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Bicycle rack measuring method

A bicycle frame and measurement technology, which is applied to measurement devices, instruments, optical devices, etc., to achieve the effect of improving reliability and accuracy, and fast and convenient measurement process

Inactive Publication Date: 2018-08-03
CYCLING & HEALTH TECH IND R & D CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] As can be seen from the above, the measurement method of the present invention uses image recognition to measure the relevant data (such as offset) of the parts to be measured (such as the head tube and the rear axle tool) of the bicycle frame, which can not only overcome the There are problems with manual measurement, and the measurement process is faster and more convenient, and the reliability and accuracy can be effectively improved

Method used

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Embodiment Construction

[0028] The technical content and characteristics of the present invention will be described in detail below by referring to several preferred embodiments in conjunction with the accompanying drawings. Directions such as "front", "rear", "upper" and "lower" mentioned in the content of this specification The adjectives are only illustrative descriptions based on the normal use direction of the bicycle rack 10, and are not intended to limit the scope of claims

[0029] Please see first figure 2 , the bicycle frame 10 shown in the figure comprises a head tube 12 and a pair of chainstays 14, please refer to figure 1 , the present invention comprises the following steps for the measurement method of bicycle frame 10:

[0030] a) if image 3 As shown, the bicycle frame 10 is fixed on a working platform 20 , and a rear axle tool 30 is fixed on the chainstay 14 of the bicycle frame 10 . In addition, the working platform 20 is provided with a front camera 40, an upper camera 42 and ...

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Abstract

The invention discloses a bicycle rack measuring method. The bicycle rack measuring method comprises the steps of firstly, fixing a bicycle rack on a working platform, then mounting a rear wheel shafttool on a rear lower fork of the bicycle rack, utilizing a front camera to capture a front-view image of a head tube, utilizing an upper camera to capture an upper-view image of the rear wheel shafttool, utilizing a rear camera to capture a rear-view image of a rear wheel shaft, analyzing the captured images to obtain a front-view axis of the head tube, the upper-view axis of the rear wheel shaft tool and the rear-view axis of the rear wheel shaft, comparing the front-view axis of the head tube with a preset datum line, comparing the upper-view axis of the rear wheel shaft tool with a presetdatum line, comparing the rear-view axis of the rear wheel shaft with a preset datum line, and further judging whether included angle among the axes are within an acceptable range. Thereby, the bicycle rack measuring method has the advantages of fast operation and high precision.

Description

technical field [0001] The invention relates to the measurement technology of the bicycle frame, in particular to a measurement method of the bicycle frame. Background technique [0002] Regardless of whether it is a metal frame or a carbon fiber frame, both may cause the frame to shift and deform due to poor workmanship. Therefore, each frame factory will randomly test some frames during the frame production process. The measurement (such as offset). However, the current measurement methods are mainly operated by the measurement personnel with calibration tools and measurement tools (such as height gauges), but the professional level of each measurement personnel is different. The location of the energy measurement is limited, so the manual measurement method is not only too time-consuming, but also prone to large errors in the measurement results of the frame. Contents of the invention [0003] The main purpose of the present invention is to provide a method for measur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/02G01B11/16
Inventor 陈淳和廖忠義王铭宏
Owner CYCLING & HEALTH TECH IND R & D CENT
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