153 results about "Roller chain" patented technology

A truck bed mounted carrier system includes a frame assembly installable in a truck bed with lateral supports and outer main supports, inner supports that slide within the outer main supports, a center outer support, and a second inner support that slides within the center outer support. A carrier frame coupled to the frame assembly extends from and retracts into the truck bed, supported by radius supports that provide structural integrity when extended. The system features a pulley assist mechanism with gas springs that creates a counterbalance force, a mechanical drive assembly with sprocket and roller chain for movement control, and deployable transport stands for ground support during loading operations. Adjustable bed rail struts with locking mechanisms secure the system to the truck bed without permanent modification. Low-friction materials and strategically positioned slides ensure smooth operation throughout the extension and retraction cycles.

The utility model discloses a bidirectional clamping and conveying device of a sugarcane cutting and spreading machine. The clamping and conveying device comprises a fixed rack, a movable rack and a driving device, the clamping, conveying and lifting frame is arranged on the fixed rack in a liftable manner; the U-shaped frame comprises a left U-shaped frame body and a right U-shaped frame body, the left U-shaped frame body and the right U-shaped frame body are connected with the clamping conveying lifting frame and located on the left side and the right side of the front end of the frame respectively, and a sugarcane outlet is formed in a U-shaped groove of the U-shaped frame; a front clamping conveying rubber roller chain group; and the rear clamping reversing device comprises a rear clamping reversing mechanism and a first rear clamping conveying shifting tooth chain. According to the clamping and conveying device of the bidirectional sugarcane cutting and spreading machine, cut-off sugarcanes are conveyed through the clamping and conveying shifting tooth chain to move outwards, and are conveyed to the side, where sugarcane ridges are harvested, of the machine under the conveying of the bidirectional clamping and conveying device. The bidirectional clamping and conveying mechanism is adjusted to move left and right in the horizontal direction, and the sugarcane is cut and laid to the left side or the right side according to the terrain.

The present invention belongs to the field of boring technology, and particularly relates to a safety protection device for edge operations on a heavy-duty boring machine turntable. The technical solution is as follows: a safety protection device for edge operations on a heavy-duty boring machine turntable, comprising: arched plates connected to the four sides of the turntable, the four arched plates and the turntable being spliced ​​into a full circle, a square cover plate connected to the lower slide, an inscribed circle cooperating with the four arched plates being provided in the square cover plate, a bracket connected to the wall of the workbench on the side of the pit, a movable roller chain plate connected to the side of the bracket close to the front end of the pit, a fixed cover plate connected to the other side of the bracket, a movable cover plate provided between the fixed cover plate and the square cover plate, and the movable cover plate being slidably connected to the bracket. The present invention provides a safety protection device for edge operations on a heavy-duty boring machine turntable, which solves the problems of incomplete protection, inconvenient use, difficult cleaning, and insufficient carrying capacity in the prior art.

A system and method for pressforming handles. The system broadly includes a carriage, a conveyor, a plate train, and a roller press. The conveyor assembly is mounted on the carriage and includes first and second sprockets rotatably supported on the carriage and a roller chain linking the sprockets together. The plate train is conveyably engaged with the roller chain and includes several plates. Each plate includes a flat portion and a number of pockets spaced from each other. The roller press is configured to rotate relative to the carriage and engage a web of shapable material opposite the plates of the plate train. The roller press includes several protrusions annularly and longitudinally spaced apart from each other and configured to press the shapable material into the pockets of the plates thereby forming bands of the handles.

The utility model relates to the technical field of roller chains, in particular to a roller chain for reinforced parking equipment, which comprises two groups of chain plates, through holes are formed in positions, close to two ends, of one sides of the two groups of chain plates, chain wheels are movably assembled in positions, close to two ends, of the inner sides of the two groups of chain plates, and oil filling pipes are inserted into the through holes. One end of each oil injection pipe is communicated with a flow dividing disc, a plurality of sets of lubricating holes are formed in one side of each flow dividing disc, oil injection holes are formed in the positions, close to the other ends, of the side surfaces of the oil injection pipes, and magnet blocks are installed at the positions, close to the outer sides of the oil injection holes, of the side surfaces of the oil injection pipes. Through the arrangement of the oil filling pipe, the flow dividing disc, the lubricating hole, the oil filling hole, the magnet block, the T-shaped groove, the T-shaped block, the magnet piece, the connecting plate, the cover plate and other parts, the problem that after an existing roller chain is used for a long time, part of the roller chain is likely to be astringent due to friction and abrasion between structures, and then follow-up use is likely to be affected can be effectively solved.

The utility model provides a self-adaptive roller chain tensioning device which comprises a tensioning wheel and a locating piece, the outer side wall of the tensioning wheel abuts against a roller chain, the tensioning wheel is rotationally connected to one end of a connecting rod through a rolling shaft, the other end of the connecting rod is fixedly connected with a driven wheel, and the driven wheel is arranged in the locating piece. A driving rod corresponding to the driven wheel is arranged in the positioning piece, and the driving rod is fixedly connected with the driving assembly; a tooth groove is formed in the outer wall of the driven wheel, a rack is fixedly arranged on the end face, close to the driven wheel, of the driving rod, and the rack is meshed with the tooth groove. The automatic tensioning device has the advantages that pre-tightening force is applied to the driving rod through the driving assembly, the driving rod drives the driven wheel to rotate under the condition allowed, then the tensioning wheel is made to move, the automatic tensioning function is achieved, meanwhile, one-way rotation limitation on the driven wheel is completed through the ratchets on the driven wheel and the positioning disc in the positioning piece, and the tensioning effect is improved. And the working state of the tensioning wheel is stabilized.

A multi-layered guide rail integrated rigid chain and flexible conveyor patient transfer system and method includes a flexible conveyor belt mechanism, a rigid chain mechanism, and a toothed plate moving mechanism. The flexible conveyor belt mechanism includes a support plate. The rigid chain mechanism includes a support base and a roller chain. The support base includes a first guide rail and a sliding plate. The first guide rail is provided with a blocking arm. The support plate engages with a rolling assembly. The toothed plate moving mechanism includes a second reduction motor, a second transmission gear, a second guide rail, and a toothed plate assembly. The first and second guide rails, the toothed plate assembly, and the rigid chain mechanism form a dual guide rail mechanism. The multi-layered guide rail integrated rigid chain and flexible conveyor patient transfer system and method uses the toothed plate moving mechanism to move the support plate inside and outside the bed, and the rigid chain mechanism to precisely adjust the position of the support plate, improving the efficiency of short-distance movement.

The present application belongs to the field of machinery, and particularly relates to a side tensile rubber chain belt, which comprises a conveying belt, a driving chain and a chain connecting conveying belt piece. The conveying belt comprises a buckle side rubber chain belt, the buckle side rubber chain belt comprises a fixed chain link shaft rubber belt or a fixed ring chain rubber belt, the driving chain comprises a roller chain or a ring chain, the driving chain is connected with the conveying belt through the chain connecting conveying belt piece, the driving chain rotates to drive the conveying belt to convey materials, the buckle side rubber chain belt comprises a belt edge tensile piece, the belt edge tensile piece is connected with the chain connecting conveying belt piece in a split mode or in an integrated mode, the belt edge tensile piece is arranged in the fixed chain link shaft rubber belt or outside the fixed chain link shaft rubber belt, and the belt edge tensile piece is arranged in the fixed ring chain rubber belt or outside the fixed ring chain rubber belt.

This invention discloses a photovoltaic tracking bracket drive device and a photovoltaic tracking bracket. The photovoltaic tracking bracket drive device includes a column, a main shaft movably connected to the column, a first geared disc connected to the main shaft, a second geared disc connected to the column, a roller chain connected to the column, a gearbox assembly connected to the roller chain, and a motor connected to the gearbox assembly. The roller chain is disposed between the first and second geared discs, and a connecting rod connects the first and second geared discs. The roller chain meshes with both the first and second geared discs. This invention employs a opposed-type drive design to ensure stable meshing of the drive device during operation, distributing the load torque on both sides of the first and second geared discs, ensuring long-term stable operation of the photovoltaic tracking bracket drive device; at the same time, it can reduce the external size of the geared discs, making the structure more compact and reducing production and transportation costs.

Door drive (20) for one door leaf, comprising - a roller chain (24) driven by a motor (22), - a gear (26) that deflects the roller chain (24), - a locking unit (28) formed from - a drive unit (30) permanently connected to the roller chain (24), - a door connection (33) for connection with a door leaf, - a connecting element (32) extending along the roller chain (24), which is pivotably mounted at its first end via a first pivot bearing (34) on the drive unit (30) and at its second opposite end via a second pivot bearing (36) pivotably mounted on the door connection (33), wherein the locking unit (28) is arranged such that in a closed state both pivot bearings (34, 36) are arranged in an end position on the gear (26) on an equal circumferential half of the gear (26) and thereby assume an over-center position relative to each other with respect to a direction of movement of the roller chain (24) into an open position.

An article transport vehicle includes a travel unit; an article holder; two lift mechanisms each including a roller chain and configured to raise and lower the article holder; and a guide mechanism configured to guide the article holder in a lifting direction. The guide mechanism includes a guide rail held by the travel unit and extending along an up-down direction; a plurality of rollers configured to roll in contact with the guide rail; a roller support supporting the plurality of rollers, and a joint mechanism joining the roller support to the article holder. The plurality of rollers are disposed in such a manner as to restrict movement of the roller support in a first direction and a second direction while allowing the roller support to move in the up-down direction relative to the guide rail.

The utility model provides double-layer protein bar pressing equipment. The utility model relates to double-layer protein bar pressing equipment which comprises a rack, a conveying mechanism and two groups of rolling mechanisms, wherein the conveying mechanism and the two groups of rolling mechanisms are arranged on the rack; the two rolling mechanisms are arranged in the feeding direction of the conveying mechanism in a spaced mode and matched with the conveying mechanism to achieve two-time extrusion on protein bar raw materials. The rolling mechanism comprises a supporting part arranged on the rack, a material pressing roller and a friction roller which are rotationally arranged on the supporting part, and a driving part arranged on the supporting part; and the driving part is in chain transmission connection with the material pressing roller and the friction roller respectively, so that the material pressing roller and the friction roller rotate in the same direction. The double-layer protein bar pressing equipment can improve the phenomenon that the product forming quality is poor due to the fact that raw materials adhere to the pressing rollers, and has the advantage of being high in product percent of pass.

The utility model relates to the technical field of container production lines, in particular to a lithium battery energy storage box and container roller chain transmission box shifting mechanism which comprises a bottom frame, a box shifting trolley, a chain pin, a roller chain, a supporting piece, a box shifting rod, two balancing weights, an ascending air cylinder and a descending air cylinder. The workshop area is saved; and the construction cost is reduced. The box shifting rod and the box shifting vehicle frame iron plate are attracted to keep the state and rotate clockwise to the descending position under the action of the balance weight during separation, the structure is simple, and maintenance is convenient. The box shifting rod is controlled to descend and ascend at the return position and the return ending position respectively, and box shifting operation is achieved through the roller chain. According to the box shifting device, full-automatic box conveying can be achieved, three to five boxes are arranged on each set of box shifting device production line, the safety of the production line is improved, and the problems that an existing box shifting mechanism for lithium battery energy storage boxes and container roller chain transmission is low in safety and the automation degree of the production line is low are solved.

A discharging, lifting and transferring device of an automatic bar sawing machine comprises a roller track A and a rotating bracket which are arranged on a track rack A. A servo motor B, a roller chain B and a roller B are arranged on the rotating bracket. The roller track C is arranged on the track rack C, and a servo motor C, a roller chain C and a roller C are arranged on the roller track C; a material blocking cylinder is fixed to the side wall of the foundation frame, and the end of a piston rod of the material blocking cylinder is fixedly connected with a piston rod baffle. A push plate cylinder is fixed to the side wall of the roller track C, the end of a piston rod of the push plate cylinder is fixedly connected with a push plate, and a waste slide carriage is arranged between the roller track C and the waste frame; the bottom end of the rotating bracket is fixedly connected to the upper end of the swing cylinder rotating body. Automatic operation is achieved through PLC control, manual intervention is not needed, and the production efficiency and the product quality are greatly improved.

The utility model provides a hardened crushing machine for bagged materials, and belongs to the technical field of crushing production lines. The problem that use is affected due to material hardening is solved. An extrusion conveyor and a vibration conveyor are sequentially arranged in the conveying direction of bagged materials, the extrusion conveyor comprises a first support, a second support, rubber hanging carrier rollers, a rubber hanging arc-shaped roller, a second speed reducer and a third speed reducer, and the first support is provided with a plurality of rubber hanging carrier rollers; a plurality of rubber coating carrier rollers are sequentially arranged in the conveying direction of bagged materials, the output end of the second speed reducer is connected with the rubber coating carrier rollers, the rubber coating carrier rollers are connected through a second roller chain, two second supports are arranged above the first support, a plurality of rubber coating arc-shaped rollers are arranged on the second supports, and the rubber coating arc-shaped rollers are arranged on the second supports. The output end of the third speed reducer is connected with a plurality of rubberizing arc-shaped carrier rollers, and a plurality of rubberizing arc-shaped carrier rollers are connected through a fourth roller chain. The rubberizing device is mainly used for breaking hardened material bags.

The application discloses a roller chain coupling oil storage protection device and belongs to the technical field of coupling protection. The device comprises two protective cover shells, which are sleeved on the outside of a coupling body and are detachably connected between the two protective cover shells. An inner concave arc groove is arranged on the inner side wall of the protective cover shell, and the cross section of the inner concave arc groove is trapezoidal. A positioning component and a lubricating component are arranged on the protective cover shell, and the positioning component is used for pre-positioning and fixing the two protective cover shells. The trapezoidal cross section of the inner concave arc groove can receive the lubricating oil thrown out by centrifugal force, guide the oil to gather and store, has good oil storage effect, reduces the oil supplement frequency and maintenance cost, and the positioning component has two-stage functions of pre-positioning and locking. In the pre-positioning state, the two protective cover shells can rotate around the coupling body in the circumferential direction as a whole, the lubricating component is driven to uniformly brush oil and lubricate the whole roller chain, the protective cover shells do not need to be disassembled, the process is greatly simplified, and the problems of oil stain dripping and low efficiency are avoided.

A novel closed-loop hydroelectric power generation device includes a frame, characterized by: an upper main shaft and a lower main shaft mounted on the frame; upper and lower sprockets correspondingly mounted on the upper and lower main shafts; roller chains wound around the upper and lower sprockets; connecting plates mounted on the roller chains; water storage hoppers mounted on the connecting plates; and flow guiding devices mounted on the water storage hoppers. A water source for filling the water storage hoppers is installed above the frame; a drive gear for power output is mounted at one or both ends of the lower main shaft, meshing with a pinion of an auxiliary power starting and parking device; the drive gear meshes with the input pinion of a gearbox, and the output shaft of the gearbox is connected to the input shaft of a generator; a water storage tank is installed at the lower part of the frame, serving as a circulating water source or directly connected to a drainage pipe. This invention has advantages such as low water consumption, high efficiency, no terrain limitations, and high output power, and is suitable for distributed new energy power generation.

Electric and muscle-powered bicycle drive system: arranged at the bottom bracket; the electric power transmission has two reduction stages, the first by gears and the second by roller chain or toothed belt, and between the two stages, a clutch engagement, disengagement, and parking lock device connected to the rear wheel, without a freewheel, allowing the motor to be driven by the rear wheel and to operate as a generator; the muscle power transmission has a continuously variable ratio device with pulleys and a belt in a closed and lubricated environment, the ratio being determined by the position of a hydraulic cylinder acting on the driven pulley and the belt tension by a spring acting on the driving pulley. The two transmission paths are independent. Figure for the abbreviation: Fig. 7

The application provides a high-efficiency heavy-load over-crossing transport trolley and a working method thereof, and relates to the technical field of metallurgical equipment maintenance. The device comprises a driving wheel device, a tensioning wheel device, a roller chain, a load-bearing support device, a lifting traction trolley and a position detection system. The direction close to the offline maintenance workshop is right, and the direction close to the online rolling workshop is left. The roller chain is arranged in the middle of the load-bearing support device. The load-bearing support device comprises a first steel rail and a second steel rail, and rolling mills are arranged on the first steel rail and the second steel rail. The load-bearing support device comprises a left trolley track and a right trolley track, and lifting traction trolleys are arranged on the left trolley track and the right trolley track. The position detection system is fixed to the outer side of the right trolley track. In the application, the rolling mills are cooperated with the lifting traction trolley and the position detection system through the bottom wheels of the rolling mills, so that the over-crossing transport function is realized. Compared with the traditional technology, the application avoids the risk of wheel fragmentation, and improves the transport efficiency and stability of heavy-load equipment.

The invention discloses a hand brake and a braking method thereof. The hand brake comprises a hand wheel, the hand wheel is in transmission connection with a driving shaft assembly through a reinforcement device, the driving shaft assembly is in meshing transmission with a chain rolling shaft assembly, the chain rolling shaft assembly is in transmission connection with a chain, one end of the chain is fixedly connected with a vehicle body, and the other end of the chain is connected with a brake device of the vehicle body. The shell assembly and the base assembly are connected through a fastener, and a cavity used for containing the driving shaft assembly and the roller chain shaft assembly is formed between the shell assembly and the base assembly. In the braking step, the hand wheel is rotated, the input force is amplified by the boosting device and then transmitted to the rolling chain shaft assembly through the driving shaft assembly, and the chain assembly is driven to be tensioned to achieve braking. Operation intensity of the hand brake can be reduced, output force and stability of the output force can be improved, the problem of easy rusting failure is solved, then hand brake parking capacity and reliability of the railway wagon are improved, and accident risks caused by parking brake failure are reduced.

The invention is a roller chain for bicycles, comprising a plurality of links (10, 20) hinged to one another in such a way that each link (10, 20) rotates with respect to the adjacent link (10, 20) around an axis (X), and wherein each link (10, 20) comprises at least one plate (100) consisting of a body (110) with two opposite ends (120, 130), in each of which there is a seat or hole (140) for the insertion of a connection pin (11). Said plates are made of spring steel and are elastically deformable in such a way that the distance between said two ends (120, 130) can vary as a result of the effort normally applied while pedalling.

The utility model provides an automatic lens strengthening line cleaning mechanism which comprises a cleaning frame, the cleaning frame is provided with a plurality of lifting baskets, a transmission assembly, a plurality of cleaning pools and an automatic up-and-down hook assembly, and the lifting baskets are used for containing lenses; the rotating assembly comprises two first roller chains, a plurality of fixing rods and a driving device; and rotating gears are installed at the four corners of the two side walls of the inner side of the cleaning frame correspondingly, and the driving device is used for driving the rotating gears to rotate. The driving device is used for driving the rotating gear, so that the roller chain and the fixed rod on the roller chain are driven to rotate, and the continuous and stable movement of the lens lifting basket in the cleaning frame is realized; the efficiency of transferring the lenses among different cleaning pools is improved, the complexity and errors of manual carrying are reduced, and the smooth proceeding of the production process is ensured.

The invention discloses a continuous blanking tool for roller chain plate stamping, and belongs to the technical field of roller chain plate stamping. The device comprises a machine base arranged below a punching machine head, a female die aligned and matched with the punching machine head is fixedly arranged on the machine base, sliding grooves used for guiding a roller chain plate are symmetrically formed in the two sides of the machine base, and a material conveying mechanism used for driving the roller chain plate to move is arranged on the machine base in a sliding fit mode. The driving mechanism is used for driving the material conveying mechanism to move; the material conveying mechanism comprises a moving frame matched with the driving mechanism, the driving mechanism can drive the moving frame to move in the extending direction of the sliding groove, automatic telescopic rods are arranged on the two sides of the moving frame in a matched mode, a push plate is fixedly arranged at the output end of each set of automatic telescopic rods, and the automatic telescopic rods can drive the push plates to move downwards. When the device is used, the chain plate can be conveyed from the female die to the sliding groove and then pushed out of the sliding groove to fall into the bearing box, left-right reciprocating carrying is conducted, and the process is coherent and efficient.

The present application relates to logistics track technical field, specifically to a kind of ultra-low elevation rotary ring shuttle lane switch track device, including reciprocating rotary disc assembly, the reciprocating rotary disc assembly is provided with butt joint curved rail and butt joint straight rail, the reciprocating rotary disc assembly includes platform frame and sector support frame, the platform frame one side is fixedly connected sector support frame, the bottom of platform frame is equipped with universal wheel assembly.The sector support frame is provided with rotary drive assembly on one side.Rotary drive assembly drives driving sprocket to rotate, driving sprocket drives single-row roller chain to rotate along the arc trajectory of sector support frame, sector support frame drives platform frame to rotate, the universal wheel assembly installed below platform frame rolls in the track preset of support raceway plate assembly, platform frame top is fixed with butt joint curved rail and butt joint straight rail, can drive the butt joint straight rail and butt joint curved rail fixed on platform frame top, can realize switch track action by driving assembly transmission.

The application discloses a kind of intermittent reciprocating slider based on single roller chain, belong to intelligent parking equipment technical field.The application includes the driving wheel and driven wheel by the circulation chain transmission type link of horizontal arrangement, also includes the steering wheel of the circulation chain steering, and the left chain segment of the circulation chain is guided to N pair of guide wheels of N level;The upper surface of the circulation chain is fixedly connected with the upper roller of horizontal arrangement by connecting shaft;The upper roller is inserted into the rectangular slide groove in the bottom of slider above, and the upper roller is driving wheel.By slider carrying goods, it can avoid the interference of any direction in horizontal state of slider with upper roller.Circulation chain drives the transverse motion of upper roller when rolling in slide groove, at this time slider keeps still, if 3 stage, then there are 3 short intermittent stop, circulation returns 1 long intermittent stop, without frequent start-stop motor enough time for loading and unloading.

The utility model belongs to the technical field of roller chain machining, particularly relates to a length-fixed cutting-off positioning tool for cutting off a pin shaft of a roller chain, and provides the following scheme that the length-fixed cutting-off positioning tool comprises a working table, a positioning pushing mechanism and an auxiliary length-fixed mechanism, and the positioning pushing mechanism and the auxiliary length-fixed mechanism are installed on the working table. A plurality of rolling shafts are rotationally arranged on the side wall of the opening, and the positioning and pushing mechanism comprises a motor, a lead screw, a pushing part, a pressure applying part, a limiting part and a sliding rail. According to the device, two raw materials for manufacturing the pin shaft can be cut at the same time through one cutting machine, cutting and length fixing are automatically achieved, the cutting efficiency is effectively improved, the raw materials can be conveniently limited through the pushing part, the pressing part and the limiting part, and meanwhile pushing and fixed-length cutting are convenient.

A parallel double-shaft chain storage device of a fire-fighting circulating chain ladder for high-rise building fire-fighting engineering comprises a temporary winding mechanism, a chain storage winding mechanism and a coupling mechanism, the chain storage winding mechanism is selectively coupled with the temporary winding mechanism and comprises a chain storage roller shaft, and the other end of a roller chain is fixed to the chain storage roller shaft and wound on the chain storage roller shaft side by side in a multi-layer stacked mode; and the coupling mechanism is arranged between the chain storage winding and the temporary winding, is selectively in transmission connection with the temporary winding and is used for simulating chain ladder circulation, so that the roller chains which are not connected end to end are circularly arranged between the temporary winding and the chain storage winding. Temporary winding is cooperated with chain storage winding, three modes of lower chain, upper chain and circulating chain are realized, and Z-shaped return chain storage is changed into winding chain storage, so that chain storage is miniaturized, the chain is not easy to block, the operation is safe, and the use is simple.

The invention provides a parallel multi-roller chain transmission buffeting online self-adjusting structure of a combine harvester, and relates to the technical field of multi-roller chain transmission, the parallel multi-roller chain transmission buffeting online self-adjusting structure comprises a machine body, a control button is fixedly mounted on the surface of the machine body, a display screen is fixedly mounted on the surface of the machine body, a first hydraulic cylinder is fixedly mounted in the machine body, and a second hydraulic cylinder is fixedly mounted in the machine body. The output end of the first hydraulic cylinder is fixedly provided with a mounting head, and the surface of the machine body is provided with a feeding port. According to the invention, through the arrangement of the machine body, the control button, the display screen, the first hydraulic cylinder, the mounting head, the feeding port, the placing block, the placing box, the second hydraulic cylinder, the third hydraulic cylinder, the fourth hydraulic cylinder and other structures, when the equipment is used, through the arrangement of the second hydraulic cylinder, the third hydraulic cylinder, the top block, the placing box, the placing block and other structures, automatic feeding can be carried out; pause and delay in the feeding process are avoided, the production efficiency of the whole patch production line is effectively improved, and meanwhile, manual patch errors can be effectively reduced.

Electric bicycle drive unit: mounted on the bottom bracket, connected to the rear wheel by an independent track parallel to the bottom bracket, and without a freewheel, allowing the motor to be driven by the rear wheel and operate as a generator; Between its two reduction stages, the first by gears and the second by roller chain or toothed belt, it features a clutch, disengagement, and parking lock mechanism; Controlled by a computer that defines the assistance and regenerative braking levels, clutch engagement, disengagement, and locking based on information from: speed sensors, battery charge level, requested assistance level, braking level, incline, ignition key presence and activation, and the position of the sliding sleeve control fork. Figure for the abbreviation: Fig. 1