CN211056209U

CN211056209U - Pneumatic conveying pipeline

Info

Publication number: CN211056209U
Application number: CN201922022370.6U
Authority: CN
Inventors: 靳海滨; 李想; 曾志刚; 徐浩
Original assignee: Harbin Institute Of Technology Robot (yueyang) Military And Civilian Integration Research Institute
Current assignee: Harbin Institute Of Technology Robot (yueyang) Military And Civilian Integration Research Institute
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-21
Anticipated expiration: 2029-11-21

Abstract

The utility model provides a pneumatic conveying pipeline, include: the at least two pipelines are sequentially sleeved and connected together, and the adjacent two pipelines are arranged in a telescopic manner; the two adjacent pipelines are connected and fixed through the filler connecting mechanism; a lubrication mechanism disposed on the filler connection mechanism to lubricate the conduit. The utility model provides a pneumatic conveying pipeline is last to be provided with lubricating mechanism, through the effect of this lubricating mechanism, is convenient for lubricate the pipeline for can smoothly frequently stretch out and draw back between two adjacent pipelines, improve the utility model provides a pneumatic conveying pipeline's life.

Description

Pneumatic conveying pipeline

Technical Field

The utility model relates to a conveyor technical field particularly, relates to a pneumatic conveying pipeline.

Background

Pneumatic conveying is an important bulk conveying mode, and various pipelines including hard pipes, flexible pipes and telescopic pipes are required in the conveying process so as to meet the actual functional requirements of equipment.

The telescopic reducing joint of the pipeline in the pneumatic conveying system is provided in the prior art, and the pneumatic conveying pipeline can realize short-distance telescopic of the pipeline so as to meet the deformation requirement and realize pipeline reducing. However, since such pneumatic conveying pipes are not lubricated by the pipes, they are not suitable for frequent long-distance expansion and contraction, and the pipe sealing mating surfaces are exposed to air and easily contaminated by environmental dust.

SUMMERY OF THE UTILITY MODEL

A main object of the utility model is to provide a pneumatic conveying pipeline to solve among the prior art pneumatic conveying pipeline frequent flexible problem of not being convenient for.

In order to achieve the above object, according to an aspect of the present invention, there is provided a pneumatic conveying pipe, comprising: the at least two pipelines are sequentially sleeved and connected together, and the adjacent two pipelines are arranged in a telescopic manner; the two adjacent pipelines are connected and fixed through the filler connecting mechanism; a lubrication mechanism disposed on the filler connection mechanism to lubricate the conduit.

Further, the packing attachment mechanism includes: the stuffing box comprises a base, a main body, a first connecting lug block, a second connecting lug block, a gland and stuffing, wherein the base is fixedly connected to the end part of the pipeline positioned at the outer side in two adjacent pipelines; the main body is sleeved on the pipeline positioned at the inner side of two adjacent pipelines, and the first connecting lug block is fixed on the periphery of the main body and is fixedly connected with the base through a first connecting piece; the filler is filled in the main body; the gland cover is arranged on the main body and compresses the packing, and the gland is fixedly connected with the second connecting lug through a second connecting piece.

Further, the first connecting piece and the second connecting piece are connecting bolts.

Furthermore, the first connecting lug blocks protrude out of the inner sides of the pipelines at the installation positions of the first connecting lug blocks, and the end parts of the pipelines, which are positioned at the inner sides of the adjacent two pipelines, are provided with limiting structures used for being matched with the first connecting lug blocks.

Furthermore, the limiting structure is a limiting pin or a limiting block.

Further, the lubricating mechanism includes: an oil ring mounted inside the main body; an oil cup disposed outside the main body and connected with the oil ring.

Furthermore, the pneumatic transmission pipeline also comprises a dustproof sleeve, and the dustproof sleeve is sleeved on the periphery of the pipeline which is positioned at the inner side in the two adjacent pipelines.

Furthermore, the dustproof cover is a dustproof canvas oil cylinder protection cover.

Further, the number of the pipelines is two or three or more.

Use the technical scheme of the utility model, the utility model provides a pneumatic conveying pipeline is last to be provided with lubricating mechanism, through the effect of this lubricating mechanism, is convenient for lubricate the pipeline for can smoothly frequently stretch out and draw back between two adjacent pipelines, improve the utility model provides a pneumatic conveying pipeline's life.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

figure 1 schematically shows a cross-sectional view of a first embodiment of a pneumatic conveying pipe according to the invention; and

fig. 2 schematically shows a cross-sectional view of a second embodiment of the pneumatic conveying pipe of the invention.

Wherein the figures include the following reference numerals:

10. a pipeline; 20. a filler connection mechanism; 21. a base; 22. a main body; 23. a first connecting lug; 24. a second connecting lug; 25. a gland; 26. a filler; 30. a lubrication mechanism; 31. an oil cup; 32. an oil ring; 40. a first connecting member; 50. a second connecting member; 60. a limiting structure; 70. a dust-proof cover.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of 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 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 efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1 to 2, according to an embodiment of the present invention, a pneumatic conveying pipeline is provided, which includes at least two pipelines 10, a packing connecting mechanism 20, and a lubricating mechanism 30.

Wherein, at least two pipelines 10 are sequentially sleeved and connected together, and two adjacent pipelines 10 are telescopically arranged; two adjacent pipelines 10 are fixedly connected through a filler connecting mechanism 20; a lubrication mechanism 30 is provided on the packing attachment mechanism 20 to lubricate the pipe 10.

The pneumatic conveying pipeline in the embodiment is provided with the lubricating mechanism 30, and the pipelines 10 are conveniently lubricated under the action of the lubricating mechanism 30, so that the adjacent two pipelines 10 can be smoothly and frequently stretched and retracted, and the service life of the pneumatic conveying pipeline in the embodiment is prolonged.

Specifically, the packing attachment mechanism 20 in the present embodiment includes a packing box including a base 21, a main body 22, a first attachment lug 23, a second attachment lug 24, a gland 25, and packing 26.

Wherein, the base 21 is fixedly connected with the end part of the pipeline 10 positioned at the outer side in the two adjacent pipelines 10; the main body 22 is sleeved on the pipeline 10 positioned at the inner side of the two adjacent pipelines 10, and the first connecting lug 23 is fixed on the periphery of the main body 22 and is fixedly connected with the base 21 through the first connecting piece 40; the filler 26 is filled in the main body 22; the gland 25 is covered on the main body 22 and compresses the packing 26, and the gland 25 is fixedly connected with the second connecting lug block 24 through a second connecting piece 50.

The connection sealing function of the packing connection mechanism 20 is used for facilitating the stable and reliable connection of two adjacent pipelines 10.

Preferably, the first and

second connectors

40 and 50 in this embodiment are connection bolts. Of course, in other embodiments of the present invention, the first connecting member 40 and the second connecting member 50 can be set as a connecting buckle, a connecting hook, etc. as long as the present invention is in other deformation modes under the concept, all are within the protection scope of the present invention.

In order to prevent the two adjacent pipelines 10 from falling off in the expansion process, the first connecting lug 23 in this embodiment protrudes from the inner side of the pipeline 10 where the first connecting lug 23 is installed, and the end of the pipeline 10 located at the inner side of the two adjacent pipelines 10 is provided with a limiting structure 60 for being matched with the first connecting lug 23. Through the effect of this limit structure 60, be convenient for effectively prevent that pipeline 10 from droing.

Preferably, the limiting structure 60 in this embodiment is a limiting pin or a limiting block. Of course, in other embodiments of the present invention, the limiting structure 60 can be further configured as a limiting hook, a limiting buckle, and the like, as long as the present invention is in other deformation modes under the concept of the present invention, all are within the protection scope of the present invention.

Referring again to fig. 1 and 2, the lubricating mechanism 30 in the present embodiment includes an oil ring 32 and an oil cup 21, wherein the oil ring 31 is installed inside the main body 22 and sleeved on the outer periphery of the pipeline 10; the oil cup 31 is disposed outside the main body 22 and connected to the oil ring 32.

During the actual use, through the effect of oil cup 31, can add lubricating oil to in the oil ring 32, be convenient for lubricate pipeline 10 for can frequently stretch out and draw back between two adjacent pipelines, convenient to use.

The pneumatic conveying pipeline in this embodiment further includes a dustproof sleeve 70, and the dustproof sleeve 70 is sleeved on the periphery of the pipeline 10 located at the inner side of the two adjacent pipelines 10, so as to conveniently prevent dust of the internal pipeline 10. Preferably, the dust cover 70 is a dust canvas cylinder protective cover. Of course, in other embodiments of the present invention, the dust-proof cover 70 can be set to be a telescopic annular sleeve-shaped structure, and other deformation modes under the concept of the present invention are all within the protection scope of the present invention.

Referring to fig. 1, in the first embodiment of the present invention, two pipes 10 are provided, and referring to fig. 2, in another embodiment of the present invention, three pipes may be provided, and in other embodiments not shown of the present invention, three or more pipes 10 may be provided. The material conveying device is specifically arranged according to the conveying use requirements of materials.

Preferably, the pipe 10 in this embodiment is a metal pipe, and in other embodiments of the present invention, the pipe 10 may also be configured as a plastic pipe or the like.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

(1) the dust cover is additionally arranged outside the pipeline, so that the lubricating surface of the pipeline can be well protected from dust pollution;

(2) the lubricating function is added, the telescopic motion resistance of the pipeline can be reduced, and the sealing effect is improved.

(3) The three-stage pipeline can be stretched repeatedly, so that the stretching distance is longer, and the length after the stretching is shorter, as shown in fig. 2;

(4) through the spacing pin of stroke, light realization stroke limit function.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment 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

1. A pneumatic conveying pipe, comprising:

the pipeline structure comprises at least two pipelines (10), wherein the at least two pipelines (10) are sequentially sleeved and connected together, and the adjacent two pipelines (10) are telescopically arranged;

the two adjacent pipelines (10) are connected and fixed through the packing connecting mechanism (20);

a lubrication mechanism (30), the lubrication mechanism (30) being provided on the packing connection mechanism (20) to lubricate the pipe (10).

2. Pneumatic conveying pipe according to claim 1, characterised in that said filler connection means (20) comprise:

a stuffing box comprising a base (21), a body (22), a first connecting lug (23), a second connecting lug (24), a gland (25) and a packing (26), wherein,

the base (21) is fixedly connected with the end part of the pipeline (10) which is positioned at the outer side in the two adjacent pipelines (10);

the main body (22) is sleeved on the pipeline (10) which is positioned at the inner side in the two adjacent pipelines (10), and the first connecting lug block (23) is fixed on the periphery of the main body (22) and is fixedly connected with the base (21) through a first connecting piece (40);

the filler (26) is filled in the main body (22);

the gland (25) is covered on the main body (22) and compresses the packing (26), and the gland (25) is fixedly connected with the second connecting lug block (24) through a second connecting piece (50).

3. Pneumatic conveying pipe according to claim 2, characterized in that the first connector (40) and the second connector (50) are connecting bolts.

4. A pneumatic conveying pipeline according to claim 2, characterized in that the first connecting lug block (23) protrudes from the inner side of the pipeline (10) where the first connecting lug block (23) is installed, and the end of the pipeline (10) positioned at the inner side in two adjacent pipelines (10) is provided with a limiting structure (60) used for being matched with the first connecting lug block (23).

5. A pneumatic conveying pipeline according to claim 4, characterized in that the limiting structure (60) is a limiting pin or a limiting block.

6. Pneumatic conveying pipe according to claim 2, characterised in that said lubricating means (30) comprise:

an oil ring (32), the oil ring (32) being mounted inside the main body (22);

an oil cup (31), the oil cup (31) being disposed outside the main body (22) and connected to the oil ring (32).

7. The pneumatic conveying pipeline according to claim 1, further comprising a dust-proof sleeve (70), wherein the dust-proof sleeve (70) is sleeved on the periphery of the pipeline (10) positioned at the inner side in two adjacent pipelines (10).

8. Pneumatic conveying pipeline according to claim 7, characterised in that the dust boot (70) is a dust canvas cylinder protection cover.

9. A pneumatic conveying pipe according to any of claims 1 to 8, characterized in that the pipe (10) is two or three or more.