CN102953331A - Bridge inspection vehicle stretching platform protection device and control method - Google Patents
Bridge inspection vehicle stretching platform protection device and control method Download PDFInfo
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- CN102953331A CN102953331A CN2012104031156A CN201210403115A CN102953331A CN 102953331 A CN102953331 A CN 102953331A CN 2012104031156 A CN2012104031156 A CN 2012104031156A CN 201210403115 A CN201210403115 A CN 201210403115A CN 102953331 A CN102953331 A CN 102953331A
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Abstract
The invention discloses a bridge inspection vehicle stretching platform protection device and a control method thereof. The bridge inspection vehicle stretching platform protection device comprises an angle sensing device and a hydraulic system control device. The control method comprises the following steps of: firstly, controlling a first electromagnetic reversing valve, a second electromagnetic reversing valve and a third electromagnetic reversing valve according to electrification time of a first contact sensor, a second contact sensor and a third contact sensor; then pulling a first manual reversing handle of a first manual reversing valve to control revolving movements of revolving twice; and pulling a second manual reversing handle of a second manual reversing valve to control stretching movements of a stretching platform. The bridge inspection vehicle stretching platform protection device provided by the invention is simple and compact in structure, is low in cost, can control the allowed stretching condition of a bridge inspection vehicle stretching platform in each angle region through the hydraulic system control device according to the inspected angle region, and can protect the stretching platform from colliding with bridge piers.
Description
Technical field
The present invention relates to a kind of bridge-checking vehicle scaling platform protective device and control method thereof.
Background technology
Bridge construction is one of important infrastructure of country, and along with further developing of Bridges in Our Country building and speedway, and people are to the progressively enhancing of bridge security consciousness, and bridge detection do mechanization operation has become the inexorable trend of Future Development.Cooperate at present the bridge-checking vehicle of bridge detection take the truss-like bridge-checking vehicle as main, consisted of by chassis, single-revolution, jib lubbing mechanism, truss, two-revolution, fixed platform, scaling platform, each parts drives by hydraulic system, the control of auxiliary electrical system, its action control has vital impact to vehicle security.Work under bridge floor because the scaling platform of bridge-checking vehicle is upset, the people can't observe its operating mode on bridge floor, the hidden danger that exists scaling platform and bridge pier to collide.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of bridge-checking vehicle scaling platform safety device and control method thereof that can prevent the hidden danger that scaling platform and bridge pier are collided.
The technical solution used in the present invention is: comprise angle sensing equipment and control device for hydraulic system, described angle sensing equipment comprises retainer ring on the two-revolution that is packed in bridge-checking vehicle, be packed in angle detection ring and the 3rd feeler on the fixed platform of bridge-checking vehicle, be fixed with 180 ° of blocks, 0 ° of block, the first feeler and second feeler on the retainer ring, the angle detection ring is positioned at the outside of retainer ring, coaxial with retainer ring, described the 3rd feeler is installed on the fixed platform; Described control device for hydraulic system comprises hydraulic oil container, oil pump, overflow valve, the first hand-operated direction valve, the first solenoid operated directional valve, the second solenoid operated directional valve, the second hand-operated direction valve, the 3rd solenoid operated directional valve, platform running motor and two-revolution rotary motor, fuel tank is connected with oil pump by pipeline, and the first hand-operated direction valve, the second hand-operated direction valve and overflow valve are connected in parallel on the output pipe of oil pump; The first hand-operated direction valve, the first solenoid operated directional valve, two-revolution rotary motor and the second solenoid operated directional valve are in turn connected to form a closed-loop path; The second hand-operated direction valve, the 3rd solenoid operated directional valve and platform running motor are in turn connected to form a closed-loop path.
In the above-mentioned bridge-checking vehicle scaling platform safety guard, the cornerite of described angle detection ring is 90 °, and the angle of 180 ° of blocks and 0 ° of block is 90 °, and the angle between the first feeler and the second feeler axis is 90 °.
In the above-mentioned bridge-checking vehicle scaling platform safety guard; also comprise the first one way valve and the second one way valve; the first one way valve and the first solenoid operated directional valve form a closed-loop path; the second one way valve and the second solenoid operated directional valve form a closed-loop path, and two-revolution rotary motor two ends are communicated with respectively on the pipeline that the first one way valve output is communicated with the first solenoid operated directional valve and the second one way valve output and pipeline that the second solenoid operated directional valve is communicated with.
