Outdoor municipal pipe network construction method

Abstract

The invention relates to an outdoor municipal pipe network construction method, and belongs to the technical field of municipal pipe network construction. Comprising the following steps of building a building model, adjusting the position of a building model of a newly-built pipeline and an original pipeline, adjusting the elevation, carrying out optimization design, manufacturing a drainage pipe butt joint pressing device, installing the newly-built pipeline layer by layer and section by section, enabling the newly-built pipeline to penetrate through the original pipeline, and building a catch basin. The joint of the prefabricated drainage pipe and the joint of the prefabricated drainage pipe and the catch basin are blocked by waterproof mortar and then are brushed by waterproof paint to form a sealed whole, water supply and pressure detection are carried out after maintenance is completed, and the prefabricated drainage pipe is installed if no leakage exists. The invention solves the technical problems of high labor intensity of outdoor and municipal pipe networks, unqualified water passing and pressing detection, and pipeline damage quality, progress and safety.

Description

Technical Field

[0001] The invention belongs to the technical field of municipal pipe network construction, and in particular relates to a method for constructing an outdoor municipal pipe network. Background Art

[0002] At present, the method used for outdoor and municipal pipeline construction is to use an excavator to dig the soil to the designed bottom elevation after laying out the lines, use a car crane and a hand winch to install the rainwater and sewage pipes and connect them to the rainwater well, backfill and compact after passing the water pressure test, and then install electricity, gas, communications, water supply, heat and other pipelines, and then backfill and compact.

[0003] However, the following problems still exist:

[0004] 1) Construction method: During the construction of outdoor and municipal drainage pipe networks, the pipes are connected by hand hoists, which is labor-intensive.

[0005] 2) The sealing method at the joint is unreliable and lax control can easily lead to failure in the water pressure test;

[0006] 3) Drainage, electricity, gas, communication, water supply, heating and other pipelines are installed in the rainwater well. The new pipelines conflict with the original pipelines, causing pipeline damage, quality and safety hazards, and poor results. Summary of the Invention

[0007] The purpose of the present invention is to provide an outdoor municipal pipe network construction method, which is reliable to use. When the drainage pipe docking and tightening device is installed, it effectively solves the labor intensity of using a hand winch to tighten the docking between pipes in the outdoor and municipal drainage pipe network construction process, adopts a waterproof coating treatment method for sealing the joints to solve the problem of unqualified water pressure test, adopts a municipal rainwater well and drainage, electricity, gas, communication, water supply, heating and other pipelines, and a new pipeline and the original pipeline anti-collision construction method to solve the problem of pipeline damage caused by the conflict between the rainwater well and the drainage, electricity, gas, communication, water supply, heating and other pipelines, and the new pipeline and the original pipeline. The control effect is obvious, construction quality is ensured, progress is accelerated, and construction is fast, safe and reliable.

[0008] The technical solution adopted by the present invention to solve its technical problem is:

[0009] A method for constructing an outdoor municipal pipe network comprises the following steps:

[0010] Step 1: Before constructing the outdoor municipal pipe network, build a building model; including:

[0011] Distribute pipelines in the order of rainwater wells, drainage pipelines, power pipelines, gas pipelines, communication pipelines, water supply pipelines and heating pipelines, establish architectural models of new pipelines and existing pipelines, and perform collision checks on positions and elevations;

[0012] Step 2, optimize the layout design of the various pipelines in step 1;

[0013] Step 3: Make the drainage pipe docking and pressing device:

[0014] a. According to the different diameters of the drainage pipes, use δ10mm stainless steel plates to cut and weld two clamps; the arc length of the clamp should not be less than the semicircle length of the corresponding drainage pipe;

[0015] b. Set Φ18mm stainless steel round steel;

[0016] c. Drill mounting holes at both ends and in the middle of the clamp and grind the surface flat; the diameter of the mounting holes should be 2mm smaller than the diameter of the stainless steel round steel;

[0017] d. Use three Φ18mm stainless steel round steel bars, process one end into a 50mm long thread, insert it into the mounting hole and tighten the nut; connect the other end to the output end of the micro jack;

[0018] e. Install a micro stroke sensor on the outside of the micro jack, with the detection end facing the clamp;

[0019] f. After the drain pipe is connected to the socket of the drain pipe, put the clamp into the protruding socket of the drain pipe;

[0020] g. The oil nozzle of the micro jack on the micro jack is connected to the oil pump through the oil hose;

[0021] h. Start the oil pump and push the drainage pipeline to tighten the micro oil pump until there is no stroke change; the micro stroke sensor controls the output end of the micro jack and automatically stops working;

[0022] i. After debugging is normal, install the drainage pipeline section by section until the drainage pipeline is completely installed;

[0023] Step 4: Re-establish the building model's location and elevation based on the optimized design of the rainwater wells, drainage pipelines, power pipelines, gas pipelines, communication pipelines, water pipelines, and heating pipelines, allowing them to be installed floor by floor and section by section, with the new pipelines passing through the existing pipelines.

[0024] Step 5: Build a rainwater well;

[0025] After sealing the joints of prefabricated drainage pipes and the joints between prefabricated drainage pipes and rainwater wells with waterproof mortar, use waterproof paint to brush the surface to form a sealed whole;

[0026] All joints of prefabricated drainage pipes are sealed and painted with waterproof coating. After curing, water pressure test is carried out; if there is no leakage, the installation of prefabricated drainage pipes is completed;

[0027] Before using the drainage pipe docking and clamping device, perform inspection, calibration and debugging;

[0028] Control the location, elevation and water pressure test of the municipal drainage network; when the results do not exceed the acceptance specifications and meet the quality and stability requirements, conduct control tests until the construction of each outdoor municipal pipeline project is completed.

[0029] In a further technical solution, in step 5, the rainwater well is connected to the prefabricated drainage pipe; and multiple groups of connections are set on the prefabricated drainage pipes, and interface rings are set at the connection points of adjacent prefabricated drainage pipes, and an annular stainless steel plate is set inside the interface ring, and the interior of the stainless steel plate is filled with waterproof mortar;

[0030] Both sides of the connection between the rainwater well and the prefabricated drainage pipe are filled with waterproof mortar.

[0031] In a further technical solution, in step 2, the optimized design complies with: m. pressurized pipelines give way to non-pressurized pipelines; l. shallow buried pipelines give way to deep buried pipelines; n. single pipes give way to double pipes; o. flexible material pipelines give way to rigid material pipelines; p. small diameter pipelines give way to large diameter pipelines.

[0032] In a further technical solution, the stroke control error of the drainage pipe docking and pressing device does not exceed 3mm;

[0033] The position and elevation inspection of the outdoor municipal pipeline network shall not exceed the set error of 10mm, and no leakage shall be found during the water pressure test. After the construction is completed, the drainage pipe docking and tightening device shall be maintained in time.

[0034] In a further technical solution, a conical cylinder is installed between the interface ring and the rainwater well, one side of the conical cylinder is tightly connected to the rainwater well, and the other side is tightly connected to the interface ring;

[0035] A filling port is provided in the interface ring, a labyrinth cavity is provided in the conical cylinder, the labyrinth cavity is communicated with the filling port, and a feed port is provided at the top; a packaging plug is installed in the feed port.

[0036] In a further technical solution, the labyrinth cavity includes an annular sub-cavity and a blanking sub-cavity, and a node is provided between the annular sub-cavity and the blanking sub-cavity; the filling port is located in the blanking sub-cavity.

[0037] In a further technical solution, the annular sub-cavities are provided in a plurality of continuous groups, and the diameters thereof gradually increase in a horizontal direction from the interface ring to the rainwater well.

[0038] Beneficial effects:

[0039] The invention provides a method for outdoor and municipal pipe network construction, which is reliable to use. The drainage pipe docking and tightening device is used for installation to effectively solve the labor intensity of using a hand winch to tighten the docking between pipes in the outdoor and municipal drainage pipe network construction process. The waterproof coating treatment method for sealing the joints is used to solve the problem of unqualified water pressure test. The anti-collision construction method for municipal rainwater wells and drainage, electricity, gas, communication and other pipelines, and new pipelines and original pipelines is used to solve the problem of pipeline damage caused by conflicts between rainwater wells and drainage, electricity, gas, communication and other pipelines, and new pipelines and original pipelines. The control effect is obvious, construction quality is ensured, progress is accelerated, and construction is fast, safe and reliable.

[0040] The outdoor and municipal pipe network construction method proposed by the present invention will now be further described with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a cross-sectional schematic diagram of an outdoor municipal pipe network construction method of the present invention;

[0042] Figure 2 This is a schematic diagram of the manufacturing process of the drainage pipe docking and pressing device of the present invention;

[0043] Figure 3 yes Figure 2 A magnified view of part A;

[0044] Figure 4 It is a schematic diagram of the clamp of the present invention;

[0045] Figure 5 This is a schematic diagram of the sealing of the prefabricated drainage pipe joint of the present invention Figure 1 ;

[0046] Figure 6 This is a schematic diagram of the sealing of the prefabricated drainage pipe joint of the present invention Figure 2 ;

[0047] Figure 7 yes Figure 6 A magnified view of part B;

[0048] Figure 8 It is a schematic front view of the labyrinth cavity of the present invention.

[0049] In the figure: 1. Rainwater well; 2. Drainage pipeline; 3. Power pipeline; 4. Gas pipeline; 5. Communication pipeline; 6. Water pipeline; 7. Heating pipeline;

[0050] 8. Drain pipe docking and clamping device; 9. Stainless steel plate; 10. Clamp; 11. Mounting hole; 12. Stainless steel round bar; 13. Nut; 14. Miniature jack; 15. Miniature travel sensor;

[0051] 16. Drain pipe socket; 17. Mini jack nozzle; 18. Oil hose; 19. Mini oil pump; 20. Prefabricated drain pipe; 21. Waterproof mortar; 22. Waterproof coating;

[0052] 23. Interface ring; 24. Conical cylinder; 25. Labyrinth cavity; 26. Annular sub-cavity; 27. Blanking sub-cavity; 28. Packaging plug. DETAILED DESCRIPTION

[0053] The following further describes an outdoor and municipal pipe network construction method and its implementation work of the present invention in conjunction with the accompanying drawings and embodiments.

[0054] Example 1

[0055] See Figure 1-5 As shown in FIG. 1 , an embodiment of the present invention is a method for constructing an outdoor municipal pipe network, comprising the following steps:

[0056] Step 1: Before construction, establish a building model; according to the layout of pipelines such as rainwater well 1, drainage pipeline 2, power pipeline 3, gas pipeline 4, communication pipeline 5, water supply pipeline 6, and heating pipeline 7, perform collision check on the position and elevation of the new pipeline and the original pipeline building model.

[0057] Step 2: Optimize the design of pipelines such as rainwater well 1, drainage pipeline 2, power pipeline 3, gas pipeline 4, communication pipeline 5, water supply pipeline 6, and heating pipeline 7, adjusting the location and elevation of the existing and new pipeline architectural models. This follows the following principles: m. Pressurized pipelines give way to non-pressurized pipelines; l. Shallow buried pipelines give way to deep buried pipelines; n. Single pipes give way to double pipes; o. Flexible pipes give way to rigid pipes; p. Small-diameter pipelines give way to large-diameter pipelines.

[0058] Step 3: Make the drainage pipe docking and pressing device 8:

[0059] a. According to the different diameters of the drainage pipe 2, two clamps 10 are made by cutting and welding a δ10mm stainless steel plate 9; the arc length of the clamp 10 is not less than the corresponding semicircle circumference of the drainage pipe 2;

[0060] b. Set Φ18mm stainless steel round steel 12;

[0061] c. Mounting holes 11 are drilled at both ends and in the middle of the clamp 10, and the surface is polished; the diameter of the mounting hole 11 is 2 mm smaller than the diameter of the stainless steel round steel 12;

[0062] d. Use three Φ18mm stainless steel round steel bars 12, one end of which is processed into a 50mm long threaded thread and inserted into the mounting hole 11 and then tightened with the nut 13; the other end is connected to the output end of the micro jack 14;

[0063] e. A micro-stroke sensor 15 is mounted outside the micro-jack 14, with the detection end disposed toward the clamp 10;

[0064] f. After the drain pipe 2 is docked with the drain pipe socket 16, the clamp 10 is inserted into the protruding socket 16 of the drain pipe 2;

[0065] g. The micro jack nozzle 17 on the micro jack 14 is connected to the oil pump 19 via the oil hose 18;

[0066] h. Start the oil pump 19, push the drainage line 2, and tighten the micro oil pump 19 until there is no stroke change; the micro stroke sensor 15 controls the output end of the micro jack 14 and automatically stops working;

[0067] i. After debugging is normal, install the drainage pipeline 2 section by section until the drainage pipeline 2 is completely installed;

[0068] Step 4: Re-establish the building model's position and elevation based on the optimized design of the rainwater well 1, drainage pipeline 2, power pipeline 3, gas pipeline 4, communication pipeline 5, water pipeline 6, and heating pipeline 7, allowing them to be installed floor by floor and section by section, with the new pipelines passing through the existing pipelines.

[0069] Step 5, build a rainwater well 1;

[0070] The joints of the prefabricated drainage pipe 20 and the joints between the prefabricated drainage pipe 20 and the rainwater well 1 are sealed with waterproof mortar 21, and then the surfaces are painted with waterproof coating 22 to form a sealed whole.

[0071] All joints of the prefabricated drainage pipes 20 are sealed and coated with waterproof coating 22. After curing, a water pressure test is carried out; if there is no leakage, the installation of the prefabricated drainage pipes 20 is completed;

[0072] Before using the drainage pipe docking and pressing device 7, perform inspection, calibration and debugging;

[0073] Control the location, elevation and water pressure test of the municipal drainage network; when the results do not exceed the acceptance specifications and meet the quality and stability requirements, conduct control tests until the construction of each outdoor municipal pipeline project is completed.

[0074] See Figure 5 As shown, in step 5, the rainwater well 1 is connected to the prefabricated drainage pipe 20; and multiple groups of connections are set on the prefabricated drainage pipe 20, and an interface ring 23 is provided at the connection between adjacent prefabricated drainage pipes 20, and an annular stainless steel plate 9 is provided inside the interface ring 23, and the interior of the stainless steel plate 9 is filled with waterproof mortar 21; both sides of the connection between the rainwater well 1 and the prefabricated drainage pipe 20 are filled with waterproof mortar 21.

[0075] Design specifications: The optimized design complies with the following: a. Pressurized pipelines give way to non-pressurized pipelines; b. Shallow buried pipelines give way to deep buried pipelines; c. Single pipes give way to double pipes; d. Flexible material pipelines give way to rigid material pipelines; e. Small diameter pipelines give way to large diameter pipelines.

[0076] The stroke control error of the drainage pipe docking and clamping device 7 does not exceed 3mm; the position and elevation detection of the outdoor municipal pipe network does not exceed the set error of 10mm, and there is no leakage in the water pressure test. After the construction is completed, the drainage pipe docking and clamping device 7 is maintained in time.

[0077] Example 2

[0078] like Figure 6-8 FIG. 2 is another embodiment of the present invention. Based on Example 1, a conical tube 24 is installed between the interface ring 23 and the rainwater well 1. One side of the conical tube 24 is tightly connected to the rainwater well 1, and the other side is tightly connected to the interface ring 23.

[0079] A filling port is provided in the interface ring 23 , a labyrinth cavity 25 is provided in the conical cylinder 24 , the labyrinth cavity 25 is communicated with the filling port, and a feed port is provided at the top; a sealing plug 28 is installed in the feed port.

[0080] like Figure 8 As shown, the labyrinth cavity 25 includes an annular sub-cavity 26 and a discharge sub-cavity 27, with a node provided between the annular sub-cavity 26 and the discharge sub-cavity 27; the filling port is located in the discharge sub-cavity 27. The annular sub-cavities 26 are provided in multiple consecutive groups, and their diameters gradually increase horizontally from the interface ring 23 toward the rainwater well.

[0081] The above description is merely a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any modification or equivalent variation based on the technical essence of the present invention shall still fall within the scope of protection claimed by the present invention.

Claims

1. A method for constructing an outdoor municipal pipe network, characterized in that: The following steps are involved: Step 1: Before constructing the outdoor municipal pipe network, build a building model; including: Distribute pipelines in the order of rainwater wells (1), drainage pipelines (2), power pipelines (3), gas pipelines (4), communication pipelines (5), water pipelines (6) and heat pipelines (7), establish architectural models of new pipelines and existing pipelines, and perform collision checks on positions and elevations; Step 2, optimize the layout design of the various pipelines in step 1; Step 3: Make the drainage pipe docking and pressing device (8): a. According to the different diameters of the drainage pipe (2), two clamps (10) are made by cutting and welding a δ10mm stainless steel plate (9); the arc length of the clamp (10) is not less than the semicircle circumference of the corresponding drainage pipe (2); b. Set Φ18mm stainless steel round steel (12); c. Mounting holes (11) are drilled at both ends and in the middle of the clamp (10), and the surface is smoothed; the diameter of the mounting hole (11) is smaller than the diameter of the stainless steel round steel (12) by 2 mm; d. Using three Φ18mm stainless steel round steel (12), one end is processed into a length of 50mm threaded thread, and penetrates the mounting hole (11) and tightens the nut (13); the other end is connected to the output end of the micro jack (14); e. A micro-stroke sensor (15) is mounted outside the micro-jack (14), with the detection end facing the clamp (10); f. After the drain pipe (2) and the drain pipe socket (16) are docked, the clamp (10) is inserted into the drain pipe (2) protruding socket (16); g. The micro jack nozzle (17) on the micro jack (14) is connected to the oil pump (19) via an oil hose (18); h. Start the oil pump (19), push the drainage line (2), and tighten the micro oil pump (19) until there is no stroke change; the micro stroke sensor (15) controls the output of the micro jack (14) and automatically stops working; i. After normal debugging, install the drainage pipeline (2) section by section until the drainage pipeline (2) is completely installed; Step 4: Re-establish the building model position and elevation according to the optimized design of the rainwater well (1), drainage pipeline (2), power pipeline (3), gas pipeline (4), communication pipeline (5), water pipeline (6) and heating pipeline (7), so that they can be installed layer by layer and section by section, with the newly built pipeline passing through the original pipeline; Step 5, building a rainwater well (1); After the joints of the prefabricated drainage pipe (20) and the joints between the prefabricated drainage pipe (20) and the rainwater well (1) are sealed with waterproof mortar (21), the surfaces are painted with waterproof coating (22) to form a sealed whole; All joints of the prefabricated drainage pipes (20) are sealed and coated with waterproof coating (22). After the curing is completed, a water pressure test is carried out; if there is no leakage, the installation of the prefabricated drainage pipes (20) is completed; Before using the drainage pipe docking and pressing device (7), perform inspection, calibration and debugging; Control the location, elevation and water pressure test of the municipal drainage network; when the results do not exceed the acceptance specifications and meet the quality and stability requirements, conduct control tests until the construction of each outdoor municipal pipeline project is completed.

2. The outdoor municipal pipe network construction method according to claim 1, characterized in that: In step 5, the rainwater well (1) is connected to the prefabricated drainage pipe (20); and multiple groups of connections are set on the prefabricated drainage pipe (20), and an interface ring (23) is set at the connection between adjacent prefabricated drainage pipes (20), and an annular stainless steel plate (9) is set in the interface ring (23), and the interior of the stainless steel plate (9) is filled with waterproof mortar (21); Both sides of the connection between the rainwater well (1) and the prefabricated drainage pipe (20) are filled with waterproof mortar (21).

3. The outdoor municipal pipe network construction method according to claim 1, characterized in that: In step 2, the optimized design complies with the following: m. Pressurized pipelines give way to unpressurized pipelines; l. Shallow buried pipelines give way to deep buried pipelines; n. Single pipes give way to double pipes; o. Flexible material pipelines give way to rigid material pipelines; p. Small diameter pipelines give way to large diameter pipelines.

4. The outdoor municipal pipe network construction method according to claim 1, characterized in that: The stroke control error of the drainage pipe docking and pressing device (7) does not exceed 3 mm; The position and elevation of the outdoor municipal pipe network are tested to ensure that the error does not exceed the set 10mm, and the water pressure test shows no leakage. After the construction is completed, the drainage pipe docking and tightening device (7) is promptly maintained.

5. The outdoor municipal pipe network construction method according to claim 2, characterized in that: A conical cylinder (24) is installed between the interface ring (23) and the rainwater well (1), one side of the conical cylinder (24) is tightly connected to the rainwater well (1), and the other side is tightly connected to the interface ring (23); A filling port is provided in the interface ring (23), a labyrinth cavity (25) is provided in the conical cylinder (24), the labyrinth cavity (25) is communicated with the filling port, and a feed port is provided at the top; a sealing plug (28) is installed in the feed port.

6. The outdoor municipal pipe network construction method according to claim 5, characterized in that: The labyrinth cavity (25) comprises an annular sub-cavity (26) and a blanking sub-cavity (27), a node being provided between the annular sub-cavity (26) and the blanking sub-cavity (27); the filling port is located in the blanking sub-cavity (27).

7. The outdoor municipal pipe network construction method according to claim 6, characterized in that: The annular sub-cavities (26) are provided in a plurality of continuous groups, and their diameters gradually increase in a horizontal direction from the interface ring (23) toward the rainwater well.

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