16results about How to "Avoid flushing" patented technology

The utility model relates to the field of automobile parking space fire fighting equipment, and particularly discloses an intelligent fire extinguishing device for an automobile parking space, which comprises a fireproof cover, a support, a fire fighting nozzle, a temperature sensor, a smoke sensor and a lifting assembly, the fireproof cover is fixedly mounted right above the parking space through the support, and an opening is formed in the bottom of the fireproof cover; the fire-fighting sprayer, the temperature sensor and the smoke sensor are all installed in the fireproof cover, the lower end of the fireproof cover is sleeved with a first fixing frame, the first fixing frame is connected with the lifting assembly and moves up and down under the action of the lifting assembly, when the first fixing frame makes contact with or gets close to the support, the fireproof cover is completely folded, and when the first fixing frame makes contact with the parking space, the first fixing frame moves up and down. The fireproof cover is unfolded, and a closed space is formed between the fireproof cover and the parking space. The fire-proof cover can be used for isolating a vehicle on fire from surrounding vehicles or equipment, fire spreading is avoided, meanwhile, a water pool can be formed in the fire-proof cover to immerse a battery, and the final fire extinguishing purpose is achieved.

The utility model relates to the field of automobile fire-fighting equipment, and particularly discloses a movable automobile intelligent fire extinguishing device which comprises a fireproof cover, a fire-fighting sprayer, two lifting assemblies and a telescopic arm, the bottom of the fireproof cover is provided with an opening, the lower end of the fireproof cover is provided with a lower fixing frame, and the upper end of the fireproof cover is provided with an upper fixing frame. The bottom of the fireproof cover is connected with the lower fixing frame, the top of the fireproof cover is connected with the upper fixing frame, the fireproof cover is driven by the lifting assemblies to be folded on the lower fixing frame or unfolded to form a closed space, the telescopic arm is located between the two lifting assemblies, and the two ends of the telescopic arm are connected with the lower fixing frame and the fire fighting truck respectively. The fire-proof cover is combined with a fire fighting truck, the fire-proof cover can be used for isolating an on-fire automobile from surrounding automobiles or equipment, fire spreading is avoided, meanwhile, a water pool can be formed in the fire-proof cover to immerse a battery, the final fire extinguishing purpose is achieved, and compared with a water gun fire extinguishing mode, the fire extinguishing efficiency can be improved, and fire extinguishing safety can be ensured; and water resources are greatly saved.

The utility model discloses a dapagliflozin preparation reaction device with a protection function, and relates to the technical field of chemical medicine production equipment. Comprising a reaction kettle body, a protection part is rotatably arranged in an inner cavity of the reaction kettle body, a main material enters the reaction kettle body through a main material pipe, an ingredient enters an ingredient barrel in the reaction kettle body through an ingredient pipe, and at the moment, a sealing disc is tightly attached to the bottom of an inner cavity of the ingredient barrel to seal the bottom of the ingredient barrel. The main material and the auxiliary material do not react immediately, so that the material and the auxiliary material are prevented from violently reacting to generate material flushing, and liquid medicine in the reaction kettle body is prevented from being sprayed out through the auxiliary material pipe and the main material pipe to injure personnel.

The application discloses a kind of semiconductor wafer cutting equipment and method thereof, it is related to wafer cutting technical field, the semiconductor wafer cutting equipment, including protective shell, the inside of the protective shell is provided with crystal bar support component and cutting component, crystal bar support component is located above cutting component, cutting fluid supply device is further provided in the protective shell, the cutting fluid supply device is used to carry out fluid supply to crystal bar cutting site, the cutting fluid supply device is installed between crystal bar support component and cutting component, diamond solidification mechanism is provided on the cutting component, the diamond solidification mechanism is used to supplement diamond particles on diamond steel wire and solidifies diamond particles, diamond particle slurry is filled with the material that is cured quickly by ultraviolet light, so diamond particle slurry can be cured quickly by photo-curing lamp irradiation, to prevent cutting fluid from flushing away diamond particles as far as possible.

The utility model discloses an automatic water supply device which comprises a water feeding trough, a water tank, a water supply unit and a water level switch group, water is fed to poultry through the water feeding trough, drinking water is received through a water supplementing trough, so that the drinking water is input into the water feeding trough, and the drinking water in the water feeding trough can be discharged through a water discharging valve. The drinking water is stored through a water tank, the drinking water is input into the water tank through a water inlet pipe, the drinking water is input into a water supplementing tank through a water supply pipe, a rubber hose and an output pipe, and air is supplemented into the water tank through an air inlet; the pressure intensity in the water tank is balanced, so that drinking water in the water tank can be input into the water supplementing tank, the installation height of the output pipe can be changed through the rubber hose and the hose clamp, the height of the air inlet is changed, and then the water level height in the water feeding tank is changed.

The utility model relates to the technical field of bottle body defect detection devices, in particular to a defect detection system for glass bottle production, which comprises a conveyor belt, a detection mechanism and a grabbing mechanism, the material distributing mechanism comprises a rotary gear lever, a blocking cylinder and an inductive switch which are arranged on the rack; one end of the rotary gear lever is pivoted with a pin shaft, the rear end part of the pin shaft is fixed on a rack of the conveyor belt, the pin shaft is sleeved with a torsional spring, one end of the torsional spring is fixed with the rotary gear lever, and the other end of the torsional spring is fixed with the rack of the conveyor belt; a bottle body feeding outlet is formed in the front end parts of the two rotary baffle rods, and the bottle body feeding outlet is gradually reduced in the conveying direction of the conveying belt; and a gap between the front end part of the rotary gear lever when the rotary gear lever is not stressed and the inductive switch is equal to the maximum outer diameter of a conveyed bottle body. The device can separate the similar glass bottles on the conveying line, improves the grabbing accuracy of the clamping jaw, and improves the glass production quality.

The present invention discloses an overflow device for isolating air, comprising an overflow base and a buoy arranged above the overflow base and movable up and down. A drainage channel that passes through from top to bottom is arranged inside the overflow base, and the buoy comprises a top plate arranged on the top of the overflow base, and the bottom of the top plate is sealed with the top of the drainage channel. A guide rod is vertically fixed at the bottom of the top plate, and a first limiting structure is fixed inside the drainage channel, and one end of the guide rod passes through the first limiting structure and extends downward. A second limiting structure that can interfere with the first limiting structure to limit the floating stroke of the buoy is fixed at the bottom of the guide rod. Under normal circumstances, the buoy seals the top of the drainage channel due to gravity, isolates the drainage port of the drainage valve from the outside air, and the outside air cannot enter the drainage port. The drainage port is almost in a full pipe water state, and the drainage speed is greatly increased through the siphon effect; when the water level overflows a certain height of the buoy, the buoy floats up and opens the drainage channel to achieve overflow.

The present invention relates to the technical field of gate maintenance, and specifically to a lateral hydraulic jacking device for gate maintenance, comprising a concrete support, wherein the concrete support is arranged in a concave shape, a fixing frame is arranged in the concrete support, and the fixing frame is arranged in two groups; a gate, wherein the gate is installed in the fixing frame, and the gate is movably connected to the fixing frame; through the structure of the hydraulic cylinder, a first trapezoidal block and a second trapezoidal block are simultaneously pushed to slide in the same direction and the same distance, and the hypotenuse of the first trapezoidal block and the second trapezoidal block is matched with the hypotenuse of a connecting seat, so that when the first trapezoidal block and the second trapezoidal block move toward the gate, the gate will be pushed upward, thereby avoiding safety hazards caused by maintenance personnel performing underwater operations, and the connecting seat abuts against the first and second trapezoidal blocks, thereby avoiding the problem of water flow flushing the gate open after the gate is raised.

The present application provides a cleaning device and a cleaning robot, the cleaning device comprising: a frame, through which a recovery hole is opened; a spray assembly, arranged on the frame; a sealing assembly, including a flexible sealing cover and a brush, both of which are arranged on the frame; the brush is arranged around the outer periphery of the spray assembly, and the flexible sealing cover is arranged around the outer periphery of the brush; one end of the flexible sealing cover away from the frame and one end of the brush away from the frame both extend beyond the spray assembly, so as to fit the wall surface to be cleaned. The cleaning robot comprises a robot body and a cleaning device. By adopting the above technical solution, the flexible sealing cover is set as a flexible structure, so that the flexible sealing cover has good wall adaptability; and the brush can block the water flow when the spray assembly sprays water, further ensuring the degree of fit between the flexible sealing cover and the wall surface to be cleaned; in this way, the cleaning device has good wall adaptability, which helps the wastewater to be better vacuum recovered through the recovery hole, thereby improving the recovery rate of the wastewater.

The utility model provides a device for assisting in closing a release valve of a centrifugal air compressor, which solves the problems that when the existing centrifugal air compressor is just started, a cold air system is in a non-pressure state, and after equipment is started, the cold air system is free of pressure, a pneumatic valve is not driven by an air source, and an unloading valve is in an open state and cannot be closed. The technical problems that in the prior art, compressed air can be directly discharged through an unloading valve, electric energy is wasted, and production time is delayed are solved, and the centrifugal air compressor auxiliary device can be widely applied to the field of centrifugal air compressor auxiliary devices. The device specifically comprises a centrifugal air compressor, a stop valve is arranged between a centrifugal air compression unloading valve pipeline and a silencer pipeline, mounting flanges are fixedly connected to the two ends of the stop valve, mounting holes are formed in the mounting flanges, a valve element is rotationally connected in the stop valve, and a rotating rod is fixedly connected to the valve element. The rotating rod is fixedly connected with the output end of a pneumatic actuator, and the pneumatic actuator is connected with an external air source.

The present application relates to a highway slope protection structure and an application method thereof that is conducive to nesting of the protected animal chestnut-throated bee-eater (Merops philippinus), and relates to the technical field of wildlife protection and environmental protection. The present application can fix the rain shield to the top of the slope by fixing the anchor rod, so that the threaded support rod is threadedly connected with the threaded collar and supported by the gentle slope at the top of the slope, fix the fixed angle steel to the top of the gravel eco-bag by fixing the anchor rod, and then fix the fixed plate to the surface of the slope by fixing the anchor rod, so that the three-dimensional vegetation net is used to enclose the gentle slope at the bottom of the slope, so as to prevent rainwater from scouring the gentle slope at the top of the slope, and prevent the gully from washing away the nest of the chestnut-throated bee-eater, thereby reducing the loss of water and soil. In addition, the present application also provides a method for protecting the breeding habitat of the chestnut-throated bee-eater, and specifically how to protect the breeding habitat of the chestnut-throated bee-eater, how to protect the breeding habitat of the chestnut-throated bee-eater during the highway operation period, and how to update and maintain the nest of the slope after the chestnut-throated bee-eater flies away from the nest, so that the chestnut-throated bee-eater can continue to use the slope for breeding next year or in the next few years.

The present application provides an OLED display device, which provides a partition groove for at least one of a driving circuit layer and a light-emitting functional layer in a region between a retaining wall and a display region. When the buffer glue layer is subjected to excessive pressure or the volume of the glue is too large, the glue can be filled in the partition groove to avoid glue flushing problems. When the buffer glue layer is unevenly coated, the glue diffuses into the partition groove to form a uniform film surface of the buffer glue layer, thereby avoiding poor display caused by uneven glue thickness and / or glue flushing problems during the coating process of the buffer glue layer.

This invention discloses an atmospheric pressure cutterhead and cutter gate structure for an ultra-large diameter tunnel boring machine (TBM), relating to the field of TBM technology. It includes an atmospheric pressure cutterhead with multiple cutter modules mounted on it. Each cutter module includes a cutter cylinder. A gate chamber is fixedly connected to the bottom of a first cutter chamber. The sealing mechanism includes a connecting ring fixed to the top of the gate chamber, a rotating ring on the outside of the connecting ring, and a set of gates hinged to the bottom of the connecting ring. A hinge rod is inserted through a through hole. A hydraulic cylinder is fixedly connected inside the gate chamber, with a rack fixedly connected to the end of the hydraulic cylinder. A set of toothed blocks is fixedly connected to the outside of the rotating ring. This invention controls the hydraulic cylinder to retract, causing the rack to move in the opposite direction. The rack then causes the toothed blocks to rotate in the opposite direction, which in turn causes the rotating ring to rotate in the opposite direction. The rotating ring then causes the hinge rod to rotate, which in turn causes the gates to rotate in the opposite direction. All gates fit together, sealing the passage inside the gate chamber. This type of gate occupies little space and can increase the design quantity of cutters on the atmospheric pressure cutterhead.

The invention discloses an automatic folding method, a folding structure and a folding tool for an air bag, and the automatic folding method comprises the following steps: flatly laying the air bag, and arranging an air inlet of the air bag and a pre-provided gas generator profiling block in a matched manner; an ejector rod penetrates through the gas generator profiling block and the gas inlet of the gas bag to eject the upper cloth piece of the gas bag; gathering the airbag from the edge to the gas generator profiling block to form a gathering structure; the ejector rod is pulled out of the gathering structure, so that the jacked part of the upper cloth piece of the air bag freely falls onto the gathering structure; and the jacked part of the upper cloth piece freely falling onto the gathering structure and the gathering structure are subjected to pushing and pressing forming. After the air bag is unfolded, the upper cloth piece can first impact the weakening line part of the air bag cover, so that the problems that when an existing automatic folding preassembling structure is folded, the air bag is wrinkled, and the center position of the air bag is deviated are solved.

The blast furnace top pressure control method comprises the steps that when it is detected that the blast furnace top pressure is larger than or equal to a first set pressure value in the blast furnace top pressure rising process, after a first bypass valve connected with a blast furnace top gas pressure turbine (TRT) is controlled to be opened to a first preset opening degree, the first bypass valve is opened to a second preset opening degree; adjusting the opening degree of a stationary blade of the TRT according to the furnace top pressure of the blast furnace; wherein the TRT and the first bypass valve are both connected in a blast furnace gas pipe network, the first end of the first bypass valve is connected with the first end of the TRT through a gas pipe, and the second end of the first bypass valve is connected with the second end of the TRT through the gas pipe. And the stable furnace top pressure can be effectively maintained, the furnace top blow-off valve is prevented from being burst open, and the stability and the gas utilization efficiency of the blast furnace are improved.

The present invention discloses an overflow valve for isolating air, comprising an overflow body, a float and a seal. A cavity is provided inside the overflow body, and a water inlet pipe and a drain pipe connected to the cavity are provided at the top and bottom of the overflow body respectively. The float is arranged above the overflow body and a guide column is fixed at the bottom. A guide sleeve for radially limiting the guide column is fixed inside the overflow body, and one end of the guide column passes through the guide sleeve and extends into the cavity. The seal is fixed at the bottom of the guide column, and the bottom of the seal is sealed with the top of the drain pipe. Under normal circumstances, the seal is sealed with the top of the drain pipe due to the gravity of the float, isolating the drain port of the drain valve from the outside air, and the outside air cannot enter the drain port from the water inlet pipe. The drain port is almost in a full pipe water state, and the drainage speed is greatly improved through the siphon effect; when the water level overflows a certain height of the float, the float floats up, and the seal is separated from the sealing surface of the drain pipe to achieve overflow.