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34results about How to "Avoid overturning accidents" patented technology
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Frame type lifting device
InactiveCN104150370ALarge structural spanMany fulcrumsLoad-engaging girdersBase supporting structuresEngineeringSupport point
The invention discloses a frame type lifting device. The device comprises two main beams which are mutually parallel and are vertical to a walking guide rail, a walking vehicle which is arranged on the main beams and can walk along the main beam, and a crane which is arranged on the walking vehicle, wherein two supporting legs which are used for supporting the main beams and are formed into a certain included angle are respectively arranged at each end head of the main beams, the plane formed by the two supporting legs is parallel to the walking guide rail, and walking wheels are arranged at the bottom part of the supporting legs. Compared with the prior art, the device has the advantages that a frame type structure with large span and multiple supporting points belongs to a stable structure, and structure stability of the frame type lifting device is obviously improved; the overturn is difficult to generate, and the accident of the overturn can be effectively avoided when the lifting operation is carried out during assembly and molding.
Owner:STATE GRID CORP OF CHINA +2
Method for safely transferring pilot to work boat from pilot boat
InactiveCN105151235AEasy to lift and landWon't decoupleCargo handling apparatusClimate change adaptationStopped workMarine engineering
The invention belongs to the technical field of pilotage, and relates to a method for safely transferring a pilot to a work boat from a pilot boat. The method comprises the steps that two parallel supports are arranged on the pilot boat; the ends of the two supports are each connected with a suspension device; the two suspension devices are connected with lifting hooks fixed to the head end and the tail end of the work boat through the ends of chain rings respectively; the suspension devices are started, so that the two ends of the work boat descend at the same time till a deck of the work boat is aligned at a deck of the pilot boat; and the suspension devices stop working. In the process that the pilot boards the work boat, the work boat is closely connected with the pilot boat and cannot shake, and therefore the pilot can safely board the work boat.
Owner:上海港引航站
Tower crane electrical dual protection system
ActiveCN110371856AGuaranteed integrityImprove real-time performanceLoad-engaging elementsCranesInformation processingLifting capacity
The invention relates to a tower crane electrical dual protection system. The tower crane electrical dual protection system is composed of an electrical control system and a safety monitoring system with electrical limiting and action protecting functions. According to the safety monitoring system, a main loop current mutual inductor, a lifting capacity sensor, a lifting torque sensor, a tower body and tower arm dip angle sensor, a trolley range and hoisting height sensor, a rotation angle sensor, a jacking oil pressure continuous quantity sensor and an information collecting loop are newly added on the basis of the content required to set by gb / t28264-2017, a newly-added information processing part is included and regards the rated lifting torque, the tower body and tower arm dip angle, the trolley range, the hoisting height, the rotation angle, the tower body and tower arm dip angle, the jacking oil pressure and the current sudden change as the electrical limiting and action protecting and monitoring targets, wherein the current sudden change happens when the lifting torque or the lifting capacity or the rotation speed is limited; and an interaction voice service unit meeting theman-machine interaction requirement is additionally arranged.
Owner:中色十二冶金建设有限公司
Stabilizing method and stabilizing system capable of preventing overturn of log grabbing and lifting truck
ActiveCN109399472AAvoid overturning accidentsGuaranteed stabilityCranesLoad-engaging elementsTruckControl system
The invention discloses a stabilizing method and a stabilizing system capable of preventing overturn of a log grabbing and lifting truck, and relates to the technical field of integral truck stabilization. The stabilizing method includes: acquiring a first signal, acquiring a second signal according to characters of the first signal; according to the acquired second signal, computing and outputting overturning moments of an integral truck; comparing a longitudinal overturning moment value with a first preset anti-overturning moment value to obtain a first comparison result, and / or comparing atransverse overturning moment value with a second preset anti-overturning moment value to obtain a second comparison result; judging whether the first comparison result satisfies a first preset threshold value or not, and / or judging whether the second comparison result satisfies a second preset threshold value or not; when the first comparison result cannot satisfy the first preset threshold value, and / or the second comparison result cannot satisfy the second preset threshold value, sending an alarm signal by an integral truck controlling system. The stabilizing method and the stabilizing system have the advantages that the truck is prevented from overturning when a mechanical arm is working, and a technical effect on ensuring stability of the truck is guaranteed.
