Measuring equipment and method for measuring size of shell
A technology for measuring equipment and casings, which is applied in the field of measuring equipment for measuring the dimensions of casings, can solve the problems of high environmental requirements, large equipment footprint, and high investment costs, and achieves a small footprint, low equipment investment costs, and high cost. good measurement results
Pending Publication Date: 2021-12-10
SHANGHAI GKN DRIVE SYST
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Problems solved by technology
At present, the measurement of the above-mentioned dimensions relies on a three-coordinate measuring instrument. The equipment occupies a large area and has relatively high environmental requirements, resulting in relatively high input costs.
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[0091] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0092] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, there is no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. within the scope of technical content. At the same time, terms such as "upper", "lo...
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The invention relates to measuring equipment and method for measuring the size of a shell. The measuring equipment comprises a positioning base, a guide device, a support, a linear driving mechanism for driving the support to move left and right, and a first hole center measuring unit installed on the support. A shell positioning plane is arranged on the positioning base, a plane which vertically penetrates through the center of the shell positioning plane and extends in the left-right direction is a guide reference plane, the positioning base is used for installing the shell, the shell positioning plane is in contact and attached to the end face of the shell, and the positioning base is further provided with a positioning mechanism. The guide device is used for enabling the axis of the first inner hole to be located on the guide datum plane. The first hole center measuring unit comprises an upper lever and a lower lever which are symmetrically arranged, a displacement detection assembly and a rotation driving assembly for driving the levers to rotate, one end of each lever is provided with a contact head, the other end of each lever is provided with a displacement detection point, and the displacement detection assembly is used for measuring the height positions of the displacement detection points of the two levers; and the two contact heads are both positioned in the guide reference surface.
Description
technical field [0001] The invention relates to the field of mechanical measuring equipment, in particular to a measuring equipment and method for measuring the size of a casing. Background technique [0002] In the assembly process of transfer case, final drive, and gearbox assembly, it is usually necessary to control the backlash and preload within a certain tolerance range. To achieve the above assembly accuracy, it is usually necessary to select pads based on the dimensional chain to ensure. Therefore, the assembly line needs to carry out 100% inspection on the relevant shell size, so as to control the backlash and preload to the required accuracy. The distance to the end face of the bearing hole, etc. At present, the measurement of the above-mentioned dimensions relies on a three-coordinate measuring instrument. The equipment occupies a large area and has relatively high requirements on the environment, resulting in relatively high input costs. How to develop a low-co...
Claims
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Login to View More IPC IPC(8): G01B21/00G01B21/02
CPCG01B21/00G01B21/02
Inventor 鲍益智冒朝勇
Owner SHANGHAI GKN DRIVE SYST