Bearing with positioning structure
By designing a positioning structure in the bearing in the wind turbine, and using components such as limit bolts, support rods, butt blocks and clamps, the problem of bearings being easily worn, vibration and fatigue after long-term operation is solved, and the stable operation and service life of the bearing are achieved.
Patent Information
- Application Number
- CN202421498617.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The bearings in wind turbines are easily affected by factors such as wear, vibration and fatigue after long-term operation, resulting in deformation or wear of the mating surface between the outer ring and the inner ring, increasing friction and vibration, and thus causing bearing damage.
A bearing with a positioning structure is designed. By installing a rolling element ring between the outer ring and the inner ring, and using structures such as limit bolts, support rods, butt blocks and clamps, the relative displacement between the outer ring and the inner ring of the bearing is reduced, ensuring their relative position is positioned and avoiding offset or rotation.
It effectively reduces the impact of external vibration and force on the bearing during working process, maintains the correct installation and operation of the bearing, extends the service life of the bearing, and improves the comfort of the internal working environment of the wind tower.
Smart Images

Figure CN222950240U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bearings, in particular to a bearing with a positioning structure. Background Art
[0002] The bearing is installed inside the wind turbine to support the rotor and ensure its smooth rotation. The internal structure of the wind turbine is complex, including the rotor, bearings and gear transmission, and the bearing plays an important role in bearing the weight and rotational force of the rotor, reducing friction resistance and ensuring the normal operation of the unit. The bearing can effectively support the weight of the rotor, reduce vibration and wear, and ensure the stability of the internal structure of the wind tower;
[0003] The bearings can withstand the rotational force converted from the wind energy transmitted from the wind blades, allowing the rotor to rotate smoothly. The bearings can effectively reduce noise and vibration, and improve the comfort of the working environment inside the wind tower. After long-term work and operation, the bearings are easily affected by factors such as wear, vibration and fatigue, which causes the mating surface between the outer ring and the inner ring of the bearing to deform or wear easily, increasing the friction and vibration of the bearing, thereby causing bearing damage. Summary of the invention
[0004] The purpose of the utility model is to provide a bearing with a positioning structure to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a bearing with a positioning structure, comprising an outer ring and an inner ring, wherein the inner ring is installed inside the outer ring, and a rolling body ring is installed between the outer ring and the inner ring.
[0006] Preferably, a connecting ring plate is provided on the inner side of the inner ring, and a support rod is fixed on the outer side of the connecting ring plate, and the top end of the support rod is butted with a limiting bolt.
[0007] Preferably, the outer side of the limiting bolt is movably connected to the docking block through a bearing, a docking ring groove is provided on the side of the outer ring close to the docking block, the docking block is connected to the docking ring groove, and a threaded groove is provided on the outer side of the support rod.
[0008] Preferably, the thread groove is sleeved with the sleeve and the connecting pipe, and the sleeve and the connecting pipe are movably connected via a bearing, and the connecting pipe is fixed to the clamping block.
[0009] Preferably, a clamping ring groove is provided on one side of the inner ring close to the clamping block, and the clamping block is connected to the clamping ring groove.
[0010] Preferably, a threaded rod penetrates the interior of the connecting ring plate on one side of the outer ring, and the connecting ring plate on the other side of the outer ring is movably connected to the limiting tube through a bearing.
[0011] Preferably, the threaded rod is connected to the limiting tube, and a sliding groove is provided on a side of the connecting ring plate close to the threaded rod.
[0012] Preferably, the slide groove is slidably docked with the slide rod, and one end of the slide rod is fixed to the threaded rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model can withstand the rotational force converted from the wind energy transmitted from the wind blades, so that the rotor rotates smoothly. In order to reduce the influence of external vibration and force on the bearing during operation, the limit bolt and the support rod are rotated and docked, so that the docking block docks with the docking ring groove along with the limit bolt, and then the sleeve is rotated so that the clamping block moves up with the connecting pipe and docks with the clamping ring groove, so that the support rod reduces the relative displacement between the outer ring and the inner ring of the bearing under the action of the limit bolt and the clamping block, ensures the relative position between the outer ring and the inner ring of the bearing is positioned, avoids their displacement or rotation during operation, and helps to maintain the correct installation and operation of the bearing;
[0015] 2. After the connecting ring plate and the support rod are installed, press the threaded rod to connect with the limit tube, rotate the limit tube, and the threaded rod will not rotate with the limit tube under the action of the sliding rod, so that the threaded rod is retracted into the inside of the limit tube, so that the connection between the two connecting ring plates is strengthened, thereby maintaining the stability between the connecting ring plate and the support rod and the outer ring and the inner ring. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;
[0018] Figure 2 It is a left-side cross-sectional structural schematic diagram of the utility model;
[0019] Figure 3 It is a left side cross-sectional structural diagram of the docking block and the docking groove of the utility model;
[0020] Figure 4 It is a left side cross-sectional structural schematic diagram of the threaded rod and the limiting tube of the utility model.
