46 results about "Self protection" patented technology

This invention specifically relates to a biomimetic underwater robot body perception and autonomous obstacle avoidance method based on dual-path 1D-CNN, comprising: measuring the deformation data of the structure during water movement using digital image correlation equipment; deploying multiple flexible sensors in an array in areas of significant deformation to accurately acquire deformation signals; a central control unit monitoring the sensor signals in real time and performing collision detection using a lightweight dual-path 1D-CNN algorithm; when a collision signal is detected, the central control unit automatically issues control commands, which are converted into motor output parameters by a central pattern generator to change the robot's motion posture, enabling autonomous obstacle avoidance. This invention achieves real-time motion monitoring and highly robust, low-latency autonomous obstacle avoidance for biomimetic underwater robots in complex aquatic environments, providing an effective self-protection mechanism and improving its swimming safety and intelligence level.

The invention relates to the technical field of wind power generation control, and discloses a self-adaptive high-power-density permanent magnet motor control method and system, and the method comprises the steps: monitoring a motor current waveform zero crossing point time sequence in real time, and taking the occurrence frequency of a time sequence abnormal event as a recognition basis of a system stress state; when the stress state is identified, d-axis current is instantly injected to form flexible electromagnetic damping, q-axis current output is synchronously limited to reserve safety margin, a current distortion signal is converted from a control error to a system state messenger, response is carried out in a cooperative mode of combining flexible suppression and active protection, and the safety margin is reserved. The problems of overheating and mechanical fatigue accumulation caused by excessive compensation when a traditional control mode deals with disturbance are avoided, the control system obtains the irritability self-protection capacity, and the operation reliability of the wind generating set under the uncertain working condition is improved.

The application relates to a self-adaptive variable-pitch folding wind-driven cleaning device for a post insulator, which comprises a rotating mechanism, a plurality of variable-pitch folding assemblies, a plurality of fan blade assemblies and a brush assembly; the rotating mechanism comprises an inner cover and an outer shell; the variable-pitch folding assembly comprises a folding box, a semicircle ball, a reset spring, a torque box, a torsion bar and a torque spring piece; the folding box is fixed on the outer wall of the outer shell, the folding box is provided with a semicircle ball groove and a spring cavity; the semicircle ball is arranged in the semicircle ball groove; the reset spring is arranged in the spring cavity, the bottom of the reset spring is connected with the folding box, and the top of the reset spring is connected with the semicircle ball; the torque box is fixed on the semicircle ball; the bottom of the torsion bar is arranged in the torque box; the torque spring piece is wound around the bottom of the torsion bar in multiple turns, one end of the torque spring piece is fixedly connected with the torsion bar, and the other end of the torque spring piece is fixedly connected with the torque box. The device can change the angle of the fan blade and realize the folding of the fan blade according to the wind force by arranging the variable-pitch folding assembly, so that the self-adaptive opening and closing cleaning function and the self-protection purpose of the cleaning device are achieved.

The utility model discloses a corrosion type PH transmitter probe, which comprises a device body, the device body comprises a plug-in device, a fixed cylinder and a protective device, the fixed cylinder is arranged at the top of the plug-in device, and the protective device is arranged at the bottom of the fixed cylinder; the protection device comprises an outer protection shell, a first reference lead, a second PH reference lead, a diaphragm and a temperature sensor, the outer protection shell is of a cylindrical structure, the diaphragm is installed at the bottom of the outer protection shell, a PH glass film is arranged at the bottom of the diaphragm and is of a balloon-shaped structure, and the temperature sensor is located in the PH glass film. The first reference lead and the second PH reference lead are both located in the outer protective shell, one end of the first reference lead and one end of the second PH reference lead are connected with the temperature sensor, and the other end of the first reference lead and the other end of the second PH reference lead are connected with the plug-in device. The device can effectively achieve the purpose of self protection, thereby preventing corrosion and damage to the transmitter probe caused by external factors.

The utility model discloses a self-protection police anti-explosion fork which comprises a connecting rod and a mounting seat, the connecting rod is connected with the mounting seat, and a knocking hammer is arranged on the inner wall of the mounting seat in a penetrating mode. The clamping assembly is arranged on the inner wall of the mounting seat, is matched with the connecting rod and is used for clamping and fixing a violender, so that the violender is prevented from escaping and being in close contact with a user to realize protection; the limiting ring is arranged in the middle of the inner wall of the connecting rod, the end, away from the knocking hammer, of the limiting ring is connected with a second spring, and the free end of the second spring is connected with a magnetic block. According to the anti-explosion device, the short-distance contact between a violender and a protector is controlled, meanwhile, an anti-explosion person can be electrically shocked through the current generated by the piezoelectric ceramics, the violender is numb, and the problems proposed in the background technology are effectively solved.

The invention provides an LIBS-based online detection method and system for components of molten steel in an RH refining furnace, and belongs to the field of ferrous metallurgy. The slag breaking gun, the purging gun and the detection gun are integrated in the three guns respectively, and the three guns are controlled to ascend and descend integrally in a servo motor and lead screw transmission mode. The slag breaking gun adopts high-pressure pulse injection type propane gas non-contact slag breaking, the purging gun adopts high-pressure nitrogen gas purging, and the detection gun is used for LIBS element composition detection; a gun self-protection linkage mechanism is detected, when the gas pressure and flow are too low, the temperature is too high or equipment communication faults occur, fault signals are fed back to an industrial personal computer, and a servo motor immediately responds and lifts the three guns to a safe distance; the molten steel liquid level continuously fluctuates, the laser range finder and a servo motor encoder are jointly controlled through an RS422 serial port communication protocol, laser is emitted to collect data, and meanwhile automatic focusing and distance adjusting are conducted; according to the invention, the accuracy, the real-time performance and the precision of online detection of the molten steel components are improved.

The utility model provides a fire monitor head with water curtain cooling self-protection, which comprises a fire monitor body, a mounting rack is mounted on the outer wall of the top of the fire monitor body, the fire monitor head is mounted on the outer wall of the front end of the mounting rack, an electric telescopic rod is movably mounted on the upper end face of the fire monitor body, and a water curtain is mounted on the electric telescopic rod. The output end of the electric telescopic rod is movably connected with the fire monitor head, and a driving assembly is arranged on the mounting frame and the fire monitor head. According to the fire monitor head with the water curtain cooling and self-protection functions, a second belt pulley is driven to rotate on the outer wall of the fire monitor head under the driving of a servo motor in the driving assembly, so that a plurality of spray heads in the water curtain assembly conduct spraying cooling around the fire monitor head; and the connecting assembly enables the electric telescopic rod to push the fire monitor head and the servo motor to push synchronously, so that the water curtain cooling effect of the fire monitor head is achieved, and the purpose of cooling the fire monitor head for self-protection is achieved.

The utility model relates to a kind of self-protection flux-cored wire's roll equipment, including machine body, rotating and being provided with drive shaft on the machine body, motor is arranged in machine body, motor drives the rotation of drive shaft, fixedly arranged with fixed disc on the drive shaft, winding disc is slidably sleeved on the drive shaft, active disc is also slidably sleeved on the drive shaft, winding disc is located between active disc and fixed disc, positioning assembly is provided on the drive shaft;The positioning assembly includes hollow tube, two screw pipes are slidably penetrated on the hollow tube, two The screw pipe is symmetrically arranged on the hollow tube.

