CN206290519U - Retractable actuating cylinder hydraulic circuit components - Google Patents
Retractable actuating cylinder hydraulic circuit components Download PDFInfo
- Publication number
- CN206290519U CN206290519U CN201621295654.2U CN201621295654U CN206290519U CN 206290519 U CN206290519 U CN 206290519U CN 201621295654 U CN201621295654 U CN 201621295654U CN 206290519 U CN206290519 U CN 206290519U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- pressurized strut
- actuating cylinder
- way
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
A kind of retractable actuating cylinder hydraulic circuit components disclosed in the utility model, it is desirable to provide a kind of simple structure, reliable operation, can control the output speed of pressurized strut piston rod to be allowed to meet the controlled hydraulic circuit system of use requirement.The utility model is achieved by following technical proposals：Three position four-way electromagnetic valve (1) input connects start cartridge module (4) by hydraulic control one-way valve (3), its output end point two-way is series at the bidirectional hydraulic lock (5) positioned at pressurized strut subassembly both sides by flow speed control valve (2,6) respectively, and input in bidirectional hydraulic lock, in output end is parallel with the valve block assembly for being connected across two ends.When the hydraulic oil source that hydraulic pump is provided is communicated to the right or the left position of three position four-way electromagnetic valve, the hydraulic control one-way valve of bidirectional hydraulic lock reaches the left chamber or right chamber of pressurized strut, drives pressurized strut piston rod (16) to stretch out or retract；Oil return is controlled by the one the second flow speed control valves to the movement velocity of hydraulic actuation cartridge module piston rod.
Description
Technical field
The utility model be related to it is a kind of the hydraulic pressure retractable actuating cylinder component of power is provided for receiving/releasing, and can reliably be parked in
The hydraulic actuator class output speed controlled hydraulic circuit system of maintenance position.
Background technology
Hydraulic actuator is hydraulic actuator in a kind of meeting an urgent need back, zero including cylinder, lining, piston, rubber seal etc.
Part, pressurized strut is hydraulicdriven executive component, and pressure executive component is a kind of hydraulic pressure unit done work to external world in hydraulic system
Part, hydraulic energy is directly converted into mechanical energy by it.Hydraulic actuator is divided into two major classes, and a class is rotary motion (such as hydraulic pressure
Motor), it is the Hydraulic Elements that hydraulic energy is converted into rotating mechanical energy, and another kind of is reciprocating motion type, wherein be divided into past again
It is the Hydraulic Elements that hydraulic energy is converted into straight reciprocating motion kinetic energy to linear motion type (such as pressurized strut), and past rereeling
The class of pendular motion type (oscillating cylinder) two.Pressurized strut is also called hydraulic cylinder, is a common class executive component in Hydraulic Power Transmission System, is
For realizing operating mechanism's straight reciprocating motion or less than 360 ° of energy conversion devices of oscillating motion.The basic composition of pressurized strut
Substantially it is made up of parts such as cylinder 14, piston, piston rod 16, end cap, sealing, inlet and outlet pipings.The operation principle of pressurized strut is to work as
When cylinder is fixed, if the input service liquid-liquid pressure rise of cylinder left chamber to be enough to overcome extraneous load when, piston begin to
Right motion.Piston is continuously moved with certain speed if continuously supply fluid.It can thus be appreciated that the thing of pressurized strut work
Reason essence is that load (including frictional force) is overcome using fluid pressure, and movement velocity is maintained using fluid flow.Hydraulic pressure is made
Dynamic cylinder (hydraulic cylinder) structure type has piston cylinder, plunger case and oscillating cylinder three major types.It is piston-type hydraulic cylinder, dual-rod hydraulic cylinder, double
Bar hydraulic cylinder is piston two ends all hydraulic cylinders with piston rod 16, and the former is approximately equal to piston effective travel at movable workbench scope
Three times be usually used in middle-size and small-size equipment, such as lifting of pilot set, the moving range of the latter's workbench is only approximately equal to hydraulic cylinder
The twice of stroke, is usually used in the rotation of large scale equipment.Because the diameter of piston rod 16 at dual-rod hydraulic cylinder two ends is typically equal,
Therefore two chamber effective areas of left and right are also equal.When two chamber input pressures to the left and right and flow identical fluid is distinguished, hydraulic cylinder
The thrust and speed of left and right both direction are equal.Single-rod cylinder piston only has one end band piston rod 16, and it also has cylinder body to fix
Two kinds of forms are fixed with piston rod 16.But their movable workbench scope is all approximately the twice of piston effective travel.Single pole liquid
Cylinder pressure is input into left and right two due to piston two ends effective area when the pressure of oil suction chamber and oil back chamber is respectively P, Pz
The thrust and speed of both direction are different when the flow in chamber is all q or so.Pressurized strut cylinder is built with active piston and limit
Position piston, is equipped with O-ring seal, the left side of pressurized strut cylinder between pressurized strut cylinder and limiting piston, active piston and section of obturaging
Section links together with obturaging, and right side and the tail-hood of pressurized strut cylinder link together, pressurized strut cylinder, tail-hood, active piston,
Pressurized strut is divided into three chambers of autonomous closure by limiting piston and section of obturaging, three nozzles on pressurized strut cylinder respectively with three
The chamber connection of autonomous closure, the piston rod 16 of limiting piston is stretched into the piston rod 16 of active piston.Pressurized strut and host work
There is directly contact in mechanism, and for different machines and mechanism, pressurized strut has different purposes and job requirements.Therefore, exist
Before design pressurized strut, it is necessary to carry out performance analysis to whole hydraulic system, structure type is then selected according to requirements, press
Loading condition, movement needs, range etc. determine its groundwork size, carry out intensity, stability and buffering checking computations, finally
Structure design is carried out again.Because traditional pressurized strut is only as hydraulicdriven executive component, without control function, it is impossible to control
The output speed of piston rod processed 16, also without the requirement stopped in centre position, it is thus impossible to meet use requirement.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, there is provided a kind of simple structure, reliable operation,
The output speed of pressurized strut piston rod 16 can be controlled to be allowed to meet use requirement, meanwhile, can rest on pressurized strut piston rod 16
Centre position, makes it easier to use and safeguard the controlled hydraulic circuit system of folding and unfolding hydraulic actuation cartridge module.
The utility model solves the technical scheme that its technical problem used：A kind of retractable actuating cylinder hydraulic circuit group
Part, including：Pack up packed up with mechanical lock with extended position, put down and maintenance position first band microswitch 12,7,11, three
Four way solenoid valve 1, hydraulic control one-way valve 3, the first flow speed control valve 2, the second flow speed control valve 6, the bidirectional hydraulic lock 5 containing thermally safe valve and unidirectional
The hydraulic actuator of valve 8, it is characterised in that：The input of three position four-way electromagnetic valve 1 connects start cartridge module by hydraulic control one-way valve 3
4, its output end point two-way is series at the bidirectional hydraulic lock 5 positioned at the both sides of pressurized strut subassembly 4 by flow speed control valve 2,6 respectively,
The valve block assembly 26 for being connected across two ends is parallel with input, output end in bidirectional hydraulic lock 5；When the hydraulic oil that hydraulic pump is provided
When source is communicated to the right or the left position of three position four-way electromagnetic valve 1, hydraulic oil by the first flow speed control valve 2, the second flow speed control valve 6,
The hydraulic control one-way valve of bidirectional hydraulic lock 5 reaches the left chamber or right chamber of pressurized strut, drives pressurized strut piston rod 16 to stretch out or retract；Return
Oil is controlled by the first flow speed control valve 2, the second flow speed control valve 6 to the movement velocity of hydraulic actuation cartridge module piston rod 16.
The utility model has the advantages that compared to prior art.
Simple structure, reliable operation.The utility model is electric using 3-position 4-way in the case where product overall structure is constant
The input of magnet valve 1 connects start cartridge module 4 by hydraulic control one-way valve 3, and its output end point two-way is gone here and there by flow speed control valve 2,6 respectively
The bidirectional hydraulic lock 5 positioned at the both sides of start cartridge module 4 is coupled to, is parallel with the input, output end in bidirectional hydraulic lock 5 and is connected across
The valve block assembly 26 at two ends；By increasing valve block assembly 26 on in-line, make pressurized strut output speed controllable.Meanwhile, work as liquid
Pressure pressurized strut piston rod 16 is stretched out or retracted during in place or to centre position, and three position four-way electromagnetic valve 1 is positioned at the centre of magnetic valve
Position, is now arranged on the one-way piston return in hydraulic lock 5, and the fluid of pressurized strut rodless cavity and rod chamber is closed,
So that pressurized strut is in the presence of bidirectional hydraulic lock, hydraulic actuator piston rod 17 is fixed on and is stretched out or is retracted or middle dimension
Position is repaiied, pressurized strut piston rod 16 can be made to rest on centre position, made it easier to use and safeguard.
Offer power can be packed up and put down to hydraulic actuation cartridge module of the present utility model for train of mechanism, while piston rod 16
Derivative limit on the left or on the right or the centre position of pressurized strut can be rested on, is easy to safeguard mechanism.
Brief description of the drawings
Fig. 1 is the utility model retractable actuating cylinder hydraulic circuit components principle schematic.
Fig. 2 is the utility model start cartridge module front view.
Fig. 3 is the utility model start cartridge module vertical view cutaway drawing.
Fig. 4 is the organigram of Fig. 1 valve block assemblies.
In figure：1 three position four-way electromagnetic valve, 2 first flow speed control valves, 3 hydraulic control one-way valves, 4 start cartridge modules, 5 bidirectional hydraulic locks,
6 second flow speed control valves, 7 extended position microswitches, 8 check valves, 9 emergent oil sources, 10 hydraulic pumps, 11 maintenance position microswitches,
12 retracted position microswitches, 13 ears joints, 14 cylinders, 15 valve block assembly mounting seats, 16 piston rods, 17 monaural joints, 18
Pressurized strut oil circuit hole, 19 pipe joints, the built-in retaining ring lock of 20 pressurized struts, 21 valve block housings, 22 oil return ozzles, 23 oil-feed ozzles, 24
Connect pressurized strut ozzle, 25 emergent ozzles, 26 valve block assembly installation bolts.
The utility model is further illustrated with reference to the accompanying drawings and examples, but is not therefore limited in the utility model
Among described scope of embodiments.All these designs should be regarded as this technology disclosure of that and protection model of the present utility model
Enclose.
Specific embodiment
Refering to Fig. 1.In embodiment described below, a kind of retractable actuating cylinder hydraulic circuit components, including：Pack up and put
Lower band of position mechanical lock packs up, put down and the band microswitch 12 of maintenance position, extended position microswitch 7, maintenance position are micro-
Dynamic switch 11, three position four-way electromagnetic valve 1, hydraulic control one-way valve 3, the first flow speed control valve 2, flow speed control valve the 2nd 6, containing the two-way of thermally safe valve
The hydraulic actuator of hydraulic lock 5 and check valve 8, it is characterised in that：The input of three position four-way electromagnetic valve 1 passes through hydraulic control one-way valve 3
Connection start cartridge module 4, its output end point two-way is series at positioned at the both sides of pressurized strut subassembly 4 by flow speed control valve 2,6 respectively
Bidirectional hydraulic lock 5, the valve block assembly 26 for being connected across two ends is parallel with the input, output end in bidirectional hydraulic lock 5；Work as hydraulic pressure
When the hydraulic oil source that pump is provided is communicated to the right or the left position of three position four-way electromagnetic valve 1, hydraulic oil passes through the first flow speed control valve
2nd, the second flow speed control valve 6, the hydraulic control one-way valve of bidirectional hydraulic lock 5 reach the left chamber or right chamber of pressurized strut, drive pressurized strut piston rod
16 stretch out or retract；Motion of the oil return by the first flow speed control valve 2, the second flow speed control valve 6 to hydraulic actuation cartridge module piston rod 16 is fast
Degree is controlled.
When hydraulic actuator piston rod 16 is stretched out or retracted in place or to centre position, three position four-way electromagnetic valve 1 is located at
The centre position of magnetic valve, is now arranged on the one-way piston return in hydraulic lock 5, by pressurized strut rodless cavity and the oil of rod chamber
Liquid is closed so that pressurized strut is in the presence of bidirectional hydraulic lock, hydraulic actuator piston rod 16 is fixed on stretch out or
Retract or middle maintenance position.When hydraulic pump or magnetic valve break down, oil sources 9 of meeting an urgent need is by connecting hydraulic actuator 4
Check valve 8 directly arrives the right chamber of pressurized strut, pressurized strut piston rod 16 is retracted；Emergent oil sources 9 opens connection hydraulic actuation simultaneously
The hydraulic control one-way valve 3 of 4 left chambers of cylinder, connects oil return of the left chamber of hydraulic actuator 4 directly with hydraulic pump 10.
When hydraulic pump 10 on machine or the grade of three position four-way electromagnetic valve 1 break down, oil sources 9 of meeting an urgent need is direct by check valve 8
To the right chamber of pressurized strut, pressurized strut piston rod 16 is set to retract；Emergent oil sources 9 opens hydraulic control one-way valve 3 simultaneously, makes a left side for pressurized strut
Oil return of the chamber directly with hydraulic pump 10 connects.
When hydraulic oil stretches out chamber through valve block assembly 26 into pressurized strut, piston rod 16 is promoted to move right, built-in retaining ring lock
20 move right simultaneously, and when snap ring is moved at outer barrel inner surface diameter increase, snap ring opens because of the spring tension of itself, extensive
Again to free uncompressed state, hydraulic oil continues to press on travelling piston and moves to right, and then moves about in piston convex portion insertion snap ring internal diameter,
Snap ring is prevented to shrink.Meanwhile, steel ball is moved into travelling piston left end groove from middle position state, retaining spring return make its two sleeve it
Between distance reduce, also simultaneously promote steel ball rise in hole and withstand steel ball not fall, to realize locking for extended position.This
When, extended position microswitch 7 is touched, and traffic light system is to stretch out in place on aircraft.
When unlocking, hydraulic oil enters pressurized strut retraction chamber to bidirectional hydraulic lock 5 through valve block, promotes travelling piston to move to left first
Release outside snap ring, meanwhile, hydraulic coupling overcomes spring force and compression spring, moves down its steel ball, so as to smoothly release travelling
Piston, then, hydraulic coupling forces snap ring to compress diminution, and promotes snap ring to enter outer barrel diameter reduction section, to realize retracted position
Unlocking.Now, retracted position microswitch 12 is touched, and traffic light system is to retract in place on aircraft.Piston rod 16 is retracted
When unlocking, lock mode in contrast.
When maintenance position microswitch 11 stretches out or be retracted into maintenance position by pressurized strut piston rod 16, by piston rod 16
When striking gear on component toggles it to maintenance position, make traffic light system on aircraft be maintenance position, controlled by magnetic valve
Whether system stops in maintenance position.
Refering to Fig. 2-Fig. 3.Whole start cartridge module is by 11 maintenance position microswitches 12, and retracted position microswitch is double
Terminal lug 13, cylinder 14, valve block assembly mounting seat 15, piston rod 16, monaural joint 17, pressurized strut oil circuit hole 18, pipe joint
19, the built-in grade of the retaining ring lock 20 parts composition of pressurized strut, wherein by carrying out machine on ears joint 13 and monaural joint 17 and machine
Tool is connected, by maintenance position microswitch 11, on the retraction maintenance position microswitch 11 of retracted position microswitch 12 and machine
It is electrically connected.To make whole retractable actuating cylinder hydraulic circuit components simple structure, valve block is reserved with hydraulic actuator
Component mounting seat 15.
Refering to Fig. 4.To make retractable actuating cylinder hydraulic circuit components simple structure, arrangement more rationally, hydraulic pipe is reduced,
Increase reliability, by three position four-way electromagnetic valve 1, flow speed control valve 2, hydraulic control one-way valve 3, start cartridge module 4, bidirectional hydraulic lock 5 and tune
Fast valve 6 is all put together at formation valve block assembly on valve block housing 21, meanwhile, to enable valve block assembly and start cartridge module side
Just connect, retractable actuating cylinder hydraulic circuit components hydraulic interface is placed on valve block assembly, and connected by airplane Hydraulic Tube
Oil return ozzle 22, oil-feed ozzle 23, ozzle 25 of meeting an urgent need is connect pressurized strut ozzle 24 and is connected with pressurized strut pipe joint 19 by conduit
Connect, whole valve block assembly is fixed on start cartridge module valve block assembly mounting seat 15 by the installation bolt of valve block assembly 26, by oil return
Ozzle 22, oil-feed ozzle 23 connects pressurized strut ozzle 24, and ozzle 25 of meeting an urgent need, the installation bolt of valve block assembly 26 also all concentrates on valve
On block assembly.
Claims (10)
1. a kind of retractable actuating cylinder hydraulic circuit components, including：Pack up and pack up, put down and repair position with extended position band mechanical lock
The band microswitch put（12、7、11）, three position four-way electromagnetic valve（1）, hydraulic control one-way valve（3）, flow speed control valve（2、6）, containing thermally safe
The bidirectional hydraulic lock of valve（5）And check valve（8）Hydraulic actuator, it is characterised in that：Three position four-way electromagnetic valve（1）Input leads to
Cross hydraulic control one-way valve（3）Connection start cartridge module（4）, its output end point two-way is respectively by flow speed control valve（2、6）It is series at position
In start cartridge module（4）The bidirectional hydraulic lock on both sides（5）, and in bidirectional hydraulic lock（5）Input, be parallel with bridging in output end
In the valve block assembly at two ends（26）.
2. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：When the hydraulic oil that hydraulic pump is provided
Source is communicated to three position four-way electromagnetic valve（1）The right or during left position, hydraulic oil passes through the first flow speed control valve（2）, the second speed governing
Valve（6）, bidirectional hydraulic lock（5）Hydraulic control one-way valve reach pressurized strut left chamber or right chamber, drive pressurized strut piston rod（16）Stretch
Go out or retract；Oil return passes through the first flow speed control valve（2）, the second flow speed control valve（6）To hydraulic actuation cartridge module piston rod（16）Motion
Speed is controlled.
3. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：When hydraulic oil is through valve block assembly
（26）Chamber is stretched out into pressurized strut, piston rod is promoted（16）When stretching out or retract in place or to centre position, 3-position 4-way electromagnetism
Valve（1）Positioned at the centre position of magnetic valve, hydraulic lock is now arranged on（5）Interior one-way piston return, by pressurized strut rodless cavity
Fluid with rod chamber is closed, so that pressurized strut is in the presence of bidirectional hydraulic lock, by hydraulic actuator piston rod
（16）It is fixed on and stretches out or retract or middle maintenance position.
4. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：When hydraulic pump or magnetic valve occur
During failure, oil sources of meeting an urgent need（9）By the check valve for connecting hydraulic actuator（8）The right chamber of pressurized strut is directly arrived, pressurized strut is lived
Stopper rod（16）Retract；While emergent oil sources（9）Open the hydraulic control one-way valve of connection hydraulic actuator left chamber（3）, make hydraulic actuation
The left chamber of cylinder is directly and hydraulic pump（10）Oil return connection.
5. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：It is reserved with hydraulic actuator
Valve block assembly mounting seat（15）.
6. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：Three position four-way electromagnetic valve（1）, adjust
Fast valve（2）, hydraulic control one-way valve（3）, start cartridge module（4）, bidirectional hydraulic lock（5）And flow speed control valve（6）All it is put together at valve
Block housing（21）Upper formation valve block assembly（26）.
7. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：Retractable actuating cylinder hydraulic circuit group
Part hydraulic interface is placed on valve block assembly（26）On, and oil return pipe mouth is connected by airplane Hydraulic Tube（22）, oil-feed ozzle
（23）, ozzle of meeting an urgent need（25）, connect pressurized strut ozzle（24）By conduit and pressurized strut pipe joint（19）It is attached, whole valve block
Component passes through valve block assembly（26）Installation bolt is fixed on start cartridge module valve block assembly mounting seat（15）, oil return ozzle（22）,
Oil-feed ozzle（23）, connect pressurized strut ozzle（24）, ozzle of meeting an urgent need（25）, valve block assembly（26）Installation bolt also all concentrates on valve
On block assembly.
8. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：Chamber is stretched out when pressurized strut promote work
Stopper rod（16）Move right, built-in retaining ring lock（20）Move right simultaneously, when snap ring is moved at outer barrel inner surface diameter increase
When, snap ring opens because of the spring tension of itself, returns to free uncompressed state, and hydraulic oil continues to press on travelling piston and moves to right,
Then move about in piston convex portion insertion snap ring internal diameter, prevent snap ring and shrink, meanwhile, it is left that steel ball moves into travelling piston from middle position state
In end slot, distance reduces between retaining spring return makes its two sleeve, also promotes steel ball to rise in hole and withstand steel ball simultaneously
Do not fall, to realize locking for extended position, now, extended position microswitch（7）It is touched.
9. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：Bidirectional hydraulic lock（5）Unlocking
When, hydraulic oil is through valve block assembly（26）Into pressurized strut retraction chamber, travelling piston is promoted to move to left outside release snap ring first, together
When, hydraulic coupling overcomes spring force and compression spring, moves down its steel ball, so as to smoothly release travelling piston, hydraulic coupling is forced
Snap ring compression is reduced, and promotes snap ring to enter outer barrel diameter reduction section, to realize the unlocking of retracted position.
10. retractable actuating cylinder hydraulic circuit components as claimed in claim 1, it is characterised in that：When maintenance position microswitch
（11）By pressurized strut piston rod（16）Maintenance position is stretched out or is retracted into, by piston rod（16）Striking gear on component is stirred
During to maintenance position, control whether to be stopped in maintenance position by magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295654.2U CN206290519U (en) | 2016-11-29 | 2016-11-29 | Retractable actuating cylinder hydraulic circuit components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295654.2U CN206290519U (en) | 2016-11-29 | 2016-11-29 | Retractable actuating cylinder hydraulic circuit components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290519U true CN206290519U (en) | 2017-06-30 |
Family
ID=59096202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295654.2U Active CN206290519U (en) | 2016-11-29 | 2016-11-29 | Retractable actuating cylinder hydraulic circuit components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402077A (en) * | 2016-11-29 | 2017-02-15 | 四川凌峰航空液压机械有限公司 | Hydraulic actuator cylinder output speed controllable hydraulic loop system |
| CN109306825A (en) * | 2018-09-25 | 2019-02-05 | 陕西飞机工业（集团）有限公司 | A kind of flexible adaptively backlash compensation latch mechanism and application method |
-
2016
- 2016-11-29 CN CN201621295654.2U patent/CN206290519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402077A (en) * | 2016-11-29 | 2017-02-15 | 四川凌峰航空液压机械有限公司 | Hydraulic actuator cylinder output speed controllable hydraulic loop system |
| CN106402077B (en) * | 2016-11-29 | 2018-01-09 | 四川凌峰航空液压机械有限公司 | Hydraulic actuator class output speed controlled hydraulic circuit system |
| CN109306825A (en) * | 2018-09-25 | 2019-02-05 | 陕西飞机工业（集团）有限公司 | A kind of flexible adaptively backlash compensation latch mechanism and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106402077B (en) | Hydraulic actuator class output speed controlled hydraulic circuit system | |
| CN106762929B (en) | The hydraulic circuit and fuel supply method that anvil block is locked on a kind of hydrostatic forging machine | |
| CN104196784B (en) | A kind of cabin section integration electrohydraudic servomechanism | |
| CN109268349B (en) | Dual-redundancy hydraulic actuator with single-end mechanical lock | |
| CN206290519U (en) | Retractable actuating cylinder hydraulic circuit components | |
| CN103910059B (en) | One can carry pressurized strut | |
| JP2016530463A (en) | Reversible hydraulic pressure transducer using a valve tube | |
| CN105889159A (en) | Hydraulic system with ultra-high pressure outputting capacity | |
| CN102963345B (en) | Driven hydraulic-brake hydraulic system with velocity compensator | |
| CN104354854A (en) | Multifunctional undercarriage jackstay device | |
| CN106286674A (en) | A kind of autonomous retractable landing gear buffer | |
| CN208281487U (en) | The speed change operating valve of the built-in neutral signal device of loading machine | |
| CN102434521A (en) | Actuator cylinder capable of being as locking pin | |
| CN202040145U (en) | Multistage locking cylinder | |
| CN101782090A (en) | Double self locking hydraulic cylinder | |
| CN206738284U (en) | The hydraulic circuit that anvil block is locked on a kind of hydrostatic forging machine | |
| CN110454460B (en) | Quick oil cylinder with pressurization function | |
| CN205260297U (en) | Hydraulic pressure booster pump | |
| CN108150121A (en) | Jet flow pressurizing formula electric hydaulic bridge plug setting tool | |
| CN201190704Y (en) | Inside and outside double-drum type hydraulic reinforcement cylinder | |
| CN110578732A (en) | Energy storage type hydraulic cylinder with built-in welded piston rod | |
| CN116066445A (en) | Balance type leakless low friction hydraulic cylinder | |
| CN205533543U (en) | Hydro -cylinder with integrated hydraulic pressure lock cylinder end | |
| CN210565452U (en) | Energy accumulator and hydraulic cylinder composite device | |
| CN204592507U (en) | The nested oil cylinder valve door drive of a kind of combined type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |