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16results about How to "Realize automatic tensioning" patented technology
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Double-roller spiral tensioning device
PendingCN119590780ARealize automatic tensioningImplementation driveConveyorsStructural engineeringBelt conveyor
The invention discloses a double-drum spiral tensioning device, which relates to the technical field of belt conveyors and comprises a rack, a support roller, a support rod, a support seat, a connecting seat, a screw rod sleeve and a driving box. Supporting rollers are arranged at the two ends of the interior of a rack, connecting bases are arranged on one sides of the two supporting rollers, lead screw sleeves are arranged on one sides of the connecting bases, adjusting lead screws are arranged in the lead screw sleeves, transmission rods are arranged at one ends of the adjusting lead screws, and the transmission rods are connected with driving rods through worm wheels and worms; the driving rod can be rotated to drive the transmission rod to rotate, so that the two supporting rollers are driven to move at the same time to achieve the effect of adjusting the rollers of the two supporting rollers at the same time, the driving box is arranged below the rack, the movable roller and the driving roller are arranged in the driving box, and the movable roller and the driving roller can drive the belt. Therefore, the two supporting rollers at the two ends of the machine frame are synchronously adjusted, and meanwhile normal operation of the belt is not affected.
Owner:JIAOZUO CREATION HEAVY IND CO LTD
A membrane structure prestressed graded tensioning device
This utility model relates to the field of building construction and discloses a prestressed graded tensioning device for membrane structures. It includes a main rod, with a tensioning mechanism installed on the upper part of the main rod. The tensioning mechanism includes a fixing component, which includes a vertical plate. Two sliding grooves are formed on the front side of the vertical plate, and two clamping plates are also provided on the front side of the vertical plate. Sliding blocks are fixedly connected to the rear sides of both clamping plates, and the sliding blocks are slidably connected to the clamping plates. An electric telescopic rod is fixedly connected to the rear side of the vertical plate, with its output end penetrating through and movably connected to the vertical plate. A connecting block is fixedly connected to the front side of the output end of the electric telescopic rod. In this utility model, by setting up the cooperation between the fixing component and the moving component, the device can achieve both fixing and automatic tensioning during membrane structure installation, making operation more convenient and faster, saving manpower, and making it more practical.
Owner:CHINA CONSTR FIRST GRP SOUTHCHINA CORP CO LTD GUANGDONG PROVINCE +1
Automatic ribbon tension adjustment device for printers
ActiveCN224276668URealize automatic tensioningImprove printing qualityInking apparatusComputer printingStructural engineering
Owner:SHANGHAI XIHONG MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
Automatic chain tensioning device
The present invention discloses an automatic chain tensioning device, comprising a chain arranged on a cigarette making machine and a sprocket for driving the chain to operate, a swinging member for tightening the chain arranged on the cigarette making machine, and a tensioning device arranged on the cigarette making machine for controlling the rotation of the swinging member, the tensioning device comprising a servo motor and a reducer arranged on the servo motor, the output end of the reducer is connected to a bridge gear and the bridge gear is meshed with a circular arc gear, the circular arc gear is connected to the swinging member, and the tensioning device is connected to a control panel. The beneficial effect of the present invention is that an induction switch is arranged on the chain, and when the chain is not in a tensioned state, the induction switch transmits information to the control panel, and the tensioning device is controlled by the control panel to drive the swinging member to tighten the chain, thereby realizing an automatic tensioning effect.
Owner:SHANGHAI QINCHANG RIBBON FACTORY
An airtightness testing device for packaging materials
ActiveCN224707640UUniform tensile forceRealize automatic tensioning
This utility model relates to an airtightness testing device for packaging materials, which includes a fixed frame, an upper housing, a lower housing, an upper cavity, a lower cavity, and a lifting assembly. The upper housing is connected above the lower housing through the fixed frame, and the lower cavity is fixed on the lower housing. The lifting assembly is disposed on the upper housing and drives the upper cavity to move linearly in the vertical direction. The upper cavity includes a first detection plate, a first detection chamber, an inflation tube, an annular elastic airbag, a connecting flange, and a connecting pipe. The lower cavity includes a second detection plate and a second detection chamber. The lifting assembly drives the upper cavity to descend. When the first and second detection plates are in contact, the annular elastic airbag is precisely embedded in the annular groove of the second detection plate. During the expansion of the airbag, it expands outward along the inclined surface of the annular groove. The radial force generated by the expansion of the airbag acts on the edge of the film. Combined with the guiding effect of the inclined surface, the film is subjected to a uniform tensile force in the horizontal direction, achieving automatic tensioning and simultaneously providing a sealing effect.
Owner:WUXI TONGCHENG PACKAGING PROD CO LTD
Automatic tensioning mechanism for yarn production
ActiveCN222498206URealize automatic tensioningGuaranteed stabilityFilament handlingYarnStructural engineering
The utility model discloses an automatic tensioning mechanism for yarn production, which comprises a bottom plate, the upper part of the bottom plate is provided with a first fixing frame and a second fixing frame, the inner side of the first fixing frame is provided with two groups of guide rollers, and the guide rollers are rotatably connected with the first fixing frame; a transverse moving mechanism is arranged on the inner side of the second fixing frame, a sliding block is arranged on the surface of the transverse moving mechanism, and a tensioning mechanism is arranged on the upper portion of the sliding block. The thread wheel is arranged on the surface of the rotating shaft, the thread groove is formed in the thread wheel, the yarn body is arranged on the inner sides of the guide rollers and the tensioning mechanism, the guide roller at the bottom of the yarn body penetrates into and winds the guide roller at the upper portion, the yarn body is connected with the thread wheel, and automatic tensioning is achieved through cooperation of the telescopic column and the spring column. And meanwhile, the tensioning mechanism can be moved through the transverse moving mechanism, so that the conveying direction is increased, and the use convenience is improved.
Owner:RUIZONG (SHANGHAI) TEXTILE TECH CO LTD
Bunching mechanism of weak current well line
ActiveCN222508624Umaintain tightnessavoid entanglementElectrical apparatusFibre mechanical structuresElectric machineGear wheel
The utility model discloses a wire bunching mechanism of a weak current well line, and relates to the technical field of weak current wells. The device comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a guide plate; a wire bunching assembly is arranged at the top of the guide plate and comprises a supporting plate, the supporting plate is slidably connected to the top of the guide plate, vertical plates are fixedly connected to the two sides of the top of the supporting plate, an air cylinder is fixedly connected to the top of one side of each vertical plate, and a wire bunching piece is arranged on one side of each vertical plate. The threaded rod can rotate through operation of the motor, then the threaded sleeve is driven to move, the supporting plate is driven to move, so that a cable keeps a certain tightness, winding and other problems are prevented, the first toothed plate can be driven to move through pushing of the air cylinder, then the second toothed plate is driven to move through the gear, and the cable is fixed. Therefore, the first clamping plate and the second clamping plate move, and the purpose of clamping a plurality of cables at the same time is achieved.
Owner:INNER MONGOLIA COAL GEOLOGICAL EXPLORATION (GRP) 109 CO LTD
A latex glove production line chain positioning device
ActiveCN224393673UImprove stabilityRealize automatic tensioningConveyorsLatex gloveControl engineering
The application relates to the technical field of latex glove production, and discloses a chain positioning device for a latex glove production line, which comprises limiting groups, multiple groups of which are arranged at intervals along the extension direction of a chain, each group of the limiting groups comprises two limiting seats connected to opposite sides of the chain respectively, and baffles are arranged at two positions, the two baffles are connected to opposite ends of a chain wheel respectively, and a limiting space is formed between the two baffles; when the chain passes through the chain wheel, the side of the limiting seat close to the chain wheel is located in the limiting space, so that the chain is prevented from moving axially and disengaging from the chain wheel. The application can improve the stability of chain transmission.
