High-sound-pressure warning horn under mine

Abstract

The utility model relates to the technical field of horns, in particular to an underground high-sound-pressure warning horn, which comprises a main body and a protective device, a loudspeaker is arranged in the main body, a warning lamp is fixedly connected to the upper surface of the main body, an indicator lamp is fixedly connected to the surface of the main body, and the protective device is arranged on the surface of the loudspeaker. The protective device comprises a protective cover and a connecting groove, the connecting groove is formed in the surface of the loudspeaker, the protective cover is connected with the interior of the connecting groove in a clamped mode, a positioning hole is formed in the surface of the loudspeaker, and a positioning rod is fixedly connected to the surface of the protective cover. According to the utility model, by arranging the protection device, the loudspeaker is effectively protected, the effect of protecting the loudspeaker is achieved, and the problems that when the equipment is used, the equipment is used in a tunnel, the internal environment of the tunnel is relatively complex, stones are easy to fall off to impact objects, the loudspeaker is damaged, and the equipment is not easy to damage are solved. Therefore, the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a high sound pressure warning loudspeaker in a mine. Background Art

[0002] With the development of society, people's demand for minerals is increasing. Due to the long dangers in mine tunnels and the complex terrain of mine excavation passages, it is difficult for human voices to be transmitted to far places. High sound pressure warning speakers are used to transmit sound.

[0003] Prior art includes a utility model with publication number CN216565583U, which discloses a high-sound-pressure, high-definition speaker for use in mines. The patent adopts a high-definition speaker, and the inner step of the outer horn coaxially supports the inner cushion seat and the upper cover, and the inner cushion seat supports a U-iron. A magnet crimped by an upper pole plate is arranged inside the U-iron, and the outer ring of the sound membrane crimped by the upper cover is pressed onto the U-iron via a bridge frame. The top of the upper cover is open, and the gap cover of the middle cylinder is mounted on the upper cover. The middle cylinder is coaxial with the outer horn, and a mounting column is arranged on the circumferential wall of the middle cylinder. The mounting column extends downward beyond the lower end of the circumferential wall of the middle cylinder, and the locking bolts are screwed in sequence from bottom to top to lock the inner step of the outer horn, the flange edge of the upper cover and the mounting column; a conveying gap is left between the flange edge of the upper cover and the lower end of the circumferential wall of the middle cylinder; a magnet made of rare earth magnetic material is supported by a magnetic conductive middle column inside the U-iron; the utility model solves the problem of high-voltage and high-definition transmission of the equipment.

[0004] The inventors found in their daily work that during the use of the equipment, the equipment was used in a tunnel. The internal environment of the tunnel is relatively complex, and it is easy for stones to fall and hit objects, causing damage to the speaker and making it difficult to use it normally. Summary of the invention

[0005] The utility model aims to solve the defect that the loudspeaker in the prior art is easily damaged by collision, and proposes a high sound pressure warning loudspeaker for underground mines.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-sound pressure warning horn in a mine, comprising a main body and a protective device, a speaker is arranged inside the main body, a warning light is fixedly connected to the upper surface of the main body, an indicator light is fixedly connected to the surface of the main body, the protective device is arranged on the surface of the speaker, the protective device comprises a protective cover and a connecting groove, the connecting groove is arranged on the surface of the speaker, the protective cover is clamped with the inside of the connecting groove, a positioning hole is arranged on the surface of the speaker, a positioning rod is fixedly connected to the surface of the protective cover, the positioning rod is clamped with the inside of the positioning hole, a clamping groove is arranged on the surface of the protective cover, and a pull hole is arranged on the surface of the main body.

[0007] Furthermore, the inner wall of the pull hole is slidably connected with a card plate, one end of which is engaged with the inner wall of the slot. By setting the card plate, the protective cover can be restricted, thereby reducing the risk of the protective cover shaking when the device is in use, falling off the surface of the speaker and falling to the ground, thereby failing to protect the speaker.

[0008] Furthermore, one end of the card plate away from the card slot is fixedly connected with a spring, and one end of the spring away from the card plate is fixedly connected to the inside of the pull hole. The spring is provided to facilitate applying a restoring elastic force to the card plate.

[0009] Furthermore, a pulling block is fixedly connected to the surface of the card plate, and the pulling block is slidably connected to the inner wall of the pulling hole. The pulling block is provided to facilitate the movement of the card plate.

