Tunnel emergency broadcasting equipment

Abstract

The utility model relates to the technical field of tunnel broadcasting, in particular to tunnel emergency broadcasting equipment, which comprises a placement box, a mounting frame is fixedly arranged at the bottom end of the placement box, a moving mechanism is mounted at the center bottom end in the placement box and comprises a moving assembly, and the top end of the moving assembly is connected with the center bottom side of a U-shaped frame. An adjusting mechanism is installed at the top end of the U-shaped frame, a sound box is installed at the top end of the adjusting mechanism, the top end of a driving mechanism is installed at the top end of the interior of the containing box, the driving mechanism comprises a transmission assembly, a connecting rod is arranged at the bottom end of the transmission assembly, and the bottom end of the connecting rod is connected with the rear side of the top end of the U-shaped frame; and the right side of the front end of the transmission assembly is connected with the driving assembly, and the rear side of the driving assembly is provided with a limiting plate, so that protection is further carried out, the sound box is better protected, the service life of the sound box is prolonged, passengers are conveniently reminded, the efficiency is improved, the passengers are conveniently reminded, and message reminding and spreading are wider.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel broadcasting, in particular to a tunnel emergency broadcasting device. Background Art

[0002] A tunnel is an engineering structure buried in the ground. It is a form of human utilization of underground space. It is usually excavated and constructed between mountains or under water for vehicles and pedestrians to travel through. It can greatly shorten the car journey and save the time spent on detours. However, serious problems may also occur inside the tunnel, such as local collapse and other accidents. According to publication number CN219394849U, a tunnel emergency broadcasting device is disclosed, including a bearing plate, support frames are provided at the bottom of the left and right ends of the bearing plate, a movable tube is installed in the middle of the bearing plate, a mounting frame is provided at the bottom of the movable tube, electric telescopic rods are fixedly installed between the left and right ends of the mounting frame and the bearing plate, the top of the movable tube is connected to a fixed plate, a loudspeaker is provided at the upper end of the fixed plate, and an adjustment rod is installed at the bottom of the front end of the loudspeaker. The utility model controls the mounting frame to move upward or downward through an electric telescopic rod, at which time the connecting columns on the left and right sides of the top of the fixed rod can be used to squeeze the spiral guide groove provided at the bottom of the movable tube, so that the movable tube drives the fixing plate and the loudspeaker to rotate clockwise or counterclockwise, thereby realizing multi-directional adjustment of the direction of the loudspeaker, facilitating the long-distance transmission of the broadcast sound in the tunnel, and achieving better emergency broadcasting effect. However, during operation, due to the long tunnel and the fast rotation of the device, it is inevitable that some people cannot hear the information, affecting subsequent arrangements, etc., which is likely to cause safety hazards to personnel. In addition, when the audio is not in use, it is exposed in the tunnel for a long time, affecting its service life. When it is damaged in use, it has a huge impact and requires time for repair. Therefore, it is urgent to design a tunnel emergency broadcasting device to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a tunnel emergency broadcasting device to solve the problems raised in the above-mentioned background technology. However, during operation, due to the long tunnel and the rapid rotation of the device, some people may not be able to hear the information, affecting subsequent arrangements, etc., which may easily cause safety hazards to personnel. In addition, when the audio is not in use, it is exposed in the tunnel for a long time, affecting its service life. When it is damaged in use, it has a huge impact and requires time for repair.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tunnel emergency broadcasting device, comprising a placement box, a mounting frame is fixedly arranged at the bottom end of the placement box, a moving mechanism is installed at the inner center bottom end of the placement box, the moving mechanism comprises a moving component, the top end of the moving component is connected to the central bottom side of the U-shaped frame, an adjustment mechanism is installed at the top end of the U-shaped frame, a speaker is installed at the top end of the adjustment mechanism, the top end of the driving mechanism is installed at the inner top end of the placement box, the driving mechanism comprises a transmission component, a connecting rod is provided at the bottom end of the transmission component, the bottom end of the connecting rod is connected to the rear side of the top end of the U-shaped frame, the front end right side of the transmission component is connected to the driving component, and a limiting plate is provided on the rear side of the driving component.

[0005] Preferably, a bottom groove is opened at the bottom side of the inner front end of the placement box, guide rails are installed on the inner two walls of the placement box, a sliding cover is clamped on the upper side of the bottom groove, and the right side of the sliding cover passes through the right side of the front end of the placement box.

[0006] Preferably, the sliding cover comprises a side plate, a groove is formed on the inner wall of the top end of the side plate, and a rack plate is provided inside the groove.