Owner:FUJIAN YUANXIN SAFETY PROTECTION TECH CO LTD
High-safety child safety seat with automatic safety belt tensioning function
The utility model discloses a high-safety child safety seat with an automatic safety belt tensioning function, relates to the technical field of child safety seats, and aims to solve the problems that an existing adjustable safety belt is manually controlled to be tensioned and needs to be used together with a snap fastener, but cannot be effectively fixed, time and labor are wasted, and operation is inconvenient. According to the technical scheme, the safety seat is characterized by comprising a seat body, an adjustable safety belt is arranged in the seat body, a shell is arranged on the outer side of the adjustable safety belt, a groove is reserved in the outer side of the shell, supporting blocks are fixedly connected to one side in the shell, a rotating shaft is installed between the supporting blocks, and the rotating shaft is fixedly connected with the shell. A motor is fixedly connected to the outer side of the supporting block, a switch is fixedly connected to the outer side of the shell, a controller is fixedly connected to the other side of the interior of the shell, and a detachable storage battery is installed on one face of the outer side of the shell. And the effect of convenient use is achieved.
Owner:SHANGHAI LUTULE TECH
A pipe stranding machine for processing crosslinked polyethylene cloth wire
PendingCN122158269AFast clampingImplement automatic lockingCable/conductor manufactureElectric machineControl engineering
The application discloses a pipe stranding machine for cross-linked polyethylene cloth electric wire processing and relates to the technical field of pipe stranding machines.The pipe stranding machine comprises a bottom plate, a vertical plate fixed to the upper end face of the bottom plate, a limiting seat fixed to the bottom plate, a motor fixed to the limiting seat, and a stranding cage body connected with the limiting seat.The positioning mechanism drives the limiting seat to move through a first air cylinder, the distance between the two limiting seats can be quickly adjusted, the pay-off reel can be quickly clamped and fixed, manual accurate calibration is not needed, the operation process is greatly simplified, the installation time is shortened, and simultaneously, the limiting seat moves in the process, synchronously driving the sliding rod, the cylinder and the clamping block to move, the clamping block is matched with the clamping toothed plate in the stranding cage body through the elastic force of the first spring, the stranding cage body is automatically locked, the safety hidden danger caused by the misstart of the stranding cage body during the installation of the pay-off reel is effectively avoided, and the safety of the equipment use is remarkably improved.
Owner:HUBEI HENGTAI WIRE & CABLE
Wind protection device for a hoisting machine
ActiveCN115594088BRealize automatic tensioningEffectively absorb instantaneous external force impact
The application relates to a windproof device of a hoisting machine, which comprises a connecting module and a hydraulic module for reducing wind force, the hydraulic module is connected with the hoisting machine and the ground through the connecting module, the hydraulic module comprises a hydraulic cylinder and an accumulator, an oil tank and a first stop valve are connected with the hydraulic cylinder, the hydraulic cylinder, the first stop valve and the accumulator are sequentially connected, the connecting module comprises a first connecting block, a second connecting block, a ground connecting block and a door leg connecting block, the first connecting block and the second connecting block are connected with the hydraulic cylinder respectively, the ground connecting block is connected with the first connecting block, and the door leg connecting block is connected with the second connecting block. Compared with the prior art, the reliability of the windproof device is greatly improved.
Owner:SHANGHAI SPECIAL EQUIPMENT SUPERVISION & INSPECTION TECHNOLOGY RESEARCH INSTITUTE CO LTD
Swivel spindle and consumable placement device
ActiveCN224617016UImplement rotation functionRealize automatic tensioning
This utility model discloses a rotating shaft and a filament placement device, relating to the field of 3D printing technology. The rotating shaft includes a fixed component, a rotating component, and an elastic component. At least a portion of the rotating component is sleeved within the fixed component, and the rotating component is rotatable relative to the fixed component. The elastic component is disposed between the fixed component and the rotating component, with one end connected to the rotating component and the other end abutting against the fixed component. When the rotating component rotates relative to the fixed component, it drives the elastic component to move, causing the elastic component to deform. The technical solution provided by this utility model aims to enable the rotating shaft to rotate automatically, so that the returned filament can be wound onto the material tray, and the filament can maintain tension.
Owner:SHENZHEN CREALITY 3D TECH CO LTD
Lifting system for barrel with gradually-changed thickness
The invention discloses a lifting system for a barrel with gradually-changed thickness, relates to the technical field of hoisting, and is used for solving the problems that the gravity center position of a cantilever of a crane cannot be adjusted, and the crane is inclined or shaken due to gravity center shift in the lifting process in the prior art. The lifting device comprises a support, a cantilever and a lifting frame, the cantilever is arranged on the support, the lifting frame is arranged at the end of the cantilever, the lifting frame is used for being connected with a cylindrical component, and the cylindrical component is lifted through the cantilever. The cross arm slides in the sliding sleeve, so that the horizontal positions of the hanging bracket, the cylindrical parts and the balancing weights relative to the support can be changed, the gravity center position of the whole system is adjusted, the gravity center positions of the hanging bracket and the cylindrical parts of different specifications are balanced with the balancing weights, and inclination or shaking caused by gravity center shifting in the lifting process is reduced.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Tensioning structure of rewinding machine
ActiveCN222592950URealize automatic tensioningImprove rewinding qualityElectric machineryStructural engineering
The utility model relates to a rewinding machine tensioning structure, and relates to the technical field of rewinding machines, the rewinding machine tensioning structure comprises a support, a rewinding roller and a feeding roller are rotatably installed on the support, a motor is fixedly installed on the support, and the output end of the motor is coaxially and fixedly connected with the rewinding roller; a tensioning mechanism is arranged on the bracket; the tensioning mechanism comprises a rotating disc which is embedded and rotatably installed on the support. The first tensioning rod is eccentrically connected to the end face of the rotating disc; the second tensioning rod is eccentrically connected to the end face of the rotating disc, and the first tensioning rod and the second tensioning rod are symmetrically arranged about the axis of the rotating disc; the transmission assembly is connected with the rotating disc, and the transmission assembly is used for driving the rotating disc to rotate; and the control assembly is connected with the transmission assembly, and the control assembly is used for controlling start and stop of the transmission assembly. The rewinding device has the effect of improving the rewinding quality of the materials.
Owner:SHANXI FOREIGN TRADE PINGYAO COUNTY PACKING & PRINTING (GRP) PAPER MFG CO LT
Broken wire take-up device
PendingCN119610431ARealize automatic tensioningNo safety hazardFine working devicesClassical mechanicsStructural engineering
The invention discloses a broken wire take-up device. The broken wire take-up device comprises a supporting rod; the sliding assembly is arranged on the supporting rod, and the sliding assembly comprises a sliding rail and a sliding block; the tensioning assembly is used for tensioning the broken wire and comprises a first tensioning unit and a second tensioning unit, the first tensioning unit is arranged at the head end of the sliding rail, the second tensioning unit is arranged on the sliding block, and the broken wire is wound on the first tensioning unit and the second tensioning unit; and the load assembly is used for providing pulling force for the sliding block, and the sliding block drives the second tensioning unit to move towards the tail end of the sliding rail along the track of the sliding rail under the action of the load assembly, so that the first tensioning unit and the second tensioning unit are matched to tension the broken wire. The broken wire can be automatically tensioned, manual intervention of operators is not needed, potential safety hazards do not exist in operation, the wire take-up operation difficulty is low, the broken wire take-up tension is stable and adjustable, wire net tension fluctuation is reduced, and the situation of secondary wire breakage or poor color difference of the surface of a cut silicon wafer is avoided.
Owner:GCL POLY ENERGY HLDG
Tensioning device, transmission module and three-dimensional printing equipment
ActiveCN222309834Umoderate tensionRealize automatic tensioningManufacturing driving meansGearingTransmission beltStructural engineering
Owner:SHENZHEN ANYCUBIC TECH CO LTD