CN111452995B - Travel measuring equipment for aircraft course control mechanism and using method - Google Patents
Travel measuring equipment for aircraft course control mechanism and using method Download PDFInfo
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- 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
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- B64F5/60—Testing or inspecting aircraft components or systems
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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
- 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
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Abstract
一种飞机航向操纵机构行程测量设备及使用方法，属于机械技术测量领域。包括底座装夹夹具、双向偏转装置、测量尺盘、精密轴承、水平测量装置、尺盘托架、指针调节机构、轴承、连接销轴和调节装置。所述转向接头、连接螺栓和连杆共同构成双向偏转装置，用于连接底座装夹夹具与测量尺盘。所述尺盘托架为精密轴承、水平测量装置、指针调节机构及连接销轴提供安装托架。当调节装置中的万向夹具固定在支臂上后，通过调节尺支臂关节、支臂关节和万向连接头的角度使尺盘托架保持水平，以确保测量数据的准确性。本发明机械结构新颖，灵活程度高，操作简捷，提供工作效率且能够保证测量数据的准确性。
A travel measuring device for an aircraft heading control mechanism and a method of using the device belong to the field of mechanical technical measurement. It includes a base clamping fixture, a two-way deflection device, a measuring ruler, a precision bearing, a horizontal measuring device, a ruler bracket, a pointer adjustment mechanism, a bearing, a connecting pin and an adjusting device. The steering joint, the connecting bolt and the connecting rod together constitute a two-way deflection device for connecting the base clamping fixture and the measuring ruler. The ruler bracket provides a mounting bracket for the precision bearing, the horizontal measuring device, the pointer adjustment mechanism and the connecting pin. When the universal clamp in the adjusting device is fixed on the support arm, the ruler bracket is kept horizontal by adjusting the angles of the ruler support arm joint, the support arm joint and the universal connector to ensure the accuracy of the measurement data. The mechanical structure of the present invention is novel, flexible, and easy to operate. It improves work efficiency and can ensure the accuracy of the measurement data.
Description
技术领域Technical Field
本发明属于机械技术测量领域，涉及的是在飞机航向操纵系统偏转机构的行程测量过程中，用于在狭小、很难确定测量基准的座舱内实现偏转机构在运动轨迹上行程量的精准测量，在降低测量难度的基础上，可以严格保证测量数据的准确性以及工作的高效性。The present invention belongs to the field of mechanical technology measurement, and relates to a method for realizing accurate measurement of the stroke of a deflection mechanism on a motion trajectory in a small cockpit where it is difficult to determine a measurement reference during the stroke measurement of a deflection mechanism of an aircraft heading control system. The method can reduce the measurement difficulty and strictly guarantee the accuracy of the measurement data and the efficiency of the work.
背景技术Background Art
在飞机操纵系统调试过程中，需要对操纵系统各个方向输入机构的偏转角度和行程进行精准的调试和测量，但由于飞机座舱内空间特别狭小，当安装完各个系统的电缆、导管、成品后，可操作的空间就变得更加有限，这无疑给航向偏转机构的行程测量增加了很大难度。目前常规的做法是用钢板尺一端接触在航向偏转机构的测量点上，另一端用手把持，并在侧面操纵台上找到与钢板尺对应的零位基准点，与此同时在钢板尺上记下对应的数值X1,然后用脚踩动踏板，使偏转机构和钢板尺一起随动偏转直到偏转机构与极限顶丝相碰为止，此时记下零位基准点在钢板尺上的数值X2,那么，操纵系统该方向的偏转机构的行程X=X2-X1；如果X的数值符合规定值，则调试测量工作结束，相反需要重新调整对应方向的限位顶丝，然后重新进行测量，直到X的数值符合规定范围值后，并再进行三次以上测量数据的验证，以消除人为误差。但目前存在以下几方面问题：（1）在操纵调试过程中，当偏转机构的初始行程数值超出规定范围后，需要后续进行多次调整和测量工作，但每次测量钢板尺的顶端很难精准的触碰在操纵偏转机构上的同一点，因此测量点的人为选择误差就有可能造成每次测量数据的不一致性。（2）在人为踩动偏转机构踏板的同时，需要人为手持钢板尺一起随动，这样一来，受操作空间狭小的限制，一旦操作者手持的钢板尺没能和操纵系统偏转机构一起随动，那么就会使钢板尺脱离开偏转机构的测量点，导致测量工作失败，需要重新测量，无形当中增加了工作量和操作难度。（3）由于操纵系统偏转机构运动过程中都需要克服来自阻尼系统的很大的阻力，因此操作者在测量过程中，当读取X2数值时，不仅要用脚紧紧地踩住偏转机构，而且同侧的手还要把持钢板尺对准测量点和基准点，这时就需要其他员工辅助读取数值。During the debugging process of the aircraft control system, the deflection angle and stroke of the input mechanism of each direction of the control system need to be accurately debugged and measured. However, since the space in the aircraft cabin is particularly small, after the cables, conduits and finished products of each system are installed, the operable space becomes more limited, which undoubtedly increases the difficulty of measuring the stroke of the heading deflection mechanism. At present, the conventional practice is to touch the measuring point of the heading deflection mechanism with one end of a steel ruler, hold the other end with the hand, and find the zero reference point corresponding to the steel ruler on the side console. At the same time, write down the corresponding value X1 on the steel ruler, and then step on the pedal with the foot to make the deflection mechanism and the steel ruler deflect together until the deflection mechanism collides with the limit top screw. At this time, write down the value X2 of the zero reference point on the steel ruler, then, the stroke X of the deflection mechanism in this direction of the control system is X2-X1; if the value of X meets the specified value, the debugging and measurement work is completed. Otherwise, it is necessary to readjust the limit top screw in the corresponding direction, and then re-measure until the value of X meets the specified range, and then verify the measurement data more than three times to eliminate human errors. However, there are several problems: (1) During the operation and debugging process, when the initial stroke value of the deflection mechanism exceeds the specified range, it is necessary to perform multiple adjustments and measurements. However, it is difficult for the top of the steel ruler to accurately touch the same point on the operating deflection mechanism each time. Therefore, the error in the human selection of the measurement point may cause inconsistency in the measurement data each time. (2) When the operator steps on the deflection mechanism pedal, the operator needs to hold the steel ruler and move it together. In this way, due to the small operating space, once the steel ruler held by the operator fails to move with the operating system deflection mechanism, the steel ruler will be separated from the measurement point of the deflection mechanism, resulting in measurement failure and the need for re-measurement, which invisibly increases the workload and operation difficulty. (3) Since the operating system deflection mechanism needs to overcome the great resistance from the damping system during the movement process, when the operator reads the X2 value during the measurement process, he not only needs to step on the deflection mechanism tightly with his foot, but also hold the steel ruler with the hand on the same side to align it with the measurement point and the reference point. At this time, other employees are needed to assist in reading the value.
鉴于以上种种原因，发明了该飞机航向操纵偏转机构行程测量仪，该测量仪机械结构精密，操作过程简捷，只需装夹一次就可以由单人完成偏转机构行程的测量工作，工作效率高，测量数据准确。In view of the above reasons, the aircraft heading control deflection mechanism stroke measuring instrument was invented. The measuring instrument has a precise mechanical structure and a simple operation process. It can be clamped once and the deflection mechanism stroke measurement work can be completed by a single person. The work efficiency is high and the measurement data is accurate.
发明内容Summary of the invention
本发明专利的目的就是采用柔性调节支臂装置和低阻力滑尺测量机构共同构成飞机航向操纵偏转机构行程测量仪，该测量仪从操作流程、测量点选取、基准点的读数等角度入手，以精密的机械结构设计，大大解决了以往人为因素和测量设备本身缺陷所造成的测量数据准确率低，操作过程难度大等问题。The purpose of the patent of this invention is to use a flexible adjustment arm device and a low-resistance slide measuring mechanism to jointly form an aircraft heading control deflection mechanism stroke measuring instrument. Starting from the operation process, measurement point selection, reference point reading and other angles, the measuring instrument uses a precise mechanical structure design to greatly solve the problems of low measurement data accuracy and difficult operation process caused by human factors and defects of the measuring equipment itself.
本发明采用的技术方案为：The technical solution adopted by the present invention is:
一种飞机航向操纵机构行程测量设备，包括底座装夹夹具1、转向接头2、连接螺栓3、连杆4、测量尺盘5、精密轴承6、水平测量装置7、尺盘托架8、指针调节机构9、轴承10、连接销轴16和调节装置，其中，调节装置包括万向夹具11、第一支臂关节12、关节锁紧装置13、第二支臂关节14、万向连接头15。A stroke measuring device for an aircraft heading control mechanism comprises a base clamping fixture 1, a steering joint 2, a connecting bolt 3, a connecting rod 4, a measuring ruler 5, a precision bearing 6, a level measuring device 7, a ruler bracket 8, a pointer adjustment mechanism 9, a bearing 10, a connecting pin 16 and an adjusting device, wherein the adjusting device comprises a universal clamp 11, a first arm joint 12, a joint locking device 13, a second arm joint 14, and a universal connector 15.
所述的底座装夹夹具1用来将整个测量仪的测量尺盘一端固定在偏转机构的踏板支臂上，进而保证偏转机构踏板上每次测量点的一致性，消除测量点所引起的误差。The base clamping fixture 1 is used to fix one end of the measuring scale plate of the entire measuring instrument on the pedal support arm of the deflection mechanism, thereby ensuring the consistency of each measuring point on the deflection mechanism pedal and eliminating the error caused by the measuring point.
所述的转向接头2、连接螺栓3和连杆4共同构成双向偏转装置，用来将底座装夹夹具1与测量尺盘5连接起来，并在在水平方向和纵向实现柔性偏转，从而提高测量数据的准确性。所述的测量尺盘5用于为整个测量装置提供一个时时的尺寸刻度盘。所述的轴承10用来保证转向接头2在底座装夹夹具1上的柔性偏转，减小转动摩擦机械损耗所造成尺寸误差和转动阻力。所述转向接头2一端与轴承10连接，另一端通过连接螺栓3与连杆4连接，连杆4与测量尺盘5连接。The steering joint 2, the connecting bolt 3 and the connecting rod 4 together constitute a bidirectional deflection device, which is used to connect the base clamping fixture 1 with the measuring scale plate 5, and realize flexible deflection in the horizontal direction and the longitudinal direction, so as to improve the accuracy of the measurement data. The measuring scale plate 5 is used to provide a real-time dimension dial for the entire measuring device. The bearing 10 is used to ensure the flexible deflection of the steering joint 2 on the base clamping fixture 1, and reduce the dimensional error and rotation resistance caused by the mechanical loss of rotational friction. One end of the steering joint 2 is connected to the bearing 10, and the other end is connected to the connecting rod 4 through the connecting bolt 3, and the connecting rod 4 is connected to the measuring scale plate 5.
所述的尺盘托架8为精密轴承6、水平测量装置7、指针调节机构9以及连接销轴16提供一个精密安装托架，尺盘托架8设于测量尺盘5上，且能够通过精密轴承6在测量尺盘5上移动。所述的精密轴承6由于精密轴承转动的阻力特别小，因此它可以减小它与测量尺盘5滑动时的阻力以及不必要的机械磨损所造成的测量数据的不准确性。The scale plate bracket 8 provides a precision mounting bracket for the precision bearing 6, the level measuring device 7, the pointer adjustment mechanism 9 and the connecting pin 16. The scale plate bracket 8 is arranged on the measuring scale plate 5 and can move on the measuring scale plate 5 through the precision bearing 6. The precision bearing 6 has a particularly small resistance to rotation, so it can reduce the resistance when it slides with the measuring scale plate 5 and the inaccuracy of the measurement data caused by unnecessary mechanical wear.
所述的水平测量装置7设于尺盘托架8上方，位于测量尺盘5刻度上部，用来指示尺盘托架8在纵向是否调节水平。The level measuring device 7 is arranged above the ruler disc bracket 8, located at the upper part of the scale of the measuring ruler disc 5, and is used to indicate whether the ruler disc bracket 8 is adjusted horizontally in the longitudinal direction.
所述的指针调节机构9主要是用来调整偏转机构在没受外力的情况下，指针在测量尺盘5初始整数基准点，方便后期的数据读取和计算。The pointer adjustment mechanism 9 is mainly used to adjust the deflection mechanism so that the pointer is at the initial integer reference point of the measuring scale plate 5 when there is no external force, so as to facilitate the subsequent data reading and calculation.
所述的连接销轴16设于尺盘托架8底部，位于测量尺盘5刻度下部。The connecting pin 16 is arranged at the bottom of the ruler disc bracket 8 and is located below the scale of the measuring ruler disc 5 .
