353results about How to "Structural Design Science" patented technology

The invention relates to a mouse killing tool and in particular relates to a mousetrap with a continuous mousing capability. The mousetrap is structurally characterized by consisting of a mouse storage bin and a mouse guiding-in channel, wherein the mouse storage bin and the mouse guiding-in channel are fixed by buckles in the connection process to form a whole body and are very easy to connect and disconnect; and a seesaw is arranged in the mouse guiding-in channel, wherein the specific gravity of the seesaw is large in front part and small in rear part, a natural state of the seesaw is in a mode that the front part of the seesaw is bent over and the rear part of the seesaw is lift, which can ensure that two sides of the mouse guiding-in channel are completely isolated by virtue of the natural state. A functional principle of the mousetrap for mousing is as follows: when a mouse enters the mouse guiding-in channel and passes through the seesaw, the natural state of the seesaw changes caused by the mouse weight and is changed into a mode that the front part of the seesaw is lift and the rear part of the seesaw is bent over, the mouse drops to the other side of the mouse guiding-in channel, and then the seesaw automatically returns to the original state, namely the front part of the seesaw is bent over and the rear part of the seesaw is lift, therefore, the retreat route of the mouse is automatically cut off and the mouse is further confined in the mouse storage bin to achieve the purpose of catching the mouse.

The invention discloses a novel wheel-track composite variable structure wheel which comprises a driving shaft (1), a telescopic deformation mechanism (2), a gear transmission mechanism (3) and a rubber track (4). The telescopic deformation mechanism and the gear transmission mechanism are installed on the driving shaft; the driving shaft is used for transmitting power input by an external vehicleengine and driving the whole wheel-track composite variable structure wheel body to rotate; the gear transmission mechanism comprises two planet-like gear sets which are installed on a front side anda rear side of the wheel-track composite variable structure wheel body respectively; and the rubber track is tightly hooped on the outer side of the wheel-track composite variable structure wheel body and is used for driving after deformation switching between a wheel type state and a track type state. In the invention, mutual conversion of wheel shapes in circles and approximate triangles duringadvancing can be realized so that a mobile chassis has characteristics of quickness, flexibility, high environmental adaptability, high maneuverability and the like when operating in unstructured complex environments such as unpaved road surfaces, disaster relief and the like.

The invention discloses an air cooling condenser high-pressure door type or cantilever type track automatic cleaning device, comprising a high-pressure water jet cleaning device and a support on whicha cleaning device assembly is arranged; the support has a door type structure and consists of two upright posts which are vertically arranged and a beam which is horizontally arranged; the cleaning device assembly is glidingly connected with the beam of the support; and the high-pressure water jet cleaning device is connected with the cleaning device assembly by a high-pressure water pipe. The invention uses an air cooling radiation triangle of a door / console through type cleaning air cooling island, and the mode is convenient and quick compared with the prior cleaning modes; in the invention, one radiation surface can be cleaned only by one stroke, and the total design is compact and scientific; compared with the prior two cleaning modes, the cleaning time is shortened by more than half,and the cleaning efficiency is improved by 2-3 times; the cleanliness rate reaches 100%, which is incomparable to the prior modes.

The invention discloses a gynecology administration device. The gynecology administration device comprises a drug pushing tube, an outer sleeve and a drug distributing tube, wherein the drug pushing tube is provided with a drug inlet and outlet hole in the front end face, and a first O-type ring is fixed to the outer side wall of the front end of the drug pushing tube; the outer sleeve is arranged outside the drug pushing tube in a sleeving mode, and a second O-type ring is fixed to the inner side of the front end of the outer sleeve; the drug distributing tube is arranged outside the drug pushing tube in a sleeving mode, the rear end of the drug distributing tube is connected with the outer sleeve in a sealed mode, administration holes are formed in the bottom and the side wall of the drug distributing tube, a communicating groove is formed in the inner tube wall of the drug distributing tube, and when the front end of the drug pushing tube abuts against a limiting protrusion, interlayer spaces before and after the first O-type ring are communicated. The administration device discharges a drug through the multiple holes, administrates the drug evenly, is large in acting surface, prevents the drug from accumulating locally, and ensures that the drug fast takes effect on the focus portion in time, and therefore the use efficiency and the treatment effect of the drug are improved; the drug distributing tube is disposable, so that the gynecology administration device is safe and sanitary, the drug pushing tube and the outer sleeve are convenient to clean and can be recycled, and therefore the cost of treating gynecological disease is reduced; excessive drug residue can be avoided, drug waste is reduced, and the gynecology administration device can be operated coherently, smoothly and easily.

The invention relates to a multi-functional multi-channel pyroelectric infrared detector used for gas analysis and fire detection, comprising a detector shell, a filter inlaid on the top surface of the shell, a pyroelectric film arranged on the side wall of the shell, a support used for supporting the pyroelectric film, a detector base forming a closed space with the shell, a circuit board arranged on the base, a platinum wire connected with the pyroelectric film and the circuit board, a curved reflective mirror positioned on the circuit board and a pin inlaid under the circuit board. The multi-channel pyroelectric infrared detector has the advantages of scientific structural design, wide application range, standard packaging, stable performance, high detectivity and high integration degree.

The invention relates to an external circulation animal cell culture bioreactor which comprises a tank body, an external circulation pipeline, a heater, a peristaltic pump and a control system, wherein the tank body comprises a large tank and a small tank; the small tank is sheathed in the large tank and is clamped and fixed with the large tank respectively through ducts D, A and G; the external circulation pipeline comprises a tank external circulation pipeline and ducts A, B, E and D; on the upper part of the outside of the tank body, the ducts A and B are connected with the tank external circulation pipeline through a tee joint; on the lower part of the outside of the tank body, the ducts E and D are connected with the tank external circulation pipeline through a tee joint; the tank external circulation pipeline penetrates through the peristaltic pump; and the lowest position of the duct D is connected with a drainage pipe. The invention fully displays the characteristics of the animal cell large-scale culture technique, has the characteristics of thorough sterilization, simple operation, low pollution rate of cell culture, good quality and high yield, has favorable functionality and economical efficiency, and can be widely used for animal cell microcarrier suspension culture and animal cell suspension culture.

The invention relates to a component for an agricultural seeding machine, in particular to an air-aspiration type precise seed taking device which can be used for a precise seeding machine. The air-aspiration type precise seed taking device mainly comprises a negative pressure cavity (1), a seed sucking disc (3) and an installation shaft (4), wherein the seed sucking disc (3) is fixedly connected to the end part of the negative pressure cavity (1); the installation shaft (4) is connected with the negative pressure cavity (1) through a bearing (6); an air stopping block is arranged in the negative pressure cavity (1); the air stopping block is connected with the installation shaft (4) and is in sliding or rolling fit with the seed sucking disc (3); and the contact area between the air stopping block and the seed sucking disc at least covers one seed sucking hole (2). The invention has the advantages that: the overall structural design is scientific, the transmission is stable, and the rotation of the negative pressure cavity is combined with the air stopping of a sliding block to realize precise seeding; the air tightness of the negative pressure cavity is good, thus the negative pressure is more stabilized, the seed taking rate is improved, and the hole rate is reduced; the service life of the seed sucking disc is prolonged, and the power consumption is reduced; and the negative pressure seal is airtight and reliable, and the service performance is stable, thus the precise seed taking quality and stability are further improved.

Aiming at the problem of environmental pollution caused by a great quantity of waste water and waste residue generated in the conventional marble plank production, the invention provides a production line for preparing lime with marble thick liquid and powder. The production line comprises devices such as a filter press, a feeder, a roasting furnace, a high-position storage bin, a water spraying dust chamber, a cyclone separator and a cloth bag dust remover, and the devices form a material preparation system, a calcination system, and an environment-friendly system. According to the invention, in the production process, no waste residue is discharged and waste water is totally reused; waste gas is subjected to water spraying dedusting, so as to cause no pollution; suspended particles are processed by the cyclone separator and the cloth bag dust remover, so as to cause no environmental pollution; the quality of obtained flocculation powder granular lime products is higher than the national standard.

The invention relates to the field of network application transmission, in particular to equipment for automatically recording and transmitting videos when a hotel cleans and cleans a room and a usingmethod thereof. The equipment comprises an audio module, a video recording module, a data storage module, a data transmission module, a main control processing module, a function key module, a display touch module, a power supply module and a connection bus, the equipment for automatically recording and transmitting the video can carry out power supply operation through the power supply module ofthe equipment; an external power supply is not needed; the influence on the device during power failure is avoided; secondly, the automatic video recording and transmitting equipment can instantly transmit monitoring data to a hotel background cloud for storage through a data transmission module in the video recording process; according to the invention, check-in personnel and background personnel can check at any time, and the system can be brought into a room through the check-in personnel or the cleaning personnel, thereby carrying out the complete monitoring of the specific operation flowof the cleaning personnel.

The invention discloses a mobile phone protection shell and a mould thereof, and relates to an injection molding product and an injection mould for producing the product. According to the mobile phone protection shell, the left and right side edges of a strip-shaped bottom plate are respectively provided with left and right vertical walls extending upwards; the front and rear side edges of the bottom plate are respectively provided with front and rear convex arrises which are slightly raised upwards; the rear ends of the left and right vertical walls are respectively bent inwards to form left and right rear check blocks which are respectively connected with two ends of the rear convex arris, and the front ends of the left and right vertical walls are respectively bent inwards to form left and right front check blocks which are respectively connected with two ends of the front convex arris; the tops of the left and right vertical walls are respectively turned inwards to form left and right clamping strips which can be connected with a mobile phone in a clamping way; mould splitting trace lines for opening the mould of the mobile phone protection shell are hidden on the inner sides or roots of the left and right clamping strips. The mobile phone protection shell can limit the mobile phone from falling off from the opening surface of the protection shell, and is attractive in appearance as the mould splitting trace lines for opening the mould cannot be seen on the outer surface.

The invention relates to a device for cutting and processing sectional bars, such as pipes, and the like, in particular to a high-efficiency multi-use pipe cutting machine which continuously and automatically cuts off the sectional bars such as the pipes by utilizing a cam device and a lever principle. The high-efficiency multi-use pipe cutting machine comprises a base frame, a speed reducing motor, a speed regulator, a cam, a motor, a shaft shaking system and a main shaft device. A press wheel on the main shaft device is rolled by the cam, the deadweight at one end of the motor is utilized, and a lever structure which is formed by the shaft shaking system, the main shaft device and the motor is adopted so as to ensure that the main shaft device moves up and down to achieve the aim of automatically cutting a cutting piece up and down .

The invention provides a gun insertion type stopper rod device and a method using the same for absorbing inclusions at a gate. The device mainly comprises an absorption gun, a hollow stopper rod, a hot argon blowing device, horizontal clamps and a vertical lifting frame, the absorption gun is of a hollow bamboo-shaped structure and inserted into the hollow stopper rod of a long cylindrical structure, the upper end of the hollow stopper rod is fixed by the corresponding horizontal clamp, one end of the hot argon blowing device is connected on an external hot argon pipeline while the other end of the hot argon blowing device is inserted into a hollow pipe at the top of the hollow stopper rod, one end of the stopper rod horizontal clamp is connected with the vertical lifting frame while the other end thereof is mutually clamped with the hollow stopper rod, and one end of the absorption gun horizontal clamp is connected with the vertical lifting frame while the other end thereof is mutually clamped with the absorption gun. The method using the device for absorbing the inclusions at the gate includes the steps of gun insertion, argon sealing, gun descending, absorption and gun replacement. The device is scientific in structural design, part of time for gate changing is saved, smooth pouring of continuous casting is benefitted by using the device for absorbing sundries, molten steel cleanliness is improved, and gate nodulation probability is decreased.

The invention relates to a cambering printing machine, in particular to a high-speed cambering printing machine which can automatically proof the version. The invention solves the problem that the existing cambering printing machine, more particularly, the high-speed cambering printing machine can not implement the automatic match of color and proofreading of the version. The high-speed cambering printing machine which can carry out the automatic proofreading of the version additionally adds a longitudinal and transverse alignment driving device and a control device for the alignment driving device in a printing roller assembly on the base of the existing cambering printing machine. The longitudinal and transverse alignment drive device comprises a core shaft pin or an internal shaft pin, a thread adjusting package, a worm wheel, a worm, and a stepping motor; the control device for the alignment driving device comprises a rotary photoelectric encoder, a CCD camera, a PC and a PLC controller. The high-speed cambering printing machine which can implement the automatic proofreading of the version has the function of automatic match of color and proofreading of the version with scientific and reasonable structural design, filling up the vacancy of the non-automatic cambering printing machine.

