CN102620036A - Hydraulic actuating device used for swing on-off valve - Google Patents
Hydraulic actuating device used for swing on-off valve Download PDFInfo
- Publication number
- CN102620036A CN102620036A CN2012100794469A CN201210079446A CN102620036A CN 102620036 A CN102620036 A CN 102620036A CN 2012100794469 A CN2012100794469 A CN 2012100794469A CN 201210079446 A CN201210079446 A CN 201210079446A CN 102620036 A CN102620036 A CN 102620036A
- Authority
- CN
- China
- Prior art keywords
- oil
- torsion
- spiral gear
- swing
- hydraulic pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a hydraulic actuating device used for a swing on-off valve, comprising a torsion output device and a power device. The power output shaft of the torsion output device is in coaxial stationary fit with the rotating shaft of the valve; the power device comprises an oil supply device, an oil tank, an oil pump, a change valve and a motor; hydraulic oil supply communication between the oil supply device and the torsion output device is realized by a hydraulic oil hole; the oil pump is driven by the motor; and the oil-in end of the pump is connected with the oil tank and the oil-out end is connected with the oil supply device. Transformation between linear power input and torsion power input is realized by the spiral swing torsion output hydraulic device. As a power actuating mechanism, the hydraulic actuating device can satisfy the needs of large-torsion starting power of large industrial valves, overcome the shortages of complex structure, huge volume and high failure rate of torsion actuating devices of large industrial valves in the prior art. The hydraulic actuating device has the advantages of small volume, stable and reliable operation, large output torsion, adjustable and precisely controllable power output and wide application.
Description
Technical field
The invention belongs to the hydraulic equipment technical field, be specifically related to a kind of simple in structurely, working stability is reliable, can satisfy high pulling torque and swing the swing opening/shutting valve that closes industrial valve needs and use hydraulic pressure execution device.
Background technique
Valve is the key industry parts, and the dish valve is exactly one of them.The dish valve need to begin the moment of torsion of swing, and the powered actuation mechanism of small-sized dish valve can be used pneumatic, electromagnetic actuator, and needs bigger aerodynamic moment for large-scale dish valve, and pneumatic or electromagnetic actuator just is difficult to be competent at.The large-scale dish valve of existing technology adopts complex mechanical construction to realize more, like gear-rackwork, and complex structure not only, and also floor space is big.The size of dish valve is big more, and the starting torque that needs is big more, and the volume of actuator is also big more.For this reason, develop a kind of advantages of small volume, working stability is reliable, and output torque is big, and big being suitable for of power output area swung and closed the big dynamic start device that valve uses and be very important.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, working stability is reliable, can satisfy high pulling torque and swing the swing opening/shutting valve that closes industrial valve needs and use hydraulic pressure execution device.
The objective of the invention is to realize like this; Comprise moment of torsion output unit, power plant; The pto of described moment of torsion output unit and valve rotating shaft coaxle secure fit; Described power plant comprise oil supplying device, fuel tank, oil pump, selector valve and motor, and described oil supplying device realizes that through the hydraulic pressure oilhole hydraulic pressure fuel feeding is communicated with the moment of torsion output unit; Said oil pump is by motor driving, and the oil inlet end of said oil pump connects fuel tank, and oil outlet end connects oil supplying device.
The present invention has realized the conversion of straight line power input with torque power output through spiral swing type moment of torsion output hydraulic pressure installation, and the actuator as open and close mode valve as swing satisfies the needs that large scale industry valve high pulling torque starts power.Advantages of small volume of the present invention, torque power output is big, has overcome existing technology large scale industry valve torque actuator complex structure, and is bulky, the deficiency that rate of fault is high, and also moment of torsion output angle can accurately be controlled.Outputting power is adjustable, the advantage of wide accommodation.The present invention has advantages of small volume, and is easy and simple to handle, and working stability is reliable, and moment of torsion output angle is controlled characteristics accurately.
Description of drawings
Fig. 1 is an overall structure plan view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the present invention's moment of torsion output unit overall structure cross-sectional schematic;
Fig. 4 is the plan view of Fig. 3;
Among the figure: 1-oil supplying device, 2-moment of torsion output unit, 21-upper end cap, 22-oil hydraulic cylinder, 23-lower end cap; The 24-pto, 25-external spiral gear, 26-internal spiral gear ring, 27-countershaft, 28-spline; 29-hydraulic pressure oilhole, 210-bearing support, 211-angle indicator panel, 212-angle indicator, 3-valve; The 4-motor, 5-selector valve, 6-oil pump, 7-fuel tank.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described, but never in any form the present invention is limited, any conversion or improvement based on training centre of the present invention is done all fall into protection scope of the present invention.
Like accompanying drawing 1 ~ shown in Figure 2; The present invention includes moment of torsion output unit 2, power plant; The pto 24 and the valve rotating shaft coaxle secure fit of described moment of torsion output unit 2; Described power plant comprise oil supplying device 1, fuel tank 7, oil pump 6, selector valve 5 and motor 4, and described oil supplying device 1 realizes that through hydraulic pressure oilhole 29 the hydraulic pressure fuel feeding is communicated with moment of torsion output unit 2; Said oil pump 6 is driven by motor 4, and the oil inlet end of said oil pump 6 connects fuel tank 7, and oil outlet end connects oil supplying device 1.
Fig. 3 shows the overall structure of spiral swing type moment of torsion output unit; Its described moment of torsion output unit 2 comprises oil hydraulic cylinder 22, goes through torque conversion gear pair and pto 24; Described goes through torque conversion gear pair comprises external spiral gear 25 and internal spiral gear ring 26, and the two is meshing with each other; The outer rim of described internal spiral gear ring 26 and oil hydraulic cylinder 22 inwalls closely cooperate, and described external spiral gear 25 connecting ends are connected with oil hydraulic cylinder 22 inner wall sealings and movingly, external spiral gear 25 and pto 24 rear ends are movingly; On the inner circumference of described internal spiral gear ring 26 helical tooth is set, is provided with and internal spiral gear ring 26 intermeshing helical tooths on the excircle of described external spiral gear 25.
Described pto 24 middle parts are provided with to encircle in spline structure and the external spiral gear 25 and are slidingly matched.
Described pto 24 tail ends are provided with countershaft 27, and described countershaft 27 is sealed and matched with upper end cap 21.
Fig. 4 shows spiral swing type moment of torsion output unit end construction, and said upper end cap 21 outer installment angle of swing indicator panels 211 are provided with angle of swing pointer 212 on the countershaft 27.With the angle of swing of convenient indication pto 24, make angle control more accurate.
Working principle of the present invention and working procedure:
The present invention has realized input of straight line power and torque power output through oil hydraulic cylinder internal torque conversion gear pair, with this actuator as valve opening and closing.The present invention has made full use of the big advantage of hydraulic power output, and the conversion of cylinder internally-powered outbound course makes that the oil hydraulic cylinder volume is small and exquisite, and torque power is strong, and the output angle can accurately be controlled.
During use; Power plant get into the hydraulic oil in the fuel tank 7 in the oil hydraulic cylinder 22 through hydraulic pressure oilhole 29 through its oil supplying device 1; The pressure of hydraulic oil acts on the section of external spiral gear 25; Promote external spiral gear 25 and move, rotatablely move and force external spiral gear 25 to produce with the leading role of the friction tight internal spiral gear ring 26 of oil hydraulic cylinder 22 inwalls, the torque that external spiral gear 25 produces is exported to pto 24 outside transmitting torques through spline 28; Drive to have swung and close valve,, especially be suitable as the large scale industry dish valve actuating mechanism that needs high pulling torque to start like the rotatory force of dish valve.
The present invention has advantages of small volume, and is easy and simple to handle, and working stability is reliable, and moment of torsion output angle is accurately controlled.
Claims (5)
1. a swing opening/shutting valve is used hydraulic pressure execution device; Comprise moment of torsion output unit (2), power plant; The pto (24) of described moment of torsion output unit (2) and valve rotating shaft coaxle secure fit; Described power plant comprise oil supplying device (1), fuel tank (7), oil pump (6), selector valve (5) and motor (4), and described oil supplying device (1) realizes that through hydraulic pressure oilhole (29) the hydraulic pressure fuel feeding is communicated with moment of torsion output unit (2); Said oil pump (6) is driven by motor (4), and the oil inlet end of said oil pump (6) connects fuel tank (7), and oil outlet end connects oil supplying device (1).
2. a kind of swing opening/shutting valve according to claim 1 is used hydraulic pressure execution device; It is characterized in that: described moment of torsion output unit (2) comprises oil hydraulic cylinder (22), goes through torque conversion gear pair and pto (24); Described goes through torque conversion gear pair comprises external spiral gear (25) and internal spiral gear ring (26), and the two is meshing with each other; The outer rim of described internal spiral gear ring (26) and oil hydraulic cylinder (22) inwall closely cooperate; Described external spiral gear (25) connecting end is connected with oil hydraulic cylinder (22) inner wall sealing and movingly, external spiral gear (25) and pto (24) rear end are movingly; On the inner circumference of described internal spiral gear ring (26) helical tooth is set, is provided with and the intermeshing helical tooth of internal spiral gear ring (26) on the excircle of described external spiral gear (25).
3. a kind of swing opening/shutting valve according to claim 1 and 2 is used hydraulic pressure execution device, it is characterized in that: described pto (24) middle part is provided with to encircle in spline structure and the external spiral gear (25) and is slidingly matched.
4. a kind of swing opening/shutting valve according to claim 1 and 2 is used hydraulic pressure execution device, it is characterized in that: described pto (24) tail end is provided with countershaft (27), and described countershaft (27) is sealed and matched with upper end cap (21).
5. a kind of swing opening/shutting valve according to claim 4 is used hydraulic pressure execution device, it is characterized in that: said upper end cap (21) outer installment angle of swing indicator panel (211) is provided with angle of swing pointer (212) on the countershaft (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100794469A CN102620036B (en) | 2012-03-23 | 2012-03-23 | Hydraulic actuating device used for swing on-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100794469A CN102620036B (en) | 2012-03-23 | 2012-03-23 | Hydraulic actuating device used for swing on-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102620036A true CN102620036A (en) | 2012-08-01 |
| CN102620036B CN102620036B (en) | 2013-11-13 |
Family
ID=46560153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100794469A Active CN102620036B (en) | 2012-03-23 | 2012-03-23 | Hydraulic actuating device used for swing on-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102620036B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591585A (en) * | 2018-06-19 | 2018-09-28 | 河南宜和城保装备科技实业有限公司 | Opening and closing device is moved in a kind of digitlization for Fluid valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052466U (en) * | 1989-06-30 | 1990-02-07 | 航空航天工业部第634研究所 | Electro-magnetic bydraulic three-way ball valve |
| US5421156A (en) * | 1991-01-25 | 1995-06-06 | Linde Aktiengesellschaft | Hydraulic drive system |
| US20050218359A1 (en) * | 2004-03-31 | 2005-10-06 | Davis Albert S | Valve, actuator and control system therefor |
| CN2739436Y (en) * | 2004-11-19 | 2005-11-09 | 周卫东 | Multifunctional liquid-controlled water valve |
| CN201461993U (en) * | 2009-07-10 | 2010-05-12 | 上海华通阀门有限公司 | Hydraulically-regulated quick-closing valve |
| CN101852283A (en) * | 2010-05-24 | 2010-10-06 | 镇江中浦冷辗科技有限公司 | Hydraulic stepless speed regulating device |
| CN201810855U (en) * | 2010-09-28 | 2011-04-27 | 郑州市自来水总公司 | Hydraulic transmission opening and closing machine of valve |
| CN202484400U (en) * | 2012-03-23 | 2012-10-10 | 云南兴长江实业有限公司 | Hydraulic actuator for swing switch valve |
-
2012
- 2012-03-23 CN CN2012100794469A patent/CN102620036B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052466U (en) * | 1989-06-30 | 1990-02-07 | 航空航天工业部第634研究所 | Electro-magnetic bydraulic three-way ball valve |
| US5421156A (en) * | 1991-01-25 | 1995-06-06 | Linde Aktiengesellschaft | Hydraulic drive system |
| US20050218359A1 (en) * | 2004-03-31 | 2005-10-06 | Davis Albert S | Valve, actuator and control system therefor |
| CN2739436Y (en) * | 2004-11-19 | 2005-11-09 | 周卫东 | Multifunctional liquid-controlled water valve |
| CN201461993U (en) * | 2009-07-10 | 2010-05-12 | 上海华通阀门有限公司 | Hydraulically-regulated quick-closing valve |
| CN101852283A (en) * | 2010-05-24 | 2010-10-06 | 镇江中浦冷辗科技有限公司 | Hydraulic stepless speed regulating device |
| CN201810855U (en) * | 2010-09-28 | 2011-04-27 | 郑州市自来水总公司 | Hydraulic transmission opening and closing machine of valve |
| CN202484400U (en) * | 2012-03-23 | 2012-10-10 | 云南兴长江实业有限公司 | Hydraulic actuator for swing switch valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591585A (en) * | 2018-06-19 | 2018-09-28 | 河南宜和城保装备科技实业有限公司 | Opening and closing device is moved in a kind of digitlization for Fluid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102620036B (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016430A (en) | Swash plate piston hydraulic transformer controlled by swing hydraulic motor | |
| CN201145085Y (en) | Pneumatic executor | |
| CN102620036B (en) | Hydraulic actuating device used for swing on-off valve | |
| CN202484400U (en) | Hydraulic actuator for swing switch valve | |
| CN205732299U (en) | Homonymy single input axle, synchronous backward double output shaft milling train special gear box | |
| CN208634129U (en) | A kind of swing hydraulic pressure cylinder | |
| CN207161155U (en) | A kind of switching undisturbed device | |
| CN202484242U (en) | Spiral swing type torque output hydraulic device | |
| CN203189845U (en) | Pneumatic actuating mechanism of large-pipe diameter valve | |
| CN209458212U (en) | A kind of hydraulic power station flow manual switching device | |
| CN204739303U (en) | Large -scale water delivery butterfly valve of hydraulic pressure helping hand switching | |
| CN202065535U (en) | Integral type electrohydraulic angle driving device | |
| CN202001511U (en) | Power take-off coupling for electric wheel watering cart | |
| CN205938115U (en) | Angle stroke hydraulic actuator for executor | |
| CN107606291A (en) | A kind of reliable and stable hydraulic valve device | |
| CN104879533A (en) | Automatic dual-control linkage ball valve | |
| CN205315628U (en) | Power transmitting mechanism and power device | |
| CN204984771U (en) | Photovoltaic air compressor machine system | |
| CN203031530U (en) | Pneumatic torque wrench | |
| CN202927219U (en) | Pneumatic actuator adopting top-mounted bevel gear transmission | |
| CN203756026U (en) | Chain box of independent rotating disk driving device on oil rig | |
| CN202659933U (en) | Valve body of marine screw valve | |
| CN202132580U (en) | Magnetic force butterfly valve | |
| CN202418853U (en) | Torque booster for remote transmission | |
| CN206398107U (en) | A kind of intelligent hydraulic butterfly valve of Integral hydraulic torsion drive device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |