CN214466916U - Metal corrugated pipe capable of being maintained and replaced on line - Google Patents

Abstract

The utility model discloses a metal corrugated pipe which can be maintained and replaced on line, which comprises two groups of header pipe joints, the bottom of the header pipe joints is communicated with bifurcated pipes, one group of the bifurcated pipes is provided with an opening and closing valve, a metal corrugated pipe is fixedly connected between the bifurcated pipes, the end part of the bifurcated pipe is fixedly connected with a fixed flange, the two ends of the metal corrugated pipe are fixedly connected with a detachable flange, the outer wall of the bifurcated pipe is slidably connected with a fixed base ring, the end part of the fixed base ring is rotatably connected with a plurality of fixed pressing handles, the inner wall of the fixed pressing handles is fixedly connected with a positioning base plate, the middle of the positioning base plate is in threaded connection with a pressing screw rod, the pressing screw rod is matched with the detachable flange, the outer wall of the fixed base ring is in threaded connection with a protective ring, the protective ring is matched with the fixed pressing handles, the utility model has simple and rapid installation and disassembly, fixation and reliability, the other side is used in the replacement process, and the use of the whole device is not influenced, the production is not affected, and the machine does not need to be stopped.

Description

Metal corrugated pipe capable of being maintained and replaced on line

Technical Field

The utility model relates to a corrugated metal pipe technical field specifically is a corrugated metal pipe that can maintain on line and change.

Background

The metal hose for conveying media in engineering equipment mainly refers to a corrugated pipe, the corrugated pipe pressed by a thin plate is a flexible pipe body, and the corrugated pipe has certain axial telescopic capacity and arbitrary direction turning capacity, and can meet the requirement of conveying liquid or gas media in actual use. Because the metal hose main part of prior art is the bellows, the exposed bellows inner wall directly contacts with the medium of carrying in its structure, if contain the particulate matter in the medium and must produce the motion wearing and tearing to the inner wall of bellows, long-term use easily causes thin-walled bellows to be worn out and become invalid. For example, the pipeline for conveying the fly ash is provided with a metal hose, and the fly ash is directly contacted with the inner wall of the corrugated pipe, so that the corrugated pipe is worn and scrapped for several days if the length of the corrugated pipe is short, and more than ten days if the length of the corrugated pipe is long. In the existing engineering, the operation of the engineering is maintained by continuously replacing a metal hose, the machine is often required to be stopped for replacement, the continuity of the engineering process is affected, and the production efficiency is obviously reduced.

Based on this, the utility model designs a but corrugated metal pipe of online maintenance change to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but corrugated metal pipe of online maintenance change to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a corrugated metal pipe that can maintain change on line, includes two sets of house steward joints, house steward joint bottom intercommunication has the bifurcated pipe, the valve that opens and shuts is all installed to one of them set of bifurcated pipe, equal fixedly connected with corrugated metal pipe between the bifurcated pipe, bifurcated pipe tip fixedly connected with mounting flange, the removable flange of corrugated metal pipe both ends fixedly connected with, bifurcated pipe outer wall sliding connection has fixed base ring, fixed base ring tip rotates and is connected with a plurality of fixed pressure handles, fixed pressure handle inner wall fixedly connected with location base plate, threaded connection has compression screw in the middle of the location base plate, compression screw and removable flange cooperation, fixed base ring outer wall threaded connection has the guard circle, guard circle and the cooperation of fixed pressure handle.

Preferably, the side wall of the fixed flange is fixedly connected with a plurality of positioning columns, a plurality of positioning holes are formed in the middle of the detachable flange, and the positioning columns are matched with the positioning holes.

Preferably, the double-pipe clamp is connected between the metal corrugated pipes and comprises a middle connecting plate, clamping arms are rotatably connected to two sides of the middle connecting plate, and the clamping arms are fixed through bolts.

Preferably, the clamping arm is C-shaped, the two sides of the middle connecting plate are arc-shaped edges and are attached to the metal corrugated pipe, and the inner side of the clamping arm is fixedly connected with an elastic pad.

Preferably, a plurality of mounting grooves are formed in the end portion of the fixed base ring, the fixed pressing handle is located in the mounting grooves and is connected with the mounting grooves in a rotating mode, and the end portion of the pressing screw is fixedly connected with a flat-bottom pressing ball.

