CN216308865U - Locomotive axle conicity measuring device - Google Patents
Locomotive axle conicity measuring device Download PDFInfo
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- CN216308865U CN216308865U CN202122309303.XU CN202122309303U CN216308865U CN 216308865 U CN216308865 U CN 216308865U CN 202122309303 U CN202122309303 U CN 202122309303U CN 216308865 U CN216308865 U CN 216308865U
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Abstract
An axle taper measuring device comprises an axle taper standard sample piece and a taper measuring tool, wherein the taper standard sample piece is a section of an axle with taper which is formed by finish machining and is used for comparison calibration of the taper measuring tool; the taper measuring tool consists of a groove-shaped measuring bracket, a measuring point positioning rod, two dial indicators and a handle. When the axle taper is measured, the axle taper measuring tool is placed on a taper standard sample, two dial gauges are calibrated and reset to zero, a measuring point positioning rod is positioned, and then the locomotive axle taper is measured by an indirect measuring method. The advantages are that: convenient use, high measurement accuracy, high efficiency and low manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of locomotive manufacturing, and particularly relates to locomotive axle taper measurement.
Background
The axle of the locomotive has a section with taper, the taper is 1: 50 generally, is used for assembling a driving gear, and has strict requirements on the dimension of the taper section, so the accurate measurement of the taper of the axle is particularly important.
In the existing axle taper measuring method, an outside micrometer is generally adopted for measuring, a step which is closest to a taper section is selected on an axle as a reference, positions of taper large-end and taper small-end measuring points are measured and identified by a steel plate ruler, and then the sizes of the taper large-end and the taper small-end are respectively measured by the outside micrometer at the measuring points.
Disclosure of Invention
The utility model aims to provide a locomotive axle taper measuring device which is used for solving the technical defect that the axle taper needs to be measured for many times.
The technical solution of the utility model is realized as follows: the utility model provides an axletree tapering measuring device, includes axletree tapering standard sample spare and tapering measurement frock, its characterized in that: the taper standard sample piece is a section of the finish-machined axle with taper, and comprises a reference step closest to the taper section, the diameter size tolerance of a taper large end and a taper small end of a taper measuring point is one fifth of that of a finished axle, the reference calibration measurement is used as a taper measuring tool, the basic size of the diameter of the taper large end is expressed as 2R, and the basic size of the diameter of the taper small end is expressed as 2R; the taper measuring tool consists of a groove-shaped measuring bracket, a measuring point positioning rod, two dial indicators and a handle; the cross section of the groove-shaped measuring bracket is isosceles trapezoid and is made of gauge steel, the material is preferably CrWMn, CrMn and Cr20, the wall thickness of the groove-shaped measuring bracket is 10-25 mm thick, the length is the sum of the distance between the taper measuring points at the large end and the small end and 10-30 mm, the included angle between the waist and the lower bottom of the isosceles trapezoid on the inner side of the cross section of the groove-shaped measuring bracket is preferably 60 degrees, and the length of the lower bottom is preferably isosceles trapezoid
The height of the isosceles trapezoid is R plus 5-15 mm, two dial indicator mounting holes are processed on the axial central line of the top surface of the groove-shaped measuring bracket and used for mounting dial indicators, the hole diameter is consistent with the diameter of a shaft sleeve of a measuring rod of the dial indicator, the distance between the holes is the distance between taper large-end and taper measuring points of the small end, the mounting holes are perpendicular to the top surface of the groove-shaped measuring bracket and are used for measuringKeeping the top surface of a groove-shaped measuring support to be parallel to the axis of a locomotive axle, processing the top surface of the groove-shaped measuring support into an inclined plane with one thick end and the other thin end, taking the section thickness of a taper measuring point with a large taper end as a reference, adding 2 x (R-R) to the section thickness of the taper measuring point with a small taper end, processing two jackscrew holes at the top centers of the end surfaces at two sides of the groove-shaped measuring support for fixing a dial indicator, wherein a positioning rod screw hole is formed in the end surface at one end of the groove-shaped measuring support for installing a measuring point positioning rod, and the top surface of the groove-shaped measuring support, and two handle installing holes are also processed for installing a handle, wherein an isosceles surface at the inner side of the groove-shaped measuring support is a measuring surface, the roughness is preferably Ra0.4-0.8, the hardness is preferably HRC 45-50, and the groove-shaped measuring support is provided with a lightening hole for lightening the weight of a taper measuring tool; the measuring point positioning rod is a steel rod with the diameter of about 15mm, one end of the steel rod is welded with a rectangular small steel plate, the other end of the steel rod is turned into a screw rod, the screw rod is fixed on the end face of one side of the groove-shaped measuring support and used for positioning the taper measuring point by taking the axle reference step as a reference; the dial indicators are two dial indicators with the measuring range of 5mm, are arranged on the mounting hole at the top of the groove-shaped measuring bracket, and are fixed by a jacking screw after the position is adjusted; the handle is arranged at the top of the groove-shaped measuring bracket, and is convenient to move during measurement.
The utility model relates to a measuring method of a locomotive axle conicity measuring device, which is characterized in that: when the axle taper is measured, the axle taper measuring tool is placed on a taper standard sample, two dial indicators are calibrated and reset to zero, and after the measuring point positioning rod is positioned, the locomotive axle taper is measured by an indirect measuring method.
The utility model has the advantages that:
1. convenient to use, measurement accuracy height, measurement of efficiency height.
2. The manufacturing cost is low.
Drawings
Fig. 1 is a view of a taper master.
Fig. 2 is a view of a taper measuring tool.
Figure 3 is a front view of a channel measuring bracket.
Figure 4 is a top view of a channel measurement bracket.
Figure 5 is a left side view of the channel shaped measurement bracket.
Fig. 6 is a view of an axle taper measuring device.
In the figure: 1. the taper standard sample piece comprises 1.1 taper standard sample pieces, 1.2 taper measuring points, 2 taper measuring tools, 2.1 groove type measuring supports, 2.1.1 dial indicator mounting holes, 2.1.2 jack screw holes, 2.1.3 positioning rod screw holes, 2.1.4 handle mounting holes, 2.1.5 lightening holes, 2.2 measuring point positioning rods, 2.3 dial indicators, 2.4 handles.
Detailed Description
The utility model is further illustrated with reference to the figures and examples.
The axle taper measuring device of the embodiment comprises an axle taper standard sample part 1 and a taper measuring tool 2, and is characterized in that: the taper standard sample 1 is a section of the finish-machined axle with taper, and comprises a reference step 1.1 closest to the taper section, the diameter size tolerance of a taper large end and a taper small end of a taper measuring point 1.2 is one fifth of that of a finished axle, the diameter size tolerance is used as the comparison calibration measurement of a taper measuring tool 2, the basic size of the diameter of the taper large end is expressed as 2R, and the basic size of the diameter of the taper small end is expressed as 2R; the taper measuring tool 2 consists of a groove-shaped measuring bracket 2.1, a measuring point positioning rod 2.2, two dial indicators 2.3 and a handle 2.4; the section of the groove-shaped measuring support 2.1 is isosceles trapezoid, the groove-shaped measuring support is made of measuring tool steel, the material is preferably CrWMn, CrMn and Cr20, the wall thickness of the groove-shaped measuring support 2.1 is 10-25 mm thick, the length is the sum of the distance between the taper measuring points 1.2 of the large end and the small end of the taper and 10-30 mm, the isosceles trapezoid on the inner side of the section of the groove-shaped measuring support 2.1 is preferably 60 degrees of the included angle between the waist and the lower bottom, and the length of the lower bottom is preferably isosceles trapezoid
The height of the isosceles trapezoid is R plus 5 mm-15 mm, two dial indicator mounting holes 2.1.1 are processed on the axial central line of the top surface of the groove-shaped measuring bracket 2.1 and used for mounting the dial indicators 2.3, the hole diameter is consistent with the diameter of a shaft sleeve of a measuring rod of the dial indicator, the distance between the holes is the distance between taper large-end taper measuring points 1.2 and taper small-end taper measuring points 1.2, and the mounting holes are perpendicular to the top surface of the groove-shaped measuring bracket 2.1The top surface of the groove-shaped measuring bracket 2.1 is processed into an inclined plane with one thick end and the other thin end in order to keep the top surface of the groove-shaped measuring bracket 2.1 parallel to the axle line of the locomotive during measurement, taking the section thickness of the taper measuring point 1.2 of the taper large end as a reference, adding 2 x (R-R) to the section thickness of the taper measuring point 1.2 of the taper small end, processing two jackscrew holes 2.1.2 at the centers of the top parts of the end surfaces at two sides of the groove-shaped measuring bracket 2.1, used for fixing the dial indicator, one end face of a groove-shaped measuring bracket 2.1 is provided with a positioning rod screw hole 2.1.3, is used for installing a measuring point positioning rod, the top surface of a groove-shaped measuring bracket 2.1 and two handle installing holes 2.1.4 are also processed, the handle is used for mounting a handle, an isosceles surface on the inner side of the groove-shaped measuring support 2.1 is a measuring surface, the roughness is preferably Ra0.4-0.8, the hardness is preferably HRC 45-50, and the groove-shaped measuring support 2.1 is provided with a lightening hole 2.1.5 for lightening the weight of the taper measuring tool 2; the measuring point positioning rod 2.2 is a steel rod with the diameter of about 15mm, one end of the steel rod is welded with a rectangular small steel plate, and the other end of the steel rod is turned into a screw rod and fixed on the end surface of one side of the groove-shaped measuring support 2.1 and used for positioning the position of the taper measuring point 1.2 by taking the axle reference step 1.1 as a reference; the dial indicator 2.3 is two dial indicators 2.3 with the measuring range of 5mm, is arranged on a dial indicator mounting hole 2.1.2 on the top surface of the groove-shaped measuring bracket 2.1, and is fixed by a puller screw after being well adjusted; the handle 2.4 is arranged on the top surface of the groove-shaped measuring support 2.1, and is convenient to move during measurement.
The utility model relates to a measuring method of a locomotive axle conicity measuring device, which is characterized in that: when the axle taper is measured, the axle taper measuring tool 2 is placed on the taper standard sample 1, two dial indicators 2.3 are calibrated and zeroed, a measuring point is positioned and positioned at a position 2.2, and then the locomotive axle taper is measured by an indirect measuring method.
Claims (1)
1. The utility model provides a locomotive axle conicity measuring device, includes that axletree tapering standard sample spare (1) and tapering measure frock (2), its characterized in that: the taper standard sample piece (1) is a section of the finish-machined axle with taper, and comprises a reference step (1.1) closest to the taper section, and the diameter dimensional tolerance of the taper large end and the taper small end of the taper measuring point (1.2) is one fifth of that of the finished axleThe taper measuring tool is used for comparison and calibration measurement of a taper measuring tool (2), the basic size of the diameter of a large taper end is expressed as 2R, and the basic size of the diameter of a small taper end is expressed as 2R; the taper measuring tool (2) consists of a groove-shaped measuring bracket (2.1), a measuring point positioning rod (2.2), two dial indicators (2.3) and a handle (2.4); the cross section of the groove-shaped measuring support (2.1) is isosceles trapezoid and is made of carbon tool steel, the wall thickness of the groove-shaped measuring support (2.1) is 10-25 mm thick, the length is the sum of the distance between the taper measuring points (1.2) at the large end and the small end of the taper and 10-30 mm, the isosceles trapezoid at the inner side of the cross section of the groove-shaped measuring support (2.1) preferably has an included angle of 60 degrees between the waist and the lower bottom, and the length of the lower bottom is preferably the same
The height of an isosceles trapezoid is R plus 5 mm-15 mm, two dial indicator mounting holes (2.1.1) are processed on the axial central line of the top surface of a groove-shaped measuring support (2.1) and used for mounting dial indicators (2.3), the hole diameter is consistent with the diameter of a shaft sleeve of a measuring rod of the dial indicator, the distance between the holes is the distance between a taper large-end taper measuring point and a taper small-end taper measuring point (1.2), the mounting holes are perpendicular to the top surface of the groove-shaped measuring support (2.1), in order to keep the top surface of the groove-shaped measuring support (2.1) parallel to the axis of a locomotive axle during measurement, the top of the groove-shaped measuring support (2.1) is processed into an inclined surface with one thick end and the other thin end, the section thickness of the taper large-end taper measuring point (1.2) is taken as a reference, the section thickness of the taper small-end taper measuring point (1.2) needs to be added with 2 x (R-R), the centers of the top end surfaces at two sides of the groove-shaped measuring support (2.1) are processed with two jackscrew holes (2.1.2) for fixing the dial indicators, a positioning rod screw hole (2.1.3) is formed in the end face of one end of the groove-shaped measuring support (2.1) and used for installing a measuring point positioning rod, the top face of the groove-shaped measuring support (2.1) is also provided with two handle installation holes (2.1.4) for installing handles, the isosceles surface on the inner side of the groove-shaped measuring support (2.1) is a measuring surface, the roughness is preferably Ra0.4-0.8, the hardness is preferably HRC 45-50, and the groove-shaped measuring support (2.1) is provided with a lightening hole (2.1.5) for lightening the weight of the taper measuring tool (2); the measuring point positioning rod (2.2) is a steel rod with the diameter of about 15mm, one end of the steel rod is welded with a rectangular small steel plate, the other end of the steel rod is turned into a screw rod and fixed on the groove-shaped measuring support (2)1) one side end surface is used for positioning the position of the taper measuring point (1.2) by taking the axle reference step (1.1) as a reference; the dial indicators (2.3) are two dial indicators (2.3) with the measuring range of 5mm, are arranged on dial indicator mounting holes (2.1.1) on the top surface of the groove-shaped measuring bracket (2.1), and are fixed by tightening screws after being well adjusted; the handle (2.4) is arranged on the top surface of the groove-shaped measuring support (2.1), and is convenient to move during measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309303.XU CN216308865U (en) | 2021-09-18 | 2021-09-18 | Locomotive axle conicity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122309303.XU CN216308865U (en) | 2021-09-18 | 2021-09-18 | Locomotive axle conicity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216308865U true CN216308865U (en) | 2022-04-15 |
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ID=81112658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122309303.XU Active CN216308865U (en) | 2021-09-18 | 2021-09-18 | Locomotive axle conicity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216308865U (en) |
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2021
- 2021-09-18 CN CN202122309303.XU patent/CN216308865U/en active Active
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