22 results about "Idler-wheel" patented technology

In a belt drive of an internal combustion engine, a two-arm belt tensioner has a fixed tubular supporting portion; a first and a second arm fitted to the tubular supporting portion to rotate about a common hinge axis, and supporting respective idle wheels cooperating with respective branches of the drive belt; and an elastic device for forcing the arms towards each other; the elastic device having a torsionally elastic elongated member extending through the tubular supporting portion, coaxially with the hinge axis, and having respective opposite end portions projecting outwards of the tubular supporting portion; the end portions being fitted with respective end caps, one of which is fitted directly with one of the arms, and houses one end, connected integrally to the other cap, of the other arm.

The invention relates to the technical field of spraying devices, in particular to a self-rotating type bottle body spraying device which is used for solving the problem of surface spraying of bottles for cosmetics and comprises a horizontally-operating traction conveying chain. The self-rotating type bottle body spraying device is characterized in that a vertical shaft is vertically installed on the traction conveying chain, an idler wheel is arranged on the vertical shaft and operates on a guiding groove rail arranged in an operation area, the vertical shaft in the spraying operation area performs self-rotation through a friction driving belt, and the bottle body is assembled at the upper end of the vertical shaft through a bottle clamper. The speed of the traction conveying chain and the friction driving belt is adjusted to optimum spraying operation speed to perform continuous ceaseless operation, the bottle body is stable in operation and convenient to detach, the spraying efficiency is high, and surface quality is stable and even.

The invention discloses an asphalt pavement leveling device. The device comprises a base, four wheels are fixedly mounted at the bottom of the base in a mode that every two wheels are symmetrical, a battery is fixedly mounted at one side of the top surface of the base, a storage bucket is fixed in the center of the top surface of the base, a pressure pump is arranged between the storage bucket andthe battery and mounted on the top surface of the base, and a guide pipe is fixedly connected to a material suction port of the pressure pump. The device has the advantages that through the arrangement of an idler wheel and a square rod, when the device meets a raised road surface, automatic pressing can be achieved to turn on and turn off a switch, and therefore the purpose of automatically damaging the raised road surface is effectively achieved accordingly; meanwhile, through the arrangement of a drum, a collecting box and a dust collector, crushed asphalt granules and debris can be effectively collected, and therefore the cleanliness of road surface construction can be effectively ensured accordingly; moreover, since the device has the functions of crushing, sweeping, filling, leveling and the like and effectively integrates various working processes together, the device can complete the road surface leveling work at one time, and the working efficiency is improved.

The invention discloses a textile frame, which comprises a bottom plate, rollers are installed at the four corners of the bottom surface of the bottom plate, pillars are welded at the four corners of the upper surface of the bottom plate, and a top plate is welded between the top ends of the four pillars, and the top plate Both sides of the upper surface are welded with risers, each riser is equipped with a first positioning bolt, each riser is equipped with a vertical rod, and the top of the vertical rod is welded with a horizontally arranged support rod. A hanging ring is sheathed on the support rod, and a dust collecting bucket is welded at the bottom of the hanging ring. In this textile frame, sleeves are welded on both sides of the top plate, and the cooperation between the sleeve and the pole can be used to move the frame with the rollers, and then the pole can be pulled out, and then the second positioning bolt can be connected to the through hole on the pole. Fixing is carried out, so that the frame can be supported by the pole and the sleeve pipe, so that the frame is relatively stable when in use, and the setting of the support block can support the bottom of the pole.

The invention provides a ladder-climbing wheelchair with an adjustable ladder-climbing mechanism. There is a headrest, the two ends of the backrest are fixedly provided with armrests, one end of the armrest is provided with a controller, and one end of the main body frame is provided with leg knee pads. By setting the climbing track, the climbing track includes a driving wheel drive, a flexible link around the driving wheel, load wheel, induction wheel and supporting wheel, and the tracked wheelchair has the characteristics of strong adaptability, flexibility, and large range of motion. Compared with the planetary wheel mechanism, the wheel mechanism is relatively mature. During the movement, the fluctuation of its center of gravity is very small, and the movement is very stable. Adjustability and versatility.

