CN114045749B - Movable road and bridge detection device - Google Patents
Movable road and bridge detection device Download PDFInfo
- Publication number
- CN114045749B CN114045749B CN202111372810.6A CN202111372810A CN114045749B CN 114045749 B CN114045749 B CN 114045749B CN 202111372810 A CN202111372810 A CN 202111372810A CN 114045749 B CN114045749 B CN 114045749B
- Authority
- CN
- China
- Prior art keywords
- electromagnetic plate
- crack
- road
- screw rod
- bridge
- 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
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000004088 simulation Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 7
- 230000000474 nursing effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a movable road and bridge detection device which comprises a forklift, wherein an electromagnetic plate is fixed at the bottom of the forklift through bolts, hollow rods are uniformly fixed at the bottom of the electromagnetic plate, crack detection mechanisms capable of detecting the depth of cracks of a bridge road are arranged on the inner sides of the hollow rods, the crack detection mechanisms comprise lifting needles penetrating through the inner sides of the electromagnetic plate, metal blocks are fixed on the outer sides of the lifting needles, ejector rods are arranged on the left side and the right side of the upper part of the metal blocks, lamp closing starting mechanisms capable of turning on and lighting lamp belts at the top ends of the lifting needles are equidistantly arranged on the inner sides of the lower part of the electromagnetic plate, liquid boxes are arranged on the right sides of the electromagnetic plate, and image scanning mechanisms are arranged on the front sides and the right sides of the upper parts of the electromagnetic plate. According to the invention, the crack detection mechanism can effectively simulate the insertion depth of the bottom end of the lifting needle and the crack of the bridge road and the length of the crack, so that the overall practicability and convenience are improved.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to a movable road and bridge detection device.
Background
Along with the rapid development of modern traffic, roads and bridges are generally erected on water surfaces or above pedestrians and road surfaces to dredge people flow, so that the pedestrians and traffic are more convenient, and in order to better erect the roads and bridges, the roads and bridges generally comprise bridge deck structures, pier structures and support structures, and cracks usually appear on the road surfaces above the bridges due to the influence of long-time driving and external climates, so that the safety and durability of the bridges and the roads are greatly influenced, and therefore, the bridges need to be periodically subjected to crack detection and maintenance;
however, the existing road and bridge detection device still has defects when in use, such as:
1. the method is inconvenient to detect the crack depth of the road, so that maintenance personnel cannot accurately analyze the damage degree of the crack;
2. the method is inconvenient to carry out simulation detection and image scanning on the crack length of the road, so that a lot of inconvenience is brought to later-stage road nursing staff in the maintenance process of the road;
3. it still is inconvenient to carry out the position identification to the road crack to lead to the maintenance personal inconvenient quick finding crack, and then reduced later stage road nursing staff's work efficiency.
Therefore, it is necessary to provide a movable road and bridge detecting device to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a movable road and bridge detection device, which can effectively simulate the insertion depth of a lifting needle bottom end and a bridge road crack and the length of the crack through a crack detection mechanism so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable road and bridge detection device, includes fork truck, fork truck bottom is fixed with the electromagnetic plate through the bolt, just electromagnetic plate bottom evenly is fixed with hollow pole, hollow pole inboard is provided with the crack detection mechanism that can detect bridge road crack degree of depth, just crack detection mechanism is including running through electromagnetic plate inboard lift pin, the lift pin outside is fixed with the metal piece, just the ejector pin is all installed to metal piece top left and right sides, electromagnetic plate below inboard equidistance is provided with the lamp that can open the lamp area on lift pin top and turns on the light and close actuating mechanism, the liquid box is installed on the electromagnetic plate right side, just electromagnetic plate top front side and right side all are provided with image scanning mechanism.
Preferably, the first single guide valve is arranged at the bottom of the hollow rod in an array manner, and the first single guide valve faces downwards.
Preferably, the lamp turn-off starting mechanism comprises a power supply block fixed on the inner side below the electromagnetic plate, and a conductive ring is arranged above the power supply block through a push rod.
