CN117922224A - Four-wheel drive special-shaped axle self-adapting to rough and uneven complex terrain of mountain land - Google Patents
Four-wheel drive special-shaped axle self-adapting to rough and uneven complex terrain of mountain land Download PDFInfo
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- CN117922224A CN117922224A CN202410095064.8A CN202410095064A CN117922224A CN 117922224 A CN117922224 A CN 117922224A CN 202410095064 A CN202410095064 A CN 202410095064A CN 117922224 A CN117922224 A CN 117922224A
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- axle
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- 230000005540 biological transmission Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000012876 topography Methods 0.000 claims description 3
- 210000002105 tongue Anatomy 0.000 claims 3
- 206010066054 Dysmorphism Diseases 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides a four-wheel drive special-shaped axle which is adaptive to rough and uneven hybrid terrain of mountain lands, and belongs to the technical field of vehicle accessories. The invention can ensure that the vehicle passes over a complex road surface, improves the bearing capacity of the vehicle body structure, has good damping function and is suitable for complex terrain work such as mountain areas, uneven areas and the like.
Description
Technical Field
The invention relates to the technical field of vehicle accessories, in particular to a four-wheel drive special-shaped axle which is adaptive to rough and uneven hybrid terrain of mountain areas.
Background
When the common transport vehicle passes through the pits, the front side or the rear side wheels are suspended due to the fact that the frame of the transport vehicle is inclined on the uneven road surface, so that the vehicle has large fluctuation and unstable running in the running process. Since the forestry machinery equipment needs to work on extremely rugged terrains such as hilly mountain areas without normal roads, the axle adopting the common two-wheel drive may cause problems such as rollover due to the terrains, so that the walking performance and the mountain work adaptability of the forestry machinery equipment are limited. Therefore, a four-wheel drive special-shaped axle adaptive to the rough and complex terrain of the mountain land is needed.
Disclosure of Invention
The invention aims to provide a four-wheel drive special-shaped axle self-adapting to mountain rugged hybrid terrain, which solves the technical problem that the walking performance and mountain operation adaptation performance of the existing forestry mechanical equipment are limited. The four-wheel drive special-shaped axle is mainly applied to a running system of mechanical equipment such as forestry harvesting, planting, woodland non-road transportation and the like.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a four-wheel drive special-shaped axle of self-adaptation mountain land unevenness complex miscellaneous topography, which comprises an axle housing, the limit bridge, gear drive and planetary gear mechanism, the middle part of limit bridge rotates respectively and connects the both ends at the axle housing, gear drive sets up the inside at the limit bridge, planetary gear mechanism sets up the inside at the axle housing both ends respectively, and planetary gear mechanism rotates with gear drive and is connected, front wheel and rear wheel are installed in the both ends of limit bridge rotation respectively, the inside at axle housing middle part is provided with differential mechanism and two arresting gear respectively, differential mechanism sets up between two arresting gear, differential mechanism's driving gear is connected with the power input shaft, and differential mechanism passes through the power input shaft with arresting gear and is connected, planetary gear mechanism sets up the one end at the power input shaft.
Further, the gear transmission mechanism comprises a central gear, a front driven wheel, a rear driven wheel, a plurality of front idler wheels and a plurality of rear idler wheels, wherein the central gear is in rotary connection with the planetary gear mechanism, the central gear is respectively in meshed connection with the front idler wheels and the rear idler wheels, the front idler wheels are in meshed connection with the front driven wheels, the front driven wheels are in rotary connection with the front wheels, the rear idler wheels are in meshed connection with the rear driven wheels, and the rear driven wheels are in rotary connection with the rear wheels.
Further, the planetary gear mechanism comprises a planet carrier, a first sun gear, a second sun gear, a first gear ring, a second gear ring, a first planetary gear and a second planetary gear, wherein the first sun gear is connected to one end of the power input shaft, the second sun gear is rotationally connected with the sun gear, the first planetary gear is installed between the first sun gear and the first gear ring, the first planetary gear is meshed with the first sun gear, the second planetary gear is installed between the second sun gear and the second gear ring, the second planetary gear is meshed with the second sun gear, and the first planetary gear and the second planetary gear are installed on the planet carrier.
