50results about How to "Smooth impact" patented technology

The invention discloses a buffering and energy absorbing structure. The buffering and energy absorbing structure comprises a housing. The buffering and energy absorbing structure is a multi-layer metal grid structure or porous bubble structure filled in the housing; the metal grid structures or porous bubble structures of adjacent layers are lengthways alternatively overlapped in positive and negative poisson ratio; the metal grid structure in the positive poisson ratio is composed of a three-dimensional honeycomb grid structured formed by array type regular hexagonal pore grids; the metal grid structure in the negative poisson ratio is composed of a three-dimensional stretching and expanding grid structure formed by array type concave angle pore grids; the meshes of the porous bubble structure in the positive poisson ratio are of an array type rhombus structure; the meshes of the porous bubble structure in the negative rhombus structure are of an array type four-star shaped structure. Compared with the traditional buffering and energy absorbing structure, the buffering and energy absorbing structure can effectively reduce the peak value of the impact force, so that the whole energy absorbing process is stable, and as a result, the energy absorbing efficiency of the structure can be increased.

The invention discloses a round tube combination buffering device which comprises a large round tube and a small round tube which have different strengths and are contacted in sequence in the load direction. Wherein the inner diameter of large round pipe is slightly smaller than the outer diameter of the small round pipe; the round tubes with different strengths and different sizes are overlapped coaxially; under the condition that the volume of a plurality of layers of round tube buffering device is not changed, a manner of absorbing energy by single circular tube flexion deformity is changed into a manner of absorbing energy by shear failure among the round tubes; the device has the advantages that the energy absorption amount in unit volume is large, impact force is stable, and the ratio value of a mean load / a peak load is relatively high, so that a protected object can be well protected.

The invention provides an array-type metal thin-wall cup-shaped structural energy absorber, relates to an energy absorber, and aims at solving the problems that the existing combined energy absorbers the thin-wall cylindrical tubes of which are filled with porous materials such as aluminum honeycomb, foamed aluminum and the like has very big impact at the initial stage of buffer and the buffer force tends to be stable after the stage. The energy absorber comprises a thin-wall metal plate (1) and a plurality of cup-shaped projections (2) which are stamped at the same side of the thin-wall metal plate (1) and take array distribution. The thin-wall cup-shaped structural form with variable cross-section causes the impact force of the energy absorber to be more stable, thus a protected object can be under very good protection. The energy absorber has high working reliability; as the energy absorber can be divided into the form of combining a plurality of sub-energy absorbers, thus the energy absorber has higher working reliability. The energy absorber can be applied to the fields of automobile safety and structural crash worthiness of high-speed trains.

The invention relates to a drill bucket capable of opening a bucket door continuously to discharge soil forcibly, which comprises a drill bucket body, a drill bucket bottom door, a door opener and a soil discharging device, wherein the drill bucket bottom door is positioned at the lower end opening of the drill bucket body; a lock catch is arranged at one end of the drill bucket bottom door and is matched with a bucket door hook of the door opener; the other end of the drill bucket bottom door is hinged with the drill bucket body by a bucket door hinge; the door opener comprises a push-down mechanism arranged on a component capable of moving up and down relative to the drill bucket and a door opening mechanism arranged on the drill bucket body; and after acting on the door opening mechanism to open the drill bucket bottom door in the process of moving down, the push-down mechanism breaks away from the door opening mechanism to continue to move down. The drill bucket has the advantagesof eliminating impact force to equipment in the soil discharge process of a drilling machine, reducing energy consumption and improving the reliability of the equipment, along with good soil discharge effect.

The invention discloses an efficient water spraying device for gardens. The efficient water spraying device structurally comprises a water spraying transmission device, a connecting plate, a water spraying machine, a sealing front door, a control panel, a water pipe, a water sprayer, a movable connecting rotary arm, a fixing rack and a water inlet pipe and is characterized in that the water spraying transmission device is mounted inside the water spraying machine, the left end of the water inlet pipe is in through connection with the interior of the water spraying machine, the lateral side ofthe sealing front door is in clearance fit with the interior of the front end of the water spraying machine, and the control panel is mounted at the front end of the water spraying machine and arranged at the back of the sealing front door. The efficient water spraying device has the advantages that 360-degree and dead-angle-free water spraying can be achieved; meanwhile, the whole device can be supported by support feet through mechanical transmission inside the device, and when a gear pump performs high-pressure water flow delivering, the support feet can help the device keep stable under impact during water spraying; the device also has self-moving ability, the work difficulty of staff is lowered to the maximum degree, and the work efficiency of the device is increased.

The invention relates to a device for measuring impact force of tows and airflow in a flash spinning process. A deflection device in the prior art is improved into a combination of an insulating bottom plate and a pressure receptor from a deflection plate. Resistance change generated after the pressure sensor made of piezoresistive materials is subjected to impact force of tows and airflow is measured through an electric brush, a wire and a resistance meter, the impact force is obtained, the compression-resistant distance of the insulation bottom plate is adaptively changed, therefore, the impact force is stabilized, the degree of uniformity of dispersion of a tow net is improved, and finally, the unit mass uniformity of the flash spinning non-woven fabric is improved.

The invention relates to the technical field of drilling, and in particular relates to a drill bit with an adjustable drill bit body size. The drill bit comprises a drill bit handle body extending from the periphery of the longitudinal axis of the drill bit, one end of the drill bit handle body is a drill bit body, and the other end is an impact surface; three movable drill bit blades and a fixed round table are arranged on the drill bit body, the three drill bit blades are arranged around the fixed round table; the drill bit blades are connected with the fixed round table through a telescopic component; the telescopic component comprises rotary cavities arranged in the drill bit blades and a rotary column arranged in the fixed round table, one end of the rotary column is arranged in the rotary cavity, and the other end is fixed in the fixed round table through a round table bearing and is connected with a hydraulic motor. The drill bit provided by the invention has the beneficial effects that the expansion and retract of the drill bit blades can be performed on the drill bit body, so as to enlarge the rotating drilling diameter of the drill bit, and the telescopic structure provided by the invention is stable, so stable impact force can be ensured.

The invention discloses a buffering energy-absorbing structure which comprises a hollow metal thin-wall structure, wherein a light metal foam material or metal cellular material is filled in the hollow metal thin-wall structure; the hollow metal thin-wall structure is fixedly connected with the filled light metal cellular material through binding or brazing, thereby forming the complete buffering energy-absorbing structure; the density of the filled metal foam material along the longitudinal direction is changed in a gradient form; and an aperture size or cellular wall thickness of the filled metal cellular material along the longitudinal direction is changed in the gradient form. Compared with the traditional energy-absorbing structure, the buffering energy-absorbing structure has the advantages that the deformation mode is more stable, the energy-absorbing efficiency is higher, the weight of the energy-absorbing structure is effectively reduced, the impact force during the whole energy-absorbing process is stable and the crashing safety of the energy-absorbing structure is greatly increased. The buffering energy-absorbing structure served as a direct impact energy-absorbing structure of an automobile can greatly increase the direct impact safety of the automobile and can reduce the casualties.

A forced soil unloading drill bucket, including a drill bucket body, a drill bucket bottom door, a door opening device, and a soil unloading device. The drill bucket bottom door is located at the lower port of the drill bucket body, and one end of the drill bucket bottom door is provided with a lock. The lock is matched with the bucket door hook of the door opening device. The other end of the bottom door of the drilling bucket is hinged with the drilling bucket body by the bucket door hinge. The door opening device includes a push-down mechanism and a door-opening mechanism arranged on the drill bucket body. During the downward movement of the mechanism, after the door-opening mechanism opens the bottom door of the drilling bucket, the push-down mechanism breaks away from the door-opening mechanism and can continue to move down. The drill bucket has the advantages of good soil unloading effect, can eliminate the impact force on the equipment during the unloading process of the drilling rig, reduce energy consumption, and improve the reliability of the equipment.

The invention discloses a high-stability and firmly-mounted fixed wing aircraft wing. The high-stability and firmly-mounted fixed wing aircraft wing comprises a first wing and a mounting groove; the mounting groove is formed in the lower end of the left side of the first wing; the first wing is connected with the mounting groove in a sleeving manner; a fixing clamping seat is arranged to penetratethrough the surface end of the lower end of the left side of the first wing; and the fixing clamping seat is connected with the first wing in a through manner. According to the high-stability and firmly-mounted fixed wing aircraft wing, by arranging a support reinforcing plate at the perpendicularly intersected part of the first wing and a second wing, the support reinforcing plate can enable a suffered impact force to be stable to prevent a phenomenon that the first wing and the second wing cannot fall off; and therefore,damages of the first wing and the second wing caused by fall-off are avoided so that the service life of the integral structure of the fixed wing aircraft wing can be prolonged; and moreover, influences caused by factors such as a clearance and a manufacturing error areeliminated while the connecting strength between the first wing and an aircraft body and the connecting strength between the second wing and the aircraft body are guaranteed.

The invention belongs to the technical field of machinery and relates to a vibration-attenuating drive connection device of an electromagnetic power-off brake. The electromagnetic power-off brake comprises a brake disc, wherein a connecting hole is formed in the center of the brake disc, and the wall of the connecting hole is sunken to form internal spline grooves. The electromagnetic power-off brake is characterized in that an elastic sheet is arranged on the brake disc and comprises an elastic sheet substrate contacted with the end surface of the brake disc, block pieces which are folded inwards the spline grooves and formed beside the two side walls of the spline grooves are arranged in the positions, corresponding to the center hole of the brake disc, of the elastic sheet substrate, and when each block piece is in a free state, an elastic gap is formed between the block piece and the side wall of the corresponding spline groove. According to the device, noise between the brake discand a rotor can be effectively reduced.

The invention discloses a heat-transfer-printing marking machine for solar films. A sliding block is fixed through an adjustment lever, a heating block is fixed at the bottom of the sliding block, a marking device is fixed on the bottom surface of the heating block, according to the structure of the marking device, a rectangular through groove is formed in the upper plane of a block, a left baffle and a right baffle are fixed at two ends of the block, a marking block is inserted in the middle of the block, marking patterns are engraved in the upper plane of the marking block, the upper plane of the marking block is higher than that of the block, rod portions of a plurality of bolts are screwed on the right baffle and penetrate the right baffle to abut against the right side wall of the marking block, the left side wall of the marking block abuts against the inner wall of the left baffle, and the bottom surface of the block is fixed on the bottom surface of the heating block. The marking block of the marking machine moves up and down and is small in impact force, meanwhile, the rectangular through groove of the marking device can arrange the integrated marking block, and various patterns and combined letters can be engraved in the upper plane of the integrated marking block, so that requirements of different clients can be met.

The invention relates to the technical field of aluminum-wood composite windows, and particularly discloses an aluminum-wood composite window with good impact resistance. The aluminum-wood composite window comprises a wood frame and an aluminum frame, wherein the aluminum frame is fixedly inserted into the wood frame; a weight reducing groove is formed in the center of the front surface of the aluminum frame; a reinforcing rib plate is fixedly connected to the center between the top and the bottom of the inner wall of the weight reducing groove; damping springs are uniformly and fixedly connected to the left side and the right side of the reinforcing rib plate; a base plate is fixedly connected to one side, far away from the reinforcing rib plate, of each damping spring; a first limiting plate and a second limiting plate are fixedly connected to the left side of the inner wall of a damping plate and are close to the top and the bottom of the center respectively; clamping blocks are fixedly connected to the left side and the right side of the aluminum frame and are close to the center; and the clamping blocks are movably clamped between the first limiting plate and the second limiting plate which are adjacent to each other. According to the aluminum-wood composite window, the overall strength of the aluminum frame is improved, the impact force borne by the aluminum frame and thewood frame can be well buffered, and the influence of the impact force on the wood frame and the aluminum frame is reduced.

The invention relates to a downhole rotary impact tool based on magnetic force and a method. According to the technical scheme, a tool outer barrel is arranged on the outer side of a transmission center shaft, an upper magnetic ring is arranged on the upper transmission center shaft, the upper magnetic ring is fixedly connected with the upper transmission center shaft through a limiting bearing and a thrust bearing. The lower part of the thrust bearing is provided with a spring base. The spring base is connected with the upper end of an auxiliary spring. The lower end of the auxiliary spring is connected with a lower magnetic ring. The lower magnetic ring is fixedly connected with a cemented carbide shaft sleeve. A lower transmission center shaft is arranged at the lower part of the uppertransmission center shaft. The downhole rotary impact tool based on magnetic force and the method have the beneficial effects that the tool is simple in structure, easy to achieve and small in construction operation difficulty, downhole application is improved, a magnetic control impact mechanism is introduced, non-contact arrangement of the impact function can be realized, and the service life ofthe impact mechanism is greatly prolonged.

The invention provides a gradient honeycomb complex. The gradient honeycomb complex comprises a plurality of cell monomers with a hollow structure; after the gradient honeycomb complex is intercepted along the plane of X axis and Y axis, the thicknesses of the plurality of cell monomers in a same cross section are same; and the thickness of each of the cell monomers changes along a Z-axial direction, and the thickness of a point x in a thickening area is calculated according to a gradient value. The honeycomb thickness change mode can be easily optimized by selecting an optimum gradient parameter. When impact load in the gradient direction is applied to a gradient honey filled composite material thin wall structure, the gradient honeycomb complex can absorb more energy than traditional honeycomb complexes, and the utilization rate of the material is higher than that of the traditional honeycomb complexes; and in the bumping process, the impact force is stationary, and the gradient honeycomb complex has good crash resistance. A novel vehicle body structure is composed of the gradient honeycomb and the composite material thin wall structure, so the vehicle body structure is greatly reduced, and the crash resistance of the structure and the safety performance of a whole vehicle are improved.

The invention discloses a leg-type combined buffer for a recoverable rocket landing mechanism, and relates to the field of aerospace. The leg-type combined buffer for the recoverable rocket landing mechanism solves the problem that an existing landing buffer mechanism only adopts a metal honeycomb structure as buffer material resulting in relatively low impact energy absorbed per unit volume and non-satisfaction of the requirements of rocket landing recovery. In the leg-type combined buffer for the recoverable rocket landing mechanism, a buffer outer case is of a hollow cylindrical structure;a buffer cavity and a base are sequentially arranged in the buffer outer case from top to bottom; the base is fixed at the bottom of the buffer outer case; the buffer cavity is fixed on the base; thebuffer cavity is of a hollow cylindrical structure; a first piston push rod, a low-density metal honeycomb, a second piston push rod and a high-density metal honeycomb are sequentially arranged in thebuffer cavity from top to bottom; and the stiffness of the low-density metal honeycomb is less than the stiffness of the high-density metal honeycomb. The leg-type combined buffer for the recoverablerocket landing mechanism improves the buffer energy-absorption performance, thereby satisfying the requirements of rocket landing recovery.

The invention relates to the technical field of trundles, and particularly relates to a vibration reduction type trundle which comprises a trundle support, a wheel installed on the lower portion of the trundle support and a mounting structure arranged on the upper portion of the trundle support and used for being connected with bearing equipment, the trundle support comprises a support body, a vibration reduction frame, a fixing frame, at least one set of spring and a fixing rod, and the vibration reduction frame is of an integrally-formed structure; according to the vibration reduction type trundle, a lever principle vibration reduction mechanism is formed by matching the support body, the vibration reduction frame and the spring and the vibration reduction effect is better; and the pressing plate on the vibration reduction frame downwards abuts against the upper end of the spring, the structural strength is high, the force bearing performance is good, the stability and the durabilityare better, the occupied space of the structural design in the longitudinal space is small, the longitudinal swing space of the vibration reduction frame is large, the bearing piece is connected to the lower end of the fixing rod in a threaded mode, and disassembly and assembly are convenient.

The invention discloses an automatic seat adjusting system for a vehicle. The automatic seat adjusting system comprises an automatic adjusting base, a storage drawer and a seat; the automatic adjusting base comprises a longitudinal buffering mechanism, a middle frame assembly, a transverse damping mechanism and a middle buffering mechanism; the longitudinal buffering mechanism further comprises asliding groove and a worm frame; the storage drawer comprises a sliding frame; the sliding frame is fixedly installed at the top of the shell, a seat is fixedly installed at the top of the sliding frame, and transverse damping mechanisms are arranged at the positions, close to the front face and the back face, of the left side and the right side of the middle frame assembly. According to the invention, a sliding block is driven to slide while the sliding groove descends through downward pressure generated by bumping during driving of the vehicle, a rotating arm, a force transmission turbine, aforce transmission worm, a transmission bevel gear, a follow-up bevel gear, a force transmission gear, a guide block and a driving rack are driven to be in linkage, then a guide rod is pushed throughthe driving rack, force is transmitted to a compression spring, and the effects of longitudinally reducing and buffering impact force are achieved.

