34results about How to "Avoid operational risk" patented technology

The invention discloses a vehicle multi-domain fusion control method, and relates to the technical field of vehicle multi-domain fusion control, and the method comprises the steps: collecting and analyzing the data of each domain in real time through a central calculation unit CCP, rapidly judging whether the configuration parameters need to be updated or not when the working conditions change, and rapidly responding to various complex working conditions. In addition, an A2L file is automatically called through a CCP to be compared with a newest project configuration file, parameter items needing to be updated are automatically recognized, redundant data are eliminated, and then synchronous updating of configuration parameters of all control domains is guaranteed through centralized distribution of configuration updating files and a consistency scoring mechanism, so that the control effect and safety under automatic driving are improved. According to the method, the control deviation caused by desynchrony under the traditional architecture is avoided, the configuration requirements of each domain are automatically detected based on the CCP, parameter comparison and redundancy check are carried out through an automatic A2L file matching mechanism, the configuration file is quickly identified and updated, and the calculation burden of the system is reduced through redundancy elimination.

The invention discloses a new energy automobile speed processing method. The new energy automobile speed processing method specifically comprises the following steps that S1, power-on initialization is conducted; s2, high-voltage read is applied, and a driver drives the vehicle to run; and S3, judging whether a vehicle speed effective flag bit ABSFASpeedVD sent by the ABS is equal to 0 or not, if yes, entering the step S4, and if not, entering the step S5. According to the method, various fault performances of the ABS are comprehensively considered, the vehicle speed effective flag bit sent by the ABS, the ABS communication loss fault, the energy recovery forbidding fault, the ABS fault and the checksum fault of 0 * 36B are recognized, and when any condition is met, the VCU judges that the replacement vehicle speed needs to be used for related function control at the moment, so that the control efficiency is improved. According to the invention, torque control such as creeping and cruise control of the VCU caused by inaccurate speed of the ABS is avoided, the operation risk of the vehicle is prevented, the driving safety of a driver is protected, the accuracy of the pure power endurance test of the whole vehicle is ensured, and a guarantee is provided for announcement declaration and performance development of the whole vehicle.

The invention discloses a hydrological data acquisition method based on automatic surface salinity frontal surface tracking of an unmanned ship, and belongs to the field of marine hydrological scientific investigation, a temperature-salinity-depth sensor and the like are carried on the unmanned ship, and the method comprises the following steps: after the unmanned ship sails to a predetermined observation area, the unmanned ship is manually controlled to sail in the observation area, and then the unmanned ship sails in the observation area; the temperature-salinity-depth sensor collects salinity data in the navigation area; transmitting the collected salinity data back to the upper computer, and analyzing the collected salinity data by the upper computer; after analysis of the upper computer, the upper computer controls the unmanned ship to sail in the extension direction of the salinity frontal surface, and other hydrological data are detected through a temperature-salinity-depth sensor and the like. According to the unmanned ship, continuous observation can be carried out in a large range, and the observation efficiency is higher than that of a traditional ship. The automatic identification of the salinity frontal surface can enable the unmanned ship to quickly lock the salinity change area in a wide sea area, carry out accurate measurement, and observe other hydrological characteristic parameters of the salinity frontal surface according to the salinity change area.

The utility model discloses a sewing machine which comprises a base, a machine head and a protective cover. A needle plate and a thread hooking mechanism (not shown) are arranged on the base. The machine head is connected to the base, a machine needle mechanism and a presser foot mechanism are arranged on the machine head, and the machine needle mechanism is provided with a machine needle rod and a machine needle located at the end of the machine needle rod. And the protective cover is movably arranged on the machine head, is positioned on the peripheral side of the machine needle rod, and has an extending state of extending towards the base and shielding the machine needle and a retracting state of retracting towards the inner side of the machine head and being far away from the machine needle. When the sewing machine is in the stretching-out state, the protection cover can stretch out in the direction of the base to shield the machine needle, fingers of a child can be effectively prevented from making contact with the machine needle, and the safety risk in the using process is reduced. When needle replacement or threading operation needs to be carried out, the protective cover can retract towards the inner side of the machine head, enough space is reserved for needle replacement or threading operation, operation is easy, tedious operation and safety risks in the dismounting process are avoided, and the use safety of the sewing machine is greatly improved.