Further, the braking device comprises a braking hydraulic cylinder, a left drum disc, a right drum disc, a plurality of friction plates and a plurality of steel plates, wherein the left drum disc and the right drum disc are respectively sleeved on a power input shaft, a left roller is arranged on the left drum disc, a right roller is arranged on the right drum disc, the left roller and the right roller are arranged side by side, the friction plates are respectively arranged on the outer sides of the left drum disc and the right drum disc, the friction plates are respectively connected with the power input shaft through splines, the steel plates are arranged between the friction plates, the braking hydraulic cylinder is fixedly connected with an axle housing, a top tongue is fixedly arranged on a piston rod of the braking hydraulic cylinder, wedge faces are arranged on the upper side and the lower side of the top tongue, and the tops of the upper side and the lower side of the top tongue are arranged between the left roller and the right roller.
Further, the left drum disc and the right drum disc are respectively connected with the axle housing in a rotating way, accommodating grooves from shallow to deep are respectively formed in one sides of the left drum disc and the right drum disc, balls are arranged in the accommodating grooves, and a reset spring is arranged between the left drum disc and the right drum disc.
Further, the accommodating grooves on the left drum plate and the right drum plate are arranged oppositely, and the accommodating grooves are arranged into ellipsoids with one large end and one small end.
Further, two ends of the side bridge incline downwards relative to the middle part, and two ends of the side bridge are respectively provided with lifting lugs.
Further, a plurality of mounting holes are mounted at the top of the axle housing, and the axle housing is fixedly connected with an external frame through the mounting holes.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. The planetary gear mechanism provided by the invention can effectively reduce the length of the power input shaft, avoid unstable vibration conditions of the vehicle caused by deformation, bending and overhigh rotating speed of the power input shaft in the transmission process, and prolong the service life of the power input shaft.
2. The four-wheel drive special-shaped axle is X-shaped, is provided with four main drive wheels, can drive and run on complex terrains, ensures that a vehicle passes over complex road surfaces, and improves the bearing capacity of a vehicle body structure; bian Qiao and the axle housing can relatively rotate, so that four wheels are always in contact with the ground, thereby having better balance on extremely rugged topography, reducing jolt of an upper vehicle body and having good shock absorption function; the inside of the side bridge is provided with a gear transmission mechanism, the structure is compact and the transmission is reliable.
Drawings
FIG. 1 is a schematic structural view of a four-wheel drive shaped axle of the present invention;
FIG. 2 is an internal block diagram of a four wheel drive shaped axle of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic diagram of the connection of the left drum plate and the right drum plate of the present invention;
FIG. 6 is a schematic view of a left drum of the present invention;
Fig. 7 is a schematic view of the right drum of the present invention.
In the drawing, 10-axle housing, 101-mounting hole, 20-side axle, 201-lifting lug, 30-front wheel, 40-rear wheel, 1-differential, 2-brake device, 21-brake hydraulic cylinder, 22-left drum, 221-left roller, 23-right drum, 231-right roller, 24-friction plate, 25-steel sheet, 26-top tongue, 27-accommodation groove, 28-ball, 29-return spring, 3-power input shaft, 31-spline, 41-central gear, 42-front driven wheel, 43-rear driven wheel, 44-front idler, 45-rear idler, 51-planet carrier, 52-first sun gear, 53-second sun gear, 54-first gear ring, 55-second gear ring, 56-first planet gear, 57-second planet gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
As shown in fig. 1-7, a four-wheel drive special-shaped axle adaptive to rough and complex terrain of mountain land comprises an axle housing 10, a side bridge 20, a gear transmission mechanism and a planetary gear mechanism, wherein the middle part of the side bridge 20 is respectively and rotatably connected with two ends of the axle housing 10, and the side bridge 20 is rotatably connected with the axle housing 10, so that when a vehicle passes over rough road surfaces and pits, the side bridge 20 can rotate relative to the axle 10 to adapt to road conditions, the obstacle crossing capability is improved, and meanwhile, serious jolt of a vehicle body above the axle due to rough bottom surfaces is avoided, so that a good shock absorption function is realized. The gear transmission mechanism sets up in the inside of limit bridge 20, planetary gear mechanism sets up the inside at axle housing 10 both ends respectively, and planetary gear mechanism rotates with gear transmission mechanism and is connected, front wheel 30 and rear wheel 40 are installed in the rotation respectively at the both ends of limit bridge 20, the inside at axle housing 10 middle part is provided with differential mechanism 1 and two arresting gear 2 respectively, differential mechanism 1 sets up between two arresting gear 2, differential mechanism 1's driving gear is connected with power input shaft 3, differential mechanism 1 drives two power input shaft 3 and rotates, and differential mechanism 1 passes through power input shaft 3 with arresting gear 2 and is connected, planetary gear mechanism sets up the one end at power input shaft 3. The four-wheel drive special-shaped axle is X-shaped, is provided with four main drive wheels, can drive and run on complex terrains, ensures that a vehicle passes over complex road surfaces, and improves the bearing capacity of a vehicle body structure; the side bridge 20 and the bridge shell 10 can relatively rotate, so that four wheels are always in contact with the ground, and therefore, the side bridge has better balance on extremely uneven terrain, reduces jolt of an upper vehicle body and has a good shock absorption function; the side bridge 20 is internally provided with a gear transmission mechanism, and has compact structure and reliable transmission.
