CN110553088A - Hydraulic drive lead screw pair rotating device - Google Patents
Hydraulic drive lead screw pair rotating device Download PDFInfo
- Publication number
- CN110553088A CN110553088A CN201910867703.7A CN201910867703A CN110553088A CN 110553088 A CN110553088 A CN 110553088A CN 201910867703 A CN201910867703 A CN 201910867703A CN 110553088 A CN110553088 A CN 110553088A
- Authority
- CN
- China
- Prior art keywords
- ball screw
- shell
- oil cylinder
- rotating device
- ball
- 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.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a hydraulic drive screw pair rotating device which comprises a valve connecting plate, a shell and a ball screw, wherein the valve connecting plate is fixed at the bottom of one side of the shell, the shell is cylindrical, a cylinder cover is arranged at the top of the shell, a cylinder barrel is arranged at the top of the cylinder cover, a locking cylinder cover is fixed at the top of the cylinder barrel through a bolt, an oil cylinder piston is arranged inside the cylinder barrel, a hexagonal through hole is formed in the middle of the oil cylinder piston, the ball screw is in a regular hexagonal rod shape and penetrates through the hexagonal through hole to be tightly connected with the oil cylinder piston, a ball screw nut is arranged on the outer surface of the ball screw in the shell, a rotating sleeve is arranged on the outer surface of the ball screw nut, an upper bearing is arranged at the top of. The hydraulic drive screw pair rotating device is reasonable in structure setting, stable in operation, reliable in performance, capable of being controlled remotely, convenient to maintain and long in service life, and achieves the effect of controlling the opening and closing of the valve through corresponding combination.
Description
Technical Field
The invention belongs to the technical field of valve driving, and particularly relates to a hydraulic driving screw pair rotating device.
Background
In the industrial fields of petroleum, chemical industry, metallurgy, paper making and the like, various types of industrial valves are widely used for controlling liquid and gas conveying pipelines. At present, in domestic valve driving, a worm gear or a rack is mostly adopted as a transmission mechanism, and a motor drives; in recent years, a special screw rod and nut mode transmission mode and a shifting fork driving mode driven by a hydraulic cylinder are adopted. Some structures of above-mentioned drive methods are complicated, and some drive power is little, and some can not realize valve opening control, need process control at some specific environment and valve opening characteristic, for example need quick switch valve, control valve port opening etc. under big torque state, two kinds of drive methods just receive certain limitation above. Therefore, the hydraulic drive screw pair rotating device successfully applied to related petroleum drilling equipment is designed to control the valve opening and closing and the valve opening and closing amount process control, the device is successfully applied, the blank of a special application of the ball screw pair in China is filled, the mechanical self-locking characteristic of the hydraulic drive ball screw pair is utilized, and the reliability and the controllability of the valve used under special conditions are greatly improved.
Disclosure of Invention
The invention aims to provide a hydraulic drive screw pair rotating device to solve the problems that the conventional valve drive structure is complex, the drive force is small and the valve opening degree cannot be controlled.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vice rotary device of hydraulic drive lead screw, includes valve connecting plate, shell and ball, the bottom in shell one side is fixed to the valve connecting plate, the shell is cylindric and the top is equipped with the cylinder cap, the top of cylinder cap is equipped with the jar bucket, there is the locking cylinder cap at the top of jar bucket through the bolt fastening, the inside of jar bucket is equipped with the hydro-cylinder piston, the middle part of hydro-cylinder piston is equipped with the hexagonal through-hole, ball is regular hexagon shaft-like and passes hexagonal through-hole and hydro-cylinder piston fastening connection, ball's one end upwards extends the locking cylinder cap, and the other end passes the bottom that the cylinder cap downwardly extending to the shell, ball's in the shell surface is equipped with ball nut, ball nut's surface is equipped with the swivel housing, the top of swivel housing is equipped with upper bearing and the bottom.
Preferably, the bottom of the locking cylinder cover and the top of the oil cylinder piston are both provided with cross locking bosses which slide in a cross manner.
Preferably, a ball helical line raceway is arranged between the ball screw and the ball screw nut, forms a lead between the ball screw and the ball screw nut, and is connected through mechanical fastening.
Preferably, the ball screw nut is tightly connected with the rotating sleeve, and the rotation angle of the ball screw nut is the rotation angle of the rotating sleeve.
Preferably, an angle sensor is arranged at the bottom of the ball screw.
Preferably, the cylinder barrel and the oil cylinder piston form a sealed space which is a rodless cavity of the hydraulic oil cylinder.
the invention has the technical effects and advantages that: 1. the hydraulic drive screw pair rotating device is reasonable in structure arrangement, stable in operation, reliable in performance, capable of being controlled remotely, convenient to maintain and long in service life, and achieves the effect of controlling the opening and closing of a valve through corresponding combination;
2. The hydraulic drive screw pair rotating device realizes the control of mechanical rotation through remote control, realizes the quick opening and closing of the valve and the mechanical self-locking of each opening of the valve, and simultaneously realizes the controllability of the opening of the valve, thereby greatly improving the use requirements of the valve under different working conditions, and particularly being applied to the field of valve switch control of a place where smoke and fire are forbidden;
3. The hydraulic drive screw pair rotating device is beneficial to popularization and application in a mechanical rotating mechanism, and meanwhile, the application range is expanded through different combinations.
Drawings
Fig. 1 is a structural sectional view of the present invention.
In the figure: 1-valve connecting plate, 2-lower bearing, 3-shell, 4-ball screw, 5-ball screw nut, 6-upper bearing, 7-cylinder barrel, 8-cylinder cover, 9-locking cylinder cover, 10-oil cylinder piston, 11-rotary sleeve, 12-angle sensor and 13-hexagonal through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a hydraulic drive screw pair rotating device as shown in the figure, which comprises a valve connecting plate 1, a shell 3 and a ball screw 4, wherein the valve connecting plate 1 is fixed at the bottom of one side of the shell 3, the shell 3 is cylindrical, the top of the shell is provided with a cylinder cover 8, the top of the cylinder cover 8 is provided with a cylinder barrel 7, the top of the cylinder barrel 7 is fixedly provided with a stop cylinder cover 9 through bolts, the inside of the cylinder barrel 7 is provided with a cylinder piston 10, the middle part of the cylinder piston 10 is provided with a hexagonal through hole 13, the ball screw 4 is in a regular hexagonal rod shape and is tightly connected with the cylinder piston 10 through the hexagonal through hole 13, one end of the ball screw 4 extends upwards through the stop cylinder cover 9, the other end of the ball screw passes through the cylinder cover 8 and extends downwards to the bottom of the shell 3, the outer surface of the ball screw 4 in the shell 3 is provided with a ball screw nut, the top of swivel mount 11 is equipped with upper bearing 6 and the bottom is equipped with lower bearing 2. In addition, the bottom of the locking cylinder cover 9 and the top of the oil cylinder piston 10 are both provided with cross locking bosses which slide in a cross manner to form a reaction torque, so that the torsion caused by the rotation of the screw rod is overcome. Be equipped with ball helix raceway between ball 4 and the ball nut 5, form the helical pitch between ball 4 and the ball nut 5, and through mechanical fastening connection, the distance (mechanical fastening guarantees) between terminal surface and the 8 up end of cylinder cap under the control hydro-cylinder piston 10 reaches the requirement of control helical pitch to obtain the corner of ball nut 5. The ball screw nut 5 is fixedly connected with the rotating sleeve 11, and the rotating angle of the ball screw nut 5 is the rotating angle of the rotating sleeve 11, so that the rotating angle and the steering of the main shaft of the controlled part are realized, for example, when the lead of the screw pair is 40mm in a circle of 360 degrees, the piston of the hydraulic oil cylinder moves downwards, the rotating angle is 90 degrees, the positive steering is realized, the piston of the hydraulic oil cylinder moves upwards, the rotating angle is 0 degree, and the negative steering is realized (controlled on a valve switch. An angle sensor 12 is arranged at the bottom of the ball screw 4, and the mechanical self-locking performance of the ball screw 4 and the ball screw nut 5 is utilized to finely control the rotating angle. The cylinder barrel 7 and the oil cylinder piston 10 form a sealed space which is a rodless cavity of the hydraulic oil cylinder, in addition, when the valve connecting plate 1 is combined with a controlled component, the valve connecting plate is used for fixing and stopping rotation, the upper bearing 2 and the lower bearing 6 are used for rotating and stopping position, and the shell 3 is used for integrally and tightly connecting the ball screw 4, the ball screw nut 5 and the hydraulic oil cylinder component.
The working principle is as follows: when the hydraulic drive screw pair rotating device works, the hydraulic drive screw pair rotating device is firstly combined with a controlled assembly through the valve connecting plate 1 and is used for fixing and stopping rotation, the upper bearing and the lower bearing are used for rotating and stopping, the cylinder barrel 7 and the oil cylinder piston 10 form a sealed space, the space is a rodless cavity of a hydraulic oil cylinder, the shell 3 is used for fastening and integrally connecting a screw pair rotating part and the hydraulic oil cylinder part, the oil cylinder piston 10 drives the ball screw 4 to do linear motion in the vertical direction, the ball screw nut 5 does rotary motion, the purpose of rotating a controlled part (a valve switch) is achieved, and meanwhile, the angle sensor 12 can finely control the rotating angle. The hydraulic drive screw pair rotating device is reasonable in structure arrangement, stable in operation, reliable in performance, capable of being controlled remotely, convenient to maintain and long in service life, and achieves the effect of controlling the opening and closing of a valve through corresponding combination; meanwhile, the controllability of the opening of the valve is realized, so that the use requirements of the valve under different working conditions are greatly improved, and the valve is particularly applied to the site where the smoke and fire are forbidden for valve switch control; and meanwhile, the application range is expanded through different combinations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a vice rotary device of hydraulic drive lead screw, includes valve connecting plate (1), shell (3) and ball (4), its characterized in that: the valve connecting plate (1) is fixed at the bottom of one side of the shell (3), the shell (3) is cylindrical, the top of the shell is provided with a cylinder cover (8), the top of the cylinder cover (8) is provided with a cylinder barrel (7), the top of the cylinder barrel (7) is fixedly provided with a locking cylinder cover (9) through bolts, an oil cylinder piston (10) is arranged inside the cylinder barrel (7), the middle part of the oil cylinder piston (10) is provided with a hexagonal through hole (13), the ball screw (4) is in a regular hexagonal rod shape and penetrates through the hexagonal through hole (13) to be tightly connected with the oil cylinder piston (10), one end of the ball screw (4) upwards extends through the locking cylinder cover (9), the other end of the ball screw penetrates through the cylinder cover (8) to downwards extend to the bottom of the shell (3), the outer surface of the ball screw (4) in the shell (3) is provided with a ball screw nut (5), the outer surface of, the top of the rotating sleeve (11) is provided with an upper bearing (6) and the bottom is provided with a lower bearing (2).
2. The hydraulically driven screw pair rotating device of claim 1, wherein: the bottom of the locking cylinder cover (9) and the top of the oil cylinder piston (10) are both provided with cross locking bosses which slide in a cross way.
3. The hydraulically driven screw pair rotating device of claim 1, wherein: and a ball spiral line raceway is arranged between the ball screw (4) and the ball screw nut (5), so that a lead between the ball screw (4) and the ball screw nut (5) is formed, and the ball screw is connected with the ball screw nut through mechanical fastening.
4. The hydraulically driven screw pair rotating device of claim 1, wherein: the ball screw nut (5) is fixedly connected with the rotating sleeve (11), and the rotating angle of the ball screw nut (5) is the rotating angle of the rotating sleeve (11).
5. The hydraulically driven screw pair rotating device of claim 1, wherein: an angle sensor (12) is arranged at the bottom of the ball screw (4).
6. The hydraulically driven screw pair rotating device of claim 1, wherein: the cylinder barrel (7) and the oil cylinder piston (10) form a sealed space which is a rodless cavity of the hydraulic oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867703.7A CN110553088A (en) | 2019-09-14 | 2019-09-14 | Hydraulic drive lead screw pair rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910867703.7A CN110553088A (en) | 2019-09-14 | 2019-09-14 | Hydraulic drive lead screw pair rotating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553088A true CN110553088A (en) | 2019-12-10 |
Family
ID=68740323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910867703.7A Pending CN110553088A (en) | 2019-09-14 | 2019-09-14 | Hydraulic drive lead screw pair rotating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110553088A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116273563A (en) * | 2023-03-20 | 2023-06-23 | 深圳大方智能科技有限公司 | A high voltage switch mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030145667A1 (en) * | 2002-02-01 | 2003-08-07 | Donald Alistair Ross | Linear actuators |
| CN201972999U (en) * | 2011-02-16 | 2011-09-14 | 袁天钢 | Mechanical interlocking type oil cylinder |
| CN202252283U (en) * | 2011-09-07 | 2012-05-30 | 重庆新泰机械有限责任公司 | Ball screw valve |
| CN105626612A (en) * | 2014-10-28 | 2016-06-01 | 北京精密机电控制设备研究所 | Digital servo valve with high integration level |
| CN106321922A (en) * | 2016-08-22 | 2017-01-11 | 开平市玛格纳卫浴有限公司 | Hydraulically-delayed self-closed water-saving water faucet valve element |
| CN108167453A (en) * | 2018-01-22 | 2018-06-15 | 博纳斯威阀门股份有限公司 | A kind of hydraulic drive two way seal the needle valve |
| CN108361404A (en) * | 2018-02-09 | 2018-08-03 | 东北石油大学 | A kind of Remote Hydraulic control septum valve |
| CN108533563A (en) * | 2018-05-10 | 2018-09-14 | 四川大学 | A kind of external friction mechanical self-locking hydraulic cylinder based on ball-screw |
| CN210461890U (en) * | 2019-09-14 | 2020-05-05 | 四川普盛科技有限责任公司 | Hydraulic drive lead screw pair rotating device |
-
2019
- 2019-09-14 CN CN201910867703.7A patent/CN110553088A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030145667A1 (en) * | 2002-02-01 | 2003-08-07 | Donald Alistair Ross | Linear actuators |
| CN201972999U (en) * | 2011-02-16 | 2011-09-14 | 袁天钢 | Mechanical interlocking type oil cylinder |
| CN202252283U (en) * | 2011-09-07 | 2012-05-30 | 重庆新泰机械有限责任公司 | Ball screw valve |
| CN105626612A (en) * | 2014-10-28 | 2016-06-01 | 北京精密机电控制设备研究所 | Digital servo valve with high integration level |
| CN106321922A (en) * | 2016-08-22 | 2017-01-11 | 开平市玛格纳卫浴有限公司 | Hydraulically-delayed self-closed water-saving water faucet valve element |
| CN108167453A (en) * | 2018-01-22 | 2018-06-15 | 博纳斯威阀门股份有限公司 | A kind of hydraulic drive two way seal the needle valve |
| CN108361404A (en) * | 2018-02-09 | 2018-08-03 | 东北石油大学 | A kind of Remote Hydraulic control septum valve |
| CN108533563A (en) * | 2018-05-10 | 2018-09-14 | 四川大学 | A kind of external friction mechanical self-locking hydraulic cylinder based on ball-screw |
| CN210461890U (en) * | 2019-09-14 | 2020-05-05 | 四川普盛科技有限责任公司 | Hydraulic drive lead screw pair rotating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116273563A (en) * | 2023-03-20 | 2023-06-23 | 深圳大方智能科技有限公司 | A high voltage switch mechanism |
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