60results about How to "Ensure equipment security" patented technology

The invention discloses a spare power automatic switching method for an emergency power supply of a mining generator set, and the method comprises the steps: starting one or more generator sets after two paths of commercial power fail and lose power, controlling breakers of an I-section commercial power incoming cabinet and an II-section commercial power incoming cabinet to be switched off at the same time, and then automatically transmitting a switching-off signal to a non-security load breaker cabinet of an I-section bus; the generator set is firstly switched on when an on-load condition is reached; the other generator sets are switched on synchronously in succession; after a section I commercial power incoming cabinet and a non-security load switch cabinet circuit breaker are confirmed to be switched off, a switching-on instruction is sent to a generator set access cabinet, after switching-on succeeds, power is automatically provided for a primary security load of a main ventilator, an auxiliary shaft elevator or a strong drainage pump, normal power supply of the security load is guaranteed under the condition that commercial power is abnormal, and the safety of the security load is guaranteed. And underground personal and equipment safety is guaranteed.

The utility model relates to the technical field of rolling mill shear blade replacement and maintenance auxiliary tools, and particularly discloses a shear blade movable taking and conveying device which comprises a hand-held frame and a backstop, a fixing plate is installed at the bottom of the hand-held frame, two fixing columns are installed on the fixing plate and inserted into a shear blade, and the end of each fixing column is fixedly connected with a backstop positioning block. A backstop is inserted into the backstop positioning block, and the backstop limits and blocks the shear blade; according to the device for moving, taking and conveying the shear blade, the designed handheld frame is matched with the backstop, the shear blade is fixed, the shear blade is prevented from being directly taken by hands, direct contact with the shear blade is avoided, taking and slipping are prevented, operation is convenient, safety and high efficiency are achieved, spare parts can be prevented from falling off, operation intensity can be lowered, and equipment and personal safety is guaranteed.

The utility model relates to the technical field of police communication equipment, in particular to a police affair communication back clip with a cleaning structure, which comprises a police affair communication back clip main body and a mobile phone assembly sleeve arranged on the police affair communication back clip main body, and a transmission cable connected with a mobile phone is arranged on the police affair communication back clip main body. The free end of the transmission cable is fixedly provided with an insulation end, the end of the transmission cable is fixedly provided with a plug penetrating out of the insulation end, the bottom of the mobile phone assembling sleeve is provided with a cleaning protection assembly used for cleaning the plug, and the cleaning protection assembly comprises a fixing box detachably installed on the bottom face of the mobile phone assembling sleeve. An insulation sleeve is detachably installed in the fixing box, the insulation end and the plug are both in plug-in fit with the insulation sleeve, outer wiping cotton penetrating out of the fixing box is fixedly installed on the bottom face of the insulation sleeve, and the outer wiping cotton is used for wiping and cleaning the surface of the plug. The socket has the functions of cleaning and protecting the plug part, and is not easy to damage.

This invention discloses a low-pressure casting and heat treatment process for high-strength and high-toughness aluminum alloy used in contact wire ratchet, belonging to the field of rail transit component manufacturing technology. The process uses AlSi7Mg0.3 alloy, obtaining high-purity aluminum liquid through two refining and modification treatments. In the low-pressure casting stage, a three-stage pressure control is adopted: the first stage is the liquid-raising stage, the second stage is the mold-filling stage, the third stage is the pressure-increasing and shrinkage-compensating stage, and finally, pressure holding and cooling are performed; followed by T6 heat treatment. This invention solves the casting problems of easy air entrapment in ratchet teeth and easy shrinkage porosity in the hub. The casting has a tensile strength ≥275MPa and a breaking load ≥94.5kN, meeting the requirements for a 2×10 contact wire ratchet. 5 Secondary fatigue load requirements.

The invention discloses a road roller autonomous operation path tracking control method, system and device and a storage medium. The method comprises the steps that the current position, posture, motion state and environment sensing data of a road roller are collected through a multi-sensor assembly; calculating a distance deviation and an angle deviation between the road roller and the preset path according to the preset operation path and the current position; based on the distance deviation and the angle deviation, a steering control instruction is generated through an algorithm combining feedforward control and PID feedback control; according to the residual operation path distance and the preset total operation time, generating a speed control instruction by adopting a trapezoidal speed planning algorithm; the steering control instruction and the speed control instruction are cooperatively adapted through a coordination control mechanism; the sensor data validity, the system operation state and the operation environment safety are monitored in real time, and safety protection measures are triggered when preset abnormal conditions are met. According to the invention, high-precision path tracking, forward and backward adaptive control, steering speed coordination and multi-layer safety guarantee can be realized.

This invention relates to the field of electricity metering box technology, specifically to an electricity metering box with a built-in detachable concentrator and its assembly method, comprising: a box body, and a cabinet door rotatably mounted on the box body, a guide rail provided inside the box body, and a concentrator slidably mounted on the guide rail; a fixing plate symmetrically arranged at the bottom of the box body, on which a push rod and a follower rod are slidably mounted, the follower rods being symmetrically distributed; a follower locking mechanism disposed on the concentrator and connected to the box body, the follower locking mechanism being able to drive the follower rod to move synchronously when the push rod moves, and locking the position of the concentrator inside the box body; and a rotation and translation mechanism disposed on the fixing plate, the rotation and translation mechanism being provided with a limit component, the concentrator being installed in a safe and orderly manner by locking the position of the concentrator through the follower locking mechanism and locking the push rod and follower rod through the limit component.

The utility model relates to a multi-communication-interface programmable controller for improving communication, which comprises a bottom plate, a controller chip is fixedly mounted on the front surface of the bottom plate, a shell is placed on the front surface of the bottom plate, and heat dissipation pieces are arranged on the bottom plate and the shell; the heat dissipation piece comprises a supporting block, one end of the supporting block is fixedly connected with the inner side wall of the shell, and a heat dissipation fan is inserted into the inner side of the supporting block. According to the multi-communication-interface programmable controller capable of improving communication, the cooling fan fixed on the supporting block is matched with the cooling holes to form a cooling channel, heat generated by the controller chip can be continuously blown away, air outside the shell can be guided into the shell through the ventilation holes in the shell under the condition of negative pressure, and therefore the communication efficiency is improved. And the radiating fins which abut against the controller chip can continuously take away the heat of the controller chip, and the heat is blown by the radiating fan to dissipate heat, so that the radiating effect on the controller chip is improved, and the service life of the whole programmable controller is prolonged.

The utility model relates to the technical field of boiler water supply, in particular to a boiler water supply pressure stabilizing device which comprises a fixing seat and a boiler water supply pump, a carbon steel pressure stabilizing tank is fixedly connected to the inner wall face of the fixing seat, and a water inlet pipe is fixedly installed on the upper portion of the outer surface of the boiler water supply pump in a penetrating mode. An input pipe is fixedly installed in the middle of the right end of the boiler water feeding pump in a penetrating mode, the right end of the input pipe is fixedly connected with the lower portion of the left end of the carbon steel surge tank in a penetrating mode, a check valve is movably installed on the right portion of the outer surface of the input pipe in a penetrating mode, and a water feeding pressure stabilizing set is fixedly connected to the middle of the inner wall face of the carbon steel surge tank. According to the boiler water supply pressure stabilizing device, the carbon steel pressure stabilizing tank and the water supply pressure stabilizing set inside the carbon steel pressure stabilizing tank are arranged, water flow entering the device is buffered and adjusted in a multiple mode, the water flow is decelerated and dispersed in sequence, the flow direction of the water flow is changed, the water flow is more stable in the carbon steel pressure stabilizing tank, impact and fluctuation of the water flow are effectively reduced, and the service life of the water supply pressure stabilizing device is prolonged. Therefore, the pressure output to the boiler water supply pipe network is stabilized.

