Bearing cap structure with accurate positioning stand column
By designing adjustable column and bubble level in the bearing cover, the problems of bearing looseness and inaccurate position control caused by threaded connections are solved, stable installation and convenient maintenance of the bearing cover are achieved, and the operation stability and work of the equipment are improved. efficiency.
Patent Information
- Application Number
- CN202421700081.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The existing bearing covers may be loose when used for a long time or under heavy load, which will affect stability, and are complicated and time-consuming to operate during maintenance or replacement. The threaded installation has low accuracy in controlling the bearing position, which may cause the bearing seat to eccentrize. .
Design bearing cover structures with precise positioning of columns, including movable flanges, rotating shafts, sealing rings, columns, fastening nuts and bubble level. The height adjustment and precise position control are achieved through adjustable columns to ensure stable installation of bearing covers and Convenient maintenance.
It realizes precise position control of bearing covers, improves the operating stability and working efficiency of equipment, simplifies daily maintenance and part replacement, reduces downtime and maintenance costs, and is suitable for occasions where precise control of mechanical movement and position is required.
Smart Images

Figure CN222334294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bearing covers, and more specifically, to a bearing cover structure with a precise positioning column. Background Art
[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body and reduce the friction coefficient during its movement. The bearing cover is the cover of the bearing end face. Its function is to prevent dust and other foreign matter from invading the rolling element's raceway and ensure that the lubricant only acts on the rolling element and the raceway without overflowing.
[0003] After searching, the existing patent (publication number: CN217107881 U) discloses a bearing cover that is easy to install and position, including a bearing seat, fixing holes are provided on both sides of the bearing seat, and a mounting groove is provided on the front side wall of the bearing seat. A second positioning piece is rotatably installed on the rear inner wall of the mounting groove. The second positioning piece is arranged in a circular ring structure, and the rear inner wall of the mounting groove is located on the outer side of the second positioning piece and welded to the first positioning piece. The front side wall of the mounting groove is threadedly installed with a bearing cover. This patent arranges the bearing cover and the bearing seat for threaded installation, so that the device is faster and more convenient during installation and disassembly. At the same time, the bearing cover and the bearing seat are directly threadedly installed, which ensures the installation stability of the bearing cover to a certain extent. The device covers the bearing through the bearing cover and the bearing seat, and cooperates with the use of the positioning piece, so that the device can effectively avoid the overflow of lubricant. In the process of realizing the utility model, the inventor found that the prior art has the following problems:
[0004] The existing bearing caps are fixed by threaded connection, which may become loose after long-term use or under heavy load, which will affect the stability of the bearing system. Threaded installation is usually difficult to fine-tune after initial assembly. At the same time, if the bearing cap needs to be maintained or replaced, the operation may be complicated and time-consuming. In addition, the threaded installation has low control accuracy for the bearing position. Especially in the case of multiple bolt connections, it is difficult to ensure the consistency of the tightening force of each bolt, which may cause the bearing seat to be eccentric.
[0005] Therefore, in order to solve the above problems, a bearing cover structure with a precise positioning column is proposed. Utility Model Content
[0006] In order to overcome the above defects of the prior art, the utility model provides a bearing cover structure with a precise positioning column to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing cover structure with a precise positioning column, comprising a movable flange, the outer wall of the movable flange is provided with a rotating shaft, the interior of the movable flange is surrounded by a sealing ring, a column is provided above the movable flange, four groups of the columns are provided, and the four groups of the columns are evenly arranged along the four corners of the top of the movable flange, a bearing cover is provided at the center of the four groups of the columns, a fastening nut is provided above the bearing cover, and a bubble level is provided at the top center of the bearing cover.
[0008] Preferably, a buckle is provided on a side of the movable flange away from the rotating shaft, and the buckle is fixed by bolts.
[0009] Preferably, the bottom of the column is provided with a fine-pitch thread, and the column can be displaced up and down in the vertical direction of the movable flange by rotation.
[0010] Preferably, four groups of the fastening nuts are provided, and the four groups of the fastening nuts are respectively connected to the four groups of the columns.
[0011] Preferably, the bearing cover comprises an inner ridge and a guide groove, the inner part of the bearing cover is provided with an inner ridge, and one side of the inner ridge is provided with a guide groove.
[0012] Preferably, a guide sleeve is provided at the bottom of the bearing cover, and four groups of the guide sleeves are provided. The bearing cover is connected to the column through the guide sleeves, and a sealing layer is provided at the connection between the guide sleeves and the bearing cover.
[0013] Technical effects and advantages of the utility model:
[0014] Compared with the prior art, this bearing cover structure with precise positioning columns realizes fine height adjustment through adjustable column design. Through fine mechanical structure adjustment, precise control of the bearing cover position is achieved, thereby improving the operating stability and working efficiency of the overall equipment. The design of adjustable columns makes daily maintenance and parts replacement more convenient and quick, greatly reducing downtime and maintenance costs. This design can be widely used in equipment of different types and specifications, has high versatility and replaceability, and is particularly suitable for occasions that require precise control of mechanical movement and position. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the movable flange of the utility model.
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the bearing cover of the utility model.
[0018] The accompanying drawings are marked as follows: 1. movable flange; 2. rotating shaft; 3. sealing ring; 4. column; 5. bearing cover; 6. fastening nut; 7. bubble level; 8. buckle; 9. inner ridge; 10. guide groove; 11. guide sleeve; 12. sealing layer. DETAILED DESCRIPTION
[0019] 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.
[0020] Example 1
[0021] As attached Figures 1 to 3A bearing cover structure with a precise positioning column shown in the figure comprises a movable flange 1, which is made of a metal material and can be simply and quickly fixed on the bearing, so that the staff can install and disassemble it conveniently and play a role in positioning the bearing cover 5. A rotating shaft 2 is arranged on the outer wall of the movable flange 1, and the movable flange 1 can be opened and closed through the rotating shaft 2. A sealing ring 3 is arranged around the inside of the movable flange 1, and the sealing ring 3 is made of a rubber material, so that the contact surface of the movable flange 1 and the bearing are softly fitted, providing an elastic space, providing a certain expansion space while having good connectivity, and also having the effect of reducing resonance. A column 4 is arranged above the movable flange 1, and the column 4 is made of high-strength steel or alloy material to ensure that it has sufficient stability and durability during the adjustment process. Four groups of columns 4 are arranged, and the four groups of columns 4 are evenly arranged along the four corners of the top of the movable flange 1. The design of the column 4 allows it to adapt to installation platforms of different thicknesses within a certain range, increasing its applicability on different equipment. A bearing cover 5 is arranged at the center of the four groups of columns 4, and the bearing cover 5 is a flange design. This design is The bearing cover 5 is convenient to install, disassemble and adjust the bearing clearance, and has good sealing performance. The commonly used materials for making the bearing cover 5 include hard aluminum alloy, cast iron and aluminum alloy. Manufacturing processes such as precision casting, machining and surface treatment can ensure the dimensional accuracy and surface quality of the bearing cover 5, and further improve its performance. A fastening nut 6 is arranged above the bearing cover 5. The fastening nut 6 has an anti-loosening design (such as a nylon locking nut) and is used to fix the position of the column 4 and the guide sleeve 11 to prevent the position change caused by the vibration during the operation of the machine. At the same time, the fastening nut 6 is designed with a safety groove, which can be operated with tools such as a wrench to ensure the safety and convenience of the operation, and facilitate the operator to directly adjust and lock without disassembling other components. A bubble level 7 is arranged at the top center of the bearing cover 5. The bubble level 7 can assist in the positioning of the bearing cover 5, intuitively showing whether the bearing cover 5 is level, and avoiding the occurrence of the problem of bearing eccentricity. At the same time, the bubble level 7 is simple and easy to understand, and has a low dead weight, and will not affect the setting of the bearing cover 5, ensuring that the bearing cover 5 can be accurately positioned.
[0022] Example 2
[0023] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working method. Figures 1 to 3 As shown, see the following description for details:
[0024] As a preferred embodiment, a buckle 8 is provided on the side of the movable flange 1 away from the rotating shaft 2, and the buckle 8 is fixed by bolts. The buckle 8 is two raised structures provided on one side of the movable flange 1. The movable flange 1 can be fastened to the bearing through the cooperation of the buckle 8 and the bolts. It has strong operability and can be easily installed and disassembled by the staff.
[0025] As a preferred embodiment, the bottom of the column 4 is set as a fine thread, and the column 4 can be moved up and down along the vertical direction of the movable flange 1 by rotation. Furthermore, the bottom of the column 4 is designed to be a fine thread, and fine height adjustment can be achieved by rotating the column. With each rotation, the movement distance of the column is controlled within 0.5 mm to achieve high-precision positioning.
[0026] As a preferred embodiment, four groups of fastening nuts 6 are provided, and the four groups of fastening nuts 6 are respectively connected to four groups of columns 4. Through the cooperation of the four groups of fastening nuts 6, the bearing cover 5 can be moved up and down along the column 4, so as to accurately fit the bearing position, and the four corner fixation can make the bearing cover 5 more stably set on the bearing.
