125 results about "Water jet cutting" patented technology

The invention relates to the technical field of waste resourceful treatment, in particular to a sponge titanium weight bottom skin crushing and impurity removing method which comprises the following steps of peeling, bottom skin brake cutting, water jet cutting and crushing, acid leaching and impurity removing, ultrasonic cleaning, argon drying and screening and recycling. The bottom skin is crushed into small-granularity particles by adopting a cross grid water jet cutting technology, metal impurities such as Fe and Ni are removed in combination with acid leaching treatment, residual impurities are removed through multi-stage ultrasonic cleaning, oxidation discoloration is avoided through argon atmosphere drying, and meanwhile water jet sand is recycled; in the process, key indexes such as brake cutting pressure, cutting parameters, acid leaching time and ultrasonic frequency are accurately controlled through a quantification formula. The method effectively solves the problems that equipment is easy to damage during crushing and impurities are difficult to remove in a traditional process, remarkably improves the grade of bottom leather materials, widens the downstream application range, improves the resource utilization rate and economic benefits, and is suitable for industrial batch production.

The invention relates to a dynamic lag compensation method for inclined hole machining of a base of a water jet cutting machine. The dynamic lag compensation method comprises the following steps that S1, machining parameters are obtained; s2, establishing a dynamic lag vector model; s3, based on the target axis vector of the inclined hole, establishing an asymmetric taper prediction model; s4, coupling the dynamic lag vector model and the asymmetric taper prediction model to generate a comprehensive compensation model; s5, real-time reverse compensation is conducted on a preset inclined hole cutting theoretical tool path; s6, the high-pressure abrasive water jet device is controlled to conduct inclined hole machining on the cutting machine base according to the execution path; and S7, in the cutting process, water jet pressure, abrasive flow and nozzle abrasion state parameters are built in real time. The method has the following advantages that accurate compensation of the dynamic hysteresis effect and effective suppression of the asymmetric taper are achieved, the hole axis and position precision is remarkably improved, and the high-quality hole wall shape is obtained.

The utility model belongs to the technical field of water jet cutting, and discloses an anchor withdrawing vehicle water jet cutting device which comprises two assembling covers which are buckled with each other, the opposite faces of the two assembling covers are both provided with coaxial through holes, protective covers are fixedly connected into the through holes, the far ends of the two assembling covers are both connected with a control assembly, and the control assemblies are connected with the two assembling covers. The front faces of the two assembling covers are connected with a connecting and positioning assembly, and the two assembling covers swing mutually and are tightly attached together under the connecting action of the connecting and positioning assembly. Anchor cables are arranged in the two assembling cover through holes in a penetrating mode. Due to the arrangement of the connecting and positioning assembly, the assembling cover and the protective cover can stably wrap the surface of the anchor cable, internal water flow does not splash to the outside as far as possible, and therefore cut water can be guided and guided under the cooperation of the drainage assembly, the water can be circulated, and the environment-friendly effect is achieved; meanwhile, the storage and transportation difficulty of the cutting water is greatly reduced.

Disclosed is a battery disposal apparatus including a cutting part configured to cut and divide a battery, and a discharging part configured to immerse and discharge divided pieces of the battery cut and divided in the cutting part in a discharging solution. The cutting part is configured to incise or cut the battery in a preset pattern by water jet. In addition, disclosed is a battery disposal method in which the battery is cut by using the water jet described above and is discharged.

The utility model is suitable for the technical field of mutton processing, and provides an automatic mutton cutting device which comprises a top plate, a supporting frame is arranged at the bottom of the top plate, a rectangular groove is formed in the top face of the top plate in a penetrating mode, a plurality of rotating rollers are arranged in the rectangular groove, and the rotating rollers are connected with a conveying belt. A carrying table is arranged on one side of the top plate, a mounting block is arranged on the side, close to the conveying belt, of the carrying table, a water jet emitter is arranged on the bottom face of the mounting block, a water inlet pipe is arranged on the top face of the mounting block and communicates with the water jet emitter, and the mounting block is connected with an X-axis driving assembly and a Y-axis driving assembly. Preferably, a strip-shaped groove is formed in the top face of the conveying belt in a penetrating mode. According to the automatic mutton cutting device, the X-axis driving assembly and the Y-axis driving assembly are used for driving the water jet emitter to conduct water jet cutting, cleanliness and sanitation are achieved, the automatic mutton cutting device is suitable for automatic and large-scale operation, water resources are recycled through the strip-shaped groove and the water tank, and energy conservation and environment protection are achieved.

