331 results about "Cable driven" patented technology

The invention discloses a water quality monitoring device for water treatment, and belongs to the technical field of water quality monitoring, the water quality monitoring device comprises a main shell, and a plurality of stabilizing assemblies are arranged on the peripheral side of the main shell. According to the water quality monitoring device, by arranging the stabilizing assembly, the stability of the main shell on the water surface is improved, so that the main shell can stably float on the water surface at a fixed point and is prevented from moving along with water flow, and the accuracy and stability of water quality monitoring data are improved; a driving motor drives a stabilizing anchor to move upwards through a driving gear, a transmission gear, a linkage gear, a first connecting shaft, a first bevel gear, a second bevel gear, a second connecting shaft, a winding wheel and a cable, an electric push rod drives a sealing plug to be separated from an air leakage pipe, air in a floating air bag is discharged through the air leakage pipe, and then a propelling device is started to drive a main shell to move. The main shell drives the water monitor to move, so that the detection range of the water quality monitor is enlarged, and the monitoring efficiency of the water treatment tank is improved.

The invention relates to a tension distribution modeling method considering friction and preload, belongs to the technical field of pulley and cable friction, and effectively solves the challenges of tension prediction and estimation in a complex pulley-cable system by establishing a node element tension distribution model. The comprehensive analysis comprises tension transmission loss, and dynamic sliding and rolling friction from a Lugre model are combined. The comparative simulation reveals the influence of different friction effects. Experimental verification carried out by using a rolling joint platform proves the accuracy of the model in predicting the tension in a cable and the force on a pulley node in a complex pulley system. The model provides a robust frame for analyzing and designing a cable-driven structure, and is of great significance to cable safety and real-time tension monitoring and prediction. Not only are the modeling speed and quality improved, but also a powerful tool is provided for real-time monitoring and prediction evaluation of the safety of a cable system.

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.

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.

The invention provides a coal mine cable automatic take-up and pay-off vehicle which comprises a vehicle frame, a winding assembly and a walking assembly, and the walking assembly is arranged at the bottom of the vehicle frame. The winding assembly comprises a first winding drum, a second winding drum and a driver, the first winding drum and the second winding drum are both rotationally connected with the frame, the first winding drum is used for winding and unwinding a cable from the frame to the power source, the second winding drum is used for winding and unwinding a cable from the frame to the excavation equipment, and the driver is used for driving the first winding drum and the second winding drum to rotate so as to achieve winding and unwinding of the cable. According to the automatic winding and unwinding vehicle for the coal mine cable, partitioned management and accurate control of the cable are achieved, the cable winding and unwinding efficiency is remarkably improved, and the integrity and safety of the cable are effectively guaranteed.

The utility model discloses an automobile seat convenient to fold and store, and particularly relates to the field of automobile seats, the automobile seat convenient to fold and store comprises an in-automobile bottom plate assembly, the in-automobile bottom plate assembly comprises a trunk floor and a containing groove, and a folding and storing seat is arranged in the containing groove. The folding storage seat comprises a backrest, a seat cushion, an angle adjuster, a front mounting leg, a rear mounting leg and a middle connecting rod, and the backrest is hinged to the seat cushion through the angle adjuster. Due to the arrangement of the containing groove, before the folding storage seat is folded, an extra space is obtained, when the loading space needs to be expanded, the folding storage seat can be folded and then stored in the containing groove of the trunk, the maximization of the space utilization rate is achieved, the soft inhaul cable driving piece is arranged, the soft inhaul cable driving piece is unlocked, and the loading space can be expanded. The backrest can be put down, the front mounting leg and the rear mounting leg can be unlocked at the same time, the folding process is completed at one time, and folding and storage are very convenient.

