CN219990955U - Special equipment self-leveling obstacle surmounting device and vehicle chassis - Google Patents
Special equipment self-leveling obstacle surmounting device and vehicle chassis Download PDFInfo
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- CN219990955U CN219990955U CN202322720710.9U CN202322720710U CN219990955U CN 219990955 U CN219990955 U CN 219990955U CN 202322720710 U CN202322720710 U CN 202322720710U CN 219990955 U CN219990955 U CN 219990955U
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Abstract
The utility model provides a self-leveling obstacle surmounting device for special equipment and a vehicle chassis, which comprise a leveling bracket, a driving assembly and a wheel group assembly, wherein the leveling bracket is in an arch structure, and a hollow gear cavity is arranged in the arch structure; the driving assembly comprises a gear set arranged in the gear cavity, wherein a main gear is arranged at the center of an arch part of the arch structure, two supporting legs of the arch structure are respectively provided with an output gear, the main gear and the output gears are driven by a driven wheel, the main gear is arranged on a main transmission shaft, the input end of the main transmission shaft is connected with the output side of a universal joint, and the input side of the universal joint is used for being connected with a vehicle body; the wheel set assembly comprises two wheel mounting structures, and the two output gears drive the two wheel mounting structures to rotate through transmission shafts respectively. The special equipment self-leveling obstacle surmounting device and the vehicle chassis have the advantages of self-leveling capability, better smoothness and stability and strong obstacle surmounting capability.
Description
Technical Field
The utility model relates to a special equipment vehicle, in particular to the technical field of chassis of hoisting machinery, and specifically relates to a special equipment self-leveling obstacle surmounting device and a vehicle chassis.
Background
The special vehicle, especially the crane vehicle, is generally provided with a chassis leveling system, which is mainly used for the adaptability of hilly and mountain areas, calculates the adjustment amount based on the inclination of the chassis, and utilizes a hydraulic cylinder, a suspension, a track and the like to carry out omnibearing adjustment on the vehicle body so as to adapt to the working environment.
Foreign research has focused on early days, such as johndil in the united states, having developed a soil preparation device suitable for use in a slope work. The system can control the on-off of the fuel supply line, thereby achieving the purpose of leveling the vehicle body. HOEHN et al have studied a leveling system for a planting machine that enables real-time adjustment of the elevation between the lifting machine and the ground to help maintain a stable depth of soil cut.
The special vehicles in the early stage in China are mostly introduced by the China and Korean countries, and because of higher cost, the self-research is started to replace the special vehicles, and the developed crane vehicles in China are mainly divided into wheels and crawler-type crane vehicles according to a walking mode.
In the related technical field, self-propelled miniature crawler transport vehicles, light wheeled transport vehicles, single crawler hand transport equipment developed by northeast forestry universities and other mechanical equipment suitable for mountain transportation, which are developed by south China agricultural universities, have remarkable advantages in mountain walking. The small double-track transport vehicle designed by Zhejiang agricultural machinery institute adopts the gasoline engine as power, has the advantages of large carrying capacity, 640KG of maximum load, small ground specific pressure, strong obstacle crossing capability, flexible steering, self-unloading capability and the like, and is promoted to a certain extent.
Compared with the special mechanization process of countries such as European, american, japanese and Korean, the hilly mountain land operation project of China is the most, and the requirements for passing through the hills are more diversified and automatic.
In a word, due to the diversity of geographic environments in China, the requirements on a motion system of a chassis are more, and particularly when the vehicle can run under different terrains, the vehicle can realize self-leveling to a certain extent, the smoothness and the operation stability of the transportation vehicle are improved, and meanwhile, the ground clearance can be actively controlled, so that the function of crossing obstacles is realized.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a special equipment self-leveling obstacle surmounting device and a vehicle chassis, which have strong obstacle surmounting capability and better self-leveling capability, smoothness and stability.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a self-leveling obstacle surmounting device of special equipment comprises a leveling bracket, a driving assembly and a wheel group assembly;
the leveling bracket is of an arch structure, and a hollow gear cavity is arranged in the arch structure;
the driving assembly comprises a gear set arranged in the gear cavity, two supporting legs of the arch structure are respectively provided with an output gear, and the gear set drives the output gears.
In the gear set, the main gear is arranged at the center of the arch part of the arch structure, the main gear and the output gear are driven by the driven wheel, and the main gear is arranged on the main transmission shaft.
