CN213360890U

CN213360890U - Flexible connection coupling

Info

Publication number: CN213360890U
Application number: CN202022074082.8U
Authority: CN
Inventors: 曹冬冬
Original assignee: Guangxi Shuangteng Conveying Machinery Equipment Co ltd
Current assignee: Guangxi Shuangteng Conveying Machinery Equipment Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-04
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a flexible coupling shaft coupling relates to shaft coupling technical field. This shaft coupling includes first disk body, second disk body and buffer layer, first disk body and second disk body parallel arrangement, the buffer layer is located between first disk body and the second disk body, and its both ends face respectively with first disk body, second disk body fixed connection, the buffer layer includes two hard layers and a soft layer, the soft layer is located two between the hard layer. A plurality of connecting holes are uniformly formed in the outer edges of the first tray body, the buffer layer and the second tray body along the circumference, and the first connecting piece penetrates through the connecting holes to fixedly connect the first tray body, the buffer layer and the second tray body. The coupler is simple in structure, the buffer layer with a special structure and materials is connected with the first disc body and the second disc body, good vibration reduction buffering and large axis offset compensation performance are achieved, and heat generated by movement and deformation can be automatically dissipated through rotation.

Description

Flexible connection coupling

Technical Field

The utility model relates to a shaft coupling technical field specifically is a flexible coupling shaft coupling.

Background

The coupling is a mechanical part for coupling two shafts (a driving shaft and a driven shaft) of different mechanisms to rotate together to transmit torque. The coupling is widely applied to various general machines. In the high-speed heavy-load power transmission, some couplings also have the functions of buffering and damping and improving the dynamic performance of a shaft system. The coupling usually consists of two halves, which are respectively connected with a driving shaft and a driven shaft, and the power machine is generally connected with a working machine by means of the coupling.

However, the impact force of the coupling in the high-speed rotation process is high, and the two coupling halves are in rigid contact, so that the phenomena of collision and heat generation are easy to occur, the use of the coupling is influenced, and the service life of the coupling is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible coupling shaft coupling to solve the shaft coupling because of damaging and the short problem of life that arouses that generates heat.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a flexible coupling, includes first disk body, second disk body and buffer layer, first disk body and second disk body parallel arrangement, the buffer layer is located between first disk body and the second disk body, and its both ends face respectively with first disk body, second disk body fixed connection, the buffer layer includes two hard layers and a soft layer, the soft layer is located two between the hard layer.

Furthermore, a plurality of connecting holes are uniformly formed in the outer edges of the first tray body, the buffer layer and the second tray body along the circumference, and the first connecting piece penetrates through the connecting holes to fixedly connect the first tray body, the buffer layer and the second tray body.

Further, a plurality of gaps are evenly formed in the outer edges of the first tray body and the second tray body along the circumference, a plurality of connecting holes are evenly formed in the outer edges of the first tray body, the buffer layer and the second tray body along the circumference, the second connecting piece penetrates through the connecting holes to fixedly connect the first tray body and the buffer layer, the third connecting piece penetrates through the connecting holes to fixedly connect the second tray body and the buffer layer, and the first tray body and the second tray body are staggered mutually.

Furthermore, the buffer layer is a plurality of independent U-shaped sheet structures, and two end parts of the buffer layer are respectively connected with the first tray body and the second tray body through a fourth connecting piece.

Furthermore, a plurality of gaps are uniformly formed in the outer edges of the first tray body and the second tray body along the circumference, a plurality of connecting holes are uniformly formed in the outer edges of the first tray body, the buffer layer and the second tray body along the circumference, and a fourth connecting piece penetrates through the connecting holes to respectively fixedly connect the first tray body with the buffer layer and the second tray body with the buffer layer.

Furthermore, an annular spring is arranged in the middle of the buffer layer, and the annular spring is sleeved on the fourth connecting piece.

Preferably, the hard layer is made of neoprene, and the soft layer is made of silicone rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a soft shaft coupling that connects, simple structure utilizes the buffer layer that has special construction and material, is connected with first disk body and second disk body, has good damping buffering and great axis skew compensation performance, and motion and deformation produced heat can give off through the rotation automatically. Meanwhile, the number of parts is small, the assembly and disassembly are convenient, the maintenance is easy, the universal interchangeability is good, the cost is reduced, and the method can be applied to the industries of mines, metallurgy, ships, textiles and the like.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 5 is a schematic view of the connection of the ring spring and the fourth link.

In the figure: 10. a first tray body; 20. a second tray body; 30. a buffer layer; 31. a hard layer; 32. a soft layer; 40. connecting holes; 50. a notch; 60. an annular spring; 91. a first connecting member; 92. a second connecting member; 93. a third connecting member; 94. and a fourth connecting piece.

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

As shown in fig. 1, the flexible coupling of the present invention comprises a first disc body 10, a second disc body 20 and a buffer layer 30, wherein the first disc body 10 and the second disc body 20 are arranged in parallel, the buffer layer 30 is located between the first disc body 10 and the second disc body 20, and both end surfaces thereof are respectively fixedly connected to the first disc body 10 and the second disc body 20.

In this embodiment, the first tray body 10 and the second tray body 20 are similar to the two half-coupling structures of the common coupling, and are provided with keyways connected to the driving shaft and the driven shaft, which are not described herein again.

The outer edges of the first tray body 10 and the second tray body 20 are uniformly provided with a plurality of gaps 50 along the circumference, the outer edges of the first tray body 10, the buffer layer 30 and the second tray body 20 are uniformly provided with four connecting holes 40 along the circumference, and the first connecting piece 91 penetrates through the connecting holes 40 to fixedly connect the first tray body 10, the buffer layer 30 and the second tray body 20. In actual production, the number of the connecting holes 40 can be flexibly selected according to the sizes of the first tray body 10 and the second tray body 20. In general, the number of the connection holes 40 is 3 to 6.

Referring to fig. 1, the buffer layer 30 includes two hard layers 31 and a soft layer 32, and the soft layer is located between the two hard layers 31. In practical production, the thickness of the cushioning layer 30 can be flexibly selected according to the sizes of the first tray 10 and the second tray 20. In the present embodiment, the hard layer 31 is made of neoprene, and the soft layer 32 is made of silicone rubber.

Chloroprene rubber is synthetic rubber produced by alpha-polymerization of chloroprene (namely 2-chloro-1, 3-butadiene) serving as a main raw material, and chrysanthemum has good physical and mechanical properties, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance, chemical reagent resistance, high tensile strength, high elongation, reversible crystallinity and good adhesion. Silicone rubber refers to rubber having a backbone composed of alternating silicon and oxygen atoms, with the silicon atoms typically having two organic groups attached to them. Silicone rubber consists mainly of siloxane segments containing methyl groups and small amounts of vinyl groups. The introduction of phenyl can improve the high and low temperature resistance of the silicone rubber, and the introduction of trifluoropropyl and cyano can improve the temperature resistance and oil resistance of the silicone rubber. After the neoprene and the silicon rubber are adopted, the buffering and compensating functions of the buffering layer 30 are obviously enhanced.

Example 2

As shown in fig. 2, a plurality of notches 50 are uniformly formed in the outer edges of the first tray body 10 and the second tray body 20 along the circumference, a plurality of connecting holes 40 are uniformly formed in the outer edges of the first tray body 10, the buffer layer 30 and the second tray body 20 along the circumference, the second connecting member 92 penetrates through the connecting holes 40 to fixedly connect the first tray body 10 and the buffer layer 30, the third connecting member 93 penetrates through the connecting holes 40 to fixedly connect the second tray body 20 and the buffer layer 30, and the first tray body 10 and the second tray body 20 are staggered. In actual production, the number of the notches 50 and the connecting holes 40 can be flexibly selected according to the sizes of the first tray body 10 and the second tray body 20. In general, the number of the notches 50 and the number of the connecting holes 40 are 3 to 6.

In this embodiment, since the plurality of notches 50 are formed, and the first tray 10, the second tray 20 and the buffer layer 30 are staggered, the vibration damping and buffering capabilities of the coupler are enhanced, and the coupler also has a considerable heat dissipation capability.

Example 3

As shown in fig. 3, in order to further improve the buffering performance and enhance the heat dissipation capability, similar to embodiment 1, the outer edges of the first tray 10 and the second tray 20 are not provided with the plurality of notches 50, but the buffering layer 30 is adjusted to have a plurality of independent U-shaped sheet structures, and two end portions of the buffering layer are respectively connected to the first tray 10 and the second tray 20 through the fourth connecting member 94.

Meanwhile, as shown in fig. 5, an annular spring 60 is disposed at the middle of the buffer layer 30, and the annular spring 60 is sleeved on the fourth connecting member 94. The ring spring 60 is a spring formed by alternately stacking a plurality of washer-shaped spring steels having an inner cylindrical surface and an outer cylindrical surface. The number of pairs of inner and outer rings of the annular spring 60 is determined by the amount of load it is subjected to and the requirements for deformation. The ring spring 60 is a strong spring having a large buffering and shock absorbing capacity.

Example 4

As shown in fig. 4, similar to embodiment 3, however, a plurality of notches 50 are uniformly formed along the circumference of the outer edges of the first tray body 10 and the second tray body 20, a plurality of connection holes 40 are uniformly formed along the circumference of the outer edges of the first tray body 10, the buffer layer 30 and the second tray body 20, and a fourth connection member 94 penetrates through the connection holes 40 to fixedly connect the first tray body 10 and the buffer layer 30, and the second tray body 20 and the buffer layer 30, respectively. Meanwhile, the middle of the buffer layer 30 is provided with an annular spring 60, and the annular spring 60 is sleeved on the fourth connecting piece 94.

It should be noted that in the above embodiments 1-4, the first connecting member 91, the second connecting member 92, the third connecting member 93 and the fourth connecting member 94 are similar in structure and all function as connecting members, and may be a combination of common fasteners, such as a bolt, a nut and a gasket, or a combination of a positioning pin, a cotter pin, and the like. In short, the function of the fixed connection is satisfied.

The utility model discloses a flexible coupling, simple structure utilizes the buffer layer 30 that has special construction and material, is connected with first disk body 10 and second disk body 20, has good damping buffering and great axis skew compensation performance, and motion and the produced heat of deformation can distribute automatically through the rotation. Meanwhile, the number of parts is small, the assembly and disassembly are convenient, the maintenance is easy, the universal interchangeability is good, the cost is reduced, and the popularization is worth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible coupling shaft coupling, its characterized in that includes first disk body (10), second disk body (20) and buffer layer (30), first disk body (10) and second disk body (20) parallel arrangement, buffer layer (30) are located between first disk body (10) and second disk body (20), and its both ends face respectively with first disk body (10), second disk body (20) fixed connection, buffer layer (30) include two hard layers (31) and a soft layer (32), soft layer (32) are located two between hard layer (31).

2. The flexible connection coupling as claimed in claim 1, wherein a plurality of connection holes (40) are uniformly formed in the outer edges of the first disc body (10), the buffer layer (30) and the second disc body (20) along the circumference, and a first connection piece (91) penetrates through the connection holes (40) to fixedly connect the first disc body (10), the buffer layer (30) and the second disc body (20).

3. The flexible connection coupling of claim 1, characterized in that a plurality of gaps (50) are uniformly formed in the outer edges of the first disc body (10) and the second disc body (20) along the circumference, a plurality of connecting holes (40) are uniformly formed in the outer edges of the first disc body (10), the buffer layer (30) and the second disc body (20) along the circumference, a second connecting piece (92) penetrates through the connecting holes (40) to fixedly connect the first disc body (10) and the buffer layer (30), a third connecting piece (93) penetrates through the connecting holes (40) to fixedly connect the second disc body (20) and the buffer layer (30), and the first disc body (10) and the second disc body (20) are staggered with each other.

4. The flexible connection coupling according to claim 1, wherein the buffer layer (30) is a plurality of independent U-shaped sheet structures, and two ends of the buffer layer are respectively connected with the first disc body (10) and the second disc body (20) through a fourth connecting member (94).

5. The flexible connection coupling of claim 4, characterized in that a plurality of gaps (50) are uniformly formed in the outer edges of the first disc body (10) and the second disc body (20) along the circumference, a plurality of connection holes (40) are uniformly formed in the outer edges of the first disc body (10), the buffer layer (30) and the second disc body (20) along the circumference, and a fourth connection member (94) penetrates through the connection holes (40) to fixedly connect the first disc body (10) and the buffer layer (30) and the second disc body (20) and the buffer layer (30) respectively.

6. The flexible coupling according to claim 5, characterized in that the middle of the buffer layer (30) is provided with a ring spring (60), and the ring spring (60) is sleeved on the fourth connecting member (94).

7. A flexible-link coupling according to any one of claims 2 to 6, characterized in that the stiff layer (31) is made of neoprene rubber and the soft layer (32) is made of silastic rubber.