43results about How to "Reduce the hazards of working at heights" patented technology

The invention relates to a high-altitude crimping apparatus of a power transmission line. The apparatus comprises a hydraulic scissors, a hydraulic wire stripper, and a crimping machine. The crimping machine is on a transverse ladder and can move on the transverse ladder; two ends of the transverse ladder are respectively equipped with a lifting hook and a cross-arm hasp, wherein the lifting hookand the cross-arm hasp are used for supporting and suspending the transverse ladder; the transverse ladder can make rotation relatively to the transverse ladder. An oil pump is arranged at an end of the transverse ladder, wherein the end corresponds to one end that is provided with the cross-arm hasp. According to the invention, the end of the cross-arm hasp is connected with a tower corner iron and the lifting hook is connected with a fixed cable or a wire rope, so that the whole transverse ladder can be installed and fixed in the air; a worker can complete the compression joint work of conducting wires on the transverse ladder, so that a reliable working platform is provided and danger of high-altitude working can be reduced; when the conducting wires can not be bent, the crimping machine can move or make rotation by a mobile frame body and a base plate support of the crimping machine, so that labor intensity of the working people is reduced. Besides, the working efficiency can be improved rapidly. The apparatus has advantages of compact structure and safety and reliability. And the apparatus is also easy to install and use.

The invention relates to an all-steel attached scaffold mounting method. The method includes: assembling a scaffold unit on the ground, splicing a scaffold hoisting section, mounting an attached supporting system and a lifting system on the scaffold hoisting section and a building structure, and sequentially hoisting other scaffold hoisting sections. The method is convenient in construction and high in efficiency, and danger during aloft working is reduced.

The invention provides a tall and big space ultra-large air duct assembling device and a construction method. The assembling device comprises a hoisting bracket and an assembling platform; the hoisting bracket comprises a transverse beam and two bottom beams, the two ends of the transverse beam are connected with the two ends of the two bottom beams through longitudinal beams, stiffening beams arearranged between the two bottom beams, a lifting device is arranged on the transverse beam and used for lifting air ducts, the two ends of the bottom beams are provided with traveling wheels, and profile projections of the longitudinal beams, the bottom beams and the stiffening beams form a triangle; the assembling platform is composed of standard joints of a box frame structure, and the standardjoints are used for allowing the air ducts to be placed; the hoisting bracket cooperates with the lifting device, and the inner space of a venue is utilized to the greatest extent; according to the length of the assembled air ducts, after the multiple standard joints are selected to be assembled, the air ducts are placed on the standard joints, the flexibility is high, the hoisting bracket has the air duct transferring function, and the multiple air ducts can be hoisted and installed at a time; and the high altitude construction time is shortened, the high altitude construction risk is reduced, the structure is simple, and manufacturing is easy and quick.

The invention discloses a novel live-line SF6 leak detection device which comprises an insulation rod. The upper end of the insulation rod is fixedly equipped with a support platform. The side portion of the support platform is fixedly provided with an SF6 gas leak detector. The SF6 gas leak detector is provided with a support rod extending outwardly. The support rod is equipped with an SF6 gas leak detection sensor. The SF6 gas leak detection sensor is connected to the SF6 gas leak detector. The support platform is further provided with a bamboo-joint support tube. The top end of the bamboo-joint support tube is rotatably provided with a convex mirror. The SF6 gas leak detection sensor can be close to electrical equipment to carry out SF6 gas leak detection through the insulation rod; and specific information of the detected parts can be observed through the convex mirror, so that work personnel are allowed to check the detected parts carefully on the ground, and the risk of climbing high to work is reduced. The device can carry out leak detection on the live parts of the equipment under the condition of not cutting off the power, is low in cost and simple in structure, and reduces power failure time.

The invention discloses an intelligent fire extinguishing device for a building. The device comprises a bottom plate, wherein a lifting mechanism is arranged at the upper end of the bottom plate, two telescopic supports are arranged on the lifting mechanism, second connecting pieces are rotatably connected to two sides of the upper ends of the two telescopic supports, and a transverse plate is jointly fixed to the upper ends of the four second connecting pieces; an extending mechanism is arranged at the upper end of the transverse plate, a first lifting frame is arranged on the extending mechanism, and first straight ruler strips are fixed to the opposite sides in the first lifting frame. By matching the lifting mechanism with the extension mechanism, a high-pressure gun can be lifted to the height which cannot be lifted by a traditional fire ladder and a ladder truck for fire extinguishing, and by matching the rotating mechanism with the electric telescopic rod, the angle of the high-pressure gun for spraying fire extinguishing substances is controlled, so that the high-pressure gun is intelligently controlled to extinguish the fire of a high-rise building, the danger of high-altitude operation of the firefighter can be saved, and the danger of a firefighter is effectively reduced.

The invention relates to a current transformer capable of being started outdoors. The current transformer capable of being started outdoors comprises an upper semicircular iron core, a lower semicircular iron core, an upper outdoor semicircular resin shell and a lower outdoor semicircular resin shell, wherein a metal magnetism-conducting powder adhesive layer is arranged between the contact surface of the upper semicircular iron core and the contact surface of the lower semicircular iron core. According to the current transformer capable of being started outdoors, the metal magnetism-conducting powder adhesive layer is arranged between the contact surface of the upper semicircular iron core and the contact surface of the lower semicircular iron core, the upper semicircular iron core and the lower semicircular iron core are sealed through the upper outdoor semicircular resin shell and the lower outdoor semicircular resin shell, a wire to be tested penetrates through semicircular elastic rings on a central hole defined by the upper outdoor semicircular resin shell and lower outdoor semicircular resin shell in a connected and fixed mode, and then stable and high-precision use of the current transformer is achieved. The current transformer capable of being started outdoors is simple in structure, fast in installation, small in amount of leakage flux, high in measurement precision, good in partial discharging performance, resistant to aging, safe to use, and long in service life.

The invention discloses an extra-high voltage power transmission line strain insulator string in-out operation connecting device which comprises a fixing base, a fixing base is fixedly installed at the top of the fixing base, a climbing rod is fixedly installed at the top of the fixing base, and a fixing frame is installed on the outer side of the climbing rod. The top and the bottom of the fixingframe are fixedly connected with the tops of the fixed clamping blocks through a plurality of bolts respectively, and the top of one clamping block is rotationally connected with a fixed clamping block through a movable pin. According to the scheme, through mutual cooperation of the multiple climbing mechanisms, the climbing mechanisms slide on the climbing rods, the insulators are conveniently driven to be adjusted in horizontal height, and through installation of the sliding columns, the first hinge seats are driven by the sliding grooves to move up and down on the second hinge seats; and the climbing blocks can quickly slide up and down under the action of the crawler belt in cooperation with the connecting plate while sliding, so that the danger of high-altitude operation of workers is reduced, and the mounting stability of the insulator is improved.

The invention discloses a detachable rain shed which comprises four upright columns, a rain shed body and a rain shed supporting frame. According to the technical scheme, a manufacturing method of the detachable rain shed includes the steps of welding flange blind plates, installing and welding rain shed supporting frame lugs, installing the rain shed body and carrying out butt joint of the flange blind plates. According to the detachable rain shed and the manufacturing method of the rain shed, the structure is simple, detachment is convenient, it is guaranteed that rain shed colorful tiles are timely and effectively replaced, normal operation of a device is guaranteed, and the danger of aloft work is greatly reduced.

The invention discloses a reinforced concrete half wrapped column formwork rapid mounting and dismounting device and a construction method thereof. Profiled plates and flat substrates are combined toform formworks, lock grooves are welded to the ends of the formworks correspondingly, the formworks are combined to be a whole through the lock grooves, screws for enabling the formworks to be connected are arranged at the joints in the perpendicular direction, the screws are welded in the rising and mounting processes of the formworks, meanwhile stop levers used for controlling the thickness of column wrapping concrete are welded to the screws, the screws are connected with the two formworks, after installation, nuts are screwed up, and therefore formwork installation can be conveniently andrapidly completed; and then concrete pouring is conducted, after concrete pouring is completed, the nuts are loosened, the formworks are removed sequentially from top to bottom, and rebar heads whichare reserved after the formworks are removed serve as welding anchor bolts in the rock wool thermal insulation board construction process.

The invention discloses a pin pulling device used for pulling connecting pins of insulators with various types, which comprises a connecting rod of a main body; the front end of the connecting rod is provided with a semi-circle pin pulling hook, the rear end of the connecting rod is provided with a flat pin pulling shovel, the flat pin pulling shovel is arranged in a way that the flat pin pulling shovel forms an angle being 145 degrees plus and minus 10 degrees with the connecting rod. The beneficial effects are that when the device is used, the limiting of types of the insulators is avoided, by using the device, line repair personnel can realizes replacement of 35kV-500kV tension resisting insulators and the insulators with the various types on a straight line pole, the efficiency of work of electricity transmitting line repair is improved, and the working time of the repair personnel can be reduced, so that the danger of aloft working can be reduced, and particularly due to the advantages of being light and practical, simple and convenient to use, and safe and reliable, a solid foundation for generalization and application of the device can be established; when the device is used, the applying force of a porcelain bottle is smaller and short in time, so that the explosion is not caused; and during operation, the porcelain bottle can not be collided so as not to cause the crack of the porcelain bottle accidently.

The invention relates to blast furnace installation. The invention relates to an installation method of serial type bell-less furnace top charging equipment of center of a super-huge type blast furnace, and the installation method is as follows: before furnace shutdown, completing installation of a furnace top equipment lifter; after a new furnace shell is installed, dismantling an upper-stage furnace shell lifter, and installing a sliding beam on a seven-layer large platform; completing assembly of a rotating ring beam on the ground, welding a special hoisting sling on the rotating ring beam, and lifting the rotating ring beam on the sliding beam; using a synchronous hydraulic cylinder to push the sliding beam into the center of a blast furnace body; after the furnace top equipment lifter and the rotating ring beam are assembled, temporarily lifting the rotating ring beam, and installing a big pull rod of a weighing material tank onto the rotating ring beam; overall lifting the weighing material tank and a weighing material tank rack onto the sliding beam; carrying the weighing material tank rack and a weighing material tank top to the center of the blast furnace body by the same method; connecting the big pull rod bottom and the weighing material tank; and overall lifting the connected weighing material tank and the ring beam in place. The installation method satisfies the demand of time limit for a project, reduces the workload of workers, and reduces the risk of work high above the ground.

The invention discloses a support system for a large-sized oblique woven gusset plate lattice shell structure. The support system for the large-sized oblique woven gusset plate lattice shell structure comprises a foundation treatment part, a main support structure mounted on the foundation treatment part and chord positioning steel pipes located on two sides of the main support structure. The assembly method includes the steps of dividing into small units, positioning cross-shaped gusset plates, conducting blanking on the length of a strut angle iron according to coordinate of a positioning coordinate point Z, positioning the strut angle iron to a steel platform, installing the cross-shaped gusset plates to a lattice shell structure, installing lattice shell web members between the cross-shaped gusset plates and the chord positioning steel pipes, and completing the assembly of a woven gusset plate lattice shell unit. By adoption of the novel technical device, the assembly of the woven gusset plate lattice shell can be complete rapidly and accurately, and the support system is convenient and reliable; and high altitude work is reduced greatly, so that safety of construction workers is guaranteed better, and work amount is reduced. According to the support system for the large-sized oblique woven gusset plate lattice shell structure, the application of the assembly method is improved on aspects of cost saving, construction speed, safety and civilized construction.

The invention relates to an intelligent detection robot for a positive and negative 800-kilovolt high-voltage direct-current transmission line insulator. The intelligent detection robot comprises a plurality of main guide rods and a main bracket, wherein the main bracket is foldable along the circumferential direction and can be sleeved on an insulator string; the main guide rods are located on the inner side of the main bracket and are connected with the main bracket; at least one walking arm which is capable of rotating and driving the intelligent detection robot for the positive and negative 800-kilovolt high-voltage direct-current transmission line insulator to move along an axial direction of the insulator string is connected with one side of the main bracket; a detection control unit capable of controlling the motion state of the walking arm and detecting the performance of the insulator string is also arranged on the main bracket. The intelligent detection robot for the positive and negative 800-kilovolt high-voltage direct-current transmission line insulator has a simple structure, is stable and reliable, is capable of increasing the detection efficiency of the insulator string and is capable of reducing the danger of aloft work.

The invention discloses a special street lamp maintenance vehicle for municipal engineering. The vehicle comprises a vehicle body, a water tank and an air pump. The water tank, the air pump and a supporting base are installed on the vehicle body, a water pump is arranged in the water tank, a water pipe is installed on one side of the water pump, the upper end of the water pipe extends out of the water tank body and is connected with a hose, and one end of the hose is connected with a water spraying head. A hydraulic telescopic frame is movably connected to the upper end of a supporting seat, a holder is movably connected to the upper end of the hydraulic telescopic frame, a surrounding plate is installed on the peripheral side of the holder, an air pipe is installed at the upper end of the air pump, the air pipe penetrates through the surrounding plate, and an air spraying head is connected to the end of the air pipe. A street lamp can be cleaned through a water gun, and water pressure can be adjusted according to conditions; and then the water street lamp is dried through an air injection gun, similarly, the air pressure can be adjusted according to the situation, the effect can be well achieved, and meanwhile a rusting situation can be prevented.

The invention discloses a jacking process and a jacking mechanism for additionally installing an elevator in an existing house, and the jacking process and the jacking mechanism are used for additionally installing an elevator in an old community. The main process and mechanism comprise the steps that an elevator foundation pit is constructed, and steel column embedded parts and hoisting equipment embedded parts are pre-embedded; a scissor crane is mounted; an elevator shaft steel structure is spliced, and an enclosure curtain wall, a roof hook beam and a roof panel are mounted; a scissor crane jacking platform beam is connected with the elevator shaft steel structure beam; a jacking guide rail and a guide rail pulley connected with the jacking platform beam are installed; the first section of elevator shaft is jacked to a preset position; a steel column of the next section of the steel structure hoistway continues to be spliced; and the mounting processes are repeated to finish the entire elevator mounting. The jacking process has the advantages that the steel structure, the enclosure structure and the electromechanical equipment of each section of elevator can be installed on the ground, and then the elevator is jacked in place at a time. The jacking process is high in adaptability, fast in construction progress, simple in structure and convenient to operate, and high-altitude hoisting and mounting operation is reduced.

The invention relates to a method and a device for configuring lamp information. The method comprises the steps that a pre-configuration instruction is generated and sent to a slave through a head host, so that the slave is disconnected from other slaves according to the pre-configuration instruction; the head host sends configuration data information of the head host to the slave and converts theconfiguration data information into the slave, so that the slave is converted into a rotation host after receiving the configuration data information; the rotation host performs configuration according to the received configuration data information, communicates with the next unconfigured slave, and sends the configuration data information of the rotation host to the unconfigured slave and converts the configuration data information of the rotation host into the slave, so that the slave is converted into a new rotation host after receiving the configuration data information; and the step thatthe rotation host carries out configuration according to the received configuration data information is returned until all the lamps are configured, so that the lamps are automatically configured oneby one, the configuration efficiency is improved, and meanwhile, the frequency of aloft work is greatly reduced.