Fault early warning device for coal conveying equipment

Abstract

The invention provides a coal conveying equipment fault early warning device, and relates to the technical field of early warning devices.The coal conveying equipment fault early warning device comprises a mounting frame and a conveyor body mounted on the mounting frame, the conveyor body comprises a conveying belt in transmission connection to the conveyor body, and a mounting plate is fixedly mounted on the surface of the mounting frame; a button alarm is arranged in the mounting plate, a starting button is arranged at the top end of the button alarm, an adjusting assembly is fixedly mounted on the surface of the mounting frame, a height-adjustable early warning trigger mechanism is introduced, namely, the adjusting assembly is arranged, when the conveying belt sinks due to looseness or overweight load, the alarm trigger threshold value can be adjusted, and the safety of the conveying belt is improved. The connecting plate keeps stable movement through the limiting rod, so that the structure is stable in the adjusting process, the double-shaft motor drives the lead screws to rotate, the connecting plate is driven to ascend and descend, the mounting height of the button alarm is controlled, the connecting belt can synchronously transmit power, the lead screws on the two sides synchronously run, and the balance in the adjusting process is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of early warning devices, and in particular to a coal conveying equipment failure early warning device. Background Art

[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. According to different mining methods, they are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, the general choice is to dig tunnels underground to mine coal. This is an underground coal mine. When the coal seam is very close to the surface, the general choice is to directly strip the surface soil layer to mine coal. This is an open-pit coal mine. In coal transportation work in coal mines, rollers are often used to transport coal. Chinese Patent Publication No. CN223002398U discloses an automated fault warning device for a coal mine conveyor belt, comprising a mounting frame and a conveyor body mounted on the mounting frame, the conveyor body including a conveyor belt transmission-connected thereto, the mounting frame further comprising a mounting plate fixedly connected thereto and a baffle fixedly connected to its upper end, the mounting plate being provided with an alarm assembly for sounding an alarm, and the baffle being provided with a dust reduction assembly for reducing dust; the alarm assembly comprising a slot provided on the upper surface of the mounting plate, a magnet fixedly connected to the bottom surface of the slot, an iron block magnetically attracted to the magnet, and a button alarm mounted on the upper surface of the iron block, the button alarm including a start button mounted thereon; In this existing design, although the coal mine conveying work can be carried out by starting the conveyor body and placing the coal and mineral materials on the conveyor belt, the conveyor belt may become loose after long-term use. Therefore, when the conveyor belt is conveying materials, it may sink between the two adjacent conveyor rollers on the conveyor body. When the sinking is too large, the material will press the conveyor belt downward and contact the start button on the button alarm, thereby turning on the button alarm. At this time, an alarm can be sounded to warn the staff not to pile too heavy materials on the conveyor belt, which plays the role of early warning and subsequent protection of the conveyor body. However, the trigger height of the button alarm fixedly installed in this device cannot be adjusted. When the conveyor belt sinks slightly due to slight relaxation or load changes, the alarm may not be triggered in time, resulting in a delayed warning. On the contrary, if the initial installation tension of the conveyor belt is large, the alarm will be triggered by a slight sinking, which is prone to false alarms and interferes with normal operations; Therefore, a coal conveying equipment failure early warning device is designed to solve the above problems. Summary of the Invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides a coal conveying equipment fault warning device, which has the characteristics of being able to adjust the alarm trigger threshold to avoid false alarms or missed alarms.

[0004] The present invention adopts the following technical solution: a coal conveying equipment failure warning device, comprising a mounting frame and a conveyor body mounted on the mounting frame, the conveyor body including a conveyor belt transmission-connected thereto, a mounting plate fixedly mounted on the surface of the mounting frame, a button alarm disposed inside the mounting plate, a start button disposed at the top of the button alarm, and an adjustment assembly fixedly mounted on the surface of the mounting frame; The adjusting assembly includes a connecting plate, a fixing plate, a limiting rod, a support rod, a support plate, a dual-axis motor, a connecting block, a connecting belt and a screw rod, the connecting plate is fixedly installed on the side of the mounting plate, the fixing plate is fixedly installed on the side of the mounting frame, the limiting rod is fixedly installed on the top surface of the fixing plate, the limiting rod passes through the surface of the connecting plate, the surface of the mounting frame is fixedly installed with the support rod, the top of the support rod is fixedly installed with the support plate, the top surface of the support plate is fixedly installed with the dual-axis motor and the connecting block, a connecting belt is connected between the output end of the bottom end of the dual-axis motor and the connecting block, the output end of the top end of the dual-axis motor and the top of the connecting block are both fixedly installed with a screw rod, and the screw rod passes through the surface of the connecting plate.

