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 PDF

Info

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
Application number
CN201811475622.4A
Other languages
Chinese (zh)
Inventor
齐广东
刘晓霞
何连明
陆聪玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese Hangfa Changchun Control Technology Co Ltd
Original Assignee
Chinese Hangfa Changchun Control Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chinese Hangfa Changchun Control Technology Co Ltd filed Critical Chinese Hangfa Changchun Control Technology Co Ltd
Priority to CN201811475622.4A priority Critical patent/CN109595215A/en
Publication of CN109595215A publication Critical patent/CN109595215A/en
Pending legal-status Critical Current

Links

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
    • 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

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

A kind of pressurized strut of built-in machines synchronizing device
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.
CN201811475622.4A 2018-12-04 2018-12-04 A kind of pressurized strut of built-in machines synchronizing device Pending CN109595215A (en)

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
CN109595215A true CN109595215A (en) 2019-04-09

Family

ID=65961373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811475622.4A Pending CN109595215A (en) 2018-12-04 2018-12-04 A kind of pressurized strut of built-in machines synchronizing device

Country Status (1)

Country Link
CN (1) CN109595215A (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202970631U (en) Rotary telescopic device
CN201661543U (en) Extending position self-locking type hydraulic cylinder
CN106041066A (en) Feeding mechanism of neodymium iron boron magnetic field forming press
CN106704312A (en) Digital hydraulic cylinder with novel feedback mechanism
CN208040815U (en) A kind of rotary oil cylinder
CN208862684U (en) A kind of electric cylinders of external guide frame
CN109595215A (en) A kind of pressurized strut of built-in machines synchronizing device
CN201979132U (en) Hand-operated feeding device for aperture processing
CN110259761A (en) Anti-rotation hydraulic cylinder piston rod displacement sensor mounting structure
CN103077918A (en) Ejector pin device of die grading equipment
CN202317053U (en) Tailstock of heavy-duty lathe
CN107747597B (en) A kind of dedicated switching of 10 tonnes of planetary roller screw load tests and fixed device
CN201634368U (en) Synchronous lifting mechanism
CN109798340A (en) A kind of small size heavy duty multi-stage electric cylinder
CN101504019B (en) Permanent magnet buffering hydraulic cylinder
CN213684763U (en) Mechanical locking anti-rotation hydraulic cylinder
CN202106042U (en) Hydraulic composite cylinder structure of machine tool tailstock
CN206406079U (en) Hydraulic locking revolute joint
CN112664508A (en) Swing linear oil cylinder
CN210087717U (en) Telescopic rotary hydraulic cylinder
CN103953605B (en) Hydrolic plate bender numerical control range-adjustable oil hydraulic cylinder
CN104527004B (en) Mold opening and closing method for self-locking type mold closing mechanism based on two-plate machine
CN207701508U (en) A kind of bottom structure for locking mechanism with bidirectional hydraulic
CN203134771U (en) Lifting pin device for chip sorting device
CN208316491U (en) A kind of protective device preventing card cylinder for electric cylinder

Legal Events

Date Code Title Description
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: 20190409

WD01 Invention patent application deemed withdrawn after publication