Ball bearing support capable of avoiding machining cracking and transmission shaft supporting structure
By designing a non-circular cross-section and concave-convex structure for the ball bearing support, the cracking problem caused by stamping was solved, the yield rate and procurement convenience were improved, the material ductility requirements were reduced, and the economic efficiency was improved.
Patent Information
- Application Number
- CN202520302213.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing ball bearing supports are prone to cracking during the stamping process, resulting in low yield, inconvenient material procurement, and poor economic efficiency.
The bearing mounting section of the support cover plate and support base is designed with a non-circular cross section and a concave-convex structure to prevent instantaneous impact on the material during stamping. Ordinary carbon steel is used for forming and processing.
It improved the yield rate, reduced the material ductility requirements, and enhanced the convenience and economy of procurement.
Smart Images

Figure CN223923628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ball bearing support technical field especially a ball bearing support and transmission shaft support structure of avoiding processing cracking. BACKGROUND
[0002] Ball bearing support is a device for supporting and fixing ball bearings, usually used with ball bearings to achieve the rotational movement of shafts. In photovoltaic tracking systems, it is used to provide support and lubrication for transmission shafts, reduce friction, improve transmission efficiency, effectively solve the gap problem between transmission shafts and bearings, improve coaxiality, and thus improve the stability and reliability of the entire system.
[0003] The contact part of the existing support cover plate and support base of the ball bearing support and the ball bearing is usually stamped, completely wrapping the ball bearing, as shown in Figure 6 The main defects of this structure are: the material port bears instantaneous impact during stamping, the ductility is not effectively utilized, cracking occurs, and the yield is low; when replacing materials with special requirements, the procurement convenience and economy are poor; the present application is proposed to solve the above-mentioned defects. SUMMARY
[0004] The utility model aims at providing a ball bearing support and transmission shaft support structure that avoids processing cracking, solves the problem of low yield caused by cracking during stamping of the ball bearing support, reduces the complexity of the process and the requirement for material ductility, and improves the procurement convenience and economy.
[0005] To solve the above-mentioned problems, the utility model provides a ball bearing support that avoids processing cracking, comprising a support cover plate and a support base, both the support cover plate and the support base are provided with a bearing mounting part, the bearing mounting part is stamped and formed, at least one of the bearing mounting parts of the support cover plate and the support base has a non-circular cross-section part, the non-circular cross-section part is located at the center position of the bearing mounting part, the cross-sectional shape of the non-circular cross-section part can be a non-complete circular shape or a polygonal shape, the outer edge of the non-circular cross-section part has a concave-convex structure, by setting the stamping contour as a non-circular cross-section, the material port can be prevented from bearing instantaneous impact and cracking.
[0006] According to an embodiment of the utility model, the bearing mounting parts of the support cover plate and the support base are both provided with a non-circular cross-section part, which further improves the cost rate of the product.
[0007] According to an embodiment of the utility model, the "concave" and "convex" parts of the concave-convex structure are uniformly distributed or non-uniformly distributed.
[0008] According to an embodiment of the utility model, the concave-convex structure is in a wave shape, and can also be in a zigzag shape.
[0009] According to an embodiment of the utility model, the ball bearing support seat avoiding cracking in processing further comprises a fastener, the fastener is used for connecting the support cover plate and the support base.
[0010] Optionally, the fastener is a bolt assembly, a buckle assembly, a hoop assembly or the like, which can connect and fix the support cover plate and the support base.
[0011] According to an embodiment of the utility model, the support base is provided with an ear plate, the ear plate is provided with a connecting hole, and the support base is fixed at the mounting position of the support column or the like through the ear plate.
[0012] According to an embodiment of the utility model, the connecting hole is a waist-shaped hole, which is convenient for the adjustment and installation of the bolt.
[0013] A transmission shaft supporting structure comprises the ball bearing support seat avoiding cracking in processing and a ball bearing.
[0014] The utility model discloses the beneficial effects are, through the stamping contour of support cover plate and support base is set up as the non-complete circular section, can prevent the material port to bear the instantaneous impact and form the cracking, and the finished product rate of product is high, and the ductility requirement of non-circular section part is reduced, can adopt the ordinary carbon steel and process into the shape, and the purchase convenience and economy are better. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further explained in connection with the drawings and examples.
[0016] Figure 1 It is the exploded view of ball bearing support seat for avoiding cracking in processing;
[0017] Figure 2 It is the side view of support base of ball bearing support seat for avoiding cracking in processing;
[0018] Figure 3 It is the side view of support cover plate of ball bearing support seat for avoiding cracking in processing;
[0019] Figure 4 It is the front view, side view and shaft side view of support base;
[0020] Figure 5 It is the front view, side view and shaft side view of support cover plate;
[0021] Figure 6 It is the structural diagram of support base and support cover plate of traditional ball bearing support seat. DETAILED DESCRIPTION
[0022] The following description is only used to disclose the utility model to enable those skilled in the art to implement the utility model. The examples in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be applied to other embodiments, modification schemes, improvement schemes, equivalent schemes and other schemes without departing from the spirit and scope of the utility model.
[0023] A ball bearing support avoiding machining cracking, such as Figure 1 、 Figure 2 , comprising a fastener 1, a support cover plate 4 and a support base 2.
[0024] As Figure 4 , the support cover plate 4 is provided with a bearing mounting portion 41, and the bearing mounting portion 41 has a non-circular cross-section portion 5.
[0025] As Figure 3 , the support base 2 is provided with a bearing mounting portion 21, and the bearing mounting portion 21 has a non-circular cross-section portion 5. The support base 2 is provided with an ear plate 22 on both sides, and the ear plate 22 is provided with a connecting hole 23. The support base 2 is fixed at the mounting position of the support column through the ear plate 22. The connecting hole 23 is a waist-shaped hole, which is convenient for adjusting and mounting the bolt.
[0026] The fastener 1 is used to connect the support cover plate 4 and the support base 2. In the embodiment, the fastener 1 is a bolt assembly, and the fastener 1 is provided with two groups.
[0027] The bearing mounting portion is formed by stamping processing. The non-circular cross-section portion 5 is located at the center position of the bearing mounting portion. The non-circular cross-section portion 5 is a non-complete circular cross-section, and can also be a polygonal cross-section. The through hole in the middle is used for mounting the transmission shaft. The cross-sectional shape of the non-circular cross-section portion 5 can be a non-complete circle or a polygon. The outer edge of the non-circular cross-section portion 5 has a concave-convex structure. The concave and convex parts in the concave-convex structure are uniformly distributed or non-uniformly distributed. Preferably, the concave-convex structure is preferably a wave structure. The wave peaks and valleys in the wave structure can be uniformly distributed, non-uniformly distributed, or uniformly distributed at several local positions.
[0028] Preferably, the stamping contour is set as a non-complete circular cross-section, which can prevent the material port from being subjected to instantaneous impact to form cracking. The yield rate of the product is high, and the ductility requirement of the material is reduced. Ordinary carbon steel can be used for forming processing, and the procurement convenience and economy are good.
[0029] A transmission shaft support structure, such as Figure 1 , comprising the above-mentioned ball bearing support avoiding machining cracking and a ball bearing 3. The bearing 3 is mounted between the support cover plate 4, the support base 2 and the bearing mounting portion.
[0030] It will be understood by those skilled in the art that the above description and the embodiments of the present application shown in the drawings are only examples and do not limit the present application. The purpose of the present application has been completely and effectively achieved. The function and structural principle of the present application have been demonstrated and explained in the embodiments, and the embodiments of the present application can have any deformation and modification without departing from the principle.
Claims
1. A ball bearing support that avoids machining cracks, characterized in that: It includes a support cover plate (4) and a support base (2), both of which are provided with bearing mounting parts. At least one of the bearing mounting parts of the support cover plate (4) and the support base (2) has a non-circular cross-section (5), and the outer edge of the non-circular cross-section (5) has a concave-convex structure.
2. The ball bearing support for preventing machining cracks according to claim 1, characterized in that: The bearing mounting portions of the support cover plate (4) and the support base (2) are both provided with non-circular cross-section portions (5).
3. The ball bearing support for preventing machining cracks according to claim 1 or 2, characterized in that: The concave and convex parts in the concave-convex structure are either uniformly distributed or non-uniformly distributed.
4. The ball bearing support for preventing machining cracks according to claim 3, characterized in that: The concave-convex structure is wavy.
5. The ball bearing support for preventing machining cracks according to claim 1 or 2, characterized in that: The ball bearing support for preventing machining cracks also includes a fastener (1) for connecting the support cover plate (4) and the support base (2).
6. The ball bearing support for preventing machining cracks according to claim 5, characterized in that: The fastener (1) includes a bolt assembly.
7. The ball bearing support for preventing machining cracks according to claim 5, characterized in that: The support base (2) is provided with an ear plate (22), and the ear plate (22) is provided with a connecting hole (23).
8. The ball bearing support for preventing machining cracks according to claim 7, characterized in that: The connecting hole (23) is an oblong hole.
9. A transmission shaft support structure, characterized in that: Includes the ball bearing support and ball bearing (3) that avoids machining cracking as described in any one of claims 1-8.