365results about How to "Avoid safety accidents" patented technology

The invention provides a supporting leg system and an engineering machine. The supporting leg system comprises a supporting leg box, the supporting leg mechanism comprises a first supporting leg arm, a second supporting leg arm, a rotary driving part and a telescopic driving part, the first supporting leg arm is hinged to the supporting leg box, and the second supporting leg arm is arranged in the first supporting leg arm in a penetrating mode; the rotation driving piece and the telescopic driving piece are both electrically connected with the controller, and the controller is configured to obtain a supporting leg control instruction; under the condition that the supporting leg control instruction is obtained, the rotation driving part is controlled to drive one arm of the supporting leg to rotate relative to the supporting leg box according to the supporting leg control instruction; acquiring an avoiding angle range, a driving angle range and a current angle of one arm of the landing leg; when it is determined that the current angle is within the avoiding angle range, the telescopic driving part is shut down; and under the condition that the current angle is determined to be within the driving angle range, the telescopic driving part is controlled to perform telescopic driving according to the current angle. The safety of the landing leg system can be improved while the large span is achieved.

This utility model relates to a multi-segment adhesive cutting device, including a frame, a cutting component for cutting the outer layer of copper busbars or cables, a clamping component for holding the copper busbars or cables, a moving component for controlling the movement of the cutting component, and a bracket for supporting the copper busbars or cables. The cutting component is connected to the frame via the moving component, and the bracket is connected to the frame. The moving component is disposed within the frame. The cutting component includes a cutting fixed frame, an upper cutting unit, a lower cutting unit, and a transverse cutting unit. The cutting fixed frame and the moving component are fixedly connected. The upper cutting unit is disposed at the upper end of the cutting fixed frame, the lower cutting unit is disposed at the lower end of the cutting fixed frame, and the transverse cutting unit is disposed at the front end of the cutting fixed frame. The design of this utility model can not only achieve circumferential cutting of copper busbars or cables, but also achieve transverse cutting of copper busbars or cables, and is not limited to stripping the outer layers at both ends of the copper busbars or cables, thus improving the versatility of the device in use.

This invention belongs to the field of iron and steel smelting technology, and particularly relates to a protective device and manufacturing method for a converter movable fume hood lifting lug. It includes lifting lugs and a movable fume hood. The lifting lugs are welded to the movable fume hood. A protective cover with an internal interlayer, matching the outer contour of the lifting lug, is hung on the outside of the lifting lug. The two sides of the interlayer of the protective cover are connected by ribs. Several V-shaped anchoring nails are welded to the interlayer wall of the protective cover. Refractory grout is filled into the interlayer of the protective cover. Asbestos is laid between the protective cover and the lifting lug. One end of the protective cover is welded to the movable fume hood. Several round rod hanging lugs are welded to both sides of the protective cover, and the upper ends of the round rod hanging lugs are hung on the lifting lugs. This invention isolates the lifting lug from the heat source through the protective cover, preventing the lifting lug from being burned. While the protective cover is fixed to the lifting lug and the movable fume hood, it reduces the contact area, thereby reducing heat transfer.

The present application relates to the technical field of adsorption control, in particular to an intelligent control method and control system for an adsorption machine based on outlet concentration feedback, comprising: obtaining outlet concentration information in an outlet concentration sensor, tower pressure difference information of each adsorption tower, feedback state information of each valve, running state information of a blower, desorption temperature information in a desorption temperature sensor, and adsorption cycle time information recorded by a timer, the outlet concentration information being used to indicate the current outlet gas concentration of the adsorption machine; determining whether the adsorption machine needs to switch adsorption according to the outlet concentration information. The present application automatically determines whether the adsorption tower needs to be switched by real-time monitoring of the outlet concentration and comparing with a first preset concentration threshold, thereby avoiding emission exceeding the standard due to saturation of the adsorbent; the whole switching process adopts step-by-step timing and valve state feedback closed-loop control, thereby ensuring continuous and stable operation of the adsorption machine under different loads and significantly reducing the concentration fluctuation of the product gas.

