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.

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.

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 provides a construction method for quickly assembling and disassembling a horizontal overhanging net of a high-altitude overhanging outer frame. The construction method comprises the steps of assembling the horizontal overhanging net, hoisting the horizontal overhanging net, fixing the horizontal overhanging net, disassembling the horizontal overhanging net and the like. In the construction process, an operator can achieve rapid assembly and disassembly construction, risks are avoided, meanwhile, labor input is reduced, the safety construction requirement is met, the high-altitude falling risk is effectively prevented, operation is very convenient, disassembly and recycling can be achieved after use, the recycling rate reaches 100%, the use cost is extremely low, the safety protection measure cost is greatly reduced, and the safety protection effect is good. The economic and technical benefits are obvious.

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 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 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 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 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 provides a rotatable stay wire type safety protection hook, and belongs to the field of coal mine safety protection. The rotatable stay wire type safety protection hook comprises a control rod, a hook body, a gear, a locking sleeve, a locking pin, a first control line and a second control line, wherein a first control piece and a second control piece are arranged at the lower end ofthe control rod, under driving of the first control piece, the hook body can be controlled to swing or be locked relative to the control rod under the action of external force, under the driving of the second control piece, the locking pin can extend or retract relative to the locking sleeve, and the locking sleeve can swing or be locked relative to the hook body. The rotatable stay wire type safety protection hook is simple in structure, lower in cost investment and suitable for application and popularization, a traditional protective chain hooking mode is changed, an operator only needs to stand on the ground, the hooking operation of the other end of a protective chain can be rapidly completed through the control rod and the control piece, the hooking operation is simpler, the high-altitude falling risk existing in the hooking operation process can be avoided, and the hooking position can be conveniently moved after hooking.

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 relates to the technical field of electric power tools, in particular to a visualization device used for observing an on-off state of a disconnecting link contact. The visualization device used for observing the on-off state of the disconnecting link contact comprises a power device and a laser device electrically connected with the power device, the laser device comprises a laser seat and a laser emitter arranged on the laser seat, the laser seat is provided with a fixing structure used for fixing the laser device to a shell of an observing hole of a disconnecting link contact,and the laser emitter is provided with an optical lens used for amplifying light beams. The device is simple in structure, laser beams can be emitted into the observing hole of the disconnecting linkcontact through the laser emitter, through the arrangement of the fixing structure arranged on the laser seat, the laser device can be fixed to the shell of the observing hole of the disconnecting link contact, it can be saved that a worker holds a flashlight with a hand to make the observing hole illuminated, the working efficiency is improved, and it can be avoided that when the worker holds theflashlight with a hand to make the observing hole illuminated, a suitable point for supporting the body cannot be found so as to cause the risk of high-altitude falling.

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 discloses an auxiliary device for a signal tower capable of intelligently avoiding the risk of falling from high altitudes. The safety rope, the outer side of the safety rope is connected with a moving block, the front side of the moving block is connected with a first rope, and the left side of the first rope is connected with a moving block. The signal tower auxiliary device, which can intelligently avoid the risk of falling from high altitudes, drives the cylindrical track block fixedly connected to it to rotate synchronously through the first gear, and then opens the special-shaped groove corresponding to the moving block through the special-shaped groove, thereby driving the moving block along the The guide rail moves back and forth left and right, so that the moving block pulls the first rope back and forth, and then drives the movable block to move up and down along the safety rope, thereby preventing the safety ropes from intertwining with each other. The effect of increasing movement speed.

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 relates to the technical field of cleaning robots, and discloses a method and device for adjusting the negative pressure in a cleaning machine, the cleaning machine and a storage medium, and the method comprises the steps that the current negative pressure value in a negative pressure cavity of the cleaning machine is obtained; detecting whether a difference value between the current negative pressure value and a target negative pressure value is within a preset deviation range or not; and when the difference value is out of the preset deviation range, adjusting the numerical value of the current negative pressure value so as to reduce the difference value between the current negative pressure value and the target negative pressure value. The negative pressure stability in the cleaning machine is guaranteed, so that the cleaning machine can efficiently and stably work in an operation area.

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 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 provides an auxiliary trolley for overhead busbar hoisting. The trolley comprises a base, at least two pulleys, supporting arms used for fixing the pulleys, limiting plates and clamping arms fixed to the lower end of the base, wherein the supporting arms are arranged at the upper end of the base, each pulley is installed between the two corresponding supporting arms, the limiting plates are connected with the outer sides of the supporting arms and located on the two sides of each pulley, the top ends of the limiting plates are higher than the top ends of the circumferential surfaces of the round wheels of the pulleys, and the line connecting the clamping arms is parallel to the line connecting the top ends of the pulleys. The trolley is safe, reliable, highly practical and capable of improving construction efficiency. The trolley can be applied to different types of frameworks for flexible busbar hoisting, is capable of achieving one-step hooking and effectively avoiding the contact and friction between a drag rope and the frameworks during hoisting, can not cause potential safety hazards of high-altitude falling on aerial working staff and equipment below, and can be widely popularized in high-voltage and ultrahigh-voltage transformer stations.

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.

The invention provides an auxiliary trolley for overhead busbar hoisting. The trolley comprises a base, at least two pulleys, supporting arms used for fixing the pulleys, limiting plates and clamping arms fixed to the lower end of the base, wherein the supporting arms are arranged at the upper end of the base, each pulley is installed between the two corresponding supporting arms, the limiting plates are connected with the outer sides of the supporting arms and located on the two sides of each pulley, the top ends of the limiting plates are higher than the top ends of the circumferential surfaces of the round wheels of the pulleys, and the line connecting the clamping arms is parallel to the line connecting the top ends of the pulleys. The trolley is safe, reliable, highly practical and capable of improving construction efficiency. The trolley can be applied to different types of frameworks for flexible busbar hoisting, is capable of achieving one-step hooking and effectively avoiding the contact and friction between a drag rope and the frameworks during hoisting, can not cause potential safety hazards of high-altitude falling on aerial working staff and equipment below, and can be widely popularized in high-voltage and ultrahigh-voltage transformer stations.

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.

The invention relates to a high-voltage test device for a lightning arrester of a power transmission line. The high-voltage test device comprises a telescopic insulating rod, a wire clamp and a low-insulation direct-current (DC) shielding high-voltage lead penetrating into the telescopic insulating rod, wherein a male butt plug and a female butt plug are respectively manufactured at two ends of the low-insulation DC shielding high-voltage lead, the male plug end is fixed at one end of the telescopic insulating rod, and the female plug end is connected to a tested lightning arrester through a telescopic lead in the insulating rod and a male plug of the wire clamp; the wire clamp comprises a large clamp and a small clamp, the large clamp is connected with a wire core of the shielding wire, and the small clamp is connected with the shielding of a shielding wire. The device has increased the commonality that same equipment is applicable to multiple scenes as well as has reduced the workload of the test personnel; the work efficiency is improved, the risk that the test personnel falls at high altitude when repeatedly working on a platform edge on a shaft tower is avoided at the same time, and most importantly, the fall off of the high-voltage lead in the test process can be avoided, thereby guaranteeing the personal safety of the test personnel and avoiding the damage of the test equipment.

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.