45 results about "Timing belt" patented technology

A tandem bicycle device is provided. The device is comprised of a tandem bicycle device configured to minimize longitudinal separation between riders through a compact frame geometry incorporating a first seat and a second seat positioned in close proximity, as well as a closely spaced front crankset and rear crankset. The device has a second handlebar set connected to the frame via a pivot point allowing forward rotation of the handlebar set for active use by a second rider or retraction when not in use. The pedal system comprises two cranksets interconnected by a synchronization mechanism such as a dual-chain or timing belt system to ensure coordinated pedaling. The overall configuration reduces torsional frame flex and aerodynamic drag while improving shared rider control and engagement.

The storage crane described herein comprises: a drive motor driving a wheel; a motor encoder connected to the drive motor; an external encoder connected via a timing belt; and a control unit connected to the drive motor, the motor encoder, and the external encoder, wherein the control unit can be configured to: command the drive motor to move the position of the storage crane; identify a command position based on the first rotational speed information received from the motor encoder; identify a movement position based on the second rotational speed information received from the external encoder; and control the operation of the drive motor based on the deviation between the command position and the movement position.

This utility model discloses a feeding mechanism for a stamping press, including a base. The upper surface of the base has a mounting groove, and a synchronization component is installed inside the mounting groove. The upper surface of the base has symmetrical grooves, and symmetrical bearings are embedded in the inner walls of both grooves. Threaded rods are connected to the inner rings of both sets of bearings. The right ends of both threaded rods penetrate the grooves and extend into the mounting groove. Symmetrical movable seats are threadedly connected to the outer surfaces of both threaded rods. This device, through a synchronization component consisting of a rotary motor, gears, and a timing belt, enables the two threaded rods to rotate synchronously, thereby reducing the cost of the device. The two threaded rods allow the movable seats to move relative to each other. The movable seats, through a connecting plate, drive a positioning seat to move up and down, thus adjusting the height of the feeding component. This solves the problem of the aforementioned patent, which could only adapt to stamping presses of the same height, limiting its application range.

The application discloses an engine fault diagnosis method based on a multilevel progressive detection principle, and has the characteristics that the method comprises the following steps: engine timing geometric deviation angle measurement, to complete mechanical layer detection; engine crankshaft and camshaft Hall pulse signal measurement and correction, to complete electrical signal angle layer detection; engine cold test speed-up working condition crankshaft angle domain / frequency domain comprehensive analysis, namely vibration acceleration layer detection; and artificial intelligence fault identification based on big data. The method provided by the application can progressively judge and identify faults through the mechanical layer, the electrical signal angle layer, timing belt tension or vibration frequency and vibration acceleration layer, so that common engine faults in the engine cold test and bench test process can be quickly identified. In the judgment of the vibration acceleration layer, the engine fault is quickly identified and pre-judged by combining the mechanical layer and the electrical signal angle layer and through an artificial intelligence fault judgment algorithm based on big data.

There is provided exercise equipment that provides an exercise load to the user to enable strength exercise. Exercise equipment according to one aspect of the present disclosure includes: a body part having an accommodation space formed therein and an upper surface formed in a plate shape; a cable part having one end coupled to the accommodation space and the other end exposed to the outside through an outlet of the body part, and configured to change in its length by external force; and a driving part coupled to one end of the cable part in the accommodation space and configured to provide the cable part with an exercise load to resist the external force, wherein the driving part includes a driving motor configured to generate rotational force around a motor shaft in the longitudinal direction, a bobbin installed to rotate around a bobbin shaft in the longitudinal direction and configured to wind one end of the cable part, and a timing belt configured to connect the driving motor and the bobbin, and rotate the bobbin using the rotational force of the driving motor.

