CN203240064U - Energy accumulator locked hydraulic-control slow-closing valve actuator - Google Patents
Energy accumulator locked hydraulic-control slow-closing valve actuator Download PDFInfo
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- CN203240064U CN203240064U CN 201320263882 CN201320263882U CN203240064U CN 203240064 U CN203240064 U CN 203240064U CN 201320263882 CN201320263882 CN 201320263882 CN 201320263882 U CN201320263882 U CN 201320263882U CN 203240064 U CN203240064 U CN 203240064U
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Abstract
The utility model relates to an energy accumulator locked hydraulic-control slow-closing valve actuator which mainly solves the problems that when being used, an existing hydraulic-control slow-closing valve actuator is prone to leakage and blocking, and a fault is difficult to handle on site. A pressure maintaining oil way channel (A) of an energy accumulator (14) is connected with a valve opening oil way channel (B) of a rodless cavity of an oil cylinder (15) through a first thread plug-in mounted two-way electromagnetic valve (73) and a second check valve (64), and meanwhile is connected with a valve closing oil way channel (C) of a rod cavity of the oil cylinder (15) through a second thread plug-in mounted two-way electromagnetic valve (72) and a third check valve (63). The pressure maintaining oil way channel (A) of the energy accumulator (14) is connected with a locking oil cylinder (22) through an electromagnetic valve (21), and both the rodless cavity and the rod cavity of the oil cylinder (15) are connected with an oil return oil way channel (D) of an oil return tank (18). The energy accumulator locked hydraulic-control slow-closing valve actuator has the advantages of being simple in structure, designed in a zero-leakage mode, and convenient to install and maintain, and when a fault happens, the leakage point is very easy to determine and the fault is easy to handle.
Description
Technical field
The utility model relates to a kind of fluid-control valve final controlling element, refers in particular to the locking-typed hydraulic control slow closing valve actuator of a kind of accumulator.
Background technique
The locking-typed hydraulic control slow closing valve actuator of accumulator is mainly used in the supporting control of part of revolving valves (butterfly valve, ball valve, butterfly check valve etc.).During work, control according to different main frames (centrifugal pump, mixed flow pump, axial-flow pump etc.) requires to open and close programming, guarantee that when satisfying open and close valve condition valve can and can be pressed the predefined time automatically, angle is opened, and realizes the light-load starting of different pump kinds; And minute fast, a slow two-stage close, even realize in emergency circumstances close valve without electricity, effectively eliminate destructive water hammer, prevent the generation of the accidents such as water pump (water turbine) flies to escape, pipeline burst.
Auxiliary power source when the locking-typed hydraulic control slow closing valve actuator of accumulation of energy type accumulator promptly closes valve take air sac type formula accumulator as system.Under the normal working, the enough pressure oil of deposit in the accumulator, when promptly closing valve, the action of master control solenoid valve, accumulator internal pressure oil discharges fast, and the actuate actuators control valve is closed by pre-set programs.
The current locking-typed hydraulic control slow closing valve actuator of accumulation of energy type accumulator master control solenoid valve mainly contains the several types such as two-way plug-in valve type, two Solenoid ball valve type, 3-position 4-way Sandwich plate valve group type.Its characteristics separately have:
Two-way plug-in valve type: can be used for the supporting of large specification final controlling element, can continue to keep unidirectional opening (pass) valve state after putting in place; But leakage point is many, the in-situ processing difficulty is larger during fault; And solenoid valve needs charged for a long time, has reduced the reliability of device.
Two Solenoid ball valve types: be used for the supporting of small dimension final controlling element, can continue to keep unidirectional opening (pass) valve state after putting in place; But spool is comparatively responsive to cleanliness of hydraulic oil, and rate of fault can obviously rise after operation a period of time.
3-position 4-way Sandwich plate valve group type: be used for, the small dimension final controlling element supporting, this sliding valve structure that leaks as non-zero of solenoid valve, can only rely on the quick condition of bidirectional hydraulic lock maintenance bidirectional locking after putting in place, the possibility of misoperation or shake is arranged after putting in place, reliability is lower.