The invention relates to a service protocol data calibration method and device. The method comprises the following steps: acquiring protocol data of a service protocol, and displaying current-party actual to-be-received resource data in the protocol data under the condition that the service protocol is of a first protocol type; receiving an adjustment operation on the actual to-be-received resource data of the current party to obtain the adjusted actual to-be-received resource data of the current party; and under the condition that the adjusted current-party actual to-be-received resource data meets the first adjustment interval, displaying protocol data, confirming the protocol data, and uploading the protocol data to an auditing terminal. By adopting the method, the tail difference problem can be efficiently and accurately solved, the business protocol calibration process is simplified, and the foreground operation risk is avoided.

The utility model relates to a geological core splitting device belongs to cutting equipment technical field. Including cutting station, support plate, cutting piece, the cutting station's mesa is opened has cutting hole, the side of cutting hole is slidably installed with a support plate respectively, support plate's one end is equipped with fixed baffle, support plate is opened has the connecting hole, push rod is worn in the connecting hole, and with support plate sliding connection, push rod's upper end is equipped with movable baffle, between fixed baffle and movable baffle is the placement station of core, push rod's lower extreme is equipped with rack, the lower of rack rotatably installs the gear with the rack interlock, and the gear drives rotation through the drive motor of installing at the bottom of base plate, be equipped with cutting piece on cutting station, cutting motor's output shaft, this application pushes the core to cutting piece and carries out cutting operation through relevant mechanism, need not manual operation, effectively avoids the operation risk of relevant staff, reduces the labor intensity of staff.

The utility model relates to the technical field of paper tube processing equipment, and particularly discloses a novel paper tube cutting machine which comprises a rack, two roll shafts arranged in parallel are installed on the rack, and the two ends of each roll shaft are connected with an adjusting device installed on the rack. A shearing mechanism which is fixedly installed on the rack and used for shearing a to-be-sheared paper tube placed on the roll shaft is arranged above the roll shaft, the shearing mechanism comprises a fixing frame, a fixing plate, a first driving piece, a cutter and a second driving piece, the fixing frame is fixed to the rack, the first driving piece is fixed to the fixing frame, and the cutter is fixed to the second driving piece. The fixing plate is fixedly connected with the driving end of the first driving part, the cutter is rotationally arranged on the fixing plate and located above the paper tube to be cut, and the driving end of the second driving part is connected with the cutter and used for driving the cutter to rotate. According to the paper tube shearing device, the two roll shafts are arranged to support a paper tube to be sheared, the paper tube shearing device can be suitable for shearing paper tubes of different sizes by adjusting the distance between the two roll shafts, and the paper tube shearing device has the advantages of being easy to operate and wide in application range.

The utility model discloses a kind of temperature measuring devices for casting steel wheel bottom injection package pouring, including mounting bracket, support column, fixed support, rotary mounting seat and bent temperature measuring gun, wherein: support column is fixedly arranged on mounting bracket, fixed support is rotatably arranged on support column, for left and right adjustment of bent temperature measuring gun, rotary mounting seat is rotatably arranged on fixed support, for up and down adjustment of bent temperature measuring gun, bent temperature measuring gun is installed on rotary mounting seat.The utility model whole structure is simple, can be in the pouring process of casting steel wheel, temperature measuring gun is vertically inserted into bottom injection package molten steel, temperature measuring gun head can be inserted to certain depth, ensure the accuracy of molten steel temperature measurement, reduce the wheel waste caused by pouring, improve wheel product quality and production efficiency, simultaneously avoid operation risk.

