CN110500930B - Step difference measuring tool and using method - Google Patents
Step difference measuring tool and using method Download PDFInfo
- Publication number
- CN110500930B CN110500930B CN201910715711.XA CN201910715711A CN110500930B CN 110500930 B CN110500930 B CN 110500930B CN 201910715711 A CN201910715711 A CN 201910715711A CN 110500930 B CN110500930 B CN 110500930B
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- measuring
- slide block
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- reference surface
- needle
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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
- 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
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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
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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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0007—Surface plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
A step difference measuring tool and a using method thereof comprise a measuring body and a measuring slide block, wherein a boss is arranged on one side of the body, a reference surface is arranged on the other side corresponding to the boss, a scale mark is arranged on the upper side of the body, the measuring slide block is embedded on a sliding chute in the center of the body, the inner side end of the measuring slide block is connected with a spring body, the other end of the spring body is connected with an adjusting bolt, a measuring needle corresponding to the scale mark of the body is connected onto the slide block, during measurement, the position of the measuring slide block is adjusted through the adjusting bolt on the body, the reference surface on the outer side of the measuring slide block is aligned with the reference surface of the body, and the starting position of the pointer; and the outer side surface of the second step is used for abutting against the reference surface of the measuring slide block, the measuring slide block is pushed to compress the spring body, the measuring slide block drives the measuring needle to move along the sliding groove until the outer side surface of the first step is attached to the reference surface of the body, and the step difference between the first step and the second step can be measured by reading the scale mark on the body of the measuring needle.
Description
Technical Field
The application relates to the technical field of measurement of aircraft assembly manufacturing, in particular to a step difference rapid measurement tool and a using method thereof.
Background
In the large-scale assembly manufacturing industry, particularly in the field of aerospace assembly, the step difference in the assembly process is a common phenomenon, such as the distance between a wing beam and fixed front and rear edge clapboards, between fuselage sections and the like, the requirement on the step difference in the product design is strictly controlled, and after the product is positioned, the part with the step difference needs to be measured and then adjusted to meet the design tolerance. However, the detection tools and methods used at present have certain limitations, most of the detection tools are used for detecting the step difference by using a steel plate ruler and a vernier caliper in the production field at present, the two tools are inconvenient to use and read numerical values for the step difference detection, and a series of problems of long measurement period, high detection cost, limited measurement space and the like exist when the laser tracker and the three-coordinate measuring machine are used for measurement. Therefore, a simple and fast measuring tool and a measuring method are urgently needed to meet the requirement of fast measuring the step difference on the assembly site.
Disclosure of Invention
The invention aims to provide a step difference measuring tool and a using method thereof aiming at the step difference measuring problem existing in an airplane assembly production field.
A step difference measuring tool comprises a measuring body and a measuring sliding block and is characterized in that the measuring body is a flat cuboid, a boss is arranged on one side of the measuring body, the other side corresponding to the boss is a reference surface, a scale mark is arranged on the upper side of the measuring body, a sliding groove is formed in the longitudinal center of the upper surface of the measuring body, an adjusting hole is formed in the outer side of the boss and is coaxial with the sliding groove, the measuring sliding block is embedded in the sliding groove in the center of the measuring body, the outer side end of the measuring sliding block is the reference surface and is parallel to the reference surface of the measuring body, the inner side end of the measuring sliding block is connected with a compression spring body, the other end of the spring body is connected with an adjusting bolt, the adjusting bolt is connected into the adjusting hole of the measuring body, and a measuring needle corresponding to the.
The upper surface and the lower surface of the body are both provided with the same scale marks, and the measuring needle is of a U-shaped structure with a folded top end and can simultaneously point to the scale marks on the upper surface and the lower surface of the body. To facilitate reading at the production site.
The application also provides a using method of the step difference measuring tool, the measured product comprises a first step and a second step, the top surface of the first step is attached to the bottom surface of the second step without a gap, and the distance between the outer side surface of the first step and the outer side surface of the second step needs to be measured; 2) and the outer side surface of the second step is used for abutting against the reference surface of the measuring slide block, the measuring slide block is pushed to compress the spring body, the measuring slide block drives the measuring needle to move along the sliding groove until the outer side surface of the first step is attached to the reference surface of the body, and the step difference between the first step and the second step can be measured by reading the scale mark on the body of the measuring needle.
If a distance gap exists between the top surface of the first step and the bottom surface of the second step of the product to be measured, and the distance between the outer side surface of the first step and the outer side surface of the second step needs to be measured, the outer side of the measuring slide block can be further connected with a heightening stop block perpendicular to the measuring slide block, and the outer side surface of the heightening stop block is a reference surface. The heightened stop block is used for measuring the condition of gap height difference between the steps. The measurement steps are as follows: 1) the front side of the step difference measuring tool faces upwards, the position of the measuring slide block is adjusted through an adjusting bolt on the body, the reference surface of a heightened stop block fixed on the measuring slide block is aligned with the reference surface of the body, and the starting position of a pointer and a scale mark is adjusted; 2) and the outer side surface of the second step is used for abutting against a heightened stop block reference surface on the measuring slide block, the heightened stop block is pushed to drive the measuring slide block to compress the spring body, the measuring slide block drives the measuring needle to move along the sliding groove until the outer side surface of the first step is attached to the reference surface of the body, and the step difference between the first step and the second step can be measured by reading the scale mark on the body of the measuring needle.
The beneficial effect of this application lies in: 1) the measuring tool has simple structure, low manufacturing cost and convenient maintenance; 2) the tool is simple to use, quick and convenient to adjust and calibrate, and high in measuring efficiency; 3) the measuring tool is convenient to carry and is not limited by a detection space area; 4) the tool measuring slide block is provided with a heightening stop block, so that the measurement of contact type and non-contact type step difference can be met; 5) the two-sided scale of base adds the U-shaped measuring pin, and measuring tool can use by the positive and negative, satisfies the difference of protruding formula, lower protruding formula step and measures.
The present application is described in further detail below with reference to the attached drawing figures:
drawings
FIG. 1 is an overall view of a measuring tool
FIG. 2 is an exploded view of a measurement tool
FIG. 3 is a partial view of a gage tool slide motion mechanism
FIG. 4 is a schematic view of step difference measurement
FIG. 5 front plan view of a measuring tool
FIG. 6 measurement tool Back side plan view
The numbering in the figures illustrates: the measuring device comprises a body 1, a boss 2, a scale mark 3, a measuring needle 4, a sliding chute 5, a measuring slide block 6, an adjusting bolt 7, a spring body 8, a reference surface 9, an adjusting hole 10, a heightened stop block 11, a compression bolt 12, a first step 13 and a second step 14.
Detailed Description
Referring to the attached drawings, the step difference measuring tool provided by the application comprises a measuring body 1 and a measuring slide block 6, and is characterized in that the measuring body 1 is a flat cuboid, a boss 2 is arranged on one side of the measuring body 1, a reference surface 9 is arranged on the outer side surface corresponding to the other side of the boss 2, a scale mark 3 is arranged on the upper side of the measuring body 1, and a sliding groove 5 is arranged at the longitudinal center of the upper surface of the measuring body 1 and is preferably a dovetail groove in implementation. An adjusting hole 10 is formed in the outer side of the boss 2, the adjusting hole 10 is coaxial and communicated with the sliding groove 5, the measuring sliding block 6 is embedded in the sliding groove 5 in the center of the body, and the measuring sliding block 6 corresponds to the dovetail groove. The outer side end of the measuring slide block 6 is a reference surface and is parallel to the reference surface of the body, the inner side end of the measuring slide block 6 is connected with the spring body 8, the other end of the spring body 8 is connected with an adjusting bolt 7, the adjusting bolt 7 is connected in an adjusting hole 10 of the body 1, and the slide block 6 is connected with a measuring needle 4 corresponding to the scale marks of the body.
In order to facilitate the measurement and reading at the production site, it is preferable that the same scale marks 3 are provided on both the upper surface and the lower surface of the body 1, and the tip of the measuring tip 4 is folded back into a U-shaped configuration to be directed to the scale marks 3 on both the upper surface and the lower surface of the body.
In implementation, the measuring needle 4 and the measuring slide block 6 are connected in a manner that an L-shaped groove is formed in the measuring slide block 6, the lower end of the measuring needle is correspondingly formed into an L shape and is embedded in the L-shaped groove, an oblong hole is formed in the lower end of the measuring needle, the measuring needle 4 is fixed in the L-shaped groove of the measuring slide block through the oblong hole by another compression bolt 12, and the oblong hole in the lower end of the measuring needle is used for adjusting the return-to-zero position of the measuring needle.
The method for measuring and using the step difference by using the step difference measuring tool comprises a first step 13 and a second step 14, if the top surface of the first step 13 is attached to the bottom surface of the second step 14 without a gap, the distance between the outer side surface of the first step 13 and the outer side surface of the second step 14 needs to be measured, and the measuring steps are as follows, 1) the step difference measuring tool faces upwards, the position of a measuring slide block 6 is adjusted through an adjusting bolt 7 on a body 1, the outer side reference surface of the measuring slide block 6 is aligned with a body reference surface 9, and the initial positions of a measuring pointer 4 and a scale mark 3 are adjusted to zero; 2) and then the outer side surface of the second step 14 is abutted against the reference surface of the measuring slide block 6, the measuring slide block 6 is pushed to compress the spring body 8, the measuring slide block 6 drives the measuring needle 4 to move along the sliding groove 5 until the outer side surface of the first step 13 is attached to the reference surface 9 of the body 1, and the linear distance difference between the side surfaces of the first step 13 and the second step 14 can be measured by reading the scale mark 3 of the measuring needle 4 on the body 1.
If a distance gap exists between the top surface of the measured first step 13 and the bottom surface of the second step 14, and the distance between the outer side surface of the first step and the outer side surface of the second step needs to be measured, aiming at the situation that the gap exists between the measured steps in a production field, the application also provides that a heightening stop block 11 perpendicular to the measuring slide block 6 is connected to the outer side of the measuring slide block 6, and the outer side surface of the heightening stop block 11 is a reference surface. In the embodiment, the lower end of the heightened baffle 11 is provided with a connecting lug which is connected to the upper surface of the measuring slide block 6 through a compression bolt 12. During measurement, the method comprises the following steps of 1) enabling the front surface of a step difference measuring tool to face upwards, adjusting the position of a measuring slide block 6 through an adjusting bolt 7 on a body 1, enabling a reference surface of a heightened stop block 11 fixed on the measuring slide block 6 to be aligned with a reference surface 9 of the body 1, and adjusting the starting positions of a measuring pointer 4 and a scale mark 3 to return to zero; 2) the outer side surface of the second step 14 is used for abutting against the reference surface of the heightening stop block 11 on the measuring slide block, the heightening stop block 11 is pushed to drive the measuring slide block 6 to compress the spring body 8, the measuring slide block 6 drives the measuring needle 4 to move along the sliding groove 5 until the outer side surface of the first step 13 is attached to the reference surface 9 of the body 1, and the linear distance difference of the step side surfaces of the first step and the second step can be measured by reading the scale mark 3 of the measuring needle 4 on the body 1.
Claims (4)
1. A step difference measuring tool comprises a measuring body and a measuring slide block, and is characterized in that the measuring body is a flat cuboid, a boss is arranged on one side of the measuring body, a reference surface is arranged on the other side corresponding to the boss, the same scale marks are arranged on the upper surface and the lower surface of the measuring body, a sliding groove is arranged at the longitudinal center of the upper surface of the measuring body, an adjusting hole is arranged at the outer side of the boss and is coaxial with the sliding groove, the measuring slide block is embedded on the sliding groove at the longitudinal center of the upper surface of the measuring body, the outer side end of the measuring slide block is a reference surface and is parallel to the reference surface of the measuring body, the inner side end of the measuring slide block is connected with a spring body, the other end of the spring body is connected with an adjusting bolt, the adjusting bolt is connected in the adjusting hole of the measuring body, and a measuring needle corresponding to the scale marks of the measuring, an L-shaped groove is arranged on the measuring slide block, the lower end of the measuring needle is embedded in the L-shaped groove, the lower end of the measuring needle is correspondingly L-shaped, and is provided with a long round hole, another hold-down bolt fixes the measuring needle in the L-shaped groove of the measuring slide block through the long round hole, the longitudinal width of the L-shaped groove along the upper surface of the measuring body is larger than the width of the measuring needle, the initial position of the scale mark has a certain distance from the reference surface of the measuring body, the position of the measuring slide block is adjusted through an adjusting bolt on the measuring body, so that the reference surface on the outer side of the measuring slide block is aligned with the reference surface of the measuring body, the return-to-zero position of the measuring needle is adjusted through the long round hole at the lower end of the measuring needle, the measuring needle is adjusted to be aligned with the starting position of the scale mark through the long round hole at the lower end of the measuring needle, the measuring needle is of a U-shaped structure with the folded top end, and the measuring needle can point to the scale mark on the upper surface and the scale mark on the lower surface of the measuring body at the same time.
2. A step difference measuring tool as claimed in claim 1, wherein a heightening stopper is further coupled to an outer side of the measuring slider to be perpendicular to an upper surface of the measuring slider, an outer side surface of the heightening stopper is a reference surface, and a connection lug is provided at a lower end of the heightening stopper and coupled to the upper surface of the measuring slider by a pressing bolt.
3. The method for using a step difference measuring tool according to claim 1, comprising a first step and a second step, the top surface of the first step is attached to the bottom surface of the second step without a gap, and it is necessary to measure the distance between the outer side surfaces of the same side of the first step and the second step, wherein the method comprises the steps of 1) facing the step difference measuring tool with the front side facing upward, adjusting the position of the measuring slide block by an adjusting bolt on the measuring body, aligning the reference surface on the outer side of the measuring slide block with the reference surface of the measuring body, and aligning the adjusting pointer with the start position of the scale mark; 2) and the outer side surface of the second step is used for abutting against the reference surface on the outer side of the measuring slide block, the measuring slide block is pushed to compress the spring body, the measuring slide block drives the measuring needle to move along the sliding groove until the outer side surface of the first step is attached to the reference surface of the measuring body, and the step difference between the first step and the second step can be measured by reading the scale mark on the measuring body of the measuring needle.
4. The method for using a step difference measuring tool according to claim 2, comprising a first step and a second step, wherein a distance gap is formed between the top surface of the first step and the bottom surface of the second step, and the distance between the outer side surfaces of the same side of the first step and the second step needs to be measured, wherein the method comprises the steps of 1) facing the step difference measuring tool with the front side facing upwards, adjusting the position of the measuring slide block through an adjusting bolt on the measuring body, aligning the reference surface of a heightened stopper fixed on the measuring slide block with the reference surface of the measuring body, and adjusting the measuring needle to be aligned with the starting position of the scale mark; 2) and the outer side surface of the second step is used for abutting against a heightened stop block reference surface on the measuring slide block, the heightened stop block is pushed to drive the measuring slide block to compress the spring body, the measuring slide block drives the measuring needle to move along the sliding groove until the outer side surface of the first step is attached to the reference surface of the measuring body, and the step difference between the first step and the second step can be measured by reading the scale mark on the measuring body of the measuring needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715711.XA CN110500930B (en) | 2019-08-02 | 2019-08-02 | Step difference measuring tool and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715711.XA CN110500930B (en) | 2019-08-02 | 2019-08-02 | Step difference measuring tool and using method |
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| CN110500930A CN110500930A (en) | 2019-11-26 |
| CN110500930B true CN110500930B (en) | 2021-05-07 |
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| CN201910715711.XA Active CN110500930B (en) | 2019-08-02 | 2019-08-02 | Step difference measuring tool and using method |
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| CN108534641A (en) * | 2018-06-26 | 2018-09-14 | 江苏信实精密工具有限公司 | A kind of diamond saw blade measurer for thickness |
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| CN209013882U (en) * | 2018-11-24 | 2019-06-21 | 兰州交通大学 | A kind of measuring device of architectural design |
| CN209055041U (en) * | 2018-12-25 | 2019-07-02 | 桐乡波力科技复材用品有限公司 | A kind of balance and linear measure longimetry platform of meadow hockey lever |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6314657B2 (en) * | 1997-12-04 | 2001-11-13 | Intercomp Company | Apparatus and method for gauging the ride height of a vehicle |
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2019
- 2019-08-02 CN CN201910715711.XA patent/CN110500930B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005016616U1 (en) * | 2005-10-24 | 2006-01-05 | Knäbel, Horst, Dipl.-Ing. | Step boring e.g. valve seat boring, dimension, form and position tolerance examining device, has axial stopper holding measuring head provided at a distance from valve head, and two key push button units projecting from ring surface |
| CN201788128U (en) * | 2010-07-14 | 2011-04-06 | 陈章生 | Sweater stretch density measurer |
| CN204007457U (en) * | 2014-07-29 | 2014-12-10 | 杜永进 | Novel take turns to framework gap digital display surveying instrument |
| CN205175292U (en) * | 2015-11-11 | 2016-04-20 | 杭州明柯汽车零部件有限公司 | Vehicle brake drum height detection measuring tool |
| CN207214945U (en) * | 2017-07-25 | 2018-04-10 | 航天推进技术研究院 | A kind of measurer suitable for the measurement of complicated pipe-line system bulk |
| CN108534641A (en) * | 2018-06-26 | 2018-09-14 | 江苏信实精密工具有限公司 | A kind of diamond saw blade measurer for thickness |
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