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Rigid coupling with cage structure

A rigid coupling, cage structure technology, applied in rigid shaft couplings, couplings, climate sustainability, etc., can solve problems such as poor reliability, high cost, and low efficiency

Pending Publication Date: 2021-04-20
BEIJING SANLI XINNENG SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For the rigid coupling scheme, the cost of the traditional locking disc is high, the efficiency of using friction to transmit torque is low, and the reliability is also poor. With the further increase of the unit capacity, the defects of this scheme become more prominent

Method used

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  • Rigid coupling with cage structure
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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0021] A cage structure rigid coupling of the present invention is mainly used for figure 1 In the shown transmission system 1, it is used to connect the active part 2 and the passive part 4, and transmit torque and bear bending moment. Its preferred specific embodiment is attached figure 2 As shown: the coupling 3 has a cage structure as a whole and can be divided into three parts, namely the connecting flanges 302 and 304 connected with the driving and driven parts, and the cylindrical coupling main body 301 with a larger diameter. From the perspective of radial section, the main material of the coupling makes full use of the larger diameter of the distribution cir...

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Abstract

The invention discloses a rigid coupling with a cage structure. The coupling is suitable for low-speed heavy-load equipment such as a wind generating set, and is mainly characterized in that a driving piece and a driven piece in a transmission system are rigidly connected through parts such as a threaded fastener in an integrated or split cage type structure form so as to transmit large torque and bear a certain bending moment. The coupling improves the torque transmission capacity, simplifies the manufacturing and assembling process, reduces the cost and can replace a locking disc type coupling widely used in the traditional wind power industry by optimizing the material arrangement and other modes.

Description

technical field [0001] The invention relates to a rigid shaft coupling with a cage structure, especially aimed at the design problem of the drive train of non-direct-drive wind power generating sets above the megawatt level. Background technique [0002] In the usual sense, the horizontal axis wind turbines need to connect the impeller with the power generation unit through the transmission system (it can be the rotor of the direct drive generator or the input shaft of the speed-up gearbox), so it is necessary to design the coupling for In the overall assembly of the drive train. [0003] Traditional coupling solutions usually have two technical routes: flexible and rigid. The former introduces flexible parts into the transmission chain to ease the impact load from the impeller and compensate for the angular offset of the entire transmission chain during assembly and operation. and shaft offset; the latter reduces the requirement for shock mitigation in the drive train by s...

Claims

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Application Information

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IPC IPC(8): F16D1/033F03D15/00
CPCY02E10/72Y02P70/50
Inventor 崔新维段辰玥崔逸南胡成明何家志
Owner BEIJING SANLI XINNENG SCI & TECH
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