Telescopic belt conveyer

The utility model discloses a telescopic belt conveyer, this belt feeder include support body I and support body II, and support body II alternates in the front portion of support body I, and I both ends of support body respectively set up a cylinder, are provided with driving roll I in the support body I, and cylinder and driving roll be through I connection transmission of belt between I, and the both sides of I bottom of support body respectively set up a track, still are provided with the winch in the support body I, are provided with one on winch and the support body support body I between II and change to gyro wheel I, the one end of support body II is provided with driving roll II, and the other end is provided with driven cylinder, is connected the transmission through belt II between driving roll II and the driven cylinder, and II bottoms of support body are provided with a plurality ofly to the rail wheel, is provided with on the support body II to change to gyro wheel II. This belt feeder simple structure, the practicality is strong, can realize stretching out and drawing back, can solve in the tunnel distance's between waste bin and the tunnel end problem, has guaranteed under unmovable telescopic belt conveyer's prerequisite, can satisfy the tunnelling drilling depth requirement of a day.