CN109130745B - Four-wheel-drive off-road vehicle with wheel adjustment linkage mechanism - Google Patents
Four-wheel-drive off-road vehicle with wheel adjustment linkage mechanism Download PDFInfo
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- CN109130745B CN109130745B CN201810962169.3A CN201810962169A CN109130745B CN 109130745 B CN109130745 B CN 109130745B CN 201810962169 A CN201810962169 A CN 201810962169A CN 109130745 B CN109130745 B CN 109130745B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
- B60G3/207—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid the arms being essentially parallel to the longitudinal axis of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8302—Mechanical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/07—Off-road vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention aims to provide a four-wheel drive off-road vehicle with a wheel adjusting linkage mechanism. The technical scheme of the invention is as follows: including frame, car seat, steering wheel, steering column, turn to driving gear, front wheel and adjust aggregate unit and rear wheel and adjust aggregate unit, its characterized in that: the front wheel adjusting linkage device comprises a front wheel swinging cross beam, a steering driven gear, two front wheel longitudinal connecting arms, two front wheel transverse connecting arms, two front driving wheels, two front swinging pull rods and two front steering pull rods, wherein each front wheel longitudinal connecting arm is provided with a front swinging connecting joint and a front damping connecting joint, and the structure of the rear wheel adjusting linkage device is similar to that of the front wheel adjusting linkage device. The wheel connecting arm of the off-road vehicle is based on the adjusting linkage mechanism, the front wheel and the rear wheel can be adjusted to swing up and down and left and right according to the terrain condition so as to adapt to the terrain, and the vibration is effectively avoided, so that the whole vehicle body can be free from the influence of the complex terrain, friction and impulsive force are reduced, and the stable driving state of the vehicle body is further maintained.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a four-wheel-drive off-road vehicle with a wheel adjusting linkage mechanism.
Background
The continuous development of modern society and daily and moon life changes greatly improve the living standard and the living quality of people, and the off-road vehicle becomes a more common transportation tool in our lives. As people going out and playing on holidays get more and more, off-road vehicles in various modes are layered, and particularly in various rugged roads and desert walks, off-road vehicles for recreational properties are most favored and welcome by people, but off-road vehicles on the market at present can only basically traverse relatively complex roads and cannot achieve off-road in a real sense. For climbing, the existing off-road vehicle can only pass over a relatively small gradient, and for mountain roads with a relatively large gradient, the existing off-road vehicle cannot pass over easily at all, so that a driver must carefully drive, and if the driver is careless, the vehicle can turn over, and great damage is caused to people; for the rugged road surface, the existing off-road vehicle can only reduce the vibration of the vehicle body to a certain extent, so that a driver is in a tension environment and is easy to produce fatigue driving; the four-wheel connecting support structure is not greatly improved in the aspect of structure, the four-wheel connecting support structure is in a uniform immobilization mode, so that the damping effect is not effectively improved, the four-wheel connecting support structure is not improved in the aspect of road surface driving, the driving loss and the performance are not improved, particularly, the height of the whole vehicle body is changed according to the road surface, the gravity center of the whole vehicle body is rocked, the traveling mode of the four-wheel connecting arm cannot be changed according to road conditions, the vehicle is limited in an intangible way, the vehicle cannot adapt to the traveling of various complex terrains, the friction between supporting parts of the vehicle is enhanced, the received impact is more severe, and the stability and the safety of the whole vehicle body are not effectively ensured.
Disclosure of Invention
The invention aims to provide a four-wheel-drive off-road vehicle with a wheel adjusting linkage mechanism, which can adjust the left-right swing and the height of front and rear wheels to adapt to the terrain according to the terrain condition in the running process of the vehicle, and effectively shock-proof, so that the whole vehicle body can be free from the influence of complex terrain, further a driver can keep a stable driving state in the vehicle body, and the running performance is improved by changing the wheel connection state.
