CN117856949A - Emergency broadcasting device for expressway and tunnel - Google Patents
Emergency broadcasting device for expressway and tunnel Download PDFInfo
- Publication number
- CN117856949A CN117856949A CN202410067842.2A CN202410067842A CN117856949A CN 117856949 A CN117856949 A CN 117856949A CN 202410067842 A CN202410067842 A CN 202410067842A CN 117856949 A CN117856949 A CN 117856949A
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- sound
- broadcasting device
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 25
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 25
- 241001330002 Bambuseae Species 0.000 claims description 25
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 25
- 239000011425 bamboo Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 241000221535 Pucciniales Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to the technical field of emergency broadcasting devices and discloses an emergency broadcasting device for highways and tunnels, which comprises a mounting plate and an emergency broadcasting horn main body, wherein the emergency broadcasting horn main body is fixedly mounted on the mounting plate, a dustproof shell is fixedly connected to a horn mouth of the emergency broadcasting horn main body, a sound transmission barrel is fixedly connected to the middle part of one side of the dustproof shell, and the sound transmission barrel is communicated with the dustproof shell. According to the invention, the rain shielding plate can play a role in shielding rain for the whole device, so that the situation that parts are corroded due to the fact that the emergency broadcasting device is corroded by rainwater for a long time is avoided, the broadcast transmitted through the emergency broadcasting horn main body is transmitted to the two first sound amplifying cylinders and the two second sound amplifying cylinders through the dustproof shell and the sound transmitting cylinders, and the transmitted broadcast sound can be further amplified through the two first sound amplifying cylinders and the two second sound amplifying cylinders, so that the broadcast sound can be rapidly diffused in different directions, and a better broadcast effect is achieved.
Description
Technical Field
The invention belongs to the technical field of emergency broadcasting devices, and particularly relates to an emergency broadcasting device for highways and tunnels.
Background
At present, emergency broadcasting devices are installed in the expressway and the tunnel, so that the emergency broadcasting devices can timely broadcast the accident when the emergency accident happens, the safety of vehicles running on the expressway and in the tunnel is guaranteed, and the probability of vehicle damage and casualties is reduced.
The emergent broadcasting device that present highway and tunnel used is open loudspeaker formula, and it can effectively enlarge the sound of broadcasting, only can use when taking place the emergency. The utility model discloses an emergency broadcast device through retrieving CN117118551A discloses a highway and tunnel, including the broadcaster body, fixedly be provided with the mount pad body on the broadcaster body, the fixed upward protruding carrier plate that is provided with in upper end of mount pad body, upward protruding carrier plate is last fixed mounting have electric telescopic handle and controller, and the fixed support guide arm that is provided with of symmetry on the upward protruding carrier plate of electric telescopic handle both sides, the fixed hollow support rail board that is provided with in both sides of broadcaster body, be provided with the sealing plate body in the opening part of broadcaster body.
But the present inventors have found that this technical solution still has at least the following drawbacks:
the broadcasting device body that sets up in above-mentioned device is when not using, seal the plate body and be in the closed state, can effectively avoid its inside dust impurity of accumulation like this, also can avoid birds to build the nest in its inside simultaneously, make broadcasting device body can normally use, but when installing broadcasting device body on highway, whole device body is exposed in external environment, when being in overcast and rainy weather, receive the erosion of rainwater for a long time, make each part on the broadcasting device body can appear the phenomenon of corrosion, and when carrying out further amplification through the megaphone to sound, do not have direct relation of connection between the emergent broadcast loudspeaker on megaphone and the broadcasting device body, can lead to the sound that emergent broadcast loudspeaker sent can not send through the megaphone completely, partial sound can directly pass through emergent broadcast loudspeaker outgoing, under such circumstances, the effect of megaphone can be discounted greatly.
The present invention has been made in view of this.
