CN202812409U - Multi-rotation hydraulic valve - Google Patents
Multi-rotation hydraulic valve Download PDFInfo
- Publication number
- CN202812409U CN202812409U CN 201220228924 CN201220228924U CN202812409U CN 202812409 U CN202812409 U CN 202812409U CN 201220228924 CN201220228924 CN 201220228924 CN 201220228924 U CN201220228924 U CN 201220228924U CN 202812409 U CN202812409 U CN 202812409U
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- oil
- valve
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- bearing
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Abstract
A multi-rotation hydraulic valve comprises a hydraulic motor, a valve and a connection bracket. The hydraulic motor comprises a manual capstan, a bearing end cover, a bearing pedestal, a rotor, a sealing end cover, a stator, an oil distribution sleeve and a lower end cover, wherein a lifting rod of the valve can pass through the motor, and the motor rotates to drive an output sleeve and drives the lifting rod to open and close the valve. The hydraulic motor is used to safely and reliably drive and control the multi-rotation valve, a hydraulic system can automatically detect the load change of the valve during the operation, the output torque and the rotation speed of the hydraulic motor are automatically regulated, the opening and closing flexible control, automation and intelligentization of the valve are implemented, and the impact and the vibration to the valve are reduced. Remotely arranging the hydraulic system to control the valve remotely can avoid the risks, the application field can be expanded to highly-polluted, combustible and explosive petroleum and natural gas conveying occasions. The multi-rotation hydraulic valve further has a mechanical self-locking function and an emergency manual operation function.
Description
Technical field
The utility model relates to a kind of universal machine valve, particularly relates to a kind of many gyration type hydraulic operated valves.
Background technique
Critical component during valve is carried as liquid, gas medium pipeline is widely used in the numerous areas such as oil, rock gas, oil gas harbour, chemical industry, boats and ships, power station, metallurgy, municipal administration.In recent years, along with the maximization of construction project, heavy caliber, large specification valve demand increase day by day, and manually operation is very difficult, and the requirement that has been out of step with the times.In order to satisfy the needs of automatic system, multiple valve driving mode has appearred, such as the electric valve that motor acceleration and deceleration machine drives, use the pneumatic valve of air cylinder driven, with the valve etc. that surges of hydraulic oil cylinder driving.Find that in application practice above-mentioned driving mode still exists some shortcoming and defect.Electric valve exists the moment detent torque little, cause valve opening unreliable, because the rotary inertia in speed reducer when running is large, valve is impacted also large, so electric valve is owing to adopt motor driving to be not suitable in inflammable and explosive applications such as oil, rock gases.Pneumatic valve is because equipment volume is large, and bleed pressure is low, and is little to the driving force of valve, and the compressibility of gas can cause the valve fluctuation of service.The valve that surges of having used at present refers to the valve with hydraulic oil cylinder driving, because the oil cylinder piston floatability causes the valve plate self-locking in the valve difficult, is not easy to realize emergent manually-operable.Surging on the other hand, the shape size is super high or ultra wide outdoors because the oil cylinder stroke reason can cause hydraulic operated valve for valve.
The model utility content
The purpose of this utility model, provide a kind of many gyration type hydraulic operated valves, the utility model can be realized safe and reliable the opening and closing of valve, to valve opening or close overall process and can realize Flexible Control, reduce the shock and vibration that in the drive unit running valve produced, and can realize effective self-locking of spool, valve plate.
The technological scheme that adopts is:
A kind of many gyration type hydraulic operated valves comprise oil hydraulic motor, valve and connection bracket.Flange and the connection bracket of valve upper end are bolted connection, and the upper flange of connection bracket and the lower end cap of oil hydraulic motor are bolted connection; The valve rod upper end of valve is passed the oil hydraulic motor center hole and is connected with the output thread die cutting.
Oil hydraulic motor comprises manual capstan, bearing (ball) cover, bearing support, output cover, rotor, end cover, stator, joins oil jacket and lower end cap;
Bearing (ball) cover is fixedly connected with bearing support by a plurality of screws, and bearing support and bearing (ball) cover all have center hole; Step is arranged at the center hole bottom of bearing (ball) cover, is equiped with the first thrust-bearing, and the second thrust-bearing is installed in the annular groove on the bearing support upper-end surface; Output cover is installed in the inner chamber that is surrounded by bearing (ball) cover and bearing support, is set with the inner ring of the first thrust-bearing and the second thrust-bearing, and is fixed on output and puts; The center hole that inserts manual capstan behind the center hole of bearing (ball) cover is passed in the upper end of output cover, and is connected with the center hole wall key of manual capstan, and output set upper side anchor ring is fixedly connected with manual capstan by a plurality of screws.
The end cover upper end is installed in the endoporus of bearing support, the lower end periphery of end cover and bearing support lower end surface overlap joint; Stator is ring, and the inner wall surface of stator is curvilinear plane, and the curved section identical by a plurality of shapes consists of, form scraggly inner curve face, be the inner curve guide rail of motor, join oil jacket and be installed in the rotor internal cavity, join the lower end periphery of oil jacket and the lower end surface overlap joint of stator; Bearing support, end cover and join oil jacket and connect into an overall structure by a plurality of screws; Rotor is hollow-core construction, be installed in end cover and stator inboard and join the oil jacket outside, insert in the endoporus of rotor upper end output cover lower end, and be connected with this inner hole wall key, be evenly equipped with a plurality of piston holes on rotor the 3rd step, be equiped with piston and steel ball in each piston hole, steel ball is supported on the inner curve face of stator, can roll at the inner curve face of stator; Epitrochanterian each piston hole bottom offers oil distribution port; Join and vertically offer the first oil distributing hole road and the second oil distributing hole road in the oil jacket; Offer distribution oil ring groove and lower distribution oil ring groove joining the oil jacket external wall of upper portion, between upper distribution oil ring groove and lower distribution oil ring groove, be evenly equipped with a plurality of upper oil distribution ports and a plurality of lower oil distribution port, lay a plurality of upper oil distribution ports and a plurality of lower oil distribution ports space; The first oil distributing hole road is communicated with upper distribution oil ring groove, upper distribution oil ring groove is communicated with a plurality of upper oil distribution ports, the second oil distributing hole road is communicated with lower distribution oil ring groove, lower distribution oil ring groove is communicated with a plurality of lower oil distribution ports, when rotor rotates, the oil distribution port of epitrochanterian each piston hole bottom can communicate with upper oil distribution port and lower oil distribution port at intervals, finish each piston movement required join oily program.Lower end cap is fixedly connected with joining oil jacket by a plurality of screws, offers the 3rd oil distributing hole road and the 4th oil distributing hole road and draining hole on the lower end cap, and the 3rd oil distributing hole road is communicated with the first oil distributing hole road, and the 4th oil distributing hole road is communicated with the second oil distributing hole road.Join oil jacket and between stator and rotor, be provided with the draining hole.This draining hole is communicated with drain tap on the lower end cap.
Stop portion at end cover lower end surface and stator overlap joint is equiped with the first O-ring seals, is equiped with the second O-ring seals at the stop portion of joining oil jacket and stator overlap joint; Between the endoporus step of end cover and rotor outer surface first step, be equiped with the first seal ring, at the rotor inner surface second step and join between the first step of oil jacket top and be equiped with the second seal ring; On the upper-end surface of lower end cap, the periphery that is positioned at the 3rd oil distributing hole road and the 4th oil distributing hole road has respectively the first annular groove and the second annular groove, at in-built the 3rd O-ring seals that is provided with of the first annular groove, in the second annular groove, be equiped with the 4th O-ring seals, and joining on the lower end surface of oil jacket by screw in compression.
External wall of upper portion at bearing (ball) cover is equiped with displacement transducer.
In the annular recess of joining oil jacket top, be equiped with support ring.
In the groove that each rear end, piston cylndrical surface is provided with, be equiped with O-ring seals.
Valve can be selected known various General valves, and flange and the connection bracket of valve upper end are bolted connection, and the upper flange of connection bracket and the lower end cap of oil hydraulic motor are bolted connection.The first hydraulic fluid port A, the second hydraulic fluid port B of the outer round surface of lower end cap are screwed into respectively three-way union, one tunnel access hydraulic control system.The break-make between the first hydraulic fluid port A and the second hydraulic fluid port B is realized with high-pressure ball valve of serial connection between the first hydraulic fluid port A, the second hydraulic fluid port B in another road.The lifting bar upper end of valve is passed the oil hydraulic motor center hole and is connected with output cover inner thread.
Advantage of the present utility model:
1, adopts low speed high torque hydraulic motor to drive valve, improved the reliability of valve opening process.
2, pass through the automatic regulator solution pressure motor of hydraulic control system output torque, the intelligent control mode of realizing ideal according to the variation of valve load in opening-closing process.Thereby reduce the shock and vibration that in the drive unit running valve produced, improved the Security of handling valve, reliability.
3, many gyration type hydraulic operated valves can use and the energy reliable operation occasion and the working environment that is not suitable with electric valve of extensive use electric valve are equal the strong adaptability of environment.The hydraulic system that all can adopt the strange land to arrange such as inflammable, explosive occasion, humidity and high pollution, high dust occasion makes it return the wind sheltering danger, and can realize remote auto control by reliably working.
4, many gyration type hydraulic operated valves have overcome the defective by the valve existence of hydraulic oil cylinder driving, can realize the effective self-locking of spool and possess emergent manual operation function.
Description of drawings
Fig. 1 is a kind of example structure schematic representation of the present utility model.
Fig. 2 is the hydraulic motor structure schematic representation.
Fig. 3 is the A-A view of Fig. 2.
Fig. 4 is the ono-rising-stem valve structural representation.
Fig. 5 is the hydraulic control system schematic representation.
Embodiment
Embodiment one
A kind of many gyration type hydraulic operated valves comprise oil hydraulic motor 2, valve 34 and connection bracket 35.
Oil hydraulic motor comprises manual capstan 1, bearing (ball) cover 3, bearing support 6, output cover 21, rotor 18, end cover 7, stator 10, joins oil jacket 14 and lower end cap 12;
Bearing (ball) cover 3 is fixedly connected with bearing support 6 by a plurality of screws, and bearing support 6 and bearing (ball) cover 3 all have center hole; In the center hole of bearing (ball) cover 3 step is arranged, be equiped with the first thrust-bearing 22, the second thrust-bearing 5 is installed in the annular groove on bearing support 6 upper-end surfaces; Output cover 21 is installed in the inner chamber that is surrounded by bearing (ball) cover 3 and bearing support 6, is set with the inner ring of the first thrust-bearing 22 and the second thrust-bearing 5, and is fixed on the output cover 21; The center hole that inserts manual capstan 1 behind the center hole of bearing (ball) cover 3 is passed in the upper end of output cover 21, and is connected with the center hole wall key of manual capstan 1, and output cover 21 upper end anchor rings are fixedly connected with manual capstan 1 by a plurality of screws.
The top of end cover 7 is installed in the endoporus of bearing support 6, the lower end periphery of end cover 7 and bearing support 6 lower end surfaces overlap joint, the lower end surface overlap joint of the upper-end surface of stator 10 and end cover 7; Stator 10 is ring, the inner wall surface of stator 10 is curvilinear plane, the curved section identical by a plurality of shapes consists of, form scraggly inner curve face, it is the inner curve guide rail of motor, join oil jacket 14 and be installed in rotor 18 inner chambers, rotor 18 is installed in the inner chamber of stator 10, joins the lower end periphery of oil jacket 14 and the lower end surface overlap joint of stator 10; Bearing support 6, end cover 7, stator 10 and join oil jacket 14 and connect into an overall structure by a plurality of screws; Insert in the rotor 18 upper end endoporus output cover 21 lower ends, and be connected with this inner hole wall key, be evenly equipped with a plurality of piston holes 24 on rotor 18 the 3rd step, be equiped with piston 8 and steel ball 9 in each piston hole 24, steel ball 9 is supported on the curvilinear plane of stator 10, can roll at the inner curve face of stator 10; Each piston hole bottom on rotor 18 the 3rd step offers oil distribution port 11; Join oil jacket 14 interior the first oil distributing hole road 25 and the second oil distributing hole roads 26 of vertically offering, join oil jacket 14 and offer the first draining duct 27 at stator 10 and 18 of rotors; Offer distribution oil ring groove 4 and lower distribution oil ring groove 13 joining oil jacket 14 external wall of upper portion, between upper distribution oil ring groove 4 and lower distribution oil ring groove 13, be evenly equipped with a plurality of upper oil distribution ports 20 and a plurality of lower oil distribution port 30, a plurality of upper oil distribution ports 20 are the interval with a plurality of lower oil distribution ports 30 and lay; The first oil distributing hole road 25 is communicated with upper distribution oil ring groove 4, and upper distribution oil ring groove 4 is communicated with a plurality of upper oil distribution ports 20, and the second oil distributing hole road 26 is communicated with lower distribution oil ring groove 13, and lower distribution oil ring groove 13 is communicated with a plurality of lower oil distribution ports 30.
Stop portion at end cover 7 lower end surfaces and stator overlap joint is equiped with the first O-ring seals 31, is equiped with the second O-ring seals 16 at the stop portion of joining oil jacket 14 and stator overlap joint; Between the endoporus step of end cover 7 and rotor 18 outer surface first steps, be equiped with the first seal ring 19, at rotor 18 internal surface second steps and join between the oil jacket 14 top first steps and be equiped with the second seal ring 17; On the upper-end surface of lower end cap 12, the periphery that is positioned at the 3rd oil distributing hole road 28 and the 4th oil distributing hole road 29 has respectively the first annular groove and the second annular groove, at in-built the 3rd O-ring seals 32 that is provided with of the first annular groove, in the second annular groove, be equiped with the 4th O-ring seals 33, and by screw in compression on the lower end surface of joining oil jacket 14.
External wall of upper portion at bearing (ball) cover 3 is equiped with displacement transducer 23.
In the annular recess of joining oil jacket 14 tops, be equiped with support ring 15.
Be provided with groove in each rear end, piston 8 cylndrical surface, be equiped with O-ring seals 39 in each groove.
Valve 34 can be selected known various General valves, and the flange of valve 34 upper ends and the lower flange of connection bracket 35 are bolted connection, and the upper flange of connection bracket 35 and the lower end cap of oil hydraulic motor 12 are bolted connection.The first hydraulic fluid port A, the second hydraulic fluid port B of the outer round surface of lower end cap 12 are screwed into respectively three-way union, and one the tunnel accesses respectively hydraulic control system.The break-make between the first hydraulic fluid port A, the second hydraulic fluid port B is realized with high-pressure ball valve of serial connection between the first hydraulic fluid port A, the second hydraulic fluid port B in another road.The center hole that oil hydraulic motor 2 is passed in lifting bar 36 upper ends in the valve 34 is connected with output cover 21 inner threads.
Embodiment two
Embodiment two and embodiment one are basic identical, and its difference is that described valve 34 is conceal rod type valve structure (see figure 4), and lifting bar 38 is not done upper and lower motion.Lifting bar 36 among the embodiment one is connected and composed by solid upper valve rod and lower valve rod, output is overlapped 21 endoporus keys or tooth is connected in upper valve rod upper end and the open-core type piston motor, the lower valve rod rear surface have screw thread, be fixed on the ono-rising-stem valve valve plate on nut to be threaded.
Motor rotarily drives lower valve rod and rotates, and nut drives the valve plate lifting along the valve rod sense of rotation.
Claims (5)
1. gyration type hydraulic operated valve more than a kind, comprise oil hydraulic motor (2), valve (34) and connection bracket (35), flange and the connection bracket (35) of valve (34) upper end are bolted connection, and the lower end cap (12) of the upper flange of connection bracket (35) and oil hydraulic motor is bolted connection; Valve rod (36) upper end of valve (34) is passed the oil hydraulic motor center hole and is threaded with output cover (21); It is characterized in that:
Oil hydraulic motor comprises manual capstan (1), bearing (ball) cover (3), bearing support (6), output cover (21), rotor (18), end cover (7), stator (10), joins oil jacket (14) and lower end cap (12);
Bearing (ball) cover (3) is fixedly connected with bearing support (6) by a plurality of screws, and bearing support (6) and bearing (ball) cover (3) all have center hole; In the center hole of bearing (ball) cover (3) step is arranged, be equiped with the first thrust-bearing (22), in the annular groove on bearing support (6) upper-end surface the second thrust-bearing (5) is installed; Output cover (21) is installed in the inner chamber that is surrounded by bearing (ball) cover (3) and bearing support (6), is set with the inner ring of the first thrust-bearing (22) and the second thrust-bearing (5), and is fixed on to export and overlaps on (21); The center hole that inserts manual capstan (1) behind the center hole of bearing (ball) cover (3) is passed in the upper end of output cover (21), and be connected with the center hole wall key of manual capstan (1), output cover (21) upper end anchor ring is fixedly connected with manual capstan (1) by a plurality of screws;
The top of end cover (7) is installed in the endoporus of bearing support (6), the lower end periphery of end cover (7) and bearing support (6) lower end surface overlap joint, the lower end surface overlap joint of the upper-end surface of stator (10) and sealing cover (7); Stator (10) is ring, the inner wall surface of stator (10) is curvilinear plane, the curved section identical by a plurality of shapes consists of, scraggly inner curve face is shaped, it is the inner curve guide rail of motor, join oil jacket (14) and be installed in rotor (18) inner chamber, rotor (18) is installed in the inner chamber of stator (10), joins the lower end periphery of oil jacket (14) and the lower end surface overlap joint of stator (10); Bearing support (6), end cover (7), stator (10) and join oil jacket (14) and connect into an overall structure by a plurality of screws; Insert in the endoporus of rotor (18) upper end output cover (21) lower end, and be connected with this inner hole wall key, be evenly equipped with a plurality of piston holes (24) on rotor (18) the 3rd step, be equiped with piston (8) and steel ball (9) in each piston hole (24), steel ball (9) is supported on the inner curve face of stator (10), can roll at the inner curve face of stator (10); Each piston hole bottom on rotor (18) the 3rd step offers oil distribution port (11); Join and vertically offer the first oil distributing hole road (25) and the second oil distributing hole road (26) in the oil jacket (14), join oil jacket and between stator (10) and rotor (18), offer the first draining duct (27); Offer upper distribution oil ring groove (4) and lower distribution oil ring groove (13) joining oil jacket (14) external wall of upper portion, upper distribution oil ring groove (4) and under join between the annular groove (13), be evenly equipped with a plurality of upper oil distribution ports (20) and a plurality of lower oil distribution port (30), a plurality of upper oil distribution ports (20) are laid with a plurality of lower oil distribution ports (30) space; The first oil distributing hole road (25) is communicated with upper distribution oil ring groove (4), upper distribution oil ring groove (4) is communicated with a plurality of upper oil distribution ports (20), the second oil distributing hole road (26) is communicated with lower distribution oil ring groove (13), and lower distribution oil ring groove (13) is communicated with a plurality of lower oil distribution ports (30);
Lower end cap (12) by a plurality of bolts with join oil jacket (14) and be fixedly connected with, offer the 3rd oil distributing hole road (28), the 4th oil distributing hole road (29) and the second draining duct (37) in the lower end cap (12), the 3rd oil distributing hole road (28) is connected with the first oil distributing hole road (25), the 4th oil distributing hole road (29) is communicated with the second oil distributing hole road (26), and the first draining duct (27) is communicated with the second draining duct (37) on the lower end cap (12).
2. a kind of many gyration type hydraulic operated valves according to claim 1, it is characterized in that being equiped with O shape sealing (31) at the stop portion of end cover (7) lower end surface and stator overlap joint, be equiped with the second O-ring seals (16) at the stop portion of joining oil jacket (14) and stator overlap joint; Between the endoporus step of end cover (7) and rotor (18) outer surface first step, be equiped with the first seal ring (19), at rotor (18) internal surface second step and join between the first step of oil jacket (14) top and be equiped with the second seal ring (17); The periphery that is positioned at the 3rd oil distributing hole road (28) and the 4th oil distributing hole road (29) in the upper-end surface of lower end cap (12) has respectively the first annular groove and the second annular groove, at in-built the 3rd O-ring seals (32) that is provided with of the first annular groove, in the second annular groove, be equiped with the 4th O-ring seals (33), and by screw in compression on the lower end surface of joining oil jacket (14).
3. a kind of many gyration type hydraulic operated valves according to claim 1, it is characterized in that: the external wall of upper portion at bearing (ball) cover (3) is equiped with displacement transducer (23).
4. a kind of many gyration type hydraulic operated valves according to claim 1, it is characterized in that: in the annular recess of joining oil jacket (14) top, be equiped with support ring (15), rear end, cylndrical surface at each piston (8) is provided with groove, is equiped with 0 shape seal ring (39) in each groove.
5. a kind of many gyration type hydraulic operated valves according to claim 1 is characterized in that: output cover (21) inwall middle part has and is connected required protrusion step with valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228924 CN202812409U (en) | 2012-05-22 | 2012-05-22 | Multi-rotation hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228924 CN202812409U (en) | 2012-05-22 | 2012-05-22 | Multi-rotation hydraulic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812409U true CN202812409U (en) | 2013-03-20 |
Family
ID=47871279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220228924 Expired - Lifetime CN202812409U (en) | 2012-05-22 | 2012-05-22 | Multi-rotation hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423506A (en) * | 2012-05-22 | 2013-12-04 | 徐学新 | Multi-rotation hydraulic valve |
-
2012
- 2012-05-22 CN CN 201220228924 patent/CN202812409U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423506A (en) * | 2012-05-22 | 2013-12-04 | 徐学新 | Multi-rotation hydraulic valve |
| CN103423506B (en) * | 2012-05-22 | 2015-09-23 | 徐学新 | A kind of many gyration type hydraulic operated valves |
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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: 20130320 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |