69results about How to "Improve the appearance of the city" patented technology

The embodiment of the invention discloses a shared bicycle parking standardability confirming method and device as well as a server and a storage medium. The method comprises the following steps: acquiring verification pictures, shot and uploaded by a user through a terminal, of shared bicycles parked in a current area; if verifying that the verification pictures include parking aligning marks of the shared bicycles and shared bicycle recognizing marks which are in one-to-one correspondence with the shared bicycles, taking the verification pictures as valid pictures, wherein the parking aligning marks are patterns drawn on the shared bicycles and are used for showing the parking directions of the shared bicycles; confirming whether the valid pictures contain preset placemarks; and then confirming the parking standardability of the shared bicycles in the current area according to the confirmation results and the parking aligning marks and based on the preset parking standard. According to the scheme, the method has the advantages that the random stopping and parking of the shared bicycles can be solved; the city appearance is improved; the convenience of urban traffic management is ensured; and in addition, mass development of the shared bicycles is promoted.

The invention relates to sorting refuse disposal system and its method. The system comprises distributing device, feeding belt conveyer equipped at outlet of distributing device, sorting device under the outlet of feeding conveyor, two outlets on sorting device, regrading device under the outlet of organic matter, organic matter discharging belt device equipped at discharging side, garbage container under the discharging side, and discharging belt device under the inorganic matter outlet. The invention comprises the following steps: anti-odor treatment, sending garbage to sorting device to complete selective breaking sorting; organic refuse biological treatment or composting process. The invention is adapted to various garbages and sorting garbage at its source.

The invention discloses ecological slag permeable bricks and a preparation method thereof. Each ecological slag permeable brick comprises a basic strength permeable layer and a perceptive permeable layer which is formed by graded distribution and vibrating extrusion molding and is adhered to the upper surface of the basic strength permeable layer. The preparation method for the ecological slag permeable bricks comprises the following steps of: uniformly stirring 70 to 80 parts of ecological slag, 16 to 20 parts of cement, 2 to 5 parts of siliceous dust, 1 to 3 parts of melamine and 5.6 to 8.0 parts of water to prepare the basic strength permeable layer; and uniformly stirring 17 to 22 parts of cement, 65 to 75 parts of quartz sand, 3 to 4 parts of pigment, 2 to 7 parts of waterborne resin and 3.4 to 6.6 parts of water to prepare the perceptive permeable layer. The ecological slag permeable bricks and the preparation method thereof can overcome the defects of poor soiling resistance, poor water permeability and the like in the prior art, and have the advantages of high pollutant resistance, high water permeability, low cost, high environmental friendliness, and attractive appearance.

The invention discloses a shared bicycle parking station with two-dimensional codes and a working method. The shared bicycle parking station comprises a network server, bicycle piles, a canopy and bicycle space slots. The canopy is connected to the upper portions of the bicycle piles. An accumulator and a processor are arranged inside each bicycle pile. Each processor is powered by an external power source or the corresponding accumulator and comprises a main board, a positioning module, a charging module, a network module and a control module, wherein the positioning module, the charging module, the network module and the control module are connected with the main board. The bicycle space slots are connected with the bicycle piles. Distance sensors are arranged in the bicycle space slots and connected to the control modules. The two-dimensional codes are arranged on the bicycle piles, bicycle taking signals or bicycle returning signals are produced by scanning the two-dimensional codes. According to the shared bicycle parking station, unified management of shared bicycles is achieved, the behavior that people park the shared bicycles disorderly is restrained, city appearance is improved, and the probability that the shared bicycles are damaged is reduced. The shared bicycle parking station is wide in application and worth popularizing.

The invention discloses a parking management system. The system comprises an identification unit, at least two information collection units, an information processing unit and a prompting unit; the identification unit is disposed on a vehicle and records vehicle information; the information collection units are used for acquiring the vehicle information on the identification unit; and the information processing unit is used for acquiring the collected vehicle information, calculating distance between the vehicle and all the information collection units, judging whether the distances are all within a preset range, and then performing corresponding prompting. The invention also discloses a parking management method. With the parking management system and method of the invention adopted, a problem that a user randomly parks his or her vehicle can be solved; standard parking can be realized; parking can be regulated; precise restrictions are realized; safety risks are lowered; and convenience can be brought to supervision and management.

The invention discloses a security and environment-friendly city disinfecting and sterilizing compaction dustbin. The security and environment-friendly city disinfecting and sterilizing compaction dustbin comprises a dustbin body, an inclined guide plate, a supporting column, a base plate, a water collecting box, an electric stretchable rod, a disinfectant tank and a pressing plate; guide wheels are arranged on the bottom face of the dustbin body, the inclined guide plate is arranged inside the bottom end of the dustbin body, the base plate is arranged above the inclined guide plate, the watercollecting box is arranged at the bottommost end of the inclined guide plate, and a garbage inlet curtain door is arranged on the side wall of the upper end of the dustbin body; and an infrared emitter and an infrared receiver are arranged on the inner wall of the dustbin body, a radio transmission device is arranged on the outer wall of the top end of the dustbin body, a microprocessor and a storage battery are arranged on the inner wall of the top end of the dustbin body, the disinfectant tank is installed on the inner wall of the top end of the dustbin body, the inner wall of the top end of the dustbin body is fixedly connected with one end of the electric stretchable rod, and the pressing plate is arranged at the other end of the electric stretchable rod. The security and environment-friendly city disinfecting and sterilizing compaction dustbin is simple in structure and convenient to use, harmful bacterium breeding is effectively reduced, the safe life environment of people is improved, meanwhile, the garbage is pushed to be compacted, the transportation cost is greatly reduced, and the appearance of a city is effectively improved.

The invention discloses an intelligent bicycle garage comprising a peripheral support, a rotating lifting device and a push-and-pull mechanism. The peripheral support is used for storing bicycles in astereoscopically-stacked manner. The rotating lifting device is located at the center axis in the peripheral support and used for conveying the bicycles to each bicycle storage stall in the peripheral support. The push-and-pull mechanism is located between the peripheral support and the rotating lifting device and is used for pushing the bicycles on the rotating lifting device into the bicycle storage stalls on the peripheral support and pulling the bicycles on the bicycle storage stall on the peripheral support into the rotating lifting device. The bicycle in a lifting frame is lifted by a rotating mechanism and a lifting mechanism to the closest bicycle storage stall on the peripheral support, then the bicycle is parked in the bicycle garbage through the push-and-pull mechanism, and thebicycle storage efficiency is high; then, an empty lifting frame falls to the entrance and exit position of the peripheral support under the action of the rotating mechanism and the lifting mechanism, the procedure is executed in cycles, and the bicycles are parked in the bicycle garage in the stereoscopically-stacked manner. The intelligent bicycle garage can reduce the occupied area of the bicycles and improve the space utilization rate.

The invention discloses an intelligent informatization stereoscopic environment-friendly rubbish station which comprises a stereoscopic frame, a two-layer storage automatic lifting system, a manipulator carrying system, a deodorizing sterilizing system, a rainwater collecting and firefighting system, a leachate collecting system and a control system, wherein a throwing port rubbish can storage position and a transferring rubbish can position are arranged in the middle of the stereoscopic frame; storage sets are arranged on left and right sides of the stereoscopic frame; a lifting mechanism is mounted in each storage set on each side; a rubbish station control system and a remote control system are in signal transmission with each other. According to the intelligent informatization stereoscopic environment-friendly rubbish station, the condition of storage content of the rubbish station is mastered in real time, the exchange of rubbish cans is automatically realized in the rubbish station and the use is convenient and hygienic.

The invention discloses a shared bicycle parking system and method. The system comprises: a shared bicycle parking sign provided with a UWB base station, in signal connection with a parking system server and used for monitoring shared bicycle information in real time; the parking system server in signal connection with a bicycle state server and used for receiving and storing the bicycle information and quantity in a parking area defined by the shared bicycle parking sign, and performing information interaction with the bicycle state server; and the bicycle state server in signal connection with an intelligent lock on a shared bicycle and used for verifying whether the shared bicycle parking sign has monitored that the shared bicycle is within the divided parking area range through the parking system server when locking information of the intelligent lock made by a user is received. The whole procedure is more simplified, the recognition speed is higher, the precise positioning of thebicycle parking can be realized, and the orderly parking of the bicycles can be realized according to the standard parking requirement to main good city appearance.

The invention belongs to the field of intelligent cities and intelligent traffic, and in particular to an electronic traffic yellow line system based on the lane guiding technology, simply referred asan electronic traffic yellow line system. The system integrates intelligent management of changeable lanes and automatic capturing of illegal line changing, and is applied to an intelligent traffic management scenario. The system herein can address problems of current systems, like scattered devices, high installation cost, complex engineering and single function. The main structure of the systemincludes an intelligent road guiding apparatus, a first sensor, a wireless communication module and an intelligent city big data center. The intelligent road guiding apparatus transmits illegal vehicle information that is captured to the wireless communication module in a wireless communication method. The wireless communication module transmits the illegal vehicle information to the intelligentcity big data center and saves and analyzes the illegal vehicle information. A plan is formulated and is feedbacked to the intelligent road guiding apparatus through the wireless communication modulefor further implementation. The system has the characteristics of reliable theories, higher road usage and passing rate, simple installation, higher construction efficiency, reduced engineering cost,excellent economic benefits and wide marketing potential.

The invention provides a target detection method for identifying urban exposed garbage. The method mainly comprises the following steps: S1, shooting exposed garbage pictures distributed in a city byadopting a mobile phone, and arranging the exposed garbage pictures as a source data set S; S2, marking positions and types of exposed garbage; S3, converting a source data set S into a data set CS ina COCO format in combination with the xml data; S4, normalizing the CS data set in a zero-mean manner, and recording the normalized CS data set as a data set ZCS; S5, on the data set ZCS, selecting apart of the data set as a test set tes_ZCS, selecting a part of data in the remaining part of the data set as a verification set val_ZCS, and taking the remaining part of the data set as a training set tra_ZCS; S6, training an exposed garbage recognition model; and S7, judging whether exposed garbage exists or not by adopting the exposed garbage recognition model. The exposed garbage is detectedand recognized in a target detection mode, so that the urban exposed garbage is automatically recognized and treated in time, garbage exposure in the public view is reduced, the urban appearance is effectively improved, and the urban appearance is further improved in an intelligent civilized city.

The invention relates to a solid household refuse pyrolysis and gasification power generation device. The solid household refuse pyrolysis and gasification power generation device is characterized by comprising a feeding tank (1), a magnetic separation conveying belt (2), a pulverizer (4), a spiral feeding machine (7), a gasifier (8), a cyclone removal device (21), a pressurizing induced draft fan (22), a water seal type dust removal explosion prevention device (23), a secondary decoking and cooling tower (24), a ternary decoking and cooling tower (25), a gas test fire head (26), a gas storage cabinet (31), a gas turbine generator (32) and a dust remover (33) which are serially connected with one another by pipes. The solid household refuse pyrolysis and gasification power generation device is high in universality of household refuse; requirements on household refuse composition on original refuse treatment are low; and complicated original refuse treatment procedures are reduced. The solid household refuse pyrolysis and gasification power generation device is simple to operate and use, stable in thermal efficient, high in gas yield and high in safety, and is harmless treatment complete equipment which can treat household refuse harmlessly, and further can carry out gasification by the household refuse secondarily.

The invention relates to the technical field of plant cultivation equipment, and particularly discloses a bottom water supply flowerpot, a bottom water supply planting system and a bottom water supply planting method. The bottom water supply flowerpot comprises a first body and a second body, wherein the first body is a cylinder of which the upper end is opened and the lower end is sealed; the second body comprises a funnel-shaped cylinder; an end part which encircles the whole large opening, and an extension part which extends upwards vertically, are arranged at the end part of the large opening of the funnel-shaped cylinder; the second body is inserted into the first body; an accommodation cavity is formed between the funnel-shaped cylinder of the second body and the side wall of the first body; planting growing water is contained inside the accommodation cavity, so that bottom water supply to plants can be achieved, and the growth speed of the plants can be increased. A waste plastic bottom can be cut into an upper part and a lower part, the upper end is inversely inserted into a cylinder of lower end, then a flowerpot can be made, and the purpose of recycling waste can be achieved. The planting system comprises a plurality of flowerpots and a main water inlet tube which is communicated with a water storage tank, so that uniform water supply to flowerpots of the whole planting system can be achieved, and the planting system is convenient to operate and use.

The invention discloses a shared bicycle parking area layout method based on a clustering algorithm. The method comprises the following steps: S1, acquiring historical position data of shared bicycles; S2, performing coordinate conversion on the position data of the shared bicycle; S3, initializing a DBSCAN algorithm clustering parameter and carrying out preliminary clustering; S4, adopting a k-means clustering algorithm to divide overlarge classes; S5, performing evaluation index calculation and clustering parameter traversal condition inspection; S6, proposing an optimal shared bicycle parking area position and capacity; and S7, judging the stability of the layout effect of the parking area. According to the method, the situation of unreasonable parking area planning of the shared bicycles can be effectively relieved, the parking areas are arranged in a more targeted mode, the standardized management level of the shared bicycles is improved to a certain extent, parking area planningis conducted by considering the factors such as position information of different time periods and the service radius of the shared bicycle parking areas. Parking requirements and walking distances ofusers in all time periods can be planned as a whole.

The invention discloses an integrated intelligent shared bicycle management system, which comprises an access garage and an intelligent bicycle management system. The access garage comprises an enclosed steel structure parking garage, including an entrance passage, a bicycle centralized parking area and an exit passage; The entrance passage is provided with an entrance gate and a bicycle lifting device, and the sidewall of the entrance t passage is provided with an entrance identification detection device. The exit passage is provided with an outlet gate and an outlet bicycle lowering device,and the sidewall of the outlet passage is provided with an outlet identification detection device. The centralized parking area of the bicycle is provided with a parking limit rail device and an automatic parking device, an entrance bicycle lifting device, and a transfer device between the outlet bicycle lowering device and the automatic parking device. The outer facade of the access garage is provided with a monitoring camera and an advertisement device, and the bicycle centralized parking area is provided with a killing eliminating device and a centralized control device. The outer wall of the exit passage is provided with an interoperating device for realizing interaction with a user. The invention realizes the centralized intelligent management of the shared bicycle.

The invention relates to a keyboard type explosion-proof system, which belongs to the technical field of comprehensive pipe gallery. The upper part is a keyboard-type explosion-proof roof, the lower part is a thin water layer, both sides are explosion-proof wall baffles, and the middle part is the gas tank in the comprehensive pipe gallery. The invention has the advantages of simple structure, good mechanical performance, convenient processing, and reasonable layout, and completes the mitigation and improvement of urban spider web phenomenon, and improves the safety of the gas tank by utilizing the characteristics of high water density, good fluidity, and large damping At the same time, the overall arrangement of urban public pipelines improves the appearance of the city, improves the utilization of underground space, and improves the efficiency of pipeline repair and maintenance.

The invention discloses a waste battery paid recycling device and control method. The device comprises a box, a face recognition system, an LED (light-emitting diode) touch screen, a battery recognition system, an automatic coin discharging machine and a battery storage barrel, wherein the box is a vertical frame box made of stainless steel, and the face recognition system is mounted at the uppermost end of a front panel of the box. The back of the LED touch screen is connected with an integrated CPU (central processing unit), and the LED touch screen can serve as a publicity or advertising position. The battery recognition system is of an embedded internal groove structure and arranged on the middle left side of the front panel of the box, a photographing recognition lens is arranged on an upper plate of an internal groove, and two movable doors with middles hinged downwards are arranged in a placement area of a lower plate of the internal groove. The battery storage barrel is of a circular barrel-shaped three-cavity rotating structure, is mounted on the lower portion of the box and sleeves a middle rotating shaft of a base. Faces can be recognized, waste batteries can be recognized and then stored in a classified manner, and coins are discharged in a paid manner after discount is calculated by a CPU system.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a sewer deodorization device. The sewer deodorization device is mounted on a sewer with the upper portion being provide with a manhole cover; a gas outlet is formed in the manhole; the sewer deodorization device comprises a shell used for being placed in the sewer, and an overlapping edge part which extends outwards along the periphery of the top of the shell to be fixedly connected with the manhole cover; the shell is internally provided with an inner cavity used for storing deodorization fillers,and the overlapping edge part extends towards the inner cavity to be provided with an exhaust pipeline communicating with a gas outlet; and the side portion of the shell is further provided with a first vent hole for communicating the sewer with the inner cavity, and the side portion of the exhaust pipeline is provided with a second vent hole communicating the inner cavity with the exhaust pipeline. According to the sewer deodorization device, flammable and explosive gas in stink diffused from the sewer can be effectively removed, thus the hidden danger of the city is eliminated, the concentration of the stink overflowing the bottom face from the sewer is significantly reduced, and the city appearance is improved.

The invention discloses an anti-sticking permeable pavement board brick and a preparation method thereof, and relates to the technical field of pavement boards. The pavement board brick comprises composite cement, montmorillonoid, vermiculite tailings, polishing brick waste, porous basalts, high-silicon iron tailings, mullite, coconut carbon fibers, polyacrylamide, barium hydroxide, plasticizers,early strength agents, water-retaining agents and coupling agents. The preparation method of the anti-sticking permeable pavement board brick includes the steps: ball-milling raw materials; stirring and mixing ball-milled raw materials; forming and drying the mixed raw materials and the like to prepare the anti-sticking permeable pavement board brick. A pavement board is simple and convenient to prepare, efficient in energy, environmentally friendly and excellent in comprehensive performance and can resist paste of glutinous substances such as chewing gum, the glutinous substances are conveniently cleaned, cleanliness and water permeability of the pavement board are improved, and road environments and city appearance are improved.

The invention relates to outdoor lighting equipment with climbing-preventing and mosquito-dispelling functions. The outdoor lighting equipment comprises a supporting column, a fixing plate and a lighting lamp, and further comprises an isolating mechanism and a mosquito dispelling mechanism; the isolating mechanism comprises an isolating assembly and a reciprocating assembly; the isolating assemblycomprises a driving unit and a rotating unit; the reciprocating assembly comprises a limiting frame and two reciprocating units; and the mosquito dispelling mechanism comprises a moving assembly anda spraying assembly. In the outdoor lighting equipment with the climbing-preventing and mosquito-dispelling functions, through the isolation mechanism, naughty children can be prevented from climbingthe supporting column, and thus potential safety hazards existing during climbing are reduced; the phenomenon that adlet is pasted to the supporting column can also be reduced effectively, thus the lighting equipment is clean and tidy, and the appearance of a city is improved; and through the mosquito dispelling mechanism, mosquitoes can be effectively dispelled, disturbance, brought by the mosquitoes, to people during resting and walking is reduced, and the practicability and function of the outdoor lighting equipment are greatly improved.

The invention provides a mechanical rotating structure, which comprises a casing, a rolling wheel assembly, a fixed wheel assembly and an elastic assembly, wherein the rolling wheel assembly comprises a rolling wheel, a straight shaft and a bearing, the fixed wheel assembly comprises a fixed wheel, a magnetic metal element and a positioning element, the elastic assembly comprises an elastic element and an electromagnet, at least two bulge elements are arranged on the rolling wheel along the circumferential direction, the bulge elements of the rolling wheel exceed the surface of the casing, the rolling wheel and the fixed wheel are coaxially arranged on the straight shaft, the rolling wheel and the fixed wheel are fixedly connected through the matching by unidirectional inclined teeth, the two sides of the fixed wheel are respectively provided with convex rods, the positioning element is provided with chutes matched with the convex rods, the magnetic metal element is fixedly arranged on the fixed wheel, the elastic element is connected between the fixed wheel and the casing, the electromagnet is arranged at one side, near the elastic element, of the metal element, and in addition, a gap is formed between the electromagnet and the metal element. The mechanical rotating structure has the advantages that the structure is simple and ingenious, the size is small, the mechanical rotating structure can be better popularized and used, in addition, the safety performance is enhanced, and good application prospects are realized in the field of municipal engineering design.

The invention discloses a vehicle tail gas monitoring method for a global road network, which realizes omnibearing acquisition and monitoring of vehicle tail gas emission by utilizing a vehicle-mounted terminal and a vehicle-mounted voice function, identifies information of a tail gas standard-exceeding vehicle by utilizing an image identification algorithm and related audio information, and finally delivers the information of the standard-exceeding vehicle to a related department for processing. According to the method, tens of thousands of mobile cameras and supervisors are injected into road vehicle tail gas emission supervision in combination with the vehicle-mounted terminal, so that the monitoring blind area of an electronic police is made up, and all-around supervision is realized.The atmospheric pollution can be effectively reduced, and the city appearance is greatly improved.

The invention relates to convenient outdoor illumination equipment based on an internet of things. The equipment comprises a base, a main body, an overturning mechanism and two removing mechanisms; the removing mechanisms comprise lifting modules and two removing modules; the removing modules comprise movable frames, second motors, half gears, connecting rods, cleaning brushes and two racks; and the overturning mechanism comprises a driving module, a top plate, a base plate, two turning plates and two driven modules. The convenient outdoor illumination equipment based on the internet of thingsprovides a temporary rain shading place to pedestrians through the overturning mechanism to improve convenience of the outdoor illumination equipment; compared with a traditional overturning mechanism, the overturning mechanism is more stable in operation; such impurities as advertisement papers on main bodies are removed through the removing mechanisms, so that the city appearance is improved, and the practicability of the outdoor illumination equipment is improved; and compared with a traditional removing mechanism, the removing mechanisms are more stable in operation, so that the outdoor illumination equipment achieves higher market competitiveness.

The invention discloses a concrete material for pavement slabs and a preparation method thereof and relates to the technical field of pavement slabs. The concrete material is made from composite cement, clay-grade mica, high-silicon iron tailings, carbide slag, porous zirconia ceramic, rectorite, quartz sandstone, chrysotile fiber, sodium polyacrylate, barium chloride, a swelling agent, an early strength agent, a water-holding agent, and a dispersant. The preparation method herein includes: performing ball milling on raw materials, and stirring and mixing. The concrete material herein is convenient and simple to prepare, is green, has good comprehensive properties, can resist adhesion of adhesive matters, such as chewing gum, is convenient to clean, and provides improved cleanliness and water perviousness for pavement slabs, as well as road environment and city appearance.

The invention discloses a magnetic type shared bicycle storing and taking device which comprises a shell, a bicycle guiding device, a bicycle bearing device and a bicycle lifting device, the bicycle guiding device, the bicycle bearing device and the bicycle lifting device are installed in the shell, square through holes are formed in the two sides of the shell, lifting door devices matched with the square through holes are arranged on the shell corresponding to the square through holes, and the bicycle guiding device is arranged on the bottom side of the shell. Two square through holes are formed in the bicycle guide device and located between the two square through holes, a wheel clamping mechanism is arranged on the bicycle guide device, the bicycle lifting guide rail is arranged on one side of the bicycle guide device, the bicycle bearing device is installed on the bicycle lifting guide rail, the bicycle bearing device is matched with the bicycle guide device, automatic storing and taking can be achieved, and operation is easy; the bicycles are uniformly stored in the shell, so that the situation that the bicycles are parked disorderly can be avoided, and the city appearance is greatly improved; the shared bicycles are uniformly stored in the shell, so that the service life of the shared bicycles is greatly prolonged; and multi-layer stacking storage can be carried out, so that the space utilization rate is greatly improved.

The invention relates to sorting refuse disposal system and its method. The system comprises distributing device, feeding belt conveyer equipped at outlet of distributing device, sorting device under the outlet of feeding conveyor, two outlets on sorting device, regrading device under the outlet of organic matter, organic matter discharging belt device equipped at discharging side, garbage container under the discharging side, and discharging belt device under the inorganic matter outlet. The invention comprises the following steps: anti-odor treatment, sending garbage to sorting device to complete selective breaking sorting; organic refuse biological treatment or composting process. The invention is adapted to various garbages and sorting garbage at its source.

The invention discloses a waterproof anti-cracking fully-recycled aggregate foamed block based on a macro-micro double-pore structure and a preparation method thereof. The waterproof anti-cracking fully-recycled aggregate foamed block comprises the following components in percentage by mass: 0.01-0.04% of polyvinyl alcohol fibers, 50%-60% of fully-recycled aggregate, 0.1%-0.5% of a water reducingagent, 15%-20% of Portland cement;, 2%-4% of fly ash, 0.1%-0.4% of a foaming agent and 0.01%-0.04% of an air entraining agent, with the balance being water. The preparation method comprises the following steps: uniformly mixing the above components except the recycled aggregate in proportion under stirring, and performing sufficient foaming for 2-3 minutes; adding the graded and adjusted full-recycled aggregate into the formed mixed solution, and carrying out stirring until the materials are uniformly mixed; and pouring the obtained material into a mold, and carrying out maintaining under natural conditions. According to the invention, the full-recycled aggregate is adopted; and based on the foaming characteristic that the foaming agent and the air entraining agent respectively contributeto macropores and micropores and by cooperatively using the crack resistance advantage of the polyvinyl alcohol fibers, the technical performance of fully-recycled foamed mortar is comprehensively improved, so the fully-recycled aggregate foamed block has a low shrinkage value, high crack resistance and high water resistance, and the resource utilization process of building solid wastes is promoted.

The invention relates to the field of urban maintenance, in particular to an urban road maintenance device. The technical problem of the invention is to provide an urban road maintenance device. According to the technical scheme, the urban road maintenance device comprises an outer frame, a first universal wheel, a second universal wheel, a handrail, a control screen, a joint cleaning and collecting mechanism, a branch supporting mechanism, a hooking and picking mechanism, a first supporting frame, a first electric push rod and a first collecting frame. One side of the lower part of the outerframe is connected with the first universal wheel; and the other side of the lower part of the outer frame is connected with the second universal wheel. The ground is convenient to clean, small sundries such as cigarette butts and prods which are inconvenient to clean are selectively cleaned, the urban environment is improved while rapid cleaning is achieved, the operation is convenient and fast,and a large amount of manual operation does not need to be wasted; and the city appearance is greatly improved.