16results about How to "Uniform maintenance" patented technology

The utility model relates to the technical field of bridge construction, and provides a maintenance system and a movable formwork of a cast-in-place box girder, the maintenance system of the cast-in-place box girder comprises a movable spraying device and a fixed spraying device, and the movable spraying device is used for spraying and maintaining the demoulded box girder; the fixed spraying device comprises a water source, a first spraying pipeline and a plurality of rotating nozzles, one end of the first spraying pipeline is connected with the water source, the other end of the first spraying pipeline is connected with the rotating nozzles, and the rotating nozzles are used for conducting swing type spraying on the upper surface of the undemoulded box girder from the side of the undemoulded box girder. According to the maintenance system of the cast-in-place box girder, the plurality of rotary spray heads are arranged in the fixed spray device, and the rotary spray heads spray the upper surface of the undemoulded box girder from the side of the undemoulded box girder in a swinging manner, so that the maintenance blind area can be effectively reduced, each corner of the surface of the undemoulded box girder can be fully sprayed, and the maintenance efficiency of the cast-in-place box girder is improved. And the problem that concrete maintenance is not in place can be avoided.

The utility model relates to a water-sprinkling maintenance spraying device for a PCCP (prestressed concrete cylinder pipe) core. The water-sprinkling maintenance spraying device comprises a base, a lifting mechanism, an annular pipeline, a water pipe, a storage box, a plastic water tower, a pe water storage tank, a valve and a water supply pump, a pushing handle is welded on one side of the base; a storage box for storing the flexible connecting pipe is reserved on one side above the base; the lifting mechanism is fixed to the middle of the base, the annular pipeline is installed on the lifting mechanism and communicated with the water inlet pipe, and the spraying nozzles are arranged on the lower side. The plastic water tower pe water storage tank is arranged in the pipe core maintenance area, the top of the plastic water tower pe water storage tank is provided with a water inlet, the bottom of the plastic water tower pe water storage tank is provided with a water outlet, and the water outlet is connected with a water conveying pipe. According to the spraying device, the annularly-arranged spraying nozzles rise to the uppermost part of the pipeline, water mist is uniformly sprayed from top to bottom, the pipeline is fully wetted and maintained, maintenance is more uniform, the strength loss of the pipeline is reduced, meanwhile, the working strength is reduced, and the working efficiency is improved.

The utility model discloses a tunnel hole slag machine-made sand concrete indoor curing device which is composed of two curing frames and a partition frame arranged between the curing frames, inclined drawer frames are arranged on the curing frames, a water supply pipeline and an atomizer are arranged on the partition frame, and test pieces on the drawer frames on the two sides of the atomizer are processed through the atomizer. According to the device, the concrete test piece can be uniformly cured in a small space, and unreliable results caused by long-time contact with moisture or excessive dryness are avoided.

The invention discloses a tunnel multifunctional trolley integrating spraying dust fall and maintenance structures, particularly relates to the field of tunnel engineering construction, and comprises a smoke sensor, a canopy, an integrated frame, a slide rail, a water pipe, a water pipe bracket, universal wheels, a spraying maintenance device and a canopy recovery device. Opening and closing of the canopy are controlled through the smoke sensor, regional dust falling and tunnel wall face maintenance are achieved, and waste of water resources is reduced. The spraying maintenance device controls the direction of a spray head through a steering sliding rail, and the dual functions of spraying dust fall and tunnel wall face maintenance are achieved. The tunnel maintenance device has the advantages of integration of efficient dust removal and maintenance, environmental protection, energy conservation, reduction of labor intensity and safety risks and improvement of construction efficiency, and is suitable for tunnel construction in various environments.

The utility model provides a bridge pier and abutment concrete curing device and a bridge concrete curing system, and relates to the technical field of building construction.The bridge pier and abutment concrete curing device comprises a curing water tank, a perforated pattern pipe and a water supply device, the perforated pattern pipe is used for being laid on the upper end face of the bridge pier and abutment, the maintenance water tank is communicated with the perforated pattern pipe, and the water supply device is used for providing a water source for the interior of the maintenance water tank. Compared with the prior art, the bridge pier and abutment concrete curing device has the advantages that the bridge pier and abutment concrete can be subjected to watering curing, concrete curing is uniform, and the moisturizing effect is lasting.

