CN112834331A - Outfield tension and compression load calibration test method - Google Patents
Outfield tension and compression load calibration test method Download PDFInfo
- Publication number
- CN112834331A CN112834331A CN202011576529.XA CN202011576529A CN112834331A CN 112834331 A CN112834331 A CN 112834331A CN 202011576529 A CN202011576529 A CN 202011576529A CN 112834331 A CN112834331 A CN 112834331A
- Authority
- CN
- China
- Prior art keywords
- joint
- tension
- platform
- load
- cross beam
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention relates to the technical field of airplane structure load measurement and strength test, in particular to an outfield tension and compression load calibration test method. The method is characterized in that a manual device is used for loading, the manual load loading device comprises a platform base and a platform cross beam which are connected through a rotating shaft, one end of the load loading device is connected with a double-lug connector B fixed on the platform base, the other end of the load loading device is provided with a tension and compression sensor III and is connected with a double-lug connector C fixed on the platform cross beam, one side of a test piece is connected with a connector A, the other side of the test piece is connected with a connector I and a connector II through a pin shaft III, and a tension and compression sensor base hinged with the tension and compression sensor I and the tension. The large load loading test can be carried out by small-tonnage hydraulic/electric actuating cylinders or manual loading through load amplification, and the test load is accurately controlled.
Description
Technical Field
The invention relates to the technical field of airplane structure load measurement and strength test, in particular to an outfield tension and compression load calibration test method.
Background
Aircraft structures have many components, and there are many structures that are only subjected to the same axial tension and compression loads, such as aircraft control sticks, active control surface control rams, and the like. Outfield tests need to be performed on these components. However, the field test has the characteristics of unfixed site and incomplete infrastructure, and large equipment is heavy, inconvenient to move and has high requirements on infrastructure conditions.
Moreover, the portable loading devices currently used are limited by load limitations, and particularly in the manual loading mode, it is difficult to perform a large load test.
Disclosure of Invention
In view of the above, the present invention is to provide a calibration test method for outfield tension and compression loads, which overcomes the shortcomings of the prior art, and solves the problem that it is difficult to perform a large load test on an aircraft component in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
an external field tension and compression load calibration test method comprises the following steps:
a tension and compression sensor assembly fixed on a platform beam is fixedly connected with one end of a test piece, and the other end of the test piece is fixed on a platform base by a joint A;
a fixing nut is arranged between the joint A and the platform base and is used for adjusting the height of the test piece;
arranging the tension and compression sensor opposite to the joint A, and ensuring that a connecting line of the tension and compression sensor and the joint A is parallel to a Y axis;
the platform beam is rotatably connected with the platform base through a rotating shaft, so that the platform beam can rotate around the rotating shaft in an XY plane;
a double-lug joint C is arranged at one end, far away from the rotating shaft, of the platform cross beam, a double-lug joint B is arranged on the platform base, one end of a load applying device is connected with the double-lug joint C, the other end of the load applying device is connected with the double-lug joint B, and a tension and compression sensor III is installed on the load applying device;
a platform beam slide rail is arranged on the platform beam along the extension direction of the platform beam, and the double-lug joint C can move on the platform beam slide rail; a tension and compression sensor I is further arranged on the platform beam; the platform base includes: the bottom longitudinal beams are arranged at one end of the bottom cross beam in a crossed mode and comprise a first bottom longitudinal beam and a second bottom longitudinal beam, an upright column is arranged on the bottom cross beam, and one end of the upright column is vertically fixed to the bottom cross beam; a double-lug joint B is arranged on a bottom cross beam of the platform base, and a load loading device is arranged between the other end of the tension and compression sensor III and the double-lug joint B;
the upright post is provided with a reinforcing rib, one end of the reinforcing rib is fixedly connected with one end of the upright post, and the other end of the reinforcing rib is fixedly connected with the first bottom longitudinal beam; the other end of the upright post is provided with the rotating shaft; a joint A is arranged on the bottom cross beam; the bottom cross beam is also provided with a linear displacement sensor and a bottom cross beam slide rail, the bottom cross beam slide rail is arranged along the extending direction of the bottom cross beam, one end of the linear displacement sensor is arranged on the cross beam slide rail, the other end of the linear displacement sensor is arranged on the bottom cross beam slide rail, and the linear displacement sensor can translate in the X-axis direction; the bottom cross beam slide rail is a T-shaped groove, and the platform cross beam slide rail is a T-shaped groove; the bottom of the double-head connecting lug B and the bottom of the double-head connecting lug C are provided with T-shaped rails matched with the T-shaped grooves.
Wherein, adopt manual loading device as the load loading device, manual loading device includes: the device comprises a single lug joint F provided with a joint bearing, wherein a double lug joint C is connected with the single lug joint F through a pin shaft, the single lug joint F is connected with one end of a tension and compression sensor III, the other end of the tension and compression sensor III is connected with one end of a cylindrical joint, the other end of the cylindrical joint is connected with one end of a rectangular threaded screw rod, the other end of the rectangular threaded screw rod is sleeved in a fixed steel pipe and is connected with the fixed joint through a positioning key, and the positioning key is arranged in the fixed joint; one end of the fixed steel pipe is connected with the fixed joint, the other end of the fixed steel pipe is fixed on the double-lug joint B through a single-lug joint D, and the single-lug joint D is provided with a joint bearing; a rotary joint is nested in the fixed joint and is connected with the rectangular threaded lead screw through threads; the rotary joint is also connected with a loading joint, and the loading joint is connected with a loading handle through threads; and a thrust bearing I and a thrust bearing II are arranged between the rotating joint and the fixed joint.
Preferably, the load loading device is arranged on one side of the platform base, and the double-lug joint B is connected with the double-lug joint C; connecting one side of the test piece with a joint A, and connecting the other side of the test piece with a joint I and a joint II through a pin shaft III; draw and press I both sides of sensor to install the monaural and connect I, draw and press II both sides of sensor to install the monaural and connect II, the monaural connects I and the monaural connects II to articulate with drawing and pressing the sensor base respectively, connects I and connects II articulations, draws and presses I and draws II installation angles of sensor to obtain through mounted position, calculates through making a concerted effort and obtains the load that the test piece receives, as shown in formula (1):
wherein F0-the load to which the test piece is subjected;
FⅠreading by a tension and compression sensor I;
FⅡreading by a tension and compression sensor II;
and the included angle of the installation axes of the alpha-tension and compression sensor I and the tension and compression sensor II is formed.
The load loading device is adjusted before the test to enable the linear displacement sensor to be adjusted to a preset value, the T-shaped sliding rail I of the bottom cross beam and the T-shaped sliding rail II of the platform cross beam are kept parallel, the relative position relation among the mounting position of a test piece, the mounting position of the load applying device and the test device is known, a coordinate system is established, the magnitude of the load borne by the test piece is calculated in real time through the numerical value change of the displacement sensor and the tension and compression sensor III during the test, and the resultant force of the tension and compression sensor I and the tension and compression sensor II is corrected;
the coordinate system is specified in a parallel state of a T-shaped slide rail I of the bottom cross beam and a T-shaped slide rail II of the platform cross beam, the original point is the axis of the rotating shaft, the X axis is positive along the direction of the platform cross beam, and the Y axis points to the positive of the platform base;
F0-the load to which the test piece is subjected;
FⅢ-tension and compression sensor iii readings;
(x1,y1) Before testing, coordinates of an intersection point of the test piece and the pin shaft III;
(x2,y2) Before the test, the coordinates of the intersection point of the linear displacement sensor and the platform beam;
(x3,y3) Before the test, the coordinates of the intersection point of the load applying device and the double-lug joint C are measured;
(x1,y4) Before testing, coordinates of an intersection point of the test piece and the joint A;
(x2,y5) Before the test, the coordinates of the intersection point of the linear displacement sensor and the platform base are obtained;
(x3,y6) Before the test, the coordinates of the intersection point of the load applying device and the double-lug joint B are measured;
r-linear displacement sensor reading.
