CN218542988U

CN218542988U - U-shaped metal double-film-disc flexible coupling mechanism

Info

Publication number: CN218542988U
Application number: CN202320027938.7U
Authority: CN
Inventors: 黄青; 唐建; 白景辉
Original assignee: Shenyang Huake Tech And Trade Co ltd
Current assignee: Shenyang Huake Tech And Trade Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-02-28
Anticipated expiration: 2033-01-06

Abstract

The utility model belongs to the technical field of the metal film dish flexible coupling mechanism and specifically relates to a U type metal double-film dish flexible coupling mechanism, including middle sleeve, the structure at both ends is the same about middle sleeve, and every end all is equipped with U type metal double-film dish and reel, middle sleeve every end links to each other with U type metal double-film dish, reel of the same end in proper order through the bolt respectively, both ends the reel reaches with the drive end respectively and is connected by the drive end to the transmission moment of torsion. The utility model discloses compare with current single membrane dish structure, the two membrane dish structures of omega type, error correction ability is stronger, can absorb bigger axial displacement, angular displacement and synthesize the displacement, makes the holistic bending stiffness increase of flexible coupling.

Description

U-shaped metal double-film-disc flexible coupling mechanism

Technical Field

The utility model relates to a metal membrane dish flexible coupling mechanism, specifically speaking are two membrane dish flexible coupling mechanisms of U type metal.

Background

At present, a well-known metal film disc flexible coupling (hereinafter referred to as a film disc coupling) mechanism comprises a metal single film disc flexible coupling structure (shown in fig. 1) and an omega-shaped metal double film disc flexible coupling structure (shown in fig. 2), the metal single film disc flexible coupling structure comprises two overhanging flanges 1, two metal single film discs 2, two film disc protective covers 3 and a middle sleeve 4, the two ends of the middle sleeve 4 are identical in structure, each end is sequentially provided with the film disc protective cover 3, the metal single film disc 2 and the overhanging flange 1 from inside to outside, one side of the film disc protective cover 3 is connected with the middle sleeve 4, the metal single film disc 2 is clamped between the other side of the film disc protective cover 3 and the overhanging flange 1, the metal single film disc 2 and the film disc protective cover 3 are fixedly connected through bolts. The flexible coupling structure of the omega-shaped metal double-film disc comprises two inward extending flanges 7, two omega-shaped metal double-film discs 5, two film disc flanges 6 and a middle sleeve 4, wherein the structures of two ends of the middle sleeve 4 are the same, and each end of the middle sleeve is sequentially connected with the omega-shaped metal double-film disc 5, the film disc flanges 6 and the inward extending flanges 7. The metal film disc coupling generally uses a metal single film disc 2 or an omega-shaped metal double film disc 5 as an active transmission mechanism, and the main functions of the metal film disc coupling are reflected in the transmission of torque and can absorb axial, radial and angular errors and the like generated between shaft sections of mechanical equipment at two ends.

The existing metal film disc flexible coupling has errors in processing and assembling. In addition, the existing metal film disc flexible coupling cannot completely absorb the deviation generated on the shaft sections at the two ends of the mechanical equipment.

SUMMERY OF THE UTILITY MODEL

To current metal membrane dish flexible coupling under operating condition, the error of machine parts self processing and assembly to and connect great axial, radial and angular deviation that produces on mechanical equipment both ends shaft section, two kinds of deviations superpose together, the offset increase of production, current metal membrane dish flexible coupling can't absorb completely, leads to mechanical equipment can not keep good moving situation, the utility model aims to provide a two membrane dish flexible coupling mechanisms of U type metal.

The purpose of the utility model is realized through the following technical scheme:

the utility model discloses an intermediate sleeve, the structure at both ends is the same about intermediate sleeve, and every end all is equipped with U type metal double-film disk and reel, every end of intermediate sleeve links to each other with the U type metal double-film disk, the reel of homonymy in proper order through the bolt respectively, both ends the reel respectively with the drive end and by the drive end connection to the transmission moment of torsion.

Wherein: the outer side surface of the U-shaped metal double-film disc is a curved surface, and the inner side surface of the U-shaped metal double-film disc is a plane.

The U-shaped metal double-membrane disc is a metal double-membrane disc elastic body with a U-shaped axial section, which is formed by welding two metal single-membrane discs at the welding surface through electron beams.

The axial center lines of the middle sleeve, the shaft disc at each end and the U-shaped metal double-film disc in the initial state are collinear.

The utility model discloses an advantage does with positive effect:

1. the utility model discloses can compensate not enough and assembly error of size among the machine parts machining, make machinery under the not enough great circumstances of some extreme operating mode self, can also keep good operation, also can make precision machinery keep better operation condition, reduce vibration and noise, increase mechanical equipment life.

2. The utility model discloses at extreme operating mode and the limited condition in mechanical equipment space, make flexible coupling maximum outer diameter and middle telescopic length equidimension satisfy the space demand to satisfy the equipment performance parameter requirement, can keep the good operation of mechanical equipment.

3. The utility model discloses the input is the double-membrane dish of U type metal, and is high-power in the transmission, high-speed in, has the performance the same with foreign special application membrane dish shaft coupling, under operating condition, the error of machine parts self processing and assembly to and connect the great axial that produces on mechanical equipment both ends shaft section, radial and deviation such as angle, several kinds of deviations superpose together, the offset increase of production, under the unable complete absorption of ordinary flexible coupling, and the utility model discloses make flexible coupling error correction ability stronger, can absorb bigger axial displacement, angular displacement and synthesize the displacement, make the holistic bending stiffness increase of flexible coupling, be more applicable to the big application of axial distance.

Drawings

FIG. 1 is an axial cross-sectional structural view of a conventional metal single-diaphragm disc flexible coupling structure;

fig. 2 is an axial sectional structural view of a conventional omega-shaped metal double-diaphragm flexible coupling structure;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4A is a working state diagram of the U-shaped metal double-film disc of the present invention in a stretched state;

fig. 4B is a working state diagram of the U-shaped metal double-membrane disc of the present invention in a compressed state;

fig. 4C is a working state diagram of the U-shaped metal double-film disc of the present invention in the axial, radial and angular deviation states;

wherein: 1 is overhanging flange, 2 is the metal single membrane dish, 3 is the membrane dish safety cover, 4 is middle sleeve, 5 is omega type metal double-membrane dish, 6 is the membrane dish flange, 7 is the flange that stretches inwards, 8 is the reel, 9 is U type metal double-membrane dish.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 3, the utility model discloses an intermediate sleeve 4, the structure at both ends is the same about intermediate sleeve 4, every end all is equipped with U type metal double-film dish 9 and reel 8, every end of intermediate sleeve 4 links to each other with the U type metal double-film dish 9 of the same end, reel 8 through the bolt respectively in proper order, the lateral surface of U type metal double-film dish 9 is the curved surface, the medial surface is the plane, reel 8 at intermediate sleeve 4 both ends respectively with the drive end and by the drive end be connected to the transmission moment of torsion. The axial center lines of the intermediate sleeve 4, the shaft disc 8 at each end and the U-shaped metal double-film disc 9 in the initial state are collinear.

The U-shaped metal double-film disk 9 of this embodiment is a metal double-film disk elastic body with a U-shaped axial cross section, which is welded by electron beams at the welding surface by two metal single-film disks. The metal single-film disc of the embodiment is the prior art, and can adopt a 'transmission film disc' with the publication number of CN101788024A, which is published in 7 and 28 months 2010; the two metal single-film discs adopt a back-to-back (namely, the curved surface is on the outer side) connecting structure.

The utility model discloses a two membrane dish flexible coupling mechanisms of U type metal belongs to one kind of flexible coupling, nevertheless is different from current flexible coupling in the performance. Because the utility model discloses an input is the two membrane dish elastomer structure of U type metal, when the transmission is high-power, high-speed, it is compared in the two membrane dish flexible coupling structures of current metal list membrane dish flexible coupling structure, omega type metal, the utility model discloses make flexible coupling error correction ability stronger, can absorb bigger axial displacement, angular displacement and synthesize the displacement, make the holistic bending stiffness increase of flexible coupling.

The utility model discloses a theory of operation does:

as shown in fig. 4A-4C, the utility model discloses under extreme operating mode and the limited condition in mechanical equipment room space, the limited needs in space can also be satisfied under the prerequisite that satisfies mechanical equipment operating mode parameter to the two membrane dishes of U type metal. When mechanical equipment transmits large torque and high rotating speed, due to machining size and assembly errors generated by mechanical parts, axial, radial and angular deviations generated when the mechanical equipment runs after shaft sections at two ends of the mechanical equipment are assembled, comprehensive offset formed by superposing a plurality of deviations is increased, and the flexible coupling cannot be completely absorbed.

The utility model discloses can be applied to turbine trade, high-accuracy lathe, pump and require low rotational speed or high rotational speed, high moment of torsion, high quality mechanical transmission field.

Claims

1. The utility model provides a flexible coupling mechanism of two membrane dishes of U type metal, includes middle sleeve, its characterized in that: the structure at both ends is the same about middle sleeve (4), and every end all is equipped with U type metal double membrane dish (9) and reel (8), every end of middle sleeve (4) links to each other with U type metal double membrane dish (9), reel (8) of holding in proper order through the bolt respectively, both ends reel (8) are connected with the drive end and driven end respectively to the transmission moment of torsion.

2. A U-shaped metal dual-diaphragm flexible coupling mechanism according to claim 1, wherein: the outer side surface of the U-shaped metal double-film disc (9) is a curved surface, and the inner side surface is a plane.

3. A U-shaped metal dual-diaphragm flexible coupling mechanism according to claim 1, wherein: the U-shaped metal double-film disc (9) is a metal double-film disc elastic body with a U-shaped axial section, which is formed by welding two metal single-film discs at the welding surface through electron beams.

4. A U-shaped metal dual-diaphragm flexible coupling mechanism according to claim 1, wherein: the axial center lines of the middle sleeve (4), the shaft disc (8) at each end and the U-shaped metal double-film disc (9) in the initial state are collinear.