93 results about "Safety wire" patented technology

Various embodiments of a modular support bracket system including a universal anchor element configured couple with a pair of support structures are described. The anchor element includes a connecting member that extends between first and second coupling members. Each of the first and second coupling members include an opening configured to provide first and second anchor points that an installer can couple a safety line to during the installation, maintenance, or repair. The support structure includes a first truss attachment segment having a base and a support member extending in a substantially perpendicular direction from one end of the base. The first truss attachment segment configured to be secured to the anchor element and a first surface of a first frame member of the roof. A ridge cap can be installed over the bracket system such that the first and second coupling members extend outward from the ridge cap.

Financial transaction equipment comprises a shell, a control module and a card reading mechanism, the shell is provided with a storage cavity and a card swiping port; the control module is arranged in the storage cavity and comprises a control panel; the card reading mechanism comprises a card swiping supporting assembly, a first card reading piece, a second card reading piece, a first connecting assembly, a second connecting assembly, an anti-disassembly switch and a pressing piece, the card swiping supporting assembly is arranged on the control panel and provided with a card swiping groove, and the first card reading piece and the second card reading piece are arranged on the card swiping supporting assembly in a spaced mode and extend into the card swiping groove; the first connecting assembly is connected with the first card reading piece and the control panel and provided with a first safety wire, the second connecting assembly is connected with the second card reading piece and the control panel and provided with a second safety wire, and the anti-disassembly switch is arranged on the second connecting assembly and connected with the second safety wire. The pressing piece is arranged on the card swiping supporting assembly and abuts against the anti-disassembly switch. According to the financial transaction equipment, the convenience of using the financial transaction equipment and the data security of the cardholder information can be improved.

A self-retracting lifeline (SRL) including a housing within which are a lifeline-bearing drum and a centrifugal brake. The SRL may comprise pawl-supporting infrastructure that is integral with a sidewall of the drum. The drum, including first and second sidewalls and a spool connecting them, and the pawl- supporting infrastructure, may all be portions of a single piece. The SRL may include a motor spring with a radially-inward end that is fixedly connected to a shaft that is non-rotatably fixed to the housing and upon which the drum is rotatably mounted. The motor spring may reside in a casing that is axially mated to the drum so that the casing as a whole, and the drum, cannot substantially rotate relative to each other. The drum may comprise a cavity configured to receive, e.g. to circumscribe, a fitting of a proximal end of a safety line of the SRL, in order to permanently connect the safety line to the drum.

A construction anchoring system includes one or more anchor apparatuses which are mountable relative to a form used to create a concrete support structure. The concrete is deposited in the form and cures whereby the one or more anchor apparatuses becomes embedded within the concrete support structure. The embedded anchor apparatus is readily accessible to be coupled with, or to support, construction supplies or equipment such as ductwork, electrical cables, plumbing, sprinklers, safety lines or fences, etc. within a construction site. A plurality of anchor apparatuses may be mounted relative to the concrete form to create a system for organizing the installation of construction materials and / or safety equipment.

The utility model provides an intelligent lifting high-speed rail platform safety door, and relates to the technical field of platform safety protection, the intelligent lifting high-speed rail platform safety door comprises a base, a supporting stand column, a double-cylindrical-tooth-shaped guide rail and a guide supporting column which are fixedly arranged on the top of the base, a lifting support is connected with the double-cylindrical-tooth-shaped guide rail in an up-down sliding mode, and the lifting support is fixedly connected with a handrail fixing plate; one end of the lifting handrail is fixedly connected with the handrail fixing plate, the other end of the lifting handrail is fixedly connected with the safety line cross rod, and the balancing weight is connected with the guide supporting column in an up-down sliding mode. The lifting support is driven to ascend and descend by starting the double-cylinder tooth-shaped guide rail, the lifting support can drive the handrail fixing plate and a plurality of sets of lifting handrails on the top to ascend and descend, and therefore full ascending and full descending of the safety door are achieved, and the safety door corresponds to various lifting modes such as lifting of a train door and driving along with a bullet train. And the use space of the platform is not occupied.

A fall protection system and method, particularly for attenuating shocks transmitted to a person's body by a safety line, such as a rope or cable, after a fall or while being deliberately lowered from an overhead anchor point. A shock absorber assembly is incorporated in or on the safety line, deployed between the person and the safety line anchor point.

