CN201397130Y - Bridge linear automatic mapping system - Google Patents

Bridge linear automatic mapping system Download PDF

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Publication number
CN201397130Y
CN201397130Y CN2009201268290U CN200920126829U CN201397130Y CN 201397130 Y CN201397130 Y CN 201397130Y CN 2009201268290 U CN2009201268290 U CN 2009201268290U CN 200920126829 U CN200920126829 U CN 200920126829U CN 201397130 Y CN201397130 Y CN 201397130Y
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subsystem
laser
data
module
data acquisition
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宋军
张奔牛
张开洪
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Chongqing Jiaotong University
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Chongqing Jiaotong University
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Abstract

本实用新型公开了一种桥梁线形自动测绘系统,包括激光发射子系统、数据采集子系统和数据处理子系统;所述激光发射子系统包括激光控制模块和激光发射装置,所述数据采集装置包括数据采集模块、线性光电传感器和测距及驱动模块;所述数据处理子系统包括数据处理主机和通信模块,本实用新型只需在固定参考点放置激光发射子系统置,数据采集子系统通过桥面并将所采集挠度和距离数据传输到数据处理子系统,数据处理子系统对所接收的数据进行处理和曲线拟合便可完成桥梁线形测绘,能够克服现有桥梁线形测量仪器速度慢、精度低、测量时间过长、操作繁琐等缺点。

Figure 200920126829

The utility model discloses a bridge alignment automatic surveying and mapping system, which comprises a laser emission subsystem, a data acquisition subsystem and a data processing subsystem; the laser emission subsystem includes a laser control module and a laser emission device, and the data acquisition device includes Data acquisition module, linear photoelectric sensor and ranging and driving module; the data processing subsystem includes a data processing host and a communication module. The utility model only needs to place the laser emitting subsystem at a fixed reference point, and the data acquisition subsystem passes through the surface and transmit the collected deflection and distance data to the data processing subsystem. The data processing subsystem can process the received data and curve fitting to complete the bridge alignment surveying and mapping, which can overcome the slow speed and accuracy of the existing bridge alignment measurement instruments. Low, long measurement time, cumbersome operation and other shortcomings.

