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Mobile working machine having a remote control device

A technology for working machinery and remote control devices, which is applied to safety devices, earthmoving machines/shovels, cranes, etc., and can solve problems such as injuries, working machinery cannot be excluded, and operator collision cannot be excluded.

Inactive Publication Date: 2011-07-13
PUTZMEISTER ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It cannot be ruled out that a moving work machine collides with the operator and injures him
Even with remote remote control of working machinery or supporting mechanisms, a collision with the operator and resulting injury cannot be ruled out

Method used

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  • Mobile working machine having a remote control device
  • Mobile working machine having a remote control device
  • Mobile working machine having a remote control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] exist Figure 1a , 1b and figure 2 The mixer truck schematically shown in the figure mainly includes: a vehicle frame 10 equipped with at least one front axle 11 and at least one rear axle 12; a driver's cab 13; a concrete placing boom 15, which can surround a vertical The shaft is rotatably supported on a swivel mechanism 14 close to the front axle; a pump unit 16 mounted on the frame 10 at a distance from the swivel mechanism 14; and a support mechanism 18 for the frame 10. The support structure 18 has a support frame 19 fixed to the vehicle frame and comprises two front support arms 20 and two rear support arms 22, which support arms are in the transport position ( Figure 1a ) is received and oriented substantially parallel to the longitudinal axis 24 of the vehicle, and in the support position ( Figure 1b ) then lean forward or backward across the vehicle frame 10 and stretch out, and utilize its feet 26, 28 to support on the ground 30.

[0025] The front suppo...

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PUM

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Abstract

The invention relates to a mobile working machine having at least one working or support member (20, 22) comprising at least one motor drive mechanism (52). The working machine further comprises a controller (50) for actuating the at least one drive mechanism, and a remote control device (54) that wirelessly communicates with the controller (50). In order to increase operational safety, the remote control device (54) and the at least one working or support member (20, 22) have a first distance sensor for determining an inner zone threshold (66') and a second distance sensor for determining an outer zone threshold (66''). The controller (50) responds to the remote control signals, thereby releasing the actuation signal for the drive mechanism, only if the remote control device (54) is located within the range (70) between the inner and the outer zone thresholds (66', 66'').

Description

technical field [0001] The invention relates to a mobile working machine, which is provided with at least one working or supporting mechanism having at least one motor-like drive mechanism; a control device for controlling the at least one drive mechanism; and the control device A remote control device that communicates wirelessly. Background technique [0002] Mobile work machines, such as mobile concrete pumps, are equipped with a support structure by means of which the mobile work machine can be supported in its working position on a foundation. Hitherto, the supporting mechanisms of the supporting structure have been rolled out individually on the frame and rested with their feet on the foundation. Usually, the moving out and moving in of the supporting mechanism and the up and down movement of the foot are all triggered by an electro-hydraulic control mechanism through a separate switch. When the basis is known, starting from the working machine, of course all operati...

Claims

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Application Information

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IPC IPC(8): B66C13/40B66C15/04B66C23/78E02F9/20E04G21/04
CPCB66C13/40B66C23/78E02F9/205E04G21/0427B66C15/045
Inventor W-M・佩措尔德M・迈尔
Owner PUTZMEISTER ENG