106 results about "Cable driven" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A tension sensing cable for a cable drive mechanism of a robot, in particular a surgical robot, is provided. The tension sensing cable is configured to respond to an axial tensile force applied thereon, wherein a radial pressure applied on the cable has a lower impact on a voltage output of the cable than the axial force. The cable comprises a main conductive filament and a secondary conductive filament, where the main filament and / or the secondary filament are helically wound and configured such that when the main filament and the secondary filament are in contact with each other, charge transfer occurs between two contact surfaces of the main filament and the secondary filament. When an axial tensile force is applied to the cable, a potential difference generated by the charge transferred between the primary filament and the secondary filament varies, where the variation corresponds to the applied axial tensile force.

The invention provides a continuum lower limb assisting exoskeleton device based on rope driving. The continuum lower limb assisting exoskeleton device comprises a fixing module, a continuum module, a power module, a control module and a sensing module. The fixing module is arranged on the waist, and the power module and the control module are installed on the fixing module. The continuum module comprises a plurality of minimum unit layer continuum bodies, a plurality of pull ropes and a plurality of elastic connecting pieces, the minimum unit layer continuum bodies are arranged on the legs, and the pull ropes penetrate through the minimum unit layer continuum bodies in the positions relative to the front sides, the rear sides and the outer sides of the legs; the minimum unit layer continuum bodies are connected in series in the vertical direction to form a continuous bendable sectional type flexible structure, one ends of the elastic connecting pieces are connected with one ends of the pull ropes respectively, the other ends of the elastic connecting pieces are connected with the power modules, and the sensing modules are distributed on the waist and the legs. The lower limb power assisting device solves the technical problems that an existing lower limb power assisting device is large in mass, poor in compliance and not suitable for long-time wearing training of weak patients.

To reduce the costs of equipment and labor for inspecting steel cables on earthmoving machinery. [Solution] The earthwork machine comprises a movable transporter, a working device for working on soil, etc., and a steel cable 40 that can be adjusted along the longitudinal direction of the cable by a cable drive device to which tension is applied at least temporarily. The earthwork machine also comprises a holding device 70 designed to receive and detachably hold a cable measurement unit 80. The cable measurement unit 80 has a cable passage channel and is designed to detect the cable condition. When the holding device 70 is positioned near the steel cable 40 and receives and holds the cable measurement unit 80, the steel cable 40 is guided through its cable passage channel.

The utility model discloses a coal slurry sampling device based on a coal transportation pipeline, and relates to the technical field of coal detection, both sides of a cover plate are provided with mounting ports in a penetrating manner, both inner walls of both sides of each mounting port are provided with sliding chutes, both upper ends of both sides of a connecting pipe are provided with connecting grooves, and the inner walls of the opposite sides of the connecting grooves are provided with clamping grooves; the connecting device has the advantages that the stepping motor and the connecting rope are arranged to control the pull rod to move in the mounting opening, so that connection between the clamping block and the clamping groove is controlled, convenient and fast connection and disassembly of the cover plate and the connecting pipe are achieved, operation is simple and efficient, the practicability is high, and the connecting device is suitable for popularization and application. The device is simple in structure and convenient to use, saves time and manpower, can be quickly used without a tool, and can be matched with the electric telescopic rod and the cable on the two sides to drive the sampler, so that the sampler can move in the conveying pipe, coal samples can be collected from different positions, the representativeness of the coal samples is improved, and then the accuracy of coal quality detection is improved.

The present application relates to a tension distribution modeling method considering friction and preload, and belongs to the technical field of pulley and cable friction, the present application effectively solves the challenge of tension prediction and estimation in complex pulley-cable system by establishing a node element tension distribution model. The comprehensive analysis of the present application includes tension transmission loss, and combines dynamic sliding and rolling friction from the Lugre model. Comparative simulation reveals the influence of different friction effects. Experimental verification using a rolling joint platform confirms the accuracy of the model of the present application in predicting tension in the cable and force on the pulley nodes in complex pulley systems. The model provides a robust framework for analyzing and designing cable-driven structures, and is of great significance for the safety and real-time tension monitoring and prediction of cables. Not only the speed and quality of modeling are improved, but also a powerful tool is provided for real-time monitoring and prediction evaluation of cable system safety.

