Tensioning and loosening device applied to crawler assembly of moving platform

Abstract

The invention provides a tensioning and loosening device applied to a crawler assembly of a moving platform. The crawler assembly comprises a mounting frame, two rows of idler wheels, a driving wheel,a driven wheel, and crawlers; the two rows of idler wheels are arranged on the upper portion and the lower portion of the mounting frame and are mutually parallel; the driving wheel and the driven wheel are arranged at the two ends of the mounting frame; the crawlers are arranged on the idler wheels, the driving wheel and the driven wheel in a sleeving mode; the tensioning and loosening device comprises a swing arm rotatably connected with one end of the mounting frame, a sliding bearing seat arranged in the swing arm and capable of longitudinally sliding relative to the swing arm, and a locking seat arranged on the side face of the moving platform and matched with the swing arm; the driven wheel is connected with the sliding bearing seat through a transverse rotating shaft, and the swingarm can rotate between a plane parallel to the mounting frame and a plane perpendicular to the mounting frame; the swing arm is provided with a transverse locking screw matched with the locking seat;and the swing arm is internally provided with a longitudinal jackscrew which can be longitudinally extended and retracted for limiting the sliding range of the sliding bearing seat towards the innerside. According to the tensioning loosening device, work of tensioning, loosening, demounting and mounting of the crawlers is simplified, the design is simple, and operation is convenient.

Description

Technical field [0001] The invention relates to an auxiliary device for disassembly and assembly of a crawler assembly of a mobile platform, in particular to a tensioning and releasing device applied to the crawler assembly of a mobile platform. Background technique [0002] At present, robots, ground unmanned systems and other small vehicles are widely used in life services, fire sites, natural disasters, anti-terrorism and explosion protection, military operations, nuclear facility inspections and other fields. Because of its strong passing ability and the ability to centrally arrange drive units, crawlers have been widely used. In order to obtain a better driving effect, the height of the internal teeth of the track is generally made relatively high. In order to prevent the track from loosening, a part of the internal and external double-layer side guards are even made. The existence of these structures requires a larger stroke of the crawler loosening device, which increases...

AI Technical Summary

Problems solved by technology

[0003] Most of the current rubber tracks use the same mechanism for track installation and removal and tightness adjustment. Although integrated, the installation and removal work becomes complicated, and the tightness adjustment becomes frequent. Every time the track is disassembled, it must be adjusted, which increases the maintenance work. quantity

[0004] The Chinese patent with the application number 201120030487.X introduces a tensioning device used for large rubber crawlers. The tensioning device has elastic buffering capacity, but the adjustment direction is the same as the loosening direction, and there is a large adjustment force. Adjust the shortcomings such as tightness

[0005] The U.S. Patent Application No. 8201649B2 installs the rubber track, driving wheel, road wheel, follower wheel and track expansion device into a modular whole. Although the work of dismantling the track is eliminated during the maintenance of other components, the whole vehicle supports The structural parts are scattered and heavy

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