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External star wheel type overrunning clutch

A technology of overrunning clutches and extraterrestrial wheels, applied in clutches, one-way clutches, mechanical equipment, etc., can solve problems such as manufacturing accuracy not meeting design requirements, spring leaf fatigue breakage, uneven pre-pressure, etc., to achieve small deformation and load bearing The effect of large torque and avoiding fatigue fracture

Inactive Publication Date: 2010-02-03
厦门恒瑞达机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The manufacturing accuracy cannot meet the design requirements, which leads to early failure of the clutch;
[0006] 2. The spring leaf is prone to fatigue and fracture when transmitting torque;
[0007] 3. The length of the spring is different, resulting in uneven pre-pressure and easy mechanical wear;
[0008] 4. Large transmission noise;
[0009] 5. The working surface adopts a flat type. When loaded, the self-locking angle changes greatly, resulting in uneven force and damage to the working surface, resulting in clutch failure

Method used

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  • External star wheel type overrunning clutch
  • External star wheel type overrunning clutch

Examples

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Embodiment

[0027] Example: a structure such as figure 1 , figure 2 As shown, a kind of outer star wheel type overrunning clutch includes outer star wheel (1), insert (2), roller (3) and inner ring (5), wherein: the clutch also includes magnetic parts, outer star wheel ( 1) One side is provided with a groove for accommodating the magnetic piece, the groove communicates with the roller groove, and the magnetic piece is arranged on the side adjacent to the roller. The magnetic part is a permanent magnet (4), and the matching mode of the permanent magnet (4) placed in one side of the outer star wheel (1) is overfitting. The star wheel working surface of the outer star wheel (1) is a plurality of inserts (2) in contact with the roller 3, and each insert is a dovetail groove type inlaid alloy.

[0028] The insert working surface (6) is a logarithmic helical curved surface, which is in contact with the roller (3). Each insert is interference-fitted on the outer star wheel along the circumfe...

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Abstract

The invention discloses an external star wheel type overrunning clutch, and belongs to the technical field of clutch manufacture. The external star wheel type overrunning clutch is provided with an external star wheel (1), an embedded block (2), a pin roller (3), a permanent magnet (4) and an inner ring (5), wherein one side of the external star wheel is provided with a groove for accommodating the permanent magnet, a start wheel working face of the external star wheel is provided with a dovetail groove-shaped embedded alloy (2) (embedded block for short), and the working face is a logarithmichelical curved surface. The clutch has the advantages of simple manufacturing process, high working reliability, large bearing torque and long service life, can bear large torque force and impact force, and can work for long time under high-speed heavy load.

Description

technical field [0001] The invention discloses an alien wheel type overrunning clutch, which belongs to the technical field of clutch manufacturing. Background technique [0002] An overrunning clutch, also known as a one-way clutch, or a one-way bearing, is a device that can only transmit power from one direction. When the speed of the driving raceway is the same as that of the driven raceway, the transmission is performed, and when the speed of the driving raceway is lower than that of the driven raceway, the driven raceway can rotate freely. Overrunning clutches are widely used in aircraft, tanks, military trucks, heavy trucks, off-road vehicles, loaders, ships, forklifts, automobiles, motorcycles, lathes, printing machinery, textile machinery, nut forming machines, spring machines, and intermittent transmission mechanisms in production lines , mining machinery, wrenches, etc. For example, in loaders, the transmission generally adopts a two-shaft assembly. The tradition...

Claims

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Application Information

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IPC IPC(8): F16D41/066
CPCF16D41/066F16D2041/0665
Inventor 许水电
Owner 厦门恒瑞达机械有限公司
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