CN116905350A - Bridge crack detection device with stabilizing function - Google Patents
Bridge crack detection device with stabilizing function Download PDFInfo
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- CN116905350A CN116905350A CN202311180814.3A CN202311180814A CN116905350A CN 116905350 A CN116905350 A CN 116905350A CN 202311180814 A CN202311180814 A CN 202311180814A CN 116905350 A CN116905350 A CN 116905350A
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- 238000001514 detection method Methods 0.000 title claims abstract description 143
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 52
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000017105 transposition Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention relates to the technical field of bridge maintenance, in particular to a bridge crack detection device with a stabilizing function. Including detecting the car, detect the car and install the arm, the arm rotates and is connected with the detection platform, and the bridge is provided with the roof beam and strides and the bent cap, the arm rigid coupling has the elastic expansion link, the elastic expansion link rotates and is connected with the movable block, the movable block rigid coupling has first gag lever post, it has L shape pole to detect a sliding connection, it has the extrusion piece to detect a sliding connection, it is provided with electronic slide rail to detect the platform, electronic slide rail sliding connection has electronic slider, electronic slider is provided with the movable rod, the movable rod rotates and is connected with infrared detector. According to the bridge detection device, the L-shaped rod is matched with the extrusion block to extrude the beam span, so that the mechanical arm and the detection table are firmer, and the mechanical arm and the detection table are prevented from shaking in windy weather, and the detection of the bridge by the infrared detector is affected.
Description
Technical Field
The invention relates to the technical field of bridge maintenance, in particular to a bridge crack detection device with a stabilizing function.
Background
In the use process of the bridge, the bridge needs to be maintained regularly, the occurrence of cracks of the bridge is avoided, the safety risk is generated, the existence position of the cracks of the bridge needs to be known firstly during maintenance, the cracks of the bridge are detected, and the problem of the cracks in the bridge structure is found.
When detecting bridge cracks, manual detection is generally required, safety risks exist, the bridge spans and the bent cap cannot be detected simultaneously in the detection process, detection efficiency is low, and in windy weather, the detection maintenance device can shake to cause inaccurate detection and influence judgment and maintenance of the cracks.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides a bridge crack detection device with a stabilizing function.
The technical proposal is as follows: the utility model provides a bridge crack detection device with stable function, including detecting the car, the arm is installed to the detection car, the arm rotates and is connected with the detection platform, install control panel in the detection car, the bridge is provided with the roof beam and strides and the bent cap, the arm rigid coupling has the elasticity telescopic link, the elasticity telescopic link rotates and is connected with the movable block, the movable block is provided with the ventilation hole, the movable block rigid coupling has first gag lever post, detection platform sliding connection has L shape pole, L shape pole with first gag lever post limit fit, detection platform sliding connection has the extrusion piece, the extrusion piece with the rigid coupling has the spring between the detection platform, the detection platform is provided with symmetrical arrangement's electronic slide rail, electronic slide rail sliding connection has electronic slider, electronic slider is provided with the movable rod, the movable rod rotates and is connected with infrared detector, infrared detector is provided with the camera lens, the detection platform is provided with transposition subassembly.
Preferably, the air inlet of the ventilation hole has a lower level than the air outlet of the ventilation hole, so that the air drives the movable block to move downwards.
Preferably, a one-way valve is arranged in the vent hole to prevent wind from driving the movable block to move upwards.
Preferably, the cross section of the movable block is in an equilateral trapezoid, and the movable block is used for rotating along with the change of the wind direction.
Preferably, the mechanical arm is slidably connected with a guide rod, a spring is fixedly connected between the guide rod and the mechanical arm, the guide rod is rotationally connected with an extrusion wheel, and the extrusion wheel is attached to the beam span.
Preferably, the transposition assembly comprises symmetrically arranged guide blocks, the symmetrically arranged guide blocks are slidably connected to the detection table, the guide blocks are rotationally connected with reciprocating screw rods, the reciprocating screw rods are in threaded fit with adjacent movable rods, first gears are fixedly connected with the reciprocating screw rods, the detection table is slidably connected with first racks which are symmetrically arranged, the first racks are matched with the adjacent first gears, the infrared detector is fixedly connected with second gears, the electric sliding block is provided with a first transmission member, the detection table is fixedly connected with second racks which are symmetrically arranged, and the second racks are matched with the adjacent second gears through the adjacent first transmission members.
Preferably, the detection table is slidably connected with a third rack which is symmetrically arranged, the third rack is matched with the adjacent first gear, the detection table is slidably connected with a push rod which is symmetrically arranged, the push rod is fixedly connected with the adjacent third rack, tension springs are fixedly connected between the push rod which is symmetrically arranged and the detection table, the push rod is matched with the adjacent bent cap, a mounting plate which is symmetrically arranged is slidably connected inside the detection table, a spring is fixedly connected between the mounting plate and the detection table, the mounting plate is fixedly connected with the adjacent first rack, a fourth rack is fixedly connected with the mounting plate, a wedge block which is symmetrically arranged is slidably connected between the detection table and the mounting plate, and a second transmission piece is arranged between the detection table and the mounting plate which is symmetrically arranged, and the wedge block is in transmission connection with the adjacent mounting plate through the adjacent fourth rack and the second transmission piece.
Preferably, the wedge block is in limit fit with the adjacent electric sliding block, and when the first gear is meshed with the adjacent third rack, the electric sliding block is in contact with the wedge block.
Preferably, the detection table is slidably connected with a symmetrically arranged connecting rod, the push rod is slidably connected with a second limiting rod, a spring is fixedly connected between the second limiting rod and the adjacent push rod, the connecting rod is provided with a limiting hole which is in limiting fit with the second limiting rod and is adjacent to the second limiting rod, a fixing plate is fixedly connected with the connecting rod, a spring is fixedly connected between the fixing plates and is adjacent to the connecting rod, the detection table is slidably connected with a symmetrically arranged extrusion rod, the extrusion rod is provided with an inclined plane which is in limiting fit with the adjacent electric sliding block, the extrusion rod is fixedly connected with an extrusion plate, and a spring is fixedly connected between the extrusion plate and the detection table.
Preferably, the extrusion plate is provided with an inclined plane in limit fit with the adjacent fixed plate, and the inclined plane is used for enabling the second limiting rod to release limit on the adjacent connecting rod.
The beneficial effects of the invention are as follows: 1. according to the invention, the adjacent movable rods are driven to move up and down by the reciprocating screw rod, and the adjacent infrared detectors are driven to move up by the movable rods, so that the infrared detectors can detect cracks on the bridge span and the bent cap of the bridge at the same time, the detection efficiency is improved, and the operation is simple and convenient;
2. the beam span is extruded through the matching of the L-shaped rod and the extrusion block, so that the mechanical arm and the detection table are firmer, and the mechanical arm and the detection table are prevented from shaking in windy weather, and the detection of the bridge by the infrared detector is influenced;
3. through push rod and bent cap laminating, make the push rod drive adjacent third rack and remove, third rack and adjacent first gear engagement to make infrared detector reciprocate, avoid when rotating the detection platform, movable rod and adjacent infrared detector bump with the roof beam span, lead to infrared detector damage.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the positional relationship between the mechanical arm and the detecting table;
FIG. 3 is a schematic diagram of the positional relationship of the elastic telescopic rod and the movable block of the present invention;
FIG. 4 is a cross-sectional view of the movable block of the present invention in a perspective configuration;
FIG. 5 is a schematic diagram of the positional relationship of the movable rod and the first rack, etc. of the present invention;
FIG. 6 is a schematic diagram of the positional relationship of the connecting rod and the fixing plate of the present invention;
FIG. 7 is a schematic perspective view of the first rack and mounting plate of the present invention;
FIG. 8 is a schematic diagram of the positional relationship of the push rod and connecting rod parts of the present invention;
FIG. 9 is a schematic diagram of the positional relationship of the third rack and push rod of the present invention;
FIG. 10 is an enlarged view of the perspective structure of FIG. 8A in accordance with the present invention;
FIG. 11 is a schematic diagram of the positional relationship of the fourth rack and wedge of the present invention;
FIG. 12 is a schematic diagram of the mating relationship of a retainer plate and a stripper plate of the present invention;
fig. 13 is a schematic perspective view of the extrusion rod and the extrusion plate of the present invention.
Reference numerals illustrate: 101. the detection vehicle comprises a detection vehicle body, 102, a mechanical arm, 103, a detection table, 1031, a guide block, 104, a beam span, 105, a capping beam, 106, an elastic telescopic rod, 107, a movable block, 1071, a vent hole, 108, a first limit rod, 109, an L-shaped rod, 110, an extrusion block, 111, an electric slide rail, 112, an electric slide block, 113, a movable rod, 114, an infrared detector, 115, a guide rod, 116, an extrusion wheel, 201, a reciprocating screw rod, 202, a first gear, 203, a first rack, 204, a second gear, 205, a first transmission member, 206, a second rack, 207, a third rack, 208, a push rod, 210, a mounting plate, 211, a fourth rack, 212, a second transmission member, 213, a wedge block, 301, a connecting rod, 302, a second limit rod, 303, a limit hole, 304, a fixed plate, 305, an extrusion rod, 306 and an extrusion plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Example 1: 1-5, including the detection car 101, the detection car 101 installs the arm 102, the arm 102 rotates and is connected with the detection platform 103, install control panel in the detection car 101, the detection car 101 is located bridge deck upside of bridge, the bridge is provided with the roof beam 104 and the bent cap 105, the right side rigid coupling of arm 102 has the flexible telescopic link 106, flexible end rotation of flexible telescopic link 106 is connected with movable block 107, movable block 107 is provided with ventilation hole 1071, the orbit of ventilation hole 1071 is Z shape, the level of ventilation hole 1071 air intake is less than the level of its air outlet, wind exerts decurrent pressure to movable block 107, make wind drive movable block 107 downwardly moving, the inside of ventilation hole 1071 is provided with the check valve, prevent wind from driving movable block 107 upwardly moving, the cross section of movable block 107 is equilateral trapezium, i.e. the left and right sides resistance of movable block 107 is different, the device is used for enabling the movable block 107 to rotate along with the change of wind direction, the first limiting rod 108 is fixedly connected to the lower side surface of the movable block 107, the detection table 103 is slidably connected with the L-shaped rod 109, the L-shaped rod 109 is provided with an inclined surface which is in limiting fit with the first limiting rod 108, the left part of the upper side surface of the detection table 103 is slidably connected with the extrusion block 110, the extrusion block 110 is in a right trapezoid shape, the extrusion block 110 is positioned below the L-shaped rod 109 and clamps the beam span 104, the device is prevented from shaking severely, a spring for resetting the extrusion block 110 is fixedly connected between the extrusion block 110 and the detection table 103, the extrusion block 110 is in contact fit with the L-shaped rod 109, the front side and the rear side of the detection table 103 are respectively provided with an electric sliding rail 111, the electric sliding rail 111 is slidably connected with an electric sliding block 112, the electric sliding block 112 is provided with the movable rod 113, the upper end of the movable rod 113 is rotatably connected with an infrared detector 114 for detecting bridge cracks, the right side of the mechanical arm 102 is slidingly connected with two guide rods 115 which are symmetrically arranged, a spring for resetting the guide rods 115 is fixedly connected between the guide rods 115 and the mechanical arm 102, the right end of the guide rods 115 is rotationally connected with a squeezing wheel 116, the squeezing wheel 116 is attached to the left side of the beam span 104, the infrared detector 114 is provided with a lens, and the detection table 103 is provided with a transposition assembly for changing the detection position of the infrared detector 114.
As shown in fig. 5, the transposition assembly comprises two symmetrically arranged guide blocks 1031, the two symmetrically arranged guide blocks 1031 are respectively and slidably connected to the front side and the rear side of the detection platform 103, the guide blocks 1031 are rotationally connected with a reciprocating screw 201, the reciprocating screw 201 is in threaded fit with an adjacent movable rod 113, the reciprocating screw 201 drives the adjacent infrared detector 114 to move up and down through the adjacent movable rod 113, meanwhile, crack detection is carried out on the beam span 104 and the cover beam 105, a first gear 202 is fixedly connected to the lower end of the reciprocating screw 201, four first racks 203 are slidably connected to the detection platform 103, the first racks 203 are matched with the adjacent first gears 202, the infrared detector 114 is fixedly connected with a lower second gear 204, the electric slider 112 is provided with a first transmission piece 205, the first transmission piece 205 is composed of a straight gear and a bevel gear, the second gear 204 is located above the bevel gear, the detection platform 103 is fixedly connected with four second racks 206 are respectively located on the front side and the rear side of the left part of the detection platform 103 and the front side and the rear side of the right part of the detection platform 103, and the second racks 206 are respectively matched with the adjacent second racks 204 through the adjacent second transmission piece.
As shown in fig. 5-7, 9 and 11, the detecting table 103 is slidably connected with four third racks 207 symmetrically arranged, the third racks 207 are matched with adjacent first gears 202, the detecting table 103 is slidably connected with four push rods 208 symmetrically arranged, the push rods 208 are fixedly connected with the third racks 207 on opposite sides, the push rods 208 drive the first gears 202 to rotate through the third racks 207, so that the infrared detector 114 moves up and down, tension springs for resetting the push rods 208 are fixedly connected between the four push rods 208 symmetrically arranged and the detecting table 103, the push rods 208 are matched with adjacent cover beams 105, four mounting plates 210 symmetrically arranged are slidably connected inside the detecting table 103, springs for resetting the mounting plates 210 are fixedly connected between the mounting plates 210 and the detecting table 103, the mounting plates 210 are fixedly connected with the adjacent first racks 203, the first racks 203 are located at the lower parts of the adjacent mounting plates 210, the fourth racks 211 are fixedly connected to opposite sides of the symmetrically arranged mounting plates 210, the detecting table 103 is connected with four symmetrically arranged wedge blocks 213 in a sliding mode, a second transmission piece 212 is arranged between the detecting table 103 and the symmetrically arranged mounting plates 210, the second transmission piece 212 is composed of a straight gear and racks, the wedge blocks 213 are in transmission connection with the opposite side mounting plates 210 through the opposite side fourth racks 211 and the adjacent second transmission pieces 212, the wedge blocks 213 are in limit fit with the adjacent electric sliding blocks 112, the electric sliding blocks 112 squeeze the adjacent wedge blocks 213, and accordingly the opposite side first racks 203 extend into the detecting table 103, and when the first gears 202 are meshed with the adjacent third racks 207, the electric sliding blocks 112 are in contact with the wedge blocks 213.
As shown in fig. 8, 10, 12 and 13, the detection platform 103 is slidably connected with four symmetrically arranged connecting rods 301, the connecting rods 301 are located inside the detection platform 103, the middle part of the push rod 208 is slidably connected with a second limiting rod 302, a spring for resetting the second limiting rod 302 is fixedly connected between the second limiting rod 302 and the adjacent push rod 208, the connecting rods 301 are provided with limiting holes 303, the limiting holes 303 are in limiting fit with the adjacent second limiting rod 302, fixing plates 304 are fixedly connected on the upper sides of two opposite ends of the symmetrically arranged connecting rods 301, springs for resetting the fixing plates 304 and the connecting rods 301 are fixedly connected between the adjacent fixing plates 304, the detection platform 103 is slidably connected with two symmetrically arranged pressing rods 305, two inclined surfaces for limiting fit with the adjacent electric sliding blocks 112 are arranged at the back ends of the symmetrically arranged pressing rods 305, a U-shaped pressing plate 306 is fixedly connected between the opposite ends of the symmetrically arranged pressing rods 305, springs for resetting the pressing rods 305 and the pressing plates 306 are fixedly connected between the pressing plates 306 and the detection platform 103, and the inner sides of the pressing plates 306 are provided with springs for resetting the pressing rods 305 and the pressing plates 304, and the two inclined surfaces for releasing the limiting fit between the two adjacent connecting rods 301.
When repairing a bridge, an operator needs to confirm the position of a crack on the bridge, stops the detection vehicle 101 on the bridge deck, controls the mechanical arm 102 to move through the control panel, enables the position of the mechanical arm 102 to be in the position shown in fig. 1, controls the detection table 103 to rotate around the mechanical arm 102 through the control panel, stops rotating when the detection table 103 is in the position shown in fig. 1, is positioned between two adjacent capping beams 105, adjusts the distance between the mechanical arm 102 and the beam span 104 through the control panel, and stops moving when the L-shaped rod 109 is attached to the upper side face of the beam span 104, and two infrared detectors 114 are respectively positioned on the left side and the right side of the beam span 104, and the axis of the lens is perpendicular to the beam span 104.
