Brake system of direct-drive five-axis cradle rotary table
By designing a brake system including transmission shaft, brake gland, brake pads, brake pistons, turntable bearings and water jackets, the problem of difficult to stop the turntable quickly in high-speed and high-precision applications of traditional brake systems is solved, and a fast and reliable stop function is achieved, while reducing wear and energy consumption.
Patent Information
- Application Number
- CN202420720330.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The traditional direct drive five-axis cradle turntable brake system is difficult to stop the turntable quickly and reliably in high-speed and high-precision applications, and there are problems of wear and energy consumption.
A brake system including a transmission shaft, brake gland, brake pad, brake piston, turntable bearing and water jacket is designed. The brake piston pushes the brake gland away from the brake pad through the brake piston, uses external oil to enter the pressure cavity to move the brake piston upward, and pushes the brake gland away from the brake pad, thereby achieving a relaxed state of the brake.
The system can quickly and reliably stop the turntable in high-speed, high-precision applications, while reducing wear and energy consumption, improving the performance of the direct-drive five-axis cradle turntable, and providing a safer and more reliable solution.
Smart Images

Figure CN222668750U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of five-axis cradle turntables, in particular to a brake system of a direct-drive five-axis cradle turntable. Background Art
[0002] The direct-drive five-axis cradle turntable is a highly complex mechanical system used to achieve multi-degree-of-freedom motion control, including rotation and tilt motion around multiple axes. In many applications, the turntable needs to be stopped and locked quickly and accurately during work to ensure the accurate positioning and safety of the workpiece or equipment. Traditional braking systems usually use friction brakes or electromagnetic brakes to achieve the stopping function. Friction brakes rely on the contact of friction materials to brake the turntable, while electromagnetic brakes use electromagnetic force to achieve braking. However, these traditional braking systems have some limitations in high-speed and high-precision applications. Utility Model Content
[0003] The utility model aims to provide a brake system for a direct-drive five-axis cradle turntable, which can quickly and reliably stop the turntable in high-speed, high-precision applications while reducing wear and energy consumption.
[0004] To achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a braking system of a direct-drive five-axis cradle turntable, including a transmission shaft, a brake pressure cover, a brake pad, a brake piston, a turntable bearing and a water jacket, the transmission shaft is installed in the water jacket through the turntable bearing, the transmission shaft is provided with a brake surface in the radial direction, the brake pad is installed on one side of the brake surface, the water jacket is provided with a pressure chamber connected to external oil corresponding to the brake surface, the brake piston is arranged in the pressure chamber, the brake pressure cover is installed on the end faces of the water jacket and contacts with the brake pad and the brake piston respectively, and the brake pressure cover is pushed away from the brake pad by the brake piston.
[0005] The brake gland material is spring steel.
[0006] The turntable bearing is connected to the transmission shaft through a bearing gland.
[0007] The brake pressure cover comprises a main body and a pressure ring connected to the main body as an integral body, the pressure ring is in contact with the brake piston and the brake pad respectively, and the brake piston pushes the pressure ring away from the brake pad.
[0008] The beneficial effects of the utility model are: the system can quickly and reliably stop the turntable in high-speed, high-precision applications, while reducing wear and energy consumption. The development of this brake system is expected to improve the performance of direct-drive five-axis cradle turntables, thereby providing safer and more reliable solutions in multiple engineering fields. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.
[0010] Figure 1 It is a structural schematic diagram of the brake system of the direct-drive five-axis cradle turntable in the embodiment of the utility model. DETAILED DESCRIPTION
[0011] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.
[0012] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. For example, the words "upper", "lower", "left" and "right" appearing in the present invention only indicate that they are consistent with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or components referred to need to have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.
[0013] Terminology explanation section: The terms "install", "connect", "connect", "fix" and the like in the present invention should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Now, the direct-drive five-axis cradle turntable brake system of the present invention is further explained in conjunction with the drawings and specific embodiments of the specification.