[0010] Furthermore, the surface of the main body is provided with a cleaning device, which includes a slide rail and a cleaning brush. The slide rail is fixedly connected to the surface of the main body, and the cleaning brush is arranged on the surface of the protective cover. One end of the cleaning brush is fixedly connected to a connecting head, and the connecting head is slidably connected to the inner wall of the slide rail. The inner wall of the slide rail is fixedly connected to a sliding rod, and the sliding rod is slidably connected to the inner wall of the connecting head. A nut is fixedly connected to the side of the connecting head. The interior of the slide rail is slidably connected to a threaded rod, and the threaded rod is rotatably connected to the interior of the connecting head. The nut is threadedly connected to the surface of the threaded rod, and one end of the threaded rod is fixedly connected to a connecting cap. By setting a cleaning plate, dust blocked on the surface of the protective cover can be cleaned, which reduces the risk of dust being easily absorbed and accumulated on the surface of the protective cover when the equipment is in use, which easily causes the speaker to be difficult to sound an early warning.

[0011] Furthermore, one end of the threaded rod is fixedly connected to a first rotating wheel, and a second rotating wheel is arranged at the lower end of the first rotating wheel. The threaded rod is arranged to facilitate the movement of the nut.

[0012] Furthermore, the first rotating wheel and the second rotating wheel are connected by a belt, one end of the second rotating wheel is fixedly connected to a motor, the motor is fixedly connected to the surface of the main body, and a belt is provided to drive the first rotating wheel and the second rotating wheel.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when the device is in use, the user installs the device inside the tunnel where early warning is required. When the device issues an early warning, the speaker makes a sound, and then the warning light flashes to indicate the location. Before using the device, the user pulls the pull block, and then the movement of the pull block drives the card plate to move, and the movement of the card plate drives the spring displacement and deformation to generate elastic force, and then the protective cover is combined with the surface of the speaker, and then the positioning rod is completely combined with the inside of the positioning hole, and the restraint on the pull block is released, and then the spring resets and drives the card plate to engage with the inside of the card slot to restrict the protective cover. By setting the protective device, the speaker is effectively protected, which plays a role in protecting the speaker, reduces the risk of the device being used because the device is used in a tunnel, and the internal environment of the tunnel is relatively complex, and it is easy for stones to fall and hit objects, causing damage to the speaker, making it difficult to use the device normally, thereby improving the practicability of the device.

[0015] 2. In the utility model, by providing a cleaning device, when the equipment is used, the user starts the equipment, and then the motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the nut to move, the movement of the nut drives the connecting head to move, and the movement of the connecting head drives the cleaning plate to move to clean the dust on the surface of the protective cover. By providing a cleaning device, the protective cover is effectively cleaned, which plays a role in cleaning the dust on the surface of the protective cover, reducing the risk of the equipment being used for a long time inside the tunnel, and the surface of the protective cover easily and quickly absorbing a large amount of dust, blocking the birth outlet of the speaker, causing the sound of the speaker to be reduced, making it difficult to achieve sound, and difficult to issue an early warning, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural diagram of a high sound pressure warning horn for underground mines;

[0017] Figure 2 The utility model provides a schematic diagram of the side view structure of a high sound pressure warning horn for underground mines;

[0018] Figure 3 This is a partial structural diagram of a high sound pressure warning horn for underground mines proposed by the utility model;

[0019] Figure 4 The utility model proposes a high sound pressure warning horn for underground mines. Figure 3 Schematic diagram of the structure at A in the middle;

[0020] Figure 5 The utility model proposes a high sound pressure warning horn for underground mines. Figure 3 Schematic diagram of the structure at point B in the middle.

[0021] Legend: 1. Main body; 2. Speaker; 3. Warning light; 4. Indicator light; 5. Protective device; 51. Protective cover; 52. Connecting groove; 53. Positioning hole; 54. Positioning rod; 55. Card slot; 56. Pull hole; 57. Card plate; 58. Spring; 59. Pull block; 6. Cleaning device; 61. Slide rail; 62. Cleaning brush; 63. Connector; 64. Nut; 65. Threaded rod; 66. Connecting cap; 67. First rotating wheel; 68. Second rotating wheel; 69. Motor; 610. Belt; 611. Slide rod. DETAILED DESCRIPTION

[0022] See also Figure 1-5 The utility model provides a technical solution: a high sound pressure warning horn for underground mines, comprising a main body 1 and a protective device 5, a speaker 2 is arranged inside the main body 1, a warning light 3 is fixedly connected to the upper surface of the main body 1, and an indicator light 4 is fixedly connected to the surface of the main body 1.

[0023] The specific settings and functions of the protective device 5 and the cleaning device 6 will be described in detail below.

[0024] In this embodiment: the protective device 5 is arranged on the surface of the speaker 2, the protective device 5 includes a protective cover 51 and a connecting groove 52, the connecting groove 52 is opened on the surface of the speaker 2, the protective cover 51 is clamped with the inside of the connecting groove 52, a positioning hole 53 is opened on the surface of the speaker 2, a positioning rod 54 is fixedly connected to the surface of the protective cover 51, the positioning rod 54 is clamped with the inside of the positioning hole 53, a clamping groove 55 is opened on the surface of the protective cover 51, and a pull hole 56 is opened on the surface of the main body 1.

[0025] Specifically, a clamping plate 57 is slidably connected to the inner wall of the pulling hole 56 , and one end of the clamping plate 57 is clamped to the inner wall of the clamping groove 55 .

[0026] In this embodiment: by providing the card plate 57, the protective cover 51 can be restricted, thereby reducing the risk of the protective cover 51 shaking when the device is in use, falling off the surface of the speaker 2 and failing to protect the speaker 2.

[0027] Specifically, one end of the card plate 57 away from the card slot 55 is fixedly connected to a spring 58 , and one end of the spring 58 away from the card plate 57 is fixedly connected to the inside of the pull hole 56 . The spring 58 is provided to facilitate applying a restoring elastic force to the card plate 57 .

[0028] Specifically, a pull block 59 is fixedly connected to the surface of the clamping plate 57 , and the pull block 59 is slidably connected to the inner wall of the pull hole 56 . The pull block 59 is provided to facilitate the movement of the clamping plate 57 .

[0029] In this embodiment: a cleaning device 6 is provided on the surface of the main body 1, and the cleaning device 6 includes a slide rail 61 and a cleaning brush 62. The slide rail 61 is fixedly connected to the surface of the main body 1, and the cleaning brush 62 is provided on the surface of the protective cover 51. One end of the cleaning brush 62 is fixedly connected to a connector 63, and the connector 63 is slidably connected to the inner wall of the slide rail 61. A slide rod 611 is fixedly connected to the inner wall of the slide rail 61, and the slide rod 611 is slidably connected to the inner wall of the connector 63. A nut 64 is fixedly connected to the side of the connector 63. A threaded rod 65 is slidably connected to the inside of the slide rail 61, and the threaded rod 65 is rotatably connected to the inside of the connector 63. The nut 64 is threadedly connected to the surface of the threaded rod 65, and one end of the threaded rod 65 is fixedly connected to a connecting cap 66.

[0030] In this embodiment: by providing a cleaning plate, the dust clogged on the surface of the protective cover 51 can be cleaned, which reduces the risk of dust being adsorbed and accumulated on the surface of the protective cover 51 when the device is in use, which can easily cause the speaker 2 to have difficulty in emitting an early warning sound.

[0031] Specifically, one end of the threaded rod 65 is fixedly connected to the first rotating wheel 67 , and the lower end of the first rotating wheel 67 is provided with a second rotating wheel 68 . The threaded rod 65 is provided to facilitate the movement of the nut 64 .

[0032] Specifically, the first rotating wheel 67 and the second rotating wheel 68 are connected by a belt 610. One end of the second rotating wheel 68 is fixedly connected to a motor 69. The motor 69 is fixedly connected to the surface of the main body 1. The belt 610 is provided to facilitate driving the first rotating wheel 67 and the second rotating wheel 68.

[0033] Working principle: When the device is in use, the user installs the device inside the tunnel where an early warning is required. When the device issues an early warning, the speaker 2 emits a sound, and then the warning light 3 flashes to indicate the location. Before using the device, the user pulls the pull block 59, and then the pull block 59 moves to drive the card plate 57 to move. The card plate 57 moves to drive the spring 58 to displace and deform to generate elastic force, and then the protective cover 51 is combined with the surface of the speaker 2. When the positioning rod 54 is completely combined with the inside of the positioning hole 53, the restraint on the pull block 59 is released, and then the spring 58 is reset to drive the card plate 57 to engage with the inside of the card slot 55, and the protective cover 51 is restricted. By setting the protective device 5, the speaker 2 is effectively protected, which plays a role in protecting the speaker 2, and reduces the use of the device. Since the device is used in a tunnel, the internal environment of the tunnel is relatively complex, and it is easy for stones to fall and hit objects, causing damage to the speaker 2, making it difficult to use normally, thereby improving the practicability of the device.

