Friction-free torsion spring flexible bearing

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing frictionless torsion spring flexible bearings, the central spring sheet connects the support ring and the rotating ring to achieve relative swing, solving the problems of low efficiency and short service life caused by friction by traditional bearings, and achieving higher working efficiency and longer service life.

CN222615841UActive Publication Date: 2025-03-14HARBIN BEARING GROUP CORP +1

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202421607716.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-07-08
Publication Date: 2025-03-14
Estimated Expiration: 2034-07-08

AI Technical Summary

Technical Problem

Due to the structure of existing bearings, the rolling elements and the ferrule are unable to swing back and forth repeatedly, resulting in low working efficiency and short service life of the mechanical equipment installed in these bearings.

Method used

A frictionless torsion spring flexible bearing is designed, including a support ring, a rotating ring and a central spring blade. The support ring and the rotating ring are connected through the central spring blade to achieve their relative swing and avoid friction.

Benefits of technology

This design improves the working efficiency of mechanical equipment, improves efficiency by 30%, extends the service life of bearings, and reduces the cost of use.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure 00000000_0000_ABST

Patent Text Reader

Abstract

The utility model discloses a friction-free torsion spring flexible bearing, and belongs to the field of bearing design. The utility model solves the technical problem that the working efficiency of a device for installing the existing bearing is low as the rolling body and the ferrule are rubbed and cannot swing back and forth repeatedly due to the structure of the existing bearing. The supporting ring and the rotating ring are the same in shape. The supporting ring comprises a first sleeve ring and a first connecting semi-ring, and the first sleeve ring fixedly sleeves the left part of the first connecting semi-ring; the rotating ring comprises a second lantern ring and a second connecting semi-ring, and the second lantern ring fixedly sleeves the right part of the second connecting semi-ring; the supporting ring and the rotating ring are installed in a sleeved mode, and the supporting ring and the rotating ring are crossed and aligned in the axial direction and can relatively rotate in the vertical circumferential direction. The center spring piece is installed in the center of the interior of the supporting ring and the rotating ring which are installed in a sleeved mode, the rotating ring is connected with the supporting ring through the center spring piece, and then relative swinging of the rotating ring and the supporting ring is achieved. And the working efficiency is improved, the service life is prolonged, and the mechanical rotating body is supported.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a frictionless torsion spring flexible bearing and belongs to the field of bearing design. Background Art

[0002] Traditional bearings are mainly composed of inner and outer rings, cages and rolling elements. The main function of traditional bearings is to support mechanical rotating bodies and reduce the friction coefficient.

[0003] When used in multi-point supported mechanical equipment, such as excavators or small motion robot arms with repeated swinging motions, traditional ordinary bearings are easily damaged by friction due to their structural composition, which reduces their service life. Traditional ordinary bearings have low working efficiency due to the friction between the rolling elements and the rings and the inability to swing back and forth repeatedly.

[0004] In summary, due to the structure of the existing bearings, the rolling elements and the rings rub against each other and cannot swing back and forth repeatedly, resulting in a technical problem that the working efficiency of the device for installing the existing bearings is relatively low. Utility Model Content

[0005] The utility model aims to solve the technical problem that the rolling element and the ring of the existing bearings rub against each other due to their own structure and cannot swing back and forth repeatedly, resulting in low working efficiency of the device for installing the existing bearings.

[0006] The technical solution of the utility model is a frictionless torsion spring flexible bearing, comprising a support ring, a rotating ring and a central spring sheet 5, wherein the support ring has the same shape as the rotating ring; the support ring comprises a first sleeve ring 1 and a first connecting semi-ring 2, wherein the first sleeve ring 1 is fixedly sleeved on the left part of the first connecting semi-ring 2;

[0007] The rotating ring comprises a second sleeve ring 3 and a second connecting half ring 4, wherein the second sleeve ring 3 is fixedly sleeved on the right part of the second connecting half ring 4;

[0008] The support ring and the rotating ring are installed in a mutually sleeved manner, the first connecting half ring 2 and the second connecting half ring 4 are arranged opposite to each other, the support ring and the rotating ring are cross-aligned along the axial direction and can rotate relative to each other along the vertical circumferential direction;

[0009] The central spring sheet 5 is installed at the inner center of the sleeved support ring and the rotating ring. The rotating ring is connected to the support ring through the central spring sheet 5, thereby realizing relative swing between the rotating ring and the support ring.

[0010] As another improvement of the present invention, one end of the central spring sheet 5 is fixedly connected to the inner wall of the first connecting half ring 2 , and the other end of the central spring sheet 5 is fixedly connected to the inner wall of the second connecting half ring 4 .

[0011] As another improvement of the present invention, the central spring sheet 5 is connected to the first connecting half ring 2 or the second connecting half ring 4 by welding.

[0012] As another improvement of the utility model, it also includes a reinforcing spring sheet 6, which is axially symmetrically arranged on both sides of the central spring sheet 5, one end of the reinforcing spring sheet 6 is fixedly connected to the support ring, and the other end of the reinforcing spring sheet 6 is fixedly connected to the rotating ring.

[0013] As another improvement of the present invention, the arrangement direction of the reinforcing spring sheet 6 is perpendicular to the direction of the central spring sheet 5 .

[0014] As another improvement of the present invention, the number of the reinforcing spring sheets 6 is 2 or 4.

[0015] As another improvement of the present invention, the reinforcing spring sheet 6 is connected to the supporting ring or the rotating ring by welding.

[0016] As another improvement of the utility model, it further comprises a vertical spring sheet 7, one end of which is fixed to the middle of the reinforcing spring sheet 6, and the other end of which is fixed to the inner wall of the rotating ring.

[0017] As another improvement of the present invention, the vertical spring sheet 7 and the reinforcing spring sheet 6 or the inner wall of the rotating ring are connected by welding.

[0018] As another improvement of the present invention, the relative swing angle between the rotating ring and the supporting ring is 45 degrees.

[0019] Beneficial effects of the utility model:

[0020] 1. The utility model is a frictionless torsion spring flexible bearing, in which the central spring sheet is installed at the inner center of the sleeve-mounted support ring and the rotating ring, and the rotating ring is connected to the support ring through the central spring sheet, thereby realizing the relative swing of the rotating ring and the support ring, which can be widely used in high-speed rotation, high-load vibration, complex directional load and multi-point support, etc., and is particularly suitable for mechanical equipment that requires multi-point support, such as excavators, small-motion mechanical arms, etc. The efficiency is improved by 30% compared with ordinary bearings, and it has a long service life and reduces the cost of use.

[0021] 2. The utility model provides a frictionless torsion spring flexible bearing. The installation of a reinforcing spring sheet can enhance the use effect of the original structure and improve the swing efficiency.

[0022] 3. The utility model is a frictionless torsion spring flexible bearing. After the vertical spring sheet is installed, the rotation stability of the rotating ring can be enhanced, thereby improving the service life of the frictionless torsion spring flexible bearing of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of a frictionless torsion spring flexible bearing of the utility model.

[0024] Figure 2 It is a side view schematic diagram of a frictionless torsion spring flexible bearing of the utility model.

[0025] Figure 3 The utility model is a three-dimensional structural schematic diagram of a frictionless torsion spring flexible bearing when a reinforcing spring sheet and a vertical spring sheet are installed.

[0026] Figure 4 The present invention is a side view schematic diagram of a frictionless torsion spring flexible bearing when a reinforcing spring sheet and a vertical spring sheet are installed. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the examples 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 of the utility model, all embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. In the description of the utility model, it should be explained that the positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back" and the like is only based on the positional relationship of the orientation shown in the drawings, and is only for the convenience of describing the utility model, rather than indicating or implying that the referred parts have a specific orientation, are constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] Specific implementation method 1: Combination Figure 1 to Figure 2 This embodiment is described. This embodiment is a frictionless torsion spring flexible bearing, comprising a support ring, a rotating ring and a central spring sheet 5. The support ring and the rotating ring have the same shape.

[0029] The support ring includes a first sleeve ring 1 and a first connecting half ring 2. The first sleeve ring 1 is fixedly sleeved on the left part of the first connecting half ring 2. The first sleeve ring 1 and the first connecting half ring 2 are made into one piece.