Owner:AEROSPACE HEAVY IND
Elevation type superconducting magnet conveying device
InactiveCN103640642AAvoid overturning accidentsHeight adjustableResilient suspensionsVehiclesSuperconducting CoilsEngineering
Disclosed is an elevation type superconducting magnet conveying device. The elevation type superconducting magnet conveying device is composed of a frame unit, two lifting units and four wheel units. The frame unit is the basis of the entire conveying device, the two lifting units are arranged at the front end and the rear end inside the frame unit, and the four wheel units are arranged on the left side and the right side of a vehicle body and are mounted at the tail ends of the lifting units. Due to the fact that rotating shafts of the lifting units are rotated, the center of the gravity of the vehicle body can be lifted, the position of the vehicle body can be changed, and the wheel units are driven by a DC servo motor.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
Loading device applied to drilling machines
PendingCN110847817AAvoid overturning accidentsEasy to operateDerricks/mastsDrilling machines and methodsRolling chassisMechanics
The invention relates to the field of engineering machines and particularly relates to a loading device applied to drilling machines. The loading device comprises a chassis, telescopic devices and support arms which are arranged under a drilling machine platform, wherein sliding grooves are fixedly arranged at the front end and the rear end of the chassis; one end of each support arm stretches into one sliding groove from a groove opening of the sliding groove; a connection block arranged at one end away from the sliding groove of each support arm is fixedly connected with one telescopic device; telescopic rods are arranged in each telescopic device; cushion blocks are arranged at the ends of the telescopic rods; the support arms are pulled out from the sliding grooves before using, then hydraulic modules are adjusted to control up-and-down motion of the telescopic rods in the telescopic devices, so that a crawler-type drilling machine is capable of automatically rising and falling andcooperates with a transportation vehicle to achieve automatic loading and unloading during loading and unloading.
Owner:徐州恒兴金桥地质装备有限公司
Safety protection device for lifting platform
InactiveCN105923561AAvoid overloadingEliminate unbalanced load phenomenonSafety devices for lifting equipmentsWinding mechanismsPull forceSafety control
The invention provides a safety protection device for a lifting platform. The safety protection device comprises a plurality of paired pressure sensors, each of which is mounted on a wire rope for lifting the lifting platform to sense the pull of the wire rope when the lifting platform is elevated, inclinometers disposed at edges of the lifting platform to detect an angle of inclination of the lifting platform, and a safety protection controller connected with the pressure sensors and the inclinometers and used to obtain load data of the lifting platform according to the pull data of the wire ropes from the pressure sensors, and in response to that any one of the load data and the angle of inclination of the lifting platform measured by the inclinometers exceeds a set range, transmit a warning signal to a buzzer and send a safety control signal to a motor controller for the lifting platform to control start and stop of a motor. The pressure sensors are pressuremeter type pressure sensors. The safety protection device provided by the present invention is capable of warning in case of overload, eccentric load and inclination of the platform, thereby improving the use safety of the lifting platform.
Owner:NANJING CHENGUANG GRP
Dump truck lock hook misoperation prevention control circuit and device and dump truck
InactiveCN112455309AAvoid damageAvoid overturning accidentsVehicle with loading gatesSignalling/lighting devicesBack doorControl theory
The invention discloses a dump truck lock hook misoperation prevention control circuit and a device and a dump truck, and relates to the technical field of vehicles. The dump truck lock hook misoperation prevention control circuit comprises a latch hook travel switch module, a buzzer and a control module, the latch hook travel switch module receives a lifting signal, generates a closing signal according to the lifting signal when the latch hook is in a working state and sends the closing signal to the control module, and the control module receives the closing signal, controls carriage liftingstopping according to the closing signal; the latch hook travel switch module generates an alarm signal according to the lifting signal and sends the alarm signal to the buzzer when the latch hook isin a working state, the buzzer receives the alarm signal and gives a latch hook misoperation alarm according to the alarm signal, and when the latch hook is unloaded, carriage lifting is stopped automatically. The accident that a rear door of the carriage is damaged or the whole dump truck overturns is avoided, and the buzzer gives an alarm to remind a user of troubleshooting in time, so that theworking efficiency of the dump truck is improved.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Anti-overturning device for single-pier bridge
InactiveCN110700126AReduce the impactImprove stressBridge erection/assemblyBridge strengtheningArchitectural engineeringPier
The invention relates to an anti-overturning device for a single-pier bridge. The anti-overturning device is installed between a bridge girder and a pier stand column and comprises viscous dampers, ahinge support and chemical anchor bolts. The hinged support is anchored on the bridge girder and the bridge pier stand column, viscous dampers are installed at the two sides of the bridge girder and the two sides of the bridge pier stand column, and the bridge girder is connected with the pier stand column through the viscous dampers. By additionally arranging the viscous dampers between the bridge girder and the pier stand column, the bridge girder can be effectively prevented from overturning, and the overturning resistance of the single-pier bridge is improved. The anti-overturning device is simple in structure, is convenient to construct, and has the good economical efficiency.
