阅读说明：本技术 一种台阶差测量工具及使用方法 (A kind of step difference measuring tool and application method ) 是由 樊虎 李欢庆 许文军 杨靖雯 于 2019-08-02 设计创作，主要内容包括：一种台阶差测量工具及使用方法,含有测量本体和测量滑块,在本体的一侧有凸台,对应凸台的另一侧是基准面,本体的上侧设有刻度标,测量滑块镶嵌在本体中心的滑槽上,测量滑块的内侧端与一个弹簧体连接,弹簧体的另一端与一个调节螺栓连接,在滑块上连接有一个与本体刻度标对应的测量针,测量时,通过本体上的调节螺栓调整测量滑块的位置,使测量滑块的外侧基准面与本体基准面对齐,调整指针与刻度标的起始位置；用第二台阶的外侧面抵压测量滑块的基准面,并推动测量滑块压缩弹簧体,使测量滑块带动测量针沿滑槽移动,直至第一台阶的外侧面与本体的基准面贴合,此时读出测量针在本体上的刻度标的读数即可测量出第一台阶与第二台阶的台阶差。(A kind of step difference measuring tool and application method, contain measurement ontology and measurement sliding block, there is boss in the side of ontology, the other side of corresponding boss is datum level, the upside of ontology is equipped with graduated scale, measurement sliding block is embedded on the sliding slot of body central, the inner end of measurement sliding block is connect with a spring body, the other end of spring body is bolted with an adjusting, a measurement needle corresponding with ontology graduated scale is connected on sliding block, when measurement, pass through the position for adjusting bolt adjustment measurement sliding block on ontology, it is aligned the outside datum level for measuring sliding block with ontology datum level, adjust the initial position of pointer and graduated scale；The datum level of measurement sliding block is compressed with the lateral surface of second step, and push measurement sliding block compressed spring body, make measurement sliding block that measurement needle be driven to move along the chute, until the lateral surface of first step is bonded with the datum level of ontology, the reading for reading the graduated scale of measurement needle on the body at this time can measure the step difference of first step and second step.)

1. a kind of step difference measuring tool contains measurement ontology and measurement sliding block, which is characterized in that the measurement ontology is flat The cuboid of plate has boss in the side of ontology, and the other side of corresponding boss is datum level, and the upside of ontology is equipped with scale The longitudinal center of mark, body upper surface is equipped with sliding slot, has an adjustment hole in outside the boss, the adjustment hole and sliding slot are coaxial, institute The measurement sliding block stated is embedded on the sliding slot of body central, and the outboard end for measuring sliding block is datum level, and the datum level with ontology In parallel, the inner end for measuring sliding block is connect with a spring body, and the other end of spring body is bolted with an adjusting, the adjusting It is bolted in the adjustment hole of ontology, a measurement needle corresponding with ontology graduated scale is connected on sliding block.

2. step difference measuring tool as described in claim 1, which is characterized in that the upper and lower surfaces of the ontology are equal Equipped with identical graduated scale, the measurement needle is the U-shaped structure that a top is turned back, and can be directed toward body upper surface simultaneously under The graduated scale on surface.

3. step difference measuring tool as claimed in claim 1 or 2, which is characterized in that there is a L-shaped groove on measurement sliding block, The lower end of needle is measured in L-shaped groove, the lower end for measuring needle is corresponding L shape, and has a slotted hole, separately there is a compression spiral shell Bolt is fixed in the L-shaped groove of measurement sliding block by the slotted hole by needle is measured.

4. step difference measuring tool as claimed in claim 1 or 2, which is characterized in that be also connected on the outside of the measurement sliding block There is one to increase block perpendicular to measurement sliding block, the lateral surface for increasing block is datum level.

5. step difference measuring tool as claimed in claim 4, which is characterized in that there is engaging lug in the lower end for increasing block Piece is connected to the upper surface of measurement sliding block by a hold-down bolt.

6. the application method of step difference measuring tool as described in claim 1, including first step and second step, First Be bonded gapless between the top surface of rank and the bottom surface of second step, need to measure first step lateral surface and second step it is outer The distance between side, which is characterized in that comprise the steps of, 1) step difference measuring tool is face-up, by ontology Adjust bolt adjustment measurement sliding block position, make measure sliding block outside datum level be aligned with ontology datum level, adjustment pointer With the initial position of graduated scale；2) datum level of measurement sliding block is compressed with the lateral surface of second step, and pushes measurement sliding block pressure Contracting spring body makes measurement sliding block that measurement needle be driven to move along the chute, until the lateral surface of first step and the benchmark face paste of ontology It closes, the reading for reading the graduated scale of measurement needle on the body at this time can measure the step difference of first step and second step.

7. the application method of step difference measuring tool as claimed in claim 5, including first step and second step, First There is the outer of the lateral surface and second step for needing to measure first step apart from gap between the top surface of rank and the bottom surface of second step The distance between side, which is characterized in that comprise the steps of, 1) step difference measuring tool is face-up, by ontology The position for adjusting bolt adjustment measurement sliding block, make to be fixed on the datum level for increasing block and ontology datum level on measurement sliding block Alignment adjusts the initial position of pointer and graduated scale；2) it is compressed with the lateral surface of second step and increases block on measurement sliding block Datum level, and push and increase block drive measurement sliding block compressed spring body, make measurement sliding block that measurement needle be driven to move along the chute, directly The datum level of lateral surface and ontology to first step is bonded, and reads the reading of the graduated scale of measurement needle on the body at this time Measure the step difference of first step and second step.

Technical field

This application involves the field of measuring technique of aircraft assembling manufacturing, more particularly to a kind of step difference Quick measurement tool And its application method.

Background technique

In large-scale assembling manufacturing industry, especially aerospace assembles field, and the scale in assembling process is a kind of general Store-through is in phenomenon, and such as spar and fixed front and rear edges partition, between fuselage section etc., the requirement in product design for scale has Stringent control, after product orientation, to there are scale positions to measure, be then adjusted make its meet design hold Limit.But detection instrument used at present and method all have some limitations, at present in production scene, for the survey of step difference Amount, most of all to be checked using Steel Ruler and vernier caliper, both tools are being used and are being read for scale detection It is all inconvenient in terms of numerical value, and use laser tracker, the three coordinate measuring machine long, testing cost that measures that there are measurement periods A series of problems, such as height, measurement limited space.Therefore it is badly in need of one kind simple and fast measuring tool and measurement method to meet dress Rapid survey with live step difference.

Summary of the invention

It is an object of the invention to propose a kind of step for step difference measurements problem existing for aircraft Assembling Production scene Difference measuring tool and application method.

A kind of step difference measuring tool contains measurement ontology and measurement sliding block, which is characterized in that the measurement ontology is Flat cuboid has boss in the side of ontology, and the other side of corresponding boss is datum level, and the upside of ontology is equipped with scale The longitudinal center of mark, body upper surface is equipped with sliding slot, has an adjustment hole in outside the boss, the adjustment hole and sliding slot are coaxial, institute The measurement sliding block stated is embedded on the sliding slot of body central, and the outboard end for measuring sliding block is datum level, and the datum level with ontology In parallel, the inner end for measuring sliding block is connect with compressed spring body, and the other end of spring body is bolted with an adjusting, the adjusting It is bolted in the adjustment hole of ontology, a measurement needle corresponding with ontology graduated scale is connected on sliding block.

The upper and lower surfaces of the ontology are equipped with identical graduated scale, and the measurement needle is a top folding The U-shaped structure returned, can be directed toward the graduated scale of body upper surface and lower surface simultaneously.To facilitate the reading in production scene.

The application also proposes the application method of above-mentioned step difference measuring tool, and tested product includes first step and Two steps are bonded gapless between the top surface of first step and the bottom surface of second step, need to measure the lateral surface of first step The distance between lateral surface of second step, comprises the steps of, 1) step difference measuring tool is face-up, pass through ontology On adjust bolt adjustment measurement sliding block position, make measure sliding block outside datum level be aligned with ontology datum level, adjustment refers to The initial position of needle and graduated scale；2) datum level of measurement sliding block is compressed with the lateral surface of second step, and pushes measurement sliding block Compressed spring body makes measurement sliding block that measurement needle be driven to move along the chute, until the lateral surface of first step and the datum level of ontology Fitting, the reading for reading the graduated scale of measurement needle on the body at this time can measure the step of first step and second step Difference.

If had between the top surface of the first step of test product and the bottom surface of second step apart from gap, need to measure When the distance between lateral surface and the lateral surface of second step of one step, one can also be connected on the outside of the measurement sliding block A to increase block perpendicular to measurement sliding block, the lateral surface for increasing block is datum level.This increase block for measure step it Between have the situation of clearance height difference.Measuring process is as follows: 1) it is step difference measuring tool is face-up, pass through the adjusting on ontology The position of bolt adjustment measurement sliding block, is aligned the datum level for increasing block being fixed on measurement sliding block with ontology datum level, Adjust the initial position of pointer and graduated scale；2) it is compressed with the lateral surface of second step and increases block benchmark on measurement sliding block Face, and promotion increases block and drives measurement sliding block compressed spring body, so that measurement sliding block drive is measured needle and moves along the chute, until the The lateral surface of one step is bonded with the datum level of ontology, and the reading for reading the graduated scale of measurement needle on the body at this time can measure The step difference of first step and second step out.

The beneficial effects of the present application are as follows: 1) measuring tool structure simple, manufacturing cost is low, easy to maintain；2) tool makes With simple, adjust that calibration is quick and convenient, and measurement efficiency is high；3) measuring tool is easy to carry, not examined area of space limitation；4) Equipped with block is increased on tool measurement sliding block, the measurement of contact, contactless step difference can be met；5) pedestal sided scale adds U-shaped measures needle, and measuring tool can be used with front and back sides, meets upwards-raised, lower convex type step difference measurements.

The application is described in further detail below in conjunction with attached drawing:

Detailed description of the invention

Fig. 1 is measuring tool overview

Fig. 2 is measuring tool explosive view

Fig. 3 is measuring tool slide block movement mechanism partial view

Fig. 4 is step difference instrumentation plan

Fig. 5 measuring tool front plan view

Fig. 6 measuring tool back side top view

Explanation is numbered in figure: 1 ontology, 2 boss, 3 graduated scales, 4 measurement needles, 5 sliding slots, 6 measurement sliding blocks, 7 adjust bolt, 8 Block, 12 hold-down bolts, 13 first steps, 14 second steps are increased in spring body, 9 datum levels, 10 adjustment holes, 11.

Specific embodiment

Referring to attached drawing, step difference measuring tool provided by the present application, containing measurement ontology 1 and measurement sliding block 6, feature exists In the flat cuboid of measurement ontology 1 has boss 2, the outside of the other side of corresponding boss 2 in the side of ontology 1 Face is datum level 9, and the upside of ontology 1 is equipped with graduated scale 3, and the longitudinal center of 1 upper surface of ontology is equipped with sliding slot 5, the cunning in implementation Slot is preferably a dovetail groove.There is an adjustment hole 10 on the outside of boss 2, the adjustment hole 10 is coaxial with sliding slot 5 and communicates, described Measurement sliding block 6 be embedded on the sliding slot 5 of body central, measurement sliding block 6 it is corresponding with dovetail groove.Measure the outboard end of sliding block 6 It is datum level, and parallel with the datum level of ontology, the inner end of measurement sliding block 6 is connect with spring body 8, the other end of spring body 8 Connect with an adjusting bolt 7, which is connected in the adjustment hole 10 of ontology 1, be connected on sliding block 6 one with The corresponding measurement needle 4 of ontology graduated scale.

In order to be preferably equipped in the upper and lower surfaces of ontology 1 identical in the measurement and reading for facilitating production scene Graduated scale 3, by measure needle 4 top turn back at U-shaped structure, the graduated scale 3 of body upper surface and lower surface can be directed toward simultaneously.

In implementation, measurement needle 4 is to have a L-shaped groove on measurement sliding block 6, measure needle with the connection type for measuring sliding block 6 Lower end correspond at L-shaped, and in the L-shaped groove, there is a slotted hole in the lower end for measuring needle, separately has a hold-down bolt 12 to pass through The slotted hole is fixed on needle 4 is measured in the L-shaped groove of measurement sliding block, and the slotted hole of measurement needle lower end, which has, utilizes adjustment measurement needle Zero position.

Using step difference measuring tool provided by the present application to the measurement application method of step difference, including 13 He of first step Second step 14 needs to measure first if being bonded gapless between the top surface of first step 13 and the bottom surface of second step 14 The distance between the lateral surface of the lateral surface of step 13 and second step 14, measuring process is as follows, 1) by step difference measuring tool Face-up, by ontology 1 adjust bolt 7 adjustment measurement sliding block 6 position, make measure sliding block 6 outside datum level with Ontology datum level 9 is aligned, and the initial position of adjustment measurement pointer 4 and graduated scale 3 is zeroed；2) lateral surface of second step 14 is used again The datum level of measurement sliding block 6 is compressed, and pushes measurement 6 compressed spring body 8 of sliding block, makes to measure the drive measurement of sliding block 6 needle 4 along the chute 5 is mobile, until the lateral surface of first step 13 is bonded with the datum level 9 of ontology 1, reads quarter of the measurement needle 4 on ontology 1 at this time The reading of scale 3 can measure first step 13 and the linear distance of the step side of second step 14 is poor.

If had between the tested top surface of first step 13 and the bottom surface of second step 14 apart from gap, need to measure the When the distance between lateral surface and the lateral surface of second step of one step, there is gap between the tested step of production scene The case where, the application also proposes that one is connected on the outside of measurement sliding block 6 increases block 11 perpendicular to measurement sliding block 6, increases The lateral surface of block 11 is datum level.There is attachment lug in the lower end for increasing block 11 described in implementation, and attachment lug passes through one A hold-down bolt 12 is connected to the upper surface of measurement sliding block 6.Comprised the steps of when measurement, 1) step difference measuring tool is positive Upward, by the position for adjusting the adjustment measurement sliding block 6 of bolt 7 on ontology 1, make to be fixed on measurement sliding block 6 and increase block 11 datum level is aligned with the datum level 9 of ontology 1, and the initial position of adjustment measurement pointer 4 and graduated scale 3 is zeroed；2) with second The lateral surface of step 14 compresses the datum level for increasing block 11 on measurement sliding block, and pushes and increase the drive measurement sliding block of block 11 6 compressed spring bodies 8 make to measure 5 movement along the chute of the drive measurement needle 4 of sliding block 6, until the lateral surface and ontology 1 of first step 13 Datum level 9 be bonded, the reading for reading graduated scale 3 of the measurement needle 4 on ontology 1 at this time can measure first step and second The linear distance of the step side of step is poor.