CN107643068B - Angular displacement sensor mounting structure and zero adjustment method thereof - Google Patents
Angular displacement sensor mounting structure and zero adjustment method thereof Download PDFInfo
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- CN107643068B CN107643068B CN201710962723.3A CN201710962723A CN107643068B CN 107643068 B CN107643068 B CN 107643068B CN 201710962723 A CN201710962723 A CN 201710962723A CN 107643068 B CN107643068 B CN 107643068B
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- position sensor
- displacement position
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Abstract
The invention belongs to the technical field of actuator structure design, and relates to an angular displacement sensor mounting structure and a zero adjustment method thereof. The back end of the device comprises an angular displacement position sensor assembly, a position sensor cover and a special nut, wherein the angular displacement position sensor is axially constrained by the special nut, after the special nut is loosened, a rotating handle is arranged on the circumference of an angular displacement position sensor mounting frame in the angular displacement position sensor assembly in a rotating mode, the electric zero adjustment of an actuator can be realized, and the problem that the zero adjustment or the zero adjustment cannot be performed easily due to the fact that an axial installation space of the angular displacement actuator is narrow is solved.
Description
Technical Field
The invention belongs to the technical field of actuator structure design, and relates to an angular displacement sensor mounting structure and a zero adjustment method thereof.
Background
The electric servo actuator is an important execution part of a flight control system, after the actuator is installed in an aircraft, the mechanical zero position and the electrical zero position of the actuator are required to be adjusted according to needs, and after the mechanical zero position of an output mechanism of the actuator meets requirements, a shell of an angular position sensor is rotated to adjust the electrical zero position of the angular position sensor, so that the mechanical zero position and the electrical zero position of the actuator are overlapped. The position sensor of electric actuator assembles, the debugging is accomplished the back at the actuator, with actuator casing mechanical fastening, and the axial of actuator will have certain space on the aircraft, and the fixed position sensor fastener just can be loosened to the instrument, makes position sensor can circumferential direction, treats actuator machinery zero position and electric zero position coincidence back, screws up the fastener of fixed position sensor with the instrument, makes position sensor and actuator casing mechanical fastening.
at present, due to the fact that the installation space of an aircraft actuator is limited, zero adjustment or zero adjustment cannot be achieved on the aircraft by the actuator. Aiming at the problem, the zero adjustment method and the structure of the angular displacement actuator are designed, the zero adjustment of the actuator on the aircraft can be realized, the structure is simple, the appearance is attractive, the adjustment method is flexible and convenient, and the requirement of the on-line zero adjustment of the actuator on the aircraft is met.
Disclosure of Invention
The purpose of the invention is: the zero adjustment method and the structure of the angular displacement actuator are provided, and the actuator can be conveniently, flexibly, safely and reliably adjusted to the zero position on an aircraft on line.
According to the zero position requirement of an output shaft of the actuator on the aircraft, after the special nut of the actuator is loosened, the zero position adjustment of the actuator can be realized by rotating the rotating handle of the position sensor mounting plate, the special nut is screwed up after the zero position adjustment is completed, and the special nut is locked by the set screw.
The technical scheme of the invention is as follows: an angular displacement sensor mounting structure and a zero adjustment method thereof comprise an actuator body 1, an angular displacement position sensor assembly 2, a conical head fastening screw pin 5, an outer cover 6 and an external thread pressing block 7; the actuator body 1 is provided with an installation opening of the angular displacement position sensor assembly 2 and is used for installing and fixing the angular displacement position sensor assembly 2; the angular displacement position sensor assembly 2 comprises an angular displacement position sensor and an adjusting ring, the adjusting ring is fixedly connected with the angular displacement position sensor, and the angular displacement position sensor can be driven to integrally rotate by rotating the adjusting ring;
The outer cover 6 is fixedly connected with the actuator body 1, and the angular displacement position sensor assembly 2 is positioned in a space between the outer cover 6 and the actuator body; an internal thread hole is formed in the position, corresponding to the angular displacement position sensor assembly 2, of the outer cover 6, the external thread pressing block 7 is in threaded fit with the internal thread hole, and the angular displacement position sensor assembly 2 can be pressed on the actuator body 1 by rotating the external thread pressing block 7; a threaded hole is formed in the outer cover 6, a conical head fastening screw pin 5 is arranged in the threaded hole in a matched mode, and the conical head fastening screw pin 5 radially abuts against the external thread of the external thread pressing block 7;
And a window is arranged on the outer cover 6, the adjusting ring radially extends to form a shifting fork, and the shifting fork extends out of the window.
further, still include screw 3 and apron 4, the apron passes through the fix with screw on external screw thread briquetting 7, and the briquetting is pressed at the rear portion of conical head fastening swizzle 5, prevents that conical head fastening swizzle 5 from deviating from the screw hole.
Further, a knob or a hexagonal rotary joint is arranged on the external thread pressing block 7 and used for rotating the external thread pressing block 7.
Further, the housing 6 is fixed to the actuator body 1 by bolts 8.
The utility model provides a zero adjustment method of above-mentioned angular displacement sensor mounting structure, install angular displacement position sensor subassembly 2 the installing port of 1 on the actuator body, fix dustcoat 6 to 1 on the actuator body, make the shift fork stretch out from the window of dustcoat 6, stir the shift fork, make angular displacement position sensor be located the zero-bit, rotatory external screw thread briquetting 7 compresses tightly displacement position sensor subassembly 2 to the installing port on, rotatory conical head fastening screw 5, make conical head fastening screw 5 top and screw on the external screw thread of external screw thread briquetting 7, realize the fixed of external screw thread briquetting 7, thereby compress tightly angular displacement position sensor subassembly 1 on the actuator body.
Further, the conical head fastening screw pin 5 is pressed in the threaded hole through the screw and the cover plate.
The invention has the advantages that: the zero adjustment of the position sensor on the actuator body 1 can be guaranteed, the actuator can be locked after adjustment is completed, the zero adjustment cannot be deviated, and the zero adjustment device is simple in structure, reliable, good in machining process, convenient to assemble and convenient to adjust, and after the actuator aircraft is installed, the zero adjustment can be carried out on the axial narrow space.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein: the device comprises an actuator body 1, an angular displacement position sensor component 2, a screw 3, a cover plate 4, a conical head fastening screw pin 5, an outer cover 6, an external thread pressing block 7 and a bolt 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Referring to fig. 1, an angular displacement sensor mounting structure includes an actuator body 1, an angular displacement position sensor assembly 2, a conical head fastening screw pin 5, an outer cover 6, and an external thread press block 7; the actuator body 1 is provided with an installation opening of the angular displacement position sensor assembly 2 and is used for installing and fixing the angular displacement position sensor assembly 2; the angular displacement position sensor assembly 2 comprises an angular displacement position sensor and an adjusting ring, the adjusting ring is fixedly connected with the angular displacement position sensor, and the angular displacement position sensor can be driven to integrally rotate by rotating the adjusting ring;
The outer cover 6 is fixedly connected with the actuator body 1, and the angular displacement position sensor assembly 2 is positioned in a space between the outer cover 6 and the actuator body; an internal thread hole is formed in the position, corresponding to the angular displacement position sensor assembly 2, of the outer cover 6, the external thread pressing block 7 is in threaded fit with the internal thread hole, and the angular displacement position sensor assembly 2 can be pressed on the actuator body 1 by rotating the external thread pressing block 7; a threaded hole is formed in the outer cover 6, a conical head fastening screw pin 5 is arranged in the threaded hole in a matched mode, and the conical head fastening screw pin 5 radially abuts against the external thread of the external thread pressing block 7;
And a window is arranged on the outer cover 6, the adjusting ring radially extends to form a shifting fork, and the shifting fork extends out of the window.
Further, still include screw 3 and apron 4, the apron passes through the fix with screw on external screw thread briquetting 7, and the briquetting is pressed at the rear portion of conical head fastening swizzle 5, prevents that conical head fastening swizzle 5 from deviating from the screw hole.
Further, a knob or a hexagonal rotary joint is arranged on the external thread pressing block 7 and used for rotating the external thread pressing block 7.
Further, the housing 6 is fixed to the actuator body 1 by bolts 8.
The utility model provides a zero adjustment method of above-mentioned angular displacement sensor mounting structure, install angular displacement position sensor subassembly 2 the installing port of 1 on the actuator body, fix dustcoat 6 to 1 on the actuator body, make the shift fork stretch out from the window of dustcoat 6, stir the shift fork, make angular displacement position sensor be located the zero-bit, rotatory external screw thread briquetting 7 compresses tightly displacement position sensor subassembly 2 to the installing port on, rotatory conical head fastening screw 5, make conical head fastening screw 5 top and screw on the external screw thread of external screw thread briquetting 7, realize the fixed of external screw thread briquetting 7, thereby compress tightly angular displacement position sensor subassembly 1 on the actuator body.
further, the conical head fastening screw pin 5 is pressed in the threaded hole through the screw and the cover plate.
Claims (6)
1. An angular displacement sensor mounting structure comprises an actuator body, an angular displacement position sensor assembly, a conical head fastening screw pin, an outer cover and an external thread pressing block; the actuator body is provided with an installation opening of the angular displacement position sensor assembly and is used for installing and fixing the angular displacement position sensor assembly; the angular displacement position sensor assembly comprises an angular displacement position sensor and an adjusting ring, the adjusting ring is fixedly connected with the angular displacement position sensor, and the angular displacement position sensor can be driven to integrally rotate by rotating the adjusting ring;
The outer cover is fixedly connected with the actuator body, and the angular displacement position sensor assembly is positioned in a space between the outer cover and the actuator body; an inner threaded hole is formed in the position, corresponding to the angular displacement position sensor assembly, of the outer cover, an outer threaded pressing block is in threaded fit with the inner threaded hole, and the angular displacement position sensor assembly can be pressed on the actuator body by rotating the outer threaded pressing block; the outer cover is provided with a threaded hole, a conical head fastening screw pin is arranged in the threaded hole in a matching manner, and the conical head fastening screw pin radially abuts against the external thread of the external thread pressing block;
And a window is arranged on the outer cover, the adjusting ring radially extends to form a shifting fork, and the shifting fork extends out of the window.
2. An angular displacement sensor mounting structure as defined in claim 1, wherein: the cover plate is fixed on the external thread pressing block through the screw, the pressing block is pressed at the rear part of the conical head fastening bolt, and the conical head fastening bolt is prevented from being separated from the threaded hole.
3. An angular displacement sensor mounting structure as defined in claim 1, wherein: the external thread pressing block is provided with a knob or a hexagonal rotary joint for rotating the external thread pressing block.
4. An angular displacement sensor mounting structure as defined in claim 1, wherein: the outer cover is fixed on the actuator body through bolts.
5. the zero adjustment method for the angular displacement sensor mounting structure according to any one of claims 1 to 4, wherein the angular displacement position sensor assembly is mounted to a mounting port of the actuator body, the housing is fixed to the actuator body such that the shift fork extends out of a window of the housing, the shift fork is shifted such that the angular displacement position sensor is located at a zero position, the displacement position sensor assembly is pressed against the mounting port by rotating the external thread press block, the conical head fastening screw pin is rotated such that the conical head fastening screw pin abuts against the external thread of the external thread press block and is screwed, and the external thread press block is fixed, thereby pressing the angular displacement position sensor assembly against the actuator body.
6. A null adjustment method as set forth in claim 5, wherein: the conical head fastening screw pin is pressed in the threaded hole through the screw and the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962723.3A CN107643068B (en) | 2017-10-17 | 2017-10-17 | Angular displacement sensor mounting structure and zero adjustment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962723.3A CN107643068B (en) | 2017-10-17 | 2017-10-17 | Angular displacement sensor mounting structure and zero adjustment method thereof |
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| Publication Number | Publication Date |
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| CN107643068A CN107643068A (en) | 2018-01-30 |
| CN107643068B true CN107643068B (en) | 2019-12-10 |
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| CN201710962723.3A Active CN107643068B (en) | 2017-10-17 | 2017-10-17 | Angular displacement sensor mounting structure and zero adjustment method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211165B (en) * | 2018-08-02 | 2021-03-26 | 中国航空工业集团公司西安飞行自动控制研究所 | Built-in locking structure of actuator cylinder displacement sensor |
| CN109443394B (en) * | 2018-10-22 | 2021-09-24 | 中国船舶重工集团公司第七0七研究所 | Static monitor repeated platform sensor zero adjustment method |
| CN109442186B (en) * | 2018-12-14 | 2020-12-25 | 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 flexible constraint structure of linear displacement sensor |
| CN112648481B (en) * | 2020-12-11 | 2022-08-30 | 兰州飞行控制有限责任公司 | Zero adjustment device and method for angular displacement sensor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6911819B1 (en) * | 2000-08-04 | 2005-06-28 | Kavlico Corporation | Rotary to linear LVDT system |
| CN203615945U (en) * | 2013-10-17 | 2014-05-28 | 上海新跃仪表厂 | Solid shaft rotary encoder zero position device |
| CN203615946U (en) * | 2013-12-10 | 2014-05-28 | 中国航空工业第六一八研究所 | Disassembly-free type sensor zero-setting structure |
| CN104390618A (en) * | 2014-12-05 | 2015-03-04 | 西安航空动力控制科技有限公司 | Linear displacement sensor convenient for adjusting zero position |
| CN205981092U (en) * | 2016-08-12 | 2017-02-22 | 江门市英合创展电子有限公司 | Rotation type angle sensor |
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| CN107643068A (en) | 2018-01-30 |
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