18results about How to "Reduce scour force" patented technology

The utility model relates to the technical field of water conservancy protection slope upstream faces, in particular to a water conservancy project protection slope design model which comprises a slope body, one side of the slope body is fixedly connected with a slope toe, the top of the slope toe is provided with an anti-scour assembly, the anti-scour assembly comprises a protection slope main body, the protection slope main body is fixedly connected to the top of the slope toe, and the slope toe is fixedly connected with the slope toe. A drainage groove is formed in one side of the top of the slope protection body, a water receiving groove is formed in the side, away from the drainage groove, of the top of the slope toe, and a green plant planting block is fixedly connected to an inner cavity of the water receiving groove. According to the slope protection design model for the water conservancy project, by installing the anti-scouring assembly, in the process of using the model, through cooperation of green plant planting blocks, metal grids and other components and special structural design, impact of water flow can be resisted, erosion of the water flow to a slope surface is reduced, the service life of a protection slope is prolonged, and safe operation of water conservancy facilities is guaranteed; green plants are planted on the surface, rainwater can be effectively absorbed, water and soil loss is reduced, and soil stability is improved.

The present invention relates to the field of wheat planting, and in particular to a wheat batch cultivation device that is easy to transplant, including an installation frame, a cultivation frame, a slot plate, a connecting plate, etc.; a plurality of cultivation frames are installed on the installation frame; a plurality of slot plates and connecting plates are arranged in all cultivation frames, and all the slot plates and connecting plates are staggered. The present invention adds a breathable plate in a bearing plate, opens a through slot on the bearing plate, and opens holes on the breathable plate. During the growth of wheat, the moisture in the soil is transferred downward under the influence of gravity, and the moisture gathers on the bearing plate to form water droplets. The water droplets drip downward from the holes on the breathable plate to the cultivation frame below, and the water droplets moisten the soil on the lower slot plate and the connecting plate, so that the soil can remain moist for a long time, which is beneficial to the growth of wheat, and there will not be a large amount of moisture in the soil to squeeze out the air in the soil, so as to avoid affecting the absorption capacity of the wheat root system for moisture and nutrients.

The present application relates to the technical field of erosion gully protection, and specifically discloses a cold region rainwater erosion gully protection structure, comprising: an erosion gully, a protection component, wherein the protection component is arranged on the inner side of the erosion gully, and a protection structure one, a protection structure two, a protection structure three and a protection structure four are arranged according to different slopes of the erosion gully to reduce the impact force of water flowing downward, thereby reducing the scouring force of the water flow on the erosion gully, wherein a non-woven fabric is arranged between a gabion stone cage and soil to play an isolation role, and a gravel layer can further disperse the impact force of the water flow, and the gabion stone cage is filled with gravel, thereby reducing the damage to the structure caused by the freezing environment, and enhancing the anti-erosion ability of the ditch, reducing the downward shear force of the water flow on the ditch, thereby more effectively preventing soil and water loss.

This invention relates to an anti-scour device for a wind turbine monopile, comprising a first anti-scour component, tire components, and a reinforcing component. The first anti-scour component is mounted on a base and includes a bracket and a first anti-scour net. The bracket is arranged around the periphery of the wind turbine monopile's pole, and the first anti-scour net is disposed on the side wall of the bracket, spaced apart from the pole to form a receiving space. Multiple tire components are disposed within the receiving space and are connected and fixed to the bracket via cables. The reinforcing component includes a sleeve and multiple tie rods. The sleeve is fitted around the periphery of the pole, and the multiple tie rods are spaced apart along the circumference of the pole, with both ends of the tie rods connected and fixed to the sleeve and the bracket, respectively. Under the anti-scour action of the first anti-scour component and the tire components, the sand and gravel layer surrounding the wind turbine monopile can be protected, preventing or reducing seawater erosion of the sand and gravel layer and the formation of scour pits, ensuring that the sand and gravel layer can provide sufficient load to the base and guaranteeing the stability of the wind turbine monopile.

The utility model discloses an intercepting device for preventing water and soil loss. According to the intercepting device for preventing water and soil loss, a plurality of flowing holes are formed in the two sides of hollow baffles in a penetrating mode, steel pipes are fixedly installed in the flowing holes and are aluminum metal hollow pipe flow channels, the hollow baffles are further provided with a plurality of filtering holes, one end of each steel pipe is fixedly installed on a second hollow baffle, and the other end of each steel pipe is fixedly installed on a third hollow baffle. A first sand and mud blocking partition plate and a second sand and mud blocking partition plate are fixedly installed at the two ends of each hollow baffle, a large-area water and soil loss area can be divided into a plurality of small areas through the arrangement shape of the multiple hollow baffles fixedly penetrating into soil, and therefore the water and soil loss range is reduced, and the scouring force caused by water and soil loss can be effectively reduced; and the filtering holes are formed in the hollow baffles, redundant water in water and soil loss can be filtered out, the redundant water flows into the hollow baffles, and the water and soil loss speed can be effectively reduced.

This invention discloses a riverbank protection device and method, specifically relating to the field of riverbank protection technology. It includes a riverbank protection body, a planting area, and an ecological flow guiding component. The ecological flow guiding component comprises multiple alternately arranged flow guiding elements and ecological frames. Each flow guiding element has a water storage tank inside, which provides moisture to the soil within the ecological frames and planting area on both sides of the flow guiding element. The flow guiding element also includes a flow guiding channel located at the upper end of the water storage tank. The flow guiding element can guide the water flowing into it according to the water volume stored in the water storage tank. By incorporating a water storage tank and a flow guiding channel within the flow guiding component, this invention can collect and store rainfall runoff during non-flood seasons. During flood seasons, when water levels are too high, it can automatically guide excess water to downstream areas or the river channel, preventing excessive accumulation in the water storage tank and thus avoiding additional pressure on the riverbank. The water stored in the water storage tank can provide a continuous water supply to the slope protection plants during drought periods.

The present invention discloses a drainage pipe structure for bridges in aeolian sand gully areas, including a vertical main pipe, a grate assembly, a trunk branch pipe, and a plurality of water outlets; the installation method includes the following steps: installing the vertical main pipe in a hole reserved in a bridge body; inserting a grate frame into the upper end of the vertical main pipe; placing a grate plate into the grate frame; welding the branch pipe to the vertical main pipe; and welding the water outlet to the branch pipe. The present invention can effectively guide rainwater on bridges in aeolian sand areas and then disperse and discharge it, weaken the impact force of rainwater during drainage, reduce the scouring force of water flow on aeolian sand, stabilize the bearing capacity of the foundation, protect the bridge foundation, and quickly discharge water from the bridge surface; at the same time, the installation method of the present invention can reduce the difficulty of installation, improve the installation accuracy, and extend the service life of the product.

The utility model belongs to the technical field of centrifugal pumps, and particularly relates to a pump head stretching type stainless steel multi-stage centrifugal pump. A motor assembly is arranged above the base, a motor body is arranged in the motor assembly, a control box is arranged above the motor assembly, a first pump head pressing plate is arranged on one side of the motor assembly, and a second pump head pressing plate is arranged on the outer side of the first pump head pressing plate. Meanwhile, a pump head outer plate is arranged between the first pump head pressing plate and the second pump head pressing plate, a stainless steel impeller and a stainless steel guide vane are arranged in the pump head outer plate, the stainless steel guide vane is fixed on a rotating shaft of the motor main body, and a water outlet assembly and a water inlet assembly are respectively arranged on the pump head outer plate. Under the condition that neutral mineral water with the solid particle content not larger than 15% and other similar sewage are conveyed, the scouring force and the pressure intensity on the internal structure are reduced, the service life of the internal structure is prolonged, and vibration is relieved.

The invention relates to the technical field of coastal wetland survey, in particular to a multi-purpose coastal salt marsh survey quantifying frame and a using method thereof.The multi-purpose coastal salt marsh survey quantifying frame comprises a set of quantifying frame assemblies and a set of quantifying frame supports, and the number of the quantifying frame assemblies is four, six or eight; the number of the quantitative frame supports is four, six or eight, the quantitative frame supports are used for supporting and fixing the quantitative frame assemblies, the quantitative frame assemblies are connected end to end to form a rectangular frame structure, one end of each quantitative frame assembly is an assembly head end, the other end of each quantitative frame assembly is an assembly tail plate, the middle of each quantitative frame assembly is an assembly handle part, and the assembly head ends are matched with the assembly tail plates in size. And the quantitative frame bracket is vertically connected with the component handle part to support and fix the quantitative frame component. According to the multipurpose coastal salt marsh investigation quantifying frame and the using method thereof, through the design capable of being opened and closed, the influence of the height of plants on use is eliminated, and the multipurpose coastal salt marsh investigation quantifying frame can be effectively used under the condition that the plants are tall.

