CN210510729U

CN210510729U - Reinforcing and reinforcing structure of pipeline

Info

Publication number: CN210510729U
Application number: CN201921284182.4U
Authority: CN
Inventors: 曹小武; 李海军; 刘建新; 温晨
Original assignee: Shenzhen Aidakai Waterproof Engineering Co ltd
Current assignee: Shenzhen Aidakai Waterproof Engineering Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-12
Anticipated expiration: 2029-08-09

Abstract

The utility model belongs to the technical field of the pipeline maintenance technique and specifically relates to a reinforcement reinforced structure of pipeline, including interior bushing pipe and outer tube, the pipe wall outside of interior bushing pipe is equipped with the stainless steel strip, and the prelude of interior bushing pipe is equipped with two first fixed steel sheets and silica gel elastic sealing washer, is equipped with the prelude slip casting hole on the silica gel elastic sealing washer, and interior bushing pipe afterbody is equipped with the fixed steel sheet of second and semi-ring type silica gel strip, is equipped with afterbody slip casting hole on two silica gel strips, is equipped with the enhancement rib on the outer wall of outer tube, and the top symmetry of outer tube is equipped with mechanical high pressure and fills hole and the manual hole of pouring of thick liquid, the utility model discloses simple structure can carry out prevention of seepage reinforcement transformation to the sewage pipes that.

Description

Reinforcing and reinforcing structure of pipeline

Technical Field

The utility model relates to a pipeline maintenance technical field especially relates to a reinforcement reinforced structure of pipeline.

Background

In the period of water supply interruption and maintenance of urban water supply engineering from 2013 to 2016, the water leakage of pipelines of box culvert blow-down valve wells along the engineering is caused by corrosion and water leakage of the pipe walls of blow-down pipelines, and other blow-down pipelines along the engineering are considered to be products in the same period, the same problems of corrosion, damage, water leakage and the like can exist, in order to ensure the operation safety of the water supply project, the detection condition of box culvert along the line and the treatment experience in the next year are combined in the period of water cut-off and maintenance in recent years, according to the requirements of the water supply engineering water cut-off maintenance work outline scheme in 2018, the reinforcement and reinforcement treatment of the box culvert sewage discharge valve well and the sewage discharge pipe is planned, the reinforcing structure of the pipeline and the reinforcing method thereof solve the problems by relating to the conditions of lining reinforcing treatment, outsourcing reinforcing treatment and internal and external synchronous reinforcing treatment, having high integral replacement cost and long construction period and aiming at improving the efficiency and quality of construction engineering, reducing the construction cost and shortening the overhaul period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the blow off pipe maintenance that has box culvert blowoff well among the prior art and relating to inside lining reinforcement processing, outsourcing reinforcement processing and inside and outside synchronous reinforcement processing, but the whole replacement cost is high, the longer shortcoming of time limit for a project, and the reinforcement reinforced structure of a pipeline that proposes.

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

a reinforcement and reinforcement structure of a pipeline is designed, and comprises an inner lining pipe and an outer lining pipe, wherein the inner lining pipe and the outer lining pipe are respectively arranged on the inner side and the outer side of a sewage discharge pipeline, a plurality of stainless steel bars are fixedly arranged on the outer side of the pipe wall of the inner lining pipe in an equal distance mode, two first fixed steel sheets which are symmetrically arranged are fixedly arranged at the head end part of the inner lining pipe, two semicircular silica gel elastic sealing rings which are bilaterally symmetrical are fixedly arranged between the two first fixed steel sheets through glue joint, head grouting holes are respectively arranged between the opposite top parts and the opposite bottom parts of the two silica gel elastic sealing rings, a second fixed steel sheet is fixedly arranged at the tail part of the inner lining pipe, one side of the second fixed steel sheet is fixedly provided with two semicircular silica gel strips which are bilaterally symmetrical through glue joint, tail grouting holes are respectively arranged between the opposite top parts and the, the outer wall of the outer sleeve is equidistantly and fixedly provided with a plurality of reinforcing ribs, and the top of the outer sleeve is symmetrically provided with a mechanical high-pressure filling hole and a manual slurry filling hole.

