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 discloses a tilting-type hydraulic machine. The tilting-type hydraulic machine comprises an elevator base frame and a base. A U-shaped plate is fixed to the top of the base through bolts. A third hydraulic rod is fixed to the inner wall of one side of the U-shaped plate through bolts. Side baffles are fixed to the two sides of the outer wall of the top of the base through bolts respectively. A rotary rod is fixed to the inner wall, on the side opposite to the other side baffle, of each of the two side baffles through bolts. A hollow bottom plate is arranged on the outer wall of the top of the base. A baffle is fixed to the outer wall of one side of the bottom plate through bolts. A rotary sleeve is arranged at one end of the bottom plate. An extension bas plate is arranged inside the hollow part of the bottom plate in an insertion connection manner. According to the tilting-type hydraulic machine, the working area can be well broadened through the extension bottom plate,the limitation on the working area is reduced, a base plate can play a good role in supporting a workbench when the workbench inclines, a wear-proof antiskid pad can play a good role in skid prevention, supporting bottom plates can keep stable well during work, shakes are lessened, and therefore, an elevator can be more stable in work.

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 belongs to the technical field of building protection devices, and particularly relates to a winding laying type building climbing frame net. The net comprises a limiting supporting device, a protection net body and a conveying winding device. According to the net, a connecting round pipe of the limiting supporting device is fixedly connected to a round rod on the outer side of a scaffold through a connecting accessory, then the conveying winding device provided with the protection net body is conveyed to the position below the scaffold, the outer end of the protection net body is controlled to penetrate through a channel formed among a U-shaped support, a roller and a limiting plate, and the conveying winding device is used for conveying the protection net body upwards alongthe channel, so that the protection net body on the outer side of the scaffold is quickly built, the building time of the protection net body is shortened, and the building efficiency of the protection net body is improved; and the protection net body is laid by controlling the conveying winding device, so that the trouble that a traditional protection net needs to be hoisted is avoided, meanwhile, the protective height of the protection net body can be adjusted at any time according to needs, and the protection net body is convenient to adjust.

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 discloses a high-altitude large-span cantilever structure construction platform and method. The construction platform comprises a concrete structure, a stand column pre-buried in the concrete structure, a parallel chord truss arranged on the stand column, an upper chord secondary beam arranged on a truss upper chord, a lower chord secondary beam arranged on a truss lower chord, and acontour plate or a supporting formwork arranged on the upper chord secondary beam. The construction platform can be used as the high-altitude cantilever concrete structure construction platform, andis particularly suitable for the situations of large suspension height, large span and large construction load. The construction platform is simple in structure and convenient to construct and install, the construction problem of the high-altitude large-span cantilever structure can be effectively solved, the construction method saves materials, the danger of high-altitude operation is reduced, the construction difficulty and the construction safety risk are reduced, meanwhile, cross operation with surrounding structures is avoided, and the construction efficiency of the high-altitude large-span cantilever structure is improved.

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 relates to an H-shaped steel beam bolt joint construction method. According to the H-shaped steel beam bolt joint construction method, in a steel structure deepening design stage, related simple measures are optimized into a design drawing, a processing factory conducts processing along with components, a connecting plate is fixed onto a steel beam by using a common bolt when the components leave the factory, part of mounting bolts are demounted during mounting on a site, the connecting plate is overturned, the steel beam is mounted, then high-strength bolt construction is conducted, mounting is quick, light and flexible, safety measures can be saved, and safety in the using process can be guaranteed; and by arranging temporary measures, on-site rapid positioning and mountingof full-bolt joints are guaranteed, meanwhile, the construction quality of the high-strength bolts is guaranteed, the construction cost is reduced while the working efficiency is improved, and the H-shaped steel beam bolt joint construction method is also suitable for construction of large steel beam web connecting plates.

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 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 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 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 discloses an LED energy-saving street lamp for protecting a storage battery based on a low-voltage protection circuit. The problems that damage caused by poor heat dissipation and lightning stroke of the street lamp in the prior art, the damage and service life shortening caused by the inconvenient maintenance, the large energy consumption, and nickel-metal hydride battery overdischarge are solved. The street lamp comprises a base, a hydraulic cylinder, a lamp column, a street lamp connecting rod, an illuminating lamp, a solar cell panel, a lightning rod, a maintenance platform,a control box, a climbing ladder, a maintenance platform, a reinforcing plate, a connecting part, a lampshade, cooling fins and an LED lamp strip, wherein a microprocessor and a solar storage batteryare arranged in the control box, and the solar storage battery is the nickel-metal hydride battery connected with the low-voltage protection circuit. According to the street lamp, the structure is simple, the design is scientific and reasonable and use is convenient, the damage caused by the poor heat dissipation and the lightning stroke can be effectively avoided, the maintenance is convenient, energy is saved, the environment is protected, and the service life of the LED lamp strip can be effectively prolonged, the overdischarge of the nickel-metal hydride battery can be prevented, and protection is carried out when the nickel-metal hydride battery is low in voltage.

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 present application relates to an intelligent traffic dynamic sign board, and relates to the technical field of traffic sign boards, which includes a vertical mount and an electronic sign on the top of the mount; the top of the mount is provided with a mount, so The bottom of the installation frame is also provided with a bearing plate; the electronic sign is installed on the object plate; the lower end of the mounting seat is equipped with a driving mechanism, and the mounting frame and the mounting seat are provided with a first fixed pulley. The output shaft of the driving mechanism is wound with a first steel cable, the first steel cable is wound on the first fixed pulley, and is fixedly connected with the object bearing plate; the mounting seat is provided with a fence mechanism, so The fence mechanism is connected to the mounting base; the upper end of the fence mechanism is provided with a second cable; Winding on the output shaft of the driving mechanism; the application has the effect of reducing the risk of maintenance and facilitating maintenance.

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.

The invention discloses a top glass cleaning device for a natural forest ecological control platform. The top glass cleaning device comprises a connecting hose, a liquid conveying pipe, a liquid supplementing opening, an air pressure box, a support rod, a spraying head, a banister brush, a moving platform, a cleaning block, a guide rail, an air cylinder, a hydraulic rod, a telescopic rod, a connecting opening and a through hole. The glass cleaning device has the beneficial effects that the connecting hose, the liquid conveying pipe and the liquid supplementing opening are conveniently matched with movable cleaning of the cleaning device, continuous supply of cleaning liquid in the whole cleaning process is ensured, the spraying head ensures the cleaning effect of the device, the cleaning liquid covering area of the device is increased, it is ensured that glass is bright and transparent, the banister brush facilitates dust removal before glass cleaning, solid knots are prevented from being generated, quick cleaning is achieved after cleaning, dust attachment is avoided, the support rod facilitates adjustment of the cleaning angle of the cleaning device, all-directional dead-corner-free cleaning is conducted, cleanliness of the top glass is guaranteed, manual operation is reduced through the cleaning block and the guide rail, the danger of high-altitude operation is reduced, and the top horizontal plane can be quickly cleaned.