CN109114066B - Actuating cylinder - Google Patents

Actuating cylinder Download PDF

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Publication number
CN109114066B
CN109114066B CN201810977834.6A CN201810977834A CN109114066B CN 109114066 B CN109114066 B CN 109114066B CN 201810977834 A CN201810977834 A CN 201810977834A CN 109114066 B CN109114066 B CN 109114066B
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CN
China
Prior art keywords
locking
piston rod
space
cylinder
piston
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CN201810977834.6A
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Chinese (zh)
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CN109114066A (en
Inventor
孙万超
李磊
熊华锋
沈薇
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AVIC Aircraft Strength Research Institute
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AVIC Aircraft Strength Research Institute
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Priority to CN201810977834.6A priority Critical patent/CN109114066B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C13/00Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
    • B64C13/24Transmitting means
    • B64C13/38Transmitting means with power amplification
    • B64C13/40Transmitting means with power amplification using fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/26Locking mechanisms
    • F15B15/261Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions

Abstract

The invention relates to the field of actuator cylinder design, in particular to an actuator cylinder capable of being locked in a contraction and opening state, which comprises: an outer cylinder; the piston rod is provided with a piston rod inner end and a piston rod outer end, and the piston rod inner end is arranged in the outer barrel; a moving groove is formed in the outer wall of the piston rod, which is positioned in the outer barrel, along the circumferential direction; the piston rod can move relative to the outer cylinder along the axial direction of the piston rod; the moving locking structure is arranged in the moving groove and can move along with the piston rod; the front position fixing and locking structure and the rear position fixing and locking structure are fixedly arranged in the outer barrel, and the front position fixing and locking structure is positioned on one side of the moving and locking structure and close to the outer end of the piston rod; the rear fixed locking structure is positioned on the other side of the moving locking structure; the front fixed locking structure can be matched and locked with the moving locking structure, so that the actuating cylinder is locked in the front; the rear fixed locking structure can be matched and locked with the moving locking structure, so that the actuating cylinder is locked at the rear position and locked at the rear position.

Description

Actuating cylinder
Technical Field
The invention relates to the technical field of actuator cylinder design, in particular to an actuator cylinder capable of being locked in a contraction and opening state.
Background
As the flying speed and weight of an airplane are increasing, it is becoming difficult to manually operate the airplane and certain components, such as landing gear, flaps and the like, so that hydraulic components and components which are typically moved are increasing on the airplane. The electric drive is sensitive in motion, but when the required power is large, a motor with large weight is needed, and the connection between the motor and a driven component is also complex, so that the hydraulic system of the airplane is often adopted to receive and release components such as landing gear, flaps, speed reduction plates and the like at present.
The hydraulic actuator is a hydraulic element which does work to the outside in a hydraulic system and directly converts hydraulic energy into mechanical energy, wherein, in the reciprocating hydraulic actuator, a hydraulic actuator is widely applied and gradually developed into various types including a three-position actuator, a lock actuator and the like.
The common actuating cylinder of the mechanical lock with the built-in elastic locking claw can only be locked when the piston rod is in one of a contraction state and an opening state, and cannot meet the requirement of locking at two positions under a specific condition, so that the actuating cylinder which can be locked and unlocked in the contraction state and the opening state needs to be designed.
Disclosure of Invention
It is an object of the present invention to provide an actuator cylinder which overcomes or solves the problems described above.
The technical scheme of the invention is as follows: an actuator cylinder, comprising:
an outer cylinder;
the piston rod is provided with a piston rod inner end and a piston rod outer end, and the piston rod inner end is arranged in the outer barrel; a moving groove is formed in the outer wall of the piston rod, which is positioned in the outer barrel, along the circumferential direction; the piston rod can move relative to the outer barrel along the axial direction of the piston rod, so that the piston rod has a front locking position and a rear locking position;
the moving locking structure is arranged in the moving groove and can move along with the piston rod;
the front position fixing and locking structure is fixedly arranged in the outer barrel and is positioned on one side of the moving locking structure and close to the outer end of the piston rod;
the rear fixed locking structure is fixedly arranged in the outer barrel and is positioned on the other side of the moving locking structure; wherein the content of the first and second substances,
in the front locking position, the front fixed locking structure can be matched and locked with the moving locking structure, so that the piston rod is prevented from moving; realizing the locking of the actuating cylinder in the opening state;
and in the rear locking position, the rear fixed locking structure can be matched and locked with the moving locking structure, so that the piston rod is prevented from moving, and the actuating cylinder is locked in a contraction state.
Preferably, the outer cylinder is provided with:
the front boss is arranged on one side of the moving groove and is close to the outer end of the piston rod;
the rear boss is arranged on the other side of the moving groove;
the side wall of the moving groove close to the outer end of the piston rod is a front position wall, and the other side wall of the moving groove is called a rear position wall; the front position wall inclines towards the direction far away from the rear position wall, and the rear position wall inclines towards the direction far away from the front position wall;
the locking structure that moves about includes:
the front position floating piston and the rear position floating piston are both arranged in the floating groove, and a floating space is formed between the front position floating piston and the rear position floating piston; the front position floating piston is close to the front position wall, and a front position space is formed among the front position floating piston, the outer cylinder, the front position boss and the piston rod; a rear position space is formed between the rear position traveling piston and the outer cylinder, between the rear position boss and the piston rod;
the elastic component is arranged in the moving space, one end of the elastic component is connected with the front moving piston, and the other end of the elastic component is connected with the rear moving piston;
