CN216128858U

CN216128858U - Roller for transmission device

Info

Publication number: CN216128858U
Application number: CN202120943767.3U
Authority: CN
Inventors: 刘鹏程; 周凯
Original assignee: Hubei Tianzhilang Environmental Protection Equipment Co ltd
Current assignee: Hubei Tianzhilang Environmental Protection Equipment Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-03-25
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a roller for a transmission device, which comprises an outer pipe, a pair of pipe brackets and a rotating shaft, wherein the outer pipe is provided with a plurality of through holes; each pipe support comprises hubs and a support assembly, the two hubs are respectively mounted at two ends of the rotating shaft, the outer sides of the hubs are fixedly connected to the inner side of the outer pipe, the two hubs are respectively located at two ends of the outer pipe, and the support assembly is arranged on one side opposite to the two hubs; an inner wall for supporting the outer tube between two hubs; it has solved the retaining ring of cylinder inconvenient technical problem under the partial condition among the prior art.

Description

Roller for transmission device

Technical Field

The utility model relates to the technical field of parts of material conveying equipment, in particular to a roller for a conveying device.

Background

The belt conveyer is an important conveying device for iron and steel enterprises, and is widely used for conveying lump ores, sintered ores and coke (powder). The roller is one of the main parts of the belt conveyor and is generally divided into a driving roller, a driven roller and a bend roller. According to the material and the processing mode, the main types of the current roller are as follows: (1) cast iron, cast steel: the roller is formed by casting and then machined into a finished product; (2) general steel sheet: the roller is formed by rolling a steel plate and then performing surface grinding or machining to obtain a finished product; (3) and (2) compounding: and coating a layer of rubber material on the outer surfaces of the three materials to obtain a finished product.

The used cylinder of current belt conveyor generally includes wheel hub, retaining ring, pivot and section of thick bamboo skin (being the outer tube), and wherein, the retaining ring is installed in wheel hub's the outside for guarantee appearance structure's stability, but to the less cylinder of diameter, the retaining ring preparation is complicated, because the great problem that can appear the outer tube deformation of outer tube middle part atress, leads to the retaining ring to drop easily.

SUMMERY OF THE UTILITY MODEL

Based on the above description, the present invention provides a roller for a transmission device, so as to solve the technical problem that in the prior art, a retainer ring of the roller is inconvenient to use under some conditions.

The technical scheme for solving the technical problems is as follows: a roller for a transmission device comprises an outer tube, a pair of tube brackets and a rotating shaft;

each pipe support comprises hubs and a support assembly, the two hubs are respectively mounted at two ends of the rotating shaft, the outer sides of the hubs are fixedly connected to the inner side of the outer pipe, the two hubs are respectively located at two ends of the outer pipe, and the support assembly is arranged on one side opposite to the two hubs; for supporting the inner wall of the outer tube between the two hubs. .

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the application provides a cylinder adopts the mounting means who gives up the retaining ring, directly is connected wheel hub and bobbin skin, and wheel hub and axle assembly shaping back adopt supporting component to make the outer tube inner wall between two wheel hubs, guarantee the structural stability of outer tube in the use, and supporting component is between two wheel hubs simultaneously, can not take place the obscission, has guaranteed the life of cylinder.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the outer side wall of the hub and the inner wall of the outer pipe are welded and fixed.

Further, the pivot includes the main part and is located the installation part at main part both ends, the installation part with be formed with the shaft shoulder between the main part, the diameter size of main part is greater than the diameter size of installation part, wheel hub correspond the installation with two installation parts of pivot.

Furthermore, the supporting component comprises a lantern ring, an elastic piece, a plurality of supporting blocks and a plurality of connecting pieces, the lantern ring is detachably sleeved on the outer side of the main body part, the supporting blocks are uniformly installed on the outer side of the lantern ring along the circumferential direction of the lantern ring, the elastic piece is installed between the lantern ring and the supporting blocks and used for driving the supporting blocks to move far away from one side of the lantern ring, one end of each connecting piece is connected to the inner end of the hub, and the other end of each connecting piece is connected with the supporting block.

Furthermore, the elastic element comprises a plurality of springs, each spring is correspondingly connected with one of the supporting blocks and used for driving the corresponding supporting block to be far away from the lantern ring along the radial direction of the lantern ring.

Further, the rotating shaft further comprises a transmission part located on the outer side of the mounting part, and a bearing is mounted on the transmission part.

Further, the ratio of the length of the rotating shaft to the diameter of the main body part is in the range of 15-20; the connecting piece has a length greater than the diameter of the body portion.

Drawings

Fig. 1 is a schematic perspective view of a roller for a conveyor according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic structural view of a tube support in an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an outer tube; 2. a tube support; 3. a rotating shaft;

21. a hub; 22. a support assembly; 221. a collar; 222. an elastic member; 223. a support block; 224. connecting sheets; 31. a body portion; 32. a mounting portion; 33. a transmission part;

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements.

As shown in fig. 1 to 3, the embodiment of the present application discloses a roller for a conveying device, which includes an outer tube 1, a pair of tube holders 2, and a rotating shaft 3.

Each pipe support 2 comprises a hub 21 and a support assembly 22, the two hubs 21 are respectively mounted at two ends of the rotating shaft 3, the outer side of each hub 21 is fixedly connected to the inner side of the outer pipe 1, and preferably, the outer side wall of each hub 21 and the inner wall of the outer pipe 1 are welded and fixed; and two wheel hubs 21 are respectively located at two ends of the outer tube 1, and the supporting component 22 is disposed at one side opposite to the two wheel hubs 21 and is used for supporting the inner wall of the outer tube 1 between the two wheel hubs 21.

In the embodiment of the present application, the rotating shaft 3 includes a main body portion 31 and mounting portions 32 located at both ends of the main body portion 31, a shoulder is formed between the mounting portions 32 and the main body portion 31, wherein the diameter of the main body portion 31 is larger than that of the mounting portions 32, and the hub 21 is correspondingly mounted with the two mounting portions 32 of the rotating shaft 3.

Preferably, the hub 21 and the mounting portion 32 are correspondingly provided with key slots, and the hub 21 is connected with the rotating shaft 3 through a key.

Further, the support assembly 22 includes a collar 221, an elastic member 222, a plurality of support blocks 223 and a plurality of connecting pieces 224, the collar 221 is detachably sleeved on the outer side of the main body portion 31, the plurality of support blocks 223 are uniformly installed on the outer side of the collar 221 along the circumferential direction of the collar 221, the elastic member 222 is installed between the collar 221 and the support blocks 223 and is used for driving the support blocks 223 to move towards the side far away from the collar 221, one end of the connecting piece 224 is connected to the inner end of the hub 21, and the other end is connected to the support blocks 223.

In the preferred embodiment of the present invention, the elastic member 222 includes a plurality of springs, each of which is correspondingly connected to one of the supporting blocks 223 for driving the corresponding supporting block 223 away from the collar 221 along the radial direction of the collar 221.

The rotating shaft 3 further comprises a transmission part 33 positioned outside the mounting part 32, and the transmission part 33 is provided with a bearing 4.

Wherein, the ratio of the length of the rotating shaft 3 to the diameter of the main body part 31 ranges from 15 to 20; for example, in some embodiments, the shaft 3 has a length of 950 mm; the diameter of the main body 31 is 75mm, and in order to ensure that the supporting block 223 supports the inner wall of the outer tube 1 and acts on the whole outer tube, the contact point of the supporting block 223 and the outer tube 1 should be as close as possible to the middle of the outer tube 1, and therefore, preferably, the length of the connecting piece is greater than the diameter of the main body.

The application provides a cylinder adopts the mounting means who gives up the retaining ring, directly is connected wheel hub 21 and outer tube 1, and

wheel hub

21 and 3 assembly moulding backs of pivot adopt supporting component 22 to support 1 inner walls of outer tube between two wheel hub 21, guarantee the structural stability of outer tube 1 in the use, and supporting component is located between two wheel hub 21 simultaneously, can not take place the obscission, has guaranteed the life of cylinder.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A roller for a transmission device is characterized by comprising an outer pipe, a pair of pipe brackets and a rotating shaft;

each pipe support comprises hubs and a support assembly, the two hubs are respectively mounted at two ends of the rotating shaft, the outer sides of the hubs are fixedly connected to the inner side of the outer pipe, the two hubs are respectively located at two ends of the outer pipe, and the support assembly is arranged on one side opposite to the two hubs; for supporting the inner wall of the outer tube between the two hubs.

2. The drum for a conveyor as claimed in claim 1 wherein an outer sidewall of the hub and an inner wall of the outer tube are welded.

3. The roller as claimed in claim 1, wherein the shaft includes a main body portion and mounting portions at both ends of the main body portion, a shoulder is formed between the mounting portions and the main body portion, a diameter of the main body portion is larger than a diameter of the mounting portions, and the hub is correspondingly mounted to the two mounting portions of the shaft.

4. The roller as claimed in claim 3, wherein the supporting member comprises a sleeve ring, an elastic member, a plurality of supporting blocks and a plurality of connecting pieces, the sleeve ring is detachably sleeved on the outer side of the main body portion, the supporting blocks are uniformly arranged on the outer side of the sleeve ring along the circumferential direction of the sleeve ring, the elastic member is arranged between the sleeve ring and the supporting blocks and used for driving the supporting blocks to move towards the side far away from the sleeve ring, one end of the connecting piece is connected to the inner end of the hub, and the other end of the connecting piece is connected with the supporting blocks.

5. The roller as claimed in claim 4, wherein said resilient member comprises a plurality of springs, each of said springs being connected to a respective one of said support blocks for urging said respective support block radially away from said collar.

6. The drum for a conveyor as claimed in claim 5 wherein the shaft further comprises a transmission portion located outside the mounting portion, the transmission portion having a bearing mounted thereon.

7. The roller for a conveyor according to claim 4, wherein a ratio of a length of the shaft to a diameter of the main body portion is in a range of 15 to 20; the connecting piece has a length greater than the diameter of the body portion.