The technical scheme of the invention is as follows: the utility model provides a four-wheel drive cross country vehicle with wheel adjustment link gear, includes frame, car seat, steering wheel, steering rod, turns to the driving gear, front wheel adjustment aggregate unit and rear wheel adjustment aggregate unit, the car seat is located the middle part of frame, car seat and frame are fixed connection, the steering wheel is located the upper portion of front wheel adjustment aggregate unit, steering wheel and steering rod are fixed connection, the steering rod is located between steering wheel and the driving gear that turns to, steering rod and frame are fixed connection, one end and the steering wheel of steering rod are fixed connection, the other end and the driving gear that turns to of steering rod are fixed connection, front wheel adjustment aggregate unit is located the lower part of steering wheel, front wheel adjustment aggregate unit and frame are fixed connection, rear wheel adjustment aggregate unit is located one side of front wheel adjustment aggregate unit in parallel, rear wheel adjustment aggregate unit and frame are fixed connection, its characterized in that: the front wheel adjusting linkage device comprises a front wheel swinging cross beam, a steering driven gear, two front wheel longitudinal connecting arms, two front wheel transverse connecting arms, two front driving wheels, two front swinging pull rods and two front steering pull rods, wherein the front wheel swinging cross beam is positioned at the lower part of the steering wheel and is close to the position of the steering driving gear, the front wheel swinging cross beam is fixedly connected with a frame, the steering driven gear is positioned at the middle part of the front wheel swinging cross beam, the steering driven gear is fixedly connected with the front wheel swinging cross beam, the two front wheel longitudinal connecting arms are respectively positioned at two ends of the front wheel swinging cross beam in parallel and are respectively positioned at two sides of the frame, the two front wheel longitudinal connecting arms are fixedly connected with the front wheel swinging cross beam, the two front wheel transverse connecting arms are respectively positioned at the lower part of each front wheel longitudinal connecting arm, the front wheel transverse connecting arm and the front wheel longitudinal connecting arm are fixedly connected, the two front driving wheels are respectively positioned at one end of the front wheel transverse connecting arm, the front driving wheels are fixedly connected with the front wheel transverse connecting arm, any front driving wheel is also provided with a front wheel brake disc, the front wheel brake disc is positioned between the front wheel transverse connecting arm and the front driving wheels, the front wheel brake disc is fixedly connected with the front driving wheels, any front swinging pull rod is positioned at one side of the front wheel longitudinal connecting arm, one end of the front swinging pull rod is fixedly connected with the front wheel longitudinal connecting arm, the other end of the front swinging pull rod is fixedly connected with a steering driving gear, any front steering pull rod is positioned at the other side of the front wheel longitudinal connecting arm, one end of the front steering pull rod is fixedly connected with a steering driven gear, the other end of the front steering pull rod is fixedly connected with a front shock absorption connecting joint, the rear wheel adjusting linkage device comprises a rear wheel swinging cross beam, a rear wheel swinging connecting shaft, two rear wheel longitudinal connecting arms, two rear wheel transverse connecting arms, two rear drive wheels, two rear swinging pull rods and two rear steering pull rods, wherein the rear wheel swinging cross beam is positioned at one side of a vehicle seat, the rear wheel swinging cross beam is fixedly connected with a vehicle frame, the rear wheel swinging connecting shaft is positioned in the middle of the rear wheel swinging cross beam, the rear wheel swinging connecting shaft is fixedly connected with the rear wheel swinging cross beam, the two rear wheel longitudinal connecting arms are respectively positioned at two ends of the rear wheel swinging cross beam in parallel and are respectively positioned at two sides of a vehicle frame, the two rear wheel longitudinal connecting arms are respectively positioned at the lower part of each rear wheel longitudinal connecting arm, the rear wheel transverse connecting arms are fixedly connected with the rear wheel longitudinal connecting arms, the rear drive wheels are respectively positioned at one ends of the rear wheel transverse connecting arms, any rear drive wheels are fixedly connected with the rear wheel swinging connecting arms, any rear wheel swinging connecting arms are arranged on one side of the rear wheel swinging pull rods, the rear wheel swinging pull rods are respectively positioned at the other side of the rear wheel swinging connecting arms, the rear wheel swinging connecting arms are fixedly connected with one side of the rear wheel swinging pull rods, the rear wheel swinging pull rods are respectively positioned at the other side of the rear wheel swinging longitudinal connecting shafts, and are fixedly connected with one side of the rear wheel swinging connecting rods, and the rear wheel swinging arms are respectively positioned at the other side of the rear wheel swinging connecting ends, and are fixedly connected with one side of the rear wheel swing arms respectively, and the rear wheel swing arms respectively connected with the rear wheel swing, and the rear wheel swing arms, and the rear wheels are respectively. The other end of the rear steering pull rod is fixedly connected with a rear shock absorption connecting joint.
Further, any front wheel longitudinal connecting arm is further provided with a front swing connecting joint and a front shock absorption connecting joint, the front swing connecting joint is located at the position of the front wheel longitudinal connecting arm and the front wheel swing beam, the front swing connecting joint connects the front wheel longitudinal connecting arm and the front wheel swing beam, the front shock absorption connecting joint is located at the connecting position of the front wheel longitudinal connecting arm and the front wheel transverse connecting arm, and the front shock absorption connecting joint connects the front wheel longitudinal connecting arm and the front wheel transverse connecting arm.
Further, any front wheel damping springs are further arranged on the front wheel transverse connecting arms, the front wheel damping springs are located between the front damping connecting joints and the front wheel transverse connecting arms, one ends of the front wheel damping springs are fixedly connected with the front damping connecting joints, and the other ends of the front wheel damping springs are fixedly connected with the front wheel transverse connecting arms.
Further, a front steering rod fixing ring is further arranged on any front steering rod, the front steering rod penetrates through the front steering rod fixing ring to be connected, the front steering rod fixing ring is located at the lower portion of the front wheel swing beam, and the front steering rod fixing ring is fixedly connected with the front wheel swing beam.
Further, any rear wheel longitudinal connecting arm is further provided with a rear swing connecting joint and a rear shock absorption connecting joint, the rear swing connecting joint is located at the position of the rear wheel longitudinal connecting arm and the rear wheel swing beam, the rear swing connecting joint connects the rear wheel longitudinal connecting arm and the rear wheel swing beam, the rear shock absorption connecting joint is located at the connecting position of the rear wheel longitudinal connecting arm and the rear wheel transverse connecting arm, and the rear shock absorption connecting joint connects the rear wheel longitudinal connecting arm and the rear wheel transverse connecting arm.
