CN213039996U

CN213039996U - Prestressed metal corrugated pipe

Info

Publication number: CN213039996U
Application number: CN202021481121.XU
Authority: CN
Inventors: 李建清
Original assignee: Quzhou Kaishun Waterproof And Drainage Materials Co ltd
Current assignee: Quzhou Kaishun Waterproof And Drainage Materials Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-23
Anticipated expiration: 2030-07-24

Abstract

The technical scheme of the utility model is realized like this: a prestressed metal corrugated pipe comprises a steel pipe and a corrugated pipe sleeved on the steel pipe, wherein a concrete reinforcing layer is arranged between the steel pipe and the corrugated pipe, a glass lining is further arranged in the steel pipe, connecting mechanisms are arranged at two ends of the steel pipe and comprise a fixing ring and an inserting ring, the inserting ring comprises a left inserting ring and a right inserting ring, and the left inserting ring and the right inserting ring are arranged on one side, away from the glass lining, of the fixing ring; resin waterproof coatings are coated on the surfaces of the inner side and the outer side of the left inserting ring and the right inserting ring; flanges are fixed on two sides of the corrugated pipe; the utility model has the advantages that: structural strength is high, and the connection between the pipeline is stable, and moisture is difficult for permeating.

Description

Prestressed metal corrugated pipe

Technical Field

The utility model belongs to the technical field of the bellows technique and specifically relates to a prestressing force corrugated metal pipe.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like; the metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like; the metal corrugated pipe has the advantages of convenient construction, high strength, difficult damage and the like; the traditional connection mode of the prestressed metal corrugated pipe is that angle steel flanges are welded at two ends of the corrugated pipe, adjacent metal corrugated pipes are connected by adopting the angle steel flanges, and the phenomenon of water seepage exists in the drainage process of the metal corrugated pipe only by adopting the connection mode of the flanges; meanwhile, the inner pipe of the existing metal corrugated pipe is easy to corrode in the drainage process, and even water leakage occurs in severe cases.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a prestressing force corrugated metal pipe, structural strength is high, and the junction is difficult for the infiltration.

The technical scheme of the utility model is realized like this: a prestressed metal bellows, characterized in that: the concrete reinforcing structure comprises a steel pipe and a corrugated pipe sleeved on the steel pipe, wherein the steel pipe and the corrugated pipe are arranged at intervals, cement mortar is filled in the intervals to form a concrete reinforcing layer, a glass lining is further arranged in the steel pipe, and the glass lining is fixed on the inner side wall of the steel pipe; the glass lining connecting structure comprises a steel pipe and is characterized in that connecting mechanisms are arranged at two ends of the steel pipe, each connecting mechanism comprises a fixing ring and a plugging ring arranged on the fixing ring, the fixing rings are arranged at the left end and the right end in the steel pipe, the fixing rings are arranged in the steel pipe and are fixedly connected with the steel pipe, each plugging ring comprises a left plugging ring and a right plugging ring which are respectively arranged at the left side and the right side of the steel pipe and can be plugged with each other, and the left plugging ring and the right plugging ring are arranged at one sides of the fixing rings, which; resin waterproof coatings are coated on the surfaces of the inner side and the outer side of the left inserting ring and the right inserting ring; flanges are fixed on two sides of the corrugated pipe, are positioned on the outer side of the connecting mechanism and are fixedly connected with the corrugated pipe and the steel pipe.

Preferably: the inside spacing ring that still is provided with of steel pipe, the spacing ring sets up at glass inside lining inboard and contacts with solid fixed ring and glass inside lining, set up a plurality of through-holes that run through each other on spacing ring and the solid fixed ring, the spacing ring passes the through-hole through the bolt and is connected with the fixed block.

Preferably: the quantity of left side grafting ring and right grafting ring is not less than two, and is provided with the inserting groove between adjacent grafting ring to left grafting ring is the example, and two left grafting rings that close on cooperate with solid fixed ring three and form the inserting groove that supplies right grafting ring to get into between two left grafting rings, be provided with spring and block rubber in the inserting groove, the one end of spring is fixed on solid fixed ring, the other end and the block rubber fixed connection of this spring, the block rubber contacts with right grafting ring.

Preferably: and a sealing gasket is arranged on the contact surface of the rubber block and the plug-in ring.

Preferably: the contact surface of the sealing gasket and the plug-in ring is corrugated.

The utility model has the advantages that: the utility model has the advantages that the whole structural strength of the corrugated pipe is enhanced through the steel pipe and the concrete reinforcing layer, the integral deformation of the corrugated pipe when external impact is received is avoided, the whole corrugated pipe is damaged, and the water seepage phenomenon is caused, and the compression resistance, the tensile strength and the shear strength of the metal corrugated pipe are improved; the glass lining is arranged differently from a metal material, so that the glass lining is not easy to corrode in drainage and transportation, the metal corrugated pipe is prevented from being damaged, and the smooth inner wall of the glass lining is convenient for drainage and transportation; the setting of coupling mechanism, when utilizing flange joint, through the mutual grafting connection setting of left grafting ring and right grafting ring, when strengthening joint strength, form the multichannel and hinder, reduce the seepage of moisture, improve sealed effect.

Drawings

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

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection mechanism in a connection state according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

the examples in the figure are: 1. the concrete sealing structure comprises a steel pipe, 2, a corrugated pipe, 3, a concrete reinforcing layer, 4, a glass lining, 5, a fixing ring, 6, a left inserting ring, 7, a right inserting ring, 8, a flange, 9, a limiting ring, 10, a bolt, 11, an inserting groove, 12, a spring, 13, a rubber block, 14 and a sealing gasket.

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 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.

Example 1

As shown in fig. 1, the utility model discloses a prestressed metal corrugated pipe 2, in the specific embodiment of the utility model, including steel pipe 1 and bellows 2 that cover-mounted on steel pipe 1, set up and pack cement mortar in the interval and form concrete back up coat 3 between steel pipe 1 and bellows 2 at an interval, still be provided with glass inside lining 4 in the steel pipe 1, glass inside lining 4 bonds and fixes on the inside wall of steel pipe 1; the connecting mechanism is arranged at two ends of the steel pipe 1 and comprises a fixing ring 5 and inserting rings arranged on the fixing ring 5, the fixing rings 5 are arranged at the left end and the right end inside the steel pipe 1, the fixing rings 5 are arranged inside the steel pipe 1 and fixedly connected with the steel pipe 1, the fixing rings 5 are welded and fixed with the steel pipe 1, the inserting rings are welded and fixed with the fixing rings 5, the inserting rings comprise a left inserting ring 6 and a right inserting ring 7 which are respectively arranged at the left side and the right side of the steel pipe 1 and can be inserted into each other, and the left inserting ring 6 and the right inserting ring 7 are arranged at one side, far away from the glass lining 4, of the fixing ring 5; resin waterproof coatings are coated on the surfaces of the inner side and the outer side of the left inserting ring 6 and the right inserting ring 7; flanges 8 are fixed on two sides of the corrugated pipe 2, and the flanges 8 are located on the outer side of the connecting mechanism and are welded and fixed with the corrugated pipe 2 and the steel pipe 1.

Through the technical scheme, the overall structural strength of the corrugated pipe is enhanced through the steel pipe and the concrete reinforcing layer, the water seepage phenomenon caused by overall damage due to overall deformation of the corrugated pipe when external impact is applied is avoided, and the compression strength, the tensile strength and the shear strength of the metal corrugated pipe are improved; the glass lining is arranged differently from a metal material, so that the glass lining is not easy to corrode in drainage and transportation, the metal corrugated pipe is prevented from being damaged, and the smooth inner wall of the glass lining is convenient for drainage and transportation; the setting of coupling mechanism, when utilizing flange joint, through the mutual grafting connection setting of left grafting ring and right grafting ring, when strengthening joint strength, form the multichannel and hinder, reduce the seepage of moisture, improve sealed effect.

In this embodiment, steel pipe 1 is inside still to be provided with spacing ring 9, spacing ring 9 sets up and contacts in 4 inboards of glass inside lining and with solid fixed ring 5 and glass inside lining 4, set up a plurality of through-holes that run through each other on spacing ring 9 and the solid fixed ring 5, spacing ring 9 passes the through-hole through bolt 10 and is connected with the fixed block.

Through above-mentioned technical scheme, the glass inside lining is blocked from both sides in the setting of spacing ring, avoids the glass inside lining to slide in inside, guarantees that the connection of glass inside lining and steel pipe is stable, stability when improving the corrugated metal pipe use.

