14 results about "Occupational disease" patented technology

The optical lens polishing equipment with the dust removal function comprises a box body, an installation frame is fixedly installed at the inner bottom of the box body, a containing disc used for bearing an optical lens is rotatably installed at the top of the installation frame, and a limiting mechanism used in cooperation with the containing disc is installed at the inner top of the box body; through the arrangement of the dust removal mechanism, an exhaust fan in the dust removal mechanism can be started, so that a dust suction cover communicated with a dust collection box sucks fine dust generated when the polishing mechanism polishes the optical lens, it can be ensured that an effective negative pressure area is formed around the dust suction cover, and therefore the fine dust generated in the polishing process is effectively sucked; dust is effectively collected and stored in the dust collecting box, pollution of the dust to the working environment is avoided, the risk that workers suffer from occupational diseases due to the fact that the workers inhale the dust is reduced, and meanwhile the possibility that the lenses are damaged due to dust pollution is greatly reduced due to the fact that the dust does not make direct contact with the lenses any more.

The invention relates to an artificial intelligence range hood which can quickly and conveniently discharge oil smoke and indoor polluted air by selectively opening or closing a movable air inlet and outlet pipeline or an indoor polluted air inlet and outlet pipeline. The present invention can prevent occupational diseases such as lung cancer caused by continuously inhaling oil fume containing a plurality of harmful substances in an amount equal to or greater than a reference amount in advance, thereby significantly improving the indoor air quality and automatically creating a comfortable and clean air environment, and can reduce the amount of oil fume generated by lowering the movable intake / exhaust duct to a position where the oil fume is generated. The oil fume can be rapidly sucked and discharged, and after being sucked into the oil fume suction inlet from the side face of the oil collecting disc in the 360-degree direction, the oil fume is rapidly discharged through the movable air inlet and outlet pipeline and the fixed air inlet and outlet pipeline in sequence, so that the health of cooks is effectively protected.

The application discloses a shaft suspension excavating device and a use method thereof. The shaft suspension excavating device comprises a machine body, a control system arranged in the machine body, a plurality of telescopic legs arranged on the outer side of the machine body in a circumferential direction, a lower rotating mechanism arranged at the bottom of the machine body, a digging arm connected to a digging bucket through the lower rotating mechanism, and the telescopic legs, the lower rotating mechanism and the digging arm are all connected to the control system. The telescopic leg comprises a first telescopic pipe, the inner side end of the first telescopic pipe is hinged to the machine body, a second telescopic pipe is arranged in the first telescopic pipe, the outer side end of the second telescopic pipe extends out of the first telescopic pipe, a first oil cylinder is arranged on one side of the first telescopic pipe, the cylinder tail end of the first oil cylinder is hinged to the first telescopic pipe, the telescopic end of the first oil cylinder is hinged to the second telescopic pipe, and the first oil cylinder is connected to the control system. The shaft suspension excavating device has the advantages of reducing the danger of shaft excavation, reducing the labor intensity of workers, improving the efficiency, avoiding causing the occupational diseases of workers and reducing the labor cost.

The utility model discloses an underwear production hot press device, including operation mesa, the upper surface swing joint of operation mesa has and places the stage, the upper surface of place stage installs fixed establishment, the bottom of place stage installs displacement mechanism, install the support frame on operation mesa, install the forming mechanism on the support frame, the top of support frame installs filter box, one side of filter box installs harmful gas purification mechanism. The utility model discloses an underwear production hot press device, through the continuous work of exhaust fan, through the air suction disc of air suction pipe bottom end and the auxiliary air suction seat of the inner wall on the both sides of support frame and air suction pipe intercommunication, can all -round, high -efficiently extract the harmful gas produced in the hot -pressing process, and harmful gas is rapidly inhaled filter box and is purified and handled, greatly reduce the concentration of harmful gas in the working environment of operator, reduced the probability of occupational disease because of long -term contact harmful gas.

The utility model relates to the technical field of log peeling and polishing, in particular to a log peeling and polishing device which comprises a peeling and polishing frame, an assembly base is fixedly installed in the middle of the upper end face of the peeling and polishing frame, a collecting assembly is arranged inside and outside the assembly base, and the collecting assembly comprises a collecting groove formed in the assembly base; and a groove cover is clamped to an opening in the side, away from the peeling and polishing frame, of the collecting groove, a filtering pad is bonded to the side wall, close to the collecting groove, of the groove cover, an air suction pump is fixedly installed at the right end of the peeling and polishing frame, and the output end of the air suction pump fixedly communicates with an air suction pipe. The collecting assembly can efficiently adsorb and process chippings and dust generated in the peeling and polishing process, emission of the dust into air is remarkably reduced, pollution to the environment is reduced, the collecting assembly is beneficial to maintenance of the air quality of a working area by reducing dust emission, and the service life of the working area is prolonged. And the risk that workers suffer from occupational diseases due to long-term dust inhalation is reduced.