Further, any rear wheel damping spring is further arranged on the rear wheel transverse connecting arm, the rear wheel damping spring is located between the rear damping connecting joint and the rear wheel transverse connecting arm, one end of the rear wheel damping spring is fixedly connected with the rear damping connecting joint, and the other end of the rear wheel damping spring is fixedly connected with the rear wheel transverse connecting arm.
Further, any of the rear steering tie rods is further provided with a rear steering tie rod fixing ring, the rear steering tie rods penetrate through the rear steering tie rod fixing ring to be connected, the rear steering tie rod fixing ring is located at the lower portion of the rear wheel swing beam, and the rear steering tie rod fixing ring is fixedly connected with the rear wheel swing beam.
Further, the frame is an integrally formed steel casting, so that the whole frame is firmer and firmer, the rear wheel swing connecting shaft is a ball bearing, the rear wheel swing beam is convenient to freely and flexibly make the same actions along with the swing of the front wheel swing beam in the running process of the vehicle, and the whole state of the vehicle is kept consistent.
Further, front wheel swing crossbeam, rear wheel swing crossbeam are both the both sides and upwarp formula arc square beam, and this kind of structure makes the both ends of front wheel swing crossbeam to and the swing joint position at the both ends of rear wheel swing crossbeam be difficult for deformation, and then make things convenient for two front wheel longitudinal connecting arms, and the removal of two rear wheel longitudinal connecting arms in the horizontal direction.
Still further, preceding swing joint, back swing joint are the single bearing and connect the rotary joint, and then make things convenient for the horizontal rotation of two front wheel longitudinal connecting arms and two back wheel longitudinal connecting arms, preceding shock attenuation joint, back shock attenuation joint are the dual bearing and connect the rotary joint, and they can make the front wheel longitudinal connecting arm and the front wheel transverse connecting arm that connect respectively between, and the range of motion between back wheel longitudinal connecting arm and the back wheel transverse connecting arm increases.
The invention has the beneficial effects that: the four-wheel-drive off-road vehicle is provided with the wheel adjusting linkage mechanism, can adjust the left-right swing and the height of the front wheel and the rear wheel according to the terrain condition in the running process of the vehicle so as to adapt to the terrain, and effectively avoid shock, so that the whole vehicle body can be free from the influence of complex terrain, and further a driver can keep a stable driving state in the vehicle body, and meanwhile, the running performance is improved by changing the connection state of the wheels. The two ends of the front wheel swinging cross beam and the rear wheel swinging cross beam of the cross-country vehicle are designed to be provided with arc-shaped upturned structures, compared with a horizontal structure, stress points are dispersed more, so that the two ends of the front wheel swinging cross beam and the movable connection parts of the two ends of the rear wheel swinging cross beam are not easy to deform, the two front wheel longitudinal connecting arms and the two rear wheel longitudinal connecting arms are convenient to rotate in the horizontal direction, each front swing connecting joint and each rear swing connecting joint are connected with a rotary joint through a single bearing, each front shock absorption connecting joint and each rear shock absorption connecting joint are connected with a rotary joint through double bearings, the movable range of the whole wheel connecting arm is enlarged, in addition, each front wheel transverse connecting arm is also provided with a front wheel shock absorption spring, when the vehicle runs through a bumpy road section, the front wheel transverse connecting arm floats more normally, the safety is enhanced, the front shock absorption connecting joints are also supported in an auxiliary manner, and the friction of the front shock absorption connecting joints is reduced; because the special feature that this four-wheel drive off-road vehicle used often traveles in the region that topography such as bumpy highway section and mountain region is comparatively complicated, so the region that two front drive wheels and two rear drive wheels of car body both sides are through the height difference respectively appears very likely during traveling, so the front wheel swing crossbeam in the front wheel regulation aggregate unit, and the rear wheel swing crossbeam in the rear wheel regulation aggregate unit designs into the oscilaltion structure with center as the axle center, can guarantee the vehicle when travelling like this, how complicated topography is no matter how encountered, its four wheels can take place the height to change along with the road surface of passing by, and the focus of car body itself keeps relatively steady state, because the structure of rear wheel regulation aggregate unit is similar with the front wheel regulation aggregate unit, so the whole mode of operation of rear wheel regulation aggregate unit is also the same with the front wheel regulation aggregate unit, this series of mechanism makes the travel of vehicle more nimble, the wheel bearing structure of convertible regulation can adapt to the traveling of various complicated topography, and then promoted the overall performance of off-road vehicle, and the service life of vehicle has been prolonged and the friction between each bearing spare part of vehicle has been reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic view showing an expanded structure of the wheel adjusting linkage mechanism of the present invention.
Fig. 3 is a schematic side view of the vehicle body according to the present invention.
Fig. 4 is a schematic view showing an expanded structure of the vehicle body side adjusting linkage mechanism of the present invention.
Fig. 5 is a schematic diagram of the front structure of the present invention.
Fig. 6 is a schematic view of the front side adjusting linkage of the present invention in an expanded configuration.
Fig. 7 is a schematic diagram of a front structure of a wheel adjusting linkage of the present invention.