[0005] As a preferred coal conveying equipment fault warning device of the present invention, there are several groups of mounting plates, and the several groups of mounting plates are evenly spaced and distributed on the surface of the mounting frame.

[0006] As a preferred coal conveying equipment fault warning device of the present invention, the fixed plate is installed below the connecting plate, the fixed plate and the connecting plate are arranged in parallel, and the limiting rod is vertically installed on the top surface of the fixed plate.

[0007] As a preferred coal conveying equipment fault warning device of the present invention, the support rod is fixed below the center of the fixed plate, and the support plate, the fixed plate and the connecting plate are vertically arranged.

[0008] As a preferred embodiment of a coal conveying equipment fault warning device of the present invention, the dual-axis motor and the connecting block are respectively fixed to two ends of the top surface of the support plate.

[0009] As a preferred coal conveying equipment fault warning device of the present invention, the interior of the connecting plate is provided with threads, and the threads are engaged with the screw rod.

[0010] As a preferred coal conveying equipment fault warning device of the present invention, two groups of short blocks are symmetrically installed on the surface of the fixed plate close to the motor side, and gears are rotatably connected between the two groups of short blocks. A dial is fixedly installed on the surface of one group of short blocks, and a tooth groove is provided on the surface of the screw rod installed at the output end of the motor.

[0011] As a preferred coal conveying equipment fault warning device of the present invention, the gear and the screw rod are in contact with each other and are perpendicular to each other, and the gear and the tooth groove are meshed.

[0012] As a preferred coal conveying equipment fault warning device of the present invention, a groove is provided on the surface of the mounting plate, a magnetic block is fixedly installed inside the groove, an iron block is fixedly installed at the bottom of the button alarm, the button alarm is fixed inside the groove through the magnetic block and the iron block, and a spring is fixedly connected between the magnetic block and the iron block.

[0013] As a preferred coal handling equipment fault warning device of the present invention, there are two groups of button alarms, and the two groups of button alarms are symmetrically mounted on the surface of the mounting plate.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are: 1. The present invention introduces an adjustable height early warning trigger mechanism, that is, an adjustment component is provided. When the conveyor belt sinks due to slack or excessive load, the alarm trigger threshold can be adjusted to avoid false alarms or missed alarms. The connecting plate maintains stable movement through the limit rod, so that the structure is stable during the adjustment process and vibration interference is reduced. The dual-axis motor drives the screw rod to rotate, driving the connecting plate to move up and down, thereby controlling the installation height of the button alarm to adapt to different needs. The connecting belt can transmit power synchronously, so that the screw rods on both sides operate synchronously, ensuring the balance of the adjustment process, avoiding structural deformation caused by uneven force on one side, and avoiding inconsistent height of the installation plate. The support rod and support plate provide stable support for the dual-axis motor, reducing operating noise and wear, and extending the service life of the equipment.

[0015] 2. In the present invention, a short block, a gear, a dial and a tooth groove are provided. When the screw rotates, the tooth groove on its surface can drive the gear to rotate, thereby driving the pointer on the gear surface to move on the dial surface, converting the adjustment amount of the spiral lifting mechanism into an intuitive scale display, realizing accurate calibration of the trigger height, facilitating quick setting by the operator, and avoiding the blindness of adjustment based on experience.

[0016] 3. In the present invention, a spring, a magnetic block and an iron block are provided, and the button alarm is fixed to the mounting plate by the magnetic block and the iron block. When the conveyor belt triggers the downward pressing button alarm, the spring can buffer the impact force, thereby protecting the start button structure and extending the service life of the button alarm to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a coal handling equipment fault warning device proposed by the present invention; Figure 2 This is a rear view of a coal handling equipment fault warning device proposed by the present invention; Figure 3 The present invention proposes a partial schematic diagram of a coal handling equipment fault warning device Figure 1 ; Figure 4 The present invention proposes a partial schematic diagram of a coal handling equipment fault warning device Figure 2 ; Figure 5 The present invention proposes a coal handling equipment failure warning device Figure 4 Enlarged view of point A in the middle; Figure 6 A cross-sectional view of a mounting plate for a fault warning device for coal conveying equipment proposed by the present invention; Figure 7 The present invention proposes a coal handling equipment failure warning device Figure 6 Enlarged view of point B in the middle.

[0018] Legend: 1. Mounting frame; 2. Conveyor body; 3. Conveyor belt; 4. Mounting plate; 5. Button alarm; 6. Start button; 7. Adjustment assembly; 701. Connecting plate; 702. Fixing plate; 703. Limit rod; 704. Support rod; 705. Support plate; 706. Dual-axis motor; 707. Connecting block; 708. Connecting belt; 709. Screw; 8. Short block; 9. Gear; 10. Dial; 11. Tooth groove; 12. Groove; 13. Magnet; 14. Iron block; 15. Spring. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] Example 1 In the prior art, the existing coal mine conveyor belt automatic fault warning device includes a mounting frame and a conveyor body mounted on the mounting frame, the conveyor body includes a conveyor belt transmission-connected thereto, the mounting frame also includes a mounting plate fixedly connected thereto and a baffle fixedly connected to its upper end, an alarm component for sounding an alarm is provided on the mounting plate, and a dust reduction component for reducing the amount of dust is provided on the baffle; the alarm component includes a card slot provided on the upper surface of the mounting plate, a magnet fixedly connected to the bottom surface of the card slot, an iron block magnetically attracted to the magnet, and a button alarm mounted on the upper surface of the iron block, the button alarm includes a start button mounted thereon, The automatic fault warning device for coal mine conveyor belts can start the conveyor body and place coal and mineral materials on the conveyor belt to carry out coal mine transportation. The conveyor belt may become loose after long-term use. Therefore, when the conveyor belt is conveying materials, it may sink between the two adjacent conveyor rollers on the conveyor body. When the sinking amplitude is too large, the material will press the conveyor belt downward and contact the start button on the button alarm, thereby achieving the effect of turning on the button alarm. At this time, an alarm can be issued to warn the staff not to pile too heavy materials on the conveyor belt, which plays the role of early warning and subsequent protection of the conveyor body.

[0022] This application combines the above-mentioned prior art, such as Figure 1-Figure 7 As shown, the present invention provides a technical solution: a coal conveying equipment failure warning device, comprising a mounting frame 1 and a conveyor body 2 mounted on the mounting frame 1, the conveyor body 2 including a conveyor belt 3 connected thereto, a mounting plate 4 fixedly mounted on the surface of the mounting frame 1, a button alarm 5 provided inside the mounting plate 4, a start button 6 provided at the top of the button alarm 5, and an adjustment component 7 fixedly mounted on the surface of the mounting frame 1; The adjusting assembly 7 includes a connecting plate 701, a fixing plate 702, a limiting rod 703, a support rod 704, a support plate 705, a dual-axis motor 706, a connecting block 707, a connecting belt 708 and a screw rod 709. The connecting plate 701 is fixedly installed on the side of the mounting plate 4, the fixing plate 702 is fixedly installed on the side of the mounting frame 1, the limiting rod 703 is fixedly installed on the top surface of the fixing plate 702, and the limiting rod 703 passes through the surface of the connecting plate 701, the surface of the mounting frame 1 is fixedly installed with the support rod 704, the top of the support rod 704 is fixedly installed with the support plate 705, the top surface of the support plate 705 is fixedly installed with the dual-axis motor 706 and the connecting block 707, a connecting belt 708 is connected between the output end of the bottom end of the dual-axis motor 706 and the connecting block 707, the output end of the top end of the dual-axis motor 706 and the top of the connecting block 707 are fixedly installed with a screw rod 709, and the screw rod 709 passes through the surface of the connecting plate 701.

[0023] In this embodiment: an adjustable height early warning trigger mechanism is provided, namely, an adjustment component 7. Before using the device, the dual-axis motor 706 can drive the screw rod 709 to rotate, driving the connecting plate 701 to rise and fall. When the conveyor belt 3 sinks due to relaxation or excessive load, the alarm trigger threshold can be adjusted to avoid false alarms or missed alarms. The connecting plate 701 can maintain stable movement through the limit rod 703 to avoid tilting during the lifting process, making the structure stable during the adjustment process and reducing vibration interference. The dual-axis motor 706 drives the screw rod 709 to rotate, driving the connecting plate 701 to rise and fall, thereby adjusting the installation height of the button alarm 5 to meet different needs, and the connecting belt 708 can transmit power synchronously, so that the screw rods 709 on both sides operate synchronously, ensuring the balance of the adjustment process, avoiding structural deformation caused by uneven force on one side, and avoiding inconsistent height of the mounting plate 4. The support rod 704 and the support plate 705 provide stable support for the dual-axis motor 706, reducing operating noise and wear, and extending the service life of the equipment.

