84results about How to "Quick guide" patented technology

The invention relates to the technical field of batteries, in particular to an energy storage solid-state battery pack utilizing liquid cooling technology, which comprises a battery shell and a battery body, guide matching jacks are respectively formed in four corners of the battery shell, and a positioning matching ring is fixedly arranged on the inner bottom surface of the battery shell; connecting locking holes are symmetrically formed in the two sides of the positioning matching ring, a matching channel is formed in one end of the positioning matching ring, a U-shaped cooling circulating pipe is arranged in the battery shell, and when the battery body is fixed in the battery shell, the main body part of the U-shaped cooling circulating pipe can be in contact with the battery body; meanwhile, when a sealing cover plate is sealed, a U-shaped cooling circulating pipe can be driven to move, so that a heat conducting sheet on a cooling branch pipe is in contact with a battery body, and heat generated by the battery can be guided to the U-shaped cooling circulating pipe more quickly; and the heat dissipation efficiency of the battery body is further improved.

The invention relates to the technical field of fire safety, in particular to a multi-dimensional fire safety management system which comprises an environment monitoring module, a data analysis module, a real-time video monitoring module, an intelligent decision module and a self-adaptive evacuation navigation module. The data analysis module processes and analyzes the collected environmental data, the real-time video monitoring module monitors the internal situation of the building by adopting a high-resolution camera, the intelligent decision-making module generates a fire coping strategy, and the self-adaptive evacuation navigation module dynamically generates and updates a safe evacuation route in the building. The self-adaptive evacuation navigation module is introduced, so that a safe evacuation route in the building can be dynamically generated and updated in real time. The system can adjust the evacuation route according to the current environmental condition by analyzing the fire behavior development and the personnel distribution condition in the building in real time, thereby effectively preventing the personnel from entering a high-risk area by mistake, and ensuring that the personnel can be quickly and orderly guided to a safe area in an emergency.

The invention relates to a hard rock tunneling and supporting miner-bolter, which belongs to the technical field of miner-bolter, and comprises a machine body erected on a crawler belt, the middle part of the machine body is provided with a miner-bolter mechanism for crushing and tunneling hard rock, the machine body is provided with a flow guide mechanism and a conveying belt for discharging broken stones, and the top is provided with a supporting mechanism for providing temporary support; the digging and anchoring mechanism comprises a cap-shaped rotating frame, the levelness is adjusted through a first oil cylinder, the front portion of the rotating frame is connected with a pitching frame, and a second oil cylinder is used for adjusting the pitching angle. A rotating shaft is arranged on the pitching frame, a tunneling head is connected into the rotating shaft, stone jacking hammers are symmetrically arranged on the two sides of the tunneling head, and the supporting mechanism is a rock crushing cone and provided with a rotatable conical protruding part. A gravel separating disc is arranged at the rear part of the rock crushing cone, grinding balls are uniformly distributed on the gravel separating disc, and the gravel separating disc can vertically move for grinding and guiding small gravels; by means of innovative structural design and function integration, various pain points in a traditional bolter miner supporting technology are solved, and the efficiency and safety of hard rock tunnel tunneling and supporting are greatly improved.

According to the scheme, the wire painting equipment comprises a supporting frame and a vertical plate, an impeller is rotationally connected into the vertical plate, an inner gear is installed on the inner side of the impeller, a first gear is rotationally connected into the vertical plate, a brush ring is installed on one side of the first gear, and a cyclone is connected to the supporting frame; an oil flinger is mounted at one end of the cyclone, and a movable vortex sheet is arranged in the inner cylinder; water is matched with bristles to take away dust attached to the enameled wire, air rotatably rises in the inner cylinder, paint mist rotatably impacts the enameled wire, and therefore the enameled wire can be comprehensively varnished, the vortex pieces and the springs can be compressed, the springs can guarantee that certain gaps exist between every two layers of the vortex pieces, and the smaller the gaps between every two layers of the vortex pieces are, the smaller the gaps between every two layers of the vortex pieces are. Under the cooperation of the air guide plate, the blocking force of the air guide plate to rotating air is larger, more paint mist can be quickly guided to an enameled wire, and therefore the paint spraying thickness is increased, and the paint spraying effect is guaranteed.

The invention discloses a conductive glass fiber cloth, which comprises a glass fiber base cloth and a carbonized conductive layer formed on the glass fiber base cloth, and the carbonized conductive layer is obtained by coating conductive ink and calcining, the conductive ink is prepared from the following components in parts by weight: 10 to 30 parts of low-melting-point glass powder, 3 to 5 parts of graphene, 0.5 to 2 parts of single-walled carbon nanotubes, 0.1 to 0.5 part of conductive carbon black, 5 to 10 parts of resin, 0.1 to 0.3 part of dispersing agent, 0.01 to 0.03 part of anti-settling thixotropic agent, 0.01 to 0.05 part of silane coupling agent, 70 to 90 parts of water and 5 to 20 parts of ethanol. The conductive glass fiber cloth is high in sheet resistance stability, good in coating adhesion fastness, excellent in impact resistance and suitable for conductive functionalization of thin glass fiber cloth.

The utility model relates to the technical field of aluminum alloy die castings, in particular to an aluminum alloy die casting machining grooving device which comprises a machine shell, fixing supporting legs are fixedly connected to the four corners of the bottom of the machine shell, a base plate is arranged in an inner cavity of the machine shell, and clamping assemblies are symmetrically arranged on the two sides of the top of the base plate. The top of an inner cavity of the machine shell is provided with a grooving assembly, the two sides of the bottom of the inner cavity of the machine shell are symmetrically and fixedly connected with inclined guide tables, workpieces of different specifications can be fixedly clamped, therefore, the workpieces cannot deviate or fall off in the grooving process of the workpieces, the cooling capacity is achieved, and the service life of the workpieces is prolonged. Due to the fact that the high temperature generated by high-speed cutting can be cooled when a workpiece is slotted, the workpiece and a milling cutter are not prone to being damaged, in addition, dirt generated in the slotting process can be subjected to solid-liquid separation and concentrated collection, and the situation that the machining process and the machining environment are affected due to the existence of the dirt is avoided.

The invention discloses a power electronic transformer working mode recognition method and device, equipment, a medium and a product, and relates to the field of artificial intelligence, and the method comprises the steps: collecting original inductive current data during the operation of a power electronic transformer; performing adaptive segmentation normalization processing on the original inductive current data to generate a normalized inductive current sequence; calculating a wavelet packet energy entropy and a time domain differential entropy of the normalized inductive current sequence, and splicing the wavelet packet energy entropy and the time domain differential entropy into a two-dimensional fusion feature vector; inputting the normalized inductive current sequence and the two-dimensional fusion feature vector into a trained deep learning model to obtain a prediction probability vector; based on the prediction probability vector, the working mode category with the maximum probability value is selected as the recognition result, and the recognition precision of the working modes of the power electronic transformer can be guaranteed under the working conditions of high noise interference or rapid mode switching.

The invention provides a self-service method and system for hotel guest rooms, and is applied to the field of platform data processing. Personalized demand data input by a user is collected and converted into corresponding additional check-in information, it is ensured that personalized demands of the user are accurately recorded and prepared before check-in, meanwhile, the user can visually know how to use self-service of a hotel through self-service prompting and teaching images, and the user experience is improved. According to the self-help teaching system, the trouble caused by unfamiliarity with the environment is reduced, the current position of the user is substituted into the self-help teaching image, and dynamic and situational guide information is provided, so that the user can find the position and operation steps of the required service more easily.

The invention discloses a driving test simulation control interaction method and related equipment. The method comprises the steps that under the condition that driving test simulation is carried out in a closed VR visual environment, the position and posture of the hand of a user are captured in real time, and the user is located in a simulator cabin; mapping the acquired position and posture of the hand to a virtual environment of a VR visual environment, a virtual operation part in the virtual environment being consistent with a physical part for realizing the same function in the simulator cabin in position and proportion; and obtaining the operation of a user on the physical component and / or the virtual operation component so as to perform driving test simulation control in the simulator cabin. The problem that in driving test simulator training, although a VR simulator can really provide higher simulation reality and immersion, students cannot observe the real world when wearing VR glasses can be solved.

This invention relates to the field of lepidolite calcination technology, and particularly to a high-temperature calcination process and apparatus for lepidolite based on tail gas purification. The apparatus includes a calcination kiln body, and a feed hopper and a discharge cylinder rotatably connected to both ends of the kiln body. The kiln body is equipped with a conveying and screening mechanism for graded calcination of lepidolite, and a recovery and purification mechanism for multi-stage treatment of calcination tail gas is located on one side of the kiln body. This invention achieves graded conveying and processing of lepidolite through the counter-rotation of the kiln body and the rotating cylinder, controlling the transit time of lepidolite within the kiln body. This avoids the phenomenon of some lepidolite being discharged too slowly or too quickly, leading to local over-calcination or incomplete calcination. The graded screening calcination process for lepidolite allows small lepidolite particles to be retained by the screening mesh, delaying discharge and extending the calcination interval, creating a difference in calcination time between small and large lepidolite particles. This effectively avoids the problems of over-calcination of small particles and incomplete calcination of large particles.

The present invention relates to a method for determining the amount of non-isobaric air cushion propellant filling in parallel tanks and the satellite mass center, and the steps include: obtaining input parameters through experiments, tests and simulations; carrying out balanced filling to obtain the propellant filling mass, propellant mass center and satellite mass center coordinates of each tank in the launch state during balanced filling; calculating the mass center adjustment capacity during unbalanced filling, and sequentially obtaining the propellant filling mass, propellant mass center and satellite mass center coordinates of each tank when each tank is filled according to the maximum filling mass; calculating the intersection of the engine thrust vector and the XY plane at the satellite mass center; based on the determined propellant filling amount, air cushion pressure and satellite mass center, performing propellant and helium filling and subsequent on-orbit operations. The present invention introduces a satellite mass center relationship diagram, which can vividly display the positional relationship between the satellite mass center and the constraint conditions at different times, which is easy to understand and quickly guide engineering applications.

The present invention discloses a method for establishing a thin plate forming limit diagram model under complex stress state, comprising the following steps: 1) designing and processing a material sample according to the thin plate forming shape; 2) completing the tensile test of the material sample on a tensile testing machine; 3) performing strain calculation on the material sample during the tensile test; 4) establishing a predictive mathematical model for the forming limit diagram of the material sample; 5) calibrating and solving the parameters of the predictive mathematical model; 6) establishing the material forming limit diagram of the material sample. The present invention designs a set of sample shape and size based on the uniaxial tensile machine test, and formulates a set of simple test procedures and data processing methods, so as to establish a method for establishing a thin plate forming limit diagram under complex stress state.

The present invention discloses a comprehensive oxygen socket with a high-sensitivity lung valve mechanism, comprising a seat body, a diaphragm, a rocker arm, a valve rod and a valve seat, wherein a sensing inner cavity, a constant pressure inner cavity, an air inlet, an air outlet and a strip-shaped valve rod mounting hole are arranged in the seat body, the air outlet is connected with the sensing inner cavity through a control airway, the diaphragm is arranged between the sensing inner cavity and the constant pressure inner cavity, the valve rod is arranged in the valve rod mounting hole, the valve seat is installed in the seat body, the first end of the valve rod contacts with a position on the rocker arm close to the first end and forms a transmission contact point, the distance between the second end of the rocker arm and the transmission contact point is at least three times the distance between the pin shaft and the transmission contact point, and a gap is arranged between the second end of the rocker arm and the diaphragm in a normal state. The present invention realizes the purpose of significantly reducing the inhalation resistance, making the inhalation easier, and providing a comfortable oxygen inhalation experience by arranging a rocker arm transmission structure with an efficient lever function.

The present invention provides a rotator cuff repair positioner under shoulder arthroscopy, comprising a flat suture needle guide component and a suture needle positioning component, wherein the suture needle guide component is provided with a plurality of needle entry holes at different angles along its length direction, and the needle entry holes all pass through the center line of the suture needle guide component, and one end of the suture needle guide component is provided with a slot fixed to the suture needle positioning component, and the suture needle positioning component is divided into a vertical part and a horizontal part perpendicular to each other, wherein the vertical part is a handle, and is fixedly connected to the slot of the suture needle guide component, and the free end of the horizontal part is provided with a suture needle positioning hole, and the suture needle is positioned in the suture needle positioning hole after passing through the needle entry hole on the suture needle guide component. The positioner can help the surgical operator establish a reasonable and accurate operation approach, and is more helpful for the operator to accurately and quickly complete the repair and suturing of the rotator cuff tear, thereby obtaining the best surgical effect.

The invention discloses a shared vehicle scheduling method and a server. The scheduling method comprises the following steps: receiving a pre-scheduling request sent by a mobile terminal; enabling an application program of the mobile terminal to display the scheduling task group; receiving a scheduling starting request of the mobile terminal; if the target vehicle is located in the vehicle pulling point, the target vehicle is included in a scheduling task group; if the target vehicle is not located in the vehicle pulling point, sending prompt information that the target vehicle is not located in the vehicle pulling point; receiving a scheduling ending request for the target vehicle; the position of the target vehicle is judged, and if the target vehicle is located in the vehicle delivery point, the scheduling request is completed; and if not, sending prompt information that the target vehicle is not in the vehicle delivery point. After the operation and maintenance personnel open the application program of the mobile terminal, the system automatically creates the scheduling task group and displays the scheduling task group in the electronic map, the operation and maintenance personnel can schedule the shared vehicles according to the vehicle pulling points indicated by the electronic map, the scheduling method is simple and clear, operation is convenient, and the operation and maintenance personnel can be rapidly and effectively guided to schedule the shared vehicles.

The invention discloses an injection molding processing device for producing tiny silicone earplugs, which relates to the technical field of injection molding, and comprises a continuous injection molding mechanism and a switching worm gear installed on the top of the continuous injection molding mechanism, wherein a mixing injection molding mechanism is arranged on one side of the top of the continuous injection molding mechanism, and a lifting motor is arranged on the top of the mixing injection molding mechanism, wherein the continuous injection molding mechanism comprises a switching base, and a switching support is symmetrically installed on one side of the top of the switching base away from the mixing injection molding mechanism, and a switching motor is fixedly installed on one side of the switching support, and a switching worm is fixedly connected to the output end of the switching motor, and by pressing the bottom mold body downward, the bottom mold body drives the extrusion connecting rod and the airbag pressure plate to extrude the recoverable airbag, so that the gas inside the recoverable airbag is ejected through the air guide hose and drives the ejection block to move upward, so that the injection molded product can be ejected from the inside of the bottom mold body, thereby improving the efficiency of rapid demolding of the injection molded product.

A corner forming mechanism of a multi-section square wave forming machine, characterized in that it includes a main expansion head, a template, a guide plate, a template clamping mechanism and a linkage mechanism; the template clamping mechanism and the linkage mechanism are arranged on the top surface of the guide plate; the template clamping mechanism includes a template guide block and a template pressing plate, the template guide block is arranged at the front end of the guide plate, the template pressing plate is arranged above the template guide block, and the template is arranged between the template pressing plate and the template guide block; the linkage mechanism includes a pressing block, a connecting rod, a guide slider, a guide slide rail and a connecting block, the pressing block is arranged on the guide At the rear end of the guide block, a kingpin shaft is arranged in the center of the pressure block, and a clamping plate is arranged at the lower end of the kingpin shaft. The top surface of the clamping plate and the bottom surface of the pressure block clamp and fix the rear end of the template. The guide slide rail is fixed to the rear end of the guide plate, and the guide slider is sleeved outside the guide slide rail and slides along the guide slide rail. The connecting block is arranged at the rear end of the guide slider and abuts against the side wall of the main expansion head. The cross-section of the main expansion head is an inverted trapezoid. The main expansion head is pressed down to push the connecting block to move forward. A connecting rod is arranged between the guide slider and the pressure block. The front end of the connecting rod is fixed to the kingpin shaft, and the rear end of the connecting rod is connected to the guide slider through a rotating pin shaft.

The invention discloses a method and a system for predicting the solid-liquid two-phase distribution capability of petroleum hydrocarbon and derivatives thereof, and relates to the technical field of petroleum hydrocarbon pollution prevention and control. And when the to-be-detected petroleum hydrocarbon pollutants are in the application domain of the quantitative structure-activity relationship regression model of the molecular structures of the petroleum hydrocarbons and the derivatives thereof and the solid-liquid two-phase distribution capability, inputting the molecular structure descriptor matrix of the to-be-detected petroleum hydrocarbon pollutants into the regression model to obtain predicted values of the solid-liquid two-phase distribution capability parameters of the to-be-detected petroleum hydrocarbon pollutants. Compared with the conventional method for measuring the soil adsorption coefficient, the technical scheme for predicting the solid-liquid two-phase distribution capability of the petroleum hydrocarbon and the derivative thereof is simple and convenient to operate, time-saving, low in cost, accurate in prediction and capable of rapidly predicting the solid-liquid two-phase distribution capability of the petroleum hydrocarbon and the derivative thereof. The method can provide an important tool for efficiently and accurately guiding the petroleum hydrocarbon pollution prevention and control in the petroleum and petrochemical industry, and is of great significance for guaranteeing the sustainable development of the petroleum industry.

The invention provides a method for directly amplifying pathogens in a throat swab sample, which comprises the following steps of: preparing a throat swab sample nucleic acid releasing agent from NP-40, Tris-base, EDTA (Ethylene Diamine Tetraacetic Acid), Chelex-100 and KCl, collecting the throat swab sample in normal saline during direct amplification, fully oscillating, taking 1mL of the throat swab sample, centrifuging 12,000 g of the throat swab sample for 10 minutes, discarding supernatant, retaining precipitate, adding 100 microliters of the throat swab sample nucleic acid releasing agent according to claim 1, shaking for 30-60 seconds by hand, and detecting the pathogens in the throat swab sample. And standing for 1-2 minutes to obtain a nucleic acid template for PCR (Polymerase Chain Reaction) detection. The method greatly simplifies the nucleic acid purification process of a clinical sample, greatly shortens the detection time, and has the advantages of low cost and convenience in use.

The invention discloses an intelligent boarding urging processing method, device and system based on multi-algorithm fusion. The method comprises the steps that an airport terminal multi-algorithm fusion people searching service platform is built; the platform is connected with a security and protection system to obtain a video stream; communicating with a departure system to obtain information such as flights and passenger boarding; communicating with a security check information system to obtain passengers and over-check information thereof; and area broadcast can be played through connection with a broadcast system. Video analysis is carried out through various video analysis algorithms (facial features, human body features and spatial positioning) in the video analysis service platform, and the position and track of the passenger are judged; the flight information and the passenger information are combined, a video analysis algorithm result is fed back to an upper-layer application platform, and airport terminal passenger trajectory analysis is completed; through a broadcasting system, accurate and exclusive boarding prompting broadcasting is carried out in the area where the passengers arrive at night. According to the invention, passengers in an airport terminal are searched and positioned through multi-algorithm fusion, and an intelligent system capable of carrying out accurate and exclusive boarding promotion service is provided.

The utility model relates to the technical field of eye hot compress, in particular to an eye hot compress device for the ophthalmology department of a hospital, which comprises a main body mechanism, a heating mechanism and an adjusting mechanism, a bandage and an adjusting bolt are arranged through the adjusting mechanism, the corresponding length can be adjusted according to the head circumference of different patients, and the heating mechanism is located in the main body mechanism. A power source is started through the controller, the heating plate conducts heating operation, heat of the heating plate can be quickly guided to the heat storage bin through the aluminum sheet heat dissipation plate installed on one side of the heating plate, then hot air enters the eye position notches through the vent grooves formed in the isolation plate on one side of the heat storage bin, and therefore the hot compress effect on the eyes of a patient is achieved. Through the design of the eye socket protection gasket on one side of the protection shell, the nose bridge soft cushion at the bottom end and the eye position notches, when a patient uses the device, pressing and covering on the nose bridge, the eye sockets and the eyeballs are avoided, the use experience of the device is greatly improved, meanwhile, the eye burden is reduced, and the eye hot compress effect is improved.

The utility model relates to the technical field of electric meter box installation, and discloses an electric meter box convenient to install, which comprises a box body, one side of the box body is hinged with a box door, the top of the box body is fixedly provided with a long rain baffle, and the outer side of the box body is fixedly provided with an arc rain baffle. A square rain baffle is fixedly installed on the outer side of the box body, an installation assembly is arranged on the side, away from the box door, of the box body and comprises a trapezoidal clamping block, and one end of the trapezoidal clamping block is fixedly installed on the side, away from the box door, of the box body. According to the electric meter box convenient to install, in order to enable the electric meter box to be installed more conveniently, the installation assembly is arranged, a trapezoidal clamping block slides into a sliding rail during installation, after the trapezoidal clamping block reaches a proper position, a baffle is pulled up, the baffle is clamped to the outer side of the trapezoidal clamping block, and therefore the trapezoidal sliding block pops up and is clamped into a clamping groove in the sliding rail to be fixed; therefore, traditional fixation formed by nails or bolts is abandoned, and more convenience and firmness are achieved.

The anti-corrosion graphene grounding electrode comprises an electrode assembly and a moisturizing assembly, the electrode assembly comprises an upper connector lug, a graphene conductive bundle, an outer sleeve, a water accumulation hole and an electrode block, the bottom of the upper connector lug is fixedly connected with the graphene conductive bundle, the outer sleeve is connected to the outer side of the graphene conductive bundle in a sleeved mode, and the water accumulation hole is formed in the outer sleeve. The top of the outer sleeve is provided with a water accumulation hole, and the bottom of the graphene conductive beam is fixedly connected with an electrode block. By arranging an upper connector lug, a graphene conductive bundle, an outer sleeve, a water accumulation hole, an electrode block, a moisturizing box, a top hole, a bottom hole, a water absorption sponge and a water permeable film, part of water vapor in air and water in the underground can be absorbed, stored and then guided to the lowermost ground, so that the bottom of the grounding wire device is in a wet state for a long time, the ground resistance is reduced, and the service life of the grounding wire device is prolonged. Therefore, the grounding device can rapidly and vertically lead the strong current to the ground, and the conductive stability of the grounding device is improved.

The utility model relates to a zero-oil-accumulation large-air-volume smoke exhaust cavity, and belongs to the field of kitchen appliances. The kitchen range comprises a smoke exhaust cavity bottom plate, a kitchen range bottom plate and a surrounding plate, the surrounding plate is installed on the smoke exhaust cavity bottom plate, the kitchen range bottom plate is installed on the surrounding plate, and a smoke exhaust cavity body is formed among the smoke exhaust cavity bottom plate, the kitchen range bottom plate and the surrounding plate; a smoke inlet is formed between the side wall of the bottom plate of the smoke exhaust cavity and the bottom plate of the stove, a smoke outlet is formed in the surrounding plate, a first surrounding plate is arranged in the middle of the surrounding plate, the two sides of the first surrounding plate are each connected with a second surrounding plate, the second surrounding plates are connected with a third surrounding plate, the smoke outlet is formed in the third surrounding plate, and the smoke outlet is formed in the bottom plate of the stove. The first surrounding plate is of an arc-shaped structure, the second surrounding plate is perpendicular to the third surrounding plate, and the surrounding plates are of an integrated structure.

The invention provides an annular welding part locking device. The annular welding part locking device comprises a reference cylinder; the locking mechanism comprises a positioning part, a guiding part and a first pressing part, the guiding part comprises a base and a guiding structure, the guiding structure is arranged on the base, the base can be arranged on the positioning part in the mode of moving in the radial direction of the reference cylinder, the base abuts against one side wall of the to-be-welded circular ring, and one side of the guiding structure is matched with the inner wall of the to-be-welded circular ring in a limiting mode; the first pressing part is arranged on the positioning part, and the first pressing part abuts against the other side wall of the to-be-welded circular ring; the number of the locking mechanisms is multiple, and the multiple locking mechanisms are distributed in the circumferential direction of the reference cylinder at intervals. By means of the technical scheme, the problems that in the prior art, an annular welding part locking device is complex in structure and difficult to adjust can be solved.

The utility model discloses a kind of shell thermal shaping frock, including shaping module, its working surface is matched with product appearance;Heat conduction module, it is attached to the non-working surface of the shaping module;And heating and fixed module, it is arranged on the heat conduction module, for providing heat source and conducting heat to the heat conduction module.The utility model increases the plasticity of the shaping workpiece material to be waited for under high temperature, fluidity becomes good, yield strength reduces by the mode of initiative heating, this makes shaping operation become more labor-saving, deformation more uniform, can significantly reduce residual stress and springback from root, to obtain higher and more stable shaping precision (such as reach 0.05mm flatness), and there is possibility to save expensive intermediate annealing process, improve efficiency, reduce cost.

This application discloses a dust-free ton bag feeding station and feeding method. The feeding station includes a support base, a gas-solid separation box, a ton bag guiding mechanism, a ton bag sealing clamping mechanism, a buffer exhaust box, an exhaust drive mechanism, a dust filtration mechanism, and a pulse jet cleaning mechanism. The ton bag guiding mechanism includes a guiding base, a first outer guiding pipe, a guiding funnel, a first inner guiding pipe, a guiding connector, an exhaust duct, and an exhaust gap. When the material falls through the first inner guiding pipe, the displaced gas is discharged through the exhaust gap and the exhaust duct. This application reduces material bridging and blockage caused by airflow obstruction and eliminates the risk of dust overflow at the unpacking port. The feeding method strongly suppresses positive pressure dust at the moment of unpacking with maximum airflow, maintains a slight negative pressure during the stable period to prevent material suction, and prevents the inner liner of the ton bag from being sucked into the equipment by reducing the airflow during the emptying period, thereby improving the operating efficiency and environmental performance of the feeding station.

The invention provides an injection head assembly and an injection system. The injection head assembly comprises an injection head and an injection cap. The injection head comprises a base and an injection body, an injection cavity is formed in the injection body, the injection body is provided with a connecting end and an injection end opposite to the connecting end, the connecting end is connected to the base, and injection micropores are formed in the injection end. The injection cap is provided with an opening part, and the injection cap can be arranged on the injection body in a sleeving mode through the opening part. Wherein a first guide part is arranged on the outer surface of the injection main body, a second guide part is arranged on the inner surface of the injection cap, and the first guide part and the second guide part are constructed to be capable of being matched with each other when the injection cap is installed on the injection head so as to guide the injection cap to be arranged on the injection main body in a sleeving mode according to a preset orientation. According to the scheme, the guide parts are respectively arranged on the injection head and the injection cap, so that the injection cap can be quickly and conveniently mounted on the injection head according to the preset orientation.

The utility model relates to the technical field of transmission shaft equipment, and discloses a universal transmission shaft with long service life, which comprises a transmission shaft body, a first connecting shaft is arranged at the right end of the transmission shaft body, a first connecting flange is fixedly mounted at the right end of the first connecting shaft, and two side plates are welded at the left end of the transmission shaft body. A first rotating shaft is rotationally connected between the two side plates, a second rotating shaft is rotationally connected to the surface of the first rotating shaft, and a connecting frame is rotationally connected to the surface of the second rotating shaft. When the lubricating device is used, the protection assembly and the annular cover are arranged, the circular plate, the elastic sealing film and the annular cover form the sealing cavity, and heat conduction lubricating oil is stored in the sealing cavity, so that the purpose of lubricating the first rotating shaft and the second rotating shaft can be achieved, and friction is reduced; and heat generated by friction of the first rotating shaft and the second rotating shaft can be quickly conducted out through heat-conducting lubricating oil, the structural strength is ensured, and the service life of the whole transmission shaft is maintained.