Fig. 8 is a schematic perspective view of a front wheel adjusting linkage of the present invention.
Fig. 9 is a schematic perspective view of a rear wheel adjustment linkage of the present invention.
Wherein: 1. frame 2, car seat 3, steering wheel
4. Steering rod 5, steering driving gear 6, steering driven gear
7. Front wheel adjusting linkage 8, front wheel swinging cross beam 9 and front wheel longitudinal connecting arm
10. Front swing joint 11, front shock absorbing joint 12, and front wheel lateral connecting arm
13. Front wheel damper spring 14, front wheel brake disc 15, front drive wheel
16. Front swing tie rod 17, front steering tie rod 18, front tie rod fixing ring
19. Rear wheel adjusting linkage 20, rear wheel swing beam 21, rear wheel longitudinal connecting arm
22. Rear swing joint 23, rear shock-absorbing joint 24, and rear wheel lateral connecting arm
25. Rear wheel damper spring 26, rear wheel brake disc 27, rear drive wheel
28. Rear swing link 29, rear steering link 30, and rear wheel swing link
31. Rear steering tie rod fixing ring
Detailed Description
The following is a brief description of embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, a four-wheel-drive off-road vehicle with a wheel adjustment linkage mechanism comprises a frame 1, a vehicle seat 2, a steering wheel 3, a steering rod 4, a steering driving gear 5, a front wheel adjustment linkage 7 and a rear wheel adjustment linkage 19, wherein the vehicle seat 2 is positioned in the middle of the frame 1, the vehicle seat 2 is fixedly connected with the frame 1, the steering wheel 3 is positioned at the upper part of the front wheel adjustment linkage 7, the steering wheel 3 is fixedly connected with the steering rod 4, the steering rod 4 is positioned between the steering wheel 3 and the steering driving gear 5, one end of the steering rod 4 is fixedly connected with the steering wheel 3, the other end of the steering rod 4 is fixedly connected with the steering driving gear 5, the front wheel adjustment linkage 7 is positioned at the lower part of the steering wheel 3, the front wheel adjustment linkage 7 is fixedly connected with the frame 1, the rear wheel adjustment linkage 19 is parallel to the front wheel adjustment linkage 7 is positioned at one side of the frame 1, and the rear wheel adjustment linkage 19 is fixedly connected with the frame 1. The front wheel adjusting linkage 7 comprises a front wheel swinging cross beam 8, a steering driven gear 6, two front wheel longitudinal connecting arms 9, two front wheel transverse connecting arms 12, two front driving wheels 15, two front swinging pull rods 16 and two front steering pull rods 17, wherein the front wheel swinging cross beam 8 is positioned at the lower part of the steering wheel 3 and is close to the position of the steering driving gear 5, the front wheel swinging cross beam 8 is fixedly connected with the frame 1, the steering driven gear 6 is positioned at the middle part of the front wheel swinging cross beam 8, the steering driven gear 6 is fixedly connected with the front wheel swinging cross beam 8, the two front wheel longitudinal connecting arms 9 are respectively and parallelly positioned at two ends of the front wheel swinging cross beam 8 and are respectively positioned at two sides of the frame 1, the two front wheel longitudinal connecting arms 9 are fixedly connected with the front wheel swinging cross beam 8, the two front wheel transverse connecting arms 12 are respectively positioned at the lower part of each front wheel longitudinal connecting arm 9, the front wheel transverse connecting arm 12 is fixedly connected with the front wheel longitudinal connecting arm 9, the two front driving wheels 15 are respectively positioned at one end of the front wheel transverse connecting arm 12, the front driving wheels 15 are fixedly connected with the front wheel transverse connecting arm 12, any front driving wheel 15 is also provided with a front wheel brake disc 14, the front wheel brake disc 14 is positioned between the front wheel transverse connecting arm 12 and the front driving wheels 15, the front wheel brake disc 14 is fixedly connected with the front driving wheels 15, any front wheel longitudinal connecting arm 9 is also provided with a front swing connecting joint 10 and a front shock absorption connecting joint 11, the front swing connecting joint 10 is positioned at the position of the front wheel longitudinal connecting arm 9 and the front wheel swing beam 8, the front swing connecting joint 10 connects the front wheel longitudinal connecting arm 9 and the front wheel swing beam 8, the front shock-absorbing connecting joint 11 is positioned at the connecting position of the front wheel longitudinal connecting arm 9 and the front wheel transverse connecting arm 12, the front shock-absorbing connecting joint 11 connects the front wheel longitudinal connecting arm 9 and the front wheel transverse connecting arm 12, a front wheel shock-absorbing spring 13 is also arranged on any front wheel transverse connecting arm 12, the front wheel shock-absorbing spring 13 is positioned between the front shock-absorbing connecting joint 11 and the front wheel transverse connecting arm 12, one end of the front wheel shock-absorbing spring 13 is fixedly connected with the front shock-absorbing