The utility model provides a kind of assembly T beam negative bending moment tensioning construction work frame, left front and left rear retractable chain are pulled to left front and left rear movable guardrail right upper, and then left movable guardrail and bottom left movable platform are pulled to right upper, so that left movable guardrail is close to front and rear fixed guardrail right upper, bottom left movable platform is rotated into inclined state right upper, right front and right rear retractable chain are pulled to right front and right rear movable guardrail left upper, and then right movable guardrail and bottom right movable platform are pulled to left upper, so that right movable guardrail is close to front and rear fixed guardrail left upper, bottom right movable platform is rotated into inclined state left upper, folding is realized, and then assembly T beam wet joint position can be lowered, and it can be unfolded after being lowered.The utility model can eliminate safety risk, prevent the occurrence of safety accident, and ensure that assembly T beam negative bending moment tensioning construction work is carried out normally and safely.

The invention relates to the technical field of enameled round wire processing equipment, and discloses an enameled round wire anti-pinch winding reel guiding and limiting structure which comprises a workbench, the top of the workbench is fixedly connected with a deviation rectifying mechanism, and the deviation rectifying mechanism is used for conducting real-time guiding and deviation rectifying on an enameled round wire in the winding process to prevent uneven winding or wire clamping. The top of the workbench is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with a limiting mechanism, the limiting mechanism is used for conducting internal tight supporting and fixing and rotary driving on a winding reel and adapts to installation of winding reels of different specifications, and the top of the workbench is fixedly connected with a cutting mechanism. An electric push rod drives a connecting rod to drive a first sliding block to slide in a first fixing frame, then a deviation rectifying roller is driven to do horizontal reciprocating motion, the problem that in the traditional wire winding process, wire accumulation or uneven gaps are likely to occur is solved, the tightness and uniformity of wire arrangement on a winding reel are guaranteed, and the production efficiency is improved. And the overall production quality of the product is improved.

The application provides a leakage oil treatment method for a safety disc brake of an aerial passenger device, which mainly adds a structure for preventing oil leakage on a piston and a cylinder cover, and cooperates with a cylinder to collect the leakage oil, so as to solve the problem that the brake slips and loses braking force when working due to the leakage of pressure oil on the brake disc; the application sets an oil inlet leakage oil collection pool on the piston to collect the leakage oil at the oil inlet, sets an oil seal leakage isolation groove to accumulate the leakage oil, sets a residual oil pool on the cylinder cover to collect the leakage oil at the oil seal, and cooperates with the cylinder to discharge the leakage oil without contaminating the brake disc, so that the safety disc brake of the aerial passenger device cannot lose braking force due to the overflow of the leakage oil; and the application realizes the safety disc brake of the aerial passenger device without leakage and with high reliability by using a smaller cost.

This utility model relates to the field of valve body technology, and in particular to an impact-resistant high-temperature and high-pressure valve body, comprising a valve body and an impact-resistant plate. The inner wall of the valve body has an inlet chamber and a drain chamber, which are connected. A limiting groove is formed in the inner wall of the inlet chamber, and the impact-resistant plate abuts against the limiting groove, with its outer peripheral wall in sliding contact with the inner wall of the limiting groove. Multiple flow holes are formed on the outer wall of the impact-resistant plate, with the diameter of the flow holes increasing from the middle to both ends. In this utility model, by setting up the impact-resistant plate, the impact force of the fluid is transferred from the inner wall of the valve body to the impact-resistant plate, avoiding direct impact on the valve body. The design of the flow holes with increasing diameter from the middle to both ends reduces the flow velocity and disperses the pressure when the fluid passes through, further reducing the impact of the fluid on the valve body, preventing fatigue, wear, and cracks in the valve body material, extending the service life of the valve body, and ensuring safe operation of the equipment.

This application relates to a short-circuit detection device for battery cells in a winding machine, belonging to the field of battery cell detection technology. To solve the problem of short-circuited battery cells occupying processing time, it includes a detection mechanism arranged on one side of the cold pressing plate of the winding machine. The detection mechanism includes a support frame, a transverse carrier plate, a lifting drive cylinder, a detection plate body, and a detection probe assembly. The support frame is arranged on one side of the cold pressing plate, the transverse carrier plate is arranged on the support frame, the lifting drive cylinder is vertically connected to the transverse carrier plate, and the piston end of the lifting drive cylinder is connected to the detection plate body. The detection probe assembly includes positive electrode detection probes and negative electrode detection probes, which are distributed on the end face of the detection plate body. The support frame is provided with a transverse movement mechanism for driving the transverse carrier plate. This application effectively ensures that short-circuited battery cells are effectively identified and rejected before hot pressing, preventing short-circuited battery cells from occupying hot pressing equipment time and significantly improving production efficiency.

