CN104005336A - Bridge rebar distribution detection system based on mobile platform - Google Patents
Bridge rebar distribution detection system based on mobile platform Download PDFInfo
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- CN104005336A CN104005336A CN201410193812.2A CN201410193812A CN104005336A CN 104005336 A CN104005336 A CN 104005336A CN 201410193812 A CN201410193812 A CN 201410193812A CN 104005336 A CN104005336 A CN 104005336A
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Abstract
The invention discloses a bridge rebar distribution detection system based on a mobile platform. The bridge rebar distribution detection system comprises the mobile platform, an air pressure generation device, an air storage tank, a valve, air cylinders, a bridge rebar distribution detector and a sliding lead screw. The air cylinders comprise the vertical air cylinder and the rotating air cylinder, the rotating air cylinder is fixed to a connecting rod led out by a sliding block of the sliding lead screw, the vertical air cylinder is fixed to a piston rod of the rotating air cylinder through a piston rod, an air outlet of the air pressure generation device is connected to an air inlet of the air storage tank through an air guide passageway, an air outlet of the air storage tank is connected to the valve through an air guide passageway, and the valve is connected to the vertical air cylinder and the rotating air cylinder through four air guide passageways. The bridge rebar distribution detection system is simple and feasible in structure, a pneumatic control method is reasonable, simple and convenient to implement, the system can meet the practical situation that the surface of a bridge is not smooth, the practicability for bridge bottom detection is good, and the automation degree of bridge detection is increased.
Description
Technical field
The present invention relates to mechanical movement control field, particularly a kind of bridge reinforcement distributed detection system based on mobile platform.
Background technology
At present, at the bottom of mainly delivering to bridge by support testing staff, the detection distributing carries out manual detection for bridge bottom surface reinforcing bar, but the method poor mobility of manual detection, automaticity is low, and testing is very dangerous.Because manual detection is that therefore the error of manual detection is large by bridge reinforcement distribution detecting instrument described in hand operation, the labour cost of manual detection method is also more expensive.
At present, for the control mode of described bridge reinforcement distribution detecting instrument, except manual detection is with hand operation, also have with bridge reinforcement distribution detecting instrument described in Electric Machine Control, due to detect time need to control described bridge reinforcement distribution detecting instrument be close to detect surface at the uniform velocity move, therefore in the time that detection surface is rough surface, can damage described bridge reinforcement distribution detecting instrument, and while running into thrust, cannot complete detection, therefore, very high to detecting surface requirements by the mode of bridge reinforcement distribution detecting instrument described in Electric Machine Control.
Summary of the invention
The shortcoming and deficiency that exist in order to overcome prior art, the invention provides a kind of bridge reinforcement distributed detection system based on mobile platform.
The present invention adopts following technical scheme:
A bridge reinforcement distributed detection system based on mobile platform, comprises mobile platform, pressure generator, gasholder, valve, cylinder, bridge reinforcement distribution detecting instrument and sliding screw;
The gas outlet of described pressure generator is communicated with the air inlet port of gasholder by air guide path, and the gas outlet of described gasholder is communicated with strainer, one way valve and valve successively by air guide path;
Described sliding screw is arranged on the bottom of mobile platform, described cylinder comprises the vertical cylinder of controlling bridge reinforcement distribution detecting instrument height and the rotary cylinder of controlling bridge reinforcement distribution detecting instrument direction, the base of described rotary cylinder is fixed by the slide block of connecting rod and sliding screw bottom, the piston rod of described rotary cylinder is fixed on the piston rod of vertical cylinder, and described vertical cylinder is fixed on bridge reinforcement distribution detecting instrument;
Described valve separates four road air guide paths, is respectively first, second, third, fourth air guide path, and wherein first, the 4th air guide path is communicated with vertical cylinder respectively, second, third air guide path is communicated with rotary cylinder respectively.
Described vertical cylinder and rotary cylinder are double-acting cylinder.
Also comprise stepper motor, described stepper motor is connected with sliding screw.
Separate the conducting of described four road air guide paths and close by by-pass valve control, further controlling that vertical cylinder moves up and down and rotary cylinder rotatablely moves.
Beneficial effect of the present invention:
It is normally rough that bridge detects surface, by pneumatic control mode of the present invention, in the time that there is thrust on detection surface, extruding gas gas in the jar, in the time caving in detection surface, the diastole of gas gas in the jar, thus remain bridge reinforcement distribution detecting instrument and detect surface and be close to, make application scenario of the present invention very wide; Provide power by pneumatic control mode, it is convenient, simple in structure to control, and there is no noise, easy operating;
Detection system of the present invention is mounted on mobile platform, at the bottom of detection system can being transported to bridge, compared with traditional mode of transporting testing staff by support, can improve safety, and compliance is stronger by the obstacle climbing ability of mobile platform.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of bridge reinforcement distributed detection system based on mobile platform of the present invention.
Shown in figure:
The gas outlet of 1-pressure generator, 2-pressure generator, 3-air guide path, 4-gasholder, 5-strainer, 6-one way valve, 7-valve, 8-sliding screw, 9-slide block, the enterprising gas port of the vertical cylinder of 10-, the vertical cylinder of 11-, 12-rotary cylinder, 13-bridge reinforcement distribution detecting instrument.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, a kind of bridge reinforcement distributed detection system based on mobile platform, comprises mobile platform (not shown), pressure generator 1, gasholder 4, valve 7, cylinder, bridge reinforcement distribution detecting instrument 13 and sliding screw 8;
Air guide path 3 is passed through toward 4 li of inflations of gasholder in the gas outlet 2 of described pressure generator, the gas storage mouth of gasholder is connected with strainer 5 by air guide path successively, the noise that described strainer 5 can reduce gas to be produced while exerting pressure, then strainer 5 is communicated with one way valve 6 by air guide path, one way valve 6 can ensure gas unidirectional conducting, then one way valve 6 is communicated with valve 7 by air guide path, and valve 7 is controlled unlatching and the shutoff of gas circuit.
Separate four road air guide paths from valve 7, be respectively from top to bottom first, second, third, fourth air guide path, described cylinder comprises vertical cylinder 11 and rotary cylinder 12, vertically cylinder 11 and rotary cylinder 12 are double-acting cylinder, first therefore, the 4th air guide path is communicated with vertical cylinder 11 respectively, second, third air guide path is communicated with rotary cylinder 12 respectively.
Described sliding screw 8 is fixed on the bottom of mobile platform, sliding screw 8 drives whole detection system to detect surface level motion at bridge, the bottom of described sliding screw 8 is provided with slide block 9, described slide block 9 is fixed by the base of connecting rod and rotary cylinder 12, the piston rod of described rotary cylinder 12 is fixed on the piston rod of vertical cylinder, and described vertical cylinder 11 is fixed on bridge reinforcement distribution detecting instrument 13;
In mobile platform motion process, described rotary cylinder 12 can be regained bridge reinforcement distribution detecting instrument 13 by rotation, the described vertical cylinder 11 bridge reinforcement distribution detecting instrument 13 that can raise, in the time that mobile platform detects, described rotary cylinder 12 can discharge described bridge reinforcement distribution detecting instrument by rotation, and described vertical cylinder 11 can reduce described bridge reinforcement distribution detecting instrument.
Described sliding screw 8 is controlled by stepper motor, and described vertical cylinder 11 and rotary cylinder are pneumatic control, by the motion of vertical cylinder described in the control of control gas flow and rotary cylinder.
By conducting and the closed condition of by-pass valve control Si road air guide path, can control described vertical cylinder move up and down and described rotary cylinder rotatablely move, the size of the air inlet port by adjusting cylinders regulates the movement velocity of described vertical cylinder and described rotary cylinder, by regulating the angular adjustment knob of described rotary cylinder to regulate the size of the anglec of rotation.When vertical cylinder is in downward state, rotary cylinder is in the time of 90-degree rotation state to the right, and detecting instrument contacts with ground, thereby can drive detecting instrument complete from left to right or dextrosinistral motion by the motion of stepper motor, completes the detection of a segment distance.
The course of work:
First pressure generator is constantly inflated to gasholder, when the gas in gasholder reaches after certain pressure intensity, pressure generator quits work, and gasholder connects valve after by strainer, one way valve, in the time that valve all turn-offs, rotary cylinder and vertically cylinder do not have active force.
When needs distribute detecting instrument while moving upward by bridge reinforcement, open the valve of the enterprising gas port 10 of controlling vertical cylinder, thereby produce the air-flow of a High Voltage, the piston that promotes vertical cylinder 11 moves downward, because the piston of vertical cylinder is fixed on rotary cylinder 12, vertically the cylinder body of cylinder moves upward, and bridge reinforcement distribution detecting instrument 13 is fixed on the cylinder base of vertical cylinder 11, therefore also moves upward.Moving downward, rotatablely move and moving upward of bridge reinforcement distribution detecting instrument is similar.
The original state detecting, first bridge reinforcement distribution detecting instrument 13 is accepted, be moving upward and the state after 90-degree rotation left in Fig. 1 state, after starting to detect, first open rotary cylinder 12 mono-road air guide path, make rotary cylinder 90-degree rotation to the right, make bridge reinforcement distribution detecting instrument straight down, that then opens vertical cylinder moves downward Yi road air guide path, bridge reinforcement distribution detecting instrument is moved downward, with detection Surface Contact, then allow stepping motor movement that sliding screw 8 is moved from left to right or from right to left under the drive of motor, completed the detection of a segment distance.When after detection of end, the detecting instrument that first bridge reinforcement distributed moves upward, then 90-degree rotation left, and the detecting instrument that bridge reinforcement can be distributed is accepted, and facilitates mobile platform motion.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (4)
1. the bridge reinforcement distributed detection system based on mobile platform, is characterized in that, comprises mobile platform, pressure generator, gasholder, valve, cylinder, bridge reinforcement distribution detecting instrument and sliding screw;
The gas outlet of described pressure generator is communicated with the air inlet port of gasholder by air guide path, and the gas outlet of described gasholder is communicated with strainer, one way valve and valve successively by air guide path;
Described sliding screw is arranged on the bottom of mobile platform, described cylinder comprises the vertical cylinder of controlling bridge reinforcement distribution detecting instrument height and the rotary cylinder of controlling bridge reinforcement distribution detecting instrument direction, the base of described rotary cylinder is fixed by the slide block of connecting rod and sliding screw bottom, the piston rod of described rotary cylinder is fixed on the piston rod of vertical cylinder, and described vertical cylinder is fixed on bridge reinforcement distribution detecting instrument;
Described valve separates four road air guide paths, is respectively from top to bottom first, second, third, fourth air guide path, and wherein first, the 4th air guide path is communicated with vertical cylinder respectively, second, third air guide path is communicated with rotary cylinder respectively.
2. a kind of bridge reinforcement distributed detection system based on mobile platform according to claim 1, is characterized in that, described vertical cylinder and rotary cylinder are double-acting cylinder.
3. a kind of bridge reinforcement distributed detection system based on mobile platform according to claim 1, is characterized in that, also comprise stepper motor, described stepper motor is connected with sliding screw.
4. a kind of bridge reinforcement distributed detection system based on mobile platform according to claim 1, it is characterized in that, separate the conducting of described four road air guide paths and close by by-pass valve control, further controlling that vertical cylinder moves up and down and rotary cylinder rotatablely moves.
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CN201410193812.2A CN104005336B (en) | 2014-05-08 | 2014-05-08 | A kind of bridge reinforcement distributed detection system based on mobile platform |
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CN201410193812.2A CN104005336B (en) | 2014-05-08 | 2014-05-08 | A kind of bridge reinforcement distributed detection system based on mobile platform |
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CN104005336B CN104005336B (en) | 2015-10-28 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104805765A (en) * | 2015-05-22 | 2015-07-29 | 合肥昊诚工贸有限责任公司 | Novel bridge safety condition detection device |
CN106758807A (en) * | 2017-01-23 | 2017-05-31 | 黄河交通学院 | A kind of bridge reinforcement distributed detection system based on mobile platform |
CN108286224A (en) * | 2017-12-22 | 2018-07-17 | 安徽伟宏钢结构集团股份有限公司 | A kind of stretching structure used for overhaul |
CN115791517A (en) * | 2023-02-08 | 2023-03-14 | 山东科技职业学院 | Bridge anti-seismic performance detection system |
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CN201724649U (en) * | 2010-07-14 | 2011-01-26 | 天津市津维电子仪表有限公司 | Integrated digital readout reinforcing steel bar position detector with multi-coil probe |
KR20120066458A (en) * | 2010-12-14 | 2012-06-22 | 재단법인 포항산업과학연구원 | Apparatus for connecting guard fence on the bridge with sacrifice member |
CN202630888U (en) * | 2012-05-03 | 2012-12-26 | 北京海创高科科技有限公司 | Steel-bar position detector with integrated structure |
CN102966038A (en) * | 2012-11-23 | 2013-03-13 | 南京理工大学 | Bridge detecting robot based on negative-pressure absorption |
CN203938967U (en) * | 2014-05-08 | 2014-11-12 | 华南理工大学 | A kind of bridge reinforcement distributed detection system based on mobile platform |
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2014
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Patent Citations (6)
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JPH04140304A (en) * | 1990-09-28 | 1992-05-14 | Mitsui Miike Mach Co Ltd | Movable working device for bridge |
CN201724649U (en) * | 2010-07-14 | 2011-01-26 | 天津市津维电子仪表有限公司 | Integrated digital readout reinforcing steel bar position detector with multi-coil probe |
KR20120066458A (en) * | 2010-12-14 | 2012-06-22 | 재단법인 포항산업과학연구원 | Apparatus for connecting guard fence on the bridge with sacrifice member |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104805765A (en) * | 2015-05-22 | 2015-07-29 | 合肥昊诚工贸有限责任公司 | Novel bridge safety condition detection device |
CN106758807A (en) * | 2017-01-23 | 2017-05-31 | 黄河交通学院 | A kind of bridge reinforcement distributed detection system based on mobile platform |
CN106758807B (en) * | 2017-01-23 | 2018-05-25 | 黄河交通学院 | A kind of bridge reinforcement distributed detection system based on mobile platform |
CN108286224A (en) * | 2017-12-22 | 2018-07-17 | 安徽伟宏钢结构集团股份有限公司 | A kind of stretching structure used for overhaul |
CN115791517A (en) * | 2023-02-08 | 2023-03-14 | 山东科技职业学院 | Bridge anti-seismic performance detection system |
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Granted publication date: 20151028 Termination date: 20160508 |