45 results about "Urban district" patented technology

The invention discloses a hot dip galvanizing technique for implementing corrosion resistance and rust resistance of a steel tube. The technical scheme is as follows: the hot dip galvanizing technique comprises the following steps: steel tube pretreatment, acid washing, water washing, assisted plating, drying, galvanizing, internal and external blowing, passivation, inspection and packaging. The technique has the following advantages: 1. low treatment cost: the rust resistance cost by hot dip galvanizing is lower than that of other paint coatings; 2. high durability: in a suburb environment, the standard hot galvanizing rust-resistant coating can keep effective for more than 50 years without repair; in urban districts or offshore areas, the standard hot-galvanizing rust-resistant coating can keep effective for more than 20 years without repair; 3. high reliability: the galvanizing coating is metallurgically bonded with the steel to become part of the steel surface, and therefore, the durability of the coating is reliable; and 4. high coating toughness: the galvanizing coating forms a special metallurgical structure capable of bearing mechanical damage in the transportation and use process.

The invention provides a method for automatically selling rolled invoices. In the method, the procedures of selling invoices, delivering invoices and paying in the invoice-selling flow of a revenue office are automatically simulated, taxpayers are automatically checked, purchasing information in user cards are automatically written and money is automatically transferred or payment notices are printed automatically through a computer software technology and self-service hardware equipment so as to realize one-click automatic invoice-selling. The method can be used in equipment with self-service tax terminals. The method for selling rolled invoices not only can relieve lobby stress, but also can save taxpayer time by selling rolled invoices around the clock. The method is already applied to Wave self-service tax equipment, trially implemented in various urban districts in Shanghai and gets good responses.

The present invention provides a searching method of GSM-R interference source, belonging to the technical field of digital mobile communication special for tdma, since the interference source of GSM-R mainly includes frequencies of uplink 885-889MHz and downlink 930-934MHz used for China mobile, aiming at the characteristics, an Okumura-hata model structure mathematical model widely used for radio wave propagation is used to process search of the interference source. The invention has advantages of simple operation, convenient operation, quick location to the interference source, overcoming the fault of slow search speed of present interference source search; fit for multiple topographic conditions, searching the interference sources of six topographic conditions such as urban districts of small and medium-sized cities, outskirts of small and medium-sized cities, opening environment of small and medium-sized cities, urban districts of big cities, outskirts of big cities and opening environment of big cities.

The invention relates to a vibration-damping and noise-reducing jacket for a railway steel rail, belonging to the field of vibration-damping and noise-reducing technology in rail traffic. The vibration-damping and noise-reducing jacket is characterized by comprising a band groove expanding layer, an inverted T-shaped restricting layer and a damping layer, wherein the band groove expanding layer is symmetrically coated on the steel rail bottom and the rail waist along the central line of the steel rail; the inverted T-shaped restricting layer is arranged outside the band groove expanding layer; and the damping layer is bonded between the band groove expanding layer and the restricting layer. The vibration-damping and noise-reducing jacket has the advantages of inhibiting wheel rail vibration and noise radiation from sound source and obviously reducing vibration and noise. The vibration-damping and noise-reducing jacket is simple to manufacture and convenient for field assembly and disassembly without influencing the primary function of steel rail, and is suitable for the areas with requirements on noise of railway, subway and urban light rail in urban district.

The invention relates to a method for forming a compact and smooth city. By reconstructing an urban space structure system, the internal driving force for spreading an urban district which is formed by three environmental deterioration factors of traffic congestion of persons and vehicles, insufficient parking spaces and disordered persons and vehicles at outdoor spaces is eliminated, and the internal driving force for compacting the urban district is generated, so that the internal dynamic mechanism of a city is changed from the current 'crowded-spreading-more crowded' mode into a 'smooth-compact-smoother' mode; therefore, a compact, smooth and livable city is formed. The urban space structure system is reconstructed by adopting a space structure system in which the persons and the vehicles are fully separated, wherein the space structure system consists of ground level roads which are used for the vehicles only, large-area ground parking garages, large-area overhead platforms which are used for human activities only and are arranged above the ground level roads and the ground parking garages, and the like.

