A mine power failure alarm device

Abstract

The utility model relates to the technical field of mine exploitation, especially a mine power-off alarm device, including fixed plate, the four corners of fixed plate top all rivet has support board, the opposite side of support board is connected with screw rod through bearing swing, the front side and the back side of screw rod surface all are screwed and are equipped with clamping mechanism, the clamping mechanism includes adjusting plate, the both sides of adjusting plate top all are fixedly connected with adjusting column and penetrate, the opposite side of adjusting column all rivet has support rod. The utility model has the advantage that through the cooperation of fixed plate, electric push rod, connecting plate and protective cover, under the action of protective cover, dustproof protection can be carried out to the sound and light alarm, dust invasion is avoided, when the alarm is needed, the controller controls the electric push rod to elongate, the output end of electric push rod drives protective cover to move down, thereby the sound and light alarm is exposed, and then sound and light alarm operation is carried out.

Description

Technical Field

[0001] This utility model relates to the field of mining technology, specifically to a power outage alarm device for underground mines. Background Technology

[0002] Mining refers to the process of extracting useful minerals from underground deposits. It includes a series of operational steps, such as tunnel excavation, ore recovery, ventilation, drainage, and hoisting. Mining operations must be equipped with a complete safety monitoring system, including power failure alarm devices, to ensure safe production in the mine.

[0003] A search revealed that the patent, CN220621969U, entitled "A Utility Model of a Mining Classification Voice and Light Alarm," includes a main unit and an alarm unit mounted on the main unit. Research and analysis revealed that while it offers advantages such as convenient installation and disassembly during use, it also has the following drawbacks to some extent.

[0004] For example, the lack of protective functions, the harsh environment in mines, and the large amount of dust can easily enter the sound and light alarm, which not only affects the normal operation of the alarm and reduces its service life, but also easily leads to alarm failure, creating serious safety hazards. Furthermore, it lacks non-destructive installation capabilities. Traditional alarm devices are generally installed on the wall surface, which usually requires complex operations such as grooving or drilling on the wall surface. This not only increases the difficulty and time cost of installation, but also causes a certain degree of damage to the wall structure, affecting the stability and integrity of the mine's interior walls. In order to solve the above technical problems, we have designed a mine power failure alarm device. Utility Model Content

[0005] The purpose of this utility model is to provide a mine power failure alarm device with the advantages of protective function and non-destructive installation function, which solves the problems of existing alarm devices being unable to protect the surface of the alarm during use and being prone to damaging the mine wall during installation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a power failure alarm device for underground mines, comprising a fixed plate, with support plates riveted to the four corners of the top of the fixed plate, and a lead screw movably connected to the opposite side of the support plate via a bearing. Clamping mechanisms are threaded onto the front and rear sides of the lead screw surface. The clamping mechanism includes an adjusting plate, with adjusting columns fixedly connected through both sides of the top of the adjusting plate. Support rods are riveted to the opposite side of the adjusting columns, and clamping plates are riveted to the opposite ends of the support rods. A current sensor is bolted to the top of the fixed plate, and an electric push rod is bolted to the left side of the bottom of the fixed plate. A connecting plate is bolted to the output end of the electric push rod, and a protective cover is riveted to the bottom of the connecting plate. Audible and visual alarms are bolted to the front and rear sides of the bottom of the fixed plate.

[0007] Preferably, a ball bearing is embedded at the bottom of the adjusting column, and the bottom of the ball bearing is in contact with the fixing plate.

[0008] Preferably, the threads on the front and rear sides of the lead screw surface are in opposite directions, and the front end of the lead screw passes through the front support plate and is riveted with a handwheel.

[0009] Preferably, a sealing ring is fixedly connected to the bottom edge of the fixing plate, and a battery pack is connected to the right side of the bottom of the fixing plate by bolts.

[0010] Preferably, the audible and visual alarm is located inside the protective cover, and the protective cover is made of acrylic.

[0011] Preferably, a box is riveted to the front side of the top of the fixing plate, a sealing cover is movably connected to the top of the box via a hinge, a controller is bolted to the bottom of the inner cavity of the box, the output end of the controller is unidirectionally electrically connected to the electric push rod and the audible and visual alarm, and the controller is bidirectionally electrically connected to the current sensor.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model has the advantage of protection function through the cooperation of fixed plate, electric push rod, connecting plate and protective cover. Under the action of the protective cover, the sound and light alarm can be protected from dust and avoid dust invasion. When the alarm needs to be triggered, the controller controls the electric push rod to extend. The output end of the electric push rod drives the protective cover to move downward, thereby exposing the sound and light alarm and then performing the sound and light alarm operation.

[0014] 2. This utility model has the advantage of non-destructive installation through the cooperation of the support plate, screw rod and clamping mechanism. When it is necessary to install and fix the alarm device, the clamping plate is brought close to the cable at the top of the mine walkway, and then the handwheel is rotated. The handwheel drives the screw rod to rotate, and at this time the clamping plate begins to move relative to the cable. The clamping plate clamps the surface of the cable, thereby completing the installation operation. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0016] Figure 2 This is a three-dimensional bottom view of a partial structure of this utility model;

[0017] Figure 3 This is a three-dimensional bottom view of the clamping mechanism of this utility model;

[0018] Figure 4 This is a perspective view of the lead screw structure of this utility model;

[0019] Figure 5 This is a three-dimensional view of the box structure of this utility model.

[0020] In the diagram: 1. Fixed plate; 2. Support plate; 3. Lead screw; 4. Clamping mechanism; 5. Adjusting plate; 6. Adjusting column; 7. Support rod; 8. Clamping plate; 9. Current sensor; 10. Electric push rod; 11. Connecting plate; 12. Protective cover; 13. Audible and visual alarm; 14. Ball bearing; 15. Handwheel; 16. Sealing ring; 17. Battery pack; 18. Box body; 19. Controller. Detailed Implementation

[0021] Please see Figures 1-5A power outage alarm device for underground mines includes a fixed plate 1. Support plates 2 are riveted to the four corners of the top of the fixed plate 1. A lead screw 3 is movably connected to the opposite side of the support plate 2 via bearings. Clamping mechanisms 4 are threaded onto the front and rear sides of the lead screw 3. The clamping mechanism 4 includes an adjusting plate 5. Adjusting columns 6 are fixedly connected through the top of the adjusting plate 5 on both sides. Support rods 7 are riveted to the opposite side of the adjusting columns 6. Clamping plates 8 are riveted to the opposite ends of the support rods 7. A current sensor 9 is bolted to the top of the fixed plate 1. The current sensor 9 is used to detect the current in the cable. When a power outage occurs in the cable, the alarm will trigger an alarm. The current sensor 9 can detect the disappearance of current in time and transmit the signal to the controller 19, thereby triggering the subsequent alarm action and realizing the power failure alarm function. The bottom left side of the fixed plate 1 is connected to the electric push rod 10 by bolts. The output end of the electric push rod 10 is connected to the connecting plate 11 by bolts. The bottom of the connecting plate 11 is riveted with a protective cover 12. By setting the protective cover 12, under normal circumstances, the internal sound and light alarm 13 can be protected from dust, preventing a large amount of dust in the mine from entering the sound and light alarm 13. The front and rear sides of the bottom of the fixed plate 1 are both connected to the sound and light alarm 13 by bolts.

[0022] Please see Figure 1 and Figure 3 The bottom end of the adjusting column 6 is inlaid with a ball bearing 14. By setting the ball bearing 14, it can cooperate with the adjusting column 6, thereby guiding the adjusting plate 5 to make it more stable during the back and forth movement. The bottom of the ball bearing 14 is in contact with the fixed plate 1.

[0023] Please see Figure 4 The threads on the front and rear sides of the lead screw 3 have opposite directions. The front end of the lead screw 3 passes through the front support plate 2 and is riveted with a handwheel 15. By setting the handwheel 15, it is convenient for the operator to manually rotate the lead screw 3. By rotating the handwheel 15, the rotation of the lead screw 3 can be easily controlled, thereby adjusting the position of the clamping plate 8.

[0024] Please see Figure 2 A sealing ring 16 is fixedly connected to the bottom edge of the fixed plate 1. By setting the sealing ring 16, the sealing between the protective cover 12 and the fixed plate 1 can be increased. A battery pack 17 is connected to the bottom right side of the fixed plate 1 by bolts. By setting the battery pack 17, the entire device is provided with power support, ensuring that components such as the current sensor 9, electric push rod 10, audible and visual alarm 13 and controller 19 can work normally.

[0025] Please see Figure 1 The audible and visual alarm 13 is located inside the protective cover 12, which is made of acrylic.

[0026] Please see Figure 1 and Figure 5A box 18 is riveted to the front side of the top of the fixed plate 1. A sealing cover is movably connected to the top of the box 18 via a hinge. A controller 19 is bolted to the bottom of the inner cavity of the box 18. The controller 19 is used to receive the signal detected by the current sensor 9 and is unidirectionally electrically connected to the electric push rod 10 and the audible and visual alarm 13. The controller 19 controls the operation of the electric push rod 10 and the audible and visual alarm 13 according to the received signal, so as to realize the automatic control and power failure alarm functions of the device. The output end of the controller 19 is unidirectionally electrically connected to the electric push rod 10 and the audible and visual alarm 13 respectively, and the controller 19 is bidirectionally electrically connected to the current sensor 9.

[0027] In use, remove the screws from the surface of the current sensor 9 detection component, place the current sensor 9 detection component onto the cable surface, and then tighten the screws. Place the clamping plate 8 close to the mine cable, and then rotate the handwheel 15. The handwheel 15 drives the lead screw 3 to rotate. The lead screw 3 moves the adjusting plate 5 through a threaded connection with the adjusting plate 5. The adjusting plates 5 move relative to each other, and the adjusting plate 5 drives the adjusting column 6 and the support rod 7 to move relative to each other. At this time, the clamping plate 8 begins to move relative to each other and clamps the surface of the cable, thus completing the installation operation. Under the action of the protective cover 12, the audible and visual alarm 13 can be protected from dust and prevented from being attacked by dust. When the cable loses power, the current sensor 9 detects that the cable current has disappeared. At this time, the controller 19 controls the electric push rod 10 and the audible and visual alarm 13 to work. The output end of the electric push rod 10 drives the protective cover 12 to move downward, thereby exposing the audible and visual alarm 13, and then the audible and visual alarm operation is performed.

[0028] In summary, this underground power failure alarm device, through the cooperation of the fixing plate 1, electric push rod 10, connecting plate 11, protective cover 12, support plate 2, lead rod 3 and clamping mechanism 4, solves the problems of existing alarm devices being unable to protect the surface of the alarm during use and being prone to damaging the mine wall during installation.

Claims

1. A power outage alarm device for underground mines, comprising a fixing plate (1), characterized in that: The top of the fixed plate (1) is riveted with support plates (2) at the four corners. The opposite side of the support plate (2) is connected to a lead screw (3) via a bearing. The front and rear sides of the lead screw (3) are threaded with clamping mechanisms (4). The clamping mechanism (4) includes an adjusting plate (5). The top two sides of the adjusting plate (5) are fixedly connected with adjusting columns (6). The opposite side of the adjusting column (6) is riveted with a support rod (7). The opposite end of the support rod (7) is riveted with a clamping plate (8). The top of the fixed plate (1) is connected with a current sensor (9) via bolts. The left side of the bottom of the fixed plate (1) is connected with an electric push rod (10) via bolts. The output end of the electric push rod (10) is connected with a connecting plate (11) via bolts. The bottom of the connecting plate (11) is riveted with a protective cover (12). The front and rear sides of the bottom of the fixed plate (1) are connected with an audible and visual alarm (13) via bolts.

2. The mine power failure alarm device according to claim 1, characterized in that: The bottom end of the adjusting column (6) is inlaid with a ball bearing (14), and the bottom of the ball bearing (14) is in contact with the fixing plate (1).

3. The mine power failure alarm device according to claim 1, characterized in that: The threads on the front and rear sides of the lead screw (3) are in opposite directions. The front end of the lead screw (3) passes through the front support plate (2) and is riveted with a handwheel (15).

4. The mine power failure alarm device according to claim 1, characterized in that: A sealing ring (16) is fixedly connected to the bottom edge of the fixing plate (1), and a battery pack (17) is connected to the bottom right side of the fixing plate (1) by bolts.

5. A mine power failure alarm device according to claim 1, characterized in that: The sound and light alarm (13) is located inside the protective cover (12), which is made of acrylic.

6. A mine power failure alarm device according to claim 1, characterized in that: The front side of the top of the fixed plate (1) is riveted with a box (18). The top of the box (18) is connected to a sealing cover by a hinge. The bottom of the inner cavity of the box (18) is connected to a controller (19) by bolts. The output end of the controller (19) is unidirectionally connected to the electric push rod (10) and the sound and light alarm (13), respectively. The controller (19) is bidirectionally connected to the current sensor (9).

Images