Disclosure of Invention
In order to solve the technical problem that the sound amplifying effect of the sound amplifying tube can be greatly reduced, the invention adopts the basic conception of the technical scheme that:
the utility model provides an emergent broadcasting device in highway and tunnel, includes mounting panel and emergent broadcast loudspeaker main part, emergent broadcast loudspeaker main part fixed mounting is on the mounting panel, the horn mouth fixedly connected with dust cover of emergent broadcast loudspeaker main part, dust cover one side middle part fixedly connected with sound transmission section of thick bamboo, sound transmission section of thick bamboo is linked together with dust cover, sound transmission section of thick bamboo both sides fixedly connected with symmetry sets up first sound amplification section of thick bamboo, sound transmission section of thick bamboo tip position fixedly connected with second sound amplification section of thick bamboo, mounting panel top fixedly mounted has the weather shield, the weather shield both sides have the first closing plate of symmetry setting through hinge hinged joint, two first closing plate contacts with the tip nozzle outer wall of two first sound amplification section of thick bamboo respectively, weather shield one side middle part is through hinge hinged joint second closing plate, the second closing plate contacts with the tip nozzle outer wall of second sound amplification section of thick bamboo.
As a preferred embodiment of the invention, the outer walls of one side of the two first sealing plates are fixedly connected with first fixing seats, and the top ends of the two first fixing seats are fixedly connected with first guide rods.
As a preferred embodiment of the invention, the outer wall of the top of the rain shield is fixedly connected with a mounting shell, both ends of the mounting shell are provided with rectangular movable ports, the inner walls of the two rectangular movable ports are respectively and slidably connected with a transverse plate, the end parts of the two transverse plates are respectively provided with a connecting groove, and the top ends of the two first guide rods are respectively hinged to the inner sides of the two connecting grooves.
As a preferred embodiment of the invention, the outer wall of one side of the second sealing plate is fixedly connected with a second fixing seat, the outer wall of the top of the second fixing seat is fixedly connected with a second guide rod, and the top end of the second guide rod is hinged with a concave connecting frame.
As a preferred implementation mode of the invention, a movable hole is formed in one side of the installation shell, an annular groove is formed in the inner wall of the movable hole, a rotating ring is rotatably connected to the inner wall of the annular groove, and a rotating shaft is fixedly connected to the inner wall of the rotating ring.
As a preferable implementation mode of the invention, one end of the rotating shaft extending to the outer side of the installation shell is fixedly connected with a threaded rod, the outer wall of one side of the concave connecting frame is fixedly connected with a threaded sleeve, and the threaded sleeve is in threaded connection with the outer wall of the threaded rod.
As a preferred embodiment of the invention, the inner wall of the installation shell is slidably connected with symmetrically arranged sliding plates, opposite ends of the two transverse plates are respectively and fixedly connected with one side outer wall of the two sliding plates, one side outer wall of the sliding plate on the left side is fixedly connected with a first rack, and one side outer wall of the sliding plate on the right side is fixedly connected with a second rack.
As a preferable implementation mode of the invention, the outer wall of the rotating shaft, which is positioned at the inner side of the installation shell, is fixedly connected with a gear, the first rack and the second rack are both meshed with the gear, the inner wall of one side of the installation shell is fixedly provided with a driving motor, and the output shaft of the driving motor is connected at the end part of the rotating shaft through a coupler.
As a preferred embodiment of the present invention, the sliding plate on the left side is provided with a first rectangular opening, the first rectangular opening is located on one side of the second rack, the sliding plate on the right side is provided with a second rectangular opening, and the second rectangular opening is located on one side of the first rack.
