Digging machine

   Soil looser is a machine used in earthwork construction to loosen hard soil, frozen soil, old road surface and medium hardness rock. According to the connection form of soil looser and tractor, there are tow type and suspension type two. The traction force provided by the tractor and the weight of the excavator are used to make the ba teeth cut into the soil and loosen the hard soil. The loose soil zone is left after the mechanical passage. Usually used for bulldozer or scraper before the operation of the pre - turning operation.

   Compared with the traditional construction method, it has the advantages of simplified construction technology, reduced construction machinery and tools, high productivity, good production safety, etc., and is the main preparation machinery for earth and stone engineering.

   Loose soil machine is mainly composed of motor, reduction gear, walking mechanism, loose soil shovel, depth adjustment mechanism and so on.The motor provides the power and is connected to the reduction gear shaft by means of a coupling. The working parts are composed of cutter head and vertical shovel, divided into two groups, driven by reduction gear. The depth adjustment mechanism is composed of handle, sprocket and chain, which can adjust the soil depth by changing the height of the frame.

   The loose soil machine is divided into special type loose soil machine and general type loose soil machine, special type loose soil machine only one kind of operation state, the frame is "work" shape, three groups of chisel loose soil shovel installed side by side on a beam. In order to increase the strength of the frame, some loose soil machines are equipped with tensile bars on both sides of the beam. By changing the height of the ground wheel to adjust the soil depth, the maximum soil depth is about 50 cm.

   The machine structure is firm, and the upper part of the shovel handle is provided with a safety pin, suitable for weathering rock rocky zone or other hard ten ground soil operation, for pushing, flat, ridge and other subsequent operations to create favorable conditions. Some special soil machine can also be used for breaking frozen soil or digging roots and other operations.

   According to different operation requirements, the general type of looser can replace the looser shovel of different shapes or change its arrangement, and present different operating states. The frame is frame type, which can be installed on the front and back beams of different types of loose earth shovel, or change the arrangement of loose earth shovel. If the front beam on the interval of 70 cm (adjustable spacing) installation of three groups of shallow loose shovel,after the beam corresponding installation of three groups of deep loose shovel, can be layered deep loose operation, loose soil depth of 30~Up to 50 centimeters. If three groups of shallow shovel are installed on the front beam at an interval of 70 cm, and four groups of the same shovel are staggered on the back beam, the interval of operation is 35 cm, and the general farmland can be ploughed at a depth of 20~30 cm.

   This kind of soil machine after operation not only loose deep soil, but also do not disturb the soil layer, so as to improve the physical and chemical properties of the soil, is conducive to water storage and moisture conservation, the deep pine of low-lying land can accelerate the infiltration of surface water, is the effective measure of the arable land to eliminate excessive surface water.

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