CN2454212Y

CN2454212Y - Separated steering-braking mechanism for rice-wheat harvester

Info

Publication number: CN2454212Y
Application number: CN 00266146
Authority: CN
Inventors: 涂久裕; 郭最润
Original assignee: NANCHANG GEAR WHEELS FACTORY
Current assignee: NANCHANG GEAR WHEELS FACTORY
Priority date: 2000-12-29
Filing date: 2000-12-29
Publication date: 2001-10-17
Anticipated expiration: 2010-12-29

Abstract

The utility model relates to a steering-braking mechanism, particularly relating to a separated steering-braking mechanism for rice-wheat harvesters; the middle of a steering-braking shaft of the utility model is sheathed with a central drive gear and a steering gear; a separated bearing or a separated shaft is sheathed on a steering shaft sleeve connected with the steering gear; the utility model uses friction discs to brake and a spring to return. The utility model can improve the bearing capacity of the drive system with work safety, which is suitable for grain harvesters, various tractors and some engineering vehicles.

Description

Harvester for both rice and wheat separation type braking in a turn mechanism

The utility model relates to a kind of braking in a turn mechanism, relates in particular to a kind of harvester for both rice and wheat separation type braking in a turn mechanism.

The braking in a turn mechanism of harvester for both rice and wheat installs left and right braking in a turn axle respectively about adopting mostly at present, central driver gear is on left and right braking in a turn axle, left and right braking in a turn axle is a cantilever design, poor rigidity, right alignment is bad, causes central driver gear easily to tilt, copper sheathing is easy to wear, reduced the load-carrying capacity of driving system, when high speed and heavy duty, easy et out of order; Steering clutch and drg rely on external lever mechanism to realize linking and handle, and adjust difficulty, because adjustment is improper, before often producing the thorough separation of steering clutch, the phenomenon that drg has just been braked is damaged steering clutch or brake part, work unreliable, the life-span lacks, poor stability.

The harvester for both rice and wheat separation type braking in a turn mechanism that provides a kind of load-carrying capacity strong, safe and reliable is provided the purpose of this utility model.

The technical scheme that the utility model adopted is: this harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork, central driver gear and steering gear, central driver gear and steering gear cooperate with the tooth cover, constitute steering clutch, it is characterized by: braking in a turn axle intermediate sleeve is equipped with central driver gear and steering gear; On the steering column jacket that release thrust bearing is sleeved on steering gear links to each other, steering column jacket and lining socket-connect, lining is sleeved on the braking in a turn axle, movable friction plate is installed on the steering column jacket, be equipped with in the drg and decide friction lining and retracing spring, retracing spring is enclosed within on the braking in a turn axle and withstands steering column jacket.

This harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork, central driver gear and steering gear, central driver gear and steering gear cooperate with the tooth cover, constitute steering clutch, and it is characterized by: braking in a turn axle intermediate sleeve is equipped with central driver gear and steering gear; On the steering column jacket that the disengaging shaft cover is sleeved on steering gear links to each other, steering column jacket and lining socket-connect, lining is sleeved on the braking in a turn axle, movable friction plate is installed on the steering column jacket, be equipped with in the drg and decide friction lining and retracing spring, retracing spring is enclosed within on the braking in a turn axle and withstands steering column jacket.

In the utility model, the braking in a turn axle is an integral structure, and the steering gear on the left side and the right and drg are installed on the same braking in a turn axle, right alignment improves, the rigid nature of braking in a turn axle is improved than also, like this, can improve the load-carrying capacity of driving system; When turning to, turn to shift fork to promote release thrust bearing (or separating axle sleeve), move axially thereby drive steering gear, steering gear is separated with central driver gear tooth cover, that is, make steering clutch throw off, thereby cut off the power that reaches this steering gear; Steering gear moves and compresses the friction lining in the drg backward with release thrust bearing (or separating axle sleeve) continuation, the drive wheel on corresponding one side is stopped operating, harvester for both rice and wheat turns to, from the braking in a turn working process of this harvester for both rice and wheat as can be seen, steering clutch is thrown off, could make drg work, reaper is turned to, like this, just guarantee the mode of operation of " separate afterwards earlier and brake " on the principle with practical operation, make that this utility model is safe and reliable; The utlity model has wider field of application, both can be used in variously from walking the endless-track type rice wheat harvester, also can be used in various types of trac.s and some construction engines.

With embodiment the utility model is described in further detail with reference to the accompanying drawings below.

Fig. 1 is embodiment 1 schematic appearance;

Fig. 2 is that embodiment 1 is along axis longitudinal cross-section scheme drawing;

Fig. 3 is embodiment 2 schematic appearance;

Fig. 4 is that embodiment 2 is along axis longitudinal cross-section scheme drawing.

