25results about How to "Improve paving effect" patented technology

The utility model relates to reinforcing mesh laying technical field, concretely relates to a bridge deck reinforcing mesh laying device, including the cushion block body, the downside of cushion block body is equipped with a plurality of support legs, still including the bearing plate and the clamping plate, the bearing plate is fixed at the cushion block body top, the top surface of bearing plate is uniformly recessed with four sliding slots, the sliding slot radial arrangement, every the sliding slot upside is equipped with the clamping plate, the clamping plate is the sector plate of the central angle 90 degrees, the tip of clamping plate is towards the central axis of bearing plate, the two radial sides of clamping plate are symmetrically equipped with V groove group, the V groove group is by two V grooves of up and down, and every V groove two ends respectively penetrate the arc surface and tip of clamping plate, and the slide rod slidingly connected in the corresponding sliding slot in the clamping plate bottom surface is equipped with in the sliding slot, is equipped with the limiting piece for limiting slide rod far away from the center of bearing plate. The utility model has solved the problem that the cushion block is difficult to limit and fix the longitudinal and transverse reinforcement of reinforcing mesh when using.

The utility model discloses a green belt soil flattening device for environmental protection construction, which belongs to the field of greening construction equipment and comprises a base and a protective box, the protective box is arranged on the upper surface of the base, a motor box is arranged on the inner bottom wall of the protective box, and a motor is fixedly mounted on the inner top wall of the motor box. The output end of the motor is fixedly connected with a rotating shaft, the bottom end of the rotating shaft is fixedly provided with a round broom, one side of the motor box is provided with a flattening device, one side of the flattening device is fixedly provided with a paving device, and one side of the paving device is provided with a watering device. Through the arrangement of a motor, a rotating shaft and a round broom, garbage in a green belt can be cleaned, the garbage is prevented from influencing the paving effect of the green belt, through the arrangement of a flattening device and a paving device, in the walking process of the device, a pressing roller can flatten soil of the green belt, and meanwhile, the flattening device is matched to flatten the soil of the green belt, so that the green belt is flattened. Therefore, the paving effect can be improved.

The utility model discloses a fair-faced concrete precast slab which comprises a regular hexagonal prism-shaped slab body (1), clamping heads (2) are arranged on three adjacent side walls of the slab body (1), and clamping grooves (3) matched with the clamping heads (2) are formed in the other three side walls of the slab body (1); a blind hole (4) is formed in the bottom of the plate body (1), six water grooves (5) are formed in the bottom of the plate body (1), the outer side ends of the six water grooves (5) are located on the six edges of the plate body (1) respectively, and the inner side ends of the six water grooves (5) are all communicated with the blind hole (4). An exhaust hole (6) communicated with the blind hole (4) is formed in the top surface of the plate body (1); the clamping groove (3) is a dovetail groove, and the clamping groove (3) is in clearance fit with the clamping head (2). The pavement structure has the advantages of being good in pavement effect and capable of preventing accumulated water from splashing.

The utility model discloses an asphalt paving and jolt-ramming device for municipal roads and bridges, which is applied to the field of paving and jolt-ramming devices and comprises a storage hopper, and supporting seats are symmetrically bolted on the front surface of the storage hopper; asphalt materials in the storage hopper can be discharged to one place through the feeding auger in the storage hopper, and then the asphalt materials stacked together can be uniformly paved on a pavement needing to be repaired through the matching of the flattening auger and the flattening baffle, so that the paving uniformity of the asphalt materials during paving is guaranteed, the different thicknesses of the asphalt materials are prevented, and the pavement repairing efficiency is improved. An adjusting lead screw is installed on a supporting seat, when the adjusting lead screw rotates, under the action of a supporting guide rod, the distance between connecting blocks and the supporting seat can be driven to be adjusted, and therefore the height of a flattening auger and the height of a flattening baffle between the two connecting blocks are driven to be adjusted; the purpose of controlling the thickness of the asphalt material after blanking is achieved, and the practicability is improved.

The invention discloses a spreading device of an X-ray sorting machine and a spreading method of the spreading device. The spreading device of the X-ray sorting machine further comprises a stacking opening, a supporting frame, a quantifying assembly, a conveying assembly, a synchronizing assembly and a spreading assembly. The stacking opening is formed in the top of the machine body, the bottom of the stacking opening extends into the machine body and is provided with a quantifying assembly, the supporting frame is arranged on one side of the machine body, and one end of the supporting frame extends into the machine body and is provided with the conveying assembly corresponding to the quantifying assembly; and the quantifying assembly is used for quantitatively outputting stacked materials in the stacking opening to the top end of the conveying assembly, and the quantifying assembly drives the flattening assembly to slide back and forth through the synchronizing assembly to process the materials on the conveying assembly.