The invention relates to a self-adaptive variable-pitch folding wind-driven cleaning device for a column insulator. The self-adaptive variable-pitch folding wind-driven cleaning device comprises a rotating mechanism, a plurality of variable-pitch folding assemblies, a plurality of fan blade assemblies and a brush assembly. The rotating mechanism comprises an inner cover and an outer shell; the variable-pitch folding assembly comprises a folding box, a semi-sphere, a reset spring, a torque box, a torsion bar and a torque reed. The folding box is fixed on the outer wall of the shell; the folding box is provided with a semi-spherical groove and a spring cavity; the semi-sphere is arranged in the semi-sphere groove; the bottom of the reset spring is connected with the folding box, and the top of the reset spring is connected with the semi-sphere; the torque box is fixed on the semi-sphere; the bottom of the torsion bar is arranged in the torque box; the torque reed is wound at the bottom of the torsion bar in multiple circles, one end of the torque reed is fixedly connected with the torsion bar, and the other end is fixedly connected with the torque box. According to the device, by arranging the variable-pitch folding assembly, the angles of the fan blades can be changed according to wind power, folding of the fan blades can be achieved, and the self-adaptive switch cleaning function and the self-protection purpose of the cleaning device are achieved.

The invention belongs to the technical field of power system relay protection and power distribution network flexible interconnection, and discloses a flexible loop closing device body topological structure, which comprises a double-core symmetric phase-shifting transformer and a mode switching interface unit, and is characterized in that the double-core symmetric phase-shifting transformer comprises an exciting transformer bank and a series transformer bank; the mode switching interface unit is arranged on a low-voltage electric energy coupling loop between the secondary side output end of the exciting transformer bank and the secondary side input end of the series transformer bank, and the mode switching interface unit is arranged on a low-voltage electric energy coupling loop between the secondary side output end of the exciting transformer bank and the secondary side input end of the series transformer bank. And the current-limiting impedance of the secondary side is mapped to the primary side by the square times of the transformation ratio, so that on the premise of not increasing the volume and cost of the external current-limiting reactor, the self-protection and fault current suppression of the body are realized, and the organic unification of steady-state current regulation and transient current limiting is realized. The invention also discloses a virtual impedance identification-based adaptive protection method matched with the topological structure of the flexible loop closing device body.

The present application relates to the technical field of buffer of engineering vehicle, and particularly relates to a spider vehicle driving impact buffer device, characterized in that the structure comprises a supporting wheel system, a supporting wheel system adjusting assembly, a buffer assembly and a supporting installation steel structure, the supporting installation steel structure is fixed at the front end of a spider vehicle walking steel frame, a first hinge lug structure for connecting the supporting wheel system is arranged on the supporting installation steel structure, the supporting wheel system is movably connected with the first hinge lug structure, and is swung around the first hinge lug structure under the driving of the supporting wheel system adjusting assembly, the supporting wheel system adjusting assembly is installed at the bottom of the front end of a spider vehicle body supporting steel frame and is connected with the supporting wheel system through the buffer assembly. The supporting wheel system is controlled to be in contact with the top surface in advance through the supporting wheel system adjusting assembly, and is buffered through the buffer assembly to prevent the front end of the engineering vehicle from being crashed to the top surface, so that damage to the top surface is prevented, and a self-protection function is also achieved.

The invention belongs to the technical field of waste collection, and particularly discloses a large-breadth ground rail laser cutting machine which comprises a transverse electric sliding rail, a fixing plate is fixed to the lower portion of the transverse electric sliding rail, storage pipes are fixed to the bottom face of the fixing plate at equal intervals, the storage pipes are obliquely fixed to the bottom face of the fixing plate, and inserting pipes penetrate through the interiors of the storage pipes. And a rotating strip is rotationally arranged on the inserting pipe. A transverse electric sliding rail in the cutting machine can drive an inserting pipe on a storage pipe through a fixing plate to stir waste residues on a cutting table, then the waste residues are separated from the cutting table, a rotating strip is connected to the inserting pipe in a rotating mode, and a connecting spring is fixed between the rotating strip and the inner wall of the inserting pipe; and when the inserting pipe is used for stirring waste residues on the cutting table, the rotating strip can rotate by taking the connecting part of the rotating strip and the inserting pipe as the center, so that the rotating strip has a buffering space, and the rotating strip has a self-protection function.

The invention discloses a corrosion-resistant aluminum alloy plate for a battery and a preparation process of the corrosion-resistant aluminum alloy plate, and belongs to the technical field of aluminum alloy processing. The corrosion-resistant aluminum alloy plate for the battery comprises a corrosion-resistant layer, a bearing layer and a protective layer which are sequentially stacked, the anti-corrosion layer comprises the following components in percentage by weight: 1 to 3 percent of Si, 0.2 to 1 percent of Mg, 0.05 to 0.2 percent of Fe, 0.01 to 0.2 percent of Cu and the balance of Al and inevitable impurities; the bearing layer comprises 0.08 wt%-0.25 wt% of Sc, 0.01 wt%-0.1 wt% of Zr, 0.2 wt%-1 wt% of Si, 0.1 wt%-0.5 wt% of Mn and the balance Al and inevitable impurities. And the protective layer comprises the following components in percentage by weight: 4 to 8 percent of Zn, 0.006 to 0.02 percent of Ga, 0.05 to 0.5 percent of Mg, 0.01 to 0.1 percent of Ti and the balance of Al and inevitable impurities. By adding Sc and Ga, an Al3Sc nanophase and a compact Ga2O3-Al2O3 composite oxide film are formed, the grain boundary corrosion potential is improved, local galvanic corrosion is inhibited, in addition, through a three-layer alloy structure, the functions of corrosion resistance, strong support and self protection are achieved, and the service life of the battery is prolonged.

The invention discloses fireproof intelligent monitoring equipment, relates to the technical field of fireproof monitoring, and aims to solve the problem that the existing fireproof intelligent monitoring equipment cannot perform self-protection in a near-ignition fire so as to lose the fire monitoring capability, the fireproof intelligent monitoring equipment comprises a monitoring probe, the monitoring probe is provided with an infrared lens and a white light lens, and the infrared lens and the white light lens are arranged on the monitoring probe. And a console is arranged below the monitoring probe. The fireproof intelligent monitoring equipment disclosed by the invention has the advantages that after the device detects a near-ignition fire behavior and gives an alarm through networking, key equipment for observation and monitoring on the device is isolated and protected, so that the equipment is isolated from the spreading fire behavior; meanwhile, it is guaranteed that equipment in the fire cannot be spontaneously combusted and damaged due to the too high environment temperature, after the live wire passes through the device, the equipment in the device can normally operate and continue to monitor the fire, and therefore real-time fire information is provided for firefighters, and the effect of assisting in improving the coping capacity of the firefighters is achieved.

The utility model discloses an automatic monitoring and alarming device for cooling protection of a glass kiln, and relates to the technical field of glass kiln monitoring. The device comprises a kiln, a heat dissipation groove is formed in the kiln, a cooling mechanism is arranged on the side face of the kiln, and a detection mechanism is arranged on the side face of the kiln. The cooling mechanism comprises an air inlet pipe and an exhaust pipe, a blocking block is arranged in the air inlet pipe, a guide groove is formed in the side face of the blocking block, and a clamping block is arranged on the side face of the guide groove. The internal temperature of the kiln can be monitored in real time through the arranged detection mechanism, when the arranged detection mechanism detects that the temperature is high, the arranged detection mechanism can be triggered to conduct self-protection, and the synchronously arranged cooling mechanism can convey cooling airflow to the interior of the heat dissipation groove to conduct cooling operation; and the arranged cooling mechanism can conduct communication operation on the air inlet pipe by pressurizing cooling airflow when electric control fails, and the timeliness of temperature control in the kiln is guaranteed.

