973 results about "Towing" patented technology

A control system for a towed object (1, 6; 20; 30; 50) in or on a body of water comprise one or more towing members (3) extending between the object (1) and a towing vessel (2). One or more ballast members (4) are movably connected to a respective one of said one or more towing members (3) and controllably movable at least a distance along its respective towing member. The towed object (1) may be controlled by moving one or more ballast members (4) on a towing member (3) in order to control the catenary (c) of a towing member (3). Individual ballast members (4) may be manipulated individually in order to correct, preserve or otherwise change the geometry of a trawl.

This invention provides a reciprocating traction system, comprising two sets of longitudinal double-line reciprocating traction systems and one set of horizontal double-line reciprocating traction systems mounted on one side of an anchorage; the two longitudinal double-line reciprocating traction systems are respectively mounted on the upstream and downstream sides, and the horizontal double-line reciprocating traction system is connected to one end of the two longitudinal double-line reciprocating traction systems; the horizontal double-line reciprocating traction system includes a first towing track, a second towing track, a first horizontal traction mechanism, a second horizontal traction mechanism, and a horizontal traction machine; the first and second towing tracks are staggered; this invention can achieve the turning of the main cable strands without the need for a tower crane, reducing the construction period and labor costs associated with tower cranes, and the invention has low tonnage requirements for the horizontal traction machine of the main cable strands, which can reduce equipment investment costs; the method of this invention can achieve simultaneous turning and traction of two main cable strands, improving traction efficiency.

The invention relates to the technical field of test conveying, in particular to a conveying device for cable festoon test equipment, which comprises an assembly cross beam, a horizontally arranged bottom guide rod is arranged below the assembly cross beam, and the outer side of the bottom guide rod is movably sleeved with a plurality of external assembly frames. According to the conveying device for the cable festoon test equipment, the electric trolley is connected with one end of a cable for dragging, the cable is hoisted and supported through the external assembly frame on the outer side of the bottom guide rod, the hoisting state of the cable is simulated, and operation and control are very convenient; the electric control type regulation and control locking device is movably assembled in the bottom storage adjustment frame at the lower end of the electric trolley, storage and limiting adjustment can be conducted on the external assembly frame, the adjacent positions of the external assembly frame at different positions can be changed through the electric trolley, manual adjustment is not needed, operation is easy and convenient, and control is accurate.

The invention discloses a towing operation system and method. The system comprises a towing winch and an anti-loosening device which are arranged on a lower deck in a cabin, and a cable guide device, shark pincers, a stern limiting pin, a height limiting device and a swing stopping device which are arranged on an open-air upper deck; a steel cable and a rope guider are arranged on the towing winch; the anti-loosening device is used for enabling the steel cable to always keep certain tension under the condition that the cable end is not loaded; the cable guiding device comprises a pulley, a pressing wheel and a protective cover, the protective cover covers the cable outlet hole and the pulley, and during operation, the steel cable upwards penetrates out of the cable outlet hole, then bypasses the top of the pulley downwards, penetrates out of the rear side hatch and then bypasses the bottom of the pressing wheel; the height limiting device is used for limiting the height of the point position of the steel cable at the shark pincers; and the oscillation stopping device is used for stopping oscillation of the steel cable. According to the system, the height of a steel cable outlet point can be lowered, water can be prevented from leaking into a cabin from waves on an upper deck, a cable outlet hole is protected against wind and rain, the steel cable can be prevented from being disordered and being scratched with a stern A-shaped frame, and a buoy or a towed ship can be safely replaced under the condition that the steel cable is not unloaded.

The invention relates to the technical field of detection towed body release, in particular to an emergency release device of an underwater towing system. The underwater towing system comprises a depth-keeping towed body and a detection towed body, the detection towed body and the depth-keeping towed body are connected through a photoelectric composite cable, the photoelectric composite cable is composed of a towing cable and a communication cable, and the communication cable is connected with a detection instrument in the detection towed body through a plug connector male head and a plug connector female head which are mutually plugged; the emergency release device is arranged at one end in the detection towed body and comprises a towing cable release mechanism and a communication cable release mechanism; the driving piece drives the trailing cable releasing mechanism to be separated from the trailing cable and drives the communication cable releasing mechanism to be separated from the communication cable; the emergency release device is suitable for releasing the detection towed body in an underwater towing system, depends on a mechanical transmission structure, is stable and reliable, and can realize autonomous separation of the detection towed body when an emergency situation or communication loss occurs, so that the safety and the recovery rate of the detection towed body are improved, and the potential heavy loss is reduced.

The invention discloses a lifting device and method for storage and transfer of an airship pod, and relates to the technical field of storage and transfer of airship pods.The lifting device comprises an upper bracket, two lifting driving assemblies, a middle support, a damping spring, a base, four wheels and a traction rod; through the modular truss structure design, the bearing capacity and the lightweight requirement are both considered; a multi-dimensional vibration reduction system is formed by the vibration reduction springs which are arranged horizontally, longitudinally and transversely and the soft rubber buffer cushion, and the structure and function integrity of the pod in the storage and transfer process can be effectively protected by matching with the flexible moving and locking functions of the universal wheels with brakes; the lifting driving assembly adopts worm and gear transmission to achieve stable lifting and + / -15-degree pitch angle adjustment, an operating hand wheel designed in an ergonomic mode is combined, electric drive is matched, and the requirement for precise adjustment and control of pods is met. And the operation efficiency is greatly improved through the quick disassembly and assembly design of the positioning and fixing assembly and the traction rod.

The invention relates to the technical field of compressors, in particular to a series-connection automobile towing compressor system and an automatic surge control method. The series-connection automobile towing compressor system comprises a plurality of stages of automobile towing compressors, a plurality of temperature reduction devices, a bypass return valve, a plurality of temperature reduction adjusting valves and a plurality of orifice plate flowmeters. The problems that in the prior art, cost is high, energy consumption is large and the control effect is not ideal are effectively solved, the multiple stages of automobile dragging compressors are arranged in series and matched with the temperature reducing device and the bypass backflow valve, effective circulation and temperature control of media are achieved, cost of independently using a surge backflow valve in the prior art is reduced, and meanwhile the control effect is good. Through the arrangement of the vortex shedding flowmeter, the pressure sensor, the temperature sensor and the rotating speed sensor, the inlet flow, pressure, temperature and rotating speed of each stage of compressor are accurately measured, in combination with theoretical surge pressure ratio calculation, the surge risk is pre-judged in advance and automatically controlled, and energy consumption increase caused by premature intervention of a bypass return valve at the low rotating speed is avoided.

The invention discloses a sampling device for water environment monitoring, and relates to the field of sampling equipment.The sampling device comprises an installation support fixedly installed on a monitoring ship body, and further comprises a supporting assembly installed at the top end of the installation support, the supporting assembly comprises a suspension beam and an adjusting mechanism, and one end of the suspension beam is rotationally connected with the top end of the installation support through a rotating shaft A; one side of the suspension beam is connected with an adjusting mechanism for driving the suspension beam to rotate around the axis of the rotating shaft A. The sampling assembly is mounted at the bottom of one end, away from the mounting bracket, of the suspension beam; according to the sampling device for water environment monitoring, the sampling assembly is dragged through the traction assembly, the depth of the sampling assembly can be accurately calculated by measuring the inclination angle and the winding and unwinding length of the traction rope even when water flow is urgent, meanwhile, the arranged tail wing enables the traction rope to incline in the water flow direction, and the sampling effect is improved. Calculation errors caused by the fact that the inclination direction is different from the rotation direction of the guide cylinder are avoided, and the sampling precision and the practical performance are improved.

A pintle hitch assembly includes a hitch member assembly comprising at least two hitch members projecting transverse to and radially outward from a shaft. A hitch member bearing rotatably supports the shaft of the hitch member assembly and is connected to a hitch member bearing mount that is adjustably securable to a draw bar assembly. A collar is secured to the hitch member bearing, and the shaft extends rearward through the collar and between the hitch member bearing and the hitch member assembly. A locking arm is rotatably secured to the hitch member bearing mount and is rotatable from a closed position, which is configured for locking the towing ring in an opening formed between the collar, the hitch member assembly, and the locking arm, to an open position.

