CN211503945U - Internal spline major diameter measuring device - Google Patents
Internal spline major diameter measuring device Download PDFInfo
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- CN211503945U CN211503945U CN201922157025.3U CN201922157025U CN211503945U CN 211503945 U CN211503945 U CN 211503945U CN 201922157025 U CN201922157025 U CN 201922157025U CN 211503945 U CN211503945 U CN 211503945U
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Abstract
The utility model discloses a big footpath measuring device of internal spline mainly includes standard ring gage, location fender bridge, apparatus, first activity gauge head and second activity gauge head, standard ring gage main part be equipped with the instruction list, and its terminal fixed connection location protects the bridge, the location protects bridge fixed connection apparatus, the apparatus be cylindricly, its one end is equipped with first activity gauge head, the other end is equipped with second activity gauge head, wherein the use flow is: before measurement, according to the size of a workpiece to be measured, when the standard ring gauge adjusts the zero position to measure the aperture, the movable measuring head swings in the radial direction to find the maximum value, and swings in the axial direction to find the minimum value. The utility model has the advantages that: the workpiece is rapidly detected on site, detection data can be read in real time, the tolerance zone of the current product is known, and the service life of the cutter is detected in real time; the ellipse and the taper of the spline can be detected; the utility model discloses a to measuring device's structural design, improved detection efficiency, perfect the detection function.
Description
Technical Field
The utility model relates to a measuring device mainly is a big footpath measuring device of internal spline.
Background
In the prior art, a workpiece with a large diameter of a spline can be detected only through a spline go-no-go gauge on site, but the go-no-go gauge detection can only judge whether the size of the part is qualified or not and can not output a specific numerical value; the three-coordinate detection is adopted, actual data can be output, but the three-coordinate detection cannot be carried out on site in real time due to large size and can only be sent to a laboratory for detection, so that not only is time wasted, but also production is influenced, and the full length detection and measurement of the spline cannot be realized due to the influence of a detection needle during the three-coordinate measurement, and only one section of the head of the spline can be detected. At present, a measuring head of an ordinary inner diameter gauge is short and interferes with the tooth side of a spline, so that the large diameter of the inner spline cannot be measured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide a big footpath measuring device of internal spline, through the structural design to measuring device, improved detection efficiency, perfect the detection function.
The purpose of the utility model is accomplished through following technical scheme. The internal spline major diameter measuring device mainly comprises a standard ring gauge, a positioning protection bridge, a measuring device, a first movable measuring head and a second movable measuring head, wherein the main body of the standard ring gauge is provided with an indicating meter, the tail end of the main body of the standard ring gauge is fixedly connected with the positioning protection bridge, the positioning protection bridge is fixedly connected with the measuring device, the measuring device is cylindrical, one end of the measuring device is provided with the first movable measuring head, the other end of the measuring device is provided with the second movable measuring head, and the use flow is as follows: before measurement, a corresponding measuring range measuring head and a standard ring gauge are selected according to the size of a workpiece to be measured, the zero position of an indicating table is adjusted by the standard ring gauge, when the zero position of the standard ring gauge is adjusted to measure the aperture, a movable measuring head swings in the radial direction to find the maximum value, swings in the axial direction to find the minimum value, the size change of a spline in the 90-degree direction and the up-down variation of the spline are detected, and the ellipse and the taper of the spline are known.
Furthermore, the first movable measuring head is cylindrical and provided with a step, and the first movable measuring head and the contact end of the detected workpiece form a spherical surface.
Furthermore, the second movable measuring head is cylindrical and forms a spherical surface with the contact end of the detected workpiece.
Furthermore, the size design of the first movable measuring head, the second movable measuring head and the positioning guard bridge depends on the spline parameters of the workpiece.
The utility model has the advantages that:
1. the workpiece is rapidly detected on site, detection data can be read in real time, the tolerance zone of the current product is known, and the service life of the cutter is detected in real time;
2. the ellipse and the taper of the spline can be detected.
Drawings
Fig. 1 is a schematic structural view of the internal spline major diameter measuring device of the present invention;
FIG. 2 is a top view of the measuring device of the present invention;
FIG. 3 is a schematic view of the structure of the measuring device of the present invention;
description of reference numerals: the measuring device comprises a standard ring gauge 1, an indicating gauge 2, a positioning guard bridge 3, a measuring device 4, a first movable measuring head 4-1 and a second movable measuring head 4-2.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example 1: the internal spline major diameter measuring device mainly comprises a standard ring gauge 1, an indicating gauge 2, a positioning guard bridge 3, a measuring device 4, a first movable measuring head 4-1 and a second movable measuring head 4-2, wherein the indicating gauge is arranged on the main body of the standard ring gauge 1, the tail end of the standard ring gauge is fixedly connected with the positioning guard bridge 3, the positioning guard bridge 3 is fixedly connected with the measuring device 4, the measuring device 4 is cylindrical, the first movable measuring head 4-1 is arranged at one end of the measuring device 4, the second movable measuring head 4-2 is arranged at the other end of the measuring device, and the using process is as follows: before measurement, a corresponding measuring range measuring head and a standard ring gauge 1 are selected according to the size of a workpiece to be measured, the zero position of an indicating table 2 is adjusted by the standard ring gauge 1, when the zero position of the standard ring gauge 1 is adjusted to measure the aperture, a movable measuring head swings in the radial direction to find the maximum value, swings in the axial direction to find the minimum value, detects the size change of a spline in the 90-degree direction and the up-down variation of the spline, and knows the ellipse and the taper of the spline. The indicating meter is connected to the standard ring gauge, so that the detection data of the workpiece can be read on site, and the detection efficiency is improved.
Example 2: on the basis of the embodiment 1, as shown in fig. 1 or 2, the first movable probe 4-1 is cylindrical and has a step, and the contact end of the first movable probe and the workpiece to be detected is spherical. The diameter a of the cylinder is 3.5mm, the radius b of the ball head is 0.8mm, and after heat treatment, the hardness reaches more than HV650, and the surface roughness is 0.4.
Example 3: on the basis of the embodiment 1, as shown in fig. 1 or 2, the second movable probe 4-2 is cylindrical, and is spherical with the workpiece contact end to be detected. The diameter c of the cylinder is 5mm, the radian d at the sharp angle is 40 degrees, the size and the process requirements of the ball head are the same as those of the first movable measuring head, and the surface roughness is 0.4.
Example 4: on the basis of the embodiment 1, as shown in fig. 1 or 2, the sizes of the first movable measuring head 4-1, the second movable measuring head 4-2 and the positioning guard bridge 3 are designed according to the spline parameters of the workpiece. Such as: firstly, the number of teeth of a spline of an 1138122000002 middle flange is 22 teeth, the major diameter is 59.9mm, the tolerance requirement is-0.03-0.065, a measuring scale with the measuring range of 50-160 is selected, a movable measuring head suitable for the major diameter is designed according to the difference of the major diameter and the minor diameter of 5mm, the specific size is that the height e of the first movable measuring head is 4.5mm, the distance f between a ball head and a central shaft is 28.5mm, and the length g of the measuring device is 60.6 mm; second, HFC1061 slip yoke spline parameters: the modulus is 2.5, the number of teeth is 18, the center distance is 30mm, the type of the accessory is EQ140, the major diameter is 48.5mm, the tolerance requirement is 0-minus 0.046mm, a measuring scale with the measuring range of 35-50 is selected, a movable measuring head suitable for the major diameter is designed according to the difference of the major diameter and the minor diameter, the specific size is that the height e of the first movable measuring head is 4.5mm, the distance f between a ball head and a central shaft is 30mm, and the length g of the measuring device is 49.2 mm.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (3)
1. The utility model provides an internal spline major diameter measuring device which characterized in that: the measuring device mainly comprises a standard ring gauge (1), an indicating meter (2), a positioning guard bridge (3), a measuring device (4), a first movable measuring head (4-1) and a second movable measuring head (4-2), wherein the indicating meter (2) is arranged on a main body of the standard ring gauge (1), the tail end of the standard ring gauge is fixedly connected with the positioning guard bridge (3), the positioning guard bridge (3) is fixedly connected with the measuring device (4), the measuring device (4) is cylindrical, one end of the measuring device is provided with the first movable measuring head (4-1), the other end of the measuring device is provided with the second movable measuring head (4-2), and when the zero position measuring aperture of the standard ring gauge (1) is adjusted, the first movable measuring head (4-1) and the second movable measuring head (4-2) are used for finding the maximum value in the swinging mode in the radial direction and finding.
2. The internal spline major diameter measuring device according to claim 1, wherein: the first movable measuring head (4-1) is cylindrical and provided with a step, and the contact end of the first movable measuring head and the workpiece to be detected is spherical.
3. The internal spline major diameter measuring device according to claim 1, wherein: the second movable measuring head (4-2) is cylindrical, and the contact end of the second movable measuring head and the workpiece to be detected is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157025.3U CN211503945U (en) | 2019-12-05 | 2019-12-05 | Internal spline major diameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922157025.3U CN211503945U (en) | 2019-12-05 | 2019-12-05 | Internal spline major diameter measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503945U true CN211503945U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922157025.3U Active CN211503945U (en) | 2019-12-05 | 2019-12-05 | Internal spline major diameter measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211503945U (en) |
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2019
- 2019-12-05 CN CN201922157025.3U patent/CN211503945U/en active Active
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