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 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 a crane for building construction, and belongs to the technical field of building construction. The crane comprises a bearing plate, the front side wall and the rear side wall of the bearing plate are rotatably and slidably connected with first protection plates, and the left side wall and the rear side wall of the bearing plate are rotatably connected with second protection plates; the lower side wall of the bearing plate is fixedly connected with a plurality of supporting columns; a movable plate is arranged below the bearing plate, the movable plate is connected to the supporting columns in a sliding mode, and the supporting columns are sleeved with a plurality of first springs enabling the movable plate to reset; the movable plate and the bearing plate are jointly provided with a first driving mechanism and a second driving mechanism; a self-locking mechanism is arranged on the bearing plate; and the self-locking mechanism is used for limiting the second protection plates after the second protection plates rotate to a vertical state. The purposes of preventing objects from falling from high altitudes and facilitating loading and unloading can be achieved.

The invention discloses an automatic transportation control system. The system comprises a precise positioning base station, a transportation track, an identification card, a turnover device and an automatic management system, and is characterized in that the automatic management system comprises an industrial personal computer, a wheel training service module, a database, a video monitoring system and a broadcasting system, wherein each mine car is provided with a corresponding identification card, and mine car information is written into the identification card; when the tramcar arrives at the accurate positioning base station, the base station reads the information of the tramcar identification card, writes the information into the database, and sends the information to the industrial personal computer to control the corresponding turnover device to unload; and meanwhile, the information is sent to a video monitoring system and a broadcasting system for video snapshot and voice broadcasting. The system is advantaged in that automatic control is adopted, production efficiency is improved, manual participation is reduced, and a safety coefficient of mining and material transportation is increased.

The invention discloses hoisting equipment based on combination of a triangular support and a ratchet wheel. The hoisting equipment based on combination of the triangular support and the ratchet wheel comprises a bearing disc, a positioning telescopic rod and a framework suspension clamp, a hanging ring is fixedly installed in the center of the bottom of the bearing disc, the top of the bearing disc is trisected in the axial direction, ratchet wheels are arranged at the equally-divided positions, and positioning telescopic rods are installed through the ratchet wheels. One end of the positioning telescopic rod is rotationally connected with the bearing disc through a ratchet wheel in the mode that the rotation angle can be adjusted, and a framework hanging clamp is installed at the other end of the positioning telescopic rod. The hoisting equipment based on the combination of the triangular support and the ratchet wheel can be used as a safety belt hanging point for high-place operation and can also be used as a triangular support; the hoisting equipment based on the combination of the triangular support and the ratchet wheel can be mounted in any terrain in the complex field terrain and during high-altitude operation, provides support for hanging a safety belt, bears the force generated by falling of a human body, avoids the risk of falling from a high place, and achieves the purpose of safe and efficient operation.

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 a supporting assembly for a steam pipeline. The supporting assembly is installed between the steam pipeline sleeved with a heat preservation layer and a support column and comprises a fixed base, supporting plates and a plurality of fixed rods, and the fixed base, the supporting plates and the fixed rods are of an integrally-formed structure; the heat preservation layer is in cooperative lap joint with the interior of the arc surfaces of the upper ends of the supporting plates, the fixed rods are connected to the upper ends of all the supporting plates, and a measuring device is inserted into the fixed rods and comprises a measuring rod, a linkage rod, a distance measuring rod and a distance measuring sensor; a rotary rod is inserted in the column, the linkage rod ishinged to the rotary rod, a magnetic block is fixedly installed on the linkage rod and is in attraction connection with the distance measuring rod, the column is provided with a distance measuring blind hole, the distance measuring sensor is installed at the hole bottom of the distance measuring blind hole, the end, away from the linkage rod, of the distance measuring rod is cooperatively inserted in the distance measuring blind hole, the distance measuring sensor is utilized for monitoring the thermal deformation of the steam pipeline in real time, and the phenomenon of pipeline falling caused by thermal deformation is avoided.

The invention belongs to the technical field of electric pole ladders, and particularly relates to a safety base of an electric pole ladder platform device. A main body is a base frame; two connecting lug plates are welded on the base; a ball head locking pin is connected with a ladder; meanwhile, a ratchet wheel rope winding device and an automatic rope winding tensioner are arranged to provide falling safety guarantee; and in addition, a ratchet wheel wrench is arranged to be configured to facilitate the use of the ratchet wheel rope winding device. The safety base can effectively meet the maintenance requirement of uninterrupted operation of a 10kV agricultural distribution network, can quickly and effectively implement safe fixation according to the ladder used by a target electric pole on site, improves the operation efficiency, can directly avoid the climbing and falling risk, and greatly improves the climbing uninterrupted operation efficiency on the site where an insulating bucket arm vehicle cannot reach.

The invention relates to a cleaning device for a video monitoring ballhead camera of a substation. The cleaning device comprises multiple retractable legs, the upper ends of the retractable legs are hinged to a supporting platform, and a rotation column is embedded in the supporting platform, can freely and horizontally rotate on the supporting platform and is provided with a groove; a supportingrotation shaft is horizontally arranged in the groove, a supporting rod is erected on the supporting rotation shaft, and the top of the supporting rod is provided with a cleaning execution mechanism;the cleaning execution mechanism comprises an angle adjustment rack, a rotation driving device and a cleaning rotation cover, the rotation driving device is connected with the supporting rod through the angle adjustment rack, and the cleaning rotation cover rotates under driving of the rotation driving device. The safety of personnel is guaranteed, the cleaning time can be greatly shortened, the work efficiency is obviously improved, the labor intensity is lowered, and the cleaning device has multi-angle operation capacity.

The invention discloses a multifunctional clamp meter device and system. The clamp meter device comprises a clamp meter meter body; the upper part of the clamp meter body is provided with a first clamp arm and a second clamp arm; the first clamp arm is arranged in the vertical direction of the clamp meter body; the second clamp arm is arc-shaped, and the arc center of the second clamp arm faces the first clamp arm; openings are formed in the upper ends of the first clamp arm and the second clamp arm and serve as a jaw; a measuring circuit is arranged in the clamp meter body; the lower part ofthe clamp meter body is connected with an insulating operating rod; and a locking clamping piece is hinged to the first clamp arm. When the clamp meter device is used, the clamp meter device is movedupwards, a wire enters the clamp meter device through the jaw, and the jaw is closed through cooperation of a locking clamping piece and the wire so that wire parameters can be automatically measured;after the measurement is finished, the clamp meter device is moved downwards, so that the wire retreats from the jaw. The multifunctional clamp meter device and system are not limited by factors suchas geographic position and height, and can be used for measuring anytime and anywhere; and the risk of falling from a high place caused by direct contact between a human body and live wire equipmentand high-altitude operation is avoided.