CN203717482U - Hydraulic-driven valve emergency driving device - Google Patents
Hydraulic-driven valve emergency driving device Download PDFInfo
- Publication number
- CN203717482U CN203717482U CN201420032667.5U CN201420032667U CN203717482U CN 203717482 U CN203717482 U CN 203717482U CN 201420032667 U CN201420032667 U CN 201420032667U CN 203717482 U CN203717482 U CN 203717482U
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- Prior art keywords
- valve
- way
- hydraulic
- hand
- directional control
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Abstract
Disclosed is a hydraulic-driven valve emergency driving device. The hydraulic-driven valve emergency driving device is connected between a hydraulic pressure station and a hydraulic cylinder, and comprises a valve block and an oil tank, the oil tank is arranged on the side surface of the valve block, and two two-position three-way pilot operated directional control valves, a three-position four-way hand-operated direction valve and a manual hydraulic pump are integrated in the valve block; the two-position three-way pilot operated directional control valves comprise A oil ports, B oil ports, C oil ports and P remote control ports, and the three-position four-way hand-operated direction valve comprises an A port, a B port, a C port and a D port; the A oil ports of the two two-position three-way pilot operated directional control valves are respectively connected with the hydraulic pressure station, the B oil ports of the two two-position three-way pilot operated directional control valves are respectively connected with the C port and the D port of the three-position four-way hand-operated direction valve, the C oil ports of the two two-position three-way pilot operated directional control valves are respectively connected with the hydraulic cylinder, and the P remote control ports of the two two-position three-way pilot operated directional control valves are respectively connected with the C port of the three-position four-way hand-operated direction valve; the A port and the B port of the three-position four-way hand-operated direction valve are respectively connected with the oil tank through the manual hydraulic pump. According to the hydraulic-driven valve emergency driving device, hydraulic components are integrated in the valve block, the structure is compact and light, and mounting is convenient.
Description
Technical field
The utility model relates to hydraulic machinery apparatus field, is specifically a kind of valve emergency driving device that surges.
Background technique
The valve that surges is widely used on the conveyance conduit port of the industry such as boats and ships, oil, chemical industry, for pilot line folding.Under unexpected powering-off state, for protective system equipment, require to close immediately or open respective line, and so now, hydraulic power unit loss of power, cannot drive the valve that surges.The mode of the valve emergency driving that surges of prior art has two kinds:
Be to adopt the direct changeover valve valve rod of a relay spanner end, realize valve rotation.But this mode requires operator to have the enough large arm of force, need larger operating space, and be only applicable to little path valve or the less valve of this class unlatching moment of torsion of butterfly valve.
Another kind is to adopt mechanically operated mode, and this mode comprises a pair of screw pair and a pair of gear magnetic stripe pair, and it makes nut straight line motion by rotating threaded shaft, then promotes magnetic stripe, makes the rotation of magnetic lineation moving gear, thereby realizes the rotation of valve.But, because this mode has adopted a large amount of mechanical transmission mechanisms, cause that device volume is large, quality is heavy, cost is high; , before carrying out hand behaviour, two chambeies in oil hydraulic cylinder need to be connected,, easily there is misoperation in complicated operation meanwhile.
Model utility content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of valve emergency driving device that surges.In the situation that losing hydraulic station driving, utilize compact structure, light and handy, hand behaviour device easy for installation, effectively drives the valve that surges.
For reaching above object, the technological scheme that the utility model is taked is: a kind of valve emergency driving device that surges, be connected between hydraulic station and oil hydraulic cylinder, comprise valve piece and fuel tank, described fuel tank is installed on the side of valve piece, is integrated with two two-position three way pilot operated directional control valves, a 3-position 4-way hand-operated direction valve and a hydraulic hand-pump in described valve piece;
Described two-position three way pilot operated directional control valve comprises A hydraulic fluid port, B hydraulic fluid port, C hydraulic fluid port and P remote control mouth, and described 3-position 4-way hand-operated direction valve comprises A mouth, B mouth, C mouth and D mouth;
The A hydraulic fluid port of described two two-position three way pilot operated directional control valves is connected with hydraulic station respectively, and B hydraulic fluid port is connected with D mouth with the C mouth of 3-position 4-way hand-operated direction valve respectively, and C hydraulic fluid port is connected with oil hydraulic cylinder respectively, and P remote control mouth is connected with the C mouth of 3-position 4-way hand-operated direction valve respectively; The A mouth of described 3-position 4-way hand-operated direction valve is connected with fuel tank respectively by hydraulic hand-pump with B mouth.
On the basis of technique scheme, described two two-position three way pilot operated directional control valves are made as respectively the first two-position three way pilot operated directional control valve and the second two-position three way pilot operated directional control valve; Between the C hydraulic fluid port of described the first two-position three way pilot operated directional control valve and oil hydraulic cylinder, be provided with the first equilibrium valve, between the C hydraulic fluid port of described the second two-position three way pilot operated directional control valve and oil hydraulic cylinder, be provided with the second equilibrium valve, the remote control mouth of described the first equilibrium valve is connected with the C hydraulic fluid port of the second two-position three way pilot operated directional control valve, and the remote control mouth of described the second equilibrium valve is connected with the C hydraulic fluid port of the first two-position three way pilot operated directional control valve.
On the basis of technique scheme, the oil outlet place of described hydraulic hand-pump is provided with relief valve.
On the basis of technique scheme, described two-position three way pilot operated directional control valve, 3-position 4-way hand-operated direction valve, hydraulic hand-pump, equilibrium valve, relief valve all adopt screw thread inserting type structure.
On the basis of technique scheme, described hydraulic hand-pump comprises a hand piston pump and two one-way valves, and described one-way valve is separately positioned on the two ends of hand piston pump.
On the basis of technique scheme, between the A hydraulic fluid port of described two-position three way pilot operated directional control valve and hydraulic station, be provided with General hydraulic joint.
On the basis of technique scheme, described 3-position 4-way hand-operated direction valve is Y type 3-position 4-way hand-operated direction valve.
On the basis of technique scheme, in described fuel tank, be provided with air-strainer.
The beneficial effects of the utility model are:
1, the utility model is integrated into hydraulic element in a valve piece, and compact structure, light and handy, easy for installation, utilizes General hydraulic joint can adapt to the valve of various bores.
2, described hydraulic hand-pump is comprised of a hand piston pump and two one-way valves, delivery pressure is up to tens MPas, therefore, the utility model can be realized high pulling torque output, can adapt to various types of valves, guarantee can to pipeline fluid, control reliably under emergency situations, improve the Security of system.
3, two-position three way pilot operated directional control valve makes hydraulic station driving drive and can automatically switch with hydraulic hand-pump, makes this device convenient and simple for operation.
4, adopting Y type 3-position 4-way hand-operated direction valve, is for when hand-operated direction valve is got to meta, the P remote control mouth of two-position three way pilot operated directional control valve and fuel tank can be connected, and anti-locking system is suppressed oil and caused the commutation of two-position three way pilot operated directional control valve mistake, improves security of system.
The effect of 5, equilibrium valve being installed is the unsteady motion of out of control, the stall that prevents that oil hydraulic cylinder from causing due to External Force Acting, improves the stability of hydraulic valve.
6, the effect of installation relief valve is automatic overflow when system pressure is too high, and system is shielded.
7, air-strainer is installed and can be prevented that airborne dust from entering fuel tank contaminated liquid force feed.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is schematic diagram of the present utility model;
Reference character:
1-oil hydraulic cylinder; 2-equilibrium valve; 21-the first equilibrium valve; 22-the second equilibrium valve; 3-two-position three way pilot operated directional control valve; 31-the first two-position three way pilot operated directional control valve; 32-the second two-position three way pilot operated directional control valve; 4-3-position 4-way hand-operated direction valve; 5-hydraulic hand-pump; 6-relief valve; 7-fuel tank; 8-valve piece; 9-General hydraulic joint; 10-one-way valve; 11-hydraulic station.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of valve emergency driving device that surges, be connected between hydraulic station 11 and oil hydraulic cylinder 1, comprise valve piece 8 and fuel tank 7, described fuel tank 7 is arranged on the side of valve piece 8 by screw, be integrated with two two-position three way pilot operated directional control valves 3,3-position 4-way hand-operated direction valve 4 and a hydraulic hand-pump 5 in described valve piece 8; Described two-position three way pilot operated directional control valve 3 comprises A hydraulic fluid port, B hydraulic fluid port, C hydraulic fluid port and P remote control mouth, and described 3-position 4-way hand-operated direction valve 4 comprises A mouth, B mouth, C mouth and D mouth;
The A hydraulic fluid port of described two two-position three way pilot operated directional control valves 3 is connected with hydraulic station 11 respectively, B hydraulic fluid port is connected with D mouth with the C mouth of 3-position 4-way hand-operated direction valve 4 respectively, C hydraulic fluid port is connected with oil hydraulic cylinder 1 respectively, and P remote control mouth is connected with the C mouth of 3-position 4-way hand-operated direction valve 4 respectively; The A mouth of described 3-position 4-way hand-operated direction valve 4 is connected with fuel tank 7 respectively by hydraulic hand-pump 5 with B mouth.In normal state, P remote control mouth is communicated with fuel tank 7 by 3-position 4-way hand-operated direction valve 4, and P remote control mouth pressure is atmospheric pressure, and two-position three way pilot operated directional control valve 3, in initial bit, makes hydraulic station 11 oil circuits be communicated with oil hydraulic cylinder 1; Under emergency condition, when 3-position 4-way hand-operated direction valve 4 is in left position or during right position, press hydraulic hand-pump 5, make P remote control mouth pressure be greater than setting value, two-position three way pilot operated directional control valve 3 is switched to trigger bit, oil hydraulic cylinder 1 and hydraulic station 11 oil circuits are disconnected, and be connected with hydraulic hand-pump 5 oil circuits.
Described two two-position three way pilot operated directional control valves 3 are made as respectively the first two-position three way pilot operated directional control valve 31 and the second two-position three way pilot operated directional control valve 32; Between the C hydraulic fluid port of described the first two-position three way pilot operated directional control valve 31 and oil hydraulic cylinder 1, be provided with the first equilibrium valve 21, between the C hydraulic fluid port of described the second two-position three way pilot operated directional control valve 32 and oil hydraulic cylinder 1, be provided with the second equilibrium valve 22, the remote control mouth of described the first equilibrium valve 21 is connected with the C hydraulic fluid port of the second two-position three way pilot operated directional control valve 32, and the remote control mouth of described the second equilibrium valve 22 is connected with the C hydraulic fluid port of the first two-position three way pilot operated directional control valve 31.
Described hydraulic hand-pump 5 comprises a hand piston pump and two one-way valves 10, and described one-way valve 10 is separately positioned on the side a and b of hand piston pump, guarantees that like this hydraulic hand-pump 5, by the oil suction of A end, brings out oil by B.The oil outlet B end of described hydraulic hand-pump 5 is provided with relief valve 6, and automatic overflow when system pressure is too high, shields to system.
Between the A hydraulic fluid port of described two-position three way pilot operated directional control valve 3 and hydraulic station, be provided with General hydraulic joint 9.
Described 3-position 4-way hand-operated direction valve 4 is Y type 3-position 4-way hand-operated direction valve 4, and the meta of 3-position 4-way hand-operated direction valve 4 is Y type, and it is mainly responsible for the commutation of oil circuit, when 3-position 4-way hand-operated direction valve 4 is during in left position, driving oil hydraulic cylinder 1 piston is moved to right; When 3-position 4-way hand-operated direction valve 4 is in right when position, driving oil hydraulic cylinder 1 piston is moved to left; When 3-position 4-way hand-operated direction valve 4 is during in meta, the C mouth of 3-position 4-way hand-operated direction valve 4 and D mouth are connected fuel tank 7, and system is carried out to release.
In described fuel tank 7, be provided with air-strainer, prevent that airborne dust from entering fuel tank 7 contaminated liquid force feeds.
The pilot operated directional control valve of two-position three way described in the present embodiment 3,3-position 4-way hand-operated direction valve 4, hydraulic hand-pump 5, equilibrium valve 2, relief valve 6 all adopt screw thread inserting type structure.
Under normal condition, oil hydraulic cylinder 1 is driven by hydraulic station 11.The hydraulic oil of hydraulic station 11 enters oil hydraulic cylinder 1 one chambeies through two-position three way pilot operated directional control valve 3, equilibrium valve 2, drives oil hydraulic cylinder 1 acting, and the hydraulic oil in oil hydraulic cylinder 1 another chamber passes through equilibrium valve 2, two-position three way pilot operated directional control valve 3 hydraulic return stations 11 successively.
Under emergency condition, hydraulic station 11 runs out of steam, 3-position 4-way hand-operated direction valve 4 is got to left position or right position by meta, then pressing hydraulic hand-pump 5 pumps the oil pressurization of 7 li of fuel tanks, after 3-position 4-way hand-operated direction valve 4, two-position three way pilot operated directional control valve 3, equilibrium valve 2, enter successively oil hydraulic cylinder 1 one chambeies, drive oil hydraulic cylinder 1 acting, the hydraulic oil in oil hydraulic cylinder 1 another chamber returns to fuel tank 7 by equilibrium valve 2, two-position three way pilot operated directional control valve 3,3-position 4-way hand-operated direction valve 4 successively.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a utility model or akin technological scheme, all within its protection domain.