The utility model discloses a water conservancy torrent tank capable of seeping and draining water and buffering flowing. The water conservancy torrent tank comprises a main tank structure and an auxiliary tank structure. The main groove structure comprises a flow guide groove body, a water inlet is formed in one end of the flow guide groove body, a water outlet is formed in the other end of the flow guide groove body, and an accumulated water buffer groove is formed in the end, close to the water outlet, of the flow guide groove body; the auxiliary tank structure is communicated with the main tank structure, and a filtering structure is arranged on the auxiliary tank structure; the device has the advantages that the water speed of rainwater in the torrent groove can be buffered, the rainwater in the torrent groove is prevented from being discharged at a high speed, so that the scouring force when the rainwater is discharged is effectively reduced, a roadbed or a drainage groove body is effectively prevented from being scoured and eroded by the rainwater, the safety of the roadbed or the drainage groove body is improved, and the service life of the roadbed or the drainage groove body is prolonged; when rainwater in the torrent groove is drained, the condition that the rainwater permeates into soil is guaranteed, permeation drainage of the rainwater can be achieved, and the rainwater treatment efficiency is effectively improved.

The present invention relates to the technical field of liquid pumps, and provides a pumping pump for transporting liquid materials, comprising: a pump body, which has a feed port, a diaphragm cavity and a discharge port that are interconnected, and the feed end and the discharge end of the diaphragm cavity are respectively provided with a resettable one-way valve; a diaphragm, which is arranged in the diaphragm cavity to divide the diaphragm cavity into a liquid cavity and an air cavity; a connecting rod assembly, which is arranged on the side of the diaphragm located in the air cavity, and the connecting rod assembly includes: a sliding limit rod, which is arranged in the air cavity, and the sliding limit rod can reciprocate in the axial direction; a threaded rod, which is arranged at one end of the inner cavity of the sliding limit rod; a limit ring, which is connected to the sliding limit rod, and the diaphragm is arranged between the limit ring and the sliding limit rod. The present invention arranges a rotatable lever assembly on the outside of the diaphragm, so that during normal transportation, the movement of the diaphragm causes the lever assembly to rotate slowly to clean the surface of the diaphragm.

This utility model discloses a prefabricated structure for the aluminum outlet of a tilting furnace, relating to the technical field of tilting furnace accessories. The utility model includes a mounting plate, with a jointed flow port fixedly connected to one side of the mounting plate. A furnace-turning flow channel is provided on the surface of one side of the jointed flow port. A flow guiding mechanism is provided on one side of the mounting plate. This utility model, by adopting a straight-lined square channel, significantly increases the aluminum flow rate compared to traditional circular rotary joints, meeting the needs of large-capacity tilting furnaces and improving production efficiency. The straight flow channel design reduces turbulence formation during aluminum flow, reducing the scouring force on the jointed flow port and the furnace-turning flow channel, thereby reducing refractory wear and extending the service life of the equipment. Through the cooperation of a clamping plate, arc-shaped groove, arc-shaped positioning block, and positioning baffle, rapid positioning and installation of the furnace-turning flow channel are achieved, simplifying the installation process and improving operational convenience.

The utility model relates to embankment pipe installation technical field discloses a kind of embankment pipe outlet structures, it includes embankment pipeline, outlet elbow pipe, outlet abutment and anti-scouring component;Embankment pipeline is set to the inside of embankment retaining wall, and the axis of embankment pipeline is along horizontal direction and penetrates embankment retaining wall;One end of outlet elbow pipe is connected with embankment pipeline, the other end of outlet elbow pipe is curved to the downstream direction of river channel for discharging accumulated water to river channel, and gap is provided between outlet elbow pipe and embankment retaining wall;Outlet abutment is cast and fixed to the outside of the bending position of outlet elbow pipe, and the bending part of outlet elbow pipe is circular arc shape, and outlet abutment is used to suppress outlet elbow pipe vibration;Anti-scouring component is set to the outside of outlet elbow pipe terminal, and anti-scouring component is used to dissipate energy and prevent scouring.The utility model is designed by outlet elbow pipe and outlet abutment, effectively reduce the impact of outlet elbow pipe effluent on river channel original water flow system, ensure the stability of river channel original water flow system.

The invention discloses a hand-washing-free disinfectant bottle, which relates to the technical field of disinfectant bottles and comprises a disinfectant bottle main body filled with disinfectant or disinfectant gel, a pressing pump head arranged at the top of the disinfectant bottle main body and a heating assembly arranged at the bottom of the disinfectant bottle main body, when alcohol steam is generated, the alcohol steam can enter the condensation pipe through the vent hole, the U-shaped pipe and the first speed reduction pipe to be condensed, condensed alcohol water can flow back into the disinfectant bottle body to be used, and when the alcohol steam enters the condensation pipe, the alcohol steam can be preliminarily decelerated through the arranged first speed reduction pipe; the flow area of gas is increased when the gas enters the large pipeline from the small pipeline, the pressure can be reduced, and therefore the speed reduction effect is achieved, then the speed reduction arc faces are arranged on the condensation pipe, the speed-reduced alcohol steam can be blocked by the speed reduction arc faces, and then the speed is further reduced. The problem that alcohol steam is ignited due to static electricity generated by too high flow speed of the alcohol steam is avoided.

The utility model relates to the technical field of filtering equipment, and discloses a coal-fired power plant boiler make-up water raw water filtering device which comprises a filtering bin, a first filtering net is arranged in the filtering bin, one side of the first filtering net is fixedly connected with a collecting box, and a protection assembly and a recycling assembly are arranged on the outer wall of the first filtering net. The protection assembly comprises a plurality of second springs, the second springs are located on the outer wall of the first filter screen, a plurality of first connecting blocks and second connecting blocks are fixedly connected to one side of the first filter screen, a fixing block is slidably connected to the outer wall of each second connecting block, and a second filter screen is fixedly connected to one side of each fixing block. One end of the second spring is fixedly connected to the outer wall of the second connecting block, and the other end of the second spring is fixedly connected to the inner wall of the fixing block. According to the device disclosed by the utility model, the scouring force of water flow to the surface of the filter screen I is relieved through the stretching of the spring I and the compression of the spring II, so that the effect of protecting the filter screen I is achieved, and the protection property of the device to the filter screen I is enhanced.

The present invention belongs to the technical field of cast iron casting, and discloses a method and application for forming the main lubricating oil channel of a ductile iron diesel engine body. A bottom-pouring open pouring system with a filtering device is used to purify molten iron, and a shrinkage feed riser is set at the hot node of the main lubricating oil channel and a chiller is used in combination to balance the temperature field of ductile iron. The chemical composition before the furnace is determined according to the principles of high carbon equivalent and high carbon and low silicon, reasonable packaging, multi-stage inoculation, controlled time, good spheroidization, thorough slag removal, and rapid pouring parameters to achieve internal densification of thick and large hot nodes and eliminate shrinkage and slag inclusions in the main lubricating oil channel of the engine body. The present invention is conducive to achieving basic balance of the temperature field of ductile iron. The present invention ensures that the molten iron has high quality, achieves internal densification of thick and large hot nodes, eliminates the quality risk of shrinkage and slag inclusion defects in the main lubricating oil channel of the engine body, and solves the shrinkage casting defects of the main lubricating oil channel of a complex ductile iron engine body.

The utility model relates to the technical field of land engineering, concretely is a kind of side slope protection structure. Including side slope component, walkway component, water guide component, the side slope component includes side slope main part, the walkway component includes walkway side wall one, the water guide component includes water guide fender, the top of side slope main part is fixedly connected with side slope top layer by embedded reinforced concrete, the front end of side slope main part is fixedly connected with side slope bottom layer by cast-in-place concrete inlay, the top of walkway side wall one is fixedly connected with installation base plate by embedded bolt, the inside of stable protection layer is opened along its length direction and is penetrated with drainage top groove. Slow-flowing tank distributes water body to each longitudinal water guide groove, avoids local water guide groove water flow overload, further reduces the impact force of water flow to water guide fender and side slope main part, shunt to the top end face of water guide fender, by shunt design, avoid single water flow concentrated impact water guide fender, reduce local stress load.

The utility model provides a mold for casting a single casting test bar, which comprises a precoated sand shell, the precoated sand shell is composed of a pouring cup, a pouring gate and a test bar casting cavity in sequence from top to bottom, the precoated sand shell is composed of two half shells which are symmetrically arranged, a ceramic filter is arranged in the pouring cup, and the ceramic filter is arranged in the pouring cup. An inner pouring gate is arranged between the pouring gate and the test bar casting cavity, and the diameter of the inner pouring gate is 1-3mm. The precoated sand shell of the mold is mainly made of high-quality precoated sand and a binder, the ceramic filter is placed in the pouring cup, so that the pouring cup has the feeding and slag stopping effects, the pouring gate is in a V shape, the scouring force of molten iron to a mold wall is small, splashing is not prone to being generated, the inclined face structure of the inner wall of the pouring gate plays a buffering role in the molten iron, mold filling is stable, air entrapment is avoided, and the service life of the mold is prolonged. Therefore, the quality defects such as shrinkage porosity (hole) and air holes generated in the pouring process are overcome, the inner pouring gate is arranged between the pouring gate and the test bar casting mold cavity, and broken sand can be blocked in the mode that the gap of the inner pouring gate is small.