CN219243125U - High altitude monitoring mounting frame - Google Patents

High altitude monitoring mounting frame Download PDF

Info

Publication number
CN219243125U
CN219243125U CN202320587607.9U CN202320587607U CN219243125U CN 219243125 U CN219243125 U CN 219243125U CN 202320587607 U CN202320587607 U CN 202320587607U CN 219243125 U CN219243125 U CN 219243125U
Authority
CN
China
Prior art keywords
plate
sliding
piece
lifting
column
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
CN202320587607.9U
Other languages
Chinese (zh)
Inventor
曲祖杰
崔璟琳
曹雪颖
李琪
邹卓恒
赵宪清
孙浩博
尹德春
于英杰
赵敏
慕镇江
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.)
Yantai Port Co ltd United General Wharf Branch
Yantai Port Operation Guarantee Co ltd
Original Assignee
Yantai Port Co ltd United General Wharf Branch
Yantai Port Operation Guarantee 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 Yantai Port Co ltd United General Wharf Branch, Yantai Port Operation Guarantee Co ltd filed Critical Yantai Port Co ltd United General Wharf Branch
Priority to CN202320587607.9U priority Critical patent/CN219243125U/en
Application granted granted Critical
Publication of CN219243125U publication Critical patent/CN219243125U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Clamps And Clips (AREA)

Abstract

The utility model discloses a high-altitude monitoring mounting rack which comprises a mounting column, wherein the mounting column is arranged in a hollow mode, a fixing piece is arranged at the bottom of the mounting column, a replacement opening is formed in the lower end portion of the mounting column, a lifting piece is arranged in the mounting column, the lifting piece comprises two threaded rods, a lifting plate and a sliding plate, the two threaded rods penetrate through the lifting plate and are in threaded connection with the lifting plate, the threaded directions of the two threaded rods are consistent, the lifting plate is provided with a groove matched with the sliding plate, the upper end face of the sliding plate is provided with a clamping piece, and the mounting column is in sliding connection with a shielding piece. This application has the effect of being convenient for install high altitude control at open field.

Description

High altitude monitoring mounting frame
Technical Field
The utility model relates to the technical field of monitoring equipment, in particular to a high-altitude monitoring installation frame.
Background
The harbour is used as a collection and distribution place for sea transportation, the traffic flow and the passenger flow are large, a plurality of high-altitude monitoring is generally arranged in the harbour for guaranteeing the transportation of goods and the travel of passengers, workers can conveniently monitor the personnel flowing condition in the harbour at any time, and meanwhile, the harbour is convenient for scheduling vehicles, ships and the like, and road congestion or traffic accidents are avoided.
The high altitude monitoring generally depends on the building setting, is connected with the wall body or the roof of building with the surveillance camera head, realizes the fixed of control, and under the general circumstances, the partial high altitude control of harbour is connected with the building around, but because there is a plurality of open fields to be used for the collection and distribution of goods or vehicle in the harbour, depends on the monitoring coverage of building probably to be lost, consequently sometimes need set up high altitude control near the place middle part, open field is difficult for providing the erection bracing point for the control, has increased the installation degree of difficulty of control simultaneously.
Disclosure of Invention
In order to be convenient for install high altitude control at open field, this application provides a high altitude control mounting bracket.
The application provides a high altitude monitoring mounting bracket adopts following technical scheme:
the utility model provides a high altitude monitoring mounting bracket, includes the erection column, the erection column cavity sets up, and the erection column bottom is equipped with the mounting, and the change mouth has been seted up to the tip under the erection column, and the erection column is inside to be equipped with the lifter, and the lifter includes two threaded rods, lifter and sliding plate, and two threaded rods all wear to establish the lifter and with lifter threaded connection, and the screw thread direction of two threaded rods is unanimous, and the recess with the sliding plate looks adaptation has been seted up to the lifter, and the sliding plate up end is provided with the clamping piece, and erection column sliding connection has the shielding piece, and the erection column bottom is equipped with the driving piece of drive lifter.
Through adopting above-mentioned technical scheme, the staff takes out the sliding plate through changing the mouth, places the control in the sliding plate top, and drive clamping piece is tight with the control, accomplishes the fixed connection between control and the lifting piece, and two threaded rods syntropy rotate, and drive lifting piece is along threaded rod length upward movement, carries the lifting piece to the erection column top, and shielding piece provides the shielding for the control simultaneously, reduces the damage of control, and the setting of erection column is comparatively simple and convenient, and the mounted position of control can be appointed according to actual conditions for the installation of high altitude control is more nimble.
Optionally, the clamping piece includes a plurality of latch segment, a plurality of slide bar, fluted disc and drive gear, and a plurality of spouts with slide bar looks adaptation are seted up to the slide bar, and the slide bar is arranged in the spout, latch segment and slide bar one-to-one, slide bar and latch segment fixed connection, and a plurality of arc wall have been seted up to the fluted disc, and the arc wall setting is worn to establish to the slide bar between arc wall both ends and the fluted disc centre of a circle, and the latch segment is located the fluted disc top, and drive gear meshes with fluted disc outward flange, and drive gear is equipped with the retaining piece.
Through adopting above-mentioned technical scheme, the fluted disc takes place to rotate and makes the slide bar be arranged in the arc wall and slides, and the latch segment moves along with the slide bar, and the arc wall is spacing to the slide bar, promotes the slide bar to remove along spout length direction, realizes being close to each other between the latch segment and keeping away from each other.
Optionally, the retaining member includes worm wheel and worm, is equipped with the connecting rod between worm wheel and the drive gear, and worm wheel and worm meshing are equipped with two backup pads on the sliding plate, and the both ends of worm are connected with two backup pads rotation respectively.
Through adopting above-mentioned technical scheme, the worm drives the worm wheel and rotates, and then drives drive gear and take place to rotate, adjusts the latch segment and makes the latch segment press from both sides tight control, and the worm stops rotating, utilizes the self-locking function of worm wheel and worm to lock drive gear.
Optionally, shelter from piece includes a plurality of stands, ring and apron, stand both ends respectively with ring and apron fixed connection, the stand sets up around ring circumference equiangular degree, ring and stand are arranged in the erection column, lifter plate fixedly connected with two butt boards, the erection column seted up with butt joint groove of butt board looks adaptation.
Through adopting above-mentioned technical scheme, when lifting member upwards moved, the butt board upwards moved along with the lifting plate, and the butt board is inconsistent with the lower terminal surface of ring, drives shielding member upwards moved, makes shielding member rise to the control and shelters from.
