長臂挖掘機，由工作臂、加長臂、原油缸、工作臂油缸、挖掘斗油缸等組成，其特征是:在車體支架.上端,動配合的連接--個加長臂,加長臂的下側面與原油缸相連接，加長臂前端通過銷軸與工作臂的一- 端動配合連接，工作臂與加長臂之間安裝-一個工作臂油缸。在工作臂的前端有一個挖掘斗，挖掘斗- -側通過連桿與挖掘斗油缸的一.端連接，挖掘斗油缸的另一端通過銷軸與加長臂動配合連接。
The long-arm excavator is composed of the working arm, the extension arm, the original oil cylinder, the working arm oil cylinder, the bucket oil cylinder, etc. Its characteristics are: at the upper end of the vehicle body bracket, the dynamic fit is connected with one extension arm, the lower side of the extension arm is connected with the crude oil cylinder, the front end of the extension arm is connected with the one-end dynamic fit of the working arm through the pin shaft, and between the working arm and the extension arm, a working arm oil cylinder is installed. There is a bucket at the front end of the working arm. The bucket -- side is connected with one end of the bucket cylinder through a connecting rod, and the other end of the bucket cylinder is connected with the boom boom through a pin.
挖掘機加長臂在施工中有以下的特點:
The following features of the excavator extension arm during construction:
(1)機械化程度高，需要勞動力少，施工組織簡單;施工效率高，工程進度快; .
(1) High degree of mechanization, less labor required and simple construction organization; High construction efficiency and fast project progress
(2)加長后的臂對挖掘機質量要求比較嚴格，也可以說臂是對挖掘機質量的一-次檢驗， 在動
(2) The lengthened arm has strict requirements on the quality of the excavator. It can also be said that the arm is a one-time inspection of the quality of the excavator
作過程中不易離析，因此容易保證工程質量:
It is not easy to segregate during construction, so it is easy to ensure the project quality:
(3)作業安全，可減少施工過程中的危險:
(3) Operation safety can reduce risks during construction:
(4)對施工作業面的適應性強，作業范圍廣，挖掘機加長臂可以鋪設到其他難以到達的地方，
(4) It has strong adaptability to the construction working surface and a wide range of operations. The excavator extension arm can be laid to other places that are difficult to reach,
滿足各種施工要求;
Meet various construction requirements;
(5)在正常工作條件下，挖掘機加長臂在不會污染環境，符合環保要求。
(5) Under normal working conditions, the extended arm of the excavator will not pollute the environment and meet the environmental protection requirements.
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