The present application relates to a kind of surface layer silicon source enrichment type ablation-resistant prepreg and its preparation method.The method first uses the inner impregnation solution containing boron phenolic resin and curing agent to impregnate quartz fiber fabric and discharge, and forms main body impregnation layer;Then the surface is treated with surface back wetting liquid containing boron phenolic resin and superfine silicon powder, and the maturation below gel temperature is obtained after discharge and lowing, to obtain ablation-resistant prepreg.The method can make superfine silicon powder more stably arranged in surface layer area, form boron-containing silicon vitrification protective structure in the ablation process, and improve the problem of local ablation deepening in edge area.

The invention provides dewatering equipment and a cloth pushing and spreading device thereof.The cloth pushing and spreading device of the dewatering equipment comprises a spreading body, a spreading opening is formed in the bottom of the spreading body, a cloth pushing head obliquely extending downwards is arranged at the front end of the spreading body, and the first end of the cloth pushing head is connected with the spreading body; a second end opposite to the first end is lower than the first end, and the position of the second end of the cloth pushing head in the direction perpendicular to the bottom of the material spreading body is changeable. The cloth pushing head which obliquely extends downwards is arranged at the front end of the spreading main body, so that in the cloth pushing and spreading process of the spreading main body, filter cloth is dragged out from a cloth roller by the cloth pushing head, the filter cloth below the spreading main body is stretched to be flat by utilizing counter-acting force, and meanwhile, materials are spread on the filter cloth below the spreading main body; the laying effect of the filter cloth can be guaranteed, meanwhile, a space for laying materials can be reserved between the filter cloth below the material laying main body and the material laying opening, and the materials can be prevented from being adhered to the material laying main body.

The present invention provides a cumulative filter pressing and dehydration device for water-containing materials, comprising: a filter cylinder, in which several layers of materials to be processed wrapped by filter cloth are laid up and down in the filter cylinder; an extrusion device, which is arranged above the filter cylinder and comprises an extrusion plate for extruding the materials in the filter cylinder; the extrusion plate comprises a main body, and a protrusion protruding downward is arranged on the bottom surface of the main body, and the cross section of the protrusion gradually decreases from top to bottom. Through the above arrangement, the middle part of the bottom surface of the extrusion plate protrudes downward, so that the extrusion force of the middle part of the bottom surface of the extrusion plate on the material is greater than the extrusion force on the material near the edge, so that the water in the material has a flow trend from the middle part of the filter cylinder to the edge of the filter cylinder, thereby improving the dehydration effect on the material; at the same time, it can also prevent the edge of the filter cloth from being stuck between the movable bottom plate and the inner peripheral wall of the cylinder body, and in the water outlet hole on the inner peripheral wall of the cylinder body, so that the cloth rolling and unloading process can be carried out smoothly, and the filter cloth can be prevented from being torn, thereby improving the service life of the filter cloth.

The invention discloses a high-power paver 3D intelligent asphalt concrete pavement paving construction device and method, and relates to the technical field of pavement material paving devices. The 3D intelligent asphalt concrete pavement paving construction device of the high-power paver comprises a bottom plate, rollers are fixedly connected to the bottom of the bottom plate, a supporting mechanism is fixedly connected to the top of the bottom plate, and the supporting mechanism comprises a first supporting block. According to the intelligent asphalt concrete pavement paving construction device and method for the high-power paver D, second spiral blades are arranged, the second spiral blades are driven through rotation of a third motor, the higher the rotating speed is, the less the pavement material falls, and on the contrary, the descending speed of the pavement material is controlled; and the paving material is further uniformly distributed, so that the paving material can be uniformly discharged, the paving material is prevented from being accumulated at the discharge port of the device, and the paving effect of a subsequent device structure on the paving material is improved.

The utility model provides a cloth and pulp mixing all-in-one machine for home textile cloth. The cloth and pulp mixing all-in-one machine comprises a base; the cloth placing assembly is arranged at one end of the base, and a cloth distributing assembly is arranged at the other end of the base; and the supporting seat is fixedly installed at the top of the base, a first rotating rod is fixedly installed on the inner side face of the supporting seat, a rotating shaft is rotationally connected to the outer side face of the first rotating rod, and a top plate is fixedly installed at the top of the supporting seat. According to the cloth distributing and pulp distributing all-in-one machine for the home textile cloth, the supporting base, the first rotating rod, the rotating shaft, the moving frame, a second rotating rod, a pressing roller, a top plate, a limiting rod, a spring and other structures are matched with one another, and when the machine is used, the moving frame is pushed downwards through elasticity of the spring; and therefore, the downward moving pressure of the pressing roller can be increased, and the effect of flattening the cloth is improved.

