CN219035313U

CN219035313U - Cylindrical roller variable pitch bearing

Info

Publication number: CN219035313U
Application number: CN202320115215.2U
Authority: CN
Inventors: 王继伟; 徐风霞; 马振峰
Original assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Current assignee: Shandong Gongyi Bearing Manufacturing Co ltd
Priority date: 2023-02-05
Filing date: 2023-02-05
Publication date: 2023-05-16
Anticipated expiration: 2033-02-05

Abstract

The utility model provides a cylindrical roller variable-pitch bearing, which relates to the technical field of bearings and aims at solving the problems that the sealing effect of the top of the bearing cannot be better achieved and dust cannot be prevented from entering the bearing when the conventional variable-pitch bearing is used, and comprises an installation part; the installation part is a variable pitch bearing body, and the main body is of a circular ring structure; the sealing element on the sealing part is arranged on the top of the rotating element on the rotating part; the fixed piece on the fixed part is connected with the rotating piece; the sealing element is of a circular ring structure; the plug-in component is arranged in the round hole on the rotating component; install at the rotating member top through the sealing member, and then make the plug-in components insert the round hole on the rotating member inside, and then make the sealing member install at the rotating member top, can carry out shutoff seal through sealing member and plug-in components on the rotating member to can prevent that the dust from getting into, better assurance the life of main part, it is sealed more tight.

Description

Cylindrical roller variable pitch bearing

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a cylindrical roller pitch bearing.

Background

Pitch bearings, also known as blade bearings, are a component of modern wind turbines for connecting a rotor hub and rotor blades; the bearings allow the required oscillations to control the load and power of the wind turbine; the pitch system brings the blades to a required position by adjusting the pneumatic attack angle; based on discovery in the prior art, current variable pitch bearing can't be better when using the sealed effect of bearing top, can't prevent the entering of dust, and current variable pitch bearing is in the time of using, is in the same place bearing and pivot inseparable connection through the mode of beating the bearing generally, and the installation is dismantled loaded down with trivial details.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a cylindrical roller pitch bearing, which solves the problems that the sealing effect of the top of a bearing cannot be better achieved, dust cannot be prevented from entering the bearing when the conventional pitch bearing is used, and the bearing and a rotating shaft are tightly connected together in a knocking way, so that the installation and the disassembly are complicated.

The utility model discloses a purpose and an effect of a cylindrical roller variable pitch bearing, which are achieved by the following specific technical means:

a cylindrical roller pitch bearing comprises a mounting part, a rotating part, a sealing part and a fixing part;

the installation department is become oar bearing body, and the installation department is including: the main body is of a circular ring structure, and the side edge of the main body is provided with a latch; the rotating part is arranged on the inner side of the mounting part; the sealing part is arranged at the top of the rotating part, and the sealing piece on the sealing part is arranged at the top of the rotating piece on the rotating part; the fixed part is arranged on the inner side of the rotating part, and the fixed piece on the fixed part is connected with the rotating piece.

Further, the mounting portion further includes: an insert;

the inserts are of annular structures and are mounted on the inner wall of the main body.

Further, the rotating part includes: a rotating member, a rotating groove, and a rotating member;

the rotating piece is of a circular ring structure, and a round hole is formed in the top of the rotating piece; the rotary groove is of a circular ring structure, is formed in the rotary piece, and is internally provided with an insert; the rotating piece is of a cylindrical structure and is installed inside the rotary groove.

Further, the sealing part includes: a seal and an insert;

the sealing element is of a circular ring structure; the plug-in components are cylindrical structure, and the plug-in components are installed in the round hole inside on the rotating member in sealing member bottom.

Further, the fixing portion includes: the fixing piece, the top piece and the bottom piece;

the fixing piece is of a circular ring structure, and a round hole is formed in the fixing piece; the top piece is of a circular ring structure and is connected with the fixing piece; the bottom piece is cylindrical structure, and the bottom piece bottom is equipped with cylindrical arch, and the bottom piece is installed in the top piece bottom to the round hole inside on the mounting is installed to the bottom piece.

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

1. in the device, the sealing element and the plug-in are arranged, the sealing element is arranged at the top of the rotating element, and the plug-in is arranged at the bottom of the sealing element, so that when the device is used, the plug-in is arranged at the top of the rotating element through the sealing element, and then the plug-in is inserted into the round hole on the rotating element, so that the sealing element is arranged at the top of the rotating element, the round hole on the rotating element can be plugged and sealed through the sealing element and the plug-in, thereby preventing dust from entering, better ensuring the service life of the main body, and ensuring more tight sealing;

2. in this device, setting up mounting and top piece, the mounting of here is installed on the rotating member, and the top piece is installed on the mounting, and then makes when using, when the installation, through the downwardly moving main part for the main part drives the mounting and moves down, and then makes top piece and pivot contact, and the elastic material that the top piece set up, and then can be better fix in the pivot, and the main part continues to move down to drive the mounting and remove on the bottom piece, and then make mounting and pivot in close contact, thereby make the installation more convenient.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an exploded perspective view of the mounting portion and the rotating portion of the present utility model.

Fig. 3 is an exploded perspective view of the rotary part and the sealing part of the present utility model.

Fig. 4 is a schematic exploded view of the stationary part of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a mounting part; 101. a main body; 102. an insert;

2. a rotating part; 201. a rotating member; 202. a rotary groove; 203. a rotating member;

3. a sealing part; 301. a seal; 302. an insert;

4. a fixing part; 401. a fixing member; 402. a top piece; 403. a base member.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 4:

the utility model provides a cylindrical roller pitch bearing, which comprises a mounting part 1, a rotating part 2, a sealing part 3 and a fixing part 4; the installation department 1 is the pitch bearing body, and installation department 1 is including: the main body 101, the main body 101 is of a circular ring structure, and the side edge of the main body 101 is provided with a latch; the main body 101 is a pitch bearing body, which is a mature prior art; the rotating part 2 is arranged on the inner side of the mounting part 1; the seal part 3 is mounted on top of the rotating part 2, and the seal 301 on the seal part 3 is mounted on top of the rotating part 201 on the rotating part 2; the fixing portion 4 is installed inside the rotating portion 2, and the fixing member 401 on the fixing portion 4 is connected to the rotating member 201.

As shown in fig. 2, the mounting portion 1 further includes: an insert 102; the insert 102 is of a circular ring structure, and the insert 102 is mounted on the inner wall of the main body 101; the insert 102 is used to be mounted inside the rotary groove 202 for rotation.

As shown in fig. 2, the rotating unit 2 includes: a rotating member 201, a rotating groove 202, and a rotating member 203; the rotating piece 201 is of a circular ring structure, and a round hole is formed in the top of the rotating piece 201; the rotary member 201 is used to form a rotary groove 202; the rotary groove 202 is of a circular ring structure, the rotary groove 202 is formed in the rotary piece 201, and the insert 102 is installed in the rotary groove 202; the rotating groove 202 is used for installing the insert 102 and the rotating member 203; the rotating member 203 has a cylindrical structure, and the rotating member 203 is installed inside the rotating groove 202; the rotation member 203 is used here to make the rotation of the insert 102 smoother.

As shown in fig. 3, the sealing portion 3 includes: a seal 301 and an insert 302; the sealing element 301 is of a circular ring structure; the sealing member 301 is used for sealing the round hole at the top of the rotating member 201; the insert 302 has a cylindrical structure, the insert 302 is mounted at the bottom of the sealing member 301, and the insert 302 is mounted inside a circular hole on the rotating member 201; the insert 302 is used to insert into the circular hole of the rotating member 201, so that the rotating member 201 can have a better sealing effect and prevent dust from entering.

As shown in fig. 4, the fixing portion 4 includes: a fixing member 401, a top member 402, and a bottom member 403; the fixing piece 401 is of a circular ring structure, and a round hole is formed in the fixing piece 401; the fixing member 401 is used to contact with the rotating shaft, so as to be fixed on the rotating shaft; the top piece 402 is of a circular ring structure, and the top piece 402 is connected with the fixing piece 401; the top piece 402 is made of elastic materials and can be better fixed on the rotating shaft, and the fixing piece 401 moves downwards on the bottom piece 403, so that the fixing piece 401 is more convenient to install on the rotating shaft; the bottom piece 403 is of a cylindrical structure, a cylindrical bulge is arranged at the bottom of the bottom piece 403, the bottom piece 403 is arranged at the bottom of the top piece 402, and the bottom piece 403 is arranged inside a round hole on the fixing piece 401; the bottom member 403 is used to facilitate the installation between the fixing member 401 and the shaft.

Specific use and action of the embodiment:

according to the utility model, when the device is used, during installation, the main body 101 drives the fixing piece 401 to move downwards by moving the main body 101 downwards, so that the top piece 402 is contacted with the rotating shaft, the elastic material arranged on the top piece 402 can be better fixed on the rotating shaft, the main body 101 continues to move downwards, and drives the fixing piece 401 to move on the bottom piece 403, so that the fixing piece 401 is in close contact with the rotating shaft, the installation is more convenient, the sealing piece 301 is arranged at the top of the rotating piece 201, the plug 302 is inserted into a round hole in the rotating piece 201, the sealing piece 301 is arranged at the top of the rotating piece 201, and the round hole in the rotating piece 201 can be plugged and sealed by the sealing piece 301 and the plug 302, so that dust can be prevented from entering, the service life of the main body 101 is better ensured, the sealing is more tight, and during the disassembly, the fixing piece 401 is lifted upwards, the top piece 402 is lifted, and the fixing piece 401 and the top piece 402 are conveniently and quickly disassembled from the rotating shaft.

Claims

1. The utility model provides a cylindrical roller becomes oar bearing which characterized in that: comprises a mounting part (1), a rotating part (2), a sealing part (3) and a fixing part (4);

the installation department (1) is the pitch bearing body, and installation department (1) is including: the main body (101), the main body (101) is of a circular ring structure, and the side edge of the main body (101) is provided with a latch; the rotating part (2) is arranged on the inner side of the mounting part (1); the sealing part (3) is arranged at the top of the rotating part (2), and the sealing piece (301) on the sealing part (3) is arranged at the top of the rotating piece (201) on the rotating part (2); the fixing part (4) is arranged on the inner side of the rotating part (2), and a fixing piece (401) on the fixing part (4) is connected with the rotating piece (201).

2. A cylindrical roller pitch bearing according to claim 1, wherein: the mounting portion (1) further includes: an insert (102);

the insert (102) is of a circular ring structure, and the insert (102) is mounted on the inner wall of the main body (101).

3. A cylindrical roller pitch bearing according to claim 2, wherein: the rotating part (2) includes: a rotating member (201), a rotating groove (202), and a rotating member (203);

the rotating piece (201) is of a circular ring structure, and a round hole is formed in the top of the rotating piece (201); the rotary groove (202) is of a circular ring structure, the rotary groove (202) is arranged in the rotary piece (201), and the insert (102) is arranged in the rotary groove (202); the rotating member (203) has a cylindrical structure, and the rotating member (203) is installed inside the rotating groove (202).

4. A cylindrical roller pitch bearing according to claim 3, wherein: the seal part (3) includes: a seal (301) and an insert (302);

the sealing element (301) is of a circular ring structure; the insert (302) is of a cylindrical structure, the insert (302) is mounted at the bottom of the sealing piece (301), and the insert (302) is mounted inside a round hole in the rotating piece (201).

5. A cylindrical roller pitch bearing according to claim 1, wherein: the fixing part (4) comprises: a fixing member (401), a top member (402) and a bottom member (403);

the fixing piece (401) is of a circular ring structure, and a round hole is formed in the fixing piece (401); the top piece (402) is of a circular ring structure, and the top piece (402) is connected with the fixing piece (401); the bottom piece (403) is of a cylindrical structure, a cylindrical bulge is arranged at the bottom of the bottom piece (403), the bottom piece (403) is arranged at the bottom of the top piece (402), and the bottom piece (403) is arranged inside a round hole on the fixing piece (401).