[0007] Preferably, the moving component includes a first motor, the front end of which is connected to the rear side of a fixed moving rail, a rotating belt group is provided at the top of the fixed moving rail, the center of the rotating belt group is engaged with a rotating gear, the top of the rotating gear is connected to a U-shaped frame, three sets of auxiliary wheels are provided on both sides of the fixed moving rail, and the top of the auxiliary wheels is connected to the bottom end of the U-shaped frame.

[0008] Preferably, the adjustment mechanism includes a second motor, the top end of which is installed on the right side of the bottom end of the U-shaped frame, the top end of the second motor is connected to the bottom end of the rotating column, the top end of the rotating column is connected to the broken-tooth gear, light plates are provided on both sides of the broken-tooth gear, the left side of the broken-tooth gear engages with the right side of the outer gear, the outer gear is sleeved on the outside of the rotating ring, and the bottom end of the rotating ring is clamped on the top of the fixed disk.

[0009] Preferably, the transmission assembly includes a threaded rod, both ends of the threaded rod are sleeved with limit bearings, a rotating cylinder is fixed on the right side of the threaded rod, a threaded sleeve is sleeved in the center of the threaded rod, and the bottom end of the threaded sleeve is connected to the top end of the connecting rod.

[0010] Preferably, the driving assembly includes a gear group, the left side of the gear group is sleeved on the outside of the rotating cylinder, the right side of the gear group is connected to the center of the main rotating shaft, the rear side of the main rotating shaft is inserted into the front end of the limiting plate, the front end of the main rotating shaft is connected to the transverse bevel gear, the front end top side of the transverse bevel gear is engaged with the vertical bevel gear, the top end of the vertical bevel gear is connected to the bottom end of the auxiliary rotating shaft and is connected to the large tooth gear.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] This tunnel emergency broadcasting equipment is connected by setting a threaded sleeve in a driving mechanism and connecting it with a connecting rod at the bottom. Then the moving mechanism can drive the threaded rod to rotate. The rotation of the threaded rod drives the driving component to drive the rack plate in the inner plate of the sliding cover to engage and move, and then the sliding cover is opened to release the speakers for broadcasting. This device can further protect the speakers and better protect their service life to extend its service life.

[0013] This tunnel emergency broadcasting equipment, by setting a first motor in a moving mechanism to drive a rotating belt group to drive a U-shaped frame to move, so as to facilitate the removal of the speaker for broadcasting, so as to remind passengers and improve efficiency; then, the second motor in the adjustment mechanism is started to drive the broken tooth gear to engage with the outer gear, and the light plates are respectively provided on the outer side of the broken tooth gear for intermittent engagement, so as to continuously rotate the rotating ring and the speaker, so as to remind passengers better and spread the message reminder to people more widely. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the storage box of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the mobile mechanism of the utility model;

[0017] Figure 4 It is a bottom view of the structure of the driving mechanism of the utility model.

[0018] In the figure: 1. Placement box; 101. Guide rail; 102. Slide cover; 1021. Side plate; 1022. Groove; 1023. Rack plate; 103. Bottom groove; 2. Mounting frame; 3. Moving mechanism; 301. Moving assembly; 3011. First motor; 3012. Fixed moving rail; 3013. Rotating belt group; 3014. Rotating gear; 3015. Auxiliary wheel; 302. U-shaped frame; 4. Adjustment mechanism; 401. Second motor; 402. Rotating column; 403. Broken tooth gear; 4031. Light plate; 404, outer gear; 405, rotating ring; 406, fixed plate; 5, sound; 6, driving mechanism; 601, transmission assembly; 6011, threaded rod; 6012, limit bearing; 6013, threaded sleeve; 6014, rotating cylinder; 602, connecting rod; 603, driving assembly; 6031, gear set; 6032, main rotating shaft; 6033, horizontal bevel gear; 6034, vertical bevel gear; 6035, auxiliary rotating shaft; 6036, large tooth gear; 604, limit plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , an embodiment provided by the utility model:

[0021] A tunnel emergency broadcasting device includes a placement box 1, characterized in that: a mounting frame 2 is fixedly arranged at the bottom end of the placement box 1, a moving mechanism 3 is installed at the inner center bottom end of the placement box 1, the moving mechanism 3 includes a moving component 301, the top end of the moving component 301 is connected to the central bottom side of a U-shaped frame 302, an adjusting mechanism 4 is installed at the top end of the U-shaped frame 302, a sound 5 is installed at the top end of the adjusting mechanism 4, the top end of the driving mechanism 6 is installed at the inner top end of the placement box 1, the driving mechanism 6 includes a transmission component 601, a connecting rod 602 is provided at the bottom end of the transmission component 601, the bottom end of the connecting rod 602 is connected to the rear side of the top end of the U-shaped frame 302, the front end right side of the transmission component 601 is connected to the driving component 603, and a limiting plate 604 is provided on the rear side of the driving component 603.

