CN203113290U - Novel flap valve control system - Google Patents
Novel flap valve control system Download PDFInfo
- Publication number
- CN203113290U CN203113290U CN 201220752193 CN201220752193U CN203113290U CN 203113290 U CN203113290 U CN 203113290U CN 201220752193 CN201220752193 CN 201220752193 CN 201220752193 U CN201220752193 U CN 201220752193U CN 203113290 U CN203113290 U CN 203113290U
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- hydraulic fluid
- fluid port
- control system
- flap valve
- valve
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Abstract
The utility model discloses a novel flap valve control system. The novel flap valve control system comprises a flap valve, a balance pulley block, a steering pulley block, a movable pulley block, a steel wire rope, a gear lantern ring, a rack, a hydraulic control system and an electrical control system. The upper end of the flap valve is arranged above a water outlet runner in a hinged mode, and the balance pulley block is arranged at the lower end of the flap valve. The hydraulic control system comprises a lifting cylinder, a control valve unit, an oil tank, a filter, an oil pump and a motor. The lifting cylinder comprises a cylinder body and a piston rod. A base of the cylinder body is arranged on the rack in a fixedly-connected mode, and the movable pulley block is arranged at the extending end of the piston rod. One end of the steel wire rope is fixedly connected on the rack through the gear lantern ring, and the other end of the steel wire rope sequentially winds around the movable pulley block, the steering pulley block, the balance pulley block, the steering pulley block and the movable pulley block and finally is fixedly connected on the rack through the gear lantern ring. The movably pulley block is arranged at the extending end of the lifting cylinder, and therefore the stretching out and drawing back of the oil cylinder have the effect of double stroke increase and speed increase. When loss of power happens, the hydraulic control system can still control the flap valve to be closed at a uniform speed.
Description
Technical field
The utility model relates to flap valve headstock gear technical field, particularly winding type flap valve headstock gear.
Background technology
At present; the water pump assembly of straight pipe type outlet passage; the pump station engineering that must carry out the protection of outlet passage quick flow-breaking in run duration burst dead electricity or accident; many cutout technology are studied and implemented to brainstrust in the industry for many years; characteristics at different engineerings have adopted different design concepts and method; obtain many outstanding achievements, be development that later on should specialty, the progressive solid foundation of having set up.
The cutout mode of pumping plant straight pipe type outlet passage mainly is to adopt flap valve and stop gate.Wherein flap valve is most widely used, and form and to control means various.In the practical engineering " the mechanical balance hydraulic cushion flap valve " and " the fast hydraulic pressure headstock gear is controlled flap valve " of the comparatively desirable band flap valve control appliance of not general combination property.
The flap valve engineering of practicality adopts free style flap valve mode more at present, and namely flap valve is washed open by the water pump current, closes by deadweight and the impact force of water flow of falling.Though simple in structure, low cost, drag losses is big, and power consumption is many, and the refluence water flow velocity causes flap valve to close brief acceleration at last to increase, produce greater impact, to flap valve itself and hydraulic architecture generation harmful effect.
The utility model content
Technical problem to be solved in the utility model is: a kind of novel flap valve control system is provided, reduces resistance to satisfy, reduce power attenuation; Remain a constant speed and close, reduce the refluence current to the impact of hydraulic architecture.
The technical solution of the utility model is: a kind of novel flap valve control system comprises flap valve, equalizer pulley group, angle pulley group, running block, wire rope, rig thimbler, frame, hydraulic control system, electrical control system; The hinged top that is arranged on outlet passage, the upper end of described flap valve, the lower end of flap valve is provided with the equalizer pulley group; Described hydraulic control system comprises hoist cylinder, control valve group, fuel tank, strainer, oil pump and motor; Described hoist cylinder comprises cylinder body, piston rod; The base of described cylinder body connects firmly and is arranged on the frame, and the external part of described piston rod is provided with described running block; One end of described wire rope connects firmly on frame by rig thimbler, and the other end is pile warp running block, angle pulley group, equalizer pulley group, angle pulley group, running block successively, also connects firmly on frame by rig thimbler at last.Described control valve group comprises 34 energising magnetic reversal valves, one way pressure-reducing valve, 22 three-way electromagnetic valves, one-way throttle valve; The meta function of described 34 energising magnetic reversal valves is P types, the logical hydraulic fluid port A of described hoist cylinder is communicated with the logical hydraulic fluid port P of described one way pressure-reducing valve, one logical hydraulic fluid port of the logical hydraulic fluid port A of described one way pressure-reducing valve and the logical hydraulic fluid port A of an one-way throttle valve and described 22 three-way electromagnetic valves is interconnected, and the logical hydraulic fluid port B of this one-way throttle valve is communicated with 3 the 4 logical hydraulic fluid port A of energising magnetic reversal valve; The logical hydraulic fluid port A of the logical hydraulic fluid port B of described hoist cylinder and another logical hydraulic fluid port of described 22 three-way electromagnetic valves and another one-way throttle valve is interconnected, and the logical hydraulic fluid port B of this one-way throttle valve is communicated with 3 the 4 logical hydraulic fluid port B of energising magnetic reversal valve; Described 3 the 4 logical hydraulic fluid port P of energising magnetic reversal valve are communicated with the oil pump oil-out, and logical hydraulic fluid port T is communicated with fuel tank.Described 22 three-way electromagnetic valves are normal open state when dead electricity.Described control valve group is the integrated oil path block formula.The following holder food tray that also is provided with of described fuel tank.Described angle pulley group is arranged on the frame or is arranged on the dam foundation.Described electrical control system comprises the PLC programmable controller.
