92 results about "Operational stability" patented technology

The invention belongs to the technical field of electric power, and particularly relates to a multi-agent collaborative dynamic safety regulation and control system for an electric power system, which realizes a task redistribution mechanism based on load and communication capability weighted evaluation by introducing a state monitoring module, an abnormal response module, a capability evaluation module and a priority adjustment module. Therefore, the remaining agents can quickly undertake the task of the fault node according to the own processing margin, and the smooth execution of the high-energy-consumption task is preferentially guaranteed. The mechanism not only improves the response speed of the system, but also enhances the overall operation stability and the resource utilization efficiency. Therefore, compared with the prior art, the method has the advantages that higher task migration success rate and shorter recovery time are shown in the fault scene, and the safety and robustness of the power system under the unsteady state condition are effectively improved.

The invention discloses a micro-grid layered stability control method and system, and relates to the technical field of micro-grid control. Periodic data and instruction signals of upper and lower layer control links of a micro-grid are collected, and reverse adjustment delay amount and an idle stroke deviation value during period switching are calculated; processing to obtain a period difference index and a collaborative adaptation index containing an impact coefficient; analyzing a time sequence action relationship between the period difference index and a micro-grid adjusting link, and calculating a connection deviation coefficient of a control rhythm by counting lagging frequency and amplitude of instruction response; potential problems of a micro-grid control link can be found in advance, stable operation time is prolonged through strategy adjustment when the instability risk is low, maintenance is conducted in time before the risk rises, power failure accidents caused by layered control mismatch are reduced, and the operation stability and reliability of the micro-grid are improved especially for the micro-grid with the high new energy proportion and large fluctuation.

The utility model relates to the technical field of bearing performance tests, in particular to a device for testing durability and dry running performance by simulating the working condition of a bearing. The main shaft is arranged on the shell and is provided with an end part accompanying test bearing, two middle part accompanying test bearings and a test bearing; the first end sleeve sleeves the outer ring of the end part accompanying test bearing; the first universal piece square iron sleeves the outer diameter of the first end sleeve; the radial load loading end portion abuts against the middle lining so as to transmit the radial load to the test bearing through the two middle accompanying test bearings and the main shaft in sequence. The bushing sleeves the outer ring of the test bearing, and a plurality of oil passing holes are uniformly formed in the circumference of the bushing; the second end sleeve is sleeved on the bushing; the axial load loading end portion abuts against the vertical plate so as to transmit the axial load to the test bearing through the second universal piece square iron, the second end sleeve and the lining in sequence. According to the utility model, axial and radial loads can be loaded on the test bearing, a working condition lubrication mode can be simulated in the test process, the operation stability is maintained, and unbalance loading is prevented.

The invention discloses a dynamic interaction system, an interaction execution mechanism and intelligent equipment, and belongs to the technical field of dynamic interaction.The dynamic interaction system comprises the steps that user operation requirements are received, data are collected through a basic platform pressure sensor to generate a matrix, pressure stability is analyzed through a time window, data are processed only in the stable period, and a contact body contour is extracted; and synchronously judging a placement state and generating a calibration signal. The extracted contour is matched with a standard contour feature point, and a precise operation point coordinate and a control instruction are generated in combination with a geometrical relationship and elastic transformation. In the execution link, the execution unit is driven to operate the contact body, and the adjustable unit dynamically compensates the low-pressure area and the supporting area to ensure uniform stress and stability. And the interaction feedback module guides, adjusts and visualizes the state through a multi-modal interface. The scheme improves identification precision and operation stability through dynamic pressure analysis, intelligent contour verification and the like, is suitable for medical, industrial and other scenes, and provides an efficient intelligent solution.

The invention relates to a gas cylinder filling method, an early warning method, an assessment method, a system and a medium in the technical field of industrial safety production. The gas cylinder filling safety assessment method based on voice analysis comprises the following steps: acquiring acoustic data of an operator; and analyzing the acoustic data and calculating to obtain a knowledge proficiency score Spro. And acoustic data are extracted, and a psychological quality score Semo is obtained through calculation. Collecting motion posture data of the gas cylinder and calculating to obtain an operation stability score Ssta; and carrying out weighted fusion on the Stro, the Semo and the Ssta to obtain an assessment score Stotal. And setting a score line based on the assessment requirement, and if the Stotal is greater than or equal to the score line, determining that the operator passes the assessment. According to the invention, through innovative multi-mode assessment, the ability of the operator is changed from feeling-based ability to data-based ability, the final result can be known, and the specific weak link can be known according to the specific condition of each link, so that the psychological quality and emergency response ability of the operator can be effectively assessed.

This utility model discloses a lifting mechanism for a four-way shuttle vehicle, belonging to the technical field of four-way shuttle vehicles. The lifting mechanism adopts a side-mounted layout, including a reversing motor, a reversing gearbox, and a reversing transmission assembly connected to it. Through a combination of shaft transmission, gear transmission, and eccentric wheel transmission, it drives the lifting frames on both sides of the vehicle body to rise and fall synchronously, thereby realizing the lifting and reversing actions of the X-direction traveling wheels. The reversing motor drives the first reversing bevel gear to rotate the main shaft, transmitting power through the reversing transmission gearbox and eccentric wheel structure. The lifting frames are slidably mounted on the vehicle body via guide rails and are equipped with guide columns and guide seats to improve operational stability. This lifting mechanism avoids the space occupied by the traditional centrally located drive shaft, effectively freeing up battery installation area and improving range. It also has advantages such as compact structure, high transmission efficiency, stable operation, and easy maintenance, making it suitable for various working conditions and possessing good versatility and application prospects.

The invention discloses a motion execution mechanism error determination method and device, equipment and a storage medium. The method comprises the following steps: acquiring instruction data corresponding to a motion control instruction of a motion execution mechanism; collecting displacement data of the motion execution mechanism in the process of executing the motion control instruction; and determining the motion error of the motion execution mechanism according to the instruction data and the displacement data. According to the scheme, an error analysis mechanism based on the instruction data and the actual displacement data is introduced, so that the motion performance of the motion execution mechanism is accurately evaluated and quantified. According to the scheme, the positioning precision and the overall operation stability of the motion executing mechanism can be remarkably improved, and the requirements of scenes such as high-precision industrial automation, robot operation and precision machining can be met.

The utility model discloses a nut sealing cap tightening device, and aims to provide a nut sealing cap tightening device which is convenient for continuous batch tightening operation and improves the tightening efficiency. The nut cap sealing device comprises a twisting base, the twisting base is provided with a storage cavity, a cavity opening in one end of the storage cavity is provided with a discharging opening, a muzzle in the other end of the storage cavity is provided with a feeding opening, a plurality of nut cap sealing bodies are slidably connected into the storage cavity, and the twisting base is provided with an anti-skid push rod, a limiting rod and a fixing rod; the limiting rod and the fixing rod are movably connected with the twisting base through the anti-skid push rod, the limiting rod is arranged at the feeding port, and one end of the fixing rod is connected with the nut cap sealing body closest to the feeding port in a pressing mode. The nut sealing cap screwing device has the advantages that the screwing efficiency and the screwing degree of a nut sealing cap are improved through the screwing device; batch tightening operation is realized; the device is compact in structure and convenient to operate; the use convenience of the device is improved; the locking operation stability of the nut sealing cap is improved; and the operation stability and efficiency of the device are improved.

The invention provides workpiece storing and conveying equipment, which relates to the technical field of machining equipment and particularly comprises a bearing frame, a bearing mechanism and a lifting mechanism. The lifting mechanism can slowly release and lift the workpiece, surface scratching and structural damage of the workpiece caused by direct friction and collision between the heavy workpiece and the bearing frame or the bearing piece in the placing process are avoided, the sliding fit piece on the surface of the bearing piece can be in sliding fit with the workpiece so as to reduce moving resistance, the workpiece can be conveyed more stably, and the work efficiency is improved. The anti-skid piece can make contact with the workpiece after the workpiece is completely attached to the containing platform, so that the workpiece can be stably placed on the containing platform, the operation stability and reliability are improved, dependence on a crane and manual fine operation is reduced, then safety risks caused by manual carrying of heavy workpieces are reduced, the feeding and discharging efficiency is improved, and the labor intensity of workers is lowered. The technical problems that in the prior art, safety is poor, efficiency is low, workpieces are prone to being damaged, and manual operation intensity is large are solved.

