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13 results about "Chain fall" patented technology
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Annular track device for flushing equipment of indirect cooling tower
The invention discloses an annular track device for flushing equipment of an indirect cooling tower, which is used for accommodating and moving a hose and a cable required by the flushing equipment and comprises a drag chain and a groove box, the drag chain can be folded to form a first drag chain part, a second drag chain part and a bent drag chain part connected between the first drag chain part and the second drag chain part, the first drag chain part, the second drag chain part and the bent drag chain part are arranged in the horizontal direction, and the groove box is in a circular ring shape and used for containing the drag chain. An outer annular groove and an inner annular groove which are concentrically arranged are formed in the groove box, the first drag chain part is contained in the outer annular groove, and the second drag chain part is contained in the inner annular groove. The problem that the drag chain falls off due to transverse deviation and vibration in the running process can be solved.
Owner:高飞
Movable chain block lifting installation platform device and method
The invention provides a movable chain block lifting installation platform device and method, and relates to the technical field of installation and production of ocean structures, the movable chain block lifting installation platform device comprises a main body support, a storage rack and a lifting rack, the storage rack is arranged on the main body support in a sliding mode, and the lifting rack is arranged in the storage rack and drives the storage rack to move longitudinally; a lifting joint for driving the lifting frame to move longitudinally is connected to the upper portion of the body support, a chain block is hung on the lifting joint, the end, away from the lifting joint, of the chain block is connected with the bottom of the lifting frame, the upper portion of the storage frame penetrates through the top of the body support and then is provided with a storage plate, and the storage plate is provided with a tool holder plate for fixing a structure. The heavy object mounting and welding requirements under the condition that the space is limited can be met, the working fatigue problem caused by long-time side-lying overhead welding of workers in the actual production process can be solved, the construction efficiency is improved, and positive application value and actual economic effectiveness are achieved for steel transportation and construction production in the manufacturing industry.
Owner:OFFSHORE OIL ENG QINGDAO
Chain wheel device and bicycle
The utility model discloses a chain wheel device and a bicycle and relates to the technical field of bicycles, the chain wheel device comprises a middle shaft, a shaft sleeve, a chain wheel and a telescopic mechanism, the middle shaft is used for being rotationally installed on a bicycle frame, the shaft sleeve is arranged on the middle shaft in a sleeving mode and can move in the axial direction of the middle shaft, the shaft sleeve and the middle shaft are relatively fixed in the circumferential direction of the middle shaft, and the chain wheel is arranged on the shaft sleeve; the telescopic mechanism is arranged in the middle shaft and connected to the shaft sleeve and / or the chain wheel so as to drive the shaft sleeve to move in the axial direction of the middle shaft through stretching and retracting. According to the chain wheel device and the bicycle, the riding efficiency of a user can be improved, the situations of chain falling after returning, asymmetric abrasion of the tooth part, tooth part deformation and the like can be reduced, and therefore the riding experience of the user can be improved, and the service life of the bicycle is prolonged.
Owner:HUNAN SUAO TECH CO LTD
Chain wheel assembly and bicycle
The utility model discloses a chain wheel assembly and a bicycle, and relates to the technical field of bicycles, the chain wheel assembly comprises a middle shaft, a shaft sleeve, a chain wheel and a driving mechanism, the middle shaft is used for being rotationally installed on a bicycle frame, the shaft sleeve is arranged on the middle shaft in a sleeving mode and can move in the axial direction of the middle shaft, the shaft sleeve and the middle shaft are relatively fixed in the circumferential direction, and the chain wheel is arranged on the shaft sleeve; the driving mechanism is used for driving the shaft sleeve to axially move along the middle shaft. According to the chain wheel assembly and the bicycle, the riding efficiency of a user can be improved, the situations of chain falling after returning, asymmetric abrasion of the tooth part, tooth part deformation and the like can be reduced, and therefore the riding experience of the user can be improved, and the service life of the bicycle is prolonged.
