32results about How to "Improve maintenance effect" patented technology

The utility model relates to the technical field of concrete electric poles, and discloses a concrete electric pole production energy-saving maintenance device which comprises a maintenance mechanism, an adjusting mechanism is installed on the inner wall of the maintenance mechanism, a supporting mechanism is arranged in the maintenance mechanism, and a concrete electric pole body is installed on the inner wall of the supporting mechanism. A steam mechanism is installed on the inner wall of the curing mechanism, a drainage mechanism is installed on one side of the curing mechanism, the adjusting mechanism comprises a supporting frame, the outer portion of the supporting frame is fixedly connected to the inner wall of the curing mechanism, and a first motor is fixedly connected to the top of the supporting frame. According to the electric pole steam spraying device, gas in the steam box is sucked through the draw-off pump, enters the flow dividing pipe through the connecting pipe and is finally sprayed out through the spraying head, the first motor drives the rotating plate to rotate, drives the follow-up plate to move and controls the limiting block so as to adjust the positions of the flow dividing pipe and the spraying head, and it is guaranteed that steam is evenly sprayed to the surface of an electric pole.

The present application relates to the field of plunger pump, disclose a kind of slurry separation structure and plunger slurry pump, including pump body, flow guide pipe is equipped in pump body, the middle part of flow guide pipe is equipped with the isolation ring that follows plunger movement and moves up and down with action.Pumper upper part side end is equipped with plunger channel with medium oscillation cavity communication, plunger channel is connected with packing box, packing box is equipped with plunger, which can reciprocate transversely in plunger channel, flow guide pipe is located outside the lateral of plunger activity range.The present application can separate slurry medium, and effectively avoid the full turbulence of backwash medium and slurry medium, and plunger can be removed from the front end of pump body for maintenance, due to the existence of turbulence isolation ring, effectively shorten the size of pump body, improve the reliability of pump, maintainability, reduce manufacturing cost and improve the service life of spare parts.

The invention discloses a concrete curing device for road construction, and relates to the technical field of concrete curing, the concrete curing device comprises a bottom plate, four telescopic pieces are arranged below the bottom plate, moving wheels are connected below the telescopic pieces, the left end of the bottom plate is connected with a traction block, a water tank is arranged on the bottom plate, and a filling port is formed in the water tank; first ends of two connecting pipes are respectively connected below the bottom plate below the water tank, second ends of the two connecting pipes are connected with the same distributive pipe, a plurality of nozzles are respectively arranged below the distributive pipe, the first ends of the two connecting pipes respectively penetrate through the bottom plate and are communicated with the bottom wall of the water tank, and a cleaning mechanism for cleaning a road surface is arranged below the bottom plate on the left side of the distributive pipe; collecting mechanisms for collecting cleaned sundries are arranged on the two sides of the cleaning mechanism, and the collecting mechanisms are driven by the cleaning mechanism; two first fixing plates are arranged below the bottom plate on the right side of the water distribution pipe, and a first rotating shaft is rotationally arranged between the two first fixing plates; the device is simple and reliable in structure, good in concrete curing effect, convenient to control and suitable for popularization.

This invention relates to the field of railway bridge pier maintenance technology, specifically a smart maintenance system for high-speed railway bridge piers. It includes two symmetrically locked, arc-shaped support frames on the upper arc-shaped structure of the pier. Each support arc-shaped support frame is connected to a spraying component. Locking components are provided on the sides of the support arc-shaped support frames corresponding to the pier for securing them to the pier. This system can perform comprehensive spraying maintenance on bridge piers of different models. Simultaneously, the locking components in this system can stably lock the support arc-shaped support frames to the arc-shaped structure at the upper end of the pier and its top connecting protrusion, thus preventing the spraying pipes from loosening. The system can automatically control the system to perform timed spraying maintenance on the bridge piers through a central control module. A humidity sensor can determine whether it is raining; spraying maintenance will not be performed during rainy weather, and spraying maintenance will stop if rainfall occurs during the spraying process.

