CN219810388U - Coaxiality measuring device for shaft piece - Google Patents
Coaxiality measuring device for shaft piece Download PDFInfo
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- CN219810388U CN219810388U CN202321276937.2U CN202321276937U CN219810388U CN 219810388 U CN219810388 U CN 219810388U CN 202321276937 U CN202321276937 U CN 202321276937U CN 219810388 U CN219810388 U CN 219810388U
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- shaft
- guide rail
- auxiliary shaft
- auxiliary
- coaxiality
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- 238000012360 testing method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000009191 jumping Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of shaft piece processing detection, in particular to a coaxiality measuring device for shaft pieces, which comprises a guide rail, wherein a sliding block is connected onto the guide rail in a sliding way, a dial indicator is fixedly arranged on the sliding block, a rotating disc is arranged above one end of the guide rail and is used for detachably mounting shaft pieces to be tested and enabling the shaft pieces to be arranged in parallel along the direction of the guide rail, the dial indicator is used for detecting the jumping amount of each point on the shaft pieces, an auxiliary shaft seat is further arranged at the other end of the guide rail through an adjusting mechanism, the auxiliary shaft on the auxiliary shaft seat extends towards the direction of the rotating disc, and the adjusting mechanism is used for adjusting the height and the horizontal position of the auxiliary shaft. The utility model is convenient for detecting the standard shaft with the flange plate, is used for evaluating the actual operation and examination of the manufacturing staff, and detects the jumping amount of each point of the shaft by utilizing the movement of the dial indicator on the guide rail, thereby determining that the error of the shaft meets the standard and ensuring the quality of the manufactured shaft.
Description
Technical Field
The utility model relates to the technical field of shaft piece processing detection, in particular to a coaxiality measuring device for a shaft piece.
Background
At present, the actual skill technology for the skill assessment of the factory mechanical skill workers is required to finish the adjustment of parts within a certain time, the process is performed through the detection of measuring tools, the skill assessment of whether the positions of the parts reach the target values is obtained, and finally the actual skill assessment result of the staff is determined. The existing detection of the standard shaft element is usually carried out by measuring the manufactured shaft element by using vernier calipers and the like according to experience or drawing data, and sampling detection is carried out at each key position, namely the detection result is obtained, but the coaxiality and other data of the shaft element cannot be measured more accurately, the circumference of the cylindrical part of the shaft element cannot be ensured, and if additional test and experimental data support are needed, the test is carried out on the basis of other equipment, and the requirement of the standard shaft element detection is not met. Therefore, it is needed to design a device capable of conveniently and rapidly measuring coaxiality of the manufactured standard shaft piece and rapidly judging whether the error is in a proper range.
Disclosure of Invention
In order to solve the problems of the prior art, the present utility model aims to provide a device for measuring coaxiality of a shaft member. The utility model is convenient for detecting the standard shaft with the flange plate, is used for evaluating the actual operation and examination of the manufacturing staff, and detects the jumping amount of each point of the shaft by utilizing the movement of the dial indicator on the guide rail, thereby determining that the error of the shaft meets the standard and ensuring the quality of the manufactured shaft.
The coaxiality measuring device for the shaft part comprises a guide rail, wherein a sliding block is connected onto the guide rail in a sliding manner, a dial indicator is fixedly arranged on the sliding block, a rotary table is arranged above one end of the guide rail and is used for detachably mounting the shaft part to be tested and enabling the shaft part to be arranged in parallel along the direction of the guide rail, the dial indicator is used for detecting the jumping amount of each point on the shaft part, an auxiliary shaft seat is further arranged at the other end of the guide rail through an adjusting mechanism, the auxiliary shaft on the auxiliary shaft seat extends towards the direction of the rotary table, and the adjusting mechanism is used for adjusting the height and the horizontal position of the auxiliary shaft.
In one embodiment, the cross section of the guide rail is I-shaped, the corner is smooth and excessive, and the bottom of the sliding block is matched with the guide rail.
In one embodiment, the slide block is provided with a positioning rod and a hand wheel which are linked, and the positioning rod passes through the side surface of the slide block and contacts with the guide rail.
In one embodiment, four mounting holes are uniformly distributed on the turntable around the center of the turntable, adjusting screws are inserted in the mounting holes, and the aperture of each mounting hole is smaller than that of a through hole in a flange plate of the shaft piece.
In one embodiment, the length of the auxiliary shaft protruding from the auxiliary shaft seat is at least 30cm.
In one embodiment, a space is left between the auxiliary shaft and the end of the shaft to be tested.
In one embodiment, the auxiliary shaft seat is mounted on the base, the adjusting mechanism comprises a positioning screw located in the middle of the auxiliary shaft seat and an adjusting screw located at four corners of the auxiliary shaft seat, the positioning screw penetrates through the auxiliary shaft seat and is in threaded connection with the base, a nut is further in threaded connection with the positioning screw, the adjusting screw is in threaded connection with the auxiliary shaft seat, and the lower end of the adjusting screw penetrates through the auxiliary shaft seat and is in contact with the base.
Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:
1. the utility model is convenient for detecting the standard shaft with the flange plate, is used for evaluating the actual operation and examination of the manufacturing staff, and detects the jumping amount of each point of the shaft by utilizing the movement of the dial indicator on the guide rail, thereby determining that the error of the shaft meets the standard and ensuring the quality of the manufactured shaft.
2. After the dial indicator corresponds to the proper position, a tester can screw the positioning rod through the hand wheel, so that the tester can pass through the side surface of the sliding block and prop against the side surface of the guide rail, and further the friction force is improved to relatively fix the positions of the sliding block and the dial indicator.
3. Four mounting holes are formed in the rotary table and correspond to larger through holes in the flange plate of the shaft piece respectively, so that when the shaft piece is mounted and fixed through the adjusting screw, the adjusting screw can be not screwed down first, the mounting position of the shaft piece is adjusted through hammering the top of the flange plate, detection of the dial indicator at the position A and the position B can be matched, and the shaft piece is mounted in advance to enable the central axis of the shaft piece to be horizontal and consistent with the rotary table as much as possible.
Drawings
FIG. 1 is a schematic view of a device for measuring coaxiality of a shaft member according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a turntable of the present utility model;
FIG. 3 is a schematic cross-sectional view of a shaft to be tested of the present utility model;
fig. 4 is a side view of the guide rail and slider of the present utility model.
Reference numerals illustrate: the device comprises a guide rail 1, a sliding block 2, a dial indicator 3, a rotary table 4, a 41-mounting hole 42, an adjusting screw 5, an adjusting mechanism 51, a positioning screw 52, an adjusting screw 6, an auxiliary shaft seat and a hand wheel 7.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model. The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the coaxiality measuring device for the shaft part comprises a guide rail 1, wherein a sliding block 2 is slidably connected to the guide rail 1, a dial indicator 3 is fixedly arranged on the sliding block 2, a rotary table 4 is arranged above one end of the guide rail 1, the rotary table 4 is used for detachably mounting the shaft part to be tested and enabling the shaft part to be arranged in parallel along the direction of the guide rail 1, the dial indicator 3 is used for detecting the jumping amount of each point on the shaft part, an auxiliary shaft seat 6 is further arranged at the other end of the guide rail 1 through an adjusting mechanism 5, the direction of the auxiliary axial rotary table 4 on the auxiliary shaft seat 6 extends, and the adjusting mechanism 5 is used for adjusting the height and the horizontal position of the auxiliary shaft. The utility model is convenient for detecting the standard shaft with the flange plate, is used for evaluating the actual operation and examination of the manufacturing staff, and detects the jumping amount of each point of the shaft by utilizing the movement of the dial indicator 3 on the guide rail 1, thereby determining that the error of the shaft meets the standard and ensuring the quality of the manufactured shaft. The method comprises the following steps: the shaft piece to be tested is arranged on the rotary table 4, the rotary table 4 is rotated and matched with the position of the dial indicator 3, the jumping amounts of the points A and B in the figure 1 are measured, and the jumping amounts of the points A and B are not more than 0.03mm and are qualified. If the measurement is qualified, then further testing can be performed, the positions of the shaft piece and the dial indicator 3 are adjusted, the dial indicator 3 is translated to the auxiliary shaft seat 6 by taking the middle point of the shaft piece as a reference, the auxiliary shaft of the auxiliary shaft seat 6 is of a standard size, the auxiliary shaft can be adjusted to be positioned on the same axis as the turntable 4, the auxiliary shaft on the auxiliary shaft seat 6 is rotated, the runout of the points C and D is detected by using the dial indicator 3, and whether the outer diameter of the shaft piece deviates from the auxiliary shaft in the longitudinal and transverse directions or not can be obtained, and the runout is not more than 0.03mm and is qualified.
Further, in order to ensure that the movement of the dial indicator 3 is not deviated, the cross section of the guide rail 1 is I-shaped, the corner is smooth and excessive, and the bottom of the sliding block 2 is matched with the guide rail 1. As shown in fig. 4, the shape of the guide rail 1 is matched with the sliding block 2, so that the dial indicator 3 can be ensured to horizontally move, and the measurement accuracy is improved. And, be equipped with locating lever and hand wheel 7 that link mutually on the slider 2, the locating lever passes the side of slider 2 and contacts with guide rail 1. After the dial indicator 3 corresponds to the proper position, a tester can screw the positioning rod through the hand wheel 7, so that the tester passes through the side surface of the sliding block 2 and props against the side surface of the guide rail 1, and further the friction force is improved to relatively fix the positions of the sliding block 2 and the dial indicator 3.
