CN215443160U

CN215443160U - Pipeline conveying stroke-increasing structure

Info

Publication number: CN215443160U
Application number: CN202121935798.0U
Authority: CN
Inventors: 张殿飞; 高军; 李廷连
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-07
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a pipeline conveying stroke-increasing structure, which comprises: outer tube and inlayer pipe, the inlayer pipe sets up the outer tube is inside, and inlayer pipe right side end is equipped with inner tube discharge gate end, outer tube left side end is equipped with the feeding end, and the right side end is equipped with discharge end lid, still is equipped with intake pipe intercommunication outer tube simultaneously, the inside shape with inner tube discharge gate end of discharge end lid mutually supports, forms the clearance, inner tube discharge gate end internal diameter with discharge end lid internal diameter phase-match, the welding of inlayer pipe outer wall has a set of inner tube wind blade, inner tube wind blade arranges along the axial, and inner tube wind blade slope sets up, wholly becomes the heliciform. The utility model adopts a double-layer pipe structure and a one-way conveying mode, improves the conveying safety of the pipeline guniting material in a rotatable mode of the inner layer pipe, improves the conveying distance, and reduces the problems of pipe blockage and pipeline explosion injury.

Description

Pipeline conveying stroke-increasing structure

Technical Field

The utility model relates to the technical field of guniting conveying, in particular to a pipeline conveying range-extending structure.

Background

The shotcrete machine is widely used for shotcrete construction operation of engineering buildings, mines, tunnels, mountain slope protection, culverts, subways, hydroelectric engineering, underground engineering and underground coal mine roadways. The existing shotcrete machine is mainly conveyed by a compressed air pipeline, the conventional shotcrete machine is relatively short in spraying distance, unstable in compressed air pressure, long in conveying distance and the like, pipe blockage is easily caused, so that pipeline explosion occurs, the production requirement of safety and stability is influenced, and the health and personal safety of field operation personnel are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline conveying range-extending structure to solve the problems in the background technology.

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

a pipe conveying range extending structure, comprising: outer tube and inlayer pipe, the inlayer pipe sets up the outer tube is inside, and inlayer pipe right side end is equipped with inner tube discharge gate end, outer tube left side end is equipped with the feeding end, and the right side end is equipped with discharge end lid, still is equipped with intake pipe intercommunication outer tube simultaneously, the inside shape with inner tube discharge gate end of discharge end lid mutually supports, forms the clearance, inner tube discharge gate end internal diameter with discharge end lid internal diameter phase-match, the welding of inlayer pipe outer wall has a set of inner tube wind blade, inner tube wind blade arranges along the axial, and inner tube wind blade slope sets up, wholly becomes the heliciform.

As a further scheme of the utility model: the inner tube discharge gate end is the toper, discharge end skull inside has the toper structure to mutually support with the toper of inner tube discharge gate end.

As a further scheme of the utility model: the feeding end head is rotatably connected with the inner pipe, the inner pipe is rotatably mounted in the shell pipe through bearings and fasteners, and the bearings comprise a first bearing, a second bearing and a third bearing.

As a further scheme of the utility model: the end of the inner pipe discharge hole and the inner layer pipe are of an integral structure.

As a further scheme of the utility model: the end of the inner pipe discharge hole and the inner pipe are of a split structure.

Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts a double-layer pipe structure and a one-way conveying mode, improves the conveying safety of the pipeline guniting material in a rotatable mode of the inner layer pipe, improves the conveying distance, and reduces the problems of pipe blockage and pipeline explosion injury.

Drawings

FIG. 1 is a schematic view of the internal structure of the feeding end cap and the inner pipe in the rotary connection of the feeding end cap and the inner pipe.

FIG. 2 is a schematic view of the internal structure of the feeding end cap fixedly connected with the inner pipe.

FIG. 3 is a schematic cross-sectional view taken along line A-A in the first embodiment.

In the figure: 1. a discharge end cover; 2. the end of the discharge hole of the inner pipe; 3. a housing tube; 4. an inner tube wind guide blade; 5. an inner layer tube; 6. an air inlet pipe; 7. a feed end; 8. a first bearing; 9. a second bearing 2; 10. a third bearing 3; 11. a fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a pipeline transportation range extending structure includes: outer tube 3 and inlayer pipe 5, inlayer pipe 5 sets up outer tube 3 is inside, and 5 right side ends of inlayer pipe are equipped with inner tube discharge gate end 2, inner tube discharge gate end 2 is the toper, 3 left side ends of outer tube are equipped with feed end 7, and the right side end is equipped with discharge end lid 1, still is equipped with intake pipe 6 intercommunication outer tube 3 simultaneously, discharge end lid 1 is inside to have the toper structure to mutually support with the toper of inner tube discharge gate end 2, form the clearance, inner tube discharge gate end 2 internal diameters with 1 internal diameter phase-match of discharge end lid, inner tube discharge gate end 2 and inlayer pipe 5 both can be integral structure, also can be split type structure.

A set of inner tube wind-guiding blades 4 are welded on the outer wall of the inner-layer tube 5, the inner tube wind-guiding blades 4 are arranged along the axial direction, and the inner tube wind-guiding blades 4 are obliquely arranged to form a spiral shape integrally. The air current that shell pipe 3 and inlayer pipe 5 passed through converges in 2 end toper structures departments of inner tube discharge gate end, has certain clearance between the toper export of inlayer pipe 5 and the toper inner wall of shell pipe 3 to realize the mixing of the inside and outside gas of inlayer pipe 5 wall.

The feeding end head 7 is rotatably connected with the inner pipe 5, the inner pipe 5 is rotatably mounted in the outer shell pipe 3 through a bearing and a fastener 11, the bearing comprises a first bearing 8, a second bearing 9 and a third bearing 10, the inner pipe 5 can rotate relative to the outer shell pipe 3, the feeding end head 7 can also rotate relative to the inner pipe 5, the inner pipe can rotate to improve the safety of pipeline guniting material conveying, in addition, the feeding end head 7 and the inner pipe 5 can also be fixedly connected (as shown in fig. 2), at the moment, the inner pipe 5 cannot rotate relative to the outer shell pipe 3, and in the practical production and use, the rotating connection mode or the fixed connection mode can be selected according to construction conditions and pipeline materials.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pipe conveying range extending structure, comprising: shell pipe (3) and inlayer pipe (5), its characterized in that: inner tube (5) set up inside outer shell pipe (3), and inner tube (5) right side end is equipped with inner tube discharge gate end (2), outer shell pipe (3) left side end is equipped with feeding end (7), and the right side end is equipped with discharge end lid (1), still is equipped with intake pipe (6) intercommunication outer shell pipe (3) simultaneously, discharge end lid (1) is inside to mutually support with the shape of inner tube discharge gate end (2), forms the clearance, inner tube discharge gate end (2) internal diameter with discharge end lid (1) internal diameter phase-match, inner tube (5) outer wall welding has a set of inner tube wind guide blade (4), inner tube wind guide blade (4) are arranged along the axial, and inner tube wind guide blade (4) slope sets up, wholly becomes the heliciform.

2. The pipeline transportation stroke-increasing structure of claim 1, wherein: inner tube discharge gate end (2) are the toper, discharge end lid (1) is inside to be the toper structure to mutually support with the toper of inner tube discharge gate end (2).

3. The pipeline transportation stroke-increasing structure of claim 1, wherein: the feeding end head (7) is rotationally connected with the inner layer pipe (5), the inner layer pipe (5) is rotatably installed in the outer shell pipe (3) through a bearing and a fastener (11), and the bearing comprises a first bearing (8), a second bearing (9) and a third bearing (10).

4. The pipeline transportation stroke-increasing structure of claim 3, wherein: the inner pipe discharge port end (2) and the inner layer pipe (5) are of an integral structure.

5. The pipeline transportation stroke-increasing structure of claim 3, wherein: the inner pipe discharge hole end (2) and the inner layer pipe (5) are of a split structure.