Owner:BEIJING UNIV OF TECH
Anti-overturn undercarriage structure of unmanned aerial vehicle
The invention relates to an anti-overturn undercarriage structure of an unmanned aerial vehicle. The anti-overturn undercarriage structure comprises a circular base ring, wherein an unmanned aerial vehicle main body is arranged in the center of the base ring; the base ring and the unmanned aerial vehicle main body are connected through a plurality of arc-shaped rods which are uniformly arranged along the center of the base ring; outward bending arc-shaped connecting ends far away from the center of the base ring are arranged at the lower ends of the arc-shaped rods, and fixedly connected with the base ring; the base ring and an unmanned aerial vehicle frame are connected through a plurality of inclined supporting rods which are uniformly arranged along the center of the base ring. The anti-overturn undercarriage structure wholly adopts a circular bracket, so that accidents at takeoff and landing of the unmanned aerial vehicle can be well avoided; through the adoption of the anti-overturn undercarriage structure, the unmanned aerial vehicle can more quickly find the center axis while landing so as to avoid overturn accidents.
Owner:苏州绿农航空植保科技有限公司
Double-program rain-proof adjustment components and the pitching mechanism of the air traffic control radar antenna applied
ActiveCN105489998BIncrease the maximum jacking strokeMinimum footprintAntenna supports/mountingsSupporting systemWork performance
The invention belongs to the technical field of air traffic control radars, and particularly relates to an octave rain-proof adjusting component and an air traffic control radar antenna elevation mechanism employing the same. The adjusting component comprises a bottom support shaft, a middle rotary thread sleeve and a top rainproof sleeve, which are coaxially sleeved one by one, wherein the top rainproof sleeve is in a sleeve structure of which an opening is downward; and the middle rotary thread sleeve can carry out rotary motion along the axis, so that the bottom support shaft and the top rainproof sleeve carry out axially opposite or separate synchronous screw-thread fit motion. Compared with a traditional structure, the component has smaller minimum length and longer jacking stroke when having extremely high rain-proof capability; and the working performance can be significantly improved. Meanwhile, the invention provides the air traffic control radar antenna elevation mechanism employing the adjusting component. The air traffic control radar antenna elevation mechanism structurally comprises a three-point support system comprising two groups of octave rain-proof adjusting components and a group of hinge seats, so that the maintenance frequency of the existing air traffic control radar antenna elevation mechanism is significantly lowered.
Owner:ANHUI SUN CREATE ELECTRONICS
Foundation pit support and construction road integrated structure and construction method
PendingCN111501782AImprove reliabilityReduce horizontal loadPaving reinforcementsIn situ pavingsArchitectural engineeringPipe
The invention discloses a foundation pit support and construction road integrated structure and a construction method. The integrated structure is an integral structure formed by a foundation pit support structure and a construction road, wherein the foundation pit support structure comprises a plurality of rows of steel pipe piles; the steel pipe piles are inserted into a soil body around a foundation pit; the upper portions of the adjacent steel pipe piles are connected through a structural layer of the construction road; and the upper portions of the steel pipe piles and the structural layer of the construction road form the integral structure. The construction method comprises the steps that firstly, a site is leveled; secondly, surveying and setting out are carried out; thirdly, the steel pipe piles are driven in; fourthly, a first sleeve is sleeved; fifthly, a cover plate and a second sleeve are installed; sixthly, the structural layer of the construction road is poured; and seventhly, a top cover is arranged in a covering manner. The foundation pit support and construction road integrated structure and the construction method have the beneficial effects that the operation form of support excavation is adopted in construction, and the construction period can be effectively shortened. The adopted steel pipe piles, the sleeves, the cover plate and the concrete top cover areall detachable, easy to manufacture and convenient to transport, and development of adjacent underground space is not affected.
