CN108608806A - A kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type - Google Patents

A kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type Download PDF

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Publication number
CN108608806A
CN108608806A CN201810204687.9A CN201810204687A CN108608806A CN 108608806 A CN108608806 A CN 108608806A CN 201810204687 A CN201810204687 A CN 201810204687A CN 108608806 A CN108608806 A CN 108608806A
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CN
China
Prior art keywords
gear
axle housing
shaft
arm
axle
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Pending
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CN201810204687.9A
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Chinese (zh)
Inventor
徐国艳
高峰
陈志发
左新凯
姜惠
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Beihang University
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Beihang University
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Priority to CN201810204687.9A priority Critical patent/CN108608806A/en
Publication of CN108608806A publication Critical patent/CN108608806A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/003Steerable axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/02Resilient suspensions for a single wheel with a single pivoted arm
    • B60G3/04Resilient suspensions for a single wheel with a single pivoted arm the arm being essentially transverse to the longitudinal axis of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/16Arrangement of linkage connections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/14Independent suspensions with lateral arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/40Indexing codes relating to the wheels in the suspensions
    • B60G2200/44Indexing codes relating to the wheels in the suspensions steerable

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

The present invention provides a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type, it is mainly by revolver side reducer assembly and right wheel side reducer assembly, left steering joint arm and right turn joint arm, left steering device assembly and right turn device assembly, left outside axle housing and right outer axle housing, left forked type adjustment arm and right forked type adjust arm, bracket, rear portion front axle support, front axle housing body, track rod, front front axle support, front axle housing body end lid, main gearbox assembly, left outside semiaxis and right outer semiaxis, left double cruciform shaft Hooks coupling universal coupling and right double cruciform shaft Hooks coupling universal coupling, left inside semiaxis and right inner shaft, differential assembly forms;The present invention can guarantee that front axle housing body adapts to the operating modes such as irregular road conditions or hillside fields automatically, and ensure body gesture self-level(l)ing, enhances the contact area of tire and ground, keeps the stabilization of vehicle body, structural strength and good rigidity;Ability with adaptively condition and the gradient, scientific structure design, good manufacturability have application value.

Description

A kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type
One, technical field
The present invention relates to a kind of double hydraulic cylinder power-assisted steering drive axles more particularly to body gesture adjusting arm using forked type The steering and driving axle of self-level(l)ing belongs to vehicle steer axle technical field.
Two, background technology
Hilly and mountainous land is mostly based on the ground such as irregular ground, hillside fields, and traditional tractor is in Hills transfer and farmland When operation, tractor attitudes vibration situation caused by landform and ground is complicated and changeable, and unit riding stability is poor, driver's peace Full property is difficult to ensure.Therefore, the adaptability for guarantee tractor in mountainous region realizes that tractor in hillside fields vehicle body self-level(l)ing, needs A kind of novel steering bridge, you can to adapt to road surface automatically, and posture active levelling device and walking mechanism can be coordinated to make vehicle body Leveling.
The plot of Hills is usually uneven, and when tractor work, each tire cannot come into full contact with ground, lead Actuating power and riding stability decline.Therefore a kind of novel steering bridge is needed, can be come into full contact with ground with tire is made.
All-wheel drive vehicles have larger driving force and overcome obstacle, prevent the ability skidded.In many a11wheel drives Tractor, preceding bridge also take into account the effect of drive axle other than as steeraxle.
But existing tractor steering bridge, while being adapted to ground, it cannot be guaranteed that each tire fully connects with ground It touches, cannot guarantee that vehicle body remains horizontality, it is poor to be easy to cause stability, easily the security risks such as rollover.
Three, invention content
1. goal of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of double hydraulic cylinder power-assisteds adjusting arm using forked type to turn To drive axle, it is suitable for irregular road conditions and hillside fields, and can guarantee that tire comes into full contact with ground, body gesture tune can be coordinated It is flat, so that vehicle body is kept horizontality.
2. technical solution
A kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, it is mainly by 2 hub reductions Device assembly【That is revolver side reducer assembly (1) and right wheel side reducer assembly (13)】, 2 knuckle arms【That is left steering joint arm (2) and right turn joint arm (12)】, 2 steering assemblies【That is left steering device assembly (3) and right turn device assembly (11)】, 2 it is outer Axle housing【I.e. left outside axle housing (4) and right outer axle housing (10)】, 2 forked types adjust arm【I.e. left forked type adjustment arm (5) and the adjustment of right forked type Arm (9)】, it is bracket (6), rear portion front axle support (7), front axle housing body (8), track rod (14), front front axle support (15), preceding Bridge housing end plug (16), main gearbox assembly (17), 2 outer semiaxis【I.e. left outside semiaxis (24) and right outer semiaxis (18)】, 2 Double cruciform shaft Hooks coupling universal coupling【Left double cruciform shaft Hooks coupling universal coupling (23) and right double cruciform shaft Hooks coupling universal coupling (19)】, in 2 Semiaxis【Left inside semiaxis (22) and right inner shaft (20)】, differential assembly (21) composition;
