CN117904997B - Intelligent early warning device with protection function - Google Patents

Intelligent early warning device with protection function Download PDF

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Publication number
CN117904997B
CN117904997B CN202410317516.2A CN202410317516A CN117904997B CN 117904997 B CN117904997 B CN 117904997B CN 202410317516 A CN202410317516 A CN 202410317516A CN 117904997 B CN117904997 B CN 117904997B
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CN
China
Prior art keywords
early warning
shaft
protector
rope ladder
warning device
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Active
Application number
CN202410317516.2A
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Chinese (zh)
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CN117904997A (en
Inventor
贺旭
孙峰
赵佑
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Shanxi Shenou Information Engineering Co ltd
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Shanxi Shenou Information Engineering Co ltd
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Publication date
Application filed by Shanxi Shenou Information Engineering Co ltd filed Critical Shanxi Shenou Information Engineering Co ltd
Priority to CN202410317516.2A priority Critical patent/CN117904997B/en
Publication of CN117904997A publication Critical patent/CN117904997A/en
Application granted granted Critical
Publication of CN117904997B publication Critical patent/CN117904997B/en
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Abstract

The invention relates to the field of early warning devices, in particular to an intelligent early warning device with a protection function. The technical problems are as follows: the existing device can only protect constructors on gentle pavement, cannot achieve safety protection for constructors in a sewer well, after a vehicle impacts an early warning device, a driver is easily frightened and unhelpful, so that the vehicle cannot brake timely, the vehicle impacts a sewer well lid, meanwhile, the vehicle is easy to damage in the impact process, and after falling into the well lid, falling fragments easily cause injury of constructors in a shaft, so that personal safety of the constructors is endangered. The technical proposal is as follows: an intelligent early warning device with a protection function comprises an early warning device, a mounting rack and the like; a plurality of mounting frames are arranged on the right of the early warning device. According to the invention, the manhole cover is virtually covered on the surface of the shaft through the protector, so that the protection of operators in the shaft is realized, fragments generated after the vehicle is crashed by impact are prevented from falling into the shaft, and the personal safety of the operators is ensured.

Description

Intelligent early warning device with protection function
Technical Field
The invention relates to the field of early warning devices, in particular to an intelligent early warning device with a protection function.
Background
In the use of road, receive the influence of wind blowing insolation, the road is liable to appear wearing and tearing, in order to avoid damaging road harm vehicle of traveling and pedestrian's safety, need repair damaged road, chinese patent with the application number CN202223221344.4, a highway construction monitoring early warning device, can be when using through rotating the subassembly, monitoring early warning subassembly and fixed subassembly stretch out from the intelligent cabinet body simultaneously, fixed subassembly can carry out the fixation on different road surfaces, monitoring early warning subassembly can detect and early warn, but the device only can protect constructor in gentle road surface, can't accomplish safety protection to the constructor in the sewer well;
After the vehicle strikes the early warning device, the driver is easily frightened, leads to unable brake in time, leads to the vehicle striking well lid under the well, and the vehicle easily appears the damage at the in-process of striking simultaneously, and the piece that drops falls into behind the well lid, easily leads to constructor injury in the pit shaft, endangers constructor's personal safety.
Disclosure of Invention
In order to overcome the defects that the existing device can only protect constructors on a gentle road surface, cannot achieve safety protection for constructors in a sewer well, after a vehicle collides with an early warning device, a driver is easily frightened and loses mind, so that the vehicle cannot be braked timely, the vehicle collides with a sewer well cover, meanwhile, the vehicle is easy to damage in the collision process, and falling fragments fall into the well cover, the constructors in a shaft are easy to injure, and the personal safety of the constructors is endangered, the invention provides the intelligent early warning device with a protection function.
The technical proposal is as follows: an intelligent early warning device with a protection function comprises an early warning device; an early warning device is arranged on the road surface; a speed measuring radar is arranged on the early warning device; the early warning device is provided with a traffic induction screen; the device also comprises a mounting rack, a protector, a cover opener and a protection system; a plurality of mounting frames are arranged on the right of the early warning device; the mounting frames are respectively positioned at the front side and the rear side of the shaft; a protector for protecting constructors in the shaft is rotatably arranged on the mounting frames through an electric rotating rod; the protector is positioned at the left side of the shaft; the shaft is rotationally connected with the well cover; a plurality of lifting hooks are arranged on the inner side of the shaft; the protector is provided with a cover opener which is convenient for opening the well lid; the guard is provided with a protection system for guiding the deflection of the vehicle in the direction of travel.
Further, the rope ladder is also included; a rope ladder for constructors to climb in the shaft is mounted on the mounting frames together.
Further, be provided with a plurality of climbing portion on the rope ladder, lie in two lifting hooks of same one side with the rope ladder and all lie in climbing portion top.
Further, each mounting frame is provided with a movable groove; the rope ladder is provided with a fixing part, the movable groove and the fixing part are both rough surfaces, and the movable groove is in sliding connection with the fixing part.
Further, the protection system comprises a fence; the front side and the rear side of the protector are both rotatably connected with a fence through a rotating shaft; each enclosing baffle is provided with a plurality of rollers for guiding the running direction of the vehicle.
Further, the protection system also comprises a magic tape; each enclosing baffle is fixedly connected with a magic tape.
Further, the device also comprises a roller; each mounting frame is rotationally connected with a plurality of rollers.
Further, a connecting rod is also included; the rope ladder is fixedly connected with a plurality of connecting rods for avoiding the rope ladder from rotating, each connecting rod is sleeved with an adjacent lifting hook, and the connecting part of the connecting rod and the rope ladder is positioned below the bending part of the rope ladder.
Further, a part between the bending part on the upper part of the rope ladder and the fixing part is a connecting part, and the connecting part is made of soft elastic materials.
Further, the device also comprises a warning lamp; the protector is provided with a camera; and an alarm lamp used for warning constructors in the shaft is arranged on the mounting frame.
The invention has the beneficial effects that: according to the invention, the manhole cover is virtually covered on the surface of the shaft through the protector, so that the protection of operators in the shaft is realized, fragments generated after the vehicle is impacted and broken are prevented from falling into the shaft, the operators are injured by crashing, and the personal safety of the operators is ensured;
the climbing parts on the rope ladder are intercepted by the two lifting hooks which are positioned on the same side of the rope ladder, so that the rope ladder is prevented from being drawn out of a shaft, and constructors climbing on the rope ladder are prevented from being synchronously dragged and injured;
the protector is given a reverse pulling force through the fixing part on the rope ladder, so that the thrust of the protector is slowed down when the automobile is given, the protector is prevented from being pushed for a long distance, the rope ladder is prevented from moving, and the personal safety of constructors is further ensured;
The roller on the enclosing board guides the running direction of the vehicle to the front side and the rear side of the protector, so that the isolation of the shaft and the vehicle is realized, and the situation that fragments generated after the vehicle is crashed by impact drop into the shaft is avoided, so that constructors are injured by smashing, and the personal safety of the constructors is further guaranteed.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of an intelligent early warning device with a protection function;
FIG. 2 is a schematic perspective view of the combination of the mounting bracket, the guard and the cap opener of the present invention;
FIG. 3 is a schematic perspective view of a first portion of the present invention;
FIG. 4 is a schematic perspective view of a second portion of the present invention;
FIG. 5 is a schematic perspective view of a protection system according to the present invention;
Fig. 6 is a schematic perspective view of a warning lamp according to the present invention.