The utility model discloses an anti-disproportionation reaction rectification transformation device used in polycrystalline silicon production, which comprises a mixer, a heater, an anti-disproportionation fixed bed reactor and a reaction rectification tower, the mixer receives dichlorosilane and liquid silicon tetrachloride and mixes the dichlorosilane and the liquid silicon tetrachloride to form a mixture, the mixer is connected with the heater, the heater heats the mixture, and the reaction rectification tower is connected with the anti-disproportionation fixed bed reactor. The method comprises the following steps of: heating a mixture, conveying the heated mixture to an anti-disproportionation fixed bed reactor, respectively connecting the anti-disproportionation fixed bed reactor with a heater and a reaction rectifying tower, carrying out anti-disproportionation reaction on the mixture in the anti-disproportionation fixed bed reactor under the action of a catalyst, connecting a tower body of the reaction rectifying tower to a mixer, and extracting trichlorosilane from the tower top of the reaction rectifying tower, silicon tetrachloride which does not participate in the anti-disproportionation reaction in the anti-disproportionation reaction is extracted from the tower body of the reactive distillation tower and is conveyed to the mixer to serve as a raw material again, and impurities generated in the reaction are discharged from the tower kettle of the reactive distillation tower. According to the device provided by the utility model, the safety and operability of the anti-disproportionation reaction are improved.

The present application belongs to the technical field of aircraft brake system, and discloses a kind of aircraft wheel brake system no anti-skid brake time indicating control method, when the anti-skid system of aircraft fails, according to the ground speed of aircraft and the brake pressure of all wheels, the pilot is prompted, wherein the ground speed of aircraft is judged, if the ground speed of aircraft does not exceed the speed threshold, no warning prompt is output to the pilot;At the same time, the brake pressure of all wheels of the aircraft is collected, and when the brake pressure of any wheel exceeds the threshold, the pilot is output warning prompt or serious warning prompt. Through the design of the present application, the operation safety and system reliability of the aircraft brake system in the non-anti-skid state can be effectively protected, and the pilot's misjudgment and operation risk caused by the failure of anti-skid function or brake failure can be avoided.

The utility model discloses a distillation system, including controller and the distillation reation kettle, first condenser, vacuum buffer tank, air pump, second condenser and gas collection tank that are connected in proper order in series, be equipped with first pressure sensor on the distillation reation kettle, and the connecting pipeline between distillation reation kettle and first condenser is equipped with first electric control valve, and the connecting pipeline between vacuum buffer tank and air pump is equipped with second electric control valve, and air pump includes first vacuum pump and second vacuum pump, and first vacuum pump is roots vacuum pump, and second vacuum pump is reciprocating vacuum pump, first pressure sensor, first electric control valve, second electric control valve, first vacuum pump and second vacuum pump all are electric connection with controller. The utility model embodiment can realize automation and optimize distillation condition.

The utility model provides a steel bar bending device, and relates to the technical field of steel bar bending. The bending part is arranged on the operation table; the adjusting part is connected with the bending part and is matched with the bending part so as to adjust the bending radius of the reinforcing steel bar; the clamping part is arranged on the operation table; and the clamping adjusting piece is arranged on the operation table and matched with the adjusting part so as to clamp the reinforcing steel bar at a proper position. According to the bending device, by arranging the adjusting part, the bending radius during bending can be changed through the adjusting part during bending, so that the bending device can meet the bending requirements of different radiuses, and therefore the bending device is suitable for different working scenes; and the clamping part is arranged, so that the operation risk caused by unstable placement of the reinforcing steel bars during bending is avoided.

The utility model discloses a flame-retardant wire harness protective sleeve structure which comprises a corrugated sheet, the outer wall of the top and the outer wall of the bottom of the corrugated sheet are respectively provided with a connecting sheet, the corrugated sheet and the connecting sheets are in a bent state when not stressed, connecting assemblies are installed outside the two connecting sheets, and the connecting assemblies are connected with the corrugated sheet. The connecting assembly comprises a first extension strip arranged at the end of a connecting piece, a second extension strip is arranged on the outer wall, close to the outer side, of one end of the connecting piece, the outer walls of the sides, away from each other, of the first extension strip and the second extension strip are each provided with an inserting-connecting groove, and the two inserting-connecting grooves are slidably connected with the same connecting pin in an inserted mode. According to the utility model, through the arrangement of the connecting assembly, under the condition that the whole wire harness does not need to be disassembled, the scheme can realize the rapid disassembly and replacement of the external protection sleeve of the wire harness, thereby not only improving the maintenance efficiency, but also avoiding the complex operation and potential risk possibly brought by the overall disassembly of the wire harness.

