14 results about "Weep" patented technology

The invention relates to the technical field of tunnel engineering, and discloses a complex mountainous area tunnel fracture zone weak surrounding rock collapse processing method, which comprises the following steps: carrying out geological forecast through a geophysical prospecting and drilling combined mode to identify the development conditions of geology and underground water in front of a tunnel construction direction; weep holes are formed in arch feet of the left side and the right side of the tunnel face in the construction direction, and gate valves are installed at hole openings of the weep holes; the soft water-rich rock mass in the front is consolidated through an advanced pre-reinforcement grouting technology; a three-step core soil reserving method is adopted for excavation, an upper pilot tunnel is excavated in the circumferential direction, concrete is initially sprayed immediately after excavation, a steel frame is arranged, and then anchors, sprayers and nets are constructed; repeating the pre-reinforcement grouting technology and the excavation step of the three-step core soil reserving method until passing through the collapse section; according to the treatment method, risks caused by collapse, initial support deformation arch replacement and the like and time consumed for treatment are prevented, risks caused by collapse and later initial support deformation limit invading arch replacement are prevented, the construction progress is accelerated, and the cost is reduced.

The utility model relates to the technical field of pipeline for chemical production provides the device for covering liquid ditch, it includes reel and is equipped with drive motor on reel, is provided with covering body around on reel, the both ends of reel and among the middle are equipped with mounting seat, the mounting seat on both ends contains pivot, and the free end of two support bars articulated in one end is respectively with pivot sleeve joint, with the both ends of connecting rod that is arranged in parallel with reel is connected, covering body is connected with connecting rod, drive motor controls reel rotation to make connecting rod close or away from reel, the local of support bar is equipped with the convex hull that protrudes from the surface of support bar. The utility model not only has realized automatic covering liquid ditch or automatic removal to the covering of liquid ditch, has promoted the practicality of covering liquid ditch device, has effectively promoted the hydrophobicity of the device simultaneously.

The utility model belongs to the technical field of weep hole filters, and relates to a novel weep hole filter combination device, which comprises a filter and a hoop, the hoop is arranged on the filter, the filter is connected with a sleeve, the filter comprises an outer filter layer, an inner filter layer and a guide connecting pipe, the inner filter layer is arranged inside the outer filter layer, and the guide connecting pipe is connected with the inner filter layer. The outer filter layer is arranged on the hoop, the lower end of the outer filter layer is provided with a guide connecting pipe connected with the sleeve, the sleeve is attached to the well wall of the drainage hole, the sleeve and the filter are prevented from slipping off from the drainage hole, mud and sand are prevented from entering the drainage sleeve, pipe blocking is avoided, gravel plays a primary filtering role, the filter plays a secondary filtering role and a tertiary filtering role, and the drainage hole is formed. The hoop is clamped in the gap between the filter and the water vortex bottom plate, the filter is clamped and supported upwards so that the filter can not slide downwards and be separated from the water drainage hole, the hoop is of an adjustable tightness type and has the function of clamping the gap between the bottom of the filter and the bottom of a chamber, and it is guaranteed that the filter and the sleeve can not slide down from the interior of the water drainage hole.

Weeping systems for fenestration units are disclosed. In an implementation, an apparatus includes a fenestration unit, including a frame, including a head, a first jamb, a second jamb, and a sill. The first jamb and the second jamb coupled to and between the head and the sill. The head, the first jamb, the second jamb, and the sill include a perimeter drainage channel. Each of the head and the sill include weep holes fluidly coupled to the perimeter drainage channel.

The utility model provides a weep hole cleaning device, which relates to the technical field of bridge maintenance equipment and specifically comprises a suction assembly, a collection assembly and a negative pressure mechanism, the negative pressure generating piece generates high-speed airflow and is connected to the suction pipe through the negative pressure amplifying piece, so that the high-speed airflow facing the containing space is generated in the suction pipe, negative pressure is formed at the end, away from the collecting assembly, of the suction pipe, the suction pipe is inserted into the water drainage hole, and the suction pipe can suck deposits in the water drainage hole into the suction pipe; the negative pressure amplification piece can increase the flow speed of the air flow so as to further improve the strength of the generated negative pressure and ensure that the suction pipe can smoothly suck the deposits into the containing space, so that the weep hole is cleaned, the cleaning efficiency is high, the cleaning effect is good, the pipeline is not prone to being damaged, the deposits can be collected, and the practicability is high. And environmental pollution caused by the fact that deposits easily fall into local roads or water source protection areas again is avoided.

Systems and methods for creating a weep hole in an uncured, concrete, hollow core structural component having one or more external surfaces and one or more internal surfaces. The weep hole is drilled using a drilling apparatus comprising a drill, a rotating drill bit with an internal fluid passageway, a power source, and a pressurized fluid source. Loose, uncured concrete material deposited near the weep hole on the one or more internal surface as a result of drilling the weep hole is removed by releasing pressurized fluid which flows from the pressurized fluid source, through the drill and the rotating drill bit.

An insert (10) for a weep hole opening in a wall, said weep hole insert comprising: a tubular body (12) defining at least one air flow conduit (14) extending therethrough, along a first axis (L), from a first open end (12a) of the tubular body to a second open end (12b) thereof, the tubular body comprising an operatively front portion (12') in which the first open end is defined and an operatively rear portion (12") in which the second open end is defined; a grate (16) connected to the operatively front portion of the tubular body, the grate comprising an apertured body (16a), apertures (16b) of the apertured body being configured to permit air flow through the apertured body but to inhibit passage of embers and sparks, and wherein, in an operative configuration, the apertured body extends across the at least one conduit to permit air flow through the at least one conduit via the apertures but to inhibit passage of embers and sparks, wherein the operatively front portion of the tubular body is of corrosion resistant sheet metal and the operatively rear portion of the tubular body is of a polymeric material. 20 25 20 85 63 28 J ul 2 02 5 A B S T R A C T 2 0 2 5 2 0 8 5 6 3 2 8 J u l 2 0 2 5

The invention relates to the technical field of prefabricated wallboard joint waterproofing, and discloses a prefabricated wallboard assembly horizontal joint drain pipe structure and a using method thereof.The prefabricated wallboard assembly horizontal joint drain pipe structure comprises a prefabricated wallboard, a connecting mechanism, a rubber drain pipe and a rain baffle, a cavity is formed between an outer wallboard and a waterproof layer of the prefabricated wallboard, and the bottom of the cavity is provided with a drainage slope and communicates with a tongue-and-groove joint; a rubber drain pipe is arranged at the communication part; the rubber drain pipe achieves double preliminary positioning through attraction of a magnetic attraction block and a magnetic attraction strip and clamping of a protruding block and a groove, and the rubber drain pipe is matched with bolt fixing of a semi-split type positioning plate, so that it is guaranteed that installation is accurate and firm. The tongue-and-groove seam is filled with seam filling mortar to be sealed and fixed, the connecting mechanism is filled and spliced through grouting materials, and rain wash backflow is blocked through a rain baffle. A double-waterproof system of external prevention and internal drainage is constructed, the drainage efficiency and the joint sealing performance are improved, the stability of a building structure is guaranteed, the service life is prolonged, and the problems that an existing drain pipe is inaccurate in positioning and prone to displacement, and the joint rainwater leakage risk is high are solved.

The invention relates to the technical field of thermal power plant area drainage facilities, in particular to a thermal power plant area flood interception ditch anti-floating and anti-leakage device and a working method. The flood intercepting ditch comprises a bottom plate and two opposite side walls, and the bottom plate and the two side walls form a groove-shaped structure. Weep holes are formed in a bottom plate and side walls of the flood intercepting ditch, the weep holes are formed in the middle of the bottom plate and the bottoms of the side walls, and a mattress layer is further arranged on the lower side of the bottom plate; the interior and the exterior of the flood intercepting ditch are communicated through the drainage hole, a check valve is arranged at the inner end of the drainage hole, and the check valve conducts a water flow path from outside to inside of the flood intercepting ditch and cuts off the water flow path from inside to outside. While the anti-floating requirement of the flood intercepting ditch is met, the engineering amount and the engineering cost are reduced, meanwhile, water flow in the flood intercepting ditch is prevented from entering the foundation, the stability of a high slope is guaranteed, and then the overall safety and economical efficiency of a thermal power plant area drainage protection system are improved.

A fluid backflow prevention system for use with common household plumbing fixtures. A remote air gap assembly may be installed in a new or existing plumbing system to prevent fluid backflow and subsequent contamination. The remote air gap assembly includes an air gap housing, with an inlet, an outlet, a weep hole, a check valve, and an outlet cap. In an exemplary use, such a remote air gap assembly may operate in conjunction with a filtration faucet and may be installed under a counter, for example.

The utility model discloses a full-automatic weep pipe tool which comprises a fixing bottom plate, the upper surface of the fixing bottom plate is fixedly connected with a supporting shell, a supporting column is installed on the upper surface of the fixing bottom plate, a limiting pressing block is installed at the upper end of the supporting column, and a weep pipe body is placed on the surface of the supporting column. A first cutting knife is installed on the upper surface of one end of the fixing bottom plate, a waste guide frame is arranged below the first cutting knife, and a first machining head is arranged on the front surface of the weep pipe body. According to the full-automatic weep pipe tool, the supporting columns and the limiting pressing blocks are arranged, so that when the full-automatic weep pipe tool works, weep pipes are conveniently positioned through the supporting columns, the supporting columns are conveniently adjusted for supporting according to the shapes of the weep pipes by changing the mounting positions and the telescopic heights of the supporting columns, the practicability of the full-automatic weep pipe tool is improved, and then through downward sliding of the limiting pressing blocks, the weep pipes are conveniently fixed. And the rubber pad presses the surface of the weep pipe to fasten the weep pipe, so that the limiting stability of the weep pipe is improved.

The utility model relates to the technical field of horizontal seams, and discloses a prefabricated part horizontal seam drainage node which comprises a prefabricated part, a round PE rod is arranged on the left side of the interior of the prefabricated part, a square PE rod is arranged in the left side of the prefabricated part, and one side of the square PE rod is communicated with a rubber weeping pipe. First weather-proof glue is arranged on the left side of the square PE rod, second weather-proof glue is arranged on the left side of the round PE rod, and a heat preservation mechanism is arranged in the prefabricated part and used for further improving the waterproof performance of the structure. According to the utility model, the round PE rod and the square PE rod are matched to be used as a filling material of the expansion joint, buffer and sealing effects are achieved in the expansion joint, rainwater is prevented from permeating into a building through the expansion joint, at the moment, the rainwater in the horizontal joint can flow out conveniently through the rubber weep pipe, and the normal drainage condition of the structure cannot be influenced.

The utility model discloses modularized spliced planting groove, including unit planting groove, the inside welding of unit planting groove has the support frame, and the movable setting of support frame has the planting board, the surface of planting board evenly is equipped with a plurality of seedling groove, and every seedling groove's bottom all are equipped with small weep hole, in the utility model, a plurality of unit planting grooves realize quick assembly through the cooperation of first splicing piece and second splicing piece, do not need bolt auxiliary, greatly promoted the splicing efficiency, when needing to combine planting groove, only need to press T type pole horizontally to make spring contract, and the clamping block can easily extend into the clamping groove, then 180 degree rotation T type pole, and the clamping block can be accurately clamped into the gap between strong magnet and the inner side of clamping groove, and rely on the adsorption of strong magnet and firmly connected, this design not only simplifies the splicing process, also ensured the structure stability after splicing, and it is convenient according to the flexible adjustment layout of seedling site, and the space utilization is improved significantly.

The utility model relates to the technical field of weep hole forming dies, in particular to a railway box girder protection wall weep hole forming die which comprises transverse panels and vertical panels, and the vertical panels are arranged between the two sides of the upper transverse panel and the two sides of the lower transverse panel. Each transverse panel and the corresponding vertical panel as well as the two vertical panels are rotationally connected through symmetrically-arranged connecting hinges, and supporting sleeves parallel to the transverse panels and the vertical panels are arranged in the transverse panels; due to the design of the unique folding structure and the telescopic cross-shaped supporting rod, the mold can be quickly unfolded and fixed during mounting and can be easily folded during dismounting, the mounting and dismounting time is shortened, the construction efficiency is improved, the damage to concrete during mold dismounting is reduced, and the mold can be operated by a single person, so that the labor cost is saved, and the working efficiency is improved. The mold is convenient to assemble and disassemble, novel in structure, easy to carry and store, good in sealing performance and capable of effectively guaranteeing the concrete quality.