1861 results about "Water jet" patented technology

The present invention provides a method for designing an abrasive water jet-disc cutter combined rock-breaking cutter head, a system therefor, a cutter head and a tunnel boring machine (TBM), wherein the key technology of designing the abrasive water jet-disc cutter combined rock-breaking cutter head of the TBM are provided from the aspects of determining a combined rock-breaking combination mode, configuration of cutter operation parameters and optimization of the combined cutter head; the performance of the abrasive water jet-disc cutter combined rock-breaking cutter head manufactured according to the optimized layout parameters is improved; and a new idea is provided for the development and application of a full-section rock tunneling machine in the field of underground engineering.

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 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.

A self-cleaning method of a washing machine comprises the steps that after each washing procedure is finished, a system automatically detects the real-time humidity and the residual dirt concentration of an inner container of the washing machine, if the humidity is higher than a preset threshold value and the dirt concentration exceeds a datum line, an ultraviolet disinfection process is automatically triggered, UV-C lamp tubes installed on the top and the side wall of the inner container are started for irradiation sterilization, and the ultraviolet disinfection process is stopped; the duration time is 10-30 minutes, the built-in water flow nozzle module is activated in a set period or when a high dirt accumulation level is detected according to dynamic adjustment of the environment temperature and humidity and the use frequency, and the wall face of the inner container, the door seal ring and the drainage pipeline are flushed in all directions through high-pressure pulse water flow. According to the invention, the fundamental conversion from passive response to active prevention is realized, the equipment can perceive the environmental state of the inner container in real time by integrating a multi-dimensional sensor network and an AI prediction model, trend pre-judgment is carried out based on big data of user use habits, water quality conditions and washing modes, and a cleaning program is started when pollution does not appear so as to nip in the bud.

Food material processing equipment based on water jet comprises a sorting assembly, a food material overturning assembly I, a food material overturning assembly II, a cleaning assembly, a discharging guide rail and a material blocking assembly, the discharging end of the sorting assembly is higher than the feeding end of the food material overturning assembly I, and the sorting assembly and the food material overturning assembly I communicate with each other through the discharging guide rail; the feeding end of the food material overturning assembly II is higher than the discharging end of the food material overturning assembly I, and the feeding end and the discharging end are communicated through a discharging guide rail. The food material overturning assembly I comprises a workbench III, a revolution assembly and an autorotation assembly, the revolution assembly is rotationally installed on the workbench III, and the autorotation assembly is arranged at the rotating end of the revolution assembly. By arranging the food material overturning assembly I, quasi-cylindrical food materials can be driven to rotate through the rotating shaft, and at the moment, the rotating food materials can be cleaned. And the sheet-shaped food materials can fall into the cross-shaped overturning box, then the food materials are driven to be overturned, and then the overturned food materials are cleaned. In this way, the food materials do not need to be manually turned over, and the food material cleaning efficiency is improved.

The invention discloses a coaxial multi-atmosphere water-guided laser processing device. The coaxial multi-atmosphere water-guided laser processing device comprises a laser generating module, a light-water coupling module, a protective airflow generating module and a composite nozzle assembly. And the light-water coupling module performs total reflection coupling on the water jet and the laser through the liquid nozzle to form the laser water jet. The protection airflow generation module comprises a first protection airflow generation module and at least one second protection airflow generation module and can generate multiple layers of coaxial protection airflow, the first protection airflow spirally surrounds the outer side of the laser water jet, and the second protection airflow further surrounds the outer side of the first protection airflow. The composite nozzle assembly is composed of a first nozzle and at least one second nozzle which are sequentially and coaxially nested from inside to outside, and finally outputs coaxial composite jet flow composed of laser water jet flow and multiple layers of protective airflow. The technical problem that in the prior art, it is difficult to achieve efficient drainage, prevent melt from splashing back and maintain stability of water jet at the same time is solved.