The application discloses a kind of coupling cable kinematics solving method, including obtaining the coordinates of each key point at the jth joint;According to the coordinates of each key point at the jth joint, the theoretical length of two sections of cable driving the ith joint at the jth joint is obtained;Without considering the coupling phenomenon of cable, according to the theoretical length of two sections of cable driving the ith joint at the jth joint, the theoretical total length of cable driving the ith joint is obtained;Considering the coupling phenomenon of cable, according to the theoretical total length of cable driving the ith joint, the actual length of two sections of cable driving the ith joint is obtained;According to the actual length of two sections of cable driving the ith joint, the change of two sections of cable driving the ith joint is obtained;According to the change of two sections of cable driving the ith joint, the required rotation angle of driving motor is determined.The application can realize kinematics conversion and solving in coupling cable system, and has guiding significance for accurate control of cable driven object.

The application discloses a general type Borden cable driving device and an assembling method thereof. The driving device comprises a base and a rotating mechanism. The rotating mechanism is rotatably arranged in the base. A power installation interface is arranged on one side of the base. The power installation interface is used for fixing a torsional spring or a driving motor. A power input end of the rotating mechanism can be connected with the torsional spring or the driving motor through the power installation interface. The power installation interface is arranged on the base to facilitate quick dismounting and mounting of the torsional spring or the driving motor. The driving device is compatible with active and passive driving modes, and the application scene of the Borden cable driving device is enriched.

The application discloses a sliding cable driven crescent-shaped deployable cable net structure in the technical field of deployable structures and cable net structures, which comprises an inner ring end fixed node, an inner ring free node, an outer ring fixed node and three cables; the inner ring end fixed node and the inner ring free node are located on a first circular arc line; the outer ring fixed nodes are uniformly fixed on second and third circular arc lines and are symmetric about the plane where the first circular arc line is located and the normal plane of the line connecting the inner ring end nodes; a first cable passes through the nodes on the first circular arc line in sequence, a second cable alternately passes through the nodes on the second circular arc line and the nodes on the first circular arc line, and a third cable alternately passes through the nodes on the third circular arc line and the nodes on the first circular arc line; the lengths of the three cables are adjustable, the folding and unfolding of the cable net structure are realized, different building roof opening requirements are met, the structure composition and control mode are simple, and the structure has a high storage ratio.

The application discloses a kind of cable emergency bracket device and operating method for shipbuilding and maintenance.The bracket device is composed of support main body mechanism, cable rotating mechanism and cable drive main body mechanism.Support main body mechanism includes base, stand, crossbeam and cable connecting piece, and is quickly assembled by modular design and bolt or welding.Cable rotating mechanism is composed of first and second rotating mechanisms distributed on both sides of crossbeam and cable monitoring sensor located in the middle, which can realize flexible adjustment of cable and avoid winding.Cable drive main body mechanism is composed of drive motor, drive transmission mechanism, bracket adjusting device and drive adjusting mechanism, which realizes power drive and accurate adjustment of bracket with hydraulic cylinder.The device has the characteristics of stable structure, quick installation and strong adaptability, and can provide temporary or emergency cable laying support during shipbuilding and maintenance.At the same time, real-time monitoring and status feedback are realized through cable monitoring sensor, which improves the safety and reliability of operation.Compared with the prior art, the application has the advantages of cable anti-winding, automatic adjustment and high-efficiency response, which can significantly reduce manual strength and improve the efficiency and safety of ship emergency cable operation.