Toothed belt lock (1) for power-transmitting connection of two toothed belt ends (2), comprising a base body (3), wherein the base body (3) has two separate belt receptacles (4) for the force-transmitting reception of an end section of a respective toothed belt end (2), wherein the belt receptacles (4) are each formed by a negative profile, which is designed as a negative of an end section of a respective toothed belt end (2) to be received, with a front (5) designed as a negative of a tooth profile of a toothed belt (19) and a back (6) that is flat in itself, designed as a negative of a flat back (6) of a toothed belt (19), such that the end section of the respective toothed belt end (2) can be received in the respective belt receptacle (4) in a form-fitting manner, wherein the belt receptacles (4) are oriented relative to each other such that the front faces (5) of the belt receptacles (4) are facing each other, wherein the base body (3) has two rounded deflection areas (7), each of which is connected to an end cross-section of one of the belt receptacles (4) at which a respective toothed belt end (2) exits the belt receptacle (4), wherein the deflection areas (7) are assigned to the rear sides (6) of the belt receptacles (4) facing away from each other, so that a deflection section of a respective toothed belt end (2), which is directly connected to the end section of the respective toothed belt end (2) received in the respective belt receptacle (4), can with its flat rear side (6) be placed against the respective deflection area (7) and can thus be deflected on the base body (3), characterized by the fact that the belt receptacles (4) are oriented parallel to each other and spaced apart from each other in the base body (3), wherein the base body (3) is formed of base body parts (9, 10) which can be connected to each other in a force-transmitting manner and which can be separated from each other without damage, wherein the base body (3) is divided along a division plane which is oriented parallel to the longitudinal axes of the belt receptacles (4) and perpendicular to the rear sides (6) of the belt receptacles (4).

The present invention relates, in a first aspect, to a belt drive comprising a first and second pulley with drive and driven gear rings and a toothed belt, wherein at least one pulley has guide projections for engaging in recesses in the toothed belt, and a plurality of recesses are provided in the root of the tooth of the tooth of the tooth, these recesses being formed by the guide projections of the pulley, and material being removed from the back of the toothed belt by the projections, where the material is extruded beyond the plane of the toothed belt. In a further aspect, a method for manufacturing a toothed belt according to the invention, with recesses at the tooth root and material being removed from the back of the toothed belt, is provided.Furthermore, the present invention relates to corresponding toothed belts themselves, a kit for a belt drive comprising the toothed belt according to the invention and at least one pulley with a toothed rim, wherein the pulley has guide projections for engaging in the recesses of the toothed belt. Finally, a vehicle, in particular a bicycle, is provided with a belt drive according to the invention.

This invention discloses a lock-up diagnostic method, apparatus, device, and storage medium. The method includes: acquiring crankshaft signals and camshaft signals; determining an initial crankshaft angle set corresponding to the camshaft based on the crankshaft signals and camshaft signals; determining a first crankshaft angle set corresponding to a first time period and a second crankshaft angle set corresponding to a second time period based on the initial crankshaft angle set; and determining a lock-up diagnostic result based on the first crankshaft angle set and the second crankshaft angle set. Using this method, without adding additional sensors or actuators, the fault can be accurately located to a lock-up function failure of the VVT ​​system by verifying the camshaft and crankshaft angles during startup and stable engine operation, eliminating the influence of other faults such as camshaft installation position and timing belt aging and slippage.

The utility model provides a strong weather-proof shutter, which relates to the technical field of shutters and comprises an outer frame, a plurality of shutter blades are arranged in the outer frame, connecting rods are arranged on two sides of each shutter blade, a rhombus block is arranged on one side of each connecting rod, a mounting hole is arranged in the outer frame, a rotating shaft is arranged in the mounting hole, and the rotating shaft is arranged in the outer frame. A diamond hole is formed in one side of the rotating shaft, gears are arranged on the other side of the rotating shaft, the gears are installed in a meshed mode through a synchronous belt, and an adjusting assembly is arranged on one side of one gear. The device solves the problems that an existing louver is prone to deformation and needs to be replaced, an internal synchronous belt is inconvenient to adjust, the tension degree of the synchronous belt cannot be guaranteed, and the synchronous belt is loosened or slipped.

The utility model provides a bracket for overhauling a timing belt of an automobile gas distribution system, which relates to the technical field of automobile overhauling and comprises an annular frame body and an overhauling area. The overhauling area is a closed space formed by surrounding of the annular frame body and is used for dividing an overhauling area when the timing belt is overhauled; the annular frame body is detachably connected with an automobile gas distribution system; and a detector is installed on the annular frame body, a detection probe of the detector penetrates through the receding hole to enter the overhauling area, the problem that in the existing timing belt overhauling process, the overhauling area cannot be accurately divided and limited is solved, and the timing belt overhauling efficiency is improved.

