CN208804179U - Crawler tractor gearbox synchronous gear power derivation mechanism - Google Patents

Abstract

Crawler tractor gearbox synchronous gear power derivation mechanism, including stepless transmission, tractor gear case and angle gear box, wherein stepless transmission is connected with tractor gear case and power is inputed to tractor gear case by stepless transmission, tractor gear case includes an axis, two axis, three axis, tooth sector axis and drive shaft, wherein an axis is intermeshed and is driven by gear with stepless transmission, one axis is also engaged and is rotated by gear with two axis, two axis are engaged and are rotated by gear with three axis, wherein three axis are intermeshed with two corner gear shafts respectively, every shaft gear axis is engaged with the drive shaft of an outside output power respectively, one end of two axis passes through tractor gear case and is connected with angle gear box；The position of one axis of gearbox, two axis and three axis is high, and the synchronous dynamic mechanism for drawing power will not be contacted with the water surface, or few contact.

Description

Crawler tractor gearbox synchronous gear power derivation mechanism

Technical field

The utility model relates to caterpillar tractor power output fields, and in particular to a kind of caterpillar tractor gearbox (harvester gear box) synchronous dynamic derivation mechanism.

Background technique

Due to wheeled tractor southern paddy field ploughing be easy to destroy mud bottom, deepen mud foot, cause harvester etc. other Mechanical cisco unity malfunction, caterpillar tractor come into being, and develop along violent, the subsequent fertilising of present caterpillar tractor Mechanism and sowing mechanism, which need to draw synchronous dynamic by tractor, synchronizes driving to fertilizing mechanism and sowing mechanism, to reach Uniform purpose is broadcast to applying, synchronous fertilising or sowing or blank when caterpillar tractor is ploughed at present, as shown in Figure 1, now High chassis wheeled tractor synchronous dynamic derivation mechanism be mounted in the drive shaft of tractor rear wheel tire, power derivation mechanism is logical Cross flexible axle and convey power to fertilizing mechanism and sowing mechanism, due to caterpillar tractor be all borrow harvester gear box thus Drive axle position is with regard to lower, and when southern paddy field carries out rotary tillage work, the drive shaft of caterpillar tractor is located at the water surface It is lower or often contacted with soil water, in this way the device that power is drawn in one end of drive shaft can enter aquatic products get rusty erosion or The series of problems such as the transmission between gear are hindered into soil, and are not easy to install.

Summary of the invention

For the blank of the above-mentioned prior art, the utility model proposes a kind of extraction of caterpillar tractor gearbox synchronize it is dynamic Force mechanisms, in this way convenient for the power synchronous of caterpillar tractor to be drawn out on fertilizing mechanism and sowing mechanism, realization synchronizes dynamic Power output, while the installation site of synchronous dynamic mechanism is high, synchronous dynamic mechanism will not contact with the water surface or contact and generate less The series of problems such as corrosion

In order to achieve the above object, the embodiment of the utility model: caterpillar tractor gearbox draws synchronous dynamic mechanism, Including stepless transmission, tractor gear case and angle gear box, which is characterized in that wherein stepless transmission and tractor gear Case is connected and power is inputed to tractor gear case by stepless transmission, tractor gear case include an axis, two axis, three axis, Tooth sector axis and drive shaft, wherein an axis is intermeshed and is driven by gear with stepless transmission, an axis is also logical with two axis Gear is crossed to engage and rotate, two axis are engaged and are rotated by gear with three axis, wherein three axis respectively with two corner gear shaft phases Mutually engagement, every shaft gear axis are engaged with the drive shaft of an outside output power respectively, and one end of two axis passes through tractor Gear-box is simultaneously connected with angle gear box, and connector is connected on angle gear box, and connector is also connected with the soft of output power Axis.

Preferably, one-way clutch is provided between angle gear box and connector

Preferably, angle gear box includes first bevel gear, second bevel gear, third hand tap gear, shaft and sliding gear collar, Wherein first bevel gear is fixedly connected with two axis, and second bevel gear is meshed with first bevel gear and respectively with third hand tap gear Two bevel gears and third hand tap gear are axially opposing, and center is inserted with shaft in second bevel gear and third hand tap gear, second Sliding gear collar has been inserted in shaft between bevel gear and third hand tap gear, wherein second bevel gear is not engaged with sliding gear collar, Third hand tap gear is meshed with sliding gear collar, and the rocker arm to fit with sliding gear collar is provided on sliding gear collar and rocker arm stretches out Angle gear box.

