3897 results about "High pressure water" patented technology

The invention relates to a ship repair platform and a using method thereof, and belongs to the technical field of ship repair platforms, the ship repair platform comprises a movable base, an operation mechanical arm, an image recognition system and an intelligent control system, the movable base is provided with a magnetic attraction crawler belt and a hydraulic cylinder, and a vacuum suction cup is installed at the driving end of the hydraulic cylinder; a safety rope ring and a bearing base are fixedly installed on the movable base, the bearing base is rotationally connected with a loading platform, the three operation mechanical arms are evenly installed on the top of the loading platform, the three operation mechanical arms are provided with a high-pressure water gun, a laser rust removal head and a paint spraying nozzle correspondingly, and a device support is fixedly installed on the movable base. The device support is provided with an electric holder. According to the method, the damaged area of the outer wall of the ship body can be automatically recognized, cleaning, dirt removal and paint make-up operation can be accurately executed, the manual intervention requirement is reduced, and the maintenance efficiency is improved.

The invention belongs to the field of desilting robots, and particularly discloses a suction type underground drainage pipeline intelligent desilting robot and a desilting method.The desilting robot is composed of an in-pipe integrated robot and an inspection well box; the in-pipe integrated robot comprises a hardware structure and a software module, the hardware structure comprises a mechanical assembly, a circuit assembly, a sediment breaking assembly, a sediment conveying assembly and a machine body, and the software module comprises a pipeline sediment intelligent diagnosis module. A drainage pipeline siltation diagnosis module based on a deep learning network is arranged in a deep learning development board to achieve siltation diagnosis, and a central instruction receiving and sending module is used for sending desilting operation instructions to a nail surface type electric hammer, a high-pressure water spray head, a siltation crushing cutter, a silt pumping pipe, a silt discharging pipe and a vacuum sewage suction pump. According to the invention, automatic and intelligent operation of siltation diagnosis and desilting of the underground drainage pipe network in a certain maintenance area can be realized, the efficiency is greatly improved, personnel do not need to enter the pipeline, and the danger is greatly reduced.

The present invention provides a device and method for the resource utilization of urban waste incineration slag, which relates to the technical field of slag waste recycling. The device for the resource utilization of urban waste incineration slag includes an equipment frame and a crusher installed on the equipment frame. It further includes a flow and precipitation component, a water addition component, and a resource recovery component installed on the equipment frame. The crusher transfers the crushed slag to the water addition component. The water addition component is used to add water to the ash slag and make it flow into the flow and precipitation component. After operation and precipitation, it is then discharged onto the resource recovery component. It also includes multiple groups of stirring components for stirring the slurry in the flow and precipitation component. The device and method for the resource utilization of urban waste incineration slag, by setting the flow and precipitation component, can obtain precipitation within the operation time compared with a fixed sedimentation tank, and can be flipped and dumped, and flushed with high-pressure water, making it easier to clean the internal slurry and preventing blockage.

The invention relates to the technical field of concrete structure construction, and discloses a super-long concrete post-cast strip structure and a manufacturing method.The structure comprises an interface treatment layer, a fiber grid layer, a micro-expansion concrete layer and a steel fiber protection layer which are sequentially arranged from bottom to top, and the interface treatment layer is used for providing combination transition of new concrete and old concrete; the fiber grid layer is used for achieving deformation constraint and stress transfer, the micro-expansion concrete layer is used for forming an autonomous compensation deformation area, and the steel fiber protection layer is used for providing final structure protection and load distribution. The interface treatment layer is a concrete base surface treated by high-pressure water jet, and is coated with a silane-based interface treatment agent. The bonding strength of new concrete and old concrete is enhanced through the interface treatment layer, the fiber grid layer provides effective deformation constraint, the micro-expansion layer achieves automatic shrinkage compensation, the steel fiber layer controls crack development, the layers are matched with one another to form a complete anti-crack system, the problem that the anti-crack performance of a traditional post-cast strip is insufficient is solved, and the overall anti-crack performance is improved.

The invention provides a machining center with a chip removal and cleaning structure, the machining center comprises a machine tool, a ball extruding mechanism, a filtering mechanism, a conveying mechanism, a cleaning mechanism and a supporting mechanism, the ball extruding mechanism is used for longitudinally cutting, transversely segmenting and extruding strip-shaped chips into balls in sequence through a longitudinal crushing assembly, a transverse crushing assembly and a ball pressing assembly, the viscosity of the chips is reduced, and blockage is prevented; cuttings and cutting fluid are separated by the filtering mechanism, so that the cutting fluid can be recycled conveniently; a screw rod of the conveying mechanism discharges the cutting balls, and the cleaning mechanism can clean the screw rod with high-pressure water after covering a chip discharging groove; a pressing assembly of the supporting mechanism presses a long rod piece through gear transmission, a follow-up assembly rotates along with a machine piece and moves along with a lathe tool, and the rod piece is prevented from deforming due to gravity. The problems that strip-shaped high-viscosity cuttings are blocked and a long rod piece is prone to deformation under the influence of gravity are effectively solved, and the chip removal efficiency and the machining precision are improved.

The utility model discloses a mandarin fish domestication feeding device which comprises a feeding pipeline and a bait temporary storage tank arranged at the upper end of the feeding pipeline, a feeding hopper is arranged at the upper end of the bait temporary storage tank, and the feeding pipeline comprises a vertical pipe with the upper end in butt joint with the bait temporary storage tank and a horizontal discharging pipe in butt joint with the bottom of the vertical pipe. One end of the horizontal discharge pipe is connected with a high-pressure water source or air source; the vertical pipe is of a multi-section telescopic rod structure. A cathode ring piece and an anode ring piece are arranged at the two ends of the vertical pipe, and the cathode ring piece and the anode ring piece are connected with a pulse generator used for outputting pulse signals and a pulse power amplifier used for controlling output voltage through wires. The fish feeding device can achieve feeding at different depths, can feed live fish, dead fish and feed according to different proportions, is simple and convenient to operate, greatly reduces the workload of manual feeding, and can be widely applied to the field of bait feeding.

A combined dust suppression system for a metal ore unloading station, and a using method. The combined dust suppression system consists of an ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device, an ore unloading station tunnel floor spraying, watering, and wetting device, and an ore unloading station ore train floor bidirectional high-pressure spray dust suppression device. The ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device is used for performing manual flushing on a tunnel by means of high-pressure water in the travel direction of an ore unloading train, the ore unloading station tunnel floor spraying, watering, and wetting device is used for performing spraying, watering, and wetting on the tunnel, and the ore unloading station ore train floor bidirectional high-pressure spray dust suppression device isolates dust generated during ore unloading at the ore unloading station. The water consumption can be reduced, excessive water in an ore unloading pit that causes adhesion and blockage can be effectively avoided, the field applicability of high-pressure spray dust suppression measures is improved, and on-demand spray dust removal of a high-pressure spray device is achieved; high-pressure water is used for flushing accumulated dust on the tunnel wall surfaces of ore unloading stations, and the tunnel floors of ore unloading stations are sprayed, watered, and wetted, thereby achieving significant comprehensive dust suppression and dust control effects, and notable energy-saving effects.

The utility model discloses a sand cleaning assembly, which relates to the technical field of sand cleaning equipment and comprises a sand discharging pipe and an adjusting device. The sand discharging pipe comprises an outer pipe and an inner pipe penetrating through the outer pipe, a sand discharging channel is formed between the inner side of the outer pipe and the outer side of the inner pipe, and one end of the inner pipe is externally connected with high-pressure water flow; the adjusting device is used for extending the sand discharging pipe into the tank body or pulling the sand discharging pipe out of the tank body; when the sand removal tank is used, sediments in the tank body are pumped out through the sand removal channel between the outer pipe and the inner pipe, and in order to improve the sand removal efficiency of the tank body, high-pressure water flow is sprayed into the tank body through the inner pipe, so that sand and sludge deposited in the tank body are impacted, the sediments adhered or accumulated in the tank body are dispersed, and the sediments can be conveniently discharged through the sand removal pipe; and the adjusting device can adjust the position of the end part of the sand discharging pipe in the tank body, so that the sand cleaning area is enlarged, and the sand cleaning efficiency and the sand cleaning effect are improved.

The invention relates to a water jet attitude detection and calibration device and method, and relates to the technical field of water-guided laser processing and high-pressure water jet cutting. The water jet attitude detection and calibration device comprises an angle adjusting device for adjusting the angle of a processing head; the detection module comprises two groups of correlation type photoelectric sensors, two correlation type photoelectric sensors are longitudinally distributed in each group, one group emits linear light along the X axis of the machine tool, and the other group emits linear light along the Y axis of the machine tool; when the correlation type photoelectric sensor detects that the light intensity reaches a preset light intensity threshold value, a signal is sent out; the value range of the light intensity threshold value is 60%-90% of the initial light intensity; the position adjusting device enables the water jet to pass through two machine tool Y-axis light along the machine tool X-axis and enables the water jet to pass through two machine tool X-axis linear light along the machine tool Y-axis. The correlation type photoelectric sensor is used for replacing the combination of a CCD camera and a sharp mechanical structure, the reaction is more sensitive, the detection efficiency and the detection precision are higher, and the water jet attitude calibration device is suitable for multiple times of rapid water jet attitude calibration under the long-time operation scene of the water-guided laser machine tool.

The invention relates to a device for preparing rubber powder by adopting a high-pressure water jet composite method, which comprises a high-pressure water generating system, a multi-nozzle cutting head, a rotary crushing cylinder assembly, a rotary filtering cylinder assembly, a liquid collecting cylinder, a fixed seat and a base, the fixed seat comprises an upper mounting plate, a lower mounting plate and a stand column connected between the upper mounting plate and the lower mounting plate, the multi-nozzle cutting head and the rotary crushing cylinder assembly are mounted on the upper mounting plate, the rotary filtering cylinder assembly is mounted on the lower mounting plate, the liquid collecting cylinder is mounted on the stand column, and the high-pressure water generating system is communicated with the multi-nozzle cutting head. And the rotary crushing cylinder assembly comprises a crushing cylinder and a crushing rotating device. High-pressure water jet and mechanical smashing are efficiently combined, a double smashing mechanism of non-contact cutting and mechanical shearing is achieved, the production requirement of fine rubber powder is met, layered multi-nozzle covering cutting of the multi-nozzle cutting head is achieved, and energy consumption is remarkably reduced.

The invention provides an intelligent cleaning unmanned aerial vehicle system and method based on high-pressure water jet, and relates to the technical field of unmanned aerial vehicles. The optimized path acquisition module utilizes a sensor to optimize obstacle avoidance to obtain a new path; the real-time positioning acquisition module realizes positioning by means of PTK; the cleaning area determination module determines a cleaning range according to the positioning acquisition image; and the water flow cleaning execution module starts equipment and adjusts a nozzle to complete high-pressure water jet cleaning. The technical problems that a traditional high-altitude cleaning mode is high in safety risk, low in cleaning efficiency, inaccurate in environment perception and insufficient in dynamic adaptability are solved, and safe unmanned cleaning, path optimization precision and cleaning efficiency maximization of high-rise building glass curtain wall cleaning are achieved; and therefore, the technical effects of operation reliability and intelligent level in a complex environment can be obviously improved.

