Large-bearing precision rotary system

Abstract

The invention provides a large-bearing precision rotary system which comprises a main shaft, a radial bearing, a driving module, a large-bearing rotary table and a rotary detection module, the large-bearing rotary table comprises an upper bearing disc, a lower bearing disc and an end face bearing, the driving module is a high-precision rotary motor, and the rotary detection module is a rotary grating. According to the invention, a large-specification gear with the weight up to 10 tons can be borne, the characteristics of stable rotation, high-precision positioning requirements and the like can be met on the basis of large bearing, and the large-specification gear measuring device is widely applied to the field of large-specification gear measurement.

Description

Technical Field

[0001] The invention relates to the technical field of large-load precision rotary systems, and in particular to a large-load precision rotary system. Background Art

[0002] In the field of measuring large-sized gears with a diameter of more than 2 meters, in order to achieve accurate measurement in the 3D gear measurement center, a shaft system that can bear a large weight and rotate stably while bearing a large weight, with smooth movement without impact and speed change and accurate positioning is indispensable. At present, the ability to manufacture such a rotary system in this field is still a cutting-edge technology.

[0003] At present, the measurement of large-sized gears in the market is still dominated by gear measurement centers with a diameter of less than 1 meter, a load capacity of less than 2 tons, and cannot achieve precise positioning, which cannot adapt to the current gear measurement industry. The rotary system of similar products cannot achieve fine grinding rotary positioning, and has a low load capacity, which cannot adapt to the current gear measurement industry. Therefore, it is very necessary to design a large-load precision rotary system. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a large-load precision rotary system.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides a large-load precision rotary system, comprising:

[0007] A main shaft, a radial bearing, a driving module, a large-load turntable and a rotation detection module. The radial bearing is arranged on the main shaft, the large-load turntable is arranged on the radial bearing, the driving module is arranged on the lower side of the main shaft, the driving module is used to provide rotational power, the driving module is connected to the rotation detection module, the rotation detection module is used to collect rotation data, and the rotation detection module is connected to a computer.

[0008] Preferably, the large load-bearing turntable includes an upper supporting tray, a lower supporting tray and an end face bearing, the lower supporting tray is arranged on the outer side of the radial bearing, the end face bearing is arranged on the lower supporting tray, and the end face bearing is also arranged on the outer side of the radial bearing, the upper supporting tray is arranged on the top of the end face bearing, and the upper supporting tray is arranged on the outer side of the main shaft.

[0009] Preferably, the driving module is a high-precision rotary motor, and an output end of the high-precision rotary motor is connected to the main shaft.

[0010] Preferably, the rotation detection module is a rotating grating, the rotating grating is arranged on the high-precision rotary motor, and the rotating grating is connected to a computer.

[0011] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0012] The present invention provides a large-load precision rotary system, which includes a main shaft, a radial bearing, a drive module, a large-load turntable and a rotation detection module. The large-load turntable includes an upper support tray, a lower support tray and an end face bearing. The drive module is a high-precision rotary motor, and the rotation detection module is a rotating grating. The present invention can carry large-sized gears with a load weight of up to 10 tons, and can achieve stable rotation and high-precision positioning requirements on the basis of large load. It has been widely used in the field of large-sized gear measurement, and can achieve stable rotation requirements while carrying a large weight, stable movement without impact and speed change, and accurate positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments 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.

[0014] Figure 1 A schematic diagram of the structure provided by an embodiment of the present invention.

[0015] Figure numerals: 1, upper support tray; 2, end bearing; 3, lower support tray; 4, radial bearing; 5, rotating motor; 6, main shaft; 7, rotating grating. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] The purpose of the present invention is to provide a large-load precision rotary system, which can carry large-sized gears with a load weight of up to 10 tons, and can achieve smooth rotation and high-precision positioning requirements on the basis of large load, and has been widely used in the field of large-sized gear measurement.

[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 A schematic diagram of the structure provided by an embodiment of the present invention, such as Figure 1 As shown, the present invention provides a large-load precision rotary system, comprising:

[0020] A main shaft 6, a radial bearing 4, a driving module, a large-load turntable and a rotation detection module. The radial bearing 4 is arranged on the main shaft 6, the large-load turntable is arranged on the radial bearing 4, the driving module is arranged on the lower side of the main shaft 6, the driving module is used to provide rotation power, the driving module is connected to the rotation detection module, the rotation detection module is used to collect rotation data, and the rotation detection module is connected to a computer;

[0021] The rotation is provided with rotational power by the driving module, and the real-time rotation motion data is collected through the rotation detection module and fed back to the computer. The computer system calculates and feeds back to the driving module to complete the rotation and positioning functions.

[0022] The large load-bearing turntable includes an upper supporting tray 1, a lower supporting tray 3 and an end face bearing 2. The lower supporting tray 3 is arranged on the outer side of the radial bearing 4, the end face bearing 2 is arranged on the lower supporting tray 3, and the end face bearing 2 is also arranged on the outer side of the radial bearing 4. The upper supporting tray 1 is arranged on the top of the end face bearing 2, and the upper supporting tray 1 is arranged on the outer side of the main shaft 6.

[0023] The driving module is a high-precision rotary motor 5 , and an output end of the high-precision rotary motor 5 is connected to the main shaft 6 .

[0024] The rotation detection module is a rotating grating 7 , the rotating grating 7 is arranged on the high-precision rotary motor 5 , and the rotating grating 7 is connected to a computer.

[0025] The upper support tray 1 supports the workpiece to be measured, the lower support tray 3 supports the main shaft bearing base, the end face bearing 2 performs end face positioning and end face rolling, the radial bearing 4 serves as the main transmission medium of the entire main shaft 6, the rotating motor 5 is responsible for providing rotation output, the rotating grating 7 is responsible for rotation counting, and the main shaft 6 is the main body of the system;

[0026] The upper tray 1 and the lower tray 3 form a large load-bearing turntable through the end bearing 2. The upper tray 1 and the lower tray 3 form a precision rotating body through the radial bearing 4, the rotating motor 5 and the rotating grating 7. The large load-bearing turntable and the precision rotating body are connected through the main shaft 6 to form a large load-bearing precision rotating system.

[0027] It is driven by a high-precision rotary motor 5 and positioned in conjunction with a high-precision rotating grating 7. During the movement, the rotating grating 7 collects data in real time and uploads the data to the driver of the high-precision rotary motor 5. The driver then uses the position loop to perform full closed-loop control and corrects the position error caused by movement and start-stop in real time, so that the system has high movement and positioning accuracy. The rotation is provided with rotational power by a high-precision rotary motor, and real-time rotational motion data is collected through the rotating grating 7 and fed back to the computer. The rotation numerical feedback of the rotating grating 7 is compared with the theoretical parameters by the computer system, and the calculation results are fed back to the high-precision rotary motor to complete the rotation and positioning functions.

[0028] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0029] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A large load-bearing precision rotary system, characterized in that: include: A main shaft, a radial bearing, a driving module, a large-load turntable and a rotation detection module. The radial bearing is arranged on the main shaft, the large-load turntable is arranged on the radial bearing, the driving module is arranged on the lower side of the main shaft, the driving module is used to provide rotational power, the driving module is connected to the rotation detection module, the rotation detection module is used to collect rotation data, and the rotation detection module is connected to a computer.

2. The method according to claim 1, characterized in that The large load-bearing turntable includes an upper supporting tray, a lower supporting tray and an end face bearing. The lower supporting tray is arranged on the outer side of the radial bearing, the end face bearing is arranged on the lower supporting tray, and the end face bearing is also arranged on the outer side of the radial bearing. The upper supporting tray is arranged on the top of the end face bearing, and the upper supporting tray is arranged on the outer side of the main shaft.

3. The method according to claim 1, characterized in that The driving module is a high-precision rotary motor, and the output end of the high-precision rotary motor is connected to the main shaft.

4. The method according to claim 3, characterized in that The rotation detection module is a rotating grating, the rotating grating is arranged on the high-precision rotary motor, and the rotating grating is connected to a computer.

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