31results about How to "Guaranteed patency" patented technology

The utility model provides a fermentation tank for producing a microbial preparation. The fermentation tank comprises a tank body, a stirring mechanism and an aeration mechanism, the stirring mechanism comprises a motor and a stirring shaft; the motor is arranged at the top of the tank body, the output end of the motor is connected with the stirring shaft, the stirring shaft longitudinally penetrates through the tank body, the stirring shaft is hollow, and a ventilation branch pipe is radially arranged close to the top end in the tank body; the aeration mechanism comprises a transfer ring, an air control piece and an air outlet disc; the transfer ring is located on the outer surface of the stirring shaft, the top of the inner wall surface is rotationally connected with the stirring shaft, and the bottom end of the inner wall surface is provided with an annular opening; the air control part is used for providing air flow to the transfer ring; the air outlet disc is communicated with the bottom end of the stirring shaft. Oxygen bubble groups are diffused at a high speed along a radial track through a centrifugal force field generated by the air outlet disc, so that the oxygen dissolving rate is increased; meanwhile, the air outlet disc body serves as a rotating component and directly participates in the mechanical mixing process of materials, and the mixing effect is improved.

The invention discloses an efficient cleaning assembly and method for the inner wall of a deepwater metal deposition device. The efficient cleaning assembly comprises a guiding moving unit, a circumferential rotating unit, an auxiliary moving unit and a cleaning unit. The guide moving unit is arranged on the outer side of the metal deposition device to provide circumferential movement guide; the circumferential rotating unit drives the cleaning unit to rotate around the axis of the device through gear transmission; the auxiliary movement unit is used for driving the cleaning unit to move in the radial direction and the axial direction and providing power and control. The cleaning unit comprises a cleaning polishing head capable of making contact with the inner wall and a telescopic adjusting mechanism of the cleaning polishing head. Through cooperation of circumferential rotation and axial movement, comprehensive covering type automatic cleaning of the inner wall of the metal deposition device is achieved, pollutants such as metal splashes can be effectively removed, the smoothness of an air channel and the uniformity of an air curtain are guaranteed, the device does not need to be disassembled, operation can be automatically completed in an operation gap, and the beneficial effects of being efficient, free of damage and high in integration degree are achieved.

The application discloses a respiratory tract unblocking device for a respiratory system, which comprises a breathing nozzle, a three-way pipe, an adjusting pile, a gas distribution pipe and a water storage bottle. The three-way pipe is rotationally connected with the adjusting pile at the top, fixedly connected with the breathing nozzle at the middle and fixedly connected with the water storage bottle at the bottom. The gas distribution pipe is linearly slidably connected with the water storage bottle and threadedly connected with the adjusting pile. The water storage bottle contains liquid. When a patient needs to unblock sputum, the patient only needs to exhale into the device through the breathing nozzle, so that continuous air bubbles are formed at the bottom of the water. In this process, the positive pressure exhalation can prevent the end of the airway of the patient from collapsing too early. Since the air bubbles are generated one by one, the airway can be shaken in the reverse direction. In addition, the exhalation flow rate can be accelerated, and finally the patient can better unblock the secretion in the airway.

The utility model discloses a wheat grain impurity removing device with an impurity discharging auxiliary structure, which comprises a screening frame, the inner wall of the screening frame is connected with a screening plate in a sliding mode, the surface of the screening frame is communicated with a wheat discharging hopper and an impurity discharging hopper, the outer side of the screening frame is provided with a discharging hopper and a conveying belt which are fixedly installed on the ground through bolts, and the conveying belt is connected with the screening frame. And the surface of the screening frame is fixedly connected with a fan through bolts. External air is blown into the blowing head through the fan via the hard pipe and the rotating pipe, then the blowing head blows impurities in the impurity discharging hopper, the blowing angle of the blowing head can be changed through the rotating arrangement of the rotating pipe, and then the discharging smoothness of the blowing head to the rotating pipe is improved; according to the wheat grain impurity removing device, air blowing can be carried out when impurities and chippings screened out from wheat are discharged, so that stress is assisted when the impurities are discharged out, the discharging smoothness after the impurities are screened out is guaranteed, and the purpose of improving the convenience of the wheat grain impurity removing device in the using process is achieved.