The invention relates to the technical field of hard rock drilling construction, in particular to a rock breaking hob, a shield tunneling machine cutterhead and a shield tunneling machine. The rock breaking hob comprises a cutter shaft, an annular cutter body and a plurality of pressurizing assemblies; an annular cavity communicated with an external high-pressure water source is formed in the cutter shaft; the annular cutter body is rotationally arranged on the cutter shaft, and a plurality of blind holes are formed in the annular cutter body; the pressurizing assembly comprises a compression block, a plugging block and a first elastic piece; the compression block is in sealed sliding connection with the inner wall of the blind hole to form a compression cavity, and a plurality of first channels used for communicating the compression cavity with the annular cavity are formed in the annular cutter body; a sliding groove, a communicating hole and a water spraying hole are formed in the compression block; the sliding groove communicates with the compression cavity through the communicating hole. The sliding groove communicates with the end face of one end of the compression block through the water spraying hole. The plugging block is slidably connected with the sliding groove and blocks the water spraying hole when located at the end, close to the central axis of the annular cutter body, in the sliding groove. The first elastic piece is used for enabling the compression block to pop out of the blind hole. The rock breaking device has the effects of reducing water source waste and improving the rock breaking efficiency.

The invention relates to a humidification control method and system for an air cabinet heating air conditioning unit. The humidification control method comprises the following steps that purified fresh air is cooled and dehumidified; the cooled and dehumidified fresh air and return air are mixed, and three-dimensional spiral vortex mixed airflow is formed; according to the temperature and humidity distribution data of the three-dimensional spiral vortex mixed airflow, a middle surface air cooler and a rear surface air cooler are controlled to conduct secondary cooling and temperature control treatment on the three-dimensional spiral vortex mixed airflow; a high-pressure water mist humidification system is adopted for carrying out humidification treatment on the three-dimensional spiral vortex mixed airflow obtained after secondary cooling and temperature control treatment, moisture filtering is carried out on the humidified three-dimensional spiral vortex mixed airflow through a honeycomb-shaped water curtain, and supplied air obtained after moisture filtering is input into a target workshop through a draught fan. The technical problems that an existing system usually adopts a simple steam humidification or wet film humidification mode, the response speed is low, the adjusting precision is low, and the requirement for dynamic humidity change in the complex environment is difficult to meet are solved.

The invention discloses a multi-stage deburring device which comprises a high-pressure water deburring mechanism, a water sand deburring mechanism and a water sand recycling mechanism. The high-pressure water deburring mechanism is used for conducting rough deburring on a workpiece, and the water sand deburring mechanism is used for conducting fine deburring on the workpiece. The water-sand recovery mechanism is communicated with the high-pressure water deburring mechanism and the water-sand deburring mechanism, receives burrs and a water-sand mixture, separates the burrs, water and sand grains, and re-supplies the water and the sand grains to the high-pressure water deburring mechanism and the water-sand deburring mechanism for use; according to the deburring device, rough deburring is conducted through the high-pressure water deburring mechanism, fine deburring is conducted through the water sand deburring mechanism, the multi-angle control mechanism is combined, burrs on the surface of a workpiece can be removed in an omnibearing and dead-corner-free mode, and the deburring efficiency and quality are effectively improved. And secondly, the equipment adopts the conveying belt to realize automatic production, so that manual intervention is reduced, and the production efficiency is improved.

The invention provides coal seam multi-section type directional fracturing and permeation increasing equipment and method, and relates to the technical field of coal mine gas treatment and coal seam gas exploitation, the coal seam multi-section type directional fracturing and permeation increasing equipment comprises a machine body, a propelling mechanism, a fracturing pipe and a liquid inlet mechanism, and a plurality of sets of directional assemblies are arranged outside the fracturing pipe at equal intervals; and the fixing mechanism is used for directionally spraying the high-pressure water to the fixed direction in the coal seam and comprises a limiting component arranged on the propelling mechanism and used for limiting the fracturing pipe stretching into the fracturing seam and a connecting component arranged on the limiting component and used for locking the fracturing pipe. High-pressure water can be directionally jetted to the fixed direction in a coal seam fracturing hole, the situation that due to the fact that the high-pressure water is jetted at will, a large number of cracks are generated on the soft portion of the coal seam, and consequently permeation increasing is uneven is avoided, in addition, a fracturing pipe stretching into the fracturing hole can be fixed, and the situation that the permeation increasing effect is affected due to the fact that the fracturing pipe shakes when equipment runs is avoided.

