Multipurpose testing fixture suitable for wide-range force standard machine
A standard machine and wide range technology, applied in force/torque/power measuring instrument calibration/testing, measuring devices, instruments, etc., can solve the problems of inconvenient disassembly and achieve the effect of time-consuming, labor-intensive and simple structure
Pending Publication Date: 2022-01-21
山西省检验检测中心
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Problems solved by technology
[0004] In order to solve the problem that the force standard machine needs to be replaced between the large range and the small range when the force standard machine detects the dynamometer, and it is inconvenient to disassemble, it provides an improved multi-purpose force standard machine suitable for wide range. Gage
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[0021] The present invention will be further described below in conjunction with specific examples.
[0022] A multi-purpose inspection tool suitable for wide-range force standard machines, such as figure 1 , Figure 4 and Figure 7~Figure 9 As shown: it includes two U-shaped installation tables 1, upper pull head 3 and pull-down head 4, the bottom surface of the U-shaped installation table 1 is flat, and the bottom surface of the U-shaped installation table 1 is provided with threaded holes 2 for fixing 1. There are a pair of kingpin holes I5 opposite to each other on the two side walls. The upper slider 3 includes an integrally formed rectangular parallelepiped connection part I301 and a U-shaped detection connection part I302. The width of the connection part I301 is the same as the U-shaped The inner wall spacing of the mounting table 1 is matched, and the connecting part I301 body is provided with a kingpin hole II10, and the kingpin hole II10 is along the width directi...
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The invention discloses a multipurpose testing fixture suitable for a wide-range force standard machine, and relates to the field of detection of force standard machines. The fixture comprises two U-shaped mounting tables, an upper pull head and a lower pull head. The bottom surfaces of the U-shaped mounting tables are planes, threaded holes for fixing are formed in the bottom surfaces of the U-shaped mounting tables, a pair of opposite main pin holes I is formed in the two side walls of each U-shaped mounting table, and the upper pull head and the lower pull head are similar in structure and each comprise a cuboid-shaped connecting part and a U-shaped detection connecting part which are integrally formed. The width of the connecting part is matched with the distance between the inner side walls of the U-shaped mounting table, a main pin hole II is formed in a connecting part body, and the main pin hole II is matched with the main pin hole I; a concentric circular plate groove is further formed in the bottom surface of the connecting part II of the lower pull head; the two U-shaped mounting tables are located on the upper portion and the lower portion respectively, openings of the two U-shaped mounting tables are opposite, the upper U-shaped mounting table is connected with an upper pull head through a main pin, and the lower U-shaped mounting table is connected with a lower pull head through a main pin. The testing fixture is simple in structure and is a split type multi-purpose testing fixture, and a large force value testing fixture does not need to be disassembled when the testing fixture is replaced.
Description
technical field [0001] The invention relates to the detection field of force standard machines, in particular to a multi-purpose inspection tool suitable for wide-range force standard machines. Background technique [0002] The checking tool of the force standard machine is the most important force measuring device for verifying and calibrating the force measuring instrument. At present, similar inspection tools at home and abroad have the following shortcomings: they cannot be used in the testing environment of compressive force and tensile force at the same time, and they are extremely picky about the testing specifications of the force gauge. Especially for wide-range force standard machines, testing different dynamometers requires frequent replacement of the gages, and the gages for testing large force gauges are often extremely heavy, time-consuming and laborious to replace and disassemble, and there is a certain risk of accidents . [0003] Therefore, it is necessary...
Claims
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IPC IPC(8): G01L25/00
CPCG01L25/00
Inventor 韩剑高斐刘涛李宏伟王霞赵宇卓
Owner 山西省检验检测中心