45results about How to "Reduce the risk of falling from heights" patented technology

The invention discloses a ventilation structure applied to a glass curtain wall of an environment-friendly building in the field of architectural decoration. the first rotation axis, the window sash rotates around the first rotation axis; the end of the window sash away from the first rotation axis is provided with a supporting cylinder, the supporting cylinder is installed on the window frame and connects the window frame and the window sash; the center of the window frame is also provided with a supporting cylinder The adjusting mechanism senses the wind direction and drives the supporting cylinder to extend and contract. The invention can automatically adjust the opening angle of the window sash according to the wind force received by the outside world. When the wind force is small, the opening angle of the window sash can be increased to enhance the ventilation effect; Reduce the risk of window sash falling from high altitude and ensure safety.

The invention discloses a double-locking full-time protection safety device which comprises an outer shell, a safety sleeve body, rotating shaft pins, fixing rods, locking pin rings and a safety belt sleeve. The safety sleeve body comprises an upper plate face and a lower plate face which are integrally formed, and a pair of locking pin openings is formed in the connection face of the upper plate face and the lower plate face; a sliding block groove is formed in the upper plate face, and two locating grooves are formed in the lower plate face. A swing arm movably connected with the rotating shaft pins is arranged at the upper end of the upper plate face, and a support is movably connected to the swing arm and fixedly connected with the upper plate face through threaded holes; the safety sleeve body is provided with a pair of locking sheets connected through a spring. By means of the double-locking full-time protection safety device, the technical problem of potential safety hazards can happen during high-altitude moving operation through an existing safety belt is solved, and the double-locking full-time protection safety device has the advantages of being convenient to carry, safe and reliable.

The invention relates to an intelligent curtain wall cleaning system. The system comprises a controller, moving rails of upper and lower frames of a curtain wall and box-shaped vertical columns on theleft and right sides of the curtain wall, and the vertical columns are internally provided with columnar roller brushes; the upper and lower ends of the columnar roller brushes are respectively arranged in the moving rails of the upper and lower frames of the curtain wall, and can rotationally move along the moving rails to clean the curtain wall; a raindrop sensing device is arranged at the upper portion of one of the vertical columns, and the controller controls the columnar roller brushes to clean the curtain wall based on a detection result of the raindrop sensing device. The system achieves the intelligent self-cleaning of the curtain wall.

The invention discloses an optical cable signboard hanging device. A telescopic insulation rod is adopted, a T-shaped connecting rod is inserted and connected onto the top end of the insulation rod, the two ends of a horizontal rod of the T-shaped connecting rod are provided with signboard support frames, the two ends of the top edge of a signboard are vertically and fixedly connected with wire clamp support rods, a wire clamp consists of two pieces of wire clamp bodies, the middle parts of the two pieces of wire clamp bodies are hinged through a pin shaft, in addition, a torsion spring is arranged on the pin shaft, the pin shaft of the wire clamps is fixedly connected with the top end of each wire clamp support rod in a T shape, the bottom end of the insulation rod is provided with a wire disc and a rocker handle used for rotating the wire disc, a rotating shaft of the wire disc is vertically and fixedly connected with the insulation rod, a rope pulling disc used for pulling the wire clamp to be opened is wound on the wire disc, and the upper end of the pull rope is connected with the lower ends of the two pieces of wire clamp bodies. When the optical cable signboard hanging device is adopted, the in-site installation and fixation can be realized without combining power cutoff or high-altitude climbing operation by workers, safety and high efficiency are realized, and the use is convenient.

The invention discloses an operating platform for hanging a ground wire on the high voltage side of a transformer. The operating platform comprises a galvanized steel sheet and a steel sheet support. The galvanized steel sheet is transversely arranged and is clamped between two corresponding cable supports. A plurality of cross braces are arranged below each cable support in sequence from top to bottom. The steel sheet support is arranged below the galvanized steel sheet and located between two corresponding cable supports. The steel sheet support comprises galvanized angle steel and two head plates. The galvanized angle steel is arranged on the lower surface of the galvanized steel sheet, the top ends of the two head plates are welded to the front end and the rear end of the galvanized angle steel correspondingly and respectively, and each head plate is fixed to the corresponding cable support through a bolt. The operating platform is simple in structure, quite convenient to construct, safe and firm and utilizes the existing cable supports.

The invention provides a training device for live work on UHV lines, which includes: an insulating support device with a preset height, a potential transfer rod, a simulated wire, a voltage generator, a suspension device and an insulator string; wherein, the insulating support device The bottom of the bottom is slidably connected to the ground, and the top of the insulating support device is provided with a bearing platform; the suspension device is connected with the simulated wire through an insulator string, and is used to suspend the simulated wire; the simulated wire and the bearing platform have a preset position in the horizontal direction distance; the voltage generator is connected with the analog wires, and is used to apply a preset voltage to the analog wires; a supporting body is arranged on the carrying platform, and the potential transfer rod is movably placed on the supporting body, and is used for contacting with the analog wires. In the present invention, the trainees can complete the potential transfer without the cooperation of other personnel, which reduces the workload of the staff and improves the training efficiency, and the insulating support device can be set at a preset height, reducing the risk of the trainees falling from high altitude.

The invention discloses a novel telescopic type tong-type ammeter. The tong-type ammeter comprises a shell and an insulation telescopic rod fixedly connected with the bottom of the shell, a data display instrument is arranged at the bottom of the telescopic rod, the data display instrument is connected with a straight-through current transformer in the shell through a connecting wire inside the telescopic rod, the shell is a closed annular body composed of a fixed shell body and a rotating shell body hinged to the fixed shell body, the fixed shell body is fixedly connected with the telescopic rod, a fixed coil is fixedly arranged on the inner wall of the fixed shell body, a rotating coil is fixedly arranged on the rotating shell body, and under the normal state, a closed annular coil is composed of the fixed coil and the rotating coil. The novel telescopic type tong-type ammeter is suitable for measuring load currents on the low-voltage side and a branch circuit of a transformer of a distribution transformation table area, and is safe, efficient and convenient to use.

The invention relates to an easily-handled inward tilt-turn door / window hinge assembly with a bearing reinforcing structure. The easily-handled inward tilt-turn door / window hinge assembly comprises a window frame connection structure and a window / door connection structure. The window frame connection structure is connected with the window / door connection structure through a hinge structure so that an extensible sliding door / window structure is formed. The easily-handled inward tilt-turn door / window hinge assembly is characterized in that the window frame connection structure comprises a window frame hinging plate, at least two rigid fasteners and at least two moving connectors; the rigid fasteners and the moving connectors are disposed on the window frame hinging plate; the rigid fasteners are arranged on the inner side of the window frame hinging plate; the moving connectors are arranged on the outer side of the window frame hinging plate; the rigid fasteners directly extending out of the bottom of the window frame hinging plate are integrated to the window frame hinging plate or are fixedly connected to the bottom of the window frame hinging plate; the moving connectors rotatably disposed at the bottom of the window frame hinging plate are internal-adjustment rotating members, and a moving adjusting connection structure of a window frame is formed by rotational adjustment of the moving connectors. The easily-handled inward tilt-turn door / window hinge assembly has the advantages such that bearing capacity is high, the window / door and the window frame can be stably connected, deformation or loosening rarely occurs, and safety is high.

The invention provides a high-altitude conveying trolley and a maintenance method thereof. The high-altitude conveying trolley comprises a board body (10), safe protection doors (20) arranged at two ends of the board body (10), a maintenance door (30) arranged on the board body (10), and a door lock control device, wherein the door lock control device is used for realizing interlock connection between a start switch of the safe protection doors (20) and an electromagnetic lock of the maintenance door (30). When the high-altitude conveying trolley is maintained, a maintainer opens the maintenance door (30) to enter the high-altitude conveying trolley, the safe protection doors (20) arranged at two ends of the board body (10) are automatically closed due to the interlock connection action, the maintainer is prevented from falling from the two ends of the high-altitude conveying trolley, the high-altitude falling risk of the maintainer during maintaining the high-altitude conveying trolley is effectively lowered, and the safety of the maintainer is guaranteed.