30-03-2018 дата публикации
Номер: CN0207161082U
The utility model relates to a dig quick -witted hopper and have this tunnel that digs quick -witted hopper and dig machine belongs to tunnel excavation equipment field. Should dig quick -witted hopper and include the hopper body and locate the excavation piece of hopper body both sides, excavate towards hopper body bottom, the excavation piece is including first stand, second stand and excavate the tooth, and the hopper body is located to first stand through the mounting on, on first stand was located to the second stand, on the second stand was located to the excavation tooth, a plurality ofdenticles that the excavation tooth moved towards with the hopper body were opposite. The utility model discloses can excavate the operation in narrow and small space, will produce under the system of the strutting circumstances very near apart from the face to excavate in IV, V grades of country rock excavation process and also can carry out the breakage earlier, dig and set up rotatory pars contractilis ...
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