[0024] Combining the above solutions: Going further: like Figures 1 to 4 As shown; In order to achieve an alarm effect, in an optional embodiment, there are several groups of mounting plates 4 , and the groups of mounting plates 4 are evenly spaced and distributed on the surface of the mounting frame 1 .

[0025] In this embodiment: when the conveyor belt 3 is conveying materials, it may sink between two adjacent conveyor rollers on the conveyor body 2. When the sinking amplitude is too large, the material will press the conveyor belt 3 downward and contact the start button 6 on the button alarm, thereby achieving the effect of turning on the button alarm.

[0026] Combining the above solutions: Going further: like Figures 1 to 4 As shown; In order to fix the connecting plate 701 and the fixing plate 702 , in an optional embodiment, the fixing plate 702 is installed below the connecting plate 701 , the fixing plate 702 and the connecting plate 701 are arranged in parallel, and the limiting rod 703 is vertically installed on the top surface of the fixing plate 702 .

[0027] In this embodiment: the fixed plate 702 is installed below the connecting plate 701, the fixed plate 702 and the connecting plate 701 are arranged in parallel, and the limiting rod 703 is vertically installed on the top surface of the fixed plate 702, which is convenient for fixing the connecting plate 701 and the fixed plate 702, and at the same time, the screw rod 709 can drive the connecting plate 701 to rise and fall.

[0028] Combining the above solutions: Going further: like Figures 1 to 4 As shown; In order to ensure smooth movement of the connecting plate 701 , in an optional embodiment, the support rod 704 is fixed below the center of the fixed plate 702 , and the support plate 705 , the fixed plate 702 and the connecting plate 701 are vertically arranged.

[0029] In this embodiment: the support rod 704 is fixed below the center of the fixed plate 702, the support plate 705, the fixed plate 702 and the connecting plate 701 are vertically arranged, and when the dual-axis motor 706 drives the screw rod 709 to rotate, the screw rod 709 can be rotated at the center of the fixed plate 702, thereby allowing the connecting plate 701 to move smoothly.

[0030] Combining the above solutions: Going further: like Figures 1 to 4 As shown; In order to connect the two sets of screw rods 709 , in an optional embodiment, the dual-axis motor 706 and the connecting block 707 are respectively fixed on both ends of the top surface of the support plate 705 .

[0031] In this embodiment: the dual-axis motor 706 and the connecting block 707 are respectively fixed at the two ends of the top surface of the support plate 705. When the dual-axis motor 706 drives one set of screw rods 709 to rotate, the connecting block 707 can be synchronously driven to rotate through the connecting belt 708, thereby driving the other set of screw rods 709 to rotate, thereby playing the role of synchronously rotating the two sets of screw rods 709 and avoiding the height asymmetry of the connecting plates 701 on both sides.

[0032] Combining the above solutions: Going further: like Figures 1 to 4 As shown; In order to enable the screw rod 709 to rotate and drive the connecting plate 701 to move up and down, in an optional embodiment, a thread is provided inside the connecting plate 701, and the thread is engaged with the screw rod 709.

[0033] In this embodiment, the connection plate 701 is provided with a thread inside, which is engaged with the screw rod 709 . When the screw rod 709 rotates, the connection plate 701 is driven to move, thereby adjusting the height of the mounting plate 4 .

[0034] Combining the above solutions: Going further: like Figures 4 and 5 As shown; In order to adjust the numerical value visually, in an optional embodiment, two groups of short blocks 8 are symmetrically installed on the surface of the fixed plate 702 close to the motor 706 side, and a gear 9 is rotatably connected between the two groups of short blocks 8. A dial 10 is fixedly installed on the surface of one group of short blocks 8, and a tooth groove 11 is provided on the surface of the screw rod 709 installed at the output end of the motor 706.