[0027] As a preferred embodiment, the bearing cover 5 includes an inner ridge 9 and a guide groove 10. The inner ridge 9 is arranged inside the bearing cover 5. The existence of the inner ridge 9 not only increases the rigidity of the bearing cover 5 and improves the deformation resistance of the bearing, but also can increase the heat dissipation surface area and enhance the heat dissipation effect of the bearing. A guide groove 10 is arranged on one side of the inner ridge 9. The guide groove 10 is arranged inside the bearing cover 5. The guide groove 10 can guide the lubricating oil or grease to the friction area of the bearing, reduce the friction coefficient, and extend the service life of the bearing. At the same time, it also has the function of cleaning the bearing, reducing the deposition of foreign matter, and keeping the bearing in normal working condition.
[0028] As a preferred embodiment, a guide sleeve 11 is provided at the bottom of the bearing cover 5. The guide sleeve 11 is made of wear-resistant material, and the inner diameter matches the column with high precision, which reduces the swing and deviation during the assembly process and improves the assembly accuracy. At the same time, the inside of the guide sleeve 11 is coated with solid lubricant to reduce the friction with the column 4, extend the service life, and maintain the smoothness of the adjustment process. Four groups of guide sleeves 11 are provided, and the bearing cover 5 is connected to the column 4 through the guide sleeve 11. A sealing layer 12 is provided at the connection between the guide sleeve 11 and the bearing cover 5. The sealing layer 12 is made of rubber material and plays a role in preventing dust and liquid from invading and protecting internal components.
[0029] The working process of the utility model is as follows: first, fix the movable flange 1 to the bearing through the buckle 8, and after the movable flange 1 is tightened and set by the cooperation of the bolts and the buckle 8, the column 4 is mounted on the movable flange 1 through the fine thread at the bottom, and then the bearing cover 5 is inserted into the four groups of columns 4 through the guide sleeve 11, and the height of the column 4 is adjusted to make the bearing cover 5 and the bearing The bearing cover 5 is completely fitted with the bearing, after precise positioning, tighten the fastening nut 6 above the bearing cover 5 so that it positions the guide sleeve 11 and the column 4, so that the bearing cover 5 is accurately positioned on the bearing, and then observe the bubble level 7 at the top center of the bearing cover 5, and fine-tune the four groups of fastening nuts 6 until the bearing cover 5 is level with the bearing to prevent the bearing from being eccentric. The above is the working principle of the bearing cover structure with a precise positioning column.
[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A bearing cap structure with a precise positioning column, comprising a movable flange (1), characterized in that: The outer wall of the movable flange (1) is provided with a rotating shaft (2), the interior of the movable flange (1) is surrounded by a sealing ring (3), a column (4) is provided above the movable flange (1), four groups of the columns (4) are provided, and the four groups of the columns (4) are evenly arranged along the four corners of the top of the movable flange (1), a bearing cover (5) is provided at the center of the four groups of the columns (4), a fastening nut (6) is provided above the bearing cover (5), and a bubble level (7) is provided at the top center of the bearing cover (5).
2. A bearing cap structure with precise positioning columns according to claim 1, characterized in that: A buckle (8) is provided on the side of the movable flange (1) away from the rotating shaft (2), and the buckle (8) is fixed by bolts.
3. A bearing cap structure with precise positioning columns according to claim 1, characterized in that: The bottom of the column (4) is provided with a fine-pitch thread, and the column (4) can be displaced up and down in the vertical direction of the movable flange (1) by rotation.
4. A bearing cap structure with precise positioning columns according to claim 1, characterized in that: Four groups of the fastening nuts (6) are provided, and the four groups of the fastening nuts (6) are respectively connected to the four groups of the upright posts (4).
5. The bearing cover structure with precise positioning columns according to claim 1, characterized in that: The bearing cover (5) comprises an inner ridge (9) and a guide groove (10); the inner ridge (9) is arranged inside the bearing cover (5), and the guide groove (10) is arranged on one side of the inner ridge (9).
6. A bearing cap structure with precise positioning columns according to claim 1, characterized in that: A guide sleeve (11) is provided at the bottom of the bearing cover (5), four groups of the guide sleeves (11) are provided, and the bearing cover (5) is connected to the column (4) via the guide sleeves (11), and a sealing layer (12) is provided at the connection between the guide sleeve (11) and the bearing cover (5).
Citation Information
Patent Citations
Bearing cover convenient to install and position
CN217107881U