the front tongue piece is arranged in the front space, one end of the front tongue piece is connected with the front floating piston, and a front locking space is formed between the front floating piston and the front wall;
the rear tongue piece is arranged in the rear space, one end of the rear tongue piece is connected with the rear floating piston, and a rear locking space is formed between the rear tongue piece and the rear floating piston as well as the rear wall;
wherein the content of the first and second substances,
the movable locking structure can lock the front fixed locking structure in the front locking space to enable the actuator cylinder to be in a front locking position;
the movable locking structure can also lock the rear fixed locking structure in the rear locking space, so that the actuating cylinder is in the rear locking position.
Preferably, the diameters of the outer walls of the piston rod, which are positioned at the two sides of the moving groove, are gradually reduced towards the direction far away from the moving groove, wherein the outer wall close to the outer end of the piston rod is called a front outer wall, and the outer wall far away from the outer end of the piston rod is called a rear outer wall;
the front position fixing and locking structure comprises a front position locking plate, the front position locking plate is arranged in the front position space, one end of the front position locking plate is fixedly connected with the outer barrel, and a front position insertion space is formed between the front position locking plate and the outer barrel;
the rear position fixing and locking structure comprises a rear position locking plate, the rear position locking plate is arranged in the rear position space, one end of the rear position locking plate is fixedly connected with the outer barrel, and a rear position inserting space is formed between the rear position locking plate and the outer barrel;
the piston rod moves towards the direction of the front locking plate, the other end of the front locking plate is guided into the front locking space along the front outer wall, and the front tongue piece is inserted into the front insertion space to enable the actuating cylinder to be located at the front locking position;
the piston rod moves towards the direction of the rear locking piece, the other end of the rear locking piece is guided into the rear locking space along the rear outer wall, and the rear tongue piece is inserted into the rear insertion space, so that the actuating cylinder is located at the rear locking position.
Preferably, it is characterized in that the first and second parts,
the front boss is in sealing contact with the piston rod;
the rear boss is in sealing contact with the piston rod;
the front floating piston is in sealing contact with the outer cylinder; the front floating piston is in sealing contact with the piston rod;
the rear floating piston is in sealing contact with the outer cylinder; the front floating piston is in sealing contact with the piston rod;
the outer cylinder wall is provided with:
the front oil through hole is communicated with the front space;
the rear oil through hole is communicated with the rear space;
wherein the content of the first and second substances,
pressure oil is introduced into the front space through the front oil through hole, and meanwhile, the pressure oil in the rear space is extracted through the rear oil through hole, so that the piston rod can move towards the rear locking plate;
pressure oil is introduced into the backward space through the backward oil through hole, and simultaneously the pressure oil in the forward space is drawn out through the forward oil through hole, so that the piston rod can move towards the forward locking plate.
Preferably, the outer cylinder wall is provided with a floating oil through hole which is communicated with the floating space.
Preferably, the elastic component is a plurality of elastic components and is evenly distributed along the circumferential direction of the piston rod.
Preferably, the elastic member is a spring.
Preferably, the front wall and the rear wall are angled at an acute angle of 45 degrees to the axis of the piston rod.
Preferably, the front locking pieces are multiple and are uniformly distributed along the inner wall of the outer barrel.
Preferably, the back locking pieces are multiple and evenly distributed along the inner wall of the outer barrel.
The invention has the advantages that: the actuator cylinder comprises a floating locking device, and the actuator cylinder is designed to have a front locking position and a rear locking position, namely the actuator cylinder can be locked in a contraction and opening state, so that the requirement of characteristic conditions on the double-position locking of the actuator cylinder is met, and the working reliability of the actuator cylinder is greatly improved.
Drawings
Fig. 1 is a schematic view of the actuator cylinder of the present invention.
Figure 2 is a schematic diagram of the actuator cylinder of the present invention in a forward locked position.
Figure 3 is a schematic diagram of the actuator cylinder of the present invention in a locked position in the rearward position.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
The invention is described in further detail below with reference to figures 1-3.
The invention provides an actuator cylinder, comprising:
an outer cylinder 1;
the piston rod 2 is provided with a piston rod inner end and a piston rod outer end, and the piston rod inner end is arranged in the outer cylinder 1; the outer wall of the piston rod 2 positioned in the outer barrel 1 is provided with a moving groove along the circumferential direction; the piston rod 2 can move relative to the outer barrel 1 along the axial direction of the piston rod, so that the piston rod has a front locking position and a rear locking position;
the moving locking structure is arranged in the moving groove and can move along with the piston rod 2;
the front position fixing and locking structure is fixedly arranged in the outer barrel 1 and is positioned on one side of the moving locking structure and close to the outer end of the piston rod;
the rear fixed locking structure is fixedly arranged in the outer barrel 1 and is positioned on the other side of the moving locking structure; wherein the content of the first and second substances,
in the front locking position, the front fixed locking structure can be matched and locked with the moving locking structure, so that the piston rod 2 is prevented from moving;
in the rear locking position, the rear fixed locking structure can be locked in cooperation with the moving locking structure, so that the piston rod 2 is prevented from moving.
Further, the outer cylinder 1 is provided with: the front boss is arranged on one side of the moving groove and is close to the outer end of the piston rod; the rear boss is arranged on the other side of the moving groove;
the side wall of the moving groove close to the outer end of the piston rod is a front position wall, and the other side wall of the moving groove is called a rear position wall; the front position wall inclines towards the direction far away from the rear position wall, and the rear position wall inclines towards the direction far away from the front position wall;
the locking structure that moves about includes: the front position traveling piston 3 and the rear position traveling piston 4 are both arranged in the traveling groove, and a traveling space is formed between the front position traveling piston 3 and the rear position traveling piston 4; wherein, the front position floating piston 3 is close to the front position wall, and a front position space is formed among the front position floating piston, the outer cylinder 1, the front position boss and the piston rod 2; a rear space is formed between the rear traveling piston 4 and the outer barrel 1, between the rear boss and the piston rod 2; the elastic component 5 is arranged in the moving space, one end of the elastic component is connected with the front moving piston 3, and the other end of the elastic component is connected with the rear moving piston 4; the front tongue piece 6 is arranged in the front space, one end of the front tongue piece is connected with the front floating piston 3, and a front locking space is formed between the front tongue piece and the front floating piston 3 as well as the front wall; the rear tongue piece 7 is arranged in the rear space, one end of the rear tongue piece is connected with the rear floating piston 4, and a rear locking space is formed between the rear tongue piece and the rear floating piston 4 as well as the rear wall; wherein the content of the first and second substances,
the movable locking structure can lock the front fixed locking structure in the front locking space to enable the actuator cylinder to be in a front locking position; the movable locking structure can also lock the rear fixed locking structure in the rear locking space, so that the actuating cylinder is in the rear locking position.
Furthermore, the diameters of the outer walls of the piston rod 2 at the two sides of the moving groove are gradually reduced towards the direction far away from the moving groove, wherein the outer wall close to the outer end of the piston rod is called a front outer wall, and the outer wall far away from the outer end of the piston rod is called a rear outer wall; the front position fixing and locking structure comprises a front position locking plate 8 which is arranged in the front position space, one end of the front position locking plate is fixedly connected with the outer barrel 1, and a front position insertion space is formed between the front position locking plate 8 and the outer barrel 1; the rear position fixing and locking structure comprises a rear position locking plate 9 which is arranged in the rear position space, one end of the rear position locking plate is fixedly connected with the outer barrel 1, and a rear position inserting space is formed between the rear position locking plate 9 and the outer barrel 1; the piston rod 2 moves towards the direction of the front locking plate 8, the other end of the front locking plate 8 is guided into the front locking space along the front outer wall, and the front tongue piece 6 is inserted into the front insertion space to enable the actuating cylinder to be in the front locking position; the piston rod 2 moves towards the direction of the rear locking plate 9, the other end of the rear locking plate 9 is guided into the rear locking space along the rear outer wall, and the rear tongue piece 7 is inserted into the rear insertion space, so that the actuating cylinder is located at the rear locking position.
Further, the front boss is in sealing contact with the piston rod 2; the rear boss is in sealing contact with the piston rod 2; the front floating piston 3 is in sealing contact with the outer cylinder 1; the front floating piston 3 is in sealing contact with the piston rod 2; the rear floating piston 4 is in sealing contact with the outer cylinder 1; the front floating piston 3 is in sealing contact with the piston rod 2; the wall of the outer cylinder 1 is provided with:
a front oil through hole 10 communicated with the front space; a rear oil through hole 11 communicating with the rear space; wherein the content of the first and second substances,
pressure oil is introduced into the front space through the front oil through hole 10, and meanwhile, the pressure oil in the rear space is pumped out through the rear oil through hole 11, so that the piston rod 2 can move towards the rear locking plate 9; pressure oil is introduced into the backward space through the backward oil through hole 11, and simultaneously the pressure oil in the forward space is pumped out through the forward oil through hole 10, so that the piston rod 2 can move towards the forward locking plate 8.
Furthermore, a floating oil through hole 12 is arranged on the wall of the outer cylinder 1 and communicated with the floating space; wherein the content of the first and second substances,
pressure oil is introduced into the swimming space through the swimming oil through hole 12 to enable the elastic component 5 to be in a stretching state;
when the piston rod is at the front locking position, pressure oil in the moving space is pumped out through the moving oil through hole 12, the pressure oil is introduced into the front space through the front oil through hole 10 in a matching manner, the pressure oil in the rear space is pumped out through the rear oil through hole 11, the elastic component 5 contracts, the front tongue piece 6 is pumped out from the front insertion space, the front locking piece 8 slides out from the front locking space, the piston rod 2 moves towards the rear locking piece 9, and the actuating cylinder is separated from the front locking position;
when the piston rod is at the rear locking position, pressure oil in the moving space is pumped out through the moving oil through hole 12, the pressure oil is pumped out through the front oil through hole 10 in a matching manner, the pressure oil is pumped into the rear space through the rear oil through hole 11, the elastic part 5 contracts, the rear tongue piece 7 is pumped out from the rear insertion space, the rear locking piece 9 slides out from the rear locking space, the piston rod 2 moves towards the front locking piece 8, and the actuating cylinder is separated from the rear locking position.
Further, the elastic members 5 are plural and uniformly distributed along the circumferential direction of the piston rod 2.
Further, the elastic member 5 is a spring.
Further, the wall surfaces of the front position wall and the rear position wall are all at acute angles of 45 degrees with the axis of the piston rod 2.
Furthermore, the front locking plates 8 are multiple and are uniformly distributed along the inner wall of the outer barrel 1.
Furthermore, the back locking pieces 9 are multiple and evenly distributed along the inner wall of the outer cylinder 1.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (9)

1. An actuator cylinder, comprising:
an outer cylinder (1);
the piston rod (2) is provided with a piston rod inner end and a piston rod outer end, and the piston rod inner end is arranged in the outer cylinder (1); a moving groove is formed in the outer wall, located in the outer cylinder (1), of the piston rod (2) along the circumferential direction; the piston rod (2) can move relative to the outer cylinder (1) along the axial direction of the piston rod, so that the piston rod has a front locking position and a rear locking position;
the moving locking structure is arranged in the moving groove and can move along with the piston rod (2);
the front position fixing and locking structure is fixedly arranged inside the outer barrel (1), and is positioned on one side of the moving and locking structure and close to the outer end of the piston rod;
the rear fixed locking structure is fixedly arranged in the outer barrel (1), and is positioned on the other side of the moving locking structure; wherein the content of the first and second substances,
in the front locking position, the front fixed locking structure can be matched and locked with the moving locking structure, so that the piston rod (2) is prevented from moving;
in the rear locking position, the rear fixed locking structure can be matched and locked with the moving locking structure, so that the piston rod (2) is prevented from moving;
the front boss is arranged on one side of the moving groove and is close to the outer end of the piston rod;
the rear boss is arranged on the other side of the moving groove;
the side wall of the moving groove close to the outer end of the piston rod is a front position wall, and the other side wall of the moving groove is called a rear position wall; the front position wall inclines towards the direction far away from the rear position wall, and the rear position wall inclines towards the direction far away from the front position wall;
the locking structure that moves about includes:
the front position traveling piston (3) and the rear position traveling piston (4) are arranged in the traveling groove, and a traveling space is formed between the front position traveling piston (3) and the rear position traveling piston (4); the front floating piston (3) is close to the front wall, and a front space is formed among the front floating piston, the outer cylinder (1), the front boss and the piston rod (2); a rear space is formed among the rear traveling piston (4), the outer cylinder (1), the rear boss and the piston rod (2);
the elastic component (5) is arranged in the moving space, one end of the elastic component is connected with the front moving piston (3), and the other end of the elastic component is connected with the rear moving piston (4);
the front tongue piece (6) is arranged in the front space, one end of the front tongue piece is connected with the front floating piston (3), and a front locking space is formed between the front tongue piece and the front floating piston (3) as well as between the front tongue piece and the front wall;
the rear tongue piece (7) is arranged in the rear space, one end of the rear tongue piece is connected with the rear floating piston (4), and a rear locking space is formed between the rear tongue piece and the rear floating piston (4) as well as between the rear tongue piece and the rear wall;
wherein the content of the first and second substances,
the movable locking structure can lock the front fixed locking structure in the front locking space, so that the actuating cylinder is in a front locking position;
the movable locking structure can also lock the rear fixed locking structure in the rear locking space, so that the actuating cylinder is in a rear locking position.
2. The actuator cylinder according to claim 1, wherein the diameters of the outer walls of the piston rod (2) at the two sides of the moving slot are gradually reduced towards the direction far away from the moving slot, wherein the outer wall close to the outer end of the piston rod is called a front outer wall, and the outer wall far away from the outer end of the piston rod is called a rear outer wall;
the front position fixing and locking structure comprises a front position locking plate (8) which is arranged in the front position space, one end of the front position locking plate is fixedly connected with the outer barrel (1), and a front position inserting space is formed between the front position locking plate (8) and the outer barrel (1);
the rear position fixing and locking structure comprises a rear position locking plate (9) which is arranged in the rear position space, one end of the rear position locking plate is fixedly connected with the outer barrel (1), and a rear position inserting space is formed between the rear position locking plate (9) and the outer barrel (1);
the piston rod (2) moves towards the front locking plate (8), the other end of the front locking plate (8) is guided into the front locking space along the front outer wall, and the front tongue piece (6) is inserted into the front insertion space to enable the actuator cylinder to be located at the front locking position;
piston rod (2) to back position locking plate (9) direction is removed, the other end of back position locking plate (9) is followed back position outer wall is leading-in back position locking space, back position tongue piece (7) are inserted back position insertion space makes the actuator cylinder is in back position locking position.
3. The ram of claim 2,
the front boss is in sealing contact with the piston rod (2);
the rear boss is in sealing contact with the piston rod (2);
the front floating piston (3) is in sealing contact with the outer cylinder (1); the front floating piston (3) is in sealing contact with the piston rod (2);
the rear floating piston (4) is in sealing contact with the outer cylinder (1); the front floating piston (3) is in sealing contact with the piston rod (2);
the wall of the outer cylinder (1) is provided with:
a front oil through hole (10) communicated with the front space;
a rear oil through hole (11) communicated with the rear space;
wherein the content of the first and second substances,
pressure oil is introduced into the front space through the front oil through hole (10), and meanwhile, the pressure oil in the rear space is extracted through the rear oil through hole (11), and the piston rod (2) can move towards the rear locking plate (9);
through back position oil through hole (11) to back position space lets in pressure oil, and will simultaneously through preceding position oil through hole (10) pressure oil in the preceding position space is taken out, piston rod (2) can to preceding position locking plate (8) direction removal.
4. The actuator cylinder according to claim 3, wherein a traveling oil passage (12) is formed in a wall of the outer cylinder (1) to communicate with the traveling space.
5. Actuator cylinder according to claim 4, characterized in that the resilient part (5) is a plurality of parts and is evenly distributed along the circumference of the piston rod (2).
6. Actuator cylinder according to claim 5, characterized in that the resilient part (5) is a spring.
7. The ram as claimed in claim 6, wherein the front wall and the rear wall are angled at an acute angle of 45 degrees to the axis of the piston rod (2).
8. Actuator cylinder according to claim 7, characterized in that the locking tabs (8) are more than one and are evenly distributed along the inner wall of the outer cylinder (1).
9. Actuator cylinder according to claim 8, characterised in that the rear locking tabs (9) are provided in a plurality and are evenly distributed along the inner wall of the outer cylinder (1).
CN201810977834.6A 2018-08-27 2018-08-27 Actuating cylinder Active CN109114066B (en)

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Application Number Priority Date Filing Date Title
CN201810977834.6A CN109114066B (en) 2018-08-27 2018-08-27 Actuating cylinder

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Application Number Priority Date Filing Date Title
CN201810977834.6A CN109114066B (en) 2018-08-27 2018-08-27 Actuating cylinder

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CN109114066A CN109114066A (en) 2019-01-01
CN109114066B true CN109114066B (en) 2020-02-07

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003423A (en) * 2010-12-17 2011-04-06 徐州重型机械有限公司 Hydraulic bidirectional lock and crane with same
CN102518621A (en) * 2011-12-20 2012-06-27 中国航空工业集团公司金城南京机电液压工程研究中心 Actuator cylinder position locking and unlocking mechanism
CN103752656A (en) * 2014-01-14 2014-04-30 烟台三重技术开发有限公司 Wedge-lock-type bidirectional locking mechanism of pull tower
JP2014133535A (en) * 2013-01-11 2014-07-24 Toyoda Gosei Co Ltd Actuator
CN104006032A (en) * 2014-05-09 2014-08-27 中船重工中南装备有限责任公司 Two-direction mechanical locking hydraulic cylinder
CN104034501A (en) * 2014-06-24 2014-09-10 中国飞机强度研究所 Aircraft rear body dynamic load follow-up loading testing device
CN204357839U (en) * 2014-12-25 2015-05-27 山东兖煤黑豹矿业装备有限公司 Plug-in type double faced lock in oil cylinder
CN204533055U (en) * 2015-02-12 2015-08-05 中航飞机起落架有限责任公司 The two-way claw lock construction of undercarriage control pressurized strut
CN106089853A (en) * 2016-08-25 2016-11-09 中航飞机起落架有限责任公司 The pressurized strut of a kind of built-in machines lock and the method locking, unblank thereof
CN207246152U (en) * 2017-10-10 2018-04-17 成都弗格森液压机电有限公司 A kind of oil cylinder with jack catchs type mechanical locking device
CN108302084A (en) * 2017-11-23 2018-07-20 湖北江山专用汽车有限公司 A kind of bottom structure for locking mechanism with bidirectional hydraulic

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9021936B2 (en) * 2012-09-28 2015-05-05 Eaton Corporation Ventless actuator lock
CN203527075U (en) * 2013-10-28 2014-04-09 长春泽众华新精密机械有限公司 Hydraulic bidirectional self-locking clamping mechanism
CN104354854B (en) * 2014-10-29 2016-06-29 中航飞机起落架有限责任公司 A kind of multi-functional undercarriage brace apparatus
CN104632780B (en) * 2014-12-05 2016-08-24 四川凌峰航空液压机械有限公司 Pressurized strut U-shaped slotted collar is locked
CN207377898U (en) * 2017-10-10 2018-05-18 成都弗格森液压机电有限公司 A kind of recycling with mechanical locking device hydraulic cylinder in place

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003423A (en) * 2010-12-17 2011-04-06 徐州重型机械有限公司 Hydraulic bidirectional lock and crane with same
CN102518621A (en) * 2011-12-20 2012-06-27 中国航空工业集团公司金城南京机电液压工程研究中心 Actuator cylinder position locking and unlocking mechanism
JP2014133535A (en) * 2013-01-11 2014-07-24 Toyoda Gosei Co Ltd Actuator
CN103752656A (en) * 2014-01-14 2014-04-30 烟台三重技术开发有限公司 Wedge-lock-type bidirectional locking mechanism of pull tower
CN104006032A (en) * 2014-05-09 2014-08-27 中船重工中南装备有限责任公司 Two-direction mechanical locking hydraulic cylinder
CN104034501A (en) * 2014-06-24 2014-09-10 中国飞机强度研究所 Aircraft rear body dynamic load follow-up loading testing device
CN204357839U (en) * 2014-12-25 2015-05-27 山东兖煤黑豹矿业装备有限公司 Plug-in type double faced lock in oil cylinder
CN204533055U (en) * 2015-02-12 2015-08-05 中航飞机起落架有限责任公司 The two-way claw lock construction of undercarriage control pressurized strut
CN106089853A (en) * 2016-08-25 2016-11-09 中航飞机起落架有限责任公司 The pressurized strut of a kind of built-in machines lock and the method locking, unblank thereof
CN207246152U (en) * 2017-10-10 2018-04-17 成都弗格森液压机电有限公司 A kind of oil cylinder with jack catchs type mechanical locking device
CN108302084A (en) * 2017-11-23 2018-07-20 湖北江山专用汽车有限公司 A kind of bottom structure for locking mechanism with bidirectional hydraulic

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