The invention provides a method for testing the shock resistance of a multi-layer co-extrusion film infusion soft bag, which can be used for digitally characterizing the shock resistance of the infusion soft bag and is convenient for analyzing and comparing the shock resistance and the liquid leakage resistance of the infusion soft bag. The method can be applied to various infusion bag products with different specifications, and test conditions and the number of samples required by the test are specified; according to the method, the impact pressure F, the impact time t, the impact resistancecoefficient [rho], the impact resistance value [lambda] and the impact liquid leakage rate P are defined. The method comprises the following steps: randomly extracting 20 infusion bag products, carrying out high and low temperature treatment, carrying out an impact test, performing calculating to obtain the impact resistance value and the impact liquid leakage rate of the sample, and comparing theimpact resistance value or the impact liquid leakage rate to judge whether the sample meets the use requirements or not, or comparing the strength of the impact resistance between different samples.

The invention discloses an instrument adopting medication steam for medical treatment. The instrument comprises a big-end-up squatting portion and a big-end-down mixing portion, a mixing unit in the mixing portion is driven to rotate through a driving spindle to have the medication steam and liquid stirred, a heating unit in the side wall of the mixing portion provides heat, temperature in the mixing portion is monitored through a temperature detection sensor in the bottom wall of the mixing portion, and the temperature detection sensor comprises a metal shell, an input wire, an input conductive piece, an output wire, an output conductive block, a plastic strip and a wax block. By the arrangement, uniformity in concentration of the medication steam can be improved, medical treatment effectis improved, and high adjustability and good automatic control are achieved.

The invention discloses a metal buffering component and a buffering mechanism based on the metal buffering component. The metal buffering component is of a hollow cylindrical structure. Four rectangular holes communicating with an inner cavity are evenly formed in the circumferential side wall of the middle portion of the cylindrical structure. The metal buffering component is made of copper. The buffering mechanism based on the metal bufferingcomponent comprises a cylinder body, a drop hammer, a supporting frame, a mounting base, a guide ball, a first stop block, the metal buffering component and a second stop block, wherein the cylinder body, the mounting base and the supporting frame are fixedly connected, and the drop hammer is arranged in the cylinder body and can slide freely to impact the guide ball; the guide ball, the first stop block, the metal buffering component and the second stop block are sequentially placed in a cavity of the mounting base in a contact mode; and the mounting base is connected to an impacted object. According to the buffering mechanism based on the metal buffering component, in the collision process, the metal buffering component deforms plastically to absorb energy, so that pulse force generated by collision is converted into constant collision force to be output and acts for a certain period of time, and requirements in engineering occasions can be well met.

The invention relates to a misoperation prevention back locking deivce applied to a metal-enclosed switchgear, in particular to a cable chamber door and switch joint locking device. The back locking deivce of the metal-enclosed switchgear comprises a switchgear body, a blocking mechanism, a transmission mechanism and a trigger mechanism, wherein an earthed switch operation shaft is arranged on the switchgear body. The trigger mechanism is stressed when a cable chamber door is closed and drives the blocking mechanism through the transmission mechanism, and blocking on rotating of the earthed switch operation shaft is unlocked; and when the cable chamber door is opened, the trigger mechanism can reset under the effect of gravity of parts of the trigger mechanism and drives the blocking mechanism through the transmission mechanism, and rotating of the earthed switch operation shaft is blocked. Compared with the prior art, gravity of the parts of the trigger mechanism serves as driving force for resetting of the blocking mechanism and is more reliable than a spring, and good achievement of five-prevention requirements is facilitated.

The invention discloses a movable impact type large pin shaft replacement device and method. According to the technical scheme, the movable impact type large pin shaft replacement device comprises an impact device body, a fine adjustment mechanism, an adjustment mechanism and a movable supporting assembly. The impact device body comprises an impact drill rod and an impact moving mechanism, and the impact moving mechanism can provide circulating reciprocating power for the impact drill rod. The fine adjustment mechanism comprises a pulley making contact with the bottom of the impact drill rod, and the pulley is connected with the impact moving mechanism through a connecting support. The adjustment mechanism is located below the impact drill rod and comprises a lead screw rotationally connected with the impact moving mechanism, and the lead screw is provided with a manual pull rod. The movable supporting assembly is used for supporting the impact device body and installed at the bottom of the impact moving mechanism. The safety of maintenance operation can be improved, the working efficiency is improved, and the resource utilization rate is increased.

The invention discloses a metal buffering component and a buffering mechanism based on the metal buffering component. The metal buffering component is of a hollow cylindrical structure. Four rectangular holes communicating with an inner cavity are evenly formed in the circumferential side wall of the middle portion of the cylindrical structure. The metal buffering component is made of copper. The buffering mechanism based on the metal bufferingcomponent comprises a cylinder body, a drop hammer, a supporting frame, a mounting base, a guide ball, a first stop block, the metal buffering component and a second stop block, wherein the cylinder body, the mounting base and the supporting frame are fixedly connected, and the drop hammer is arranged in the cylinder body and can slide freely to impact the guide ball; the guide ball, the first stop block, the metal buffering component and the second stop block are sequentially placed in a cavity of the mounting base in a contact mode; and the mounting base is connected to an impacted object. According to the buffering mechanism based on the metal buffering component, in the collision process, the metal buffering component deforms plastically to absorb energy, so that pulse force generated by collision is converted into constant collision force to be output and acts for a certain period of time, and requirements in engineering occasions can be well met.

Disclosed is a medicine evaporation method disease treating instrument. An upper main shaft and a lower main shaft inside the instrument drive a left arc pipe, an upper flat pipe, a right arc pipe, alower flat pipe, an inner sub-body and stirring blades to rotate so as to stir disinfecting materials, and therefore the medicine steam and liquid medicine concentration uniform can be improved; airflow ejected through inner and outer vent holes can form vortex so as to enhance the stirring function, and the stirring blades can be driven by rotating strength and the airflow ejected through the vent holes so as to swing around a rotating shaft, a heating device inside the side wall of a liquid medicine bin provides heat, and a temperature measuring sensor inside the bottom wall of the liquid medicine bin monitors the temperature inside the liquid medicine bin. Due to the design, the medicine steam concentration uniformity can be improved, the treatment effect is improved, the adjustabilityis high, and the automatic controllability is good.

The invention relates to an axial hydraulic impact well-drilling speed-increasing tool. According to the technical scheme, a shell body is connected with a stator of a power drilling tool, the insideof the shell body is connected with a shunt plate by a key structure, the upper portion of a power drilling tool joint is connected with a rotor of the power drilling tool, the lower portion of the power drilling tool joint is connected with a mandrel, and the power drilling tool joint and the mandrel rotate along with the rotor of the power drilling tool relative to the shell body and the shunt plate. The shunt plate is located in a shunt cavity formed by combination of the mandrel and the shell body, and a shut-off plate is located on the middle portion of the mandrel. The shunt plate and the shut-off plate realize periodic flow passage communication through relative rotation, so that the shut-off plate is impacted, and the mandrel generates axial impact as a whole. The axial hydraulic impact well-drilling speed-increasing tool has the beneficial effects that the rotor of the power drilling tool drives a drill bit to rotate normally at a high speed, and uniform, stable and periodic impact force can be generated depending on hydraulic power, so that axial hydraulic impact is completed to assist in improving rock breaking efficiency; and in addition, the structure is simple, the connection is compact and the length is extremely short, long-time work is facilitated, and popularization is facilitated.

A fumigation type gynecological medical device comprises a T-shaped outer frame, an inner heater, a short stirring shaft, a long stirring shaft, an upper rotating shaft, a lower rotating shaft and a steam generation chamber, wherein the T-shaped outer frame, the inner heater, the short stirring shaft and the long stirring shaft in the steam generation chamber are driven by the upper rotating shaftand the lower rotating shaft to stir medicine steam and liquid medicine, so that the concentration uniformity of the medicine steam and the liquid medicine is improved. The internal heater and the heating device in the side wall of the steam generation chamber are used for heating together, the heating uniformity is improved, the temperature in the steam generation chamber is monitored by the temperature sensor in the bottom wall of the steam generation chamber, the temperature sensor comprises a metal shell, an input power line, an output power line, an electrifying block, a left wax block,a right wax block and an insulating platform. In addition, short medicine outlet holes and long medicine outlet holes can achieve on-line medicine supplement, and the concentration of liquid medicineis ensured. By adopting the design, the uniformity of the medicine vapor concentration can be improved, the medical effect can be enhanced, the medicine can be supplemented on line, and the adjustability is high.