16results about How to "Open and close" patented technology

The utility model discloses a drive module includes two cylinders of symmetrical setting at cylinder cover both sides, two cylinders can guarantee that cylinder cover stress is even, and the lift movement of cylinder cover is driven through cylinder, and the opening and closing of cylinder cover can be realized without manual force, and the labor intensity is reduced, the stability of the lift process of cylinder cover can be guaranteed through the cooperation of the guide column and the guide sleeve of guide module, avoids the tilting or the collision of cylinder cover because of uneven stress and leads to the damage of equipment, the sealing module can guarantee that cylinder cover and knead cylinder body's sealing fit, prevents material leakage, and the adaptive adjustment module can dynamically adjust the lift speed of cylinder cover according to the pressure in knead cylinder body, when the pressure in knead cylinder body is too big, the lift speed of cylinder cover reduces, avoids the material splashing under high pressure working condition, the intelligent monitoring module can real -time monitoring equipment state, and early warning failure avoids the accident, and the quick cleaning module can carry out the automatic cleaning to the material of remaining in the inside of cylinder cover, reduces manual operation.

The one-inlet multi-outlet switching stop valve comprises a valve body, a valve cover and a valve seat, the valve cover and the valve seat are assembled at the two ends of the valve body respectively, the valve cover is provided with a water inlet pipeline, a plurality of water outlet pipelines are arranged on the periphery of the valve body, a rotatable valve rod is further arranged in the valve body, a connecting cavity is formed in the valve body, and the connecting cavity is communicated with the valve cover. The water inlet pipeline is communicated with any water outlet pipeline through the valve body, a motor is assembled on the valve seat, the driving end of the motor is connected with the valve seat, and the motor drives the valve seat to rotate. The valve rod is rotatably arranged in the valve body, the water outlet pipelines are arranged on the outer edge of the valve body, the water inlet pipeline is arranged on the valve cover at one end of the valve body and matched with the connecting cavity in the valve rod, and the water inlet pipeline is communicated with the connecting cavity of the valve rod. The valve rod achieves communication between the connecting cavity and any water outlet pipeline in a rotating mode or can close communication between the connecting cavity and the water outlet pipeline at the same time, and opening and closing of a single inlet to multiple outlets are achieved.

This invention provides a high-pH heat treatment device for spherical graphite, belonging to the field of spherical graphite preparation technology. It includes a treatment tank for heat treating spherical graphite. The top and bottom of the treatment tank are fixedly connected to connecting pipes, and the other end of the connecting pipes is fixedly connected to a transfer tank. The upper and lower ends of the treatment tank are fixedly connected to sealing components for opening and closing the connecting pipes. Both ends of the inner side of the treatment tank are fixedly connected to side seats, and the other end of the side seats is slidably connected to an outer frame. By setting up connecting pipes, a transfer tank, and sealing components, this invention allows the device to open and close the connecting pipes by driving a partition with a cylinder. The transfer tank facilitates the addition and unloading of graphite, increasing the transfer space and eliminating the need for direct loading and unloading inside the treatment tank. This ensures the airtightness of the treatment tank, preventing heat and inert gas leakage and improving the practicality of the device.

The utility model relates to the technical field of paper drying equipment, in particular to a paper drying device. Comprising a machine box and an air supply pipe, four temperature control areas are sequentially arranged in the machine box, the temperature control areas are arranged at intervals and form a backflow channel for airflow to pass through, surrounding walls are arranged outside the four temperature control areas, backflow layers are formed between the surrounding walls and the temperature control areas and communicated with the backflow channel, and the air supply pipe is communicated with the air supply pipe. Conveying rollers are symmetrically arranged on the two sides of the middle of the temperature control area, and air supply pipes are symmetrically arranged on the upper portion and the lower portion in the temperature control area respectively; the inside of the case is divided into a plurality of temperature areas, and a drying mode that the temperature rises step by step is adopted, so that the paper quality is improved, and the production efficiency is ensured.

The application relates to the technical field of high-temperature tensile test equipment, and particularly discloses a rotary multi-furnace high-temperature furnace switching table, which comprises a rotary base, the top of the rotary base is provided with a mounting table, a transmission device is arranged between the rotary base and the mounting table, the top of the mounting table is provided with an outer cover, a temperature control meter is arranged on the outer side of the outer cover, and electrical control components are integrated in the inner side of the outer cover; the transmission device comprises a planetary reducer and a servo motor, the output end of the servo motor drives the planetary reducer and the mounting table to rotate. The rotary multi-furnace high-temperature furnace switching table solves the problems of existing rotary switching table positioning drift, running shaking, low efficiency and inconvenient maintenance through rigid transmission, high-precision indexing, multi-station annular layout and full-process automation design, has the advantages of accurate positioning, stable running, high automation degree, safety and reliability, and significantly improved test efficiency, and is suitable for a full-automatic high-temperature tensile test system.

This utility model discloses a sealed, wear-resistant, pneumatic quick-opening flap valve, which includes a valve body and a movable flap movably disposed within the valve body. A movable rotating shaft is disposed through the valve body and connected to the valve body via a bearing. One end of the movable flap is fixedly connected to the movable rotating shaft located within the valve body, and one end of the movable rotating shaft is fixedly connected to one end of a rotating arm. The other end of the rotating arm is pivotally connected to the front end of the piston rod of a cylinder. The fixed seat of the cylinder is pivotally connected to the valve body via a fixed shaft. The middle part of the rotating arm is fixedly connected to one end of a counterweight cantilever, and a counterweight block is disposed at the other end of the counterweight cantilever. In this design, the movable flap can be driven by the cylinder to rotate 90° around the center of the movable rotating shaft, thereby realizing the opening and closing of the valve body. The counterweight block can balance the torque of the movable flap, assisting the cylinder in realizing the rapid opening and closing of the valve body. The counterweight block can also provide preload force for the movable flap to ensure the airtightness of the valve body.

The application discloses a wastewater treatment device for recycling asphalt, and relates to the technical field of wastewater treatment, which comprises an aeration tank and a sedimentation tank. The aeration tank comprises a box body, an aeration mechanism and a salvage mechanism. The sedimentation tank comprises a tank body, a tank cover and a cleaning mechanism. The aeration mechanism continuously stirs and mixes wastewater, activated sludge and air bubbles by using stirring plates on outer rotating rods, improves the activity of microorganisms, thereby improving the ability of microorganisms to degrade organic matter through adsorption and metabolic action, and purifying wastewater. The salvage mechanism salvages and removes oil substances and suspended solids in sewage, effectively improves the efficiency of microorganisms in degrading organic matter, and separates and processes oil substances in the sewage. The cleaning mechanism converts wind energy into mechanical energy to drive the cleaning mechanism to clean sludge in the sedimentation tank, and changes the pressure to re-transport activated sludge in the sedimentation tank back to the aeration tank for continuous reaction, thereby saving manpower, material resources and energy consumption.

The utility model relates to the technical field of agricultural machinery, and provides a compound fertilizer particle anti-caking device which comprises a storage cylinder, a top cover is arranged at the top of the storage cylinder, crushing mechanisms are arranged on the two sides of the bottom of the top cover, a first motor is fixedly connected to the middle position in the top cover, and a second motor is fixedly connected to the middle position in the top cover. The output end of the first motor is fixedly connected with a stirring rod, a spiral conveying blade is arranged outside the stirring rod, small-particle compound fertilizer naturally falls into the bottom, large-particle caked compound fertilizer is conveyed to the top, and after the crushing mechanism is started, the compound fertilizer can be crushed and then falls into the lower portion of the interior of the storage barrel from the net face to be continuously stored. And meanwhile, continuous anti-caking operation is achieved, and the technical problems that in the prior art, if caking occurs at the bottom after falling into the bottom, it is difficult to input the caking into the upper portion again to be crushed, and the storage limitation is large are solved.

This utility model discloses a sampling device for testing dairy cow feed, relating to the field of animal husbandry. It includes a sampling cylinder and a negative pressure collection component detachably connected to the sampling cylinder. Multiple sampling holes are spaced apart along the axial direction on one side of the sampling cylinder. A movable rod is installed inside the sampling cylinder, and multiple sealing plates are spaced apart on the side of the movable rod facing the sampling holes. Each sealing plate corresponds to one of the sampling holes and can seal them. A first baffle is provided at one end of the movable rod, abutting against the inner wall of the sampling cylinder. A telescopic mechanism is provided at the other end of the sampling cylinder, with its telescopic end passing through the sampling cylinder and connected to the movable rod. Multiple sealing interfaces are provided on the other side of the sampling cylinder, corresponding one-to-one with or offset from the sampling holes. The negative pressure collection component has a plug that is adapted to connect with the sealing interfaces. This application enables layered sampling and rapid acquisition of multi-layered samples, facilitating collection and improving sampling efficiency.

This invention discloses a power cabinet, belonging to the technical field of power cabinets. It includes a cabinet body and a reinforced heat dissipation mechanism. The cabinet body has through-holes in its side walls, including basic heat dissipation holes and reinforced heat dissipation holes, with the reinforced heat dissipation holes located at the top of the basic heat dissipation holes. The reinforced heat dissipation mechanism includes a cooling fan, a temperature sensor, and an opening / closing assembly. The cooling fan is installed inside the cabinet, with its airflow directed towards the reinforced heat dissipation holes. The opening / closing assembly is located inside the cabinet and is used to open and close the reinforced heat dissipation holes. The temperature sensor is located inside the cabinet and is used to detect the temperature inside the cabinet. The temperature sensor, cooling fan, and opening / closing assembly are all electrically connected via a controller. This application further ensures the heat dissipation performance of the power cabinet, guaranteeing its operational reliability and lifespan under various dynamic heat loads.

The utility model discloses a buried pipeline leakage test device, which belongs to the technical field of pipeline leakage monitoring and comprises a leakage simulation device and a leakage monitoring device. The leakage simulation device comprises a leakage simulation pipeline, one end of the leakage simulation pipeline is provided with a medium inlet, the middle of the leakage simulation pipeline is provided with a leakage opening, the other end of the leakage simulation pipeline is provided with a sliding opening, the sliding opening is in sealed sliding connection with a sliding pipe, one end of the sliding pipe is fixedly sleeved with a piston head, the piston head is located in the leakage simulation pipeline, and the other end of the sliding pipe is provided with a medium outlet. The medium outlet is located outside the leakage simulation pipeline, and a control valve is arranged on the medium outlet; the leakage monitoring device comprises a temperature sensing optical fiber and a vibration sensing optical fiber, and the temperature sensing optical fiber and the vibration sensing optical fiber are laid above the leakage simulation pipeline with height difference. Medium leakage of a buried pipeline can be simulated through the leakage simulation pipeline, temperature and vibration at a leakage opening are monitored through the temperature sensing optical fiber and the vibration sensing optical fiber, and a data basis can be provided for pipeline leakage research.

The utility model discloses a kind of furnace door opening and closing device and reaction furnace, it is related to the technical field of semiconductor equipment.The furnace door opening and closing device includes support plate, fixed support, connecting rod assembly, support arm and driving part, support plate is connected with furnace tube and has avoidance mouth, avoidance mouth is configured as exposing furnace mouth.Fixed support is set at the side of support plate away from furnace tube;The first end of support arm is connected with furnace door, the second end is rotatably connected with fixed support, and first rotation pair around first axis is formed.Connecting rod assembly includes at least two rotatably connected connecting rods, the first end of connecting rod assembly is rotatably connected with the second end of support arm, and second rotation pair around second axis is formed.The second end of connecting rod assembly is rotatably connected with fixed support, and third rotation pair around third axis is formed.Driving part drives the second end of connecting rod assembly to rotate, so that connecting rod assembly drives support arm to swing, to utilize furnace door to open and close avoidance mouth, improve the docking precision of furnace door to furnace mouth.

The application belongs to the field of discharge devices, and particularly relates to a high-sealing-discharge system. The existing cylinder structure cannot accurately control the position of a discharge door plate. After the cylinder is broken, the piston rod is retracted, which leads to a poor sealing of the discharge port and easy leakage. The present application provides the following scheme. The application comprises a cylinder, one side of the cylinder is provided with a discharge port, the other side is provided with a mounting port, the outer wall of the cylinder at the mounting port is provided with a mounting bracket, the mounting bracket is provided with a servo motor and a planetary reducer, the output end of the planetary reducer is connected with a threaded advancing rod, and the mounting port is provided with an anti-rotation rod. In the application, under the driving of the servo motor, the anti-rotation rod drives the material pushing door plate to make horizontal accurate movement, the opening and closing of the cylinder discharge port are realized, the first wear-resistant sleeve is fixed by using a fixing assembly, the sealing property of the device is improved, and the sealing property of the device is further improved by the abutting of the first rubber pad, the second rubber pad and the cylinder.

This utility model discloses a high-pressure microenvironment vapor deposition device, relating to the field of vapor deposition technology. It includes a fixed structure, with a sample structure mounted at the bottom of its inner cavity. The fixed structure includes a base, and a sealing cover is mounted at the bottom of the base. A sealing cover door is rotatably connected to one side of the outer wall of the sealing cover. Air inlets are provided on both sides of the outer wall of the sealing cover. Through the coordinated operation of a stepper motor, a transmission rod, and a rotating rod, the opening and closing of the sealing plug is precisely controlled, thereby controlling the opening and closing of the nozzle of the first spray tube and thus precisely controlling the thin film processing flow. Furthermore, a high-pressure automatic valve and specific structure in the second sealing tank can automatically open the nozzle to precisely coat the defective area upon detection of coating defects. Combined with real-time infrared thermal imaging monitoring, compared to traditional devices, this achieves intelligent and controllable operation of thin film processing, not only ensuring the quality of film coverage but also efficiently repairing defects and improving the overall processing effect.

This utility model relates to the field of cup technology and discloses a push-type detachable double-drink cup lid, including a cup lid body (1). The upper surface of the cup lid body (1) is provided with a direct drinking spout (2) and a static water intake hole (3), and a pusher (4) is slidably disposed thereon. The pusher (4) is provided with a dynamic water intake hole (5) and a water intake tube (6) is pivotally connected thereto. A sealing cap (7) and an elastic drive mechanism for driving the sealing cap (7) to close the direct drinking spout (2) are movably disposed below the cup lid body (1). A pushing mechanism is provided between the pusher (4) and the sealing cap (7). The push-type detachable double-drink cup lid of this utility model can switch the drinking mode of the cup lid and the cup by changing the sliding position of the pusher (4). By changing the flip state of the water intake tube (6), the cup lid can be opened and closed in the straw drinking mode, so that a single cup lid can realize both direct drinking and straw drinking modes at the same time, which greatly improves the convenience of carrying a water cup when going out and is more user-friendly.

This application relates to the field of smart lock technology and discloses an easy-to-operate smart lock, mainly composed of a lock body, a lock beam assembly, a lock cover assembly, and a connecting assembly. The lock beam assembly is movably mounted on the top of the lock body, and the smart lock is opened and closed by moving the lock beam assembly up and down. The lock cover assembly and the connecting assembly are movably mounted on one side of the bottom of the lock body, and the lock cylinder is protected by rotating the lock cover assembly and the connecting assembly. This invention, by movably mounting the connecting assembly at the bottom of the lock body and fixing the connecting assembly to the lock cover assembly, allows the operator to rotate the connecting assembly to move the lock cover assembly, thereby opening and closing the lock cylinder. When the smart lock is in the locked state, the lock cover assembly effectively seals the lock cylinder, preventing impurities from entering the lock cylinder from the bottom of the smart lock, thus protecting the lock cylinder, slowing down the rusting rate of the lock cylinder, and extending the service life of the smart lock.