50 results about "Headworks" patented technology

The invention provides a drilling, loading, transporting and anchoring integrated machine with dual platforms and four arms for a coal roadway, comprising a caterpillar travel part, an engine body platform, four drill arm parts, four hydraulic drilling rig parts, a provisional supporting device, a hydraulic and operation system, a pump station part, a rear support part, a shovel plate part, a first conveyor and a second conveyor and being characterized in that the integrated machine also comprises a lifting platform and a platform lifter; the platform lifter is arranged on the engine body platform, and the lifting platform is connected above the platform lifter; four drill arm parts and four hydraulic drilling rig parts are installed at the rear sides of the upper and lower parts and the left and right sides of the lifting platform; and the provisional supporting part is fixedly installed on the front end of the lifting platform. The integrated machine in the invention can complete all procedures such as drilling, coal loading, coal transporting, anchor bolts and anchor cables construction, provisional supporting and the like, and improves the centrality, flexibility and systematicness of tunneling equipment, thus reducing mechanical handing, installing and dismounting operations on headwork faces, lowering labor intensity for workers and increasing work efficiency of tunneling.

The invention relates to a TEPS (Total Ecology Protection System) for vegetation and a construction method of the TEPS, which are mainly applied to engineering needing engineering protection and ecological restoration in the field of ecological restoration. The construction method comprises the following steps of (1) compacting and cleaning an operation surface; (2) paving high-strength bilayer (or multilayer) hollow fabric bearing bodies; (3) mixing biological substrates; (4) filling the biologic substrates in fabric and fixing the fabric; and (5) carrying out short-term green maintenance till plants form a lawn. According to the TEPS for the vegetation and the construction method of the TEPS, disclosed by the invention, the high-strength bilayer fabric has strong tensile resistance and can greatly reduce the engineering amount of prophase bank protection civil engineering; and in the construction process, mechanical construction is mainly utilized and is supplemented with manual operation so that the construction efficiency is greatly improved, the construction can be carried out in all weather, the convenience and adaptability in construction are good, and the safety is high.

A water valve assembly is disclosed for mounting with respect to a mounting surface, the water valve assembly including a water valve body having external threads on the exterior thereof and internal threads to receive a headworks and the headworks; the improvement comprising: a handle trim connecter; the handle trim connecter having a hollow cylindrical lower portion and an upper flange portion; the hollow cylindrical lower portion having internal threads to mate with the external threads on the threaded portion and the upper flange portion for engaging the mounting surface. In one embodiment the improvement further comprises a hollow cylindrical spacer member mounted surrounding the handle trim connecter below the upper flange portion.

The invention discloses a mounting, burying and grouting method for a multi-point displacement meter. According to the mounting, burying and grouting method, holes are drilled in rock stratums of different conditions, and the displacement meter is mounted at multiple points. The mounting, burying and grouting method comprises the steps of rock stratum displacement monitoring in the horizontal direction, in the vertical direction, in the slanted upward direction and in the slanted downward direction. A double grouting method is adopted in the displacement meter, namely, the displacement meter is provided with a vent pipe, a far-end anchor head, a near-end anchor head and double grouting pipes. The mounting, burying and grouting method for the multi-point displacement meter can be applied to displacement safety monitoring in building projects and construction such as water conservancy and hydropower projects, highways and railways, the problem that the grouting of the multi-point displacement meter is insufficient under different rock stratum conditions is solved, the rock mass deformation of the measured part can be reflected truly by the displacement meter, and reliable monitoring data are supplied to the buildings.

