CN102410315A

CN102410315A - Non-contact reversion brake

Info

Publication number: CN102410315A
Application number: CN2011102398700A
Authority: CN
Inventors: 王振良
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-22
Filing date: 2011-08-22
Publication date: 2012-04-11
Anticipated expiration: 2031-08-22
Also published as: CN102410315B

Abstract

The invention discloses a non-contact reversion brake. The non-contact reversion brake comprises an upper cover, a ball bearing, an assistant inner ring, a trapezoidal brake block, a main inner ring, an outer ring, a lower cover, balls and a tension spring, wherein the assistant inner ring is concentrically sleeved on the main inner ring; the assistant inner ring and the main inner ring are tightly fixed by an inner ring bolt and an outer ring bolt; the outer ring is clamped by the assistant inner ring and the main inner ring through the ball bearing and is concentrically and dynamically connected to the outer edges of the assistant inner ring and the main inner ring; the upper cover and the lower cover are clamped by the ball bearing, rotatably connected to the outer edges of the assistant inner ring and the main inner ring, and concentrically tightened to the outer ring through cover bolts; the trapezoidal brake block is arranged in a cavity between the assistant inner ring and the main inner ring and the outer ring; and one side of the inner end of the trapezoidal brake block is in joint-type moveable connection with the main inner ring. Compared with the prior art, the non-contact reversion brake has the characteristics of precise positioning, flexible rotation, smooth disengagement, reliable reversion stop, small radial size, large bearing force, long maintenance-free period, no running abrasion and the like, can replace the conventional reversion brake and one-way bearing in application and has good effect.

Description

Contactless plugging device

Technical field

The present invention relates to the mechanical braking technical field, be specifically related to a kind of novel contactless plugging device.

Background technique

Existing plugging device is the structure of ratchet-type or roller type normally; The ratchet of ratchet-type rubs with ratchet in the running mutually; When high speed, very easily wear and tear especially, the roller of roller type is the brake component that places between the inside and outside circle, and its operating turnover and high speed autobiography are the congenital drawbacks of its wear out failure; And the existing contactless plugging device that constitutes by voussoir; Because its eccentric voussoir is not taked effectively accurately location, so rate of fault is high, and the stuck and mechanical accident that can not free of voussoir takes place very easily.

Summary of the invention

The object of the invention is exactly the defective that exists to existing technology, and a kind of contactless plugging device is provided.

Its technological scheme is: comprise loam cake 2, ball bearing 3, auxilliary inner ring 4, trapezoidal brake slipper 9, main inner ring 10, outer ring 14, lower cover 5, ball 12 and tension spring 13; It is characterized in that: said auxilliary inner ring 4 concentric locking collars are contained on the main inner ring 10; Tighten together by Internal and external cycle bolt 6; Outer ring 14 with one heart, is dynamically linked to each other in the outer edge by auxilliary inner ring 4,10 clampings of main inner ring through ball bearing 3; Loam cake 2, lower cover 5 are rotatably connected on the outer edge of assisting inner ring 4 and main inner ring 10 through ball bearing 3 clampings, and are fastened on one heart on the outer ring 14 through lid bolt 1; Said trapezoidal brake slipper 9 is seated in the cavity between auxilliary inner ring 4, main inner ring 10 and the outer ring 14, and trapezoidal brake slipper 9 inner sides are connected for articulation with main inner ring 10.

Wherein, said main inner ring 10 is provided with the circular ring of inside and outside two-stage step above being, the interior circular hole 11 of this circular ring is provided with the solid keyway 8 of device, and the vertical face of step is provided with recess outside its top, and the outer, bottom is provided with annular groove.Said auxilliary inner ring 4 is provided with the circular ring of annular groove for the outer, top.Said outer ring 14 is provided with inner convex platform, and locate with auxilliary inner ring 4, main inner ring 10 through ball bearing 3 mutually on these inner convex platform both sides.Said loam cake 2, lower cover 5 are installed in the annular groove of auxilliary inner ring 4, are fixed with outer ring 14 by lid bolt 1.Said trapezoidal brake slipper 9 is provided with spring eye 15 on the shoulder in contacted with main inner ring 10, tension spring 13 is installed in it.One end of said tension spring 13 is packed in the spring eye 15 on the trapezoidal brake slipper 9, and the other end withstands on to crouch and is contained on the ball 12 on the main inner ring 10.Said auxilliary inner ring 4, main inner ring 10 are fastening by 4 Internal and external cycle bolts 6.Said lower cover 15 is fastened on the outer rim end of outer ring 14 with one heart by 4 lid bolts 1.The circumference of said auxilliary inner ring 4, main inner ring 10 is provided with the solid screw 7 of 2-10 devices of mutual perforation.

The present invention is made up of inside and outside circle and trapezoidal brake component, and trapezoidal brake slipper and inner ring adopt " joint " formula linkage structure, its compared with prior art, the beneficial effect that has is: the location is accurately; Rotation is freed and is not blocked flexibly, and check is reliable; Radial dimension is little, and bearing capacity is big, is excused from a college course cycle length, has realized not having the abrasion operation; Existing plugging device of instead and unilateral bearing in the application, respond well, its market prospects are wide.

Description of drawings

Fig. 1 is the profile schematic representation of an embodiment of the present invention

Fig. 2 is that A-A of Fig. 1 is to cross-sectional view.

Embodiment

See figures.1.and.2, a kind of contactless plugging device comprises loam cake 2, ball bearing 3, auxilliary inner ring 4, trapezoidal brake slipper 9, main inner ring 10, outer ring 14, lower cover 5, ball 12 and tension spring 13.Said auxilliary inner ring 4 concentric locking collars are contained on the main inner ring 10; Tighten together by Internal and external cycle bolt 6 and main inner ring 10; Outer ring 14 with one heart, is dynamically linked to each other in the outer edge by auxilliary inner ring 4,10 clampings of main inner ring through ball bearing 3; Loam cake 2, lower cover 5 are rotatably connected on the outer edge of assisting inner ring 4 and main inner ring 10 through ball bearing 3 clampings, and are fastened on one heart on the outer ring 14 through lid bolt 1; Trapezoidal brake slipper 9 is seated in the cavity between auxilliary inner ring 4, main inner ring 10 and the outer ring 14, and trapezoidal brake slipper 9 inner sides are connected for articulation with main inner ring 10.Main inner ring 10 is provided with the circular ring of inside and outside two-stage step above being, the interior circular hole 11 of this circular ring is provided with the solid keyway 8 of device, and the vertical face of step is provided with recess outside its top, and the outer, bottom is provided with annular groove.Auxilliary inner ring 4 is provided with the circular ring of annular groove for the outer, top.Outer ring 14 is provided with inner convex platform, and locate with auxilliary inner ring 4, main inner ring 10 through ball bearing 3 mutually on these inner convex platform both sides.Said loam cake 2, lower cover 5 are installed in the annular groove of auxilliary inner ring 4, are fixed with outer ring 14 by lid bolt 1.Trapezoidal brake slipper 9 is provided with spring eye 15 on the shoulder in contacted with main inner ring 10, tension spring 13 is installed in it.One end of said tension spring 13 is packed in the spring eye 15 on the trapezoidal brake slipper 9, and the other end withstands on to crouch and is contained on the ball 12 on the main inner ring 10.Auxilliary inner ring 4, main inner ring 10 are fastening by 4 Internal and external cycle bolts 6.Said lower cover 5 is fastened on the outer rim end of outer ring 14 with one heart by 4 lid bolts 1.The circumference of auxilliary inner ring 4, main inner ring 10 is provided with the solid screw 7 (being expressed as 4 among the figure) of 2-10 devices of mutual perforation, is used for connecting the controlled parts of machinery.

Working principle: referring to accompanying drawing 1-Fig. 2; Outer ring 14 is fixing (with thick arrow signals) of not changeing, and when main inner ring 10 is rotated counterclockwise (the curved arrow signal of dotted line), trapezoidal brake slipper 9 is under rotatory inertia and action of centrifugal force; Overcome the tension of tension spring 13; Clockwise rotate (the curved arrow signal of dotted line) around its " joint ", the outer rim of the trapezoidal brake slipper 9 of this moment breaks away from the inner peripheral surface of outer ring 14, and main inner ring 10 is rotated counterclockwise unimpededly.When main inner ring 10 turns clockwise (the curved arrow signal of solid line); Trapezoidal brake slipper 9 is under the effect of rotatory inertia and centrifugal force and tension spring 13 tensions; Rotate counterclockwise (the curved arrow signal of solid line) around its " joint "; The trapezoidal brake slipper 9 of this moment is under the effect of tension spring 13, and its outer rim is pushed up on 14 inner peripheral surfaces of outer ring, makes 10 brakings of main inner ring and stops to turn clockwise.When main inner ring 10 was rotated counterclockwise again, trapezoidal brake slipper 9 clockwise rotated around its " joint ", and its outer rim breaks away from the inner peripheral surface of outer ring 14, and main inner ring 10 is freed and is rotated counterclockwise unimpededly, so goes round and begins again.

Claims

1. contactless plugging device; Comprise loam cake (2), ball bearing (3), auxilliary inner ring (4), trapezoidal brake slipper (9), main inner ring (10), outer ring (14), lower cover (5), ball (12) and tension spring (13); It is characterized in that: said auxilliary inner ring (4) concentric locking collar is contained on the main inner ring (10); Tighten together by Internal and external cycle bolt (6); Outer ring (14) is assisted inner ring (4), (10) clamping of main inner ring through ball bearing (3) and with one heart, is dynamically linked to each other in the outer edge; Loam cake (2), lower cover (5) are rotatably connected on the outer edge of auxilliary inner ring (4) and main inner ring (10) through ball bearing (3) clamping, and are fastened on one heart on the outer ring (14) through lid bolt (1); Said trapezoidal brake slipper (9) is seated in the cavity between auxilliary inner ring (4), main inner ring (10) and outer ring (14), and the inner side of trapezoidal brake slipper (9) is connected for articulation with main inner ring (10).

2. contactless plugging device according to claim 1; It is characterized in that: said main inner ring (10) is provided with the circular ring of inside and outside two-stage step above being; The interior circular hole (11) of this circular ring is provided with the solid keyway (8) of device; The vertical face of step is provided with recess outside its top, and the outer, bottom is provided with annular groove.

3. contactless plugging device according to claim 1 is characterized in that: said auxilliary inner ring (4) is provided with the circular ring of annular groove for the outer, top.

4. contactless plugging device according to claim 1 is characterized in that: said outer ring (14) are provided with inner convex platform, and locate with auxilliary inner ring (4), main inner ring (10) through ball bearing (3) mutually on these inner convex platform both sides.

5. according to claim 1 or 3 described contactless plugging devices, it is characterized in that: said loam cake (2), lower cover (5) are installed in the annular groove of auxilliary inner ring (4), are fixed by lid bolt (1) and outer ring (14).

6. contactless plugging device according to claim 1 is characterized in that: said trapezoidal brake slipper (9) is provided with spring eye (15) in contacted with main inner ring (10), takeing on, and tension spring (13) is installed in it.

7. contactless plugging device according to claim 6; It is characterized in that: an end of said tension spring (13) is packed in the spring eye (15) on the trapezoidal brake slipper (9), and the other end withstands on to crouch and is contained on the ball (12) on the main inner ring (10).

8. contactless plugging device according to claim 1 is characterized in that: said auxilliary inner ring (4), main inner ring (10) are fastening by 4 Internal and external cycle bolts (6).

9. contactless plugging device according to claim 1 is characterized in that: said lower cover (5) is fastened on the outer rim end of outer ring (14) with one heart by 4 lid bolts (1).

10. contactless plugging device according to claim 1 is characterized in that: the circumference of said auxilliary inner ring (4), main inner ring (10) is provided with the solid screw (7) of 2-10 devices of mutual perforation.