Lever type belt tension pulley mechanism
A tensioner, lever-type technology, used in belts/chains/gears, mechanical equipment, transmission devices, etc., can solve the problems of insufficient lightness, cumbersome movement of tensioner, loose tensioner, etc., to facilitate adjustment and production. cost reduction effect
Active Publication Date: 2013-01-16
天津凯德实业有限公司
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Problems solved by technology
[0005] At present, the technology and products of the tensioner at home and abroad generally improve the tensioner accessories such as springs and bearings, adjust the distance between the pulley and the connecting shaft, limit or fix the connection method, etc., to make it easy to process, assemble and use, and strive to Reduce costs and extend service life, but there are certain limitations
In the prior art, the tensioner is usually fixed on the guide rail with only one direction of movement, and the belt is tensioned in one direction by adopting a single-direction tensioning method, and the tensioner slider is fastened by bolts. During the speed movement, it is easy to cause the tensioner to loosen, and the movement of the tensioner in the single guide rail is bulky and not light enough
Method used
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Embodiment Construction
[0022] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0023] like figure 1 As shown, a lever type belt tensioner mechanism provided by the present invention mainly includes a pulley 7, a pulley bracket, a bottom plate 1, a tension bolt mounting bracket 2, a tension bolt support block 6, a crank 5, and a tension bolt 4 And rotating shaft 8, bottom plate 1 is installed on the belt pulley support, adjusts the front and rear direction of described mounting plate 1 through bolt hole; The bracket is then fixed on the base plate; the crank 5 is fixedly connected with the tension bolt mounting bracket 2 by the bolt 3;
[0024] The bolt 3 connects the tension bolt mounting bracket 2 and the crank 5 as a rotating shaft 8, the tension bolt 4 is installed on the tension bolt mounting bracket 2, the tension bolt support block 6 is installed on the crank 5, and the belt pulley 7 passes through the shaft 8 and...
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The invention discloses a lever type belt tension pulley mechanism which comprises a belt pulley, a belt pulley support, a bottom plate, a tension bolt mounting support, a tension bolt supporting block, a crank, a tension bolt and a rotating shaft. The belt pulley is arranged at the tail end of the crank, the bottom plate is arranged on the belt pulley support, the tension bolt supporting block is welded at the upper end of the crank, the tension bolt mounting support is fixed on the bottom plate, the crank and the tension bolt mounting support are fixedly connected through a bolt, and the front and back directions of the bottom plate are adjusted through a bolt hole. The crank is designed by a certain angle, comprises a short-arm end and a long-arm end, is capable of achieving unequal-diameter rotational movement of two ends thereof and is a key part of the lever type belt tension pulley mechanism for two-dimensional plane movement in a curve. The lever type belt tension pulley mechanism is simple in structure, convenient to maintain and adjust, capable of achieving two-dimensional planar transmission and light in acting force transmission and is used for belt transmission mechanisms.
Description
technical field [0001] The invention belongs to the technical field of machinery, and in particular relates to a tensioner mechanism of a belt transmission mechanism. Background technique [0002] The tensioner is a belt tensioning device used in belt transmission and automobile transmission system. It is usually composed of a fixed housing, a tension arm, a wheel body, a torsion spring, a rolling bearing, and a spring bushing. Adjust the belt according to the different degrees of tightness of the belt. The tension force makes the transmission system run stably, safely and efficiently, and can reduce noise and prevent slipping. The tensioner is a very important part of mechanical accessories, usually with automatic tensioning and regular tensioning. [0003] Domestic patent CN201487149U discloses "an automatic tensioner", including a bearing, a shaft sleeve, an eccentric shaft, a fixed frame, a front end cover and a rear end cover. There is an oil-free bearing on the oute...
Claims
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Inventor 邓倡凯张忠家刘春生孙艳王利成
Owner 天津凯德实业有限公司