The invention discloses a low-cost unpowered plate trailer real-time positioning method and device, a storage medium and a computer program product, and the method comprises the steps: configuring a scanner at a tractor end, configuring a passive label at a plate trailer end, collecting a unique device ID periodically broadcasted by the passive label through the scanner, and determining the grade of the received RSSI value of the unique equipment ID through the scanner, and sending a traction signal to the plate trailer end based on the grade of the RSSI value. According to the invention, the trailer end is sensed based on the tractor head, so that high-cost-performance and high-availability positioning tracking of the power-free trailer is realized. According to the invention, the trailer end can be sensed based on the tractor end, and high-cost-performance and high-availability positioning and tracking of the power-free trailer can be realized.

A power charging system for a towing vehicle and towed vehicle combination for transferring high charging power from a charging device in the towing vehicle to an energy storage device on the towed vehicle. The power charging system is capable of safely transferring at least 1 kW of charging power. The power charging system includes a controller and sensors operably coupled to the controller via a communication system for safely powering the system when needed to charge the energy storage device, and safely de-powering the system prior to disconnecting the high-power charging circuit between the towing vehicle and the energy storage device.

A hitch assembly having a hitch ball attachment for a skid steer or a forklift fork is disclosed. The hitch assembly includes a fork having a hitch receiving area that receives a hitch ball attachment. The fork includes a first frame and a second frame. The first frame includes frame holes aligning with the hitch receiving area. The hitch ball attachment has hitch holes configured to align with the frame holes. Further, the hitch ball attachment has hitch balls of different sizes. Further, the hitch assembly includes a locking pin and a quick release pin. The locking pin inserts through the frame holes and the hitch holes for connecting the hitch ball attachment to the fork while positioning the hitch balls vertically and allow transition between different towing configurations. Furthermore, the hitch assembly includes a connecting member for connecting the hitch ball attachment to the fork.

A reverse control device starts reversing a combination vehicle by autonomous driving only when conditions for appropriately performing the autonomous driving are satisfied, and stably reverses the combination vehicle by the autonomous driving. The autonomous driving functions as a reverse control device and is installed in a towing vehicle of a combination vehicle in which a towed vehicle is connected to the towing vehicle, and controls the towing vehicle during autonomous reverse driving for reversing the combination vehicle by autonomous driving. The autonomous driving starts the autonomous reverse driving when towing reverse start conditions are satisfied, the towing reverse start conditions including that the speed of the towing vehicle is equal to or less than a predetermined value, and that steering torque of the towing vehicle is equal to or less than a predetermined value.

An icehouse floor sled device is provided. The device is comprised of a corrosion-resistant frame that may receive an icehouse. The device incorporates features such as runners for smooth movement on snow or ice, a foldable design with locking hinges for compact storage, and a hitch adaptable to various towing vehicles. A polycarbonate floor provides a stable surface, with customizable openings for ice augers that can be sealed securely with threaded lids. The device includes dedicated receiving areas for safely securing equipment, such as molded recesses for propane canisters and vertically aligned posts with cushioned grips for ice augers. Fasteners and vibration-dampening mounts ensure stability during transport, while modular and adjustable components offer user-friendly customization.

The invention discloses a gearbox for an electric drive axle. Comprising a main motor, an input shaft, an intermediate shaft, an output shaft, a gear shifting mechanism, a planetary gear mechanism, a fixed tooth holder, a first power transmission mechanism used for transmitting power from the main motor to the input shaft, and a second power transmission mechanism used for transmitting power from the input shaft to the intermediate shaft and the output shaft. The planetary gear mechanism comprises a sun gear connected with the intermediate shaft, a planet carrier assembly connected with the differential mechanism assembly, a planet gear arranged on the planet carrier assembly and meshed with the sun gear, and a gear ring assembly meshed with the planet gear. The gear shifting mechanism is arranged to be matched with the fixed tooth holder, the planet carrier assembly and the gear ring assembly, and the planet gear mechanism is controlled to be switched among the neutral gear state, the first gear state and the second gear state. According to the gearbox for the electric drive axle, the planetary gear mechanism capable of being switched to the neutral gear state is arranged, and mechanical disconnection of the tail end of a transmission chain during parking power take-off of the electric drive axle and cruising and trailer can be achieved. The invention further discloses an electric drive axle and an automobile.

The invention relates to the technical field of underwater towing, in particular to an underwater towed body towing performance design method, which comprises the following steps of: performing static dynamic analysis on a towed body; carrying out dragging dynamics analysis on the towed body; constructing a towed body structure model, and performing hydrodynamic simulation calculation; establishing a dynamic coupling numerical simulation model of the towing system; and carrying out dragging attitude simulation, and obtaining an optimal design scheme. According to the invention, key indexes such as trim and rolling of the towed body in the towing system are ensured to meet the stability standard, so that the urgent requirements of marine acoustic detection on high precision and high reliability are met.

The invention relates to a method (100) for stability control of a vehicle combination (10) for a towing vehicle (12) configured to tow a trailer (14). The method first comprises determining module data (18a-18g) of at least one module (16a-16g) of the towing vehicle (12), determining characteristic data (24) of the trailer (14) as a function of the module data (18a-18g), and determining driving condition data (28) of the towing vehicle (12). Furthermore, a critical driving condition (126) of the trailer (14) is detected based on the determined characteristic data (24) and the driving condition data (28), and a measure is executed by the towing vehicle (12) in the event of a detected critical driving condition.

The invention provides a submarine cable dynamic laying path control method based on towing cable tension and attitude feedback, and the method comprises the steps: carrying out the tension data collection of a towing cable of a submarine cable laying ship through a first tension measurement mode, and generating a first tension measurement result; dynamically optimizing the towing cable tension data in the first tension measurement result based on a second tension measurement mode to obtain a second tension measurement result; and adjusting the path points in the second tension measurement result in combination with attitude feedback and a third tension measurement mode to generate a final submarine cable laying path control result. According to the method, dynamic control over the submarine cable laying path is achieved through multi-stage tension measurement and attitude feedback, and laying precision and stability are improved.

The invention relates to the technical field of submarine optical cable burying, in particular to a submarine optical cable curve burying ship position line planning method and system based on parameterization calculation. The method comprises the following steps: setting a routing point and a steering point, determining the radius of an internally tangent turning circle, and enabling the internally tangent turning circle to be respectively tangent to the point; calculating the horizontal towing distance of the burying plough; respectively extending from the tangent points along the extension direction of the route to obtain the stern position at the beginning of steering and the stern position at the end of steering, and calculating the radius of the ship position circle; and calculating a ship head direction change angle arc length, a ship true course, a ship relative azimuth angle and a ship moving distance when the ship moves in the true azimuth angle each time when the ship moves each time, and finally completing the calculation of the embedded ship position when the ship steers. The technical problems that in the prior art, submarine optical cable steering and burying depend on visual observation and past experience of an operator, so that precision is poor, and the burden of the operator is heavy are effectively solved.

The invention relates to a vehicle rear traction assembly which comprises a cross beam and a traction part, connecting structures are arranged at the two ends of the cross beam in the first direction respectively, each connecting structure comprises a first mounting support, a second mounting support and a reinforcing piece, the first mounting supports are connected to the cross beam, and the second mounting supports are connected to the reinforcing pieces. The first installation support is connected with the second installation support and provided with a first installation part for installing a rear bumper, the second installation support is connected to the first installation support and provided with a second installation part connected with a frame, and the reinforcing piece is connected with the first installation support and the second installation support. The reinforcing pieces, the first installation support and the second installation support which are located on the same side of the cross beam in the first direction jointly define a rectangular frame structure, the first installation support and / or the second installation support are / is provided with via holes for the ends of the cross beam to penetrate through, and the inner walls of the via holes are connected with the peripheral face of the cross beam. The vehicle rear traction assembly is simple in structure, high in integration level and wide in application range.

The invention provides a shipborne temperature and salt drag data space-time correction method and system based on dynamic positioning, and the method comprises the steps: collecting drag chain attitude data and ship maneuvering data in real time, and obtaining an initial three-dimensional offset estimation value; obtaining corrected drag chain attitude data based on the initial three-dimensional offset estimation value and the marine environment interference information; if the corrected drag chain attitude data shows that the position deviation parameter exceeds a preset deviation threshold value, ship maneuvering data are corrected, and real-time space positioning coordinates of the drag chain are obtained; on the basis of the real-time space positioning coordinates, correcting a ship-borne temperature and salt dragging data acquisition time sequence to obtain matched geographical attribution information; and if the matched geographical affiliation information and the preset initial geographical affiliation data are misplaced, the dynamic deviation parameter is adjusted, and a space-time synchronization correction value is obtained. According to the method, a dynamic positioning technology is utilized, the space-time error of the shipborne thermohaline drag chain data is corrected in real time, the space-time consistency of the data is ensured, and the space-time resolution of the thermohaline data is improved.

A trailer control valve for controlling a hydraulic dual-line brake system of a trailer vehicle has an inlet for a hydraulic supply line of the towing vehicle, a tank outlet for an unpressurized return-flow line of the towing vehicle, a brake pressure outlet, and a supplemental pressure outlet. The brake pressure outlet can be connected in a stepped manner with an electronically controlled brake control valve to the supply pressure inlet or to the tank outlet. The supplemental pressure outlet can connect using a valve arrangement so that an outlet pressure of the supply pressure is reduced to a supplemental pressure at the supply pressure inlet or at the tank outlet. The valve arrangement has a pressure-limiting valve and a shut-off valve arranged in series. The shut-off valve can be a 3 / 2-way valve, which when not energized, the supplemental pressure outlet is connected to the tank outlet.

An electrified vehicle includes a human-machine interface to enable towed vehicle mode and specify a desired traction battery charge upon arrival at a destination. A controller is programmed to vary charging rate of the traction battery while the electrified vehicle is being towed over a user-specified distance to the destination to obtain the user-specified target charge for the traction battery upon reaching the destination. The target charge may be entered as a percentage state of charge (SOC), a distance to empty (DTE), or Watt hours, and converted to net energy input required for the traction battery. The controller distributes the charging load over the entire distance to reduce the affect on the drivability and efficiency of the towing vehicle by varying regenerative braking of the electric machine(s) while being towed to provide a net energy needed to obtain the target charge upon reaching the destination.

A folding handcart includes a frame assembly including: four upright rods, a bottom frame assembly, a front-rear arm assembly and a side enclosure assembly. By connecting the front-rear arm assembly to the bottom frame assembly, the front-rear arm assembly has a certain inclined angle relative to the ground, which is close to an angle of an everyday seat backrest, significantly enhancing comfort when children are riding. Meanwhile, the inclined angle of the front-rear arm assembly makes an opening length of the folding handcart greater than a bottom length, making it easier to load items and providing more storage space. When the folding handcart is folded, the front-rear arm assembly can close, thereby forming a shape similar to a suitcase, which greatly improves neatness of product storage; and the push rod can be erected to serve as a towing handle for dragging, thereby enhancing the convenience of product handling.

The present disclosure provides a towing system for controlling the operation of a towed vehicle through the towing vehicle, where the towing vehicle comprises an assembly of a control lever, an e-pedal, and a dashboard screen, wherein the control lever is pulled backwards to generate and collect energy from the towed vehicle into a battery and control lever is pushed forward to use such energy to selectively propels the towing vehicle forward to gain momentum thus easing the load on the engine of the towing vehicle.

The invention relates to the field of computer technology application, and provides a drag operation constraint-based gate position association method, which comprises the following steps of: determining an association main body needing to be split based on association main body information to obtain the association main body information subjected to main body splitting as intermediate association main body information, obtaining an initial candidate associated subject set corresponding to each first position based on the intermediate associated subject information and the associated position information; obtaining a target association sequence, and obtaining a target association result corresponding to the target association sequence based on the drag operation constraint information and the Monte Carlo search tree; and based on a target association result corresponding to the target association sequence, associating the remaining association subjects with the second position. According to the method, the dragging operation constraint is introduced to solve the problem of low airport near-aircraft-position bridge approaching rate, a collaborative decision-making mechanism of aircraft dragging operation constraint and aircraft position distribution is established, and global joint optimization of aircraft position distribution and dragging operation is realized through a Monte Carlo search tree model.

The invention discloses a system for judging a dragging relation between a powered headstock and an unpowered trailer, and relates to the field of systems for judging the dragging relation between the powered headstock and the unpowered trailer, which comprises a powered vehicle-mounted terminal and an unpowered vehicle-mounted terminal, each of the powered vehicle-mounted terminal and the unpowered vehicle-mounted terminal comprises a near-field Bluetooth local area network, an inertial navigation system, a Beidou / GPS positioning system, a 2G / 4G network access system, a platform management system and a solar power supply. According to the invention, through the near-field Bluetooth local area network, the unpowered vehicle-mounted terminal can conveniently send the Bluetooth short-distance networking application to the powered vehicle-mounted terminal through the near-field Bluetooth local area network, so that networking between the unpowered vehicle-mounted terminal and the powered vehicle-mounted terminal in the range is realized; relative dynamic and static states and position error information are determined through a carried inertial navigation system and a Beidou / GPS positioning system, and comparison is carried out according to the dynamic and static states of the unpowered vehicle-mounted terminal and the power vehicle-mounted terminal and the position information of the unpowered vehicle-mounted terminal and the power vehicle-mounted terminal.

The invention belongs to the related technical field of underwater communication equipment, and discloses a variable-depth pull-type buoy body, the overall appearance of the variable-depth pull-type buoy body is of a wing-shaped structure, and the variable-depth pull-type buoy body comprises flow stop plate assemblies, an antenna assembly, a watertight instrument cabin, a pull sliding block and a horizontal rudder assembly, the antenna assembly is arranged in a groove in the upper surface of the wing-shaped structure, and the whole watertight instrument cabin is pre-buried in the wing-shaped structure; the dragging sliding block is arranged on the lower surface of the wing-shaped structure and can move front and back, the diving rudder assembly can change the attack angle of the diving rudder, and therefore the underwater depth and posture of the buoy body can be adjusted through cooperation of the diving rudder assembly and the diving rudder assembly. According to the invention, rapid switching between a water surface working state and an underwater working state can be realized, and a function of real-time depth control in an underwater towing process is realized; in addition, when the buoy body sails underwater along with the platform, no obvious signal characteristic exists on the water surface, good working concealment is achieved, and the communication capacity of the deep-sea movable underwater platform can be effectively improved.

The invention belongs to the technical field of aircraft assembly, and discloses an aircraft front wheel turning angle monitoring device and method, and the device comprises a mechanical sensing module, a signal processing module and a signal receiving device. The mechanical sensing module is detachably mounted on a shock strut of a nose landing gear of an aircraft, and the rotary motion of the shock strut is converted into a linear displacement signal through a gear transmission mechanism in the mechanical sensing module; the signal processing module analyzes the displacement signal into a front wheel turning angle electric signal; and the signal receiving device receives and displays the angle value. The invention further discloses a corresponding monitoring method. The device adopts a modular and non-invasive design, solves the problems that the turning angle of the front wheel cannot be monitored in real time and the over-limit risk exists in the aircraft traction process, has the advantages of being convenient and fast to install, accurate in measurement and wide in applicability, and remarkably improves the safety and the working efficiency of flight guarantee.

A system and method for assisting a drag operation of a floating wind turbine (FWT) is disclosed. The FWT is provided with a wireless communication system and at least one position sensor for measuring the position of the FWT in at least three degrees of freedom. The main towing vessel is connected to the floating wind turbine by a towing line. The main dragging ship comprises a winch, a DP system and a two-way wireless communication system. A drag assist system / module / controller may be combined with a DP system. The one or more auxiliary drag vessels are connected to the floating wind turbine by drag lines. And one or more auxiliary dragging ships are provided with a two-way wireless communication system. A drag assist system / module / controller calculates setpoints (forces and directions) for all drag ships based on one or more input parameters from the floating wind turbine, one or more input parameters from each auxiliary drag ship, and one or more input parameters from the main drag ship.