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241 results about "Cable driven" patented technology

Anti-toppling movable type flexible cable parallel spraying robot for large-space operation

The invention discloses an anti-toppling movable flexible cable parallel spraying robot for large-space operation, which comprises a tail end executing mechanism and a plurality of groups of movable flexible cable driving devices, each group of movable flexible cable driving device comprises a movable base, and a profile frame and a flexible cable driving mechanism are respectively mounted on the movable base; a self-adaptive adjusting anti-roll device is further installed on the movable base of each movable flexible cable driving device, and the structural size of the movable base can be adjusted. And in each group of movable flexible cable driving devices, the flexible cable driving mechanism outputs a driving flexible cable, and the driving flexible cable bypasses a pulley of the self-adaptive adjustment anti-roll device, then bypasses a cable outlet point pulley on the profile frame upwards and then is connected to the tail end executing mechanism. Force balance of the movable base can be achieved in a self-adaptive mode when the tension of the flexible cable is large, real-time monitoring of a sensor is not needed, and the movable base is prevented from toppling by adjusting the structural size of the movable base.
Owner:HEFEI UNIV OF TECH

Solar panel automatic cleaning device for large photovoltaic power plant

The invention provides an automatic solar panel cleaning device for a large photovoltaic power plant. The automatic solar panel cleaning device comprises a walking mechanism, a cable driving mechanism, a rolling brush cleaning mechanism and a panel side limiting mechanism. The walking mechanism is installed on a track above the top edge of the photovoltaic panel and moves left and right along the track. The rope arranging mechanism is connected with the walking mechanism through a shell, comprises two independent cable arranging devices, is driven by two motors and is used for winding and arranging a steel wire rope so as to keep stable operation of the cleaning mechanism. The cleaning mechanism is hung below the walking mechanism through two cables and vertically moves along the surface of the photovoltaic panel to achieve cleaning. The plate side limiting mechanisms are symmetrically installed on the cleaning mechanism, can be tightly attached to the side vertical face of the photovoltaic plate or the edge of the frame and are used for assisting the cleaning mechanism in vertically moving on the plate face. The device has the advantages of being simple in structure, high in adaptability, stable in operation and high in cleaning efficiency, and is suitable for efficient and automatic cleaning of large-area solar panels.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Charging pile with self-locking type anti-falling direct current charging gun

The invention relates to the technical field of charging piles, and particularly discloses a charging pile with a self-locking type anti-falling direct-current charging gun, the charging pile comprises a charging pile body, the charging gun and a cable, the charging gun comprises a shell and a locking arm, a self-locking mechanism and a protection mechanism are arranged in the charging gun, the self-locking mechanism comprises a sliding sleeve, a sliding block and a connecting piece, and the sliding sleeve is connected with the cable. The locking arm is provided with a locking part and an unlocking part, the protection mechanism comprises a movable block, a reset spring and an overload spring, the cable has length redundancy in the charging gun, the cable drives the sliding sleeve to move by means of the self weight of the cable, the sliding block is driven to move to the position below the locking arm to form physical support, self-locking is achieved, poor contact is prevented, and when overload pulling force such as car sliding occurs, the cable is locked. The slide block is driven to cross the locking part and forcibly trigger the locking arm to unlock, and the overload spring is matched to push the charging gun to automatically separate; the problems that the charging gun is prone to loosening due to cable dragging and cannot be automatically released in danger are solved, and unification of rigid safety and flexible protection is achieved.
Owner:WUHAN XINZHOUHUAGUANG ELECTRICITY CO LTD

Under-drive-all-drive dual-mode robot multi-fingered dexterous hand

The invention discloses an under-drive-all-drive dual-mode robot multi-fingered dexterous hand, and belongs to the technical field of robots. The dexterous hand comprises a palm and a plurality of fingers; each finger is provided with a tendon rope transmission system, a second driving assembly, a third driving assembly, a fourth driving assembly and a fifth driving assembly; each finger comprises a base, a base joint, a near-end knuckle, a middle knuckle and a far-end knuckle which are connected in sequence; the base is fixed on a palm; a two-degree-of-freedom finger base joint and a face gear-based mode switching mechanism are designed, so that the dexterous hand can be allowed to work in a full-drive mode or an under-drive mode, and the control complexity of dual-mode coupling is reduced through a mechanical structure. The double modes of the rigid dexterous hand are proposed and realized for the first time, the humanoid dexterous property of the dexterous hand is ensured, the highly integrated design of the dexterous hand is realized, and the universality of the dexterous hand is enhanced.
Owner:ZHEJIANG UNIV OF TECH

Decoupling tool shaft from cable drive load

A surgical tool is provided that includes a hollow shaft and a cable extending within the shaft such that the cable is isolated from external forces imparted to the shaft; the shaft and a carriage are included as links of a 4-bar linkage that also includes first and second side links that are rotatably mounted to the carriage at respective first and second distal pivot axes and that are rotatably mounted to the shaft at respective first and second proximal pivot axes; the segment of the cable extends between a distal pulley rotatably at the carriage and a proximal pulley rotatably mounted at the shaft and a segment of the cable extends within the shaft; a distance between the first distal and first proximal pivot axes matches a distance between an axis of the distal pulley axis and an axis of the proximal pulley such that a rocking motion of the 4-bar linkage due to external force upon the shaft exerts no force upon the cable.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Anti-torsion long-stroke multi-stage sealing telescopic structure

The invention belongs to the technical field of in-service inspection of pressure pipes, and discloses an anti-torsion long-stroke multistage sealing telescopic structure which comprises a main cable driving guide assembly and a rigid chain driving assembly which are connected, the rigid chain driving assembly is installed at one end of a support guide rail assembly, and a rigid chain library is arranged below the support guide rail assembly. A rigid chain is arranged in the rigid chain library, the multi-stage telescopic sleeve is arranged on the support guide rail assembly in a penetrating mode, the front end of the rigid chain is connected with the tail end of the multi-stage telescopic sleeve, and the rigid chain driving assembly drives the rigid chain to move so as to drive the multi-stage telescopic sleeve to retract and expand. The in-service inspection of the CANDU nuclear reactor pressure pipe can be realized, the driving stroke is long, the circumferential torsional rigidity is enough, the sealing performance is realized, the inspection tool is continuously pushed forwards, the stroke range of the inspection tool covers the whole length of the pressure pipe, and in the inspection execution process, each sealing part of each stage of telescopic component does not generate visible leakage.
Owner:CHINA NUCLEAR POWER OPERATION TECH CORP +2

Variable stiffness analysis method and system for accurate control of coaxial rope-driven robot, and computer storage medium

The invention discloses a variable stiffness analysis method and system for precise control of a coaxial rope-driven robot and a computer storage medium. According to the invention, a stiffness model is established, and a variable stiffness analysis method for accurate control of the coaxial rope-driven robot is provided. The stiffness model modeling method comprises the following steps: establishing a kinematic model of a robot by using a biarc method; calculating a stiffness matrix of the central elastic skeleton by adopting a Moire integral method; calculating stiffness matrixes of other parts by adopting a virtual work principle; and calculating a total stiffness matrix and establishing a stiffness model. On the basis of given rope driving force and whole arm configuration, the total rigidity of the coaxial rope-driven robot can be calculated based on the established rigidity model; judging whether the difference value between the actual rigidity in a certain direction and the expected rigidity is smaller than a safety threshold value or not, and if not, adjusting the first section arc length and the rope driving force according to a rigidity model; if the judgment result is yes, the configuration, the rigidity and the rope driving force are output, and variable rigidity control is achieved.
Owner:SHANDONG UNIV OF TECH