This invention provides a photovoltaic panel module cleaning device, including a cleaning system and a drive assembly. The cleaning system includes a traveling beam and a scraper assembly mounted on the traveling beam. The drive assembly includes a mounting plate, a drive device, and a sprocket assembly. The sprocket assembly includes a transmission belt, a driving sprocket, and a driven sprocket. The transmission belt surrounds the driving sprocket and the driven sprocket, and the driving sprocket and the driven sprocket are driven by the transmission belt. The transmission belt is a track or a timing belt, and it is used to contact the photovoltaic panel module. The drive device is fixed to the mounting plate, connected to the driving sprocket, and used to drive the driving sprocket to rotate. The driven sprocket is rotatably connected to the mounting plate. This invention utilizes a track or timing belt as the traveling component of the photovoltaic panel module cleaning device, thereby greatly improving the traveling ability of the photovoltaic panel module cleaning device.

This utility model discloses a back pressure device for an all-electric bending machine, including a frame, a slider, a transmission assembly, and an anti-drop mechanism. The slider is equipped with a downward pressing blade. The transmission assembly is mounted on the frame. The anti-drop mechanism includes a vertically extending connecting rod, a connecting block mounted on the frame, and a pre-tensioning spring. The connecting rod is fixed to the slider and slidably mounted on the connecting block. The pre-tensioning spring is sleeved on the connecting rod and provides elastic force for the slider to move upward. When the transmission assembly is working normally, the slider moves downward under the drive of the transmission assembly. At this time, the pre-tensioning spring is compressed and stores elastic potential energy. Once the transmission assembly malfunctions, such as a broken timing belt, the force exerted by the transmission assembly on the slider disappears. The pre-tensioning spring instantly releases the stored elastic potential energy, providing an upward elastic force to the slider, causing the slider to move upward rapidly. This effectively prevents the slider and its downward pressing blade from suddenly falling downward due to gravity, which would cause serious damage to the lower die and the downward pressing blade.

The utility model relates to a linkage hidden sliding rail mechanism. The sliding rail mechanism comprises a middle rail, an outer rail and a synchronous belt, wherein the outer rail can slide relative to the middle rail in the rail range of the middle rail; a pulley assembly is fixed at each of the two ends of the middle rail; the outer rail comprises an upper outer rail and a lower outer rail; the synchronous belt is flexible and comprises a first synchronous belt and a second synchronous belt; the first end of the upper outer rail is connected to the first end of the lower outer rail through a first synchronous belt, and a belt body of the first synchronous belt is wound around a pulley assembly installed at the first end of the middle rail. The second end of the upper outer rail is connected to the second end of the lower outer rail through a second synchronous belt, and a belt body of the second synchronous belt is wound around a pulley assembly installed at the second end of the middle rail. According to the sliding rail mechanism, the upper outer rail and the lower outer rail form a linked sliding system, so that the whole sliding rail mechanism slides more stably and smoothly, and the installation space is small.

Use of a toothed belt (16) for an electric power steering system, wherein the toothed belt (16) comprises: a backing (24) made of an elastic core; several oblique teeth (20) arranged at a predetermined pitch in a longitudinal direction of the belt on an inner circumferential surface of the backing (24); and a cord (22) spirally embedded in the backing (24) in the longitudinal direction of the belt and consisting of fibers, wherein the oblique teeth (20) comprise a toothed cloth (26) arranged on an inner circumferential side thereof, the direction of the flank lines of the oblique teeth (20) and the lateral direction of the belt form an angle of 8 degrees or more and 16 degrees or less, the fibers constituting the cord (22) form a single thread, and the direction of rotation of the thread is inclined in a direction opposite to the direction of the flank lines of the oblique teeth (20) relative to the lateral direction of the belt.a winding direction of the cord (22) is inclined in the same direction as the direction of the flank lines of the oblique teeth (20) relative to the width direction of the belt, the toothed cloth (26) is a twill cloth and a twill direction of the toothed cloth (26) is inclined in the opposite direction to the direction of the flank lines of the oblique teeth (20) relative to the width direction of the belt.

This utility model discloses a synchronous belt right pulley assembly, relating to the field of transmission component technology. It includes an installation mechanism, with an adjustment mechanism on one side of the installation mechanism. The adjustment mechanism includes a fixed frame, with a partition plate fixedly connected to the inner wall of one side of the fixed frame. A through hole is opened on one side of the partition plate, and a screw is slidably connected within the through hole. A first bevel gear is rotatably connected to one side of the partition plate. Through the installation and adjustment mechanisms, in use, the belt is first installed on the second baffle and the right synchronous pulley, and the fixed frame and fixed plate are connected by connecting bolts. When belt wear leads to insufficient tension, the rotating rod and the second bevel gear are manually operated to rotate, thereby driving the first bevel gear to rotate and causing the screw to move. This causes the sliding block to move along the fixed frame, adjusting the tension of the right synchronous pulley. This device can flexibly adjust the tension of the synchronous belt, avoiding problems such as slippage due to excessive looseness or wear due to excessive tightness.