The invention relates to a multifunctional environment-friendly demolition dock which comprises a dock body, a dock gate, a three-axis moving platform, a high-pressure water jet cutting assembly and a negative-pressure suction assembly. An opening is formed in the side wall of the dock main body; the dock gate is movably connected with the opening of the dock main body; the three-axis moving platform is mounted in the dock main body and is provided with a moving end; the high-pressure water jet cutting assembly is connected with the moving end of the three-axis moving platform, and the high-pressure water jet cutting assembly is provided with a high-pressure water jet cutting end; the negative pressure suction assembly is provided with a recovery end communicated with the bottom of the dock main body; a ship to be disassembled is berthed in the dock body, an opening of the dock body is closed through the dock gate to form a totally-enclosed structure, the ship is cut and cleaned through the high-pressure water jet cutting assembly driven by the three-axis moving platform, the ship is located in the totally-enclosed structure, dust diffusion and oil contamination leakage are controlled from the source, and meanwhile, the ship can be disassembled. And waste water, waste oil and waste residues can be recycled through the arranged negative pressure suction assembly.

This design suppresses contamination falling from near the nozzle and prevents splashes of the water jet from scattering into the surrounding area after spraying. [Solution] The water jet cutting device 1 for food includes a main body 1a having a processing chamber 1f inside, a high-pressure water supply device P that generates a water jet, a column 5 that is movable in a first direction and a second direction perpendicular to the first direction, a column cover 6 that covers the periphery of the column 5, a nozzle head 2 fixed to the lower end of the column 5, a nozzle 3 that sprays the water jet supplied from the high-pressure water supply device P via the column 5 and the nozzle head 2, and a tray 4 on which the object to be processed W is placed.

The invention relates to the technical field of underground cutting equipment, in particular to a mining high-pressure water jet anchor cable cutting device. The mining high-pressure water jet anchor cable cutting device comprises a shell, a chuck assembly, a water jet assembly and a buffer assembly, the chuck assembly is arranged at an inlet of the shell, the chuck assembly is provided with a clamping channel so as to clamp or release an anchor cable, a containing cavity is formed in the shell, one end of the containing cavity communicates with the clamping channel so that the anchor cable can stretch into the containing cavity, and the buffer assembly is arranged in the containing cavity. The water jet assembly is connected with the shell and extends into the containing cavity, the buffering assembly is arranged at the end, away from the chuck assembly, of the containing cavity, the output end of the water jet assembly faces the buffering assembly, the buffering assembly comprises a buffering cover, and the radial size of the buffering cover is gradually increased in the direction away from the chuck assembly. And the inner wall surface of the buffer cover is provided with a plurality of buffer runners which are spirally arranged in the axial direction of the shell.

The utility model discloses a water jet cutting and grinding assembly line for glass processing, which comprises a rack, a lifting roller and a suction cup assembly are arranged above the rack, the lifting roller is used for conveying a glass plate, and the suction cup assembly is used for adsorbing and fixing the glass plate; the tool bit assembly is used for cutting or trepanning the glass plate; the grinding head assembly is used for grinding the glass plate after cutting or trepanning; a mounting frame is fixedly arranged on one side of the tool bit assembly, and the grinding head assembly is located on one side of the tool bit assembly and mounted on the mounting frame. The grinding head assembly is arranged on one side of the tool bit assembly, a cut glass plate is directly ground, a notch of the glass plate is prevented from hurting workers, the glass plate does not need to be ground through independent grinding equipment, and machining of the glass plate is more efficient.