Owner:HUNAN SUAO TECH CO LTD
Anti-backout spider assembly and bicycle
The application discloses a back-off prevention tooth disc assembly and a bicycle, and relates to the technical field of bicycles. The back-off prevention tooth disc assembly comprises a middle shaft, a overrunning clutch, a shaft sleeve, a tooth disc and a driving mechanism. The middle shaft is used for being rotatably installed on a frame. The overrunning clutch is installed on the outer circumferential wall of the middle shaft. The shaft sleeve is sleeved on the outer side of the middle shaft and is connected to the overrunning clutch. The shaft sleeve can move along the axial direction of the middle shaft. The tooth disc is arranged on the shaft sleeve. The driving mechanism is connected to the shaft sleeve and / or the tooth disc, and is used for driving the shaft sleeve to move along the axial direction of the middle shaft. The back-off prevention tooth disc assembly and the bicycle can not only improve the riding efficiency of a rider, but also reduce chain falling, tooth asymmetry wear and tooth deformation, thereby improving the riding experience of the rider and prolonging the service life of the bicycle.
Owner:HUNAN SUAO TECH CO LTD
Direct drive pedal device and bicycle
The application discloses a direct drive type sprocket device and a bicycle. A linear motor is arranged between a frame and a middle shaft, and a motor rotor is sleeved on the middle shaft and can move along the middle shaft in the axial direction, thereby driving the sprocket fixedly connected with the motor rotor to move along the middle shaft in the axial direction, so that the included angle between the sprocket and the chain is adjusted, the degree of the included angle deviating from the ideal zero degree is reduced, the axial component force caused by the included angle when the chain transmits driving force is reduced, the effective power for driving the driving flywheel to rotate is improved, and finally the riding efficiency is improved. With the linkage mechanism of the linear motor and the sprocket, the transmission included angle is accurately controlled, and a reliable path is provided for optimizing the power transmission efficiency of the variable speed bicycle. In addition, because the included angle is reduced, the meshing cutting range of the chain and the tooth is wider, the chain falling back is reduced, the asymmetric wear of the tooth part is reduced, the axial stress of the tooth part is reduced, the deformation of the tooth is reduced, and the service life is prolonged.
Owner:HUNAN SUAO TECH CO LTD
Automatic adjusting device for chain of mining elevator
The utility model discloses an automatic adjusting device for a chain of a mining elevator, which belongs to the technical field of mining elevator equipment and comprises a rack, the rack comprises a fixing frame and an adjusting frame slidably mounted at one end of the fixing frame, a first electric telescopic rod is connected between the fixing frame and the adjusting frame, and a driving chain wheel is mounted on the fixing frame. The driven chain wheel is installed on the adjusting frame, locking mechanisms are arranged on the outer wall of the fixing frame and the outer wall of the adjusting frame, and a moving mechanism is installed at the bottom of the machine frame. Due to the arrangement of the fixing frame, the adjusting frame and the first electric telescopic rod, the driving chain wheel is installed on the fixing frame, and the driven chain wheel is installed on the adjusting frame, the tightness degree of the chain can be automatically adjusted through stretching and retracting of the first electric telescopic rod, and the adjusting frame is installed at one end of the fixing frame in a sliding mode. And the chain cannot protrude outwards, so that the risk that the chain falls off during operation is reduced.
Owner:FEICHENG MINING GRP SHANXIAN ENERGY
Chain falling prevention device for intelligent electric bicycle
The utility model discloses a chain falling prevention device for an intelligent electric bicycle, the intelligent electric bicycle is provided with a chain wheel and a chain wound on the chain wheel and used for transmission, and the chain falling prevention device is characterized by comprising a limiting block and an extension sleeve, the triangular locking part is located at the upper end of the chain, the blocking piece part extends downwards from the inner side of the triangular locking part, the blocking piece part is located on the inner side of the chain, and the spacing distance is smaller than the width of the chain; a locking hole is formed in the center of the triangular locking part, and the locking hole is fixed to a frame through a locking bolt; wherein the extension sleeve is installed on the inner side of the locking hole and used for abutting against the frame. The locking bolt is installed through the locking hole of the triangular locking part, the triangular locking part is fixed to the frame tube, the chain is limited in cooperation with the blocking piece part at the bottom, the anti-falling design of the upper end and the side face is formed, the extension sleeve assists in assembly, the structure is simple, and installation is convenient.
