CN216081272U - High-precision gauge for detecting radian of special-shaped part - Google Patents
High-precision gauge for detecting radian of special-shaped part Download PDFInfo
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- CN216081272U CN216081272U CN202122412814.4U CN202122412814U CN216081272U CN 216081272 U CN216081272 U CN 216081272U CN 202122412814 U CN202122412814 U CN 202122412814U CN 216081272 U CN216081272 U CN 216081272U
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Abstract
The utility model discloses a high-precision gauge for detecting the radian of a special-shaped part, which comprises a dial indicator, a clamping seat and a pair of plates, wherein the clamping seat is arranged on the dial indicator; the dial indicator is provided with an elongated sleeve; the clamp seat comprises a clamp body and a pressing block, the clamp body is provided with an upper flat plate, a lower bottom plate and a middle vertical plate which is connected with the upper flat plate and the lower bottom plate, and the upper flat plate is provided with sleeve mounting holes which are symmetrically distributed and thread locking holes which are communicated with the sleeve mounting holes; an upper positioning hole is formed in one side of the middle vertical plate, a lower positioning hole is formed in the other side of the middle vertical plate, and the height of the upper positioning hole in the vertical direction is higher than that of the lower positioning hole; the lower bottom plate is I-shaped; the dial indicator is connected with the clamping seat through the sleeve mounting hole, and the clamping seat is connected with a stud for positioning and fixing the dial indicator through the thread locking hole; the clamp body is connected with a positioning column through an upper positioning hole and a lower positioning hole; the plate is circular, the radian of the plate is the same as the theoretical radian of the detected object, an assembly hole is formed in the circle center of the plate, and the assembly hole is matched with the positioning column.
Description
Technical Field
The utility model belongs to the technical field of detection tools, and particularly relates to a high-precision detection tool for detecting radian of a special-shaped part.
Background
The dial indicator is a measuring instrument which changes the linear displacement of a measuring rod into the angular displacement of a pointer by utilizing the transmission of a rack gear or a lever gear. The dial indicator works on the principle that the small linear movement of the measuring rod caused by the measured dimension is amplified through gear transmission and changed into the rotation of a pointer on a dial, so that the measured dimension is read. Structurally, the dial indicator comprises a pointer, a revolution indicator, a measuring rod, a measuring head and a sleeve, wherein after the pointer rotates for one circle, the revolution indicator rotates for one grid, for example, the dial plate of the pointer is divided into one hundred grids, each grid represents 0.01mm, and after the pointer moves for one complete circle, the revolution indicator swings for one grid.
The appearance of some dysmorphism pieces comprises the camber line of many different radians, these camber lines have the same center of dispersing, after the dysmorphism piece is processed, need check its appearance size, because the appearance is more complicated, traditional detection tool is when facing these dysmorphism pieces, it is more difficult to operate, therefore combine the dial indicator to provide a high accuracy to be used for the detection of dysmorphism piece radian;
three special-shaped pieces are provided below, as shown in fig. 8, an elliptical piece a, a multi-segment arc special-shaped piece B, and a single-segment arc special-shaped piece C, all of which have the same divergence center D. The method comprises the following steps that an elliptical part A is always required to be measured, whether radians at two ends of a long shaft of the elliptical part A reach standards or not and whether radians at two ends of a short shaft of the elliptical part A reach standards or not are measured; the radian of the arc B1 and the radian of the arc B2 are often measured for the multi-segment arc special-shaped piece B; the single segment arc profile C, often required to measure the arc of arc C1.
SUMMERY OF THE UTILITY MODEL
In view of the problems raised by the above background art, the present invention is directed to: aims to provide a high-precision gauge for detecting the radian of a special-shaped part.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
a high-precision gauge for detecting the radian of a special-shaped part comprises a dial indicator, a clamping seat and a pair of plates;
the dial indicator is provided with an elongated sleeve;
the clamp seat comprises a clamp body and a pressing block, the clamp body is provided with an upper flat plate, a lower bottom plate and a middle vertical plate for connecting the upper flat plate and the lower bottom plate, and the upper flat plate is provided with sleeve mounting holes which are symmetrically distributed and thread locking holes communicated with the sleeve mounting holes; an upper positioning hole is formed in one side of the middle vertical plate, a lower positioning hole is formed in the other side of the middle vertical plate, and the height of the upper positioning hole in the vertical direction is higher than that of the lower positioning hole; the lower bottom plate is I-shaped;
the dial indicator is connected with the clamping seat through the sleeve mounting hole, and the clamping seat is connected with a stud for positioning and fixing the dial indicator through the thread locking hole;
the clamp body is connected with a positioning column through an upper positioning hole and a lower positioning hole;
the arc-shaped positioning plate is circular, the radian of the plate is the same as the theoretical radian of a detected object, an assembling hole is formed in the circle center of the plate, and the assembling hole is matched with the positioning column.
