CN109211165A - A kind of pressurized strut displacement sensor embedded locking structure - Google Patents

A kind of pressurized strut displacement sensor embedded locking structure Download PDF

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Publication number
CN109211165A
CN109211165A CN201810872431.5A CN201810872431A CN109211165A CN 109211165 A CN109211165 A CN 109211165A CN 201810872431 A CN201810872431 A CN 201810872431A CN 109211165 A CN109211165 A CN 109211165A
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China
Prior art keywords
bushing
pressurized strut
lock washer
linear movement
displacement sensor
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CN201810872431.5A
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CN109211165B (en
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王旭东
杜海
雷劲
张伟
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Xian Flight Automatic Control Research Institute of AVIC
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Xian Flight Automatic Control Research Institute of AVIC
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
    • G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Actuator (AREA)

Abstract

The present invention provides a kind of pressurized strut displacement sensor embedded locking structure, is related to the improvement to line position sensor locking mechanism built in hydraulic system pressurized strut, has many advantages, such as that structure is simple, reliable lock is high, machine zero is convenient.It includes: shell (1), bushing (2), bushing locking nut (3), spring catch (4), bearing (5), linear movement pick-up (6), pressurized strut hood (7), lock washer (8), hexagon thin nut (9).

Description

A kind of pressurized strut displacement sensor embedded locking structure
Technical field
The invention belongs to actuator configurations designing technique, it is related to locking line position sensor built in hydraulic system pressurized strut The improvement of structure has many advantages, such as that structure is simple, reliable lock is high, machine zero is convenient.
Background technique
The locking mechanism of linear movement pick-up built in conventional hydraulic pressurized strut is complicated, and locking effect is not after the zeroing of tail portion Well, the phenomenon that causing the shaking of linear movement pick-up under vibrating conditions to bring accuracy decline that actuator is caused to be shaken, serious Affect Flight Safety.The present invention devises a kind of pressurized strut displacement sensor embedded locking structure, simple with structure, Zeroing is convenient, reliable lock is high, the advantages that occupying little space.
Summary of the invention
The purpose of the present invention is: to optimize locking mechanism, linear movement pick-up locking can built in raising hydraulic actuator By property, and then guarantee the movement progress of actuator, a kind of pressurized strut displacement sensor embedded locking structure is provided
The technical scheme is that
A kind of pressurized strut displacement sensor embedded locking structure, comprising:
Shell 1, bushing 2, bushing locking nut 3, spring catch 4, bearing 5, linear movement pick-up 6, pressurized strut hood 7, lock Tight gasket 8, hexagon thin nut 9；
The left end of linear movement pick-up 6 is Step Shaft, and bearing 5 is socketed on the Step Shaft, and bushing 2 is socketed in bearing 5 Outside, 2 inner surface of bushing are equipped with annular convex platform, and 5 left end of bearing is bonded with 2 annular convex platform right end of bushing；Linear movement pick-up 6 Step Shaft outermost end is equipped with external screw thread, and bushing locking nut 3 is equipped with internal screw thread, bushing locking nut 3 and linear movement pick-up 6 Step Shaft outermost end is spirally connected, and 3 right end of bushing locking nut is bonded with 2 annular convex platform left end of bushing；2 outer surface of bushing is equipped with annular Slot, shell 1 are socketed in outside bushing 2, and shell 1 and 2 outer surface annular groove corresponding position of bushing are equipped with unthreaded hole, and spring catch 4 passes through The unthreaded hole is inserted in 2 outer surface annular groove of bushing；
The right end of linear movement pick-up 6 is thread spindle, and the thread spindle edge is axially arranged with thread groove, table in lock washer 8 Face is equipped with hook, after machine zero, by lock washer 8 from the right end thread spindle that right side is socketed in linear movement pick-up 6, and lock The hook of tight gasket 8 is inserted into the thread groove, is tightened lock washer 8 and pressurized strut hood 7 by hex nut 9.
The outer surface part ream of pressurized strut hood 7 is flat, and 8 outer ring of lock washer is equipped with slotted vane, by the outer ring recess of lock washer 8 The spot facing of piece flange to pressurized strut hood 7 carries out mechanical locking.
Spring catch 4 is C-shaped pin.
Spring catch 4 passes through after the unthreaded hole is inserted in 2 outer surface annular groove of bushing, takes over a job stopper rod to spring in 1 housing of shell Pin 4 limits.
The invention has the advantages that a kind of pressurized strut displacement sensor embedded locking structure, passes through spring catch, lock washer etc. The design of key part optimizes the locking mechanism of linear movement pick-up built in hydraulic actuator, improves reliable lock.Have Structure is simple, occupies little space, is easy to return to zero, locks the advantages that quality is high, anti-loosing effect is good.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The present invention is described in further details below.Referring to Fig. 1,
A kind of pressurized strut displacement sensor embedded locking structure, comprising:
Shell 1, bushing 2, bushing locking nut 3, spring catch 4, bearing 5, linear movement pick-up 6, pressurized strut hood 7, lock Tight gasket 8, hexagon thin nut 9；
The left end of linear movement pick-up 6 is Step Shaft, and bearing 5 is socketed on the Step Shaft, and bushing 2 is socketed in bearing 5 Outside, 2 inner surface of bushing are equipped with annular convex platform, and 5 left end of bearing is bonded with 2 annular convex platform right end of bushing；Linear movement pick-up 6 Step Shaft outermost end is equipped with external screw thread, and bushing locking nut 3 is equipped with internal screw thread, bushing locking nut 3 and linear movement pick-up 6 Step Shaft outermost end is spirally connected, and 3 right end of bushing locking nut is bonded with 2 annular convex platform left end of bushing；2 outer surface of bushing is equipped with annular Slot, shell 1 are socketed in outside bushing 2, and shell 1 and 2 outer surface annular groove corresponding position of bushing are equipped with unthreaded hole, and spring catch 4 is C-shaped Pin, is inserted in 2 outer surface annular groove of bushing across the unthreaded hole；Later, stopper rod is taken over a job to the limit of spring catch 4 in 1 housing of shell. Due to limiting axial freedom, 6 left end of linear movement pick-up can only be rotated around axial, prevent the torsion of linear movement pick-up Change shape.
The right end of linear movement pick-up 6 is thread spindle, and the thread spindle edge is axially arranged with thread groove, table in lock washer 8 Face is equipped with hook, after machine zero, by lock washer 8 from the right end thread spindle that right side is socketed in linear movement pick-up 6, and lock The hook of tight gasket 8 is inserted into the thread groove, is tightened lock washer 8 and pressurized strut hood 7 by hex nut 9.Actuation The outer surface part ream of cylinder hood 7 is flat, and 8 outer ring of lock washer is equipped with slotted vane, by the outer ring slotted vane flange of lock washer 8 to actuation The spot facing of cylinder hood 7 carries out mechanical locking.

Claims (4)

1. a kind of pressurized strut displacement sensor embedded locking structure characterized by comprising
Shell (1), bushing (2), bushing locking nut (3), spring catch (4), bearing (5), linear movement pick-up (6), pressurized strut Hood (7), lock washer (8), hexagon thin nut (9)；
The left end of linear movement pick-up (6) is Step Shaft, and bearing (5) is socketed on the Step Shaft, and bushing (2) is socketed in bearing (5) outside, bushing (2) inner surface are equipped with annular convex platform, and bearing (5) left end is bonded with bushing (2) annular convex platform right end；Displacement of the lines The Step Shaft outermost end of sensor (6) be equipped with external screw thread, bushing locking nut (3) be equipped with internal screw thread, bushing locking nut (3) with The Step Shaft outermost end of linear movement pick-up (6) is spirally connected, and bushing locking nut (3) right end and bushing (2) annular convex platform left end are pasted It closes；Bushing (2) outer surface is equipped with annular groove, and shell (1) is socketed in bushing (2) outside, shell (1) and bushing (2) appearance face ring Shape slot corresponding position is equipped with unthreaded hole, and spring catch (4) passes through the unthreaded hole and is inserted in the annular groove of bushing (2) outer surface；
The right end of linear movement pick-up (6) is thread spindle, and the thread spindle edge is axially arranged with thread groove, lock washer (8) interior table Face is equipped with hook and lock washer (8) is socketed in the right end thread spindle of linear movement pick-up (6) from right side after machine zero On, the hook of lock washer (8) is inserted into the thread groove, by hex nut (9) by lock washer (8) and pressurized strut hood (7) it tightens.
2. a kind of pressurized strut displacement sensor embedded locking structure as described in claim 1, which is characterized in that
The outer surface part ream of pressurized strut hood (7) is flat, and lock washer (8) outer ring is equipped with slotted vane, by the outer ring of lock washer (8) The spot facing of slotted vane flange to pressurized strut hood (7) carries out mechanical locking.
3. a kind of pressurized strut displacement sensor embedded locking structure as described in claim 1, which is characterized in that spring catch (4) It is C-shaped pin.
4. a kind of pressurized strut displacement sensor embedded locking structure as claimed in claim 3, which is characterized in that spring catch (4) After bushing (2) outer surface annular groove is inserted in across the unthreaded hole, spring catch (4) are limited in shell (1) housing stopper rod of taking over a job.
CN201810872431.5A 2018-08-02 2018-08-02 Built-in locking structure of actuator cylinder displacement sensor Active CN109211165B (en)

Priority Applications (1)

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CN201810872431.5A CN109211165B (en) 2018-08-02 2018-08-02 Built-in locking structure of actuator cylinder displacement sensor

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Application Number Priority Date Filing Date Title
CN201810872431.5A CN109211165B (en) 2018-08-02 2018-08-02 Built-in locking structure of actuator cylinder displacement sensor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882719A (en) * 2019-03-11 2019-06-14 汉腾汽车有限公司 A kind of fixed device of stay wire displacement sensor
CN114136254A (en) * 2021-11-01 2022-03-04 庆安集团有限公司 Actuator piston rod rotatable external linear displacement sensor anti-torsion structure

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611302A (en) * 1992-06-26 1994-01-21 Aichi Steel Works Ltd Magnetic displacement sensor and height sensor incorporating absorber
KR20010016937A (en) * 1999-08-05 2001-03-05 장철수 Zero Point Locked Pin-Pulley Rotarying Shaft for CNC Multi-Spindle Winding Machine
JP2003014084A (en) * 2001-06-28 2003-01-15 Isuzu Motors Ltd Differential limiting device
CN201466875U (en) * 2009-04-02 2010-05-12 中国航天科技集团公司烽火机械厂 electromechanical actuator
KR20120015768A (en) * 2010-08-13 2012-02-22 두산엔진주식회사 The sensor jig for the device of the bearing wear monitoring for the low speed diesel engine
CN102445173A (en) * 2011-09-14 2012-05-09 中国航空工业集团公司西安飞机设计研究所 Clamping device for linear displacement sensor
US20130125661A1 (en) * 2011-09-14 2013-05-23 G. Alexis Arzoumanidis Load Frame Assembly
CN103671355A (en) * 2013-12-12 2014-03-26 中国航空工业集团公司金城南京机电液压工程研究中心 Built-in redundancy sensor installation structure
CN203560201U (en) * 2013-09-27 2014-04-23 北京航天发射技术研究所 Built-in displacement sensor capable of interferential and internal locking of hydraulic cylinder
CN204082758U (en) * 2014-08-07 2015-01-07 深圳三思纵横科技股份有限公司 A kind of hydraulic servo actuator
CN104458228A (en) * 2014-11-28 2015-03-25 济南瑞晟机械有限公司 External limit actuator
CN204255320U (en) * 2014-11-14 2015-04-08 中国航空工业第六一八研究所 A kind of zeroing locking mechanism of telescopic linear movement pick-up
CN104697434A (en) * 2013-12-10 2015-06-10 中国航空工业第六一八研究所 Rotor zero-adjustment structure of double-redundancy angular displacement sensor and adjustment method of rotor zero-adjustment structure
CN204533058U (en) * 2015-03-31 2015-08-05 中国飞机强度研究所 A kind of displacement transducer erecting device for hydraulic actuator Bit andits control
CN105041761A (en) * 2015-06-08 2015-11-11 北京精密机电控制设备研究所 Zero adjustment device for servo actuator
CN105043231A (en) * 2015-06-11 2015-11-11 北京精密机电控制设备研究所 Installing mechanism for built-in plate type displacement sensor adapted to servo actuator
CN105783820A (en) * 2016-03-18 2016-07-20 中国直升机设计研究所 Helicopter level displacement sensor zero adjustment device and zero adjustment method
CN206160980U (en) * 2016-08-31 2017-05-10 北京精密机电控制设备研究所 Servo mechanism displacement sensor mounting structure
CN107643068A (en) * 2017-10-17 2018-01-30 兰州飞行控制有限责任公司 A kind of angular displacement sensor mounting structure and its zero-bit method of adjustment
CN107907082A (en) * 2017-10-27 2018-04-13 北京精密机电控制设备研究所 A kind of mechanism that can eliminate displacement sensor installation gap

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611302A (en) * 1992-06-26 1994-01-21 Aichi Steel Works Ltd Magnetic displacement sensor and height sensor incorporating absorber
KR20010016937A (en) * 1999-08-05 2001-03-05 장철수 Zero Point Locked Pin-Pulley Rotarying Shaft for CNC Multi-Spindle Winding Machine
JP2003014084A (en) * 2001-06-28 2003-01-15 Isuzu Motors Ltd Differential limiting device
CN201466875U (en) * 2009-04-02 2010-05-12 中国航天科技集团公司烽火机械厂 electromechanical actuator
KR20120015768A (en) * 2010-08-13 2012-02-22 두산엔진주식회사 The sensor jig for the device of the bearing wear monitoring for the low speed diesel engine
CN102445173A (en) * 2011-09-14 2012-05-09 中国航空工业集团公司西安飞机设计研究所 Clamping device for linear displacement sensor
US20130125661A1 (en) * 2011-09-14 2013-05-23 G. Alexis Arzoumanidis Load Frame Assembly
CN203560201U (en) * 2013-09-27 2014-04-23 北京航天发射技术研究所 Built-in displacement sensor capable of interferential and internal locking of hydraulic cylinder
CN104697434A (en) * 2013-12-10 2015-06-10 中国航空工业第六一八研究所 Rotor zero-adjustment structure of double-redundancy angular displacement sensor and adjustment method of rotor zero-adjustment structure
CN103671355A (en) * 2013-12-12 2014-03-26 中国航空工业集团公司金城南京机电液压工程研究中心 Built-in redundancy sensor installation structure
CN204082758U (en) * 2014-08-07 2015-01-07 深圳三思纵横科技股份有限公司 A kind of hydraulic servo actuator
CN204255320U (en) * 2014-11-14 2015-04-08 中国航空工业第六一八研究所 A kind of zeroing locking mechanism of telescopic linear movement pick-up
CN104458228A (en) * 2014-11-28 2015-03-25 济南瑞晟机械有限公司 External limit actuator
CN204533058U (en) * 2015-03-31 2015-08-05 中国飞机强度研究所 A kind of displacement transducer erecting device for hydraulic actuator Bit andits control
CN105041761A (en) * 2015-06-08 2015-11-11 北京精密机电控制设备研究所 Zero adjustment device for servo actuator
CN105043231A (en) * 2015-06-11 2015-11-11 北京精密机电控制设备研究所 Installing mechanism for built-in plate type displacement sensor adapted to servo actuator
CN105783820A (en) * 2016-03-18 2016-07-20 中国直升机设计研究所 Helicopter level displacement sensor zero adjustment device and zero adjustment method
CN206160980U (en) * 2016-08-31 2017-05-10 北京精密机电控制设备研究所 Servo mechanism displacement sensor mounting structure
CN107643068A (en) * 2017-10-17 2018-01-30 兰州飞行控制有限责任公司 A kind of angular displacement sensor mounting structure and its zero-bit method of adjustment
CN107907082A (en) * 2017-10-27 2018-04-13 北京精密机电控制设备研究所 A kind of mechanism that can eliminate displacement sensor installation gap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李沛剑等: "一种内置复位弹簧式位移传感器的研制", 《宇航计测技术》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882719A (en) * 2019-03-11 2019-06-14 汉腾汽车有限公司 A kind of fixed device of stay wire displacement sensor
CN114136254A (en) * 2021-11-01 2022-03-04 庆安集团有限公司 Actuator piston rod rotatable external linear displacement sensor anti-torsion structure
CN114136254B (en) * 2021-11-01 2024-04-09 庆安集团有限公司 Anti-torsion structure of external linear displacement sensor with rotatable actuator piston rod

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