CN111649689B - Steel construction warp detection device - Google Patents
Steel construction warp detection device Download PDFInfo
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- CN111649689B CN111649689B CN202010651659.9A CN202010651659A CN111649689B CN 111649689 B CN111649689 B CN 111649689B CN 202010651659 A CN202010651659 A CN 202010651659A CN 111649689 B CN111649689 B CN 111649689B
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- 238000001514 detection method Methods 0.000 title claims abstract description 218
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims description 4
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000009193 crawling Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000007689 inspection Methods 0.000 description 46
- 238000005259 measurement Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 241001522301 Apogonichthyoides nigripinnis Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The steel structure warping degree detection device comprises a light source vehicle, a detection vehicle and a handheld terminal, wherein the light source vehicle realizes the position adjustment of a light source through a transverse adjusting motor and a longitudinal adjusting motor and automatically aligns a measuring target bullnose; the light source vehicle and the detection vehicle adopt steering crawling modes with two sides independently driven, so that direction adjustment is realized; the detection vehicle adopts an automatic detection technology of the light spot position and a dragging technology of a precise linear motor, and improves the detection precision from 0.5mm measured by a steel ruler to 0.1mm, so that the light spot height can be dynamically tracked, and the light spot detection range is enlarged; the detection vehicle can automatically track the laser beam in the whole course, automatically correct the deviation track and actively avoid approaching obstacles; the detection vehicle and the handheld terminal can be in wireless communication.
Description
Technical Field
The invention relates to the technical field of safety condition evaluation of hoisting machinery.
Background
The safety condition evaluation of the large hoisting machinery gradually becomes one of important works of the public welfare checking and detecting mechanism, and higher requirements are put on personnel of the checking and detecting mechanism and checking and detecting methods. The important point of the safety condition evaluation of the large hoisting machinery is the evaluation of the stability of the whole hoisting machinery, and the most important index of the evaluation is: and bending the girder in the horizontal direction. The main beams of newly manufactured or used bridge portal cranes are horizontally bent and regulated by national standards of general bridge cranes (GB/T14405), general portal cranes (GB/T14406) and casting crane scrapping conditions (GB/T36697).
Referring to related data at home and abroad, the traditional method is still used for measuring the stability of the main beam of the crane, the manual measuring method is still commonly used for measuring the bending value of the main beam in the horizontal direction, and the measuring method has the following problems: (1) low detection accuracy; (2) the detection result is greatly influenced by human factors; (3) The requirements on the physical condition of the inspector are high, and the physical strength is high; (4) the personal safety of the detection personnel is difficult to ensure; (5) low inspection efficiency, and the like.
This method does not meet the requirements of manufacturing, use and inspection, and in particular does not meet the inspection of the equipment in use. The intelligent measurement of girder stability is imperative, and no such instrument is available at home and abroad at present, so that the steel structure warping degree detection device for detecting the horizontal bending value of the girder of the crane fills the gap at home and abroad.
Disclosure of Invention
In order to solve the problems of the method for measuring the stability of the main beam of the crane, the invention provides a steel structure warping degree detection device.
The technical scheme adopted by the invention for achieving the purpose is as follows: the steel structure warping degree detection device comprises a light source vehicle and a detection vehicle, wherein a laser tube 20 is arranged in a laser tube sleeve fixing cavity 62 in the light source vehicle, a laser emitting port 3 is arranged at the front part of the light source vehicle, a light source vehicle control main board 60 is arranged in the light source vehicle, and the light source vehicle control main board 60 is connected with the laser tube 20; the spot position sensor 32 is arranged in the detection vehicle, the detection vehicle control main board 39 is arranged in the detection vehicle, and the detection vehicle control main board 39 is connected with the spot position sensor 32; the light source car control main board 60 is in communication connection with the detection car control main board 39 through the light source car antenna 4 and the detection car antenna 51, and the light source car adjusts the laser direction of the laser tube 20 in the vertical and horizontal directions to enable the center of a light spot to coincide with the target center of the detection car.