The invention has the beneficial effects that: in the external field tension and compression load calibration test method provided by the embodiment of the invention, a movable external field tension and compression load calibration test device is adopted, and a platform base is provided with a joint A, a double-lug joint B, a movable trundle, a fixed foot, a T-shaped slide rail I and a linear displacement sensor; the platform beam is provided with a double-lug joint C, T type slide rail II and a tension and compression sensor base; the platform base is connected with the platform beam through a rotating shaft; the single lug connector I and the single lug connector II are respectively connected with a tension-compression sensor base through a pin shaft I and a pin shaft II; one side of the tension and compression sensor I and one side of the tension and compression sensor II are respectively connected with the single lug connector I and the single lug connector II, and the other side of the tension and compression sensor I and the other side of the tension and compression sensor II are respectively connected with the connector I and the connector II; the joint I is connected with the joint II through a pin shaft III; test piece one side is connected with joint A, and the opposite side is connected with joint II through round pin axle III and joint I, and joint A, joint I, joint II and the III forms of round pin axle can be replaced according to test piece connection form, wherein install fixation nut under the joint A, through the adjustable test piece mounting height of rotatory fixation nut. Before the test, the telescopic length of the piston rod is adjusted to enable the linear displacement sensor to be adjusted to a preset value, and the T-shaped slide rail I and the T-shaped slide rail II are guaranteed to be parallel; draw and press sensor I and draw and press sensor II effect: the real stress size of the test piece is displayed through resultant force, and the influence of other factors is eliminated; and (3) a tension and compression sensor III: the load display device is used for displaying the load applied by the load applying device and can be used for calibrating the load borne by the test piece; the linear position sensor acts as follows: the device is used for displaying the distance change of the platform base and the platform beam at a measuring point, and adjusting the relative position of the platform base and the platform beam according to a preset numerical value of a linear position sensor before a test; the device can accurately control the loading load, and can ensure the size and the direction of the load application; and realize the large load test of the hydraulic/electric actuating cylinder of the manual loading form or small-tonnage; the influence on the safety and the precision of the test due to the faults of the tension and compression sensors can be prevented; the device has the truckle and removes conveniently, does not receive the restriction of place foundation condition.
Drawings
Fig. 1 is a schematic view of an external field tensile-compressive load calibration test device adopted by the external field tensile-compressive load calibration test method provided by the embodiment of the invention;
fig. 2 is a schematic flow chart of an external field tension-compression load calibration test method provided by an embodiment of the invention.
FIG. 3 is a schematic diagram of coordinate systems and coordinate points according to formulas 2-11.
Wherein, 1-a platform base, 2-a rotating shaft, 3-a platform beam, 4-a fixed nut, 5-a joint A, 6-a double-lug joint C, 7-a tension and compression sensor III, 8-a double-lug joint B, 9-a movable caster, 10-a fixed foot margin, 11-T type slide rail I, 12-a linear displacement sensor, 13-T type slide rail II and 14-a tension and compression sensor I, 15-tension and compression sensor II, 16-single lug connector I, 17-single lug connector II, 20-connector I, 21-connector II, 22-pin shaft III, 23-tension and compression sensor base, 25-single lug connector F, 26-cylindrical connector, 27-rectangular threaded screw rod, 28-fixed steel pipe, 29-single lug connector D and 30-loading handle.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The external field tension and compression load calibration test method provided by the embodiment of the invention adopts a movable external field tension and compression load calibration test device, and comprises the following steps: the device comprises a platform base 1, a rotating shaft 2 and a platform beam 3; the platform base 1 is provided with a joint A5, a double-lug joint B8, a movable caster 9, a fixed foot 10, a T-shaped sliding rail I11 and a linear displacement sensor 12; the platform beam 3 is provided with a double-lug joint C6, a T-shaped sliding rail II 13 and a tension and compression sensor base 23; the platform base 1 is connected with the platform beam 3 through a rotating shaft 2.
Referring to fig. 1, a single lug connector I16 and a single lug connector II 17 are respectively connected with a tension-compression sensor base 23 through a pin shaft I and a pin shaft II; one side of the tension and compression sensor I14 and one side of the tension and compression sensor II 15 are respectively connected with the single-lug connector I16 and the single-lug connector II 17, and the other side of the tension and compression sensor I14 and the other side of the tension and compression sensor II 15 are respectively connected with the connector I20 and the connector II 21; the joint I20 and the joint II 21 are connected through a pin shaft III 22.
Test piece one side is connected with joint A5, and the opposite side is connected with joint II 21 through round pin axle III and joint I20, and joint A5, joint I20, joint II 21 and the III form of round pin axle can be replaced according to test piece connection form, wherein install fixation nut 4 under the joint A5, through the adjustable test piece mounting height of rotatory fixation nut 4.
Before the test, the telescopic length of the piston rod is adjusted to enable the linear displacement sensor 12 to be adjusted to a preset value, and the T-shaped slide rail I11 and the T-shaped slide rail II 13 are guaranteed to be parallel.
The tension and compression sensor I14 and the tension and compression sensor II 15 have the functions that: the real stress size of the test piece is displayed through resultant force, and the influence of other factors is eliminated.
Tension and compression sensor iii 7: the load display device is used for displaying the load applied by the load applying device and can be used for calibrating the load borne by the test piece.
The linear position sensor 12 functions: the device is used for displaying the distance change of the platform base 1 and the platform beam 3 at a measuring point, and adjusting the relative position of the platform base 1 and the platform beam 3 according to the preset numerical value of the linear position sensor 12 before the test.
Referring to fig. 2, the load applying device is a manual loading device, and includes a single-lug joint D29 provided with a joint bearing, a fixed steel pipe 28 connected with the single-lug joint D29, a fixed joint connected with the other end of the fixed steel pipe 28, a rotary joint embedded in the fixed joint and having a rectangular thread, a rectangular thread lead screw 27 matched with the rotary joint, a positioning key installed in the fixed joint and positioning the rectangular thread lead screw 27, a loading joint connected with the rotary joint, a thrust bearing i and a thrust bearing ii installed between the rotary joint and the fixed joint, and a loading handle 30 connected with the loading joint through threads.
The manual loading device is connected with a double-lug joint B8 arranged on the platform base 1 through a single-lug joint D29; the rectangular threaded screw 27 is connected with a cylindrical joint 26 provided with a tension-compression sensor III 7; the other end of the tension and compression sensor III 7 is connected with a single-lug joint F25 provided with a joint bearing; the single lug joint F25 is connected with a double lug joint C6 arranged on the platform beam 3; the telescopic length of the rectangular threaded screw rod is adjusted before the test, so that the linear displacement sensor 12 is adjusted to a preset value, and the T-shaped slide rail I11 of the bottom cross beam and the T-shaped slide rail II 13 of the platform cross beam are kept parallel.
In the embodiment, the upper surface of the platform base 1 is provided with a bottom cross beam T-shaped sliding rail I11, and the lower surface of the platform cross beam 2 is provided with a platform cross beam T-shaped sliding rail II 13; in order to prevent deformation caused by overlong length, the T-shaped slide rail I11 of the bottom cross beam and the T-shaped slide rail II 13 of the platform cross beam are designed in a sectional mode; threaded holes are formed in the two sides of the bottom cross beam T-shaped sliding rail I11 and the two sides of the platform cross beam T-shaped sliding rail II 13 at equal intervals, and the mounting positions of the load applying devices are adjusted as required.
The outfield tension and compression load calibration test device and the outfield tension and compression load calibration test method provided by the embodiment of the invention adopt a manual device for loading. The load loading device is arranged on one side of the platform, and the double-lug joint B8 is connected with the double-lug joint C6; one side of the test piece is connected with a joint A5, and the other side of the test piece is connected with a joint I20 and a joint II 21 through a pin shaft III 22; the single-lug connector I16 and the connector I20 are installed on two sides of the tension and compression sensor I14, the single-lug connector II 17 and the connector II 21 are installed on two sides of the tension and compression sensor II 15, the single-lug connector I16 and the single-lug connector II 17 are respectively hinged with a tension and compression sensor base 23, the connector I20 is hinged with the connector II 21, the installation angles of the tension and compression sensor I14 and the tension and compression sensor II 15 can be obtained through installation positions, the load borne by a test piece can be obtained through resultant force calculation, and the formula (1) is shown.
Wherein F0Load to the test piece
FⅠTension and compression sensor I14 reading
FⅡTension-compression sensor II 15 reading
Included angle between installation axes of alpha-tension-compression sensor I14 and tension-compression sensor II 15
Before a test, the telescopic length of a piston rod/trapezoidal thread lead screw of a load loading device is adjusted to enable a linear displacement sensor 12 to be adjusted to a preset value, the T-shaped slide rail I11 and a T-shaped slide rail II 13 are guaranteed to be parallel, the relative position relation between the installation position of a test piece, the installation position of a load applying device and the test device is known, a coordinate system can be established, the size of a load borne by the test piece can be calculated in real time through the numerical value change of the displacement sensor 12 and a tension and compression sensor III 7 during the test, the resultant force of the tension and compression sensor I14 and the tension and compression sensor II 15 is corrected, and the influence on the safety and precision of the test due to the fault.
Wherein, the coordinate system is stipulated under I11 and II 13 parallel state of T type slide rail, and the initial point is 2 axle centers of axis of rotation, and the X axle is positive along 3 directions of platform crossbeam, and the Y axle is according to right-hand criterion, and directional platform base 1 is positive.
F0Load to the test piece
FⅢTension-compression sensor III 14 readings
(x1,y1) Before test, the intersection point of the test piece and the pin shaft III 22 is locatedSign board
(x2,y2) Before test, the coordinates of the intersection point of the linear displacement sensor 12 and the platform beam 3
(x3,y3) Coordinates of intersection points of the load applying device with the binaural joint C6 before the test
(x1,y4) Coordinates of the point of intersection of the test piece with the joint A5 before testing
(x2,y5) Before test, the coordinates of the intersection point of the linear displacement sensor 12 and the platform base 1
(x3,y6) Coordinates of intersection points of the load applying device with the binaural joint B8 before the test
r-linear displacement sensor 12 readings
The above examples are intended only to illustrate the technical solution of the present invention and not to limit it, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (4)
1. An outfield tension and compression load calibration test method is characterized by comprising the following steps:
a tension and compression sensor assembly fixed on a platform beam is fixedly connected with one end of a test piece, and the other end of the test piece is fixed on a platform base by a joint A;
a fixing nut is arranged between the joint A and the platform base and is used for adjusting the height of the test piece;
arranging the tension and compression sensor opposite to the joint A, and ensuring that a connecting line of the tension and compression sensor and the joint A is parallel to a Y axis;
the platform beam is rotatably connected with the platform base through a rotating shaft, so that the platform beam can rotate around the rotating shaft in an XY plane;
a double-lug joint C is arranged at one end, far away from the rotating shaft, of the platform cross beam, a double-lug joint B is arranged on the platform base, one end of a load applying device is connected with the double-lug joint C, the other end of the load applying device is connected with the double-lug joint B, and a tension and compression sensor III is installed on the load applying device;
a platform beam slide rail is arranged on the platform beam along the extension direction of the platform beam, and the double-lug joint C can move on the platform beam slide rail; a tension and compression sensor I is further arranged on the platform beam; the platform base includes: the bottom longitudinal beams are arranged at one end of the bottom cross beam in a crossed mode and comprise a first bottom longitudinal beam and a second bottom longitudinal beam, an upright column is arranged on the bottom cross beam, and one end of the upright column is vertically fixed to the bottom cross beam; a double-lug joint B is arranged on a bottom cross beam of the platform base, and a load loading device is arranged between the other end of the tension and compression sensor III and the double-lug joint B;
the upright post is provided with a reinforcing rib, one end of the reinforcing rib is fixedly connected with one end of the upright post, and the other end of the reinforcing rib is fixedly connected with the first bottom longitudinal beam; the other end of the upright post is provided with the rotating shaft; a joint A is arranged on the bottom cross beam; the bottom cross beam is also provided with a linear displacement sensor and a bottom cross beam slide rail, the bottom cross beam slide rail is arranged along the extending direction of the bottom cross beam, one end of the linear displacement sensor is arranged on the cross beam slide rail, the other end of the linear displacement sensor is arranged on the bottom cross beam slide rail, and the linear displacement sensor can translate in the X-axis direction; the bottom cross beam slide rail is a T-shaped groove, and the platform cross beam slide rail is a T-shaped groove; the bottom of the double-head connecting lug B and the bottom of the double-head connecting lug C are provided with T-shaped rails matched with the T-shaped grooves.
2. The outfield tension and compression load calibration test method according to claim 1, wherein a manual loading device is adopted as the load loading device, and the manual loading device comprises: the device comprises a single lug joint F provided with a joint bearing, wherein a double lug joint C is connected with the single lug joint F through a pin shaft, the single lug joint F is connected with one end of a tension and compression sensor III, the other end of the tension and compression sensor III is connected with one end of a cylindrical joint, the other end of the cylindrical joint is connected with one end of a rectangular threaded screw rod, the other end of the rectangular threaded screw rod is sleeved in a fixed steel pipe and is connected with the fixed joint through a positioning key, and the positioning key is arranged in the fixed joint; one end of the fixed steel pipe is connected with the fixed joint, the other end of the fixed steel pipe is fixed on the double-lug joint B through a single-lug joint D, and the single-lug joint D is provided with a joint bearing; a rotary joint is nested in the fixed joint and is connected with the rectangular threaded lead screw through threads; the rotary joint is also connected with a loading joint, and the loading joint is connected with a loading handle through threads; and a thrust bearing I and a thrust bearing II are arranged between the rotating joint and the fixed joint.
3. The outfield tension and compression load calibration test method according to claim 2, wherein the load loading device is arranged on one side of the platform base, and a double-lug joint B is connected with a double-lug joint C; connecting one side of the test piece with a joint A, and connecting the other side of the test piece with a joint I and a joint II through a pin shaft III; draw and press I both sides of sensor to install the monaural and connect I, draw and press II both sides of sensor to install the monaural and connect II, the monaural connects I and the monaural connects II to articulate with drawing and pressing the sensor base respectively, connects I and connects II articulations, draws and presses I and draws II installation angles of sensor to obtain through mounted position, calculates through making a concerted effort and obtains the load that the test piece receives, as shown in formula (1):
wherein F0-the load to which the test piece is subjected;
FⅠreading by a tension and compression sensor I;
FⅡreading by a tension and compression sensor II;
and the included angle of the installation axes of the alpha-tension and compression sensor I and the tension and compression sensor II is formed.
4. The outfield tension and compression load calibration test method according to claim 3, characterized in that the load loading device is adjusted before the test to adjust the linear displacement sensor to a preset value, so that the T-shaped slide rail I of the bottom cross beam and the T-shaped slide rail II of the platform cross beam are kept parallel, the relative position relations among the test piece mounting position, the load applying device mounting position and the test device are known, a coordinate system is established, the magnitude of the load borne by the test piece is calculated in real time through the numerical change of the displacement sensor and the tension and compression sensor III during the test, and the resultant force of the tension and compression sensor I and the tension and compression sensor II is calibrated;
the coordinate system is specified in a parallel state of a T-shaped slide rail I of the bottom cross beam and a T-shaped slide rail II of the platform cross beam, the original point is the axis of the rotating shaft, the X axis is positive along the direction of the platform cross beam, and the Y points to the positive of the platform base;
F0-the load to which the test piece is subjected;
FⅢ-tension and compression sensor iii readings;
(x1,y1) Before testing, coordinates of an intersection point of the test piece and the pin shaft III;
(x2,y2) Before the test, the coordinates of the intersection point of the linear displacement sensor and the platform beam;
(x3,y3) Before the test, the coordinates of the intersection point of the load applying device and the double-lug joint C are measured;
(x1,y4) Before testing, coordinates of an intersection point of the test piece and the joint A;
(x2,y5) Before the test, the coordinates of the intersection point of the linear displacement sensor and the platform base are obtained;
(x3,y6) Before the test, the coordinates of the intersection point of the load applying device and the double-lug joint B are measured;
r-linear displacement sensor reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011576529.XA CN112834331B (en) | 2020-12-28 | 2020-12-28 | Outfield tension and compression load calibration test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011576529.XA CN112834331B (en) | 2020-12-28 | 2020-12-28 | Outfield tension and compression load calibration test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112834331A true CN112834331A (en) | 2021-05-25 |
| CN112834331B CN112834331B (en) | 2022-07-29 |
Family
ID=75925057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011576529.XA Active CN112834331B (en) | 2020-12-28 | 2020-12-28 | Outfield tension and compression load calibration test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112834331B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173264A (en) * | 2021-05-28 | 2021-07-27 | 中国飞机强度研究所 | Actuator cylinder connecting joint |
| CN113218650A (en) * | 2021-06-04 | 2021-08-06 | 中国飞机强度研究所 | Landing gear strength test vertical load loading device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160214740A1 (en) * | 2015-01-23 | 2016-07-28 | Mitsubishi Aircraft Corporation | Load application device, load measuring device, and aircraft load application method |
| CN107264835A (en) * | 2017-07-13 | 2017-10-20 | 江西洪都航空工业集团有限责任公司 | A kind of gear test load charger |
| CN109506915A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of tail-rotor steering assembly fatigue experimental device |
| CN109506860A (en) * | 2017-09-11 | 2019-03-22 | 株洲时代新材料科技股份有限公司 | Rotational articulated device load test device |
| CN110282153A (en) * | 2019-05-27 | 2019-09-27 | 中国飞机强度研究所 | A kind of ear fork-box section structure test of static strength device |
| CN111169653A (en) * | 2019-12-11 | 2020-05-19 | 中国飞机强度研究所 | Hinge point force testing device of nose landing gear and load calibration method |
| CN111572813A (en) * | 2020-05-26 | 2020-08-25 | 中国飞机强度研究所 | Airplane upward loading device |
-
2020
- 2020-12-28 CN CN202011576529.XA patent/CN112834331B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160214740A1 (en) * | 2015-01-23 | 2016-07-28 | Mitsubishi Aircraft Corporation | Load application device, load measuring device, and aircraft load application method |
| CN107264835A (en) * | 2017-07-13 | 2017-10-20 | 江西洪都航空工业集团有限责任公司 | A kind of gear test load charger |
| CN109506860A (en) * | 2017-09-11 | 2019-03-22 | 株洲时代新材料科技股份有限公司 | Rotational articulated device load test device |
| CN109506915A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of tail-rotor steering assembly fatigue experimental device |
| CN110282153A (en) * | 2019-05-27 | 2019-09-27 | 中国飞机强度研究所 | A kind of ear fork-box section structure test of static strength device |
| CN111169653A (en) * | 2019-12-11 | 2020-05-19 | 中国飞机强度研究所 | Hinge point force testing device of nose landing gear and load calibration method |
| CN111572813A (en) * | 2020-05-26 | 2020-08-25 | 中国飞机强度研究所 | Airplane upward loading device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173264A (en) * | 2021-05-28 | 2021-07-27 | 中国飞机强度研究所 | Actuator cylinder connecting joint |
| CN113173264B (en) * | 2021-05-28 | 2023-12-19 | 中国飞机强度研究所 | Actuator cylinder connecting joint |
| CN113218650A (en) * | 2021-06-04 | 2021-08-06 | 中国飞机强度研究所 | Landing gear strength test vertical load loading device |
| CN113218650B (en) * | 2021-06-04 | 2023-12-22 | 中国飞机强度研究所 | Vertical load loading device for landing gear strength test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112834331B (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112834331B (en) | Outfield tension and compression load calibration test method | |
| EP2447696B1 (en) | Wind tunnel balance calibrator | |
| US9404823B1 (en) | Load transducer and force measurement assembly using the same | |
| CN108760150B (en) | Large-scale force value symmetrical loading force and moment decoupling calibration device | |
| CN104897479A (en) | Comprehensive detection system for mechanical properties of composite post insulator | |
| CN103499454B (en) | Electric cylinder performance testing device | |
| CN101473192B (en) | Measuring apparatus | |
| CN107850426B (en) | Coordinate positioning machine | |
| CN106153314B (en) | A kind of load of plane framework node and the shear-deformable measuring device in node area | |
| CN107167386B (en) | Vertical load loading device and loading method for structural member | |
| CN109084982B (en) | High-thrust rocket engine three-dimensional force measuring device and measuring method | |
| EP3359481B1 (en) | Supporting device for supporting a mobile device | |
| CN113335560B (en) | Complex load box section or barrel section test device and method | |
| CN109506919A (en) | A kind of aircraft takeoffs and landings rack loading device and loading method | |
| JP6155115B2 (en) | Force test equipment | |
| CN106441753B (en) | The pure torsion test loading device of long beam and its test method | |
| CN105890947A (en) | Device and method for preparation of soil body for site soil body direct shear test and direct shear test | |
| CN112874809B (en) | Movable external field tension and compression load calibration test device and method | |
| CN114088553B (en) | Large-tonnage inhaul cable test device | |
| CN109765114A (en) | A kind of RPC cover board experiment detection device and method | |
| US20110174085A1 (en) | Load measurement apparatus acting on pipe support | |
| CN204479281U (en) | A kind of six-degree-of-freedom parallel connection mechanism loading system | |
| CN101149300A (en) | Piezoelectric six-dimensional large force sensor | |
| Ramalingam et al. | Computational framework for mimicking prototype failure testing of transmission line towers | |
| CN114476147B (en) | Spacecraft cabin multi-point hoisting static test loading device and method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |