CN208577326U - A kind of small freight carrying device - Google Patents

Abstract

The utility model relates to a kind of small freight carrying devices, mainly include overall framework, conveyer, transmission mechanism；Pass through motor, worm type of reduction gearing, common sprocket wheel and One-way chain wheel, chain, realize power transmitting, tote box is pulled to rise, principle of the utility model based on bicycle freewheel, using One-way chain wheel, when driving One-way chain wheel to rotate forward when motor rotates forward, pull hawser, realize the rising of tote box, and when tote box decline, motor reversal but common sprocket wheel and One-way chain wheel, chain do not transmit power, it is only used for limitation speed, roll rotation is pulled by tote box self gravity, hawser loosens from roll at this time, realizes the decline of tote box；By the design of the glass pulley of addition, on the disk for keeping hawser orderly on roll, avoid that cable takeup occurs, the phenomenon that Caton；The various features such as this product has easy to use, saving space, environmentally protective, economic value is high.

Description

A kind of small freight carrying device

Technical field

The utility model and carrying cargo field, and in particular to a kind of small freight carrying device.

Background technique

No matter producing, in life, cargo transport is commonplace, however, being directed to compared with small freight, although volume It is smaller, lighter weight, but it is also difficult to fast removal by manpower when quantity is more, working efficiency is lower；By transporting ladder, The use of elevator, can shorten transportation range, reduce labor intensity, improve working efficiency, however existing small-sized transport Structure is also complex, there is the defects of taking up a large area, and is unable to satisfy the requirement at present to it.

Utility model content

The utility model aim is to provide a kind of small freight carrying device, mainly include overall framework, conveyer, Transmission mechanism, overall framework include main support, lower plate, lower limit baffle, welding angle bar, top plate；Conveyer include tote box, Guide rod, guide rod fixing seat, sliding block, upper hook, lower draw-bar, hawser；Transmission mechanism includes motor fixing frame, motor, worm gear Worm reducer, fixed link, fixed frame, motor sprocket connection frame, common sprocket wheel, chain, bicycle freewheel, roll, coiling Bracing strut, hand pin, support shaft, support shaft holder, linear bearing, glass pulley, fixed pulley, fixed pulley fixed frame, bicycle Flywheel includes that bicycle freewheel housing, bicycle freewheel be very heavy, the very heavy spring of bicycle freewheel, bicycle freewheel fuse；Main support It is made of long angle bar, is welded on lower plate by welding angle bar, lower limit baffle, top plate are welded on main support by welding angle bar On, guide rod is connect with guide rod fixing seat, and guide rod fixing seat is bolted on lower limit baffle, sliding block and guide rod It is slidably connected, sliding block is fixedly connected by bolt with tote box, and lower draw-bar is fixed on tote box, upper hook and lower draw-bar hanging buckle Connection, hawser are connect with upper hook, and the direction of motion of tote box is limited by guide rod, realize tote box by the pulling of hawser Move up and down, carry out the transport of cargo；Limit switches are fixedly mounted on lower limit baffle, top plate, after limit switch is touched Motor shuts down.

Motor is fixed on top plate by motor fixing frame, and motor is connect with worm type of reduction gearing, and worm and gear slows down Device is fixed on fixed frame by fixed link, and fixed frame is bolted on top plate, and worm type of reduction gearing passes through motor Sprocket wheel connection frame is connect with common sprocket wheel, and common sprocket wheel is connect by chain with bicycle freewheel housing, bicycle freewheel housing With the very heavy connection of bicycle freewheel, bicycle freewheel is very heavy to be connect by the very heavy spring of bicycle freewheel with bicycle freewheel fuse, Bicycle freewheel fuse is threadably secured with roll to be connect, and roll is connect by bearing with coiling shaft holder, coiling Shaft holder is bolted on top plate, and hand pin inserts in the pin hole of roll；When motor rotates forward, worm gear snail is driven Bar then drives common sprocket wheel and bicycle freewheel, realizes power transmitting, tote box is pulled to rise, and when tote box decline, electricity Machine inverts but common sprocket wheel and One-way chain wheel, chain do not transmit power, is only used for limitation speed, then is by tote box self gravity Roll is pulled, makes hawser loosen from roll, realizes the decline of tote box；Support shaft is fixed to the support shaft frame connection, Support shaft holder be bolted on top plate, linear bearing and support axis connection, glass pulley by deep groove ball bearing with Linear bearing connection, fixed pulley is fixed on top plate by fixed pulley fixed frame, hawser disk on roll, via glass pulley, The centre bore that fixed pulley passes through top plate is connect with upper hook, by the design of the glass pulley of addition, enables the disk that hawser is orderly On roll, avoid that cable takeup occurs, the phenomenon that Caton；When can guarantee power failure suddenly when hand pin rotates, bottom will be parked in Come in the tote box hand hoisting in end or middle position.