The present invention discloses a pneumatically controlled, high-pressure, balanced sewage, two-position, three-way reversing ball valve structure, comprising: a valve seat, a valve ball, and a valve ball centering sleeve installed within a valve body; the valve seat having three openings: a left opening and a right opening, located at the left and right ends of the valve seat, respectively, and a center opening located in the center of the valve seat; a port A located on the left side of the valve body, communicating with the center opening of the valve seat; a port B located on the right side of the valve body, communicating with the right opening of the valve seat; a high-pressure water wellhead connector connected to the left end of the valve body, the port of the high-pressure water wellhead connector being port P, forming a chamber C within the high-pressure water wellhead connector; a feedback piston sealing sleeve forming a closed chamber D at the right end of the feedback piston; chambers C and D being connected via a balancing pipe. The valve valve has reliable sealing performance, requires relatively low water cleanliness, and can be used in sewage reversing valves; it also features fast response speed and high flow rate.

The invention provides a high-speed submerging jet flow and mechanical shock synergistic ice damage test method. The method comprises the following test steps: S1, arranging a data acquisition system; s2, initializing working conditions; s3, preparing an ice body sample; s4, prefabricating ice body damage by high-pressure water jet; s5, a servo electric cylinder drives a mechanical structure to impact ice damage; s6, data acquisition; and S7, data processing. According to the invention, the force sensor, the laser displacement sensor and the high-speed camera synchronously collect the load, deformation and image information of ice damage caused by impact of a mechanical structure by means of the servo electric cylinder under the jet-assisted effect, so that accurate control and synchronous measurement of submerged jet and mechanical cooperative damage are realized; the impact of different mechanical structures at different speeds on the ice damage load is avoided.

The invention relates to the technical field of steel rolling, and discloses a Q355B steel hot rolling process optimization method based on dynamic temperature control, which comprises the following steps: blank pretreatment, dynamic heating control, high-pressure water descaling, rough rolling process, finish rolling process, laminar cooling and coiling process. According to the method, a collaborative system of multi-section variable-temperature heating and intelligent temperature control is constructed, temperature distribution in a furnace and the heating rate are monitored and dynamically adjusted in real time, it is guaranteed that the core surface temperature of a plate blank is uniform and consistent, thermal stress and the internal crack tendency in the heating process are eliminated, and a high-temperature blank uniform in structure and stable in performance is provided for follow-up rolling; meanwhile, the high-pressure water descaling system optimizes jet flow parameters and introduces chemical additives, so that a protective layer is formed while oxide scales on the surface are removed, the surface cleanliness and quality of the plate blank are improved, and product defects caused by incomplete descaling and surface damage are avoided.

The embodiment of the invention provides a tunnel drainage blind pipe crystal substance cleaning device, and relates to the technical field of tunnel blind pipe cleaning devices. The tunnel drainage blind pipe crystal substance cleaning device comprises a water outlet pipe fitting main body part, a rotary driving part and a rotary flushing and cleaning part. The lantern ring base is arranged outside the water guide cylinder pipe in a sleeving mode, and the connecting pipe is communicated with the water guide cylinder pipe. The rear seat shell is in running fit with the disc on the front side of the seat frame, and the disc is provided with communicated water through holes. The conical disc shell is installed at the front end of the disc, and the scraping piece is installed at the radial position of the conical disc shell. Compared with a traditional mode that when a high-pressure water gun stretches into the blind pipe for washing, a solution can be sprayed out along the axial position of the blind pipe to wash impurities in the blind pipe, the scraping and washing piece in the cleaning device rotates in the radial position to wash the impurities attached to the inner wall of the blind pipe. And the inner wall of the blind pipe can be flushed along the radial position while gradually moving forwards in the blind pipe, so that a better cleaning and flushing effect is achieved.

The invention relates to the technical field of conveying devices, in particular to a food industrial processing conveying device which comprises a conveying frame, a flushing mechanism, a wiping mechanism and a drying mechanism. High-pressure water flow is conveyed into the connecting box through the water pump and the flow dividing box, the conveying belt rotating to the position below the conveying frame is washed through the washing head, the two rotating rollers located below synchronously rotate so that the wiping belt can be driven to rotate, residual stubborn impurities on the surface of the conveying belt can be cleaned again, and the cleaning efficiency is improved. The wiping belt is arranged on the conveying surface, moisture on the conveying surface is dried through the drying belt, normal use of the conveying belt can be guaranteed while the cleaning effect is guaranteed, the used wiping belt is washed through the spray washing plate, the cleanliness of the wiping belt can be guaranteed, the used wiping belt and the drying belt are extruded through the extrusion roller, and the cleaning effect is improved. And excessive water is prevented from remaining in the wiping belt and the drying belt.

The invention relates to a method for preparing rubber powder by adopting a high-pressure water jet composite method. The method comprises the following preparation steps: S1, crushing rubber particles; s2, performing impact type filtration; s3, internal circulation of the rubber powder liquid; and S4, solid-phase separation and recovery. The cavitation effect and the high-speed impact effect in ultrahigh-pressure water jet can enable a rubber material to achieve the low-temperature crushing effect at the normal temperature, so that the purpose of preparing fine rubber powder can be achieved at the normal temperature in a low-energy-consumption, low-cost and environment-friendly manner; meanwhile, the actual filtering area of the filter cartridge is increased to the maximum extent, and the filtering effect and efficiency are improved to a great extent.

The invention relates to the technical field of cleaning equipment, in particular to an underwater cavitation jet observation experiment device and method based on a triangular reflector, and the device comprises a jet control device, an impact observation device, a plurality of light source assemblies and a high-speed camera. The spraying control device comprises a nozzle, and external high-pressure water flow is sprayed out downwards from the nozzle after passing through the pump pipe; the impact observation device comprises a clamping device. The clamping device comprises a triangular prism reflector and a support used for placing the triangular prism reflector. A shot picture of the high-speed camera can simultaneously comprise a free jet flow area and a jet flow impact area reflected by the triangular prism reflector. According to the double-angle free cavitation jet flow observation device, the three-edged reflector is utilized, cavitation flow evolution of a free jet flow area of cavitation jet flow and a jet flow impact area reflected by the three-edged reflector can be observed at the same time, and double-angle free cavitation jet flow observation is achieved.

The invention discloses a method for synergistically preparing recycled aggregate from urban renewal garden waste and building waste, and relates to the field of treatment of garden waste and building waste. The method comprises the following steps: carrying out molecular-level deconstruction pretreatment on garden wastes, destroying cell walls by adopting dual-frequency ultrasound combined with biological enzymolysis, and treating the building wastes by combining high-pressure water jet with abrasive impact; performing nano-scale composite granulation, adding a nano-composite binder, and introducing CO2 to form a gel transition layer; by means of plasma-assisted sintering, particle diffusion is accelerated by means of radio-frequency plasma and an electric field; chemical vapor deposition is adopted, and a TiN-TiO2 gradient functional coating is formed; real-time monitoring and regulation are performed through a multi-mode sensor network and an intelligent algorithm, and process parameters are adjusted according to a product performance prediction result. The recycled aggregate disclosed by the invention is high in strength, good in heat preservation and strong in freezing resistance; negative carbon emission reduction is achieved in the production process, an intelligent system guarantees stable product quality, environmental protection and economic benefits are achieved, and urban update and solid waste treatment green transformation are promoted.

The invention discloses automatic high-pressure water and sand deburring equipment which comprises a conveying line, a high-pressure water deburring mechanism, a water and sand deburring mechanism and a cleaning mechanism. The conveying line is used for conveying workpieces to be cleaned to the high-pressure water deburring mechanism, the water sand deburring mechanism and the cleaning mechanism in sequence. The high-pressure water deburring mechanism conducts rough deburring on the workpiece, the water sand deburring mechanism conducts fine deburring on the workpiece, and the cleaning mechanism removes water sand remaining on the surface of the workpiece. According to the deburring device, rough deburring is conducted through the high-pressure water deburring mechanism, then fine deburring is conducted through the water sand deburring mechanism, the multi-angle control mechanism is combined, burrs on the surface of a workpiece can be removed in an omnibearing and dead-corner-free mode, and the deburring quality and efficiency are effectively improved; the equipment is provided with a water and sand recovery mechanism, burrs, water and sand can be filtered and recovered, cyclic utilization of resources is achieved, the production cost is reduced, and the influence on the environment is reduced.

The invention relates to the technical field of seedling transplanting, and discloses mangrove forest seedling transplanting equipment which mainly comprises a high-pressure water gun integrated with a high-pressure water pump, a bearing mechanism mounted on a gun barrel and a water inlet head. The bearing mechanism is provided with a clamping assembly for clamping stems of seedlings and a bearing table for bearing roots of the seedlings, and is provided with an ejection assembly in a matched mode. Through mechanical linkage of a sliding sleeve, a driving plate, a movable connecting rod and a bearing disc, when a lifting rod is operated, the ejection assembly can automatically complete the actions of firstly opening a clamping assembly to release a stem and then ejecting the bearing disc to support the root of a seedling in sequence. During working, a high-pressure water gun is used for spraying water flow to impact on the mud flat to form a planting pit, and seedlings are placed at the bottom of the pit without damage in a water-rich environment. The problem that traditional manual transplanting easily causes mechanical damage to seedling rhizomes is solved.

The utility model discloses a magnetite powder composite cleaning mechanism for a magnetic separator roller, which comprises a magnetic separator body, a cleaning component is arranged on the magnetic separator body, the cleaning component comprises a magnetic suction mechanism and a spraying mechanism, the spraying mechanism is arranged below the magnetic suction mechanism, and the magnetic suction mechanism is arranged on the magnetic separator body. The magnetic attraction mechanism comprises a pipe body and a magnet arranged on the inner side of the pipe body, a scraping mechanism is arranged on the side edge of the magnetic attraction mechanism and comprises a reciprocating lead screw, a supporting arc plate and a scraping plate, and the reciprocating lead screw is sleeved with the supporting arc plate; the spraying and removing mechanism and the magnetic attraction mechanism are additionally arranged on the magnetic separator, the spraying and removing mechanism can work to spray high-pressure water flow to the roller to remove magnetite powder adhered to the roller, primary cleaning of the roller is achieved, a strong magnetic field is generated through the magnetic attraction mechanism, and the magnetite powder adhered to the roller is separated and moved to the magnetic attraction mechanism. Secondary cleaning of the roller is achieved, and cleaning of the roller is effectively and comprehensively achieved.

The invention discloses a washing tower combined spraying device and a washing tower, and relates to the technical field of washing towers, the washing tower combined spraying device comprises a spraying pipe, a supporting ring and a connecting pipe frame, a filler cage is arranged on the supporting ring, a plurality of rotating abutting plates are arranged at the two ends of the filler cage, the peripheral face of the connecting pipe frame communicates with four high-pressure washing pipes, and a sliding water pipe is arranged in the connecting pipe frame; the end of the sliding water pipe communicates with a telescopic water pipe, a water pump is arranged at the end of the telescopic water pipe, two abutting assemblies and two limiting assemblies are arranged in the supporting ring, two overturning toothed plates are arranged on the supporting ring, and a transmission ring is arranged at the bottom of the sliding water pipe. The water pump is additionally arranged to enable the sliding water pipe to move so as to drive the filler cage to turn over, filler in the filler cage is flushed through the high-pressure flushing pipe, high-pressure water pushes the filler cage to rotate while flushing is conducted, and therefore the filler cage generates centrifugal force to throw impurities out of the filler cage, and the cleaning effect can be improved through high-pressure water flushing and the centrifugal force; therefore, the treatment effect of the washing tower is improved.

The invention discloses a crack detection device for engineering detection, and relates to the technical field of crack detection, the crack detection device for engineering detection comprises an underwater mechanical arm, a visual camera, an opening and closing mechanism, a pulse high pressure water cleaning mechanism, a coupling agent filling mechanism and an ultrasonic transducer; the pulse high-pressure water cleaning mechanism can clean cracks and peripheral impurities in all directions, and interference of the cracks and the peripheral impurities on detection signals is avoided; the coupling agent filling mechanism is used for accurately filling a coupling agent to guarantee stable transmission of ultrasonic waves; the underwater mechanical arm cooperates with the opening and closing mechanism to realize accurate positioning and operation, and the visual camera provides real-time image assistance; multiple functions are integrated, all mechanisms work cooperatively, the problems that in the prior art, impurity cleaning is difficult, the coupling effect is poor, equipment positioning and operation are inconvenient, and the function is single are effectively solved, the accuracy, reliability and efficiency of underwater crack detection are remarkably improved, and powerful support is provided for safety detection of an underwater engineering structure.

The invention provides a non-explosion excavation construction method based on ultrahigh pressure water jet cutting, which comprises a mobile platform, the mobile platform is provided with a water jet mechanical arm, a wet spraying mechanical arm, an arch anchor mechanical arm and an auxiliary frame arch arm, and the lower part of a lower layer frame body of the mobile platform is hollowed out and is provided with a movable tunneling slag-raking machine; the tunneling crawler loader is provided with a splitting drill mechanical arm or a breaking hammer mechanical arm; planning the arrangement position of a slag discharge hole, the movement track of a jet flow module, jet flow parameters and the arrangement of a splitting hole; the arch anchor mechanical arm moves forwards, and drilling operation of a slag discharging hole is conducted; the water jet cutter mechanical arm moves forwards and cuts the contour line with the slag discharging hole as the starting point; the tunneling slagging-off machine synchronously carries out excavation operation in the passing space, and gravels and muck are conveyed to the rear portion to be discharged; after the single-cycle operation is finished, the movable platform and the tunneling crawler loader move forwards, the wet spraying mechanical arm and the auxiliary frame arch arm carry out arch erecting, net hanging and primary spraying operation, and the non-blasting excavation problem under the sensitive geological conditions of superhard rock, high ground stress and the like is solved.

The invention relates to the technical field of ocean engineering, and discloses a cabin cleaning device based on a stainless steel chemical tanker. The high-pressure water pipe is arranged on the robot main body; the two-way pipe is rotationally arranged at the end part of the high-pressure water pipe; the connecting pipe is detachably mounted with the two-way pipe, one end, close to the two-way pipe, of the connecting pipe is a water inlet end, and the other end of the connecting pipe is a water outlet end; the front end spray head is arranged at the water outlet end of the connecting pipe, the centrifugal jet flow assembly is arranged on the connecting pipe, the centrifugal jet flow assembly comprises a flow divider fixed to the water outlet end of the connecting pipe and a flow dividing channel formed in the flow divider, the flow divider is fixed to the front end spray head, and multiple sets of circulation openings are formed in the front end spray head in the circumferential direction. The centrifugal jet flow assembly and the driving mechanism are arranged, the impeller is driven to rotate through kinetic energy of water flow, then the adjusting disc is driven to be switched to the centrifugal jet flow mode, and efficient stripping of stubborn stains is achieved.