CN201802383U - Pneumatic rotating actuator with adjustable angle - Google Patents
Pneumatic rotating actuator with adjustable angle Download PDFInfo
- Publication number
- CN201802383U CN201802383U CN2010205672727U CN201020567272U CN201802383U CN 201802383 U CN201802383 U CN 201802383U CN 2010205672727 U CN2010205672727 U CN 2010205672727U CN 201020567272 U CN201020567272 U CN 201020567272U CN 201802383 U CN201802383 U CN 201802383U
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- piston
- cylinder
- gear
- actuator
- tooth bar
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Abstract
A pneumatic rotating actuator with adjustable angle is disclosed herein comprising a cylinder, a gear drive structure, and an angle regulator, wherein the cylinder is provided with a piston, and the gear drive structure contains a gear and a tooth bar which engage with each other, among which the tooth bar is connected to the piston and the axis of the gear is connected to the actuator, the angle regulator being connected to the piston so as to limit movable position of the piston. The adoption of the cylinder as the power source and the gear drive structure as the actuating mechanism of the utility model can obtain an accurate control of the motions of the actuator. The adoption of angle regulator in controlling the motion of gear drive structure of the utility model has the advantages of reliable position, automatic operation, no man-made wrong operation, and higher working efficiency.
Description
Technical field
The utility model relates to the pneumatic rotary actuator of a kind of adjustable angle, relates in particular to a kind of pneumatic rotary actuator of adjustable angle that will pass under the surface instruction passes valve switch in the device in the rotary steering drilling tool under the control instruction.
Background technology
In petroleum drilling operation,, need give rotary steering drilling tool at the underground teletype command frequently, to revise its drilling direction in order to control rotary steering drilling tool.And the following biography of surface instruction is to pass down the time of the opening and closing of valve in the device by the control surface instruction, and shunts that certain mud flow rate realizes.In order to ensure rotary steerable tool can be in different well depths operate as normal and receive the underground teletype command, just need size by the by-pass valve control opening angle, come the flow of by-pass valve control shunting mud, thereby guarantee turbine generator operate as normal in the rotary steerable tool, and can receive the underground teletype command.
In petroleum drilling operation, in the petroleum drilling operation,, and produce maloperation especially at sea because the uninteresting property of this work very easily causes operator's fatigue.Artificial Control is adopted in present valve control, and often because mistake appears in operator's maloperation, thereby influence produces the drilling well mistake to the control of rotary steering drilling tool, brings immeasurable economic loss.
The utility model content
The technical problems to be solved in the utility model provides the pneumatic rotary actuator of adjustable angle of a kind of control accuracy height and automation.
In order to address the above problem, the utility model provides a kind of adjustable angle pneumatic rotary actuator, comprising:
Cylinder is provided with piston in the described cylinder;
Gear transmission structure, described gear transmission structure comprises pitch wheel and tooth bar, and described tooth bar connects described piston, and described gear axis connects actuator;
Angle demodulator, described angle demodulator is connected setting with described piston, limits described piston shift position.
Further, described angle demodulator comprises:
Liquid reserve tank stores liquid in the described liquid reserve tank;
Pump, described pump one end is communicated with described liquid reserve tank, and the other end is communicated with hydraulic cylinder;
Motor, described motor connects described pump, and action under control system control;
Hydraulic cylinder is provided with hydraulic piston in the described hydraulic cylinder, the fixedly connected described piston of described hydraulic piston.
Further, described piston and tooth bar quantity are 2, and described piston is symmetricly set in the described cylinder, and the described relatively gear of described tooth bar is symmetrical arranged.
Further, be connected for key between described gear and the described actuator.
The utlity model has following advantage:
1, the utility model adopts cylinder as power source, gear transmission structure is as executing agency, can accurately control the actuator action, the utility model adopts the action of angle demodulator control gear drive mechanism, the position is reliable, realize automation mechanized operation fully, when avoiding artificial incorrect operation, increase work efficiency greatly.
2, angle demodulator adopts hydraulic cylinder to control in the utility model, the reliability height of control, and automaticity height, and hydraulic cylinder can realize certain buffering, reduces the infringement to gear transmission structure prolongs the utility model application life.
3, piston and tooth bar quantity are 2 in the utility model, and all are symmetrical arranged, and can reduce the wearing and tearing of cylinder and gear simultaneously, avoid producing biasing in the long-term one-way operation process, thereby improve control accuracy greatly.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Fig. 1 shows the manual control structure schematic diagram of the pneumatic rotary actuator of a kind of adjustable angle of the utility model;
Fig. 2 shows the pneumatic rotary actuator of a kind of adjustable angle of the utility model control structure schematic diagram that surges.
The specific embodiment
As shown in Figure 1, the utility model comprises cylinder 1, gear transmission structure 2 and angle demodulator 3.Wherein cylinder 1 is a power source, and gear transmission structure 2 is an executing agency, and angle demodulator 3 is a control device.
Be provided with piston 11 in the cylinder 1, piston 11 is divided into cylinder 1 chamber of two sealings.By two chambers are carried out air inlet, the control of giving vent to anger, can promote this piston 11 and move, thereby provide power for action of the present utility model.
The utility model adopts cylinder 1 as power source, gear transmission structure 2 is as executing agency, can accurately control actuator 4 actions, the utility model adopts 2 actions of angle demodulator 3 control gear drive mechanisms, the position is reliable, realize automation mechanized operation fully, when avoiding artificial incorrect operation, increase work efficiency greatly.
As shown in Figure 2, in the utility model, angle demodulator 3 comprises liquid reserve tank 31, pump 32, motor 33 and hydraulic cylinder 34.Liquid reserve tank 31 provides liquid, and pump 32 is used to pump liquid, and motor 33 is power set, and hydraulic cylinder 34 is an execution unit.
Store liquid in the liquid reserve tank 31, can fill according to actual needs or change.Liquid can adopt water or oil, can adopt the mode of drawing materials to obtain nearby.
Motor 33 connects pump, and action under control system 35 controls.Motor 33 actions are controlled motor 33 according to actual needs and are turned to and rotating speed by control system 35 controls.Motor 33 and pump 32 link to each other by shaft coupling, for pump 32 provides power, drive pump 32 rotations.
Be provided with hydraulic piston 36 in the hydraulic cylinder 34, these hydraulic piston 36 1 sides are the liquid that pumping comes, and the other end connects piston 11.The liquid that pumping comes can be hydraulic piston 36 provides power, withstands piston 11, avoids piston 11 to move in this position, plays position-limiting action.
In the utility model, piston 11 is 2 with tooth bar 22 quantity, and piston 11 is symmetricly set in the cylinder 1, and tooth bar 22 relative gears 21 are symmetrical arranged.Wherein, one of them connection angle adjuster 3 of 11 need of two pistons gets final product.
Piston 11 is 2 with tooth bar 22 quantity in the utility model, and all is symmetrical arranged, and can reduce the wearing and tearing of cylinder 1 and gear 21 simultaneously, avoids producing biasing in the long-term one-way operation process, thereby improves control accuracy greatly.
In the utility model, be connected for key between gear 21 and the actuator 4.This connected mode is simple, reliable and precision is high.
In the utility model, piston 11 strokes and gear 21 tooth bars 22 engagement situations need be calculated, and to obtain conversion relation between piston 11 strokes and actuator 4 anglecs of rotation, determine angle demodulator 3 adjusting positions, to reach the purpose of accurate control.
In actual use, the utility model control surface instruction passes the opening and closing of valve in the device down, thereby pass to rotary steering drilling tool with under the surface instruction, thereby the guiding force and the guide direction of control rotary steering drilling tool are to realize carrying out according to designed well track the function of directed drilling.
In sum; it below only is preferred embodiment of the present utility model; be not to be used to limit protection domain of the present utility model; therefore; all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. the pneumatic rotary actuator of adjustable angle is characterized in that, comprising:
Cylinder is provided with piston in the described cylinder;
Gear transmission structure, described gear transmission structure comprises pitch wheel and tooth bar, and described tooth bar connects described piston, and described gear axis connects actuator;
Angle demodulator, described angle demodulator is connected setting with described piston, limits described piston shift position.
2. the pneumatic rotary actuator of adjustable angle as claimed in claim 1, it is characterized in that: described angle demodulator comprises:
Liquid reserve tank stores liquid in the described liquid reserve tank;
Pump, described pump one end is communicated with described liquid reserve tank, and the other end is communicated with hydraulic cylinder;
Motor, described motor connects described pump, and action under control system control;
Hydraulic cylinder is provided with hydraulic piston in the described hydraulic cylinder, the fixedly connected described piston of described hydraulic piston.
3. the pneumatic rotary actuator of adjustable angle as claimed in claim 2 is characterized in that: described piston and tooth bar quantity are 2, and described piston is symmetricly set in the described cylinder, and the described relatively gear of described tooth bar is symmetrical arranged.
4. the pneumatic rotary actuator of adjustable angle as claimed in claim 3 is characterized in that: be connected for key between described gear and the described actuator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205672727U CN201802383U (en) | 2010-10-11 | 2010-10-11 | Pneumatic rotating actuator with adjustable angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205672727U CN201802383U (en) | 2010-10-11 | 2010-10-11 | Pneumatic rotating actuator with adjustable angle |
Publications (1)
Publication Number | Publication Date |
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CN201802383U true CN201802383U (en) | 2011-04-20 |
Family
ID=43871888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010205672727U Expired - Fee Related CN201802383U (en) | 2010-10-11 | 2010-10-11 | Pneumatic rotating actuator with adjustable angle |
Country Status (1)
Country | Link |
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CN (1) | CN201802383U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109093300A (en) * | 2018-06-27 | 2018-12-28 | 芜湖鼎瀚再制造技术有限公司 | A kind of welding gun angle adjusting device |
CN111828426A (en) * | 2019-04-16 | 2020-10-27 | 北京凯隆分析仪器有限公司 | Fixed angle multi-position pneumatic actuator |
-
2010
- 2010-10-11 CN CN2010205672727U patent/CN201802383U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109093300A (en) * | 2018-06-27 | 2018-12-28 | 芜湖鼎瀚再制造技术有限公司 | A kind of welding gun angle adjusting device |
CN111828426A (en) * | 2019-04-16 | 2020-10-27 | 北京凯隆分析仪器有限公司 | Fixed angle multi-position pneumatic actuator |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20181011 |
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CF01 | Termination of patent right due to non-payment of annual fee |