CN108999834A - Automatic reverse formula linear actuator for agricultural machinery - Google Patents
Automatic reverse formula linear actuator for agricultural machinery Download PDFInfo
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- CN108999834A CN108999834A CN201811028567.4A CN201811028567A CN108999834A CN 108999834 A CN108999834 A CN 108999834A CN 201811028567 A CN201811028567 A CN 201811028567A CN 108999834 A CN108999834 A CN 108999834A
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- Prior art keywords
- reciprocator
- cylinder cap
- cylinder
- piston
- air inlet
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
Abstract
The present invention provides the automatic reverse formula linear actuators for agricultural machinery, including admission line, exhaust pipe, cylinder body, reciprocating apparatus, piston rod, the admission line and exhaust pipe provides gas with reciprocating apparatus is merged into, the reciprocating apparatus is set in cylinder body and reciprocating apparatus using gas as power source and draws piston rod along piston rod to moving reciprocatingly, the cylinder body includes cylinder barrel, the cylinder barrel is the circular tube structure of both ends open, one opening Matching installation of cylinder barrel has cylinder cap one, another opening Matching installation cylinder cap two, the reciprocating apparatus includes reciprocator, piston, the reciprocator is provided with two groups and respectively reciprocator one, reciprocator two, connection relationship between reciprocator one and cylinder cap one, connection relationship between reciprocator two and cylinder cap two is consistent.
Description
Technical field
The present invention relates to a kind of automatic reverse formula linear actuators.
Background technique
Industry linear actuator, which is mainly used for pushing, at present makees or pulls to make, and linear actuator is made of hydraulic cylinder and cylinder, linear actuator
It is widely used in industrial system greatly with of simple structure and low cost, active force, however since prolonged application demand is simpler
Single, linear actuator technological innovation is slower；Industry mechanical arm requires equipment volume small, and manner is flexible, generally in high load capacity, Gao Cheng
It cannot work in the case where carrying power, the application development of manipulator needs the promotion of base application technology, wherein structure composition and biography
The promotion of flowing mode stands in the breach.
Summary of the invention
To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of automatic reverse formula linear actuators, to solve
The problem of mentioning in above-mentioned background, this linear actuator is not only environmentally friendly and reduces energy consumption but also reduces job costs, while piston
The commutation process of bar automates.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
For the automatic reverse formula linear actuator of agricultural machinery, including admission line, exhaust pipe, cylinder body, reciprocating apparatus, work
Stopper rod, the admission line and exhaust pipe provide gas with reciprocating apparatus is merged into, and the reciprocating apparatus is set to cylinder
In vivo and reciprocating apparatus using gas as power source and draws piston rod along piston rod to moving reciprocatingly；
The cylinder body includes cylinder barrel, and the cylinder barrel is the circular tube structure of both ends open, an opening matching peace of cylinder barrel
Equipped with cylinder cap one, another opening Matching installation cylinder cap two；
The cylinder cap one is open at one end, the closed circular tube structure of the other end, and the open end of cylinder cap one is coaxially fixed to pacify
Loaded on cylinder barrel, the closed end of cylinder cap one coaxially offers the avoid holes one through its thickness, the periphery of cylinder cap one offer with
Air inlet one, gas vent one and the air inlet one that the connection of its inner cavity is connected are close close to the closed end of cylinder cap one, gas vent one
Cylinder barrel, the periphery of cylinder cap one is also provided with the mounting hole one that connection is connect with its inner cavity and gas vent one is located at mounting hole one
Between air inlet one；
The cylinder cap two is open at one end, the closed circular tube structure of the other end, and the open end of cylinder cap two is coaxially fixed to pacify
Loaded on cylinder barrel, the closed end of cylinder cap two coaxially offers the avoid holes two through its thickness, the periphery of cylinder cap two offer with
Air inlet two, gas vent two and the air inlet two that the connection of its inner cavity is connected are close close to the closed end of cylinder cap two, gas vent two
Cylinder barrel, the periphery of cylinder cap two is also provided with the mounting hole two that connection is connect with its inner cavity and gas vent two is located at mounting hole two
Between air inlet two；
The reciprocating apparatus includes reciprocator, piston, and the reciprocator includes reciprocal triggering component, limit component,
The limit component is used to limit the movement of reciprocal triggering component, and the reciprocal triggering component is for receiving piston along cylinder barrel
It is axially moved pushing power and switching pushing completion status under power or so for generation；
The reciprocal triggering component includes trigger column, and the trigger column is that two sections of coaxial waney cylinders constitute and divide
It Wei not glissile segment, circulation section；
The glissile segment is open at one end, the closed circular tube structure of the other end and closed end is coaxially offered through it
The stretching hole of thickness, glissile segment are sheathed on inside the cylinder cap two and closed end of glissile segment towards the closed end of cylinder cap two and slide
It constitutes sealed slide-and-guide between dynamic section and cylinder cap two to cooperate, the periphery of glissile segment is additionally provided with through its thickness and is in
Coaxially arranged air inlet three, gas vent three, the three/gas vent of air inlet three be respectively positioned on air inlet two and gas vent two it
Between and air inlet three is located parallel on the same straight line of cylinder barrel axial direction with air inlet two, gas vent three is located at gas vent two
It is parallel on the same straight line of cylinder barrel axial direction, the periphery of glissile segment is also coaxially arranged with the limiting slot of structure annular in shape；
The circulation section is the circular tube structure of both ends open, and circulation section, which is set in cylinder barrel, and circulation section is coaxially fixed connects
The outer diameter for being connected to the open end of glissile segment and the section that circulates is greater than the outer diameter of glissile segment, and the periphery for the section that circulates offers and it
The recirculation hole that inner cavity connection is connected, the recirculation hole have several along the circumferencial direction array of circulation section；
The limit component, which is located at, to be set in the mounting hole two of cylinder cap two, and limit component is located at the installation for being set to cylinder cap two
In hole two, limit component includes spacing ball, fixed block, limit spring, the spacing ball and is set to glissile segment periphery
Limiting slot matches, the fixed block is detachable be installed in mounting hole two and fixed block close to cylinder cap two outer circle
Face, the limit spring are set between fixed block and spacing ball, one end of limit spring and fixed block contradict, the other end with
Spacing ball contradicts, and the elastic force of limit spring is arranged close to spacing ball in glissile segment periphery along the axial direction of mounting hole two
The movement of limiting slot.
Further improvement as the technical program.
The reciprocator is provided with two groups and respectively reciprocator one, reciprocator two, reciprocator one with
Connection relationship, reciprocator two between cylinder cap one is consistent with the connection relationship between cylinder cap two；
The motion state of the reciprocator one is divided into the initial shape of air-suction state one, exhaust condition one and reciprocator one
State is air-suction state one, when reciprocator one be in air-suction state for the moment, the air inlet three of reciprocator one and cylinder cap one into
The connection of stomata one is connected, when reciprocator one is in exhaust condition a period of time, the gas vent three of reciprocator one and the row of cylinder cap one
The connection of stomata one is connected；
The motion state of the reciprocator two is divided into the initial shape of air-suction state two, exhaust condition two and reciprocator two
State is exhaust condition two, when reciprocator two be in air-suction state two, the air inlet three of reciprocator two and cylinder cap two into
The connection of stomata two is connected, when reciprocator two is in exhaust condition, the exhaust of the gas vent three and cylinder cap two of reciprocator two
The connection of hole two is connected.
Further improvement as the technical program.
Between the piston rod and cylinder barrel in coaxially arranged and piston rod one end be connecting pin, the other end is installation
End, the connecting pin of piston rod are located at the side that cylinder cap one deviates from cylinder barrel, and the installation end of piston rod is disposed through keeping away for cylinder cap one
Allow hole one, be set to reciprocator one stretching hole, be set to the stretching hole of reciprocator two, be set to the avoid holes of cylinder cap two
Two and it is located at the side that cylinder cap two deviates from cylinder barrel, stretching hole/reciprocator two of piston rod and one/reciprocator of avoid holes two
It stretches out between hole/avoid holes two and constitutes sealed slide-and-guide cooperation；
It is provided with connecting rod between the reciprocator one and reciprocator two, the extending direction of the connecting rod is parallel to
The axial direction of cylinder barrel, one end of connecting rod is fixedly connected with the circulation section of reciprocator one, the circulation of the other end and reciprocator two
Section is fixedly connected；
The piston bush is set in cylinder barrel, and piston offers the sleeve joint hole through its thickness, fixation hole, and piston passes through fixation hole
It is fixedly sheathed in outside piston rod and piston passes through sleeve joint hole pivot bush unit outside connecting rod, between piston and cylinder barrel, live
Sealed slide-and-guide is constituted between plug and connecting rod to cooperate, and sealed cooperation is constituted between piston and piston rod；
The connecting rod is provided with two groups and two groups of connecting rods are located at the side of piston rod, and described is set to piston
Sleeve joint hole be correspondingly arranged on two groups；
The piston is axial along cylinder barrel and the inner cavity of cylinder barrel is divided into the two parts mutually disconnected and is respectively close to reciprocal
The sealed chamber one of mechanism one, the sealed chamber two close to reciprocator two.
The beneficial effect of the present invention compared with prior art is that the present invention draws piston rod along itself by reciprocating apparatus
It axially moves reciprocatingly, reciprocating apparatus is power source using air and makes piston draw piston rod to move synchronously, not only environmentally friendly and drop
Low energy consumption and job costs are reduced, while piston motion and to transmit spring and be in compressive state, when transmitting spring
Elastic force when being greater than limit component to the restraint of reciprocal triggering component, limit component cancels the limit to reciprocal triggering component simultaneously
And the elastic force for transmitting spring makes one/reciprocator of reciprocator, two carry out state switching, one/reciprocator of reciprocator two with
The power that the elastic force of transmitting spring switches as state, so that the stateful switchover process of one/reciprocator of reciprocator two is more
It is steady smooth, and the commutation process automation of piston rod.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is schematic diagram of internal structure of the invention.
Fig. 3 is the cross-sectional view of cylinder body of the invention.
Fig. 4 is the cooperation figure of admission line of the invention, exhaust pipe, cylinder body.
Fig. 5 is the cooperation figure of cylinder cap two and limit component of the invention.
Fig. 6 is the cooperation figure of reciprocating apparatus and piston rod of the invention.
Fig. 7 is the cooperation figure of cylinder body and trigger column of the invention.
Fig. 8 is the cross-sectional view of trigger column of the invention.
Fig. 9 is the cooperation figure of reciprocator one and reciprocator two of the invention.
It is denoted as in figure:
100, admission line；110, air inlet tee tube；120, air inlet pipe one；130, air inlet pipe two；
200, exhaust pipe；210, process steam line-vent T-connection；220, exhaust pipe one；230, exhaust pipe two；
300, cylinder body；310, cylinder barrel；320, cylinder cap one；321, avoid holes one；322, air inlet one；323, gas vent one；324,
Mounting hole one；330, cylinder cap two；331, avoid holes two；332, air inlet two；333, gas vent two；334, mounting hole two；
400, reciprocating apparatus；
410, reciprocal triggering component；4110, glissile segment；4111, hole is stretched out；4112, air inlet three；4113, gas vent three；
4114, limiting slot；4120, circulate section；4121, recirculation hole；
420, spring is transmitted；
430, limit component；431, spacing ball；432, fixed block；433, limit spring；
440, connecting rod；450, piston；460, bumper ring；
500, piston rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
The present invention is axially moved reciprocatingly along itself by reciprocating apparatus traction piston rod and is advantageous in that, reciprocating apparatus
Using air as power source and make piston draw piston rod move synchronously, not only environmental protection and reduce energy consumption but also reduce work
Cost, at the same piston motion and make transmit spring be in compressive state, when transmitting spring elastic force greater than limit component to past
When the restraint of multiple triggering component, limit component revocation makes the elastic force for limiting and transmitting spring of reciprocal triggering component past
It answers a pager's call one/reciprocator of structure, two carry out state switching, one/reciprocator of reciprocator two is to transmit the elastic force of spring as state
The power of switching so that the stateful switchover process of one/reciprocator of reciprocator two more it is steady smoothly, and piston rod changes
To process automation.
As shown in figs 1-9, for the automatic reverse formula linear actuator of agricultural machinery, including admission line 100, exhaust pipe
200, cylinder body 300, reciprocating apparatus 400, piston rod 500, the admission line 100 and exhaust pipe 200 are reciprocal with merging into
Device 400 provides gas, and the reciprocating apparatus 400 is set in cylinder body 300 and reciprocating apparatus 400 is using gas as power source
And it draws piston rod 500 and axially moves reciprocatingly along piston rod 500.
As shown in figure 3, above-mentioned cylinder body 300 includes cylinder barrel 310, the cylinder barrel 310 is the circular cylinder body of both ends open
One opening Matching installation of structure, cylinder barrel 310 has cylinder cap 1, another opening Matching installation cylinder cap 2 330.
The cylinder cap 1 is open at one end, the closed circular tube structure of the other end, the open end of cylinder cap 1
It coaxially is fixedly installed in cylinder barrel 310, the closed end of cylinder cap 1 coaxially offers the avoid holes 1 through its thickness, cylinder cap
One 320 periphery offers air inlet 1, gas vent 1 and the air inlet 1 for connecting and connecting with its inner cavity and leans on
Closely close to cylinder barrel 310, the periphery of cylinder cap 1 is also provided with and its inner cavity for the closed end of cylinder cap 1, gas vent 1
The mounting hole 1 connected and gas vent 1 are connected between mounting hole 1 and air inlet 1.
The cylinder cap 2 330 is open at one end, the closed circular tube structure of the other end, the open end of cylinder cap 2 330
It coaxially is fixedly installed in cylinder barrel 310, the closed end of cylinder cap 2 330 coaxially offers the avoid holes 2 331 through its thickness, cylinder cap
2 330 periphery offers air inlet 2 332, gas vent 2 333 and the air inlet 2 332 for connecting and connecting with its inner cavity and leans on
Closely close to cylinder barrel 310, the periphery of cylinder cap 2 330 is also provided with and its inner cavity for the closed end of cylinder cap 2 330, gas vent 2 333
The mounting hole 2 334 connected and gas vent 2 333 are connected between mounting hole 2 334 and air inlet 2 332.
As shown in figure 4, the admission line 100 includes air inlet tee tube 110, air inlet pipe 1, air inlet pipe 2 130,
The air inlet tee tube 110 can be divided into two parts and respectively vertical pipe, horizontal tube, vertical pipe are vertically installed in horizontal tube
Middle position and between the two mutually connect and constitute T-type structure, the free end of vertical pipe connect connection with air feed equipment,
One end of the air inlet pipe 1 and one end connection connection, the other end and the air inlet for being set to cylinder cap 1 of horizontal tube
One 322 connections are connected, and one end of the air inlet pipe 2 130 and the other end of horizontal tube connect connection, the other end and be set to
The air inlet 2 332 of cylinder cap 2 330, which connects, to be connected.
The exhaust pipe 200 includes process steam line-vent T-connection 210, exhaust pipe 1, exhaust pipe 2 230, the exhaust
Tee tube 210 can be divided into two parts and respectively vertical flow tube, horizontal flow tube, vertical flow tube are vertically installed in horizontal flow tube
Middle position and between the two mutual connection simultaneously constitute T-type structure, one end and the horizontal flow tube of the exhaust pipe 1
One end connection is connected, the other end connect connection with the gas vent 1 for being set to cylinder cap 1, the exhaust pipe 2 230
One end connect connection, the other end with the other end of horizontal flow tube and connect connection with the gas vent 2 333 for being set to cylinder cap 2 330.
As shown in Fig. 2,5-9, above-mentioned reciprocating apparatus 400 includes reciprocator, piston 450, reciprocator's packet
Reciprocal triggering component 410, limit component 430 are included, the limit component 430 is used to limit the movement of reciprocal triggering component 410,
The reciprocal triggering component 410 be used for receive piston 450 along cylinder barrel 310 be axially moved generate push power and pushing power a left side
The switching of bottom right completion status.
The reciprocal triggering component 410 includes trigger column, and the trigger column is two sections of coaxial waney cylinder structures
At and respectively glissile segment 4110, circulation section 4120.
The glissile segment 4110 is open at one end, the closed circular tube structure of the other end and closed end coaxially opens up
Have through the stretching hole 4111 of its thickness, glissile segment 4110 is sheathed on the closed end court of 2 330 inside of cylinder cap and glissile segment 4110
To cylinder cap 2 330 closed end and the cooperation of sealed slide-and-guide, sliding are constituted between glissile segment 4110 and cylinder cap 2 330
The periphery of section 4110 is additionally provided with through its thickness and in coaxially arranged air inlet 3 4112, gas vent 3 4113, institute
3 4112/ gas vent 3 4113 of air inlet stated is respectively positioned between air inlet 2 332 and gas vent 2 333 and air inlet three
It 4112 is located parallel on the axial same straight line of cylinder barrel 310 with air inlet 2 332, gas vent 3 4113 and gas vent 2 333
It is located parallel on the axial same straight line of cylinder barrel 310, the periphery of glissile segment 4110 is also coaxially arranged with structure annular in shape
Limiting slot 4114.
The circulation section 4120 is the circular tube structure of both ends open, circulation section 4120 be set in cylinder barrel 310 and
Circulation section 4120 is fixedly and coaxially connected the open end in glissile segment 4110 and the outer diameter for the section 4120 that circulates is greater than glissile segment 4110
Outer diameter, circulation section 4120 periphery offer connect with its inner cavity connection recirculation hole 4121.
The limit component 430, which is located at, to be set in the mounting hole 2 334 of cylinder cap 2 330, and limit component 430 includes limit
Position ball 431, fixed block 432, limit spring 433, the spacing ball 431 and the limiting slot for being set to 4110 periphery of glissile segment
4114 match, and the fixed block 432 is detachable to be installed in mounting hole 2 334 and fixed block 432 is close to cylinder cap two
330 periphery, the limit spring 433 are set between fixed block 432 and spacing ball 431, one end of limit spring 433
It is contradicted with fixed block 432, the other end and the conflict of spacing ball 431, the elastic force of limit spring 433 make spacing ball 431 along mounting hole
2 334 axial direction is arranged close in the movement of the limiting slot 4114 of 4110 periphery of glissile segment.
The reciprocator is provided with two groups and respectively reciprocator one, reciprocator two, reciprocator one with
Connection relationship, reciprocator two between cylinder cap 1 is consistent with the connection relationship between cylinder cap 2 330.
It in coaxially arranged and piston rod 500 one end is connecting pin between the piston rod 500 and cylinder barrel 310, another
One end is installation end, and the connecting pin of piston rod 500 is located at the side that cylinder cap 1 deviates from cylinder barrel 310, the installation of piston rod 500
End is disposed through the avoid holes 1 of cylinder cap 1, the stretching hole 4111 for being set to reciprocator one, is set to reciprocating engine
The stretching hole 4111 of structure two, the avoid holes 2 331 for being set to cylinder cap 2 330 are simultaneously located at cylinder cap 2 330 deviates from cylinder barrel 310 one
The stretching hole 4111/ of stretching 4111/ reciprocator two of hole of side, piston rod 500 and one 321/ reciprocator two of avoid holes avoids
Sealed slide-and-guide cooperation is constituted between hole 2 331.
The motion state of the reciprocator one is divided into the first of air-suction state one, exhaust condition one and reciprocator one
Beginning state is air-suction state one, when reciprocator one is in air-suction state a period of time, the air inlet 3 4112 and cylinder of reciprocator one
The connection of air inlet 1 connection of lid 1 and the spacing ball 431 of reciprocator one are located at the limiting slot of reciprocator one
In 4114, when reciprocator one is in exhaust condition a period of time, the exhaust of the gas vent 3 4113 and cylinder cap 1 of reciprocator one
The connection of hole 1 is connected and the limiting slot 4114 of the spacing ball 431 of reciprocator one disengaging reciprocator one.
The motion state of the reciprocator two is divided into the first of air-suction state two, exhaust condition two and reciprocator two
Beginning state is exhaust condition two, when reciprocator two is in air-suction state two, the air inlet 3 4112 and cylinder of reciprocator two
The connection of air inlet 2 332 connection of lid 2 330 and the spacing ball 431 of reciprocator two are located at the limiting slot of reciprocator two
In 4114, when reciprocator two is in exhaust condition, the gas vent 3 4113 of reciprocator two and the gas vent of cylinder cap 2 330
2 333 connections are connected and the limiting slot 4114 of the spacing ball 431 of reciprocator two disengaging reciprocator two.
As shown in Fig. 6,9, connecting rod 440, the company are provided between above-mentioned reciprocator one and reciprocator two
The extending direction of extension bar 440 is parallel to the axial direction of cylinder barrel 310, one end of connecting rod 440 and the circulation section 4120 of reciprocator one
It is fixedly connected, the other end is fixedly connected with the circulation section 4120 of reciprocator two.
The piston 450 is sheathed in cylinder barrel 310, and piston 450 offers the sleeve joint hole through its thickness, fixation hole,
Piston 450 is fixedly sheathed in 500 outside of piston rod and piston 450 by sleeve joint hole pivot bush unit in connecting rod by fixation hole
Outside 440, sealed slide-and-guide cooperation is constituted between piston 450 and cylinder barrel 310, between piston 450 and connecting rod 440,
And sealed cooperation is constituted between piston 450 and piston rod 500.
The piston 450 it is axial along cylinder barrel 310 and by the inner cavity of cylinder barrel 310 be divided into the two parts mutually disconnected and
Respectively close to the sealed chamber one of reciprocator one, close to the sealed chamber two of reciprocator two.
In actual work, reciprocator one is in air-suction state one and reciprocator two is in exhaust condition two, gas supply
The gas that equipment provides passes through air inlet tee tube 110, air inlet pipe 1, the air inlet 1 for being set to cylinder cap 1, setting
In the air inlet 3 4112 of reciprocator one, reciprocator one trigger column inner cavity, be set to the recirculation hole of reciprocator one
4121 flow into the sealed chamber one of cylinder barrel 310, so that the pressure in the sealed chamber one of cylinder barrel 310 increases, so that
Piston 450 does the movement close to reciprocator two along the axial direction of cylinder barrel 310, and piston 450 moves and draws the synchronous fortune of piston rod 500
Dynamic, i.e. the connecting pin of piston rod 500 is done close to the movement of cylinder cap 1 and the installation end of piston rod 500 is done far from cylinder cap two
330 movement, while the air in the sealed chamber two of cylinder barrel 310 is by being set to the recirculation hole 4121, past of reciprocator two
Answer a pager's call structure two trigger column inner cavity, be set to the gas vent 3 4113 of reciprocator two, be set to the gas vent two of cylinder cap 2 330
333, exhaust pipe 2 230, process steam line-vent T-connection 210 are discharged；
Piston 450 is done in the motion process of reciprocator two along the axial direction of cylinder barrel 310, piston 450 and reciprocator two
The section 4120 that circulates contacts, when the limit that pushes power be greater than reciprocator two of the piston 450 to the circulation section 4120 of reciprocator two
When component 430 is to the restraint of the reciprocal triggering component 410 of reciprocator two, piston 450 moves that simultaneously to draw circulation section 4120 same
Step movement so that reciprocator two switches to air-suction state two by exhaust condition two, simultaneously because reciprocator one with it is past
It answers a pager's call and is provided with connecting rod 440 between structure and is fixedly connected between the two by connecting rod 440, so that reciprocating engine
Structure one switches to exhaust condition one by air-suction state one；
Air feed equipment continues to provide gas to air inlet tee tube 110, and gas passes through air inlet tee tube 110, air inlet pipe two at this time
130, the air inlet 2 332 of cylinder cap 2 330, the air inlet 3 4112 that is set to reciprocator two, reciprocator two are set to
Trigger column inner cavity, the recirculation hole 4121 for being set to reciprocator two flow into the sealed chamber two of cylinder barrel 310, so that cylinder barrel
Pressure in 310 sealed chamber two increases, so that piston 450 is done along the axial direction of cylinder barrel 310 close to reciprocator one
Movement, piston 450 move and draw piston rod 500 and move synchronously, i.e. the connecting pin of piston rod 500 is done far from cylinder cap 1
The installation end of movement and piston rod 500 does the movement close to cylinder cap 2 330, while the sky in the sealed chamber one of cylinder barrel 310
Gas is by being set to the recirculation hole 4121 of reciprocator one, the trigger column inner cavity of reciprocator one, being set to reciprocator one
Gas vent 3 4113, the gas vent 1 for being set to cylinder cap 1, exhaust pipe 1, process steam line-vent T-connection 210 are discharged；
Piston 450 is done in the motion process of reciprocator one along the axial direction of cylinder barrel 310, piston 450 and reciprocator one
The section 4120 that circulates contacts, when the limit that pushes power be greater than reciprocator one of the piston 450 to the circulation section 4120 of reciprocator one
When component 430 is to the restraint of the reciprocal triggering component 410 of reciprocator one, piston 450 moves that simultaneously to draw circulation section 4120 same
Step movement so that reciprocator one switches to air-suction state one by exhaust condition one, while make reciprocator two by into
Gaseity two switches to exhaust condition two；
Air feed equipment continues to provide gas to air inlet tee tube 110, and gas continues through air inlet tee tube 110, air inlet pipe at this time
One 120, the air inlet 1 of cylinder cap 1, the air inlet 3 4112 for being set to reciprocator one, reciprocator one are set to
Trigger column inner cavity, the recirculation hole 4121 that is set to reciprocator one flow into the sealed chamber one of cylinder barrel 310, it is so past
It is multiple.
More specifically, the reciprocator one and reciprocator two further include that coefficient of elasticity is less than limit spring
The transmitting spring 420 of 433 coefficient of elasticity, the transmitting spring 420 is for receiving piston 450 along the axial movement of cylinder barrel 310
What is generated pushes power and in the case where supporting thrust in compressive state, when the elastic force of transmitting spring 420 is right greater than limit component 430
When the restraint of reciprocal triggering component 410, axial direction of the reciprocal triggering component 410 of elastic traction along cylinder barrel 310 of spring 420 is transmitted
Movement.
The transmitting spring 420 of 420/ reciprocator two of transmitting spring of the reciprocator one is socketed on piston rod
500 outside, reciprocator one transmitting spring 420 one end and reciprocator one 4120 bottom of chamber of circulation section contradict and
The elastic force of the transmitting spring 420 of reciprocator one does the reciprocal triggering component 410 of reciprocator one along the axial direction of cylinder barrel 310
Movement close to one 320 closed end of cylinder cap, one end of the transmitting spring 420 of reciprocator two and the circulation section of reciprocator two
The elastic force of the conflict of 4120 bottom of chamber and the transmitting spring 420 of reciprocator two makes the reciprocal triggering component 410 of reciprocator two
The movement close to 2 330 closed end of cylinder cap is done along the axial direction of cylinder barrel 310.
The meaning of transmitting spring 420 is that piston 450 does being moved through close to reciprocator two along the axial direction of cylinder barrel 310
Cheng Zhong, since the coefficient of elasticity of the limit spring 433 of reciprocator two is greater than the elasticity system of the transmitting spring 420 of reciprocator two
Number, piston 450 contact with the transmitting spring 420 of reciprocator two and make so that the transmitting spring 420 of reciprocator two is in
Compressive state, when the elastic force of the transmitting spring 420 of reciprocator two is greater than the limit component 430 of reciprocator two to reciprocator
When the restraint of two reciprocal triggering component 410, reciprocator two transmitting spring 420 elastic traction reciprocator two it is past
Multiple triggering component 410 does the movement close to 2 330 closed end of cylinder cap along the axial direction of cylinder barrel 310 so that reciprocator two by
Exhaust condition two switches to air-suction state two, while reciprocator two moves through connecting rod 440 and draws reciprocator together
Step movement, so that reciprocator one switches to exhaust condition one by air-suction state one, if without transmitting spring 420, when past
When the connection answered a pager's call between the air inlet 3 4112 of structure two and the air inlet 2 332 of cylinder cap 2 330 connects area greater than zero, if this
When reciprocator two gas vent 3 4113 and cylinder cap 2 330 gas vent 2 333 be detached from connect, then the air inlet of reciprocator two
Connection connection area between hole 3 4112 and the air inlet 2 332 of cylinder cap 2 330 is smaller, influences the past of subsequent piston rod 500
Multiple movement, if the gas vent 3 4113 of reciprocator two and the gas vent 2 333 of cylinder cap 2 330 are supplied without departing from connection at this time
It is discharged immediately after the sealed chamber two for the gas inflow cylinder barrel 310 that gas equipment provides and makes linear actuator that can not move back and forth；
Piston 450 does along the axial direction of cylinder barrel 310 and leans on piston 450 along cylinder barrel 310 in the motion process of reciprocator one
The motion process of nearly reciprocator two is consistent.
More optimize, in order to flow into gas in cylinder barrel 310 through the recirculation hole 4121 of one/reciprocator of reciprocator two
Process more it is steady quickly, the recirculation hole 4121 has several along the circumferencial direction array of circulation section 4120.
More optimize, moves synchronously/the fortune of reciprocator two to move reciprocator one and draw reciprocator two
Move and draw process that reciprocator one moves synchronously more it is steady smoothly, the connecting rod 440 is provided with two groups and two
Group connecting rod 440 is located at the side of piston rod 500, and the sleeve joint hole for being set to piston 450 is correspondingly arranged on two groups.
More optimize, piston 450 does in the motion process of reciprocator two/piston 450 along the axial direction of cylinder barrel 310
Axial direction along cylinder barrel 310 is done along the motion process close to reciprocator one, in order to prevent piston 450 and reciprocator two/reciprocal
Mechanism one collides and piston 450 is made to be damaged with two/reciprocator of reciprocator one, is arranged in the cylinder barrel 310
There is a bumper ring 460, the bumper ring 460 is provided with two groups and respectively bumper ring one, bumper ring two, and the one of bumper ring one
End is connect with the open end of cylinder cap 1 and one end of bumper ring two is connect with the open end of cylinder cap 2 330.
It is a kind of using gas as the commutation method of the automatic reverse linear actuator of power source, step is:
S1: the gas that air feed equipment provides is delivered to the gas in cylinder body 300 and in cylinder body 300 by admission line 100 and leads to
Cross the discharge of exhaust pipe 200；
The cylinder body 300 includes cylinder barrel 310, and the cylinder barrel 310 is the circular tube structure of both ends open, cylinder barrel 310
One opening Matching installation has cylinder cap 1, another opening Matching installation cylinder cap 2 330, and the cylinder cap 1 is opened for one end
Mouth, the closed circular tube structure of the other end, the open end of cylinder cap 1 is coaxially fixedly installed in cylinder barrel 310, cylinder cap 1
Closed end coaxially offer avoid holes 1, the periphery of cylinder cap 1 offer air inlet 1, gas vent 1,
Mounting hole 1, the cylinder cap 2 330 are open at one end, the closed circular tube structure of the other end, and cylinder cap 2 330 is opened
Mouth end is coaxially fixedly installed in cylinder barrel 310, and the closed end of cylinder cap 2 330 coaxially offers avoid holes 2 331, cylinder cap 2 330
Periphery offers air inlet 2 332, gas vent 2 333, mounting hole 2 334；
The admission line 100 includes air inlet tee tube 110, air inlet pipe 1, air inlet pipe 2 130, the air inlet threeway
Pipe 110 can be divided into two parts and respectively vertical pipe, horizontal tube, and vertical pipe is vertically installed in the middle position of horizontal tube and two
It is mutually connected between person and constitutes T-type structure, the free end of vertical pipe connect connection with air feed equipment, and the one of air inlet pipe 1
End connect connection, the other end and the connection of air inlet 1 with one end of horizontal tube and connects, one end of air inlet pipe 2 130 and level
The other end connection of pipe is connected, the other end and the connection of air inlet 2 332 are connected；
The exhaust pipe 200 includes process steam line-vent T-connection 210, exhaust pipe 1, exhaust pipe 2 230, the blow-off tee
Pipe 210 can be divided into two parts and respectively vertical flow tube, horizontal flow tube, vertical flow tube are vertically installed in the centre of horizontal flow tube
Position and between the two mutual connection simultaneously constitute T-type structure, and one end of exhaust pipe 1 connect with one end of horizontal flow tube and connects
The logical, other end and the connection of gas vent 1 are connected, and one end of exhaust pipe 2 230 connect connection, separately with the other end of horizontal flow tube
One end connect connection with gas vent 2 333；
S2: the gas push reciprocating apparatus 400 in cylinder body 300, which moves and draws piston rod 500, to move synchronously；
The reciprocating apparatus 400 include reciprocator, piston 450, the reciprocator include reciprocal triggering component 410,
Spring 420, limit component 430 are transmitted, the reciprocal triggering component 410 includes trigger column, and the trigger column is two sections same
The waney cylinder composition of axis and respectively glissile segment 4110, circulation section 4120；
The glissile segment 4110 is open at one end, the closed circular tube structure of the other end and closed end coaxially offers and stretches
Portal 4111, glissile segment 4110 is sheathed on the closed end of 2 330 inside of cylinder cap and glissile segment 4110 towards the closing of cylinder cap 2 330
Hold and constitute between glissile segment 4110 and cylinder cap 2 330 sealed slide-and-guide cooperation, the periphery setting of glissile segment 4110
There are air inlet 3 4112, gas vent 3 4113, the periphery of glissile segment 4110 is also coaxially arranged with the limiting slot of structure annular in shape
4114, the circulation section 4120 is the circular tube structure of both ends open, and circulation section 4120 is set in cylinder barrel 310 and circulates
Section 4120 is fixedly and coaxially connected the open end in glissile segment 4110 and the outer diameter for the section 4120 that circulates is greater than the outer of glissile segment 4110
The periphery of diameter, circulation section 4120 offers recirculation hole 4121；
The limit component 430, which is located at, to be set in the mounting hole 2 334 of cylinder cap 2 330 and limit component 430 and limit
Slot 4114 limits the movement of trigger column with merging；
The reciprocator is provided with two groups and respectively reciprocator one, reciprocator two, reciprocator one and cylinder cap
Connection relationship, reciprocator two between one 320 is consistent with the connection relationship between cylinder cap 2 330；
The piston rod 500 and cylinder barrel 310 is coaxially arranged and one end of piston rod 500 is connecting pin, the other end is installation
End, the connecting pin of piston rod 500 are located at the side that cylinder cap 1 deviates from cylinder barrel 310, and the installation end of piston rod 500 passes through evacuation
Hole 1, the stretching hole 4111 of reciprocator one, the stretching hole 4111 of reciprocator two, avoid holes 2 331 are simultaneously located at cylinder cap two
330 deviate from the side of cylinder barrel 310；
The transmitting spring 420 of 420/ reciprocator two of transmitting spring of the reciprocator one is socketed on piston rod 500
Outside, one end of transmitting spring 420 and 4120 bottom of chamber of circulation section of reciprocator one of reciprocator one contradict, reciprocator two
Transmitting spring 420 one end and reciprocator two 4120 bottom of chamber of circulation section contradict；
The motion state of the reciprocator one is divided into the initial shape of air-suction state one, exhaust condition one and reciprocator one
State is air-suction state one, and the motion state of the reciprocator two is divided into air-suction state two, exhaust condition two and reciprocating engine
The original state of structure two is exhaust condition two；
Connecting rod 440 is provided between the reciprocator one and reciprocator two and between the two by connecting rod 440
It is fixedly connected；
The piston 450 is sheathed in cylinder barrel 310, and piston 450 offers sleeve joint hole, fixation hole, and piston 450 passes through fixation hole
The outside of piston rod 500 and piston 450 are fixedly sheathed in through sleeve joint hole pivot bush unit outside connecting rod 440, piston 450 with
Sealed slide-and-guide cooperation, and piston 450 and piston are constituted between cylinder barrel 310, between piston 450 and connecting rod 440
Sealed cooperation is constituted between bar 500；
The piston 450 is axial along cylinder barrel 310 and the inner cavity of cylinder barrel 310 is divided into the two parts mutually disconnected and difference
For the sealed chamber one close to reciprocator one, the sealed chamber two close to reciprocator two；
The gas that air feed equipment provides passes through air inlet tee tube 110, air inlet pipe 1, the air inlet one for being set to cylinder cap 1
322, it is set to the air inlet 3 4112 of reciprocator one, the trigger column inner cavity of reciprocator one, is set to reciprocator one
Recirculation hole 4121 flows into the sealed chamber one of cylinder barrel 310, so that the pressure in the sealed chamber one of cylinder barrel 310 increases, from
And piston 450 is made to do the movement close to reciprocator two along the axial direction of cylinder barrel 310, piston 450 moves and draws piston rod 500
Move synchronously, i.e. the connecting pin of piston rod 500 do close to cylinder cap 1 movement and piston rod 500 installation end do it is separate
The movement of cylinder cap 2 330, while the air in the sealed chamber two of cylinder barrel 310 is by being set to the recirculation hole of reciprocator two
4121, the trigger column inner cavity of reciprocator two, be set to reciprocator two gas vent 3 4113, be set to cylinder cap 2 330
Gas vent 2 333, exhaust pipe 2 230, process steam line-vent T-connection 210 are discharged；
S3: piston 450 is done in the motion process of reciprocator two along the axial direction of cylinder barrel 310, piston 450 and reciprocator two
Transmitting spring 420 contact and make so that the transmitting spring 420 of reciprocator two is in compressive state；
When the elastic force of the transmitting spring 420 of reciprocator two is greater than the limit component 430 of reciprocator two to reciprocator two
When the restraint of reciprocal triggering component 410, the reciprocal touching of the elastic traction reciprocator two of the transmitting spring 420 of reciprocator two
Hair component 410 does the movement close to 2 330 closed end of cylinder cap along the axial direction of cylinder barrel 310, so that reciprocator two is by being vented
State two switches to air-suction state two, while reciprocator two moves through connecting rod 440 and draws the synchronous fortune of reciprocator one
It is dynamic, so that reciprocator one switches to exhaust condition one by air-suction state one；
S4: air feed equipment continues to provide gas to air inlet tee tube 110, and gas passes through air inlet tee tube 110, air inlet pipe two at this time
130, the air inlet 2 332 of cylinder cap 2 330, the air inlet 3 4112 that is set to reciprocator two, reciprocator two are set to
Trigger column inner cavity, the recirculation hole 4121 for being set to reciprocator two flow into the sealed chamber two of cylinder barrel 310, so that cylinder barrel
Pressure in 310 sealed chamber two increases, so that piston 450 is done along the axial direction of cylinder barrel 310 close to reciprocator one
Movement, piston 450 move and draw piston rod 500 and move synchronously, i.e. the connecting pin of piston rod 500 is done far from cylinder cap 1
The installation end of movement and piston rod 500 does the movement close to cylinder cap 2 330, while the sky in the sealed chamber one of cylinder barrel 310
Gas is by being set to the recirculation hole 4121 of reciprocator one, the trigger column inner cavity of reciprocator one, being set to reciprocator one
Gas vent 3 4113, the gas vent 1 for being set to cylinder cap 1, exhaust pipe 1, process steam line-vent T-connection 210 are discharged；
Piston 450 is done in the motion process of reciprocator one along the axial direction of cylinder barrel 310, and piston 450 passes through reciprocator one
Transmitting spring 420 so that reciprocator one is switched to air-suction state one by exhaust condition one, while make reciprocator two by into
Gaseity two switches to exhaust condition two；
S5: air feed equipment continues to provide gas to air inlet tee tube 110, and gas continues through air inlet tee tube 110, air inlet at this time
Pipe 1, the air inlet 1 for being set to cylinder cap 1, the air inlet 3 4112 for being set to reciprocator one, reciprocator
One trigger column inner cavity, the recirculation hole 4121 for being set to reciprocator one flow into the sealed chamber one of cylinder barrel 310, so past
It is multiple.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (3)
1. be used for agricultural machinery automatic reverse formula linear actuator, which is characterized in that it include admission line, exhaust pipe, cylinder body,
Reciprocating apparatus, piston rod, the admission line and exhaust pipe provide gas with merging into reciprocating apparatus, described toward reassembling
It installs and is placed in cylinder body and reciprocating apparatus using gas as power source and draws piston rod along piston rod to moving reciprocatingly；
The cylinder body includes cylinder barrel, and the cylinder barrel is the circular tube structure of both ends open, an opening matching peace of cylinder barrel
Equipped with cylinder cap one, another opening Matching installation cylinder cap two；
The cylinder cap one is open at one end, the closed circular tube structure of the other end, and the open end of cylinder cap one is coaxially fixed to pacify
Loaded on cylinder barrel, the closed end of cylinder cap one coaxially offers the avoid holes one through its thickness, the periphery of cylinder cap one offer with
Air inlet one, gas vent one and the air inlet one that the connection of its inner cavity is connected are close close to the closed end of cylinder cap one, gas vent one
Cylinder barrel, the periphery of cylinder cap one is also provided with the mounting hole one that connection is connect with its inner cavity and gas vent one is located at mounting hole one
Between air inlet one；
The cylinder cap two is open at one end, the closed circular tube structure of the other end, and the open end of cylinder cap two is coaxially fixed to pacify
Loaded on cylinder barrel, the closed end of cylinder cap two coaxially offers the avoid holes two through its thickness, the periphery of cylinder cap two offer with
Air inlet two, gas vent two and the air inlet two that the connection of its inner cavity is connected are close close to the closed end of cylinder cap two, gas vent two
Cylinder barrel, the periphery of cylinder cap two is also provided with the mounting hole two that connection is connect with its inner cavity and gas vent two is located at mounting hole two
Between air inlet two；
The reciprocating apparatus includes reciprocator, piston, and the reciprocator includes reciprocal triggering component, limit component,
The limit component is used to limit the movement of reciprocal triggering component, and the reciprocal triggering component is for receiving piston along cylinder barrel
It is axially moved pushing power and switching pushing completion status under power or so for generation；
The reciprocal triggering component includes trigger column, and the trigger column is that two sections of coaxial waney cylinders constitute and divide
It Wei not glissile segment, circulation section；
The glissile segment is open at one end, the closed circular tube structure of the other end and closed end is coaxially offered through it
The stretching hole of thickness, glissile segment are sheathed on inside the cylinder cap two and closed end of glissile segment towards the closed end of cylinder cap two and slide
It constitutes sealed slide-and-guide between dynamic section and cylinder cap two to cooperate, the periphery of glissile segment is additionally provided with through its thickness and is in
Coaxially arranged air inlet three, gas vent three, the three/gas vent of air inlet three be respectively positioned on air inlet two and gas vent two it
Between and air inlet three is located parallel on the same straight line of cylinder barrel axial direction with air inlet two, gas vent three is located at gas vent two
It is parallel on the same straight line of cylinder barrel axial direction, the periphery of glissile segment is also coaxially arranged with the limiting slot of structure annular in shape；
The circulation section is the circular tube structure of both ends open, and circulation section, which is set in cylinder barrel, and circulation section is coaxially fixed connects
The outer diameter for being connected to the open end of glissile segment and the section that circulates is greater than the outer diameter of glissile segment, and the periphery for the section that circulates offers and it
The recirculation hole that inner cavity connection is connected, the recirculation hole have several along the circumferencial direction array of circulation section；
The limit component, which is located at, to be set in the mounting hole two of cylinder cap two, and limit component is located at the installation for being set to cylinder cap two
In hole two, limit component includes spacing ball, fixed block, limit spring, the spacing ball and is set to glissile segment periphery
Limiting slot matches, the fixed block is detachable be installed in mounting hole two and fixed block close to cylinder cap two outer circle
Face, the limit spring are set between fixed block and spacing ball, one end of limit spring and fixed block contradict, the other end with
Spacing ball contradicts, and the elastic force of limit spring is arranged close to spacing ball in glissile segment periphery along the axial direction of mounting hole two
The movement of limiting slot.
2. the automatic reverse formula linear actuator according to claim 1 for agricultural machinery, which is characterized in that described is reciprocal
Mechanism is provided with two groups and respectively reciprocator one, reciprocator two, and the connection between reciprocator one and cylinder cap one is closed
System, reciprocator two are consistent with the connection relationship between cylinder cap two；
The motion state of the reciprocator one is divided into the initial shape of air-suction state one, exhaust condition one and reciprocator one
State is air-suction state one, when reciprocator one be in air-suction state for the moment, the air inlet three of reciprocator one and cylinder cap one into
The connection of stomata one is connected, when reciprocator one is in exhaust condition a period of time, the gas vent three of reciprocator one and the row of cylinder cap one
The connection of stomata one is connected；
The motion state of the reciprocator two is divided into the initial shape of air-suction state two, exhaust condition two and reciprocator two
State is exhaust condition two, when reciprocator two be in air-suction state two, the air inlet three of reciprocator two and cylinder cap two into
The connection of stomata two is connected, when reciprocator two is in exhaust condition, the exhaust of the gas vent three and cylinder cap two of reciprocator two
The connection of hole two is connected.
3. the automatic reverse formula linear actuator according to claim 1 or 2 for agricultural machinery, which is characterized in that described
Between piston rod and cylinder barrel in coaxially arranged and piston rod one end be connecting pin, the other end is installation end, the company of piston rod
It connects end and is located at the side that cylinder cap one deviates from cylinder barrel, the installation end of piston rod is disposed through the avoid holes one of cylinder cap one, is set to
The stretching hole of reciprocator one, the stretching hole for being set to reciprocator two, the avoid holes two for being set to cylinder cap two are simultaneously located at cylinder cap
Two deviate from the side of cylinder barrel, the stretching hole/evacuation for stretching out hole/reciprocator two of piston rod and one/reciprocator of avoid holes two
Sealed slide-and-guide cooperation is constituted between hole two；
It is provided with connecting rod between the reciprocator one and reciprocator two, the extending direction of the connecting rod is parallel to
The axial direction of cylinder barrel, one end of connecting rod is fixedly connected with the circulation section of reciprocator one, the circulation of the other end and reciprocator two
Section is fixedly connected；
The piston bush is set in cylinder barrel, and piston offers the sleeve joint hole through its thickness, fixation hole, and piston passes through fixation hole
It is fixedly sheathed in outside piston rod and piston passes through sleeve joint hole pivot bush unit outside connecting rod, between piston and cylinder barrel, live
Sealed slide-and-guide is constituted between plug and connecting rod to cooperate, and sealed cooperation is constituted between piston and piston rod；
The connecting rod is provided with two groups and two groups of connecting rods are located at the side of piston rod, and described is set to piston
Sleeve joint hole be correspondingly arranged on two groups；
The piston is axial along cylinder barrel and the inner cavity of cylinder barrel is divided into the two parts mutually disconnected and is respectively close to reciprocal
The sealed chamber one of mechanism one, the sealed chamber two close to reciprocator two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028567.4A CN108999834A (en) | 2018-09-05 | 2018-09-05 | Automatic reverse formula linear actuator for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028567.4A CN108999834A (en) | 2018-09-05 | 2018-09-05 | Automatic reverse formula linear actuator for agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108999834A true CN108999834A (en) | 2018-12-14 |
Family
ID=64591070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811028567.4A Withdrawn CN108999834A (en) | 2018-09-05 | 2018-09-05 | Automatic reverse formula linear actuator for agricultural machinery |
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| Country | Link |
|---|---|
| CN (1) | CN108999834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985479A (en) * | 2019-12-29 | 2020-04-10 | 邵延荣 | Automatic reversing hydraulic cylinder |
-
2018
- 2018-09-05 CN CN201811028567.4A patent/CN108999834A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985479A (en) * | 2019-12-29 | 2020-04-10 | 邵延荣 | Automatic reversing hydraulic cylinder |
| CN110985479B (en) * | 2019-12-29 | 2021-08-27 | 山东金利液压科技有限公司 | Automatic reversing hydraulic cylinder |
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