The utility model belongs to the technical field of general configuration of platforms, and particularly provides a platform system. The platform system comprises a platform, an isolation safety system is arranged at the position, close to the edge, of the platform, and a cable needed by the isolation safety system is arranged under a safety line of the platform. According to the platform, when the cables of the isolation safety system are laid, only narrow safety lines need to be detached / laid, after the main bodies of the cables are completed, the cables are bent to corresponding equipment through flexible deformation of the cables, the overall engineering amount is small, and the construction efficiency is higher.

The invention relates to a truss tower lifting system. Comprising a ladder stand assembly, and a guide pipe assembly is installed on the ladder stand assembly; the elevator further comprises a car structure and a safety lock, and the safety lock is matched with the safety steel wire rope. The elevator further comprises a lifting top plate and a lifting assembly and further comprises a working steel wire rope wound on the lifting assembly, one end of the working steel wire rope is connected with the top of the elevator car structure, the other end of the working steel wire rope is arranged in the guide pipe assembly in a penetrating mode, and a balance weight column movably arranged in the guide pipe assembly in a penetrating mode is installed on the working steel wire rope. The emergency stop control assembly penetrates through the top of the guide pipe assembly and is movably connected with the guide pipe assembly, and when the balance weight column moves into the emergency stop control assembly and collides with the guide pipe assembly, the emergency stop control assembly can be driven to move upwards; the device further comprises a state monitoring assembly movably connected to the lifting top plate. According to the elevator, workers and maintenance equipment can be driven to stably ascend and descend along the crawling ladder, the possibility that the elevator car falls or rushes to the top due to emergencies can be avoided, and the safety is high.

The present invention discloses a machine room-less elevator installation device, comprising a supporting frame, a power lifting device and a safety protection device. The elevator car moves up and down on the guide rail of a hoistway, a safety wire rope is arranged in the hoistway, a guide wheel is arranged on the top of the hoistway, the power lifting device comprises a hoist and a power wire rope, an L-shaped base is arranged at the bottom of the hoist, the L-shaped base is hinged on a mounting seat to form a first hinge point, the head end of the power wire rope is fixed on another mounting seat, the tail end enters the hoist after passing around the guide wheel, the hoist climbs on the power wire rope, the safety protection device comprises a centrifugal safety lock fixed on the supporting frame, when the speed of the centrifugal safety lock relative to the safety wire rope descending reaches a set speed, the locking block in the centrifugal safety lock is actuated to hold the safety wire rope tightly, the centrifugal safety lock is linked with the safety clamp on the elevator car, and when the locking block is actuated, the safety clamp is actuated to clamp the guide rail.

The invention relates to a steel ladle patching and lining making method which comprises the following steps: when a steel ladle is transferred to a safety line, cleaning residual steel slag on the surface of the steel ladle after the steel ladle is off line, then smearing high-strength bonding plastic refractory, and enabling the surface of the steel ladle smeared with the high-strength bonding plastic refractory to be smooth; then, the short bricks are laid layer by layer from bottom to top and tightly squeezed; after construction is completed, the steel ladle is conventionally baked and put into use; and after each off-line process, repeated patching and lining making are carried out, and the maintenance is carried out circularly in this way. The built steel ladle, the residual lining and the short bricks are bonded into a whole, the steel ladle cannot be peeled off and broken in the conventional baking and using process, the unit consumption of a refractory material is remarkably reduced, and the method plays an important role in reducing cost, improving efficiency and reducing energy consumption.

This invention discloses a multi-line wiring structure based on a small space, belonging to the field of small-space wiring technology. It solves the problems of inconvenient wiring, easy interference and wear of wires, and cumbersome disassembly and maintenance in existing firing mechanisms within small spaces. The structure is built into the firing mechanism and consists of a central tube, a trigger switch, a trigger switch base, a wire tube, a trigger body, a firing mechanism connector, a firing mechanism spring, a rubber ring, a support frame, a trigger wire, and a safety wire. The wire tube is located on the central axis and passes through the movable trigger body. The wires of the trigger switch, trigger wire, and safety wire are inserted into the wire tube for isolation and protection. The wires are connected using segmented connectors. The support frame and the rubber ring cooperate to fix the wire tube. The front boss of the support frame cooperates with the groove of the firing mechanism connector to prevent rotation. It can achieve reliable and convenient wiring in the small space of a firing mechanism containing moving parts, avoid wire wear, facilitate disassembly and testing, meet simulation requirements, and can be promoted for wiring of other types of firing mechanisms.

