Measuring assembly and bucket positioning hole and lug plate measuring device

A technology for measuring components and measuring devices, applied in the field of measuring tools, can solve the problems of difficult and accurate measurement of dimensions, affecting assembly accuracy, etc., and achieve the effect of improving measurement efficiency

Pending Publication Date: 2020-05-19
SHANGHAI SANY HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the welding process of the end face of the bushing and the mounting plate on site, the installation size between the axis of the positioning hole and the mounting plate can often affect the final assembly accuracy
However, the above dimensions are difficult to measure accurately

Method used

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  • Measuring assembly and bucket positioning hole and lug plate measuring device
  • Measuring assembly and bucket positioning hole and lug plate measuring device
  • Measuring assembly and bucket positioning hole and lug plate measuring device

Examples

Experimental program
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Effect test

Embodiment

[0042] Please refer to Figure 1-Figure 4 , the bucket 30 in the figure includes a bucket body and two lugs 31, and the two lugs 31 are welded on the back of the bucket body, and the lugs 31 are connected to the small arm of the excavator through a pin shaft (not shown in the figure). not shown) connection. In order to install the pin shaft, two sets of bushings 32 are arranged on the ear plate 31 , and two bushings 32 in each set of bushings 32 are coaxially arranged. In order to prevent the pin shaft from rotating around its own axis in the shaft sleeve 32, a positioning hole 321 is arranged on the shaft sleeve 32 and the pin shaft, and the positioning hole 321 extends radially along the shaft sleeve 32; Able to lock the pin shaft. Since the distance between the axis of the positioning hole 321 and the right ear plate 31 (refer to the figure) can affect the final assembly accuracy, it is necessary to accurately measure the above distance.

[0043] The positioning hole 321...

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Abstract

The invention provides a measuring assembly and a bucket positioning hole and a lug plate measuring device, and belongs to the field of measuring tools. The measuring assembly is used for measuring the distance between the bucket positioning hole and a lug plate and comprises a limiting rod and a measuring scale, and the cross section of the limiting rod is rectangular. The limiting rod is used for being inserted into the positioning hole so that the limiting rod is internally connected to the positioning hole; and one end of the measuring scale is used for penetrating through a pin shaft holeto abut against the limiting rod. The measuring device comprises a main beam and the two measuring assemblies. The main beam extends in the length direction of the measuring scale. The limiting rodsof the two measuring assemblies are rotatably connected with the main beam. After the measuring assembly is adopted, the problem that the circle center of the positioning hole is difficult to determine is effectively solved; and the whole measurement process is convenient to operate and the measurement result error is small.

Description

technical field [0001] The invention relates to the field of measuring tools, in particular to a measuring assembly, a bucket positioning hole and an lug plate measuring device. Background technique [0002] When the bucket is installed and used on the excavator, most of the back door of the bucket is provided with two parallel and spaced ear plates, and two sets of bushings are welded on the ear plates; each set of bushings is coaxially arranged. The pin shaft passes through the corresponding bushing and the small arm installation part of the excavator. In order to limit the rotation of the pin shaft on the shaft sleeve, positioning holes are generally machined on the shaft sleeve and the pin shaft in the radial direction, and the positioning pin can limit the rotation of the pin shaft after passing through the positioning holes on the shaft sleeve and the pin shaft . However, during the welding process between the end face of the shaft sleeve and the mounting plate on si...

Claims

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Application Information

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IPC IPC(8): G01B5/14
CPCG01B5/14
Inventor 张向忠徐海军王俊杰
Owner SHANGHAI SANY HEAVY IND
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