CN215562956U - Rural water supply is with horizontal return bend backfill structure - Google Patents
Rural water supply is with horizontal return bend backfill structure Download PDFInfo
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- CN215562956U CN215562956U CN202122055017.5U CN202122055017U CN215562956U CN 215562956 U CN215562956 U CN 215562956U CN 202122055017 U CN202122055017 U CN 202122055017U CN 215562956 U CN215562956 U CN 215562956U
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Abstract
The utility model belongs to the technical field of a pipeline backfill structure's technique and specifically relates to a rural water supply is with horizontal return bend backfill structure is related to, and it includes the slot, the ditch inslot is equipped with the pipeline, the pipeline is arc and level setting, the slot intermediate position is provided with the protective layer of parcel pipeline along the length direction of pipeline, the protective layer is reinforced concrete structure, it has plain concrete to fill between the protective layer is curved outside and the inner wall of slot, and it has backfill soil to fill between the inner wall of curved inboard and slot that the protective layer is, backfill soil covers in the top of protective layer and plain concrete top to slot. This application has the lateral shifting who reduces pipeline turn position, reduces the effect that the pipeline damaged.
Description
Technical Field
The application relates to the technical field of pipeline backfill structures, in particular to a horizontal elbow backfill structure for rural water supply.
Background
The pipeline is at the in-process of laying, in order to protect the pipeline, reduces the destruction that the pipeline probably caused, and the pipeline adopts the underground to lay the form of pipeline more, and the pipeline that lies in underground is difficult to discover and maintain after the damage takes place in the use, and the structure of laying to underground pipeline requires to carry out good protection to the pipeline.
The patent document with the publication number of CN211571740U discloses a pipeline backfill structure, including a groove, the gravel bed course that is located the bottommost of groove, locate well coarse gravel sand layer above the gravel bed course, locate the rubber modified layer of well coarse sand layer top, the pipeline is located the rubber modified layer, rubber modified layer top is equipped with the steelframe, the steelframe top is equipped with the grit cover coat, to containing rubber in the rubber modified layer, certain elasticity has, the rubber modified layer can be to pressing and buffering under the elastic action, prevent that the pipeline from receiving the rigid extrusion and taking place to damage or warp.
However, in the above structure, the inventor believes that when the pipe is in a horizontal turning position, the liquid in the pipe has a large impact on the pipe, and the pipe is likely to move laterally, thereby causing the pipe to be bent and damaged.
SUMMERY OF THE UTILITY MODEL
In order to reduce the lateral shifting of pipeline turning position, reduce the pipeline and damage, this application provides a rural water supply is with horizontal return bend backfill structure.
The application provides a rural water supply is with horizontal return bend backfill structure adopts following technical scheme:
the utility model provides a rural water supply is with horizontal return bend backfill structure, includes the slot, the ditch inslot is equipped with the pipeline, the pipeline is arc and level setting, the slot intermediate position is provided with the protective layer of parcel pipeline along the length direction of pipeline, the protective layer is reinforced concrete structure, it has plain concrete to fill between the inner wall of the curved outside that the protective layer is and slot, and it has the backfill soil to fill between the inner wall of the curved inboard that the protective layer is and slot, the backfill soil covers in protective layer and plain concrete top to the top of slot.
Through adopting above-mentioned technical scheme, during the use, the pipeline is the arc, at the in-process that the pipeline used, the pipeline receives the yawing force in the outer arc outside easily, the outside parcel protective layer of pipeline, it establishes plain concrete to be simultaneously between the curved outside that the protective layer is and the inner wall of slot, the protective layer can protect the pipeline, improve the intensity of pipeline, plain concrete and protective layer can offset the inside impact of receiving the medium of pipeline simultaneously, and then can reduce the lateral shifting of pipeline turn position, reduce the damage of pipeline.
Preferably, the side wall of the protective layer facing the plain concrete is covered with a linoleum layer separating the plain concrete from the protective layer.
Through adopting above-mentioned technical scheme, the linoleum layer is located between protective layer and the plain concrete, and then when the pipeline need maintain after using for a long time, conveniently clears up the protective layer, and the plain concrete separates with the protective layer easily.
Preferably, the inner wall of the groove is gradually inclined towards the center of the groove from top to bottom.
Through adopting above-mentioned technical scheme, the slot from top to bottom inclines to the slot center gradually, makes things convenient for the excavation of slot, reduces the slot excavation in-process and collapses, and the slot inner wall that the slope set up simultaneously can support plain concrete, reduces plain concrete and subsides downwards.
Preferably, the reinforced concrete structure comprises an inner layer reinforcement cage and an outer layer reinforcement cage, the inner layer reinforcement is located inside the outer layer reinforcement cage, and a reinforcement mesh plate connected with the inner layer reinforcement cage and the outer layer reinforcement cage is arranged at the end part of the protective layer.
Through adopting above-mentioned technical scheme, inlayer steel reinforcement cage and outer steel reinforcement cage are used for strengthening the whole of protective layer, and the reinforcing bar otter board is strengthened the tip of protective layer, and the tip that reduces the protective layer receives the vibration of pipeline to take place to damage.
Preferably, each end of the steel bar net plate, which is positioned on the protective layer, is provided with a plurality of steel bar net plates in parallel, two adjacent steel bar net plates are arranged at intervals, and a positioning device is arranged on each steel bar net plate.
Through adopting above-mentioned technical scheme, the reinforcing bar otter board interval sets up to be located the positioner on the reinforcing bar otter board and can make things convenient for the location installation of reinforcing bar otter board, and then the setting of the reinforcing bar otter board of being convenient for, the reinforcing bar otter board has a plurality of further tip to the protective layer to strengthen the protection simultaneously.
Preferably, the positioning device comprises two oppositely arranged clamping plates and a plurality of bolts for connecting the two clamping plates, notches corresponding to the steel bar net plates are formed in the opposite surfaces of the two clamping plates, and each notch corresponds to one steel bar net plate.
Through adopting above-mentioned technical scheme, seted up the breach on the splint, when two splint set up relatively, splint pass through the breach card on the reinforcing bar otter board, and a reinforcing bar otter board corresponds a breach to use splint can fix a position the distance between the reinforcing bar otter board more conveniently.
Preferably, a plurality of pull rods are installed on the inner side of the arc-shaped protective layer, one end of each pull rod is inserted into the side wall of the corresponding groove, the other end of each pull rod is fixedly connected with the corresponding protective layer, and one end, far away from the corresponding protective layer, of each pull rod is obliquely and downwards arranged.
Through adopting above-mentioned technical scheme, the protective layer is the arc inboard and sets up the pull rod, and the pull rod can provide the protective layer to the inboard pulling force of protective layer, further keeps the position of protective layer through the pull rod.
Preferably, a cushion layer is arranged below the protective layer.
Through adopting above-mentioned technical scheme, the top of bed course sets up the protective layer, makes the upper surface of bed course lay the protective layer, and the bed course can provide the support of protective layer, reduces the subsidence downwards of protective layer, and the setting of bed course can make things convenient for the construction of follow-up protective layer simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective layer is wrapped on the outer side of the pipeline, plain concrete is arranged between the arc-shaped outer side of the protective layer and the inner wall of the groove, the protective layer can protect the pipeline, the strength of the pipeline is improved, the plain concrete and the protective layer can offset the impact effect of a medium on the inner part of the pipeline, the lateral movement of the turning position of the pipeline is reduced, and the damage of the pipeline is reduced;
2. the inner layer reinforcement cage and the outer layer reinforcement cage are used for reinforcing the whole protective layer, and the reinforcement net plate is used for reinforcing the end part of the protective layer, so that the damage of the end part of the protective layer caused by the vibration of a pipeline is reduced;
3. through the breach of seting up on the splint, when two splint set up relatively, splint pass through the breach card on the reinforcing bar otter board, a reinforcing bar otter board corresponds a breach to use splint can fix a position the distance between the reinforcing bar otter board more conveniently.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of the embodiment of the present application without backfill soil;
FIG. 3 is a schematic view of an installation structure of a net plate for reinforcing bars in an embodiment of the present application;
fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Description of reference numerals: 1. a trench; 2. a pipeline; 3. a cushion layer; 4. a protective layer; 41. an inner layer reinforcement cage; 42. an outer layer reinforcement cage; 43. a steel bar net plate; 5. plain concrete; 6. a layer of felt; 7. a pull rod; 8. backfilling; 9. a positioning device; 91. a splint; 92. a bolt; 93. and a nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses rural water supply is with horizontal return bend backfill structure, refer to fig. 1 and fig. 2, including the slot 1 that the excavation ground formed, the both sides inner wall slope setting of slot 1, the inner wall of slot 1 from top to bottom inclines to the central point of slot 1 gradually. Pipeline 2 has been placed to the inside of slot 1, and the extension line at the both ends of pipeline 2 is 90 degrees each other, and pipeline 2 wholly is the arc setting. The excavation direction of the groove 1 is arranged along the trend of the pipeline 2, and the pipeline 2 is placed at the central position of the groove 1.
Referring to fig. 1 and 2, a cushion layer 3 is firstly laid at the bottom of the trench 1, the cushion layer 3 is formed by pouring concrete material, and the thickness of the cushion layer 3 is 10 cm. The upper surface of bed course 3 need carry out leveling to guarantee 2 levelness of the pipeline of installing, the upper surface that is located bed course 3 sets up protective layer 4, and protective layer 4's cross section is the square, and the center of pipeline 2 coincides with protective layer 4's center, and then can make protective layer 4 better to pipeline 2's protection. The protective layer 4 is of a reinforced concrete structure, and the protective layer 4 is arranged along the trend of the pipeline 2, so that the protective layer 4 is integrally arc-shaped. Pipeline 2 is located the inside of protective layer 4, and when receiving the car and transmitting the pressure of below by the road surface, protective layer 4 can fully provide the protection to pipeline 2, and when there was the medium to flow in the inside of pipeline 2 simultaneously, the vibration of pipeline 2 can provide the support under protective layer 4's effect, makes the vibration of pipeline 2 reduce, and then reduces pipeline 2's lateral deviation.
Referring to fig. 1 and 2, when a medium flows in the pipe 2, the pipe 2 is impacted toward the outside of the arc shape of the pipe 2. It has plain concrete 5 to be located to be filled between the curved outside that protective layer 4 is and the inner wall of slot 1, be provided with asphalt felt layer 6 between the lateral wall that plain concrete 5 and protective layer 4 correspond, asphalt felt layer 6 is used for separating plain concrete 5 and protective layer 4, plain concrete 5 is located and can makes protective layer 4's vibration transmit slot 1's lateral wall through plain concrete 5 between protective layer 4 and slot 1's the inner wall, and then can reach the effect that plain concrete 5 supported pipeline 2, the adhesion can take place for oil felt layer 6 that sets up simultaneously can prevent that plain concrete 5 from taking place with protective layer 4, and then when needing to maintain protective layer 4 after long-time the use, plain concrete 5 can remain, make protective layer 4 and plain concrete 5 separate easily.
Referring to fig. 2, before constructing the protective layer 4, the inner side of the arc shape of the protective layer 4 is provided with a plurality of pull rods 7, one end of each pull rod 7 is inserted into the inner wall of the groove 1, the other end of each pull rod 7 extends upwards towards the center of the groove 1, the end part of each pull rod 7 is fixedly connected with the protective layer 4 through pouring, and the firmness of the position of the protective layer 4 can be further improved through the pull rods 7. And backfill soil 8 is filled between the arc inner side of the protective layer 4 and the inner wall of the groove 1, the backfill soil 8 is filled from bottom to top in a layered manner, the position above the protective layer 4 and the plain concrete 5 is also filled with the backfill soil 8, and the amount of the backfill soil 8 is equal to the top of the groove 1 and the ground.
Referring to fig. 2 and 3, the reinforced concrete structure includes an inner layer steel reinforcement cage 41 and an outer layer steel reinforcement cage 42, the inner layer steel reinforcement cage 41 is wholly in a circular cylindrical shape and is arranged along the length direction of the pipeline 2, the inner layer steel reinforcement cage 41 is wrapped on the outer side wall of the pipeline 2, a gap of 2-5cm is reserved between the inner layer steel reinforcement cage 41 and the outer wall of the pipeline 2, the outer layer steel reinforcement cage 42 is wholly in a cylindrical shape with a square cross section, the inner layer steel reinforcement cage 41 is located at the center of the outer layer steel reinforcement cage 42, and the outer layer steel reinforcement cage 42 is 2-5cm away from the outer wall of the protective layer 4, so that the strength of the protective layer 4 is improved by the inner layer steel reinforcement cage 41 and the outer layer steel reinforcement cage 42. Meanwhile, a steel bar mesh plate 43 is arranged between the outer layer steel bar cage 42 and the inner layer steel bar cage 41, the steel bar mesh plate 43 is located at the end part of the protective layer 4, and the steel bar mesh plate 43 is used for improving the strength of the end part of the protective layer 4.
Referring to fig. 4, the steel bar net plates 43 are perpendicular to the pipeline 2, three steel bar net plates 43 are arranged at each end of the protective layer 4, the three steel bar net plates 43 are arranged along the length direction of the pipeline 2, and the three steel bar net plates 43 are arranged at intervals, so that the strength of the protective layer 4 is improved by the steel bar net plates 43, and the damage to the end part of the protective layer 4 caused by the vibration of the pipeline 2 is reduced. Be provided with a plurality of positioner 9 between three steel mesh plate 43, positioner 9 are used for fixed with the distance between three steel mesh plate 43, prevent that three steel mesh plate 43 from removing when concreting. Positioner 9 includes two splint 91, two splint 91 set up relatively, lower at splint 91 is to all offering jaggedly on the surface, the quantity of breach is three, every breach corresponds with a reinforcing bar otter board 43, when two splint 91 are relative, splint 91 passes through the breach card on reinforcing bar otter board 43, it is provided with bolt 92 to run through on two splint 91, threaded connection has nut 93 on bolt 92, thereby can be with two splint 91 relatively fixed on three reinforcing bar otter board 43 through nut 93 and bolt 92, and a plurality of positioner 9 distribute in the different positions of reinforcing bar otter board 43, and then can positioner 9 make the rigidity of reinforcing bar otter board 43.
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 (8)
1. The utility model provides a rural water supply is with horizontal return bend backfill structure, includes slot (1), be equipped with pipeline (2) in slot (1), its characterized in that: pipeline (2) are arc and level setting, slot (1) intermediate position is provided with protective layer (4) of parcel pipeline (2) along the length direction of pipeline (2), protective layer (4) are reinforced concrete structure, it has plain concrete (5) to fill between the curved outside that protective layer (4) is and the inner wall of slot (1), and it has backfill soil (8) to fill between the curved inboard that protective layer (4) is and the inner wall of slot (1), backfill soil (8) cover in protective layer (4) and plain concrete (5) top to the top of slot (1).
2. The horizontal elbow backfilling structure for rural water supply according to claim 1, characterized in that: the side wall of the protective layer (4) facing the plain concrete (5) is covered with a felt layer (6) for separating the plain concrete (5) from the protective layer (4).
3. The horizontal elbow backfilling structure for rural water supply according to claim 1, characterized in that: the inner wall of the groove (1) is gradually inclined towards the center of the groove (1) from top to bottom.
4. The horizontal elbow backfilling structure for rural water supply according to claim 1, characterized in that: the reinforced concrete structure comprises an inner layer reinforcement cage (41) and an outer layer reinforcement cage (42), the inner layer reinforcement is located inside the outer layer reinforcement cage (42), and a reinforcement mesh plate (43) connected with the inner layer reinforcement cage (41) and the outer layer reinforcement cage (42) is arranged at the end part of the protective layer (4).
5. The horizontal elbow backfilling structure for rural water supply according to claim 4, characterized in that: each end of the steel bar net plate (43) positioned on the protective layer (4) is provided with a plurality of steel bar net plates in parallel, two adjacent steel bar net plates (43) are arranged at intervals, and a positioning device (9) is arranged on each steel bar net plate (43).
6. The horizontal elbow backfilling structure for rural water supply according to claim 5, characterized in that: the positioning device (9) comprises two oppositely arranged clamping plates (91) and a plurality of bolts (92) used for connecting the two clamping plates (91), notches corresponding to the steel bar net plates (43) are formed in the opposite surfaces of the two clamping plates (91), and one steel bar net plate (43) corresponds to each notch.
7. The horizontal elbow backfilling structure for rural water supply according to claim 1, characterized in that: protective layer (4) are the arc inboard and install a plurality of pull rods (7), in the lateral wall of slot (1) was inserted to the one end of pull rod (7), the other end and protective layer (4) fixed connection, pull rod (7) were kept away from the one end slope of protective layer (4) and are set up downwards.
8. The horizontal elbow backfilling structure for rural water supply according to claim 1, characterized in that: and a cushion layer (3) is arranged below the protective layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055017.5U CN215562956U (en) | 2021-08-28 | 2021-08-28 | Rural water supply is with horizontal return bend backfill structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055017.5U CN215562956U (en) | 2021-08-28 | 2021-08-28 | Rural water supply is with horizontal return bend backfill structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215562956U true CN215562956U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122055017.5U Active CN215562956U (en) | 2021-08-28 | 2021-08-28 | Rural water supply is with horizontal return bend backfill structure |
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| CN (1) | CN215562956U (en) |
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2021
- 2021-08-28 CN CN202122055017.5U patent/CN215562956U/en active Active
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