Build-up force standard machine with wide range,

A large-scale, superimposed technology, applied in the direction of calibration/testing of force/torque/power measuring instruments, measuring devices, weighing equipment testing/calibration, etc., can solve the problem of increasing labor intensity, increasing costs, affecting the accuracy of standard sensors, etc. Problems, to achieve the effect of wide application range, low production cost, and mass production

Active Publication Date: 2012-07-11
绍兴市肯特机械电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also big problems with this method, (1) Multiple standard sensors need to be configured, which increases the cost
(2) Replacing the standard sensor affects the accuracy of the standard sensor (according to the force standard machine verification regulations, replacing the standard sensor requires re-calibration of the force standard machine), and increases labor intensity

Method used

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  • Build-up force standard machine with wide range,
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  • Build-up force standard machine with wide range,

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 As shown, a superimposed force standard machine with a large range of the present invention includes: a main frame 1, a reverser 2, a large-range force-measuring cylinder 3, a small-range force-measuring cylinder 4, and a large-range standard sensor 5-1 , large-range standard sensor meter 5-2, small-range standard sensor 6-1, small-range standard sensor meter 6-2, tested sensor 7-1, tested sensor meter 7-2, servo control system 8, etc. Among them: the main frame 1 is composed of the main frame bottom plate 1-1, the main frame column 1-2, the main frame upper beam 1-3, the reverser 2 is composed of the reverser lower pressure plate 2-1, and the reverser pull rod 2-2 , and the upper platen 2-3 of the reverser is composed.

[0034]The large-range force-measuring cylinder 3 is installed on the main frame bottom plate 1-1, and the measured sensor 7-1 is installed on the lower pressure plate 2-1 of the reverser. -1 is separated, and the large-range force me...

Embodiment 2

[0042] figure 2 Another embodiment of the present invention is shown. In this embodiment, the large-range standard sensor 5-1 is composed of three sensors connected in parallel, and is installed on the lower platen 2-1 of the reverser 2. Its working mode Same as Example 1.

[0043]

Embodiment 3

[0045] image 3 It is an embodiment of the present invention that adopts a dual-purpose structure of tension and compression. The difference between it and Embodiment 1 is that: the main frame 1 has a main frame middle beam 1-4, and the reverser 2 has a reverser middle pressure plate 2- 4. A large-range standard sensor reverse pull rod 9 is set on the large-range standard sensor 5-1, and the small-range force-measuring cylinder 4 and the large-range force-measuring cylinder 3 respectively pass through the middle pressure plate 2-4 of the reverser and the reverser The upper platen 2-3 exerts force, but its force measurement principle is the same as figure 1 The structures shown are exactly the same, and the detection of the pulling force of the measured sensor 7-1 is realized by a large-range standard sensor reverse pull rod 9 arranged on the large-range sensor 5-1, and the large-range force sensor 5-1 Between the base plate 1-1 of the mainframe frame is a tension test space, ...

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PUM

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Abstract

The invention discloses a build-up force standard machine with a wide range, belongs to the technical field of force standard machinery, and is characterized in that the build-up force standard machine comprises a first detecting unit and a second detecting unit, wherein the upper limit of the range of the first detecting unit is in accordance with that of the build-up force standard machine; the lower limit of the range of the first detecting unit is in accordance with the upper limit of the range of the second detecting unit; the lower limit of the second detecting unit is in accordance with that of the build-up force standard machine; the force output directions of the first and the second detecting units are in accordance with each other; and the stress axis of a to-be-detected sensor is overlapped with those of the first and the second detection units. The build-up force standard machine has the advantages of large range, low manufacturing cost and the like.

Description

Technical field: [0001] The invention relates to a superimposed force standard machine with a large range, which is applied to the mechanical performance detection of various weighing sensors, force sensors and force measuring instruments, and belongs to the field of force standard machines. Background technique: [0002] 1. Current status of superimposed force standard machine: [0003] The superimposed force standard machine is a force standard machine that uses a standard force sensor with higher accuracy than the verified force gauge as a standard, is connected in series with the calibrated / verified force sensor, and is loaded hydraulically or mechanically; due to its cost Low cost and high work efficiency, it has been widely used in the mechanical performance testing of various load cells, force sensors, and dynamometers in recent years. [0004] However, limited by the measurement range of the standard force sensor (generally 10% to 100% of the full scale), the cu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G23/01G01L25/00
Inventor 李雪尔杨哲芦李维维李露儿
Owner 绍兴市肯特机械电子有限公司
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