161results about How to "Quick insert" patented technology

The invention relates to the technical field of clock dial plate welding, and discloses a clock dial plate welding device which comprises a welding seat, a rotating shaft is rotationally connected to the welding seat, a clamping seat is fixed to the upper end of the rotating shaft, and a dial plate body is placed in the clamping seat; a plurality of welding positioning holes which are circumferentially distributed at equal intervals are formed in the dial plate body, a plurality of clamping assemblies which are circumferentially distributed at equal intervals and used for fixing the dial plate body are arranged on the clamping seat, a first servo electric cylinder is arranged at one end of the welding seat, and a mounting plate is fixed to the upper end of the first servo electric cylinder; a welding gun is fixed on the mounting plate; in the whole welding process, the situation that the welding precision is affected due to position deviation in the welding process can be avoided, the positioning frequency can be reduced, the welding speed is increased, the time consumed by welding is greatly saved, time and labor are saved, convenience and rapidness are achieved, and the welding efficiency is improved.

The invention relates to the technical field of mining oxygen supply regulation, in particular to a mining working face intelligent oxygen supply regulation system which comprises oxygen supply equipment, air purification equipment is arranged on one side of the oxygen supply equipment, one end of the oxygen supply equipment and one end of the air purification equipment are both connected with connecting pipes, and one sides of the two connecting pipes are jointly connected with air hole regulation equipment. And one side of the air hole adjusting equipment is connected with an air supply pipe, and fan equipment is installed at one end of the air supply pipe. Air can be effectively purified through the effect of the purification assembly, disassembly and replacement are convenient, the gas condition in the mine tunnel can be effectively monitored so that whether gas supply is conducted or not can be rapidly controlled, meanwhile, the oxygen content can be controlled, the safety in the mine tunnel is guaranteed, gas can be fully supplied to workers in the mine tunnel, and the working efficiency is improved. And fixed-point oxygen supply can be carried out according to the conditions in the mine tunnel, and the gas quality in the mine tunnel is improved.

The invention relates to the technical field of soil sampling, and particularly discloses a soil sampling device for hydrogeological survey, comprising: a movable support; limiting grooves are formed in the middles of the inner walls of the two sides of the movable support, and a movable mechanism is jointly installed between the two limiting grooves. The sampling mechanism comprises a sampling drill rod, a sampling motor, a spiral blade, an adjusting cavity, a sampling groove and a fixing plate, and the sampling drill rod is mounted on the moving mechanism; driving of the sampling motor is matched with movement of the moving mechanism, the sampling drill rod rotatably drills into soil, then the driving motor is started, rotation of a sampling spiral blade is achieved through meshing transmission between a first bevel gear and a second bevel gear, and the soil can be conveyed into a sampling groove; by arranging the multiple sampling grooves, respective sampling of each layer of soil can be achieved, so that the sampling accuracy is improved, and finally, sample removal operation of the sampled soil can be achieved by reversely starting the motor.

The invention relates to the technical field of motor assembling, and discloses a motor assembling device which comprises a lifting supporting mechanism, a plurality of supporting inner diameter adjusting mechanisms are installed in the lifting supporting mechanism, and the supporting inner diameter adjusting mechanisms are arranged in the lifting supporting mechanism at equal intervals. A supporting inner diameter control mechanism is installed on the surface of the lifting supporting mechanism, a supporting inner diameter locking mechanism is installed on the outer wall of the lifting supporting mechanism, a traction supporting mechanism is installed on the outer wall of the lifting supporting mechanism, and a guiding supporting mechanism is arranged below the lifting supporting mechanism. And a motor shell positioning mechanism is arranged on the surface of the guide supporting mechanism. According to the motor assembling device, the rotor and the stator can be aligned and coaxial before the bearing installation position of the rotor spline shaft enters the bearing inner hole, it is guaranteed that the rotor spline shaft can be rapidly inserted into the bearing inner hole, the accuracy of rotor installation is guaranteed, and the installation convenience is improved.

