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Caterpillar band tensioning device

A tensioning device and crawler technology, applied to tracked vehicles, transportation and packaging, motor vehicles, etc., to achieve the effects of increasing service life, fast recovery speed, and avoiding direct impact

Inactive Publication Date: 2013-05-08
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a crawler belt tensioning device, which can effectively solve the problem of keeping the crawler belt in a tensioned state at any time during the walking process.

Method used

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  • Caterpillar band tensioning device

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Experimental program
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Effect test

Embodiment

[0012] figure 1 It is shown that one embodiment of the present invention is: a crawler belt tensioning device, the opposite faces of the two opposite support seats 1 are symmetrically provided with bosses 6, and guide bolts 5 are arranged between the two bosses 6, and the guide bolts 5 is covered with a steel spring 4, the end of the steel spring 4 is connected to the boss 6; the inner surface of the outer ring spring 2 matches the outer surface of the inner ring spring 3 to form a ring spring, and the inner ring spring 3 at both ends of the ring spring is close to the The support base 1 is fixed on the boss 6 of the support base 1 .

[0013] The support seat 1 can adopt the process of forging the blank first and then processing, which improves the strength of the support seat 1. The contact position of the support seat 1, the ring spring 2 and the steel spring 4 is machined to ensure a better and flatter relationship between them. touch.

[0014] The entire tensioning devic...

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Abstract

The invention provides a caterpillar band tensioning device which is characterized in that bosses (6) are symmetrically arranged on opposite faces of two opposite support seats (1), a guide bolt (5) is arranged between the two bosses (6), a steel spring (4) is sleeved on the guide bolt (5), the end portions of the steel spring (4) are connected with the bosses (6), the inner surface of an outer ring spring (2) and the outer surfaces of inner ring springs (3) are matched to form an annular spring, the inner ring springs (3) at two ends of the annular spring are tightly attached on the support seats (1) and are fixed on the bosses (6) of the support seats (1). The caterpillar band tensioning device can tension a caterpillar band anytime, the caterpillar band is in a certain tensioning state all the time, and damage to a caterpillar band chain caused by sudden impact force can be effectively lowered. The caterpillar band tensioning device is mainly used in walking parts of an excavator, a bulldozer, a crane and the like which are provided with a caterpillar band structure.

Description

technical field [0001] The invention belongs to the technical field of engineering machinery, in particular to an engineering machinery with a crawler-type traveling mechanism. technical background [0002] The crawler running device has excellent characteristics such as large traction force, strong climbing ability, small turning radius, and low grounding ratio, so it is widely used in construction machinery, mining machinery, construction machinery and other fields, especially in large and medium-sized self-propelled Widely used in type machinery, such as trenchers, excavators, drillers and other machinery. The crawler tensioning device has a great influence on the running performance of the crawler. In the prior art, the main methods for tightening the track include a spring tensioning method, an oil cylinder tensioning method, and a screw tensioning method. Among them, if the spring tension method is adopted, due to the certain proportional relationship between the ela...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D55/30
Inventor 马卫华邹瑞明罗世辉
Owner SOUTHWEST JIAOTONG UNIV
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