A circumference measuring device and its large and small number conversion mechanism
A measuring device and large number technology, applied in the direction of measuring devices, mechanical measuring devices, mechanical devices, etc., can solve the problems of easy slipping, affecting the accuracy of measurement, and the failure of normal operation of equipment, so as to avoid the effect of slipping
Active Publication Date: 2018-03-20
冯广建
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Problems solved by technology
However, the above-mentioned clutch uses friction to drive the slider of the decimal ruler. After a long time of use, it is prone to slipping, affecting the accuracy of measurement, and even causing the equipment to fail to operate normally.
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Embodiment Construction
[0051] refer to figure 1 , figure 2, The preferred embodiment provided by the present invention is a measuring device for measuring the length of a linear building material, including a measuring wire wheel 1, a large number ruler, a small number ruler and a small number conversion mechanism.
[0052] refer to Figure 3 to Figure 7 A transmission shaft 2 is fixedly arranged on the said circumferential ruler wire wheel 1, and the circumferential ruler wire wheel 1 is driven to rotate by the linear building material being conveyed, and is used for measuring the length of the passing material. The transmission shaft 2 is provided with a small-to-digital conversion mechanism, and the small-to-digital conversion mechanism includes a large scale drive gear 3 , a small scale drive gear 4 and a toothing transmission device 5 . Among them, the large scale drive gear 3 and the small scale drive gear 4 are sleeved on the transmission shaft 2, but do not follow the transmission shaft 2...
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The invention discloses a circumference measuring device for measuring the length of linear building materials and its large and small number conversion mechanism. The large and small number conversion mechanism includes a large scale drive gear, a small scale drive gear and a toothing transmission device, and the tooth transmission device can be meshed with one of the large scale drive gear or the small scale drive gear respectively. The large and small number conversion mechanism of the present invention is connected and driven in a toothing mode, which effectively avoids slipping. However, the circumference measurement device using the above-mentioned large and small number conversion mechanism can accurately measure the length of the linear building material passing through the circumference scale wire wheel, and can also trigger the next step when the linear building material reaches the preset length value. This design is all completed by machinery fully automatically, which not only brings the advantages of fully automatic control, but also avoids the disadvantages of unstable and easily damaged electronic equipment.
Description
technical field [0001] The invention relates to the field of building material processing equipment, in particular to a circumference ruler measuring device for measuring the length of linear building materials and a size conversion mechanism thereof. Background technique [0002] A large number of steel bars and stirrups processed from steel bars are widely used in modern construction projects. Steel bars are usually stored and transported in the form of coils. Before use, they must be straightened, cut to length, and some of them need to be bent. Steps form stirrups. Before the steel bar is cut or bent, the length needs to be measured, and when the length meets the engineering requirements, it is then cut or bent. Existing steel bar processing equipment is usually equipped with an electronic measuring instrument. After the length of the steel bar is measured by the probe of the electronic measuring instrument, it is fed back to the numerical control equipment to control t...
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IPC IPC(8): G01B5/02
Inventor 冯广建
Owner 冯广建