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32results about How to "Prevent off-chain" patented technology
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Chain tension checking device
The invention provides a chain tension checking device. The chain tension checking device can be used for regulating the tension of a chain, the chain is effectively prevented from taking off, and the service life of the chain tension checking device is prolonged. The chain tension checking device comprises a rack and a chain wheel, wherein the chain wheel is in mesh transmission with the chain, and the chain is fixedly provided with a chain board. The chain tension checking device provided by the invention is characterized in that the rack is provided with a sliding rail, a wheel shaft of the chain wheel is arranged on a sliding block, the sliding block is arranged on the sliding rail, the sliding block is connected to a screw rod, the screw rod penetrates through the rack after being sleeved with a spring, the tail end of the screw rod is sleeved with an induction nut, and a sensor is arranged under the induction nut and is arranged on the rack.
Owner:WUXI MINGZHU TURBOCHARGER MFG
Chain used for diamond chain saw
ActiveCN101125446BPrevent infiltrationAvoid chippingStone-like material working toolsChain sawDiamond
The present invention discloses a chain for diamond chain saw, which comprises chain bodies, diamond segments, connecting pieces and a connecting shaft, wherein, two ends of each connecting piece are provided with connecting holes, and two ends of the each chain body are provided with body holes; the connecting pieces are sleeved in the connecting shaft through the connecting holes of the connecting pieces; two ends of the connecting shaft are inserted in and connected fixedly with the body holes at the same ends of the upper and lower chain bodies, and two ends of the upper and lower chain bodies are connected movably with one end of the adjacent connecting piece respectively; the diamond segments are connected fixedly on the upper and lower chain bodies, and a sealing washer of the connecting shaft is arranged between the connecting pieces and the upper and lower chain bodies. The present invention is not easy to produce chain removal or rupture, and can be used for sawing and cutting the materials with strong grinding performance, such as segments, concrete, and so on. The connecting pieces of the present invention are also able to be provided with protection teeth whose anglesface to the diamond segments so as to avoid the edges of the diamond segments from breaking and improve the sharpness of the present invention.
Owner:GUANGZHOU CRYSTAL TECH
Movable type multidirectional code scanning device for smokebox storage
ActiveCN110002160ARealize multi-directional mobile scanningReduce work intensityStands/trestlesStorage devicesMovable typeEngineering
The invention discloses a movable type multidirectional code scanning device for smokebox storage. First stand columns are fixedly mounted at four corners of a base; the upper parts of the front and rear first stand columns are connected through a longitudinal beam; a guide groove is formed in each of the longitudinal beam and a transverse beam; an adjusting rod is arranged on one side of the transverse beam; a code scanner is fixedly connected with the adjusting rod through a T-shaped plate; a bearing pedestal is arranged on one side of the upper part of the base; a rotary shaft is arranged in the bearing pedestal; a rotary disc is fixedly connected with the upper end of the rotary shaft; a clamping device is arranged on the rotary disc; and a placement table is arranged on one side of the upper part of the clamping device. According to the movable type multidirectional code scanning device, the longitudinal beam and the transverse beam are arranged on a rack; the code scanner is mounted on the transverse beam and moves on the transverse beam vertically and transversely; in addition, the transverse beam is mounted on the longitudinal beam through a first sliding block, so that multidirectional movable code scanning of the code scanner is realized; and moreover, the clamping device for positioning a smokebox is arranged at the lower part of the placement table, so that the situation that a worker overturns the smokebox to and fro to adjust the position of a bar code is avoided, the labor strength of the worker is reduced, and the cigarettes and tobacco storage efficiency isimproved.
Owner:SHANDONG QINGDAO TOBACCO
Chain used for diamond chain saw
ActiveCN101125446APrevent infiltrationAvoid chippingStone-like material working toolsChain sawDiamond
The present invention discloses a chain for diamond chain saw, which comprises chain bodies, diamond segments, connecting pieces and a connecting shaft, wherein, two ends of each connecting piece are provided with connecting holes, and two ends of the each chain body are provided with body holes; the connecting pieces are sleeved in the connecting shaft through the connecting holes of the connecting pieces; two ends of the connecting shaft are inserted in and connected fixedly with the body holes at the same ends of the upper and lower chain bodies, and two ends of the upper and lower chain bodies are connected movably with one end of the adjacent connecting piece respectively; the diamond segments are connected fixedly on the upper and lower chain bodies, and a sealing washer of the connecting shaft is arranged between the connecting pieces and the upper and lower chain bodies. The present invention is not easy to produce chain removal or rupture, and can be used for sawing and cutting the materials with strong grinding performance, such as segments, concrete, and so on. The connecting pieces of the present invention are also able to be provided with protection teeth whose angles face to the diamond segments so as to avoid the edges of the diamond segments from breaking and improve the sharpness of the present invention.
Owner:GUANGZHOU CRYSTAL TECH
Rear derailleur
InactiveCN103121493APrevent off-chainAvoid causing off-chainChain/belt transmissionSteering wheelVehicle frame
The invention discloses a rear derailleur used for a bicycle. The rear derailleur is locked on one side of a fork end of a bicycle frame, and contains a screw rod seat, a screw rod, a speed change connecting rod, a bitch chain connecting rod and a connecting rod control line. When a front derailleur pulls or loosens speed change cables, the speed change connecting rod is capable of sliding on the screw rod seat forward and backward; meanwhile a foot end of the connecting rod control line can also pull the bitch chain connecting rod to rotate, change the end point of the bitch chain connecting rod rotating under the action of a return spring, so that the effects of speed change advancing gear, positioning gear, speed change reducing gear and angle positioning of the bitch chain steering wheel can be achieved, the speed change connecting rod and the bitch chain steering wheel cannot rotate to change the positions, and a chain-off phenomenon is avoided; when gear ratio of a flywheel is changed, due to the pulling of the connecting rod control line, the speed change connecting rod can rotate to change the position so as to adjust the angle of the bitch chain steering wheel for tensioning the chain, and the chain-off phenomenon is avoided.
Owner:林昌慧
Super-labor-saving bicycle
InactiveCN108454769AEffort-saving ridingImprove exercise effectCycle saddlesRider propulsionVehicle frameWhole body
The invention discloses a super-labor-saving bicycle which comprises a front wheel assembly, a rear wheel assembly, a handle, pedals, a frame, a connecting rod, a swinging rod, a seat and a transmission mechanism, wherein the transmission mechanism is used for transferring swinging force of the swinging rod to the rear wheel assembly. The front wheel assembly and the rear wheel assembly are mounted at the front end and the rear end of the frame, the pedals are rotatably mounted at the lower end of the middle of the frame, the swinging rod and the pedals are hinged to two ends of the connectingrod, the seat is fixed at a hinging end of the connecting rod and the swinging rod, and one end, far away from the seat, of the swinging rod is hinged to the front end of the frame and in transmission connected with the rear wheel assembly through the transmission mechanism. According to the bicycle, force is generated by the weight of a human body, so that the bicycle is easily ridden, long-timemovement of feet is omitted, the bicycle is ridden by movement of a whole body, and good exercising effects can be achieved.
Owner:曾东斌
Chain wheel conveyor
Owner:HUNAN XIANGHENG SALT CHEM
League chain signature generating method and device
ActiveCN109672535AEfficient determinationSafe to determineEncryption apparatus with shift registers/memoriesUser identity/authority verificationBlockchain
Owner:CHENGDU SEFON SOFTWARE CO LTD
Labor-saving bicycle with adjustable speed
PendingCN108502081AChange the torqueSpeed adjustment is simple and fastChain/belt transmissionRider propulsionVehicle frameEngineering
The invention discloses a labor-saving bicycle with adjustable speed. The labor-saving bicycle with the adjustable speed comprises a front wheel assembly, a rear wheel assembly and a frame; the frontwheel assembly and the rear wheel assembly are correspondingly mounted at the front and rear ends of the frame; the labor-saving bicycle with the adjustable speed is characterized by further comprising a four-connecting-rod mechanism used for converting the deadweight of a rider into a swinging force, a chain wheel, a chain A and a transmission mechanism; the four-connecting-rod mechanism is mounted on the frame; the chain wheel is mounted on the frame in a rotatable manner and engaged with the middle part of the chain A; the chain wheel is connected with the rear wheel assembly through the transmission mechanism in a transmission manner; one end of the chain A is connected to an output connecting rod of the four-connecting-rod mechanism in a sliding manner; one end, connected with the frame, of the output connecting rod extends to form a bending part; the other end of the chain A is connected with the bending part; and a tensioner for tensioning the chain A is arranged between the bending part and the output connecting rod. According to the labor-saving bicycle with the adjustable speed, the speed can be simply and rapidly adjusted to protect physical and psychological health of the rider.
Owner:曾东斌
Mechanized production equipment of clow chain
The present invention relates to an equipment for manufacturing jaw chain ornament, including chain link slab shearing station, press-moulding station for flanging periphery of chain link slab, connecting strap station, extruding station for closuring shackle and forming station. On the mould bed the longitudinal chain link slab conveying channel and chain link blank conveying channel are cut, they are respectively equipped with pushing bar driven by reciprocating mechanism. Said invention can mechanically produce jaw chain ornament with high speed.
Owner:潘国基
Tensioning device with tension and gravity capable of being adjusted synchronously and on lower portion of elevator
A tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of an elevator comprises a counter weight mechanism (device) and a lever. A lever adjusting mechanism (device) is installed on an enclosure on the lower portion of the elevator and connected with one end of the lever, the other end of the lever is connected with the counter weight mechanism, the middle of the lever is connected with a lever rotation shaft mechanism (device) through a sliding supporting plate, and the lever rotation shaft mechanism is connected with a steering chain wheel assembly or a belt pulley assembly on the lower portion of the elevator. The lever adjusting mechanism is a nut lead screw mechanism. A left tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator and a right tensioning device with tension and gravity capable of being adjusted synchronously and on the lower portion of the elevator are arranged on the lower portion of the elevator. The tensioning device is balanced in tension, effectively prevents the steering chain wheel assembly or the belt pulley assembly on the lower portion of the elevator from deviating from a chain or a belt, and is reliable in running.
Owner:龚学林
Rear derailleur
InactiveCN103121493BPrevent off-chainAvoid causing off-chainChain/belt transmissionSteering wheelControl line
The invention discloses a rear derailleur used for a bicycle. The rear derailleur is locked on one side of a fork end of a bicycle frame, and contains a screw rod seat, a screw rod, a speed change connecting rod, a bitch chain connecting rod and a connecting rod control line. When a front derailleur pulls or loosens speed change cables, the speed change connecting rod is capable of sliding on the screw rod seat forward and backward; meanwhile a foot end of the connecting rod control line can also pull the bitch chain connecting rod to rotate, change the end point of the bitch chain connecting rod rotating under the action of a return spring, so that the effects of speed change advancing gear, positioning gear, speed change reducing gear and angle positioning of the bitch chain steering wheel can be achieved, the speed change connecting rod and the bitch chain steering wheel cannot rotate to change the positions, and a chain-off phenomenon is avoided; when gear ratio of a flywheel is changed, due to the pulling of the connecting rod control line, the speed change connecting rod can rotate to change the position so as to adjust the angle of the bitch chain steering wheel for tensioning the chain, and the chain-off phenomenon is avoided.
Owner:林昌慧
Chain supporting wheel and lower part bend wheel of shallow slot separator
The invention provides a chain supporting wheel and a lower part bend wheel of a shallow slot separator and belongs to the shallow slot separator fitting field. The chain supporting wheel and the lower part bend wheel of the shallow slot separator mainly comprise wheel hubs (1) and hub sleeves (2), wherein the wheel hubs (1) are in the shape of T; the hub sleeves (2) which are matched with the wheel hubs (1) are in the shape of a groove; inclined planes (6) are arranged inside of an outer edge of the wheel hubs (1); two wheel hubs (1) are installed in opposite directions at both ends of a shaft (4) through keys (3); the hub sleeves (2) are snapped on the wheel hubs (1) by using screws. End parts of the two wheel hubs form a trapezoid to prevent chain wheel deviation; the inclined planes on the wheel hubs can assist in preventing chain falling; chains slide on the hub sleeves when chains are started to run, and the wheel hubs and the shaft are driven to move; if any wearing exists, only the hub sleeves are needed to be replaced. According to the invention, current chain wheels can be replaced by the chain supporting wheel and the lower part bend wheel of the shallow slot separator. The invention is advantaged by a simple structure, convenient processing, low cost, high security, easy installation and easy replacing.