Figure 200920126829

Description

The linear auto-mapping system of bridge
Technical field
The utility model relates to a kind of continuous amount of deflection harvester, the linear auto-mapping system of particularly a kind of bridge.
Background technology
Bridge floor is linear to be that bridge detects and the important content and the conventional project of quality control on construction.The bridge horizontal alignment mainly refers to the horizontal alignment of bridge floor characteristic curve, comprises that mainly completion is linear and detect linear.Being completed linear is reflection bridge construction error, the leading indicator of construction quality.Detect the bridge horizontal alignment of different operating modes in the linear main reflection bridge load test, its situation and difference have reflected the bridge construction quality, many information of aspects such as security.Horizontal alignment measure mainly be measure design axis (or parallel lines) each operating mode lower plane linear in final acceptance of construction or that detect of bridge with design linear with the odd-job condition under the comparison of horizontal alignment, and compare with the horizontal alignment in when design or other periods, to judge and to analyze the state and the security of bridge.
The utility model content
In view of this, the purpose of this utility model provides the linear auto-mapping system of a kind of bridge, can overcome existing slow, the shortcomings such as precision is low, Measuring Time is long, complex operation of linear measurement instrument speed.
The linear auto-mapping system of bridge of the present utility model comprises Laser emission subsystem, data acquisition subsystem, data process subsystem;
Described Laser emission subsystem comprises laser control module and laser beam emitting device, described Laser emission subsystem is arranged on the permanent datum, and described laser control module is sent the laser beam that horizontally rotates according to data process subsystem order control laser beam emitting device;
Described data acquisition subsystem comprises data acquisition module, the linear photoconductor sensor, delivery dolly and range finding and driver module, described data acquisition module, linear photoconductor sensor and range finding and driver module all are arranged on the delivery dolly, described range finding and driver module drive the stable distance of at the uniform velocity passing through by bridge floor and measurement delivery dolly of delivery dolly, described linear photoconductor sensor receives Laser emission subsystem laser signal and is converted into deflection data, and the range data of deflection data and respective point is sent to data process subsystem through the data acquisition module processing and with wireless mode;
Described data process subsystem comprises wireless transport module and data processing main frame, and described data processing main frame is connected with wireless transport module and realizes control and data transmission automatically by wireless transport module and data transmission subsystem and data acquisition subsystem;
Further, described Laser emission subsystem also comprises suspender I, and described laser beam emitting device is arranged on suspender I below and sagging naturally;
Further, described laser control module comprises wireless transmission part, Laser Driven part, described wireless transmission partly is used to receive the data process subsystem control command, and described Laser Driven is partly controlled laser beam emitting device and rotated emission of lasering beam in the horizontal direction;
Further, described laser beam emitting device comprises laser beam emitting head and focalizer, and described focalizer is placed on laser beam emitting head the place ahead;
Further, described Laser emission subsystem also comprises and is used for bracket I that the laser beam emitting device height is regulated;
Further, described data acquisition subsystem also comprises suspender II, and described linear photoconductor sensor places suspender II below and sagging naturally;
Further, described data acquisition module comprises signal processing and wireless transmission part, and described signal processing is handled the linear photoconductor sensor signal, is converted to the laser beam coordinate figure, partly is transferred to data process subsystem through described wireless transmission;
Further, described data acquisition subsystem also comprises and is used for bracket I I that the linear photoconductor sensor height is regulated, described bracket I I is arranged on the delivery dolly, and described suspender II, data acquisition module and linear photoconductor sensor all are arranged on the upper end of bracket I I.
The beneficial effects of the utility model are:
(1) simple to operate, measuring speed is fast.The laser beam autoscan, the problem that does not exist other measuring method accurately to aim at is as long as guarantee that the laser scanning height is in linear photoelectric sensor absolute altitude scope.The linear automatic drafting of bridge, and do not need frequent demarcation, thereby speed is fast, the time is short, and traffic control pressure reduces greatly when carrying out the bridge detection.Data acquiring frequency is set according to actual needs;
(2) precision height.The Laser emission subsystem places stable reference point, and corresponding suspender is arranged in Laser emission subsystem and the data acquisition subsystem, guarantee that laser beam gets the vertical of level and linear photoconductor sensor, therefore luffing angle of bridge own and upset variation are little to the measurement result influence, measuring error≤0.01mm;
Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
View when Fig. 1 uses for the utility model;
Fig. 2 is a Laser emission subsystem structure synoptic diagram;
Fig. 3 is the data acquisition subsystem structural representation;
Fig. 4 is the data process subsystem structural representation.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
1-Laser emission subsystem; The 2-data acquisition subsystem; The 3-data process subsystem; 5-comprises suspender I; The 6-laser control module; The 7-laser beam emitting device; The 8-bracket I; 9-suspender II; The 10-data acquisition module; 11-linear photoconductor sensor; 12-bracket I I; 13-delivers dolly; The 14-wireless transport module; 15-range finding and driver module; 16-data processing main frame.
As shown in Figure 1, the utility model comprises Laser emission subsystem 1, data acquisition subsystem 2, data process subsystem 3; The using method that the utility model is used for the deflection of bridge span measurement is as follows:
(1) laser beam emitting device is placed in permanent datum (bridge pier, bank stabilization place etc.), i.e. laser beam vertical direction invariant position and maintenance level.
(2) data collector is placed in the measured point, adjusts its height by support, guarantees that photoelectric sensor can detect laser beam in the measuring process.
(3) open laser beam emitting device, detect the data acquisition validity of data collector and carry out the initial value demarcation.
(4) at each measurement point, send the data acquisition system (DAS) open command by processing host, carry out data acquisition, currency deducts initial value and is deflection value, carries out the range data collection of this measurement point when gathering deflection data.
As shown in Figure 2, Laser emission subsystem 1 comprises laser control module 6 and laser beam emitting device 7, described Laser emission subsystem 1 is arranged on the permanent datum, and described laser control module 6 is sent the laser beam that horizontally rotates according to data process subsystem 3 order control laser beam emitting devices 7;
Laser emission subsystem 1 comprises suspender I 5, suspender I 5 becomes the big damping bearing of right-angled intersection to constitute by two, laser beam emitting device places suspender I below, naturally sagging under the effect of gravity, guarantee the horizontality of the laser beam sent, adjust its levelness by manual method and not be used in when measuring.
Laser control module 6 comprises wireless transmission part, Laser Driven part, and described wireless transmission part can receive the control command of data process subsystem 3; Described Laser Driven is partly controlled laser beam emitting device emitted laser bundle and is rotated in the certain angle scope in the horizontal direction, the anglec of rotation can be 30 °, 60 °, 90 ° ..., 360 °, thereby do not need mobile Laser emission subsystem 1 just can realize the measurement of multiple spot; The speed of laser beam emitting device 7 rotations and angular range are controlled according to measuring needs by data process subsystem 3.
Laser beam emitting device 7 is arranged on to be treated on the permanent datum, comprises laser beam emitting head and focalizer; The laser beam emitting head of selling on the market has certain angle of divergence (0.1~0.2mrad), the emergent pupil aperture is 5mm~10mm, and the maximum span of bridge is a hundreds of rice at present, along with the increase of measuring distance, laser generation scattering, laser spot diameter reaches 300mm~500mm.Laser spot diameter is too big, and light dies down, and can increase the spot identification difficulty, reduces system accuracy, therefore need focalizer be set in the place ahead of laser beam emitting head, can make laser spot diameter keep 20~30mm, guarantees light intensity; In addition, can also be at the outer setting dust cover of generating laser and focusing convex lens, to play effect dustproof and that support.
Laser emission subsystem 1 also comprises bracket I 8, can regulate the height of laser beam emitting device 7 by bracket I 8, guarantees that laser beam that laser beam emitting device is sent out can be got to linear photoconductor sensor height scope in deflection metrology process.
As shown in Figure 3, data acquisition subsystem 2 comprises suspender II 9, data acquisition module 10, linear photoconductor sensor 11, bracket I I 12, driving and range finder module 14, described linear photoconductor sensor 11 receives the laser signal of Laser emission subsystem 1, is sent to data process subsystem 3 through data acquisition module processing 10 and with data with wireless mode;
Suspender II 9 is made of two continuously big damping bearings that are right-angled intersection, and linear photoconductor sensor 11 places the below of suspender II 9, and is sagging naturally under the effect of gravity, guarantees the accuracy of test data.
Data acquisition module 10 comprises signal processing and wireless transmission part, and signal processing is handled the signal that linear photoconductor sensor 11 receives, and is converted to the laser beam coordinate figure, partly is transferred to data process subsystem 3 through wireless transmission.
Bracket I I 12 is arranged on the delivery dolly 13, suspender II 9, data acquisition module 10 and linear photoconductor sensor 11 all are arranged on the upper end of bracket I I 12, bracket I I 12 can regulate the height of linear photoconductor sensor 11, guarantees that laser beam emitting device 6 is sent out in the multiple spot deflection metrology process laser beam can get to the altitude range of linear photoconductor sensors 11 under any one data acquisition subsystem 2.
Driving and range finder module 14 drive delivery dollies 13 and travel at the uniform speed along bridge floor is stable, and according to the requirement of linear measurement, to bridge floor arbitrarily any distance measure and the amount of deflection and the range data of measurement point be transferred to data process subsystem 3 by data acquisition module 10.
As shown in Figure 4, data process subsystem 3 comprises wireless transport module 15 and data processing main frame 16, data processing main frame 16 is connected with wireless transport module 15, and realizes control and data transmission automatically by wireless transport module 15 and data transmission subsystem 1 and data acquisition subsystem 2.
Wherein, wireless transport module 15 receives the amount of deflection and the range data of data acquisition subsystem 2 measurement points and is sent to data processing main frame 16 to Laser emission subsystem 1 transmitting control commands.
To Laser emission subsystem 1 transmitting control commands, also handle with curve fitting and just can finish the linear mapping of bridge by the data of reception data acquisition subsystem 2 by wireless transport module 15 for data processing main frame 16.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (8)

1.桥梁线形自动测绘系统,其特征在于:包括激光发射子系统(1)、数据采集子系统(2)、数据处理子系统(3);1. The bridge alignment automatic surveying and mapping system is characterized in that: it includes a laser emitting subsystem (1), a data acquisition subsystem (2), and a data processing subsystem (3); 所述激光发射子系统(1)包括激光控制模块(6)和激光发射装置(7),所述激光发射子系统(1)设置在固定参考点上,所述激光控制模块(6)根据数据处理子系统(3)命令控制激光发射装置(7)发出水平旋转的激光束;The laser emission subsystem (1) includes a laser control module (6) and a laser emission device (7), the laser emission subsystem (1) is arranged on a fixed reference point, and the laser control module (6) according to the data The processing subsystem (3) commands and controls the laser emitting device (7) to emit a horizontally rotating laser beam; 所述数据采集子系统(2)包括数据采集模块(10)、线性光电传感器(11)、运载小车(13)和测距及驱动模块(14),所述数据采集模块(10)、线性光电传感器(11)和测距及驱动模块(15)均设置在运载小车(13)上,所述测距及驱动模块(14)用于驱动运载小车(13)并测量运载小车(13)通过的距离,所述线性光电传感器(11)用以接收激光发射子系统(1)所发出的激光信号,所述测距及驱动模块(15)和线性光电传感器(11)测得的数据经数据采集模块(10)处理并以无线方式传送到数据处理子系统(3);The data acquisition subsystem (2) comprises a data acquisition module (10), a linear photoelectric sensor (11), a carrying trolley (13) and a distance measuring and driving module (14), the data acquisition module (10), a linear photoelectric sensor The sensor (11) and the distance measuring and driving module (15) are all arranged on the carrying trolley (13), and the distance measuring and driving module (14) is used to drive the carrying trolley (13) and measure the passing distance of the carrying trolley (13). distance, the linear photoelectric sensor (11) is used to receive the laser signal sent by the laser emitting subsystem (1), and the data measured by the distance measuring and driving module (15) and the linear photoelectric sensor (11) are collected through data collection The module (10) processes and wirelessly transmits to the data processing subsystem (3); 所述数据处理子系统(3)包括无线传输模块(15)和数据处理主机(16),所述数据处理主机(16)与无线传输模块(15)连接且通过无线传输模块(15)与数据发射子系统(1)和数据采集子系统(2)实现自动控制和数据传输。The data processing subsystem (3) includes a wireless transmission module (15) and a data processing mainframe (16), and the data processing mainframe (16) is connected with the wireless transmission module (15) and communicates with the data through the wireless transmission module (15) The launch subsystem (1) and the data acquisition subsystem (2) realize automatic control and data transmission. 2.根据权利要求1所述的桥梁线形自动测绘系统,其特征在于:所述激光发射子系统还包括悬挂装置I(5),所述激光发射装置(7)设置在悬挂装置I(5)下方并自然下垂。2. The bridge alignment automatic surveying and mapping system according to claim 1, characterized in that: the laser emission subsystem also includes a suspension device 1 (5), and the laser emission device (7) is arranged on the suspension device 1 (5) down and droop naturally. 3.根据权利要求2所述的桥梁线形自动测绘系统,其特征在于:所述激光控制模块(6)包括无线传输部分、激光驱动部分,所述无线传输部分用于接收数据处理子系统(3)的控制命令,所述激光驱动部分控制激光发射装置(7)在水平方向上旋转发射激光束。3. The bridge alignment automatic surveying and mapping system according to claim 2, characterized in that: the laser control module (6) includes a wireless transmission part and a laser driving part, and the wireless transmission part is used to receive the data processing subsystem (3 ) control command, the laser driving part controls the laser emitting device (7) to rotate and emit the laser beam in the horizontal direction. 4.根据权利要求3所述的桥梁线形自动测绘系统,其特征在于:所述激光发射装置(7)包括激光发射头和聚焦装置,所述聚焦装置放置在激光发射头前方。4. The bridge alignment automatic surveying system according to claim 3, characterized in that: the laser emitting device (7) comprises a laser emitting head and a focusing device, and the focusing device is placed in front of the laser emitting head. 5.根据权利要求4所述的桥梁线形自动测绘系统,其特征在于:所述激光发射子系统(1)还包括用于对激光发射装置(7)高度进行调节的支架I(8)。5. The bridge alignment automatic surveying and mapping system according to claim 4, characterized in that: the laser emitting subsystem (1) also includes a bracket I (8) for adjusting the height of the laser emitting device (7). 6.根据权利要求5所述的桥梁线形自动测绘系统,其特征在于:所述数据采集子系统(2)还包括悬挂装置II(9),所述悬挂装置II(9)设置在运载小车(13)上,所述线性光电传感器(11)置于悬挂装置II(9)的下方并自然下垂。6. The bridge alignment automatic surveying and mapping system according to claim 5, characterized in that: the data acquisition subsystem (2) also includes a suspension device II (9), and the suspension device II (9) is arranged on the carrying trolley ( 13), the linear photoelectric sensor (11) is placed under the suspension device II (9) and hangs down naturally. 7.根据权利要求6所述的桥梁线形自动测绘系统,其特征在于:所述数据采集模块(10)包括信号处理部分和无线传输部分,所述信号处理部分对线性光电传感器(11)信号进行处理,经无线传输部分传输到数据处理子系统(3)。7. The bridge alignment automatic surveying and mapping system according to claim 6, characterized in that: the data acquisition module (10) includes a signal processing part and a wireless transmission part, and the signal processing part performs linear photoelectric sensor (11) signal processed, and transmitted to the data processing subsystem (3) via the wireless transmission part. 8.根据权利要求7所述的桥梁线形自动测绘系统,其特征在于:所述数据采集子系统(2)还包括用于对线性光电传感器(11)高度进行调节的支架II(12),所述支架II(12)设置在运载小车(13)上,所述悬挂装置II(9)、数据采集模块(10)和线性光电传感器(11)均设置在支架II(12)的上端。8. The bridge alignment automatic surveying and mapping system according to claim 7, characterized in that: the data acquisition subsystem (2) also includes a support II (12) for adjusting the height of the linear photoelectric sensor (11), the The support II (12) is arranged on the carrying trolley (13), and the suspension device II (9), data acquisition module (10) and linear photoelectric sensor (11) are all arranged on the upper end of the support II (12).
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Cited By (11)

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CN101915558A (en) * 2010-08-09 2010-12-15 重庆交通大学 A detection method for geometric alignment of bridge components
CN105180827A (en) * 2015-07-16 2015-12-23 武汉科技大学 Device for detecting crane main beam camber curve
CN108106550A (en) * 2017-12-20 2018-06-01 温州市创新市政建设工程有限公司 A kind of bridge construction height limiter
CN108387185A (en) * 2018-04-02 2018-08-10 三峡大学 A kind of Test in Situ structure facial disfigurement long term monitoring device and method based on electronic system
CN108917624A (en) * 2018-07-11 2018-11-30 中北大学 For the Calculation Method of Deflection of interior engine surface heat insulation layer Thickness sensitivity, device and heat insulation layer thickness detecting method, system
CN109930491A (en) * 2019-04-12 2019-06-25 广西大学 A kind of CFST Arch Bridge Construction mobile platform and linear detection system
CN111351434A (en) * 2020-04-22 2020-06-30 吉林建筑大学 A building monitoring device based on BIM technology
CN111351475A (en) * 2019-12-27 2020-06-30 中铁四局集团有限公司 An intelligent device for bridge alignment monitoring
CN114485412A (en) * 2021-12-13 2022-05-13 佛山市公路桥梁工程监测站有限公司 Bridge deflection measuring device and control method
CN115507745A (en) * 2022-09-20 2022-12-23 重庆交通大学 A spatial coordinate measuring instrument and measuring method for the nodes of the main arch ring of an arch bridge
CN117053718A (en) * 2023-10-11 2023-11-14 贵州黔程弘景工程咨询有限责任公司 Beam bottom linear model generation method based on beam bottom linear measurement

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CN101915558B (en) * 2010-08-09 2011-12-14 重庆交通大学 Geometric linear detection method of bridge member
CN101915558A (en) * 2010-08-09 2010-12-15 重庆交通大学 A detection method for geometric alignment of bridge components
CN105180827A (en) * 2015-07-16 2015-12-23 武汉科技大学 Device for detecting crane main beam camber curve
CN108106550B (en) * 2017-12-20 2020-04-24 武平县旺发电子商务有限公司 Height limiting device for bridge construction
CN108106550A (en) * 2017-12-20 2018-06-01 温州市创新市政建设工程有限公司 A kind of bridge construction height limiter
CN108387185A (en) * 2018-04-02 2018-08-10 三峡大学 A kind of Test in Situ structure facial disfigurement long term monitoring device and method based on electronic system
CN108917624A (en) * 2018-07-11 2018-11-30 中北大学 For the Calculation Method of Deflection of interior engine surface heat insulation layer Thickness sensitivity, device and heat insulation layer thickness detecting method, system
CN109930491A (en) * 2019-04-12 2019-06-25 广西大学 A kind of CFST Arch Bridge Construction mobile platform and linear detection system
CN111351475A (en) * 2019-12-27 2020-06-30 中铁四局集团有限公司 An intelligent device for bridge alignment monitoring
CN111351434A (en) * 2020-04-22 2020-06-30 吉林建筑大学 A building monitoring device based on BIM technology
CN114485412A (en) * 2021-12-13 2022-05-13 佛山市公路桥梁工程监测站有限公司 Bridge deflection measuring device and control method
CN114485412B (en) * 2021-12-13 2024-02-20 佛山市公路桥梁工程监测站有限公司 Bridge deflection measuring device and control method
CN115507745A (en) * 2022-09-20 2022-12-23 重庆交通大学 A spatial coordinate measuring instrument and measuring method for the nodes of the main arch ring of an arch bridge
CN117053718A (en) * 2023-10-11 2023-11-14 贵州黔程弘景工程咨询有限责任公司 Beam bottom linear model generation method based on beam bottom linear measurement
CN117053718B (en) * 2023-10-11 2023-12-12 贵州黔程弘景工程咨询有限责任公司 Beam bottom linear model generation method based on beam bottom linear measurement

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