Reference numerals: 1-early warning device, 1001-speed measuring radar, 1002-traffic induction screen, 2-mounting frame, 2001-movable groove, 3-protector, 3001-camera, 4-cover opener, 101-rope ladder, 10101-climbing part, 10102-connecting part, 10103-fixing part, 102-roller, 103-connecting rod, 201-surrounding baffle, 20101-roller, 202-magic tape and 301-warning lamp.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Embodiment 1, as shown in fig. 1-4, an intelligent early warning device with protection function includes an early warning device 1; an early warning device 1 is arranged on the road surface; the early warning device 1 is provided with a speed measuring radar 1001; the traffic guidance screen 1002 is arranged on the early warning device 1;
The device also comprises a mounting frame 2, a protector 3, a cover opener 4 and a protection system; two mounting frames 2 are arranged on the right of the early warning device 1; the two mounting frames 2 are respectively positioned at the front side and the rear side of the shaft; a protector 3 is rotatably arranged on the two mounting frames 2 through an electric rotating rod; the protector 3 is positioned at the left side of the shaft; the shaft is rotationally connected with the well cover; four lifting hooks are arranged on the inner side of the shaft; the protector 3 is provided with a cover opener 4; the guard 3 is provided with a protection system.
Also comprises a rope ladder 101; a rope ladder 101 is commonly mounted on the two mounting frames 2.
A plurality of climbing parts 10101 are arranged on the rope ladder 101, and two lifting hooks which are positioned on the same side with the rope ladder 101 are positioned above the climbing parts 10101; when the protector 3 is impacted by the automobile and pushed by the automobile to move from left to right, the protector 3 drives the mounting frame 2 to move from left to right, and then the rope ladder 101 is drawn to move upwards, the climbing part 10101 is intercepted by two lifting hooks which are positioned on the same side with the rope ladder 101, the rope ladder 101 is prevented from being drawn out of a shaft, constructors climbing on the rope ladder 101 are prevented from being synchronously and passively injured, and personal safety of the constructors is guaranteed.
Each mounting frame 2 is provided with a movable groove 2001; the rope ladder 101 is provided with a fixing part 10103, the movable groove 2001 and the fixing part 10103 are both rough surfaces, and the movable groove 2001 is in sliding connection with the fixing part 10103; when the protector 3 is impacted by the automobile and is pushed by the automobile to move from left to right, the fixing part 10103 moves from right to left in the movable groove 2001, the impact force of the automobile on the protector 3 is relieved through friction between the movable groove 2001 and the fixing part 10103, and further the rope ladder 101 is prevented from being directly pushed by the automobile to move from left to right, and the personal safety of constructors is further guaranteed.
When the sewer well needs to be maintained, a protector 3 is manually placed on the left side of the sewer well, an early warning device 1 is placed at the position of ten meters on the left side of the protector 3, the speed of a vehicle running on the left side is observed through a speed measuring radar 1001, when the speed is higher than 30 yards, a green font is displayed through a traffic induction screen 1002 to slow down and warn the vehicle to run, when the speed is higher than 60 yards, a red font is displayed through the traffic induction screen 1002 to slow down and slow down, warning of vehicles with different speeds is achieved, when the arrangement of the early warning device 1 and the protector 3 is completed, the protector 1 and the protector 3 are rotated clockwise from front to back to be seen as a benchmark, the protector 3 is rotated clockwise manually to enable the protector to lie on the upper side of a well cover, the cover 4 is rotated to penetrate through a hole on the well cover, then the cover 4 is rotated again and is crossed with the hole, the cover is rotated to fix the well cover, then the protector 3 is rotated anticlockwise to enable the protector 3 to reset, convenient opening of the well cover is achieved, after the well cover is opened, a rope ladder 101 is placed into a shaft through manpower, and a constructor climbs in the shaft;
When the collision warning device is not hit by a driving vehicle, an electric signal is sent by a collision sensor on the warning device based on the front-to-back direction, and then the protector 3 is driven to rotate clockwise by an electric rotating rod on the mounting frame 2, so that a well cover fixed on the protector 3 is virtually covered on the surface of a shaft, the protection of operators in the shaft is realized, fragments generated after the collision and breaking of the vehicle are prevented from falling into the shaft, the constructors are injured by smashing, and the personal safety of the constructors is ensured;
When the warning device is impacted, a driver is frightened, the driver is temporarily disarmed, the vehicle is caused to push the warning device to move from left to right to impact the protector 3, the protector 3 is pushed to move from left to right, the impact force of the automobile to the protector 3 is relieved through friction between the movable groove 2001 on the mounting frame 2 and the fixing part 10103 of the rope ladder 101, the rope ladder 101 is further prevented from being directly pushed to move from left to right by the automobile, when the impact force of the automobile is overlarge, the protector 3 drives the mounting frame 2 to move from left to right, the fixing part 10103 slides to the leftmost end of the movable groove 2001, the rope ladder 101 is further pulled to move upwards, the climbing part 10101 is intercepted through two lifting hooks which are positioned on the same side with the rope ladder 101, the rope ladder 101 is prevented from being pulled out of a shaft, so that constructors climbing on the rope ladder 101 are synchronously and injured, and meanwhile, the fixing part 10103 moves from right to left in the movable groove 2001, and the personal safety of the constructors is further guaranteed.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 3 to 5, the protection system includes a fence 201; the front side and the rear side of the protector 3 are both rotatably connected with a fence 201 through a rotating shaft; a plurality of rollers 20101 are arranged on each enclosure 201.
The protection system also comprises a magic tape 202; each enclosure 201 is fixedly connected with a magic tape 202.
Also included is a roller 102; a plurality of rollers 102 are rotatably connected to each mounting frame 2.
Also included is a coupling rod 103; two bilaterally symmetrical connecting rods 103 are fixedly connected to the rope ladder 101, each connecting rod 103 is sleeved with an adjacent lifting hook, and the connecting part of the connecting rod 103 and the rope ladder 101 is positioned below the bending part of the rope ladder 101.
A part between the bending part of the upper part of the rope ladder 101 and the fixing part 10103 is provided with a connecting part 10102, and the connecting part 10102 is made of rubber; when the surrounding block 201 is impacted, the surrounding block 201 drives the protector 3, the mounting frame 2 and the fixing part 10103 on the rope ladder 101 to deflect along the circumferential direction of the shaft, the connecting part 10102 is pulled and stretched when the fixing part 10103 deflects through the connecting part 10102 made of rubber, the part below the bending part of the rope ladder 101 is limited through the connecting rod 103, and then the part below the bending part of the rope ladder 101 and the climbing part 10101 are not influenced by the deflection of the fixing part 10103, so that the position of the climbing part 10101 is always kept unchanged.
When the warning device is impacted, a driver is frightened and rotates the steering wheel, and then the driving direction of the vehicle deflects to impact the surrounding barrier 201, the surrounding barrier 201 is driven to rotate towards the protector 3 through a rotating shaft on the protector 3, the driving direction of the vehicle is guided to the front side or the rear side of the protector 3 through a roller 20101 on the surrounding barrier 201, the shaft and the vehicle are isolated, fragments generated after the vehicle is impacted and broken are prevented from falling into the shaft, so that constructors are injured by crashes, and the personal safety of the constructors is further ensured;
When the railing exists on the front side or the rear side of the protector 3, the guardrail on the front side or the rear side of the protector 3 is wrapped by the magic tape 202, and in the process that the protector 3 is impacted by an automobile and is pushed by the automobile to move from left to right, the protector 3 is given a pulling force in the opposite direction by the magic tape 202, so that the thrust of the protector 3 given to the automobile is slowed down, the protector 3 is prevented from being pushed for a long distance, the rope ladder 101 is prevented from moving, and the personal safety of constructors is further ensured;
When enclosing fender 201 receives the striking, make enclose fender 201 drive protector 3, fixed part 10103 on mounting bracket 2 and rope ladder 101 deflect along pit shaft circumference direction, the well lid is the state of virtually masking on the pit shaft this moment, and with gyro wheel 102 sliding connection, reduce the frictional force between well lid and the mounting bracket 2 through gyro wheel 102, on avoiding mounting bracket 2 to twist reverse with a large amount of torsional forces transmission to the well lid, prevent the well lid atress to lead to the junction between well lid and the pit shaft impaired, ensure that constructor can open the well lid on the pit shaft smoothly, and at the same time, through cup jointing connecting rod 103 on two lifting hooks, through connecting part 10102 of rubber material, pulling connecting part 10102 and make connecting part 10102 extend when making fixed part 10103 deflect, and carry out spacingly through connecting rod 103 to the position under the rope ladder 101 is bent, and climbing part 10101 is not influenced by the deflection of fixed part 10103 all the time, make climbing part 10101 remain the position unchanged, when constructor can open the well lid on the pit shaft smoothly has been constructed and has been further ensured to open when constructor has finished climbing.
Embodiment 3, on the basis of embodiments 1 and 2, as shown in fig. 1 and 6, further includes a warning lamp 301; the protector 3 is provided with a camera 3001; the warning lamp 301 is mounted on the mounting frame 2.
In the process of climbing upwards after constructor construction is finished, observe road conditions around through speed measuring radar 1001, when there is the vehicle around to early warning ware 1 high-speed driving, send yellow light through warning light 301 and warn constructor and stop climbing temporarily, when protector 3 has been knocked down, the well lid is virtual to be covered on the pit shaft, observe road conditions around through camera 3001, when there is the vehicle around to protector 3 high-speed driving, send red light through warning light 301 and warn constructor and keep away from rope ladder 101, avoid rope ladder 101 to remove, further ensured constructor's personal safety.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (4)

1. An intelligent early warning device with a protection function comprises an early warning device (1); an early warning device (1) is arranged on the road surface; a speed measuring radar (1001) is arranged on the early warning device (1); a traffic induction screen (1002) is arranged on the early warning device (1); the device is characterized by further comprising a mounting frame (2), a protector (3), a cover opener (4) and a protection system; a plurality of mounting frames (2) are arranged on the right side of the early warning device (1); the mounting frames (2) are respectively positioned at the front side and the rear side of the shaft; a protector (3) for protecting constructors in the shaft is rotatably arranged on the plurality of mounting frames (2) through an electric rotating rod; the protector (3) is positioned at the left side of the shaft; the shaft is rotationally connected with the well cover; a plurality of lifting hooks are arranged on the inner side of the shaft; a cover opener (4) which is convenient for opening the well lid is arranged on the protector (3); the protector (3) is provided with a protection system for guiding the deflection of the running direction of the vehicle;
the rope ladder (101) is also included; a rope ladder (101) for constructors to climb in the shaft is commonly installed on the plurality of installation racks (2);
a plurality of climbing parts (10101) are arranged on the rope ladder (101), and two lifting hooks which are positioned on the same side with the rope ladder (101) are positioned above the climbing parts (10101);
Each mounting frame (2) is provided with a movable groove (2001); the rope ladder (101) is provided with a fixing part (10103), the movable groove (2001) and the fixing part (10103) are both rough surfaces, and the movable groove (2001) is in sliding connection with the fixing part (10103);
the protection system comprises a surrounding baffle (201); the front side and the rear side of the protector (3) are both rotatably connected with a surrounding baffle (201) through a rotating shaft; each surrounding baffle (201) is provided with a plurality of rollers (20101) for guiding the running direction of the vehicle;
Also comprises a connecting rod (103); a plurality of connecting rods (103) for preventing the rope ladder (101) from rotating are fixedly connected to the rope ladder (101), each connecting rod (103) is sleeved with an adjacent lifting hook, and the connecting part of the connecting rod (103) and the rope ladder (101) is positioned below the bending part of the rope ladder (101);
The part between the bending part on the upper part of the rope ladder (101) and the fixing part (10103) is provided with a connecting part (10102), and the connecting part (10102) is made of soft elastic materials.
