CN109058217A - A kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure - Google Patents
A kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure Download PDFInfo
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- CN109058217A CN109058217A CN201811221756.3A CN201811221756A CN109058217A CN 109058217 A CN109058217 A CN 109058217A CN 201811221756 A CN201811221756 A CN 201811221756A CN 109058217 A CN109058217 A CN 109058217A
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- 230000002146 bilateral effect Effects 0.000 claims description 6
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Classifications
-
- 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
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
-
- 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
-
- 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
- F15B15/26—Locking mechanisms
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention discloses a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structures, including cylinder block, output shaft, fixed curved blade component, rotation circular arc blade assembly, left floating arc end cover, right floating arc end cover, sealing element and fastening accessory；Output shaft is fixed on the axis of cylinder block by sliding bearing；Outer lug periphery of the semicircle cambered surface curved surface relatively with the internal projection cylindrical surface of cylinder block, output shaft on left and right floating arc end cover constitutes a closed annular cavity body；The shape of fixed curved blade and rotation curved blade is one section of annular cavity body, they cooperate well with annular cavity body, and fixed curved blade component is bolted on cylinder block, and rotation circular arc blade assembly is fixed on output shaft.The present invention substantially increases the output torque under same outer dimension, and interior leakage is no better than zero, can be realized the rotation locking of output shaft, and volumetric efficiency is higher.
Description
Technical field
The invention belongs to mechanical equipment technical fields, are related to oscillating oil cylinder, and in particular to a kind of high pressure big swing angle circular arc
Vane type oscillating oil cylinder structure.
Background technique
There are mainly two types of drive forms for big swing angle oscillating oil cylinder at present: double helix drives oscillating oil cylinder；Vane type swings oil
Cylinder.Double helix driving oscillating oil cylinder can bear the pressure of 21MPa or more, by rationally designing helix length, the pendulum of output
There is no limit for dynamic angle, but double helix driving oscillating oil cylinder is the rotation fortune that conversion acquisition is engaged by spiral due to being driven
It is dynamic, therefore transmission efficiency is low；In the case where identical swings angle and output torque, radial and axial size is all larger than vane type pendulum
Dynamic oil cylinder, therefore it is not suitable for the high occasion of compact dimensions, transmission efficiency, such as the joint of robot.Vane type is swung
Oil cylinder directly generates output swing torque by the active area of blade, therefore transmission efficiency is high, compact-sized, especially in being suitable for
The high occasion of compact dimensions, transmission efficiency.
Existing vane type oscillating oil cylinder is primarily present following problems: (1) operating pressure is low, causes output torque limited；
(2) leakage is big in, cannot achieve the rotation locking of output shaft, and application is limited；(3) volumetric efficiency is too low.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of swings of high pressure big swing angle curved blade formula
Cylinder structure may operate in 21MPa pressure above, substantially increase the output torque under same outer dimension, and interior leakage is several
It is equal to zero, can be realized the rotation locking of output shaft, volumetric efficiency is higher.
For this purpose, the invention adopts the following technical scheme:
A kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure, including cylinder block, output shaft, fixed curved blade
Component, rotation circular arc blade assembly, left floating arc end cover and its left adjusting end cap, right floating arc end cover and its
Right adjusting end cap, left axle are to load end cap, right axle to load end cap, sealing element and fastening accessory；
The cylinder block is bilateral symmetry, and middle is equipped with an aperture, and both ends are respectively equipped with a macropore, is formed left
Right two inner hole shaft shoulders；Both ends macropore is respectively equipped with hole circlip groove close to cylinder block end, and the first hole use is equipped in slot
Retaining ring and the second hole retaining ring；Both ends macropore is respectively equipped with O-ring slot at aperture, and the first O-ring and are equipped in slot
Two O-rings；
Edge is axially arranged with annular semicircle arc surface on the left floating arc end cover and right floating arc end cover；
It is equipped with O-ring slot close to the end face of annular semicircle arc surface, the second O-ring is installed in slot；Left floating arc end cover
It is held with being separately installed with first sliding axle on the inner hole of right floating arc end cover and holding second sliding axle；
The output shaft is bilateral symmetry, and output shaft middle is equipped with major diameter axis, and output shaft both ends are equipped with small straight
Journal axle forms two shaft shoulders in left and right；Axis both sides of the face are circumferentially equipped with threaded hole；
The left adjusting end cap and right adjustable side cover rim circumference are equipped with threaded hole；
The left axle has flange shape to load end cap and right axle to load end cap, and the inside of a side end face is circumferentially set
There is bolt hole, other side end face is equipped with annular groove；
Left axle is from left to right successively arranged in the cylinder block to push away to load end cap, the first v-ring, first axis
Power bearing, left adjusting end cap, left floating arc end cover, right floating arc end cover, right adjusting end cap, second axially push away
Power bearing, the second v-ring, right axle are to load end cap；It is close to oil cylinder in the circular arc camber side of left floating arc end cover
The left inside hole shaft shoulder of body；The left right end face for adjusting end cap left end face with the first hole retaining ring being mounted on the left of cylinder block
It is close to；The left threaded hole adjusted on end cap circumference is equipped with the first holding screw, and the right end face of the first holding screw and a left side are floating
The left end face of dynamic arc end cover is close to；It is close in the right side of cylinder block the circular arc camber side of right floating arc end cover
The hole shaft shoulder；Right adjusting end cap right end face is close to the left end face for the second hole retaining ring being mounted on the right side of cylinder block；It is right
It adjusts the threaded hole on end cap circumference and the second holding screw is installed, the second holding screw left end face and right floating arc seal
The right end face of end cap is close to；Two O-rings and left floating arc end cover and right floating arc being mounted on cylinder block
Shape end cover outer circle is close to, for providing left and right two big inner hole hole curved surface of cylinder block and left and right floating arc end cover
The sealing of the outer round surface shaft shoulder；
The rotation circular arc blade assembly is fixed in the axial direction of output shaft；The fixed curved blade component is fastened on oil
The bottom of cylinder cylinder body；
The both ends small diameter shaft of the output shaft respectively be mounted on left floating arc end cover and right floating arc is close
Block the bearing fit covered；The left and right shaft shoulder on output shaft respectively with the O that is mounted on left and right floating arc end cover
Type circle is close to, close with the left and right floating arc end cover end face shaft shoulder respectively for providing the left and right shaft shoulder on output shaft
Envelope；
The cylinder block pin hole inner periphery curved surface, output shaft major diameter axis peripheral curved, left floating arc end cover
Semicircle arc surface, right floating arc end cover semicircle arc surface constitute a closed annular cavity body.
Preferably, the rotation circular arc blade assembly is mainly by rotation curved blade, third O-ring, blade end cap, second
Hexagon-headed bolt and the second plain cushion composition, the rotation curved blade two sides are respectively socketed 1 third O-ring, 2 third O-rings
It is close to fix respectively with 2 blade end caps, second hexagon-headed bolt and the second plain cushion respectively fix two blade end caps
To the two sides of rotation curved blade；The top of the rotation curved blade is equipped with one group of bolt hole.
Preferably, the rotation circular arc blade assembly passes through rotation curved blade top by one group of second Allen bolt
The circular hole in portion is fixed in the axial direction of output shaft.
Preferably, the fixed curved blade component is mainly by fixed curved blade, third O-ring, blade end cap, second
Hexagon-headed bolt and the second plain cushion composition, the fixed curved blade two sides are respectively socketed 1 third O-ring, 2 third O-rings
It is close to fix respectively with 2 blade end caps, second hexagon-headed bolt and the second plain cushion respectively fix two blade end caps
To the two sides of fixed curved blade；The top of the fixed curved blade is equipped with one group of screw hole.
Preferably, the fixed curved blade component passes through the logical of cylinder block bottom by one group of first hexagon-headed bolt
Hole is fastened on the top screw hole of fixed curved blade, and it is flat that first is equipped between first hexagon-headed bolt and cylinder block
Pad.
Preferably, the shape of the fixed curved blade and rotation curved blade is one section of annular cavity body, they
It cooperates with the annular cavity body；The fixed curved blade component and rotation circular arc blade assembly divide annular cavity body
It is divided into two cavitys.
Preferably, left floating arc end cover and right floating arc are close in the side of 2 axial thrust bearings respectively
On the non-semi arch end face of shape end cover；The other side of 2 axial thrust bearings is tightly attached to left axle to load end cap respectively
With right axle on the interior annular groove of load end cap.
Preferably, the left axle passes through one group of first Allen bolt to load end cap and right axle to load end cap respectively
It is fixed to across its circumferential bolt hole on the threaded hole of the arranged on left and right sides end face of output shaft.
Preferably, 2 V-shaped seal rings are separately fixed at left axle to load end cap and right axle to load end cap circumference
On, the outer lip of 2 v-rings is tightly attached to respectively on the big hole curved surface of cylinder block.
Preferably, the two sides that bottom is located at fixed curved blade component in the cylinder block set that there are two oilholes and hydraulic
Connector, can be with external hydraulic pressure hydraulic fluid port and oil return opening, for driving oscillating oil cylinder to rotate.
Compared with prior art, the beneficial effects of the present invention are:
(1) oscillating oil cylinder operating pressure is greater than 21MPa or more, substantially increases the output torque energy under same outer dimension
Power.
(2) leakage is no better than zero in oscillating oil cylinder.
(3) by setting hydraulic lock, the rotation lock function of output shaft may be implemented.
(4) swing angle is up to 300 ° or more.
(5) by increasing fixed curved blade in pairs, rotation curved blade can be multiplied output torque.
(6) volumetric efficiency is higher.
(7) compact-sized, transmission efficiency is high.
Detailed description of the invention
Fig. 1 is a kind of general assembly structural representation of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
Figure.
Fig. 2 is a kind of left view of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention.
Fig. 3 is a kind of A-A cross-section structure of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
Figure.
Fig. 4 is a kind of stereochemical structure signal of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
Figure.
Fig. 5 is to rotate curved blade in a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
General assembly structural schematic diagram.
Fig. 6 is to rotate curved blade in a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
Explosive view.
Fig. 7 is to fix curved blade in a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
General assembly structural schematic diagram.
Fig. 8 is to fix curved blade in a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure provided by the present invention
Explosive view.
Description of symbols: 1, oilhole and hydraulic joint；2, the first O-ring；3, the first hole retaining ring；4, left adjustable side
Lid；5, the first v-ring；6, the first holding screw；7, first axis thrust bearing；8, first sliding axle is held；9, output shaft；
10, the first Allen bolt；11, the second O-ring；12, left axle is to load end cap；13, left floating arc end cover；14,
Cylinder block；15, right axle is to load end cap；16, right floating arc end cover；17, fixed curved blade；18, the first plain cushion；
19, the first hexagon-headed bolt；20, third O-ring；21, blade end cap；22, the second plain cushion；23, the second hexagon-headed bolt；24,
Second Allen bolt；25, curved blade is rotated；26, right adjusting end cap；27 second axial thrust bearings；28, the second sliding
Bearing；29, the second V-shaped seal ring；30, the second hole retaining ring；31, the second holding screw.
Specific embodiment
With reference to the accompanying drawing and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only
For explaining the present invention, but it is not as a limitation of the invention.
As Figure 1-Figure 4, the invention discloses a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structures, including oil
Cylinder cylinder body 14, output shaft 9, fixed curved blade component, rotation circular arc blade assembly, left floating arc end cover 13 and its a left side
End cap 4, right floating arc end cover 16 and its right adjusting end cap 26, left axle are adjusted to load end cap 12, right axle to load end
Lid 15, sealing element and fastening accessory；
The cylinder block 14 is bilateral symmetry, and middle is equipped with an aperture, and both ends are respectively equipped with a macropore, is formed
The two inner hole shaft shoulders in left and right；Both ends macropore is respectively equipped with hole circlip groove close to cylinder block end, and the first hole is equipped in slot
With retaining ring 3 and the second hole retaining ring 30；Both ends macropore is respectively equipped with O-ring slot at aperture, and the first O-ring is equipped in slot
2 and second O-ring 11；
Edge is axially arranged with annular semi arch on the left floating arc end cover 13 and right floating arc end cover 16
Curved surface；It is equipped with O-ring slot close to the end face of annular semicircle arc surface, the second O-ring 11 is installed in slot；Left floating arc is close
It is separately installed with first sliding axle on the inner hole of sealing end lid 13 and right floating arc end cover 16 and holds 8 second sliding axles and hold 28；
The output shaft 9 is bilateral symmetry, and 9 middle of output shaft is equipped with major diameter axis, and output shaft both ends are equipped with small
Diameter shaft forms two shaft shoulders in left and right；Axis both sides of the face are circumferentially equipped with threaded hole；
The left adjusting end cap 4 and right adjusting end cap 26 are circumferentially equipped with threaded hole；
The left axle has flange shape, the interior lateral edge circle of a side end face to load end cap 12 and right axle to load end cap 15
It is equipped with bolt hole week, other side end face is equipped with annular groove；
Left axle is from left to right successively arranged in the cylinder block 14 to load end cap 12, the first v-ring 5, first
Axial thrust bearing 7, left adjusting end cap 4, left floating arc end cover 13, right floating arc end cover 16, right adjustable side
Lid 26, the second axial thrust bearing 27, the second v-ring 29, right axle are to load end cap 15；Left floating arc end cover 13
Circular arc camber side be close to cylinder block 14 the left inside hole shaft shoulder；Left 4 left end face of adjusting end cap and it is mounted on cylinder block 14
The right end face of first hole in left side retaining ring 3 is close to；The left threaded hole adjusted on 4 circumference of end cap is equipped with the first holding screw
6, the right end face of the first holding screw 6 is close to the left end face of left floating arc end cover 13；Right floating arc sealing
It is close to the right inner hole shaft shoulder of cylinder block 14 in the circular arc camber side of end cap 16；Right 26 right end face of adjusting end cap and it is mounted on oil cylinder
The left end face of the second hole retaining ring 30 on 14 right side of cylinder body is close to；The right threaded hole adjusted on 26 circumference of end cap is equipped with second
Holding screw 31,31 left end face of the second holding screw are close to the right end face of right floating arc end cover 16；It is mounted on
Two O-rings 2 and 11 and left floating arc end cover 13 and right 16 outer circle of floating arc end cover on cylinder block 14
It is close to, for providing the round surface shaft shoulder outside left and right two big inner hole hole curved surface of cylinder block and left and right floating arc end cover
Sealing；
The rotation circular arc blade assembly is fixed in the axial direction of output shaft 9；The fixed curved blade component is fastened on
The bottom of cylinder block 14；
The both ends small diameter shaft of the output shaft 9 respectively be mounted on left floating arc end cover 13 and right floating arc
Bearing fit on end cover 16；The left and right shaft shoulder on output shaft 9 respectively be mounted on left and right floating arc end cover
On O-ring be close to, for provide the left and right shaft shoulder on output shaft respectively with the left and right floating arc end cover end face shaft shoulder
Sealing；
The 14 pin hole inner periphery curved surface of cylinder block, 9 major diameter axis peripheral curved of output shaft, left floating arc sealed end
Semicircle arc surface one closed annular cavity body of composition of the semicircle arc surface of lid 13, right floating arc end cover 16.
Specifically, as shown in Figure 5 and Figure 6, the rotation circular arc blade assembly is mainly by rotation curved blade 25, the 3rd O
Type circle 20, blade end cap 21, the second hexagon-headed bolt 23 and the second plain cushion 22 composition, 25 two sides of rotation curved blade respectively cover
It connects 1 third O-ring, 20,2 third O-rings 20 to be close to fix respectively with 2 blade end caps 21, second hexagon-headed bolt
23 and second plain cushion 22 respectively by two blade end caps 21 be fixed to rotation curved blade 25 two sides；The rotation curved blade
25 top is equipped with one group of bolt hole.
Specifically, the rotation circular arc blade assembly passes through rotation curved blade by one group of second Allen bolt 24
The circular hole at top is fixed in the axial direction of output shaft 9.
Specifically, as shown in Figure 7 and Figure 8, the fixed curved blade component is mainly by fixed curved blade 17, the 3rd O
Type circle 20, blade end cap 21, the second hexagon-headed bolt 23 and the second plain cushion 22 composition, fixed 17 two sides of curved blade respectively cover
It connects 1 third O-ring, 20,2 third O-rings 20 to be close to fix respectively with 2 blade end caps 21, second hexagon-headed bolt
23 and second plain cushion 22 two blade end caps 21 are fixed to the two sides of fixed curved blade 17 respectively；The fixed curved blade
25 top is equipped with one group of screw hole.
Specifically, the fixed curved blade component passes through 14 bottom of cylinder block by one group of first hexagon-headed bolt 19
Through-hole be fastened on the top screw hole of fixed curved blade 17, between first hexagon-headed bolt 19 and cylinder block 14
Equipped with the first plain cushion 18.
Specifically, the shape of the fixed curved blade 17 and rotation curved blade 25 is one section of annular cavity body,
They and the annular cavity body cooperate；The fixed curved blade component and rotation circular arc blade assembly are by annular cavity
Body is separated into two cavitys.
Specifically, left floating arc end cover 13 and the right side are close in the side of 2 axial thrust bearings 7 and 27 respectively
On the non-semi arch end face of floating arc end cover 16；The other side of 2 axial thrust bearings 7 and 27 is tightly attached to a left side respectively
Axial load end cap 12 and right axle are on the interior annular groove of load end cap 15.
Specifically, the left axle passes through one group of first hexagon socket head to load end cap 12 and right axle to load end cap 15 respectively
Bolt 10 passes through on the threaded hole for the arranged on left and right sides end face that its circumferential bolt hole is fixed to output shaft 9.
Specifically, 2 V-shaped seal rings 5 and 29 are separately fixed at left axle to load end cap 12 and right axle to load end
On 15 circumference of lid, the outer lip of 2 v-rings 5 and 29 is tightly attached to respectively on the big hole curved surface of cylinder block 14.
Specifically, the two sides that bottom is located at fixed curved blade component in the cylinder block 14 set that there are two oilhole and liquid
Crimp head 1, can be with external hydraulic pressure hydraulic fluid port and oil return opening, for driving oscillating oil cylinder to rotate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in essence of the invention
Made any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention within mind and spirit
Within.
Claims (10)
1. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure, including cylinder block (14), output shaft (9), fixed circle
Arc blade assembly, rotation circular arc blade assembly, left floating arc end cover (13) and its left adjusting end cap (4), right floating arc
Shape end cover (16) and its right adjusting end cap (26), left axle are to load end cap (12), right axle to load end cap (15), sealing element
And fastening accessory, it is characterised in that:
The cylinder block (14) is bilateral symmetry, and middle is equipped with an aperture, and both ends are respectively equipped with a macropore, is formed left
Right two inner hole shaft shoulders；Both ends macropore is respectively equipped with hole circlip groove close to cylinder block end, and the first hole use is equipped in slot
Retaining ring (3) and the second hole are with retaining ring (30)；Both ends macropore is respectively equipped with O-ring slot at aperture, and it is O-shaped to be equipped with first in slot
Enclose (2) and the second O-ring (11)；
Edge is axially arranged with annular semi arch on the left floating arc end cover (13) and right floating arc end cover (16)
Curved surface；It is equipped with O-ring slot close to the end face of annular semicircle arc surface, the second O-ring (11) are installed in slot；Left floating arc
It is separately installed with first sliding axle on end cover (13) and the inner hole of right floating arc end cover (16) and holds (8) second slidings
Bearing (28)；
The output shaft (9) is bilateral symmetry, and output shaft (9) middle is equipped with major diameter axis, and output shaft both ends are equipped with small
Diameter shaft forms two shaft shoulders in left and right；Axis both sides of the face are circumferentially equipped with threaded hole；
The left adjusting end cap (4) and right adjusting end cap (26) are circumferentially equipped with threaded hole；
The left axle has flange shape, the interior lateral edge circle of a side end face to load end cap (12) and right axle to load end cap (15)
It is equipped with bolt hole week, other side end face is equipped with annular groove；
Left axle is from left to right successively arranged in the cylinder block (14) to load end cap (12), the first v-ring (5), the
One axial thrust bearing (7), left adjusting end cap (4), left floating arc end cover (13), right floating arc end cover
(16), right adjusting end cap (26), the second axial thrust bearing (27), the second v-ring (29), right axle are to load end cap
(15)；It is close to the left inside hole shaft shoulder of cylinder block (14) in the circular arc camber side of left floating arc end cover (13)；Left adjustable side
Lid (4) left end face is close to the first hole being mounted on the left of cylinder block (14) with the right end face of retaining ring (3)；Left adjustable side
Threaded hole on lid (4) circumference is equipped with the first holding screw (6), the right end face of the first holding screw (6) and left floating arc
The left end face of shape end cover (13) is close to；It is close to cylinder block in the circular arc camber side of right floating arc end cover (16)
(14) the right inner hole shaft shoulder；Right the second hole retaining ring for adjusting end cap (26) right end face and being mounted on the right side of cylinder block (14)
(30) left end face is close to；The right threaded hole adjusted on end cap (26) circumference is equipped with the second holding screw (31), and second is tight
Determine screw (31) left end face to be close to the right end face of right floating arc end cover (16)；It is mounted on cylinder block (14)
Two O-rings (2) and (11) be close to left floating arc end cover (13) and right floating arc end cover (16) outer circle,
For providing the sealing of the round surface shaft shoulder outside left and right two big inner hole hole curved surface of cylinder block and left and right floating arc end cover；
The rotation circular arc blade assembly is fixed in the axial direction of output shaft (9)；The fixed curved blade component is fastened on oil
The bottom of cylinder cylinder body (14)；
The both ends small diameter shaft of the output shaft (9) respectively be mounted on left floating arc end cover (13) and right floating arc
Bearing fit on end cover (16)；The left and right shaft shoulder on output shaft (9) respectively be mounted on left and right floating arc and seal
O-ring on end cap is close to, for provide the left and right shaft shoulder on output shaft respectively with left and right floating arc end cover end face
The sealing of the shaft shoulder；
Cylinder block (14) the pin hole inner periphery curved surface, output shaft (9) major diameter axis peripheral curved, left floating arc sealed end
The semicircle arc surface of the semicircle arc surface, right floating arc end cover (16) that cover (13) constitutes a closed annular cavity
Body.
2. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 1, it is characterised in that: described
Circular arc blade assembly is rotated mainly by rotation curved blade (25), third O-ring (20), blade end cap (21), the second turret head
Bolt (23) and the second plain cushion (22) composition, rotation curved blade (25) two sides are respectively socketed 1 third O-ring (20), and 2
Third O-ring (20) is close to fix with 2 blade end caps (21) respectively, second hexagon-headed bolt (23) and the second plain cushion
(22) two blade end caps (21) are fixed to the two sides of rotation curved blade (25) respectively；Rotation curved blade (25)
Top is equipped with one group of bolt hole.
3. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 2, it is characterised in that: described
Rotation circular arc blade assembly is fixed to by the circular hole that one group of second Allen bolt (24) passes through rotation circular arc vane tip
In the axial direction of output shaft (9).
4. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 2, it is characterised in that: described
Fixed curved blade component is mainly by fixed curved blade (17), third O-ring (20), blade end cap (21), the second turret head
Bolt (23) and the second plain cushion (22) composition, fixed curved blade (17) two sides are respectively socketed 1 third O-ring (20), and 2
Third O-ring (20) is close to fix with 2 blade end caps (21) respectively, second hexagon-headed bolt (23) and the second plain cushion
(22) two blade end caps (21) are fixed to the two sides of fixed curved blade (17) respectively；The fixed curved blade (25)
Top is equipped with one group of screw hole.
5. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 4, it is characterised in that: described
Fixed curved blade component is fastened to solid by the through-hole that one group of first hexagon-headed bolt (19) passes through cylinder block (14) bottom
On the top screw hole for determining curved blade (17), first is equipped between first hexagon-headed bolt (19) and cylinder block (14)
Plain cushion (18).
6. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 4, it is characterised in that: described
Fixed curved blade (17) and the shape for rotating curved blade (25) are one sections of annular cavity body, they and it is described it is annular in
Cavity cooperates；Annular cavity body is separated into two chambers by the fixed curved blade component and rotation circular arc blade assembly
Body.
7. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 1, it is characterised in that: described
It is close to left floating arc end cover (13) and the sealing of right floating arc respectively in the side of 2 axial thrust bearings (7) and (27)
On the non-semi arch end face of end cap (16)；The other side of 2 axial thrust bearings (7) and (27) is tightly attached to left axle to holding respectively
Power end cap (12) and right axle are on the interior annular groove of load end cap (15).
8. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 1, it is characterised in that: described
Left axle passes through it by one group of first Allen bolt (10) respectively to load end cap (12) and right axle to load end cap (15)
Circumferential bolt hole is fixed on the threaded hole of the arranged on left and right sides end face of output shaft (9).
9. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to claim 1, it is characterised in that: described
2 V-shaped seal rings (5) and (29) are separately fixed at left axle to load end cap (12) and right axle on load end cap (15) circumference, and 2
The outer lip of a v-ring (5) and (29) is tightly attached to respectively on the big hole curved surface of cylinder block (14).
10. a kind of high pressure big swing angle curved blade formula oscillating oil cylinder structure according to any one of claim 1 to 9,
Be characterized in that: the two sides that the interior bottom of the cylinder block (14) is located at fixed curved blade component set there are two oilhole and hydraulic connect
Head (1), can be with external hydraulic pressure hydraulic fluid port and oil return opening, for driving oscillating oil cylinder to rotate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696173A (en) * | 2021-09-15 | 2021-11-26 | 哈尔滨工业大学 | Direct-acting type swing hydraulic actuator for articulated robot |
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| CN109058217B (en) | 2023-11-03 |
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