CN214492396U - Mobile platform capable of adjusting wheelbase and wheel base - Google Patents
Mobile platform capable of adjusting wheelbase and wheel base Download PDFInfo
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- CN214492396U CN214492396U CN202120347335.6U CN202120347335U CN214492396U CN 214492396 U CN214492396 U CN 214492396U CN 202120347335 U CN202120347335 U CN 202120347335U CN 214492396 U CN214492396 U CN 214492396U
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Abstract
The utility model relates to the technical field of transportation, and discloses a movable platform capable of adjusting wheel base and wheel base, which comprises a chassis, wherein a front shaft support and a rear shaft support are respectively arranged at the front and the rear of the chassis, and the front shaft support and the rear shaft support are respectively connected with a front wheel and a rear wheel in a rotating way; and/or the two sides of the chassis are symmetrically and rotatably connected with middle wheels, the front shaft support and/or the rear shaft support are/is provided with a wheel base adjusting mechanism, and the front wheels and/or the rear wheels and/or the middle wheels are/is provided with a wheel base adjusting mechanism respectively; the front shaft support and/or the rear shaft support are/is connected to the chassis in a sliding manner through a wheel base adjusting mechanism; the front wheel and/or the rear wheel and/or the middle wheel respectively adjust the wheel track between the two wheels through a wheel track adjusting mechanism. Compared with the prior art, the utility model discloses wheel base, wheel base adjustment mechanism simple structure, control is simple moreover, has improved moving platform's flexibility.
Description
Technical Field
The utility model relates to a transportation technical field, in particular to movable platform of adjustable wheel base and wheel base.
Background
The wheelbase, the left wheelbase and the right wheelbase of the traditional vehicle or the electric wheelchair and the positions of the wheels are fixed, the stability of the vehicle (or the wheelchair) and the turning radius of the vehicle (or the wheelchair) are in direct proportion to the wheelbase, the left wheelbase and the right wheelbase, and the stability of the vehicle cannot be improved and the turning radius of the vehicle cannot be reduced at the same time.
The existing vehicle with the adjustable wheelbase and the adjustable wheelbase has a complex wheelbase and wheelbase adjusting device structure, the weight of the vehicle and the weight of the platform are increased, and the wheelbase adjusting and controlling method are complex, so that the flexibility of a trolley and the platform is poor.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem that exists among the prior art, the utility model provides a moving platform of adjustable wheel base and wheel base, wheel base adjustment mechanism simple structure, control is simple moreover, has improved moving platform's flexibility.
The technical scheme is as follows: the utility model provides a movable platform capable of adjusting wheel base and wheel base, which comprises a chassis, wherein a front shaft support and a rear shaft support are respectively arranged at the front and the rear of the chassis, and the front shaft support and the rear shaft support are respectively connected with a front wheel and a rear wheel in a rotating way; and/or the two sides of the chassis are symmetrically and rotatably connected with middle wheels, the front shaft support and/or the rear shaft support are/is provided with a wheel base adjusting mechanism, and the front wheels and/or the rear wheels and/or the middle wheels are/is provided with a wheel base adjusting mechanism respectively;
the front shaft support and/or the rear shaft support are/is connected to the chassis in a sliding mode through the wheel base adjusting mechanism; the front wheel and/or the rear wheel and/or the middle wheel respectively adjust the wheel track between the two wheels through the wheel track adjusting mechanism.
The wheelbase adjusting mechanism further comprises a chassis slide rail arranged on the chassis, a front axle support slide rail and a rear axle support slide rail which are connected to the chassis slide rail in a sliding manner, the front axle support slide rail and the rear axle support slide rail are respectively arranged on the front axle support and the rear axle support, and driving mechanisms are arranged on the front axle support slide rail and the rear axle support slide rail.
Further, the driving mechanism is a driving linear motor or an electric telescopic rod;
the driving linear motor drives the front shaft support sliding rail and the rear shaft support sliding rail to respectively slide on the chassis sliding rail;
or the telescopic end of the electric telescopic rod is respectively fixed on the front shaft support and the rear shaft support, the other end of the electric telescopic rod is fixed on the chassis, and the electric telescopic rod stretches and retracts to drive the front shaft support and the rear shaft support to slide on the chassis slide rail.