Then an operator starts the infrared detector 114 and the detection vehicle 101 through the control panel, the detection vehicle 101 slowly and uniformly runs in a detection mode, in the running process of the detection vehicle 101, the two infrared detectors 114 respectively detect cracks on the left side and the right side of the beam span 104, the detection table 103 gradually approaches the front side bent cap 105, when the two push rods 208 on the front side are in contact with the adjacent bent cap 105, the two push rods 208 on the front side stop moving, the detection table 103 and the two push rods 208 on the front side generate relative movement, the two push rods 208 on the front side respectively drive the adjacent third racks 207 to move backwards, a tension spring on the push rods 208 on the front side is stretched, the two push rods 208 on the front side respectively drive the second limiting rods 302 inside the two push rods to be close to the adjacent limiting holes 303, the third racks 207 on the right side of the rear side are meshed with the adjacent first gears 202, the first gears 202 on the right side of the rear side drive the adjacent reciprocating screws 201 to rotate, the reciprocating screws 201 on the rear side drive the movable rods 113 on the rear side to move downwards, and accordingly the movable rods 113 on the rear side drive the movable rods 113 to drive the adjacent infrared detectors 205 to move backwards, and the adjacent bevel gears 204 are positioned in the middle of the adjacent detection vehicle 101 to the adjacent limiting rods 114 when the two adjacent push rods 114 move towards the middle part of the adjacent limiting rods 114.
After the detection vehicle 101 stops moving, the control panel starts the front-side electric sliding block 112, the front-side electric sliding block 112 drives the front-side reciprocating screw 201 and the guide block 1031 to move rightwards through the adjacent movable rod 113, the front-side reciprocating screw 201 drives the front-side first gear 202 to move rightwards, in the process that the front-side first gear 202 moves rightwards, the front-side first gear 202 is meshed with the adjacent first rack 203, so that the front-side reciprocating screw 201 rotates, the front-side reciprocating screw 201 drives the front-side movable rod 113 to move downwards through the adjacent sliding block, when the front-side first gear 202 is out of meshing with the adjacent first rack 203, the front-side second gear 204 is meshed with a bevel gear in the first transmission piece 205, and as the electric sliding block 112 continues to move rightwards, the spur gear in the front first driving member 205 is meshed with the adjacent second rack 206, so that the infrared detector 114 rotates, when the front first driving member 205 loses coordination with the adjacent second rack 206, the front infrared detector 114 rotates 90 degrees, the axis of the lens of the infrared detector 114 is perpendicular to the adjacent capping beam 105, the front electric sliding block 112 drives the front infrared detector 114 to move rightwards, the front infrared detector 114 carries out infrared detection on the rear side of the adjacent capping beam 105, at the moment, the rear electric sliding block 112 is attached to the wedge block 213 on the right of the rear side, namely, the spring between the mounting plate 210 on the right of the front and the detection table 103 is in a compressed state, and the first rack 203 on the right of the front is positioned inside the detection table 103.
When the front electric slide block 112 loses contact with the front left wedge block 213, under the action of spring force on the rear left mounting plate 210, the front left wedge block 213 and the rear left first rack 203 extend out of the detection table 103, during the rightward movement of the front electric slide block 112, the spur gear in the front first transmission member 205 is meshed with the front right second rack 206, so that the front infrared detector 114 rotates by 90 degrees, at this time, the lens of the front infrared detector 114 faces to the left, and as the front electric slide block 112 moves rightward, the front electric slide block 112 presses the front right wedge block 213, and the front right wedge block 213 moves rearward and cooperates with the adjacent second transmission member 212, so that the mounting plate 210 at the right part of the rear side drives the adjacent first racks 203 to move forwards, the springs on the mounting plate 210 at the right part of the rear side are compressed, the first racks 203 at the right part of the rear side extend into the detection platform 103, when the first gear 202 at the front side is meshed with the third racks 207 at the right part of the front side, the control panel controls the electric slide block 112 at the front side to stop moving, at the moment, the infrared detector 114 at the front side finishes detecting the rear side surface of the capping beam 105, then the control panel controls the detection platform 103 to rotate 90 degrees, the control panel starts the detection vehicle 101, the detection vehicle 101 runs forwards, and then the control panel controls the detection platform 103 to rotate reversely by 90 degrees, so that the detection platform 103 is positioned at the front side of the capping beam 105.
