To provide an outrigger grounding detection device advantageous in terms of reliability and detection accuracy.SOLUTION: An outrigger grounding detection device, which is provided in a travel body 10 and detects grounding states of a plurality of outriggers 300 supporting the travel body 10 by grounding of a float 33 at a lower end thereof, comprises: a radio wave output state changing part 70 that can change a state into a state where an RFID tag 52 can output an identification radio wave IRW in a grounding state and a non-grounding state of the float 33 and into an output impossible state; and a receiving device 51 provided in the travel body 10, and receiving the identification radio wave IRW and reading out an identification code included in the identification radio wave IRW; and a grounding-state detection processing part 53 as a grounding detection part that detects grounding of the float 33 on the basis of a received state of the identification radio wave IRW of the receiving device 51.SELECTED DRAWING: Figure 3
【課題】信頼性、検出精度の点で有利なアウトリガ接地検出装置を提供すること。【解決手段】走行体10に設けられ、下端のフロート33が接地して走行体10を支持する複数のアウトリガ300の接地状態を検出するアウトリガ接地検出装置であって、フロート33の接地状態と非接地状態とでRFIDタグ52が識別電波IRWを出力可能な状態と出力不可能な状態とに状態を変更可能な電波出力状態変更部70と、走行体10に設けられ、識別電波IRWを受信して識別電波IRWに含まれる識別コードを読み取受信装置51と、受信装置51の識別電波IRWの受信状態に基づいてフロート33の接地を検出する接地検出部としての接地状態検出処理部53と、を備える。【選択図】図3
OUTRIGGER GROUNDING DETECTION DEVICE
アウトリガ接地検出装置
2021-01-07
Patent
Electronic Resource
Japanese
IPC: | B66C Krane , CRANES / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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