Rotary type grab bucket excavator
An excavator, rotary technology, applied in the field of engineering machinery design and manufacture, can solve the problem of single-action excavation requirements, and achieve the effects of flexible rotation, energy saving, and reasonable mechanism
Inactive Publication Date: 2016-08-03
赵建
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Problems solved by technology
[0003] Aiming at the technical insufficiency that the single grab action of the current excavator cannot meet the excavation requirements in special environments, the present invention provides a rotary grab excavator
Method used
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Embodiment Construction
[0008] The gear box 1 is connected to the arm 7 of the excavator; the outer side of the gear box 1 is fixed with a hydraulic motor 6, and a worm gear mechanism composed of a worm wheel 2 and a worm 5 is arranged inside the box, and the access end of the worm 5 is connected to the hydraulic On the power output end of the motor 6, the power output end of the worm gear 2 stretches out of the gear box body 1 through the connecting shaft 3 and is connected with the grab bucket 4. When the grab bucket 4 needs to be rotated, as long as the hydraulic motor 6 is started to rotate and the worm gear mechanism decelerates and the motion transmission between the 90° intersection angle is required, the grab bucket 4 can rotate freely at any angle to meet the needs of the excavator's excavation environment.
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The invention relates to a rotary type grab bucket excavator, in particular to a movement form of a grab bucket of the rotary type grab bucket excavator, and belongs to the field of designing and manufacturing of engineering machinery. The rotary type grab bucket excavator comprises a gearbox, a hydraulic motor, a worm and gear mechanism, a connecting shaft, the grab bucket and an excavator arm. The excavator arm is connected with the gearbox. The hydraulic motor is arranged outside the gearbox, and the worm and gear mechanism is arranged inside the gearbox. The access end of a worm is connected with the output end of the hydraulic motor. The output end of a worm gear is connected with the grab bucket through the connecting shaft. The hydraulic motor inputs power, the worm drives the worm gear to rotate, the worm gear drives the grab bucket to rotate, and thus the free rotation function of the grab bucket is added. The rotary type grab bucket excavator has the remarkable advantages that the structure is simple, the mechanism is reasonable, the grab bucket rotates flexibly, time and labor are saved, and energy is saved.
Description
technical field [0001] The invention relates to a rotary grab excavator, in particular to a movement form of the excavator grab, and belongs to the field of engineering machinery design and manufacture. Background technique [0002] Excavators widely used in construction projects currently have only one degree of freedom of movement between the grab bucket and the grab arm, that is, the degree of freedom for the grab bucket to rotate around the movable hinge axis between the grab bucket and the grab arm, so the grab bucket Can only bend or stretch. Due to the single action of the grab, the excavating flexibility of the excavator is greatly limited. For example, when excavating the soil under or next to obstacles, the excavator can only move its position frequently so that the grab can meet the position. Such an operation is labor-intensive, time-consuming and wastes energy and power. Thereby it is necessary to design an excavator that can make the grab bucket rotate freely...
Claims
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IPC IPC(8): E02F3/413E02F3/43
Inventor 不公告发明人
Owner 赵建