The application relates to the technical field of concrete prefabricated part maintenance, in particular to a device and process for carbon dioxide gas-solid mineralization maintenance of concrete prefabricated parts. The device for carbon dioxide gas-solid mineralization maintenance of concrete prefabricated parts comprises a box body, two horizontal shafts which are rotatably arranged in the box body and oppositely arranged, and one of the horizontal shafts is connected with the output end of a second driving motor arranged on the side of the box body. The device for carbon dioxide gas-solid mineralization maintenance of concrete prefabricated parts further comprises a frame arranged between the two horizontal shafts, two groups of supporting mechanisms arranged on the frame in the vertical direction, and the motion states of the two groups of supporting mechanisms are opposite, the two groups of supporting mechanisms are used for supporting the prefabricated parts to be treated in the frame, when the maintenance is carried out, the prefabricated parts are arranged in the frame, the bottom of the prefabricated parts is supported by the multiple groups of supporting mechanisms, the large-area exposure of the prefabricated parts is realized, and the frame can be turned over during the maintenance process, the turning of the prefabricated parts is realized, and the comprehensiveness of the maintenance treatment is ensured.

The utility model relates to building construction maintenance technical field especially relates to a plastering and concrete surface layer wet maintenance device, including movable base, water storage tank, spray subassembly, height and angle adjusting mechanism and controller, spray subassembly sets up on height and angle adjusting mechanism, the spray subassembly includes main water pipe, branch water pipe and atomizing spray head, the main water pipe is arranged several branch water pipes side by side, height and angle adjusting mechanism include guide screw, sliding block, fixed base, rotary universal joint, thousand autumn frame and rotating seat, sliding block slides up and down along guide screw, fixed base fixedly connected main water pipe, the tail end of thousand autumn frame is connected branch water pipe through rotary universal joint, and the front end of thousand autumn frame is connected atomizing spray head through rotating seat, the utility model has the advantages of: improving the efficiency of spraying maintenance concrete surface layer, and the spraying wet maintenance of concrete surface layer of different angles, different regions is adapted.

The utility model discloses cement brick steam curing equipment, and relates to the technical field of cement brick steam curing. The cement brick steam-curing equipment comprises a supporting plate and a ventilation mechanism, a box body is fixedly mounted at the top of the supporting plate, and the ventilation mechanism is arranged on the box body, comprises a protective shell, a motor, a ventilation block, a ventilation opening, a baffle and a connecting block and is used for controlling the motor to start so as to drive the connecting block to rotate, and then the connecting block drives the baffle to rotate; when the device runs, the baffle is controlled to block the ventilation opening to prevent steam from running off through the ventilation opening to influence the working effect of the device, and after the device finishes running, the baffle is controlled to move to enable the ventilation opening to be communicated with the interior of the box body, so that the box body can be ventilated through the ventilation opening, and the temperature in the box body is quickly reduced; and therefore, operators are prevented from being scalded by high temperature in the device when taking out the cement bricks, and the safety of the device is improved.

This utility model discloses an autoclaving device for curing fly ash bricks, relating to the technical field of fly ash brick production equipment. It includes an autoclaving device body, a sealing door on the front surface of the body, a support frame on the inner surface, and sliding guide rails on both sides of the upper surface of the support frame. A curing box is slidably mounted on the inner surface of the sliding guide rails, and multiple ventilation slots are formed on both sides of the curing box. A handle is provided on the rear surface of the curing box. Compared with existing ordinary autoclaves for fly ash brick production, this autoclaving device for curing fly ash bricks, through the setting of threaded rods, allows multiple threaded rods to rotate synchronously via a servo motor. This drives a guide slider to slide upward along a limiting groove, lifting the placement plate containing the bricks from inside the curing box, facilitating the loading and unloading of bricks and improving the curing efficiency of fly ash bricks.

The invention discloses a method for preparing a high-strength concrete internal curing agent, and the preparation method comprises the following steps: 1) using sodium silicate solution and methyldimethoxysilane as raw materials, reacting to prepare polymer A; 2) using microcrystalline muscovite ultrafine powder, seaweed fiber powder, N,N-methylenebisacrylamide and acrylic acid as main raw materials to perform glow discharge electrolytic plasma treatment to prepare polymer B; 3) mixing polymer A with polymer B, neutralizing, washing, and drying to obtain the internal curing agent. The high-strength concrete internal curing agent obtained by the invention has excellent water retention and water release properties, and can simultaneously improve the volume stability, mechanical properties and durability of concrete; and the preparation method involved is relatively simple, the reaction conditions are mild, and the preparation cycle is short, which is suitable for popularization and application.

The utility model discloses a concrete circulation automation maintenance device, relates to concrete maintenance equipment technical field, including spray high pressure fog machine, collection pool, spray maintenance support and rainwater collection well, the spray high pressure fog machine is connected with PE pipe, the PE pipe is equidistantly provided with fog nozzle, the spray maintenance support is connected with the rainwater collection well, and the rainwater collection well is connected with the collection pool. The spraying maintenance support is placed on the collection pool, the periphery of the collection pool is provided with a 1% gradient towards the central area, a submersible pump is arranged above the well wall of the rainwater collection well, and a water inlet pipe is connected to the PE pipe. The concrete cover plate can be comprehensively covered and maintained through atomization of the mist making nozzles, the maintenance effect is good, the concrete quality is guaranteed, compared with a traditional water pipe spraying maintenance mode, water sources can be effectively saved through mist spraying maintenance, and the labor maintenance strength can be effectively reduced by setting the equipment maintenance time.

The utility model discloses a uniform watering curing chamber for water permeable bricks, which relates to the technical field of water permeable brick production and comprises a curing chamber body. The base platform is positioned in the curing chamber main body; the number of the brick stacks is multiple, and the multiple brick stacks are all placed on the base table; the concrete number of the spraying mechanisms is multiple, the multiple spraying mechanisms and the multiple brick stacks are distributed at intervals, each spraying mechanism comprises a spraying frame, a spraying pipe and a pump body, and the spraying frames are used for driving the spraying pipes to move up and down; the multiple spraying mechanisms and the multiple rows of piled bricks are distributed at intervals, the spraying frame drives the spraying pipe to move up and down, the pump body conveys a water source for the spraying pipe, and the piled bricks on the two sides can be sprayed in the up-down moving process of the spraying pipe, so that the effect of evenly maintaining the piled bricks is achieved.

The invention relates to the technical field of autoclaved curing equipment, in particular to an autoclaved aerated concrete plate curing furnace uniform in steam curing, which comprises a base, the upper surface of the base is fixedly connected with a shell, one end of the shell is rotatably connected with an opening and closing door, the upper surface of the shell is in through connection with a ventilation pipe, and the output end of a driving motor is fixedly connected with a transmission rod. The outer surface of the transmission rod penetrates through one side of the shell and is fixedly connected with a partition plate, one side of the partition plate is provided with a driving assembly, the driving assembly comprises a fixing plate fixedly connected to one side of the partition plate, one side of the bottom of the fixing plate is fixedly connected with a pushing motor, and the output end of the pushing motor penetrates through one side of the partition plate and is fixedly connected with a first lead screw; and when the first screw rod moves rightwards and is extruded by the inclined surface of the extrusion rod, the first screw rod can drive the placement plate to slide downwards to fix the plate, so that the plate can be prevented from moving to influence the maintenance effect in the maintenance process, the plate can be uniformly maintained, and the maintenance effect is improved.

The utility model discloses a concrete curing device for building construction, which relates to the technical field of building construction and comprises an electric rail and a body. The body comprises a base plate and a fixing plate which are fixedly connected. A water leakage groove is formed in the upper end of the base plate and provided with leakage holes, and a water tank is arranged on one side of the water leakage groove. Water outlets are formed in the sides, close to the water tank, of the water leakage grooves; a water stopping part is arranged on the water leakage groove; a film covering roller is rotationally connected to the fixing block, and a covering film is wound on the film covering roller. By arranging the water stopping component, the water quantity is regulated and controlled, so that the water quantity in the water leakage groove is kept stable, the speed of water falling from the leakage holes is kept stable, and all parts of concrete are uniformly cured; the film covering roller rotates out a covering film to cover the concrete, evaporation of water is reduced, and the surface of the concrete is protected; and the pressing roller presses the surface of the concrete, the surface of the concrete is flattened, and the covering film can be pressed to be attached to the concrete, so that the curing effect is improved.

The utility model discloses an unmanned operation watering concrete curing cooling device which comprises a water level sensor, two water tanks and a controller, the controller is connected with electricity, the water level sensor is installed in the water tanks, and when the water level sensor detects that the water level in the water tanks is insufficient, watering operation is stopped. The water level sensor is installed in one water tank, a hose is detachably installed between the bottoms of the two water tanks, a support structure is installed between the water tanks at the two ends, and the two water tanks are located on the same diameter line of the fan tower base and located on the outer side of the fan tower base respectively during use. A rotary spraying device is installed through the support structure, the controller is connected with and controls the rotary spraying device, and the rotary spraying device takes water from the water tanks at the two ends. The device is convenient to maintain and uniform in maintenance, and leakage points are avoided.

The utility model is suitable for the technical field of building production equipment, and provides an aerated concrete block curing device which comprises a curing cabin and a spraying mechanism. The spraying mechanism comprises a water tank; the water tank is communicated with the bottom side of the maintenance cabin and is filled with an activated carbon filter element; the partition plate is arranged in the water tank; the filter screen is arranged between the partition plate and the water tank, the pump body is arranged on the water tank, and the water outlet end of the pump body is communicated with a main water pipe; according to the utility model, water can be uniformly sprayed on the aerated concrete blocks, so that the efficient, uniform and automatic maintenance function is realized; meanwhile, the water tank can recycle the sprayed water source, and the water source entering the water body is ensured to be clean through the double filtering effects of the filter screen and the activated carbon filter element, so that the cyclic utilization of the water source is realized; and the circulating fan is arranged, so that steam can be uniformly diffused to each corner of the curing cabin, and each aerated concrete block can be uniformly cured.