3250results about "Switchgear" patented technology

The invention discloses a power distribution cabinet visual intelligent monitoring system and method, computing equipment and a storage medium, and belongs to the technical field of power system equipment monitoring, the system comprises a data acquisition module, edge computing equipment, a user-defined visual interface and a cloud platform, and the modules are in communication connection through a low-power wide area network; the data acquisition module is used for acquiring running state data and environment data of the power distribution cabinet in real time; the edge computing device is used for preprocessing the collected data and evaluating the quality of the power grid, and uploading the preprocessed data to the cloud platform; and the cloud platform is used for training a deep neural network model by using historical data based on a distributed computing framework, performing anomaly detection and fault prediction on real-time data based on the trained model, triggering early warning according to a detection result, and displaying a real-time data stream view and anomaly labeling information in a self-defined visual interface. According to the scheme, the power distribution cabinet anomaly detection accuracy and the information display flexibility can be improved.

The invention discloses a substation autonomous inspection and foreign matter cleaning cooperative control system and method, and belongs to the technical field of intelligent inspection and foreign matter cleaning. The system comprises a multi-modal detection module used for acquiring images, point clouds and multi-source sensing data and identifying foreign matter coordinates and visual features; the space positioning module is used for executing space registration to obtain a three-dimensional coordinate of the foreign body; the risk decision module fuses the multi-dimensional information and evaluates the foreign matter risk level; the cleaning execution module generates a cleaning path and execution parameters and issues the cleaning path and the execution parameters; and the inspection execution module plans inspection paths and actions based on the state and constraint conditions, and completes subsequent equipment inspection tasks. According to the scheme, the system realizes clear division of labor and accurate control in multiple stages of foreign matter identification, space positioning, risk assessment, cleaning instruction generation, polling after cleaning and the like, and the expansibility and the overall response efficiency of the system are improved, so that efficient, safe and stable execution of autonomous polling and foreign matter cleaning tasks of the transformer substation is guaranteed.

The invention provides a photovoltaic power station operation state monitoring method based on unmanned aerial vehicle inspection, and the method comprises the steps: carrying out the surveying and mapping of the geographic position, landform and photovoltaic array layout of a photovoltaic power station through employing a surveying and mapping technology and a geographic information system, so as to build a digital photovoltaic power station model; acquiring technical parameters of each component of the photovoltaic power station, and mapping the technical parameters to the digital photovoltaic power station model; based on a preset inspection plan and the digital photovoltaic power station model, automatically generating an unmanned aerial vehicle inspection path; obtaining monitoring data obtained by the unmanned aerial vehicle according to the unmanned aerial vehicle inspection path, wherein the monitoring data comprises an appearance image of a photovoltaic array, temperature distribution of a photovoltaic module and illumination intensity data of different areas of a photovoltaic power station; vectorizing the monitoring data to obtain an input vector; and the operation state monitoring model performs feature extraction on the input vector so as to analyze the operation state of the photovoltaic power station.

The invention discloses a power distribution cabinet maintenance system based on artificial intelligence, and belongs to the technical field of intelligent power distribution cabinet diagnosis. Normalization, time sequence feature extraction and denoising are carried out on the collected data, an electrical topological graph is automatically constructed, node states are vectorized, text semantics are coded by utilizing a BERT class model, and a maintenance knowledge graph is generated; through fusion of multi-source data, a multi-branch neural network is constructed, state perception and risk determination are realized, and a fault trend and structure degradation are identified. Calculating a potential fault risk coefficient, and triggering a structure health monitoring mechanism; analyzing the structural health based on a topological graph and a graph neural network, and starting semantic strategy retrieval when the structure is abnormal; comparing the semantic conformity between the state and the historical strategy, and assisting in generating a precise maintenance strategy; according to the system, dynamic monitoring, intelligent early warning and strategy recommendation of the operation state of the power distribution cabinet are realized, and the operation and maintenance efficiency and the equipment reliability are improved.