The invention discloses an effusion treatment device in neurosurgery clinic. The effusion treatment device comprises a main rod body, a circuit box and a negative-pressure sucking pump. The bottom endof the main rod body is fixedly provided with a base, the lower side of the base is provided with four groups of idler wheels, the lower end of the main rod body is provided with an anti-sliding cover through a connecting sleeve, and the upper side of the anti-sliding cover is provided with a handle, and the circuit box is fixedly installed on the side face of the main rod body, the other side ofthe main rod body is fixedly provided with a fixed storehouse, the negative-pressure sucking pump is fixedly installed in the fixed storehouse, the negative-pressure sucking pump is in communicationwith a connecting pipe through an air pipe, and the connecting pipe is fixedly arranged on a fixed plate in an inserting mode, the fixed plate is fixedly installed on the main rod body, the left end and the right end of the lower side of the fixed plate are correspondingly and fixedly provided with expansion rods, and the lower ends of the two groups of telescopic rods are correspondingly and fixedly connected with fixed blocks, the fixed blocks are provided with liquid storage warehouses through bottom plates, and drainage tubes are arranged on the liquid storage warehouse. According to the effusion treatment device, the structure is stable, adjustment is convenient, and meanwhile secondary pollution cannot be caused.

The invention provides a lifting type bedridden patient transfer robot which is characterized in that a rack is of a frame structure, a cross beam is arranged in the rack, and a lifting driving deviceis installed on the cross beam; a driving shaft provided with a driving wheel is supported on the lower surface of the rack, and universal wheels are arranged at the other end of the rack; a chain drive is arranged between an advancing driving device and the driving shaft; a gear engaged with a rack arranged on a lifting frame is arranged on the lifting driving device; idler wheels are arranged on the inner side, close to a vertical plate of the rack, of the lifting frame; a bearing plate is fixed on straight arms of a y-shaped arm I and a y-shaped arm II; the y-shaped arm II is installed onthe lifting frame I, and the y-shaped arm I is hinged to a pin shaft of the lifting frame I through a round hole; the adjusting driving device is hinged to the y-shaped arm II; and one end of an adjusting rod is inserted into a power output hole of the adjusting driving device, and the other end of the adjusting rod is hinged to the y-shaped arm I. Workload and working difficulty of nursing staffcan be reduced, and a patient can be carried conveniently and reliably.

The invention provides a waterproof roll laying and pasting mechanism. The waterproof roll laying and pasting mechanism is simple in structure and low in cost, and the construction efficiency can be effectively improved. According to the technical scheme, the waterproof roll laying and pasting mechanism comprises a machine frame, a roller, a press roller and idler wheels. The machine frame comprises two push rods arranged in parallel. The lower end of each push rod is connected with one idler wheel. A cross beam is arranged between the two push rods. The cross beam is sleeved with the roller. The press roller is arranged below the roller. The two ends of the press roller are connected with pull rods correspondingly. The upper ends of the pull rods are hinged to the cross beam.

The invention discloses a quantitative feeding device for a building decoration material. The device comprises a baseplate, a connection rack, a first motor, a lifting rack, air cylinders and a material barrel. Idler wheels are fixedly arranged at the four corners of the bottom face of the baseplate respectively, the lifting rack is fixedly arranged at the other side of the upper face of the baseplate, and a lead screw is rotatably arranged in the lifting rack through a bearing base; a slide block is in threaded connection with the lead screw, slide rods are fixedly arranged on the portions, of the two sides of the lead screw, of the inner side of the lifting rack respectively and slidingly connected with the slide block, and the two air cylinders are fixedly arranged at the side, away from the first motor, of the slide block; retractable shafts of the air cylinders are fixed to one side of a fixing plate, a horizontal plate is fixedly arranged at the other side of the fixing plate, and the material barrel is rotatably connected with the horizontal plate. Through rotation of the lead screw in the lifting rack, the slide block is driven to ascend and descend, the material barrel atthe other side is driven to ascend and descend accordingly, the feeding process is completed, blocking of the material in the material barrel can be effectively reduced, and the device is efficient and practical.

