Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

Junlong Du

Rikui Zhang

Peng Zhang

Xiaolei Ji

This application discloses a fracturing device, an engine and an exhaust apparatus thereof, which belongs to the field of turbine fracturing technologies. The engine is provided with a first exhaust outlet, and the exhaust apparatus of the engine includes an exhaust muffler, a shroud plate and a cover plate, where the exhaust muffler is provided at a first exhaust outlet, the exhaust muffler is provided with a second exhaust outlet, and the shroud plate is provided at the second exhaust outlet, the shroud plate is movably connected to the exhaust muffler, the shroud plate can move between a first position and a second position relative to the exhaust muffler, and the cover plate is rotationally connected to the exhaust muffler to close or open the second exhaust outlet. In a case that the shroud plate moves to the first position relative to the exhaust muffler and the cover plate opens the second exhaust outlet, the shroud plate and cover plate form a heightening tube. The heightening tube communicates with the second exhaust outlet, and the position of an upper port of the heightening tube is higher than the position of the second exhaust outlet. The engine includes the exhaust apparatus mentioned above, and the fracturing device includes the engine mentioned above. As such, reducing the number of components is facilitated, and the structure is simplified.

Fracturing device, engine and exhaust apparatus thereof

This disclosure provided is a connecting structure for connecting a first workpiece to a second workpiece. The connecting structure includes: a first connecting assembly disposed on the first workpiece; a second connecting assembly disposed on the second workpiece, wherein the second connecting assembly includes a second connecting member and a fixing assembly, the second connecting member is movably disposed, so as to connect the second connecting member and the first connecting assembly; the fixing assembly is connected with the second connecting member, and the fixing assembly is movably disposed relative to the second connecting member; and a locking portion, wherein at least part of the locking portion is disposed on the second workpiece, and the fixing assembly is connected with the locking portion.

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Shandong, China

Junlong Du