CN215865118U - Novel coaxiality measuring device - Google Patents
Novel coaxiality measuring device Download PDFInfo
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- CN215865118U CN215865118U CN202122098313.3U CN202122098313U CN215865118U CN 215865118 U CN215865118 U CN 215865118U CN 202122098313 U CN202122098313 U CN 202122098313U CN 215865118 U CN215865118 U CN 215865118U
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Abstract
The utility model discloses a novel coaxiality measuring device, which belongs to the technical field of coaxiality measurement and comprises a turntable, a positioning seat, a movable connecting rod, a positioning block, a probe and a lead, wherein: the edge of carousel evenly is provided with rotatory scale mark, and the positioning seat coaxial setting is used for contacting the measuring hole inner wall in the inboard of carousel, the outline of positioning seat, and the one end of removal connecting rod is mobilizable to pass removes the hole, and the other end of removal connecting rod is fixed on the locating piece, evenly is provided with the removal scale mark on the removal connecting rod, and the fixed orifices that the installation probe was used is seted up at the top of locating piece. Compared with the prior art, the probe has the advantages that the rotation angle of the probe is controllable, the front-back movement position of the probe is controllable, the probe can accurately position parameters based on the spectrum confocal displacement sensor, and finally the angle and the size of the axis deviation are determined based on the circle center positions of two different sections.
Description
Technical Field
The utility model belongs to the technical field of coaxiality measurement, and particularly relates to a novel coaxiality measuring device.
Background
The coaxiality measuring system is used for measuring the coaxiality between the outer wall surface of the round rod in the hole and the cylinder and giving the deviation magnitude and direction. Currently, there are various concentricity measurement instruments on the market, for example: photosynthetic JHL-WDL03E type concentricity measuring instrument, Irelaceae A-10 type concentricity measuring instrument and the like have similar structures and functions, most of the instruments are manually measured and controlled, data needs to be manually read, and data cannot be transmitted to a computer. Meanwhile, when the requirement of high-precision measurement is met, the requirement cannot be met. Therefore, it is important to design a new coaxiality measuring device, and how to improve the measuring mode and the moving mode of the measuring device becomes a new technical problem.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a novel coaxiality measuring device, which has a controllable probe rotation angle and a controllable probe forward and backward movement position, and can accurately determine position parameters based on a spectrum confocal displacement sensor probe, and finally determine the angle and the size of axial deviation based on the circle center positions of two different sections.
The utility model solves the problems through the following technical means:
the utility model provides a novel axiality measurement device, includes carousel, positioning seat, removal connecting rod, locating piece, probe and wire, wherein: the edge of the turntable is uniformly provided with rotary scale marks, and the turntable is provided with a central hole and a moving hole; the positioning seat is coaxially arranged on the inner side of the rotary table, and the outer contour of the positioning seat is used for contacting the inner wall of the measuring hole; one end of the movable connecting rod movably penetrates through the movable hole, the other end of the movable connecting rod is fixed on the positioning block, and movable scale marks are uniformly arranged on the movable connecting rod; the inner side of the positioning block is provided with a mounting seat, the mounting seat is provided with a mounting hole for connecting a movable connecting rod, and the top of the positioning block is provided with a fixing hole for mounting a probe; one end of the wire is connected with the probe, and the other end of the wire is connected with the upper computer.
Preferably, the probe is a spectral confocal displacement sensor and is used for measuring the distance from the probe to the inner wall of the measuring hole.
Preferably, one side of the positioning seat close to the turntable is provided with a positioning groove, the positioning groove is sleeved with a positioning ring, the outer surface of the positioning ring inclines inwards to form a positioning inclined plane, and the middle part of the positioning seat is provided with a wiring hole.
Preferably, one or more positioning ball plungers are arranged at the top of the positioning block, and fastening screws are arranged at the positions, close to the fixing holes, of the positioning block.
Preferably, the middle part of the positioning block is provided with a central hole.