The invention discloses an intelligent operation control system of a train unhooking robot, which belongs to the technical field of train unhooking and comprises the following steps: acquiring standard unhooking data of various train unhooking robots on various train couplers, acquiring operation scene information, establishing a basic scene model according to the operation scene information; uncoupling standard data are matched according to various train uncoupling robot information and coupler information of the operation scene; performing adaptive adjustment on each unhooking standard data and the basic scene model to obtain unhooking matching data, performing real-time information acquisition according to the train unhooking robot to obtain equipment acquisition data, generating an unhooking background according to the unhooking demand data and the basic scene model, and matching the corresponding unhooking matching data according to the unhooking background. Path planning of the train unhooking robot is conducted according to the unhooking matching data, and the moving path of the train unhooking robot is obtained; a basic unhooking mode corresponding to the unhooking matching data is recognized, and control is conducted according to the moving path and the basic unhooking mode.

The invention provides an electric wheel edge brake for a crane, and relates to the field of brakes. The brake arm is movably arranged on the base; the braking assembly is connected to the braking arm, and when the braking arm moves relative to the base, the braking assembly can be driven to make contact with the walking wheels so as to achieve braking; the driving reset mechanism is connected to the brake arm and used for driving the brake arm to rotate relative to the base so that the brake assembly can make contact with or be separated from the walking wheel. Wherein the brake assembly comprises a movable part, a fixed part and a locking piece, and the movable part is movably connected to the fixed part; the locking piece is used for locking the movable part and the fixed part; and when the locking piece is triggered, the movable part and the fixed part are separated from locking, so that the movable part can move towards the side of the walking wheel. Compared with the prior art, the method has the advantages that the braking efficiency of the crane is improved, and equipment damage or operation risk caused by over-emergency braking is avoided through gradual speed reduction.

The utility model discloses an organic waste gas incinerator, it includes incineration subassembly, the incineration subassembly includes furnace body, combustor, turbulence dome, air supplement hole no.

The utility model belongs to the field of boring, specifically speaking, it is a hexagonal pulls the hole boring cutter handle, including shell, directional seat and main handle, the outside of shell is provided with directional seat, the top of shell is provided with main handle, the bottom of inside of main handle is provided with built -in cutter cylinder, the bottom of built -in cutter cylinder is provided with boring tool, the bottom of shell is provided with the closure, the utility model discloses through six rhombus trajectory ring and deep groove ball bearing cooperation, the built -in cutter cylinder is shaken and is restrained in combination limit component, makes the boring tool of rotation stable to three rhombus trajectory deviation. On the one hand, need not additional setting or changing sword, can complete pulls the hole polygonal hole wall cutting one time, simplifies the procedure, reduces time loss, on the other hand, track stable law can guarantee pulls the hole each side precision is consistent, hole wall is even, avoids traditional boring hole type irregular, the problem of big size deviation, promotes processing quality. Meanwhile, the upper and lower bearing in shell provides stable support, further guarantees the stable swing of tool.

The invention relates to the technical field of film-wrapped steel coils, and discloses a rare earth steel coil packaging device and a packaging system, including a guide rail, on which a film sports car is provided, the film sports car carries the film roll to perform reciprocating motion, so that the plastic film is wound around the steel roll; the film sports car includes a first frame and a second frame, and the first frame and the second frame are connected in series through a hinge; the first frame and the second frame are provided with a roller seat, the roller seat is rotatably connected to a limiting roller, and the limiting roller rolls along the guide rail; the first frame is provided with a gear seat, the gear seat is rotatably connected to a driving gear, the driving gear is transmitted to the guide rail gear, and the driving gear is driven by a first motor; the first frame is provided with a accommodating groove, the accommodating groove is provided with a clamping mechanism, the clamping mechanism is used to clamp the film roll, and the clamping mechanism is fixed by a positioning mechanism; by setting the clamping mechanism, the film roll can be quickly disassembled, the operation is time-saving and labor-saving, the production efficiency is high, and the operation risk is avoided.