As a preferred embodiment of the invention, the outer wall of one side of the mounting plate is fixedly connected with symmetrically arranged fixing rods, and one ends of the two fixing rods are respectively and fixedly connected to the outer walls of one side of the two first sound amplifying cylinders.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the rain shield, the whole device can play a role in shielding rain, the situation that parts are corroded due to the fact that an emergency broadcasting device is corroded by rainwater for a long time is avoided, when an emergency situation needs to be used for broadcasting by an emergency broadcasting horn main body, a driving motor is started to work, a movable hole matched with the driving motor and a rotating ring are arranged, the rotating shaft drives a gear to rotate, the gear drives a first rack to move relatively with a second rack, the first rack and the second rack drive two sliding plates to move relatively, the two sliding plates drive two transverse plates to move relatively, the two transverse plates drive two first guide rods to move and enable angles of the two first guide rods to deflect, the two first fixing seats are matched with each other, and accordingly, when the two first guide rods deflect at an angle, the two first guide rods can drive the two first sealing plates to deflect at an angle, so that cylinder openings of two first sound amplifying cylinders can be opened, and simultaneously the threaded rod drives the threaded sleeve to move transversely, the threaded sleeve drives the concave connecting frame to move transversely, the concave connecting frame can drive the second guide rods to move relatively, and the two first guide rods can further transfer the angles of the two first sound amplifying cylinders to the second sound amplifying horn main body to the second sound amplifying cylinder through the two guide rods, and the two sound amplifying cylinders can be further spread at the angle of the second sound amplifying cylinders, and because the orientation of two first megaphone and second megaphone is different, and then make and report sound and carry out the fast diffusion towards different directions, reached better broadcasting effect.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of the whole structure of an emergency broadcasting device for expressways and tunnels according to the present invention;
FIG. 2 is a schematic view of the structure of a mounting plate of the emergency broadcasting device for expressways and tunnels according to the present invention;
FIG. 3 is a schematic view of a structure of a rain shield for an emergency broadcasting device for expressways and tunnels according to the present invention;
FIG. 4 is an enlarged schematic view of the emergency broadcasting device of the expressway and tunnel of the present invention shown in FIG. 3;
FIG. 5 is a schematic view of a dust-proof casing of an emergency broadcasting device for expressways and tunnels according to the present invention;
FIG. 6 is a schematic view showing a connection structure between a cross plate and a first guide bar of an emergency broadcasting device for expressways and tunnels according to the present invention;
FIG. 7 is a schematic diagram showing a connection structure between a concave connection frame and a second guide bar of an emergency broadcasting device for expressways and tunnels according to the present invention;
fig. 8 is a schematic diagram showing a sectional front view of an installation housing of an emergency broadcasting device for expressways and tunnels according to the present invention.
In the figure: 1. a mounting plate; 2. a rain shield; 3. a first sound amplifying tube; 4. a second sound amplifying cylinder; 5. a first sealing plate; 6. a first fixing seat; 7. a first guide bar; 8. a cross plate; 9. a second sealing plate; 10. the second fixing seat; 11. a second guide bar; 12. mounting a shell; 13. a fixed rod; 14. an emergency broadcast horn body; 15. a dust-proof housing; 16. a sound transmission cylinder; 17. a connecting groove; 18. a threaded rod; 19. a threaded sleeve; 20. a concave connecting frame; 21. a movable hole; 22. a rotating ring; 23. a rotating shaft; 24. a rectangular movable opening; 25. a sliding plate; 26. a first rack; 27. a second rack; 28. a gear; 29. a driving motor; 30. a first rectangular opening; 31. and a second rectangular opening.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
As shown in fig. 1 to 8