The invention discloses a high-altitude air pumping system. The high-altitude air pumping system is mainly formed by an air balloon, a high-altitude air pumping machine, an air feeding pipeline, a ground pressurizing fan, a high-strength cable, a pulley base, a winch, a power supply and a controller. In places around a city which is in haze and an urban district, by reasonably allocating the high-altitude pumping systems in a certain number, a large amount of relatively clear high-altitude air can be pumped from a certain altitude to the ground, and thus the concentration of pollutants in surrounding ground air can be diluted; meanwhile, because of the increment of the total capacity of local ground air and the difference between the pressure and the temperature of mixed air and those of the surrounding air, the transverse moving or ascending of local air can be inevitably caused; under an ideal situation, the affect of a thermal inversion layer can be locally weakened, and thus the haze over the city can be dispersed; in the midsummer, for a city suffering from a heat island effect, a large amount of high-altitude air with lower temperature can be pumped to the ground, thus the local ground air temperature can be reduced, and the city air quality can be improved.

A light quantity control apparatus, which controls light quantity of a light of a vehicle, includes a traffic-jam-information obtaining unit obtaining traffic-jam-information including information on positions and on presence / absence of a traffic jam, a vehicle-position obtaining unit obtaining a position of a vehicle, a traffic-jam identifying unit identifying whether the vehicle is in a traffic jam based on the traffic-jam-information and the position of the vehicle, a traffic-jam-time light quantity control unit decreasing the light quantity compared with a normal time if the vehicle is in a traffic jam, an urban-district obtaining unit obtaining information on whether or not the vehicle is in an urban district or near an intersection, and an urban-district-traveling-time light quantity control unit decreasing the light quantity compared with a case where the vehicle is in an area other than urban districts and intersections if the vehicle is in the urban district or near an intersection.

The invention discloses a city-level overall traffic signal control method and a city-level overall traffic signal control device. The method comprises the following steps of classifying the urban districts according to an urban area district rule, an urban line district rule and a traffic flow change rule in a preset time period which are determined according to multi-source urban traffic data toanalyze the overall urban traffic in the spatial dimension; obtaining a city district division set; carrying out time dimension adjustment on the urban district division set; obtaining a dynamic citydistrict division set; extracting the traffic features of each district in the dynamic urban district division set; determining a control strategy corresponding to the traffic characteristics from acontrol strategy library, according to the control strategy, carrying out traffic signal control on the corresponding districts, and optimizing the signal control scheme of the districts by taking thedistricts as basic units, so that urban district division is more accurate, the urban districts do not need to be divided manually, and the overall traffic signal control capability of the city is improved.

The invention discloses a centralized heat supply system and method. The centralized heat supply system comprises one or more heat source heat-exchange systems, one or more absorption heat-exchange systems and one or more compression heat-exchange systems. The centralized heat supply method comprises the steps of heat exchange between a heat source heat-supply medium and primary network water, circulation of the primary network water, heat exchange between the primary network water and secondary network water, circulation of the secondary network water, heat exchange between the secondary network water and tertiary network water, water supply and return of a tertiary network and the like. According to the centralized heat supply system and method, compared with an existing large-temperature-difference centralized heat supply mode, the heat supply capacity of a secondary network water supply pipelines is kept under the precise of not increasing the supplied water temperature and pressure of an old heat supply pipe network in an urban district and not affecting the heat delivery capacity of the heat supply network in the urban district, and thus the transformation cost of the existing pipeline network is saved.

The invention relates to a construction method for an assembly type prefabricated comprehensive pipe gallery and belongs to the field of construction of assembly type prefabricated comprehensive pipe galleries. The construction method comprises the steps that pipe gallery locating paying off is conducted; hoisting equipment is placed in place; a first segment of pipe gallery bottom plate is installed; the hoisting equipment is placed on the installed bottom plate, and the next segment of pipe gallery bottom plate is installed; prefabricated pipe gallery component conveying equipment travels on the installed pipe gallery bottom plates and conveys needed components back and forth; according to the above steps, pipe gallery bottom plate prefabricated components of a construction section are all installed sequentially and circularly; and installation is started backwards from a segment of pipe gallery bottom plate finally installed in the construction section, side plates and top plate prefabricated components are installed sequentially until all pipe gallery components of the construction section are installed. According to the construction method, the installed pipe gallery bottom plates are adopted as a temporary conveying hoisting passage, and a temporary road does not need to be built, so that the construction period is short, the comprehensive cost is low, and the construction method is particularly suitable for construction sites without conditions for building temporary roads in urban districts.

The invention discloses a mixed electric automobile. Both a battery jar and a transmission line power supply driving special connecting device are arranged on the electric automobile. The special connecting device can be connected with an electric automobile power supply line on a road through a special loose joint bar frame. The electric automobile can be power-supplied by the battery jar and a transmission line and is power-supplied by the battery jar when running on a common road. The electric vehicle can be driven in urban districts, is supplied by the transmission line when running on a railway and can be driven between cities. The mixed electric automobile has the advantages of cleanness, environmental protection and rapid, stable and safe driving on the railway.

The invention relates to an automatic anti-honking control device used for automobiles entering a honking-forbidden zone, focusing on the conditions that even though the notice 'honking is forbidden when driving into an urban district' is always announced by traffic department at some main crossings towards downtowns, many drivers still honk for a long time to cause the excessive noise and to lead workers, teachers and students cannot help feeling wearisome and then the work and study efficiencies fall heavily; the traffic warden and patrolman try their best to arrest drivers who offend the regulations but with low effect. The anti-honking control device of the invention used for automobiles entering a honking-forbidden zone is just adopted to solve the problem that the automobiles honk wildly to cause the excessive noise which has heavy impact on work and study environment.

The invention relates to an atmospheric air purifying device additionally-mounted on a motor vehicle and a system of the atmospheric air purifying device. The atmospheric air purifying device is mounted on the motor vehicle, and when a plurality of motor vehicles provided with the atmospheric air purifying devices move in a city, a large amount of air can be purified to reduce the fog and haze concentration. The atmospheric air purifying device uses a vehicle-mounted green power supply, and green and clean electric power is wholly used. The air volume treated through an air inlet with the height being 300 mm and the width being 2250 mm of the atmospheric air purifying device is about 10000 cubic meters per hour under the bus speed of 15 km per hour, and the purifying efficiency can reach up to 95%-99%. If the atmospheric air purifying devices are mounted on 21,000 buses in Beijing, 200 million cubic meters of air can be purified per hour, and 2 billion cubic meters of air can be purified every day, and that is equivalent to air below two meters within the 1000 square kilometers of area of the Beijing urban district being purified once. The air quality on both sides of highways canbe improved to some extent.

The invention discloses a small vertical axis type wind power generation mechanism. The wind power generation mechanism comprises a supporting frame system, a power generation system and an impeller rotation system. The power generation system is located above the supporting frame system. The impeller rotation system is located above the power generation system. The benefits of rapidness and costconservation can be achieved, manufacture is easy or mass production is easy to achieve, and the wind power generation mechanism is not influenced by the orographic wind problem, is suitable for beingarranged on high-rises and urban districts to be used and can be applied to diversified purposes such as urban district illumination and facility auxiliary power supplies.

The invention relates to a method for detecting seismic data of controllable seismic sources on the basis of multistage threshold median filtering. The method includes defining strong-impulse noise thresholds according to mathematical and statistical characteristics of original uncorrelated seismic data of the controllable seismic sources; carrying out multistage median filtering on the original uncorrelated seismic data of the controllable seismic sources in imported multistage median filtering processing procedures to effectively suppress impulse noise, and ultimately effectively detecting the seismic data of the controllable seismic sources by the aid of mutual correlation detection processes on the basis of the suppressed impulse noise. The method has the advantages that the high-signal-to-noise-ratio method for detecting the data is provided for seismic prospecting on the controllable seismic sources near urban districts without increasing the construction costs, and obvious suppression effects can be realized for various types of human noise and random noise; the method not only is applicable to monitoring the seismic data of the conventional controllable seismic sources, but also is particularly effective for the seismic data of the controllable seismic sources under the condition of severe impulse noise interference; the method further can be applied to seismic prospecting conditions with loud background noise, which includes various types of traffic noise and electric noise, near the urban districts.

The invention provides a method for the 10 kV main and auxiliary line ring grid layout in small-medium urban districts in a plain area. A structure that main and auxiliary trunk lines and outdoor ring main units are combined is adopted, and main trunk lines erected by overhead insulated conductors are adopted for connection between an outgoing line of one transformer substation and an outgoing line of the other transformer substation; meanwhile the outdoor ring main units are arranged along a crossroad, lines enter from the main trunk lines, and four lines go out and are connected to branch lines in the four directions; longitudinal lines are erected in a main and auxiliary double-circuit same-pole mode, transverse lines are erected in an auxiliary trunk line one-circuit mode, and the transverse lines are connected with auxiliary lines of the other circuit through column switches; users and other equipment are connected with the auxiliary lines, and the main trunk lines are not connected with any user. By the adoption of the design method, the advantages of cable lines and a hand-in-hand ring network structure are integrated, new materials and new equipment such as the overhead insulated wires and the outdoor ring main units are fully utilized, the structure of a power distribution network is further optimized, and the power supply reliability of a small-medium urban network can be further improved.

The invention provides a floating net type building group characterized by city and countryside integration. The floating net type building group comprises a large urban district, medium urban districts, small urban districts, basic level urban districts, urban function zones and rural function zones and also comprises a plurality of water channels in rivers, lakes, seas, canals and ditches and floating bridges floating in the water channels. Each floating bridge at least comprises a longitudinal channel provided with a footway, an electric wheel drive transportation lane and a vacuum magnetic levitation transportation tunnel, and also comprises various public service pipelines for water supply, water drainage, power supply, gas and communication. The floating net type building group is characterized in that the large urban district, the medium urban districts, the small urban districts and part of the basic level urban districts are disposed on the floating bridges in a layered manner; the floating bridges are laid in the rivers, ditches, lakes and seas in a manner of intersecting vertically and horizontally like net lines. The urban and rural building group is distributed along traffic routes continuously as a narrow band; the traffic routes and the pipelines for water supply, water drainage, gas, power supply and communication are arranged in parallel, so that the construction and repair cost is reduced. The city and countryside integration building group structure mode is high in investment efficiency.

The invention provides a method for constructing a building type flood bank and reclaiming and utilizing a river bottomland. According to the method, a row of closely connected buildings with a flood blocking function are constructed as the building type flood bank on a stream segment with bottomland developed and cultivated land and villages on the bottomland and close to the drainage line of the river on the basis of whole line dredging of a lower course of the river. After the flood bank is constructed, the bottomland is reclaimed into permanent safe high-standard farmland or a new urban district and high-tech industry park with high land additional value. Compared with the traditional rockfill dam, the building type flood bank has the advantages of a high flood resisting safety factor and a high investment return rate. The functions of navigationon the riverway, irrigation and power generation through river water are realized, the distance between the dams on the two banks is shortened and the cost of constructing the river-crossing bridge is reduced to 5-20% of the original cost. The new type urbanization and the river pollution prevention are realized in the flood plain. The original dirty, disorderly and bad bottomland environment is turned into a brand new beautiful place.

The invention relates to a new energy vehicle charging distribution method, which is used for the emergency charging and mobile power supply of a core of an urban district, and solves the problems ofpower shortage in the use process of an electric car. The new energy vehicle charging distribution method comprises a control room, a mobile charging distribution station, a mobile charging distribution vehicle and an electric vehicle, the mobile charging distribution vehicle adopts a hydrogen fuel cell as a power source and a charging source. In order to solve the technical problems, the mobile charging distribution vehicle is equipped with a processor, a wireless communication module, a fuel bottle, a positioning module, a hydrogen fuel cell, a DC / AC converter, a charger and a display device, wherein an output end of the fuel bottle is connected with the hydrogen fuel cell, an output end of the hydrogen fuel cell is connected with the DC / AC converter, an output end of the DC / AC converteris connected with the charger, the wireless communication module, the fuel bottle, the positioning module, the DC / AC converter, the charger and the display device are connected with the processor, the wireless communication module is wirelessly connected with the control room, the mobile charging distribution vehicle is communicated with the control room by virtue of the wireless communication module, and the wireless communication module is a 4G module.

The invention relates to a new urban district initial rainwater flow dividing device and arrangement thereof, and belongs to the field of urban water conservancy facilities. The device comprises a draining groove, rainwater grate holes, a sewage collection box, a rainwater pipe and a water passing sill. According to the arrangement, a main arterial traffic in new urban district oval planning serves as an area boundary to be subjected to space division, a rainwater area with the planed arterial traffic as the boundary is obtained, and the rainwater flow dividing device is arranged in the rainwater area. The device has the following beneficial effects that the rainwater in the new urban district at different time periods is classified and drained into an urban rain sewage pipe network, and the river flow pollution is reduced. A mechanical device is completely adopted, a sensor and a controller are not needed, cost is low, reliability is high, and the device is suitable for being widely used.

The invention discloses an explosion-proof wall manufactured through foamed aluminum of a sandwich structure. According to the technical scheme, the explosion-proof wall is characterized in that a foamed aluminum slab of the sandwich structure and having specific characteristics is used for manufacturing the explosion-proof wall, and flame-retardant, and explosion-proof and energy-absorbing characteristics of foamed aluminum materials are used for safety protection of factories or urban districts or equipment. Injury to staff can be effectively prevented when a fire, an explosion and other accidents happen to the equipment, and the explosion-proof wall has the good functions of sound insulation, thermal insulation and electromagnetic shielding.

The invention relates to a novel street lamp pole which comprises a pole, a lamp panel, a lamp, a water spray nozzle, a chemical spray nozzle, an electric wire, a pipeline, a sound playing device and a rainwater shielding device. The water spray nozzle and the chemical spray nozzle are positioned on the lower portion of the pole, and the water spray nozzle can spray water to flowers and trees on two sides of a road and further can spray water to a road surface so as to clean the road surface. The novel street lamp pole further can be used for extinguishment if fire breaks out in a building near the novel street lamp pole. In addition, chemicals such as disinfectants can be sprayed to an area around the novel street lamp pole for sterilization by the chemical spray nozzle, and accordingly epidemics or influenza can be effectively controlled. Besides, hazards caused by sand storm can be effectively reduced by the aid of the novel street lamp pole. The novel street lamp pole has the advantages that street lamp poles can be spread from corner to corner in an urban area or urban district, accordingly, the novel street lamp pole is extremely high in practicality and is simple in structure, convenient to operate and easy to popularize, and a local management department can be responsible for water spraying and chemical spraying.

The invention discloses a method of solving urban congestion. The method comprises the following three steps: I, planning roads in an urban district and classification traffic by grade, II, adjustingand changing the existing bus operation mode, and III, developing public urban parking real estate. The method can effectively solve the problems of the urban congestion, difficult urban parking, vehicle stealing and the like and has the significant advantages that the method facilitates a citizen trip, saves resources, and is green and environmentally friendly.

The invention provides a semi-mechanization roadbed ashlar short-distance transportation paving machine which can greatly reduce manual labor intensity and manpower cost and is high in transportationefficiency, economical and practical. The transportation paving machine can use a telescopic sleeving pipe and a fixed steel pipe to flexibly adjust the length of a moment arm,ashlar needing to be transported is sleeved by using two hoisting steel wire hoops, by using two-point hoisting and combining with the lever principle, a constructor can easily lift the ashlar, after the ashlar is transported in place, the ashlar is paved in place by using moving of a telescopic steel pipe and rolling of wheels. By means of the semi-mechanization roadbed ashlar short-distance transportation paving machine, manual physical output and high risk are avoided, and the efficiency of transportation and installation is improved; the transportation paving machine comprises the fixed steel pipe, the telescopicsleeving pipe, a supporting steel pipe, a triangular connecting steel pipe, a connecting bearing steel pipe, the rubber inflating wheels, a connecting cable rope, the hoisting steel hoops, a fixed sleeving ring, a clamping lock and a buckle ring; and the transportation paving machine is widely applied to municipal road construction and especially suitable for municipal road ashlar construction inmountainous areas and narrow road ashlar construction in urban districts.

A light quantity control apparatus, which controls light quantity of a light of a vehicle, includes a traffic-jam-information obtaining unit obtaining traffic-jam-information including information on positions and on presence / absence of a traffic jam, a vehicle-position obtaining unit obtaining a position of a vehicle, a traffic-jam identifying unit identifying whether the vehicle is in a traffic jam based on the traffic-jam-information and the position of the vehicle, a traffic-jam-time light quantity control unit decreasing the light quantity compared with a normal time if the vehicle is in a traffic jam, an urban-district obtaining unit obtaining information on whether or not the vehicle is in an urban district or near an intersection, and an urban-district-traveling-time light quantity control unit decreasing the light quantity compared with a case where the vehicle is in an area other than urban districts and intersections if the vehicle is in the urban district or near an intersection.

The invention discloses a combined electric bicycle as a common vehicle which is portable and stable on performance, simple on structure, suitable for both rural and urban districts and easy for operation. The conception of the electric bicycle takes the integrity into account and the design of the bicycle takes the wheel diameter and human body as standards and the vehicle type can be classified as: type-A direction bicycle; type-B push-bicycle; type-C soft-seat bicycle; type-D relaxing bicycle and type-E luggage bicycle. All the types of bicycle adopt the frame structure and two wheels are fixed inside in a parallel manner; the connecting part on both the front and back parts of the bicycle are unified and provided with the multi-direction turning function so as to lead each wheel to be connected with grounded connectors to form integrated four-wheel or multi-wheel vehicles. All the types of vehicle can be quickly assembled and disassembled and the intermediate-type and mini-type vehicles can be carried into elevators or rooms so as to bring convenience for charging and storage. Moreover, all the types of vehicle can be provided with components of parallel rotary rods and the like and then the parallel wheels can turn synchronously when the pedal or power is adopted, thus being suitable for the travelling by riding bicycle on the common roads and meeting the environment protection requirement. The main parts of the electric bicycle adopt the standard bicycle parts and standard steel pipes and the electric bicycle can be manufactured by the existing bicycle manufacturers.

The invention provides a building map construction method oriented to catastrophe insurance, which fully considers the demand of earthquake catastrophe insurance, and comprehensively and systematically classifies the buildings of our country from the viewpoint of structure and function. Geographic information system (GIS) technology, Web crawler technology and big data mining technology are utilized in combination with the specific house distribution and attribute data of the target city (or region), a building classification system with regional characteristics is coupled, and the building information query and analysis platform of typical urban districts of important cities in China is formed, and the regional map which can reflect the building classification and distribution of a specific region is completed. This method classifies and counts the buildings in local area and builds a map, obtains the real house attribute information of city or region through multi-source data and presents it, which can provide effective reference for the following disaster research, architectural design and insurance rule making and so on.

The invention relates to a hand-lifting type fire-fighting monitor. In old urban districts of some cities, because a road is relatively narrow, large fire-fighting equipment is difficult to enter a fire scene at the first time, and at this time, a small fire-fighting monitor with high maneuverability and good extinguishing ability is always needed. According to the hand-lifting type fire-fightingmonitor, water inlet connectors are fixedly arranged on the outer walls of the periphery of a water collecting tank, the bottom of one end of a water outlet pipe is fixedly connected and communicateswith the top of the water collecting tank, one end of a horizontal transmission shaft is fixed to the outer wall of one side of the water outlet pipe through a horizontal transmission shaft fixing key, and a water outlet spraying opening is fixedly formed in one end of the water outlet pipe. The hand-lifting type fire-fighting monitor has the advantages that the device is reasonably provided witha horizontal transmission structure and a pitching transmission structure, so that the fire-fighting monitor is compact in structure, small in size and convenient to transport, load and unload, and meanwhile is low in machining cost and convenient to operate and maintain, and the maneuverability and practicability of the fire-fighting monitor are improved.

The invention discloses a transmission type public traffic system, and provides a facility assistant for continuously transporting passengers aiming at the shortcomings of urban public transportation facilities. The transmission type public traffic system comprises a ground trough, a motor, a conveyor belt, a driven wheel, a handrail and a station, wherein the station adopts two-grade stepping type transmission equipment so as to the enable passengers to get on or off without 'stopping a bus'. The transmission type public traffic system has the beneficial effects that the passengers can be sped up to be transported, so that the traffic congestion can be reduced, a conventional phenomenon that the buses are driven in crowded regions in an urban district can be effectively relieved, and the environment can be greatly protected.

The invention relates to a vibration-damping and noise-reducing jacket for a railway steel rail, belonging to the field of vibration-damping and noise-reducing technology in rail traffic. The vibration-damping and noise-reducing jacket is characterized by comprising a band groove expanding layer, an inverted T-shaped restricting layer and a damping layer, wherein the band groove expanding layer is symmetrically coated on the steel rail bottom and the rail waist along the central line of the steel rail; the inverted T-shaped restricting layer is arranged outside the band groove expanding layer; and the damping layer is bonded between the band groove expanding layer and the restricting layer. The vibration-damping and noise-reducing jacket has the advantages of inhibiting wheel rail vibration and noise radiation from sound source and obviously reducing vibration and noise. The vibration-damping and noise-reducing jacket is simple to manufacture and convenient for field assembly and disassembly without influencing the primary function of steel rail, and is suitable for the areas with requirements on noise of railway, subway and urban light rail in urban district.