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93results about How to "Improve paving quality" patented technology

Kerbstone paving vehicle-mounted mechanical arm

The invention discloses a kerbstone paving vehicle-mounted mechanical arm. According to the kerbstone paving vehicle-mounted mechanical arm, a vehicle body is provided with a seat, a control platform, a steering mechanism, a driving system composed of a motor and a power supply, the kerbstone paving vehicle-mounted mechanical arm, a lime-sand mortar paving mechanism, and a lime-sand mortar pushing mechanism; the kerbstone paving vehicle-mounted mechanical arm is composed of a kerbstone lifting platform and a kerbstone grabbing mechanism; the kerbstone grabbing mechanism can be used for realizing automatic grabbing and clamping of kerbstone; the kerbstone lifting platform can be used for free moving of lifted kerbstone along horizontal X axis, longitudinal Y axis, and vertical Z axis, rotating around the vertical Z axis at a certain angle, and automatic balance fine adjustment. Fuel powder is not adopted by the kerbstone paving vehicle-mounted mechanical arm; noise is low; no pollution is caused; the kerbstone paving vehicle-mounted mechanical arm is green and friendly to the environment; full-time construction can be realized; mechanized automatic installation of kerbstone can be realized; paving efficiency and paving quality of kerbstone are improved; labor intensity of workers is reduced; and the blank of road building machines in the field of kerbstone paving is filled.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Movable asphalt spreading device and asphalt paver

The invention relates to a movable asphalt spreading device. The device comprises asphalt nozzles arranged on a nozzle installation frame at intervals, wherein the nozzle installation frame is arranged on a guide rail; the guide rail is arranged on a guide rail installation frame; and a movable control component for driving the nozzle installation frame to move along the guide rail is arranged between the nozzle installation frame and the guide rail installation frame. A transversely-moving asphalt spreading device has the advantages of small occupied space and simple and compact structure. Asphalt can be sprayed on a road surface to be paved when the nozzle installation frame moves transversely along the guide rail, so that automation degree is high. The nozzles spray in a single travel of forward and backward movement of the nozzle frame, so that non-uniformity easily caused by uninterrupted asphalt spraying of the nozzles when a paver paves at a low speed is avoided, so that paving quality is improved.
Owner:SHAANXI CHANGDA INDAL

Spraying apparatus, paving machine, and construction method of liquid-state asphalt

The invention relates to a spraying apparatus, a paving machine, and a construction method of liquid-state asphalt. The asphalt spraying apparatus is arranged on a body of the paving machine through an installation frame. The asphalt spraying apparatus is arranged on the rear part of the paving machine, and in front of a material-distributing screw. The asphalt spraying apparatus comprises a fixed frame, a slide frame, a spraying nozzle, and a driving apparatus. An inflow pipeline, a backflow pipeline, a spraying pipeline, and controlling valves which with the pipelines communicate with each other are arranged in the spraying nozzle. A speed measuring sensor used for determining a sideslip speed and a displacement of the slide frame is arranged on the fixed frame. The spraying nozzle is connected with an asphalt input pipe through an asphalt inlet pipe, and is connected with an asphalt backflow pipe through an asphalt outlet pipe. The asphalt input pipe and the asphalt backflow pipe communicate with an asphalt storing tank. An asphalt pump and a gas / liquid controlling valve are arranged on an input end of the asphalt input pipe. The gas / liquid controlling valve is connected to an air compressor through a gas pipeline. The apparatus provided by the invention is advantaged in small land occupation, simple and compact structure, and high automation degree. With the spraying apparatus, during a paving machine low-speed paving procedure, the spraying nozzle is prevented from continuously spraying asphalt, such that a non-uniform paving phenomenon is avoided, and a paving quality is improved.
Owner:SHAANXI CHANGDA INDAL