The lifting mechanism comprises an annular gear which is nested and fixed on the leveling bracket, and the annular gear is arranged on the input side of the main gear and is coaxial with the main transmission shaft;
the main gear is two sub gears sharing one nested ring, the two sub gears are coaxial and fixed with each other through the nested ring, the sub gear positioned at the inner side can be meshed with the driven gear, and the sub gear positioned at the outer side can be meshed with the inner gear ring;
the embedded ring and the main transmission shaft can axially slide in a short distance, a poking plate which can axially slide is arranged in the arch structure corresponding to the main gear, and the movable end of the poking plate is clamped between the two sub-gears, so that the poking plate pokes the main gear to slide along the main transmission shaft;
in the first state, the inner-side partial gear is meshed with the driven gear, the outer-side partial gear is separated from the inner gear, and in the second state, the inner-side partial gear is separated from the driven gear, and the outer-side partial gear is meshed with the inner gear.
The input end of the main transmission shaft is connected with the output side of the universal joint, and the input side of the universal joint is used for being connected with a power system;
the wheel set assembly comprises two wheel mounting structures, and the two output gears drive the two wheel mounting structures to rotate through transmission shafts respectively.
And the baffle is arranged on the outer side of the annular gear, and a steering mechanism fixing hole is arranged on the baffle.
A vehicle chassis comprises a frame, wheels and the special equipment self-leveling obstacle surmounting device, wherein a pair of front wheels and/or a pair of rear wheels in the frame are/is installed based on the special equipment self-leveling obstacle surmounting device, and the front wheels and/or the rear wheels are/is installed on the wheel installation structure.
The self-leveling obstacle surmounting device of the special equipment is driven by an independent driving motor and a transmission mechanism or respectively driven by a unified driving motor matched with the transmission mechanism.
The steering mechanism is arranged in the frame, and the output end of the steering mechanism is connected with a steering mechanism fixing hole positioned on the baffle plate of the leveling bracket.
The pair of front wheels are installed based on the self-leveling obstacle surmounting device of the special equipment, and the pair of rear wheels are driven by a single motor or are respectively driven by a uniform motor matched with a differential transmission system.
Compared with the prior art, the utility model has substantial characteristics and progress, and in particular has the following advantages:
1. a set of lifting mechanism is designed, and a transmission object is switched through a designed main gear with two sub gears, so that when serious obstacles such as ravines or steps are encountered, the front wheels in the self-adaptive leveling device can be controlled to lift a certain height from the ground, the self-adaptive leveling device has obstacle crossing capability, and further the chassis is prevented from being broken down.
2. The designed self-adaptive leveling device is designed through an arch structure and is provided with two tires with the same specification, when encountering complex roads such as hollow roads, inclined roads and the like, the self-adaptive leveling device can swing automatically, changes along with the change of the ground, increases the contact area with the ground, and can play a role of balancing and supporting, so that the trafficability of the chassis is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a vehicle chassis according to the present utility model.
Fig. 2 is a schematic structural view of a self-leveling obstacle surmounting device for special equipment in the utility model.
Fig. 3 is a cross-sectional view of the self-leveling obstacle detouring device of the special equipment according to the utility model.
Fig. 4 is a schematic diagram of the internal structure of the self-leveling obstacle surmounting device for special equipment in the utility model.
FIG. 5 is a second schematic view of the internal structure of the self-leveling obstacle surmounting device for special equipment in the utility model.
FIG. 6 is a third schematic view of the internal structure of the self-leveling obstacle detouring device for special equipment according to the present utility model.
Fig. 7 is a schematic view of a steering mechanism of the self-leveling obstacle surmounting device of the special equipment in the utility model.
Fig. 8 is a schematic diagram of the layout of a vehicle chassis in the present utility model.
In the figure: 1. leveling the bracket; 2. a main gear; 3. an output gear; 4. driven wheel; 5. a main drive shaft; 6. a universal joint; 7. a wheel; 8. an inner gear ring; 9. a collar is embedded; 10. a sub-gear positioned on the inner side; 11. a tooth dividing wheel positioned at the outer side; 12. a pulling piece; 13. a baffle; 14. a steering mechanism fixing hole; 15. a frame; 16. a steering mechanism.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
As shown in fig. 1-8, a self-leveling obstacle surmounting device for special equipment is applied to a vehicle frame, and can be used for front wheels or rear wheels in a vehicle frame system.
The special equipment self-leveling obstacle surmounting device comprises a leveling bracket 1, a driving assembly and a wheel group assembly, wherein the leveling bracket 1 is of an arch structure, and a hollow gear cavity is arranged in the arch structure;
the driving assembly comprises a gear set arranged in the gear cavity, wherein a main gear 2 is arranged at the center of an arch part of an arch structure, two supporting legs of the arch structure are respectively provided with an output gear 3, the main gear 2 and the output gear 3 are driven by a driven wheel 4, the main gear 2 is arranged on a main transmission shaft 5, the input end of the main transmission shaft 5 is connected with the output side of a universal joint 6, and the input side of the universal joint 6 is used for being connected with a chassis.
The wheel set assembly comprises two wheel mounting structures and is used for mounting a group of wheels 7 with the same specification, and the two output gears 3 respectively drive the two wheels 7 to rotate through transmission shafts.
In this embodiment, each special equipment self-leveling obstacle surmounting device is driven by a separate driving motor and transmission mechanism, that is, in this embodiment, two front wheels are respectively driven by two motors, and two rear wheels share one motor for driving.
In other embodiments, the number of drive motors used may be adjusted as desired and configured, such as by one drive motor driving two wheels in conjunction with a differential drive mechanism.
When climbing through less pothole or inclined road surface, because the design of arch structure, arch itself can be circular self-adaptation rotation angle and then adjustment self stable for the main drive shaft, and in-process arch structure presents the swing of less angle, consequently can promote stability, possesses better trafficability characteristic.
A lifting mechanism is arranged in the leveling bracket 1 and comprises an annular gear 8 which is nested and fixed on the leveling bracket, and the annular gear 8 is arranged on the input side of the main gear 2 and is coaxial with the main transmission shaft 5;
the main gear 2 is two partial gears sharing one nested ring 9, the two partial gears are coaxial and are mutually fixed through the nested ring, the partial gear 10 positioned at the inner side can be meshed with the driven gear, and the partial gear 11 positioned at the outer side can be meshed with the inner gear ring 8;
the nested ring 9 and the main transmission shaft 5 can axially slide in a short distance, a poking plate 12 which can axially slide is arranged in the arch structure corresponding to the main gear 2, and the movable end of the poking plate 12 is clamped between two sub-gears, so that the poking plate 12 pokes the main gear 2 to slide along the main transmission shaft 5;
in the first state, the inner-side partial gear 10 is meshed with the driven gear, and the outer-side partial gear 11 is separated from the ring gear, and in the second state, the inner-side partial gear 10 is separated from the driven gear, and the outer-side partial gear 11 is meshed with the ring gear.
Under the normal walking state, the device is maintained in a first state, when obstacle crossing is needed, the poking piece is poked, the outside gear wheel 11 is meshed with the inner gear ring, the inner gear ring is fixed with the leveling bracket 1, the main transmission shaft is driven to rotate, the main gear drives the inner gear ring to rotate through the outside gear wheel 11, the leveling bracket 1 is driven to rotate, and the corresponding front wheel is lifted to a certain height, so that obstacle crossing is realized.
As for the action of the pulling piece, the pulling piece can be driven by a set of independent driving mechanisms, such as an electric control screw rod mechanism or an electric push rod or an air cylinder.
The baffle 13 is arranged on the outer side of the inner gear ring 8, the baffle 13 is provided with a steering mechanism fixing hole 14, the frame 15 is provided with a steering mechanism 16, the steering mechanism 16 comprises a cross-shaped swing rod 161, a tie rod 162 and a right-angle driving rod 163, the right-angle driving rod is connected to the steering mechanism fixing hole 14 on the baffle 13, the cross-shaped swing rod drives the right-angle driving rod to act through the tie rod so as to push the leveling bracket and wheels to swing, and the cross-shaped swing rod is driven to swing by an external power mechanism matched with a pin shaft.
Description of working principle:
and respectively carrying out passability explanation on different topography conditions.
When encountering steep terrain, the transport vehicle needs to have not only strong driving stability but also strong ground grabbing capability. The terrain is steeper, common accidents such as rollover and sideslip are easy to occur, high requirements are put forward on the operation stability and driving safety of the automobile, high conditions are put forward on a leveling system of the chassis, under the terrain, the self-adaptive leveling device has two wheels when climbing up and down a slope and has a certain span, so that the self-adaptive leveling device has high ground grabbing capacity and form stability.
When encountering muddy road or depression, most of the road surfaces are low-lying wet land, and the common transport vehicle possibly falls into the inside to slip when passing through, so that the quality of transported agricultural products in the transport cabin cannot be guaranteed even if the vehicle normally runs out. Therefore, the road surface running has high requirements on the suspension frame and the dispatching frame of the chassis, and in the embodiment, a lifting mechanism capable of lifting a certain height is adopted to lift one wheel in the self-adaptive leveling device by a certain height, so that the self-adaptive leveling device has the capability of crossing a depression and a step area.
