13results about How to "Avoid job risk" patented technology

The utility model discloses a cutting plate grabbing device which comprises a main hanging beam, an opening and closing driving mechanism and a cutting plate holding claw which are sequentially arranged from top to bottom. The main lifting beam comprises a strip-shaped beam body which is horizontally arranged; the opening and closing driving mechanism comprises a worm lifting mechanism, a connecting beam and two connecting rod groups; the worm lifting mechanism is centrally fixed at the bottom of the main lifting beam, and a movable lead screw of the worm lifting mechanism is vertically downward and is connected with a horizontally arranged connecting beam; the two connecting rod sets are symmetrically arranged on the two end sides of the main beam body, and the top ends of two connecting rods of each connecting rod set are hinged to the end wall of the main beam body. The plate cutting holding claw is composed of two clamping claws symmetrically arranged below the two connecting rod sets, each clamping claw is composed of two crossed and hinged fold-line-shaped claw bodies, the top ends of the two fold-line-shaped claw bodies are hinged to the bottom ends of the two connecting rods on the same side, and the bottom ends of the two fold-line-shaped claw bodies are provided with oppositely-arranged hook bodies. The cut plate grabbing device is connected with hoisting equipment, so that the hoisting operation of bundled cut plates can be realized, manual operation assistance is not needed, the operation efficiency is high, and the risk is low.

The present invention discloses a gap monitoring method and device for the hoisting of a hydro-turbine generator rotor, and relates to the field of hydro-turbine generators. The method comprises: moving the rotor to the top of the stator pit, so that the center of the rotor and the center of the stator are initially aligned; collecting the first distance between the stator and the rotor, and when any of the first distances is less than a preset value, stopping the hook drop, and adjusting the center of the rotor until the rotor drops to the preset calibration position of the stator; collecting the first distance and the second distance between the stator and the rotor, and calculating the minimum real-time distance between the rotor and the stator, and when the minimum real-time distance is less than a preset value, adjusting the center of the rotor and then continuing to drop the hook until the rotor falls onto the frame brake in the stator pit. The method can monitor the gap during the rotor hoisting process, and calculate the current minimum distance between the rotor and the stator based on the monitoring results, which not only enhances the accuracy of the determination, but also greatly saves manpower and avoids the risk of personnel operation.

The utility model relates to a kind of overall hoisting system of large wind power equipment based on truss structure, and the system includes four overall truss structures being set in vertical ring around tower base, the connecting adjusting device with rotating and moving adjustment function, the slewing bearing mechanism with high-precision mark line, the laser positioning system for real-time acquisition position deviation, the level adjustment instrument for real-time monitoring horizontal state and the lifting device independently controllable;Through the collaborative work of each component, realize the synchronous lifting and high-precision installation of large wind power equipment from cabin, hub, blade to tower drum;Through five steps of early preparation, truss and component connection, lifting and attitude adjustment, high-altitude docking and unloading separation, significantly improve hoisting docking precision and operation efficiency, effectively avoid high-altitude operation risk, and enhance the wind resistance and adaptability of system in complex environment.

The utility model discloses a kind of automatic encircling gripping devices of brake disc assembly, comprising: frame, telescopic cylinder, fixed frame, two floating clamping jaws, bidirectional telescopic cylinder, guide rail is provided on frame;Telescopic cylinder is slidably connected on guide rail by sliding block, and is driven by driving mechanism;Fixed frame is fixedly connected on the piston rod of telescopic cylinder, and fixed frame is provided with slide rail along its length direction;Two floating clamping jaws are slidably connected on slide rail;Bidirectional telescopic cylinder is connected with two floating clamping jaws respectively by its main telescopic arm and vice telescopic arm, for driving two floating clamping jaws to move towards or to back movement.The technical scheme of the utility model uses automatic mechanism to assemble brake disc and hub, improves the efficiency of work.

The application discloses a kind of mine blasting operation scheduling communication method and system, it is related to mine blasting safety communication and intelligent scheduling field, the specific steps of this method are as follows: relying on mine wireless network real-time monitoring, collect global communication environment data and locate blind area and supplement point node;Iterate and extract parameters of the working channel that meet the conditions;Build global communication link through beamforming;Generate dynamic key encryption instruction and transmission;Receive terminal back data, update monitoring set and adjust parameters, form link closed loop operation mechanism.The application collects global communication data through cooperative operation, builds complete communication link, solves the problem of signal coverage loss, realizes operation area communication dead angle, improves anti-interference and transmission stability;Implement dynamic encryption and closed loop adjustment, ensure the safety of instruction transmission, form adaptive closed loop mechanism, avoid operation risk, optimize operation mode, improve scheduling efficiency and safety control ability.

The lamp with the adjusting assembly comprises a hollow lamp post, a connecting block is arranged on one side of the hollow lamp post, a fixing block is fixedly installed at the end, away from the hollow lamp post, of the connecting block, the fixing block and the connecting block are perpendicularly distributed, a rotating mechanism is arranged on the fixing block, and the adjusting assembly is arranged on the rotating mechanism. A support block is arranged on one side of the fixing block, a cavity is formed in the support block, a dismounting mechanism is arranged on the support block, and a lifting mechanism is arranged on the hollow lamp post. By arranging the lifting mechanism and the rotating mechanism, when the lamp is installed, a worker does not need to climb the lamp post through equipment, and the working risk caused by high-place operation of the worker is avoided. And by arranging the detachable device, the working efficiency in the maintenance process when the lamp breaks down is improved, the working efficiency is improved, and manpower and material resources are saved.

The invention provides a forest carbon sequestration amount determination method, and relates to the technical field of carbon sequestration amount determination.The method comprises the steps that the basic length of a determination grid is calculated according to crown data and regional area, grid division is conducted on a forest region according to the basic length, and terrain distribution data and forest remote sensing data of the forest region are obtained; the method comprises the following steps: constructing a terrain feature set of each grid, obtaining an image above a forest, constructing a forest recognition model, recognizing features of the forest in each grid, forming continuous grids into a detection region, and classifying the detection region according to the terrain feature set and the forest feature set of each grid in the detection region. And calculating the sampling distance from the detection region to the boundary of the forest region, calculating an overall sampling coefficient according to the number of the detection regions in each cluster and the sampling distance, determining the size of the detection regions, and selecting a calculation mode of the carbon sink amount according to the sampling distance of the divided detection regions.

This utility model relates to the field of slope support technology, and more particularly to a slope support device for deep foundation pit excavation adjacent to desert areas. It includes an installation plate; and also includes slids formed on the left and right sides of the top of the installation plate. A sliding plate is slidably connected inside the slids, and a rotating shaft is connected to the front end of the sliding plate. A connecting block is rotatably connected to the outer end of the rotating shaft, and a support frame is connected to the end of the connecting block away from the rotating shaft. A traction frame is connected to the top of the sliding plate, and a roller is rotatably connected to the upper front side of the installation plate. The roller is movably connected to the support frame. A positioning groove is formed on the top of the installation plate. The sliding plate slides on the slids, driving the rotating shaft to move. This utility model, through the cooperation of the slids and sliding plates, allows the support frame to move forward along the slids and naturally droop through the rotating shaft. This enables positioning and fixing within a safe area of ​​the slope before commencing support work, reducing personnel operation in dangerous areas and improving the safety and efficiency of the support process.

The invention provides a sprinkling irrigation type system suitable for an agriculture and light complementary power station, the sprinkling irrigation type system comprises a plurality of sprinkling irrigation units, each sprinkling irrigation unit comprises a photovoltaic support, a monitoring system is arranged beside the photovoltaic support, a plurality of L-shaped bent pipes are arranged on the side edge of the photovoltaic support, one end of each L-shaped bent pipe is connected with a liquid feeding channel arranged in an inner cavity of the photovoltaic support, and the other end of each L-shaped bent pipe is connected with a liquid discharging channel arranged in the inner cavity of the photovoltaic support. The other end of the L-shaped bent pipe is provided with a remote control variable spray head, and the other end of the liquid feeding channel extends out of the bottom of the photovoltaic support and is connected with a spray irrigation source after being converged to a main channel. According to the invention, photovoltaic power generation and precise irrigation technologies are combined, so that the irrigation efficiency is improved, the operation cost is reduced, and the safety and reliability of the system are ensured.

The utility model discloses a kind of quick hydraulic support pushing oil cylinder fixing pin devices under narrow space condition, it is related to hydraulic support pushing oil cylinder dismounting technical field, including hand pole, connecting rod and galvanized combined sleeve, hand pole one end below is equipped with connecting rod, connecting rod lower end detachably installed with galvanized combined sleeve, galvanized combined sleeve is composed of multiple hollow galvanized pipes of decreasing diameter;The utility model device can be realized by using the working principle of pushing oil cylinder, through the hollow galvanized pipe of pin taking device, the pin that needs to be taken out is placed in pin hole, pushing oil cylinder does retract action, pin is processed pin taking device, then the pin that needs to be taken out can be taken out through pin taking device, operating personnel also do not need to be taken fixed pin on pushing oil cylinder, solve the hidden danger of small space hammering operation, avoid the risk of personnel operation in the environment of narrow space of support pushing oil cylinder, to improve work efficiency, reduce risk.

The utility model relates to the technical field of blade polishing equipment, in particular to a pulping blade polishing device. Comprising a support, a grinding piece is arranged on the left side of the support, a longitudinal adjusting assembly is arranged on the support on one side of the grinding piece, and a transverse adjusting assembly is arranged on the right side of the support; the cutter table is connected with the longitudinal adjusting assembly in a sliding mode, and an extension plate connected with the transverse adjusting assembly in a sliding mode is arranged below the cutter table; the blade is driven to move back and forth through the longitudinal adjusting piece to achieve grinding operation, meanwhile, the blade can be quantitatively driven to move towards the grinding piece through the transverse adjusting piece, contact force is adjusted, grinding quality and grinding precision are guaranteed, and manual operation is replaced.

This utility model relates to a hydraulic system for automatic alarm and shutdown when encountering obstruction in coiled tubing, belonging to the field of coiled tubing operation technology. The technical solution is as follows: When the weight sensor on the injection head detects a sudden load change, and this load change reaches the initial set value, the weight sensor sends a pulse electrical signal to the solenoid directional valve. The main valve core of the solenoid directional valve reverses, and at this time, port 1 and port 2 of the solenoid directional valve are connected. Because port 2 of the solenoid directional valve is directly connected to the oil tank for unloading, the pressure difference acting on both sides of the three-position four-way servo valve is instantly relieved, and the three-position four-way servo valve returns to the neutral position. At this time, the output flow of the closed axial piston variable pump returns to 0, the speed of the injection head motor drops to 0, and the injection head motor automatically stops. This utility model does not require human intervention, avoiding operational losses caused by improper operation monitoring or failure to detect abnormal load fluctuations in a timely manner due to human negligence.

The application discloses a curved decorative aluminum plate installation error adjusting device and a construction method, and the device comprises a concrete connecting unit, a steel keel connecting unit and a control unit; the concrete connecting unit, the steel keel and the steel keel connecting unit are sequentially assembled into a curved decorative aluminum plate framework, and the sensor and the telescopic rod arranged in the concrete connecting unit and the steel keel connecting unit are used for intelligently adjusting the installation error of the curved decorative aluminum plate framework and the curved decorative aluminum plate, so that the operation personnel can solve the high-altitude installation construction problem of the curved decorative aluminum plate framework and solve the installation error adjusting construction problem of the curved decorative aluminum plate framework and the decorative aluminum plate, manual adjustment of the curved decorative aluminum plate in the high altitude is avoided, the safety of the operation personnel in the high-altitude construction operation is ensured, and the installation precision of the curved decorative aluminum plate framework and the curved decorative aluminum plate is effectively improved.