Preferably, the power supply block and the conducting ring are matched with a conducting wire to form a series circuit with the lamp strip at the top end of the lifting needle, and the lamp strip can be effectively turned on to lighten through the matching of the power supply block, the conducting ring and the conducting wire.
Preferably, a liquid inlet is formed in the upper portion of the liquid box, a connecting pipe is connected to the left side of the lower portion of the liquid box in a penetrating mode, and second single-item flow guide valves are arranged on the front inner side and the rear inner side of the connecting pipe through pipe fittings.
Preferably, the connecting pipe is connected with the hollow rod in a penetrating way through a pipe fitting, and the function of the connecting pipe is the same as that of the connecting pipe.
Preferably, the image scanning mechanism comprises a bearing connected with a first screw rod on the front side above the electromagnetic plate, the first screw rod is externally connected with a first scanner in a threaded manner, a bevel gear is fixed on the outer side of the right end of the first screw rod, a second screw rod is welded inside the rear side of the bevel gear, a second scanner is connected with the outer side of the second screw rod in a threaded manner, the design of the structure can effectively drive the first scanner and the second scanner to simultaneously move inside and outside through the rotation of the first screw rod and the second screw rod, and therefore the road crack route formed by the lamp strip is effectively scanned and archived.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the crack detection mechanism is arranged, the metal block can drive the lifting needle to slide downwards by the gravity of the metal block under the action of the loss of the demagnetizing force and fall into the root of the road crack, meanwhile, the conductive ring is in contact with the power block and is matched with the lamp strip connected in series with the upper end of the lifting needle, and the lamp strip with the luminous top end is driven to descend by the descending action of the lifting needle;
2. the image scanning mechanism is arranged, and the first and second scanners can be effectively driven to simultaneously move inwards and outwards by utilizing the effect that the first and second screws rotate simultaneously, so that compared with the existing movable road and bridge detection device, the device can scan and archive the crack lengths and depths of multiple formed lamp strip route simulations, thereby facilitating the accurate analysis and maintenance of later-stage road nursing staff;
2. according to the invention, the metal block, the hollow rod and the first single-item flow guide valve are arranged, and the fluorescent agent on the inner side of the hollow rod is matched with the first single-item flow guide valve to squeeze the inner side of the road crack by utilizing the downward movement effect of the metal block matched with the hollow rod, so that the fluorescent agent can effectively mark the road crack.
Drawings
FIG. 1 is a schematic diagram of a movable road and bridge detection apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the installation structure of the hollow rod and the connecting pipe shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 1A;
FIG. 4 is a schematic view of the installation structure of the electromagnetic plate and the lifting pin shown in FIG. 2;
FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 4;
fig. 6 is an enlarged schematic view of the structure at C shown in fig. 4.
In the figure: 1. a fork truck; 2. an electromagnetic plate; 3. a hollow rod; 301. a first single diverter valve; 4. a crack detection mechanism; 401. lifting needles; 402. a metal block; 403. a push rod; 5. a lamp turn-off starting mechanism; 501. a power supply block; 502. a conductive ring; 6. a liquid box; 601. a liquid inlet; 602. a connecting pipe; 603. a second single diverter valve; 7. an image scanning mechanism; 701. a first screw rod; 702. a first scanner; 703. a bevel gear; 704. a second screw rod; 705. and a second scanner.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, an embodiment of the present invention is provided: the utility model provides a portable road and bridge detection device, including fork truck 1, electromagnetic slab 2, hollow pole 3, first single diversion valve 301, crack detection mechanism 4, lift pin 401, metal piece 402, ejector pin 403, lamp closes actuating mechanism 5, power piece 501, conducting ring 502, liquid box 6, inlet 601, connecting pipe 602, second single diversion valve 603, image scanning mechanism 7, first lead screw 701, first scanner 702, conical gear 703, second lead screw 704 and second scanner 705, fork truck 1 bottom is fixed with electromagnetic slab 2 through the bolt, and electromagnetic slab 2 bottom evenly is fixed with hollow pole 3, hollow pole 3 inboard is provided with crack detection mechanism 4 that can detect bridge road crack depth, liquid box 6 is installed on electromagnetic slab 2 right side, and electromagnetic slab 2 top front side and right side all are provided with image scanning mechanism 7.
Example 1
Referring to fig. 1-6, the crack detection mechanism 4 includes a lifting pin 401 penetrating the inner side of the electromagnetic plate 2, a metal block 402 is fixed on the outer side of the lifting pin 401, push rods 403 are installed on the left and right sides above the metal block 402, a lamp turn-off starting mechanism 5 capable of turning on and off a lamp belt at the top end of the lifting pin 401 is equidistantly arranged on the inner side below the electromagnetic plate 2, a first single guide valve 301 is installed on the bottom array of the hollow rod 3, the first single guide valve 301 faces downwards, the lamp turn-off starting mechanism 5 includes a power supply block 501 fixed on the inner side below the electromagnetic plate 2, a conducting ring 502 is installed above the power supply block 501 through the push rods 403, the power supply block 501 and the conducting ring 502 cooperate with a conducting wire to form a series circuit with the lamp belt at the top end of the lifting pin 401, firstly, a fork truck 1 is turned on a bridge road through a professional inspector, then, the forklift 1 is started to drive the electromagnetic plate 2 and the hollow rod 3 to move downwards, so that the bottom of the hollow rod 3 is in contact with a bridge road, then the current of the electromagnetic plate 2 is cut off, when a road crack is met, the metal block 402 above the inner side of the hollow rod 3 loses the magnetic attraction of the electromagnetic plate 2, the lifting needle 401 is driven to slide downwards through the gravity of the metal block 402 and fall into the root of the road crack, meanwhile, the ejector rod 403 can be driven to be separated from the conducting ring 502 when the metal block 402 moves downwards, the conducting ring 502 is in contact with the power supply block 501, and a lamp strip connected with the upper end of the lifting needle 401 in series is matched with a wire, so that the lamp strip which is lighted at the top end of the lifting needle 401 can be effectively driven to descend through the descending effect of the lifting needle 401, and the insertion depth of the lifting needle 401 and the bridge road crack and the length of the crack can be effectively simulated.
Example 2
Referring to fig. 4 to 6, unlike embodiment 1, the following are adopted: the image scanning mechanism 7 comprises a first screw rod 701 which is connected with the front side above the electromagnetic plate 2 through a bearing, the outer side of the first screw rod 701 is in threaded connection with a first scanner 702, a conical gear 703 is fixed on the outer side of the right end of the first screw rod 701, a second screw rod 704 is welded inside the rear side of the conical gear 703, a second scanner 705 is in threaded connection with the outer side of the second screw rod 704, a servo motor on the left side of the electromagnetic plate 2 is started through a control button to drive the first screw rod 701 to drive the conical gear 703 and the second screw rod 704 to rotate simultaneously, the first scanner 702 and the second scanner 705 can be effectively driven to simultaneously move inwards and outwards through the rotation of the first screw rod 701 and the second screw rod 704, and therefore the formed lamp strip can be scanned and archived for simulated crack length and depth, and therefore accurate analysis and maintenance of later-stage road nursing staff are facilitated.
Example 3
Referring to fig. 2 and 4-6, the difference from embodiment 2 is that: the liquid box 6 top is provided with inlet 601, and liquid box 6 below left side through-connection has connecting pipe 602, the second single item diverter valve 603 is all installed through the pipe fitting to the inboard around connecting pipe 602, connecting pipe 602 is through pipe fitting and hollow pole 3, when metal piece 402 is moving downwards with hollow pole 3, still can extrude out with the fluorescent agent of hollow pole 3 inboard along first single item diverter valve 301, and fill in the crack inboard, make fluorescent agent effectually beat the road crack, thereby can be convenient for later stage road maintainer more accelerate find the road crack that needs to repair, so that not only improved maintainer's efficiency, can also be accurate to nursing repair each road crack of marking, after detection device detects certain road crack, at this moment, the inspection personnel opens electromagnetic plate 2 through control system, make electromagnetic plate 2 intercommunication electric current, resume magnetic force, then utilize metal piece 402 that the inside of hollow pole 3 was effectively with the inside decline of electromagnetic plate 2 upwards to inhale, utilize the effect that metal piece 402 upwards moved, can beat the road crack that the liquid box 6 is beaten to the first diversion valve 301 with the first single item diverter valve of the inboard has been used to detect the whole road crack, thereby convenient for detecting the road crack that has been convenient for 3 has been increased.
Working principle: as shown in fig. 1-6, a special inspector firstly opens a forklift 1 above a bridge road, then starts the forklift 1 to drive an electromagnetic plate 2 and a hollow rod 3 to move downwards, so that the bottom of the hollow rod 3 is in contact with the bridge road, then cuts off the current of the electromagnetic plate 2, when a road crack is met, a metal block 402 above the inner side of the hollow rod 3 loses the magnetic attraction of the electromagnetic plate 2, drives a lifting needle 401 to slide downwards through the gravity of the metal block 402 and fall into the root of the road crack, meanwhile, when the metal block 402 moves downwards, a push rod 403 can be driven to be separated from a conductive ring 502, the conductive ring 502 is in contact with a power supply block 501, and is matched with a lamp belt connected in series with a wire at the upper end of the lifting needle 401, so that the lamp belt which is lighted at the top end of the lifting needle is effectively driven to descend through the descending effect of the lifting needle 401, the depth of the insertion of the bottom end of the lifting needle 401 and the bridge road crack and the length of the crack can be effectively simulated, then a servo motor 701 on the left side of the electromagnetic plate 2 is driven by a control button to drive a first screw 701 to drive a conical gear and a second screw 701 to rotate and simultaneously rotate through a second screw 701 and a second screw 704, and a scanning machine 702 can be accurately scanned and a maintenance time can be analyzed, and a maintenance time can be easily analyzed after the first screw and second screw rod and 702 is simultaneously scanned and a maintenance time is moved by the second screw and a maintenance machine is convenient;
as shown in fig. 4-6, when the metal block 402 is matched with the hollow rod 3 to move downwards, the fluorescent agent on the inner side of the hollow rod 3 is also matched with the first single flow guide valve 301 to be extruded out and filled into the inner side of the crack, so that the fluorescent agent can be used for effectively marking the road crack, and further road maintenance personnel in the later stage can conveniently and rapidly find the road crack to be repaired, thereby improving the efficiency of the maintenance personnel and accurately nursing and repairing each marked road crack;
as shown in fig. 2 and 4-6, after the detection device detects a certain road crack, at this time, a detection person opens the electromagnetic plate 2 through the control system, so that the electromagnetic plate 2 is connected with current, magnetic force is recovered, then the metal block 402 which descends inside the hollow rod 3 is effectively sucked up through the magnetic force of the electromagnetic plate 2, and fluorescent agent inside the liquid box 6 can be guided to the inside of the hollow rod 3 by matching with the first single guide valve 301 and the second single guide valve 603 under the action of upward movement of the metal block 402, so that the use of the next road crack detection marking is facilitated, the integral convenience is improved, meanwhile, the ejector rod 403 can be driven to move upward by the action of upward movement of the metal block 402, and the conductive ring 502 is lifted up and separated from the power supply block 501, so that a lamp band at the top end of the lifting needle 401 is closed, which is the working principle of the scheme, and a series of works are completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. The utility model provides a portable road and bridge detection device, includes fork truck (1), its characterized in that: the utility model discloses a light strip inspection system, including fork truck, light strip, lifter, lamp strip, liquid box (6) are installed to the inboard crack detection mechanism (4) that can detect bridge road crack depth that is provided with of hollow pole (3), just crack detection mechanism (4) including running through lifter pin (401) inboard in fork truck (1) bottom is fixed with electromagnetic plate (2) through the bolt, lifter pin (401) outside is fixed with metal piece (402), just ejector pin (403) are all installed in metal piece (402) top left and right sides, lamp strip inboard below electromagnetic plate (2) equidistance is provided with lamp turn-on actuating mechanism (5) that can turn on the lamp strip on lifter pin (401) top, liquid box (6) are installed on electromagnetic plate (2) right side, just image scanning mechanism (7) that can scan archives are installed to the crack length and the depth of a plurality of fashioned lamp strip route simulations on the front side and the right side above electromagnetic plate (2);
a first single diversion valve (301) is arranged at the bottom of the hollow rod (3) in an array manner, and the first single diversion valve (301) faces downwards;
the lamp turn-off starting mechanism (5) comprises a power supply block (501) fixed on the inner side below the electromagnetic plate (2), and a conductive ring (502) is arranged above the power supply block (501) through a push rod (403);
the power supply block (501) and the conductive ring (502) are matched with a wire to form a series circuit with a lamp strip at the top end of the lifting needle (401);
a liquid inlet (601) is formed above the liquid box (6), a connecting pipe (602) is connected to the left side of the lower part of the liquid box (6) in a penetrating manner, and a second single guide valve (603) is arranged on the front inner side and the rear inner side of the connecting pipe (602) through pipes;
the connecting pipe (602) is connected with the hollow rod (3) in a penetrating way through a pipe fitting.
2. The movable road and bridge detection apparatus according to claim 1, wherein: the image scanning mechanism (7) comprises a first screw rod (701) which is connected with the front side above the electromagnetic plate (2) through a bearing, the outer side of the first screw rod (701) is connected with a first scanner (702) through threads, a conical gear (703) is fixed on the outer side of the right end of the first screw rod (701), a second screw rod (704) is welded inside the rear side of the conical gear (703), and a second scanner (705) is connected with the outer side of the second screw rod (704) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372810.6A CN114045749B (en) | 2021-11-18 | 2021-11-18 | Movable road and bridge detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372810.6A CN114045749B (en) | 2021-11-18 | 2021-11-18 | Movable road and bridge detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114045749A CN114045749A (en) | 2022-02-15 |
| CN114045749B true CN114045749B (en) | 2024-02-27 |
Family
ID=80210305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111372810.6A Active CN114045749B (en) | 2021-11-18 | 2021-11-18 | Movable road and bridge detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114045749B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1062149A (en) * | 1996-08-22 | 1998-03-06 | Nikon Corp | Defect inspection equipment |
| JPH11248688A (en) * | 1998-02-27 | 1999-09-17 | Kansai Electric Power Co Inc:The | Electromagnetic ultrasonic flaw detector |
| KR102091165B1 (en) * | 2019-04-09 | 2020-03-24 | 주식회사 한국건설방재연구원 | Apparatus for inspecting tunnel crack |
| CN111007009A (en) * | 2019-12-23 | 2020-04-14 | 济南工程职业技术学院 | Be applied to cracked detection device of bridge |
| CN210374946U (en) * | 2019-08-21 | 2020-04-21 | 武汉市市政建设集团有限公司 | Crack detection device for road and bridge |
| CN210831281U (en) * | 2019-11-13 | 2020-06-23 | 山西交院试验检测有限公司 | Road and bridge crack detection device |
| CN112227163A (en) * | 2020-10-13 | 2021-01-15 | 广州新程北斗信息科技有限公司 | Internet of vehicles road detection equipment |
| CN213396981U (en) * | 2020-11-24 | 2021-06-08 | 辽宁顺通装配建造有限责任公司 | Measuring device for detecting bridge crack width |
| CN113502785A (en) * | 2021-06-23 | 2021-10-15 | 山东黄河工程集团有限公司 | Hydraulic engineering dam body crack detection device |
| CN214408730U (en) * | 2021-02-27 | 2021-10-15 | 陈鹏 | Crack detection device for road and bridge |
| CN113585798A (en) * | 2021-07-20 | 2021-11-02 | 唐盛琴 | Ceramic tile crack repairing vehicle |
-
2021
- 2021-11-18 CN CN202111372810.6A patent/CN114045749B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1062149A (en) * | 1996-08-22 | 1998-03-06 | Nikon Corp | Defect inspection equipment |
| JPH11248688A (en) * | 1998-02-27 | 1999-09-17 | Kansai Electric Power Co Inc:The | Electromagnetic ultrasonic flaw detector |
| KR102091165B1 (en) * | 2019-04-09 | 2020-03-24 | 주식회사 한국건설방재연구원 | Apparatus for inspecting tunnel crack |
| CN210374946U (en) * | 2019-08-21 | 2020-04-21 | 武汉市市政建设集团有限公司 | Crack detection device for road and bridge |
| CN210831281U (en) * | 2019-11-13 | 2020-06-23 | 山西交院试验检测有限公司 | Road and bridge crack detection device |
| CN111007009A (en) * | 2019-12-23 | 2020-04-14 | 济南工程职业技术学院 | Be applied to cracked detection device of bridge |
| CN112227163A (en) * | 2020-10-13 | 2021-01-15 | 广州新程北斗信息科技有限公司 | Internet of vehicles road detection equipment |
| CN213396981U (en) * | 2020-11-24 | 2021-06-08 | 辽宁顺通装配建造有限责任公司 | Measuring device for detecting bridge crack width |
| CN214408730U (en) * | 2021-02-27 | 2021-10-15 | 陈鹏 | Crack detection device for road and bridge |
| CN113502785A (en) * | 2021-06-23 | 2021-10-15 | 山东黄河工程集团有限公司 | Hydraulic engineering dam body crack detection device |
| CN113585798A (en) * | 2021-07-20 | 2021-11-02 | 唐盛琴 | Ceramic tile crack repairing vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114045749A (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205741984U (en) | A kind of highway packaged type direction board | |
| CN114045749B (en) | Movable road and bridge detection device | |
| CN205402526U (en) | Novel street lamp convenient to change bulb | |
| KR102418706B1 (en) | Surveillance equipment ascending and descending apparatus | |
| CN112678733A (en) | Wind turbine generator system maintenance platform | |
| CN104776373A (en) | Streetlamp with lamp base capable of being movably lifted | |
| CN201233703Y (en) | Lifting advertisement board | |
| CN208501647U (en) | A kind of river floating garbage automatic collection device | |
| CN205685130U (en) | A kind of quick burr remover of bridge steel plate pipe | |
| CN116145545B (en) | Bridge bottom surface crack detection device | |
| CN210359174U (en) | Horizontal continuous casting machine does not demold automated inspection knocking device | |
| CN111719426A (en) | Guide tracked bridge inspection robot | |
| CN2468049Y (en) | Multi-pin roller magnaflux inspection machine | |
| CN212841170U (en) | Street lamp with monitoring device | |
| CN210601352U (en) | Lighting device for city planning | |
| CN220541020U (en) | Road street lamp convenient to overhaul | |
| CN219948207U (en) | Rail detection device for railway maintenance | |
| KR200271701Y1 (en) | elevator for bridge inspection | |
| CN217505453U (en) | Construction engineering quality detection equipment who uses night | |
| CN218203997U (en) | Warning device for highway bridge tunnel portal | |
| CN117666391B (en) | Automatic drainage control system and control method | |
| CN2180552Y (en) | Crossing barrier lamp bell automatic controller | |
| CN221223915U (en) | Water conservancy water level mark pole | |
| CN202522490U (en) | Expansibility testing device for rubber for sealing building expansion joints | |
| CN220456928U (en) | Ring main unit temperature and humidity monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |