A fluid-circulating magnetorheological brake with eccentric reinforcement

Abstract

This invention provides a fluid-circulating magnetorheological brake with eccentric reinforcement, comprising an input shaft cylinder and a camshaft. One end of the input shaft cylinder is provided with a cylindrical section, and a camshaft is coaxially arranged inside the cylindrical section. A first disk is provided on the end face of the camshaft facing away from the input shaft cylinder, and a second disk is provided on the end face of the input shaft cylinder facing away from the camshaft. A first guide rail and a second guide rail are provided opposite to each other on the end faces of the first disk and the second guide rail. The first guide rail is slidably connected to a first sliding assembly, and the second guide rail is slidably connected to a second sliding assembly. A first brake disc is provided on the camshaft, and a second brake disc is provided on the input shaft cylinder. When torque is input, the two brake discs generate eccentric compression, causing the magnetorheological fluid to produce a compression reinforcement effect. The shear yield stress of the magnetorheological fluid is increased, promoting the flow of the magnetorheological fluid, facilitating heat dissipation of the magnetorheological fluid, reducing the impact of temperature rise on the performance of the magnetorheological fluid, and outputting a larger and more stable braking torque.

Description

Technical Field

[0001] This invention relates to the field of brake technology, and in particular to a fluid-circulating magnetorheological brake with eccentric reinforcement. Background Technology

[0002] In modern industry, transportation and other fields, braking technology and equipment performance play a crucial role in the safe operation and stable functioning of mechanical devices. Traditional brakes mainly rely on dry friction between braking components to achieve braking, and their technology is mature and widely used. However, with the continuous development of science and technology and the gradual improvement of production requirements and manufacturing standards, traditional brakes have shortcomings such as heavy friction damage and poor functional integration, which obviously cannot meet the current working requirements of high precision, strong stability and multi-integration.

[0003] The research and development of intelligent materials and magnetorheological fluids has provided a new direction for the integration, intelligence, and controllability of brakes. Magnetorheological brakes have been widely studied and applied due to their advantages such as rapid braking response, continuously adjustable torque, and controllable output performance. Magnetorheological brakes are mainly composed of a brake rotor, housing, magnetorheological fluid, and excitation coil. According to their structure, they are mainly divided into three types: disc type, cylindrical type, and hybrid type. According to the working mode of the magnetorheological fluid, they are divided into flow type, shear type, and extrusion type. When the excitation coil is energized, a magnetic field is generated, and the magnetorheological fluid changes from a Newtonian fluid to a solid-like substance. The viscosity of the magnetorheological fluid increases, and it increases with the increase of the magnetic field strength. The torque required for braking is generated between the rotor and the stator. By adjusting the magnitude of the input current, the magnitude of the braking torque is controlled, and stepless adjustment of the braking torque is achieved.

[0004] The main problems with the currently designed magnetorheological brakes are insufficient output braking torque and decreased rheological and mechanical properties due to viscous dissipation of the magnetorheological fluid and heating of the excitation coil. Summary of the Invention

[0005] In view of the above situation, it is necessary to provide a fluid circulation magnetorheological brake with eccentric reinforcement effect to address the problems of insufficient braking torque and severe heat generation of the device in the existing technology.

[0006] A fluid-circulating magnetorheological brake with eccentric reinforcement includes an input shaft cylinder and a camshaft. One end of the input shaft cylinder is provided with a cylinder, and the camshaft is coaxially arranged inside the cylinder. The end face of the camshaft facing away from the input shaft cylinder is provided with a first disk, and the end face of the input shaft cylinder facing away from the camshaft is provided with a second disk. The end faces of the first disk facing the second disk are provided with a first guide rail and a second guide rail. The first guide rail is slidably connected to a first sliding assembly, and the second guide rail is slidably connected to a second sliding assembly. The first sliding assembly and the second sliding assembly are arranged opposite to each other.

[0007] A first brake disc is provided on the camshaft, and the first brake disc is located on the end face of the first disc facing away from the second disc. A second brake disc is provided on the input shaft cylinder, and the second brake disc is located on the end face of the second disc facing away from the first disc. Both the first brake disc and the second brake disc are eccentric structures.

