CN104454710A - Rotating movement control system - Google Patents
Rotating movement control system Download PDFInfo
- Publication number
- CN104454710A CN104454710A CN201410593457.8A CN201410593457A CN104454710A CN 104454710 A CN104454710 A CN 104454710A CN 201410593457 A CN201410593457 A CN 201410593457A CN 104454710 A CN104454710 A CN 104454710A
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- Prior art keywords
- piston
- air cavity
- tapered sleeve
- selector valve
- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a rotating movement control system. The rotating movement control system comprises a gas supply device, a first reversing valve, a second reversing valve, a first cylinder and a second cylinder. The gas supply device is communicated with the first reversing valve and the second reversing valve. The first cylinder comprises a first piston and a first piston rod. A first gas cavity and a second gas cavity are formed in the two sides of the first piston respectively. The second cylinder comprises a second piston and a second piston rod. A third gas cavity and a fourth gas cavity are formed in the two sides of the second piston respectively. The first gas cavity is communicated with the fourth gas cavity. The second gas cavity is communicated with the third gas cavity. One end of the first piston rod is located in the second gas cavity. One end of the second piston rod is located in the fourth gas cavity. The first reversing valve and the first gas cavity are correspondingly arranged. The second reversing valve and the third gas cavity are correspondingly arranged. The movement direction of the first piston rod is opposite to the movement direction of the second piston rod. The rotating movement control system has the advantages of being simple in structure, convenient to control, capable of reducing the production cost, and large in driving moment.
Description
Technical field
The invention belongs to a kind of rotary motion control device, especially relate to a kind of rotary motion control system.
Background technique
Atmospheric control, in machinery industry extensive use, has the rotary motion of pneumatic motor actuation movement mechanism, the oscillating motion of oscillating cylinder actuation movement mechanism, air cylinder driven motion straight line motion.But existing atmospheric control is when controlling extraneous motion and rotating, and total is more complicated, volume is comparatively large, and installation and maintenance are inconvenient, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of rotary motion control system, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of rotary motion control system, comprise air feeder, first selector valve, second selector valve, first cylinder and the second cylinder, air feeder is communicated with the second selector valve with the first selector valve, first cylinder comprises first piston and first piston bar, the both sides of first piston are respectively equipped with the first air cavity and the second air cavity, second cylinder comprises the second piston and the second piston rod, the both sides of the second piston are respectively equipped with the 3rd air cavity and the 4th air cavity, first air cavity is connected with the 4th air cavity, second air cavity is connected with the 3rd air cavity, one end of first piston bar is positioned at the second air cavity, one end of second piston rod is positioned at the 4th air cavity, first selector valve is corresponding with the first air cavity to be arranged, second selector valve is corresponding with the 3rd air cavity to be arranged, the moving direction of first piston bar and the second piston rod is contrary.
The invention has the beneficial effects as follows: be provided with the first selector valve and the second selector valve, the air inflow of each air cavity in the first cylinder and the second cylinder can be controlled, thus control the movement direction of first piston and the second piston; First cylinder is intersected with the air cavity in the second cylinder and is connected, make first piston bar contrary with the second piston rod moving direction, thus, can make first piston bar and the second piston rod that extraneous moving element can be driven to rotate, structure is simple; By the rotary motion to the extraneous moving element of the control realization of selector valve, it is convenient to control.
In some embodiments, first piston is provided with the first tapered sleeve, and the first tapered sleeve and first piston bar lay respectively at the relative both sides of first piston, and the first tapered sleeve is positioned at the first air cavity, and the first tapered sleeve is corresponding with the first selector valve to be arranged.Thus, be provided with the first tapered sleeve and first piston can be made when moving to the first selector valve place, the first tapered sleeve can promote the first selector valve and commutate, and then controls the air inflow in corresponding air cavity, changes the moving direction of first piston bar, convenient control.
In some embodiments, the second piston is provided with the second tapered sleeve, and the second tapered sleeve and the second piston rod lay respectively at the both sides of the second piston, and the second tapered sleeve is positioned at the 3rd air cavity, and the second tapered sleeve is corresponding with the second selector valve to be arranged.Thus, be provided with the second tapered sleeve and the second piston can be made when moving to the second selector valve place, the second tapered sleeve can promote the second selector valve and commutate, and then controls the air inflow in corresponding air cavity, changes the moving direction of the second piston rod, convenient control.
In some embodiments, first selector valve can comprise the first valve body and the first spool, first valve core housing is located in the first valve body, first spool is provided with the first intercommunicating pore, first valve body is provided with the first suction port and the first gas returning port, first suction port and the first gas returning port are all corresponding with the first intercommunicating pore, and one end of the first spool is positioned at the first air cavity, corresponding with the first tapered sleeve.Thus, the first spool is provided with the first intercommunicating pore, by the movement of the first spool, the first suction port or the first gas returning port is connected with the first intercommunicating pore, thus makes the first air cavity air inlet or exhaust, the moving direction of more convenient control first piston and first piston bar.
In some embodiments, second selector valve comprises the second valve body and the second spool, second valve core housing is located in the second valve body, second spool is provided with the second intercommunicating pore, second valve body is provided with the second suction port and the second gas returning port, second suction port and the second gas returning port are all corresponding with the second intercommunicating pore, and one end of the second spool is positioned at the 3rd air cavity, corresponding with the second tapered sleeve.Thus, the second spool is provided with the second intercommunicating pore, by the movement of the second spool, the second suction port or the second gas returning port is connected with the second intercommunicating pore, thus makes the 3rd air cavity air inlet or exhaust, the moving direction of more convenient control second piston and the second piston rod.
In some embodiments, the radial cross section of the first tapered sleeve is isosceles trapezoid, and the bottom of the first tapered sleeve is located on first piston, and the radial width of the first tapered sleeve bottom is greater than the radial width on top.Thus, facilitate the first tapered sleeve better to promote the first spool, make the first selector valve realize commutation, ensure that normal commutation.
In some embodiments, the radial cross section of the second tapered sleeve is isosceles trapezoid, and the bottom of the second tapered sleeve is located on the second piston, and the radial width of the second tapered sleeve bottom is greater than the radial width on top.Thus, facilitate the second tapered sleeve better to promote the second spool, make the second selector valve realize commutation, ensure that normal commutation.
In some embodiments, air feeder comprises source of the gas and air regulator, and source of the gas is connected with air regulator, and air regulator is connected with the second selector valve with the first selector valve.Thus, be provided with source of the gas and can provide enough gas for the movement of the first cylinder and the second cylinder; Be provided with the pressure that air regulator can increase gas, ensure that the gas of source of the gas can normally enter in the first cylinder and the second cylinder, ensure that the normal movement of first piston bar and the second piston rod.
In some embodiments, air feeder can also comprise series flow control valve, and air regulator is connected with the second selector valve with the first selector valve by series flow control valve.Be provided with series flow control valve, can increase or reduce the intake velocity of the first cylinder and the second cylinder, thus control the travelling speed of first piston bar and the second piston rod, achieve the control of moving element rotational velocity to external world.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of mode of execution of rotary motion control system of the present invention;
Fig. 2 is the structural representation of the first selector valve in rotary motion control system of the present invention;
Fig. 3 is the structural representation of the second selector valve in rotary motion control system of the present invention;
Fig. 4 is the structural representation that the first selector valve in rotary motion control system of the present invention acts on mutually with the first cylinder;
Fig. 5 is the structural representation that the second selector valve in rotary motion control system of the present invention acts on mutually with the second cylinder.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
With reference to Fig. 1, rotary motion control system, comprise air feeder 1, first selector valve 2, second selector valve 3, first cylinder 4 and the second cylinder 5, air feeder 1 is communicated with the second selector valve 3 with the first selector valve 2.First cylinder 4 comprises first piston 41 and first piston bar 42, and the both sides of first piston 41 are respectively equipped with the first air cavity 6 and the second air cavity 7, first air cavity 6 and the second air cavity 7 and are separated by first piston 41.One end of first piston bar 42 is positioned at the second air cavity 7, and is set in first piston 41 internal fixtion, and the cylinder body that the other end stretches out the first cylinder 4 is outside, is connected with the rotating moving part in the external world.Wherein, air feeder 1 comprises source of the gas 11 and air regulator 12, and source of the gas 11 is connected by tracheae with air regulator 12, and air regulator 12 is connected with the second selector valve 3 with the first selector valve 2.
Air feeder 1 also comprises series flow control valve 13, and air regulator 12 is connected with the second selector valve 3 with the first selector valve 2 by series flow control valve 13.
The both sides that second cylinder 5 comprises the second piston 51 and the second piston rod 52, second piston 51 are respectively equipped with the 3rd air cavity 8 and the 4th air cavity the 9, three air cavity 8 and the 4th air cavity 9 and are separated by the second piston 51.The sidewall of the first cylinder 4 and the second cylinder 5 offers through hole, and the first air cavity 6 is connected by tracheae with the 4th air cavity 9, and the second air cavity 7 is connected by tracheae with the 3rd air cavity 8.One end of second piston rod 52 is positioned at the 4th air cavity 9, and is set in the second piston 51 internal fixtion, and it is outside that the other end is positioned at the second cylinder 5, is connected with the rotating moving part in the external world.First air cavity 6 is connected with the 4th air cavity 9, and the gas in the first air cavity 6 can be made mutually to be circulated by the gas in tracheae and the 4th air cavity 9; Second air cavity 7 is connected with the 3rd air cavity 8, and the gas in the second air cavity 7 and the 3rd air cavity 8 can be made mutually to be circulated by tracheae.
In order to ensure that extraneous rotating moving part can realize rotating, one end of stretching out cylinder body outside of first piston bar 42 is hinged with first connecting rod 30, one end of stretching out cylinder body outside of second piston rod 52 is hinged with second connecting rod 40, one end of first connecting rod 30 and second connecting rod 40 is all fixed on the rotatingshaft of extraneous rotating moving part, and first connecting rod 30 is fixedly connected with the two ends of the rotatingshaft of rotating moving part respectively with second connecting rod 40, meanwhile, the first cylinder 4 and the second cylinder 5 also swing in telescopic process under the effect of reaction force.When first piston bar 42 stretches out, promote first connecting rod 30 driven rotary moving element and rotate, now, second connecting rod 40 drives the second piston rod 52 to retract; When first piston bar 42 reaches maximum, the second piston rod 52 is retracted to maximum.In like manner, after selector valve commutation, the second piston rod 52 stretches out, and first piston bar 42 is retracted, and under the cooperation of inertial force, two cylinders are alternately flexible, promote rotating moving part and rotate continuously.
First selector valve 2 is corresponding with the first air cavity 6 to be arranged, and namely when the first selector valve 2 air inlet, gas enters in the first air cavity 6 of the first cylinder 4.Second selector valve 3 is corresponding with the 3rd air cavity 8 to be arranged, and namely when the second scavenging air valve 3 air inlet, gas enters in the 3rd air cavity 8 of the second cylinder 5.In use, first piston bar 42 is consistent with the installation direction of the second piston rod 52, when making the first air cavity 6 and the 4th air cavity 9 air inlet, or when the second air cavity 7 and the 3rd air cavity 8 air inlet, the moving direction of first piston bar 42 and the second piston rod 52 keeps contrary.Thus, can ensure under gas pressure, when one of them of both first piston bar 42 and the second piston rod 52 is protruding, another is inwardly retracted, and makes extraneous moving element, as wheel, under its effect, keeps continuous rotating motion.Extraneous moving element is driven to rotate by the change of air pressure, avoid resources such as using fuel oil, reach the effect of energy-conserving and environment-protective, drive extraneous moving element to rotate by first piston bar 42 and the second piston rod 52 simultaneously, larger output torque can be provided, convenient control, and motion conveying is stable.
First piston 41 side is connected with the relative both sides that the first tapered sleeve 10, first tapered sleeve 10 and first piston bar 42 lay respectively at first piston 41, and the first tapered sleeve 10 is positioned at the first air cavity 6.First tapered sleeve 10 is corresponding with the first selector valve 2 to be arranged, and namely when first piston 41 moves to the first selector valve 2 place, the first tapered sleeve 10 can promote the first selector valve 2 and commutate.The radial cross section of the first tapered sleeve 10 is isosceles trapezoid, and the bottom of the first tapered sleeve 10 is located on first piston 41, and the radial width of the first tapered sleeve 10 bottom is greater than the radial width on top, facilitates the first selector valve 2 to commutate, easy to use.
Second piston 51 side is fixedly connected with the relative both sides that the second tapered sleeve 20, second tapered sleeve 20 and the second piston rod 52 lay respectively at the second piston 51, and the second tapered sleeve 20 is positioned at the 3rd air cavity 8.Second tapered sleeve 20 is corresponding with the second selector valve 3 to be arranged, and namely when the second piston 51 moves to the second selector valve 2 place, the second tapered sleeve 20 can promote the second selector valve 3 and commutate.The radial cross section of the second tapered sleeve 20 is isosceles trapezoid, and the bottom of the second tapered sleeve 20 is located on the second piston 51, and the radial width of the second tapered sleeve 20 bottom is greater than the radial width on top, facilitates the second selector valve 3 to commutate, easy to use.
As shown in Figures 1 to 5, the first selector valve 2 comprises the first valve body 21 and the first spool 22, first spool 22 is set in the first valve body 21, one end of first spool 22 is positioned at the first air cavity 6, corresponding with the first tapered sleeve 10, namely the first tapered sleeve 10 promotes the first spool 22, and the first selector valve 2 is commutated.First spool 22 offers and the first intercommunicating pore 221, first valve body 21 offers the below that the first suction port 211 and the first gas returning port 212, first suction port 211 are positioned at the first gas returning port 212.First suction port 211 and the first gas returning port 212 all corresponding with the first intercommunicating pore 221, namely when the first spool 22 moves to the first gas returning port 212 direction, first intercommunicating pore 221 can be connected with the first gas returning port 212, and the gas in the first air cavity 6 is flowed out through the first gas returning port 212; When the first spool 22 continues to move to the first suction port 211 direction, the first intercommunicating pore 221 can be connected with the first suction port 211, and gas enters in the first air cavity 6 through the first suction port 211.
Second selector valve 3 comprises the second valve body 31 and the second spool 32, second spool 32 is set in the second valve body 31, and one end of the second spool 32 is positioned at the 3rd air cavity 8, corresponding with the second tapered sleeve 20, namely the second tapered sleeve 20 promotes the second spool 32, and the second selector valve 3 is commutated.Second spool 32 offers and the second intercommunicating pore 321, second valve body 31 offers the below that the second suction port 311 and the second gas returning port 312, second suction port 311 are positioned at the second gas returning port 312.Second suction port 311 and the second gas returning port 312 all corresponding with the second intercommunicating pore 321, namely when the second spool 32 moves to the second gas returning port 312 direction, second gas returning port 312 can be connected with the second intercommunicating pore 321, and the gas in the 3rd air cavity 8 is flowed out through the second gas returning port 312; When the second spool 32 continues to move to the second suction port 311 direction, the second intercommunicating pore 321 can be connected with the second suction port 311, and gas enters in the 3rd air cavity 8 through the second suction port 311.
Operationally, first piston bar 42 is connected with extraneous rotary component with the outer end of the second piston rod 52 rotary motion control system of the present invention, and pressurized air enters into air regulator 12 and series flow control valve 13 by source of the gas 11.Series flow control valve 13 is opened, pressurized air enters into the first selector valve 2 through series flow control valve 13, pressurized air enters in the first air cavity 6 through the first suction port 211 and the first intercommunicating pore 221, gas in first air cavity 6 enters in the 4th air cavity 9 again, now, first piston bar 42 stretches out gradually, and the second piston rod 52 is retracted gradually, and the extraneous moving element connected is rotated.Along with the gas in the first air cavity 6 and the 4th air cavity 9 increases gradually, air pressure strengthens gradually, under the effect of the air pressure in the first air cavity 6, first spool 21 moves to bottom direction gradually, second spool 32 moves to top-direction gradually, and the first suction port 211 disconnects gradually with the first intercommunicating pore 221 and being communicated with.When the second piston 51 of the second cylinder 5 is retracted to the position of the second spool 32, the second tapered sleeve 20 promotes the second spool 32 gradually, and the second selector valve 3 is commutated, and the first suction port 211 disconnects with the first intercommunicating pore 221 and being communicated with.
In like manner, after the second selector valve 3 commutates, pressurized air enters in the 3rd air cavity 8 through the second selector valve 3, gas in 3rd air cavity 8 enters in the second air cavity 7, and now, the second piston rod 52 stretches out gradually, first piston bar 42 is retracted gradually, promotes the extraneous moving element connected and is rotated further.Along with the 3rd its go the rising of the air pressure in high 8, the second spool 32 moves to bottom direction gradually, and the first spool 21 moves to top-direction gradually, and the second suction port 311 disconnects gradually with the second intercommunicating pore 321 and being communicated with.When the first piston 41 of the first cylinder 4 is retracted to the position at the first spool 21 place, the first tapered sleeve 10 promotes the first spool 21, and the first selector valve 2 is commutated, and the second suction port 311 disconnects with the second intercommunicating pore 321 and being communicated with.
In order to improve the rotational velocity of extraneous moving element, the opening of series flow control valve 13 can be increased, increasing pressurized air inlet, the air pressure in the first cylinder 4 and the second cylinder 5 is changed rapidly, improve the travelling speed of first piston bar 42 and the second piston rod 52.In like manner, when needing the rotational velocity reducing extraneous moving element, reduce the opening of series flow control valve 13, reduce air inflow, facilitate control and the adjustment of speed.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. rotary motion control system, wherein, comprise air feeder (1), first selector valve (2), second selector valve (3), first cylinder (4) and the second cylinder (5), described air feeder (1) is communicated with the second selector valve (3) with the first selector valve (2), described first cylinder (4) comprises first piston (41) and first piston bar (42), the both sides of described first piston (41) are respectively equipped with the first air cavity (6) and the second air cavity (7), described second cylinder (5) comprises the second piston (51) and the second piston rod (52), the both sides of described second piston (51) are respectively equipped with the 3rd air cavity (8) and the 4th air cavity (9), described first air cavity (6) is connected with the 4th air cavity (9), described second air cavity (7) is connected with the 3rd air cavity (8), one end of described first piston bar (42) is positioned at the second air cavity (7), one end of described second piston rod (52) is positioned at the 4th air cavity (9), described first selector valve (2) is corresponding with the first air cavity (6) to be arranged, described second selector valve (3) is corresponding with the 3rd air cavity (8) to be arranged, the moving direction of described first piston bar (42) and the second piston rod (52) is contrary.
2. rotary motion control system according to claim 1, wherein, described first piston (41) is provided with the first tapered sleeve (10), described first tapered sleeve (10) and first piston bar (42) lay respectively at the relative both sides of first piston (41), described first tapered sleeve (10) is positioned at the first air cavity (6), and described first tapered sleeve (10) is corresponding with the first selector valve (2) to be arranged.
3. rotary motion control system according to claim 2, wherein, described second piston (51) is provided with the second tapered sleeve (20), described second tapered sleeve (20) and the second piston rod (52) lay respectively at the both sides of the second piston (51), described second tapered sleeve (20) is positioned at the 3rd air cavity (8), and described second tapered sleeve (20) is corresponding with the second selector valve (3) to be arranged.
4. rotary motion control system according to claim 2, wherein, described first selector valve (2) comprises the first valve body (21) and the first spool (22), described first spool (22) is set in the first valve body (21), described first spool (22) is provided with the first intercommunicating pore (221), described first valve body (21) is provided with the first suction port (211) and the first gas returning port (212), described first suction port (211) and the first gas returning port (212) are all corresponding with the first intercommunicating pore (221), one end of described first spool (22) is positioned at the first air cavity (6), corresponding with the first tapered sleeve (10).
5. rotary motion control system according to claim 3, wherein, described second selector valve (3) comprises the second valve body (31) and the second spool (32), described second spool (32) is set in the second valve body (31), described second spool (32) is provided with the second intercommunicating pore (321), described second valve body (31) is provided with the second suction port (311) and the second gas returning port (312), described second suction port (311) and the second gas returning port (312) are all corresponding with the second intercommunicating pore (321), one end of described second spool (32) is positioned at the 3rd air cavity (8), corresponding with the second tapered sleeve (20).
6. rotary motion control system according to claim 4, wherein, the radial cross section of described first tapered sleeve (10) is isosceles trapezoid, the bottom of described first tapered sleeve (10) is located on first piston (41), and the radial width of described first tapered sleeve (10) bottom is greater than the radial width on top.
7. rotary motion control system according to claim 5, wherein, the radial cross section of described second tapered sleeve (20) is isosceles trapezoid, the bottom of described second tapered sleeve (20) is located on the second piston (51), and the radial width of described second tapered sleeve (20) bottom is greater than the radial width on top.
8. the rotary motion control system according to any one of claim 1 ~ 7, wherein, described air feeder (1) comprises source of the gas (11) and air regulator (12), described source of the gas (11) is connected with air regulator (12), and described air regulator (12) is connected with the second selector valve (3) with the first selector valve (2).
9. rotary motion control system according to claim 8, wherein, described air feeder (1) also comprises series flow control valve (13), and described air regulator (12) is connected with the second selector valve (3) with the first selector valve (2) by series flow control valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593457.8A CN104454710B (en) | 2014-10-29 | 2014-10-29 | Rotating movement control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593457.8A CN104454710B (en) | 2014-10-29 | 2014-10-29 | Rotating movement control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104454710A true CN104454710A (en) | 2015-03-25 |
| CN104454710B CN104454710B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593457.8A Active CN104454710B (en) | 2014-10-29 | 2014-10-29 | Rotating movement control system |
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| Country | Link |
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| CN (1) | CN104454710B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930010A (en) * | 2015-06-01 | 2015-09-23 | 吴家集 | Hydraulic system of vibrating pile driver |
| ES2641908A1 (en) * | 2016-05-11 | 2017-11-14 | Universidade Da Coruña | Discontinuous alternative force converter to continuous rotating torque and operation procedure thereof (Machine-translation by Google Translate, not legally binding) |
| CN110332169A (en) * | 2019-08-14 | 2019-10-15 | 广东明晖气动科技有限公司 | Air operated reversing valve |
| CN111923081A (en) * | 2020-09-22 | 2020-11-13 | 佛山市鼎吉包装技术有限公司 | Double-cylinder push-pull driving device for driving clamping jaw at tail end of mechanical arm to rotate |
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| GB819864A (en) * | 1955-06-08 | 1959-09-09 | Taylor & Sons Manchester Ltd F | Improvements in or relating to slewing motors for jibbed machines and the like |
| US2947317A (en) * | 1953-06-12 | 1960-08-02 | Electraulic Presses Ltd | Unloading valves for hydraulic pumps |
| DE1300407B (en) * | 1966-05-06 | 1969-07-31 | Molle Raoul Desire Josef | Control for a pressurized stepping mechanism |
| US6193002B1 (en) * | 1996-09-25 | 2001-02-27 | Plustech Oy | Actuator for accomplishing the swinging motion of a swinging arm |
| CN2466409Y (en) * | 2001-02-22 | 2001-12-19 | 天津市蓬拓科技有限公司 | Automatic reciprocating hydraulic cylinder driven rotating mechanism |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2947317A (en) * | 1953-06-12 | 1960-08-02 | Electraulic Presses Ltd | Unloading valves for hydraulic pumps |
| GB819864A (en) * | 1955-06-08 | 1959-09-09 | Taylor & Sons Manchester Ltd F | Improvements in or relating to slewing motors for jibbed machines and the like |
| DE1300407B (en) * | 1966-05-06 | 1969-07-31 | Molle Raoul Desire Josef | Control for a pressurized stepping mechanism |
| US6193002B1 (en) * | 1996-09-25 | 2001-02-27 | Plustech Oy | Actuator for accomplishing the swinging motion of a swinging arm |
| CN2466409Y (en) * | 2001-02-22 | 2001-12-19 | 天津市蓬拓科技有限公司 | Automatic reciprocating hydraulic cylinder driven rotating mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930010A (en) * | 2015-06-01 | 2015-09-23 | 吴家集 | Hydraulic system of vibrating pile driver |
| ES2641908A1 (en) * | 2016-05-11 | 2017-11-14 | Universidade Da Coruña | Discontinuous alternative force converter to continuous rotating torque and operation procedure thereof (Machine-translation by Google Translate, not legally binding) |
| CN110332169A (en) * | 2019-08-14 | 2019-10-15 | 广东明晖气动科技有限公司 | Air operated reversing valve |
| CN110332169B (en) * | 2019-08-14 | 2024-04-02 | 广东明晖气动科技有限公司 | Pneumatic reversing valve |
| CN111923081A (en) * | 2020-09-22 | 2020-11-13 | 佛山市鼎吉包装技术有限公司 | Double-cylinder push-pull driving device for driving clamping jaw at tail end of mechanical arm to rotate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104454710B (en) | 2017-01-18 |
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