The application relates to the technical field of conductive connecting devices, and discloses a boltless fastening copper bar connecting conductive device for a low-voltage distribution cabinet, which comprises a low-voltage distribution cabinet, a line one and a line two are arranged in the low-voltage distribution cabinet, a fixed shell is fixedly installed in the low-voltage distribution cabinet, and a conductive mechanism and a triggering mechanism are arranged in the fixed shell. In the application, an elastic pressure connection mechanism of a guide column and a positioning spring is adopted, under the continuous and uniform elastic force of the spring, the two ends of the copper bar and the line one and the line two always keep close and stable surface contact, the connection reliability under long-term operation is enhanced, the enhanced magnetic field generated by the fault current itself is directly used as a triggering signal, the contact surface can be instantaneously forced to separate, the circuit can be rapidly and reliably disconnected, the built-in self-protection mechanism reduces the dependence on external independent circuit breakers, shortens the duration of the fault current, and protects the rear-end equipment.

The utility model discloses a crack self-inspection alarm protection system for a large cushion block of a cubic press, which relates to the technical field of artificial diamonds and comprises a signal acquisition module, an analog-to-digital conversion module, an industrial personal computer, an alarm device, a relay module and an actuating mechanism. The six tension sensors are used for monitoring tension changes of the root of the large cushion block in real time, instant detection of cracks is achieved, when abnormal conditions such as the cracks are detected, the system rapidly triggers the alarm device and the executing mechanism, equipment stops heating and releases pressure in time, blasting and wounding accidents caused by explosion of the large cushion block are avoided, and the safety of the large cushion block is guaranteed. Through continuous monitoring and data analysis, the system reduces the manual inspection cost, predicts the service life of equipment and potential fault points, and provides support for equipment maintenance and management. The alarm device and the relay module cooperate with each other, so that the reliability of the system and the self-protection capability of the equipment are enhanced.

The utility model discloses a control device for a fixed-length lifting system, which belongs to the technical field of profile production and is characterized in that an old fixed-length lifting control system is transformed by utilizing a Siemens 6RA80 direct-current speed regulating device under the existing condition; the system has the advantages of high cost performance ratio, stable performance, reliable operation, high adjustment precision, convenient parameter setting, complete self protection, low failure rate and the like, and completely meets the technological requirements of a rolling production line.

The invention discloses a multi-parameter intelligent joint control system for sulfur acid making boiler water and a corrosion defense method, the system comprises a data acquisition module, a data processing module, a control module, an execution module, a feedback module and a self-protection module, the data acquisition module comprises a distributed sensor array, the data acquisition module is used for acquiring multi-parameter data of boiler water in real time, the multi-parameter data comprises a PH value, a dissolved oxygen content, an ion concentration, a temperature, a pressure, a flow rate and an oxidation-reduction potential, and the data processing module is used for preprocessing the multi-parameter data acquired by the data acquisition module and predicting a corrosion risk. According to the method, data are collected in real time through the distributed sensor array, the corrosion risk is predicted through the corrosion risk prediction model, multi-target optimization control is conducted in combination with the reinforcement learning model, high-temperature protection, impurity filtering and closed-loop correction are integrated, real-time defense of boiler water corrosion is achieved, the maintenance cost is reduced, and the reliability and efficiency of the system are improved.

The application discloses a wind and light power generation device with a self-protection function, which comprises a base, a cylinder, a cabin and a power generation assembly, the lower end of the cylinder is connected with the base, the cabin is arranged at the upper end of the cylinder, a thin film type solar panel is arranged on the outer surface of the fan blade and / or the outer circumferential surface of the cylinder, the fan blade can be converted between an open position and a closed position, the fan blade can be used for wind power generation and / or solar power generation in the open position, and a plurality of the fan blades are arranged in a laminated mode in the closed position. The wind and light power generation device with the self-protection function has the advantages that the thin film type solar panel is arranged, wind energy and solar energy can be simultaneously utilized for power generation, the application range is wide, the stability is good, the power generation efficiency is higher, and in addition, the device can be self-protected by closing the fan blades when severe weather occurs, and the reliability of the device is high.

A computer-implemented system and method protect a robot in a hazardous environment. The method comprises detecting, with a hazardous environment detector, the presence of a hazardous gas within a bounded environment defining the boundaries of the hazardous environment, and detecting a wind flow speed and wind flow direction proximate the hazardous environment detector. The method further comprises determining a hazardous gas concentration (HGC) that is at least one of a present HGC and a predicted future HGC, and reading, from a database, a maximum HGC for at least one of the robot and a payload of the robot. Conditioned upon the HGC exceeding a threshold value of the maximum HGC, the method directs the robot to move to a safe location in which the HGC does not exceed the threshold value of the maximum HGC.

This invention discloses an artificial intelligence system with neuronal interconnection computation and consciousness structure judgment, belonging to the field of artificial intelligence technology. The system includes a hierarchical neuronal computation module, a neuronal interconnection computation module, a consciousness structure judgment module, a self-calibration module, and a self-protection module. It achieves efficient collaborative computation through dynamic neuronal interconnection, realizes the system's self-state and existence cognition through consciousness structure judgment, and enhances system stability and reliability through self-calibration and self-protection. This system can be combined with external dynamic neuronal expansion and hierarchical computation architecture to form a complete intelligent system, applicable to brain-like computing, autonomous intelligent agents, and general artificial intelligence systems, significantly improving the autonomy and safe operation capabilities of intelligent models.

The invention relates to the technical field of circuit protection, in particular to an output power supply self-protection and self-recovery detection circuit, a detection method and electronic equipment. Wherein the base electrode of the triode is connected with the sampling resistor and is used for sensing the current change, and the collector electrode of the triode is directly connected with the grid electrode of the main switching tube. When the output current exceeds a preset value, the voltage drop on the sampling resistor is enough to conduct the triode, so that the grid potential of the switching tube is quickly lowered, and the instant cutting-off and self-protection of a fault branch are realized; and after the fault is eliminated, the loop can automatically perform reverse operation, so that the circuit automatically recovers power supply. Therefore, branch faults can be effectively isolated, impact on a main power supply and other normal loops is avoided, and the stability and reliability of the whole power supply system are improved through the quick response and automatic recovery capability achieved through pure hardware.

The utility model provides an anti-dry-burning self-protection heating pipe, which relates to the technical field of heating pipes, and comprises a connecting seat, two heat insulation blocks fixedly arranged at the bottom of the connecting seat, heating pipes welded at the bottoms of the heat insulation blocks, and temperature measuring assemblies arranged at the bottoms of the heat insulation blocks, the temperature measuring assembly comprises a temperature controller, a temperature sensor, a water level sensor, an aluminum ring and an aluminum block; and the fixing assembly is arranged at the top of the connecting seat and comprises a mounting seat, an arc-shaped fixing plate and a threaded column. According to the temperature measuring assembly of the heating pipe, the temperature sensor can detect temperature changes in time, signals are transmitted to the temperature controller, the heating pipe can be powered off in time to be in a self-protection state, the heating pipe is fixed through the fixing assembly, the safety of the device is improved, a heating pipe guide rod is fixed, and it is ensured that the electric heating wire is located in the middle of the heating pipe; the heating is uniform, and the accurate detection of the dry-burning-resistant assembly is ensured.

The utility model relates to a rainbow slide way entertainment device, which comprises a slide way main body, a platform and a buffer area, the platform is connected to the starting section of the slide way main body, the buffer area is connected to the ending end of the slide way main body, at least one slide cabin is arranged on the platform, and the slide cabin is connected with the buffer area. The sliding cabin comprises a sliding cushion, an air bag arranged on the periphery of the sliding cushion in a surrounding mode, a seat and a protective cover, the seat and the protective cover are arranged on the sliding cushion, and the protective cover is of a U-shaped semi-surrounding structure with an opening and arranged on the periphery of the seat in a surrounding mode. By arranging the sliding cabin, a safer riding environment can be provided for passengers, the problem that the passengers fall down and fall off the slide ring due to incorrect sliding postures in the sliding process is effectively solved, and the sense of safety of the passengers is enhanced. Meanwhile, due to the semi-surrounding design of the protective cover, the opening of the visual field is guaranteed, the sliding state can be observed in time, and convenience is provided for self-protection and rescue of other people under the emergency situation.

The utility model discloses a water and soil conservation monitoring unmanned aerial vehicle with a protection function, and belongs to the technical field of unmanned aerial vehicles. Comprising a machine frame and a machine top cover, the machine top cover is installed at the top end of the machine frame, supporting columns are symmetrically installed on the side wall of the machine top cover, circular protection rings are installed at the ends, away from the machine top cover, of the supporting columns correspondingly, arc-shaped protection rings are arranged outside the circular protection rings correspondingly, and rotating protection rings are arranged inside the circular protection rings correspondingly; and a probe is installed at the center position of the bottom end of the rack, and servo motors are installed on the sides, close to the circular protection ring, of the supporting columns correspondingly. According to the unmanned aerial vehicle, multi-position self-protection of the unmanned aerial vehicle is achieved, the service life of the unmanned aerial vehicle is prolonged, the convenience of multi-directional protection of the unmanned aerial vehicle is improved, convenient and safe landing of the unmanned aerial vehicle is achieved, the shaking amplitude of the unmanned aerial vehicle is reduced, and the stability of safe landing of the unmanned aerial vehicle is improved.

The invention discloses a self-protection device for a vehicle cigarette lighter. The vehicle cigarette lighter is provided with a cigarette lighter jack; the self-protection device is provided with three-stage protection, and the three-stage protection is that a rotary protection cover is arranged on an insertion hole of a vehicle cigarette lighter; a nano hydrophobic anti-splashing layer is arranged on a panel on the periphery of an insertion hole of the vehicle cigarette lighter; the vehicle cigarette lighter is provided with an intelligent induction electrode and a corresponding electronic ignition locking mechanism. By adopting the technical scheme, the use safety of the vehicle cigarette lighter is improved, the vehicle cigarette lighter is reliably protected, short-circuit faults and overload faults caused by foreign matters and liquid are avoided, and injury accidents to human bodies are prevented.

The utility model belongs to the technical field of solar panel chargers, and relates to a solar panel charger shell buffer device which comprises a first shell and a second shell, the bottoms of the first shell and the second shell are connected with a connecting assembly, and elastic bands are fixed on the inner sides of the first shell and the second shell. And two clamping grooves are formed in the top of the first shell. According to the utility model, multiple functions of drop resistance, impact resistance, self protection, stable fixation, side buffering and the like are combined, so that the device can provide reliable protection in various outdoor environments, and when the device falls, due to the arrangement of the counterweight lead block, the device tends to fall downwards from one end of the counterweight lead block, so that the impact of the non-counterweight end is reduced, and the service life of the device is prolonged. And as the counterweight lead block can better absorb and disperse the impact force during landing, and the rubber block on the counterweight lead block provides an additional buffer layer, the damage of the impact to the interior of the device is further reduced.

The present invention discloses a shore power winch with a self-protection function, comprising a frame, a winding drum, a drive device, an elastic protection assembly, and a cable. The winding drum is rotatably mounted on the frame and comprises a first winding drum portion, a second winding drum portion, and a first notch. The drive device is used to drive the winding drum to rotate. The elastic protection assembly comprises a rotating frame and a reset member. The rotating frame is rotatably mounted on the second winding drum portion and is provided with a steering portion. The reset member is used to connect the rotating frame and the winding drum. The cable comprises a first wire segment and a second wire segment. The first wire segment is wound around the outer circumference of the first winding drum portion and is provided with a plug portion. The second wire segment comprises an elastic segment, a first steering segment, and an adapter segment. The first wire segment and the elastic segment are connected. The first steering segment is provided at the steering portion, and the adapter segment extends from the steering portion toward the first notch. By adopting the above solution, when the first wire segment is pulled, compensation can be achieved by the extension of the elastic segment.