176results about How to "Reduce inhalation" patented technology

The invention relates to the technical field of steel gate machining, in particular to an electric arc welding device for a steel gate limited space, which comprises a base and an electric arc welding gun, the lower end of the base is movably provided with a transverse sliding seat through a transverse moving mechanism, and the upper end of the transverse sliding seat is fixedly connected with a portal frame penetrating through the base. According to the steel gate automatic welding device, the whole steel gate automatic welding device is mainly composed of the base, the transverse moving base, the longitudinal sliding table, the lifting rack, the four electric arc welding guns, the adjusting mechanism and the electric control part, automatic welding operation of the steel gate limited space can be achieved, and compared with original manual welding operation, the efficiency is improved by two times to four times; and meanwhile, an operator only needs to stand in front of the numerical control terminal for operation in the whole welding process, the safety problems of head congestion and dizziness, limb imbalance falling, welding smoke inhalation, welding smoke fumigation and the like during actual welding operation of the operator are avoided, and therefore the efficiency, safety and stability of welding operation of the steel gate in the limited space are improved.

The invention discloses an industrial mixed grease chloride ion removal device and method, and relates to the technical field of grease treatment.The industrial mixed grease chloride ion removal device comprises a material mixing tank, a pretreatment mechanism and a material mixing assembly, the pretreatment mechanism comprises a rotating roller and a servo motor, a cylinder is fixedly installed on the outer circle face of the rotating roller through a support, and material leakage holes are formed in the outer circle face of the cylinder; a cover plate is fixedly installed at the position, close to the bottom end, of the outer circle face of the cylinder, a right-angle shifting rod is fixedly installed at the edge of the bottom end of the cylinder, and a cleaning assembly is installed at the position, close to the cylinder, of the top of an inner cavity of the mixing tank; the top and the bottom of the round rod are fixedly provided with a receiving hopper and a scraper respectively, the edge of the top of the receiving hopper is fixedly provided with stress teeth, and the top of the scraper is provided with a swing module. According to the device and the method for removing chloride ions in industrial mixed grease, a pretreatment effect is achieved, pretreatment can be carried out, uniform mixing is realized, and chloride ion removal is promoted.

The invention discloses a polishing process for a door plate of a control cabinet. The polishing process comprises the steps of abrasive paper mounting, parameter setting, workpiece checking and fixing, polishing track setting, polishing, cleaning and detecting. The grinding device has the advantages that the movement track is set for the grinding mechanical arm, the grinding machine arranged at the end of the grinding mechanical arm is used for grinding operation, physical strength expenditure of grinding operators is reduced, labor intensity is lowered, rough grinding, accurate grinding and polishing can be completed at a time through the grinding mechanical arm, working efficiency is improved, frequent equipment replacement is avoided, and production cost is reduced. In addition, a polishing worker does not need to hold a polishing machine to directly contact with a workpiece for polishing, suction of polishing dust is reduced, the probability of occupational diseases is reduced, standardization of polishing operation is guaranteed through a fixing tool, consistency of surface treatment of the door sheet is guaranteed, the whole process guarantees high efficiency, safety and standardization of production, product quality is improved, and the production cost is reduced. The cost is reduced.

The invention discloses machining equipment of a special electromagnetic wire for a large transformer, and relates to the electromagnetic wire machining technology. A bottom plate is fixedly connected to the top of a base. A feeding component is arranged, a wire coil is installed on a rotating frame, one end of a wire penetrates through a circular plate, and a first motor is turned on to drive the wire coil to rotate; the rotating frame is driven by the output end of the first motor to rotate at the top of the fixing base, so that the rotating frame drives the wire coil to conduct discharging work, meanwhile, the wire continuously passes through the circular plate to make contact with the arc-shaped frame, and meanwhile, the balls are arranged on the arc-shaped frame, so that when the wire penetrates through the circular plate to be fed, the wire coil is not prone to falling off. By arranging the arc-shaped frame, the situation that the wires are damaged due to the fact that large friction force is generated between the wires and the arc-shaped frame is avoided, rolling friction can be conducted on the wires and the balls through the balls, and therefore the friction force between the wires and the balls is reduced.

The utility model provides construction waste recycling equipment, and relates to the technical field of construction. Comprising a crushing box and two supports used for supporting the crushing box, the two supports are located on the front side and the rear side of the crushing box respectively, the top of the crushing box is provided with a feeding nozzle used for feeding, and the bottom of the crushing box is provided with a discharging nozzle used for discharging. According to the construction waste recycling equipment, dust generated by crushing construction waste in the crushing box is sucked through an upper dust suction box and a lower dust suction box on the dust suction mechanism, the dust is sucked into the dust suction box, filtered through an air suction head and then discharged through an exhaust pipe, and drifting of the dust generated when the construction waste is crushed by the crushing mechanism can be reduced; and through the arrangement of a first filter plate and a second filter plate, large particles can be filtered, the situation that large-size garbage is sucked into the upper dust suction box and the lower dust suction box is reduced, and the dust treatment effect of the dust suction mechanism is improved.

The invention provides an agricultural waste mulching film crushing and separating device and a separating method thereof, belongs to the technical field of agricultural production, and solves the technical problems that mulching films which are selected only through a vibrating screen in the prior art are still stained with more dirt such as soil, and follow-up recycling still needs to be treated. The agricultural waste mulching film crushing and separating device comprises a support and a mounting frame, supporting columns are fixed to the bottoms of the support and the mounting frame, a linear motor is fixed between the support and the mounting frame through bolts, two connecting plates are fixed to the output end of the linear motor, and a top plate is integrally formed at the tops of the two connecting plates; a clamping mechanism is arranged on the top plate, a blow-drying mechanism is arranged on the side face of the top plate, and a cleaning mechanism is arranged at the right position below the linear motor. The waste mulching film crusher has the advantages that the service life of the crusher body is prolonged, the crushing efficiency is improved, and secondary utilization raw materials formed by crushing waste mulching films are cleaner.

The invention provides an electronic oil gas recovery oil gun which comprises a sealing and pressure detection module used for sealing an oil filling port of an injected container and detecting the pressure value of a gas collecting hood in the oil filling process; and the control module is used for judging whether the injected object is provided with the vehicle-mounted refueling oil gas recovery system or not based on the pressure value of the gas collecting hood. According to the electronic oil gas recovery oil gun, a unique sealing structure is adopted, so that secondary oil gas recovery of a gas station is carried out in a relatively closed environment, air suction is effectively reduced, and the problem of excessive discharge caused by air suction of an underground oil tank is solved.

The invention provides a wastewater treatment device, and relates to the technical field of wastewater treatment equipment, the wastewater treatment device comprises a main water treatment box body, a wastewater discharge pipe, charging mixing pools and a clear water discharge pipe, the charging mixing pools are arranged on both sides of the upper part of the main water treatment box body, the wastewater discharge pipe is arranged on the upper part of the main water treatment box body, and the clear water discharge pipe is arranged on the lower part of the main water treatment box body. A middle partition plate is arranged in the middle of the inner side of the main water treatment box body, the interior of the main water treatment box body is divided into two independent side sedimentation tanks by the middle partition plate, transverse water blocking plates are arranged on the inner sides of the side sedimentation tanks at intervals in an array mode, and longitudinal water blocking plates are fixedly arranged in the middles of the transverse water blocking plates. The first telescopic cylinder supports the wastewater discharge pipe to rotate to switch the feeding mixing pools for pouring wastewater, so that the two feeding mixing pools are used for mixing the wastewater in turn, the stop waiting time of the wastewater discharge pipe is shortened, and the problems that the wastewater pipe needs to be closed to wait for the completion of mixing of the wastewater, a certain waiting time is needed, and the wastewater treatment time is prolonged are solved.

The invention discloses a vertical activated carbon waste gas treatment device which comprises a tower body, a cleaning mechanism is arranged in the tower body, a water tank is arranged at the bottom of the tower body, supporting legs are fixedly connected to the bottom of the water tank, and two precise control proportion mechanisms are arranged on one side of the top face of the water tank. The bottom of the water tank is provided with a wastewater filtering treatment mechanism, the cleaning mechanism comprises a hydraulic rod and a brush, the hydraulic rod is arranged in the tower body, and the brush is fixedly connected to the output end of the hydraulic rod and used for cleaning dust on the surface of the limiting net. The working efficiency and safety are improved, accurate preparation of an acid solution is facilitated, so that the surface of the limiting net is effectively and rapidly cleaned, follow-up waste gas adsorption of activated carbon B to the maximum extent is facilitated, residues of pollutants in waste water can be effectively reduced, meanwhile, activated carbon A is convenient to replace, the durability of the system is improved, and the long-term operation efficiency of the whole system is improved.

The invention provides a method for increasing the calorific value of converter gas. The method comprises the following steps: S1) setting the distance between a movable smoke hood of a converter and a furnace mouth to be 50-100 mm from the lower limit; in the smelting process of the converter, after addition of scrap steel and molten iron is finished, an oxygen lance descends to start oxygen ignition for 20-30 s, then a movable smoke hood of the converter is adjusted to the lower limit, and the included angle of the oxygen lance ranges from 13 degrees to 15 degrees; (S2) in the oxygen supply blowing process of the converter, after ignition is normal, the oxygen pressure is adjusted to 0.80-0.95 MPa; the rotating speed of the dust removal fan is controlled by stages to ensure that the furnace mouth is at micro-positive pressure; s3, after converter smelting is completed, the hot slag is reserved in the converter, and lime is added in batches according to the slag remaining amount and the silicon content of molten iron. By adopting the measures in the converter process, the amount of CO2 generated by combustion of CO in converter gas is reduced, and the calorific value of the gas is increased.

The present invention relates to the technical field related to table fan driving devices, and discloses a driving device for a table fan with active heat regulation and dissipation, including a supporting rod fixedly mounted on the upper surface of the mounting base, a motor outer protective shell fixedly mounted on the top of the supporting rod, a driving device fixedly mounted inside the motor outer protective shell, the driving device including a front mounting plate, a driving motor housing fixedly mounted on the rear end of the front mounting plate, a rear cover guard plate fixedly mounted on the rear end of the driving motor housing, an equipment inner cavity being arranged inside the driving motor housing, and a driving main shaft being rotatably mounted on the middle surface of the front mounting plate; in the driving device for a table fan with active heat regulation and dissipation of the present invention, the speed of the heat dissipation blades at the rear end of the driving device is adjusted by adjusting gears, and this heat dissipation effect enables the circuit control board to more accurately control the operating temperature of the motor and surrounding electronic components.

The utility model discloses an anti-splashing environment-friendly special oil gun device for motorcycle refueling, which comprises an oil gas recovery refueling gun and an oil gas recovery device arranged at a gun nozzle of the oil gas recovery refueling gun, the oil gas recovery device comprises a fixed base and a gun nozzle jacket, one end of the gun nozzle jacket is connected with the fixed base, and the other end of the gun nozzle jacket is connected with the oil gas recovery refueling gun. A gun nozzle of the oil gas recovery oil gun is sleeved with the fixed base, the gun nozzle outer sleeve is tubular, a tube cavity is formed in the middle of the gun nozzle outer sleeve, a plurality of oil gas recovery holes are formed in the middle section of the gun nozzle outer sleeve and distributed at intervals in the circumferential direction, and a differential pressure balance hole is formed in the gun nozzle outer sleeve close to one end of the fixed base. The oil gas recovery hole and the differential pressure balance hole are both communicated with the pipe cavity. The device promotes oil gas recovery, reduces reverse spraying overflow or splashing in the refueling process, contributes to pollution reduction and air purification, protects the body health of staff, and greatly improves the benefits of enterprises.

The utility model relates to the technical field of plasma cutting, in particular to a steel structure plasma automatic cutting device which comprises a base used for supporting an upper structure. The device comprises a conveying assembly, a rotating block is arranged in the conveying assembly, two first clamping blocks are slidably connected into the rotating block, and the two first clamping blocks are symmetrically distributed in the rotating block with the rotating block as the central axis. The first electric push rod is driven to drive the first moving part to move so that the cutting head can be driven to move to cut steel, the second electric push rod is driven to drive the second moving part and the cutting head to descend to cut the steel, metal smoke can be generated during cutting, and the second moving part descends to drive the second box body to descend. And a fan in the second driving box body collects the metal smoke through a recovery opening, and a filter box filters and discharges the metal smoke, so that inhaled harmful gas can be reduced, and harm to the body is avoided.

The compressor gas-liquid separation air suction cavity structure comprises a shell, the upper end of the shell is connected with an exhaust pipe, the right side of the shell is connected with an air suction pipe, an inner cavity of the shell is divided into an upper cavity and a lower cavity through a first partition plate, and the upper cavity communicates with the lower cavity through a communicating vessel; the air inlet end of the air suction pipe is connected with a filter screen, the air outlet end of the air suction pipe is divided into a first air suction channel and a second air suction channel through a second partition plate, the bottom end of the communicating vessel is provided with a communicating channel communicated with the upper cavity and the lower cavity, and the bottom end of the communicating vessel is further provided with a blind cavity. According to the air suction cavity, the structures of the communicating vessel and the air suction pipe are improved, so that when refrigerant gas in a mixed state passes through the air suction cavity, a better gas-liquid separation effect is achieved, suction of liquid in an air cylinder is reduced, and therefore the performance of the compressor is improved, and the liquid impact risk is reduced.

The utility model relates to the technical field of structure welding devices, in particular to a steel structure welding tool which comprises an operation table, a plurality of supporting columns are arranged at the lower end of the operation table, a circulation opening is formed in the center of the operation table, a placement support is arranged at the upper end of the circulation opening, and a welding power source is arranged at the upper end of the placement support. A main controller is arranged in the middle of the welding power source, meanwhile, a connecting end is arranged at the lower end of the main controller, a welding head guiding device is arranged at the lower end of the connecting end, clamping devices are arranged on the two sides of the operation table, and meanwhile, a recycling box is arranged at the lower end of a circulation opening. The telescopic column is used for controlling the clamping arms to be tightened and loosened, friction between the clamping arms and a steel structure can be effectively increased through the friction faces arranged on the contact faces of the clamping arms, the circulation opening is formed in the welding position of the upper end of the operation table, the possibility that workers inhale the steel structure is reduced, and the safety of the workers is protected.

The utility model provides a hanging type air conditioner indoor unit which comprises a front volute tongue and a rear volute tongue. The rear volute tongue is arranged behind the front volute tongue; the indoor heat exchanger comprises a first-section heat exchanger, a second-section heat exchanger and a third-section heat exchanger, the bottom end of the first-section heat exchanger is lower than the top end of the front volute tongue; the distance between the bottom end of the first-section heat exchanger and the top end of the front volute tongue in the height direction of the main body is a third distance L3, the third distance L3 is larger than or equal to a fifth parameter value, and the fifth parameter value is 4 mm or 5 mm or 6 mm; the lower portion of the first-section heat exchanger is lower than the top end of the front volute tongue, so that air sucked by an indoor fan needs to be turned on the front side of the front volute tongue, air flow flowing through the first-section heat exchanger can be prevented from being horizontally sucked by the indoor fan, the air flow is prevented from directly rushing the first-section heat exchanger, and the wind resistance capacity of the air conditioner indoor unit is improved. Abnormal noise generated by filth blockage of the indoor unit of the air conditioner is reduced, meanwhile, airflow entering the first cavity is prevented from entering a gap between the indoor fan and the front volute tongue, and noise is reduced.

The present invention relates to an anti-vortex fountain pump, comprising a sleeve, wherein the sleeve is formed by an impeller installation pipe section, a motor installation pipe section, and a 90° bend pipe section in an integrated manner, and the water inlet end of the 90° bend pipe section is downwardly connected with a dispersed water inlet mechanism; a fountain motor is fixedly installed at the central axis position of the motor installation pipe section, the output shaft of the fountain motor extends to the impeller installation pipe section, and a plurality of corresponding impellers are fixedly installed on the output shaft of the fountain motor; a water inlet section is sealed and installed at the end of the output shaft of the fountain motor, and a corresponding flow guide cover is sealed and connected to the outer side of the water inlet end of the water inlet section, and one end of the flow guide cover not connected to the water inlet section is sealed and connected to the junction of the motor installation pipe section and the impeller installation pipe section; the flow cross-sectional area ratio of the 90° bend pipe section, the motor installation pipe section and the impeller water inlet is 14-15:9-10:3-4. The present invention can effectively adapt to shallow pool water and large flow rate without generating vortex.

The utility model discloses a writing board for teaching, and relates to the technical field of writing boards, the writing board comprises a main body and a dust removal mechanism, one side of the main body is provided with the dust removal mechanism, the dust removal mechanism effectively treats chalk dust surging after writing on the writing board is wiped, the probability that a user inhales the chalk dust is reduced, and a fan is started to drive air to flow; chalk dust enters the box body from the dust suction port, the dust filtering net reduces the situation that the chalk dust enters the fan to affect the use efficiency, the chalk dust is accumulated in the storage box and is conveniently pulled out and transferred, a user drives the supporting plate to move up and down along the C-shaped rod through the grip, and the C-shaped rod is limited through the limiting screw and the clamping groove of the main body; the driving motor drives the driving shaft to rotate, the sponge pad rotates along with the driving shaft to clean chalk handwriting on the writing board, the supporting rod is connected with the rolling wheel to provide enough supporting distance, the supporting plate and the main body are kept relatively parallel, the rolling wheel can slide conveniently, friction is reduced, and a balance supporting point is provided.

The utility model discloses welding equipment for hydraulic oil cylinder production, which comprises a base, a fixing frame is fixed above the base, a fixing table is fixed on one side of the fixing frame, a motor is mounted on one side of the fixing table, a chuck is mounted at the output end of one side of the motor, a first groove is formed in the inner side of the base, and a second groove is formed in the inner side of the base. A first sliding block is arranged on the inner side of the first groove in a sleeving manner; through cooperative use of a dust suction pipe, a dust collection box, a fan, an activated carbon filter block and an air outlet, in the using process of the device, a large amount of harmful gas generated in the hydraulic oil cylinder production and welding process is sucked into the dust collection box through the fan through the dust suction pipe and then filtered through the activated carbon filter block, and the filtered gas is exhausted through the air outlet; in this way, the content of harmful gas in the working environment of hydraulic oil cylinder production can be reduced, the harmful gas inhaled by workers is effectively reduced, and the influence of the harmful gas on the body health of the workers in the welding process is further reduced.

The utility model relates to a gas pipeline detector which comprises a first arc-shaped sleeve, the outer wall of the first arc-shaped sleeve is fixedly connected with a mounting shell, the inner side of the mounting shell is detachably connected with a gas detector body, and a gas suction assembly is arranged between the gas detector body and the mounting shell. A second arc-shaped sleeve is arranged on the side, away from the mounting shell, of the first arc-shaped sleeve, and a mounting assembly is arranged between the first arc-shaped sleeve and the second arc-shaped sleeve. The mounting assembly comprises a mounting block and a limiting block, the mounting block is fixedly connected to the outer side of the second arc-shaped sleeve and inserted into the inner side of the first arc-shaped sleeve, the limiting block is located on the inner side of the first arc-shaped sleeve and inserted into the inner side of the mounting block, and a connecting rod is fixedly connected to the side, away from the mounting block, of the limiting block; the outer wall of the connecting rod is sleeved with a spring. According to the gas pipeline detector, the detection stability is greatly improved, the detection accuracy is improved, the use is convenient, and the practicability is high.

The invention discloses a large-scale integrated device for extracting helium from BOG (boil-off gas) gas, which comprises a mounting bottom plate, a fixed frame body and a mounting frame body, the fixed frame body is mounted at the upper end of the mounting bottom plate, the mounting frame body is mounted between the fixed frame body and the mounting bottom plate, and an extraction structure is arranged at the upper end of the mounting bottom plate. The extraction structure comprises a first-stage catalytic dehydrogenation reactor, a cooler, an adsorption assembly, a raw material gas compressor, a separation assembly, a vacuum pump, a second-stage catalytic dehydrogenation reactor, a third-stage catalytic dehydrogenation reactor, a helium purifier, a fixing assembly, a helium bottle and a rotary mounting assembly. Due to the fact that the physical properties of hydrogen and helium are very close, hydrogen in pure helium cannot be removed through a pressure swing adsorption or cryogenic process, the permeability coefficient of gas molecules is increased by adopting a mode of pressurizing before membrane and vacuumizing after membrane, and the helium can achieve high yield and purity by using a small membrane area.

The utility model relates to the field of cellulose ether production, in particular to a crushing device for cellulose ether production raw materials, which aims to solve the problems that a large amount of cotton fibers are swung and splashed out of the device when the cotton raw materials are crushed, so that the cotton fibers are inhaled into lungs by workers, and the body health is damaged, and comprises a crushing box, a turning plate sealing mechanism is rotatably mounted at the opening end of the raw material filling pipe, a crushing cavity is formed in the crushing box, and a crushing mechanism is mounted in the crushing cavity; and a wadding suction mechanism is mounted on the side wall of the crushing box. The raw material filling pipe is covered with the turning plate sealing mechanism, so that a large amount of produced cotton fibers can be prevented from flying out of the raw material filling pipe, meanwhile, the leaked cotton fibers can be absorbed when the sealing turning plate is turned over through the cotton fiber absorbing mechanism, and the content of the cotton fibers flying into the air can be reduced through mutual cooperation of the cotton fiber absorbing mechanism and the sealing turning plate during crushing processing; therefore, the suction volume of workers is reduced, and a good working environment is created.

The utility model discloses polishing equipment for metal shell ring machining, which comprises a base plate, a first sliding groove is formed in one end above the base plate, a fixing machine base is arranged above the first sliding groove in a sliding mode, a fixing machine first telescopic rod is fixedly arranged above the fixing machine base, and a fixing machine second telescopic rod is fixedly arranged above the fixing machine first telescopic rod. A fixing machine body is fixedly arranged above the fixing machine first telescopic rod, a fixing machine second telescopic rod is fixedly connected to the side face of the fixing machine body, a clamping plate rotating shaft is rotationally connected to the side face of the fixing machine second telescopic rod, and a clamping plate connecting plate is rotationally connected to the side face of the clamping plate rotating shaft; through the design of the clamping plate mechanism, the device can flexibly adapt to metal shell rings of different sizes, the arc-shaped clamping plate can slide in the clamping plate sliding seat and can be finely adjusted through the clamping plate adjusting seat, it is ensured that the metal shell rings of different sizes are stably clamped, and meanwhile the clamping plate mechanism can be used for clamping the metal shell rings of different sizes. The arc-shaped supporting plate can rotate by a certain angle and can be adjusted in height so as to adapt to metal shell rings of different shapes and sizes.

The utility model discloses a silencer shell detection tool, and particularly relates to the technical field of silencer shell detection tools, which comprises a detection tool piece arranged at the top of a bottom plate and used for fixing a silencer shell. The supporting mechanism is distributed in a mirror image mode and used for supporting the silencer shell, the two sets of detection tool hole mechanisms are used for positioning the silencer shell, the first transverse positioning mechanism and the second transverse positioning mechanism are used for transversely positioning the silencer shell, and the two sets of detection block mechanisms are arranged outside the two ends of the silencer shell respectively. According to the utility model, the hole site on the silencer shell is clamped through the detection tool hole mechanism, the two ends of the silencer shell are aligned and leveled through the first transverse positioning mechanism and the second transverse positioning mechanism, and then the two ends of the silencer shell are pressed and fixed through the detection block mechanism, so that through multi-direction positioning, the detection efficiency is improved; and the assembly accuracy of the silencer shell can be ensured, so that the accuracy and stability of subsequent welding of the silencer shell are improved.

The utility model belongs to the technical field of dry quenching coke tanks, and particularly relates to a sealing structure for a feed opening of a dry quenching coke tank, which is characterized in that a vertical plate, an inclined plate and a flat plate are arranged on the outer side of a lining plate of the feed opening of the coke tank to form an annular groove body with an opening at the bottom, and the bottom of the annular groove body is opposite to the outermost lining plate of a bottom gate. A heat-resistant sealing ring is arranged between the flat plate and the outermost ring lining plate of the bottom gate, an upward boss is arranged at the position, corresponding to the opening of the annular groove body, of the outermost ring lining plate of the bottom gate, and a sealing steel ring is arranged between the boss and the lower edge of the coke pot feed opening lining plate. Compared with the prior art, the utility model has the beneficial effects that the two sealing mechanisms are adopted, so that the speed of external inlet gas can be quickly reduced, the suction of air is effectively reduced, the temperature rise of the lower structure is avoided, the long-term stable use of the coke tank is ensured, and the service life of the coke tank is effectively prolonged; the ablation rate of the red coke in the transportation process is reduced, the energy is saved, and the operation cost of a factory is saved.

The utility model discloses a circuit structure of an electronic hookah. The circuit structure comprises an MCU main control module, a driving module, a heating module, a temperature control module and a power supply module for supplying power to the electronic hookah, the heating module is composed of a heating wire and a heating piece which are electrically connected with the driving module. According to the scheme, by arranging the MCU main control module, the driving module, the heating module, the temperature control module and the power supply module for supplying power to the electronic hookah, the temperature of a tobacco bowl or hot airflow in the electronic hookah can be monitored in real time, so that the heating power of a heating wire and a heating piece can be adjusted in time, tobacco burning or equipment overheating is prevented, and the use experience of a user is guaranteed; and moreover, by adjusting the heating power and controlling the temperature, the inhalation of harmful substances can be reduced. Meanwhile, the heating module is composed of a heating wire and a heating piece, a single heating source is not adopted any more, the tobacco materials are heated more evenly, the smoke taste is richer, and the smoking experience of a user is improved.

The utility model discloses a brushless external rotation self-suction type heat dissipation device, which comprises a motor body and a heat dissipation mechanism, the motor body is also provided with an end cover used for connecting the heat dissipation mechanism, the end cover is provided with a hollow structure, the motor body is an external rotation type motor, and the heat dissipation mechanism is provided with a heat dissipation mechanism. After the motor body rotates in a self-rotation mode, airflow passes through the hollow structure on the end cover and is led into the motor body by the heat dissipation mechanism. After the heat dissipation device is installed on the motor, air flow is generated after rotation of the brushless motor, air enters the heat dissipation device through the position of the end cover, the heat dissipation mechanism is provided with a plurality of wedge-shaped structures, and the air can be sucked into the motor in the rotation process, so that air cooling of the motor can be carried out without other driving force at present, and the service life of the motor is prolonged. And meanwhile, the structure can improve the air suction amount so as to provide heat dissipation for the motor, and has the advantages of higher heat dissipation efficiency, lighter and more reliable overall structure and low maintenance cost.

The utility model relates to the technical field of plate processing, and discloses a building plate cutting device which comprises an operation table, a through hole is formed in the operation table, a rotating frame is rotatably connected in the through hole, a driving motor is fixedly arranged on the rotating frame, a first connector is arranged at the output end of the driving motor, and a second connector is arranged at the output end of the first connector. A second connector is rotationally arranged on one side of the rotating frame, a cutting knife is connected to the first connector and the second connector, a dust suction box is arranged below the operation table, an air hole is formed in the dust suction box, an exhaust fan is arranged in the air hole, a dustproof net is arranged on one side of the exhaust fan, and a vertical frame is arranged on one side of the operation table. According to the plate cutting device, by rotating the rotating frame, cutting of plates in different directions is achieved, the practicability of the device is improved, cutting operation is convenient, meanwhile, raised dust generated by cutting is sucked away, and the influence on the human body is reduced.

The invention discloses a lens mold clamping device, and relates to the technical field of lens production, the lens mold clamping device comprises a base, a clamping mechanism mounted on the base and used for clamping a lower mold base and an electric push rod mounted on the base and used for driving an upper mold base to move in the vertical direction, and a waste gas treatment mechanism is mounted on the base; the waste gas treatment mechanism comprises a UV photolysis device mounted at the top of the base, a gas suction hood mounted at the top of the base and a negative pressure assembly mounted at the top of the base; and an air inlet pipe of the UV photolysis device is communicated with the air suction cover through a negative pressure assembly. According to the invention, harmful gas inhaled by workers can be reduced.

The utility model discloses a vital capacity training device, which belongs to the technical field of respiratory medicine, and comprises a communicating pipe, two groups of clamping blocks are fixedly connected to the outer wall of the communicating pipe, a clamping plate is rotatably connected between the two corresponding clamping blocks through a pin shaft, a sliding groove is formed in one side of the clamping plate, a supporting column is fixedly connected to the outer wall of the communicating pipe, and the supporting column penetrates through the sliding groove. The end of the supporting column is fixedly connected with a top plate, and the supporting column is sleeved with a spring. According to the vital capacity training device, clamping plates, a clamping plate, a sliding groove, a supporting column, a spring and a filtering block are arranged, when vital capacity training is carried out, the clamping plate rotates through a pin shaft between the two clamping plates, the spring and the sliding groove are downwards extruded in the rotating process to provide enough space for rotation of the clamping plate, the clamping plate drives a clamping hook on one side to be opened in the rotating process, and the clamping plate is driven to rotate; through filtration of the filter block, bacteria entering the breather pipe during air blowing are effectively reduced, and meanwhile bacteria inhaled into the body of a patient during air inhalation are also reduced.