A methane early warning device for mine production

Abstract

The utility model discloses a kind of methane early warning devices for mine production, including fixed plate, guide slot, guide block, U-shaped frame, servo motor and methane concentration sensor, the fixed plate bottom both ends are all set with guide slot, guide block is set in the guide slot, the guide block bottom is connected with U-shaped frame, servo motor is set in the U-shaped frame inner top by fixed seat, the power output end of servo motor is connected with rotating wheel, the rotating wheel top end is in contact with fixed plate bottom, the U-shaped frame bottom is installed with methane concentration sensor by screw, the U-shaped frame one end is installed with hollow block by fixed groove, the hollow block top one end is provided with fixed column, annular electrode is set on the periphery of fixed column. The novel mechanism can be moved conveniently, which is convenient for monitoring and early warning the methane concentration in the mine in a longer range, and is suitable for widespread use.

Description

Technical Field

[0001] This utility model relates to the field of mining production technology, and in particular to a methane early warning device for mining production. Background Technology

[0002] Methane early warning devices for mine production are used to monitor and alert workers when methane gas concentrations in mines exceed safe levels. These devices are crucial in mines and underground workplaces because methane is a flammable gas, and if concentrations reach explosive levels, it can cause serious explosions.

[0003] Previous early warning devices have the following drawbacks: 1. They lack a mechanism for easy mobility, thus hindering the monitoring and early warning of methane concentration in mines over a longer range. Therefore, we propose a methane early warning device for mine production. Utility Model Content

[0004] The main objective of this invention is to provide a methane early warning device for mine production, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A methane early warning device for mine production includes a fixed plate, guide grooves, guide blocks, a U-shaped frame, a servo motor, and a methane concentration sensor. Guide grooves are formed at both ends of the bottom of the fixed plate, and guide blocks are fitted inside the guide grooves. A U-shaped frame is connected to the bottom of the guide blocks. A servo motor is mounted on the top of the U-shaped frame via a fixed base. A rotating wheel is connected to the power output end of the servo motor, and the top of the rotating wheel contacts the bottom of the fixed plate. A methane concentration sensor is mounted on the bottom of the U-shaped frame via screws. A hollow block is mounted on one end of the U-shaped frame via a fixed groove. A fixed post is provided at the top end of the hollow block, and an annular electrode is fitted around the fixed post. A terminal is provided at one end of the hollow block, and one end of the terminal is connected to the annular electrode via a wire. The other end of the terminal is electrically connected to the servo motor and the methane concentration sensor via a wire.

[0007] Furthermore, a reserved groove is provided at one end of the bottom of the U-shaped frame, and the top of the rotating wheel passes through the reserved groove. Since the rotating wheel passes through the reserved groove, the U-shaped frame and the guide block can slide horizontally along the guide groove when the rotating wheel rotates.

[0008] Furthermore, protrusions are welded to the top of the fixing plate near the corners, and mounting holes are opened through one side of each protrusion. Multiple sets of protrusions can be connected by external bolts passing through the mounting holes, thereby facilitating the splicing of multiple sets of fixing plates.

[0009] Furthermore, both the guide groove and the guide block are configured as T-shaped.

[0010] Furthermore, the servo motor is specifically configured as a brushless motor.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. This utility model discloses a methane early warning device for mine production. The neutral wire and the live wire in the mine are respectively in contact with the edges of two sets of annular electrodes. When the U-shaped frame moves, the servo motor and the methane concentration sensor can always be powered. When the servo motor is working, the power output end can easily drive the rotating wheel to rotate. The top of the rotating wheel contacts the bottom of the fixed plate, driving the methane concentration sensor to move horizontally along the direction of the guide groove. This early warning device has a mechanism that allows for easy movement, which facilitates the monitoring and early warning of methane concentration in the mine over a longer range. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a methane early warning device for mine production according to the present invention.

[0014] Figure 2 This is a schematic diagram of the hollow block, fixed column, annular electrode and output terminal structure of a methane early warning device for mine production according to this utility model.

[0015] Figure 3 This is a schematic diagram of the fixing plate, protrusion, mounting hole and guide groove structure of a methane early warning device for mine production according to this utility model.