[0035] In this embodiment, a short block 8, a gear 9, a dial 10 and a tooth groove 11 are provided. When the screw 709 rotates, the tooth groove 11 on its surface can drive the gear 9 to rotate, thereby driving the pointer on the surface of the gear 9 to move on the surface of the dial 10, and converting the adjustment amount of the screw 709 lifting mechanism into an intuitive scale display, thereby realizing accurate calibration of the trigger height, facilitating quick setting by the operator, and avoiding the blindness of adjustment based on experience.

[0036] Combining the above solutions: Going further: like Figures 4 and 5 As shown; In order to rotate the screw rod 709 and drive the gear 9 to rotate, in an optional embodiment, the gear 9 and the screw rod 709 are close to each other and perpendicular to each other, and the gear 9 and the tooth groove 11 are meshed.

[0037] In this embodiment: the gear 9 and the screw rod 709 are close to each other and perpendicular to each other, the gear 9 and the tooth groove 11 are meshed, and the gear 9 and the screw rod 709 are meshed and connected. When the screw rod 709 rotates, it can drive the gear 9 to rotate, thereby driving the pointer on the surface of the gear 9 to move on the surface of the dial 10, and converting the adjustment amount of the lifting mechanism of the screw rod 709 into an intuitive scale display.

[0038] Combining the above solutions: Going further: like Figures 6 and 7 As shown; In order to extend the service life of the button alarm 5, in an optional embodiment, a groove 12 is opened on the surface of the mounting plate 4, a magnet 13 is fixedly installed inside the groove 12, an iron block 14 is fixedly installed at the bottom of the button alarm 5, the button alarm 5 is fixed inside the groove 12 by the magnet 13 and the iron block 14, and a spring 15 is fixedly connected between the magnet 13 and the iron block 14.

[0039] In this embodiment: a spring 15, a magnetic block 13 and an iron block 14 are provided, and the button alarm 5 is fixed to the mounting plate 4 by the magnetic block 13 and the iron block 14. When the conveyor belt 3 triggers the downward pressing button alarm 5, the spring 15 can buffer the impact force, thereby protecting the start button 6 structure, and can extend the service life of the button alarm 5 to a certain extent.

[0040] Combining the above solutions: Going further: like Figures 1 to 6 As shown; In order to improve the sensitivity, in an optional embodiment, there are two groups of button alarms 5 , and the two groups of button alarms 5 are symmetrically installed on the surface of the mounting plate 4 .

[0041] In this embodiment, there are two groups of button alarms 5 , which are symmetrically mounted on the surface of the mounting plate 4 to prevent the material from being dispersed or conveyed at an offset position, making it impossible to accurately press the button alarms 5 .

[0042] Working principle: When in use, the dual-axis motor 706 is enabled, and the dual-axis motor 706 drives a group of screw rods 709 at its top to rotate. At the same time, the connecting belt 708 of the output shaft at the bottom end of the dual-axis motor 706, the connecting belt 708 synchronously transmits power, which can drive the connecting block 707 to rotate synchronously, so that the other group of screw rods 709 rotate synchronously. When the dual-axis motor 706 is working, the support rod 704 and the support plate 705 can provide stable support for the dual-axis motor 706, reduce operating noise and wear, and thus extend the service life of the equipment. At this time, the screw rod 709 can drive the connecting plate 701 to slide on the surface of the limit rod 703, and at the same time, the connecting plate 701 drives the mounting plate 4 on its surface to move, and the distance between the button alarm 5 on the surface of the mounting plate 4 and the lower surface of the conveyor belt 3 can be adjusted. When the screw rod 709 of the output shaft at the top end of the dual-axis motor 706 rotates, the tooth groove 11 on the surface of the screw rod 709 can drive the gear 9 to rotate, and the gear 9 then drives its surface The pointer rotates, converting the adjustment amount into an intuitive scale display, which makes it easy for the staff to quickly set the height. After the height of the connecting plate 701 is adjusted, the dual-axis motor 706 is turned off, and the coal and mineral materials are placed on the conveyor belt 3 by starting the conveyor body 2 to carry out coal mine transportation. The conveyor belt 3 may become loose after long-term use. Therefore, when conveying materials, the conveyor belt 3 may sink between the two adjacent conveyor rollers on the conveyor body 2. When the conveyor belt 3 sinks due to relaxation or excessive load, the lower surface of the conveyor belt 3 contacts the surface of the start button 6, and the start button 6 is pressed down. The start button 6 triggers the button alarm 5 for early warning. The adjustment component 7 can adjust the alarm trigger threshold to avoid false alarms or missed alarms, so as to achieve the effect of turning on the button alarm 5. At this time, an alarm can be issued to warn the staff not to pile up too heavy materials on the conveyor belt 3, which plays the role of early warning and subsequent protection of the conveyor body 2.