The invention discloses a shield tunneling machine cutterhead water jet control method, and relates to the technical field of shield tunneling machine engineering, and the method comprises the steps: obtaining the current rotation state parameters of a cutterhead and the geological parameters of a tunneling face; determining the wear risk level of each area of the cutterhead according to the parameters; whether a high-risk area exists or not is judged, if yes, a directional water jet mode is started to conduct centralized scouring on the high-risk area, and if not, a uniform water jet mode is started to conduct comprehensive scouring on the cutterhead; cutting efficiency parameters are monitored in real time, whether the cutting efficiency parameters are lower than a preset efficiency threshold value or not is judged, and if yes, a pulse water jet mode is started to remove adherends on the surface of the cutterhead. Partition precise control and multi-mode intelligent switching of water jet are achieved, the cutter head protection effect and the water resource utilization efficiency are improved, and the service life of the cutter head is prolonged.

A water-guided laser assembly and a precision machining assembly are fixed to the same side of a sliding plate of a vertical five-axis machine tool, an ultrasonic vibration platform is installed on a C-axis workbench of the vertical five-axis machine tool, and the water-guided laser assembly, the ultrasonic vibration platform and the precision machining assembly are controlled by an industrial personal computer to cooperate with each other; a positioning measuring head is adopted to realize relative compensation of the water jet and the cutter; the water jet cooling effect is utilized in water-guided laser processing to reduce the heat affected area and improve the processing quality; ultrasonic vibration auxiliary machining effectively reduces cutting force, inhibits the surface water return phenomenon, improves machining efficiency and prolongs the service life of a cutter; and precise machining (milling, grinding and drilling) is carried out, so that the machining size precision is accurately corrected, and the residual laser-induced damage layer is removed. Through multi-energy-field in-situ combined machining, collaborative optimization of technological parameters and coordinate compensation, the problems of insufficient precision, low efficiency, thermal damage and the like during machining of complex geometrical shapes and difficult-to-machine materials in a single machining technology are solved.

The present invention relates to a high pressure water jet automatic drilling and cutting collaborative system and method for coal seams, and belongs to the field of coal seam gas control. The system comprises a drilling and cutting collaborative control platform, an automatically regulated slotting pump unit and an automatically regulated drill; the drilling and cutting collaborative control platform comprises a coalbed gas geology management system, a decision analysis system, a drilling and cutting collaborative execution system, a monitoring and feedback system, and an information management and evaluation system; construction operation parameter instructions issued by the drilling and cutting collaborative control platform are executed by the automatically regulated slotting pump unit and the automatically regulated drill; coal seam geological information is recorded by the coalbed gas geology management system, and reasonable drilling and cutting construction parameters are analyzed and formulated by the decision analysis system based on the coal seam geological information. Drilling and cutting collaborative construction, on-site operation construction parameter monitoring, and real-time feedback and adjustment are realized by the drilling and cutting collaborative execution system and the monitoring feedback system according to the operation parameter instructions. Coal seam outburst prevention and control effects in a drilling and cutting collaborative implementation area is evaluated by the information management and evaluation system. The present invention improves safety of on-site operators, and reduces personnel input and labor intensity.

The invention relates to a water jet-laser / mechanical energy field cooperative precision machining method for a ceramic base material, and belongs to the field of laser-mechanical cooperative machining. During the execution period, the method comprises the following steps in sequence: firstly, carrying out rapid and low-damage precise material reduction on the ceramic matrix composite material through water jet assisted laser; and then, a superhard forming grinding wheel on the same machine tool is matched with mixed grinding fluid to conduct in-situ finishing and polishing on the surface obtained after material reduction. Wherein the surface quality can be improved while high-efficiency machining is ensured through the synergistic combination of laser and machinery. Through the in-situ grinding and polishing effect of the grinding wheel and the mixed grinding fluid, the precision of a formed surface is higher, and a damaged layer is thinner and even completely removed. Based on a water jet assisted laser milling / mechanical grinding and polishing collaborative machining strategy, rough machining, finish machining and fine polishing of the ceramic matrix composite can be completed on the same equipment, and the method has the characteristics of being high in precision, high in efficiency, high in quality and extremely low in surface damage.