Optionally, the limiting strip is fixedly connected with the sliding plate, and the limiting groove matched with the limiting strip is formed in the lifting plate.
Through adopting above-mentioned technical scheme, spacing is located the spacing groove and slides, and the spacing groove is spacing to spacing, is favorable to guaranteeing the connection stability between lifter plate and the sliding plate.
Optionally, the mounting includes a plurality of right angle plates and a plurality of expansion bolts, and the one end and the erection column fixed connection of right angle plate, expansion bolts are connected with the other end of right angle plate.
Through adopting above-mentioned technical scheme, expansion bolts are connected right angle board and ground, accomplish the connection of mounting and ground, and then make the erection column be connected with ground, accomplish the fixed of erection column.
Optionally, the right angle plate is fixedly connected with a reinforcing plate, and both ends of the reinforcing plate are fixedly connected with the right angle plate.
Through adopting above-mentioned technical scheme, the reinforcing plate is favorable to improving the intensity of right-angle plate, and then is favorable to improving the connection stability of erection column and ground.
Optionally, the erection column top is equipped with the sealing washer, and the sealing washer is with the sliding plate butt.
Through adopting above-mentioned technical scheme, the sealing washer is located between sliding plate and the erection column, reduces the possibility that the rainwater got into the erection column.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the lifting piece, the installation and replacement of the monitoring can be completed at a low position, so that the overhead operation is reduced, the installation difficulty of the overhead monitoring is reduced, and the overhead monitoring is conveniently arranged in an open field;
2. by arranging the clamping piece, the locking pieces move along the radial direction of the fluted disc to clamp the monitoring circumference at the same time, so that the continuous stability of the monitoring and lifting piece is improved;
3. through setting up the shielding piece for when the lifter upwards moved, the shielding piece goes up and down along with the lifter, shelters from the control.
Drawings
Fig. 1 is a schematic view of the overall structure of a high-altitude monitoring mounting frame.
Fig. 2 is an exploded schematic view of the interior of the mounting post.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
Reference numerals illustrate: 1. a mounting column; 11. a seal ring; 2. a fixing member; 21. a right angle plate; 22. an expansion bolt; 23. a reinforcing plate; 3. a lifting member; 31. a threaded rod; 32. a lifting plate; 33. a sliding plate; 331. a limit bar; 332. a limit groove; 4. a clamping member; 41. a locking block; 42. a slide bar; 43. fluted disc; 44. a drive gear; 45. an arc-shaped groove; 46. a chute; 5. a shield; 51. a column; 52. a circular ring; 53. a cover plate; 54. an abutting plate; 6. a locking member; 61. a worm wheel; 62. a worm; 63. a connecting rod; 64. and a support plate.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses high altitude monitoring mounting bracket.
Examples
Referring to fig. 1, a high altitude monitoring mounting bracket comprises a mounting column 1, wherein the mounting column 1 is hollow, a fixing piece 2 is arranged at the bottom of the mounting column, the fixing piece 2 comprises a plurality of right-angle plates 21 and a plurality of expansion bolts 22, one end of each right-angle plate 21 is fixedly connected with the mounting column 1, each expansion bolt 22 is connected with the other end of each right-angle plate 21, after a worker moves the mounting column 1 to a mounting position, each expansion bolt 22 penetrates through each right-angle plate 21 to be driven into a preset hole in the ground, the other end of each right-angle plate 21 is fixed with the ground, and the fixing of the mounting column 1 is completed.
Referring to fig. 1 and fig. 1, the right angle plate 21 is fixedly connected with the reinforcing plate 23, both ends of the reinforcing plate 23 are fixedly connected with the right angle plate 21, the reinforcing plate 23 is beneficial to improving the strength of the right angle plate 21, and further is beneficial to improving the connection stability between the right angle plate 21 and the mounting column 1, and meanwhile is beneficial to prolonging the service life of the mounting column 1.
Referring to fig. 1 and 2, a replacement opening is formed in the lower end portion of the mounting column 1, a baffle is arranged at the replacement opening, the baffle is slidably connected with the mounting column 1, a lifting piece 3 is arranged inside the mounting column 1, and a worker monitors the lifting piece 3 through the replacement opening to install and replace. The lifting member 3 comprises two threaded rods 31, a lifting plate 32 and a sliding plate 33, wherein the lifting plate 32 is penetrated by the two threaded rods 31 and is in threaded connection with the lifting plate 32, and the thread directions of the two threaded rods 31 are consistent. The bottom of the mounting column 1 is provided with a driving piece for driving the lifting piece 3, the driving piece drives the lifting piece 3 to move in the vertical direction, when a worker needs to install or replace monitoring, the driving piece can be started to enable the lifting piece 3 to move downwards, and the overhead work of the worker is reduced.