connecting joint 11, the other end of the front wheel shock-absorbing spring 13 is fixedly connected with the front wheel transverse connecting arm 12, any front swing pull rod 16 is positioned on one side of the front wheel longitudinal connecting arm 9, one end of the front swing pull rod 16 is fixedly connected with the front wheel longitudinal connecting arm 9, the other end of the front swing pull rod 16 is fixedly connected with the steering driving gear 5, one end of the front steering rod 17 is fixedly connected with the steering driven gear 6, the other end of the front swing pull rod 17 is fixedly connected with the front swing ring 11, the front swing ring 18 and the rear swing ring 18 are fixedly connected with the front wheel 18 and the rear wheel 18, the front swing ring 18 and the rear swing ring 18 are fixedly connected with the front and the rear wheel 18, the front swing seat 18 and the rear wheel 18 are fixedly connected with the front and the rear wheel 18 and the rear seat 18, the front swing seat 18 and the rear 18 are fixedly connected with the front swing ring 18 and the front swing seat 18 and the rear 18 and the front swing seat 18, the rear wheel swing cross beam 20 is fixedly connected with the frame 1, the rear wheel swing connecting shaft 30 is positioned in the middle of the rear wheel swing cross beam 20, the rear wheel swing connecting shaft 30 is fixedly connected with the rear wheel swing cross beam 20, the two rear wheel longitudinal connecting arms 21 are respectively positioned at two ends of the rear wheel swing cross beam 20 in parallel and are respectively positioned at two sides of the frame 1, the two rear wheel longitudinal connecting arms 21 are fixedly connected with the rear wheel swing cross beam 20, the two rear wheel transverse connecting arms 24 are respectively positioned at the lower part of each rear wheel longitudinal connecting arm 21, the rear wheel transverse connecting arms 24 are fixedly connected with the rear wheel longitudinal connecting arms 21, the two rear driving wheels 27 are respectively positioned at one ends of the rear wheel transverse connecting arms 24, the rear driving wheels 27 are fixedly connected with the rear wheel transverse connecting arms 24, the rear driving wheels 27 are also provided with rear wheel brake discs 26, the rear wheel brake disc 26 is positioned between the rear wheel transverse connecting arm 24 and the rear driving wheel 27, the rear wheel brake disc 26 is fixedly connected with the rear driving wheel 27, any rear wheel longitudinal connecting arm 21 is also provided with a rear swing connecting joint 22 and a rear shock absorbing connecting joint 23, the rear swing connecting joint 22 is positioned at the position of the rear wheel longitudinal connecting arm 21 and the rear wheel swing beam 20, the rear swing connecting joint 22 connects the rear wheel longitudinal connecting arm 21 and the rear wheel swing beam 20, the rear shock absorbing connecting joint 23 is positioned at the connecting position of the rear wheel longitudinal connecting arm 21 and the rear wheel transverse connecting arm 24, the rear shock absorbing connecting joint 23 connects the rear wheel longitudinal connecting arm 21 and the rear wheel transverse connecting arm 24, any rear wheel transverse connecting arm 24 is also provided with a rear wheel shock absorbing spring 25, the rear wheel shock absorbing spring 25 is located between the rear shock absorbing connecting joint 23 and the rear wheel transverse connecting arm 24, one end of the rear wheel shock absorbing spring 25 is fixedly connected with the rear shock absorbing connecting joint 23, the other end of the rear wheel shock absorbing spring 25 is fixedly connected with the rear wheel transverse connecting arm 24, any rear swing pull rod 28 is located at one side of the rear wheel longitudinal connecting arm 21, one end of the rear swing pull rod 28 is fixedly connected with the rear wheel longitudinal connecting arm 21, the other end of the rear swing pull rod 28 is fixedly connected with the rear wheel swing connecting shaft 30, any rear steering pull rod 29 is located at the other side of the rear wheel longitudinal connecting arm 21, one end of the rear steering pull rod 29 is fixedly connected with the rear wheel swing connecting shaft 30, the other end of the rear steering pull rod 29 is fixedly connected with the rear shock absorbing connecting joint 23, any rear steering pull rod fixing ring 31 is further arranged on the rear steering pull rod 29, the rear steering pull rod 29 passes through the rear steering pull rod fixing ring 31 to be connected, the rear steering pull rod fixing ring 31 is located at the lower portion of the rear wheel swing beam 20, and the rear steering beam fixing ring 31 is fixedly connected with the rear steering beam 20. The frame 1 is an integrally formed steel casting. The front wheel swinging cross beam 8 and the rear wheel swinging cross beam 20 are both arc square beams with two upward tilted sides. The front swing joint 10 and the rear swing joint 22 are both single-bearing joint rotary joints. The front shock absorption connecting joint 11 and the rear shock absorption connecting joint 23 are dual-bearing connecting rotary joints. The rear wheel swing connecting shaft 30 is a ball bearing.
The working mode is as follows: the four-wheel-drive off-road vehicle is provided with the wheel adjusting linkage mechanism, can adjust the left-right swing and the height of the front wheel and the rear wheel according to the terrain condition in the running process of the vehicle so as to adapt to the terrain, and effectively avoid shock, so that the whole vehicle body can be free from the influence of complex terrain, and further a driver can keep a stable driving state in the vehicle body, and meanwhile, the running performance is improved by changing the connection state of the wheels. The cross-country vehicle mainly comprises a vehicle frame 1, a vehicle seat 2, a steering wheel 3, a steering rod 4, a steering driving gear 5, a front wheel adjusting linkage 7 and a rear wheel adjusting linkage 19, wherein the front wheel adjusting linkage 7 and the rear wheel adjusting linkage 19 are respectively arranged in front and rear areas of the vehicle frame 1, namely, the area of the front vehicle frame 1 of the steering wheel 3 and the area of the rear vehicle frame 1 of the vehicle seat 2, and the steering rod 4 is used for connecting the steering wheel 3 and the steering driving gear 5 in series, so that a driver can control the steering of the front wheel adjusting linkage 7 through the steering wheel 3; the front wheel adjusting linkage 7 comprises a front wheel swinging cross beam 8, a steering driven gear 6, two front wheel longitudinal connecting arms 9, two front wheel transverse connecting arms 12, two front driving wheels 15, two front swinging pull rods 16 and two front steering pull rods 17, wherein the steering driven gear 6 is positioned in the middle of the front wheel swinging cross beam 8, the steering driven gear 6 is meshed with the steering driving gear 5, and the steering driven gear 6 can be linked to and rotated together with the steering driven gear 6 through the rotation of the steering wheel 3 by a driver, so that the two front steering pull rods 17 connected with the steering driven gear 6 can be driven to drive the direction of the vehicle according to the left or right control of the steering wheel 3 by the driver; the rear wheel adjusting linkage 19 is similar to the front wheel adjusting linkage 7 in structure and also comprises a rear wheel swinging cross beam 20, a rear wheel swinging connecting shaft 30, two rear wheel longitudinal connecting arms 21, two rear wheel transverse connecting arms 24, two rear driving wheels 27, two rear swinging pull rods 28 and two rear steering pull rods 29, the rear wheel swinging cross beam 20 is slightly different from the front wheel swinging cross beam 8 in structure, the rear wheel swinging cross beam 20 is not controlled by the rotation of the steering wheel 3, a rear wheel swinging connecting shaft 30 is arranged in the middle of the rear wheel swinging cross beam 20, the rear wheel swinging connecting shaft 30 adopts a ball bearing, the rear wheel swinging cross beam 20 can freely and flexibly perform the same action along with the swinging of the front wheel swinging cross beam 8 in the running process of the vehicle, the whole state of the vehicle is kept consistent, the front wheel swinging cross beam 8 in the front wheel adjusting linkage 7, and the rear wheel swinging cross beams 20 in the rear wheel adjusting linkage 19 are all arc square beams with two upturned sides, namely, the two ends of the front wheel swinging cross beams 8 and the rear wheel swinging cross beams 20 are designed to be arc upturned structures, compared with a horizontal structure, the structure is more dispersed in stress points, so that the movable connection parts of the two ends of the front wheel swinging cross beams 8 and the two ends of the rear wheel swinging cross beams 20 are not easy to deform, the two front wheel longitudinal connecting arms 9 and the two rear wheel longitudinal connecting arms 21 are convenient to rotate in the horizontal direction, the two front wheel longitudinal connecting arms 9 in the front wheel adjusting linkage 7 are respectively positioned at the two ends of the front wheel swinging cross beams 8 in parallel and are respectively positioned at the two sides of the frame 1, the two front wheel transverse connecting arms 12 are respectively positioned at the lower part of each front wheel longitudinal connecting arm 9, the transverse and longitudinal connection mode further forms a supporting structure of the front driving wheel 15, each front wheel longitudinal connecting arm 9 is also provided with a front swing connecting joint 10 and a front shock absorption connecting joint 11, the front swing connecting joints 10 connect the front wheel longitudinal connecting arms 9 with the front wheel swing cross beam 8, the front shock absorption connecting joints 11 connect the front wheel longitudinal connecting arms 9 with the front wheel transverse connecting arms 12, each front swing connecting joint 10 and each rear swing connecting joint 22 adopt a single-bearing connecting rotary joint, so that the horizontal rotation of the two front wheel longitudinal connecting arms 9 and the two rear wheel longitudinal connecting arms 21 is facilitated, each front shock absorption connecting joint 11 and each rear shock absorption connecting joint 23 are double-bearing connecting rotary joints, the front wheel longitudinal connecting arms 9 and the front wheel transverse connecting arms 12 which are respectively connected with the front wheel longitudinal connecting arms and the rear wheel longitudinal connecting arms 21 and the rear wheel transverse connecting arms 24 can enlarge the moving range, in addition, each front wheel transverse connecting arm 12 is also provided with a front wheel damping spring 13, one end of the front wheel damping spring 13 is fixedly connected with the front damping connecting joint 11, the other end of the front wheel damping spring 13 is fixedly connected with the front wheel transverse connecting arms 12, when the vehicle runs on a bumpy road section where the front driving wheel 15 passes, the floating of the front wheel transverse connecting arms 12 is more standard, the safety is enhanced, the auxiliary supporting function is also realized on the front damping connecting joint 11, and the friction of the front damping connecting joint 11 is reduced; because the four-wheel-drive off-road vehicle is applied to the special property, the vehicle often runs