Obstacle detection device

一种障碍物检测、障碍物的技术，应用在测量装置、无线电波测量系统、利用再辐射等方向，能够解决动作停止或警报等问题

Inactive Publication Date: 2019-04-02
KOBELCO CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the technology of Patent Document 1, in order to expand the detection range, if the directivity of the millimeter-wave radar installed on the upper revolving body is directed toward the ground side, the lower traveling body will be detected as an obstacle, resulting in frequent occurrence of unnecessary errors. Problems with Motion Stops or Alarms

Method used

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Embodiment Construction

[0026] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the following embodiment is the example which actualized this invention, and does not limit the technical scope of this invention.

[0027] figure 1 It is an external view of a construction machine 1 to which an obstacle detection device according to an embodiment of the present invention is applied. The construction machine 1 is composed of a hydraulic excavator, but this is only an example, and any construction machine may be used as long as it is a construction machine having an upper revolving body such as a crane.

[0028] The construction machine 1 includes: a crawler-type undercarriage 2 , an upper revolving body 3 with a rotatable body provided on the lower undercarriage 2 , and a working device 4 installed on the upper revolving body 3 .

[0029] The working device 4 includes: a swing arm 15 that is heavably mounted on the upper slewing body 3 , an...

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Abstract

An obstacle determination unit (221) determines that a detected object is an obstacle when the object detected by a distance sensor (40) is located in a monitoring region that is set in a blind spot of an operator. In addition, the obstacle determination unit (221) sets the monitoring region so that a region showing a lower traveling body (2) is excluded in accordance with the turning angle detected by an angle sensor (210). A stop control unit (222) determines, on the basis of the turning angle detected by the angle sensor (210), whether a component, that is, the lower traveling body (2) and / or an upper turning body (3), of construction machinery (1) may collide with an obstacle when the component is operated, and stops operation of the component that is determined to be likely to collide.

Description

technical field [0001] The invention relates to an obstacle detection device of construction machinery. The construction machinery includes a lower traveling body and an upper revolving body. The upper revolving body is rotatably installed on the upper part of the lower traveling body and includes a cab for operators to sit on. Background technique [0002] In recent years, hydraulic excavators, cranes, and other construction machines with upper slewing bodies have taken measures to prevent interference between the upper slewing body and obstacles by detecting surrounding obstacles and stopping operations or giving alarms based on the detection results. [0003] Patent Document 1 discloses a technique for operating an upper revolving body when it is detected that an obstacle detected by a millimeter-wave radar is located in an anti-collision area provided around a construction machine and is operated in a direction approaching the obstacle. Forced to stop. [0004] However,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F3/43B66C23/88E02F9/20E02F9/24E02F9/26G01S17/931
CPCB66C23/88E02F3/43E02F9/20E02F9/24E02F9/26E02F9/262G01B21/047G01B21/18G01B21/22G08B21/02G01S17/931E02F9/2033
Inventor 木下明上村佑介
Owner KOBELCO CONSTR MASCH CO LTD
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