EP2966306B1 - Zapfenzylindertragstruktur - Google Patents

Zapfenzylindertragstruktur Download PDF

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Publication number
EP2966306B1
EP2966306B1 EP14189497.2A EP14189497A EP2966306B1 EP 2966306 B1 EP2966306 B1 EP 2966306B1 EP 14189497 A EP14189497 A EP 14189497A EP 2966306 B1 EP2966306 B1 EP 2966306B1
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EP
European Patent Office
Prior art keywords
cylinder
cylinder body
trunnion
clamping
clamping blocks
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EP14189497.2A
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English (en)
French (fr)
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EP2966306A1 (de
Inventor
Shi Zhong Wang
Zhou CAO
Wenbi Zhang
Minyan Meng
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Ningbo Airtac Automatic Industrial Co Ltd
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Ningbo Airtac Automatic Industrial Co Ltd
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Publication of EP2966306A1 publication Critical patent/EP2966306A1/de
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Publication of EP2966306B1 publication Critical patent/EP2966306B1/de
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/04—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member with oscillating cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders

Definitions

  • the present invention relates to the technical field of cylinder accessories, and particularly to a cylinder trunnion supporting structure.
  • trunnion supports for cylinders are mostly secured in an encircled manner, that is, trunnions are fastened by using symmetrical supports on two sides of a cylinder body of a cylinder and by securing bolts.
  • Chinese Patent Application CN201412413 disclosed a removable central trunnion, including a main body, four press blocks and screws, where small shafts are provided both above and below the main body, and the main body is fastened to the four press blocks via the screws.
  • a securing structure is likely to become loose due to the impact of the repeated movement of a cylinder piston.
  • a trunnion support is required to exert a larger tightening force onto the cylinder.
  • too large tightening force applied by the trunnion support to the cylinder is likely to result in deformation of the cylinder bore in the middle of the cylinder body as the cylinder body of the cylinder is stressed.
  • the sliding of a piston in the cylinder bore is hindered, and the normal operating of the cylinder is influenced.
  • the present invention provides a cylinder trunnion supporting structure which can effectively avoid the axial slip of the trunnion supports with respect to the cylinder body and ensure fixed positions thereof.
  • Another objective of the present invention is to provide a cylinder trunnion supporting structure having small influence on a cylinder body, in order to solve the problem in the prior art that a cylinder trunnion support is likely to result in deformation of a cylinder body of a cylinder and thus influences the normal operating of the cylinder.
  • a cylinder trunnion supporting structure including trunnion supports separately disposed on two sides of a cylinder body; each of the trunnion supports includes a main body and two positioning ends located at two ends of the main body and arranged in a same direction; a trunnion is provided on the top of the main body; clamping block mounting recesses, which are parallel to an axial direction of the cylinder body, are provided on opposite side faces of the two positioning ends; clamping blocks, which are capable of rotating with respect to the clamping block mounting recesses, are provided in the clamping block mounting recesses; positioning grooves fitted with inner sides of the clamping blocks are provided on the cylinder body; bolts acting on outer sides of the clamping blocks are provided on the trunnion supports; and, one face of each of the clamping blocks protrudes outward to form an outer arc face that is in line contact with side walls of the clamping block mounting rece
  • the trunnion supports in the present invention have no extrusion to the cylinder bore in the center of the cylinder, and the acting force exerted by the trunnion supports to the cylinder focuses on the outer wall of the cylinder body. Consequently, the problem in the prior art that, too large tightening force exerted by the trunnion supports to the cylinder is likely to result in deformation of the cylinder bore in the middle of the cylinder as the cylinder body of the cylinder is stressed and the normal operating of the cylinder is thus influenced, may be solved.
  • a distance from a contact point of the bolts with the clamping blocks to a contact point of the outer arc faces with the side walls of the clamping block mounting recesses in a horizontal direction may be greater than a distance from the contact point of the outer arc faces with the side walls of the clamping block mounting recesses to a contact point of the clamping blocks with the positioning grooves in the horizontal direction.
  • the contact point between two components refers to a stress center on the cross section of the cylinder when there is an acting force between the two components.
  • the arm of force of the acting force of the bolts to the clamping blocks is greater than that of the reacting force of the positioning grooves, the clamping blocks become to serve as labor-saving levers.
  • an inner concave face may be provided on one side of the main body opposing to the trunnion, and inner arc faces transitioned to the clamping block mounting recesses may be separately provided on two sides of the inner concave face;
  • the cross section of the cylinder body may be rectangular, and fillets fitted with the inner arc faces may be provided in corners of the cylinder body, so that the inner arc faces are closely fitted with the fillets of the cylinder body when the trunnion supports may be secured to the cylinder body of a cylinder; and a depression portion may be provided in the middle of the inner concave face.
  • the rectangular cylinder body may allow the acting force exerted by the trunnion supports to the cylinder to focus on four corners of the cylinder body, thereby minimizing the influence of the trunnion supports onto the cylinder body of the cylinder.
  • clamping faces opposing to the outer arc faces may be designed on the clamping blocks; the clamping blocks may be disposed obliquely, with an included angle between the clamping faces and the end faces of the bolts being of from 25 to 35 degrees; the clamping faces on the inner sides of the clamping blocks may be closely fitted with the side wall of one side of the positioning grooves; and, clamping block protrusion layers may be provided on the clamping faces.
  • inner arc face protrusion layers may be provided on the inner arc faces.
  • the clamping block protrusion layers and the inner arc face protrusion layers may be protruded particles, toothed stripes or other antiskid structures.
  • the trunnion supports may have opposite positioning holes on the bottoms of the positioning ends, respectively; pillars fitted with the positioning holes may be provided between the trunnion supports on two sides of the cylinder body; and, the positioning holes may be pin holes while the pillars may be positioning pins, and the trunnion supports on the two sides may be connected via the positioning pins.
  • the arrangement of the pillars on the trunnion supports on two sides of the cylinder body improves the overall rigidity of the trunnion supports and decreases the deformation magnitude of the trunnion supports, and on the other hand, may serve for positioning during mounting the trunnion supports to ensure the accuracy of the relative positions of the trunnion supports on two sides of the cylinder body, thus improving the coaxiality of the trunnions on the two trunnion supports.
  • buffer holes axially extending along the cylinder body may be formed in the corners of the cylinder body, and the shaft axes of the buffer holes and the shaft axes of the fillets may be on a same axis.
  • Two ends of the buffer holes formed in the four corners of the cylinder body may serve as securing holes for a cylinder cover.
  • the buffer holes are located between the corners of the cylinder body and the cylinder bore, the influence of the clamping blocks onto the cylinder bore when clamping the cylinder body is reduced due to the presence of the buffer holes, that is, the buffer holes isolate the corners of the cylinder body from the cylinder bore when the clamping blocks extrude the cylinder body, so that the acting force exerted by the clamping blocks mainly focuses on the corners of the cylinder body and the deformation of the cylinder bore is thus avoided.
  • each of the positioning grooves may be triangular; and, a neck may be provided on a side face of the cylinder body, and the neck may be located between the two positioning grooves on the side face of the cylinder body.
  • the neck may be used for securing cylinder accessories.
  • each of the clamping block mounting recesses may be rectangular while the cross section of each of the clamping blocks may be semicircular, the semicircular arc faces of the clamping blocks form the outer arc faces in line contact with the side walls of the clamping block mounting recesses, and planes of the clamping blocks opposing to the semicircular arc faces form the clamping faces.
  • the arc face structures of the clamping blocks may roll on the side walls of the clamping mounting recesses when the bolts exert a force to the clamping blocks, so that the clamping faces at inside ends of the clamping blocks are closely against the side walls of the positioning grooves.
  • the clamping blocks may be arranged in a length direction of the cylinder body when there are two to three clamping blocks therein; and, corresponding to each of the clamping blocks, there may be one to three bolts, and the bolts may be arranged in the length direction of the cylinder body when there are two to three bolts.
  • the number of the clamping blocks in the clamping block mounting recesses may be one, two or three, depending upon the length and working condition of the cylinder.
  • the segmented clamping blocks may avoid the problem that the trunnion supports become loose due to overall incompact contact between the clamping blocks and the positioning grooves caused by the defects in a certain part of the profiles. Meanwhile, two ends of the segmented clamping blocks may allow embedding of the cylinder body of the cylinder to some extent, which is advantageous in preventing the trunnion supports from sliding on the cylinder body. Likewise, longer clamping blocks may be fastened by two or three bolts, thereby achieving better securing effects.
  • the present invention has the following advantages: first, the leverage of the clamping blocks greatly increases the clamping force exerted by the trunnion supports to the cylinder body and effectively avoids the slipping of the trunnion supports with respect to the cylinder body; second, the tightening torque of the bolts acting on the clamping blocks is reduced, so that the slipping of the bolts is effectively avoided and it is more labor-saving and convenient for mounting and disassembling; third, the coaxiality of the trunnions and the radial coaxiality of the trunnion supports with the cylinder body are greatly improved; fourth, the trunnion supports have no extrusion to the cylinder bore in the center of the cylinder, so that the problem in the prior art that, too large tightening force exerted by the trunnion supports to the cylinder is likely to result in deformation of the cylinder bore in the middle of the cylinder as the cylinder body of the cylinder is stressed and the normal operating of the cylinder is thus influenced, may
  • a cylinder trunnion supporting structure including two trunnion supports 2 separately disposed on two sides of a cylinder body 1.
  • Each of the trunnion supports 2 includes a main body 2a and two positioning ends 2b located at two ends of the main body 2a and symmetrically arranged in a same direction.
  • a trunnion 201 is provided on the top of the main body 2a.
  • Clamping block mounting recesses 202 which are parallel to an axial direction of the cylinder body 1, are provided on opposite side faces of the two positioning ends 2b.
  • the cross section of each of the clamping block mounting recesses 202 is rectangular.
  • Positioning grooves 101 fitted with inner sides of the clamping blocks 5 are provided on the cylinder body 1.
  • Each of the positioning end 2b of the trunnion support 2 is provided with a bolt hole 206 communicated with the clamping block mounting recesses 202.
  • Bolts 4 acting on outer sides of the clamping blocks 5 are provided in the bolt holes 206.
  • One face of each of the clamping blocks 5 protrudes outward to form an outer arc face 5a that is in line contact with side walls of the clamping block mounting recesses 202.
  • Clamping faces 5b opposing to the outer arc faces 5a are designed on the clamping blocks 5.
  • the clamping blocks 5 are disposed obliquely, with an included angle between the clamping faces 5b and the end faces of the bolts 4 being 25-35 degrees.
  • the clamping faces 5b on the inner sides of the clamping blocks 5 are closely fitted with the side wall of one side of the positioning grooves 101.
  • Clamping block protrusion layers are provided on the clamping faces 5b.
  • a distance from a contact point of the bolts 4 with the clamping blocks 5 to a contact point of the outer arc faces 5a with the side walls of the clamping block mounting recesses 202 in a horizontal direction is greater than a distance from the contact point of the outer arc faces 5a with the side walls of the clamping block mounting recesses 202 to a contact point of the clamping blocks 5 with the positioning grooves 101 in the horizontal direction.
  • An inner concave face 204 is provided on one side of the main body 2a opposing to the trunnion 201, inner arc faces 205 (see Fig.
  • the cross section of the cylinder body is rectangular, a cylinder bore 106 is located in the center of the cylinder body, and fillets 102 fitted with the inner arc faces 205 are provided in corners of the cylinder body 1, so that the inner arc faces 205 are closely fitted with the fillets 102 of the cylinder body when the trunnion supports are secured to the cylinder body of a cylinder.
  • a depression portion 207 is provided in the middle of the inner concave face 204.
  • Buffer holes 103 axially extending along the cylinder body are further formed in the corners of the cylinder body 1, and the shaft axes of the buffer holes 103 and the shaft axes of the fillets 102 are on a same axis.
  • Each of the trunnion supports 2 has two parallel positioning holes 203 on the bottom of each of the positioning ends 2b. The positioning holes of the trunnion supports 2 on two sides are opposite to each other. Pillars 3 fitted with the positioning holes 203 are provided on the trunnion supports 2 on two sides of the cylinder body 1.
  • the positioning holes 203 are pin holes while the pillars 3 are positioning pins, and the trunnion supports 2 on the two sides are connected via the positioning pins.
  • each of the positioning grooves 101 is triangular; and, a neck 104 is provided on a side face of the cylinder body 1, and the neck 104 is located between the two positioning grooves 101 on the side face of the cylinder body 1 (see Fig. 6 ).
  • Embodiment 2 there are two clamping blocks in the clamping block mounting recesses, and the clamping blocks are arranged in a length direction of the cylinder body 1; and, corresponding to each of the clamping blocks, there is one bolt (see Fig. 4 ), and the remaining is the same as Embodiment 1.
  • Longer clamping blocks may be fastened by two or three bolts, thereby achieving better securing effects.
  • the bolts 4 are arranged in the length direction of the cylinder body 1.
  • two trunnion supports 2 are disposed on two sides of the cylinder body 1, and the two trunnion supports 2 are initially positioned by the positioning pins; the inner concave faces 204 of the trunnion supports are fitted with the outer side face of the cylinder body, and the inner arc faces 205 of the trunnion supports are fitted with the fillets 102 of the cylinder body; then, the clamping blocks 5 are inserted into the clamping block mounting recesses 202, so that the inner sides of the clamping blocks 5 are snapped in the positioning grooves 101 of the cylinder 1 and the clamping faces 5b of the clamping blocks 5 opposing to the outer arc faces 5a are fitted with the side walls of the positioning grooves 101; and then, the bolts 4 act on the outer sides of the clamping blocks 5, so that the trunnion supports 2, the clamping blocks 5 and the cylinder body 1 are locked.
  • the clamping faces 5b are relatively inclined, a distance from a contact position of the bolts 4 with the clamping blocks 5 to a contact position of the outer arc faces 5a with the side walls of the positioning grooves 101 in a horizontal direction is greater than a distance from the contact position of the outer arc faces 5a with the side walls of the positioning grooves 101 to a contact position of the clamping blocks 5 with the positioning grooves 101 in the horizontal direction. That is, the arm of force of the acting force is larger than that of a reacting force, thereby forming a labor-saving lever.
  • the acting force exerted by the bolts 4 to the clamping blocks 5 is increased, so that the cylinder body 1 may be clamped by the clamping blocks 5 more firmly.
  • the problem in the prior art that, too large tightening force exerted by the trunnion supports to the cylinder is likely to result in deformation of the cylinder bore in the middle of the cylinder as the cylinder body of the cylinder is stressed and the normal operating of the cylinder is thus influenced, may be solved.
  • the clamping block protrusion layers and the inner arc face protrusion layers may be protruded particles, toothed stripes or other antiskid structures.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • Actuator (AREA)

Claims (10)

  1. Zylinderlagerzapfen-Stützstruktur, umfassend Lagerzapfenstützen (2) und einen Zylinderkörper (1), wobei die Lagerzapfenstützen (2) auf zwei Seiten des Zylinderkörpers (1) getrennt angeordnet sind; jeder der Lagerzapfenstützen (2) einen Hauptkörper (2a) und zwei Positionierungsenden (2b) umfasst, die sich an zwei Enden des Hauptkörpers (2a) befinden und in derselben Richtung angeordnet sind; ein Lagerzapfen (201) oben auf dem Hauptkörper (2a) bereitgestellt ist; Klemmblock-Befestigungsaussparungen (202), die parallel zu einer axialen Richtung des Zylinderkörpers (1) angeordnet sind, an gegenüberliegenden Seitenflächen der beiden Positionierungsenden (2b) bereitgestellt sind; Klemmblöcke (5), die sich gegenüber den Klemmblock-Befestigungsaussparungen (202) drehen können, in den Klemmblock-Befestigungsaussparungen (202) bereitgestellt sind; Positionierungsnuten (101), die in Innenseiten der Klemmblöcke (5) eingelassen sind, auf dem Zylinderkörper (1) bereitgestellt sind; Bolzen (4), die auf Außenseiten der Klemmblöcke (5) einwirken, auf den Lagerzapfenstützen (2) bereitgestellt sind; und eine Fläche jeder der Klemmblöcke (5) nach außen ragt und eine äußere Bogenfläche (5a) bildet, die sich in Linienkontakt mit Seitenwänden der Klemmblock-Befestigungsaussparungen (202) befindet.
  2. Zylinderlagerzapfen-Stützstruktur nach Anspruch 1, dadurch gekennzeichnet, dass eine Entfernung von einem Kontaktpunkt der Bolzen (4) mit den Klemmblöcken (5) zu einem Kontaktpunkt der äußeren Bogenflächen (5a) mit den Seitenwänden der Klemmblock-Befestigungsaussparungen (202) in horizontaler Richtung größer ist als eine Entfernung von dem Kontaktpunkt der äußeren Bogenflächen (5a) mit den Seitenwänden der Klemmblock-Befestigungsaussparungen (202) zu einem Kontaktpunkt der Klemmblöcke (5) mit den Positionierungsnuten (101) in horizontaler Richtung.
  3. Zylinderlagerzapfen-Stützstruktur nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass eine konkave Innenfläche (204) auf einer Seite des Hauptkörpers (2a), die sich gegenüber dem Lagerzapfen (201) befindet, bereitgestellt ist und innere Bogenflächen (205), die in die Klemmblock-Befestigungsaussparungen (202) überführt werden, auf zwei Seiten der konkaven Innenfläche (204) getrennt bereitgestellt sind; der Querschnitt des Zylinderkörpers rechteckig ist und Hohlkehlen (102), die in die inneren Bodenflächen (205) eingelassen sind, in Ecken des Zylinderkörpers (1) bereitgestellt sind, sodass die inneren Bodenflächen (205) eng in die Hohlkehlen (102) des Zylinderkörpers eingepasst sind, wenn die Lagerzapfenstützen an dem Zylinderkörper eines Zylinders befestigt sind; und ein Vertiefungsabschnitt (107) in der Mitte der konkaven Innenfläche (104) bereitgestellt ist.
  4. Zylinderlagerzapfen-Stützstruktur nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass Klemmflächen (5b), die sich gegenüber den äußeren Bogenflächen (5a) befinden, auf den Klemmblöcken (5) ausgestaltet sind; die Klemmblöcke (5) schräg mit einem eingeschlossenen Winkel zwischen den Klemmflächen (5b) und den Endflächen der Bolzen (4), der zwischen 25 und 35 Grad beträgt, angeordnet sind; die Klemmflächen (5b) auf den Innenseiten der Klemmblöcke (5) eng in die Seitenwand einer Seite der Positionierungsnuten (101) eingepasst sind; und Klemmblock-Vorsprungsschichten auf den Klemmflächen (5b) bereitgestellt sind.
  5. Zylinderlagerzapfen-Stützstruktur nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass Vorsprungsschichten der inneren Bogenfläche auf den inneren Bogenflächen (205) bereitgestellt sind.
  6. Zylinderlagerzapfen-Stützstruktur nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, das die Lagerzapfenstützen (2) jeweils gegenüberliegende Positionierungslöcher (203) auf den Unterseiten der Positionierungsenden (2b) aufweisen; Säulen (3), die in die Positionierungslöcher (wie 203) eingelassen sind, auf den Lagerzapfenstützen (2) auf zwei Seiten des Zylinderkörpers (1) bereitgestellt sind; und die Positionierungslöcher (203) Stiftlöcher sind, während die Säulen (3) Positionierungsstifte sind und die Lagerzapfenstützen (2) auf den beiden Seiten über die Positionierungsstifte verbunden sind.
  7. Zylinderlagerzapfen-Stützstruktur nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass Pufferbohrungen (103), die sich axial entlang des Zylinderkörpers (1) erstrecken, in den Ecken des Zylinderkörpers (1) ausgebildet sind und die Wellenachsen der Pufferbohrungen (103) und die Wellenachsen der Hohlkehlen (102) sich auf derselben Achse befinden.
  8. Zylinderlagerzapfen-Stützstruktur nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Querschnitt jeder der Positionierungsnuten (101) dreieckig ist; und auf einer Seitenfläche des Zylinderkörpers (1) eine Kehle bereitgestellt ist und die Kehle (104) sich zwischen den zwei Positionierungsnuten (101) auf der Seitenfläche des Zylinderkörpers (1) befindet.
  9. Zylinderlagerzapfen-Stützstruktur nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Querschnitt jeder der Klemmblock-Befestigungsaussparungen (202) rechteckig ist, während der Querschnitt jeder der Klemmblöcke (5) halbkreisförmig ist, die halbkreisförmigen Bogenflächen der Klemmblöcke die äußeren Bogenflächen (5a) bilden, die sich in Linienkontakt mit den Seitenwänden der Klemmblock-Befestigungsaussparungen (202) befinden und Ebenen der Klemmblöcke gegenüber den halbkreisförmigen Bogenflächen die Klemmflächen (5b) bilden.
  10. Zylinderlagerzapfen-Stützstruktur nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass in den Klemmblock-Befestigungsaussparungen (202) ein bis drei Klemmblöcke (5) vorhanden sind und die Klemmblöcke (5) in Längsrichtung des Zylinderkörpers (1) angeordnet sind, wenn ein bis drei Klemmblöcke (5) darin vorhanden sind; und entsprechend jedem der Klemmblöcke ein bis drei Bolzen (4) vorhanden sind und die Bolzen (4) in Längsrichtung des Zylinderkörpers (1) angeordnet sind, wenn ein bis drei Bolzen (4) vorhanden sind.
EP14189497.2A 2014-07-09 2014-10-20 Zapfenzylindertragstruktur Active EP2966306B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410322867.9A CN104421247B (zh) 2014-07-09 2014-07-09 一种气缸耳轴支撑结构

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EP2966306A1 EP2966306A1 (de) 2016-01-13
EP2966306B1 true EP2966306B1 (de) 2017-04-26

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US10895245B2 (en) 2017-01-05 2021-01-19 Vestas Wind Systems A/S Pitch adjustment cylinder for adjustment of a pitch angle of a blade of a wind turbine
CN108591175B (zh) * 2018-06-15 2019-10-01 宁波亚德客自动化工业有限公司 一种气缸耳轴支撑附件

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US7032501B2 (en) * 2004-05-07 2006-04-25 Festo Corporation Apparatus and method for providing a clamp on a fluid power cylinder
CN101523059B (zh) * 2006-10-18 2012-07-04 Smc株式会社 具有耳轴支撑配件的流体压力缸
CN100560989C (zh) * 2007-07-16 2009-11-18 宁波亚德客自动化工业有限公司 一种气缸结构
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US7686198B2 (en) * 2008-07-25 2010-03-30 De Poan Pneumatic Corp. Nail gun bushing and cylinder valve arrangement
CN201412413Y (zh) 2009-04-01 2010-02-24 邱其林 可移动中央耳轴
DE102009035538A1 (de) * 2009-07-31 2011-02-03 Linde Material Handling Gmbh Hubzylinder eines Hubgerüstes
KR101183136B1 (ko) * 2009-10-15 2012-09-14 한국에스엠씨공압(주) 연동실린더
CN102261355B (zh) * 2011-06-23 2014-01-08 宁波亚德客自动化工业有限公司 带缓冲结构的回转作动装置
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CN203335517U (zh) * 2013-05-16 2013-12-11 宁波亚德客自动化工业有限公司 一种零回转行程的回转夹紧气缸
CN204003769U (zh) * 2014-07-09 2014-12-10 宁波亚德客自动化工业有限公司 气缸耳轴支撑结构

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CN104421247B (zh) 2016-06-22
EP2966306A1 (de) 2016-01-13
CN104421247A (zh) 2015-03-18

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