389 results about "Rollover" patented technology

The utility model discloses an unmanned ship rollover prevention device which comprises two rollover prevention assemblies of the same structure, the two rollover prevention assemblies are symmetrically and fixedly installed on the two side portions of a ship body, each rollover prevention assembly comprises an installation base, an extension module and a driving module, the installation bases are fixedly installed on the side portions of the ship body, and the extension modules are fixedly installed on the side portions of the ship body. A mounting groove is formed in the mounting base, one end of the extension module is fixedly mounted in the mounting base, the extension module is located in the mounting groove, and the driving module is mounted in the ship body and connected with the extension module; according to the anti-rollover device for the unmanned ship, the anti-rollover assemblies are arranged on the two sides of the ship body correspondingly, when the anti-rollover assemblies are unfolded, the buoyancy of the ship body can be effectively enhanced, meanwhile, the base contact area of the ship body and the water surface is enlarged, the overall supporting area of the ship body is enlarged, and the wind wave resistance is improved; the situation that the ship body rolls over due to overlarge storm waves is effectively reduced, then the safety of the ship body is effectively guaranteed, and the possibility that the ship body is damaged is reduced.

The invention discloses a robot orchard cross slope rollover prevention method based on space-time prediction enhanced control, and aims to solve the problem of inaccurate centroid time-varying estimation caused by load and mechanical arm actions. According to the method, a vehicle-arm-load space-time diagram and a terrain contact diagram are constructed through multi-source sensing, gravity center distribution containing heavy tail uncertainty is estimated through risk gating attention cross coupling and a space-time diagram network, physical constraint projection and residual error correction are implemented, a rolling angle and a rolling stability margin are predicted through an action condition Transform, and the rolling angle and the rolling stability margin are predicted. Conditional risk value risk indexes are embedded into a sampling type model for predictive control and are constrained by a control obstacle function, so that the technical effects of reducing the rollover risk and improving the gravity center estimation credibility and the operation safety under a cross slope and a soft soil form are achieved.

The invention discloses a vehicle rolling critical condition prediction method and device. The method comprises the following steps: acquiring n groups of rolling data about vehicle rolling; based on the n groups of vehicle rollover parameters, performing new data synthesis processing to obtain m groups of enhanced rollover parameters corresponding to the vehicle rollover parameters; inputting the enhanced tumbling parameter into the implicit neural network, and outputting a tumbling result corresponding to the enhanced tumbling parameter; training the initial explicit neural network through the enhanced tumbling parameter and a tumbling result corresponding to the enhanced tumbling parameter to obtain a trained explicit neural network; and determining a critical condition for triggering the rolling of the target vehicle through the explicit neural network according to the input actual rolling parameter of the target vehicle. In this way, the implicit neural network is used to learn the rolling discrimination capability from the small-scale real vehicle rolling data; and then a large number of reasonable enhanced rolling parameters are generated to train an explicit neural network so as to output critical conditions of vehicle rolling expressed in a specific parameter threshold form.

The utility model relates to the technical field of walking mechanical equipment, and particularly discloses a cab turnover assembly and engineering mechanical equipment, when the engineering mechanical equipment provided with the cab turnover assembly is overhauled, a locking assembly is switched to a separation state, at the moment, a cab can be driven to rotate around a pivot shaft relative to a frame, and the cab is turned over. When the included angle between the cab and the frame is the first preset included angle, the fixing piece fixes the included angle between the cab and the frame to be the first preset included angle, and at the moment, a worker can overhaul equipment below the cab. The included angle between the cab and the frame is fixed to be the first preset included angle through the fixing piece, the cab is prevented from being excessively turned over or moving in the unexpected direction, and then the safety and stability of engineering mechanical equipment are improved.

A method for controlling the actuation of an actuable restraint in response to a vehicle rollover event includes detecting whether the vehicle (12) is engaged in off-road driving. The method further includes determining whether the vehicle (12) is experiencing a rollover event (99), which, if the vehicle is engaged in on-road driving, would guarantee the actuation of the actuable restraint (20). The method further includes actuating the actuable restraint (20) in response to determining that a roll acceleration (D RATE) of the vehicle (20) indicates that the roll event is continuing. A vehicle safety system (10) includes an actuable restraint and a controller (50) configured to control the actuation of the actuable restraint according to the method.

The utility model belongs to the technical field of transport vehicle unloading, and discloses an electrolyte mixing transport vehicle unloading device which comprises a hydraulic overturning vehicle frame, a supporting plate is rotationally connected into the hydraulic overturning vehicle frame, fixing seats are symmetrically and fixedly installed at the top end of the supporting plate, a sliding rail is fixedly installed at the bottom end of the supporting plate, and the sliding rail is fixedly connected with the hydraulic overturning vehicle frame. A first sliding block is slidably mounted in the sliding rail, a motor is fixedly mounted at the bottom end of the sliding rail, an output shaft of the motor is fixedly connected with a lead screw, a base is fixedly connected to the bottom end of the first sliding block, a lantern ring is rotatably connected into the base, and a steel wire rope is fixedly connected to the outer surface of the lantern ring. Through the balancing weight arranged below the supporting plate, the balancing weight slides upwards in an inclined mode along the sliding rail in the synchronous inclined unloading process of the transport vehicle and the supporting plate, and therefore stability in the unloading process can be effectively guaranteed, and equipment rollover caused by center-of-gravity shift is avoided.

1. The name of the design product: power unit for battery replacement locking mechanism (G500). 2. The use of the design product: power unit for battery replacement locking mechanism of automobile cab, used for rollover drive of cab. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a self-locking hydraulic cylinder, a cab turnover system and engineering machinery, and relates to the technical field of engineering machinery. The self-locking hydraulic cylinder comprises a main hydraulic cylinder, a self-locking mechanism and an auxiliary hydraulic cylinder; the main hydraulic cylinder comprises a main piston rod and a main cylinder barrel; the self-locking mechanism comprises a mounting frame fixed to the outer wall of the main cylinder barrel, a limiting plate is movably arranged on the mounting frame and fixedly connected with the top of the main piston rod, and a plurality of limiting holes are formed in the limiting plate in the moving direction at intervals. A spring bolt is mounted on the mounting frame corresponding to the limiting hole through a pin shaft; the top of an auxiliary piston rod of the auxiliary hydraulic cylinder is fixedly connected with the spring bolt and used for driving the spring bolt to be matched and locked with the limiting hole. According to the self-locking hydraulic cylinder, the self-locking mechanism and the auxiliary hydraulic cylinder work in a matched mode, locking can be conducted when the main hydraulic cylinder stretches out, when the self-locking hydraulic cylinder is applied to a cab overturning system, the purposes of mechanical locking and potential safety hazard eliminating can be achieved after an oil cylinder loses efficacy, and the self-locking hydraulic cylinder is simple in structure, safe and reliable.

This invention discloses a forced-drive comb-tooth tower garage suitable for low-rise buildings in the field of automated parking systems. The transverse comb-tooth frame includes a transverse frame with arrayed comb-tooth components on both sides. The lifting comb-tooth frame includes symmetrically arranged lifting frames with fixedly connected adapter frames at both ends. Each adapter frame has a welded forced-drive frame. The lifting frames have arrayed comb-tooth components on their sides and symmetrically distributed rotating rods at their lower ends. Symmetrically distributed rectangular limiting posts are located within the forced-drive frames. In this invention, the limiting plates within the comb-tooth components of the forced-drive comb-tooth tower garage can automatically rotate and rise, preventing vehicle displacement and rollover caused by vibrations during the lifting and lowering of the lifting comb-tooth frame, the exchange of positions between the transverse and lifting comb-tooth frames, and the transverse movement of the transverse comb-tooth frame. The lifting comb-tooth frame has a horizontal detection function and a fault protection function.

The invention relates to the technical field of temperature protector detection, in particular to a temperature protector critical flip acoustic feature detection method and system, and the method comprises the steps: obtaining an original sound signal of a bimetallic strip temperature protector; performing dynamic closed-loop suppression on the original sound signal to generate a sound signal after noise reduction; carrying out acoustic feature recognition on the sound signal, and generating an acoustic feature set representing bimetallic behavior characteristics; generating an acoustic parameter compensation variable according to the transmission process behavior of the sound wave in the high-temperature gas; processing the acoustic feature set and the acoustic parameter compensation variable based on a behavior recognition analysis process, and outputting an action feature sequence of the bimetallic strip temperature protector; and when the action characteristic sequence displays a continuous action characteristic state, confirming that the bimetallic strip temperature protector has completed critical overturning. According to the invention, the problems of critical upset misjudgment and incapability of analyzing the pre-upset energy storage process caused by thermal noise interference in a traditional electric heating detection method are effectively solved.

