CN109764826B - Detector for detecting appearance cross section shape of bridge inhaul cable at high speed - Google Patents
Detector for detecting appearance cross section shape of bridge inhaul cable at high speed Download PDFInfo
- Publication number
- CN109764826B CN109764826B CN201910185500.XA CN201910185500A CN109764826B CN 109764826 B CN109764826 B CN 109764826B CN 201910185500 A CN201910185500 A CN 201910185500A CN 109764826 B CN109764826 B CN 109764826B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- bridge
- detection cylinder
- profile
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 230000009193 crawling Effects 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The invention discloses a detector for detecting the appearance section shape of a bridge inhaul cable at high speed, which comprises a professional crawling robot, a detection cylinder, a profile measuring instrument and a supporting component, wherein a measuring object is a bridge inhaul cable cylinder, the professional crawling robot is positioned on the detected bridge inhaul cable cylinder, and the detection cylinder moves along the axial direction of the bridge inhaul cable cylinder along with the crawling robot; the supporting component is positioned at the upper part of the detection cylinder and is used for providing support to ensure that the radial displacement between the detection cylinder and the bridge guy wire cylinder is zero; the profile measuring instrument is arranged on the detection cylinder and is positioned between the supporting part and the professional crawling robot and used for measuring the circumferential section profile of the bridge guy wire cylinder. The invention can avoid the stay cable vibration measurement error caused by wind power, and simultaneously, the contour measurement technology is utilized to enable the acquisition of the full-coverage measurement data of the stay cable barrel to be quick and accurate, thereby having good application value.
Description
Technical Field
The invention belongs to the technical field of detection, relates to bridge detection, and in particular relates to a detector for detecting the appearance and the cross-section shape of a bridge inhaul cable at high speed.
Background
With the continuous development of technology, various bridge layers are endless, and the inhaul cable type bridge has been widely applied with the beautiful appearance and excellent performance. The inhaul cable type bridge mainly bears the gravity and load of the bridge through the inhaul cable, so that the damage state of the inhaul cable is important to the safety of the bridge.
The damage detection method of the bridge inhaul cable in the prior art mainly comprises the following steps: (1) And photographing and analyzing the inhaul cable and the outer sleeve by the crawling robot. The detection method has a great detection leak, can not obtain accurate information of cable damage in an omnibearing way, and can not accurately manage the health condition of the cable of the bridge and the high tower naturally. (2) And carrying out nondestructive detection on the bridge inhaul cable by using an electromagnetic flaw detection device. The detection method utilizes a plurality of excitation coils and detection coils to detect leakage magnetic flux at the broken wire of the inhaul cable to detect the damage state of the inhaul cable, an electromagnetic system and a mechanical device of the detection mode are complex, meanwhile, error judgment is easy to occur in the inhaul cable flaw detection formed by combining a plurality of steel cables, and especially damage to the inhaul cable sheath cannot be considered, and the breakage and deformation of the inhaul cable sheath can most reflect the health condition of the inhaul cable. (3) a mechanical displacement type or laser ranging type method is adopted. Although the detection method can realize full coverage detection, the range finder is required to repeatedly rotate in the measurement process, so that the detection speed cannot be too high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the detector for detecting the appearance and the cross-section shape of the bridge guy cable at high speed, so that the guy cable vibration measurement error caused by wind force can be avoided, and meanwhile, the acquisition of the full-coverage measurement data of the guy cable drum becomes quick and accurate by utilizing the contour measurement technology, and the detector has good application value.
For this purpose, the invention adopts the following technical scheme:
the detector comprises a professional crawling robot, a detection cylinder, a profile measuring instrument and a supporting component, wherein the measuring object is a bridge guy cylinder, and the professional crawling robot is positioned on the detected bridge guy cylinder; the detection cylinder is of a cylindrical structure for wrapping the bridge cable pulling cylinder, the detection cylinder is located above the professional crawling robot, the detection cylinder and the professional crawling robot are fixedly connected, and the detection cylinder moves along the axial direction of the bridge cable pulling cylinder along with the crawling robot; the supporting component is positioned at the upper part of the detection cylinder and is used for providing support so that the radial displacement between the detection cylinder and the bridge guy wire cylinder is zero; the profile measuring instrument is arranged on the detection cylinder, is positioned between the supporting component and the professional crawling robot and is used for measuring the circumferential section profile of the bridge cable cylinder.
Preferably, one end of the detection cylinder is fixedly connected with the crawling robot, and at least two supporting components are symmetrically arranged at the other end of the detection cylinder around the central axis of the bridge guy rope cylinder, so that the detection cylinder becomes a movable simply supported beam and the radial displacement between the detection cylinder and the bridge guy rope cylinder is ensured to be zero.
Preferably, the contact stiffness between the support member and the bridge guy tube is adjustable.
Preferably, the profile measuring instruments comprise a plurality of profile measuring instruments, each profile measuring instrument is mounted on the detection cylinder, and measuring rays of all the profile measuring instruments fully cover the outer circle profile of the bridge cable drum.
Preferably, the profile measuring device is arranged in layers along the axis of the measuring cylinder.
Preferably, the measuring sensor of the profile measuring instrument adopts a photoelectric profile measuring technology, and the circumferential section profile of the bridge cable drum can be measured without rotation.
Preferably, the profile meter includes a dual head mode and a single head simultaneous measurement mode.
Preferably, the detection cylinder is coaxially arranged on the professional crawling robot in a semicircular mode with the same diameter.
Compared with the prior art, the invention has the beneficial effects that:
(1) The method solves the problem of quick and accurate acquisition of the damage information of the bridge cable, and the damage state of the bridge cable is clearly provided for a bridge manager through the change of the external circular section form of the cable sheath, so that the maintenance of the bridge is reasonable and reasonable.
(2) The adjustable simple beam structure is adopted, so that the influence of inhaul cable vibration caused by wind power on the reality of measured data can be avoided; by adopting the contour measurement technology, the measurement of the omnibearing outer circular section of the rope pulling cylinder can be completed at high speed.
(3) Simple structure, convenient to use is the primary structure and the application innovation to long cable detection.
Drawings
Fig. 1 is a schematic structural diagram of a detector for detecting the appearance and the section shape of a bridge inhaul cable at high speed.
FIG. 2 is a schematic cross-sectional view of a cross-section A-A.
FIG. 3 is a schematic cross-sectional structure of a B-B cross-section.
Fig. 4 is a schematic layered layout diagram of a contour measuring instrument in the detector for detecting the appearance and the section shape of a bridge inhaul cable at high speed.
Reference numerals illustrate: 1. professional crawling robot; 2. a detection cylinder; 3. a profile measuring instrument; 4. a support member; 5. bridge guy wire cylinder.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments thereof, which are for explanation of the present invention only, but not for limitation of the present invention.
As shown in fig. 1, the invention discloses a detector for detecting the appearance and the cross-section shape of a bridge inhaul cable at high speed, which comprises a professional crawling robot 1, a detection cylinder 2, a profile measuring instrument 3 and a supporting part 4, wherein a measuring object is a bridge inhaul cable cylinder 5, and the professional crawling robot 1 is positioned on the detected bridge inhaul cable cylinder 5; the detection cylinder 2 is of a cylindrical structure for wrapping the bridge rope pulling cylinder 5, the detection cylinder 2 is positioned above the professional crawling robot 1 and is fixedly connected with the professional crawling robot 1, and the detection cylinder 2 moves along the axial direction of the bridge rope pulling cylinder 5 along with the crawling robot 1; the supporting component 4 is positioned at the upper part of the detection cylinder 2 and is used for providing support so that the radial displacement between the detection cylinder 2 and the bridge guy wire cylinder 5 is zero; the profile measuring instrument 3 is arranged on the detection cylinder 2 and is positioned between the supporting part 4 and the professional crawling robot 1 and is used for measuring the circumferential cross-section profile of the bridge guy tube 5. The profile meter 3 is specifically arranged and measured in the manner shown in fig. 2 and 3.
Specifically, one end of the detection cylinder 2 is fixedly connected with the crawling robot 1, and at least two support components 4 are symmetrically arranged at the other end around the central axis of the bridge guy wire cylinder 5, so that the detection cylinder 2 becomes a movable simply supported beam and the radial displacement between the detection cylinder 2 and the bridge guy wire cylinder 5 is ensured to be zero.
Specifically, the contact rigidity between the support member 4 and the bridge guy tube 5 is adjustable. Here, the front end of the supporting member 4 contacts with the outer circumferential surface of the bridge guy tube 5, the middle part of the supporting member 4 is provided with a spring, the tail part is provided with a screw rod structure, and the contact stiffness between the supporting member 4 and the bridge guy tube 5 is adjusted by rotating the screw rod to adjust the compression degree of the spring.
Specifically, the profile measuring instruments 3 include a plurality of profile measuring instruments 3, each profile measuring instrument 3 is mounted on the detecting cylinder 2, and measuring light rays of all the profile measuring instruments 3 fully cover the outer circle profile of the bridge cable drum 5.
Specifically, the profile meter 3 is arranged in layers along the axis of the detection cylinder 2. Fig. 4 is a schematic illustration of a layered arrangement of the profile-measuring device 3 with a number of 4.
Specifically, the measuring sensor of the profile measuring instrument 3 adopts a photoelectric profile measuring technology, and the circumferential section profile of the bridge cable drum 5 can be measured without rotation.
Specifically, the profile meter 3 includes a dual-head mode and a single-head simultaneous measurement mode. Here, the profile measuring apparatus 3 employs an LS-7000 series high-speed, high-precision CCD measuring apparatus, and specific parameters include: high reproducibility + -0.06 mu m, high speed up to 2400 samples/second, and no maintenance.
Specifically, the detection cylinder 2 is coaxially arranged on the professional crawling robot 1 in a semicircular mode with the same diameter.
Examples
The working flow of the detector for detecting the appearance cross-sectional shape of the bridge inhaul cable at high speed is as follows:
the special crawling robot 1 is arranged on a bridge guy tube 5 to be detected, the detection tube 2 is fixed on the special crawling robot 1, K supporting components 4 are arranged at the front end of the detection tube 2 in order to prevent displacement change between a guy cable and the detection tube 2 due to the action of wind force in the detection process, the supporting components 4 and the special crawling robot 1 enable the detection tube 2 to be a movable simple beam, and the contact rigidity between the supporting components 4 and the bridge guy tube 5 is adjustable. No matter how much wind force produces vibration of the bridge guy tube 5, the radial displacement of the detection tube 2 and the bridge guy tube 5 can be guaranteed to be zero, so that the authenticity of the measured data is guaranteed.
The measuring sensor in the profile measuring instrument 3 adopts a photoelectric profile measuring technology, namely N photoelectric distance measuring instruments are integrated into strip-shaped distance measurement, so that profile detection of an object to be measured is completed, the circumferential section of the bridge guy wire barrel 5 can be measured without rotation, and the high efficiency of measuring speed is ensured.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention, but any modifications, equivalents, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. The utility model provides a high-speed detector of detecting bridge cable appearance cross-sectional shape, includes that the specialty crawls robot (1), detects section of thick bamboo (2), profile measuring apparatu (3) and supporting part (4), and measuring object is bridge cable-drawing section of thick bamboo (5), the specialty crawls robot (1) and is located bridge cable-drawing section of thick bamboo (5) that are detected, its characterized in that: the detection cylinder (2) is of a cylindrical structure for wrapping the bridge rope pulling cylinder (5), the detection cylinder (2) is located above the professional crawling robot (1) and is fixedly connected with the professional crawling robot, and the detection cylinder (2) moves along the axial direction of the bridge rope pulling cylinder (5) along with the professional crawling robot (1); the supporting component (4) is positioned at the upper part of the detection cylinder (2) and is used for providing support so that the radial displacement between the detection cylinder (2) and the bridge guy wire cylinder (5) is zero; the profile measuring instrument (3) is arranged on the detection cylinder (2), is positioned between the supporting component (4) and the professional crawling robot (1) and is used for measuring the circumferential section profile of the bridge guy wire cylinder (5);
one end of the detection cylinder (2) is fixedly connected with the professional crawling robot (1), and the other end of the detection cylinder is symmetrically provided with at least two supporting parts (4) around the central axis of the bridge guy wire cylinder (5), so that the detection cylinder (2) is a movable simply supported beam and is used for ensuring that the radial displacement between the detection cylinder (2) and the bridge guy wire cylinder (5) is zero;
the contact rigidity between the supporting part (4) and the bridge guy tube (5) is adjustable;
the profile measuring instruments (3) comprise a plurality of profile measuring instruments, each profile measuring instrument (3) is arranged on the detection cylinder (2), and measuring rays of all the profile measuring instruments (3) fully cover the outer circle profile of the bridge cable drawing cylinder (5);
the profile measuring instrument (3) is arranged in layers along the axis of the detection cylinder (2);
the measuring sensor of the profile measuring instrument (3) adopts a photoelectric profile measuring technology, and can measure the circumferential section profile of the bridge cable drum (5) without rotation;
the profile measuring device (3) comprises a dual-head mode and a single-head simultaneous measurement mode.
2. The detector for detecting the appearance cross-sectional shape of a bridge cable at high speed according to claim 1, wherein: the detection cylinder (2) is coaxially arranged on the professional crawling robot (1) in a semicircular mode with the same diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185500.XA CN109764826B (en) | 2019-03-12 | 2019-03-12 | Detector for detecting appearance cross section shape of bridge inhaul cable at high speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185500.XA CN109764826B (en) | 2019-03-12 | 2019-03-12 | Detector for detecting appearance cross section shape of bridge inhaul cable at high speed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109764826A CN109764826A (en) | 2019-05-17 |
| CN109764826B true CN109764826B (en) | 2024-02-06 |
Family
ID=66458770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910185500.XA Active CN109764826B (en) | 2019-03-12 | 2019-03-12 | Detector for detecting appearance cross section shape of bridge inhaul cable at high speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764826B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295544B (en) * | 2019-07-29 | 2024-02-06 | 武汉冠油科技有限公司 | Rotary crawling detector for detecting external cross section shape of bridge inhaul cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096729Y (en) * | 2007-10-31 | 2008-08-06 | 重庆大学 | Bridge pulling rope surface detection device |
| CN103194967A (en) * | 2013-04-03 | 2013-07-10 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Detecting system of bridge cable |
| CN103439415A (en) * | 2013-09-09 | 2013-12-11 | 长沙理工大学 | Electromagnetic ultrasonic automatic detection crawler for exposed pipeline |
| CN104153293A (en) * | 2014-04-15 | 2014-11-19 | 宁波职业技术学院 | Cable examination robot |
| CN106930185A (en) * | 2017-03-30 | 2017-07-07 | 同济大学 | A kind of robot creeped for Character of Cable Force of Cable stayed Bridge |
| CN207987730U (en) * | 2017-12-23 | 2018-10-19 | 香港中文大学（深圳） | Climb type detects robot |
| CN109268695A (en) * | 2018-10-26 | 2019-01-25 | 浙江管迈环境科技有限公司 | A kind of pipeline draws inspection equipment |
| CN209386978U (en) * | 2019-03-12 | 2019-09-13 | 武汉冠油科技有限公司 | A kind of detector of high speed detection bridge cable exterior cross-section shape |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10434641B2 (en) * | 2017-07-18 | 2019-10-08 | General Electric Company | In situ gap inspection robot system and method |
-
2019
- 2019-03-12 CN CN201910185500.XA patent/CN109764826B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201096729Y (en) * | 2007-10-31 | 2008-08-06 | 重庆大学 | Bridge pulling rope surface detection device |
| CN103194967A (en) * | 2013-04-03 | 2013-07-10 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Detecting system of bridge cable |
| CN103439415A (en) * | 2013-09-09 | 2013-12-11 | 长沙理工大学 | Electromagnetic ultrasonic automatic detection crawler for exposed pipeline |
| CN104153293A (en) * | 2014-04-15 | 2014-11-19 | 宁波职业技术学院 | Cable examination robot |
| CN106930185A (en) * | 2017-03-30 | 2017-07-07 | 同济大学 | A kind of robot creeped for Character of Cable Force of Cable stayed Bridge |
| CN207987730U (en) * | 2017-12-23 | 2018-10-19 | 香港中文大学（深圳） | Climb type detects robot |
| CN109268695A (en) * | 2018-10-26 | 2019-01-25 | 浙江管迈环境科技有限公司 | A kind of pipeline draws inspection equipment |
| CN209386978U (en) * | 2019-03-12 | 2019-09-13 | 武汉冠油科技有限公司 | A kind of detector of high speed detection bridge cable exterior cross-section shape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109764826A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105371775B (en) | A kind of self-centering deep hole parameter measuring apparatus | |
| CN203100688U (en) | Optical fiber sensor for measuring tip clearance of rotating blades | |
| CN1094191C (en) | Method and apparatus for non-contact measuring thickness of non-metal coating on surface of metal matrix | |
| CN104390987A (en) | Novel optical fiber sensor for detecting surface defects of steel balls and detection method | |
| CN206095174U (en) | Accurate angular surveying appearance | |
| CN106152991B (en) | Shaft sleeve parts inner and outer diameter measurement equipment | |
| CN109764826B (en) | Detector for detecting appearance cross section shape of bridge inhaul cable at high speed | |
| CN102901615A (en) | Method and device for detecting optical fiber ring quality based on optical coherence tomography | |
| CN103197380A (en) | Preparation method of contact-type optical fiber micro probe based on optical fiber tapering technology | |
| CN205209440U (en) | From centering deep hole parameter measurement device | |
| CN102393268A (en) | Apparatus used for measuring ultra-high rotating speed impeller spindle torque | |
| CN101424522A (en) | Optical fiber bragg grating FBG three-dimensional feeler | |
| CN112212797A (en) | Microscopic vision strain sensor | |
| CN104019929B (en) | Based on the Shaft Torque on-line testing method that current vortex relative displacement is measured | |
| CN206557161U (en) | It is a kind of to position phased array probe clamping device for what small diameter tube was detected | |
| CN110108190A (en) | Small-bore barrel caliper | |
| CN101963492B (en) | Displacement detecting device based on inner reflector of elliptic cylinder | |
| CN209386978U (en) | A kind of detector of high speed detection bridge cable exterior cross-section shape | |
| CN109668538B (en) | Detector for detecting appearance cross section shape of bridge inhaul cable | |
| CN208671881U (en) | Measure the measurer of internal spline multi-section stick spacing foozle | |
| CN104457622B (en) | Device and method for detecting straightness of long shaft inner hole | |
| CN207741706U (en) | A kind of reciprocating line footpath continuous measuring device of circumferential direction | |
| CN103759853A (en) | Probe device of semiconductor optical fiber temperature sensor | |
| CN214149164U (en) | Microscopic vision strain sensor | |
| CN104197967A (en) | Double-ring coaxial optical fiber turbine flow meter and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |