59results about How to "Reduce the risk of work" patented technology

The invention relates to a method for testing double segments Zinc oxide arrester insulation state, which belongs to the field of power supply establishment test technology. According to the invention, the first grounded ammeter is connected in series with Zinc oxide arrester lower segment, the middle connecting part between the two segments is connected with direct current high voltage test instrument and the second ammeter, pressurizing from the middle connecting part of the two arrester, at first observating the first ammeter, adjusting for obtaining the leak current valve of the arrester; then adjusting the direct current high voltage test instrument, reading current valves of the first ammeter and the second ammeter, obtaining the leak current valve of the upper segment of the arrester from the difference of the two readings. The method of the invention can avoid removing high voltage down-lead, without ascent, reduce the labour intensity and working danger, at the same time avoid the bother of wire change in test, and improve working efficiency. In addition, because the middle segment wire of the double segments Zinc oxide arrester is lower than the top of the upper segment, it is safe and simple to test wire with a certain included angle.

The invention relates to a line bracing tool used for climbing overhead line during power maintenance. The line bracing tool is a lever mechanism mainly consisting of a main arm, a force bearing arm and a bracing rod, wherein a chute is formed on the side surface of the force bearing arm; the upper end of the force bearing arm is movably connected with the middle part of the main arm; a line slot is formed in one end of the main arm; a force arm adjusting ring is sheathed on the main arm; the lower end of the force arm adjusting ring is movably connected with the bracing rod; the other end of the bracing rod is embedded in the chute and can slide up and down in the chute. According to the technical scheme, the line bracing tool provided by the invention can be fixed on the top operation surface of an electric pole, and can hang a conductive wire stably in the air based on effort saving effect of the lever principle, thereby providing convenience for operators in winding aluminum armour tape and placing the wire in an insulator groove, reducing labor intensity, reducing operation risk, and improving work efficiency.

The invention discloses a heavy road cone pick-up and arranging robot, relating to the field of intelligent traffic mechanical equipment. The heavy road cone pick-up and arranging robot comprises a road cone storage rack placed on a body and a longitudinal transfer mechanism for moving the road cones back and forth, wherein an image identification system, a road cone pick-up and arranging manipulator and a transverse transfer mechanism are arranged on the road cone storage rack; the image identification system is used for identifying the positions of the road cones on a pavement; the road cone pick-up and arranging manipulator is used for picking up road cones arranged on the pavement and placing the picked-up road cones on a transverse storage platform, as well as picking up road cones from the transverse storage platform and arranging the road cones on the pavement; and the transverse transfer mechanism is used for moving the road cones left and right. The heavy road cone pick-up and arranging robot has the advantages of dispensing with manual participation in the whole working process, reducing risk in operation, lowering labor intensity, saving manpower and improving operational efficiency.

The invention discloses a shaped and fabricated formwork construction process used for a shear wall at an expansion and contraction joint. The construction process includes making a shaped and fabricated formwork; setting up a common formwork by using wood boards on the other side, opposite to the expansion and contraction joint, of a wall body; arranging positioning rebars at the root of the wall body of the shear wall; hoisting the shaped and fabricated formwork to one side, facing the expansion and contraction joint, of the wall body, preliminarily positioning the shaped and fabricated formwork through the rebars, and fixedly connecting the shaped and fabricated formwork with the common formwork through a wall-penetrating screw. By the shaped and fabricated formwork construction process, the problem that the expansion and contraction joint is narrow in space and high in construction difficulty is solved; personnel only needs to hoist the shaped and fabricated formwork to the side, facing the expansion and contraction joint, of the wall face, set up the common formwork on one side of a non-contraction joint of the shear wall, perform operation on an operating face and utilize the wall-penetrating screw to fix the shaped and fabricated formwork with the common formwork, so that construction difficulty and operating risk are lowered, construction efficiency is improved, and construction cycle is shortened.

A method for automatic tunneling for a coal mine small section tunnel by the use of pipe-jacking coal mine automatic tunneling equipment utilizes pipe-jacking coal mine automatic tunneling equipment to conduct small section tunnel construction in a coal mine. A section can be formed for one time and high construction efficiency can be achieved. Tool pipes are arranged on the back side of a machine head; external diameter sizes of the tool pipes and the machine head are the same; with a socket-connection way, a front flange of a pipe behind is tightly applied to a back flange of a pipe front; a main jacking device is disposed in a work chamber; the pipes are pushed and jacked by the main jack device; when main jack oil cylinders forwardly extend in place, the main jack oil cylinders are collected; I-shaped steel and an electric hoist are arranged over the chamber; tool pipes placed in an auxiliary chamber can be hoisted to a main jack guide rail by the electric hoist; after pipelines are connected with cables, the equipment continues to jack forward until the tunnel construction is finished. The method is advantaged by fast tunneling speed, small labor intensity and work difficulty reduction; work danger can be reduced and labor intensity of workers can be reduced; and an important meaning is provided for cost reduction and effect improvement in the coal mine industry.

The invention provides a calcium carbide waste heat recycling method. Calcium carbide is discharged from a calcium carbide furnace, the temperature of the calcium carbide can reach about 2200 DEG C, and the calcium carbide carries high thermal energy. According to the method, calcium carbide waste heat is recycled in radiation and convective heat transfer modes. A calcium carbide discharge and collection system, a closed tunnel, a calcium carbide feeding system and a water-cooling wall system are involved. After calcium carbide materials are discharged out of the furnace, the calcium carbide materials are continuously conveyed through the calcium carbide discharge and collection system and fed to the calcium carbide feeding system, the whole calcium carbide discharge and collection system and the calcium carbide feeding system are located in the closed tunnel, and the water-cooling wall system is disposed in the tunnel. Heat of the calcium carbide materials is recycled through water circulation, and the heat is converted into steam energy through a water-cooling wall and cooling media in a pipe of the water-cooling wall to be used for power generation or technologies. In the calcium carbide cooling process, solidification of a calcium carbide boiler ingot can be avoided. Meanwhile, a waste heat collecting method is simple, process equipment saves energy and is simple, investment is low, the energy-saving effect is high, and produced steam can be used for power generation or other uses.

The invention discloses a continuous casting secondary cooling nozzle and a using method therefor. The nozzle body of the secondary cooling nozzle is a pipe, the secondary cold nozzle is processed into a nozzle inner hole, a throttling block installing hole, an internal screw thread used for fixing, and a nozzle in order starting from the rear end; a throttling block is installed in the throttlingblock installing hole, and the throttling block is a circular column that the center of the circular column is provided with the throttling hole; the nozzle is in an elliptical shape; the front end external surface of the nozzle body is processed into an upper spherical surface of the nozzle head part and a lower spherical surface of the nozzle head part, a front end projecting is formed betweenthe front-most ends of the upper spherical surface of the nozzle head part and the lower spherical surface of the nozzle head part, a projecting in a nozzle direction is formed between the upper spherical surface of the nozzle head part and the lower spherical surface of the nozzle head part along the nozzle direction; two arced nozzle guiding tangent planes are respectively cut on an upper marginside and a lower margin side of the nozzle, and a nozzle guiding tangent plane groove is formed on the outer end of the elliptical nozzle. The service life of a crystallizer copper plate is effectively improved, and the nozzle is prevented from being blocked by slag and the like.

The invention discloses a novel method for installing an exterior sun-shading shutter window, which comprises the steps of: 1) determining the position of installing a special guide rail depending on the size of a window opening; 2) fixing end bases at two ends of the special guide ray; 3) integrally fixing a driving motor and a transmission shaft in the end bases; 4) determining the opening of the maximum travel of the exterior sun-shading shutter upward and downward, and fixing a stop block; 5) debugging the driving motor to avoid the blockage of a curtain piece in the rotating process; 6) regulating the stop block once again depending on the opening and the closing positions; 7) repeatedly operating until the opening and closing are stable, fixing a shaping box; 8) filling a clearance between the special guide rail and the wall surface as well as the clearances between two ends of the shaping box and the window opening by sealing glues; and 9) cleaning the working field. The method is simple and convenient, and is unnecessary to construct on the exterior wall of the high-rise building, therefore, the working danger of the constructor in the high-rise building is reduced, and the anti-wind performance of the shutter window is improved; and the installation cost is reduced, and the maintenance is convenient.

The invention provides an intelligent voice control system for a tower crane, belongs to the technical field of tower cranes, and aims to solve the problems that an existing tower crane needs to be driven manually and is relatively high in operation risk. The system comprises a wireless intelligent terminal, a voice controller, a frequency converter control panel, an amplitude-variable frequency converter, a height frequency converter and a rotary frequency converter, the wireless intelligent terminal is in wireless communication connection with the voice controller, and the voice controller,the amplitude-variable frequency converter, the height frequency converter and the rotary frequency converter are electrically connected with the frequency converter control panel; voice intelligent control of a tower crane is achieved, voice control can be conducted on the ground, a large amount of manpower and material resources are saved, and the operation risk of workers is reduced.

The invention discloses a device for measuring the zinc-pot-bottom-slag height. The device for measuring the zinc-pot-bottom-slag height comprises a base (1); a pressure measurement rod (2) capable ofperpendicularly moving up and down and a perpendicular-moving driving mechanism for driving the pressure measurement rod (2) to move up and down are arranged on the base (1) in the vertical direction; a pressure-measurement-rod end head (3) is arranged at the lower end of the pressure measurement rod (2), and a pressure sensor (4) for detecting the pressing reactive force of the pressure measurement rod (2) is connected to the pressure measurement rod (2). According to the device, regular, multi-point and automatic measurement of the zinc-pot-bottom-slag height can be achieved, height changesof zinc-pot bottom slag are effectively tracked, control over the zinc-pot bottom slag can be better guided accordingly, and the influence of the zinc-pot bottom slag on the product coating quality and the production efficiency is eliminated; in addition, the labor intensity and operation risk of manual measurement can be reduced.

The invention relates to the technical field of seasoning brewing production, in particular to a squeezing production line and a squeezing production process. On the squeezing production line provided by the invention, a first material cage arranged at a material distributing workstation is an openable and closable cage, and does not adopt a closed structure with a welded periphery any more, so that the first material cage can be separated from a material pile when the bottom surface of the first material cage is lower than the top surface of the material pile therein, that is, the first material cage can be detached without lifting the first material cage to be higher than the top surface of the material pile, and thus the cage detaching difficulty is low and the operating dangerousness is relatively low.

The invention discloses an automatic oiling machine. The machine comprises a controller, a rack, an oil applying device and an oil storage tank; the rear end of the oil storage tank is provided with amovable piston type tank bottom, the tank bottom is pushed, lubricating oil can be extruded from a conical oil outlet nozzle in the front end, a lubricating oil pushing mechanism and an oil storage tank support are arranged on the rack, an adapting pipe is arranged on the front end of the oil storage tank support, the oil applying device is connected with the front end of the adapting pipe, the oil storage tank is placed on an oil storage tank support, the conical oil outlet nozzle of the front end of the oil storage tank is inserted into the adapting pipe, the tank bottom on the rear end ofthe oil storage tank is in abut joint with a pushing disc, the pushing disc is connected with the work end of a lubricating oil pushing mechanism, during use, an oil distribution cavity in the oil applying device is aligned with the part, required to be charged with the lubricating oil, of a mechanical device, the lubricating oil pushing mechanism is started, the lubricating oil can be extruded into the oil distribution cavity, the lubricating oil can be automatically injected into the portion, required to be lubricated, of the machine, during filling, the manual lubricating repeated procedureis reduced, the automation degree is high, and the problems that the work is tedious, dirty, tired and dangerous can be solved.

The invention discloses a device for dismounting a T-shaped wire clamp of a high-voltage wire in hot-line work. The device comprises a lifting platform, a four-axis platform and an end execution mechanism, wherein the four-axis platform and the end executing mechanism are both of a conductive structure; the four-axis platform is fixedly mounted at the top of the lifting platform, and an insulatinglayer is arranged between the four-axis platform and the lifting platform; the four-axis platform can move in the X direction, the Y direction and the Z direction and rotate in the Z direction. The four-axis platform is provided with an equipotential mechanism capable of establishing an equipotential relationship with a high-voltage bus; the end executing mechanism is detachably buckled on the four-axis platform; and a nut breaking and cutting device capable of moving in the X direction, the Y direction and the Z direction is arranged on the end executing mechanism. A manual live working modeis replaced by the device, so an operator can be kept away from a high-altitude and dangerous working environment, and the accidents such as electric shock and high-altitude falling are avoided; theT-shaped wire clamp of the high-voltage line can be disassembled through the end executing mechanism under the live-line condition, the negative influence caused by power failure is avoided, and the power supply reliability is improved.

The invention relates to the technical field of automobile mounting auxiliary tools, and discloses an auxiliary device for assembling a fairing. The auxiliary device comprises a lifting hook hanging part, a control device and a suction tool assembly, the lifting hook hanging part is provided with an overturning air cylinder, the control device is in control connection with the overturning air cylinder, and the lifting hook hanging part is rotationally provided with a hinge part; and one end of the hinge part is connected with one end of the overturning air cylinder, the other end of the hinge part is fixed to one side of the suction tool assembly, and suction tools are mounted on the side, away from the lifting hook hanging part, of the suction tool assembly. According to the auxiliary device for assembling the fairing, the number of assembling personnel can be reduced, the operation safety is high, and the fairing is prevented from being damaged.