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发明授权
CN1963047B 工程机械 有权

工程机械
摘要：
本发明使热交换器对车体框架的安装作业简单并提高工程机械的装配工作效率。通过预先装配构成框架结构的支撑框架体(12)和由散热器(15)、油冷却器(16)等构成的热交换器装配体(14)，构成单一的热交换器单元(11)。该热交换器单元(11)做成可拆装地安装到旋转框架(4)上的结构。因此，预先装配的热交换器单元(11)只通过简单的拧紧螺栓作业、配管作业就能安装到旋转框架(4)上。还有，由于热交换器单元(11)能够在不同于液压挖掘机(1)的装配流水线的另外的较宽广的作业现场装配，因此，能够提高装配工作效率。
摘要（英）：

The invention makes the installation exercise simple of the car body frame for the heat exchanger and advances the assembly work efficiency for the construction machine. A single heat exchanger unit (11) is formed through assembling in advance a braced frame body (12) constituting the frame construction and a heat exchanger assembling body (14) composed of a radiator (15) and a oil cooler (16). The heat exchanger unit (11) is made into a structure detachably mounted on the rotating frame (4). Thereby, the heat exchanger unit (11) assembled in advance can be mounted to the rotating frame (4) only through simple screwing down bolt operation and piping operation. Also, because the heat exchanger unit (11) can be assembled at additional broader operation scene different from the fabrication line for the hydraulic excavator (1), thereby, the assembly work efficiency is advanced.

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