As shown in fig. 1, two ends of the bridge 20 incline downwards relative to the middle part, and lifting lugs 201 are respectively arranged at two ends of the bridge 20, so that the bridge is convenient to lift. The top of the axle housing 10 is provided with a plurality of mounting holes 101, and the axle housing 10 is fixedly connected with an external frame through the mounting holes 101, so that the axle housing is convenient to detach and mount.
As shown in fig. 2, the gear transmission mechanism comprises a sun gear 41, a front driven wheel 42, a rear driven wheel 43, a plurality of front idle wheels 44 and a plurality of rear idle wheels 45, wherein the sun gear 41 is rotationally connected with the planetary gear mechanism, the sun gear 41 is respectively in meshed connection with the front idle wheels 44 and the rear idle wheels 45, the front idle wheels 44 are in meshed connection with the front driven wheel 42, the front driven wheel 42 is rotationally connected with the front wheel 30, the rear idle wheels 45 are in meshed connection with the rear driven wheel 43, and the rear driven wheel 43 is rotationally connected with the rear wheel 40. The planetary gear mechanism drives the sun gear 41 to rotate, the sun gear 41 drives the front idler pulley 44 and the rear idler pulley 45 to rotate, and the front idler pulley 44 and the rear idler pulley 45 drive the front driven pulley 42 and the rear driven pulley 43 to rotate respectively, so that the front driven pulley 42 and the rear driven pulley 43 drive the front wheel 30 and the rear wheel 40 to rotate respectively, and the gear transmission mechanism is compact in structure and reliable in transmission.
As shown in fig. 3, the planetary gear mechanism includes a carrier 51, a first sun gear 52, a second sun gear 53, a first ring gear 54, a second ring gear 55, a first planetary gear 56, and a second planetary gear 57, the first sun gear 52 is connected to one end of the power input shaft 3, the second sun gear 53 is rotatably connected to the sun gear 41, the first planetary gear 56 is mounted between the first sun gear 52 and the first ring gear 54, the first planetary gear 56 is in meshing connection with the first sun gear 52, the second planetary gear 57 is mounted between the second sun gear 53 and the second ring gear 55, and the second planetary gear 57 is in meshing connection with the second sun gear 53, the first planetary gear 56 and the second planetary gear 57 being mounted on the carrier 51. The power input shaft 3 drives the first sun gear 52 to rotate, the first sun gear 52 drives the first planet gears 56 to rotate, then the second planet gears 57 also rotate in a follow mode, the second planet gears 57 drive the second sun gear 53 to rotate, and the second sun gear 53 drives the sun gear 41 to rotate. The planetary gear mechanism provided by the invention can effectively reduce the length of the power input shaft 3, avoid unstable vibration conditions of the vehicle caused by deformation, bending and overhigh rotating speed of the power input shaft 3 in the transmission process, and prolong the service life of the power input shaft 3.