Example 2

As shown in fig. 2 and 3, unlike the above-described embodiment: in this embodiment, the quantity of left grafting ring 6 and right grafting ring 7 is not less than two, and is provided with inserting groove 11 between adjacent grafting ring to left grafting ring 6 is taken as an example, and two left grafting rings 6 that close to cooperate with solid fixed ring 5 three and form inserting groove 11 that supplies right grafting ring 7 to get into between two left grafting rings 6, be provided with spring 12 and block rubber 13 in inserting groove 11, the one end of spring 12 is fixed on solid fixed ring 5, the other end and the block rubber 13 fixed connection of this spring 12, block rubber 13 contacts with right grafting ring 7.

Through above-mentioned technical scheme, through set up spring and block rubber in the inserting groove between adjacent grafting ring, extrude the block rubber with the block rubber contact after do the grafting ring and the mutual grafting of right grafting ring, elasticity through the spring makes block rubber and grafting ring in close contact with stifled gap of dying, further improves sealed effect, prevents the infiltration of moisture.

In this embodiment, a sealing gasket 14 is disposed on a contact surface of the rubber block 13 and the insert ring, and the sealing gasket 14 is adhered to the rubber block 13.

Through above-mentioned technical scheme, further stifled gap between the grafting ring through setting up sealed pad, further improve prevention of seepage performance, avoid the infiltration of junction moisture.

In this embodiment, the contact surface between the gasket 14 and the insert ring is corrugated, and a plurality of protrusions are formed on the contact surface between the gasket 14 and the insert ring.

Through above-mentioned technical scheme, set up to corrugate formation arch at the sealed interface that fills up with the grafting ring, and the spring makes sealed pad and grafting ring extrusion, forms multichannel barrier that blocks water through the arch, avoids the moisture process, further improves corrugated metal pipe's impervious performance.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A prestressed metal bellows, characterized in that: the concrete reinforcing structure comprises a steel pipe and a corrugated pipe sleeved on the steel pipe, wherein the steel pipe and the corrugated pipe are arranged at intervals, cement mortar is filled in the intervals to form a concrete reinforcing layer, a glass lining is further arranged in the steel pipe, and the glass lining is fixed on the inner side wall of the steel pipe; the glass lining connecting structure comprises a steel pipe and is characterized in that connecting mechanisms are arranged at two ends of the steel pipe, each connecting mechanism comprises a fixing ring and a plugging ring arranged on the fixing ring, the fixing rings are arranged at the left end and the right end in the steel pipe, the fixing rings are arranged in the steel pipe and are fixedly connected with the steel pipe, each plugging ring comprises a left plugging ring and a right plugging ring which are respectively arranged at the left side and the right side of the steel pipe and can be plugged with each other, and the left plugging ring and the right plugging ring are arranged at one sides of the fixing rings, which; resin waterproof coatings are coated on the surfaces of the inner side and the outer side of the left inserting ring and the right inserting ring; flanges are fixed on two sides of the corrugated pipe, are positioned on the outer side of the connecting mechanism and are fixedly connected with the corrugated pipe and the steel pipe.

2. A pre-stressed metal bellows according to claim 1, wherein: the inside spacing ring that still is provided with of steel pipe, the spacing ring sets up at glass inside lining inboard and contacts with solid fixed ring and glass inside lining, set up a plurality of through-holes that run through each other on spacing ring and the solid fixed ring, the spacing ring passes the through-hole through the bolt and is connected with the fixed block.

3. A pre-stressed metal bellows according to claim 1, wherein: the quantity of left side grafting ring and right grafting ring is all not less than two to left grafting ring is the example, and two left grafting rings that close on cooperate with solid fixed ring three and form the inserting groove that supplies right grafting ring to get into between two left grafting rings, be provided with spring and block rubber in the inserting groove, the one end of spring is fixed on solid fixed ring, the other end and the block rubber fixed connection of this spring, the block rubber contacts with right grafting ring.

4. A pre-stressed metal bellows according to claim 3, wherein: and a sealing gasket is arranged on the contact surface of the rubber block and the plug-in ring.

5. The pre-stressed metal bellows of claim 4, wherein: the contact surface of the sealing gasket and the plug-in ring is corrugated.