Asphalt paving device used for municipal road construction

InactiveCN110219224AImprove melt mixingWell mixedRoads maintainenceCombustorRoad surface
The invention belongs to the technical field of municipal road construction and particularly provides an asphalt paving device used for municipal road construction. In order to solve the problem thatefficiency is low when the broken portion of a bituminous pavement is repaired in a manual paving mode, the following scheme is proposed, and the asphalt paving device comprises a vehicle body base, ashell is connected to the center of the top of the vehicle body base through bolts, a top board is connected to the top of the shell through bolts, a stirring tank is arranged in the center of the top of the top board, a heating cover is connected to the bottom of the top board through bolts, and two burners are connected to the two sides of the inner wall at the bottom of the heating cover through bolts. In the asphalt paving device, compared with a traditional direct external heating mode, the safety performance is better, the safety of the asphalt paving device is further improved, the userate of heat is increased, meanwhile, asphalt melting and mixing time is further shortened, asphalt paving time is further shortened, manual paving is not needed, and the paving quality is improved.
Owner:韦锋

Screw material distributor with heating device and paver of screw material distributor

The invention discloses a screw material distributor with a heating device and a paver of the screw material distributor. The screw material distributor with the heating device comprises a spiral elevating ratchet wrench, a spiral machine case, a spiral stretching and pulling device, a striker plate, left and right main segment screws and left and right extension segment screws, wherein the heating device is arranged in at least one of main segment screw shafts of the left and right main segment screws and extension segment screw shafts of the left and right extension segment screws. According to the screw material distributor with the heating device disclosed by the invention, the heating device is located in one screw shaft; the heating device is used for evenly heating an asphalt mixture through the screw shafts which are fully embedded into the asphalt mixture when working; the heat utilization rate is high; reheating of the asphalt mixture in movement is realized; temperature storage is improved for to-be-paved asphalt which is to enter the bottom of an ironing board; and temperature segregation of the asphalt mixture is effectively reduced.
Owner:DYNAPAC CHINA COMPACTION & PAVING EQUIP

Screed and paver comprising same

The invention provides a screed and a paver comprising the same. The screed includes at least one plate section and a screed heating system, wherein the plate section comprises a box body and a box body base plate. The screed heating system consists of an accommodating chamber, a heating device and a circulation device, wherein the accommodating chamber is arranged inside the plate section box body and contacted with the box body base plate, and comprises thermal fluids used for heating the box body base plate; the heating device is used to heat the thermal fluids; the circulation device is connected through the accommodating chamber to drive the thermal fluids to cycle between the circulation device and the accommodating chamber. The screed in the invention speeds up the heat-transfer efficiency of the thermal fluids, thus enabling the box body base plate of the screed to be evenly heated, and also enhances the quality of the road paving by reducing the uneven heating degree and deformation induced by thermal stress of the body box base plate.
Owner:ZOOMLION HEAVY IND CO LTD

Leveling system, paver and leveling method

InactiveCN104594165AImprove paving qualityGood paving performanceRoads maintainenceScreedHinge joint
The invention discloses a leveling system, a paver and a leveling method. The leveling system comprises a first sensor for detecting height deviation on two sides of a screed plate and a speed difference controller. According to the leveling system and the leveling method disclosed by the invention, a height deviation signal of the first sensor is received by virtue of the speed difference controller, and the motion of left and right leveling displacement regulators is controlled by virtue of a mode of limiting the speed difference between the left and right large-arm hinge joints. According to the leveling system and the leveling method, the problem that the screed plate is twisted because the actions of leveling displacement regulators (generally leveling cylinders) on two sides of a main engine are not coordinated is fundamentally solved by limiting the speed difference between the left and right large-arm hinge joints, so that the pavement paving quality is improved, and various construction conditions are met.
Owner:DYNAPAC CHINA COMPACTION & PAVING EQUIP

Screed heating system of paver, heating method and paver

The invention discloses a screed heating system of a paver. The screed at least comprises a first sub-screed and a second sub-screed. The heating system comprises heating components, temperature sensors, and a heating controller. The heating components comprise a first heating component and a second heating component. The first heating component and the second heating component are arranged on the first sub-screed and the second sub-screed correspondingly. The temperature sensors comprise a first temperature sensors used for detecting the temperature of the first sub-screed and a second temperature sensor used for detecting the temperature of the second sub-screed. The heating controller is arranged to carry out heating control of the heating components according to temperature information of the screed obtained by the temperature sensors. The heating controller controls the heating component to heat the sub-screed according to the nominal temperature of the sub-screed corresponding to the failure temperature sensor obtained through calculation, accurate temperature control of the sub-screed can be achieved, and therefore good paving quality can be obtained.
Owner:DYNAPAC CHINA COMPACTION & PAVING EQUIP

