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Tools for breakers, breakers and uses thereof

A technology of breaking hammers and tools, which is applied in the field of tools, can solve problems such as damage and achieve the effect of improving strength

Inactive Publication Date: 2016-08-24
SANDVIK MINING & CONSTR OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result of this angular error, the impact surface of the impact piston and tool may break during the impact operation

Method used

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  • Tools for breakers, breakers and uses thereof
  • Tools for breakers, breakers and uses thereof
  • Tools for breakers, breakers and uses thereof

Examples

Experimental program
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Embodiment Construction

[0037] exist figure 1 Among them, the breaking hammer 1 is arranged at the free end of the boom 3 of the excavator 2 . The breaker 1 presses against the material 4 to be crushed by means of the boom 3 and at the same time impacts with the impact device 5 on the hammer a tool 6 connected to the hammer 1 which transmits the impact pulse to the material to be crushed. Instead of the excavator 2, the breaker 1 can be arranged on any mobile base machine. figure 1 A conventional use of the breaker 1 is shown, wherein the breaker 1 is substantially in an upright position. The figure also shows the longitudinal direction C of the boom 3 .

[0038] figure 2 Shown is the tunnel 7 of rock hole, when rock is relatively soft rock, can excavate rock hole in rock by means of breaking hammer 1. In this type of excavation, the breaker 1 is positioned predominantly horizontally, as shown. The excavation proceeds in such a way that with the breaking hammer 1 the rock is separated from the ...

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PUM

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Abstract

The invention relates to a tool for a breaking hammer, a breaking hammer, and the use of a breaking hammer. The breaking hammer includes a percussion device, the percussion piston of which providing impacts to the tool for breaking rock. An impact surface of the tool has a curved form surface that has a radius of curvature and a center axis on the longitudinal axis of the tool. The direction of the centre axis is transverse to the plane through the longitudinal axis of the boom of a work machine.

Description

technical field [0001] The invention relates to tools for use in breakers. The tool has an impact surface on which impact pulses are provided by means of the impact device of the breaker. At the opposite end of the tool there is a tip which penetrates and breaks the rock on impact. Furthermore, the tool has a fastening surface for fastening to the breaking hammer. [0002] The invention also relates to a breaker and its use. Background technique [0003] When the intention is to break rock, concrete or some other relatively hard material, for example, breakers are often used as attachments in excavators or other working machines. The breaking hammer has an impact device with which an impact can be provided to a tool fastened to the breaking hammer and which transmits the impact pulse to the rock to be broken. The striking device has a striking piston that reciprocates and strikes the striking surface of the tool tip. While the impact is provided by the impact piston, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25D17/02E21B10/36E21C37/26E02F3/96B28D1/26
CPCB25D17/02B25D2217/0007B28D1/26B28D1/28E02F3/966E21B10/36E21C27/28E21C37/26B25D9/125E21D9/106
Inventor 奥西·卡赫拉
Owner SANDVIK MINING & CONSTR OY
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