The invention discloses a backing plate under anchorage for a post-tensioning method. The middle of the backing plate under anchorage is provided with a center hole, and an installation fixing hole, a mudjacking hole and an overflow hole are also arranged in the backing plate under anchorage, wherein the distance between the overflow hole and the axis of center hole is less than the radius of a steel strand perforation of a template. By arranging the overflow hole in the backing plate under anchorage, the invention realizes that the vibration compactness of concrete can be judged according to whether concrete grout flows out of the overflow hole after injecting the concrete into a mold cavity at a prestress tensioned hole and vibrating the concrete with a vibrator. If no concrete grout flows out, the result indicates that the concrete is incompact and needs to be further vibrated; and if the concrete grout flows out, the result indicates that the concrete is compact. The backing plate under anchorage is more scientific in structural design, completely avoids the formation of holes behind the backing plate under anchorage, simultaneously prevents the backing plate under anchorage from being broken by pressure in the prestress tensioning process, improves both the quality and the safety of concrete members, and eliminates bubbles on the concrete surface so as to further improve the surface finish after concrete demolding.

The invention relates to the technical field of automatic equipment, in particular to a tray carrier module of a smart tray sorting machine. The lower end of a synchronous mechanism is provided with aguiding wheel, a walking wheel, and a movable swing arm, wherein a limiting block used for restricting the movable swing arm is arranged on the lower end of the synchronous mechanism; a locking blockis arranged on one end of the movable swing arm and is fitly locked with a locking wheel; and a safety shield is arranged at the upper end of the synchronization mechanism. The structure design of the smart tray sorting machine tray carrier module is scientific; the smart tray sorting machine can meet the requirements for high-efficiency sorting and delivery of multiple industries; the smart traysorting machine is controlled by connecting to the WCS (warehouse control system) of an entire logistics system; the items to be sorted can be automatically imported by a conveying device or manuallyimported into the sorting machine by the operator; and then the sorting machine performs sorting control by controlling software, and the items are sorted to a preset outlet and enter a correspondingtransporting container through free fall or sliding in a chute. The smart tray high-speed sorting machine has a capacity of sorting approximately 5,000 to 30,000 pieces per hour, and meanwhile, the optimized module for easy installation or maintenance is designed, so that the equipment cost is reduced, the usage and operation are convenient, and the maintenance and repair are easy.

A high-sensitivity multi-parameter explosion-proof type infrared gas sensor is disclosed. The gas sensor comprises an optical structure and an explosion-proof structure. The optical structure includes an optical cavity. An optical channel is disposed in the optical cavity, and is a light path having a shape as a Chinese character 'you', wherein two long edges pass through the center of circle. The light path having a shape as the Chinese character 'you' is designed, reflection is performed twice, and an incident detector angle is zero, thus guaranteeing the properties of the detector furthest, and reducing influences of temperature changes on center absorption wavelength and on detectivity. A temperature and humidity measuring device is added, and therefore the integration level of the sensor is increased on the one hand, and accurate information of temperature and humidity provides data guarantee for temperature and humidity compensation on the other hand.

The invention belongs to the technical field of quenching and cooling, and relates to a quenching and cooling device. The quenching and cooling device includes a quenching tank, a quenching bench, a quenching bench lifting system, a medium circulating system, a medium outlet system, a medium blowdown system, a cooling zone carrier roller, a power motor, a leading screw, a nut, a guiding sleeve, a guide rail, a circulating pump, a variable frequency motor, a liquid suction pipeline, a liquid suction port, a liquid discharging pipeline, an electronic flow meter, a cooler, an electric regulating valve, a flow controller, a medium outlet, a flow guiding plate, blades, a coaming plate, a fan and a fan cover, and the quenching bench lifting system includes the power motor, the leading screw, the quenching bench, a guide sleeve and the guide rail. The quenching and cooling device has the advantages of high automation degree, fast cooling speed, controllable cooling process, controllable flow, pressure and flowing direction of a cooling medium, uniform cooling, improvement of the product heat treatment quality, reduction of the loss of the cooling medium, reduction of the cleaning workload, increase of the working efficiency, ingenious and reasonable design of the overall structure, scientific principle, convenience in operation, convenience in use, good safety and reliability, and friendliness to application environment.

The invention relates to the technical field of battery manufacturing machinery, in particular to a full-automatic die-cutting feeding, material-receiving and discharging mechanism for a lithium battery pole piece. The full-automatic die-cutting feeding, material-receiving and discharging mechanism comprises a frame, a feeding mechanism, a discharging mechanism, a material-receiving mechanism, a discharging wheel and a material-receiving wheel, wherein the discharging wheel, the discharging mechanism, the feeding mechanism, the material-receiving mechanism and the material-receiving wheel are arranged on the frame in sequence from one end to the other end; the discharging wheel and the material-receiving wheel are respectively fixed on a sliding plate and are in sliding connection with the frame; a support base is fixedly connected with one side of the material-receiving wheel; the support base and the discharging mechanism are respectively provided with a detecting head; correcting devices are respectively arranged at lower ends of the discharging wheel and the material-receiving wheel; and the discharging mechanism and the material-receiving mechanism are respectively connected with a servo motor through a synchronous belt. The full-automatic die-cutting feeding, material-receiving and discharging mechanism has a scientific structure design. The servo motor is used for supplying power and the synchronous belt and synchronous wheels are used for delivering power, thereby increasing the material conveying speed and ensuring the smooth material feeding in a high-frequency start-stop and material feed process.

The invention discloses a vacuumization air exhausting device. The vacuumization air exhausting device comprises a high-vacuum multi-layer heat insulating container, a rough vacuumizing unit, a fine vacuumizing unit, an electric control system and a heating device. The rough vacuumizing unit is connected with the fine vacuumizing unit through a pipeline. The fine vacuumizing unit is communicated with the high-vacuum multi-layer heat insulating container through a main pipeline. The high-vacuum multi-layer heat insulating container is connected with the heating device through a pipeline. The rough vacuumizing unit, the fine vacuumizing unit and the heating device are connected to the ectric control system. The vacuumization air exhausting device is scientific and reasonable in structural design, easy and convenient to operate and capable of effectively removing moisture in a vacuum interlayer and effectively reducing the energy resource consumption.

The invention discloses a round tube chamfering machine. The round tube chamfering machine comprises a round tube storage mechanism, a conveying device and a chamfering mechanism, wherein the round tube storage mechanism comprises round tube storage equipment and a round tube pushing device; the round tube storage equipment comprises a storage space which is provided with a bevel; the bevel is provided with a push groove; the round tube pushing device comprises two pushing air cylinders and round tube pushing plates which are connected to the front ends of the pushing air cylinders. The round tube chamfering machine disclosed by the invention has the beneficial effects of being scientific and reasonable in structural design and beneficial for an enterprise to secondarily machine purchased round tubes into finished products which satisfy the self-demands; the overall equipment is low in manufacturing cost; the equipment purchase cost of the enterprise is effectively saved; reduction of production cost of the product is facilitated.

The invention provides a device capable of replacing a valve under pressure. The device comprises a plugging device, a combining part, a blowout prevention pipe, a hydraulic cylinder, a piston rod and an operating rod. One end of the combining part is detachably connected to the plugging device, and the blowout prevention pipe contains the plugging device and the combining part and is connected with the hydraulic cylinder. The plugging device is mainly composed of a sealing rubber sleeve, a slip bowl seal assembly, a differential pressure type piston and slips, the slips can be automatically unfolded through fluid pressure, and thus safe bowl seal is achieved. One end of the combining part is connected with the hydraulic cylinder through the piston rod and the operating rod which penetrate through the blowout prevention pipe. The invention further provides a method for replacing a valve under pressure with the device capable of replacing a valve under pressure. The device achieves seal, bowl seal, seal removal and internal pressure balance of a tool, the complex functions can be continuously and automatically completed in one travel, and thus the device is easier and more reliable to operate. Uncertainty caused by manual operation is reduced, safety in the construction process is guaranteed, no pollution will be caused to the environment, and construction cost is greatly reduced.

This invention relates to engine, specificly, which is a rotary engine as a whole to resolve the existing unreasonable and complex structure design and low efficiency problem of the rotary engine. The entire rotating engine includes two circular cavity within the cylinder block and cylinder head fixed with before and after lids. The cylinder head and cylinder block in the two circular cavity through the center has a bearing on the support of before and after lids which can rotates at the same time. These two are fixed on a rotating shaft rotary piston round and seal rotating round. Before and after the end surface of cylinder head are equipped with separate exhaust vent, gas mixture into the pores, a fresh gas hole and fresh gas into the hole. At the two ends of rotary piston has former valve gear and after valve gear with stomata above. The whole structure of the rotary engine is scientific-designed and rational. The main part of campaign activities components are one-way rotary movement, no swing, reciprocating movement components. It can be widely applied to cars, motorbikes and other areas of power-needed.

The present invention is to provide an earphone without impulse noise and surrounding blockade consists of an earphone housing having a sound chamber inside thereof and a loudspeaker mounted therein, wherein a plurality of sound outlet meshes is mounted in the front end of the earphone housing, and a proper distance is given between the front end of the earphone housing and the loudspeaker mounted therein, wherein a plurality of sound inlet meshes is mounted on and encircling the earphone housing within the proper distance; and the lower impulse noise output end according to two output ends of the loudspeaker is faced to the sound outlet meshes; via the design. The present invention can prevent not only the impulse noise directly impact to the middle ear but also the damage of the middle ear and the cause of conductive hearing loss.

The invention relates to the field of mechanical manufacturing tool fixtures, in particular to an inner spline part key side positioning spline expansion device and a machining process thereof. The device comprises a flange plate, an axial positioning body, a conical radial positioning body, an O-shaped rubber ring, a key side positioning spline expansion sleeve and a pull rod, wherein the conicalradial positioning body is arranged on the flange plate connected with a machine tool, and is fixedly connected with the flange plate; the axial positioning body is arranged on the flange plate, andis fixedly connected with the flange plate; and a groove is formed in the outer peripheral wall of the key side positioning spline expansion sleeve. The device solves the problems of difficult positioning, need of repeated measurement and machining in the machining process and low efficiency in traditional machining of disc parts with involute spline holes, has the advantages of precise and stablepositioning, firm and efficient expansion, improvement of the machining efficiency and stable part quality, and meets the use demands of users.

The invention discloses a pneumatic self-circulation animal cell culture bioreactor and an application method thereof. The bioreactor is characterized by comprising a large tank, a small tank located in the large tank, a magnetic stirring system located at the bottom of the large tank, a heating system and a controlling system, wherein a sealing cover is arranged at the upper end of the large tank, jackets connected with the heating system are arranged on two sides of the large tank, and a highest liquid level sensor of the large tank is arranged at the upper part in the large tank; and a sealing head is arranged at the upper end of the small tank, an opening is formed in the lower end, the sealing head is fixedly connected in a sealing manner with the sealing cover through a breathing pipe, the upper end of the breathing pipe penetrates out of the sealing cover and is connected with a vacuum air pump and an air pressure pump respectively, the lower end penetrates out of the sealing head and enters the small tank, a cavity used for accommodating a cell carrier is defined by two up-and-down horizontal stainless steel wire mesh boards in the middle of the small tank and the inner wall of the small tank, an upper liquid level sensor of the small tank is arranged above the cavity, and a lower liquid level sensor of the small tank is arranged below the cavity. The pneumatic self-circulation animal cell culture bioreactor has the advantages of good air tightness, simplicity in operation, low contamination rate, good cell quality and high yield.

The invention provides a fixation device and a method for in-situ monitoring of a floating plant root system, which belong to the technical field of plant physiology and ecology. The fixation device comprises a box body, wherein the box body is an opaque hollow column which comprises a top panel, side walls and an opened lower end; the top panel is equipped with at least one root canal hole; and shape and size of the root canal hole are adapted to the shape and the size of a scanner root canal, and the root canal hole is used for insertion of the scanner root canal. The fixation device is used for the in-situ monitoring of the floating plant root system, is simple in structure and convenient in disassembly and assembly, can reduce sampling cost and measurement errors without interfering in normal plant growth or destroying the plant root system, and realizes the automatic, continuous and real-time monitoring of the floating plant root system.

In the invention, a vacuum glass double-tube is formed via an internal and external double-glazing tube in which there is getter to reach and hold the 10 to the minus fifth pa vacuum degree in the tube. The light-focusing board can take the shape of W and is inserted to the cavity in the internal tube of the vacuum glass double-tube. The heating section of the heat tube with the surface coated with selective absorbing coat is set at the focal line of the light-focusing board. A plug is used for encloding the port between the heat tube and the vacuum glass double-tube.

The invention provides a novel key machine. The novel key machine comprises a rotary disc, a vibrating disc, two perforating machines and six clamps, wherein the rotary disc is in transmission connection with a driving device, the vibrating disc is arranged around the rotary disc in a surrounding mode, and the six clamps are in transmission connection with a cylinder. The first clamp is in transmission connection with the vibrating disc. The second clamp is in transmission connection with the first perforating machine. The third clamp is in transmission connection with the second perforating machine. The fourth clamp is in transmission connection with a punch press. The fifth clamp is in transmission connection with a rolling machine. The sixth clamp is in transmission connection with a discharging box. The first clamp is fixedly arranged on the rotary disc and is opposite to the vibrating disc. The second clamp is fixedly arranged on the rotary disc and is opposite to the first perforating machine. The third clamp is fixedly arranged on the rotary disc and is opposite to the second perforating machine. The fourth clamp is fixedly arranged on the rotary disc and is opposite to the punch press. The fifth clamp is fixedly arranged on the rotary disc and is opposite to the rolling machine. The sixth clamp is fixedly arranged on the rotary shaft and is opposite to the discharging box. The novel key machine achieves full-automatic machining of keys, improves labor productivity, saves energy, is environmentally friendly, high in energy efficiency and low in cost, and has broad market economic benefits.

The invention provides a built-in sorbent floating head type adsorbent bed refrigeration unit. The refrigeration unit comprises an adsorbent bed, an insulation connective closed body, a condenser, an adiathermance connective closed body and an evaporator, wherein the adsorbent bed is formed by at least two outer fin tubes; the sorbent is solidified on the inner wall of the outer fin tubes of the adsorbent bed; a mass transfer channel is arranged in the center of the outer fin tubes of the adsorbent bed; the condenser is formed by at least two outer fin tubes; the evaporator is formed by at least one outer fin tube; upper ends of the outer fin tubes of the adsorbent be are closed; lower ends of the outer fin tubes of the adsorbent bed are communicated with the upper end of the insulation connective closed body; the lower end of the insulation connective closed body is communicated with upper ends of the outer fin tubes of the condenser; lower ends of the outer fin tubes of the condenser are communicated with the upper end of the adiathermance connective closed body; the lower end of the adiathermance connective closed body is communicated with the upper end of the outer fin tube of the evaporator; and the lower end of the outer fin tube of the evaporator is closed. The refrigeration unit has scientific structure design, strong capability of adapting to reversed heat stress, does not leak in operation, and has prominent adsorbent refrigeration effect.

The invention discloses a dry-wet stepwise stirring device of feed. The dry-wet stepwise stirring device comprises a supporting and mounting module and a dry-wet stepwise stirring module, wherein the supporting and mounting module comprises a supporting and mounting cylinder; supporting and mounting columns are symmetrically arranged at the left end and the right end of the lower side of the supporting and mounting cylinder and are tilted to the outer side; middle positions of the supporting and mounting columns on the left side and the right side are horizontally connected with a driving and mounting plate; a driving and mounting hood is arranged at the upper end of the supporting and mounting cylinder through connection of cambered-surface mounting rings; a guiding and mounting cylinder is vertically arranged at the upper end of the driving and mounting hood; a diameter-variable stirring cylinder is mounted at the upper end of the guiding and mounting cylinder; a mixing and stirring tank is horizontally mounted at the upper end of the diameter-variable stirring cylinder; the dry-wet stepwise stirring module comprises a dry stirring structure and a wet stirring structure; the dry stirring structure is arranged above the driving and mounting hood. The dry-wet stepwise stirring device of the feed has the advantages of novel structure, scientific structure design, efficient operation, controllable processing amount, stirring uniformity, energy economization and the like.