The model utility content
In order to overcome deficiency and the defective in the background technique, the utility model provides a kind of hydraulic control slow closing valve actuator, mainly solving the existing locking-typed hydraulic control slow closing valve actuator of accumulator exists in use easy leakage, easily stops up the larger problem of in-situ processing difficulty during fault.
The technical solution of the utility model is: the locking-typed hydraulic control slow closing valve actuator of a kind of accumulator, comprise the oil cylinder transmission device, oil pump, accumulator, hydraulic station and electric control system, described oil pump output circuit passage connects accumulator pressurize asphalt channel through the first one-way valve, described accumulator pressurize asphalt channel is opened the valve oil paths by what the first screw thread inserting type two-way electromagnetic valve and the second one-way valve connected oil cylinder rodless cavity, while connects the pass valve oil paths of cylinder rod chamber through the second screw thread inserting type two-way electromagnetic valve and the 3rd one-way valve, described accumulator pressurize asphalt channel connects locked cylinder through solenoid valve, and described locked cylinder and oil cylinder rodless cavity all are connected with the oil return circuit passage of oil sump tank with rod chamber.
The valve oil paths of opening of described oil cylinder rodless cavity connects the oil return circuit passage of oil sump tank through the 3rd screw thread inserting type two-way electromagnetic valve, and the pass valve oil paths of described cylinder rod chamber connects the oil return circuit passage of oil sump tank through the 4th screw thread inserting type two-way electromagnetic valve.
Described the 3rd screw thread inserting type two-way electromagnetic valve is through the oil return circuit passage of first flow valve connection oil sump tank, and described the 4th screw thread inserting type two-way electromagnetic valve connects the oil return circuit passage of oil sump tank through the second Flow valve.
Described locked cylinder, the first screw thread inserting type two-way electromagnetic valve, the second screw thread inserting type two-way electromagnetic valve, the 3rd screw thread inserting type two-way electromagnetic valve and the 4th screw thread inserting type two-way electromagnetic valve are equipped with hand push button, and described accumulator pressurize asphalt channel is connected with hand pump through the 4th one-way valve.
The beneficial effects of the utility model: owing to take such scheme, the locking-typed hydraulic control slow closing valve actuator of accumulator of the present utility model, the conducting of switching the screw thread inserting type two-way electromagnetic valve by electric control system control with close, bidirectional hydraulic control oil cylinder transmission device band moving valve opens and closes, by the oil processing of oil return circuit back of pipeline, it is distinct to have control logic, and each electric elements is simple in structure, convenient for installation and maintenance, be easy to determine leakage point under the failure condition and be easy to processing; Control unit is zero leakage design, and the screw thread inserting type two-way electromagnetic valve is the dead electricity locking state under normal circumstances, prolongs screw thread inserting type two-way electromagnetic valve working life; It is charged to keep allowing solenoid valve continue under the failure condition, the normal operation of support equipment; Negotiability is strong, can control adaptive different bore specification valve body; The element structure size is little, saves the characteristics such as installing space.
Description of drawings
Fig. 1 is the utility model embodiment's structural representation.
Among the figure, 1-hand pump, 2-oil pump, the 14-accumulator, 15-oil cylinder, 18-oil sump tank, the 21-solenoid valve, the 22-locked cylinder, 51-the second Flow valve, 52-first flow valve, 53-the 3rd Flow valve, 61-the first one-way valve, 62-the 4th one-way valve, 63-the 3rd one-way valve, 64-the second one-way valve, 65-the 5th one-way valve, 71-the 4th screw thread inserting type two-way electromagnetic valve, 72-the second screw thread inserting type two-way electromagnetic valve, 73-the first screw thread inserting type two-way electromagnetic valve, 74-the 3rd screw thread inserting type two-way electromagnetic valve, A-pressurize asphalt channel, B-opens the valve oil paths, and C-closes the valve oil paths, D-oil return circuit passage, F-locks asphalt channel.
Embodiment
The below is described further embodiment of the present utility model for accompanying drawing:
As shown in the figure, the locking-typed hydraulic control slow closing valve actuator of this accumulator, be mainly used in and butterfly valve, ball valve, the part of revolving valves such as butterfly check valve are supporting, comprise oil cylinder 15 transmission devices, oil pump 2, accumulator 14, hydraulic station and electric control system, described oil pump 2 output circuit passages connect accumulator 14 pressurize asphalt channel A through the first one-way valve 61, described accumulator 14 pressurize asphalt channel A open valve oil paths B by what the first screw thread inserting type two-way electromagnetic valve 73 and the second one-way valve 64 connected oil cylinders 15 rodless cavities, while connects the pass valve oil paths C of oil cylinders 15 rod chambers through the second screw thread inserting type two-way electromagnetic valve 72 and the 3rd one-way valve 63, described accumulator 14 pressurize asphalt channel A connect locked cylinder 22 through solenoid valve 21, and described locked cylinder 22 and oil cylinder 15 rodless cavities all are connected with the oil return circuit passage D of oil sump tank 18 with rod chamber.
The valve oil paths B that opens as preferred described oil cylinder 15 rodless cavities connects the oil return circuit passage D of oil sump tanks 18 through the 3rd screw thread inserting type two-way electromagnetic valve 74, and the pass valve oil paths C of described oil cylinder 15 rod chambers connects the oil return circuit passage D of oil sump tanks 18 through the 4th screw thread inserting type two-way electromagnetic valve 71.
During work: plugged, final controlling element enters the automatic pressure-maintaining state, and namely accumulator (14) pressure is when being lower than low-pressure relay 111 set point, and motor 3 starts, oil pump 2 supplementary pressure oil are given accumulator 14 through the first one-way valve 61, and paramount pressure relay 112 set points are shut down; The force value terrain can be observed by pressure gauge 13.Relief valve 4 overflows protection when oil pressure reaches relief valve 4 setting value.At this moment, 15 liang of chambeies of oil cylinder are in respectively in the 3rd screw thread inserting type two-way electromagnetic valve 74, the second one-way valve 64 and the 4th screw thread inserting type two-way electromagnetic valve 71, the 3rd one-way valve 63 formed enclosed cavities, are the hydraulic lock state; Through oil return circuit passage D, solenoid valve 21 oil sump tanks, locking drops into single-acting locked cylinder 22 interior hydraulic oil under spring action.
Open valve instruction input, solenoid valve 21 gets electric commutation, and accumulator 14 internal pressure oil enter locked cylinder 22 through solenoid valve 21, locking asphalt channel F, and Compress Spring also pulls out lock; Rear depression stroke switch 175 puts in place; Then the first screw thread inserting type two-way electromagnetic valve 73, the 4th screw thread inserting type two-way electromagnetic valve 71 get electric commutation, accumulator 14 internal pressure oil through the first screw thread inserting type two-way electromagnetic valve 73, the second one-way valve 64, open valve oil paths B, the 5th one-way valve 65 enters oil cylinder 15 rodless cavities, promote main valve and open; Hydraulic oil is through closing valve oil paths C, the 4th screw thread inserting type two-way electromagnetic valve 71, the second Flow valve 51 oil sump tanks in oil cylinder 15 rod chambers; Opening valve time can be adjusted by the second Flow valve 51; Open valve rear position limit switch 174 pressings that put in place, the 4th screw thread inserting type two-way electromagnetic valve 71, the first screw thread inserting type two-way electromagnetic valve 73, solenoid valve 21 equal dead electricity, oil cylinder 15 becomes the hydraulic lock state.Through locking asphalt channel F, solenoid valve 21 oil sump tanks, locking drops into single-acting locked cylinder 22 interior hydraulic oil under spring action.
