Normally open type built-in brake structure of speed reducer
A speed reducer, normally open technology, applied in the direction of brake actuators, gear transmission mechanisms, brake types, etc., can solve the problems of the transmission system stopping, the speed reducer can not operate, etc., to achieve good braking performance and expand economic losses , the effect of convenient operation
Inactive Publication Date: 2014-02-05
ZHUZHOU JIUZHOU TRANSMISSION MACHINERY
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Problems solved by technology
[0006] The technical problem to be solved by the present invention is to provide a speed reducer for the traditional normally closed brake structure of the speed reducer. Normally open built-in brake structure
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[0017] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] The left and right in the following are the left and right directions in the figure.
[0019] The present invention will be located at figure 1 The name of the left fixed disk in the center is the left fixed disk, which is located in figure 1 The name of the fixed disk on the right in the center is positioned as the right fixed disk.
[0020] Please refer to figure 1 and figure 2 , The normally open built-in brake structure of the reducer provided by an embodiment of the present invention includes a left fixed plate 1, a right fixed plate 2, a friction plate ...
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The invention provides a normally open type built-in brake structure of a speed reducer, which comprises a left fixed disk, a right fixed disk, a friction plate group, a piston, springs, a piston oil cavity and a speed reducer rotating shaft, wherein the right fixed disk is fixed on a speed reducer box body; the left fixed disk is fixed on the right fixed disk; the friction plate group is arranged in the right fixed disk and comprises a plurality of fixed friction plates and a plurality of movable friction plates which are stacked alternately; the fixed friction plates are connected with the right fixed disk; the movable friction plates are connected with the speed reducer rotating shaft; the piston is clung to the outer side of the friction plate group; the springs is supported between the piston and the right fixed disk; clearances are arranged between the two ends of the piston and the left and right fixed disks; the right fixed disk is provided with an oil hole communicated with the piston oil cavity. The normally open type built-in brake structure of the speed reducer, provided by the invention, is compact in structure, flexible and convenient to operate and good in brake performance.
Description
technical field [0001] The invention belongs to the technical field of mechanical braking, and in particular relates to a normally open built-in braking structure of a reducer. Background technique [0002] Existing construction machinery in China, including rotary drilling rigs, crawler cranes, excavators, bulldozers and loaders, etc., use a large number of reducers with built-in brake structures. It can also work normally under certain conditions, reliable and flexible, and has a long service life. [0003] The traditional reducer brake structure is a normally closed structure, which is mainly composed of a fixed disc, a friction plate set (including a moving friction plate and a fixed friction plate), a piston, a spring, a piston oil chamber, a rotating shaft of a reducer and other parts of the reducer. , located at the input end of the reducer. The hydraulic control system of the main engine controls the opening of the high-pressure oil circuit to control the movement ...
Claims
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IPC IPC(8): F16D55/24F16D65/14F16D65/095F16H57/02F16D121/04F16D125/06
Inventor 刘波杨亿晏辉周紫燕
Owner ZHUZHOU JIUZHOU TRANSMISSION MACHINERY