CN113766105B - Safety monitoring device for bridge construction process - Google Patents
Safety monitoring device for bridge construction process Download PDFInfo
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- CN113766105B CN113766105B CN202110880999.3A CN202110880999A CN113766105B CN 113766105 B CN113766105 B CN 113766105B CN 202110880999 A CN202110880999 A CN 202110880999A CN 113766105 B CN113766105 B CN 113766105B
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- fixedly connected
- set casing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a safety monitoring device for a bridge construction process, and relates to the technical field of safety monitoring. This a safety monitoring device for bridge work progress, including the set casing, the right side fixedly connected with of set casing connects the tablet, the right side of connecting the tablet articulates there is the hinge sleeve, the inner wall fixedly connected with camera of set casing, the upper surface of set casing is provided with clean mechanism, the left side of set casing is provided with shelters from the mechanism. This a safety monitoring device for bridge work progress, will articulate when installing and apply mechanically the bolt fastening behind the assigned position, because noon temperature is higher, can make the gas between fixed box and the baffle expand, the expanded gas passes through the connecting cylinder and promotes the picture peg, make the inside that the picture peg was released the set casing, the area of sheltering from of extension shielding plate to the front end of camera, the left end dust of having avoided because the more interim camera that causes of dust that noon weather is hot more easily adnexed condition.
Description
Technical Field
The invention relates to the technical field of safety monitoring, in particular to a safety monitoring device for a bridge construction process.
Background
In order to monitor and record conditions in the construction process in real time in the construction process of a bridge building, safety monitoring needs to be carried out in many places, dead-angle-free recording is carried out on a construction site, however, dust is large on the construction site, pollution is serious, and the amount of dust in the air is large, so that dust is easily attached to a camera of common monitoring equipment, the quality of a picture is influenced, and a device is needed to reduce the influence of the dust on the camera.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a safety monitoring device for a bridge construction process, and the purpose of reducing air pollution and covering a camera to influence the shooting quality is achieved.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a safety monitoring device for bridge work progress, includes the set casing, the right side fixedly connected with of set casing connects the tablet, the right side of connecting the tablet articulates there is the hinge sleeve, the inner wall fixedly connected with camera of set casing, the upper surface of set casing is provided with clean mechanism, the left side of set casing is provided with shelters from the mechanism.
Preferably, it includes shielding plate, cutting, first spring, picture peg to shelter from the mechanism, the right side of shielding plate and the left end fixed connection of cutting, the right-hand member of cutting is pegged graft in the inside of set casing and sliding connection with it, the right-hand member outer wall of cutting is connected on the left of the inner wall of first spring and set casing, the left side fixed connection of picture peg is at the right side outer wall of shielding plate, the right side of picture peg is pegged graft in the inside of set casing, be formed with the cavity between the right-hand member of picture peg and the inner wall of set casing.
Preferably, clean mechanism includes fixed box, baffle, water-blocking plate, gasket, connecting cylinder, sealing mechanism, drainage mechanism, the lower surface of fixed box is connected with the last fixed surface of set casing, the lateral wall fixed connection of baffle is at the inner wall of set casing, the left side fixed connection of water-blocking plate is at the outer wall of baffle, the right side fixed connection of water-blocking plate is on the inner wall right side of fixed box, sealing mechanism sets up the middle part at the water-blocking plate, the upper end of connecting cylinder and the upside intercommunication setting of baffle, be formed with the air cavity between the upside of baffle and the inner wall upside of fixed box, the lower extreme of connecting cylinder runs through the cavity intercommunication setting that forms between the right-hand member of fixed box and picture peg and the inner wall of set casing, drainage mechanism sets up the left side at the connecting cylinder.
Preferably, sealing mechanism includes installation cover, slide cartridge, connection rope, apron, the outer wall of installation cover and the inner wall fixed connection of water-blocking plate, the downside of installation cover and the downside intercommunication setting of water-blocking plate, the upside of installation cover and the upside intercommunication setting of water-blocking plate, the slide cartridge is pegged graft in the inside of installation cover, the upper surface of slide cartridge passes through the stretch cord and is connected with the inner wall of installation cover, the inner wall upper surface of slide cartridge is connected with the lower surface of apron through connecting the rope, the lower surface of apron and the upper surface contact of installation cover.
Preferably, the drainage mechanism comprises a drainage pipe, a rubber ball, a fixed cylinder, a sliding plate, a connecting rod, an insert block, a second spring, a plug and a fixed plate, the upper end of the drainage pipe is communicated with the bottom of the fixed box, the lower end of the drainage pipe penetrates through the fixed shell and extends to the front side of the camera, the outer wall of the rubber ball is fixedly connected with the inner wall of the drainage pipe, the left side of the rubber ball contacts with the left side of the inner wall of the drainage pipe, the left side of the fixed cylinder penetrates through the fixed plate and is fixedly connected with the inner wall of the fixed plate, the outer wall of the fixed plate is fixedly connected with the inner wall of the fixed box, the outer wall of the sliding plate is slidably connected with the inner wall of the fixed cylinder, the left side of the sliding plate is fixedly connected with the right end of the connecting rod, the upper end of the left side of the connecting rod penetrates through the fixed plate and extends to the left side of the fixed plate and is fixedly connected with the left side of the outer wall of the insert block, and the left side of the sliding plate is connected with the right side of the fixed plate through the second spring, the inner wall of the plug is fixedly connected with the outer wall of the connecting rod.
Preferably, the lower end opening of the drain pipe is smaller than the upper end opening of the drain pipe.
Preferably, the outer wall of the insertion block is slidably connected with the inner wall of the fixing plate, and the right end of the insertion block penetrates through the fixing plate and extends to the right side of the fixing plate.
Preferably, the right side of the fixing box is provided with an air leakage hole, and the outer wall of the sealing sheet is fixedly connected with the inner wall of the air leakage hole.
Preferably, the mounting sleeve is provided with a water inlet.
The invention provides a safety monitoring device for a bridge construction process. The method has the following beneficial effects:
(1) this a safety monitoring device for bridge work progress, will articulate when installing and apply mechanically the bolt fastening behind the assigned position, because noon temperature is higher, can make the gas between fixed box and the baffle expand, the expanded gas passes through the connecting cylinder and promotes the picture peg, make the inside that the picture peg was released the set casing, the area of sheltering from of extension shielding plate to the front end of camera, the left end dust of having avoided because the more interim camera that causes of the dust that causes of noon weather is more adnexed condition more easily.
(2) This a safety monitoring device for bridge work progress, rainwater can flow in the inside of fixed box along the upside of fixed box in the time of the rainy day, and after the rain stops, weather is clear can arouse the inflation of gasket through the gas expansion between fixed box and the baffle, extrudes the rainwater along the drain pipe, sprays the left side of camera after pressurizeing through rubber ball department and washs, has reached the effect that makes the camera carry out the automatically cleaning.
(3) This a safety monitoring device for bridge work progress can make the apron float when the rainwater collects the upside of water-blocking board, makes the connecting rope pull the slide cartridge and descends, makes the slide cartridge descend and sheathes the position below the outlet in the installation, and rivers flow down from installation cover and slide cartridge department, can upwards promote the slide cartridge when the gasket inflation, makes the slide cartridge through the taut apron of connecting rope, has reached and has made the rainwater only can flow in, the effect that can't go out.
(4) This a safety monitoring device for bridge work progress can make the slide remove left when drainage mechanism department is flowed through to the rainwater, oppresses the stopper and removes through the fixed plate, makes rivers just can flow out under the great condition of pressure, has reached increase water pressure, can be better when making the water spray of drain pipe lower extreme clean effect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the cutting portion of the front view of the present invention;
FIG. 3 is a schematic cross-sectional view of a drainage mechanism according to the present invention;
FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of B of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the structure C in FIG. 5 according to the present invention.
In the figure: the device comprises a fixed shell 1, a connecting plate 2, a hinged sleeve 3, a cleaning mechanism 4, a shielding mechanism 5, a camera 6, a fixed box 401, a partition plate 402, a water blocking plate 403, a sealing plate 404, a connecting cylinder 405, a sealing mechanism 406, a water draining mechanism 407, a shielding plate 501, an inserting strip 502, a first spring 503, an inserting plate 504, a mounting sleeve 601, a sliding cylinder 602, a connecting rope 603, a cover plate 604, a water draining pipe 701, a rubber ball 702, a fixed cylinder 703, a sliding plate 704, a connecting rod 705, an inserting block 706, a second spring 707, a plug 708 and a fixing plate 709.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a safety monitoring device for bridge work progress, includes set casing 1, the right side fixedly connected with of set casing 1 connects tablet 2, and the right side of connecting tablet 2 articulates there is hinge sleeve 3, and the inner wall fixedly connected with camera 6 of set casing 1, the upper surface of set casing 1 are provided with clean mechanism 4, and the left side of set casing 1 is provided with shelters from mechanism 5.