The detection platform 103 is positioned at the front side and the rear side of the cover beam 105, the control panel controls the detection vehicle 101 to approach the front side of the cover beam 105, when two push rods 208 at the rear side are attached to the front side of the cover beam 105, the two push rods 208 at the rear side and the detection platform 103 move relatively, the two push rods 208 at the rear side drive two third racks 207 at the front side respectively to move forwards, so that a tension spring on the push rods 208 at the rear side is stretched, the two push rods 208 at the rear side drive adjacent second limiting rods 302 to approach adjacent limiting holes 303, the third racks 207 at the right part at the front side drive the front side reciprocating screw 201 to rotate through adjacent first gears 202, so that the movable rods 113 at the front side drive adjacent infrared detectors 114 to move upwards, when the infrared detectors 114 are positioned at the middle part of the beam span 104, the second limiting rod 302 in the rear push rod 208 enters the adjacent limiting hole 303, the control panel controls the detection vehicle 101 to stop moving, then the control panel starts the rear electric sliding block 112 to move leftwards along the adjacent electric sliding rail 111, the rear electric sliding block 112 drives the adjacent infrared detector 114 to move leftwards through the adjacent movable rod 113, when the rear first transmission piece 205 is matched with the rear right second rack 206, the rear infrared detector 114 rotates by 90 degrees, the lens of the infrared detector 114 faces the front side of the cover beam 105, and the rear first gear 202 is not meshed with the rear right first rack 203 because the rear right first rack 203 is positioned in the detection table 103.
As the rear electric slider 112 moves leftward, when the rear electric slider 112 loses contact with the wedge 213 on the right rear side, the mounting plate 210 on the right front side drives the adjacent first rack 203 to move forward under the spring force of the mounting plate 210 on the right front side, the wedge 213 on the right rear side moves rearward, the first rack 203 on the right front side extends out of the detection table 103, when the rear electric slider 112 is located in the middle of the detection table 103, the rear electric slider 112 contacts with the extrusion rod 305 on the rear side, so that the extrusion rod 305 on the rear side drives the adjacent extrusion plate 306 to move forward, the springs on the extrusion rod 305 on the rear side compress, the extrusion plate 306 extrudes the adjacent two fixing plates 304, so that the adjacent two fixing plates 304 on the front side drive the adjacent connecting rods 301 to move in opposite directions, the springs between the two fixing plates 304 on the front side compress, the two second limit rods 302 on the front side are far away from the adjacent limit holes 303, and when the two second limit rods 302 on the front side are separated from the adjacent limit holes 303, the two push rods 208 on the front side drive the adjacent pull rods 207 to move downward, and the adjacent pull the pull rods 207 on the front side move forward.
As the rear electric slider 112 continues to move leftwards, when the rear electric slider 112 contacts with the rear left wedge 213, the rear left wedge 213 drives the adjacent mounting plate 210 to move backwards through the adjacent second transmission member 212, so that the front left mounting plate 210 drives the front left first rack 203 to extend into the detection table 103, when the rear second gear 204 cooperates with the rear left second rack 206 through the adjacent first transmission member 205, the rear infrared detector 114 rotates 90 ° to make the lens axis of the rear infrared detector 114 perpendicular to the beam span 104, and when the rear first gear 202 engages with the rear left third rack 207, the control panel turns off the rear electric slider 112, and the control panel turns on the detection vehicle 101 to move forwards, so that the two infrared detectors 114 detect the left and right sides of the beam span 104.
As the detection vehicle 101 slowly moves forward, when the front push rod 208 contacts with the rear side of the adjacent capping beam 105 again, the front two push rods 208 drive the adjacent third racks 207 to move backward, when the front movable rod 113 moves to the lowest position, that is, when the front infrared detector 114 is located in the middle of the adjacent capping beam 105, the control panel controls the detection vehicle 101 to stop moving, the control panel starts the front electric slide block 112, the electric slide block 112 moves leftwards, when the front electric slide block 112 moves to the middle of the detection table 103, the front electric slide block 112 contacts with the front extrusion rod 305, so that the front extrusion rod 305 moves backward, the springs on the front extrusion rod 305 are compressed, the front extrusion rod 305 drives the rear two connecting rods 301 to move oppositely through the rear two fixed plates 304, the springs between the rear two fixed plates 304 are compressed, the rear two second limiting rods 302 are separated from the adjacent limiting holes 303, and under the action of the tension spring 208 on the rear push rod 208, the rear push rod 305 drives the front extrusion rod 305 to move backward.
And repeating all the operations until the device completes the detection of the bridge crack, and after the detection is completed, an operator closes the infrared detector 114 through the control panel and controls the mechanical arm 102 and the detection platform 103 to move, so that the mechanical arm 102 and the detection platform 103 move above the bridge deck and are retracted onto the detection vehicle 101.