The utility model provides an emergency broadcast device in highway and tunnel, including mounting panel 1 and emergency broadcast loudspeaker main part 14, emergency broadcast loudspeaker main part 14 fixed mounting is on mounting panel 1, the horn mouth fixedly connected with dustproof shell 15 of emergency broadcast loudspeaker main part 14, dustproof shell 15 one side middle part fixedly connected with sound transmission section of thick bamboo 16, sound transmission section of thick bamboo 16 is linked together with dustproof shell 15, the first public address section of thick bamboo 3 of sound transmission section of thick bamboo 16 both sides fixedly connected with symmetry setting, mounting panel 1 one side outer wall fixedly connected with dead lever 13 of symmetry setting, two dead levers 13 one end respectively fixed connection are on two first public address section of thick bamboo 3 one side outer walls, sound transmission section of thick bamboo 16 tip position fixedly connected with second public address section of thick bamboo 4, after two first public address section of thick bamboo 3 and second public address section of thick bamboo 4 nozzle all are opened, the broadcast transmitted through the emergency broadcast horn main body 14 is transmitted to the positions of the two first sound amplifying cylinders 3 and the two second sound amplifying cylinders 4 through the dustproof shell 15 and the sound transmitting cylinder 16, the transmitted broadcast sound can be further amplified through the two first sound amplifying cylinders 3 and the two second sound amplifying cylinders 4, and the broadcast sound can be rapidly diffused in different directions due to different directions of the two first sound amplifying cylinders 3 and the two second sound amplifying cylinders 4, so that better broadcast effect is achieved, when the emergency broadcast horn main body 14 is in an idle state, the two first sealing plates 5 are reset to the positions contacting with the end cylinder openings of the two first sound amplifying cylinders 3, the second sealing plates 9 are reset to the positions contacting with the end cylinder openings of the two second sound amplifying cylinders 4, the sealing effect on the two first sound amplifying cylinders 3 and the two second sound amplifying cylinders 4 is realized, the two first sound amplifying cylinders 3 and the two second sound amplifying cylinders 4 are in a closed state, can effectively avoid dust and impurities accumulated in the two first sound amplifying cylinders 3 and the second sound amplifying cylinder 4, and can also avoid birds from building nests in the two first sound amplifying cylinders 3 and the second sound amplifying cylinder 4, so that the broadcasting device body can be normally used, the top of the mounting plate 1 is fixedly provided with the rain shield plate 2, the whole device can play a role in shielding rain, the situation that the emergency broadcasting device is corroded by rain for a long time and part rusts are avoided, the two sides of the rain shield plate 2 are symmetrically provided with the first sealing plates 5 through hinge joints, the two first sealing plates 5 are respectively contacted with the outer walls of the end cylinder openings of the two first sound amplifying cylinders 3, the middle part of one side of the rain shield plate 2 is connected with the second sealing plate 9 through hinge joints, the second sealing plate 9 is contacted with the outer walls of the end cylinder openings of the second sound amplifying cylinder 4, the outer walls of one side of the two first sealing plates 5 are fixedly connected with first fixing seats 6, the top ends of the two first fixing seats 6 are fixedly connected with first guide rods 7, the outer wall of the top of the rain shield 2 is fixedly connected with an installation shell 12, two ends of the installation shell 12 are provided with rectangular movable openings 24, the inner walls of the two rectangular movable openings 24 are slidably connected with transverse plates 8, the end positions of the two transverse plates 8 are provided with connecting grooves 17, the top ends of the two first guide rods 7 are respectively hinged to the inner sides of the two connecting grooves 17, the outer wall of one side of the second sealing plate 9 is fixedly connected with a second fixing seat 10, the outer wall of the top of the second fixing seat 10 is fixedly connected with a second guide rod 11, the top end of the second guide rod 11 is hinged with a concave connecting frame 20, one side of the installation shell 12 is provided with a movable hole 21, the inner wall of the movable hole 21 is provided with an annular groove, the inner wall of the annular groove is rotatably connected with a rotating ring 22, the inner wall of the annular groove 22 is fixedly connected with a rotating shaft 23, one end of the rotating shaft 23 extending to the outer side of the mounting shell 12 is fixedly connected with a threaded rod 18, the outer wall of one side of the concave connecting frame 20 is fixedly connected with a threaded sleeve 19, and the threaded sleeve 19 is in threaded connection with the outer wall of the threaded rod 18.