This invention relates to the field of nondestructive testing technology, and more particularly to a pulsed eddy current testing method for detecting the depth of blind holes in metals under lift-off disturbance conditions. The invention includes the following steps: S1: A conductor specimen without blind holes is tested using a pulsed eddy current tester, and the induced electromotive force output signal is used as a blank control group. This invention can be used for pulsed eddy current testing of the depth of blind holes in metals under lift-off disturbance conditions, breaking through the limitations of traditional methods on lift-off distance. It has strong adaptability to lift-off disturbances and can accurately detect within a large lift-off range. The detection accuracy is improved through characteristic curve conversion and standard curve comparison, and comprehensive defect information can be obtained. In practical applications, it plays an important role in industrial production quality control and equipment maintenance safety inspection, enabling rapid and accurate detection of blind hole depth, ensuring product quality and equipment safety, improving production efficiency, and reducing costs.

The invention discloses a roll bending cylinder replacement device and method for a hot continuous rolling production line, which is applied to the field of hot continuous rolling production lines, and comprises a support frame, a hanger plate and a connecting plate, the hanger plate is mounted on a rolling mill main frame, and the connecting plate is fixedly arranged on the hanger plate; one end of the cross beam is mounted on the support frame, and the other end of the cross beam is mounted on the connecting plate; the first rail trolley and the second rail trolley are both movably arranged on the cross beam and can slide in the extending direction of the cross beam; the first hoisting component is mounted on the first rail trolley and is used for hoisting the roll bending cylinder; the second hoisting component is mounted on the second rail trolley and is used for leveling the roll bending cylinder; and the driving part is alternatively arranged on the first rail trolley or the second rail trolley. According to the roller bending cylinder replacing device, the whole roller bending cylinder replacing process is more reasonable, the operation difficulty is effectively reduced, and the overhauling quality is guaranteed; the safety risk caused by replacing the bending roller cylinder by hoisting the carrying pole beam can be effectively eliminated, and the accident potential is eliminated.

The present application relates to a kind of coal mine mining roadway type coal seam gas fracturing device, belong to coal mine gas extraction and fracturing technical field;Including pump truck body, main machine and high-pressure pump are fixedly arranged on pump truck body, the output end of high-pressure pump is provided with the first fracturing pipe and the second fracturing pipe of mutual docking, the outer side of the end of first fracturing pipe and second fracturing pipe away from each other is fixedly sleeved with packer, inner sleeve for shunting is inserted into first fracturing pipe, inner sleeve extends to the inside of second fracturing pipe, and disturbance mechanism is arranged on the outside of first fracturing pipe and second fracturing pipe;Top extension mechanism is arranged on pump truck body, and the chassis of pump truck body is lowered by top extension mechanism;Support mechanism is also arranged on pump truck body, and the support mechanism includes four telescopic arms, and the pump truck body is more stable by the unfolding of four telescopic arms;The problem that the existing roadway type fracturing device is poor in fracturing effect and lacks stability is solved.

The application relates to the technical field of vehicle engineering, and discloses a multifunctional environment monitoring and detecting vehicle, which comprises a vehicle body serving as a basic component and used for bearing a lower structure, a land walking structure arranged in the interior of the vehicle body and used for supporting the vehicle body to walk on land, an independent sampling structure arranged at the bottom of the vehicle body and used for collecting soil samples and water samples in the environment, an environment detecting assembly arranged around the outer wall of the vehicle body and used for recording and monitoring the environment, and a water walking auxiliary assembly arranged at the tail of the vehicle body and used for assisting the vehicle body to walk on water. The four function modules of land walking, water walking assistance, independent sampling and environment detection are integrated into one, so that the equipment can simultaneously perform mobile monitoring and fixed-point sampling. During the driving process of the vehicle, the panoramic camera and the environment parameter sensor can continuously and timely monitor and record the water, soil and air along the way; when an abnormality is found or fixed-point analysis is needed, samples can be immediately collected.

This utility model discloses a wire rope tension adjustment device for a threading trolley, relating to the technical field of copper alloy strip production equipment. It aims to solve the problem of uneven wire rope tension in existing threading trolleys, which leads to wire rope breakage and threatens personal and equipment safety. The technical solution involves two sets of guide wheels rotatably connected to a support base. A tension wheel is connected to the support base via an adjustment component, positioned between the two sets of guide wheels. Under the action of the adjustment component, the tension wheel moves closer to or further away from the guide wheels, thus adjusting the wire rope tension. The overall structure is based on the support base, with the adjustment component and guide wheels rigidly connected, capable of withstanding large tension loads and suitable for high-intensity working conditions during the threading trolley traction process. The guide wheels are also equipped with anti-derailment components to prevent the wire rope from detaching. The improved tension uniformity avoids risks such as threading trolley derailment and wire rope breakage, ensuring personal and equipment safety.

The utility model discloses an electric hoist crane maintenance mobile folding platform for a lithium battery cathode coating material, which comprises two oppositely arranged large frames, universal wheels are arranged at four corners of the bottom of each large frame, and the end parts of the two large frames are connected with a folding small frame and a ladder frame in a folding manner. The small folding frames are connected with the ladder frame in a foldable mode, ladders are distributed in the ladder frame at intervals, the folding platform is connected with one large frame in a foldable mode, the large folding guardrail is installed on one side of the top of the folding platform in a foldable mode, and the small folding guardrails are installed at the two ends of the large folding guardrail in a foldable mode. A lifting lead screw and a lifting support are installed at the top of the folding platform, and lifting platforms are installed at the top ends of the lifting lead screw and the lifting support. Personal and equipment safety is guaranteed, efficiency is high, time and labor are saved, maintenance personnel can stand conveniently, electric hoist hanging accessories can be placed conveniently, disassembly and maintenance are convenient, and the electric hoist hanging tool is suitable for operation in different places.

The utility model discloses a winnowing impurity-removing device in the field of winnowing impurity-removing, which comprises a sorting assembly, the sorting assembly comprises a sorting box, a sorting plate and a stone baffle plate, an air inlet is defined by the upper side edge of the sorting plate and the upper opening edge of the sorting box, a magnet is arranged on the sorting box, an air outlet and an impurity outlet are arranged on the sorting plate, and the stone baffle plate is arranged on the sorting box. The stone baffle plate is arranged below the impurity outlet and is perpendicular to the sorting plate; the driving assembly is used for driving the sorting plate to rotate relative to the sorting box to make the sorting plate contact or leave the magnet; and the conveying assembly is used for conveying the fallen iron impurities and heavy impurities to the impurity discharging assembly. According to the utility model, iron impurities and heavy impurities in materials can be removed, and the quality of the materials and the safety of equipment are ensured.

The invention relates to the technical field of nondestructive testing, in particular to a pulsed eddy current testing method suitable for the depth of a metal blind hole under the lift-off disturbance condition. The method comprises the following steps: S1, detecting a conductor test piece without a blind hole by adopting a pulsed eddy current detector to obtain an induced electromotive force output signal # imgabs0 # as a blank control group; the method can be used for pulsed eddy current detection of the depth of the metal blind hole under the lift-off disturbance condition, breaks through the limitation of a traditional method on the lift-off distance, is high in lift-off disturbance adaptability, can accurately detect in a large lift-off range, improves the detection precision through characteristic curve conversion and standard curve comparison, can obtain comprehensive defect information, and is suitable for popularization and application. In practical application, the method plays an important role in industrial production quality control, equipment maintenance safety detection and the like, the depth of the blind hole can be rapidly and accurately detected, the product quality and the equipment safety are guaranteed, the production efficiency is improved, and the cost is reduced.