Example 2: on the basis of embodiment 1, when overhauling the bridge in windy weather, an operator moves the positions of the mechanical arm 102 and the detection platform 103 through the control panel, the detection platform 103 drives the L-shaped rod 109, the extrusion block 110, the guide rod 115 and the extrusion wheel 116 to move, when the extrusion block 110 contacts with the lower side surface of the beam span 104, the L-shaped rod 109 is attached to the beam span 104, the extrusion wheel 116 is attached to the left side of the beam span 104, at the moment, the spring on the guide rod 115 is in a compressed state, the extrusion wheel 116 and the guide rod 115 extrude the beam span 104, so that the mechanical arm 102 is more stable, the mechanical arm 102 is prevented from shaking, the detection inaccuracy is caused, because the resistance on the left side of the movable block 107 is smaller than the resistance on the right side of the mechanical arm, when wind passes through the movable block 107, the wind drives the movable block 107 to rotate, the air inlet of the ventilation hole 1071 is made into an air inlet, wind enters the ventilation hole 1071, wind force drives the movable block 107 to move downwards, so that the telescopic end of the elastic telescopic rod 106 moves downwards, a spring in the elastic telescopic rod 106 is stretched, the movable block 107 drives the first limiting rod 108 to move downwards, the first limiting rod 108 extrudes the inclined surface of the L-shaped rod 109, the L-shaped rod 109 moves rightwards and contacts with the extrusion block 110, the extrusion block 110 is pushed by the L-shaped rod 109 to move rightwards, the spring between the extrusion block 110 and the detection table 103 is compressed, the extrusion block 110 and the L-shaped rod 109 together extrude the beam span 104, the mechanical arm 102 and the detection table 103 are regarded as a whole, the stability of the mechanical arm 102 and the detection table 103 in windy weather is improved, and severe shaking of the mechanical arm 102 and the detection table 103 is avoided, so that the device is inaccurate in bridge detection.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
1. Bridge crack detection device with stable function, characterized by, including detection car (101), detection car (101) are installed mechanical arm (102), mechanical arm (102) rotate and are connected with detection platform (103), install control panel in detection car (101), the bridge is provided with roof beam span (104) and bent cap (105), mechanical arm (102) rigid coupling has elastic expansion link (106), elastic expansion link (106) rotate and are connected with movable block (107), movable block (107) are provided with ventilation hole (1071), movable block (107) rigid coupling has first gag lever post (108), detection platform (103) sliding connection has L shape pole (109), L shape pole (109) with limit cooperation of first gag lever post (108), detection platform (103) sliding connection has extrusion piece (110), extrusion piece (110) with the rigid coupling has the spring between detection platform (103), detection platform (103) are provided with electronic slide rail (111) of symmetrical arrangement, electronic slide rail (111) rigid coupling has first gag lever post (108), detection platform (103) sliding connection has infrared slide (114), the detection table (103) is provided with a transposition assembly.
2. The bridge crack detection device with the stabilizing function according to claim 1, wherein the air inlet of the ventilation hole (1071) is lower than the air outlet of the ventilation hole, so that the air drives the movable block (107) to move downwards.
3. The bridge crack detection device with the stabilizing function according to claim 2, wherein a one-way valve is arranged in the ventilation hole (1071) to prevent wind from driving the movable block (107) to move upwards.
4. The bridge crack detection device with a stabilizing function according to claim 1, wherein the cross section of the movable block (107) is in an equilateral trapezoid, and the movable block (107) is used for rotating along with the change of the wind direction.
5. The bridge crack detection device with the stabilizing function according to claim 1, wherein the mechanical arm (102) is slidably connected with a guide rod (115), a spring is fixedly connected between the guide rod (115) and the mechanical arm (102), the guide rod (115) is rotatably connected with a pressing wheel (116), and the pressing wheel (116) is attached to the beam span (104).
6. The bridge crack detection device with a stabilizing function according to claim 1, wherein the transposition assembly comprises symmetrically arranged guide blocks (1031), the symmetrically arranged guide blocks (1031) are all slidably connected to the detection table (103), the guide blocks (1031) are rotatably connected with reciprocating screws (201), the reciprocating screws (201) are in threaded fit with adjacent movable rods (113), first gears (202) are fixedly connected with the reciprocating screws (201), the detection table (103) is slidably connected with first racks (203) which are symmetrically arranged, the first racks (203) are matched with adjacent first gears (202), a second gear (204) is fixedly connected with the infrared detector (114), the electric sliding block (112) is provided with a first transmission member (205), the detection table (103) is fixedly connected with second racks (206) which are symmetrically arranged, and the second racks (206) are matched with the adjacent second gears (204) through the adjacent first transmission member (205).