Because a kind of novel flap valve control system described in the utility model, what take is the combination kind of drive of hoist cylinder, assembly pulley, wire rope, described running block is arranged on the piston rod external part of hoist cylinder, and oil cylinder flexible played the double effect that increases the journey speedup.
Again owing to be that 34 energising magnetic reversal valves of P type and each logical hydraulic fluid port of oil pump and fuel tanks are connected cleverly with described hoist cylinder, one way pressure-reducing valve, one-way throttle valve, 22 three-way electromagnetic valves, meta functions, make under power failure state, differential circuit has been formed in two chambeies of described hoist cylinder, under the effect of flap valve and piston rod self gravitation, cavity of resorption fluid flow through one way pressure-reducing valve, 22 three-way electromagnetic valves, a part adds to epicoele then, and another part flows back to fuel tank through an one-way throttle valve, 34 energising magnetic reversal valves; Guaranteed that effectively flap valve is at the uniform velocity closed and speed control.
Also because a kind of novel flap valve control system of the present utility model is electromechanical integration technology, can be well, using PLC programming Control effectively, realize the joint control automation with unit.Make that application is more convenient.
A kind of novel flap valve control system of the present utility model can start with unit in good time synchronously, can at the uniform velocity close automatically under dead electricity or emergency conditions, possesses obviously energy-conservation and buffering.Stroke and load security control are more reliable than traditional winch hoist; Operate steadily, noise-less pollution.
Description of drawings
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the rough schematic view that wire rope twines each assembly pulley;
Fig. 4 is the hydraulic control system schematic diagram.
The specific embodiment
In order better to understand the utility model, be described further below in conjunction with 1 to 4 pair of the utility model preferred embodiment of accompanying drawing:
Among the figure, the 1st, running block, the 2nd, piston rod, the 3rd, cylinder body, the 4th, control valve group, the 5th, oil pump, the 6th, fuel tank, the 7th, frame, the 8th, concrete, the 9th, angle pulley group, the 10th, wire rope, the 11st, bearing, the 12nd, flap valve, the 13rd, equalizer pulley group, the 14th, outlet passage, the 15th, electric control box, the 16th, rig thimbler, the 17th, motor, the 18th, strainer, the 19th, sensor, the 20th, hoist cylinder, the 21st, signal lever, the 22nd, holder food tray.
Wherein, control valve group 4 comprises one way pressure-reducing valve 41, one-way throttle valve 42, and the meta function is 34 energising magnetic reversal valves 43 of P type, pressure meter 44, overflow valve 45,46,22 three-way electromagnetic valves 47 of one-way throttle valve.Hoist cylinder 20 comprises cylinder body 3, piston rod 2.
Fig. 1,2,3 has shown the agent structure relation of the utility model implementation column.Show among the figure that frame 7 and angle pulley group 9 all build with concrete eight, above outlet passage 14, be provided with bearing 11, flap valve 12 hinged being arranged on the bearing 11, the lower end of flap valve 12 is provided with equalizer pulley group 13.Control valve group 4, fuel tank 6, electric control box 15, motor 17, sensor 19, hoist cylinder 20 all are mounted on the frame 7.The bottom of the cylinder body 3 of hoist cylinder 20 is installed on the frame 7; The external part of piston rod 2 protrudes upward, and its upper end is provided with running block 1, and signal lever 21 connects firmly the external part at piston rod 2.The power output shaft of motor 17 is connected with oil pump 5 power, and oil pump 5 is connected with strainer 18 pipelines and all places in the fuel tank 6.The holder food tray 22 be arranged on fuel tank 6 under.Control valve group 4 is the integrated oil path formula.One end of wire rope 10 connects firmly on frame 7 by rig thimbler 16, the other end is pile warp running block 1, angle pulley group 9, equalizer pulley group 13, angle pulley group 9, running block 1 successively, also connects firmly on frame 7 by rig thimbler 16 at last and (sees Fig. 3 for details).
