CN115876693A - Bridge bottom crack detection system and detection method - Google Patents
Bridge bottom crack detection system and detection method Download PDFInfo
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- CN115876693A CN115876693A CN202211327204.7A CN202211327204A CN115876693A CN 115876693 A CN115876693 A CN 115876693A CN 202211327204 A CN202211327204 A CN 202211327204A CN 115876693 A CN115876693 A CN 115876693A
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Abstract
The invention discloses a bridge bottom crack detection system and a detection method, belonging to the technical field of bridge detection, and the bridge bottom crack detection system comprises two groups of clamping plates, wherein the side walls of the two groups of clamping plates are fixedly connected with fixing plates, and the bridge bottom crack detection system also comprises: the connecting plate is connected to the bottoms of the fixing plates, a first guide wheel is rotatably connected to the connecting plate, a steel wire rope is connected between the two groups of fixing plates, and the steel wire rope is attached to the steel wire rope; the movable box is rotatably connected with a roller, a third motor is fixedly connected to the movable box, and the output end of the third motor is fixedly connected with the roller; the movable box is placed on the steel wire rope, the movable box is driven to move on the steel wire rope, detection is carried out through the detection probe, then a worker does not need to take a hanging basket of the bridge detection vehicle, then the detection is carried out through the handheld detection probe, and therefore the fact that a technician works at the high altitude for a long time is avoided, and safety is guaranteed.
Description
Technical Field
The invention relates to the technical field of bridge detection, in particular to a system and a method for detecting a crack on the bottom surface of a bridge.
Background
In the current society, with the increase of traffic volume, the development of bridge construction in China is increasing day by day, and many newly-built bridges often have some natural diseases and defects of bridge structures, so that traffic accidents occur. Therefore, in order to ensure that the bridge can be operated safely, the bridge needs to be detected, and the main reasons of the defects and the damages are clarified by checking the current technical condition and the nature, the part, the severity and the development trend of the damages of the bridge, so that the defects and the damages of the bridge can be more accurately analyzed and evaluated.
When detecting the bridge, whether the crack appears on the bottom surface of the bridge is an important item in the detection link, and on the market at present, the existing bridge bottom surface crack detection system detects the bottom surface of the bridge, the detection device cannot automatically move at the bottom of the bridge, a worker needs to take a hanging basket of a bridge detection vehicle, the hanging basket is adjusted to enter the bottom of the bridge through a hanging arm, then the detection probe is held by hands, the detection is carried out by moving the hanging basket, the detection method needs the worker to operate at high altitude for a long time, the vehicle needs to move in the process of detecting the bridge with longer length, the hanging basket can shake when the vehicle moves, the falling of the worker is easily caused, and thus safety accidents are caused.
Disclosure of Invention
The invention aims to solve the problem that a detection device cannot automatically move at the bottom of a bridge in the prior art, and provides a bridge bottom surface crack detection system and a detection method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bridge bottom surface crack detecting system, includes the cardboard, the cardboard is two sets of, and is two sets of the equal fixedly connected with fixed plate of cardboard lateral wall still includes: the connecting plate is connected to the bottoms of the fixing plates, a first guide wheel is rotatably connected to the connecting plate, a steel wire rope is connected between the two groups of fixing plates, and the steel wire rope is attached to the steel wire rope; the movable box is rotatably connected with a roller, a third motor is fixedly connected to the movable box, and the output end of the third motor is fixedly connected with the roller; the device comprises a second sliding plate which is slidably connected in the movable box, and a second electric telescopic rod which is fixedly connected in the movable box, wherein the output end of the second electric telescopic rod is fixedly connected with the second sliding plate, and the second sliding plate is fixedly connected with a detection probe.
Preferably, the method further comprises the following steps: the air pump is fixedly connected in the movable box, and the first spray head is fixedly connected to the top of the movable box; a first pipeline is connected between the output end of the air pump and the first spray head; the bottom of the movable box is provided with a breathable net.
Preferably, a transparent cover is fixedly connected to the second sliding plate, and the detection probe is located in the transparent cover.
Preferably, the method further comprises the following steps: the reciprocating screw rod is rotatably connected to the top of the transparent cover, a moving plate is connected to the reciprocating screw rod in a threaded mode, a hairbrush is arranged at the bottom of the moving plate, and the hairbrush is attached to the top of the transparent cover; the hollow cavity is fixedly connected to the side wall of the transparent cover, one end of the reciprocating screw rod extends into the hollow cavity, and the impeller is fixedly connected with the reciprocating screw rod; one end of the first pipeline, which is far away from the air pump, is communicated with the hollow cavity, and a second pipeline is connected between the hollow cavity and the first spray head; and the second guide rod is fixedly connected to the top of the transparent cover, and the moving plate slides on the second guide rod.