The invention relates to the technical field of coal mining and mine safety engineering, and discloses a coal pillar stability dynamic monitoring and pressure relief control method for gob-side entry driving, which comprises the following steps: collecting multi-field coupling signals of a coal pillar, and collecting environmental data of a roadway; analyzing the stability of the coal pillar according to the multi-field coupling signal, and when an analysis result does not meet a stable condition and the environmental data does not meet an environmental condition, generating a cooperative control instruction of the high-pressure water jet system integrated with the solid-liquid waste collection device; executing directional hydraulic fracturing pressure relief operation on the coal pillar area according to the cooperative control instruction, and monitoring the stress distribution and fracture closing state of the coal pillar after pressure relief; hydraulic parameters of the high-pressure water jet system are adjusted according to the coal pillar stress distribution and the fracture closed state; and when the coal pillar recovers the stable state and the environmental data meet the environmental conditions, controlling the pressure relief operation of the coal pillar area according to the cooperative stop instruction. According to the method, the accuracy of dynamic monitoring and pressure relief control of the stability of the coal pillar of gob-side entry driving can be improved.

The invention discloses a ground single-hole multi-branch water jet radial coal breaking and permeability increasing extraction method, which comprises a directional drilling system, a filling system, a water jet coal breaking system, a deslagging system and a gas extraction system, and is characterized in that a vertical drilling hole is constructed on the ground, a centralizer and a whipstock are arranged at a coal seam junction, and a drill bit deflects to enter a coal seam construction horizontal branch drilling hole; three horizontal branch drill holes are constructed in each coal seam, the included angle is 120 degrees, after horizontal branch drill hole construction is completed, water jet coal breaking is carried out once every time a drill rod is withdrawn, coal seam air permeability is improved until all the drill rods are withdrawn, the process is repeated, drilling and water jet coal breaking work is carried out on other horizontal branch drill holes, and drill rods and drilling tools are withdrawn after all the work is completed. And the flange of the ground casing pipe is connected into an extraction system. The gas extraction work of the ground drilling coal seam group is realized; drill retreating and water jet coal breaking are carried out synchronously, and the air permeability of a coal seam is improved; gas extraction work of the coal seam group is achieved through ground drilling, and the gas control level is improved.

The invention provides a pipeline detecting and cleaning robot, which belongs to the technical field of pipeline robots and comprises a main body, a first motor, an image acquisition detector and a cleaning assembly. Two supporting assemblies are arranged on the main body, each supporting assembly comprises a plurality of supporting rods evenly arranged in the circumferential direction of the main body in a surrounding mode, one ends of the supporting rods are connected with the main body, the other ends of the supporting rods are provided with walking wheels, the first motors are arranged on the supporting rods, the main body is driven to move in a pipeline by driving the walking wheels, and the image acquisition detector is arranged at the front end of the main body. The cleaning assembly is arranged at the front end of the main body and comprises a crushing wheel and a high-pressure water spray head, the crushing wheel is driven by a second motor arranged at the front end of the main body and used for crushing garbage, and a high-pressure water spray head pipe is arranged towards the front end of the main body and used for spraying high-pressure water to wash the garbage. The pipeline detecting and cleaning robot provided by the invention can replace manual work to detect and clean the pipeline, so that the safety and the convenience are greatly improved.

The invention discloses a balance-double-rotation-field spray gun, and belongs to the technical field of agricultural water-saving irrigation. The spray gun comprises an outer barrel, a central water supply pipe, a driving rotating shaft, a planetary reducing mechanism, a high-speed backflushing driving arm and a low-speed spraying arm. A fixed inner gear ring is arranged in the outer cylinder body; the central water supply pipe is axially arranged; the driving rotating shaft is rotatably arranged outside the central water supply pipe in a sleeving manner; the input end of the planetary reduction mechanism is in driving connection with the lower end of the driving rotating shaft; the high-speed backflushing driving arm is fixed at the upper end of the driving rotating shaft, is internally provided with a first water distribution cavity communicated with the central water supply pipe, and is provided with at least one pair of driving nozzles capable of spraying reversely; and the low-speed spraying arm is rotatably mounted at the upper end of the central water supply pipe and is in driving connection with the output end of the planetary reducing mechanism. During working, the driving nozzle sprays water flow to generate counter-acting force, the high-speed backflushing driving arm and the driving rotating shaft are driven to rotate at a high speed, and the rotation drives the low-speed spraying arm to rotate at a low speed after being subjected to speed reduction and torque increase through the planetary speed reduction mechanism, so that a differential synergistic double-rotation irrigation field is formed. Unification of long range, high uniformity, self-driving, excellent atomization, high sealing, strong stability and moderate flow is realized.