When a bumpy road surface is encountered, a certain damping capacity is needed, and the self-adaptive leveling device designed by the utility model can self-adaptively adjust the heights of the two wheels according to the bumpy road surface, so that the whole height of the self-adaptive leveling device is maintained in a stable state, and the damping effect is achieved.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (9)
1. The utility model provides a special equipment self-leveling obstacle crossing device which characterized in that: comprises a leveling bracket, a driving component and a wheel group component;
the leveling bracket is of an arch structure, and a hollow gear cavity is arranged in the arch structure;
the driving assembly comprises a gear set arranged in the gear cavity, two supporting legs of the arch structure are respectively provided with an output gear, and the gear set drives the output gears.
2. The specialty equipment self-leveling obstacle detouring device of claim 1, wherein: in the gear set, a main gear is arranged at the center of an arch part of the arch structure, the main gear and an output gear are driven by a driven wheel, and the main gear is arranged on a main transmission shaft.
3. The specialty equipment self-leveling obstacle detouring device of claim 2, wherein: the leveling bracket is internally provided with a lifting mechanism, the lifting mechanism comprises an annular gear which is nested and fixed on the leveling bracket, and the annular gear is arranged on the input side of the main gear and is coaxial with the main transmission shaft;
the main gear is two sub gears sharing one nested ring, the two sub gears are coaxial and fixed with each other through the nested ring, the sub gear positioned at the inner side can be meshed with the driven gear, and the sub gear positioned at the outer side can be meshed with the inner gear ring;
the embedded ring and the main transmission shaft can axially slide in a short distance, a poking plate which can axially slide is arranged in the arch structure corresponding to the main gear, and the movable end of the poking plate is clamped between the two sub-gears, so that the poking plate pokes the main gear to slide along the main transmission shaft;
in the first state, the inner-side partial gear is meshed with the driven gear, the outer-side partial gear is separated from the inner gear, and in the second state, the inner-side partial gear is separated from the driven gear, and the outer-side partial gear is meshed with the inner gear.
4. A special equipment self-levelling obstacle surmounting device according to claim 2 or 3, characterized in that: the input end of the main transmission shaft is connected with the output side of the universal joint, and the input side of the universal joint is used for being connected with a power system;
the wheel set assembly comprises two wheel mounting structures, and the two output gears drive the two wheel mounting structures to rotate through transmission shafts respectively.
5. The specialty equipment self-leveling obstacle detouring device of claim 4, wherein: the baffle is arranged on the outer side of the inner gear ring, and a steering mechanism fixing hole is arranged on the baffle.
6. A vehicle chassis, characterized by: the special equipment self-leveling obstacle surmounting device comprises a frame, wheels and the special equipment self-leveling obstacle surmounting device of any one of claims 1-5, wherein a pair of front wheels and/or a pair of rear wheels in the frame are mounted based on the special equipment self-leveling obstacle surmounting device, and the front wheels and/or the rear wheels are mounted on the wheel mounting structure.
7. A vehicle chassis according to claim 6, wherein: the self-leveling obstacle surmounting device of the special equipment is driven by an independent driving motor and a transmission mechanism or respectively driven by a unified driving motor matched with the transmission mechanism.
8. A vehicle chassis according to claim 6 or 7, characterized in that: the steering mechanism is arranged in the frame, and the output end of the steering mechanism is connected with a steering mechanism fixing hole positioned on the baffle plate of the leveling bracket.
9. A vehicle chassis according to claim 8, wherein: the pair of front wheels are installed based on the self-leveling obstacle surmounting device of the special equipment, and the pair of rear wheels are driven by a single motor or respectively driven by a uniform motor matched with a differential transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720710.9U CN219990955U (en) | 2023-10-11 | 2023-10-11 | Special equipment self-leveling obstacle surmounting device and vehicle chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322720710.9U CN219990955U (en) | 2023-10-11 | 2023-10-11 | Special equipment self-leveling obstacle surmounting device and vehicle chassis |
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| Publication Number | Publication Date |
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| CN219990955U true CN219990955U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322720710.9U Active CN219990955U (en) | 2023-10-11 | 2023-10-11 | Special equipment self-leveling obstacle surmounting device and vehicle chassis |
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| Country | Link |
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| CN (1) | CN219990955U (en) |
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- 2023-10-11 CN CN202322720710.9U patent/CN219990955U/en active Active
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