23results about How to "Healthy working environment" patented technology

The invention belongs to the field of coal mine underground ventilation safety, and relates to an Ma protection level anti-explosion draw-out type ventilator for positive pressure protection in an explosive-proof motor, which comprises a fan flow channel, the explosive-proof motor arranged in the fan flow channel, an impeller in transmission connection with the explosive-proof motor, and a junction box for controlling the explosive-proof motor, the explosion-proof motor further comprises a pressurization sealing cavity which is communicated with the inner cavity of the explosion-proof motor and the inner cavity of the junction box, and the pressure of the pressurization sealing cavity is larger than that in the fan flow channel, so that explosive gas flowing through the fan flow channel cannot enter the pressurization sealing cavity. On the basis of a common explosion-proof draw-out type ventilator, the inner cavity of the explosion-proof motor is communicated with the inner cavity of the junction box in a sealed mode, the pressurization sealing cavity is formed, so that external explosive gas is prevented from entering the inner cavities of the explosion-proof motor and the junction box, and therefore the protection level of the common explosion-proof draw-out type ventilator is improved to the Ma protection level; the safety problem of an existing anti-explosion draw-out type ventilator is solved.

According to the titanium and titanium alloy glasses frame plate polishing and grinding device, a trolley is arranged on the platform face of a platform frame, supporting wheels distributed in the width direction of the trolley are symmetrically installed on the front side of the bottom face of the trolley, and a polishing and grinding assembly arranged at the rear end of the upper plane of the trolley is connected with a transmission driving device arranged on the trolley; the transmission driving device drives the polishing and grinding assembly to polish and grind the gold glasses frame plate placed on the platform frame. A dust suction device used for sucking dust generated in the polishing and coping process is arranged at the front end of the platform face of the platform frame. The transmission driving device drives the polishing and grinding assembly to rotate to polish and grind a gold spectacle frame plate placed on the platform frame, the defect that polishing and grinding of tiny flaws on the surface of a spectacle frame are inconvenient is overcome, and the polishing and grinding efficiency and quality of the tiny flaws on the surface of the spectacle frame are improved. And the dust content in the polishing and coping process is reduced, and a relatively healthy working environment is provided for workers.

The utility model discloses a novel fan with micro electrostatic dust collection and anion purification functions, which is specially designed for schools. The equipment is characterized in that the micro-electrostatic dust collection assembly comprises a micro-electrostatic generation field, an electrode bar, a dust collection net plate and a negative ion generation device which jointly act to efficiently remove tiny particles in air, and the air purification effect is enhanced. A replacement assembly is arranged on the dust collection screen plate side, and rapid replacement is facilitated. The fresh air machine is further provided with an intelligent control circuit board and a fragrance box, and the indoor air quality is improved. The shell is provided with a replacement opening, a bottom support and a dust cover, and equipment is convenient to maintain and protect. And the outer wall is fixed with the hook and the flow guide cover to optimize air flow. The control circuit board is provided with a wind speed sensor and a display interface, and a wind control chip and a transformer ensure normal work. The air outlet is provided with a hinge and a fixing buckle, and is matched with a flow guide groove, thereby being convenient to clean and maintain. The fresh air ventilator provides a healthy learning and working environment for students and faculty and employees, and is suitable for the technical field of air purification.

The invention relates to the technical field of textile testing, in particular to a segmented textile flame-retardant testing device, and solves the problem that an effective combustion stopping device is lacked in a testing device in the prior art. The invention discloses a segmented textile flame-retardant testing device which comprises an upper box body, a lower box body, a sample fixing module, a loading module, an exhaust fan, an atomization fire extinguishing module and a depressurization ventilation module. The upper box body is used for flame-retardant testing, and the lower box body is provided with a smoke purification module; the sample fixing module is used for loading textile samples; the loading module is used for mounting and adjusting the position of the combustor; the exhaust fan is used for extracting smoke dust; the atomization fire extinguishing module is connected with external liquid supply equipment to quickly control the fire behavior; the depressurization ventilation module achieves dust removal and negative pressure control by intelligently adjusting air inflow. By integrating the atomization fire extinguishing module and the depressurization ventilation module, the problem that combustion cannot be stopped in time in the testing process is effectively solved, and the testing safety and accuracy are improved.

The wall top punching device for decoration comprises a base, a lifting plate is arranged above the base, the top of the lifting plate is fixedly connected with a drilling piece, the drilling piece comprises a fixing base, the top of the fixing base is rotationally connected with a drill bit, the bottom of the drill bit extends to the position below the fixing base and is fixedly connected with a drill bit motor, and the drill bit motor is fixedly connected with the lifting plate. A collecting cover is fixedly connected to the surface of the drill bit, and connecting pipes are fixedly connected to the left side and the right side of the bottom of the collecting cover. The equipment has the advantage of collecting dust, and solves the problems that a large amount of dust generated in the working process of the punching device pollutes a construction site and possibly diffuses to a peripheral area to cause negative effects on environmental sanitation, and the dust possibly enters the punching equipment to easily accelerate abrasion of mechanical parts, influence the service life of the equipment and cause environmental pollution. And the difficulty and the cost of cleaning and maintenance are also increased.

A mandrel storage tool rack comprises a rack body, a first fixing frame is arranged on the lower portion of the rack body, a first storage part is installed on the first fixing frame, a second fixing frame is arranged in the middle of the rack body, a guiding square pipe is horizontally installed on the second fixing frame in the short axis direction of the rack body, and a second storage part is installed on the guiding square pipe in a sliding mode. And the second storage part can move back and forth along the guide square pipe. The device is safe and reliable to use, high in flexibility, simple to operate and more space-saving; the mandrel can be prevented from toppling over, so that deformation of the mandrel is reduced, and the phenomena of collision and scratching in the taking process after tools are stacked and mixed are avoided; the occupied area is small after the whole device is placed in order, and the purpose of efficiently utilizing the placing space is achieved; the whole device can be moved at any time, field management and sanitary cleaning are facilitated, and management flexibility is improved.

The utility model relates to the technical field of part polishing, and discloses a double-station polishing table for automatically processing aircraft parts, which comprises a workbench, the right side of the workbench is fixedly connected with a fixing plate, the top end of the fixing plate is fixedly connected with a collecting box, the collecting box is internally provided with a long-strip opening, and the long-strip opening is fixedly connected with the right side of the workbench. A long-strip-shaped opening is formed in the front side of the collecting box, a drawing box is slidably connected into the long-strip-shaped opening, fixing strips are fixedly connected to the front side and the rear side of the drawing box, a clamping groove is formed in the front side of the drawing box, a mounting box is fixedly connected to the front side of the collecting box, a clamping bolt is slidably connected into the mounting box, and a telescopic assembly is arranged outside the clamping bolt. According to the grinding table for the airplane parts, when the airplane parts work on the grinding table, dust removal can be conducted on the grinding table, dust and particulate matter generated in the grinding process can be effectively captured and filtered, the dust and the particulate matter are collected, and workers can conveniently treat the dust and the particulate matter.

The utility model relates to the technical field of high titanium slag treatment equipment, in particular to a high titanium slag crushing device with a dust removal function, which comprises a crushing box, two crushing rollers symmetrically and rotatably mounted in the crushing box, and a water tank arranged on one side of the crushing box, a sliding cover is installed on the top of the feeding hopper in a sliding mode, and an exhaust pipe is installed on the sliding cover. According to the utility model, the water tank arranged on the side edge is combined with the air exhaust system on the feeding hopper, and dust and particles generated in the crushing process are sucked into the water tank through suction force generated by the air pump, so that dust pollution in the working environment is greatly reduced, and a healthier and safer working environment is provided for operators.

The present invention discloses an intelligent sterilization and purification ceiling fan lamp, which includes a motor, a chassis, a lamp, an air filter and an induction switch device. The chassis is arranged below the motor and connected to the lower end of the fixed shaft; the lamp is installed on the annular installation area of ​​the chassis, and the lamp is provided with an illumination lamp and an ultraviolet lamp; the air filter is installed above the top cover, and the air filter includes an outer cover, a filter element and a turbofan arranged inside the outer cover, the turbofan is connected to the filter element, and air flows through the filter element under the action of the turbofan; the induction switch device is installed on the middle installation area of ​​the chassis, and the induction switch device is provided with a first induction switch and a second induction switch, the first induction switch is electrically connected to the ultraviolet lamp through a controller; the second induction switch is connected through a controller. The present invention has a reasonable and compact structure, integrates functions such as air supply, lighting, ultraviolet sterilization, air filtration and purification, and realizes intelligent control of ultraviolet sterilization and air filtration.

The utility model relates to the technical field of electrostatic dust collection, in particular to an electrostatic dust collector for a textile workshop, which comprises a storage box and an adsorption component, a mounting part is arranged in the storage box, an air outlet pipe is arranged on the mounting part and is arranged in a through hole of the storage box, and an insulating part is arranged in a shaft hole of the mounting part. A discharge electrode is arranged on the insulating part, a dust collection electrode is arranged at a notch of the mounting part, a supporting part is coaxially arranged on the dust collection electrode, an air inlet pipe is arranged on the supporting part and arranged in a groove hole of the storage box, and the adsorption assembly is connected with the air inlet pipe; the adsorption assembly and the storage box are arranged on the supporting assembly; the device is high in adaptability, convenient to operate and high in dust removal stability.

The utility model belongs to the technical field of livestock breeding equipment, particularly relates to a livestock breeding feed crushing device, and aims to solve the problems that straw needs to be manually guided into a feeding port of a crushing machine in an existing device, uniform conveying of the straw is difficult to guarantee through manual feeding, the load of the crushing machine in the working process is unstable, the crushing effect is affected, and the crushing efficiency is affected. According to the scheme, the straw smashing device comprises a smashing machine, and a feeding frame is installed at a feeding opening of the smashing machine; the feeding device has the advantages that through cooperation of the concave-convex structure of the feeding plate and the feeding bevel teeth, the grabbing force on straw is enhanced, the feeding efficiency is improved, material loss is reduced, accurate transmission of the gear and the inner gear ring is achieved, stable and automatic feeding is achieved, the labor cost is reduced, and the product quality is guaranteed; the dust concentration of a workplace is greatly reduced, and a healthy and clean working environment is created.

The application discloses a laser welding device for communication equipment components, which comprises a bearing box, a laser welding device is installed on one side of the upper end of the bearing box, a protection mechanism is buckled on the laser welding device, an air suction structure is installed in the protection mechanism, a metal separation box is arranged on one side of the bearing box, a rotating device is installed on one side of the metal separation box, and a centrifugal filter assembly is connected to one end of the rotating device.

The invention discloses a manufacturing method of a metal pipe sectional material, and relates to the technical field of sectional material machining. Comprising a wall surface groove nesting doll type profile group profile and a manufacturing method thereof. After base material acid pickling and phosphating treatment, base material heading, head rolling and cold drawing forming, annealing for residual stress elimination, size design derivation of the sleeve-doll-type profile set and assembly hole forming process treatment of the profile, the sleeve-doll-type profile set which is provided with a groove in the wall face, attractive in appearance, high in strength, stable in size, smooth and clean in surface, resistant to abrasion and corrosion can be obtained. And the requirements of the sectional material in different application scenes can be met through transverse, longitudinal, columnar and doll type connection. The screw head can be embedded in the groove, the sleeve doll type structure greatly facilitates self combination and connection with other parts, many traditional products formed through welding and polishing can be changed into a detachable mode, the packaging size is greatly reduced, the storage and transportation cost is greatly reduced, and the health of workers is protected; and meanwhile, a solution is provided for manufacturing super-long and super-wide products.

The utility model discloses a drying device for making bricks from waste residues, which belongs to the technical field of kitchen waste residue treatment, aims at solving the problems of low drying efficiency and easy emission of peculiar smell, and comprises a machine body, a placing mechanism, drying mechanisms and a deodorizing mechanism, the placing mechanism is arranged in the middle of the interior of the machine body, and the drying mechanisms are arranged on the upper side and the lower side of the machine body; the deodorizing mechanism is arranged above the drying mechanism, the rotating shaft is symmetrically and rotatably connected to the inner wall of the machine body, the gear is fixedly connected to one end of the rotating shaft, the racks are symmetrically arranged on the upper side and the lower side of the gear and symmetrically arranged along the center of the gear, the racks are meshed with the fixing frame, and the fixing frame is fixedly connected to the inner wall of the machine body; according to the brick drying device, through the arranged drying mechanism, double-face drying can be conducted on bricks on the containing plate, the bricks are evenly dried through circulating movement of the mounting plate, local temperature insufficiency is avoided, and drying uniformity and drying efficiency are improved.

The utility model provides an auxiliary device for changing a cutter of a shield tunneling machine, which comprises a protective cylinder device, an air supply device and a downcast tube well, the protective cylinder device is arranged in front of the shield tunneling machine and is 1.5 m away from a shield head of the shield tunneling machine, and the bottom of the protective cylinder device is positioned on a bearing stratum and is higher than an underground water level, so that the stability and the reliability of the protective cylinder device are ensured; a safe and reliable operation space is provided for tool changing operation; the air supply device comprises an air supply pipeline and an air feeder, the air feeder is arranged on the ground, one end of the air supply pipeline is connected with the air feeder, the other end of the air supply pipeline extends into the protective cylinder device and is used for feeding fresh air into the working space, the air quality in the working space is effectively improved, and a safe and healthy working environment is provided for operators; and the efficiency and the quality of tool changing operation are improved.

The utility model relates to the technical field of setting machines, and discloses an energy-saving and environment-friendly air curtain structure which comprises a protective shell, a smoke outlet and an air inlet are formed in the upper end of the protective shell, a partition plate is arranged in the middle of the interior of the protective shell, and the partition plate is located between the smoke outlet and the air inlet and divides the interior of the protective shell into two parts. An air curtain baffle is fixedly arranged on the side, close to the air inlet, of the interior of the protective shell, an inclined guide plate is fixedly arranged at the lower end of the partition plate, the inclined guide plate inclines by 45 degrees towards the side of the air inlet, an air curtain groove is formed between the lower end of the air curtain baffle and the inclined guide plate, and the width of the air curtain groove is 2 mm; and after high-temperature pressurized clean air is input into the air inlet, an air curtain is formed through the air curtain groove. According to the utility model, the inclined flow guide plate is matched with the air curtain groove, so that the heat recovery efficiency and the flue gas blocking rate are improved, and finally, energy conservation, consumption reduction, pollution reduction and maintenance cost reduction are effectively realized.

The utility model provides an anchoring drilling machine electrostatic dust collection device which relates to the technical field of geological disaster control construction anchoring drilling machines and comprises a supporting base, a supporting stand column is fixed at the top of the supporting base, a drilling head base is arranged at the top of the supporting stand column, and a handrail is arranged on one side of the drilling head base. A supporting rod is fixed to one side of the middle of the supporting stand column, a servo motor is fixed to one end of the supporting rod, and a driving gear is fixed to the power output end of the servo motor. According to the device, a servo motor is started to rotate, a driven gear drives fan blades to rotate, the fan blades rotate in an air guide cover, dust on the top of the air guide cover is sucked into the air guide cover, and the fan blades are located under a drilling head base, so that during drilling, airflow generated by rotation of the fan blades passes through a replaceable electrostatic dust collection plate, and the dust collection efficiency is improved. And the air with dust can be filtered through the replaceable electrostatic dust collection plate, dust can be further absorbed, dust generated during drilling can be removed, and the dust falling effect is achieved.

This utility model relates to the field of ash filtration technology for sludge drying and treatment, and discloses an ash filtration device for sludge drying and treatment, including a shell assembly, a dust collection assembly, a filter assembly, and a vibration assembly. The dust collection assembly is installed on the side wall of the shell assembly, the filter assembly is snapped into the inside of the shell assembly, and the vibration assembly is installed on the other side wall of the shell assembly. The inclusion of the vibration assembly and the filter assembly facilitates graded filtration of the ash sludge. The first-stage filter assembly intercepts larger ash sludge particles, initially removing most impurities; the second-stage filter assembly further filters out smaller ash sludge particles, making the filtration finer and improving filtration efficiency. The dust collection assembly facilitates timely collection of dust generated by the device's vibration operation, preventing it from spreading in the air, maintaining air quality in the working area, and providing operators with a healthy and comfortable working environment.

The utility model provides nuclear power construction site welding groove cutting equipment, and relates to the technical field of welding groove cutting, the nuclear power construction site welding groove cutting equipment comprises a welding assembly, the side face of the welding assembly is provided with a smoke removal assembly, the welding assembly comprises a bottom plate and a laser welding machine, the top of the bottom plate is provided with a cooling assembly, and the cooling assembly comprises a mounting frame. A ventilation grille is arranged on the inner side of the mounting frame, a fan is arranged in the mounting frame, an outer frame is arranged in the mounting frame, a cooling pipe is arranged on the inner wall of the outer frame, the two ends of the cooling pipe are connected with refrigerating machines, and the bottoms of the refrigerating machines are connected with the top of the outer frame. According to the laser welding machine, the refrigerating machine is used for refrigerating, the cooling pipe uniformly releases cold air, and the refrigerating machine is matched with the fan to work, so that the temperature of the laser welding machine during cutting is effectively reduced, the situation that the laser welding machine cannot be normally used due to the fact that the temperature of the laser welding machine during cutting is too high is avoided, and the working efficiency is improved.

The utility model relates to the technical field of smashing devices, and discloses a smashing device with a dustproof function, which comprises a smashing machine shell, the smashing machine shell is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is meshed with a driven gear. The driven gear is fixedly connected with a first hob, the first hob is fixedly connected with a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected with a second hob, the second hob is fixedly connected with a third belt wheel, the third belt wheel is connected with a fourth belt wheel through a belt, and the fourth belt wheel is fixedly connected with an exhaust fan. And the crusher shell is fixedly connected with a filter screen cover. According to the utility model, dust is compatible with water, so that the dust is prevented from escaping in the crushing process, and the problem that the dust directly flows to air is avoided, thereby effectively reducing the pressure of air pollution and providing a healthy working environment for workers.

The utility model discloses a welding electrode production quality detection tool which comprises a bearing seat, the bearing seat is connected with a fixed support through an elastic adjusting assembly, and the upper portion of the fixed support and the upper portion of the bearing seat are respectively provided with a plurality of sets of tail placing seats and head placing seats. The head placement seat and the tail placement seat are respectively connected with the head and the tail of the welding electrode coating; the welding electrode clamps the coating part of the welding electrode through the head placement seat and the tail placement seat. By arranging the elastic adjusting assembly, semi-automatic clamping is achieved, the welding electrode to be detected is effectively fixed, rolling of the welding electrode in the follow-up detection process is avoided, the time and labor intensity of manual one-by-one detection are reduced, and the detection efficiency is remarkably improved. The fixing and adjusting assembly of the tool can ensure the stability and consistency of the welding electrode in the detection process, so that the accuracy of the detection result is improved.

The utility model relates to basketball shoe glue brushing, baking and shaping equipment which comprises a processing table, a glue brushing, baking and shaping device is arranged on the right side of the processing table, a purifying mechanism used for purifying air is arranged on the left side of the processing table, and auxiliary mechanisms used for guiding air to flow are arranged on the front face and the back face of the glue brushing, baking and shaping device. And the purification mechanism comprises a purification box fixed to the left side of the machining table, the upper surface of the purification box communicates with a fan, and the left side of the purification box communicates with an air pipe. According to the basketball shoe glue brushing, baking and shaping equipment, under the action of the purifying mechanism, a large amount of pungent smell and toxic gas are rapidly collected into the collecting box through the multiple air expanding boxes, and meanwhile dust is removed and prevented from entering a draught fan through a first dustproof net; meanwhile, substances generating pungent smell and toxic substances contained in the air are removed through double filtration of the first filter screen and the second filter screen, and therefore it is guaranteed that a healthy working environment is provided for operators.