Referring to fig. 1 and 2, the driving member includes a driving motor, a first gear and two second gears, the driving motor is fixedly connected with the mounting post 1, an output shaft of the driving motor is fixedly connected with the first gear, the two second gears are respectively fixedly connected with the two threaded rods 31 and are engaged with the first gears, and when the driving motor drives the first gears to rotate, the two second gears drive the two threaded rods 31 to rotate.
Referring to fig. 1 and 2, the lifting plate 32 is provided with a groove adapted to the sliding plate 33, the upper end surface of the sliding plate 33 is provided with a clamping member 4, and a worker fixes the monitoring and the sliding plate 33 through the clamping member 4, so that the monitoring cannot randomly move in the lifting process of the lifting member 3. Limiting grooves 332 matched with the limiting bars 331 are formed in the lifting plates 32, the limiting grooves 332 limit the limiting bars 331 vertically, the sliding plates 33 are not easy to separate from the lifting plates 32, and the sliding plates 33 and the lifting plates can only slide horizontally.
Referring to fig. 1 and 2, the clamping member 4 includes a plurality of locking blocks 41, a plurality of sliding bars 42, a fluted disc 43 and a driving gear 44, the fluted disc 43 is provided with a plurality of arc grooves 45, the distances between two ends of the arc grooves 45 and the circle center of the fluted disc 43 are different, the sliding bars 42 penetrate through the arc grooves 45, the sliding bars 42 can slide in the arc grooves 45, the sliding plates 33 are provided with a plurality of sliding grooves 46 matched with the sliding bars 42, and the sliding bars 42 are positioned in the sliding grooves 46. When the fluted disc 43 rotates, the sliding groove 46 limits the sliding rod 42, so that the sliding rod 42 can only move along the length direction of the sliding groove 46, meanwhile, the arc groove 45 limits the sliding rod 42, the sliding rod 42 slides in the arc groove 45, and finally, the sliding rod 42 moves along the length direction of the sliding groove 46, and the sliding rod 42 is far away from or near the center of the fluted disc 43.
Referring to fig. 2 and 3, the locking block 41 is located above the fluted disc 43, the locking block 41 and the sliding rod 42 are in one-to-one correspondence, the sliding rod 42 is fixedly connected with the locking block 41, when the sliding rod 42 moves, the locking block 41 is driven to be far away from or close to each other, the driving gear 44 is rotationally connected with the sliding plate 33, the driving gear 44 is meshed with the outer edge of the fluted disc 43, the driving gear 44 is provided with the locking piece 6, the locking piece 6 can drive the driving gear 44 to rotate, and further the fluted disc 43 is driven to rotate, so that the locking block 41 is enabled to be close to or far away from each other.
Referring to fig. 2 and 3, when the monitoring needs to be installed, the worker rotates the driving gear 44 so that the locking blocks 41 are away from each other, installs the monitoring on the toothed disc 43, and reversely rotates the driving gear 44 so that the locking blocks 41 lock the monitoring, thereby completing the fixed installation of the monitoring. The plurality of locking blocks 41 are used for fixing the monitoring circumference at the same time, so that the connection stability between the monitoring and the lifting piece 3 is improved, and the clamping effect of the clamping piece 4 on the monitoring is better. Through holes are formed in the centers of the fluted disc 43, the sliding plate 33 and the lifting plate 32, so that workers can conveniently place electric wires and the like.
Referring to fig. 2 and 3, the locking member 6 includes a worm wheel 61 and a worm 62, a connecting rod 63 is disposed between the worm wheel 61 and the driving gear 44, the worm wheel 61 is meshed with the worm 62, two support plates 64 are disposed on the sliding plate 33, two ends of the worm 62 are respectively rotationally linked with the two support plates 64, a worker rotates the worm 62 to drive the worm wheel 61 to rotate, and then drives the driving gear 44 to rotate through the connecting rod 63, driving of the fluted disc 43 is completed, after the monitored fixed installation is completed, the rotation of the worm 62 is stopped, the driving gear 44 is locked by utilizing a self-locking function between the worm wheel 61 and the worm 62, locking effect of the locking member 41 on the monitoring is ensured, and connection stability between the monitoring and the lifting member 3 is improved.
Referring to fig. 2 and 3, the shielding member 5 includes a plurality of columns 51, a ring 52 and a cover plate 53, the ring 52 and the columns 51 are located in the mounting column 1, the lifting plate 32 is fixedly connected with two abutting plates 54, the mounting column 1 is provided with an abutting groove matched with the abutting plates 54, when the lifting member 3 moves along the height direction of the mounting column 1, the abutting plates 54 slide in the abutting grooves, two ends of the columns 51 are respectively fixedly connected with the ring 52 and the cover plate 53, and when the abutting plates 54 move upwards to collide with the lower end face of the ring 52, the monitoring is located below the cover plate 53 and does not collide with the cover plate 53.
Referring to fig. 2 and 3, when the lifter 3 continues to move upwards, the abutting plate 54 pushes the ring 52 to move upwards together, the upright posts 51 are arranged around the ring 52 at equal angles in the circumferential direction, and the ring 52 drives the upright posts 51 and the cover plate 53 to move upwards together, so that the shielding piece 5 moves upwards integrally, and when the monitoring moves to the position above the mounting post 1, the shielding piece 5 is also positioned above the monitoring, shielding is provided for the monitoring, and the service life of the monitoring is prolonged. The sealing ring 11 is arranged at the top of the mounting column 1, the sealing ring 11 is abutted against the sliding plate 33, and the sealing ring 11 is positioned between the sliding plate 33 and the mounting column 1, so that the possibility that rainwater enters the mounting column 1 is reduced.
The implementation principle of the high-altitude monitoring installation frame provided by the embodiment of the application is as follows: the mounting column 1 is fixed with the ground by the mounting piece 2, the lifting piece 3 drives the monitoring to carry out displacement in the vertical direction, so that workers do not need to carry out high-altitude operation, the installation and replacement of the monitoring are simpler, the worm 62 drives the worm wheel 61 to rotate, the driving gear 44 further drives the fluted disc 43 to rotate, the arc groove 45 limits the sliding rod 42, the locking blocks 41 are mutually close to and mutually far away from each other, the installation and replacement of the monitoring are completed, and the high-altitude monitoring and installation difficulty of the open field is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. High altitude monitoring mounting bracket, including erection column (1), its characterized in that: the installation column (1) is arranged in a hollow way, the bottom of the installation column (1) is provided with a fixing piece (2), the lower end part of the installation column (1) is provided with a replacement opening, the inside of the installation column (1) is provided with a lifting piece (3), the lifting piece (3) comprises two threaded rods (31), a lifting plate (32) and a sliding plate (33), the two threaded rods (31) are respectively penetrated through the lifting plate (32) and are in threaded connection with the lifting plate (32), the screw thread direction of two threaded rods (31) is unanimous, and recess with slide plate (33) looks adaptation is seted up to lifter plate (32), and slide plate (33) up end is provided with clamping piece (4), and erection column (1) sliding connection has shielding piece (5), and erection column (1) bottom is equipped with the driving piece of drive lifter (3).
2. The overhead monitoring mount of claim 1, wherein: the clamping piece (4) comprises a plurality of locking blocks (41), a plurality of sliding rods (42), fluted discs (43) and driving gears (44), a plurality of sliding grooves (46) matched with the sliding rods (42) are formed in the sliding plates (33), the sliding rods (42) are located in the sliding grooves (46), the locking blocks (41) and the sliding rods (42) are in one-to-one correspondence, the sliding rods (42) are fixedly connected with the locking blocks (41), a plurality of arc grooves (45) are formed in the fluted discs (43), the distances between the two ends of each arc groove (45) and the circle centers of the fluted discs (43) are different, the arc grooves (45) are formed in the sliding rods (42) in a penetrating mode, the locking blocks (41) are located above the fluted discs (43), the driving gears (44) are meshed with the outer edges of the fluted discs (43), and the driving gears (44) are provided with locking pieces (6).
3. The overhead monitoring mount of claim 2, wherein: the locking piece (6) comprises a worm wheel (61) and a worm (62), a connecting rod (63) is arranged between the worm wheel (61) and the driving gear (44), the worm wheel (61) is meshed with the worm (62), two supporting plates (64) are arranged on the sliding plate (33), and two ends of the worm (62) are respectively connected with the two supporting plates (64) in a rotating mode.
4. The overhead monitoring mount of claim 1, wherein: the shielding piece (5) comprises a plurality of stand columns (51), a circular ring (52) and a cover plate (53), wherein two ends of the stand columns (51) are fixedly connected with the circular ring (52) and the cover plate (53) respectively, the stand columns (51) are arranged around the circular ring (52) at equal angles in the circumferential direction, the circular ring (52) and the stand columns (51) are located in the mounting column (1), two abutting plates (54) are fixedly connected to the lifting plate (32), and abutting grooves matched with the abutting plates (54) are formed in the mounting column (1).
5. The overhead monitoring mount of claim 1, wherein: the sliding plate (33) is fixedly connected with a limiting strip (331), and the lifting plate (32) is provided with a limiting groove (332) matched with the limiting strip (331).
6. The overhead monitoring mount of claim 1, wherein: the fixing piece (2) comprises a plurality of right-angle plates (21) and a plurality of expansion bolts (22), one end of each right-angle plate (21) is fixedly connected with the mounting column (1), and the expansion bolts (22) are connected with the other end of each right-angle plate (21).
7. The overhead monitoring mount of claim 6 wherein: the right angle plate (21) is fixedly connected with a reinforcing plate (23), and two ends of the reinforcing plate (23) are fixedly connected with the right angle plate (21).
8. The overhead monitoring mount of claim 1, wherein: and a sealing ring (11) is arranged at the top of the mounting column (1), and the sealing ring (11) is abutted against the sliding plate (33).
CN202320587607.9U 2023-03-21 2023-03-21 High altitude monitoring mounting frame Active CN219243125U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320587607.9U CN219243125U (en) 2023-03-21 2023-03-21 High altitude monitoring mounting frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320587607.9U CN219243125U (en) 2023-03-21 2023-03-21 High altitude monitoring mounting frame

