CN111928756A - Component distance measurement center-dividing caliper and distance measurement method thereof - Google Patents

Component distance measurement center-dividing caliper and distance measurement method thereof Download PDF

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Publication number
CN111928756A
CN111928756A CN202010935943.9A CN202010935943A CN111928756A CN 111928756 A CN111928756 A CN 111928756A CN 202010935943 A CN202010935943 A CN 202010935943A CN 111928756 A CN111928756 A CN 111928756A
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square
scale
rectangular piece
horizontal rectangular
angle
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杨志丹
张艳芳
潘春宇
韩卓华
郭宏志
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China Construction Industrial and Energy Engineering Group Co Ltd
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China Construction Industrial and Energy Engineering Group Co Ltd
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G01B3/08—Rulers with scales or marks for direct reading rigid extensible
    • 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
    • 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
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The invention belongs to the technical field of measurement, and particularly relates to a component distance measurement center-sharing caliper and a distance measurement method thereof. The invention has simple operation, can perform single-hand operation for distance measurement and has high measurement precision.

Description

Component distance measurement center-dividing caliper and distance measurement method thereof
Technical Field
The invention belongs to the technical field of measurement, and particularly relates to a component distance measurement center-dividing caliper and a distance measurement method thereof.
Background
At present, the common components are divided into a plurality of parts by adopting a ruler to measure the distance, calculating the number of a central point, and then finding and marking the scales. Other square cooperation is required in the branch of present component or two member, and divides the centre precision low, often needs two people to operate, wastes time and energy.
The invention patent with the Chinese patent number of 2018202705975 discloses a technical scheme of a novel trace detection measuring ruler for criminal site investigation, which comprises a measuring ruler box, wherein a square ruler placing area and a flexible ruler placing area are arranged in the measuring ruler box, the square ruler placing area is used for placing a square ruler, the square ruler consists of a horizontal ruler body and a vertical ruler body, a rubber pad is arranged at a bottom rod of the lower end of the horizontal ruler body, a protractor is arranged at the joint of the horizontal ruler body and the vertical ruler body, a circular flexible ruler consists of a measuring flexible ruler and a fixing ring, the front end of the measuring flexible ruler is connected with a pull ring and the rear end of the measuring flexible ruler is connected with a fixing block, the fixing block is connected with the fixing ring through a pull-plug connecting piece, the fixing ring is connected with a supporting beam rod, and the measuring flexible ruler and the fixing.
Although two rulers are used for combined measurement in the prior art, the connecting structure is complex, the flexible measuring ruler and the fixing ring are easy to damage the ring in the actual repeated use process, deformation is generated, the measuring accuracy is influenced, the operation method is complex, and two hands are needed for measuring operation. And the measuring range of the horizontal ruler body is short, and the long-distance measurement requirement cannot be met under the condition that the same storage volume is occupied.
Disclosure of Invention
The invention aims to: the two square rulers are embedded and used, can be pulled and pulled, and have wide application range, convenient operation by one person and high precision.
In order to achieve the purpose, the technical scheme of the invention is as follows: provides a component distance measuring and centering caliper, which comprises a first square and a second square which are embedded by a concave-convex structure, the scale unit of the first right-angle ruler is the same as that of the second right-angle ruler, the first right-angle ruler is an L-shaped ruler piece formed by integrally connecting a first vertical rectangular piece and a first horizontal rectangular piece, the second square is an L-shaped square piece formed by integrally connecting a second vertical rectangular piece and a second horizontal rectangular piece, the first horizontal rectangular piece and the second horizontal rectangular piece are provided with scales, after the first square and the second square are embedded, the scale surface of the first horizontal rectangular piece and the scale surface of the second horizontal rectangular piece are coplanar, the scale values of the first right-angle square and the second right-angle square are increased in opposite directions, when the distance is measured, the first horizontal rectangular member and the second horizontal rectangular member relatively move in the scale direction.
Preferably, the concave-convex structure comprises a protrusion arranged on the first horizontal rectangular piece scale surface and a groove arranged on the back surface of the second horizontal rectangular piece scale surface, the protrusion is embedded with the groove attaching surface, and the scale on the first horizontal rectangular piece scale surface is higher than the scale on the second horizontal rectangular piece scale surface.