Owner:HUNAN UNIV OF SCI & TECH
An Electric Double Protection System for Tower Crane
ActiveCN110371856BGuaranteed integrityImprove real-time performanceCranesLoad-engaging elementsInformation processingLifting capacity
Owner:中色十二冶金建设有限公司
Container ship gravity center height calculation device and method
ActiveCN110901846AGive quicklyGive exactlyVessel stability improvementMovement controllersMemory cellMarine engineering
The invention discloses a container ship gravity center height calculation device and method, the device comprises a processor unit, a mainboard, a memory unit, a data storage unit, a display unit, awater gauge sensor and an inclination angle sensor; the processor unit is used for processing received data, calculating the ship gravity center height and outputting the ship gravity center height; the memory unit is used for sending the stored ship reference data to the processor unit through the mainboard; the data storage unit is used for reading and storing the data output by the processor unit; the display unit is used for displaying the data output by the processor unit; the water gauge sensor is used for collecting draught data and sending the draught data to the processor unit, and the inclination angle sensor is used for collecting ship transverse and longitudinal inclination state data and sending the ship transverse and longitudinal inclination state data to the processor unit.The ship gravity center height can be rapidly, accurately and reliably given, stability balance can be conducted through the container ship gravity center height calculation device, and ship overturning accidents are avoided.
Owner:上港集团长江港口物流有限公司 +1
Alarm system and alarm method for derrick tower assembling system
PendingCN112833939AReal-time warningAvoid overturning accidentsMeasurement devicesAcquisition apparatusAmbient data
According to the alarm system and alarm method for the derrick tower assembling system provided by one or more embodiments of the invention, the inclination angle sensor is arranged at the top end of the derrick, and the tension sensors are arranged on the plurality of inclined pull ropes connected with the derrick, so that inclination angle data and tension data are respectively acquired; environment data is acquired by arranging environment acquisition equipment, and monitoring data acquired in real time is locally analyzed through an edge proxy server, so that the stress condition, the inclination angle and the environment data of the derrick are monitored in real time, and once the stress or the inclination angle of the derrick or the environment data have abnormal hidden dangers, the alarm equipment arranged on site gives an alarm, so that measures can be taken in time, an overturning accident is prevented, and real-time safety monitoring and early warning on the holding pole are achieved.
Owner:BEIJING GUODIANTONG NETWORK TECH CO LTD +2
Scraper conveyor and operation method thereof
ActiveCN111439533AThe process is simple and convenientReduce resistanceConveyorsGrain treatmentsProcess engineeringMechanical engineering
The invention discloses a scraper conveyor and an operation method thereof. The scraper conveyor comprises an overall framework, a falling coal conveying component and a follow-up falling coal guidingcomponent; the falling coal conveying component is installed on the overall framework and can convey a coal on the surface of the overall framework; the follow-up falling coal guiding component is installed on one side of the overall framework; and a crushing assembly moves with the movement of a coal cutting machine, a coal layer cut by the coal cutting machine is enabled to fall onto the surface of the overall framework via the crushing assembly. The scraper conveyor can easily advance towards to the coal layer and can always maintain a horizontal status, so it can be ensured that all coals cut by the coal cutting machine fall onto the scraper conveyor. The scraper conveyor disclosed is durable.
Owner:JIANGSU UNIV OF SCI & TECH
Crane supporting leg device capable of detecting foundation state
InactiveCN113003406AImprove the state of supportEnsure safetyAnalysing solids using sonic/ultrasonic/infrasonic wavesBase supporting structuresClassical mechanicsStructural engineering
The invention discloses a crane supporting leg device capable of detecting a foundation state, and relates to the technical field of engineering construction. The device comprises a supporting leg and a supporting leg base plate, wherein a detection plate is arranged between the supporting leg and the supporting leg base plate, an induction iron sheet is annularly arranged on the supporting leg base plate, at least two electromagnetic induction switches used for detecting the induction iron sheet are arranged on the detection plate, and an ultrasonic generating probe and an ultrasonic receiving probe which can extend downwards are mounted at the bottom of the supporting leg at an interval, are respectively connected with the supporting leg through a spring, and can be inserted into a foundation or abut against the surface of the foundation. According to the invention, the supporting state of the supporting leg of the engineering crane and the foundation state can be rapidly detected before the engineering crane is lifted, so that an overturning accident caused by insufficient counter force of the supporting leg is prevented to a great extent.