Further inject, the four corners of lower plate is equipped with spacing breach, the briquetting is the arch, the shape and the spacing breach phase-match of briquetting, the last plane looks parallel and level of briquetting and lower plate, the both sides of briquetting are equipped with long waist hole, and such structural design accomplishes the fixed to the lower plate through spacing breach's mutual matching in briquetting and the lower plate, and the last plane looks parallel and level of briquetting and lower plate makes the outward appearance of cooperation department harmonious more, does not have the protrusion, reduces the degree of difficulty of fixed briquetting through long waist hole.
Further, the lower plane of the lower bottom plate is provided with friction stripes, and the structural design increases the stability of the clamping seat on the placing plane through the friction stripes.
Further, the outer side of the stud is provided with a hexagonal hole, and the stud is screwed through the hexagonal hole due to the structural design.
Further inject, the machining precision of going up locating hole, lower locating hole, pilot hole and reference column is higher than the detection precision of percentage table, and such structural design avoids assembly error accumulation through the machining precision of guaranteeing last locating hole, lower locating hole, pilot hole and reference column, leads to measurement accuracy to reduce.
The utility model has the beneficial effects that:
1. the device can adapt to various special-shaped pieces with different sizes and shapes, the variety of measurable objects is more, and the measurement universality is higher;
2. the measuring operation mode is simple, and the measuring precision is high;
3. when detecting the radian of batch dysmorphism piece, the in-service use effect to and economic benefits are better.
Drawings
The utility model is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of a single-segment arc special-shaped part C measured in an embodiment of a high-precision gauge for detecting the radian of the special-shaped part according to the utility model;
FIG. 2 is a schematic structural diagram of a multi-segment arc special-shaped part B measured in an embodiment of a high-precision gauge for detecting the radian of the special-shaped part according to the present invention;
FIG. 3 is a schematic structural diagram of a dial indicator in an embodiment of a high-precision gauge for detecting the radian of a special-shaped part according to the utility model;
FIG. 4 is a schematic structural view of a clamping seat in an embodiment of a high-precision gauge for detecting the radian of a special-shaped part according to the utility model;
FIG. 5 is a schematic structural view of a positioning post engaged with a clamp body in an embodiment of a high-precision gauge for detecting the radian of a special-shaped part according to the utility model;
FIG. 6 is a schematic structural diagram of a friction stripe in an embodiment of a high-precision gauge for detecting the radian of a special-shaped part according to the utility model;
FIG. 7 is a schematic structural diagram of a plate in an embodiment of a high-precision gauge for detecting the radian of a special-shaped part according to the utility model;
FIG. 8 is a schematic structural view of various profile members;
the main element symbols are as follows:
the dial indicator 1 and the lengthened sleeve 11;
the clamp comprises a clamp seat 2, a clamp body 21, an upper flat plate 211, a thread locking hole 2111, a sleeve mounting hole 2112, a middle vertical plate 212, an upper positioning hole 2121, a lower positioning hole 2122, a lower bottom plate 213, a limiting notch 2131, friction stripes 2132, a pressing block 22, a long waist hole 221, a stud 23, a hexagonal hole 231 and a positioning column 25;
the plate 3 and the assembly hole 31.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-8, the high-precision gauge for detecting the radian of a special-shaped part comprises a dial indicator 1, a holder 2 and a pair of plates 3;
the dial indicator 1 is provided with an elongated sleeve 11;
the clamp base 2 comprises a clamp body 21 and a pressing block 22, the clamp body 21 is provided with an upper flat plate 211, a lower bottom plate 213 and a middle vertical plate 212 connecting the upper flat plate 211 and the lower bottom plate 213, the upper flat plate 211 is provided with sleeve mounting holes 2112 which are symmetrically distributed and threaded locking holes 2111 communicated with the sleeve mounting holes 2112; an upper positioning hole 2121 is formed in one side of the middle vertical plate 212, a lower positioning hole 2122 is formed in the other side of the middle vertical plate, and the height of the upper positioning hole 2121 in the vertical direction is higher than that of the lower positioning hole 2122; the lower base plate 213 is i-shaped;
the dial indicator 1 is connected with the clamping seat 2 through a sleeve mounting hole 2112, and the clamping seat 2 is connected with a stud 23 for positioning and fixing the dial indicator 1 through a thread locking hole 2111;
the clamp body 21 is connected with a positioning column 25 through an upper positioning hole 2121 and a lower positioning hole 2122;
be circular to board 3, the radian is the same with the theoretical radian of being detected the object to board 3, is equipped with pilot hole 31 to the centre of a circle department of board 3, pilot hole 31 and reference column 25 phase-match.
In the implementation of the present invention, first, according to the radius of the radian of the detected object, it is determined whether the upper positioning hole 2121 or the lower positioning hole 2122 is specifically used, and the radius is longer, and then the lower positioning hole 2122 is used, but the upper positioning hole 2121 is not used, because the longer radius may cause the detected object to slide under the measuring head of the dial indicator, the measuring head moves up excessively, and the dial indicator exceeds the measuring stroke; the reason why the upper positioning hole 2121 is used and the lower positioning hole 2122 is not used is that the shorter radius may not enable the detected object to contact with the measuring head of the dial indicator, which results in that the measurement cannot be performed, so that two mounting positions of the upper positioning hole 2121 and the lower positioning hole 2122 are provided, in addition, the dial indicator 1 is provided with the lengthened sleeve 11, and the dial indicator 1 can adjust the distance from the measuring head of the dial indicator 1 to the special-shaped piece by the sliding of the lengthened sleeve 11 in the sleeve mounting hole 2112, so that the special-shaped piece with different radii can be adapted, and the measurement universality is improved;
the special-shaped piece is arranged on the positioning column 25 through the divergent center D, if the lower structure of the special-shaped piece is too much, the special-shaped piece arranged on the positioning column 25 is interfered with the placing plane of the checking fixture, the special-shaped piece cannot rotate, one side of the I-shaped lower bottom plate 213 can be placed on the installing plane by adjusting the position of the clamping seat 2 and is fixed through the pressing block 22, one side of the middle vertical plate 212 is separated from the space where the installing plane is located, namely only half of the I-shaped lower bottom plate 213 is in contact with the installing plane, so that the other side of the clamping seat 2 is not provided with the installing plane, the special-shaped piece with more structures can rotate and is detected through the dial indicator 1, the checking fixture can be suitable for special-shaped pieces with more sizes, and the variety of measuring objects is improved;
in general, when a machined special-shaped part needs to be measured, firstly, the opposite plate 3 meeting the theoretical size is selected to be mounted on the positioning column 25, the opposite plate 3 is connected with the positioning column 25 through the assembling hole 31, when the opposite plate 3 rotates on the positioning column 25, the opposite plate 3 is in contact with the measuring head of the dial indicator 1, the measuring head is enabled to generate certain displacement and display a reading W, the reading W is a standard reading of the radian of the special-shaped part under a standard radian, then the opposite plate 3 is taken down, the special-shaped part is placed on the positioning column 25, the special-shaped part is rotated, the dial indicator 1 displays a reading K, the difference between the reading K and the reading W is the difference between the actual radian of the special-shaped part and the standard radian, and the detection precision depends on the precision of the dial indicator 1 on one hand and the machining precision of the upper positioning hole 2121, the lower positioning hole 2122, the assembling hole 31 and the positioning column 25 on the other hand;
specifically, when the elliptical part a is measured, the divergence center D is assembled with the positioning column 25, the upper positioning hole 2121 or the lower positioning hole 2122 is selected according to the specific lengths of the long axis and the short axis of the elliptical part a, the elliptical part a is rotated, the radians of both ends of the long axis and the radians of both ends of the short axis of the elliptical part a are read through the dial indicator 1, the numerical values are compared with the standard numerical values of the plate 3, and if the difference value is within the error range, it is indicated that the processed product meets the standard;
when a multi-arc special-shaped piece B is measured, a divergence center D is assembled with a positioning column 25, an upper positioning hole 2121 or a lower positioning hole 2122 is selected according to the specific length of the divergence center D, the multi-arc special-shaped piece B is rotated, an arc line B1 and an arc line B2 are sequentially contacted with a measuring head of a dial indicator 1, two numerical values are obtained, namely a numerical value of an arc line B1 and a numerical value of an arc line B2, it is noted that the numerical values are not a fixed value but an average value selected by a measurer, and because the arc line B1 is a continuous arc and the arc line B2 is a continuous arc, the obtained measured values also need to be a series of continuous slightly-changed numerical values, the numerical values jump near the standard values, the machining precision of the same arc line B1 can be reflected through the jumping numerical values, the machining precision of the same arc line B2 can be reflected through the jumping numerical values, and the measured numerical values of the arc line B1 are measured, The measured value of the arc B2 is compared with the corresponding standard value of the plate 3, and if the difference value is within the error range, the processed product is in accordance with the standard;
the radian of an arc C1 in the single-segment arc special-shaped piece C is measured, which is similar to the step of measuring the multi-segment arc special-shaped piece B and is not described again;
in addition, because the pair plate 3 meeting the standard size needs to be manufactured firstly, the utility model has better practical use effect and economic effect when detecting the radian of a batch of special-shaped pieces.
Preferably, the four corners of lower plate 213 is equipped with spacing breach 2131, briquetting 22 is the arch, briquetting 22's shape and spacing breach 2131 phase-match, briquetting 22 and lower plate 213's last plane looks parallel and level, briquetting 22's both sides are equipped with long waist hole 221, such structural design, through briquetting 22 and lower plate 213 in spacing breach 2131's mutual matching, accomplish the fixed to lower plate 213, briquetting 22 and lower plate 213's last plane looks parallel and level, make the outward appearance of cooperation department more harmonious, do not have the protrusion, reduce the degree of difficulty of fixed briquetting 22 through long waist hole 221. In fact, other matching structures between the pressing block 22 and the lower base plate 213 can be specifically considered according to specific situations.
Preferably, the lower plane of the lower plate 213 is provided with friction stripes 2132, which is designed to increase the stability of the holder 2 on the placing plane by the friction stripes 2132. In fact, other structural designs that increase the stability of the cartridge 2 may also be specifically considered as the case may be.
Preferably, the stud 23 is provided with a hexagonal hole 231 on the outer side thereof, and the stud 23 is screwed through the hexagonal hole 231. In fact, other structural designs that facilitate the draw-down stud 23 may be specifically contemplated as circumstances may dictate.
Preferably, the machining accuracy of the upper positioning hole 2121, the lower positioning hole 2122, the assembling hole 31 and the positioning column 25 is higher than the detection accuracy of the dial gauge 1, and such a structural design avoids the accumulation of assembling errors and the reduction of the measurement accuracy by ensuring the machining accuracy of the upper positioning hole 2121, the lower positioning hole 2122, the assembling hole 31 and the positioning column 25. In fact, other structural designs that improve detection accuracy may be specifically considered as the case may be.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides an utensil is examined to high accuracy for dysmorphism radian detects which characterized in that: comprises a dial indicator (1), a clamping seat (2) and a plate pair (3);
the dial indicator (1) is provided with an elongated sleeve (11);
the clamp seat (2) comprises a clamp body (21) and a pressing block (22), the clamp body (21) is provided with an upper flat plate (211), a lower bottom plate (213) and a middle vertical plate (212) connecting the upper flat plate (211) and the lower bottom plate (213), the upper flat plate (211) is provided with sleeve mounting holes (2112) which are symmetrically distributed and thread locking holes (2111) which are communicated with the sleeve mounting holes (2112); an upper positioning hole (2121) is formed in one side of the middle vertical plate (212), a lower positioning hole (2122) is formed in the other side of the middle vertical plate, and the height of the upper positioning hole (2121) in the vertical direction is higher than that of the lower positioning hole (2122); the lower bottom plate (213) is I-shaped;
the dial indicator (1) is connected with the clamping seat (2) through a sleeve mounting hole (2112), and the clamping seat (2) is connected with a stud (23) for positioning and fixing the dial indicator (1) through a thread locking hole (2111);
the clamp body (21) is connected with a positioning column (25) through an upper positioning hole (2121) and a lower positioning hole (2122);
be circular to board (3), the radian to board (3) is the same with the theoretical radian that is detected the object, be equipped with pilot hole (31) to the centre of a circle department of board (3), pilot hole (31) and reference column (25) phase-match.
2. The high-precision gauge for detecting the radian of a special-shaped piece according to claim 1, is characterized in that: limiting notches (2131) are formed in four corners of the lower bottom plate (213), the pressing block (22) is arched, the shape of the pressing block (22) is matched with the limiting notches (2131), the pressing block (22) is flush with the upper plane of the lower bottom plate (213), and long waist holes (221) are formed in two sides of the pressing block (22).
3. The high-precision gauge for detecting the radian of the special-shaped piece according to claim 2 is characterized in that: and friction stripes (2132) are arranged on the lower plane of the lower bottom plate (213).
4. The high-precision gauge for detecting the radian of the special-shaped piece according to claim 3, is characterized in that: and a hexagonal hole (231) is formed in the outer side of the stud (23).
5. The high-precision gauge for detecting the radian of the special-shaped piece according to claim 4, is characterized in that: the machining precision of the upper positioning hole (2121), the lower positioning hole (2122), the assembling hole (31) and the positioning column (25) is higher than the detection precision of the dial indicator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412814.4U CN216081272U (en) | 2021-10-08 | 2021-10-08 | High-precision gauge for detecting radian of special-shaped part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412814.4U CN216081272U (en) | 2021-10-08 | 2021-10-08 | High-precision gauge for detecting radian of special-shaped part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216081272U true CN216081272U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122412814.4U Active CN216081272U (en) | 2021-10-08 | 2021-10-08 | High-precision gauge for detecting radian of special-shaped part |
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| Country | Link |
|---|---|
| CN (1) | CN216081272U (en) |
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2021
- 2021-10-08 CN CN202122412814.4U patent/CN216081272U/en active Active
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