The utility model has the beneficial effects that: the principle based on bicycle freewheel is designed, in conjunction with mechanical device and Electric device provides power by motor, and when motor rotates forward, chain-driving bicycle freewheel housing is rotated forward, at this moment certainly Driving Case of fly-wheel internal tooth with bicycle freewheel is very heavy mutually contains, the driving force of bicycle freewheel housing is very heavy by bicycle freewheel Bicycle freewheel fuse is passed to, bicycle freewheel fuse drives roll to rotate forward, and pulls hawser, realizes the upper of tote box It rises；When motor reversal, chain-driving bicycle freewheel housing is rotated backward, but not is provided for bicycle freewheel fuse dynamic Power, but for limiting speed, it is then to pull roll by self gravity when tote box declines, hawser is made to loosen from roll Get off, realizes the decline of tote box；By the design of the glass pulley of addition, the disk for keeping hawser orderly is kept away on roll Exempt from that cable takeup occurs, the phenomenon that Caton.This product is set to have light and flexible, energy saving, environmentally protective, saving space etc. excellent Point improves the working efficiency of manpower, mitigates the labor intensity of manpower.

Detailed description of the invention

Fig. 1 is small freight carrying device overall schematic；

Fig. 2 is small freight carrying device overall framework schematic diagram；

Fig. 3 is small freight carrying device conveyer schematic diagram；

Fig. 4 is small freight carrying device transmission mechanism schematic diagram；

Fig. 5 is bicycle freewheel structural schematic diagram.

Specific embodiment

Refering to fig. 1, Fig. 2, the utility model and a kind of small freight carrying device mainly include overall framework 1, transveyer Structure 2, transmission mechanism 3, overall framework 1 include main support 101, lower plate 102,103,8 welding angle bar 104 of lower limit baffle, top Plate 105；Main support 101 is made of long angle bar, is welded on lower plate 102 by welding angle bar 104, lower limit baffle 103, top plate 105 are welded on main support 101 by welding angle bar 104.

Refering to fig. 1, Fig. 2 and Fig. 3, conveyer 2 include tote box 201, guide rod 202, guide rod fixing seat 203, slide Block 204, upper hook 205, lower draw-bar 206, hawser 207；Guide rod 202 is connect with guide rod fixing seat 203, guide rod fixing seat 203 are bolted on lower limit baffle 103, and sliding block 204 is slidably connected with guide rod 202, and sliding block 204 passes through bolt and fortune Case 201 is sent to be fixedly connected, lower draw-bar 206 is fixed on tote box 201, and upper hook 205 is connect with 206 hanging buckle of lower draw-bar, hawser 207 connect with upper hook 205.

Refering to fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, transmission mechanism 3 include motor fixing frame 301, motor 302, worm and gear Retarder 303, fixed link 304, fixed frame 305, motor sprocket connection frame 306, common sprocket wheel 307, chain 308, bicycle fly Wheel 309, roll 310, coiling shaft holder 311, hand pin 312, support shaft 313, support shaft holder 314, linear bearing 315, glass pulley 316, fixed pulley 317, fixed pulley fixed frame 318；Motor 302 is fixed on top plate 105 by motor fixing frame 301 On, motor 302 is connect with worm type of reduction gearing 303, and worm type of reduction gearing 303 is fixed on fixed frame by fixed link 304 On 305, fixed frame 305 is bolted on upper plate 105, and worm type of reduction gearing 303 passes through motor sprocket connection frame 306 connect with common sprocket wheel 307, and common sprocket wheel 307 is connect by chain 308 with bicycle freewheel housing 309a, and bicycle flies Wheel housing 309a is connect with the very heavy 309b of bicycle freewheel, and the very heavy 309b of bicycle freewheel passes through the very heavy spring 309c of bicycle freewheel It is connect with bicycle freewheel fuse 309d, bicycle freewheel fuse 309d is threadably secured with roll 310 and connect, roll 310 are connect by bearing with coiling shaft holder 311, and coiling shaft holder 311 is bolted on top plate 105, hand Pin 312 inserts in the pin hole of roll 310, and support shaft 313 is fixed to the support shaft the connection of frame 314, and support shaft holder 314 passes through Bolt is fixed on top plate 105, and linear bearing 315 is connect with support shaft 313, and glass pulley 316 passes through deep groove ball bearing and straight line Bearing 315 connects, and fixed pulley 317 is fixed on top plate 105 by fixed pulley fixed frame 318, and 207 disk of hawser is in roll 310 On, it is connect via the centre bore that glass pulley 316, fixed pulley 317 pass through top plate 105 with upper hook 205.

When it is implemented, small freight carrying device is in propradation: starting motor 302 makes its rotating forward, motor 302 Worm type of reduction gearing 303 is driven to realize that reduction of speed, worm type of reduction gearing 303 drive common sprocket wheel 307 to rotate, common sprocket wheel 307 by chain 308 drive bicycle freewheel housing 309a rotate forward, at this moment the internal tooth of bicycle freewheel housing 309a and from Driving flywheel jack 309b phase contains, and the driving force of bicycle freewheel housing 309a is passed to voluntarily by the very heavy 309b of bicycle freewheel Vehicle flywheel fuse 309d, bicycle freewheel fuse 309d drive roll 310 rotates forward, and makes 207 disk of hawser in roll 310 On, tote box 201 is moved up with sliding block 204 along guide rod 202, realizes the rising of tote box.

Small freight carrying device is when declining state: starting motor 302, makes its reversion, and motor 302 drives worm and gear Retarder 303 realizes that reduction of speed, worm type of reduction gearing 303 drive common sprocket wheel 307 to rotate, and common sprocket wheel 307 passes through chain 308 Drive bicycle freewheel housing 309a to rotate backward, but not provide power for bicycle freewheel fuse 309d, not will drive around Spool 310 rotates, and is only intended to limitation speed, and tote box 201 then pulls roll 310 to rotate by self gravity, makes cable Rope loosens from roll 310, makes 207 disk of hawser on roll 310, tote box 201 is as sliding block 204 is along guide rod 202 move down, and realize the decline of tote box；Limit switches, limit switch is fixedly mounted on lower limit baffle 103, top plate 105 Motor shuts down after touched.

Small freight carrying device is in off-position: when unexpected power-off, motor 302 stops operating, chain and voluntarily Vehicle Case of fly-wheel 309a does not rotate, and tote box 201 may be parked in bottom end or centre, can be rotated by hand pin 312, band Dynamic bicycle freewheel fuse 309d is rotated forward, and at this moment the internal tooth with bicycle freewheel housing 309a produces relative sliding, thus Bicycle freewheel fuse 309d is compressed in the notch of bicycle freewheel fuse 309d, the very heavy 309b of bicycle freewheel compresses again Bicycle freewheel very heavy spring 309c.When the very heavy 309b tooth top of bicycle freewheel slides into the interior tooth top of bicycle freewheel housing 309a When end, the very heavy spring 309c of bicycle freewheel is compressed at most, then slightly towards more advancing slip, the very heavy 309b of bicycle freewheel by from Driving flywheel jack spring 309c is bound on tooth root, issues the sound of " clatter clatter ".Hand pin 312 rotates faster, bicycle freewheel core Sub- 309d rotation is accelerated, very heavy also to slide on the internal tooth of each bicycle freewheel housing 309a quickly, issues the sound of " clatter clatter " Sound, bicycle freewheel fuse 309d drive roll 310 to rotate forward, make 207 disk of hawser on roll 310, tote box 201 As sliding block 204 is moved up along guide rod 202, the rising of tote box 201 is realized.

Claims (4)

1. a kind of small freight carrying device, it is characterised in that: mainly include overall framework (1), conveyer (2), driver Structure (3), overall framework (1) include main support (101), lower plate (102), lower limit baffle (103), welding angle bar (104), top plate (105)；Conveyer (2) includes tote box (201), guide rod (202), guide rod fixing seat (203), sliding block (204), upper extension Hook (205), lower draw-bar (206), hawser (207)；Transmission mechanism (3) includes motor fixing frame (301), motor (302), worm gear snail Bar retarder (303), fixed link (304), fixed frame (305), motor sprocket connection frame (306), common sprocket wheel (307), chain (308), bicycle freewheel (309), roll (310), coiling shaft holder (311), hand pin (312), support shaft (313), Shaft holder (314), linear bearing (315), glass pulley (316), fixed pulley (317), fixed pulley fixed frame (318) are supported, from Driving flywheel (309) includes bicycle freewheel housing (309a), bicycle freewheel very heavy (309b), the very heavy spring of bicycle freewheel (309c), bicycle freewheel fuse (309d)；Main support (101) is made of long angle bar, is welded on down by welding angle bar (104) On bottom plate (102), lower limit baffle (103), top plate (105) are welded on main support (101) by welding angle bar (104)；Guiding Bar (202) is connect with guide rod fixing seat (203), and guide rod fixing seat (203) is bolted on lower limit baffle (103) On, sliding block (204) is slidably connected with guide rod (202), and sliding block (204) is fixedly connected by bolt with tote box (201), lower extension Hook (206) is fixed on tote box (201), and upper hook (205) is connect with lower draw-bar (206) hanging buckle, hawser (207) and upper hook (205) it connects.

2. a kind of small freight carrying device according to claim 1, it is characterised in that: motor (302) is fixed by motor Frame (301) is fixed on top plate (105), and motor (302) is connect with worm type of reduction gearing (303), worm type of reduction gearing (303) it being fixed on fixed frame (305) by fixed link (304), fixed frame (305) is bolted on top plate (105), Worm type of reduction gearing (303) is connect by motor sprocket connection frame (306) with common sprocket wheel (307), and common sprocket wheel (307) is logical It crosses chain (308) to connect with bicycle freewheel housing (309a), bicycle freewheel housing (309a) and bicycle freewheel are very heavy (309b) connection, bicycle freewheel very heavy (309b) pass through the very heavy spring of bicycle freewheel (309c) and bicycle freewheel fuse (309d) connection, bicycle freewheel fuse (309d) are threadably secured with roll (310) and connect, and roll (310) passes through Bearing is connect with coiling shaft holder (311), and coiling shaft holder (311) is bolted on top plate (105), hand pin (312) it inserts in the pin hole of roll (310), support shaft (313) is fixed to the support shaft frame (314) connection, supports shaft holder (314) it is bolted on top plate (105), linear bearing (315) is connect with support shaft (313), and glass pulley (316) passes through Deep groove ball bearing is connect with linear bearing (315), and fixed pulley (317) is fixed on top plate (105) by fixed pulley fixed frame (318) On, hawser (207) disk passes through the center of top plate (105) via glass pulley (316), fixed pulley (317) on roll (310) Hole is connect with upper hook (205).

3. a kind of small freight carrying device according to claim 1, it is characterised in that: bicycle freewheel fuse (309d) band Dynamic roll (310) rotate forward, and make hawser (207) disk on roll (310), tote box (201) is with sliding block (204) edge Guide rod (202) move up, realize tote box (201) rising.

4. a kind of small freight carrying device according to claim 1, it is characterised in that: lower limit baffle (103), top plate (105) limit switches are fixedly mounted on, motor shuts down after limit switch is touched.