This application provides a multi-level pulse timing adaptive suppression method for agricultural machinery chassis domain controllers, comprising: acquiring the current heat integral count value and the measured temperature rise of the motor in the multi-level pulse timing; when a rheological unloading event is triggered and the measured temperature rise of the motor does not reach the rated temperature rise limit, identifying and deducting the erroneous accumulation part caused by the current rheological unloading event in the current heat integral count value to obtain a reset heat integral value; updating the state of the heat integral protection module by resetting the heat integral value, adjusting the motor drive control parameters, and determining the complete release condition of the next level drive pulse; transmitting the corresponding pulse control signal to the actuator of the agricultural machinery walking drive motor according to the complete release condition, and collecting the actual torque response data fed back by the motor actuator; judging whether the drive torque continuity is maintained based on the actual torque response data; if it is not maintained, returning to adjust the control parameters and release condition; if it is maintained, generating a qualified judgment result.

The invention provides an air compression station intelligent regulation and control method and system based on an industrial cloud platform and an artificial intelligence technology, and the method comprises the steps: collecting compressed air flow data of a user side, and predicting a gas consumption behavior type and a gas flow prediction interval of a future dominant gas consumption behavior through a constructed behavior recognition model and an interval regression model; according to the gas consumption behavior type, screening out a corresponding candidate strategy performance combination set from a preset strategy library; based on the gas consumption behavior type, performing dynamic weighted evaluation on candidate strategy performance combinations of the candidate strategy performance combination set to obtain a corrected comprehensive score for strategy sorting so as to select an optimal strategy combination of the current working condition and a corresponding optimal performance result tetrad; and the optimal strategy combination of the current working condition and the corresponding optimal performance result tetrad are converted into a specific control instruction, timing sequence buffer parameters are added to the specific control instruction, then the specific control instruction is issued to a field controller, and the air compression station is regulated and controlled. The energy efficiency utilization rate and the system stability are remarkably improved.

The utility model relates to a magnetic cloth pad for preventing a steel coil from being hurt due to double-layer placement, which comprises a cloth pad, the cloth pad is arranged between the double-layer placement steel coil and on two sides of a steel coil binding belt, the cloth pad is of a three-layer composite structure, the upper layer and the lower layer are high-density textile cloth, the middle layer is a high-molecular polymer elastic pad, and the three-layer composite structure is sewn and connected through rubber threads. The utility model has the beneficial effects that the cloth pad adopts the three-layer structure composite cloth, the upper layer and the lower layer adopt the high-density textile cloth to improve the wear resistance of the cloth pad, and the high-molecular polymer elastic pad is additionally arranged in the middle to improve the elasticity of the cloth pad; the surface flatness of the steel coil is improved; the finished product quality of the steel coil is improved; the finished product rate of the steel coil is increased; and the economic value of the steel coil is increased.

The invention relates to an operation method of a connecting pin device capable of preventing movement and saving insertion and extraction labor, the operation method is completed through the connecting pin device, and the connecting pin device comprises an inlet side pin seat, an outlet side pin seat, a connecting pin, a tensioning pin, a connecting pin baffle and a seat baffle. The operation method comprises the following steps of (1) pin boss connection, (2) connecting pin limiting, (3) pin boss connection and fixation, (4) pin boss connection disconnection, (5) floor separation and (6) connecting pin reinstallation at the outlet limit position. The connecting pin has the beneficial effects that the connecting pin is prevented from moving back and forth and falling off in the axis direction, the connecting reliability of the outlet side pin seat and the inlet side pin seat is enhanced, the problem that the connecting pin cannot be inserted and pulled in a static state is solved, the workload of operators is reduced, the working efficiency of connecting and disassembling work is improved, and the working efficiency of roller replacement is improved; and smooth roller replacing work is guaranteed, and potential safety hazards of the roller replacing work are reduced.

The utility model discloses a rotor hoisting tool for motor maintenance, which comprises a hoisting beam, a hoisting ring is detachably arranged on the hoisting beam, the hoisting beam is movably connected with a cantilever, one end of the cantilever is provided with a clamping piece for clamping rotors with different shaft diameters, and the other end of the cantilever is provided with a lifting hook. The other end of the cantilever is provided with an adjusting piece used for adjusting the orientation of the cantilever and the rotor, and the adjusting piece is movably connected with the hanging beam. Only one hoisting point is arranged above the rotor, the hoisting point, the hoisting beam and the cantilever do not interfere with the operation of drawing and penetrating the rotor, and the position of the hoisting point can be adjusted according to the structure of the motor, so that the hoisting point is ensured to be on the central line of the rotor, the rotor is kept in a horizontal state after being hoisted, and the personal safety and the equipment safety of hoisting are ensured.

The application discloses a railway freight car damping system replacement set, and belongs to the technical field of railway freight car damping system maintenance equipment. The set is composed of a self-locking hydraulic pick, a supporting tool, a positioning pin, a wire tightener, a portable electric hydraulic pump, a lifting protection device and a pillow spring fork, and the components are detachably connected through the positioning pin and an oil pipe. The supporting tool is symmetrically designed and is provided with a protruding block, cooperates with the self-locking device of the self-locking hydraulic pick and the wire tightener, and can avoid pick collapse during the jacking process; the lifting protection device comprises a first lifting protection device and a second lifting protection device, and provides safety protection at the highest jacking position and the lowest falling position of the bolster end head, respectively. The set can simultaneously complete pillow spring replacement and side frame column wear plate replacement, and can be used for on-line maintenance without removing the car, solves the problems of single function, narrow adaptation range, low maintenance efficiency and great safety hidden danger of the existing equipment, and is suitable for various types of railway freight car bogies.

The invention discloses a fault identification method and system for an electric meter, and relates to the technical field of fault identification. Running information of the electricity meter is acquired through a sensor arranged in the electricity meter, and the data acquisition module sends the acquired electricity meter information to the server for storage; analyzing the ammeter operation information to obtain an ammeter operation evaluation value, and sending the ammeter operation evaluation value to a server for storage; the to-be-maintained electricity meters are obtained from the server and distributed to corresponding maintenance personnel, the maintenance personnel carry out maintenance according to the distributed to-be-maintained electricity meters, and maintenance information of the electricity meters is uploaded after maintenance is completed; through maintenance integral excitation and data analysis, the work performance of maintenance personnel is evaluated, the maintenance process is optimized, and a more reasonable maintenance plan is made, so that the efficiency and quality of maintenance work are improved, and the operation stability of power equipment and the overall management level of a power system are improved.

The utility model discloses a kind of online polishing equipment of upper pinch roll of gateway type coiler, including the mounting bracket integrated in the coiler rack, be located on the lifting mechanism of mounting bracket, with the polishing assembly of lifting mechanism connection, the transverse swing mechanism of driving polishing assembly, and be located between the guide pulley guide mechanism of lifting mechanism and mounting bracket.Lifting mechanism drives polishing assembly to lift to approach or away from upper pinch roll, transverse swing mechanism drives polishing assembly to reciprocate along roll shaft direction, guide pulley guide mechanism guarantees lifting stability.Through the cooperation of each mechanism, roller surface can be polished automatically under non-stop state, eliminate the security risk of manual polishing, improve polishing quality and efficiency, solve the problem of strip steel quality caused by not in time due to roller surface defect processing.

This invention discloses a laser cutting machine for precision workpiece machining, capable of automatically positioning the workpiece. It relates to the field of precision workpiece machining technology and includes a worktable and a positioning assembly. A support roller is rotatably connected to the center of the worktable, and a waste bin is located below the worktable. A three-axis slide module is installed at the rear of the worktable, and the output end of the three-axis slide module is connected to a laser cutting head. During positioning, the drive motor first drives the two slide blocks to move synchronously towards each other via positive and negative threaded screws. A buffer spring pushes the roller frame and its rollers to contact the workpiece. The buffer spring, with its low elastic coefficient, ensures a gentle contact force. After initial positioning, the slide blocks continue to move, compressing the buffer spring. The drive slotted plate, through rollers, drives the positioning seat and positioning plate to complete the final rigid clamping. This process of first guiding and then locking can complete high-precision automatic centering within seconds, resulting in high positioning accuracy.

The utility model discloses a computer support for a mobile locomotive, which comprises a working platform on which a computer is placed; the bottoms of the two telescopic rods arranged in parallel are connected with the upper surface of the working platform through 90-degree self-locking hinges respectively, hooks are arranged on the tops of the telescopic rods respectively, and the hooks are connected to a locomotive cabinet door or other fixing supports in a hung mode.

The utility model discloses a submersible pump lifting device for a lithium battery cathode coating material, which comprises a propeller strut, fixed sleeves welded at the tops of two sides of the propeller strut, two ends of a drum shaft inserted in the fixed sleeves, a drum sleeved in the middle of the drum shaft, a rope wound on the drum, and wheel discs welded at two ends of the drum. A check gear is welded to one end of the winding drum shaft in a sleeved mode, a check locking piece is welded to the propeller strut and matched with the check gear, a crank is welded to one end of the winding drum shaft, and the outer end of the rope penetrates through the hanging wheel assembly to be connected with the submersible pump. The hanging wheel assembly comprises a U-shaped groove, an opening of the U-shaped groove is detachably connected with an anti-falling bolt and an anti-falling nut, two clamping plates are welded to one side of the U-shaped groove at intervals, and a fixed pulley is connected between the two clamping plates. The submersible pump lifting device guarantees personal and equipment safety, is high in efficiency, saves time and labor, and is suitable for placing or lifting the submersible pump.

This application relates to an irradiation testing system for nuclear power robots. The system includes an irradiation source, at least one irradiation platform, a testing device, and a central control device. The irradiation platform carries the component under test and is positioned close to the irradiation source. The testing device is connected to both the component under test and the central control device via wiring to collect electrical parameters of the component under test during irradiation. The central control device analyzes the radiation resistance of the component under test based on these electrical parameters. A first isolation component is provided between the testing device and the irradiation source. A second isolation component is provided between the central control device and the irradiation source. By collecting the electrical parameters of the component under test in real time during irradiation through the testing device and analyzing them through the central control device, online dynamic monitoring and accurate determination of the radiation resistance of the nuclear power robot are achieved, thereby improving testing accuracy.

This invention belongs to the field of intelligent speed ratio control technology, specifically relating to an intelligent speed ratio control method for seabed probe penetration, comprising the following steps: real-time acquisition of multi-dimensional detection data during the probe's descent and penetration; calculation of the real-time speed ratio based on the multi-dimensional detection data, and real-time identification of four types of strata—soft clay, hard clay, loose sand, and dense sand—in conjunction with formation response parameters; dynamic adjustment of PID parameters through a fuzzy PID controller based on the deviation between the real-time speed ratio and the target speed ratio and its rate of change, outputting the penetration rate adjustment amount, and real-time correction of the target speed ratio according to pore water pressure; closed-loop execution of rate adjustment, cyclically implementing intelligent decision-making until penetration is completed. This invention effectively improves the continuity and reliability of exploration operations under complex deep-sea geological conditions, can adaptively adjust penetration parameters, and significantly shortens the single-hole penetration operation time while ensuring data quality and equipment safety, thereby improving the overall efficiency of offshore exploration operations.

The utility model discloses an electric hoist motor replacing device for a lithium battery cathode coating material, which comprises a pulley main body, the pulley main body comprises two S-shaped channel steels in mirror image distribution, the tops of the two S-shaped channel steels are fixedly connected, the two S-shaped channel steels form a rectangular cavity, a track wheel shaft is welded on the inner wall of each S-shaped channel steel, and a track wheel is sleeved on each track wheel shaft; two vertical supports are welded to the two ends of the top of the tackle body respectively, small cross beams are welded to the vertical supports respectively, the inner ends of every two adjacent small cross beams are detachably connected, fixed pulleys are fixed to the outer ends of the small cross beams respectively, and lifting lugs are arranged on one set of opposite small cross beams. The utility model ensures the personal and equipment safety, has high efficiency, saves time and labor, and is suitable for the overall replacement of the electric hoist and the replacement of the motor and the speed reducer.