[0022] As a further feature of the present invention, a bottom groove 103 is provided on the bottom side of the inner front end of the storage box 1, guide rails 101 are installed on the two inner walls of the storage box 1, a sliding cover 102 is clamped on the upper side of the bottom groove 103, and the right side of the sliding cover 102 passes through the right side of the front end of the storage box 1. The sliding cover 102 includes a side panel 1021, and a groove 1022 is provided on the inner wall of the top end of the side panel 1021. A rack plate 1023 is provided inside the groove 1022, so as to better protect the audio and extend its service life.

[0023] As a further feature of the present invention, the moving component 301 includes a first motor 3011, the front end of the first motor 3011 is connected to the rear side of a fixed moving rail 3012, a rotating belt group 3013 is provided at the top of the fixed moving rail 3012, the center of the rotating belt group 3013 is engaged with a rotating gear 3014, the top of the rotating gear 3014 is connected to a U-shaped frame 302, three sets of auxiliary wheels 3015 are provided on both sides of the fixed moving rail 3012, the top of the auxiliary wheels 3015 is connected to the bottom of the U-shaped frame 302, so as to facilitate the movement of the audio system to disseminate information.

[0024] Furthermore, the adjustment mechanism 4 includes a second motor 401, the top of which is installed on the right side of the bottom end of the U-shaped frame 302, the top of the second motor 401 is connected to the bottom end of the rotating column 402, the top of the rotating column 402 is connected to the broken-tooth gear 403, light panels 4031 are provided on both sides of the broken-tooth gear 403, the left side of the broken-tooth gear 403 engages with the right side of the outer gear 404, the outer gear 404 is sleeved on the outside of the rotating ring 405, and the bottom end of the rotating ring 405 is clamped on the top of the fixed plate 406, which is convenient for the speaker to be moved out for broadcasting, to remind passengers and improve efficiency.

[0025] As a further feature of the present invention, the transmission assembly 601 includes a threaded rod 6011, both ends of the threaded rod 6011 are sleeved with limit bearings 6012, a rotating cylinder 6014 is fixedly arranged on the right side of the threaded rod 6011, a threaded sleeve 6013 is sleeved in the center of the threaded rod 6011, and the bottom end of the threaded sleeve 6013 is connected to the top end of the connecting rod 602. The threaded rod can be driven to rotate through the moving mechanism, thereby driving the driving assembly to work.

[0026] Furthermore, the driving assembly 603 includes a gear set 6031, the left side of the gear set 6031 is sleeved on the outside of the rotating cylinder 6014, the right side of the gear set 6031 is connected to the center of the main rotating shaft 6032, the rear side of the main rotating shaft 6032 is inserted into the front end of the limiting plate 604, the front end of the main rotating shaft 6032 is connected to the transverse bevel gear 6033, the front end top side of the transverse bevel gear 6033 is engaged with the vertical bevel gear 6034, the top end of the vertical bevel gear 6034 is connected to the bottom end of the auxiliary rotating shaft 6035 and is connected to the large tooth gear 6036, so as to better remind people and spread messages more widely.

