CN109595215A - A kind of pressurized strut of built-in machines synchronizing device - Google Patents
A kind of pressurized strut of built-in machines synchronizing device Download PDFInfo
- Publication number
- CN109595215A CN109595215A CN201811475622.4A CN201811475622A CN109595215A CN 109595215 A CN109595215 A CN 109595215A CN 201811475622 A CN201811475622 A CN 201811475622A CN 109595215 A CN109595215 A CN 109595215A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- cylinder
- pressurized strut
- nut
- machines
- 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
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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
- F15B15/14—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
- F15B15/1423—Component parts; Constructional details
Abstract
A kind of pressurized strut pressurized strut Design of Synchronization Technology field of built-in machines synchronizing device, it is therefore intended that solve the problems, such as poor reliability of the existing technology and pressurized strut is caused to damage.A kind of pressurized strut of built-in machines synchronizing device of the invention includes: cylinder;The piston rod assembly for protruding into from described cylinder one end and being moved back and forth with cylinder cooperation;The piston rod being arranged in the piston rod assembly is located at the rod end component in cylinder lateral ends portion;And the synchronization mechanism of the cylinder other end and the piston rod assembly is set;Synchronization mechanism connection in multiple pressurized struts moves synchronously.The present invention improves the reliability of work, and save the cost, position precision is high, and hazard rate is low, and piston rod and cylinder contact position are provided with bushing, plays wear-resistant, influence of the reduction lateral force to piston rod when piston rod is moved back and forth with respect to cylinder.
Description
Technical field
The invention belongs to pressurized strut Design of Synchronization Technology fields, and in particular to a kind of actuation of built-in machines synchronizing device
Cylinder.
Background technique
Pressurized strut is widely used in the fields such as Aeronautics and Astronautics, ship as movement driving part, in the prior art
Pressurized strut is divided into hydraulic control and two kinds of Electronic control, it is therefore an objective to pass through the extended or retracted movement of the piston rod of drive control.
In different application environment, the case where multiple pressurized struts cooperate can be related to, and multiple pressurized strut piston rods is required to stretch out
Or it is retracted process speed and position consistency;For existing structure and driving principle, different actuation cartridge modules use different liquid
Pressure system or electric-control system are driven, and because of the processing of actuation cartridge module, there are errors for assembly, and the piston of each actuation cartridge module can not
The stroke end of pressurized strut design can be reached simultaneously, speed cannot reach consistent, to use poor reliability with position, meanwhile, hold
Easily part pressurized strut is damaged.
Summary of the invention
It is an object of the invention to propose a kind of pressurized strut of built-in machines synchronizing device, solution is of the existing technology can
The problem of by property difference and pressurized strut being caused to damage.
To achieve the above object, the pressurized strut of a kind of built-in machines synchronizing device of the invention includes:
Cylinder;
The piston rod assembly for protruding into from described cylinder one end and being moved back and forth with cylinder cooperation;
The piston rod being arranged in the piston rod assembly is located at the rod end component in cylinder lateral ends portion;
And the synchronization mechanism of the cylinder other end and the piston rod assembly is set;Synchronization mechanism in multiple pressurized struts
Connection moves synchronously.
The piston rod assembly includes:
Positioned at the inner barrel and the piston of opposite cylinder reciprocating motion;
The piston rod that inner barrel is fixedly connected with the piston is protruded into one end;
Positioned at the cooling collar of piston rod inner coaxial arrangement, the cooling collar passes through the resistance being arranged on piston rod
Buddhist nun hole is connected with cooling oil path;
And clamp nut, the clamp nut are connect with piston rod.
The piston rod and the cylinder junction include swivel nut, the first locking nut, the first locking plate and bushing;The spiral shell
It covering on the piston rod, one end is connected with the cylinder screw, and the first locking nut is connected with the cylinder screw, and
The swivel nut effect locking, first locking nut and swivel nut contact position are provided with the first locking plate, and the lining is set on institute
It states at cylinder inner surface and the plunger rod contacts.
The synchronization mechanism includes:
The shell being fixedly connected with the end cap of the barrel end;
One end passes through the lead screw that bearing is connected with the shell, and the lead screw other end protrudes into the inner barrel;
The feed screw nut connected with the threads of lead screw, the piston rod end in the feed screw nut and piston rod assembly are solid
Fixed connection;
It is fixed on the worm gear that the lead screw is located at one end in shell, the worm gear and lead screw coaxial arrangement;
And the worm screw with worm gear engagement, an end for the worm screw is provided with axial flexible axle mounting hole;It is adjacent
The flexible axle mounting hole of worm end in two pressurized struts is connected by flexible axle.
The piston rod and the piston are an integral structure.
The rod end component includes:
The rod end bearing seat that one end and the piston rod end are threadedly coupled;
The second locking nut being threadedly coupled with piston rod end;
It is arranged in second between piston rod and the second locking nut of rod end bearing seat junction and rod end bearing seat
Locking plate;
And the steel ball in the rod end bearing seat ball-and-socket is set.
The invention has the benefit that a kind of pressurized strut of built-in machines synchronizing device of the invention adds in the design process
Enter synchronous mechanism, worm and worm wheel cooperation, worm gear is fixed on one end of lead screw, and worm screw rotation drives vertically disposed silk
Thick stick rotation, the pressurized strut being used in conjunction with are connected the worm screw in two synchronization mechanisms by flexible axle, keep the lead screw of two pressurized struts same
Step movement, speed is identical with position, when piston rod and piston driver under stress move back and forth, by feed screw nut by the straight of piston rod
Line, which moves, is converted to the rotary motion of lead screw, and worm gear and lead screw are coaxially connected and with lead screw rotary motion, passes through driven type
Worm screw rotary motion, worm screw have mechanical flexible axle mounting hole, connect two pressurized struts by flexible axle, realization moves synchronously;It improves
The reliability of work, save the cost, position precision is high, and hazard rate is low, and piston rod and cylinder contact position are provided with bushing,
Play wear-resistant, influence of the reduction lateral force to piston rod when piston rod is moved back and forth with respect to cylinder.
Detailed description of the invention
Fig. 1 is a kind of pressurized strut overall structure diagram of built-in machines synchronizing device of the invention;
Fig. 2 is synchronization mechanism structural schematic diagram in a kind of pressurized strut of built-in machines synchronizing device of the invention;
Wherein: 1, cylinder, 2, piston rod assembly, 201, piston, 202, piston rod, 203, cooling collar, 204, damping hole,
205, clamp nut, 3, synchronization mechanism, 301, shell, 302, lead screw, 303, bearing, 304, feed screw nut, 305, worm gear, 306, snail
Bar, 307, flexible axle mounting hole, 4, rod end component, 401, rod end bearing seat, the 402, second locking nut, the 403, second locking plate,
404, steel ball, 5, swivel nut, the 6, first locking nut, the 7, first locking plate, 8, bushing.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Referring to attached drawing 1 and attached drawing 2, a kind of pressurized strut of built-in machines synchronizing device of the invention includes:
Cylinder 1;
The piston rod assembly 2 for protruding into from described 1 one end of cylinder and being moved back and forth with the cylinder 1 cooperation;
The piston rod 202 being arranged in the piston rod assembly 2 is located at the rod end component 4 in 1 lateral ends portion of cylinder;
And the synchronization mechanism 3 of 1 other end of cylinder and the piston rod assembly 2 is set;Synchronization in multiple pressurized struts
The connection of mechanism 3 moves synchronously.
The piston rod assembly 2 includes:
Positioned at 1 inside of cylinder and the piston 201 of the opposite reciprocating motion of cylinder 1;
The piston rod 202 that 1 inside of cylinder is fixedly connected with the piston 201 is protruded into one end;
The cooling collar 203 being coaxially disposed inside the piston rod 202, the cooling collar 203 pass through piston rod
The damping hole 204 being arranged on 202 is connected with cooling oil path;The damping hole 204 is the hole of diameter 0.5mm;
And clamp nut 205, the clamp nut 205 are connect with piston rod 202, play the role of fixed feed screw nut.
