Tool for maintaining variable pitch bearing of fan

Abstract

The utility model relates to the field of fan variable-pitch bearing maintenance, and discloses a tool for fan variable-pitch bearing maintenance, which comprises a base, a rotating shaft is rotatably connected to the inner wall of the upper part of the base, a gear is fixedly connected to the outer wall of the rotating shaft, and a mounting seat is fixedly connected to the outer wall of the rotating shaft. A shovel body is clamped to the inner wall of the mounting seat, a fixing block is fixedly connected to the upper end of the base, a connecting rod is slidably connected to the inner wall of the rear side of the base, a connecting block is rotatably connected to the front side of the connecting rod, and a toothed plate is fixedly connected to the front end of the connecting block. According to the tool, the connecting rod, the toothed plate, the mounting seat and the like are arranged, the connecting rod is rotated to drive the connecting block and the toothed plate to move, the toothed plate moves to drive the toothed block, the rotating shaft and the mounting seat to rotate, the shovel body is driven to rotate to adjust the angle with the handle, adjustment is flexible, the tool does not need to be taken out of the bearing, and flexibility is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fan variable pitch bearing maintenance, especially to a tool for fan variable pitch bearing maintenance. BACKGROUND

[0002] Through the retrieval, the patent of China announcement number: CN222094105U discloses a variable pitch bearing oil dirt cleaning tool, including shovel body and handle, the shovel body has the shovel head, shovel body and shovel tail that set gradually, the shovel head is located one end of the shovel body and both are in the same plane, the shovel head is used for scraping shovel oil dirt, the shovel body is used for containing the oil dirt, the shovel tail is located the other end of the shovel body, the shovel tail is away from the one end of the shovel body and has the folding part, the folding part and the shovel body have the included angle between, the top end of the folding part is connected with the connecting shaft, one end of the handle is connected with the mounting ring, the mounting ring and the connecting shaft coaxial connection, the mounting ring and the connecting shaft relative rotation, to make the relative angle of the shovel body and the handle adjustable. The utility model discloses through shovel body has the shovel head, shovel body and shovel tail that set gradually, the shovel head is located one end of the shovel body, the shovel tail is located the other end of the shovel body, and the shovel body can directly extend into the clearance of variable pitch bearing to scrape the oil dirt, and the operation is convenient, the shovel tail is away from the one end of the shovel body and has the folding part, the folding part and the shovel body have the included angle between, the top end of the folding part is connected with the connecting shaft, one end of the handle is connected with the mounting ring, the mounting ring and the connecting shaft coaxial connection and can be relative rotation, to make the relative angle of the shovel body and the handle adjustable, when cleaning oil dirt, can be combined with the clearance position of variable pitch bearing and adjust the relative angle of shovel body and handle flexibly, facilitate the maintenance personnel to clean variable pitch bearing completely, solve the problem that the oil dirt in variable pitch bearing is difficult to clean thoroughly.

[0003] In the above technology, although the relative angle of the shovel body and the handle can be flexibly adjusted in combination with the clearance position of the variable pitch bearing when cleaning the oil dirt, the tool needs to be taken out from the bearing and then the angle needs to be adjusted when the angle needs to be adjusted, which is inconvenient to adjust. Therefore, a tool for fan variable pitch bearing maintenance is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a tool for fan variable pitch bearing maintenance, which aims to improve the problem of angle adjustment in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a tool for fan variable pitch bearing maintenance, including base, the upper inner wall of base is rotatably connected with the shaft, the outer wall of shaft is fixedly connected with gear, the outer wall of shaft is fixedly connected with mounting seat, the inner wall of mounting seat is clamped with spade body, the upper end of base is fixedly connected with fixed block, the rear side inner wall of base is slidably connected with connecting rod, the front side of connecting rod is rotatably connected with the link block, the front end of link block is fixedly connected with the toothed plate, the right side inner wall of mounting seat is provided with quick release assembly, quick release assembly is used for the replacement of spade body, the rear end of base is fixedly connected with handle.

[0006] As a further description of the above technical scheme:

[0007] The quick release assembly includes a limiting block, the right end of the limiting block is elastically connected to the inner wall of the mounting seat through a spring, and the right end of the limiting block is fixedly connected with a fixed plate.

[0008] As a further description of the above technical scheme:

[0009] One end of the spring is fixedly connected to the inner wall of the mounting seat, and the other end of the spring is fixedly connected to the right end of the limiting block.

