CN215567458U

CN215567458U - Heavy flexible diaphragm coupling

Info

Publication number: CN215567458U
Application number: CN202121405779.7U
Authority: CN
Inventors: 蒲春阳
Original assignee: Sichuan Sunnyglory Technology Developing Co ltd
Current assignee: Sichuan Sunnyglory Technology Developing Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-18
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a heavy flexible diaphragm coupling which comprises a driving shaft, a middle section, a driven shaft, an adapter disc and a diaphragm set, wherein the driving shaft is connected with the driven shaft through the hollow middle section, the adapter disc is arranged at two ends of the middle section, a boss is processed at one end of the adapter disc, the diaphragm set is sleeved outside the boss, a lining is processed on the adapter disc, the lining, the diaphragm set and a connecting convex edge are fixedly connected through bolts, a connecting ring is processed on the outer wall of one end of the adapter disc, the adapter disc is connected with the corresponding driving shaft or driven shaft through the connecting ring, and the diaphragm set is formed by riveting a plurality of sequentially overlapped diaphragm rings. The adapter discs are arranged at the two ends of the middle section, and the diaphragm group is arranged between the adapter discs and the middle section, so that the coupler has the function of axial flexibility, and the lining, the diaphragm group and the connecting convex edge are fixedly connected through the bolt, so that the diaphragm group has the function of angular flexibility to deal with the impact force when heavy equipment is started and stopped, and the safety of the driven equipment is effectively ensured.

Description

Heavy flexible diaphragm coupling

Technical Field

The utility model relates to the field of diaphragm couplings, in particular to a heavy flexible diaphragm coupling.

Background

When heavy equipment is driven, in order to ensure stable transmission of power, driving equipment and driven equipment are generally connected through a coupler, but the existing coupler does not have flexibility during transmission, so that the impact force of the existing coupler on the driven equipment is large when the coupler is started or stopped, and the driven equipment is damaged after long-time operation, so that the coupler suitable for the heavy equipment is needed.

Disclosure of Invention

The utility model aims to provide a heavy flexible diaphragm coupling which can provide enough flexibility when heavy equipment is driven, and the operation safety of the heavy equipment is ensured.

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

a heavy flexible diaphragm coupling comprises a driving shaft, a middle joint, a driven shaft, an adapter plate and a diaphragm group, wherein the driving shaft is connected with the driven shaft through the hollow middle joint, the diameter of the middle joint is smaller than that of the driven shaft and the driven shaft, connecting convex edges are processed at two ends of the middle joint, the adapter plate is arranged on the outer sides of the connecting convex edges at two ends of the middle joint, a boss extending into the middle joint is processed at one end of the adapter plate close to the middle joint, a diaphragm group is sleeved on the outer side of the boss, a mounting hole is processed on the diaphragm group, a through hole aligned with the mounting hole is processed on the adapter plate, a bush in clearance fit is sleeved in the through hole, the bush, the diaphragm group and the connecting convex edges are fixedly connected through bolts, a connecting ring is processed on the outer wall of the adapter plate far away from one end of the middle joint, and the adapter plate is connected with the corresponding driving shaft or the driven shaft through the connecting ring, the diaphragm group is formed by riveting a plurality of diaphragm rings which are overlapped in sequence.

The diaphragm ring is made of stainless spring steel, and the thickness of the diaphragm ring is 0.2-0.5 mm.

A gap is reserved between the adapter plate and the driving shaft or the driven shaft, and the connecting ring is located on the outer side of the gap and blocks the gap.

The heavy flexible diaphragm coupler provided by the utility model has the beneficial effects that:

(1) the adapter discs are arranged at the two ends of the middle joint, and the diaphragm group made of stainless spring steel is arranged between the adapter discs and the middle joint, so that the coupler has the function of axial flexibility;

(2) by riveting a plurality of diaphragm rings together, the yield strength and the fatigue resistance of the diaphragm group can be improved, and the axial and angular rated deformation can be resisted, so that the service life of the coupler is prolonged;

(3) by arranging the adapter plate and processing the lug boss and the connecting ring on the adapter plate, foreign matters can be prevented from entering the coupler, the normal operation of the coupler is ensured, and the stability of equipment is improved;

(4) through the arrangement of the hollow middle section, the structural strength of the middle section under the impact force can be reduced, the hollow middle section is used for absorbing the impact force to deform after the equipment is subjected to the impact force, the purpose of protecting the safety of the equipment is achieved, and the maintenance cost of the equipment can be saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an adapter provided in an embodiment of the present invention.

Reference numerals: 1. a drive shaft; 2. a middle section; 21. connecting the convex edges; 3. a driven shaft; 4. a switching disk; 41. a boss; 42. a bushing; 43. a connecting ring; 5. a set of diaphragms; 6. and (4) bolts.

Detailed Description

Examples

As shown in fig. 1 and 2, the heavy flexible diaphragm coupling provided by this embodiment includes a driving shaft 1, a middle section 2, a driven shaft, an adapter plate and a diaphragm set, wherein the driving shaft 1 is connected to the driven shaft through the hollow middle section 2, the diameter of the middle section 2 is smaller than the diameter of the driven shaft and the driven shaft, the diameter of the middle section 2 is reduced through the hollow middle section 2, when the equipment is subjected to an impact force, the middle section 2 is used to absorb the impact force to generate deformation, so as to protect the driving equipment and the driven equipment, the two ends of the middle section 2 are both processed with connecting convex edges 21, the outer sides of the connecting convex edges 21 at the two ends of the middle section 2 are both provided with adapter plates, one end of the adapter plate close to the middle section 2 is processed with a boss extending into the middle section 2, the boss extends into the middle section 2, so as to prevent foreign matters from falling into the middle section 2 from between the middle section 2 and the adapter plates, thereby effectively protecting the normal work of the coupler, the outer side of the boss is sleeved with a diaphragm group, the diaphragm group is provided with a mounting hole, the adapter plate is provided with a through hole aligned with the mounting hole, the through hole is sleeved with a bush in clearance fit, the bush, the diaphragm group and the connecting convex edge 21 are fixedly connected through a bolt, as the bush is in clearance fit with the adapter plate, when the driving shaft 1 rotates, the power is transmitted to the bush, then the bush on the bush is matched with the diaphragm group to transmit the power to the middle joint 2, then the middle joint 2 transmits the power to another bush and transmits the power to the driven shaft through another bush, the axial flexibility and the angular flexibility of the diaphragm group can absorb the shafting rigidity generated when the heavy equipment rotates when being started and stopped, thereby reducing the influence of the differential speed on the driven equipment caused by rotation and achieving the purpose of protecting the driven equipment, the adapter plate is provided with a connecting ring on the outer wall far away from one end of the middle joint 2, the adapter plate is connected with a corresponding driving shaft 1 or a corresponding driven shaft through a connecting ring, a hinge hole is pre-processed in the driving shaft 1 and the driven shaft and is connected with the connecting ring through the hinge hole, a connecting hole aligned with each hinge hole is processed in the connecting ring, a gap is reserved between the adapter plate and the driving shaft 1 or the driven shaft, the connecting ring is located outside the gap and blocks the gap, a foreign matter can be placed in the coupler through the connecting ring, normal operation of the coupler is protected, the diaphragm group is formed by riveting a plurality of diaphragm rings which are sequentially overlapped, the diaphragm rings are made of stainless spring steel, the thickness of the diaphragm rings is 0.2-0.5 mm, and the diaphragm rings together with the overlapped rivets have higher yield strength and fatigue resistance strength, so that the axial and angular rated deformation can be resisted, and the service life of the coupler is prolonged.

The using method of the utility model is as follows:

during installation, the diaphragm group is sleeved on the boss of the adapter plate, then the adapter plate is installed at two ends of the middle section 2, the boss of the adapter plate extends into the middle section 2, the adapter plate is connected with the middle section 2 through bolts penetrating through the lining, the diaphragm group and the connecting convex edge 21 on the adapter plate to form a coupler, and then the connecting ring on the adapter plate is connected with the corresponding driving shaft 1 and the corresponding driven shaft.

When the driving shaft coupling is used, driving force is output through the driving shaft 1, the driving shaft 1 transmits the driving force to the adapter plate through the connecting ring to drive the adapter plate to rotate, when the adapter plate rotates, the driving force is transmitted to the middle section 2 through the lining sleeve matched membrane group, the middle section 2 transmits the driving force to the driven shaft through the adapter plate close to the driven shaft, the driving force is used for driving driven equipment to work, when the driving force passes through the coupling, the axial flexibility and the angular flexibility of the membrane group are used for absorbing the shaft system rigidity of the driving shaft 1 during starting and stopping, the influence on the driven equipment caused by the impact force of the driving shaft 1 during starting and stopping is reduced, and therefore the safety of the driven equipment is effectively protected. When the driving force is abnormal, the driving force can be retained on the hollow middle section 2, the middle section 2 is forced to deform, and the middle section 2 does not have the capability of transmitting the driving force any more after deforming, so that the impact of the abnormal driving force on the driven equipment is effectively prevented, and the safety of the driven equipment is protected.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the utility model.

Claims

1. A heavy duty flexible diaphragm coupling characterized by: comprises a driving shaft, a middle section, a driven shaft, a switching disc and a membrane group, wherein the driving shaft is connected with the driven shaft through the hollow middle section, the diameter of the middle section is smaller than the diameters of the driven shaft and the driven shaft, connecting convex edges are processed at both ends of the middle section, the outer sides of the connecting convex edges at the two ends of the middle section are both provided with adapter plates, one end of each adapter plate close to the middle section is provided with a lug boss extending into the middle section, the outer side of the boss is sleeved with a diaphragm group, the diaphragm group is provided with a mounting hole, the adapter plate is provided with a through hole aligned with the mounting hole, a bush in clearance fit is sleeved in the through hole, the bush, the diaphragm group and the connecting convex edge are fixedly connected through a bolt, the outer wall of one end, far away from the middle section, of the adapter disc is provided with a connecting ring, the adapter disc is connected with a corresponding driving shaft or a corresponding driven shaft through the connecting ring, and the diaphragm is formed by riveting a plurality of sequentially overlapped diaphragm rings.

2. The heavy duty flexible diaphragm coupling of claim 1, wherein: the diaphragm ring is made of stainless spring steel, and the thickness of the diaphragm ring is 0.2-0.5 mm.

3. The heavy duty flexible diaphragm coupling of claim 1, wherein: a gap is reserved between the adapter plate and the driving shaft or the driven shaft, and the connecting ring is located on the outer side of the gap and blocks the gap.