Preferably, the lining pipe is a stainless steel pipe structure with an outer diameter of 380mm, a thickness of 2mm and a length of 2500mm, the width of the stainless steel strip is 100mm, the thickness of the stainless steel strip is 2mm, the distance between every two adjacent stainless steel strips is 550mm, the distance between the ports of the stainless steel strips at the two ends of the lining pipe is 100mm, and the stainless steel strips are tightly attached to the outer wall of the lining pipe and are welded and fixed in a seamless mode in the direction perpendicular to the axis of the lining pipe.

Preferably, the width of the silica gel elastic sealing ring is 30mm, the minimum compression thickness is 10mm, and the gap width of the head grouting hole is 20 mm.

Preferably, the silica gel strip sets up in apart from lining pipe tail end face 100mm department, the width of silica gel strip is 30mm, the minimum thickness of compression is 10mm, the clearance width in afterbody slip casting hole is 10 mm.

Preferably, the outer tube is 460mm, thickness 1.5 mm's semi-circular tool structure for the external diameter, the width of strengthening the rib is 12mm, thickness is 2mm, the diameter that the hole was filled to mechanical high pressure is 14mm, the manual injection diameter that fills the hole of thick liquid is 50mm, the manual diameter of sealing that fills the hole of thick liquid is 14mm, two the avris of outer tube is all fixed and is equipped with butt joint limit, two butt joint mutually the butt joint is equipped with the PVC sealing strip between the butt joint limit, the butt joint edge reaches all be equipped with a plurality of bolt holes that run through on the PVC sealing strip, two the outer tube passes through to butt joint limit and locking bolt realize detachable connection.

Preferably, the parts of the two ends of the outer sleeve, which are contacted with the concrete wall, are subjected to rigid compaction and reinforcement treatment by using the nano-microcrystalline rapid plugging agent, and a slope angle structure with the R being 100 is formed at the joint part.

The utility model provides a reinforcing and strengthening structure of pipeline, beneficial effect lies in: the utility model discloses construction simple process, low in maintenance cost is honest and clean and through setting up interior bushing pipe and outer tube respectively and filling the waterproof grout material of compound polymer elasticity in the sewage pipes inside and outside wall, has promoted sewage pipes structural strength and life when maintaining sewage pipes corrosion and leaking.

Drawings

Fig. 1 is a schematic structural view of a reinforcing structure of a pipeline according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a reinforcing structure of a pipeline according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure: the device comprises an inner lining pipe 1, a sewage discharge pipeline 2, a stainless steel bar 3, a silica gel elastic sealing ring 4, a head grouting hole 5, a first fixing steel sheet 6, an outer sleeve 7, a mechanical high-pressure grouting hole 8, a reinforcing rib 9, a manual grout grouting hole 10, a butt joint edge 11, a locking bolt 12, a PVC sealing strip 13, a silica gel strip 14, a tail grouting hole 15 and a second fixing steel sheet 16.

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.

