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Crawler travel device

A crawler and crawler-type technology, which is applied in the field of crawler traveling devices, can solve problems such as unsupported loads, and achieve the effect of reducing loads and reducing up and down vibrations

Active Publication Date: 2009-11-18
KUBOTA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the above-mentioned prior art, when the idler wheels travel on a flat ground, the three idler wheels in the front and rear directions touch the ground on the track at the same time to support the load, but when the front and rear idler wheels go over obstacles such as stones, the middle idler The wheel is raised and becomes the state of not supporting the load, and only the front and rear idlers are used to support the entire load

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0043] Figure 1~5 , 7 show the first embodiment. exist Figure 7 In , the whole tractor T is shown. The tractor T equipped with the crawler traveling device 1 has a traveling body 30 . The traveling body 30 has an engine E, a transmission 31, a front axle frame (not shown), and the like. The tractor T has front wheels as drivable steerable wheels on a front axle frame, an engine cover covers an engine, and an operation unit and a driver's seat are covered by a cab or a rollover protection system (ROPS). At the rear of the traveling body 30, a rear working machine (implement) such as a rotary tiller is pulled or supported via a hydraulic device and a three-point linkage (H). Hereinafter, description will be made based on the drawings showing only the left side of the crawler traveling device 1 , but the right side of the crawler traveling device 1 also has corresponding components.

[0044] The crawler traveling device 1 supports a front driven wheel (regulator wheel) 3 f...

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Abstract

A track frame (2) is swingably supported by a rear axle case of a travel machine body (30) through a rocking shaft (8); front and rear driven wheels (3),(4) are disposed in front and rear end portions of the track frame (2); at least three idling wheels (5) are disposed on an intermediate portion of the track frame (2) at intervals in a longitudinal direction; a drive wheel (6) which is disposed upward of a longitudinal intermediate portion of the track frame (2) and is configured to receive a power transmitted from a rear axle (33) supported by the rear axle case; and a crawler belt (7) is wrapped around the drive wheel (6), the front driven wheel (3), the rear driven wheel (4) and the idling wheels (5). Two idling wheels (5) on a rear side of the at least three idling wheels (5) are pivoted on a first rocking link (20), and a longitudinal intermediate portion of the first rocking link (20) is pivoted on the track frame (2) through a first pivot shaft (22).

Description

technical field [0001] The present invention relates to a crawler that can be mounted on the rear of a tractor or the like. Background technique [0002] As the crawler, for example, a tractor may be equipped with a crawler as a rear tire wheel or a crawler instead of the rear tire wheel, thereby constituting a half-track tractor. [0003] In the prior art of such a crawler traveling device, as disclosed in, for example, Patent Document 1, a front driven wheel for tension adjustment, an idle driven wheel, and an idler wheel between them are aligned and supported on the track frame in the front-rear direction. On the top, drive wheels are arranged above the above-mentioned idler wheels, crawler belts are wound around all these wheels, and a tension adjustment mechanism is arranged to be inclined downward from the track frame toward the front driven wheel. The tension adjustment mechanism supports the above-mentioned front driven wheel while supporting While applying force in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D55/08B62D55/10B62D55/14
CPCB62D55/084B62D55/14B62D55/15B62D49/0635B62D55/30B62D55/08B62D55/18B62D55/10
Inventor 稻冈基成
Owner KUBOTA CORP
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