Further, the wheel track adjusting mechanism comprises a bilateral telescopic push-pull mechanism, a coupler, a shaft and a shaft fixer; the push-pull rods on two sides of the bilateral telescopic push-pull mechanism are connected with the shaft through the shaft coupling, the shaft is connected with the front wheel and/or the rear wheel and/or the middle wheel, and the shaft is arranged on the front shaft support and/or the rear shaft support and/or the chassis through a shaft fixing device and moves telescopically under the action of the bilateral telescopic push-pull mechanism.
Further, the wheel track adjusting mechanism comprises a pair of cantilever type supports and a bilateral telescopic push-pull mechanism; the pair of cantilever type supports are respectively hinged with two sides of the front shaft support and/or the rear shaft support, the front wheels and/or the rear wheels are rotatably connected with the free ends of the cantilever type supports, the double-side telescopic push-pull mechanism is fixed on the front shaft support and/or the rear shaft support, and two ends of the double-side telescopic push-pull mechanism are respectively hinged on the cantilever type supports.
Furthermore, the bilateral telescopic push-pull mechanism is a bidirectional electric telescopic rod or a pair of telescopic cylinders which are oppositely arranged.
Furthermore, still be equipped with acceleration sensor, gravity sensor, gyroscope sensor, vision sensor, declination sensor and positioning sensor on the moving platform respectively, each sensor all is connected with the controller, the controller is connected with wheel base adjustment mechanism, wheel base adjustment mechanism difference signal for the controller carries out wheel base, wheel base regulation.
Has the advantages that:
1. the utility model discloses set up wheel base adjustment mechanism and wheel base adjustment mechanism on moving platform, when meetting different road conditions, can adjust wheel base as required, control is simple, can improve stability, the security of vehicle, has improved moving platform's flexibility again, can reduce its turning radius when needing.
2. The utility model discloses an electric control slide rail slides, also can realize the wheel base through electric telescopic handle and adjust, and simple structure realizes easily, has reduced the weight of platform itself.
3. The utility model discloses a flexible of axletree is realized to two flexible push-and-pull mechanisms in side, adjusts the wheel base, and easily realization and control are simple.
4. The utility model discloses a cantilever type support through the rotatory wheel tread automatically regulated who realizes two wheels of cantilever type support, can guarantee the stability of whole platform when adjusting the wheel tread, is difficult for turning on one's side.
5. The utility model discloses realize the automatically regulated of wheel base, wheel base respectively through sensor and controller, adjust through controller control wheel base adjustment mechanism, wheel base adjustment mechanism respectively according to the circumstances such as road conditions (downhill path, uphill, narrow region), the speed of a motor vehicle (with higher speed, speed reduction), turn, reduced the process that the manpower was adjusted, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the mobile platform under different conditions of the present invention;
fig. 2 is a first schematic structural view of a wheel base adjusting mechanism in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a wheel base adjusting mechanism according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a wheel track adjusting mechanism in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a wheel track adjusting mechanism according to embodiment 2 of the present invention;
fig. 6 is a control block diagram of a controller according to an embodiment of the present invention.
The system comprises a chassis, a front shaft support, a rear shaft support, a front wheel, a rear wheel, a middle wheel, a chassis sliding rail, a front shaft support sliding rail, a rear shaft support sliding rail, a front shaft support driving linear motor, a rear shaft support driving linear motor, a front shaft support electric telescopic rod, a rear shaft support electric telescopic rod, a chassis sliding rail, a front shaft support sliding rail, a rear shaft support sliding rail, a front shaft support driving linear motor, a rear shaft support driving linear motor, a front shaft support electric telescopic rod, a rear shaft support electric telescopic rod, a double-side telescopic push-pull mechanism, a coupler 202, a 203-shaft, a 204-shaft fixer and a cantilever type support 205.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, the utility model discloses a moving platform of adjustable wheel base and wheel base, this moving platform adds corresponding accessory on its basis, can regard as to carry vehicles such as thing vehicle, manned vehicle, electronic wheelchair, wheeled robot or mobile device to use. The front wheel, the rear wheel and the middle wheel of the mobile platform can be independently adjusted in front, rear, left and right positions according to requirements, so that the stability (safety) of a vehicle (or a wheelchair) can be improved; and the turning radius can be reduced when needed, and the flexibility is improved. The moving platform may be four-wheel symmetric, or a multi-wheel platform, or a moving platform with front and rear wheels in a single-wheel structure, see fig. 1, where fig. 1 shows a moving platform structure in the case of 3, where (a) is a moving platform with a four-wheel structure, (b) is a moving platform with a six-wheel structure, and (c) is a moving platform with front wheels and rear wheels in the case of a single wheel, and the following embodiments are described by taking a moving platform with four-wheel symmetric as an example.
Embodiment 1:
the movable platform capable of adjusting the wheelbase and the wheelbase comprises a chassis 1, a front axle support 2 and a rear axle support 3 are respectively arranged at the front and the rear of the chassis 1, and front wheels 4 and rear wheels 5 are respectively connected to the front axle support 2 and the rear axle support 3 in a rotating manner. The intermediate wheel 6 is not provided in the present embodiment, and the intermediate wheel 6 will not be described. The front axle support 2 and the rear axle support 3 are provided with wheelbase adjusting mechanisms, and the front wheel 4 and the rear wheel 5 are provided with wheelbase adjusting mechanisms, respectively.
The front shaft support 2 and the rear shaft support 3 are connected to the chassis 1 in a sliding manner through a wheel base adjusting mechanism; the front wheel 4 and the rear wheel 5 respectively adjust the wheel track between the two wheels through a wheel track adjusting mechanism.
The wheelbase adjusting mechanism comprises a chassis slide rail 7 arranged on the chassis 1, a front axle support slide rail 8 and a rear axle support slide rail 9 which are connected to the chassis slide rail 7 in a sliding manner, the front axle support slide rail 8 and the rear axle support slide rail 9 are respectively arranged on the front axle support 2 and the rear axle support 3, and driving mechanisms are arranged on the front axle support slide rail 8 and the rear axle support slide rail 9.
The driving mechanism is a driving linear motor or an electric telescopic rod, and referring to fig. 2 and fig. 3, a front axle support driving linear motor 10 and a rear axle support driving linear motor 11 are connected to the front axle support slide rail 8 and the rear axle support slide rail 9 and are used for driving the front axle support slide rail 8 and the rear axle support slide rail 9 to slide on the chassis slide rail 7 and driving the front axle support 2 and the rear axle support 3 to slide back and forth. Or the telescopic ends of the front shaft support electric telescopic rod 12 and the rear shaft support electric telescopic rod 13 are respectively fixed on the front shaft support 2 and the rear shaft support 3, the other ends of the front shaft support electric telescopic rod and the rear shaft support electric telescopic rod are fixed on the chassis 1, and the front shaft support electric telescopic rod 12 and the rear shaft support electric telescopic rod 13 stretch and retract to realize the sliding of the front shaft support slide rail 8 and the rear shaft support slide rail 9 on the chassis slide rail 7, so that the front shaft support 2 and the rear shaft support 3 are driven to slide back and forth.
The wheel track adjusting mechanism comprises a bilateral telescopic push-pull mechanism 201, a coupler 202, a shaft 203 and a shaft fixer 204; the push-pull rods on both sides of the double-side telescopic push-pull mechanism 201 are connected with a shaft 203 through a coupler 202, the shaft 203 is respectively connected with the front wheel 4 and the rear wheel 5, and the shaft 203 is arranged on the front shaft support 2 and the rear shaft support 3 through a shaft fixer 204 and moves telescopically under the action of the double-side telescopic push-pull mechanism 201. The shaft holder 204 and the shaft 203 are fixed by a linear bearing, and the shaft 203 can have a one-dimensional degree of freedom in the left-right direction with respect to the shaft holder 204.
The bilateral telescopic push-pull mechanism 201 is a bidirectional electric telescopic rod or a pair of telescopic cylinders which are oppositely arranged. The wheel track adjustment is realized through the extension and contraction of a bidirectional electric telescopic rod or a pair of telescopic cylinders.
The mobile platform is also provided with an acceleration sensor, a gravity sensor, a gyroscope sensor, a vision sensor, a magnetic declination sensor and a positioning sensor, wherein the sensors are connected with a controller, and the controller is in signal connection with the wheelbase adjusting mechanism and the wheelbase adjusting mechanism respectively and is used for adjusting the wheelbase and the wheelbase by the controller. In the present embodiment, the control process of the controller is as shown in fig. 6.
When the sensor detects that the mobile platform is in the conditions of downhill, deceleration and braking, the front axle bracket 2 is controlled to extend forwards, and the wheelbase of the front wheel is increased.
