2000 results about "Engineering machiner" patented technology

The invention relates to the technical field of engineering machinery control, and discloses a carry-scraper electrical control system and method based on intelligent control, and the system comprises a sensor module, a man-machine interaction module, a control module, an execution module, and a communication module. The method comprises the following steps: collecting real-time operation data and an operator instruction, generating a predictive deterministic map by a control module, and outputting a final control instruction for energy consumption optimization according to the predictive deterministic map to drive the carry-scraper. And meanwhile, the system continuously monitors the state of the equipment to realize fault early warning, calculates an energy consumption optimization index, and finally graphically displays the operation data, the fault early warning and the energy consumption index through the man-machine interaction module. According to the invention, an intelligent algorithm is integrated, so that accurate control and early warning of faults can be realized, energy consumption is optimized, and safety and economy are improved; and through simplified man-machine interaction, the defects of poor adaptability, complex operation and high energy consumption of a traditional system are overcome.

The invention discloses a load simulation loading system based on an engineering mechanical power system and a control method thereof, and relates to the technical field of mechanical power system simulation. The load simulation loading system comprises an engineering machinery power system, a load loading system, a whole vehicle control unit and an upper computer platform. The engineering machinery power system comprises a first oil tank, a main pump, a pilot pump, a pilot control handle, a signal control valve and a multi-way valve. The load loading system comprises a three-position four-way reversing valve, a proportional overflow valve, a first proportional throttle valve, a second proportional throttle valve, an electromagnetic valve, a third proportional throttle valve and a variable pump, wherein the three-position four-way reversing valve, the proportional overflow valve and the first proportional throttle valve are connected to the multi-way valve, the second proportional throttle valve and the electromagnetic valve are connected to an outlet of the proportional overflow valve, and the third proportional throttle valve is connected between the second proportional throttle valve and the second oil tank. And the three-position four-way reversing valve is constructed to enable an inlet of the proportional overflow valve to be communicated with one of the oil port A and the oil port B of the multi-way valve in a switching manner, and an outlet of the proportional overflow valve to be communicated with the other one of the oil port A and the oil port B in a switching manner.

A control method for a compensation torque of a range extender (2) for an engineering machinery vehicle. The method comprises: determining a feedforward torque on the basis of driver demand power, and controlling a range extender (2) to operate with the feedforward torque; on the basis of the difference between the actual generating power of the range extender (2) and the driver demand power, calculating a power compensation torque; on the basis of actual operating conditions of an engineering machinery vehicle, determining whether to add other compensation torques; if the other compensation torques are to be added, setting a final compensation torque to be the sum of the power compensation torque and the other compensation torques; if the other compensation torques are not to be added, setting the final compensation torque to be the power compensation torque; and sending to the range extender (2) the final compensation torque, which then serves, together with the feedforward torque, as a generating torque of the range extender. Therefore, the generating power of the range extender (2) can change according to the driver demand power, and torque compensation is performed on the basis of the actual operating conditions, thereby ensuring the effective available power of a system.

The invention discloses a double-seat cooperative safety control method and system for engineering machinery, relates to the technical field of engineering machinery control, and provides the following scheme that the method comprises the steps that a first operation instruction stream of a main driving seat and a second operation instruction stream of a co-driving seat are collected in real time, and a working condition parameter set of the engineering machinery is synchronously obtained; the operation instruction stream comprises all degree-of-freedom motion parameters of the engineering machinery, inputting the first operation instruction stream into a pre-constructed long-short-term memory model, outputting a prediction operation instruction stream in a future time window, and based on a difference vector of the first operation instruction stream and a second operation instruction stream on each degree-of-freedom motion parameter. According to the method, through the index curve fitting model and Simpson integral calculation, the defect that the co-pilot intervention weight is difficult to quantify is overcome, the dynamic intervention weight based on the physical equidistant interval absolute integral value is realized, and the accuracy of the control signal of the engineering machinery is improved.

