32results about How to "Improve road quality" patented technology

The invention discloses a road roadbed material containing municipal sludge residues. The road roadbed material comprises gel materials and auxiliary materials, wherein the gel materials comprise, inpercent by mass, 75-100% of the municipal sludge residues and 0-25% of cement, and the auxiliary materials comprise 0-30% of sand, 8-20% of lime and 25-50% of water based on the mass percentages of the components of the auxiliary materials in the total mass of the gel materials. The municipal sludge residues are prepared through the step of performing pyrolysis on pretreated municipal sludge in anitrogen atmosphere at 300-900 DEG C so that the municipal sludge residues are obtained. The prepared roadbed material can be applied to road construction, the road quality is improved, and meanwhilethe budget of road construction is reduced; and furthermore, a new way is provided for resource recycled utilization of an increasing amount of municipal sludge, so that waste recycled utilization isachieved, and the living environment is protected.

The invention discloses a joint cutting and filling integrated machine for road building. The joint cutting and filling integrated machine comprises a cutting blade, a water tank, a bearing base plate and a mixing burdening tank. Four corners at the bottom end of the bearing base plate are each provided with a roller, the water tank is installed at one end of the top of the bearing base plate, and the mixing burdening tank is installed at the other end of the top of the bearing base plate; a pressurization device is installed between the mixing burdening tank and the water tank, a connecting frame is installed on the bearing base plate of the side, away from the pressurization device, of the water tank, and a fixing block is installed at the top end of the side, away from the water tank, of the connecting frame; and a booster pump is installed on the bearing base plate of the side, away from the pressurization device, of the mixing burdening tank, and a jetting gun is installed on the side, away from the mixing burdening tank, of the booster pump. The joint cutting and filling integrated machine for road building can achieve the road joint cutting and filling integrated automatic operating function and has the advantages that joint cutting and filling do not need labor, joint cutting precision is high, joint cutting quality is high, road quality is good, and working efficiency is high.

The invention discloses a roadbed drainage structure for a municipal administration road. The roadbed drainage structure comprises a high-elevation road segment and a low-elevation road segment. A intercepting drain is formed in the position of a slope toe of the high-elevation road segment, and a seepage-proof composite geomembrane is laid at the bottom of the intercepting drain; a layer of gravel is laid at the position, close to the high-elevation side, of the bottom of the intercepting drain; a baffle is arranged at the position, 30 cm away from the inner wall of the high-elevation side, in the intercepting drain; and a water suction pipe is further arranged in the intercepting drain. The invention further provides a construction method of the roadbed drainage structure. By the adoption of the roadbed drainage structure and the construction method of the roadbed drainage structure, a roadbed perched water problem is solved, meanwhile, the normal procedure of roadbed compaction is not affected, and it is guaranteed that the construction schedule is not affected.

The invention discloses a novel composite polyester felt, the main components of the novel composite polyester felt comprise alkali-free glass fibers, polyester fibers and mixed fibers of other auxiliary fibers; the alkali-free glass fibers are 11-14 mum in diameter and 15-20 mm in length; the diameter of the polyester fibers is 4-8 mum; the auxiliary fibers accounts for 5 % of the mixed fibers; during the production of the polyester felt, the final forming of the polyester felt is realized by using an adhesive; the adhesive comprises the following parameters: 30-40 % of acrylic acid series, 20-35 % of unsaturated resin, 20-40 % of vinyl acetate series and 0.3-0.6 % of coupling agent. The novel composite polyester felt has performances such as stiffness and has good fracture-resistant and tear-resistant strengths. The novel composite polyester felt is mainly applied to projects such as thin asphalt concrete overlays of asphalt pavements and repairing and repair construction of steel bridges paved with asphalt surface layers and road stones. The quality of pavements can be improved, the service life of roads can be prolonged, the tracks and the uneven pavement, resulting from pavement canalization and strong pressure can be prevented.

The invention discloses a high-viscosity modified asphalt-adopted white and black pavement structure. The structure comprises an original cement concrete pavement, a high-viscosity modified emulsifiedasphalt adhesion layer and a modified asphalt thin overlay layer; the upper surface of the original cement concrete pavement undergoes disease treatment and milling / planing treatment; the high-viscosity modified emulsified asphalt adhesion layer is paved on the upper surface, undergoing the disease treatment and milling / planing treatment, of the original cement concrete asphalt; and the modifiedasphalt thin overlay layer is paved on the upper surface of the high-viscosity modified emulsified asphalt adhesion layer. Compared with the prior art, the structure has the beneficial effect of sufficiently utilizing the existing road edge stones and manhole covers without enhancing the elevations of the road edge stones and manhole covers, has the advantages of saving the raw materials, decreasing the working procedures, reducing the cost, improving the environment, improving the road quality, prolonging the road life and improving the driving comfort, and is capable of decreasing the bridgeload when using white and black asphalt concrete pavements on the bridge surfaces so as to prolong the service life of the bridge surface.

The invention discloses a coal gangue roadbed material. The coal gangue roadbed material is prepared from the following ingredients in parts by weight: 40 to 50 parts of coal gangue, 30 to 40 parts ofcoal gangue powder, 20 to 30 parts of sand, 10 to 20 parts of lime, 20 to 30 parts of Portland cement, 15 to 25 parts of asphalt and 35 to 45 parts of water. The invention further discloses a preparation method for the coal gangue roadbed material. The method comprises the following steps: (1) sorting the coal gangue so as to obtain the coal gangue with the grain size of 5mm to 15mm and the coalgangue powder with the grain size of 0.02mm to 0.5mm; (2) weighing the coal gangue and the coal gangue powder obtained in the step (1), adding the sand, the Portland cement and the water, carrying outmixing, and then, carrying out stirring for 20 to 30 minutes; (3) adding the lime, and then, carrying out stirring for 10 to 20 minutes; and (4) heating the temperature of the mixture to 50 DEG C to60 DEG C, adding the asphalt, and carrying out stirring for 20 to 30 minutes, thereby obtaining the coal gangue roadbed material. According to the roadbed material disclosed by the invention, the problem of pollution caused by the coal gangue is effectively solved, wastes are recycled, the method is easy and feasible, and the roadbed material is low in cost and good in pavement quality.

The invention discloses a foamed asphalt integrated foaming beam for foamed asphalt cold-recycling plant mixing equipment. The beam comprises a foamed asphalt spraying beam connected with an asphalt conveying pipeline, and a plurality of asphalt foaming devices are equidistantly and uniformly distributed on the foamed asphalt spraying beam; an inlet end of a matrix hot asphalt nozzle is connectedwith the foamed asphalt spraying beam, and an outlet end of the matrix hot asphalt nozzle is connected with a top end of the asphalt foaming cavity; a gas nozzle and a water nozzle are arranged on a group of opposite side surfaces of the asphalt foaming cavity; a foamed asphalt nozzle is arranged at a bottom end of the asphalt foaming cavity; an air cylinder is arranged on the asphalt foaming device; the output end of the air cylinder is contacted with the matrix hot asphalt nozzle; and the air cylinder, the air nozzle and the water nozzle are connected with an electromagnetic valve. The air cylinder timely switches on and switches off asphalt, and the foaming cavity with a high-pressure air and high-pressure water opposite blowing function effectively forms foamed asphalt. And the asphaltfoaming device continuously sprays foamed asphalt into a stirrer and fully stirs the foamed asphalt with a cold-wet premixed mixture to form a high-quality cold-mixed foamed asphalt mixture.

The invention discloses an environment-friendly type concrete modifier, which is prepared by the following raw materials by weight: 2.5-3.8 parts of acrylic acid ester functional compound, 1.5-2.8 parts of polycarbonate, 2.5-3.2 parts of organic amine lignin; 2.5-3.3 parts of alkali lignin, 0.8-1.7 parts of benzenecarboxylic acid, 0.7-2.5 parts of carrageenan, and 2-4 parts of borax. Compared with the prior modifier, acrylic acid ester functional compound, benzenecarboxylic acid and carrageenan are added in an asphalt mixture production process, so as that a lubrication high-molecular chain-shaped structure is formed in a cementation material after addition, mixing and grinding temperature of a mixture is greatly reduced, and energy consumption is saved; pavement has good quality, and has a good high temperature rut resistant capability, a water damage resistant capability and an ageing resistance; and the raw materials have advantages of low cost, small smog and gas discharge amount, and environmental protection.

The invention discloses a quick vibration and tamping mechanism of asphalt for road and bridge construction, and a using method and an asphalt paver of the same, and relates to the technical field of road construction. The quick vibration and tamping mechanism comprises a support seat, a vibration and tamping plate, a lug and a driving wheel. The vibration and tamping plate is arranged on the lower part of the support seat and moves vertically, and the driving wheel is rotatably connected with the support seat. The lug is arranged on the lower part of the driving wheel, and the bottom of the lug is connected with the upper part of the vibration and tamping plate. The driving wheel drives the vibration and tamping plate to perform vibration of different strengths through the lug. The vibration and tamping plate tend to move upward in the absence of external force. The quick vibration and tamping mechanism of the asphalt for the road and bridge construction is capable of performing vibration of different strengths on a same asphalt layer, further performs vibrating and tamping on the asphalt layer, facilitates exhausting of air from the asphalt layer and further facilitates quick tamping of the asphalt layer, thereby avoiding over-vibration and damages to edges of surface pellet materials. The quality of an asphalt pavement is guaranteed and the life cycle of the asphalt pavement is prolonged. The quick vibration and tamping mechanism of the asphalt for the road and bridge construction has the advantages of being simple in structure, reasonable in design and easy to manufacture.

The invention provides a road shoulder brick. The road shoulder brick comprises a brick body, the brick body is provided with a water draining channel, the water draining channel is communicated withthe outer part of the brick body at the end face positions of the two ends of the brick body, and the side, facing the vehicle lane, of the brick body is provided with a plurality of long grooves communicated with the water draining channel. By forming the water draining channel in the brick body, forming of a sewer on the vehicle lane is avoided, the transverse bearing effect of the road surfaceis ensured, and the road surface quality is relatively good. Meanwhile, the long grooves serving as water inlets are located on the side face of the brick body, even the long grooves are covered by leaves or plastic bags, the leaves or the plastic bags can easily fall down under the effect of the wind force and the gravity, the phenomenon of blocking is not liable to occur, and the water drainingeffect is good. In addition, by arranging the long grooves vertically, impurities such as the leaves or the plastic bags are effectively prevented from entering a water draining channel, and thus thewater draining channel is prevented from being blocked.

The invention relates to the field of construction, in particular to a novel soil compactor. The novel soil compactor comprises a vehicle frame, a driving cab mounted on the vehicle frame and a rear wheel driving device mounted below the vehicle frame, and further comprises a water sprinkling system, a hydraulic system, an intelligent system and an electrical system, wherein the water sprinkling system is mounted in front of the vehicle frame; the hydraulic system is connected with the rear wheel driving device; the intelligent system is mounted inside the driving cab; the intelligent system is electrically connected with the electrical system; the intelligent system comprises a level mechanism, a data receiving mechanism and a photographic probe mechanism; the photographic probe mechanismis mounted beside the level mechanism; the data receiving mechanism is electrically connected with the photographic probe mechanism. The novel soil compactor is an intelligent road roller which can automatically record, analyze and evaluate the road compacting quality, and then perform correction to make the road quality better.

The invention discloses a device for adjusting the camber of a ratchet wheel of a paver screed and belongs to the technical field of adjustment of the camber of a paver. The device comprises a left frame, a right frame, two left-handed screws, two right-handed screws, a circular tube, a rear ratchet wheel, a control pin and a rocking bar. The left frame is hinged to the right frame by a pin II. One end of one of the two left-handed screws is connected to a left side of the circular tube by threads and one end of the other one of the two left-handed screws is connected to a left side of the rear ratchet wheel by threads. The other end of one of the two left-handed screws is connected to a front installation base of the left frame and the other end of the other one of the two left-handed screws is connected to a rear installation base of the left frame. One end of one of the two right-handed screws is connected to a right side of the circular tube by threads and one end of the other of the two right-handed screws is connected to a right side of the rear ratchet wheel by threads. The other end of one of the two right-handed screws is connected to a front installation base of the right frame and the other end of the other one of the two right-handed screws is connected to a rear installation base of the right frame. A front chain wheel is connected to the circular tube. A rear chain wheel is connected to the rear ratchet wheel. The front chain wheel and the rear chain wheel are connected by a chain. The rear ratchet wheel and the rocking bar are connected by the control pin. The device can fast and conveniently adjust the camber of a screed, can save time and a labor force, is accurate and reliable and can greatly improve work efficiency and pavement quality.

The invention relates to a digital hydraulic control system for a paver screed, the paver screed using the system and a paver. The digital hydraulic control system comprises a hydraulic power elementand a mechanical feedback type digital servo hydraulic cylinder, wherein the hydraulic power element drives the mechanical feedback type digital servo hydraulic cylinder to move; the mechanical feedback type digital servo hydraulic cylinder controls the spatial position of a screed adjusting mechanism of the paver screed. The equipment use rate of the paver is increased, control is simplified, andthe paving quality can be improved. The mechanical feedback type digital servo hydraulic cylinder is arranged, a feedback adjustment simplified system is adopted, corresponding displacement is generated rapidly and accurately through a hydraulic cylinder, the flatness of the paving process is guaranteed, and therefore the pavement quality of a project is improved.

The invention discloses a road water stain dense position distinguishing method based on a density peak value method, which comprises the following steps: (1) carrying out data acquisition on an asphalt pavement to obtain the distribution condition of water stains in an asphalt pavement structure; (2) obtaining X-axis and Y-axis values of water stain dense points which are not detected by using an interpolation method; (3) calculating the obtained complete data to obtain the distance dij between the water spot dense points; (4) obtaining the distribution density rho i of the water stain dense points in the local range based on the distance dij between the water stain dense points and a density formula; (5) calculating the distance delta i between the dense point i of the water spots and the dense points j of the other water spots; and (6) based on the obtained distribution density rho i and distance delta i of the water spot dense points, selecting i sample data serial numbers as codes, and drawing a scatter diagram with rho as a horizontal coordinate and delta as a vertical coordinate, the road maintenance efficiency can be improved, the road maintenance cost can be reduced, and the method has profound significance for preventive maintenance of roads.

The invention discloses an oil spraying and water spraying dual-purpose device for the tire face of a road roller tire. The device comprises a shell support, two-position two-way electromagnetic reversing valve, a bearing assembly, an oil spraying shaft, an eccentric wheel, a connecting rod, a rocking rod, a gear motor, an oil supply device and a control device. When the gear motor is started, theeccentric wheel is rotated to drive the oil spraying shaft through the connecting rod and the rocking rod to do left-right swinging reciprocating motion. According to the oil spraying and water spraying dual-purpose device for the tire face of the road roller tire, a nozzle can swing left and right to spray oil or water to the tire face of the tire evenly; the nozzle is controlled by the two-position two-way electromagnetic reversing valve to be opened and closed, and the nozzle is prevented from leaking oil after spraying oil. The device is started or stopped at appropriate time through a remote controller according to real-time working conditions by ground operators, therefore, the operation burden of a road roller driver can be relieved, and construction efficiency and road quality canbe greatly improved.

The invention discloses a water-based road asphalt rehabilitating agent and a preparation method thereof. The formula of the water-based road asphalt rehabilitating agent comprises the following components in percentage by weight: 20 to 30 percent of asphalt, 10 to 20 percent of water, 5 to 10 percent of solvent, 10 to 20 percent of modifier, 0.5 to 2 percent of emulsifier, 0.5 to 1 percent of adhesion promoter, 0.5 to 2 percent of antisettling agent and 25 to 40 percent of filler. The preparation method comprises the following steps of: mixing the water and the emulsifier at the temperature of between 55 and 60 DEG C uniformly; adding the asphalt and the modifier which are diluted by the solvent sequentially; emulsifying the materials in asphalt emulsifying equipment; adding the adhesionpromoter, the antisettling agent and the filler sequentially; and continuously stirring for 15 to 30 minutes under the conditions of normal temperature, normal pressure and high speed to obtain the finished product. The water-based road asphalt rehabilitating agent has high permeability, cohesive property and durability, is used for beautifying road surface and repairing early diseases such as ageing of the asphalt road surface, pitting surface, water seepage and the like, prolongs the service life of the road by 2 to 3 years, and has remarkable economic and social benefits.

The invention provides a stability maintenance device for modified asphalt, and belongs to the technical field of road surface construction equipment. The stability maintenance device for modified asphalt comprises a stability maintenance tank, a firs temperature regulating and controlling device, a second temperature regulating and controlling device, a first stirring device, a second stirring device and a computer control system. According to the stability maintenance device provided by the invention, the stirring device and the temperature regulating and controlling devices arranged on top of the tank body and the bottom of the tank body are separately controlled by the computer control system, so that modified asphalt is stirred at a high speed at a proper temperature in the storage tank, occurrence of a modified asphalt segregation phenomenon is avoided, and stability of modified asphalt is sufficiently maintained.

The invention discloses pavement asphalt surface layer crack repairing equipment, and belongs to the technical field of pavement repairing equipment, the pavement asphalt surface layer crack repairing equipment comprises a walking vehicle body, a lifting system is arranged on the walking vehicle body, the lifting system comprises a supporting rod capable of moving up and down, and a road vibration device is arranged at the bottom of the supporting rod; the road vibration device comprises a hydraulic cylinder and a road pressing piece arranged at the output end of the hydraulic cylinder, an asphalt discharging system is arranged on the supporting rod, and the asphalt discharging system comprises a storage device for storing asphalt and a discharging device embedded into the storage device from the bottom. The walking vehicle body drives the asphalt discharging system to move and transport asphalt, the walking vehicle body walks to drive the asphalt discharging system to cover the road crack position to gradually add the asphalt to fill the crack, the spiral conveying roller rotates to convey the asphalt into the crack and level the asphalt, the smoothness is improved, and the road vibration device continuously impacts the road surface on the two sides of the crack. Asphalt is prevented from blocking the surface layer of the gap, the asphalt filling effect is improved, and the pavement quality after asphalt filling and repairing is improved.

The invention discloses a vibration road rolling device for highway construction. The device comprises a first connecting plate, and two second connecting plates are symmetrically and fixedly connected to one side of the first connecting plate; sliding grooves are formed in the adjacent sides of the two second connecting plates; and sliding blocks are slidably connected to the inner side walls ofthe two sliding grooves correspondingly. Connecting sleeves are fixedly connected to the adjacent sides of the two sliding blocks. in the using process of the device, a third connecting plate extrudesa first spring on the rod body to reduce shaking of the roller during road rolling construction and improve the road rolling quality; meanwhile, the third connecting plate extrudes the supporting plate and thus shaking generated during roller road rolling is further buffered, so that the working quality during roller road rolling construction is guaranteed, the road surface abrasion resistance isimproved, and the repair rate is reduced; meanwhile, the vibration amplitude is small, a good construction environment is brought to construction drivers, fatigue caused by construction is reduced, and the working efficiency can be effectively improved.

The invention discloses an intelligent lamp integrating multiple functions. The intelligent lamp comprises a lamp box, a connecting rod, banners and stand columns, and the lamp box is fixedly connected with the connecting rod; the two banners are both fixedly connected with the stand columns. The connecting rod is embedded in the stand columns. The lamp box is composed of a main light-emitting device, an auxiliary light-emitting device, a base plate, a shell and a transparent cover shell. The main light-emitting device is installed on the central axis of the substrate. At least two sets of auxiliary light-emitting devices are arranged and located on one side of the main light-emitting device. The base plate is fixedly connected with the shell through a sealant, the transparent cover shellis connected with the shell through a buckle piece, and the shell is fixedly connected with the connecting rod. The irradiation direction of lamplight can be changed through direct control of a control room or by means of the programming technology in the evening peak period and the night period, and therefore the lamplight of the LED lamp can generate the corresponding using effect in different application scenes.