Step type measurement auxiliary platform

Abstract

The utility model provides a step-type measurement auxiliary platform, and relates to the technical field of workpiece measurement, the platform comprises a step base, a limiting pin, a differential platform fixed on the step base through the limiting pin, and a fine tuning nut used for cooperating with the limiting pin to fix the differential platform, the step base is of a three-dimensional structure, and the fine tuning nut is of a three-dimensional structure. And a plurality of working surfaces with different heights are arranged. The step-type measurement auxiliary platform is simple in structure, convenient to operate and easy to realize, can solve the problems of high cost and low efficiency of an original measurement method using a special supporting piece or a reference conversion method, and can be expanded into a two-dimensional measurement instrument such as a projector, a flash tester and the like for direct measurement through the measurement instrument of the step-type measurement auxiliary platform. And the original measurement time is shortened to 8-10min from the original measurement time greater than or equal to 20min, so that the measurement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece measurement technical field, and especially provide a step type measurement auxiliary platform. BACKGROUND

[0002] As Figure 2 As shown in the drawing, the heat dissipation plate both sides have boss and recess, design reference is big plane, cannot use projector or flash gauge etc. two -dimensional measuring tool to the position degree of the through -hole on the heat dissipation plate directly measures, can only use special support or through reference conversion method to measure it. SUMMARY

[0003] The purpose of the present application is to solve the problem that the prior art can only use special support or through reference conversion method to measure the position degree of the through -hole on the heat dissipation plate, shell and other uneven structure parts with boss and recess when measuring.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a step type measurement auxiliary platform, the platform includes: step base, limit pin, differential platform fixed on step base through limit pin and fine adjustment nut for fixing differential platform with limit pin.

[0005] The step base is a three-dimensional structure and is provided with a plurality of working surfaces of different heights.

[0006] The step type measurement auxiliary platform provided by the utility model also has the following technical features: the step base is a three-dimensional Z-shaped structure, and all views of the step base are L-shaped structures.

[0007] The step type measurement auxiliary platform provided by the utility model also has the following technical features: the fine adjustment nut is riveted to the step base.

[0008] The step type measurement auxiliary platform provided by the utility model also has the following technical features: the step base is provided with a semicircular hole, and the limit pin is inserted into the semicircular hole.

[0009] The step type measurement auxiliary platform provided by the utility model also has the following technical features: the step base is provided with a through hole, and the differential platform is connected to the fine adjustment nut after passing through the through hole.

[0010] The step type measurement auxiliary platform provided by the utility model also has the following technical features: the differential platform is provided with a key groove matched with the limit pin, and the differential platform moves along the axial direction of the limit pin by adjusting the fine adjustment nut.

[0011] Beneficial effects

[0012] The step type measurement auxiliary platform provided by the utility model has simple structure, convenient operation and easy realization, can solve the problems of high cost and low efficiency of original special support or reference conversion measurement method, can directly measure by using two-dimensional measurement instruments such as projectors and flash meters through the utility model measurement instrument expansion, and shortens the original measurement time of 20 min to 8-10 min, thereby improving the measurement efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0014] Figure 1 The structural schematic diagram of the step type measurement auxiliary platform provided by the utility model embodiment is shown in the figure.

[0015] Figure 2 The structural schematic diagram of the part to be measured is shown in the figure.

[0016] Figure 3a The step surface work graph when a group of step type measurement auxiliary platforms are used is shown in the figure.

[0017] Figure 3b The step surface work graph when two groups of step type measurement auxiliary platforms are used is shown in the figure.

[0018] Figure 3c The differential platform workbench when a group of step type measurement auxiliary platforms are used is shown in the figure.

[0019] In the figure, 1 is a step base, 2 is a fine adjustment nut, 3 is a differential platform, and 4 is a limit pin. DETAILED DESCRIPTION

[0020] The present application will be further described in detail in combination with the drawings and embodiments. It should be noted that these embodiments are not limitations of the present application, and equivalent changes or substitutions of functions, methods or structures made by those skilled in the art according to these embodiments are within the protection scope of the present application.

[0021] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0023] The terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0024] As shown in Figures 1-2 The present application provides a stepped measurement auxiliary platform, which comprises a stepped base 1, a limit pin 4, a differential platform 3 fixed on the stepped base 1 through the limit pin 4, and a fine adjustment nut 2 for cooperating with the limit pin 4 to fix the differential platform 3,

[0025] The stepped base 1 is a three-dimensional structure, and is provided with a plurality of working surfaces of different heights.

[0026] In use, according to the height of the reference surface of the part to be measured and the height of the boss surface, the appropriate height of the working surface on the stepped base 1 is selected or the differential platform is used, as shown in Figure 3a 、 Figure 3b or Figure 3c A group of measurement auxiliary platforms are selected or several groups of measurement auxiliary platforms are selected at the same time, and the design reference surface of the part to be measured is taken as the measurement reference surface for measurement.

[0027] In some embodiments, the stepped base 1 is a three-dimensional Z type, and all views of the stepped base 1 are L type structures.

[0028] In some embodiments, the fine adjustment nut 2 is riveted with the stepped base 1. The center axis of the riveted fine adjustment nut 2 coincides with the center of the fitting hole of the stepped base 1, so as to ensure that the fine adjustment nut 2 can rotate around the fitting hole to adjust the differential platform 3.

[0029] In some embodiments, the stepped base 1 is provided with a semicircular hole, and the limiting pin 4 is inserted into the semicircular hole.

[0030] In some embodiments, the stepped base 1 is provided with a through hole, and the differential platform 3 is connected with the fine adjustment nut 2 through the through hole.

[0031] In some embodiments, the differential platform 3 is provided with a key groove matched with the limiting pin 4, and the differential platform 3 moves along the axial direction of the limiting pin 4 by adjusting the fine adjustment nut 2.

[0032] In some embodiments, the material of the stepped base 1 is GCr15, the heat treatment hardness is HRC58-65, the surface roughness is Ra0.8μm, and the stepped base 1 is in a three-dimensional Z shape. The stepped surfaces are respectively located at the upper end and the lower end, and there is a counterbore at the position parallel to the lower end surface. There is a semicircular key groove adjacent to the counterbore. The material of the fine adjustment nut 2 is GCr15, the heat treatment hardness is HRC58-65, the surface roughness is Ra0.8μm, and the fine adjustment nut 2 has a step at the upper end, the diameter of the step is Φd, and the step is riveted and fitted with the counterbore of the stepped base 1. The lower end surface is knurled, and there is a threaded through hole in the middle for connecting the differential platform 3. The material of the differential platform 3 is GCr15, the heat treatment hardness is HRC58-65, the surface roughness is Ra0.8μm, and the differential platform 3 has a standard circular platform at the upper end, the diameter of the circular platform is Φ D There is a semicircular key groove on the side surface of the circular platform for matching with the limiting pin 4, and there is a connecting circular shaft in the middle of the lower end of the circular platform. The outer side surface of the shaft is a metric threaded structure matched with the fine adjustment nut 2. The material of the limiting pin 4 is GCr15, the heat treatment hardness is HRC58-65, the surface roughness is Ra0.8μm, and the limiting pin 4 is in a circular shaft shape with a diameter of Φd. The limiting pin 4 is matched with the semicircular key groove on the differential platform 3 to limit the rotation of the differential platform 3.

[0033] The working principle of the stepped measurement auxiliary platform provided by any of the foregoing embodiments is as follows:

[0034] The fine adjustment nut 2 is riveted through the matching hole of the stepped base 1, and the center axis of the fine adjustment nut 2 after riveting coincides with the center of the matching hole of the stepped base 1, so as to ensure that the fine adjustment nut 2 can rotate with the hole center as the center; the limiting pin 4 is inserted into the semicircular hole matched with the stepped base 1; then the differential platform 3 is inserted into the threaded hole matched with the fine adjustment nut 2, and is connected with the fine adjustment nut 2 through threads, and the key groove on the differential platform 3 is matched with the limiting pin 4. According to the heat dissipation plate characteristics and the boss height of the measured object, a suitable group or several groups of stepped measurement auxiliary platforms are selected, the design reference is placed on the stepped surface or the differential platform of the stepped measurement auxiliary platform as the measurement reference, finally, a two-dimensional measuring instrument such as a projector or a flash gauge is directly used to measure the hole position degree of the measured object heat dissipation plate.

[0035] As shown in Figure 3a , Figure 3b , Figure 3c During the measurement process, the stepped measurement auxiliary platform directly uses the design reference of the measured object as the measurement reference, and converts the measured position degree into two-dimensional measurement by using the relationship between three-dimensional and two-dimensional.

[0036] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The above only describes the preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and variations can be made, and these improvements and variations should be regarded as the protection scope of the present application.

Claims

1. A stepped measurement assistance platform, characterized by, The platform comprises a step base, a limiting pin, a differential platform fixed on the step base by the limiting pin, and a fine adjustment nut for fixing the differential platform with the limiting pin, The step base is a three-dimensional structure and is provided with a plurality of work surfaces with different heights.

2. The stepped measurement assistance platform of claim 1, wherein, The step base is a three-dimensional Z-shaped structure, and all views of the step base are L-shaped structures.

3. The stepped measurement assistance platform of claim 1, wherein, The fine adjustment nut is riveted with the step base.

4. The stepped measurement aid platform of claim 1, wherein, The step base is provided with a semicircular hole, and the limiting pin is inserted into the semicircular hole.

5. The stepped measurement aid platform of claim 1, wherein, The step base is provided with a through hole, and the differential platform is connected with the fine adjustment nut after passing through the through hole.

6. The stepped measurement assistance platform of claim 5, wherein, The differential platform is provided with a key groove matched with the limiting pin, and the differential platform moves along the axial direction of the limiting pin by adjusting the fine adjustment nut.

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