[0043] The above description is merely a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any person skilled in the art may utilize the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification, equivalent change, and modification of the above embodiments made in accordance with the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A coal conveying equipment fault warning device, comprising a mounting frame (1) and a conveyor body (2) mounted on the mounting frame (1), the conveyor body (2) comprising a conveyor belt (3) connected thereto in a transmission manner, characterized in that: A mounting plate (4) is fixedly mounted on the surface of the mounting frame (1), a button alarm (5) is provided inside the mounting plate (4), a start button (6) is provided at the top of the button alarm (5), and an adjustment component (7) is fixedly mounted on the surface of the mounting frame (1); The adjustment assembly (7) comprises a connecting plate (701), a fixing plate (702), a limiting rod (703), a support rod (704), a support plate (705), a dual-axis motor (706), a connecting block (707), a connecting belt (708) and a screw rod (709). The connecting plate (701) is fixedly mounted on the side of the mounting plate (4), the fixing plate (702) is fixedly mounted on the side of the mounting frame (1), the limiting rod (703) is fixedly mounted on the top surface of the fixing plate (702), and the limiting rod (703) passes through the surface of the connecting plate (701). A support rod (704) is fixedly mounted on the surface of the mounting frame (1), a support plate (705) is fixedly mounted on the top of the support rod (704), a dual-axis motor (706) and a connecting block (707) are fixedly mounted on the top surface of the support plate (705), a connecting belt (708) is connected between the output end at the bottom end of the dual-axis motor (706) and the connecting block (707), a screw rod (709) is fixedly mounted on the output end at the top end of the dual-axis motor (706) and the top end of the connecting block (707), and the screw rod (709) passes through the surface of the connecting plate (701).

2. The coal handling equipment failure warning device according to claim 1, characterized in that: The number of the mounting plates (4) is several groups, and the mounting plates (4) in the several groups are distributed at equal intervals on the surface of the mounting frame (1).

3. The coal handling equipment failure warning device according to claim 2, characterized in that: The fixing plate (702) is installed below the connecting plate (701), the fixing plate (702) and the connecting plate (701) are arranged in parallel, and the limiting rod (703) is vertically installed on the top surface of the fixing plate (702).

4. The coal handling equipment failure warning device according to claim 3, characterized in that: The support rod (704) is fixed below the center of the fixed plate (702), and the support plate (705), the fixed plate (702) and the connecting plate (701) are vertically arranged.

5. The coal handling equipment failure warning device according to claim 4, characterized in that: The dual-axis motor (706) and the connecting block (707) are respectively fixed at two ends of the top surface of the support plate (705).

6. The coal handling equipment failure warning device according to claim 5, characterized in that: The connecting plate (701) is provided with a thread inside, and the thread is engaged with the screw rod (709).

7. The coal handling equipment failure warning device according to claim 6, characterized in that: Two groups of short blocks (8) are symmetrically mounted on the surface of the fixed plate (702) on one side of the dual-axis motor (706), and a gear (9) is rotatably connected between the two groups of short blocks (8). A scale plate (10) is fixedly mounted on the surface of one group of the short blocks (8), and a tooth groove (11) is provided on the surface of the lead screw (709) mounted on the output end of the dual-axis motor (706).

8. The coal handling equipment failure warning device according to claim 7, characterized in that: The gear (9) and the screw rod (709) are adjacent to each other and perpendicular to each other, and the gear (9) and the tooth groove (11) are meshed.

9. The coal handling equipment failure warning device according to claim 1, characterized in that: A groove (12) is formed on the surface of the mounting plate (4), a magnetic block (13) is fixedly mounted inside the groove (12), an iron block (14) is fixedly mounted on the bottom of the button alarm (5), the button alarm (5) is fixed inside the groove (12) via the magnetic block (13) and the iron block (14), and a spring (15) is fixedly connected between the magnetic block (13) and the iron block (14).

10. The coal handling equipment failure warning device according to claim 9, characterized in that: There are two groups of button alarms (5), and the two groups of button alarms (5) are symmetrically mounted on the surface of the mounting plate (4).

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