The invention discloses a laser carrying device for treating an inner wall surface of a pipeline and a laser treating method. The laser carrying device comprises a laser beam splitter, two fixing rods and two sets of moving frame components, wherein the fixing rods are respectively arranged at the two ends of the laser beam splitter; the moving frame components are respectively arranged on the two fixing rods; the moving frame components comprise mounting bases and two sets of guiding frames; the mounting bases are in pivoted connection with the fixing rods; the two sets of guiding frames are respectively arranged on the two sides of the mounting bases; each set of guiding frame is composed of two guiding rods and an elastic component; the guiding rods are crossed with each other and are in pivoted connection with each other through a spindle on a position; the elastic component is arranged between the two guide rods; idler wheels are arranged at the two ends of each guide rod; the guiding frames are in pivoted connection with the mounting bases through the spindles. According to the invention, the moving frame components are additionally arranged at the two ends of the laser beam splitter, so that the laser beam splitter can be firmly and stably positioned, and meanwhile, the laser beam splitter is protected from being in contact with the inner wall of the pipeline. The laser carrying device can be advanced along the extending direction of the pipeline so as to realize the laser treatment for the inner wall surface of the pipeline.

The invention discloses a drying device for automobile accessory production. The drying device comprises a drying room, a grid plate, air heaters, a fan, idler wheels, a motor and a rolling door, wherein the air heaters are arranged at the left end face and the right end face of the drying room, an air outlet is formed in the center of the upper end face of the drying room, and a dust cover is arranged at the upper end of the air outlet. The drying room is sealed in the drying process through the rolling door arranged at an entrance of the drying room, the heat loss is avoided, the drying effect is improved, and the drying efficiency is improved; through arrangement of the grid plate for storing automobile accessories and a coaming below the grid plate, the automobile accessories can be stored in a suspended mode; the fan blows hot air in the drying room towards an inner side cavity of the coaming and towards the automobile accessories through the grid plate to achieve efficient and thorough drying, and the automobile accessory drying efficiency is greatly improved; and by means of the idler wheels and a track which are arranged at the lower end of a bottom plate as well as a motorconnected with the idler wheels, the automobile accessories can be electrically controlled to enter or exit from the drying room, and labor and time are saved.

The invention discloses rinsing equipment used for active carbon production. The rinsing equipment comprises a shell, wherein electric telescopic rods I are arranged on the edge of the lower end faceof the shell; a mounting base is arranged at the lower end of each elastic telescopic rod I; an idler wheel is arranged at the lower end of each mounting base; a guide rod and a lead screw parallel toeach other are arranged at the left end and the right end of the interior of the shell respectively; a movable base plate is arranged on the lead screw; a coupling device I is arranged at the lower end of the shell; and a servo motor is arranged at the lower end of the coupling device I. The rinsing equipment is simple in structure and convenient to use, flexible movement and fixation of the device can be realized, special production requirements of users are met, the design is more humanized, the height of the rinsing equipment can be adjusted, materials are convenient for workers to load and take, the work efficiency of the workers is improved, and then the production efficiency of active carbon is guaranteed; and moreover, the positional conversion of active carbon in a rinsing solution can be realized by adopting various manners, and the rinsing is more thorough.

