18results about How to "Reduce water accumulation" patented technology

The utility model relates to the technical field of deformation joint nodes, in particular to a roof deformation joint node. Comprising floor slabs, reverse ridges are fixedly connected to the floor slabs, deformation joints are arranged between the floor slabs, zinc iron sheets are fixedly connected to the reverse ridges and the floor slabs, heat preservation layers are arranged on the zinc iron sheets, waterproof layers are arranged on the heat preservation layers, zinc iron blocks are fixedly connected to the zinc iron sheets, plastic rods are fixedly connected to the zinc iron blocks, and mounting structures are arranged between the reverse ridges and the deformation joints. And a leakage-proof structure is arranged on the floor slab. When the device is used for protecting the deformation joint, the coping is additionally arranged at the top of the deformation joint, and the gap between the coping and the deformation joint is tightly blocked by mortar, so that the scouring of rainwater to a waterproof layer at the expansion joint part can be reduced, and the leakage risk caused by deformation damage of a heat insulation plate and a waterproof plate or infirm installation of a zinc iron sheet is reduced; and the service life of the device is prolonged.

The invention discloses a leveling device for paving a pervious concrete pavement and a leveling method thereof, and relates to the technical field of pavement paving, the leveling device comprises a vehicle body, a box body is fixedly mounted at the top of the vehicle body, a charging box is fixedly mounted at the upper end of an inner cavity of the box body, and the bottom of the charging box is connected with a leveling assembly through a pipeline; and the leveling assembly is used for paving pervious concrete on the earth road. According to the leveling device for paving the pervious concrete pavement and the leveling method of the leveling device, the size of the discharging groove in the collecting hopper can be automatically adjusted through the arranged adjusting part according to the actual condition of the pavement, so that the discharging amount of concrete is accurately controlled, and the discharging groove is enlarged at the sunken part of the pavement so as to increase the discharging amount of the concrete and fill the sunken part; at the raised part of the road surface, the discharge chute is reduced to reduce the discharge amount of concrete and avoid excessive accumulation, and the intelligent adjustment ensures the flatness of concrete laying and improves the construction quality.

The utility model belongs to the technical field of road engineering, and discloses a pavement structure and a pavement. The pavement structure comprises a supporting assembly, a fixing frame and pavement bricks. Wherein the supporting assembly comprises a supporting frame and a plurality of supporting rods, and the supporting rods are all arranged on the bottom side of the supporting frame; the fixing frame is detachably connected to the supporting frame, and the fixing frame is provided with a fixing cavity used for embedding the pavement bricks, so that the laying height of the pavement bricks is increased, and accumulated water accumulation is prevented. Meanwhile, a plurality of drainage holes are formed in the pavement brick and extend in the vertical direction, so that rainwater falling onto the surface of the pavement brick can flow into soil through the drainage holes, the amount of water accumulated on the pavement is reduced, and normal passage of the pavement is ensured. In addition, the pavement structure can also be used as a temporary pavement structure for paving a road needing to be repaired, so that the normal passage of the pavement is ensured.

The invention relates to the technical field of clay freezing and thawing process research, and provides a material nonlinear clay freezing temperature field model test system device which comprises a model box body and an adjusting assembly, the adjusting assembly is used for detecting a soil body in the model box body, the top of the model box body is connected with the adjusting assembly, and the adjusting assembly is connected with the model box body. The model box body comprises a model frame, model plates and a box cover, the three model plates and an adjusting plate are arranged on the outer side of the model frame, the three model plates and the adjusting plate wrap the model frame to form a test container for containing a soil body, a first electric push rod and a second electric push rod are used for enabling a filter plate to incline, and the filter plate is arranged on the box cover. Then moisture in the soil body migrates through negative pressure generated by movement of a piston plate, the moisture in the soil body rapidly enters a drainage bin through a filter plate, the purpose of drainage is achieved, the water accumulation degree in the soil body is reduced, and the accuracy of experimental data is further ensured in the soil body freezing and thawing cycle experiment process.

The utility model provides a structure for preventing water accumulation of a dial bracket, which comprises a mandrel outer sleeve, a middle core arranged on the side end face of the mandrel outer sleeve, a large-tripod mandrel rotatably arranged in the mandrel outer sleeve, and the dial bracket arranged at the lower end of the large-tripod mandrel and positioned below the middle core, when the needle disc bracket rotates along with the large tripod mandrel, the needle disc bracket drives the circulating pipes to change positions, so that external air enters the space between the middle kernel and the needle disc bracket from the circulating pipes, the air circulation between the middle kernel and the needle disc bracket is improved, the air pressure difference is balanced, and the service life of the needle disc bracket is prolonged. The phenomenon that water is accumulated on the dial tray to form accumulated water is reduced, and the accumulated water is prevented from leaking to the lower end face of the dial bracket or flowing into a searchlight and / or a cloth cover.

The invention relates to a paving method of sponge city perforated curbs and an anti-blocking device of the sponge city perforated curbs. The paving method comprises the following steps: step 1, paving a water stable layer at the bottom of a roadbed; step 2, surveying and setting out; 3, concrete and cement mortar are mixed, and a concrete cushion back is manufactured; step 4; a cement mortar cushion layer is horizontally laid on the cement stable layer and the concrete cushion back; fifthly, the hollowed-out roller, the supporting framework and the gear are assembled to form an anti-blocking device; sixthly, mounting holes are formed in the curbstones, and anti-blocking devices are mounted in the mounting holes; seventhly, gutter aprons are horizontally installed on the cement mortar cushion layer, curbstones are vertically installed, and the curbstones abut against one ends of the gutter aprons; and eighthly, joint filling treatment is conducted. The method has the advantages that manufacturing is easy, the raw material selectable range is wide, cost is controllable, and the water accumulation problem can be effectively reduced in the later use process.

The application discloses a hydrophobized mouth mirror and a preparation method thereof. The mouth mirror comprises a mouth mirror base and a polysiloxane coating modified on the mouth mirror base. The application modifies the siloxane with a terminal group reaction group on the mouth mirror by a wiping method, rapidly hydrophobically modifies the mouth mirror surface, can make the mouth mirror surface have obvious dynamic repellency to blood drops, so that bloodstains can quickly and non-residually slide off the mouth mirror surface. Meanwhile, due to the lubricating effect of the liquid-like, water can easily slide on the hydrophobically modified mouth mirror surface with an inclined angle without any adhesion phenomenon; and compared with the unmodified mouth mirror, the application can realize the rapid removal of water drops by grafting the siloxane with a terminal group reaction group on the mouth mirror surface, so as to reduce the water accumulation on the mouth mirror surface.

The invention relates to the technical field of fire-fighting equipment, in particular to a portable venturi pipe joint, a male port water inlet section of the venturi pipe joint is connected with a fire hose, high-pressure water flow in the fire hose enters the venturi pipe joint, and the high-pressure water flow enters a contraction section, so that the water flow speed is increased, the pressure is reduced, and the accelerated water flow enters a throat; due to the low-pressure effect of the throat, the outer liquid suction section at the bottom of the throat can suck accumulated water from the indoor ground and supplement the accumulated water into the throat, water flow mixed with the accumulated water enters a diffusion water channel in the diffusion section from the throat, and the decelerated water flow passes through the main belt water outlet section and is finally sprayed out through a connected fire-fighting lance head. By means of the Venturi effect, indoor accumulated water can be sucked into a pipeline and used for fire extinguishing again, continuous and stable water flow is guaranteed through secondary water supplementing fire extinguishing, the fire extinguishing effect is enhanced, the indoor accumulated water amount can be reduced by sucking and reusing the accumulated water, secondary damage caused by the accumulated water is reduced, and the joint is simple in structure and convenient to use. And firefighters can carry and install the device conveniently.

The utility model discloses a municipal road drainage structure which comprises a steel mesh, a main body assembly, a filter screen assembly and a drainage assembly, and the steel mesh is fixedly arranged at the bottom of the drainage structure; the main body assembly is fixedly mounted on the steel mesh; the filter screen assembly is movably mounted on the main body assembly; and the drainage assembly is fixedly mounted on the main body assembly. Collected waste water can conveniently permeate into the ground through the steel net, waste water discharging is more efficient, a drainage structure is conveniently supported and protected through the main body assembly, and the situation that large-particle impurities contained in the waste water enter the drainage structure, and consequently the drainage structure is blocked is prevented through the filter net assembly. The drainage assembly is arranged so that the efficiency of the drainage structure can be improved conveniently, the pavement ponding phenomenon can be effectively reduced, the whole device can achieve the advantages of smooth drainage, easy maintenance and the like, the situation that pavement ponding affects travel of citizens and normal operation of cities is avoided, and the drainage efficiency is high.

The utility model provides a dust explosion-proof control box which comprises a control box body, the control box body is divided into an upper cavity and a lower cavity through a partition plate, and the bottom of the control box body is provided with an explosion-proof connector connected with the lower cavity. The partition plate is provided with a wire passing opening, the lower cavity is provided with a lower Tesla valve used for communicating the lower cavity with the external atmosphere, and the lower Tesla valve is in a non-return mode in the direction from the lower cavity to the external atmosphere. The upper cavity is provided with an upper Tesla valve used for communicating the upper cavity with the lower cavity, and the upper Tesla valve is non-return in the direction from the upper cavity to the lower cavity; dehumidification boxes are arranged in the upper cavity and the lower cavity, and calcium chloride particles are contained in the dehumidification boxes. The utility model has the advantages that the internal insulativity can be improved, the internal and external air pressure can be balanced, and the deflagration separation can be realized.

The utility model discloses a car roof drainage device and a railway vehicle, and relates to the technical field of car roof drainage, and the car roof drainage device comprises a drainage top plate, a water guide sealing plate and a rain eave structure. Wherein the drainage top plate is used for guiding rainwater to the two ends of the vehicle body in the first direction, the water guide sealing plate is installed on the side, close to an air conditioner platform on the vehicle body, of the drainage top plate, and the water guide sealing plate is used for preventing the rainwater on the drainage top plate from flowing to the air conditioner platform and guiding the rainwater on the drainage top plate to the rain eave structure in the second direction; the rain eave structures are installed on the two sides of the roof of the vehicle body and used for draining rainwater to the two ends of the vehicle body in the first direction. According to the roof drainage device, the risk that rainwater flows backwards towards the air conditioning platform and leaks towards the interior of the vehicle is avoided, and the risk of water leakage or the risk of service life caused by long-term rainwater backflow of the outer windshield of the through channel due to the fact that the rainwater is directly discharged to the position above the outer windshield of the through channel from the end of the vehicle body is reduced.

The invention provides a ground large-diameter drilling efficient danger relieving method for sealing accumulated water in a goaf, and relates to the technical field of coal mining. The ground large-diameter drilling efficient danger relieving method for sealing goaf water accumulation comprises the steps that the overlying strata damage height D is determined, and the goaf static water accumulation amount Q accumulation and the aquifer dynamic replenishment amount Q dynamic replenishment are determined on the basis of the overlying strata damage height D; determining a drilling point location for large-diameter pumping drainage, and determining the drilling depth based on the drilling point location; determining parameters of the water pumps and the preparation number of the water pumps; a large-diameter drill hole is formed in the drilling point position; and monitoring the accumulated water change in the goaf. The goaf water burst strength and mining geological conditions are analyzed, ground large-diameter drilling point positions are accurately arranged and constructed, accumulated water changes in the goaf are intelligently monitored, long-time stable operation is achieved, goaf water disaster threats of the closed goaf under the condition of abundant supply sources are effectively relieved, and efficient danger relieving is achieved.

The utility model relates to the technical field of sidewalks, in particular to a sidewalk structure with a rainwater diversion structure, which comprises a foundation, a curbstone is vertically arranged along the edge of the top of the foundation, and a drainage pipe is arranged on the curbstone in a penetrating manner; a non-permeable bottom layer is arranged on the top of the foundation, the top face of the non-permeable bottom layer inclines downwards towards the curbstone, a first water collecting groove is formed in the side, close to the curbstone, of the top of the non-permeable bottom layer and is correspondingly communicated with a drainage pipe, and a plurality of flow guide grooves communicated with the first water collecting groove are further formed in the top of the non-permeable bottom layer. A water-resisting layer is arranged on the top surface of the non-permeable bottom layer; and a permeable layer is arranged above the non-permeable bottom layer. When the sidewalk structure with the rainwater diversion structure is used, the sidewalk structure with the rainwater diversion structure plays a diversion role on rainwater deposited on the surface of a sidewalk and rainwater penetrating through the water permeable bricks through the arrangement of the channels, the inclined surfaces and the diversion grooves, and the drainage of the rainwater on the sidewalk is accelerated.

The utility model discloses an air drying device for wire harness processing, which belongs to the technical field of wire harness processing and comprises a workbench, a first support frame fixedly mounted on the workbench and a guide wheel rotatably mounted in the first support frame. Through cooperative use of all the devices and arrangement of the wiping mechanism, a movable disc can drive a hinge base to move synchronously, a connecting rod in the hinge base further pushes a rotating rod to rotate, the rotating rod guides a wiping plate to move correspondingly, it is ensured that the wiping plate is tightly attached to the side surface of a wire harness, and after a guide wheel is started, the wire harness is moved; meanwhile, the wiping plate can effectively remove moisture on the side surface of the wire harness, the water accumulation phenomenon at the bottom of the wire harness is reduced, impurities and moisture on the surface of the wire harness are removed, and the wire harness processing quality and efficiency are improved.

This utility model relates to a special anti-slip polymer self-adhesive roll material for roof expansion joints, belonging to the field of roof construction technology. It includes a prefabricated roof panel, with a polymer roll material laid on top of the prefabricated roof panel, and an anti-aging board laid on top of the polymer roll material. The polymer roll material is fully bonded to the side of the prefabricated roof panel in contact with it. The beneficial effects of this utility model are that by setting the prefabricated roof panel with a structure that is higher in the middle and lower on both sides, rainwater on the surface of the anti-aging board can be quickly drained, thereby reducing water accumulation on the roof after the anti-aging board is laid around the perimeter. Furthermore, in humid environments, the active substances in the adhesive coating penetrate into the concrete casting and react chemically with calcium ions in the concrete casting to generate water-insoluble calcium silicate crystals. These crystals fill the capillary channels, making the concrete casting denser, thus achieving a better waterproof effect.

The utility model is applicable to the technical field of vegetable preservation, and provides a cold storage processing device convenient for vegetable preservation, which comprises a cold storage box, the partition plate is fixedly mounted in the refrigerating box and divides the refrigerating box into a refrigerating cavity and a mounting cavity; the refrigeration pipe is fixedly installed in the partition plate, and the refrigeration pipe and the refrigeration cavity are correspondingly arranged; the carbon dioxide bottle is arranged in the mounting cavity; the exhaust pipe is fixedly mounted at the top of the carbon dioxide bottle; the electromagnetic valve is arranged on the exhaust pipe; and the exhaust mechanism is arranged in the mounting cavity and used for guiding carbon dioxide into the refrigeration cavity. According to the cold storage processing device convenient for vegetable preservation provided by the scheme, a gas preservation technology is introduced, so that the concentration of carbon dioxide and oxygen is changed, the respiration rate of vegetables is reduced, the aging process is delayed, and the preservation time of the vegetables is remarkably prolonged.

The utility model discloses a clean disinfecting device for livestock breeding relates to clean disinfecting technical field, including frame, the front and back sides of frame all are installed two gyro wheel, install cleaning assembly and waste liquid collection tank on the frame, install water spraying subassembly on cleaning assembly, install spray medicine subassembly on the left side of waste liquid collection tank, and water spraying subassembly is used for washing the breeding ground surface, and cleaning assembly is used for cleaning the breeding ground surface, and spray medicine subassembly is used for the spray medicine of breeding ground surface. Utilize hydraulic cylinder to draw scraper and rubber strip and move down, make rubber strip close to the breeding ground surface, with the help water spraying subassembly to the washing operation of breeding ground surface, make the ground dirt and water mix, with the removal of the device, scraper cooperates rubber strip and will carry out the scraping collection operation of sewage, and sewage converges to the place where the sewage suction hose is, and utilizes the fan and stores temporarily in the inside of waste liquid collection tank with sewage suction.

The utility model discloses a fixed type water collecting and flow guiding umbrella with an upward opening, which belongs to the technical field of umbrella equipment and comprises an umbrella cover, a cable-stayed umbrella rod, a hollow drainage umbrella rod, an underground drainage pipe connector and a fixed base. One end of the cable-stayed umbrella rod is connected with the cable-stayed umbrella rod, the other end of the cable-stayed umbrella rod is connected with the hollow drainage umbrella rod, the bottom of the hollow drainage umbrella rod is provided with an underground drainage pipe connector, the underground drainage pipe connector is communicated with an underground drainage pipeline, and the bottom end of the hollow drainage umbrella rod is provided with a fixed base buried in the ground; according to the fixed type water collecting and flow guiding umbrella with the upward opening, rainwater collection, flow guiding and drainage are integrated, the problem that rainwater splashes in public places is effectively solved, the rainwater resource utilization rate is increased, urban drainage burden is relieved, and the fixed type water collecting and flow guiding umbrella is attractive and practical.