116results about How to "Prevent affecting stability" patented technology

The invention relates to the field of office supplies and provides a lifting table top. The lifting table top comprises a table top cover plate, switches and two support assemblies, wherein each support assembly comprises a base, a motor, a speed reducer, a screw rod, two support rods and torsion springs; the motor, the speed reducer and the screw rod are installed in the base; the speed reducer is connected with the screw rod; the motor is connected with the lower ends of the two support rods by the speed reducer and the screw rod; the two support rods are connected by the torsion springs; the table top cover plate comprises a base plate, a top decoration plate and lateral decoration plates; the switches are installed on the top decoration plate or the lateral decoration plates; the upper ends of the support rods are connected with the base plate; and the two support assemblies are symmetrically arranged left and right along the center of the base plate. The lifting table top has the following advantages that the lifting table top has a novel and compact structure, a small volume, good lifting stability, low motor power and high bearing capacity, dispenses with changing and damaging the original table top and is especially suitable for offices.

The invention discloses a timely four-wheel compound steering system and a multi-objective optimization method thereof. The system comprises a differential steering system and a four-wheel steering-by-wire system, and four individual wheel hub motors are adopted to achieve power-assisted steering. According to the timely four-wheel compound steering system, based on the differential steering system, the four-wheel steering-by-wire system and an electronic assistant system are additionally arranged, so that the timely four-wheel compound steering system can switch between a two-wheel differential steering mode and a four-wheel steering-by-wire mode to achieve car steering according to different working conditions of a car. Based on the timely four-wheel compound steering system, the multi-objective optimization method is provided. According to the method, by selecting partial parameters of the steering system as optimization variables, building a target function, setting constraint conditions, building a model of the timely four-wheel compound steering system and adopting a harmony searching algorithm, multi-objective optimization is conducted on the timely four-wheel compound steering system.

The invention belongs to the field of cold region slope support and discloses a cold region active ventilation cooling self-recovery slope anchorage structure and a construction method. The cold region active ventilation cooling self-recovery slope anchorage structure comprises a framework, ventilation anchor pipes and a ventilation system. The ventilation anchor pipes are formed in the mode that anchor pipes are nested in ventilation pipes coaxially through positioning rings and the ventilation pipes are coaxially sleeved with exhaust pipes. The ventilation system is composed of fans, temperature control switches and solar panels, all of which are connected through wires. Slurry is injected into the anchor pipes, passes through slurry outlet holes and is bonded with surrounding stable frozen soil; geogrids, drain pipes and the framework are constructed on the slope surface, and the ventilation anchor pipes penetrate through the framework; the front section of each ventilation anchor pipe is sleeved with a flange base plate and a spring sequentially and is fixed on the framework through an anchorage device; plants are planted in the geogrids, and a drain channel is arranged at the slope toe; the fans are installed at the front sections of the anchor pipes, the temperature control switches and the solar panels are arranged on the framework, and the fans, the temperature control switches and the solar panels are connected through the wires. The cooling effect is remarkable due to automatic air supply, the swelling reduction, shock absorption and self-recovery functions are remarkable, water is drained in time, and development of frozen soil is promoted due to the geogrid slope surface and the plants; the method is easy and convenient to implement, and construction is rapid.

The invention relates to a coated cloth and especially relates to a hydrophobic bacteriostasis multifunctional coated cloth and a processing method thereof. The hydrophobic bacteriostasis multifunctional coated cloth comprises a warp knitting fabric, a bacteriostasis coating on the surface of the warp knitting fabric, and a hydrophobic coating on the bacteriostasis coating. The bacteriostasis coating is prepared from 15-20 parts by weight of bamboo fibers, 0.5-2 parts by weight of Wasabia japonica extract, 0.5-2 parts by weight of white gourd kernel extract, 20-35 parts by weight of a polyvinylidene chloride emulsion and 35-45 parts by weight of an acrylate copolymer-paraffin composite emulsion. The hydrophobic coating is prepared from 100 parts by weight of PVC paste resin, 50-80 parts by weight of an eco-friendly plasticizer, 2-5 parts by weight of a stabilizing agent, 0-60 parts by weight of a filler, 0-20 parts by weight of a fire retardant, 0-5 parts by weight of a mildew inhibitor, 0-5 parts by weight of an anti-oxidant, 0-10 parts by weight of a binder and 0-70 parts by weight of hydrophobic nanometer fibers.

The invention discloses a spectral envelope silence detection method. The method comprises the following steps: converting a time domain signal into a frequency domain signal and calculating the spectral energy distribution of the signal; performing gain oscillation detection on a received signal according to the state of the received signal, and updating the spectral energy distribution of a background noise by selecting a corresponding updating mode according to the current state; calculating the signal-to-noise ratio of a frame by utilizing the spectral energy distribution of the received signal and the spectral energy distribution of the background noise, and storing the signal-to-noise ratio of the frame within a certain recent period of time; performing spectral envelope multi-shift according to the records of the signal-to-noise ratio of the frame and the signal-to-noise ratio of spectral envelope, and judging an input signal is a voice or a noise according to the state output of the state shift. By the method, the starting and the ending of a voice signal can be detected quickly, and basis can be provided for processing voice signals such as voice noise reduction and voice silence.

The invention discloses a preparation method of cobamamide lyophilized preparation for injection. The preparation method of cobamamide lyophilized preparation for injection comprises following steps that medicine components include, by weight, 0.5-1 parts of cobamamide and 30 parts of mannitol; the cobamamide and the mannitol are weighed under a red light lamp with the illumination intensity of 20 lux to 50 lux, are added into water filled with inert gas and are stirred so as to be dissolved, 0.1% to 0.2% of activated carbon is added into mixture of the cobamanide, the mannitol and the water, and then mixture of the activated carbon, the cobamanide, the mannitol and the water is finely filtered, charged separately, filled with inert gas to be protected and then is lyophilized. Chemical stabilizing agent such as bacteriostat, complexing agent, opacifier and the like is not used in the preparation method. The preparation method not only is convenient for work of operators, but also can prevent stability of the quality of products from being affected due to inappropriate light shielding methods, and simultaneously, stability of the products is improved.

The invention belongs to the field of fuel cells, and particularly discloses a combustor for a medium-high temperature solid fuel cell and an application thereof. An air inlet and a fuel inlet are arranged at an inlet end of a static mixing cavity in the combustor and are used for mixing air and fuel to obtain mixed gas; a shunting orifice plate is connected with an outlet end of the static mixingcavity to provide a buffer area for the mixed gas and shunt the mixed gas; a metal mesh structure is connected with the shunting orifice plate, so that the phenomena of tempering and flamelifting areprevented; a combustion chamber is arranged on the outer side of the static mixing cavity and provides a space for mixed gas combustion; and a pulse igniter is arranged above the metal mesh structureand used for igniting the mixed gas. According to the combustor, the shunting orifice plate is utilized to provide the buffer area for the high-flow-rate mixed gas, meanwhile, flame generated by combustion is divided into a plurality of fine flame flows by utilizing the metal mesh structure, and stable gas flow and temperature gradient are formed, so that the phenomena of the tempering and flamelifting are prevented.

The invention relates to the technical field of weak current cable connecting devices, and discloses an anti-falling weak current cable connector. The anti-falling weak current cable connector comprises a connector body, wherein a connecting sleeve is mounted in the middle part of the inner cavity of the connector body; the inner wall of the connecting sleeve is fixedly connected with an insulating sleeve; a conducting rod is mounted inside the insulating sleeve; a cone-shaped guide pipe is mounted inside the inner cavity of the connector body; the small circle surface of the cone-shaped guide pipe is fixedly connected with one end of the conducting rod; and a first mounting block and a second mounting block are mounted on the top and at the bottom of one side face of the connector body respectively. According to the anti-falling weak current cable connector, the connector is provided with the first mounting block, the second mounting block, a first semi-circular ring, a second semi-circular ring, a clamping rod and a clamping groove, and the depth of the clamping rod in the clamping groove is adjusted, so that the size of the first semi-circular ring and the size of the second semi-circular ring are adjusted; simultaneously, limiting holes and through holes are matched, and fixed pins are inserted, so that cables are limited and fixed, the effect of preventing the weak current cables from falling off is reached, and the connector is convenient to use and simple in operation.

The invention discloses a material pulling machine convenient to use. The material pulling machine convenient to use comprises a box body; a motor box is fixedly connected to the bottom of the right side of the box body; a dust removing box is fixedly connected to the left side of the top of the inner wall of the box body; a bottom box is fixedly connected to the bottom of the dust removing box; an electric hydraulic rod is fixedly connected to the top of the inner wall of the box body; the end, away from the top of the inner wall of the box body, of the electric hydraulic rod is fixedly connected with a top plate; and the two sides of the bottom of the top plate are each fixedly connected with an extruding frame through a buffering device. The invention relates to the technical field of material pulling machines. By means of the material pulling machine convenient to use, the extruding thickness can be effectively adjusted, fine adjustment can be performed, buffering at a certain degree can be performed during extruding, material pulling is made quite convenient, unnecessary waste is reduced, pressing flattening treatment can be performed before extruding, the pressing flatteningtemperature can be adjusted, extruding can be conveniently performed at the later stage, the work efficiency is greatly improved, and the material pulling quality is guaranteed.

The invention discloses a crawler type moving telescopic automatic stacking device and a stacking method thereof, and belongs to the technical field of belt conveying. The crawler type moving telescopic automatic stacking device comprises an inner truss, an outer truss, a horizontal swinging mechanism, a crawler type moving mechanism, a radial telescopic mechanism and a support mechanism, wherein an inner conveying belt and an outer conveying belt are fixedly connected to the inner truss and the outer truss correspondingly in the vertical direction; the top end of the support mechanism is connected with the upper part of the outer truss; and the inner conveying belt extends outwards as required by virtue of the radial telescopic mechanism. The crawler type moving mechanism is fixedly connected to the fixed end of the bottom of the outer truss by virtue of a rotary support or a traction support seat, the support mechanism is in a lifting type and comprises a lifting hydraulic cylinder and a lifting frame which are fixedly connected with each other, and the lifting amplitude of the lifting frame ranges from 6 degrees to 18 degrees, so that the spatialization of a discharge side is further increased in a vertical direction, discharge is performed from point to surface and then from surface to stereo, and the discharge volume is increased. In addition, the technical problems of the narrow working surface, bad maneuverability and high design cost of a moving belt conveyor are solved.

The invention relates to a fixture capable of being fixed at an any included angle. The fixture is characterized in that a sliding rail is arranged on a base; a sliding block is arranged on the sliding rail; a screw is arranged on the sliding rail; a positive and negative rotation motor A is in transmission with the screw through a speed reducer; a left fixing frame and a right fixing frame are arranged on the base symmetrically; the upper part of the left fixing frame is hinged to the left end of the sliding block through a hinged connecting rod, and the upper part of the right fixing frame is hinged to the right end of the sliding block through a hinged connecting rod; support rollers A are arranged between each of fixing arms A and the corresponding fixing arm B; telescopic cylinders Aare arranged on each of the fixing arms B; support rollers B are arranged on each of support roller frames; a dial A and a dial B are arranged at the middle of a fixing plate; a dial pointer B is arranged on a connecting plate B; and the dial pointer B can show the readings of the dial B. The fixture capable of being fixed at an any included angle has the benefits as follows: two components needing to be fixedly connected according to a certain angle can be fixedly quickly, the connecting part of the two components can be reinforced, and the included angle between the two components can be redout conveniently.

The invention relates to the field of office supplies and provides a lifting table top. The lifting table top comprises a table top cover plate, switches and two support assemblies, wherein each support assembly comprises a base, a motor, a speed reducer, a screw rod, two support rods and torsion springs; the motor, the speed reducer and the screw rod are installed in the base; the speed reducer is connected with the screw rod; the motor is connected with the lower ends of the two support rods by the speed reducer and the screw rod; the two support rods are connected by the torsion springs; the table top cover plate comprises a base plate, a top decoration plate and lateral decoration plates; the switches are installed on the top decoration plate or the lateral decoration plates; the upper ends of the support rods are connected with the base plate; and the two support assemblies are symmetrically arranged left and right along the center of the base plate. The lifting table top has the following advantages that the lifting table top has a novel and compact structure, a small volume, good lifting stability, low motor power and high bearing capacity, dispenses with changing and damaging the original table top and is especially suitable for offices.

The invention discloses a template used for casting a floor beam. The template comprises a beam bottom template, a beam side template, a beam end template and a floorslab bottom mold; the beam bottom template, the beam side template and the beam end template form an opening structure with the top opened and the periphery and the bottom closed; the floorslab bottom mold is arranged on the side of the top of the beam side template; the template also comprises a horizontal back ridge and a clamping piece; the horizontal back ridge is limited between the clamping piece and the side face of the beam side template. The invention also discloses a construction method of the floor beam. The template used for casting the floor beam and the construction method of the floor beam disclosed by the invention have the advantages that the floor beam has correct sectional dimension, no mold swelling, no mold explosion, no mud leakage and no deformation, the concrete construction quality is ensured, the construction is simple, the disassembly and the assembly are convenient, and the cost and the unnecessary repair can be effectively reduced and saved.

The invention discloses vehicle anti-fatigue driving equipment based on big data. The equipment comprises a big data fatigue monitoring system and an anti-fatigue reminding system which are integratedwith vehicle driving. The anti-fatigue reminding system comprises a driver seat, an electric shock stimulation plate and a vibratory massage anti-fatigue mechanism. A secondary safety protection bellyband is also arranged on the side surface of the driver seat. A safety belt integrated clamping plate used for fixing a second-level safety protection bellyband is arranged on the side face of the driver seat, a respiratory rate monitoring module is arranged on the portion, close to the tail end, of the second-level safety protection bellyband, and a bellyband tying monitoring module is arrangedon the safety belt integrated clamping plate. The implementation method of the anti-fatigue equipment comprises: identifying gender and age information of a driver; performing bellyband fastening reminding; monitoring the respiratory rate in real time; starting a vibratory massage anti-fatigue mechanism at regular time; performing fatigue stimulation. According to the scheme, the subjective initiative of an anti-fatigue implementation mode is improved, the fatigue of a driver can be actively relieved, and the effectiveness and stability of anti-fatigue implementation are improved.

The invention discloses a rainwater garden system capable of a protecting bottom denitrification anaerobic zone. The rainwater garden system comprises a front tank, the front tank comprises a settlement zone and a transition zone, a sludge pump is arranged at the bottom of the settlement zone and connected with a pressure sludge pipeline, the settlement zone is connected with the transition zone through a filter material zone, the transition zone is connected with a rainwater retention zone through a front tank discharge pipe, a first water storage zone, a soil layer, a gravel layer and a composite reverse osmosis layer are sequentially arranged in the rainwater retention zone, a collector pipe is arranged in the gravel layer, an external tank body is arranged outside the rainwater retention zone and provided with a second water storage zone, and the first water storage zone is provided with a fourth overflow pipe. Rainwater enters the external tank body through the fourth overflow pipe, and a second overflow pipe is arranged on the external tank body and used for discharging overflowing rainwater into a municipal sewage pipe network. The rainwater garden system is reasonable in structure, surface runoff rainwater in a housing estate can be collected and deep treated, flood detention effects can be improved, and runoff rainwater pollution control can be reinforced.

The invention relates to the technical field of fixtures and discloses an energy-saving type hydraulic station. The energy-saving type hydraulic station is located at the driving end of a fixture and comprises a hydraulic cylinder connected with tool equipment. The energy-saving type hydraulic station further comprises an air cylinder set, a control valve, a reversing valve and two or more oil cylinders. The air cylinder set is connected with the same air source device and provided with a plurality of output rods. Each output rod of the air cylinder set is connected with the driving faces of pistons of the oil cylinders. Oil path output outlets of all the oil cylinders are connected with the control valve through oil paths. The control valve, the reversing valve and the hydraulic cylinder are sequentially connected through an oil path. Compared with a traditional hydraulic system, the energy conversion efficiency is improved through the scheme. Meanwhile, due to the fact that hydraulic oil does not pass through an oil pump, the loss of the hydraulic oil due to the oil pump is not increased, and the usage amount of the hydraulic oil is reduced. A motor used by a common hydraulic station is not used, so that the energy consumed by the motor is reduced, and the requirements for oil products are low at the same time.

The invention relates to a stirring device and especially relates to the stirring device for food detection. The technical problem to be solved by the invention is to provide the stirring device for food detection with capability of uniformly distributing food and convenience in detection. In order to solve the technical problem, the stirring device for food detection provided by the invention comprises a mounting frame, a box, a first discharging pipe, a first valve and a cover plate, wherein the box is arranged at the center of the top of the mounting frame; the first discharging pipe is arranged on the lower part of a right wall in the box; a first valve is arranged on the first discharging pipe; a cover plate is connected with the top of the left wall of the box through a hinge; the box is covered by the cover plate; a handle is arranged on the right side of the top of the cover plate; and a fixing device is arranged between the upper parts on the right side of the cover plate and the right side of the box. The stirring device for food detection can more uniformly mix the food in the box, can increase the stirring efficiency and can more accurately judge whether stirring is uniform.

The invention discloses a cigarette free combustion speed testing device which comprises a box body, a cigarette feeding unit, a rotating unit, a cigarette lighting unit, a cigarette pulling and collecting unit, a smoke discharging unit, an image processing unit, a suction unit and a control unit; the box body is of an internal hollow structure, and a fixing plate is arranged in the box body; theinterior of the box body is divided into two parts by the fixing plate, the cigarette feeding unit, the rotating unit, the cigarette lighting unit and the cigarette pulling and collecting unit are fixed to the fixing plate, the smoke discharging unit is fixed to the top of the box body, the image processing unit is further fixed to the smoke discharging unit, and the suction unit and the control unit are fixed to the bottom of the box body. The testing device has the advantages that the testing device replaces manual operation, the efficiency is greatly improved, the influence of the experimental environment on the testing result is small, and the consistency of the testing result is improved; meanwhile, the laboratory environment cannot be polluted, and the harm to the body of a tester isreduced.

The invention relates to equipment for removing burrs, in particular to equipment for removing burrs on the surfaces of mechanical parts. The equipment for removing the burrs on the surfaces of the mechanical parts is high in burr removal efficiency and thorough in removal effect. According to the technical scheme, the equipment for removing the burrs on the surfaces of the mechanical parts comprises a transverse plate, supporting legs, a bracket, a vertical plate, a sliding rail, first sliding blocks, a file, a motor, a rotating shaft, a bearing seat, a rotating rod, a swinging rod, a mounting plate, a cylinder body, a piston and the like. The supporting legs are correspondingly connected to the left and right sides of the bottom of the transverse plate. The bracket and the vertical plateare connected to the left side of the top of the transverse plate. The bracket is positioned on the left side of the vertical plate, and the sliding rail is installed on the right side of the vertical plate. According to the equipment for removing the burrs on the surfaces of the mechanical parts, the burrs on the surfaces of the mechanical parts are removed by the file moving up and down, and the piston moving up and down drives air to be blown out from the end of an air pipe, so that debris generated during burr removal is blown off, the debris is prevented from affecting burr removal efficiency, and the more thorough removal effect is achieved.

The invention relates to a processing method of multifunctional coated fabric with hydrophobic and antibacterial functions. The processing method of the multifunctional coated fabric with hydrophobicand antibacterial functions comprises the steps as follows: 1) raw materials of an antibacterial coating are mixed and then stirred for 12-24 h, antibacterial coating slurry is obtained and uniformlyapplied to the surface of warp knit fabric, the warp knitted fabric is dried, and an antibacterial coating is formed on the surface of warp knitted fabric; b) raw materials except hydrophobic nanofiber for producing a hydrophobic coating are mixed and stirred at 50-80 DEG C for 1-3 h, and hydrophobic coating slurry is obtained, the stirred hydrophobic coating slurry is uniformly applied to the antibacterial coating obtained in step a, and warp knitted fabric with the hydrophobic coating is obtained; c) the hydrophobic nanofiber is planted on the surface of the hydrophobic coating obtained in step b with an electrostatic flocking method and the multifunctional coated fabric with hydrophobic and antibacterial functions is prepared.

The invention belongs to the field of VOCs exhaust gas processing, and especially relates to a device and a method used for skid mounted module type processing of VOCs exhaust gas. The device comprises a pre-processing spray device, an ultraviolet lamp catalytic device, an adsorption device, a condenser, and a circulation water tank; exhaust gas is delivered through the pre-processing spray device, the ultraviolet lamp catalytic device, and the adsorption device successively; a multi-spherical filling material is introduced into the pre-processing spray device. According to the method, the spray pre-processing, ultraviolet light catalysis, and adsorption technology are combined, after spray, ultraviolet light catalysis, and adsorption processing, VOCs removing efficiency is higher than 95%, and the device and the method are suitable for processing of VOCs exhaust gas of high or low concentration; the application range is wide; operation and maintenance are simple; the method is safe; and operation cost is low.

The invention discloses a copper foil tension testing device which comprises a bottom plate, a lifting plate, a vertical frame, two airbag clamps and an overload protection assembly, and is characterized in that the vertical frame is arranged on the bottom plate, a vertical lead screw is arranged on the vertical frame, and the lifting plate is in threaded fit with the lead screw; a mounting frameis arranged on the bottom plate, and the overload protection assembly is arranged on the lower end face of the lifting plate. Each airbag clamp comprises a support, a first air bag, a second air bag and an inflation device, the first air bag and the second air bag are oppositely arranged on the support, the inflation device is used for inflating the first air bag and the second air bag, a first flexible clamping piece is arranged on the side face, close to the second air bag, of the first air bag, a second flexible clamping piece is arranged on the side face, close to the first air bag, the first flexible clamping piece is provided with a plurality of protruding edges, and grooves matched with the protruding edges are formed in the positions, corresponding to the protruding edges, of the second flexible clamping piece. The soft clamping of the copper foil is achieved through the airbag clamps, the copper foil cannot be scratched or crushed, and the accuracy of a tension test result isguaranteed.

The invention discloses a bidirectional seepage biological detention pond of an internal water storage column. The bidirectional seepage biological detention pond comprises a detention pond main body and an external pond body, wherein the detention pond main body is internally and successively provided with a first water storage area, a soil layer, a grit layer, a gravel layer and a composite reverse osmosis layer, the grit layer is internally provided with a water collection pipe, the internal water storage column is arranged in the detention pond main body, the internal water storage column comprises a water storage column shell, a cavity is formed in the water storage column shell, the bottom in the cavity is filled with a filler layer, a plurality of water distribution branch pipes are circumferentially arranged on the bottom of the water storage column shell, the first water storage area is provided with a first overflow opening, the first water storage area enables rainy water to overflow into a second water storage area arranged in the external pond body by virtue of the first overflow opening, and the detention pond main body is arranged in the external pond body. By adopting the internal water storage column, an anaerobic environment on the bottom of the detention pond filler layer can be ensured in a drought period; and the composite reverse osmosis layer can enable the water to continuously flow out from the bottom water collection pipe in the drought period, and a bottom dead water zone can be avoided.

The invention discloses a television air blowing and heat dissipating device capable of filtering dust. The device comprises a housing; a rubber gasket is arranged at the bottom of the housing; and amotor is arranged inside the housing. The device is characterized by being capable of blowing and cooling the inside of a television and removing dust blown in the television. The motor drives an airblower to blow air into the television to cool the television. The air passes through an air inlet and a filter net before entering the air blower; the filter net can filter the air preliminarily to reduced the dust content; and the filter net and the air inlet are in threaded connection, so that the filter net can be dismounted convenient and is convenient to clean. The air enters the air inlet and arrives at a sticky net along a hose and a plurality of sticky bars arranged inside the sticky net cooperate with an adhesive sticker to carry out secondary dust removing on the air, thereby achieving an objective of reducing the dust content efficiently. Moreover, the device having a reasonable and compact structure is convenient to use by the operator.

The invention relates to the technical field of tire cutting, in particular to a cutting device for waste tire machining. The device comprises a rack and supporting legs arranged at the four corners of the rack, wherein a supporting plate is arranged between the two supporting legs on the left side of the surface of the rack, guide rails perpendicular to the direction of the supporting plate are arranged on the front side and the rear side of the surface of the rack in parallel, and clamping mechanisms are arranged on the two guide rails of the rack; and a knife rest is arranged on the rack corresponding to the central position of the clamping mechanism, and a guide column is vertically arranged on the rear side wall of the rack corresponding to the position of the knife rest. According to the tire cutting device, a tire can rotate along the axis line all the time while rotating, deviation is prevented, stable support is provided for cutting, a cutting tool bit adopts a cutting mode from inside to outside, the situation that the tire deforms due to stress, and the rotating stability is affected is prevented, and therefore, the thicknesses of all sections of the cut tire is guaranteed to be consistent; and the phenomenon that a tool bit is broken due to shaking of the tire is avoided, the cutting efficiency is greatly improved, and the problems existing in the prior art are solved.

The invention relates to a high-wear-resistant corrosion-resistant floor scrubber polyurethane tire, and belongs to the technical field of polyurethane, and the polyurethane tire is prepared by the following steps: 1, mixing polyester polyol, a chain extender and isocyanate, stirring for reaction, then adding hydroxyl-terminated liquid rubber and a catalyst, and stirring to obtain a component A; 2, polycarbonate diol, polytetrahydrofuran glycol and p-phenylene diisocyanate are mixed and heated for a reaction, an oligomer is obtained, then isophorone diisocyanate, an antioxidant, an ultraviolet light absorber and an anti-hydrolysis agent are sequentially added, stirring is conducted, and a component B is obtained; and 3, mixing the component A and the component B, pouring the mixture into a tire mold, and curing to obtain the high-wear-resistance corrosion-resistant scrubber polyurethane tire. And the added chain extender and hydrolysis-resistant agent improve the strength of the material and resist hydrolysis, and have a good promotion effect on prolonging the service life of the high-wear-resistance corrosion-resistant floor scrubber polyurethane tire.

The invention discloses a rainwater garden system capable of a protecting bottom denitrification anaerobic zone. The rainwater garden system comprises a front tank, the front tank comprises a settlement zone and a transition zone, a sludge pump is arranged at the bottom of the settlement zone and connected with a pressure sludge pipeline, the settlement zone is connected with the transition zone through a filter material zone, the transition zone is connected with a rainwater retention zone through a front tank discharge pipe, a first water storage zone, a soil layer, a gravel layer and a composite reverse osmosis layer are sequentially arranged in the rainwater retention zone, a collector pipe is arranged in the gravel layer, an external tank body is arranged outside the rainwater retention zone and provided with a second water storage zone, and the first water storage zone is provided with a fourth overflow pipe. Rainwater enters the external tank body through the fourth overflow pipe, and a second overflow pipe is arranged on the external tank body and used for discharging overflowing rainwater into a municipal sewage pipe network. The rainwater garden system is reasonable in structure, surface runoff rainwater in a housing estate can be collected and deep treated, flood detention effects can be improved, and runoff rainwater pollution control can be reinforced.