154results about How to "Easy to work at heights" patented technology

The invention discloses a multidirectional moving device of a shear mode lifter. The multidirectional moving device comprises a main body and a control system, wherein a base is arranged below the main body; a balancing weight and a lower slideway are mounted in the base; a lifting system is arranged above the base and comprises an internal shearing fork arm, a hydraulic cylinder and an upper lifting table; the internal shearing fork arm is composed of two support arms, and the two support arms are mutually crossed movably; an upper slideway is arranged in the upper lifting table; a movable lifting table is arranged above the upper lifting table; a turret is arranged between the upper lifting table and the movable lifting table; a motor is arranged in the center of the turret; two parallelrails are arranged on the upper surface of the movable lifting table; a guard bar is arranged on the rails; a sliding chute is formed in the bottom of the guard bar; and a horizontal air cylinder isarranged between the guard bar and the movable lifting table. According to the multidirectional moving device, through arranging a rotary table board at the top of the lifter, working aloft is facilitated, and the practicality is improved.

The invention discloses a cantilever beam structure of an antique plank road along a cliff and a construction technology thereof. The cantilever beam structure is formed by an H-type steel assembly, and a rock bolt assembly fixedly anchored on the rock wall of a mountain in a combining way, wherein the H-type steel assembly is formed by the combination of a steel backing plate (2) and H-type steel (3); the H-type steel (3) is welded on the steel backing plate (2) vertically and serves as the supporting beam of a road panel (7) of the antique plank road along the cliff; the rock bolt assembly is formed by the connection of rock bolts (1), bolts and nuts; and the rock bolts (1) are welded with the bolts in a surfacing manner. The construction technology of the cantilever beam structure is as follows: ensuring the position of the cantilever beam according to the design graph paper; eliminating the weathering surface and fractured rock mass of the locating-point rock surface, and scabbling and leveling; ensuring the length of the rock bolts (1) and drilling holes in the rock bolts; filling cement mortar into the rock bolt holes and inserting the rock bolts (1) welded with anchor heads; mounting the H-type steel assembly on the rock bolts after the cement mortar is solidified to a degree of the designed strength; and fastening with bolts. The cantilever beam structure is safe and reliable in structure, simple and convenient in construction technology, quick in speed, low in engineering cost, and good in simulating of the style of the antique, and is suitable for application along the cliff.

The invention relates to the technical field of distribution network line power equipment, in particular to a hot-line work robot system which comprises a robot work platform and a main controller connected with the robot work platform. The robot work platform is provided with a robot body, a moving arm and a tool rack for placing operation tools. The operation tools comprise a fixing tool for temporarily fixing a main guide wire and a drainage wire, a peeling tool, a wire clamp installation tool and an insulation cover installation tool. According to the robot system, in the drainage wire connecting process, hot-line work of manual drainage wire fixing is avoided.

The invention discloses an aerial platform vehicle work platform leveling device with a platform tiling prevention function. A working platform is hinged to an arm I through a shaft I, the arm I is hinged to an arm II through a shaft II, an arm X at the bottommost is hinged to a rotating table through a shaft X+1, and a forward leveling wheel I,... until a forward leveling wheel X+1, a reverse leveling wheel I,... until a reverse leveling wheel X+1 are arranged on a hinge shaft of every two arms; the upper end of a forward inhaul cable and the upper end of a reverse inhaul cable are fixed to the working platform; the forward inhaul cable sequentially passes through the outer edge of the forward leveling wheel I... until the lower end of the outer edge of the forward leveling wheel X+1 and is connected to the rotating table; the reverse inhaul cable sequentially passes through the inner edge of the reverse leveling wheel I ... until the lower end of the inner edge of the reverse leveling wheel X+1 and is connected to the rotating table; and according to the device, the working platform is adjusted to be in the horizontal state so as to facilitate aerial work, tilting caused by conditions of motion impact or the external force effect of the working platform and the like can be prevented, the structural principle is simple, the manufacturing cost is low, mounting and adjusting are convenient, and leveling is continuous and stable.

The invention discloses a lifting device for lifting an overhead ground wire on a straight concrete pole. The lifting device comprises a fixing member, a supporting member and a lifting member. The fixing member comprises two hoops. The supporting member comprises a vertical support and a transverse suspension. The bottom of the vertical support is fixedly connected with one hoop. The transverse suspension is arranged at the top of the vertical support. The transverse suspension and the hoop are arranged on two sides of the vertical support respectively. The lifting member comprises a screw, a threaded tube and an adjustable rotating handle, and a lifting unit comprises a U-shaped clamp which opens down; or the lifting member comprises a screw, a threaded tube and an adjustable rotating handle, and a lifting unit comprises a pulley with a groove, or the lifting unit is a lever hoist. The lifting device has few parts, a mounting method is simple, aerial operations are convenient, the lifting members are optionally selected according to different places, flexibility and convenience are achieved, work efficiency is improved, work conditions are also improved for workers, and safety is improved.