Example one

Referring to fig. 1-4, a reinforcing and reinforcing structure for a pipeline comprises a lining pipe 1, wherein the lining pipe 1 is arranged on the inner side of a sewage discharge pipeline 2, a plurality of stainless steel bars 3 are uniformly and fixedly arranged on the outer side of the pipe wall of the lining pipe 1 at equal intervals, two first fixed steel sheets 6 which are symmetrically arranged are fixedly arranged at the head end part of the lining pipe 1, two semicircular silica gel elastic sealing rings 4 which are bilaterally symmetrical are fixedly arranged between the two first fixed steel sheets 6 through glue joint, head grouting holes 5 are respectively arranged between the opposite top and bottom parts of the two silica gel elastic sealing rings 4, the width of the silica gel elastic sealing ring 4 is 30mm, the minimum compression thickness is 10mm, the gap width of the head grouting hole 5 is 20mm, a second fixed steel sheet 16 is fixedly arranged at the tail part of the lining pipe 1, two semicircular silica gel strips 14 which are bilaterally symmetrical are fixedly arranged on one side of the second fixed steel sheet 16 through glue joint, tail grouting holes 15 are respectively arranged, the setting of silica gel strip 14 is in the 100mm department of the 1 tail end face in the bushing pipe in the distance, the width of silica gel strip 14 is 30mm, the minimum thickness of compression is 10mm, the clearance width in afterbody slip casting hole 15 is 10mm, bushing pipe 1 is external diameter 380mm, thickness is 2mm, length is 2500 mm's nonrust steel tubular construction, 3 width of stainless steel strip are 100mm, thickness is 2mm, 3 intervals of adjacent stainless steel strip are 550mm, the distance of 3 equal ports of stainless steel strip at 1 both ends in the bushing pipe is 100mm, stainless steel strip 3 hugs closely the outer wall of bushing pipe 1 and carries out seamless welded fastening with the 1 axle center direction in the bushing pipe in the perpendicular.

When the lining pipe 1 is reinforced, the working face ventilation and illumination working face is illuminated, a 30KW diesel engine is used for generating electricity on site, the working face illumination and the power setting are carried out, the water retaining cofferdams are built on two sides of a box culvert bottom plate near the working face, the width of the working face of the cofferdam in the box culvert is 2.5 meters, and the integral cleaning treatment is carried out after accumulated water and sludge in the cofferdam are removed. Then, the manufactured protective sleeve, tools, jigs, materials and the like are moved into a working surface to be put into use, silted sludge inside the damaged sewage pipeline 2 is dug out and cleaned, then the inner wall surface of the sewage pipeline is washed by a high-pressure water gun, ventilation and drying treatment is carried out after the cleaning, mechanical polishing treatment is carried out, dirt and corrosion parts on the surface of the sewage pipeline are ground by an electric arm-stretching type hand grinder, a clean new surface is exposed on the surface of the pipeline, the pipeline is smooth and flat, then the inner wall of the sewage pipeline is cleaned again by the high-pressure water gun, accumulated water in the pipeline is wiped by a ragged towel and the like, the parallelism and the flatness of the box culvert bottom plate and the sewage pipeline 2 are confirmed, if the requirements cannot be met, the box culvert bottom plate needs to be leveled and polished, and the inner lining pipe 1 sealed by the end silica gel elastic sealing ring 4 is arranged in the sewage pipeline 2 on one side of, the lining pipe 1 is driven into a sewage pipeline 2 by a heavy hammering mode, after the lining pipe is inserted in place, the two ends of the lining pipe are secondarily sealed by silica gel strips 14 and silica gel elastic sealing rings 4 in combination with a nano-microcrystal quick plugging agent, a head grouting hole 5 and a tail grouting hole 15 are respectively drilled, corresponding grouting nozzles are simultaneously installed, grouting materials are prepared on site, composite high-molecular super-elastic waterproof grouting plugging agents are respectively injected from the grouting nozzles at the bottoms of the two ends of the lining pipe 1 by a high-pressure grouting machine, a continuous injection mode is adopted, the condition changes of the inside and the outside and the end of the lining pipe 1 are observed while grouting operation is carried out, when the injected grout reaches the design consumption and overflows from the top grouting hole, the grouting nozzles are installed in the top grouting hole and grout is injected from the top, the rising change of a pressure gauge is simultaneously observed, and when the grouting pressure reaches 0.1Mp, and (3) stopping grouting temporarily, observing the pressure change of the internal slurry displayed by the pressure gauge, finishing grouting operation construction when the pressure reaches a stable state, carrying out 24-hour maintenance operation after grouting operation is finished, removing the water retaining cofferdam material after the operation is finished, and cleaning garbage.

Example two

Referring to fig. 1-4, a reinforcing and reinforcing structure for a pipeline, comprising an outer sleeve 7, the outer sleeve 7 is arranged outside a sewage pipeline 2, the outer sleeve 7 is formed by two semicircular jigs which are detachably connected in an involution manner, a plurality of reinforcing ribs 9 are uniformly distributed and fixed on the outer wall of the outer sleeve 7, a mechanical high-pressure filling hole 8 and a manual grout filling hole 10 are symmetrically arranged on the top of the outer sleeve 7, the outer sleeve 7 is of a semicircular jig structure with an outer diameter of 460mm and a thickness of 1.5mm, the reinforcing ribs 9 are 12mm in width and 2mm in thickness, the mechanical high-pressure filling hole 8 is 14mm in diameter, the manual grout filling hole 10 is 50mm in injection diameter, the grout filling hole 10 is 14mm in sealing diameter, butt edges 11 are fixed on the lateral sides of the two outer sleeves 7, a PVC sealing strip 13 is clamped between the two butt edges 11, a plurality of bolt holes are arranged on the butt edges 11 and the PVC sealing strip 13, the two outer sleeves 7 are detachably connected through butt joint edges 11 and locking bolts 12, the parts of the two ends of the outer sleeves 7, which are contacted with the concrete wall, are subjected to rigid compaction and reinforcement treatment by using a nano-microcrystalline quick plugging agent, and a slope angle structure with the R being 100 is formed at the joint part.

When the outer sleeve 7 is reinforced, firstly, the surface layer of the damaged sewage pipeline 2 is mechanically polished, a manual grinder is used for grinding off the dirt on the surface, and the surface of the sewage pipeline 2 is exposed out of the new surface of the original resin protective layer, so as to achieve the flatness and smoothness, the prefabricated outer sleeve 7 is subjected to on-site combination processing, a reinforcing rib 9 is welded on the outer wall of the outer sleeve 7, bolt holes are drilled on a butt joint edge 11, a mechanical high-pressure filling hole 8 and a slurry manual filling hole 10 are respectively drilled on the outer sleeve 7, the bottom end part of the manufactured outer sleeve 7 is fixedly provided with a water-stopping needle head, then a PVC sealing strip 13 is adhered to the inner side of the butt joint edge 11 by using structural nail-free glue, the PVC sealing strip 13 is drilled at the positions opposite to the bolt holes so as to achieve a through state, then the outer sleeve 7 is oppositely jointed on the outer wall side of the sewage pipeline 2 by using a locking bolt 12, and the rigid compaction and reinforcement is carried out on the parts, which, a slope angle with R being 100 is made at the connection part, composite polymer elastic waterproof grouting material is poured from a grout manual filling hole 10 of an outer sleeve 7 until the grout is discharged from an exhaust hole, namely a mechanical high-pressure filling hole 8, then the composite polymer elastic waterproof grouting material is filled from a reserved bottom mechanical high-pressure filling hole 8 of the outer sleeve 7 by using a high-pressure grouting machine, when the filled grout overflows from the top grout manual filling hole 10, a grouting nozzle is arranged in the top grout manual filling hole 10, grout filling is carried out, the rising change of a pressure gauge is observed, when the grouting pressure reaches 0.3Mp, grouting is stopped temporarily, the internal grout pressure change displayed by the pressure gauge is observed, when the pressure reaches stable pressure, grouting operation construction is finished, and after the grouting operation is finished, maintenance operation is carried out, a special person is arranged to be responsible for opening a pump to control the water level during the period, and the seepage level of underground water cannot rise to the height of more than 2 meters above a working face, when the working surface sewage discharge pipeline 2 is maintained for 12 hours in a moistening mode, accumulated water in a foundation pit of the working surface is drained, the surface of the outer sleeve 7 is dried, then special modified epoxy anticorrosive glue made of imported raw materials is coated for five times, the thickness of a formed film reaches more than 1.2mm, and then the film is dried and maintained for 24 hours.

The utility model discloses construction simple process, low in maintenance cost is honest and clean and through setting up bushing pipe 1 and outer tube 7 respectively and filling the waterproof grout material of compound polymer elasticity in sewage pipes 2 inside and outside walls, has promoted 2 structural strength of sewage pipes and life when maintaining 2 corrosion of sewage pipes and leaking.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A reinforcing and reinforcing structure of a pipeline comprises an inner lining pipe (1) and an outer sleeve (7), wherein the inner lining pipe (1) and the outer sleeve (7) are respectively arranged on the inner side and the outer side of a sewage discharge pipeline (2), and the reinforcing and reinforcing structure is characterized in that a plurality of stainless steel bars (3) are fixedly arranged on the outer side of the pipe wall of the inner lining pipe (1) at equal intervals, two first fixed steel sheets (6) symmetrically arranged are fixedly arranged at the head end part of the inner lining pipe (1), two semicircular silica gel elastic sealing rings (4) which are bilaterally symmetrical are fixedly arranged between the first fixed steel sheets (6) through glue joint, head grouting holes (5) are respectively arranged at the top and the bottom parts which are opposite to each other of the two silica gel elastic sealing rings (4), a second fixed steel sheet (16) is fixedly arranged at the tail part of the inner lining pipe (1), and two semicircular silica gel strips (14) which are bilaterally symmetrical are fixedly, two all be equipped with afterbody slip casting hole (15) between the relative top of silica gel strip (14) and bottom, outer tube (7) are two semi-circular tools and close detachable connection formation, the equidistance is equallyd divide equally on the outer wall of outer tube (7) and is fixedly equipped with a plurality of enhancement ribs (9), the top symmetry of outer tube (7) is equipped with mechanical high pressure and pours into hole (8) and manual hole (10) of pouring into of thick liquid.

2. A reinforcing and strengthening structure for pipes according to claim 1, wherein said inner lining pipe (1) is a stainless steel pipe structure with an outer diameter of 380mm, a thickness of 2mm and a length of 2500mm, said stainless steel strips (3) have a width of 100mm and a thickness of 2mm, the distance between adjacent stainless steel strips (3) is 550mm, the distance between the ends of the stainless steel strips (3) at the two ends of said inner lining pipe (1) is 100mm, said stainless steel strips (3) are tightly attached to the outer wall of said inner lining pipe (1) and are welded and fixed in a seamless manner in the direction perpendicular to the axial direction of said inner lining pipe (1).

3. The reinforcing and reinforcing structure for pipes according to claim 1, characterized in that said silicone elastic sealing ring (4) has a width of 30mm and a minimum thickness of 10mm in compression, and said head grouting holes (5) have a gap width of 20 mm.

4. The reinforcing and strengthening structure of a pipe according to claim 1, characterized in that said silicone strip (14) is placed at a distance of 100mm from the end face of said inner lining tube (1), said silicone strip (14) having a width of 30mm, a minimum thickness of compression of 10mm, and said tail grouting holes (15) having a gap width of 10 mm.

5. The reinforcing and strengthening structure for pipes according to claim 1, wherein said outer sleeve (7) is a semicircular jig structure with an outer diameter of 460mm and a thickness of 1.5mm, the width of the reinforcing rib (9) is 12mm, the thickness is 2mm, the diameter of the mechanical high-pressure pouring hole (8) is 14mm, the injection diameter of the manual grout injection hole (10) is 50mm, the sealing diameter of the manual grout injection hole (10) is 14mm, butt joint edges (11) are fixedly arranged on the sides of the two outer sleeves (7), a PVC sealing strip (13) is clamped between the two butt joint edges (11), the butt joint limit (11) is gone up and all be equipped with a plurality of bolt holes that run through on PVC sealing strip (13), two outer tube (7) pass through butt joint limit (11) and locking bolt (12) realize detachable the connection.

6. The reinforcing and reinforcing structure for pipeline according to claim 1, wherein the contact part between the two ends of the outer casing (7) and the concrete wall is rigidly and compactly reinforced with nano-microcrystalline rapid plugging agent, and a slope angle structure with R-100 is formed at the joint part.