The invention discloses a method for intelligent line selection of a DC cable multi-circuit fault driven by a discharge signal, and relates to the technical field of power system and fault diagnosis thereof. The method comprises S1, extracting features and pattern recognition of collected discharge signals, S2, real-time monitoring of discharge signals in each circuit and obtaining fault initial state data, S3, constructing a classification model for multiple fault modes to improve recognition accuracy, and S4, intelligently classifying complex fault modes based on the classification model and selecting corresponding circuits; the method for intelligent line selection of a DC cable multi-circuit fault driven by a discharge signal can quickly identify fault points and select optimal solutions under a multi-circuit complex fault environment, avoids misjudgment caused by manual intervention, improves the overall stability and operation reliability of the power system, and solves the problems of poor recognition rate of complex fault modes, poor adaptability, low intelligence, and insufficient real-time performance and efficiency in the prior art.

A robotic digit includes a digit base and a joint link coupled to the digit base and movable relative to the digit base about a first axis. An input link is coupled to the joint link through a proximal digit segment and movable relative to the proximal digit segment about a second axis. A cable extending along the proximal digit segment has a distal end coupled to the input link. A cable drive is coupled to a proximal end of the cable and operable to displace the cable relative to the proximal digit segment. A main actuator has an output coupled to move the joint link about the first axis. Relative displacement between the cable and the proximal digit segment via operation of the first cable drive or operation of the main actuator causes movement of the input link about the second axis.

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.

A surgical end effector assembly is disclosed. The surgical end effector assembly comprises a shaft, an end effector comprising a first jaw and a second jaw movable relative to the first jaw, and an articulation joint attaching the end effector to the shaft, wherein the articulation joint defines an articulation axis about which said end effector is articulatable relative to the shaft. The articulation joint comprises a first rotary drive member rotatable about the articulation axis and a second rotary drive member rotatable about the articulation axis, wherein the first rotary drive member and the second rotary drive member are rotatable in the same direction to articulate the end effector about the articulation axis. The surgical end effector assembly further comprises a jaw drive output cooperatively driven by the first rotary drive member and the second rotary drive member configured to clamp and unclamp tissue with the second jaw.

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.

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.

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.

The invention discloses a cage cable-based FAST cable-driven pulley high-altitude inspection and maintenance device, and the device is characterized in that a FAST telescope comprises a plurality of process systems, such as an active reflection surface system and a feed source supporting system; in the feed source supporting system, six steel cables are led out from six supporting towers to pull and control a feed source cabin to move on a focal plane, a plurality of pulleys used for hanging cables and optical cables are arranged on each steel cable in cooperation with astronomical observation, and the inspection and maintenance device comprises a cableway, a cable crane, a cableway hanging basket and a lifting pulley platform. The cableway is erected between the cable crane and the lifting pulley platform, and transverse movement of the cableway is achieved through walking of the cable crane. The cableway hanging basket is used for moving between the upper anchoring end and the lower anchoring end along the cableway to be close to the position of the cable driving tackle needing to be inspected and maintained, and then the cableway hanging basket is controlled by carrying maintenance personnel to vertically ascend and descend or arrives at the position of the tackle needing to be inspected and maintained along the cableway ascending / descending mechanism for inspection and maintenance.

The utility model discloses an electric parking actuator with a brake pad thickness detection function. The electric parking actuator with the brake pad thickness detection function further comprises a pair of electric connectors installed in the electric parking actuator, a conductive assembly arranged in the electric parking actuator in a sliding mode and an alarm device circuit connected with the pair of electric connectors in a conductive mode. When the thickness of the brake pad is reduced to the limit thickness and the pull arm is driven to rotate around the pull arm rotating center for parking when the pull rope moves linearly, the conductive assembly is driven by a lead screw in the lead screw assembly to synchronously and linearly move to the contact conduction position of the pair of electric connectors, and the pair of electric connectors is conducted. And the alarm device is connected to give an alarm. The utility model has the advantages of simple structure, low cost and reliable operation.

The invention discloses a current and temperature driven in-operation cable residual life prediction method and maintenance method in the technical field of reliability engineering, and the method comprises the steps: obtaining the inspection data of an in-operation cable, including cable surface temperature, environment humidity, armoring temperature and load current; inputting the related data into a pre-constructed cable equivalent thermal circuit model for iterative calculation to obtain a cable conductor temperature; calculating a heat loss factor based on a difference value between the temperature of the cable conductor and the temperature of the cable conductor in a preset ideal state, and obtaining the corresponding residual life of the cable in combination with the design life, the actual operation age limit and the heat loss factor of the cable; and establishing a cable residual life data set by using the inspection data and the cable residual life, and inputting the cable residual life data set and the corresponding environment humidity into the gray prediction model by combining the rated current-carrying capacity of the cable in operation to obtain a predicted value of the cable residual life. The cable aging degree can be quantitatively evaluated, and operation and maintenance management is optimized.

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.

A cable-driven telescopic boom with several boom segments repositionable between stowed positions and deployed positions. The boom includes multiple spaced apart and separate cables that engage pulleys connected to each boom segment. A drive system can be used to apply tension to the cables to reconfigure the boom from a stowed configuration to a deployed configuration.

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.

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 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.

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.

The utility model relates to the technical field of double-rocker-arm holding poles, and discloses a double-rocker-arm holding pole which comprises a rocker arm mechanism, a holding pole mechanism and a lifting hook mechanism, the holding pole mechanism is arranged on one side of the rocker arm mechanism, the lifting hook mechanism is arranged at the bottom of the holding pole mechanism, and the rocker arm mechanism comprises a rocker arm fixing piece. The rocker arm mechanism is arranged, the motor is started, the motor drives the cable shaft to rotate through the coupler, the cable shaft drives the first cable roll to rotate, when the first cable roll rotates to enable the first cable to start to be tightened, meanwhile, the hydraulic cylinder push rod also starts to push the holding pole, and the first cable drives the rocker arm to lift through the second cable fixing piece and the hydraulic cylinder; stable and stable rocker arm lifting can be achieved in the mode that motor driving is matched with hydraulic cylinder pushing, and potential safety hazards caused by improper manual operation or mechanical faults are avoided. And meanwhile, the potential damage to the power cable due to improper lifting can be reduced through accurate control of motor driving.

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.

The invention relates to the technical field of cable auxiliary equipment, and discloses an automatic cable cleaning device which comprises a main shell and a plurality of mounting frames fixedly connected to the outer side face of the main shell. A first electric telescopic rod and a second electric telescopic rod are rotatably connected to the inner side wall of the main shell, a first U-shaped plate is fixedly connected to the extending end of the first electric telescopic rod, a driving wheel is rotatably connected to the end of the first U-shaped plate, and a second U-shaped plate is fixedly connected to the extending end of the second electric telescopic rod. Compared with the prior art, the cable cleaning device has the following advantages and effects that the brush wheel is driven to clean the cable through friction force generated when the driving wheel makes contact with the cable, power is provided for the brush wheel, the position of the cable is limited, the cable is prevented from shaking during cleaning, the cleaning effect is guaranteed, and the cleaning quality is improved; and slurry can be well cleaned from the surface of the cable.

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 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.

The invention relates to the technical field of cable laying, in particular to a ship cable laying device which comprises a frame, a first wheel and second wheels, the first wheel is rotatably mounted on the side wall of the frame, an axle is rotatably mounted at the bottom of the frame, and the second wheels are rotatably mounted at the two ends of the axle respectively. The first wheel and the second wheel are located at the two ends of the bottom of the frame respectively. In the traction process, the cable drives the rotating ring to rotate through the cooperation between the two semicircular wire barrels and the conversion device, so that the twisting force of the cable is reduced, the cables are prevented from being mutually wound, the cable laying position is determined through the cooperation between the wire pressing roller and the positioning block during cable traction, the position of the cable does not need to be manually adjusted again, and the traction efficiency is improved. When the cable is laid, the twisting force of the cable is transferred to the tail end of the cable through the cooperation between the cable pressing roller and the second cable barrel, the twisting force of the cable is eliminated, and it is ensured that the laid cable is not wound mutually any more.