Guide mechanism of chassis assembly in crawler-type engineering machine
A technology of construction machinery and guiding mechanism, which is applied to tracked vehicles, motor vehicles, transportation and packaging, etc., can solve the problems of large shear force and easy damage of pins, and achieve the effect of enhancing service life, alleviating eccentricity and ensuring service life.
Inactive Publication Date: 2014-09-03
LIUGONG CHANGZHOU MACHINERY +1
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Problems solved by technology
Due to the harsh working environment of the bulldozer, the pin shaft is subjected to a very large shear force and is easily damaged
Method used
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[0014] Below in conjunction with preferred embodiment, the specific implementation mode provided according to the present invention is described in detail as follows: embodiment
[0015] Referring to the accompanying drawings for details, compared with the prior art, the present invention provides a guiding mechanism for a chassis assembly in a crawler-type construction machine, including a trolley frame 3, a balance beam 5 and a pivot 10, the chassis of the trolley frame A rotatable guide wheel 1 is installed in the front section, and a drag chain wheel 4 is installed in the middle of the platform frame through a drag chain wheel support 7, which supports the upper end of the track (not shown). The trolley frame is fixedly connected to the main frame of the engineering machinery (not shown in the figure) through a pivot, and a guide mechanism 2 is provided in the middle of the trolley frame, and the guide mechanism includes a guide rail 11, a guide plate 8 and a bracket 9, Th...
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The invention relates to a guide mechanism of a chassis assembly in a crawler-type engineering machine. The guide mechanism comprises bogie frames, a balance beam and a pivot. The front sections of the bogie frames are provided with rotatable guide wheels, and the middle portions of the bogie frames are provided with drag chain wheels through drag chain wheel supports. The guide mechanism is characterized in that guide mechanism bodies are arranged in the middle portions of the bogie frames, the guide mechanisms comprise guide rails and guide plates, the guide rails are formed by two parallel guiding plates, the guide plates are connected with the guide rails in a sliding mode, the guide rails are fixedly connected with the bogie frames through fasteners, and the guide plates are fixedly connected with a main frame of the engineering machine. The guide mechanism has the advantages that according to the chassis assembly in the crawler-type engineering machine, the bogie frames are connected with the main frame of the engineering machine through the guide mechanism, the freedom degrees of the bogie frames in the vertical direction are guaranteed when a crawler-type vehicle linearly runs, the lateral sliding of the bogie frames relative to the main frame is limited when the crawler-type vehicle steers, and the service life of the pivot and a drive part is guaranteed.
Description
technical field [0001] The invention belongs to engineering machinery, in particular to a guiding mechanism for a chassis assembly in crawler-type engineering machinery. Background technique [0002] Crawler bulldozers usually use balance beams to connect the trolley frames on the left and right sides, allowing the trolley frames to have a certain degree of displacement relative to the main frame. Usually, there is a pin hole in the center of the balance beam, and the balance beam passes through the pin hole. The shaft is connected to the main frame, and the two ends of the balance beam are respectively connected to the floating frame of the trolley. The suspension mechanism of the bulldozer is composed of the balance beam and the platform frame. The crawler bulldozer requires the suspension mechanism to mainly play the role of support and limit. The supporting function of the suspension mechanism requires the chassis to have sufficient strength to support the whole machin...
Claims
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Inventor 廖崇庆贡英建李盛龙王立华杨胜言
Owner LIUGONG CHANGZHOU MACHINERY