in a region with complex topography such as bumpy road sections and mountain lands, and the like, the two front driving wheels 15 and the two rear driving wheels 27 on two sides of the vehicle body 1 are likely to pass through the region with uneven height respectively during running, so the front wheel swinging cross beam 8 in the front wheel adjusting linkage 7 and the rear wheel swinging cross beam 20 in the rear wheel adjusting linkage 19 are designed to be of an up-down swinging structure taking the center as the axle center, thus ensuring that no matter how complex topography is encountered during running of the vehicle, the four wheels can be changed in height along with the passing road surfaces, the gravity center of the vehicle body 1 keeps a relatively stable state, and the structure of the rear wheel adjusting linkage 19 is similar to that of the front wheel adjusting linkage 7, and the whole working mode of the rear wheel adjusting linkage 19 is also the same as that of the front wheel adjusting linkage 7.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The utility model provides a four-wheel drive cross country vehicle with wheel adjustment link gear, includes frame, car seat, steering wheel, steering rod, turns to the driving gear, front wheel adjustment aggregate unit and rear wheel adjustment aggregate unit, the car seat is located the middle part of frame, car seat and frame are fixed connection, the steering wheel is located the upper portion of front wheel adjustment aggregate unit, steering wheel and steering rod are fixed connection, the steering rod is located between steering wheel and the driving gear that turns to, steering rod and frame are fixed connection, one end and the steering wheel of steering rod are fixed connection, the other end and the driving gear that turns to of steering rod are fixed connection, front wheel adjustment aggregate unit is located the lower part of steering wheel, front wheel adjustment aggregate unit and frame are fixed connection, rear wheel adjustment aggregate unit is located one side of front wheel adjustment aggregate unit in parallel, rear wheel adjustment aggregate unit and frame are fixed connection, its characterized in that: the front wheel adjusting linkage device comprises a front wheel swinging cross beam, a steering driven gear, two front wheel longitudinal connecting arms, two front wheel transverse connecting arms, two front driving wheels, two front swinging pull rods and two front steering pull rods, wherein the front wheel swinging cross beam is positioned at the lower part of the steering wheel and is close to the position of the steering driving gear, the front wheel swinging cross beam is fixedly connected with a frame, the steering driven gear is positioned at the middle part of the front wheel swinging cross beam, the steering driven gear is fixedly connected with the front wheel swinging cross beam, the two front wheel longitudinal connecting arms are respectively positioned at two ends of the front wheel swinging cross beam in parallel and are respectively positioned at two sides of the frame, the two front wheel longitudinal connecting arms are fixedly connected with the front wheel swinging cross beam, the two front wheel transverse connecting arms are respectively positioned at the lower part of each front wheel longitudinal connecting arm, the front wheel transverse connecting arm and the front wheel longitudinal connecting arm are fixedly connected, the two front driving wheels are respectively positioned at one end of the front wheel transverse connecting arm, the front driving wheels are fixedly connected with the front wheel transverse connecting arm, any front driving wheel is also provided with a front wheel brake disc, the front wheel brake disc is positioned between the front wheel transverse connecting arm and the front driving wheels, the front wheel brake disc is fixedly connected with the front driving wheels, any front swinging pull rod is positioned at one side of the front wheel longitudinal connecting arm, one end of the front swinging pull rod is fixedly connected with the front wheel longitudinal connecting arm, the other end of the front swinging pull rod is fixedly connected with a steering driving gear, any front steering pull rod is positioned at the other side of the front wheel longitudinal connecting arm, one end of the front steering pull rod is fixedly connected with a steering driven gear, the other end of the front steering pull rod is fixedly connected with a front shock absorption connecting joint, the rear wheel adjusting linkage device comprises a rear wheel swinging cross beam, a rear wheel swinging connecting shaft, two rear wheel longitudinal connecting arms, two rear wheel transverse connecting arms, two rear drive wheels, two rear swinging pull rods and two rear steering pull rods, wherein the rear wheel swinging cross beam is positioned at one side of a vehicle seat, the rear wheel swinging cross beam is fixedly connected with a vehicle frame, the rear wheel swinging connecting shaft is positioned in the middle of the rear wheel swinging cross beam, the rear wheel swinging connecting shaft is fixedly connected with the rear wheel swinging cross beam, the two rear wheel longitudinal connecting arms are respectively positioned at two ends of the rear wheel swinging cross beam in parallel and are respectively positioned at two sides of a vehicle frame, the two rear wheel longitudinal connecting arms are respectively positioned at the lower part of each rear wheel longitudinal connecting arm, the rear wheel transverse connecting arms are fixedly connected with the rear wheel longitudinal connecting arms, the rear drive wheels are respectively positioned at one ends of the rear wheel transverse connecting arms, any rear drive wheels are fixedly connected with the rear wheel swinging connecting arms, any rear wheel swinging connecting arms are arranged on one side of the rear wheel swinging pull rods, the rear wheel swinging pull rods are respectively positioned at the other side of the rear wheel swinging connecting arms, the rear wheel swinging connecting arms are fixedly connected with one side of the rear wheel swinging pull rods, the rear wheel swinging pull rods are respectively positioned at the other side of the rear wheel swinging longitudinal connecting shafts, and are fixedly connected with one side of the rear wheel swinging connecting rods, and the rear wheel swinging arms are respectively positioned at the other side of the rear wheel swinging connecting ends, and are fixedly connected with one side of the rear wheel swing arms respectively, and the rear wheel swing arms respectively connected with the rear wheel swing, and the rear wheel swing arms, and the rear wheels are respectively. The other end of the rear steering pull rod is fixedly connected with a rear shock absorption connecting joint;
