42results about How to "Avoid affecting life" patented technology

The invention discloses a self-puncturing connection structure of a pole and an adapter plate for a lithium battery and the lithium battery. According to the scheme, a self-locking riveting structure of metal cold connection is formed between the pole and the adapter plate based on a self-puncturing form. According to the scheme provided by the invention, the self-locking riveting structure of metal cold connection is adopted between the pole and the adapter plate, so that the requirement on the cleanliness of the surface of a part is effectively reduced, and metal foreign matters are not generated in the connection process, so that the service life, safety and other performances of the lithium battery are prevented from being influenced.

The invention relates to the technical field of mining coal crushing, in particular to a mining coal crushing device convenient to clean. According to the mining coal crushing device convenient to clean, the crushing wheel can be cleaned in time in the crushing process, and the crushing efficiency and the service life of equipment are prevented from being affected. A mining coal crushing device convenient to clean comprises a base, a middle frame, a top frame and the like, the middle frame is connected to the upper portion of the base, and the top frame is connected to the upper side of the middle frame. When a crank wheel rotates, a vertical rail is pushed to move left and right on a guide block, so that a traction rope moves left and right, a rope wheel supports and guides the traction rope, and when the traction rope moves left and right, a sliding block is driven to move left and right, so that the sliding block extrudes a bulge of a plate brush, a compression spring is stretched, and the plate brush is close to a crushing wheel; and the crushing wheel is in contact with the scrubbing brush when rotating, so that the effects that the crushing wheel can be cleaned in time in the crushing process, and the crushing efficiency and the service life of equipment are prevented from being influenced are achieved.

The utility model belongs to the technical field of deep-hole milling cutters, particularly relates to a composite-edge deep-hole milling cutter for machining an automobile crankshaft, and solves the problems that a cutting edge is abraded in a long-time use process, and the cutting edge, a tool bit and a tool bar are of an integrated connecting structure, so that the tool bit and the tool bar need to be replaced together when the cutting edge is replaced, and the machining cost is reduced. According to the technical scheme, the cutter comprises a cutter root base, a first cutter root is fixedly installed at the upper end of the cutter root base, a first cutter bar is fixedly connected to the upper portion of the first cutter root, a center shaft is fixedly arranged in the center of the first cutter root, and a cutting tool bit is installed at the upper end of the first cutter bar in a threaded mode; a tool bit mounting groove is formed in the connecting position of the first tool bar and the cutting tool bit, the tool bit mounting groove is located in the center of the first tool bar, and a tool bit connecting block is fixedly connected to the connecting position of the cutting tool bit and the first tool bar. The whole tool bit and the whole tool bar do not need to be replaced, so that the cost of a user is greatly reduced.

The utility model relates to the technical field of feeding, in particular to a feeding mechanism and an injection molding device, which comprises a control device, a vortex fan is fixedly mounted right behind the control device, and a Roots fan is arranged beside the vortex fan; a dust removal frame is installed in the dust removal barrel, one side of the dust removal barrel is connected with a vacuum material cup, and the lower end of the vacuum material cup is connected with an injection molding device; the vacuum material cup has the beneficial effects that the control device can be operated to drive the vortex fan or the Roots blower to extract air from the vacuum material cup, so that negative pressure is generated in the vacuum material cup, the vortex fan can be started in a short-distance and low-air-pressure conveying occasion, and the Roots blower can be started for conveying in an opposite conveying occasion; and the dust removal barrel arranged between the vacuum material cup and the fan can filter air during air extraction, so that the problems that impurities enter the fan in the air extraction process, fan blades are abraded or blocked due to long-time accumulation, and the overall service life is affected are avoided, and the problem that the impurities enter the fan to damage the fan is solved.

The utility model relates to the technical field of metal processing, in particular to a grinding and polishing device for composite copper strip processing, which is characterized in that a plurality of limiting grooves are formed in the upper surface of a base, and a plurality of sliding grooves are formed in the side surface of the base; a hydraulic push rod is arranged on the upper shell; the copper strip polishing device has the beneficial effects that the connecting frame is pulled upwards, the copper strip body penetrates through the lower portion of the brush head, the connecting frame is released, the spring contracts and pulls the sliding block to move downwards along the sliding groove, the connecting frame and the brush head move downwards and are tightly attached to the upper surface of the copper strip body, and the hydraulic push rod is started to push the polishing plate to a proper position; a second motor is started to drive a polishing plate to polish and grind the copper strip body, a first motor is started to enable a conveying roller to rotate to drive the copper strip body to move, and a brush head can sweep away impurities and dust on the surface of the copper strip body when the copper strip body moves; impurities on the upper surface of the copper strip body are prevented from damaging the polishing plate to affect the service life of the device and the polishing effect on the copper strip body, use by workers is facilitated, and practicability is high.

A flat motor disclosed by the present invention comprises a stator assembly and a rotor assembly located at the inner side of the stator assembly, the rotor assembly comprises a rotor reel, the rotor assembly further comprises a heat dissipation fan, the heat dissipation fan is located at the axial side of the rotor reel, the heat dissipation fan comprises a mounting ring, and the mounting ring is located at the axial side of the rotor reel. One side of the mounting ring is provided with a plurality of mounting parts, the plurality of mounting parts are arranged in the circumferential direction of the rotor winding frame, the plurality of mounting parts are connected with the rotor winding frame in an inserted mode, the other side of the mounting ring is provided with a plurality of fan blades, and the plurality of fan blades are arranged in the circumferential direction of the rotor winding frame. According to the flat motor, the heat dissipation capability can be improved, so that the torque and the power of the flat motor are improved, the use requirement is met, and meanwhile, the influence on the service life of the flat motor is reduced.

The utility model discloses cleaning equipment for conveying viscous organic fertilizer, relates to the technical field of agricultural mechanical equipment, and aims to solve the problems that raw materials are adhered, the load and the power consumption are increased and a conveying belt is rotten in the viscous organic fertilizer conveying equipment in the prior art. According to the technical key points, the device comprises a conveying device, and the conveying device comprises a conveying belt and fixed side tables arranged on the two sides of the conveying belt; the equipment further comprises a rinsing assembly, a cleaning assembly, a flushing assembly and a blow-drying assembly which are detachably installed on the fixed side table in sequence. The rinsing assembly is arranged to be matched with the cleaning assembly and the flushing assembly, so that the conveying belt can be effectively cleaned, the situation that loads and power consumption of the conveying belt are increased due to adhesion of raw materials is avoided, and electric energy is effectively saved; a blow-drying assembly is further arranged at the tail end of the conveying belt, the washed conveying belt can be effectively blow-dried, and the service life of the conveying belt is guaranteed; the equipment is convenient to disassemble, practical and convenient.

The invention discloses a system and method for blending combustion of multi-element clean fuel in a coal-fired circulating fluidized bed, and belongs to the technical field of fuel combustion. Biomass is fed into the hearth from the coal feeding opening and the secondary air opening, the combustion uniformity and the combustion efficiency are improved, and the range of a reduction area is enlarged. Two layers of hydrogen feeding ports are formed in the side wall of the hearth, so that the combustion stability and uniformity are enhanced; and a hydrogen feeding port is formed in the horizontal flue, so that the temperature of tail flue gas is increased, and low-temperature corrosion is avoided. The tail flue gas recirculation is utilized to avoid overtemperature coking in a dense-phase region, and the generation of nitrogen oxides at high temperature is inhibited. Moisture in tail smoke is recycled and sent to the washing device, the moisture content in the smoke is reduced, and the problems of ash deposition, slag bonding and corrosion are solved.

This utility model relates to the field of industrial cooling fan technology, and more particularly to an industrial cooling fan suitable for frequency converters. This utility model provides such an industrial cooling fan for frequency converters, including a support frame, rotating blades, an isolation plate, screws, a fixed frame, and a motor. The rotating blades are rotatably mounted inside the support frame. An isolation plate is installed on the front side of the support frame by multiple screws. A fixed frame is fixedly connected to the rear side of the support frame, and the motor is mounted on the fixed frame. A receiver transmits signals to a controller, which analyzes the signals and outputs corresponding control commands to drive the motor, causing it to run at the required specific speed. The motor's operation drives the rotating blades to rotate at high speed within the support frame. The rotation of the rotating blades generates directional airflow, which is forced onto the frequency converter body, achieving efficient forced air cooling and effectively reducing the frequency converter's operating temperature, improving its operational stability and service life.

The utility model discloses a heat dissipation structure, a circuit module and an air conditioner outdoor unit, the heat dissipation structure is used for heat dissipation of the circuit module, the heat dissipation structure comprises a heat dissipation device and a support, one side of the heat dissipation device forms an uneven heat conduction surface, and the heat conduction surface is used for being attached to an electronic component assembly in the circuit module to be subjected to heat dissipation. The support is used for being connected between a circuit board and a heat dissipation device in a circuit module to be cooled, the support is provided with a frame used for surrounding an electronic component assembly, the frame is provided with long holes used for heat dissipation, one side of the frame is used for being attached to the circuit board, and the other side of the frame is matched with and attached to a heat conduction face of the heat dissipation device in shape. Winged insects can be prevented from entering the support, the electronic component assembly is prevented from being damaged by the winged insects, and the long holes in the support are beneficial to heat dissipation of the electronic component assembly.

The invention discloses a dry denitration method and device for low-flue-gas-flow high-concentration NOx flue gas, and the method comprises the following steps: introducing flue gas into a pipeline, arranging a reserved catalyst layer at the initial end of the pipeline, arranging multiple stages of catalyst layers in the pipeline at the rear end of the reserved catalyst layer, arranging ammonia spraying grids on the reserved catalyst layer and the multiple stages of catalyst layers, and spraying ammonia on the ammonia spraying grids. Heat exchangers are arranged at the rear ends of other catalyst layers except the last stage; when the flue gas enters the pipeline, the flue gas is heated to a reaction temperature at the inlet of the pipeline, ammonia gas is sprayed out through the ammonia spraying grid, so that the flue gas and the ammonia gas are subjected to a multi-stage reaction under the action of a catalyst when passing through the reserved catalyst layer and the multi-stage catalyst layer, and during the period, the heat exchanger is used for heat exchange and temperature control to maintain each stage of reaction temperature at the reaction temperature, so that denitration is realized. The method has the characteristics of high denitration efficiency, low ammonia consumption, simple equipment, controllable system temperature, no wastewater generation and the like.

The invention relates to the technical field of semiconductor manufacturing, and discloses a rapid temperature adjusting and cooling system for an electrostatic chuck (ESC), which comprises a cooling liquid management module, a low-temperature cooler is connected through a low-temperature cooling unit, a temperature monitor is arranged in the low-temperature cooler, and temperature data of cooling liquid in the low-temperature cooler is monitored in real time; a normal-temperature cooling unit is connected with a normal-temperature cooler, a temperature monitor is arranged in the normal-temperature cooler to monitor temperature data of cooling liquid in the normal-temperature cooler in real time, and a mixing adjusting module is connected with a mixing cavity to receive cooling liquid from the low-temperature cooler and the normal-temperature cooler and mix the cooling liquid. The intelligent control module is connected with the mixing adjusting module, deploys a temperature monitor, monitors temperature data of cooling liquid in a mixing chamber, calculates a temperature demand difference and then outputs a control instruction to adjust the temperature of the cooling liquid in the mixing chamber according to a calculation result, and the operation execution module takes an electrostatic chuck (ESC) as a carrier, receives the mixed cooling liquid and sends the mixed cooling liquid to the mixing adjusting module. And the etching operation and the Decuck operation are executed.

The invention provides a brush roller shaft head sealing and waterproof internal circulation structure, which belongs to the technical field of glass cleaning and comprises a brush roller assembly, a water bucket and a water diversion trough. The brush roller assembly comprises a brush roller, a clamping plate and a sealing ring. At least two clamping plates are respectively sleeved on the shaft heads at both ends of the brush roller. The bell mouths of at least two sealing rings are relatively sleeved on the shaft heads and are located on both sides of the clamping plates. The bell mouth of the inner sealing ring is tightly against the clamping plate, and there is a gap between the bell mouth of the outer sealing ring and the clamping plate. The water diversion trough is fixed on both sides of the water bucket. The width of the water diversion trough is greater than the distance of the gap. At least two clamping plates are respectively sleeved on the shaft heads. The bell mouths of at least two sealing rings are relatively sleeved on the shaft heads. The bell mouth of the inner sealing ring is tightly against the clamping plate, and there is a gap between the bell mouth of the outer sealing ring and the clamping plate. The bell mouth of the outer sealing ring will introduce water flowing into the shaft head into the water diversion trough along the inclined surface of the bell mouth, so as to prevent water thrown out by the high-speed rotation of the brush roller from flowing along the shaft head to the components outside the water bucket.

The invention provides precise punching machining equipment for steel structure manufacturing, and relates to the technical field of steel structure manufacturing, the precise punching machining equipment comprises a punching table, a fixing cylinder is fixedly mounted on the punching table, limiting grooves are uniformly formed in the side wall of the fixing cylinder, a U-shaped frame is fixedly mounted on the punching table and the fixing cylinder, and an inner groove is formed in the U-shaped frame; two blocking pieces are symmetrically and fixedly installed at the lower end of the U-shaped frame, a hydraulic oil cylinder is fixedly installed at the upper end of the punching table, an electric telescopic rod is installed at the output end of the hydraulic oil cylinder, and a positioning mechanism is fixedly installed on the side wall of the electric telescopic rod. The positioning mechanism comprises L-shaped rods, the four L-shaped rods are evenly and fixedly installed on the side wall of the electric telescopic rod, and the two L-shaped rods located in the front-back direction are slidably installed in the two inner grooves, so that the equipment does not need to be fixed firstly when punching a steel structure workpiece, fixing can be completed in the punching process, the preparation time is saved, continuous machining can be achieved, and the punching efficiency is improved. And the production efficiency is greatly improved.

The utility model discloses a carbon dioxide gas shielded welding machine which comprises a frame, idler wheels symmetrically arranged below the frame, a pushing handle arranged at one end above the frame, a box body arranged above the frame, a welding gun arranged on one side of the box body in a matched mode, a heat dissipation device arranged above the box body, a cooling device arranged above the heat dissipation device and a clamping device arranged at one end above the frame. The clamping device comprises a clamping fixing plate fixedly installed at one end of the upper portion of the frame, clamping sliding rails are symmetrically arranged on the two sides of the clamping fixing plate, clamping motors are arranged at one ends of the clamping sliding rails, clamping threaded rods are arranged at the output ends of the clamping motors, clamping sliding plates are symmetrically arranged on the surfaces of the clamping threaded rods in a threaded mode, and clamping telescopic rods are arranged at one ends of the clamping sliding plates. Clamping arc plates are arranged at one ends of the clamping telescopic rods, a buffer device is arranged above the frame, carbon dioxide gas cylinders are arranged above the buffer device, and through mutual cooperation of the structures, the purposes that the box body can be cooled, and the carbon dioxide gas cylinders of different specifications can be conveniently fixed are achieved.

This invention provides a horizontal broaching machine for machining end face teeth, comprising: a base, a fixture body, a bed, a broach, and a drive assembly. The bed is horizontally mounted on the base, and the fixture body is vertically mounted on the base and moved towards the bed via a sliding device. The broach is mounted on a side surface of the bed near the fixture body via the drive assembly and can be driven to move axially along the bed via the drive assembly. The drive assembly includes a drive motor, a guide rail, a drive screw, and a main slide plate. The main slide plate is mounted on the bed via the cooperation of the guide rail and the drive screw and can be controlled to move axially along the bed via the drive screw. This invention, through the integrated main slide plate structure and the cooperation of the guide rail and the drive screw, ensures the straightness of the broach's movement trajectory, reduces tooth pitch deviation, and improves machining accuracy.