Embodiment 1:

According to Fig. 1 and Fig. 2, this harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork 5, central driver gear 2 and steering gear 4, central driver gear 2 and steering gear 4 cooperate with the tooth cover, constitute steering clutch 3, braking in a turn axle 1 intermediate sleeve is equipped with central driver gear 2 and steering gear 4; Release thrust bearing 7 is sleeved on the steering column jacket 8 that links to each other with steering gear 4, steering column jacket 8 socket-connects with lining 9, lining 9 is sleeved on the braking in a turn axle 1, movable friction plate 10 is installed on the steering column jacket 8, be equipped with in the drg 6 and decide friction lining 61 and retracing spring 62, retracing spring 62 is enclosed within on the braking in a turn axle 1 and withstands steering column jacket 8, central driver gear 2 obtains power by power transmission mechanism, the steering gear 4 that drives the left side and the right rotates, the steering gear 4 on the left side and the right reaches power the drive wheel on the left side and the right respectively, makes the harvester for both rice and wheat walking.

The process that turns to is as follows: that now supposes among Fig. 1 the right turns to shift fork 5 by rotating as the figure direction, the right turn to that shift fork 5 promotes that the right divides from bearing 7, thereby the steering gear 4 that drives the right moves axially, the steering gear 4 on the right is separated with central driver gear 2 teeth cover, promptly, make the steering clutch 3 on the right throw off, thereby cut off the power of the steering gear 4 that reaches the right, the steering gear 4 on the right and release thrust bearing 7 continue mobile backward and make movable friction plate 10 and decide friction lining 61 to compress mutually, make the right drive wheel stop operating, but the harvester for both rice and wheat right-hand turning to; Equally, if the shift fork 5 of turning on the left side promotes the release thrust bearing 7 on the left sides, can make the rice wheat harvest cut left-handed turning to; When turning to shift fork 5 to throw off release thrust bearing 7, steering gear 4 moves to central driver gear 2 because of the elastic force effect of retracing spring 62 in the drg 6, and steering clutch 3 is closed again, makes this steering gear 4 obtain power, and the corresponding driving wheel is rotated.

Embodiment 2:

According to Fig. 3 and Fig. 4, this harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork 5, central driver gear 2 and steering gear 4, central driver gear 2 and steering gear 4 cooperate with the tooth cover, constitute steering clutch 3, its braking in a turn axle 1 intermediate sleeve is equipped with central driver gear 2 and separates axle sleeve 71 with steering gear 4 and be sleeved on the steering column jacket 8 that links to each other with steering gear 4, steering column jacket 8 socket-connects with lining 9, lining 9 is sleeved on the braking in a turn axle 1, movable friction plate 10 is installed on the steering column jacket 8, be equipped with in the drg 6 and decide friction lining 61 and retracing spring 62, retracing spring 62 is enclosed within on the braking in a turn axle 1 and withstands steering column jacket 8, central driver gear 2 obtains power by power transmission mechanism, the steering gear 4 that drives the left side and the right rotates, the steering gear 4 on the left side and the right reaches power the drive wheel on the left side and the right respectively, makes the harvester for both rice and wheat walking.

The process that turns to is as follows: that now supposes among Fig. 3 the right turns to shift fork 5 by rotating as the figure direction, the shift fork 5 that turns on the right promotes the separation axle sleeve 71 on the right, thereby the steering gear 4 that drives the right moves axially, the steering gear 4 on the right is separated with central driver gear 2 teeth cover, promptly, make the steering clutch 3 on the right throw off, thereby cut off the power of the steering gear 4 that reaches the right, the steering gear 4 on the right and separates axle sleeve 71 and continue mobile backward and make movable friction plate 10 and decide friction lining 61 and compress mutually, make the right drive wheel stop operating, but the harvester for both rice and wheat right-hand turning to; Equally, if the shift fork 5 of turning on the left side promotes the separation axle sleeve 71 on the left sides, can make the rice wheat harvest cut left-handed turning to; Separate axle sleeve 71 when turning to shift fork 5 to throw off, steering gear 4 moves to central driver gear 2 because of the elastic force effect of retracing spring 62 in the drg 6, and steering clutch 3 is closed again, makes this steering gear 4 obtain power, and the corresponding driving wheel is rotated.

Claims

1, a kind of harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork, central driver gear and steering gear, central driver gear and steering gear cooperate with the tooth cover, constitute steering clutch, it is characterized by: braking in a turn axle (1) intermediate sleeve is equipped with central driver gear (2) and steering gear (4); Release thrust bearing (7) is sleeved on the steering column jacket (8) that links to each other with steering gear (4), steering column jacket (8) socket-connects with lining (9), lining (9) is sleeved on the braking in a turn axle (1), movable friction plate (10) is installed on the steering column jacket (8), be equipped with in the drg (6) and decide friction lining (61) and retracing spring (62), retracing spring (62) is enclosed within braking in a turn axle (1) and goes up and withstand steering column jacket (8).

2, a kind of harvester for both rice and wheat separation type braking in a turn mechanism, comprise and turn to shift fork, central driver gear and steering gear, central driver gear and steering gear cooperate with the tooth cover, constitute steering clutch, it is characterized by: braking in a turn axle (1) intermediate sleeve is equipped with central driver gear (2) and steering gear (4); Separating axle sleeve (71) is sleeved on the steering column jacket (8) that links to each other with steering gear (4), steering column jacket (8) socket-connects with lining (9), lining (9) is sleeved on the braking in a turn axle (1), movable friction plate (10) is installed on the steering column jacket (8), be equipped with in the drg (6) and decide friction lining (61) and retracing spring (62), retracing spring (62) is enclosed within braking in a turn axle (1) and goes up and withstand steering column jacket (8).