Owner:JIANGSU YUECHI INTELLIGENT ELECTRIC VEHICLE CO LTD
Anti-falling combined type chain wheel
The invention relates to the technical field of combined chain wheels, in particular to an anti-falling combined chain wheel which comprises a chain wheel body. A chain is arranged on the outer side of the chain wheel in a sleeving mode, an anti-falling mechanism is arranged on the outer side of the chain wheel and comprises supporting rings, the supporting rings are arranged on the two sides of the chain wheel in a sleeving mode, supporting frames are fixedly connected to the supporting rings, and guide wheels are rotationally connected to the tail ends of the supporting frames. An external guide wheel structure is arranged, a chain is driven by a guide wheel, so that the overlong chain is tightened under the limitation of the guide wheel, the probability that the chain falls off from a chain wheel in the transmission process is reduced, meanwhile, the chain can be conveniently limited by a limiting groove formed in the outer side of the guide wheel structure, and the service life of the chain is prolonged. Therefore, the chain is prevented from falling off from the chain wheel due to the fact that the chain is subjected to transverse force in the transmission process.
Owner:KUNSHAN YOULIWANG METAL TECH CO LTD
Chain hoist manpower replacement auxiliary device and using method
Owner:JINGHAI ELECTRIC POWER SUPPLY COMPANY OF STATE GRID TIANJIN ELECTRIC POWER +2
A saucepan carrying device
The utility model discloses a kind of sauce jar handling devices, it is related to sauce jar handling field, including crossbeam, pull locking mechanism, two arms and two parallel arranged upright posts, the bottom end of the upright post is fixed with base by welding, the bottom of base is fixedly installed with two universal castors;The top of two The upright post is respectively fixed with fixed sleeve and sliding sleeve by welding, fixed sleeve is fixed in the outside of crossbeam by welding, sliding sleeve is sleeved in the outside of crossbeam, and can slide along crossbeam, the utility model is by pushing the upright post of right side, make sliding sleeve slide along crossbeam, adjust the interval of two arms, by tightening two nuts one by one, make four embrace board clamping around sauce jar, to ensure the stability of sauce jar in handling process, by operating manual chain fall, make connecting seat, two long guide sleeves and sauce jar move upwards, make sauce jar separate from ground, to facilitate the device to sauce jar and be handled, greatly reduce the problem of sauce jar breakage, broken in handling process.
Owner:XINCAI COUNTY RUHE RENJIA PICKLES PROCESSING CO LTD
Off-road vehicle sprocket
The utility model relates to off -road motorcycle parts technical field, concretely relates to an off -road vehicle chain wheel, the inner side of chain wheel spoke is fixed with inside fender chain plate, inside fender chain plate is located in the first gap and there is a gap between inside fender chain plate and rear wheel, inside fender chain plate is curved surface ring plate, the inner ring of curved surface ring plate extends and is attached to chain wheel spoke, the outer ring of curved surface ring plate is away from chain wheel gear ring, the upper edge of inside fender chain plate is higher than chain wheel gear ring, there is the second gap between inside fender chain plate and chain, adopt above technical scheme, because inside fender chain plate is fixed on the inner side of chain wheel spoke, utilize the side of chain wheel spoke and chain wheel gear ring and there is the first gap between rear wheel, inside fender chain plate only surrounds chain wheel gear ring and part chain wheel spoke, equivalent to only chain wheel gear ring is kept in the periphery, the original chain wheel hub and the installation mode installation structure do not have any change, and simple installation structure can effectively prevent chain falling technical problem.
Owner:杨波
Electric crankset device and bicycle
According to the electric crankset device and the bicycle, a movable shaft sleeve is arranged on a middle shaft, a crankset is arranged on the shaft sleeve, then an electric control module can control an electric control driving unit to drive the crankset to move along the middle shaft, and finally when a flywheel of the bicycle is subjected to gear change, the crankset is driven to move along the middle shaft. The electric control driving unit can be used for driving the chain wheel to carry out adaptive adjustment along with the gear change of the bicycle, so that the included angle between the chain and the chain wheel is effectively reduced, and the riding efficiency of a bicycle user is improved. In addition, due to the fact that the included angle is decreased, the meshing cut-in range of the chain and the teeth is wider, chain falling caused by returning can be reduced, asymmetric abrasion of the tooth parts is reduced, axial stress of the tooth parts is reduced, tooth deformation can be reduced, and the service life can be prolonged.
Owner:HUNAN SUAO TECH CO LTD