CN107387480A - A kind of Telescopic rotary combined type hydraulic cylinder - Google Patents
A kind of Telescopic rotary combined type hydraulic cylinder Download PDFInfo
- Publication number
- CN107387480A CN107387480A CN201710810711.9A CN201710810711A CN107387480A CN 107387480 A CN107387480 A CN 107387480A CN 201710810711 A CN201710810711 A CN 201710810711A CN 107387480 A CN107387480 A CN 107387480A
- Authority
- CN
- China
- Prior art keywords
- rack
- gear
- gear shaft
- hole
- casing
- 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.)
- Pending
Links
- 210000003746 feather Anatomy 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 35
- 230000033001 locomotion Effects 0.000 description 16
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
- F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
- F15B15/063—Actuator having both linear and rotary output, i.e. dual action actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of Telescopic rotary combined type hydraulic cylinder, it is characterized in that it includes casing, branch sleeve, cylinder barrel, cylinder cap, gear shaft, copper sheathing, big end cap, thrust ball bearing, feather key, gear, valve piston, piston rod, oil guide pipe, small end cover, head, bearing shell, rack, big piston, guide sleeve and snap ring.The present invention has transmission efficiency, transmits the advantages of torque is big and the anglec of rotation accurately controls.
Description
Technical field
The present invention relates to a kind of hydraulic cylinder, more particularly to a kind of Telescopic rotary combined type hydraulic cylinder.
Background technology
Hydraulic cylinder is the main executive component of Hydraulic Power Transmission System, and hydraulic energy can be converted to mechanical energy by it, has knot
Structure is simple, reliable operation, stable movement, easily realizes stepless speed regulation, and easy to control, and output loads are big, are widely used in engineering
The fields such as machinery, agricultural machinery, mining machinery, ship and Aero-Space.Hydraulic cylinder can realize straight reciprocating motion or rotation
Swing, its forms of motion is single.To realize that the flexible compound motion with rotation needs to use two hydraulic cylinders to complete.
At present, it has been disclosed that the achievable flexible hydraulic cylinder with rotary composite movement of invention or document.One kind is to adopt
Linear reciprocation and rotary motion are realized with the form of screw pair, specific implementation method is：Spiral shell is offered in piston rod surface
Guide groove is revolved, spacer pin is fixed with cylinder body, when piston rod is for linear motion, the spacer pin being stuck in spiral guide slot drives
Piston rod is set to rotate.The structure of this hydraulic cylinder is simple, compact, reliable in action, but transmission efficiency is low, transmits torque
It is small, and the anglec of rotation is uncontrollable；A kind of is that two closed chambers are formed between piston rod and piston, and piston and piston rod
It can relatively rotate, piston is circumferentially fixed with cylinder barrel by guide rod, limits the rotation of piston.In piston and piston rod are formed
Chamber is passed through pressure oil, piston rod can be promoted to rotate, when the rodless cavity or rod chamber of hydraulic cylinder are passed through pressure oil, you can realize piston
Bar stretches.The stretching motion of this hydraulic cylinder and rotary motion are separate, and its anglec of rotation is controllable, and integrated level is high, but living
The airtight chamber's difficulty of processing formed between stopper rod and piston is big, and is not easy to seal.
The content of the invention
For disadvantage mentioned above, it is an object of the invention to provide a kind of transmission efficiency, transmit that torque is big and the anglec of rotation
The Telescopic rotary combined type hydraulic cylinder accurately controlled.
The technology contents of the present invention are a kind of Telescopic rotary combined type hydraulic cylinder, it is characterized in that it includes casing, connection
Sleeve, cylinder barrel, cylinder cap, gear shaft, copper sheathing, big end cap, thrust ball bearing, feather key, gear, valve piston, piston rod, oil guide pipe,
Small end cover, head, bearing shell, rack, big piston, guide sleeve and snap ring；
A rack through hole is provided with below casing, a gear connected with rack through hole is provided with the casing above rack through hole
Chamber；Bearing shell is arranged on the rack via bottoms of casing, and rack is arranged on the bearing shell in rack through hole, the both ends of rack respectively from
Rack through hole stretches out casing, and the both ends of rack are respectively fixedly connected with a big piston, a cylinder is set with two external parts of rack
Cylinder, one end of cylinder barrel are fixedly connected with casing, and the other end of cylinder barrel sets a cylinder cap, and one is provided with cylinder cap with being connected in cylinder barrel
Cylinder cap oilhole；Gear is arranged in the gear cavity above rack, and the ratcheting connection of wheel and rack, gear shaft is installed by feather key
In gear, a thrust ball bearing is respectively housed on the gear shaft of the gear both sides in gear cavity, gear shaft mutually hangs down with rack
Directly, casing is stretched out at the both ends of gear shaft respectively, and a big end cap is housed between the external part and casing of gear shaft, big end cap with
A copper sheathing is provided between gear shaft；Another external part of gear shaft is provided with a blind hole, and gear shaft is provided with the external port inner sleeve of blind hole
A guide sleeve is filled, at one end on the gear shaft provided with blind hole, one end of branch sleeve is fixedly connected branch sleeve suit with casing,
The other end of branch sleeve is fixedly connected with a small end cover；Piston rod is a hollow stem, and piston rod one end connects a valve piston and worn
Cross small end cover to stretch into the blind hole of gear shaft with guide sleeve, piston rod is fixedly connected with small end cover by snap ring, piston rod, small work
Blind hole is divided into rod chamber and rodless cavity by plug with guide sleeve, and the piston rod other end connects a head, and being respectively equipped with two in head leads
Oilhole；Oil guide pipe is arranged in piston rod, and an Oil Guide chamber is formed between oil guide pipe and piston rod, is provided with the piston rod some
The connection through hole of individual connection rod chamber and Oil Guide chamber；Oil guide pipe one end connects through valve piston with rodless cavity, the oil guide pipe other end
Connected with an oil guiding hole of head, another oil guiding hole of head connects with Oil Guide chamber.
Slide, be provided with the gear shaft between branch sleeve and gear shaft some in branch sleeve for ease of gear shaft
Guide ring.
The possessed compared with prior art advantage of the present invention is：The flexible and rotational oscillating motion of the present invention is mutually solely
Vertical, the input of the hydraulic oil by controlling telescoping cylinder and oscillating cylinder respectively, output flow can realize the controllable spiral fortune of helical pitch
It is dynamic；The rotary motion of the present invention is by the swing rotary that the transform linear motion of rack is gear, its transmission efficiency, can be passed
It is big to pass torque, the present invention also has the advantages of simple in construction, processing technology is good and service life is long.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the present invention.
Fig. 2 be Fig. 1 in XOZ to profile.
Fig. 3 be Fig. 1 in YOZ to profile.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of Telescopic rotary combined type hydraulic cylinder, it is characterized in that it includes casing 1, connected
Female connector cylinder 2, cylinder barrel 3, cylinder cap 4, gear shaft 5, copper sheathing 6, big end cap 7, thrust ball bearing 8, feather key 9, gear 10, valve piston 11,
Piston rod 12, oil guide pipe 13, small end cover 14, head 15, bearing shell 16, rack 17, big piston 18, guide sleeve 19, the and of guide ring 20
Snap ring 21；
A rack through hole 1.1 is provided with below casing 1, one and rack through hole are provided with the casing 1 above rack through hole 1.1
The gear cavity 1.2 of 1.1 connections；Bearing shell 16 is arranged on the bottom of rack through hole 1.1 of casing 1, and rack 17 is arranged on rack through hole 1.1
In bearing shell 16 on, casing 1 is stretched out in the both ends of rack 17 from rack through hole 1.1 respectively, and the both ends of rack 17 are respectively fixedly connected with
One big piston 18, a cylinder barrel 3 is set with two external parts of rack 17, one end of cylinder barrel 3 is fixedly connected with casing 1, cylinder barrel 3
The other end one cylinder cap 4 is set, one and the interior cylinder cap oilhole 4.1 connected of cylinder barrel 3 are provided with cylinder cap 4；Gear 10 is arranged on tooth
In the gear cavity 1.2 of the top of bar 17, gear 10 and 17 ratcheting connection of rack, gear shaft 5 are installed in gear 10 by feather key 9,
One thrust ball bearing 8 is respectively housed, gear shaft 5 mutually hangs down with rack 17 on the gear shaft 5 of the both sides of gear 10 in gear cavity 1.2
Directly, casing 1 is stretched out at the both ends of gear shaft 5 respectively, a big end cap 7 is housed, big between the external part and casing 1 of gear shaft 5
A copper sheathing 6 is provided between end cap 7 and gear shaft 5；Another external part of gear shaft 5 is provided with a blind hole 5.1, and gear shaft 5 is provided with blind
One guide sleeve 19 of suit in the external port in hole 5.1, branch sleeve 2 are set with one end on the gear shaft 5 provided with blind hole 5.1, connection
One end of sleeve 2 is fixedly connected with casing 1, and the other end of branch sleeve 2 sets a small end cover 14；In branch sleeve 2 and gear
Gear shaft 5 between axle 5 is provided with some guide rings 20；Piston rod 12 is a hollow stem, and the one end of piston rod 12 connects a small work
Plug 11 is simultaneously stretched into the blind hole 5.1 of gear shaft through small end cover 14 with guide sleeve 19, and piston rod 12 and small end cover 14 pass through snap ring
21 are fixedly connected, and blind hole 5.1 is divided into rod chamber 5.1.1 and rodless cavity 5.1.2 by piston rod 12, valve piston 11 and guide sleeve 19,
The other end of piston rod 12 connects a head 15, and two oil guiding holes 15.1 are respectively equipped with head 15；Oil guide pipe 13 is arranged on piston rod
In 12, an Oil Guide chamber 22 is formed between oil guide pipe 13 and piston rod 12, several connection rod chambers are provided with piston rod 12
5.1.1 with the connection through hole 12.1 of Oil Guide chamber 22；The one end of oil guide pipe 13 connects through valve piston 11 with rodless cavity 5.1.2, Oil Guide
The other end of pipe 13 connects with an oil guiding hole 15.1 of head 15, and another oil guiding hole 15.1 of head 15 connects with Oil Guide chamber 22.
The operation principle of the present invention is, when the input hydraulic pressure of an oil guiding hole 15.1 oil of the head 15 connected with oil guide pipe 13
When, hydraulic oil flows through the rodless cavity 5.1.2 that oil guide pipe 13 enters telescoping cylinder, because piston rod 12 passes through guide sleeve 19 and small end cover 14
It is fixedly connected so that the transfixion of 12 opposite case of piston rod 1, hydraulic oil is so as to promoting gear shaft 5 in the axis hole of gear 10
Slide and stretched out to the big outside of end cap 7, conversely, during the 15.1 input hydraulic pressure oil of oil guiding hole of the head 15 connected with Oil Guide chamber 22,
Hydraulic oil flow through Oil Guide chamber 21 from connection through hole 12.1 enter rod chamber 5.1.1, by promote the gear shaft 5 of guide sleeve 19 to
Retract in the direction of small end cover 14；
When input hydraulic pressure oil, hydraulic oil enter cylinder barrel 3 in the cylinder cap oilhole 4.1 of the cylinder cap 4 on the cylinder barrel 3 to the one end of rack 17
Interior, hydraulic oil promotes rack 17 for linear motion and rotated with moving gear 10, and gear 10 passes motion to gear by feather key 9
Axle 5, realize the rotation in a direction of gear shaft 5；Conversely, when the cylinder cap oil to the cylinder cap 4 on the cylinder barrel 3 of the other end of rack 17
Input hydraulic pressure oil in hole 4.1, hydraulic oil promote rack 17 for linear motion and rotated with moving gear 10, and gear 10 passes through feather key 9
Gear shaft 5 is passed motion to, realizes the rotation of the other direction of gear shaft 5.
It is defeated while by the hydraulic oil of an oil guiding hole 15.1 and the cylinder cap oilhole 4.1 of a cylinder cap 4 to head 15
Enter the flexible screw with rotating synthesizing of achievable gear shaft 5；By controlling the input of hydraulic fluid flow rate, tooth can be controlled respectively
The flexible speed with rotation of wheel shaft.
Claims (2)
- A kind of 1. Telescopic rotary combined type hydraulic cylinder, it is characterized in that it includes casing, branch sleeve, cylinder barrel, cylinder cap, gear Axle, copper sheathing, big end cap, thrust ball bearing, feather key, gear, valve piston, piston rod, oil guide pipe, small end cover, head, bearing shell, tooth Bar, big piston, guide sleeve and snap ring；A rack through hole is provided with below casing, one is provided with the casing above rack through hole The gear cavity connected with rack through hole；Bearing shell is arranged on the rack via bottoms of casing, and rack is arranged on the axle in rack through hole On watt, casing is stretched out in the both ends of rack from rack through hole respectively, and the both ends of rack are respectively fixedly connected with a big piston, in rack Two external parts are set with a cylinder barrel, and one end of cylinder barrel is fixedly connected with casing, and the other end of cylinder barrel sets a cylinder cap, in cylinder cap It is provided with one and the cylinder cap oilhole connected in cylinder barrel；Gear is arranged in the gear cavity above rack, the ratcheting company of wheel and rack Connect, gear shaft is installed in gear by feather key, and a thrust ball axle is respectively housed on the gear shaft of the gear both sides in gear cavity Hold, gear shaft is mutually perpendicular to rack, and casing is stretched out at the both ends of gear shaft respectively, is filled between the external part and casing of gear shaft There is a big end cap, a copper sheathing is provided between big end cap and gear shaft；Another external part of gear shaft is provided with a blind hole, gear shaft A guide sleeve is set with external port provided with blind hole, branch sleeve suit is provided with the gear shaft of blind hole at one end, branch sleeve One end be fixedly connected with casing, the other end of branch sleeve is fixedly connected with a small end cover；Piston rod is a hollow stem, piston Bar one end connects a valve piston and stretched into through small end cover with guide sleeve in the blind hole of gear shaft, and piston rod and small end cover pass through card Ring is fixedly connected, and blind hole is divided into rod chamber and rodless cavity by piston rod, valve piston and guide sleeve, and the piston rod other end connects a bar Head, two oil guiding holes are respectively equipped with head；Oil guide pipe is arranged in piston rod, and an Oil Guide is formed between oil guide pipe and piston rod Chamber, the connection through hole of several connection rod chambers and Oil Guide chamber is provided with the piston rod；Oil guide pipe one end through valve piston with Rodless cavity connects, and the oil guide pipe other end connects with an oil guiding hole of head, and another oil guiding hole of head connects with Oil Guide chamber.
- A kind of 2. Telescopic rotary combined type hydraulic cylinder according to claim 1, it is characterized in that in branch sleeve and gear Gear shaft between axle is provided with some guide rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710810711.9A CN107387480A (en) | 2017-09-11 | 2017-09-11 | A kind of Telescopic rotary combined type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710810711.9A CN107387480A (en) | 2017-09-11 | 2017-09-11 | A kind of Telescopic rotary combined type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387480A true CN107387480A (en) | 2017-11-24 |
Family
ID=60352244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710810711.9A Pending CN107387480A (en) | 2017-09-11 | 2017-09-11 | A kind of Telescopic rotary combined type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387480A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026892A (en) * | 2018-08-16 | 2018-12-18 | 昆山德胜荣智能科技有限公司 | A kind of rotation and lifting cylinder |
| CN109723696A (en) * | 2018-12-29 | 2019-05-07 | 江苏大学 | A kind of direct acting-rotation complex pneumatic actuator |
| CN112392792A (en) * | 2020-09-28 | 2021-02-23 | 浙江中铭工程机械有限公司 | High-reliability anti-rotation hydraulic oil cylinder assembly and machining equipment thereof |
| CN114087255A (en) * | 2022-01-20 | 2022-02-25 | 江苏力速达液压有限公司 | Telescopic rotary hydraulic cylinder for realizing rotary action |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944471A1 (en) * | 1979-11-03 | 1981-05-07 | Helmut 8871 Kötz Klotz | Pneumatic actuator generating rotary movement - has hydraulic damping chamber discharged via throttle on movement of rack |
| CN2753461Y (en) * | 2004-10-29 | 2006-01-25 | 张家港华大离心机制造有限公司 | Automatic scraper for centrifugal machine |
| CN201786260U (en) * | 2010-09-28 | 2011-04-06 | 石家庄中煤装备制造有限公司 | Slewer of drill wagon for mining use |
| CN205918695U (en) * | 2016-07-18 | 2017-02-01 | 天津优瑞纳斯液压机械有限公司 | Rotatable flexible pneumatic cylinder of piston rod |
| CN207131660U (en) * | 2017-09-11 | 2018-03-23 | 江阴市洪腾机械有限公司 | A kind of Telescopic rotary combined type hydraulic cylinder |
-
2017
- 2017-09-11 CN CN201710810711.9A patent/CN107387480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944471A1 (en) * | 1979-11-03 | 1981-05-07 | Helmut 8871 Kötz Klotz | Pneumatic actuator generating rotary movement - has hydraulic damping chamber discharged via throttle on movement of rack |
| CN2753461Y (en) * | 2004-10-29 | 2006-01-25 | 张家港华大离心机制造有限公司 | Automatic scraper for centrifugal machine |
| CN201786260U (en) * | 2010-09-28 | 2011-04-06 | 石家庄中煤装备制造有限公司 | Slewer of drill wagon for mining use |
| CN205918695U (en) * | 2016-07-18 | 2017-02-01 | 天津优瑞纳斯液压机械有限公司 | Rotatable flexible pneumatic cylinder of piston rod |
| CN207131660U (en) * | 2017-09-11 | 2018-03-23 | 江阴市洪腾机械有限公司 | A kind of Telescopic rotary combined type hydraulic cylinder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026892A (en) * | 2018-08-16 | 2018-12-18 | 昆山德胜荣智能科技有限公司 | A kind of rotation and lifting cylinder |
| CN109723696A (en) * | 2018-12-29 | 2019-05-07 | 江苏大学 | A kind of direct acting-rotation complex pneumatic actuator |
| CN109723696B (en) * | 2018-12-29 | 2020-11-03 | 江苏大学 | Direct-acting-rotating composite pneumatic actuator |
| CN112392792A (en) * | 2020-09-28 | 2021-02-23 | 浙江中铭工程机械有限公司 | High-reliability anti-rotation hydraulic oil cylinder assembly and machining equipment thereof |
| CN114087255A (en) * | 2022-01-20 | 2022-02-25 | 江苏力速达液压有限公司 | Telescopic rotary hydraulic cylinder for realizing rotary action |
| CN114087255B (en) * | 2022-01-20 | 2022-04-08 | 江苏力速达液压有限公司 | Telescopic rotary hydraulic cylinder for realizing rotary action |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171124 |
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| WD01 | Invention patent application deemed withdrawn after publication |