155results about How to "Avoid moving back and forth" patented technology

The invention relates to the field of electric connectors, in particular to an underwater separation electric connector and a plug thereof. The plug comprises a plug casing, wherein a mandrel casing pipe, a mandrel, a sliding sleeve, a steel ball, a pushing and pressing spring and a locking spring are arranged in the plug casing; a rotating part is also arranged on the plug casing; the mandrel casing pipe is arranged in the plug casing in a laterally slidable manner; the rotating part and the mandrel casing pipe form a lead screw nut mechanism for driving an adapted locking ring to reciprocate; a sealing section is arranged on one of the mandrel and the mandrel casing pipe; a sealing matched structure is arranged on the other one of the mandrel and the mandrel casing pipe; the sealing section and the sealing matched structure are mutually matched to block off the front part and the rear part of an inner hole in the mandrel casing pipe; and when the mandrel casing pipe and the adopted locking ring are unlocked and continuously pull the mandrel backwards, the sealing section and the sealing matched structure are staggered at the front part and the rear part and two ends of the inner hole in the mandrel casing pipe are communicated. According to the underwater separation electric connector assembly, the pressure relief separation is realized and the prevention of short circuit in the process that a socket is separated from the plug and after the socket is separated from the plug can be also realized.

The invention discloses an improved structure of a fan bearing pack. The fan bearing pack is arranged between a shaft tube of a base of a fan and an impeller and comprises a fixing block and a spindle, wherein the fixing block is provided with a cone-shaped groove in the middle, and the spindle is inserted into the shaft tube. One end of the spindle is fixedly arranged on the impeller and the other end of the spindle is formed into a cone-shaped end which can pivot in the groove of the fixing bloc. The spindle is provided with a ball bearing, a lower gasket, a spring clamped and supported between the ball bearing and the lower gasket. The fan bearing pack has advantages of low manufacture cost, stable rotation, reduction of vibration, noise and shearing force applied on the spindle and improved service life.

The invention discloses a wall spraying device for building decoration and a method thereof, and relates to the technical field of building construction equipment. The wall spraying device comprises amachine frame, a bottom plate is arranged at the bottom of the machine frame, a feeding device is arranged on the bottom plate, and the feeding device comprises a material storage box. A feeding pumpis arranged on the side, located on the bottom plate, of the material storage box, the feeding end of the feeding pump is connected with the material storage box through a first feed delivery pipe, and a feeding pipe is arranged at the discharging end of the feeding pump. The machine frame is provided with a horizontal moving mechanism, the horizontal moving mechanism is provided with a verticalmoving mechanism, and the vertical moving mechanism is provided with a spraying mechanism. The different position adjustment of the spraying mechanism can be realized by arranging the horizontal moving mechanism and the vertical moving mechanism, so that the entire device is prevented from being moved back and forth when a wall is sprayed, and requirements of wall painting areas are met; and thenthe spraying efficiency is improved, the spray quality is guaranteed, and the spray uniformity is improved.

The invention provides an assembly device for a shaft end nut, which belongs to the technical field of shaft workpiece assembly. The piston of the clamping fastening mechanism is slidably arranged in the cylinder body, the driving pin is fixed at one end of the piston rod, the driving pin is inserted into the first open groove and the second open groove, and the guide rod and the guide sleeve of the shaft end nut tightening mechanism are up and down. Slidable connection, the upper end of the tightening piston rod is connected to the tightening support seat, the nut support seat is coaxially installed on the upper end of the second rotating shaft, the air pump of the pneumatic drive mechanism is connected to one end of the pressure regulating valve, and the other end of the pressure regulating valve is connected to the first three The first valve port of the one-position four-way reversing valve and the fifth valve port of the second three-position four-way reversing valve, the second valve port is connected to the first air valve on the cylinder body, and the third valve port is connected to the The second air valve, the sixth valve port is connected to the lower air valve of the tightening cylinder, and the seventh valve port is connected to the upper air valve of the tightening cylinder. The invention quickly realizes the clamping and fastening of the shaft, and realizes the automatic assembly of the nut at the shaft end, and has a reasonable structure.

The invention relates to the field of electric couplers, in particular to an electric coupler assembly, a plug of the electric coupler assembly and an underwater short-circuit-resistant socket of the electric coupler assembly. The electric coupler assembly comprises the plug and the socket, a mandrel locking mechanism is arranged between the plug and the socket, a socket contact piece comprises a floating contact piece and a change-over contact piece, the portion, behind a fixed insulator, of a floating insulator can be assembled in a socket shell body in a forward and backward floating mode, and a separating spring is arranged at the front end of the floating insulator in an ejecting mode, the floating contact piece is separated from the change-over contact piece under the action of the separating spring, a locking ring is fixedly assembled on the floating insulator and forward penetrates through the fixed insulator, the fixed insulator is matched with the locking ring in a sliding and sealed mode; a rotating piece is arranged on a plug shell body, a mandrel sleeve can be assembled in the plug shell body in a forward and backward sliding mode; the rotating piece and a sliding sleeve form a lead screw nut mechanism which is used for driving the locking ring to move and driving the floating contact piece to be connected with the change-over contact piece in an inserting mode; the problem that a socket of an electric coupler assembly can not be prevented from a short circuit underwater after being separated from a plug is solved.

The invention discloses a wind power bird expelling apparatus and a bird expeller, and belongs to the field of the bird expeller. The wind power bird expelling apparatus comprises a supporting frame,a rotary frame and a supporting connecting base; reflectors are arranged on the rotary frame; the supporting connecting base comprises a clamping base, a first clamping part and a second clamping part; the first clamping part and the second clamping part are arranged on one side of the clamping base side by side; the second clamping part is provided with a prop-up bolt; the prop-up bolt is provided with a pressing part capable of propping steel angle; and one longitypical part of the steel angle can be clamped between the first clamping part and the second clamping part while the other longitypical part can be clamped between the end parts of a first check block and the second clamping part. According to the bird expeller, each reflector is semispherical. The wind power bird expelling apparatus, by virtue of the first clamping part and the second clamping part, can be fixed on the steel angle of a power transmission line tower more stably and firmly, is not damaged easily under relatively strong wind force, and can play a bird expelling effect more continuously; and the bird expeller not only can reduce resistance in rotation, but also can be mounted on the power transmission linetower more firmly.

The invention relates to a trolley for transporting forest fruits in hilly areas and capable of automatically leveling. The trolley consists of a walking drive chassis, a fruit box tray and a hydraulic leveling mechanism. Each crawler belt is provided with two connected side plates, a crawler belt walking frame is connected with the side plates, thrust wheels are connected with the side plates through cross beams and guide wheels by tensioning devices, one ends of two leveling hydraulic cylinders are hinged to the fruit box tray, the other ends of the two leveling hydraulic cylinders are hinged to the crawler belt walking frame, rod cavities of the two leveling hydraulic cylinders are connected with each other, and rodless cavities of the two leveling hydraulic cylinders are also connectedwith each other. When the trolley goes uphill and downhill, a certain angle is formed between the crawler belt walking frame and the horizontal plane, by the gravity of the fruit box tray, a piston rod of one leveling hydraulic cylinder stretches, and a piston rod of the other leveling hydraulic cylinder is shortened. From a hydraulic principle, it can determine that the stretching amounts and the shortening amounts of the piston rods of the two hydraulic cylinders are equal, thus, the fruit box tray is always horizontal, and movement of fruit boxes and injury of fruits due to movement are avoided. The trolley is scientific and reasonable in structure, low in cost and easy to operate.

The invention discloses a traditional Chinese medicine prescription dispensing sequence control system. The system comprises a database module, a data processing module, a code export module and a control module; the database module establishes a traditional Chinese medicine name basic database, classifies traditional Chinese medicines and obtains a plurality of large categories and a plurality of small categories; the data processing module is used to perform statistics on a key medicine and corresponding related medicines of each small category in each large category, and enable each traditional Chinese medicine to correspond to a medicine bucket according to statistics results to form a four leaf clover type bucket spectrum map; when matching is performed, exchange is needed if a taboo requirement exists; the code export module is used to determine positions of each traditional Chinese medicine and the corresponding medicine bucket by utilizing codes and export the codes after ordering; and the control module is used to receive a doctor's prescription and reaarange a sequence of the prescription according to a traditional Chinese medicine code sequence, and then a medicine taking person takes medicines according to the traditional Chinese medicine code sequence shown on a medicine taking prescription. The system considers a recipe path at the same time, and double channels capable of keeping unblocked and shortening a distance are established; and the generated traditional Chinese medicine bucket spectrum considers placement of special medicines, also integrates arrangement rules of contraindicated medicines, similar-shape medicines and the like into computer arrangement, and is scientific and convenient.

The invention relates to a simplified coprinus comatus cultivation method which includes the steps of horizontally digging long-strip-shaped soil holes at the position, where the vertical thickness is 4 m-6 m, of the surface of clay geology with gullies, wherein the lengths of the soil holes are 80 m-100 m, the widths of the soil holes are 2.2 m-2.4 m, the heights of the soil holes are 1.6 m-1.8 m, and the tops of the soil holes are in arc shapes; conducting culture selection; conducting earthing processing; conducting soil hole pre-processing; making fungus bags; conducting coprinus comatus fruiting management; conducting normal operation during coprinus comatus harvesting; removing abandoned cultivation materials and sundries after coprinus comatus fruiting is finished; conveying the abandoned cultivation materials and sundries out of the soil holes; cleaning the soil holes, and conducting disinfection to kill insects; conducting aeration-drying on the soil holes. By means of the simplified coprinus comatus cultivation method, the long-strip-shaped soil holes serve as fungus running and coprinus comatus fruiting sites of coprinus comatus and have the heat and moisture preservation effects, cooling and heating devices for cooling and heating are not required, the soil holes can be used for many years after being dug at a time, resources are sufficiently used, simplified production is achieved, the economic cost is greatly saved, the temperature is constant, the humidity is moderate, ventilation is smooth, and the occurrence probability of the black spot and black head diseases of the coprinus comatus is reduced.

The invention relates to an electronic device which comprises a machine body, a touchpad arranged on the machine body, and a shielding piece movably connected with the machine body, and the shieldingpiece can move relative to the machine body between a position of the touchpad which exposes out of the surface of the machine body and a position of the touchpad which is shielded by the shielding piece. The touchpad in the electronic device has longer service life.

The invention relates to punching forming equipment, in particular to wood block punching forming equipment for building materials. The technical problem to be solved is to provide the wood block punching forming equipment for building materials, it can be guaranteed that the lengths and the angles of punched holes of all wood blocks are the same, meanwhile, the punched wood blocks can slide to designated positions to be stored at intervals, workers can be assisted in pushing the wood blocks towards one side, and the use safety of the whole equipment is improved. According to the technical scheme, the wood block punching forming equipment for building materials comprises a bottom plate, a punching mechanism and a punching mechanism, wherein a pressing mechanism is arranged on one side of the top of the bottom plate; and the punching mechanism is arranged on the pressing mechanism in a sliding manner. According to the wood block punching forming equipment for building materials, the pressing mechanism is arranged, the pressing mechanism is matched with the punching mechanism, punching work can be conducted on the wood blocks, and meanwhile the pressing mechanism and a discharging mechanism can carry the punched wood blocks to the designated positions to be stored.

The invention discloses an oil volatility measurement device. The device comprises an air supply mechanism, an air speed monitoring mechanism, a constant temperature mechanism, a temperature monitoring mechanism, a controller, a sheet-shaped carrier coated with oil to be measured and a force sensor which are all arranged in a closed box body, wherein the air speed monitoring mechanism is used for obtaining an air speed signal above the sheet-shaped carrier in the closed box body and sending to the controller; the constant temperature mechanism is used for changing the temperature magnitude near to the sheet-shaped carrier in the closed box body; the temperature monitoring mechanism is used for detecting a temperature signal near to the sheet-shaped carrier in the closed box body; the controller is used for sending an air speed control instruction to the air supply mechanism and sending a temperature control instruction to the constant temperature mechanism; after receiving the temperature control instruction, the constant temperature mechanism controls the temperature near to the sheet-shaped carrier in the closed box body at a predetermined temperature value; and after receiving the air speed control instruction, the air supply mechanism controls air speed above the sheet-shaped carrier in the closed box body at a predetermined air speed value. The device is easy to operate and has low error.

The invention discloses an automatic packing machine which comprises a rack, a base and a rotation driving mechanism, wherein the rotation driving mechanism is positioned on the rack; a rectangular mounting frame is fixedly arranged on the front side of the rack; the height of the mounting frame is larger than the height of the rack; a baffle plate is fixedly arranged on the right edge of the mounting frame; the base is arranged on the front side of the bottom of the mounting frame; a micro switch protruding from the upper surface of the base is arranged on the base; a first slide rail in the horizontal direction is arranged on the front side surface of each of the upper edge and the lower edge of the mounting frame; a first sliding block is connected on each first slide rail in a sliding manner; the two first sliding blocks are correspondingly arranged up and down; second slide rails are fixedly arranged between the two first sliding blocks; and a second sliding block is arranged on the second slide rails in a sliding manner. According to the automatic packing machine, the structure is simple, the operation is convenient, the automation degree is high, the practicability is high, and the popularization is easy.

The invention relates to a method for preventing a basement bottom plate from leaking, in particular to a method for preventing a basement bottom plate post-cast strip from leaking. The method comprises the steps that construction joints on the two sides of the basement bottom plate post-cast strip are cleared up and washed out, and no impurities such as mud blocks and garbage exist; professional waterproof construction persons are arranged to block found water seepage points; according to the floor thickness, a PVC tube with the matched diameter is selected for serving as a drainage tube; a PVC semicircular tube is laid along the post-cast strip and the concrete joints on the two sides in an opening-downward manner, the end of the drainage tube is led to a drainage ditch or a water collection well, the other side of the drainage tube is blocked by waterproof concrete, and the two sides of the drainage tube are firmly fixed through waterproof mortar or fine aggregate concrete, and are prevented from deviating or being damaged; and a basement floor is cast. According to the method, the phenomena that seepage points are found secondarily, and the specific seepage portion is hard to find are overcome; and processing is convenient, the time is saved, the cost is low, and adverse effects are avoided.

The invention relates to a height regulating device and a regulating device used for radar pedestal leveling. The height regulating device comprises a horizontal moving device which can move in a horizontal direction, and a vertical moving device, wherein the upper surface of the horizontal moving device is a first compression joint surface which is an inclined surface; the vertical moving device is arranged on the upper surface of the horizontal moving device; a surface, which is in contact with the horizontal moving device, on the vertical moving device is a second compression joint surface which is an inclined surface; the second compression joint surface is mutually adaptive to and is mutually in compression joint with the first compression joint surface; the vertical moving device can move in a vertical direction; and while moving in the horizontal direction, the first compression joint surface pushes the second compression joint surface to move in a vertical direction. According to the height regulating device, the vertical moving device is pushed by virtue of the inclined surface which horizontally moves, so that a height regulating process is simple and convenient.

The invention relates to a mixing, forming and instrument cleaning integrated device for a cement mortar test piece. The device comprises a rack and a vibration device for mounting a forming mold, wherein a motor is mounted on the rack through a lifting device, the motor is connected with a stirring device through a steering drive mechanism, a plurality of cleaning ports are also formed in the stirring device and connected with a water supply device, and the cleaning ports and the water supply device constitute a cleaning device; the lower end of the stirring device can extend into a mixing pot, and the mixing port is mounted on the rack through a horizontal sliding device; a charging port is formed in the bottom of the mixing pot, and the mixing pot can be moved above the forming mold. The mixing pot can be taken down horizontally, and the condition that cement mortar flows out due to oblique taking out of the mixing pot can be avoided. The device integrates test room cement mortar mixing, test piece forming and instrument cleaning, the test time can be saved, waste of cement mortar mix and evaporation of moisture can be reduced, and the accuracy of test results can be guaranteed.

The invention discloses a novel multifunctional diagnosis and treatment device for the obstetrics and gynecology department. The novel multifunctional diagnosis and treatment device comprises a backrest, a seat, armrests, a weight measuring device, a blood pressure measuring device, a heart rate measuring device, a sensor, castors and the like; the novel multifunctional diagnosis and treatment device is characterized in that the weight measuring device is mounted on the upper surface of the seat, the armrests are mounted on two sides of the seat, the blood pressure measuring device and the heart rate measuring device are mounted on the armrests on the two sides respectively, the weight measuring device, the blood pressure measuring device and the heart rate measuring device are connected with a computer display system through the sensor, an infusion support is mounted on the armrest on one side, the castors are mounted on the lower side of the seat, a pedal is mounted on the front side of the seat, a pillow is mounted on the backrest, a push handle is mounted at the top of the backrest, and the backrest can be unfolded to form a simple bed with the seat. With the adoption of the novel multifunctional diagnosis and treatment device for the obstetrics and gynecology department, multiple diagnosis and treatment items are checked on one chair in an integrated manner, the device occupies a small area, diagnosis and treatment procedures of a pregnant woman are simplified, back-and-forth movement of the pregnant woman during the physical examination is avoided, the safety and the working efficiency are improved, and the device is suitable for wide popularization and use.

The invention discloses fireproof door plate grinding equipment which comprises a bottom plate, a dust cleaning unit, a frame grinding unit, a lifting unit and a surface grinding unit. Side plates arefixedly installed on the front side and the rear side of the top of the bottom plate, a belt conveyor is arranged on the top of the bottom plate, and a displayer is arranged on one side of each sideplate; the dust cleaning unit is arranged between the convex blocks on the two sides of the side plates; and the frame grinding unit comprises a first motor, a first belt pulley, a first belt, a second belt pulley, a third belt pulley, a second belt, a rotating shaft and a grinding disc, and the first motor is fixedly installed at the top of a protruding block on one side of each side plate. The fireproof door plate polishing equipment can polish the side edges of the two sides of a door plate, back-and-forth carrying of the door plate is avoided, the polishing efficiency is improved, and meanwhile, dust particles attached to the surfaces of the door plates before and after polishing can be removed.

The invention discloses a total knee replacement operating table which comprises a square table plate. A shell with an upper opening structure is fixedly mounted on the upper portion, close to one endof the square table plate, of the square table plate, two groups of foot fixing units are symmetrically arranged on the side wall, close to one end of the square table plate, of the inside of the shell, two U-shaped grooves are symmetrically formed in the side wall, close to the other end of the square table plate, of the shell, two groups of leg supporting units are symmetrically arranged at thepositions, close to the U-shaped grooves, of the inside of the shell, a through hole is formed in the bottom wall of the shell, and a liquid storage unit is fixedly mounted at the bottom of the square table plate and positioned below the through hole. The operating table is simply and conveniently cleaned and cannot be polluted by liquid generated by total knee replacement operation of a patient,a good position is provided for medical staff when the total knee replacement operation of the patient is implemented, so that the operation is smoothly completed by the medical staff, and the operating table is worthy of popularization.

The invention provides a shock absorption component for packing suction cleaner. The shock absorption component forms a shock absorption projecting and so can preventing the product moving back and forth. The shock absorption component for packing suction cleaner comprises: a bulk which can bundle the suction cleaner bulk and protect the product from outside impact action; a shock absorption protrusion, which forms on one side of the said bulk and can prevent the said cleaner from moving back and forth. The said bulk forms from an upper faceplate, a front faceplate, a profileplane and a rear panel. The said shock absorption protrusion projects out of the said bulk. The said bulk and the said shock absorption protrusion are made in a same working operation simultaneously. You can prevent product from damage and reduce factory cost if use the said construction of shock absorption component for packing suction cleaner.

The invention discloses an auxiliary device for processing of an oblique oil hole, which comprises an on-line supporting frame, drilling tool supporting sleeves, drilling tools, returning springs and a drilling pressing arm. The drilling tool supporting sleeves are slantingly and fixedly arranged on the on-line supporting frame; the on-line supporting frame is provided with through holes; the through holes are communicated with the insides of the drilling tool supporting sleeves; the drilling tools are arranged in the drilling tool supporting sleeves in a sliding manner; the returning springs connected between the drilling tools and the drilling tool supporting sleeves; a linkage mechanism is arranged between the drilling tools and the drilling pressing arm; the drilling pressing arm is rotationally connected with the on-line supporting frame by a rotating shaft; and the on-line supporting frame is also provided with a workpiece clamping mechanism. The auxiliary device for processing of the oblique oil hole is low in cost, has a simple structure, occupies a small space, is easy to load on line, can be integrated into an existing production line to carry out online drilling processing on an engine cylinder head, avoids a product being moved around, reduces twists and turns and enables drilling processing to be efficient and labor-saving.

The invention discloses a garment printing machine. The machine comprises a printing device, a heating device, a first roller, a first supporting frame, a cloth outlet frame, a cloth winding device, asecond supporting frame, universal wheels, a conveying device, cooling holes, a circular draught fan, an upper and lower air pipe air door adjuster, an air inlet door, a control box, a connecting plate, a first supporting base, an operation panel, a second roller, a third supporting frame, a second supporting base, a monitor, a third roller, a conveying belt, an adjusting valve and a fabric widthadjusting system; one end of the printing device is fixedly connected with the heating device, the fabric width adjusting system is arranged on the heating device, the adjusting valve is arranged onthe printing device, and the heating device is fixedly connected with the first supporting frame. The machine has the beneficial effects that manpower is saved, the automation degree is high, dyed cloth is prevented from fading, the quality of the dyed cloth is good, the service life is long, use is convenient, the use method is simple and convenient, and operation is convenient.

The invention relates to a drying machine, in particular to a yarn drying machine for textile machining. The yarn drying machine for textile machining can rapidly dry yarn and facilitate yarn combing.The yarn drying machine for textile machining comprises a table plate, table legs, a large net plate, a box body, small net plates, a shell, a heating wire, a first supporting rod, a motor and the like, the table legs are arranged on the front, back, left and right sides of the bottom of the table plate, the large net plate is embedded in the table plate, the box body is arranged on the top of the table plate, the box body makes contact with the top of the table plate, and the small net plates are embedded on the left side and the right side of the top of the box body. The heating wire is arranged, the heating wire is heated to rapidly evaporate water on yarn, rapid yarn drying is achieved, a vertical rod and a small clamping rod are arranged, the small clamping rod makes contact with anelastic plate, the small clamping rod clamps yarn, and the yarn is prevented from falling off downwards.

The invention discloses a dry-wet mixed granulation unit and belongs to the field of pharmaceutical equipment. The dry-wet mixed granulation unit comprises a wet granulator (1) and a granulation machine (2). The dry-wet mixed granulation unit is characterized in that the wet granulator (1) is fixedly arranged at the upper end of a base (3); an elevating device is arranged close to the base (3); a work platform (4) with a staircase (16) is respectively installed at the right side of the elevating device and the wet granulator (1) in a supporting way; an agitating funnel (6) is suspended and arranged below a discharge hole (5) in the left side of the wet granulator (1); and the granulation machine (2) is suspended at an outlet at the lower end of the agitating funnel (6), and a movable boiling drying pan (7) is arranged in a lower space of the granulation machine (2). The dry-wet mixed granulation unit is relatively high in automatic degree; the labor intensity can be reduced; the time and the labor can be saved; the work efficiency is greatly improved; the work environment can be improved, and the physical health of a worker is facilitated to be protected.

The invention discloses a mixing and self-cleaning device for mixing a cement concrete and forming a test piece. The mixing and self-cleaning device for mixing the cement concrete and forming the testpiece comprises a mixing device, a lifting device, a vibrating device and an electronic platform scale, wherein a feed inlet is formed in the top part of the mixing device; a discharge hole is formedin the bottom part of the mixing device; the lifting device is arranged on the discharge hole of the mixing device; a mould and the electronic platform scale are arranged on the top part of the lifting device; a shovel plate is arranged at the free end of a stirring blade and contacts the inner wall of a mixing cylinder; and a cleaning nozzle is arranged on the top part of the mixing cylinder andcommunicates with a water tank through a water passing pipeline. The shovel plate contacts the inner wall of the mixing cylinder, so that the cement concrete on the inner wall of the stirring cylinder can be shoveled so as to be uniformly mixed, and the instrument can be conveniently cleaned; through additionally arranging a cleaning device, the automatic cleaning work of a mixer can be realized,so that not only can manpower be saved maximally, but also the test time can be effectively saved; and through arranging the electronic platform scale on an operating floor, the quality of the cementconcrete test piece can be controlled through weighing, and the standardness of the test piece is further controlled.

The invention relates to a functional trachea cannula. The functional trachea cannula comprises a trachea cannula body, and further comprises a fixing sleeve, a connecting assembly, a fastening assembly, a slide rail assembly, a tooth cushion assembly and a limiting assembly, wherein the fixing sleeve sleeves the trachea cannula body, and is composed of a first arched structure and a second archedstructure which define a through hole structure allowing the trachea cannula body to penetrate through; the connecting assembly is used for connecting the first arched structure with the second arched structure; the fastening assembly is used for fastening the fixing sleeve on the trachea cannula body or loosening the fixing sleeve from the trachea cannula body; the slide rail assembly is used for sliding the fixing sleeve along the trachea cannula body back and forth and limiting the fixing sleeve; the tooth cushion assembly is arranged on the fixing sleeve and is used for teeth holding-on;the limiting assembly is arranged on the fixing sleeve and is used for preventing the fixing sleeve from moving to the inner portion of the oral cavity. The functional trachea cannula provides convenience for adjusting the fixing sleeve to an appropriate position to fix the trachea cannula body.

The invention discloses a mushroom culturing rack comprising a transverse rod. Under two sides of the transverse rod are respectively provided with a left stand and a right stand; a clamping block is arranged on the external surface of the transverse rod; the lower surface of the transverse rod are alternatively provided with LED warm white bulbs and LED true white light bars; a waterproof lamp cover covers the LED warm white bulbs and LED true white light bars; light transmission holes are evenly arranged on the waterproof lamp cover at intervals; mushroom culturing grooves are formed in the middles of the left stand and the right stand; two ends of each mushroom culturing groove are provided with culturing groove clamping shafts; sliding necks are arranged on the left stand and the right stand; the mushroom culturing grooves are slideably embedded into the sliding necks via the culturing groove clamping shafts; positioning rings are disposed in the sliding necks; a separation layer is disposed in each mushroom culturing groove; and under and below the separation layer are respectively provided a nutrient matrix layer and a strain matrix layer. The mushroom culturing rack is simply structured, can reduce work load of workers and improve picking efficiency.