The piston rod 202 and 1 junction of the cylinder include swivel nut 5, the first locking nut 6, the first locking plate 7 and bushing
8;5 sets of the swivel nut on the piston rod 202, one end and the cylinder 1 are threadedly coupled, the first locking nut 6 and described
Cylinder 1 is threadedly coupled and the effect locking of the swivel nut 5, and first locking nut 6 and 5 contact position of swivel nut are provided with the first lock
Piece 7, the bushing 8 are arranged in 202 contact position of 1 inner surface of cylinder and the piston rod.Piston 201 is reciprocal in cylinder 1
When movement, bushing 8 plays wear-resistant, influence of the reduction lateral force to piston rod 202.
The synchronization mechanism 3 includes:
The shell 301 being fixedly connected with the end cap of 1 end of cylinder;
The lead screw 302 that one end is connected by bearing 303 and the shell 301,302 other end of lead screw protrude into the cylinder
Inside body 1;
The feed screw nut 304 being threadedly coupled with the lead screw 302, the feed screw nut 304 pass through spline and piston rod group
202 end of piston rod in part 2 is fixedly connected;
It is fixed on the worm gear 305 that the lead screw 302 is located at one end in shell 301, the worm gear 305 and the lead screw 302
Coaxial arrangement;
And the worm screw 306 with the worm gear 305 engagement, an end for the worm screw 306 are provided with axial flexible axle peace
Fill hole 307;The flexible axle mounting hole 307 of 306 end of worm screw in two neighboring pressurized strut is connected by flexible axle.
The piston rod 202 and the piston 201 are an integral structure.
The rod end component 4 includes:
The rod end bearing seat 401 that one end is connected with 202 end thread of piston rod;
The second locking nut 402 connected with 202 end thread of piston rod;
It is arranged in piston rod 202 and 401 the second locking nut of junction 402 of the rod end bearing seat and rod end bearing seat
The second locking plate 403 between 401;
And the steel ball 404 in 401 ball-and-socket of rod end bearing seat is set.
The ring connection synchronous with outer of rod end component 4.
The first locking plate 7 and 403 structure of the second locking plate in the present invention are octagonal starriness, play locking effect.
Claims (6)
1. a kind of pressurized strut of built-in machines synchronizing device, comprising:
Cylinder (1);
The piston rod assembly (2) for protruding into from the cylinder (1) one end and being moved back and forth with the cylinder (1) cooperation;
The piston rod (202) being arranged in the piston rod assembly (2) is located at the rod end component (4) in cylinder (1) lateral ends portion;
It is characterized by further comprising:
Synchronization mechanism (3) in cylinder (1) other end and the piston rod assembly (2) is set;Synchronous machine in multiple pressurized struts
Structure (3) connection moves synchronously.
2. a kind of pressurized strut of built-in machines synchronizing device according to claim 1, which is characterized in that the piston rod group
Part (2) includes:
The piston (201) moved back and forth positioned at the cylinder (1) internal and opposite cylinder (1);
The piston rod (202) being fixedly connected inside cylinder (1) with the piston (201) is protruded into one end;
The cooling collar (203) being coaxially disposed inside the piston rod (202), the cooling collar (203) pass through piston
The damping hole (204) being arranged on bar (202) is connected with cooling oil path;
And clamp nut (205), the clamp nut (205) connect with piston rod (202).
3. a kind of pressurized strut of built-in machines synchronizing device according to claim 2, which is characterized in that the piston rod
(202) and the cylinder (1) junction includes swivel nut (5), the first locking nut (6), the first locking plate (7) and bushing (8);It is described
Swivel nut (5) covers on the piston rod (202), and one end and the cylinder (1) are threadedly coupled, the first locking nut (6) and institute
Cylinder (1) threaded connection and the swivel nut (5) effect locking are stated, first locking nut (6) and swivel nut (5) contact position are set
It is equipped with the first locking plate (7), the bushing (8) is arranged in the cylinder (1) inner surface and the piston rod (202) contact position.
4. a kind of pressurized strut of built-in machines synchronizing device described in any one of -3 according to claim 1, which is characterized in that
The synchronization mechanism (3) includes:
The shell (301) being fixedly connected with the end cap of the cylinder (1) end;
The lead screw (302) that one end is connected by bearing (303) and the shell (301), lead screw (302) other end protrude into institute
It is internal to state cylinder (1);
The feed screw nut (304) being threadedly coupled with the lead screw (302), in the feed screw nut (304) and piston rod assembly (2)
Piston rod (202) end be fixedly connected;
It is fixed on the worm gear (305) that the lead screw (302) is located at shell (301) interior one end, the worm gear (305) and the lead screw
(302) it is coaxially disposed;
And the worm screw (306) with the worm gear (305) engagement, an end of the worm screw (306) is provided with axial flexible axle
Mounting hole (307);The flexible axle mounting hole (307) of worm screw (306) end in two neighboring pressurized strut is connected by flexible axle.
5. a kind of pressurized strut of built-in machines synchronizing device according to claim 2, which is characterized in that the piston rod
(202) it is an integral structure with the piston (201).
6. a kind of pressurized strut of built-in machines synchronizing device according to claim 2, which is characterized in that the rod end component
(4) include:
The rod end bearing seat (401) that one end is connected with the piston rod (202) end thread;
The second locking nut (402) connected with piston rod (202) end thread;
It is arranged in piston rod (202) and the rod end bearing seat (401) second locking nut of junction (402) and rod end bearing seat
(401) the second locking plate (403) between;
And the steel ball (404) being arranged in rod end bearing seat (401) ball-and-socket.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811475622.4A CN109595215A (en) | 2018-12-04 | 2018-12-04 | A kind of pressurized strut of built-in machines synchronizing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811475622.4A CN109595215A (en) | 2018-12-04 | 2018-12-04 | A kind of pressurized strut of built-in machines synchronizing device |
Publications (1)
Publication Number | Publication Date |
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CN109595215A true CN109595215A (en) | 2019-04-09 |
Family
ID=65961373
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Application Number | Title | Priority Date | Filing Date |
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CN201811475622.4A Pending CN109595215A (en) | 2018-12-04 | 2018-12-04 | A kind of pressurized strut of built-in machines synchronizing device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5385218A (en) * | 1992-02-05 | 1995-01-31 | Univer S.P.A. | Rack and pinion pneumatic actuator with counter-pressure control and damping device |
CN201144916Y (en) * | 2007-11-30 | 2008-11-05 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Hydraulic actuating cylinder for steering outputting angular displacement and torque |
CN101451553A (en) * | 2007-11-30 | 2009-06-10 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Mechanical synchronous hydraulic pressure moving system |
CN201582245U (en) * | 2009-11-26 | 2010-09-15 | 中国航空工业集团公司沈阳发动机设计研究所 | Three-working-position actuator cylinder structure |
JP4570299B2 (en) * | 2001-09-11 | 2010-10-27 | 株式会社Taiyo | Rotary actuator |
CN104358732A (en) * | 2014-10-11 | 2015-02-18 | 邬心超 | Synchronous cylinder with high mass production possibility |
-
2018
- 2018-12-04 CN CN201811475622.4A patent/CN109595215A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5385218A (en) * | 1992-02-05 | 1995-01-31 | Univer S.P.A. | Rack and pinion pneumatic actuator with counter-pressure control and damping device |
JP4570299B2 (en) * | 2001-09-11 | 2010-10-27 | 株式会社Taiyo | Rotary actuator |
CN201144916Y (en) * | 2007-11-30 | 2008-11-05 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Hydraulic actuating cylinder for steering outputting angular displacement and torque |
CN101451553A (en) * | 2007-11-30 | 2009-06-10 | 中国航空工业第一集团公司沈阳发动机设计研究所 | Mechanical synchronous hydraulic pressure moving system |
CN201582245U (en) * | 2009-11-26 | 2010-09-15 | 中国航空工业集团公司沈阳发动机设计研究所 | Three-working-position actuator cylinder structure |
CN104358732A (en) * | 2014-10-11 | 2015-02-18 | 邬心超 | Synchronous cylinder with high mass production possibility |
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Application publication date: 20190409 |
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