152results about How to "Drain in time" patented technology

The invention discloses a road drainage system comprising a road surface drainage part and a road side drainage part, wherein the road surface drainage part is orderly provided with a base layer, a waterproof layer and a non-watertight layer from bottom to top; the upper part of the waterproof layer is provided with a road surface drainage groove; the road side drainage part comprises non-watertight curbstones and road side drainage grooves; the non-watertight curbstones are arranged on both sides of a road and adjacent to the road surface drainage part; the road side drainage grooves are arranged under the non-watertight curbstones; the non-watertight curbstone comprises a non-watertight surface layer and a non-watertight strengthening layer; the non-watertight surface layer contains non-watertight material; the non-watertight strengthening layer is adjacent to the inner surface of the non-watertight surface layer and a cavity is arranged in the non-watertight strengthening layer. The road drainage system is provided with the road surface drainage part and the road side drainage part; the road side drainage part is provided with a guide cavity; and the rain water is drained in time after quickly penetrating through the thinner non-watertight surface layer, thereby ensuring the normal traffic of vehicles and the passerby traffic.

The invention discloses a rotary hot-melting drill bit. The rotary hot-melting drill bit is a round head shaped drill bit consisting of two independent heating modules and an un-heating module, wherein a water outlet is arranged at the bottom of the drill bit; when the two heating modules work to normally drill in a rotary manner, the heat of the heating modules can be uniformly transmitted all around through the rotation, so that an ice layer is molten, thereby achieving the vertical hole drilling operation; when the two heating modules work, and do not drill in a rotary manner, the ice layer adjacent to the two heating modules is continuously molten by absorbing heat, and the ice layer on the side of the non-heating module is slowly molten or not molten, so that the drill is inclined to change the drilling direction, thereby achieving the orientation. The rotary hot-melting drill bit well solves the difficulty of drilling and orientating in the ice layer in a polar region; the drill bit is well compatible with the current drill, so that the orientation drill can be used only by matching the control system with the current hot-melting drill with a drill bit circuit almost without changing the upper mechanical structure. The rotary hot-melting drill bit adopts a modular design, has a simple structure and is easy to change, thereby greatly increasing the service life and the using efficiency of the drill bit.

The invention discloses energy-saving and environment-friendly medical orthopedical waste gypsum crushing and grinding recovery equipment which comprises a box body, wherein a feeding pipe is arrangedon the top of the box body; a magnet is arranged at the top end of the left side wall of the feeding pipe; a cover plate is arranged on the right side wall of the feeding pipe; two crushing rollers are arranged below the feeding pipe; a cam is arranged on a rotating shaft of each crushing roller; the rotating shafts of the crushing rollers are separately connected to a first driven wheel and a second driven wheel; a crushing screening frame is arranged below the crushing rollers; a square block is arranged in the crushing screening frame; a blade and sieve holes are formed in the crushing screening frame; a guide bar is arranged at the bottom of the crushing screening frame; a crushing roller is arranged in the bottom of the crushing screening frame; the rotating shafts of the crushing rollers are separately connected to a third driven wheel and a fourth driven wheel; a driving wheel is connected to the rotating shaft of a motor; impellers are arranged on the rotating shaft of the motor; a motor protecting cover is arranged on the motor; the crushing screening frame is arranged below the crushing rollers; and a semi-spherical block and the sieve holes are formed in the crushing screening frame. The energy-saving and environment-friendly medical orthopedical waste gypsum crushing and grinding recovery equipment disclosed by the invention is good in crushing and grinding effectand is energy-saving and environment-friendly simultaneously.

