CN107816975A - Suspension type sky iron guideway beam automatic checkout system - Google Patents

Suspension type sky iron guideway beam automatic checkout system Download PDF

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Publication number
CN107816975A
CN107816975A CN201711232359.1A CN201711232359A CN107816975A CN 107816975 A CN107816975 A CN 107816975A CN 201711232359 A CN201711232359 A CN 201711232359A CN 107816975 A CN107816975 A CN 107816975A
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China
Prior art keywords
sensor
vehicle body
camera
suspension type
track girder
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Granted
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CN201711232359.1A
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CN107816975B (en
Inventor
鲁昭
周津斌
李黎
胡步毛
李伟东
马远帅
安坤
王江浩
张超
尤广杰
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China Railway Liuyuan Group Co Ltd
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China Railway Liuyuan Group Co Ltd
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Priority to CN201711232359.1A priority Critical patent/CN107816975B/en
Publication of CN107816975A publication Critical patent/CN107816975A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • G01C11/02Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a kind of suspension type sky iron track bridge automatic checkout system,Including control system (11),Sensor signal reception device (12),First sensor (13),Non-contact surface temperature sensor (14),Second sensor (15),Web displacement transducer (16) and vibration signal acquisition device (17),The camera (6) of track girder (1) is connected to by telescopic arm (5) and checks car vehicle body (3),The installation control system (11) on car vehicle body is checked,Control system (11) control lighting apparatus (8),Camera (6),The advance of telescopic arm (5) and vehicle,Retreat and stop,Non-contact surface temperature sensor (14),Second sensor (15) vibration signal acquisition device (17) is installed in the bottom for checking car vehicle body (3).The present invention can realize unmanned with Remote, facilitate and control outside testing staff.

