CN111593741A - Pipeline groove supporting device and construction method - Google Patents
Pipeline groove supporting device and construction method Download PDFInfo
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- CN111593741A CN111593741A CN202010551885.XA CN202010551885A CN111593741A CN 111593741 A CN111593741 A CN 111593741A CN 202010551885 A CN202010551885 A CN 202010551885A CN 111593741 A CN111593741 A CN 111593741A
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- groove
- support
- pipeline
- supporting device
- pipe
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 10
- 238000009412 basement excavation Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 7
- 239000011378 shotcrete Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
- E02D17/083—Shoring struts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a pipeline groove supporting device which comprises two protection plates and a plurality of horizontal steel supports, wherein the two protection plates are arranged oppositely, vertical adjusting supports are arranged on two sides of each protection plate, a plurality of height adjusting holes are distributed in the vertical adjusting supports, and the horizontal steel supports are arranged between the two protection plates and are connected with the height adjusting holes in the vertical adjusting supports through bolts. The invention also discloses a construction method adopting the pipeline groove supporting device. The pipeline groove supporting device is simple in structure, capable of being used repeatedly, safe and reliable, convenient and efficient in construction method, short in construction period and low in cost.
Description
Technical Field
The invention relates to a pipeline construction supporting technology, in particular to a pipeline groove supporting device and a construction method.
Background
The groove supporting refers to supporting, reinforcing and protecting measures adopted for the side wall of the groove and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the groove, and the groove needs to be supported in the pipeline construction process. At present, a large excavation method is mostly adopted for pipeline construction, the original pavement demolishing area is large, the pavement restoration period is long, a large amount of manpower and material resources are consumed, when a limited area of a field is met and the requirement of a large excavation operation surface cannot be met, pipe jacking and pipe tamping construction are mostly adopted, but the construction period can be obviously prolonged, and the construction cost is greatly improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pipeline groove supporting device and a construction method, and solves the problems of long construction period and high construction cost of the groove supporting when the pipeline construction working face is narrow.
In order to achieve the above purpose, the device of the invention is realized by the following technical scheme:
the utility model provides a pipeline groove supporting device, includes two backplate and a plurality of horizontal steel shotcrete, and two backplate set up relatively, and the backplate both sides all are provided with vertical adjustment and support, and vertical adjustment supports and goes up to distribute has a plurality of altitude mixture control holes, and horizontal steel shotcrete sets up between two backplates to with vertical adjustment support on the altitude mixture control hole bolted connection.
Adopt above-mentioned technical scheme's device, compare with prior art, beneficial effect is: the device simple structure can have enough to meet the need the use, and safe and reliable can not only reduce the destruction scope to original road surface under the narrow, the tight condition of time limit for a project of construction operation face, also can reach the effect of shortening the time limit for a project, saving cost.
Further, the vertical adjusting support comprises a vertical plate with a height adjusting hole and a top plate arranged at the top end of the vertical plate.
Further, horizontal steel shotcrete includes the vaulting pole and sets up the end of dismantling at the vaulting pole both ends.
Furthermore, the supporting rods are made of H-shaped steel, the shaping stiffening plates are arranged between the upper flange plate and the lower flange plate of the H-shaped steel and symmetrically arranged along the two sides of the H-shaped steel, and end plates are arranged at the two ends of the H-shaped steel.
Furthermore, the detachable end comprises an end support pipe and an auxiliary support pipe, one end of the end support pipe is connected with the end plate through a bolt, the other end of the end support pipe is provided with a bolt connector, the bolt connector is connected with a height adjusting hole on the vertical adjusting support through the bolt connector, the upper surface and the lower surface of the end support pipe are respectively connected with one end of the auxiliary support pipe, and the other end of the auxiliary support pipe is provided with a bolt connector, and the bolt connector is connected with the height adjusting hole on the vertical adjusting support through the bolt connector.
Further, the backplate comprises frame and plate body, and the frame adopts four channel-section steels welding to form, and the plate body is formed by many horizontal square tubes welding side by side.
Further, the vertical adjusting support is welded on the frame of the guard plate.
A construction method adopting the pipeline groove supporting device is carried out according to the following steps:
1) adopting machinery to carry out groove excavation;
2) two guard plates provided with vertical adjusting supports are erected on the ground outside the groove by using a crane, two ends of a horizontal steel support are manually connected into corresponding height adjusting holes of the vertical adjusting supports by using bolts respectively, and the bolts are screwed down;
3) when the mechanical excavation is carried out to the height above the pipe bottom elevation by 0.2-0.3 m, stopping the mechanical operation, integrally hoisting the first set of pipeline groove supporting device into the groove by a crane to a position 0.4-0.6 m away from the groove bottom, then manually excavating and cleaning the groove by a worker when the groove cleaning is finished, pressing the first set of pipeline groove supporting device to the groove bottom, and then laying a pipeline;
4) hoisting a second set of pipeline groove supporting devices into the groove according to the method in the step 3), laying another adjacent pipeline, processing the joint part of the two sections of pipelines, hoisting the first set of pipeline groove supporting devices to the rear of the next working section after the processing is finished, and thus repeatedly completing the construction of the whole working section;
5) and after all the sections are constructed, lifting the pipeline groove supporting device out of the groove, and transporting the pipeline groove supporting device to a storehouse for storage after the pipeline groove supporting device is disassembled for repeated use in the next project.
Compared with the prior art, the construction method adopting the technical scheme has the beneficial effects that: the construction is simple and convenient, and good support can be rapidly realized under the conditions of narrow construction operation surface, tight construction period and more dense constructors, so that the stability of the groove slope and the safety of the constructors are ensured.
Further, when the joint part of the two sections of pipelines needs to be provided with an inspection well, a third set of pipeline groove supporting device is hung into the groove according to the method in the step 3) to preset the position of the inspection well.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline trench supporting device in an embodiment of the invention.
FIG. 2 is a schematic view of a horizontal steel support structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a vertical adjustment support structure in an embodiment of the invention.
FIG. 4 is a schematic view of a guard plate structure according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, a pipeline groove supporting device comprises two protection plates 1 and a plurality of horizontal steel supports 2, wherein the two protection plates 1 are arranged oppositely, vertical adjusting supports 3 are arranged on two sides of each protection plate 1, a plurality of height adjusting holes 31 are distributed on the vertical adjusting supports 3, and the horizontal steel supports 2 are arranged between the two protection plates 1 and are connected with the height adjusting holes 31 on the vertical adjusting supports 3 through bolts. A plurality of horizontal steel shotcrete 2 sets up along the direction of height, and height adjustment hole 31 makes things convenient for horizontal steel shotcrete 2 to adjust from top to bottom.
Referring to fig. 2, the horizontal steel support 2 includes a supporting rod 21 and detachable ends disposed at two ends of the supporting rod 21.
The support rods 21 are made of H-shaped steel, the shaping stiffening plates 22 are arranged between the upper flange plate and the lower flange plate of the H-shaped steel, the shaping stiffening plates 22 are symmetrically arranged along two sides of the H-shaped steel, and end plates 23 are arranged at two ends of the H-shaped steel. The shaping stiffening plates 22 are flush with the outer edges of the upper and lower flange plates of the H-shaped steel, and the distance between the adjacent shaping stiffening plates 22 on the same side of the H-shaped steel is 600 mm.
Wherein, the end of dismantling includes end stay tube 24 and supplementary stay tube 25, 24 one ends of end stay tube and 23 bolted connections of end board, and the other end is equipped with bolted connection head 26 to through bolted connection head 26 and the height control hole 31 bolted connection on the vertical adjustment support 3, the upper and lower surface of end stay tube 24 is connected with a supplementary stay tube 25 one end respectively, the supplementary stay tube 25 other end is equipped with bolted connection head 26, and through bolted connection head 26 and the height control hole 31 bolted connection on the vertical adjustment support 3.
Referring to fig. 3, the vertical adjusting support 3 includes a vertical plate 32 having a height adjusting hole 31 and a top plate 33 disposed at the top end of the vertical plate 32.
Referring to fig. 4, the guard plate 1 is composed of a frame 11 and a plate body 12, wherein the frame 11 is formed by welding four channel steels, and the plate body 12 is formed by welding a plurality of transverse square tubes side by side. The vertical adjusting support 3 is welded on the frame 11 of the guard plate 1.
In the embodiment of the invention, the thicknesses of the vertical plate 32 and the top plate 33 in the vertical adjusting support 3 are both 10mm, the diameter of the height adjusting hole 31 is 20mm, and the hole distance is 100 mm; the stay bar 21 is made of H-shaped steel with the model number of HW125x125x6.5x9, and the end plate 23 is a square plate of 125x125x8 mm; the end supporting tube 24 is made of a transverse steel tube with the diameter of 60x6mm and the length of 170mm, one end of the transverse steel tube is welded with a circular plate with the diameter of 50mm, round holes with the diameter of 15mm are formed in the circular plate and the end plate 23, the circular plate and the round holes of the end plate 23 are connected through bolts, and a small round ring with the diameter of 15mm is welded on the upper surface and the lower surface of the transverse steel tube at a position 70mm away from the circular plate; the auxiliary supporting tube 25 is a steel tube with the diameter of 50x5mm, a small semicircular head plate with a circular hole with the diameter of 15mm is welded at one end of the auxiliary supporting tube 25 and is connected with a small circular ring bolt on the end supporting tube 24, bolt connectors 26 are welded at the other end of the end supporting tube 24 and the other end of the auxiliary supporting tube 25, and each bolt connector 26 is composed of a blocking plate with the thickness of 60x10mm and two square plates with the thickness of 10mm and the circular hole with the diameter of 20mm at the center; the groove steel type number adopted by the frame 11 of the guard plate 1 is [10 ], the type number of the square tube adopted by the plate body 12 is 80x100x8, and the number of the square tubes is 30. Of course, those skilled in the art can also adopt other sizes and numbers of components according to actual needs, and the components are not limited herein.
When the device is manufactured specifically, the size of the device is determined according to the size and the burial depth of the pipeline. The length of the protection plate 1 is larger than that of the pipeline, the height of the protection plate 1 is the depth from the bottom of the groove to the ground, and after the size of the device is determined, the device can be machined. The length of the stay bar 21 is determined by the size between the two guard plates 1 (the size between the two guard plates is equal to the outer diameter of the pipeline and the width of the operation surface on the two sides of the pipeline), and when the length of the stay bar 21 exceeds 2m, one to two horizontal steel supports 2 are additionally arranged between the two guard plates 1 according to the situation, so that the supporting and reinforcing effects are achieved. The concrete pipe construction will be described as an example, and specific dimensions are shown in table 1,
table 1: comparison table (unit: mm) of pipe diameter, working face width and stay bar length
Inner diameter of pipeline | Outside diameter of pipe | Width of one side working face of pipeline | Length of stay bar | Remarks (suitable for pipe inner diameter) |
400 | 480 | 400 | 690 | d≤400 |
600 | 720 | 500 | 1130 | 400<d≤600 |
800 | 960 | 500 | 1370 | 600<d≤800 |
1000 | 1200 | 600 | 1810 | 800<d≤1000 |
1200 | 1440 | 600 | 2050 | 1000<d≤1200 |
1500 | 1800 | 800 | 2810 | 1200<d≤1500 |
1800 | 2160 | 900 | 3370 | 1500<d≤1800 |
The construction method adopting the pipeline groove supporting device comprises the following steps:
1) and (5) adopting machinery to perform groove excavation.
2) The two guard plates 1 provided with the vertical adjusting supports 3 are erected on the ground outside the groove by using a crane, the two ends of the horizontal steel supports 2 are manually connected into the corresponding height adjusting holes 31 of the vertical adjusting supports 3 by using bolts respectively, and the bolts are screwed down.
3) And when the mechanical excavation is carried out to the height above the elevation of the pipe bottom by 0.2-0.3 m, stopping the mechanical operation, integrally hoisting the first set of pipeline groove supporting device into the groove by a crane to a position 0.4-0.6 m away from the bottom of the groove, then, manually excavating and cleaning the groove by a worker when the worker descends to the groove, after the cleaning of the groove is completed, pressing the first set of pipeline groove supporting device to the bottom of the groove, and then laying pipelines.
4) And (3) hoisting the second set of pipeline groove supporting device into the groove according to the method in the step 3), laying another adjacent pipeline, processing the joint part of the two sections of pipelines, hoisting the first set of pipeline groove supporting device to the rear of the next working section after the processing is finished, and thus, repeatedly finishing the construction of the whole working section.
5) And after all the sections are constructed, lifting the pipeline groove supporting device out of the groove, and transporting the pipeline groove supporting device to a storehouse for storage after the pipeline groove supporting device is disassembled for repeated use in the next project.
And when the joint parts of the two sections of pipelines are preset with inspection wells, hoisting the third set of pipeline groove supporting device into the preset inspection well position in the groove according to the method in the step 3).
In summary, the pipe trench supporting device provided by the embodiment of the invention is suitable for the construction of concrete pipes under the conditions of limited site, narrow working surface and no large excavation, and is also suitable for the support of pit walls during the welding construction of metal pipe joints and inspection wells. The device can have enough to meet the need the use after the dismantlement finishes being under construction, and convenient and fast practices thrift the cost.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a pipeline groove supporting device, includes two backplate and a plurality of horizontal steel shotcrete, its characterized in that, two backplate set up relatively, and the backplate both sides all are provided with vertical adjustment support, and vertical adjustment supports and goes up to distribute has a plurality of altitude mixture control holes, and horizontal steel shotcrete sets up between two backplates to with vertical adjustment support on the altitude mixture control hole bolted connection.
2. The conduit trench support apparatus of claim 1 wherein the vertical adjustment support includes a vertical plate having a height adjustment hole and a top plate disposed at a top end of the vertical plate.
3. The conduit trench support apparatus of claim 1 wherein the horizontal steel supports include brace bars and removable ends disposed at opposite ends of the brace bars.
4. The pipeline trench support device of claim 3, wherein the brace rod is made of H-shaped steel, and a shaping stiffening plate is arranged between the upper and lower flange plates of the H-shaped steel and symmetrically arranged along two sides of the H-shaped steel, and end plates are arranged at two ends of the H-shaped steel.
5. The pipe groove support device according to claim 4, wherein the detachable head includes an end support pipe and an auxiliary support pipe, one end of the end support pipe is bolted to the end plate, the other end of the end support pipe is provided with a bolted joint and is bolted to the height adjustment hole of the vertical adjustment support through the bolted joint, the upper and lower surfaces of the end support pipe are respectively connected to one end of an auxiliary support pipe, and the other end of the auxiliary support pipe is provided with a bolted joint and is bolted to the height adjustment hole of the vertical adjustment support through the bolted joint.
6. The conduit trench support apparatus of claim 1, wherein the guard plate comprises a frame and a plate, wherein the frame is formed by welding four channel steels, and the plate is formed by welding a plurality of transverse square pipes side by side.
7. The conduit trench support apparatus of claim 6 wherein the vertical adjustment support is welded to the skirt rim.
8. A method of constructing a pipe trench support apparatus as claimed in any one of claims 1 to 7, comprising the steps of:
1) adopting machinery to carry out groove excavation;
2) two guard plates provided with vertical adjusting supports are erected on the ground outside the groove by using a crane, two ends of a horizontal steel support are manually connected into corresponding height adjusting holes of the vertical adjusting supports by using bolts respectively, and the bolts are screwed down;
3) when the mechanical excavation is carried out to the height above the pipe bottom elevation by 0.2-0.3 m, stopping the mechanical operation, integrally hoisting the first set of pipeline groove supporting device into the groove by a crane to a position 0.4-0.6 m away from the groove bottom, then manually excavating and cleaning the groove by a worker when the groove cleaning is finished, pressing the first set of pipeline groove supporting device to the groove bottom, and then laying a pipeline;
4) and (3) hoisting the second set of pipeline groove supporting device into the groove according to the method in the step 3), laying another adjacent pipeline, processing the joint part of the two sections of pipelines, hoisting the first set of pipeline groove supporting device to the rear of the next working section after the processing is finished, and thus, repeatedly finishing the construction of the whole working section.
5) And after all the sections are constructed, lifting the pipeline groove supporting device out of the groove, and transporting the pipeline groove supporting device to a storehouse for storage after the pipeline groove supporting device is disassembled for repeated use in the next project.
9. The method for constructing the pipe trench support device according to claim 8, wherein when the joint portion of the two sections of pipes needs to be provided with the inspection well, a third set of pipe trench support device is hoisted into the groove at the position of the inspection well according to the method of the step 3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010551885.XA CN111593741A (en) | 2020-06-17 | 2020-06-17 | Pipeline groove supporting device and construction method |
Applications Claiming Priority (1)
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CN202010551885.XA CN111593741A (en) | 2020-06-17 | 2020-06-17 | Pipeline groove supporting device and construction method |
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CN111593741A true CN111593741A (en) | 2020-08-28 |
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CN202010551885.XA Withdrawn CN111593741A (en) | 2020-06-17 | 2020-06-17 | Pipeline groove supporting device and construction method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113324097A (en) * | 2021-04-20 | 2021-08-31 | 中国水利水电第九工程局有限公司 | Deep groove excavation construction process |
CN113802600A (en) * | 2021-09-13 | 2021-12-17 | 广西路桥工程集团有限公司 | Construction method for excavating and installing pipeline in narrow space |
CN114892678A (en) * | 2022-04-25 | 2022-08-12 | 四川中港建设工程有限公司 | Shaped groove box supporting device and using method thereof |
-
2020
- 2020-06-17 CN CN202010551885.XA patent/CN111593741A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113324097A (en) * | 2021-04-20 | 2021-08-31 | 中国水利水电第九工程局有限公司 | Deep groove excavation construction process |
CN113802600A (en) * | 2021-09-13 | 2021-12-17 | 广西路桥工程集团有限公司 | Construction method for excavating and installing pipeline in narrow space |
CN114892678A (en) * | 2022-04-25 | 2022-08-12 | 四川中港建设工程有限公司 | Shaped groove box supporting device and using method thereof |
CN114892678B (en) * | 2022-04-25 | 2024-04-19 | 四川中港建设工程有限公司 | Shaped groove box supporting device and application method thereof |
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Application publication date: 20200828 |