This application discloses a quick-change abrasive coating nozzle device, including a mounting frame and a nozzle body. The mounting frame is installed on the spraying equipment, and the nozzle body is connected to the mounting frame via a locking part. The mounting frame is provided with a connecting sleeve, and the top of the nozzle body is provided with a mounting sleeve that passes through the connecting sleeve. The locking part includes multiple sets of locking components and a starting ring. The locking components can switch between compressed and expanded states. In the expanded state, they are locked inside the connecting sleeve, and the starting ring is sleeved on the connecting sleeve. Rotation can switch the state of the locking components. A connecting pipe is provided inside the connecting sleeve. One end of the nozzle body is provided with a liquid inlet pipe, and the other end is provided with a nozzle. The connecting pipe is connected to the liquid inlet pipe and a sealing component is provided between them. The connecting pipe is also connected to the spraying equipment. This device can realize tool-free quick disassembly and assembly of the nozzle body, simplifying the replacement process and shortening the replacement time. At the same time, the sealing component reduces abrasive leakage, improves the operational stability of the device, and ensures continuous abrasive coating operations.

The utility model provides detection equipment, which comprises a rotating base body, a rotating shaft, a rotating shaft and a driving device, and is characterized in that a through hole is formed in the rotating base body; the lifting assembly comprises a lifting frame and a plurality of ejector pins, the ejector pins are located in the through holes and used for conducting lifting motion in the through holes, the lifting frame is used for supporting the ejector pins in the ascending process and disengaging from the ejector pins after descending, and the lifting frame and the rotating base body are arranged in a separated mode. The operation stability of the detection equipment is improved.

This invention relates to the field of synchronous control technology and discloses a multi-cylinder synchronous lifting control system based on dual feedback of displacement and pressure. The invention aims to solve the technical problems of low synchronization accuracy and unstable operation caused by adjustment lag in existing displacement feedback synchronous control systems. This invention collects displacement and pressure data from each lifting unit in real time, generates basic control commands for error correction based on displacement deviation, and generates pressure compensation commands for load prediction based on pressure deviation. These two commands are then superimposed into a composite control command, achieving precise control of each unit. By combining displacement feedback and pressure compensation, this invention achieves proactive response to load changes, effectively suppresses adjustment lag, and thus improves the synchronization accuracy and operational stability of the system.

This invention discloses a design method for marine energy utilization blades and the designed impeller. Based on a spherical profile lift-drag combined design concept, the marine energy utilization blade consists of a helical blade and two booster blades, one at the top and one at the bottom. The helical blade is determined by the initial airfoil line along the scanning path of the helical blade. The two booster blades are respectively connected to the upper and lower ends of the helical blade, and are determined by a bucket-shaped profile along the spherical arc guide line. The impeller consists of three sets of blades, a central shaft, and two end plates, all connected spherically. The three sets of blades are evenly distributed on the spherical profile. The central shaft is connected to the upper and lower end plates, providing support for rotation. The upper and lower end plates provide support and fixation, and are connected to the power generation device. This invention's impeller can achieve efficient and stable operation in omnidirectional low-velocity flow environments such as deep seas, and has advantages such as omnidirectional response to unpredictable ocean currents, high self-starting capability and operational stability, and optimized structural parameters for efficient operation.

This invention belongs to the field of sanitation equipment technology and discloses a buffer device for front spraying of a sweeper truck suitable for various operating conditions, as well as its working method. The device includes a suspension assembly, a self-resetting buffer assembly, a spraying assembly, a protective assembly, and a height adjustment assembly. The height adjustment assembly drives overall height adjustment. The self-resetting buffer assembly adopts a four-bar structure consisting of a pull rod, a one-way pressing cylinder, and a self-resetting bracket. The one-way pressing cylinder has a one-way flow control structure inside, creating different damping characteristics in the pressure and rebound directions, achieving impact buffering and automatic reset functions. Simultaneously, through asymmetrical adjustment of the pull rod length, the device has a larger lever arm and lower trigger load on the high-frequency collision side, adapting to the actual working conditions of edge-following operations. This invention has a reasonable structure, enabling rapid avoidance and automatic reset under relatively small impact loads, effectively reducing structural damage and skewing risks, reducing maintenance frequency, and improving the operational stability and service life of the sweeper truck.

The invention provides an end-bottom integrated equipment bracket capable of replacing parts. The end-bottom integrated equipment bracket comprises a left end bracket, a right end bracket and a bottom bracket, the left side end support comprises a left diagonal draw bar, a first side draw bar and a first main beam lower connecting lug piece. The right side end support comprises a right diagonal draw bar, a second side draw bar and a second main beam lower connecting lug piece. The left side end support and the right side end support are symmetrical about the central axis of the equipment support. The bottom support comprises a first long rod, a second long rod, a left inclined rod, a right inclined rod, an equipment small bracket, a connector lug, a two-pipe connector, a three-pipe connector and a middle connector lug. According to the equipment support, the end supports on the two sides and the bottom support are combined into a whole, the repeated supporting part is omitted, the weight of the equipment support is reduced, and the positive influence on the flight performance and operation stability of an aircraft is achieved.

The invention discloses a hollow composite insulator injection explosion-proof device, and relates to the technical field of hollow cylinder explosion-proof devices, the hollow composite insulator injection explosion-proof device comprises an infrared sensor and a supporting module, the supporting module is connected with the infrared sensor through a signal line, and the supporting module comprises an inner supporting plate, an outer supporting plate, a push rod, a supporting motor, a push block and a rotating nut. The rotating nut is connected with the supporting motor through a connecting shaft, the push block is connected with the rotating nut through a push rod, and the supporting motor is connected with the infrared sensor through a signal line. By installing the supporting module, the function of supporting and fixing the hollow column body is achieved, the problems that holes appear in the defect position of a material and deformation or cracking occurs when the hollow column body is punched are solved, stress generated in the machining process can be dispersed, damage caused by insufficient local strength of the hollow column body is avoided, and the service life of the hollow column body is prolonged. The surface shape and uniformity of the hollow cylinder can be maintained, and the long-term operation stability of the hollow cylinder is improved.

The utility model discloses a novel anti-falling device with high stability, which belongs to the technical field of anti-falling devices and comprises a flexible guide rail and a clamping mechanism. The clamping mechanism comprises a first mounting plate, a clamping block and a lifting adjusting assembly, the first mounting plate is movably connected with the flexible guide rail through a first movable hole formed in the shaft portion of the first mounting plate, and a plurality of sliding grooves are formed in the first mounting plate; the clamping blocks are connected with sliding blocks, the side portions of the sliding blocks are connected with protrusions, the clamping blocks are connected into the sliding grooves in a sliding mode through the sliding blocks and the protrusions, the cross section of the side portion, close to the flexible guide rail, of each clamping block is in an arc shape, and the arc shape is matched with the peripheral size of the flexible guide rail. The lifting adjusting assembly is connected with the clamping block and used for adjusting the clamping block to be close to or away from the flexible guide rail. According to the design, the high-altitude operation personnel can be prevented from falling during working, the structure is simple, operation is convenient, and stability is high.

This invention relates to the field of stacker crane technology, specifically to a stacker crane column adaptive balancing and off-center load adjustment device, comprising a horizontal track, a horizontal moving platform, a vertical track, a vertical moving platform, and a loading platform. The vertical moving platform is equipped with an adjustment mechanism for adaptively adjusting off-center load. The adjustment mechanism includes a U-shaped tube installed inside the vertical moving platform, with its two open ends facing the surface of the vertical track. This invention addresses problems such as tilting of the vertical moving platform, unilateral wear of the track, and unstable operation caused by off-center load on the loading platform by incorporating an adaptive adjustment system within the vertical moving platform. When off-center load causes tilting, a gravity pendulum drives a piston inside the U-shaped tube via a connecting rod to generate a pressure difference, thereby controlling the rotation of the pressure plate and dynamically adjusting the pressure distribution of the upper and lower pulleys on the vertical track, generating a reverse torque to counteract the off-center load effect in real time. Real-time dynamic balancing can be achieved without external control, effectively suppressing tilting, equalizing wear, and improving operational stability and accuracy.

This invention relates to the field of ultra-low-altitude aircraft technology, specifically to a flying scooter, comprising a flight propulsion unit, a cockpit, a landing gear assembly, and a control unit. The landing gear assembly includes multiple landing gear legs and is located below the cockpit. The control unit is electrically connected to both the flight propulsion unit and the landing gear assembly. The flying scooter includes a flight state in which the landing gear legs can extend and retract axially. The bottom ends of the landing gear legs contact the ground, and the top ends of the landing gear legs connect to the bottom of the cockpit to measure the distance between the cockpit and the ground in real time. The control unit controls the flight propulsion unit according to the distance; when the distance increases, the propulsion unit reduces its power; when the distance decreases, the propulsion unit increases its power. This solves the problems of poor operational stability and low passenger comfort in flying scooters.