The utility model discloses a kind of automobile braking system test auxiliary tool, including baffle mechanism, measuring rod mechanism and brake point prompting mechanism, each group of baffle mechanism includes L-shaped baffle, the side of the L-shaped baffle is equipped with second sliding groove, the other side of the L-shaped baffle is fixedly connected with the second sliding block corresponding with second sliding groove, by being set in the test section both sides combinable baffle mechanism, test vehicle is protected, by being set in the baffle mechanism slidably measuring rod mechanism, so that the equipment can support protection to test vehicle, prevent vehicle rollover, it is favorable to the protection of staff, by observing the moving distance of measuring rod mechanism, the brake distance exceeding is observed, it is favorable to improve the convenience of use, by setting brake point prompting mechanism convenient to move, and setting speaker body on brake point prompting mechanism, so that itself can replace observation point and prompt test driver to brake, it is favorable to improve the accuracy of test result.

The utility model relates to the technical field of dump trucks, and discloses a tip-back type dump semitrailer which comprises a dump truck carriage, and a carriage door mounting frame is fixedly mounted at the top of the dump truck carriage and located at the position close to the rear side. According to the rear-turning type self-discharging semitrailer, the width of the position, close to the rear side discharging opening, in the compartment is larger than the width of the area close to the front side, so that the discharging speed of internal materials after the compartment is turned backwards can be effectively increased, the situation that sand is clamped in the compartment and moves upwards along with the compartment, the gravity center of the compartment moves upwards, and then rollover is caused is prevented, and the discharging safety is improved; sand in the area, close to the inner wall of the front side, of the interior of the dumper compartment is partitioned and separated through the back plate anti-adhesion device, it is prevented that the sand adheres into large blocks to be accumulated on the front side during discharging, meanwhile, the inner wall of the bottom of the dumper compartment is swept through the scraper, and the corner angle area, close to the bottom, of the interior of the dumper compartment is shoveled and cleaned through the shovel head; the sand is prevented from staying in the dumper carriage during unloading, and the unloading efficiency is improved.

The invention discloses an anti-rollover reversing mechanism of a carrying trolley. The anti-rollover reversing mechanism comprises a trolley frame body, four sets of wheel frames and a steering connecting frame used for connecting the four sets of wheel frames. The four groups of wheel frames are respectively pivoted to four corner ends of the bottom of the frame main body and are used for mounting wheels; a steering assembly is further pivoted to the front side of the frame main body, and the steering assembly is rotationally connected with the steering connecting frame; the steering connecting frame is a rectangular frame defined by two transverse rods and two longitudinal rods, and the four corner ends of the rectangular frame are connected with the four sets of wheel frames in a pivoted mode respectively. The steering assembly comprises a steering rod and a steering plate fixedly connected to the lower end of the steering rod, the tail end of the steering plate is pivoted to the middle of one transverse rod, and the lower end of the steering rod is pivoted to the front end of the bottom of the frame body. The four sets of wheel frames are directly and forcibly driven to rotate around the respective vertical axes or pivot points at the same time through movement of the rectangular frame, the vehicle can rotate around a smaller instantaneous center, and the turning radius is remarkably reduced.

The utility model relates to the field of electric forklifts, in particular to an anti-rollover device of an electric forklift, which comprises a forklift body. The device further comprises a sliding frame, a first motor, a two-way lead screw, a first sliding block, a clamping plate, a balancing weight, a horizontal sensor and a controller. By arranging the first motor, the first motor drives the two-way lead screw to rotate during operation, the two first sliding blocks are driven to move relatively during rotation of the two-way lead screw, the two clamping plates are driven to move relatively during movement of the first sliding blocks, and the two clamping plates can clamp the balancing weights when moving to be close to each other, so that the left side and the right side of the forklift body are each provided with one balancing weight; the horizontal sensor can monitor the horizontal state of the forklift body in real time, and when the forklift body inclines laterally, the horizontal sensor can send a signal to the controller, so that the controller starts the first motor close to the inclined face to enable the inclined side to discard the balancing weight, the weight of the inclined side is lower than that of the lifting side, the lifting side can fall down, and therefore the forklift body is prevented from inclining laterally. Therefore, the purpose of supplementing other rollover prevention devices is achieved.

The invention relates to a vehicle control method and device, equipment and a storage medium. The method comprises the steps that driving state data of a vehicle at the current moment and road surface state data of the vehicle at the current moment are obtained; performing prediction processing based on the driving state data to obtain a predicted roll angle; the predicted roll angle is a corresponding roll angle of the vehicle at the next moment of the current moment; under the condition that the predicted roll angle meets the rollover early warning condition, data processing is carried out based on the driving state data and the road surface state data, and torque compensation data is obtained; performing torque compensation on the current output torque of the vehicle based on the torque compensation data to obtain a target torque; and based on the target torque, vehicle driving is controlled, active prediction and intervention before vehicle rollover are achieved through the technical scheme, and therefore the stability and safety of vehicle driving are improved.

The utility model provides a width-adjustable and movable anti-soil-falling triangular cap device for a foundation pit supporting beam. The width-adjustable and movable anti-soil-falling triangular cap device comprises a panel, a supporting frame and a positioning structure. The supporting frame is fixedly connected with the inner wall of the panel, and sliding wheels are arranged on the lower surface of the supporting frame. The positioning structure comprises two positioning plates and a driving mechanism; the positioning plates are arranged on the supporting frame in a sliding mode, the two positioning plates are parallel to each other, and the two positioning plates can linearly move in the direction close to each other or away from each other under the action of the driving mechanism; rollers are arranged on the inner side walls of the two positioning plates respectively; the device is further provided with a traction structure and a hoisting hanging ring. According to the device, the placing and limiting functions of the device can be achieved so as to prevent the device from rolling over, the distance between the two sets of positioning plates can be adjusted so as to be suitable for cross beams with different widths, and the application range is widened. The device is simple in structure and can flexibly move to achieve the remote moving function, workers do not need to climb on the supporting beam to conduct manual adjustment, and the safety risk is reduced.

An apparatus for a vehicle emergency call that makes an emergency call when a vehicle is rolled over. The apparatus for a vehicle emergency call includes: a longitude and latitude calculation unit configured to calculate longitude and latitude values of a positioning sensor; an altitude calculation unit configured to calculate a measured altitude; a rollover determination unit configured to determine whether the vehicle is rolled over; and a communication unit transmitting an emergency call message to an emergency rescue center.

The utility model relates to a telescopic tractor anti -rollover counterweight block mechanism, including frame, the adaptive board of installation in the top of frame, the counterweight ring of installation in the position of approaching four around of frame, the counterweight frame is equipped with with the counterweight ring coaxial setting of following rotation box in the extension position of both sides of frame, the adaptive board is used for adapting tractor chassis installation, and the counterweight ring and following rotation box are used for adapting tractor wheel anti -rollover installation, and the telescopic sleeve and the external cylinder of connection are all set up in both ends of counterweight frame, and the cylinder drives telescopic sleeve to approach or to be far from counterweight block, and the floating air bag is used as longitudinal buffer and compensation device, when tractor climbs, downhill or passes through undulating terrain causes the equal difference change of front and rear axle load, and the floating air bag can actively inflate and deflate, and the dynamic jacks up or releases counterweight ring, and shares the axle impact load, and the stability of auxiliary keeps the front and rear wheel ground pressure, thereby effectively promotes fuel economy, and improves the maneuverability of steering and driving, realizes the perfect unity of safety and efficiency.

The invention provides a control method of a vehicle suspension and a vehicle, and relates to the technical field of vehicle chassis, the control method comprises the following steps: obtaining the suspension height, the current vehicle speed and the current roll angle of the vehicle; determining a suspension height threshold value of the vehicle based on the current vehicle speed and the current roll angle; based on the suspension height and a suspension height threshold value, a first control instruction is generated, and the first control instruction is used for indicating whether a suspension of the vehicle is adjusted or not; and controlling a suspension of the vehicle based on the first control instruction. According to the control method, intervention and correction of vehicle suspension adjustment are achieved through the first control instruction, the rollover risk caused by height adjustment errors of the suspension is avoided, and therefore the safety of the vehicle is improved.

This invention relates to the field of vehicle safety technology, and more particularly to a vehicle hazard warning signal device control system based on risk situation prediction. The system includes an acquisition module, a compensation module, a judgment module, a control module, an early warning module, and an adjustment module. This invention actively compensates for stability control parameters in the early stages of cargo slippage. When compensation fails, it analyzes lateral acceleration and vehicle speed to identify signs of lateral impact and emergency braking. Based on the degree of off-center loading, brake thermal state, and lateral force, it limits engine torque output. In low-risk phases, it maintains a regular sampling frequency and provides early warnings based on parameter change trends. Simultaneously, based on the intervention effect and angular velocity difference fluctuation self-calibration threshold, it effectively solves the problems of difficulty in early suppression of rollover and loss of control, and driver exposure to secondary accident risks, caused by the lack of vehicle instability prediction and active intervention, and the reliance on manually placed markers for malfunction stopping.

The utility model discloses an inflatable anti -toppling rocking horse, including rocking horse main part and setting the base of arc shape setting below the both sides of rocking horse main part, its characterized is still including setting the side edge protection spare of rocking horse rollover prevention of base outside, side edge protection spare on be equipped with with base connection's side edge connecting portion, the base be to the outward inclination setting below rocking horse main part, rocking horse main part, base, side edge protection spare and side edge connecting portion are equipped with the intercommunication air cavity. The utility model discloses setting side edge protection spare outside the base, through side edge protection spare to rocking horse when rollover plays the supporting protection function, avoids the child playing rocking horse and falling to appear the security problem when playing rocking horse and easily happening rollover.

The utility model discloses a kind of box cover antiskid structure and suitcase, wherein, box cover antiskid structure, comprising: a plurality of first anti-skid lines, the first anti-skid line is straight strip, the first anti-skid line extends horizontally along the side of box cover, and the first anti-skid line between two adjacent is set with interval;A plurality of second anti-skid lines, the second anti-skid line is inclined strip, and the second anti-skid line extends obliquely along the outer end surface of box cover;Wherein, the number of the second anti-skid line is same with first anti-skid line, one end of the second anti-skid line is connected with first anti-skid line, and the other end extends obliquely in the direction away from first anti-skid line.The utility model of a kind of box cover antiskid structure and suitcase can effectively resist horizontal, oblique and other multidirectional sliding trends under the scene such as suitcase dumping placement, and greatly reduce the risk of article falling or box body rollover caused by sliding.

The utility model discloses an anti-rollover discharging device for mine car transportation, and relates to the technical field of mine car transportation. The anti-rollover transport vehicle comprises a main frame mechanism, the main frame mechanism comprises a transport vehicle body, an anti-rollover assembly is arranged in the transport vehicle body, an auxiliary assembly is arranged at the top of the transport vehicle body, the auxiliary assembly comprises a buckle plate, the anti-rollover assembly comprises a motor, and a cavity is formed in the transport vehicle body. The anti-rollover assembly is arranged, specifically, when the gravity center of the transport vehicle hopper body moves leftwards during unloading, the motor is started to drive the two moving blocks to move rightwards through forward rotation of the threaded rod, and the moving blocks can drive the balancing weight to move rightwards when moving, so that mutual force is formed between the balancing weight and the gravity center of the transport vehicle hopper body; by means of the technical scheme, the situation of rollover during discharging is avoided, safety accidents are reduced, meanwhile, the rollover probability is reduced, the working efficiency can be greatly improved, and resource waste is greatly reduced.

The invention discloses a tiltable sliding plate moped, and relates to the technical field of sliding plate mopeds. A tiltable sliding plate moped comprises a frame, and the frame is connected with a front wheel mechanism, a sitting and leaning mechanism and a rear wheel mechanism which are sequentially arranged. The rear wheel mechanism comprises a seat body connected to the frame, and the seat body is provided with a containing groove; the rear wheel part is provided with a universal connector, the universal connector is connected to the containing groove, the rear wheel part comprises a rear supporting wheel, and the axis of the rear supporting wheel is located on the side, away from the front wheel mechanism, of the rotating center of the universal connector. The rear wheel piece can rotate around the rotating center of the universal connector in the direction away from the front wheel mechanism. And the two ends of the elastic supporting assembly are connected to the rear wheel piece and the seat body correspondingly, so that the rear wheel piece can reset when the external force disappears. The rear wheel can be kept stable when the body of an operator inclines, so that rollover is avoided.

The application provides a stacking machine anti-rollover control method, an electronic device, a storage medium and a program product. The method comprises the following steps: acquiring an operating state parameter of a vehicle, and calculating a center of mass position of the vehicle based on the operating state parameter; wherein the state parameter comprises a load weight and a load height; based on the center of mass position, a driving speed and a tire angle, calculating a rollover torque generated when the vehicle turns and a stable torque resisting rollover; when a steering action is detected, comparing the rollover torque with the stable torque; if the rollover torque is greater than or equal to the stable torque, dynamically limiting the hydraulic flow of a steering oil cylinder according to the current driving speed; based on the current tire angle, the center of mass height and the wheelbase of the vehicle, calculating a maximum allowable driving speed, and when the current driving speed is greater than the maximum allowable driving speed, controlling the driving motor to brake so that the vehicle is slowed down to not exceed the maximum allowable driving speed.

Disclosed herein is a hoist tool including a hoist frame and a base structure. The hoist frame includes a structural framework having a first end and a second end and at least one first rotation-enabling coupling at the second end of the structural framework. The base structure includes at least one second rotation-enabling coupling configured to engage with the at least one first rotation-enabling coupling of the hoist frame. The at least one second rotation-enabling coupling of the base structure defines a rolling axis. The hoist frame is selectively movable by the hoist to position the at least one first rotation-enabling coupling into engagement with the at least one second rotation-enabling coupling and when coupled and when the assembled structure is coupled to the hoist frame, the hoist frame is selectively rotatable about the rolling axis, relative to the base structure, to enable a rollover of the assembled structure.

This invention relates to the field of aviation technology, and more particularly to a tiltrotor aircraft configuration capable of flipping over on water and a method for controlling rollover recovery on water. The invention includes: a fuselage structure, a wing, a rotor structure, and a drainage structure; the wing is fixedly mounted in the middle of the fuselage structure; the rotor structure is mounted on the fuselage structure and the wing; and the drainage structure is provided on the fuselage structure and the wing. When the aircraft operates on water, the one-way drain can prevent water from entering the fuselage and wing interior, and when there is water inside, it can drain to the outside. When the aircraft rolls over on the water, the rotor is adjusted to provide a tilting moment until it returns to right. After the aircraft returns to right, its attitude is adjusted so that the water inside the aircraft flows out through the one-way drain, achieving the ability to continue operating after a rollover.

The utility model provides a kind of main control room translation device, be set to main control room bottom, including drag mechanism, support structure, fixed support and sliding support;Main control room moving state, second support piece slides in sliding limit groove;Main control room stationary state, second fixed hole is fixedly connected with first fixed hole by fastener.Connecting with the above structure can realize the quick, stable translation of main control room, and ensure that there is no deviation and rollover phenomenon in the process of translation sliding, the position of main control room can be reliably fixed after moving, avoid the shaking situation caused by vibration during construction process, improve the construction efficiency of shield machine, ensure construction safety.

The invention discloses a feeding device and detection equipment, and the device comprises a conveying line which comprises two conveying parts; the feeding mechanism is arranged at the input end of the conveying line and comprises a releasing assembly and a first lifting assembly; the discharging mechanism is arranged at the output end of the conveying line and comprises a collecting assembly and a second lifting assembly, and the second lifting assembly and the first lifting assembly are the same in structure; the first lifting assembly comprises two lifting supports, a transmission plate and a first lifting driving piece, the two lifting supports can be slidably connected to the opposite inner sides of the different conveying parts along the Z axis, and the transmission plate is located between the two conveying parts and is in transmission connection with the first lifting driving piece; the two ends of the transmission plate are each provided with a strip-shaped hole, the length direction of the strip-shaped holes is parallel to the X axis, the lifting support is connected with a transmission piece, and the transmission piece is embedded in the strip-shaped holes in an up-down limiting mode and can move along the X axis. The tray lifting device can effectively avoid rollover of trays in the lifting process, and meanwhile it is ensured that the tray lifting device can adapt to trays of different sizes.

The utility model discloses a kind of boiler maintenance tool boxes for thermal power plant, the utility model relates to the technical field of boiler maintenance, including bottom plate, the upper surface of the one side of bottom plate is fixedly connected with side plate, the side of side plate is provided with two fastening devices, fastening device and side plate are slidably connected, fastening device is specifically telescopic structure, the both ends of fastening device are provided with clamp, the upper surface of the middle part of bottom plate is fixedly installed with first box, the top of first box is slidably connected with two second boxes, the both sides of first box are provided with the third box of rotationally connected with bottom plate. The boiler maintenance tool box for thermal power plant is set through fastening device, fastening device can be along with the width and interval of guardrail on maintenance platform, adjust connecting point, so that the whole maintenance tool box can be stably connected on guardrail, avoid placing unstable and produce rollover, the situation that the tool stored inside scatters and falls to ground occurs.