CN113819827A - Length measuring device for adjustable pull rod of airplane control system - Google Patents
Length measuring device for adjustable pull rod of airplane control system Download PDFInfo
- Publication number
- CN113819827A CN113819827A CN202111259083.2A CN202111259083A CN113819827A CN 113819827 A CN113819827 A CN 113819827A CN 202111259083 A CN202111259083 A CN 202111259083A CN 113819827 A CN113819827 A CN 113819827A
- Authority
- CN
- China
- Prior art keywords
- bolt
- pull rod
- support
- base
- sliding
- 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
Links
- 238000005259 measurement Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a length measuring device for an adjustable pull rod of an aircraft control system, which comprises: the device comprises a T-shaped slide rail (2), a fixed support (4), a slide support (5), a first bolt (6) and a second bolt (7); a fixed support (4) is fixedly arranged at one end of the T-shaped slide rail (2), and the sliding support (5) is arranged on the T-shaped slide rail (2) in a sliding manner; the first bolt (6) and the second bolt (7) respectively penetrate through two joint bearings at two ends of the pull rod and are respectively fixedly connected with the fixed support (4) and the sliding support (5) through threads; the bolt head of each bolt is attached to the convex shoulder of the joint bearing; the distance between the fixed support (4) and the sliding support (5) is the length of the pull rod. The length of the pull rod can be efficiently measured, and an accurate numerical value is provided for system installation of the airplane.
Description
Technical Field
The invention belongs to the technical field of airplane assembly, and relates to a length measuring device for an adjustable pull rod of an airplane control system.
Background
The airplane has a hard control system comprising pull rod, rocker, support and other rigid components, and features low rotation speed and load transferred via the pull rod and rocker.
When the adjustable pull rod of the airplane installation control system is installed, the length is measured by inserting bolts with the same diameter into fixed point mounting holes at two ends of the pull rod, the bolts are positioned at vertical positions, and the distance between the central points of the two bolts is measured by using a steel plate ruler or a tape measure to be compared, as shown in figure 1, L is the theoretical length of the pull rod, the adjustable pull rod is placed on a platform, the operation is complex, and the long pull rod needs to be matched by at least two persons.
In the pull rod measurement process, the same diameter bolt is inserted into the bolt mounting holes of the knuckle bearings at the two ends, the bolt is located at the vertical position, the vertical position of the bolt cannot be determined, the final measurement result can be influenced, meanwhile, when the central axis of the bolt and the central line of the bearing are subjected to angular deflection, and when the angle of the bolt and the angle of the shoulder of the knuckle bearing are adjusted, the problem that the elastic sealing check ring drops can often occur in the knuckle bearing.
And for the joint bearing mounting hole capable of swinging by 360 degrees, the bolt is not easy to place vertically, a larger working platform is needed, the measurement error is large, the error of the length of the control line system is larger due to the error of the length measurement of a plurality of pull rods, and the adjustment workload is greatly increased.
After the whole control system is adjusted, the length of the adjusted pull rod lacks of a corresponding measuring device and a corresponding measuring method, and the adjusted length of the pull rod is measured and cannot be compared with an adjustment range allowed by design.
Disclosure of Invention
The invention provides an adjustable pull rod length measuring device of an aircraft control system, which solves the problem of large error in the conventional pull rod length measurement.
The invention provides a length measuring device for an adjustable pull rod of an aircraft control system, which comprises: the device comprises a T-shaped slide rail 2, a fixed support 4, a sliding support 5, a first bolt 6 and a second bolt 7;
a fixed support 4 is fixedly arranged at one end of the T-shaped slide rail 2, and a sliding support 5 is arranged on the T-shaped slide rail 2 in a sliding manner;
the first bolt 6 and the second bolt 7 respectively penetrate through two joint bearings at two ends of the pull rod and are respectively fixedly connected with the fixed support 4 and the sliding support 5 through threads;
the bolt head of each bolt is attached to the convex shoulder of the joint bearing;
the distance between the fixed support 4 and the sliding support 5 is the length of the pull rod.
Optionally, the length measuring device for the adjustable pull rod of the aircraft control system further includes: a base 1;
the T-shaped slide rail 2 is fixedly arranged on the base 1.
Optionally, the length measuring device for the adjustable pull rod of the aircraft control system further includes: a limit stop 3;
and the other end of the T-shaped sliding rail 2 is fixedly provided with a limit stop 3 for limiting the sliding support 5.
