48results about How to "Press evenly" patented technology

The invention discloses an electrical stimulation lymphedema rehabilitation device, and relates to the technical field of lymphedema rehabilitation, and the device comprises a housing, and also comprises an electrical stimulation mechanism which is installed at the top of the housing and comprises a plurality of electrode plates; the limb supporting mechanism is installed on the two sides of the shell and comprises a first lantern ring and a second lantern ring; the multi-section massage mechanism is installed in the shell and comprises a plurality of air bags, and one side of each air bag is communicated with an electromagnetic valve; the uniform pressing mechanism is connected with the multi-section massage mechanism and comprises a downward moving anti-sticking mechanism and a translation switching mechanism; the electrical stimulation mechanism further comprises a controller fixed to the top of the shell, and the controller is electrically connected with the multiple electrode slices. By installing the uniform pressing mechanism, uniform massage is achieved, the pressing position of the air bag is changed, the whole limb is pressed uniformly, the pressing strength of all parts of the limb is prevented from being different, the problem that the whole limb is pressed unevenly is effectively solved, and therefore lymph circulation is more efficiently promoted.

The utility model relates to compacting equipment technical field especially relates to a module base plate quick change elastic compacting mechanism, its technical scheme includes mechanism chassis, be provided with sliding rail on the mechanism chassis, the sliding rail is installed respectively with left side elastic quick change pressure head and right side elastic quick change pressure head, be provided with module positioning tool between left side elastic quick change pressure head and right side elastic quick change pressure head, module board is installed on the module positioning tool. The utility model is provided with the mechanism that can carry out motion control and compacting to guarantee the stability of motion, and avoid the interference to compacting, whole control clamping is more stable, guarantees that copper base plate each pressure point position can be compacted more evenly, and the elastic pressure head structure is designed, can change according to pressure point height, and the pressure head height is adjusted automatically.

The utility model relates to a battery pack which comprises a battery pack shell, a locking piece, a plurality of battery cells, a battery cell support and a circuit board, the battery cell support, the plurality of battery cells and the circuit board are contained in the battery pack shell, each battery cell is installed on the battery cell support, the circuit board is arranged above the battery cells, and the locking piece is used for locking and installing the battery pack into an electric tool. An elastic piece is further arranged below the locking piece and used for resetting the locking piece, the battery cell support is provided with a positioning protrusion, the circuit board is provided with a through hole, the positioning protrusion penetrates through the through hole so that the circuit board can be positioned and installed on the battery cell support, the positioning protrusion is concaved inwards to form a groove, one end of the elastic piece is installed in the groove, and the other end of the elastic piece abuts against the locking piece. The battery cell support is provided with the positioning protrusions, the effect of rapidly positioning a circuit board can be achieved during manufacturing of a battery pack, the movable position of the elastic piece can be limited, pressing failure caused by displacement of the locking piece is prevented, the positioning protrusions also have the guiding effect, and the locking piece can be smoothly pressed.

The application provides a pure electric new energy driven automobile motor shell sealing type mounting structure, and relates to the technical field of new energy vehicles, comprising an outer shell body, an end cover body, a self-adaptive multiple sealing structure, an operating port sealing structure and an inner multiple point locking mechanism; the application has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions; through the multiple sealing and self-adaptive structure, double sealing of the end face and the side face is realized, the slight offset of the end cover and the shell during butt joint can be self-adapted, the sealing reliability is effectively improved, the invasion of external dust and water vapor can be blocked, and the operation safety of the internal components of the motor is ensured; the application adopts a multiple point synchronous locking structure, can realize uniform pressing of the end cover and the shell, avoids stress distortion of the end cover, is equipped with a reliable self-locking structure at the same time, can prevent loosening of the locking components, ensures the connection stability, and meets the use requirements of the vehicle-mounted vibration environment.

The utility model discloses a valve seat sealing ring capable of adjusting sealing performance, which relates to the technical field of valve seat sealing rings, and aims to solve the technical problem that the valve seat sealing ring cannot be adjusted according to medium pressure fluctuation or working condition change at present, the valve seat sealing ring comprises a valve body, the inner wall of the valve body is provided with thread grooves which are axially distributed, and the inner wall of the valve body is provided with a thread ring in a threaded manner; an adjusting ring is fixedly installed in the threaded ring, a sealing ring is installed on the screwing-in face of the adjusting ring in a nested mode, and elastic fins are evenly distributed in the adjusting ring in the circumferential direction. The adjusting ring is driven by the threaded ring to move axially, the compression amount of the sealing ring is adjusted by combining the stepped clamping structure of the adjusting clamping block and the adjusting clamping groove, after the sealing ring is damaged, the compression amount of the sealing ring can be continuously adjusted by rotating the adjusting ring, the sealing ring does not need to be replaced immediately, emergency use is facilitated, and the service life of the sealing ring is prolonged. The problem that the current sealing ring needs to be replaced immediately after being damaged, and continuous operation of a system is affected is solved.

The utility model provides a purple sand green body roller press, which belongs to the technical field of purple sand green bodies, and comprises a die cylinder and a bottom seat, the bottom of the die cylinder is provided with a butt joint block, the lower surface of the butt joint block is matched with a mounting groove, the side surface of the mounting groove is provided with the bottom seat, the lower surface of the bottom seat is connected with angle teeth in an embedded manner, and the angle teeth are matched with the butt joint block. A vertical rod is installed on the upper surface of the bottom base, a top plate is fixedly connected to the top of the vertical rod, a connecting rod is arranged on the top plate, a rolling ball is installed on the lower surface of the connecting rod in a matched mode, and a gap is reserved between the surface of the rolling ball and the inner wall face of the mold cylinder; through meshing transmission of angle teeth and straight gears, the bottom base can continuously and stably rotate, meanwhile, basic conditions are created for stable rolling of the purple sand materials, through cooperative arrangement of vertical rods, a top plate and a connecting rod, the purple sand materials are repeatedly and evenly pressed on the inner side face of the mold cylinder, and the coating effect is better.

The invention relates to the field of physical therapy devices, and discloses a pressing device which comprises a fixing frame, a pressing rod, a pressing rod and a pressing rod. The pressing mechanism comprises a pressurizer, a base, a force applicator and a massage head, the base is connected to the moving end, a grating plate is arranged in the middle of the base, a pressurizing cavity is formed in the position, located on one side of the grating plate, in the base, the pressurizer is connected to the pressurizing cavity, a plurality of channels are formed in the grating plate, and sealing plates are arranged in the channels respectively; according to the massage device, when a human body is pressed and massaged, the multiple massage heads can be better adjusted to be attached to the curve of the human body, effective contact and abutting can be formed especially for the inwards-concave position of the body surface, the massage effect is good, the massage effect is good, the massage effect is good, the massage effect is good, and the massage effect is good. And the plurality of massage heads provide uniform pressing force, so that the comfort of pressing massage and the physical therapy effect are improved.

This invention discloses a welding method for connecting a copper tube and a steel rod via an electromagnetic pulse waveform interface. The method includes: first, machining an annular groove on the surface of the steel rod to be welded; along the axial direction of the steel rod, the depth of the annular groove gradually increases from the center to both sides, with the center of the groove flush with the axial surface of the steel rod, thus forming an annular tapered groove; then, fitting the copper tube onto the steel rod, aligning it with the surface to be welded; and finally, welding the copper tube and steel rod using electromagnetic pulse welding. This welding method effectively promotes the ejection of metal debris from the copper tube and steel rod at the material interface during the welding process, reducing the retention of high-speed moving metal debris at the interface, thereby avoiding cracks caused by metal debris accumulation and energy concentration at the interface, and thus effectively achieving electromagnetic pulse welding for copper-steel waveform interface connections.

The utility model discloses a material pressing device for fireproof plugging material production, which comprises a base, a lower pressing plate is fixedly connected to the middle of the upper part of the base, stand columns are fixedly connected to the four ends of the upper part of the base, a top plate is fixedly connected to the tops of the stand columns, and fixing plates are fixedly connected to the two ends of the lower part of the top plate. A first motor is fixedly connected to the outer end of the fixed plate, the output end of the first motor penetrates through the fixed plate and is inwards provided with a two-way screw, the first motor and the two-way screw can drive the two threaded blocks to move relatively, and the movable plate can be driven to do linear motion under the mutual rotation effect of the two pairs of rotating shafts; the upper pressing plate and the lower pressing plate correspond to each other, rapid pressing operation of fireproof plugging material production is completed, the symmetrically-arranged movable plates can do relative ascending or relative descending movement, in this way, materials can be evenly pressed, the pressing force is uniform, and the pressing efficiency of the whole device is improved.

A kind of roller press equipment mechanism, including operation platform, sliding clamping block and lateral press equipment jaw, the middle of operation platform is equipped with clamping block moving groove, guide rod is connected between the two side walls of clamping block moving groove, two sliding clamping blocks are slidably connected on guide rod, the top of sliding clamping block is fixed with clamping block, clamping block includes a pair of oppositely arranged clamping plate and clamping cylinder, clamping cylinder is fixed in the middle of clamping plate, the telescopic end of clamping cylinder passes through clamping plate and is connected with extrusion backing plate at telescopic end head, side stand is set on operation platform at the two sides of clamping block moving groove, side stand is provided with longitudinal press equipment jaw moving groove, screw rod is provided in press equipment jaw moving groove, longitudinal moving block is threadedly connected in press equipment jaw moving groove by screw rod.The sliding clamping block of the present application is bidirectional sliding along guide rod, cooperates with clamping cylinder to drive extrusion backing plate to carry out bidirectional synchronous clamping to supporting pipe shaft, eliminates artificial fixing deviation, and ensures the accurate centering of shaft and roll body.

This invention relates to the field of photovoltaic cells, specifically to a bending mechanism for a stacking welding machine and its usage method, and a photovoltaic module, including pressure pins, suction nozzles, a lifting plate, and a driving mechanism. Multiple pressure pins and suction nozzles are disposed at the bottom of the lifting plate. The output end of the driving mechanism is connected to the lifting plate to drive the pressure pins and suction nozzles to move up and down. The pressure pins act on the non-busbar dense area of ​​a single cell, independently bending and shaping each cell in the cell string entering the stacking process. The suction nozzles are correspondingly disposed in the center area of ​​the cell, adsorbing and fixing the cell after bending for welding. This invention solves the problem of warping, microcracks, and even breakage of BC cells during the stacking process, resulting in a flatter cell string and thus improving module yield and reliability.

This all-solid-state rechargeable battery includes: an all-solid-state cell stack including a plurality of all-solid-state cell stacked in a first direction; a housing for internally accommodating the all-solid-state cell stack; a first end plate located between the housing and a first end of the all-solid-state cell stack in the first direction; and a plurality of first metal wave springs located between the first end plate and the housing.

This invention discloses an ion-exchange membrane airtightness testing device, comprising a worktable and airtight pressurization components respectively arranged on both sides of its top. Each airtight pressurization component includes an upper airtight mold and a lower airtight mold, each corresponding to the upper mold and having an internal airtight flow channel, and a pushing mechanism connected to the upper airtight mold and driving it downwards to engage with the lower airtight mold. The top of the worktable is equipped with multiple linear modules for driving the lower airtight mold to move left and right. This ion-exchange membrane airtightness testing device can simultaneously or alternately perform testing tasks through the airtight pressurization components on both sides. Combined with the left and right movement control of the lower airtight mold by the linear modules, it achieves dynamic connection between multi-station parallel testing and material flow. When one station is performing a pressurization and pressure holding test, the other station can quickly switch the position of the lower airtight mold through the linear modules, simultaneously completing the unloading of the tested workpiece and the positioning and clamping of the new workpiece, significantly improving the testing throughput per unit time.

The invention belongs to the technical field of fresh corn sterilization processing, and particularly relates to high-temperature sterilization equipment for fresh corn processing, which comprises a screening mechanism, the screening mechanism is placed on the ground, the screening mechanism screens and discharges corn leaves and particles, and the inner center of the screening mechanism is rotatably connected with an auxiliary mechanism. The auxiliary mechanism is used for carrying out pressing and steam sterilization operation on the corn on the inner wall of the corn processing mechanism, and the auxiliary mechanism and the corn processing mechanism rotate reversely, so that deviation-free stable positioning in the fresh corn processing process is realized, and meanwhile, circulating airflow is formed in the equipment to assist in air drying; the defects that a traditional device is prone to deviation in corn rotary processing, dead angles exist in leaf peeling and sterilization, and the air drying efficiency is low are overcome.

This application provides a press-type spray bottle, including a bottle body and a press head. The press head is provided with a spray nozzle, and the front end of the bottle body has a through-hole that corresponds to the spray nozzle. A sliding baffle for covering the opening slot is slidably installed on the bottle body in the vertical direction. A second track groove is provided on the inner wall of the bottle in the vertical direction, and a second track protrusion is provided on the press head in the vertical direction that slides and engages with the second track groove. In use, the sliding baffle is slid down to expose the opening slot, and the press head is pressed down to make the spray nozzle correspond to the opening slot and then spray. The press-type spray bottle of this application has a sliding baffle that can be used to cover the opening slot; the press head is slidably guided by the second track groove and the second track protrusion, so that the spray nozzle of the press head will not wobble up and down when pressing to spray.

The utility model relates to a pressing structure and electronic equipment, the pressing structure comprises a pressing support and a panel which are connected with each other, the pressing support and the panel are oppositely arranged, and a gap is formed between the pressing support and the panel; the pressing support is provided with at least two hollowed-out grooves, and the hollowed-out grooves are adjacent one by one and distributed in the circumferential direction of the pressing support at intervals. A cantilever is fixedly arranged in each hollowed-out groove, and the movable end of each cantilever protrudes out of the corresponding hollowed-out groove and abuts against the panel to form a stress area corresponding to the pressing area of the panel; the panel is provided with a pressing trigger column located in a pressing area of the panel, and the pressing support is correspondingly provided with an avoiding through hole for the pressing trigger column to penetrate through. The whole panel is provided with supporting force through the reasonably-designed cantilever layout, the pressing triggering area is increased, the whole face of the panel is evenly pressed, and the pressing use experience feeling of a user is effectively improved.

The application relates to the technical field of metal layered composite material manufacturing, in particular to a metal layered composite plate strip high-speed continuous casting and rolling device, which comprises a base, the upper surface of the base is sequentially provided with a casting part, a shearing part, a cooling part and a rolling part from right to left, a processing mechanism for assisting the forming of the composite plate strip is arranged between the casting part and the shearing part on the upper surface of the base, a conveying roll channel for conveying the composite plate strip is arranged below the processing mechanism, the shearing part and the cooling part, the processing mechanism comprises two front-rear symmetrical door-shaped frames fixedly connected to the upper surface of the base, the composite plate strip is timely side-pressed on both side edges after being continuously cast to keep the edges of the composite plate strip neat and avoid the occurrence of the edge warping of the composite plate strip; the compactness of the composite plate strip can be improved by rolling the composite plate strip formed by continuous casting in the up-down direction.

The utility model relates to rescue pump technical field, concretely relates to a flood control emergency pump, including water pump main part, quick -witted subassembly, hydraulic pressure rod and wedge, water pump main part is equipped with inlet pipe and drain pipe, quick -witted subassembly sets up on the drain pipe, quick -witted subassembly includes shell, baffle, magnet and press block, one end of shell is provided with mounting hole, the other side is provided with through -hole, the shaft surface of drain pipe is provided with recess, magnet is located in the area close to wedge, the output of hydraulic pressure rod connects wedge, the inner side of wedge is equipped with inclined plane and cooperates with the inclined plane of press block, the utility model has the advantages of: the quick -witted subassembly has realized the quick connection and disassembly of water pipe, has improved flood control emergency response efficiency remarkably, utilizes hydraulic pressure rod to drive wedge and the inclined plane cooperation of press block, makes press block even, firmly and tightly press the water pipe, effectively prevents the water pipe from loosening or falling off under high -pressure working condition, has improved the reliability and security of connection.

The invention discloses a winding forming die for a tail stay tube of an unmanned aerial vehicle. The winding forming die comprises a mandrel, a small-head yarn blocking ring, a large-head yarn blocking ring, a pressing ring, a force application ring and a clamping shaft. The mandrel is the main part of the whole die, is consistent with the tube surface of the tail boom in shape and is used for winding the tube surface of the tail boom; the small-head yarn blocking ring and the large-head yarn blocking ring are of an annular flange plate and nail-shaped structure, are fixed to the mandrel through bolts and are used for blocking yarn during winding. The pressing ring is used for pressing the flange of the small end of the tail stay tube, the force application ring and the corresponding shaft are provided with threaded holes used for applying pressure to the pressing ring, the flange of the tail stay tube is pressed by applying force through the bolt, and the forming quality of the flange of the tail stay tube is guaranteed. The clamping shaft is used for clamping the driving end of the winding machine when the tail supporting pipe is wound. The winding forming mold for the tail stay tube of the unmanned aerial vehicle can guarantee the product quality of the tail stay tube, and is reasonable in structural design, convenient to demold and convenient to use.

The utility model provides a wire harness rubber sleeve air tightness detection device comprising a pedestal, the top of the pedestal is fixedly provided with an air storage cylinder, one side of the air storage cylinder is connected with an air inlet pipe, the top of the air storage cylinder is detachably provided with a module cover, the module cover is provided with a rubber sleeve, the rubber sleeve is provided with a wire harness, and the wire harness is arranged on the wire harness. Two pressing claw assemblies are arranged above the rubber sleeve in an up-down staggered mode, the distance between the two pressing claw assemblies in the vertical direction is not smaller than the outer diameter of the wire harness, and a downward pressing driving mechanism for driving the pressing claw assemblies to move downwards or reset is erected above the pressing claw assemblies. The pressing claw assembly is provided with a semi-arc-shaped plate matched with the edge of the rubber sleeve, and the middle of the semi-arc-shaped plate is detachably and fixedly connected with the lower end of the downward pressing driving mechanism; according to the utility model, the connection stability between the rubber sleeve and the mold cover plate can be improved, and normal detection is ensured.

The invention belongs to the technical field of concrete testing, and particularly relates to a concrete impermeability test device for hydraulic engineering quality detection, the concrete impermeability test device comprises a rack, a plurality of groups of placing parts and a pressurizing part, test pieces are placed in the placing parts, the placing parts are detachably mounted on the rack, and the pressurizing part is detachably mounted on the rack; a plurality of supporting columns of the supporting assembly are evenly distributed on the rack, stable supporting is formed on the press-fitting assembly, and a horizontal plate is prevented from inclining and shaking in the press-fitting process. The position of the horizontal plate can be firmly limited through cooperation of the lead screw and the lead screw nut, part displacement during press fitting is prevented, the structural stability in the test operation process is guaranteed, and potential safety hazards are reduced.

This utility model belongs to the field of vacuum cup technology, and in particular to a multifunctional vacuum cup with a detachable plastic lid. It includes a vacuum cup and a main lid, with the bottom of the main lid slidingly contacting the top of the vacuum cup body. The vacuum cup also includes a switching mechanism that cooperates with the main lid; and a straw mechanism, which includes a handle, a telescopic straw, a direct drinking straw, and a handle button. The handle is fixedly installed on the right side of the vacuum cup body, the outer side of the telescopic straw slides in contact with the inner wall of the handle, and the direct drinking straw slides in contact with the main lid. The switching mechanism includes a push plate, a main lid connecting rod, a detachable connecting rod, a direct drinking spout sealing component, a straw spout sealing plate, a stainless steel spring, and a main lid connecting rod. This utility model provides a telescopic straw and a direct drinking mode to meet the needs of different scenarios. The integrated handle stores the telescopic straw, saving space, and the switching mechanism enables quick switching of the main lid's function, improving ease of use.

The application discloses a barrel type fireproof coating automatic capping mechanism and relates to the technical field of fireproof coating production. The barrel type fireproof coating automatic capping mechanism comprises a workbench, a barrel roller way, a feeding roller, an adjustable support, a fixing base, a jacking mechanism, a positioning and capping mechanism and a driving mechanism. The positioning and capping mechanism is arranged below the fixing base in a liftable mode and is provided with a positioning station and a rotating capping station. When the positioning station is used, the positioning and capping mechanism is lowered to be attached to the barrel cap at the barrel opening of the coating barrel, so that the coating barrel is coaxially positioned with the positioning and capping mechanism. When the rotating capping station is used, the positioning and capping mechanism is rotated, and the capping sheet on the barrel cap is pressed against the barrel opening of the coating barrel. The barrel, the barrel cap and the capping sheet are coaxially positioned through the positioning and capping mechanism. The capping sheet can be extruded from top to bottom and then be rotated and extruded. The capping sheet can be uniformly pressed against the barrel opening, the attachment compactness is improved, and the capping effect is improved.

This utility model discloses an electrical connection auxiliary device for a display panel, including a base and a pressing assembly. The base includes a connector and two first limiting plates. The connector has a through hole extending along a first direction. The two first limiting plates are respectively connected to two opposite sides of the connector along a second direction. The two first limiting plates are spaced apart and parallel to each other, forming a receiving space between the connector and the two first limiting plates. The pressing assembly includes a transmission rod, a pressing plate, and a second limiting plate. The transmission rod has a first end and a second end that are opposite to each other. The transmission rod is slidably inserted through the through hole along the first direction. The first end is located inside the receiving space, and the second end is located outside the receiving space. The pressing plate is connected to the first end. The second limiting plate is connected to one side of the pressing plate along a third direction. The second limiting plate is perpendicular to the pressing plate. The surface of the second limiting plate away from the transmission rod is provided with an ink layer, which can improve the electrical connection assembly yield of the first electrical connection part and the second electrical connection part.

This invention relates to the field of arc welding technology, and discloses an automatic wire feeding device for arc welding on a CNC lathe. The device includes a lathe body, a feeder mounted on the top of the lathe body, and a straightening mechanism located near the feeder base. The straightening mechanism includes a housing, a motor inside the housing, a drive wheel mounted on the motor's output shaft, an outer support on the housing away from the motor, a driven wheel on the outer support near the drive wheel (the driven wheel meshes with the drive wheel), an inner support inside the outer support, and a cylinder on the inner support near the driven wheel. Three guide holes are arranged in a ring array on the inner support near the driven wheel. By using the straightening mechanism, the welding wire is straightened from multiple angles through a rotating motion, gradually restoring it to a straight state during travel. Different travel distances are preset for the pressure rollers, facilitating rapid switching to accommodate welding wires of different diameters.

The invention discloses an asphalt pavement permeability testing device, and belongs to the technical field of asphalt pavement permeability test.The testing device comprises a measuring cylinder used for measuring and detecting water consumption of asphalt pavement permeability, and a detection barrel is fixedly installed below the measuring cylinder through a valve pipe; a sealing assembly is fixed at the bottom of the detection barrel, a lifting ring is slidably mounted outside the detection barrel, the lifting ring is pressed above the sealing assembly, a plurality of pressing blocks are fixed outside the detection barrel in the direction of the central axis at equal angles, and the pressing blocks are pressed above the lifting ring; a heat conduction barrel for balancing and detecting the ground temperature of water and asphalt is movably arranged in the detection barrel in the axis direction, and a horizontal intelligent control valve and a vertical intelligent control valve are mounted on the heat conduction barrel; the testing device can dynamically adjust the fitting degree of the sealing assembly and the asphalt pavement at the initial stage, the middle stage and the later stage of testing, detection water leakage is avoided, and the reliability of testing data is improved.

The utility model relates to a kind of pull rod conveying mechanism, including guide bearing set, support plate assembly, pull pencil assembly and length measurement component.Length measurement component is located in the front end of pull pencil assembly, and the length of pull rod is measured by first pressing upper wheel and measuring lower wheel;Pull pencil assembly realizes accurate pressing and conveying to pull rod by second pressing upper wheel and conveying lower wheel, and its power is provided by motor through gear transmission structure, to ensure the orderly synchronous rotation of second pressing upper wheel and conveying lower wheel, and the utility model realizes liftable activity under the action of expansion spring, automatically adjusts pressing force to adapt to pull rod of different diameters, and through the cooperative work of each component, the efficient, stable conveying and accurate processing of pull rod are realized, with significant practical value and broad application prospect.

This invention relates to the field of pile foundation construction technology and discloses a construction method for improving the bearing capacity and durability of mixed-pile foundations in hard strata. The method includes driving a first set of drill rods to drive a soil-breaking drill bit into the strata while simultaneously injecting fluid for cooling. After reaching the target elevation, the drill is lifted upwards, and cement grout, curing agent grout, or water is injected into the hole during the lifting stage. A second set of drill rods is then used to drive a multi-directional mixing drill bit downwards while simultaneously injecting grout, performing multi-dimensional cross-shearing and mixing of the in-situ fractured rock and soil with the grout. The multi-directional mixing drill bit is controlled to rotate in the opposite direction and lifted out of the hole; grouting can be performed or stopped during the lifting stage. Before the mixed medium in the hole initially sets, the precast pile is implanted to the target elevation. This invention employs an in-situ soil-breaking process without slag removal combined with an alternating blade reverse mixing technology using inner and outer pipes. This overcomes the excessive cutting resistance in hard strata and the phenomenon of mud clumps trapping at the bottom of the hole, achieving uniform forced mixing of the medium in the hole, reducing the pile penetration resistance, and improving the overall bearing capacity of the composite pile.