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Universal orthogonal coupling

A coupling and shaft hole technology, which is applied in the field of universal orthogonal couplings, can solve the problems of small compensation amount, large compensation amount, and inability to compensate for inter-shaft runout, and achieve small shaft end distance, large compensation amount, and high precision effect

Inactive Publication Date: 2011-03-02
苏州高新区禾云设备设计事务所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] ①Oldham coupling: It can compensate the runout between shafts, and the compensation amount is large, but the accuracy is poor and the angle between shafts cannot be compensated
But the connection distance between the shaft ends is long
[0008] ④Plum blossom elastic rubber coupling: It can compensate the angle and runout between shafts, but the compensation amount is small and the accuracy is poor
[0009] ⑤Plunger elastic rubber coupling: It can compensate the angle and runout between the shafts, but the compensation amount is small and the accuracy is poor
[0010] ⑥Single-section ten-byte coupling: it can compensate the angle between the shafts, the compensation amount is large, and there is no backlash interval, but it cannot compensate the run-out between the shafts
Therefore, the existing movable couplings still cannot fully meet the needs of practical use technically.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see figure 1 As shown, a universal orthogonal shaft coupling, a universal orthogonal shaft coupling, includes an intermediate support 1, an input shaft seat 2 and an output shaft seat 3, the input and output shaft seats 2, 3 is a structure with a fixed pin shaft hole at both ends and a shaft hole in the middle;

[0035] The input and output shaft seats 2, 3 are cross-connected to the intermediate support 1 through a movable joint 4;

[0036] The movable joint 4 includes a first (℈)-shaped structure 41 and a second (℈-shaped) structure 42 that are fixedly connected, and the connection mode of the two (℈-shaped) structures 41, 42 is that the opening directions are opposite and the opening surfaces are perpendicular to each other;

[0037] The two arms of the first (℈)-shaped structure 41 are connected with a first joint 411 through a movable shaft, and the first joint 411 has a first connecting shaft hole 412;

[0038] The two arms of the second (℈)-shaped structure 42 ...

Embodiment 2

[0043] see figure 2 As shown, the structure of this implementation is basically the same as that of the embodiment, except for the following preferred modes.

[0044] Preferably, the intermediate bracket 1 is an annular cross structure with four connecting shaft holes 12 that are divided into four equal parts along the circumference and are orthogonal to the central axis of the intermediate bracket 1 . The two ends of a connecting shaft 11 The first connecting shaft hole 412 and the connecting shaft hole 12 are connected respectively, so that the first joint 411 and the intermediate bracket 1 are connected to each other.

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Abstract

The invention discloses an universal orthogonal coupling which comprises an intermediate support, an input axle seat and an output axle seat, wherein the input and output axle seats are respectively in a structure of which both ends are provided with fixed pin axle holes and the middle part is provided with an axle hole; and the input and output axle seats are crosswise connected to the intermediate support through movable joints. The coupling of the invention can compensate interaxial included angle and circular runout, and has the advantages of small distance between axle ends, high compensation rate and small return difference clearance.

Description

technical field [0001] The invention relates to a shaft coupling, in particular to a universal orthogonal shaft coupling used for power connection between a wind-driven rotating main shaft and a generator in wind power generation. Background technique [0002] There are many types of couplings, which can be divided into: [0003] (1) Fixed coupling. It is mainly used in places where the two shafts require strict alignment and no relative displacement occurs during work. The structure is generally simple and easy to manufacture, and the instantaneous speed of the two shafts is the same. There are mainly flange couplings, sleeve couplings, and clamps. Shell couplings, etc. [0004] (2) Movable coupling. It is mainly used in places where the two shafts are deflected or there is relative displacement during work. According to the method of compensating displacement, it can be divided into rigid movable coupling and elastic movable coupling. There are mainly the following cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D3/27
Inventor 张晓鹤
Owner 苏州高新区禾云设备设计事务所
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