A cargo handling system is disclosed herein. The cargo handling system includes a ball panel for moving and storing cargo and a cargo restraining device disposed within the ball panel. The cargo restraining device includes a first side plate, a motor coupled to the first side plate, an outer pawl, an inner pawl configured to engage the outer pawl, and a belt drive assembly coupled to the motor and to the inner pawl, the belt drive assembly configured to engage the inner pawl to extend and retract the inner pawl.

A timing belt has a back side region with a core wire embedded therein and belt teeth arranged on an inner circumferential side of the back side region and designed to engage with pulley grooves of a timing belt pulley, wherein a tooth head compression ratio Y (%) of the belt teeth calculated by expression (1) satisfies the condition -2 ≤ Y ≤ 10, and a gap ratio X (%) calculated by expression (2) in the tooth width direction of the belt teeth satisfies the condition -30 ≤ X ≤ 0. Y ( % ) = ( ( belt tooth height − pulley tooth − groove depth Hp ) / belt tooth height − Hb ) × 100 X ( % ) = ( Pulley tooth width γ − Belt tooth width β ) / Pulley − tooth width γ ) × 100

A method is disclosed for replacing, in an engine block, a timing belt, preferably a wet timing belt, with a timing chain. The method comprises removing the timing belt from the engine block, and replacing a plurality of timing belt pulleys with a plurality of timing chain sprockets. The method also comprises mounting the timing chain around the plurality of timing chain sprockets, and mounting a chain tensioner guide in the engine block. The method also comprises mounting a hydraulic tensioning device in the engine block. The mounted hydraulic tensioning device is configured to apply a force on the mounted chain tensioner guide for tensioning the mounted timing chain. The method further comprises replacing a timing belt cover with a timing chain cover. The timing chain cover comprises an oil inlet for allowing oil to pass through the timing chain cover and reach the hydraulic tensioning device for actuating the hydraulic tensioning device. The method also comprises fluidly connecting the oil inlet to a source of pressurized oil.

This utility model discloses a gluing mechanism for corrugated cardboard box production, including a glue tank. Above the glue tank are driven shaft frames arranged symmetrically front to back and to the left, and driven shaft frames arranged symmetrically front to back and to the right. A driven drive shaft is rotatably connected between the driven shaft frames, and a driven synchronous pulley is mounted on the driven drive shaft. A driven drive shaft is rotatably connected between the driven shaft frames, and a driven synchronous pulley is mounted on the driven drive shaft. A third shaft, whose axis is parallel to either the driven or driven drive shaft, is rotatably connected inside the glue tank. A third synchronous pulley is mounted on the third shaft. An adhesive timing belt is drively connected to the third synchronous pulley, the driven synchronous pulley, and the driven synchronous pulley. A corrugated paper conveying channel, extending front to back and with its upper end face close to the adhesive timing belt, is provided between the driven and driven drive shafts. This gluing mechanism can apply glue to the upper end face of the conveying corrugated paper, facilitating subsequent paper covering. It has complete functions and strong practicality.

The utility model discloses an auxiliary fixing device for belt assembly, which comprises a fixing component and a pressing component, the fixing component comprises a fixing claw, the fixing claw is detachably clamped at a set position, the pressing component comprises a pressing sheet for pressing a belt on a belt wheel, and the pressing sheet is mounted on the fixing claw in a driven single-degree-of-freedom swinging manner; according to the auxiliary fixing device for belt assembling, the timing belt is pressed on the belt wheel through the pressing piece, the timing belt is prevented from bouncing away in the assembling process, rapid detachable installation is achieved through the cooperation of the pressing piece and the fixing claw, assembling convenience and efficiency are improved, and the production takt is improved.