Preferably, the concave-convex structure comprises a protrusion arranged on the scale surface of the second horizontal rectangular piece and a groove arranged on the back surface of the scale surface of the first horizontal rectangular piece, the protrusion is embedded with the groove facing surface, and the scale height on the scale surface of the first horizontal rectangular piece is higher than that on the scale surface of the second horizontal rectangular piece.
Preferably, the upper and lower sides of the protrusion and the groove are attached by inclined planes.
Preferably, the thickness of the first horizontal rectangular member is greater than the thickness of the first vertical rectangular member.
Preferably, the thickness of the second horizontal rectangular member is greater than the thickness of the second vertical rectangular member.
Preferably, the scale height on the first horizontal rectangular piece scale surface is higher than the scale on the second horizontal rectangular piece scale surface, the ascending scale and the descending scale that align from top to bottom are arranged on the first horizontal rectangular piece scale surface, and when the first horizontal rectangular piece and the second horizontal rectangular piece are embedded through the concave-convex structure, the scale mark of the descending scale is directly attached to the scale mark on the second horizontal rectangular piece scale surface in the vertical direction.
Preferably, first horizontal rectangle spare with behind first vertical rectangle spare integrated into one piece the interior limit of first horizontal rectangle spare with two right-angle sides of right angle in the interior limit formation of first vertical rectangle spare, the zero scale mark of first right-angle ruler with the interior limit place straight line coincidence of first vertical rectangle spare.
Preferably, the horizontal rectangular piece of second with behind the vertical rectangular piece integrated into one piece of second the interior limit of the horizontal rectangular piece of second with two right-angle sides of right angle in the interior limit formation of the vertical rectangular piece of second, the zero scale mark of second square with the interior limit place straight line coincidence of the vertical rectangular piece of second.
Preferably, a limit block is arranged in the scale direction of the first horizontal rectangular piece or the second horizontal rectangular piece.
The invention also provides a distance measuring method of the component distance measuring center caliper, the component distance measuring center caliper comprises a first right-angle square and a second right-angle square which are embedded through a concave-convex structure, the scale unit of the first right-angle ruler is the same as that of the second right-angle ruler, the first right-angle ruler is an L-shaped ruler piece formed by integrally connecting a first vertical rectangular piece and a first horizontal rectangular piece, the second square is an L-shaped square piece formed by integrally connecting a second vertical rectangular piece and a second horizontal rectangular piece, the first horizontal rectangular piece and the second horizontal rectangular piece are provided with scales, after the first square and the second square are embedded, the scale surface of the first horizontal rectangular piece and the scale surface of the second horizontal rectangular piece are coplanar, the scale values of the first right-angle square and the second right-angle square are increased in opposite directions, when the distance is measured, the first horizontal rectangular piece and the second horizontal rectangular piece move relatively along the scale direction;
the method for measuring the distance by using the component distance measuring center-finding caliper comprises the following steps:
step 1, placing a component ranging center-dividing caliper: clamping the first rod piece by the first right-angle square, and drawing the second right-angle square according to the actual distance between the two rod pieces so that the second rod piece is just clamped by the second right-angle square;
step 2, reading: reading A (mm) of the first square, wherein A is the range of the first square, and reading B (mm) (B is less than or equal to B, and B is the range of the second square) of the second square;
step 3, calculating the farthest distance between the surfaces of the two rod pieces: the furthest distance between the surfaces of the two bars is the reading of the first square plus the reading of the second square, and the furthest distance between the surfaces of the two bars is A + b (mm).
Preferably, step 4 and step 5 are added after step 3 for calculating the center distance of the two rod pieces on the horizontal plane;
step 4, reading: reading the nearest centimeter scales C (cm) on the first square and the second square, reading a distance value interval (D, E) (mm) between the scale C on the first square and the scale C on the second square, wherein the interval length is less than 1mm, and taking average values of D/2(mm) and E/2 (mm);
step 5, calculating the center distance of the two rod pieces on the horizontal plane: the distance value between the scale C on the first square and the scale C on the second square is closer to D (mm), the average value D/2(mm) is selected, and the center distance of the two rod pieces on the horizontal plane is 10C + D/2 (mm); and the distance value between the scale C on the first square and the scale C on the second square is closer to E (mm), the average value E/2(mm) is selected, and the center distance of the two rod pieces on the horizontal plane is 10C + E/2 (mm).