The utility model provides a putting and recycling device for a large storage tank operation robot. The problem that when the area above a storage tank is limited, the robot is difficult to put is solved. The device mainly comprises a roll-over stand, a fixed platform, a steel wire rope driving system and a cable driving system. The overturning frame is connected with the fixed platform through a hinge shaft and is allowed to rotate around the shaft so as to realize putting and recycling of the robot; and the steel wire rope and the umbilical cable are respectively controlled by respective driving motors, so that the operation is stable and safe. And the fixed platform is arranged at the storage tank inspection manhole and is provided with the height-adjustable supporting legs, so that the requirements of different working conditions are met. In addition, the control cabinet controls the motors and the cables in a centralized mode, operation is convenient, the putting difficulty is lowered, the applicability in the complex environment is improved, and an effective solution is provided for chemical equipment maintenance.

The present application belongs to the technical field of anti-damage equipment, and particularly relates to a tow rope anti-bending and anti-damage device for a bucket wheel machine, which comprises: a mounting cavity arranged below the ground, a through hole arranged on the mounting cavity, a tow rope roller component arranged in the mounting cavity, a ground anchor fixing component arranged on the ground, and a cable driving component arranged in the mounting cavity and having a cable wound thereon. The tow rope roller component guides and limits the cable below the ground, so that the cable is prevented from being excessively deformed and moved. The ground anchor fixing component with an arc structure supports the cable above the ground, so that the cable is supported by the ground anchor fixing component during movement and is prevented from being excessively bent and damaged. The ground anchor fixing component is arranged on the ground, so that the damage of the ground during movement of the cable is effectively reduced, the subsequent supporting effect is prevented from being affected due to ground collapse, and the overall equipment applicability is improved.

This invention discloses a spraying device and method for electrical insulating coatings, relating to the field of coating spraying technology. The device includes a housing with cable access ports at both ends and on the side walls. Two fixed seats are symmetrically mounted on the inner top wall of the housing. Each fixed seat is rotatably connected to a pair of rotating shafts. The two pairs of rotating shafts are coaxially connected to a front traveling wheel and a rear traveling wheel, respectively. Both the front and rear traveling wheels have travel grooves that match the cable. This invention utilizes a hydraulically driven adjustment mechanism on the rear traveling wheel. The asymmetrical radial pressure exerted on the rear traveling wheel as it travels on the cable drives the spraying ring to automatically adjust its pitch angle. When the cable bends due to sag or the robot's own weight, the central axis of the spraying ring can follow the cable axis in real time, always maintaining coincidence. This solves the coating skewing problem caused by the fixed angle of the spraying ring in existing technologies, significantly improving spray uniformity.

The utility model discloses a cable traction device which comprises a base, a supporting guide roller is arranged in the middle of the base, the supporting guide roller is rotationally connected with the base, an electric telescopic rod is arranged in the base, and the moving end of the electric telescopic rod penetrates through the base and is in sliding connection with the base. The top of the electric telescopic rod is fixedly connected with a cable driving device, the cable driving device is matched with the supporting guide roller to pull a cable, and a supporting device is arranged on the side wall of the base. According to the cable traction device, the supporting guide rollers are arranged at the top of the base so that a cable can be conveniently supported, the electric telescopic rods are arranged so that the height of the cable driving device can be conveniently adjusted, the supporting guide rollers are matched with the cable driving device, stable traction of the cable is achieved, and the working efficiency is improved; the traction guide roller is driven to rotate through gear transmission, the structure is compact, and the transmission efficiency is high.

The utility model belongs to the technical field of cubic presses, and particularly relates to a lifting device for taking and unloading a holding-up hammer of a cubic press, which comprises a U-shaped seat frame, vertical frame rods are arranged on one side of the upper side surface of the U-shaped seat frame in parallel, and cross rods are arranged on the sides, close to each other, of the upper ends of the vertical frame rods. The device is directly placed on the outer side of the single-sided body of the cubic press, the electromagnet suction cup is held by a hand to be attached to the upper portion of the holding-up hammer, the electromagnet suction cup is controlled by the controller to be started, the electromagnet suction cup is attracted to the upper portion of the holding-up hammer, then the holding-up hammer is detached from the single-sided body of the cubic press through tools such as a wrench, the controller controls the electric winch to be started, and then the holding-up hammer is detached from the single-sided body of the cubic press. The electric winch withdraws the steel cable, the steel cable drives the electromagnet suction cup to ascend, the electromagnet suction cup drives the holding-up hammer to ascend to be separated from the single-sided body of the cubic press, the detached holding-up hammer can be conveniently and rapidly lifted to be separated from the single-sided body of the cubic press, manual carrying out is not needed, manpower is saved, safety is improved, and one person can conduct operation; and the holding-up hammer can be conveniently and quickly taken and disassembled.

The present invention relates to a system (10) for controlling a payload from air, the system (10) comprising an unmanned aerial vehicle (100), UAV, a remotely and / or autonomously controlled payload (150) comprising a winch (200), the winch (200) comprising a cable tensioner (203), a cable drive motor (300) configured to synchronously drive a first drum (201) and a second drum (202), and a cable (400) connecting the UAV (100) to the payload (150), the cable (400) having a first part (400a) connected to the UAV (100), wherein the cable (400) is configured to pass through the first drum (201) and the second drum (202) and subsequently pass through the cable tensioner (203), wherein the cable tensioner (203) is configured to maintain tension on a second part (400b) of the cable (400), wherein the first and second parts (400a, 400b) of the cable are laterally separated.

A freestanding modular gantry crane assembly and method of use is disclosed. In one form, the assembly includes at least two pairs of opposed crane support structures arranged in longitudinal rows on a support surface on opposite sides of a workspace, each of the support structures including: an inner frame member bordering the workspace and extending in a substantially vertical orientation; an outer frame member angled towards an upper end of the inner frame member in a direction perpendicular to a longitudinal axis of the workspace; a pair of running beams extending along the opposite sides of the workspace atop the crane support structures; a gantry transversely spanning between, and movably coupled to, the pair of running beams, said gantry configured to be movable back and forth along the beams; a cable drive trolley; and a cable drive assembly.

The present application relates to a Mars surface sample collector and method based on differential bevel gears and rope driving, and belongs to the technical field of Mars sampling and returning. It comprises a connecting bracket for installing a driving assembly, the output end of the driving assembly being connected with a differential motion assembly for driving the differential motion assembly, the differential motion assembly driving a rope-driven grabbing assembly to act, and the rope-driven grabbing assembly being used for grabbing and releasing samples. The present application designs a Mars surface sample collector based on differential bevel gears and flexible rope driving, which can realize the actions of sampling point adjustment, jaw clamping and arm recovery fixation under the driving of three motors, reduces the number of driving motors while ensuring the adaptability of the sampling device to the position error of the docking point, simplifies the action of sample collection, improves the reliability of sample collection of the sampling device in the autonomous running state, and reduces the launch mass of the equipment.

The utility model relates to a gantry crane engine cable one-way locking device, and belongs to the technical field of cable locking. The device comprises a fixing plate arranged on the gantry crane, two sets of locking plates rotationally arranged on the fixing plate and a locking elastic piece connected with the locking plates and the fixing plate, a locking gap for arranging a cable is formed between the two sets of locking plates, and the cable abuts against the two sets of locking plates. The cable is provided with a reserved section between the gantry crane and the engine, the locking elastic piece is located on the side, facing the reserved section, of the locking plate, the locking elastic piece enables the locking plate to have the trend of rotating away from the reserved section, and when the cable is subjected to the tension of the reserved section, the cable drives the locking plate to rotate, so that the locking gap is gradually reduced. The application has the effect of reducing potential safety hazards caused by cable elongation.