CN102620036B - Hydraulic actuating device used for swing on-off valve - Google Patents
Hydraulic actuating device used for swing on-off valve Download PDFInfo
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- CN102620036B CN102620036B CN2012100794469A CN201210079446A CN102620036B CN 102620036 B CN102620036 B CN 102620036B CN 2012100794469 A CN2012100794469 A CN 2012100794469A CN 201210079446 A CN201210079446 A CN 201210079446A CN 102620036 B CN102620036 B CN 102620036B
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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 meet high pulling torque and swing the swing opening/shutting valve hydraulic pressure execution device that closes the industrial valve needs.
Background technique
Valve is the key industry parts, and the dish valve is exactly one of them.The dish valve starts the moment of torsion that need to swing, and the powered actuation mechanism of small-sized dish valve can be with pneumatic, electromagnetic actuator, and for the larger aerodynamic moment of large-scale dish valve needs, pneumatic or electromagnetic actuator just is difficult to be competent at.The large-scale dish valve of prior art adopts complicated mechanical structure to realize more, as gear-tooth bar mechanism, and complex structure not only, and also floor space is large.The size of dish valve is larger, and the starting torque that needs is larger, and the volume of actuator is also larger.For this reason, develop a kind of volume small and exquisite, working stability is reliable, and output torque is large, and large being suitable for of power output area swung and close the large 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 meet high pulling torque and swing the swing opening/shutting valve hydraulic pressure execution device that closes the industrial valve needs.
The object of the present invention is achieved like this, comprise torque output device, power plant, the pto＝power take-off of described torque output device 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 by the hydraulic pressure oilhole hydraulic pressure fuel feeding is communicated with torque output device; Described oil pump is driven by motor, and the oil inlet end of described 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 by spiral swing type moment of torsion output hydraulic pressure device,, as swinging the actuator that opens and closes mode valve, meets large scale industry valve high pulling torque and starts the needs of power.Volume of the present invention is small and exquisite, and torque power output is large, has overcome prior art large scale industry valve torque actuator complex structure, and is bulky, the deficiency that rate of fault is high, and also the moment of torsion output angle can accurately be controlled.Outputting power is adjustable, the advantage of wide accommodation.It is small and exquisite that the present invention has volume, easy and simple to handle, and working stability is reliable, and the moment of torsion output angle is controlled characteristics accurately.
Description of drawings
Fig. 1 is overall structure plan view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the present invention's torque output device overall structure cross-sectional schematic;
Fig. 4 is the plan view of Fig. 3;
In figure: 1-oil supplying device, 2-torque output device, 21-upper end cap, 22-oil hydraulic cylinder, the 23-lower end cap, 24-pto＝power take-off, 25-external spiral gear, 26-internal spiral gear ring, 27-countershaft, 28-spline, 29-hydraulic pressure oilhole, 210-bearing support, 211-angle indicator panel, the 212-angle indicator, 3-valve, 4-motor, the 5-selector valve, 6-oil pump, 7-fuel tank.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing, but never in any form the present invention is limited, and any conversion or improvement based on training centre of the present invention is done, all fall into protection scope of the present invention.
As accompanying drawing 1 ~ shown in Figure 2, the present invention includes torque output device 2, power plant, pto＝power take-off 24 and the valve rotating shaft coaxle secure fit of described torque output device 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 by hydraulic pressure oilhole 29 the hydraulic pressure fuel feeding is communicated with torque output device 2; Described oil pump 6 is driven by motor 4, and the oil inlet end of described 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 torque output device, its described torque output device 2 comprises oil hydraulic cylinder 22, torque axis gear changing pair and pto＝power take-off 24, described torque axis gear changing pair comprises external spiral gear 25 and internal spiral gear ring 26, and is both intermeshing; 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＝power take-off 24 rear ends are movingly; On the inner circumference of described internal spiral gear ring 26, helical tooth is set, arranges and the intermeshing helical tooth of internal spiral gear ring 26 on the excircle of described external spiral gear 25.
The spline structure is set at described pto＝power take-off 24 middle parts and the interior ring of external spiral gear 25 is slidably matched.
Described pto＝power take-off 24 tail ends arrange countershaft 27, and described countershaft 27 is sealed and matched with upper end cap 21.
Fig. 4 shows spiral swing type torque output device end construction, and described upper end cap 21 outer installment angle of swing indicator panels 211, arrange angle of swing pointer 212 on countershaft 27., to facilitate the angle of swing of indication pto＝power take-off 24, angle is controlled more accurate.
Working principle of the present invention and working procedure:
The present invention has realized that by oil hydraulic cylinder internal torque conversion gear pair straight line power input and torque power export, and uses this actuator as valve opening and closing.The present invention takes full advantage of the large advantage of hydraulic power output, and the conversion of cylinder internally-powered outbound course, make the oil hydraulic cylinder volume small and exquisite, and torque power is strong, and output angle can accurately be controlled.
During use, power plant enter the hydraulic oil in fuel tank 7 in oil hydraulic cylinder 22 by hydraulic pressure oilhole 29 by its oil supplying device 1, the pressure-acting of hydraulic oil is outside on the section of spiral gear 25, promoting external spiral gear 25 moves, and with the leading role of the oil hydraulic cylinder 22 friction tight internal spiral gear rings 26 of inwall, forcing 25 generations of external spiral gear to rotatablely move, the torque that external spiral gear 25 produces is exported to the outside transmitting torque of pto＝power take-off 24 by spline 28; Drive to have swung and close valve,, as the rotatory force of dish valve, especially be suitable as the large scale industry dish valve actuating mechanism that needs high pulling torque to start.
It is small and exquisite that the present invention has volume, easy and simple to handle, and working stability is reliable, and the moment of torsion output angle is accurately controlled.
Claims (4)
1. one kind swings the opening/shutting valve hydraulic pressure execution device, comprise torque output device (2), power plant, the pto＝power take-off (24) of described torque output device (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 by hydraulic pressure oilhole (29) the hydraulic pressure fuel feeding is communicated with torque output device (2); Described oil pump (6) is driven by motor (4), and the oil inlet end of described oil pump (6) connects fuel tank (7), and oil outlet end connects oil supplying device (1); Described torque output device (2) comprises oil hydraulic cylinder (22), torque axis gear changing pair and pto＝power take-off (24), and described torque axis gear changing pair comprises external spiral gear (25) and internal spiral gear ring (26), and is both intermeshing; 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＝power take-off (24) rear end are movingly; On the inner circumference of described internal spiral gear ring (26), helical tooth is set, arranges and the intermeshing helical tooth of internal spiral gear ring (26) on the excircle of described external spiral gear (25).
2. a kind of swing opening/shutting valve hydraulic pressure execution device according to claim 1, is characterized in that: ring in spline structure and external spiral gear (25) is set in the middle part of described pto＝power take-off (24) is slidably matched.
3. a kind of swing opening/shutting valve hydraulic pressure execution device according to claim 1, it is characterized in that: described pto＝power take-off (24) tail end arranges countershaft (27), and described countershaft (27) is sealed and matched with upper end cap (21).
4. a kind of swing opening/shutting valve hydraulic pressure execution device according to claim 3, it is characterized in that: described upper end cap (21) outer installment angle of swing indicator panel (211) arranges angle of swing pointer (212) on 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 |
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| Publication Number | Publication Date |
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| CN102620036A CN102620036A (en) | 2012-08-01 |
| CN102620036B true CN102620036B (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100794469A Active CN102620036B (en) | 2012-03-23 | 2012-03-23 | Hydraulic actuating device used for swing on-off valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Family Cites Families (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 |
| DE4102203A1 (en) * | 1991-01-25 | 1992-07-30 | Linde Ag | HYDRAULIC DRIVE SYSTEM |
| US6986499B2 (en) * | 2004-03-31 | 2006-01-17 | Cooper Cameron Corporation | 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 |
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| CN102620036A (en) | 2012-08-01 |
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