The utility model discloses a kind of wound decompression nursing pads, including nursing pad main body, nursing pad main body is equipped with the hollow portion for corresponding with wound and the slot for fixing drainage tube, hollow portion is through the upper and lower surfaces of nursing pad main body, slot is set in the upper surface of nursing pad main body.The nursing pad main body of the utility model is equipped with hollow portion, when using, by the hollow portion and the wound of patient corresponding, avoid the wound of patient in body position change or sick lateral decubitus process to be pressed and rub, to avoid appearing wound pain aggravation, ensure that wound tissue has normal healing environment, solve the problem that body position changes difficultly caused by postoperative pain.In addition, the nursing pad main body of the utility model is also equipped with the slot being communicated with hollow portion, the range of activity of drainage tube can be limited by being placed in slot to drainage tube, prevent pipeline from bending when body position changes, ensure the patency of drainage system.

The utility model relates to a kind of descaling devices, including mainframe box, processing pipeline is located in mainframe box and multiple groups are arranged in parallel, first closed chamber and second closed chamber are arranged at the both ends of mainframe box, the both ends of processing pipeline are communicated with first closed chamber and second closed chamber respectively, first closed chamber and second closed chamber are communicated with one end of descaling pipeline, the other end of descaling pipeline is communicated with medicament storage tank, medicament storage tank imports descaling reagent by pump, pump circulates reagent along first closed chamber, second closed chamber and processing pipeline, by high efficiency, the scale layer of these parts is removed, avoid the case that water passage flow is small, ensure the entire water system's unobstructed, maintain the purification efficiency of purification mainframe to cooling circulating water, ensure that equipment can be stably and efficiently operated, reduce the risk that equipment efficiency is reduced due to scale layer accumulation, reduce the maintenance cost and energy consumption cost of enterprise.

This invention provides a graded embolization protection device, belonging to the field of vascular interventional medical device technology. The device includes a delivery guidewire, with multiple protection units fixedly arranged at intervals at the distal end of the guidewire. Each protection unit has a proximal open end and a distal closed end, and each protection unit has a flexible support frame for support at a target location. Multiple open areas are formed on the support frame, and a soft, elastic filter membrane is arranged on the edge of each open area or on the sidewall of the entire support frame to cover the open area. In use, the multiple protection units are axially deployed graded along the target location, with the flexible support frame of each protection unit fully conforming to the inner wall of the blood vessel, and the soft, elastic filter membrane intercepting emboli in the blood flow. This addresses at least the technical problems of existing embolization protection devices, such as poor flexibility due to the high coverage of the rigid support structure, difficulty in adapting to complex vascular morphologies, and poor fit with the vascular wall, leading to embolism escape.

This invention provides a covered stent, comprising a main stent having a tubular body. The main stent includes a proximal segment, a middle segment, and a distal segment along the axial direction. The middle segment includes a concave portion disposed axially on the sidewall of the middle segment. The concave portion is at least partially recessed toward the inner cavity of the middle segment, so that the middle segment forms a first channel and a second channel radially separated by the concave portion. The second channel communicates with the distal segment, and the distal side of the first channel has a distal opening. The first channel and the second channel separated by the concave portion can better facilitate blood diversion and ensure patency. At the same time, it can enhance the stability of the small stent when implanted in the first channel. Furthermore, the middle segment with the concave portion replaces the method of independently setting embedded stents and branch stents, which can minimize the radial volume of the covered stent during compression delivery.

The invention provides an inner ear infusion needle. The inner ear infusion needle comprises a puncture needle, an infusion tube, a first connecting seat and a second connecting seat, the front end of the infusion tube is fixedly connected with the puncture needle, and the rear end of the infusion tube is fixed in the first connecting seat; the second connecting seat is inserted into the first connecting seat and is in running fit with the first connecting seat; the second connecting seat is used for being connected with a medicine supply device, and a first sealing gasket is arranged between the second connecting seat and the first connecting seat; and the medicine supply device or the second connecting seat or the first connecting seat is provided with a connecting needle for puncturing the first sealing gasket. After the puncture needle is punctured into the inner ear, the problem that an infusion tube is twisted and wound due to angle adjustment of the puncture needle can be solved only by rotating the first connecting seat relative to the second connecting seat, so that the smoothness of subsequent administration can be ensured, and the risk that the puncture needle is separated from the inner ear is reduced.

The application relates to a covered stent, a preparation method thereof and a covered stent system. The covered stent comprises a metal stent and a covering film arranged on the metal stent. At least the distal end of the covering film is provided with a hole region, the hole region is provided with a plurality of through holes, the through holes can enable blood to flow from the inside of the covered stent to the outside, and the through holes comprise at least one of a circular hole, a rhombic hole and a special-shaped hole. The metal stent comprises a plurality of annular stent segments arranged at intervals along an axial direction, each stent segment has a plurality of edges and a plurality of vertices. At least part of the stent segments is sequentially divided into small wave segments and large wave segments in the direction from the proximal end to the distal end, the small wave segments are used for sealing the covered stent, the large wave segments are used for supporting a blood vessel, and the number of vertices of each stent segment of the small wave segments is greater than the number of vertices of each stent segment of the large wave segments.

The utility model relates to the technical field of drainage tube fixing patches, in particular to a medical oncology drainage tube fixing patch which comprises a patch structure, a lower patch strip and two groups of upper patch strips are arranged at the top end of the patch structure, the patch structure comprises an upper piece and an adhesive piece fixed with the bottom end of the upper piece, the upper piece is a loop surface of a hook-and-loop fastener, and the adhesive piece is a loop surface of a hook-and-loop fastener. A drainage tube is arranged between the lower joint strip and the two sets of upper joint strips in a sleeved mode and comprises a main tube and an auxiliary tube communicated with the main tube, the two sets of upper joint strips enable the ends of the main tube and the end of the auxiliary tube to be wound and fixed to the upper piece, and the bottoms of the two sides of the two sets of upper joint strips are connected through hook faces of hook-and-loop fasteners. The two groups of upper joint strips can be used for stably winding and fixing the end parts of the main pipe and the auxiliary pipe on the upper sheet, so that the end parts of the two pipes are accurately positioned; the lower joint strip forms a closed space through bonding of the round hair stickers and the hook stickers in the joint strip structure, the main pipe can be adjusted and limited in a self-adaptive mode, meanwhile, the remaining hook stickers are bonded with the upper piece, the remaining joint strip structure is fixed to the upper piece, and the fixing effect of the main pipe is further enhanced.

Relates to the field of thermal control of a thermal power plant, and discloses a protective device which comprises a protective box for protecting a thermal control element, a filter screen and a ventilation opening formed in the protective box, the ventilation hood is detachably fixed to the protection box and located on the outer side of the filter screen; the cleaning unit is arranged on the ventilation hood, the cleaning unit comprises a connecting rod arranged on the ventilation hood, a cleaning roller arranged on the connecting rod, a pull rod arranged on the connecting rod and a bottom plate fixed to the lower end of the pull rod, and the bottom plate is fixedly connected with the ventilation hood through bolts; the cleaning unit is adjusted to move on the filter screen, dirt such as dust and impurities attached to the inner walls of the meshes is effectively brushed away, smoothness of the filter screen is guaranteed, thermal control elements are protected against pollution, and the heat dissipation efficiency of the thermal control elements in the protection box can be kept.

A multi-layer three-dimensional reducing and guiding device for drilling and blasting engineering noise control comprises a tunnel inner wall sound absorption layer, a reverse horn-shaped acoustic silencer and a lateral silencing barrier. The tunnel inner wall sound absorption layer is arranged on the tunnel inner wall close to the tunnel portal; the reverse trumpet-shaped acoustic silencer is arranged outside a tunnel portal and comprises a support, a trumpet-shaped main body is fixed on the support, and a sound absorption layer is sprayed or installed in the trumpet-shaped main body. The large-caliber end of the trumpet-shaped main body is opposite to a tunnel portal, and the small-caliber end of the trumpet-shaped main body is connected with the adjusting pipe; the lateral silencing barriers are arranged on the two sides between the reverse horn-shaped acoustic silencer and the tunnel portal. The multi-layer three-dimensional reducing and guiding device for drilling and blasting engineering noise control can effectively control propagation of noise inside and outside a tunnel.

The bottom vent pipe comprises a pipe body, vent holes are formed in the outer surface of the pipe body, an annular groove is formed in the upper end of the pipe body, an annular block is movably connected to the inner surface of the annular groove, an outer frame is fixedly connected to the upper surface of the annular block, and a filter screen is fixedly connected to the inner surface of the outer frame. A handle block and a limiting assembly are fixedly connected to the outer surface of the outer frame, and the limiting assembly comprises a fixing ring, an outer ring, an L-shaped inserting block, an arc-shaped sliding rod and a stainless steel spring. By arranging a filter screen, plant fallen leaves, insects and other sundries can be effectively prevented from entering the pipe body, so that the smoothness of the interior of the pipe body is kept, by arranging a handle block, the situation that the pipe body is inserted into soil too deep and is difficult to pull out can be prevented, and by arranging the handle block, a positioning block and a limiting assembly, the pipe body can be conveniently pulled out. And the whole filter screen can be mounted and dismounted, tools are not needed, and the practicability is high.

The application provides a flat compact generator, and belongs to the technical field of generators, which solves the problems of large volume, complex structure and low heat dissipation efficiency of the existing generator. The generator comprises a front end cover, a casing, a rear end cover and a rear cover cover. The outer part of the front end cover is provided with an air outlet mesh cover. The outer part of the upper end of the casing is provided with a wiring board and a wire outlet box. The inner side of the wire outlet box is provided with an automatic voltage regulator. The inner part of the casing is fixedly provided with a main stator. The front end of the rear end cover is provided with an excitation stator. The rear cover cover is arranged at the rear end of the rear end cover. The inner part of the rear end cover is provided with a bearing. The inner ring of the bearing is fixedly provided with a main shaft. A plurality of closely arranged disc couplings and a locking plate are sequentially arranged on the front end surface of the main shaft from back to front by locking screws. A heat dissipation fan blade, a main rotor and an excitation rotor are sequentially arranged on the main shaft from front to back. The rear side end surface of the excitation rotor is provided with a rectifier bridge. The application realizes flat and compact design, and optimizes the smoothness of the internal cooling air duct to improve the heat dissipation efficiency.

This utility model relates to the technical field of gas sampling devices, specifically to a gas sampler with a clamping function. It includes a gas sampler body and a tripod support at its bottom. A drying bottle is connected to the top of the gas sampler body. Mounting posts are symmetrically arranged on both sides of the gas sampler body. A guide groove is formed on the outer end face of each mounting post, and a guide block slides within the guide groove. A support plate is located on the guide block outside the guide groove. A receiving groove for placing an absorption bottle is formed through the support plate. A bidirectional screw is provided on the bottom end face of the support plate on one side of the receiving groove. A clamping plate with a semi-circular arc structure is screwed to both sides of the bidirectional screw. A sliding rod is provided on the bottom end face of the support plate on the other side of the receiving groove, slidably connected to the clamping plate. This utility model can clamp and fix the absorption bottle, and can also adjust the absorption bottle to the appropriate height for the gas collection hose, preventing the gas collection hose from bending and ensuring smooth gas sampling.

This invention relates to the field of battery technology, specifically to a composite separator and a lithium-ion battery. The composite separator comprises a porous polymer layer; a heat-resistant polymer layer disposed on the surface of the porous polymer layer; and an interfacial bonding layer disposed between the porous polymer layer and the heat-resistant polymer layer. The composite separator has an air permeability of 80s / 100mL to 350s / 100mL, a puncture strength ≥350gf, and a tensile strength ≥1400kgf / cm². 2 Compared with the prior art, the present invention utilizes an interfacial bonding layer to tightly bond the porous polymer layer and the heat-resistant polymer layer, so that the composite membrane can maintain dimensional stability at high temperatures and prevent electrode short circuits by relying on the skeleton support of the heat-resistant polymer layer, while maintaining an effective lithium-ion transport channel, thereby taking into account a safe membrane breakage temperature, low thermal shrinkage rate and high ionic conductivity.

The utility model relates to the technical field of essence production, in particular to an essence production liquid blending device which comprises a shell and a plurality of storage tanks, the storage tanks are respectively mounted on the top wall of the shell in an annular array, an adjusting mechanism is arranged in the shell, the adjusting mechanism comprises an adjusting cylinder, a driving rod, fan blades, a rotating plate and a spring rod, and the driving rod is connected with the rotating plate. According to the perfume extraction device, perfume is stored through the sealed storage tank, it is avoided that the perfume is in contact with outside air and goes bad, or the concentration of the perfume is changed due to the fact that moisture in air permeates into the perfume extraction device, and the adjusting cylinder with the same diameter as the extraction cylinder is arranged; after the extraction cylinder extracts a certain volume of liquid perfume from the material storage tank, the adjusting cylinder extracts gas with the same volume from the outside into the material storage tank, so that the air pressure in the material storage tank is kept constant, the amount extracted by the extraction cylinder each time is not changed, and the accuracy of perfume proportioning is ensured.

The utility model discloses an efficient heat dissipation device of a centralized inverter, and mainly relates to the field of heat dissipation of centralized inverters. Comprising heat dissipation holes formed in an inverter box body, a filter screen used for covering the heat dissipation holes is arranged on the inner wall of the inverter box body, a cleaning frame is slidably connected to the inner wall of the inverter box body in the vertical direction, an air inlet pipe is arranged on the cleaning frame, the air inlet pipe is rotationally sleeved with a rotating sleeve, and a cleaning motor is arranged on the cleaning frame. A plurality of vent holes are formed in the air inlet pipe, a plurality of air inlet channels are formed in the inner wall of the rotating sleeve, a plurality of air spraying holes are formed in the air inlet channels in a communicating mode, nozzles are arranged on the outer wall of the rotating sleeve, cleaning brushes are arranged in the areas, located between the adjacent nozzles, of the outer wall of the rotating sleeve, and the cleaning brushes make contact with the filter screen. The beneficial effects of the centralized inverter are that the centralized inverter can solve the technical problem that the heat dissipation effect is affected because the filter screen of the conventional centralized inverter is blocked, realizes rapid and effective cleaning of the filter screen at the heat dissipation holes, and improves the heat dissipation effect.

The application discloses a laminated air-locking flaky check valve, which comprises an air channel and a membrane valve core. The air channel is formed by hot-pressing connection of two air channel profile hot-pressing lines of outer membrane A and outer membrane B which are stacked. The membrane valve core is composed of inner membrane A and inner membrane B. The inner membrane A and the inner membrane B are located between the outer membrane A and the outer membrane B and are continuously hot-pressed and connected together from top to bottom in sequence of the outer membrane A, the inner membrane A, the inner membrane B and the outer membrane B through the two air channel profile hot-pressing lines. The membrane valve core is provided with two or more than two membrane valve cores which are distributed along the air channel. The structure of the two or more than two membrane valve cores distributed in the air channel greatly improves the air locking effect and basically realizes the target of zero air leakage. The air inlet protection shunt hot-pressing point is additionally arranged in the air channel, which can effectively buffer the impact of the air flow, avoid the damage of high-frequency vibration caused by the air flow to the air channel and improve the service life of the check valve.

This utility model discloses a driver's cab side window opening and closing device, including a handle mechanism hinged to the side window and a limiting mechanism fixed to the driver's cab pillar. The side window rotates to open and close in the vertical direction. The handle mechanism has a sliding groove, with a first limiting part at one end near the hinge point of the groove and a second limiting part at the other end away from the hinge point. The limiting mechanism is disposed within the groove and is slidably connected to it. After the handle mechanism rotates in the vertical direction around the hinge point, the limiting mechanism moves along the groove into the second limiting part. After the handle mechanism rotates in the opposite direction around the hinge point back to its original vertical position, the limiting mechanism moves along the groove into the first limiting part. Through the coordinated design of the rotating side window opening and closing mechanism, the handle mechanism, and the limiting mechanism, airflow is ensured while achieving dual locking of the opening angle and closed state. This overcomes the sealing failure problem caused by window displacement under vibration, and the limiting mechanism prevents collision interference with the outside environment, improving safety.

The application discloses a top cover structure and a battery. The top cover structure comprises a top cover sheet, an explosion-proof valve and a plastic part. The top cover sheet is provided with an explosion-proof hole. The explosion-proof valve is connected with the top cover sheet and covers the explosion-proof hole. The plastic part is provided with a first exhaust port penetrating through the plastic part. The projection of the first exhaust port on the axis direction of the explosion-proof hole is located on the outside of the explosion-proof valve. Compared with the prior art, the first exhaust port of the application is offset from the explosion-proof valve. The droplets of the electrolyte fall on the top cover sheet under the action of gravity and cannot contact the surface of the explosion-proof valve. By changing the position of the first exhaust port on the plastic part, a physical isolation barrier is formed on the basis of maintaining the original exhaust function. The direct contact between the electrolyte and the explosion-proof valve is effectively blocked, the oxidation corrosion of the explosion-proof valve is prevented, and the normal opening function of the explosion-proof valve in thermal runaway is ensured.

This utility model relates to the field of medical device technology and discloses a nasopharyngeal specimen extraction device, including a fixed tube, an extraction assembly, and a negative pressure suction device connected in sequence. The extraction assembly includes an extraction tube, an annular filter, a fixed ring, and several elastic plates. The annular filter is fixedly disposed on the inner circumferential wall of the extraction tube and is used to allow mixtures such as blood, mucus, or tissue fluid to pass through, while also blocking the passage of nasopharyngeal specimens. The first end of each elastic plate is fixedly disposed on the fixed ring. The second end of each elastic plate is inclined towards the middle of the extraction tube. When the negative pressure suction device is activated, it drives the second ends of each elastic plate to sequentially abut. The closed elastic plates guide the mixture containing the nasopharyngeal specimen to flow towards the annular filter on the outer circumference of the elastic plates. The annular filter blocks the nasopharyngeal specimen, separating the nasopharyngeal specimen from the mixture within the nasopharynx, thus achieving simultaneous specimen protection and visual field cleaning.

The utility model relates to the field of drainage structure, concretely is integral type assembly blind ditch. It includes flange subassembly, several groups of blind pipe subassembly and several groups of flexible joint, several groups of blind pipe subassembly are in alignment and are communicated, and blind pipe subassembly includes the pipe body, the flexible joint includes flexible telescopic cover, the reinforcing ring of embedding setting in flexible telescopic cover and two mounting rings of respectively setting in the both ends of flexible telescopic cover, and flexible telescopic cover is in alignment and is communicated with the pipe body, the flange subassembly includes the plugboard flange of connecting in the left end of blind pipe subassembly or through the connection component and connecting on the left end mounting ring of flexible joint, and the clamping groove flange of connecting in the right end of blind pipe subassembly or through the connection component and connecting on the right end mounting ring of flexible joint, and the connection component is detachably arranged on the plugboard flange or the clamping groove flange, and the plugboard flange and the clamping groove flange are detachably buckled connection. In the utility model, the pipe body and the pipe body are in alignment and are communicated, and the pipe body and flexible telescopic cover are in alignment and are communicated, can guarantee the unobstructedness of drainage.

The utility model discloses a wastewater circulation treatment and utilization device for transparent nucleating agent production, and relates to the technical field of transparent nucleating agent production. The wastewater circulating treatment and utilization device for transparent nucleating agent production comprises a settling box, a collecting assembly and a filtering assembly, the filtering box is arranged on one side of the settling box, the collecting assembly is arranged on the settling box, the collecting assembly comprises a winding roller, a rope, a connecting rope and a settling frame, the connecting rope is fixedly installed at the top of the settling frame, and the connecting rope is fixedly connected with the winding roller. A rope is fixedly installed at the top end of the connecting rope and installed on the winding roller in a wound mode. Through the arrangement of the collecting assembly, the main function of a precipitation frame is to collect settled solid substances, so that precipitation is more concentrated, the precipitation effect is improved, the precipitation frame can be driven to move upwards through winding of a winding roller, the settled solid substances can be separated out of water in time, and the separation efficiency is improved. The sediment is prevented from being stirred again or suspended again in the water flow, and the stability of water quality is ensured.

The application belongs to the technical field of cleaning equipment, and particularly relates to a side-leakage-preventing integrated nozzle and a scrubber, which comprises a water spraying seat, a plurality of water outlets are uniformly arranged on the inner cavity bottom surface of the water spraying seat, an elastic pipe is arranged in the water outlet, guide rods are fixedly connected to the two sides of the cavities, a counterweight seat is arranged in the cavity, slide sleeves are fixedly connected to the two sides of the counterweight seat, push shovels are arranged on the two surfaces of the counterweight seat close to the connecting grooves, when the water spraying seat is inclined, the counterweight seat drives the slide sleeve to slide along the guide rod to the lower end of the water spraying seat under the action of gravity, the push shovel at the lower end of the counterweight seat slides into the connecting groove, the push shovel pushes the middle part of the elastic pipe, the middle part of the elastic pipe is bent and compressed, the two outer walls of the elastic pipe are extruded and attached, the elastic pipe is blocked, the residual water in the flow channel is prevented from flowing out of the lower water outlet, and the dryness of the ground around the scrubber is improved.

The application relates to the technical field of intelligent manufacturing, and discloses a kind of automobile disassembly production line multi-device linkage intelligent scheduling method and system.The method comprises the following steps: obtaining multi-source operation data to obtain equipment load distribution matrix and material flow vector; according to the equipment load distribution matrix and the material flow vector, a particle swarm algorithm is used to obtain a task scheduling priority matrix and determine a linkage bottleneck area; a deep reinforcement learning model is used to output a task allocation scheme in a virtual simulation environment; according to the task allocation scheme, determine the congestion area and generate the path correction vector; schedule available alternative equipment to perform load transfer to obtain load adjustment parameters; calculate the progress deviation vector according to the load adjustment parameters and update the operation parameters of multi-device cooperation. This method can solve the cascading imbalance problem caused by the difference in the capabilities of heterogeneous devices in the disassembly line.

The invention belongs to the technical field of gas and dust separation, and particularly relates to a gas separation device for building materials, the gas separation device comprises a gas collection assembly, a filtering circulation assembly, a driving assembly, a shutter shell assembly, a shutter assembly and an automatic closing assembly, the filtering circulation assembly is arranged in the gas collection assembly, the driving assembly is arranged on the gas collection assembly, and the shutter shell assembly is arranged on the shutter assembly. And the shutter shell assembly is arranged on the driving assembly. According to the invention, by controlling the air flow path, air flow without dust can dissipate heat for the motor, and by means of air flow hedging, external dust can be prevented from entering the motor through heat dissipation holes; the invention further provides a shutter assembly and an automatic closing assembly, the opening and closing control rod abuts against the side face of the compartment, the strip-shaped blades can be automatically kept closed when the vehicle door is closed, and therefore the problem that dust enters the driving assembly in the transportation process is solved.

The invention belongs to the technical field of medical waste gas purification treatment, and particularly relates to a pharmaceutical and chemical waste gas efficient treatment device which comprises a box body, a chemical absorption mechanism and a filter plate. The box body is provided with an air inlet pipe, an air outlet pipe, a liquid inlet pipe and a liquid outlet pipe; the filter plate comprises a filter section, a condensation section and a sliding section, the sliding section is matched with the box body, the condensation section is used for condensing liquid in gas, the filter section is used for filtering impurities in the gas, the gas inlet pipe is located below the filter plate, and the gas outlet pipe is located above the filter plate. According to the scheme, the problem that discharged gas carries liquid is solved.

The utility model belongs to the field of cabin cover polishing, particularly relates to a cabin cover polishing and dust falling device, and provides the following scheme aiming at the problems that an existing filter plate is easy to block and influences filtration: the cabin cover polishing and dust falling device comprises a cabin cover polishing table and a pore plate arranged on the inner side of the cabin cover polishing table; the dust falling spray head is connected to the polishing part of the cabin cover polishing table; the water pump is communicated with the water inlet end of the dust falling nozzle; the water tank communicates with the water inlet end of the water pump; the clamping sleeve is clamped to an opening in the middle end of the top of the water tank; the receiving hopper is clamped to the opening in the top of the clamping sleeve; the filtering assembly comprises a connecting ring, a filtering barrel, a supporting plate and a transmission box, the surface of the connecting ring is connected with an opening in the top of the clamping sleeve in a clamped mode, in the dust falling process, waste water is filtered through the filtering barrel to be recycled, and when the filtering barrel is blocked, the filtering barrel can be cleaned through the cleaning mechanism, so that the smoothness of the filtering barrel is guaranteed; and long-time operation can be realized.