59results about How to "Realize blocking" patented technology

The utility model relates to the technical field of electronic atomization, and discloses a liquid storage device and electronic atomization equipment, and the liquid storage device comprises a first shell, a first sealing part and a first valve part. The first shell is provided with a first containing cavity, an atomization air channel and a suction nozzle, one end of the atomization air channel is communicated with the suction nozzle, and the other end of the atomization air channel extends into the first containing cavity. The first sealing assembly is arranged in the first containing cavity, and a liquid storage space is defined by the first sealing assembly and the first containing cavity. A first through hole is formed in the first sealing assembly. The first valve piece is movably arranged at the end, stretching into the first containing cavity, of the atomization air channel so that the first valve piece can move in the axial direction of the atomization air channel under the action of external force to be inserted into the first through hole or be away from the first through hole to block or open the first through hole. The liquid storage device and the heating assembly are detachably installed, the liquid storage device has good sealing performance, and leakage of the atomization matrix can be prevented.

The invention relates to a water injection well profile control method based on protection of a low permeability layer and application of the water injection well profile control method. The water injection well profile control method comprises the steps that in the first slug, a medium-low permeability layer is temporarily plugged through a temporary plugging agent; in the second slug, a gel profile control agent is used for blocking the high-permeability layer; according to the third slug, the system injected into the high-permeability layer in the early stage is moved to the deep portion of the oil reservoir through the displacement slug, and deep profile control is achieved; and in the fourth slug, a blocking remover is used for conducting blocking removal on the low-permeability layer. The method has the characteristics of simple synthesis process, no by-product, high viscosity and shear resistance, and also has excellent flowability and injectability; after the profile control system prepared by the profile control method simulates shearing of a pump, a pipeline and a stratum, the viscosity retention rate of the profile control system can still reach 92% or above, and the breakthrough pressure reaches 8-11 MPa. Therefore, the effects of high-permeability plugging and medium-low-permeability oil displacement are achieved.

The utility model discloses a quick switching connecting device for steel pipe pile grouting construction, include: mounting panel, present arc shape buckling in the outer wall of steel pipe pile, grouting pipe, horizontal setting in the one end of mounting panel, and be used for connecting the grouting mouth of steel pipe pile lower extreme, pump pipe joint, fix on concrete pump pipe, and be used for connecting grouting pipe, screw, set up in the one end of mounting panel away from grouting pipe, and present up and down distribution, and be used for fixing on steel pipe pile, and the horizontal setting of mounting panel has the strip -shaped hole that supplies screw to wear, locking piece, fix on steel pipe pile, and be used for fixed mounting panel, the utility model has the following advantages and effect: through setting up the mounting panel of sliding installation on steel pipe pile, and setting up grouting pipe on mounting panel, make the grouting pipe of slippage of mounting panel connect grouting mouth on steel pipe pile, also can realize the plugging of grouting mouth, make construction process more convenient, improve construction efficiency, be favorable to the rapid construction of batch steel pipe pile.

The utility model relates to the technical field of oil field development sampling detection, in particular to an oil field development rapid sampling detection device which comprises a moving trolley, the upper end of the surface of the moving trolley is rotationally connected with a winding wheel, and a rope is wound on the surface of the winding wheel; the sampling mechanism comprises a balancing weight fixedly connected to the bottom end of the rope, and the lower end of the surface of the balancing weight is fixedly connected with a storage cylinder; according to the device, the upper end of the inner wall of the storage barrel is plugged through a sealing gasket, it is guaranteed that the sealing gasket is tightly attached to the upper end of the surface of a sampling pipe, and through a first motor, a rotating disc and a through hole, oil liquid at different depths in an oil well flows into the corresponding sampling pipe; according to the mode, the oil liquid is guided into the sampling pipe, so that the normal quantity of the detected sample is ensured, and the detection effect on the oil liquid sample is further ensured.

This invention relates to the field of laser cutting technology, specifically a laser processing device for the production of disconnect switches. The device includes a main body with a sliding arm slidably connected to it. A transverse drive is slidably connected to the sliding arm, and a laser cutting head is mounted on the transverse drive. A follow-up pretreatment mechanism is fixedly connected to the sliding arm. The follow-up pretreatment mechanism includes a second double-headed telescopic rod fixedly connected to both sides of the sliding arm. An upper plate and a lower plate are fixedly connected to the upper and lower sides of the second double-headed telescopic rod, respectively. This device uses multiple telescopic rods to move the adsorption box, achieving sealing of the adsorption box and opening of the suction box. Simultaneously, it uses a wedge, rack, and gear linkage to switch the clean section of the dustproof cloth strip, automatically cleaning the protective mirror through negative pressure suction and wiping with the clean cloth strip. Compared to manual cleaning of the protective mirror, this cleaning method is more convenient and efficient, improving the overall cutting efficiency of the equipment.

The invention belongs to the field of oil and gas field development, and discloses a drillable and grindable high-water-content horizontal well plugging tool and a using method.The plugging tool comprises a first connector and a connecting sleeve which are connected with one end of a bridge plug body, and a second connector and a lifting sleeve which are connected with the other end of the bridge plug body; according to the plugging tool, the pressure of the inner cavity of the mandrel acts on the main piston and the auxiliary piston; the main piston drives a nut, a central pipe, a second joint, a rubber sleeve shaft and a second cone to move upwards and extrudes the lower part of the slip to move upwards; the auxiliary piston drives the taper sleeve and the first cone to move downwards to extrude the upper part of the slip to move downwards, so that the slip is expanded to anchor the sleeve and the rubber sleeve is compressed to block an upper oil layer and a lower oil layer; the plugging tool combination can be installed at a reasonable position as required according to the plugging requirement of a water outlet point of a middle-high water content horizontal well, a swabbing production layer section can be converted by lifting and lowering a pipe column at a wellhead, the requirement of two-section and three-section separated mining is met, an oil pipe does not need to be directly connected with a separated mining tool, and the reliability is improved.

This utility model relates to the field of oral motor training technology, specifically an air-blowing oral motor training device, including an air outlet flat tube, a connecting curved tube, and a mouthpiece. The air outlet flat tube has an internal cavity and an external cavity, which are connected by multiple connecting flat tubes. A sealing baffle is slidably connected inside the connecting flat tube. The air outlet flat tube is equipped with a driving component for driving the sealing baffle to close the connecting flat tube. By setting the driving component, the user can flexibly pull the sliding connecting plate to drive the sealing baffle to slide inside the connecting flat tube according to their own training needs, thereby achieving partial blocking or opening of the connecting flat tube, accurately adjusting the number of gas flow channels, and thus effectively adjusting the blowing resistance. The locking slider in the limiting component cooperates with the locking groove. After the resistance is adjusted, the return spring drives the locking slider to insert into the locking groove, stably fixing the position of the sliding connecting plate, ensuring that the resistance setting is stable and reliable during training.

This invention relates to a metal ion crosslinking stabilizer. It primarily addresses the problems of existing gel profile control agents, such as short gelation time, easy damage to medium and low permeability layers during injection, and inability to achieve deep reservoir sealing. Its components and proportions by mass percentage are as follows: 1%-2% retarder, 3%-5% reinforcing agent, 1%-3% regulator, 4%-5% ion stabilizer, 1%-2% water purifier, and the balance being water. Preparation method: 1) Add the ion stabilizer and reinforcing agent to water according to the proportions and mix evenly in a 45°C water bath; 2) Add the regulator to the mixture and mix evenly; 3) Add the retarder and maintain the water bath for 2-3 hours; 4) Add the water purifier to obtain the target product. This metal ion crosslinking stabilizer can be used as an auxiliary additive component in the formulation of polyacrylamide ion crosslinking profile control agent systems. It can prolong the gelation time of the profile control agent, ensure the gel viscosity of the profile control agent, improve the stability of the profile control agent, and achieve effective sealing of the system.

This utility model relates to the field of airtightness testing of radiators, and discloses a water-based airtightness testing device for radiators, including a testing base, a vertical connecting assembly for sealing the radiator outlet and injecting water into the radiator inlet, and a horizontal connecting assembly for sealing the side holes of the radiator. The vertical connecting assembly includes a lifting seat that can move vertically and a vertical driving component for driving the lifting seat to move. The lower surface of the lifting seat is provided with a first vertical rubber block and a second vertical rubber block, and the upper surface of the lifting seat is provided with a water injection hole. The end of the second vertical rubber block is provided with a connecting hole that communicates with the water injection hole. The horizontal connecting assembly includes a horizontal rubber block and a horizontal driving component for driving the horizontal rubber block to move horizontally. When the first vertical rubber block is located above the radiator outlet, the second vertical rubber block is located above the radiator inlet, and the horizontal rubber block is directly opposite the side holes of the radiator.

The plugging plate for reducing heat dissipation of the melting furnace comprises a plugging seat, a plurality of rotating shafts are rotationally arranged in the plugging seat, driving arms are arranged at the ends, away from the plugging seat, of the rotating shafts, and the ends, away from the rotating shafts, of the driving arms on the same side are rotationally connected with a plugging plate body. Rotating arms fixedly sleeve the outer arc surfaces of the rotating shafts close to the vertical center of the plugging seat, symmetrically-distributed bidirectional lead screws are rotationally arranged in the plugging seat, symmetrically-distributed driving seats are in threaded connection with the outer arc surfaces of the bidirectional lead screws, symmetrically-distributed linkage sliding columns are rotationally arranged on the driving seats, and the linkage sliding columns are in threaded connection with the bidirectional lead screws. And driving grooves which are symmetrically distributed are formed in the rotating arms. According to the plugging plate for reducing heat dissipation of the melting furnace, the plugging plate body can be driven by the rotating arm to quickly, stably and synchronously get close to the plugging seat or synchronously get away from the plugging seat, so that stable plugging or quick opening of the opening of the melting furnace is realized, and heat dissipation can be effectively avoided.

The utility model discloses a heat exchanger with a built-in pressure limiting device, which comprises a heat exchanger body, the heat exchanger body comprises a heat exchanger central tube body, a head end shell and a tail end shell, the head end shell and the tail end shell are respectively fixed at two ends of the heat exchanger central tube body, and perforated partition plates are fixed at two ends of the heat exchanger central tube body. Holes are formed in the perforated partition plates, the same water pipe is fixed to the one-to-one corresponding holes in the two perforated partition plates, sealing plates fixed to the perforated partition plates are fixed to the inner walls of the head end shell, pressing plates are fixed to the positions, close to the perforated partition plates, of the bottoms of the sealing plates, and base plates are fixed to the semicircular parts of the lower portions of the perforated partition plates. Through holes corresponding to the holes in the perforated partition plate are formed in the base plate and the pressing plate, and an adjusting piece is arranged between the base plate and the pressing plate in a tightly attached mode. According to the utility model, the quantity of water entering the water pipes in the central pipe body of the heat exchanger can be adjusted, the pressure of water entering each water pipe can be equally controlled at the same time, and equal control and synchronous closing or plugging are realized.

This utility model relates to the field of sealing conduits, and particularly to a sealing device for conduits, comprising a gripping rod, a pressurizing component, a pressure line, and an injection mechanism for extending into the conduit port. The end of the gripping rod is detachably connected to a storage container for adhesive, and the injection mechanism is detachably connected to the outlet of the storage container for adhesive, with an injection port communicating with the outlet. The pressurizing component is connected to the pressure line, which is detachably connected to the storage container for adhesive. The operator uses the gripping rod to raise the storage container for adhesive to a designated position and inserts the injection mechanism into the conduit port. Pressure is transmitted through the pressure line to inject adhesive into the conduit port, achieving the purpose of sealing the conduit at a high location. When sealing conduit ports at high locations, scaffolding is avoided, reducing scaffolding costs and ensuring the safety of workers.

The application discloses a built-in gas cylinder pouring anti-spraying device, which comprises a lower shell and an upper shell, the lower shell and the upper shell are threadedly connected, the upper end of the upper shell is provided with a neck pipe, a plurality of air inlets are axially arranged on the neck pipe, the inside of the upper shell is provided with a piston head, a reset spring is sleeved on each of four threaded shafts, the lower end of the reset spring is connected with a piston plate, the edge of the piston plate is sleeved on the four threaded shafts, the piston plate is connected with the piston head through a connecting rod, and the top end of the piston head is located at the lower part of the air inlets under the action of the reset spring. The built-in anti-spraying device can prevent the high-pressure gas in the gas cylinder from being sprayed out when the gas cylinder is poured, thereby preventing the gas cylinder from flying or exploding, and the gas cylinder can be used at a small angle.

The application relates to an intelligent infusion device, which comprises a monitoring box, a display instrument panel, a starting switch and an adjusting knob, the display instrument panel, the starting switch and the adjusting knob are arranged on the side wall of the monitoring box, a supporting hook is arranged on the upper end surface of the monitoring box, an intelligent infusion mechanism is arranged on the lower end surface of the monitoring box, an infusion hose is arranged on the intelligent infusion mechanism, and a flow rate regulator is arranged on the infusion hose. The intelligent infusion device can avoid the problem that the existing infusion process cannot timely replace the bottle, so that the working strength of nursing staff can be reduced in the actual working process, and the time reminding function can be realized after the infusion is completed, so that the nursing staff can timely obtain the effect that the infusion is completed, and the nursing staff can timely replace the bottle, thereby avoiding the problem of medical disputes.

This invention discloses a wellbore trajectory identification method and device based on marker layer vertical depth, belonging to the field of oil and gas drilling technology. The method integrates actual drilling data and seismic data, formation data, and logging data from the surrounding work area to predict and invert marker layers that may be encountered during drilling, and reconstructs a planar structural map of the marker layer's burial depth. By capturing the marker layers encountered in the actual wellbore trajectory and calculating and comparing them with the vertical depth of the marker layers encountered in the preset wellbore trajectory, the downhole drill bit position is calculated and inferred, thereby achieving the identification and correction of the actual wellbore trajectory. This invention also discloses a wellbore trajectory identification device based on marker layer vertical depth. The technical solution of this invention can be used for wellbore trajectory identification during re-entry operations of old wells in new drilling operations, greatly reducing the drilling difficulty of re-entry and exploration of old wells, providing a reference for drilling process adjustments, and ultimately achieving effective plugging of old wells.

The utility model relates to the technical field of ice cream processing, concretely to an ice cream automatic filling device, including filling table, the inside of filling table is provided with the supporting plate, and the inside of supporting plate is opened with the placement groove, the inside fixedly connected with the storage bucket of filling table, and the top fixedly connected with the feed port of storage bucket, the bottom fixed mounting of storage bucket has the filling pump. The utility model discloses through the first rotation lever drive gear rotation, makes the rack plate to be able to move under the action of gear, through the movement cooperation sealing gasket of rack plate's setting, makes sealing gasket can remove to the bottom of filling head, or is removed from filling head bottom, can realize the use of filling head and the plugging of sealing gasket to filling head, so that the ice cream is not easy to drip after filling, can guarantee the working environment, can also prevent the outside impurity etc. from entering to filling head, causes the pollution in ice cream, can better guarantee the quality of filling.

This invention discloses a high-pressure jet grouting pile grouting pipe sealing device, relating to the field of jet grouting pile technology. It includes a grouting pipe sealing unit, a grout storage driving unit, and a grout discharge unit. The grouting pipe sealing unit comprises a jet grouting pipe, a sealing plate disposed around the periphery of the jet grouting pipe, a buffer protection plate disposed below the sealing plate, and a first spring disposed on the upper surface of the buffer protection plate. By setting up the grouting pipe sealing unit, the grouting fluid in the pilot hole is sealed, and the damage to the sealing plate during prolonged sealing of the grouting fluid is reduced. By setting up the grout storage driving unit, the sealing strength of the sealing plate is improved, and the damage to the sealing plate during prolonged sealing of the grouting fluid is further reduced. By setting up the grout discharge unit, the stability of the device is increased.

The utility model belongs to pipeline construction technical field discloses a staggered flange plugging device, including sealing assembly, glue injection subassembly and locking assembly, sealing assembly includes sealing band, sealing band is around the outside circumference of two mutually connected flanges and sets up, the side surface of sealing band towards flange and the outside circumference side surface of flange abut, the position of the joint of two flanges is provided with glue injection hole on sealing band, one end of glue injection hole and the gap between two flanges intercommunication, the other end of glue injection hole penetrates sealing band along the thickness direction of sealing band, the one end of glue injection hole away from flange is detachably connected with sealing sleeve, the glue injection head of glue injection subassembly is connected with glue injection hole, is provided with the chamber for placing sealant in glue injection subassembly, and the chamber is connected with glue injection head, the both ends of sealing band along its length direction are connected with locking assembly, and locking assembly can tighten sealing band to make sealing band abut tightly the outside circumference side surface of flange. The device can effectively realize the effect of plugging and fixing to two staggered flanges.

The utility model provides a dilution device for solid food and drug detection, which relates to the technical field of food and drug detection and comprises a support frame, a center plate is fixedly mounted on the support frame, a swing frame positioned above the center plate is hinged to the support frame, and a hydraulic rod is fixedly mounted in the center of the upper surface of the swing frame in a penetrating manner. The grinding plate is arranged, solid food and medicine placed on the center plate are ground through descending of the grinding plate, the situation that the particle size is too small due to excessive grinding can be avoided through grinding, and therefore loss or instability of effective components of medicine is reduced; the uniformity of the medicine can be better controlled through grinding of the grinding plate, and dosage deviation caused by uneven grinding is avoided.

A biopsy gun capable of simultaneously forming a hemostatic hydrogel within the puncture channel after biopsy sampling is disclosed. The gun comprises a cannula that is ejectibly mounted to the gun body, multiple powder storage chambers arranged around a central through-hole, each with a puncture-proof bottom at the end furthest from the gun body. Two types of hydrogel precursor powders capable of cross-linking with bodily fluids are alternately placed in the powder storage chambers. A needle core is ejectibly mounted to the gun body and passes through the central through-hole, with a sampling groove at the end furthest from the gun body. Multiple needles connected to the proximal end of the needle core are inserted into the powder storage chambers in an L-shape. A medical silicone plug is fitted onto the needle, forming a sealed environment with the powder storage chambers. Upon activation, the needle core ejects first, and the needles, along with the silicone plug, puncture the bottom of the powder storage chambers, generating a pulsed pressure that releases the two precursor powders into the wound. The cannula ejects later to cut the tissue and complete the sampling. After sampling, the needle core and cannula are withdrawn, and the hydrogel precursor powders absorb blood from the wound, forming a hydrogel in situ to fill the wound.

This application provides a zebra crossing marking device for application, relating to the field of zebra crossing construction. This application involves setting a second hollow hexagonal plate and an internally threaded tube on a hollow cotton rope. After the hollow cotton rope is wound up, the internally threaded tube is connected to a first externally threaded tube to seal the first externally threaded tube, thereby preventing powder from seeping out of the first externally threaded tube, reducing powder waste, lowering construction costs, and protecting other tools from contamination by successfully preventing powder seepage, thus reducing maintenance and replacement costs caused by tool contamination.

The utility model discloses a rotatable metal surface spraying device relates to metal spraying processing technical field, including support platform, the top of support platform is installed with elevating system and spraying mechanism through mounting bracket, the top of mounting bracket is provided with pivot, hooking frame and drive rotation subassembly through fixed shell, and the bottom of hooking frame is slid with sliding rod, and the rear end of mounting bracket is provided with synchronous push -and -pull subassembly. This rotatable metal surface spraying device replaces the meshing transmission of multiple gear through the setting drive rotation subassembly, can effectively alleviate motor loss and the axial wear of pivot, thereby reduced the overhaul frequency, reduced the maintenance cost, and through the cooperation setting of sliding rod and synchronous push -and -pull subassembly, so do not need staff to pull every hook compression spring in turn, reduced the labor intensity, and the centralized falling of metal piece greatly facilitated the collection, thereby improved the overall work efficiency.

The application discloses a kind of fuel cell's inspection device and fuel cell, it is related to battery inspection technical field, wherein, the inspection device of fuel cell includes main body, plug connector and sealing structure, multiple through installation channels are separately provided on main body, installation channel includes sealing section and connecting section;Plug connector includes contact terminal and transmission line, contact terminal includes connecting part and contact part, when contact terminal is inserted into installation channel, connecting part is correspondingly arranged in sealing section, and contact part is correspondingly arranged in connecting section;Connecting part forms through mounting hole, and transmission line extends into mounting hole;Sealing structure is sleeved on the outer periphery of transmission line, sealing structure is made of elastic material, and the outer diameter of sealing structure is greater than the inner diameter of sealing section.The application realizes the plugging of water vapor by the cooperation of sealing structure and installation channel, avoids the corrosion and oxidation of water vapor into installation channel to contact terminal, transmission line and main body, prolongs the service life time of voltage inspection device.

The utility model discloses a leakproofness detection device for tee joint production, and relates to the technical field of tee joint production detection, the leakproofness detection device comprises a bottom plate, a leakproofness detection cover, a positioning support and a detection mechanism, the leakproofness detection cover is arranged above the bottom plate, the detection mechanism comprises a plugging assembly and a detection assembly, the plugging assembly comprises a first connecting piece and a first plugging block, and the detection assembly comprises a second connecting piece and a second plugging block. The detection assembly comprises a second connecting piece, an inflator pump and a second plugging block, one end of the first plugging block and one end of the second plugging block are each provided with a hollow pipe, and each hollow pipe is provided with a three-way cleaning piece; according to the utility model, the detection mechanism is composed of two groups of plugging assemblies and one group of detection assembly, the plugging assemblies and the detection assembly can plug the port of the tee joint, and the inflation pump of the detection assembly can inflate the interior of the tee joint. The three-way cleaning piece arranged on the hollow pipe at one end of the first plugging block and one end of the second plugging block can clean the interior and the end face of the three-way port, and it is guaranteed that the three-way port is stably sealed through the first plugging block and the second plugging block.

The utility model relates to mechanical engineering technical field discloses tank body crack automatic plugging device, including tank wall, the outer wall fixedly connected with outer ring of tank wall, the outer wall fixedly connected with control mechanism of outer ring, the inner wall fixedly connected with the fit mechanism of control mechanism, control mechanism includes fixed frame, the inner wall of fixed frame is fixed in the outer wall of outer ring, the outer wall fixedly connected with connecting frame no.

The application provides a degradable blood vessel occluder and an occlusion method, which comprise a delivery tube and an extraluminal locker. The distal end of the delivery tube is provided with an occlusion balloon, which is used to tightly adhere to the blood vessel wall inside the puncture port after being inflated inside the blood vessel. The extraluminal locker is slidingly assembled outside the delivery tube. The occlusion wool inside the extraluminal locker slides along the delivery tube. The occlusion wool is pushed to the puncture port by the extraluminal locker and is used to occlude the puncture port. The application adopts the intravascular occlusion balloon positioning and the degradable occlusion wool to cooperatively stop bleeding inside and outside. The inflated balloon realizes the accurate positioning and temporary occlusion of the inside of the puncture port, effectively reduces the risk of occlusion wool internal leakage and blocks the blood vessel, the implanted part adopts the completely degradable material, and the body fluid can be safely metabolized in the blood vessel and skin healing process. There is no metal residue, and there is no need for secondary surgery to extract, which effectively realizes the occlusion of the large-diameter (including small-diameter) blood vessel puncture port.

The application discloses a gel microsphere profile control agent with salt response characteristics and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing an anionic monomer, a cationic monomer, acrylamide, persulfate, sodium dodecyl sulfate and deionized water, and adjusting to neutral to obtain a first mixed solution; adding oil-soluble methyl beta-acryloyloxy octadecyl propionate into the first mixed solution, stirring to a transparent and uniform state to obtain a second mixed solution; dispersing the second mixed solution into a plurality of microdroplets by using a microfluidic technology, and solidifying the microdroplets by a polymerization reaction to form a plurality of microspheres. The application utilizes the strong anti-polyelectrolyte phenomenon of zwitterions to polymers in salt water, the association of hydrophobic groups and the ionic bond action between anions and cations, realizes real-time regulation and control of the performance of the gel microspheres, improves the stability of the gel microspheres in a long-term migration and plugging process, and greatly improves the water injection development effect of a heterogeneous oil reservoir.

This application provides a primary and secondary integrated ring main unit, including a cabinet body. Heat dissipation vents are provided on both side walls of the cabinet body, and each vent is fixedly connected to a mounting frame. Each mounting frame contains a swing-type heat dissipation structure. By setting the swing-type heat dissipation structure, air cooling is achieved through swinging motion within the cabinet body, efficiently dissipating heat outwards. By setting baffles, linkage structures, and heat dissipation structures, the heat dissipation vents can be sealed during rainy weather, preventing rainwater from entering the cabinet body. After sealing, the rainwater is used to dissipate heat from the cabinet body, solving the problem of rainwater easily entering the cabinet body through the heat dissipation vents in existing technologies. By setting connecting frames, a base plate, a fixing plate, threaded rods, moving strips, guide rods, a first connector, an adjusting rod, and a second connector, the cabinet body can be automatically raised during rainy weather. The raised height is relatively high, effectively preventing rainwater from entering from the bottom of the cabinet body, improving the waterproof effect.

This application discloses an adaptive PLC pneumatic flap control device for material feeding into a mill, comprising upper and lower control troughs installed on a discharge chute, a discharge flap fixed on a rotating shaft, a connecting rod rotating at one end of the rotating shaft, and a transmission rod rotating at the other end of the connecting rod. The upper end of the transmission rod is rotatably connected to the lower end of a cylinder via a connecting assembly, and the cylinder is electrically connected to a PLC control system. In use, based on the actual material feeding situation, the frequency and duration of the cylinder's extension and retraction can be adjusted by the PLC control system to discharge and block material. When the cylinder extends, the transmission rod and connecting rod work together to drive the rotating shaft to rotate, thereby driving the two discharge flaps to rotate, causing their bottoms to approach each other and close, thus blocking the falling material. When the cylinder shortens, the bottoms of the discharge flaps move away from each other, allowing material to be discharged. This ensures that materials meeting the mill feeding standards can be fed into the mill in a timely manner and form a circulation within the roller press circulation system, effectively reducing the circulating load on the dual-drive elevator and roller press.