The front two sides of the lower side of the chassis 23 of the light source vehicle are provided with light source vehicle driving wheels 9, the rear of the lower side of the chassis 23 of the light source vehicle is provided with light source vehicle driven wheels 30, the light source vehicle is internally provided with a left light source vehicle driving motor and a right light source vehicle driving motor 26, the output shaft of the light source vehicle driving motor 26 is provided with a light source vehicle driving gear 28, the left light source vehicle driving gear 28 and the right light source vehicle driving gear 28 are respectively meshed with a left light source vehicle driven gear 29, the light source vehicle driven wheels 9 are arranged on the chassis 23 of the light source vehicle through shafts, the light source vehicle driven gears 29 are coaxially arranged with the light source vehicle driven wheels 9 and are positioned at the inner sides of the light source vehicle driven wheels 9, the light source vehicle driven wheels 30 at the two sides and the light source vehicle driven wheels 24 at the rear are coaxially arranged, and a light source vehicle transmission belt 11 is arranged between the front and rear two light source vehicle driven wheels 24 at the same side; the light source vehicle control main board 60 is connected with a light source vehicle driving board 61, the light source vehicle driving board 61 is electrically connected with the left and right light source vehicle driving motors 26, and the light source vehicle driving motors 26 are installed in the light source vehicle through the driving motor base 27.
A laser tube sleeve 19 is arranged in a laser tube sleeve fixing cavity 62 of the light source vehicle, a laser tube 20 is arranged on the front side of the laser tube sleeve 19, a vertical adjusting motor 13 and a horizontal adjusting motor 10 are arranged on the outer side of the rear part of the laser tube sleeve 19 through a motor fixing seat 16, the vertical adjusting motor 13 and the horizontal adjusting motor 10 are respectively connected with a threaded shaft 17, and a threaded sleeve 18 is arranged on the threaded shaft 17; the outside of the laser tube sleeve 19 is provided with a vertical limit switch 12 and a horizontal limit switch 14, the vertical adjustment motor 13 and the horizontal adjustment motor 10 are electrically connected with a light source vehicle driving plate 61, and the vertical limit switch 12 and the horizontal limit switch 14 are electrically connected with a light source control main plate 60.
The two sides of the front part of the lower side of the chassis 58 of the detection vehicle are provided with detection vehicle driving wheels 43, the rear part of the lower side of the chassis 58 of the detection vehicle is provided with detection vehicle driven wheels 36, two detection vehicle driving motors 48 are arranged in the light source vehicle, the output shafts of the detection vehicle driving motors 48 are provided with detection vehicle driving gears 42, the detection vehicle driving gears 42 are meshed with the detection vehicle driven gears 41, the detection vehicle driving wheels 43, the detection vehicle driven wheels 36 and the detection vehicle synchronous wheels 57 at the front part are coaxially arranged, the detection vehicle driven wheels 36 are axially arranged on the chassis 58 of the detection vehicle, the left detection vehicle synchronous wheel 57 and the right detection vehicle synchronous wheels 57 at the rear part are coaxially arranged with the detection vehicle driven wheels 36 at the two sides respectively, and a detection vehicle transmission belt is arranged between the front detection vehicle synchronous wheel 57 and the rear detection vehicle synchronous wheel 57 at the same side; the detection vehicle control main board 39 is connected with a detection vehicle driving board 49, the detection vehicle driving board 49 is electrically connected with a left detection vehicle driving motor and a right detection vehicle driving motor 48, and the detection vehicle driving motor 48 is installed in the detection vehicle through a motor seat 47.
The spot position sensor 32 is installed on the inner front side of the detection vehicle shell 50, and the spot sensor 32 is connected with the linear motor 31.
The front side of the facula sensor 32 is provided with an optical filter 33 and a retainer ring 34.
The lower sides of the chassis 23 and the detection chassis 58 of the light source vehicle are respectively provided with a light source vehicle magnet 21 and a detection vehicle magnet 59.
The light source car housing 5 and the detection car housing 50 are respectively provided with a light source car rocker 6 and a detection car rocker 47, and the light source car rocker 6 is arranged on the light source car housing 5 through a light source car rocker shaft 7 and a light source car bearing 8; the test rocker 46 is mounted to the test rocker housing 50 by a test rocker shaft 45 and a test rocker bearing 44.
And further includes a handheld terminal electrically connected to the test cart control board 39.
An obstacle detection sensor is installed at the front of the detection vehicle housing 50, and the obstacle detection sensor is electrically connected with the detection vehicle control main board 39.
According to the steel structure warping degree detection device, the light source vehicle realizes the position adjustment of a light source through the transverse adjusting motor and the longitudinal adjusting motor, and the measuring target bulls-eye is automatically aligned; the light source vehicle and the detection vehicle adopt steering crawling modes with two sides independently driven, so that direction adjustment is realized; the detection vehicle adopts an automatic detection technology of the light spot position and a dragging technology of a precise linear motor, and improves the detection precision from 0.5mm measured by a steel ruler to 0.1mm, so that the light spot height can be dynamically tracked, and the light spot detection range is enlarged; the detection vehicle can automatically track the laser beam in the whole course, automatically correct the deviation track and actively avoid approaching obstacles; the detection vehicle and the handheld terminal can be in wireless communication.
Drawings
FIG. 1 is a schematic diagram of the steel structure warping degree detecting device according to the present invention.
FIG. 2 is a schematic diagram of a light source vehicle of the steel structure warping degree detection device of the invention.
FIG. 3 is a view of the main view of the light source of the steel structure warping degree detecting device.
Fig. 4 is a cross-sectional view A-A of fig. 3.
Fig. 5 is a left-view structural diagram of a light source vehicle of the steel structure warping degree detection device of the invention.
Fig. 6 is a cross-sectional view A-A of fig. 5.
Fig. 7 is a schematic diagram of a steel structure warp detection device for detecting a vehicle according to the present invention.
FIG. 8 is a view showing the construction of a structure of a car for detecting the warping degree of a steel structure according to the present invention.
Fig. 9 is a cross-sectional view A-A of fig. 8.
In the figure: 1. a light source vehicle power socket, 2, a light source vehicle power switch, 3, a laser emitting port, 4, a light source vehicle antenna, 5, a light source vehicle housing, 6, a light source vehicle rocker, 7, a light source vehicle rocker shaft, 8, a light source vehicle bearing, 9, a light source vehicle driving wheel, 10, a horizontal adjusting motor, 11, a transmission belt, 12, a vertical limit switch, 13, a vertical adjusting motor, 14, a horizontal limit switch, 15, a vertical adjusting motor housing, 16, a motor fixing seat, 17, a screw shaft, 18, a screw sleeve, 19, a laser sleeve, 20, a laser tube, 21, a magnet, 22, a battery, 23, a light source vehicle chassis, 24, a light source vehicle synchronous wheel, 25, a light source vehicle check ring, 26, a light source vehicle driving motor, 27, a driving motor seat, 28, a light source vehicle driving gear, 29, a light source vehicle driven gear, 30, a light source vehicle driven wheel, 31, a linear motor, 32, spot position sensor, 33, optical filter, 34, inspection car retainer, 35, inspection car housing, 36, inspection car driven wheel, 37, riser, 38, baffle, 39, inspection car control motherboard, 40, inspection car battery, 41, inspection car driven gear, 42, inspection car driving gear, 43, inspection car driving wheel, 44, inspection car bearing, 45, inspection car rocker shaft, 46, rocker, 47, inspection car motor mount, 48, inspection car driving motor, 49, driving plate, 50, inspection car housing, 51, inspection car antenna, 52, inspection car charging interface, 53, dust collector, 54, inspection car power button, 55, inspection car photoelectric switch, 56, inspection car retainer, 57, inspection car synchronizing wheel, 58, inspection car chassis, 59, inspection car magnet, 60, light source car control motherboard, 61, light source car driving plate, 62, the laser tube sleeve fixes the cavity.
Detailed Description
The steel structure warping degree detection device of the invention is shown in figure 1, comprises a light source vehicle, a detection vehicle and a hand-held terminal,
The hand-held terminal is electrically connected to the test cart control board 39. The laser tube 20 is arranged in a laser tube sleeve fixing cavity 62 in the light source vehicle, a laser emitting port 3 is arranged at the front part of the light source vehicle, a light source vehicle control main board 60 is arranged in the light source vehicle, and the light source vehicle control main board 60 is connected with the laser tube 20; the spot position sensor 32 is arranged in the detection vehicle, the detection vehicle control main board 39 is arranged in the detection vehicle, and the detection vehicle control main board 39 is connected with the spot position sensor 32; the light source car control main board 60 is in communication connection with the detection car control main board 39 through the light source car antenna 4 and the detection car antenna 51, and the light source car adjusts the laser direction of the laser tube 20 in the vertical and horizontal directions to enable the center of a light spot to coincide with the target center of the detection car. The light source vehicle can be adsorbed on the steel structure, actively crawl through the driving mechanism, and can advance, retreat and turn. The light source vehicle emits a collimated laser beam and can control the light beam to adjust in the vertical and horizontal directions; the detection vehicle can be adsorbed on the rigid structure, actively crawl through the driving mechanism, and can advance, retreat, turn to and automatically avoid obstacles. The measuring target for detecting the position of the light spot is integrated on the detecting vehicle, and the position of the light spot can be converted into a digital signal. The hand-held terminal is in wireless communication with the light source vehicle and the detection vehicle and is used for setting measurement parameters, receiving and displaying measurement data.
The light source vehicle magnet 21 and the detection vehicle magnet 59 are respectively installed on the lower sides of the chassis 23 and the detection vehicle chassis 58 of the light source vehicle.
The light source car housing 5 and the detection car housing 50 are respectively provided with a light source car rocker 6 and a detection car rocker 47, and the light source car rocker 6 is arranged on the light source car housing 5 through a light source car rocker shaft 7 and a light source car bearing 8; the test rocker 46 is mounted to the test rocker housing 50 by a test rocker shaft 45 and a test rocker bearing 44.
The light source vehicle consists of a light source vehicle chassis 23, a light source vehicle magnet 21, a light source vehicle driving wheel 9, a light source vehicle driving belt 11, a light source vehicle synchronizing wheel 24, a light source vehicle driven wheel 30, a light source vehicle driving motor 26, a light source vehicle driving gear 28, a light source vehicle driven gear 29, a light source vehicle vertical adjusting motor 15, a light source vehicle vertical limit switch 12, a light source vehicle horizontal adjusting motor 10, a light source vehicle horizontal limit switch 14, a light source vehicle charging interface, a light source vehicle power switch 2, a light source vehicle antenna 4, a lithium battery 22, a light source vehicle control main board 60, a light source vehicle driving board 61 and a laser tube 20. The light source vehicle driving wheel 9 is arranged on two sides of the lower front part of the chassis 23 of the light source vehicle, the light source vehicle driven wheel 30 is arranged on the rear part of the lower side of the chassis 23 of the light source vehicle, the light source vehicle driving motors 26 are arranged in the light source vehicle, the light source vehicle driving gears 28 are arranged on the output shafts of the light source vehicle driving motors 26, the light source vehicle driving gears 28 are respectively meshed with the left light source vehicle driven gears 29 and the right light source vehicle driven gears 29, the light source vehicle driven wheel 9 is arranged on the chassis 23 of the light source vehicle through a shaft and a bearing, the light source vehicle driven gears 29 and the light source vehicle driven wheel 9 are coaxially arranged and are positioned on the inner side of the light source vehicle driven wheel 9, the light source vehicle driven wheel 30 is arranged on the light source vehicle chassis 23 through a shaft and a bearing, the light source vehicle driven wheel 30 on two sides and the light source vehicle driven wheel 24 on the rear part are coaxially arranged, the light source vehicle driving belt 11 is arranged between the front and rear light source vehicle driven wheels 24 on the same side, and the outer end of the shaft is provided with a retainer ring; the light source vehicle control main board 60 is connected with a light source vehicle driving board 61, the light source vehicle driving board 61 is electrically connected with the left and right light source vehicle driving motors 26, and the light source vehicle driving motors 26 are installed in the light source vehicle through the driving motor base 27.
A laser tube sleeve 19 is arranged in a laser tube sleeve fixing cavity 62 of the light source vehicle, a laser tube 20 is arranged on the front side of the laser tube sleeve 19, a vertical adjusting motor 13 and a horizontal adjusting motor 10 are arranged on the outer side of the rear part of the laser tube sleeve 19 through a motor fixing seat 16, the vertical adjusting motor 13 and the horizontal adjusting motor 10 are respectively connected with a threaded shaft 17, and a threaded sleeve 18 is arranged on the threaded shaft 17; the outside of the laser tube sleeve 19 is provided with a vertical limit switch 12 and a horizontal limit switch 14, the vertical adjustment motor 13 and the horizontal adjustment motor 10 are electrically connected with a light source vehicle driving plate 61, and the vertical limit switch 12 and the horizontal limit switch 14 are electrically connected with a light source control main plate 60.
The magnet 21 fixed on the chassis 23 of the light source vehicle provides strong magnetism, so that the light source vehicle can be always attached to the web plate of the main beam and does not fall off when walking or being stationary. The lithium battery 22 supplies power to the control main 60 board through the power switch 2, and the control main board 60 supplies power to the driving board 61 and the laser tube 20. The light source vehicle driving plate 61 is connected with the light source vehicle driving motor 9, the vertical adjusting motor 13 and the horizontal adjusting motor 10, and a motor driving circuit on the light source vehicle driving plate 60 controls the light source vehicle driving motor 9 to rotate and drives the light source vehicle driving gear 28 to rotate, the light source vehicle driving gear 28 drives the light source vehicle driven gear 29 to rotate and transmit power to the light source vehicle driving wheel 9, and the light source vehicle driving wheel 9 transmits power to the light source vehicle driven wheel 30 through the light source vehicle synchronous wheel 24 and the light source vehicle driving belt 11, so that the light source vehicle obtains crawling power. The driving wheels 9 of the light source vehicles on the two sides respectively adopt independent driving motors to provide power, the light source vehicles are turned by controlling the speeds of the driving motors on the two sides, and the detection vehicles are driven to advance and retreat by controlling the rotation directions of the driving motors. The laser tube 20 emits a collimated light beam, a motor driving circuit on the light source vehicle driving plate 61 controls a vertical/horizontal adjusting motor to rotate, the vertical/horizontal adjusting motor drives a threaded shaft 17 to rotate, the threaded shaft 17 drives a threaded sleeve 18 to stretch and contract, and the laser tube sleeve 19 is extruded to compress or stretch in the vertical/horizontal direction, so that the position of the laser tube 20 is adjusted, and the light beam is adjusted in the vertical/horizontal direction; the tail end of the laser tube sleeve 19 adopts a spherical structure, the height between the spherical center and the bottom surface of the wheel is the same as the height between the measuring target center of the light source vehicle and the bottom surface of the wheel in design, the light source vehicle is in wireless communication with the detecting vehicle before the measurement starts, and the light source vehicle adjusts the laser in the vertical and horizontal directions to enable the light spot center to coincide with the target center of the detecting vehicle, so that a constant-height reference beam is established. The light source vehicle rocker 6 is lifted upwards, so that the tail part of the chassis of the light source vehicle is separated, and the light source vehicle is convenient to take down.
The inspection vehicle comprises an inspection vehicle chassis 58, an inspection vehicle magnet 59, an inspection vehicle driving wheel 43, an inspection vehicle driving belt, an inspection vehicle synchronizing wheel 57, an inspection vehicle driven wheel 36, an inspection vehicle crawling driving motor 48, an inspection vehicle driving gear 42, an inspection vehicle driven gear 41, a dust cover 53, an optical filter 33, a light spot position sensor 32, a linear motor 31, an inspection vehicle lithium battery 40, an inspection vehicle control main board 39, an inspection vehicle driving board 49, an inspection vehicle power switch 54, an inspection vehicle charging interface 52, an inspection vehicle antenna 51, an obstacle avoidance switch (photoelectric switch) 55 and an inspection vehicle rocker 46.
The detection vehicle driving wheels 43 are arranged on two sides of the front part of the lower side of the chassis 58 of the detection vehicle, the detection vehicle driven wheels 36 are arranged on the rear part of the lower side of the chassis 58 of the detection vehicle, two detection vehicle driving motors 48 are arranged in the light source vehicle, the detection vehicle driving gears 42 are arranged on the output shafts of the detection vehicle driving motors 48, the detection vehicle driving gears 42 are meshed with the detection vehicle driven gears 41, the detection vehicle driving wheels 43, the detection vehicle driven wheels 36 and the detection vehicle synchronous wheels 57 on the front part are coaxially arranged, the detection vehicle driven wheels 36 are coaxially arranged on the chassis 58 of the detection vehicle through shafts, the detection vehicle synchronous wheels 57 on the left and right of the rear part are coaxially arranged with the detection vehicle driven wheels 36 on the two sides respectively, and a detection vehicle driving belt is arranged between the front and rear detection vehicle synchronous wheels 57 on the same side; the detection vehicle control main board 39 is connected with a detection vehicle driving board 49, the detection vehicle driving board 49 is electrically connected with a left detection vehicle driving motor and a right detection vehicle driving motor 48, and the detection vehicle driving motor 48 is installed in the detection vehicle through a motor seat 47. The spot position sensor 32 is installed on the inner front side of the detection vehicle shell 50, and the spot sensor 32 is connected with the linear motor 31. The front side of the spot sensor 32 is provided with an optical filter 33 and a retainer ring 34. An obstacle detection sensor is installed at the front of the detection vehicle housing 50, and the obstacle detection sensor is electrically connected to the detection vehicle control main board 39.
The magnet 59 of the detection vehicle provides strong magnetism, so that the detection vehicle can be attached to the web plate of the main beam all the time in the running process. The detection vehicle lithium battery 40 supplies power to the detection vehicle control main board 39, the detection vehicle driving board 49, the spot position sensor 32, and the photoelectric switch 55 through the power switch.
The inspection vehicle driving plate 49 is connected to the inspection vehicle driving motor 48 and the linear motor 31. The motor driving circuit on the detection vehicle driving plate 49 controls the driving motor 48 to rotate so as to drive the detection vehicle driving gear 42 to rotate, the detection vehicle driving gear 42 drives the detection vehicle driven gear 41 to rotate so as to transmit power to the detection vehicle driving wheel 43, and the detection vehicle driving wheel 43 transmits power to the detection vehicle driven wheel 36 through the detection vehicle synchronous wheel 57 and the belt so that the detection vehicle obtains crawling power. The driving wheels 43 of the detection vehicle at two sides are respectively powered by independent driving motors 48 of the detection vehicle, the speed of the driving motors 48 at two sides is controlled to steer the light source vehicle, and the rotation direction of the driving motors is controlled to drive the detection vehicle forward and backward. The photoelectric switch 55 is connected with the detection vehicle control main board 39, when the photoelectric switch 55 detects that an obstacle exists, a signal is transmitted to the singlechip of the detection vehicle control main board 39, and the singlechip sends out an instruction to enable the detection vehicle to stop crawling. The singlechip on the detection vehicle control main board 39 converts the light spot position signals on the light spot position sensor 32 into digital signals through the acquisition circuit, and sends the digital signals to the handheld terminal through the antenna. The motor driving circuit on the detection vehicle driving plate 49 controls the linear motor 31 to move, and the linear motor 31 drives the light spot position sensor 32 to adjust in the horizontal direction, so that light spots are tracked. Measurement software on the handheld terminal displays and stores the received measurement data. Lifting the inspection vehicle rocker 46 upward breaks the rear of the inspection vehicle chassis, facilitating removal of the inspection vehicle.
Before the measurement starts, the light source vehicle and the detection vehicle are placed at two ends of a girder web plate of the crane, and light beams emitted by the light source vehicle are automatically aligned with the center of a light spot position sensor of the detection vehicle, so that a reference light beam with equal height is established. In the measuring process, the light source vehicle is kept still, and the detection vehicle automatically crawls on the web plate of the main beam. The detection vehicle can creep and record creeping displacement, and the center of the light spot position sensor on the detection vehicle can continuously detect the light spot position. The data in the vertical direction of the light spots guide the detection vehicle to turn to perform dynamic adjustment, so that the detection vehicle always keeps crawling along the straight line of the light beam, the data in the horizontal direction of the light spots are the wave degree data of the web plate of the main beam at the current position, and meanwhile, the linear motor is guided to perform dynamic adjustment, so that the detection range is enlarged. The detection vehicle transmits the measurement position and the numerical value to the handheld terminal in real time for display, and a measurement report and a measurement curve are generated.
The laser source adopts the circular grating technology and can provide collimated laser beams for system measurement. In the initial alignment mode, the light beam can be transversely and longitudinally electrically moved to continuously adjust, and the measuring target bulls-eye is automatically aligned. The detection vehicle adopts a high-precision spot position automatic detection technology and a precise linear motor dragging technology, and improves the detection precision from 0.5mm measured by a steel ruler to 0.1mm, so that the spot height can be dynamically tracked, and the spot detection range is enlarged. The detection vehicle can automatically track the laser beam in the whole course, automatically correct the deviation track and actively avoid approaching obstacles. The detection vehicle and the handheld terminal can be in wireless communication, the comprehensive measurement software running on the handheld terminal can set measurement parameters such as measurement intervals, measurement lengths and the like for the detection vehicle, display measurement data, the light source vehicle and the residual battery power of the detection vehicle, calculate the measurement data in1 meter according to relevant standards, recursively calculate the measurement data with the minimum detection density of 5cm, and can envelop more abundant measurement forms than the measurement of a steel ruler, so that the detection result is real and comprehensive and is free from omission. The software can receive the detection data in real time and can read the memory data of the dynamic detection vehicle at one time to generate a web horizontal bending curve and a test report.
The present application has been described in terms of embodiments, and it will be appreciated by those of skill in the art that various changes can be made to the features and embodiments, or equivalents can be substituted, without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. Steel construction warp detection device, its characterized in that: the device comprises a light source vehicle and a detection vehicle, wherein a laser tube (20) is arranged in a laser tube sleeve fixing cavity (62) in the light source vehicle, a laser emitting port (3) is arranged at the front part of the light source vehicle, a light source vehicle control main board (60) is arranged in the light source vehicle, and the light source vehicle control main board (60) is connected with the laser tube (20); a spot position sensor (32) is arranged in the detection vehicle, a detection vehicle control main board (39) is arranged in the detection vehicle, and the detection vehicle control main board (39) is connected with the spot position sensor (32); the light source vehicle control main board (60) is in communication connection with the detection vehicle control main board (39) through the light source vehicle antenna (4) and the detection vehicle antenna (51), and the light source vehicle adjusts the laser direction of the laser tube (20) in the vertical and horizontal directions to enable the center of a light spot to coincide with the target center of the detection vehicle; the light source driving wheels (9) are arranged on two sides of the lower front part of the chassis (23) of the light source vehicle, the light source vehicle driven wheels (30) are arranged on the rear part of the lower side of the chassis (23) of the light source vehicle, the light source vehicle is internally provided with a left light source vehicle driving motor and a right light source vehicle driving motor (26), the output shafts of the light source vehicle driving motors (26) are provided with light source vehicle driving gears (28), the left light source vehicle driving gears (28) are respectively meshed with the left light source vehicle driven gears (29) and are arranged on the chassis (23) of the light source vehicle through shafts, the light source vehicle driven gears (29) and the light source vehicle driving wheels (9) are coaxially arranged and are positioned on the inner side of the light source vehicle driving wheels (9), the light source vehicle synchronous wheels (24) on the front part and the light source vehicle driving wheels (30) on the two sides and the rear part are coaxially arranged, and the light source vehicle driving belts (11) are arranged between the front light source vehicle synchronous wheels (24) and the rear light source vehicle synchronous wheels (24) on the same side; the light source vehicle control main board (60) is connected with the light source vehicle driving board (61), the light source vehicle driving board (61) is electrically connected with the left light source vehicle driving motor and the right light source vehicle driving motor (26), and the light source vehicle driving motor (26) is arranged in the light source vehicle through the light source vehicle driving motor seat (27); a laser tube sleeve (19) is arranged in a laser tube sleeve fixing cavity (62) of the light source vehicle, a laser tube (20) is arranged on the inner front side of the laser tube sleeve (19), a vertical adjusting motor (13) and a horizontal adjusting motor (10) are arranged on the outer side of the rear part of the laser tube sleeve (19) through a motor fixing seat (16), the vertical adjusting motor (13) and the horizontal adjusting motor (10) are respectively connected with a threaded shaft (17), and a threaded sleeve (18) is arranged on the threaded shaft (17); the outside of the laser pipe sleeve (19) is provided with a vertical limit switch (12) and a horizontal limit switch (14), the vertical adjustment motor (13) and the horizontal adjustment motor (10) are electrically connected with a light source vehicle driving plate (61), and the vertical limit switch (12) and the horizontal limit switch (14) are electrically connected with a light source vehicle control main plate (60); the detection vehicle comprises a chassis (58) of the detection vehicle, detection vehicle driving wheels (43) are arranged on two sides of the lower side of the chassis (58), detection vehicle driven wheels (36) are arranged on the rear side of the lower side of the chassis (58) of the detection vehicle, two detection vehicle driving motors (48) are arranged in a light source vehicle, detection vehicle driving gears (42) are arranged on output shafts of the detection vehicle driving motors (48), the detection vehicle driving gears (42) are meshed with the detection vehicle driven gears (41), the detection vehicle driving wheels (43), the detection vehicle driven wheels (36) and detection vehicle synchronous wheels (57) on the front part are coaxially arranged, the detection vehicle driven wheels (36) are axially arranged on the chassis (58) of the detection vehicle, the detection vehicle synchronous wheels (57) on the rear part are coaxially arranged with the detection vehicle driven wheels (36) on two sides, and a detection vehicle driving belt is arranged between the front detection vehicle synchronous wheels and the detection vehicle synchronous wheels (57) on the same side; the detection vehicle control main board (39) is connected with a detection vehicle driving board (49), the detection vehicle driving board (49) is electrically connected with a left detection vehicle driving motor and a right detection vehicle driving motor (48), and the detection vehicle driving motor (48) is arranged in the detection vehicle through a detection vehicle driving motor seat (47); the light source car shell (5) and the detection car shell (50) are respectively provided with a light source car rocker (6) and a detection car rocker (46), and the light source car rocker (6) is arranged on the light source car shell (5) through a light source car rocker shaft (7) and a light source car bearing (8); the detection rocker (46) is mounted on the detection car housing (50) through the detection rocker shaft (45) and the detection car bearing (44).
2. The steel structure warp detection device according to claim 1, wherein: the front side in the detection vehicle shell (50) is provided with a light spot position sensor (32), and the light spot position sensor (32) is connected with a linear motor (31).
3. The steel structure warp detection device according to claim 1, wherein: the front side of the light spot position sensor (32) is provided with an optical filter (33) and a retainer ring (34).
4. The steel structure warp detection device according to claim 2, wherein: the lower sides of the chassis (23) and the detection chassis (58) of the light source vehicle are respectively provided with a light source vehicle magnet (21) and a detection vehicle magnet (59).
5. The steel structure warp detection device according to claim 1, wherein: the detection vehicle further comprises a handheld terminal, and the handheld terminal is electrically connected with the detection vehicle control main board (39).
6. The steel structure warp detection device according to claim 1, wherein: an obstacle detection sensor is arranged at the front part of the detection vehicle shell (50), and the obstacle detection sensor is electrically connected with a detection vehicle control main board (39).
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| CN202010651659.9A CN111649689B (en) | 2020-07-08 | 2020-07-08 | Steel construction warp detection device |
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| CN202010651659.9A CN111649689B (en) | 2020-07-08 | 2020-07-08 | Steel construction warp detection device |
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| CN111649689B true CN111649689B (en) | 2024-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112923862B (en) * | 2021-03-31 | 2024-05-07 | 大连达发科技有限公司 | Track geometry detection device |
| CN113280749A (en) * | 2021-06-02 | 2021-08-20 | 钱国忠 | Instrument for measuring warping degree of web plate of large plate girder |
| CN117299585A (en) * | 2023-09-28 | 2023-12-29 | 深圳市铭辉源科技有限公司 | Non-contact type warping degree thickness tester |
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