Owner:HUNAN INST OF TECH
Octave rain-proof adjusting component and air traffic control radar antenna elevation mechanism employing same
ActiveCN105489998ANo internal rustThere is no stuckAntenna supports/mountingsSupporting systemWork performance
The invention belongs to the technical field of air traffic control radars, and particularly relates to an octave rain-proof adjusting component and an air traffic control radar antenna elevation mechanism employing the same. The adjusting component comprises a bottom support shaft, a middle rotary thread sleeve and a top rainproof sleeve, which are coaxially sleeved one by one, wherein the top rainproof sleeve is in a sleeve structure of which an opening is downward; and the middle rotary thread sleeve can carry out rotary motion along the axis, so that the bottom support shaft and the top rainproof sleeve carry out axially opposite or separate synchronous screw-thread fit motion. Compared with a traditional structure, the component has smaller minimum length and longer jacking stroke when having extremely high rain-proof capability; and the working performance can be significantly improved. Meanwhile, the invention provides the air traffic control radar antenna elevation mechanism employing the adjusting component. The air traffic control radar antenna elevation mechanism structurally comprises a three-point support system comprising two groups of octave rain-proof adjusting components and a group of hinge seats, so that the maintenance frequency of the existing air traffic control radar antenna elevation mechanism is significantly lowered.
Owner:ANHUI SUN CREATE ELECTRONICS
A frame type hoisting device
InactiveCN104150370BLarge structural spanMany fulcrumsLoad-engaging girdersBase supporting structuresEngineeringSupport point
The invention discloses a frame type lifting device. The device comprises two main beams which are mutually parallel and are vertical to a walking guide rail, a walking vehicle which is arranged on the main beams and can walk along the main beam, and a crane which is arranged on the walking vehicle, wherein two supporting legs which are used for supporting the main beams and are formed into a certain included angle are respectively arranged at each end head of the main beams, the plane formed by the two supporting legs is parallel to the walking guide rail, and walking wheels are arranged at the bottom part of the supporting legs. Compared with the prior art, the device has the advantages that a frame type structure with large span and multiple supporting points belongs to a stable structure, and structure stability of the frame type lifting device is obviously improved; the overturn is difficult to generate, and the accident of the overturn can be effectively avoided when the lifting operation is carried out during assembly and molding.
Owner:STATE GRID CORP OF CHINA +2
Crane supporting leg device capable of achieving detection of foundation state
InactiveCN112340621AImprove the state of supportEnsure safetyFoundation testingCranesStructural engineeringMechanical engineering
The invention provides a crane supporting leg device capable of achieving detection of a foundation state, and relates to the technical field of engineering construction. The crane supporting leg device comprises a supporting leg and a supporting leg base plate, and a detection plate is arranged between the supporting leg and the supporting leg base plate; an induction iron sheet is annularly arranged on the supporting leg base plate, and at least two electromagnetic induction switches used for detecting the induction iron sheet are arranged on the detection plate; an ultrasonic generating probe and an ultrasonic receiving probes which can extend downwards are installed at the bottom of the supporting leg at intervals, and each connected with the supporting leg through a spring separately;and the ultrasonic generating probe and the ultrasonic receiving probe can be inserted into a foundation or abut against the surface of the foundation. According to the crane supporting leg device, the supporting state and the foundation state of the supporting leg of an engineering crane can be rapidly detected before hoisting of the engineering crane, and overturning accidents due to insufficient counterforce of the supporting leg are prevented to a great extent.
Owner:HUNAN INST OF TECH
A scraper conveyor and its working method
ActiveCN111439533BThe process is simple and convenientReduce resistanceConveyorsGrain treatmentsThermodynamicsMechanical engineering
The invention discloses a scraper conveyor and its working method, wherein the scraper conveyor includes a general frame, a coal falling conveying part and a follow-up coal falling guide part, the coal falling conveying part is installed on the general frame, and can The coal on the upper surface of the overall frame is transported away, and the coal falling guide part is installed on one side of the overall frame, and the crushing assembly moves with the movement of the coal cutter, so that the coal seam cut by the coal cutter falls onto the overall frame through the crushing assembly On the surface. The scraper conveyor is easy to propel to the coal seam and the scraper conveyor can always be in a horizontal state, which can ensure that all the coal cut by the coal cutter falls on the scraper conveyor. The scraper conveyor disclosed by the invention is durable.
