CN218718307U - Diaphragm coupling for internal transmission of gear box - Google Patents

Abstract

The utility model provides a be used for inside driven diaphragm coupling of gear box, include: a first shaft sleeve, one end of which is provided with a first end face flange; one end of the intermediate shaft is provided with a second end face flange; a set of diaphragms; a bolt and nut assembly; the first shaft sleeve and the intermediate shaft are coaxially arranged, the diaphragm group is positioned between the first end face flange and the second end face flange and penetrates through the first end face flange, the diaphragm group and the second end face flange through the bolt and nut assembly to be connected; further comprising: and one end of the intermediate shaft, which is far away from the second end face flange, is coaxially provided with a spline hole matched with the external spline. According to the utility model provides a be used for inside driven diaphragm coupling of gear box, this shaft coupling directly is arranged in the inside transmission of gear box, has compensated in the gear box because of the vibration that the axle centering produced, inefficacy etc. be convenient for moreover.

Description

Diaphragm coupling for internal transmission of gear box

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a be used for inside driven diaphragm coupling of gear box.

Background

In the field of mechanical transmission, a gear box is an important mechanical component which is widely applied. The main function of the transmission is to transmit the rotary power of a driving source to a target part, and the common transmission combination in the gear box is the matching transmission of a gear and a gear shaft. In the special operating mode gearbox, the condition that the axle mounting hole machining error of input or output side end shell leads to the both sides axle to not centering, to whole axle, gear shaft, the axle is not centering can make the bearing wearing and tearing faster, produces the axle head oil leak, leads to gearbox noise high on the right side, vibration grow, and the bearing can cause great incident when serious because fatigue failure fracture flies out, this equipment processing box body that just needs more accurate. Moreover, when the operation condition has special requirements and needs to disconnect the connection of the shaft, the box body needs to be disassembled and assembled once every disconnection, which is very inconvenient, the workload is not only increased when the connecting shaft is disconnected every time, and the parts are easy to lose efficacy due to frequent disassembly and assembly. Therefore, the above problems become technical problems to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a diaphragm coupling for internal transmission of a gear box, which at least solves one of the technical problems related to the above background art, and the coupling is directly used for internal transmission of the gear box, at least to a certain extent, compensates the vibration and failure caused by misalignment of the shaft in the gear box, and is convenient for disassembly and assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a be used for inside driven diaphragm coupling of gear box, include:

a first shaft sleeve, one end of which is provided with a first end face flange;

one end of the intermediate shaft is provided with a second end face flange;

a set of diaphragms;

a bolt and nut assembly;

the first shaft sleeve and the intermediate shaft are coaxially arranged, the diaphragm group is positioned between the first end face flange and the second end face flange and penetrates through the first end face flange, the diaphragm group and the second end face flange through the bolt and nut assembly to be connected;

further comprising: and one end of the intermediate shaft, which is far away from the second end face flange, is coaxially provided with a spline hole matched with the external spline.

In some embodiments, the gear is detachably connected with the end part of the second shaft sleeve, wherein the end part of the second shaft sleeve is provided with a third flange, and the gear and the third flange are connected and fastened through a locking bolt.

In some embodiments, an end of the second sleeve remote from the external spline is coaxially provided with an external ring conical surface, and correspondingly, the gear is positioned by matching the coaxial internal ring conical surface with the external ring conical surface.

In some embodiments, the inner hole wall of the first shaft sleeve is provided with a key groove along the axial direction, and correspondingly, the inner hole wall of the second shaft sleeve is also provided with a key groove along the axial direction.

Compared with the prior art, the utility model provides a be used for inside driven diaphragm coupling of gear box's beneficial effect is: the coupling is directly used in the internal transmission of the gear box, compensates the vibration and failure caused by the misalignment of the shaft in the gear box, and is convenient to disassemble and assemble. Particularly, the utility model discloses a shaft coupling has integrated diaphragm and splined connection and has replaced the design of whole axle in the past, axial compensation and angular compensation that general gear shaft can not accomplish have, and convenient intercommunication and disconnection, so as to reach certain special operating mode requirement, when satisfying the connection and the power transmission of equipment, the effectual vibration influence that the shaft coupling centering is not brought that has reduced, improve connection stability under the condition of not losing bearing capacity and moment of torsion, reduce the friction loss between the spare part, and long service life satisfies high-speed operational environment's needs, be worth using widely in a large number.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 view of a front view half-section structure of the embodiment of the present invention.

Fig. 2 is a front view, half-sectional structural schematic view of a detachable structure of a second shaft sleeve and a gear according to another embodiment of the present invention in fig. 1.

Fig. 3 is a schematic diagram of the right-view structure of fig. 2 according to the present invention.

The text labels in the figures are represented as: 1. a first bushing; 11. a first end flange; 2. an intermediate shaft; 21. a second end face flange; 22. a splined bore; 3. a membrane set; 4. a bolt and nut assembly; 5. a second shaft sleeve; 51. a gear; 52. an external spline; 53. a third flange; 54. locking the bolt; 55. an outer ring conical surface.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-3, fig. 1 is a schematic view of a front-view half-section structure of an embodiment of the present invention. Fig. 2 is a front view, half-sectional structural schematic view of a detachable structure of a second shaft sleeve and a gear according to another embodiment of the present invention in fig. 1. Fig. 3 is a schematic diagram of the right-view structure of fig. 2 according to the present invention.

Example one

In a specific embodiment, the present invention provides a diaphragm coupling for internal transmission of a gearbox, including:

one end of the first shaft sleeve 1 is provided with a first end face flange 11, a plurality of through holes are uniformly distributed on the first end face flange 11 around the axis, and six through holes are formed in the first end face flange 11;

one end of the intermediate shaft 2 is provided with a second end face flange 21, a plurality of through holes are uniformly distributed on the second end face flange 21 around the axis, and six through holes are formed in the drawing;

the diaphragm group 3 is formed by stacking a plurality of elastic diaphragms, a plurality of through holes are uniformly distributed on the diaphragm group 3 around an axis, and six through holes are arranged in the figure;

a bolt and nut assembly 4; of course, damping sleeves and gaskets are also needed;

the first shaft sleeve 1 and the intermediate shaft 2 are coaxially arranged, the diaphragm group 3 is located between the first end face flange 11 and the second end face flange 21 and penetrates through the first end face flange 11, the diaphragm group 3 and the second end face flange 21 through the bolt and nut assembly 4 to be connected, specifically, bolts penetrate through the first end face flange 11, the gasket diaphragm group 3, the second end face flange 21 and the damping sleeve and then are locked through nuts, or bolts penetrate through the second end face flange 21, the gasket diaphragm group 3, the first end face flange 11 and the damping sleeve and then are locked through nuts, and the penetrating directions of the two adjacent bolts are opposite;

further comprising: and a second shaft sleeve 5, wherein one end of the second shaft sleeve 5 is coaxially provided with a gear 51, the other end of the second shaft sleeve 5 is coaxially provided with an external spline 52, and correspondingly, one end of the intermediate shaft 2, which is far away from the second end face flange 21, is coaxially provided with a spline hole 22 matched with the external spline 52.

In the concrete use, the first axle is equipped with in the first axle sleeve 1, the second axle is equipped with in the second axle sleeve 5, through the direct gear mesh transmission on with the gear box input or output side epaxial gear of gear on the gear 51, directly reach the input or the output of power, and the spline transmission that jackshaft 2 links to each other, can also compensate certain axial distance on the basis of transmission power, eliminate the axial error in the installation, compare with the whole simple gear shaft of current use, this shaft coupling possesses outside the function of gear shaft, still have diaphragm group 3 and can provide the angular compensation, can be better offset the axle and not the centering situation, thereby alleviate production and vibration, inefficacy etc., and through dismouting diaphragm group 3, can reach the intercommunication and the disconnection of axle, the installation dismantlement time has been saved greatly.

Example two

According to the first embodiment, in order to facilitate the processing and replacement of the gear 51, optionally, the gear 51 is detachably connected with the end of the second sleeve 5, as shown in fig. 2-3, wherein a third flange 53 is provided at the end of the second sleeve 5, the gear 51 and the third flange 53 are connected and fastened by a locking bolt 54, wherein the locking bolt 54 may also penetrate through the gear 51 and the third flange 53 and then be locked by a nut, so as to facilitate the separate processing and installation, replacement, and the like of the gear and the sleeve.

Further, an outer ring conical surface 55 is coaxially arranged at one end of the second sleeve 5, which is far away from the external spline 52, the outer ring conical surface 55 is tapered towards the direction far away from the external spline 52, and correspondingly, the gear 51 is positioned by coaxially arranging an inner ring conical surface to be matched with the outer ring conical surface 55, so that when the gear 51 is installed with the second sleeve, the positioning can be realized by matching of the conical surfaces, and the coaxiality is ensured.

EXAMPLE III

In the above embodiment, the inner hole wall of the first shaft sleeve 1 is provided with a key groove along the axial direction, and correspondingly, the inner hole wall of the second shaft sleeve 5 is also provided with a key groove along the axial direction, and the key groove is connected with the shaft through a key to perform transmission.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims (4)

1. A diaphragm coupling for a gearbox internal drive comprising:

a first shaft sleeve (1), one end of which is provided with a first end face flange (11);

an intermediate shaft (2) one end of which is provided with a second end face flange (21);

a membrane group (3);

a bolt and nut assembly (4);

the first shaft sleeve (1) and the intermediate shaft (2) are coaxially arranged, the diaphragm group (3) is located between the first end face flange (11) and the second end face flange (21), and the first end face flange (11), the diaphragm group (3) and the second end face flange (21) are connected in a penetrating mode through the bolt and nut assembly (4);

it is characterized by also comprising: and one end of the second shaft sleeve (5) is coaxially provided with a gear (51), the other end of the second shaft sleeve (5) is coaxially provided with an external spline (52), and correspondingly, one end, far away from the second end face flange (21), of the intermediate shaft (2) is coaxially provided with a spline hole (22) matched with the external spline (52).

2. The diaphragm coupling for the internal transmission of the gearbox is characterized in that the gear (51) is detachably connected with the end part of the second shaft sleeve (5), wherein a third flange (53) is arranged at the end part of the second shaft sleeve (5), and the gear (51) and the third flange (53) are connected and fastened through a locking bolt (54).

3. Diaphragm coupling for the internal transmission of a gearbox according to claim 2, characterised in that the end of the second bushing (5) remote from the external splines (52) is coaxially provided with an external conical surface (55), and correspondingly the gear (51) is positioned by co-axial inner conical surface cooperating with the external conical surface (55).

4. A diaphragm coupling for a gearbox internal transmission according to any of the claims 1-3, characterised in that the inner bore wall of the first sleeve (1) is provided with a keyway in the axial direction, and correspondingly the inner bore wall of the second sleeve (5) is also provided with a keyway in the axial direction.

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