This utility model discloses an automatic fiber loading machine, belonging to the field of chemical fiber transfer. It utilizes a gantry structure with two symmetrically arranged loading cylinder assemblies, allowing for the simultaneous loading and unloading of two sets of chemical fibers, significantly improving work efficiency. It mainly includes a traveling mechanism, with a moving platform connected to a crossbeam. A lifting frame is symmetrically arranged below the crossbeam, and loading cylinder assemblies are slidably mounted inside each lifting frame. The loading cylinder assemblies are driven by a lifting drive device mounted on the lifting frame. Each loading cylinder assembly includes a frame, with a sliding plate slidably mounted within it. The sliding plate is driven by a drive structure, and a forking structure is mounted on the sliding plate. The forking structure includes a forking plate frame and a pushing sleeve. A forking slide rail is fixed inside the forking plate frame, and a forking timing belt is mounted inside the forking plate frame via synchronous pulleys on both sides. This utility model is mainly used for loading and unloading chemical fibers from a winding machine.

A dual-station die-cutting machine, which specifically relates to the field of die-cutting machines. The dual-station die-cutting machine comprises a mounting support (1), wherein mounting connection pads (2) are fixed to the bottom of the mounting support, a fuel tank (3) is fixed to an inner wall of the mounting support, support connection pads (4) are provided at the top of the mounting support, a support guide frame (5) is mounted at the top of the support connection pads, and a movable connection seat (7) is provided at the top of the support guide frame. During use, linear driving is performed by means of support roller driving, thereby improving driving accuracy. Force balance is achieved by means of a timing belt and pulley device (6), a lead screw drive assembly (8) or a sprocket device (9); a flywheel is disposed in the fuel tank to form an integrated design, reducing the occupied space; and nut fastening is used, instead of shaft pin fastening, thereby avoiding shear force, improving the overall mounting stability of the device, and making the entire device maintain stable force bearing.

The invention discloses a linear feeding mechanism for a numerical control machine tool, and relates to the technical field of linear feeding, the linear feeding mechanism comprises a workbench slidably mounted on a machine tool body, and the bottom of the workbench is provided with a mounting sleeve which is buckled with a synchronous belt in the machine tool body and is fixedly mounted at the bottom of the workbench; the clamping assembly comprises an upper clamping plate and a lower clamping plate which are symmetrically distributed on the inner side and the outer side of the synchronous belt, a plurality of protruding parts embedded with teeth on the inner side of the synchronous belt are arranged on the top of the lower clamping plate, and the upper clamping plate and the lower clamping plate are both in a right trapezoid shape; and a cavity which is embedded with the upper clamping plate and the lower clamping plate and has an isosceles trapezoid section is formed in the mounting sleeve. The two workbenches can be alternately coupled with the synchronous belt and matched with the main shaft for workpiece machining work, when the workbenches and the synchronous belt are decoupled, the workbenches are not affected by movement of the synchronous belt, and workers can conveniently take down machined workpieces and fix workpieces to be machined on the workbenches.

The invention relates to a toothed belt pulley (1, 1') for a toothed belt drive, in particular for a bicycle. The toothed belt pulley (1, 1') has a plurality of radially outwardly directed teeth (3, 3') distributed around the circumference of the toothed belt pulley (1, 1') for engaging with corresponding teeth (4) of a toothed belt (2) and at least one guide element (5, 5') to prevent the toothed belt (2) from slipping off the toothed belt pulley (1, 1') in the axial direction. According to the invention, the at least one guide element (5, 5') is in contact with exactly one tooth (3, 3') and the at least one guide element (5, 5') has an asymmetrical shape in a cross-section perpendicular to an axis of rotation of the toothed belt pulley (1, 1'). The resulting reduction in the expansion of the guide element (5, 5') facilitates the removal of dirt and foreign bodies from the interspaces (6, 6') of the toothed belt pulley (1, 1').

An object gripping mechanism is provided for use with a robotic arm. A robotic arm and method of manufacturing an object gripping mechanism are also provided. The object gripping mechanism includes an attachment modular configured to connect the object gripping mechanism to the robotic arm. The object gripping mechanism also includes a plurality of retractable arms each pivotably connected with the attachment modular. The object gripping mechanism also includes one or more movement mechanisms collectively configured to pivot the plurality of retractable arms to a desired position. The object gripping mechanism further includes a drive mechanism positioned within each of the plurality of retractable arms and configured to pivot the object engagement feature using a gear and timing belt configuration.