The utility model discloses a rock mass crushing device which comprises a vehicle body, and a crushing hammer device, a water jet cutter device and two mechanical arms are carried on the vehicle body. A hammer head of a breaking hammer device is installed at the movable end of one mechanical arm, and a nozzle of a water jet cutter device is installed at the movable end of the other mechanical arm. Through cooperative operation of the breaking hammer device and the water jet cutter device, a dual-action mechanism of physical impact breaking and water jet cutting can be realized. After the hammer head primarily crushes a rock mass, the water jet cutter device can immediately cool and secondarily cut a crushed surface, water flow ejected from the nozzle can erode the surface of the rock mass and enter the rock mass, expansion and development of micro-cracks in the rock mass are accelerated, a water wedge effect is formed, generation of crack grids is promoted, and the crack formation rate is increased. Therefore, the internal temperature of the rock mass can be effectively reduced, energy accumulation in the rock mass caused by too high temperature is avoided, and the rock burst triggering condition is fundamentally inhibited.

The utility model belongs to the technical field of constructional engineering, and discloses an adjustable anchor withdrawing vehicle water jet cutting mechanism which comprises a vehicle body, an electric telescopic rod is arranged in the vehicle body, a mounting rod is arranged at the top end of the electric telescopic rod, and a protective shell is fixedly mounted at the bottom of one end of the mounting rod. A rotating rod is rotationally connected to the interior of the protective shell; the driving motor drives the lead screw to rotate, the fixing block can move on the surface of the lead screw, the fixing block can drive the sliding sleeve and the ball to move, the ball can roll in the fixing groove and can drive the connecting block, the rotating rod and the water jet to rotate, and then the water jet can rotate to the position matched with the angle of an anchoring part. And finally, the ball drives the water jet cutter to rotate through the driving motor, so that the spraying angle of the water jet cutter can be adjusted, the water jet cutter can flexibly adapt to the cutting requirements under different working conditions, and the operation complexity and the time cost are reduced.

The invention discloses an inflow water low-temperature treatment device and system for full-intelligent water jet anti-explosion cutting, and relates to the technical field of water jet cutting, the inflow water low-temperature treatment device comprises a device outer frame, an anti-vibration base is arranged in one side of the device outer frame, and a compressor is fixedly installed on the upper portion of one side of the anti-vibration base; an oil cooler is fixedly installed on the side, away from the compressor, of the anti-vibration base. A closed-loop low-temperature treatment system is constructed through cooperation of the compressor, the oil cooler and the heat exchanger, the heat exchange efficiency is improved in cooperation with an auxiliary circulation path, the water inlet temperature is accurately controlled, and the cutting local temperature rise and fire blast risks are completely eradicated. Meanwhile, due to the dual anti-backflow design, pressure monitoring and multi-stage filtering, stable and clean conveying is guaranteed, modular installation and intelligent regulation and control design are achieved, the equipment stability, operation and maintenance convenience and working condition adaptability are considered, the service life of parts is prolonged, the maintenance cost is reduced, the cooling effect is achieved, operation safety and operation and maintenance efficiency are unified, and the device is suitable for high-risk anti-explosion cutting scenes.

The application belongs to the technical field of oil exploitation and blockage removal device, and particularly relates to a T-shaped nozzle water jet cutting blockage removal device and a dredging blockage removal method, aiming to solve the problem of poor flushing and dredging effect and difficulty in cleaning the pipe wall deposits of the sand control screen pipe blockage removal device in the prior art. The T-shaped nozzle water jet cutting blockage removal device comprises a high-pressure jet pump, a packer, a downhole filter, a centralizing device and a nozzle in sequence in communication with each other. At least one T-shaped nozzle is arranged on the nozzle peripheral wall. The T-shaped nozzle comprises a main stem pipe and two branch stem pipes. One end of the main stem pipe is in conductive connection with the nozzle, and the two branch stem pipes are in conductive connection with the end portions of the main stem pipe away from the nozzle, and the two branch stem pipes are arranged in opposite directions along the same straight line. The end of the main stem pipe away from the nozzle is provided with a first jet port, and the end portions of the two branch stem pipes away from each other are provided with second jet ports. The application has the advantages of higher dredging effect, and the pipe wall deposits can be removed more easily.

The application discloses a perpendicularity adjusting mechanism for micro-jet laser processing, which comprises a supporting assembly, a mounting assembly, a steel ball, a plurality of elastic connecting pieces and a driving assembly, and a first mounting groove is arranged on one side of the supporting assembly; the mounting assembly and the supporting assembly are arranged in a stacking mode in a first direction and have a gap therebetween, and a second mounting groove is arranged on the side of the mounting assembly facing the supporting assembly; the steel ball is arranged in the first mounting groove and the second mounting groove, and the mounting assembly has a rotation freedom around the center of the steel ball; the plurality of elastic connecting pieces are arranged around the periphery of the steel ball to connect the mounting assembly and the supporting assembly; and the driving assembly is arranged on the mounting assembly and connected with the supporting assembly. The perpendicularity adjusting mechanism for micro-jet laser processing can adjust the water jet angle of an optical head, so that the water jet is perpendicular to a processing surface, and when the processing surface is turned over, the water jet cutting positions of two sides of a workpiece to be processed are aligned, and the processing effect is good.

This utility model relates to the field of waterjet cutting machine technology and discloses a high-pressure CNC waterjet cutting machine, including a water collection tank and two processing tables set at its top. A lead screw is rotatably connected between the front end of each processing table and the bottom of the water collection tank. This high-pressure CNC waterjet cutting machine achieves automated lifting and transport of heavy plates through a linkage structure between the lifting frame and the lead screw. Compared with traditional manual handling methods, the multiple rollers equipped on the lifting frame can form a rolling conveying surface during lifting. Combined with the distributed ball bearings on the support grid, the plate can be smoothly transferred to the processing table with low friction, effectively solving the difficulties and safety hazards caused by the weight of heavy plates. Furthermore, the tiltable and adjustable safety railing assembly, through the precise cooperation of the limiting rod and the limiting groove, forms a three-dimensional protective barrier during lifting, avoiding the risk of the plate slipping.

This utility model relates to the field of bridge expansion technology and is a wastewater collection trolley for water-jet cutting of bridge deck guardrail mounting platforms. It includes a water-jet cutting machine mounted on a support frame of a movable part located on the bridge deck. The water-jet cutting machine cuts the guardrail mounting platforms on the bridge deck. The movable part is connected to a wastewater collection unit, which includes a storage tank for collecting wastewater generated during the cutting process. The storage tank is mounted on the support frame. The guardrail mounting platforms on the bridge deck are cut using the water-jet cutting machine, which is moved by the movable part. Using the water-jet cutting machine reduces dust generation, and the wastewater generated is collected in the storage tank, minimizing the impact of wastewater on the bridge deck. The movable part includes a driving wheel and a driven wheel, both mounted on the support frame via mounting seats. The driving wheels and driven wheels are symmetrically arranged below the support frame.

A clamping device is provided that is configured to hold a workpiece in a waterjet cutting system, wherein the clamping device comprises a head having a tip configured to hold the workpiece down on the upper surfaces of support lamellae inserted in a water reservoir of the waterjet cutting system; a shaft extending from the head, the shaft being configured to extend through a gap defined between two of the support lamellae; a base at a distal end of the shaft, the base extending perpendicular to the shaft and configured to rest against the undersides of the support lamellae; and a lever connected to the shaft, wherein a rod interacts with a thread of the shaft such that a rotation of the lever screws the rod into the shaft, thereby drawing the shaft into the head.The rotation of the lever pulls the base against the undersides of the support lamellae and pushes the tip against the workpiece.

The application provides a tunnel contour forming device based on hydraulic cutting, which comprises a hanger, a plug rod device on the hanger, the plug rod device being inserted into a deslagging hole at one end, the hanger being provided with a swingable swing arm frame at one end, the swing arm frame being provided with a water jet cutting assembly movable along the length direction of the swing arm frame, and the water jet cutting assembly being provided with a water jet nozzle. The problems of instability collapse of the working face and overbreak or underbreak caused by the drill and blast method are solved, the device can be automatically operated after the installation process is assisted by a moving carrier to stay in position, the device has the characteristics of convenient installation and removal and flexible operation, and multi-machine cluster operation can be realized.

The present application relates to the technical field of wind power generation broken blade disposal, and in particular to a method for cement kiln collaborative disposal of wind power generation broken blades; in the method, the broken wind power generation blades are cut into small blade pieces by a water jet cutting machine, the small blade pieces are sent into a shredder for cyclic shredding, and the shredded pieces are passed through a drum screen, the oversize pieces are sent into the shredder for cyclic shredding, and the undersize pieces are sent into a pyrolysis furnace for pyrolysis, and the slag produced by pyrolysis is collected for resource utilization. The method also provides an organic metal material capable of adsorbing dioxin, which can effectively adsorb dioxin produced by incineration of the blades and reduce the impact on the environment.

A bridge cutting waterjet integrated machine includes a machine body with a water tank assembly inside. A central control panel is located on one side of the machine body. A crossbeam is slidably connected to the top of the machine body in a front-to-back direction. A first sliding plate is slidably connected to one side of the crossbeam in a left-to-right direction. A second sliding plate is slidably connected to the side of the first sliding plate away from the crossbeam in a vertical direction. A saw blade cutting mechanism is located below the second sliding plate. A thickness measuring component is installed on the left side of the saw blade cutting mechanism, and a drilling and milling mechanism is installed on the right side of the saw blade cutting mechanism. A waterjet cutting mechanism head is located on the front side of the saw blade cutting mechanism. This utility model accurately identifies the material thickness, adapts the cutting parameters, and utilizes drilling, milling, and waterjet cutting to cut fine parts, thereby improving the accuracy and efficiency of stone processing.

To provide a water jet cutting method for a flexible container bag, which effectively induces natural falling of contained items and realizes a smooth cutting process.SOLUTION: A flexible container bag 1 has a bag portion 2 and a belt portion 3. A water jet cutting method includes: a first step of moving the flexible container bag 1 with contents W packed in the bag portion 2 to a cutting location; a second step of spraying a water jet L laterally and moving the water jet L so as to surround a side peripheral surface of the flexible container bag 1, thereby cutting the bag portion 2 and the belt portion 3 while leaving at least one belt portion 3 uncut; and a third step of causing the contents W packed in the flexible container bag 1 to fall by their own weight.SELECTED DRAWING: Figure 1

The invention provides a hot rolling preparation method for producing flat-bulb titanium and application, the method comprises the steps that S1, a square blank is preheated to T1 and then subjected to heat preservation for 1-2 h, the phase transformation point of the square blank is T2, T1 = T2-delta T, and delta T ranges from 20 DEG C to 30 DEG C; s2, rough rolling is conducted at the speed of 4.5 m / s to 5.5 m / s, a groove is formed, the blank temperature after rough rolling is larger than or equal to 880 DEG C, finish rolling is conducted in a continuous passing mode to conduct arc shaping on the blank, the symmetrical flat-bulb titanium profile with bulbs at the two ends and a web in the middle is obtained, the blank temperature after finish rolling is larger than or equal to 850 DEG C, and the total rolling deformation ranges from 75% to 85%; s3, the profile is conveyed to a line roller type tension straightening machine through a roller way to be subjected to tension straightening treatment, the speed is 0.4-0.6 m / s, and the temperature of the straightened profile is larger than or equal to 700 DEG C; and S4, air cooling treatment is carried out, then tongue-shaped parts at the head and the tail are cut off, oxide skin on the surface layer is cleaned, and two flat-bulb titanium profiles with the same specification are obtained through water cutting symmetric segmentation in the rolling direction. According to the method, the temperature difference between the head and the tail can be reduced, the structure property uniformity and the batch stability are improved, and the minimum length of the prepared flat-bulb titanium profile can reach 12-15 m.

The invention provides a production method of an automobile bottom protection plate, which comprises the following steps: carrying out steam hot press molding treatment on a base material to obtain a base material semi-finished product; marking the obtained base material semi-finished product, covering the marking position with aluminum foil, and carrying out compression molding treatment to obtain a base material molded semi-finished product; the obtained base material formed semi-finished product is sequentially subjected to adsorption cooling treatment, water jet cutting treatment and rivet pulling and fixing treatment, and the automobile bottom protection plate is obtained. The heat insulation aluminum foil is additionally arranged in the local area of the bottom protection plate, the characteristics of high structural strength and good heat insulation performance of the bottom protection plate can be met at the same time, the weight of the bottom protection plate can be effectively reduced, semi-finished products are not stacked in the production process, the number of defective products caused by insufficient strength is reduced, and the manufacturing cost is saved; and the whole production process does not generate harmful substances, meets the environment-friendly requirement and is suitable for industrial popularization and application.

This utility model relates to the field of pipe cutting technology, and in particular to a clamping device for waterjet cutting of concentric pipes. It includes a horizontal base, with a liftable hollow platform above the base. A clamping outer frame is fixed to the top of the hollow platform, and two longitudinally sliding clamping brackets are provided on the clamping outer frame. The inner side of each clamping bracket has a V-shaped concave surface that matches the outer wall of the concentric pipe. The two clamping brackets clamp the concentric pipe through the V-shaped concave surface; the length of the V-shaped concave surface is not less than the length of the concentric pipe. Thus, the clamping position of the concentric pipe can be easily adjusted through the hollow platform and the two clamping brackets; the V-shaped concave surface on the clamping brackets can stably clamp the concentric pipe, ensuring the requirement of cutting the concentric pipe in half from the center. The entire device can quickly and easily clamp the pipe securely, ensuring that the cutting and sampling position does not shift.

The invention provides a rock core water jet cutter sample splitting device for mineral geological exploration, and relates to the technical field of mineral geological exploration. The rock core water jet cutter sample splitting device mainly comprises a water tank and an automatic feeding mechanism, wherein a water jet cutter cutting head, a pressing wheel and a supporting wheel are arranged on the water tank; the automatic feeding mechanism is mainly composed of a lever, a driving wheel and a tension spring, the driving wheel is used for pushing the rock core to move forwards, and a ratchet wheel is coaxially arranged on the driving wheel; a cup-shaped body is arranged at one end of the lever, and an opening of the cup-shaped body faces a jet orifice of the water jet cutting head; a pawl is hinged to the other end of the lever and connected with the ratchet wheel in a meshed mode under the action of a torsion spring. By means of kinetic energy of jet flow of the water jet cutter, automatic feeding of the rock core is achieved in the mode that the jet flow cannot cut through the rock core without feeding and once the jet flow cuts through the rock core, the sample splitting efficiency is improved, and the problem that kinetic energy of the water jet cutter is not consumed is solved. The structure is simple and ingenious, and complex problems are solved by means of the simple structure.

The utility model relates to the technical field of mining operation, in particular to a hydraulic support device of a post-support processing suspended roof, which comprises a hydraulic support body and a water cutting mechanism. The hydraulic support body is provided with a top beam used for supporting a top plate and a shield beam arranged at the rear end of the top beam. The water cutting mechanism is arranged on the side, away from the top plate, of the top beam and comprises a driving unit and a water jet cutting head arranged at the movable end of the driving unit, and the water jet cutting head has a first state located on the inner side of the top beam and a second state extending out of the end, close to the shield beam, of the top beam; and when the water jet cutting head is in the second state, the supporting unit on the top plate can be broken and / or hydraulic fracture forming is carried out on the goaf of the top plate by jetting high-speed fluid, and the hydraulic support device can realize back anchoring of the support, so that the formed suspended roof is intervened, the operation cost is reduced, and the safety is improved.

The small portable ultrahigh-pressure water jet cutting machine comprises a controller and a machine body, and the top and the bottom of the machine body communicate with a water inlet and a water outlet correspondingly; the top wall in the machine body is fixedly connected with a first pipe; a left box and a right box are fixedly connected to the inner side wall of the machine body. The tops of the left box and the right box are communicated with water inlet pipes which are communicated with the first pipe; the water inlet pipes are communicated with first valves fixedly connected with the water inlet pipes; a motor is installed on the inner side wall of the machine body and electrically connected with the controller, and an output shaft of the motor is coaxially and fixedly connected with a gear. The device is small in size, can be held by hand and is convenient to carry; the two box bodies and the water inlet pipeline are arranged, first-time pressurization is carried out in a compression mode, when the racks move leftwards or rightwards, the liquid drainage pressurization and liquid suction processes in the corresponding box bodies are alternately completed, the conveying work efficiency is improved, and when one pipeline is abnormal, the other pipeline can also be normally used.

The utility model relates to a crawler-type ultrahigh-pressure water jet cutting robot which is characterized by comprising a load base, crawler transmission modules arranged on the left side and the right side of the load base, a mounting frame arranged at the top of the rear end of the load base, a sand tank, a sand blasting pump, a water tank, a booster oil pump, an energy accumulator, a mixing chamber and a water jet generator. The sand material tank, the sand blasting pump and the water tank are fixed on the mounting frame, the mixing chamber and the water jet generator are arranged at the end part of the mechanical arm and are communicated with each other, the sand material tank is communicated with the mixing chamber through the sand blasting pump, the booster oil pump and the energy accumulator are mounted at the top of the load base, and the energy accumulator is mounted at the bottom of the load base. The water tank is communicated with the energy storage device through the booster oil pump, and the energy storage device is communicated with the mixing chamber. The sand and water mixed under high pressure are matched with the water jet generator to replace a conventional cutting wheel for cutting, so that the cutting precision is improved.

The utility model discloses a water jet cutting nozzle assembly capable of quickly replacing a nozzle, which belongs to the technical field of water jet cutting and comprises a mounting seat, a fixing ring is fixedly connected to the outer wall of the mounting seat, a fixing assembly is arranged on the outer wall of the mounting seat, and a clamping assembly is arranged at the bottom end of the mounting seat. The mounting base is slidably connected with a top plate through a groove formed in the mounting base, the bottom surface of the top plate is fixedly connected with a spray head, the fixing assembly comprises a mounting sleeve, the top surface of the mounting sleeve is fixedly connected with a connecting column, and the outer wall of the connecting column is slidably connected with a clamping plate; according to the utility model, through the design that the clamping plate is arranged inside, when the spray head is replaced, the top plate can be fixed or not fixed only by rotating the mounting sleeve by a certain angle, so that the time for mounting and dismounting is reduced, and the efficiency of replacing the spray head is improved; and therefore, the influence on processing and production is reduced.

The utility model provides a water jet cutting device for a concrete structure. The water jet cutting device is characterized in that a high-pressure nozzle is connected with a first pressure sensor, a proportional pressure control valve and a safety valve; the energy accumulator is connected with the high-pressure nozzle through a pipeline, and a second pressure sensor is connected to the energy accumulator; the booster pump is connected with the energy accumulator, and a water supply port is formed in the booster pump; a control button is arranged on the human-computer interaction interface; the controller is connected with the first pressure sensor, the proportional pressure control valve, the safety valve, the energy accumulator, the booster pump and the human-computer interaction interface. The concrete structure water jet pressure automatic control device is environment-friendly in material, small in noise pollution and suitable for various working environments, automatic pressure control in the water jet cutting process is achieved, the energy accumulator and the safety control valve are combined, and intelligent, efficient and environment-friendly cutting operation of on-site concrete members is achieved. And comprehensive requirements of urban update projects on high protection requirements of original structures, dual-carbon energy-saving targets and the like can be met.