230 results about "Water jet cutting" patented technology

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 provides a tunnel contour line forming device based on hydraulic cutting, which comprises a hanging frame and an inserting rod device on the hanging frame, one end of the inserting rod device is inserted into a slag discharging hole, a swing arm frame capable of swinging is arranged at one end of the hanging frame, a water jet cutting assembly capable of moving along the length direction of the swing arm frame is arranged on the swing arm frame, and the water jet cutting assembly is provided with a water jet nozzle. The problems that in the drilling and blasting method construction, instability and collapse of a tunnel face and over-excavation and under-excavation are likely to be induced are solved, automatic operation can be achieved after the mobile carrier is used for assisting in parking in the installation process, the beneficial effects of being convenient to assemble and disassemble and flexible in operation are achieved, and multi-machine-position cluster operation can be achieved.

The invention discloses a grouting and filling method for a cross-layer area of a coal pillar group in a residual mining area, and relates to the technical field of coal mining, which comprises the following steps of: (1) selecting a key layer; (2) a drill hole is constructed in the key layer, a directional initial crack is formed in the drill hole through frosted water jet cutting, then the two ends of the drill hole are set, and the initial crack is expanded to form a crack network in the mode that high-pressure fluid is injected into a hole sealing section; (3) grouting materials are adopted for conducting segmented grouting construction on the drill holes in the step (2), specifically, firstly, low-viscosity grout is used for filling a crack network formed through fracturing, then medium-viscosity grout is used for filling a coal pillar plastic area influenced by mining, and finally high-viscosity grout added with an accelerating agent is used for filling roof fractured rock mass and goaf and goaf roadways; and (4) after the slurry is solidified, a coal pillar-slurry vein body-overlying strata composite bearing structure is formed. According to the invention, the rock mass cohesive force and overall strength of the re-mining area can be obviously enhanced, and the stability of re-mining roadways and working face surrounding rocks is improved.

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 the technical field of automobile part cutting, in particular to an automobile part cutting table which comprises a control cabinet, a first transferring set, a second transferring set and a lifting mechanism are arranged on the upper side of the control cabinet, a cutting assembly is arranged on the side face of the lifting mechanism, and a clamping assembly is arranged on the upper side of the control cabinet in a mirror image mode. The clamping assembly comprises an electric rotary table, a multidirectional mechanical arm and an electric clamping jaw, and clamping blocks are arranged on the side face of the electric clamping jaw in a mirror image mode. According to the cutting table module assembly, the clamping assembly and the cutting assembly are arranged, the cutting table module assembly with multi-state cutting and self-adaptive clamping can be integrated, single-laser, single-water-jet-cutter and water-laser mixed cutting operation can be carried out on spare and accessory parts made of different materials and in different shapes, meanwhile, the spare and accessory parts made of different materials and in different shapes can be adaptively clamped, and the cutting table module assembly is convenient to use. The clamped materials can be subjected to multidirectional position adjustment to be matched with cutting, in addition, independent adjustment operation can be carried out during single-laser cutting and single-water-jet cutting, and efficient and high-precision machining operation of spare and accessory parts is met.

The tunnel temporary supporting equipment with the water jet tunnel face cutting device comprises a temporary supporting frame body, a supporting mesh is arranged at the top end of the temporary supporting frame body, a moving and anchoring frame body capable of moving in the length direction of the temporary supporting frame body is arranged on the inner side of the temporary supporting frame body, and a channel part is arranged on the inner side of the moving and anchoring frame body; one end of the moving and anchoring frame body is connected with a cutting arch frame, a movable water jet cutting assembly is arranged on the cutting arch frame, the water jet cutting assembly is provided with a water jet nozzle, and the other end of the moving and anchoring frame body is provided with an assisting top arm and a sliding plate frame capable of sliding in the depth direction of a tunnel. Telescopic supporting legs are arranged at the lower ends of the moving and anchoring frame body, the temporary supporting frame body and the cutting arch frame. The problems that in an existing tunnel excavation single operation cycle, the number of working procedures is large, and the total consumed time for equipment use and connection is long are solved.

The water jet cutting equipment comprises a workbench, a conveying mechanism, a pressing mechanism, a cutting mechanism and a filtering and circulating mechanism, the conveying mechanism comprises a first fixing base, a first connecting block, a conveying base and a conveying wheel, and the pressing mechanism comprises a second fixing base, a second connecting block, a buffering base, a lifting base and a pressing roller. The cutting mechanism comprises a water cutting knife, a supporting frame and a moving device, an electric rotating device is arranged at the joint of the moving device and the water cutting knife, the filtering circulating mechanism comprises a collecting box, a filtering device, an electric air pump and a pipeline, and a propelling device is arranged at the lower end of the collecting box. The device is simple and reasonable in structure, the steel can be automatically cut and machined into a female connector and a male connector by starting the device by an operator and conveying the steel into the device through a travelling crane, the cut female connector and the cut male connector are automatically conveyed into a collecting vehicle to be collected, and waste water generated during cutting is recycled. And filtering and recycling can be realized through the filtering and circulating mechanism.

The invention provides an anchor cutting and net breaking system and method for a fully mechanized top coal caving face roadway roof, the anchor cutting and net breaking system comprises an end support unit, an anchor cutting device and a net breaking blade, the anchor cutting device comprises a water jet cutter mechanical arm and a water jet cutter head, and the water jet cutter head is installed on the water jet cutter mechanical arm; the water jet cutter head is used for cutting the anchor net on the periphery of the anchorage device, cutting the anchorage device at an angle inclined to the roadway top plate and cutting from one side of the roadway top plate to the other side of the roadway top plate so as to form a coherent transverse notch for the anchor net; and the net breaking blade cuts the anchor net to form coherent longitudinal notches, and the continuously formed longitudinal notches continuously break the anchor net between the transverse notches from the middle, so that the anchor net is completely broken. The anchor cutting and net breaking device can comprehensively cut off the anchor on the roadway roof and completely break the anchor net on the roadway roof, the anchor cutting and net breaking efficiency is high, and the problem that the anchor net is hooked after the anchor is cut off can be avoided.

The invention relates to a valve casting pouring gate water jet cutting method based on machine vision. A valve casting pouring gate water jet cutting device based on machine vision comprises a mechanical arm automatic feeding device, a multi-angle pouring gate cutting displacement clamp, a cutting part recognition device and a three-axis water jet cutting machine tool. A valve casting is fixed on a special tray and is fixed in a standardized posture, namely, a first round pipe body is erected in a V-shaped erecting groove of the tray, a first runner section is erected on a second supporting plate, and the upper end flange face of a second connecting flange is horizontal, so that the valve casting is kept stable on the tray; and the 3D camera is more accurate in shooting and posture recognition. The machine vision automatically recognizes a to-be-cut part, an accurate cutting path is intelligently generated to be matched with water cutting equipment, the cutting precision and efficiency are remarkably improved, automation of the whole process from machine vision recognition automatic feeding, machine recognition multi-angle automatic overturning and cutting after clamping to quality inspection and discharging is achieved, and the production efficiency is remarkably improved.

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.

This invention relates to the field of underwater navigation equipment technology and provides a polar icebreaking vehicle. The vehicle includes a main body, a water jet cutting device disposed on the main body, the water jet cutting device including a high-pressure pump and a cutting nozzle, the input end of the high-pressure pump being used to draw water from the outside of the main body, and the output end of the high-pressure pump being connected to the cutting nozzle through a first conduit, the high-pressure pump providing high-pressure power to the water flow, and the cutting nozzle ejecting a water jet to cut the ice layer on the water surface. Water is drawn into the water area through the high-pressure pump and pressurized; the pressurized water flows through the first conduit to the cutting nozzle and is ejected from the nozzle, forming a water jet to cut the ice layer on the water surface. Thus, by drawing water from the water area through which the vehicle travels and using it to cut the ice layer, sufficient water flow is available for cutting, allowing the vehicle to operate for extended periods to achieve continuous icebreaking.

The utility model relates to the technical field of water jet cutting machines, and discloses a multidirectional linkage gun head of a water jet cutting machine, which comprises a fixed plate, the lower end of the fixed plate is rotatably connected with a connecting shaft, the lower end of the connecting shaft is connected with a mounting plate, and the fixed plate is provided with a rotating assembly for driving the connecting shaft to rotate. A fixing barrel with an opening in the lower end is hinged to the lower end of the mounting plate, a gun head is slidably mounted in the fixing barrel, a driving assembly used for driving the gun head to move in the vertical direction is mounted in the fixing barrel, an air cylinder is hinged to the lower end of the mounting plate, and the piston end of the air cylinder is hinged to the side wall of the fixing barrel. According to the technical scheme, through mutual cooperation of the fixing plate, the connecting shaft, the mounting plate, the fixing barrel, the gun head, the air cylinder, the motor, the first gear, the second gear, the electric push rod and other structures, the angle of the gun head can be adjusted to meet the requirements under different conditions, and therefore the applicability of the device is improved.

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.

The utility model discloses a water jet cutting device with wastewater filtering and water recycling functions, which comprises a base, a mechanical arm is mounted at the top of the base, a water jet is mounted at the end of the mechanical arm, and a first filtering mechanism and a second filtering mechanism are symmetrically arranged at the other end of the top of the base. Each of the first filtering mechanism and the second filtering mechanism comprises a treatment box and a filter box, the filter box is mounted at the top of the treatment box, a mounting cover is mounted at the top of the filter box, a water inlet is formed in the top end of the filter box, a connecting pipe is mounted at the end of the water inlet, and a filter cartridge for filtering large-particle scrap iron is detachably arranged in the filter box; according to the water jet cutting device, the purpose of continuously filtering waste water can be achieved, the waste water filtering efficiency is improved, water can be recycled to achieve the purpose of saving water, and very small scrap iron can be filtered out and recycled.

The utility model discloses a real-time pressure measuring water jet cutting device which comprises a water jet nozzle and a mounting piece, a connecting pipe penetrates through the interior of the mounting piece, a first connecting block is mounted on one side of the mounting piece, a limiting piece is slidably mounted in the first connecting block, a sliding rod penetrates through the interior of the limiting piece, and a second connecting block is mounted on the other side of the mounting piece. The sliding rod is fixedly mounted in the first connecting block, a first spring is mounted on the side face of the sliding rod, and one end of the limiting piece is arranged in the mounting piece; the limiting piece slides on the side face of the sliding rod, the limiting piece compresses a first spring, one end of the limiting piece moves out of the installation piece, a second spring drives a connecting plate to move, the connecting plate drives a baffle to move, the baffle drives a second connecting block to move, the second connecting block drives an inductive probe to move, and the second connecting block drives a first connecting block to move. When the water jet cutting device is used, the connecting wire is pulled out from the pressure measuring meter, the sensing device is taken out and replaced with a new sensing device, so that the sensing device can be replaced conveniently, and the water jet cutting device can be used conveniently.

This invention provides a C-shaped steel end bevel shearing device with quick mold change capability, belonging to the technical field of stamping and shearing equipment. The device includes a worktable, an operating table, a frame, a hydraulic station, a C-shaped steel end shearing assembly, and a hydraulic cylinder. The operating table is located on one side of the worktable, the hydraulic station is installed inside the worktable, and the C-shaped steel end shearing assembly is installed on the upper surface of the worktable, including a moving mold, a fixed mold, and a limiting block, for efficiently shearing the beveled end of the C-shaped steel. The frame is installed on the upper surface of the worktable, spanning above the C-shaped steel end shearing assembly. The hydraulic cylinder is fixedly installed on the upper surface of the frame via a flange, and the hydraulic cylinder is connected to the hydraulic station via an oil supply pipe. This device has a compact structure, is easy to integrate into existing production lines, and is simple to maintain. This device is suitable for processing the ends of various types of C-shaped steel, changing the previous situation where beveled C-shaped steel could only be cut using high-cost methods such as laser, gas, and water jet cutting, reducing production costs and having broad market application prospects.

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 a method for manufacturing a fibrous preform (10) for a reinforcing element for a turbine engine blade, comprising:-producing a fibrous blank (100) by three-dimensional weaving between a plurality of warp threads (1001) and a plurality of weft threads (1002),-pre-compacting the fibrous blank (100) in a pre-compacting tool (5),-when the fibrous blank (100) is pre-compacted in the pre-compacting tool (5),-producing a fibrous preform (10) for a reinforcing element for a turbine engine blade,-producing the fibrous preform (10) by three-dimensional weaving between a plurality of warp threads (1001) and a plurality of weft threads (1002). The invention relates to a method for producing a fibrous preform (10) of a reinforcing element, comprising the steps of:-removing an original surface (103) of a fibrous preform (100) by means of water jet cutting,-removing a pre-compacted fibrous preform (100 ') from a pre-compacting tool (5),-compacting the pre-compacted fibrous preform (100') to obtain a fibrous preform (10) of the reinforcing element.

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 spiral sand feeding device and a water jet cutter head thereof, and belongs to the technical field of water jet cutting, the spiral sand feeding device comprises a cylindrical body, an axial channel and a spiral channel, the axial channel and the spiral channel are arranged on the cylindrical body, the axial channel penetrates through the cylindrical body along the axial direction, the spiral channel is arranged on the cylindrical wall of the cylindrical body, and the spiral channel is communicated with the axial channel. The spiral channel spirally surrounds the axial channel, an inlet of the spiral channel is used for being communicated with a sand inlet channel, and an outlet of the spiral channel is communicated with the axial channel. Abrasive materials are guided into the axial channel through the spiral channel, so that the abrasive materials and water have consistent speed and direction when mixed, the eccentric problem of the abrasive materials can be solved, the abrasive material mixing rate is improved, and the cutting capacity of abrasive material jet flow is further enhanced.

The invention discloses a rock breaking tunneling detection device based on water jet cutting, and relates to the technical field of on-site rock hardness detection, and the rock breaking tunneling detection device comprises a limiting unit which comprises a vertical fixing assembly, a guide assembly and a horizontal fixing assembly; the drill bit tunneling unit comprises a mounting box, a first air cylinder and a drill bit assembly. The device has the beneficial effects that through efficient cooperative operation of the water jet cutter cutting unit and the drill bit tunneling unit, a water jet cutter is used for cutting the rock surface in advance to form a groove so as to break stress distribution, the water pressure and drill bit parameters are dynamically adjusted by combining a feedback mechanism of the cutting depth and the drilling effect, and the drilling efficiency can be improved under the condition that the drill bit is not replaced on site. The rock hardness data is obtained, then the proper drill bit type is selected, and the problem that the detection efficiency is reduced due to the fact that the drill bits are frequently replaced in field detection is solved.

The utility model discloses a fixed-length cutting device for a sound barrier, which relates to the technical field of cutting devices and comprises a worktable, a slide way is arranged at one end of the worktable, a limit frame is mounted at one end of the slide way, and a threaded shaft is mounted at one end of the limit frame. Through the arrangement of the workbench, the limiting frame, the threaded shaft, the operation control rod barrel, the movable pressing plate and the water jet cutter, the operation control rod barrel rotates on the limiting frame, so that a pushing rod drives the movable pressing plate to move on the workbench, and a sound barrier plate needing to be cut and the other side of the limiting frame are extruded and fixed through the movable pressing plate; according to the water jet cutting machine, the limiting frame is arranged in the sliding way to adapt to sound barrier plates of different sizes, the threaded shaft drives the sound barrier plates on the limiting frame to move in the sliding way, so that the water jet cutting machine completes the work of positioning and cutting the sound barrier plates, and the limiting frame moves on the limiting rods symmetrically arranged at the bottom through the limiting holes, so that the stability and adaptability of the device for moving plate cutting are improved.

The invention discloses a wear-resistant lining plate machining device and a lining plate thereof, and relates to the technical field of lining plate machining, reciprocating electric sliding rails are symmetrically embedded in one side of the top end of an integration treatment frame, a reciprocating fixing plate is mounted at the top ends of the reciprocating electric sliding rails through sliding rail seats, and a correction electric sliding rail is mounted at the bottom end of the reciprocating fixing plate; an integrated sliding sleeve is installed at the bottom end of the correction electric sliding rail through a sliding rail base, a lower piezoelectric push rod is connected to the top end of the integrated sliding sleeve in a clamped mode, a press-fit anti-overflow box is installed at the bottom end of the lower piezoelectric push rod, and a water jet cutting head is installed at one end of the alignment electric sliding rail through a sliding rail base. According to the multi-position cutting device, the position of a raw material is continuously corrected, accurate alignment cutting of a product is achieved, the waste amount is reduced, meanwhile, the overall transposition speed is increased through multi-position switching cutting treatment, and the situation of cutting deviation is reduced through multi-position switching treatment.

The invention provides a rapid obstacle clearing system and method for an underground diaphragm wall on a pipe joint jacking line, belongs to the technical field of pipe jacking construction, and adopts a four-in-one system of laser positioning, ultrasonic detection, drilling grouting, ultrahigh-pressure abrasive water jet cutting and forced discharging and conveying to complete rapid obstacle clearing of the underground diaphragm wall on the pipe joint jacking line. The ultrahigh-pressure abrasive water jet device is adopted, compared with traditional mechanical breaking efficiency, the ultrahigh-pressure abrasive water jet device is high in breaking efficiency and small in vibration, compared with extensive management of traditional mechanical breaking construction, through application of the laser positioning technology, the ultrasonic detection technology, the BIM technology and the like, control over the underground diaphragm wall area position to be broken and the breaking sequence is more accurate, breaking construction safety is guaranteed, and the construction period is shortened. The problems of influence of broken residues on subsequent jacking construction, soil disturbance caused by the fact that a broken area exceeds a planned area, reduction of safety and reliability of an existing structure and the like are solved, during underground diaphragm wall breaking construction, the ground space does not need to be occupied, a working well does not need to be drilled additionally, surrounding traffic is not affected and the like, and construction is convenient and fast.

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.