Close valve instruction input, solenoid valve 21 gets electric commutation, and accumulator 14 internal pressure oil enter locked cylinder 22 through solenoid valve 21, locking asphalt channel F, and Compress Spring also pulls out lock; Rear depression stroke switch 175 puts in place; Then the second screw thread inserting type two-way electromagnetic valve 72, the 3rd screw thread inserting type two-way electromagnetic valve 74 get electric commutation, accumulator 14 internal pressure oil enter oil cylinder 15 rod chambers through the second screw thread inserting type two-way electromagnetic valve 72, the 3rd one-way valve 63, pass valve oil paths C, promote main valve and close; In oil cylinder 15 rodless cavities hydraulic oil first through stroke control valve 16, open valve oil paths B, the 3rd screw thread inserting type two-way electromagnetic valve 74, first flow valve 52 oil sump tanks, valve rapid-closing, quick closing's time can be adjusted by first flow valve 52; Quick closing valve is treated the valve port sealing to stroke control valve 16 predetermined angle, and hydraulic oil continues through 53 oil returns of the 3rd Flow valve, the valve slowly closing, and the Slow Close time can be adjusted by the 3rd Flow valve 53; Close valve rear position limit switch 171 pressings that put in place, the 4th screw thread inserting type two-way electromagnetic valve 71, the first screw thread inserting type two-way electromagnetic valve 73, solenoid valve 21 equal dead electricity, oil cylinder 15 becomes the hydraulic lock state.Through locking asphalt channel F, solenoid valve 21 oil sump tanks, locking drops into single-acting locked cylinder 22 interior hydraulic oil under spring action.
In the opening-closing process by stopping, the first screw thread inserting type two-way electromagnetic valve 73, the 3rd screw thread inserting type two-way electromagnetic valve 74, the second screw thread inserting type two-way electromagnetic valve 72, the 4th screw thread inserting type two-way electromagnetic valve 71 equal dead electricity, oil cylinder 15 namely becomes the hydraulic lock state, remains on original position; Locking solenoid valve 21 keeps charged, and locked cylinder 22 remains on and moves back lock status.
The conducting of switching the screw thread inserting type two-way electromagnetic valve by electric control system control with close, bidirectional hydraulic control oil cylinder transmission device band moving valve opens and closes, by the oil processing of oil return circuit back of pipeline, it is distinct to have control logic, each electric elements is simple in structure, convenient for installation and maintenance, be easy to determine leakage point under the failure condition and be easy to processing; Control unit is zero leakage design, and the screw thread inserting type two-way electromagnetic valve is the dead electricity locking state under normal circumstances, prolongs screw thread inserting type two-way electromagnetic valve working life; It is charged to keep allowing solenoid valve continue under the failure condition, the normal operation of support equipment; Negotiability is strong, can control adaptive different bore specification valve body; The element structure size is little, saves the characteristics such as installing space.
Described the 3rd screw thread inserting type two-way electromagnetic valve 74 is through the oil return circuit passage D of first flow valve 52 connection oil sump tanks 18, and described the 4th screw thread inserting type two-way electromagnetic valve 71 connects the oil return circuit passage D of oil sump tanks 18 through the second Flow valve 51.Valve opening with close and can regulate by the Flow valve on the oil circuit, regulation and control accurately, characteristics easy to use.
Described locked cylinder 22, the first screw thread inserting type two-way electromagnetic valve 73, the second screw thread inserting type two-way electromagnetic valve 72, the 3rd screw thread inserting type two-way electromagnetic valve 74 and the 4th screw thread inserting type two-way electromagnetic valve 71 are equipped with hand push button, and described accumulator 14 pressurize asphalt channel A are connected with hand pump 1 through the 4th one-way valve 62.Under the electroless state, the hand push button of two passes of manual release valve solenoid valve shakes hand pump and can realize manually closing valve, during power failure, switching that still can the emergency control valve, easy to use rationally.