In the above-mentioned bridge-checking vehicle scaling platform safety guard, described the first hand-operated direction valve is equipped with the first manual reverse of direction handle, and described the second hand-operated direction valve is equipped with the second manual reverse of direction handle.
A kind of control method of bridge-checking vehicle scaling platform protective device, its step is as follows:
At first control the first solenoid operated directional valve, the second solenoid operated directional valve and the 3rd solenoid operated directional valve according to the electric situation that gets of the first feeler, the second feeler and the 3rd feeler; Then pull the revolution action of the first manual reverse of direction handle control two-revolution of the first hand-operated direction valve; Pull the expanding-contracting action of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve; Concrete steps are as follows:
1) must not contact electricity when contacting electricly with the 3rd feeler when the first feeler, the second feeler, controlling the first solenoid operated directional valve, the second solenoid operated directional valve must not electricity, the 3rd solenoid operated directional valve gets electric, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is pulled the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve along turning anticlockwise;
2) when the first feeler, the second feeler and the 3rd feeler must not contact electricity, controlling the second solenoid operated directional valve must not be electric, the first solenoid operated directional valve, the 3rd solenoid operated directional valve get electric, and then pull the first manual reverse of direction handle control two-revolution turning anticlockwise of the first hand-operated direction valve, the not flexible of the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve;
3) contact to get electric and the second feeler when must not contact electricity when the first feeler, the 3rd feeler, controlling the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is along turning anticlockwise, and the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve is flexible;
4) when the first feeler contacts electricly, when the second feeler and the 3rd feeler must not contact electricity, controlling the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is along turning anticlockwise, and the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve is flexible.
5) contact to get electric and the first feeler when must not contact electricity when the second feeler, the 3rd feeler, controlling the 3rd solenoid operated directional valve gets electric, the first solenoid operated directional valve, the second solenoid operated directional valve must not be electric, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is pulled the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve along turning anticlockwise; When two-revolution forwards 180 ° to, because the angle detection ring contacts with 180 ° of blocks, stop that two-revolution continues to reverse.
6) when the second feeler contacts electricly, when the first feeler and the 3rd feeler must not contact electricity, control the second solenoid operated directional valve, the 3rd solenoid operated directional valve get electric, the first solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve turns round clockwise, pulls the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve.
The beneficial effect that the present invention produces compared to existing technology:
1) adopt angle sensing equipment, the angle that can differentiate bridge-checking vehicle two-revolution and chassis is positioned at 0 °-45 °, 45 °-135 ° or 135 ° of-180 ° of zones; When the first feeler, the second feeler must not electricity, the angle on bridge-checking vehicle two-revolution and chassis is positioned at 0 °-45 ° zone, the first feeler gets electric, the second feeler must not when electricity, the angle on bridge-checking vehicle two-revolution and chassis is positioned at 45 °-135 ° zone, the first feeler gets electric, and the second feeler must not when electricity, and the angle on bridge-checking vehicle two-revolution and chassis is positioned at 45 °-135 ° zone.
2) according to the angular regions that detects, in conjunction with the electric situation that gets of each electromagnetic valve, can control the bridge-checking vehicle scaling platform in the flexible permission situation in all angles zone, the protection scaling platform does not bump against with bridge pier;
3) bridge-checking vehicle scaling platform safety guard of the present invention have simple in structure, compact, low cost and other advantages.
Description of drawings
Fig. 1 is bridge-checking vehicle flow diagram of the present invention.
Fig. 2 is 0 ° of drawing of site of bridge-checking vehicle scaling platform of the present invention and chassis.
Fig. 3 is 45 ° of drawing of site of bridge-checking vehicle scaling platform of the present invention and chassis.
Fig. 4 is 135 ° of drawing of site of bridge-checking vehicle scaling platform of the present invention and chassis.
Fig. 5 is 180 ° of drawing of site of bridge-checking vehicle scaling platform of the present invention and chassis.
Fig. 6 is 0 ° of drawing of site of angle sensing equipment of the present invention.
Fig. 7 is 45 ° of drawing of site of angle sensing equipment of the present invention.
Fig. 8 is 135 ° of drawing of site of angle sensing equipment of the present invention.
Fig. 9 is 180 ° of drawing of site of angle sensing equipment of the present invention.