Fig. 4 is the hydraulic control system schematic diagram.This chart is understood the interconnected relationship of each relevant components and parts of hydraulic system.The logical hydraulic fluid port A of hoist cylinder 20 is communicated with the logical hydraulic fluid port P of one way pressure-reducing valve 41, one logical hydraulic fluid port of the logical hydraulic fluid port A of one way pressure-reducing valve 41 and the logical hydraulic fluid port A of one-way throttle valve 42 and described 22 three-way electromagnetic valves 47 is interconnected, and the logical hydraulic fluid port B of one-way throttle valve 42 is communicated with the logical hydraulic fluid port A of 34 energising magnetic reversal valves 43.The logical hydraulic fluid port A of the logical hydraulic fluid port B of hoist cylinder 20 and another logical hydraulic fluid port of 22 three-way electromagnetic valves 47 and one-way throttle valve 46 is interconnected, and the logical hydraulic fluid port B of one-way throttle valve 46 is communicated with the logical hydraulic fluid port B of 34 energising magnetic reversal valves 43.Logical hydraulic fluid port P and oil pump 5 oil-outs, the logical hydraulic fluid port of pressure meter 44, the logical hydraulic fluid port P of overflow valve 45 of 34 energising magnetic reversal valves 43 are interconnected, and logical hydraulic fluid port T and the logical hydraulic fluid port of fuel tank 6, the logical hydraulic fluid port T of overflow valve 45 are interconnected.The oil-out of strainer 18 is communicated with the oil-in of oil pump 5.Motor 17 is connected with oil pump 5 power.
According to the hydraulic control system schematic diagram, draft electronic program such as the following table done that get of the utility model present embodiment related electric control element:
Annotate: in upward showing+---represent electricly ,----expression must not.
It is as follows to go up the described operation program division of table now:
Pressure is adjusted: original position piston rod 2 is in the bottom, and flap valve 12 is in closed condition.Motor 17 gets electric startup, drives oil pump 5; Fluid in the fuel tank 6 is inhaled into oil pump 5, oil pump 5 pressure oil output through filter 18.The electromagnet db of 34 energising magnetic reversal valves 43 gets electric, pressure oil from its logical hydraulic fluid port P to B; Flow through the then half-duplex channel of one-way throttle valve 46, from its logical hydraulic fluid port B to A; The electromagnet dc of 22 three-way electromagnetic valves 47 gets electric, and two logical hydraulic fluid ports are cut off; The flow through logical hydraulic fluid port B of hoist cylinder 20 of pressure oil is communicated with the epicoele of hoist cylinder 20, and piston rod 2 has been in the bottom, and flap valve 12 also has been in closed condition.Regulate overflow valve 45 to the operating pressure of required setting, pressure meter 44 demonstrates this force value.
Flap valve is opened: original position piston rod 2 is in the bottom, and flap valve 12 is in closed condition.Motor 17 gets electric startup, drives oil pump 5; Fluid in the fuel tank 6 is inhaled into oil pump 5, oil pump 5 pressure oil output through filter 18.The electromagnet da of 34 energising magnetic reversal valves 43 gets electric, pressure oil from its logical hydraulic fluid port P to A; Flow through the again half-duplex channel of one-way throttle valve 42, from its logical hydraulic fluid port B to A; The electromagnet dc of 22 three-way electromagnetic valves 47 gets electric, and two logical hydraulic fluid ports are cut off; The flow through half-duplex channel of one way pressure-reducing valve 41 of pressure oil, from its logical hydraulic fluid port A to P.The logical hydraulic fluid port A of hoist cylinder 20 of flowing through then enters the cavity of resorption of hoist cylinder 20; Piston rod 2 rises, and makes flap valve 12 open.The epicoele oil return of hoist cylinder 20 its logical hydraulic fluid port B that flows through, the throttling passage of one-way throttle valve 46, from its logical hydraulic fluid port A to B; 3 the 4 energising magnetic reversal valves 43 of flowing through again to T, flow back into fuel tank 6 from its logical hydraulic fluid port B.
