CN210739144U

CN210739144U - Split type outer ring for wind power generation variable pitch bearing

Info

Publication number: CN210739144U
Application number: CN201921748452.2U
Authority: CN
Inventors: 河宪周
Original assignee: Changzhou Xinluo Machinery Manufacturing Co Ltd
Current assignee: Changzhou Xinluo Machinery Manufacturing Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-12
Anticipated expiration: 2029-10-18

Abstract

The utility model belongs to the technical field of the bearing technique and specifically relates to a wind power generation becomes oar split type outer lane for bearing, including the mutual arc of concatenation of polylith, it is adjacent all connect through cartridge mechanism between the arc, cartridge mechanism includes the cartridge board of fixed connection at arc one end tip, another the cartridge groove that matches mutually with the cartridge board is seted up to the tip of arc, the cartridge board slides the cartridge inside the cartridge groove, just be equipped with a plurality of fastening device between cartridge board and the arc. The utility model has the advantages that the plurality of arc-shaped plates can be tightly spliced by arranging the plurality of inserting mechanisms, so that the bearing outer ring is formed, the worn part can be conveniently replaced in the later period, and the maintenance cost is greatly reduced; set up fastening device to can carry out locking with the cartridge mechanism and fix, the connection compactness between the adjacent arc of effectual improvement avoids appearing the separation phenomenon at the in-process of installation.

Description

Split type outer ring for wind power generation variable pitch bearing

Technical Field

The utility model relates to a bearing field especially relates to a wind power generation becomes oar split type outer lane for bearing.

Background

The variable pitch system is one of the core parts of a large-scale wind turbine control system, and plays an important role in safe, stable and efficient operation of the wind turbine. The stable pitch control becomes one of the hot spots and difficulties of the current large-scale wind generating set control technology research. The variable-pitch bearing is one of indispensable parts in a variable-pitch system, but most of the outer rings of the existing variable-pitch bearings are fixed, so that the abrasion phenomenon is easy to occur in the long-time use process, the whole outer ring is usually directly replaced according to the existing maintenance mode, the labor intensity of maintenance personnel is increased, and the maintenance cost is increased, so that the split outer ring for the wind power generation variable-pitch bearing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the maintenance personal's that exists not only to strengthen intensity of labour among the prior art, increased cost of maintenance's shortcoming simultaneously, and the split type outer lane is used to wind power generation becomes oar bearing that proposes.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a wind power generation becomes oar split type outer lane for bearing, includes the arc that the polylith spliced each other, and is adjacent all connect through cartridge mechanism between the arc, cartridge mechanism includes the cartridge board of fixed connection at arc one end tip, another the cartridge groove that matches mutually with the cartridge board is seted up to the tip of arc, the cartridge board slides the cartridge inside the cartridge groove, just be equipped with a plurality of fastening device between cartridge board and the arc.

Preferably, fastening device is including installing the spacing pipe in the inside bottom of cartridge inslot perpendicularly, spacing hole has been seted up on the plugboard that spacing pipe corresponds the position, the inside below of spacing pipe is connected with the spacing board, the vertical slip cartridge of intermediate position of spacing board has the actuating lever, the installation through-hole has been seted up on the arc that the actuating lever corresponds the position, the actuating lever extends to inside the installation through-hole, just the actuating lever outside cover of going up the spacing board below has connect down the spacing board, it is inside that the spacing board is located spacing pipe down, the actuating lever outside cover between spacing board and the lower spacing board is equipped with reset spring down, the top fixedly connected with thread head of actuating lever, the thread hole has been seted up to the spacing hole bottom that the thread head corresponds the position, thread head thread cartridge is inside the screw hole.

Preferably, the lower limiting plate and the driving rod are of an integrally formed structure, and the outer diameter of the lower limiting plate is larger than the inner diameter of the installation through hole.

Preferably, the end part of the driving rod in the mounting through hole is provided with a dismounting hole, and the dismounting hole is arranged in a hexagonal shape.

Preferably, the polylith the common cover in outside of arc is equipped with the protection casing, the inboard bottom of protection casing has many cartridge posts along circumferencial direction equidistance horizontally connected, the cartridge hole has all been seted up on the arc that the cartridge post corresponds the position, and is a plurality of the cartridge post cartridge is inside adjacent cartridge hole respectively, just the bolt hole has all been seted up to the one end that the protection casing was kept away from in the cartridge hole, the inside locking bolt that all installs of bolt hole, pass through threaded connection between locking bolt and the cartridge post.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model has the advantages that the plurality of arc-shaped plates can be tightly spliced by arranging the plurality of inserting mechanisms, so that the bearing outer ring is formed, the worn part can be conveniently replaced in the later period, and the maintenance cost is greatly reduced;

2. set up fastening device to can carry out locking with the cartridge mechanism and fix, the connection compactness between the adjacent arc of effectual improvement avoids appearing the separation phenomenon at the in-process of installation.

Drawings

Fig. 1 is a schematic structural view of a split outer ring for a wind turbine pitch bearing provided by the present invention;

fig. 2 is a schematic view of an exploded structure of a split outer ring for a wind turbine pitch bearing provided by the present invention;

FIG. 3 is a schematic structural view of a split outer ring arc-shaped plate for a wind turbine pitch bearing provided by the utility model;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic structural view of a split outer ring for a wind turbine pitch bearing provided by the utility model at the side of an arc-shaped plate shaft;

fig. 6 is an enlarged schematic view of B in fig. 5.

In the figure: the device comprises an arc-shaped plate 1, a protective cover 2, a locking bolt 3, a bolt hole 4, a plug-in column 5, a plug-in plate 6, a limiting hole 7, a threaded hole 8, a plug-in groove 9, a limiting pipe 10, a driving rod 11, a threaded head 12, a lower limiting plate 13, a return spring 14, an upper limiting plate 15, a dismounting hole 16 and an installation through hole 17.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figures 1-6, the split type outer ring for the wind power generation variable-pitch bearing comprises a plurality of arc plates 1 which are mutually spliced, a protective cover 2 is jointly sleeved on the outer side of each arc plate 1, a plurality of inserting columns 5 are horizontally connected to the bottom end of the inner side of the protective cover 2 at equal intervals along the circumferential direction, inserting holes are formed in the arc plates 1 at positions corresponding to the inserting columns 5, the inserting columns 5 are respectively inserted into adjacent inserting holes, bolt holes 4 are formed in the ends, far away from the protective cover 2, of the inserting holes, locking bolts 3 are installed in the bolt holes 4, the locking bolts 3 are connected with the inserting columns 5 through threads, the adjacent arc plates 1 are connected through inserting mechanisms, each inserting mechanism comprises an inserting plate 6 fixedly connected to the end portion of one end of each arc plate 1, an inserting groove 9 matched with the inserting plate 6 is formed in the end portion of the other arc plate 1, the inserting plate 6 is inserted in the inserting groove 9 in a sliding manner, and a plurality of fastening mechanisms are arranged between the inserting plate 6 and the arc-shaped plate 1; through setting up polylith arc 1 to can splice into the bearing inner race, the later stage of being convenient for is changed the wearing and tearing position, great reduction cost of maintenance, through setting up protection casing 2, thereby can protect polylith arc 1, increase the connectivity between polylith arc 1 simultaneously, through setting up cartridge post 5 and locking bolt 3, thereby can improve the installation stability of protection casing 2.

The fastening mechanism comprises a limiting pipe 10 vertically installed at the bottom end inside an insertion groove 9, a limiting hole 7 is formed in an insertion plate 6 at a position corresponding to the limiting pipe 10, an upper limiting plate 15 is connected below the inner portion of the limiting pipe 10, a driving rod 11 is vertically inserted in the middle position of the upper limiting plate 15 in a sliding and inserting mode, an installation through hole 17 is formed in an arc plate 1 at a position corresponding to the driving rod 11, the driving rod 11 extends into the installation through hole 17, a lower limiting plate 13 is fixedly sleeved on the outer side of the driving rod 11 below the upper limiting plate 15, the lower limiting plate 13 and the driving rod 11 are of an integrated structure, the outer diameter of the lower limiting plate 13 is larger than the inner diameter of the installation through hole 17, the lower limiting plate 13 is located inside the limiting pipe 10, a reset spring 14 is sleeved on the outer side of the driving rod 11 between the upper limiting plate 15 and the lower limiting plate 13, a thread head 12 is fixedly connected to the top, the thread head 12 is inserted in the threaded hole 8 in a threaded manner; through setting up spacing pipe 10 and spacing hole 7, thereby can carry on spacingly to cartridge board 6, avoid cartridge board 6 the phenomenon of rocking to appear, through setting up reset spring 14, go up spacing plate 15 and lower limiting plate 13, thereby can promote actuating lever 11, avoid cartridge board 6 the not-in-place phenomenon of installation to appear, through promoting actuating lever 11 inside the installation through-hole 17 and when rotating, thereby thread head 12 meeting screw thread cartridge is inside screw hole 8, carry out zonulae occludens with cartridge board 6 and arc 1 with this.

The end part of the driving rod 11 in the installation through hole 17 is provided with a dismounting hole 16, and the dismounting hole 16 is arranged in a hexagon shape; by providing the dismounting hole 16, the driving rod 11 can be driven by a tool conveniently used by a maintenance person, and the maintenance efficiency is effectively increased.

The utility model discloses: firstly, a plurality of arc-shaped plates 1 are tightly spliced by arranging a plurality of inserting mechanisms to form a bearing outer ring, so that the worn part can be conveniently replaced in the later period, and the maintenance cost is greatly reduced; the inserting mechanism is locked and fixed by arranging the fastening mechanism, the connection tightness between the adjacent arc-shaped plates 1 is effectively improved, and the separation phenomenon in the installation process is avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wind power generation becomes oar split type outer lane for bearing, includes arc (1) that the polylith spliced each other, its characterized in that, and is adjacent all connect through cartridge mechanism between arc (1), cartridge mechanism includes plug-in board (6) of fixed connection at arc (1) one end tip, another the tip of arc (1) seted up with plug-in board (6) assorted plug-in groove (9), plug-in board (6) slip cartridge is inside plug-in groove (9), just be equipped with a plurality of fastening device between plug-in board (6) and arc (1).

2. The split type outer ring for the wind power generation variable pitch bearing according to claim 1, wherein the fastening mechanism comprises a limiting pipe (10) vertically installed at the bottom end inside a slot (9), a limiting hole (7) is formed in an insertion plate (6) at a position corresponding to the limiting pipe (10), an upper limiting plate (15) is connected to the lower portion inside the limiting pipe (10), a driving rod (11) is vertically slidably inserted in the middle of the upper limiting plate (15), an installation through hole (17) is formed in an arc plate (1) at a position corresponding to the driving rod (11), the driving rod (11) extends to the inside of the installation through hole (17), a lower limiting plate (13) is fixedly connected to the outer side of the driving rod (11) below the upper limiting plate (15), the lower limiting plate (13) is located inside the limiting pipe (10), and a reset spring is sleeved on the outer side of the driving rod (11) between the upper limiting plate (15) and the lower limiting plate (13) (14) The top end of the driving rod (11) is fixedly connected with a threaded head (12), a threaded hole (8) is formed in the bottom end of the limiting hole (7) in the corresponding position of the threaded head (12), and the threaded head (12) is inserted into the threaded hole (8) in a threaded manner.

3. The split type outer ring for the wind power generation pitch bearing is characterized in that the lower limiting plate (13) and the driving rod (11) are of an integrally formed structure, and the outer diameter of the lower limiting plate (13) is larger than the inner diameter of the mounting through hole (17).

4. The split type outer ring for the wind power generation pitch bearing is characterized in that a dismounting hole (16) is formed in the end portion of the driving rod (11) in the mounting through hole (17), and the dismounting hole (16) is arranged in a hexagonal shape.

5. The split type outer ring for the wind power generation variable pitch bearing is characterized in that a protective cover (2) is sleeved on the outer side of the arc-shaped plates (1) together, a plurality of insertion columns (5) are horizontally connected to the bottom end of the inner side of the protective cover (2) at equal intervals in the circumferential direction, insertion holes are formed in the arc-shaped plates (1) at positions corresponding to the insertion columns (5), the insertion columns (5) are inserted into adjacent insertion holes respectively, bolt holes (4) are formed in one ends, far away from the protective cover (2), of the insertion holes, locking bolts (3) are installed inside the bolt holes (4), and the locking bolts (3) are connected with the insertion columns (5) through threads.