Figure 10 is control device for hydraulic system schematic diagram of the present invention.
Among the figure: 1, the chassis, 2, single-revolution, 3, jib lubbing mechanism, 4, truss, 5, two-revolution, 6, the 3rd feeler, 7, fixed platform, 8, scaling platform, 9, retainer ring, 10,180 ° of blocks, 11,0 ° of block, 12, the angle detection ring, 13, the first feeler, 14, the second feeler, 15, fuel tank, 16, oil pump, 17, overflow valve, 18, the first hand-operated direction valve, 19, the first manual reverse of direction handle, 20, the first solenoid operated directional valve, 21, the first one way valve, 22, the second solenoid operated directional valve, 23, the second one way valve, 24, the second hand-operated direction valve, 25, the second manual reverse of direction handle, 26, the 3rd solenoid operated directional valve, 27, the platform running motor, 28, the two-revolution rotary motor, 29, hydraulic power unit, 30, oil path control unit, 31, performance element.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
By Fig. 1 ~ shown in Figure 10; bridge-checking vehicle scaling platform protective device of the present invention comprises: angle sensing equipment and control device for hydraulic system; described angle sensing equipment comprises the retainer ring 9 on the two-revolution 5 that is packed in bridge-checking vehicle; be packed in angle detection ring 12 and the 3rd feeler 6 on the fixed platform 7 of bridge-checking vehicle; be fixed with 180 ° of blocks 10 on the retainer ring 9; 0 ° of block 11; the first feeler 13 and the second feeler 14; the angle that 180 ° of blocks 10 and 0 ° of block 11 are arranged is 90 °; angle between the first feeler 13 and the second feeler 14 axis is 90 °; the cornerite of angle detection ring 12 is 90 °; be positioned at the outside of retainer ring 9; coaxial with retainer ring 9, described the 3rd feeler is installed on the fixed platform 7.
Described control device for hydraulic system comprises hydraulic oil container 15, oil pump 16, overflow valve 17, the first hand-operated direction valve 18, the first solenoid operated directional valve 20, the second solenoid operated directional valve 22, the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, platform running motor 27 and two-revolution rotary motor 28, fuel tank 15 is connected with oil pump 16 by pipeline, and the first hand-operated direction valve 18, the second hand-operated direction valve 24 and overflow valve 17 are connected in parallel on the output pipe of oil pump 16; The first hand-operated direction valve 24, the first solenoid operated directional valve 20, two-revolution rotary motor 28 and the second solenoid operated directional valve 22 are in turn connected to form a closed-loop path; The second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26 and platform running motor 27 are in turn connected to form a closed-loop path.Also comprise the first one way valve 21 and the second one way valve 23, the first one way valve 21 and the first solenoid operated directional valve 20 form a closed-loop path, the second one way valve 23 and the second solenoid operated directional valve 22 form a closed-loop path, and two-revolution rotary motor 28 two ends are communicated with respectively on the pipeline that the first one way valve 21 outputs are communicated with the first solenoid operated directional valve 20 and the second one way valve 23 outputs and pipeline that the second solenoid operated directional valve 22 is communicated with.Described the first hand-operated direction valve 18 is equipped with the first manual reverse of direction handle 19, and described the second hand-operated direction valve 24 is equipped with the second manual reverse of direction handle 25.
Above-mentioned bridge-checking vehicle scaling platform protective device control method is as follows:
When at first electric according to getting of the first feeler, the second feeler and the 3rd feeler, control the first solenoid operated directional valve, the second solenoid operated directional valve and the 3rd solenoid operated directional valve; Then pull the revolution action of the first manual reverse of direction handle control two-revolution of the first hand-operated direction valve; Pull the expanding-contracting action of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve; Concrete operations are as follows:
1) when the first feeler 13 and the second feeler 14 must not electricity, the 3rd feeler 6 when electric, the first feeler 13 and the second feeler 14 must not be electric, illustrate that the first feeler 13 on the retainer ring 9 does not all contact with angle detection ring 12 with the second feeler 14, scaling platform 8 is positioned at 0 ° of-45 ° of zone with chassis 1 angle; The 3rd feeler 6 gets electric, illustrates that the 3rd feeler 6 on the fixed platform 7 contacts with scaling platform 8, and scaling platform 8 does not stretch out; Must not be electric according to the first feeler 13 and the second feeler 14, the 3rd feeler 6 must be electric, and controlling the 3rd solenoid operated directional valve 26 must be electric, and the first solenoid operated directional valve 20, the second solenoid operated directional valve 22 must not electricity.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, two-revolution rotary motor 28, the first solenoid operated directional valve 20, the first hand-operated direction valve 18, flow back to fuel tank 15, clockwise rotated by two-revolution rotary motor 28 control two-revolutions 5, when two-revolution 5 forwards 0 ° to, because angle detection ring 12 contacts with 0 ° of block 11, stops that two-revolution 5 is rotated further; When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the first hand-operated direction valve 18, flow back to fuel tank 15, rotated counterclockwise by two-revolution rotary motor 28 control two-revolutions 5.When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not be stretched; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not contract.