In a specific embodiment, the inner wall of the installation shell 12 is slidably connected with symmetrically arranged sliding plates 25, opposite ends of two transverse plates 8 are respectively and fixedly connected to one side outer wall of the two sliding plates 25, one side outer wall of the left sliding plate 25 is fixedly connected with a first rack 26, one side outer wall of the right sliding plate 25 is fixedly connected with a second rack 27, the outer wall of the rotating shaft 23 positioned at the inner side of the installation shell 12 is fixedly connected with a gear 28, the first rack 26 and the second rack 27 are meshed with the gear 28, the inner wall of one side of the installation shell 12 is fixedly provided with a driving motor 29, an output shaft of the driving motor 29 is connected to the end position of the rotating shaft 23 through a coupling, when emergency needs to be broadcast by using the emergency broadcast horn main body 14, the driving motor 29 is started to work, the rotating shaft 23 is driven to rotate by a movable hole 21 and a rotating ring 22 which are matched with each other, the rotation shaft 23 drives the gear 28 to rotate, the gear 28 drives the first rack 26 and the second rack 27 to move relatively, the first rack 26 and the second rack 27 drive the two sliding plates 25 to move relatively, the two sliding plates 25 drive the two transverse plates 8 to move relatively, the two transverse plates 8 drive the two first guide rods 7 to move and deflect the angles of the two first guide rods 7, the two first fixing seats 6 are matched, the two first guide rods 7 can drive the two first sealing plates 5 to deflect the angles when deflecting the angles, so that the cylinder openings of the two first amplifying cylinders 3 can be opened, the rotation shaft 23 drives the threaded rods 18 to rotate, the threaded rods 18 drive the threaded sleeves 19 to move transversely, the threaded sleeves 19 drive the concave connecting frames 20 to move transversely, the concave connecting frame 20 can drive the second guide rod 11 to move and enable the angle of the second guide rod 11 to deflect, the second fixing seat 10 is matched with the second fixing seat, the second guide rod 11 can drive the second sealing plate 9 to deflect angularly when the angle of the second guide rod deflects, the opening of the second sound amplifying cylinder 4 can be opened, the left sliding plate 25 is provided with the first rectangular opening 30, the first rectangular opening 30 is positioned on one side of the second rack 27, the right sliding plate 25 is provided with the second rectangular opening 31, and the second rectangular opening 31 is positioned on one side of the first rack 26.
The implementation principle of the emergency broadcasting device for the expressway and the tunnel in the embodiment is as follows:
during specific use, the rain shielding plate 2 is arranged, the whole device can play a role in shielding rain, the situation that parts are corroded due to the fact that an emergency broadcasting device is corroded by rainwater for a long time is avoided, when an emergency situation needs to be used for broadcasting by the emergency broadcasting horn main body 14, the driving motor 29 is started to work, the movable hole 21 and the rotating ring 22 which are matched with the driving motor 29 are arranged drive the rotating shaft 23 to rotate, the rotating shaft 23 drives the gear 28 to rotate, the gear 28 drives the first rack 26 to move relative to the second rack 27, the first rack 26 and the second rack 27 drive the two sliding plates 25 to move relative to each other, the two sliding plates 25 drive the two transverse plates 8 to move relative to each other, the two transverse plates 8 drive the two first guide rods 7 to move and enable the angles of the two first guide rods 7 to deflect, the two first fixing seats 6 which are matched with each other are arranged, the two first guide rods 7 can drive the two first sealing plates 5 to deflect at angles when the angles deflect, the two first guide rods 7 can drive the two first sealing plates 5 to deflect at the angles, the drum openings of the two first amplifying drums 3 to be opened, the rotating shaft 23 drives the first racks 26 to move relative to the second racks 27 to move relative to the second racks 18, the two sliding plates 25 drive the two sliding plates 25 to move relative to each other, the two sealing plates 11 are driven by the threaded sleeves 19 to move the threaded sleeves 19 to drive the two sealing plates 11 to deflect the two sealing plates 11 to rotate at the same angle, and the two sealing plates 11 to rotate, and the drum 11 to rotate, and the drum shafts 11 to rotate the drum shafts to and the drum 11 to rotate, broadcast that passes through emergent broadcast loudspeaker main part 14 is transmitted to two first public address barrels 3 and second public address barrel 4 departments through dust cover 15 and sound transmission barrel 16 to can further amplify the broadcast sound of passing through two first public address barrels 3 and second public address barrel 4, and because the orientation of two first public address barrels 3 and second public address barrel 4 is different, and then make the broadcast sound can carry out the fast diffusion towards different directions, better broadcasting effect has been reached, when emergent broadcast loudspeaker main part 14 is in idle state, reset two first closing plate 5 to the position that contacts with the tip nozzle of two first public address barrels 3, reset the second closing plate 9 to the position that contacts with the tip nozzle of second public address barrel 4, realize sealing effect to two first public address barrels 3 and second public address barrel 4, make two first public address barrels 3 and second public address barrel 4 all be in closed state, can effectually avoid two first public address barrels 3 to carry out fast diffusion with the inside accumulation dust of second public address barrel 4, simultaneously can also make two first public address barrels 3 and second public address barrel 4 can make normal birds and make the device normally be built with two first public address barrels 3.
