Coupling

A technology of couplings and threaded sliders, applied in the direction of couplings, elastic couplings, connecting components, etc., can solve the problems of reduced service life of couplings, high use costs, high processing costs, etc., and improve work efficiency , improve the service life and balance the performance

Inactive Publication Date: 2012-07-04
BEIJING UNION UNIVERSITY
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] When the elastic coupling in the prior art transmits a large torque, it is generally connected to the shaft by a spline, and the left and right halves of the coupling will slide on the shaft undesirably. Collision between two coupling halves will not only generate noise, but also reduce the service life of the coupling
In the prior art, it is generally used to have a groove on the shaft, and use a snap ring to install in the groove to limit the sliding of the coupling. However, this method is expensive to process, and if you replace a different type of coupling If the device is used, the position of the groove may not be suitable, and it needs to be re-grooved. Therefore, this method has high manufacturing cost and high use cost, and is not suitable in some occasions

Method used

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Embodiment Construction

[0018] The elastic coupling includes two half-couplings with the same structure and an intermediate elastic member (not shown), the structure of the half-coupling is as follows figure 1 As shown, the two half-couplings are respectively connected to the two shafts, and the intermediate elastic member is installed between the two half-couplings. figure 2 The structure of the coupling half is shown from another angle, image 3 It is a cross-sectional view of the half coupling. The center of the half coupling 1 has a shaft hole 4, and the shaft hole 4 has an internal spline structure (not shown), which is used to cooperate with the external spline of the shaft, and also has an annular groove for To accommodate flat threaded discs. The flat threaded disc 3 is arranged coaxially with the half-coupling 1 and is located in the groove of the half-coupling. One plane of the flat threaded disc 3 has a rectangular threaded groove 6, such as Figure 5 As shown, the outer circumference o...

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Abstract

The invention relates to a coupling which is provided with a threaded disc, a threaded slide block and a clamp shaft, wherein the threaded disc drives the threaded slide block to move; and the clamp shaft limits the slide of two coupling halves in an axial direction, thereby preventing the two coupling halves from colliding, reducing the noise and prolonging the service life of the coupling. The coupling provided by the invention is convenient and rapid in replacement, can be assembled or disassembled immediately, and effectively enhances the work efficiency. The coupling is accurately coaxial with a shaft to be installed and has the characteristics of good balance performance and the like.

Description

technical field [0001] The invention relates to a shaft coupling, more specifically to an elastic shaft coupling. Background technique [0002] Couplings are widely used in mechanical, hydraulic and other transmission fields. They are mainly used for the connection between shafts. Generally speaking, due to reasons such as processing machine tools and manufacturing costs, the manufacturing size of the shaft should not be too long. Therefore, the transmission rotation In the process of movement, sometimes at least 2 shafts are needed, and the coupling is used to connect the shafts and has a good performance of transmitting rotational motion. The elastic coupling has a good balance performance, which can buffer the movement, and can also allow a certain axial deviation, and does not require high precision installation between the shaft and the shaft. For example: the starting speed of the motor is high, and the output shaft of the motor is connected to other shafts through an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B21/10F16D3/00
Inventor 程光
Owner BEIJING UNION UNIVERSITY
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