The shielding mechanism 5 comprises a shielding plate 501, an inserting strip 502, a first spring 503 and an inserting plate 504, wherein the right side of the shielding plate 501 is fixedly connected with the left end of the inserting strip 502, the right end of the inserting strip 502 is inserted into the fixed shell 1 and is in sliding connection with the fixed shell, the outer wall of the right end of the inserting strip 502 is connected with the left side of the inner wall of the fixed shell 1 through the first spring 503, the left side of the inserting plate 504 is fixedly connected with the outer wall of the right side of the shielding plate 501, the right side of the inserting plate 504 is inserted into the fixed shell 1, and a cavity is formed between the right end of the inserting plate 504 and the inner wall of the fixed shell 1.
The cleaning mechanism 4 comprises a fixed box 401, a partition plate 402, a water blocking plate 403, a sealing sheet 404, a connecting cylinder 405, a sealing mechanism 406 and a drainage mechanism 407, wherein the lower surface of the fixed box 401 is fixedly connected with the upper surface of the fixed shell 1, the side wall of the partition plate 402 is fixedly connected with the inner wall of the fixed shell 1, the right side of the fixed box 401 is provided with an air release hole, the outer wall of the sealing sheet 404 is fixedly connected with the inner wall of the air release hole, the left side of the water blocking plate 403 is fixedly connected with the outer wall of the partition plate 402, the right side of the water blocking plate 403 is fixedly connected with the right side of the inner wall of the fixed box 401, the sealing mechanism 406 is arranged in the middle of the water blocking plate 403, the upper end of the connecting cylinder 405 is communicated with the upper side of the partition plate 402, an air cavity is formed between the upper side of the partition plate 402 and the inner wall of the fixed box 401, the lower end of the connecting cylinder 405 penetrates through the cavity formed between the right end of the fixed box 401 and the inserting plate 504 and the inner wall of the fixed shell 1, the drain mechanism 407 is provided on the left side of the connecting cylinder 405.
The sealing mechanism 406 comprises an installation sleeve 601, a sliding barrel 602, a connecting rope 603 and a cover plate 604, wherein the outer wall of the installation sleeve 601 is fixedly connected with the inner wall of the water-blocking plate 403, the lower side of the installation sleeve 601 is communicated with the lower side of the water-blocking plate 403, the upper side of the installation sleeve 601 is communicated with the upper side of the water-blocking plate 403, the sliding barrel 602 is inserted into the installation sleeve 601, the upper surface of the sliding barrel 602 is connected with the inner wall of the installation sleeve 601 through an elastic rope, the upper surface of the inner wall of the sliding barrel 602 is connected with the lower surface of the cover plate 604 through the connecting rope 603, the lower surface of the cover plate 604 is in contact with the upper surface of the installation sleeve 601, and the installation sleeve 601 is provided with a water inlet.
The drainage mechanism 407 comprises a drainage pipe 701, a rubber ball 702, a fixed cylinder 703, a sliding plate 704, a connecting rod 705, an insert block 706, a second spring 707, a plug 708 and a fixed plate 709, the upper end of the drainage pipe 701 is communicated with the bottom of the fixed box 401, the lower end of the drainage pipe 701 penetrates through the fixed shell 1 and extends to the front side of the camera 6, the lower end opening of the drainage pipe 701 is smaller than the upper end opening of the drainage pipe 701, the outer wall of the rubber ball 702 is fixedly connected with the inner wall of the drainage pipe 701, the left side of the rubber ball 702 is in contact with the left side of the inner wall of the drainage pipe 701, the left side of the fixed cylinder 703 penetrates through the fixed plate 709 and is fixedly connected with the inner wall of the fixed box 401, the outer wall of the fixed plate 709 is fixedly connected with the inner wall of the fixed cylinder 703, the outer wall of the sliding plate 704 is slidably connected with the inner wall of the fixed cylinder 703, the left side of the sliding plate 704 is fixedly connected with the right end of the connecting rod 705, the upper end of the left side of the connecting rod 705 penetrates through the fixed plate 709 and extends to the left side of the fixed plate 709 and is fixedly connected with the left side of the outer wall of the insert block 706, the left side of the sliding plate 704 is connected to the right side of the fixing plate 709 through a second spring 707, the inner wall of the plug 708 is fixedly connected to the outer wall of the connecting rod 705, the outer wall of the insertion block 706 is slidably connected to the inner wall of the fixing plate 709, and the right end of the insertion block 706 penetrates through the fixing plate 709 and extends to the right side of the fixing plate 709.