The invention provides a new process for industrialized production of ultralow-oxygen narrow-MWD (Molecular Weight Distribution) polydimethylsilane. The ultralow-oxygen narrow-MWD polydimethylsilane is synthesized by adopting a Wurtz method. The new process comprises the following processing steps of: firstly drying a solvent required for reaction, carrying out secondary rectification for dimethyl dichlorosilane in advance to improve the purity of dimethyl dichlorosilane, installing a temperature and humidity controller in a factory to ensure that the environmental humidity is below 40%, and the like, so that the oxygen content in produced polydimethylsilane is minimized (only 0.1%), the polydimethylsilane can reach the product performance of developed countries, and more qualified silicon carbide ceramic fiber can be prepared; an external multi-stage cooling circulatory system is adopted to timely discharge heat released in the Wurtz synthesis method so as to guarantee safe and smooth industrial production; a reactor has the dual advantages of the stability of glass and metal strength, thus being excellent corrosion-resistant equipment, fully meeting the requirements of the Wurtz method, and realizing the industrialized application of the Wurtz coupling method to synthesizing polydimethylsilane.

The invention discloses a plastic geocell, which comprises bar plastic cell sheets and connecting clamps, wherein the cell sheets are arranged side by side; the connecting clamps are clamped on connecting parts of the cell sheets and are fixed with rivets; the cell sheets connected together form a grid-shaped three-dimensional cell; each cell unit of the grid-shaped three-dimensional cell is internally provided with a connecting rope; both ends of the connecting rope are connected with the connecting clamps respectively; and the bar cell sheets are provided with drain holes. The plastic geocell has the advantages of simple structure, easy manufacturing and low cost. The plastic geocell can be convenient for water to flow and drain the water in time, can also prevent soil and sand filled in the geocell from shifting, can improve the scouring resistance and the erosion resistance, can improve the stability, prolongs the service life, reduces maintenances and is convenient to popularize and use.

The invention, which belongs to the field of traffic safety, relates to an automobile retrograde motion preventing device with a self-cleaning function. The device comprises a main pipe which is arranged underground and is horizontally arranged. The main pipe comprises a forward end and a backward end, wherein the two ends of the forward end and the backward end are sealed; the upper side wall ofthe main pipe is fixedly communicated with a plurality of branch pipes which are vertically arranged; the upper ends of the branch pipes are sealed, a horizontally-arranged sliding plate is connectedinto each branch pipe in a sealed and sliding mode, reset springs are fixedly connected between the sliding plates and the inner top faces of the branch pipes, vertically-arranged connecting rods arefixedly connected to the upper side walls of the sliding plates, and the upper ends of the connecting rods extend to the exteriors of the branch pipes and are fixedly connected with anti-retrograde belts. When an automobile runs in the forward direction and rolls on the anti-retrograde belts, the air pressure in the main pipe can extrude elastic air bags, water in the elastic air bags is sprayed to the gaps between the anti-retrograde main belt and the multiple anti-retrograde belts through water spraying pipes, so that dust difficult to clean in the gaps is removed, and the situation that theautomobile passes through the belts to cause large flying dust is avoided.

The invention discloses a hog house capable of being automatically cleaned. The hog house comprises a hog house body, a bottom plate buckled on the bottom of the hog house body and a dirt discharging cavity. The bottom plate is provided with a gap for discharging dirt. The bottom plate is provided with a cleaning mechanism, a scraper blade of the cleaning mechanism is hollow, a rectangular opening used for spraying water is transversely formed in one side face of the scraper blade, and a gap for spraying water is formed. The dirt discharging cavity is buckled in the lower portion of the bottom plate, a sealed space is formed at the lower portion of the bottom plate, the dirt discharging cavity is connected with a vacuum pump through a pipeline, and the negative pressure is formed in the dirt discharging cavity through driving of the vacuum pump. A pallet grid capable of being drawn is arranged in the dirt discharging cavity, and the dirt discharging cavity is partitioned into an upper layer and a lower layer.

The invention discloses a waterproof cable well, which comprises a well body, wherein the low-lying area at the well bottom of the well body is provided with a sump; the top face of the well body is provided with a fan heater; the fan heater comprises a humidity sensor; the sump is internally provided with an ultrasonic atomization device; a mist collecting hood is arranged above the sump; a suction pipe and an exit pipe of the mist collecting hood are communicated; repellent paint is painted on the inner surface of the well body; the components and the weight parts of the repellent paint is as follows: 50-100 parts of polyether, 5-8 parts of epoxy resin, 5-15 parts of polytetrafluoroethylene, 5-15 parts of polyether ether ketone, 0.5-1.5 parts of plasticizer, 10-15 parts of polyurethane, 1-5 parts of simethicone, 5-10 parts of nanometer silicon dioxide and 30-50 parts of ethanol. The waterproof cable well has the advantages that the waterproof cable well is capable of draining water continuously and timely in a rainy humid environment, and the waterproof and dehumidification performances are realized.

The invention discloses a shell fabric drying room with a fuzz removal function. The shell fabric drying room comprises a conveying belt, a drying oven, a plurality of fuzz suction channels and fuzz removal rotary plates, wherein the conveying belt is arranged at the bottom of the drying oven, transmission shafts are arranged at the two ends of the conveying belt, a plurality of heating rollers are arranged in the conveying belt, and the fuzz suction channels are formed in the drying oven. Rotary motors are arranged in the fuzz suction channels, rotary rods are connected onto the rotary motors, the fuzz removal rotary plates are arranged at the tail ends of the rotary rods and connected with the rotary rods through lifting cylinders, a plurality of blades are arranged on the fuzz removal rotary plates, the fuzz suction channels are communicated through a first pipeline, and a first exhaust fan is arranged at the tail end of the first pipeline. Shell fabrics can be dried by the heating rollers in the conveying belt, and fuzz removal is performed on the shell fabrics through the fuzz removal rotary plates in the drying oven.

The invention provides an indoor unit, a motor waterproof structure of the indoor unit and an air conditioner. The motor waterproof structure comprises an air passage bottom (1) and a motor cover, a motor water receiving groove (21) capable of receiving condensate water is formed in the upper surface of the motor cover (2), and an air passage water receiving groove (11) is capable of receiving condensate water is formed in the upper surface of the air passage bottom (1). One side, close to the air passage water receiving groove (11), of the bottom face of the motor water receiving groove (21)is provided with a first water outlet (22). The first water outlet (22) extends towards the direction of the air passage water receiving groove (11) to a position above the bottom face of the air passage water receiving groove (11). By the motor waterproof structure, condensate water in the motor water receiving groove can be effectively discharged into the air passage water receiving groove, condensate water on the motor cover can be discharged timely to effectively solve the problem of drainage of condensate water in an air passage, safety improvement, structural simplicity and reliability in assembly are realized, and integral production efficiency and reliability are improved.

The invention discloses a regional fishing device for circulating-water cage culture. The device includes at least one breeding tank, wherein an aeration water-pushing module is arranged at one end ofeach breeding tank, a sewage collection module is arranged at the other end, and each breeding tank includes a canvas trough body which is arranged in a buoyancy frame; circulating net drying modulesare fixed at both ends of each canvas trough body separately, each circulating net drying module includes a ring-shaped net which is arranged in a frame body, and chain transmission can be formed byeach ring-shaped net after each ring-shaped net is driven; net change is performed through circulating movement of the ring-shaped nets for a distance, each breeding tank is also provided with at least one regional dividing module, and a canvas is divided into at least two regions by a regional cross bar; each aeration water-pushing module is arranged outside the corresponding circulating net drying modules, and is used for carrying out aeration and pushing water for the corresponding breeding tank, each sewage collection module includes a diversion area and a collection area, and the outsideof each diversion area communicates with the corresponding collection area; and sewage which is pushed out of each breeding tank is introduced into one collection area through the corresponding diversion area, and then dirt is drained away through suction. Fishing of cage culture can be facilitated, cleanliness, aeration and water exchange of net cages are ensured, and functions of collection anddischarge of sewage are achieved.

The invention discloses a high-efficiency energy-saving cleaning and oil applying device for chain parts. The device comprises a primary cleaning tank, the outer wall of the top end of one side of theprimary cleaning tank is fixedly connected with a clean water flushing tank through a rotary power box, the clean water flushing tank is fixedly connected with an oil applying tank through a rotatingconnecting box, and the middle position of inner walls on the two sides of the primary cleaning tank is connected with a material loading device in a sliding mode; one end, away from the primary cleaning tank, of the material loading device penetrates through the clean water flushing tank and the oil applying tank and extends to the outside of the oil applying tank; and fixed supporting sliding rods are arranged between the primary cleaning tank and the clean water flushing tank and between the clean water flushing tank and the oil applying tank. The invention relates to the technical field of chain production and machining equipment. According to the device, a cleaning and oil applying process of the chain parts is independently carried out in three steps, so that a cleaning agent can berepeatedly used, rust-proof oil can be timely collected, the cleaning effect of the device on the chain parts is improved, the cleaning and oil applying period of the chain parts is shortened, and the purposes of energy conservation and environmental protection are achieved at the same time.

The invention discloses an ecological bag slope protection system. The ecological bag slope protection system comprises a concrete bag layer paved along the slope surface of a slope, the concrete baglayer is composed of a plurality of concrete bags filled with concrete, and the concrete bags are shaped like a Chinese character 'jing' in the slope surface of the slope; the concrete bag layer is externally and fixedly provided with fixing nets, four corners of the concrete bags are fixed to the fixing nets, and the fixing nets are fixed to the slope surface through ground anchors; a plurality of ecological bags are crisscross stacked outside the fixing nets along the slope surface of the slope; and a layer of water discharge racks are arranged between two adjacent ecological bags in a padded manner, and the edges of a plurality of water discharge rack layers communicate with each other through water guide pipes. The ecological bag slope protection system is simple in structure and convenient to construct, the impact resistance of a traditional concrete slope body is achieved, an attractiveness and ecological enrichment effect also can be performed, meanwhile, the plant growth ability of the ecological slope protection system is rapid, the construction time and take-effect time are short, the ecological bag slope protection system can be put into use more quickly, and soil fixation and wind prevention are achieved.

The invention provides a specimen collector for urinary surgery operation. The specimen collector comprises a collector body, a funnel, an opening device and a protective film, wherein the collector body is arranged below the funnel, the opening device is mounted in an opening device mounting groove of the funnel, and the opening end of the funnel can be automatically opened, so that a bag-shapedstructure is formed. The protective film is connected with the inner side of the opening end of the funnel. An opening end adjusting belt capable of adjusting the opening height of the opening end isarranged at the opening end of the funnel. The position of the opening end of the funnel can be heightened or lowered by adjusting the length of the adjusting belt, so that the opening end of the funnel is arranged at a proper height, and thus the phenomenon that liquid drops which splash during falling of solid stones or cut tissues contained in flushing liquid pollute medical staff can be effectively avoided. The specimen collector for urinary surgery operation provided by the invention can effectively separate solid specimen tissues, so that pathologic analysis is facilitated, meanwhile, medical sewage is timely drained through a drainage pipe, and the use is convenient, safe and effective.

The invention discloses a preparation method of a fabric capable of enhancing cool feeling. The preparation method comprises the following steps of firstly, carrying out dipping finishing on a synthetic fiber knitted fabric by using a moisture absorption and sweat releasing composite finishing agent formed by blending a moisture absorption and sweat releasing agent and high-thermal-conductivity short fibers to prepare a moisture absorption and quick-drying fabric; and carrying out single-sided silk-screen finishing on the moisture absorption and quick-drying fabric by using mixed glue slurry of cool feeling microcapsules and phase-change microcapsules to obtain the fabric capable of enhancing the cool feeling. The fabric capable of enhancing the cool feeling prepared by the invention can achieve the effect of obviously enhancing the cool feeling by endowing the fabric with the functions of instant cool feeling, continuous cool feeling, moisture absorption, quick drying and the like, brings comfortable experience to a human body, and can be used for sportswear, protective clothing, home textiles and the like.

The invention discloses a rainwater collection system for a hollow permeable kerb. The system comprises the hollow permeable kerb, a rainwater well in a green belt, an underground rainwater adjustingtank and a pipeline for connecting the components; the hollow permeable ker is laid between the road surface and the green belt and is used for draining rainwater on the road surface; when rainfall intensity is low, rainwater on the road surface can flow into the green belt through the hollow permeable kerb; excessive rainwater on the road surface can flow into the rainwater adjusting tank throughthe hollow permeable kerb along with increase of the rainfall intensity; excessive rainwater which cannot permeate into the green belt in time can be collected into the rainwater adjusting tank through the rainwater well; the rainwater adjusting tank has the effects of storing rainwater and regulating rainstorm flood peak flow; and in sunny days, rainwater stored in the rainwater adjusting tank can be used for watering green plants. With the system of the invention adopted, road ponding can be effectively solved, and initial-stage rainwater is discarded and enters the green belt to be infiltrated, and middle- and later-stage rainwater is stored and recycled.

The invention discloses a working method of an intelligent high-efficient dust removal device. The intelligent high-efficient dust removal device comprises a shell and a control apparatus, wherein an air inlet is provided with an air collection chamber, a rotating mechanism and a first filter mechanism are arranged inside the shell, an inner rotating mechanism and an outer rotating mechanism are arranged in the rotating mechanism, the inner rotating mechanism and the outer rotating mechanism are arranged in opposite directions, the first filter mechanism is arranged at an outlet of the inner rotating mechanism, a gas detection mechanism is arranged in the gas collection chamber, and the rotating mechanism, the first filter mechanism and the gas detection mechanism are respectively connected with the control apparatus. The air inlet is provided with the gas collection chamber, the content and concentration of impurities in gas are detected by virtue of the gas detection mechanism, and the dust removal time and times are determined according to a detection result; and the inner rotating mechanism and the outer rotating mechanism are arranged inside the shell, so that an outer eddy current and an inner eddy current can be formed, the dual separation can be realized by utilizing natural gravity, and the further filtering is carried out by virtue of the filter mechanism.

The invention discloses a high-cleanliness dust removal device, comprising: a housing and a control device, the housing is provided with a group of air inlets and an air outlet, and the housing is provided with an inner cavity and an outer cavity, The air inlet is provided with a gas collection chamber, the inner cavity is arranged inside the outer cavity, the outer cavity is provided with a rotating mechanism, and the outlet of the inner cavity is provided with a first filter mechanism, so A gas detection mechanism is arranged in the gas collection chamber, and the rotation mechanism, the first filtering mechanism and the gas detection mechanism are all connected with the control device. In the present invention, a gas collection chamber is arranged at the air inlet, and the impurity content and concentration in the gas are detected by a gas detection mechanism, and the time and frequency of dust removal are determined according to the detection results. It can form a downward airflow, use natural gravity to achieve double separation, and then perform deep filtration through the filtering mechanism, greatly improving its filtering effect.

The invention discloses a self-centering floating brush type sealing tile, comprising an upper half sealing tile and a lower half sealing tile, wherein the upper half sealing tile and the lower half sealing tile are fastened by bolts at a central parting surface; and the inner surfaces of the sealing tiles are tungsten and gold surfaces. The self-centering floating brush type sealing tile is characterized in that the inner surfaces of the sealing tiles are concave to form a groove for arranging a brush ring; the groove for arranging the brush ring is internally provided with the brush ring; and the brush ring is in zero-gap or interference-fit match with a generator rotor. In the self-centering floating brush type sealing tile, a more ideal solution is provided for sealing the end part of a hydrogen-cooling generator, so that compared with the existing common sealing tiles, the sealing performance is greatly improved, the hydrogen leakage and the hydrogen pollution can be effectively reduced, simultaneously the faults such as jamming and eccentric wearing and the like of the sealing tile are reduced, the service life is prolonged and the economy and the safety of operation of a hydrogen-cooling generator set are improved.

The invention discloses a novel coating machine. The coating machine comprises a unreeling mechanism, a first traction mechanism, coating and drying mechanisms, a second traction mechanism and a winding mechanism which are sequentially arranged in the conveying direction of materials; at least two coating and drying mechanisms are arranged in the conveying direction, and the coating and drying mechanisms comprise gluing mechanisms, glue scraping mechanisms and drying mechanisms which are sequentially arranged in the conveying direction; the drying mechanisms comprise heat supply devices and drying boxes; the drying boxes comprise first drying box, a second drying box and a third drying box; each of the first drying box, the second drying box and the third drying box comprises an air inletsand an air outlet; and the number of the heat supply device is two, wherein one heat supply devices is connected with the air inlet of the first drying box through a heat supply pipeline, and the other heat supply device is connected with the air inlet of the second drying oven and the air inlet of the third drying box through another heat supply pipeline. The novel coating machine has the advantages of being low in energy consumption, high in production efficiency.

The invention discloses a durable type asphalt pavement structure which comprises a base layer, a mixed layer, a cement concrete layer and an asphalt layer, wherein the base layer is laid on the ground, a water draining pipeline is arranged in the horizontal direction in the base layer, the mixed layer is laid on the upper surface of the base layer, the mixed layer is formed by stone and gravel, the gravel is laid among the stone, the laid thickness of the gravel is a half of the height of the stone, the cement concrete layer is laid on the upper surface of the mixed layer, two or more protruded long stripes are arranged on the surface of the cement concrete layer, the same steps are arranged on the two sides of the protruded long stripes, the protruded long stripes are arranged in a criss-cross mode to form a grid structure, and the asphalt layer is laid in grids formed by the protruded long stripes. The asphalt pavement structure disclosed by the invention has a self-repair function,so that the service life of the asphalt pavement is prolonged, maintenance times and maintenance cost are reduced; the structure further has a water drainage function.

The invention relates to a novel blowing device of a cold rolling device, which comprises a large flow centrifugal blower, an upper blowing air blade and a lower blowing air blade, wherein the large flow centrifugal blower is connected with a main pipe, the main pipe is internally provided with a control valve and communicated with the upper blowing air blade through an upper pipe and the lower blowing air blade through a lower pipe, the upper blowing air blade and the lower blowing air blade are fixedly arranged on a base of the cold rolling device, a blowing station used for placing a cold roll steel sheet is arranged between the upper blowing air blade and the lower blowing air blade; an included angle between the plane of an air outlet of the upper blowing air blade and the longitudinal center plane of the upper blowing air blade is 30-60 degrees, and an included angle between an air outlet of the lower blowing air blade and the longitudinal center plane of the lower blowing air blade is 30-60 degrees. The novel blowing device has weak noise, reduces the energy consumption and the cost and is convenient for maintenance.

The present invention relates to the field of side slope or slope stabilization treatment, and discloses a treatment method suitable for roadbed slope body collapse. The method comprises the followingsteps of: S1, stepped downloading; S2, grouting of steel flower tubes; S3, addition of a reinforced slide-resistant pile; S4, surface and underground intercepting drainage; and S5, slope treatment. The treatment method suitable for roadbed slope body collapse is suitable for reinforcing treatment in a later remediation mode for the roadbed slope body which generates slippage deformation and an inclined slide-resistant pile so as to effectively avoid further deformation treatment of the high and steep road roadbed slope body, is obvious in treatment effect, does not need extra land acquisition, is less in occupation of land, reduces land acquisition cost and related removal expense and is low in treatment cost.

The invention discloses a multifunctional three-dimensional grid for an asphalt mixture. The multifunctional three-dimensional grid is formed by splicing a plurality of three-dimensional grid units arranged on the same plane; the three-dimensional grid units are square grids; each square grid comprises a plurality of transverse support plates arranged in parallel and a plurality of longitudinal straight plates arranged in parallel; the transverse support plates and the longitudinal straight plates are vertically arranged and are arranged on the same plane; the height of each transverse plate is the same as that of each longitudinal straight plate; the plurality of longitudinal straight plates are arranged on the plurality of transverse support plates from left to right; each of the longitudinal straight plates is fixedly connected with the plurality of transverse support plates respectively; one or more rows of through holes are formed in the transverse support plates and the longitudinal straight plates; and each row of through holes comprises a plurality of through holes from front to back. The multifunctional three-dimensional grid has a simple structure, and is reasonable in design, relatively low in input cost, good in application effect, and convenient to construct, wherein the bearing capacity, the high-temperature stability and the integrity of asphalt roads can be effectively improved.

The invention provides a side ditch structure with a guard, a member and a highway containing the side ditch structure, and relates to the technical field of highway engineering. The side ditch structure with the guard comprises a side ditch body, a first ditch is arranged in the side ditch body, a non-porous ditch cover sealing the upper part of the first ditch is arranged at the top of the sideditch body, a guard plate is arranged on the left side of the non-porous ditch cover and located above the side ditch body, the bottom end of the guard plate is connected with the top end of the leftside wall of the side ditch body, and a water inlet hole for water on the left side of the guard plate to flow into the first ditch is formed in the left side wall of the side ditch body and / or the guard plate. For the highway provided with the side ditch structure, a guardrail is not needed to be mounted on the outer side of the shoulder, and accumulated water on the road surface can also be drained away in time effectively; under the condition of the same effective width of the road surface, the highway provided with the side ditch structure has the advantages that less mountain is dug, andengineering cost is lower; compared with the same rock digging amount in the traditional mode, larger effective road width can be obtained by the highway provided with the side ditch structure.

The invention discloses a garden landscape pavement and an implementation method thereof, and relates to the related technical field of garden road constructions. The garden landscape pavement comprises a pavement main body and flower grooves formed in the pavement main body; protrusions are arranged on the two sides of the pavement main body, the flower grooves are formed in the protrusions, flower partition plates are arranged on the bottom surfaces of the flower grooves, and round holes are formed in the flower partition plates; and a water tank is arranged above the flower partition plates, overflow holes are formed in the water tank, and the set heights of the overflow holes are the same. A clamping groove is further formed in the side surface of the pavement main body, a drainage ditch is formed in the junction of the side surface of the pavement main body and the upper surface of a protruding block, and a flow channel is formed in the bottom of the drainage ditch and is connected with the water tank. Aiming at the pavement of the landscape pavement, the pavement has the characteristics of high practicability, high efficiency and stability in work, stable pavement pavement, long service life and the like.

The invention discloses a novel grinding device, which comprises a fixed base, two support blocks are symmetrically fixed on the upper surface of the fixed base, the two support blocks are fixedly connected with rollers through a rotating rod, and the tops of the two support blocks are fixedly equipped with a grinding machine. The side wall of the grinding box is vertically fixed with a plurality of first electric push rods through support rods. Slide rails, the two first electric slide rails are connected to the second electric slide rails through the first slide blocks, and the second electric slide rails are connected to the grinding motor through the second slide blocks. The structure design of the present invention is simple and reasonable, easy to operate, and can realize the grinding of plates in different directions by the grinding device. processing.

The invention discloses a road drainage system comprising a road surface drainage part and a road side drainage part, wherein the road surface drainage part is orderly provided with a base layer, a waterproof layer and a non-watertight layer from bottom to top; the upper part of the waterproof layer is provided with a road surface drainage groove; the road side drainage part comprises non-watertight curbstones and road side drainage grooves; the non-watertight curbstones are arranged on both sides of a road and adjacent to the road surface drainage part; the road side drainage grooves are arranged under the non-watertight curbstones; the non-watertight curbstone comprises a non-watertight surface layer and a non-watertight strengthening layer; the non-watertight surface layer contains non-watertight material; the non-watertight strengthening layer is adjacent to the inner surface of the non-watertight surface layer and a cavity is arranged in the non-watertight strengthening layer. The road drainage system is provided with the road surface drainage part and the road side drainage part; the road side drainage part is provided with a guide cavity; and the rain water is drained in time after quickly penetrating through the thinner non-watertight surface layer, thereby ensuring the normal traffic of vehicles and the passerby traffic.