the front wheel longitudinal connecting arm is also provided with a front swing connecting joint and a front shock absorption connecting joint, the front swing connecting joint is positioned at the position of the front wheel longitudinal connecting arm and the front wheel swing beam, the front swing connecting joint connects the front wheel longitudinal connecting arm and the front wheel swing beam, the front shock absorption connecting joint is positioned at the connecting position of the front wheel longitudinal connecting arm and the front wheel transverse connecting arm, and the front shock absorption connecting joint connects the front wheel longitudinal connecting arm and the front wheel transverse connecting arm;
the front wheel transverse connecting arm is also provided with a front wheel damping spring, the front wheel damping spring is positioned between the front damping connecting joint and the front wheel transverse connecting arm, one end of the front wheel damping spring is fixedly connected with the front damping connecting joint, and the other end of the front wheel damping spring is fixedly connected with the front wheel transverse connecting arm;
a front steering rod fixing ring is further arranged on any front steering rod, the front steering rod penetrates through the front steering rod fixing ring to be connected, the front steering rod fixing ring is positioned at the lower part of the front wheel swing beam, and the front steering rod fixing ring is fixedly connected with the front wheel swing beam;
any rear wheel longitudinal connecting arm is further provided with a rear swing connecting joint and a rear shock absorption connecting joint, the rear swing connecting joint is located at the position of the rear wheel longitudinal connecting arm and the rear wheel swing beam, the rear swing connecting joint connects the rear wheel longitudinal connecting arm and the rear wheel swing beam, the rear shock absorption connecting joint is located at the connecting position of the rear wheel longitudinal connecting arm and the rear wheel transverse connecting arm, and the rear shock absorption connecting joint connects the rear wheel longitudinal connecting arm and the rear wheel transverse connecting arm.
2. A four-wheel drive off-road vehicle with wheel adjustment linkage as defined in claim 1, wherein: any rear wheel damping spring is further arranged on the rear wheel transverse connecting arm, the rear wheel damping spring is located between the rear damping connecting joint and the rear wheel transverse connecting arm, one end of the rear wheel damping spring is fixedly connected with the rear damping connecting joint, and the other end of the rear wheel damping spring is fixedly connected with the rear wheel transverse connecting arm.
3. A four-wheel drive off-road vehicle with wheel adjustment linkage as defined in claim 1, wherein: the rear steering rod is characterized in that any rear steering rod is further provided with a rear steering rod fixing ring, the rear steering rod penetrates through the rear steering rod fixing ring to be connected, the rear steering rod fixing ring is located at the lower portion of the rear wheel swing beam, and the rear steering rod fixing ring is fixedly connected with the rear wheel swing beam.
4. A four-wheel drive off-road vehicle with wheel adjustment linkage as defined in claim 1, wherein: the frame is an integrally formed steel casting, so that the whole frame is firmer and firmer, the rear wheel swing connecting shaft is a ball bearing, the rear wheel swing beam is convenient to freely and flexibly make the same actions along with the swing of the front wheel swing beam in the running process of the vehicle, and the whole state of the vehicle is kept consistent.
5. A four-wheel drive off-road vehicle with wheel adjustment linkage as defined in claim 1, wherein: the front wheel swing beam and the rear wheel swing beam are both arc square beams with two upturned sides, and the structure ensures that the two ends of the front wheel swing beam and the movable connection parts at the two ends of the rear wheel swing beam are not easy to deform, so that the two front wheel longitudinal connecting arms and the two rear wheel longitudinal connecting arms are convenient to move in the horizontal direction.
6. A four-wheel drive off-road vehicle with wheel adjustment linkage as defined in claim 1, wherein: the front swing connecting joint and the rear swing connecting joint are both single-bearing connecting rotary joints, so that the horizontal rotation of the two front wheel longitudinal connecting arms and the two rear wheel longitudinal connecting arms is facilitated, the front shock absorption connecting joints and the rear shock absorption connecting joints are both double-bearing connecting rotary joints, and the range of motion between the front wheel longitudinal connecting arms and the front wheel transverse connecting arms and between the rear wheel longitudinal connecting arms and the rear wheel transverse connecting arms which are respectively connected can be enlarged.
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| CN201810962169.3A CN109130745B (en) | 2018-08-22 | 2018-08-22 | Four-wheel-drive off-road vehicle with wheel adjustment linkage mechanism |
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| CN201810962169.3A CN109130745B (en) | 2018-08-22 | 2018-08-22 | Four-wheel-drive off-road vehicle with wheel adjustment linkage mechanism |
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| CN109130745A CN109130745A (en) | 2019-01-04 |
| CN109130745B true CN109130745B (en) | 2023-09-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427955A (en) * | 2020-03-23 | 2021-09-24 | 田士晓 | Four-wheel independent suspension pure mechanical all-terrain electric off-road vehicle |
| CN112061225A (en) * | 2020-10-13 | 2020-12-11 | 海泰克智能科技(广州)有限公司 | All-terrain vehicle |
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