The application discloses a microcomputer bus protection interval maintenance method and device, interval maintenance pressing plates are arranged for each interval, the maintenance state of the interval is effectively identified by switching on and off the interval maintenance pressing plates, the interval is exited from the protection function logic calculation when the maintenance is effective, and the complicated operation mode of exiting the interval current from the protection function logic by opening the AC circuit in the existing operation mode is replaced. The method and device of the application bring great convenience for the interval maintenance on the basis of ensuring the operation reliability, can greatly improve the efficiency of the bus protection interval maintenance, and reduce the operation burden of the operation and maintenance personnel.

This invention relates to the field of environmental protection equipment technology, specifically disclosing an automatic garbage bag breaking machine and a method for separating garbage bags using it. The bag breaking machine includes a bag breaking platform, a bag identification and positioning device and a robotic arm installed on the platform, a bag breaking mechanism and a secondary clamping mechanism installed inside the platform; the platform has a feeding port; the secondary clamping mechanism includes a main clamping component and an auxiliary clamping component. The robotic arm grabs the garbage bag according to the positioning information from the bag identification and positioning device and transfers it to the feeding port. The main clamping component and the auxiliary clamping component work together to clamp the garbage bag from the side and support it from the bottom. The bag breaking mechanism cuts the garbage bag firmly held by the secondary clamping mechanism. This technical solution achieves fully automatic and precise grabbing, stable clamping, and controllable cutting of garbage bags through the coordinated operation of various components, effectively avoiding the safety risks of manual intervention and significantly improving the efficiency and reliability of bag breaking and separation.

The invention discloses a battery replacing device and method for an electric vehicle. The battery replacing device comprises a supporting and positioning mechanism used for bearing the vehicle and positioning the vehicle at the battery replacing position. The battery replacing bin is positioned below the supporting and positioning mechanism and is used for storing and charging the battery; the loading and unloading mechanism is used for taking out the low-power battery from the bottom of the vehicle or assembling the full-power battery to the bottom of the vehicle; the material taking and placing mechanism is used for placing the power-deficient batteries in the battery replacing bin or taking out the fully-charged batteries from the battery replacing bin; the first battery placing groove is used for bearing an insufficient-power battery; the second battery placing groove is used for bearing a full-power battery; and the conveying mechanism is used for changing the positions of the first battery placing groove and the second battery placing groove. The feeding and discharging mechanism directly takes out the power-deficient batteries from the bottom of the vehicle and places the power-deficient batteries in the first battery placing groove, the material taking and placing mechanism takes out the full-power batteries from the battery replacing bin in advance and places the full-power batteries in the second battery placing groove, and the full-power battery taking-out operation and the power-deficient battery storage operation do not need to be completed on site.

The invention relates to the field of cigarette packaging performance testing instruments, and discloses a cigarette packaging indentation performance tester and a testing method.The tester comprises a base, a supporting frame, a sample pressing mechanism, a folding mechanism and a control system; the sample pressing mechanism comprises a first sample pressing mechanism and a second sample pressing mechanism, and a cigarette packaging indentation resetting mechanism is arranged on the first sample pressing mechanism; and a sample leaning block mechanism is also arranged on the base. The tester is specially used for testing the cigarette packaging indentation performance, can be folded for multiple times along the cigarette packaging paper indentation line in a full-automatic manner, is adjustable in folding angle, and accurately simulates the actual use environment, so that the folding resistance of the cigarette packaging indentation is detected. The whole instrument is multifunctional and integrated in design, can realize intelligent operation and data acquisition, is high in application adaptability and safe to operate, remarkably improves the precision and efficiency of cigarette package indentation performance test, meets the requirements of modern cigarette package performance detection, and has wide application value and market prospect.

