CN103452157B - Damage prevention system of dredging construction foundation trench bed surface - Google Patents
Damage prevention system of dredging construction foundation trench bed surface Download PDFInfo
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- CN103452157B CN103452157B CN201310365655.4A CN201310365655A CN103452157B CN 103452157 B CN103452157 B CN 103452157B CN 201310365655 A CN201310365655 A CN 201310365655A CN 103452157 B CN103452157 B CN 103452157B
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Abstract
The invention relates to the field of dredging industry, in particular to a damage prevention system of a dredging construction foundation trench bed surface. The system comprises a controller, a hydraulic system, a connecting plate, position sensors, an angle sensor and hydraulic oil cylinders, wherein the connecting plate is provided with three connecting points, and the first connecting point is pivoted with a bridge; the second connecting point is connected with a sucking disc, and the two ends of the hydraulic oil cylinders are respectively pivoted with the bridge and the third connecting point of the connecting plate; the position sensors are arranged at the front ends of the piston rods of the hydraulic oil cylinder sand are connected with the controller, and the angle sensor is arranged at the third connecting point pivoted with the hydraulic oil cylinder and is connected with the controller; and the hydraulic system is respectively connected with the hydraulic oil cylinders and the controller. The system provided by the invention adopts a pivot connection structure form, and combines a real-time dynamic-based position and angle positioning technology with a hydraulic control operation technology to realize dynamic operation, so that the positioning accuracy and the dredging efficiency are high, and the damage to the dredging foundation trench bed surface in the dredging process is effectively prevented.
Description
Technical field
The present invention relates to dredging industry field, particularly relate to a kind of Dredging Construction foundation trench bed surface loss prevention system.
Background technology
In dredging works, boats and ships desilting generally to be played submersible pump by the winch cable on bridge, transfer near needing desilting bedding face to carry out desilting, it is this that to flexibly connect form of construction work inaccurate to desilting severity control, produce can to when submersible pump and desilting bedding face collide bedding face to destroy, if submersible pump and desilting bedding identity distance are from time distant, dredging effect is poor.The another kind of mode of boats and ships desilting is arranged on bridge by submersible pump, sucker is fixedly connected with bridge frame, and which is relatively more accurate to desilting depth detection, but under the factor effects such as stormy waves, bridge can not promote rapidly with sucker, is also very easy to damage desilting foundation trench bed surface.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention how to prevent the damage to desilting foundation trench bed surface in desilting process.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of Dredging Construction foundation trench bed surface loss prevention system, it comprises controller, hydraulic system, junction plate, position sensor, angular transducer and hydraulic jack; Described junction plate has three tie points, first tie point and bridge hinged, second tie point is connected with sucker, and the two ends of described hydraulic jack are hinged with the 3rd tie point of bridge and junction plate respectively; The piston rod front end of described hydraulic jack is located at by described position sensor, and is connected with controller; Described three tie point hinged with described hydraulic jack is provided with described angular transducer, and described angular transducer is connected with controller; Described hydraulic system is connected with hydraulic jack and controller respectively.。
Further, described hydraulic system comprises hydraulic oil container, power pump station, pressure flow directional control valve group, constant-pressure pressure control valve group, the other equalizing valve group of cylinder, pressure display and regulon; Oil circuit from hydraulic oil container to hydraulic jack is provided with successively the other equalizing valve group of described pressure flow directional control valve group, constant-pressure pressure control valve group and cylinder, described pressure display is connected with described controller and each valve group described with regulon.
Further, described pressure flow directional control valve group comprises multiple direction valve connected successively.
Further, described constant-pressure pressure control valve group comprises the accumulator, reducing valve and the proportioning valve that connect successively.
Further, the other equalizing valve group of described cylinder comprises multiple safety valve connected successively.
Further, described hydraulic jack is parallel two of arranging.
Further, described controller is PLC.
(3) beneficial effect
A kind of Dredging Construction foundation trench bed surface loss prevention system provided by the invention, system that employs hinge syndeton form, be combined with hydraulic control operating technology based on real-time dynamic position, angle orientation technology, reach dynamic operation, not only positioning precision is high, desilting efficiency data is high, and effectively prevents the damage to desilting foundation trench bed surface in desilting process; This system architecture is simple, cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of Dredging Construction foundation trench bed surface loss prevention system of the present invention;
Fig. 2 is A-A view in Fig. 1;
Fig. 3 is the schematic diagram of hydraulic system in the present invention;
Fig. 4 is fundamental diagram of the present invention.
In figure: 100, sucker; 200, bridge; 300, junction plate; 400, angular transducer; 500, hydraulic jack; 610, hydraulic oil container; 620, power pump station; 630, pressure flow directional control valve group; 631, first direction valve; 632, second direction valve; 633, third direction valve; 634, fourth direction valve; 640, constant-pressure pressure control valve group; 641, accumulator; 642, reducing valve; 643, proportioning valve; 650, the other equalizing valve group of cylinder; 651, the first safety valve; 652, the second safety valve; A1, first tie point; A2, second tie point; A3, the 3rd tie point.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
In describing the invention, it should be noted that, term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
As depicted in figs. 1 and 2, a kind of Dredging Construction foundation trench bed surface loss prevention system of the present invention, this loss prevention system comprises controller, hydraulic system, junction plate 300, position sensor, angular transducer 400 and hydraulic jack 500; Junction plate 300 has three tie points, wherein, first tie point a1 and bridge 200 hinged, second tie point a2 is connected with sucker 100, and the two ends of hydraulic jack 500 are hinged with the 3rd tie point a3 of bridge 200 and junction plate 300 respectively; The piston rod front end of hydraulic jack is located at by position sensor, and is connected with controller; The 3rd the tie point a3 be connected with hydraulic jack 500 is provided with angular transducer 400, and angular transducer 400 is connected with controller; Hydraulic system is connected with hydraulic jack 500 and controller respectively.
Controller is PLC.Hydraulic jack 500 is parallel two of arranging, co-controlling sucker.Position sensor gives controller for obtaining oil cylinder position Data Concurrent; Angular transducer 400 is for obtaining sucker angle-data and sending to controller.Controller is located at and drives on platform, carrys out hydraulic control system to realize stretching out or regaining of hydraulic jack by setting controller program, and then drives sucker to move along each pin joint.
Compared with prior art, present invention employs hinge syndeton form, be combined with hydraulic control operating technology based on real-time dynamic position, angle orientation technology; reach dynamic operation; not only positioning precision is high, and desilting efficiency data is high, and available protecting desilting bedding face is damaged.
As shown in Figure 3, particularly, the hydraulic system of the embodiment of the present invention comprises hydraulic oil container 610, power pump station 620, pressure flow directional control valve group 630, constant-pressure pressure control valve group 640, the other equalizing valve group 650 of cylinder, pressure display and regulon; Hydraulic oil container 610 is whole hydraulic system fuel feeding, and power pump station 620 provides power for whole oil circuit; To the oil circuit of hydraulic jack 500, the other equalizing valve group 650 of pressure flow directional control valve group 630, constant-pressure pressure control valve group 640 and cylinder is provided with successively from hydraulic oil container 610.
Pressure flow directional control valve group 630 is located on hydraulic oil container 610, for the fuel delivery of hydraulic control oil pump; Constant-pressure pressure control valve group 640 is located at power pump station 620 side, for control power pump station 620 oil circuit to make sucker act on seabed foundation trench time reach required constant pressure; The other equalizing valve group 650 of cylinder is located near hydraulic jack place on crane span structure 200, passive pressure when regaining when being subject to External Force Acting for regulating sucker according to requirement of engineering; Whether pressure display is arranged on to drive on platform with regulon and is connected with controller, and is connected with each valve group, and this pressure shows and regulon comprises display floater and control panel, be in normally work and for regulating the folding of each valve group for showing each valve group.
Pressure flow directional control valve group 630 comprises choke valve, flow speed control valve, overflow valve and multiple direction valve be connected successively, and direction valve is preferably four, is respectively first direction valve 631, second direction valve 632, third direction valve 633 and fourth direction valve 634.Constant-pressure pressure control valve group 640 comprises the accumulator 641, reducing valve 642 and the proportioning valve 643 that connect successively.The other equalizing valve group 650 of cylinder comprises multiple safety valve connected successively, is preferably two, is followed successively by the first safety valve 651 and the second safety valve 652.
