CN214930422U - Ship safety monitoring system based on network - Google Patents

Ship safety monitoring system based on network Download PDF

Info

Publication number
CN214930422U
CN214930422U CN202120868124.7U CN202120868124U CN214930422U CN 214930422 U CN214930422 U CN 214930422U CN 202120868124 U CN202120868124 U CN 202120868124U CN 214930422 U CN214930422 U CN 214930422U
Authority
CN
China
Prior art keywords
track
base
transmission band
camera
pivot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120868124.7U
Other languages
Chinese (zh)
Inventor
张志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yunman Cabin Technology Co ltd
Original Assignee
Jiangsu Yunman Cabin Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Yunman Cabin Technology Co ltd filed Critical Jiangsu Yunman Cabin Technology Co ltd
Priority to CN202120868124.7U priority Critical patent/CN214930422U/en
Application granted granted Critical
Publication of CN214930422U publication Critical patent/CN214930422U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Studio Devices (AREA)

Abstract

The utility model discloses a ship safety monitoring system based on network, which relates to the technical field of ship systems, and the technical proposal is characterized in that the system comprises tracks arranged around the ship, a base is arranged in the track, a camera is arranged above the base, the lower part of the camera is fixedly connected with the base through a lifting mechanism, a first driving mechanism for driving the base to slide along the track surface is arranged in the track, the effect is that the camera can rotate in all directions through arranging the track to monitor the situation around the ship, the camera slides along the track arranged around the ship, the camera can monitor the situation around the ship, the camera can be driven to lift in the vertical direction in the monitoring process, thereby adjusting the monitoring range of the camera, the situation around the ship can be comprehensively observed by using one camera, is convenient and saves resources.

Description

Ship safety monitoring system based on network
Technical Field
The utility model relates to a marine system technical field, more specifically say, it relates to a boats and ships safety monitoring system based on network.
Background
Along with the development of mobile network communication technology, the mobile intelligent terminal has gone deep into each aspect in the life, generally utilize the surveillance camera to detect boats and ships safety, transmit the content of camera collection to intelligent terminal equipment through the network and supply the people to observe, when observing, need install a lot of cameras on boats and ships, just can observe the circumstances around the boats and ships comprehensively, improve this kind of boats and ships safety detection system now for use a camera just can carry out comprehensive observation to the circumstances around the boats and ships, not only convenient but also save the resource.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide an use a camera can carry out the boats and ships safety monitoring system based on network of observing comprehensively to the condition around boats and ships.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a boats and ships safety monitoring system based on network, is including installing at boats and ships track all around, and orbital inside is equipped with the base, and the top of base is equipped with the camera, and elevating system and base fixed connection are passed through to the below of camera, and orbital inside is equipped with and drives the base along the gliding actuating mechanism of track face.
Preferably, the first driving mechanism comprises a first transmission belt and a second transmission belt, the track consists of a linear rail and an arc rail, the linear rail and the arc rail are circularly distributed to form a closed figure, the first transmission belt is arranged in the arc rail, the second transmission belt is arranged in the linear rail, opposite sides of the first transmission belt and the second transmission belt are spliced together, and a power mechanism for driving the first transmission belt and the second transmission belt to rotate is arranged in the track.
Preferably, power unit includes the tooth post, and orbital top is open structure, and the tooth post is located the both ends of first transmission band and second transmission band, and the transmission is connected between tooth post and the first transmission band and the second transmission band, and the one end that is located first transmission band and second transmission band one side tooth post extends orbital outside to with the outside one-way motor fixed connection of fixed mounting in the track outside.
Preferably, the unidirectional motor is located within an enclosed area enclosed by the track.
Preferably, one side of the base, which is close to the side wall of the inner cavity of the track, is provided with a rotating shaft A, the rotating shaft A is parallel to the upper belt surface of the second conveying belt, the inner cavity of the track is provided with a slide way for the rotating shaft A to slide, and the rotating shaft A is positioned in the slide way arranged on the track.
Preferably, elevating system includes that two sets of criss-cross pivots are constituteed, two sets of pivots are located the front and back both sides at base top respectively, rotate through the articulated shaft between the crossing department of two sets of pivots and connect, the top of two sets of pivots is passed through the balance plate and is connected, the camera is located the top of balance plate, two sets of pivots are placed in parallel to each other, the top and the bottom of pivot slide along the bottom of balance plate and the top of base respectively, the below of balance plate is equipped with the second actuating mechanism that the drive articulated shaft goes up and down in the vertical direction.
Preferably, the top and the bottom of pivot one side all fixed mounting have the B pivot, and the gliding spout in confession pivot bottom and top is all seted up to the top of base and the bottom of balance plate, and the direction of seting up of the gliding spout of B pivot perpendicular to, and the inside of the gliding spout of B pivot along.
Preferably, the second driving mechanism comprises a screw rod, a threaded hole is formed in the middle of the hinged shaft, the surface of the threaded hole is perpendicular to the surface of the balance plate, the screw rod is assembled inside the threaded hole, the screw rod is located between two crossed rotating shafts, a first bevel gear is fixedly installed on the periphery of the screw rod and located between the hinged shaft and the balance plate, one side of the first bevel gear is provided with a second bevel gear, the tooth surface of the second bevel gear is perpendicular to the tooth surface of the first bevel gear, the number of the second bevel gears is two, connecting shafts are fixedly connected to the centers of one opposite sides of the two second bevel gears, and a power source for driving the two connecting shafts to rotate is arranged above the base.
Preferably, the power source is a two-way motor, a supporting plate is fixedly mounted at the top of the base, the two-way motor is fixedly mounted at the top of the supporting plate and located between the two connecting shafts, and output shafts at two ends of the two-way motor are fixedly connected with one ends, far away from the second bevel gear, of the two connecting shafts respectively.
Preferably, the fixed frame of top fixed mounting of base, the bottom fixed mounting of balancing plate has the movable frame, and the movable frame is located the inside of fixed frame, and the movable frame slides along the lateral wall of fixed frame inner chamber, and one side that movable frame and fixed frame are open structure, and the pivot is located the inside of movable frame.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. through setting up the track, camera self can carry out the all around rotation, monitors the condition around the boats and ships, here with the camera along installing track slip all around the boats and ships, then the camera can monitor the condition all around the boats and ships, at the in-process of control, still can drive the camera and go up and down in the vertical direction to adjust the scope of camera control, here use a camera just can carry out comprehensive observation to the condition around the boats and ships, not only convenient but also save the resource.
2. Through setting up fixed frame and movable frame, pivot and two-way motor all are located the inside of fixed frame and movable frame, and fixed frame and movable frame play the effect of protection to its inside device, and marine climate is abominable, avoids the sea water to cause the corruption to the inside device of fixed frame and movable frame to extension device's life.
3. Through setting up the A pivot, the A pivot is located the slide of seting up on the track, and the A pivot plays the effect of injecing to the base for when the base drives the camera and slides along orbital inside, the A pivot slides along the slide of seting up inside the track, and it is big to be offshore wind, and such setting makes the base remain stable at the in-process that removes.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a top view of a track structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a tooth column according to an embodiment of the present invention;
fig. 4 is a schematic view of a rotating shaft structure according to an embodiment of the present invention;
fig. 5 is a top view of the base structure according to the embodiment of the present invention;
fig. 6 is an enlarged schematic view of a structure at a position in fig. 5 according to an embodiment of the present invention.
1. A track; 2. a base; 3. a balance plate; 4. a camera; 5. a unidirectional motor; 6. a first conveyor belt; 7. a second conveyor belt; 8. a tooth post; 9. a rotating shaft; 10. a first bevel gear; 11. hinging a shaft; 12. a second bevel gear; 13. a fixing frame; 14. a movable frame; 15. a screw; 16. a connecting shaft; 17. a support plate; 18. a bi-directional motor; 19. and (4) sliding the opening.
Detailed Description
The embodiments of the ship safety monitoring system based on network according to the present invention will be further described with reference to fig. 1 to 6.
The utility model provides a boats and ships safety monitoring system based on network, sees figure 1 and 2, including installing at boats and ships track 1 all around, track 1's inside is equipped with base 2, and base 2's top is equipped with camera 4, and elevating system and base 2 fixed connection are passed through to camera 4's below, and track 1's inside is equipped with and drives base 2 along the gliding actuating mechanism in track 1 face. General camera 4 all can carry out the omnidirectional rotation, places camera 4 on track 1 here, and camera 4 can slide along track 1, and then camera 4 can monitor boats and ships condition all around, and in the in-process of control, still can utilize elevating system drive camera 4 to go up and down to adjust the scope of camera 4 control, here uses camera 4 just can carry out comprehensive observation to boats and ships condition all around, not only convenient but also saves the resource.
Referring to fig. 2 and 3, the first driving mechanism comprises a first transmission belt 6 and a second transmission belt 7, the track 1 is composed of a linear rail and an arc rail, the linear rail and the arc rail are circularly distributed to form a closed figure, the first transmission belt 6 is arranged in the arc rail, the second transmission belt 7 is arranged in the linear rail, one sides of the first transmission belt 6 opposite to one side of the second transmission belt 7 are spliced together, and a power mechanism for driving the first transmission belt 6 and the second transmission belt 7 to rotate is arranged in the track 1. Utilize power unit drive first transmission band 6 and second transmission band 7 to rotate, camera 4 is located the top of first transmission band 6 and second transmission band 7, and first transmission band 6 and second transmission band 7 rotate and drive camera 4 and slide along orbital inside, and one side concatenation that first transmission band 6 and second transmission band 7 are relative is in the same place for camera 4 moves smoothly along with first transmission band 6 and second transmission band 7 rotate at the in-process that removes.
Referring to fig. 2, the power mechanism includes a tooth post 8, the top of the track 1 is an open structure, the tooth post 8 is located at two ends of the first transmission belt 6 and the second transmission belt 7, the tooth post 8 is in transmission connection with the first transmission belt 6 and the second transmission belt 7, and one end of the tooth post 8 located at one side of the first transmission belt 6 and one end of the second transmission belt 7 extend out of the track 1 and are fixedly connected with a one-way motor 5 fixedly installed outside the track 1. When the one-way motor 5 is started, the toothed column 8 rotates, and the toothed column 8 rotates to drive the first conveying belt 6 and the second conveying belt 7 to rotate due to the transmission connection between the toothed column 8 and the first conveying belt 6 and the second conveying belt 7.
Referring to fig. 2 and 3, the one-way motor 5 is located within the enclosed area enclosed by the track 1. The enclosed area inside the track 1 plays a certain role in protecting the unidirectional motor 5.
See fig. 2, the base 2 is provided with a rotating shaft a on one side close to the side wall of the inner cavity of the track 1, the rotating shaft a is parallel to the upper belt surface of the second conveyor belt 7, a sliding way for the rotating shaft a to slide is provided in the inner cavity of the track 1, and the rotating shaft a is located in the sliding way provided on the track 1. The A rotating shaft plays a limiting role in the base 2, when the base 2 drives the camera 4 to slide along the inside of the track 1, the A rotating shaft slides along a slide way arranged in the track 1, the sea wind is high, and the base 2 is kept stable in the moving process due to the arrangement.
See fig. 4 and 5, elevating system includes that two sets of criss-cross pivots 9 constitute, two sets of pivots 9 are located the front and back both sides at 2 tops of base respectively, rotate through articulated shaft 11 between the crossing department of two sets of pivots 9 and connect, the top of two sets of pivots 9 is passed through balance plate 3 and is connected, camera 4 is located the top of balance plate 3, two sets of pivots 9 are parallel to each other and are placed, the top and the bottom of pivot 9 slide along the bottom of balance plate 3 and the top of base 2 respectively, the below of balance plate 3 is equipped with the second actuating mechanism that drive articulated shaft 11 goes up and falls in vertical direction. Utilize second actuating mechanism drive articulated shaft 11 to go up and down, when articulated shaft 11 moved the minimum, balance plate 3 and camera 4 this moment are located minimum height, when articulated shaft 11 moved the peak, balance plate 3 and camera 4 this moment are located the biggest height, move a bit upwards along with articulated shaft 11, balance plate 3's height is slowly increasing, camera 4's four corners is equipped with the bolt hole, the bolt passes the bolt hole and installs camera 4 on balance plate 3, if camera 4 takes place to damage, be convenient for dismantle and maintain camera 4.
See fig. 4 and 5, the top and the bottom of one side of the rotating shaft 9 are both fixedly provided with a rotating shaft B, the top of the base 2 and the bottom of the balance plate 3 are both provided with a sliding opening 19 for the sliding of the bottom and the top of the rotating shaft 9, the rotating shaft B is perpendicular to the opening direction of the sliding opening 19, and the rotating shaft B slides along the inside of the sliding opening 19. The caliber of the sliding opening 19 is just for the bottom and the top of the rotating shaft 9 to pass through, and the rotating shaft B is positioned inside the sliding opening 19, so that the rotating shaft 9 is ensured to be stable along the base 2 and the balance plate 3 in the sliding process and cannot be separated from the base 2 and the balance plate 3.
Referring to fig. 4 and 6, the second driving mechanism includes a screw 15, a threaded hole is formed in the middle of the hinge shaft 11, the threaded hole is perpendicular to the surface of the balance plate 3, the screw 15 is assembled inside the threaded hole, the screw 15 is located between the two crossed rotating shafts 9, a first bevel gear 10 is fixedly installed on the periphery of the screw 15, the first bevel gear 10 is located between the hinge shaft 11 and the balance plate 3, a second bevel gear 12 is arranged on one side of the first bevel gear 10, the tooth surface of the second bevel gear 12 is perpendicular to the tooth surface of the first bevel gear 10, the number of the second bevel gears 12 is two, connecting shafts 16 are fixedly connected to the centers of the two opposite sides of the second bevel gears 12, and a power source for driving the two connecting shafts 16 to rotate is arranged above the base 2. The power source drives the two connecting shafts 16 to rotate, the two second bevel gears 12 and the first bevel gear 10 rotate at the same time, the first bevel gear 10 rotates to drive the screw rod 15 to rotate, and the hinged shaft 11 is in threaded connection with the screw rod 15, and the two ends of the hinged shaft 11 are limited, so that the screw rod 15 rotates to drive the hinged shaft 11 to lift.
Referring to fig. 5, the power source is a bidirectional motor 18, a supporting plate 17 is fixedly mounted on the top of the base 2, the bidirectional motor 18 is fixedly mounted on the top of the supporting plate 17, the bidirectional motor 18 is located between the two connecting shafts 16, and output shafts at two ends of the bidirectional motor 18 are respectively and fixedly connected with one ends of the two connecting shafts 16 far away from the second bevel gear 12. When the bi-directional motor 18 is started, the bi-directional motor 18 rotates to drive the connecting shafts 16 at both ends of the bi-directional motor 18 to rotate simultaneously.
Referring to fig. 4 and 5, a fixed frame 13 is fixedly mounted at the top of the base 2, a movable frame 14 is fixedly mounted at the bottom of the balance plate 3, the movable frame 14 is located inside the fixed frame 13, the movable frame 14 slides along the side wall of the inner cavity of the fixed frame 13, one side of the movable frame 14 opposite to the fixed frame 13 is of an open structure, and the rotating shaft 9 is located inside the movable frame 14. The pivot 9 is located the inside of movable frame 14, and movable frame 14 and fixed frame 13 play the effect of protection to all devices that are located it inside, and balance plate 3 is at the in-process that goes up and down, and movable frame 14 slides along the lateral wall of fixed frame 13 inner chamber for balance plate 3 remains stable at the in-process that goes up and down.
The working principle is as follows: the camera 4 is arranged on the balance plate 3, the camera 4 is utilized to monitor the conditions around the ship, the camera 4 can rotate in all directions, the one-way motor 5 is started, the first transmission belt 6 and the second transmission belt 7 can drive the balance plate 3 to move along the inside of the track 1, the camera 4 can monitor the conditions around the ship, in the monitoring process, the two-way motor 18 is started, the two-way motor 18 drives the connecting shaft 16 to rotate, the two second bevel gears 12 rotate at the moment, the first bevel gear 10 rotates due to the engagement of the second bevel gears 12 and the first bevel gear 10, the first bevel gear 10 rotates to drive the screw 15 to rotate, the hinged shaft 11 is in threaded connection with the screw 15, the two ends of the hinged shaft 11 are limited, the screw 15 rotates to drive the hinged shaft 11 to lift, the camera 4 lifts at the moment, and the monitoring range of the camera 4 is adjusted, here, the situation around the ship can be comprehensively observed by using one camera 4.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A ship safety monitoring system based on a network is characterized in that: including installing track (1) around boats and ships, the inside of track (1) is equipped with base (2), and the top of base (2) is equipped with camera (4), and elevating system and base (2) fixed connection are passed through to the below of camera (4), and the inside of track (1) is equipped with drives base (2) along the gliding actuating mechanism of track (1) face.