The invention discloses a tray tool for stator performance detection, which is characterized in that bearings are mounted at two ends of a roller, a mandrel penetrates into the roller, two ends of the mandrel are inserted into a baffle plate, the baffle plate and the lower part of a positioning block are respectively mounted on a rotating disk through a partition plate and a base plate, a terminal is inserted into a terminal fixing block and is mounted at the front part of the rotating disk together with a cover plate, and a plurality of groups of fixing blocks are distributed on the rotating disk. The rotating disc is embedded into the guide bush, the indexing pin is installed on the support and installed on the base plate together with the support, the ball spring lock pin is installed in the rotating disc, the positioning sleeve is embedded in the base plate, the rotating disc and the lower gland clamp the inner ring of the bearing respectively, the bearing is installed in the base plate, the upper gland presses the outer ring of the bearing, and the base plate is connected with the tray. The tray is provided with a label support and an electronic label. The lead wire is connected to the contact on the tray in advance while the stator transfer is satisfied, the automatic test purpose is achieved by cooperating with the performance tester, the operation risk of man-machine interaction is avoided, and the stator transfer device has the advantages of simple structure, convenient operation and reliable insulation.

The invention relates to the technical field of microwave beauty, and provides a handheld microwave beauty instrument with a safety protection mechanism, which comprises a microwave beauty instrument body, a skin area state sensing terminal, a physiological signal monitoring terminal, a microwave fine tuning terminal, a stop protection terminal and a voice reminding terminal, the microwave beauty instrument body is used for generating and outputting microwaves; the skin area state sensing terminal is used for detecting dryness, humidity, temperature and grease parameters of a skin area of a user; the physiological signal monitoring terminal is used for monitoring expression data and heart rate data of a user in the microwave beauty treatment process; the microwave fine tuning terminal is used for adjusting the microwave frequency; the stop protection terminal is used for performing stop protection analysis and executing stop protection measures according to the dryness, humidity, temperature and grease parameters of the skin area and expression data and heart rate data of the user; and the voice reminding terminal is used for outputting voice reminding according to a stop protection analysis result. The method has the effect of improving the safety and accuracy of the microwave beautifying process.

The invention discloses a hardware one-way security data ferry storage device and a method thereof, and aims to solve the problems that cross-physical isolation network data exchange is tedious in operation, low in efficiency and high in security risk. The device comprises a first storage space, a second storage space, a first host interface used for being connected with a first network, a second host interface used for being connected with a second network, a control logic unit and a hardware one-way data transmission module. The two host interfaces are physically independent and can be simultaneously and respectively connected to computers of networks with different security levels. When a low-security network is connected through the first host interface, only the first storage space is visible, and written data is synchronized to the second storage space in real time by the one-way transmission module; and when the high-security network is connected through the second host interface, only the second storage space is visible for reading the synchronized data. According to the mechanism, the possibility of reverse leakage of data is fundamentally avoided, and the efficiency and convenience of data ferrying are remarkably improved while the security of the intranet is ensured.

The invention relates to the technical field of fluid machinery and intelligent control, in particular to an energy-saving intelligent anti-clogging sewage pump and a control system.The energy-saving intelligent anti-clogging sewage pump comprises a variable geometry impeller assembly and the control system.The variable geometry impeller assembly achieves stepless adjustment of the blade setting angle through a shape memory alloy driving element; the control system comprises a multi-dimensional sensing unit, a multi-modal working condition recognition module, a hierarchical execution module, a fusion control module, an operation verification module and a self-adaptive optimization module. A working condition recognition model trained based on a LightGBM algorithm is built in the multi-mode working condition recognition module; the fusion control module calls a cooperative control strategy according to the working condition mode to realize cooperative adjustment of the rotating speed and the blade angle; the operation verification module carries out dual security verification through logic verification and digital twinning dynamic simulation. According to the invention, the contradiction between blockage prevention and energy efficiency caused by geometric fixation of a traditional sewage pump impeller is solved.

The invention discloses a multidirectional ion implantation control method, a medium and a system. The multidirectional ion implantation control method comprises the following steps: S1, acquiring implantation parameters of multiple orientations; the injection parameters comprise the injection dose and the injection angle of each orientation; s2, on the basis of the current beam intensity, injection parameters of all orientations are calculated in sequence, and injection parameter calculation results corresponding to all orientations are stored; the calculation result comprises the complete scanning times and the injection speed of the ion beam on the same region of the wafer; s3, according to the stored injection parameter calculation result, the ion injection system is sequentially controlled to execute injection in all directions, and if the injection dose in a certain direction is zero, the injection in the direction is skipped; if the injection dose of a certain orientation is greater than zero, issuing an injection instruction according to the injection parameter corresponding to the orientation and executing injection; and S4, after injection in all directions is completed, equipment reset operation is executed. The method has the advantages of high injection efficiency and the like.

This invention relates to the field of object recognition technology for nerves, and more particularly to a deep learning-based real-time intraoperative localization and monitoring system for recurrent laryngeal nerve surgery. The system includes a preoperative analysis module to acquire the expected nerve path sequence to determine a first variation risk region; an intraoperative acquisition module to acquire intraoperative video, electromyographic signals, and sequences corresponding to instrument positions; a priori constraint recognition module to determine the intraoperative nerve recognition path sequence and visual recognition confidence level; a path deviation correction module to correct the intraoperative nerve recognition path sequence and visual recognition confidence level; a distance state analysis module to determine whether the real-time distance between the instrument and the nerve is within a distance boundary state; and a warning monitoring module to determine the existence of hidden warning regions based on spontaneous electromyographic activity indicators combined with visual recognition correction confidence level, and to monitor the rate of change of spontaneous electromyographic activity indicators to indicate the nerve stress response state. This invention improves the accuracy of real-time intraoperative localization and monitoring of recurrent laryngeal nerve surgery.

The utility model discloses a power plant spherical gas source valve lockset relates to valve lockset technical field, including first clamping arm, second clamping arm and gas source valve, the front side middle part of first clamping arm and second clamping arm all is provided with the frame of card, and the lateral wall of frame is provided with the card groove, and the upper and lower lateral wall of card groove all are connected with screw rod, and the outer end fixed connection of screw rod has rotary column, and the inner end movable connection of screw rod has clamping plate through bearing. The utility model discloses a frame of card is set up, after using first clamping arm and second clamping arm to hold tightly gas source valve, forms the physical protection outside gas source valve, prevents the operation personnel or the unauthorized personnel of overhauling time to touch handle and opens the valve, avoids the hot air burn accident of happening in the process of overhauling, and through setting up the card groove, handle is limited in the inside of card groove, and the adjustment of clamping plate position is used to screw rod simultaneously, and the two sides of handle are clamped, and the position of handle is further limited, prevents the problem that the valve appears slightly leak.

The utility model belongs to bolt cleaning technical field, concretely relates to a bolt cleaning machine, including frame, feeding mechanism, cleaning mechanism, dust collector, oiling mechanism, blanking mechanism and control system, feeding mechanism sets up in the feeding end of frame front, cleaning mechanism sets up in the discharge end of feeding mechanism, dust collector sets up below cleaning mechanism, oiling mechanism sets up in the discharge end of dust collector, blanking mechanism sets up in the discharge end of oiling mechanism, control system is connected with feeding mechanism, cleaning mechanism, dust collector, oiling mechanism and blanking mechanism electricity, this bolt cleaning machine passes through the mechanism such as integrated feeding, cleaning, dust removal, oiling and blanking, combines control system, has realized the full process automation operation from bolt cleaning to maintenance, and compact structure, small footprint, can apply to 24 65mm diameter's multi -specification bolt, has improved cleaning efficiency and cleaning quality.