Retractable screed plate structure and paver

The invention provides a retractable screed plate structure which comprises a main screed plate (10), an accessory screed plate (20), a floating barrier (30), a guide component (40) and an elastic component (50), wherein the main screed plate (10) and the accessory screed plate (20) are mutually retractable; the guide component (40) is arranged on the main screed plate (10); the floating barrier (30) is slidably arranged along the guide component (40), and biased and abutted against the accessory screed plate (20) by virtue of the elastic component (50). The invention also provides a paver with the retractable screed plate structure. By using the retractable screed plate structure and spreader provided by the invention, a mixture in front of the accessory screed plate can be effectively prevented from leaking into the main screed plate, thereby improving the paving quality of a road surface.
Owner:ZOOMLION HEAVY IND CO LTD

Paver with double material level sensors, and material level height control method

The invention discloses a paver with double material level sensors, and a material level height control method. The paver is provided with a material distributing device and a telescopic screed plate,the telescopic screed plate comprises a basic section screed plate and a telescopic section screed plate arranged on the rear side of the basic section screed plate, and the telescopic section screedplate can transversely move relative to the basic section screed plate; and the paver further comprises a first material level sensor, a second material level sensor and a material level controller,the first material level sensor, the second material level sensor and the material distributing device are all in signal connection with the material level controller, the first material level sensoris used for detecting first material level height information in the trough, the second material level sensor is used for detecting second material level height information in a material containing cavity, and the material level controller is used for controlling the rotating speed of the material distributing device and / or starting and stopping of the material distributing device. The material level height between the telescopic section screed plate and a front baffle can be automatically adjusted, the labor intensity of operators is relieved, and the paving quality is improved.
Owner:XCMG CONSTR MACHINERY

Plateau area asphalt pavement construction method

The invention discloses a plateau area asphalt pavement construction method and relates to the technical field of highway construction. The plateau area asphalt pavement construction method comprisesthe step of correspondingly arranging mobile wind break walls along the two sides of a construction pavement during constructing a plateau area asphalt pavement, wherein the length of the wall arranged on single side every time is not less than 200 m, the height of the wall arranged on single side every time is not less than 50 m, the bottom of the wall is in close contact with the ground, and thematerials of the mobile wind break walls are wind proof materials used for reducing temperature loss of asphalt mixture in the paving process. The specific construction method comprises the steps of(1) blending asphalt mixture, (2) transporting a mixed material, (3) paving the mixed material; and in the construction process, arranging the mobile wind break walls when the wind power reaches grade4 or above, and (4) rolling the mixed material. According to the plateau area asphalt pavement construction method, through adoption of the wind break walls, the temperature loss of the asphalt mixture can be reduced, and the asphalt pavement paving quality can be improved; and the plateau area asphalt pavement construction method is very suitable for severe construction environments with low temperature, high wind speed, low surface temperature and the like in plateau areas.
Owner:青海省交通科学研究院

Pitch mixed material cracking resistance tester

The invention relates to a pitch mixed material cracking resistance tester which is used for solving the problem of test detection of pitch mixed materials and comprises an environmental box, a fixed support seat, a sticking platform plate, a slide plate, a slide plate displacement loading mechanism, a spoke type sensor, a rotating coupling and a servo motor, wherein the fixed support seat is installed in the environmental box; the sticking platform plate is installed on the fixed support seat and touches and is connected with the slide plate in a movable fit way; the bottom of the slide plate is connected with the slide plate displacement loading mechanism; the slide plate displacement loading mechanism is connected with the servo motor by the rotating coupling, and the spoke type sensor is connected to a coupling disk of the rotating coupling; a side support seat of which the bearing is embedded into the environmental box is installed on the rotating coupling; and the servo motor is connected outside the side body of the environmental box. The invention has simple structure and simple and convenient use and is suitable for carrying out a cracking resistance test on various pitch mixed materials.
Owner:沧州市市政工程股份有限公司

Screed height-difference adjusting device, paver and screed high-difference adjusting method

The invention provides a screed height-difference adjusting device, a paver and a screed high-difference adjusting method. The screed height-difference adjusting device is used for adjusting the height difference between an auxiliary screed and a main screed of the screed, and comprises an angle sensor, an adjusting oil cylinder and a controller, wherein the angle sensor is used for measuring working elevation angle of the main screed; the adjusting oil cylinder is used for driving the auxiliary screed to displace in the height direction; and the controller is used for receiving the working elevation angle measured by the angle sensor, calculating the target displacement of the auxiliary screed in the height direction according to the working elevation angle, and controlling the height difference between the auxiliary screed and the main screed by controlling the adjusting oil cylinder. By virtue of the technical scheme, the angle sensor reads out the working elevation angle of the main screed and the auxiliary screed, and the adjusting oil cylinder determines the to-be-adjusted height value according to the working elevation angle to automatically flex and adjust the height difference. Therefore, the manual work is avoided; and time and force are saved. Meanwhile, the precision of the adjusting value calculated according to the working elevation angle is higher; the evenness of the paved road surface is ensured; and the paving quality of the road is improved.
Owner:ZOOMLION HEAVY IND CO LTD

Bituminous pavement hot-in-place recycling paving device

InactiveCN107354848AAchieve warm-upRealize hot connectionRoads maintainenceCombustionRoad surface
The invention discloses a bituminous pavement hot-in-place recycling paving device. The bituminous pavement hot-in-place recycling paving device comprises a vehicle body. A material receiving hopper is arranged at the front end of the vehicle body and connected with a material receiving box through a first scraper chain. A stirring paddle is arranged in the material receiving box. A double-layer paving device is arranged at the tail of the vehicle body and comprises a front material divider, a front ironing plate, a rear material divider and a rear ironing plate. The material receiving box is connected with the rear material divider through a second scraper chain. A heating plate is arranged at the bottom of the vehicle body. The vehicle body is provided with a combustion furnace, a hot air outlet of the combustion furnace is connected with the heating plate through a hot air conveying pipeline, and the hot air conveying pipeline is provided with a circulation draught fan. According to the bituminous pavement hot-in-place recycling paving device, upper face layers and lower face layers of fresh materials and reworked materials can be paved and constructed at the same time, a lower bearing layer of the bituminous pavement can be preheated, the bonding quality between the layers of the bituminous pavement is guaranteed, hot connection of transverse and longitudinal construction work lines can be achieved, and the paving quality of the bituminous pavement is greatly improved.
Owner:JILIN JIAPENG GRP

Double-layer paver ironing device with cleaning function

The invention provides a double-layer paver ironing device with a cleaning function. An outer layer ironing plate is connected with an ironing plate body through a fixing plate, a rotating device is arranged on the fixing plate, rotating rods are arranged on the outer layer ironing plate, rotating shafts are arranged on the outer side of the fixing plate, the left side of the ironing plate body is connected with a left oil cylinder through a left force exerting component, the right side of the ironing plate body is connected with a right oil cylinder through a right force exerting component, the middle of the ironing plate body is connected with a middle oil cylinder through a force exerting component, a cleaning and storage heating tank is arranged on one side of the ironing plate body, a cleaning heating device is arranged on the inner side of the cleaning and storage heating tank, a circulating pump is arranged on one side at the bottom of the cleaning and storage heating tank, a liquid inlet valve is arranged on a cleaning liquid pipe, cleaning spray heads are arranged on the cleaning liquid pipe, cleaning holes are formed in the cleaning spray heads, and a temperature sensor is arranged in the middle of the ironing plate body. The double-layer paver ironing device has a very good cleaning effect, the situation that a pavement is scratched when paving is carried out again, and consequently a roughened surface occurs is avoided, and thus the paving quality is improved.
Owner:TIANJIN KANGYUAN ENG MACHINERY

Paver and floating baffle system used for same

The invention provides a paver and a floating baffle system used for the paver. The floating baffle system used for the paver according to the invention is used for filling a gap between a main ironing plate and an assistant ironing plate. The floating baffle system comprises a fixed baffle, a floating baffle device and an elastic limiting mechanism, wherein the fixed baffle is fixedly arranged on the main ironing plate; the floating baffle device comprises a floating baffle which is slidably arranged on the fixed baffle and is located on one side close to the assistant ironing plate; and theelastic limiting mechanism is flexibly resisted against the floating baffle, thereby jointing the floating baffle with the assistant ironing plate. The paver according to the invention comprises the floating baffle system used for the paver. In the floating baffle system provided by the invention, the floating baffle is tightly jointed with the assistant ironing plate under any working condition,thereby avoiding the gap between the main ironing plate and the assistant ironing plate, efficiently preventing a mixed material in front of the assistant ironing plate from leaking into a part behind the main ironing plate, and promoting the paved quality of a road surface.
Owner:ZOOMLION HEAVY IND CO LTD

Thickness-adjustable slurry spreading equipment

The invention discloses thickness-adjustable slurry spreading equipment. The thickness-adjustable slurry spreading equipment comprises a machine frame, a slurry storage cavity is formed in the middleof the machine frame, a slurry outlet is formed in the lower end of the slurry storage cavity, two supporting frames are correspondingly arranged at the two ends of the machine frame, tires are arranged on the supporting frames, a slurry spreading mechanism convenient to disassemble and assemble is arranged at the front end of the machine frame, a lifting mechanism for adjusting the height of theslurry spreading mechanism is arranged at the front end of the slurry spreading mechanism, and a slurry outlet mechanism for slurry outlet with the moving of the machine frame is arranged at the slurry outlet. The thickness-adjustable slurry spreading equipment has the beneficial effects that the distance between a slurry spreading plate and the ground is controlled, the slurry spreading thicknesses can be freely controlled, the thickness-adjustable slurry spreading equipment is suitable for working requirements of different slurry spreading thicknesses, and the operation steps of a user are simplified.
Owner:安徽雄康建设工程有限公司

Device for intelligently controlling travelling direction of paver

The invention discloses a device for intelligently controlling the travelling direction of a paver, belonging to the technical field of engineering machinery. The device comprises a programmable logic controller (PLC) adopting a controller area network (CAN) bus, an edge distance sensor, a speed potentiometer, a proportional solenoid, a speed sensor and application software, wherein the edge distance sensor is used for acquiring the travelling route track and specific position of the paver and is connected with an A / D conversion module of the controller; the speed potentiometer is used for setting the speed of the paver and is connected with an A / D conversion module of the controller; the proportional solenoid is used for controlling a variable capacity pump and is connected with the controller; the speed sensor is used for acquiring the left and right motor speeds of the variable capacity pump and is connected with an A / D conversion module connected with the controller; the application software is used for managing and controlling equipment and is installed in the PLC; and the application software comprises a pavement track signal processing module, a speed sensor signal processing module, a paver travelling control integrated treatment module, a parameter calibration module, a CAN bus communication module and a display displaying treatment module. The device has the following beneficial effect: the device can realize controlling the paver to automatically travel stably along the direction of the pavement needing to be paved, thus improving the paving accuracy and quality.
Owner:XUZHOU WBEST CIVIL CONSTR EQUIP & SERVICES

Thin-layer wrapper spreading device

The invention relates to a thin-layer wrapper spreading device. A trapezoid scraper consisting of a large baffle, a baffle body and a small baffle is used for wrapping paste; a power switch is switched on, after an output shaft of a vertical motor passes through a decelerator, a driving shaft drives a screw rod fixing frame to rotate, and at the time, the scraper enables the paste to be automatically rotated and uniformly spread; a lateral motor drives a screw rod to rotate forwards, a sliding block slides in the forward direction of a sliding bar, and the paste in the scraper is completely spread for the first time in the circumferential direction; after the sliding block moves to the end part of the sliding bar, the lateral motor drives the screw rod to rotate backwards, the sliding block slides in the backward direction of the sliding bar, and the scraper is used for levelly spreading the paste on a pot surface for the second time; after the sliding block touches a touch switch on the sliding bar, the power switch is in power failure, and spreading of a wrapper once is completed, namely making the wrapper once is completed. Compared with a conventional device adopting a manual spreading manner, the device disclosed by the invention has the advantages that wrapper spreading speed is effectively promoted, and the wrapper molding quality is effectively improved; and the device is suitable for mass production, and has very high economic benefits.
Owner:贾继凯

Underdrainage pipeline construction technology process for municipal engineering and method of process

InactiveCN108505607AHigh construction process efficiencyImprove efficiencyExcavationsSewer pipelinesPipeflowSewage
The invention discloses an underdrainage pipeline construction technology process for municipal engineering and relates to the technical field of pipeline construction. The technology process comprises the following steps of measurement and line alignment of a drainage pipeline, foundation pit supporting, foundation pit processing, foundation construction and UPVC pipeline installation. Accordingto the underdrainage pipeline construction technology process, for rainwater and sewage, foundation pits are adopted and pipe pits are dug, the depth of the pits is 2-9 m, dense-arrangement deep-drawing steel plate piles are adopted for supporting the foundation pits, NO.30 groove steel is adopted for supporting top supporting horizontal supports, the length of the horizontal supports is higher than that of the space before being tightly piled and is kept within 2-6 cm, and accordingly the embedded supports are reasonably pressed; by adopting cooperation of mechanical soil digging and manual soil digging, it is guaranteed that soil at the bottoms of grooves cannot be damaged, during mechanical digging, the digging standard height of the pit is 20-30 cm, the flatness of the soil is checkedthree times after manual soil digging, and accordingly it is confirmed that digging is not excessively conducted; the construction technology is high in efficiency, the construction cost is low, the benefit is high, and the process has great promotion significance on increase of the level of municipal engineering construction in China.
Owner:安徽鸿佑建设工程有限公司

Concrete pavement paving device and method based on weaving mechanism

The invention discloses a concrete pavement paving device and method based on a weaving mechanism. The paving device comprises a rack, a concrete feeding device, a horizontal vibrator and a vertical vibrator, wherein the rack horizontally moves from back to front in the pavement paving direction, and the concrete feeding device moves along with the rack; the horizontal vibrator is positioned above the front side of the rack, and the vertical vibrator is positioned above the rear side of the rack. The concrete feeding device is arranged in the wideness direction of a pavement. The paving method comprises the following steps: the rack horizontally moves from back to front in the pavement paving direction, and pavement anti-deformation structures are arranged on the base layer of the paved pavement from back to front in the moving process; in the process that the rack moves from back to front, the concrete feeding device continuously conveys concrete in the concrete feeding device onto the base layer of the pavement for paving in multiple paving stripes from back to front based on the weaving mechanism. The concrete pavement paving device has the advantages of reasonable design, simpleness and convenience in use and operation, high efficiency, energy saving, high paving quality and easiness in promotion and use and can solve various inherent contradictions and problems in sliding mode paving construction.
Owner:CHANGAN UNIV

Telescopic paver

The invention discloses a telescopic paver, and belongs to the technical field of paving equipment. The paver comprises a telescopic cantilever beam and a paving part which moves and works along the telescopic cantilever beam. The telescopic cantilever beam comprises a main beam and extension beams arranged at the two ends of the main beam in a sleeving mode. A transmission part for enabling the extension beams to move is arranged between the extension beams and the main beam. The extension beams at the two ends are provided with walking parts. The upper end face of the telescopic cantilever beam is provided with a control part. The telescopic cantilever beam is provided with the main beam and the extension beams, and the extension beams move along the main beam, so that the length of thetelescopic cantilever beam is changed, the working stroke of the telescopic paver can be adjusted according to the actual condition of a construction site, and the application range of the telescopicpaver is expanded. Moving transmission between the paving support and the telescopic cantilever beam is achieved through the gear and rack transmission part, transmission of the gear and rack transmission part is stable, and the moving process between the paving support and the telescopic cantilever beam is stable. The paver is reasonable in structural arrangement, the use rate of the paver is increased, and the paver has good use performance.
Owner:HEBEI KEXINBO MECHANICAL & ELECTRICAL EQUIPCO

Film tray paving mechanism for self-propelled combined machine for raising rice seedlings in greenhouse

A film tray paving mechanism for a self-propelled combined machine for raising rice seedlings in a greenhouse belongs to a special mechanism to support the use of the self-propelled combined machine for raising the rice seedlings in the greenhouse. The novel film tray paving mechanism for the self-propelled combined machine for raising the rice seedlings in the greenhouse comprises a folding forming part and a forming maintaining part, wherein the folding forming part comprises an underframe and an upper frame, and the forming maintaining part comprises a lower cage and an upper cage. The film tray paving mechanism for the self-propelled combined machine for raising the rice seedlings in the greenhouse has the beneficial effects that rice industrial greenhouse seedling-raising multi-groove integrated film tray films are folded into integrated groove strip-type bottom films when passing through a special film tray paving mechanism; mechanical film tray paving replaces manual film tray paving, so that the film tray paving quality is improved, and the working efficiency is also improved; the problems of labor wasting and high labor intensity are solved.
Owner:NINGXIA ACADEMY OF AGRI & FORESTRY SCI

Road engineering pavement asphalt paving equipment

The invention relates to road engineering pavement asphalt paving equipment. The road engineering pavement asphalt paving equipment comprises a machine body, a support, a spiral feeding device and a flattening device, wherein the support is connected to the rear side of the machine body, the spiral feeding device extends in the left-right direction, the spiral feeding device is installed on the support and located behind the machine body, and asphalt flows down from the machine body and then is distributed to a road through the spiral feeding device. The flattening device comprises a carrier roller rod, a sleeve, a switch device, a conveying belt and a poking rod, wherein the spiral feeding device drives the carrier roller rod to rotate in a conveying mode, the switch device is configuredto enable the sleeve to be matched with the carrier roller rod when being touched by protruding asphalt so as to enable the carrier roller rod to drive the sleeve to rotate, the sleeve drives the conveying belt to rotate in a conveying mode, and the poking rod on the conveying belt flattens the protruding asphalt. According to the road engineering pavement asphalt paving equipment, accumulated asphalt can be automatically leveled inwards when the road engineering pavement asphalt paving equipment turns, so that the pavement paving quality is improved, and the manpower consumption is reduced. In addition, the road engineering pavement asphalt paving equipment adopts a pure mechanical structure and is more suitable for severe working environments such as high temperature and vibration.
Owner:孙朋

Curb paving vehicle-mounted manipulator

The invention discloses a kerbstone paving vehicle-mounted mechanical arm. According to the kerbstone paving vehicle-mounted mechanical arm, a vehicle body is provided with a seat, a control platform, a steering mechanism, a driving system composed of a motor and a power supply, the kerbstone paving vehicle-mounted mechanical arm, a lime-sand mortar paving mechanism, and a lime-sand mortar pushing mechanism; the kerbstone paving vehicle-mounted mechanical arm is composed of a kerbstone lifting platform and a kerbstone grabbing mechanism; the kerbstone grabbing mechanism can be used for realizing automatic grabbing and clamping of kerbstone; the kerbstone lifting platform can be used for free moving of lifted kerbstone along horizontal X axis, longitudinal Y axis, and vertical Z axis, rotating around the vertical Z axis at a certain angle, and automatic balance fine adjustment. Fuel powder is not adopted by the kerbstone paving vehicle-mounted mechanical arm; noise is low; no pollution is caused; the kerbstone paving vehicle-mounted mechanical arm is green and friendly to the environment; full-time construction can be realized; mechanized automatic installation of kerbstone can be realized; paving efficiency and paving quality of kerbstone are improved; labor intensity of workers is reduced; and the blank of road building machines in the field of kerbstone paving is filled.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Paving width automatic control system of paver

The invention provides a paving width automatic control system of a paver. The system comprises a PLC program controller, a control output module and a width detection module, wherein the PLC program controller is connected with the control output module and the width detection module through a signal line. The PLC is used for controlling electromagnetic valves of the paving width of the paver in a concentrated way, the internal structure for adjusting width of the paver is simplified, the reliability of width adjustment is improved, different road construction requirements are satisfied, the road paving quality is improved, and the system has the advantages of convenience for installation and debugging.
Owner:TIANJIN KANGYUAN ENG MACHINERY
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