The utility model relates to the technical field of construction waste treatment equipment, and discloses recycled concrete construction waste aggregate crushing equipment which comprises a bottom plate, the top of the bottom plate is fixedly connected with a protection mechanism, the top of the protection mechanism is fixedly connected with a cover opening mechanism, and the outer side of the protection mechanism is fixedly connected with a dust conveying mechanism. The device comprises a protection mechanism, a plurality of vibration screening mechanisms are connected to the outer side of the protection mechanism, a crushing mechanism is fixedly connected to one side of the protection mechanism, a crushed material conveying mechanism is fixedly connected to the outer side of the protection mechanism, the dust conveying mechanism comprises two air pumps, and conveying pipes are fixedly connected to the interiors of the two air pumps. According to the utility model, the risk of suffering from respiratory diseases such as pneumoconiosis, bronchitis, asthma and the like is reduced, the normal function of breathing is protected, a worker can keep a good physical state for a long time, and the living quality and the working ability are prevented from being influenced by occupational diseases.

The utility model belongs to the technical field of rivet fixing auxiliary tools, and particularly relates to a limiting and damping jacking iron structure of a rivet, which comprises a jacking iron main body, a damping sleeve and a damping spring, the jacking iron main body is cylindrical; the damping sleeve sleeves the jacking iron main body, and the rear end of the jacking iron main body abuts against the damping sleeve through the damping spring; the front end of the jacking iron body extends out of the damping sleeve, a limiting nut is arranged on the outer side of the front end of the jacking iron body in a sleeving mode, a plurality of soft limiting supporting legs are arranged on the front end face of the limiting nut, and when the jacking iron body tightly jacks the rivet, the limiting supporting legs are compressed to deform and are flush with the front end face of the jacking iron body. According to the scheme, damping is conducted through the damping springs, buffering of impact force is achieved, and the risks of pain, fatigue and occupational diseases brought to workers are reduced; and through the limiting supporting legs, the friction force is increased, the dislocation probability of the rivet and the end face of the jacking iron body is reduced, and the stability of supporting the rivet by the jacking iron body is improved.

The invention discloses a portable occupational disease hazard factor detector and a detection method, and relates to the technical field of detection devices.The portable occupational disease hazard factor detector comprises a rack, and a detection channel is formed in the rack; a first absorption part and a second absorption part are arranged in the detection channel, the first absorption part is used for absorbing dust, and the second absorption part is used for absorbing chemical substances to be detected; a pneumatic part is arranged on the rack, and is used for enabling gas to flow into the detection channel and sequentially pass through the first absorption part and the second absorption part. The occupational disease hazard factor detection method has the advantage that detection personnel can conveniently detect occupational disease hazard factors.

The present invention discloses a method and system for determining hidden injuries from long-term driving based on an energy limiter. The method comprises an acquisition unit, a nonlinear hyperelastic model unit for human muscle tissue, a tangent elastic tensor unit, a strain energy density model unit for hidden injuries from long-term driving based on the energy limiter, a damage determination unit, and an output unit. The method determines the nonlinear hyperelastic model of human muscle tissue and the tangent elastic tensor; then establishes a strain energy density model for hidden injuries from long-term driving based on the energy limiter. Based on the driving posture and the strain energy density model for hidden injuries from long-term driving based on the energy limiter, the method determines whether the driver's muscle tissue has been damaged during long-term or prolonged driving. The present invention solves the problem of determining injuries to long-term or prolonged drivers, thereby preventing occupational diseases caused by long-term driving.

The invention relates to the technical field of occupational health, in particular to a big data quantification-driven occupational disease hazard factor evaluation and prevention and treatment system, which comprises a data optimization processing module, a data feature acquisition module, an occupational disease index evaluation module and an occupational disease early warning and prevention and treatment module, outputting the reconstructed phase space matrix and data information corresponding to different time points; the data feature obtaining module obtains feature information and a classification result of occupational health data for the reconstructed phase space matrix and the data information by using a feature learning network model; the occupational disease index evaluation module determines weights of different occupational disease indexes based on the feature information and the classification result, and analyzes a comprehensive hazard index of the occupational disease indexes in combination with a hazard index level evaluation model; and the occupational disease early warning and prevention module sends an occupational disease early warning signal based on the comprehensive hazard index and matches a prevention scheme. The modules work cooperatively to achieve occupational disease evaluation and prevention and control, and the prevention and control efficiency and effect are improved.

The present application provides a chiseling device suitable for dense steel bars and narrow clearance, which is detachably fixed on the steel bars of the extension of the existing structure to realize the chiseling work on the chiseling surface of the existing structure; the chiseling device comprises a main frame, two symmetrical clamping mechanisms arranged on the main frame, and a chiseling mechanism between the two clamping mechanisms, wherein the two clamping mechanisms are clamped on the corresponding two steel bars respectively, and the chiseling mechanism is used for performing specific chiseling work. By configuring double clamping mechanisms on the main frame, the device can be directly and detachably anchored on the exposed steel bars of the existing structure, so that the device can flexibly work in the dense steel bar gap that cannot be reached by conventional equipment, effectively eliminating the construction blind area under complex working conditions; the installation stability and stress balance in the narrow space are ensured, the chiseling reaction force is directly borne by the frame and the steel bars, the direct harm of vibration to the human body is avoided, and the risk of occupational disease is significantly reduced.

The utility model discloses a blast furnace taphole mud sleeve drill rod fixing support which comprises a fixing frame, a plurality of positioning holes are formed in the inner wall of the transverse portion and the inner wall of the longitudinal portion of the fixing frame at equal intervals, a plurality of positioning rods perpendicular to one another are arranged in the fixing frame, and after the ends of the positioning rods are inserted into the positioning holes, an inner cavity of the fixing frame is divided into a plurality of positioning grids. A fixing plate is arranged at one end of the top of the fixing frame, a handheld part is arranged on one side of the bottom of the fixing frame diagonally arranged with the fixing plate, and clamping plates are arranged at the other end of the top of the fixing frame and one end of the bottom of the fixing frame diagonally arranged. When the blast furnace taphole mud sleeve drill rod fixing support is used for mud sleeve making operation, a tapping machine fixing drill rod only needs to be adjusted and placed in the positioning grid, the whole process is operated by a single person, time and labor are saved, meanwhile, operators can be prevented from being located in a high-temperature area for a long time and sucking a large amount of castable dust, and the production efficiency is improved. And the medicine is safe and reliable.

The utility model belongs to the technical field of automobile button machining, and particularly relates to surface polishing equipment for automobile button machining, which comprises a base, a back plate, a support frame, a polishing motor and a polishing disc, the back plate is fixedly mounted at the top of the base, the support frame is mounted on the front side of the back plate, and the polishing motor is mounted at the top of the support frame. The polishing disc is installed at the output end of the bottom of the polishing motor, and a dust collecting mechanism is arranged on the top of the supporting frame. A height adjustor is arranged in the back plate; the dust collecting mechanism comprises a dust collecting box, a filter element, a dust suction fan, a connecting pipe and a dust suction hopper, and the dust collecting box is installed on the top of the supporting frame. According to the surface polishing equipment for automobile button machining, dust generated in the polishing process can be automatically collected and treated, the dust is prevented from diffusing in air, cleanliness of a workshop is kept, the risk that workers inhale harmful substances is reduced, and occupational diseases are avoided.

The utility model relates to an unmanned operation control system of a discharging car, and relates to the technical field of aluminum oxide production, and the unmanned operation control system comprises a wireless network device which covers an operation area through a wireless network; the real-time position distance between the discharging trolley and the target grinding head stock bin is positioned through a positioning device; the height of the mineral aggregate in the bin grid is monitored through the material level monitoring device; and the center console controls the unloading vehicle to move to the real-time position distance, and the ore raw materials transported by the unloading vehicle are unloaded into the bin cells till the height of the ore materials is equal to the preset height of the ore materials. According to the scheme, an operator does not need to go to the site personally and only needs to remotely control the discharging car at the center console, direct exposure in a high-dust environment is avoided, the risk of suffering from occupational diseases such as pneumoconiosis is reduced, interference of steam and dust in a high-humidity environment is avoided, position information of the discharging car can be accurately obtained, and the working efficiency is improved. Positioning deviation caused by visual interference is avoided, and material leakage or blockage accidents are avoided.