The invention provides a clamping device for large-section expanded diameter conductors, and relates to the technical field of construction equipment and construction technology of transmission lines. The clamping device is particularly suitable for anchoring connection of large-section supporting-type high-density polyethylene expanded diameter conductors, sparse-coiled concentrically stranded circular aluminum conductors and the like in the tension stringing construction, and simultaneously, can be used for anchoring connection of larger-section four-layer concentrically stranded circular aluminum conductors. When the clamping device disclosed by the invention performs anchoring, the loading capacity is large and no slippage occurs, and the structures of the clamped parts of the conductors do not deform and have no indentation; the weight of the clamping device is lightened, therefore, the clamping device is convenient for working at heights; the good clamping performance provides safe and reliable guarantee for the anchoring connection of the large-section expanded diameter conductors; and the big problem that the clamping device for the expanded diameter conductors is lack in the tension stringing construction is solved.

The invention discloses a method for installing a structural steel beam in steel structure work. The method includes the steps of manufacturing rotating hinges, installing the rotating hinges and hoisting the structural steel beam in position. Firstly, a steel beam connecting plate between the structural steel beam and a bracket is fixed on the structural steel beam through the two rotating hinges, when the structural steel beam is installed at the high altitude, secondary hoisting and carrying of the connecting plate are not needed, the using time number of a tower crane is decreased, the work efficiency is improved, and the method is safe and reliable. According to the technical scheme, when high altitude operation for connecting the structural steel beam with another structural steel beam and connecting the structural steel beam with the bracket is carried out, high altitude movement or steel beam connecting plate movement is not needed, the high altitude construction potential safety hazards are reduced, the labor production rate is improved, the production cost is reduced, the method is applicable, reliable and convenient to use, and a field operation worker can easily accept the method.

The invention discloses a reinforced truss gypsum plate with an insulation layer, a novel dismantling-free formwork and their construction method. The reinforced truss gypsum plate comprises a bottom plate made of a gypsum plate and the insulation layer disposed below the bottom plate, reinforced trusses in a plurality of rows are disposed above the bottom plate, and the steel trusses are parallel to or perpendicular to one another. By combining the insulation layer and the dismantling-free formwork through pasting or through ties, the insulation layer is made into a part of the dismantling-free formwork. The dismantling-free formwork is a reinforced truss gypsum formwork with the insulation layer, formed by setting the reinforced trusses composed of cross beams and supports on gypsum plate, casting feet of the supports into the gypsum plates and allowing the gypsum plates to harden. During construction, the reinforced truss gypsum formwork with the insulation layer is lifted to a specific floor to serve as a wall exterior formwork, after mounting of temporary supporting, tying of rebars and layout of pipelines, a wall interior formwork is mounted, and concrete is poured into a chamber formed by the exterior formwork and the interior formwork to form an insulation wall.

The invention discloses a construction method of an external thermal insulation system of a foam cement thermal insulation board outer wall. The construction method comprises the steps that first, thermal insulation boards are laid, specifically, a thermal insulation board laid layer which is formed by splicing the foam cement thermal insulation boards is laid on a building outer wall; second, holes in the outer sides of a door and a window are reinforced, and the bottom of a middle-upper laid area, the top of a lower laid area and the inner sides of two side laid areas in the thermal insulation board laid layer are all covered with fiberglass gridding cloth to form a gridding cloth reinforcing layer; third, plastering construction is conducted, specifically, plastering construction comprises the processes of 301 primary rendering coat mortar coating construction and fiberglass gridding cloth pasting, 302 secondary rendering coat mortar coating construction and fiberglass gridding cloth pasting, and 303 plastering treatment of the holes in the outer sides of the door and the window; and fourth, finishing construction is conducted, specifically, finishing construction comprises the processes of 401 putty layer construction and 402 finishing coating construction. The construction method of the external thermal insulation system of the foam cement thermal insulation board outer wall is simple in step, reasonable in design, convenient to construct, good in using effect, capable of completing the construction process of the external thermal insulation system of the foam cement thermal insulation board outer wall easily and capable of guaranteeing the construction quality.

The present invention concerns a wind power installation having a (ring) generator which has a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. In order to provide a stator having a winding, in which the susceptibility to trouble as a consequence of the high loading on the generator is substantially reduced, the stator winding is wound without interruption continuously throughout.

The invention discloses a large-span combined type overload eccentric slope angle steel structure integrated synchronous jacking construction method. The method comprises the following steps that 1, acorresponding number of jacking foundations are constructed on a terrace according to a plurality of set jacking point locations; 2, after the terrace is hardened, ground splicing and acceptance inspection of combined steel structures are performed; 3, jacking equipment is installed, and jacking is performed; 3.1, ground assembling of crossed joists is performed on the multiple set jacking pointlocations; 3.2, the crossed joists are lifted to the positions of net rack upper chord balls; 3.3, hemispherical hinged supports are concentrically welded to the bottoms of the crossed joists; 3.4, the combined steel structures achieve supporting conversion from net rack lower chord balls supported by buttresses to the net rack upper chord balls supported by jacking frames through a jack; 3.5, synchronous jacking is performed; 3.6, supplementing and splicing installing of net rack support position balls and connecting rod pieces thereof can be performed, and then the whole structure falls backin position. Overhead operation can be greatly reduced, and safety and reliability are achieved.

The invention discloses a tool suspension belt for work high above the ground. The tool suspension belt for the work high above the ground comprises a tool storage belt and a shoulder strap, wherein the tool storage belt comprises a belt body, a slide rail arranged on the outer surface of the belt body and a tool storage device slidably connected to the slide rail, and middles of left and right ends of the tool storage device are fixedly connected with traction ropes; end parts of two ends of the belt body are provided with two traction rope reeling shafts respectively, and the lateral side of each traction rope reeling shaft is provided with a driving motor; the driving motors are used for controlling the rotation of the traction rope reeling shafts, and further drive the tool storage device to move to the left and the right; the tool storage device is provided with a plurality of tool storage areas, and the two ends of the belt body are provided with belt connecting buckles in a matched mode; the belt connecting buckles can be detached and connected. The tool suspension belt for the work high above the ground is suitable for a worker to wear so as to store a tool on the belt conveniently, so that the worker can take and use the tool conveniently when working high above the ground.

The invention provides a tension insulator string RTV spraying protective cover. The cover comprises a shielding cover, wherein hanging connecting devices are arranged at the two ends of the shieldingcover correspondingly; and each hanging connecting device comprises a mounting plate, the top of each mounting plate is fixedly connected with a first vertical rod, a hanging device is arranged on each first vertical rod, each hanging device comprises a second vertical rod, arc-shaped hooks are hinged to the two sides of the top of each second vertical rod correspondingly, and a horizontal positioning baffle is further arranged above the hinged position between each hook and the corresponding second vertical rod. The cover has the positive effects of being suitable for various types of insulator equipment, and having the remarkable generalization performance. The integral structure further has the advantages of being simple and compact in structure, light in weight, easy to carry, convenient to move and the like; and the consumed mounting time is short, and scissor fork arms on the two sides of each mounting plate meet the requirements for bearing capacity and the telescopic performance and are not prone to deform, so that the balance generated after the two sides are extended is strong, and more convenience is brought to aloft work.

The invention relates to the field of safety protective tools, in particular to a drum wheel for a differential speed automatic controller during high-altitude operation. The invention discloses a drum wheel for a differential speed automatic controller. The drum wheel has an integrated structure; one side of the drum wheel is in a circular cavity shape, and the other side of the drum wheel is divided into four fan-shaped cavities uniformly by two reinforcing ribs which are vertical mutually; a thread hole through which a hanging belt passes is formed on any one reinforcing rib; and a shaft hole through which a central shaft passes is formed in the center of the drum wheel. Due to the adoption of the drum wheel with the integrated structure, the integral differential speed automatic controller is more stable, and the volume of the drum wheel can be reduced substantially to reduce the volume of the differential speed automatic controller, so that the differential speed automatic controller is convenient to carry and the high-altitude operation is also convenient. In addition, the service life of the differential speed automatic controller can be prolonged substantially.

The invention discloses special equipment for mounting and dismounting movable self ascending and descending high-altitude equipment. The lower end of the ascending and descending plate is hinged to avehicle body; a fixing rod is fixedly connected with the side wall of the ascending and descending plate; the other end of the fixing rod is fixedly connected with a fixing device; one side of the ascending and descending plate is fixedly connected with a motor through a tripod, so that an advertisement board becomes loose; at the moment, a rocker handle is operated; a steel wire rope generates winding through the rotation of the rocker handle, so that a pull plate is pulled through the steel wire rope and drives an abutting rod to move in a direction approaching to the push plate; along withthe continuous movement of the abutting rod, the abutting rod is in contact with the push plate and pushes the push plate to move, so that through the push plate, the advertisement board is pushed out of the fixing frame; the advertisement board can be taken for high-altitude operation. Therefore the device can reach the effect of conveniently taking the advertisement board, and can also achievethe effect of ascending and descending the work table.

The invention discloses an automatic overhead distribution line live-line maintenance and reconstruction device. The automatic overhead distribution line live-line maintenance and reconstruction device comprises a bottom board, a bolt fastening mechanism assembling body assembly, an insulation piercing clamp assembly, a main wire clamping mechanism assembling body, a secondary wire clamping mechanism assembling body and a clamp clamping mechanism assembling body. The device is advantaged in that, maintenance and reconstruction for high voltage overhead lines can be automatically carried out, an operator can be separated from the device in the maintenance and reconstruction process, so safety is guaranteed. The device not only employs the clamp bolt fastening mechanism, but also has the main wire clamping mechanism, the secondary wire clamping mechanism assembling body and the clamp clamping mechanism assembling body, so relative positions of main wires, secondary wires and clamps can be determined in the maintenance and reconstruction process, and operation is convenient.

Disclosed is an equipotential outlet trolley for a double bundle conductor. The trolley is characterized by comprising two sliding wheel groups with identical structures, each of the two sliding wheel groups comprises four sliding wheels installed between connection plates on two sides through sliding wheel shafts. A support shaft is installed on the connection plate on one side of one of the sliding wheel groups, and a locating rod is installed on the connection plate on the same side of the other sliding wheel group. One end of a movable insulating plate is hinged to the support shaft, and the other end of the movable insulating plate is matched with the locating rod. So as to facilitate the assembly, the two sliding wheels on the upper portion of a conductor and the two sliding wheels on the lower portion of the conductor are installed on two connection plates respectively and assembled at high altitudes. By means of the equipotential outlet trolley for the double bundle conductor, 220-KV double bundle conductors can be subjected to living outlet operation, so that living operation distances among phases can meet technical requirements, personnel and device securities are guaranteed, and the field operation security is improved.

The invention relates to a lifting table, in particular to a building material conveying lifting table. According to the building material conveying lifting table, the lifting table can be adjusted according to higher-place operation, and then the working efficiency is improved. A building material conveying lifting platform comprises a base, a supporting plate, sliding plates, a first rotating shaft and the like, the supporting plate is arranged on the rear portion of the upper side of the base, the sliding plates are arranged on the left side and the right side of the supporting plate in a sliding mode, and the first rotating shaft is rotationally arranged between the left side and the right side of the base. A clamping rod is pulled outwards, so that a sliding plate moves upwards, then a double-shaft motor is started, an output shaft of the double-shaft motor rotates to drive a first gear to rotate, then a winding wheel rotates, a pull rope is wound, then a placing frame slides upwards, people can conveniently conduct high-place operation, and the working efficiency can be improved.

The invention relates to a drop-out fuse pickup-hanging device. According to the technical scheme, the drop-out fuse pickup-hanging device comprises a lifting air cylinder, a lifting supporting base and a pneumatic device, the lifting air cylinder is arranged in the lifting supporting base, a work piston is arranged in the air cylinder, a multi-level lifting piston is arranged in the work piston,and the upper end portion of the lifting piston is connected with an opening and closing switch blade pickup-hanging hook through a pickup-hanging hook supporting rod; a lifting air cylinder base is arranged in a rotation track and connected with a track sliding block of the rotation track through a connecting pin, and a sealing piston and a transmission spring are arranged in an interlayer of therotation track; the lifting air cylinder base and the rotation track are movably connected; and the pneumatic device is connected to the rotation track and the lifting air cylinder, and rotating andlifting of the pickup-hanging hook supporting rod are achieved. The drop-out fuse pickup-hanging device has the beneficial effects that potential safety hazards that an electric worker conducts the pole climbing operation are reduced, mechanical operation is achieved as well, efficiency is improved, and danger is reduced; and abrasion of an arc extinguishing cover on the surface of a drop-out fuseis avoided, and the service life of the drop-out fuse is prolonged.

The invention belongs to a tool for pruning a fruit tree. The tool for pruning the fruit tree is mainly used for the flower thinning and the fruit thinning of the fruit tree, and comprises an operating lever, a head and shears, wherein the operating lever is connected with the head in a hinging manner; the head is movably connected with the shears; a protecting cover and a shearing frame are both conical or gourd-shaped; a cover opening is of an adjustable cyclic structure; a protecting ring is arranged at a position, which is corresponding to a shearing opening, on the cover opening of the protecting cover; the shearing frame is barrier-gourd-shaped, and is bigger than the protecting cover; the shearing opening is higher than the cover opening, and is corresponding to the protecting ring; the shearing opening is in a discontinuous cyclic shape, is connected by a single-component material, can be shrunk, and is inward. The flower thinning and fruit thinning device for the fruit tree has the beneficial effects that a chemical drug is not used, electricity is also not used, and a simple machine is used only; as a double-layer structure is adopted, the flower thinning and the fruit thinning can be completed for one time.