Their mutual relationships are:Main gearbox assembly (17) is fixed on front axle housing body end lid (16), front axle housing Body end lid (16) and front axle housing body (8) are affixed;Main reducing gear driving gear (50) in main gearbox assembly (17) and main deceleration Device driven gear (51) engages, and main reducing gear driven gear (51) is fixed in the differential casing (45) in differential assembly (21) On;Left inside semiaxis (22) and right inner shaft (20) respectively with the left half axle gear (47) and right axle shaft in differential assembly (21) Gear (44) connects;Left inside semiaxis (22) connect with left double cruciform shaft Hooks coupling universal coupling (23) one end, and left double cruciform shaft is universal Axis device (23) other end is connect with left outside semiaxis (24) one end;Left outside semiaxis (24) other end and revolver side reducer assembly (1) front left side transmission level-one driving gear (35) couples in;Left outside semiaxis (24) and left inside semiaxis (22) are supported in preceding bridge In shell (8);Right inner shaft (20) connect with right double cruciform shaft Hooks coupling universal coupling (19) one end, right double cruciform shaft universal joint shaft Device (19) other end is connect with right outer semiaxis (18) one end;Right outer semiaxis (18) other end joins with right wheel side reducer assembly (13) It connects, right outer semiaxis (18) and right inner shaft (20) are supported in front axle housing body (8);Front axle housing body (8) and bridge branch before front Frame (15) is hinged;Rear portion front axle support (7) supports the bearing block (49) in main gearbox assembly (17), middle front part front axle support (15) and rear portion front axle support (7) is affixed with bracket (6), ensures that front axle housing body (8) can be swung relative to bracket (6);It is left Steering assembly (3) is hinged on left outside axle housing (4), and one end of the piston rod (26) in left steering device assembly (3) and revolver Side reducer assembly (1) is hinged;Right turn device assembly (11) is hinged on axle housing outside the right side (10), and right turn device assembly (11) with Right wheel side reducer assembly (13) is hinged;The both ends of track rod (14) respectively with left steering joint arm (2) and right turn joint arm (12) hinged;Front axle housing body (8) both ends are hinged with left outside axle housing (4) and right outer axle housing (10) respectively, ensure left outside axle housing (4) there is relative rotation between right outer axle housing (10) and front axle housing body (8), to achieve the purpose that body gesture adjusts;Left outside bridge Shell (4) end is connect with revolver side reducer assembly (1), and left steering joint arm (2) is fixed on revolver side reducer assembly (1); Right outer axle housing (10) end is connect with right wheel side reducer assembly (13), and it is total that right turn joint arm (12) is fixed in right wheel side reducer At on (13);It is respectively equipped with left forked type adjustment arm (5) and right fork between left outside axle housing (4) and right outer axle housing (10) and bracket (6) Type adjusts arm (9);Left forked type adjustment arm (5) and right forked type adjustment arm (9) are placed in above front axle housing body (8);Left forked type adjustment Arm (5) both ends are hinged with bracket (6) and left outside axle housing (4) respectively, right forked type adjustment arm (9) both ends respectively with bracket (6) and the right side Outer axle housing (10) is hinged;
The shape design of each component part is:
The revolver side reducer assembly (1) is identical with right wheel side reducer assembly (13) structure, is symmetrically installed, they are By front side transmission level-one driving gear (35), front side transmission level-one driven gear (36), front side transmission two level driving gear (38), Front side is driven two level driven gear (31), front side transmission vertical shaft (37), steering arm shaft-cup (33), threeway shell (34), preceding driving side Drive shell (32), side drive shell lower cover (39), front side transfer driven gear hub (40), preceding driving side cover (41) and drive axle (30) compositions such as;Their mutual relationships are:Front side is driven level-one driving gear (35) and is driven level-one driven tooth with front side (36) engagement is taken turns, front side transmission level-one driven gear (36) is coupled with front side transmission vertical shaft (37) by spline, and front side transmission is vertical Axis (37) is supported in threeway shell (34) and preceding driving side drive shell (32);Steering arm shaft-cup (33) is fixed in threeway shell (34) On, before threeway shell (34) is supported on driving side drive shell (32);Driving side drive shell before side drive shell lower cover (39) is fixed in (32) bottom;It is driven vertical shaft (37) end in front side, it is logical with front side transmission vertical shaft (37) that front side is driven two level driving gear (38) Spline connection is crossed, front side transmission two level driving gear (38) is engaged with front side transmission two level driven gear (31);Front side transmission from Moving teeth wheel hub (40) is fixed on front side transmission two level driven gear (31), and driving side passes before preceding driving side cover (41) is fixed in On dynamic shell (32);Drive axle (30) is coupled with front side transfer driven gear hub (40) by spline, drive axle (30) bearing In preceding driving side cover (41);Their shape design is:
The front side transmission level-one driving gear (35) shape design be:Tapered shape gear;
The front side transmission level-one driven gear (36) shape design be:Tapered shape gear;
The front side transmission two level driving gear (38) shape design be:Tapered shape gear;
The front side transmission two level driven gear (31) shape design be:Tapered shape gear;
The front side transmission vertical shaft (37) shape design be:Cylindrical multi-diameter shaft;
The shape design of the steering arm shaft-cup (33) is:Its bottom is discoid, has one at disc-shaped structure geometric center A cylinder boss;
The shape design of the threeway shell (34) is:In hollow cylindrical, there are through-hole, top in top, bottom and side It mills out there are one plane, and is evenly equipped with 6 threaded holes, side mills out that there are one planes, is symmetrically distributed with 6 threaded holes;
The shape design of the preceding driving side drive shell (32) is:Hollow disk knot is inlayed for hollow cylindrical structure side Structure;
The shape design of the side drive shell lower cover (39) is:In lamellar;
The shape design of the front side transfer driven gear hub (40) is:In cone, it is provided with through-hole at geometric center, in hole Spline is milled out, edge is evenly equipped with 6 threaded holes;
This it is preceding driving side cover (41) shape design be:In cone, through-hole is provided at geometric center, edge is evenly equipped with 8 A threaded hole;
The shape design of the drive axle (30) is:Front end is discoid, and is evenly equipped with 6 threaded holes, disc-shaped structure Geometric center goes out to stretch out multi-diameter shaft;
The left steering joint arm (2) is identical with right turn joint arm (12) structure, is symmetrically installed, and is respectively and fixedly connected to revolver side and subtracts On fast device assembly (1) and right wheel side reducer assembly (13);
The shape design of the left steering joint arm (2) and right turn joint arm (12) is:The plate-like structure in bottom, and bottom symmetrical 4 threaded holes and 2 pin holes are distributed with, a hollow cylinder is linked together by bending platy structure, hollow cylinder side It is extended with arm structure, and bottom plate structure is also extended with arm structure;
The shape design of the left outside semiaxis (24) and right outer semiaxis (18) is:It is cylindrical;
The shape design of the left double cruciform shaft Hooks coupling universal coupling (23) and right double cruciform shaft Hooks coupling universal coupling (19) is:For WS type double cruciform shaft Hooks coupling universal couplings;
The shape design of the left inside semiaxis (22) and right inner shaft (20) is:It is cylindrical;
The differential assembly (21) is by 2 planetary gears【That is upper planetary gear (42) and lower planetary gear (46)】、2 A axle shaft gear【That is left half axle gear (47) and right axle shaft gear (44)】, differential casing (45) and planetary gear shaft (43) Deng composition;Their mutual relationships are:Upper planetary gear (42) and lower planetary gear (46) are separately mounted to planetary gear Axis (43) both ends, planetary gear shaft (43) be mounted on differential casing (45) on, left half axle gear (47) at the same with upper planet tooth (42) and lower planetary gear (46) is taken turns to engage, right axle shaft gear (44) and meanwhile with upper planetary gear (42) and lower planetary gear (46) Engagement;Their shape design is:
The shape design of the upper planetary gear (42) and lower planetary gear (46) is:Tapered shape gear;
The shape design of the left half axle gear (47) and right axle shaft gear (44) is:The tapered shape gear in one end, the other end For hollow cylindrical structure;
The shape design of the differential casing (45) is:In hollow cylindrical, both ends are through-hole;
The shape design of the planetary gear shaft (43) is:It is cylindrical;
The main gearbox assembly (17) is by transmission shaft (48), main reducing gear driving gear (50), main reducing gear driven tooth Take turns the compositions such as (51) and bearing block (49);Their mutual relationships are:Transmission shaft (48) is supported in bearing block (49), In transmission shaft (48) end, main accelerator driving gear (50) is coupled with transmission shaft (48) by spline, main accelerator driving tooth Wheel (50) is engaged with main reducing gear driven gear (51), and main reducing gear driven gear (51) is fixed on differential casing (45); Their shape design is:
The shape design of the transmission shaft (48) is:It is cylindrical;
The shape design of the main reducing gear driving gear (50) is:Tapered shape gear;
The shape design of the main reducing gear driven gear (51) is:Tapered shape gear;
The shape design of the bearing block (49) is:In hollow cylindrical, both ends are through-hole;
The left outside axle housing (4) is identical with right outer axle housing (10) structure, is symmetrically installed, shape design is:One end is in half Spherical, the other end is plate-like, and middle part is in prismatic, which is shell, and hemispherical configuration side is used for there are one supporting structure Hinged with steering assembly, there are one boss structures in the prism-shaped of middle part, for adjusting being hinged for arm with forked type;
The left steering device assembly (3) is identical with right turn device assembly (11) structure, is symmetrically installed, by steering cylinder (25) It is formed with piston rod (26);Their mutual relationships are:Steering cylinder (25) carries piston rod (26);Their shape Construction is:
The steering cylinder (25) is double acting hydraulic cylinder, and shape design is:Hollow cylinder;
The shape design of the piston rod (26) is:Their one end has piston, the other end to have hinge hole, the piston rod (26) Linear slide can be done in steering cylinder (25) inner cavity;
The domed structure of the bracket (6), 4 threaded holes and 4 location holes are distributed in bottom, front and back to be respectively distributed with 4 A threaded hole and 2 location holes, both sides are symmetrical there are one cylinder boss, the pivot angle for limiting front axle housing body (8);
The shape design of the front axle housing body (8) is:Middle part is in axle housing convex closure shape, and is had before axle housing convex closure shape structure outward Cylinder outstanding, for hinged with front front axle support (15);Rear portion is opening, and front axle housing body (8) arranged on left and right sides is to overhanging It is in prism structure to go out, and the end of prism structure is each symmetrical there are two cylinder boss, is used for and left outside axle housing (4) and right outer bridge Shell (10) are hinged, which is shell;
The track rod (14) is by left cross-bar connector (27), drag link body (28) and right cross-bar connector (29) group At;Relationship between them is:Left cross-bar connector (27), right cross-bar connector (29) respectively with drag link body (28) two It holds affixed;Their shape design is:
The left cross-bar connector (27) is identical with right cross-bar connector (29) structure, is symmetrically installed, and structure is open circles Cylinder, hollow cylinder side are equipped with ball stud;
The shape design of the drag link body (28) is:In cylinder;
The shape design of the front axle housing body end lid (16) is:Plate-like shape, edge are symmetrically distributed with 12 screw threads Hole;
The left forked type adjustment arm (5) is identical with the structure of right forked type adjustment arm (9), is symmetrically installed, shape design is in Forked type shape, it is each that end is held to be equipped with axis pin base chamber;
Front front axle support (15) agent structure is cylinder, and there are one pin shaft hole, its tops in the middle part of cylinder There is boss structure in portion, and 2 threaded holes and 2 cylinder boss are distributed on boss;
The agent structure of the rear portion front axle support (7) is cylinder, and there are one pin shaft hole, its tops in the middle part of cylinder There is boss structure in portion, and 2 threaded holes and 2 cylinder boss are distributed on boss.
3. advantage and effect
1. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, front axle housing body both can be opposite It swings, and can be relatively rotated with outer axle housing in bracket, ensure that front axle housing body can adapt to irregular road conditions or hillside fields automatically Etc. operating modes, and ensure body gesture self-level(l)ing.
2. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, between outer axle housing and bracket Hinged forked type adjusts arm, and outer axle housing can be made to relatively rotate with road condition change with preceding axle shell hinge joint, make both sides Front-wheel is relatively independent to be moved up and down, and the contact area of tire and ground is enhanced, and vehicle body is kept while adapting to road conditions automatically Stabilization.
3. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, track rod and preceding bridge it Between hinged quadrangularly, ensure that the adaptation road condition change that mechanism can stablize.
4. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, forked type adjustment arm is placed in Qian Qiao Above shell, the road clearance of bridge before can not influencing, it is forked type structure that forked type, which adjusts arm, and structural strength and rigidity are stronger.
5. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type of the present invention, front axle housing body are divided into three sections, The respectively front axle housing body of middle section, and the 2 outer axle housings hinged with front axle housing body, keep axle housing outside both sides mutual indepedent Move up and down, there is the ability of adaptively condition and the gradient.
6, structure of the invention design science, good manufacturability have application value.
Four, it illustrates
Fig. 1 is a kind of structural schematic diagram of embodiment of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is front axle housing body and the hinged structural schematic diagram of outer axle housing in Fig. 1.
Fig. 5 is the structural schematic diagram that front front axle support is connect with bracket.
Fig. 6 is the structural schematic diagram that rear portion front axle support is connect with bracket.
Fig. 7 is the structural schematic diagram of quadrangle attitude-adjusting system in Fig. 1.
Fig. 8 is the structural schematic diagram of steering in Fig. 1.
Fig. 9 is the structural schematic diagram of drive system in Fig. 1.
Figure 10 is the structural schematic diagram of steering assembly.
Figure 11 is the structural schematic diagram of track rod.
Figure 12 is the structural schematic diagram of hub reduction gear assembly.
Figure 13 is the structural schematic diagram of differential assembly.
Figure 14 is the structural schematic diagram of main gearbox assembly.
Figure 15 is the structural schematic diagram of preceding driving side drive shell (32).
Figure 16 is the structural schematic diagram of left steering joint arm (2).
Figure 17 is the structural schematic diagram of bracket (6).
Figure 18 is the structural schematic diagram of left forked type adjustment arm (5).
Figure 19 is the structural schematic diagram of front front axle support (15).
Figure 20 is the structural schematic diagram of rear portion front axle support (7).
Figure 21 is the structural schematic diagram of front axle housing body (8).
Figure 22 is the structural schematic diagram of left outside axle housing (4).
Specific parts label is as follows in figure:
1- revolver side reducer assemblies, 2- left steering joint arms, 3- left steering device assemblies, the left outside axle housings of 4-, the left forked type tune of 5- Whole arm, 6- brackets, the rear portions 7- front axle support, 8- front axle housing bodies, the right forked types of 9- adjust arm, the right outer axle housings of 10-, 11- right turn devices Assembly, 12- right turn joint arms, 13- right wheel side reducer assemblies, 14- track rods, the fronts 15- front axle support, bridge before 16- Housing end plug, 17- main gearbox assemblies, the right outer semiaxis of 18-, the right double cruciform shaft Hooks coupling universal couplings of 19-, the right inner shafts of 20-, 21- Differential assembly, the left inside semiaxis of 22-, the left double cruciform shaft Hooks coupling universal couplings of 23-, the left outside semiaxis of 24-, 25- steering cylinders, 26- live Stopper rod, the left cross-bar connectors of 27-, 28- drag link bodies, the right cross-bar connectors of 29-, 30- drive axles, the front sides 31- are driven two level Driven gear, driving side drive shell before 32-, 33- steering arm shaft-cups, 34- threeway shells are driven level-one driving gear on front side of 35-, It is driven level-one driven gear on front side of 36-, vertical shaft is driven on front side of 37-, two level driving gear, the sides 39- drive shell are driven on front side of 38- Lower cover, transfer driven gear hub on front side of 40- drive side cover, 42- upper planetary gears, 43- planetary gear shafts, 44- right half before 41- Shaft gear, 45- differential casings, 46- lower planetary gears, 47- left half axle gears, 48- transmission shafts, 49- bearing blocks, 50- master subtract Fast device driving gear, 51- main reducing gear driven gears;
Five, specific implementation mode
Below by drawings and examples, the present invention is further explained.In following elaborate, only pass through the side of explanation Formula describes certain exemplary embodiments of the present invention.Undoubtedly, those skilled in the art will recognize, not In the case of deviateing the spirit and scope of the present invention, the described embodiments may be modified in various different ways. Therefore, attached drawing and the essence of description are illustrative, are not intended to limit the scope of the claims.
As shown in Figure 1, 2, 3, a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type, including:Revolver side Speed reducer assembly 1, left steering joint arm 2, left steering device assembly 3, left outside axle housing 4, left forked type adjust arm 5, bracket 6, front axle housing body 8, right forked type adjustment arm 9, right outer axle housing 10, right turn device assembly 11, right turn joint arm 12, right wheel side reducer assembly 13, turn To drag link 14, front front axle support 15.Wherein, as shown in figure 4, front axle housing body 8 be banjo axle, both ends respectively with a left side Outer axle housing 4, right outer axle housing 10 are hinged.
As shown in Figure 5,6, it is front front axle support 15, the structural schematic diagram that rear portion front axle support 7 is connect with bracket 6, it is preceding Axle housing body 8 is hinged with front front axle support 15, and front front axle support 15 and bracket 6 are affixed, the bearing in main gearbox assembly 17 Seat 49 is supported in rear portion front axle support 7, and rear portion front axle support 7 and bracket 6 are affixed, ensures that front axle housing body 8 can be around bracket 6 It swings.
As shown in fig. 7,8 end of front axle housing body and right outer axle housing 10 are hinged, front axle housing body 8 and right outer axle housing 10 can be at them Hinge joint at relatively rotate.Bracket 6 and right forked type adjustment arm 9 are hinged, the other end and the right outer bridge of right forked type adjustment arm 9 Shell 10 is hinged, and front axle housing body 8, right outer axle housing 10, right forked type adjustment arm 9, bracket 6 are in hingedly quadrangle, constitute pose adjustment machine Structure ensures the stability of mechanism kinematic.
Similar with above-mentioned Fig. 7 structures, 8 end of front axle housing body is hinged with left outside axle housing 4, front axle housing body 8 and left outside axle housing 4 It can be relatively rotated at their hinge joint.Bracket 6 and left forked type adjustment arm 5 are hinged, the other end of left forked type adjustment arm 5 Hinged with left outside axle housing 4, front axle housing body 8, left outside axle housing 4, left forked type adjustment arm 5, bracket 6 are in hingedly quadrangle, constitute posture Adjustment mechanism ensures the stability of mechanism kinematic.
Above-mentioned apparatus ensure that, on irregular ground or hillside fields etc. when road conditions, since front axle housing body 8 can be relative to support Frame 6 is swung, right outer axle housing 10 (or left outside axle housing 4) can with the hinge joint of front axle housing body 8 at relatively rotate, then the outer bridge in the right side Condition changes and is adjusted angle of the shell 10 (or left outside axle housing 4) between front axle housing body 8 everywhere, ensures that right wheel side reducer is total Relatively independent move up and down so that it can coordinate the body gesture of heavy grade certainly is done at 13 (or revolver side reducer assemblies 1) Leveling, and it is adapted to irregular ground, and the contact area on tire and ground can be enhanced, enhance driving safety and traveling Stability.
As shown in figure 8, right outer 10 end of axle housing and right wheel side reducer assembly 13 are affixed, right turn joint arm 12 is fixed in On right wheel side reducer assembly 13, right turn joint arm 12 and right wheel side reducer assembly 13 around front side transmission vertical shaft 37 relative to Right outer axle housing 10 rotates.4 end of left outside axle housing and revolver side reducer assembly 1 are affixed, and left steering joint arm 2 is fixed in revolver side On speed reducer assembly 1, left steering joint arm 2 and revolver side reducer assembly 1 can be rotated relative to left outside axle housing 4.Right turn joint arm Track rod 14 is equipped between 12 and left steering joint arm 2, the left cross-bar connector 27, right drag link in track rod 14 connect First 29 is hinged with left steering joint arm 2 and right turn joint arm 12 respectively.When steering wheel rotation, left steering device assembly 3 drives revolver side Speed reducer assembly 1 is rotated around front side transmission vertical shaft 37 relative to left outside axle housing 4, and right turn device assembly 11 drives right wheel side reducer Assembly 13 is rotated relative to right outer axle housing 10, realizes the steering of vehicle.Wherein steering wheel and steering mechanism are the prior art, herein It repeats no more.
As shown in figure 9, front axle housing body 8 in be equipped with main gearbox assembly 17 and differential assembly 21, left inside semiaxis 22 with it is poor Left half axle gear 47 in fast device assembly 21 is coupled by spline, 22 other end of left inside semiaxis and left double cruciform shaft Hooks coupling universal coupling 23 is affixed, and one end of left 23 other end of double cruciform shaft Hooks coupling universal coupling and left outside semiaxis 24 is affixed, 24 other end of left outside semiaxis with The front side transmission level-one driving gear 35 of revolver side reducer assembly 1 couples, right inner shaft 20 and the right side in differential assembly 21 Axle shaft gear 44 is coupled by spline, and 20 other end of right inner shaft and right double cruciform shaft Hooks coupling universal coupling 19 are affixed, right diesis 19 other end of axis Hooks coupling universal coupling and one end of right outer semiaxis 18 are affixed, and right outer 18 other end of semiaxis and right wheel side reducer are total At 13 connections, power is transmitted to main reducing gear driving gear 50 by the transmission shaft 48 in main gearbox assembly 17, is subtracted by master Fast device driving gear 50 is engaged with main reducing gear driven gear 51, transfers power to main reducing gear driven gear 51 and differential On device assembly 21, power is transmitted to left inside semiaxis 22 and right inner shaft 20 respectively by left half axle gear 47, right axle shaft gear 44 again On, power is transmitted to left outside semiaxis 24 and the right side by left double cruciform shaft Hooks coupling universal coupling 23, right double cruciform shaft Hooks coupling universal coupling 19 On outer semiaxis 18, then it is transmitted in revolver side reducer assembly 1 and right wheel side reducer assembly 13, it is dynamic by being exported after deceleration Power.
It is the structural schematic diagram of steering assembly as shown in Figure 10, if 25 show steering cylinder in Figure 10, in Figure 10 26 show piston rod;
Figure 11 is the structural schematic diagram of track rod, if 27 show left cross-bar connector in Figure 11, as 28 in Figure 11 It is shown drag link body, as 29 show right cross-bar connector in Figure 11;
It is the structural schematic diagram of hub reduction gear assembly as shown in figure 12, left outside semiaxis 24 is driven one by spline and front side Grade driving gear 35 couples, and front side transmission level-one driving gear 35 is engaged with front side transmission level-one driven gear 36, front side transmission Level-one driven gear 36 is coupled with front side transmission vertical shaft 37 by spline, and front side is driven vertical shaft 37 and is driven two level driving tooth with front side Wheel 38 is coupled by spline, and front side transmission vertical shaft 37 is supported in threeway shell 34 and preceding driving side drive shell 32,34, threeway shell It holds on preceding driving side drive shell 32, steering arm shaft-cup 33 is fixed in the top of threeway shell 34, and side drive shell lower cover 39 is fixed in The bottom of preceding driving side drive shell 32, front side transmission two level driving gear 38 is engaged with front side transmission two level driven gear 31, preceding Side transfer driven gear hub 40 and front side transmission two level driven gear 31 are affixed, driving side transmission before preceding driving side cover 41 is fixed in On shell 32, drive axle 30 is coupled with front side transfer driven gear hub 40 by spline, and drive axle 30 is supported on preceding driving In side cover 41;Power from left outside semiaxis 24 input, by front side be driven primary speed-down after, then by front side be driven double reduction after It is transmitted to front side transmission two level driven gear 31 and front side transfer driven gear hub 40, it is defeated that power is transmitted to drive axle 30 again Go out.
It is the structural schematic diagram of differential assembly 21 as shown in figure 13, if 42 show upper planetary gear in Figure 13, such as schemes 43 show planetary gear shaft in 13, if 44 show right axle shaft gear in Figure 13, if 45 show differential casing in Figure 13, If 46 show lower planetary gear in Figure 13, as 47 show left half axle gear in Figure 13;
It is the structural schematic diagram of main gearbox assembly 17 as shown in figure 14, if 21 show differential assembly in Figure 14, such as 48 show transmission shaft in Figure 14, if 49 show bearing block in Figure 14, if 50 show main reducing gear driving gear in Figure 14, As 51 show main reducing gear driven gear in Figure 14;;
It is the structural schematic diagram of preceding driving side drive shell (32) as shown in figure 15;
It is the structural schematic diagram of left steering joint arm (2) as shown in figure 16;
It is the structural schematic diagram of bracket (6) as shown in figure 17;
It is the structural schematic diagram that left forked type adjusts arm (5) as shown in figure 18;
It is the structural schematic diagram of front front axle support (15) as shown in figure 19;
It is the structural schematic diagram of rear portion front axle support (7) as shown in figure 20;
It is the structural schematic diagram of front axle housing body (8) as shown in figure 21;
It is the structural schematic diagram of left outside axle housing (4) as shown in figure 22.

Claims (10)

1. a kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type, it is characterised in that:It is by 2 hub reductions Device assembly, that is, revolver side reducer assembly (1) and right wheel side reducer assembly (13), 2 knuckle arms, that is, left steering joint arm (2) It is with right turn joint arm (12), 2 steering assemblies, that is, left steering device assembly (3) and right turn device assembly (11), 2 outer axle housings Left outside axle housing (4) and right outer axle housing (10), 2 forked type adjustment arm, that is, left forked type adjustment arms (5) and right forked type adjustment arm (9), support Frame (6), rear portion front axle support (7), front axle housing body (8), track rod (14), front front axle support (15), front axle housing body end Lid (16), main gearbox assembly (17), 2 outer semiaxis, that is, left outside semiaxis (24) and right outer semiaxis (18), 2 double cruciform shafts are universal Shaft coupling, that is, left double cruciform shaft Hooks coupling universal coupling (23) and right double cruciform shaft Hooks coupling universal coupling (19), 2 inner shafts, that is, left inside half Axis (22) and right inner shaft (20), differential assembly (21) composition;
Their mutual relationships are:Main gearbox assembly (17) is fixed on front axle housing body end lid (16), front axle housing body end It covers (16) and front axle housing body (8) is affixed;Main reducing gear driving gear (50) in main gearbox assembly (17) and main reducing gear from Moving gear (51) engages, and main reducing gear driven gear (51) is fixed on the differential casing (45) in differential assembly (21); Left inside semiaxis (22) and right inner shaft (20) respectively with the left half axle gear (47) and right axle shaft gear in differential assembly (21) (44) it connects;Left inside semiaxis (22) connect with left double cruciform shaft Hooks coupling universal coupling (23) one end, left double cruciform shaft Hooks coupling universal coupling (23) other end is connect with left outside semiaxis (24) one end;Left outside semiaxis (24) other end and a left side in revolver side reducer assembly (1) Front side is driven level-one driving gear (35) and couples;Left outside semiaxis (24) and left inside semiaxis (22) are supported in front axle housing body (8) It is interior;Right inner shaft (20) connect with right double cruciform shaft Hooks coupling universal coupling (19) one end, and right double cruciform shaft Hooks coupling universal coupling (19) is another One end is connect with right outer semiaxis (18) one end;Right outer semiaxis (18) other end couples with right wheel side reducer assembly (13), right outer Semiaxis (18) and right inner shaft (20) are supported in front axle housing body (8);Front axle housing body (8) is cut with scissors with front front axle support (15) It connects;Rear portion front axle support (7) supports the bearing block (49) in main gearbox assembly (17), middle front part front axle support (15) and after Portion's front axle support (7) is affixed with bracket (6), ensures that front axle housing body (8) can be swung relative to bracket (6);Left steering device assembly (3) it is hinged on left outside axle housing (4), and one end of the piston rod (26) in left steering device assembly (3) and revolver side reducer are total It is hinged at (1);Right turn device assembly (11) is hinged on axle housing outside the right side (10), and right turn device assembly (11) and right hub reduction Device assembly (13) is hinged;The both ends of track rod (14) are hinged with left steering joint arm (2) and right turn joint arm (12) respectively;Institute It is hinged with left outside axle housing (4) and right outer axle housing (10) respectively to state front axle housing body (8) both ends, ensures left outside axle housing (4) and right outer bridge There is relative rotation between shell (10) and front axle housing body (8), to achieve the purpose that body gesture adjusts;Left outside axle housing (4) end with Revolver side reducer assembly (1) connects, and left steering joint arm (2) is fixed on revolver side reducer assembly (1);Right outer axle housing (10) End is connect with right wheel side reducer assembly (13), and right turn joint arm (12) is fixed on right wheel side reducer assembly (13);It is left It is respectively equipped with left forked type adjustment arm (5) and right forked type adjustment arm (9) between outer axle housing (4) and right outer axle housing (10) and bracket (6); Left forked type adjustment arm (5) and right forked type adjustment arm (9) are placed in above front axle housing body (8);Left forked type adjustment arm (5) both ends difference Hinged with bracket (6) and left outside axle housing (4), right forked type adjustment arm (9) both ends are cut with scissors with bracket (6) and right outer axle housing (10) respectively It connects;
The shape design of each component part is:
The revolver side reducer assembly (1) is identical with right wheel side reducer assembly (13) structure, is symmetrically installed, they are by preceding Side is driven level-one driving gear (35), front side transmission level-one driven gear (36), front side transmission two level driving gear (38), front side It is driven two level driven gear (31), front side transmission vertical shaft (37), steering arm shaft-cup (33), threeway shell (34), the transmission of preceding driving side Shell (32), side drive shell lower cover (39), front side transfer driven gear hub (40), preceding driving side cover (41) and drive axle (30) group At;Their mutual relationships are:Front side transmission level-one driving gear (35) is nibbled with front side transmission level-one driven gear (36) It closes, front side transmission level-one driven gear (36) is coupled with front side transmission vertical shaft (37) by spline, and front side is driven vertical shaft (37) and props up It holds in threeway shell (34) and preceding driving side drive shell (32);Steering arm shaft-cup (33) is fixed on threeway shell (34), threeway shell (34) before being supported on driving side drive shell (32);Side drive shell lower cover (39) is fixed in preceding driving side drive shell (32) bottom; It is driven vertical shaft (37) end in front side, front side transmission two level driving gear (38) is joined with front side transmission vertical shaft (37) by spline It connects, front side transmission two level driving gear (38) is engaged with front side transmission two level driven gear (31);Front side transfer driven gear hub (40) it is fixed on front side transmission two level driven gear (31), preceding driving side cover (41) is fixed in preceding driving side drive shell (32) On;Drive axle (30) is coupled with front side transfer driven gear hub (40) by spline, and drive axle (30) is supported on preceding driving In side cover (41);Their shape design is:
The front side is driven level-one driving gear (35) tapered shape gear;
The front side is driven level-one driven gear (36) tapered shape gear;
The front side is driven two level driving gear (38) tapered shape gear;
The front side is driven two level driven gear (31) tapered shape gear;
The front side is driven vertical shaft (37) cylindrical multi-diameter shaft;
The bottom of the steering arm shaft-cup (33) is discoid, and there are one cylinder boss at disc-shaped structure geometric center;
The threeway shell (34) is in hollow cylindrical, and top, bottom and side have through-hole, top to mill out plane, and uniformly distributed There are threaded hole, side to mill out plane, is symmetrically distributed with threaded hole;
The preceding driving side drive shell (32) is that hollow disc structure is inlayed in hollow cylindrical structure side;
The side drive shell lower cover (39) is in lamellar;
The front side transfer driven gear hub (40) is in cone, is provided with through-hole at geometric center, spline is milled out in hole, edge is uniformly distributed There is threaded hole;
The preceding driving side cover (41) is in cone, is provided with through-hole at geometric center, edge is evenly equipped with threaded hole;
The front end of the drive axle (30) is discoid, and is evenly equipped with threaded hole, and disc-shaped structure geometric center goes out to stretch out ladder Axis;
The left steering joint arm (2) is identical with right turn joint arm (12) structure, is symmetrically installed, is respectively and fixedly connected to revolver side reducer On assembly (1) and right wheel side reducer assembly (13);
The plate-like structure in bottom of the left steering joint arm (2) and right turn joint arm (12), and bottom symmetrical be distributed with threaded hole and Pin hole, a hollow cylinder are linked together by bending platy structure, and hollow cylinder side is extended with arm structure, and bottom Platy structure is also extended with arm structure;
The left outside semiaxis (24) and right outer semiaxis (18) are cylindrical;
The left double cruciform shaft Hooks coupling universal coupling (23) and right double cruciform shaft Hooks coupling universal coupling (19) are that WS type double cruciform shafts are universal Shaft coupling;
The left inside semiaxis (22) and right inner shaft (20) are cylindrical;
The differential assembly (21) is by 2 planetary gear, that is, upper planetary gears (42) and lower planetary gear (46), 2 half axle gears Wheel is left half axle gear (47) and right axle shaft gear (44), differential casing (45) and planetary gear shaft (43) composition;Their phases Mutually between relationship be:Upper planetary gear (42) and lower planetary gear (46) are separately mounted to planetary gear shaft (43) both ends, row Star gear shaft (43) be mounted on differential casing (45) on, left half axle gear (47) at the same with upper planetary gear (42) and lower planet Gear (46) engages, and right axle shaft gear (44) while being engaged with upper planetary gear (42) and lower planetary gear (46);Their shape Columnar structure is:
The upper planetary gear (42) and the tapered shape gear of lower planetary gear (46);
The tapered shape gear in one end of the left half axle gear (47) and right axle shaft gear (44), the other end are hollow cylinder knot Structure;
The differential casing (45) is in hollow cylindrical, and both ends are through-hole;
The planetary gear shaft (43) is cylindrical;
The main gearbox assembly (17) is by transmission shaft (48), main reducing gear driving gear (50), main reducing gear driven gear (51) it is formed with bearing block (49);Their mutual relationships are:Transmission shaft (48) is supported in bearing block (49), is being driven Axis (48) end, main accelerator driving gear (50) are coupled with transmission shaft (48) by spline, main accelerator driving gear (50) It is engaged with main reducing gear driven gear (51), main reducing gear driven gear (51) is fixed on differential casing (45);They Shape design is:
The transmission shaft (48) is cylindrical;
The tapered shape gear of main reducing gear driving gear (50);
The tapered shape gear of main reducing gear driven gear (51);
The bearing block (49) is in hollow cylindrical, and both ends are through-hole;
The left outside axle housing (4) is identical with right outer axle housing (10) structure, is symmetrically installed, and one end is in hemispherical, and the other end is in plate Shape, middle part are in prismatic, which is shell, and hemispherical configuration side is used for there are one supporting structure and steering assembly is cut with scissors It connects, there are one boss structures in the prism-shaped of middle part, for adjusting being hinged for arm with forked type;
The left steering device assembly (3) is identical with right turn device assembly (11) structure, is symmetrically installed, and by steering cylinder (25) and lives Stopper rod (26) forms;The steering cylinder (25) carries piston rod (26);Their shape design is:The steering cylinder (25) is Double acting hydraulic cylinder is hollow cylinder;
One end of the piston rod (26) has piston, the other end to have hinge hole, which can be in steering cylinder (25) inner cavity Do linear slide;
The domed structure of the bracket (6), threaded hole and location hole is distributed in bottom, front and back that threaded hole and positioning is respectively distributed with Hole, both sides are symmetrically distributed with cylinder boss, the pivot angle for limiting front axle housing body (8);
The middle part of the front axle housing body (8) is in axle housing convex closure shape, and has outwardly projecting cylinder before axle housing convex closure shape structure, is used In hinged with front front axle support (15);Rear portion is opening, and protruding front axle housing body (8) arranged on left and right sides is in prism structure, rib The end of rod structure is each symmetrical there are two cylinder boss, for being hinged with left outside axle housing (4) and right outer axle housing (10), this Structure is shell;
The track rod (14) is made of left cross-bar connector (27), drag link body (28) and right cross-bar connector (29); Left cross-bar connector (27), right cross-bar connector (29) are affixed with the both ends of drag link body (28) respectively;Their shape design It is:
The left cross-bar connector (27) is identical with right cross-bar connector (29) structure, is symmetrically installed, and structure is hollow cylinder, Hollow cylinder side is equipped with ball stud;
The drag link body (28) is in cylinder;
The plate-like shape of the front axle housing body end lid (16), edge is symmetrically distributed with threaded hole;
The left forked type adjustment arm (5) is identical with the structure of right forked type adjustment arm (9), is symmetrically installed, and shape is in forked type shape, respectively End is held to be equipped with axis pin base chamber;
Front front axle support (15) agent structure is cylinder, and has pin shaft hole in the middle part of cylinder, has boss at the top of it Threaded hole and cylinder boss is distributed on boss in structure;
The agent structure of the rear portion front axle support (7) is cylinder, and has pin shaft hole in the middle part of cylinder, has boss at the top of it Threaded hole and cylinder boss is distributed on boss in structure.
2. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:This is in the threeway shell (34) of hollow cylindrical, and through-hole arranged at top, bottom and side, and top mills out that there are one planes, and It is evenly equipped with 6 threaded holes, side mills out that there are one planes, is symmetrically distributed with 6 threaded holes.
3. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:This is in the front side transfer driven gear hub (40) of cone, is provided with through-hole at geometric center, spline is milled out in hole, edge is equal It is furnished with 6 threaded holes.
4. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:This is in the preceding driving side cover (41) of cone, is provided with through-hole at geometric center, edge is evenly equipped with 8 threaded holes.
5. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:The front end is discoid drive axle (30), is evenly equipped with 6 threaded holes, disc-shaped structure geometric center goes out to stretch out ladder Axis.
6. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:The plate-like structure in bottom of the left steering joint arm (2) and right turn joint arm (12), and 4 threaded holes are distributed in bottom symmetrical With 2 pin holes.
7. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:The bracket (6) of the domed structure, 4 threaded holes and 4 location holes are distributed in bottom, front and back that 4 spiral shells are respectively distributed with Pit and 2 location holes, both sides are symmetrical there are one cylinder boss, the pivot angle for limiting front axle housing body (8).
8. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:The front axle housing body end lid (16) of the plate-like shape, edge are symmetrically distributed with 12 threaded holes.
9. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:Front front axle support (15) agent structure is cylinder, and there are one pin shaft hole in the middle part of cylinder, is had at the top of it convex 2 threaded holes and 2 cylinder boss are distributed on boss in platform structure.
10. a kind of double hydraulic cylinder power-assisted steering drive axle being adjusted arm using forked type according to claim 1, feature are existed In:The agent structure of the rear portion front axle support (7) is cylinder, and there are one pin shaft hole in the middle part of cylinder, is had at the top of it 2 threaded holes and 2 cylinder boss are distributed on boss in boss structure.
CN201810204687.9A 2018-03-13 2018-03-13 A kind of double hydraulic cylinder power-assisted steering drive axle adjusting arm using forked type Pending CN108608806A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109823118A (en) * 2019-03-26 2019-05-31 泰州神舟传动科技有限公司 A kind of 150HP farm tractor front axle assembly
CN111267550A (en) * 2020-03-31 2020-06-12 张成龙 Steering bearing axle
CN114030320A (en) * 2021-12-28 2022-02-11 烟台方惠机械制造有限公司 Large-rotation-angle driving steering axle

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CN205736672U (en) * 2016-07-06 2016-11-30 烟台天宏齿轮箱制造有限公司 A kind of front drive axle of tractor
CN107225913A (en) * 2017-05-31 2017-10-03 北京航空航天大学 A kind of steering and driving axle of high-clearance

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GB2087327A (en) * 1980-11-18 1982-05-26 County Commercial Cars Ltd Self-propelled vehicle
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CN101700739A (en) * 2009-11-24 2010-05-05 潍坊前进齿轮箱有限公司 Steering drive axle of wheel type harvester
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109823118A (en) * 2019-03-26 2019-05-31 泰州神舟传动科技有限公司 A kind of 150HP farm tractor front axle assembly
CN111267550A (en) * 2020-03-31 2020-06-12 张成龙 Steering bearing axle
CN114030320A (en) * 2021-12-28 2022-02-11 烟台方惠机械制造有限公司 Large-rotation-angle driving steering axle
CN114030320B (en) * 2021-12-28 2024-05-31 青岛唐宇机械制造有限公司 Large-rotation-angle driving steering axle

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Application publication date: 20181002