When the sensor detects that the mobile platform is on an uphill slope, is accelerated and is quickly backed up, the rear shaft support 3 is controlled to extend backwards, and the wheel base of the rear wheel 5 is increased.
When the sensor detects that the front road surface is inclined and turns at high speed, the front wheels 4 and the rear wheels 5 are controlled to extend outwards, and the wheel track of the left wheels and the wheel track of the right wheels are increased.
When the sensor detects that the front side is a narrow road surface and the vehicle is turning at a low speed, the front wheels 4 and the rear wheels 5 are controlled to contract inwards, and the track widths of the left and right wheels are reduced.
And when the sensor detects that the vehicle is in the high-speed running process at present, controlling to increase the wheelbases and the wheelbases of the front wheels and the rear wheels.
Embodiment 2:
the wheel track adjusting mechanism in this embodiment includes a pair of cantilever brackets 205 and a bilateral telescopic push-pull mechanism 201; the pair of cantilever brackets 205 are respectively hinged with the two sides of the front shaft bracket 2 and the rear shaft bracket 3, the front wheel 4 and the rear wheel 5 are rotatably connected with the free ends of the cantilever brackets 205, the double-side telescopic push-pull mechanism 201 is fixed on the front shaft bracket 2 and the rear shaft bracket 3, and the two ends of the double-side telescopic push-pull mechanism are respectively hinged on the cantilever brackets 205. Referring to fig. 5, the double-side retractable push-pull mechanism 201 is a bidirectional electric retractable rod or a pair of oppositely disposed retractable cylinders. The rotation of the cantilever type bracket 205 on the front shaft bracket 2 and the rear shaft bracket 3 is realized by the expansion and contraction of a bidirectional electric expansion rod or a pair of expansion and contraction cylinders, and the wheel track adjustment between two wheels is further realized.
Other structures of this embodiment are the same as those of embodiment 1, and are not described herein.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A movable platform capable of adjusting wheelbase and wheelbase comprises a chassis (1), wherein a front shaft support (2) and a rear shaft support (3) are respectively arranged at the front and the rear of the chassis (1), and a front wheel (4) and a rear wheel (5) are respectively connected to the front shaft support (2) and the rear shaft support (3) in a rotating manner; and/or the two sides of the chassis (1) are symmetrically and rotatably connected with intermediate wheels (6), and the chassis is characterized in that the front shaft support (2) and/or the rear shaft support (3) are/is provided with a wheel base adjusting mechanism, and the front wheels (4) and/or the rear wheels (5) and/or the intermediate wheels (6) are/is provided with a wheel base adjusting mechanism respectively;
the front axle support (2) and/or the rear axle support (3) are/is connected to the chassis (1) in a sliding manner through the wheel base adjusting mechanism; the front wheel (4) and/or the rear wheel (5) and/or the intermediate wheel (6) respectively adjust the wheel track between the two wheels through the wheel track adjusting mechanism.
2. The mobile platform capable of adjusting wheelbase and wheelbase according to claim 1, wherein the wheelbase adjusting mechanism comprises a chassis slide rail (7) disposed on the chassis (1), a front axle support slide rail (8) slidably connected to the chassis slide rail (7), and a rear axle support slide rail (9), the front axle support slide rail (8) and the rear axle support slide rail (9) are disposed on the front axle support (2) and the rear axle support (3), respectively, and a driving mechanism is disposed on the front axle support slide rail (8) and the rear axle support slide rail (9).
3. The mobile platform with adjustable wheelbase and wheeltrack as claimed in claim 2, wherein the driving mechanism is a driving linear motor or an electric telescopic rod;
the driving linear motor drives the front shaft support sliding rail (8) and the rear shaft support sliding rail (9) to respectively slide on the chassis sliding rail (7);
or the telescopic end of the electric telescopic rod is respectively fixed on the front shaft support (2) and the rear shaft support (3), the other end of the electric telescopic rod is fixed on the chassis (1), and the electric telescopic rod stretches and drives the front shaft support (2) and the rear shaft support (3) to slide on the chassis slide rail (7).
