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An overload protector and cage technology, applied in the field of machinery, can solve the problems of high manufacturing, maintenance and use costs, complex structure, and large assembly space.
Active Publication Date: 2018-12-11
江苏海迅铁路器材集团股份有限公司 +1
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Problems solved by technology
However, there are problems of relatively complex structure, large assembly space, and high manufacturing, maintenance and use costs.
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] 1. Structure:
[0014] The two-way torque overload protector consists of an outer ring (1), an inner ring (2), a roller (3), a cage (4), a baffle (5), a serpentine spring (6), a pad (7), a wave spring (8) and end cap (9) constitute.
[0015] An outer ring roller groove (10), an outer ring end cover groove (11) and an outer key groove (12) are arranged on the outer ring (1).
[0016] The inner ring (2) has a baffle groove (13), a baffle opening (14), an inner ring roller groove (15), a wave spring groove (16), an inner keyway (17) and an inner ring end cover groove (18 ).
[0017] There are roller holes (19) and baffle holes (20) on the cage.
[0018] Baffle plate (5) is made of baffle plate head (21) and baffle plate ear (22).
[0019] The main structure is composed of outer ring (1), inner ring (2), rollers (3) and cage (4); the outer ring (1) is located a...
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Abstract
The invention discloses a bi-directional torque overload protector which can realize bidirectional protection during shaft driving. The bi-directional torque overload protector consists of an outer ring, an inner ring, a roller, a retaining frame, a baffle, a serpentine spring, a pad, wave-shaped springs and an end cover, wherein an outer ring roller groove, an end cover groove and an outer key groove are formed in the outer ring; an baffle groove, a baffle opening, an inner ring roller groove, a wave-shaped roller groove, wave-shaped spring grooves, an inner key groove and an inner ring end cover groove are formed in the inner ring; a roller hole and a baffle hole are formed in the retaining frame; the baffle consists of a baffle head and baffle lugs; the outer ring is connected with a driven shaft; the inner ring is connected with a drive shaft; after the drive shaft is started, the inner ring starts to rotate and the outer ring is relatively static; the roller starts to roll and is close to the nearest wave-shaped spring; the outer surface of the wave-shaped spring protrudes out from the surface of the inner ring roller groove, so that the roller can be clamped between the outer ring and the wave-shaped spring, and the inner ring drives the outer ring to rotate synchronously to realize shaft drive; when the driven shaft is hampered or even blocked, the roller can run over the wave-shaped spring; at the moment, the retaining frame is blocked by the baffle, moreover, the roller is prevented from getting close to the next wave-shaped spring, so that the retaining frame cannot be clamped again and can rotate. Therefore, an overload protection effect is achieved.
Description
Technical field: [0001] The invention relates to a mechanical bidirectional torque overload protector, which belongs to the field of machinery. technical background: [0002] At present, the existing two-way overload protectors include ball type, friction type, hydraulic type, pneumatic type, electromagnetic type and so on. These protectors have their own strengths and have a wide range of applications. However, they all have the problems of relatively complex structure, large assembly space, and high manufacturing, maintenance and use costs. Therefore, the present invention provides a bidirectional torque overload protector with relatively simple structure, small volume, small assembly space, low manufacturing and use costs, and maintenance-free. Invention content: [0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the background technology and provide a mechanical bidirectional torque overload protector, which has a ...
Claims
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