The invention relates to a headwork stratified water intaking method for a Yellow River diversion irrigation district, which has International patent classification (IPC) numbers of E02B1 / 00, E02B 13 / 00, and E02B 7 / 20, and belongs to the technical field of water engineering. In the water intaking method provided by the invention, the effects of intaking water and blocking sand in a stratified way are achieved by adopting a stratified headwork gate, and conveniently opening gates at different stratifications according to the flow rate of the water flow in front of the gate and a water level, sand content, and the distribution rules of upper sparseness and lower thickness, upper thinness and lower coarseness of the sand along a vertical line; the method can respond different water and sediment situations, and is suitable for riverbed adjustment and ensures designed diversion flow rate, so that the benefit of the irrigation district engineering is played effectively. The method can be popularized and applied in the Yellow River diversion irrigation district downstream of the Yellow River, also can be suitable to be used for diversion headwork of other multi-sediment rivers, is simple in structure and flexible in application, can greatly prolong the service life of the headwork gate, and has remarkable economic benefits and social benefits.

The invention discloses an assembly type precast beam modeling and steel bar measuring and calculating method, which aims at the modeling of an assembly type superposed beam, and directly calculates the civil engineering quantity of the superposed beam by adopting a mode of overlapping drawing and automatic deduction of a cast-in-place beam and a precast beam; and according to the steel bar calculation thought of the superposed beam, steel bars of the prefabricated part of the superposed beam adopt a steel bar input mode, and steel bars of the post-cast part of the superposed beam adopt a modeof buckling the prefabricated beam with the cast-in-place beam, and finally an accurate steel bar calculation result can be obtained. By newly building the precast beam component, deduction of the precast beam and the cast-in-place beam is achieved, and calculation of engineering quantities of superposed beam concrete, formworks and the like is achieved; and related calculation rules and node setting are provided, and a user can flexibly set according to drawing requirements, and it is guaranteed that an engineering budget task is accurately completed.

The invention discloses a multi-stage self-collapsing closed headwork and belongs to the technical field of hydro project headworks. The multi-stage self-collapsing closed headwork can resist flood exceeding the designed level, is simple in structure, convenient to implement and low in construction cost and does not occupy space permanently. The problem that headworks are damaged by flood exceeding the designed level is solved through the disaster prevention and mitigation design theory of the multi-stage self-collapsing closed headwork. The structure of the multi-stage self-collapsing closed headwork comprises a flood discharge bottomland (2-2), an earthy embankment (3), a geotechnical synthetic material armour earthy flood diversion dyke (4), a geotechnical synthetic material protecting multi-stage self-collapsing earth embankment (5), an intake gate (6), a barrage gate (7), a rockfill dam (8), an earthy barrage (9), flood diversion farmlands (10), a gulch (11), rope system non-woven fabric grid bands (12) and a rope system non-woven fabric bottomland locking penetrating band (13). The structure is suitable for closed headworks with the bottomland, headworks with rockfill dams, open headwork bottomland treatment and headworks with flood exceeding the designed level outside the embankment farmland for flood diversion.

The invention discloses a treating method for descending of water level of a channel on a downstream near-dam section of a ship lock in an inland river. A closure dam is arranged in a non-navigation branch channel on the right side; an open channel and banked-up dams are arranged in a navigation branch channel on the left side; the open channel is arranged along a mainstream direction and has a trapezoidal cross section; the open channel comprises the channel; guide walls are symmetrically arranged on the two sides of the channel; side slopes are arranged between the channel and the guide walls; the length of the open channel, the width of the open channel, the bottom elevation of the channel and the top elevation of the guide walls are adjusted according to a planar two-dimension water flow mathematic model till the tail-bay water level of the ship lock and the water depth along the cross section of the channel both meet the design requirements; a banked-up dams is respectively arranged on each of the two sides of a headwork of the open channel; the banked-up dams and the headwork of the open channel are connected with the near-shore area; and the top elevation of the banked-up dams is as same as the top elevation of the open channel. According to the invention, the water level of the downstream near-dam section and the channel water depth are increased, and meanwhile, the bad water flow regime is prevented from generating in the open channel and the treatment for the descending of water level on the downstream near-dam section of the ship lock in the inland river is realized with low cost.

The invention relates to a downhole operation video surveillance system which comprises an identification source disposed on an outer surface of an operating vehicle operating in a mine; a camera disposed on a non-empty top area of the mine and used for collecting a video image of a headwork face of the operating vehicle; and a surveillance device being located on the ground, receiving the video image collected by the camera through a wireless or wired network, and determining whether the operating vehicle operates in a hyper-cycle manner based on the imaging of the identification source on the video image and a preset maximum allowable travel distance of the operating vehicle. According to the invention, the downhole operation video surveillance system can provide a timely warning to downhole safety hidden dangers, and effectively prevent the occurrence of accidents.

The invention belongs to the civil engineering underground continuous trench construction field, and in particular relates to a method using a rotating drill to produce underground continuous trenches. The method can be performed orderly according to the following steps that: (A) the rotating drill is placed into a soil hole with the designed depth and is driven by external force to make the rotating drill advance on a rotary cut along a continuous trench-forming direction; (B) a meniscus (5) of the outer margin of a drilling blade (2) which is connected with a drill rod (1) by a shaft prevents the soil from flinging backward, which naturally forms a trench (8). The device adopted by the method comprise the following parts that: the middle part of the device is provided with an auger drill which consists of the drill rod (1) and the drilling blade (2), the outer margin of the drilling blade (2) is provided with a blocking and smearing device which consists of the meniscus (5) and an extruding and smearing member (6) and forms a material fixation cabin (7), one end of a supporting part (4) is fixedly connected with an end axle on the meniscus (5) to connect the drill rod (1), a fixed guide sleeve (3) is sleeved outside the meniscus (5) and drives the drill rod (1) of the drilling tool to advance, and the drilling blade (2) rotatablely cuts the soil by a dynamic head (10). The method adapts to the engineering objectives of underground continuous walls, impervious walls, enclosing load bearing walls and pipeline laying, and creates an excellent construction method for reserved construction.

The invention discloses a method for carrying out opposite-pull construction on a pipe ditch through a steel jacket box. Hidden penetration construction of the pipe ditch is completed through the method that an opposite-pull rope and an opposite-pull system cooperate to carrying out opposite-pull jacking on the steel jacket box and then soil is excavated. The method comprises the following steps that A, the opposite-pull rope is lead after a rope hole is formed through a method of arranging a rope hole PE pipe in a coarse hole during headwork; B, the opposite-pull system of the steel jacket box is mounted; C, the steel jacket box enters a hole in an opposite-pull manner; and D, concrete construction in the steel jacket box is carried out. Compared with a traditional pipe ditch constructionmethod, pipe ditch ground construction is carried out by adopting the method for carrying out opposite-pull hidden penetration on the pipe ditch through the steel jacket box, and the method has the advantages of being low in construction cost, ecological, environment-friendly and small in safety rick and not influencing ground facilities are achieved.

The invention discloses a disaster prevention and reduction method for preventing overproof flood dyke water damage, and belongs to the technical field of very flood diversion for flood, drought, disaster reduction and water conservancy projects. By the aid of the flood diversion system for overproof flood dyke disaster prevention and reduction, great calamity caused by disastrous dam-failure surge can be prevented, people and livestock can have the chance to escape when encountering irresistible flood, the aims of turning great deluge into waterlogging and turning small deluge into benefits are realized, soil cannot be occupied permanently, implementation is convenient and manufacturing cost is low. The method involves in overproof flood dyke protection with diverted flood dispersed towards the farmland and controllable flood diversion overproof flood dyke disaster prevention and reduction theory, novel geosynthetics controllable very flood diversion measures, an overproof flood novel river dyke protection flood diversion system and flood-fighting and emergency rescue flood diversion system, an overproof flood novel reservoir very flood diversion system, and an overproof flood novel headwork very flood diversion system. The method is suitable for disaster prevention and reduction design of river dyke, reservoir, headwork and channel crossing very flood diversion, and is also suitable for overproof flood dyke flood-fighting and emergency rescues.