The utility model discloses an infrared halogen heating lamp tube. The infrared halogen heating lamp tube comprises a mounting frame and a mounting plate, insertion rods are arranged on the periphery of the front end of the mounting plate, a top plate is arranged at the front end of the mounting plate, springs are mounted on the outer sides of the insertion rods and located between the mounting plate and the top plate, limiting plates are mounted on the insertion rods and located at the front end of the top plate, and hoist insertion holes are formed in the rear end of the mounting frame. A plurality of halogen heating lamp tubes are uniformly mounted on the inner side of the mounting frame, and a reflecting cover is mounted at the position, located on the inner side of the mounting frame, outside the halogen heating lamp tubes. The hoist inserting hole in the rear end of the mounting frame is aligned with the inserting rod, the limiting plate is inserted into the large-diameter end of the hoist inserting hole, the mounting frame is pulled downwards, so that the inserting rod is embedded into the small-diameter section of the hoist inserting hole, meanwhile, during use, the top plate is driven by the spring to move, and the mounting frame is clamped and fixed through the top plate; and the mounting rack can be mounted more stably.

The invention provides a transmission link fault positioning method and system based on physical signal monitoring in the technical field of transmission link fault positioning. The method comprises the steps that S1, a two-layer switching chip creates a register set, and an MCU creates an MAC address table; s2, when a new network device is accessed, the MCU performs exception verification on a new MAC address through the MAC address table and then updates the MAC address table; s3, fault positioning is carried out through a queue controller watchdog event, and an event register is updated based on a fault type; s4, the MCU reads the fault type from the event register so as to match fault processing measures from the fault management table; step S5, matching a fault processing measure, and executing a transmission link recovery operation based on the fault processing measure; if not, the switch data is read from the register set and uploaded to the server for fault positioning, or fault positioning is executed based on a console command input from the console interface. The method has the advantages that the convenience and timeliness of transmission link fault positioning are greatly improved.

The utility model provides fork truck battery charging cabinet, through setting open type charging bin in the front side of cabinet body, can fast insert battery into charging bin when charging, convenient operation, set up charger group and control module in the rear side hidden mode of cabinet body, and open the cabinet door at rear side to carry out maintenance operation to charger group and control module, each module layout is reasonable, and charging and maintenance operation are convenient, appearance is simple and elegant, and the practicality is good, solves the technical problem that the existing technology has, charging bin charging operation process is inconvenient, and maintenance operation is inconvenient to the charger and control system, and the rationality of module layout is also relatively lacking.

The utility model relates to the technical field of power equipment, and discloses a modular power distribution system, which comprises a bottom plate and a plurality of circuit breakers, the upper end of the bottom plate is fixedly connected with a plurality of mounting seats, one side of the upper end of each mounting seat is provided with a slot, one side of each mounting seat is fixedly connected with a fixed plate, and the fixed plates are fixedly connected with the circuit breakers. Four springs are fixedly connected to one sides of the multiple fixed plates, moving plates are fixedly connected to the ends, away from the fixed plates, of every four springs in one group, and hook plates are fixedly connected to the ends, away from the springs, of the multiple moving plates. According to the modularized power distribution system, the insertion slots, the hook plates, the hook grooves and the insertion plates are arranged. The circuit breaker can be conveniently mounted and dismounted. Each circuit breaker is an independent module and can be quickly inserted and pulled out, so that the maintainability and flexibility of the system are improved, the whole system does not need to be disassembled and reinstalled on a large scale, and the maintenance difficulty and cost are reduced.

The utility model discloses a novel structure double-end screwdriver bit, which relates to the technical field of screwdriver bits and comprises a screwdriver bit main body, mounting columns are fixedly mounted at two ends of the screwdriver bit main body, replacement components are arranged in the mounting columns, and operating heads are mounted on the mounting columns through the replacement components. The replacement assembly comprises a cylindrical groove formed in the surface of the mounting column, an annular groove is formed in the inner side wall of the cylindrical groove, a vertical sliding groove is formed in the side surface of the annular groove, and L-shaped clamping rods are fixedly mounted on the surfaces of the two sides of the operation head correspondingly. And then rotating is conducted, a sliding ring is limited through a limiting column, so that the operating head is rapidly and stably clamped and mounted in a mounting column, replacement and mounting operation can be rapidly conducted when the operating head needs to be replaced, the whole double-end screwdriver continues to be used, and the use efficiency of the device is improved.

The utility model discloses a novel urethral probe. The novel urethral probe comprises a bougie, a handle and a ureter fixer, a U-shaped groove is formed in one end of the handle in the axial direction of the handle, an inserting hole is formed in the position, located at the end of the U-shaped groove, of the handle, a through hole communicated with the inserting hole is formed in the other end of the handle, and ureter fixers are arranged on the two sides of the end, located at the U-shaped groove and away from the inserting hole, of the handle. The bougie is of a hollow structure and comprises a bougie body part and an arc-shaped end part which are integrally formed, one end of the bougie body part is inserted into the insertion hole, and a damping ring matched with the bougie body part is arranged in the insertion hole; and the guide wire penetrates through the through hole and is inserted into the bougie. The urethral probe is simple in structure and convenient to use, and can be quickly, safely and effectively placed into a catheter, the risk of urethral injury is reduced, and the operation time is shortened.

The present application discloses a hierarchical clock tree modeling method, device, equipment and storage medium, and relates to the field of netlist files. Obtain a netlist file, start from the top-level module and traverse all instances layer by layer inward, determine all custom modules and set modules to be processed; take the tree node set by the top-level module as the node to be processed, traverse all tree wirings and tree ports under it; traverse all set nodes to be processed in turn, traverse all tree wirings and tree ports, and determine all child nodes layer by layer; create a tree node table, wiring table, and port table based on the determined nodes to be processed, and establish a wiring link table according to the signal path; based on the established table, along the top-level entrance of the clock, perform clock modeling according to the hierarchical structure. Using this design method to sample the clock, the sampling signal retains the hierarchical structure of the original netlist. Inserting a probe during debugging can quickly find the sampling clock and sampling signal, reduce the search time, and improve work efficiency.

The utility model discloses a quick detachable bulletproof vest relates to bulletproof vest technical field, including mounting bracket, the inside one side of mounting bracket is equipped with L type pre -buried groove, and the inside of L type pre -buried groove is equipped with quick detachable assembly, and the one side of mounting bracket is equipped with the slot, and the one side fixed mounting of binding band has inserted piece, through setting up quick detachable assembly, the inserted piece of binding band one side is inserted to the slot inside one side of mounting bracket, and the edge of the arc surface of limit rod bottom end and inserted piece is extruded mutually, makes the limit rod and moves when inserted piece completely inserts to the slot inside, under the elasticity of first spring assembly, and quickly inserts the limit rod into the limit slot inside, when needing quick detach, press the force of the inclined plane of triangle groove that makes the abutment rod and triangle groove produces when abutment rod, makes first tooth plate and moves through the tooth shaft so that second tooth plate passes through the limit slot in the inside of inserted piece with the limit rod of connecting plate and is taken off, and then through second spring assembly can make inserted piece quick ejection slot inside, and quick detachable disengagement can be completed.

The utility model relates to the technical field of nylon sleeve drilling machine positioners, in particular to a drawing positioner. Comprising a drawing rod; the impact hammer is arranged on the drawing rod in a sliding and sleeving manner; the drawing handle is arranged at one end of the drawing rod; and the positioner is detachably locked at the other end of the drawing rod. The drawing rod and the drawing handle are detachably connected through threads. The drawing handle comprises a cylinder base and an inserting shaft, and the inserting shaft is transversely inserted into the upper end of the cylinder base. The impact hammer is of a cylindrical structure, and the outer circumferential face of the cylindrical structure is a curved face. According to the utility model, the drawing handle can be continuously collided and impacted, and the nylon sleeve can be quickly taken out by the positioner by utilizing upward impact force; therefore, the positioner is easy to insert or pull out, and the operation is convenient.

This application belongs to the field of carbon fiber tube manufacturing technology, and discloses a carbon fiber tube centrifugal forming manufacturing system and process. The carbon fiber tube centrifugal forming manufacturing system includes a mold assembly and a centrifugal drive assembly. The mold assembly includes a module frame, individual frames, and mold components. The module frame is detachably connected to several individual frames, and the individual frames are detachably connected to several mold components. The mold components include a tubular mold with external hexagonal sleeves at both ends and detachably connected plugs at the ends. The centrifugal drive assembly includes a housing, a motor, and a platform. The housing and motor are mounted on the platform. A gear set inside the housing enables the motor to drive the external internal hexagonal sleeve to rotate. The internal hexagonal sleeve and the external hexagonal sleeve are inserted and engaged to drive the tubular mold to rotate and achieve centrifugal forming. This application solves the pain points of existing equipment and processes, such as poor versatility, cumbersome operation, low forming accuracy, and limited efficiency, through synergistic optimization of structure and process.

The utility model discloses a component capable of realizing simultaneous opening and closing of multiple interfaces, which relates to the technical field of quick connectors, and is characterized by comprising a fixed sleeve, a first mounting plate used for mounting a female connector is arranged on one side of the fixed sleeve, and a mounting rod is arranged in the fixed sleeve in a sliding manner; the mounting rod is provided with a second mounting plate corresponding to the first mounting plate, the second mounting plate is used for mounting a male connector, and the fixing sleeve is provided with a pushing assembly for driving the mounting rod to slide in the height direction of the fixing sleeve. According to the utility model, the hook piece is arranged on the fixing sleeve, so that the hook piece can pull the cross rod to completely insert the mounting rod into the fixing sleeve, and a plurality of groups of male and female joints can be quickly plugged or unplugged.

The carrying box for the optical glass comprises a carrying box body, a fixing sleeve is arranged on the left side of the inner wall of the carrying box body, a two-way screw rod is rotationally connected into the fixing sleeve, the front end of the two-way screw rod is connected with a rotating handle through a connecting base, and threaded sleeves are in threaded connection with the outer portions of the front side and the rear side of the two-way screw rod. The two sets of side clamping plates are installed in the carrying box, the rotatable two-way screws are installed at the side ends of the carrying box, rotating handles at the ends of the two-way screws can be rotated, and threaded sleeves outside the two sets of two-way screws can drive the two sets of side clamping plates to move oppositely under the action of threads; according to the optical glass conveying device, the two sets of side clamping plates can stably move to the two sides of optical glass, the optical glass is clamped through rubber gaskets on the two sets of side clamping plates, the optical glass can be effectively prevented from shaking in the conveying process, the optical glass is prevented from being damaged, meanwhile, the device can load the optical glass of different sizes, and the conveying efficiency is improved. And the application range of the device is widened.

The invention discloses a plug-in blowout wellhead crude oil collecting device. The plug-in blowout wellhead crude oil collecting device comprises a central pipe, a connector mechanism, a hydraulic cylinder mechanism, a slip mechanism, a capsule sealing mechanism, an interference sealing mechanism and a guide mechanism. The invention further discloses a blowout wellhead crude oil collecting method. The method comprises the following steps that firstly, the matched extension pipeline, the blowout preventer device, the hydraulic valve and the collecting pipeline are selected; secondly, a central pipe, an extension pipeline, a blowout preventer device, a hydraulic valve and a collecting pipeline are fixedly connected in sequence; thirdly, the connector mechanism and the hydraulic valve are connected with the hydraulic station; (4) the device is placed at a proper position in a sleeve; fifthly, the slip mechanism is fixed in the casing pipe in a fastened mode, it is ensured that the capsule sealing mechanism and the interference sealing mechanism are both tightly sealed on the casing pipe, and then crude oil can be collected. The device is reasonable in structure, high in practicability and capable of reducing the risk that crude oil pollutes the environment and improving the efficiency of emergency operation.

The point fixing device comprises a bottom plate and a tripod at the bottom, a middle shaft is vertically arranged at the upper end of the bottom plate, a bearing is rotationally sleeved outside the middle shaft, a rotating drum is rotationally sleeved outside the bearing, an adjusting bolt is arranged on the side wall of the rotating drum in a threaded connection and penetrating mode, and a braking vane is arranged in a crack between the middle shaft and the rotating drum. A horizontal compass is arranged at the top of the middle shaft, a mounting seat is arranged on the side wall of the rotating drum, an outer pipe is detachably and fixedly mounted on the mounting seat and is perpendicular to the middle shaft, an inner rod is slidably inserted into the outer pipe and is perpendicular to the middle shaft, and a marker post is vertically and fixedly arranged above the tail end of the inner rod; a locking structure used for fixing the inner rod is further arranged on the outer pipe, and a target rod is further vertically arranged on the top of the installation base and located on the periphery of the horizontal compass. The device can effectively solve the problem that the marker post is shielded by a shielding object when a reference point is set on a fall land, and can accurately reproduce the position of the marker post during re-measurement, so that the surveying and mapping precision and efficiency are improved.

The present application relates to steel structure production and processing equipment technical field, disclose a kind of based on round steel misplacement arrangement's dead angle-free shot blasting tool, including base, column fixed on the upper surface of base and crossbeam fixed between adjacent two columns, crossbeam is used to support steel structure part plate, the upper surface of crossbeam is fixed with two columns of round steel, and two columns of round steel are mispositioned, round steel is equidistantly arranged along the length direction of crossbeam, round steel is vertically arranged vertically, the present application uses full-welded rigid frame, discards bolt, component such as slot, no movable part can improve stability, and overall impact resistance is stronger, only by vertical round steel fixed steel structure part plate, round steel misplacement arrangement, completely eliminate shot blasting dead angle, guarantee rust removal quality, adapt to multi-specification steel structure part plate, strong universality, without replacing tool, reduce production cost, improve steel shot utilization, fully the effect of shot steel is applied to steel structure part plate, also correspondingly reduce the wear of equipment.

The invention relates to the technical field of production of socket connectors of tunnel segments, in particular to tapping equipment for socket connectors of tunnel segments and a using method.The tapping equipment comprises a control box and a tapping turntable, a fence is fixedly connected to the upper end of the control box, a square chassis is fixedly mounted on the inner side of the fence through screws, and a detection assembly is embedded in the square chassis; the detection assembly comprises a pipe inserting assembly, a filter disc is installed on the inner side of the pipe inserting assembly, a small hole and a large hole are formed in the bottom end of the filter disc, a curved bar is welded to the bottom end of the filter disc, a sliding ball is arranged on the curved bar in a sliding mode, a moving assembly is installed in the filter disc, and the moving assembly comprises a clamping plate fixedly connected with the inner side wall of the filter disc. Abstract oil way faults are converted into visual mechanical displacement signals, whether oil supply of the two tapping machines is the same or not can be judged quickly and visually according to the backflow condition, and real-time monitoring and fault early warning of oil supply consistency of the double-station tapping machines are achieved.

This utility model relates to the field of automotive manufacturing technology and discloses an installation and positioning structure for automotive taillights. It includes an installation housing, a fixed housing fixedly connected to the top of the installation housing, and an installation plate fixedly connected to the top of the installation housing. A sliding groove is provided on the top of the installation housing. This utility model uses a servo motor to drive the operation of a first transmission column, which in turn drives the meshing transmission of a first bevel gear and a second bevel gear, thereby achieving synchronous rotation of the second transmission column. This structural operation is further transformed into the rotation of a rotating disk, ultimately driving a moving block to slide smoothly within a limiting sleeve, allowing the insert block to accurately insert into the interior of the limiting column. This achieves rapid fixing of the taillight without the need for manual adjustment, improving installation efficiency and accuracy. Simultaneously, the cooperation between the guide block and the sliding column ensures stable insertion of the insert block, avoiding problems of insecure fixing due to shaking or errors, and enhancing the installation stability and reliability of the taillight.

This utility model discloses a root-sensing drip irrigation tape, belonging to the field of irrigation equipment. It includes a water guide pipe, with a drip irrigation plate fixedly connected to its lower end. Multiple fixed cylinders and multiple sprinkler heads are fixedly connected to the lower end of the drip irrigation plate, arranged in a staggered pattern. Multiple micro-holes are opened at the outer end of the fixed cylinders, and multiple water passage holes corresponding to the sprinkler heads are opened in the middle of the drip irrigation plate. Liquid-guiding cotton is placed inside the fixed cylinders and embedded in the lower end of the drip irrigation plate. Perforations are opened in the inner wall of the water passage holes, and a sealing gasket is slidably connected within the perforations. Sensing cotton is fixedly connected between the sealing gasket and the liquid-guiding cotton. This allows the sensing cotton to absorb water, causing it to expand and push the sealing gasket to block the water passage holes, preventing over-irrigation. When water is scarce, the sensing cotton contracts, causing the sealing gasket to retract and opening the water passage holes to replenish water. This allows for precise matching of the real-time water demand of the plant roots, reducing ineffective water consumption and significantly saving water resources.

The invention discloses a material irradiation defect storage method suitable for multi-element SRSCD simulation. The material irradiation defect storage method comprises the following steps: creating a Defect-Reaction List; randomly selecting a reaction, searching defects of which the types are the same as those of reactants in the defect-reaction list, and executing corresponding operation according to the number of the searched defects; aiming at the selected reaction, searching whether a defect of which the type is the same as that of a product exists in a defect-reaction list or not, and executing the corresponding operation, and the invention relates to the field of nuclear material irradiation damage simulation and the field of high-performance calculation.

A slitting tool for an annular plastic bearing comprises a base used for bearing equipment, a mounting assembly connected with the base and a slitting assembly used for cutting the annular plastic bearing. The slitting assembly is installed on a punching machine, the punching machine comprises a punch and a machine table, the punch is connected with the slitting assembly and used for driving the slitting assembly to do reciprocating motion, and the machine table is connected with the base and used for bearing the base. The mounting assembly comprises a bearing rod, a buffer sleeve and a guide sleeve. The slitting assembly comprises a blade. The guide sleeve is used for enabling the annular plastic bearing to be conveniently and rapidly arranged on the buffer sleeve in a sleeving mode, so that follow-up cutting operation is facilitated, and the production cutting efficiency of enterprises is improved. The buffering sleeve is used for bearing the annular plastic bearing and protecting the blade when the blade cuts the annular plastic bearing, and therefore the service life of the blade is prolonged.

The invention relates to the field of rail vehicles and to a double cardan clutch for compensating for axial, radial and angular offsets between a gearbox and a wheel. The object of the invention is to provide an at least two-part clutch for rail vehicles, which is simple and safe to assemble, largely avoids damage during assembly of the clutch, and has a high-precision positioning of the engaged clutch halves. According to the invention, a clutch for rail vehicles is provided, which is a two-part and / or three-part clutch system, wherein a preassembled positioning bolt arranged axially in the second clutch shaft is present at least for aligning, centering, guiding and checking the second clutch half relative to the first clutch half, wherein the positioning bolt protrudes from the first clutch half on the side facing away from the end side of the first clutch shaft by a region, by means of which at least one force-locking connection of the first clutch half and the second clutch half is achieved.

The assembly type steel structure convenient to disassemble and assemble comprises a cross beam, installation sleeves are fixedly connected to the two sides of the bottom of the cross beam, installation heads are movably connected to inner cavities of the installation sleeves, and grooves are formed in the positions, located between the installation sleeves, of the two sides of the bottom of the cross beam. Through the arrangement of the cross beam, the mounting sleeve, the mounting head, the groove, the fixed rod, the spring, the movable block, the push-pull frame, the insertion rod, the threaded hole, the connecting plate, the vertical beam, the clamping seat, the bottom beam and the top frame, the push-pull frame is moved oppositely firstly, the push-pull frame drives the insertion rod to move to a proper position, then the mounting head is inserted into an inner cavity of the mounting sleeve, the push-pull frame is loosened, and then the push-pull frame is pulled out. One end of the inserting rod is inserted into an inner cavity of the mounting sleeve under the action of the spring and penetrates through the mounting head at the same time, fastening screws are screwed into threaded holes in the surfaces of the mounting sleeve and the mounting head, finally, the bottom beam is fixedly mounted in an inner cavity of the clamping base, the mounting work of the assembly type steel structure is completed, and when dismounting is needed, the operation is repeated in the reverse direction.

The utility model relates to the field of ecological environment protection, and discloses a water conservancy riverway ecological environment restoration device which comprises a fixed supporting plate, an adjusting seat is slidably connected to the interior of the fixed supporting plate, a rotating rod is rotatably connected to the interior of the adjusting seat, and two transmission belts are arranged on the outer wall of the rotating rod. A filter screen is arranged between the two transmission belts, a fixing assembly is arranged at the bottom of an adjusting seat, a rotating shaft is fixedly connected to the top of the adjusting seat, a sliding groove is formed in a fixed supporting plate, and a push rod is slidably connected to the interior of the fixed supporting plate; the fixing assembly comprises a sliding rod and a clamping block, and one end of the sliding rod is fixedly connected to the bottom of the adjusting base. The river channel environment is effectively restored, the operation process is simple and easy to understand, the efficiency of river channel garbage cleaning work is greatly improved, and an efficient and practical solution is provided for improvement of the river channel ecological environment.

The invention relates to the technical field of medical equipment, and particularly discloses bone marrow puncture auxiliary equipment for the hematology department and an auxiliary method thereof.The bone marrow puncture auxiliary equipment comprises a workbench, supporting legs are arranged at the bottom of the workbench, a transverse displacement mechanism is arranged at the top of the workbench, and an extension frame is arranged on the transverse displacement mechanism in a follow-up mode; a frame-shaped frame is fixedly connected to the bottom of the extension frame, a lifting displacement mechanism is arranged on the frame-shaped frame, a protective shell is arranged on the lifting displacement mechanism in a follow-up mode, an angle adjusting mechanism is arranged on the protective shell, a linkage frame is arranged on the lower side of the protective shell, and an auxiliary positioning mechanism is connected to the bottom of the linkage frame through a first spring telescopic rod; an auxiliary rotating mechanism is arranged on the linkage frame, and a puncture needle is fixedly mounted on the auxiliary rotating mechanism; a high-precision puncture position is achieved, the situation that the puncture result is affected by position errors is avoided, the puncture needle can be inserted into the marrow cavity more quickly, and the operation time is shortened.

The utility model discloses a Y-shaped filter for a valve faucet, and relates to the technical field of Y-shaped filters. One pipe end of the inclined pipe is fixedly arranged outside the straight pipe in a communicated mode, the tubular filter screen moves in the inclined pipe, the sealing and fixing assembly is used for pressing the other pipe end of the inclined pipe and one pipe end of the tubular filter screen, the protruding strips are fixedly arranged in the straight pipe and the inclined pipe in an attached mode, the annular grooves are formed in the inner wall of the straight pipe and the protruding strips, and the other pipe end of the tubular filter screen is attached and pressed in the annular grooves. The utility model has the advantages that one part of the annular groove is formed on the inner wall of the straight pipe, the other part of the annular groove is arranged on the raised line, and the raised line is fixedly arranged in the straight pipe and the inclined pipe in an attached manner, so that the pipe end of the tubular filter screen is embedded and pressed after the annular groove is formed in the position, the space for limiting circulation and passing during water passing can be greatly reduced, and the water passing efficiency is improved. The reasonable degree of the structure is improved; meanwhile, the guide assembly is arranged, it is guaranteed that the tubular filter screen can be rapidly and accurately placed into the annular groove, and the operation process is simplified.