Claims (10)
1. The utility model provides an emergent broadcasting device in highway and tunnel, includes mounting panel (1) and emergent broadcast loudspeaker main part (14), its characterized in that, emergent broadcast loudspeaker main part (14) fixed mounting is on mounting panel (1), the horn mouth fixedly connected with dust cover (15) of emergent broadcast loudspeaker main part (14), dust cover (15) one side middle part fixedly connected with sound transmission section of thick bamboo (16), sound transmission section of thick bamboo (16) are linked together with dust cover (15), sound transmission section of thick bamboo (16) both sides fixedly connected with symmetrical first sound amplification section of thick bamboo (3) that set up, sound transmission section of thick bamboo (16) tip position fixedly connected with second sound amplification section of thick bamboo (4), mounting panel (1) top fixed mounting has weather shield (2), weather shield (2) both sides are through hinge hinged joint have first closing plate (5) of symmetry setting, two first closing plate (5) are contacted with the tip outer wall of two first sound amplification section of thick bamboo (3) respectively, weather shield (2) one side middle part is linked together through hinge joint second closing plate (9), sealing plate (9) are contacted with the outer wall of second sound amplification section of thick bamboo (4).
2. The emergency broadcasting device for highways and tunnels according to claim 1, wherein the outer walls of one side of the two first sealing plates (5) are fixedly connected with first fixing seats (6), and the top ends of the two first fixing seats (6) are fixedly connected with first guide rods (7).
3. The emergency broadcasting device for highways and tunnels according to claim 2, wherein the outer wall of the top of the rain shield (2) is fixedly connected with a mounting housing (12), two ends of the mounting housing (12) are provided with rectangular movable openings (24), the inner walls of the two rectangular movable openings (24) are slidably connected with transverse plates (8), the end positions of the two transverse plates (8) are provided with connecting grooves (17), and the top ends of the two first guide rods (7) are respectively hinged to the inner sides of the two connecting grooves (17).
4. The emergency broadcasting device for highways and tunnels according to claim 3, wherein a second fixing seat (10) is fixedly connected to the outer wall of one side of the second sealing plate (9), a second guiding rod (11) is fixedly connected to the outer wall of the top of the second fixing seat (10), and a concave connecting frame (20) is hinged to the top end of the second guiding rod (11).
5. The emergency broadcasting device for highways and tunnels according to claim 4, wherein a movable hole (21) is formed on one side of the installation housing (12), an annular groove is formed in the inner wall of the movable hole (21), a rotating ring (22) is rotatably connected to the inner wall of the annular groove, and a rotating shaft (23) is fixedly connected to the inner wall of the rotating ring (22).