This utility model discloses an anti-jamming screen cylinder structure for a feed primary cleaning screen, relating to the field of feed screening technology. The utility model includes a fixed cylinder, with a primary screening cylinder fixedly connected to one side inside the fixed cylinder. A loosening assembly is installed inside the primary screening cylinder, including a rotating rod disposed within the primary screening cylinder. This utility model utilizes the cooperation between the spiral conveying blades in the loosening assembly and the rotating rod, which, driven by a motor, continuously rotates, continuously conveying and dispersing the feed at the top of the primary screening cylinder upwards, effectively avoiding the problem of screen clogging caused by feed accumulation due to gravity. This dynamic loosening process significantly improves the flowability of the feed, ensuring continuous and efficient screening, and reducing the risk of jamming. The dust collection assembly, through the negative pressure generated by the suction fan, draws the dust generated during screening into the dust collection box via a dust collection hood and manifold. After the filter screen intercepts the dust, clean air is discharged.

The embodiment of the invention provides a pipeline machine, a water purifier and a control method thereof, the pipeline machine is provided with a purified water inlet and a water intake, the pipeline machine comprises a first water storage device, a first water level detection device, a first communication device and a first control module, the water inlet of the first water storage device is connected with the purified water inlet through a first water path, and the first water level detection device is connected with the first communication device through a second water path; the first water level detection device is arranged in the first water storage device, and a water outlet of the first water storage device is connected with the water intake; the first control module is electrically connected with the first water level detection device and the first communication device, and the first control module is used for sending a control signal to the water purifier through the first communication device according to the water level information in the first water storage device detected by the first water level detection device so as to control the water purifier to supply water. Therefore, intelligent interconnection between the pipeline machine and the water purifier is established, and the use experience of a user is remarkably improved. In addition, the connecting pipeline of the pipeline machine and the water purifier does not need to continuously bear pressure, so that the water leakage risk is reduced, and the service life is prolonged.

The utility model belongs to the field of tail gas treatment, and particularly discloses a tail gas filtering device for high-concentration compound fertilizer production, which comprises a main body, a base, flange pipes arranged on two sides of the top of the base, a filter arranged between the flange pipes, and breather pipes arranged at two ends of the filter, the dismounting and mounting mechanism comprises a sealing cylinder arranged between the flange pipe and the ventilation pipe, a movable plate arranged at the bottom of the sealing cylinder, an electromagnetic valve arranged on the flange pipe and a linear driving piece arranged between the movable plate and the base; the shielding mechanism comprises a shielding assembly arranged on the ventilation pipe and a reset assembly arranged on the shielding assembly; the filter and the flange pipe are connected together through the sealing cylinder, the filter can be automatically disassembled, assembled and replaced through the disassembling and assembling mechanism, manual disassembling and assembling are not needed, the disassembling and assembling steps are few, the disassembling and assembling speed is high, and personnel use is facilitated.

The utility model discloses a locating clamp for aluminum alloy automobile hub machining, and relates to the technical field of aluminum alloy automobile hub machining, the locating clamp comprises a clamp body, the clamp body comprises a machining table, supporting vertical plates are fixedly installed on the periphery of the bottom end of the machining table, a base is fixedly installed at the other ends of the supporting vertical plates, and the machining table is fixedly connected with the base. A positioning unit is arranged on the top of the machining table. The electric telescopic rod is sleeved with the folding protective cover, the top of the folding protective cover is fixed to the bottom end of the cylinder through the first connecting cylinder, the bottom of the folding protective cover is fixed to the base through the second connecting cylinder, and when the electric telescopic rod stretches out and draws back, the folding protective cover is unfolded or contracted to form a closed protective space; and the dustproof nets are arranged in the heat dissipation openings in the periphery of the first connecting cylinder and the periphery of the second connecting cylinder, heat generated during operation of the electric telescopic rod can be dissipated through air convection, the aluminum scraps and dust can be blocked, and the situation that the service life and the operation stability of equipment are affected is avoided.

The invention relates to the technical field of mechanical engineering, in particular to a hybrid power generator set manufacturing method which at least comprises the following steps: S1, starting a motor to decelerate and increase torque; s2, superposing the power of the disc generator, and reducing the torque of the magnetic suspension bearing; s3, power devices of various power sources are manufactured; s4, the inertia wheel magnetic line cuts the coil to generate power. The power generation technology is innovated and improved, the torque of the starting motor is increased through speed reduction, and the power generation efficiency is improved by adopting a magnetic coupling and the like; a magnetic suspension bearing and the like are used for reducing resistance; the power of the disk generator is superposed to adapt to different scenes; application scenes and fields can be expanded through networking combination; a unique safety shell and an adjustable inertia wheel are further arranged, inertia potential energy of earth gravity is utilized, a permanent magnet rotating magnetic field is ingeniously used for cutting adjacent inductance coils to generate electric energy, so that energy consumption of a driving module system is counteracted, and low-energy-consumption power generation becomes reality through the manufacturing method of the hybrid power generator set.

The invention discloses a camera self-cleaning system and a self-cleaning method thereof, and relates to the technical field of coal mine surveillance, real-time video stream data on the surface of a surveillance camera assembly is collected through dirt detection cameras and sent to a matched upper computer, and the dirt detection cameras are distributed on the outer side of the surveillance camera assembly; the image recognition and judgment module is used for acquiring image information of the surface of the monitoring camera component at the current moment from the real-time video stream data, and performing recognition and judgment to judge whether dirt exists on the surface of the monitoring camera component; when the image recognition and judgment module judges that dirt exists on the surface of the monitoring camera assembly, the upper computer sends an automatic cleaning signal to the camera self-cleaning device through the cleaning control module, and then the cleaning mechanism is controlled to automatically clean the surface of the monitoring camera assembly.

The utility model discloses a heat exchanger support frame, air conditioner indoor unit and air conditioner. Heat exchanger support frame includes support plate and fixed buckle, and support plate is equipped with a plurality of installation hole for the U type pipe of heat exchanger to penetrate, and fixed buckle is located the side of support plate away from heat exchanger, and fixed buckle is set to form the half surrounding structure of half surrounding U type pipe, and the hole wall of installation hole is equipped with open type opening on the side of bottom part close to support plate. The utility model relates to air conditioning technical field, provides a heat exchanger support frame, air conditioner indoor unit and air conditioner, can avoid condensate water accumulation in installation hole and influence equipment life.

The utility model belongs to the technical field of aerosol generation, and discloses an aerosol generation device. The aerosol generating device comprises a main body, a cover body and an elastic piece, wherein a mounting position is arranged on the main body; the cover body is rotationally connected to the main body and has a first state for shielding the mounting position and a second state for opening the mounting position; when the cover body is switched from the second state to the first state through external force, the elastic piece elastically deforms and stores elastic potential energy; the elastic piece is used for releasing the elastic potential energy and generating elastic recovery so as to drive the cover body to be switched from the first state to the second state. According to the utility model, the automatic opening operation of the cover body can be realized, the use experience of a user is improved, meanwhile, a slotted hole for installation can be avoided, the integrity and compactness of the structure are ensured, and the function expansion is facilitated.

The high-creeper voltage transformer comprises an epoxy insulator and a shell, the shell is sleeved on the epoxy insulator, a first umbrella skirt is arranged at the sleeve of the high-voltage end of the shell, and a second umbrella skirt is arranged at the low-voltage end of the shell, the first umbrella skirt is made of silicon rubber, and self-repairing capsules are arranged at positions, which are not more than 2 mm away from the surface, in the interiors of the first umbrella skirt and the second umbrella skirt, the self-repairing capsules comprise a capsule body, the capsule body contains a curing agent, the capsule body is a plastic film capsule body, the self-repairing capsules in the first umbrella skirt adopt a combined structure integrally formed with the first umbrella skirt, and the curing agent in the capsule body is a curing agent mixed with a volatile conductive solvent. Through the self-repairing capsules and the carbon nanotube heating film, after the sensor senses local discharge, the produced cracks and conductive channels can be repaired, further damage can be avoided, and the safety and stability are effectively improved.

The invention relates to the technical field of agricultural parking mechanisms, and particularly discloses a parking mechanism which comprises a brake component, the brake component comprises a brake cover, the front end of the brake cover is rotationally connected with a lifting rod, the inner wall of the brake cover is fixedly connected with a positioning shaft, the positioning shaft is rotationally connected with a pair of brake shoes, and a pair of brake pads are arranged on the brake shoes. A brake hub is further arranged in the brake cover. According to the parking mechanism, through rotation of the brake shoe, the flow blocking plate starts to rotate to form a closed channel, meanwhile, the pressing plate is pushed to ascend to abut against the blocking piece, the liquid pushing plate can start to rotate along with the brake hub, hydraulic oil is pushed, and the braking effect is achieved through hydraulic pressure before the brake pad does not act; therefore, the defect of braking lag of the brake pad is overcome, the brake pad can be matched subsequently to achieve the braking effect, and the situation that the service life of a friction plate is affected due to friction loss caused by the fact that friction force borne by the brake pad is too large is effectively avoided.

The utility model relates to the technical field of drying equipment, and discloses drying equipment for dry powder fracturing fluid resistance reducing agent production, which comprises a base, the left side and the right side of the upper part of the base are fixedly connected with support frames, the corresponding sides of the support frames are provided with drying rollers, the left end and the right end of the outer part of each drying roller are rotatably connected with outer cylinders, and the outer cylinders are rotatably connected with the drying rollers. A water pump is fixedly connected to the upper portion of the water tank, a water pumping pipe is fixedly connected to the input end of the water pump, one end of the water pumping pipe is fixedly connected to the interior of the water tank, a water conveying pipe is fixedly connected to the output end of the water pump, and a spraying part is fixedly connected to one end of the water conveying pipe; the spraying part is fixedly connected to the inner wall of the drying roller. According to the utility model, the uniformity and high efficiency of the drying process are ensured, the production efficiency is improved, the interior of the equipment is cleaned, and the influence of dirt accumulation on the product quality and the service life of the equipment is avoided.

The invention discloses a circuit breaker spring operating mechanism operation detection and adjustment device and method. The method comprises the steps that firstly, contact displacement data and closing spring pressure data are acquired; judging whether the contact displacement is in a normal range or not and whether the closing spring pressure reaches the bearable maximum value or not; and finally, the action time of the contact is compensated according to the judgment result of the data judgment module. According to the technical scheme, multiple times of adjustment of the closing spring are avoided while the operating characteristic measurement stability of the circuit breaker is ensured, the working efficiency is improved, and the service life of the mechanism is prolonged.

The water conservancy construction dustproof device comprises a water conservancy dustproof expandable support, the water conservancy dustproof expandable support comprises a square pipe, and the square pipe is of a square frame-shaped structure made of the square pipe. A semi-closed area capable of containing personnel for construction and provided with a spray head for spraying water mist can be formed in a construction area, so that in the construction process of the personnel, on one hand, dust is limited on the inner side of the water conservancy dustproof expandable support; and on the other hand, dust in the limited water conservancy dustproof expandable support can be more fully mixed with water mist sprayed out of the spray head, so that a better dust falling effect is achieved, a better dustproof effect is achieved, and the life of residents is prevented from being affected.

The invention provides a water electrolysis system and a control method. The system comprises an electrolytic bath, a hydrogen-water separation system and a hydrogen drainage system, the hydrogen-water separation system comprises a hydrogen discharge branch and a water distribution branch; the hydrogen discharge branch comprises a secondary pressure regulating valve, a primary pressure regulating valve and a hydrogen-water separator; the water distribution branch comprises a hydrogen-water separator and a hydrogen-water separator drain valve; the hydrogen drainage system comprises a water collecting branch and at least one pressurizing branch; the water collecting branch comprises a water collector; the pressurizing branch comprises a pressurizing valve, one end of the pressurizing valve is connected with the water collector through a pipeline, and the other end of the pressurizing valve is connected to the pipeline between the second-stage pressure regulating valve and the first-stage pressure regulating valve through a pipeline. The pressure of the whole system can be kept unchanged in the drainage process, system pressure fluctuation caused by action lag of the hydrogen side pressure regulating valve and the oxygen side pressure regulating valve is avoided, and the situation that the service life of the electrolytic cell is affected by pressure impact on the electrolytic cell is avoided.