As shown in fig. 4 to 7, the braking device 2 includes a brake hydraulic cylinder 21, a left drum disc 22, a right drum disc 23, a plurality of friction plates 24 and a plurality of steel plates 25, the left drum disc 22 and the right drum disc 23 are respectively sleeved on the power input shaft 3, a left roller 221 is mounted on the left drum disc 22, a right roller 231 is mounted on the right drum disc 23, the left roller 221 and the right roller 231 are arranged side by side, the friction plates 24 are respectively arranged on the outer sides of the left drum disc 22 and the right drum disc 23, the power input shaft 3 is provided with a spline 31, the friction plates 24 are respectively connected with the power input shaft 3 through the spline, the steel plates 25 are arranged between the friction plates 24, the brake hydraulic cylinder 21 is fixedly connected with the axle housing 10, a top tongue 26 is fixedly mounted on a piston rod of the brake hydraulic cylinder 21, wedge surfaces are arranged on the upper side and lower side of the top tongue 26 is arranged between the left roller 221 and the right roller 232. The left drum disc 22 and the right drum disc 23 are respectively connected with the axle housing 10 in a rotating way, a containing groove 27 from shallow to deep is respectively arranged on one side of the left drum disc 22 opposite to the right drum disc 23, a ball 28 is arranged in the containing groove 27, and a reset spring 29 is arranged between the left drum disc 22 and the right drum disc 23. The left drum 22 is disposed opposite to the accommodating groove 27 on the right drum 23, and the accommodating groove 27 is provided in an ellipsoidal shape with a large end and a small end. The piston rod of the brake hydraulic cylinder 21 stretches, the top tongue 26 on the piston rod of the brake hydraulic cylinder 21 is propped against the left roller 221 and the right roller 232, the left drum disc 22 and the right drum disc 23 respectively move towards the friction plates 24 on two sides, so that the speed of the power input shaft 3 is reduced or stopped, and a braking effect is achieved; when the piston rod of the brake cylinder 21 is retracted, the top tongue 26 on the piston rod of the brake cylinder 21 releases the left roller 221 and the right roller 232, and the return spring 29 returns the left drum disc 22 and the right drum disc 23.
Principle of operation
The differential mechanism 1 drives two power input shafts 3 to rotate, the two power input shafts 3 respectively drive a first sun gear 52 to rotate, the first sun gear 52 drives a first planet gear 56 to rotate, a second planet gear 57 follows to rotate, the second planet gear 57 drives a second sun gear 53 to rotate, the second sun gear 53 drives a sun gear to rotate, the sun gear 41 respectively drives a front idler gear 44 and a rear idler gear 45 to rotate, and the front idler gear 44 and the rear idler gear 45 respectively drive a front driven wheel 42 and a rear driven wheel 43 to rotate, so that the front driven wheel 42 and the rear driven wheel 43 respectively drive a front wheel 30 and a rear wheel 40 to rotate; when braking, the piston rod of the brake hydraulic cylinder 21 stretches, the top tongue 26 on the piston rod of the brake hydraulic cylinder 21 is propped against the left roller 221 and the right roller 232, and the left drum disc 22 and the right drum disc 23 respectively move towards the friction plates 24 on two sides, so that the speed of the power input shaft 3 is reduced or stopped, and the braking effect is achieved; the piston rod of the brake hydraulic cylinder 21 is recovered, the top tongue 26 on the piston rod of the brake hydraulic cylinder 21 releases the left roller 221 and the right roller 232, and the return spring 29 returns the left drum disc 22 and the right drum disc 23.
When the common transport vehicle passes through the pits, the front side or the rear side wheels are suspended due to the fact that the frame of the transport vehicle is inclined on the uneven road surface, so that the vehicle has large fluctuation and unstable running in the running process. The four-wheel drive special-shaped axle can be provided with four wheels, and has larger bearing capacity compared with a vehicle body structure which can only be provided with two wheels; the four-wheel drive special-shaped axle can ensure that the vehicle passes over a complex road surface, improves the bearing capacity of the vehicle body structure, has a good damping function, and is suitable for complex terrain work such as mountain areas, uneven terrain and the like.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The utility model provides a four-wheel drive dysmorphism axle of self-adaptation mountain region unevenness complex miscellaneous topography which characterized in that: including axle housing (10), limit bridge (20), gear drive and planet wheel mechanism, the middle part of limit bridge (20) rotates respectively and connects the both ends at axle housing (10), gear drive sets up the inside at limit bridge (20), planet wheel mechanism sets up the inside at axle housing (10) both ends respectively, and planet wheel mechanism and gear drive rotate and be connected, front wheel (30) and rear wheel (40) are installed respectively in the both ends of limit bridge (20), the inside at axle housing (10) middle part is provided with differential mechanism (1) and two arresting gear (2) respectively, differential mechanism (1) set up between two arresting gear (2), the driving gear of differential mechanism (1) is connected with power input shaft (3), and differential mechanism (1) are connected through power input shaft (3) with arresting gear (2), planet wheel mechanism sets up the one end at power input shaft (3).