Preferably, the two sides of the bottom of the positioning block are provided with positioning arc edges.
The novel coaxiality measuring device has the following beneficial effects:
(1) the moving distance and the rotating angle of the probe are accurate and controllable, the rotating angle of the probe can be intuitively controlled by rotating the scale marks, and the back-and-forth moving distance of the probe can be intuitively controlled by moving the scale marks.
(2) The positioning seat is provided with a novel positioning ring, the positioning ring adopts an inclined plane structure, and can be in transition fit with the inner walls of the measuring holes with different diameters, so that the positioning seat is integrally fixed, and the phenomenon that the positioning seat shakes in the measuring process is avoided.
(3) The positioning block adopts a technical scheme of three-point positioning, and is provided with a positioning ball plunger and a positioning arc edge, wherein the positioning ball plunger can be an elastic fulcrum, so that the adaptability of the scheme is further improved.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the turntable configuration of the present invention;
FIG. 3 is a schematic view of the positioning seat structure of the present invention;
FIG. 4 is a schematic view of the positioning block of the present invention;
fig. 5 is a schematic side view of the positioning block of the present invention.
FIG. 6 is a schematic view of the positioning block positioning process of the present invention;
fig. 7 is a schematic diagram of the practical application of the present invention.
In the figure, 1-turntable, 101-rotation scale mark, 102-center hole, 103-moving hole, 2-positioning seat, 201-positioning groove, 202-positioning ring, 203-positioning inclined plane, 204-wire hole, 3-moving connecting rod, 301-moving scale mark, 4-positioning block, 401-mounting seat, 402-mounting hole, 403-fixing hole, 404-positioning ball plunger, 405-fastening screw, 406-center hole, 407-positioning arc edge, 5-probe, 6-lead and 7-measuring hole.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the coaxiality measuring device comprises a rotary table 1, a positioning seat 2, a movable connecting rod 3, a positioning block 4, a probe 5 and a wire 6, wherein the rotary table 1 can drive the whole device to rotate, the positioning seat 2 is used for contacting the inner wall of a measuring hole 7, and the movable connecting rod 3 is a connecting and driving part for driving the positioning block 4 and the probe 5 to move in the measuring hole 7. In this embodiment, the edge of the turntable 1 is uniformly provided with the rotation scale lines 101, and after finding the reference point on the measuring hole 7, the turntable can be accurately rotated by a specific angle. One end of the movable connecting rod 3 movably penetrates through the movable hole 103, the other end of the movable connecting rod 3 is fixed on the positioning block 4, and movable scale marks 301 are uniformly arranged on the movable connecting rod 3.
In fig. 2, the turntable 1 is provided with a central hole 102 and two moving holes 103, and the moving holes 103 may be square holes or circular holes. The positioning seat 2 is coaxially arranged on the inner side of the turntable 1, and the outer contour of the positioning seat 2 is used for contacting the inner wall of the measuring hole 7. In this embodiment, one side that positioning seat 2 is close to carousel 1 is provided with constant head tank 201, the cover is equipped with holding ring 202 on the constant head tank 201, the surface leanin of holding ring 202 forms positioning inclined plane 203, wire hole 204 has been seted up at the middle part of positioning seat 2, holding ring 202 can adopt materials such as nylon, aluminum alloy to make, this holding ring adopts the inclined plane structure, can carry out transition fit with the measurement hole inner wall of different diameters, realize the monolithic stationary of positioning seat, avoid appearing rocking in the measurement process.
In the figure, a mounting seat 401 is arranged on the inner side of a positioning block 4, a mounting hole 402 for connecting a movable connecting rod 3 is formed in the mounting seat 401, a fixing hole 403 for mounting a probe 5 is formed in the top of the positioning block 4, the probe 5 is a spectrum confocal displacement sensor and is used for measuring the distance from the probe 5 to the inner wall of a measuring hole 7, one end of a lead 6 is connected with the probe 5, and the other end of the lead 6 is connected with an upper computer.
Specifically, the top of the positioning block 4 is provided with one or more positioning ball plungers 404, a fastening screw 405 is arranged at a position of the positioning block 4 close to the fixing hole 403, the probe 5 is installed in the fixing hole 403, and then the fastening screw 405 is tightened to fix the positioning block 4, a central hole 406 is formed in the middle of the positioning block 4, the central hole 406 is used for observation and weight reduction, and positioning arc edges 407 are arranged on two sides of the bottom of the positioning block 4. It should be noted that the positioning ball plunger 404 and the positioning arc edges 407 on both sides form a three-point positioning technical scheme, and the positioning ball plunger can be an elastic fulcrum, so that the adaptability of the scheme is further improved.
In the actual measurement, the existing measurement algorithm is adopted, and the basic principle of combining an upper computer measurement system is as follows: and measuring the circle center positions of two different sections, and determining the angle and the size of the axis deviation. Step one), measuring the parallelism of a bus of the outer wall of the measured rod and a bus of the inner wall of the hole by taking the inner wall of the hole as a reference; step two), calibrating two points by accurately controlling the depth of a measuring point, and measuring the inclination angle of a bus; and step three), through multiple measurements, firstly, the parallelism correction of the bus is completed, and then the axis offset correction is carried out.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a novel axiality measurement device, its characterized in that, includes carousel (1), positioning seat (2), removes connecting rod (3), locating piece (4), probe (5) and wire (6), wherein:
the edge of the turntable (1) is uniformly provided with rotary scale marks (101), and the turntable (1) is provided with a central hole (102) and a moving hole (103);
the positioning seat (2) is coaxially arranged on the inner side of the turntable (1), and the outer contour of the positioning seat (2) is used for contacting the inner wall of the measuring hole (7);
one end of the movable connecting rod (3) movably penetrates through the movable hole (103), the other end of the movable connecting rod (3) is fixed on the positioning block (4), and movable scale marks (301) are uniformly arranged on the movable connecting rod (3);
the inner side of the positioning block (4) is provided with a mounting seat (401), the mounting seat (401) is provided with a mounting hole (402) for connecting the movable connecting rod (3), and the top of the positioning block (4) is provided with a fixing hole (403) for mounting the probe (5);
one end of the lead (6) is connected with the probe (5), and the other end of the lead (6) is connected with the upper computer.
2. The new coaxiality measuring device according to claim 1, wherein the probe head (5) is a spectral confocal displacement sensor and is used for measuring the distance from the probe head (5) to the inner wall of the measuring hole (7).
3. The novel coaxiality measuring device as claimed in claim 1, wherein a positioning groove (201) is formed in one side, close to the turntable (1), of the positioning seat (2), a positioning ring (202) is sleeved on the positioning groove (201), the outer surface of the positioning ring (202) is inclined inwards to form a positioning inclined surface (203), and a wiring hole (204) is formed in the middle of the positioning seat (2).
4. The novel coaxiality measuring device as claimed in claim 1, wherein one or more positioning ball plungers (404) are arranged at the top of the positioning block (4), and fastening screws (405) are arranged at positions of the positioning block (4) close to the fixing holes (403).
5. The novel coaxiality measuring device according to claim 1, wherein a central hole (406) is formed in the middle of the positioning block (4).
6. The novel coaxiality measuring device according to claim 1, wherein positioning arc edges (407) are arranged on two sides of the bottom of the positioning block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098313.3U CN215865118U (en) | 2021-09-01 | 2021-09-01 | Novel coaxiality measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122098313.3U CN215865118U (en) | 2021-09-01 | 2021-09-01 | Novel coaxiality measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865118U true CN215865118U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122098313.3U Active CN215865118U (en) | 2021-09-01 | 2021-09-01 | Novel coaxiality measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN215865118U (en) |
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2021
- 2021-09-01 CN CN202122098313.3U patent/CN215865118U/en active Active
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