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An energy storage and reset device for a drop weight testing machine

A technology of drop weight test and drop weight, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of insufficient impact energy and insufficient space for increasing impact energy, and achieve the improvement of drop hammer impact energy, high impact energy, and compact structure Efficient effect

Inactive Publication Date: 2017-05-03
HUNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide an energy storage and reset device for a drop weight testing machine, a drop weight testing machine using electromagnetic induction technology, which provides a new method for solving the problem of insufficient impact energy of a traditional drop weight testing machine, avoiding By improving the quality and height of the falling hammer to increase the impact energy, the lack of space and other problems, using the principle of electromagnetic induction, by changing the discharge voltage to precisely control the impact energy of the falling hammer, can provide high impact energy for the falling hammer. It is an energy storage device for a compact, high-efficiency, high-impact energy drop weight testing machine

Method used

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  • An energy storage and reset device for a drop weight testing machine
  • An energy storage and reset device for a drop weight testing machine
  • An energy storage and reset device for a drop weight testing machine

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Embodiment Construction

[0035] The technical solutions in the embodiments of the present invention will be further illustrated and described below in conjunction with the drawings in the embodiments of the present invention.

[0036] Such as figure 1 It is an overall schematic diagram of the energy storage and reset system of the drop weight testing machine of the present invention, which includes an electromagnetic induction and drive device, a drop weight lifting and reset device, and a drop weight impact device.

[0037] The electromagnetic induction and driving device is composed of the following components: AC power supply 1, step-up transformer 2, capacitor 3, switch 4, rectifier 5, resistor 6, coil 7, driving plate 10, and fixing bolts 18.

[0038] The drop hammer lifting and reset device is composed of the following components: T-shaped positioning column 8, reset buffer spring 9, drag cable 16 and so on.

[0039] The drop hammer impact device is mainly composed of the following components: ...

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Abstract

The invention discloses an energy storage and resetting device of a drop hammer testing machine. The energy storage and resetting device comprises an electromagnetic induction and driving device, a drop hammer lifting and resetting device and a drop hammer impacting device. Compared with a traditional drop hammer testing machine, the energy storage device of the drop hammer testing machine can be used for controlling dropping impact energy of a drop hammer through discharging voltage, and the continuous change of drop hammer impact energy can be realized. The dropping impact energy is improved through increasing the discharging voltage; and under the conditions that drop hammer counter weights are the same and the dropping heights are the same, the impact energy higher than that when a traditional drop hammer machine is adopted can be provided.

Description

technical field [0001] The invention relates to a drop weight testing machine, in particular to an energy storage and reset device of a drop weight impact testing machine based on electromagnetic induction technology, which is used for measuring material properties. Background technique [0002] In the fields of machinery and metal materials, there are often many new structures and new materials that need to know the quality of their impact resistance. The drop weight testing machine is generally used to test the impact resistance of products and study the mechanical properties of products under high-speed impact, which plays an important guiding role in the application of products in real life. During the test, the sample to be tested is generally fixed under the drop weight, the drop weight is raised to a certain height, and then the sample is impacted through the free fall stage, and the impact process and the impact on the sample are observed. In general, the degree of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/303G01N3/02
Inventor 孙光永李光耀崔俊佳康贺贺
Owner HUNAN UNIV
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