[0016] In the diagram: 1. Fixing plate; 2. Protrusion; 3. Mounting hole; 4. Guide groove; 5. Guide block; 6. U-shaped frame; 7. Servo motor; 8. Rotating wheel; 9. Reserved slot; 10. Methane concentration sensor; 11. Hollow block; 12. Fixing column; 13. Ring electrode; 14. Outgoing terminal. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] like Figure 1-3As shown, a methane early warning device for mine production includes a fixed plate 1, a guide groove 4, a guide block 5, a U-shaped frame 6, a servo motor 7, and a methane concentration sensor 10. The fixed plate 1 has guide grooves 4 at both ends of its bottom. A guide block 5 is fitted inside the guide groove 4. The bottom of the guide block 5 is connected to the U-shaped frame 6. A servo motor 7 is mounted on the top of the U-shaped frame 6 via a fixed seat. A rotating wheel 8 is connected to the power output end of the servo motor 7. The top of the rotating wheel 8 contacts the bottom of the fixed plate 1. The methane concentration sensor 10 is mounted on the bottom of the U-shaped frame 6 via screws. A hollow block 11 is mounted on one end of the U-shaped frame 6 via a fixed groove. A fixed post 12 is provided at one end of the hollow block 11. An annular electrode 13 is fitted around the fixed post 12. A terminal 14 is provided at one end of the hollow block 11. One end of the terminal 14 is connected to the annular electrode 13 via a wire. The other end of the terminal 14 is electrically connected to the servo motor 7 and the methane concentration sensor 10 via a wire.

[0019] The bottom end of the U-shaped frame 6 is provided with a reserved groove 9, and the top of the rotating wheel 8 is provided with the reserved groove 9.

[0020] In this embodiment, as shown Figure 1 As shown, since the rotating wheel 8 passes through the reserved groove 9, the U-shaped frame 6 and the guide block 5 can slide horizontally along the guide groove 4 when the rotating wheel 8 rotates.

[0021] The top of the fixing plate 1 is welded with a protrusion 2 near the corner, and a mounting hole 3 is opened through one side of the protrusion 2.

[0022] In this embodiment, as shown Figure 1 and 3 As shown, external bolts can be passed through mounting holes 3 to facilitate the connection between multiple sets of protrusions 2, thereby facilitating the splicing of multiple sets of fixing plates 1.

[0023] Both the guide groove 4 and the guide block 5 are configured as T-shaped.

[0024] In this embodiment, as shown Figure 1 and 3 As shown, because the guide groove 4 and the guide block 5 are set in a T-shape, the U-shaped frame 6 is not easy to fall off when moving horizontally.

[0025] Specifically, the servo motor 7 is configured as a brushless motor.

[0026] In this embodiment, as shown Figure 1 As shown, the brushless motor operates more smoothly and with lower noise, which can improve the stability of the methane concentration sensor 10 in this device during displacement.

[0027] It should be noted that this utility model is a methane early warning device for mine production. During operation, multiple sets of protrusions 2 can be easily connected by external bolts passing through the mounting holes 3, thereby facilitating the splicing of multiple sets of fixing plates 1. A neutral wire and a live wire are set at the top of the mine, and the neutral wire and the live wire are respectively in contact with the edges of two sets of annular electrodes 13. When the U-shaped frame 6 moves, the servo motor 7 and the methane concentration sensor 10 can always be powered. When the servo motor 7 is working, the power output end can easily drive the rotating wheel 8 to rotate, so that the top of the rotating wheel 8 contacts the bottom of the fixing plate 1, so that the U-shaped frame 6, the methane concentration sensor 10 and the guide block 5 move horizontally along the direction of the guide groove 4. This early warning device has a mechanism that allows for easy movement, which facilitates the monitoring and early warning of methane concentration in the mine over a longer range.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A methane early warning device for mine production, comprising a fixed plate (1), a guide groove (4), a guide block (5), a U-shaped frame (6), a servo motor (7), and a methane concentration sensor (10), characterized in that: The fixed plate (1) has guide grooves (4) at both ends of its bottom. A guide block (5) is fitted inside the guide groove (4). A U-shaped frame (6) is connected to the bottom of the guide block (5). A servo motor (7) is mounted on the top of the U-shaped frame (6) via a fixed seat. A rotating wheel (8) is connected to the power output end of the servo motor (7). The top of the rotating wheel (8) contacts the bottom of the fixed plate (1). A methane concentration sensor (10) is mounted on the bottom of the U-shaped frame (6) via screws. A hollow block (11) is installed at one end of the frame (6) through a fixing groove. A fixing post (12) is provided at one end of the top of the hollow block (11). An annular electrode (13) is sleeved around the fixing post (12). A wire outlet terminal (14) is provided at one end of the hollow block (11). One end of the wire outlet terminal (14) is connected to the annular electrode (13) through a wire. The other end of the wire outlet terminal (14) is electrically connected to the servo motor (7) and the methane concentration sensor (10) through a wire.

2. The methane early warning device for mine production according to claim 1, characterized in that: The bottom end of the U-shaped frame (6) is provided with a reserved groove (9), and the top of the rotating wheel (8) is provided with the reserved groove (9).

3. A methane early warning device for mine production according to claim 1, characterized in that: The top of the fixing plate (1) is welded with protrusions (2) near the corner, and a mounting hole (3) is opened through one side of the protrusion (2).

4. A methane early warning device for mine production according to claim 1, characterized in that: Both the guide groove (4) and the guide block (5) are configured as T-shaped.

5. A methane early warning device for mine production according to claim 1, characterized in that: The servo motor (7) is specifically configured as a brushless motor.

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