627results about How to "Avoid using influence" patented technology

The invention provides a detergent dosage controller which is simple in structure and convenient to use and can prevent detergent from being solidified to hinder the use. The detergent dosage controller comprises a main channel; an inlet for inputting a liquid stream is formed in one end of the main channel; an outlet which can be connected with the water inlet of a washing barrel is formed in the other end of the main channel; the detergent dosage controller is provided with a valve A, a valve B, a valve C, a valve D, a liquid collecting cavity and a Venturi negative pressure generator; the inlet of the valve A is connected with a branch of the main channel; the inlet of the valve B can be communicated with a liquid storage tank for detergent A; the outlets of the valve A and the valve B are communicated with the inlet of the valve C; the inlet of the valve D can be communicated with a liquid storage tank for detergent B; the outlets of the valve C and the valve D are communicated with the inlet of the liquid collecting cavity; the outlet of the liquid collecting cavity is communicated with the negative pressure port of the Venturi negative pressure generator through a backflow passage; the outlet of the Venturi negative pressure generator is communicated with the inlet of the main channel; the inlet of the Venturi negative pressure generator is connected with a water source. The detergent dosage controller is applicable to electric clothes washing machines or dish washing machine.

The invention discloses a method for certifying a third-party application program, a mobile terminal and a cloud server. The method for certifying the third-party application program via the mobile terminal comprises the following steps of: downloading an installation file or an upgrade file of the third-party application program; acquiring information of the third-party application program and sending the information to the cloud server; receiving an information matching result of the third-party application program retuned from the cloud server; and allowing to install the installation file or the upgrade file of the third-party application program when the information of the third-party application program is matched with certification information stored in the cloud server. The method can be used for avoiding the incapability of normally installing a safe application program or the installation of unsafe application program information by mistake caused by untimely upgrading of the certification information of the third-party application program, effectively improving the security of the mobile terminal and avoiding the affect on the normal use of the mobile terminal.

The invention discloses an application program upgrading method and system and relates to the field of software upgrading technology. The application program upgrading method comprises the steps thatan application program upgrading request sent by a terminal is acquired; according to a current version number and a channel identifier, carried in the application program upgrading request, of an application program, whether a new version of the application program is available in a channel corresponding to the channel identifier is detected; when the new version is available, whether the currentversion of the application program is lower than a preset version is judged; and when the current version is lower than the preset version, first upgrading control information is sent to the terminalso that the terminal can perform forced upgrading on the application program. According to the method, different upgrading schemes are selected according to different channels and specific versions of user applications; and different strategies are adopted according to different conditions, so that the satisfaction of users is improved.

The invention provides a project release method and system. The method includes the steps that a project release instruction is received, and the versions of projects to be released are determined; according to the determined project versions, the determined projects are released into a server; the released projects are monitored, and the project version information released every time is obtained and stored. The project release method has the advantages that the projects can be automatically released, manpower and time are saved, the release error rate is lowered, a user can use the projects which are better after being updated as soon as possible, and it can be avoided that use of the user is affected because the projects are not successfully released.

The invention relates to an indoor building construction hoist with an elevator shaft as a channel. The indoor building construction hoist comprises an elevator car, a main support and a falling protector. The elevator car is fixed to the main support. The main support is arranged on a guide rail support in a sliding manner. The guide rail support is fixed to a wall of the elevator shaft. An electric conduction sliding way is fixed to the wall of the elevator shaft. A drive mechanism making the main support and the elevator car integrally run up and down along the guide rail support is arranged between the main support and the guide rail support, and the electric conduction sliding way provides power for a motor in a gear and rack drive mechanism. The indoor building construction hoist is integrally installed in the elevator shaft of a building, and influences on usage of the hoist due to the severe weather can be avoided; the periphery space of a building body is not occupied, secondary construction of the building is not affected, and the construction cost is reduced; the guide rail support can be fixed to the inner wall of the elevator shaft joint by joint, and the safety coefficient is increased; installing is synchronously conducted along with construction of the building body, the utilization rate of the hoist is increased, and the building finishing time is shortened; and construction of peripheral protection facilities is eliminated, and cost input is reduced.

The invention discloses a Z-reference plane detection and setting method for a vertical miller. The Z-reference plane detection and setting method comprises the following steps of using a probe to perform alignment of a reference processed plane and calibration, determining a positioning plane contour on a tool according to the size and the position of a part blank before measurement, selecting aplurality of sampling points as sampling positions according to a part positioning plane position by taking the positioning plane contour as a boundary, and taking an average value of Z values of thesampling points as the position of a Z-reference plane. The Z-reference plane detection and setting method provided by the invention effectively solves the problems of slow speed, poor reliability andlow accuracy of manually setting Z initial origins of a processing coordinate system in the numerical control machining process.

The invention discloses a belt conveyor transfer point closed dust controlling and dust removing system. The dust removing system comprises a closed dust controlling module, a dust adhesive dust suppression module and an atomized dust settling module, wherein the dust adhesive dust suppression module and the atomized dust settling module are located below the closed dust controlling module. The closed dust controlling module comprises an annular dust retardation air curtain generator connected with a pressure ventilation pipe. The dust adhesive dust suppression module comprises a dust adhesive solution transmission and distribution pipe connected with a water supply pipe I. The atomized dust settling module comprises a pressure water pipe connected with a water supply pipe II. In addition, the invention provides a method for conducting dust removing through the belt conveyor transfer point closed dust controlling and removing system. By the adoption of the belt conveyor transfer point closed dust controlling and removing system and the dust removing method, the problem that dust is diffused at a transfer point is solved, the dust removing efficiency is improved, influences on operation of a belt at the transfer point and inspection of workers are avoided, the situation that a dust generation area is disturbed by the external environment is avoided, and the dust generating amount can be reduced fundamentally.

The invention discloses a system for integrated control of a multimedia classroom based on Internet of Things. An input end of a school network center is connected to a data terminal of a network monitoring platform and an information security monitoring system; an input end of the network monitoring platform is connected to a third-generation network type master controller; an output end of the third-generation network type master controller is also connected to a satellite resource signal generator; the satellite resource signal generator comprises an audio and video acquisition and monitoring system and a remote control platform; a bidirectional port of a network management platform is also connected to multimedia equipment; the remote control platform mainly adopts a network technology to cooperate with a control center management platform and applies a TCP / IP protocol to realize remote network control, the unnecessary switching and the non-normal use of equipment are reduced, and the equipment operation can be guaranteed to be more convenient, flexible and reliable and safer.

The invention relates to Bluetooth earphone equipment, which comprises a Bluetooth earphone body, an ordinary earphone body and a connecting wire, wherein the connecting wire can be connected to the Bluetooth earphone body, the ordinary earphone body and an audio interface at the same time. The Bluetooth earphone equipment is characterized in that: the Bluetooth earphone body comprises an earphone charging chip and an earphone battery, which are electrically connected with each other; the Bluetooth earphone is provided with a contact elastic piece A and a contact elastic piece B; the contact elastic piece A is electrically connected with the charging chip of the Bluetooth earphone body, and is electrically connected with the audio interface of a mobile terminal through the connecting wire; and the contact elastic piece B is a grounding end. The earphone battery of the Bluetooth earphone can be charged by adopting an ordinary earphone charger, and also can be charged through the connecting wire and the audio interface.

The invention discloses a Bluetooth headset. The Bluetooth headset comprises a headset charging chip and a headset battery which are mutually electrically connected, wherein the Bluetooth headset further comprises a first contact elastic sheet, a second contact elastic sheet and a first positioning structure; the first contact elastic sheet is electrically connected to the headset charging chip of the headset and is electrically connected to an external device; the second contact elastic sheet is a grounded terminal; and the first positioning structure is used for arranging the Bluetooth headset to the external device in a matching mode. The invention also discloses a mobile phone matched with the Bluetooth headset. The Bluetooth headset and mobile phone provided by the invention have various convenient charging modes and are convenient for users to use. The Bluetooth headset has a touch pen function and is difficult to lose.

The invention provides a spraying device for workpiece cleaning. The spraying device comprises spraying pieces, an air cylinder and a connecting plate. Each spraying piece comprises a water inlet pipe, a guide post, a guide rod seat, a linear bearing, a base plate used for fixing the guide rod seat and the air cylinder and probes. The water inlet pipe is communicated with each probe through the guide post, each guide post penetrates the corresponding linear bearing fixed in the guide rod seat, the guide rod seats and the air cylinder are fixed on the base plate, the piston end of the air cylinder is connected with the connecting plate, and the guide posts are fixed on the connecting plate. By the arrangement, the problem about automatic lifting of the probes during workpiece cleaning is solved, close-range cleaning of the workpiece is facilitated, and cleaning effect of the workpiece is guaranteed.

The invention discloses a marine photovoltaic support lifting mechanism and platform including a supporting platform; a mounting groove is formed in the supporting platform; a first motor is fixedly connected into the mounting groove; the output end of the first motor is fixedly connected with a first bevel gear; a rotating shaft is inserted into the middle of the upper surface of the supporting platform; a second bevel gear is fixed to the bottom end of the rotating shaft and engaged with the first bevel gear, a rotating disc is fixedly connected to the top end of the rotating shaft, a supporting base is fixedly connected to the upper surface of the supporting platform, rolling wheels are rotationally connected to the supporting base, and the top ends of the rolling wheels abut against the lower surface of the rotating disc; according to the invention, the photovoltaic support is changed from a fixed structure, the inclination angle can be adjusted for placement, meanwhile, the photovoltaic support has the rotating and lifting functions in the using process, the orientation of the support can be well adjusted according to the actual situation, the lighting effect of the solar cellpanel is good, and the light energy absorption effect and the working efficiency are improved.

The invention discloses a multifunctional sports training auxiliary device which comprises a transmission bin, a volleyball transporting device and an auxiliary device body.A sealing switch door is arranged on the surface of one side of the auxiliary device body, and a water pump is arranged on the surface ofthe other side of the auxiliary device body;a transfer box is arranged on one side of thewater pump, a rotating motor is arranged on one side of the transfer box, thetransmission bin is arranged at the upper end of the auxiliary device body, and a fan is arranged on one side of the transmission bin;a buffer is arranged at the lower end of the inner part of the transmission bin, and a third rotating shaft drives a shaft-moving connecting rod to rotate integrally through a rotating disc;when a striking head at one end of the shaft-moving connecting rod is in contact with the baffle and is prevented from continuing to rotate, so that the shaft-moving connecting rod is bent in a single mode, a spring accumulates at the time, when the shaft-moving connecting rod is bent, the energy of the striking head is instantaneously released through the baffle, and a volleyball is hit and discharged from a ball out pipeline for auxiliary training, so that the training efficiency isimproved.

The invention provides a carbon fiber silk supplying machine which comprises a machine base and a plurality of silk placing rollers, wherein the silk placing rollers are divided into a plurality of rows and uniformly arranged at one side of the machine base, silk guide rollers matched with each row of silk placing rollers are arranged at the top end of the machine base, and the silk guide rollersare arranged at the top end of the machine base; the axial lines of the silk guide rollers are parallel to the axial lines of the silk placing rollers; the silk placing rollers are arranged at one side of the machine base through a rotating shaft, the rotating shaft penetrates through one side of the machine base, one end of the rotating shaft is positioned at the inner side of the machine base, and the other end extends to the outer side of the machine base; and the silk placing rollers are fixedly arranged at one end of the rotating shaft extending to the outer side of the machine base, anda damper is fixedly arranged at one end of the rotating shaft positioned at the inner side of the machine base. The invention ensures stable silk supplying tension of carbon fibers in the silk supplying process, avoids nonuniform silk supply and improves the quality of the carbon fibers.

The invention discloses a multifunctional dustproof heat-dissipation type computer host shell and relates to the technical field of computers. The multifunctional dustproof heat-dissipation type computer host shell comprises a shell body, a square containing groove is formed in the upper end face of the shell body, two n-shaped handles are further detachably arranged on the upper end face of the shell body, a CD-ROM device, a groove and a heat dissipation hole area are sequentially arranged on the surface of the front end of the shell body from top to bottom, a plurality of USB interfaces are installed on the right side in the groove side by side at equal intervals from top to bottom, a power button, a restarting button and an audio interface are installed on the left side of the groove, a dustproof plate is arranged on the outer side of the groove, the upper portion of the dustproof plate is connected to the top of the groove through a hinge mechanism, a main magnetic strip is arranged on the lower portion of the dustproof plate, an auxiliary magnetic strip matched with the main magnetic strip is arranged on the surface of the front end of the shell body, moving wheels are arranged at the bottom of the shell body, and a damp-proof layer is arranged on the lower end face of the shell body. The multifunctional dustproof heat-dissipation type computer host shell has the advantages of being simple in structure, convenient to use and high in heat dissipation efficiency.

The invention belongs to the technical field of cosmetics boxes, and particularly relates to a powder box used for a cosmetics package. The powder box comprises a box cover, a bottom box, a filter plate and a drive rod, and the box cover is arranged on the bottom box through cooperation of an inner thread on the box cover and an outer thread on the bottom box. The filter plate is arranged in the bottom box. In the powder box usage process, the filter plate is made to downwards move relative to the bottom box through rotation of a drive disc. Foundation make-up, located on the lower side of thefilter plate, in the bottom box seeps to the upper side of the filter plate through filter holes in the filter plate; accordingly, usage is conducted, and after usage is finished, the bottom box is reversely buckled down; at the time, the foundation make-up, located on the filter plate, in the bottom box can be poured out; the situation that when the foundation make-up is used by other people next time, infection is caused to other people through the foundation make-up left on the upper side of the filter plate is avoided; according to the designed powder box, the seepage amount of the foundation make-up in the bottom box can be increased through rotation and vibration of the filter plate; and the situation that due to the insufficient seepage amount, usage is influenced is avoided.

The invention discloses a water recycling device for paper-making equipment. The water recycling device comprises a rack; a discharge pipe is fixedly connected with the bottom of the rack; the discharge pipe is communicated with an inner cavity of the rack by a through hole formed in the lower surface of the rack; a purifying box is arranged at the left side of the rack; a first water pump is arranged between the rack and the purifying box; the first water pump is communicated with the discharge pipe by means of a water delivery pipe arranged at a water inlet of the first water pump; a water delivery pipe, arranged at a water outlet of the first water pump, extends to the top of the purifying box, penetrates through a top plate of the purifying box and extends into the purifying box; a second water pump is fixedly connected with the left side of the upper surface of the purifying box. The water recycling device can purify the used water due to the arrangement of the purifying box, thus not only reducing the waste, but also avoiding the pollution caused by directly discharging the used water; therefore, the water recycling device is beneficial to environmental protection and can reduce the paper-making cost. Furthermore, the water recycling device is simpler in structure and convenient to use.

The invention belongs to the fields of cleaning and protection of high-speed rails and in particular relates to a cleaning agent for the outer surface of a high-speed rail. In order to solve the problems that oil paint and rubber on the outer surface of the high-speed rail are easily damaged by the existing cleaning agent and the environment is severely polluted by wastewater produced by using theexisting cleaning agent, the invention provides the cleaning agent for the outer surface of the high-speed rail. The cleaning agent for the outer surface of the high-speed rail contains 1.5-2 parts of disodium succinate, 1-1.5 parts of sodium percarbonate, 0-1.5 parts of diammonium citrate, 5 parts of trisodium citrate, 5 parts of sodium laurylsulfate, 1-3 parts of lemon oil and diacid ester mixture, 1-2.5 parts of ethanol, 2-2.5 parts of propylene glycol and 78-84 parts of water. The PH value of the cleaning agent for the outer surface of the high-speed rail is close to 7, so that the oil paint and rubber on the outer surface of the high-speed rail can be prevented from being damaged, the cleaning agent can be rapidly degraded, has no pollution to the environment and has the cleaning rate of 93% or above.

The invention discloses ultrasonic department coupling agent smearing apparatus for preventing cross infection. The smearing apparatus comprises a coupling agent storage box, a sealing cover, a smearing head, a push rod and a protective shell, wherein the upper end of the coupling agent storage box is in threaded connection with the sealing cover, a telescopic rod is arranged at the lower end of the coupling agent storage box, the inside structure of the telescopic rod is of a hollow structure, the smearing head is arranged at the bottom end of the telescopic rod, a connecting rod is fixedly connected with the upper surface of the smearing head, a control valve is fixedly connected with the top end of the connecting rod, sliding pieces are arranged on two sides of the control valve, and one ends of the two sliding pieces are fixedly arranged at the side edge of the coupling agent storage box. Through the arranged control valve, the opening and closing of the bottom end of the couplingagent storage box can be controlled by the position movement of the control valve, and a residual coupling agent can be discharged, so that the cross infection, and the influence on the next use of aprobe after solidification of the residual coupling agent are prevented.

The invention discloses a modified TPU film fabric compound and a preparation method thereof. The film fabric compound comprises a modified TPU surface film layer, a PU surface adhering layer, a polyethylene fiber modified nylon base fabric, a PU bottom adhering layer and a modified TPU bottom film layer which are sequentially arranged, wherein a TPU modifying agent and polyester type TPU resin are mixed and dried based on ratio and then are extruded and cast to form a film; finally, the obtained modified TPU film layer is preheated with the nylon base fabric which is subjected to dehumidifying, pasting and drying; the modified TPU film layer and the nylon base fabric are processed by opposite pressing, laminating and winding through two mirror roller surfaces. The traditional preparationtechnology of the film fabric compound is modified, and thus a novel production method and technology is provided to a graphene oxide modified TPU film fabric compound; moreover, the prepared film fabric compound is high in tensile strength, tearing intensity and stripping fastness, and also has the bacteria resistance and bacteriostasis performances.

The invention relates to an auxiliary applicator, and in particular relates to a skin surface ointment auxiliary applicator for the dermatology department. The technical problem is how to design the skin surface ointment auxiliary applicator for the dermatology department, which can be used for conveniently applying ointment onto the skin of a patient, can replace an object for applying the ointment, and avoiding cross infection. The skin surface ointment auxiliary applicator comprises a frame body and a circular magnet, wherein a rotating shaft is rotationally connected between the two sidesof the frame body; three fixing rods are fixedly connected to the middle of the frame body in the circumferential direction at intervals; and the circular magnet is fixedly connected to the end part of the fixing rod far away from the rotating shaft. According to the skin surface ointment auxiliary applicator for the dermatology department in the invention, a proper amount of ointment is smeared on a smearing block; a medical worker can move the device to enable the smearing block to be contacted with the skin of the patient; the smearing block smears the ointment on the skin of the patient; after ointment smearing is completed, an arc-shaped pull rod is pulled to move rightwards; the next new smearing block can be reversed to the left side to be used; therefore, cross infection can be avoided; and operation is convenient.

The invention discloses a multifunctional cardiovascular medicine department monitoring device which comprises a table plate. Vertical support plates are fixedly installed on both sides of the bottomsurface of the table plate, a transverse plate is arranged on one side of the top surface of the table plate, and a circular groove is formed in one side of the top surface of the table plate. A plurality of sliding rods are fixedly installed on the bottom surface of the transverse plate, and the lower ends of the sliding rods are located in the circular groove and can slide along the circular groove. A through hole is formed in the bottom surface of one side of the table plate, the through hole communicates with the interior of the circular groove, a vertical rod is arranged in the through hole, and the upper end of the vertical rod is fixedly connected with the bottom surface of the transverse plate. A vertical fixed plate is fixedly installed on the bottom surface of the table plate, and guide sleeves are fixedly installed at the front and rear ends of one side of the vertical fixed plate. A rack penetrates through the interiors of the two guide sleeves, the rack can move along theguide sleeves, a gear is arranged on one side of the rack, and the gear meshes with the rack. According to the multifunctional cardiovascular medicine department monitoring device, a placement grooveof an oxygen mask can be opened while an electrocardiograph monitoring device is adjusted well, one-step-in-place is achieved, the operation is simple, and the time of treating patients is saved.

The invention relates to an examination device, in particular to an examination device for throat examination in ear, nose and throat department, and aims to provide an examination device for throat examination in the ear, nose and throat department which is characterized in that a doctor can clearly examine throat conditions of a patient without holding an examination bar with one hand and holding a flashlight with the other hand. The examination device comprises an examination bar and the like, a visiting mechanism is connected at the top of the examination bar, and the front side of the examination bar is connected with a sliding mechanism. According to the examination device, a magnifying lens moves towards the left or towards the right by the aid a guide sleeve, so that a user can clearly examine the throat conditions of the patient, the user pushes the guide sleeve rightwards, the guide sleeve is released, the magnifying lens can move leftwards or rightwards by the aid of a spring, and the user cannot bilaterally move the guide sleeve to control movement of the magnifying lens.

The invention relates to a foldable apartment bed, in particular to a multifunctional space-saving foldable apartment bed. The invention provides the multifunctional space-saving foldable apartment bed which is convenient for people to use and can be folded as required. The multifunctional space-saving foldable apartment bed in the invention comprises: a bed frame; two sliding blocks, which are both installed on the bed frame in a sliding mode; and two bed boards, which are installed between the bed frame and the two sliding blocks respectively. According to the invention, the sliding blocks can be clamped through a clamping mechanisms during normal use of the bed, then the bed boards are fixed; people can get in and out of the bed more conveniently through a staircase mechanism; articles can be placed on a placing plate through a placing mechanism; the placing plate can be fixed through a fixing mechanism when the placing plate is not used, so the situation that the placing plate falls to affect use of the bed by people is avoided; a ladder can be loosened through rotating mechanism when the bed board on the right portion rotates downwards to be folded, so the ladder can rotate conveniently; and the folding apartment bed can be fixed through a positioning mechanism after the apartment bed is folded.

The invention discloses a pulley assembly, which comprises a fixed pulley, a movable pulley and a flexible cable, wherein the fixed pulley is rotatably arranged; the movable pulley is rotatably arranged; and the flexible cable winds on the fixed pulley and the movable pulley. The pulley assembly is characterized in that the fixed pulley is rotatably arranged on a first pulley bracket and the movable pulley is rotatably arranged on a second pulley bracket. The pulley assembly also comprises a connecting piece, the length of which can be adjusted. The connecting piece is connected with the first pulley bracket and the second pulley bracket. The length of the connecting piece can be adjusted when the second pulley bracket moves towards or away from the first pulley bracket. The problem that the second pulley bracket swings when the flexible cable is only used is avoided. As the rigid connecting piece is adopted, the second pulley bracket can easily move to an expected position, and worker operation is not required, thus reducing labor intensity and avoiding danger. The flexible cable winds from two sides of a pivot, so as to prevent winding of the flexible cable from influencing the usage.

The invention discloses a water dispenser overheat protection device capable of achieving automatic power off based on air thermal expansion. The device structurally comprises a water bucket receivingseat, a water dispenser body, a power connection indicator board, water taps, a water joint, a water tank and a remaining water receiving seat. The water dispenser body is a cuboid, the water bucketreceiving seat is embedded in the middle of the top end in a fastening mode, the power connection indicator board is embedded in the front top corner in a locking mode and electrically connected withthe water dispenser body, and the water tank is integrally arranged in the middle of the front end. The water joint is embedded in the top end of the water tank in a locking mode and locked with the water dispenser body. Two water taps are provided, both embedded in the water dispenser body in a fastening mode and located on the left side and the right side of the top end of the water tank, and can be connected with a manual electric heating mechanism through a thermal expansion mechanism. When the device is used, the device automatic power off in case of overheating can be achieved through the thermal expansion principle, electronic detection is not required, and the device is more convenient to repair and maintain. A heat insulation and expansion detecting mechanism adopted can better avoid the environmental impact on the device detection and make the device more convenient to use.

The embodiment of the invention discloses an antifogging laparoscope lens. The antifogging laparoscope lens comprises a holding handle, a laparoscope tube, a partitioning plate, a light source conduction path, an image receiving path, an antifogging lens and electric heating wires. The antifogging laparoscope lens is characterized in that the holding handle is connected with the external wall of the laparoscope tube, one end of the laparoscope lens is connected with the antifogging lens to form a tube cavity, the partitioning plate is internally arranged in the middle of the laparoscope tube and connected with the inner wall of the laparoscope tube, the tube cavity is divided into a U-type cavity, the electric heating wires are arranged on one side of the U-type cavity, and the light source conduction path and the image receiving path are internally arranged in the U-type cavity and face the antifogging lens. Compared with the prior art, the antifogging laparoscope lens has the advantages that the electric heating wires are arranged in the antifogging laparoscope lens, air is blown into the lens constantly during usage and heated when passing through the electric heating wires, hotair flows in the U-type cavity to heat the antifogging lens, and it is avoided that water vapor condenses on the lens since the temperature of the antifogging lens is too low, and as a result usage is affected.

The invention relates to a casting material, and belongs to the technical field of refractory materials. The casting material is prepared from the following raw materials: mullite, quartzite, blast furnace slag, additive, baryta feldspar, water reducer, adhesive and auxiliary additives, wherein the additive is prepared by the following steps: grinding magnesium oxide and yttrium oxide in a grinding machine, collecting the ground material, and uniformly stirring the ground material, strontium carbonate and boron carbide to obtain the additive. According to the casting material, mullite with low expansion coefficient is used as a base material to prevent the casting material from expanding when the casting material is heated and prevent influence to application of the casting material; and strontium carbonate and boron carbide are added into the additive, the strontium carbonate is decomposed at high temperature to form strontium oxide, and the strontium oxide is combined with silicon dioxide in the raw materials, so that the temperature resistance of the casting material is improved, and the binding performance of the additive and the base material is improved; and boron-yttrium alloy is formed from the boron carbide and yttrium oxide, so that the temperature resistance and mechanical performance are improved.

The invention discloses a medical anti-fall box. The medical anti-fall box comprises a shell and a containing cavity positioned in the shell; a motor is arranged on the lower end wall of the containing cavity; two buffer devices which are symmetrical about the containing cavity are arranged on the two sides of the containing cavity; each buffer device internally comprises a diffusion elastic device positioned in the shell and an extension elastic device positioned outside the shell; each diffusion elastic device comprises a transmission cavity; each extension elastic device comprises an extension shell and an extension elastic cavity positioned in the left end surface of the extension shell; and a diffusion movable space is arranged between each extension shell and the corresponding transmission cavity. The device can automatically close an opening and closing door, can detect falling of a medicine box when the medicine box falls off, and can protect articles in the medicine box through the diffusion elastic device and the extension elastic device, so that use of the articles is prevented from being influenced by action of external force, and safety performance is greatly improved.