A feeding mechanism of a glass edge grinding machine comprises a machine frame, an edge grinding main machine arranged on the machine frame and a feeding mechanism which is arranged on the edge grinding main machine, abuts against the surface of glass and is used for pushing the glass to be fed, the feeding mechanism comprises a feeding synchronous belt making contact with the surface of the glass, and the feeding synchronous belt comprises a synchronous belt body and a waterproof convex edge. The waterproof convex edge is arranged on the side face of the synchronous belt body so as to block cooling liquid outside the feeding synchronous belt. The utility model provides a feeding mechanism of a glass edge grinding machine, which can stop cooling liquid outside a feeding synchronous belt, prevents the cooling liquid from corroding parts of the feeding mechanism, and prolongs the service life of the glass edge grinding machine.

This utility model relates to the field of slitting machine technology, and in particular to a quick-release structure for a composite tape slitting cutter of a slitting machine. It includes a cutter holder, a disassembly port, a locking assembly, an adjusting groove, a slide rod, multiple sliders, a fixing groove, a fixing plate, two screws, a fixing seat, two threaded sleeves, a timing belt, a timing pulley, a driven gear, a protective cover, a mounting cover, a motor, and a driving gear. The slitting cutter body is located below the slider. By starting the motor, the screws drive the fixing plate to move through gear transmission and timing belt transmission, releasing the resistance to the slider. The locking assembly can then be removed, eliminating the need to loosen nuts one by one as in traditional designs. The slider can then be moved directly to remove the slitting cutter body, greatly simplifying the disassembly process, achieving rapid disassembly and assembly of the cutter, significantly improving work efficiency, and solving the problems of cumbersome and inconvenient quick disassembly and assembly of cutters in traditional structures.

The utility model provides a synchronous belt tensioning mechanism for a light-load stacking machine, and relates to the field of stacking machines, the synchronous belt tensioning mechanism comprises a mounting plate which is mounted on a cargo carrying table and synchronously ascends with the cargo carrying table, a driving assembly is mounted at the bottom of the mounting plate, and a synchronous assembly is arranged at the top of the mounting plate; an execution assembly used in cooperation with the synchronization assembly is arranged on the side, away from the synchronization assembly, of the top of the mounting plate. The servo motor drives the coupler and the right-angle planetary reducer, the crank connecting rod rotates, then the gear, the rack and the sliding block are driven to move, finally, the pressing wheel support can horizontally move along with the sliding block, the polyurethane wheel acts on a synchronous belt of the light-load stacking machine, and the displacement in the horizontal direction is adjusted. And the synchronous belt is released or pressed through horizontal reciprocating motion.

This invention relates to a performance testing device for a reversing device of a rolling linear guide pair, comprising: two end caps: arranged opposite each other, each end cap housing a reversing device under test, the reversing device under test having a curved raceway, and the reversing devices under test in the two end caps also being opposite each other; a slotted raceway: connecting one end of the two curved raceways, having a groove; a return ball raceway: connecting the other end of the two curved raceways; the curved raceways, slotted raceways, and return ball raceways of the two reversing devices under test together form a closed running-in raceway; a striking ball: located within the running-in raceway, rolling within the running-in raceway under actuation, repeatedly impacting the curved raceway during rolling; a shift fork: having a shift piece extending into the slotted raceway, the shift piece being used to shift the striking ball; a vibration sensor for monitoring the vibration of the reversing device under test; and a timing belt: connected to the shift fork, the timing belt being driven to reciprocate, driving the shift fork to reciprocate to shift the striking ball.

This utility model belongs to the technical field of fishing gear, specifically disclosing a novel underwater beacon line reel, including a housing and a reel-in / reel-out control rod, and a reel-in device disposed within the housing. The reel-in device includes a spring and a gear transmission structure, which comprises a large gear, a small gear, and a timing belt. This utility model, through the spring and gear transmission structure (the large and small gears meshing, and the timing belt driving) in the reel-in device, enables automatic reel-in and reel-out of nylon rope. By cooperating with the reel-in / reel-out control rod and the gear transmission system, a combination of manual fine-tuning and automatic reel-in / reel-out can be achieved. Divers do not need to manually wind the rope, saving underwater operation time and improving the diving experience and efficiency. When the diver moves or the water depth changes, the rope length can be adjusted in real time according to the diver's movements, avoiding the tangling and tension problems of traditional fixed-length buoy lines, reducing the risk of entanglement with underwater obstacles, and ensuring the buoy's stable visibility on the water surface.