The invention discloses a hydropower station water diversion inclined shaft arrangement structure and a method suitable for TBM construction. TBM equipment is transported to an assembly cavern through a second construction adit to complete assembly and is stepped into a starting cavern to prepare for excavation of a corresponding water diversion inclined shaft, after excavation is completed, the TBM equipment is disassembled in a disassembly cavern and is transported out through a first construction adit, then the TBM equipment enters into an assembly cavern corresponding to another water diversion inclined shaft through the second construction adit for assembly, after assembly is completed, starting, tunneling and disassembling are conducted, and so on, and excavation construction of all the water diversion inclined shafts is completed. The hydropower station water diversion inclined shaft arrangement structure can solve the problems that a water diversion system is long and a middle adit needs to be additionally arranged, the water diversion system arrangement is optimized, the water diversion system length is shortened, the project civil engineering amount is reduced, and the construction speed is increased.

The invention is applicable to the technical field of concrete construction, and provides a concrete paver for civil engineering, which comprises a case, a fixed cylinder and a rotating cylinder, a feeding auger is rotatably connected in the fixed cylinder, and the periphery of a shaft body of the fixed cylinder is sleeved with the rotating cylinder which is rotatably mounted on the case; two paving assemblies are arranged at the positions, corresponding to the lower portions of the fixing cylinders, of the machine box, and grinding rollers are arranged at the positions, corresponding to one sides of the paving assemblies, of the machine box; according to the design, the rotating cylinder rotates to enable the circulating groove to be intermittently aligned with the discharging groove and the feeding groove, intermittent feeding in the fixed cylinder and intermittent discharging at the bottom of the fixed cylinder are achieved, the problem that the production efficiency is reduced due to the fact that a worker pushes a discharging trolley with hands to conduct filling is avoided, each time of feeding is equivalent, each time of discharging is also equivalent, and the paving assembly is used for uniformly paving the accumulated concrete so as to facilitate flattening, so that the pavement paving and flattening effect is improved.

The invention provides an auxiliary device for hitting an ultralong steel pipe pile and an application method thereof and belongs to the technical field of civil engineering machinery. The auxiliary device for hitting the ultralong steel pipe pile comprises a base, a lower wellhead mechanism and an upper wellhead mechanism, wherein the lower wellhead mechanism is detachably connected to the base;a center clamping space of the lower wellhead mechanism is adjustable; the upper wellhead mechanism is connected to the lower wellhead mechanism; a center clamping space of the upper wellhead mechanism is adjustable; and the lower wellhead mechanism and the upper wellhead mechanism with adjustable center clamping spaces are used for clamping the ultralong steel pipe pile. According to the auxiliary device for hitting the ultralong steel pipe pile provided by the invention, telescopic components of the center clamping spaces inside the two wellhead mechanisms are simultaneously adjusted to clamp the steel pipe pile; subsequently the steel pipe pile is hit; the perpendicularity of the steel pipe pile is guaranteed; the auxiliary device is also applicable to steel pipe piles different in diameter; and the friction resistance between the telescopic components and the steel pipe pile is reduced as well.

Provided is universal type tunnel heading equipment used for deformed and circular fracture surfaces. The equipment comprises a shell body, a motor, a driving shaft, a rear part giant slalom bearing, a front part giant slalom bearing, an enclosed type differential gear train and a cutter, wherein the rear part giant slalom bearing and the front part giant slalom bearing are arranged on the rear part and the front part of the inner cavity of the shell body through bearing structures respectively and can rotate in the rear part and the front part of the inner cavity of the shell body, the enclosed type differential gear train is arranged in the inner part of the shell body, the motor is connected to the input end of the enclosed type differential gear train through the driving shaft, and the output end of the enclosed differential gear train is connected to the cutter through a cutter shaft which penetrates through the front part giant slalom bearing; the motor drives the cutter shaft and the cutter to simultaneously conduct translational motion and spin motion through the enclosed type differential gear train, by changing the shape of the cutter, the interior transmission ratio of the enclosed type differential gear train and the moving path of the cutter, different moving tracks of the cutter are achieved, and headwork of various deformed sections or circular fracture surfaces is accomplished. The universal tunnel heading equipment used for the deformed and circular fracture surfaces has the advantages of being simple in structure, comprehensive in performance, high in universal type and the like, and can be qualified in constructions of various kinds of tunnels with deformed sections and circular sections.

The invention discloses a method for rapidly determining a land occupation scale of a TBM (Tunnel Boring Machine) precast concrete duct piece factory and belongs to the technical field of civil engineering. The method comprises the following steps: firstly, comprehensively analyzing the production work efficiency of each procedure according to production data including actual work completion amount, work completion time and the like of each procedure of an existing precast concrete duct piece factory; combining requirements of safety production of each region of a duct piece prefabrication factory and related production experience and deducing a calculation formula for calculating the land occupation area of each procedure of the precast concrete duct piece factory; finally, rapidly determining the land occupation area of each procedure of the precast concrete duct piece factory according to basic parameters including a tunnel TBM tunneling construction period, an excavation section diameter and the like. According to the method provided by the invention, reference evidence is provided for rapidly determining the land occupation scale of the TMB precast concrete duct piece factory at a planning and design phase of engineering and effective guarantee is provided for follow-up construction; a condition that land occupation scale selection of the duct piece prefabrication factory is too small and the production efficiency of duct pieces is influenced can be avoided; investment wastes of factory building engineering, caused by the fact that the land occupation scale selection of the duct piece prefabrication factory is too large, are avoided.

The invention provides a drilling, loading, transporting and anchoring integrated machine with dual platforms and four arms for a coal roadway, comprising a caterpillar travel part, an engine body platform, four drill arm parts, four hydraulic drilling rig parts, a provisional supporting device, a hydraulic and operation system, a pump station part, a rear support part, a shovel plate part, a first conveyor and a second conveyor and being characterized in that the integrated machine also comprises a lifting platform and a platform lifter; the platform lifter is arranged on the engine body platform, and the lifting platform is connected above the platform lifter; four drill arm parts and four hydraulic drilling rig parts are installed at the rear sides of the upper and lower parts and the left and right sides of the lifting platform; and the provisional supporting part is fixedly installed on the front end of the lifting platform. The integrated machine in the invention can complete all procedures such as drilling, coal loading, coal transporting, anchor bolts and anchor cables construction, provisional supporting and the like, and improves the centrality, flexibility and systematicness of tunneling equipment, thus reducing mechanical handing, installing and dismounting operations on headwork faces, lowering labor intensity for workers and increasing work efficiency of tunneling.

The invention discloses a rapidly-formed expansion steel pipe pile and a construction method thereof. The rapidly-formed expansion steel pipe pile comprises an outer steel pipe with an expansion anchor claw, and an inner steel pipe with a wedge-shaped bottom end. The expansion anchor claw is firstly fixed in the outer steel pipe, and after the outer steel pipe is lowered to a hole well, the innersteel pipe is inserted into the outer steel pipe through a steel rope and a winch; in the insertion process, the wedge-shaped bottom end of the inner steel pipe extrudes the expansion anchor claw andpushes the expansion anchor claw out of the outer steel pipe; and the expansion anchor claw is wedged into soil around a pile body, so that the bearing capacity of a pile foundation is provided. The rapidly-formed expansion steel pipe pile has the advantages of short pile forming period, no vibration and low noise on the construction site, no environmental pollution, simple construction equipment,standardization design, batch production and assembly construction, is widely applicable to various civil engineering such as buildings and bridges, and has positive significance for meeting the current urban construction requirements and promoting industrial innovation and development.

The invention discloses application for non-woven fabric in isolating and sliding in building projects. The non-woven fabric is applied between two rigid or semi-rigid structures; and one face of the non-woven fabric is connected with a first rigid or semi-rigid structure, and the other face of the non-woven fabric is connected with a second rigid or semi-rigid structure. In the invention, the non-woven fabric is used for the isolation between two fixed structures, such as the isolation between road beds of railways, bridge surfaces and track slabs. The one or two isolated parts are relatively independent and convenient to separately maintain and repair. Meanwhile (or sometimes), one or two contacted faces have the sliding function to adapt to different displacement and deformation of the two isolated parts, eliminate the stress, guarantee the safety of the building projects, and improve the service life.

The present invention belongs to the field of building engineering pile construction technology. The building engineering pile constructing process includes the following steps: 1. making prefabricated spiral concrete pile with middle core hole; 2. setting the core pulling tool inside the core hole; 3. fixing the pile cap to the core pulling tool and the upper end of the prefabricated spiral concrete pile; 4. hoisting and driving the pile cap to drill; and 5. grouting the outside of the prefabricated spiral concrete pile through the core hole. The apparatus for the construction includes prefabricated spiral concrete pile with middle core hole, core pulling tool inside the core hole and pile cap fixed to the core pulling tool and the upper end of the prefabricated spiral concrete pile. The present invention can suit for different soil qualities and has low engineering cost, simple construction and high reliability.

The invention provides an automatic sediment division and ejection structure with a headwork annular irregular section. The automatic sediment division and ejection structure is composed of a rectangular section, a water inlet, a connecting section, an irregular section, a top plate, an outside plate, an inside plate, a base plate, a sediment collection slot, a trapezoidal section, a sediment discard section I, a sediment discard port, a major diameter vertical barrel, a barrel top cap, a barrel bottom plate, a sediment discard section II, an output section, a diversion canal and a communication pore. The automatic sediment division and ejection structure with the headwork annular irregular section is used for sediment division, large space is not required for sedimentation, and the clearing and transport of sediment are not required; water flow with high sediment concentration can be automatically returned to an original river channel in the sediment division process, and the site, manpower and cost are saved; the sediment ejection effect is good; and the structure can also be buried underground under the proper conditions, so that a ground position is not occupied.

The invention discloses a mounting, burying and grouting method for a multi-point displacement meter. According to the mounting, burying and grouting method, holes are drilled in rock stratums of different conditions, and the displacement meter is mounted at multiple points. The mounting, burying and grouting method comprises the steps of rock stratum displacement monitoring in the horizontal direction, in the vertical direction, in the slanted upward direction and in the slanted downward direction. A double grouting method is adopted in the displacement meter, namely, the displacement meter is provided with a vent pipe, a far-end anchor head, a near-end anchor head and double grouting pipes. The mounting, burying and grouting method for the multi-point displacement meter can be applied to displacement safety monitoring in building projects and construction such as water conservancy and hydropower projects, highways and railways, the problem that the grouting of the multi-point displacement meter is insufficient under different rock stratum conditions is solved, the rock mass deformation of the measured part can be reflected truly by the displacement meter, and reliable monitoring data are supplied to the buildings.

The invention belongs to the technical field of water conservancy construction, and relates to a construction method for reconstructing a cofferdam anti-seepage system in an immersed tube tunnel. The construction method comprises the steps that remaining sand-filled long pipe bags and a river bed after an original primary cofferdam is destroyed by rush of river are adopted as a base, and stones are thrown at two sides of the base to form an inner side riprap cofferdam body and an outer side riprap cofferdam body; the space between the inner side riprap cofferdam body and the outer outside riprap cofferdam body is filled with clay to form a first-level clay cofferdam body, the inner side riprap cofferdam body, the outer side riprap cofferdam body and the first-level clay cofferdam body form an earth-rock cofferdam, and after the construction of the earth-rock cofferdam, a second-level clay cofferdam body is constructed above the earth-rock cofferdam through filling; and plastic concrete drilling occlusion piles are constructed in the middle part of the first-level clay cofferdam body as the anti-seepage system of the earth-rock cofferdam. According to the construction method, the cofferdam can be quickly reconstructed on the basis of the remaining sand-filled long pipe bags and the river bed remaining after the original primary cofferdam is destroyed by rush of river, the stable earth-rock cofferdam and the anti-seepage system thereof are formed, and remaining civil engineering in the cofferdam is guaranteed to reach the construction condition of no-water operation.

The present invention belongs to the field of building engineering pile construction technology. The building engineering pile constructing process includes the following steps: 1. making prefabricated spiral concrete pile with middle core hole; 2. setting the core pulling tool inside the core hole; 3. fixing the pile cap to the core pulling tool and the upper end of the prefabricated spiral concrete pile; 4. hoisting and driving the pile cap to drill; and 5. grouting the outside of the prefabricated spiral concrete pile through the core hole. The apparatus for the construction includes prefabricated spiral concrete pile with middle core hole, core pulling tool inside the core hole and pile cap fixed to the core pulling tool and the upper end of the prefabricated spiral concrete pile. The present invention can suit for different soil qualities and has low engineering cost, simple construction and high reliability.

The invention relates to a closed rain and sewage diversion device. The closed rain and sewage diversion device comprises an equipment cabin, a control unit, a water quality analyzer and a diversion pipeline unit, wherein the control unit is in control connection with the water quality analyzer and the diversion pipeline unit, the diversion pipeline unit is arranged in the equipment cabin, the water quality analyzer is installed in the diversion pipeline unit and is used for monitoring various water quality indexes of mixed water in real time, the control unit is used for sending a control instruction to the diversion pipeline unit in real time on the basis of the water quality indexes obtained by the water quality analyzer, and the diversion pipeline unit is used for controlling the flowing direction and flow of the mixed water. According to the closed rain and sewage diversion device, the control unit, the water quality analyzer and the diversion pipeline unit are integrated in one equipment cabin, so that the equipment volume and cost are reduced, the civil engineering quantity is reduced, and the maintenance and installation difficulty is reduced.

The invention is applicable to the technical field of soft soil foundation treatment of civil engineering and provides a soil-squeezing hole-forming sand drain construction method. The method includes the steps that a normal circulation system of a drill jig is started when clockwise soil-squeezing drilling is conducted, clear water is injected into a drilled hole, and soil-squeezing hole-forming is conducted until the designed hole depth is reached; normal circulation of a circulating solution of the drill jig is adjusted to reverse circulation, clear water is injected to the drilled hole through a medium-coarse sand hopper when the circulating solution is pumped out, and the level of water in the drilled hole is always kept higher than the underground water plane; meanwhile, medium-coarse sand is poured into the drilled hole so that a drill bit can be buried below the medium-coarse sand; a drill rod is rotated anticlockwise, screwed connection blades in the combined thread soil-squeezing drill bit press the medium-coarse sand out downwards, a valve stopper is opened under pressure, medium-coarse sand and clear water are injected into the drilled hole when the drill jig is lifted slowly, the distance between the top surface of the medium-coarse sand and the top of the drill bit is kept at the set distance h2 all the time, and the level of the water in the drilled hole is kept higher than the underground water plane. The defect that a drainage consolidation method is limited by height is overcome, and the method has the advantage of being remarkable in economic benefit.

The invention relates to a headwork stratified water intaking method for a Yellow River diversion irrigation district, which has International patent classification (IPC) numbers of E02B1 / 00, E02B 13 / 00, and E02B 7 / 20, and belongs to the technical field of water engineering. In the water intaking method provided by the invention, the effects of intaking water and blocking sand in a stratified way are achieved by adopting a stratified headwork gate, and conveniently opening gates at different stratifications according to the flow rate of the water flow in front of the gate and a water level, sand content, and the distribution rules of upper sparseness and lower thickness, upper thinness and lower coarseness of the sand along a vertical line; the method can respond different water and sediment situations, and is suitable for riverbed adjustment and ensures designed diversion flow rate, so that the benefit of the irrigation district engineering is played effectively. The method can be popularized and applied in the Yellow River diversion irrigation district downstream of the Yellow River, also can be suitable to be used for diversion headwork of other multi-sediment rivers, is simple in structure and flexible in application, can greatly prolong the service life of the headwork gate, and has remarkable economic benefits and social benefits.