30results about How to "Avoid the risk of falling from heights" patented technology

The invention discloses a roof wind-sheltering adjustable lighting ventilator, which comprises a bracket, wherein the bracket is provided with a lighting rain blocking plate, an arc-shaped wind blocking plate, an air outlet and a collecting ditch. The ventilator is characterized in that: wind-sheltering valve plates are hinged on the bracket at the upper end of the arc-shaped wind blocking plate respectively; both sides of the bracket are provided with window opening machines respectively; the window opening machines are connected with the wind-sheltering valve plates respectively; the heightof the arc-shaped wind blocking plate can be increased after the wind-sheltering valve plates are opened; the overall height of the ventilator can be lowered after the wind-sheltering valve plates are closed; and a collecting groove is formed between the arc-shaped wind blocking plate and a ventilation port. The ventilator has the advantages of simple structure, capability of realizing comprehensive adjusting function, including wind sheltering, ventilating, lighting and reducing wind load damage according to the climate environment, good ventilating, wind sheltering, lighting and sealing effects, difficulty in being damaged by wind power, long service life, wide application range, applicability to civil buildings after being provided with a protective net, capability of preventing rain, snow and dust from entering rooms and polluting the environment, high safety performance, convenience for installing and maintaining and low manufacturing cost.

The invention provides a steam pipeline support assembly, which is installed between a steam pipeline covered with an insulation layer and a pillar. The assembly includes a fixed base, a support plate and a number of fixed rods. It is a one-piece structure, the insulation layer is overlapped on the arc surface of the upper end of the support plate, the fixed rod is connected to the upper end of each support plate, and the measuring device is interspersed on the fixed rod. The measuring device includes a measuring rod, a linkage rod, and a distance measuring rod. And the distance measuring sensor, the pillar is interspersed with a rotating rod, the linkage rod is hinged on the rotating rod, the linkage rod is fixedly equipped with a magnetic block, the magnetic block is adsorbed and connected to the distance measuring rod, the pillar is provided with a distance measuring blind hole, and the distance measuring The sensor is installed at the bottom of the distance-measuring blind hole, and the end of the distance-measuring rod away from the linkage rod is inserted into the distance-measuring blind hole. The distance-measuring sensor is used to monitor the thermal deformation of the steam pipeline in real time to avoid the pipe falling caused by thermal deformation. falling phenomenon.

The invention relates to the technical field of indoor decoration and discloses an escape type intelligent security window capable of being opened automatically and controlled autonomously. The escapetype intelligent security window comprises an outer frame. A left window is movably connected to the left side of the outer frame. By matching a second slide block of a diagonal with a right window in use, when the right window is moved leftward, the second slide block moves upward, so that the security window is opened synchronously. By matching the diagonal, a first slide block and the left window in use, when the left window is moved rightward, the first slide block moves downward, so that the security window is opened synchronously. Therefore, the security window can be opened synchronously when the window on the left side or on the right side is opened, so that the all around safety protection is carried out. By matching an inner gear, an outer gear and a baffle plate in use, when fires or other accidents occur, the security window can be opened by moving the first slide block and the second slide block, so that a condition that people cannot escape when accidents occur is avoided. The safety of the whole security window is improved.

The invention provides an electric power line crossing protection device comprising an insulation shielding sleeve, transmission parts and a power conversion part; the transmission parts and the power conversion part are arranged in the insulation shielding sleeve; each transmission part comprises three concave pulleys; one concave pulley is arranged on the top, the other two are arranged below, and the three pulleys are mutually connected by connecting springs, thus enabling crossed wires to penetrate and are fixed between the three concave pulleys; the power conversion part comprises a limit horizontal connecting rod and a driving rod used for pushing the limit horizontal connecting rod to slide; the central axles of the three concave pulleys are connected by the limit horizontal connecting rod; two ends of the limit horizontal connecting rod are respectively provided with a limit telescopic joint; the driving rod vertically moves downwards so as to push the limit horizontal connecting rod to move, thus enabling the limit telescopic joints to push the insulation shielding sleeve, and driving the electric power line crossing protection device to move forwards along the crossed wire. The electric power line crossing protection device is simple in structure, low in supplement cost, and not limited by places.

The invention relates to a high-altitude safety fence for steel structure assembling. The high-altitude safety fence is assembled on a steel beam and comprises a support rod and a steel wire rope. The high-altitude safety fence is characterized in that the support rod is characterized in that a 1-1.3m steel channel (1) serves as a stand rod, a first steel plate (2) and a second steel plate (3) are symmetrically welded to the upper portion and the lower portion of the root of the stand rod, the thickness of the first steel plate (2) and the thickness of the second steel plate (3) are both 10mm, the distance between the first steel plate (2) and the second steel plate (3) is 3cm, and two nuts are welded to the first steel plate (2) side by side; when the support rod is installed, the first steel plate (2) and the second steel plate (3) are clamped on a frange plate of the steel beam, and the steel beam and the steel channel (1) are fixed through two movable bolts (4); a third steel plate (7) is welded to the top of the front elevation face of the steel channel (1), and a circular hole (8) is formed in the middle of the third steel plate (7); the steel wire rope is inserted in the circular hole (8) in the third steel plate (7) of the front elevation face of the steel channel (1). The high-altitude safety fence has the advantages of being easy to manufacture, convenient to assemble and disassemble and capable of being repeatedly used, effectively eliminating the risk that an operator falls down from the high positions, and improving the working efficiency.

The invention discloses an auxiliary grounding wire laying device which comprises a cross bar. A supporting structure is installed under the cross bar, installing bases are arranged on the cross bar, installing barrels are connected with the installing bases through universal shafts, and the supporting structure comprises multiple supporting units. The auxiliary grounding wire laying device integrally adopts a metal frame structure, and especially the supporting structure can be dismounted, folded and stored, so that transportation is facilitated. Single-phase insulating rods can be respectively hung or three-phase insulating rods or multiple-phase insulating rods can be simultaneously hung on the multiple installing bases and the correspondingly-arranged installing barrels according to different routes, and the practicability is improved.

The invention discloses a method for rapidly hitching a power distribution network ice-melting connection lead, which relates to the field of power distribution network direct current ice melting. The method comprises the following steps of (1) fixing a wiring clamp at one end of an insulation rod; (2) mounting a coiling rope on a pulley; (3) lifting the pulley with the insulation rod and hitching the pulley on a cement rod cross-arm; (4) connecting the wiring clamp with one end of the ice-melting connection lead; (5) firmly binding one end of the coiling rope with the ice-melting connection lead; (6) pulling the other end of the coiling rope and lifting the ice-melting connection lead; (7) lifting the ice-melting connection lead below the pulley and fixing the coiling rope; (8) connecting a wiring clamp port with a power distribution network lead; (9) completing hitching of the power distribution network ice-melting connection lead. The method solves a problem that manual wiring through climbing a tower is difficult due to icing, and prevents risks of high-altitude falling of manual wiring.

The invention provides a rotatable pull-wire type safety protection hook, which belongs to the field of coal mine safety protection. The rotatable pull wire type safety protection hook includes a control rod, a hook, a gear, a locking sleeve, a locking pin, a first control line and a second control line, and the first control part and the second control part are arranged at the lower end of the control bar. Driven by the first control part, the hook can be controlled to swing or lock relative to the control rod under the action of an external force; driven by the second control part, the locking pin can extend or retract relative to the locking sleeve, and the locking sleeve can Swings or locks relative to the hook. The invention has simple structure, low cost input, and is suitable for popularization and use; instead of the traditional hooking method of the protective chain, the operator only needs to stand on the ground, and can quickly complete the hooking operation of the other end of the protective chain through the control rod and the control part. It makes the hook operation easier, and avoids the risk of falling from a high altitude during the hooking operation, and the hooking position can be easily moved after the hooking.

Provided is a distribution network overhead line high-altitude wiring clamp with a deicing function. A lower deicing saw and an upper deicing saw of the wiring clamp are fixed on a fixed support and a moving support through screws respectively. The fixed support and a binding post are arranged on the upper portion of a wiring clamp body. The fixed support is connected with the binding post through a conducting flexible wire. A fixed pulley and a movably pulley are arranged on a sliding way of the wiring clamp body respectively. The moving support is fixedly connected with the movably pulley. One end of a steel wire rope is fixed on the wiring clamp body, and the other end of the steel wire rope is connected to the bottom of an insulation rod through the movable pulley and the fixed pulley. A pulling-pushing rod is placed in a first insulation rod. A distribution network overhead line can be subjected to DC deicing, coated ice on the position to be connected of a lead can be removed on the ground through the clamp, then a safety grounding wire or an output connecting wire of a DC deicing power supply is connected with the lead reliably through the clamp, and the risk of high-altitude falling caused by the fact that a worker climbs on an ice-coated distribution network overhead transmission line pole tower for wiring is avoided.

In the method for construction and installation of steel beams in a vertical shaft disclosed by the present invention, the working steel platform is reliably fixed on the inner wall of the vertical shaft through a plurality of jacking wires to prevent the working steel platform from shaking; during the downward movement of the working steel platform, the number of people on the platform can be reduced to the greatest extent , to avoid accidental safety accidents; the method of the present invention adopts an independent winch system for the working steel platform and the hanging basket, so that the layout of the shaft head tooling facilities is more concise and easy to operate, thereby ensuring the stable suspension and lifting of the working steel platform and avoiding high places. The risk of falling, providing the maximum working space, better protecting the wire rope, preventing the damage of the wire rope, and reducing the impact of ground personnel, equipment, and environment on the construction operation in the shaft; the method of the invention is safe, reliable, operable, high in efficiency, and low in cost. , can effectively solve the suspension and lifting problems of the operating steel platform in the shaft, significantly reduce the safety risk and construction difficulty of the steel beam construction in the shaft, improve the operation efficiency, and promote the technical progress of shaft installation and construction.