Wherein, this Dredging Construction foundation trench bed surface loss prevention system is divided into constant voltage and manual mode:
One, constant voltage mode, as shown in Figure 4:
1, constant-pressure pressure regulates: the pressure being controlled reducing valve 642 under pressure constant state by the proportioning valve 643 in regulating constant pressure pressure control valve group 640, reaches required constant pressure P1, makes sucker 100 act on the power of seabed foundation trench constant.Now can see set up constant pressure P1 on the display floater driving platform.
2, sucker is subject to impact force and regains pressure adjusting: by regulating the pressure value P 2 of the second safety valve 652 in the other equalizing valve group 650 of cylinder, this pressure can be adjusted according to requirement of engineering, pressure value P 2 for when sucker is subject to External Force Acting passive regain time pressure, this pressure value P 2 is less than the pressure value P 3 be subject to when sucker produces destroy foundation trench, i.e. P2 < P3, P2 value is higher than constant-pressure pressure value P1 simultaneously, lock the second safety valve 652, now can see set up pressure value P 2 on the display floater driving platform.
3, driving on deck plate two alarm lamps: it is adjustable to be respectively constant-pressure pressure value P1() and sucker 100 is subject to impacting, and to regain pressure value P 2(adjustable) time Signal aspects lamp, when pressure reaches constant-pressure pressure P1, indicator lamp is bright, show that sucker contacts with to Submarine Basic rooved face, be in pressure constant state.When pressure reaches sucker, to be subject to external force pressure recovery value P2(adjustable) time indicator lamp bright, show that the active force of sucker and Submarine Basic rooved face is excessive, sucker is regained.
4, operation use: constant-pressure pressure and sucker be subject to impact force regain pressure adjusting good after, just can transfer crane span structure by the degree of depth required for sucker arrival according to the requirement of engineering, when sucker will arrive at the bottom of foundation trench, use manual mode that hydraulic jack 500 is stretched out at a slow speed or regains and sucker adjusted to required angle (judging according to angular transducer) and continue to transfer crane span structure by the degree of depth required for sucker arrival and contact with foundation trench face, now sucker face is parallel with foundation trench face, angle is shown as 0, then pattern is converted to constant voltage mode and gets final product work.Now constant voltage indicator lamp is bright shows that constant voltage mode normally works.The pressure loss now in oil cylinder is by accumulator 641 pressurize, and first direction valve 631 is in power failure state, and the oil of oil pump can realize Inner eycle oil sump tank, avoids high oil temperature, and realizes energy-conservation object.
When sucker, to be subject to indicator lamp when external force is more than or equal to the pressure value P 2 of recovery bright, and at this moment can demonstrate P2 value driving on deck plate, show that sucker is subject to outer active force excessive, sucker is regained, and foundation trench can be protected to be damaged.
When requiring that hydraulic jack 500 stretches out fast, regains, then making first direction valve 631, second direction valve 632 and third direction valve 633 be energized can realize simultaneously.As required, oil cylinder stretches out at a slow speed, withdrawal, then first direction valve 631 can be made to be energized, and second direction valve 632 and third direction valve 633 power-off simultaneously can realize.
Two, manual mode:
Stretched out by the hydraulic jack driven on platform, recovery operation button controls fourth direction valve 634 and commutate, stretch out to realize oil cylinder, regain, drive sucker to move along bridge hinge.
A kind of Dredging Construction foundation trench bed surface loss prevention system that such scheme provides; have employed hinge syndeton form; be combined with hydraulic control operating technology based on real-time dynamic position, angle orientation technology; reach dynamic operation; not only positioning precision is high; desilting efficiency data is high, and available protecting desilting bedding face is damaged.Its structure is simple, cost is lower.
The present invention adopts position sensor to be used for obtaining oil cylinder position Data Concurrent and gives controller; Angular transducer is for obtaining sucker angle-data and sending to controller, controller processes the data that position sensor and angular transducer are carried, and calculate the angle that sucker transfers the degree of depth and sucker and foundation trench bed surface, the operating angle of transferring the degree of depth and sucker and foundation trench bed surface according to sucker adjusts oil cylinder, positioning sucker disk desilting position; Behind sucker location, the hydraulic control system controlling adjustment oil cylinder is transformed into constant voltage mode of operation and starts desilting; When the impact force that sucker is subject to equals to be greater than the power destroying foundation trench bed surface, adjustment oil cylinder is regained rapidly with sucker, avoids sucker to produce foundation trench bed surface and destroys.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (7)
1. a Dredging Construction foundation trench bed surface loss prevention system, is characterized in that, comprises controller, hydraulic system, junction plate, position sensor, angular transducer and hydraulic jack; Described junction plate has three tie points, first tie point and bridge hinged, second tie point is connected with sucker, and the two ends of described hydraulic jack are hinged with the 3rd tie point of bridge and junction plate respectively; The piston rod front end of described hydraulic jack is located at by described position sensor, and is connected with controller; Described three tie point hinged with described hydraulic jack is provided with described angular transducer, and described angular transducer is connected with controller; Described hydraulic system is connected with hydraulic jack and controller respectively.