Owner:JIANGSU UNIV OF SCI & TECH
Overturning Test System of Catenary Overhaul Vehicle
ActiveCN103454096BImprove securityAvoid overturning accidentsRailway vehicle testingContact systemOperating environment
An overturning test system for an overhead contact system maintenance vehicle (1), the system comprising: at least one set of rails (2), a connecting rope (3), a first sensor (41), and at least one second sensor (42); the rail set (2) comprises mutually parallel first rail (21) and second rail (22); the second rail (22) is higher than the first rail (21); one end of the connecting rope (3) is fixedly connected to the supporting arm (12) of the overhead contact system maintenance vehicle (1), and the other end of the connecting rope (3)is fixedly connected to the ground or wall surface of the test ground; the first sensor (41) is disposed on the connecting rope (3), and used to measure tensile force on the connecting rope (3); the second sensors (42) are respectively and fixedly disposed on the rail set (2), and used to measure the pressure on the rails (21, 22) by the wheels of the overhead contact system maintenance vehicle (1). The overturning test system for an overhead contact system maintenance vehicle conducts an overturning test on the overhead contact system maintenance vehicle so as to test whether the anti-overturning performance of the overhead contact system maintenance vehicle satisfies requirements in the operating environment, avoiding an overturning accident in later use, and economic loss.
Owner:太原中车时代轨道工程机械有限公司
Cloud processing tilt state recognition system
ActiveCN111288965BGuaranteed uptimeEasy to operateIncline measurementCloud processingComputer graphics (images)
The invention relates to a cloud processing type inclination state identification system. The system includes a signal extraction mechanism, a local processing mechanism and cloud processing equipment, wherein the signal extraction mechanism is arranged in a container distribution place and used for executing image signal capture processing on a container stacking scene so as to obtain a corresponding stacking scene image, and a shooting holder where the signal extraction mechanism is located enables each pixel row of the stacking scene image output by the signal extraction mechanism to be parallel to the ground plane of the container distribution place; the local processing mechanism is composed of a first conversion device, a second conversion device and a third conversion device; and the cloud processing equipment is positioned at the far end of the container distribution place and consists of a first analysis node and a second analysis node. The cloud processing type inclination state identification system is stable in operation and convenient to operate. Due to the fact that a targeted data processing mechanism is adopted to synchronously detect the inclination state of each container, the accident that the container overturns is avoided.
Owner:连云港崇瑞信息科技有限公司
Overturn-preventing undercarriage for rotor aircraft
InactiveCN104960660AAvoid overturning accidentsExtended service lifeUndercarriagesCircular sectionRotary wing
The invention relates to an overturn-preventing undercarriage for a rotor aircraft. The overturn-preventing undercarriage for the rotor aircraft is installed on aircraft supports. The overturn-preventing undercarriage for the rotor aircraft is characterized by comprising an undercarriage having a circular section; the undercarriage is fixed to the bottoms of the supports. According to the invention, the undercarriage is arranged to be circular, the center of gravity of the undercarriage and the center of gravity of the aircraft are located at the same center of gravity line, overturn accidents of unmanned aerial vehicles are avoided during taking off or landing and the service life of the aircraft is prolonged.
Owner:苏州绿农航空植保科技有限公司
Fault double-layer redundancy monitoring method, early warning method and system
ActiveCN113697679BIncreased safety marginAvoid Security Control FailuresCranesSafety gearControl engineeringRedundancy (engineering)
The invention provides a fault double-layer redundant monitoring method, an early warning method and a system, which belong to the technical field of engineering machinery control. The method includes: obtaining sensor data of each operation parameter based on the sensor groups corresponding to the operation parameters on the hoisting device; in the first-level monitoring, based on whether the relevant actual detection value in the sensor data satisfies the configuration conversion relationship to determine whether the hoisting equipment is in the first fault condition, wherein the conversion relationship includes the geometric conversion relationship between the operating parameters corresponding to the relevant actual detected values; in the second-level monitoring, based on the Whether the actual detected value corresponding to the torque in the sensor data satisfies the torque balance relationship with the operating parameters of the corresponding torque, it is determined whether the hoisting device is in the second fault condition, wherein the hoisting device is not in the second fault condition. the first fault condition. The present invention can be used for equipment failure monitoring.
Owner:ZOOMLION HEAVY IND CO LTD
An anti-overturning stabilization method and system for a log snatch vehicle
ActiveCN109399472BAvoid overturning accidentsGuaranteed stabilityCranesLoad-engaging elementsControl systemControl engineering
Owner:AEROSPACE HEAVY IND
Method, device and system for movable hoisting machinery rollover protection
The invention discloses a method, device and system for movable hoisting machinery rollover protection for improving operating security of the movable hoisting machinery, wherein the method comprises the following steps of: acquiring first operating parameter information of an arm frame of the movable-hoisting machinery through a first detection device, acquiring forerake parameter information of a vehicle body of the movable hoisting machinery through a second detection device and acquiring second operating parameter information of a derricking cylinder of the movable hoisting machinery through a third detection device; using a torque balance equation to determine the gravity information of an object hoisted by the movable hoisting machinery by according to the first operating parameter information, the forerake parameter information and the second operating parameter information; and outputting a rake alarm indication so that the movable hoisting machinery cuts operations in the rake direction if the physical value corresponding to the gravity information is greater than the set threshold.
Owner:ZOOMLION HEAVY IND CO LTD
Vehicle body overturning prevention control system and method by electronic differential of dual direct current motor driver
ActiveCN110001417ARealize the turnGuaranteed uptimeSpeed controllerElectric devicesControl systemElectronic differential
The invention relates to the field of intelligent speed control, in particular to a vehicle body overturning prevention control system and method by electronic differential of dual direct current motor driver. The problem of steering safety of a vehicle body under the driving of a two-motor direct current mode is solved. According to the steering process of the vehicle body, the load characteristics of a two-way motor are controlled in real time to be quantified, the collected data is used for analyzing whether the vehicle body has the danger of overturning or not according to the quantized data by a formula; when the vehicle body is about to overturn, the speeds of Speed<1> and Speed<2> of the vehicle body are reduced by f([delta]X), the parameters calculated by [delta]X are added; and inthe differential process, the vehicle body stabilization of the vehicle body can be optimized according to the changes of data parameters. The stability of the vehicle body operation in a two-motor direct current driver using the algorithm can be improved, and the risk of overturning of the vehicle body can be reduced. The vehicle body overturning prevention control system and method ensure the maximum advance speed while ensuring anti-overturning during cornering, so that the vehicle body is safer, more flexible and more efficient. The vehicle body overturning prevention control system and method are mainly applied to the intelligent control over the vehicle body speed.
Owner:山西零度智控设备有限公司
A device and method for calculating the height of the center of gravity of a container ship
ActiveCN110901846BGive quicklyGive exactlyVessel stability improvementMovement controllersMemory cellMarine engineering
The invention discloses a device and method for calculating the height of the center of gravity of a container ship. The device includes a processor unit, a main board, a memory unit, a data storage unit, a display unit, a water gauge sensor and an inclination sensor. The processor unit is used for Process the received data and calculate the height of the center of gravity of the ship and output it; the memory unit is used to send the stored reference data of the ship to the processor unit through the main board; the data storage unit is used to read and store the processor unit The data output by the unit; the display unit is used to display the data output by the processor unit; the water gauge sensor is used to collect draft data and send it to the processor unit, and the inclination sensor is used to collect the horizontal and vertical Dump state data and send to the processor unit. The invention can quickly, accurately and reliably give the height of the ship's center of gravity, use it to perform stability criteria, and avoid the occurrence of ship capsizing accidents.
Owner:上港集团长江港口物流有限公司 +1
Method for safe transfer of pilot from pilot ship to working boat
InactiveCN105151235BEasy to lift and landWon't decoupleCargo handling apparatusClimate change adaptationStopped workMarine engineering
The invention belongs to the technical field of pilotage, and relates to a method for safely transferring a pilot to a work boat from a pilot boat. The method comprises the steps that two parallel supports are arranged on the pilot boat; the ends of the two supports are each connected with a suspension device; the two suspension devices are connected with lifting hooks fixed to the head end and the tail end of the work boat through the ends of chain rings respectively; the suspension devices are started, so that the two ends of the work boat descend at the same time till a deck of the work boat is aligned at a deck of the pilot boat; and the suspension devices stop working. In the process that the pilot boards the work boat, the work boat is closely connected with the pilot boat and cannot shake, and therefore the pilot can safely board the work boat.
Owner:上海港引航站
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