Planet carrier connecting structure

A technology of connecting structure and planet carrier, applied in transmission parts, belts/chains/gears, mechanical equipment, etc., can solve problems such as poor torque transmission capacity

Pending Publication Date: 2020-11-03
NANJING HIGH SPEED GEAR MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the modulus of elasticity of QT700 is higher than that of QT400, under the action of the pressure of the locking disc 1', the connecting part 2' of the planetary carrier is less prone to radial deformation (because the rigidity of the planetary carrier is larger), while the main shaft 3' is prone to deformation Radial deformation (because the stiffness of the main shaft 3' is small), this will make the pressure finally transmitted to the contact surface of the main shaft 3' and the connecting part 2' of the planet carrier less, so that the connecting part of the main shaft 3' and the planet carrier Poor torque transmission between 2'

Method used

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Embodiment Construction

[0025] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a d...

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Abstract

The invention relates to the technical field of planet gears, and discloses a planet carrier connecting structure which is used for connecting a planet carrier with a main shaft and comprises a connecting part, an abutting piece and a locking disc. The connecting part is arranged on the planet carrier, a connecting hole is formed in the main shaft, the main shaft is arranged on the connecting partin a sleeving manner through the connecting hole, and the elasticity modulus of the main shaft is set to be smaller than that of the connecting part. An abutting hole is formed in the connecting part, and the abutting piece is arranged in the abutting hole and abuts against the inner wall of the abutting hole, so that the connecting part is clamped between the main shaft and the abutting piece. The locking disc is arranged on the main shaft in a sleeving manner and extrudes the main shaft towards the connecting part. By means of the structure, the planet carrier connecting structure can improve the contact pressure between the main shaft and the planet carrier, and therefore the torque transmission capacity between the main shaft and the planet carrier is improved.

Description

technical field [0001] The invention relates to the technical field of planetary gears, in particular to a connection structure of a planetary carrier. Background technique [0002] In a planetary gearbox, in order to transmit the torque transmitted from the main shaft to the planet carrier, the planet carrier and the main shaft of the wind power gearbox are generally connected through a locking disc. [0003] Usually, such as figure 1 As shown, the position of the locking disc 1' is located outside the connecting part 2' of the planetary carrier, and the main shaft 3' is located inside the connecting part 2' of the planetary carrier, that is, the locking disc 1' closes the connecting part 2' of the planetary carrier. Press firmly on the spindle 3'. The pressure generated by the locking disc 1' will be transmitted to the contact surface between the main shaft 3' and the connecting part 2' of the planetary carrier through the connecting part 2' of the planetary carrier, so ...

Claims

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Application Information

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IPC IPC(8): F16H57/08F16H57/023
CPCF16H57/023F16H57/082
Inventor 熊永强范世荣张迅周兴军
Owner NANJING HIGH SPEED GEAR MFG
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