The utility model provides a water-jet guided laser processing device capable of preventing damage to a wall, which comprises a water-jet guided laser processing head for coupling a laser beam with a water beam and outputting water jet for water-jet guided laser processing; the tool is used for clamping a workpiece to be machined; the quick-change base is connected with the tool, and at least one blocking generator is installed on the quick-change base in the direction facing a workpiece. When water jet is used for layer-by-layer water-guided laser processing and penetrates through the last layer of a processing area to be emitted to an opposite wall, the steady state of the water jet is blocked through a blocking signal emitted by a blocking generator, a steady-state water beam is damaged, and a laser light path is prevented from being transmitted to the opposite wall. Through the design of the water-jet-guided laser machining device, laser residual energy can be effectively attenuated, laser energy is prevented from directly acting on opposite walls in an uncontrolled penetration mode, therefore, the integrity of machined parts is protected, the defect that the opposite walls are damaged in traditional water-jet-guided laser machining is overcome, and high-precision and high-reliability water-jet-guided laser machining is achieved.

The present application relates to the manufacturing technical field of aero-engine blisk, in particular to an integrated forming machining method for blisk machining, which combines abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining to form an integrated machining method. First, the characteristics of the theoretical model of the blisk part are analyzed, simplified and reconstructed to build a water jet machining process model of the blisk. Then, the abrasive water jet equipment is applied to remove the material of the rough machining of the blade body. After that, the double-sided feeding electrolytic finishing method is determined to machine the blade body and the flow channel of the blisk. Then, the blade body and the flow channel are machined by a sand belt robot. Finally, the precision machining of the blisk is completed. The present application combines the advantages of abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining, re-plans the machining method and technical path of the blisk, effectively reduces the machining difficulty of the part, finally guarantees the dimensional accuracy and position accuracy of the part, and realizes the high-performance manufacturing and machining of the blisk.

Water jet-assisted sludge extraction and conveying device, characterized in that it comprises: an extrusion pump body (1) for supplying the drive for conveying sludge from the tunnel, wherein the extrusion pump body (1) is provided with a first water inlet pipe (2) for sludge supply and a first water outlet pipe (3) for conveying sludge; a return and processing pipeline for assisting the extrusion pump body (1) in suctioning and conveying the sludge, wherein the return and processing pipeline comprises a filter element, an air bag pressurization element and a water jet flushing element, wherein the filter element is configured to separate sludge water from the sludge coming from the extrusion pump body (1) and convey the sludge water to the air bag pressurization element, the air bag pressurization element is configured to pressurize and dilute the sludge water to obtain high-pressure sludge water, and convey the high-pressure sludge water to the water jet flushing element, the water jet flushing element is configured to return the high-pressure sludge water to the sludge in the tunnel; a suction and conveying element for suctioning sludge and conveying sludge to the first water inlet pipe (2); a sand cleaning element which is connected to the air bag pressurization element and is designed to return the high-pressure sludge water in the air bag pressurization element to the first water inlet pipe (2) and thereby flush the first water inlet pipe (2) and the extrusion pump body (1).

The invention discloses a ship rust removal mechanical arm anti-interference motion control method introducing jet flow counter-acting force, and relates to the technical field of ship rust removal equipment control. Aiming at the problems of poor robustness, easy saturation of an integral term and poor dynamic response effect when a ship rust removal mechanical arm is faced with water jet reaction force and other interferences in traditional PID control, the invention provides an active disturbance rejection control (ADRC) scheme introducing jet reaction force. The method comprises the following steps: constructing a jet reaction force model, mapping the jet reaction force model into a joint torque compensation item based on a Jacobian matrix, and integrating the joint torque compensation item to an ADRC control law; an improved tracking differentiator, a nonlinear extended state observer (ESO) and a nonlinear state error feedback (NLSEF) module are designed, real-time estimation and compensation of internal and external disturbance of a system are achieved, and joint control performance is optimized. Experiments show that by means of the method, the joint angular displacement tracking error can be reduced by 10% or above, the adjusting time is shortened to 2 s from 10 s, the absolute value of the transient error is smaller than 0.3 rad, and the anti-interference capacity and the control precision of the mechanical arm are remarkably improved.

The invention discloses a building leakage detection device and a detection method, the building leakage detection device comprises an infrared thermal imager, a walking vehicle, a blowing head, a covering and blocking cover and water color developing test paper, the blowing head, the covering and blocking cover and the infrared thermal imager are connected with an adjusting piece, a vehicle body is provided with a longitudinal sliding groove and a transverse sliding groove, and the adjusting piece can slide along the longitudinal sliding groove and the transverse sliding groove. A high-pressure sprinkler head is arranged in the covering and blocking cover and is communicated with a water storage tank through a water pump and a water supply pipe, a fluorescent sheet is arranged in the water storage tank, and the water-encountering color-developing test paper can be attached to the right side of a building wall; through the arrangement of the infrared thermal imager, the air blowing head, the wrapping and blocking cover, the water-encountering color developing test paper and the high-pressure water spraying head, hot air is blown to the building wall firstly, then infrared imaging detection is conducted, the use time does not need to be detected through a card, and use is convenient; afterwards, the abnormal position is subjected to water immersion detection, then the water immersion position is subjected to cold air drying, damage to a building wall is reduced, a fluorescent sheet in water can mark leakage gaps, and repair and maintenance are facilitated.

The invention relates to the technical field of concrete fracture tests, in particular to a preparation method of a transparent resin-based imitation concrete material. Comprising the following steps: S1, weighing raw materials: weighing epoxy resin and a curing agent according to a mass ratio of 20: 1; s2, material mixing: pouring the epoxy resin and the curing agent into a stirring cup, placing the stirring cup in a planetary gravity stirrer, and performing high-speed mixing under a vacuum condition; s3, water bath cooling: putting the mixed liquid subjected to vacuum defoaming into cold water for water bath cooling; s4, pouring and forming: slowly pouring the cooled mixed solution into a mold, and standing and primarily curing at room temperature to form an initial setting body; s5, constant-temperature curing: transferring the mold containing the initial setting body into a constant-temperature drying oven, and continuously curing; and S6, demolding the test piece: after curing is completed, removing the mold to obtain the transparent imitation concrete resin test piece with a smooth surface and no bubbles inside. By adopting the transparent resin-based imitation concrete material, the damage characteristic can be directly observed, and an experimental basis is provided for high-pressure water jet stress wave cracking concrete.

The invention discloses a processing method for improving the cutting efficiency of a water-guided laser thick plate material, which comprises the following steps: in the initial cutting stage, establishing an initial drainage channel with the outer vertical surface of the thick plate material through a lead or a spiral line drill hole; after the initial channel is established, the thick plate material is cut along the cutting channel with the initial drainage channel as the starting point, and a target cutting workpiece is obtained; wherein in the process of cutting along the cutting channel, a feed type reciprocating cutting mode and / or a swing cutting scanning strategy are / is adopted for penetrating type cutting. On the basis, the stability of the water jet and the continuity of the total reflection condition in the cutting process are guaranteed to the maximum extent, and therefore the cutting efficiency can be greatly improved.

A system for selectively opening flexible containers, such as plastic bags, in a mixed solid waste stream is disclosed, for use in Material Recovery Facilities (MRFs) or other contexts. The system may include a conveyor configured to transport waste, a sensor configured to detect the presence and position of flexible containers, and a multi-degree-of-freedom positioning device that moves a cutting tool relative to the containers. A processor, in communication with the sensor and positioning device, may calculate a cutting path and control the positioning device to execute the cutting operation. The system may utilize various cutting tools, including punches, blades, spades, shovels, and motorized saws, as well as non-contact fluid-based cutting technologies such as air or water jets. Additionally, the system can dynamically adjust the cutting trajectory based on real-time feedback and environmental conditions. The method provides an adaptable solution to open bags without damaging recyclable materials, improving throughput and reducing waste in mixed waste streams.

Some variations provide a cut-and-capture system configured for demilitarization of an underwater munition, comprising: a docking platform that is sealably positionable onto an underwater munition; a first manipulator arm to manipulate the docking platform onto the munition; a high-pressure waterjet cutting tool configured to be reversibly sealably placed into the docking platform; a washout tool configured to be reversibly sealably placed in the docking platform, wherein the washout tool generates waste from the munition; a bladder that stores munition waste; a second manipulator arm to manipulate the cutting tool and the washout tool into the docking platform; an abrasive feed subsystem that delivers an abrasive to the cutting tool; and a system control module with electrical and hydraulic control hardware, to control the docking platform, cutting tool, abrasive feed subsystem, the washout tool. Other variations utilize a multifunctional device that contains the cutting tool, the washout tool, and other tools.

The utility model provides a monocrystalline silicon water-guided laser processing system based on double support. The monocrystalline silicon water-guided laser processing system comprises a laser; a spectroscope; a focus lens; a water guide processing head; the monocrystalline silicon wafer is subjected to water-guided laser cutting processing through water jet; transparent glass which is attached to the monocrystalline silicon wafer from the bottom direction, is integrated with the monocrystalline silicon wafer, and supports the monocrystalline silicon wafer; the clamp comprises an upper clamp and a lower clamp which are respectively used for clamping from the upper surface of the monocrystalline silicon wafer and the lower surface of the transparent glass; and a buffer layer between the upper jig and the upper surface of the monocrystalline silicon wafer. According to the utility model, the high-transmittance glass is used as a bottom support material, so that effective support is provided, laser in the processing process is dissipated, the monocrystalline silicon is prevented from being damaged, edge breakage and cracks caused by water flow impact are reduced, and the quality of monocrystalline silicon water-guided laser processing is improved. Meanwhile, the elastic gasket is additionally arranged on the contact surface of the clamp and the monocrystalline silicon wafer for buffering and protection, so that the surface quality of a processed finished product is improved.

The large stone cutting machine with the adjustable water spraying position comprises a portal frame, a cutting saw blade, a control box, a back plate and a water spraying mechanism, the water spraying mechanism comprises a water conveying pipeline, a spraying head, a bearing plate, a roller, a pull rope, a linear guide rail, an electric rotary table, a magnetic attraction block and a metal block, and stone can be placed below the cutting saw blade to be cut; in the cutting process, the linear guide rail can drive the electric rotary table and the magnetic attraction block to move above the roller, when the magnetic attraction block moves to the position above the metal block, magnetic attraction can be conducted, and after magnetic attraction is completed, the electric rotary table can drive the roller to rotate through the magnetic attraction block and the metal block, so that the pull rope is further wound; and the number of the rollers is two, the position of the water conveying pipeline in the arc-shaped rail groove can be adjusted by controlling the different rollers to rotate, and water sprayed out of the spray heads can conduct targeted cooling and dust falling on different positions of the cutting saw blade.

To provide an adhesive tape for processing an electronic component capable of stably holding a substrate to be processed.SOLUTION: An adhesive tape 10 for processing electronic components includes a base material 11, a mesh layer 12 having a plurality of openings O1, and an adhesive layer 2 disposed on a first surface S1 of the base material 11. The base material has a sea-island structure having a region X that can be cut by water-jet laser processing from the surface on the adhesive layer side of the adhesive tape for processing electronic components and a region Y that cannot be cut by the water-jet laser processing in a plan view as viewed from the S1 of the second surface side opposite to the S2 of the first surface of the base material, in which the region X is an island and the region Y is a sea.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of robots, and discloses a ship and bridge dual-purpose cleaning robot and a cleaning control method. The main body structure comprises a resistance reduction-propulsion integrated power system jointly formed by a fairing and a vector nozzle, a grading collaborative cleaning module jointly formed by a cavitation water jet module and a grinding cleaning module, an adsorption system and an auxiliary supporting module, and the auxiliary supporting module comprises a plurality of auxiliary supporting mechanical arms and is used for achieving the purpose of cleaning the water jet in a cleaning mode and an underwater swimming mode. By adjusting the position of a supporting point in real time, the device adapts to structural changes of ribs and bilges of a hull and is used for being matched with an adsorption system and a vector sprayer to form an alternate-cooperative dual-working mode, and different operations of vertical climbing and surface-changing movement are assisted to be completed. The device has multiple purposes, can continuously work on a ship body and a bridge pier, does not need to be modified or replaced by multiple machines, and reduces the comprehensive use cost. And meanwhile, multi-machine cooperation is supported, an efficient cluster cleaning mode is formed, and the operation efficiency and economical efficiency are further improved.

The utility model relates to the technical field of medical instruments, and particularly discloses a water jet pressurizing device which comprises a pump body, a liquid inlet connector, a liquid outlet connector, a first one-way pre-tightening valve and a second one-way pre-tightening valve. The pump body is provided with a piston cavity, one end of the pump body is provided with a first cavity and a second cavity, a liquid inlet channel is communicated between the first cavity and the piston cavity, and a liquid outlet channel is communicated between the second cavity and the piston cavity; one end of the liquid inlet connector is installed in the first cavity, and a first conical surface is arranged on the inner wall of the end, close to the liquid inlet channel, of the liquid inlet connector. The first one-way pre-tightening valve is arranged between the first conical surface and the pump body; one end of the liquid outlet connector is installed in the second cavity, and a second conical surface is arranged at the end, close to the liquid outlet connector, of the liquid outlet channel. And the second one-way pre-tightening valve piece is arranged between the second conical surface and the liquid outlet connector. According to the secondary emptying device, secondary emptying of the pump body can be effectively achieved, the emptying efficiency is high, and the operation risk and the operation cost are reduced.

The invention relates to a rock breaking hob mechanism, a using method of the rock breaking hob mechanism and a tunnel boring machine. The rock breaking hob mechanism comprises a cutterhead, a first hob, a second hob and a nozzle. The cutterhead is configured to be rotatable; the first hob is arranged on the cutterhead; the second hob is arranged on the cutterhead, the first hob protrudes out of the second hob in the axis direction of the cutterhead, and the distance between the first hob and the axis is not equal to the distance between the second hob and the axis in the radial direction of the cutterhead; the nozzle is arranged on the cutter head, the distance between the nozzle and the axis is equal to the distance between the first hob and the axis in the radial direction, and the nozzle is configured to jet fluid. According to the rock breaking hob mechanism provided by the invention, the first hob and the nozzles are cooperatively matched, so that the use amount of the nozzles is reduced, the energy consumption of high-pressure water jet is reduced, and the defect that the cutting seam depth of the high-pressure water jet is limited under a high moving speed working condition is effectively improved.

The invention discloses an abrasive water jet cleaning device and cleaning method.The abrasive water jet cleaning device comprises a cleaning box body, a spray head cleaning assembly and a conveying roller way, and the spray head cleaning assembly comprises a mounting frame, a mounting block and a spray head; the spray head cleaning assembly located on one surface of the steel plate / belt comprises a pair of installation frames, each installation frame is provided with a plurality of spray heads, the cleaning areas of the spray heads on the two installation frames cover the transverse width of the steel plate / belt after being combined, the spray heads on the two installation frames are obliquely arranged, and the spray heads on the two installation frames are arranged in a staggered mode. And the spraying directions of the sprayers face the two transverse sides of the steel plate / strip respectively. According to the cleaning device and the cleaning method, under the condition that optimal process parameters and spatial arrangement conditions of the spray head are met, extremely high part universality can be achieved, modular disassembly can be carried out, and the equipment site requirement can be reduced.