Preferably, the spray head device further comprises a second spray head arranged at the bottom of the moving plate, and a third pipeline is connected between the second spray head and the second pipeline.
Preferably, the method further comprises the following steps: the output end of the second electric telescopic rod is fixedly connected with the bottom of the first sliding plate; a pressure sensor is arranged on the first sliding plate, and a spring is connected between the pressure sensor and the second sliding plate; and the third guide rod is fixedly connected to the bottom of the second sliding plate, and the first sliding plate slides on the third guide rod.
Preferably, a second motor is fixedly connected to one group of the fixing plates, a winding reel is fixedly connected to an output end of the second motor, and one end of the steel wire rope is fixed to the winding reel; and a hook is arranged at the bottom of the other group of fixing plates, and one end of the steel wire rope far away from the winding reel is fixedly connected with a circular ring.
Preferably, the bottoms of the two groups of fixing plates are fixedly connected with first electric telescopic rods, and the output ends of the first electric telescopic rods are fixedly connected with the connecting plate; a first guide rod is fixedly connected to the connecting plate and is in sliding connection with the fixing plate; the connecting plate is rotatably connected with a second guide wheel, and the steel wire rope is positioned between the first guide wheel and the second guide wheel.
Preferably, the clamping plate is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a driving wheel; the inner wall of the top of the clamping plate is rotatably connected with a roller.
A bridge bottom crack detection method adopts the following steps:
s1, fixing clamping plates on two sides of a bridge body, hanging one end of a steel wire rope on a hook through a ring, and adjusting the height of the steel wire rope through a first electric telescopic rod; s2, detecting the bottom of the bridge body through the detection probe, and automatically moving through a third motor; s3, in the detection process, starting the air pump, and removing dust from the bottom of the bridge body through the first spray head; s4, during dust removal, the impeller is driven to rotate by utilizing the airflow, so that the brush is driven to reciprocate, and the transparent cover is cleaned of dust; and S5, after the gas generated by the gas pump passes through the impeller, part of the gas is sprayed out through the second spray head and is matched with the hairbrush, so that the quality of cleaning dust is improved.
Compared with the prior art, the invention provides a bridge bottom crack detection system and a detection method, which have the following beneficial effects:
1. this bridge bottom surface crack detecting system, when needing to detect, with the cardboard card on the bridge baffle of bridge body both sides, place the movable box on wire rope, the drive movable box moves on wire rope, at the in-process that removes, detect through test probe, and then do not need personnel to take the hanging flower basket of bridge detection car, adjust through the davit and get into the bridge bottom, then handheld test probe detects, and then avoided technical staff to carry out the operation at the high altitude for a long time, and then guaranteed the security.
2. According to the bridge bottom crack detection system, before the air flow generated by the air pump is sprayed out through the first spray head, the air flow firstly passes through the hollow cavity to drive the impeller to rotate, so that the reciprocating screw is driven to rotate, under the action of the reciprocating screw, the movable plate reciprocates, and then dust attached to the top of the transparent cover is removed through the brush, so that the light transmission is guaranteed.
3. This bridge bottom surface crack detecting system, at the testing process, if there is great thing that falls to pound the translucent cover, at this moment, the translucent cover can drive the automatic downstream of test probe, and compression spring, the pressure value when pressure sensor feedback exceeds the safe numerical value of regulation, and the detection is stopped immediately to the standing horse, avoids hindering test probe.
Drawings
FIG. 1 is a schematic structural diagram of a bridge bottom crack detection system according to the present invention;
fig. 2 is a schematic structural diagram of a fixing plate of the bridge bottom crack detection system provided by the invention;
FIG. 3 is a schematic structural diagram of a connecting plate of a bridge bottom crack detection system according to the present invention;
FIG. 4 is a schematic view of a partial structure of the bridge bottom crack detection system of FIG. 1 according to the present invention;
FIG. 5 is a schematic structural diagram of a mobile box of a bridge bottom crack detection system according to the present invention;
FIG. 6 is a schematic structural diagram of a detection probe of the bridge bottom crack detection system provided by the invention;
FIG. 7 is an enlarged view of portion A of FIG. 6 of a bridge bottom crack detection system in accordance with the present invention;
FIG. 8 is a schematic structural diagram of an impeller of the bridge bottom crack detection system provided by the present invention;
fig. 9 is a schematic structural view of a moving plate of the bridge bottom crack detection system provided by the invention.