Rigid-flexible coupling welding robot based on topological structure

The rigid-flexible coupling welding robot based on the topological structure comprises three flexible cable driving units and an end effector, and the three flexible cable driving units are distributed outside the end effector in a surrounding mode. The first group of flexible cable driving units, the second group of flexible cable driving units and the third group of flexible cable driving units are used as double-cable driving mechanisms to respectively output upper and lower strands of flexible cables, and are used for connecting two different height positions on the corresponding sides of the end effector, so that six-cable driving of the end effector is realized; or, the first group of flexible cable driving units and the second group of flexible cable driving units serve as double-cable driving mechanisms to output upper and lower strands of flexible cables respectively, and the third group of flexible cable driving units serve as three-cable driving mechanisms to output two strands of upper flexible cables and one strand of lower flexible cable which are connected with three different positions on the corresponding sides of the end effector respectively. And seven-cable redundant driving of the end effector is realized. The mechanism breaks through the inherent contradiction between the operation space and the motion precision of a traditional serial connection structure, and is closer to the actual working condition.
Owner:HEFEI UNIV OF TECH

Window regulator assembly and rail sliders for this purpose

The invention relates to a window regulator assembly (1) comprising at least one guide rail (2, 3) with a rail slider (4) guided thereon and with a drive interface (8) for a window pane (5), and a cable drive (9) which is coupled to a pull cable (10) which is coupled to the rail slider (4), wherein the rail slider (4) has a cable chamber (16) into which a cable nipple (17) attached to the pull cable (10) and a damping element (18), in particular for mechanical and / or acoustic decoupling, can be received or inserted.
Owner:BROSE FAHRZEUGTEILE GMBH & CO KG

Stand column telescopic structure on running machine

The invention relates to the technical field of fitness equipment, in particular to a stand column telescopic structure on a treadmill, which comprises two stand column assemblies, and each stand column assembly comprises an outer stand column and an inner stand column which can be relatively telescopic. The two ends of the handrail assembly are hinged to the upper ends of the inner stand columns respectively. And the telescopic locking mechanism is fixed in the inner stand column and arranged in the outer stand column. One end of the cable is fixed to the handrail assembly, and the other end of the cable is connected with the telescopic locking mechanism. When the handrail assembly rotates, the cable drives the telescopic locking mechanism to act so as to lock or unlock the relative position of the outer stand column and the inner stand column. The scheme has the advantages of simplifying the operation process and improving the user experience.
Owner:ZHEJIANG ARCANA POWER HEALTH TECH LTD

Multifunctional underwater winch for deep sea operation

The invention relates to a multifunctional underwater winch for deep sea operation, which comprises a winch frame, a cable storage and arrangement mechanism, a cable guide mechanism, a cable towing mechanism and a docking mechanism are arranged in the winch frame, the cable storage and arrangement mechanism is provided with a cable storage drum and a cable arrangement assembly, the cable guide mechanism is provided with a cable steering guide wheel, and the cable steering guide wheel is connected with the docking mechanism. The cable towing mechanism is provided with a guide frame, a cable towing wheel and a cable towing driving device, the cable towing wheel is driven by the cable towing driving device to rotate, the head end of a cable is led out of the cable storage winding drum, then passes through the cable arrangement assembly, then sequentially bypasses the cable steering guide wheel, the guide frame and the cable towing wheel, penetrates through the butt joint mechanism and then is connected with a connecting piece, and the connecting piece is connected with the cable storage winding drum. Movable connecting piece locking blocks are arranged on the two sides of the interior of the butt joint mechanism, and after the cable is completely folded, the upper end of the connecting piece is inserted into the butt joint mechanism and clamped and locked through the connecting piece locking blocks on the two sides. The device is high in integration degree and high in cable take-up and pay-off action and control reliability, and can meet the requirements of deep sea operation.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Decoupling tool shaft from cable drive load

A surgical tool includes a shaft and a cable within the shaft, the cable being isolated from external forces imparted to the shaft; the shaft and a carriage are links of a 4-bar linkage that also includes first and second side links rotatably mounted to the carriage at respective first and second distal pivot axes and that are rotatably mounted to the shaft at respective first and second proximal pivot axes; the cable segment extends between a distal pulley rotatably at the carriage and a proximal pulley rotatably mounted at the shaft, a cable segment extends within the shaft; a distance between the first distal and first proximal pivot axes matches a distance between a distal pulley axis and an axis of the proximal pulley such that a rocking motion of the 4-bar linkage due to external force upon the shaft exerts no force upon the cable.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Portable water flow velocity measuring device for water conservancy detection

The utility model relates to the technical field of water conservancy detection, and discloses a portable water flow velocity measuring device for water conservancy detection, which comprises a detection main body and a display main body, an extension support is sleeved on the outer surface of the detection main body, and two groups of guide holes are arranged on the right side surface of the extension support. A guide steel cable is inserted into the inner wall of each guide hole, and two limiting assemblies are arranged between the two guide steel cables. According to the portable water flow velocity measuring device for water conservancy detection, personnel can determine the detection range according to needs through the guide steel cable, after the detection range is determined, the guide steel cable is driven to move along the distance adjusting hole in the limiting assembly, and the guide steel cable drives the detection main body to move through the extension support; and the detection main body is inserted into the flow channel water body after moving to the detection range, so that the adaptability of the device to different flow channels is greatly enhanced, the arrangement convenience of the device is effectively improved, and the practicability of the device is enhanced.
Owner:HUANGSHAN ANCHAN CONSTR ENG CO LTD

A multi-cable, large-span, top-moving power supply aerial facility system

The present invention discloses a multi-cable, large-span, top-moving power supply aerial facility system. A performance venue is suspended with load-bearing and power supply cables, and a cable tug group, a cable tug head, and a running trolley are suspended on the load-bearing and power supply cables. A sling assembly is provided below the running trolley. A lifting wire rope is connected to the sling assembly and the running trolley, and the lifting wire rope is connected to the drive assembly and the steel column assembly. A traveling wire rope is fixed to the running trolley, and the traveling wire rope is connected to the drive assembly. A circulating wire rope is connected to the cable tug group and the cable tug head, and the circulating wire rope is connected to the cable drive device. Cables and / or optical fibers are arranged on the cable tug group and the cable tug head. The advantages are: the system can achieve synchronous and coordinated operation of lifting, walking, and mobile power supply. The props that are suspended, lifted, flipped, and rotated can be adjusted along the curve on the load-bearing and power supply cables with flexible slopes, solving the problem of strong and weak electricity and optical cable signal transmission on the cables.
Owner:BEIJING BEITE SHENGDI TECH DEV CO LTD

Energy-absorbing anti-collision anchor cable assembly and control method thereof

The application discloses an energy-absorbing anti-collision anchor cable assembly and a control method thereof, and the energy-absorbing anti-collision anchor cable assembly comprises an anchor cable, an energy-absorbing sleeve, a tray, a variable-taper-angle and diameter-expanding table, a temperature control assembly and a pressure detection assembly. The variable-taper-angle and diameter-expanding table is arranged in the energy-absorbing sleeve and connected with the anchor cable, so that the anchor cable drives the variable-taper-angle and diameter-expanding table to axially slide relative to the energy-absorbing sleeve when the anchor cable is subjected to impact stretching. Meanwhile, the pressure detection assembly detects the radial contact pressure between the shape memory alloy and the inner wall of the energy-absorbing sleeve, and the temperature control assembly controls the outer expansion taper angles of different shape memory alloy groups, so that the variable-taper-angle and diameter-expanding table and the energy-absorbing sleeve form a graded and adjustable frictional energy-absorbing resistance.
Owner:HUNAN UNIV OF SCI & TECH +1

Multi-proportion multi-output-port steel cable driving mechanism and fitness device

The utility model discloses a multi-proportion multi-output-port steel cable driving mechanism and a fitness device, and belongs to the technical field of fitness equipment. A multi-proportion multi-output-port steel cable driving mechanism comprises a supporting frame, a balance weight seat is slidably connected to the supporting frame, a movable pulley A is fixedly connected to the upper portion of the balance weight seat, a first steel cable is arranged on the supporting frame, the two ends of the first steel cable are fixedly connected with limiting pieces, and the end of the first steel cable is limited by the supporting frame through the limiting pieces. The first steel rope bypasses the lower surface of the movable pulley A; a second steel cable is arranged on the supporting frame, the fixed end of the second steel cable is connected with a movable pulley B, and a fixed pulley block A is arranged between the movable pulley B and the movable pulley A. The first steel cable bypasses the lower surface of the movable pulley A and then bypasses the upper surface of the fixed pulley block A and the lower surface of the movable pulley B. By arranging the second steel cable and the third steel cable, when the free ends of the second steel cable and the third steel cable are pulled, the internal force of the first steel cable can be changed, and the balance weight seat is pulled upwards.
Owner:QINGDAO YINGBOER SPORTS EQUIP CO LTD

A cable-driven tensegrity exoskeleton wrist

The application provides a kind of based on the tension whole wrist exoskeleton of cable drive, including battery pack and drive unit, first support exoskeleton is adapted to patient's forearm by wearing;Second support exoskeleton is adapted to patient's palm by wearing;Flexion and extension tensioning piece and ulnar and radial tensioning piece are sequentially threaded through first support exoskeleton and second support exoskeleton, when flexion part extends from first direction to flexion and extension drive part, extension part extends along second direction opposite to first direction, when ulnar deviation part extends from third direction to ulnar and radial drive part, radial deviation part extends along fourth direction opposite to third direction, flexion part, extension part, ulnar deviation part and radial deviation part are respectively matched with first support exoskeleton and second support exoskeleton to provide at least four direction degrees of freedom of wrist joint movement.The application can realize that patient wears conveniently and provides multiple degrees of freedom for wrist joint movement, and then improves the treatment effect of patient rehabilitation training.
Owner:BEIJING UNIV OF TECH

Eight-degree-of-freedom flexible cable parallel robot motion simulation device

The invention discloses an eight-degree-of-freedom flexible cable parallel robot motion simulation device, and belongs to the technical field of robots and motion simulation. The device comprises an external supporting frame, an internal frame, a sliding rail, a robot supporting frame, a posture executing mechanism, a pulley module, a flexible cable and a flexible cable driving source. The inner frame is arranged on the outer supporting frame in a transverse moving mode through the sliding rails, the robot supporting frame is arranged on the inner frame in a longitudinal moving mode through the sliding rails, and two orthogonal linear motion freedom degrees are formed. The posture executing mechanism is of a regular pentagonal inverted prism structure and is suspended in the robot supporting frame through eight flexible cables, the flexible cables are connected in a longitudinal and transverse staggered and crossed layout mode, and the flexible cables are controlled by eight flexible cable driving sources to be wound and unwound, so that the mechanism has the space six-degree-of-freedom movement capacity. According to the invention, through a 2 + 6 composite degree-of-freedom system, real physical simulation of transverse and longitudinal continuous overload and precise control of spatial attitude are realized, and the reality sense and immersion sense of high-dynamic simulation scenes such as flight and vehicles are remarkably improved.
Owner:CHONGQING FREE ROBOT CO LTD

Picking manipulator

The present invention relates to the field of berry picking devices, and in particular to a picking manipulator, comprising a picking apparatus and a cable drive. The picking apparatus comprises a manipulator housing, a first mechanical jaw, and a second mechanical jaw; the first mechanical jaw and the second mechanical jaw are arranged opposite to each other and are separately rotatably connected to the manipulator housing, and an accommodating cavity for placing berries is formed between the first mechanical jaw and the second mechanical jaw; the cable drive comprises a sliding block, a cable clamp base, and at least two picking cables; and each of the multiple picking cables has one end connected to the sliding block and passing through the cable clamp base, and the other end separately connected to the first mechanical jaw and the second mechanical jaw. The sliding block can move back and forth along the length direction of the picking cables, and during the movement of the sliding block, the picking cables are tensioned to overlap or loosened to pick or detach berries, while the first mechanical jaw and the second mechanical jaw perform opening and closing motions. By using the present invention, when performing berry picking, the picking process is highly automated, and berries are not prone to damage.
Owner:GUANGDONG OCEAN UNIVERSITY

Electric sunshade curtain driven by closed-loop inhaul cable

The utility model discloses a closed-loop inhaul cable driven electric sunshade curtain which comprises a guide rail, a front seat frame arranged at one end of the guide rail and a rear cross beam arranged at the other end of the guide rail, a sunshade curtain assembly is arranged on the rear cross beam, and an inhaul cable assembly for driving the sunshade curtain assembly to be opened or closed is arranged on the front seat frame. A pulley block is arranged on the rear cross beam and the guide rails, the inhaul cable assembly comprises a wire wheel, a driving inhaul cable wound on the wire wheel and a driving unit for driving the wire wheel to rotate, the driving inhaul cable extends towards the guide rails on the two sides respectively, and the driving inhaul cable is wound on the pulley block and connected with the pulley block to form a closed-loop inhaul cable path; a self-winding structure is arranged on the sunshade curtain assembly so that the sunshade curtain assembly can have self-winding force, the spreading end of the sunshade curtain assembly is connected with the driving inhaul cable, and the driving unit drives the wire wheel to rotate clockwise or anticlockwise so that the driving inhaul cable can drive the sunshade curtain assembly to be wound or unwound.
Owner:NINGBO SHANGHONG AUTOMOBILE SKYLIGHT CO LTD

All-terrain vehicle tire pressurizing type escape system and escape method

The invention discloses an all-terrain vehicle tire pressurizing type escape system and method, and belongs to the technical field of off-road vehicle auxiliary devices. The system comprises a fixed beam arranged on a frame; the force transmission mechanism forms a tripod structure; the arc-shaped pressing block is used for applying pressure to the tire; the simple inhaul cable system is arranged at the operable position on the side of the driver seat and connected with the force receiving sliding block. The escape method comprises the steps that a rider keeps a sitting posture, the gravity center of the body inclines forwards 0.5 seconds before stepping on an accelerator, and meanwhile the simple inhaul cable system is operated; the arc-shaped pressing block applies downward pressure to the upper surface of the tire through the inhaul cable driving force transmission mechanism; after pressure application is confirmed, accelerator acceleration is immediately followed, and the synergistic effect of body gravity center transfer, mechanical supercharging and power output is achieved. The normal pressure of the tire is actively increased in a mechanical mode, the adhesion coefficient of the tire and the ground is increased, and the problem of tire slipping when a vehicle is trapped is solved; a seat side control design is adopted, so that a single person can get out of trouble autonomously.
Owner:浙江永途动力科技有限公司

A six-degree-of-freedom cable-driven teleoperation master hand

The present invention discloses a six-degree-of-freedom soft cable driven remote control master hand, which is composed of a frame, a driving module, a guide porcelain hole module, a pulley module, an operating clamp, a rope, and a fixed card. The driving, pulley, and guide porcelain hole modules are all installed in the frame. The six ropes driven by the driving module pass through the pulley and the guide porcelain hole module, are led out from the guide porcelain hole of the inner ring of the frame, and are staggered to the front and rear triangular clamps of the operating clamp to constrain the five-degree-of-freedom movement of the operating clamp. The operating clamp is equipped with a motor, and its handle part is connected to the motor shaft to realize rotation around the motor shaft, and the motor provides resistance to constrain the rotation of the operating clamp around the axis. The slot of the inner ring of the frame and the slot of the base are used to locate the initial position of the operating clamp. The present invention drives the motor of the connecting rope and the motor in the operating clamp through the driver to realize the six-degree-of-freedom movement and force feedback of the operating clamp. Its soft cable is lightweight, reduces the inertia of the operating master hand, and improves the flexibility of manipulation.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A method for dynamically dewatering a foundation pit based on a precipitation well platform

The present invention relates to a method for dynamically dewatering a foundation pit based on a dewatering well platform. The measuring column is connected to a lifting motor and a cable drive mechanism, and is telescopically inserted through the dewatering well pipe. The measuring column measures the liquid level inside the dewatering well pipe within the dewatering well pipe and displays the liquid level signal on an electronic display screen; the water inflow is measured based on the measuring column, and the operation mode of the automatic dewatering monitoring system is triggered based on the water inflow, so as to trigger the operation mode of the automatic dewatering monitoring system according to different water inflows, ensuring the application of the automatic dewatering monitoring system in various scenarios. Moreover, the high water level, low water level, and warning water level are input into the automatic dewatering monitoring system to trigger dynamic dewatering, so that the automatic dewatering monitoring system can adjust the precipitation amount according to the high water level, low water level, and warning water level, facilitating the completion of the dewatering target at the fastest speed and being able to timely adjust the water level elevation to prevent over-pumping, ensuring a state of dynamic balance.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD +1

Ship-lifting anti-collision device and method based on water power dissipation

The present application relates to ship lift anti-collision technical field, specifically is a kind of ship lift anti-collision device and method based on water power energy dissipation.The device includes lifting system, docking locking system and hydraulic energy dissipation system, lifting system is connected with arresting cable through lifting reversing device, and arresting cable end is hinged energy dissipation flap.The method includes: ship enters compartment before lifting and locking arresting cable, and according to the ship displacement adjustment the opening and closing state of energy dissipation flap on overflow hole;When ship impact, arresting cable drives energy dissipation flap to rotate, and the kinetic energy is consumed by water body work and gravity lifting;When not completely stopped, provide rigid support redundancy by energy dissipation flap.The present application realizes flexible blocking and short braking, and the structure is simple, self-adapting, and suitable for different tonnage ship anti-collision protection.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

Charger

The utility model provides a charger. The charger comprises a housing, a plug, a plug driving assembly, a cable, a cable driving assembly and a control module. The plug driving assembly is connected with the plug so as to drive the plug to extend out of the shell and retract into the shell; the cable driving assembly is connected with the cable so as to drive the cable to stretch out of the shell and retract into the shell. The control module is in signal connection with the plug driving assembly, and the control module is in signal connection with the cable driving assembly. When charging is needed, the plug driving assembly can be controlled to drive the plug to extend out of the shell and the cable driving assembly can be controlled to drive the cable to extend out of the shell, and when charging is not needed, the plug driving assembly can be controlled to drive the plug to retract into the shell and the cable driving assembly can be controlled to drive the cable to retract into the shell. Therefore, the plug and the cable are prevented from being exposed outside the shell, and a user can conveniently store the charger provided by the embodiment of the utility model.
Owner:DONGGUAN AOHAI TECH CO LTD

Bridge stay cable damping structure

The invention relates to the technical field of bridge engineering, and discloses a bridge stay cable damping structure which comprises a first damping assembly, a fixing cylinder and a second damping assembly, vibration of a stay cable can be transmitted to a vertical rod through the first damping assembly, and due to the fact that the vertical rod is connected with the fixing cylinder through a plurality of first elastic pieces, the vibration of the stay cable is reduced. And the bottom wall of the vertical rod is rotationally connected with the bridge through the rotating ball, so that when the stay cable drives the vertical rod to vibrate through the first damping assembly to cause rotation of the vertical rod, all the first elastic pieces provide elastic force in the horizontal direction for the vertical rod from all angles, and then the damping effect on the stay cable in the horizontal direction is achieved. Meanwhile, by means of the multi-angle elastic supporting damping mode, stress generated by vibration of the stay cable can be dispersed, damage caused by vibration to the joint of the stay cable and the bridge is reduced, the tensioning and supporting effect of the stay cable is improved, the stability of a bridge body is enhanced, the service life of the stay cable and the service life of a bridge structure are prolonged, and more reliable guarantee is provided for safe operation of the cable-stayed bridge.
Owner:POLY CHANGDA ENGINEERING CO LTD