When the device is used, the device is fixed at a designated position by a bolt fixing and hinging sleeve 3, then the camera 6 is started to work, air in an air cavity between a fixing box 401 and a partition plate 402 expands due to hot weather at noon, so that a sealing sheet 404 expands, air is exhausted from a connecting cylinder 405, the air pressure on the right side of an inserting plate 504 is increased after the air is exhausted from the connecting cylinder 405, the inserting plate 504 is pushed leftwards, a first spring 503 is compressed and deformed, the shielding plate 501 moves leftwards, the effect of increasing the shielding area at the front end of a camera at noon and reducing dust adhesion is achieved by matching with the inserting plate 504, after the air temperature is reduced along with the air in the air cavity, the first spring 503 rebounds to enable the inserting plate 504 to retract into the fixing shell 1, the shielding plate 501 retracts and exposure is increased, rainwater can flow into the upper side of a water blocking plate 403 along the upper side of the fixing box 401 during raining, the cover plate 604 floats upwards, the cover plate 604 enables the sliding barrel 602 to descend to a position below a water discharging port on the installation sleeve 601 by pulling the sliding barrel 602, meanwhile, the elastic rope is stretched, water flows into the fixing box 401 along the installation sleeve 601, the cover plate 604 falls back to the upper side of the installation sleeve 601 for sealing after rain stopping, the sliding barrel 602 resets due to the elastic rope, the effect of sealing the installation sleeve 601 is achieved, water cannot be evaporated, water is stored, in high-temperature weather after rain stopping, air in an air cavity expands to enable the sealing sheet 404 to press water in the fixing box 401, the sliding sheet 704 is pushed by water pressure to move leftwards, when the plug 708 passes through the fixing plate 709, due to the friction force of the plug 708 and the fixing plate 709, the movement is slow, meanwhile, the second spring 707 contracts for energy storage, after the plug 708 passes through the insertion block 706, the insertion block 706 can be quickly separated from the fixing plate 709 due to no influence of the friction force of the plug 708, the water flow is sprayed out through the drain pipe 701, the water flow is pressurized due to the extrusion of the rubber ball 702 when passing through the rubber ball 702, so that the water flow is sprayed out from the lower end of the drain pipe 701 to clean the left side of the camera 6, the self-cleaning effect is achieved, the plug 708 can pass through the fixing plate 709 to reset due to the elastic force of the second spring 707 after the water is drained a little, and the inserting block 706 blocks the fixing plate 709 again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a safety monitoring device for bridge work progress, includes stationary casing (1), its characterized in that: the right side of the fixed shell (1) is fixedly connected with a connecting plate (2), the right side of the connecting plate (2) is hinged with a hinge sleeve (3), the inner wall of the fixed shell (1) is fixedly connected with a camera (6), the upper surface of the fixed shell (1) is provided with a cleaning mechanism (4), and the left side of the fixed shell (1) is provided with a shielding mechanism (5);
the shielding mechanism (5) comprises a shielding plate (501), an inserting strip (502), a first spring (503) and an inserting plate (504), the right side of the shielding plate (501) is fixedly connected with the left end of the inserting strip (502), the right end of the inserting strip (502) is inserted into the fixed shell (1) and is in sliding connection with the fixed shell, the outer wall of the right end of the inserting strip (502) is connected with the left side of the inner wall of the fixed shell (1) through the first spring (503), the left side of the inserting plate (504) is fixedly connected with the outer wall of the right side of the shielding plate (501), the right side of the inserting plate (504) is inserted into the fixed shell (1), and a cavity is formed between the right end of the inserting plate (504) and the inner wall of the fixed shell (1);
clean mechanism (4) are including fixed box (401), baffle (402), water-blocking plate (403), sealing fin (404), connecting cylinder (405), sealing mechanism (406), drainage mechanism (407), the lower surface of fixed box (401) is connected with the last fixed surface of set casing (1), the lateral wall fixed connection of baffle (402) is at the inner wall of set casing (1), the left side fixed connection of water-blocking plate (403) is at the outer wall of baffle (402), the right side fixed connection of water-blocking plate (403) is on the inner wall right side of set casing (401), sealing mechanism (406) sets up the middle part at water-blocking plate (403), the upper end of connecting cylinder (405) and the upside intercommunication setting of baffle (402), be formed with the air cavity between the upside of baffle (402) and the inner wall upside of set casing (401), the lower extreme of connecting cylinder (405) runs through the cavity that forms between the right-hand member of set box (401) and picture peg (504) and the inner wall of set casing (1) The water draining mechanism (407) is arranged on the left side of the connecting cylinder (405);