In the figure: 1. a bridge body; 101. bridge baffle plates; 2. clamping a plate; 201. a first motor; 202. a drive wheel; 203. a roller; 3. a fixing plate; 301. a first electric telescopic rod; 302. a connecting plate; 303. a first guide bar; 4. a second motor; 401. a bobbin; 402. a wire rope; 403. a first guide wheel; 404. a second guide wheel; 405. a circular ring; 406. hooking; 5. a mobile box; 501. a roller; 502. a third motor; 6. a second electric telescopic rod; 601. a first sliding plate; 602. a pressure sensor; 603. a spring; 604. a second sliding plate; 605. a third guide bar; 606. a stabilizing plate; 7. a transparent cover; 701. detecting a probe; 8. an air pump; 801. a breathable net; 802. a first conduit; 803. a first nozzle; 804. a second pipe; 9. a reciprocating screw; 901. a hollow cavity; 902. an impeller; 903. a second guide bar; 904. a chute; 10. moving the plate; 1001. a brush; 1002. a second spray head; 1003. a third pipeline; 11. and (4) a storage battery.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-9, a bridge bottom surface crack detection system, including cardboard 2, cardboard 2 is two sets of, and two sets of cardboard 2 block respectively on the bridge baffle 101 of 1 both sides of bridge body, and the equal fixedly connected with fixed plate 3 of 2 lateral walls of two sets of cardboards still includes: the connecting plate 302 connected at the bottom of the fixing plate 3 is connected with a first guide wheel 403 in a rotating manner, a steel wire rope 402 is connected between the two groups of fixing plates 3, the steel wire rope 402 is attached to the steel wire rope 402, and the direction of the steel wire rope 402 is changed through the first guide wheel 403.
As shown in fig. 2, 3 and 5, two steel wire ropes 402 are provided, the moving box 5 is rotatably connected with rollers 501, the moving box 5 is fixedly connected with a third motor 502, an output end of the third motor 502 is fixedly connected with the rollers 501, two sets of rollers 501 are provided, one set of two steel wire ropes 402 and one set of two sets of rollers 502 are provided, and the two sets of rollers 501 are respectively driven by two sets of the third motors 502.
The second sliding plate 604 is slidably connected in the movable box 5, the second electric telescopic rod 6 is fixedly connected in the movable box 5, the output end of the second electric telescopic rod 6 is fixedly connected with the second sliding plate 604, and the detection probe 701 is fixedly connected on the second sliding plate 604.
When detection is needed, the clamping plates 2 are clamped on the bridge baffle 101 on two sides of the bridge body 1, then the steel wire ropes 402 are connected through a hanging basket and located at the bottom of the bridge body 1, when the detection is needed, the movable box 5 is placed on the steel wire ropes 402, the second electric telescopic rod 6 is started, the detection probe 701 is extended out of the movable box 5, then the third motor 502 is started, the movable box 5 is driven to move on the steel wire ropes 402, detection is carried out through the detection probe 701 in the moving process, when the bridge body 1 moves from one side to the other side, at the moment, a worker moves the clamping plates 2 on the bridge body 1 manually, enables the clamping plates to move forwards on the bridge baffle 101, then the movable box 5 is driven to move forwards through the steel wire ropes 402, the position of the movable box 5 is adjusted, then the third motor 502 rotates reversely, the movable box 5 moves reversely, detection of different positions of the bridge body 1 is achieved, detection of each region at the bottom of the bridge body 1 is achieved, detection of the bridge is achieved, further, the bridge taking of the detection vehicle is achieved without the bridge, the bridge enters the bottom of the detection vehicle through the hanging arm adjustment, detection probe 701, detection is achieved, detection, further, technical personnel are prevented from working at high altitude, and safety of the hanging basket is guaranteed, and long-time safety of the hanging basket is achieved.
As shown in fig. 5, the wire rope 402 is inserted from the bottom of the roller 501 and can only move at the bottom of the roller 501, thereby preventing the mobile box 5 from accidentally falling off during the moving process.
The mobile box 5 is internally provided with a storage battery 11 for supplying power to the used electric equipment.
As shown in fig. 6, the system for detecting a crack on a bridge bottom of the present embodiment further includes: an air pump 8 fixedly connected in the movable box 5, and a first spray head 803 fixedly connected to the top of the movable box 5; a first pipeline 802 is connected between the output end of the air pump 8 and the first spray head 803; the bottom of the moving box 5 is provided with a ventilation net 801.
When the movable box 5 moves and the detection is performed through the detection probe 701, the air pump 8 is synchronously started, the generated air flow is sprayed out through the first spray head 803 and sprayed to the bottom of the bridge body 1, dust attached to the bottom of the bridge body 1 is removed, and the detection data is prevented from being mistaken.
As shown in fig. 6, the two first nozzles 803 are distributed on the left and right sides of the detection probe 701, so that when the movable box 5 moves, whether it moves to the left or right, dust can be removed first, and then detection can be performed.
The transparent cover 7 is fixedly connected to the second sliding plate 604, and the detection probe 701 is located in the transparent cover 7.
Example 2:
referring to fig. 1 to 9, the overall technical solution is further optimized on the basis of embodiment 1, basically the same as embodiment 1.
The bridge bottom crack detection system of this embodiment still includes: a reciprocating screw 9 connected to the top of the transparent cover 7 in a rotating manner, a moving plate 10 is connected to the reciprocating screw 9 in a threaded manner, a brush 1001 is arranged at the bottom of the moving plate 10, and the brush 1001 is attached to the top of the transparent cover 7;
the air pump is fixedly connected with a hollow cavity 901 in the side wall of the transparent cover 7, one end of the reciprocating screw 9 extends into the hollow cavity 901, the impeller 902 is fixedly connected with the hollow cavity 901, the impeller 902 is arranged in the hollow cavity 901, one end of the first pipeline 802, which is far away from the air pump 8, is communicated with the hollow cavity 901, and a second pipeline 804 is connected between the hollow cavity 901 and the first spray head 803; a second guide rod 903 fixedly connected to the top of the transparent cover 7, and the moving plate 10 slides on the second guide rod 903.
Before being sprayed out through the first nozzle 803, the air flow generated by the air pump 8 firstly passes through the hollow cavity 901, drives the impeller 902 to rotate, and further drives the reciprocating screw 9 to rotate, and under the action of the reciprocating screw 9, the moving plate 10 reciprocates, and further removes dust attached to the top of the transparent cover 7 through the brush 1001, thereby ensuring light transmission.
As shown in fig. 5, the reciprocating screw 9 is located at one side of the transparent cover 7.
As shown in fig. 6, 7, and 9, the bridge bottom crack detection system of this embodiment further includes a second nozzle 1002 disposed at the bottom of the moving plate 10, and a third pipe 1003 is connected between the second nozzle 1002 and the second pipe 804.
When the air flow enters the first nozzle 803, a part of the air flow enters the second nozzle 1002 through the third pipe 1003, and then is sprayed out to be matched with the brush 1001 which moves in a reciprocating manner, so that the dust removing efficiency is improved.
Example 3:
referring to fig. 1 to 9, the overall technical solution is further optimized on the basis of the embodiment 2, which is basically the same as the embodiment 2.
The bridge bottom crack detection system of this embodiment still includes: the first sliding plate 601 is connected in the movable box 5 in a sliding manner, and the output end of the second electric telescopic rod 6 is fixedly connected with the bottom of the first sliding plate 601; a pressure sensor 602 is arranged on the first sliding plate 601, and a spring 603 is connected between the pressure sensor 602 and the second sliding plate 604; a third guide bar 605 fixedly coupled to the bottom of the second sliding plate 604, and the first sliding plate 601 slides on the third guide bar 605.
In the detection process, if a large falling object smashes the transparent cover 7, at the moment, the transparent cover 7 drives the detection probe 701 to automatically move downwards, the spring 603 is compressed, and when the pressure value fed back by the pressure sensor 602 exceeds a specified safety value, the detection is stopped immediately, so that the detection probe 701 is prevented from being injured.
A stabilizing plate 606 is fixedly connected in the movable box 5, and the third guide rod 605 slides on the stabilizing plate 606 to ensure the stability of the downward movement of the transparent cover 7.
The side wall of the movable box 5 is also provided with a sliding groove 904, and when the transparent cover 7 moves downwards, the reciprocating screw 9 can move into the sliding groove 904 to avoid mutual interference.
As shown in fig. 2 to 4, a second motor 4 is fixedly connected to one of the fixing plates 3, a bobbin 401 is fixedly connected to an output end of the second motor 4, one end of the steel wire rope 402 is fixed to the bobbin 401, two second motors 4 and two bobbins 401 are provided to respectively control the two steel wire ropes 402, a hook 406 is provided at the bottom of the other fixing plate 3, a ring 405 is fixedly connected to one end of the steel wire rope 402 far from the bobbin 401, and the ring 405 can pass through the bottom of the roller 501.
In operation, the ring 405 is pulled to pass through the bottom of the first guide wheel 403 and the roller 501, then the ring is hung on the hook 406, and then the wire rope 402 is tightened by the second motor 4, so that the movable box 5 can move on the wire rope 402.
The bottoms of the two groups of fixing plates 3 are fixedly connected with first electric telescopic rods 301, and the output ends of the first electric telescopic rods 301 are fixedly connected with a connecting plate 302; the connecting plate 302 is fixedly connected with a first guide rod 303, and the first guide rod 303 is slidably connected with the fixing plate 3.
Through first electric telescopic handle 301, can adjust the connecting plate 302 height in a flexible way, and then can be according to the actual conditions of bridge body 1, adjust wire rope 402 height in a flexible way.
A second guide wheel 404 is rotatably connected to the connection plate 302, and the steel cable 402 is positioned between the first guide wheel 403 and the second guide wheel 404.
The ring 405 may pass between the first guide pulley 403 and the second guide pulley 404, and the first guide pulley 403 and the second guide pulley 404 may limit the position of the wire 402, thereby preventing the wire 402 from being detached from the connecting plate 302.
A first motor 201 is fixedly connected to the clamping plate 2, and the output end of the first motor 201 is fixedly connected with a driving wheel 202; the inner wall of the top of the clamping plate 2 is rotatably connected with a roller 203.
As shown in fig. 4, the driving wheel 202 is located inside the bridge baffle 101, when the steel cable 402 is tensioned, the clamping plate 2 is forced to move outwards, and at this time, the driving wheel 202 can be attached to the inner side wall of the bridge baffle 101, in the detection process, when the clamping plate 2 needs to be moved, the first motor 201 is started, and the driving wheel 202 is attached to the inner side of the bridge baffle 101, and the first motor and the second motor interact with each other to move.
Example 4:
a bridge bottom crack detection method adopts the following steps:
s1, fixing clamping plates 2 on two sides of a bridge body 1, hanging one end of a steel wire rope 402 on a hook 406 through a circular ring 405, and adjusting the height of the steel wire rope 402 through a first electric telescopic rod 301; s2, detecting the bottom of the bridge body 1 through the detection probe 701, and automatically moving through the third motor 502; s3, in the detection process, starting the air pump 8, and removing dust from the bottom of the bridge body 1 through the first spray head 803; s4, during dust removal, the impeller 902 is driven to rotate by utilizing the airflow, and then the brush 1001 is driven to reciprocate, so that dust is cleaned from the transparent cover 7;
s5, after the air generated by the air pump 8 passes through the impeller 902, part of the air is sprayed out through the second spray head 1002 and is matched with the brush 1001, and the quality of cleaning dust is improved.
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 as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a bridge bottom surface crack detecting system, includes cardboard (2), cardboard (2) are two sets of, and are two sets of cardboard (2) equal fixedly connected with fixed plate (3) of lateral wall, its characterized in that still includes:
the connecting plate (302) is connected to the bottoms of the fixing plates (3), a first guide wheel (403) is connected to the connecting plate (302) in a rotating mode, a steel wire rope (402) is connected between the two groups of fixing plates (3), and the steel wire rope (402) is attached to the steel wire rope (402);
the device comprises a movable box (5), wherein a roller (501) is connected to the movable box (5) in a rotating mode, a third motor (502) is fixedly connected to the movable box (5), and the output end of the third motor (502) is fixedly connected with the roller (501);
the device comprises a second sliding plate (604) which is slidably connected in the movable box (5), and a second electric telescopic rod (6) which is fixedly connected in the movable box (5), wherein the output end of the second electric telescopic rod (6) is fixedly connected with the second sliding plate (604), and the second sliding plate (604) is fixedly connected with a detection probe (701).
2. The bridge floor crack detection system of claim 1 further comprising:
the air pump (8) is fixedly connected in the movable box (5), and the first spray head (803) is fixedly connected to the top of the movable box (5);
a first pipeline (802) is connected between the output end of the air pump (8) and the first spray head (803);
the bottom of the movable box (5) is provided with a breathable net (801).
3. The bridge bottom crack detection system of claim 2 wherein a transparent cover (7) is fixedly connected to the second sliding plate (604), and the detection probe (701) is located in the transparent cover (7).
4. The bridge floor crack detection system of claim 3 further comprising:
the reciprocating screw (9) is rotatably connected to the top of the transparent cover (7), a moving plate (10) is in threaded connection with the reciprocating screw (9), a hairbrush (1001) is arranged at the bottom of the moving plate (10), and the hairbrush (1001) is attached to the top of the transparent cover (7);
the hollow cavity (901) is fixedly connected to the side wall of the transparent cover (7), one end of the reciprocating screw (9) extends into the hollow cavity (901), and is fixedly connected with an impeller (902);
one end of the first pipeline (802) far away from the air pump (8) is communicated with the hollow cavity (901), and a second pipeline (804) is connected between the hollow cavity (901) and the first spray head (803);
and the second guide rod (903) is fixedly connected to the top of the transparent cover (7), and the moving plate (10) slides on the second guide rod (903).
5. The bridge bottom crack detection system according to claim 4, further comprising a second spray head (1002) arranged at the bottom of the moving plate (10), wherein a third pipeline (1003) is connected between the second spray head (1002) and the second pipeline (804).
6. The bridge floor crack detection system of claim 1 further comprising:
the first sliding plate (601) is connected in the movable box (5) in a sliding mode, and the output end of the second electric telescopic rod (6) is fixedly connected with the bottom of the first sliding plate (601);
a pressure sensor (602) is arranged on the first sliding plate (601), and a spring (603) is connected between the pressure sensor (602) and the second sliding plate (604);
and a third guide bar (605) fixedly connected to the bottom of the second sliding plate (604), wherein the first sliding plate (601) slides on the third guide bar (605).
7. The bridge bottom crack detection system according to claim 1, wherein a second motor (4) is fixedly connected to one set of the fixing plates (3), a winding drum (401) is fixedly connected to an output end of the second motor (4), and one end of the steel wire rope (402) is fixed to the winding drum (401);
and a hook (406) is arranged at the bottom of the other group of fixing plates (3), and one end, far away from the winding drum (401), of the steel wire rope (402) is fixedly connected with a circular ring (405).
8. The bridge bottom crack detection system according to claim 1, characterized in that the bottoms of the two sets of fixing plates (3) are fixedly connected with a first electric telescopic rod (301), and the output end of the first electric telescopic rod (301) is fixedly connected with a connecting plate (302);
a first guide rod (303) is fixedly connected to the connecting plate (302), and the first guide rod (303) is connected with the fixing plate (3) in a sliding manner;
and a second guide wheel (404) is rotatably connected to the connecting plate (302), and the steel wire rope (402) is positioned between the first guide wheel (403) and the second guide wheel (404).
9. The bridge bottom crack detection system according to claim 1, characterized in that a first motor (201) is fixedly connected to the clamping plate (2), and an output end of the first motor (201) is fixedly connected with a driving wheel (202);
the inner wall of the top of the clamping plate (2) is rotatably connected with a roller (203).
10. A bridge bottom crack detection method, comprising the bridge bottom crack detection system of any one of claims 1-9, characterized by comprising the following steps:
s1, fixing clamping plates (2) on two sides of a bridge body (1), hanging one end of a steel wire rope (402) on a hook (406) through a circular ring (405), and adjusting the height of the steel wire rope (402) through a first electric telescopic rod (301);
s2, detecting the bottom of the bridge body (1) through a detection probe (701), and automatically moving through a third motor (502);
s3, in the detection process, starting an air pump (8) and removing dust from the bottom of the bridge body (1) through a first spray head (803);
s4, during dust removal, the impeller (902) is driven to rotate by utilizing the airflow, and then the brush (1001) is driven to reciprocate to clean dust from the transparent cover (7);
s5, after the air generated by the air pump (8) passes through the impeller (902), part of the air is sprayed out through the second spray head (1002) and is matched with the brush (1001), so that the quality of cleaning dust is improved.
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| CN202211327204.7A CN115876693A (en) | 2022-10-25 | 2022-10-25 | Bridge bottom crack detection system and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368102A (en) * | 2023-08-28 | 2024-01-09 | 中国铁路广州局集团有限公司 | Bridge crack measuring device for bridge engineering and application method thereof |
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- 2022-10-25 CN CN202211327204.7A patent/CN115876693A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368102A (en) * | 2023-08-28 | 2024-01-09 | 中国铁路广州局集团有限公司 | Bridge crack measuring device for bridge engineering and application method thereof |
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Application publication date: 20230331 |