2. Dredging Construction foundation trench bed surface loss prevention system as claimed in claim 1, it is characterized in that, described hydraulic system comprises hydraulic oil container, power pump station, pressure flow directional control valve group, constant-pressure pressure control valve group, the other equalizing valve group of cylinder, pressure display and regulon; Oil circuit from hydraulic oil container to hydraulic jack is provided with successively the other equalizing valve group of described pressure flow directional control valve group, constant-pressure pressure control valve group and cylinder, described pressure display is connected with described controller and each valve group described with regulon.
3. Dredging Construction foundation trench bed surface loss prevention system as claimed in claim 2, it is characterized in that, described pressure flow directional control valve group comprises multiple direction valve connected successively.
4. Dredging Construction foundation trench bed surface loss prevention system as claimed in claim 2, it is characterized in that, described constant-pressure pressure control valve group comprises the accumulator, reducing valve and the proportioning valve that connect successively.
5. Dredging Construction foundation trench bed surface loss prevention system as claimed in claim 2, is characterized in that, the other equalizing valve group of described cylinder comprises multiple safety valve connected successively.
6. Dredging Construction foundation trench bed surface loss prevention system as claimed in claim 1, is characterized in that, described hydraulic jack is parallel two of arranging.
7. the Dredging Construction foundation trench bed surface loss prevention system as described in any one of claim 1-6, it is characterized in that, described controller is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310365655.4A CN103452157B (en) | 2013-08-20 | 2013-08-20 | Damage prevention system of dredging construction foundation trench bed surface |
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| CN201310365655.4A CN103452157B (en) | 2013-08-20 | 2013-08-20 | Damage prevention system of dredging construction foundation trench bed surface |
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| CN103452157A CN103452157A (en) | 2013-12-18 |
| CN103452157B true CN103452157B (en) | 2015-06-17 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017045A (en) * | 1989-03-24 | 1991-05-21 | Sato Kogyo Co., Ltd. | Method and apparatus for controlling attitude of shield excavator |
| CN102155007A (en) * | 2011-01-28 | 2011-08-17 | 黄河勘测规划设计有限公司 | Hydraulic system for trolley driving mechanism of inclined sliding door hoist |
| CN202175979U (en) * | 2011-08-15 | 2012-03-28 | 中交上海航道勘察设计研究院有限公司 | Environment-friendly dredging device |
| CN202971357U (en) * | 2012-11-08 | 2013-06-05 | 长江航运科学研究所 | Berth bogie hydraulic constant-pressure control system |
| CN203440857U (en) * | 2013-08-20 | 2014-02-19 | 中交广州航道局有限公司 | Dredging construction foundation trench bed surface damage preventing system |
-
2013
- 2013-08-20 CN CN201310365655.4A patent/CN103452157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017045A (en) * | 1989-03-24 | 1991-05-21 | Sato Kogyo Co., Ltd. | Method and apparatus for controlling attitude of shield excavator |
| CN102155007A (en) * | 2011-01-28 | 2011-08-17 | 黄河勘测规划设计有限公司 | Hydraulic system for trolley driving mechanism of inclined sliding door hoist |
| CN202175979U (en) * | 2011-08-15 | 2012-03-28 | 中交上海航道勘察设计研究院有限公司 | Environment-friendly dredging device |
| CN202971357U (en) * | 2012-11-08 | 2013-06-05 | 长江航运科学研究所 | Berth bogie hydraulic constant-pressure control system |
| CN203440857U (en) * | 2013-08-20 | 2014-02-19 | 中交广州航道局有限公司 | Dredging construction foundation trench bed surface damage preventing system |
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