Flap valve is opened and kept: original position piston rod 2 is in the top, and flap valve 12 is in opening.Motor 17 gets electric startup, drives oil pump 5; Fluid in the fuel tank 6 is inhaled into oil pump 5, oil pump 5 pressure oil output through filter 18.The electromagnet da of 34 energising magnetic reversal valves 43 gets electric, pressure oil from its logical hydraulic fluid port P to A; The half-duplex channel of one-way throttle valve 42, from its logical hydraulic fluid port B to A; The electromagnet dc of 22 three-way electromagnetic valves 47 gets electric, and two logical hydraulic fluid ports are cut off; Pressure oil is from the half-duplex channel of one way pressure-reducing valve 41, from its logical hydraulic fluid port A to P; The logical hydraulic fluid port A of hoist cylinder 20 is communicated with the cavity of resorption of hoist cylinder 20; Piston rod 2 keeps motionless, makes flap valve 12 open and keeps motionless.The epicoele fluid of hoist cylinder 20 is by the throttling passage of logical hydraulic fluid port B, one-way throttle valve 46, from its logical hydraulic fluid port A to B; Again from the logical hydraulic fluid port B of 34 energising magnetic reversal valves 43 to T, be communicated with fuel tank 6.Because pressure oil has been full of the cavity of resorption of hoist cylinder 20, piston rod 2 has risen to the top, can not move, and pressure oil can only be through the overflow ducts of overflow valve 45, and P flows back to fuel tank 6 to T from its hydraulic fluid port.
Flap valve is closed: original position piston rod 2 is in the top, and flap valve 12 is in opening.Motor 17 gets electric startup, drives oil pump 5; Fluid in the fuel tank 6 is inhaled into oil pump 5, oil pump 5 pressure oil output through filter 18.The electromagnet db of 34 energising magnetic reversal valves 43 gets electric, pressure oil from the logical hydraulic fluid port P of 34 energising magnetic reversal valves 43 to B; The half-duplex channel of one-way throttle valve 46, from its logical hydraulic fluid port B to A; The electromagnet dc of 22 three-way electromagnetic valves 47 gets electric, and two logical hydraulic fluid ports are cut off; The flow through logical hydraulic fluid port B of hoist cylinder 20 of pressure oil enters the epicoele of hoist cylinder 20, and piston rod 2 descends, and makes flap valve 12 close.The flow through relief passage of logical hydraulic fluid port A, one way pressure-reducing valve 41 of hoist cylinder 20 cavity of resorption oil returns, from its logical hydraulic fluid port P to A; Flow through the again throttling passage of one-way throttle valve 42, from its logical hydraulic fluid port A to B; Then, 3 the 4 energising magnetic reversal valves 43 of flowing through to T, flow back into fuel tank 6 from its logical hydraulic fluid port A.
Dead electricity flap valve quick closing valve: original position piston rod 2 is in the top, and flap valve 12 is in opening.Each electric elements all dead electricity (must not) situation under, do not have power supply pressure oil, each electromagnetic valve can not electrical control, returns to normal position.Rely on the gravity effect of flap valve 12, piston rod 2, running block 1 etc. self, to the cavity of resorption fluid generation pressure of hoist cylinder 20; The flow through logical hydraulic fluid port A of hoist cylinder 20 of this pressure oil; The relief passage of one way pressure-reducing valve 41, from its logical hydraulic fluid port P to A; 22 three-way electromagnetic valves, two logical hydraulic fluid ports are communicated with; The flow through logical hydraulic fluid port B of hoist cylinder 20 of a part then adds to the epicoele of hoist cylinder 20; The flow through throttling passage of one-way throttle valve 46 of another part, from its logical hydraulic fluid port A to B; Again by 34 energising magnetic reversal valves 43, from its logical hydraulic fluid port B to T; Flow back into fuel tank 6.This has just formed a differential circuit, makes flap valve 12 under power failure state, relies on the uniform quick closedown of this differential circuit.
A kind of novel flap valve control system of the present utility model is electromechanical integration technology, can well, effective using PLC programming Control, realize the joint control automation with unit.As for how the PLC programming Control being applied to the utility model embodiment, and realize the joint control automation with unit, this is the prior art of present electrical control aspect, does not repeat them here.
Should be noted that: present embodiment is only unrestricted in order to the utility model to be described, although with reference to this preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, the modification of under the prerequisite that does not break away from spirit and scope of the present utility model, the utility model being carried out or be equal to replacement, such as except flap valve, also be suitable for bulkhgead gate, Segment gate and other functionally similar jacking systems.All should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. a novel flap valve control system comprises flap valve, equalizer pulley group, angle pulley group, running block, wire rope, rig thimbler, frame, hydraulic control system, electrical control system; The hinged top that is arranged on outlet passage, the upper end of described flap valve, the lower end of flap valve is provided with the equalizer pulley group; Described hydraulic control system comprises hoist cylinder, control valve group, fuel tank, strainer, oil pump and motor; Described hoist cylinder comprises cylinder body, piston rod; It is characterized in that the base of described cylinder body connects firmly and is arranged on the frame, the external part of described piston rod is provided with described running block; One end of described wire rope connects firmly on frame by rig thimbler, and the other end is pile warp running block, angle pulley group, equalizer pulley group, angle pulley group, running block successively, also connects firmly on frame by rig thimbler at last.
2. a kind of novel flap valve control system according to claim 1 is characterized in that, described control valve group comprises 34 energising magnetic reversal valves, one way pressure-reducing valve, 22 three-way electromagnetic valves, one-way throttle valve; The meta function that it is characterized in that described 34 energising magnetic reversal valves is the P type, the logical hydraulic fluid port A of described hoist cylinder is communicated with the logical hydraulic fluid port P of described one way pressure-reducing valve, one logical hydraulic fluid port of the logical hydraulic fluid port A of described one way pressure-reducing valve and the logical hydraulic fluid port A of an one-way throttle valve and described 22 three-way electromagnetic valves is interconnected, and the logical hydraulic fluid port B of this one-way throttle valve is communicated with 3 the 4 logical hydraulic fluid port A of energising magnetic reversal valve; The logical hydraulic fluid port A of the logical hydraulic fluid port B of described hoist cylinder and another logical hydraulic fluid port of described 22 three-way electromagnetic valves and another one-way throttle valve is interconnected, and the logical hydraulic fluid port B of this one-way throttle valve is communicated with 3 the 4 logical hydraulic fluid port B of energising magnetic reversal valve; Described 3 the 4 logical hydraulic fluid port P of energising magnetic reversal valve are communicated with the oil pump oil-out, and logical hydraulic fluid port T is communicated with fuel tank.
3. a kind of novel flap valve control system according to claim 2 is characterized in that, described 22 three-way electromagnetic valves are normal open state when dead electricity.
4. a kind of novel flap valve control system according to claim 1 is characterized in that described control valve group is the integrated oil path block formula.
5. a kind of novel flap valve control system according to claim 1 is characterized in that, the following holder food tray that also is provided with of described fuel tank.
6. a kind of novel flap valve control system according to claim 1 is characterized in that described angle pulley group is arranged on the frame or is arranged on the dam foundation.
7. a kind of novel flap valve control system according to claim 1 is characterized in that described electrical control system comprises the PLC programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220752193 CN203113290U (en) | 2012-12-28 | 2012-12-28 | Novel flap valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220752193 CN203113290U (en) | 2012-12-28 | 2012-12-28 | Novel flap valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113290U true CN203113290U (en) | 2013-08-07 |
Family
ID=48893653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220752193 Withdrawn - After Issue CN203113290U (en) | 2012-12-28 | 2012-12-28 | Novel flap valve control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911972A (en) * | 2012-12-28 | 2014-07-09 | 广东河海泵业机械有限公司 | Novel flap valve control system |
| CN105492694A (en) * | 2013-08-20 | 2016-04-13 | 新和机工株式会社 | Rotary refuse-removing apparatus |
-
2012
- 2012-12-28 CN CN 201220752193 patent/CN203113290U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103911972A (en) * | 2012-12-28 | 2014-07-09 | 广东河海泵业机械有限公司 | Novel flap valve control system |
| CN103911972B (en) * | 2012-12-28 | 2015-11-25 | 广东河海泵业机械有限公司 | A kind of novel flap valve control system |
| CN105492694A (en) * | 2013-08-20 | 2016-04-13 | 新和机工株式会社 | Rotary refuse-removing apparatus |
| CN105492694B (en) * | 2013-08-20 | 2017-06-20 | 新和机工株式会社 | Rotation waste removing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 21 No. 529724 Guangdong city of Heshan Province Yao town of Chaoyang Road Patentee after: Guangdong He Hai pump industry machinery Co., Ltd Address before: Shunde District 528313 of Guangdong province Foshan City Chencun Town Industrial Zone Fochen Lu Nan Gan at No. 18 Patentee before: Guangdong He Hai pump industry machinery Co., Ltd |