The invention has the beneficial effects that:
1. the vertical height and the horizontal scale of the first square and the second square can be respectively and independently adjusted and designed according to actual needs, and the application range is expanded.
2. According to the invention, the first right-angle square and the second right-angle square are inserted and pulled for use through the concave-convex structures, the total range of distance measurement is the sum of the ranges of the first right-angle square and the second right-angle square, the distance measurement distance is expanded, and when the device is not used, the first right-angle square and the second right-angle square can be relatively close to each other and pushed, so that the storage volume is reduced.
3. The concave-convex structures of the first square and the second square are designed into the embedded structures of the protrusions and the grooves, wherein the protrusions are in surface contact with the grooves, and the upper sides and the lower sides of the protrusions and the grooves are in inclined surface attachment, so that the embedded stability of the first square and the second square is higher, and the situation that the first square and the second square are separated from each other before and after the use is avoided.
4. The first horizontal rectangular piece or be equipped with the stopper on the scale direction of second horizontal rectangular piece, avoid first square and second square to take place the condition that left and right sides broke away from in the use.
5. The thickness of the first horizontal rectangular piece is larger than that of the first vertical rectangular piece, the thickness of the second horizontal rectangular piece is larger than that of the second vertical rectangular piece, the overall rigidity is improved, and the service life of the square is prolonged.
6. After the first horizontal rectangular piece and the first vertical rectangular piece are integrally formed, the inner edge of the first horizontal rectangular piece and the inner edge of the first vertical rectangular piece form two right-angle sides of an inner right angle, and a zero scale mark of the first right-angle ruler is superposed with a straight line where the inner edge of the first vertical rectangular piece is located; the horizontal rectangular piece of second with behind the vertical rectangular piece integrated into one piece of second the interior limit of the horizontal rectangular piece of second with two right-angle sides of right angle in the interior limit formation of the vertical rectangular piece of second, the zero scale mark of second square with the interior limit place sharp coincidence of the vertical rectangular piece of second. Therefore, the inner right angle of the square is positioned in the position of clamping the component, and the effect of aligning the zero scale mark and the component edge line is achieved, the accuracy of zero scale alignment is improved, the measurement error is reduced, and the measurement precision is improved.
Drawings
FIG. 1 is a front view of a distance measuring caliper of the present invention.
FIG. 2 is a schematic cross-sectional view taken at 1-1 of FIG. 1 in accordance with the present invention.
FIG. 3 is an enlarged view of a portion of FIG. 1A according to the present invention.
Fig. 4 is a partially enlarged view of the invention at B in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Referring to fig. 1 and 2, the present invention provides a component distance measuring centering caliper, which includes a first square and a second square that are embedded through a concave-convex structure, wherein a scale unit of the first square is the same as a scale unit of the second square, the first square is an L-shaped square formed by integrally connecting a first vertical rectangular component 1 and a first horizontal rectangular component 2, the second square is an L-shaped square formed by integrally connecting a second vertical rectangular component 3 and a second horizontal rectangular component 4, scales are arranged on the first horizontal rectangular component 2 and the second horizontal rectangular component 4, after the first square is embedded with the second square, a scale surface of the first horizontal rectangular component 2 and a scale surface of the second horizontal rectangular component 4 are coplanar, scale values of the first square and the second square are increased in opposite directions, and when measuring distance, the first horizontal rectangular member 2 and the second horizontal rectangular member 4 relatively move in the scale direction.
The concave-convex structure comprises a protrusion 21 arranged on the scale surface of the first horizontal rectangular piece 2 and a groove 41 arranged on the back surface of the scale surface of the second horizontal rectangular piece 4, the protrusion 21 is embedded with the groove 41 in a veneering manner, and the scale height on the scale surface of the first horizontal rectangular piece 2 is higher than the scale on the scale surface of the second horizontal rectangular piece 4.
The concave-convex structure comprises a bulge arranged on the scale surface of the second horizontal rectangular part 4 and a groove arranged on the back surface of the scale surface of the first horizontal rectangular part 2, the bulge is embedded with the groove veneering, and the scale height on the scale surface of the first horizontal rectangular part 2 is higher than the scale on the scale surface of the second horizontal rectangular part 4.
The upper and lower sides of the protrusion 21 and the groove 41 are in inclined surface fit.
The thickness of the first horizontal rectangular member 2 is greater than the thickness of the first vertical rectangular member 1.
The thickness of the second horizontal rectangular member 4 is greater than the thickness of the second vertical rectangular member 3.
The scale height on the 2 scale surfaces of first horizontal rectangular component is higher than the scale on the 4 scale surfaces of second horizontal rectangular component, be equipped with ascending scale 5 and the descending scale 6 that align from top to bottom on the 2 scale surfaces of first horizontal rectangular component, work as first horizontal rectangular component 2 with second horizontal rectangular component 4 passes through after the concave-convex structure gomphosis, the scale mark of descending scale 6 with scale mark 7 on the 4 scale surfaces of second horizontal rectangular component is directly pressed close to in vertical direction.
First horizontal rectangular component 2 with behind first vertical rectangular component 1 integrated into one piece the interior limit of first horizontal rectangular component 2 with two right-angle sides of right angle in the interior limit formation of first vertical rectangular component 1, the zero scale mark of first right-angle ruler with the interior limit place sharp coincidence of first vertical rectangular component 1. The horizontal rectangular component of second 4 with behind the vertical rectangular component 3 integrated into one piece of second the interior limit of horizontal rectangular component of second 4 with two right-angle sides of right angle in the interior limit formation of the vertical rectangular component 3 of second, the zero scale mark of second square with the interior limit place sharp coincidence of the vertical rectangular component 3 of second. Therefore, the inner right angle of the square is positioned in the position of clamping the component, and the effect of aligning the zero scale mark and the component edge line is achieved, the accuracy of zero scale alignment is improved, the measurement error is reduced, and the measurement precision is improved.
First horizontal rectangular piece 2 or be equipped with the stopper in the scale direction of second horizontal rectangular piece 4, the stopper setting is in the zero scale mark left side 5mm department of distance second square, avoids first square and the condition that the second square breaks away from about taking place in the use.
The scale mark position that the biggest scale value on the first horizontal rectangular piece 2 corresponds leaves white 5mm apart from the edge of first horizontal rectangular piece 2, the scale mark position that the biggest scale value on the second horizontal rectangular piece 4 corresponds leaves white 5mm apart from the edge of second horizontal rectangular piece 4.
The vertical height and the horizontal scale of the first square and the second square can be respectively and independently adjusted and designed according to actual needs, and the application range is expanded.
According to the invention, the first right-angle square and the second right-angle square are inserted and pulled for use through the concave-convex structures, the total range of distance measurement is the sum of the ranges of the first right-angle square and the second right-angle square, the distance measurement distance is expanded, and when the device is not used, the first right-angle square and the second right-angle square can be relatively close to each other and pushed, so that the storage volume is reduced.
The concave-convex structures of the first square and the second square are designed into the embedded structures of the protrusions and the grooves, wherein the protrusions are in surface contact with the grooves, and the upper sides and the lower sides of the protrusions and the grooves are in inclined surface attachment, so that the embedded stability of the first square and the second square is higher, and the situation that the first square and the second square are separated from each other before and after the use is avoided.
The first horizontal rectangular piece 2 or the second horizontal rectangular piece 4 is provided with a limiting block in the scale direction, so that the situation that the first square and the second square are separated from each other left and right in the use process is avoided.
The thickness of the first horizontal rectangular piece 2 is larger than that of the first vertical rectangular piece 1, the thickness of the second horizontal rectangular piece 4 is larger than that of the second vertical rectangular piece 3, the overall rigidity is improved, and the service life of the square is prolonged.
The upper ends of the first vertical rectangular piece 1 and the second vertical rectangular piece 3 are provided with handles which are beneficial to being held by human hands.
The measuring range of the first square is set to be A (mm), the measuring range of the second square is set to be B (mm), and the precision of the first square and the second square is set to be mm.
The method for measuring the distance of the component by using the caliper comprises the following steps:
1. measuring the farthest distance between any two rod surfaces
The inner right angle of the first square is clamped with the first rod 8, the second square is pulled according to the actual distance between the two rods, so that the inner right angle of the second square just clamps the second rod 9, at the moment, the reading of the first square is A (mm), the reading of the second square is B (mm) (B is less than or equal to B), the farthest distance between the surfaces of the two rods is the reading of the first square plus the reading of the second square, and the farthest distance between the surfaces of the two rods is A + B (mm).
2. Measuring the center distance of any two rod pieces on the horizontal plane
Clamping a first rod member 8 by an inner right angle of a first right-angle square, drawing a second right-angle square according to the actual distance between the two rod members, so that the inner right angle of the second right-angle square just clamps a second rod member 9, reading the nearest centimeter scale C (cm) on the first right-angle square and the second right-angle square, reading a distance value interval (D, E) (mm) between the scale C on the first right-angle square and the scale C on the second right-angle square, wherein the interval length is less than 1mm, taking average values D/2(mm) and E/2(mm), and selecting an average value D/2(mm) when the distance value between the scale C on the first right-angle square and the scale C on the second right-angle square is closer to D (mm), wherein the center distance of the two rod members on a horizontal plane is 10C + D/2 (mm); and the distance value between the scale C on the first square and the scale C on the second square is closer to E (mm), the average value E/2(mm) is selected, and the center distance of the two rod pieces on the horizontal plane is 10C + E/2 (mm).
Referring to fig. 3 and 4, the measuring range of the first square is set to be 25mm, the measuring range of the second square is set to be 25mm, and the accuracy of the first square and the second square is set to be mm.
The method for measuring the farthest distance between the surfaces of any two rod pieces comprises the following steps:
clamping a rod piece by the inner right angle of a first right-angle square, drawing a second right-angle square according to the actual distance between the two rod pieces, so that the inner right angle of the second right-angle square just clamps the other rod piece, reading the first right-angle square to be 250(mm), reading the second right-angle square to be 34(mm) (B is less than or equal to B), adding the reading of the second right-angle square to the reading of the first right-angle square by the farthest distance on the surfaces of the two rod pieces, wherein the farthest distance on the surfaces of the two rod pieces is 284(mm), knowing that the actual farthest distance of the two rod pieces is 284.22mm, the error is 0.22mm, and the error is less than 1 mm.
The method for measuring the center distance of any two rod pieces on the horizontal plane comprises the following steps:
the inner right angle of the first square is clamped with one rod piece, according to the actual distance of the two rod pieces, the second square is pulled, so that the inner right angle of the second square just clamps another rod piece, the closest centimeter scales 14(cm) on the first square and the second square are read, the distance value interval (4mm and 5mm) between the scale mark of 14cm on the first square and the scale mark of 14cm on the second square is read, the interval length is smaller than 1mm, the average value is taken to be 2mm and 2.5mm, the distance value between the C scale on the first square and the C scale on the second square is closer to 4mm, the average value is selected to be 2mm, the central distance of the two rod pieces on the horizontal plane is 142mm, the actual central distance of the two rod pieces is 142.11mm, the error is 0.11mm, and the error is smaller than 1 mm.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A component distance measuring center-dividing caliper is characterized by comprising a first square and a second square which are embedded through a concave-convex structure, the scale unit of the first right-angle ruler is the same as that of the second right-angle ruler, the first right-angle ruler is an L-shaped ruler piece formed by integrally connecting a first vertical rectangular piece and a first horizontal rectangular piece, the second square is an L-shaped square piece formed by integrally connecting a second vertical rectangular piece and a second horizontal rectangular piece, the first horizontal rectangular piece and the second horizontal rectangular piece are provided with scales, after the first square and the second square are embedded, the scale surface of the first horizontal rectangular piece and the scale surface of the second horizontal rectangular piece are coplanar, the scale values of the first right-angle square and the second right-angle square are increased in opposite directions, when the distance is measured, the first horizontal rectangular member and the second horizontal rectangular member relatively move in the scale direction.
2. A component distance measuring centering caliper according to claim 1, wherein the concavo-convex structure includes a protrusion provided on the first horizontal rectangular piece scale surface, a groove provided on the back surface of the second horizontal rectangular piece scale surface, the protrusion is fitted to the groove fitting surface, the scale height on the first horizontal rectangular piece scale surface is higher than the scale on the second horizontal rectangular piece scale surface or the concavo-convex structure includes a protrusion provided on the second horizontal rectangular piece scale surface, a groove provided on the back surface of the first horizontal rectangular piece scale surface, the protrusion is fitted to the groove fitting surface, the scale height on the first horizontal rectangular piece scale surface is higher than the scale on the second horizontal rectangular piece scale surface.
3. A component distance measuring centering caliper according to claim 2, wherein the upper and lower sides of the protrusion and the groove are in inclined surface fit.
4. A member ranging centering caliper according to claim 1, wherein the thickness of the first horizontal rectangular member is greater than the thickness of the first vertical rectangular member; the thickness of the second horizontal rectangular member is greater than the thickness of the second vertical rectangular member.
5. A component distance measuring center dividing caliper according to claim 1, wherein the height of the scale on the scale surface of the first horizontal rectangular piece is higher than the scale on the scale surface of the second horizontal rectangular piece, the scale surface of the first horizontal rectangular piece is provided with an up-going scale and a down-going scale which are aligned up and down, and when the first horizontal rectangular piece and the second horizontal rectangular piece are embedded through a concave-convex structure, the scale lines of the down-going scale are directly close to the scale lines on the scale surface of the second horizontal rectangular piece in the vertical direction.
6. The component ranging and centering caliper according to claim 1, wherein the first horizontal rectangular piece and the first vertical rectangular piece are integrally formed, the inner edge of the first horizontal rectangular piece and the inner edge of the first vertical rectangular piece form two right-angle sides of an inner right angle, and the zero scale line of the first right-angle caliper coincides with the straight line where the inner edge of the first vertical rectangular piece is located.
7. The component ranging and centering caliper according to claim 1, wherein the second horizontal rectangular piece and the second vertical rectangular piece are integrally formed, the inner edge of the second horizontal rectangular piece and the inner edge of the second vertical rectangular piece form two right-angle sides of an inner right angle, and the zero scale line of the second right-angle ruler coincides with the straight line where the inner edge of the second vertical rectangular piece is located.
8. A component distance measuring center dividing caliper according to claim 1, wherein a limit block is arranged in the scale direction of the first horizontal rectangular piece or the second horizontal rectangular piece.
9. A distance measuring method of a component distance measuring center caliper is characterized in that the component distance measuring center caliper comprises a first right-angle square and a second right-angle square which are embedded through a concave-convex structure, the scale unit of the first right-angle ruler is the same as that of the second right-angle ruler, the first right-angle ruler is an L-shaped ruler piece formed by integrally connecting a first vertical rectangular piece and a first horizontal rectangular piece, the second square is an L-shaped square piece formed by integrally connecting a second vertical rectangular piece and a second horizontal rectangular piece, the first horizontal rectangular piece and the second horizontal rectangular piece are provided with scales, after the first square and the second square are embedded, the scale surface of the first horizontal rectangular piece and the scale surface of the second horizontal rectangular piece are coplanar, the scale values of the first right-angle square and the second right-angle square are increased in opposite directions, when the distance is measured, the first horizontal rectangular piece and the second horizontal rectangular piece move relatively along the scale direction;
the method for measuring the distance by using the component distance measuring center-finding caliper comprises the following steps:
step 1, placing a component ranging center-dividing caliper: clamping the first rod piece by the first right-angle square, and drawing the second right-angle square according to the actual distance between the two rod pieces so that the second rod piece is just clamped by the second right-angle square;
step 2, reading: reading A (mm) of the first square, wherein A is the range of the first square, and reading B (mm) (B is less than or equal to B, and B is the range of the second square) of the second square;
step 3, calculating the farthest distance between the surfaces of the two rod pieces: the furthest distance between the surfaces of the two bars is the reading of the first square plus the reading of the second square, and the furthest distance between the surfaces of the two bars is A + b (mm).
10. The method for measuring the distance of a component distance measuring centering caliper according to claim 9, wherein step 4 and step 5 are added after step 3 for calculating the center-to-center distance of the two rod members on the horizontal plane;
step 4, reading: reading the nearest centimeter scales C (cm) on the first square and the second square, reading a distance value interval (D, E) (mm) between the scale C on the first square and the scale C on the second square, wherein the interval length is less than 1mm, and taking average values of D/2(mm) and E/2 (mm);
step 5, calculating the center distance of the two rod pieces on the horizontal plane: the distance value between the scale C on the first square and the scale C on the second square is closer to D (mm), the average value D/2(mm) is selected, and the center distance of the two rod pieces on the horizontal plane is 10C + D/2 (mm); and the distance value between the scale C on the first square and the scale C on the second square is closer to E (mm), the average value E/2(mm) is selected, and the center distance of the two rod pieces on the horizontal plane is 10C + E/2 (mm).
CN202010935943.9A 2020-09-08 2020-09-08 Component distance measurement center-dividing caliper and distance measurement method thereof Pending CN111928756A (en)

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