The application provides a hanging basket safety steel wire rope adjustable combined weight, relates to the technical field of hanging basket equipment, and comprises a weight body and a rope winding device, both sides of the top of the weight body are provided with key frames, both sides of the bottom of the weight body are provided with first key groove frames matched with the key frames, the rope winding device is installed on the weight body, and the rope winding device comprises a shaft plate and a rope winding wheel, one end of the shaft plate is connected with a first protective cover, the rope winding wheel is rotationally arranged on the inner side of the shaft plate, and one end of the shaft plate is rotationally provided with a gear; the rope winding device is installed on the weight body, the steel wire rope is threaded into the rope winding wheel, the gear can be fixed by clamping teeth of a clamping block into the gear, the rope winding wheel is fixed, the end of the steel wire rope is fixed, when rotation is needed, the clamping teeth are separated from the gear by only pushing the clamping block, the rope winding wheel can be rotated to adjust the steel wire rope at this time, the tooth opening is convenient for accurate adjustment of the steel wire rope, the fixing mode is simple, the steel wire rope can be freely wound and unwound, and the adaptability to different environments is high.

The utility model relates to the technical field of wire drawing devices, specifically a safe wire pay-off stand, including a mounting arm, the mounting arm is rotatably connected with a guide component, the tail end of the mounting arm is fixedly connected with a limited portion; the guide component includes a guide wheel rotatably connected to the mounting arm and a protective component fixed to the mounting arm, the protective component includes a positioning seat fixedly connected to the mounting arm, two support columns are fixed on the positioning seat, each support column is fixed with a ring, the ring surrounds the outside of the guide wheel, a first connecting rod is fixed between the two rings, the first connecting rod is located at one end of the ring away from the positioning seat, and a second connecting rod is fixed between a ring closest to the mounting arm and the mounting arm. The device can correct the direction in which the wire is introduced into the wire drawing machine, improve the wire drawing effect, and prevent the wire from deviating and injuring surrounding staff, thereby improving the safety of equipment use.

The present invention relates to the technical field of vehicle brake-by-wire motors, and in particular to a high-safety brake-by-wire motor. A first mating sleeve and a second mating sleeve are both sleeved on the power output shaft of the motor body. The first mating ring is sleeved on the second mating sleeve. The first mating ring is used for transmission cooperation with the brake actuator of the brake-by-wire system. The second mating sleeve is transmission-coordinated with the positioning rod, which extends along the axial direction of the second mating sleeve and extends outside the second mating sleeve. A position detection sensor is used for detecting the displacement of the positioning rod, and the position detection sensor is electrically connected to a processor. The processor is used to determine whether the rotation stroke control of the motor body is accurate based on the corresponding relationship between the rotation amount of the motor body and the displacement amount of the positioning rod in the self-test state. It can realize self-test of the rotation stroke accuracy according to actual needs, further improve the safety and reliability of the brake-by-wire motor, and help to further improve the driving safety of the vehicle.

The application provides a rough rolling mill anti-head warping and steel clamping control method, relates to the automatic control technical field of steel rolling, and comprises the following steps: two infrared hot metal detectors with temperature measurement functions are preset at a descaling cover of a rough rolling mill and are respectively used as a height alarm line detector and a height safety line detector; the lower surface of the descaling cover is set as a slab head warping height alarm line, and the upper surface of the descaling cover is set as a slab head warping height safety line; when the height alarm line detector detects that the slab head warping temperature is higher than a temperature threshold value, an alarm prompt is sent on an HMI picture, and an operator adjusts the rolling mill speed according to the alarm prompt to balance the slab head warping height; when the height safety line detector detects that the slab head warping temperature is higher than the temperature threshold value, the rolling mill immediately executes interlocking protection parking. The slab head warping detection device can detect the slab head warping height, and can avoid major production accidents such as steel clamping and equipment damage caused by excessively high slab head warping.

The invention relates to the technical field of electric power engineering measurement, in particular to an electric power engineering overhead cable safety line distance measuring device which comprises a self-adaptive mounting base, an automatic telescopic support and a safety line distance measuring assembly. The automatic telescopic support is arranged between the self-adaptive mounting base and the safety line distance measuring assembly, the self-adaptive mounting base is detachably mounted on the overhead cable supporting frame, and the mounting strength of the self-adaptive mounting base and the overhead cable supporting frame is synchronously adjusted along with stretching and retracting of the automatic telescopic support. The self-adaptive mounting base comprises a fixing mechanism clamped and mounted on the overhead cable supporting frame, and a self-adaptive reinforcing piece is arranged on the side, facing the automatic telescopic support, of the interior of the fixing mechanism and rotationally connected with the driving end of the automatic telescopic support. The safety line distance measuring assembly comprises a self-adaptive measuring unit which is installed on the lower side of the head end portion of the automatic telescopic support in a lifting mode. The device is accurate in measurement, automatic in operation, high in stability and high in structural linkage efficiency.

The roof fall prevention ladder device (1) of the present invention is composed of a safety rope block (50) having a safety wire (53) connected to a worker who has climbed onto the roof (201) through a fall prevention part (40), and a lower fixing part (30) that is connected to the roof (201) of a building (200) by a rotating structure and is attached to the roof (201) of a building (200) from top to bottom, thereby having the feature of preventing fall accidents caused by roof collapse when working on the roof (201) of a building (200) such as a livestock barn where it is difficult to use an aerial work vehicle.

The invention provides a pre-dilation guide wire which is characterized in that the pre-dilation guide wire comprises a balloon, a first cutting hypotube, a first connecting tube and a hollow tube, an air inlet of the balloon is connected with an air outlet of the first connecting tube in a sealed mode, and an air inlet of the first connecting tube is connected with an air outlet of the hollow tube in a sealed mode; one end of the first cutting hypotube penetrates through the first connecting tube in the axial direction of the first connecting tube. The balloon is directly integrated to the guide wire body, the pre-expansion function is achieved, pre-expansion can be conducted immediately without replacing instruments after the guide wire penetrates through a lesion, the operation steps are remarkably simplified, the operation time is shortened, and the risk of vascular injury caused by multiple times of instrument exchange is effectively avoided; meanwhile, the tensile strength of the far end of the guide wire can be improved by arranging the safety wire, the product safety and the twisting control performance are improved, and the core wire is easier to control.

The invention discloses a method and a device for weaving a safety lead during punching and lead inserting. The device comprises a punching and lead inserting device body mounted on a movable machine head, the punching and lead inserting device body is provided with a safety lead conveying mechanism, a cutting mechanism and a lead shifting mechanism. The lead shifting mechanism comprises a first lead shifting fork and a second lead shifting fork which are arranged side by side in the left-right direction and move front and back. The safety lead conveying mechanism conveys a safety lead to the cylinder row, the safety lead and the inverted-U-shaped lead section are arranged in parallel front and back, and the safety lead penetrates through the first shifting fork and the second shifting fork; the safety lead cutting mechanism is located on the right side of the first lead shifting fork and cuts off the safety lead after punching, lead inserting and weaving of the safety lead are completed in one barrel row. Safety lead weaving work can be completed while punching and lead inserting are carried out. The processing efficiency is effectively improved, and the labor load of manual operation of the safety lead braiding work is avoided.

An electric wire is disclosed having a metal conductor, a first synthetic heat stable tape layer in direct contact with the metal conductor, wherein the first synthetic heat stable tape layer has a first edge and a second edge, wherein the first edge and the second edge are substantially parallel to one another, wherein the second edge overlaps the first edge by at least 180 degrees on a cross-sectional view, a second synthetic heat stable tape layer, wherein the second synthetic heat stable tape layer is helically wrapped around the first synthetic heat stable layer, a third synthetic heat stable tape layer, wherein the third synthetic heat stable tape layer is helically wrapped around the second synthetic heat stable layer, wherein electric wire contains no silicone, and an extruded layer, wherein the extruded layer is extruded over the second synthetic heat stable tape layer.

The invention discloses a cast-in-place concrete arch suspended splicing steel arch support system dismantling method, which relates to the technical field of bridge construction, and comprises the following steps of: sequentially arranging a plurality of safety steel wire ropes at intervals along the length direction of a suspended splicing steel arch; a hanging steel wire rope is arranged at the arch frame unit to be dismantled; a winch system is installed on the concrete arch, a winch steel wire rope of the winch system is connected with the arch frame segment to be dismantled from the side face, and a chain block and a tower crane steel wire rope are connected; through mutual cooperation of a winch system and a chain block, the arch frame segment to be dismantled is pulled to the edge of a concrete arch; and hoisting out and storing the arch frame section to be dismantled through a tower crane steel wire rope. And the steps are repeated, and all the arch frame units are dismantled column by column till the whole suspended splicing steel arch frame is completely dismantled. The construction method is low in construction site requirement, simple in structure and convenient and fast to construct, extra large hoisting equipment for assistance is not needed, and the integrity of the concrete arch structure after construction is improved.

The application discloses a railway passenger platform lifting safety door, which comprises a lifting safety door unit, the lifting safety door unit comprises a barrier and a first lifting driving mechanism, a second lifting driving mechanism and a controller, and the two ends of the barrier are connected with the first lifting driving mechanism and the second lifting driving mechanism respectively. The application sets multiple groups of lifting columns on the existing railway passenger platform, and multiple horizontal parallel protection belts are arranged between each group of lifting columns, then an embedded microprocessor is arranged to drive a servo motor through a motor driver, and the lifting column is driven to lift, so that the opening and closing control between passengers and the blind path can be realized according to needs, when passengers are waiting, the safety door blocks the passengers outside the safety line, so that the passengers are prevented from falling by accident, and the passengers are also prevented from intentionally rushing down the platform, the waiting safety of the passengers is greatly improved, and the burden of the station staff is reduced; when the passengers need to take the train, the safety door is lifted to allow the passengers to get on the train.

The invention discloses a marine energy storage and charging system convenient for safe charging, and relates to the technical field of electric energy storage and charging, the marine energy storage and charging system comprises an energy storage station, the energy storage station is connected to an overwater charging device, the overwater charging device comprises a plurality of charging units, each charging unit comprises a unit body, a charging wire and a charging gun, one end of the charging wire is connected to the unit body, and the other end of the charging wire is connected to the charging gun; the charging connection wire further comprises a plug and a socket which are connected with each other. At least one safety line is connected between the charging gun and the unit body, and the safety line is shorter than the charging connection line. The charging gun can meet the charging requirement of a ship, through the arrangement of the plug, the socket and the safety line, stable charging work of the charging gun is facilitated, meanwhile, the problem that a charging circuit is damaged due to stormy waves or forgetting to pull out the charging gun is solved, and the effect of improving the charging safety is achieved.

The utility model relates to a cable anti-overflow device for oil-water well testing, which comprises an overflow pipe, a connecting seat fixedly mounted on one side of the overflow pipe, a vertical rod inserted into the connecting seat, a cable inserted into the vertical rod, a baffle fixedly mounted in the overflow pipe, a water drain pipe fixedly mounted on one side of the baffle, and a moving assembly arranged in the overflow pipe. The moving assembly comprises a sliding groove, a supporting rod, a sliding block, an annular fixing block, an upper electrode plate, a lower electrode plate, a foam plate, an annular block, a storage battery and an alarm, through the arranged moving assembly, when liquid in the oil-water well rises, the lower electrode plate can be driven to move through the foam plate, an alarm is triggered at the joint of the upper electrode plate and the lower electrode plate, workers are reminded, and the working efficiency is improved. When the liquid in the oil-water well exceeds the safety line, the waterproof motor can be started through the control module by arranging the pressure sensor, the circular baffle on the rotating rod is driven to rotate, and the liquid in the oil-water well is prevented from flowing out.

The invention relates to a draw shaft material level detection device which comprises an outer pulling steel wire rope, a six-section galvanized pipe, a safety ring, a safety steel wire rope and a material level sensor hanging bucket, the outer pulling steel wire rope is sequentially connected with the safety ring (3) and the safety steel wire rope (4), the hanging bucket is arranged on the safety steel wire rope, and the outer pulling steel wire rope (1) is used for dragging the safety ring (3) and the material level sensor hanging bucket (5). The lifting of the material level sensor bucket (5) is realized by externally pulling the steel wire rope (1), and the material level is measured. The technical scheme is ingenious in design, compact in structure and easy to operate, and the lifting mode of the measuring tool can be freely collected and released.

The present invention concerns a safety contact for a safety line in a train, the safety contact comprising a controller and a safety switch circuit, wherein the controller comprises a sensor input for receiving signals indicating failure, wherein the safety contact comprises an input for a safety line input signal, which input is operably connected to the controller, whereby the controller is configured to receive a control signal representing a safety line state which is dependent on the safety line input signal received at the input, wherein the safety switch circuit comprises a set of at least one safety switch, the safety switch being positioned between a power supply and an output, wherein the controller is configured to: upon receiving a control signal indicating a working safety line state and a sensor input value representing no safety function failure, close said safety switch of the safety line circuit, thereby putting an output signal on the output, the output signal indicating a working safety line state, and upon receiving a control signal indicating a non-working safety line state or a sensor input value representing a safety function failure, open said safety switch of the safety line circuit, thereby essentially interrupting the safety line.

The invention discloses a novel safety wire harness connector for an electric automobile, and relates to the technical field of automobile wire harness connectors, the novel safety wire harness connector comprises a wire harness main body and a connector main body mounted at the end of the wire harness main body, the connector main body is fixedly sleeved with a positioning piece, and a limiting frame is fixedly mounted on one side of the positioning piece; a plastic sealing piece is fixedly installed on the inner ring of the limiting frame, an electric heating wire is arranged on the plastic sealing piece, a negative pressure groove is formed in one side of the positioning piece, a through opening is formed in the plastic sealing piece, and the negative pressure groove is communicated with the through opening. According to the invention, the electric heating wire can transmit heat to the plastic sealing element by turning on the electric heating wire, and the plastic sealing element can be shaped after being heated, so that after the connector main body is inserted into the socket, the plastic sealing element can abut against the bulge on the socket and is extruded into the plastic sealing element, namely, the plastic sealing element abuts against the socket shell in a sealing manner; the sealing performance is improved, and the air leakage problem is avoided.

A hydraulic braking system for a bicycle, comprises a master cylinder (15) actuated by a manual control lever (14), an electrically controlled changeover valve (19) alternatively connectable either a brake caliper (13) or to a lever force hydraulic simulator (21), and a motor driven hydraulic actuator (25) that is in fluid communication with the brake caliper. An electronic control unit (32) controls the changeover valve and the motor driven hydraulic actuator. The changeover valve (19) is electrically controlled through a solenoid (40) that, when energized by the electronic control unit, sets the changeover valve in fluid communication with the lever force hydraulic simulator (21) and cuts off direct fluid communication between the master cylinder and the brake caliper. A fail-safe spring (41) acts against the force exerted by the solenoid on the changeover valve, whereby in the absence of electric power supplied to the solenoid, the fail-safe spring switches the changeover valve to a fail-safe operational mode in which the master cylinder is fluidically directly connected to the brake caliper.

A hanging basket suspension mechanism comprises a front seat and a rear seat which are vertically and fixedly arranged, a front beam horizontally arranged on the front seat and a rear beam horizontally arranged on the rear seat, a front steel wire rope suspension assembly is arranged at one end of the front beam and used for being connected with a hanging basket assembly, a rear steel wire rope suspension assembly is arranged on the rear beam, and a rope wheel assembly is arranged on a stand column of the front seat. The safety device further comprises a safety steel wire rope and a balancing weight, the balancing weight is fixedly connected with the other end of the rear beam, the safety steel wire rope is matched with the rope wheel assembly, the two ends of the safety steel wire rope are fixedly connected with the front steel wire rope suspension assembly and the rear steel wire rope suspension assembly respectively, and an adjusting mechanism for adjusting the distance between the front beam and the rear beam is arranged between the front beam and the rear beam. The distance between the balancing weight and the stand column is b, the load of the hanging basket assembly is F, the distance between the hanging basket assembly and the stand column is a, the anti-overturning coefficient is K, K = bG / aF > = 3, the hanging basket suspension mechanism can be installed according to the actual load or the building space, and the anti-overturning performance of the hanging basket suspension mechanism is guaranteed.

A forced forced landing hanging basket device comprises a side support, a bottom plate, a front support, a distribution box, a safety lock, an elevator and a safety steel wire rope which are arranged on a suspension platform body, and further comprises a strong wind alarm device, a non-operation forced landing device and an emergency power supply device. The strong wind alarm device is composed of a wind speed sensor, a single-chip microcomputer module and an audible and visual alarm. The wind speed sensor is installed on the side support, and the signal output end of the wind speed sensor is electrically connected with the single-chip microcomputer module. The first output end of the single-chip microcomputer module is electrically connected with the audible and visual alarm, and the second output end of the single-chip microcomputer module is electrically connected with the elevator. The non-operation forced landing device comprises an elevator electrically connected with the single-chip microcomputer module. The emergency power supply device is electrically connected with the elevator, the single-chip microcomputer module and the audible and visual alarm. Compared with the prior art, the system has the advantages that automatic early warning of extreme weather is achieved, the non-operation forced landing function and the power-off emergency guarantee function are achieved, and high practicability is achieved.