[0027] Working principle: When using, when the user needs to use the speaker 5 to transmit information, he only needs to remotely start the first motor 3011 to drive the top rotating belt group 3013 to rotate. When the rotating belt group 3013 rotates, it drives the central rotating gear 3014 to rotate and then drives the top U-shaped frame 302 to move. When the U-shaped frame 302 moves, it drives the top speaker 5 to move outward synchronously. When the U-shaped frame 302 moves, the rear connecting rod 602 and the top threaded sleeve 6013 are moved. When the threaded sleeve 6013 moves, it drives the fixed threaded rod 6011 to rotate. The rotation of the threaded rod 6011 drives the front rotating cylinder 6014 and the gear group 6031 to drive the main rotating shaft 6032 to rotate. Through the main rotating shaft 60 The rotation of 32 drives the horizontal bevel gear 6033 to engage with the vertical bevel gear 6034 to rotate, and the vertical bevel gear 6034 rotates to engage with the secondary rotating shaft 6035 to rotate, and the secondary rotating shaft 6035 rotates to drive the bottom large-tooth gear 6036 to engage with the rack plate 1023 inside the groove 1022 on the rear side of the side plate 1021 to move. When the speaker 5 is moved out, the sliding cover 102 can be used after it is moved out, and then the second motor 401 is started to drive the rotating column 402 and the broken-tooth gear 403 with two gears on the top to intermittently engage with the outer gear 404, so that the outer gear 404 drives the sleeved rotating ring 405 to rotate in the bottom fixed plate 406, and then the rotation direction of the speaker 5 is convenient for better transmission. This is the entire working principle of the utility model.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A tunnel emergency broadcasting device, comprising a placement box (1), characterized in that: A mounting frame (2) is fixedly arranged at the bottom end of the placement box (1); a moving mechanism (3) is installed at the center bottom end of the placement box (1); the moving mechanism (3) comprises a moving assembly (301); the top end of the moving assembly (301) is connected to the center bottom side of the U-shaped frame (302); an adjusting mechanism (4) is installed at the top end of the U-shaped frame (302); a speaker (5) is installed at the top end of the adjusting mechanism (4); the top end of a driving mechanism (6) is installed at the top end of the placement box (1); the driving mechanism (6) comprises a transmission assembly (601); a connecting rod (602) is provided at the bottom end of the transmission assembly (601); the bottom end of the connecting rod (602) is connected to the rear side of the top end of the U-shaped frame (302); the front right side of the transmission assembly (601) is connected to the driving assembly (603); a limiting plate (604) is provided at the rear side of the driving assembly (603).

2. The tunnel emergency broadcasting device according to claim 1, characterized in that: A bottom groove (103) is provided at the bottom side of the front end of the storage box (1), guide rails (101) are installed on the two inner walls of the storage box (1), a sliding cover (102) is clamped on the upper side of the bottom groove (103), and the right side of the sliding cover (102) passes through the right side of the front end of the storage box (1).

3. The tunnel emergency broadcasting device according to claim 2, characterized in that: The sliding cover (102) comprises a side plate (1021), a groove (1022) is provided on the inner wall of the top end of the side plate (1021), and a rack plate (1023) is provided inside the groove (1022).

4. The tunnel emergency broadcasting device according to claim 1, characterized in that: The moving assembly (301) comprises a first motor (3011), the front end of the first motor (3011) is connected to the rear side of a fixed moving rail (3012), a rotating belt group (3013) is provided at the top end of the fixed moving rail (3012), the center of the rotating belt group (3013) is meshed with a rotating gear (3014), the top end of the rotating gear (3014) is connected to a U-shaped frame (302), three sets of auxiliary wheels (3015) are provided on both sides of the fixed moving rail (3012), and the top ends of the auxiliary wheels (3015) are connected to the bottom end of the U-shaped frame (302).

5. The tunnel emergency broadcasting device according to claim 1, characterized in that: The adjusting mechanism (4) comprises a second motor (401), the top end of the second motor (401) is mounted on the right side of the bottom end of the U-shaped frame (302), the top end of the second motor (401) is connected to the bottom end of the rotating column (402), the top end of the rotating column (402) is connected to a broken-tooth gear (403), both sides of the broken-tooth gear (403) are provided with light plates (4031), the left side of the broken-tooth gear (403) is engaged with the right side of an outer gear (404), the outer gear (404) is sleeved on the outside of a rotating ring (405), and the bottom end of the rotating ring (405) is clamped on the top end of a fixed plate (406).

6. The tunnel emergency broadcasting device according to claim 1, characterized in that: The transmission assembly (601) comprises a threaded rod (6011), both ends of the threaded rod (6011) are sleeved with limit bearings (6012), a rotating cylinder (6014) is fixedly arranged on the right side of the threaded rod (6011), a threaded sleeve (6013) is sleeved in the center of the threaded rod (6011), and the bottom end of the threaded sleeve (6013) is connected to the top end of the connecting rod (602).

7. The tunnel emergency broadcasting device according to claim 1, characterized in that: The driving assembly (603) comprises a gear set (6031), the left side of the gear set (6031) is sleeved on the outer side of the rotating cylinder (6014), the right side of the gear set (6031) is connected to the center of the main rotating shaft (6032), the rear side of the main rotating shaft (6032) is inserted into the front end of the limiting plate (604), the front end of the main rotating shaft (6032) is connected to a transverse bevel gear (6033), the front end top side of the transverse bevel gear (6033) is meshed with a vertical bevel gear (6034), the top end of the vertical bevel gear (6034) is connected to the auxiliary rotating shaft (6035), and the bottom end is connected to a large tooth gear (6036).

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