CN109812465A - The servo screw oscillating cylinder of Speed On-off Valve - Google Patents
The servo screw oscillating cylinder of Speed On-off Valve Download PDFInfo
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- CN109812465A CN109812465A CN201910264530.XA CN201910264530A CN109812465A CN 109812465 A CN109812465 A CN 109812465A CN 201910264530 A CN201910264530 A CN 201910264530A CN 109812465 A CN109812465 A CN 109812465A
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- 230000008878 coupling Effects 0.000 claims abstract description 24
- 238000010168 coupling process Methods 0.000 claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 77
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 240000005020 Acaciella glauca Species 0.000 description 1
- 241001417527 Pempheridae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 235000003499 redwood Nutrition 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention belongs to spiral oscillating cylinder technical fields, refer in particular to a kind of servo screw oscillating cylinder of Speed On-off Valve.Spiral oscillating cylinder is equipped with integrated package；The oil inlet pipe of spiral oscillating cylinder and the end free flow coupling of integrated package connect, and the oil return opening of spiral oscillating cylinder and the oil return pipe of integrated package connect；The cylinder bottom of spiral oscillating cylinder is equipped with encoder, has assigned high-speed switch on integrated package.The present invention solves existing spiral oscillating cylinder and is seldom able to carry out SERVO CONTROL, and the servo screw oscillating cylinder of Speed On-off Valve of the invention has the advantages that control is flexible, cost performance is high, compact-sized.
Description
Technical field
The invention belongs to spiral oscillating cylinder technical field, the servo screw for referring in particular to a kind of Speed On-off Valve is swung
Cylinder.
Background technique
Spiral oscillating cylinder as rotation output hydraulic actuator, have it is compact-sized, occupy little space, securely and reliably,
Non-maintaining, high pressure, No leakage, output torque greatly etc. obvious advantages.
Spiral oscillating cylinder with SERVO CONTROL function, can carry out high-precision position control, and application field includes:
Aerial working platform vehicle process box is swung；The swing of mining equiment drill boom positions；The tire or crawler belt of agricultural equipment, highway equipment
It turns to；The swing of the executing agencies such as sweeper fork truck；The overturning etc. of garbage truck dustbin.It is limited especially suitable for installation space
The swing of executing agency is realized in structure application.But existing spiral oscillating cylinder is seldom able to carry out SERVO CONTROL, even has
The spiral oscillating cylinder of SERVO CONTROL function, also without using high-speed switch valve as power conversion components.
Summary of the invention
Goal of the invention:
The present invention is directed to propose a kind of servo screw oscillating cylinder of Speed On-off Valve, obtains a kind of using high-speed switch valve work
For the power conversion components of servo screw oscillating cylinder, have the advantages that control is flexible, cost performance is high, compact-sized.
Technical solution:
The servo screw oscillating cylinder of Speed On-off Valve, spiral oscillating cylinder are equipped with integrated package；The oil inlet pipe of spiral oscillating cylinder
It is connect with the end free flow coupling of integrated package, the oil return opening of spiral oscillating cylinder and the oil return pipe of integrated package connect；Spiral oscillating cylinder
Cylinder bottom encoder is installed, assigned high-speed switch valve on integrated package.
Further, encoder is connect by encoder connecting flange with spiral oscillating cylinder, on the cylinder barrel of spiral oscillating cylinder
It is fixed with integrated package, integrated package upper end is equipped with bite type end straight coupling body, is equipped with high-speed switch valve inside integrated package, integrates
The pipeline being connected to oil inlet pipe and oil return pipe is equipped in block, cylinder barrel bottom is equipped with supporting leg.
Further, the cylinder barrel both ends of spiral oscillating cylinder are passed through by the fixed cylinder head of ring flange and cylinder bottom, cylinder head and cylinder bottom
Tapered roller bearing is connect with piston rod rotation, and swivel nut is fixed on inner wall of cylinder inside cylinder barrel, the trapezoidal thread on swivel nut and sky
The external screw thread of heart screw-plunger engages, and the internal screw thread of cored screw piston is engaged with the screw thread on piston rod.
Further, oil inlet and oil return opening are equipped with above cylinder barrel to connect with the oil suction chamber of rotary oscillation cylinder and oil back chamber respectively
It is logical, be equipped with the rectangular rotary seal ring II of the rectangular rotary seal ring I in hole and hole between cylinder head and cylinder bottom and piston rod, cylinder barrel and
O-ring and O-ring retaining ring sealing are equipped between cylinder end flange disk and cylinder bottom ring flange.
Further, tapered roller bearing is respectively equipped between cylinder head and cylinder bottom and piston rod as piston rod rotary motion
Support, the tapered roller bearing of cylinder bottom is fixed between cylinder barrel and piston rod by snap ring；Cored screw piston and piston rod
Equipped with sealing ring.
Further, it is sealed by axis with rectangular rotary seal ring between cored screw piston and cylinder barrel, two axis sides
Guidance tape is equipped between shape rotary seal ring.
Further, between the screw thread and piston rod head on piston rod being integrally in the form of a column with cylinder head and cylinder end flange disk
The rectangular rotary seal ring I of through hole and hole are sealed with rectangular rotary seal ring II, and piston rod both ends are respectively provided with a mating hole
With the annular groove of rectangular rotary seal ring II, the screw thread on piston rod is engaged with the internal screw thread of cored screw piston, piston rod
Groove is cased with snap ring；The output shaft of piston rod bottom is connect with shaft coupling, and shaft coupling is connect with encoder, and encoder passes through coding
Device connecting flange is fixed.
Further, integrated package both ends are equipped with the duct for installing two screw-in cartridge valves, and two ducts pass through centre
Control mouth A link up, the duct M of top1、M2、M3And M4It is welded closure with steel ball after processing is completed, final oil return is by oil return
Mouth T oil return, P1、P2Mouth is by holding free flow coupling to connect respectively with oil inlet pipe and oil return pipe.
Further, encoder connecting flange is integrally in the form of a column, and column upper surface opening, there are a round hole, column in lower end surface
It is provided with through slot on face, is equipped with fixed ring on the outside of upper surface, fixed ring is bolted with cylinder bottom, and upper surface is equipped with fixation hole,
Encoder is fixed by bolt and encoder connecting flange.
Further, swivel nut is welded in inner wall of cylinder, and the hollow spiral shell engaged with swivel nut trapezoidal thread is equipped on the inside of swivel nut
The external screw thread of bar piston, swivel nut tail end side and cored screw piston tail part end side surface and oil inlet are vertically aligned, hollow spiral shell
Bar piston inside front ends are equipped with the internal screw thread engaged with piston rod thread, are close to be equipped with annular groove with internal screw thread.
Advantage and effect:
The present invention has the following advantages and beneficial effects:
One, applied widely: present invention employs the design of modular structure, spiral oscillating cylinder can without using encoder and
It works under the occasion of high-speed switch valve, since its output torque is big, pivot angle range is big, can replace hydraulic horse to a certain extent
It reaches；Spiral oscillating cylinder of the invention can reach: when 1. system pressure is 21MPa, output torque can reach 8000Nm；2. swinging
Angle can reach: 1200 °；3. being controlled by high-speed switch valve, cost can reduce by 15%；After 4. high-precision encoder is installed,
Repetitive positioning accuracy can reach: 1 '.
Two, compact-sized: compared to blade oscillating cylinder, swing angle has significantly spiral oscillating cylinder of the invention
It improves, and structure is more compact, output torque is bigger；In addition, encoder is connected by encoder connecting flange with cylinder bottom,
The axial length of oscillating cylinder is shortened to the full extent；Integrated package is connected with cylinder body upper end by welding, and passes through
Welded type bite type end straight coupling body, oil inlet pipe and oil return pipe are connected with oil inlet, oil return opening, ensure that control oil circuit away from
Short from most, structure is most compact, and linear loss is minimum.
Three, cost performance is high: the servo screw oscillating cylinder of Speed On-off Valve of the present invention is due to using high-speed switch valve
This relatively cheap power conversion components, compared to the proportional servo using servo valve or proportioning valve as power conversion components
For hydraulic actuator, there is higher price advantage, and the precision of the not damage control simultaneously.
Detailed description of the invention:
Fig. 1 is the servo screw oscillating cylinder overall structure diagram of Speed On-off Valve；
Fig. 2 is the main view of spiral oscillating cylinder；
Fig. 3 is the half sectional view of spiral oscillating cylinder；
Fig. 4 is the isometric side sectional structure chart of spiral oscillating cylinder；
Fig. 5 is encoder connecting flange three-dimensional structure diagram；
Fig. 6 is cylinder head three-dimensional structure diagram；
Fig. 7 is the schematic diagram of oil return pipe；
Fig. 8 is the schematic diagram of oil inlet pipe；
Fig. 9 is the schematic diagram of piston rod；
Figure 10 is integrated package half sectional view；
Figure 11 is integrated package sectional view；
Figure 12 is the isometric sectional view of cored screw piston；
Figure 13 is cored screw piston cross-sectional view；
Figure 14 is the isometric sectional view of swivel nut.
Description of symbols:
101 spiral oscillating cylinders, 102 integrated packages, 103 bite type end straight coupling bodies, 104 oil return pipes, 105 end free flow couplings,
106 oil inlet pipes, 107 shaft couplings, 108 encoder connecting flanges, 109 encoders.
1 cylinder barrel, 2 swivel nuts, 3 cored screw pistons, 4 piston rods, 5 tapered roller bearings, 6 cylinder heads, 7 cylinder bottoms, 8 cylinder bottom flanges
Disk, 9 cylinder end flange disks, 10 snap rings, 11 oil return openings, 12 supporting legs, 13 sealing rings, 14 holes are O-shaped with rectangular rotary seal ring I, 15
Circle, 16 O-ring retaining rings, the rectangular rotary seal ring of 17 axis, 18 guidance tapes, 19 screws, the rectangular rotary seal ring II in 20 holes.
Specific embodiment:
Following further describes the present invention with reference to the drawings:
The frequency that the servo screw oscillating cylinder of Speed On-off Valve of the present invention passes through the pwm signal of control input high-speed switch valve
Rate reaches the High-speed on-off control to high-speed switch valve valve port, and then realizes to the average flow rate for being passed through spiral oscillating cylinder 101
Continuous control.Simultaneously by being mounted on the encoder 109 of cylinder bottom 7, the output angle of oscillating cylinder is acquired, is determined by controller judgement
The size (being determined by controlling the frequency of pwm signal) of high-speed switch valve average flow rate, realizes and exports to spiral oscillating cylinder 101
The SERVO CONTROL of angle and output angular velocity.
As shown in Figure 1, Figure 2 and Figure 3, the servo screw oscillating cylinder 101101 of Speed On-off Valve, spiral oscillating cylinder 101
It is equipped with integrated package 102；The oil inlet pipe 106 of spiral oscillating cylinder 101 is connect with the end free flow coupling 105 of integrated package 102, spiral
The oil return opening 11 of oscillating cylinder 101 is connect with the oil return pipe 104 of integrated package 102；The cylinder bottom 7 of spiral oscillating cylinder 101 is equipped with coding
Device 109 has assigned high-speed switch valve on integrated package 102.
Spiral oscillating cylinder 101 is equipped with encoder connecting flange 108 and encoder 109 in cylinder bottom 7, can acquire pendulum in real time
Dynamic cylinder output shaft angle.Integrated package 102 is welded on 1 top of cylinder barrel of spiral oscillating cylinder 101, for installing the integrated height of plug-in
Fast switch valve, and arrange pipeline, realize the control of spiral oscillating cylinder 101 rotation direction and rotational angular velocity.Spiral oscillating cylinder 101
109 output shaft of encoder is connected and is fixed with oscillating cylinder output shaft by 109 connecting flange 108 of encoder, is realized to pendulum
The real-time monitoring and acquisition of dynamic cylinder output shaft angle., it is apparent that oil inlet pipe 106 from Fig. 1, Fig. 2 and Fig. 7 and Fig. 8
One end and integrated package 102 pass through end free flow coupling 105 and P1Mouth connection, the other end connect the oil inlet of spiral oscillating cylinder 101；
104 one end of oil return pipe passes through end free flow coupling 105 and P2Mouth connection, the other end connect the oil return opening 11 of spiral oscillating cylinder 101.
Integrated package 102 is connected with cylinder body by welding, and by welded type end free flow coupling 105, oil inlet pipe 106 and returns
Oil pipe 104 is connected with oil inlet, oil return opening 11, ensure that control oil circuit distance is most short, structure is most compact, and linear loss is most
It is small.
Encoder 109 is connect by encoder connecting flange 108 with spiral oscillating cylinder 101, the cylinder barrel of spiral oscillating cylinder 101
Integrated package 102 is fixed on 1,102 upper end of integrated package is equipped with bite type end straight coupling body 103, is equipped with inside integrated package 102
High-speed switch valve, integrated package 102 is interior to be equipped with the pipeline being connected to oil inlet pipe 106 and oil return pipe 104, and 1 bottom of cylinder barrel is equipped with supporting leg
12.Supporting leg both ends are equipped with bolt hole, spiral oscillating cylinder can be fixed.
Being inserted in the high-speed switch valve among integrated package can use the red woods in Guizhou automobile-used using many models, the present invention
The high-speed switch valve of the HSV-3143S3 of electronic control technology Co., Ltd production.
Integrated package 102 be equipped with installation insertion high-speed switch valve mounting hole, bite type end straight coupling body 103 with it is hydraulic
Sebific duct is connected, and is connected through a screw thread with hydralic hose.For being passed through hydraulic oil, work.
101 cylinder body of spiral oscillating cylinder is connect with stabilizer blade by welding manner, and the positioning and installation of oscillating cylinder are facilitated.
As shown in figure 4,1 both ends of cylinder barrel of spiral oscillating cylinder 101 pass through the fixed cylinder head 6 of ring flange and cylinder bottom 7,6 He of cylinder head
Cylinder bottom 7 is rotatablely connected by tapered roller bearing 5 and piston rod 4, and 1 inside swivel nut 2 of cylinder barrel is fixed on 1 inner wall of cylinder barrel, on swivel nut 2
Trapezoidal thread engaged with the external screw thread of cored screw piston 3, the screw thread on the internal screw thread of cored screw piston 3 and piston rod 4
Engagement.For spiral oscillating cylinder 101 of the invention when system pressure is 21MPa, output torque can reach 8000Nm；Swing angle
It can reach: 1200 °；It is controlled by high-speed switch valve, cost can reduce by 15%；After high-precision encoder 109 is installed, repeat
Positioning accuracy can reach: 1 '.
As shown in fig. 6, the cylinder head 6 of spiral oscillating cylinder 101 and cylinder end flange disk 9 are fixed on 1 head of cylinder barrel by screw 19,
The cylinder bottom 7 and cylinder bottom ring flange 8 of spiral oscillating cylinder 101 are fixed on 1 bottom of cylinder barrel by screw 19.Inside spiral oscillating cylinder 101
By being welded to connect before swivel nut 2 and cylinder barrel 1, as first order helicoidal gear.Trapezoidal thread and hollow spiral shell on swivel nut 2
The external screw thread of bar piston 3 is meshed, and cored screw piston 3 makes rotating motion while moving horizontally, and realizes spiral oscillating cylinder
101 first order worm drive.
Oil inlet is equipped with above cylinder barrel 1 and oil return opening 11 is connected to the oil suction chamber of rotary oscillation cylinder and oil back chamber respectively, cylinder
The rectangular rotary seal ring I 14 in hole and hole rectangular rotary seal ring II 20, cylinder are equipped between first 6 and cylinder bottom 7 and piston rod 4
It is equipped with O-ring 15 between cylinder 1 and cylinder end flange disk 9 and cylinder bottom ring flange 8 and O-ring retaining ring 16 seals.
As shown in figure 3, integrated package 102 passes through welded type end free flow coupling 105 and oil inlet pipe 106, oil return pipe 104 and pendulum
Oil inlet, the oil return opening 11 of dynamic cylinder are connected, and control oil suction chamber and oil back chamber that oil imports or exports oscillating cylinder.Oil inlet and return
Two working chambers that the setting of hydraulic fluid port 11 is used to spiral oscillating cylinder 101 are passed through hydraulic oil.
As shown in Figure 4 and Figure 6, through hole is carried out with rectangular rotary seal ring I 14 between cylinder head 6, cylinder bottom 7 and piston rod 4
Sealing, between cylinder head 6 and cylinder barrel 1, between cylinder bottom 7 and cylinder barrel 1 with the rectangular rotary seal ring II in hole that is cased on piston rod 4
20 realize sealing, in order to guarantee the sealing in cylinder barrel 1.Likewise, between cylinder barrel 1 and cylinder end flange disk 9 and cylinder bottom ring flange 8
It is sealed equipped with O-ring 15 and O-ring retaining ring 16.
Tapered roller bearing 5 is respectively equipped between cylinder head 6 and cylinder bottom 7 and piston rod 4, as 4 rotary motion of piston rod
The tapered roller bearing 5 of support, cylinder bottom 7 is fixed between cylinder barrel 1 and piston rod 4 by snap ring 10；Cored screw piston 3 and work
Stopper rod 4 is equipped with sealing ring 13.
The effect of tapered roller bearing 5 is to realize the support of 4 rotary motion of piston rod, in cylinder head 6, tapered roller bearing 5
9 inside of cylinder end flange disk is stuck in by the screw thread on the groove and piston rod 4 of 9 inside of cylinder end flange disk；In cylinder bottom 7, circular cone rolling
Sub- bearing 5 is stuck in cylinder bottom method with the snap ring 10 being arranged on the groove of 4 tail end of piston rod by the groove of 8 inside of cylinder bottom ring flange
Blue 8 inside of disk.The outside of tapered roller bearing 5 is fixed, inside is contacted with piston rod 4, realizes the branch of 4 rotary motion of piston rod
Support, while 101 internal structure of spiral oscillating cylinder is compact, stable plunger bar 4.
It is sealed by axis with rectangular rotary seal ring 17 between cored screw piston 3 and cylinder barrel 1, the rectangular revolution of two axis
Guidance tape 18 is equipped between sealing ring 17.
Axis is to guarantee the leakproofness of oil back chamber with the effect that rectangular rotary seal ring 17 seals, and makes oil back chamber and piston rod 4
It is isolated with swivel nut 2, makes to form an annular space between piston rod 4 and swivel nut 2.The effect of guidance tape 18 is to prevent oil cylinder and work
The guiding role of the abrasion of stopper rod 4 and protection sealing element sealing.
As shown in figure 9, the piston rod 4 being integrally in the form of a column, between 4 head of screw thread and piston rod on piston rod 4 with cylinder head 6
It is sealed with the rectangular rotary seal ring II 20 of the rectangular rotary seal ring I 14 of 9 through hole of cylinder end flange disk and hole, piston rod 4
Both ends are respectively provided with mating hole annular groove of rectangular rotary seal ring II 20, and the screw thread on piston rod 4 and cored screw are living
The internal screw thread engagement of plug 3, the groove of piston rod 4 are cased with snap ring 10；The output shaft of 4 bottom of piston rod is connect with shaft coupling 107, connection
Axis device 107 is connect with encoder 109, and encoder 109 is fixed by encoder connecting flange 108.The interior spiral shell of cored screw piston 3
Line is connect with the internal screw thread of piston rod 4, and external screw thread is engaged with the inside trapezoidal thread on swivel nut 2.Spiral oscillating cylinder 101 passes through volume
109 output shaft of encoder is connected and is fixed with oscillating cylinder output shaft by code device connecting flange 108, is realized to oscillating cylinder output shaft
The real-time monitoring and acquisition of corner.
As shown in Figure 10 and Figure 11,102 both ends of integrated package are equipped with for installing the ducts of two screw-in cartridge valves, and two
Duct is linked up by intermediate control mouth A, the duct M of top1、M2、M3And M4It is welded closure with steel ball after processing is completed, finally
Oil return by oil return inlet T oil return, P1、P2Mouth welding system pressure oil, that is to say, that P1、P2Mouth is by holding free flow coupling 105 to divide
It is not connect with oil inlet pipe 106 and oil return pipe 104.
The cross-sectional view of integrated package 102 is as shown in figure 11.The both ends of integrated package 102 are equipped with processing duct, can install two
Screw-in cartridge valve.The duct of two installation screw-in cartridge valves is linked up in opposite directions, and A mouthfuls of control mouth share, and is simplified to the full extent integrated
102 internal oil passages of block.Duct M1、M2、M3And M4It is welded closure with steel ball after processing is completed, final oil return is returned by oil return inlet T
Oil.P1、P2Mouth welding system pressure oil.102 oil circuit of integrated package designed in this way installs inserting valve components in which can be convenient, and accounts for
Small with space, internal oil passages are simple, while realizing SERVO CONTROL function.
It is in the form of a column as shown in figure 5, encoder connecting flange 108 is whole, there is a circle in column upper surface opening, lower end surface
Hole is provided with through slot on cylinder, is equipped with fixed ring on the outside of upper surface, and fixed ring is bolted with cylinder bottom 7, and upper surface, which is equipped with, to be consolidated
Determine hole, encoder 109 is fixed by bolt and encoder connecting flange 108.
Encoder connecting flange 108 is bolted when fixed with cylinder bottom 7；The effect of through slot is to join in order to facilitate the installation of
Axis device 107 and the rotating effect for observing encoder 109.
The present invention is applicable in a variety of encoders, wherein encoder model are as follows: BMQ3805J12SSI.01, producer: Hefei age
Intelligent technology limited is the encoder model used when present invention test.
As shown in Figure 12, Figure 13 and Figure 14, swivel nut 2 is welded on 1 inner wall of cylinder barrel, is equipped on the inside of swivel nut 2 trapezoidal with swivel nut 2
The external screw thread of the cored screw piston 3 of screw thread engagement, 2 tail end side of swivel nut and 3 tail end side of cored screw piston and oil inlet
Vertically aligned, 3 inside front ends of cored screw piston are equipped with the internal screw thread engaged with 4 screw thread of piston rod, are close to internal screw thread
Equipped with annular groove.Internal screw thread on 101 cylinder body of spiral oscillating cylinder uses seperated structure, i.e. internal screw thread adds on swivel nut 2
Work, and swivel nut 2 is welded on 1 inner wall of cylinder barrel, it is such to design the manufacture and installation for facilitating internal screw thread.
The servo screw oscillating cylinder course of work of Speed On-off Valve of the invention:
High pressure oil enters integrated package 102 by high-speed switch valve, enters spiral oscillating cylinder 101 by oil inlet pipe 106 and oil inlet
Oil suction chamber, high pressure oil pushes cored screw piston 3 to rotate while translation, and cored screw piston 3 and piston
It is meshed, under the support of tapered roller bearing 5, is meshed with the screw thread on piston rod 4, piston rod 4 is driven to rotate, realize pendulum
The swing output of dynamic cylinder.Conversely, from oil return pipe 104, oil return opening 11 enters spiral oscillating cylinder when high pressure oil is by integrated package 102
When 101 oil back chamber, cored screw piston 3 will be pushed to rotate while translation to opposite direction, and then drives piston rod 4 anti-
To rotation, the backswing output of oscillating cylinder is realized.
Claims (10)
1. the servo screw oscillating cylinder of Speed On-off Valve, it is characterised in that: spiral oscillating cylinder (101) is equipped with integrated package
(102)；The oil inlet pipe (106) of spiral oscillating cylinder (101) is connect with the end free flow coupling (105) of integrated package (102), spiral pendulum
The oil return opening (11) of dynamic cylinder (101) is connect with the oil return pipe (104) of integrated package (102)；The cylinder bottom (7) of spiral oscillating cylinder (101)
It is equipped with encoder (109), integrated package has assigned high-speed switch valve on (102).
2. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: encoder
(109) it is connect by encoder connecting flange (108) with spiral oscillating cylinder (101), on the cylinder barrel (1) of spiral oscillating cylinder (101)
It is fixed with integrated package (102), integrated package (102) upper end is equipped with bite type end straight coupling body (103), and integrated package (102) is internal
High-speed switch valve is installed, is equipped with the pipeline being connected to oil inlet pipe (106) and oil return pipe (104), cylinder barrel in integrated package (102)
(1) bottom is equipped with supporting leg (12).
3. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: spiral oscillating cylinder
(101) cylinder barrel (1) both ends pass through taper roller by ring flange fixed cylinder head (6) and cylinder bottom (7), cylinder head (6) and cylinder bottom (7)
Bearing (5) and piston rod (4) are rotatablely connected, and the internal swivel nut (2) of cylinder barrel (1) is fixed on cylinder barrel (1) inner wall, the ladder on swivel nut (2)
Shape screw thread is engaged with the external screw thread of cored screw piston (3), the internal screw thread and the spiral shell on piston rod (4) of cored screw piston (3)
Line engagement.
4. the servo screw oscillating cylinder of Speed On-off Valve according to claim 3, it is characterised in that: on cylinder barrel (1)
Side is equipped with oil inlet and oil return opening (11) is connected to the oil suction chamber of rotary oscillation cylinder and oil back chamber respectively, cylinder head (6) and cylinder bottom (7)
Hole is equipped between piston rod (4) with rectangular rotary seal ring I (14) and hole rectangular rotary seal ring II (20), cylinder barrel (1)
It is equipped with O-ring (15) between cylinder end flange disk (9) and cylinder bottom ring flange (8) and O-ring retaining ring (16) seals.
5. the servo screw oscillating cylinder of Speed On-off Valve according to claim 3, it is characterised in that: cylinder head (6) and
Support of the tapered roller bearing (5) as piston rod (4) rotary motion, cylinder bottom are respectively equipped between cylinder bottom (7) and piston rod (4)
(7) tapered roller bearing (5) is fixed between cylinder barrel (1) and piston rod (4) by snap ring (10)；Cored screw piston (3)
Sealing ring (13) are equipped with piston rod (4).
6. the servo screw oscillating cylinder of Speed On-off Valve according to claim 3, it is characterised in that: cored screw is living
Fill between (3) and cylinder barrel (1) through axis rectangular rotary seal ring (17) sealing, two axis with rectangular rotary seal ring (17) it
Between be equipped with guidance tape (18).
7. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: whole to be in the form of a column
Piston rod (4) on screw thread and piston rod (4) head between with cylinder head (6) and cylinder end flange disk (9) through hole with rectangular time
Turn sealing ring I (14) and hole to be sealed with rectangular rotary seal ring II (20), piston rod (4) both ends are respectively provided with a mating hole side
The annular groove of shape rotary seal ring II (20), the screw thread on piston rod (4) are engaged with the internal screw thread of cored screw piston (3), living
The groove of stopper rod (4) is cased with snap ring (10)；The output shaft of piston rod (4) bottom is connect with shaft coupling (107), shaft coupling (107)
It is connect with encoder (109), encoder (109) is fixed by encoder connecting flange (108).
8. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: integrated package
(102) both ends are equipped with the duct for installing two screw-in cartridge valves, and two ducts are linked up by intermediate control mouth A, top
Duct M1、M2、M3And M4It is welded closure with steel ball after processing is completed, final oil return is by oil return opening (11) T oil return, P1、P2Mouthful
By holding free flow coupling (105) to connect respectively with oil inlet pipe (106) and oil return pipe (104).
9. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: encoder connection
Flange (108) is integrally in the form of a column, and there is a round hole in column upper surface opening, lower end surface, and through slot, upper surface outside are provided on cylinder
Equipped with fixed ring, fixed ring is bolted with cylinder bottom (7), upper surface be equipped with fixation hole, encoder (109) by bolt with
Encoder connecting flange (108) is fixed.
10. the servo screw oscillating cylinder of Speed On-off Valve according to claim 1, it is characterised in that: swivel nut (2) weldering
It connects on cylinder barrel (1) inner wall, the outer spiral shell of the cored screw piston (3) engaged with swivel nut (2) trapezoidal thread is equipped on the inside of swivel nut (2)
Line, swivel nut (2) tail end side and cored screw piston (3) tail end side and oil inlet are vertically aligned, cored screw piston
(3) inside front ends are equipped with the internal screw thread engaged with piston rod (4) screw thread, are close to be equipped with annular groove with internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264530.XA CN109812465A (en) | 2019-04-03 | 2019-04-03 | The servo screw oscillating cylinder of Speed On-off Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264530.XA CN109812465A (en) | 2019-04-03 | 2019-04-03 | The servo screw oscillating cylinder of Speed On-off Valve |
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| CN109812465A true CN109812465A (en) | 2019-05-28 |
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| CN201910264530.XA Pending CN109812465A (en) | 2019-04-03 | 2019-04-03 | The servo screw oscillating cylinder of Speed On-off Valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283198A (en) * | 2020-11-17 | 2021-01-29 | 山东益诚液压设备有限公司 | Mechanical self-locking spiral swinging oil cylinder |
| CN113819108A (en) * | 2021-09-29 | 2021-12-21 | 辽宁工程技术大学 | Digital spiral swing fluid cylinder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517206U (en) * | 1991-08-20 | 1993-03-05 | エスペロバルブ製造株式会社 | Rocking cylinder |
| JP2005325959A (en) * | 2004-05-17 | 2005-11-24 | Sumitomo Heavy Industries Techno-Fort Co Ltd | Electro-hydraulic actuator |
| CN101344102A (en) * | 2008-08-27 | 2009-01-14 | 华南理工大学 | Plunger type double-ejector rod gas-liquid vat and gas-liquid combination-controlled position and speed servo control device |
| CN101701594A (en) * | 2009-10-27 | 2010-05-05 | 淮海工学院 | Independent controllable large rotating angle electrohydraulic servo oscillating hydraulic cylinder |
| CN105952707A (en) * | 2016-06-30 | 2016-09-21 | 东南大学 | Integrated servo hydraulic oscillating cylinder with multiple-sealing effect |
| CN108098826A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | A kind of large scale industry robot hydraulic servo-joint |
| WO2018103681A1 (en) * | 2016-12-08 | 2018-06-14 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
| CN209743287U (en) * | 2019-04-03 | 2019-12-06 | 沈阳工业大学 | servo spiral oscillating cylinder controlled by high-speed switch valve |
-
2019
- 2019-04-03 CN CN201910264530.XA patent/CN109812465A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0517206U (en) * | 1991-08-20 | 1993-03-05 | エスペロバルブ製造株式会社 | Rocking cylinder |
| JP2005325959A (en) * | 2004-05-17 | 2005-11-24 | Sumitomo Heavy Industries Techno-Fort Co Ltd | Electro-hydraulic actuator |
| CN101344102A (en) * | 2008-08-27 | 2009-01-14 | 华南理工大学 | Plunger type double-ejector rod gas-liquid vat and gas-liquid combination-controlled position and speed servo control device |
| CN101701594A (en) * | 2009-10-27 | 2010-05-05 | 淮海工学院 | Independent controllable large rotating angle electrohydraulic servo oscillating hydraulic cylinder |
| CN105952707A (en) * | 2016-06-30 | 2016-09-21 | 东南大学 | Integrated servo hydraulic oscillating cylinder with multiple-sealing effect |
| WO2018103681A1 (en) * | 2016-12-08 | 2018-06-14 | 镇江大力液压马达股份有限公司 | Cycloid hydraulic motor |
| CN108098826A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | A kind of large scale industry robot hydraulic servo-joint |
| CN209743287U (en) * | 2019-04-03 | 2019-12-06 | 沈阳工业大学 | servo spiral oscillating cylinder controlled by high-speed switch valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283198A (en) * | 2020-11-17 | 2021-01-29 | 山东益诚液压设备有限公司 | Mechanical self-locking spiral swinging oil cylinder |
| CN113819108A (en) * | 2021-09-29 | 2021-12-21 | 辽宁工程技术大学 | Digital spiral swing fluid cylinder |
| CN113819108B (en) * | 2021-09-29 | 2023-07-14 | 辽宁工程技术大学 | Digital spiral swing fluid cylinder |
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