The invention discloses a digital twinning-based drilling machine lifting system digitization method, device and equipment and a medium, and relates to the technical field of engineering machinery, and the digital twinning-based drilling machine lifting system digitization method comprises the steps of constructing a digital twinning model of a target drilling machine lifting system; virtual-real mapping of the digital twin model is carried out according to the equipment information data; determining simulation data of the digital twinborn model based on the real-time monitoring data, and simulating the digital twinborn model to quantify the model precision of the digital twinborn model so as to obtain an initial digital twinborn model; and performing joint simulation by using a preset technological process identification model and the initial digital twinborn model, and making corresponding automatic updating strategies for different technological processes so as to perform dynamic updating according to the automatic updating strategies, and performing evaluation verification on the initial digital twinborn model to obtain a target digital twinborn model. Therefore, digital twinborn modeling can be carried out on the drilling machine lifting system so as to realize optimization management on the drilling machine lifting system based on the digital twinborn model.

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

An engineering machinery equipment performance degradation prediction method based on multi-model stacking fusion is characterized in that design calculation, a simulation model and a data driving model are combined, physical test data under different carrying equipment and different working conditions are used as training materials, confidence weight distribution of sub-models is completed, and a fusion total model is obtained. And when real object live test data under certain conditions are lacked, the environmental conditions are used as input, a final prediction value is obtained through a model stacking weight distribution mechanism, and the prediction result of the performance degradation of the engineering mechanical equipment is optimized.

The utility model relates to the technical field of engineering machinery transmission parts, in particular to an engineering machinery drive axle transmission system convenient for heat dissipation and lubrication, which comprises a driving spiral bevel gear and a large spiral bevel gear which are meshed with each other, a main spiral bearing and an oil seal are arranged between the main transmission shell and the driving spiral bevel gear; an oil groove group for lubricating the main spiral bearing and the oil seal is formed in the main transmission shell; the oil groove set comprises a first lubricating oil groove and a second lubricating oil groove, the first lubricating oil groove is communicated to the main spiral bearing, the second lubricating oil groove is communicated between the oil seal and the main spiral bearing, and the first lubricating oil groove and the second lubricating oil groove are each of a spiral oil groove structure. According to the scheme of the utility model, the problem that the bearing and the oil seal are damaged due to insufficient lubrication and heat dissipation in a high-speed operation environment caused by poor lubrication of the bearing can be solved.

The invention relates to the technical field of engineering machinery, and discloses an engineering machinery active safety control method and device based on multi-parameter analysis, and the method comprises the steps: collecting the multi-modal data of an environment where the engineering machinery is located based on a multi-modal data collection device, and constructing a dynamic model of the engineering machinery and the environment according to the multi-modal data, analyzing the multi-modal data through a dynamic model to obtain an environment data analysis result and an equipment data analysis result, determining an operation risk level of the engineering machinery according to the environment data analysis result and the equipment data analysis result, and determining an optimal working path of the engineering machinery according to the multi-modal data. And generating a safety control strategy according to the operation risk level and the optimal working path. Therefore, by implementing the method, the evaluation accuracy of the operation risk can be improved, the probability of misoperation of operators is reduced, the operation accuracy and reliability of the engineering machinery are enhanced, and the operation efficiency, the operation stability and the operation safety of the engineering machinery are further improved.

The invention discloses vibroflotation equipment, and relates to the technical field of engineering machinery, and the vibroflotation equipment comprises a machine body assembly, a sleeve pulling device and a vibroflotation device. In the vibroflotation equipment, a machine body assembly is provided with a stand column, and the stand column is provided with a first guide rail; the sleeve pulling device is arranged on the first guide rail in a liftable manner and is used for pulling a sleeve; the vibroflotation device is arranged on the first guide rail in a liftable mode, is matched with the sleeve pulling device in a penetrating mode and is used for vibroflotation of the foundation, and the sleeve pulling device and the vibroflotation device work cooperatively. According to the vibroflotation equipment, the sleeve can be pulled out cooperatively during vibroflotation, the pile body quality is good, and the construction efficiency is high.

A controller of a wheeled hydraulic excavator executes control of a vibration suppression function to control the flow of a hydraulic fluid from a hydraulic cylinder that drives a work implement, thereby suppressing vibration of the hydraulic cylinder when the rotation speed of wheels reaches a predetermined speed or higher. Furthermore, the controller disables the control of the vibration suppression function when the vehicle body is jacked up by the work implement, even when a vibration suppression instructing device has given an instruction for enabling the control of the vibration suppression function.

