wiring hole 42.

[0053] The first waterproof connector 33 and the second waterproof connector 43 can prevent coal dust and other contaminants from entering the first control box 3 and the second control box 4.

[0054] In this embodiment, the base plate 1 is suspended below the conveyor belt, so that the conveyor belt is between the infrared transmitting probe 311 and the infrared receiving probe 411. According to the actual coal flow, the electric telescopic rod 53 is controlled to extend and retract, and the angle of the guide plate 2 is adjusted to the optimal flow guiding position (a larger angle is used to prevent splashing for large flow of coal, and a smaller angle is used for precise flow guiding for small flow).

[0055] Infrared emitting probe 311 continuously emits infrared rays, and receiving probe detects the optical path status in real time. The splashed coal fragments are guided by guide plate 2 to drop hole 11 and fall into installation base 51 for temporary storage to prevent accumulation on bottom plate 1.

[0056] When the conveyor belt tears, large chunks of coal fall onto the bottom plate 1 and cannot be quickly dropped from the drop hole 11, blocking the infrared light path reception. The probe signal is interrupted and a signal is transmitted to the host computer, activating the audible and visual alarm to flash and sound.

[0057] Regularly clean the accumulated coal fragments inside the installation base 51 to prevent excessive accumulation from affecting the stability of the sensor.

[0058] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mine-use intrinsically safe tear sensor, characterized in that, include: Base plate (1); Along the extending direction of the base plate (1), a plurality of drop holes (11) are provided on the base plate (1). Two guide plates (2) are hinged to the two sides of the base plate (1); The first control box (3) is installed at one end of the base plate (1). The first control box (3) is provided with a first control cavity (31). An infrared emitting probe (311) is installed in the first control cavity (31). The second control box (4) is installed at the other end of the base plate (1). The second control box (4) has a second control cavity (41) and an infrared receiving probe (411) is installed in the second control cavity (41).

2. The intrinsically safe tear sensor for mining as described in claim 1, characterized in that: It also includes a mounting base (51) disposed below the base plate (1), and the mounting base (51) is connected to the base plate (1) by at least two connecting columns (52).

3. The intrinsically safe tear sensor for mining as described in claim 2, characterized in that: The mounting base (51) is provided with a means to receive coal blocks falling from the drop hole (11).

4. The intrinsically safe tear sensor for mining as described in claim 2, characterized in that: It also includes two electric telescopic rods (53), the fixed ends of which are hinged to the mounting base (51), and the movable ends of the two electric telescopic rods (53) are respectively hinged to the corresponding two guide plates (2); The electric telescopic rod (53) is adapted to adjust the angle between the guide plate (2) and the bottom plate (1) to accommodate different coal flows.

5. The intrinsically safe tear sensor for mining applications according to claim 1, characterized in that: The first control cavity (31) is also equipped with a first control board, which is electrically connected to the infrared emitting probe (311); A second control board is also installed in the second control cavity (41), and the second control board is electrically connected to the infrared receiving probe (411).

6. The intrinsically safe tear sensor for mining as described in claim 5, characterized in that: The first control box (3) is provided with a first wiring hole (32), and the second control box (4) is provided with a second wiring hole (42). The first control board is adapted to be electrically connected to an external device through the first wiring hole (32); The second control board is adapted to be electrically connected to an external device through the second wiring hole (42).

7. The intrinsically safe tear sensor for mining applications according to claim 5, characterized in that: It also includes an audible and visual alarm, which is installed in the first control cavity (31) and electrically connected to the first control board.

8. A mine-use intrinsically safe tear sensor according to claim 6, characterized in that: The first wiring hole (32) is provided with a first waterproof connector (33); The second wiring hole (42) is provided with a second waterproof connector (43).

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