Integrated slewing bearing bearing

Abstract

The application belongs to the technical field of bearing equipment manufacturing, and particularly relates to an integrated slewing bearing, which comprises an inner ring, an outer ring and steel balls, the steel balls are arranged between the inner ring and the outer ring, and the steel balls are in rolling connection with the inner ring raceway and the outer ring raceway; the inner ring is provided with a first inner diameter and a second inner diameter, a power gear is arranged on the surface of the first inner diameter, and a data gear is arranged on the surface of the second inner diameter. The data gear and the slewing bearing inner ring are designed as a whole, there are two rows of gears in the inner ring, the upper row is the data gear, and the lower row is the power gear, the two rows of gears rotate coaxially during work, and the data recording and data transmission accuracy of the data gear is greatly improved. Meanwhile, space is saved, installation is facilitated, and the modular integration design is facilitated.

Description

Technical Field

[0001] This invention belongs to the field of bearing equipment manufacturing technology, and specifically relates to an integrated slewing bearing. Background Technology

[0002] With the development of mechanical structures, there are more refined requirements for the operating data of the slewing bearings in the turntable. Using an external structure to collect the operating data of the bearings in order to obtain or control the rotation stroke of the bearings is not only bulky and difficult to install, but also the data obtained is not accurate, it is difficult to overcome errors, and it is not conducive to information collection. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the purpose of this invention is to provide a slewing bearing that is compact, small in size, light in weight, high in precision, strong in load-bearing capacity, and conducive to modular design.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an integrated slewing bearing, comprising an inner ring, an outer ring, and steel balls, wherein the steel balls are disposed between the inner ring and the outer ring, and the steel balls are in rolling connection with the inner ring raceway and the outer ring raceway; the inner ring is provided with a first inner diameter and a second inner diameter, a power gear is provided on the surface of the first inner diameter, and a data gear is provided on the surface of the second inner diameter.

[0005] Furthermore, the power gear and the data gear are coaxially arranged.

[0006] Furthermore, the first inner diameter and the second inner diameter are offset axially along the inner wall of the inner ring.

[0007] Furthermore, the first inner diameter is located in the middle of the inner wall of the inner ring, and the second inner diameter is located on one side edge of the inner wall of the inner ring.

[0008] Furthermore, an annular stop surface is provided on the side of the inner wall of the inner ring away from the second inner diameter.

[0009] Furthermore, the first inner diameter is smaller than the second inner diameter.

[0010] Furthermore, a third inner diameter is spaced between the first inner diameter and the second inner diameter.

[0011] Furthermore, the third inner diameter is larger than the first inner diameter and the second inner diameter.

[0012] Furthermore, the outer ring is provided with a ball-filling port, which is sealed by a ball-blocking block, and the ball-blocking block is fixedly connected to the outer ring by a conical pin.

[0013] Furthermore, the inner ring and the outer ring are sealed by a sealing ring, which is disposed on both sides of the bearing; an isolation block is disposed between two adjacent steel balls, and several steel balls are separated one by one by the isolation block.

[0014] The beneficial effects of this invention are as follows: The data gear and the inner ring of the slewing bearing are designed as a single unit. The inner ring contains two rows of gears, the upper row being the data gear and the lower row being the power gear. During operation, the two rows of gears rotate coaxially, significantly improving the accuracy of data recording and data transmission. Simultaneously, it saves space, facilitates installation, and is beneficial for modular integrated design. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the integrated slewing bearing structure of the present invention;

[0016] In the diagram: 1. Inner ring, 2. Outer ring, 3. Steel ball, 4. Power gear, 5. Data gear, 6. Third inner diameter, 7. Sealing ring, 8. Isolation block, 9. Ball-blocking block, 10. Tapered pin, 11. Annular stop surface. Detailed Implementation

[0017] To make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0018] See appendix Figure 1 An integrated slewing bearing includes an inner ring 1, an outer ring 2, and steel balls 3. The steel balls 3 are disposed between the inner ring 1 and the outer ring 2, and are in rolling connection with the inner ring raceway and the outer ring raceway. The inner ring 1 is provided with a first inner diameter and a second inner diameter. A drive gear 4 is provided on the surface of the first inner diameter, and a data gear 5 is provided on the surface of the second inner diameter. The drive gear 4 and the data gear 5 are coaxially arranged.

[0019] Based on the above technical solution, it should be noted that the inner wall of the bearing inner ring is configured to form annular surfaces of different diameters, and power gears and data gears are respectively set on the annular surfaces of different diameters. During operation, the two rows of gears rotate coaxially, which greatly improves the accuracy of data recording and data transmission of the data gears.

[0020] Furthermore, the first inner diameter and the second inner diameter are axially offset on the inner wall of the inner ring. With the first inner diameter and the second inner diameter axially offset, the operation of the power gear 4 and the data gear 5 does not interfere with each other.

[0021] Furthermore, the first inner diameter is located in the middle of the inner wall of the inner ring, and the second inner diameter is located on one side edge of the inner wall of the inner ring.

[0022] Based on the above technical solution, it should be noted that the power gear 4 is installed in the middle of the inner wall of the inner ring, which facilitates the operation of the bearing and avoids uneven torque transmission and stress concentration. The axial width of the first inner diameter is greater than the axial width of the second inner diameter, that is, the axial width of the power gear 4 is greater than the axial width of the data gear 5, which facilitates torque transmission and drives the bearing to operate.

[0023] Furthermore, an annular stop surface 11 is provided on the side of the inner wall of the inner ring away from the second inner diameter.

[0024] Furthermore, the first inner diameter is smaller than the second inner diameter.

[0025] Based on the above technical solution, the annular diameter formed by the first inner diameter surface is smaller than the annular diameter formed by the second inner diameter surface, ensuring that there is a certain height difference between the two rows of gears in the inner ring (i.e., the data gear and the power gear). This design is based on processing considerations and is convenient for processing two types of gears with different tooth numbers and modules.

[0026] Furthermore, a third inner diameter 6 is spaced between the first inner diameter and the second inner diameter, and the third inner diameter 6 is larger than the first inner diameter and the second inner diameter.

[0027] Based on the above technical solution, it should be noted that, in order to avoid mutual interference between the end faces of the gears meshing with the power gear 4 and the data gear 5, the first inner diameter and the second inner diameter, on which the power gear and the data gear are mounted, are separated by a third inner diameter. The third inner diameter 6 is larger than the first and second inner diameters, ensuring that the junction between the third inner diameter and the first and second inner diameters is a cavity, thus avoiding interference.

[0028] Furthermore, the first inner diameter, the second inner diameter, and the third inner diameter are all stepped transitions.

[0029] Furthermore, the inner ring 1 and the outer ring 2 are sealed by a sealing ring 7, which is disposed on both sides of the bearing; an isolation block 8 is disposed between two adjacent steel balls, and several steel balls are separated one by one by the isolation block 8.

[0030] The spacer block in this application replaces the cage. In actual use, the gap between the steel balls can be adjusted by adjusting the size of the spacer block. When the gap between the steel balls decreases, under the premise that the slewing bearing of the present invention, i.e. the four-point contact ball slewing bearing, has stable dimensions, the number of steel balls increases. As the number of steel balls increases, the rigidity of the bearing also increases, thereby improving the bearing's load-bearing capacity.

[0031] Furthermore, the outer ring 2 is provided with a ball loading port, and a matching ball blocking block 9 is installed inside the ball loading port. The ball blocking block 9 is fixedly connected to the outer ring 2 by a conical pin 10.

[0032] Based on the above technical solution, the ball loading port and the ball blocking block are interference-fitted, and the ball loading port is sealed by the ball blocking block 9. The steel ball 3 and the spacer block 8 are loaded into the raceway through the ball loading port. After loading, the ball loading port is blocked by the ball blocking block 9, and then the ball blocking block is fixed by the tapered pin 10 to complete the bearing assembly.

[0033] This invention provides a slewing bearing integrating a data gear and a slewing bearing. This bearing is used in a turntable with a specific azimuth, enabling smooth and continuous operation from 0° to 360°, providing support and orientation. It can rotate according to a predetermined pattern or follow the target's movement, accurately pointing towards the target. This bearing has the following advantages:

[0034] 1. The data gear and the inner ring of the slewing bearing are designed as one piece. The inner ring has two rows of gears, the upper row is the data gear and the lower row is the power gear. During operation, the two rows of gears rotate coaxially, which greatly improves the accuracy of data recording and data transmission of the data gear.

[0035] 2. Integrating the data gear with the inner ring of the slewing bearing saves space, facilitates installation, and promotes modular integration design.

[0036] 3. A certain height difference is left between the two rows of gears in the inner ring (i.e., the data gear and the power gear). This design is based on machining considerations and is convenient for machining two types of gears with different tooth numbers and modules.

[0037] The above examples are merely preferred embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All variations that can be directly derived or conceived by those skilled in the art from the disclosure of the present invention should be considered within the scope of protection of the present invention.

Claims

1. An integrated slewing bearing, characterized in that: It includes an inner ring, an outer ring, and a steel ball, wherein the steel ball is disposed between the inner ring and the outer ring and is in rolling connection with the inner ring raceway and the outer ring raceway; the inner ring is provided with a first inner diameter and a second inner diameter, a power gear is provided on the surface of the first inner diameter, and a data gear is provided on the surface of the second inner diameter. The power gear and the data gear are coaxially arranged; The first inner diameter and the second inner diameter are offset along the axial direction and are disposed on the inner wall of the inner ring. The first inner diameter is located in the middle of the inner wall of the inner ring, and the second inner diameter is located on one edge of the inner wall of the inner ring. The first inner diameter is smaller than the second inner diameter; A third inner diameter is spaced between the first inner diameter and the second inner diameter; The third inner diameter is larger than the first inner diameter and the second inner diameter.

2. The integrated slewing bearing according to claim 1, characterized in that: An annular stop surface is provided on the side of the inner wall of the inner ring away from the second inner diameter.

3. The integrated slewing bearing according to claim 1, characterized in that: The outer ring is provided with a ball loading port, and a matching ball blocking block is installed inside the ball loading port. The ball blocking block is fixedly connected to the outer ring by a conical pin.

4. The integrated slewing bearing according to claim 1, characterized in that: The inner and outer rings are sealed by a sealing ring, which is located on both sides of the bearing; an isolation block is provided between two adjacent steel balls, and several steel balls are separated by the isolation block.

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