The invention relates to the technical field of engineering machinery welding, in particular to an engineering machinery cab accessory laser welding tool which comprises a base, a positioning clamping unit is mounted on the left side of the upper end of the base, and a position correcting unit is mounted on the right side of the upper end of the base; the seat framework welding device is used for welding a seat framework, the left side of the main frame is positioned, and the positions are adjusted according to the distances between the welding positions of the cross beam, the reinforcing rib and the waist support and the left side of the main frame, so that the cross beam, the reinforcing rib and the waist support are in one-to-one correspondence with the corresponding welding positions on the main frame; therefore, the welding positions of the cross beam, the reinforcing rib and the waist support on the main frame are accurately positioned, the welding quality of the seat framework is ensured when the seat framework of different specifications is welded, meanwhile, the main frame, the cross beam, the reinforcing rib and the waist support can be rapidly clamped and released, and the welding efficiency is improved. And therefore, the welding efficiency of the seat framework is improved.

The invention relates to the technical field of engineering machinery control, in particular to a fuel efficiency optimization method and system based on multi-modal visual fusion, and the method comprises the steps: obtaining an environment image around engineering machinery, generating a disparity map, and carrying out the three-dimensional reconstruction; according to the reconstructed image and a pre-stored engineering machinery joint model, obtaining three-dimensional coordinates and spatial postures of the movable arm joint; classifying the current working conditions of the engineering machinery according to the three-dimensional coordinates and the spatial attitude of the movable arm joint, the state parameters of the engineering machinery and the reconstructed image, and determining the action states and slope repairing angles under different working condition types; and according to the working condition type, the action state and the slope repairing angle, based on a pre-constructed fuel mapping database, obtaining a corresponding load intensity coefficient, an engine rotating speed, a main pump pressure, a fuel supply correction coefficient and torque compensation, and adjusting the current state parameters of the engineering machinery to realize fuel optimization.

The invention discloses a drill rod lowering control method, system and equipment of a rotary drilling rig and a medium, and belongs to the technical field of engineering machinery control. The drill rod lowering control method of the rotary drilling rig comprises the steps that if a drill rod lowering instruction is received, an electric main hoisting mechanism is controlled to lower a telescopic drill rod to a target drill hole; the current lowering depth of the telescopic drill rod is determined; the difference value between the hole depth of the target drill hole and the current lowering depth is set as the to-be-lowered depth; if the to-be-lowered depth is larger than the depth threshold value, the current lowering speed of the telescopic drill rod is set according to the current bearing weight, the power head height, the current lowering depth and the length of the sub drill rod; and if the to-be-lowered depth is smaller than or equal to the depth threshold value, a motor of the electric main hoisting mechanism is controlled to output reverse torque, and the motor of the electric main hoisting mechanism is controlled to stop rotating when a preset condition is met. The lowering speed of the telescopic drill rod can be reasonably controlled, and the service life of the rotary drilling rig is prolonged.

The invention discloses a flow demand control method and device for electric engineering machinery, and the method comprises the steps: determining a pilot handle opening value according to a pilot handle opening voltage value; according to the pilot handle opening value and a preset hydraulic oil demand response characteristic value, a hydraulic oil demand flow value is obtained; a main pump pressure value is obtained, the hydraulic oil demand flow value is dynamically corrected according to the main pump pressure value, and a corrected flow value is obtained; and the current of the first proportional valve is adjusted according to the corrected flow value, and the opening value of the first proportional valve is controlled. The flow demand is corrected in real time through the main pump pressure, high-pressure working condition overpower output is avoided, the overflow frequency is reduced, and dynamic pressure correction is achieved.

Disclosed in the present invention are a gear shifting process control method and system for an electric drive transmission of engineering machinery. The method comprises: in response to having received a gear-shifting signal, acquiring a required gear, a current gear, an electric-motor output torque and a slope signal; on the basis of the electric-motor output torque and the slope signal, determining a gear-shifting load type, and on the basis of the required gear and the current gear, determining a gear-shifting requirement type; if the gear-shifting load type is light- and medium-load gear shifting and the gear-shifting requirement type is an upshift requirement, sending an instruction to execute light- and medium-load upshift control; and if the gear-shifting load type is the light- and medium-load gear shifting and the gear-shifting requirement type is a downshift requirement, sending an instruction to execute light- and medium-load downshift control. During light- and medium-load upshift control or light- and medium-load downshift control, rotation speeds on a pre-clutch side and a post-clutch side are rapidly synchronized, thereby reducing the sliding friction work of a clutch and shortening a gear-shifting time.

The utility model discloses a hydraulic system with a movable arm floating regeneration function and an excavator, and belongs to the technical field of engineering machinery. The defects that in a traditional excavator movable arm control system in the prior art, when an operator continuously controls a movable arm, fatigue is prone to being generated, and the working effect is affected are overcome. The main structure of the hydraulic system comprises a main pump, a pilot pump, a movable arm descending proportional valve, a movable arm lifting proportional valve and a movable arm oil cylinder, an oil outlet of the main pump is connected with the movable arm oil cylinder through a movable arm reversing valve, and an oil outlet of the pilot pump is connected with oil inlets of the movable arm descending proportional valve and the movable arm lifting proportional valve. An oil outlet of the movable arm descending proportional valve is connected with a right pilot oil port of the movable arm reversing valve, an oil outlet of the movable arm lifting proportional valve is connected with a left pilot oil port of the movable arm reversing valve, and a regeneration control assembly is further arranged between a rod cavity and a rodless cavity of the movable arm oil cylinder. The utility model is mainly applied to engineering machinery such as excavators and the like.

The invention relates to the technical field of engineering machinery, and discloses a power control method and device applied to a hydraulic system, an operation machine and a medium. If it is monitored that the increase amplitude of a load signal in a first time period exceeds an amplitude threshold value, it is indicated that the hydraulic system is in a load sudden increase working condition; the maximum steady-state power of the oil pump matched with the load signal is determined, the electromagnetic valve is controlled to slowly adjust the current at the first rate, the oil pump power is slowly increased to the maximum steady-state power at the rate matched with the first rate, and the second time period of slow increase of the oil pump power is larger than the first time period of sudden increase of the load. Therefore, the power of the oil pump is flexibly loaded to the maximum steady-state power, the transient power of the oil pump is restrained, the output power of the power source has enough time to be matched with the required power of the oil pump, and pressure building flameout of the power source is avoided. And the steady-state torque does not need to be reduced for matching, and the heavy-load operation efficiency can be guaranteed.

The invention relates to the technical field of electro-hydraulic integrated driving, in particular to a hydraulic synchronous control system and method based on traveling wave and magnetic field composite driving, the system comprises a plurality of hydraulic cylinders, and each hydraulic cylinder comprises a piston rod assembly and a cylinder barrel; the piston rod assembly comprises a metal push rod on the inner layer, a three-phase winding module arranged around the metal push rod on the middle layer and a lining barrel on the outer layer. Each hydraulic cylinder corresponds to one pressure sensor, one displacement sensor and one controller. The cylinder barrel serves as a secondary conductor, eddy current is generated through traveling wave magnetic field induction, and axial thrust is generated. In a no-load state, the controller switches the current direction to generate auxiliary oil absorption thrust; during loading, current parameters are dynamically adjusted according to displacement, pressure and speed feedback, and synchronous compensation and speed regulation are achieved. The linear motor has the characteristics of high thrust density of a hydraulic system and quick response of the linear motor, and is suitable for high-precision engineering machinery and aerospace hydraulic actuating mechanisms.

The utility model discloses a loader front frame and a loader, and belongs to the technical field of engineering machinery. The loader front frame comprises a front middle beam, a left side box and a right side box, the left side box and the right side box are fixedly arranged at the two ends of the front middle beam respectively in a mirror symmetry mode, and an upper hinge seat and a lower hinge seat which are distributed at intervals are fixedly arranged between the two wing boxes. The side box comprises an inner side plate and an outer side plate, the inner side plate and the outer side plate are parallel to each other, the inner side plate and the outer side plate are both connected to the axle through the rib plate, a double-plate stress side box structure is formed, and meanwhile integrated connection of the front frame and the axle is achieved. According to the double-plate stress structure, the problem that the connecting part is weak due to existing single-plate stress is solved, the rib plates are used for replacing an existing bolt connecting mode, integrated connection of the front frame and the axle is achieved, the overall connecting strength is improved, and the impact load of the whole vehicle and materials is greatly reduced.

The invention belongs to the technical field of engine aftertreatment regeneration, and particularly relates to a regeneration control method of a hydraulic system. The regeneration control method of the hydraulic system comprises the steps that the aftertreatment carbon loading capacity of an engine is obtained; according to the condition that the after-treatment carbon loading capacity is larger than the carbon loading capacity threshold value and the engineering machinery is in the working condition, it is judged that regeneration operation is needed for after-treatment of the engine; acquiring the rotating speed of the engine before regeneration according to regeneration operation required by engine after-treatment; hydraulic system operation parameters before regeneration are obtained according to the fact that the engine before-regeneration rotating speed is smaller than the regeneration required rotating speed; engine regeneration operation is carried out, and operation parameters of the regenerated hydraulic system are obtained; and according to the hydraulic system operation parameters before regeneration and the hydraulic system operation parameters after regeneration, an electromagnetic control valve is controlled to adjust the flow of the hydraulic pump after regeneration to be the same as the flow of the hydraulic pump before regeneration. According to the technical scheme, an execution element of the regenerated hydraulic system is stable, and the reliability is improved.

The invention provides an engineering mechanical equipment remote monitoring system and method based on the Internet of Things, and relates to the technical field of equipment operation monitoring, and the method comprises the steps: carrying out the cross-scale feature response of a dynamic impact signal of engineering mechanical equipment through an intelligent calculation node, and obtaining a frequency domain migration feature and an energy attenuation feature; carrying out gradient operation on the operation thermal field data of the engineering mechanical equipment to obtain heat flow evolution characteristics; utilizing a coupling analysis model dynamics interaction map; performing space-time resonance convolution prediction on node states and edge relations of the dynamic interaction atlas based on the displacement track to obtain a state prediction curve of the engineering mechanical equipment; and according to the state prediction curve and a preset scheduling instruction, an adaptive feedback network is constructed at an edge computing node of the Internet of Things, and then remote monitoring scheduling is performed on the engineering mechanical equipment based on the adaptive feedback network, so that operation state prediction and scheduling closed-loop control of the engineering mechanical equipment can be realized; therefore, the remote monitoring stability of the engineering mechanical equipment is improved.

A construction machine includes a travel actuator, an attachment actuator, a storage, an information obtaining device, and a hardware processor configured to perform braking control of at least one of the travel actuator and the attachment actuator in response to determining that a dangerous situation is going to occur based on information obtained by the information obtaining device and information stored in a database in the storage.

The invention relates to the technical field of engineering machinery, and discloses a telescopic control system and a crane, a first oil way of the telescopic control system is communicated with a rodless cavity, and a second oil way is communicated with a rod cavity. The first balance valve set device is arranged on the first oil way, and the second balance valve set device is arranged on the second oil way. The pilot oil way system comprises an energy accumulator, a first overflow valve and a pilot oil way, the energy accumulator communicates with pilot ports of the first balance valve set device and the second balance valve set device through the pilot oil way, the first overflow valve communicates with the pilot oil way, and the first overflow valve is suitable for starting overflow under the condition that oil pressure in the pilot oil way is larger than preset pressure. The first overflow valve can achieve continuous, stepless and proportional adjustment of oil pressure in the pilot oil way, and by controlling the opening degree of the first balance valve set device and the opening degree of the second balance valve set device, impact between the main arm and the arm pin can be avoided, and crawling or shaking of the main arm can be avoided.

The invention relates to the field of engineering machinery control, and discloses a self-adaptive control system and method for a land ladle overturning machine. The system comprises a multi-mode sensing unit, a central control unit, a hydraulic execution unit and a man-machine interaction terminal, according to the method, dip angle / pressure / visual data are fused in real time, a ladle overturning track is dynamically corrected based on the material gravity center offset, when the overturning probability exceeds a threshold value, progressive hydraulic pressure reduction is started, and an energy consumption feedback model is constructed to optimize execution parameters. The problems that the overturning risk is high and the energy consumption difference is large due to the fact that a traditional ladle overturning machine lacks perception are solved, the abnormal interruption rate is reduced by 76% or above, and the comprehensive energy efficiency is improved to 82%.

The invention discloses a large oil cylinder V-group seal external leakage automatic detection system, which comprises a piston rod, a cylinder barrel, and a V-group seal, a step seal, a Glyd ring and a dustproof ring which are sequentially arranged on the inner surface of the cylinder barrel, and a leakage detection port is arranged between the V-group seal and the step seal; the leakage detection system is composed of a manual ball valve connected with a leakage detection port, a pressure sensor, an electromagnetic ball valve, a detection oil tank and a flow meter. The V-group sealing compression amount adjusting assembly comprises a fixing nut, an adjusting screw rod and a wedge-shaped block, and the adjusting screw rod is rotated to drive the wedge-shaped block to move to achieve stepless adjustment of the compression amount. The control module processes sensor data through an industrial personal computer and controls an execution element. The system can monitor the sealing state in real time and automatically adjust the compression amount, and is mainly used for monitoring and maintaining the sealing performance of the super-long oil cylinder in the fields of large engineering machinery, maritime ships and the like.

The invention discloses a control method and device for a low-temperature clutch of an electric drive gearbox of engineering machinery and a storage medium, and belongs to the technical field of engineering machinery. The real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of the clutch pack; the real-time given current of a starting gear clutch electromagnetic valve is controlled according to the pressure of a clutch pack, and the real-time rotating speed of a driving motor is given according to the rotating speed of the output end of the clutch; performing low-temperature gear shifting in a static state: controlling the real-time given torque of a driving motor to be 0, and controlling the real-time given current combined with a clutch electromagnetic valve according to the pressure of a clutch pack; and low-temperature gear shifting is conducted in the running state, specifically, real-time torque of a driving motor is given according to clutch pack pressure control in combination with real-time given current of a clutch electromagnetic valve and based on the rotating speed difference of the input end and the output end of a clutch, and the smoothness of the starting and gear shifting process is improved.

The invention relates to the technical field of radiator welding, and particularly discloses a welding device for an engineering machinery radiator. Comprising a circular concave shell, the outer side of the circular concave shell is sleeved with and rotationally connected with a first annular electric sliding rail, the outer side of the first annular electric sliding rail is fixedly connected with an auxiliary driving assembly, the top of the first annular electric sliding rail is fixedly connected with a correction angle block, the inner side of the circular concave shell is fixedly connected with an arc-shaped grinding block, and an arc-shaped through hole is formed in the inner side of the circular concave shell; according to the welding device for the engineering machinery radiator, the two round concave shells are used for conducting inner clamping type fixing on the end portions of the main pipe from the two ends of the main pipe, and the situation that when branch pipe butt welding operation is conducted on the main pipe, the main pipe shakes and deflects due to the influence of external force, and the welding effect is affected is prevented; the arc-shaped grinding blocks are arranged on the inner wall of the circular concave shell to grind and flatten the end face of the pre-fixed main pipe, and the situation that the butt welding effect of the branch pipes is affected due to the fact that the end face of the main pipe is uneven when the main pipe is fixed and is integrally in an inclined state is avoided.

The invention relates to a health management method and device for engineering mechanical equipment. The engineering mechanical equipment comprises the system, and the system comprises parts needing to be monitored. The method comprises the following steps: acquiring a monitoring index associated with a part from a pre-constructed index library; acquiring monitoring data related to the monitoring indexes; obtaining maintenance knowledge which is associated with the parts and comprises the monitoring indexes from a pre-constructed maintenance knowledge base, wherein the maintenance knowledge comprises maintenance measures for the parts; determining the risk level of the part based on the monitoring data and a preset risk level threshold; in response to the fact that the risk level of the part is within the maintenance risk level range, a maintenance strategy for the part is determined based on the maintenance measures for the part; and pushing the maintenance strategy for the part so as to execute the maintenance measure for the part.

The invention belongs to the technical field of engineering machinery, and relates to a hydraulic system capable of realizing high-speed pressure relief, which comprises a hydraulic station unit, an execution unit and a valve group, the valve group comprises a releasing module, a pressurizing module and a pressure regulating module; the execution unit comprises a hydraulic cylinder; the release module comprises a pilot-operated release valve and at least three large-flow high-speed switch valves which are connected in parallel, and is used for quickly releasing high-pressure oil of the hydraulic cylinder; the pressurization module comprises a pilot-operated type pressurization valve and at least three large-flow high-speed switch valves connected in parallel and is used for rapidly injecting high-pressure oil into the hydraulic cylinder. The pressure regulating module achieves the constant pressure regulating function on the hydraulic system and achieves the on-off function of a hydraulic cylinder and an oil tank. Through the combination of the unique pilot-operated type one-way valve design and the reverse pressurizing technology, ultra-fast pressure relief response within 1ms is achieved, and meanwhile the stability and reliability of system work are guaranteed. The system is particularly suitable for special occasions where a hydraulic system needs to generate a step excitation signal, such as a gyroscope test turntable and the like.