[0008] An outer cylinder is fitted onto the input shaft cylinder and the camshaft. A right end cover is provided on the right end face of the input shaft cylinder, and a left end cover is provided on the left end face of the camshaft. Both the right end cover and the left end cover are connected to the outer cylinder. A winding sleeve is fitted between the outer cylinder and the input shaft cylinder. A first magnetic isolation ring and a second magnetic isolation ring are provided opposite to each other on the first and second disks. A first excitation coil and a second excitation coil are respectively provided on the first magnetic isolation ring and the second magnetic isolation ring. The first magnetic isolation ring and the second magnetic isolation ring are respectively connected to the winding sleeve through the first disk and the second disk.

[0009] The two end faces of the first brake disc form a first radial damping gap and a second radial damping gap with the end faces of the first through disc and the left end cover, respectively. The two end faces of the second brake disc form a third radial damping gap and a fourth radial damping gap with the end faces of the second through disc and the right end cover, respectively.

[0010] The beneficial effects of this invention are:

[0011] Utilizing the cam motion principle, the rotational motion of the input shaft cylinder is reversed, resulting in opposite rotational directions for the first and second brake discs. As the input shaft cylinder rotates, it drives the first sliding assembly to reciprocate linearly along the first and second guide rails, respectively. Simultaneously, the first and second sliding assemblies drive the camshaft to rotate in the opposite direction to the input shaft cylinder, thus causing the first and second brake discs to rotate in opposite directions. The brake discs employ an eccentric structure. When torque is input, the first and second brake discs generate eccentric compression, causing the magnetorheological fluid to exhibit a compression strengthening effect. This increases the shear yield stress of the magnetorheological fluid, resulting in a larger braking torque output. The eccentric compression force generated by both the first and second brake discs promotes the flow of the magnetorheological fluid, enabling it to circulate between the two working chambers (the spaces where the first and second brake discs rotate). This aids in heat dissipation of the magnetorheological fluid, reducing the impact of temperature rise on its performance and resulting in a larger and more stable braking torque output.

[0012] Furthermore, the first disk is connected to the second disk via a connecting sleeve, which is sleeved between the input shaft cylinder and the winding sleeve.

[0013] Furthermore, a flow cavity is formed between the connecting sleeve and the winding sleeve.

[0014] Further, the first sliding assembly includes a first sliding guide block and a first sliding cylinder. One end of the first sliding cylinder passes through the first sliding guide block and extends away from the first sliding guide block. A first guide groove is provided on the first guide rail. The first sliding guide block is movably connected to the first guide groove. The two opposite ends of the first sliding cylinder are movably connected to the cylinder and the camshaft, respectively. The second sliding assembly includes a second sliding guide block and a second sliding cylinder. One end of the second sliding cylinder passes through the second sliding guide block and extends away from the second sliding guide block. A second guide groove is provided on the second guide rail. The second sliding guide block is movably connected to the second guide groove. The two opposite ends of the second sliding cylinder are movably connected to the cylinder and the camshaft, respectively.

[0015] Furthermore, a first cam groove is formed on the inner wall of the cylinder, and a second cam groove is formed on the outer wall of the camshaft. Both the first cam groove and the second cam groove are closed spirals, and both the first sliding cylinder and the second sliding cylinder are movably connected to the first cam groove and the second cam groove.

[0016] Furthermore, the included angle between the first guide rail and the second guide rail is 180°.

[0017] Furthermore, a first arc-shaped groove is provided on the first disk, and the first arc-shaped groove communicates with the flow cavity.

[0018] Furthermore, a second arc-shaped groove is provided on the second disk, and the second arc-shaped groove communicates with the flow cavity.

[0019] Furthermore, oil retaining rings are provided on both sides of the first brake disc and the second brake disc.

[0020] Furthermore, the input shaft cylinder, the right end cover, the outer cylinder, the left end cover, the camshaft, the first brake disc, the second brake disc, the first through disc, the second through disc, the first guide rail, the second guide rail, the first sliding guide block, the second sliding guide block, the first sliding cylinder, the second sliding cylinder, the winding sleeve, and the connecting sleeve are all made of magnetically conductive material, and the first magnetic shielding ring and the second magnetic shielding ring are made of magnetically shielding material. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the hydraulic circulation magnetorheological brake with eccentric reinforcement in this invention.

[0023] Figure 2 This is a schematic diagram of the excitation force lines, damping gap distribution, and fluid circulation channel in this invention;

[0024] Figure 3 This is a schematic diagram of the input shaft cylinder, camshaft, first guide rail, and second guide rail in this invention.

[0025] Figure 4 This is a schematic diagram of the input shaft cylinder of the present invention;

[0026] Figure 5 This is a schematic diagram of the camshaft structure in this invention;

[0027] Figure 6 This is a schematic diagram of the structure of the first guide rail in this invention;

[0028] Figure 7 This is a schematic diagram of the first brake disc in this invention;

[0029] Figure 8 This is a first overall schematic diagram of the present invention.

[0030] In the diagram: 1. Input shaft cylinder; 11. First cam groove; 2. Right end cover; 3. Outer cylinder; 4. Left end cover; 51. First excitation coil; 52. Second excitation coil; 61. First magnetic isolation ring; 62. Second magnetic isolation ring; 7. Camshaft; 71. Second cam groove; 81. First brake disc; 82. Second brake disc; 91. First guide plate; 911. First arc groove; 92. Second guide plate; 101. First guide rail; 1011. 102. Guide groove; 110. Second guide rail; 111. First sliding assembly; 112. First sliding guide block; 123. First sliding cylinder; 124. Second sliding assembly; 125. Second sliding guide block; 126. Second sliding cylinder; 127. Winding sleeve; 14. Connecting sleeve; 15. First radial damping gap; 16. Second radial damping gap; 17. Third radial damping gap; 18. Fourth radial damping gap; 19. Flow cavity.

[0031] The embodiments of the present invention will be further described below with reference to the accompanying drawings. Detailed Implementation

[0032] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0033] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0035] Please see Figures 1 to 8 The image shows an embodiment of the present invention of a fluid circulation magnetorheological brake with eccentric reinforcement, comprising an input shaft cylinder 1 and a camshaft 7. One end of the input shaft cylinder 1 is provided with a cylinder, and the camshaft 7 is coaxially arranged inside the cylinder. The end face of the camshaft 7 facing away from the input shaft cylinder 1 is provided with a first disk 91, and the end face of the input shaft cylinder 1 facing away from the camshaft 7 is provided with a second disk 92. The first disk 91 is connected to the second disk 92 through a connecting sleeve 14. The connecting sleeve 14 is sleeved between the input shaft cylinder 1 and the winding sleeve 13, forming a flow cavity 19 between the connecting sleeve 14 and the winding sleeve 13. The flow cavity 19 is axial. The first disk 91 is provided with a first arc-shaped groove 911, and the second disk 92 is provided with a second arc-shaped groove. Both the first arc-shaped groove 911 and the second arc-shaped groove are connected to the flow cavity 19.

[0036] It should be noted that the first disk 91 and the second disk 92 have the same structure. The first disk 91 and the second disk 92 are in contact with the camshaft 7 and the input shaft cylinder 1, respectively. The first arc groove 911 and the second arc groove are both connected to the flow cavity 19, providing a channel for the flow of magnetorheological fluid.

[0037] Specifically, the end face of the first disk 91 facing the second disk 92 is provided with a first guide rail 101 and a second guide rail 102, the included angle between the first guide rail 101 and the second guide rail 102 is 180°, the first guide rail 101 is slidably connected to the first sliding component 110, the second guide rail 102 is slidably connected to the second sliding component 120, and the first sliding component 110 and the second sliding component 120 are arranged opposite to each other.