[0014] refer to Figure 1 , exemplifies a brake system for a direct-drive five-axis cradle turntable that can quickly and reliably stop the turntable in high-speed, high-precision applications while reducing wear and energy consumption. The development of this brake system is expected to improve the performance of direct-drive five-axis cradle turntables, thereby providing safer and more reliable solutions in multiple engineering fields. Specifically:
[0015] A brake system for a direct-drive five-axis cradle turntable, comprising a transmission shaft 1, a brake pressure cover 2, a brake pad 3, a brake piston 4, a turntable bearing 5 and a water jacket 6, wherein the transmission shaft 1 is installed in the water jacket 6 through the turntable bearing 5, a brake surface 11 is provided radially of the transmission shaft 1, the brake pad 3 is installed on one side of the brake surface 11, the water jacket 6 is provided with a pressure chamber 61 connected to external oil corresponding to the brake surface 11, the brake piston 4 is arranged in the pressure chamber 61, the brake pressure cover 2 is installed on the end faces of the water jacket 6 and contacts the brake pad 3 and the brake piston 4 respectively, and the brake pressure cover 2 is pushed to separate from the brake pad 3 by the brake piston 4, specifically, when power is turned on, the external oil enters the pressure chamber and causes the brake piston 4 to move upward, so as to push the brake pressure cover 2 to deform and move away from the brake pad 3, the brake changes from a clamped state to a loosened state, and the rotating shaft is allowed to rotate for relative motion.
[0016] It is worth noting that the brake gland 2 is made of spring steel, which provides clamping force and maintains system pressure. The brake pad 3 is matched with the transmission shaft 1 hole to hole, and is made of manganese steel, and is located between the brake gland 2 and the brake piston 4.
[0017] In this embodiment, the turntable bearing 5 is connected to the transmission shaft through a bearing cover 7. The turntable bearing is connected to the transmission shaft after the holes of the bearing cover are matched. The bearing cover plays a role in protecting the bearing, providing sealing and preventing deformation of the brake pad.
[0018] In this embodiment, the brake pressure cover 2 includes a main body 21 and a pressure ring 22 connected to the main body 21 as an integral body. The pressure ring 22 contacts the brake piston 4 and the brake pad 3 respectively. The brake piston 4 pushes the pressure ring 22 away from the brake pad 3, so that the brake changes from a clamped state to a loosened state, and the rotating shaft is allowed to rotate and perform relative movement.
[0019] Finally, it should be noted that any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model. Although the above describes the specific implementation of the utility model in conjunction with the drawings, it is not a limitation on the protection scope of the utility model. Those skilled in the art should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by those skilled in the art without creative labor are still within the protection scope of the utility model.
Claims
1. A brake system for a direct-drive five-axis cradle turntable, characterized in that: It includes a transmission shaft, a brake pressure cover, a brake pad, a brake piston, a turntable bearing and a water jacket. The transmission shaft is installed in the water jacket through the turntable bearing. The transmission shaft is provided with a brake surface in the radial direction. The brake pad is installed on one side of the brake surface. The water jacket is provided with a pressure chamber connected to external oil corresponding to the brake surface. The brake piston is arranged in the pressure chamber. The brake pressure cover is installed on the end face of the water jacket and contacts with the brake pad and the brake piston respectively. The brake pressure cover is pushed away from the brake pad by the brake piston.
2. A brake system for a direct-drive five-axis cradle turntable as claimed in claim 1, characterized in that: The brake gland material is spring steel.
3. A brake system for a direct-drive five-axis cradle turntable as claimed in claim 2, characterized in that: The turntable bearing is connected to the transmission shaft through a bearing gland.
4. The brake system of a direct-drive five-axis cradle turntable as claimed in claim 1, characterized in that: The brake pressure cover comprises a main body and a pressure ring connected to the main body as an integral body, the pressure ring is in contact with the brake piston and the brake pad respectively, and the brake piston pushes the pressure ring away from the brake pad.
Citation Information
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