[0021] In the figure: 1, outer ring; 101, inner ring; 102, rolling body ring; 2, connecting ring plate; 201, support rod; 202, limiting bolt; 203, docking block; 2031, docking ring groove; 204, threaded groove; 205, sleeve; 206, connecting pipe; 207, clamping block; 208, clamping ring groove; 3, threaded rod; 301, limiting pipe; 302, slide groove; 303, slide rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-Figure 3 The utility model provides a technical solution: a bearing with a positioning structure, comprising an outer ring 1 and an inner ring 101, the inner side of the outer ring 1 is equipped with the inner ring 101, and a rolling body ring 102 is installed between the outer ring 1 and the inner ring 101, the inner side of the inner ring 101 is provided with a connecting ring plate 2, and the outer side of the connecting ring plate 2 is fixed with a support rod 201, the top end of the support rod 201 is connected to a limiting bolt 202, the outer side of the limiting bolt 202 is movably connected to a docking block 203 through a bearing, a docking ring groove 2031 is provided on one side of the outer ring 1 close to the docking block 203, the docking block 203 is connected to the docking ring groove 2031, a threaded groove 204 is provided on the outer side of the support rod 201, and the threaded groove 204 is provided on the outer side of the support rod 201. 04 is sleeved with the sleeve 205 and the connecting pipe 206, and the sleeve 205 and the connecting pipe 206 are movably connected through the bearing, the connecting pipe 206 is fixed with the clamping block 207, a clamping ring groove 208 is provided on the side of the inner ring 101 close to the clamping block 207, and the clamping block 207 is connected to the clamping ring groove 208, the support rod 201 is threadedly connected with the limit bolt 202, the cross-sectional size of the docking ring groove 2031 matches the cross-sectional size of the docking block 203, the threaded groove 204 is threadedly connected with the sleeve 205, the cross-sectional size of the clamping block 207 matches the cross-sectional size of the clamping ring groove 208, and the cross-sectional shape of the docking ring groove 2031 is annular with the cross-sectional shape of the clamping ring groove 208.
[0024] In specific implementation, according to Figure 1-Figure 3The utility model can withstand the rotational force converted from the wind energy transmitted from the wind blades, so that the rotor rotates smoothly, and the utility model can effectively reduce noise and vibration, and improve the comfort of the working environment inside the wind tower. In order to reduce the influence of external vibration and force on the bearing during operation, the limit bolt 202 is rotatably connected to the support rod 201, and the support rod 201 is threadedly connected to the limit bolt 202. The limit bolt 202 drives the docking block 203 to move downward, and when the limit bolt 202 moves downward, the limit bolt 202 is connected to the support rod 201. The position of the connecting block 203 is adjusted so that the connecting block 203 is always aligned with the connecting ring groove 2031, so that the connecting block 203 is connected with the connecting ring groove 2031 along with the limiting bolt 202, and the cross-sectional size of the connecting ring groove 2031 matches the cross-sectional size of the connecting block 203, so that the connecting block 203 is not easy to shake inside the connecting ring groove 2031. At this time, the sleeve 205 is rotated again, and the sleeve 205 is threadedly connected with the sleeve 205 through the thread groove 204, so that the sleeve 205 drives the connecting pipe 20 6 moves upward, and when the connecting tube 206 moves upward, the position of the clamping block 207 is adjusted so that the clamping block 207 is always aligned with the clamping ring groove 208, so that the clamping block 207 is docked with the clamping ring groove 208 as the connecting tube 206 moves upward; by matching the cross-sectional size of the clamping block 207 with the cross-sectional size of the clamping ring groove 208, the clamping block 207 is not easy to shake inside the clamping ring groove 208, so that the support rod 201 and the connecting ring plate 2 are respectively restricted on both sides of the bearing outer ring 1 and the inner ring 101, thereby The support rod 201 reduces the relative displacement between the bearing outer ring 1 and the inner ring 101 under the action of the limit bolt 202 and the clamping block 207; the cross-sectional shape of the docking ring groove 2031 and the cross-sectional shape of the clamping ring groove 208 are annular, so that the docking block 203 and the clamping block 207 will not affect the rotation of the inner ring 101, ensuring the relative position between the bearing outer ring 1 and the inner ring 101, avoiding their displacement or rotation during operation, which helps to maintain the correct installation and operation of the utility model.
[0025] See also Figure 1 , Figure 2 and Figure 4 A threaded rod 3 is passed through the connecting ring plate 2 on one side of the outer ring 1, and the connecting ring plate 2 on the other side of the outer ring 1 is movably connected to the limiting tube 301 through a bearing. The threaded rod 3 is connected to the limiting tube 301. A sliding groove 302 is provided on the side of the connecting ring plate 2 close to the threaded rod 3. The sliding groove 302 is slidably connected to the sliding rod 303. One end of the sliding rod 303 is fixed to the threaded rod 3. The threaded rod 3 is threadedly connected to the limiting tube 301, and the inner wall spacing of the sliding groove 302 matches the diameter of the sliding rod 303.
[0026] In specific implementation, according to Figure 1 , Figure 2 and Figure 4, when the connecting ring plate 2 and the support rod 201 are installed, the threaded rod 3 is pressed to dock with the limiting tube 301, and the inner wall spacing of the sliding groove 302 is matched with the diameter of the sliding rod 303, so that the threaded rod 3 and the limiting tube 301 are positioned and docked. At this time, the limiting tube 301 is rotated, and the threaded rod 3 is threadedly connected to the limiting tube 301, and the threaded rod 3 will not rotate with the limiting tube 301 under the action of the sliding rod 303, so that the threaded rod 3 is retracted into the inside of the limiting tube 301, so that the connection between the two connecting ring plates 2 is strengthened, thereby maintaining the stability between the connecting ring plate 2 and the support rod 201 and the outer ring 1 and the inner ring 101.
[0027] In summary, the utility model can withstand the rotational force converted from the wind energy transmitted from the wind blades, so that the rotor can rotate smoothly, and the bearing can effectively reduce noise and vibration, improve the comfort of the working environment inside the wind tower, make the docking block 203 dock with the limiting bolt 202 and the docking ring groove 2031, and then make the clamping block 207 always aligned with the clamping ring groove 208, so that the support rod 201 reduces the relative displacement between the outer ring 1 and the inner ring 101 of the bearing under the action of the limiting bolt 202 and the clamping block 207, and ensures that the outer ring 1 and the inner ring 101 of the bearing are in a stable state. The relative positions between the rings 101 are positioned to prevent them from being offset or rotated during operation, which helps to maintain the correct installation and operation of the utility model; when the connecting ring plate 2 and the support rod 201 are installed, the limiting tube 301 is rotated to allow the threaded rod 3 to be retracted into the inside of the limiting tube 301, so that the connection between the two connecting ring plates 2 is strengthened, thereby maintaining the stability between the connecting ring plate 2 and the support rod 201 and the outer ring 1 and the inner ring 101. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A bearing with a positioning structure, comprising an outer ring (1) and an inner ring (101), characterized in that: An inner ring (101) is installed on the inner side of the outer ring (1), and a rolling body ring (102) is installed between the outer ring (1) and the inner ring (101). A connecting ring plate (2) is provided on the inner side of the inner ring (101), and a support rod (201) is fixed on the outer side of the connecting ring plate (2). The top end of the support rod (201) is butted against a limiting bolt (202), and the outer side of the limiting bolt (202) is movably connected to a butt joint block (203) through a bearing. A butt joint ring groove (2031) is provided on a side of the outer ring (1) close to the butt joint block (203). The docking block (203) is connected to the docking ring groove (2031), the outer side of the support rod (201) is provided with a thread groove (204), the thread groove (204) is sleeved with the sleeve (205) and the connecting pipe (206), and the sleeve (205) and the connecting pipe (206) are movably connected through a bearing, the connecting pipe (206) is fixed to the clamping block (207), and a clamping ring groove (208) is provided on one side of the inner ring (101) close to the clamping block (207), and the clamping block (207) is connected to the clamping ring groove (208).
2. The bearing with a positioning structure according to claim 1, characterized in that: A threaded rod (3) penetrates the interior of the connecting ring plate (2) on one side of the outer ring (1), and the connecting ring plate (2) on the other side of the outer ring (1) is movably connected to the limiting tube (301) via a bearing.
3. The bearing with a positioning structure according to claim 2, characterized in that: The threaded rod (3) is connected to the limiting tube (301), and a sliding groove (302) is provided on a side of the connecting ring plate (2) close to the threaded rod (3).
4. The bearing with a positioning structure according to claim 3, characterized in that: The sliding groove (302) and the sliding rod (303) are slidably connected, and one end of the sliding rod (303) is fixed to the threaded rod (3).