CN203133026U - Self-propelled bridge cable flaw detector - Google Patents
Self-propelled bridge cable flaw detector Download PDFInfo
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- CN203133026U CN203133026U CN201320005291.4U CN201320005291U CN203133026U CN 203133026 U CN203133026 U CN 203133026U CN 201320005291 U CN201320005291 U CN 201320005291U CN 203133026 U CN203133026 U CN 203133026U
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- fan
- annular casing
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- shaped housing
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Abstract
The utility model discloses a self-propelled bridge cable flaw detector which comprises a first annular shell and a second annular shell, wherein the first and second annular shells are formed by the mutual hinging of fan-shaped shells, and the two annular shells are connected through a connecting rod; the inner side of the fan-shaped shell of the first annular shell is provided with a convex probe, and a detection unit is arranged in the probe; the detection unit comprises an eddy-current transducer, a sine function generator, a single-chip microcomputer and a wireless transceiver chip; and the hinged part of the fan-shaped shell of the second annular shell is provided with a roller, the roller is connected with a motor arranged in the fan-shaped shell of the second annular shell, the outside shell of the second annular shell is provided with a display panel, the sine function generator is connected with the eddy-current transducer, and the display panel, the motor, the eddy-current transducer and the wireless transceiver chip are all connected with the single-chip microcomputer. The self-propelled bridge cable flaw detector disclosed by the utility model is high in detection sensitivity, and does not need to carry out pretreatment on cables in the process of detection, and can penetrate anticorrosive coatings such as paints on the surfaces of cables and then carry out detection; and the self-propelled bridge cable flaw detector is small in volume, easy to carry and convenient to operate.
Description
Technical field
The utility model relates to field of engineering technology, is specifically related to a kind of self-propelled bridge cable defectoscope.
Background technology
Cable intensity is the principal element that influences bridge structure safe, and the drag-line of cable-stayed bridge extensively adopts by the parallel cable that is bundled into of diameter 5-7mm steel wire with the main rope of suspension bridge, and the hoist cable of suspension bridge also uses cable sometimes in addition.
The maintenance management of works in recent years causes people's attention day by day, requires the exploitation cable in the method for labour nondestructive inspection (NDI).Main lossless detection method to bridge cable is stress-strain sheet method at present, though this method realizes the quality monitoring to cable when periodic monitoring, it has, and installation is loaded down with trivial details, volume big, carry inconvenience, is difficult to be applicable to shortcomings such as daily monitoring; And the health monitoring technology that this method and newly-developed get up all is difficult to by oneself potential, the hidden damage accumulation that causes the bridge brittle rupture be detected effectively, and the stress state of cable under the fracture of wire state still adheres to specification sometimes.
Summary of the invention
At the problem that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of easy to carry, reliable bridge cable defectoscope of testing result.
A kind of self-propelled bridge cable defectoscope comprises first annular casing and second annular casing that are hinged and are formed by fan-shaped housing, and described two annular casings connect by connecting link; Be provided with the probe of projection in the fan-shaped housing inboard of first annular casing, detecting unit is installed in probe; Described detecting unit comprises eddy current sensor, Sine Function Generator, single-chip microcomputer and radio transmitting and receiving chip; The fan-shaped housing hinged place of described second annular casing is equipped with roller, roller is connected with motor in the fan-shaped housing that is installed in second annular casing, on the housing of second annular casing outside display panel is installed, described Sine Function Generator connects eddy current sensor, and described display panel, motor, eddy current sensor and wireless transceiver all are connected with single-chip microcomputer.
Adopt detachably hinged mode to connect between the fan-shaped housing of described composition first annular casing and second annular casing, the number of wherein forming the fan-shaped housing of first annular casing is 8, and the number of forming the fan-shaped housing of second annular casing is 4.
Described display panel comprises display, hummer and LED lamp, and wherein display, hummer and LED lamp all are connected single-chip microcomputer.
Described single-chip microcomputer adopts MSP430 type single-chip microcomputer.
The utlity model has following technological merit:
(1) simple and compact for structure, volume is little, be easy to carry, and is easy and simple to handle.
(2) detection sensitivity height need not carry out pre-service to cable during detection, and the anticorrosive coats such as paint that can directly penetrate the cable surface are surveyed.
(3) detection is safe, and the testing staff need not to climb cable.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present utility model;
Fig. 2 is upward view of the present utility model;
The implication of number in the figure: 1-the first annular casing, 2-connecting link, 3-the second annular casing, 4-probe, 5-roller;
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
Embodiment
Defer to technique scheme, as depicted in figs. 1 and 2, present embodiment provides a kind of self-propelled bridge cable defectoscope, comprises first annular casing 1 and second annular casing 3 that are hinged and are formed by fan-shaped housing, and described two annular casings connect by connecting link 2; Be provided with the probe 4 of projection in the fan-shaped housing inboard of first annular casing 1, in probe 4, detecting unit be installed; Described detecting unit comprises eddy current sensor, Sine Function Generator, single-chip microcomputer and radio transmitting and receiving chip; The fan-shaped housing hinged place of described second annular casing 3 is equipped with roller 5, roller 5 is connected with motor in the fan-shaped housing that is installed in second annular casing 3, on second annular casing, 3 outside housings display panel is installed, described Sine Function Generator connects eddy current sensor, and described display panel, motor, eddy current sensor and wireless transceiver all are connected with single-chip microcomputer.
In the present embodiment, first annular casing 1 is made up of 8 fan-shaped housings, be provided with the probe 4 of projection in the inboard of fan-shaped housing, in the probe 4 detecting unit is installed, this device adopts eddy current sensor to detect bridge cable, is connected with the Sine Function Generator that driving source is provided on the eddy current sensor.After eddy current sensor detects, sensor information is passed to the single-chip microcomputer that is attached thereto; This single-chip microcomputer adopts MSP430 type single-chip microcomputer, on single-chip microcomputer, also be connected with radio transmitting and receiving chip, radio transmitting and receiving chip adopts nRF2401A type radio transmitting and receiving chip in the present embodiment, this chip can receive the radiofrequency signal that the testing staff sends by telepilot, thereby easily device is controlled.
Described second annular casing 3 is made up of 4 fan-shaped housings, in the fan-shaped housing hinged place of second annular casing 3 roller 5 is installed also, and roller 5 is connected with motor in being arranged on fan-shaped housing.Outside surface at second annular casing 3 is equipped with display panel, and this display panel comprises display, hummer and LED lamp.In testing process, current state can show if detect cable damage is arranged in real time by display, then carries out sound and light alarm by hummer and LED lamp.
The fan-shaped housing of forming first annular casing 1, second annular casing 3 all adopts dismountable connected mode, is convenient to the installation of defectoscope.For the cable of different-diameter, can make roller 5 combinations can sting the tight rope rope by the roller 5 of different-diameter is installed, defectoscope is in the cable situations such as skidding appears in Shi Buhui of climbing like this.
When detecting the cable damage, the testing staff unties hinged in the lower house earlier, according to the diameter of cable the roller 5 of different-diameter is installed, and defectoscope is enclosed within on the cable again and tightens, and makes roller 5 that cable is stung tightly.Device starts the back defectoscope and can at the uniform velocity upwards advance along cable, after arriving at cable end, the testing staff sends a signal to wireless transceiver by telepilot, wireless transceiver passes to single-chip microcomputer with signal, thereby single-chip microcomputer makes roller 5 backward rotation by driving circuit control motor, and defectoscope returns along the former road of cable.When the eddy current sensor in the detecting unit when detecting cable damage arranged, working time and the range ability of single-chip microcomputer record defectoscope, and control hummer and diode report to the police, and shows testing result by display screen simultaneously.
Although below by reference to the accompanying drawings embodiment of the present utility model is described; but the utility model is not limited to above-mentioned specific embodiments; above-mentioned specific embodiments only is schematic, guiding; rather than restrictive, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Claims (4)
1. a self-propelled bridge cable defectoscope is characterized in that, comprises first annular casing (1) and second annular casing (3) that are hinged and are formed by fan-shaped housing, and described two annular casings connect by connecting link (2); Be provided with the probe (4) of projection in the fan-shaped housing inboard of first annular casing (1), in probe (4), detecting unit be installed; Described detecting unit comprises eddy current sensor, Sine Function Generator, single-chip microcomputer and radio transmitting and receiving chip; The fan-shaped housing hinged place of described second annular casing (3) is equipped with roller (5), roller (5) is connected with motor in the fan-shaped housing that is installed in second annular casing (3), on the housing of second annular casing (3) outside display panel is installed, described Sine Function Generator connects eddy current sensor, and described display panel, motor, eddy current sensor and wireless transceiver all are connected with single-chip microcomputer.
2. self-propelled bridge cable defectoscope as claimed in claim 1, it is characterized in that, adopt detachably hinged mode to connect between the fan-shaped housing of described composition first annular casing (1) and second annular casing (3), the number of wherein forming the fan-shaped housing of first annular casing (1) is 8, and the number of forming the fan-shaped housing of second annular casing (3) is 4.
3. self-propelled bridge cable defectoscope as claimed in claim 1 is characterized in that, described display panel comprises display, hummer and LED lamp, and wherein display, hummer and LED lamp all are connected single-chip microcomputer.
4. self-propelled bridge cable defectoscope as claimed in claim 1 is characterized in that, described single-chip microcomputer adopts MSP430 type single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320005291.4U CN203133026U (en) | 2013-01-06 | 2013-01-06 | Self-propelled bridge cable flaw detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320005291.4U CN203133026U (en) | 2013-01-06 | 2013-01-06 | Self-propelled bridge cable flaw detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133026U true CN203133026U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320005291.4U Expired - Fee Related CN203133026U (en) | 2013-01-06 | 2013-01-06 | Self-propelled bridge cable flaw detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203133026U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738018A (en) * | 2016-04-21 | 2016-07-06 | 大连理工大学 | Movable monitoring device for identifying structural cable force |
| CN108333253A (en) * | 2018-01-11 | 2018-07-27 | 新疆维吾尔自治区特种设备检验研究院 | A kind of Array eddy-current probe and detection method for steel rope fault defects detection |
| CN110082024A (en) * | 2019-05-14 | 2019-08-02 | 重庆交通大学 | A kind of cable force monitoring and non-destructive tests device based on LCR digital electric bridge |
| CN111351847A (en) * | 2020-04-17 | 2020-06-30 | 中国飞机强度研究所 | Positioning guide device, annular probe eddy current detection system and detection method |
-
2013
- 2013-01-06 CN CN201320005291.4U patent/CN203133026U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738018A (en) * | 2016-04-21 | 2016-07-06 | 大连理工大学 | Movable monitoring device for identifying structural cable force |
| CN108333253A (en) * | 2018-01-11 | 2018-07-27 | 新疆维吾尔自治区特种设备检验研究院 | A kind of Array eddy-current probe and detection method for steel rope fault defects detection |
| CN110082024A (en) * | 2019-05-14 | 2019-08-02 | 重庆交通大学 | A kind of cable force monitoring and non-destructive tests device based on LCR digital electric bridge |
| CN111351847A (en) * | 2020-04-17 | 2020-06-30 | 中国飞机强度研究所 | Positioning guide device, annular probe eddy current detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140106 |