The invention discloses a neodymium iron boron permanent magnet cart easy to operate. The cart comprises a guide rail and a cart body movably connected to the guide rail. The cart body comprises a square cart bottom plate and a cart framework fixed to the cart bottom plate, wherein a groove is formed in the cart bottom plate, idler wheels are movably connected to the cart bottom plate, and the idler wheels are matched with the guide rail and arranged on the guide rail. The neodymium iron boron permanent magnet cart easy to operate has the advantages of enabling neodymium iron boron permanent magnets to be convenient to take and place and convenient to transport.

The invention discloses a forming machine for a bimetallic strip. A forming mold structure is arranged in a forming guide rail; the forming mold structure comprises an inner mold, a positioning jacking rod is arranged behind the inner mold, and a gap is reserved between the inner mold and the positioning jacking rod; an inner mold pushing rod is arranged in front of the inner mold, a forming stepping motor is arranged in front of the inner mold pushing rod, the positioning jacking rod is connected with a material pressing air cylinder, and the material pressing air cylinder is arranged on theposition, on the upper portion of a machine body, of a rack; two sets of lifting positioning clamps are arranged on the position, at the intersection of the extending line of a second feeding guide rail and a forming guide rail, of the left side and the right side of the forming guide rail correspondingly; a gap is formed between each set of lifting positioning clamps; a head end bending forming mold is arranged on the right side of the lifting positioning clamp on the right side and connected with a shaping air cylinder; and two movable idler wheels are arranged on the position, behind the lifting positioning clamps, of the left side and the right side of the forming guide rail correspondingly. In the process of using the forming machine to bend a material belt, damage to the surface of the material belt and the bent position of the material belt is avoided, the stroke of the mold is easy to control, and the service life is long.

A hybrid transmission (10) for a motor vehicle with an internal combustion engine (VM) and an electric prime mover (EM1) is provided. The hybrid transmission (10) includes a first transmission input shaft (14) for a first sub-transmission, a second transmission input shaft (16) for a second sub-transmission, at least one countershaft (18), multiple gear change devices (A-F) for engaging gear steps (E1, E2, 1, 2, 3, 4), and idler gears and fixed gears arranged in multiple gear set planes for forming the gear steps. A portion of the gear steps are engageable for the internal combustion engine, and a portion of the gear steps are engageable for the electric prime mover. At least one of the gear steps is engageable for the internal combustion engine and for the electric prime mover regardless of the gear step engaged for the particular other machine.

The invention relates to a device for controlling an air inlet valve and an air outlet valve of an internal combustion engine. The device comprises a cam (3) and a push rod mechanism matched with the cam (3), wherein the push rod mechanism comprises an idler wheel (1); and the idler wheel (1) is provided with a conjugate surface in conjugate movement with the cam (3). In the device controlling the air inlet valve and the air outlet valve of the internal combustion engine, the working surface of the cam and the working surface of the idler wheel are mutually conjugate surfaces, so the device can adjust the opening degree of the air inlet valve and the air outlet valve of the internal combustion engine according to the change sum of the distance from the contacting part of the working surfaces of the cam and the idler wheel to the rotary axis of the cam and the idler wheel. Compared with the prior art that the adjustment is realized according to the change of the distance from one point, at different positions, on the working surface of the cam to the rotary axis of the cam, the device has a wider and more flexible adjusting range.

The invention discloses a bidirectional door locked elastically and automatically. The bidirectional door comprises a first door plate (2) and a second door plate (1) and further comprises a moving slide rail (3) and a guiding guard plate (4), a first moving part (7) is mounted on the upper part of the first door plate (2), a first guiding part (6) is mounted on the lower part of the first door plate (2), a second moving part (8) is mounted on the upper part of the second door plate (1), a second guiding part (5) is mounted on the lower part of the second door plate (1), idler wheels (89,75) are mounted on the first moving part (7) and the second moving part (8) in a hinged mode and placed on the moving slide rail (3), and damping parts (9) are mounted on the positions, corresponding to the first moving part (7) and the second moving part (8), of the two ends of the slide rail (3). The bidirectional door has the characteristics that the service life is long, and noise in the use process is low.