88results about How to "Timely maintenance" patented technology

The utility model discloses a detachable supporting assembly for a giant circular ring. The detachable supporting assembly comprises a lining plate, a first supporting rod, a second supporting rod and an adapter plate. The plurality of lining plates are uniformly arranged in a circle along the inner wall of the ring and are fixed with the inner wall of the ring by spot welding, the adapter plate is located at the center of the ring, the length of the two first support rods is slightly smaller than the diameter of the ring, two ends are connected with the lining plates through bolts, and the middle is connected with the adapter plate through bolts; the second inner supporting rods are arranged in the radial direction, the outer ends of the second inner supporting rods are connected with the inner lining plate through bolts, and the inner ends of the second inner supporting rods are connected with the adapter plate through bolts. The inner supporting assembly is simple in structure and convenient to construct, on the premise that stable supporting is guaranteed, mounting and dismounting difficulty is lowered, mounting time is shortened, labor cost is saved, meanwhile, welding workload is reduced, worker fatigue and welding quality reduction caused by long-time welding are avoided, the inner supporting assembly can be positioned and corrected through bolts, and the production efficiency is improved. Compared with an all-welded structure, stress concentration can be effectively reduced.

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.

The invention relates to the field of modular charging, in particular to a modular charging mechanism for a power pack and a management method thereof, and the modular charging mechanism comprises a power supply placement table which provides placement space for a plurality of groups of power supplies and is arranged in an array manner; the modular mechanism is arranged on the outer side of the power supply placement table, is arranged corresponding to the power supply placement table, and is used for carrying out centralized modular charging on multiple groups of power supplies to realize synchronous or independent power supply; according to the modular charging mechanism for the power pack and the management method of the modular charging mechanism for the power pack, when abnormal high temperature occurs to the power supply, a melt is heated and melted to trigger a linkage mechanism, and a limiting plate is driven to be automatically stored through spring reset and gear transmission, so that the temperature of the power supply is lowered, and the reliability of charging is improved. And the power supply is quickly released from being clamped.

This application discloses a GIS high-voltage switch housing with a safety protection structure for use in the field of high-voltage switches. This switch housing, through the inclusion of a sealing protection mechanism, allows the mechanism to monitor the sealing performance of the main housing. If a problem occurs in the sealing performance of the main housing, leading to SF6 failure... 6 When a gas leak occurs, the trigger board will activate the leak detection switch, causing the alert control module to activate the alarm and alert the staff. This allows staff to detect the gas leak in a timely manner and prompts them to conduct appropriate inspections and maintenance. This provides a protective effect, reducing the impact of problems with the casing's sealing. Furthermore, through the installation of gas sensors and gas analysis modules, when the leak detection switch is triggered, the sealing protection mechanism will also perform a self-check on its internal sealing to prevent false alarms. This avoids misleading staff and greatly improves practicality.

This invention belongs to the field of space laser communication and deep space exploration technology, and discloses an integrated detection device for space laser communication monitoring and interaction. The device includes a main body, on which are integrated a solar panel, a navigation imaging device, a communication antenna, a communication receiver, a radar, a landing support, and functional components for communication monitoring, environmental perception, and interactive operation. This invention forms a closed-loop system through electrical, signal, and mechanical connections, enabling simultaneous execution of multiple tasks, significantly improving the device's space operation efficiency, reducing the load pressure on space launch vehicles, and adapting to the space constraints of on-orbit operations. The communication antenna and receiver achieve bidirectional signal interaction through a high-speed laser communication module and are linked with the navigation imaging device and environmental sensors to ensure stable transmission and status monitoring of laser communication signals, which is beneficial for practical applications and operations.

The invention discloses an AI-based power distribution cabinet fault area detection method and system, and relates to the field of power distribution cabinet detection. The method is applied to a power distribution cabinet monitoring system, and comprises the following steps: acquiring multi-modal monitoring data of a target power distribution cabinet, and generating an operation condition vector of the target power distribution cabinet; inputting the operation condition vector into a preset typical condition vector library for condition decomposition to obtain a plurality of sub-operation condition vectors; inputting the plurality of sub-operation condition vectors into a preset power distribution cabinet fault detection model to obtain fault information corresponding to the plurality of sub-operation condition vectors; inputting the plurality of pieces of fault information into a preset fault reasoning knowledge graph to obtain a plurality of fault paths; screening from the plurality of fault paths to obtain a plurality of target fault paths, and identifying starting nodes in the plurality of target fault paths; and starting nodes in the multiple target fault paths are output, and fault early warning is generated, so that maintenance personnel can be reminded of timely maintenance. The problem of low fault detection precision of a current power distribution cabinet is solved.

