5439results about "Sewer pipelines" patented technology

The invention relates to the technical field of mine side slope restoration, in particular to a mine side slope ecological restoration method which comprises the following steps: S1, performing field investigation and evaluation, and performing comprehensive surveying and mapping on the landform of a mine side slope by using a high-precision surveying and mapping instrument; the anti-seismic effect and the prevention and control of water and soil loss are prominent, the anti-seismic performance is enhanced through deep rock mass anchoring reinforcement, large-diameter and high-strength anchor cables are adopted, bed rock is deeply stabilized, prestress is applied, the integrity of the rock mass is enhanced, reinforced concrete anti-sliding piles are arranged near potential sliding surfaces, the anti-sliding capacity is improved, and the anti-seismic effect is achieved. When a damping ditch is dug between a slope top and a blasting area, loose gravel is filled to weaken vibration energy, the anti-seismic performance of the side slope is comprehensively improved, and water and soil loss is prevented, a drainage system is constructed to intercept surface water, vegetation is reasonably configured, planting grooves and fish-scale pits are arranged, an ecological restoration composite structure layer is built, and a grass spraying and planting and vine climbing system is combined. And water and soil loss is reduced through multiple measures.

This resin trough body has an approximately U-shape cross-sectional shape that includes a bottom section and side sections on the two sides. Vertical reinforcement ribs are formed at a prescribed interval on the outer surface of both side sections of a trough body of a prescribed length. Further, near the front and back ends of the trough body, horizontal ribs are formed so as to link two vertical ribs. An accommodation space for accommodating a grating lid is formed by a pair of L-shape members being fixed with bolts to a fixing jig that has been attached to the horizontal ribs. The grating lid is accommodated in said accommodation space, and the grating lid is fixed to a bolt fixing section, which is a mounting hole formed in the horizontal plane of the L-shape members.

The present invention relates in general to a linear drain system for terminating installed tiles at the edges of balconies or terraces and redirecting water away from the walls below. The assembly has an elongate channel section forming a longitudinally extending trough, the trough having a floor with a first interior surface shape and a pair of wall sections extending substantially vertically upward from opposing longitudinal edges of the floor. An insert is releasably disposed in the elongate channel section to overlie the trough floor. At least one outlet assembly having a central mounting portion with a surface shape that is the same as the first interior surface shape of the floor and is connected to the floor. The at least one outlet assembly is coupleable to a plumbing system. An elongate edge assembly extends longitudinally from one of the pair of wall sections of the elongate channel section. A flange extends orthogonally from an upper edge of the wall section with a leg portion extending downwardly from a longitudinal edge of the flange. The leg portion has a lip extending outwardly at an angle from a distal end of the leg portion. The floor drain assembly is positioned adjacent to a free edge of the balcony with the leg portion and lip of the elongate edge assembly positioned to direct fluids away from a vertical face of the free edge of the balcony.

Systems and methods of installing a fixture into a material are provided. The fixture includes a body and a cover assembly that is removably coupled to the body and configured to move relative to the body once the body has been secured within the material. The cover assembly includes a movable component configured to aid removal of the cover assembly.

The invention discloses an urban rainwater pipe network blockage risk early warning method and system based on edge calculation, and relates to the technical field of urban drainage monitoring. The problems that existing pipe network blockage detection lags behind, and the early warning precision is insufficient are solved. Dynamic hydraulic parameters and sediment migration state data of a pipe section are collected in real time through edge calculation equipment deployed at a pipe network node, the hydraulic state deviation rate is calculated, and the local blockage risk is rapidly recognized; when the deviation rate exceeds a threshold value, a dynamic sensing network is established by the trigger nodes, and a pipe network hydraulic topological relation is established by integrating the liquid level and flow velocity characteristics of the upstream and downstream nodes; executing distributed collaborative analysis based on the topological relation, identifying an abnormal attenuation area, calculating a sediment dynamic equilibrium index, and generating a blockage diagnosis parameter; and further combining real-time rainfall intensity to predict an overflowing capacity attenuation curve, generating a multi-stage early warning instruction according to an attenuation slope, and distributing the multi-stage early warning instruction to an operation and maintenance terminal, thereby realizing accurate early warning and active regulation and control of the blockage risk of the rainwater pipe network.

The invention discloses a weak intercalated layer control-based closed conduit-slope system optimization layout method, which comprises the following steps of S1, geological survey and parameter acquisition: accurately positioning a weak intercalated layer through a geological radar and drilling coring, and determining a rock-soil body strength parameter by combining a laboratory rock-soil mechanical test, geological radar data and rock-soil body strength parameters are analyzed through a random forest algorithm, and the interlayer space distribution rule is predicted. By combining geological survey, numerical simulation, intelligent optimization and dynamic monitoring technologies, scientific layout and adjustment of a closed conduit-side slope system are realized, a weak intercalated layer seepage path is accurately cut off, the safety coefficient of the side slope is effectively improved, meanwhile, expansion of a plastic zone is effectively inhibited, settlement of an overlying soil body or large-range deformation of the side slope is reduced, and the stability of the side slope is improved. The seepage stability and the stress slow release capacity of the system are enhanced, the safety of the water diversion project in a complex geological area is improved, and an operable technical path and basis can be provided for layout of similar projects in the future.

The invention relates to the technical field of urban drainage management, and discloses a municipal sewage pipe network dynamic drainage system and a control method, and the system comprises a sewage pipe network, a central controller, a pump station, a valve and an edge control terminal; the control method comprises the following steps that real-time data are obtained from a plurality of sensors arranged in a sewage pipe network, the plurality of sensors comprise a flow sensor, a water level sensor, a pressure sensor and a rainfall sensor, and the obtained real-time data comprise the sewage flow, the water level, the pipeline pressure and the external rainfall inflow in the pipe network; based on the collected real-time data, dynamic hydraulic modeling is carried out on the sewage pipe network through a central controller, a mathematical model for describing the hydraulic state change of the pipe network is established, and the mathematical model comprises spatio-temporal evolution of flow, water level and pressure. According to the invention, by constructing a drainage scheduling mechanism based on real-time data modeling and edge control linkage, dynamic adjustment and stable control of the running state of the sewage pipe network are realized.

A linear drain assembly is provided. The linear drain assembly includes a base portion, a first peripheral portion slidable relative to the base portion, and a sealing member disposed between the first peripheral portion and the base portion forming a seal between the base portion and the first peripheral portion.

The invention discloses a drainage pipeline multi-parameter sensing trenchless repair dynamic regulation and control method and system. Through a fusion technology path of multi-source comprehensive data acquisition, edge calculation real-time cross validation of abnormity, pipeline state simulation analysis of defect levels, intelligent algorithm dynamic adjustment of repair parameters and geographic information visualization platform full-process monitoring, closed-loop management from abnormity identification to repair regulation and control is realized. A comprehensive data set is formed through multi-source data acquisition, an edge computing technology is utilized to quickly identify abnormities, a simulation technology is combined to evaluate the severity of defects, then process parameters are optimized and repaired based on defect levels, and a regulation and control instruction is generated through linkage of a visual platform and a pump station dispatching system. And finally, a pipeline repair and operation regulation and control scheme is formed through integration, and the repair effect and the system stability are ensured. According to the method, the pipeline abnormity processing accuracy and the repairing efficiency are remarkably improved, and a technical guarantee is provided for safe and stable operation of an urban drainage system.

The invention discloses a filtering anti-blocking structure of a drainage pipe for road maintenance, and relates to the technical field of sewage discharge. The filtering anti-blocking structure of the drainage pipe for road maintenance comprises a first pipeline, and the top of the first pipeline is fixedly connected with a first filtering mechanism. According to the filtering anti-blocking structure of the drainage pipe for road maintenance, sewage is preliminarily filtered by arranging the conical filtering cylinder, and the sewage is secondarily filtered by arranging the first filtering disc and the second filtering disc in a matched manner, so that the situation that a single filtering net is easily and instantly blocked by large-particle impurities is avoided, the pressure of post-stage filtering is reduced, and the filtering efficiency is improved. A limiting rotating ring block is arranged, a first driving motor is started, the limiting rotating ring block is finally driven to rotate through gear meshing, at the moment, a rotating ball continuously slides on the surface of the limiting rotating ring block, and a first spring is matched, so that a second fixing block periodically reciprocates; finally, the banister brush is promoted to clean the through holes of the conical filter cartridge, and the through holes are prevented from being blocked.

The utility model discloses a river channel engineering construction slope protection structure, which belongs to the field of slope protection structures, and is characterized by comprising a body mechanism, a connecting mechanism is mounted at the outer end of the body mechanism, a slope protection mechanism is mounted at the outer end of the connecting mechanism, the connecting mechanism comprises reinforcing plates, the reinforcing plates are uniformly distributed at the outer end of the body mechanism, mounting frames which are symmetrically distributed are mounted at the outer ends of the reinforcing plates, and connecting rods are mounted at the outer ends of the mounting frames. The inner end of the mounting frame is slidably connected with a positioning rod; by arranging the connecting rods and the positioning rods, when the slope protection reinforcing structure is installed, the positioning rods at the outer ends of the multiple reinforcing plates are inserted into the inner end of the mounting frame outside the other reinforcing plate, the multiple reinforcing plates can be conveniently assembled, the positioning rods drive the clamping blocks to be stably clamped to the inner ends of the connecting rods, and therefore the multiple reinforcing plates are more convenient to assemble; arrangement and installation are convenient, and the protection effect of the slope protection structure is improved.

The invention relates to the technical field of building engineering management, in particular to a building water supply and drainage system based on a building BIM (Building Information Modeling), which comprises a pipeline drawing generation module, an interface arrangement verification module, an arrangement space detection module, an operation data monitoring module and a fluid risk early warning module. According to the method, standardized drawing mapping of the pipeline trend, size and node layout is achieved through structured extraction of the BIM model, it is ensured that drawing output is complete and consistent, interface offset is automatically compared, abnormal arrangement is accurately recognized, the installation accuracy is improved, component conflicts can be pre-judged through space node clear distance analysis, field coordination is assisted, and the construction efficiency is improved. The method comprises the following steps: monitoring flow velocity pressure of a key drainage section, screening abnormal nodes, filing a hydraulic state, analyzing high-frequency risk points in a time sequence, marking continuous abnormity, providing operation early warning support, constructing drawing generation, arrangement verification, space coordination and a data feedback closed-loop process, and improving construction design accuracy and system operation stability.

Systems and methods of installing a fixture into a material are provided. The fixture includes a body and a cover assembly that is removably coupled to the body and configured to move relative to the body once the body has been secured within the material. The cover assembly includes a movable component configured to aid removal of the cover assembly.

The invention relates to the technical field of foundation pit construction, in particular to a foundation pit dewatering system and a foundation pit dewatering arrangement method.The foundation pit dewatering system comprises a first-stage platform, a second-stage platform and a third-stage platform which are arranged around a foundation pit, and the elevations of the first-stage platform, the second-stage platform and the third-stage platform are sequentially decreased; a plurality of first dewatering deep wells are arranged on the first-stage platform, a plurality of second dewatering deep wells are arranged on the second-stage platform, and a plurality of third dewatering deep wells are arranged on the third-stage platform; drainage ditches and / or water collecting wells are dug in the base of the foundation pit; digging a drainage channel at the top of the foundation pit; sewage in the first precipitation deep well, the second precipitation deep well, the third precipitation deep well, the drainage ditch and / or the water collecting well is discharged into the drainage channel and discharged into the sea through the drainage channel. According to the foundation pit dewatering system, through scientific arrangement of the graded dewatering deep wells and efficient cooperation of drainage facilities, the limitation of a traditional dewatering technology under the tidal influence and complex geological conditions is overcome, the construction safety, reliability and efficiency are improved, and the stability of a foundation pit is enhanced.

The invention discloses an agricultural small-watershed integrated water and soil loss prevention and control method, which comprises the following steps of: performing source reduction in a slope cropland area with the gradient of more than 6 degrees to control a slope cropland erosion source so as to treat surface erosion and runoff expansion; process blocking and control are conducted from the middle upstream area to the middle downstream area, and sediment migration is blocked and the confluence speed is adjusted through linkage of the grading ditch system and the sedimentation and storage facility; tail end purification is carried out in a drainage basin outlet area, water quality is purified through ecological engineering measures, and a drainage basin outlet is stabilized; the technical problems that in the prior art, comprehensive prevention and control means starting from the whole drainage basin are lacked, traditional measures have obvious defects in the aspects of function coupling, space coordination and ecological restoration capacity, and the dual requirements of current agricultural green development and ecological environment protection are difficult to meet are solved.

A strap-supported grate section in a surface-supported drain grate system includes a drain grate; at least one inner strapping member having a middle portion affixed on a top facing inner section of the drain grate; and two anchor strapping members, each of which has a middle portion that is affixed on a top facing edge of the drain grate. Outer portions of each anchor strapping member and outer portions of the inner strapping member are not affixed to the drain grate. The outer portions of the anchor strapping members and the inner strapping member are surface mountable on a surface adjacent to a drain structure in which the strap-supported grate section is inset to provide structural support for the strap-supported grate section.

The invention discloses a stepped layered soil fixation and slope protection structure based on plant root system bionics, and belongs to the technical field of ecological slope protection, the stepped layered soil fixation and slope protection structure comprises a stepped frame, a soil fixation module and a water circulation module, the stepped frame is composed of a plurality of slope protection units, the slope protection units are arranged in a stepped mode along a slope surface to form a multi-layer stepped platform, and the water circulation module is connected with the soil fixation module. The adjacent step platforms are connected through anchor rods, the slope protection units are hollow, and root system imitating grooves are formed in the slope protection units. The soil fixation module is arranged in the slope protection unit and is divided into a base layer module, a middle module and a surface layer module from bottom to top; the water circulation module is connected with the step platforms of all the layers and supplies water to vegetation. According to the layered plant root system bionic structure, the anti-sliding and anti-scouring capacity is improved, the stepped structure is adopted, slope runoff is dispersed through the stepped platform, meanwhile, the growth space of plants is provided, engineering materials and the plants are combined, the efficient, ecological and lasting soil fixation and slope protection structure is formed, construction is convenient and fast, and the structure can adapt to complex terrains.

The invention discloses a foundation treatment method for determining the thickness of a replacement cushion layer of an underground water supply and drainage pipeline. The foundation treatment method comprises the steps that S1, it is determined that a pipeline foundation is a concrete foundation or a gravel foundation; s2, the required foundation bearing capacity is calculated; s3, checking whether the bearing capacity of the uncorrected pipe bottom soil layer foundation meets the design requirement or not, and if yes, carrying out foundation treatment of replacing and filling a cushion layer; if not, foundation treatment of the replacement cushion layer is conducted, and the thickness of the replacement cushion layer is calculated according to the following formula; according to the method, the accuracy and quickness of calculation of the replacement thickness are improved, the working efficiency is improved, unnecessary waste is reduced, the foundation treatment method for determining the foundation bearing capacity needed by pipelines with different pipes, pipe diameters and earthing thicknesses and the thickness of the replacement cushion layer is provided, the needed foundation bearing capacity is determined according to the different pipes, pipe diameters and earthing thicknesses, and the foundation treatment effect is improved. And when a soft soil layer exists at the bottom of the pipe, a foundation treatment method adopting a replacing and filling cushion layer is provided, the requirement for foundation bearing capacity can be met, and safe operation of the pipe is guaranteed.

The invention discloses a drainage and prevention combined type embankment structure and a construction method, and belongs to the technical field of water conservancy projects. The embankment structure comprises a base and a protection structure arranged on the base in a coherent mode, the protection structure is composed of main pipe piles and arc-shaped sheet piles which are arranged at intervals, and an embankment is divided into a backwater side and a waterside. Side edge and top consolidation bodies are formed at the bottoms of the main pipe piles through grouting of the auxiliary pipe piles and the miniature pipes so as to enhance bearing; the arc-shaped sheet piles are tightly connected with the main pipe piles through the connecting end plates, the cap beams, the locking opening pipes and the connecting bolts, and a sealing anti-seepage system is formed on the backwater side. Meanwhile, a water collecting and draining system is arranged in the main pipe pile, and water on the water facing side is allowed to be drained orderly through the water collecting holes, the graded gravel materials, the water collecting pipe and the drainage blind pipe. Through combination of'prevention 'and'drainage', the anti-seepage safety of the backwater side is ensured, seepage water is timely dredged to eliminate seepage pressure, damage to the structure caused by water pressure accumulation is avoided, and unification of stability and safety of the embankment structure is achieved.

The invention relates to the technical field of road drainage engineering, in particular to a road drainage system after municipal transformation of a road. The rainwater distribution condition after municipal transformation of the expressway is considered as a whole, the drainage structure is reasonably arranged to be effectively connected with a municipal drainage system, graded drainage is achieved, drainage pressure is reduced, and the rapid drainage requirement of municipal transformation of the expressway is met; the road drainage system is beneficial to reducing the pressure of a downstream drainage pipeline, reducing the specification of the drainage pipeline and reducing the engineering investment.

The invention relates to the technical field of drainage management, and discloses a drainage pipe network mixed connection and misconnection checking system, method and device, and the system comprises an infrasonic wave fingerprint sounder, an infrasonic wave fingerprint receiver and a data background which are in wireless connection in sequence. The infrasonic wave fingerprint sounder is arranged at a pipe opening of a target drainage pipeline, and the infrasonic wave fingerprint receiver is arranged in a drainage pipeline opening in a target diagnosis area; the infrasonic wave fingerprint generator encodes the infrasonic wave fingerprint to obtain an encoded infrasonic wave signal, and sends the encoded infrasonic wave signal into the target drainage pipeline; the infrasonic wave fingerprint receiver collects infrasonic wave fingerprint signals of the drainage pipeline opening in the target diagnosis area; and the data background performs pipeline communication detection and mixed and wrong connection point judgment based on the coded infrasonic wave signal and the infrasonic wave fingerprint signal to obtain a drainage pipe network mixed and wrong connection troubleshooting result. According to the method, the accuracy of a drainage pipe network mixed connection and misconnection troubleshooting result is ensured, and the troubleshooting efficiency is improved.

The invention belongs to the technical field of constructional engineering materials, and particularly relates to anti-corrosion concrete as well as a preparation method and application thereof. The anti-corrosion concrete is prepared from the following raw materials: Portland cement, fly ash, mineral powder, coarse sand, gravel, a polycarboxylic acid water reducer, an early strength agent, an air entraining agent, imidazolium ionic liquid and carbon modified g-C3N4. The imidazolium ionic liquid and the carbon modified g-C3N4 are added into the concrete, so that the compressive strength and the corrosion resistance of the concrete can be coordinately improved, and the prepared concrete is particularly suitable for the fields of municipal drainage systems and the like with high corrosion resistance requirements on concrete materials.

The multifunctional self-powered intelligent municipal pipeline well system comprises a pipeline well and an intelligent well lid module, external pipelines communicating with the interior of the pipeline well are arranged on the two sides of the pipeline well, and the two external pipelines are connected through an anti-blocking power generation module and Internet of Things pipeline equipment; the anti-blocking power generation module and the Internet of Things pipeline equipment are located in the pipeline well, and the intelligent well lid module, the anti-blocking power generation module and the Internet of Things pipeline equipment are connected through communication cables and form a power supply / communication loop. The system integrates real-time monitoring, self-power supply, anti-blocking and data transmission functions, realizes data remote transmission access, unattended operation, efficient operation and maintenance and intelligent management through multi-energy complementary power supply, integrated monitoring and anti-blocking design, can provide powerful Internet of Things data support for a pipe network data model or a city information model, improves the toughness of a pipe network, and reduces the construction cost. The method is suitable for intelligent management of urban underground drainage, sewage pipe networks and infrastructures of the internet of things.

The invention relates to a construction method for a roadbed penetrating through a V-shaped valley area, and belongs to the technical field of foundation engineering and foundation treatment. The problems of low foundation drainage efficiency, filling side slope instability and differential settlement control in V-shaped valley roadbed construction are solved. According to the technical scheme, a groove is dug along the bottom of a valley, a gravel drainage blind ditch wrapped by permeable geotextile is laid, and a foundation drainage system is formed; during layered filling, a vibratory roller with a piezoelectric sensor embedded into a steel wheel is adopted; after every two layers are filled, one-way geogrids are laid along the slope and vertically anchored into the compaction layer through U-shaped anchoring parts; a transverse drainage pipe is pre-buried when filling is conducted to a foundation bearing capacity sudden change point threshold value; and after filling is completed, a settlement monitoring array is arranged. According to the method, through system integration of foundation drainage structure optimization, filling body intelligent compaction and differential settlement dynamic treatment, the bearing stability of the fill roadbed under the complex terrain is remarkably improved, and the method is suitable for foundation construction and disaster prevention and control of the V-shaped canyon section of the mountain road.

The utility model relates to the technical field of drainage pipelines, in particular to a self-cleaning drainage pipeline which comprises a pipeline body provided with a water inlet end and a water outlet end, a shell is arranged on the outer wall of the pipeline body, a filter plate is detachably connected in the shell, and a cleaning mechanism is arranged on the inner wall of the pipeline body. The cleaning mechanism comprises two lantern rings, the interiors of the two lantern rings are rotationally connected with a rotating shaft, the end, close to the filter plate, of the rotating shaft is fixedly connected with a brush plate abutting against the filter plate, the outer wall, close to the water inlet end, of the rotating shaft is fixedly connected with a plurality of paddles, and the outer wall of the rotating shaft is fixedly connected with a plurality of connecting rods; the paddle driven by water flow is linked with the rotating shaft to synchronously drive the brush plate and the spiral scraping plate to rotate, so that automatic brushing of the filter plate and continuous scraping of impurities on the inner wall of the pipeline are realized. External electric power or mechanical power is replaced with fluid kinetic energy, self-cleaning is completed under the condition of zero extra energy consumption, and filter plate pore blockage and pipe wall sediment accumulation are effectively avoided.

The invention discloses a breathable anti-seepage structure layer suitable for roadbed slope protection. The breathable anti-seepage structure layer comprises a coarse grain layer, a fine grain layer, plant straw and a drainage ditch. The coarse-grained layer is laid on the roadbed slope, the fine-grained layer is laid on the coarse-grained layer, the plant straws are inserted into the fine-grained layer and are inserted into the interface of the fine-grained layer and the coarse-grained layer, and the drainage ditch is arranged at the position where the toe of the roadbed slope is in contact with the interface of the fine-grained layer and the coarse-grained layer; according to the invention, through two special methods of inserting the plant straws into the fine grain layer and doping the expansion material particles into the coarse grain layer, high air permeability and ultra-strong seepage prevention of the structural layer are realized, the problems of'pot cover effect 'and capillary retardation failure are effectively prevented, and the method has good economic, environment-friendly and social benefits.

The present invention discloses a rainwater collection device based on a sponge city and its collection method, specifically relating to the technical field of rainwater collection. It includes a reservoir and a sedimentation cylinder. A manhole and a reuse well are arranged inside the reservoir. A first sewage discharge hole is opened at the bottom of the sedimentation cylinder, and a first sealing member is arranged in the first sewage discharge hole. When the water storage in the sedimentation cylinder is relatively large, the first sealing member can change the sealing state according to the accumulated water volume inside the sedimentation cylinder. A stirring member is arranged at the inner bottom of the sedimentation cylinder, and the stirring member can stir the sediment at the first sewage discharge hole when the first sewage discharge hole is opened. A second water inlet pipe is arranged on the side wall of the sedimentation cylinder. By pre-opening the sewage outlet according to the precipitation and the water storage volume inside the reservoir, and keeping the accumulated water inside the reservoir at a certain water level, the present invention enables the reservoir to have a certain buffer space, so as to ensure that when there is heavy rain or continuous rain resulting in a large precipitation, the rainwater collection device can quickly discharge floodwater to prevent urban waterlogging.

The invention discloses a protection structure and method for avoiding water and soil loss, and relates to the field of environmental protection, the protection structure comprises a side slope main body, the surface of the side slope main body is provided with a bearing assembly, a planting assembly and a fixing assembly, and the planting assembly can be fixed to the surface of the bearing assembly through the fixing assembly; the bearing assembly is fixed to the surface of the slope body. Through the water retaining strips and the turbulent flow blocks fixed to the surface of the box body, water flow can be divided, scouring and erosion of the water flow to a slope can be reduced, the service life of the slope is prolonged, vegetation and soil on the slope can be protected, and the stability of the ecological environment can be maintained. And meanwhile, the drainage grooves can guide the divided water flow, so that the water flow can flow along a specified path, the water flow is prevented from directly impacting the side slope, scouring and erosion of the side slope are reduced, the water flow is prevented from being gathered and accumulated below the side slope, and the risks of foundation loosening and landslide are reduced.

The invention provides an anti-impact water supply and drainage pipeline which comprises a pipe body, a supporting frame, a protective pipe and a positioning frame, and connecting flanges are arranged at the two axial ends of the pipe body respectively; the supporting frame is arranged in the pipe body and abuts against the inner wall of the pipe body. The protection pipe is arranged on the outer side of the pipe body in a sleeving mode, and an elastic element connected with the pipe body is arranged on the inner wall of the protection pipe. The positioning framework is arranged on the outer side of the protection pipe and used for positioning and installing the water supply and drainage pipeline. The supporting frame is arranged in the pipe body to enhance the strength of the pipe body, and meanwhile, the chamfer is arranged on the supporting ring to prevent sundries in water from being accumulated at the position; the protection pipe and the elastic element are arranged outside the pipe body, on one hand, the pipe body is protected from the outer side, on the other hand, water flow impact borne by the pipe body can be slowly released, the pipe body is prevented from being damaged, and the service life of the water supply and drainage pipeline is prolonged.