2. A network-based ship security monitoring system as claimed in claim 1, wherein: first actuating mechanism includes first transmission band (6) and second transmission band (7), track (1) comprises sharp type rail and arc rail, sharp type rail and arc rail circulation distribute enclose into a confined figure, first transmission band (6) are in the arc rail, second transmission band (7) are in sharp type rail, and first transmission band (6) and the relative one side concatenation of second transmission band (7) are in the same place, the inside of track (1) is equipped with the first transmission band of drive (6) and the pivoted power unit of second transmission band (7).
3. A network-based ship security monitoring system as claimed in claim 2, wherein: power unit includes tooth post (8), the top of track (1) is open structure, tooth post (8) are located the both ends of first transmission band (6) and second transmission band (7), transmission between tooth post (8) and first transmission band (6) and second transmission band (7) is connected, the outside that track (1) was extended to the one end that is located one side tooth post (8) of first transmission band (6) and second transmission band (7) to with one-way motor (5) fixed connection of fixed mounting in track (1) outside.
4. A network-based ship security monitoring system as claimed in claim 3, wherein: the one-way motor (5) is positioned in a closed area enclosed by the track (1).
5. A network-based ship security monitoring system as claimed in claim 1, wherein: one side of the base (2) close to the side wall of the inner cavity of the track (1) is provided with a rotating shaft A, the rotating shaft A is parallel to the upper belt surface of the second conveying belt (7), the inner cavity of the track (1) is provided with a slide for sliding the rotating shaft A, and the rotating shaft A is located in the slide arranged on the track (1).
6. A network-based ship security monitoring system as claimed in claim 1, wherein: elevating system includes crossing pivot (9) of two sets of crosses and constitutes, both sides around base (2) top are located respectively in two sets of pivot (9), rotate through articulated shaft (11) between the crossing department of two sets of pivot (9) and connect, the top of two sets of pivot (9) is passed through balance plate (3) and is connected, camera (4) are located the top of balance plate (3), two sets of pivot (9) are parallel to each other and are placed, the top and the bottom of pivot (9) slide along the bottom of balance plate (3) and the top of base (2) respectively, the below of balance plate (3) is equipped with the second actuating mechanism that drive articulated shaft (11) rose and fell in vertical direction.
7. A network-based ship security monitoring system as claimed in claim 6, wherein: the top and the bottom of pivot (9) one side all fixed mounting have the B pivot, and the gliding mouth (19) in confession pivot (9) bottom and top are all seted up to the top of base (2) and the bottom of balance plate (3), and the direction of seting up of the smooth mouth of B pivot perpendicular to (19), and the inside of the smooth mouth of B pivot along (19) slides.
8. A network-based ship security monitoring system as claimed in claim 6, wherein: the second driving mechanism comprises a screw rod (15), a threaded hole is formed in the middle of the hinged shaft (11), the threaded hole is perpendicular to the surface of the balance plate (3), the screw rod (15) is assembled inside the threaded hole, the screw rod (15) is located between two crossed rotating shafts (9), first bevel gears (10) are fixedly installed on the periphery of the screw rod (15), the first bevel gears (10) are located between the hinged shaft (11) and the balance plate (3), second bevel gears (12) are arranged on one sides of the first bevel gears (10), tooth surfaces of the second bevel gears (12) are perpendicular to tooth surfaces of the first bevel gears (10), the number of the second bevel gears (12) is two, connecting shafts (16) are fixedly connected to centers of two opposite sides of the second bevel gears (12), and a power source for driving the two connecting shafts (16) to rotate is arranged above the base (2).
9. A network-based ship security monitoring system as claimed in claim 8, wherein: the power source is two-way motor (18), and the top fixed mounting of base (2) has backup pad (17), and two-way motor (18) fixed mounting is at the top of backup pad (17), and two-way motor (18) are located between two connecting axles (16), and the output shaft at two ends of two-way motor (18) is kept away from the one end fixed connection of second bevel gear (12) with two connecting axles (16) respectively.
10. A network-based ship security monitoring system as claimed in claim 8, wherein: fixed frame (13) are fixed to the top of base (2), and the bottom fixed mounting of balance plate (3) has movable frame (14), and movable frame (14) are located the inside of fixed frame (13), and movable frame (14) slide along the lateral wall of fixed frame (13) inner chamber, and one side that movable frame (14) and fixed frame (13) are relative is open structure, and pivot (9) are located the inside of movable frame (14).
CN202120868124.7U 2021-04-26 2021-04-26 Ship safety monitoring system based on network Active CN214930422U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120868124.7U CN214930422U (en) 2021-04-26 2021-04-26 Ship safety monitoring system based on network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120868124.7U CN214930422U (en) 2021-04-26 2021-04-26 Ship safety monitoring system based on network

Publications (1)

Publication Number Publication Date
CN214930422U true CN214930422U (en) 2021-11-30

Family

ID=79067345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120868124.7U Active CN214930422U (en) 2021-04-26 2021-04-26 Ship safety monitoring system based on network

Country Status (1)

Country Link
CN (1) CN214930422U (en)

Similar Documents

Publication Publication Date Title
CN213712384U (en) Electric power intelligent monitoring device with alarm structure
CN209441558U (en) A kind of small-size multifunction marine environmental monitoring buoy platform
CN205755892U (en) Multifunctional stereo growing and cultivation frame
CN113022805B (en) Assembled surface of water photovoltaic power generation floats mounting system
CN210783557U (en) National network virtual power plant resource planning simulation equipment
CN213367699U (en) Foldable photovoltaic power generation device with stable structure
CN112762289A (en) Monitoring device for thing networking with angle modulation function
CN208345671U (en) A kind of drilling device for heating plant installation
CN216668916U (en) Water level monitoring device for hydraulic engineering management
CN117228529B (en) Hoisting device for maintenance equipment platform of offshore wind turbine
CN214930422U (en) Ship safety monitoring system based on network
CN111622908A (en) Inside maintenance device of wind power tower cylinder
CA2975592A1 (en) Non-beam pumping unit driven by a motor reduction unit
CN201638928U (en) Portable antenna drive mechanism
CN209535400U (en) A kind of boarding ladder structure of double gyration device
CN214037516U (en) Intelligent video monitoring device
CN116088067A (en) Meteorological monitoring device for electric power operation and maintenance site
CN115092328A (en) Intelligent oscillation stopping device for offshore operation
CN212106148U (en) Inside maintenance device of wind power tower cylinder
CN210621937U (en) Movable modularized emergency rescue on-duty guarantee equipment
CN208812045U (en) A kind of metal plate qin formula station
CN216647501U (en) Forest fire prevention bayonet monitoring alarm device
CN217477505U (en) Automatic cable throwing structure
CN221198676U (en) Machine room fire protection detection device
CN213513706U (en) Searchlight support for boats and ships

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant