CN205202723U - Power machinery - Google Patents

Abstract

The utility model discloses a power machinery, include: frame, actuating system, walking wheel, a steering system, the frame on be provided with the actuating system, walking wheel and a steering system, the actuating system includes diesel engine, the gearbox, power belt wheel, the transmission shaft, a bevel gear, the main shaft, no. Two bevel gears, the driving belt wheel, no. Three bevel gears, the grip block, no. Four bevel gears, the guardrail, the power shaft, no. Five bevel gears, the walking wheel is including the foreign steamer, main internal gear cover, the baffle, main power gear, final drive shaft, main drive gear, prop the axle, the main brace shaft gear, interior wheel, assist the internal gear cover, assist power gear, assist the transmission shaft, assist drive gear, assist and prop the shaft gear, the walking pole, a steering system includes the hydraulic control station, double -end hydraulic cylinder, turn to the guide arm, steering linkage, the utility model has the advantages of not fragile crops.

Description

A kind of power machine

Technical field

The utility model relates to a kind of power machine, is applied to field of agricultural cultivation.

Background technology

Along with the development in epoch and the continuous progress of science and technology, the agricultural of China has been progressed into the pattern of modern agriculture by traditional agriculture pattern, field machine replaces handwork pattern gradually.

At present, power machine on market is of a great variety, but the road wheel of existing power machine is mainly by the tire adopting rubber to be prepared from, this tire floor area is large, when field machine is walked in the fields, especially ground, paddy field, tire large-arealy can damage crops by pressure, the steering swivel system of existing field machine is mainly undertaken turning to by two front-wheels in addition or two trailing wheels turn to, but the run trace of the front and back wheel of the same side is different in the process turned to, this just causes front and back wheel larger with field area of contact, also pressure ground or larger to the impaired area of crops is just compared.

Utility model content

For solving the defect of prior art, the utility model discloses the power machine of a kind of crops easy to use, not fragile.

The utility model discloses a kind of power machine, comprise: frame, drive system, road wheel, steering swivel system, described frame is provided with drive system, road wheel and steering swivel system, described drive system comprises diesel motor, change speed gear box, powered pulley, transmission shaft, a bevel gear, main shaft, No. two bevel gears, drive pulley, No. three bevel gears, grip block, No. four bevel gears, guardrail, dynamical axis, No. five bevel gears, described diesel motor is arranged in frame by bolt, described change speed gear box is arranged in frame by bolt, the input shaft of described change speed gear box and the output shaft of diesel motor affixed, the output shaft of described change speed gear box sets firmly a powered pulley, the rear and front end of described frame by bearing respectively level a transmission shaft is installed, and the midway location of each transmission shaft all sets firmly a bevel gear, described frame installs a main shaft by bearing level, the rear and front end of described main shaft sets firmly No. two bevel gears respectively, and rear and front end No. two bevel gears engage with former and later two bevel gear respectively, described main shaft sets firmly a drive pulley, described drive pulley is connected with powered pulley by belt, the two ends, left and right of described transmission shaft set firmly No. three bevel gears respectively, four grip blocks are installed by bearing pin activity in the bottom surface of described frame, and the below of each No. three bevel gear all only has a grip block, described grip block installs No. four bevel gears by bearing pin, and No. four bevel gears engage with No. three bevel gears, the other end of each grip block all welds a guardrail, described guardrail installs a dynamical axis by bearing level, each dynamical axis all sets firmly No. five bevel gears, No. five described bevel gears engage with No. four bevel gears, described road wheel comprises foreign steamer, main inner gear housing, baffle plate, active force gear, main driving axle, final gear, support axle, main brace shaft gear, inside take turns, auxiliary inner gear housing, auxiliary power gear, auxiliary transmission shaft, auxiliary transmission gear, auxiliary support shaft gear, walking rod, left and right two parts of described dynamical axis do not arrange a foreign steamer, and foreign steamer is in guardrail, the center of described foreign steamer sets firmly a main inner gear housing, a baffle plate is installed respectively by surface bearing in the left and right side of described foreign steamer, and the main inner gear housing on each foreign steamer is all clamped between two, the left and right baffle plate on this foreign steamer, left and right two parts of described dynamical axis do not set firmly an active force gear, and left and right active force gear is respectively in the main inner gear housing in left and right, by bearing level, a main driving axle is installed between two baffle plates in left side, by bearing level, a main driving axle is installed between two baffle plates on right side, and each main driving axle all sets firmly a final gear, and two, left and right final gear respectively with two, left and right active force gears meshing, and two, left and right final gear engages with the main inner gear housing in two, left and right respectively, by bearing level, two support axles are installed between two baffle plates at two ends, left and right, and two support axles all run through middle two baffle plates, and two support axles are all connected with middle two baffle plates by bearing, and the two ends, left and right of two support axles all set firmly a main brace shaft gear, and the main brace shaft gear at two ends, left and right engages with the main inner gear housing in two, left and right respectively, and the active force gear of the same side is clamped in centre by two of the same side main brace shaft gears, and the active force gears meshing of two of the same side main brace shaft gears and the same side, and two of the same side main brace shaft gears in the same horizontal line, the midway location of described dynamical axis is arranged in one takes turns, the center of circle of described interior wheel and the center of circle of foreign steamer be not on same straight line, and the center of circle of left and right foreign steamer is above dynamical axis axle center, the center of circle of described interior wheel is below dynamical axis axle center, the center of described interior wheel sets firmly an auxiliary inner gear housing, the center of described dynamical axis sets firmly an auxiliary power gear, the position of described auxiliary power gear is inner at auxiliary inner gear housing, the two ends, left and right of described auxiliary transmission shaft are arranged on two middle baffle plates by bearing respectively, the midway location of described auxiliary transmission shaft sets firmly an auxiliary transmission gear, described auxiliary transmission gear engages with auxiliary power gear, and auxiliary transmission gear engages with auxiliary inner gear housing, the midway location of described support axle sets firmly an auxiliary support shaft gear, described auxiliary support shaft gear all engages with auxiliary inner gear housing, and auxiliary power gear is clamped in centre by two auxiliary support shaft gears, and two auxiliary support shaft gears all engage with auxiliary power gear, and two auxiliary support shaft gears in the same horizontal line, on the left and right side of described interior wheel, direction circumferentially evenly sets firmly multiple walking rod, and the upper end of the walking rod of the left and right sides is all connected with left and right foreign steamer respectively by bearing, described steering swivel system comprises fluid control station, double end hydraulic ram, turn to guide rod, steering track rod, the front end of described frame sets firmly a fluid control station, the midway location level of described frame sets firmly a double end hydraulic ram, described double end hydraulic ram is connected with fluid control station by oil pipe, the end of two telescopic shafts in left and right of described double end hydraulic ram is all installed two turn to guide rod by bearing pin is movable respectively, and two of the same side turn to the other end of guide rod one end adjacent with former and later two guardrails of the same side to be respectively connected, and each turns to guide rod to be all flexibly connected with guardrail by bearing pin, and two of front turn between guide rod and are flexibly connected a steering track rod by bearing pin, and two of rear turn between guide rod and are flexibly connected a steering track rod by bearing pin, and the two ends, left and right of the steering track rod of front end are connected with the rear end of two guardrails of front end respectively, the two ends, left and right of the steering track rod of rear end are connected with the front end of two guardrails of rear end respectively.

Further, the setting height(from bottom) of described final gear is higher than the setting height(from bottom) of active force gear.

Further, the setting height(from bottom) of described auxiliary transmission gear is lower than the setting height(from bottom) of auxiliary power gear.

Owing to adopting technique scheme, the utility model has following advantageous benefits:

1, easy to use;

2, not fragile crops.

Accompanying drawing explanation

Fig. 1 is the section-drawing of a kind of power machine of the utility model;

Fig. 2 is the structural representation of the road wheel of a kind of power machine of the utility model;

Fig. 3 is the structural representation of the foreign steamer of the road wheel of a kind of power machine of the utility model;

Fig. 4 is the structural representation of the interior wheel of the road wheel of a kind of power machine of the utility model;

Fig. 5 is the structural representation of the steering swivel system of a kind of power machine of the utility model.

Wherein: 1-frame; 2-drive system; 3-road wheel; 4-steering swivel system; 201-diesel motor; 202-change speed gear box; 203-powered pulley; 204-transmission shaft; 205-bevel gear; 206-main shaft; 207-No. bis-bevel gears; 208-drive pulley; 209-No. tri-bevel gears; 210-grip block; 211-No. tetra-bevel gears; 212-guardrail; 213-dynamical axis; 214-No. five bevel gears; 301-foreign steamer; The main inner gear housing of 302-; 303-baffle plate; 304-active force gear; 305-main driving axle; 306-final gear; 307-supports axle; 308-main brace shaft gear; Wheel in 309-; The auxiliary inner gear housing of 310-; The auxiliary power gear of 311-; The auxiliary transmission shaft of 312-; The auxiliary transmission gear of 313-; The auxiliary support shaft gear of 314-; 315-walking rod; 401-fluid control station; 402-double end hydraulic ram; 403-turns to guide rod; 404-steering track rod.

Detailed description of the invention

As shown in Figure 1, the utility model discloses a kind of power machine, comprise: frame 1, drive system 2, road wheel 3, steering swivel system 4, described frame 1 is provided with drive system 2, road wheel 3 and steering swivel system 4, described drive system 2 comprises diesel motor 201, change speed gear box 202, powered pulley 203, transmission shaft 204, a bevel gear 205, main shaft 206, No. two bevel gears 207, drive pulley 208, No. three bevel gears 209, grip block 210, No. four bevel gears 211, guardrail 212, dynamical axis 213, No. five bevel gears 214, described diesel motor 201 is arranged in frame 1 by bolt, described change speed gear box 202 is arranged in frame 1 by bolt, the input shaft of described change speed gear box 202 and the output shaft of diesel motor 201 affixed, the output shaft of described change speed gear box 202 sets firmly a powered pulley 203, the rear and front end of described frame 1 by bearing respectively level a transmission shaft 204 is installed, and the midway location of each transmission shaft 204 all sets firmly a bevel gear 205, described frame 1 installs a main shaft 206 by bearing level, the rear and front end of described main shaft 206 sets firmly No. two bevel gears 207 respectively, and rear and front end No. two bevel gears 207 engage with former and later two bevel gear 205 respectively, described main shaft 206 sets firmly a drive pulley 208, described drive pulley 208 is connected with powered pulley 203 by belt, the two ends, left and right of described transmission shaft 204 set firmly No. three bevel gears 209 respectively, four grip blocks 210 are installed by bearing pin activity in the bottom surface of described frame 1, and the below of each No. three bevel gear 209 all only has a grip block 210, described grip block 210 installs No. four bevel gears 211 by bearing pin, and No. four bevel gears 211 engage with No. three bevel gears 209, the other end of each grip block 210 all welds a guardrail 212, described guardrail 212 installs a dynamical axis 213 by bearing level, each dynamical axis 213 all sets firmly No. five bevel gears 214, No. five described bevel gears 214 engage with No. four bevel gears 211, described road wheel 3 comprises foreign steamer 301, main inner gear housing 302, baffle plate 303, active force gear 304, main driving axle 305, final gear 306, support axle 307, main brace shaft gear 308, inside take turns 309, auxiliary inner gear housing 310, auxiliary power gear 311, auxiliary transmission shaft 312, auxiliary transmission gear 313, auxiliary support shaft gear 314, walking rod 315, left and right two parts of described dynamical axis 213 do not arrange a foreign steamer 301, and foreign steamer 301 is in guardrail 212, the center of described foreign steamer 301 sets firmly a main inner gear housing 302, a baffle plate 303 is installed respectively by surface bearing in the left and right side of described foreign steamer 301, and the main inner gear housing 302 on each foreign steamer 301 is all clamped between two, the left and right baffle plate 303 on this foreign steamer 301, left and right two parts of described dynamical axis 213 do not set firmly an active force gear 304, and left and right active force gear 304 is respectively in the main inner gear housing 302 in left and right, by bearing level, a main driving axle 305 is installed between two baffle plates 303 in left side, by bearing level, a main driving axle 305 is installed between two baffle plates 303 on right side, and each main driving axle 305 all sets firmly a final gear 306, and two, left and right final gear 306 engages with two, left and right active force gear 304 respectively, and two, left and right final gear 306 engages with the main inner gear housing 302 in two, left and right respectively, by bearing level, two support axles 307 are installed between two baffle plates 303 at two ends, left and right, and two support axles 307 all run through middle two baffle plates 303, and two support axles 307 are all connected with middle two baffle plates 303 by bearing, and the two ends, left and right of two support axles 307 all set firmly a main brace shaft gear 308, and the main brace shaft gear 308 at two ends, left and right engages with the main inner gear housing 302 in two, left and right respectively, and the active force gear 304 of the same side is clamped in centre by two of the same side main brace shaft gears 308, and two of the same side main brace shaft gears 308 engage with the active force gear 304 of the same side, and two of the same side main brace shaft gears 308 in the same horizontal line, the midway location of described dynamical axis 213 is arranged in one takes turns 309, the center of circle of described interior wheel 309 and the center of circle of foreign steamer 301 be not on same straight line, and the center of circle of left and right foreign steamer 301 is above dynamical axis 213 axle center, the center of circle of described interior wheel 309 is below dynamical axis 213 axle center, the center of described interior wheel 309 sets firmly an auxiliary inner gear housing 310, the center of described dynamical axis 309 sets firmly an auxiliary power gear 311, the position of described auxiliary power gear 311 is inner at auxiliary inner gear housing 310, the two ends, left and right of described auxiliary transmission shaft 312 are arranged on two middle baffle plates 303 by bearing respectively, the midway location of described auxiliary transmission shaft 312 sets firmly an auxiliary transmission gear 313, described auxiliary transmission gear 313 engages with auxiliary power gear 311, and auxiliary transmission gear 313 engages with auxiliary inner gear housing 310, the midway location of described support axle 307 sets firmly an auxiliary support shaft gear 314, described auxiliary support shaft gear 314 all engages with auxiliary inner gear housing 310, and auxiliary power gear 311 is clamped in centre by two auxiliary support shaft gears 314, and two auxiliary support shaft gears 314 all engage with auxiliary power gear 311, and two auxiliary support shaft gears 314 in the same horizontal line, on the left and right side of described interior wheel 309, direction circumferentially evenly sets firmly multiple walking rod 315, and the upper end of the walking rod 315 of the left and right sides is all connected with left and right foreign steamer 301 respectively by bearing, described steering swivel system comprises fluid control station 401, double end hydraulic ram 402, turn to guide rod 403, steering track rod 404, the front end of described frame 1 sets firmly a fluid control station 401, the midway location level of described frame 1 sets firmly a double end hydraulic ram 402, described double end hydraulic ram 402 is connected with fluid control station 401 by oil pipe, the end of two telescopic shafts in left and right of described double end hydraulic ram 402 is all installed two turn to guide rod 403 by bearing pin is movable respectively, and two of the same side turn to the other end of guide rod 403 one end adjacent with former and later two guardrails 212 of the same side to be respectively connected, and each turns to guide rod 403 to be all flexibly connected with guardrail 212 by bearing pin, and two of front turn between guide rod 403 and are flexibly connected a steering track rod 404 by bearing pin, and two of rear turn between guide rod 403 and are flexibly connected a steering track rod 404 by bearing pin, and the two ends, left and right of the steering track rod 404 of front end are connected with the rear end of two guardrails 212 of front end respectively, the two ends, left and right of the steering track rod 404 of rear end are connected with the front end of two guardrails 212 of rear end respectively.

Further, the setting height(from bottom) of described final gear 306 is higher than the setting height(from bottom) of active force gear 304.

Further, the setting height(from bottom) of described auxiliary transmission gear 313 is lower than the setting height(from bottom) of auxiliary power gear 311.

The utility model implements like this: diesel motor 201 drives change speed gear box 202 to operate by output shaft, change speed gear box 202 drives powered pulley 203 to rotate by output shaft, powered pulley 203 is rotated by belt drive drive pulley 208, the rotation of drive pulley 208 drives main shaft 206 to rotate, the rotation of main shaft 206 drives No. two bevel gears 207 of rear and front end to rotate, 207, No. two bevel gears of rear and front end drive former and later two No. two bevel gears 207 to rotate respectively, like this, 207, No. two bevel gears of front end drive the transmission shaft 204 of front end to rotate, the transmission shaft 204 of front end drives two No. three bevel gears 209 of front end to rotate, in like manner, the transmission shaft 204 of rear end drives two No. three bevel gears 209 of rear end to rotate, No. three 209, bevel gears drive No. four bevel gears 211 to rotate, No. four 211, bevel gears drive No. five bevel gears 214 to rotate, No. five 214, bevel gears drive dynamical axis 213 to rotate, the rotation of dynamical axis 213 can drive the active force gear 304 at two ends, left and right and the auxiliary power gear 311 of centre to rotate, the rotation of active force gear 304 drives final gear 306 to rotate, the rotation of final gear 306 drives main inner gear housing 302 to rotate, the rotation of main inner gear housing 302 drives foreign steamer 301 to rotate, the rotation of active force gear 304 can drive two of the same side main brace shaft gears 308 to rotate in addition, the rotation of two main brace shaft gears 308 then drives the support axle 307 at place to rotate, two support 307, axles drive the auxiliary support shaft gear 314 of each support axle 307 midway location to rotate respectively, the rotation of dynamical axis 213 can drive auxiliary power gear 311 to rotate in addition, auxiliary power gear 311 drives auxiliary transmission gear 313 to rotate, the rotation of auxiliary transmission gear 313 and two auxiliary support shaft gears 314 then can drive auxiliary inner gear housing 310 to rotate, the rotation of auxiliary inner gear housing 310 then drives interiorly takes turns 309 rotations, while such foreign steamer 301 rotates, inside take turns 309 also in rotation, because the center of circle of the two is not on same straight line, and the two turns to identical, and the two angular dimension rotated is identical, such walking rod 315 is in the process rotated, walking rod 315 is all the time in vertical state, when the lower end of such walking rod 315 and earth surface, while playing support mass action, significantly reduce with the area of contact in soil, therefore the damage of crops is also just significantly reduced, especially paddy field, because walking rod 315 is all the time in vertical state, crops are also not easily wrapped on walking rod 315, use more convenient, when needing in addition to turn left, the telescopic shaft being controlled the left end of double end hydraulic ram 402 by fluid control station 401 is shunk to the right, the telescopic shaft of the left end of double end hydraulic ram 401 then pulls two of left end to turn to guide rod 403 to move right, two turn to the angle between guide rod 403 to reduce gradually while, the rear end of the guardrail 212 of front side is drawn to the right by the guide rod 403 that turns to of front side, the front end of the guardrail 212 of rear side is drawn to the right by the guide rod 403 that turns to of rear side, and the telescopic shaft of the right-hand member of double end hydraulic ram 401 stretches out to the right, two of right side turn to the angle between guide rod 403 to increase gradually, the steering track rod 404 of front side moves right, the rear end that the right-hand member of the steering track rod 404 of front end then promotes the guardrail 212 of the front end on right side moves right, in like manner, the front end of the guardrail 212 of the rear end on right side also moves right, such four guardrails 212 drive four road wheels 3 to rotate respectively, the track of four road wheels 3 is then identical, a circle can be formed in the process of turning, avoid and cause large with the area of contact in field because front and back road wheel 3 track is different and cause the defect damaging crops in a large number, use more convenient, the utility model adopts the mode of four wheel drive in addition, power is larger, effective.

Above embodiment only in order to the utility model is described and and technical scheme described by unrestricted the utility model; Therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.

Claims (3)

1. a power machine, comprise: frame, drive system, road wheel, steering swivel system, it is characterized in that: described frame is provided with drive system, road wheel and steering swivel system, described drive system comprises diesel motor, change speed gear box, powered pulley, transmission shaft, a bevel gear, main shaft, No. two bevel gears, drive pulley, No. three bevel gears, grip block, No. four bevel gears, guardrail, dynamical axis, No. five bevel gears, described diesel motor is arranged in frame by bolt, described change speed gear box is arranged in frame by bolt, the input shaft of described change speed gear box and the output shaft of diesel motor affixed, the output shaft of described change speed gear box sets firmly a powered pulley, the rear and front end of described frame by bearing respectively level a transmission shaft is installed, and the midway location of each transmission shaft all sets firmly a bevel gear, described frame installs a main shaft by bearing level, the rear and front end of described main shaft sets firmly No. two bevel gears respectively, and rear and front end No. two bevel gears engage with former and later two bevel gear respectively, described main shaft sets firmly a drive pulley, described drive pulley is connected with powered pulley by belt, the two ends, left and right of described transmission shaft set firmly No. three bevel gears respectively, four grip blocks are installed by bearing pin activity in the bottom surface of described frame, and the below of each No. three bevel gear all only has a grip block, described grip block installs No. four bevel gears by bearing pin, and No. four bevel gears engage with No. three bevel gears, the other end of each grip block all welds a guardrail, described guardrail installs a dynamical axis by bearing level, each dynamical axis all sets firmly No. five bevel gears, No. five described bevel gears engage with No. four bevel gears, described road wheel comprises foreign steamer, main inner gear housing, baffle plate, active force gear, main driving axle, final gear, support axle, main brace shaft gear, inside take turns, auxiliary inner gear housing, auxiliary power gear, auxiliary transmission shaft, auxiliary transmission gear, auxiliary support shaft gear, walking rod, left and right two parts of described dynamical axis do not arrange a foreign steamer, and foreign steamer is in guardrail, the center of described foreign steamer sets firmly a main inner gear housing, a baffle plate is installed respectively by surface bearing in the left and right side of described foreign steamer, and the main inner gear housing on each foreign steamer is all clamped between two, the left and right baffle plate on this foreign steamer, left and right two parts of described dynamical axis do not set firmly an active force gear, and left and right active force gear is respectively in the main inner gear housing in left and right, by bearing level, a main driving axle is installed between two baffle plates in left side, by bearing level, a main driving axle is installed between two baffle plates on right side, and each main driving axle all sets firmly a final gear, and two, left and right final gear respectively with two, left and right active force gears meshing, and two, left and right final gear engages with the main inner gear housing in two, left and right respectively, by bearing level, two support axles are installed between two baffle plates at two ends, left and right, and two support axles all run through middle two baffle plates, and two support axles are all connected with middle two baffle plates by bearing, and the two ends, left and right of two support axles all set firmly a main brace shaft gear, and the main brace shaft gear at two ends, left and right engages with the main inner gear housing in two, left and right respectively, and the active force gear of the same side is clamped in centre by two of the same side main brace shaft gears, and the active force gears meshing of two of the same side main brace shaft gears and the same side, and two of the same side main brace shaft gears in the same horizontal line, the midway location of described dynamical axis is arranged in one takes turns, the center of circle of described interior wheel and the center of circle of foreign steamer be not on same straight line, and the center of circle of left and right foreign steamer is above dynamical axis axle center, the center of circle of described interior wheel is below dynamical axis axle center, the center of described interior wheel sets firmly an auxiliary inner gear housing, the center of described dynamical axis sets firmly an auxiliary power gear, the position of described auxiliary power gear is inner at auxiliary inner gear housing, the two ends, left and right of described auxiliary transmission shaft are arranged on two middle baffle plates by bearing respectively, the midway location of described auxiliary transmission shaft sets firmly an auxiliary transmission gear, described auxiliary transmission gear engages with auxiliary power gear, and auxiliary transmission gear engages with auxiliary inner gear housing, the midway location of described support axle sets firmly an auxiliary support shaft gear, described auxiliary support shaft gear all engages with auxiliary inner gear housing, and auxiliary power gear is clamped in centre by two auxiliary support shaft gears, and two auxiliary support shaft gears all engage with auxiliary power gear, and two auxiliary support shaft gears in the same horizontal line, on the left and right side of described interior wheel, direction circumferentially evenly sets firmly multiple walking rod, and the upper end of the walking rod of the left and right sides is all connected with left and right foreign steamer respectively by bearing, described steering swivel system comprises fluid control station, double end hydraulic ram, turn to guide rod, steering track rod, the front end of described frame sets firmly a fluid control station, the midway location level of described frame sets firmly a double end hydraulic ram, described double end hydraulic ram is connected with fluid control station by oil pipe, the end of two telescopic shafts in left and right of described double end hydraulic ram is all installed two turn to guide rod by bearing pin is movable respectively, and two of the same side turn to the other end of guide rod one end adjacent with former and later two guardrails of the same side to be respectively connected, and each turns to guide rod to be all flexibly connected with guardrail by bearing pin, and two of front turn between guide rod and are flexibly connected a steering track rod by bearing pin, and two of rear turn between guide rod and are flexibly connected a steering track rod by bearing pin, and the two ends, left and right of the steering track rod of front end are connected with the rear end of two guardrails of front end respectively, the two ends, left and right of the steering track rod of rear end are connected with the front end of two guardrails of rear end respectively.

2. a kind of power machine according to claim 1, is characterized in that: the setting height(from bottom) of described final gear is higher than the setting height(from bottom) of active force gear.

3. a kind of power machine according to claim 1, is characterized in that: the setting height(from bottom) of described auxiliary transmission gear is lower than the setting height(from bottom) of auxiliary power gear.