[0038] Specifically, the first sliding assembly 110 and the second sliding assembly 120 have the same structure. The first sliding assembly 110 includes a first sliding guide block 111 and a first sliding cylinder 112. One end of the first sliding cylinder 112 passes through the first sliding guide block 111 and extends away from the first sliding guide block 111. A first guide groove 1011 is provided on the first guide rail 101. The first sliding guide block 111 is slidably connected to the first guide groove 1011. The two opposite ends of the first sliding cylinder 112 are slidably connected to the cylinder and the camshaft 7, respectively. The second sliding assembly 120 includes a second sliding guide block 121 and a second sliding cylinder 122. One end of the second sliding cylinder 122 passes through the second sliding guide block 121 and extends away from the second sliding guide block 121. A second guide groove is provided on the second guide rail 102. The second sliding guide block 121 is slidably connected to the second guide groove. The two opposite ends of the second sliding cylinder 122 are slidably connected to the cylinder at one end of the input shaft cylinder 1 and the camshaft 7, respectively.

[0039] Specifically, a first cam groove 11 is formed on the inner wall of the cylinder at one end of the input shaft cylinder 1, and a second cam groove 71 is formed on the outer wall of the camshaft 7. Both the first cam groove 11 and the second cam groove 71 are closed spirals. The first sliding cylinder 112 and the second sliding cylinder 122 are slidably connected to the first cam groove 11 and the second cam groove 71.

[0040] It is worth mentioning that, based on the principle of cam motion, when the input shaft cylinder 1 rotates, it drives the first sliding cylinder 112 and the second sliding cylinder 122 to move along the first cam groove 11. At the same time, it drives the first sliding guide block 111 and the second sliding guide block 121 to reciprocate linearly in the first guide groove 1011 and the second guide groove respectively. The first sliding cylinder 112 and the second sliding cylinder 122 drive the camshaft 7 to rotate in the opposite direction to the input shaft cylinder 1, thereby causing the first brake disc 81 and the second brake disc 82 to rotate in opposite directions.

[0041] Specifically, a first brake disc 81 is mounted on the camshaft 7, located on the end face of the first through plate 91 facing away from the second through plate 92. A second brake disc 82 is mounted on the input shaft cylinder 1, located on the end face of the second through plate 92 facing away from the first through plate 91. Both the first brake disc 81 and the second brake disc 82 are eccentric structures. Both the first brake disc 81 and the second brake disc 82 are provided with through holes and keyways. They are axially and circumferentially positioned with the camshaft 7 and the input shaft cylinder 1 respectively by sleeves and flat keys to achieve cooperation and positioning with the camshaft 7 and the input shaft cylinder 1. Since both the first brake disc 81 and the second brake disc 82 adopt eccentric structures, during operation, eccentric extrusion is generated to push the magnetorheological fluid to flow between the two working chambers. At the same time, the magnetorheological fluid exhibits an extrusion strengthening effect, outputting a larger braking torque.

[0042] Specifically, an outer cylinder 3 is fitted onto the input shaft cylinder 1 and the camshaft 7. A right end cover 2 is provided on the right end face of the input shaft cylinder 1, and a left end cover 4 is provided on the left end face of the camshaft 7. Both the right end cover 2 and the left end cover 4 are connected to the outer cylinder 3. A winding sleeve 13 is fitted between the outer cylinder 3 and the input shaft cylinder 1. A first magnetic isolation ring 61 and a second magnetic isolation ring 62 are provided opposite to each other on the first disk 91 and the second disk 92. A first excitation coil 51 and a second excitation coil 52 are respectively provided on the first magnetic isolation ring 61 and the second magnetic isolation ring 62. The first magnetic isolation ring 61 and the second magnetic isolation ring 62 are connected to the winding sleeve 13 through the first disk 91 and the second disk 92, respectively. The input shaft cylinder 1 passes through the central through hole of the right end cover 2. A bearing is provided between the right end cover 2 and the right end cover 4; the left end face of the right end cover 2 is fastened to the right end face of the outer cylinder 3 by screws, and the left end face of the outer cylinder 3 and the right end face of the left end cover 4 are fastened to each other by screws. The first excitation coil 51 and the second excitation coil 52 are respectively engaged with the outer circumferential surfaces of the first magnetic isolation ring 61 and the second magnetic isolation ring 62. The first magnetic isolation ring 61, the first through plate 91, the second magnetic isolation ring 62 and the second through plate 92 are fastened to the winding sleeve 13 by screws. When the first excitation coil 51 and the second excitation coil 52 are energized, a magnetic field perpendicular to the gap is formed in the first radial damping gap 15, the second radial damping gap 16, the third radial damping gap 17 and the fourth radial damping gap 18.

