CN201587819U - Large-sized gantry crane utilizing fiber bragg grating to test stress change - Google Patents
Large-sized gantry crane utilizing fiber bragg grating to test stress change Download PDFInfo
- Publication number
- CN201587819U CN201587819U CN 200920299654 CN200920299654U CN201587819U CN 201587819 U CN201587819 U CN 201587819U CN 200920299654 CN200920299654 CN 200920299654 CN 200920299654 U CN200920299654 U CN 200920299654U CN 201587819 U CN201587819 U CN 201587819U
- Authority
- CN
- China
- Prior art keywords
- gantry crane
- bragg grating
- fiber bragg
- test stress
- sized gantry
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a large-sized gantry crane utilizing a fiber bragg grating to test stress change, which belongs to the technical field of lifting appliances and comprises a gantry (1), a lower rotating column (2), a stay bar (4) and a shaft strut (5). The large-sized gantry crane is characterized in that legs of the gantry (1), the lower rotating column (2), the stay bar (4) and the shaft strut (5) are all provided with fiber bragg grating sensors (6). The fiber bragg grating sensors are mounted on main stress portions and strain concentration positions of the gantry crane, are used for monitoring strain conditions of stress components, and extremely visually reflect stress change conditions of each position in detail. Therefore, the large-sized gantry crane can monitor deformation inside structures and organizational change fundamentally.
Description
(1) technical field
The utility model relates to a kind of large-scale span winch, especially relates to a kind of large-scale span winch that uses the optical fiber grating test stress to change.The technical field that belongs to elevator machinery.
(2) background technology
Large-scale span winch is mainly used in and builds the shipping agency industry, the port machine is made industry etc.The long service life of this span winch, in the long-term use process, to cause the damage accumulation and the drag decay of structure and system inevitably because of the coupling of the disaster factors such as long-term effect, fatigue effect and mutation effect of environmental attack, material aging and load, particularly inside configuration can't be monitored, thereby the possibility that causes burst accident is very big, even in normal working also burst accident can appear, about the monitoring problem of span winch stress members effective method is not proposed always.Before the utility model is made, the traditional monitoring means are mainly artificial visual inspection focal point of stress, regulation service life, these methods all fundamentally monitoring of structures in-to-in distortion change with tissue, so be the problem of elevator machinery industry research always about the content of this respect.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, the large-scale span winch that the use optical fiber grating test stress that provides a kind of fundamentally monitoring of structures in-to-in distortion and tissue to change changes.
The purpose of this utility model is achieved in that a kind of large-scale span winch that uses the optical fiber grating test stress to change, comprise gate seat, following rotary column, strut and Shears, it is characterized in that: on the door leg of described gate seat, following rotary column, strut and Shears, fiber-optic grating sensor is installed all.
Optical fiber grating is a kind of optical element very commonly used of test strain, applies to industries such as civil engineering and building now in a large number.Along with intelligent perception Development of Materials, high-performance sensors and test technology thereof provide brand-new approach for the research and development of structure intelligent health monitoring systems, especially be the appearance and the development of the fiber sensing element of representative with the optical fiber grating, provide wide life for this hot subject especially.The advantage of fiber-optic grating sensor mainly shows as: good endurance is suitable for long term monitoring; No spark is suitable for the special monitoring field; Both point measurement can be realized, also quasi-distributed measurement can be realized; Detected level is a wavelength information, therefore is not subjected to the influence of factors such as splice loss, light linear loss; Insensitive to ambient interference, anti-electromagnetic interference; Wavelength-encoding can conveniently be realized absolute measurement; The simple optical fiber single-ended detection can reduce the number of fiber optic radical and demodulator of PM signal PM as far as possible; But signal, data multiple transmission are convenient to be connected with computing machine, and signal attenuation is little on the unit length; Highly sensitive, the precision height; The optical fiber grating size is little, observed reading spatial resolution height; Export advantages such as linear wide ranges, be useful for the elevator machinery working environment.
The beneficial effects of the utility model are:
The utility model is installed in fiber-optic grating sensor each the main force part and the strain concentrating position of span winch, use fiber-optic grating sensor to monitor the strained situation of each primary structure member, the detailed stressed situation of change that reflects each position very directly perceived.Therefore fundamentally the distortion of monitoring of structures in-to-in changes with tissue.
(4) description of drawings
Fig. 1 uses the structural representation of the large-scale span winch of optical fiber grating test stress variation for the utility model.
Reference numeral among the figure:
Gate seat 1, following rotary column 2, rotating disk 3, strut 4, Shears 5, fiber-optic grating sensor 6.
(5) specific embodiment
Referring to Fig. 1, Fig. 1 uses the structural representation of the large-scale span winch of optical fiber grating test stress variation for the utility model.As seen from Figure 1, the large-scale span winch that the utility model uses the optical fiber grating test stress to change mainly is made up of gate seat 1, following rotary column 2, rotating disk 3, strut 4 and Shears 5.The door leg of described gate seat 1 supports complete machine weight, and fiber-optic grating sensor 6 is installed, monitoring compression effort situation.The compression effort of rotating disk 3 all acts on down rotary column 2, therefore on the rotary column 2 fiber-optic grating sensor 6 is being installed down.Strut 4 supports big pinwheel, and therefore the lateral forces of whole rotating disk installs fiber-optic grating sensor 6 in strut on strut 4.Shears 5 is as the support component of steel rope angle pulley, and jib, lift heavy act on this parts, and fiber-optic grating sensor 6 also is installed.
Claims (1)
1. large-scale span winch that uses the optical fiber grating test stress to change, comprise gate seat (1), following rotary column (2), strut (4) and Shears (5), it is characterized in that: on the door leg of described gate seat (1), following rotary column (2), strut (4) and Shears (5), fiber-optic grating sensor (6) is installed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920299654 CN201587819U (en) | 2009-12-28 | 2009-12-28 | Large-sized gantry crane utilizing fiber bragg grating to test stress change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920299654 CN201587819U (en) | 2009-12-28 | 2009-12-28 | Large-sized gantry crane utilizing fiber bragg grating to test stress change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201587819U true CN201587819U (en) | 2010-09-22 |
Family
ID=42747586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920299654 Expired - Fee Related CN201587819U (en) | 2009-12-28 | 2009-12-28 | Large-sized gantry crane utilizing fiber bragg grating to test stress change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201587819U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935897A (en) * | 2014-04-21 | 2014-07-23 | 张家港市江南电子厂 | Force-measuring sensing device matched with moment limiter in four-bar linkage portal crane |
| CN104891347A (en) * | 2015-06-30 | 2015-09-09 | 广州文冲船厂有限责任公司 | Gate seat type crane lower rotary column platform and installation method thereof |
| CN106276606A (en) * | 2016-08-09 | 2017-01-04 | 武汉理工大学 | Bridge crane HEALTH ONLINE based on fiber grating sensing technology monitoring system |
| CN107176545A (en) * | 2016-03-11 | 2017-09-19 | 泉州市佰源重工机械有限公司 | A kind of port gantry crane |
| WO2017215760A1 (en) * | 2016-06-17 | 2017-12-21 | Sandvik Mining And Construction Oy | Monitoring condition of structural part of mining machine |
-
2009
- 2009-12-28 CN CN 200920299654 patent/CN201587819U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935897A (en) * | 2014-04-21 | 2014-07-23 | 张家港市江南电子厂 | Force-measuring sensing device matched with moment limiter in four-bar linkage portal crane |
| CN104891347A (en) * | 2015-06-30 | 2015-09-09 | 广州文冲船厂有限责任公司 | Gate seat type crane lower rotary column platform and installation method thereof |
| CN107176545A (en) * | 2016-03-11 | 2017-09-19 | 泉州市佰源重工机械有限公司 | A kind of port gantry crane |
| WO2017215760A1 (en) * | 2016-06-17 | 2017-12-21 | Sandvik Mining And Construction Oy | Monitoring condition of structural part of mining machine |
| CN106276606A (en) * | 2016-08-09 | 2017-01-04 | 武汉理工大学 | Bridge crane HEALTH ONLINE based on fiber grating sensing technology monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201587819U (en) | Large-sized gantry crane utilizing fiber bragg grating to test stress change | |
| Ansari | Fiber optic health monitoring of civil structures using long gage and acoustic sensors | |
| CN101852659B (en) | Oil derrick stress data acquisition system based on fiber Bragg grating sensor network | |
| CN202400737U (en) | Hoisting machinery online safety monitoring recorder | |
| CN202518951U (en) | Hoisting machine health monitoring system based on fiber bragg grating sensing technology | |
| CN107399672A (en) | crane health monitoring system and method | |
| CN103267763B (en) | A kind of lifting machinery metal structure health monitor method | |
| CN103383246A (en) | High-sensitivity fiber Bragg grating strain sensor | |
| CN202511764U (en) | High-sensitivity fiber grating strain sensor | |
| CN102506740A (en) | Deformation on-line monitoring device of bottom plate of storage tank based on optical fiber grating | |
| CN102620867B (en) | Field detection method and device for glass temperature stress of glass curtain wall | |
| CN106353249A (en) | Device and method for measuring transient sliding friction coefficient based on fiber grating | |
| CN2819195Y (en) | Fast-detachable internal force nondestructive tester of lattice framed member | |
| CN202182815U (en) | Testing stand for static load of bridge stand of crane | |
| CN201610523U (en) | Built-in fiber grating strain sensor of cable and mechanical connection structure of in-cable steel wire | |
| CN101694372A (en) | Intelligent cable fiber grating strain sensor | |
| Zhao et al. | Design and experiments on a wide range fiber Bragg grating sensor for health monitoring of coal mines | |
| CN201620355U (en) | Intelligent cable of built-in sensor | |
| CN201903554U (en) | FBG (fiber Bragg grating) accelerometer using multimode interference SMS (single-mode, multimode and single-mode) structure as edge filter | |
| CN206470011U (en) | A kind of intelligent cable fixing nut | |
| CN111285234A (en) | Elevator load monitoring system and method based on fiber bragg grating technology | |
| CN202692951U (en) | Fiber bragg grating bending sensor for monitoring stress deformation of flexible protective screen | |
| CN205719351U (en) | A kind of cassette based on fiber-optic grating sensor measures assembly | |
| CN206270275U (en) | A kind of bridge sling monitors sensor | |
| CN201569416U (en) | Intelligent type cable fiber grating strain transducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |