20results about How to "Barrier entry" patented technology

The utility model provides a kind of sealing surface scratch-proof protection device for hydraulic flange processing, it is related to hydraulic flange processing technical field, including processing support platform, the upside of processing support platform is provided with sealing surface protection component, the sealing surface protection component includes the support steel platform installed on the upside of processing support platform, the outside of support steel platform is equipped with shock-absorbing rubber pad, the outside of shock-absorbing rubber pad is provided with hydraulic flange main part;Shock-absorbing rubber pad is sleeved to the outside of support steel platform, then hydraulic flange main part is sleeved to the outer surface of shock-absorbing rubber pad outside support steel platform, then after hydraulic flange main part is sleeved to the outside of shock-absorbing rubber pad, start sealing air pump, make inflatable sealing ring expand, to form tight fit to the top inside of hydraulic flange main part, effectively block outside impurity into sealing area, avoid metalworking chip into the inside of hydraulic flange main part, cause sealing surface to be damaged or influence subsequent assembly accuracy.

The invention belongs to the technical field of magnetic variable measurement, and particularly relates to a nuclear magnetic resonance magnetic variable measurement debugging device which comprises a mounting part, an inner supporting mechanism, a supporting mechanism, a control mechanism, a flow guide mechanism and an air inducing mechanism. The mounting part comprises a bearing bracket and a mounting box fixedly mounted on the side wall of the bearing bracket; the inner supporting mechanism comprises a bearing disc and a clamping jaw, the bearing disc is rotationally arranged on the inner wall of the bearing support, and the clamping jaw is slidably mounted on the outer wall of the bearing disc; the supporting mechanism comprises an arc-shaped frame and supporting rollers rotationally installed at the two ends of the arc-shaped frame. The arc-shaped frame is fixedly installed on the upper end face of the installation box. The control mechanism is used for controlling the clamping jaw to move; the air inducing mechanism comprises a control cylinder, an exhaust hood and an air inlet hood, the control cylinder is fixedly installed on the inner wall of the bearing support, and inner cavities of the exhaust hood and the air inlet hood are connected through the control cylinder; through cooperation of the structure, detection signal distortion is prevented, the magnetic variable measurement precision is greatly improved, and the full-detection requirement of batch production is met.

The invention relates to the field of photovoltaic modules, and particularly provides a photovoltaic module and a waterproof adhesive tape for the photovoltaic module, the waterproof adhesive tape comprises an adhesive tape main body, the adhesive tape main body comprises: a substrate layer; the supporting layer is arranged on one side of the base material layer; the blocking layer is arranged on the side, away from the base material layer, of the supporting layer; the water-blocking bonding layer is arranged on one side, far away from the supporting layer, of the blocking layer; wherein the water-blocking bonding layer can be fixedly connected with a laminated piece of the photovoltaic module. By means of the structure, the strength of the waterproof adhesive tape can be guaranteed through the supporting layer, the waterproof effect can be guaranteed through the blocking layer, and the bonding reliability of the waterproof adhesive tape can be guaranteed through the water blocking bonding layer.

The utility model discloses a kind of external circulation oil return type sealing devices, comprising: sealing static ring, the sealing static ring is multiple arc static ring cover body, multiple arc static ring fixed flange and multiple static ring oil collecting groove composition, its static ring fixed flange is set in equipment cabinet or cover body end face, the equipment cabinet is far from the side of sealing static ring as sealing medium;Oil return pipe, set in the bottom of sealing static ring, and oil return pipe is communicated with equipment lubrication system, oil return pipe is used to guide flow lubricating medium in sealing static ring cavity to equipment lubrication system;Sealing dynamic ring, set on rotating shaft, and sealing dynamic ring is set in the inside of sealing static ring, the sealing dynamic ring is used to block lubricating medium and be thrown to the inner wall of static ring cover body on it.This utility model realizes online external installation, without changing original equipment structure, easy to install, no wear, long service life, easy to disassemble and maintain, by internal circulation flow guiding lubrication design, realize preventing lubricating medium leakage.

This invention discloses a synergistic hydraulic permeability enhancement and semi-permeable membrane-enhanced gas extraction system and method, belonging to the field of low-permeability coal seam gas extraction technology. The system comprises a dual-casing structure, hydraulic permeability enhancement drive, semi-permeable membrane negative pressure gradient extraction, and recovery circulation systems. The dual-casing structure mainly consists of a main water injection pipe and multiple outer casings, a main extraction pipe and multiple inner casings. The outer casings are equipped with jet nozzles, and the inner casings have gas extraction holes covered by a polytetrafluoroethylene (PTFE) semi-permeable membrane. The dual-casing structure system combines permeability enhancement and extraction functions. Precise hydraulic permeability enhancement is achieved through the outer casings, while the inner casings utilize the selective permeability characteristics of the semi-permeable membrane to enhance gas extraction, thus solving the problems of short permeability enhancement efficiency, low extraction efficiency, and poor sealing performance in traditional technologies. This invention is suitable for efficient gas extraction and coal seam permeability enhancement in high-stress, low-permeability coal seams, ensuring safe coal mine production and improving coalbed methane resource utilization.

The avocado oil extraction stirrer equipment comprises a mounting frame, a stirring box is fixedly mounted between the inner walls of the two sides of the mounting frame, the top of the mounting frame is provided with an inspection opening and a feeding hopper which are communicated with the stirring box, and a stirring motor is fixedly mounted on the outer wall of one side of the mounting frame; a stirring shaft located in the stirring box is rotationally connected between the inner walls of the two sides of the mounting frame. A stirring motor serves as a single power source, a stirring shaft synchronously drives a cam to rotate while rotating, centrifugal force generated by rotation of the cam triggers a first conductive block to make contact with a second conductive block, an electromagnetic valve is controlled to be opened and closed, and then the cam, a movable plate, a first spring, a movable rod and a first piston block are matched; clean water in the water tank is automatically sucked and directionally conveyed, the energy consumption and the manufacturing cost are reduced, the whole process of water storage and feed port adjustment is automatically completed along with the stirring process, manual operation is not needed, the operation intensity is greatly reduced, and the intelligent operation level of equipment is improved.

This utility model discloses a liquid collection box for a strong negative pressure suction device, including a box body with a liquid collection cavity, an inlet and an outlet on the box body, and a box body consisting of a sealed lid and a box compartment. A partition inside the box compartment divides the liquid collection cavity into an air inlet chamber and an air outlet chamber, and a connecting port is provided at the bottom of the partition. Through structural constraints, the airflow follows a fixed path: after entering through the inlet, it first flows downward, passes through the connecting port, and then flows upward and is discharged through the outlet. This utility model's liquid collection box for suction devices utilizes gravity and inertia to cause the liquid in the airflow to settle and be retained in the low-lying area within the box body, effectively preventing liquid from entering the filter element of subsequent negative pressure equipment. It has a simple structure, low cost, can effectively extend the service life of the filter element, and is easy to clean and maintain, making it suitable for use in various medical negative pressure suction scenarios.

The application discloses a flexible material bending tester with a safety protection structure and relates to the technical field of flexible material performance testing. The fixing tool is arranged in two, one is arranged on the moving block, and the other is arranged on the test table. One end of the flexible material is placed inside the fixing tool on the test table, and the other end is arranged inside the fixing tool on the moving block. The two fixing tools jointly clamp the flexible material from both ends, facilitating subsequent testing of the flexible material. The sliding block controls one fixing tool to reciprocatingly slide on the first sliding rail, realizing automatic and standardized testing of the repeated bending fatigue performance of the flexible material. In the process of reciprocating bending of the flexible material, material fragments can conveniently fall into the cutout of the table top, facilitating subsequent collection of the fragments. The protection tool slides on the second sliding rail, and the two protection tools are connected, so that the test is closed, and the personal safety of the operator and the stable operation of the equipment are ensured.

This utility model discloses a condensing device for an air conditioning refrigeration unit, relating to the field of air conditioning refrigeration technology. It includes a fixed housing with a condenser tube mounted on it. Mounting plates are provided on both sides of the fixed housing, and mounting holes are drilled through the surfaces of both mounting plates. A mounting shell is mounted on the surface of the fixed housing. A heat dissipation mechanism for cooling the condenser tube is provided inside the mounting shell and mounted on the condenser tube. A dustproof mechanism for preventing dust from entering the fixed housing is provided on both the fixed housing and the mounting shell. The dustproof mechanism includes a dustproof mesh shell, which is slidably mounted on the outer wall of the mounting shell. Four studs are fixedly mounted on the surfaces of both the fixed housing and the mounting shell, and the dustproof mesh shell is slidably mounted on the four front studs. This utility model achieves rapid heat dissipation from the condenser tube and prevents dust from affecting its heat dissipation efficiency. It is simple to operate and highly practical.

The utility model relates to the field of water ecological restoration, in particular to a device for planting and observing submerged plants in situ, which comprises an overwater device, an underwater device and a fixing rod, the overwater device is connected with the fixing rod and can move up and down along the fixing rod, and the underwater device is arranged below the overwater device. The overwater device comprises a floating bed and a framework arranged on the floating bed, and is characterized in that the framework comprises a first frame and a second frame, the first frame is arranged above the second frame, a plurality of supporting rods are further arranged between the first frame and the second frame, one end of each supporting rod is fixed to the first frame, and the other end of each supporting rod is fixed to the second frame. According to the device, the double-layer frame is arranged and matched with the supporting rods to form a groove-shaped structure, so that the floating bed is clamped and fixed, and the device is simple in structure, low in manufacturing cost, high in practicability, convenient to manufacture and capable of being massively manufactured according to needs to meet experiment requirements.

This utility model belongs to the technical field of filter press equipment, specifically relating to a frame plate filter press with a cake-removing air passage. A frame plate filter press with a cake-removing air passage includes a main support, with a filter press frame and a pressing frame at each end, and a main beam between the filter press frame and the pressing frame; several filter press plate assemblies are arranged between the filter press frame and the pressing frame, and the filter press plate assemblies are mounted on the main beam; the filter press frame has four liquid guiding channels and one mud guiding channel, the pressing frame has a hydraulic plate, and the hydraulic plate has a hydraulic pump; the filter press plate assembly includes a filter press plate, with liquid guiding holes at each of the four corners and a mud guiding hole at the center of the filter press plate; filter press grooves are provided on both sides of the filter press plate, and mud pushing plates are hinged to the filter press grooves; the filter press plate has an air passage inside, and several air ports are provided at the bottom of the filter press groove, all connected to the air passage, with one end of the air passage opening to the top of the filter press plate.

This utility model discloses a temperature-sensing cup, including a cup body and a cup sleeve fitted around the outer edge of the cup body, with the bottom of the cup body exposed. The side of the cup sleeve includes a mounting portion, which houses a control module, a wireless charging module, a wireless transmission module, a temperature sensing module, and a power module. These modules are electrically connected to the control module. By placing the mounting portion on the side of the cup body, this utility model eliminates the need for the wireless charging module to occupy space at the bottom of the cup body. The exposed bottom of the cup body facilitates placing the entire cup on a heating pad for heating. Simultaneously, the side mounting portion provides a suitable electromagnetic induction area for the wireless charging module, ensuring efficient coupling with external charging devices. This design avoids the risk of liquid contact with the bottom while maintaining the convenience and stability of wireless charging. The structural design prevents liquid intrusion from the source, significantly improving durability and safety.

The utility model discloses a sealing cover, specifically relates to the technical field of dish-washing machine body sealing cover, including seat body, the outside of seat body is provided with the outer thread section, the thread specification of outer thread section is through strict design, and the thread spacing and depth are uniform, the outside of seat body still is provided with the buckle block through the mode of buckle, the top of seat body is set to open, the edge of opening is through smooth processing, the outside of seat body is connected with annular clamping seat through thread, the inside of buckle block is provided with inner thread section, through the unique design and the innovative structure, effectively solved the sealing effect of poor, inconvenient operation and the problem such as the sealing performance decline after opening many times of existing technology in the salt water dish-washing machine body cover, and its multilevel sealing structure, convenient operation mode and stable long-term performance make it have wide application prospect in the field such as salt water storage, transportation and use.

The application discloses a sucker structure, which comprises a sucker, wherein the sucker comprises a back plate and a glue body, the glue body is tightly combined with one side of the back plate, the other side of the back plate is provided with a connecting part, the back plate is made of a hard material, the glue body is made of a soft material, the back plate is provided with a plurality of convex parts, the convex parts are arranged on the side of the back plate which is tightly combined with the glue body, the convex parts are arranged around the middle part of the back plate at intervals, and each convex part is arranged close to the outer edge of the back plate. The hard back plate can assist the soft glue body in adsorption, and the adsorption effect is good; the convex parts arranged at intervals can improve the pressing force of the outer edge of the back plate on the glue body without affecting the deformation of the back plate, thereby playing a role in blocking the gas from entering from the edge of the sucker, further improving the adsorption effect of the sucker, improving the durability of adsorption, and making the glue body more firmly wrapped and combined with the back plate.

The utility model relates to a humidifying system of a rotary offset press, and belongs to the technical field of paper printing. The humidifying system of the rotary offset press comprises a humidifying chamber, an atomization humidifying system and a uniform air guide mechanism, an inlet and an outlet are formed in the two ends of the humidifying chamber respectively, and the atomization humidifying system is installed on one side of the humidifying chamber; the uniform air guide mechanism comprises an air guide pipe and two convection fan sets, the air guide pipe is fixedly connected to the air outlet end of the atomization humidification system, and the air outlet end of the air guide pipe is fixedly connected and communicated with two air distribution pipes; the atomization humidification system conveys water vapor to the humidification chamber through an air guide pipe and an air distribution pipe, and the two convection fan sets form circulating air flow. Airflow takes away moisture when flowing through the inner wall of the humidifying chamber, and condensation of the inner wall is reduced; the water vapor collides with atomized water vapor in the water vapor spraying area, so that the water vapor is uniformly attached to the surface of paper, rapid wetting is realized, and the humidifying effect is improved.

The application relates to the technical field of fire-fighting fire detection and alarm, and discloses an independent intelligent smoke fire detection and alarm device with a self-correcting function, which comprises a base, an upper cover fixedly installed at the top of the base, a connecting embedded rack arranged between the base and the upper cover, a plurality of arc-shaped turbulence and flow resistance rib plates arranged on the outer side of the top end of the connecting embedded rack, a photoelectric smoke sensing chamber fixedly installed on the surface of a main control circuit board, an infrared emission source fixedly installed on one side in the photoelectric smoke sensing chamber, a main light path channel fixedly installed at a position close to an infrared emission source emission port in the photoelectric smoke sensing chamber, and a polarization light splitting prism fixedly installed in the middle of the main light path channel. The application can accurately distinguish fire and interference, avoid false and missed alarms, and has the advantages of self-checking protection, long sound transmission distance, stable operation, and strong adaptability through light path self-correction, multi-stage stable flow dustproof and moistureproof structures, and multi-sensing imaging discrimination technology.

The application discloses a method for preparing a perovskite film with the assistance of a silane coupling agent and application thereof, and the method comprises the following steps: coating a PbI2 solution modified by a urea-based functional silane coupling agent on a substrate surface, performing first annealing to obtain a PbI2 film; depositing an organic ammonium salt solution on the PbI2 film, and performing second annealing to obtain a perovskite film. The preparation method can solve the problems of pre-degradation of a first deposition area, film crystallization and phase transition spatial heterogeneity caused by the prolongation of a processing time window and the invasion of environmental moisture in a large-area printing process, so that the uniformity, stability of the perovskite film and the photoelectric conversion efficiency of a device are improved.

This utility model discloses a six-sided double-cone plug for fluidized bed furnaces, wherein the ash discharge pipe of a cyclone dust collector is inserted into the lower part of the fluidized bed layer of the fluidized bed furnace. A plug fixing seat is fixed to the outer wall of the ash discharge pipe end, and mounting holes are evenly distributed around the plug fixing seat, into which vertical screws are inserted. Self-locking nuts and positioning nuts are respectively installed on the screws on the upper and lower sides of the plug fixing seat. A head is provided at the lower end of the screw, and a six-sided double-cone plug is fixedly connected below the head. The six-sided double-cone plug consists of an upper cone and a lower cone that are symmetrically arranged. A dust discharge slope is provided on the side of the upper cone, and a wind-blocking slope is provided on the side of the lower cone. A dust discharge gap is left between the dust discharge slope and the opening of the ash discharge pipe. This utility model, through the synergistic effect of the double-cone structure, maintains a stable distribution of fluidized gas while avoiding airflow short-circuiting, and simultaneously achieves precise control of the return material gap, effectively improving gas-solid separation efficiency and adaptability to operating conditions.

The utility model discloses a kind of cover type dustproof FTU distribution terminal, its structure includes cabinet, the cabinet front side is hinged with cabinet door, further include blowing equipment, exhaust equipment, connecting port and movable baffle: the lower part of the cabinet one side is equipped with air inlet bin, the air inlet bin and cabinet inside connecting place are equipped with air grating, the upper part of the cabinet other side is equipped with exhaust bin, the air inlet bin and cabinet inside connecting place are also equipped with air grating;The blowing equipment is located in the lower side of air inlet bin, and the exhaust equipment is located in the upper side of exhaust bin;The connecting port has two groups, one group The connecting port is located in the inside of air inlet bin, and located between air grating and blowing equipment, another group The connecting port is located in the inside of exhaust bin, and located between air grating and exhaust equipment;The movable baffle is located in the inside of connecting port, and with connecting port Sliding connection.

The utility model discloses a ball head drainage tube with multiple side suction grooves relates to medical instrument technical field. The drainage tube includes the semispherical head, the suction pipe and the drainage hose that connect gradually, and the three inside common constitution thorough center flow channel. The pipe wall of suction pipe is equipped with multiple circular arc close type side suction grooves, and the longitudinal section geometry of this side suction groove is constituted by the inside expansion cavity and the outside narrow entrance, and the narrow entrance is formed by two sections of the small radius circular arc that inwardly converges to each other, and the expansion cavity profile is the large radius circular arc, and both are smooth transition and are communicated with the center flow channel. The structure makes the drainage liquid can smoothly pass through narrow entrance and gather in expansion cavity, can effectively block the big soft tissue simultaneously, reduces the risk of blockage. The semispherical head helps to reduce the tissue damage in the process of insertion. The utility model structure design pertinence is strong, and has improved the reliability and operating safety of drainage.