Anti-rotation structure for wear-resistant gasket of double-arm planet carrier

Abstract

An anti-rotation structure for a wear-resistant gasket of a double-arm planet carrier relates to the technical field of wind power speed reducers and is used for solving the technical problems that the wear-resistant gasket of a planet gear transmission system in the prior art is easy to rotate, quick to wear, easy to influence transmission stability and even lose efficacy. In the anti-rotation structure for the wear-resistant gasket of the double-arm planet carrier, the double-arm planet carrier body is used for installing a polished shaft of a planet gear and arm parts located on the two sides of a polished shaft hole; the wear-resistant gasket is arranged between the planetary gear and the shaft hole of the double-arm planet carrier body, and a notch is formed in the circumferential outer wall of the wear-resistant gasket; the anti-rotation shaft sleeve is arranged on the upper portion of the double-arm planet carrier body and matched with the wear-resisting gasket, and the circumferential end face of the anti-rotation shaft sleeve is matched with the notch of the wear-resisting gasket to form an anti-rotation structure.

Description

Technical Field

[0001] The invention relates to the technical field of wind power reducers, and in particular to a double-arm planetary carrier wear-resistant gasket anti-rotation structure. Background Art

[0002] At present, in the planetary gear transmission system, the double-arm planet carrier plays a key supporting and transmission role; during the operation of the planetary gear, the planetary gear contacts and moves relative to the double-arm planet carrier through the wear-resistant gasket.

[0003] However, since the planetary gears rotate at high speed and are subjected to force, the wear-resistant washers are easily rotated, which will not only accelerate the wear of the wear-resistant washers and reduce their service life, but may also affect the stability and accuracy of the planetary gear transmission, thereby causing the performance of the entire planetary gear transmission system to decline or even fail.

[0004] Therefore, how to provide a double-arm planetary carrier wear-resistant gasket anti-rotation structure has become a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0005] The purpose of the present invention is to provide a double-arm planetary carrier wear-resistant gasket anti-rotation structure, which is used to solve the technical problems in the prior art that the wear-resistant gaskets of the planetary gear transmission system are easy to rotate and wear quickly, and are easy to affect the transmission stability or even fail.

[0006] In order to achieve the above object, the present invention adopts the following technical scheme: A double-arm planet carrier wear-resistant gasket anti-rotation structure, comprising: a double-arm planet carrier body, the double-arm planet carrier body is used to install the optical axis of the planetary gear and the arms located on both sides of the optical axis hole; A wear-resistant gasket, which is arranged between the planetary gear and the shaft hole of the double-arm planetary carrier body, and the circumferential outer wall of the wear-resistant gasket has a notch; The anti-rotation sleeve is arranged on the upper part of the double-arm planetary carrier body and cooperates with the wear-resistant gasket, and the circumferential end surface of the anti-rotation sleeve cooperates with the notch of the wear-resistant gasket to form an anti-rotation structure.

[0007] During actual assembly, the notch of the wear-resistant gasket is clearance-matched with the outer wall of the anti-rotation sleeve; during the rotation of the planetary gear, the tendency of the wear-resistant gasket to rotate will be blocked by the circumferential end surface of the anti-rotation sleeve, thereby limiting the rotational freedom of the wear-resistant gasket.

[0008] Specifically, the double-arm planetary carrier wear-resistant gasket anti-rotation structure also includes: a first hole retaining spring, which is arranged between the retaining spring groove of the double-arm planetary carrier body and the upper end surface of the anti-rotation sleeve, and the first hole retaining spring is axially fixed with an anti-rotation shaft to prevent it from falling out.

[0009] Furthermore, one end of the anti-rotation sleeve is fixed to the upper part of the double-arm planetary carrier body by a retaining ring through the second hole, and the relative fixation of the axial position of the anti-rotation sleeve itself is ensured, and the outer circumferential surface of the anti-rotation sleeve and the upper inner hole of the double-arm planetary carrier body are transitionally matched with each other, so that under the joint action, the wear-resistant gasket can be stably in a predetermined position and reduce the wear caused by rotation.

[0010] Compared with the prior art, the double-arm planet carrier wear-resistant gasket anti-rotation structure of the present invention has the following advantages: In the double-arm planetary carrier wear-resistant gasket anti-rotation structure provided by the present invention, since the double-arm planetary carrier body is used to install the optical axis of the planetary gear and the arm parts located on both sides of the optical axis hole, the wear-resistant gasket is arranged between the axis hole of the planetary gear and the double-arm planetary carrier body, and the circumferential outer wall of the wear-resistant gasket has a notch, the anti-rotation sleeve is arranged on the upper part of the double-arm planetary carrier body and cooperates with the wear-resistant gasket, and the circumferential end face of the anti-rotation sleeve cooperates with the notch of the wear-resistant gasket to form an anti-rotation structure; therefore, when the planetary gear starts to rotate in the axis hole of the double-arm planetary carrier body, friction will be generated on the wear-resistant gasket. If there is no anti-rotation structure of the present application, the wear-resistant gasket will rotate under the action of the friction force, and the anti-rotation sleeve and the wear-resistant gasket in the present application can cooperate with each other to achieve the anti-rotation effect, thereby effectively extending the service life of the wear-resistant gasket and the entire planetary gear transmission system. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A schematic structural diagram of a double-arm planet carrier wear-resistant gasket anti-rotation structure provided by an embodiment of the present invention; Figure 2 for Figure 1 A schematic diagram of the partial enlarged structure of the middle anti-rotation structure A area; Figure 3 A schematic structural diagram of an anti-rotation sleeve in a double-arm planetary carrier wear-resistant gasket anti-rotation structure provided by an embodiment of the present invention; Figure 4 A schematic structural diagram of the wear-resistant gasket in the double-arm planetary carrier wear-resistant gasket anti-rotation structure provided in an embodiment of the present invention.

[0012] Reference numerals: 1- double-arm planetary carrier body; 2- optical axis; 3- needle bearing; 4- planetary gear; 5- wear-resistant gasket; 51- notch; 6- retaining ring for the first hole; 7- retaining ring for the second hole; 8- anti-rotation sleeve; 81- circumferential end face. DETAILED DESCRIPTION

[0013] For ease of understanding, the double-arm planetary carrier wear-resistant gasket anti-rotation structure provided by an embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.

[0014] The embodiment of the present invention provides a double-arm planet carrier wear-resistant gasket anti-rotation structure, such as Figure 1-Figure 4 As shown, it comprises: a double-arm planet carrier body 1, the double-arm planet carrier body 1 is used to install the optical axis 2 of the planetary gear 4 and the arms located on both sides of the optical axis hole; A wear-resistant gasket 5, which is arranged between the planetary gear 4 and the shaft hole of the double-arm planetary carrier body 1, and the circumferential outer wall of the wear-resistant gasket 5 has a notch 51; The anti-rotation sleeve 8 is arranged on the upper part of the double-arm planetary carrier body 1 and cooperates with the wear-resistant gasket 5, and the circumferential end surface 81 of the anti-rotation sleeve 8 cooperates with the notch 51 of the wear-resistant gasket 5 to form an anti-rotation structure.

[0015] Compared with the prior art, the double-arm planet carrier wear-resistant gasket anti-rotation structure described in the embodiment of the present invention has the following advantages: In the double-arm planetary carrier wear-resistant gasket anti-rotation structure provided in an embodiment of the present invention, since the double-arm planetary carrier body 1 is used to install the optical axis 2 of the planetary gear 4 and the arms located on both sides of the optical axis hole, the wear-resistant gasket 5 is arranged between the planetary gear 4 and the axial hole of the double-arm planetary carrier body 2, and the circumferential outer wall of the wear-resistant gasket 5 has a notch 51, and the anti-rotation sleeve 8 is arranged on the upper part of the double-arm planetary carrier body 1 and cooperates with the wear-resistant gasket 5, and the circumferential end face 81 of the anti-rotation sleeve 8 cooperates with the notch 51 of the wear-resistant gasket 5 to form an anti-rotation structure; therefore, when the planetary gear 4 starts to rotate in the axial hole of the double-arm planetary carrier body 1, friction will be generated on the wear-resistant gasket 5. If there is no anti-rotation structure of the present application, the wear-resistant gasket 5 will rotate under the action of the friction force, and the anti-rotation sleeve 8 and the wear-resistant gasket 5 in the present application can cooperate with each other to achieve the anti-rotation effect, thereby effectively extending the service life of the wear-resistant gasket 5 and the entire planetary gear transmission system.

[0016] In actual assembly, Figure 1-Figure 4 As shown, the notch 51 of the wear-resistant gasket 5 is clearance-matched with the outer wall of the anti-rotation sleeve 8; during the rotation of the planetary gear 4, the tendency of the wear-resistant gasket 5 to rotate will be blocked by the circumferential end surface 81 of the anti-rotation sleeve 8, and the rotational freedom of the wear-resistant gasket 5 will be limited.

[0017] Specifically, Figure 1-Figure 4 As shown, the double-arm planetary carrier wear-resistant gasket anti-rotation structure provided in an embodiment of the present invention may also include: a first hole retaining spring 6, which is arranged between the retaining spring groove of the double-arm planetary carrier body 1 and the upper end surface of the anti-rotation sleeve 8, and the first hole retaining spring 6 is axially fixed with an anti-rotation shaft to prevent it from falling out.

[0018] Furthermore, if Figure 1-Figure 4As shown, one end of the anti-rotation sleeve 8 is fixed to the upper part of the double-arm planetary carrier body 1 by a retaining spring 7 through the second hole, and the axial position of the anti-rotation sleeve 8 itself is relatively fixed, and the outer circumferential surface of the anti-rotation sleeve 8 and the upper inner hole of the double-arm planetary carrier body 1 are transitionally matched with each other, so that under the joint action, the wear-resistant gasket 5 can be stably in a predetermined position and the wear caused by rotation is reduced, thereby effectively ensuring the stability of the rotation of the planetary gear 4.

[0019] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A double-arm planetary carrier wear-resistant gasket anti-rotation structure, characterized in that: include: A double-arm planet carrier body, wherein the double-arm planet carrier body is used to install the optical axis of the planetary gear and the arms located on both sides of the optical axis hole; A wear-resistant gasket, which is arranged between the planetary gear and the shaft hole of the double-arm planetary carrier body, and the circumferential outer wall of the wear-resistant gasket has a notch; The anti-rotation sleeve is arranged on the upper part of the double-arm planetary carrier body and cooperates with the wear-resistant gasket, and the circumferential end surface of the anti-rotation sleeve cooperates with the notch of the wear-resistant gasket to form an anti-rotation structure.

2. The double-arm planet carrier wear-resistant gasket anti-rotation structure according to claim 1, characterized in that: During assembly, the notch of the wear-resistant gasket is clearance-matched with the outer wall of the anti-rotation sleeve; during the rotation of the planetary gear, the tendency of the wear-resistant gasket to rotate will be blocked by the circumferential end surface of the anti-rotation sleeve, and the rotation freedom of the wear-resistant gasket will be limited.

3. The double-arm planet carrier wear-resistant gasket anti-rotation structure according to claim 1 or 2, characterized in that: Also includes: The first hole retaining ring is arranged between the retaining ring groove of the double-arm planetary carrier body and the upper end surface of the anti-rotation sleeve, and the first hole retaining ring is axially fixed with an anti-rotation shaft to prevent it from falling out.

4. The double-arm planet carrier wear-resistant gasket anti-rotation structure according to claim 3, characterized in that: One end of the anti-rotation sleeve is fixed to the upper part of the double-arm planetary carrier body by a retaining ring through the second hole, and the relative fixation of the axial position of the anti-rotation sleeve itself is ensured, and the outer circumferential surface of the anti-rotation sleeve and the upper inner hole of the double-arm planetary carrier body are transitionally matched with each other, so that under the joint action, the wear-resistant gasket can be stably in a predetermined position and reduce the wear caused by rotation.

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