the drainage mechanism (407) comprises a drainage pipe (701), a rubber ball (702), a fixed cylinder (703), a sliding plate (704), a connecting rod (705), an inserting block (706), a second spring (707), a plug (708) and a fixed plate (709), the upper end of the drainage pipe (701) is communicated with the bottom of the fixed box (401), the lower end of the drainage pipe (701) penetrates through the fixed shell (1) and extends to the front side of the camera (6), the outer wall of the rubber ball (702) is fixedly connected with the inner wall of the drainage pipe (701), the left side of the rubber ball (702) is in contact with the left side of the inner wall of the drainage pipe (701), the left side of the fixed cylinder (703) penetrates through the fixed plate (709) and is fixedly connected with the inner wall of the fixed plate (709), the outer wall of the fixed plate (709) is fixedly connected with the inner wall of the fixed box (401), the outer wall of the sliding plate (704) is in sliding connection with the inner wall of the fixed cylinder (703), the left side of slide (704) and the right-hand member fixed connection of connecting rod (705), the left side upper end of connecting rod (705) runs through fixed plate (709) and extends to the left side of fixed plate (709) and the outer wall left side fixed connection of inserted block (706), the left side of slide (704) is connected with the right side of fixed plate (709) through second spring (707), the inner wall of stopper (708) and the outer wall fixed connection of connecting rod (705).
2. The safety monitoring device for bridge construction process according to claim 1, wherein: the sealing mechanism (406) comprises an installation sleeve (601), a sliding barrel (602), a connecting rope (603) and a cover plate (604), the outer wall of the installation sleeve (601) is fixedly connected with the inner wall of the water-blocking plate (403), the lower side of the installation sleeve (601) is communicated with the lower side of the water-blocking plate (403), the upper side of the installation sleeve (601) is communicated with the upper side of the water-blocking plate (403), the sliding barrel (602) is inserted into the installation sleeve (601), the upper surface of the sliding barrel (602) is connected with the inner wall of the installation sleeve (601) through an elastic rope, the upper surface of the inner wall of the sliding barrel (602) is connected with the lower surface of the cover plate (604) through the connecting rope (603), and the lower surface of the cover plate (604) is in contact with the upper surface of the installation sleeve (601).
3. The safety monitoring device for bridge construction process according to claim 1, wherein: the lower end opening of the drain pipe (701) is smaller than the upper end opening of the drain pipe (701).
4. The safety monitoring device for bridge construction process according to claim 1, wherein: the outer wall of inserted block (706) and the inner wall sliding connection of fixed plate (709), just the right-hand member of inserted block (706) runs through fixed plate (709) and extends to the right side of fixed plate (709).
5. The safety monitoring device for bridge construction process according to claim 1, wherein: the right side of the fixed box (401) is provided with an air leakage hole, and the outer wall of the sealing sheet (404) is fixedly connected with the inner wall of the air leakage hole.
6. The safety monitoring device for bridge construction process according to claim 2, wherein: the mounting sleeve (601) is provided with a water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880999.3A CN113766105B (en) | 2021-08-02 | 2021-08-02 | Safety monitoring device for bridge construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880999.3A CN113766105B (en) | 2021-08-02 | 2021-08-02 | Safety monitoring device for bridge construction process |
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| Publication Number | Publication Date |
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| CN113766105A CN113766105A (en) | 2021-12-07 |
| CN113766105B true CN113766105B (en) | 2022-08-19 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209170501U (en) * | 2018-12-16 | 2019-07-26 | 允能科技产业有限公司 | A kind of construction monitor camera device with protective action |
| CN212310232U (en) * | 2020-05-03 | 2021-01-08 | 甘肃第六建设集团股份有限公司 | Building site safety monitoring equipment of wisdom building site management and control platform |
| CN111726494A (en) * | 2020-06-19 | 2020-09-29 | 广州荣哲科技有限公司 | Surveillance camera head based on slider-crank prevents highlight |
| CN213367969U (en) * | 2020-09-16 | 2021-06-04 | 上海昱辰机电工程有限公司 | High-applicability outdoor security monitoring equipment based on rainwater cleaning |
| CN112995460A (en) * | 2021-02-04 | 2021-06-18 | 广州特大实业有限公司 | Security monitoring camera device capable of effectively preventing dust from shielding shooting sight |
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