This invention discloses a transformer partial discharge separation algorithm based on a self-supervised network, comprising the following steps: acquiring and storing partial discharge signals of the transformer; extracting discharge waveforms using an outlier detection method; constructing a self-contrast dataset and a negative example dataset for pulse data; extracting signal spectral features using a supervised contrastive network and training the network's spectral feature extraction capability; finally, classifying the features using an iterative self-organizing clustering algorithm; setting initialization information in the iterative self-organizing clustering algorithm, clustering the feature data obtained in step five, and after classification, determining the discharge type of data in each category using expert knowledge to obtain the discharge type result; this invention, by classifying and calculating discharge signals, can effectively calculate the discharge quantity and total discharge of different discharge faults, realizing the functions of transformer operating condition monitoring and fault early warning, and effectively protecting the safety of the transformer.

The utility model relates to the technical field of power equipment, in particular to a high-voltage power equipment grounding device, which comprises a device body, a grounding rod, a protection assembly and an alarm assembly are arranged in the device body, a conical head is arranged at the lower end of the grounding rod, a grip is arranged at the upper end of the grounding rod, and a mounting seat is arranged on the grip. The protection assembly is arranged on the outer side of the grounding rod in a sleeving mode, the alarm assembly is arranged on the protection assembly, the protection assembly comprises a first sleeve shell and a second sleeve shell, the side face of the first sleeve shell and the side face of the second sleeve shell are provided with a rotating base and an inserting shaft respectively, and the alarm assembly comprises a voltage detector. The voltage detector is respectively connected with a flash lamp and a loudspeaker, so that the external wrapping protection operation of the grounding rod can be realized, the wrapping structure can be flexibly disassembled and assembled, the regular overhaul and maintenance of the grounding rod can be facilitated, the circuit alarm operation in the equipment can be realized, and a worker can be effectively reminded to check and overhaul in time.

This invention discloses a ladle bottom with a partition wall structure for steel or iron ladles, comprising a permanent layer and a working layer sequentially cast into the bottom. A partition wall is provided between the permanent and working layers, dividing the bottom into multiple independent areas. The lower part of the partition wall is embedded in the permanent layer, and the upper part is embedded in the working layer. Bottom-blown permeable bricks are also provided on the bottom, placed within the corresponding independent areas. This invention reduces destructive operations on the entire ladle bottom, reduces refractory material consumption and operation time, and also helps improve the integrity of the furnace lining structure. It can reduce the amount of furnace bottom castable, increase construction speed, improve the safety of steel or iron ladle operation, and reduce the occurrence of accidents.

The invention provides a lithium battery residual life prediction method and system based on data space position analysis, and the method comprises the steps: building a battery residual life space prediction model based on a convex polytope mechanism according to the basic measurement physical quantity of a lithium battery and the health condition parameter of the battery; determining the shortest length of the online trend as a spatial trend constraint according to the battery health condition parameter of the lithium battery; extracting spatial trend characteristics based on the characteristic parameters of the online operation data of the lithium battery to be detected, and determining a spatial trend straight line by combining spatial trend constraints; and determining a residual service life prediction value corresponding to the space trend characteristics of the lithium battery to be detected by integrating the battery residual service life space prediction model. By adopting the scheme, the defects of complicated operation and insufficient prediction result precision in the prior art can be overcome, and a battery residual life prediction result with high physical significance and high interpretability can be efficiently obtained.

The application belongs to the technical field of lifting devices, and particularly relates to a forklift lifting device, a forklift and a detection method. The forklift lifting device comprises a fixed frame, a movable frame, a first chain assembly, a second chain assembly, a first pulley, a second pulley, a first connecting column, a second connecting column and a movable column. The first chain assembly and the second chain assembly drive the first pulley and the second pulley to rotate respectively. When the first pulley and the second pulley rotate at different speeds, the movable column exposes an indication area between the first connecting column and the second connecting column, reflecting that there is a difference in tightness between the first chain assembly and the second chain assembly. The first connecting column and the second connecting column are connected to the first pulley and the second pulley respectively, and the movable column moves relative to the first connecting column and the second connecting column, so that the difference in tightness between the first chain assembly and the second chain assembly can be accurately judged, and the first chain assembly and the second chain assembly can be timely maintained, thereby improving the safety of the forklift.

The application relates to a battery cell cover plate, a battery pack and a power utilization device, and belongs to the technical field of batteries. The application is provided with a counterbore at the connection position of a riveting piece and a pole, and a protection assembly is arranged on the counterbore; the protection assembly comprises a protection sheet base material and a ring-shaped rubber ring; the color of the rubber ring is contrasted with the cover plate main body to visually identify the falling-off state, and the protection sheet base material completely covers the connection interface of the riveting piece and the pole to form protection. The application can solve the problem of oxidation and corrosion of the pole, and improve the reliability of the battery cell and the convenience of maintenance.

The present application provides a kind of with horizontal self-detection function's stacker loading platform anti-falling device, it is related to stacker safety protection equipment technical field, the present application is by being set up floating guide wheel structure, and by connecting rod mechanism and anti-falling device linkage cooperation, while supporting state detection switch, when loading platform appears horizontal deviation, exceed limited levelness threshold value, loading platform diagonal guide wheel stress uneven, guide wheel connecting rod is translated displacement, by connecting rod mechanical linkage trigger anti-falling device pre-braking action, while detection switch real-time capture connecting rod abnormal state and output alarm signal.To effectively improve the technical problem of the big security risk of traditional anti-falling structure, such as unable to detect the levelness of loading platform, only passive overspeed protection, hidden fault cannot be identified in advance, no overspeed limiter side hanging fracture cannot stimulate safety anti-falling device, high acceleration operating condition loading platform and column exist impact guide wheel vulnerable etc.

The utility model discloses novel liquid chlorine vaporization equipment, which relates to the technical field of chemical equipment and comprises a sealed box body, a connecting pipe is arranged in the box body, the input end of the connecting pipe is connected with a liquid chlorine steel cylinder, and the output end of the connecting pipe is connected with a pressure buffer tank. A plurality of evenly-distributed bent pipes are fixedly connected to the front side face of the sealing box body, welding seams are arranged on the outer sides of the joints of the bent pipes and the sealing box body, the outer ends of the welding seams are surrounded by fixed bases, the outer side faces of the fixed bases are connected with sliding bases, and the fixed bases are connected with the sliding bases in a buckled mode. A sealing belt is arranged at the joint of the sliding base and the bent pipe, an electrochemical sensor is arranged at the top end of the fixed base, a switch and an absorption tank are arranged on the left side face of the sealing box body, and a central processing unit and an alarm are further arranged at the top end of the sealing box body. The maintenance efficiency and the use safety are improved, and the service life of equipment is prolonged.

The utility model provides a kind of pullable inspection window of screw machine, it relates to screw conveyor field, the pullable inspection window of this screw machine, including cylinder section, the outside fixed connection of cylinder section has mounting bracket, the outside fixed connection of cylinder section has observation window door, the top of observation window door is equipped with sealing groove, the inside of observation window door is equipped with first inclined surface groove, the outside fixed connection of first inclined surface groove has two butt plates, the side fixed connection of mounting bracket has first oil cylinder, the outside fixed connection of first oil cylinder has mounting sleeve, the pullable inspection window of this screw machine does not need operating personnel to be assisted with special tool to carry out tedious manual disassembly, it is greatly saved to open the time of inspection window, improves operating efficiency sealing groove in sealing mechanism and sealing plate cooperation, can effectively block material leakage and external impurities enter, the fitment of first inclined surface groove and second inclined surface groove increases sealing contact area, further enhances the tightness of sealing.

The invention discloses a fuse online monitoring method and system based on the Internet of Things. The system comprises a sensor module, a remote terminal module, a fuse state monitoring module, an electric power Internet of Things local server module, an intelligent terminal device / APP module, a background analysis system module, a LoRaWAN module and an Internet of Things cloud server. The method comprises the following steps: evaluating the condition of a fuse through a fuzzy set theory to obtain a qualitative weight, determining a quantitative weight by evaluating the influence of the fuse on the reliability of an overall system, then determining the priority of the fuse in online monitoring by adopting qualitative and quantitative standards, and detecting the fuse according to the priority; according to the invention, each fuse drop point in the regional power distribution network can be rapidly and accurately positioned, real-time on-line monitoring of the state of each fuse in the regional power distribution network is realized, and operation maintenance and equipment replacement of the fuses are guided.

The invention provides a permanent-magnet variable-frequency high-voltage synchronous motor, which comprises a shell, and is characterized in that a motor is mounted in the shell through a heat dissipation groove, and the heat dissipation groove is used for dissipating heat of the motor; a cushion block is mounted at the bottom of the shell; a plurality of cooling fins are installed outside the motor, the cooling fins are installed on the inner side wall of the cooling groove, and the cooling fins are arranged outside the motor at equal intervals. According to the equipment, the rotating shaft of the motor rotates to drive the equipment, the gap between the pressing plate and the rubber bag is an allowable play distance, and when the axial play distance of the rotating shaft of the motor is larger than the gap, the pressing plate moves along with the rotating shaft to extrude the rubber bag, so that hydraulic oil in the rubber bag is extruded into the hollow pipe; and the hydraulic oil pushes the piston block to move along the interior of the hollow pipe until the control switch is extruded to start the alarm to give an alarm, so that an overlarge displacement distance of the rotating shaft is reminded in time, an operator is convenient to overhaul in time, and motor damage caused by overlong displacement time is prevented.

The invention provides a civil air defense project protection quality monitoring method and device and a storage medium. The method comprises the steps of performing quality monitoring on a civil air defense project; the quality monitoring comprises the steps of collecting real-time operation test data of engineering equipment of the civil air defense engineering, and performing quality monitoring on the civil air defense engineering according to the real-time operation test data to obtain an engineering protection quality monitoring result; if the project protection quality monitoring result shows that the protection quality is normal, historical operation test data of project equipment of the civil air defense project are acquired; according to the historical operation test data and the real-time operation test data of the engineering equipment of the civil air defense project, obtaining the quality abnormity prediction time of the engineering equipment; acquiring a next engineering protection quality monitoring date according to the quality abnormity prediction time and a preset monitoring period; and performing quality monitoring on the civil air defense project according to the next project protection quality monitoring date. The accuracy and timeliness of civil air defense project protection quality monitoring can be improved.

This disclosure relates to the field of locomotive diesel engine equipment technology, and in particular to a method and apparatus for predicting the lifespan of rotating components of a diesel engine turbocharger. The method includes: obtaining a first remaining service life of the turbocharger rotating component calculated based on the turbine inlet temperature using a first formula; obtaining a second remaining service life of the turbocharger rotating component calculated based on the turbocharger speed using a second formula; obtaining a third remaining service life of the turbocharger rotating component calculated based on the turbocharger oil inlet pressure using a third formula; and obtaining the remaining service life of the turbocharger rotating component using a fourth formula. This method for predicting the lifespan of rotating components of a diesel engine turbocharger enables real-time prediction of the service life of the turbocharger rotating parts, allowing for timely maintenance and repair of the turbocharger, reducing the failure rate and impact of turbocharger rotating components, thereby improving the safety of the diesel engine and reducing operating costs.

This utility model provides an angle-adjustable powder coating device, relating to the technical field of powder coating equipment. It includes a powder coating machine, with an adjustment mechanism on one side. The adjustment mechanism includes a visible block, a rotating rod sleeved inside the visible block, and a locking block sleeved on the outer surface of the rotating rod. The locking block is fixedly connected to the rotating rod, and a locking block is sleeved inside the locking block, with the locking block and the locking block slidably connected. This utility model, by setting an adjustment mechanism, allows the spray gun of the powder coating machine to be adjusted in angle, thus enabling the powder coating machine to perform powder coating processing on hardware workpieces more comprehensively. The locking block and locking block, with the locking block engaging inside the locking block, ensure that the locking block remains stable after rotational adjustment, allowing the spray gun to be at a more appropriate angle for powder coating processing of specific positions on the workpiece.

The utility model discloses a hot -blast device and preheating equipment. Hot -blast device includes the shell, fan and heating assembly, and the inside of shell is equipped with the accommodation cavity, is provided with the air inlet and the air outlet that mutually interval on the shell, and the air inlet, accommodation cavity and air outlet communicate in proper order, heating assembly and fan all set up in accommodation cavity, under the action of fan, airflow enters accommodation cavity from the air inlet, and is discharged to the outside of shell from the air outlet after heating through heating assembly, hot -blast device still includes at least one handle assembly, and handle assembly is arranged in the shell, and can detachably connect external equipment. The utility model discloses handle assembly realizes the detachable connection of shell and external equipment, makes the dismounting process of hot -blast device more simple and quick, and saves maintenance and overhaul time and cost.

This application relates to a method, apparatus, equipment, and medium for identifying and locating leaks in public building restrooms. The method includes: extracting local time-frequency features from a two-dimensional feature matrix of a log-Melogram using a CNN feature extraction module and converting it into a one-dimensional time-series feature sequence; inputting this sequence into a Transformer encoder; capturing the global temporal dependencies of the one-dimensional time-series feature sequence through a multi-head self-attention sublayer; and processing this sequence through a feedforward neural network sublayer to determine a first output feature sequence; inputting this sequence into a Transformer decoder; modeling temporal causality through a masked multi-head self-attention sublayer; and refining the features by fusing global time-frequency features through a cross-attention sublayer to determine a second output feature sequence; and outputting a classification probability distribution by a Softmax layer; if the maximum classification probability is higher than a preset confidence threshold, then the category of the leaking device corresponding to the maximum classification probability is taken as the category of the leaking device in the restroom to be detected. This application enables early detection of leaks, preventing secondary problems caused by the expansion of leaks.

This invention discloses a hardware device and control method for automatic charging of robots, aiming to solve the technical problems of poor charging contact reliability, disconnect between software and hardware protection, and lack of authentication in existing technologies. The device includes a control unit (CMU), a contact quality detection sensor, and an independent hardware gate circuit. Furthermore, the device has a low-voltage wake-up function, actively outputting a small voltage supply when the robot's battery is depleted. The CMU is configured to perform a digital handshake for authentication and a contact quality check before main charging; main charging only starts after both are successful. The independent hardware gate circuit forcibly disconnects the main power switch when the CMU fails (e.g., fails to send a heartbeat signal). This invention significantly reduces the risk of charging-related safety accidents, improves charging connection stability, and avoids accidental charging of incompatible batteries through a dual-layer software and hardware protection closed loop.

The invention discloses a thermal breaking evaluation method and device of a high-voltage circuit breaker, terminal equipment and a storage medium, and belongs to the field of power transmission and transformation switch equipment, and the method comprises the steps: obtaining an arc simulation circuit and a simulation model of a to-be-tested high-voltage circuit breaker; performing electric arc simulation operation on the simulation model, and extracting electric arc voltage and electric arc current before current zero passage; according to the arc voltage and the arc current, arc conductivity is calculated, an arc time constant and an arc power dissipation coefficient are determined, simulation operation is carried out on the arc simulation circuit, and current data are obtained by increasing the transient recovery voltage rise rate in an arc simulation model; and after the current data is reduced to a preset current value within a preset time period and the current data starts to rise from the preset current value, recording a current transient recovery voltage rise rate as a thermal breaking upper limit of the high-voltage circuit breaker to be tested. The problem that an existing high-voltage circuit breaker has a large safety risk during operation can be solved.

The utility model belongs to the field of fluid control valve especially, it is modularization superposition valve that possesses intelligent pressure regulating function, aiming at the impurity in the existing medium entering the valve inside, can cause the wear and tear or block of internal component, influence valve life and the stability of system operation, at the same time, these valves are often not accurate enough to the regulation of medium pressure, need manual frequent intervention adjustment, and the efficiency is not high, present and propose the following scheme, it includes valve body, the front side fixed setting of valve body is provided with connecting frame, is provided with control box on connecting frame and is fixedly set up, the inside of control box is provided with controller and is set up with both sides and is provided with heat dissipation hole, intercepts the impurity in the medium, prevents the impurity from entering the valve body inside and causes the wear and tear or block, prolongs the service life of valve body and related components, can real -time, accurately monitor medium pressure, and signal transmission is given to controller, and controller is according to preset program control motor operation, realizes the intelligent regulation to medium pressure.

The invention discloses a rolling mill state diagnosis method, system and device of a flat rolling mill and a medium, and relates to the technical field of hot rolling, the method comprises the steps that the rolling mill is controlled to conduct forward running at a first preset speed, and under the condition that the pressure of the rolling mill reaches a first preset rolling force interval and is maintained for first preset time, the rolling mill is controlled to conduct forward running at a second preset speed; forward rolling force deviation data and the first elongation of a hydraulic cylinder in the rolling mill are obtained; controlling the rolling mill to reversely run at a first preset speed, and acquiring reverse rolling force deviation data and a second elongation amount of a hydraulic cylinder in the rolling mill under the condition that the pressure of the rolling mill reaches a preset rolling force interval and is maintained for a first preset time; based on the difference value of the forward rolling force deviation data and the reverse rolling force deviation data, the rolling force deviation variable quantity is determined; and determining a diagnosis result of the rolling mill based on the rolling force deviation variation, the first elongation and the second elongation.

The application discloses a ship lift bearing ship chamber on-line monitoring method and monitoring system, including the following contents: data monitoring, data acquisition, state evaluation and fault analysis; the health state of the equipment of the ship lift is evaluated according to the collected data; if the evaluation result is abnormal, a prewarning or alarm signal is sent according to the abnormal degree; when the alarm is monitored, the collected data is compared with the data in the data storage module, the alarm information is diagnosed and analyzed to generate the equipment fault maintenance decision; the application monitors the structure capacity and operation posture of the bearing ship chamber, and realizes real-time control of the structure performance index and equipment operation state of the bearing ship chamber, so that the bearing ship chamber is monitored; when the health state of the bearing ship chamber is in an abnormal state, the bearing ship chamber is adjusted and maintained in time; when the alarm signal is received, the monitoring data is compared with the data in the data storage module, the fault diagnosis is quickly obtained, and the maintenance decision is given.

The punching mechanism for stainless steel production comprises a bottom plate, the middle end of the top of the bottom plate is fixedly connected with a first frame, the top of the first frame is fixedly provided with a punching machine through bolts, and the bottom of the punching machine is fixedly connected with a second frame. An adjustable stamping die is fixedly connected to the inner side of the second frame through bolts, a mounting plate is fixedly connected to the outer side of the first frame, a motor is fixedly mounted on the outer side of the mounting plate through bolts, and a threaded rod is fixedly connected to the output end of the motor. The motor drives the threaded rod to drive the movable plate to slide along the sliding rod, so that the dust collection cover and the cleaning brush move synchronously, metal scraps on the surface of a punching plate can be cleaned in time after punching operation is completed, the scraps and dust are collected through a dust collection system composed of the dust collector and the bag-type dust collector, the manual cleaning frequency is effectively reduced, and the working efficiency is improved. And the working environment is kept clean.

This utility model relates to the technical field of transformer comprehensive testing instruments, and discloses a transformer comprehensive testing instrument with fault early warning function, comprising: a base, on the top of which the main body of the transformer comprehensive testing instrument is fixedly installed; a support mechanism, disposed on the top of the base, for supporting the transformer under test; and a fault early warning mechanism, disposed on the top of the support mechanism. This utility model, through the design of vibration sensors, temperature sensors, and smoke sensors, can monitor the transformer's vibration, temperature, and whether smoke is generated, respectively. Upon detecting an abnormality, the controller activates an alarm light, emitting a light signal to alert nearby personnel, thus achieving a fault early warning function. This facilitates timely maintenance by staff, reduces the probability of equipment damage, and increases safety during the testing process.