2. The four-wheel drive profiled axle for adapting to mountain rugged complex terrain of claim 1, wherein: the gear transmission mechanism comprises a sun gear (41), a front driven wheel (42), a rear driven wheel (43), a plurality of front idler wheels (44) and a plurality of rear idler wheels (45), wherein the sun gear (41) is rotationally connected with the planetary gear mechanism, the sun gear (41) is respectively in meshed connection with the front idler wheels (44) and the rear idler wheels (45), the front idler wheels (44) are in meshed connection with the front driven wheel (42), the front driven wheel (42) is rotationally connected with the front wheel (30), the rear idler wheels (45) are in meshed connection with the rear driven wheel (43), and the rear driven wheel (43) is rotationally connected with the rear wheel (40).
3. The four-wheel drive profiled axle for adapting to mountain rugged complex terrain of claim 1, wherein: the planetary gear mechanism comprises a planetary carrier (51), a first sun gear (52), a second sun gear (53), a first gear ring (54), a second gear ring (55), a first planetary gear (56) and a second planetary gear (57), wherein the first sun gear (52) is connected to one end of a power input shaft (3), the second sun gear (53) is rotationally connected with a sun gear (41), the first planetary gear (56) is installed between the first sun gear (52) and the first gear ring (54), the first planetary gear (56) is meshed with the first sun gear (52), the second planetary gear (57) is installed between the second sun gear (53) and the second gear ring (55), the second planetary gear (57) is meshed with the second sun gear (53), and the first planetary gear (56) and the second planetary gear (57) are installed on the planetary carrier (51).
4. The four-wheel drive profiled axle for adapting to mountain rugged complex terrain of claim 1, wherein: the braking device (2) comprises a braking hydraulic cylinder (21), a left drum disc (22), a right drum disc (23), a plurality of friction plates (24) and a plurality of steel plates (25), wherein the left drum disc (22) and the right drum disc (23) are respectively sleeved on a power input shaft (3), a left roller (221) is installed on the left drum disc (22), a right roller (231) is installed on the right drum disc (23), the left roller (221) and the right roller (231) are arranged side by side, the friction plates (24) are respectively arranged on the outer sides of the left drum disc (22) and the right drum disc (23), the friction plates (24) are respectively connected with the power input shaft (3) through splines, the steel plates (25) are arranged between the friction plates (24), the braking hydraulic cylinder (21) is fixedly connected with a bridge casing (10), top tongues (26) are fixedly installed on piston rods of the braking hydraulic cylinder (21), wedge faces are arranged on the upper side and lower side of the top tongues (26), and the top sides of the top tongues (26) are arranged between the left roller (221) and the right roller (232).
5. The four-wheel drive profiled axle for adapting to hillside rugged hybrid terrain of claim 4, wherein: the left drum disc (22) and the right drum disc (23) are respectively connected with the axle housing (10) in a rotating way, accommodating grooves (27) from shallow to deep are respectively formed in one side, opposite to the right drum disc (23), of the left drum disc (22), balls (28) are arranged in the accommodating grooves (27), and a reset spring (29) is arranged between the left drum disc (22) and the right drum disc (23).
6. The four-wheel drive profiled axle for adapting to hillside rugged hybrid terrain of claim 5, wherein: the left drum plate (22) is arranged opposite to the accommodating groove (27) on the right drum plate (23), and the accommodating groove (27) is arranged into an ellipsoid shape with one large end and one small end.
7. The four-wheel drive profiled axle for adapting to mountain rugged complex terrain of claim 1, wherein: the two ends of the side bridge (20) incline downwards relative to the middle part, and lifting lugs (201) are respectively arranged at the two ends of the side bridge (20).
8. The four-wheel drive profiled axle for adapting to mountain rugged complex terrain of claim 1, wherein: the top of the axle housing (10) is provided with a plurality of mounting holes (101), and the axle housing (10) is fixedly connected with an external frame through the mounting holes (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410095064.8A CN117922224A (en) | 2024-01-23 | 2024-01-23 | Four-wheel drive special-shaped axle self-adapting to rough and uneven complex terrain of mountain land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410095064.8A CN117922224A (en) | 2024-01-23 | 2024-01-23 | Four-wheel drive special-shaped axle self-adapting to rough and uneven complex terrain of mountain land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117922224A true CN117922224A (en) | 2024-04-26 |
Family
ID=90758879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410095064.8A Pending CN117922224A (en) | 2024-01-23 | 2024-01-23 | Four-wheel drive special-shaped axle self-adapting to rough and uneven complex terrain of mountain land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117922224A (en) |
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2024
- 2024-01-23 CN CN202410095064.8A patent/CN117922224A/en active Pending
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