46results about How to "Guarantee paving quality" patented technology

The invention discloses an asphalt concrete regenerative heating and heat-preservation mixing carrier vehicle which comprises a vehicle body, an asphalt regenerative heating device and an emulsified asphalt spraying device, wherein the asphalt regenerative heating device and the emulsified asphalt spraying device are arranged on a chassis of the vehicle body; the asphalt regenerative heating device comprises a hydraulic power system, a rotary tillage stirring system, a heating heat-preservation system, an asphalt pumping system, a material metering device and a smoke dust removal system. The processing and transporting amount can be 6m<3>, the mixing carrier vehicle is suitable for large-scale asphalt pavement construction so as to guarantee the pavement paving quality, the field construction operation is promoted, and the problems of regenerative utilization, transport, storage and environmental pollution of asphalt pavement milling wastes and maintenance and repair of the asphalt pavement in winter are comprehensively solved. Meanwhile, the problem that heat of asphalt is dissipated during ultra-long distance transport and super-long time construction is solved, and the asphalt pavement maintenance cost is greatly saved.

The invention discloses a hydraulic control device of an ironing plate of a paver, and belongs to the technical field of pavers. The hydraulic control device comprises a hydraulic pump, a control combination valve bank, a left two-position two-way electromagnetic reversing valve, a right two-position two-way electromagnetic reversing valve, an ironing-plate left oil cylinder and an ironing-plate right oil cylinder, wherein the hydraulic pump is connected with the port P of the control combination valve bank, the port A1 of the control combination valve bank is connected with the rod cavity of the ironing-plate right oil cylinder, the port A2 of the control combination valve bank is connected with the rod cavity of the ironing-plate left oil cylinder, the port B of the control combination valve bank is respectively connected with the left two-position two-way electromagnetic reversing valve and the right two-position two-way electromagnetic reversing valve, the left two-position two-way electromagnetic reversing valve is connected with the rodless cavity of the ironing-plate left oil cylinder, the right two-position two-way electromagnetic reversing valve is connected with the rodless cavity of the ironing-plate right oil cylinder, and the port C of the control combination valve bank is connected with a pressure relay. The hydraulic control device has the beneficial effect of ensuring that the ironing plate in a suspension state descends slowly, so that the ironing plate is prevented from deformation or damage caused during rapid descending.

The invention aims at providing a reaction joining waterproof roll paving waterproof construction method. The construction method comprises the steps of folding a reaction joining waterproof roll in two, coating a concrete foundation face and a reaction joining adhesive face of the reaction joining waterproof roll with lean concrete grout, fitting the reaction joining adhesive layer and the concrete foundation face and the like. The reaction joining waterproof roll paving waterproof construction method solves the problem that reaction joining waterproof roll paving is inaccurate, and particularly reaction joining waterproof roll paving is likely to go wrong during large-area construction, is easy and convenient to operate and can bring the technical features of the reaction joining waterproof roll into full play, and a waterproof sealing layer obtained after construction is good in sealing effect and durable and has the quite high practical value.

The invention provides an asphalt paver for building construction. The paver comprises a machine base, a multi-stage paving device arranged on the machine base in a penetrating manner, and a feeding assembly, a storage assembly and a heat supply assembly which are arranged on the machine base, the multi-stage paving device comprises a swinging and smearing mechanism, a transverse scraping and smearing mechanism and a longitudinal scraping and smearing mechanism which are sequentially and adjacently arranged in the machine base in a penetrating manner; and the swinging and smearing mechanism isused for swinging and paving asphalt discharged by the feeding assembly, and the storage assembly is used for supplementing asphalt to the feeding assembly. The asphalt paver is simple and practical,can guarantee the asphalt paving effect through multiple times of paving, and can be suitable for good paving of planes, curved surfaces and inclined surface paving surfaces.

The invention relates to a quantitative and order feeding machine which belongs to the technical field of tea processing devices and comprises a rotatable air draft roller arranged above one end of a conveying belt, wherein the air draft roller is a hollow wheel-shaped member supported on a horizontal air draft tube shaft, one end of the air draft tube shaft is communicated with a negative pressure generation device, the middle of the air draft tube shaft is provided with an air draft hole communicated with a hollow part of the air draft roller, the flange of the air draft roller is provided with suction holes at interval, the lower part of one side of the air draft roller is externally provided with a hopper capable of enabling tea to be sucked by the suction holes, and the lower part ofthe other side of the air draft roller is internally provided with a plugging block capable of closing the suction holes. The quantitative and order feeding machine realizes the purpose with a reasonable principle and a simple structure under the condition of no damage of the tea, thus the production efficiency can be greatly increased, the spreading quality of the tea is ensured, and better foundation is laid for the subsequent tea processing procedure and the intelligent picking and grading procedure.

The invention relates to a discharging and paving device and a material paving robot, and the discharging and paving device comprises: a storage device which is arranged on a chassis and is used for storing a to-be-paved material; a discharging control device which is arranged on the chassis and is used for opening or closing the to-be-paved materials discharged from the material storage device; and a vibration discharging device which is arranged on the material storage device and used for discharging the to-be-paved materials in the material storage device. The whole operation process of thematerial paving robot does not need human intervention, so that the labor force of workers is liberated to a great extent, the human cost expenditure of enterprises is reduced, the material paving robot can continuously operate, the working efficiency is high, the flatness of a paved mortar layer is good, and the subsequent floor tile paving quality is favorably ensured.

The invention relates to a rotation body type composite material component forming method. The forming method comprises the following steps that the surface of a forming tool is coated with a demoulding material; secondly, manual pavement and pasting of prepreg are conducted on the surface of the forming tool coated with the demoulding material, in the pavement and pasting process, pavement and pasting positioning is conducted, and a vacuum bag pressing method is used for conducting pre-compaction on the paved and pasted prepreg; thirdly, after pavement and pasting are finished, the paved andpasted prepreg is overturned, and rotation type prepreg is formed through overturning; and fourthly, an inflated cylindrical vacuum bag or air bag is used for packaging the rotation type prepreg, thencuring is conducted, and a rotation body type composite material component is obtained. According to the rotation body type composite material component forming method, fiber winding equipment is notneeded, and the production cost is reduced; and material sheet paving and pasting of a rigidity core die are not needed, and fiber wrinkling and deformation caused by the too long rigidity core die are avoided.

The invention discloses an ironing plate. The ironing plate comprises a main body (1) of the ironing plate. The ironing plate also comprises a distortion preventing device (2), wherein the distortion preventing device (2) is symmetrically installed at the back side of the main body (1) of the ironing plate relative to the center line (L-L) of the main body (1) of the ironing plate along the width direction of the main body (1) of the ironing plate; and moreover, the distortion preventing device (2) and the main body (1) of the ironing plate form a truss structure. The invention also discloses a spreading machine with the ironing plate. The integral bending rigidity and torsional rigidity of the ironing plate are better, and the phenomena of bending and torsional deformation are not easy to occur.

The invention provides a combustion chamber of a paver, which comprises a screed box having a bottom screed, a combustion chamber, a linear heater having a linear heating pipe and a heat-insulating plate which is arranged in the combustion chamber and positioned between the linear heating pipe and the bottom screed. The combustion chamber is capable of solving the problem that the quality of road paving is lowered due to the deformation of the bottom screed caused by the local overheat of the bottom screed.

The invention discloses a production technology for an integrated tray type polyurethane heat-insulating heating tile. The production technology comprises the following steps: (1) putting a ceramic panel into a forming mold; (2) putting a tray containing a carbon fiber heating material on the back of the ceramic panel; (3) pouring a polyurethane foaming raw material into the forming mold, closing the mold, polymerizing polyurethane after 8-15min, opening the mold and taking out, thereby acquiring the integrated tray type polyurethane heat-insulating heating tile. The production technology has the advantages of simple process, high controllability and facilitation of large-scale production. The prepared floor heating tile has the advantages of long service life, convenience in mounting, high heating speed, high heat supply efficiency and attractiveness.

The invention relates to a cement mortar tooth rake and a method for laying tiles on floor. The cement mortar tooth rake comprises a rake body. The rake body is of a rectangular plate structure.. Longsides of the rake body are horizontal and a plate surface is vertical so as to scrape the cement mortar laid on the floor by using a lower edge of the rake body. One end of the rake body is connectedwith a control positioning part in the length direction of the rake body to facilitate the control of the rake body. The lower surface of the control positioning part is horizontal, the lower surfaceof the control positioning part is used as a positioning surface to control the rake body by the control positioning part, and the positioning surface is closely attached to the existing horizontal surface to slide to implement the scraping of the cement mortar by the rake body. Height difference exists in the positioning surface and the lower edge of the rake body in the gravity direction. The lower edge of the rake body is provided with a plurality of downward convex teeth at intervals with equidistance in the length direction of the rake body. According to cement mortar tooth rake and themethod for laying the tiles on the floor, the laying construction efficiency of the tiles on the floor can be effectively improved, and the laying quality is easy to guarantee; and dry cement mortar is scraped horizontally, at the same time, groove mark is scraped at the upper surface of a dry cement mortar cushion, so that the bonding of the tiles on the floor is more firm.

The invention discloses a 3D paving construction technology applicable to an asphalt pavement, belonging to the technical field of road construction. A paver equipped with a 3D paving automatic control system is used to carry out construction without complicated and heavy operations such as setting out, piling and hanging lines, which can not only remarkably reduce labor intensity, but also greatly speed up the construction speed. The 3D paving automatic control system is used for paving construction by combining a warm agent, so that not only the quality of paver construction can be guaranteed, but also the emission of harmful smoke generated by asphalt paving can be reduced.

The invention discloses a screed plate frame, a screed plate and a paver. The screed plate frame comprises a base plate, a front plate, a rear plate, a first lateral plate, a second lateral plate and a separation plate component arranged horizontally, wherein the separation plate component comprises at least one separation plate, and the separation plate component, the front plate, the rear plate, the first lateral plate, the second lateral plate and the base plate are arranged in a surrounding mode to form a closed space. Compared with the prior art, the screed plate frame is provided with the separation plate component arranged horizontally, the separation plate component is used to adjust the height of a twist centre of the screed plate frame, so that the height of the twist centre of the screed plate frame is close to 120-160 millimeters or within the range, and therefore when the screed plate frame works, outer load toque suffered by the screed plate frame is close to zero, and torsion deformation of the screed plate frame is reduced. The screed plate frame is simple in structure and free of assistance of external equipment to adjust the bottom surface of the screed plate, manufacturing cost is saved, and labor intensity is lowered.

The invention discloses a fixing assembly. The fixing assembly comprises a locking belt and a buckling piece. The locking belt comprises a supporting head and a connection arm connected to the supporting head. The buckling piece can be connected into the connection arm in a sleeved mode. The buckling piece can be selectively locked and positioned on the connection arm in the length direction of the connection arm. The connection arm penetrates through a formwork. A sheet panel material is attached to and abuts against the formwork. The buckling piece is sleeved with and connected into the connection arm so that the sheet panel material and the formwork can be clamped and fixed between the supporting head and the buckling piece. Thus, the sheet panel material is fixed to the formwork used for manufacturing a concrete prefabricated part through the locking belts and the buckling pieces of the fixing assembles, the sheet panel material is prevented from falling in the manufacturing process of the concrete prefabricated part, the requirement for the skill of operators is lowered, the sheet panel material laying flatness is ensured, and the laying quality of the sheet panel material is then ensured; the construction efficiency of the concrete prefabricated part manufacturing is improved, the construction cost is greatly reduced, and pollution to the environment is reduced. The invention further discloses a construction method for manufacturing the concrete prefabricated part through the fixing assemblies.

The invention discloses a rollover device for composite material manufacturing and a using method thereof. The rollover device comprises an operation foundation part; a lifting part is arranged on the operation foundation part; an overturning part is arranged on the top of the lifting part; a tool mold is arranged between the overturning part and the operation foundation part; and the lifting part is used for driving the overturning part to ascend and descend to overturn so as to drive the tool mold to ascend and descend to overturn, so that the tool mold can be overturned by 180 degrees at a time, composite material laying layer pollution is effectively prevented, and the situation that the mold overturning process is stable is guaranteed. By means of the rollover device for composite material manufacturing, composite material turnover and paving operation can be completed through one-time turnover, the composite material production efficiency is greatly improved, and the production period is shortened. Compared with a traveling crane hoisting mold turning mode, the device does not need secondary turning, so that the labor intensity of workers is greatly reduced, the safety coefficient is high, dust is not generated in the mold turning process, the cleanliness of a production environment is guaranteed, and the product quality of a composite material is improved.

The invention relates to a material discharging and paving device and a material paving robot, comprising: a material storage device, which is installed on a chassis and used to store materials to be paved; a material discharging control device, the A material control device is arranged on the chassis, and is used to open or close the material to be paved discharged from the storage device; and a vibration discharge device, the vibration discharge device is arranged on the storage device on the material storage device, and is used to discharge the material to be paved from the storage device. Since the entire operation process of the material paving robot does not require human intervention, it greatly liberates the labor force of the workers and reduces the labor cost of the enterprise. The material paving robot can work continuously, with high work efficiency, and the flatness of the paving mortar layer is good. It is beneficial to ensure the quality of subsequent floor tile laying.

The invention discloses an additional-groove-free cast-in-place pile vertical waterproof roll attaching device and a construction method thereof and belongs to additional-groove-free underground comprehensive pipe pack construction methods. The additional-groove-free cast-in-place pile vertical waterproof roll attaching device comprises a walking trolley and a vertical roll attaching device body.The additional-groove-free cast-in-place pile vertical waterproof roll attaching device is characterized in that the walking trolley comprises a telescopic arm rod, a steel wire rope and a trolley winch; the vertical roll attaching device body comprises a re-pressing roller, a roll pressing wheel, a self-adhesion roll roller, a roll film collecting roller and a connecting rod component; the roll attaching device body is connected and fixed through the connecting rod component; the position of the vertical roll attaching device body is adjusted through the telescopic arm rod; the roll attachingdevice body is lifted by the trolley winch to carry out self-adhesion roll vertical attaching work and is connected with the telescopic arm rod through the steel wire rope; the re-pressing roller, the roll pressing wheel and the self-adhesion roll roller are all driven wheels; and the roll film collecting roller is a driving wheel.

The utility model discloses a device for monitoring elevation angle change of a paver screed. The device comprises a laser emitting mechanism, a laser reflecting mechanism and a laser receiving mechanism; the laser emitting mechanism comprises laser transmitters and a mounting bracket which are respectively arranged on the sides where large arms on two sides of the paver are located, and the laser transmitters are mounted at the upper end of the mounting bracket, and are higher than the large arms on the sides where the laser transmitters are located; the laser reflecting mechanism comprises reflecting mirror surfaces which are respectively arranged on the large arm, the reflecting mirror surfaces are rotationally connected with a mounting support fixed on the large arm, and light rays emitted by the laser emitter on each side fall into a rotating adjusting range of the reflecting mirror surface on the side where the light rays are located; the laser receiving mechanism comprises a receiver mounting table and a laser receiver, and the upper end of the mounting table is connected with the laser receiver; and the laser receiver comprises a rear-end receiver, a middle receiver and a front-end receiver, and the reflection range of the reflection mirror surface is not smaller than the laser receiver area. The device is convenient to transfer and install; elevation angle changes are closely monitored, and the paving quality is ensured; and disassembly and assembly are convenient, and debugging is simple.

The invention provides a paving operation speed measuring method for a paver. The method comprises the steps of S1, establishing a paver construction plane coordinate system, and initializing a sampling frequency of a GPS receiver; S2, in an operation process of the paver, sequentially collecting longitude and latitude coordinates of the position of the paver by the GPS receiver according to the sampling frequency; S3, converting the longitude and latitude coordinates obtained at a current sampling time point to the paver construction plane coordinate system so as to obtain current construction plane coordinates; S4, calculating current operation speed of the paver according to the current construction plane coordinates, construction plane coordinates at a previous sampling time point andthe sampling frequency; and S5, repeating the steps S2 to S4 until the paver stops operation. A paver construction plane coordinate model is built, and an accurate calculation model of the paving speed of the paver is built, so that the change of the paving speed can be conveniently discovered in time to adjust the paving operation speed for ensuring the paving quality, the adaptability is high, and the accuracy is high.

The invention discloses an equal-stroke double-vibrating device of an asphalt spreading machine, which comprises an eccentric shaft and a front vibrating device, a rear vibrating device, a left fixed supporting part and a right fixed supporting part which are installed on the eccentric shaft, wherein the eccentric shaft comprises a left outside eccentric segment, a left non-eccentric segment, a left inside eccentric segment, a central non-eccentric segment, a right inside eccentric segment, a first right non-eccentric segment and a right outside eccentric segment which are sequentially arranged from left to right and are connected with each other, the eccentric directions of the left outside eccentric segment and the right outside eccentric segment are identical, the eccentric distances of the left outside eccentric segment and the right outside eccentric segment are e1, the eccentric directions of the left inside eccentric segment and the right inside eccentric segment are identical, the eccentric distances of the left inside eccentric segment and the right inside eccentric segment are e2, e1 is equal to e2, the eccentric directions of the left outside eccentric segment and the left inside eccentric segment are opposite, and the eccentric directions of the right outside eccentric segment and the right inside eccentric segment are opposite. According to the invention, the influence of inertia force on the spreading machine is effectively eliminated, the structure of the vibrating device of the spreading machine is simplified, and the vibration influence of the vibrating device on an ironing plate during working is reduced.

The utility model relates to a device with a function of monitoring the elevation angle change of a paver screed. The device comprises a laser emitting mechanism, a laser passing mechanism and a laser receiving mechanism, when an elevation angle is at an angle of normal paving, three laser rays emitted by an upper emitter, a middle emitter and a lower emitter of the laser emitting mechanism can be received by an upper receiver, a middle receiver and a lower receiver through gaps respectively; when the elevation angle is increased, the laser rays emitted by the lower emitter are shielded by the lower shielding plate, the lower receiver cannot receive the rays and transmits a signal to the controller, and the controller controls the leveling oil cylinder to extend and restore to the elevation angle when the leveling oil cylinder is balanced; when the elevation angle is reduced, the laser rays emitted by the upper emitter are shielded by the upper shielding plate, the upper receiver cannot receive the rays, a signal is transmitted to the controller, and the controller controls the leveling oil cylinder to shorten and restore to the elevation angle when the leveling oil cylinder is balanced; the adjusting device is small in size, convenient to transfer and install, capable of closely monitoring elevation angle changes, capable of ensuring paving quality and easy and convenient to debug.

The invention discloses an ironing plate. The ironing plate comprises a main body (1) of the ironing plate. The ironing plate also comprises a distortion preventing device (2), wherein the distortion preventing device (2) is symmetrically installed at the back side of the main body (1) of the ironing plate relative to the center line (L-L) of the main body (1) of the ironing plate along the width direction of the main body (1) of the ironing plate; and moreover, the distortion preventing device (2) and the main body (1) of the ironing plate form a truss structure. The invention also discloses a spreading machine with the ironing plate. The integral bending rigidity and torsional rigidity of the ironing plate are better, and the phenomena of bending and torsional deformation are not easy to occur.

The invention relates to the technical field of rice airing, and discloses a paving device for rice airing which comprises two symmetrical frames, the front ends of the two frames are connected with a front paving mechanism, the rear ends of the two frames are connected with connecting frames, one end of each connecting frame is connected with a rear paving mechanism, a supporting plate is arranged between the two frames and located on the front surface of a driving bin, a second adjusting wheel is arranged on the upper surface of the supporting plate, and the lower end of the supporting plate is connected with a tedding mechanism. The distance between a push plate and the ground can be adjusted according to the amount of rice, so that the rice paving thickness is determined, the rice paving efficiency is improved, the tedding mechanism is used for raking and turning over the rice stacked thickly, the paving quality is guaranteed, in the later airing process, the rice which does not make contact with sunlight in the rice can be turned out, and the rice paving quality is improved. The paving device for rice airing is simple in structure, high in paving and airing efficiency, capable of remotely operating paving, time-saving and labor-saving.

The invention discloses a mixing method of a high-performance emulsified asphalt plant-mixed cold-recycling mixture, which comprises the following steps: mixing an old asphalt mixture with a new asphalt mixture according to a certain proportion, and then putting into a stirring tank body, wherein the stirring tank body is an elliptical top-opening tank body and is separated into two parts by a bent plate; putting the mixed new-old asphalt mixture into the first part and stirring; enabling the bent plate to rotate so that the mixture is driven to rotate and finally stop at a position where the mixture is limited in the second part; mixing the mixture with a certain amount of cement powder and aluminum smelting waste residue, and stirring; spraying a certain amount of emulsified asphalt into the mixture doped with the cement and aluminum smelting waste residue from the direction above the second part of the stirring tank body; squeezing in a certain amount of water through a bottom opening of the second part of the stirring tank body; and stirring. The method can improve the mixing quality of the emulsified asphalt and realize uniform coating of the emulsified asphalt so as to guarantee the pavement quality.

The invention discloses a paver with a novel mechanism and a paving process in the technical field of engineering machinery, and the paver comprises a walking device which comprises a crawler belt assembly, a speed reducer, a driving motor, a lifting supporting leg, a steering device, a machine body connecting plate and a lifting hydraulic cylinder body support; a driving motor rotating shaft is connected with the speed reducer to drive the track assembly to rotate; the crawler belt assembly, the speed reducer and the driving motor are mounted below the steering device; the lifting supporting legs are connected with the crawler belt through lifting hydraulic cylinder body supports; the walking device is connected with the whole machine body through a machine body connecting plate; the power device is used for providing power for the movement of the whole paver; the conveying device is used for conveying the materials; an attitude sensing and control system and a hydraulic system; the rear mold is arranged at the rear end of the walking device; the construction method mainly meets the construction requirements of narrow terrains such as rural roads and tunnel pavements.

The invention relates to construction equipment for public facilities. The purpose is to provide a pumping distributor for road paver, which should be able to effectively solve the problem of lateral segregation of pavement mixture caused by the screw distributor, slow distribution of materials restricting the paving speed, and convenient assembly and disassembly, and simple cleaning. . The technical scheme is: a pumping distributor for a road paver, characterized in that: the distributor comprises a semicircular steel pipe arranged below the rear hopper and arranged horizontally to receive the road mixture released by the rear hopper, and can be arranged along the semicircle. The steel pipe is axially moved to pump the piston of the road mixture, the first hydraulic cylinder that drives the piston, and the two axial ends of the semi-circular steel pipe are connected in series in a coaxial line, and each is provided with an opening extending along the bus bar for conveying the road mixture. Several sections of open steel pipes.

The invention discloses a floor tile improved structure comprising a floor tile body and a smooth enamel layer which is arranged on the upper surface of the floor tile body, wherein a plurality of water absorption holes are formed in the floor tile body, the water absorption holes extend along the length direction of the floor tile body and penetrate through the floor tile body, the water absorption holes are arranged along the width direction of the floor tile body, the section of each water absorption hole is a round hole of which the diameter is 3-3.5 millimeters, and the thickness of the floor tile body is 1-1.2 centimeters. Through such mode, the structure is simple and reasonable; and since the water absorption holes are formed, quick water absorption of a floor tile is facilitated, and the paving quality is ensured.