Claims (8)
1. the valve emergency driving device that surges, be connected between hydraulic station and oil hydraulic cylinder, comprise valve piece and fuel tank, described fuel tank is installed on the side of valve piece, it is characterized in that: in described valve piece, be integrated with two two-position three way pilot operated directional control valves, a 3-position 4-way hand-operated direction valve and a hydraulic hand-pump;
Described two-position three way pilot operated directional control valve comprises A hydraulic fluid port, B hydraulic fluid port, C hydraulic fluid port and P remote control mouth, and described 3-position 4-way hand-operated direction valve comprises A mouth, B mouth, C mouth and D mouth;
The A hydraulic fluid port of described two two-position three way pilot operated directional control valves is connected with hydraulic station respectively, and B hydraulic fluid port is connected with D mouth with the C mouth of 3-position 4-way hand-operated direction valve respectively, and C hydraulic fluid port is connected with oil hydraulic cylinder respectively, and P remote control mouth is connected with the C mouth of 3-position 4-way hand-operated direction valve respectively;
The A mouth of described 3-position 4-way hand-operated direction valve is connected with fuel tank respectively by hydraulic hand-pump with B mouth.
2. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: described two two-position three way pilot operated directional control valves are made as respectively the first two-position three way pilot operated directional control valve and the second two-position three way pilot operated directional control valve; Between the C hydraulic fluid port of described the first two-position three way pilot operated directional control valve and oil hydraulic cylinder, be provided with the first equilibrium valve, between the C hydraulic fluid port of described the second two-position three way pilot operated directional control valve and oil hydraulic cylinder, be provided with the second equilibrium valve, the remote control mouth of described the first equilibrium valve is connected with the C hydraulic fluid port of the second two-position three way pilot operated directional control valve, and the remote control mouth of described the second equilibrium valve is connected with the C hydraulic fluid port of the first two-position three way pilot operated directional control valve.
3. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: the oil outlet place of described hydraulic hand-pump is provided with relief valve.
4. the valve emergency driving device that surges as described in claim 1 or 2 or 3, is characterized in that: described two-position three way pilot operated directional control valve, 3-position 4-way hand-operated direction valve, hydraulic hand-pump, equilibrium valve, relief valve all adopt screw thread inserting type structure.
5. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: described hydraulic hand-pump comprises a hand piston pump and two one-way valves, and described one-way valve is separately positioned on the two ends of hand piston pump.
6. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: between the A hydraulic fluid port of described two-position three way pilot operated directional control valve and hydraulic station, be provided with General hydraulic joint.
7. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: described 3-position 4-way hand-operated direction valve is Y type 3-position 4-way hand-operated direction valve.
8. the valve emergency driving device that surges as claimed in claim 1, is characterized in that: in described fuel tank, be provided with air-strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032667.5U CN203717482U (en) | 2014-01-20 | 2014-01-20 | Hydraulic-driven valve emergency driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032667.5U CN203717482U (en) | 2014-01-20 | 2014-01-20 | Hydraulic-driven valve emergency driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717482U true CN203717482U (en) | 2014-07-16 |
Family
ID=51156641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032667.5U Expired - Fee Related CN203717482U (en) | 2014-01-20 | 2014-01-20 | Hydraulic-driven valve emergency driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003715A (en) * | 2015-08-13 | 2015-10-28 | 湖南山源安自控系统有限公司 | Brake valve electro-hydraulic drive system with emergency shut valve function and brake valve |
| CN105156393A (en) * | 2015-09-30 | 2015-12-16 | 中国船舶重工集团公司第七一九研究所 | Low-noise integrated pneumatic valve |
| CN108691826A (en) * | 2017-04-07 | 2018-10-23 | 中船绿洲镇江船舶辅机有限公司 | A kind of integrated form accumulator flange |
-
2014
- 2014-01-20 CN CN201420032667.5U patent/CN203717482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003715A (en) * | 2015-08-13 | 2015-10-28 | 湖南山源安自控系统有限公司 | Brake valve electro-hydraulic drive system with emergency shut valve function and brake valve |
| CN105003715B (en) * | 2015-08-13 | 2017-07-11 | 湖南山源安自控系统有限公司 | It is a kind of that there is the emergent electro-hydraulic drive system of gate valve and gate valve for closing valve function |
| CN105156393A (en) * | 2015-09-30 | 2015-12-16 | 中国船舶重工集团公司第七一九研究所 | Low-noise integrated pneumatic valve |
| CN108691826A (en) * | 2017-04-07 | 2018-10-23 | 中船绿洲镇江船舶辅机有限公司 | A kind of integrated form accumulator flange |
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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 |
Granted publication date: 20140716 Termination date: 20220120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |