CN214274763U

CN214274763U - Pipeline prefabricated section convenient to high-speed joint

Info

Publication number: CN214274763U
Application number: CN202120135734.6U
Authority: CN
Inventors: 薛涛; 肖勤; 高玲; 金蓓蓓; 陈自富
Original assignee: Nanjing Hetao Plastic Co ltd
Current assignee: Nanjing Hetao Plastic Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-24
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a pipeline prefabricated section convenient to high-speed joint, it includes a plurality of pipelines and precast concrete piece, the pipeline inlays to be established in precast concrete piece and the concrete prefabricated section is all worn out at the pipeline both ends, the first link other end of pipeline one end fixedly connected with is equipped with the second link, and is adjacent seal two adjacent pipeline junctions when the first link that the pipeline is relative and second link are connected. This application has through setting up precast concrete piece and pipeline integration prefabrication, has reduced the site operation and has waited for the concrete solidification and lead to the possibility of time limit for a project extension to connect and seal the pipeline through setting up first link and second link, realized laying of pipeline, thereby realized not living fast to the pipeline, shortened the time limit for a project, accelerated the effect of construction progress.

Description

Pipeline prefabricated section convenient to high-speed joint

Technical Field

The application relates to the field of pipeline laying, in particular to a pipeline prefabricated section convenient for quick connection.

Background

At present, in modern city construction, pipelines are often required to be laid underground, and as the population of modern cities is more and more dense, the proportion of high-rise buildings and super high-rise buildings is gradually increased, and the laying density of the pipelines is gradually increased.

In the related art, when a pipeline is buried underground, a worker needs to firstly dig a foundation pit, put the pipeline into the foundation pit, then need to introduce concrete grout into the foundation pit, fix and support the pipeline, and finish backfilling the foundation pit after the concrete grout is solidified and fixes the pipeline.

Aiming at the related technologies, the inventor thinks that the defects of long construction period and slow construction progress exist in the method that the pipeline is fixed by pouring concrete grout, and the backfilling work is required after the concrete is solidified.

SUMMERY OF THE UTILITY MODEL

In order to improve and lay the pipeline and need wait for the concrete thick liquid and solidify, lead to the defect that the construction period is long, the construction progress is slow, this application provides a pipeline prefabricated section convenient to quick connect.

The application provides a pipeline prefabricated section convenient to high-speed joint adopts following technical scheme:

the utility model provides a pipeline prefabricated section convenient to high-speed joint, includes a plurality of pipelines and precast concrete piece, the pipeline inlays to be established in precast concrete piece and the concrete prefabricated section is all worn out at the pipeline both ends, the first link other end of pipeline one end fixedly connected with is equipped with the second link, and is adjacent when connecting first link and the second link that the pipeline is relative seals two adjacent pipeline junctions.

Through adopting above-mentioned technical scheme, through setting up the pipeline concrete prefabricated section, link into an organic whole in advance with pipeline and prefabricated section, at the job site, the staff arranges in proper order through the concrete prefabricated section, and be in the same place pipeline is connected to first link and second link together through, the embedding of pipeline has been realized, because the pipeline is wrapped up by the prefabricated concrete section, in the pipeline, the prefabricated concrete block structure has realized supporting the pipeline, thereby need not to wait for the concrete grout to solidify, the time limit for a project has been shortened, construction progress has been accelerated.

Optionally, the first connecting end and the second connecting end are half pipes with the same radius as the pipeline, the first connecting end is located at the upper half section of the pipeline orifice and is parallel to the pipe wall of the pipeline, and the second connecting end is located at the lower half section of the pipeline orifice and is parallel to the pipe wall.

Through adopting above-mentioned technical scheme, at the job site, the staff hoists precast concrete piece in to the foundation ditch, and the first link of pipeline is contradicted with adjacent second link during hoist and mount to make two relative two half pipes that set up splice into complete pipe, realized the concatenation of pipeline.

Optionally, the outer side walls of the first connecting end and the second connecting end are both fixedly connected with sealing strips.

Through adopting above-mentioned technical scheme, when hoist precast concrete piece, make first link and second link support tightly each other, the sealing strip compresses tightly under precast concrete piece dead weight to seal the junction of first link and second link, then seal the pipeline and connect.

Optionally, a bonding strip is arranged on one side of the first connecting end and the second connecting end, which is adjacent to the side, opposite to the sealing strip, of the second connecting end.

By adopting the technical scheme, the bonding strip is arranged on one side opposite to the sealing strip, when the sealing strip is hoisted on a construction site, a worker sets the bonding strip on the sealing strip, when the first connecting end and the second connecting end are mutually abutted, the sealing strip is fixedly bonded with the first connecting end and the second connecting end after the sealing strip is mutually abutted and sealed, the tightness degree of pipeline connection is improved, and the possibility that the sealing performance of a pipeline is reduced due to the movement of the sealing strip is reduced.

Optionally, a concrete filling layer is filled between the adjacent precast concrete blocks.

Through adopting above-mentioned technical scheme, place the foundation ditch with each precast concrete piece at the staff to splice together adjacent mouth of pipe through first link and second link after, the staff pours into the concrete thick liquid into to the clearance between the precast concrete piece, thereby seals and supports the pipeline that first link and second link constitute, and the back is poured to the concrete thick liquid has been accomplished simultaneously, because the precast concrete piece supports the earthwork of backfilling, consequently can directly backfill the foundation ditch.

Optionally, the top of each adjacent precast concrete block is provided with a shielding cover plate, and the shielding cover plate is located at the top of the gap between the adjacent precast concrete blocks.

Through adopting above-mentioned technical scheme, shelter from the apron through the setting, when constructor can backfill the foundation ditch, shelter from the apron and keep off the top in clearance between adjacent precast concrete piece, reduced when backfilling hard foreign matter embedding concrete thick liquid in, reduce the body and sneak into the possibility that the foreign matter leads to structural strength to reduce in hard foreign matter fish tail and the concrete thick liquid.

Optionally, both sides of each precast concrete block are provided with side plates, and the side plates are located at the gap between two adjacent precast concrete blocks.

Through adopting above-mentioned technical scheme, through setting up the curb plate, the clearance between the common closed precast concrete piece on curb plate and the apron of sheltering from is qualitative to the concrete thick liquid, has reduced the possibility that the concrete thick liquid diffusion leads to extravagant material.

Optionally, the curb plate is close to the one end that shelters from the apron and all contradicts with sheltering from the apron tip, the curb plate can be dismantled with the apron of sheltering from and be connected, shelter from and seted up the grout hole on the apron.

Through adopting above-mentioned technical scheme, the staff is after accomplishing the pipeline concatenation, with the curb plate with shelter from the apron and connect the back jointly, with the clearance closure between the precast concrete piece to through pouring the concrete thick liquid between the grout hole to the clearance, thereby make the concrete thick liquid fill fast, and reduced the diffusion of concrete thick liquid.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the method has the advantages that the possibility of prolonging the construction period caused by waiting for concrete solidification in site construction is reduced by integrally prefabricating the precast concrete blocks and the pipelines, and the pipelines are connected and closed by arranging the first connecting end and the second connecting end, so that the laying of the pipelines is realized, the pipelines are not fast stopped, the construction period is shortened, and the construction progress is accelerated;

2. the first connecting end and the second connecting end are arranged into a semi-tubular shape, and the sealing strip and the bonding strip are arranged at the mutual splicing position of the first connecting end and the second connecting end, so that the sealing performance of the pipeline is improved, the splicing firmness degree between the first connecting end and the second connecting end is improved, and the possibility of pipeline leakage is reduced;

3. the gap between two adjacent precast concrete blocks is sealed by the cover plate and the side plate, the first connecting end and the second connecting end are supported and sealed, the adjacent precast concrete blocks are connected and positioned, the cover plate and the side plate are shielded, so that a worker can fill concrete slurry to form a concrete filling layer during construction, the earthwork backfill work of a foundation pit can be immediately performed, and the surface influences the construction process.

Drawings

Fig. 1 is a schematic diagram for showing the overall structure of a pipe precast block according to an embodiment of the present application.

Fig. 2 is a schematic diagram of a splicing position structure for embodying two precast concrete blocks according to an embodiment of the present application.

Fig. 3 is a schematic diagram for embodying a pipeline splicing structure according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural diagram illustrating a position of a precast concrete block after the precast concrete block is placed in a foundation pit according to an embodiment of the present application.

Description of reference numerals: 1. a pipeline; 11. a first connection end; 12. a second connection end; 2. prefabricating a concrete block; 3. a sealing strip; 4. bonding the strips; 5. pouring concrete into a layer; 6. a shielding cover plate; 61. grouting holes; 7. a side plate; 8. and a second seal ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a pipeline prefabricated section convenient to high-speed joint. Referring to fig. 1, a pipeline prefabricated section convenient to high-speed joint includes precast concrete piece 2, and precast concrete piece 2 is the cuboid, and wears to be equipped with a plurality of pipelines 1 in precast concrete piece 2, and pipeline 1 is parallel with precast concrete piece 2's length direction, and all stretches out from precast concrete piece 2 at pipeline 1 both ends. The pipeline 1 and the precast concrete block 2 are integrally cast and molded. The pipeline 1 one end is equipped with first link 11, and the other end is equipped with second link 12, and when adjacent precast concrete piece 2 was placed and was arranged in proper order in the foundation ditch, the adjacent mouth of pipe of pipeline 1 on precast concrete piece 2 was spliced through first link 11 and second link 12.

Referring to fig. 2 and 3, the first connecting end 11 and the second connecting end 12 are both half-pipe-shaped cambered plates, the first connecting end 11 is arranged at the upper half section of the pipe orifice of the pipeline 1, the second connecting end 12 is arranged at the lower half section of the pipe orifice of the pipeline 1, the first connecting end 11 and the second connecting end 12 are both arranged in parallel with the pipe wall, and the first connecting end 11 and the second connecting end 12 are formed by casting together with the pipeline 1 body.

Referring to fig. 3 and 4, when the adjacent pipelines 1 are spliced, the first connecting end 11 and the second connecting end 12 at the opposite ends of the adjacent pipelines 1 are arranged oppositely, and the opposite side walls are provided with the sealing strips 3, when the two pipelines 1 are spliced, the sealing strips 3 deform under the self-weight pressing and abutting of the precast concrete blocks 2, and the gaps at the connecting parts of the pipelines 1 are sealed.

Referring to fig. 4, the sealing strips 3 are coated with adhesive glue, which may be glass glue or sealant, or other industrial adhesives. When the adjacent first connecting end 11 and the second connecting end 12 abut against each other, the bonding glue improves the connection firmness of the first connecting end 11 and the second connecting end 12, and reduces the possibility of leakage of the pipeline 1 caused by the deflection of the connecting ends. The circumferential outer walls of the first connecting end 11 and the second connecting end 12 are coated with second sealing rings 8.

Referring to fig. 1 and 2, precast concrete piece 2 arranges the back in proper order, precast concrete piece 2's top has been placed and has been sheltered from apron 6, shelter from apron 6 length direction both ends and all can dismantle through the screw and be connected with a curb plate 7, shelter from apron 6 and shelter from the top between two adjacent precast concrete piece 2 spaces, two curb plates 7 shelter from the both sides in space between two adjacent precast concrete piece 2, thereby through ground, curb plate 7 seals the space between two adjacent precast concrete piece 2 with sheltering from apron 6 jointly, shelter from to have seted up grout hole 61 on the apron 6

Referring to fig. 2, the worker fills the gap between the precast concrete blocks 2 with the concrete grout by pouring the concrete grout into the grout hole 61, so that the concrete grout is solidified to form a concrete grouting layer 5, and supports and positions the pipe body formed by the first connection end 11 and the second connection end 12, and also improves the sealing degree of the first connection end 11 and the second connection end 12.

The implementation principle of the pipeline 1 precast block convenient for quick connection in the embodiment of the application is as follows: referring to fig. 5, in an actual construction process, a worker firstly needs to dig a foundation pit for embedding the pipeline 1, place the prefabricated concrete block which is processed in advance on a construction site, and level the bottom of the foundation pit, so that the concrete block is prevented from deviating when being placed. The concrete precast blocks are sequentially arranged in the foundation pit through the crane, and meanwhile, the first connecting end 11 and the second connecting end 12 between the opposite pipe orifices of the adjacent pipelines 1 are kept opposite to each other.

Before hoisting, the worker applies adhesive to the first connecting end 11 and the second connecting end 12 to be spliced to form the adhesive strip 4. During hoisting, the first connecting end 11 of the pipeline 1 on the precast concrete block 2 hoisted later is closed to the second connecting end 12 of the pipeline 1 on the precast concrete block hoisted earlier, the precast concrete block hoisted later is firstly lowered to a certain height and then translated, each first connecting end 11 is moved to the position above the second connecting end 12, and finally the precast concrete block 2 is lowered, and the first connecting end 11 is pressed on the second connecting end 12 to realize splicing.

Finally, placing and assembling the shielding cover plate 6 and the side plate 7 between the gaps of the adjacent precast concrete blocks 2 by workers, pouring concrete slurry to form a concrete pouring layer 5, beginning backfilling work of earthwork immediately after the concrete slurry is poured, and finishing the laying of the precast pipelines 1 after the backfilling is finished.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipeline prefabricated section convenient to high-speed joint which characterized in that: the pipeline connecting structure comprises a plurality of pipelines (1) and precast concrete blocks (2), wherein the pipelines (1) are embedded in the precast concrete blocks (2), the two ends of each pipeline (1) penetrate out of the precast concrete blocks, a first connecting end (11) fixedly connected with one end of each pipeline (1) is provided with a second connecting end (12), and the connecting parts of the two adjacent pipelines (1) are closed when the first connecting end (11) and the second connecting end (12) opposite to each other of the pipelines (1) are connected.

2. The duct preform for facilitating quick connection of claim 1, wherein: the first connecting end (11) and the second connecting end (12) are both half pipes with the same radius as that of the pipeline (1), the first connecting end (11) is located at the upper half section of the pipe orifice of the pipeline (1) and is parallel to the pipe wall of the pipeline (1), and the second connecting end (12) is located at the lower half section of the pipe orifice of the pipeline (1) and is parallel to the pipe wall.

3. The duct preform for facilitating quick connection of claim 2, wherein: and the outer side walls of the first connecting end (11) and the second connecting end (12) are fixedly connected with the sealing strips (3).

4. The duct preform for facilitating quick connection of claim 3, wherein: and a bonding strip (4) is arranged on one side of the first connecting end (11) and the second connecting end (12) which is adjacent to the side, opposite to the sealing strip (3).

5. The duct preform for facilitating quick connection of claim 1, wherein: and a concrete filling layer (5) is filled between the adjacent precast concrete blocks (2).

6. The duct preform for facilitating quick connection of claim 5, wherein: adjacent precast concrete blocks (2) top all is equipped with shelters from apron (6), shelter from apron (6) and be located the top in clearance between adjacent precast concrete blocks (2).

7. The duct preform for facilitating quick connection of claim 1, wherein: both sides of each precast concrete block (2) are provided with side plates (7), and the side plates (7) are positioned at the gap between every two adjacent precast concrete blocks (2).

8. The duct preform for facilitating quick connection of claim 7, wherein: curb plate (7) are close to the one end that shelters from apron (6) and all contradict with sheltering from apron (6) tip, curb plate (7) can be dismantled with sheltering from apron (6) and be connected, shelter from and seted up grout hole (61) on apron (6).