52 results about "Safety wire" patented technology

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 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.

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 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 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 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.

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.

The invention provides a self-adhesive label safety line finishing and pressing device which comprises a machine base and a supporting frame, a reciprocating lifting mechanism is arranged on the supporting frame, and the reciprocating lifting mechanism comprises a vertically-extending rack, a vertical guide sliding sleeve and a vertical guide sliding sleeve, the sector gear is driven to rotate and then is periodically meshed with the rack; the top end of the reset spring is fixed to the vertical guide sliding sleeve, and the bottom end of the reset spring abuts against limiting bosses integrally formed on the two sides of the rack. And the pressing block is fixed at the bottom end of the rack and is in periodic stamping fit with a pressing table arranged at the top of the machine base. The sector gear is driven to rotate and is periodically meshed with the rack, and then the rack can be driven to quickly slide downwards in the vertical guide sliding sleeve in cooperation with the reset spring, so that the safety in the adhesive label can be quickly pressed in cooperation with the pressing block, and the situation that the adhesion performance is affected due to the fact that an adhesive is heated to migrate due to long-time contact is avoided.

The utility model provides a kind of tower operating personnel protection device, horizontal installation spiral encircling safety work track on high altitude tower, and install track moving module in each predetermined position, so that operating personnel can connect safety pole to track moving module, can be freely moved in horizontal direction, also can move up and down along spiral structure, when falling accident occurs, because track moving module is inclined and limit the loosening of safety line, to prevent operating personnel falling.Correspondingly, the tower operating personnel protection device according to the utility model embodiment includes: safety work track, spiral encircling installation along tower up and down length direction;And track moving module, install on safety work track, connect with the safety belt of operating personnel, and spiral move along safety work track, the safety work track includes: recess portion, form predetermined width along bottom length direction;And step portion, the step portion is formed with predetermined interval along the upper length direction and protrudes.

The utility model relates to the field of high-rise construction, in particular to an anti-falling device for construction outside a high-rise wall. The utility model provides an anti-falling device for construction outside a high-rise wall, which can level a hanging basket when a working steel wire rope is broken, prevent the hanging basket from falling, prevent constructors and materials from falling, and improve the safety and convenience of use. An anti-falling device for construction outside a high-rise wall comprises a supporting frame, motors, winding drums and the like, the motors are connected to the outer sides of the left portion and the right portion of the supporting frame, and output shafts of the motors penetrate through the supporting frame to be connected with the winding drums. When the working steel wire rope on one side is broken, the hanging basket can incline to be in contact with the pressure sensor, the motor can be automatically started to operate, the safety steel wire rope on the broken side of the working steel wire rope rotates to take up, and then the hanging basket is leveled, so that the hanging basket can be leveled when the working steel wire rope is broken, and the hanging basket is prevented from falling off; constructors and materials are prevented from falling off, and the safety and convenience of use are improved.

The utility model relates to the technical field of lifting type platform doors, and discloses a hidden type intelligent lifting type platform door which comprises a bottom fixing base buried underground, a pneumatic type lifting assembly installed in the bottom fixing base and connected with an integrated cross beam, a civil engineering foundation installed at the top end of the bottom fixing base and connected with the integrated cross beam. A storage opening for storing the integrated cross beam is reserved in the civil foundation, and an anti-slip strip capable of replacing the safety line is installed at the top end of the integrated cross beam. According to the hidden intelligent lifting type platform door, after the integrated cross beam returns to the storage opening, the integrated cross beam is hidden, and meanwhile the anti-slip strip located at the top end of the integrated cross beam plays a role in replacing a platform ground safety line.

The application discloses a fishing rod slip float control regulator using method and device, and relates to the technical field of fishing instruments, which comprises a slip float control regulator and a water pressure lead auxiliary device; the water pressure lead auxiliary device comprises a float seat, a lever, a space bean, a front hanging line, a wire tube, a rubber band, a middle hanging line, a rear hanging line, a sliding rod, a sleeve, a rear blocking block, a gasket, a wire anti-dropping device, a pull line, a rubber band, a space bean, a wire tube, a wire anti-dropping sleeve, a water pressure lead, a float, a fishing group, a fishing rod, a main line, a water pressure lead, a safety line, a connecting line, a rubber band, a space bean, a wire tube, a wire wheel, a wire collecting clamp and a remaining hole fishing group; when in use, the fishing group is hung with fish bait, the fishing rod is thrown into water, the fishing group is continuously lowered, and the wire wheel continuously releases the main line; when the float is exposed to the water surface, the pull line is pulled to lower the water pressure lead, and the main line is collected to adjust the float direction. The application is convenient to use, can flexibly adjust the float direction, and the float is stable and sensitive.