[0043] Specifically, the two end faces of the first brake disc 81 form a first radial damping gap 15 and a second radial damping gap 16 with the end faces of the first through disc 91 and the left end cover 4, respectively, and the two end faces of the second brake disc 82 form a third radial damping gap 17 and a fourth radial damping gap 18 with the end faces of the second through disc 92 and the right end cover 2, respectively. Oil baffles are provided on both sides of the first brake disc 81 and the second brake disc 82. The first radial damping gap 15, the second radial damping gap 16, the third radial damping gap 17, and the fourth radial damping gap 18 are the effective working areas of the magnetorheological brake. When current is applied, a magnetic field perpendicular to the gap is formed in the first radial damping gap 15, the second radial damping gap 16, the third radial damping gap 17, and the fourth radial damping gap 18. The magnetorheological fluid undergoes a magnetorheological effect and outputs torque. The oil baffles on both sides of the first brake disc 81 are in contact with and positioned against the left end cover 4, the camshaft 7, and the first through plate 91. The oil baffles on both sides of the second brake disc 82 are in contact with and positioned against the right end cover 2, the input shaft cylinder 1, and the second through plate 92 to reduce the leakage of the magnetorheological fluid.

[0044] Specifically, the input shaft cylinder 1, right end cover 2, outer cylinder cylinder 3, left end cover 4, camshaft 7, first brake disc 81, second brake disc 82, first through disc 91, second through disc 92, first guide rail 101, second guide rail 102, first sliding guide block 111, second sliding guide block 121, first sliding cylinder 112, second sliding cylinder 122, winding sleeve 13 and connecting sleeve 14 are all made of magnetically conductive material, and the first magnetic shielding ring 61 and the second magnetic shielding ring 62 are made of magnetically shielding material.

[0045] This invention employs the principle of cam motion to reverse the rotational motion direction of the input shaft cylinder 1, thereby achieving opposite rotational motion directions for the first brake disc 81 and the second brake disc 82. When the input shaft cylinder 1 rotates, it drives the first sliding guide block 111 to reciprocate linearly on the first guide rail 101 and the second sliding guide block 121 on the second guide rail 102. Simultaneously, the first sliding cylinder 112 and the second sliding cylinder 122 drive the camshaft 7 to rotate in the opposite direction to the input shaft cylinder 1, thus causing the first brake disc 81 and the second brake disc 82 to rotate in opposite directions. Both brake discs 82 adopt an eccentric structure. When torque is input, both the first brake disc 81 and the second brake disc 82 generate eccentric compression, which causes the magnetorheological fluid to produce a compression strengthening effect, thereby increasing the shear yield stress of the magnetorheological fluid and achieving a larger output braking torque. The eccentric compression force generated by the brake disc promotes the flow of the magnetorheological fluid, enabling the magnetorheological fluid to circulate between the two working chambers (the space where the first brake disc 81 and the second brake disc 82 rotate). This helps to dissipate heat from the magnetorheological fluid, reduces the impact of temperature rise on the performance of the magnetorheological fluid, and outputs a larger and more stable braking torque.

[0046] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A fluid-circulating magnetorheological brake with eccentric reinforcement, characterized in that: The device includes an input shaft cylinder and a camshaft. One end of the input shaft cylinder is provided with a cylindrical section, and the camshaft is coaxially arranged inside the cylindrical section. The end face of the camshaft facing away from the input shaft cylinder is provided with a first disk, and the end face of the input shaft cylinder facing away from the camshaft is provided with a second disk. The end faces of the first disk facing the second disk are provided with a first guide rail and a second guide rail. The first guide rail is slidably connected to a first sliding component, and the second guide rail is slidably connected to a second sliding component. The first sliding component and the second sliding component are arranged opposite to each other. Both the first sliding component and the second sliding component are movably connected to the cylinder and the camshaft, so as to enable the first sliding component and the second sliding component to drive the camshaft to rotate in opposite directions to the input shaft cylinder; A first brake disc is provided on the camshaft, and the first brake disc is located on the end face of the first disc facing away from the second disc. A second brake disc is provided on the input shaft cylinder, and the second brake disc is located on the end face of the second disc facing away from the first disc. Both the first brake disc and the second brake disc are eccentric structures. An outer cylinder is fitted onto the input shaft cylinder and the camshaft. A right end cover is provided on the right end face of the input shaft cylinder, and a left end cover is provided on the left end face of the camshaft. Both the right end cover and the left end cover are connected to the outer cylinder. A winding sleeve is fitted between the outer cylinder and the input shaft cylinder. A first magnetic isolation ring and a second magnetic isolation ring are provided opposite to each other on the first and second disks. A first excitation coil and a second excitation coil are respectively provided on the first magnetic isolation ring and the second magnetic isolation ring. The first magnetic isolation ring and the second magnetic isolation ring are respectively connected to the winding sleeve through the first disk and the second disk. The two end faces of the first brake disc form a first radial damping gap and a second radial damping gap with the end faces of the first through disc and the left end cover, respectively. The two end faces of the second brake disc form a third radial damping gap and a fourth radial damping gap with the end faces of the second through disc and the right end cover, respectively.

2. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 1, characterized in that: The first disk is connected to the second disk via a connecting sleeve, which is fitted between the input shaft cylinder and the winding sleeve.

3. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 2, characterized in that: A flow cavity is formed between the connecting sleeve and the winding sleeve.

4. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 3, characterized in that: The first sliding assembly includes a first sliding guide block and a first sliding cylinder. One end of the first sliding cylinder passes through the first sliding guide block and extends away from the first sliding guide block. A first guide groove is provided on the first guide rail. The first sliding guide block is movably connected to the first guide groove. The two opposite ends of the first sliding cylinder are movably connected to the cylinder and the camshaft, respectively. The second sliding assembly includes a second sliding guide block and a second sliding cylinder. One end of the second sliding cylinder passes through the second sliding guide block and extends away from the second sliding guide block. A second guide groove is provided on the second guide rail. The second sliding guide block is movably connected to the second guide groove. The two opposite ends of the second sliding cylinder are movably connected to the cylinder and the camshaft, respectively.

5. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 4, characterized in that: The inner wall of the cylinder has a first cam groove, and the outer wall of the camshaft has a second cam groove. Both the first cam groove and the second cam groove are closed spirals. The first sliding cylinder and the second sliding cylinder are movably connected to the first cam groove and the second cam groove.

6. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 1, characterized in that: The angle between the first guide rail and the second guide rail is 180°.

7. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 3, characterized in that: A first arc-shaped groove is provided on the first disk, and the first arc-shaped groove is in communication with the flow cavity.

8. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 3, characterized in that: The second disk is provided with a second arc-shaped groove, which communicates with the flow cavity.

9. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 1, characterized in that: Oil baffles are provided on both sides of the first brake disc and the second brake disc.

10. The fluid-circulating magnetorheological brake with eccentric reinforcement effect according to claim 4, characterized in that: The input shaft cylinder, the right end cover, the outer cylinder, the left end cover, the camshaft, the first brake disc, the second brake disc, the first through disc, the second through disc, the first guide rail, the second guide rail, the first sliding guide block, the second sliding guide block, the first sliding cylinder, the second sliding cylinder, the winding sleeve, and the connecting sleeve are all made of magnetically conductive material, and the first magnetic shielding ring and the second magnetic shielding ring are made of magnetically shielding material.

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