Publications (1)

Publication Number Publication Date
CN219243125U true CN219243125U (en) 2023-06-23

Family

ID=86843258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320587607.9U Active CN219243125U (en) 2023-03-21 2023-03-21 High altitude monitoring mounting frame

Country Status (1)

Country Link
CN (1) CN219243125U (en)

Similar Documents

Publication Publication Date Title
CN210016528U (en) Traffic signal monitoring device of road lighting engineering
CN110671587A (en) Video monitoring device for property management
CN219243125U (en) High altitude monitoring mounting frame
CN213476680U (en) Warning device is used in highway engineering construction
CN215056069U (en) High building protector for construction that stability is good
CN213927802U (en) Protective equipment for hydraulic engineering
CN213716173U (en) Traffic signal lamp convenient to maintenance is changed
CN109914839A (en) Light door-window opening roller shutter, which encloses, blocks means of defence
CN212374818U (en) Hanging basket for mounting vertical elevator
CN108979263A (en) A kind of gear-driven screw rod up-down intelligent underground parking
CN212534974U (en) Scaffold frame is used to fitment
CN112942792A (en) Intelligent multi-use architecture hanging flower basket for construction
CN112509457A (en) Electric shock prevention warning device for construction under high-risk electric power facility
CN215858975U (en) Multifunctional support for closed-circuit television construction of monitoring facility
CN107119916B (en) A kind of construction safety fence and attachment device
CN219828742U (en) Barrier lamp with support structure
CN219138581U (en) Rail guard for building engineering
CN215854775U (en) Anti-climbing device for tower crane
CN220599081U (en) Construction protection platform that easily builds
CN220377692U (en) Building construction rail guard
CN219863990U (en) Adjustable platform for outer wall operation
CN221629391U (en) Monitoring device for preventing fire-fighting channel from being occupied
CN218153541U (en) Electronic police monitoring rod
CN210918315U (en) Anti-falling building construction support
CN219345918U (en) Safety monitoring device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant