CN211077427U - Coupling and screw conveyor - Google Patents

Abstract

The embodiment of the utility model provides a shaft coupling and screw conveyer relates to the screw conveyer field, and this shaft coupling includes the shaft coupling subassembly, and the shaft coupling subassembly is including relative first half-coupling and the second half-coupling that sets up, and one side that first half-coupling is close to the second half-coupling is provided with the recess, and one side that the second half-coupling is close to first half-coupling is provided with the arch, and the recess is located to protruding card. The coupler can effectively solve the problem that the connecting bolt is easy to twist off.

Description

Coupling and screw conveyor

Technical Field

The utility model relates to a screw conveyer field particularly, relates to a shaft coupling and screw conveyer.

Background

The inventor researches and discovers that two adjacent conveying shafts in the spiral conveyor are connected through two half-couplings, and connecting bolts between the two half-couplings are easily twisted off in the working process of the spiral conveyor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupler, it can effectively improve the problem of connecting bolt twist-off easily.

An object of the utility model is to provide a screw conveyer still, including the shaft coupling mentioned above to have the whole functions of this shaft coupling.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment provides a coupler, including a coupling assembly, the coupling assembly includes a first half-coupling and a second half-coupling that set up relatively, the first half-coupling is close to one side of second half-coupling is provided with a recess, the second half-coupling is close to one side of first half-coupling is provided with the arch, protruding card is located the recess.

In an optional embodiment, the first half-coupling and the second half-coupling are both disc structures, two ends of the protrusion extend to the edge of the second half-coupling along the radial direction of the second half-coupling respectively, and the groove is a through groove which penetrates through the first half-coupling in the radial direction.

In an optional embodiment, the shaft coupling further comprises two shaft sleeves, the number of the shaft coupling assemblies is two, the shaft sleeves are located between the two shaft coupling assemblies, the first half shaft couplings of the two shaft coupling assemblies are fixedly connected to the shaft sleeves, and the inner cavities of the shaft sleeves, the inner cavities of the first half shaft couplings of the two shaft coupling assemblies and the inner cavities of the second half shaft couplings of the two shaft coupling assemblies are communicated with each other.

In an alternative embodiment, the coupling further comprises two end caps, both of which are connected to the sleeve, one of the end caps being located between the sleeve and the first coupling half of one of the coupling assemblies, and the other end cap being located between the sleeve and the first coupling half of the other of the coupling assemblies.

In an alternative embodiment, a nitrogen gas blanket is attached to both the inner walls of the two end caps and the inner wall of the sleeve.

In an optional embodiment, the two end covers are provided with air inlets, the air inlets are communicated with the inner cavities of the end covers, the inner cavities of the two end covers are communicated with the inner cavity of the shaft sleeve, and the air inlets are used for allowing nitrogen to pass through so as to form the nitrogen gas layer.

In an alternative embodiment, a cow felt is further attached to the inner walls of the two end covers; and grease layers are attached to the inner walls of the two end covers and the inner wall of the shaft sleeve.

In an optional embodiment, the coupler further includes a bearing seat and a hanger for fixing the hanger on a preset object, the bearing seat is sleeved on an outer wall of the shaft sleeve, the hanger is fixedly connected to the bearing seat, and the hanger is used for applying a pulling force to the bearing seat to prevent the bearing seat and the shaft sleeve from falling.

In an alternative embodiment, a through hole is provided inside the hanger, one end of the through hole is used for communicating with the external environment, and the other end of the through hole is communicated with the inner cavity of the shaft sleeve.

In a second aspect, embodiments provide a screw conveyor comprising a coupling according to any of the preceding embodiments.

The utility model discloses beneficial effect includes, for example:

the embodiment of the utility model provides a coupler, it can be understood, among the correlation technique, through connecting bolt relatively fixed between first half-coupling and the second half-coupling, the coupler is used for making two independent axles rotate in step, and in two synchronous pivoted in-process of axle, protruding card was located in the recess, and partial torsion can be born to the inner wall butt of bellied outer wall and recess to reduce the torsion that connecting bolt received, thereby the effectual problem of improving connecting bolt and twisting off easily.

The embodiment of the utility model provides a screw conveyer is still provided, including the above-mentioned shaft coupling, this screw conveyer can effectual improvement connecting bolt problem of twist-off easily equally.

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 structural diagram of a coupling according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic structural diagram of a first half-coupling at a first viewing angle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the first half-coupling at a second viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second coupling half provided in an embodiment of the present invention at a first viewing angle;

fig. 5 is a schematic structural diagram of a second half-coupling at a second viewing angle according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a coupler according to an embodiment of the present invention at a second viewing angle.

Icon: 1-a coupler; 11-a coupling assembly; 111-a first half coupling; 1111-grooves; 1112-a first mounting hole; 112-a second coupling half; 1121-projection; 1122-second mounting hole; 12-a shaft sleeve; 13-end cap; 131-an air inlet; 14-cattle felt; 15-bearing seats; 16-a hanger; 161-through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present embodiment provides a coupling 1, the coupling 1 includes a shaft sleeve 12 and two coupling assemblies 11, the shaft sleeve 12 is connected to the two coupling assemblies 11, and the shaft sleeve 12 is located between the two coupling assemblies 11.

Specifically, referring to fig. 1, each coupling assembly 11 includes a first half coupling 111 and a second half coupling 112 that are oppositely disposed, the first half couplings 111 of the two coupling assemblies 11 are both fixedly connected to the shaft sleeve 12, the second half couplings 112 are connected to the corresponding first half couplings 111, and an inner cavity of the shaft sleeve 12, inner cavities of the first half couplings 111 of the two coupling assemblies 11, and inner cavities of the second half couplings 112 of the two coupling assemblies 11 are communicated with each other.

Thus, in the placement state of the coupling 1 shown in fig. 1, one of the shafts can sequentially pass through the left second half coupling 112 and the left first half coupling 111 and enter a partial inner cavity of the shaft sleeve 12, and the other shaft can sequentially pass through the right second half coupling 112 and the right first half coupling 111 and enter a partial inner cavity of the shaft sleeve 12, so that the two shafts can synchronously rotate.

The inventor researches and discovers that in the related art, the first coupling half 111 and the second coupling half 112 in each coupling assembly 11 are relatively fixed through connecting bolts, and the connecting bolts are easy to twist off during actual rotation, so that the inventor improves the first coupling half 111 and the second coupling half 112.

Specifically, referring to fig. 2 to fig. 5, in the present embodiment, in the same coupling assembly 11, a groove 1111 is disposed on a side of the first coupling half 111 close to the second coupling half 112, a protrusion 1121 is disposed on a side of the second coupling half 112 close to the first coupling half 111, and the protrusion 1121 is clamped in the groove 1111.

It can be understood that, in this embodiment, after the protrusion 1121 is engaged with the groove 1111, the outer wall of the protrusion 1121 is abutted against the inner wall of the groove 1111, so that when the sleeve 12, the two shafts and the two coupling assemblies 11 rotate synchronously, the outer wall of the protrusion 1121 and the inner wall of the groove 1111 can bear part of the torsion, thereby reducing the torsion applied to the connecting bolt between the first coupling half 111 and the second coupling half 112, and effectively improving the problem that the connecting bolt is easily twisted off.

It should be noted that, in the present embodiment, the specification of the connecting bolt is increased from M16 in the related art to M24, which further enhances the torsion resistance of the connecting bolt.

In other embodiments, a protrusion may be disposed on a side of the first coupling half 111 close to the second coupling half 112, and a groove may be disposed on a side of the second coupling half 112 close to the first coupling half 111.

It should be noted that, in other embodiments, the coupling 1 may also only include one coupling assembly 11, so that the first coupling half 111 may be sleeved on one of the shafts, the second coupling half 112 may be sleeved on the other shaft, the protrusion 1121 of the second coupling half 112 is clamped in the groove 1111 of the first coupling half 111, and then the first coupling half 111 and the second coupling half 112 are fixed relatively by using the connecting bolt, which can also ensure that the two shafts rotate synchronously. Of course, in other embodiments, the coupling 1 may comprise only one sleeve 12 and only one coupling assembly 11.

Referring to fig. 3 and fig. 5, in the present embodiment, the first coupling half 111 and the second coupling half 112 are both disc structures, two ends of the protrusion 1121 respectively extend to an edge of the second coupling half 112 along a radial direction of the second coupling half 112, and the groove 1111 is a through groove that penetrates along the radial direction of the first coupling half 111.

It will be appreciated that in this embodiment, the projection 1121 and the recess 1111 pass through the axis of the first coupling half 111 and the axis of the second coupling half 112, respectively. Therefore, the outer wall of the projection 1121 and the inner wall of the groove 1111 can be subjected to uniform torsion, the abrasion of the projection 1121 and the groove 1111 is reduced, and the service life of the projection 1121 and the groove 1111 is prolonged.

It should be noted that, in the present embodiment, the number of the protrusions 1121 and the grooves 1111 is one. In other embodiments, the number of the protrusions 1121 and the number of the grooves 1111 may also be multiple, the number of the protrusions 1121 and the number of the grooves 1111 are equal, and the protrusions 1121 and the grooves 1111 are in one-to-one correspondence, the protrusions 1121 are distributed at intervals along the circumferential direction of the second coupling half 112, the grooves 1111 are distributed at intervals along the circumferential direction of the first coupling half 111, and each protrusion 1121 is engaged with the corresponding groove 1111.

Referring to fig. 3 and 5, in the present embodiment, the first coupling half 111 and the second coupling half 112 are respectively provided with a plurality of first mounting holes 1112 and a plurality of second mounting holes 1122, and the number of the first mounting holes 1112 and the number of the second mounting holes 1122 are equal and are in one-to-one correspondence. The connecting bolt is used to pass through the second mounting hole 1122 and the first mounting hole 1112 in order to fix the first coupling half 111 and the second coupling half 112 relatively.

Referring to fig. 1, in the present embodiment, the coupling 1 further includes two end caps 13, and both end caps 13 are connected to the shaft sleeve 12, wherein one end cap 13 is located between the shaft sleeve 12 and the first coupling half 111 of one of the coupling assemblies 11, and the other end cap 13 is located between the shaft sleeve 12 and the first coupling half 111 of the other coupling assembly 11.

It can be understood that, in this embodiment, two end covers 13 play an axial positioning role for shaft sleeve 12, in addition, two end covers 13 can play a protection role for both sides of shaft sleeve 12, and simultaneously, two end covers 13 can also play a sealing role for the inner cavity of shaft sleeve 12.

Specifically, in this embodiment, a nitrogen layer and a grease layer are attached to the inner walls of the two end caps 13 and the inner wall of the shaft sleeve 12. It can be understood that the double sealing of the nitrogen layer and the grease layer can further improve the sealing effect, and prevent external foreign matters from entering the end cover 13 and the shaft sleeve 12 to influence the matching between the shaft and the shaft sleeve 12.

Referring to fig. 1, in the present embodiment, the two end caps 13 are respectively provided with an air inlet 131, the air inlet 131 is communicated with the inner cavity of the end cap 13, the inner cavities of the two end caps 13 are respectively communicated with the inner cavity of the shaft sleeve 12, and the air inlet 131 is used for allowing nitrogen to pass through, so as to form a nitrogen gas layer on the inner wall of the end cap 13 and the inner wall of the shaft sleeve 12.

It should be noted that, in the actual use process, the pipeline for inputting nitrogen is inserted into the inlet 131 all the time, which not only can seal the inlet 131, but also can make nitrogen continuously adhere to the inner wall of the end cover 13 and the inner wall of the shaft sleeve 12.

In addition, referring to fig. 1, in the embodiment, the inner walls of the two end covers 13 are also attached with the felt 14, so that foreign matters can be further prevented from entering the inner cavity of the end cover 13 and the inner cavity of the shaft sleeve 12, and the sealing performance can be further improved.

Referring to fig. 1 and 6, in the present embodiment, the coupling 1 further includes a bearing seat 15 and a hanger 16 for fixing on a predetermined object, the bearing seat 15 is sleeved on an outer wall of the shaft sleeve 12, the hanger 16 is fixedly connected to the bearing seat 15, and the hanger 16 is used for applying a pulling force to the bearing seat 15 to prevent the bearing seat 15 and the shaft sleeve 12 from falling.

It should be noted that, in the practical use process, two independent shafts are connected through the coupling 1, and the hanger 16 applies a pulling force to the bearing seat 15, so that the bearing seat 15 and the shaft sleeve 12 can be prevented from falling, and thus, the probability of relative inclination of the two shafts can be reduced, and the concentricity of the two shafts can be better ensured.

It should be noted that the preset object may be a wall, a ceiling, a body of a mechanical device, or the like.

Referring to fig. 1 and 6, in the present embodiment, a through hole 161 is formed in the hanger 16, one end of the through hole 161 is used for communicating with the external environment, and the other end of the through hole 161 is communicated with the inner cavity of the shaft sleeve 12.

In the present embodiment, the worker can inject grease and lubricant into the inner cavity of the shaft sleeve 12 through the through hole 161, and the grease and the lubricant can not only reduce friction between the shaft sleeve 12 and the shaft, but also play a certain role in sealing.

The present embodiment also provides a screw conveyor comprising the above-mentioned coupling 1, it being understood that the screw conveyor may further comprise a conveying shaft, a motor, a base, etc.

The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)

1. The utility model provides a coupler, its characterized in that, includes the coupling subassembly, the coupling subassembly is including relative first half-coupling and the second half-coupling that sets up, first half-coupling is close to one side of second half-coupling is provided with the recess, the second half-coupling is close to one side of first half-coupling is provided with the arch, protruding card is located the recess.

2. The coupling according to claim 1, wherein the first coupling half and the second coupling half are both disc structures, two ends of the protrusion extend to an edge of the second coupling half along a radial direction of the second coupling half, respectively, and the groove is a through groove penetrating along the radial direction of the first coupling half.

3. The coupling according to claim 1, wherein the coupling further comprises two shaft sleeves, the number of the shaft coupling assemblies is two, the shaft sleeves are located between the two shaft coupling assemblies, the first half-couplings of the two shaft coupling assemblies are both fixedly connected to the shaft sleeves, and the inner cavities of the shaft sleeves, the inner cavities of the first half-couplings of the two shaft coupling assemblies and the inner cavities of the second half-couplings of the two shaft coupling assemblies are communicated with each other.

4. The coupling of claim 3 further comprising two end caps, both end caps being connected to said sleeve, one of said end caps being positioned between said sleeve and said first coupling half of one of said coupling assemblies and the other of said end caps being positioned between said sleeve and said first coupling half of the other of said coupling assemblies.

5. The coupling of claim 4 wherein a nitrogen blanket is attached to the inner walls of both end caps and the inner wall of the bushing.

6. The coupling according to claim 5, wherein the two end caps are each provided with an air inlet, the air inlets communicate with the inner cavity of the end cap, the inner cavities of the two end caps communicate with the inner cavity of the sleeve, and the air inlets are used for allowing nitrogen to pass through to form the nitrogen gas blanket.

7. The coupling of claim 4 wherein a felt of cattle is further attached to the inner walls of the two end caps; and grease layers are attached to the inner walls of the two end covers and the inner wall of the shaft sleeve.

8. The coupling of claim 3, further comprising a bearing seat and a hanger fixedly disposed on a predetermined object, wherein the bearing seat is sleeved on an outer wall of the shaft sleeve, the hanger is fixedly connected to the bearing seat, and the hanger is configured to apply a pulling force to the bearing seat to prevent the bearing seat and the shaft sleeve from falling.

9. The coupling according to claim 8, wherein the hanger is provided with a through hole inside, one end of the through hole is used for communicating with the external environment, and the other end of the through hole is communicated with the inner cavity of the shaft sleeve.

10. A screw conveyor comprising a coupling according to any one of claims 1 to 9.

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