According to the technical scheme, a base plate is fixedly arranged in a machine shell of the riveting machine, a button feeding push rod, a clamping component and a releasing mechanism are arranged on the base plate, when the button feeding push rod is driven to feed buttons, the clamping component arranged in a matched mode clamps the button stably and then sends out the button, and meanwhile the button feeding push rod is driven to feed the buttons. The clamping component opens the feeding port through the releasing mechanism to conduct button connecting, specifically, the releasing mechanism abuts against the clamping part to widen the feeding port to conduct button connecting, button connecting can be stable when the feeding port is in the widening state, sewing buttons are conveyed into the feeding port through the mechanical vibration disc, and after button connecting is conducted through the feeding port, the button conveying push rod pushes the sewing buttons to be discharged. According to the button feeding mechanism, the button can be stably pushed through the clamping component, meanwhile, the clamping component is released through the releasing mechanism, stable operation is further achieved, and the button feeding mechanism has the advantage of being high in working stability.

This utility model provides a control host for a wireless water-air two-phase spray dust suppression device in mines, belonging to the field of mine safety and environmental control technology. It includes a supporting mechanism comprising a fixing component, a base mounted on the fixing component, and a mounting block mounted on the base; a spraying mechanism mounted on the supporting mechanism for performing water-air two-phase spraying operations; and a control component including a controller and a connector, the controller being electrically connected to the spraying mechanism for controlling spraying parameters. This utility model, by incorporating a controller with wireless communication capabilities, a modular and detachable connection structure, and a standardized interface, improves the adaptability, system compatibility, and ease of maintenance of the control host in complex mine environments, effectively solving the technical problems of low intelligence, poor operational stability, and limited applicability of traditional mine spray dust suppression control equipment.

The invention relates to the technical field of machine installing boxes, in particular to a full-automatic lining machine installing box which comprises a lining forming part, and the upper portion of the lining forming part is sequentially provided with a transplanting material taking part, a bottle conveying part, a lifting grabbing part and a rotating swing arm from left to right. The feeding and conveying part is mounted on one side of the lining forming part, and the box frame part, the pushing part, the box pressing part, the box carrying part and the box discharging part are sequentially mounted on the upper portion of the other end of the feeding and conveying part. According to the full-automatic lining machine installing box, the high-performance servo motor is adopted for driving, the stability of the whole operation process is guaranteed, rapid and accurate grabbing and placing operation of bottles is achieved, and the production efficiency and the operation stability are remarkably improved.

The invention discloses a load power control method for a horizontal spiral discharging filter type centrifugal machine, relates to the technical field of automatic control of separation machinery, and aims to solve the problems that real-time dynamic power adjustment and operation efficiency improvement are difficult to realize, and adjustment and control lag and load deviation exist. The continuous discharging pressure of the horizontal spiral discharging filtering type centrifugal machine is detected, abnormal pressure is recognized based on a preset pressure threshold value, the number of intervals of the abnormal pressure is counted, the pressure abnormal ratio is calculated by combining the preset total duration and the low-pressure duration of the discharging process of the total discharging time, and the filtering mode is judged to be a low-pressure low-frequency type or a low-pressure high-frequency type. And when the centrifugal machine is in the low-voltage high-frequency type, the discharging efficiency is analyzed and the regulation and control proportion is calculated by combining the filtering area and the outlet flow change amplitude, whether the load power is increased or not is judged according to the regulation and control proportion, and dynamic regulation and control of the power are achieved, so that the discharging efficiency and the operation stability of the centrifugal machine are effectively improved.

This application relates to a grounding ring installation device, including a control box, a traveling mechanism, a wire stripping mechanism, and an installation mechanism. The traveling mechanism, wire stripping mechanism, and installation mechanism are all located in the control box. The installation mechanism includes a fixing component and a locking component. The fixing component is used to fix the grounding ring. The locking component includes a first driving member, a transmission module, and multiple locking cylinders. The first driving member is connected to the multiple locking cylinders through the transmission module. The first driving member drives the multiple locking cylinders to move synchronously, thereby simultaneously locking multiple nuts onto the grounding ring. Using an installation mechanism to achieve synchronous locking of multiple nuts ensures uniform force distribution, solves the problem of inconsistent tightness caused by traditional manual sequential tightening, and improves grounding conductivity and long-term operational stability. Furthermore, it helps to shorten the nut installation time and improve nut installation efficiency.

To provide an elevator governor and elevator with excellent operational stability and reliability. [Solution] In a disc-type speed governor 50 in which the flyweight 53A rotates due to the centrifugal force caused by the rotation of the sheave 52, the engaging claw 54 rotates and engages with a ratchet 56 which is arranged coaxially with the sheave 52, causing the ratchet 56 to rotate integrally with the sheave 52 and activating a rope gripping mechanism which is operatively connected to the ratchet 56, the flyweight 53A and the engaging claw 54 are arranged on either side of the disc surface of the sheave 52 and are integrated via a shaft 55 which is inserted through a through hole 52b formed in the disc surface, and rotate integrally with the shaft 55 as the axis of rotation.

The invention relates to the technical field of ultra-low-altitude aircrafts, in particular to a flying ball vehicle which comprises a flying power device, a cabin, an undercarriage device and a control device, the undercarriage device comprises a plurality of undercarriage supporting legs and is arranged below the cabin, and the control device is electrically connected with the flying power device and the undercarriage device; the flying ball vehicle comprises a flying state, in the flying state, landing gear supporting legs can stretch out and draw back in the axial direction, the bottom ends of the landing gear supporting legs make contact with the ground, and the top ends of the landing gear supporting legs are connected with the bottom of the cabin so that the spacing distance between the cabin and the ground can be measured in real time; and the control device is used for controlling the flight power device according to the spacing distance, controlling the flight power device to reduce power when the spacing distance is increased, and controlling the flight power device to improve power when the spacing distance is decreased. In this way, the problems that in the running process of the flying ball car, the running stability is poor, and the comfort of passengers is low are solved.

This application relates to a palletizing elevator, specifically in the technical field of palletizing and lifting. The palletizing elevator includes a frame and a handling device. The handling device includes: a conveyor line for placing and conveying boxes; a horizontal handling device, inserted into both ends of a plastic box and handling the plastic box along the direction of movement of the conveyor line; and two vertical handling devices located on both sides of the conveyor line and spaced apart perpendicular to the length of the plastic box. The two vertical handling devices are inserted into the opposite side walls of the plastic box and vertically handle the plastic box, enabling the plastic box to move between the conveyor line and the horizontal handling device. This application saves time during the handling process by simultaneously activating the horizontal handling device and the two vertical handling devices to handle the plastic box. Furthermore, the device engages with the side walls of the plastic box during transport for positioning, thereby improving the stability during transport and enhancing the conveying efficiency and operational stability of the palletizing elevator.

This disclosure provides an intelligent air separation method and system. The intelligent air separation method includes: determining a target operating condition based on key operating parameters of the air separation system; wherein the key operating parameters include at least hydrogen concentration and load rate; determining feasible air separation operation modes within the target operating condition based on data support and operational stability; wherein data support is used to characterize the number of valid samples for the key operating parameters, and operational stability is used to characterize the standard deviation of hydrogen concentration; performing smoothing optimization on air separation control commands for feasible air separation operation modes across operating conditions; and performing air separation operation according to the smoothed and optimized air separation control commands. This disclosure reduces reliance on operator experience through automated operating condition identification and parameter optimization mechanisms, improving practicality and scalability. Furthermore, while ensuring safety and stability, it extends the maintenance cycle of air separation equipment and reduces maintenance costs through refined control optimization of energy consumption indicators.

The invention discloses a flexible rule with a grab handle integrated control unit and a rule band exit area illumination function, and belongs to the field of measuring tools. The measuring tape comprises a shell (1), a tape band (2) and a grab handle (3) arranged on the shell (1) in a protruding mode. A first operating piece (4.1) used for triggering the braking device (4) and a second operating piece (5.1) used for starting and stopping the lighting module (5) are integrated on the surface of the grab handle (3); and a light-emitting unit (5.4) of the lighting module (5) is arranged in an outlet area of the tape. According to the invention, the core control function is highly integrated on the grab handle according with ergonomics, and the illumination of the exit area of the tape is realized, so that a user can complete a series of operations such as illumination, measurement and brake locking with a single hand without changing the holding posture in a dark environment, and the measurement efficiency, the operation stability and the operation safety are remarkably improved.

The utility model discloses percutaneous operation intervention equipment based on four-axis inner double-point dynamic constraint, which comprises a base, four groups of connecting arms and an adjusting table, the connecting arms are uniformly distributed between the base and the adjusting table, two ends of each connecting arm are respectively in spherical hinge connection with the base and the adjusting table, the base is provided with a positioning piece, and the positioning piece is arranged on the adjusting table. The center position of the adjusting table and the positioning piece are both connected with ball joints, and intervention tools are arranged on the two ball joints in a penetrating mode. The method has the advantages of avoiding the deviation of an intervention tool and improving the stability and accuracy of intervention operation.