Optionally, the length measuring device for the adjustable pull rod of the aircraft control system further includes: a first level gauge 9 and a second level gauge 10;
the horizontal measuring instrument 9 is attached to the base 1 and horizontally arranged, and the second horizontal measuring instrument 10 is attached to the base 1 and vertically arranged.
Optionally, the length measuring device for the adjustable pull rod of the aircraft control system further includes: a scale 11;
and the base 1, the fixed support 4 and the sliding support 5 are all provided with a graduated scale 11.
Optionally, the length measuring device for the adjustable pull rod of the aircraft control system further includes: a limit pin 8;
the limit pin 8 penetrates through the sliding support 5 and is in contact with the base 1.
Optionally, the outer diameters of the bolt shafts of the first bolt 6 and the second bolt 7 are in small clearance fit with the inner diameter of the inner ring of the joint bearing.
Optionally, the length of the bolt rod of the first bolt 6 and the second bolt 7 is greater than the thickness of the joint bearing.
The invention provides an adjustable pull rod length measuring device for an aircraft control system, which can measure the length of a pull rod efficiently, provide an accurate numerical value for system installation of an aircraft, and compare the accurate numerical value with an adjustment range allowed by design. Meanwhile, the recorded data can be counted, classified and summarized, the risk of operation by experience is reduced, accurate and feasible operation data are provided for subsequent class operation, and the period of multiple on-site adjustment and disassembly is shortened.
Drawings
FIG. 1 is a schematic view of a prior art manner of measuring the length of a drawbar;
FIG. 2 is a first schematic structural diagram of the pull rod length measuring device according to the present invention;
FIG. 3 is a schematic structural diagram of a second pull rod length measuring device according to the present invention;
FIG. 4 is a schematic structural view of a bolt of the tension rod length measuring device of the present invention;
description of reference numerals:
1-a base; 2-a T-shaped slide rail; 3-limit stop block;
4, fixing a support; 5, a sliding support; 6-first bolt;
7-second bolt; 8, a limit nail; 9 — a first level gauge;
10-a second level gauge; 11-graduated scale.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1-4 and the detailed description of the invention:
as shown in fig. 1 to 3, the length measuring device of the adjustable tie rod of the aircraft maneuvering system provided by the invention comprises: the measuring device comprises a base 1, a T-shaped sliding rail 2, a limit stop 3, a fixed support 4, a sliding support 5, a first bolt 6, a second bolt 7, a limit nail 8, a first horizontal measuring instrument 9, a second horizontal measuring instrument 10 and a graduated scale 11.
Adjustable pull rod length measurement device is controld to aircraft, including scale 11 that has the scale, correspond base 1, T shape slide rail 2, limit stop 3, fixing support 4, sliding support 5 that set up on scale 11, correspond the level assembly who sets up 1 on the base, set up the reducing axle at fixing support 4, sliding support 5 to and set up first bolt 6, second bolt 7 on fixing support 4, sliding support 5.
Furthermore, a required graduated scale 11 is arranged on the base 1, the lower end of the base 1 is a long-strip groove-shaped cross section, a T-shaped slide rail 2 is arranged on the upper surface of the base 1, and a first horizontal measuring instrument 9 and a second horizontal measuring instrument 10 are arranged on the other side surface of the base.
Further, a T-shaped sliding rail 2 is fixed on the base 1. The T-shaped sliding rail 2 has the same length as the base 1.
Further, a fixed support 4 and a sliding support 5 are fixed on the T-shaped slide rail 2, and the fixed support 4 is fixedly installed at one end of the T-shaped slide rail 2, a positioning axis on the fixed support 4 and a zero position of the graduated scale 11 are coincident. The sliding support 5 is in sliding fit with the T-shaped sliding rail 2.
Furthermore, the sliding support 5 is provided with a limit pin 8 which is installed on the sliding support 5 in a screwing mode.
Further, data corresponding to the positioning axis of the shoe 5 and the scale 11 are read.
The base 1, the first level gauge 9 and the second level gauge 10 together form a base.
The T-shaped slide rail 2 is fixed on the base 1, and forms a measuring device together with the limit stop 3, the fixed support 4 and the sliding support 5 for measuring the length of the pull rod.
The fixed support 4 and the sliding support 5 are provided with scribed lines, as shown in fig. 1, so that when the pull rod measurement is finished, the specific length of the pull rod can be read, or the pull rod can be adjusted in place according to the theoretical size of the pull rod in the digital-analog;
illustratively, as shown in fig. 4, the first bolt 6 and the second bolt 7 are responsible for fixing the pull rod on the base and aligning the knuckle bearing on the pull rod.
The limiting nail 8 is convenient for limiting the position of the sliding support 5 when the pull rod measurement is finished.
The first level gauge 9 and the second level gauge 10 are level gauges, and provide a suitable measuring environment for the adjustment of the pull rod.
The scale 11 provides data for the final measurement.
Illustratively, the use of the measuring device provided by the invention comprises:
step one, mounting a first bolt 6 and a second bolt 7 of the device in bearing through holes at two end sections of an adjustable pull rod of an aircraft control system
And step two, the first bolt 6 and the second bolt 7 penetrate through the through hole of the end of the pull rod, the first bolt 6 and the second bolt 7 are fixed in the threaded holes on the fixed support 4 and the sliding support 5, and two ends of the pull rod are in contact with the fixed support 4 and the sliding support 5 of the device.
And step three, fixing the sliding support 5 by using a limit nail 8, and reading the scale data of the graduated scale 11.
The pull rod length measuring device provided by the invention solves the problem that the axis of the bearing inner ring is not perpendicular to the surface of the bracket when the pull rod is installed; the problem that the theoretical length of the pull rod cannot be accurately determined before the pull rod is installed is solved; the problem of after the pull rod adjustment, whether the adjustment range is in the design allowed range can not be confirmed is solved. The product performance of the process equipment is improved, the manpower and material resources are saved, the product quality and the production efficiency are improved, and the production period is shortened.
Claims (8)
1. An adjustable pull rod length measuring device of an aircraft control system is characterized by comprising: the device comprises a T-shaped slide rail (2), a fixed support (4), a slide support (5), a first bolt (6) and a second bolt (7);
a fixed support (4) is fixedly arranged at one end of the T-shaped slide rail (2), and the sliding support (5) is arranged on the T-shaped slide rail (2) in a sliding manner;
the first bolt (6) and the second bolt (7) respectively penetrate through two joint bearings at two ends of the pull rod and are respectively fixedly connected with the fixed support (4) and the sliding support (5) through threads;
the bolt head of each bolt is attached to the convex shoulder of the joint bearing;
the distance between the fixed support (4) and the sliding support (5) is the length of the pull rod.
2. The measurement device of claim 1, further comprising: a base (1);
the T-shaped sliding rail (2) is fixedly arranged on the base (1).
3. The measurement device of claim 1, further comprising: a limit stop (3);
and the other end of the T-shaped sliding rail (2) is fixedly provided with a limit stop (3) for limiting the sliding support (5).
4. The measurement device of claim 2, further comprising: a first level gauge (9) and a second level gauge (10);
the horizontal measuring instrument (9) is attached to the base (1) and horizontally arranged, and the second horizontal measuring instrument (10) is attached to the base (1) and vertically arranged.
5. The measurement device of claim 2, further comprising: a scale (11);
and the base (1), the fixed support (4) and the sliding support (5) are all provided with graduated scales (11).
6. The measurement device of claim 2, further comprising: a limit pin (8);
the limiting nail (8) penetrates through the sliding support (5) and is in contact with the base (1).
7. A measuring device according to claim 1, characterized in that the outer diameter of the shank of the first bolt (6) and the second bolt (7) is in a small clearance fit with the inner diameter of the inner ring of the joint bearing.
8. The measuring device according to claim 1, characterized in that the length of the bolt rod of the first bolt (6) and the second bolt (7) is greater than the thickness of the knuckle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259083.2A CN113819827A (en) | 2021-10-28 | 2021-10-28 | Length measuring device for adjustable pull rod of airplane control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259083.2A CN113819827A (en) | 2021-10-28 | 2021-10-28 | Length measuring device for adjustable pull rod of airplane control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113819827A true CN113819827A (en) | 2021-12-21 |
Family
ID=78917464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111259083.2A Pending CN113819827A (en) | 2021-10-28 | 2021-10-28 | Length measuring device for adjustable pull rod of airplane control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113819827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877780A (en) * | 2022-06-01 | 2022-08-09 | 沈阳飞机工业（集团）有限公司 | Precise measurement test bed for airplane special-shaped control lever and use method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202630862U (en) * | 2012-06-13 | 2012-12-26 | 重庆市城口县供电有限责任公司 | Portable measurement instrument for measuring height of conducting wire |
| CN107328596A (en) * | 2017-08-04 | 2017-11-07 | 中国航空工业集团公司西安飞机设计研究所 | A kind of manual measurement device for aircraft primary control circuit |
| CN110044233A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | Contactless arm parts free travel checks measuring instrument and its application method |
| CN210374906U (en) * | 2019-10-09 | 2020-04-21 | 厦门华厦学院 | Fixed length measuring device for product design |
| CN212779005U (en) * | 2020-08-29 | 2021-03-23 | 国营芜湖机械厂 | Special length measurement ware of aircraft control system pull rod |
-
2021
- 2021-10-28 CN CN202111259083.2A patent/CN113819827A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202630862U (en) * | 2012-06-13 | 2012-12-26 | 重庆市城口县供电有限责任公司 | Portable measurement instrument for measuring height of conducting wire |
| CN107328596A (en) * | 2017-08-04 | 2017-11-07 | 中国航空工业集团公司西安飞机设计研究所 | A kind of manual measurement device for aircraft primary control circuit |
| CN110044233A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | Contactless arm parts free travel checks measuring instrument and its application method |
| CN210374906U (en) * | 2019-10-09 | 2020-04-21 | 厦门华厦学院 | Fixed length measuring device for product design |
| CN212779005U (en) * | 2020-08-29 | 2021-03-23 | 国营芜湖机械厂 | Special length measurement ware of aircraft control system pull rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877780A (en) * | 2022-06-01 | 2022-08-09 | 沈阳飞机工业（集团）有限公司 | Precise measurement test bed for airplane special-shaped control lever and use method |
| CN114877780B (en) * | 2022-06-01 | 2024-03-08 | 沈阳飞机工业（集团）有限公司 | Accurate measurement test bed for aircraft special-shaped control rod and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104019728B (en) | A kind of connecting rod big aperture depth of parallelism and the comprehensive check tool of centre-to-centre spacing | |
| CN103090765A (en) | Wind-electricity bearing-seat size and geometric-tolerance detection tool and installation detection method thereof | |
| CN203811115U (en) | Measurement tool for shafting alignment | |
| CN205426517U (en) | Lathe main shaft comprehensive properties detection / monitoring testing system | |
| CN104457668B (en) | Portable axletree shaft-diameter measuring instrument | |
| CN104977148A (en) | Detecting device and detecting method for rotation center of angle-of-attack mechanism of wind tunnel test section | |
| CN101793497B (en) | Method for measuring boring bar cantilever value by laser calibration apparatus | |
| CN204758255U (en) | Detection apparatus for test chamber angle of attack rotation center of mechanism | |
| CN113819827A (en) | Length measuring device for adjustable pull rod of airplane control system | |
| CN204594625U (en) | A kind of high precision mass property force transfering device | |
| CN206208177U (en) | A kind of fixture of subsidiary raceway profile | |
| CN106644329B (en) | 120MN bridge support testing machine for high-precision dynamic measurement | |
| CN201436575U (en) | Multi-dimensional force sensor based suspension characteristic testbed | |
| CN109187013A (en) | Propulsion Systems condition detection method based on strain measurement Yu Moment Influence coefficient | |
| CN212779005U (en) | Special length measurement ware of aircraft control system pull rod | |
| CN216977765U (en) | Power plant steam turbine shafting centering device | |
| CN112525508B (en) | Quasi-static radial rigidity testing device and method for circular metal rubber damper | |
| CN206740105U (en) | A kind of double spherical end surface taper roller length detection instruments | |
| CN203418369U (en) | Sensor position adjusting device for rotation error detection of main shaft | |
| CN210005137U (en) | Device for measuring stress of rolling pin in lead screw nut by stress ring method | |
| CN114993162A (en) | Device and method for measuring circumferential strain and axial stress of grouting material | |
| CN201476776U (en) | Instrument for measuring single-sided convex value of bearing | |
| CN208476108U (en) | A kind of zero clearance mechanical detection hole location device | |
| CN107702634B (en) | Deformation measuring instrument | |
| CN108759653B (en) | Wind generating set load strain monitoring device based on eddy current sensor |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211221 |