The utility model has the advantage of；1, the position of two axis of gearbox is high, and the synchronous dynamic mechanism for drawing power will not It is contacted with the water surface, or few contact；2, improving cost is low；3, since the gearbox of caterpillar tractor is located at the front end of tractor, Powerdriven flexible axle (universal shaft) can draw the past above the rack of caterpillar tractor, and at this time vehicle body can be to soft Axis plays a protective effect；4, according to field conditions, tractor run how soon seeding and fertilizing have how soon, be greatly improved work effect Rate.

Detailed description of the invention

Fig. 1 is the schematic diagram that wheeled tractor in the prior art draws synchronous dynamic mechanism.

Fig. 2 is the schematic diagram of the utility model.

Fig. 3 is the partial schematic diagram of the utility model angle gear box.

Wherein, 1, stepless transmission, 2, tractor gear case, 2.1, one axis, 2.2, two axis, 2.3, three axis, 2.4, corner The cone of gears, 2.5, drive shaft, 3, angle gear box, the 3.1, first angular wheel, the 3.2, second angular wheel, 3.3, third cone Shape gear, 3.4, shaft, 3.5, sliding gear collar, 3.6, rocker arm, 4, one-way clutch, 5, connector, 6, flexible axle.

Specific embodiment

It is further elucidated above to the utility model now in conjunction with attached drawing.

As Figure 2-3, caterpillar tractor gearbox draws synchronous dynamic mechanism, including stepless transmission 1, tractor Gear-box 2 and angle gear box 3, wherein output shaft is extend into tractor gear case 2 and stepless transmission by 1 stepless transmission Power is inputed to tractor gear case 2 by 1, and tractor gear case 2 includes an axis 2.1, two axis 2.2, three axis 2.3, tooth sector Axis 2.4 and drive shaft 2.5, wherein an axis 2.1 is intermeshed and is driven by gear with stepless transmission 1, an axis 2.1 is also with two Axis 2.2 is intermeshed and is rotated by gear, and two axis 2.2 are intermeshed and are rotated by gear with three axis 2.3, wherein three axis 2.3 are intermeshed and are driven by gear with corner gear shaft 2.4, the drive of shaft gear axis 2.4 and two outside output powers Moving axis 2.4 is intermeshed and is driven by gear, and such power passes to drive shaft from an axis, and two axis, 2.2 one end passes through dilatory Machine gear-box 2 is simultaneously connected with angle gear box 3 by welding, and angle gear box 3 includes first bevel gear 3.1, second Bevel gear 3.2, third hand tap gear 3.3, shaft 3.4 and sliding gear collar 3.5, wherein first bevel gear 3.1 and two axis 2.2 pass through weldering The mode connect is fixedly connected, and second bevel gear 3.2 is meshed with first bevel gear 3.1 and second respectively with third hand tap gear 3.3 Bevel gear 3.2 and third hand tap gear axis 3.3 are axially opposing, and center, which is in, in second bevel gear 3.2 and third hand tap gear 3.3 inserts Enter to have shaft 3.4 and shaft 3.4 be not in contact with second bevel gear 3.2 with third hand tap gear 3.3, second bevel gear 3.2 with It has been inserted in sliding gear collar 3.5 in shaft 3.4 between third hand tap gear 3.3 and shaft 3.4 and sliding gear collar 3.5 pass through spline phase Mutually cooperation, wherein second bevel gear 3.2 is not engaged with sliding gear collar 3.5, is provided on 3.3 inner wall of third hand tap gear and slide teeth 3.5 tooth that matches of set and third hand tap gear 3.3 is meshed with sliding gear collar 3.5, on sliding gear collar 3.5 right side be provided with and The rocker arm 3.6 and rocker arm 3.6 that sliding gear collar 3.5 fits stretch out angle gear box 3, make slide teeth by stirring for rocker arm 3.6 Set 3.5 is moved forward and backward, and it is (i.e. sliding with neutral gear to reach and put into gear (and sliding gear collar 3.5 and third hand tap gear 3.3 are intermeshed) in this way Movable tooth set 3.5 is far from third hand tap gear 3.3, so that third hand tap gear 3.3 be made not engage between each other with sliding gear collar 3.5)；Turn The shaft 3.4 stretched out in angle gear-box 3 is connected by way of spline with one-way clutch 4, and one-way clutch 4 is unidirectional Bearing is fixed with connector 5 and one-way clutch 4 in the other end of one-way clutch 4 by way of spline also as connection First 5 transmitting power, is also connected with the flexible axle 6 of power output, flexible axle 6 by welding in the other end of connector 5 Simultaneously output power is connected with each other with other power mechanisms.

In use, power is transmitted on an axis 2.1 of tractor gear case 2 by stepless transmission 1, an axis 2.1 passes through Gear drive successively imparts power to two axis 2.2, three axis 2.3, corner gear shaft 2.4 and drive shaft 2.5, and two axis 2.3 will move Power passes in the wherein first bevel gear 3.1 of angle gear box 3, and first bevel gear 3.1 imparts power to second bevel gear 3.2 with third hand tap gear 3.3, by rocker arm 3.6 stir sliding gear collar 3.5 slide, when sliding gear collar 3.5 and third hand tap gear case 3.3 when be meshed, and sliding gear collar 2.5 drives shaft 3.4 to rotate, and (i.e. shaft 3.4 is being just when tractor travels forward Turn), shaft 3.4 imparts power to 4 on one-way clutch, and one-way clutch 4 imparts power to connector 5, connector 5 It imparts power to flexible axle 6 and flexible axle 6 goes out power transmission；When tractor retreats (i.e. shaft 3.4 is reversion), by Transmitting power is rotated forward in one-way clutch 4, power interrupts from one-way clutch 4 when shaft 3.4 inverts, and power does not have It passes outward；When rocker arm 3.6 stirs sliding gear collar 3.5 to second bevel gear 3.4, power, which can not be transmitted to, to be turned On axis 3.4 (as neutral gear).

Due to only needing the position by two axis higher, when caterpillar tractor works in paddy field, two axis will not be immersed in In water, power derivation mechanism will not be damaged in this way；This power ejector will only increase in the outside of tractor gear case 2 Angle gear box 3 does not improve the internal structure of gearbox, so improving cost is low；Due to caterpillar tractor Gearbox is located at the front end of tractor, and powerdriven flexible axle 6 can be drawn the past above the rack of caterpillar tractor, this When vehicle body a protective effect can be played to flexible axle 6；Since power is directly drawn out of tractor gear case 2, when flexible axle 6 When being attached with sowing mechanism, the speed of drilling of sowing mechanism and the movement velocity of tractor it is synchronous variation, significantly Improve working efficiency.

The utility model is not limited to draw power from caterpillar tractor gearbox, can equally be well applied to crawler type harvesting Power is drawn on machine gearbox.

Claims (3)

1. crawler tractor gearbox synchronous gear power derivation mechanism, including stepless transmission, tractor gear case and corner gear Case, which is characterized in that wherein stepless transmission be connected with tractor gear case and stepless transmission power is inputed to it is dilatory Machine gear-box, tractor gear case includes an axis, two axis, three axis, tooth sector axis and drive shaft, wherein an axis and variable speed Device is intermeshed and is driven by gear, and an axis is also engaged and rotated by gear with two axis, and two axis are nibbled with three axis by gear Merge rotation, wherein three axis are intermeshed with two corner gear shafts respectively, every shaft gear axis be engaged with respectively one to The drive shaft of outer output power, which is characterized in that one end of two axis passes through tractor gear case and is connected with angle gear box, turns Connector is connected on the gear-box of angle, connector is also connected with the flexible axle of output power.

2. crawler tractor gearbox synchronous gear power derivation mechanism according to claim 1, which is characterized in that in corner tooth One-way clutch is provided between roller box and connector.

3. crawler tractor gearbox synchronous gear power derivation mechanism according to claim 2, which is characterized in that corner gear Case includes that first bevel gear, second bevel gear, third hand tap gear, shaft and sliding gear collar, wherein first bevel gear and two axis are solid Fixed connection, second bevel gear is meshed respectively with first bevel gear with third hand tap gear and second bevel gear and third hand tap gear axis To opposite, center is inserted with shaft in second bevel gear and third hand tap gear, between second bevel gear and third hand tap gear Shaft on be inserted in sliding gear collar, wherein second bevel gear is not engaged with sliding gear collar, third hand tap gear and sliding gear collar phase Engagement, is provided with the rocker arm to fit with sliding gear collar on sliding gear collar and rocker arm stretches out angle gear box.