4. The mobile platform with adjustable wheelbase and wheelbase as claimed in claim 1, wherein the wheelbase adjusting mechanism comprises a double-sided telescopic push-pull mechanism (201), a coupler (202), a shaft (203) and a shaft holder (204); the push-pull rods on two sides of the bilateral telescopic push-pull mechanism (201) are connected with the shaft (203) through the coupler (202), the shaft (203) is connected with the front wheel (4) and/or the rear wheel (5) and/or the middle wheel (6), the shaft (203) is arranged on the front shaft support (2) and/or the rear shaft support (3) and/or the chassis (1) through a shaft fixer (204), and the shaft can stretch and move under the action of the bilateral telescopic push-pull mechanism (201).
5. The mobile platform with adjustable wheelbase and wheelbase as claimed in claim 1, wherein the wheelbase adjusting mechanism comprises a pair of cantilever brackets (205) and a double-sided telescopic push-pull mechanism (201); the pair of cantilever type supports (205) are respectively hinged with two sides of the front shaft support (2) and/or the rear shaft support (3), the front wheels (4) and/or the rear wheels (5) are rotatably connected with the free ends of the cantilever type supports (205), the double-side telescopic push-pull mechanism (201) is fixed on the front shaft support (2) and/or the rear shaft support (3), and two ends of the double-side telescopic push-pull mechanism are respectively hinged on the cantilever type supports (205).
6. The mobile platform with adjustable wheelbase and wheel track as claimed in claim 4 or 5, wherein the bilateral telescopic push-pull mechanism (201) is a bidirectional electric telescopic rod or a pair of oppositely arranged telescopic cylinders.
7. The moving platform with adjustable wheelbase and wheelbase according to any one of claims 1 to 5, further comprising an acceleration sensor, a gravity sensor, a gyroscope sensor, a vision sensor, a magnetic declination sensor and a positioning sensor, wherein the acceleration sensor, the gravity sensor, the gyroscope sensor, the vision sensor, the magnetic declination sensor and the positioning sensor are respectively disposed on the moving platform, and each sensor is connected to a controller, and the controller is respectively in signal connection with the wheelbase adjusting mechanism and the wheelbase adjusting mechanism, and is used for the controller to adjust the wheelbase and the wheelbase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347335.6U CN214492396U (en) | 2021-02-07 | 2021-02-07 | Mobile platform capable of adjusting wheelbase and wheel base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347335.6U CN214492396U (en) | 2021-02-07 | 2021-02-07 | Mobile platform capable of adjusting wheelbase and wheel base |
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| Publication Number | Publication Date |
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| CN214492396U true CN214492396U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120347335.6U Active CN214492396U (en) | 2021-02-07 | 2021-02-07 | Mobile platform capable of adjusting wheelbase and wheel base |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895891A (en) * | 2021-11-01 | 2022-01-07 | 郑州宝冶钢结构有限公司 | Self-adaptive steel rail transmission device |
| CN114715275A (en) * | 2022-03-22 | 2022-07-08 | 浙江吉利控股集团有限公司 | Chassis structure and electric automobile |
| CN114771155A (en) * | 2022-06-22 | 2022-07-22 | 徐州永盛机电有限公司 | Motor axle assembly for driving electric vehicle |
| CN115503827A (en) * | 2022-11-16 | 2022-12-23 | 福建省威盛机械发展有限公司 | Vehicle chassis and transport vehicle |
| WO2024077641A1 (en) * | 2022-10-14 | 2024-04-18 | 深圳市闪至科技有限公司 | Movable platform, chassis of movable platform and control method thereof, and storage medium |
-
2021
- 2021-02-07 CN CN202120347335.6U patent/CN214492396U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895891A (en) * | 2021-11-01 | 2022-01-07 | 郑州宝冶钢结构有限公司 | Self-adaptive steel rail transmission device |
| CN114715275A (en) * | 2022-03-22 | 2022-07-08 | 浙江吉利控股集团有限公司 | Chassis structure and electric automobile |
| CN114771155A (en) * | 2022-06-22 | 2022-07-22 | 徐州永盛机电有限公司 | Motor axle assembly for driving electric vehicle |
| WO2024077641A1 (en) * | 2022-10-14 | 2024-04-18 | 深圳市闪至科技有限公司 | Movable platform, chassis of movable platform and control method thereof, and storage medium |
| CN115503827A (en) * | 2022-11-16 | 2022-12-23 | 福建省威盛机械发展有限公司 | Vehicle chassis and transport vehicle |
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