7. The bridge crack detection device with a stabilizing function according to claim 6, wherein the detection table (103) is slidably connected with a third rack (207) which is symmetrically arranged, the third rack (207) is matched with the adjacent first gear (202), the detection table (103) is slidably connected with a push rod (208) which is symmetrically arranged, the push rod (208) is fixedly connected with the adjacent third rack (207), tension springs are fixedly connected between the push rod (208) which is symmetrically arranged and the detection table (103), the push rod (208) is matched with the adjacent cover beam (105), a mounting plate (210) which is symmetrically arranged is slidably connected between the detection table (103), the mounting plate (210) is fixedly connected with the adjacent first rack (203), a fourth rack (211) is fixedly connected with the mounting plate (210), a wedge-shaped block (213) which is symmetrically arranged is slidably connected between the detection table (103) and the second rack (212), and the second wedge-shaped block (212) is connected with the second mounting plate (212).
8. The bridge crack detection device with a stabilizing function according to claim 7, wherein the wedge block (213) is in limit fit with the adjacent electric slider (112), and the electric slider (112) is in contact with the wedge block (213) when the first gear (202) is engaged with the adjacent third rack (207).
9. The bridge crack detection device with a stabilizing function according to claim 7, wherein the detection table (103) is slidably connected with a symmetrically arranged connecting rod (301), the push rod (208) is slidably connected with a second limiting rod (302), a spring is fixedly connected between the second limiting rod (302) and the adjacent push rod (208), the connecting rod (301) is provided with a limiting hole (303) in limiting fit with the adjacent second limiting rod (302), the connecting rod (301) is fixedly connected with a fixing plate (304), a spring is fixedly connected between the adjacent fixing plates (304), the detection table (103) is slidably connected with a symmetrically arranged extrusion rod (305), the extrusion rod (305) is provided with an inclined plane in limiting fit with the adjacent electric sliding block (112), the extrusion rod (305) is fixedly connected with an extrusion plate (306), and the spring is fixedly connected between the extrusion plate (306) and the detection table (103).
10. The bridge crack detection device with the stabilizing function according to claim 9, wherein the extrusion plate (306) is provided with an inclined surface in limit fit with the adjacent fixing plate (304) for enabling the second limiting rod (302) to release the limit of the adjacent connecting rod (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180814.3A CN116905350A (en) | 2023-09-13 | 2023-09-13 | Bridge crack detection device with stabilizing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180814.3A CN116905350A (en) | 2023-09-13 | 2023-09-13 | Bridge crack detection device with stabilizing function |
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| Publication Number | Publication Date |
|---|---|
| CN116905350A true CN116905350A (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311180814.3A Pending CN116905350A (en) | 2023-09-13 | 2023-09-13 | Bridge crack detection device with stabilizing function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713167A (en) * | 2009-10-23 | 2010-05-26 | 周劲宇 | Bridge structural health monitoring car |
| EP2506073A1 (en) * | 2011-03-28 | 2012-10-03 | Structure et Rehabilitation | Device for monitoring the condition of an engineering structure |
| CN108978468A (en) * | 2018-09-27 | 2018-12-11 | 重庆交通大学 | A kind of safety-type operation platform of bridge maintenance |
| CN111751408A (en) * | 2020-07-03 | 2020-10-09 | 义乌市城市规划设计研究院有限公司 | Multi-bridge crack detection flaw detection device |
| CN217997817U (en) * | 2022-07-28 | 2022-12-09 | 陕西省交通规划设计研究院有限公司 | Bridge preparation disease detection device convenient to remove |
-
2023
- 2023-09-13 CN CN202311180814.3A patent/CN116905350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713167A (en) * | 2009-10-23 | 2010-05-26 | 周劲宇 | Bridge structural health monitoring car |
| EP2506073A1 (en) * | 2011-03-28 | 2012-10-03 | Structure et Rehabilitation | Device for monitoring the condition of an engineering structure |
| CN108978468A (en) * | 2018-09-27 | 2018-12-11 | 重庆交通大学 | A kind of safety-type operation platform of bridge maintenance |
| CN111751408A (en) * | 2020-07-03 | 2020-10-09 | 义乌市城市规划设计研究院有限公司 | Multi-bridge crack detection flaw detection device |
| CN217997817U (en) * | 2022-07-28 | 2022-12-09 | 陕西省交通规划设计研究院有限公司 | Bridge preparation disease detection device convenient to remove |
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