The utility model provides a fan tower lifting system and a wind turbine, and relates to wind power generation equipment. Comprising a tower drum, an anti-swing support, an anti-swing rod and a lifter, the anti-swing support is fixed to the inner wall of the tower drum to form an avoiding channel allowing the lifter to penetrate through, the anti-swing rod is provided with two anti-swing through holes allowing a safety steel wire rope and a traction steel wire rope to penetrate through respectively, and the anti-swing rod is erected on the anti-swing support; when the elevator penetrates through the avoiding channel and moves from the lower portion of the anti-swing support to the upper portion of the anti-swing support, the anti-swing rod can be erected on the top of the elevator. When the elevator crosses the anti-swing support from bottom to top, the anti-swing rod is transferred to the top of the elevator from the anti-swing support and runs along with the elevator. When the elevator crosses the anti-swing support from top to bottom, the anti-swing rod is transferred to the anti-swing support from the top of the elevator, and the anti-swing rod passes through the anti-swing through hole in the anti-swing rod in the moving process, so that the distance between the safety steel wire rope and the traction steel wire rope is kept, and winding or winding of other accessories in a tower drum during shaking is avoided.

The utility model relates to a safety wire harness for an electrical cabinet. The wire harness comprises a conductor layer, a composite insulating layer, a gradient buffer layer, a multi-layer heterogeneous shielding layer and an outer sheath from inside to outside in sequence, wherein the gradient buffer layer adopts a silicone rubber / carbon fiber woven spiral spring structure and is used for absorbing vibration energy; the multi-layer heterogeneous shielding layer sequentially comprises an inner shielding layer, a middle wave absorbing layer and an outer layer from inside to outside and is used for shielding electromagnetic interference. The safe wire harness for the electrical cabinet is reasonable in design, solves the problems that an insulating material of an existing wire harness for the electrical cabinet is easy to age and layer, and shielding effectiveness is attenuated during high-frequency interference, can better adapt to complex working conditions, can better adapt to the complex working conditions in practical application of the electrical cabinet, and is high in practicability. And the stability of power transmission and signal transmission is ensured.

The utility model provides a safety line fixing device for aloft work. The safety line fixing device comprises a supporting frame and a C-shaped hook. The supporting frame comprises a first supporting plate, a second supporting plate and a connecting plate, the first supporting plate and the second supporting plate are arranged in parallel, the connecting plate is perpendicular to the first supporting plate and the second supporting plate, the connecting plate is connected with the first supporting plate and the second supporting plate to form a cavity capable of containing a steel structure flange plate, and the first supporting plate is in threaded connection with at least one locking bolt. The open end of the C-shaped hook is provided with an upper protruding part and a lower protruding part, the C-shaped hook is connected with the first supporting plate, the lower protruding part is movably connected with a locking piece, and the locking piece can make contact with or be away from the upper protruding part, so that the C-shaped hook can support a safety line, and a safety rope hook can pass through a notch formed by the locking piece and the C-shaped hook. A worker does not need to repeatedly pick and hang the safety rope hook when moving along the safety line, so that the working efficiency is improved, and the safety risk is reduced.

The invention discloses an automatic pulling method and system for a turnout leading to a safety line, and the method comprises the steps: firstly, monitoring a route sequence state related to the turnout leading to the safety line; when the route sequence is clear, starting monitoring and pulling logic; in a preset monitoring time period, continuously checking whether the turnout meets multiple pulling conditions such as non-positioning, stable clearing, no equipment limitation and enough interval with the next plan or not; when all the conditions are met, a single operation command of pulling to positioning is sent to the interlocking system; then, the command execution result and the final state of the turnout in the preset time period are monitored in parallel; and if the command execution is overtime or the time period is over, the command is still not successfully wrenched, a clear alarm is generated to prompt manual intervention. According to the corresponding system, a safety line turnout service module is additionally arranged in an autonomous machine, and the logic is realized in a mode of decoupling from a core module. According to the invention, automation of resetting operation leading to the safety line turnout is realized, the manual labor intensity and the operation risk rate are reduced, and a perfect exception handling mechanism is provided.

1. The name of this design product: Intelligent lifting safety door. 2. Purpose of this design product: Used on railway platforms to prevent people from entering the security line during non-boarding hours. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a kind of anti-falling devices for electric power construction belongs to electric power construction technical field, including first cladding, the outside of first cladding is provided with second cladding, the inner wall of first cladding is fixedly connected with fixed rod, the inner side wall of first cladding is fixedly connected with connecting block, the inner wall of connecting block is fixedly connected with first arc clamping block, the inner wall of second cladding is fixedly connected with support rod, and the inside of second cladding is provided with knock rod.The anti-falling device for electric power construction, the cooperation of first cladding and second cladding forms main body structure, the fixed rod of first cladding inner wall can enhance the stability of whole structure opening and closing, its inner side wall is fixed first arc clamping block by connecting block, can form the clamping basis of safety cable with the second arc clamping block of outside, the support rod of second cladding inner wall provides rotating support for knock rod, knock rod is connected by support frame and second arc clamping block, can adjust second arc clamping block position by the aid of lever action.

The utility model discloses a high-voltage line aviation warning ball aerial installation work platform which comprises a plurality of iron tower cross arms and an overhead ground wire connected with the iron tower cross arms, a hoisting tackle is installed on the overhead ground wire, a hanging basket connected with the hoisting tackle is arranged below the hoisting tackle, a universal pulley and a safety wire clamping device are respectively installed on the overhead ground wire, and the safety wire clamping device is connected with the hoisting tackle. Wherein the universal pulley is arranged in the advancing direction of the hanging basket, the safety wire clamping device is arranged in the direction opposite to the advancing direction of the hanging basket, and a manual winch connected with the universal pulley through a traction rope is installed on the hanging basket and is configured to control the hanging basket to move on the overhead ground wire. The aerial warning ball is simple in structure, through the arrangement of the manual winch and the universal pulleys, the operation platform can move forwards autonomously in the air, an overhead ground wire is locked through the safety wire clamping device, braking sliding in the working state is achieved, aerial installation of the electric power circuit aerial warning ball is achieved, expropriation of a construction channel site is reduced, construction efficiency is improved, and construction cost is reduced. And the construction cost is saved.

The utility model discloses an insulating support which comprises a supporting table and supporting legs, the supporting table comprises an insulating partition plate and an insulating supporting plate, the insulating supporting plate is connected to the bottom of the insulating partition plate, and the insulating supporting plate is divided into a first supporting area and a second supporting area which are separated from each other by the insulating partition plate; the supporting legs are connected to the sides, away from the insulating partition plates, of the insulating supporting plates. And the large surface of the insulating partition plate intersects with the large surface of the insulating support plate. According to the insulating support disclosed by the utility model, the insulating support plate is divided into the first support region and the second support region which are separated from each other by the insulating partition plate, and the first support region and the second support region which are separated from each other can be used for respectively supporting two safety devices of a battery, so that the stress of a safety wire harness is reduced; the risk that the safety wire harness falls off from a welding point is reduced, meanwhile, the risk of short circuit caused by mutual contact of the two safety devices can be reduced, and the safety in the battery test process is improved.

The utility model relates to the technical field of safety interlocking, in particular to an orientation safety interlocking device for preventing orientation rotation of rotating equipment from crossing a boundary, a circuit of the safety interlocking device comprises a starting signal loop and a rotating equipment cabin door safety circuit, and the starting signal loop and the rotating equipment cabin door safety circuit are connected in series through a cable. The starting signal loop is used for providing a signal for a rotating equipment cabin door safety circuit; two normally-closed magnetic Hall inductive switches are additionally arranged on a safety circuit of a cabin door of the rotating equipment, the mounting positions of the normally-closed magnetic Hall inductive switches are set to be rotation forbidding areas, and the positions between strong magnets and the normally-closed magnetic Hall inductive switches are utilized to control on-off of a starting signal working link. The equipment does not damage the original safety line, has universal interfaces, is safe and reliable, has strong adaptability, can be customized according to requirements, is portable and quick to install, greatly improves the safety and reliability of the rotating equipment, and reduces the occurrence probability of safety accidents.