The invention discloses an electrical cabinet with strong anti-electromagnetic interference capability, and relates to the technical field of electrical cabinets, the electrical cabinet comprises a cabinet body and further comprises a protection device, a sealing door slidably penetrates through the right side of the cabinet body, a moving hole is formed in the front side of the sealing door, and a limiting hole is formed in the front side of the sealing door. The protection device comprises an operation hole, an operation rod, a T-shaped rod, a protection rod, an L-shaped plate, a filter, a reset spring and a protection disc, the sealing door moves to enable the limiting hole to be aligned with the T-shaped rod, and after the T-shaped rod is aligned with the limiting hole, the T-shaped rod moves in the direction away from the protection rod under the elastic force effect of the reset spring; the T-shaped rod moves in the direction away from the protection rod to make contact with the inner wall of the limiting hole and restore limiting of the sealing door, the sealing performance of the cabinet body is kept through the L-shaped plate, the influence of external electromagnetic interference can be prevented, the equipment failure rate is reduced, and therefore the usability of the whole system is improved.

The invention provides a multifunctional inspection device detection system based on a distribution network mobile operation terminal, and relates to the technical field of electric power detection, and the multifunctional inspection device detection system comprises a portable main terminal of a dynamic collaborative architecture, a wearable terminal for augmented reality interaction and a distributed heterogeneous sensing cluster, which form a closed-loop data chain through an electric power dedicated low-delay wireless communication network; the portable main terminal is integrated with a heterogeneous computing unit with adaptive computing power distribution, can perform real-time fusion analysis on multi-dimensional sensing data, and outputs a visual result containing fault location and confidence; the wearable terminal superposes fault information to a real scene in a three-dimensional marking form through a virtual-real fusion positioning technology, and supports eye movement and voice collaborative interaction; multi-module collaborative acquisition of the distributed heterogeneous sensing cluster is combined with a nanosecond timestamp synchronization mechanism, so that the limitation of traditional single parameter detection is broken through, rich and synchronous basic data is provided for subsequent analysis, and the comprehensiveness of routing inspection is greatly improved.

A control module adapted to be attached to a power adapter is described. The control module comprises a plurality of contact elements including a first contact element adapted to receive a line voltage and a second contact element adapted to receive a reference voltage; a first actuator extending from a housing of the control module and adapted to engage with a connector of a power adapter; a second actuator extending from the housing of the control module and adapted to engage with a tamper resistance element of a power adapter; a control circuit adapted to generate a signal; and a third contact element coupled to the control circuit; wherein the control circuit generates to the signal adapted to be routed to the power adapter by way of the third contact element to detect a change in a state of a switch of a power adapter.

The invention discloses a power distribution cabinet intelligent monitoring control system, and relates to the technical field of power distribution cabinet monitoring control. The system is used for monitoring and controlling the operation state of the power distribution cabinet in real time and comprises a plurality of sensor units, a data acquisition module, an intelligent analysis module and a control execution module, the sensor units are used for acquiring various operation parameters of the power distribution cabinet, the data acquisition module is used for collecting data of the sensor units, and the intelligent analysis module is used for analyzing the data of the sensor units. And the intelligent analysis module is used for analyzing data and identifying an abnormal state. Operation parameters of the power distribution cabinet are collected in real time through the sensor unit, the data collection module carries out primary processing and verification and then transmits the operation parameters to the intelligent analysis module, and the module identifies and analyzes the operation state and potential faults of the power distribution cabinet by utilizing historical operation data and current abnormal data and combining a sensor position relation and a dynamic adjustment coefficient. And a corresponding early warning strategy is selected according to the fault type, and related control operation is executed through the control execution module.

The invention discloses a power distribution cabinet cable monitoring method, system and device based on edge calculation, and relates to the technical field of power system monitoring and early warning, and the method comprises the steps: arranging a sensor in a power distribution cabinet, and collecting the displacement and deformation data of a cable; carrying out preprocessing and preliminary analysis on the collected data by utilizing edge computing equipment; the method comprises the following steps: determining whether cable displacement deformation is in an abnormal state or not according to a preset judgment condition through edge computing equipment, and uploading abnormal data to a cloud server if the cable displacement deformation is judged to be abnormal; and the cloud server receives the abnormal data and carries out deep analysis in combination with historical data. Through rapid processing of the edge computing device, once the cable is abnormal, the system can timely perceive and upload abnormal data, the real-time performance of monitoring is remarkably improved, it is ensured that the state change of the cable can be rapidly captured, meanwhile, a deep learning algorithm is introduced, more accurate anomaly detection is achieved, and the accuracy and reliability of early warning are improved.

The invention provides an electric power safety protection method and system for switch cabinet control, and relates to the technical field of electric power safety, and the method comprises the steps: arranging a vibration sensor, and collecting Q joint point vibration monitoring data sequences and P mechanical control point vibration monitoring data sequences; arranging an infrared thermal imager to collect an infrared temperature distribution diagram sequence; traversing the vibration monitoring data sequences of the Q joint points and the P mechanical control points to perform vibration anomaly analysis to obtain a first abnormal joint point set and a first abnormal mechanical control point set; abnormal temperature point identification is carried out according to the infrared temperature distribution diagram sequence, and an abnormal temperature point position set is obtained; and integrating all the abnormal positions to obtain an abnormal position point and sending the abnormal position point to a worker for safety detection. The technical problem that in the prior art, operation monitoring is carried out on the switch cabinet only from a single dimension, an abnormal position is difficult to locate accurately, and consequently the safety detection accuracy of the switch cabinet is insufficient is solved, and the safety protection efficiency and accuracy of the switch cabinet are improved.

The invention discloses a low-voltage power distribution anti-misoperation device which comprises an anti-reverse power transmission module, an anti-misoperation module, a power regulation anti-misoperation auxiliary module, an interaction control screen and a state logic switching module. The invention discloses a low-voltage power distribution anti-misoperation method and device, and the method and device can effectively eliminate the above problems through an anti-reverse power transmission module, an anti-misoperation module and a power adjustment anti-misoperation auxiliary module, have the functions of preventing reverse power transmission and preventing power failure of a user caused by manual operation, and have a locking function when a line does not meet a loop closing condition. On the basis that an original secondary loop is provided with three locks and two keys, three heat reverse connection points are added, the device keeps the original three-lock and two-key protection function of a power supply company, and the intelligent heat reverse loop closing operation function is achieved. Therefore, the five-prevention function under the condition that the electric operation cannot be realized due to the defects of the device or the electrical secondary circuit can be met.

The invention relates to the technical field of electric power system digitization, in particular to an automatic efficient modeling method and system for an electricity utilization inspection scene. The automatic efficient modeling method for the electricity utilization inspection scene comprises the four steps of multi-source data collection, dynamic semantic modeling, intelligent modeling decision making and augmented reality rendering, the electricity utilization inspection scene modeling system comprises a data collection module, an intelligent modeling engine, an augmented reality terminal and edge computing equipment, and data interaction is achieved among the modules through a gRPC protocol. According to the method, an L4-level multi-physical field model is generated through unmanned aerial vehicle cluster collaborative collection and multi-source data millisecond-level fusion in combination with a dynamic semantic network and reinforcement learning resource allocation; edge calculation and dynamic LOD rendering are adopted to realize equipment internal perspective and multi-user collaborative labeling, quality closed-loop verification is matched, the bottlenecks of low modeling efficiency, multi-physical field data missing, high interaction delay and the like in the prior art are overcome, and the overall efficiency is improved by 80%.

The invention discloses a multi-terminal collaborative modular power operation and maintenance method and system based on digital twinning, and the method comprises the following steps: constructing a global power topological graph of a power energy site, mapping power equipment, sensors and connecting lines into graph nodes and graph edges, and binding the static attributes of the equipment with the topological structure; and acquiring real-time operation data of the power equipment, and distributing a unified time label for the multi-source heterogeneous data. According to the method, a unified twinborn model of cross-voltage class, cross-region and cross-equipment type is established in a digital twinborn platform, and operation data of different equipment such as photovoltaic equipment, battery energy storage equipment, an inverter, a protection device, an electric energy meter and temperature control equipment are expressed in a unified data semantic mode; according to the invention, the system can still automatically establish a consistent device portrait under the conditions of a large number of multi-terminal devices and diversified communication protocols, and the multi-terminal cooperative computing capability is significantly improved.

The invention provides a GCB arc extinguish chamber disassembly maintenance tool system and a maintenance method thereof. The GCB arc extinguish chamber disassembly maintenance tool system comprises an arc extinguish chamber transfer tool, a static contact transfer tool, a service life measurement tool, a moving arc contact fixing tool, a moving arc contact supporting cover disassembly tool and a guide piston disassembly tool. The arc extinguish chamber transferring tool is used for integrally transferring a GCB arc extinguish chamber and transferring a moving contact module, the static contact transferring tool is used for transferring a static contact module, the service life measuring tool is used for measuring the height of a moving arc contact in the moving contact module, the moving arc contact fixing tool is used for installing and fixing a moving arc contact unit, and the moving contact fixing tool is used for installing and fixing the moving arc contact unit. The moving arc contact supporting cover dismounting tool is used for dismounting a supporting cover on a moving arc contact unit, and the guide piston dismounting tool is used for dismounting a guide piston after a moving arc contact is fixed. A set of maintenance tool is provided through the tool system, and a specific and practical maintenance method is combined, so that efficient, simple, convenient and reliable disassembly maintenance of the GCB arc extinguish chamber is realized.

The invention discloses an intelligent transformer substation tubular busbar lap joint drainage wire robot, and relates to the technical field of power equipment. Comprising a transverse block and a controller, movable grooves are formed in the two sides of the transverse block, inserting blocks are movably arranged in the movable grooves, movable supporting blocks are fixed to the ends of the inserting blocks, a driving piece is arranged between the two inserting blocks, and the two inserting blocks are driven by the driving piece to move towards each other or away from each other. The transmission assembly, the movable arm assembly, the wiring assembly and the clamping assembly are arranged, the robot is moved to a lap joint position through the transmission assembly, the wiring assembly and the clamping assembly are moved through the movable arm assembly, the wiring assembly is moved to one side of a bus to be installed, and finally the wiring assembly and the bus are fixed through the clamping assembly. The robot is suitable for working in a narrow space between two buses, and the installation process only needs to be intelligently controlled by constructors, so that the safety of lap joint of the tubular bus and the drainage wire of the transformer substation is improved.

The invention relates to the technical field of power distribution room inspection, in particular to an inspection control system based on a power distribution room inspection robot. Comprising a server, an inspection analysis module and an inspection control module, the inspection analysis module performs real-time monitoring and comprehensive analysis on each power distribution room, equipment in the power distribution room and the environment of the power distribution room to obtain a monitoring index value; generating a trend curve of monitoring index values along with time change through a time sequence analysis method, and performing graphic analysis on the curve to effectively judge the routing inspection priority of the power distribution room; the inspection control module carries out analysis according to the inspection value of each power distribution room and the historical maintenance record and historical inspection times of each inspection robot, and can comprehensively know the operation stability and inspection work efficiency of the inspection robot; according to the matching value of the inspection robot and the current task number, the tasks of the inspection robot can be updated in real time, load balance of each robot is ensured, and the high-risk inspection task of the distribution room is processed preferentially.

An arrangement for the assembly and wiring of electrical components in switchgear construction, the arrangement comprising a robot with an end effector designed as a gripper, a mounting plate holding device, with which a mounting plate is held in a mounting position with respect to the robot, and a component supply in the access area of the robot, via which components to be mounted on the mounting plate are provided for removal by the robot, wherein a controller of the robot has machine data for controlling the robot including position data for the arrangement of components on a mounting plane of a mounting plate to be equipped, wherein the robot has an optical imaging system which is adapted to detect an orientation of a mounting plate with respect to the robot, the controller of the robot being adapted to provide the position data with an offset representing the orientation of the mounting plate with respect to the robot as a function of the detected orientation. A corresponding method is further described.

The invention relates to the technical field of monitoring of low-voltage side circuit breakers, and discloses a monitoring and overhauling method of a 35kV box-type transformer low-voltage side circuit breaker, which comprises the following steps of: formulating a monitoring information sampling period according to acquired equipment parameter information; constructing a low-voltage side circuit breaker maintenance model based on the historical data of the low-voltage side circuit breaker; setting a monitoring node based on the monitoring information sampling period, and obtaining low-voltage side circuit breaker real-time data of the current monitoring node; and detecting the operation fault risk of the equipment through the low-voltage side circuit breaker maintenance model, and carrying out maintenance according to the detection result. According to the invention, intelligent monitoring and automatic control of the state of the circuit breaker are realized, more refined maintenance management can be realized through evaluation of the health state of equipment and detection of operation fault risks, optimization of resource allocation is facilitated, unnecessary maintenance activities are reduced, the maintenance cost is reduced, and the efficiency and effect of maintenance work are improved at the same time.

The invention discloses power distribution cabinet assembly equipment and an assembly process thereof, and relates to the technical field of power distribution cabinet assembly.The assembly process comprises the following steps that S1, a foundation is stabilized, specifically, the equipment is integrally moved to a proper position through universal wheels, the equipment is integrally stood on the ground through stabilizing pieces, and stability is ensured; according to the power distribution cabinet assembly equipment and the assembly technology thereof, the posture of the assembly equipment is adjusted through an adjusting piece, self-definition can be achieved according to the personal condition of a worker, S3, stable installation is achieved, a tightening piece is connected to the upper face of a power distribution board installation top frame, and in S2, the overall posture of the power distribution cabinet assembly equipment is adjusted by arranging a conversion unit. According to the power distribution cabinet assembling equipment, the height suitable for an installation worker can be adjusted according to the height of the installation worker, the purpose that each worker can adjust the height of the pitching angle and the overall height of the equipment according to the needs of the worker is achieved, and therefore the working efficiency can be improved when the power distribution cabinet assembling equipment is used for actually assembling a power distribution box.

The invention belongs to the technical field of cable installation, and particularly relates to an assembly type wire and cable installation device for a box-type substation, which comprises an electrical element body, an installation frame and a clamping structure, the installation frame is fixedly installed in the box-type substation, and the electrical element body is fixedly installed on the surface of the installation frame. The mounting frame is used for bearing a positioning mechanism, an electrical element body and a sliding rail, the sliding rail is arranged on the surface of the mounting frame, a fixing structure is arranged on the surface of the sliding rail, the positioning mechanism comprises a support, the support is in sliding connection with the surface of the sliding rail through the fixing structure, and the support is mounted on the surface of the sliding rail through the positioning mechanism. According to the utility model, the wire is fixed through the main roller and the auxiliary roller, so that the loosening of the wire caused by vibration is avoided, the possible virtual connection, heating and even fire are avoided, and meanwhile, a worker can be assisted in installation through positioning, so that the working intensity of the worker is greatly reduced, and the installation efficiency is improved.

The invention relates to the technical field of power equipment, in particular to a skid-mounted electric control integrated transformer substation and a wiring device and wiring method thereof, and the wiring device comprises a transfer box, plugs and / or sockets which are arranged in at least two skid blocks of the transformer substation respectively and are detachably mounted on the mounting walls of the transfer box; one end of the cable connected with the transfer box is connected with a terminal of the electrical element in the skid, and the other end of the cable is inserted into the plug and / or the socket; and the plug is plugged on the socket of the same transfer box or plugged on the socket of another transfer box and is used for connecting cables with different skid distances. According to the invention, safe wiring at different distances between the skid blocks can be realized through the transfer box, and the convenience of wiring between the skid blocks is improved.

The invention relates to the technical field of electrical cabinets, in particular to an electrical cabinet with an insulation protection structure. A pull rope is fixed to the inner side surface of a cabinet door, a supporting rod is movably arranged at the position, close to a port, of an electrical cabinet body, a rain shielding cloth is fixed to the outer surface of the supporting rod, a baffle is fixed to the outer surface, close to the inner side of the electrical cabinet body, of the supporting rod, a first spring is fixed to the side surface of the baffle, a stop block is fixed to the upper surface of the supporting plate, and a limiting plate is movably arranged on the outer surface of the stop block. The anti-splashing device has the advantages that when rainwater drips on the surface of the cabinet door close to the inner side and splashes, the rainwater drips on the inner side of the cabinet door can be blocked due to the fact that the rain shielding cloth is not completely rolled up, and the anti-splashing device is convenient to use. Therefore, the situation that rainwater drips on the side surface of the cabinet door and is splashed into the electrical cabinet main body when the cabinet door is opened to overhaul the electrical cabinet main body in rainy days is avoided, and an operator is protected.

The invention relates to the technical field of power transformation equipment, and discloses a transformer substation bolt electrified fastening device which comprises an insulating sleeve, a fastening rod is rotationally arranged in the insulating sleeve, a fastening sleeve is arranged at the top end of the fastening rod, and the bottom end of the fastening rod extends out of the bottom of the insulating sleeve and then is connected with an adjusting rod. The adjusting rod is perpendicular to the fastening rod; the fastening rod and the adjusting rod are made of insulating materials. In the working process, the adjusting rod is rotated to drive the fastening rod to rotate, the fastening sleeve rotates synchronously, and fastening of a bolt is completed; according to the invention, the bolt can be fastened under the electrified condition, so that the power supply is not influenced, the use of auxiliary equipment can be reduced, the construction cost is reduced, and the use flexibility is improved.

The invention discloses a three-dimensional point cloud-based intelligent management and control method and system for non-power-cut operation of a distribution network, and relates to the technical field of power operation management and control, and the method comprises the steps: integrating distribution network line data through a GIS, and eliminating a no-fly zone and an interference zone to generate an unmanned plane inspection route; a high-definition camera and a laser radar are used for collecting images and environment parameters, and a three-dimensional point cloud model is constructed. And calculating a shooting angle and classifying images based on the position relationship between the unmanned aerial vehicle and the tower, and fusing multi-source data to optimize the model precision. Effective images are screened, optimal angle parameters are determined, an optimal route is generated, the abnormal state of equipment is automatically recognized according to a route real-time collection data comparison model, fault alarm is triggered, maintenance resources are dispatched, and dynamic monitoring and closed-loop management and control are achieved. The method has the advantages that three-dimensional modeling, intelligent path planning and real-time analysis are integrated, the inspection efficiency and safety are remarkably improved, the manual intervention requirement is reduced, and the method is suitable for complex environment distribution network operation and maintenance.

The invention provides a layered and distributed collaborative inspection system for an intelligent substation. The layered and distributed collaborative inspection system comprises a collaborative inspection server, an inspection robot and a plurality of intelligent sensing units, when communicating with the inspection robot, the collaborative inspection server generates an inspection task carrying coordinates and identity codes of the to-be-inspected intelligent sensing units, issues the inspection task to the inspection robot, and receives transformer substation related data fed back by the inspection robot for fault analysis; when receiving an inspection task, the inspection robot writes all identity codes into the first RFID tag, then performs path planning according to all coordinates, and interacts with each intelligent sensing unit to be inspected; and when the intelligent sensing unit reads that one identity code in the first RFID tag is consistent with a pre-stored identity code, the intelligent sensing unit activates and collects related data of the transformer substation and writes the related data into the second RFID tag, and then the inspection robot reads the related data. According to the invention, the problems that hidden danger information is not obtained timely and the inspection position is not in place, so that data analysis results exist are solved.

The invention discloses an unmanned aerial vehicle routing inspection abnormal target detection method and device based on deep learning, and relates to the technical field of unmanned aerial vehicle routing inspection, and the method comprises the steps: obtaining routing inspection data collected by an unmanned aerial vehicle in a photovoltaic routing inspection region according to a routing inspection route, and obtaining environment feature data and photovoltaic feature data through separation according to the routing inspection data, updating a photovoltaic environment model based on the environment characteristic data and the photovoltaic characteristic data, determining an abnormal influence factor of a current inspection task according to the photovoltaic environment model, and inputting the photovoltaic characteristic data and the abnormal influence factor into the photovoltaic inspection model to obtain an abnormal photovoltaic characteristic of a photovoltaic panel, and determining an abnormal target according to the abnormal photovoltaic characteristics, and outputting abnormal information of the abnormal target. Through the above mode, the relation between the environment change and the photovoltaic is used for judging the working condition of the photovoltaic, and the accuracy of determining the abnormal target in photovoltaic inspection by the unmanned aerial vehicle is improved.

The invention belongs to the technical field of power equipment, and discloses an outdoor safety distribution box, which comprises a distribution box shell and a door body, and also comprises an abutting module, which is installed at one side, close to the door body, of an inner cavity of the distribution box shell; the first shielding plate is arranged in the upper end of the distribution box shell; the power module is installed in the distribution box shell and provides outward moving power for the first shielding plate; according to the power distribution box, through cooperation of the structures such as the movable assembly and the pressing assembly, the situation that when the wind power is large, the wind power continuously blows the door plate to swing back and forth, the outer side of the power distribution box shell and the body of an operator are flapped, and the safety of the operator is improved is avoided. Therefore, the door plate swings back and forth to influence the maintenance process of the operator, and the situation can also be suitable for normal weather conditions, so that the maintenance process of the operator on the interior of the distribution box shell is ensured.

The present invention discloses an assembly machine for a split-assembly modular power distribution cabinet, which relates to the technical field of power distribution cabinet assembly, and comprises a frame, a first slide rail is installed on the top of the frame, a frame is slidably connected to the first slide rail, a support plate is arranged in the middle of the frame, a second slide rail is installed on the top of the frame, the support plate is slidably connected to the second slide rail, a lifting rod is installed through the middle area of ​​the support plate, a counter plate is symmetrically installed on the top of the support plate, a slider is installed on the facing surface of the counter plate, the slider is slidably connected to the lifting rod through a track, a reinforcement plate is fixedly installed on the bottom of the lifting rod, and when bolts are tightened on the same assembly surface, all the bolt holes thereof are tightly fitted with the assembly plate, so that the assembly plate has high installation accuracy.