1、抢险机动性强、调集迅速。

1. Strong emergency mobility and quick mobilization.

抢险成败的关键在于能否***时间到达出险现场进行抢护，而长臂挖掘机可以通过拖车前往目的地，不足半小时就能到达出险地点进行抢护，做到抢护及时。

The key to the success or failure of emergency rescue lies in whether one can arrive at the scene of the accident for rescue in the first time. Long arm excavators can be towed to the destination and arrive at the accident site for rescue in less than half an hour, achieving timely rescue.

2、突出抢险，提高抢险效率。

2. Highlight the key points of rescue and improve the efficiency of rescue.

以往人工险情抢护抛石往往无法及时到位，大部分石料停滞在坝坡上，而常规挖掘机却只能将石料抛到半坡。长臂挖掘机却能在抢险过程中根据险情的轻重缓急，在坝面上来去自如，快速移动，突出一个“快”字。

In the past, manual rescue and throwing of stones in dangerous situations often failed to arrive in a timely manner, with most of the stones stuck on the dam slope, while conventional excavators could only throw the stones halfway up the slope. However, the long arm excavator can move freely and quickly on the dam surface according to the severity of the danger during the rescue process, highlighting the word "fast".

3、降低劳动强大，压缩抢险成本。

3. Reduce labor intensity and compress rescue costs.

常规挖掘机抢险的时候，往往需要配合使用人海战术，劳动强度大，同时抢险过后需要重新整修坝坡，增加了抢险成本。而利用长臂挖掘机抢险，节省了人工二次抛石、整修坝坡等费用。

When using conventional excavators for emergency rescue, it is often necessary to cooperate with the use of human sea tactics, which results in high labor intensity. At the same time, after the rescue, the dam slope needs to be renovated, increasing the cost of rescue. By using a long arm excavator for emergency rescue, costs such as manual secondary rock throwing and repairing dam slopes were saved.

4、持续作业时间长，适合抢护重大险情。

4. Long duration of continuous work, suitable for emergency rescue in major dangerous situations.

抢险的关键在于时间，抢护要及时，控制住险情进一步扩大；其次抢险要一气呵成，避免抢险料物大量流失。以往的常规挖掘机使用往往需要配合大量人工抛石，持续有效运转时间不超过4小时，时间一长就会力不从心，无法保障抢险工作的连续性。而使用长臂挖掘机，除去加油料的时间，基本可以连续作业，确保抢险一气呵成。

The key to rescue lies in time. Firstly, timely rescue is necessary to control the further expansion of the danger situation; Secondly, emergency rescue should be carried out in one go to avoid a large loss of materials and supplies. In the past, conventional excavators often required a large amount of manual stone throwing, with a continuous effective operation time of no more than 4 hours. Over time, they would become inadequate and unable to ensure the continuity of emergency work. By using a long arm excavator, it is possible to operate continuously without the need for refueling materials, ensuring a seamless rescue operation.

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