Summary of the invention
The purpose of this utility model provides and a kind ofly can overcome that above-mentioned defective, bearing capacity are strong, easy to operate, the greenhouse curtain rolling machine of long service life.
Comprise motor frame, motor, worm-and-wheel gear, gear drive, coupling mechanism and spool, it is characterized in that: motor is fixedly mounted on the motor frame, be in transmission connection with worm-and-wheel gear, the output of worm-and-wheel gear and the input of gear drive are fixedly connected, and the output of gear drive is fixedly connected through coupling mechanism and curtain rolling shaft.
Described greenhouse curtain rolling machine, gear drive comprises the gear-box that is fixed on the motor frame, be installed in three rooted tooth wheel shafts in the gear-box, breast wheel and follower, wherein an end of the first rooted tooth wheel shaft is fixedly connected through the output of flat key and worm-and-wheel gear, its other end is set with bearing, and fix with end cap seal, this gear shaft and breast wheel are in transmission connection, breast wheel is fixedly connected through the flat key and the second rooted tooth wheel shaft, two rooted tooth wheel shafts and follower are in transmission connection, follower through flat key be fixedly connected as the 3rd rooted tooth wheel shaft of output shaft, the 3rd rooted tooth wheel beam warp coupling mechanism and curtain rolling shaft are fixedly connected, and transmit the power of worm-and-wheel gear output.
Described greenhouse curtain rolling machine, the two ends of the second rooted tooth wheel shaft all are set with copper sheathing, and respectively with end cap, middle shaft-cup sealing and fixing.
Described greenhouse curtain rolling machine is characterized in that: the two ends of the 3rd rooted tooth wheel shaft all are set with copper sheathing, and respectively with the logical sealing and fixing of covering.
Described greenhouse curtain rolling machine, worm-and-wheel gear comprises worm gear case, be arranged on worm gear, the worm screw in the worm gear case and be encapsulated in the end cap of worm gear case end, wherein worm gear case and gear-box are fixedly connected, its connection place is provided with sealing ring, worm screw is rotated by motor-driven, and then driving the worm gear rotation, the first rooted tooth wheel shaft of worm gear in flat key and gear-box is fixedly connected, and outputs power to gear drive.
Described greenhouse curtain rolling machine, coupling mechanism comprise flange and shaft joint, and wherein shaft joint is fixedly set in the 3rd rooted tooth wheel shaft two ends as output shaft, and flange and shaft joint are fixedly connected, and are fixed with curtain rolling shaft on the flange.
Described greenhouse curtain rolling machine, motor frame are provided with tube connector and are fixedly connected with the connecting rod of hanging the roller shutter machine.
Its operation principle is: the driving pulley of motor drives the passive belt wheel rotation on the worm screw, the rotation of the worm gear drives first rooted tooth wheel shaft, the first rooted tooth wheel shaft drives the breast wheel rotation, breast wheel drives the rotation of the second rooted tooth wheel shaft, the second rooted tooth wheel shaft drives the 3rd rooted tooth wheel shaft rotation as output shaft, shaft joint is equipped with at the two ends of the 3rd rooted tooth wheel shaft, is furnished with flange on the shaft joint, is fixed with curtain rolling shaft on the flange.Behind the electrical power, the roller shutter machine travels in booth surface, the link supports lower edge average rate of hanging the roller shutter machine, drives curtain rolling shaft simultaneously and rotates, and realizes the purpose of volume, strqw cover.
The utility model compared with prior art, advantage is: 1, motor, belt wheel are adopted in first order transmission, and buffering and overload protective function are arranged; 2, worm and gear is adopted in second level transmission, and speed ratio is big, and self-locking performance is strong, and running is steady, the stop and start arbitrarily of roller shutter position; 3, adopt gear drive, bearing capacity is big, the transmission efficiency height; 4, worm gear case, gear-box split design, sealing property is strong, and worm gear is immersed in the oil in 360 degree rotating ranges, obtains good lubrication, has prolonged service life.
Embodiment
1 main pulley, 2 motors, 3 motor framves, 4 bearings, 5,8,14 gear shafts, 6,10,23 end caps, 7,11,13,26 flat keys, 9,18 copper sheathings, 12 flange 15 are logical cover surperficial 39 ground of shaft-cup 22 breast wheels, 24 worm gear 25 curtain rolling shafts, 27 sealing ring 28 worm screws, 29 worm gear case 30 tube connectors, 31 roller shutter machine 32 connecting rod bases, 33,35 active pin 34,36 connecting rods 37 straw screen or mat 38 booths in 16 gear-boxes, 17 followers, 19 oil sealings, 20 shaft joints 21
Motor 2, gear-box 16, tube connector 30 all are fixedly mounted on the motor frame 3, and worm gear case 29 is fixedly connected with gear-box 16, and its connection place is provided with sealing ring 27.The main pulley 1 of motor 2 rotates through the passive belt wheel that driving-belt drives on the worm screw 28, and then driving worm screw 28 rotations, first rooted tooth wheel shaft 5 one ends of worm gear 24 in flat key 26 and gear-box 16 are fixedly connected, gear shaft 5 is in transmission connection with breast wheel 22, breast wheel 22 is fixedly connected through the flat key 7 and the second rooted tooth wheel shaft 8, gear shaft 8 is in transmission connection with follower 17, follower 17 is fixedly connected through flat key 11 and the 3rd rooted tooth wheel shaft 14 as output shaft, transmit layer by layer, give gear shaft 14 with the transmission of power of motor 2, gear shaft 14 is fixedly connected through flat key 13 and shaft joint 20, is furnished with flange 12 on the shaft joint 20, and flange 12 is fixedly connected with curtain rolling shaft 25.The other end of gear shaft 5 is set with bearing 4, and with end cap 6 sealing and fixing, the two ends of gear shaft 8 all are set with copper sheathing 9, and respectively with end cap 10, middle shaft-cup 21 sealing and fixing, the two ends of gear shaft 14 all are set with copper sheathing 18, and respectively with logical 15 sealing and fixing of covering.
Like this, connecting rod base 32 fixes on the ground, and channels and activating collaterals pin 33 and 34 movable connections of connecting rod, an end channels and activating collaterals pin 35 of connecting rod 36 and 34 movable connections of connecting rod, and the other end is through becoming one with tube connector 30 thread connection and roller shutter machine 31.After motor 2 energisings, the roller shutter machine supports booth surface, lower edge average rate at the connecting rod 34,46 of hanging the roller shutter machine and travels, and connecting rod 34,46 changes with the driving trace of roller shutter machine 31, drives curtain rolling shaft 25 by motor 2 simultaneously and rotates, realize the purpose of volume, strqw cover, its amplitude can freely be controlled.Configurable crank on the passive belt wheel can carry out manual operation when having a power failure.