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A differential planetary reducer for a crane

A planetary reducer, crane technology, applied in the direction of differential transmission, mechanical equipment, transmission, etc., can solve the problems of reliability and safety to be improved, inability to flexibly select the output speed, etc., to save operation time and space utilization. High rate, small volume effect

Active Publication Date: 2017-06-23
浙江菱德电梯部件有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this device can only achieve single-speed output, and cannot flexibly select the output speed according to the load situation; it only has a single motor input, and compared with multiple motors, the reliability and safety need to be improved

Method used

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  • A differential planetary reducer for a crane
  • A differential planetary reducer for a crane
  • A differential planetary reducer for a crane

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] Such as figure 1 As shown, it is an embodiment of a differential planetary reducer for a crane in the present invention, the pair of input shafts 4, 4' connected to the two motors 1, 1' through couplings 2, 2' respectively, The cylindrical roller bearings 5, 5' are supported in the frame 6, 6', and the inner rings of the two sets of symmetrically distributed cylindrical roller bearings 5, 5' are axially positioned with the sleeves 7, 7'. 5. The outer ring of 5' is pressed by bearing cover 8, 8' and sealed with sealing ring 9, 9'; two sun gear bevel gears 11, 11' are respectively keyed to the output ends of two input shafts 4, 4' , and on the inner sides of the two sun gear bevel gears 11, 11', there are retaining rings 12, 12' and two shaft end nuts 13, 13' to compress them;

[0030] The two ends of the cylindrical output planet carrier 14 are ...

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Abstract

A differential planetary reducer for a crane is composed of a bevel gear differential gear train module, an ordinary gear train module, and an output speed governing module. The bevel gear differential gear train used by the planetary reducer has the advantages of being safe, reliable, small in size, high in space utilization, capable of implementing four revolving-speed output, facilitating integrated design, and the like.

Description

technical field [0001] The invention relates to a speed reducer, in particular to a differential planetary speed reducer which is convenient for integrated design and is applied to a crane. Background technique [0002] Cranes are widely used in docks, construction industry, steel mills, and other industries that need to lift heavy objects. The reducer is a key component on the crane to ensure safe and reliable lifting operations. At the same time, the crane adopts different lifting speeds under no-load and loaded conditions, which can improve work efficiency, save work time, and reduce unnecessary energy consumption. [0003] At this stage, in order to improve the reliability and safety of the crane, two parallel shaft gear reducers are generally configured, and the parallel structure of double motors and double reducers is used to drive. This method can ensure that when one motor fails, the other motor can continue to complete the lifting. Work, increasing the reliability...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66D1/22F16H48/08
CPCB66D1/22F16H48/08
Inventor 王淑妍朱慧云王新国朱君唐文献
Owner 浙江菱德电梯部件有限公司
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