This invention discloses a health insole containing Atractylodes lancea and its manufacturing process, comprising a breathable surface layer, an Atractylodes lancea functional layer, and an elastic base layer arranged sequentially from top to bottom. The Atractylodes lancea functional layer contains microcapsules containing active ingredients, enabling the slow release of these active ingredients and their efficacy. The Atractylodes lancea functional layer employs a "locally thickened Atractylodes lancea functional layer" design in key areas such as the sole and heel of the insole to enhance the herbal care effect. The breathable surface layer has ventilation channels to achieve "strong antibacterial effect during use and energy-saving and efficacy-preserving effect when idle." This application solves the problems of easy attenuation of the efficacy of traditional Chinese medicine in existing insoles, rapid release of medicinal properties, lack of targeted care for key areas, and poor prevention and treatment effects. It precisely matches the foot health function needs under different states of idle and active use, balancing wearing comfort and health practicality.

This utility model discloses a concrete curing device for concrete preparation, belonging to the technical field of concrete curing devices. It includes a liquid storage tank, casters rotatably connected to the bottom of the tank, and a push handle welded to the end face of the tank. A support frame is welded to the end face of the tank, and a spray assembly is installed below the support frame. The tank is filled with liquid water. Construction workers push the tank, and a booster pump pressurizes the liquid water, which is then sprayed onto the concrete surface through a spray pipe and a spray hood at the bottom of an extension pipe, providing excellent curing results. The mounting base and the end of the extension pipe are fixedly connected. Depending on the span of the concrete structure, the extension plate is rotated relative to the support frame, and then the extension bolts are tightened. The insertion end of the extension bolt extends into the threaded groove, thereby adjusting and fixing the angle and position of the extension pipe, increasing its span, and improving curing efficiency during spraying.

The application belongs to the technical field of commercial display equipment, and discloses a supermarket flower shop display stand, which comprises a stand column, the four sides of the stand column are fixed with display stands, adjacent display stands are connected with placing seats, and the top surface of the placing seat is provided with an extension platform; a ladder platform is arranged in the display stand, the surface of the ladder platform is paved with a water absorption cloth, and a conveying pipe with discharge holes is horizontally arranged above the water absorption cloth; an installation groove is arranged in the lower part of the display stand, a water storage tank, an atomizer and a pressure water pump are arranged in the groove, the atomizer is connected with the water storage tank through a connecting pipe, and the output end is connected with the conveying pipe; the surface of the extension platform and the ladder platform is inlaid with a pressure sensor, the placing state of goods can be monitored, and a reminder can be sent to a management terminal when goods are not replenished in time. The supermarket flower shop display stand has the functions of integrated automatic atomization and moisture retention, reduces the artificial maintenance cost, can receive condensed water to avoid dripping, and has a four-side display layout which is suitable for the supermarket scene, matched lamp strips which can improve the display effect, and high practicability.

The utility model relates to the technical field of garden maintenance, in particular to a garden permeable pavement maintenance device which comprises a maintenance sweeping table, a dust collector and a flushing storage box are arranged at the top of the maintenance sweeping table, and a sweeping maintenance frame is hinged to the side face of the maintenance sweeping table. According to the utility model, the dust collection cleaning end is arranged and is communicated with the dust collector through the movable adjusting hose, dust and stones can be adsorbed by the dust collection cleaning end, and the lifting control frame can control the dust collection cleaning end to lift and can be tightly attached to the ground to adsorb and clean the stones and the dust in gaps of the road surface; a flow guide water pipe and a flow guide pump body can pump out a water source in a flushing storage tank, a spraying head is used for flushing and spraying, a cleaning roller body assists in cleaning, the road surface flushing and maintaining effect is good, the cleaning quality is excellent, the device can efficiently conduct dust absorption cleaning and water source flushing cleaning, and the cleaning quality of silt and stone in the deep position of the crack ground and the ground surface is high; cleaning is convenient and efficient.

The application discloses a concrete curing device and method for concrete preparation, which comprises a supporting plate, a frame assembly is fixedly connected to the top surface of the supporting plate, two supports are symmetrically and fixedly connected to the top end of the frame assembly, a watering assembly is fixedly connected between the two supports, a forming mechanism is fixedly connected in the inner cavity of the frame assembly, the forming mechanism comprises two first curing assemblies which are symmetrically and fixedly connected to the inner cavity of the frame assembly, a push plate and a baffle are respectively arranged between the two first curing assemblies, a drive machine is drivingly connected to the push plate, a concrete plate is arranged in the enclosed area between the first curing assemblies, the push plate and the baffle, a second curing assembly is arranged on the bottom surface of the concrete plate and the bottom surface of the forming mechanism, and the second curing assembly is communicated with the frame assembly; a third curing assembly is arranged on the top surface of the concrete plate, and the third curing assembly is fixedly connected with the two supports. The application can reduce the frequency of manual operation, optimize the environment for concrete solidification and improve the quality of the concrete plate.

The utility model relates to the field of pavement construction, and discloses a concrete pavement construction film covering device which comprises a main supporting frame, auxiliary adjusting frames are symmetrically and movably installed below the main supporting frame, and a distance adjusting mechanism is further arranged in the main supporting frame and used for adjusting the distance between the two auxiliary adjusting frames. A supporting roller is rotationally installed on one side of the outer surface of the auxiliary adjusting frame, a fixing rod is fixedly installed in the middle of one side of the inner wall of the auxiliary adjusting frame, the outer surface of the fixing rod is sleeved with a film roller, a bearing support is fixedly installed on one side of the upper surface of the auxiliary adjusting frame, and a movable supporting plate is rotationally installed in the bearing support; by sleeving the film on the film roller, fixing the starting end of the film on the supporting rod and pushing the device, the film is stably unfolded to cover the road surface, compared with the prior art, the device effectively reduces the labor intensity of workers, remarkably improves the film covering efficiency, guarantees the flatness and compactness of film laying, and reduces the labor intensity of the workers. And the curing effect of the concrete is further improved.

The invention discloses a concrete curing system and method based on multi-technology fusion, and belongs to the technical field of concrete curing. The problems that an existing concrete curing technology is long in period and single in efficiency are solved. The device comprises a curing box body, a microwave acceleration curing module, a CO2 curing module and a microorganism curing module, wherein the curing box body is sequentially provided with a microwave acceleration area, a CO2 curing area and a microorganism curing area from front to back; the microwave acceleration curing module is arranged in the microwave acceleration area and is used for heating the concrete test piece; the CO2 curing module is arranged in the CO2 curing area and is used for performing pressurized carbonization curing on the concrete test piece; the microorganism curing module is arranged in the microorganism curing area and is used for repairing micro-cracks appearing on the concrete test piece. The concrete test piece curing device is mainly used for curing concrete test pieces.

The application relates to a bridge substructure concrete curing device and method, which comprises a guide rail, a mounting plate, a driving mechanism, a lifting mechanism, a spraying mechanism and a film covering mechanism. The guide rail is annular and horizontally sleeved outside a bridge pier. The mounting plate is slidingly arranged on the guide rail. The lifting mechanism is arranged on the bridge pier and connected with the guide rail. The lifting mechanism is used for driving the guide rail to move in the vertical direction. The driving mechanism is arranged on the mounting plate. The driving mechanism is used for driving the mounting plate to move along the guide rail. The spraying mechanism and the film covering mechanism are both arranged on the mounting plate. The spraying mechanism is used for spraying the surface of the bridge pier. The film covering mechanism is used for laying a plastic film on the surface of the bridge pier. The application has the effect of facilitating comprehensive maintenance of the bridge pier.

The utility model relates to the field of engineering construction provides an accessory engineering maintenance device, include: maintenance support, be applicable to support on the ground of the area to be maintained, and, maintenance support covers the top of at least part area to be maintained, spray structure, arrange in maintenance support, the spray area of spray structure covers at least entire area to be maintained, water supply system is connected with spray structure, is used for water supply for spray structure, when needing to maintain the area to be maintained, utilize water supply system to water supply for spray structure, and spray structure can spray water to maintain the area to be maintained, since spray structure is arranged in the top of the area to be maintained, and thus its spray area can cover at least entire area to be maintained more simply, make it can more evenly and comprehensively spray each position of the area to be maintained, and the maintenance effect obtains the very big promotion, in addition, need not water cart regularly to go to the area to be maintained and carry out the water spraying work, and the maintenance process is more convenient and simple.

The invention discloses a concrete precast beam solar curing shed and a curing control method thereof, and relates to the technical field of concrete curing, the concrete precast beam solar curing shed comprises a curing shed main body, the curing shed main body is composed of a shed frame and a first tarpaulin, a second tarpaulin is arranged on the outer side of the first tarpaulin, and an air chamber is formed between the second tarpaulin and the first tarpaulin; a solar panel is arranged at the top of the shed frame and electrically connected with a storage battery, a plurality of first ventilation pipes are arranged in the first awning cloth and connected with an air heater, the solar panel, the storage battery and the air heater are all located outside the second awning cloth, and the air heater is electrically connected with the storage battery. A high-temperature and high-humidity environment is formed by continuously introducing humid and hot air and cooperating with the spraying assembly, and a heat preservation layer is formed in the curing shed by introducing hot air into the air chamber, so that external cold air is prevented from invading.

This utility model discloses an integrated device for casting and static curing of autoclaved aerated concrete (AAC) blocks, relating to the field of concrete block casting technology. It includes a workbench, a static curing chamber, and casting templates. A support plate is slidably connected to the upper side of the workbench. A translation mechanism is installed between the support plate and the workbench. A mounting base is fixedly connected to the upper side of the support plate. The casting mechanism is installed on the upper side of the workbench. A fixing base is fixedly connected to the outside of one set of second templates. A leveling mechanism is installed between the fixing base and the second templates. A retracting mechanism is installed outside another set of second templates. A drying mechanism is fixedly installed on the top inner side of the static curing chamber. Two sets of air guides are fixedly connected to the inner side of the static curing chamber. During concrete leveling, the device uses magnetic counterweight to link with a waterproof cloth to achieve automatic resetting and cyclical operation of the scraper. During static curing, the inclined air guides direct the heat flow to the side of the block, avoiding direct airflow that could cause cracking while accelerating moisture evaporation, achieving efficient synergy between leveling and drying.

The utility model discloses a kind of block steam curing devices, including steam generator and curing chamber, the side of the curing chamber is rotatably provided with door group and is internally provided with spraying assembly, spraying assembly includes the multiple groups of spray pipes that are respectively arranged on the side wall and top wall of curing chamber and the multiple groups of spray heads that are arranged on it, the spray pipe is connected with the gas outlet pipe that is provided on steam generator by pipeline that is arranged outside curing chamber and is communicated, and pipe valve is installed on the multiple groups of branch pipes that are respectively communicated with multiple groups of spray pipes on pipeline, the spray pipe is detachably installed in curing chamber by rotatably arranged connection seat at both ends. The block steam curing device can further improve the curing effect and curing efficiency of the block, facilitate operation while not easy to cause the phenomenon of steam and other spraying medium waste, improve the utilization rate of steam.

The utility model discloses special steam maintenance equipment of coal gangue hollow brick, including the casing, be provided with the inner chamber in the casing, the inner bottom of inner chamber is equipped with the shunt groove, and the notch of shunt groove installs the baffle, steam maintenance mechanism, steam maintenance mechanism includes the steam generator of installing in the right side of casing, the gas outlet of steam generator extends to the inner bottom of shunt groove, and the baffle is equally spaced and is provided with a plurality of groups of air holes, and every group air hole is by four first hole body and four second hole body constitutes, recovery mechanism, recovery mechanism is used for recycling steam, and recovery mechanism includes the water tank of fixed connection on the upper end of casing, and the inner top space communication of inner chamber has the communicating pipe. The maintenance equipment in the process of using, utilizes internal external steam injection simultaneously, can improve the maintenance effect, and the redundant steam can be recycled, reduces the waste of water resources.

The present application relates to the technical field of concrete curing agent, more particularly, to a curing agent for concrete pipeline and a preparation and construction method thereof.The present application aims to solve the problems of poor adhesion, low water retention rate and insufficient physical strength of the existing curing agent.The first object of the present application is to provide a curing agent for concrete pipeline, which comprises the following components by weight:100-160 parts of single-component polyurea;30-50 parts of diluent;10-20 parts of Portland cement;6-10 parts of slag powder.The second object of the present application is to provide a preparation method of the curing agent for concrete pipeline.The third object of the present application is to provide a construction method of the curing agent for concrete pipeline.

This invention relates to the field of road construction equipment technology, and discloses a concrete curing and covering device for road construction. The device includes an L-shaped mounting frame with an adjustable membrane cylinder positioning shaft and an adjustable mounting bracket mounted on its upper part. The adjustable membrane cylinder positioning shaft is rotatably mounted between the adjustable mounting bracket and the upper part of the mounting frame. An adjustable water pipe and a pressing roller are mounted on one side of the lower part of the mounting frame. The ends of the water pipe and the pressing roller are mounted on a mounting plate. An adjustment component that drives the mounting plate to move up and down is mounted on the lower side wall of the mounting frame. Multiple spray heads are equidistantly mounted on the lower side of the water pipe, and their ends are connected to water delivery hoses. The pressing rollers are covered with protective soft sleeves. With this structure, the invention has the following advantages: the adjustable membrane cylinder positioning shaft and the adjustable mounting frame provide strong adaptability and convenient adjustment; it integrates wetting and covering functions; and the covering adheres tightly and provides high quality.

This invention relates to a live-installable anti-adhesion isolation clamp and method for transmission line sub-conductors, belonging to the field of transmission line operation and maintenance technology. The technical solution is as follows: a lightweight heavy-duty drone (22) lifts the isolation clamp (24) and flies it above the double-split sub-conductors, with the two split sub-conductors (21) entering the upper and lower clamps of the isolation clamp respectively; after monitoring the split sub-conductors entering the upper or lower trench, the drone locks the split sub-conductors within the upper and lower trenches; the installation device separates from the isolation clamp, and the installation device is brought back by the lightweight heavy-duty drone for reuse. This invention uses a drone as a carrier, combined with the anti-adhesion isolation clamp and installation device, eliminating the need for contact with the conductors and high-altitude operations, resulting in high safety, fewer personnel, and low operating costs; it can eliminate the defects of adhesion and whipping of split sub-conductors in transmission lines, avoiding the resulting equipment damage and greatly improving the safety level of transmission line operation.

The utility model relates to an efficient prefabricated part steam curing device which comprises a main body and a steam generator, the main body is connected with the steam generator through an air pipe, the air pipe comprises an upper air pipe and a lower air pipe, and an upper air outlet mechanism, a lower air outlet mechanism and a supporting mechanism are arranged in the main body. The steam generator is communicated with the upper steam outlet mechanism through an upper steam pipe, the steam generator is communicated with the lower steam outlet mechanism through a lower steam pipe, the upper steam outlet mechanism comprises three steam outlet units, and each steam outlet unit comprises a steam outlet disc and a rotary joint. Rotary air outlet of the air outlet disc can be achieved under cooperation of the flow guide holes, the air outlet uniformity is improved, the air outlet range is widened, all-directional steam curing can be achieved through cooperation of air outlet of the transverse pipes and the vertical pipes, the supporting net can stably support the prefabricated part, the air permeability can be improved, the curing effect can be improved, and the service life of the prefabricated part is prolonged. And the maintenance efficiency can be improved.

This application relates to a pump shaft assembly, a nuclear power plant piping system, and a method for maintaining the pump shaft assembly. The pump shaft assembly includes a main pump pipeline, a main pump shaft, a sealing assembly, a water injection pipeline, and a first outlet pipeline. An outlet section is provided on one side of the main pump pipeline. The main pump shaft includes a first part and a second part that are detachably connected axially. The first part is located below the second part, and the second part is fixedly connected to the main pump pipeline. The sealing assembly includes a first seal located in the first part and a second seal located in the second part. The first outlet pipeline communicates with the main pump pipeline at the portion between the first and second seals. The first seal includes a first rotating ring and a first stationary ring, which are misaligned when the first part falls axially. At this time, water injected through the water injection pipeline can pass through the first seal and then flow from the first outlet pipeline, thereby flushing the first seal and cleaning foreign matter from it.

The invention relates to the technical field of road materials, and particularly discloses a bio-based cold-laid asphalt thin overlay material and a preparation method thereof. The thin overlay material comprises the following components in percentage by mass: 85%-95% of asphalt pavement milling reclaimed material, 3%-10% of bio-based cold-mixed cementing fluid, 1%-4% of acrylic emulsion and 0.5%-1.5% of glycerin monostearate, the bio-based cold-mixed cementing fluid comprises the following components in percentage by mass: 5%-85% of asphalt, 5%-40% of vegetable oil, 5%-40% of oleic acid monoester and 3%-15% of terpene unsaturated compounds, the iodine value of the vegetable oil is greater than or equal to 100. All the components of the thin overlay material can be mixed under the normal temperature condition, the influence of the construction environment is small, the bio-based cold mixing cementing liquid can recover the performance of aged asphalt of the asphalt pavement and improve the overall performance of the road, and the acrylic emulsion and the glyceryl monostearate can improve the maintenance effect of the asphalt pavement.

The utility model discloses a cement curing tank which comprises a water storage tank, a flow conveying mechanism is arranged on the water storage tank, and the flow conveying mechanism comprises a first curing tank body, a supporting frame, a second curing tank body, a water pump, a water conveying pipe, a flow dividing pipe, a connecting pipe, a water outlet pipe and an adjusting mechanism. The adjusting mechanism comprises a mounting sleeve, a connecting sleeve, a rotating sleeve, a transmission sleeve, a screw rod, a matching sleeve, a pushing sleeve, a control sleeve, a sliding rod, a sliding block, a control panel and a through hole, the mounting sleeve is connected to the top end of the output pipe, the connecting sleeve is fixed to one end of the flow dividing pipe, the rotating sleeve is rotationally connected with the mounting sleeve and the connecting sleeve, and the pushing sleeve is driven to move through threaded transmission of the screw rod and the matching sleeve; further, the shielding degree of the control panel to the through hole is controlled through sliding of the sliding block on the sliding rod, and accurate adjustment of the water flow is achieved in cooperation with the guiding function of the guiding rod and the reset function of the return spring, so that water for maintenance is more saved and more efficient.

The application discloses a sleeving and curing device for a large-volume concrete pouring column, which comprises a fixing ring and a top base, the fixing ring is rotationally provided with an inner gear ring and an outer gear ring, the outer gear ring is fixedly provided with a first clamping plate, the outer gear ring is slidably provided with a second clamping plate, the first clamping plate and the second clamping plate are matched to clamp one end of a film, and in the process of falling the fixing ring to sleeve the film on a stand column, the inner gear ring and the outer gear ring are reversely rotated through a reverse assembly, the outer gear ring is rotated to sleeve and wind the cylindrical film on the stand column, the inner gear ring is rotated to make the inner gear ring wind the film with a winding assembly, and the winding direction is opposite to the reverse direction of the rotation of the film, so that the film can be more closely attached to the stand column, water drops generated on the inner wall of the film can be avoided from falling to the bottom of the stand column, the curing effect of the film is improved, and the film can be avoided from swinging with wind to cause a damage phenomenon.

The utility model relates to the technical field of pressure sore prevention pads, and discloses a special pressure sore prevention pad for a high-flow oxygen therapy instrument, which comprises a claw rod, an air supply pipe is fixedly mounted in the middle of the claw rod, clamping joints are clamped at two ends of the claw rod, each clamping joint is fixedly connected with a butt joint, each butt joint is detachably connected with a connecting ring, and the connecting ring is detachably connected with the claw rod. One side of the connecting ring is fixedly connected with elastic strips, a fastening strip is fixedly connected between the two elastic strips, each elastic strip is movably connected with a sore pad seat, one side of each sore pad seat is connected with a skin-friendly pad, a plurality of negative pressure holes are annularly formed in each skin-friendly pad, a pair of biting and hinging channels are formed in each sore pad seat, and the negative pressure holes are communicated with the negative pressure holes. According to the special pressure sore prevention pad for the high-flow oxygen therapy instrument, negative pressure is generated between the outer surface of the thin film and the negative pressure hole, so that the negative pressure hole is tightly contacted with the skin, and the slipping phenomenon between the skin-friendly pad and the skin is prevented.

The utility model discloses a kind of multi-functional reinforcing steel positioning jig frame, it is characterized in that, including jig frame support, combination reinforcing steel frame is provided on the jig frame support;Two groups of the combination reinforcing steel frame are placed between the bundled reinforcing steel structure, and are connected by connecting bolt;Combination reinforcing steel frame is provided with multiple adjustable reinforcing steel positioners of transverse interval distribution, for adjusting the interval between the reinforcing steel to be bundled.The utility model is characterized in that improve reinforcing steel binding precision, help reinforcing steel overall forming, enhance the integrity of concrete structure, improve construction personnel safety, improve the maintenance function of concrete.

The application relates to a green energy-saving maintenance system and method for a prefabricated T beam, and relates to the technical field of prefabricated T beam maintenance systems, which comprises a maintenance bin, a solar photovoltaic panel is arranged on the top wall outside the maintenance bin, an electricity storage box is arranged on the maintenance bin, a water storage tank is arranged outside the maintenance bin, a spraying head I is arranged in the maintenance bin, a water pump is arranged on the water storage tank, a water outlet end of the water pump is communicated with a water conveying pipe, a motor is arranged in the maintenance bin, the electricity storage box is used for supplying power to the motor and the water pump, and a moving device for driving the spraying head I and a hose to make semicircular motion is arranged on the output shaft of the motor. The solar photovoltaic panel is arranged, sunlight is converted into electric energy by the solar photovoltaic panel, the water pump and the motor are supplied with power, the spraying head I is driven to rotate and spray water by the moving device, uniform water spraying and enhanced maintenance effect can be realized, electric energy consumption can be reduced, and energy saving and environmental protection are facilitated.

This utility model relates to the field of road and bridge construction technology, and in particular to a road paving device for road and bridge construction. The device includes a vehicle body, a mixing tank fixedly installed on the upper front side of the vehicle body, a discharge mechanism on the lower front side of the vehicle body, a material cylinder rotatably installed at the middle position of the upper end of the vehicle body, a curing film wound onto the material cylinder, and compaction mechanisms on the front and rear sides of the material cylinder. A connecting rod rotatably installs at the end of the vehicle body, and a first roller is rotatably connected to the lower end of the connecting rod. The first roller is driven by a third servo motor mounted on the connecting rod, and its direction of travel is opposite to that of the vehicle body. This application, through the design of mixing, discharge control, and multi-roller operation, achieves a comprehensive improvement in the uniformity, flatness, and curing quality of concrete paving. The mixing system prevents concrete from solidifying, the discharge mechanism precisely controls the amount of material used, and the multiple rollers sequentially complete the paving, film covering, and air bubble elimination, forming a continuous and efficient construction process.