The utility model relates to the technical field of geotechnical cloth paving, in particular to a geotechnical cloth paving device for highway engineering construction, which comprises a plate trailer, a guide roller frame is mounted on the left side of the top of the plate trailer, a support frame is mounted in the middle of the plate trailer, an electric push rod a is arranged at the top of the support frame, and a lower press roller is mounted at the output end of the electric push rod a. A containing roller is arranged on the right side of the supporting frame, a fixing frame is installed on the right side of the top of the plate trailer, an electric push rod b is installed on the top of the fixing frame, a moving block is fixedly connected to the output end of the electric push rod b, and a connecting block is arranged at the bottom of the moving block. The road paving device has the beneficial effects that the electric push rod b is started to drive the brush to be tightly attached to the surface of a road, and a worker does not need to manually clean the road surface in the paving process, so that the worker can conveniently use the road paving device, the cleaning effect is improved, meanwhile, the possibility of damage to geotechnical cloth can be reduced, and the paving effect and the paving efficiency are improved.

This utility model relates to the field of heat sealing technology, and more particularly to a high-strength heat sealing component for an automatic packaging machine based on PLC. It primarily addresses the problem that wrinkles occur at the PLC opening during batch heat sealing, leading to poor sealing and air leakage, resulting in low PLC packaging efficiency. The proposed technical solution includes a packaging platform, a pressing block on top of the packaging platform, a base fixedly connected to the bottom of the packaging platform, and a bonding wheel abutting the top of the packaging platform. This utility model uses the pressing block to press down on the packaging platform for heat sealing. The pressing down of the pressing block drives a threaded rod to rotate, which in turn drives a gear to rotate. This gear then drives the bonding wheel to roll and flatten the PLC opening placed on the packaging platform, thus pressing the pressing block against the packaging platform for heat sealing. This increases the flattening effect of the PLC opening and improves the PLC packaging effect.

This invention relates to the field of conveyor technology, specifically a belt conveyor with a material distribution function. It includes a conveyor body, a leveling component, a chili leaf removal component, a chili stirring component, an opening and closing component, and movable baffles. The leveling component is used to spread the chilies added to the feeding hopper evenly on the conveyor belt. The leveling component includes multiple rotatable stirring plates, each with a large chili leaf passage opening on its side. The chili leaf removal component is rotatably disposed within the feeding hopper. This invention effectively improves the working efficiency of the chili leaf removal component, thereby enhancing the quality and efficiency of the entire leveling and subsequent material distribution and sorting process. Furthermore, by removing most of the chili leaves, a certain spacing is maintained between the chilies, preventing them from piling up due to crowding during transport, allowing them to be arranged in an orderly manner, and avoiding them getting stuck in the gap between the leveling component and the conveyor belt.

The invention relates to a road paver (1). Comprising a tractor (2), at least one traction arm (4), a screed assembly (3) attached to a traction point (5) of the tractor (2) via the at least one traction arm (4), a leveling cylinder (8) adapted to adjust the position, in particular height, of the traction point (5), a screed lift cylinder (10) adapted to adjust the contact pressure of the screed assembly (3), a first measuring device (59) adapted to determine the screed height (55) of the screed assembly (3), second measuring means (61) adapted to determine the angle of attack (14) of the screed assembly (3); and feedback control means (50) adapted to control the leveling cylinder (8) and the screed lift cylinder (10). The invention also relates to a method for feedback control of the position of a screed assembly (3) and to the use of a feedback control device (50) for feedback control of an angle of attack (14) and a screed height (55) of a screed assembly (3).

The utility model discloses a road subgrade paving device for road construction. The road subgrade paving device comprises a vehicle body, a carriage fixedly installed on the upper side of the middle of the vehicle body and a bearing plate fixedly connected with the lower side of the left end of the vehicle body. A controllable discharging structure and a uniform discharging and paving structure are arranged on the inner side of the left end and the left side of the lower end of the compartment correspondingly, the controllable discharging structure comprises an inclined plate, a baffle, an electric telescopic rod and a mounting sleeve, and the uniform discharging and paving structure comprises a connecting sleeve, a flow dividing partition plate, a fixing plate, a scraping plate, a groove and a locking screw; and a spraying dust falling structure is arranged on the lower side of the left end of the vehicle body. According to the road subgrade paving device for highway construction, the connecting sleeve and the scraping plate are convenient to replace, so that the road subgrade paving device is suitable for paving subgrades with different widths, uniform discharging is convenient, the height of the fixing plate is adjusted according to requirements, the paving effect is good, water spraying and dust falling are convenient, and air pollution is reduced.