Embodiment should not be considered as the restriction to model utility, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (4)
1. locking-typed hydraulic control slow closing valve actuator of accumulator, comprise oil cylinder (15) transmission device, oil pump (2), accumulator (14), hydraulic station and electric control system, described oil pump (2) output circuit passage connects accumulator (14) pressurize asphalt channel (A) through the first one-way valve (61), it is characterized in that: described accumulator (14) pressurize asphalt channel (A) is opened valve oil paths (B) by what the first screw thread inserting type two-way electromagnetic valve (73) and the second one-way valve (64) connected oil cylinder (15) rodless cavity, while connects the pass valve oil paths (C) of oil cylinder (15) rod chamber through the second screw thread inserting type two-way electromagnetic valve (72) and the 3rd one-way valve (63), described accumulator (14) pressurize asphalt channel (A) connects locked cylinder (22) through solenoid valve (21), and described locked cylinder (22) and oil cylinder (15) rodless cavity all are connected with the oil return circuit passage (D) of oil sump tank (18) with rod chamber.
2. the locking-typed hydraulic control slow closing valve actuator of accumulator according to claim 1, it is characterized in that: the valve oil paths (B) of opening of described oil cylinder (15) rodless cavity connects the oil return circuit passage (D) of oil sump tank (18) through the 3rd screw thread inserting type two-way electromagnetic valve (74), and the pass valve oil paths (C) of described oil cylinder (15) rod chamber connects the oil return circuit passage (D) of oil sump tank (18) through the 4th screw thread inserting type two-way electromagnetic valve (71).
3. the locking-typed hydraulic control slow closing valve actuator of accumulator according to claim 2, it is characterized in that: described the 3rd screw thread inserting type two-way electromagnetic valve (74) is through the oil return circuit passage (D) of first flow valve (52) connection oil sump tank (18), and described the 4th screw thread inserting type two-way electromagnetic valve (71) connects the oil return circuit passage (D) of oil sump tank (18) through the second Flow valve (51).
4. the locking-typed hydraulic control slow closing valve actuator of each described accumulator according to claim 1 ~ 3, it is characterized in that: described locked cylinder (22), the first screw thread inserting type two-way electromagnetic valve (73), the second screw thread inserting type two-way electromagnetic valve (72), the 3rd screw thread inserting type two-way electromagnetic valve (74) and the 4th screw thread inserting type two-way electromagnetic valve (71) are equipped with hand push button, and described accumulator (14) pressurize asphalt channel (A) is connected with hand pump (1) through the 4th one-way valve (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320263882 CN203240064U (en) | 2013-05-15 | 2013-05-15 | Energy accumulator locked hydraulic-control slow-closing valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320263882 CN203240064U (en) | 2013-05-15 | 2013-05-15 | Energy accumulator locked hydraulic-control slow-closing valve actuator |
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| Publication Number | Publication Date |
|---|---|
| CN203240064U true CN203240064U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320263882 Expired - Fee Related CN203240064U (en) | 2013-05-15 | 2013-05-15 | Energy accumulator locked hydraulic-control slow-closing valve actuator |
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| CN (1) | CN203240064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843650A (en) * | 2018-08-26 | 2018-11-20 | 张惠丽 | A kind of hydraulic water vat quick acting mechanism helping just urine receiver automatically |
| CN109027338A (en) * | 2018-09-12 | 2018-12-18 | 苏州丹顿机电有限公司 | A kind of locking circuit of the electromagnetism check valve using adjustable cutoff direction |
-
2013
- 2013-05-15 CN CN 201320263882 patent/CN203240064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843650A (en) * | 2018-08-26 | 2018-11-20 | 张惠丽 | A kind of hydraulic water vat quick acting mechanism helping just urine receiver automatically |
| CN109027338A (en) * | 2018-09-12 | 2018-12-18 | 苏州丹顿机电有限公司 | A kind of locking circuit of the electromagnetism check valve using adjustable cutoff direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20170515 |