[0010] As a further description of the above technical scheme:

[0011] The front end of the limiting block is obliquely arranged, and the outer wall of the limiting block is slidably connected to the inner wall of the mounting seat.

[0012] As a further description of the above technical scheme:

[0013] The front side and the upper side of the mounting seat are provided with openings, and the upper end inner wall of the mounting seat is provided with a through hole.

[0014] As a further description of the above technical scheme:

[0015] The gear and the toothed plate are engaged.

[0016] As a further description of the above technical scheme:

[0017] The outer wall of the toothed plate is slidably connected to the upper inner wall of the base.

[0018] As a further description of the above technical scheme:

[0019] The inner wall of the connecting rod is provided with a threaded groove, and the connecting rod is threadedly connected to the rear side inner wall of the handle.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model discloses a connecting rod, toothed plate and mounting seat are set up, and the connecting rod is rotated and drives the shift block and toothed plate to move, and the movement of toothed plate drives the gear block, pivot and mounting seat to rotate, drives the shovel body to rotate and adjusts the angle with the handle, and the adjustment is flexible and does not need to take out the tool from the bearing, and the flexibility is higher.

[0022] 2. The utility model discloses a limiting block, spring and fixed plate are set up, and when maintaining, if the oil dirt is not convenient to clean and is adhered in large quantities on the shovel body, the limiting block can be used to realize the quick replacement of the shovel body, saves time and improves the maintenance efficiency. DRAWINGS

[0023] Figure 1 A three-dimensional schematic view of a tool for fan variable pitch bearing maintenance is provided for the utility model;

[0024] Figure 2 An exploded schematic view of a tool for fan variable pitch bearing maintenance is provided for the utility model;

[0025] Figure 3 A mounting seat schematic view of a tool for fan variable pitch bearing maintenance is provided for the utility model;

[0026] Figure 4 A connecting rod and handle section view schematic view of a tool for fan variable pitch bearing maintenance is provided for the utility model.

[0027] Legend:

[0028] 1, base; 2, fixed block; 3, handle; 4, connecting rod; 5, shovel body; 6, mounting seat; 7, fixed plate; 8, gear; 9, pivot; 10, toothed plate; 11, spring; 12, limiting block; 13, shift block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] Reference Figure 1 , Figure 2 and Figure 4The utility model provides a kind of embodiment for fan variable pitch bearing maintenance tool, including base 1, the rotation of base 1 is provided with the support of rotating shaft 9, base 1 is the sliding support of gear plate 10, the upper inner wall of base 1 is rotatably connected with rotating shaft 9, rotating shaft 9 is driven mounting base 6 to rotate by the rotation of gear 8, the outer wall of rotating shaft 9 is fixedly connected with gear 8, gear 8 is rotated by the movement of gear plate 10, gear 8 and gear plate 10 are engaged, the outer wall of rotating shaft 9 is fixedly connected with mounting base 6, the sliding support of mounting base 6 is provided as limit block 12, the setting for mounting shovel body 5 is used for mounting base 6, shovel body 5 is driven to rotate by the rotation of rotating shaft 9 of mounting base 6, the front side and the upper side of mounting base 6 are provided with opening, the upper end inner wall of mounting base 6 is provided with through hole, the inner wall of mounting base 6 is clamped with shovel body 5, the setting of shovel body 5 can clean the oil dirt in bearing, the upper end of base 1 is fixedly connected with fixed block 2, the rotation of fixed block 2 is provided with the support of rotating shaft 9, the rear side inner wall of base 1 is slidably connected with connecting rod 4, the rotation of connecting rod 4 drives the movement of link block 13, the inner wall of connecting rod 4 is provided with screw groove, connecting rod 4 is screw-connected on the rear side inner wall of handle 3, the front side of connecting rod 4 is rotatably connected with link block 13, link block 13 is used for connecting connecting rod 4 and gear plate 10, the front end of link block 13 is fixedly connected with gear plate 10, the movement of gear plate 10 drives gear 8 to rotate, the outer wall of gear plate 10 is slidably connected on the upper inner wall of base 1, quick release assembly is provided on the right inner wall of mounting base 6, and quick release assembly is used for the replacement of shovel body 5, the rear end of base 1 is fixedly connected with handle 3, and handle 3 is used for holding tool.

[0031] Referring to Figure 1 And Figure 3 Quick release assembly includes limit block 12, the inner wall of shovel body 5 is clamped on the outer wall of limit block 12, and shovel body 5 is fixed in mounting base 6, the front end of limit block 12 is arranged in inclined shape, the inner wall of mounting base 6 is slidably connected on the outer wall of limit block 12, the inner wall of mounting base 6 is elastically connected on the right end of limit block 12 by spring 11, shovel body 5 moves from the front side of mounting base 6 to the inside of mounting base 6, the outer wall of shovel body 5 extrudes the inclined surface of limit block 12, limit block 12 is retracted on the inner wall of mounting base 6, after shovel body 5 is installed in place, limit block 12 is clamped on the inner wall of shovel body 5 by the elastic action of spring 11, and shovel body 5 is fixed in mounting base 6, one end of spring 11 is fixedly connected on the inner wall of mounting base 6, the other end of spring 11 is fixedly connected on the right end of limit block 12, and the right end of limit block 12 is fixedly connected with fixed plate 7.

[0032] Working principle: by rotating connecting rod 4, connecting rod 4 rotation drive the movement of the block 13 and the gear plate 10, through the movement of the gear plate 10 make gear 8 rotation, gear 8 rotation drive the rotation of the shaft 9, the rotation of the shaft 9 drive the installation seat 6 rotation, the installation seat 6 rotation drive the shovel body 5 rotation, for adjusting the angle of handle 3 and shovel body 5, facilitate the operation and maintenance personnel to clean the variable pitch bearing, by moving the fixed plate 7 drive the limit block 12 from the inner wall of shovel body 5, can remove the fixed to shovel body 5, can be disassembled shovel body 5, replace the new shovel body 5, the new shovel body 5 from the front side of the installation seat 6 to the installation seat 6 moves, the outer wall of shovel body 5 extrusion limit block 12 slope, limit block 12 retract to the inner wall of installation seat 6, after the installation of shovel body 5 in place, limit block 12 through the elastic effect of spring 11 clamping in the inner wall of shovel body 5 will be fixed in the installation seat 6, complete installation.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A tool for wind turbine variable pitch bearing maintenance, comprising a base (1), characterized in that: The upper inner wall of the base (1) is rotatably connected with a rotating shaft (9), the outer wall of the rotating shaft (9) is fixedly connected with a gear (8), the outer wall of the rotating shaft (9) is fixedly connected with a mounting seat (6), the inner wall of the mounting seat (6) is clamped with a shovel body (5), the upper end of the base (1) is fixedly connected with a fixed block (2), the rear inner wall of the base (1) is slidably connected with a connecting rod (4), the front side of the connecting rod (4) is rotatably connected with a link block (13), the front end of the link block (13) is fixedly connected with a toothed plate (10), the right inner wall of the mounting seat (6) is provided with a quick release assembly, the quick release assembly is used for replacing the shovel body (5), and the rear end of the base (1) is fixedly connected with a handle (3).

2. A tool for wind turbine variable pitch bearing maintenance according to claim 1, characterized in that: The quick release assembly comprises a limiting block (12), and the right end of the limiting block (12) is elastically connected to the inner wall of the mounting seat (6) through a spring (11).

3. A tool for wind turbine variable pitch bearing maintenance according to claim 2, characterized in that: One end of the spring (11) is fixedly connected to the inner wall of the mounting seat (6), and the other end of the spring (11) is fixedly connected to the right end of the limiting block (12).

4. A tool for wind turbine variable pitch bearing maintenance according to claim 2, characterized in that: The front end of the limiting block (12) is obliquely arranged, and the outer wall of the limiting block (12) is slidably connected to the inner wall of the mounting seat (6).

5. A tool for wind turbine variable pitch bearing maintenance according to claim 1, characterized in that: The front side and the upper side of the mounting seat (6) are provided with openings, and the upper end of the inner wall of the mounting seat (6) is provided with a through hole.

6. A tool for wind turbine variable pitch bearing maintenance according to claim 1, characterized in that: The gear (8) and the toothed plate (10) are engaged.

7. A tool for wind turbine variable pitch bearing maintenance according to claim 1, characterized in that: The outer wall of the toothed plate (10) is slidably connected to the upper inner wall of the base (1).

8. A tool for wind turbine variable pitch bearing maintenance according to claim 1, characterized in that: The inner wall of the connecting rod (4) is provided with a threaded groove, and the connecting rod (4) is threadedly connected to the rear inner wall of the handle (3).

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