The structure and design method of the load transmission guide groove on the main turntable of the electromagnetic torsion bar clutch
A technology of load transmission and guide groove, applied in the direction of magnetic drive clutch, clutch, non-mechanical drive clutch, etc., can solve the problems of affecting load transmission and steel ball guidance, steel ball stuck, collision and other problems
Active Publication Date: 2021-04-30
中德智研(上海)汽车检测技术有限公司
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Problems solved by technology
If the gap between the guide groove and the load-bearing steel ball is too small, it will easily cause the ball to be stuck, and if the gap is too large, it will easily cause collision. During the clutch engagement-disengagement process, it will affect the load transmission and the guidance of the steel ball
Method used
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Embodiment
[0036] Embodiment: A design method of the load transmission guide groove structure on the main turntable of the electromagnetic torsion bar clutch:
[0037] This example takes the guide groove of the main turntable of a certain type of electromagnetic torsion bar clutch of a new energy vehicle as an example. The maximum transmission torque is 300Nm, the diameter of the main turntable is 336mm, and the diameter of the bearing steel ball in the guide groove is 16.669mm. Slot structure design. Schematic diagram of the electromagnetic torsion bar clutch figure 1 As shown, 1 is the main turntable, 2 is the elastic torsion bar assembly, 3 is the main shaft, 4 is the clutch disc, and 5 is the guide groove.
[0038] (1) The structural design of the load transmission guide groove of the main turntable;
[0039] The structural form of the load transmission guide groove of the main turntable can be designed as a cylindrical guide groove and a prismatic guide groove; The load-bearing s...
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The invention relates to a structure and a design method for a load transmission guide groove on the main turntable of an electromagnetic torsion bar clutch. The guide groove has upper and lower vertex openings, the guide groove and the torsion bar groove are connected by a transition arc, and the guide groove is a cylindrical guide groove. Or prismatic guide groove; the cross section of the contact point between the bearing steel ball and the guide groove passing through the center of the bearing steel ball is the bearing cross section: the bearing section of the cylindrical guide groove is a circular bearing section; the bearing section of the prismatic guide groove is a diamond bearing section Or a square bearing section; a gap is reserved between the guide groove and the bearing steel ball; the design method includes: (1) the structural form design of the load transfer guide groove of the main turntable, (2) the bearing section size design of the load transfer guide groove, (3) Design of the opening width of the upper and lower corners of the guide groove, (4) Design of the transition arc of the load transfer guide groove. The guiding groove structure of the present invention can satisfy the functions of torque transmission and guiding at the same time.
Description
technical field [0001] The invention relates to a main turntable of an electromagnetic torsion bar clutch, in particular to a guide groove structure of the main turntable of an electromagnetic torsion bar clutch. Background technique [0002] Gearboxes in automobile power transmission systems usually require dual clutches to realize the flexible conversion function of the transmission ratio. The electromagnetically driven dual clutches involved in the present invention are simple in structure, high in efficiency, and low in impact and vibration, which can meet the requirements of the whole new energy vehicle. vehicle performance requirements. The magnitude of torque transmitted by the clutch is completely determined by the strength and stiffness characteristics of the elastic torsion bar, which not only can transmit high torque, but also can ensure the stability and uniformity of torque transmission. During the engagement-disengagement process of the electromagnetic torsion...
Claims
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IPC IPC(8): F16D27/14
CPCF16D27/14
Inventor 卢曦朱卓选石松
Owner 中德智研(上海)汽车检测技术有限公司