The invention provides an interlayer stacked material spreading dehydration device and a multi-station combination method, the interlayer stacked material spreading dehydration device comprises: a frame arranged on one side of a filter cylinder; the cloth pushing and spreading device is mounted on the rack, reciprocates above the filter cylinder along the horizontal direction, and is used for laminating and spreading the filter cloth in the filter cylinder and spraying and unloading materials onto the filter cloth; and the filter cloth distributing and unloading winding device comprises a cloth roller rotatably mounted on the rack and a plurality of cloth guide rollers parallel to the cloth roller, the filter cloth is wound on the cloth roller in a rolling manner, and the filter cloth sequentially bypasses the cloth guide rollers and extends to the front side of the cloth pushing and spreading device along the feeding direction from the upper part of the cloth pushing and spreading device. By means of the arrangement, the dehydration equipment capable of laying materials in an interlayer stacking mode can be compact in layout, the occupied area is reduced, and meanwhile the positioning accuracy between the filter cloth laying and discharging rolling device and the cloth pushing and laying device is guaranteed.

The utility model relates to a vertical wall waterproof roll paving device. According to the utility model, the hanging and pulling bracket is matched with the manual winch to hoist the paving frame provided with the heating spray gun device and the waterproof coiled material, and the unfolded waterproof coiled material is heated through the heating spray gun device in the process of lifting the paving frame upwards by winding a rope through the manual winch; the whole process can be completed through one-person operation, workers do not need to carry out high-altitude operation in the construction process, operation is convenient and easy, the paving effect is good, the paving efficiency can be effectively improved, and the labor intensity and potential safety hazards of the constructors are reduced.

The utility model relates to the technical field of viscose yarns, and discloses viscose yarn carding equipment which comprises a carding box, a first support arranged at the bottom of the carding box, a second support arranged at one end of the first support, a feeding bin arranged at the top of the second support, a caterpillar band arranged in the feeding bin and used for conveying cotton, an automatic flattening mechanism arranged in the feeding bin and used for flattening the cotton, and a cotton feeding mechanism arranged on the caterpillar band. The automatic flattening mechanism is arranged at the upper end of the feeding bin and used for automatically flattening cotton on the crawler belt so as to ensure the uniformity of subsequent cotton carding, and the cotton carding mechanism is arranged in the cotton carding box, located behind the automatic flattening mechanism and used for opening, carding and impurity removal of the flattened cotton. Tediousness and non-uniformity of manual paving are avoided, and production efficiency and product quality are improved.

The present invention relates to the field of road paving equipment, and discloses a road paving equipment and an intelligent heating system thereof, comprising a frame, an extrusion wheel, an asphalt tank, a limiting structure, a cooling component, and a dispersion plate. The asphalt tank is arranged at the upper end of the frame, and the dispersion plate is arranged at the lower end of the frame corresponding to the asphalt tank. The lower end of the asphalt tank is provided with three discharge ports for discharging asphalt heated into a viscous state onto the dispersion plate through the discharge ports. The road paving equipment of the present invention cleverly integrates a limiting structure while extruding the asphalt layer. This design effectively prevents the asphalt layer from falling from the edge of the road surface during the extrusion process. The extrusion wheel applies mechanical force to the asphalt layer spread on the road surface, which not only eliminates gaps and bubbles and improves the flatness and density, but also the limiting structure ensures that the asphalt layer can remain stable when being squeezed and will not exceed the predetermined paving range.

This invention relates to the field of recycled pavement base paving equipment, and in particular to a recycled cement concrete pavement base material paving equipment. Addressing the problem in existing technologies where vibrating rods always move in a straight line, easily causing longitudinal concrete breakage, this invention provides a recycled cement concrete pavement base material paving equipment. It includes a rotatable vibrating cylinder that rotates when an automatic paver moves. Multiple detachable vibrating rods are mounted on the circumferential surface of the vibrating cylinder. During use, the vibrating cylinder rotates synchronously with the automatic paver, moving at the same speed. As the automatic paver moves, the vibrating cylinder rotates synchronously, allowing the vibrating rods to be inserted into the base material sequentially to vibrate it and then withdrawn as the cylinder rotates. This prevents the vibrating rods from moving within the base material and causing longitudinal concrete breakage.

The utility model discloses a road construction paving device which comprises a paving vehicle, the paving vehicle comprises a vehicle frame, a discharging box is arranged on the vehicle frame, an adjusting air cylinder and an adjusting box are arranged on the vehicle frame, a material stirring rod and a material stirring blade are arranged in the adjusting box in a rotating mode, a plurality of steering seats are arranged on the vehicle frame, steering shafts are arranged on the steering seats, connecting rods are arranged on the steering shafts, and the connecting rods are arranged on the connecting rods. A road pressing roller is rotatably arranged on the connecting rod, a driving frame is arranged on the frame, a hydraulic cylinder is hinged to the driving frame, a driving shaft is hinged to the output end of the hydraulic cylinder, a cleaning shaft is arranged on the connecting rod, a scraper blade is arranged on the cleaning shaft, and a torsional spring is arranged between the cleaning shaft and the connecting rod. The paving effect is improved, a hydraulic cylinder drives a driving rod and a steering rod to rotate, then a connecting rod and a road rolling roller are driven to conduct downward rolling, the asphalt paving effect and paving efficiency are improved, and asphalt on the road rolling roller is cleaned through a scraper blade.

The present invention belongs to the technical field of forage grass planting and cultivation, and specifically relates to a forage grass planting and cultivation device, including a box body and a fixed frame, a connecting frame fixedly connected between the box body and the fixed frame, a cultivation box hinged on the bottom side wall of the box body, a paving mechanism and an auxiliary material dropping mechanism are provided on the cultivation box, and a tilting and straightening component is provided below the cultivation box. The forage grass planting and cultivation device is used for the forage grass planting and cultivation device. When the box body discharges the germinated seeds inside, the cultivation box is in a tilted state, and at the same time, the output shaft of the motor one rotates clockwise, and the seeds discharged from the box body will not slide out of the right side of the cultivation box. After the cultivation box is in a parallel state, when the output shaft of the motor one rotates counterclockwise, the seeds in the cultivation box can be paved by an electric telescopic paving plate, and the operation speed is fast, which improves work efficiency.

The present application discloses a color strip cloth paving structure, comprising a fixing device arranged along the transverse direction of a dam body and a guiding device arranged along the longitudinal direction of the dam body, wherein a plurality of guiding devices are arranged at intervals along the transverse direction of the dam body, the top of the guiding device is slidably connected to the fixing device, the guiding device can move along the transverse direction of the dam body, and a paving space for paving bundles of color strip cloth is formed between adjacent guiding devices. The color strip cloth paving structure makes paving convenient, does not require a large amount of manpower for boundary control, and is not easily affected by external factors (such as wind force). During use, the width of the paving space between adjacent guiding devices can be adjusted according to the width of the color strip cloth, so that the color strip cloth is paved in a set direction, even if the color strip cloth is advanced in an orderly manner according to the standard paving operation process, the requirements for unified scheduling and cooperation capabilities of paving personnel are reduced. The paving method using the color strip cloth paving structure is applied to emergency rescue, and has high paving efficiency and good paving effect.

The utility model provides efficient asphalt paving equipment for road and bridge construction, which relates to the technical field of road construction and comprises a paving frame body, a distribution control box, a lifting adjusting seat, a barre, a walking bracket, a paving frame and a paving plate, a distribution control box is fixedly mounted at the upper end of the paving frame body, and a controller and a storage battery are arranged in the distribution control box; walking brackets are respectively arranged at four corners of the bottom of the paving frame body; a vertical plate is vertically and upwards arranged on the edge of one end of the paving frame body, and a horizontal lifting adjusting seat is vertically and fixedly arranged in the middle of the outer side wall of the vertical plate. Asphalt adhered in the rotating process of the walking roller can be scraped off through the cleaning knife, and the asphalt can be discharged on a forward walking path, so that the walking roller can flatten again, the asphalt paving effect is improved, and the asphalt paving efficiency is improved. And the problem of large-area adhesion peeling of the asphalt which is flattened for the first time due to the fact that too much asphalt is adhered to the cleaning knife is solved.

The application provides an outer heat-proof load-bearing and inner heat-insulating integrated cover body and a preparation method thereof, and belongs to the technical field of load-bearing and heat-proof integrated composite materials. The cover body comprises an outermost heat-proof load-bearing layer, an innermost heat-insulating layer and an intermediate adhesive film layer. The heat-proof load-bearing layer is made of fiber reinforced benzoxazine resin, the heat-insulating layer is made of phosphazene rubber, silicone rubber or nitrile rubber, and the adhesive film layer is made of modified benzoxazine adhesive film. The application realizes co-curing of the outer heat-proof load-bearing layer and the inner heat-insulating layer, and solves the interface problem of the outer heat-proof load-bearing layer and the inner heat-insulating layer through preparation and coating of the modified benzoxazine adhesive film.