CN201209242Y - Front broom clutching and driving device for refuse cleaning vehicle - Google Patents

Abstract

The utility model relates to a front broom drive clutch of a garbage sweeper, which comprises a wheel shaft, a big chain wheel, a chain wheel seat, a clutch, a first clutch block, a second clutch block, chains, a drive shaft, a small chain wheel, an operating handle, a handle seat and a transmission fork, wherein the wheel shaft is fixed on one side of a garbage bin of the sweeper, the big chain wheel is fixed on the chain wheel seat which is arranged on the wheel shaft, the clutch is fixedly arranged on one side of the chain wheel seat, the outer circumferential wall body of the clutch is provided with a transmission fork groove, the first clutch block is arranged on the end surface outside the clutch, the second clutch block is arranged in a wheel hub seat of a front wheel of the sweeper, both ends of the drive shaft are arranged on one side of the garbage bin, the small chain wheel is arranged on one end of the drive shaft, the chains are sheathed on the big chain wheel and the small chain wheel, the middle of the operating handle is arranged on the handle seat which is fixed on a chain cover, a handle groove is arranged on the chain cover, and the transmission fork is arranged on the lower end of the operating handle and is matched with the transmission fork groove which is arranged on the clutch. The utility model has the advantages of firm locking, simple structure, convenient operation and long service life.

Description

The front broom transmission clutch of refuse cleaning vehicle

Technical field

The utility model relates to a kind of front broom transmission clutch of refuse cleaning vehicle, is the improvement to the front broom transmission clutch of conventional garbage road-sweeper.

Background technology

The front broom transmission clutch of existing refuse cleaning vehicle, its structure is disclosed by Chinese utility model patent notice of authorization CN2484349Y, the slip cap operating mechanism that the slip cap that it comprises wheel shaft, be located at steady pin on the wheel shaft, be set on the wheel shaft and cooperate with steady pin by helicla flute and are made of location-plate, handle, pull bar, be arranged at chain pulley seat on the slip cap, with the fixing sprocket wheel of chain pulley seat, chain and a pair of hub seat that is located at sprocket wheel and road-sweeper front-wheel respectively on clutch block.Work as gripping handle, and handle is upwards draged move, then by pull bar pulling slip cap, by the helicla flute on the slip cap is support motion with the steady pin on the wheel shaft just, thereby slip cap is rotated to an angle to clockwise direction, in rotary course, be moved to the left, thereby drive the chain pulley seat be provided with on it to left dislocation, so that clutch block on the sprocket wheel and the clutch block interlock on the hub seat, otherwise clutch block and the clutch block on the hub seat on the sprocket wheel are thrown off.One of problem that said structure exists, realize the interlock or the disengagement of a pair of clutch block by rotatablely moving of slip cap, it is not firm lock, easily disengaging; Two, complex structure, the cost height; Three, after multi-pass operation, easily wearing and tearing, application life is short.

Summary of the invention

The purpose of this utility model is that a kind of front broom transmission clutch that locks firm, simple in structure, long service life, low cost of manufacture, easy to operate refuse cleaning vehicle will be provided.

The purpose of this utility model reaches like this, a kind of front broom transmission clutch of refuse cleaning vehicle, it comprises wheel shaft, hinge wheel, chain pulley seat, clutch, first clutch block, second clutch block, chain, power transmission shaft, minor sprocket, operating grip, handle set, and shift fork, wheel shaft is fixed on a side of road-sweeper dustbin and is positioned at chain guard, hinge wheel is fixed on the chain pulley seat, chain pulley seat places on the wheel shaft, clutch is installed in a side of chain pulley seat, on the excircle wall body of clutch, offer fork slot, first clutch block is located on the end face in the clutch outside, second clutch block is located in the hub seat of road-sweeper front-wheel, power transmission shaft two ends place a side of dustbin, minor sprocket is located at an end of power transmission shaft, chain is nested with greatly, on the minor sprocket, the middle part of operating grip is arranged on the handle set rotationally, handle set is fixed on the chain guard, on chain guard, offer be used for cooperating with operating grip and make the operating grip handle groove of move left and right within it, shift fork be arranged on operating grip the end, lower end and with clutch on the fork slot scarf.

The described operating grip of the utility model is provided with the one handle positioner, this handle positioner comprises location key seat, alignment pin, spring, spring cup, the centre of location key seat is a through hole, be disposed with spring cup, spring, alignment pin in the through hole from top to bottom, alignment pin is pressed on the opening part of through hole bottom by the elastic force effect of spring.

The described chain guard of the utility model is provided with and is used for cooperating with alignment pin and operating grip is played the locating hole of locking action.

The utility model becomes the interlock or the disengagement action that is directly realized a pair of clutch block by the move left and right of operating grip that rotate to be of former cause slip cap, and it is firm not only to lock, and simple in structure, easy to operate, and cost of manufacture is low; Simultaneously, after repeatable operation repeatedly, all do not have the wearing and tearing of appearance, thereby can prolong the application life of transmission clutch.

Description of drawings

Accompanying drawing is that the utility model is installed on the example structure figure on the dustbin of road-sweeper.

The specific embodiment

By the description of applicant, will help to understand the utility model more, and good effect of the present utility model is embodied more, but embodiment should not be considered as the restriction to some extent to the utility model scheme embodiment.

See also accompanying drawing, the utility model front broom transmission clutch comprises wheel shaft 1, hinge wheel 6, chain pulley seat 7, clutch 8, first clutch block 10, second clutch block 11, chain 18, power transmission shaft 21, minor sprocket 20, operating grip 27, handle set 32, with shift fork 5, one end of wheel shaft 1 is fixedly mounted on the sidewall bodies of dustbin 25, narrow bearing support 3 and the thread segment 4 of having shortened in the other end end of wheel shaft 1, hinge wheel 6 is fixed on the chain pulley seat 7, chain pulley seat 7 places on the wheel shaft 1, clutch 8 is installed in a side of chain pulley seat 7, chain pulley seat 7 and clutch 8 between the two both can integral productions, also can fix again behind the split production, on the excircle wall body of clutch 8, offer fork slot 9, on the end face of clutch 8 outboard ends, formed first clutch block 10, second clutch block 11 is located in the hub seat 12 of road-sweeper front-wheel 14, hub seat 12 is fixed on the wheel hub, wheel hub and road-sweeper front-wheel 14 are fixing, road-sweeper front-wheel 14 is installed in bearing support 3 positions of wheel shaft 1 by the bearings 13 in the middle of the hub seat 12, in the outermost end of wheel shaft 1 by thread segment 4 lockings on nut 15 and the wheel shaft 1.Power transmission shaft 21 2 ends place leading section one side of dustbin 25, minor sprocket 20 is located at an end of power transmission shaft 21, chain 18 is nested with on large and small sprocket wheel 6,20, has been provided with the chain guard 33 of dustproof effect in the outside of large and small sprocket wheel 6,20, and chain guard 33 is fixedly mounted on a side of dustbin 25.The nearly medium position place of operating grip 27 offers axis hole 2, be provided with pivot pin 31 in the axis hole 2, by pivot pin 31 operating grip 27 is arranged on the handle set 32 rotationally, handle set 32 is fixed on the chain guard 33, on chain guard 33, offer handle groove 30, the position of handle groove 30 is corresponding with the position of operating grip 27, make operating grip 27 can be in handle groove 30 left side, the right side moves around, shift fork 5 is arranged on the end, lower end of operating grip 27, both can integral production between operating grip 27 and the shift fork 5, also can be fixed as again together behind the split production, in the fork slot 9 that shift fork 5 inserts on the clutch 8, realize scarf with fork slot 9.

Please continue to consult accompanying drawing, the described operating grip 27 of the utility model is provided with the one handle positioner, this handle positioner comprises location key seat 28, alignment pin 22, spring 23, spring cup 24, the centre of location key seat 28 is a through hole 26, be disposed with spring cup 24 in the through hole 26 from top to bottom, spring 23, alignment pin 22, alignment pin 22 is pressed on the opening part of through hole 26 bottoms by the elastic force effect of spring 23, on described chain guard 33, be provided with a pair of locating hole 29 that cooperates with alignment pin 22 of being used for, with the cooperation of locating hole 29 operating grip 27 be locked in interlock or separate two states by alignment pin 22 corresponding to the position of location key seat 28.

Here need to prove: the utility model is provided with bevel gear at the axle head of described power transmission shaft 21, power transmission shaft 21 by bevel gear be located at another bevel gear in the gear-box 19 and nibble and join, broom axle 17 is located in the gear-box 19 and with another bevel gear and fixes, and preceding broom 16 is fixed on the end, lower end of broom axle 17.Therefore said structure here no longer describes in detail owing to identical with prior art.

Narrate course of action of the present utility model below in conjunction with accompanying drawing: enter the place that needs cleaning when road-sweeper, at first preceding broom 16 is assembled on the broom axle 17, pull operating grip 27 then left, make first clutch block, 10 towards second clutch blocks, the 11 direction displacements on the clutch 8, and with 11 interlocks of second clutch block, at this moment, operating grip 27 is locked in occlusal position under the cooperation of alignment pin 22 and left end locating hole 29, then, the trailing wheel of road-sweeper is worked under the effect of power, thereby driveing road-sweeper front-wheel 14 travels forward, because front-wheel 14 is installed on the wheel shaft 1, therefore drive hinge wheel 6 rotations on the wheel shaft 1, and then by 20 rotations of chain 18 drive minor sprockets, the rotation of minor sprocket 20 is given a pair of bevel gear by power transmission shaft 21 with power transmission again, thereby makes the bevel gear in the gear-box 19 drive 17 rotations of broom axle, broom 16 rotations before finally making.When sweep finish after, when road-sweeper is in pure broken walking along the street state, then preceding broom 16 is unloaded, and pull operating grip 27 to the right, make first clutch block 10 on the clutch 8 deviate from the 11 direction displacements of second clutch block, make first clutch block 10 throw off mutually and separate, at this moment with second clutch block 11, broom 16 work before front-wheel 14 can not drive again, operating grip 27 is locked in the separation point position under the cooperation of alignment pin 22 and right-hand member locating hole 29 simultaneously.

Claims (3)

1, a kind of front broom transmission clutch of refuse cleaning vehicle, it is characterized in that it comprises wheel shaft (1), hinge wheel (6), chain pulley seat * 7), clutch (8), first clutch block (10), second clutch block (11), chain (18), power transmission shaft (21), minor sprocket (20), operating grip (27), handle set (32), and shift fork (5), wheel shaft (1) is fixed on a side of road-sweeper dustbin (25) and is positioned at chain guard (33), hinge wheel (6) is fixed on the chain pulley seat (7), chain pulley seat (7) places on the wheel shaft (1), clutch (8) is installed in a side of chain pulley seat (7), on the excircle wall body of clutch (8), offer fork slot (9), first clutch block (10) is located on the end face in clutch (8) outside, second clutch block (11) is located in the hub seat (12) of road-sweeper front-wheel (14), power transmission shaft (21) two ends place a side of dustbin (25), minor sprocket (20) is located at an end of power transmission shaft (21), chain (18) is nested with greatly, minor sprocket (6,20) on, the middle part of operating grip (27) is arranged on the handle set (32) rotationally, handle set (32) is fixed on the chain guard (33), on chain guard (33), offer and be used for cooperating with operating grip (27) and making operating grip (27) handle groove of move left and right (30) within it, dial (fork) 5 be arranged on operating grip (27) the end, lower end and with clutch (8) on fork slot (9) scarf.

2, the front broom transmission clutch of refuse cleaning vehicle according to claim 1, it is characterized in that described operating grip (27) is provided with the one handle positioner, this handle positioner comprises location key seat (28), alignment pin (22), spring (23), spring cup (24), the centre of location key seat (28) is a through hole (26), be disposed with spring cup (24), spring (23), alignment pin (22) in the through hole (26) from top to bottom, alignment pin (22) is pressed on the opening part of through hole (26) bottom by the elastic force effect of spring (23).

3, the front broom transmission clutch of refuse cleaning vehicle according to claim 1 is characterized in that described chain guard (33) is provided with and is used for cooperating with alignment pin (22) and operating grip (27) is played the locating hole (29) of locking action.