A Mobile Platform Based on Air Cushion and Mecanum Wheel
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A mobile platform, air cushion technology, applied in the direction of motor vehicles, transportation and packaging, can solve the problems of increased wheels, wear, easy wear, etc., to achieve the effects of reduced wear, stable and reliable fixation, and small steering space
Active Publication Date: 2015-08-12
NORTHWESTERN POLYTECHNICAL UNIV
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[0003] However, the disadvantages of the Mecanum wheel are also obvious. Due to the existence of small rollers on the edge, the Mecanum wheel has a weak load-bearing capacity and is easy to wear
For the Mecanum wheel mobile platform that requires a large load-bearing capacity, the general solution is to increase the number of wheels. This method can solve the problem of bearing capacity but the problem of wear still exists
Thus affecting the service life of the Mecanum wheel mobile platform
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[0017] The present invention will be described below in conjunction with specific embodiments:
[0018] Reference attached figure 1 In this embodiment, the mobile platform based on air cushion and McCannham wheels is composed of a frame 1, an air cushion unit 2, an air spring 3, a swing arm suspension 4, a McCannham wheel 5 and an electromagnet 6. The overall structure is symmetrical from front to back and from left to right. Reference attached image 3 The frame is divided into a front frame 7, a middle frame 8 and a rear frame 9. The upper part of the front frame, the middle frame and the rear frame are connected by an upper supporting plate 10.
[0019] There are four air cushion units 2, which are fixedly connected to the frame, and are respectively installed on the two sides of the bottom of the front frame and the rear frame of the frame. The electromagnet 6 is evenly installed on the bottom of the middle frame.
[0020] A set of swing arm type suspensions are respectively in...
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Abstract
The invention provide a moving platform based on air cushions and Mecanum wheels, which is composed of a frame, air cushion units, air springs, swing arm type hanger brackets, the Mecanum wheels, and electromagnets, wherein the swing arm type hanger brackets are composed by connecting flanges with swing arms, upper hinges, lower hinges, axles, spring shock absorbers, motors, reductors, and hubs; in the process of moving, the entire moving platform and the load weight of the moving platform are born by the air cushion units, and the Mecanum wheels are only used for driving, and not for bearing load mainly. Therefore, not only the advantages of omnibearing moving and small turning space of the Mecanum wheel can be played, but also the abrasion of the Mecanum wheel can be reduced; the moving platform can suck through the electromagnets at the bottom and steel plates pre-set on the ground after being moved to an assigned position, as a result, the entire platform is fixed, stable, and reliable.
Description
Technical field [0001] The invention relates to the application field of omnidirectional wheels, in particular to a mobile platform based on air cushions and McCannham wheels. Background technique [0002] The Mackanham wheel is a omnidirectional four-wheel movement mechanism. This kind of wheel is composed of two parts, namely, a driving hub and a plurality of driven rollers evenly distributed along the outer edge of the hub in a certain direction. When the wheel rotates, the speed of the wheel center relative to the ground is the combination of the wheel hub speed and the roller rolling speed, and there is a deviation angle between the two angles. Since each wheel has this feature, the omni-directional movement and in-situ steering movement of the car body can be realized after proper combination. Due to the advantages of omni-directional movement and small steering space, the mobile platform of the McCannham wheel has been widely used in warehouses, factories and other occas...
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