A wind power hub python wire ball type anti-wear support and a mounting method thereof

Abstract

The application discloses a wind power wheel hub python wire ball type anti-abrasion support and a mounting method thereof, which comprises two semicircular support bodies with the same specification and structure, the end faces of the left and right ends of the support body are provided with front and back symmetrical limiting grooves, the inner and outer surfaces of the support body are provided with a plurality of pits, and a spring ball is embedded in each pit. Two support bodies are respectively sleeved on the wheel hub python wire from top to bottom, and then the two support bodies are fixed and pushed into the two hollow cavities to the butt joint position of the hollow cavities. During the operation of the wind turbine, the wheel hub python wire, the hollow shaft of the main shaft and the hollow shaft of the gear box rotate synchronously, so that the support body can ensure that the wheel hub python wire can not contact the inner wall of the hollow cavity at the butt joint position of the hollow cavities, thereby avoiding the abrasion of the cable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power generation devices, in particular to a wind power hub python line ball type anti-wear support and its installation steps. BACKGROUND

[0002] At present, the domestic wind power newly added installed capacity and cumulative installed capacity are both in the first place in the world, and the wind power industry has developed from scale development to lean development, and the parity on-grid has become the main trend of the current wind power industry. Based on this, under the premise of not increasing the cost, improving the equipment wind energy conversion rate through algorithm optimization has become the primary task of industry experts.

[0003] The power supply and signal transmission of the variable pitch system of the wind turbine to the control cabinet of the nacelle are completed through the python line from the slip ring to the hub. Due to the machining process or assembly precision, the hollow shaft cavities of the main shaft of the wind turbine and the gear box of the wind turbine are not well connected, and the protruding edge of the pipe end aggravates the wear of the python line protection layer. There are two problems with the python line from the slip ring to the hub. One is that the variable pitch communication hub python line is often worn and damaged, causing signal interference. The second is that the control cable from the slip ring to the hub is worn and broken, causing communication signal loss. At the same time, it will cause the hub signal line to surge and burn out, resulting in frequent reporting of variable pitch communication failure. The existing technology needs to remove the slip ring from one end and install the corresponding pipe and support, which is difficult to construct. In view of these problems, a ball type anti-wear support is needed. SUMMARY

[0004] The purpose of the present application is to provide a wind power hub python line ball type anti-wear support and its installation method, which completely isolates the python line protection layer and the inner wall of the cavity by using the ball type anti-wear support, thereby reducing the construction cost.

[0005] To achieve the above purpose, the present application provides the following technical solutions:

[0006] A wind power hub python line ball type anti-wear support, comprising two half-circular support bodies with the same size and structure, a left limiting groove and a right limiting groove are respectively formed in the left and right end faces of each support body, a plurality of recesses are formed in the inner and outer surfaces of each support body, and a spring ball is embedded in each recess.

[0007] Optionally or preferably, the support body is made of PA66 nylon material.

[0008] Optionally or preferably, bolt holes are formed in the vertical sections of the left limiting groove and the right limiting groove.

[0009] Optionally or preferably, the spring ball has an active stroke of 2.5mm in the spring direction.

[0010] Optionally or preferably, the left limiting groove and the right limiting groove are symmetrically arranged front and back.

[0011] The application provides a wind power hub python wire ball bearing type anti-wear support and a mounting method thereof.

[0012] S1, the two support bodies are respectively sleeved on the hub python wire from top to bottom;

[0013] S2, after the left limiting groove and the right limiting groove on the two support bodies are correspondingly attached, the two support bodies are fixedly connected through the fixed bolt holes in the form of bolts to form an integral support;

[0014] S3, after the integral support is firmly sleeved on the python wire, the spring ball is used to push the integral support into the two hollow cavities at the butt joint of the two hollow cavities along the hollow cavity of the main shaft.

[0015] The application has the advantages and beneficial effects that:

[0016] The application discloses a wind power hub python wire ball bearing type anti-wear support and a mounting method thereof, which completely isolates the python wire protective layer and the inner wall of the cavity by using the ball bearing type anti-wear support, fully utilizes the relative static characteristic of synchronous rotation of the cable and the hollow shaft, completely avoids the abrasion of the cable protective layer and the cavity, reduces the construction cost, is convenient to implement, does not need to remove the slip ring and other mechanical structures of the cable, and is directly implemented on the basis of the existing structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural schematic diagram of the application;

[0018] Fig. 2 is a front view of the application;

[0019] Fig. 3 is a spring ball schematic diagram of the application.

[0020] In the figure, 1 is a support body, 2 is a left limiting groove, 3 is a right limiting groove, 4 is a spring ball, and 5 is a fixed bolt hole. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the application in detail, preferred embodiments of the application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the application, but it cannot be understood as a limitation on the protection scope of the application.

[0022] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by the upper, lower, front, rear, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] In the description of the present application, unless otherwise explicitly defined, the words such as setting, mounting, connecting and the like should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0024] A wind power hub python wire ball type anti-wear support, comprising two half-circular support bodies 1 with the same size structure, a left limiting groove 2 and a right limiting groove 3 are respectively arranged on the left and right end faces of each support body 1, a plurality of recesses are arranged on the inner and outer surfaces of each support body 1, and a spring ball 4 is embedded in each recess.

[0025] According to an embodiment of the present application, the support body 1 is made of PA66 nylon material.

[0026] According to an embodiment of the present application, the vertical section of the left limiting groove 2 and the right limiting groove 3 is provided with a fixing bolt hole 5.

[0027] According to an embodiment of the present application, the spring ball 4 has an active stroke of 2.5mm in the spring direction.

[0028] According to an embodiment of the present application, the left limiting groove 2 and the right limiting groove 3 are symmetrically arranged front and back.

[0029] The present application provides a wind power hub python wire ball type anti-wear support and a mounting method thereof, comprising the following mounting steps:

[0030] S1, two support bodies 1 are respectively sleeved on the hub python wire from top to bottom;

[0031] S2, after the sections of the left limiting groove 2 and the right limiting groove 3 on the two support bodies 1 are correspondingly attached, the two support bodies 1 are fixedly connected through the fixing bolt hole 5 in the form of a bolt to form an integral support;

[0032] S3, after the integral support is firmly sleeved on the python wire, the spring ball 5 is used to push the support body inward along the hollow cavity of the main shaft to the butt joint of the two hollow cavities.

[0033] As Figs. 1-3As shown, two support bodies 1 are respectively sleeved from top to bottom on the hub python wire, the left limiting groove 2 and the right limiting groove 3 on the two support bodies 1 are correspondingly attached, then the two support bodies are fixed and connected along the axial direction through the fixing bolt holes 5 to form an integral support, after the integral support is firmly sleeved on the hub python wire, the integral support is pushed inward along the hollow cavity of the main shaft to the butt joint of the two hollow cavities, the spring ball 4 on the inner and outer surfaces of the support body 1 respectively contacts the python wire and the inner wall of the hollow cavity, the integral support is facilitated to be pushed into the butt joint of the two hollow cavities, since the hub python wire, the hollow shaft of the main shaft and the hollow shaft of the gear box rotate synchronously during the operation of the wind turbine generator, the support can ensure that the hub python wire can ensure that the python wire does not contact the inner wall of the hollow cavity at the butt joint of the hollow cavity, thereby avoiding the abrasion of the cable. The present application solves the technical problems that the python wire and the hollow shaft still exist displacement in the prior art, the python wire is abraded to a large extent, and the corresponding pipeline and support need to be installed after the slip ring is removed from one end in actual construction, and the construction difficulty is large.

[0034] The present application has been described in detail above in combination with the drawings and embodiments, but the present application is not limited to the above embodiments, and various changes can be made within the scope of the ordinary skill of the person skilled in the art, without departing from the purpose of the present application. Therefore, the present application is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope of the present application.

Claims

1. A windmill hub python wire ball type anti-wear support, characterized in that, It includes two half-circular support bodies (1) with the same size, left and right end faces of each support body (1) are respectively provided with left and right limiting grooves (2) and (3), inner and outer surfaces of each support body (1) are provided with a plurality of pits, each pit is embedded with a spring ball (4); the left and right limiting grooves (2) and (3) are symmetrical; the support body (1) is made of PA66 nylon material; the vertical section of each limiting groove (2) and (3) is provided with a fixing bolt hole (5); the movable stroke of the spring ball (4) along the spring direction is 2.5mm; The application relates to a mounting method of a wind power hub python wire ball type anti-abrasion support, which comprises the following steps: S1: two support bodies (1) are respectively sleeved on a hub python wire from top to bottom; S2: after the sections of the left and right limiting grooves (2) and (3) of the two support bodies (1) are correspondingly attached, the two support bodies (1) are fixedly connected through the fixing bolt holes (5) in the form of bolts to form an integral support; S3: after the integral support is firmly sleeved on the python wire, the support is pushed inward along the hollow cavity of the main shaft to the butt joint of the two hollow cavities through the spring ball (4).

Images