2. The intelligent early warning apparatus with the protection function according to claim 1, wherein the protection system further comprises a magic tape (202); each surrounding baffle (201) is fixedly connected with a magic tape (202).
3. The intelligent early warning apparatus with the protection function according to claim 1, further comprising a roller (102); each mounting frame (2) is rotatably connected with a plurality of rollers (102).
4. The intelligent early warning apparatus with the protection function according to claim 1, further comprising a warning lamp (301); a camera (3001) is arranged on the protector (3); an alarm lamp (301) for warning constructors in the shaft is arranged on the mounting frame (2).
CN202410317516.2A 2024-03-20 Intelligent early warning device with protection function Active CN117904997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410317516.2A CN117904997B (en) 2024-03-20 Intelligent early warning device with protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410317516.2A CN117904997B (en) 2024-03-20 Intelligent early warning device with protection function

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Publication Number Publication Date
CN117904997A CN117904997A (en) 2024-04-19
CN117904997B true CN117904997B (en) 2024-06-07

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Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09177105A (en) * 1995-12-26 1997-07-08 Kanesou Kk Ladder for manhole
JPH10159116A (en) * 1996-11-27 1998-06-16 Maeta Concrete Ind Ltd Ladder and manhole with falling preventive tool for manhole
US6183042B1 (en) * 1998-12-21 2001-02-06 Albert W. Unrath Mobile apparatus for securely retrieving and placing markers on a surface and method therefor
CA2292295A1 (en) * 1999-12-15 2001-06-15 Larry Mihalicz Locking ground hole cover
JP2002004315A (en) * 2000-06-19 2002-01-09 Takeda Seisakusho:Kk Fall preventing device for manhole combined with ladder
JP2013072207A (en) * 2011-09-27 2013-04-22 Nok Corp Road sign pole
CN107254857A (en) * 2017-08-07 2017-10-17 刘勇 One kind indicates that the special three holes water horse of road traffic traffic route collects suspension bracket automatically
CN108643087A (en) * 2018-04-27 2018-10-12 成都天脉创想科技有限公司 A kind of traffic guard rail device
CN208981360U (en) * 2018-10-09 2019-06-14 淄博市规划设计研究院 A kind of heat distribution pipe network detection well
BR202019018786U2 (en) * 2019-09-10 2021-03-23 Atsushi Shimizu CONSTRUCTIVE ARRANGEMENT APPLIED IN INSULATION BARRIER AND SIGNALING OF AREAS
GB202101842D0 (en) * 2021-02-10 2021-03-24 Highway Resource Solutions Ltd A smart frame for roadworks signage
CN214035074U (en) * 2020-12-14 2021-08-24 刘丽娜 Safety device is used in civil construction
CN214363035U (en) * 2020-11-23 2021-10-08 郑州大学 Warning system of well lid
CN214994109U (en) * 2021-07-03 2021-12-03 中建二局土木工程集团有限公司 Automatic hydraulic pressure well lid of utility tunnel
CN215369134U (en) * 2021-07-30 2021-12-31 徐燕萍 Warning sign for municipal administration construction management
CN216276086U (en) * 2021-06-30 2022-04-12 刘海静 Municipal administration is with adjustable inspection shaft lid
CN216713112U (en) * 2021-12-24 2022-06-10 中建八局第二建设有限公司 Temporary well cover for road base construction
CN115324114A (en) * 2022-08-09 2022-11-11 湖南和为通信有限公司 Intelligent well lid monitoring system based on Internet of things architecture
CN116027690A (en) * 2023-03-31 2023-04-28 北京孚升益达科技发展有限公司 Intelligent well lid control system and application method thereof
CN219240212U (en) * 2023-04-18 2023-06-23 闫博儒 Road maintenance detection marking device
CN116645778A (en) * 2023-04-07 2023-08-25 赵剑 Early warning monitoring system for highway construction
CN116740900A (en) * 2023-08-15 2023-09-12 中铁七局集团电务工程有限公司武汉分公司 SVM-based power construction early warning method and system
CN219978943U (en) * 2023-05-23 2023-11-07 山东杰瑞交通服务开发有限公司 Road maintenance construction safety protection early warning host computer and system

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09177105A (en) * 1995-12-26 1997-07-08 Kanesou Kk Ladder for manhole
JPH10159116A (en) * 1996-11-27 1998-06-16 Maeta Concrete Ind Ltd Ladder and manhole with falling preventive tool for manhole
US6183042B1 (en) * 1998-12-21 2001-02-06 Albert W. Unrath Mobile apparatus for securely retrieving and placing markers on a surface and method therefor
CA2292295A1 (en) * 1999-12-15 2001-06-15 Larry Mihalicz Locking ground hole cover
JP2002004315A (en) * 2000-06-19 2002-01-09 Takeda Seisakusho:Kk Fall preventing device for manhole combined with ladder
JP2013072207A (en) * 2011-09-27 2013-04-22 Nok Corp Road sign pole
CN107254857A (en) * 2017-08-07 2017-10-17 刘勇 One kind indicates that the special three holes water horse of road traffic traffic route collects suspension bracket automatically
CN108643087A (en) * 2018-04-27 2018-10-12 成都天脉创想科技有限公司 A kind of traffic guard rail device
CN208981360U (en) * 2018-10-09 2019-06-14 淄博市规划设计研究院 A kind of heat distribution pipe network detection well
BR202019018786U2 (en) * 2019-09-10 2021-03-23 Atsushi Shimizu CONSTRUCTIVE ARRANGEMENT APPLIED IN INSULATION BARRIER AND SIGNALING OF AREAS
CN214363035U (en) * 2020-11-23 2021-10-08 郑州大学 Warning system of well lid
CN214035074U (en) * 2020-12-14 2021-08-24 刘丽娜 Safety device is used in civil construction
GB202101842D0 (en) * 2021-02-10 2021-03-24 Highway Resource Solutions Ltd A smart frame for roadworks signage
CN216276086U (en) * 2021-06-30 2022-04-12 刘海静 Municipal administration is with adjustable inspection shaft lid
CN214994109U (en) * 2021-07-03 2021-12-03 中建二局土木工程集团有限公司 Automatic hydraulic pressure well lid of utility tunnel
CN215369134U (en) * 2021-07-30 2021-12-31 徐燕萍 Warning sign for municipal administration construction management
CN216713112U (en) * 2021-12-24 2022-06-10 中建八局第二建设有限公司 Temporary well cover for road base construction
CN115324114A (en) * 2022-08-09 2022-11-11 湖南和为通信有限公司 Intelligent well lid monitoring system based on Internet of things architecture
CN116027690A (en) * 2023-03-31 2023-04-28 北京孚升益达科技发展有限公司 Intelligent well lid control system and application method thereof
CN116645778A (en) * 2023-04-07 2023-08-25 赵剑 Early warning monitoring system for highway construction
CN219240212U (en) * 2023-04-18 2023-06-23 闫博儒 Road maintenance detection marking device
CN219978943U (en) * 2023-05-23 2023-11-07 山东杰瑞交通服务开发有限公司 Road maintenance construction safety protection early warning host computer and system
CN116740900A (en) * 2023-08-15 2023-09-12 中铁七局集团电务工程有限公司武汉分公司 SVM-based power construction early warning method and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Evolution and application of in-seam drilling for gas drainage;Frank Hungerford;Ting Ren;Naj Aziz;;International Journal of Mining Science and Technology;20130715(04);76-86 *
人工挖孔桩的施工安全技术控制;刘冠杰;;工程技术研究;20180415(04);235-236 *

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