Meshing gear centertocenter detection scale
A technology of meshing gear and center distance, applied in the field of meshing gear center distance detection scale, can solve the problem that the center distance of meshing gear does not have practical measuring tools and so on
Inactive Publication Date: 2010-08-25
SHENZHEN LANDWIND IND
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Problems solved by technology
[0012] The technical problem to be solved by the present invention is to provide a measuring scale for the center distance of meshing gears, which overcomes the defect that there is no practical measuring tool for the center distance of meshing gears in the prior art
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[0026] Below according to accompanying drawing and embodiment the present invention will be described in further detail:
[0027] As shown in Figure 4, it is difficult to measure the center distance of the meshing gears of the digital radiography system transmission assembly during the assembly process.
[0028] As shown in Figure 5, the measuring scale of the meshing gear center distance of the present invention includes a ruler plate 6, and one side of the ruler plate 6 has a concave contour line, and the concave contour line includes an arc 61 and an arc 62, and the circle The center of circle 63 of the arc 61 and the center of circle 64 of the arc 62 are all located on the line connecting the endpoints at the two ends of the concave contour line, and the distance between the center of circle 63 of the arc 61 and the center of circle 64 of the arc 62 is equal to the point where the arc 61 is located. The sum of the radius of the degree circle and the radius of the arc 62 pl...
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The invention discloses a meshing gear centertocenter detection scale which comprises a scale plate. One side of the ruler plate is provided with a concave contour line which comprises a first circular arc and a second circular arc. Centers of the first circular arc and the second circular arc are both arranged on an endpoint connecting line between two ends of the concave contour line. The distance between the center of the first circular arc and the center of the second circular arc is equal to the sum of the radium of a reference circle of the first circular arc and the radium of a reference circle of the second circular arc. The meshing gear centertocenter detection scale changes a linear laminating alignment way of a conventional measurement tool, adopts an arc laminating alignment working way and provides a fast and accurate measurement tool for the measurement of the meshing gear centertocenter. The scale can also be applied to the centertocenter detection of a transmission pulley, a sprocket and an attrition wheel. Therefore, the scale is a great progress in gear centertocenter detection tools.
Description
technical field [0001] The invention relates to a measuring tool, in particular to a measuring scale for measuring the center distance of meshing gears. Background technique [0002] As shown in Figure 1, the digital radiography system includes a column 1 and a UC arm 2. Ball tubes 3 and DR detectors 4 are respectively installed at both ends of the UC arm 2. Up and down vertical movement. The tube 3 emits X-rays and penetrates the human body to form an image, which is received by the DR detector 4 on the other side of the UC arm 2 and converted into a digital signal, which is transmitted to the computer monitor to generate an image of the internal structure of the human body, which is used for patient inspection, diagnosis. [0003] As shown in FIG. 2 and FIG. 3 , what drives the UC arm 2 to move is the transmission assembly 5 , which includes a large gear 51 and a small gear 52 meshing with each other. [0004] The center distance between the large gear 51 and the pinion...
Claims
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IPC IPC(8): G01B5/14
Inventor 滕久宏
Owner SHENZHEN LANDWIND IND