This invention discloses a method for coordinated unloading-support-filling roadway protection in a longwall mining face of a steeply inclined coal seam. The method includes: arranging pre-reinforcing anchor bolts and cables at certain intervals in the transport roadway to reinforce the transport roadway in advance; pre-excavating a gap in the upper side of the transport roadway by blasting, and adding reinforcing anchor bolts and cables to the cross-section of the pre-excavated gap; arranging pressure-relief boreholes at certain intervals in the center of the coal seam roof at the pre-excavated gap, and implementing pressure-relief blasting after the support is moved; using I-beams and retractable modular roadway protection supports as the first and second layers of rock-blocking support, respectively; filling and sealing the goaf area above and on the sides of the retractable modular roadway protection supports with local filling materials; and arranging single hydraulic props for delayed support at a certain distance from the coal wall of the lagging face inside the roadway along the goaf. This method provides good support, significantly increases the speed of roadway retention in a longwall mining face of a steeply inclined coal seam, and effectively ensures safe and normal production.

This invention discloses a method, system, device, and storage medium for predicting oil pipe corrosion rate based on a PCA-PSO-SVR hybrid model, specifically including the following steps: S1 Collecting corrosion detection data and operating condition parameters of the oil pipe to form a dataset; S2 Preprocessing the dataset; S3 Using the PCA model to perform dimensionality reduction on the dataset and extracting the main features affecting the corrosion rate; S4 Initializing the parameters of the PSO model; S5 Optimizing the parameters of the SVR model using the PSO model; S6 Constructing a corrosion rate prediction model based on the optimized SVR model; S7 Inputting the preprocessed dataset into the corrosion rate prediction model to obtain the prediction result and complete the prediction.

The invention discloses a power battery module for a new energy electric vehicle and a cooling control method of the power battery module. The plurality of battery cell fixing positions are respectively arranged on the battery cell lower pressing plate at equal intervals in an array manner along the transverse direction and the longitudinal direction; one end of each battery cell is arranged on the corresponding battery cell fixing position in a matched manner; the water channel mechanism is arranged in a hole between two adjacent rows of battery cells and is in close contact with the battery cells, and the water channel is distributed in an S shape among the plurality of battery cells; the two connecting ports are respectively arranged at the two ends of the water channel in a communicating manner; and the battery cell upper pressing plate is arranged at the tops of the plurality of battery cells in a matching manner. The plurality of battery cells are integrated together, and the temperature of the battery cells is adjusted through the water channel mechanism, so that the problem of non-uniform local heat dissipation of the battery module is solved. The invention further discloses a cooling control method for the power battery module of the new energy electric vehicle.

The application provides a transmission rope controller, which comprises a pulley block and a woven rope arranged on the pulley block, the pulley block comprises a fixing frame, a first connecting shaft and two pulleys, the fixing frame is used for being fixed to a tower body, a driving mechanism is arranged on the fixing frame, the driving mechanism has a rotating part, the first connecting shaft is rotationally connected to the fixing frame through a first rotating shaft, the axial direction of the first rotating shaft is perpendicular to the axial direction of the first connecting shaft, and the first rotating shaft is coaxially connected with the rotating part, the two pulleys are rotationally connected to opposite ends of the first connecting shaft, the axial direction of the pulleys is parallel to the axial direction of the first rotating shaft, and the transmission rope controller further comprises a pull rope assembly arranged on a traction section of the woven rope, and the pull rope assembly has a limiting hole for the tail section of the woven rope to penetrate. The transmission rope controller provided by the application adjusts the spacing between the traction section and the tail section through the driving mechanism, so that the safety accidents caused by tool falling are prevented.

The utility model provides a multi-station press machining system, and belongs to the technical field of machining equipment. The problem that in the prior art, a press is low in automation degree is solved. The multi-station press machining system comprises a rack and a rotating station module connected to the rack, and the rotating station module comprises a rotating disc and a power assembly used for driving the rotating disc to rotate in an indexing mode; the at least two workpiece fixing modules are connected to the rotary table, and each workpiece fixing module is provided with a machining station used for containing a workpiece; the stamping execution module is connected to the rack, and the stamping execution module comprises a stamping execution piece and a stamping driving piece used for driving the stamping execution piece to move up and down in the vertical direction; and the at least one workpiece transfer module is connected to the rack, and the output end of the station transfer module is provided with a clamping jaw used for feeding unmachined workpieces and discharging machined workpieces. The device has the advantages of high efficiency and automation.

The application discloses an automatic medicine pouring and residual medicine cleaning device and relates to the technical field of ammunition processing equipment. The device comprises a device frame, a multiple-speed chain fixture disc, a transition mechanism, two groups of row frame manipulators, a medicine knocking mechanism, a medicine brushing mechanism, a vibrating screen and a weighing detection mechanism, wherein the two groups of row frame manipulators are respectively connected with end effector one and end effector two. The device adopts a three-stage cleaning process of "turning and pouring medicine + pneumatic hammer knocking medicine + anti-static brush brushing medicine", cooperates with anti-explosion weighing detection and automatic rejection of unqualified products, and realizes full-process automation of cartridge processing. The application realizes man-machine isolation operation, fundamentally eliminates the safety risk of abnormal firing of a primer, greatly improves production efficiency and completeness of residual medicine cleaning, and lays a foundation for unmanned production of ammunition processing.

This invention relates to a vacuum extractor that improves extraction performance through a vacuum treatment unit, which improves extraction performance by recovering extracts contained in the air drawn in when a vacuum is generated. The vacuum extractor includes: an extraction chamber for extracting extracts from a raw material using a solvent; a chamber heating unit for heating the extraction chamber with a heat medium to improve extraction performance by heating the raw material; and a vacuum treatment unit for generating a vacuum in the extraction chamber to facilitate extraction of the extract from the raw material, while simultaneously recovering the extracts contained in the drawn-in air using a vacuum pump. The vacuum treatment unit includes: a first cooler for cooling the air and recovering the extracts when a vacuum is generated in the extraction chamber using a vacuum pump; a cyclone tank for generating a cyclone and recovering the extracts contained in the air passing through the first cooler; a second cooler for further cooling the extracts contained in the air passing through the cyclone tank and recovering the extracts; and a recovery tank for storing the extracts recovered from the second cooler.

The utility model discloses a pneumatic valve control device based on an air storage tank and an air source amplifier, and relates to the field of pneumatic valve control devices. A traditional pneumatic valve lacks an effective emergency gas supply guarantee mechanism, the valve cannot be closed rapidly, personnel safety and the production environment are greatly threatened, large resistance exists in the gas transmission and control process, and valve opening and closing response is slow. The pneumatic valve comprises an air filtering pressure reducing valve, an electric valve positioner, a first air source amplifier, a second air source amplifier, a pneumatic actuator, a limit switch, an air storage tank, an electromagnetic valve, a first pneumatic valve, a second pneumatic valve and a valve body. According to the device, the air inflow can be adjusted according to system requirements, stability and accuracy of valve action are guaranteed, quick response of the valve action is achieved, when a gas cut-off fault occurs, a standby gas source of the gas storage tank is automatically switched, the valve is driven to be quickly and accurately closed, and safety accidents possibly caused by out-of-control of the valve are effectively prevented.

The present application provides an inspection well monitoring system, which comprises a smart monitoring device for being installed on an inspection well cover and a shape adapter for being installed on a base frame matched with the inspection well cover. The smart monitoring device comprises a pressure sensor configured to work in cooperation with the shape adapter to detect whether the inspection well cover is present on the base frame. The inspection well monitoring system can be installed by an operator on site or off site without entering a limited space in the inspection well. The present application not only can prevent accidents caused by dangerous factors existing in the limited space, but also can significantly reduce the time and labor cost required for installation.

The application discloses a kind of electric shovel slewing vertical shaft devices, including slewing vertical shaft, shaft sleeve, slewing pinion, bearing, the shaft end baffle fixed in the lower end of slewing vertical shaft by coupling bolt and pressure sensing system, pressure sensing system includes power module, wireless transmitting module and wireless receiving module, each bolt hole on the shaft end baffle is provided with a pressure sensor, power module is fixed on the bottom surface of shaft end baffle, pressure sensor is electrically connected to power module and is connected with wireless transmitting module, wireless receiving module is arranged on the slewing platform of electric shovel, wireless transmitting module is communicatively connected to wireless receiving module, wireless receiving module is communicatively connected to alarm device arranged in the cab of electric shovel.The application monitors the state of coupling bolt in real time through pressure sensing system, when monitoring that coupling bolt loosens, alarm signal is formed in the cab of electric shovel, avoid safety accident to occur, improve the safety of equipment.

The utility model discloses a blocking finger drive arrangement of electro -hydraulic servo numerical control bending machine belongs to electro -hydraulic servo numerical control bending machine technical field, including base, be provided with hydraulic cylinder on the base, and hydraulic cylinder drive crossbeam moves on the base before and after, be provided with mounting seat on the crossbeam, be provided with blocking finger on the mounting seat, the blocking finger moves laterally on the crossbeam, and the blocking finger is positioned on the mounting seat through the insertion rod. The utility model solves the existing electro -hydraulic servo numerical control bending machine when bending the sheet metal part, need staff to adjust the blocking finger position manually, but there is a security risk in the manual adjustment process, and the security accident is easy to take place, and make the sheet metal part processing precision low problem. The motor drive screw rotation of the utility model can make the blocking finger move laterally, and the hydraulic cylinder drive crossbeam can make the blocking finger move before and after, need not staff to adjust the position of the blocking finger manually, can reduce the security risk and avoid the security accident to take place, can promote the sheet metal part processing precision.

The utility model discloses a mechanical load test device for a charging interface, which comprises a case with an inner cavity and a machine table connected to the side wall of the lower part of the case, a jig is rotatably arranged on the side wall of the upper part of the case, and a charging gun with a cable is mounted on the jig. A driving mechanism connected with the jig is arranged on the inner wall of the machine box, a lifting table is arranged on the top face of the machine table in a lifting mode, and a force application assembly and a clamping assembly connected to the upper portion of the force application assembly are placed on the lifting table. According to the utility model, the charging gun is installed through the clamp, a charging interface load test is carried out on the charging gun through the force application assembly after the cable of the charging gun is clamped by the clamping assembly, and the cable can be stably fixed by the clamping assembly, so that the cable is not easy to fall off, safety accidents are avoided, and the test efficiency is improved.

This invention relates to the field of alumina production technology, specifically to a chute scaling removal system. The system includes a feed pipe and a chute. The feed pipe is mounted on and communicates with the chute. An inner scraper and an outer scraper are installed inside the chute. The inner scraper is slidably connected to the inner wall of the chute, and the outer scraper is also slidably connected to the inner wall of the chute and simultaneously to one side of the inner scraper. A transmission mechanism is installed at the upper end of the outer scraper, and this transmission mechanism is connected to both the inner and outer scrapers to move and clean the scaling on the chute surface. This invention offers reliable performance, flexible operation, and simple cleaning. It can efficiently, safely, and environmentally friendly prevent chute blockage, ensure stable long-term production operation, alleviate scaling, solve production pain points, significantly improve work efficiency, reduce worker labor intensity, and prevent safety accidents.

The utility model belongs to the technical field of building construction, and discloses an assembly type stair shaping protection device which comprises an assembly type building staircase, a combined type supporting frame is detachably installed at a hole opening of the assembly type building staircase, and the combined type supporting frame is composed of four stand columns and two transverse rods. A safety protection net is installed on the stand columns, the safety protection net is located above a hole of the assembly type building staircase, the safety protection net is composed of a protection net frame and a protection net body, threaded caps are installed on the stand columns, the safety protection net is installed on the stand columns through the threaded caps, and embedded bolts are embedded in the assembly type building staircase. And threaded cylinders corresponding to the embedded bolts are rotationally installed at the bottoms of the stand columns, the threaded cylinders are matched with the embedded bolts, the stand columns are detachably installed on the fabricated building staircase through the threaded cylinders and the embedded bolts, and clamping holes are formed in the stand columns. The protective device can be assembled conveniently, operation is easy and fast, and the stair opening can be protected conveniently.

The utility model belongs to the technical field of high-voltage power equipment, and particularly relates to a bistable recloser, which comprises a welding base assembly, reclosers, a bistable operating mechanism and a locking mechanism, the welding base assembly is connected with a plurality of reclosers, the bistable operating mechanism is arranged in the welding base assembly, and the locking mechanism is connected with the reclosers. The bistable operating mechanism is movably connected with the reclosers, and a locking mechanism is arranged at the tail end of the bistable operating mechanism and fixedly mounted on the welding base assembly. When in use, through collinear transmission of the driving pull rod and the movable iron core driving shaft, the transmission loss is reduced, manual opening is realized by using the locking structure, maintenance by a worker is facilitated, double-layer locking is performed on the recloser, and product safety accidents caused by misoperation of the worker are avoided.

The invention discloses a tension testing device for cable detection, and relates to the field of tension testing devices, the tension testing device comprises a testing rack, the testing rack is movably provided with a testing pull-up seat, and the testing pull-up seat is provided with a pull-up clamp; the device further comprises a cable position detection device, and the cable position detection device is installed on the test rack. It needs to be explained that in the embodiment of the invention, sudden stop is triggered through mechanical swing of the cable holder, the skew fault can be identified in the initial stage, the tension coaxiality deviation caused by skew cable clamping and deformation and sinking of the pull-up seat is avoided, and the major safety accident of cable collapse is effectively avoided; according to the cable tension test device, the test data distortion caused by such factors is eliminated, the accuracy and repeatability of a cable tension test result are ensured, meanwhile, through reverse mechanical triggering, real-time detection and sudden stop of tiny deformation and sinking of the pull-up seat are realized, and hidden safety hazards are eliminated in advance.

The utility model discloses a coal gas pressure stabilizing control device for a blast furnace coal injection and pulverizing system. A waste gas pipeline is provided with a waste gas fan, a waste gas electric regulating valve, a waste gas flowmeter and a waste gas pressure transmitter; a coal mill inlet temperature thermal resistor and a coal mill inlet pressure transmitter are arranged on the outlet pipeline; a coal gas pressure transmitter, a coal gas flowmeter and a coal gas electric control valve are arranged on the coal gas pipeline, and an outlet temperature thermocouple and an outlet pressure transmitter are further arranged on the outlet pipeline; a waste gas carbon monoxide detector and a waste gas oxygen content detector are arranged on the waste gas pipeline; and a gas pneumatic quick switching valve, a gas electric blind plate valve, a gas electric butterfly valve and a carbon monoxide heat conduction type gas analyzer are arranged on the gas pipeline, and the number of the gas electric control valves is larger than or equal to two. According to the utility model, the gas regulating valve or the bypass pipeline three-valve group is additionally arranged, so that a monitoring instrument is perfected, and the gas flow and pressure are accurately controlled.

The utility model relates to empty can pile dust removal technical field, concretely relates to a kind of beverage empty can pile dust removal device.The beverage empty can pile dust removal device includes: dust removal main part;Suction structure, suction structure is set on dust removal main part, suction structure has air port, air port is towards beverage empty can pile;Air duct, air duct is set in dust removal main part, one port of air duct is communicated with air port, the other end of air duct is communicated with fan;Detection structure, detection structure is set in one end of dust removal main part, detection structure is used to detect beverage empty can pile;Control system, control system is respectively connected with fan and detection structure signal.The air port is set in suction structure, and the air port is connected with fan by air duct, the negative pressure is formed in air port and air duct, when beverage empty can pile is located below suction structure, plastic residual piece can be sucked into air duct by suction structure, to complete the cleaning of plastic residual piece, avoid using artificial way to clean residual piece, prevent safety accident.

The future state operation mode generation method, device, storage medium and computer equipment provided by the application first generate a plurality of active scenarios in the to-be-analyzed scene when generating an operation mode; then, N-1 DC power flow calculation is performed on each scenario to record each scenario as a qualified mode or an unqualified mode according to the calculation result, and generate a steady-state file of the active scenario of each qualified mode; subsequently, a reactive power configuration strategy combining an AI algorithm and a configuration rule is used to perform reactive power configuration and power flow calculation on each steady-state file, so that the calculation efficiency can be improved while the deviation is reduced; in the calculation result, the active scenario that does not converge is recorded as a reactive power non-convergent mode, and the active scenario that converges is subjected to voltage qualified rate improvement, and is recorded as a convergent but voltage unqualified mode or a usable mode according to the improvement result, and through the generation mode of the active scenario, the application can quickly analyze and obtain the operation condition of the system under different scenarios.

This utility model discloses a monitoring device for accurately detecting the opening pressure of a safety valve online. It includes a base fixed to a spring safety valve, a piston chamber fixed above the base, a piston coaxially arranged with the valve stem of the spring safety valve connected inside the piston chamber, a screw coaxially fixed to the piston, and the screw and the valve stem connected to each other via a strain gauge. The piston chamber and the piston form a sealed cavity, and the piston chamber has an oil inlet communicating with the sealed cavity. The oil inlet is connected to a hydraulic device via a pipe. The strain gauge and the hydraulic device are both communicatively connected to a distributed control system (DCS), which is also communicatively connected to a pressure sensor. This utility model not only allows for remote operation of the control system to measure and calculate the spring stiffness of the safety valve, but also eliminates the need to shut down the furnace during the measurement process, offering better real-time performance, allowing for operation at any time, and without excessive limitations.