6. The emergency broadcasting device for highways and tunnels according to claim 5, wherein one end of the rotating shaft (23) extending to the outer side of the installation housing (12) is fixedly connected with a threaded rod (18), one side outer wall of the concave connecting frame (20) is fixedly connected with a threaded sleeve (19), and the threaded sleeve (19) is screwed on the outer wall of the threaded rod (18).
7. The emergency broadcasting device for highways and tunnels according to claim 6, wherein said installation housing (12) has sliding plates (25) slidably mounted on an inner wall thereof, opposite ends of said two cross plates (8) are fixedly connected to one side outer wall of said two sliding plates (25), a first rack (26) is fixedly connected to one side outer wall of said sliding plate (25), and a second rack (27) is fixedly connected to one side outer wall of said sliding plate (25).
8. The emergency broadcasting device for highways and tunnels according to claim 7, wherein the outer wall of the rotating shaft (23) located inside the installation housing (12) is fixedly connected with a gear (28), the first rack (26) and the second rack (27) are both meshed with the gear (28), a driving motor (29) is fixedly installed on the inner wall of one side of the installation housing (12), and the output shaft of the driving motor (29) is connected to the end position of the rotating shaft (23) through a coupling.
9. The emergency broadcasting device for highways and tunnels according to claim 7, wherein a first rectangular opening (30) is formed in the sliding plate (25) on the left side, the first rectangular opening (30) is located on one side of a second rack (27), a second rectangular opening (31) is formed in the sliding plate (25) on the right side, and the second rectangular opening (31) is located on one side of the first rack (26).
10. The emergency broadcasting device for highways and tunnels according to claim 1, wherein the outer wall of one side of the mounting plate (1) is fixedly connected with symmetrically arranged fixing rods (13), and one ends of the two fixing rods (13) are respectively and fixedly connected to the outer walls of one side of the two first sound amplifying cylinders (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410067842.2A CN117856949B (en) | 2024-01-17 | 2024-01-17 | Emergency broadcasting device for expressway and tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410067842.2A CN117856949B (en) | 2024-01-17 | 2024-01-17 | Emergency broadcasting device for expressway and tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117856949A true CN117856949A (en) | 2024-04-09 |
| CN117856949B CN117856949B (en) | 2024-07-12 |
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ID=90541875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410067842.2A Active CN117856949B (en) | 2024-01-17 | 2024-01-17 | Emergency broadcasting device for expressway and tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117856949B (en) |
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| CN216017063U (en) * | 2021-07-21 | 2022-03-11 | 河海大学 | Mounting structure of broadcast loudspeaker |
| CN219394849U (en) * | 2023-02-28 | 2023-07-21 | 刘少斌 | Tunnel emergency broadcasting equipment |
| CN117118551A (en) * | 2023-10-25 | 2023-11-24 | 福建省泉州高速公路有限公司 | Emergency broadcasting device for expressway and tunnel |
-
2024
- 2024-01-17 CN CN202410067842.2A patent/CN117856949B/en active Active
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|---|---|---|---|---|
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| US6072440A (en) * | 1997-05-02 | 2000-06-06 | Bowman; Francis E. | Satellite receiving dish feed horn or LNB cover |
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| CN215006952U (en) * | 2021-05-27 | 2021-12-03 | 扬州市鑫通交通器材集团有限公司 | Early warning signal lamp with loudspeaker |
| CN113365172A (en) * | 2021-06-02 | 2021-09-07 | 江苏威亿科技有限公司 | Outdoor broadcasting equipment of rain-proof water |
| CN216017063U (en) * | 2021-07-21 | 2022-03-11 | 河海大学 | Mounting structure of broadcast loudspeaker |
| CN219394849U (en) * | 2023-02-28 | 2023-07-21 | 刘少斌 | Tunnel emergency broadcasting equipment |
| CN117118551A (en) * | 2023-10-25 | 2023-11-24 | 福建省泉州高速公路有限公司 | Emergency broadcasting device for expressway and tunnel |
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| CN117856949B (en) | 2024-07-12 |
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