2414results about How to "Play a buffer role" patented technology

The invention relates to the technical field of valves, and discloses a self-adaptive flow proportion stop valve which comprises a valve body, a valve rod, a valve rod, a valve rod and a valve rod. The liquid inlet pipe is used for introducing fluid into the stop valve, and the liquid inlet pipe is fixedly connected to the left side of the valve body; and the liquid outlet pipe is used for discharging the fluid from the stop valve. According to the stop valve self-adaptive to the flow proportion, the cutting mechanism is arranged, when liquid passes through the impeller, the impeller is driven to rotate clockwise, and the cutting column rotates reversely relative to the impeller, so that pressure fluctuation in the liquid flowing process can be effectively relieved, the water hammer effect or impact caused by sudden pressure change is reduced, and other assemblies in a system are protected; particularly, when the liquid flow is large or the flow speed is high, the rotating action of the cutting column rotating reversely relative to the impeller is beneficial to generating a resistance mechanism in the liquid flowing process, and the reverse power action can consume part of kinetic energy of the liquid, so that sudden pressure fluctuation possibly generated in the fluid is relieved.

The invention discloses an intelligent environmental sanitation information management device, which comprises a placement seat, a touch display screen, a main control circuit board and a detachable circuit board, and is characterized in that the main control circuit board is provided with a control chip, a first communication unit and a lithium battery pack, and the detachable circuit board is welded with a fingerprint identification module and a second communication unit; a bidirectional pushing assembly is arranged in the placing seat, and a side mounting hole is formed in the left side of the placing seat. The fingerprint identification module has the following advantages and effects: the fingerprint identification module is welded on the detachable circuit board, and the plug-in circuit board and the side mounting hole are detachably mounted, so that subsequent disassembly of the plug-in circuit board is facilitated, and repair or replacement after a fault occurs is facilitated; and through the arrangement of the bidirectional pushing assembly, the detachable circuit board can be locked, and the detachable circuit board can be pushed out of the side mounting hole or hidden in the placement seat.

The molecular sieve pressing structure of the nitrogen making machine comprises a tower body, a gas inlet end and a gas outlet end are arranged on the side wall of the bottom and the side wall of the top end of the tower body respectively, a feeding port and a discharging port are formed in the side wall of the top end and the side wall of the bottom end of the tower body respectively, and a bottom plate is fixedly connected to the inner wall of the bottom end of the tower body; a plurality of air holes are formed in the surface of the bottom plate, a plurality of mounting seats are fixedly connected to the inner wall of the tower body, a plurality of threaded holes are formed in each mounting seat, a bolt matched with each threaded hole is in threaded connection with the interior of each threaded hole, a top cover is mounted at the top of the tower body, and the top cover is fixedly connected with the top of the tower body. The top and the bottom of the top cover are fixedly connected with a mounting frame and a sealing block respectively, an air outlet end is arranged on the top cover, and a pressing mechanism is mounted on the mounting frame. The molecular sieves can be filled into the whole adsorption tower in a layered mode, all layers of molecular sieves can be fully pressed, and mechanical stress generated when a pressing mechanism is pressed can be effectively relieved.

The invention discloses heavy metal mine acid wastewater treatment equipment and method, and belongs to the technical field of wastewater treatment. The heavy metal mine acid wastewater treatment equipment comprises a slag screening barrel, a first treatment box is arranged outside one side of the slag screening barrel, a second treatment box is arranged outside one side of the first treatment box, a water collecting pipe is arranged at the top of the inner side of the slag screening barrel, and one end of the top of the water collecting pipe is in threaded connection with a guide table; the outer wall of the guide table is fixedly welded to the inner wall of the slag screening barrel, a screen is in threaded connection with one end of the bottom of the water collecting pipe, a first motor is in threaded connection with the center of the bottom of the screen, a scraper is fixed to the output end of the first motor, the outer wall of the scraper is attached to the inner wall of the screen, and a drain outlet is formed in one side of the screen. And a blow-off pipe is welded outside the blow-off port. The problems that in the prior art, slag cannot be filtered when acidic wastewater is treated, so that a filtering device is blocked by the slag, and meanwhile, the treatment effect of the acidic wastewater is affected are effectively solved.

The invention discloses a roller surface cleaning device and a working method thereof.The roller surface cleaning device comprises a mounting beam, the mounting beam is horizontally arranged on one side of a roller of a rolling mill in parallel, and the middle of the mounting beam is connected with a cleaning driving assembly through a first pin shaft seat; the two sets of pin shaft seats I and the two sets of cleaning driving assemblies are symmetrically arranged along the vertical central surface of the roller; the cleaning driving assembly comprises a linear driving unit, a swing arm, a scraping plate seat and a scraping plate, the linear driving unit is installed on a first pin shaft seat through a pin shaft, the swing arm is an L-shaped plate component, and the middle of the swing arm is connected to a supporting arm extending out of one side of the installation beam through a pin shaft; a working end pin shaft of the linear driving unit is connected with a swing arm; the other end of the swing arm is connected with a scraper through a scraper seat; the scraper is parallel to the roller, and the end, extending outwards, of the scraper can scrape the outer wall of the roller. According to the roller surface cleaning device, the swinging scraping plate is adopted for roller surface cleaning, the cleaning scraping force is convenient to adjust, constant pressure pushing is achieved, and the cleaning quality is improved.

A first clamping rod and a second clamping rod are arranged on the two sides of a collecting assembly respectively, one end of a supporting assembly is provided with a supporting frame used for supporting a steering gear, and the other end of the supporting assembly is movably connected with a rack so that the supporting assembly can drive the steering gear to abut against the collecting assembly. The acquisition assembly is provided with a vibration sensor, and the force application assembly is provided with a bidirectional rotating motor used for driving an input shaft of the steering gear. The supporting assembly drives the steering gear to move towards the collecting assembly, after the steering gear abuts against the vibration sensor, the first driving piece drives the first clamping rod to abut against one end of a steering gear rotating shaft, the second driving piece drives the second clamping rod to abut against the other end of the steering gear rotating shaft, and the force applying assembly simulates a steering wheel and applies force to an input shaft of the steering gear. And the vibration sensor acquires vibration information of the steering gear, so that whether the steering gear is qualified or not can be tested, and the problem that abnormal sound is brought to the whole vehicle to affect the progress of a project is avoided.

The invention discloses an SMT board feeding machine with an overturning conveying mechanism, and relates to the technical field of PCB surface mounting, the SMT board feeding machine comprises a base and a fixed conveying mechanism, the top wall of the base is provided with a first conveying belt and a second conveying belt from left to right, the first conveying belt is provided with a size adjusting mechanism, and the second conveying belt is provided with a size adjusting mechanism; a feeding mechanism, a fixing mechanism, a first chip mounting station and a chip mounting auxiliary mechanism are sequentially arranged on the first conveying belt from left to right, and a discharging mechanism is arranged on the second conveying belt. The multiple fixed conveying mechanisms are synchronously adjusted through the first adjusting unit according to the front-back size of a to-be-machined PCB, the multiple fixed conveying mechanisms are synchronously adjusted through the second adjusting unit according to the left-right size of the to-be-machined PCB, and a buffering effect is achieved through cooperation of a discharging auxiliary plate and a discharging guide plate; the PCB is prevented from being collided and damaged in the blanking process, and the qualified rate of produced finished products is improved.

The invention provides a vehicle anti-collision device and method, a vehicle, electronic equipment and a medium, and the vehicle anti-collision method comprises the steps: obtaining a relative speed and a vehicle distance; establishing a relation function of the relative speed with respect to time, and determining that the derivative of the relation function at the current moment is the relative acceleration of the vehicle and the rear vehicle; determining a collision risk level of the vehicle according to the relative speed and the relative acceleration; when the collision risk grade is larger than or equal to a first threshold value and the vehicle distance is smaller than or equal to a second threshold value, the airbag is controlled to be opened, and the driving device is controlled to drive the supporting structure to be switched to the unfolded state. The collision risk of the vehicle and the rear vehicle can be automatically detected, the air bag is automatically opened and the supporting structure is unfolded when the collision risk is large, the buffering effect can be achieved, impact on a driver of the rear vehicle is reduced, and the safety of the driver is guaranteed.

The utility model relates to the technical field of material transferring equipment, and provides a crystal bar edge skin transferring trolley which comprises a trolley box, a plurality of material transferring devices, a plurality of material transferring devices, a plurality of material transferring devices and a plurality of material transferring devices. The limiting assemblies are vertically mounted in the grids and used for fixing and limiting the edge leather materials; and the buffering assembly is installed at the bottom of the carriage, located below the limiting assembly and used for supporting and protecting the bottoms of the edge leather materials. The first limiting seats and the second limiting seats are used in cooperation, the leftover materials can be fixed and limited, the stability of the leftover materials is improved, meanwhile, the buffering assemblies at the bottoms of the grids can absorb momentum generated when the leftover materials are inserted so as to achieve buffering, the bottoms of the leftover materials are supported and protected, and crushed materials generated by collision can be effectively reduced.

The embodiment of the utility model provides a packaging assembly for clothes processing equipment and a clothes processing system. The packaging assembly includes a packaging corner pad. And the packaging corner pad is a paper piece. The packaging corner pad comprises a supporting piece and a filling unit. Adjacent two of the left surface, the right surface, the front surface, and the rear surface of the laundry treating apparatus form a corner, and the support is disposed at at least one corner. A filling unit is arranged on the side, facing the clothes processing equipment and / or the side, deviating from the clothes processing equipment, of the supporting piece. According to the packaging assembly, on one hand, the packaging corner pads are arranged to be the paper pieces, and the packaging corner pads of the paper pieces are degradable, environmentally friendly and beneficial to environmental protection; and on the other hand, through cooperation of the supporting piece and the filling unit, the reliability of the packaging assembly is improved.

The utility model discloses a self-cleaning scraper for a side type scraper reclaimer, which comprises a case used for reclaiming materials from the side type scraper reclaimer. The cleaning device is used for self-cleaning the scraper; the buffer device is used for buffering the scraping plate; the inner surface of the rotating disc is fixedly connected with a rotating shaft, and the outer surface of the rotating disc is fixedly connected with a matching rod. The device is provided with a cleaning device, a guide rail drives a tooth block to slide, the tooth block drives a sliding rod to slide, the sliding rod drives a collision plate on a connecting block to slide, the collision plate collides with a material taking plate, the material taking plate vibrates, materials attached to the material taking plate fall off, the sliding rod drives an L-shaped plate to slide, and the L-shaped plate drives a brush to clean the inner wall of the material taking plate. Under the condition that extra power driving is not needed, the scraping plate can clean accumulated materials by itself, the situation that the load of the scraping plate is too large is avoided, and the self-cleaning purpose is achieved.

The utility model relates to the technical field of auxiliary positioning and guiding devices for dies, and provides an auxiliary positioning and guiding device for a progressive die, which comprises a base and a connecting plate arranged above the base. By arranging the buffer structure, the hydraulic rod can drive the connecting plate to move up and down when ascending and descending, the pressing plate can descend when the connecting plate descends, when the pressing plate descends to the top end of the lower die base, the pressing plate can press a casting at the top end of the lower die base in advance, then the connecting plate continues to descend, and the connecting rod and the clamping block can stretch out upwards through the groove; at the moment, the spring is in a compressed state and can play a buffering role on the connecting plate during stamping, so that vibration generated when the upper die base and the lower die base collide is reduced, the situation that the positions of a die casting and a die deviate due to vibration is avoided, and the device has the buffering and pre-pressing functions; and the working efficiency of the auxiliary positioning and guiding device for the progressive die in use is improved.

The invention belongs to the technical field of food processing and conveying devices, and particularly relates to automatic conveying equipment for ice cream production, which comprises a mounting frame, a mounting groove is formed in the front side of the mounting frame, a conveying belt is mounted in the mounting groove, and a plurality of U-shaped supporting plates are uniformly hinged to the front side of the belt part of the conveying belt. An opening of the supporting plate faces the periphery of the conveying belt, a strip-shaped limiting hole is formed in the supporting plate in a penetrating mode, and the front side of the limiting hole communicates with the front side of the supporting plate. Through the arrangement of the arch-shaped elastic piece, when the ice cream falls on the top of the supporting plate, due to the existence of the arch-shaped elastic piece, when the ice cream is in contact with the arch-shaped elastic piece, the arch-shaped elastic piece can deflect downwards under the pressure action of the ice cream, so that part of kinetic energy generated when the ice cream falls is converted into elastic potential energy of the arch-shaped elastic piece, and then the ice cream is buffered; and the ice cream with crispy skin is prevented from being damaged due to falling collision.

The invention relates to the technical field of logistics trays, and discloses logistics tray positioning equipment which comprises a tray body, a buffering mechanism is arranged at the bottom in the tray body, a positioning mechanism is arranged at the top of the buffering mechanism, a rotating mechanism is arranged at the bottom of the tray body, and the positioning mechanism comprises a positioning assembly and a limiting assembly. The positioning assembly is arranged at the top of the buffering mechanism, and the limiting assembly is arranged on the left side of the tray body. During use, through the positioning assembly, when goods need to be placed through the tray body and transported, the goods can be placed on the placing table, and the goods can be conveniently conveyed; the placing table can move downwards under the weight pressure of the goods, the rack can be driven to move in the moving process of the placing table, the rack drives the gear to rotate, the supporting column, the clamping plate and the limiting plate can be driven to rotate through the rotating rod under the action of the gear, and the supporting column and the clamping plate are located on the left side and the right side of the goods.

The invention provides a rotating shaft system forcing device. The rotating shaft system forcing device comprises a supporting unit and a radial force loading unit. The supporting unit comprises a bearing stand, a V-shaped block and a bearing sleeve unit, the bearing sleeve unit comprises a bearing sleeve and two double-row angular contact ball bearings, and the loading shaft is connected with the bearing sleeve through the two double-row angular contact ball bearings. The radial force loading unit comprises a jack, a radial supporting plate, a radial force sensor, a belleville spring and a double-end stud, the jack is installed on a bearing table of the supporting unit, the radial supporting plate is placed above the jack, the radial force sensor is installed on the upper surface of the radial supporting plate, the belleville spring is installed on the radial force sensor, and the double-end stud is installed on the radial supporting plate. The double-end stud penetrates through the radial force sensor and the belleville spring, one end of the double-end stud is connected with the radial supporting plate, and the other end of the double-end stud is connected with the lower surface of the V-shaped block. According to the application, the supporting unit and the radial force loading unit are arranged, so that the radial force is uniformly and stably applied to the loading shaft.

The utility model discloses an injection mold for producing automobile rubber parts. The injection mold comprises a base, a lower mold base arranged at the top of the base, a fixed mold connected with the top of the lower mold base, a cavity formed in the top of the fixed mold, a moving part for quickly stripping and a discharging part for protecting workers, the movable part comprises a mounting cavity formed in the fixed mold, a screw rod connected with the mounting cavity, a driving plate connected with the outer side of the screw rod, driving rods connected with the two sides of the top of the driving plate respectively, and a demolding plate connected with the tops of the driving rods. The injection mold solves the problems that although an existing injection mold can be used for producing and processing automobile rubber parts, the rubber parts are easily adhered into a mold cavity after being formed, so that the rubber parts are difficult to demold, and the rubber parts need to be manually taken out, so that risks are easily caused, and the practicability is insufficient.

The invention relates to a negative electrode material and a battery, the negative electrode material comprises an inner core and a coating layer located on at least part of the surface of the inner core, the inner core comprises a silicon material and a filling agent, the filling agent is distributed in the silicon material, the filling agent comprises a carbon material and metal nanoparticles, and the carbon material and the metal nanoparticles are distributed in the silicon material. The coating layer comprises a first layer and a second layer which are arranged in sequence, the first layer is distributed on at least part of the surface of the inner core, and the first layer comprises a carbon layer and metal nanowires distributed on the carbon layer; the second layer is distributed on at least part of the surface of the first layer. The negative electrode material provided by the invention can effectively inhibit the volume expansion of silicon, improve the electron transmission efficiency and ion transmission efficiency of the negative electrode material, and improve the cycle retention rate of the negative electrode material.

The invention relates to the technical field of ventilator dust removal, and discloses a spray type water film guide plate multi-stage centrifugal dust removal device and method.The device comprises a dust removal box, a surge-free dust removal centrifugal fan, a spray unit and a water film guide plate set, and the spray unit is arranged at an air inlet of the dust removal box in a sleeving mode for spray treatment; dust particles impact into the grooves of the water film guide plate group along the airflow direction under the action of inertia force and are mixed and gathered with water, and dust-water mixed liquid accelerates to flow downwards in the grooves to a flow collecting groove at the bottom of the dust removal box and is discharged under the action of gravity and dust gas velocity and parallel component of the grooves, so that the purpose of primary dust removal is achieved; and then the gas enters the centrifugal ventilator and rotates in the volute at a high speed, residual dust particles in the liquid and the gas are thrown to the inner wall of the volute main body at a high speed along the tangential direction of the airflow under the action of centrifugal inertia force and are discharged from the drainage pipes on the two sides of the outlet along the inner wall, so that the purpose of secondary dust removal is achieved, and the dust removal effect is improved.

The utility model discloses a steel pipe cable centralizing device for testing and transferring. The steel pipe cable centralizing device comprises a buffer assembly and a guide joint, the buffer assembly comprises a spring shaft, a spring, a connecting pin and a telescopic sleeve; a first shoulder is arranged on the outer wall of the spring shaft, a second shoulder is arranged on the outer wall of the telescopic sleeve, a sliding groove is formed in the position, below the second shoulder, of the telescopic sleeve, and the connecting pin penetrates through the sliding groove and is inserted into the outer wall of the spring shaft. The spring is arranged between the first shoulder and the second shoulder; the guide joint can be inserted into the lower end of the telescopic sleeve. The testing system can be reliably used for a long time, is convenient to use, provides guarantee for smoothly testing and adjusting the water well, and has remarkable economic benefits.

The invention discloses a novel loader movable arm energy recovery and utilization system. Comprising an oil tank, a first one-way valve, a load-sensitive pump, a shuttle valve, a three-position four-way electromagnetic directional valve, a second one-way valve, a movable arm hydraulic cylinder, a first two-position two-way electromagnetic directional valve, a second two-position two-way electromagnetic directional valve, a hydraulic motor, a hydraulic pump, a third one-way valve, a two-position three-way electromagnetic directional valve, a safety valve, an energy accumulator, a pressure gauge and a two-position three-way hydraulic directional valve. According to the system, different ways can be selected for energy recovery in the energy accumulator according to different operation modes of the loader. When the movable arm of the loading machine descends, oil in the rodless cavity of the movable arm hydraulic cylinder enters the energy accumulator to store energy. When the movable arm ascends, hydraulic oil in the energy accumulator is pushed by atmospheric pressure to enter a rodless cavity of the movable arm hydraulic cylinder to release energy. The energy recovery rate and utilization rate of the movable arm of the loader can be increased, and the adaptability to different operation modes is high.

The invention relates to the technical field of scooters, in particular to a folder and a scooter. The folder comprises a base, a folding main part, a trigger assembly and a buffer assembly. The folding main piece and the trigger assembly are both rotatably connected with the base, and the axis, rotating relative to the base, of the folding main piece is parallel to the axis, rotating relative to the base, of the trigger assembly. The buffering assembly is connected with the folding main piece and the trigger assembly and used for limiting rotation of the folding main piece towards the side away from the trigger assembly relative to the base. Wherein the folder has an initial state in which the folding main part, the trigger assembly and the base are folded, and a folding state in which the folding main part rotates towards one side deviating from the trigger assembly relative to the base. The folding device can play a role in buffering in the folding process of the scooter, so that the impact force in the folding process is prevented from being too large, a user and the structure of the scooter can be protected, and the use and maintenance cost can be effectively reduced.

The invention discloses shaping saw cutting equipment for concrete performance test, which comprises a base and a saw blade, the top end of the base is provided with a saw cutting table, the base is internally provided with a driving mechanism, the saw cutting table is used for mounting a test block, and the driving mechanism is used for driving the saw blade to operate and the saw cutting table to move; a limiting plate and a push plate are arranged on one side of the top end of the base and the other side of the top end of the sawing table respectively. According to the autoclaved aerated concrete test block sawing device, an autoclaved aerated concrete test block can be clamped through the push plate and the limiting plate and then is sawn, and due to the fact that the position of the limiting plate can be adjusted, the relative position between the test block and a saw blade can be conveniently adjusted, and then shaping sawing on the test block is facilitated; and the original manual propulsion can be replaced by the cooperation of a mechanical structure, so that not only can the influence of dust and fine particles generated by sawing on workers be avoided, but also the uniformity and the stability of the movement of the test block can be ensured, and the effect and the efficiency during sawing are ensured.

The invention relates to the field of medical trachea cannulas, in particular to an anti-slip trachea cannula which comprises an anti-slip cannula mechanism, the anti-slip cannula mechanism comprises a first hose, an elastic tube is fixedly connected to the center of the outer wall of the first hose, and a first ring frame is fixedly connected to the position, close to one end, of the outer wall of the first hose; an inserting pipe is fixedly connected to the outer wall of one end of the first hose, and two limiting rods are fixedly connected to the outer wall of the inserting pipe at equal angles; the expansion limiting mechanism is fixed to the position, close to one end, of the first hose and can limit the end, inserted into the trachea, of the first hose. And the guiding and supporting mechanism is detachably connected to the interior of the first hose and can play a role in supporting and guiding the hose. According to the tracheal catheter, the guiding function can be achieved through the guiding and supporting mechanism, the supporting function and the limiting function on the third ring frame and the elastic tube can also be achieved, the first hose is made of soft materials, a doctor cannot conveniently insert the first hose into the trachea, and the operation convenience is effectively improved.

The invention discloses a screening device based on industrial silicon ingot production and a using method, and relates to the technical field of industrial silicon ingot production, in particular to the screening device based on industrial silicon ingot production and the using method, the screening device comprises a screening assembly, and the top of the screening assembly is sequentially provided with a dust collection assembly and a feeding assembly from left to right; a screen assembly is installed on the inner wall of the screening assembly, and fixing assemblies are installed at the front end and the rear end of the screening assembly correspondingly. The dust collection assembly comprises a first L-shaped plate and a connecting rod. According to the screening device for industrial silicon ingot production, when the screening device is used, the discharging speed of the feeding hopper to the screen can be adjusted, the use applicability of the screening device is improved, raw material dust raised due to vibration can be sucked and recycled, the situation that the dust is raised to enter air and pollutes the air is avoided, and the screening device is suitable for industrial production. And the screens with different apertures can be quickly replaced according to screening requirements.

The utility model relates to the field of automobile glass lifters, and discloses an automobile glass lifter motor capable of preventing worm gear shaving, which comprises a lifter main body, the right side of the lifter main body is provided with an installation assembly, the right side of the installation assembly is detachably provided with an installation plate, and the right side of the installation plate is fixedly connected with a motor main body. The top of the motor body is provided with a buffer assembly, the mounting assembly comprises a fixing plate, the top of the fixing plate is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a mounting buckle, the left side of the mounting buckle is hinged to a hinge rod, the left end of the hinge rod is hinged to a movable block, and the buffer assembly comprises a buffer plate. And a through hole penetrates through the top of the buffer plate. According to the utility model, the installation assembly is arranged, the threaded rod is rotated to drive the installation buckles to slide along the inner walls of the sliding grooves, and the positions of the two sets of installation buckles are adjusted, so that the elevator motor is suitable for motors of different models, and the application range of the elevator motor is widened.

The invention discloses a moistureproof and shockproof electrical cabinet, and relates to the technical field of electrical cabinets, the moistureproof and shockproof electrical cabinet comprises an electrical cabinet body and a moistureproof assembly, the front side of the electrical cabinet body is connected with a protective cabinet door through a hinge, and the moistureproof assembly is arranged on the surface of the electrical cabinet body. The moisture-proof assembly comprises a ventilation fan, a connecting cylinder, a dustproof net disc, a water absorption cotton disc, a ventilation pipe, moisture absorption cotton, a containing cavity, a ventilation opening and a storage drawer, the ventilation fan is arranged on the right side of the electrical cabinet body, the connecting cylinder is installed on the right surface of the ventilation fan, the connecting cylinder and the ventilation fan are of an integrated structure, and the dustproof net disc is arranged at the right end of the inner side of the connecting cylinder. A water absorption cotton disc is installed at the left end of the inner side of the connecting cylinder. According to the moisture-proof and shock-proof electrical cabinet, through the moisture-proof assembly, the interior of the electrical cabinet can be kept dry through continuous ventilation and the auxiliary effect of a drying agent, the situation that internal components are damaged due to the fact that the interior is affected with damp is prevented, and through the shock-proof assembly, the overall shock-proof performance of the electrical cabinet can be improved through multiple shock-proof mechanisms.

The invention discloses a distributed photovoltaic power station grid-connected protection device, and relates to the technical field of power system protection and control, the distributed photovoltaic power station grid-connected protection device comprises a base, and an adjusting device, a protection device and a supporting device are arranged above the base; wherein the adjusting device comprises a first rotating motor, a sliding groove plate, a sliding block, a fixing column, a lead screw, a supporting rod, a first connecting block, a fixing rod, a second connecting block, a mounting plate, a photovoltaic panel, a roller shutter protection plate, a sliding groove block, a receiver and a second rotating motor, the angle of the photovoltaic panel is adjusted by arranging the adjusting device, and the angle of the photovoltaic panel is adjusted by adjusting the angle of the photovoltaic panel; according to the solar photovoltaic power generation device, the shade can better face the sun, the illumination absorption is maximized, the power generation efficiency is improved, meanwhile, the photovoltaic panel is protected, and under the conditions of hail, strong wind or extreme weather, the shade can provide additional protection for the photovoltaic panel, and erosion of natural factors such as wind and sand to the photovoltaic panel is reduced.

The utility model provides a water conservancy project protection slope, which relates to the technical field of water conservancy projects and comprises a base, a fixing groove is formed in the top of the base, an angle adjusting device is arranged in the fixing groove, and three first fixing plate grooves are formed in one end of the top of the base at equal intervals. The interiors of the three first fixing plate grooves are movably connected with connecting blocks, and one ends of the three connecting blocks are provided with buffering devices. According to the water conservancy project protection device, during water conservancy project construction, fastening bolts are used for fixing the device on the ground beside a river channel needing to be protected through the fixing grooves in the two sides, and when the water conservancy project is protected, the forward and reverse motors are electrically connected with an external controller and an external power source; a forward and reverse motor is started through an external controller to drive a threaded rod to move in the direction of a guide rod while driving a movable rod and a second fixing plate groove to move in the direction of the guide rod.

The utility model relates to the technical field of hot presses, in particular to a motor coil hot pressing device which comprises a base, a top plate fixed at the top end of the base through a plurality of supporting rods and a pressing plate arranged between the base and the top plate in an up-down moving mode through a lifting piece. Two limiting rods are movably arranged on the two sides of the top end of the base through linear driving pieces, the linear driving pieces are used for adjusting the distance between the two limiting rods, and two connecting rods are movably arranged in the limiting rods through adjusting mechanisms along the two sides perpendicular to the moving direction of the limiting rods. The two connecting rods extend to the outside of the limiting rod and are fixedly provided with inner supporting rods, the inner supporting rods are vertically fixed to the top ends of the connecting rods, the adjusting mechanism is used for synchronously adjusting the lengths of the parts, extending to the outside of the limiting rod, of the two connecting rods, coils of different specifications can be internally supported and positioned before hot pressing, coil deformation in the hot pressing process is avoided, and the hot pressing quality is improved. The product quality is improved.

The utility model relates to the technical field of electromagnetic shielding cabinets, and discloses an electromagnetic shielding device, which comprises a cabinet body, a front cabinet door, a rear cabinet door, a placement frame, a heat dissipation mechanism, a mounting frame, a buffer assembly and a limiting assembly, and is characterized in that the front side of the cabinet body is hinged with the front cabinet door through a hinge, and the rear side of the cabinet body is hinged with the rear cabinet door through a hinge; the placement frame is fixedly installed in the cabinet body, the heat dissipation mechanisms are arranged on the side faces of the front cabinet door and the rear cabinet door, the left side and the right side of the cabinet body are each provided with an installation frame, the side faces of the installation frames are provided with detachable buffer assemblies, and the limiting assemblies are arranged in the installation frames. And a buffering effect can be achieved, and a worker can replace the buffering assembly conveniently. Once the elasticity of a buffer spring or an air bag of the buffer assembly is weakened, the buffer assembly can be replaced so as to ensure that the buffer assembly can play an effective buffer role and further play a role in protecting electronic equipment in the cabinet.