[0030] The rotating ring comprises a second sleeve ring 3 and a second connecting half ring 4, wherein the second sleeve ring 3 is fixedly sleeved on the right part of the second connecting half ring 4; the second sleeve ring 3 and the second connecting half ring 4 are made into one piece;

[0031] The support ring and the rotating ring are installed in a mutually sleeved manner, the first connecting half ring 2 and the second connecting half ring 4 are arranged opposite to each other, the support ring and the rotating ring are cross-aligned along the axial direction and can rotate relative to each other along the vertical circumferential direction;

[0032] The central spring sheet 5 is installed at the inner center of the sleeved support ring and the rotating ring. The rotating ring is connected to the support ring through the central spring sheet 5, thereby realizing the relative swing between the rotating ring and the support ring. In actual use, the support ring of this embodiment can be directly installed between the components that need to be supported and swingably connected to realize the reciprocating swing between the components;

[0033] The support shaft is fixedly installed so that the rotating ring is fixed to the shaft, thereby realizing the reciprocating swing of the shaft.

[0034] The material of the components in this embodiment is all martensitic stainless steel, which is different from the structure of traditional bearings. It avoids the friction between the inner and outer rings of the bearing and the rolling elements, and has the characteristics of high strength, high hardness, and high corrosion resistance. It can be widely used in high-speed rotation, high-load vibration, complex directional loads, and multi-point support, and is particularly suitable for mechanical equipment that requires multi-point support, such as excavators, small-motion mechanical arms, etc. The efficiency is improved by 30% compared with ordinary bearings, and it has a long service life and reduces the cost of use.

[0035] Specific implementation method 2: Combination Figure 1 to Figure 2 This embodiment is described. The difference between this embodiment and the first embodiment is that one end of the central spring sheet 5 is fixedly connected to the inner wall of the first connecting half ring 2, and the other end of the central spring sheet 5 is fixedly connected to the inner wall of the second connecting half ring 4. The inner wall of the first connecting half ring 2 and the inner wall of the second connecting half ring 4 are provided with a fixed interface matching the central spring sheet 5, which is convenient for processing. The other components and connection methods are the same as those of the first embodiment.

[0036] Specific implementation method three: Combination Figure 1 to Figure 2 This embodiment is described. The difference between this embodiment and the first embodiment is that the central spring sheet 5 and the first connecting half ring 2 or the second connecting half ring 4 are connected by welding. The welding method is convenient for processing, has high processing efficiency, and has a stable connection structure. The other components and connection methods are the same as those of the first or second embodiment.

[0037] Specific implementation method four: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the specific embodiment 1 is that this embodiment also includes a reinforcing spring sheet 6, which is symmetrically arranged on both sides of the central spring sheet 5 along the axial direction, one end of the reinforcing spring sheet 6 is fixedly connected to the support ring, and the other end of the reinforcing spring sheet 6 is fixedly connected to the rotating ring. Installing the reinforcing spring sheet can enhance the use effect of the original structure, improve the swing efficiency, prevent axial movement between the support ring and the rotating ring, and strengthen the axial fixing effect. The other components and connection methods are the same as any one of the specific embodiments 1 to 3.

[0038] Specific implementation method five: Combination Figures 1 to 4This embodiment is described. The difference between this embodiment and the first embodiment is that the arrangement direction of the reinforcing spring piece 6 is perpendicular to the direction of the central spring piece 5. The purpose of this design is to make the structure of this embodiment more stable. The other components and connection methods are the same as any one of the first to fourth embodiments.

[0039] Specific implementation method six: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the first embodiment is that the number of reinforcing spring sheets 6 is 2 or 4. The purpose of such design is to make the structure of this embodiment more stable. The other components and connection methods are the same as any one of the first to fifth embodiments.

[0040] Specific implementation method seven: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the first embodiment is that the connection method of the reinforcing spring sheet 6 and the supporting ring or the rotating ring is welding. The welding method is convenient for processing, has high processing efficiency, and has a stable connection structure. The other components and connection methods are the same as any one of the first to sixth embodiments.

[0041] Specific implementation method eight: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the specific embodiment 1 is that this embodiment further includes a vertical spring sheet 7, one end of which is fixed to the middle of the reinforcing spring sheet 6, and the other end of the vertical spring sheet 7 is fixed to the inner wall of the rotating ring. After the vertical spring sheet is installed, the rotation stability of the rotating ring can be enhanced, and the service life of the frictionless torsion spring flexible bearing of the utility model can be improved. Other components and connection methods are the same as any one of the specific embodiments 1 to 7.

[0042] Specific implementation method nine: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the first embodiment is that the vertical spring piece 7 and the reinforcing spring piece 6 or the inner wall of the rotating ring are connected by welding. The welding method is convenient for processing, has high processing efficiency, and has a stable connection structure. The other components and connection methods are the same as any one of the first to eighth embodiments.

[0043] Specific implementation method ten: Combination Figures 1 to 4 This embodiment is described. The difference between this embodiment and the first embodiment is that the relative swing angle between the rotating ring and the supporting ring is 45 degrees. The swing angle meets the actual work requirements, is easy to use, and has strong practicality. The other components and connection methods are the same as any one of the first to ninth embodiments.

[0044] Combination Figures 1 to 4 Explain the working principle of the utility model:

[0045] The support ring and the rotating ring are installed in a sleeve-fitting manner, the first connecting half ring and the second connecting half ring are arranged opposite to each other, the support ring and the rotating ring are cross-aligned along the axial direction and can rotate relative to each other along the vertical circumferential direction; the central spring sheet is installed at the inner center of the sleeve-fitting support ring and the rotating ring, and the rotating ring is connected to the support ring through the central spring sheet, thereby realizing the relative swing of the rotating ring and the support ring.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A frictionless torsion spring flexible bearing, characterized in that It comprises a supporting ring, a rotating ring and a central spring sheet (5), wherein the supporting ring has the same shape as the rotating ring; The support ring comprises a first sleeve ring (1) and a first connecting half ring (2), wherein the first sleeve ring (1) is fixedly sleeved on the left part of the first connecting half ring (2); The rotating ring comprises a second sleeve ring (3) and a second connecting half ring (4), wherein the second sleeve ring (3) is fixedly sleeved on the right part of the second connecting half ring (4); The support ring and the rotating ring are installed in a mutually sleeved manner, the first connecting half ring (2) and the second connecting half ring (4) are arranged opposite to each other, the support ring and the rotating ring are cross-aligned along the axial direction and can rotate relative to each other along the vertical circumferential direction; The central spring sheet (5) is installed at the inner center of the sleeved support ring and the rotating ring. The rotating ring is connected to the support ring through the central spring sheet (5), thereby realizing relative swing between the rotating ring and the support ring.

2. A frictionless torsion spring flexible bearing according to claim 1, characterized in that: One end of the central spring sheet (5) is fixedly connected to the inner wall of the first connecting half ring (2), and the other end of the central spring sheet (5) is fixedly connected to the inner wall of the second connecting half ring (4).

3. A frictionless torsion spring flexible bearing according to claim 2, characterized in that: The central spring sheet (5) is connected to the first connecting half ring (2) or the second connecting half ring (4) by welding.

4. A frictionless torsion spring flexible bearing according to claim 1, characterized in that It also includes a reinforcing spring sheet (6) which is symmetrically arranged on both sides of the central spring sheet (5) along the axial direction, one end of the reinforcing spring sheet (6) is fixedly connected to the supporting ring, and the other end of the reinforcing spring sheet (6) is fixedly connected to the rotating ring.

5. The frictionless torsion spring flexible bearing according to claim 4, characterized in that: The arrangement direction of the reinforcing spring sheet (6) is perpendicular to the direction of the central spring sheet (5).

6. The frictionless torsion spring flexible bearing according to claim 5, characterized in that: The number of the reinforcing spring sheets (6) is 2 or 4.

7. The frictionless torsion spring flexible bearing according to claim 5, characterized in that: The reinforcing spring sheet (6) is connected to the supporting ring or the rotating ring by welding.

8. The frictionless torsion spring flexible bearing according to claim 5, characterized in that It also comprises a vertical spring sheet (7), one end of which is fixed to the middle of the reinforcing spring sheet (6), and the other end of which is fixed to the inner wall of the rotating ring.

9. The frictionless torsion spring flexible bearing according to claim 8, characterized in that: The vertical spring sheet (7) is connected to the reinforcing spring sheet (6) or the inner wall of the rotating ring by welding.

10. The frictionless torsion spring flexible bearing according to claim 1, characterized in that: The relative swing angle between the rotating ring and the supporting ring is 45 degrees.