CN211975734U

CN211975734U - Brake wheel coupling

Info

Publication number: CN211975734U
Application number: CN202020676511.6U
Authority: CN
Inventors: 姚天富; 刘成忠; 哲江龙; 冯苗; 王变云; 周安宁
Original assignee: Ningxia Tiandi Benniu Yinqi Equipment Co ltd
Current assignee: Ningxia Tiandi Benniu Yinqi Equipment Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-20
Anticipated expiration: 2030-04-28

Abstract

The utility model belongs to the technical field of hoisting machinery, in particular to a brake wheel coupling, which comprises a brake wheel coupling, wherein the brake wheel coupling comprises a brake wheel, a spring washer, a first nut, a hinged hole bolt, a flange shaft, a key and a tooth type coupling, one side of the brake wheel is provided with the spring washer, the brake wheel coupling and a matched drum brake are adopted to replace the brake disc coupling and a matched disc brake, the braking mode belongs to bilateral braking, the brake wheel is subjected to two radial forces with opposite directions and can be counteracted, the shaft connected with the brake wheel is not subjected to the radial force and is only subjected to braking torque, the occurrence of the shaft breakage phenomenon is avoided, in an operating mechanism and a rotating mechanism of a crane, because the required system torque is small, the specifications of the brake and the brake wheel are small, the invention is more suitable for miniaturization, and avoids the adoption of a disc brake with larger specification and a brake disc coupling, the cost is reduced.

Description

Brake wheel coupling

Technical Field

The utility model belongs to the technical field of hoisting machinery, concretely relates to brake wheel shaft coupling.

Background

In each mechanism of the crane, a motor and a speed reducer are usually connected by adopting a brake disc coupling, when a disc brake with single-side braking is adopted, the brake disc is subjected to radial force besides braking torque, and under the long-term action of the radial force, especially when the shaft diameter of the mounted brake disc is smaller, a shaft breakage phenomenon can occur.

In the running mechanism and the rotating mechanism of the crane, because the required braking torque is small, the existing mechanical industry standard does not have a disc brake with smaller specification (such as the diameter of a brake disc is 160 and 200 mm), and only the disc brake can be matched with the disc brake with larger specification, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a brake wheel shaft coupling, this braking mode belong to bilateral braking, and the braked wheel receives two opposite direction's radial force, can offset each other, and the axle of connecting the braked wheel does not receive radial force, only receives braking torque, has avoided the emergence of disconnected axle phenomenon, in running gear and the rotary mechanism of hoist, because required system moment is little, stopper and braked wheel specification are less, and the invention is more suitable for the miniaturization, avoids adopting bigger specification's disc brake and brake disc shaft coupling, the cost is reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a brake wheel coupling, includes the brake wheel coupling, the brake wheel coupling includes braked wheel, spring washer, first nut, reamed hole bolt, flange axle, key, tooth coupling, one side of braked wheel is provided with spring washer, spring washer establishes fixedly through first nut and reamed hole bolt soon, the flange axle has been installed at one side middle part of braked wheel, the keyway has been installed to one side of flange axle, tooth coupling includes first ring gear, first outer ring gear, bolt, second nut, packing ring, screw, sealed pad, second ring gear, retaining ring, fender ring, hole circlip, frameless oil seal, spring coil, the outer ring gear of second, first outer ring gear and the outer ring gear of second all are equipped with hole and keyway, the key is installed in the keyway of flange axle and first outer ring gear.

Preferably, the first inner gear ring is meshed with the first outer gear ring, the second inner gear ring is meshed with the second outer gear ring, and the tooth widths of the two inner gear rings are larger than that of the outer gear ring.

Preferably, the first inner gear ring and the second inner gear ring are connected together through a bolt, a second nut and a washer; grease can be injected into the engaged inner and outer teeth from the screw hole after the screw and gasket are removed.

Preferably, the section of the retainer ring is L-shaped; after the frameless oil seal, the spring ring, the retaining ring and the elastic retainer ring for the hole are sequentially assembled according to the figure 2, the retaining ring can prevent the first outer gear ring and the second outer gear ring on the respective sides from excessively axially displacing towards the outside, and the retaining ring can limit the axial displacement of the frameless oil seal.

Preferably, the inner diameter of the frameless oil seal is slightly smaller than the outer diameter of the second outer gear ring; can produce a small amount of interference through the installation back, the contractile force of spring coil in addition produces certain radial enclasping power to no skeleton oil blanket, can better seal the harmful effects that external dust etc. got into to gear engagement.

Preferably, the brake wheel is connected with the flange shaft through a hinged hole bolt, a spring washer and a first nut, the spring washer and the first nut are arranged on the side of the flange plate, the bolt head of the hinged hole bolt is arranged in the brake wheel, and the space for accommodating the bolt head is matched with the short side of the hexagonal bolt head; the bolt head of the reaming bolt is arranged in the brake wheel, and the space for accommodating the bolt head is matched with the short side of the hexagonal bolt head, so that the reaming bolt does not rotate when the first nut is prevented from being screwed down.

Preferably, the flange shaft and the first outer gear ring are connected together through interference fit among the keys, the shaft and the holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a braked wheel shaft coupling and matching drum brake replace the disc brake that the brake disc shaft coupling matches rather than, and this braking mode belongs to bilateral braking, and the braked wheel receives two opposite direction's radial force, can offset each other, and the axle of connecting the braked wheel does not receive radial force, only receives brake torque, has avoided the emergence of disconnected axle phenomenon. In the running mechanism and the rotating mechanism of the crane, because the required system moment is small, and the specifications of the brake and the brake wheel are small, the invention is more suitable for miniaturization, avoids adopting a disc brake and a brake disc coupling with larger specifications, and reduces the cost.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a brake wheel coupling;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

in the figure: 1. a brake wheel; 2. a spring washer; 3. a first nut; 4. reaming a hole bolt; 5. a flange shaft; 6. a key; 7. a tooth coupling; 701. a first ring gear; 702. a first outer ring gear; 703. a bolt; 704. a second nut; 705. a gasket; 706. a screw; 707. a gasket; 708. a second ring gear; 709. a retainer ring; 710. a baffle ring; 711. a circlip for a hole; 712. a frameless oil seal; 713. a spring ring; 714. a second outer gear ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides the following technical solutions: a brake wheel coupling comprises a brake wheel coupling body, wherein the brake wheel coupling body comprises a brake wheel 1, a spring washer 2, a first nut 3, a reaming hole bolt 4, a flange shaft 5, a key 6 and a tooth coupling body 7, the spring washer 2 is arranged on one side of the brake wheel 1, the spring washer 2 is fixedly screwed with the reaming hole bolt 4 through the first nut 3, the flange shaft 5 is arranged in the middle of one side of the brake wheel 1, a key groove is arranged on one side of the flange shaft 5, the tooth coupling body 7 comprises a first inner gear ring 701, a first outer gear ring 702, a bolt 703, a second nut 704, a washer 705, a screw 706, a sealing gasket 707, a second inner gear ring 708, a retainer ring 709, a retainer ring 710, a hole elastic retainer ring 711, a frameless oil seal 712, a spring ring 713 and a second outer gear ring 714, the first outer gear ring 702 and the second outer gear ring 714 are both provided with holes and key grooves, the key 6 is mounted in the keyways of the flange shaft 5 and the first outer gear ring 702.

Specifically, the first inner gear ring 701 is engaged with the first outer gear ring 702, the second inner gear ring 708 is engaged with the second outer gear ring 714, and the tooth widths of the two inner gear rings are larger than that of the outer gear ring.

Specifically, the first ring gear 701 and the second ring gear 708 are connected together through a bolt 703, a second nut 704 and a washer 705; when the screw 706 and the seal 707 are removed, grease can be injected into the engaged inner and outer teeth through the screw hole.

Specifically, the cross section of the retainer ring 709 is L-shaped; after the frameless oil seal 712, the spring ring 713, the retainer ring 710, and the circlip for hole 711 are sequentially assembled as shown in fig. 2, the retainer ring 709 prevents the first outer ring gear 702 and the second outer ring gear 714 on the respective sides from excessively axially displacing outward, and the retainer ring 709 and the retainer ring 710 can limit the axial displacement of the frameless oil seal 712.

Specifically, the inner diameter of the frameless oil seal 712 is slightly smaller than the outer diameter of the second external gear ring 714; after the gear-free oil seal is installed, a small amount of interference can be generated, and in addition, the contraction force of the spring ring 713 generates certain radial holding force on the frameless oil seal 712, so that the harmful influence of entering of external dust and the like on gear engagement can be better sealed.

Specifically, the brake wheel 1 is connected with a flange shaft 5 through a hinged hole bolt 4, a spring washer 2 and a first nut 3, the spring washer 2 and the first nut 3 are arranged on the flange side, the bolt head of the hinged hole bolt 4 is arranged in the brake wheel, and the space for accommodating the bolt head is matched with the short side of the hexagonal bolt head; the bolt head of the reamed hole bolt 4 is arranged in the brake wheel, and the space for accommodating the bolt head is matched with the short side of the hexagonal bolt head, so that the reamed hole bolt 4 does not rotate when the first nut 3 is prevented from being screwed.

Specifically, the flange shaft 5 and the first external gear ring 702 are connected together through interference fit among the key 6, the shaft and the hole.

The working principle and the using process of the invention are as follows: when the brake wheel is used, the brake wheel coupling and the drum brake are matched to replace a brake disc coupling and a disc brake, the brake mode belongs to bilateral braking, the brake wheels are subjected to two radial forces in opposite directions and can be counteracted with each other, a shaft for mounting the brake wheels is not subjected to the radial force and is only subjected to braking torque, and the occurrence of a shaft breakage phenomenon is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake wheel coupling characterized by: the brake wheel coupling comprises a brake wheel coupling body, the brake wheel coupling body comprises a brake wheel (1), a spring washer (2), a first nut (3), a hinged hole bolt (4), a flange shaft (5), a key (6) and a tooth type coupling body (7), the spring washer (2) is arranged on one side of the brake wheel (1), the spring washer (2) is fixedly arranged on the hinged hole bolt (4) in a rotating mode through the first nut (3), the flange shaft (5) is installed in the middle of one side of the brake wheel (1), a key groove is installed on one side of the flange shaft (5), the tooth type coupling body (7) comprises a first inner gear ring (701), a first outer gear ring (702), a bolt (703), a second nut (704), a washer (706), a sealing pad (707), a second inner gear ring (708), a retainer ring (709), a retainer ring (710), an elastic retainer ring for hole (711), Frameless oil seal (712), spring ring (713), second outer ring gear (714), first outer ring gear (702) and second outer ring gear (714) all are equipped with hole and keyway, install key (6) in the keyway of flange axle (5) and first outer ring gear (702).

2. A brake wheel coupling according to claim 1, wherein: the first inner gear ring (701) is meshed with the first outer gear ring (702), the second inner gear ring (708) is meshed with the second outer gear ring (714), and the tooth widths of the two inner gear rings are larger than that of the outer gear ring.

3. A brake wheel coupling according to claim 1, wherein: the first inner gear ring (701) and the second inner gear ring (708) are connected together through a bolt (703), a second nut (704) and a washer (705).

4. A brake wheel coupling according to claim 1, wherein: the section of the retainer ring (709) is L-shaped.

5. A brake wheel coupling according to claim 1, wherein: the inner diameter of the frameless oil seal (712) is slightly smaller than the outer diameter of the installed second outer gear ring (714).

6. A brake wheel coupling according to claim 1, wherein: the brake wheel (1) is connected with the flange shaft (5) through a hinged hole bolt (4), a spring washer (2) and a first nut (3), the spring washer (2) and the first nut (3) are arranged on the flange plate side, the bolt head of the hinged hole bolt (4) is arranged in the brake wheel, and the space for accommodating the bolt head is matched with the short side of the hexagonal bolt head.

7. A brake wheel coupling according to claim 1, wherein: the flange shaft (5) and the first outer gear ring (702) are connected together through interference fit among the key (6) and the shaft and the hole.