所述的万向夹具11、第一支臂关节12、关节锁紧装置13、第二支臂关节14和万向连接头15共同构成万向调节机构，所述连接销轴16用于将尺盘托架8和万向连接头15连接起来。所述万向夹具11、第一支臂关节12连接、第二支臂关节14、万向连接头15依次连接，第一支臂关节12连接、第二支臂关节14连接点设有关节锁紧装置13。当万向夹具11固定在飞机座舱内的支臂上后，通过调节尺第一支臂关节12、第二支臂关节14和万向连接头15的角度使尺盘托架8保持水平，以确保测量数据的准确性。The universal clamp 11, the first arm joint 12, the joint locking device 13, the second arm joint 14 and the universal connector 15 together constitute a universal adjustment mechanism, and the connecting pin 16 is used to connect the ruler disc bracket 8 and the universal connector 15. The universal clamp 11, the first arm joint 12, the second arm joint 14, and the universal connector 15 are connected in sequence, and the joint locking device 13 is provided at the connection point of the first arm joint 12 and the second arm joint 14. When the universal clamp 11 is fixed to the arm in the aircraft cabin, the ruler disc bracket 8 is kept horizontal by adjusting the angles of the first arm joint 12, the second arm joint 14 and the universal connector 15 to ensure the accuracy of the measurement data.
一种飞机航向操纵机构行程测量设备的使用方法，包括以下步骤：A method for using a device for measuring the travel of an aircraft heading control mechanism comprises the following steps:
（1）调节底座装夹夹具1的锁紧装置，使其松开，然后调整好底座装夹夹具1在飞机航向操纵系统偏转机构的测量点附近支臂上的位置，并将锁紧装置锁紧；(1) Adjust the locking device of the base clamping fixture 1 to loosen it, then adjust the position of the base clamping fixture 1 on the arm near the measuring point of the aircraft heading control system deflection mechanism, and lock the locking device;
（2）拧松万向夹具11的锁紧手柄，将其安装在飞机座舱内规定的支臂上，然后将拧紧万向夹具11的锁紧手柄，使其固定；(2) Loosen the locking handle of the universal clamp 11, install it on the specified support arm in the aircraft cockpit, and then tighten the locking handle of the universal clamp 11 to fix it;
（3）拧松万向连接头15的锁紧螺钉，使连接销轴16插入到万向连接头15的销孔中，然后拧紧锁紧螺钉；(3) Loosen the locking screw of the universal joint 15, insert the connecting pin 16 into the pin hole of the universal joint 15, and then tighten the locking screw;
（4）拧松关节锁紧装置13，然后调节第一支臂关节12、第二支臂关节14和万向连接头15相互之间的角度，通过观察水平测量装置7，使测量尺盘5处于水平状态，最后拧紧关节锁紧装置13；(4) Loosen the joint locking device 13, then adjust the angles between the first arm joint 12, the second arm joint 14 and the universal joint 15, make the measuring ruler 5 in a horizontal state by observing the horizontal measuring device 7, and finally tighten the joint locking device 13;
（5）调节指针调节机构9的指针，使其在测量尺盘5上处于整数位置，以确定初始零位基准点X1，之后锁紧；(5) Adjust the pointer of the pointer adjustment mechanism 9 so that it is at an integer position on the measuring scale plate 5 to determine the initial zero reference point X1, and then lock it;
（6）用脚踩踏偏机构踏板，使其达到极限位置，此时记下指针调节机构9的指针在测量尺盘5的数值X2，然后使偏机构踏板慢慢回到中立位置；(6) Use your foot to step on the deflection mechanism pedal to make it reach the limit position. At this time, record the value X2 of the pointer of the pointer adjustment mechanism 9 on the measuring scale plate 5, and then slowly return the deflection mechanism pedal to the neutral position;
（7）计算偏转机构行程量X=X2-X1，若X的数值在规定的范围内，则测量工作结束，相反，则需要调整偏转机构该方向上的行程顶丝，再次测量，直到行程X的数值符合要求为止；(7) Calculate the deflection mechanism stroke X = X2-X1. If the value of X is within the specified range, the measurement is completed. Otherwise, it is necessary to adjust the stroke screw in the direction of the deflection mechanism and measure again until the value of the stroke X meets the requirements.
（8）当测量工作结束后，分别拧松底座装夹夹具1、万向夹具11和万向连接头15的缩紧装置，将其测量设备拆下，即测量工作结束。(8) When the measurement work is completed, loosen the tightening devices of the base clamping fixture 1, the universal clamp 11 and the universal connector 15 respectively, and remove the measuring equipment, and the measurement work is completed.
本发明的有益效果为：The beneficial effects of the present invention are:
（1）本发明专利机械结构新颖，灵活程度高，操作简捷，可以在座舱狭小的空间内单人完成飞机操纵系统偏转机构行程量的测量工作，和以前相比，工作效率得到了3倍以上的提高，并且可以严格保证测量数据的准确性。(1) The patented mechanical structure of the present invention is novel, highly flexible, and easy to operate. It allows a single person to complete the measurement of the travel of the deflection mechanism of the aircraft control system in the narrow space of the cockpit. Compared with the past, the work efficiency has been improved by more than 3 times, and the accuracy of the measurement data can be strictly guaranteed.
（2）由于该发明专利在偏转机构上的测量点采用底座装夹夹具1进行固定，并和转向接头2构成了双向偏转装置，因此不仅可以有效避免偏转机构在运动过程中基准点串动的现象，而且对于同一偏转机构，无论测量几次，都可以保证测量点的一致性以及测量仪的稳定性。(2) Since the measuring point on the deflection mechanism of the invention patent is fixed by the base clamping fixture 1 and forms a bidirectional deflection device with the steering joint 2, it can not only effectively avoid the phenomenon of the reference point moving in the movement of the deflection mechanism, but also for the same deflection mechanism, no matter how many times it is measured, the consistency of the measuring point and the stability of the measuring instrument can be guaranteed.
（3）该发明专利采用的尺盘托架8是柔性球形调节关节，因此可以在任意角度内将尺盘托架8调平，并在测量过程中无需人为扶持测量仪，和以前测量工装相比，不仅降低了操作难度，拓宽了调整范围，确保了测量工作的高效性。(3) The ruler bracket 8 used in this invention patent is a flexible spherical adjustment joint, so the ruler bracket 8 can be leveled at any angle, and there is no need for manual support of the measuring instrument during the measurement process. Compared with previous measuring tools, it not only reduces the difficulty of operation and widens the adjustment range, but also ensures the efficiency of the measurement work.
（4）由于该发明专利设置了指针调节机构9，因此它可以在偏转机构初始状态下，任意调节指针初始位置做为初始零位基准点，这样不仅方便了数据的读取和后期的计算，最重要的是保证了测量数据的精准性。(4) Since the invention patent is provided with a pointer adjustment mechanism 9, it can arbitrarily adjust the initial position of the pointer as the initial zero reference point in the initial state of the deflection mechanism. This not only facilitates data reading and subsequent calculations, but most importantly ensures the accuracy of the measurement data.
（5）该发明专利的另一个亮点就是它采用两个精密轴承6做为测量尺盘5和尺盘托架8的滑动接触装置，降低了测量仪的滑动阻力和自身的机械磨损，保证了测量仪本身的精度。与此同时，该测量仪中的测量尺盘5可以根据测量范围、区域、结构的不同选择不同行程尺盘，以此来适应各种测量环境和测量需求。(5) Another highlight of the invention patent is that it uses two precision bearings 6 as the sliding contact device between the measuring scale plate 5 and the scale plate bracket 8, which reduces the sliding resistance and mechanical wear of the measuring instrument and ensures the accuracy of the measuring instrument itself. At the same time, the measuring scale plate 5 in the measuring instrument can select different travel scale plates according to the different measuring ranges, regions, and structures, so as to adapt to various measuring environments and measurement requirements.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明的结构示意图；Fig. 1 is a schematic diagram of the structure of the present invention;
图2为底座装夹夹具的俯视图；FIG2 is a top view of the base clamping fixture;
图3为调节装置结构示意图。FIG3 is a schematic diagram of the structure of the regulating device.
图中：1底座装夹夹具、2转向接头、3连接螺栓、4连杆、5测量尺盘、6精密轴承、7水平测量装置、8尺盘托架、9指针调节机构、10轴承、11万向夹具、12第一支臂关节、13关节锁紧装置、14第二支臂关节、15万向连接头、16连接销轴。In the figure: 1 base clamping fixture, 2 steering joint, 3 connecting bolt, 4 connecting rod, 5 measuring scale plate, 6 precision bearing, 7 level measuring device, 8 scale plate bracket, 9 pointer adjustment mechanism, 10 bearing, 11 universal clamp, 12 first arm joint, 13 joint locking device, 14 second arm joint, 15 universal connector, 16 connecting pin.
具体实施方式DETAILED DESCRIPTION
以下结合具体实施例对本发明做进一步说明。The present invention is further described below in conjunction with specific embodiments.
一种飞机航向操纵机构行程测量设备，本发明的工装主要由底座装夹夹具1、转向接头2、连接螺栓3、连杆4、测量尺盘5、精密轴承6、水平测量装置7、尺盘托架8、指针调节机构9、轴承10、万向夹具11、第一支臂关节12、关节锁紧装置13、第二支臂关节14、万向连接头15、连接销轴16组成，具体结构如图1、图2、图3所示。A device for measuring the stroke of an aircraft heading control mechanism. The tooling of the present invention mainly consists of a base clamping fixture 1, a steering joint 2, a connecting bolt 3, a connecting rod 4, a measuring ruler 5, a precision bearing 6, a level measuring device 7, a ruler bracket 8, a pointer adjustment mechanism 9, a bearing 10, a universal fixture 11, a first arm joint 12, a joint locking device 13, a second arm joint 14, a universal connector 15, and a connecting pin 16. The specific structure is shown in Figures 1, 2, and 3.
其中底座装夹夹具1主要是用来将整个测量仪的测量尺盘一端固定在偏转机构的踏板支臂上，进而保证偏转机构踏板上每次测量点的一致性，消除测量点所引起的误差；转向接头2、连接螺栓3和连杆4共同构成双向偏转装置，其目的主要用来将底座装夹夹具1与测量尺盘5连接起来，并在在水平方向和纵向实现柔性偏转，从而提高测量数据的准确性；测量尺盘5主要是为整个测量装置提供一个时时的尺寸刻度盘；精密轴承6由于精密轴承转动的阻力特别小，因此它可以减小它与测量尺盘5滑动时的阻力以及不必要的机械磨损所造成的测量数据的不准确性；水平测量装置7主要是用来指示尺盘托架8在纵向是否调节水平；指针调节机构9主要是用来调整偏转机构在没受外力的情况下，指针在测量尺盘5初始整数基准点，以方便后期的数据读取和计算；尺盘托架8为精密轴承6、水平测量装置7、指针调节机构9以及连接销轴16提供一个精密安装托架；轴承10主要是用来保证转向接头2在底座装夹夹具1上的柔性偏转，减小转动摩擦机械损耗，所造成尺寸误差和转动阻力；万向夹具11、第一支臂关节12、关节锁紧装置13、第二支臂关节14和万向连接头15共同构成万向调节机构，主要是当万向夹具11固定在飞机座舱内的支臂上后，通过调节尺第一支臂关节12、第二支臂关节14和万向连接头15的角度使尺盘托架8保持水平，以确保测量数据的准确性；连接销轴16用于将尺盘托架8和万向连接头15连接起来。The base clamping fixture 1 is mainly used to fix one end of the measuring scale plate of the entire measuring instrument on the pedal support arm of the deflection mechanism, thereby ensuring the consistency of each measuring point on the deflection mechanism pedal and eliminating the error caused by the measuring point; the steering joint 2, the connecting bolt 3 and the connecting rod 4 together constitute a two-way deflection device, the purpose of which is mainly to connect the base clamping fixture 1 with the measuring scale plate 5 and realize flexible deflection in the horizontal and longitudinal directions, thereby improving the accuracy of the measurement data; the measuring scale plate 5 mainly provides a real-time size dial for the entire measuring device; the precision bearing 6 has a particularly small resistance to rotation, so it can reduce the resistance when it slides with the measuring scale plate 5 and the inaccuracy of the measurement data caused by unnecessary mechanical wear; the horizontal measuring device 7 is mainly used to indicate whether the scale plate bracket 8 is adjusted to be horizontal in the longitudinal direction; the pointer adjustment mechanism 9 is mainly used to adjust the deflection mechanism when there is no When subjected to external force, the pointer is at the initial integer reference point of the measuring scale plate 5 to facilitate subsequent data reading and calculation; the scale plate bracket 8 provides a precision mounting bracket for the precision bearing 6, the level measuring device 7, the pointer adjustment mechanism 9 and the connecting pin 16; the bearing 10 is mainly used to ensure the flexible deflection of the steering joint 2 on the base clamping fixture 1, reduce the mechanical loss of rotational friction, and cause dimensional errors and rotational resistance; the universal clamp 11, the first arm joint 12, the joint locking device 13, the second arm joint 14 and the universal connector 15 together constitute a universal adjustment mechanism, which is mainly when the universal clamp 11 is fixed on the arm in the aircraft cabin, by adjusting the angles of the first arm joint 12, the second arm joint 14 and the universal connector 15 to keep the scale plate bracket 8 horizontal to ensure the accuracy of the measurement data; the connecting pin 16 is used to connect the scale plate bracket 8 and the universal connector 15.
一种飞机航向操纵机构行程测量设备的使用方法，包括以下步骤：A method for using a device for measuring the travel of an aircraft heading control mechanism comprises the following steps:
（1）调节底座装夹夹具1的锁紧装置，使其松开，然后调整好底座装夹夹具1在飞机航向操纵系统偏转机构的测量点附近支臂上的位置，并将锁紧装置锁紧；(1) Adjust the locking device of the base clamping fixture 1 to loosen it, then adjust the position of the base clamping fixture 1 on the arm near the measuring point of the aircraft heading control system deflection mechanism, and lock the locking device;
（2）拧松万向夹具11的锁紧手柄，将其安装在飞机座舱内规定的支臂上，然后将拧紧万向夹具11的锁紧手柄，使其固定；(2) Loosen the locking handle of the universal clamp 11, install it on the specified support arm in the aircraft cockpit, and then tighten the locking handle of the universal clamp 11 to fix it;
（3）拧松万向连接头15的锁紧螺钉，使连接销轴16插入到万向连接头15的销孔中，然后拧紧锁紧螺钉；(3) Loosen the locking screw of the universal joint 15, insert the connecting pin 16 into the pin hole of the universal joint 15, and then tighten the locking screw;
（4）拧松关节锁紧装置13，然后调节第一支臂关节12、第二支臂关节14和万向连接头15相互之间的角度，通过观察水平测量装置7，使测量尺盘5处于水平状态，最后拧紧关节锁紧装置13；(4) Loosen the joint locking device 13, then adjust the angles between the first arm joint 12, the second arm joint 14 and the universal joint 15, make the measuring ruler 5 in a horizontal state by observing the horizontal measuring device 7, and finally tighten the joint locking device 13;
（5）调节指针调节机构9的指针，使其在测量尺盘5上处于整数位置，以确定初始零位基准点X1，之后锁紧；(5) Adjust the pointer of the pointer adjustment mechanism 9 so that it is at an integer position on the measuring scale plate 5 to determine the initial zero reference point X1, and then lock it;
（6）用脚踩踏偏机构踏板，使其达到极限位置，此时记下指针调节机构9的指针在测量尺盘5的数值X2，然后使偏机构踏板慢慢回到中立位置；(6) Use your foot to step on the deflection mechanism pedal to make it reach the limit position. At this time, record the value X2 of the pointer of the pointer adjustment mechanism 9 on the measuring scale plate 5, and then slowly return the deflection mechanism pedal to the neutral position;
（7）计算偏转机构行程量X=X2-X1，若X的数值在规定的范围内，则测量工作结束，相反，则需要调整偏转机构该方向上的行程顶丝，再次测量，直到行程X的数值符合要求为止；(7) Calculate the deflection mechanism stroke X = X2-X1. If the value of X is within the specified range, the measurement is completed. Otherwise, it is necessary to adjust the stroke screw in the direction of the deflection mechanism and measure again until the value of the stroke X meets the requirements.
（8）当测量工作结束后，分别拧松底座装夹夹具1、万向夹具11和万向连接头15的缩紧装置，将其测量设备拆下，即测量工作结束。(8) When the measurement work is completed, loosen the tightening devices of the base clamping fixture 1, the universal clamp 11 and the universal connector 15 respectively, and remove the measuring equipment, and the measurement work is completed.
以上所述实施例仅表达本发明的实施方式，但并不能因此而理解为对本发明专利的范围的限制，应当指出，对于本领域的技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些均属于本发明的保护范围。The above-described embodiments merely express the implementation methods of the present invention, but they cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.
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