Preferably, the interior of the bifurcated pipe is fixedly connected with an interface protection ring, the rear end of the fixed base ring is fixedly connected with a limiting base ring, the protection ring is a stepped ring, and a large-diameter ring is arranged in front.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a house steward connects this device and connects in required position, closes one of them corrugated metal pipe, another in use through the on-off valve during the use. When the corrugated metal pipe needs to be replaced, the protection ring at the two ends of the rotary corrugated metal pipe is rotated to enable the rotary corrugated metal pipe to move backwards, the fixed pressing handle is released and pulled back forcefully, the flat pressing ball is separated from the detachable flange, then the detachable flange is pulled out from the positioning column, the two ends of the corrugated metal pipe can be detached, then the clamping arm can be taken out by loosening, a new corrugated pipe is installed in the clamping arm again, the butt joint at the two ends is facilitated, the detachable flange is aligned to the positioning column and is in butt joint with the fixing flange, then the flat pressing ball of the fixed pressing handle pressing screw is pressed on the detachable flange by rotating the fixed pressing handle pressing screw, the flat pressing ball is inwards pressed on the side wall of the fixing flange, the flat pressing ball can be further pressed downwards to fasten the detachable flange by rotating the pressing screw, the pressing seal is guaranteed, then the protection ring is rotated forwards, the fixed pressing handle is wrapped, and the fixed pressing handle cannot be rotated outwards to be loosened, and the fixing is reliable. The installation is dismantled simply swiftly, and the opposite side is used in the change in-process, does not influence the use of whole device, does not influence production and goes on, need not to shut down.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the main view structure of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic view of the stepped sectional structure of the upward viewing angle of the present invention;

FIG. 4 is an enlarged schematic view of part A of the present invention;

fig. 5 is an enlarged schematic view of the part B of the present invention.

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

the device comprises a main pipe joint 1, a branch pipe 2, an opening and closing valve 3, a metal corrugated pipe 4, a fixed flange 5, a detachable flange 6, a fixed base ring 7, a fixed pressing handle 8, a positioning base plate 9, a pressing screw 10, a protection ring 11, a positioning column 12, a double-pipe clamp 13, a middle connecting plate 14, a clamping arm 15, an elastic pad 16, a flat-bottom pressing ball 17 and a limiting bottom ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a corrugated metal pipe that can maintain change on line, including two sets of house steward joints 1, house steward joint 1 bottom intercommunication has bifurcated pipe 2, bifurcated pipe 2 wherein a set of open-close valve 3 of all installing, equal fixedly connected with corrugated metal pipe 4 between bifurcated pipe 2, 2 tip fixedly connected with mounting flange 5 of bifurcated pipe, 4 both ends fixedly connected with detachable flange 6 of corrugated metal pipe, 2 outer wall sliding connection of bifurcated pipe has fixed foundation ring 7, 7 tip rotations of fixed foundation ring are connected with a plurality of fixed pressure handles 8, 8 inner wall fixedly connected with location base plates 9 of fixed pressure handle, threaded connection has compression screw 10 in the middle of the location base plates 9, compression screw 10 and the cooperation of detachable flange 6, 7 outer wall threaded connection of fixed foundation ring have guard ring 11, guard ring 11 and the cooperation of fixed pressure handle 8.

Wherein, 5 lateral walls fixedly connected with of mounting flange have a plurality of reference columns 12, have seted up a plurality of locating holes in the middle of removable flange 6, reference column 12 and locating hole cooperation. A double-pipe clamp 13 is connected between the metal corrugated pipes 4, the double-pipe clamp 13 comprises a middle connecting plate 14, clamping arms 15 are rotatably connected to two sides of the middle connecting plate 14, and the clamping arms 15 are fixed through bolts. The clamping arm 15 is C-shaped, two sides of the middle connecting plate 14 are arc-shaped edges and are attached to the metal corrugated pipe 4, and the inner side of the clamping arm 15 is fixedly connected with an elastic pad 16. A plurality of mounting grooves are opened to fixed base circle 7 tip, and fixed pressure handle 8 is located the mounting groove and is connected with it is rotated, and compression screw 10 tip fixedly connected with flat bottom ball 17. The inside fixedly connected with interface guard ring of bifurcated pipe 2, interface guard ring are located two flange butt joints, reduce the impact of intraductal material to pipe wall and seam crossing, improve and connect the durability, and fixed base circle 7 rear end fixedly connected with spacing foundation ring 18, guard ring 11 is the ladder circle, and big footpath circle is in the front.

One specific application of this embodiment is: the utility model discloses a house steward joint 1 is connected this device in required position, closes one of them bifurcated pipe 2 through on-off valve 3 during the use and makes the corrugated metal pipe 4 who corresponds rather than be in the closed condition, another in use. When metal corrugated pipe 4 needs to be replaced, through opening the on-off valve 3 of closed state, make corresponding metal corrugated pipe 4 opened, close the metal corrugated pipe 4 of opposite side simultaneously, can rotate the guard ring 11 at its both ends this moment and make it move after, let out fixed pressing handle 8, then outwards rotate and pull open fixed pressing handle 8 with power, make the flat bottom ball 17 of holding screw 10 tip break away from removable flange 6, then extract removable flange 6 from reference column 12 and can dismantle metal corrugated pipe 4 both ends, then can take out through loosening clamping arm 15, install new corrugated pipe 4 in clamping arm 15 again, make things convenient for the butt joint at both ends, both sides metal corrugated pipe 4 plays the direction fixed action simultaneously, avoid its confusion.

With 6 butt joints of removable flange quasi-location post 12 and mounting flange 5, then rotate the parallel and pipe shaft lateral wall of fixed pressure handle 8, the flat ball 17 that compresses tightly screw rod 10 this moment presses on removable flange 6, compress tightly 5 lateral walls at mounting flange with it inwards simultaneously, can make flat ball 17 further push down through rotatory screw rod 10 and fasten removable flange 6, guarantee to compress tightly sealedly, then through forward rotation guard ring 11, including 8 packages of fixed pressure handle, thereby fixed pressure handle 8 can not be outwards rotated not hard up, and is fixed reliable. The installation is dismantled simply swiftly, and the opposite side is used in the change in-process, does not influence the use of whole device, does not influence production and goes on, need not to shut down.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a but metal bellows of online maintenance change which characterized in that: the pipe joint comprises two groups of main pipe joints (1), the bottom of each main pipe joint (1) is communicated with a bifurcated pipe (2), one group of the bifurcated pipes (2) is provided with an opening and closing valve (3), a corrugated metal pipe (4) is fixedly connected between the bifurcated pipes (2), the end parts of the bifurcated pipes (2) are fixedly connected with a fixed flange (5), two ends of the corrugated metal pipe (4) are fixedly connected with detachable flanges (6), the outer wall of each bifurcated pipe (2) is slidably connected with a fixed base ring (7), the end parts of the fixed base ring (7) are rotatably connected with a plurality of fixed pressing handles (8), the inner wall of each fixed pressing handle (8) is fixedly connected with a positioning base plate (9), the middle of each positioning base plate (9) is in threaded connection with a pressing screw rod (10), the pressing screw rods (10) are matched with the detachable flanges (6), and the outer wall of the fixed base ring (7) is in threaded connection with a protective ring (11), the protective ring (11) is matched with the fixed pressing handle (8).

2. The online repair and replacement metal bellows according to claim 1, wherein: the side wall of the fixed flange (5) is fixedly connected with a plurality of positioning columns (12), a plurality of positioning holes are formed in the middle of the detachable flange (6), and the positioning columns (12) are matched with the positioning holes.

3. The online repair and replacement metal bellows according to claim 1, wherein: be connected with two pipe clamps (13) between corrugated metal pipe (4), two pipe clamps (13) are including middle even board (14), middle even board (14) both sides are rotated and are connected with centre gripping arm (15), pass through the bolt fastening between centre gripping arm (15).

4. The online repair and replacement metal bellows according to claim 3, wherein: the clamping arm (15) is C-shaped, the two sides of the middle connecting plate (14) are arc-shaped edges and are attached to the metal corrugated pipe (4), and an elastic pad (16) is fixedly connected to the inner side of the clamping arm (15).

5. The online repair and replacement metal bellows according to claim 1, wherein: a plurality of mounting grooves are formed in the end portion of the fixed base ring (7), the fixed pressing handle (8) is located in the mounting grooves and is connected with the mounting grooves in a rotating mode, and a flat-bottom pressing ball (17) is fixedly connected to the end portion of the pressing screw rod (10).

6. The online repair and replacement metal bellows according to claim 1, wherein: the novel fork pipe is characterized in that an interface protection ring is fixedly connected inside the bifurcated pipe (2), a limiting bottom ring (18) is fixedly connected to the rear end of the fixed base ring (7), the protection ring (11) is a stepped ring, and a large-diameter ring is arranged in front of the protective ring.

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