CN210461890U - Hydraulic drive lead screw pair rotating device - Google Patents
Hydraulic drive lead screw pair rotating device Download PDFInfo
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- CN210461890U CN210461890U CN201921524048.7U CN201921524048U CN210461890U CN 210461890 U CN210461890 U CN 210461890U CN 201921524048 U CN201921524048 U CN 201921524048U CN 210461890 U CN210461890 U CN 210461890U
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Abstract
The utility model discloses a vice rotary device of hydraulic drive lead screw, including 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 the shaft-like hexagonal through-hole of passing of regular hexagon and hydro-cylinder piston fastening connection, ball in the shell's surface is equipped with ball nut, ball nut's surface is equipped with the swivel housing, the top of swivel housing is equipped with the upper bearing and the bottom is equipped with the lower bearing. 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 utility model belongs to the technical field of the valve drive, concretely relates to vice rotary device of hydraulic drive lead screw.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vice rotary device of hydraulic drive lead screw to solve in the past the valve drive structure complicated, drive power little and can not realize the problem of valve opening control.
In order to achieve the above object, the utility model provides a 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 utility model discloses a technological effect and advantage: 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model 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 fixed with a locking 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 locking cylinder cover 9, the other end of the ball 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 5, 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the 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 |
|---|---|---|---|
| CN201921524048.7U CN210461890U (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 |
|---|---|---|---|
| CN201921524048.7U CN210461890U (en) | 2019-09-14 | 2019-09-14 | Hydraulic drive lead screw pair rotating device |
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| Publication Number | Publication Date |
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| CN210461890U true CN210461890U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921524048.7U Active CN210461890U (en) | 2019-09-14 | 2019-09-14 | Hydraulic drive lead screw pair rotating device |
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| CN (1) | CN210461890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553088A (en) * | 2019-09-14 | 2019-12-10 | 四川普盛科技有限责任公司 | Hydraulic drive lead screw pair rotating device |
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2019
- 2019-09-14 CN CN201921524048.7U patent/CN210461890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553088A (en) * | 2019-09-14 | 2019-12-10 | 四川普盛科技有限责任公司 | Hydraulic drive lead screw pair rotating device |
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