31results about How to "Avoid Operational Safety Hazards" patented technology

The invention relates to an automatic pressing production line of a large explosive column. The automatic pressing production line comprises a hydraulic press, which is composed of an upper beam, an upper return cylinder, an upper slide block with a cylinder, an upper punch, a middle girder with a die sleeve, and a lower beam. The automatic pressing production line is characterized by also comprising an automatic weighing and feeding device, a powder smoothing device and an automatic discharge device, which are arranged at the periphery of the hydraulic press; a lower return cylinder is arranged at the upper part of the lower beam; the lower return cylinder is connected with a lower slide block with a cylinder; a lower punch is arranged on the lower slide block with the cylinder; an automatic evacuating device is arranged at the lower part of the upper slide block with the cylinder; and mechanical limiting devices are arranged on the upper slide block with the cylinder and the lower slide block with the cylinder. The automatic pressing production line has the advantages that full-automatic operation of feeding, smoothing, two-way control and discharge of the explosive column can be achieved through the production line; the labor intensity of operating personnel can be greatly reduced; the production efficiency of a large-tonnage hydraulic press is improved; potential safety hazards are avoided; air bubbles of the explosive column in the pressing process can be reduced; the compact evenness and the accuracy of the explosive column are improved; and the product quality is also ensured.

The embodiment of the invention relates to a portable grounding wire state monitoring device and method. The device comprises a monitoring body, a wire clamp clamping detection module and a copper wire detection module, wherein the wire clamp clamping detection module and the copper wire detection module are connected with the monitoring body, and the monitoring body comprises a logic processing module, and a positioning detection module and a grounding position detection module which are connected with the logic processing module. According to the portable grounding wire state monitoring device, the logic processing module is adopted to analyze detection data and state information of the wire clamp clamping detection module, the copper wire detection module, the positioning detection module and the grounding position detection module and then judge a state of the portable grounding wire, and an operator can be assisted to confirm normal use of the grounding wire; potential hazards to personal safety of operators and operation safety of a power grid caused by incorrect hanging positions, loosening, missed dismounting and the like of the ground wire are avoided, and a technical problem that an existing ground wire monitoring platform cannot know the abnormal state of the ground wire in time is solved.

The invention discloses an activated carbon adsorption and catalytic combustion device for VOCs waste gas treatment. The device comprises an adsorption apparatus and a desorption apparatus, the adsorption apparatus comprises at least one movable activated carbon module, the adsorption apparatus is provided with a plurality of adsorption cavities, the activated carbon module can be taken out and installed relative to the adsorption cavities, and when installed in the adsorption cavities, the activated carbon module can be used for adsorbing organic components in VOCs waste gas; the desorption apparatus is provided with a plurality of desorption cavities, the activated carbon module can be taken out and installed relative to the adsorption cavities, and when the activated carbon module is installed in the adsorption cavities, the desorption apparatus is used for desorbing the activated carbon module for regeneration. The activated carbon adsorption and catalytic combustion device for VOCs waste gas treatment provided by the invention has the advantages of convenient use and operation, low cost, small floor area and wide application range.

The invention relates to a preparation method of methyl o-sulphamoylbenzoate. The preparation method specifically includes the steps of conducting a diazo reaction, conducting a replacement reaction, conducting a chlorination reaction, conducting a standing reaction, conducting an amination reaction, conducting a neutralization reaction, dewatering, drying and packaging. In the dewatering step, mother liquid is placed in a diaphragm press filter to be subjected to extrusion and diaphragm bulging press and then subjected to re-extrusion and diaphragm bulging after being washed, a filter-press dehydration separation technology is initiated and replaces a traditional centrifugal dewatering separation technology, and then the dewatering purpose is achieved. Compared with the prior art, more electricity and water are saved through the method, the capacity under the equal energy consumption is greatly improved, the production environment is improved, and the labor intensity is relieved.

The invention discloses a corrosion resisting insulation medium voltage switch cabinet comprising a cabinet body, a bus room, a breaker room, a cable room, a relay meter room and a pedestal; the pedestal is arranged on the cabinet body bottom; the bus room, the breaker room, the cable room and the relay meter room are arranged in the cabinet body; the bus room is arranged on the upper portion in the cabinet body; the cable room is arranged below the bus room; the breaker room is arranged on one side of the bus room; the relay meter room is arranged above the breaker room; the corrosion resisting insulation medium voltage switch cabinet is simple in structure, reasonable in distribution, safe in operations, corrosion resisting, and long in life.

The invention discloses an environment-friendly coating dispersing device which structurally comprises a supporting and stabilizing device, a fixing machine arm, a supporting frame, a connector, a driver, a coupling, a dispersing stirrer and a coating barrel. The upper surface of the supporting and stabilizing device and the lower surface of the fixing machine arm are welded and fixed to form an integrated structure, the outer surface of one end, close to the fixing machine arm, of the supporting frame is fitted with the outer surface of one end, far away from the driver, of the connector, thedriver is mechanically connected with the coupling, one end, far away from the coating barrel, of the dispersing stirrer is embedded into the coupling and rotatably connected with the coupling, the coating barrel is arranged on the lower portion of one end, far away from the coupling, of the dispersing stirrer, and the lower surface of the coating barrel is fitted with the upper surface of the supporting and stabilizing device. Potential safety hazards are eliminated by avoiding position deviation due to shaking of the coating barrel in dispersion, and the problem of operation potential safety hazards caused by easiness in shaking and position deviation of a disperser body is avoided by increasing the friction force of a disperser and the ground.

The invention discloses an automatic feeding and discharging and multi-face cutting device of a three-axis computer numerical control (CNC) lathe. The automatic feeding and discharging and multi-face cutting device comprises a CNC platform. A CNC workbench is installed on the CNC platform. A rack module for containing a plurality of workpieces is installed outside one side of the CNC workbench. The CNC workbench is provided with a first pneumatic chuck module for clamping the workpieces, a horizontal rotation module for driving the workpieces to rotate horizontally, a feeding module for vertical rotation and horizontal delivery of the workpieces, and a second pneumatic chuck module for clamping the workpieces. A spindle forklift module for transporting the workpieces among the modules is installed above the CNC workbench. By means of the automatic feeding and discharging and multi-face cutting device of the three-axis CNC lathe, the three-axis CNC lathe can have the multi-face cutting function as a four-axis CNC lathe and a five-axis CNC lathe; and the automatic feeding and discharging and multi-face cutting device has the advantages of being simple in structure, convenient to manufacture, low in cost and high in efficiency.

The invention provides a masterbatch drying device and belongs to the field of masterbatch drying. The masterbatch drying device comprises a housing, a cover core, a temperature control panel, a time control panel, a thermocouple and a fixing device, wherein the cover core, the temperature control panel, the time control panel, the thermocouple and the fixing device are mounted on the housing; the thermocouple measures the temperature of a masterbatch via the fixing device; the temperature control panel performs heating temperature control operation on the cover core; the time control panel sets a time period according to a temperature change. The device has the following advantages that the temperature can be measured more accurately and safely, a more convenient and quicker man-machine operation interface is added, and the energy of experiment personnel is saved.

The invention relates to a detection method and device of a safety controller, equipment and a storage medium. The method comprises the steps: acquiring at least two blocks obtained by dividing the space of a storage unit in advance; determining a current to-be-detected target block from at least two blocks; judging whether a control task for the equipment is acquired or not; if the control task is obtained, enabling a control device to execute the a control operation corresponding to the control task, and after the control task is executed, detecting the target block. The storage unit is detected for multiple times through the block division operation, whether the control task exists or not is determined before the target block is detected each time, and when the control task exists, detection on the target block is interrupted, and the control device executes the control operation corresponding to the control task, so the situation when the storage unit is detected at a time, due to the fact that a control task on the equipment is not executed, the potential safety hazards exist in the operation of the equipment.

The invention relates to an automatic pipe buckling assembling production line for an air conditioner pipeline. The automatic pipe buckling assembling production line comprises an assembling table, arobot and a pipe buckling machine. The assembling table assembles a to-be-buckled pipefitting, the robot grabs the to-be-buckled pipefitting on the assembling table and transfers the same to a pipe buckling station of the pipe buckling machine, the pipe buckling machine buckles the to-be-buckled pipefitting at the pipe buckling station, and the robot takes down the buckled pipefitting at the pipebuckling station of the pipe buckling machine and transfers the buckled pipefitting to a discharge position. The pipefitting needed to be buckled is placed to the assembling table to be assembled, thepipefitting is transferred to the pipe buckling station of the pipe buckling machine through the robot, the pipefitting is buckled by the pipe buckling machine, after pipe buckling, the robot transfers the pipefitting to the discharge position, and then the robot grabs the to-be-buckled pipefitting from the assembling table in cycles. According to the production line, the operating potential safety hazards as staff is in direct contact to the pipe buckling machine are avoided, and the staff only needs to assemble the pipefitting need to be buckled on the assembling table, so that the labor intensity of the staff is reduced, the work efficiency is enhanced, the pipe buckling consistency is guaranteed, and the automatic degree is improved.

The invention discloses an automatically-controlled casting ladle plug rod opening and closing device. The technical problems that in the prior art, a plug rod opening and closing device is manually operated, operation is dangerous, safety is poor, and the casting quality is affected are solved. The automatically-controlled casting ladle plug rod opening and closing device is arranged on a ladle body; a connecting rod mechanism comprises a vertical connecting rod and a transverse driving connecting rod; the bottom of the vertical connecting rod is hinged to the middle of the transverse driving connecting rod; a hydraulic system device comprises a vertically-fixedly-arranged hydraulic cylinder; a piston rod of the hydraulic cylinder stretches out of the bottom of the hydraulic cylinder, and the end of the piston rod is hinged to the left end of the transverse driving connecting rod; the bottom end of a vertical plug rod is hinged to the right side of the transverse driving connecting rod; the lower portion of the vertical plug rod is connected with a bottom water filling nozzle of the ladle body; and the hydraulic system device controls the piston rod of the hydraulic cylinder to stretch out and draw back, a vertical sliding rod is driven to move up and down through transmission of the transverse driving connecting rod, and finally the vertical plug rod is driven to move up and down through a transverse arm. The automatically-controlled casting ladle plug rod opening and closing device can be widely applied to the technical field of casting machines.

The invention provides a box closing guiding device for a large sandbox. The device is used in the field of sand mold casting, and is used for solving the problems of large realization difficulty andhigh safety risk of inner box taper positioning in the molding or closing process of the large sandbox. The box closing guiding device for the large sandbox comprises a guiding rod, a first positioning piece and a second positioning piece, the first positioning piece is fixed on an upper sandbox, the guiding rod is inserted to the first positioning piece, and the second positioning piece is inserted to the guiding rod and is fixedly connected to the lower sandbox in order to realize ostensive box closing, so the safety risk of an operator in the box closing process is reduced, the efficiency of the box closing process is improved, the problem of uniform clamping of the sandbox, caused by nonalignment of positioning holes in the box edge due to torsion deformation of the upper sandbox and alower sandbox, is avoided, and the leak-out risk of metal from the sandbox is avoided.