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Percussion drill with magnetic excitation device

An excitation device and percussion drill technology, which is applied in the field of percussion drills, can solve the problems of high noise, low safety, time-consuming and laborious, etc., and achieve the effects of high work efficiency, reduced noise, and improved stamping speed and force

Inactive Publication Date: 2016-03-23
HENAN GUANGDU SUPERHARD MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The current impact drills are all driven by manpower, which is time-consuming, labor-intensive, not safe, and produces a lot of noise, which will affect the work and life of people around them during construction.

Method used

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  • Percussion drill with magnetic excitation device

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Embodiment Construction

[0019] In view of the above problems, the object of the present invention is to provide a percussion drill with an excitation device. On the basis of the traditional percussion drill, the excitation device is added, and the vibration frequency of the percussion drill is changed by changing the frequency of the motor connected to the excitation device, so that Hammer drills work more efficiently and produce less noise.

[0020] In order to achieve the above object, the present invention adopts the following technical solutions

[0021] An impact drill with an excitation device, which includes an impact drill body 1, an excitation device 2, a control circuit 3, a motor 4, a motor drive shaft 5, a transmission gear set 6, a transmission shaft 7, and a drill sleeve 8; wherein the excitation The device 2 includes a motor 21 , a motor output shaft 22 , a bevel gear 23 , a rotating shaft 24 and an eccentric counterweight 25 .

[0022] The hammer drill body 1 is provided with an exci...

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Abstract

The invention relates to the field of electric drills, in particular to a percussion drill with a magnetic excitation device. The percussion drill with the magnetic excitation device, provided by the invention, mainly comprises a percussion drill body, the magnetic excitation device and a control circuit; and the vibration frequency of the percussion drill is changed through changing the frequency of a motor connected to the magnetic excitation device, so that the percussion drill is higher in working efficiency and lower in generated noise. The percussion drill adopts the magnetic excitation device to change the vibrating frequency thereof, changes a manual pressing percussion mode of a traditional percussion drill, is more regular in vibrating frequency in the operation process, increases the percussion speed and dynamics, and reduces the generated noise.

Description

technical field [0001] The invention relates to the field of electric drills, in particular to an impact drill with an excitation device. Background technique [0002] Excitation is the device that supplies stator power to the stator of a generator or synchronous motor. According to the different excitation methods of DC motors, it can be divided into other excitation, parallel excitation, series excitation, compound excitation and other methods. During the rotation of DC motors, excitation is to control the voltage of the stator to change the magnetic field generated and change the speed of DC motors. , changing the excitation also plays a role in changing the speed. [0003] The excitation device refers to the electrical control device that can control and regulate the excitation current in the excitation system of the synchronous generator except for the excitation power supply. Excitation system is an indispensable part of power station equipment. The excitation syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25D17/00B25D17/11
CPCB25D17/00B25D17/11
Inventor 连新兰毛宝占
Owner HENAN GUANGDU SUPERHARD MATERIAL CO LTD
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