Description

Suspension type sky iron guideway beam automatic checkout system
Technical field
The present invention relates to technical field of buildings, especially a kind of automatic detection system applied to suspension type monorail traffic bridge System.
Background technology
The automatic checkout system of bridge is the important component of Bridge Maintenance Management System, for ensureing bridge structure peace Play an important roll entirely.Recently as the fast development of national track traffic cause, there are many novel rail systems Formula.Suspension type rail traffic system is also known as overhead rail, referred to as empty rail.It is characterized in vehicle hanging below box-shaped track girder Traveling, track girder are supported in the air by steel column or reinforced concrete upright column, and the travelling wheel and directive wheel of vehicle are respectively positioned on box-girder Rail running that is interior, and being set along inside beam body.
Track girder is both the load-carrying members of train, is the track of train operation again, has carrying, guiding and stable vehicle concurrently Multi-functional, inside are provided with power rail, rail, guided way and communication cable, are the box steel beam structure of lower opening.Track Beam itself will embody the factors such as the plane curve of circuit, vertical curve, it is necessary to possess good intensity, rigidity, stability and Produce the precision of assembling.Steel box-girder by production assembling process in alignment error, bear vehicular load, residing natural environment for a long time The factors such as acid-base property influence, and easily produce the diseases such as connection defect, fatigue crack, corrosion of steel, application deterioration, these disease meetings Seriously affect the safe for operation of suspension type rail traffic.
The inspection of steel bridge divides current check, inspects periodically four kinds of (detailed inspection), special examined and certificate test.Daily inspection Look into mainly by daily tour, using visual method, bridge main body structure and pier are checked.Due to track girder from the ground compared with Height, inner space is smaller, and is opening section, is not easy to inspection personnel inside track girder or top carries out current check. When circuit is longer, the special construction among circuit or specific position are inspected periodically or special examined there is also certain Difficulty, it is less efficient and vehicle normal pass on bridge can be influenceed.
Therefore, it is necessary to which a kind of check equipment, facilitate routine testing and the maintenance of guideway beam, the monitoring operation phase can be identified Between track girder safe condition, avoid the generation of bridge security accident.
The content of the invention
For above-mentioned problem, it is an object of the invention to provide a kind of suspension type sky iron track bridge automatic detection system System, meet suspension type rail traffic steel box-girder routine testing and the requirement safeguarded, and track girder is carried out according to the data collected The overall safety evaluation of bridge.
The technical scheme is that:A kind of suspension type sky iron track bridge automatic checkout system, including track girder 1, lead To wheel 2, check car vehicle body 3, travelling wheel 4, telescopic arm 5, camera 6, steel column 7, illuminating lamp 8, seat 9, battery 10, control system System 11, sensor signal reception device 12, first sensor 13, non-contact surface temperature sensor 14, second sensor 15, Web displacement transducer 16 and vibration signal acquisition device 17, the contacts baseplate of the road wheel 4 and track girder 1, the guiding Wheel 2 contacts with the web of track girder 1, the top-set seat chair 9 of inspection car vehicle body 3, illuminating lamp 8 is provided with the inspection car vehicle body 3, The camera 6 of the track girder 1 is connected to by telescopic arm 5 checks car vehicle body 3, described 360 degree of rotations of camera, in the inspection Installation control system 11 on car vehicle body is looked into, the control system 11 controls lighting apparatus 8, camera 6, telescopic arm 5 and vehicle Advance, retrogressing and stopping, the sensor signal reception device 12 is in the control system 11, the He of first sensor 13 Web displacement transducer 16 is symmetrically mounted on the side of two telescopic arms 5, the non-contact surface temperature sensor 14, second The vibration signal acquisition device 17 of sensor 15 is installed in the bottom for checking car vehicle body 3.
Further, the first sensor 13 includes environment temperature sensor and humidity sensor.
Further, the second sensor 15 includes floor shifting sensor, obliquity sensor and odometer sensor.
Further, the camera 6 inside the track girder 1 has six, wherein four are placed in and check car vehicle body 3 The side position of top two, sampling of taking pictures is carried out to the top plate and web of track girder 1;Two other, which is placed in, checks the front end of car vehicle body 3 Lower position, sampling of taking pictures is carried out to the bottom plate of track girder 1.
Further, the camera 6 outside the track girder 1 has three, is connected to by telescopic arm 5 under vehicle body Portion, sampling of being taken pictures to the outside of track girder 1 and steel column 7.
Further, the illuminating lamp 8 has four, each two of vehicle body front and back end.
Further, the monitoring of control system 11 checks the running position of car, when checking that car passes through switch location, leads to The recovery that control system 11 controls telescopic arm 5 is crossed, outside camera 6 is received into the lower section of track girder 1, reaches and passes through track switch Purpose.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) inspection car of the invention can be walked in all fronts, and camera is inside and outside to track girder to be imaged and taken pictures, The temperature and humidity data of vibration signal, track girder environment when sensor gathers walking in real time, track girder backplate surface temperature, The uneven surface of track steel plate longitudinal irregularity, horizontal irregularity and web, all fronts track beam structure can be grasped comprehensively Safe condition and disease incidence.
(2) present invention can replace manually estimating the major way as current check, to bridge main body structure and bridge pier Checked.
(3) present invention can realize unmanned with Remote, facilitate and control outside testing staff.
(4) present invention travels after being connected to the operation car of zero load, saves electric power.
Brief description of the drawings
Fig. 1 is the structural facades schematic diagram of the present invention.
Fig. 2 is the structural side view of the present invention.
Fig. 3 is the structure top view of the present invention.
Fig. 4 is the theory diagram of the present invention.
In figure:1- track girders, 2- directive wheels, 3- check car vehicle body, 4- travelling wheels, 5- telescopic arms, 6- cameras, 7- steel Post, 8- illuminating lamps, 9- seats, 10- batteries, 11- control systems, 12- sensor signal reception devices, 13- first sensors, 14- non-contact surface temperature sensors, 15- second sensors, 16- web displacement transducers, 17- vibration signals collectings dress Put.
Embodiment
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention is further illustrated with reference to the accompanying drawings and examples.
Such as Fig. 1-Fig. 4, empty rail of the invention checks car, including travelling wheel 4 and and track with the contacts baseplate of track girder 1 The directive wheel 2 of web contact, travelling wheel 4 and directive wheel 2 are that elastomeric material makes.Steel checks the top-set seat chair of car vehicle body 3 9, a people can be carried.Directive wheel 2 ensure that the direction of advance of vehicle and horizontal stabilization, travelling wheel 4 are available for vehicle to advance and tie up Hold vertical stabilization.
Check that the mode that car provides power there are two kinds:A kind of mode is to be connected on behind the vehicle in use of zero load, by operation car For check car power is provided;Another way is by the vehicle-mounted driven by power of battery 10.
Car is provided with illuminating lamp 8, totally four, each two of vehicle body front and back end, can meet that camera images in track girder 1 With the light requirement for sampling of taking pictures.The camera 6 of track girder 1 is connected to vehicle body 3 by telescopic arm 5, and camera can be with 360 degree of rotations Turn.Camera 6 inside track girder 1 has six, wherein four are placed in the side position of body top section two, can be to track girder 1 Top plate carries out sampling of taking pictures with web;Two other is placed in the lower position for checking Chinese herbaceous peony end, can be to the bottom plate of track girder 1 Carry out sampling of taking pictures.The outside camera 6 of track girder 1 has three, and being connected to body bottom section by telescopic arm 5 can be to track girder 1 Outside and steel column 7 are taken pictures sampling.
Installation control system 11 on vehicle body, operating personnel can be driven by control system with Remote.Control system 11 can control advance, retrogressing and the stopping of lighting apparatus 8, camera 6, telescopic arm 5 and vehicle.Control system monitoring checks The running position of car, when checking that car passes through switch location, telescopic arm is controlled to reclaim by control system 11, by outside camera 6 receive the lower section of track girder 1, reach the purpose for passing through track switch.When checking that car failure can not walk, control system is certainly Dynamic alarm, and position coordinates is sent, wait for rescue.
Check that car can walk inside track girder, carry automatic checking device, people worker can be used to drive, or using remote Journey is remotely controlled, and is realized unmanned.
Environment temperature and humidity sensor, for acquisition trajectory beam interior environment temperature and humidity information, and send to letter Number reception device.
Non-contact surface temperature sensor 14, for the temperature information of acquisition trajectory joist steel plate surface, and send to letter Number reception device.
Floor shifting sensor, obliquity sensor and odometer sensor, the data collected are carried out processing and directly obtained High-precision sole-plate longitudinal irregularity, horizontal irregularity, 16 data collected of web displacement transducer are handled Directly obtain the uneven surface of web.
The vibration signal acquisition device 17 on car is checked, the vibration signal checked when garage is walked can be gathered, and send extremely Signal receiving device.The information that background process personnel are gathered by Treatment Analysis finds the problem of track girder position and examined in time Look into.
Because the data result of multiple automatic detection can be adapted to together by the present invention as the major way of current check The temperature of the environment temperature of one standard, humidity and bridge floor, the data result of analysis single detection simultaneously contrast repeated detection data As a result average value, judge that its changing value whether in term of reference set in advance, judges the working condition and its disease of total Evil development degree, so as to carry out the security of the special components such as automatic identification guideway beam overall structure and expansion joint.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.

Claims (8)

  1. A kind of 1. suspension type sky iron track bridge automatic checkout system, it is characterised in that including track girder (1), directive wheel (2), Check car vehicle body (3), travelling wheel (4), telescopic arm (5), camera (6), steel column (7), illuminating lamp (8), seat (9), battery (10), control system (11), sensor signal reception device (12), first sensor (13), non-contact surface TEMP Device (14), second sensor (15), web displacement transducer (16) and vibration signal acquisition device (17), the road wheel (4) With the contacts baseplate of track girder (1), the directive wheel (2) contacts with track girder (1) web, is put on the inspection car vehicle body (3) Seat (9), illuminating lamp (8) is provided with the inspection car vehicle body (3), the camera (6) of the track girder (1) passes through telescopic arm (5) it is connected to and checks car vehicle body (3), described 360 degree of rotations of camera, the installation control system on the inspection car vehicle body (11), the advance of the control system (11) control lighting apparatus (8), camera (6), telescopic arm (5) and vehicle, retreat with Stop, the sensor signal reception device (12) is in control system (11), the first sensor (13) and web position Displacement sensor (16) is symmetrically mounted on the side of two telescopic arms (5), the non-contact surface temperature sensor (14), second Sensor (15) vibration signal acquisition device (17) is installed in the bottom for checking car vehicle body (3).
  2. 2. a kind of suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that described One sensor (13) includes environment temperature sensor and humidity sensor.
  3. 3. a kind of suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that described Two sensors (15) include floor shifting sensor, obliquity sensor and odometer sensor.
  4. 4. a kind of suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that positioned at institute Stating the internal camera (6) of track girder (1) has six, wherein four cameras (6), which are placed in, checks car vehicle body (3) top both sides Position, sampling of taking pictures is carried out to the top plate and web of track girder (1);Two other camera (6), which is placed in, checks car vehicle body (3) The lower position of front end, sampling of taking pictures is carried out to the bottom plate of track girder (1).
  5. 5. a kind of suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that positioned at institute Stating the outside camera (6) of track girder (1) has three, and the camera (6) is connected to body bottom section by telescopic arm (5), right On the outside of track girder (1) and steel column (7) is taken pictures sampling.
  6. A kind of 6. suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that the photograph Bright lamp (8) has four, each two of vehicle body front and back end.
  7. A kind of 7. suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that the control System (11) monitoring processed checks the running position of car, when checking that car passes through switch location, is stretched by control system (11) control The recovery of contracting arm (5), outside camera (6) is received below track girder (1), reaches the purpose for passing through track switch.
  8. 8. a kind of suspension type sky iron track bridge automatic checkout system according to claim 1, it is characterised in that check car The mode for providing power has two kinds:A kind of mode is to be connected on behind the vehicle in use of zero load, is provided by vehicle in use for inspection car Power;Another way is by the vehicle-mounted driven by power of battery 10.
CN201711232359.1A 2017-11-30 2017-11-30 Automatic detection system for suspended empty rail bridge Active CN107816975B (en)

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Application Number Priority Date Filing Date Title
CN201711232359.1A CN107816975B (en) 2017-11-30 2017-11-30 Automatic detection system for suspended empty rail bridge

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Application Number Priority Date Filing Date Title
CN201711232359.1A CN107816975B (en) 2017-11-30 2017-11-30 Automatic detection system for suspended empty rail bridge

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109572727A (en) * 2019-01-24 2019-04-05 成都建工第六建筑工程有限公司 A kind of sky iron track girder inner wall Inspection and maintenance trolley
CN109905667A (en) * 2019-02-18 2019-06-18 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of video monitoring system suitable for large span special construction bridge
CN111267902A (en) * 2020-02-03 2020-06-12 中国铁建重工集团股份有限公司 Detection assembly, control method and device of detection assembly and readable storage medium
CN111845809A (en) * 2020-07-13 2020-10-30 桂林电子科技大学 Detection device and method for internal structure of suspension type monorail box type track beam
CN111855246A (en) * 2020-07-06 2020-10-30 大连理工大学 Vehicle-mounted sensing device and method for measuring vibration displacement of bridge
CN111907556A (en) * 2020-07-16 2020-11-10 合肥德泰科通测控技术有限公司 Unmanned robot of patrolling and examining based on railway barrier net

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08128015A (en) * 1994-10-31 1996-05-21 Matsushita Electric Ind Co Ltd Bridge beam inspection facility and its inspection robot
DE102011080720A1 (en) * 2011-08-10 2013-02-14 Robert Bosch Gmbh Method for predictive monitoring of track in driving assistance system of vehicle, involves detecting environmental data concerning to track section by environment sensor system of vehicle before detecting gradient change
CN203700955U (en) * 2014-01-27 2014-07-09 桑贤克 Bridge detection vehicle
CN104775342A (en) * 2015-04-10 2015-07-15 北京力铁轨道交通设备有限公司 Quick geometrical state measuring instrument for track
CN105783997A (en) * 2016-04-11 2016-07-20 中铁大桥科学研究院有限公司 Automatic detection device and method of bridge box girder
CN207515778U (en) * 2017-11-30 2018-06-19 中铁第六勘察设计院集团有限公司 Suspension type sky iron track bridge automatic checkout system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08128015A (en) * 1994-10-31 1996-05-21 Matsushita Electric Ind Co Ltd Bridge beam inspection facility and its inspection robot
DE102011080720A1 (en) * 2011-08-10 2013-02-14 Robert Bosch Gmbh Method for predictive monitoring of track in driving assistance system of vehicle, involves detecting environmental data concerning to track section by environment sensor system of vehicle before detecting gradient change
CN203700955U (en) * 2014-01-27 2014-07-09 桑贤克 Bridge detection vehicle
CN104775342A (en) * 2015-04-10 2015-07-15 北京力铁轨道交通设备有限公司 Quick geometrical state measuring instrument for track
CN105783997A (en) * 2016-04-11 2016-07-20 中铁大桥科学研究院有限公司 Automatic detection device and method of bridge box girder
CN207515778U (en) * 2017-11-30 2018-06-19 中铁第六勘察设计院集团有限公司 Suspension type sky iron track bridge automatic checkout system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109572727A (en) * 2019-01-24 2019-04-05 成都建工第六建筑工程有限公司 A kind of sky iron track girder inner wall Inspection and maintenance trolley
CN109905667A (en) * 2019-02-18 2019-06-18 中国铁道科学研究院集团有限公司铁道建筑研究所 A kind of video monitoring system suitable for large span special construction bridge
CN111267902A (en) * 2020-02-03 2020-06-12 中国铁建重工集团股份有限公司 Detection assembly, control method and device of detection assembly and readable storage medium
CN111267902B (en) * 2020-02-03 2024-01-19 中国铁建重工集团股份有限公司 Detection assembly, control method and device of detection assembly, and readable storage medium
CN111855246A (en) * 2020-07-06 2020-10-30 大连理工大学 Vehicle-mounted sensing device and method for measuring vibration displacement of bridge
CN111855246B (en) * 2020-07-06 2021-12-03 大连理工大学 Vehicle-mounted sensing device and method for measuring vibration displacement of bridge
CN111845809A (en) * 2020-07-13 2020-10-30 桂林电子科技大学 Detection device and method for internal structure of suspension type monorail box type track beam
CN111907556A (en) * 2020-07-16 2020-11-10 合肥德泰科通测控技术有限公司 Unmanned robot of patrolling and examining based on railway barrier net
CN111907556B (en) * 2020-07-16 2023-02-03 合肥德泰科通测控技术有限公司 Unmanned robot of patrolling and examining based on railway barrier net

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