[0034] When using the device, the user starts the device, and then the motor 69 rotates to drive the threaded rod 65 to rotate, the threaded rod 65 rotates to drive the nut 64 to move, the nut 64 moves to drive the connecting head 63 to move, the connecting head 63 moves to drive the cleaning plate to move to clean the dust on the surface of the protective cover 51. By setting up the cleaning device 6, the protective cover 51 is effectively cleaned, which plays a role in cleaning the dust on the surface of the protective cover 51, reducing the risk of the device being used for a long time inside the tunnel, and the surface of the protective cover 51 easily and quickly absorbing a large amount of dust, blocking the birth outlet of the speaker 2, causing the sound of the speaker 2 to be reduced, making it difficult to achieve sound, and difficult to issue an early warning, thereby improving the practicability of the device.

Claims

1. A high sound pressure warning horn for underground mines, comprising a main body (1) and a protective device (5), characterized in that: A speaker (2) is arranged inside the main body (1), a warning light (3) is fixedly connected to the upper surface of the main body (1), an indicator light (4) is fixedly connected to the surface of the main body (1), the protective device (5) is arranged on the surface of the speaker (2), the protective device (5) comprises a protective cover (51) and a connecting groove (52), the connecting groove (52) is arranged on the surface of the speaker (2), the protective cover (51) is engaged with the inside of the connecting groove (52), a positioning hole (53) is arranged on the surface of the speaker (2), a positioning rod (54) is fixedly connected to the surface of the protective cover (51), the positioning rod (54) is engaged with the inside of the positioning hole (53), a clamping groove (55) is arranged on the surface of the protective cover (51), and a pull hole (56) is arranged on the surface of the main body (1).

2. The high sound pressure warning horn for underground mines according to claim 1 is characterized by: The inner wall of the pulling hole (56) is slidably connected with a clamping plate (57), and one end of the clamping plate (57) is clamped with the inner wall of the clamping groove (55).

3. The high sound pressure warning horn for underground mines according to claim 2 is characterized by: One end of the clamping plate (57) away from the clamping slot (55) is fixedly connected to a spring (58), and one end of the spring (58) away from the clamping plate (57) is fixedly connected to the inside of the pulling hole (56).

4. The high sound pressure warning horn for underground mines according to claim 3 is characterized by: A pull block (59) is fixedly connected to the surface of the clamping plate (57), and the pull block (59) is slidably connected to the inner wall of the pull hole (56).

5. The high sound pressure warning horn for underground mines according to claim 1 is characterized by: The surface of the main body (1) is provided with a cleaning device (6), the cleaning device (6) comprising a slide rail (61) and a cleaning brush (62), the slide rail (61) being fixedly connected to the surface of the main body (1), the cleaning brush (62) being provided on the surface of the protective cover (51), one end of the cleaning brush (62) being fixedly connected to a connector (63), the connector (63) being slidably connected to the inner wall of the slide rail (61), the inner wall of the slide rail (61) being fixedly connected to a slide rod (611), the slide rod (611) being slidably connected to the inner wall of the connector (63), a nut (64) being fixedly connected to the side of the connector (63), a threaded rod (65) being slidably connected to the inside of the slide rail (61), the threaded rod (65) being rotatably connected to the inside of the connector (63), the nut (64) being threadedly connected to the surface of the threaded rod (65), and one end of the threaded rod (65) being fixedly connected to a connecting cap (66).

6. The high sound pressure warning horn for underground mines according to claim 5 is characterized by: One end of the threaded rod (65) is fixedly connected to a first rotating wheel (67), and a second rotating wheel (68) is provided at the lower end of the first rotating wheel (67).

7. The high sound pressure warning horn for underground mines according to claim 6 is characterized by: The first rotating wheel (67) and the second rotating wheel (68) are connected by a belt (610); one end of the second rotating wheel (68) is fixedly connected to a motor (69); and the motor (69) is fixedly connected to the surface of the main body (1).

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