Method and apparatus for monitoring operation of percussion device

A technology of impactor and operating state, which is applied in the direction of percussion drilling, portable impact tools, drilling equipment and methods, etc., and can solve the problems of poor durability of sensors

Inactive Publication Date: 2005-01-26
SANDVIK TAMROCK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One problem with the approach based on sensors mounted on impactors is that the durability of the sensors is poor under the harsh conditions of using drills and impact hammers

Method used

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  • Method and apparatus for monitoring operation of percussion device
  • Method and apparatus for monitoring operation of percussion device
  • Method and apparatus for monitoring operation of percussion device

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 is a partially cutaway schematic side view of the impactor 1 . The impactor 1 comprises a frame 2 and an impact piston 3 . The hammer 1 can be used in a drilling machine or a hammer. The impactor 1 is hydraulically operated and hydraulic oil, bio-oil or water can be used as hydraulic or pressurized fluid. figure 1 Further shown is a pump 4 required to drive the impactor 1, wherein the pump 4 can pump pressure fluid into the impactor 1 through the pressure channel 5 in the direction of arrow A, so that the impact piston 3 moves toward figure 1 to the right, that is, to complete a stroke. During the reverse stroke of the percussion piston 3 , the pressurized fluid passes through the channel 6 in the direction of the arrow B back to the oil tank 7 . figure 1 Also shown is a control valve 19 for controlling the operation of the impactor 1 . The general structure and operating principles of a hammer in a rock drilling machine or percussion hammer are known per ...

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PUM

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Abstract

A method and an apparatus for monitoring the operation of a percussion device, which percussion device (1) comprises a percussion piston (3) and a pressure channel (5) for supplying pressure medium to the percussion device (1) for moving the percussion piston (3). The method and the apparatus measure pressure pulsation of the pressure medium acting in the pressure channel (5), which pressure pulsation is depicted as a pressure curve (10). From pressure pulsation are determined parameters depicting the operating state of the percussion device (1) and the operating state of the percussion device (1) is determined on the basis of said parameters.In addition, an arrangement for controlling the operation of the percussion device on the basis of the operating state of the percussion device (1).

Description

technical field [0001] The invention relates to a method for monitoring the operation of an impactor, wherein the impactor comprises an impact piston and a pressure channel for supplying pressure medium to the impactor to move the impact piston, the method can measure the pressure medium acting on the pressure channel The pressure pulsation on , which is described as a pressure curve. [0002] The invention also relates to a device for monitoring the operation of an impactor, wherein the impactor comprises an impacting piston and a pressure channel for supplying the impactor with a pressure medium to move the impacting piston, the device comprises a sensor connected to the pressure channel, To measure the pressure pulsation acting on the pressure medium in the pressure channel, and describe the pressure pulsation as a pressure curve. [0003] The invention also relates to a solution for regulating the operation of an impactor comprising a percussion piston and a pressure chan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25D9/26B25D9/14E21B1/00E21B44/00
CPCB25D9/14B25D2250/195E21B1/00E21B44/00E21B1/12
Inventor 马尔库·凯斯基尼娃蒂莫·肯帕伊宁韦萨·乌伊托
Owner SANDVIK TAMROCK
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