2) when the first feeler 13, the second feeler 14 and the 3rd feeler 6 must not when electricity, the first feeler 13 and the second feeler 14 must not be electric, illustrate that the first feeler 13 on the retainer ring 9 does not all contact with angle detection ring 12 with the second feeler 14, scaling platform 8 is positioned at 0 ° of-45 ° of zone with chassis 1 angle; The 3rd feeler 6 must not be electric, illustrates that the 3rd feeler 6 on the fixed platform 7 does not contact with scaling platform 8, and scaling platform 8 does not stretch out; Must not electricity according to the first feeler 13 and the second feeler 14, the 3rd feeler 6 must not electricity, control the first solenoid operated directional valve 20, the 3rd solenoid operated directional valve 26 electric, the second solenoid operated directional valve 22 must not electricity.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, two-revolution rotary motor 28, the first one way valve 21, the first one way valve 21 has the choked flow effect, and hydraulic oil thus oil circuit passes through, and flows back to fuel tank 15 from oil pump 16 through overflow valve 17, two-revolution rotary motor 28 is not worked, and two-revolution 5 can not be along clockwise rotating.When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, the first one way valve 21, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the first hand-operated direction valve 18, flow back to fuel tank 15, rotated counterclockwise by two-revolution rotary motor 28 control two-revolutions 5.When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not be stretched; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not contract.
3) when the first feeler 13 and the 3rd feeler 6 electric, the second feeler 14 must not when electricity, the first feeler 13 gets electric, the second feeler 14 must not be electric, illustrate that the first feeler 13 on the retainer ring 9 contacts with angle detection ring 12, and the second feeler 14 on the retainer ring 9 does not contact with angle detection ring 12, and scaling platform 8 is positioned at 45 ° of-135 ° of zones with chassis 1 angle; The 3rd feeler 6 gets electric, illustrates that the 3rd feeler 6 on the fixed platform 7 contacts with scaling platform 8, and scaling platform 8 does not stretch out; According to the first feeler 13 and the 3rd feeler 6 electric, the second feeler 14 must not electricity, controls the first solenoid operated directional valve 20, the second solenoid operated directional valve 22, the 3rd solenoid operated directional valve 26 must not electricity.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, two-revolution rotary motor 28, the first solenoid operated directional valve 20, the first hand-operated direction valve 18, flow back to fuel tank 15, clockwise rotated by two-revolution rotary motor 28 control two-revolutions 5; When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the first hand-operated direction valve 18, flow back to fuel tank 15, rotated counterclockwise by two-revolution rotary motor 28 control two-revolutions 5; When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 flows back to fuel tank 15 with the hydraulic oil pressurization through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, platform running motor 27, the second hand-operated direction valve 24.Platform running motor 27 drives scaling platform 8 and stretches out; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, flow back to fuel tank 15 through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, the second hand-operated direction valve 24, platform running motor 27 drives scaling platform 8 and retracts.
4) when the first feeler 13 electric, the second feeler 14 and the 3rd feeler 6 must not whens electricity, the first feeler 13 gets electric, the second feeler 14 must not be electric, illustrate that the first feeler 13 on the retainer ring 9 contacts with angle detection ring 12, and the second feeler 14 does not contact with angle detection ring 12, and scaling platform 8 is positioned at 45 ° of-135 ° of zones with chassis 1 angle; The 3rd feeler 6 must not be electric, illustrates that the 3rd feeler 6 on the fixed platform 7 does not contact with scaling platform 8, and scaling platform 8 stretches out; Must be electric according to the first feeler 13, the second feeler 14 must not be electric, and the 3rd feeler 6 must not be electric, and controlling the first solenoid operated directional valve 20, the second solenoid operated directional valve 22 and the 3rd solenoid operated directional valve 26 must not electricity.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, two-revolution rotary motor 28, the first solenoid operated directional valve 20, the first hand-operated direction valve 18, flow back to fuel tank 15, clockwise rotated by two-revolution rotary motor 28 control two-revolutions 5; When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the first hand-operated direction valve 18, flow back to fuel tank 15, rotated counterclockwise by two-revolution rotary motor 28 control two-revolutions 5; When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 flows back to fuel tank 15 with the hydraulic oil pressurization through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, platform running motor 27, the second hand-operated direction valve 24.Platform running motor 27 drives scaling platform 8 and stretches out; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, flow back to fuel tank 15 through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, the second hand-operated direction valve 24, platform running motor 27 drives scaling platform 8 and retracts.
5) when the first feeler 13 must not the electricity, the second feeler 14 and the 3rd feeler 6 when electric, the first feeler 13 must not be electric, the second feeler 14 gets electric, illustrate that the first feeler 13 on the retainer ring 9 does not contact with angle detection ring 12, and the second feeler 14 contacts with angle detection ring 12, scaling platform 8 is positioned at 135 ° of-180 ° of zones with chassis 1 angle, the 3rd feeler 6 gets electric, illustrate that the 3rd feeler 6 on the fixed platform 7 contacts with scaling platform 8, scaling platform 8 does not stretch out; Must not be electric according to the first feeler 13, the second feeler 14 and the 3rd feeler 6 must be electric, and controlling the 3rd solenoid operated directional valve 26 must be electric, and the first solenoid operated directional valve 20, the second solenoid operated directional valve 22 must not electricity.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, two-revolution rotary motor 28, the first solenoid operated directional valve 20, the first hand-operated direction valve 18, flow back to fuel tank 15, clockwise rotated by two-revolution rotary motor 28 control two-revolutions 5, when two-revolution 5 forwards 0 ° to, because angle detection ring 12 contacts with 0 ° of block 11, stops that two-revolution 5 is rotated further; When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the first hand-operated direction valve 18, flow back to fuel tank 15, rotated counterclockwise by two-revolution rotary motor 28 control two-revolutions 5; When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not be stretched; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not contract.
6) when the first feeler 13 and the 3rd feeler 6 must not electricity, the second feeler 14 when electric, the first feeler 13 must not be electric, the second feeler 14 gets electric, illustrate that the first feeler 13 on the retainer ring 9 does not contact with angle detection ring 12, the second feeler 14 contacts with angle detection ring 12, scaling platform 8 is positioned at 135 ° of-180 ° of zones with chassis 1 angle, the 3rd feeler 6 must not be electric, illustrate that the 3rd feeler 6 on the fixed platform 7 does not contact with scaling platform 8, scaling platform 8 stretches out; Must not electricity according to the first feeler 13 and the 3rd feeler 6, the second feeler 14 electric, controlling the first solenoid operated directional valve 20 must not electricity, the second solenoid operated directional valve 22 and the 3rd solenoid operated directional valve 26 electric.
At this moment, when the first manual reverse of direction handle 19 of pulling down the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the second solenoid operated directional valve 22, the second one way valve 23, two-revolution rotary motor 28, the first solenoid operated directional valve 20, the first hand-operated direction valve 18, flow back to fuel tank 15, clockwise rotated by two-revolution rotary motor 28 control two-revolutions 5; When the first manual reverse of direction handle 19 of pulling upper the first hand-operated direction valve 18, oil pump 16 pressurizes hydraulic oil, through the first hand-operated direction valve 18, the first solenoid operated directional valve 20, two-revolution rotary motor 28, the second solenoid operated directional valve 22, the second one way valve 23, the second one way valve 23 has the choked flow effect, hydraulic oil thus oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, two-revolution rotary motor 28 is not worked, and two-revolution 5 can not rotate counterclockwise; When the second manual reverse of direction handle 25 of pulling down the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not be stretched; When the second manual reverse of direction handle 25 of pulling upper the second hand-operated direction valve 24, oil pump 16 pressurizes hydraulic oil, through the second hand-operated direction valve 24, platform running motor 27, the 3rd solenoid operated directional valve 26, because the 3rd solenoid operated directional valve 26 gets the electric choked flow effect that has, hydraulic oil from then on oil circuit passes through, flow back to fuel tank 15 from oil pump 16 through overflow valve 17, platform running motor 27 is not worked, and scaling platform 8 can not contract.
Claims (5)
1. bridge-checking vehicle scaling platform protective device, it is characterized in that: comprise angle sensing equipment and control device for hydraulic system, described angle sensing equipment comprises retainer ring on the two-revolution that is packed in bridge-checking vehicle, be packed in angle detection ring and the 3rd feeler on the fixed platform of bridge-checking vehicle, be fixed with 180 ° of blocks, 0 ° of block, the first feeler and second feeler on the retainer ring, the angle detection ring is positioned at the outside of retainer ring, coaxial with retainer ring, described the 3rd feeler is installed on the fixed platform; Described control device for hydraulic system comprises hydraulic oil container, oil pump, overflow valve, the first hand-operated direction valve, the first solenoid operated directional valve, the second solenoid operated directional valve, the second hand-operated direction valve, the 3rd solenoid operated directional valve, platform running motor and two-revolution rotary motor, fuel tank is connected with oil pump by pipeline, and the first hand-operated direction valve, the second hand-operated direction valve and overflow valve are connected in parallel on the output pipe of oil pump; The first hand-operated direction valve, the first solenoid operated directional valve, two-revolution rotary motor and the second solenoid operated directional valve are in turn connected to form a closed-loop path; The second hand-operated direction valve, the 3rd solenoid operated directional valve and platform running motor are in turn connected to form a closed-loop path.
2. the bridge-checking vehicle scaling platform safety guard of stating such as claim 1; it is characterized in that: the cornerite of described angle detection ring is 90 °; the angle of 180 ° of blocks and 0 ° of block is 90 °, and the angle between the first feeler and the second feeler axis is 90 °.
3. the bridge-checking vehicle scaling platform safety guard of stating such as claim 1; it is characterized in that: also comprise the first one way valve and the second one way valve; the first one way valve and the first solenoid operated directional valve form a closed-loop path; the second one way valve and the second solenoid operated directional valve form a closed-loop path, and two-revolution rotary motor two ends are communicated with respectively on the pipeline that the first one way valve output is communicated with the first solenoid operated directional valve and the second one way valve output and pipeline that the second solenoid operated directional valve is communicated with.
4. the bridge-checking vehicle scaling platform safety guard of stating such as claim 1 is characterized in that: described the first hand-operated direction valve is equipped with the first manual reverse of direction handle, and described the second hand-operated direction valve is equipped with the second manual reverse of direction handle.
5. the control method of a bridge-checking vehicle scaling platform protective device, its step is as follows:
At first control the first solenoid operated directional valve, the second solenoid operated directional valve and the 3rd solenoid operated directional valve according to the electric situation that gets of the first feeler, the second feeler and the 3rd feeler; Then pull the revolution action of the first manual reverse of direction handle control two-revolution of the first hand-operated direction valve; Pull the expanding-contracting action of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve; Concrete operations are as follows:
1) must not contact electricity when contacting electricly with the 3rd feeler when the first feeler, the second feeler, controlling the first solenoid operated directional valve, the second solenoid operated directional valve must not electricity, the 3rd solenoid operated directional valve gets electric, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is pulled the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve along turning anticlockwise;
2) when the first feeler, the second feeler and the 3rd feeler must not contact electricity, controlling the second solenoid operated directional valve must not be electric, the first solenoid operated directional valve, the 3rd solenoid operated directional valve get electric, and then pull the first manual reverse of direction handle control two-revolution turning anticlockwise of the first hand-operated direction valve, the not flexible of the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve;
3) contact to get electric and the second feeler when must not contact electricity when the first feeler, the 3rd feeler, controlling the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is along turning anticlockwise, and the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve is flexible;
4) when the first feeler contacts electricly, when the second feeler and the 3rd feeler must not contact electricity, controlling the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is along turning anticlockwise, and the second manual reverse of direction handle control scaling platform of pulling the second hand-operated direction valve is flexible;
5) contact to get electric and the first feeler when must not contact electricity when the second feeler, the 3rd feeler, controlling the 3rd solenoid operated directional valve gets electric, the first solenoid operated directional valve, the second solenoid operated directional valve must not be electric, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve is pulled the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve along turning anticlockwise; When two-revolution forwards 180 ° to, because the angle detection ring contacts with 180 ° of blocks, stop that two-revolution continues to reverse;
6) when the second feeler contacts electricly, when the first feeler and the 3rd feeler must not contact electricity, control the second solenoid operated directional valve, the 3rd solenoid operated directional valve get electric, the first solenoid operated directional valve must not electricity, and then the first manual reverse of direction handle control two-revolution of pulling the first hand-operated direction valve turns round clockwise, pulls the not flexible of the second manual reverse of direction handle control scaling platform of the second hand-operated direction valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210403115.6A CN102953331B (en) | 2012-10-22 | 2012-10-22 | Bridge inspection vehicle stretching platform protection device and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210403115.6A CN102953331B (en) | 2012-10-22 | 2012-10-22 | Bridge inspection vehicle stretching platform protection device and control method |
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| CN102953331A true CN102953331A (en) | 2013-03-06 |
| CN102953331B CN102953331B (en) | 2014-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623114A (en) * | 2022-05-17 | 2022-06-14 | 中海油能源发展股份有限公司采油服务分公司 | Hydraulic rotation control system of marine hose crane |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08100411A (en) * | 1994-09-30 | 1996-04-16 | Kayaba Ind Co Ltd | Wall back face inspecting vehicle |
| CN2839365Y (en) * | 2005-10-15 | 2006-11-22 | 徐州徐工随车起重机有限公司 | Working device for bridge detection vehicle |
| KR20090126883A (en) * | 2008-06-05 | 2009-12-09 | 한양대학교 산학협력단 | Apparatus for inspecting bridge |
| CN101624810A (en) * | 2009-08-05 | 2010-01-13 | 燕山大学 | Bridge inspection vehicle |
| CN201464843U (en) * | 2009-06-29 | 2010-05-12 | 杭州专用汽车有限公司 | Automatic control device for safe operation of vehicle boom frame in bridge inspection |
| CN102041777A (en) * | 2010-12-16 | 2011-05-04 | 重庆大江工业有限责任公司 | Anti-collision system for telescopic working platform of bridge detection vehicle |
| CN201891076U (en) * | 2010-11-19 | 2011-07-06 | 吕彭民 | Intelligent and manual dual-purpose bridge detecting vehicle |
| CN202849935U (en) * | 2012-10-22 | 2013-04-03 | 湖南恒润高科股份有限公司 | Protection device of bridge detection car telescopic platform |
-
2012
- 2012-10-22 CN CN201210403115.6A patent/CN102953331B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08100411A (en) * | 1994-09-30 | 1996-04-16 | Kayaba Ind Co Ltd | Wall back face inspecting vehicle |
| CN2839365Y (en) * | 2005-10-15 | 2006-11-22 | 徐州徐工随车起重机有限公司 | Working device for bridge detection vehicle |
| KR20090126883A (en) * | 2008-06-05 | 2009-12-09 | 한양대학교 산학협력단 | Apparatus for inspecting bridge |
| CN201464843U (en) * | 2009-06-29 | 2010-05-12 | 杭州专用汽车有限公司 | Automatic control device for safe operation of vehicle boom frame in bridge inspection |
| CN101624810A (en) * | 2009-08-05 | 2010-01-13 | 燕山大学 | Bridge inspection vehicle |
| CN201891076U (en) * | 2010-11-19 | 2011-07-06 | 吕彭民 | Intelligent and manual dual-purpose bridge detecting vehicle |
| CN102041777A (en) * | 2010-12-16 | 2011-05-04 | 重庆大江工业有限责任公司 | Anti-collision system for telescopic working platform of bridge detection vehicle |
| CN202849935U (en) * | 2012-10-22 | 2013-04-03 | 湖南恒润高科股份有限公司 | Protection device of bridge detection car telescopic platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623114A (en) * | 2022-05-17 | 2022-06-14 | 中海油能源发展股份有限公司采油服务分公司 | Hydraulic rotation control system of marine hose crane |
| CN114623114B (en) * | 2022-05-17 | 2022-08-09 | 中海油能源发展股份有限公司采油服务分公司 | Hydraulic rotation control system of marine hose crane |
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| CN102953331B (en) | 2014-10-22 |
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