In addition, four mounting holes 41 are uniformly distributed on the turntable 4 around the center of the turntable, adjusting screws 42 are inserted in the mounting holes 41, and the aperture of the mounting holes 41 is smaller than that of the through holes in the flange of the shaft. The turntable 4 is provided with four mounting holes 41, which correspond to larger through holes on the flange of the shaft respectively, so that when the shaft is mounted and fixed by the adjusting screw 42, the mounting position of the shaft can be adjusted by hammering the top of the flange without screwing the adjusting screw 42, the mounting of the shaft can be matched with the detection of the dial indicator 3 at the points A and B, the central axis of the shaft is horizontally arranged as much as possible and is consistent with the turntable 4 in advance, after the runout of the points A and B is measured, the shaft with larger deviation can be readjusted according to the situation, for example, when the runout of the point A is in reference to the point B, the tightening degree of the four adjusting screws 42 is adjusted to the runout of the points A and B is in reference to the point A and B which is in reference to the point A and the point B which is in reference to the runout of 0.05mm, and the next step of diameter size measurement can be carried out.
In one embodiment, the length of the auxiliary shaft protruding from the auxiliary shaft seat 6 is at least 30cm. Thus, the distance between the points C and D is about 30cm, which is convenient for more accurately comparing the diameter dimension test of the shaft piece and avoiding interference caused by other errors. Furthermore, a space is left between the auxiliary shaft and the end of the shaft to be tested, facilitating the rotation of each at the time of measurement of the dial indicator 3.
Further, the auxiliary shaft seat 6 is mounted on the base, the adjusting mechanism 5 comprises a positioning screw 51 positioned in the middle of the auxiliary shaft seat 6 and adjusting screws 52 positioned at four corners of the auxiliary shaft seat 6, the positioning screw 51 penetrates through the auxiliary shaft seat 6 and is in threaded connection with the base, nuts are further in threaded connection with the positioning screw 51, the adjusting screws 52 are in threaded connection with the auxiliary shaft seat 6, and the lower ends of the adjusting screws 52 penetrate through the auxiliary shaft seat 6 and are in contact with the base. The auxiliary shaft seat 6 is of a side U-shaped structure, the adjusting screws 52 at four corners can jack up the auxiliary shaft seat 6 relative to the base through rotation, after the proper positions are adjusted, the positioning screws 51 are placed in the corresponding positions of the middle of the auxiliary shaft seat 6 and are screwed on the base to limit the positions of the auxiliary shaft seat 6 through screwing nuts.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth words do not indicate or imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (7)
1. The utility model provides a axiality measuring device of shaft piece, its characterized in that, including guide rail (1), sliding connection has slider (2) on guide rail (1), set firmly percentage table (3) on slider (2), the one end top of guide rail (1) is equipped with carousel (4), carousel (4) are used for demountable installation to wait to test the shaft piece and make the shaft piece follow guide rail (1) direction parallel arrangement, just percentage table (3) are used for detecting the runout of each point on the shaft piece, the other end of guide rail (1) still is equipped with supplementary axle bed (6) through adjustment mechanism (5), supplementary axial on supplementary axle bed (6) the direction of carousel (4) extends, adjustment mechanism (5) are used for adjusting the height and the horizontal position of supplementary axle.
2. The coaxiality measuring device for the shaft part according to claim 1, wherein the cross section of the guide rail (1) is I-shaped, the corner is smooth and excessive, and the bottom of the sliding block (2) is matched with the guide rail (1).
3. The device for measuring the coaxiality of the shaft parts according to claim 2, wherein the sliding block (2) is provided with a positioning rod and a hand wheel (7) which are linked, and the positioning rod penetrates through the side surface of the sliding block (2) and is contacted with the guide rail (1).
4. The coaxiality measuring device for the shaft according to claim 1, wherein four mounting holes (41) are uniformly distributed on the turntable (4) around the center of the turntable, adjusting screws (42) are inserted in the mounting holes (41), and the aperture of the mounting holes (41) is smaller than that of the through holes in the flange of the shaft.
5. A device for measuring the coaxiality of a shaft element according to claim 1, characterized in that the length of the auxiliary shaft protruding from the auxiliary shaft seat (6) is at least 30cm.
6. The device for measuring the coaxiality of a shaft according to claim 1, wherein a space is reserved between the auxiliary shaft and the end of the shaft to be tested.
7. The coaxiality measuring device for shaft parts according to claim 1, wherein the auxiliary shaft seat (6) is mounted on a base, the adjusting mechanism (5) comprises a positioning screw (51) positioned in the middle of the auxiliary shaft seat (6) and an adjusting screw (52) positioned at four corners of the auxiliary shaft seat (6), the positioning screw (51) penetrates through the auxiliary shaft seat (6) and is in threaded connection with the base, a nut is further in threaded connection with the positioning screw (51), the adjusting screw (52) is in threaded connection with the auxiliary shaft seat (6), and the lower end of the adjusting screw (52) penetrates through the auxiliary shaft seat (6) to be in contact with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276937.2U CN219810388U (en) | 2023-05-23 | 2023-05-23 | Coaxiality measuring device for shaft piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321276937.2U CN219810388U (en) | 2023-05-23 | 2023-05-23 | Coaxiality measuring device for shaft piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810388U true CN219810388U (en) | 2023-10-10 |
Family
ID=88213483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321276937.2U Active CN219810388U (en) | 2023-05-23 | 2023-05-23 | Coaxiality measuring device for shaft piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810388U (en) |
-
2023
- 2023-05-23 CN CN202321276937.2U patent/CN219810388U/en active Active
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