Owner:淮北市协力重型机器有限责任公司 +1
Labor-saving bicycle
ActiveCN109895925AEffort-saving ridingImprove exercise effectCycle saddlesRider propulsionWhole bodyEngineering
The invention discloses a labor-saving bicycle. The labor-saving bicycle comprises a front wheel assembly, a rear wheel assembly, a handlebar, a pedal, a bicycle frame, a connecting rod, a swinging rod, a seat, and a transmission mechanism for transmitting swinging force of the swinging rod to the rear wheel assembly, wherein the front wheel assembly and the rear wheel assembly are mounted at thefront end and the rea rend of the bicycle frame respectively; the pedal is rotatingly mounted at the lower end of the middle of the bicycle frame; the swinging rod and the pedal are hinged to both ends of the connecting rod; the seat is fixed at the hinge end of the connecting rod and the swinging rod; one end of the swinging rod, which is away from the seat, is hinged to the front end of the bicycle frame and drivingly connected with the rear wheel assembly through the transmission mechanism. The labor-saving bicycle is powered by body weight of a rider to achieve labor-saving riding, so thatthe rider can achieve good exercise effects without riding through long-time foot movement and whole body action.
Owner:曾东斌
A crawler-type agricultural machinery walking mechanism with a broken function of preventing chain detachment
InactiveCN111409715BPrevent off-chainImprove discharge efficiencyEndless track vehiclesAcute angleAgricultural engineering
The invention relates to the field of crawler belt detachment prevention, in particular to a crawler-type agricultural machinery running mechanism with a broken function of preventing detachment of the chain, including a main body of the running mechanism, a track shoe body, a driving wheel, and a load wheel. The upper end of the lower pressure chamber is movable with an anti-off plate, the inside of the road wheel is equipped with an anti-off rod, and the inner side of the track shoe body is fixedly connected with an anti-off protrusion, and the obtuse angled protrusion facing the side of the lower pressure chamber by pressing down the vibrating plate , and the sharp-angled bump on the side of the fixed vibrating plate facing the outside of the lower pressure chamber, contact and collide to generate vibrations, so that the edges and corners of the stones are flattened or shattered, so that the effect of preventing the stones from falling off the chain is improved, and then through the inside of the anti-falling plate. The vibrating chamber, and the internal vibrating block is set in a pentagonal shape, then when the down-pressing vibrating plate contacts the fixed vibrating plate to generate vibration, the vibrating block can collide with the vibrating chamber through its outer edges and corners, thereby further improving the transmission to the stones. Make it shatter and discharge the vibration frequency.
Owner:江山市恒生实业有限公司
A multi-directional code scanning device for moving cigarette boxes into storage
ActiveCN110002160BRealize multi-directional mobile scanningReduce work intensityStands/trestlesStorage devicesBarcodeStructural engineering
The invention discloses a movable type multidirectional code scanning device for smokebox storage. First stand columns are fixedly mounted at four corners of a base; the upper parts of the front and rear first stand columns are connected through a longitudinal beam; a guide groove is formed in each of the longitudinal beam and a transverse beam; an adjusting rod is arranged on one side of the transverse beam; a code scanner is fixedly connected with the adjusting rod through a T-shaped plate; a bearing pedestal is arranged on one side of the upper part of the base; a rotary shaft is arranged in the bearing pedestal; a rotary disc is fixedly connected with the upper end of the rotary shaft; a clamping device is arranged on the rotary disc; and a placement table is arranged on one side of the upper part of the clamping device. According to the movable type multidirectional code scanning device, the longitudinal beam and the transverse beam are arranged on a rack; the code scanner is mounted on the transverse beam and moves on the transverse beam vertically and transversely; in addition, the transverse beam is mounted on the longitudinal beam through a first sliding block, so that multidirectional movable code scanning of the code scanner is realized; and moreover, the clamping device for positioning a smokebox is arranged at the lower part of the placement table, so that the situation that a worker overturns the smokebox to and fro to adjust the position of a bar code is avoided, the labor strength of the worker is reduced, and the cigarettes and tobacco storage efficiency isimproved.
Owner:SHANDONG QINGDAO TOBACCO
Adjustable cart device for construction site transportation
InactiveCN112298309AQuick dumpSave energySupporting partsHand carts with multiple axesGear wheelElectric machinery
The invention relates to an adjustable cart device for construction site transportation. The device comprises a cart hopper, a detachable storage battery device is arranged above the rear end of the cart hopper, a supporting type adjusting handrail device is arranged below the rear end of the cart hopper, an adjusting type wheel device is arranged below the cart hopper, and a chain type driving device is arranged below the cart hopper. Through sliding fit between the oval C-shaped sliding way and the wheel supporting base, the gravity center of the car hopper 1 is adjusted on the two sides ofa wheel rotating shaft, the self-weight of the car hopper is matched with assistance of workers to dump concrete, and the physical strength of the workers is saved; a first circulating gear and a second circulating gear are used as focuses, and the wheel gear serves as a moving point, so that the wheel gear moves around an elliptical orbit, the stability of power transmission of the circulating chain is guaranteed, and the problem of chain disengaging of the circulating chain is solved; the car hopper is driven by the driving motor to move, and a large amount of physical strength of workers can be saved.
Owner:王丽苹
A folding bicycle
The folding bicycle includes a frame, a handlebar support, a saddle, a front fork, a pedal mechanism, a handlebar, a front wheel, a first drive device, a second drive device and other parts. The first drive device on the frame has input end fitting the pedal mechanism, and the foldable second drive device on the frame is connected to the back wheel and has input end capable of being fitted to the output end of the first drive device and output end fitted to the back wheel. The folding bicycle has no chain falling during folding and small size after being folded for easy carrying.
Owner:李卫泽
Dismounting device for in-hole bearing
The invention discloses a dismounting device for an in-hole bearing. An inner barrel is in threaded connection with the interior of an outer barrel, a plurality of second handles are arranged on the upper portion of the inner barrel, an ejector rod is in threaded connection with the middle of the inner barrel, a conical head is arranged at the lower end of the ejector rod, and a first handle is arranged at the upper end of the ejector rod; at least two mounting grooves are formed in the lower portion of the inner barrel, clamping arms are movably connected to the mounting grooves, and a firstclamping hook is arranged at one end of each clamping arm; and at least two sets of chain wheels are arranged on the outer barrel, the chain wheels are mounted on the outer wall of the outer barrel through fixed shafts, chains are arranged on the chain wheels, and second clamping hooks are arranged at the lower ends of the chains. When the in-hole bearing is dismounted, the second clamping hooks are clamped on a bearing pedestal or other fixing structures, then the clamping arms are inserted into a bearing inner ring, the first handle is rotated, the first clamping hooks at the lower ends of the clamping arms are opened through the conical head and hook the lower end face of the bearing, then the second handles are rotated, the inner barrel ascends, the clamping arms are driven to move upwards, and therefore the in-hole bearing is dismounted, the dismounting stability of the in-hole bearing is guaranteed, and the bearing is prevented from being damaged.
Owner:冠县恒祥轴承制造有限公司
Sealing Structure of Mineral Powder Elevator Shell
InactiveCN104176435BGuaranteed tensionImprove sealingEngine sealsConveyorsEngineeringConstruction aggregate
The invention relates to a mineral powder elevator casing sealing structure. The sealing structure comprises an elevator casing, driven components, wool felts, angle steel guide rails, casing pressing plates, adjusting pressing plates and adjusting bolts. One side of each wool felt is adhered to the corresponding casing pressing plate, and the other side of the same tightly presses the elevator casing. The angle steel guide rails are welded onto the elevator casing, and each adjusting pressing plate is fastened and tightly pressed on the corresponding angle steel guide rail through the corresponding adjusting bolts. The casing pressing plates tightly press the corresponding wool felts on the elevator casing, and the driven components are fixed on the corresponding casing pressing plates via bolts. The sealing structure is compact and reasonable in structure; good sealing of an elevator is guaranteed by adjustment, verticality of driving components and the driven components of the elevator is ensured, and a chain is prevented from separation or off-tracking; convenience, time saving and labor saving in adjustment are realized; when the elevator is used for elevating aggregate, the driving components drive the driven components to run together through a plate link chain or endless chain, and certain tensity of the plate link chain or endless chain can be guaranteed.
Owner:WUXI HUAZHONG TECH
A control system and method for a chain drive tensioning device
The invention provides a control system and method for a chain transmission tensioning device, which is used to control the chain transmission tensioning device to solve the problem of chain slack during the chain transmission process. The control system specifically includes an acoustic emission detection unit, a motion control unit, a position detection unit, a comparison unit, a display unit and a PLC control system. Among them, the acoustic emission detection unit is used to collect the acoustic emission signal generated during the chain transmission process; the motion control unit is used to control the tensioning motor and the brake motor; the position detection unit is used to control the displacement stroke of the braking mechanism and detect the rotation of the tensioning mechanism The comparison unit and the display unit are used to compare and display relevant data respectively; the PLC control system includes a feedback module, a delay module and an early warning module, and the early warning module is used to estimate the remaining service life of the chain and remind the staff to replace the chain. The control system and control method can quickly, effectively and accurately control the chain transmission tensioning device to solve the chain slack problem.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Oscillating buoy type ocean wave power generation device
InactiveCN105888952BCompact structureReasonable layoutEngine fuctionsMachines/enginesSurface oceanReciprocating motion
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Guide rod type cable-stayed resisting hoist rope guide
The invention discloses a guide rod type cable-stayed resisting hoist rope guide comprising a guide rod type thread guiding mechanism. The guide rod type thread guiding mechanism is provided with an adjustable rope guiding device and connected to the front face of a winding drum; a rope pressing wheel on the guide rod type thread guiding mechanism is pressed on the last circle of a steel wire ropeon the winding drum, and the steel wire rope moves downwards through rope guiding wheels to be connected to a lifting hook set; the guide rod type thread guiding mechanism is provided with the adjustable rope guiding device; one end of a thread shaft on the guide rod type thread guiding mechanism is connected with a small chain wheel, and the small chain wheel is connected with a large chain wheel through a chain; the large chain wheel is connected to a joint shaft, and the joint shaft is connected to one end of a winding drum shaft of an electric hoist through a screw; and a tension device is connected to the chain, and a chain-breaking or chain-disengagement cut-off switch is arranged on the tension device.
Owner:乐弍妹
Mineral powder elevator casing sealing structure
The invention relates to a mineral powder elevator casing sealing structure. The sealing structure comprises an elevator casing, driven components, wool felts, angle steel guide rails, casing pressing plates, adjusting pressing plates and adjusting bolts. One side of each wool felt is adhered to the corresponding casing pressing plate, and the other side of the same tightly presses the elevator casing. The angle steel guide rails are welded onto the elevator casing, and each adjusting pressing plate is fastened and tightly pressed on the corresponding angle steel guide rail through the corresponding adjusting bolts. The casing pressing plates tightly press the corresponding wool felts on the elevator casing, and the driven components are fixed on the corresponding casing pressing plates via bolts. The sealing structure is compact and reasonable in structure; good sealing of an elevator is guaranteed by adjustment, verticality of driving components and the driven components of the elevator is ensured, and a chain is prevented from separation or off-tracking; convenience, time saving and labor saving in adjustment are realized; when the elevator is used for elevating aggregate, the driving components drive the driven components to run together through a plate link chain or endless chain, and certain tensity of the plate link chain or endless chain can be guaranteed.
Owner:WUXI HUAZHONG TECH
Flexible chain tensioning device
The invention discloses a flexible chain tensioning device. The flexible chain tensioning device comprises two symmetrically-arranged rocker arm assemblies, a spring assembly and a mounting bottom plate. The rocker arm assemblies comprise tensioning chain wheels, chain wheel shafts and rocker arm rods, the tensioning chain wheels are rotationally assembled at the top ends of the rocker arm rods through the chain wheel shafts, the bottom ends of the rocker arm rods are hinged to the mounting bottom plate, and the spring assembly is assembled between the two rocker arm rods in a crossing manner. According to the chain tensioning device, flexible tensioning is conducted on a chain, the functions of automatic compensation and automatic tensioning adjustment are achieved, the potential safety hazards of gear skipping and chain disengaging happening in the chain transmission process are reduced, and meanwhile the working efficiency of chain tensioning operation is improved.
Owner:SUNWARD INTELLIGENT EQUIP CO LTD +1
A dismantling device for bore bearings
Owner:冠县恒祥轴承制造有限公司
Zipper tooth oxidized wire with constant tension
ActiveCN105559266ASolve the problem of uneven tightness, which is prone to chain detachmentSolve problems such as windingSlide fastenersDrive shaftConductor Coil
The invention provides a zipper tooth oxidized wire with constant tension. The zipper tooth oxidized wire comprises an oxidized wire main body, wherein the oxidized wire main body comprises a plurality of oxidization grooves which are arranged in parallel; each oxidization groove is at least provided with one belt-in driving shaft, one belt-out driving shaft and an immersing rolling shaft; a discharging end of the oxidization groove located at the tail end is provided with a motor for pulling a zipper belt; the motor is in transmission connection with a leading-out rotary shaft group; zipper belt traction devices are arranged at a belt-out end of each oxidization groove and an inlet end of the first oxidization groove except the oxidization groove at the tail end; each zipper belt traction device comprises a pair of upper traction wheel and lower traction wheel which are engaged with each other up and down and have flat-tooth convex lines; and each upper traction wheel is further provided with a pressure adjusting mechanism. According to the zipper tooth oxidized wire with the constant tension, phenomena of zipper releasing, winding and the like, caused by the fact that the tightness of the zipper is different between the different oxidization grooves can be avoided, and a worker can relatively easily and conveniently operate; and performances including coloring difference, tooth surface scratching, the stretching rate of a zipper and the like can be improved very well.
Owner:FUJIAN SBS ZIPPER SCI & TECH CO LTD
A New Type of Bicycle Continuously Variable Transmission
InactiveCN105620649BPrevent off-chainGuaranteed normal outputChain/belt transmissionSprocketEngineering
The invention provides a novel bicycle stepless transmission and belongs to the technical field of transmission in order to solve the problems that in the prior art, a bicycle loses transmission force during speed change, and meanwhile a chain is likely to fall.The novel bicycle stepless transmission comprises a disc framework, a chain wheel system and a hydraulic system.The disc framework comprises a center hexangular disc and rail discs symmetrically arranged on the two sides of the center hexangular disc.The chain wheel system comprises six chain wheel structures.Each chain wheel structure comprises a chain wheel and a U-shaped frame, wherein the U-shaped frame comprises a U-shaped wheel frame and a hydraulic rod, the chain wheel is arranged at the open end of the U-shaped wheel frame, rolling shafts coaxial with the chain wheel are installed on the two sides of the U-shaped wheel frame, the two rolling shafts are matched with notch grooves in the corresponding rail disc, and the hydraulic rod is fixed to the end, opposite to the open end, of the U-shaped wheel frame.The hydraulic rods of the six chain wheel structures are matched with six radial deep holes in the center hexangular disc, and the six chain wheels of the six chain wheel structures are located on the same circumference.The hydraulic system is communicated with six hydraulic oil ways, and the extending length of the hydraulic rods is adjusted.
Owner:JILIN UNIV
Coarse rack pull chain underwater steering structure capable of avoiding chain come-off and sticking
PendingCN106044874AAvoid off-chain and stuckPrevent off-chainSpecific water treatment objectivesWater/sewage treatment apparatusEngineeringUnderwater
The invention relates to a coarse rack pull chain underwater steering structure capable of avoiding chain come-off and sticking. The underwater steering structure comprises a coarse rack, a pull chain, an upstream section linear chain groove, a downstream section linear chain groove and an arc chain groove, wherein the coarse rack is fixedly provided with the upstream section linear chain groove, the downstream section linear chain groove and a semicircular chain groove; the lower end of the upstream section linear chain groove is connected with the lower end of the downstream section linear chain through the arc chain groove in a smooth transition mode; the pull chain is arranged in the upstream section linear chain groove, downstream section linear chain groove and arc chain groove; the width of the upstream section linear chain groove body is less than that of the downstream section linear chain groove; and from the lower end of the upstream section linear chain groove to the lower end of the downstream section linear chain groove, the width of the arc chain groove gradually increases. The pull chain is always restricted to the inside of the continuous chain groove body when operating underwater, thereby completely avoiding the possibility of pull chain come-off.
Owner:WUXI GENERAL MACHINERY FACTORY
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