CN215043368U - Take four-wheel drive electronic round chassis - Google Patents
Take four-wheel drive electronic round chassis Download PDFInfo
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- CN215043368U CN215043368U CN202120929062.6U CN202120929062U CN215043368U CN 215043368 U CN215043368 U CN 215043368U CN 202120929062 U CN202120929062 U CN 202120929062U CN 215043368 U CN215043368 U CN 215043368U
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Abstract
The utility model relates to a take electronic round of chassis of four-wheel drive, including chassis and the automobile body frame of connection in the chassis upper end, the chassis is enclosed to establish by the curb plate of two left and right sides parallels and preceding connecting rod, back even board around parallel and is constituteed, curb plate rear end inboard has all set firmly motor and this motor output shaft and all transversely runs through the curb plate outwards and link to each other with the rubber wheel, the curb plate front end outside all is connected with the omniwheel, and percutaneous band pulley subassembly is connected synchronous rotation between the rubber wheel of homonymy and the omniwheel, be equipped with a plurality of bradyseism springs on the automobile body frame and extend down and be connected with the chassis, this take electronic round of chassis of four-wheel drive stable in structure, the difficult side-to-side deflection of straight going, brake distance is short and safer, and the turning radius is realized changeing in narrow space for a short time.
Description
Technical Field
The utility model relates to a take four to drive electronic round of chassis.
Background
With the progress and development of society, daily study, work and life are carried out. The four-wheel drive electric wheel chassis is widely applied to products such as intelligent robots, medical electric wheelchairs, shared mobility scooter and the like. The four-wheel-drive electric wheel chassis serves as an ideal travel tool, the market demand is large, the medical four-wheel-drive electric wheelchair is suitable for the old and the weak with disabled lower limbs and inconvenient walking, and compared with the four-wheel-drive electric wheel chassis wheelchair, the four-wheel-drive electric wheelchair is large in moving range, suitable for multiple crowds and strong in function. The four-wheel drive electric wheel chassis is used as a main component of the intelligent electric wheelchair and is the most direct part for the disabled to control the four-wheel drive electric wheelchair. The four-wheel drive electric wheelchair is controlled by a user through the controller to express the operation intention and realize the control of the running speed and the running direction of the four-wheel drive electric wheelchair, so that the four-wheel drive electric wheel chassis is very important for the running of products such as the whole medical electric wheelchair, an intelligent robot, a shared scooter and the like, and the four-wheel drive electric wheel chassis is used for snow days, muddy road sections, mountain roads, climbing, lawn lands, obstacle crossing performance and the like to obtain stronger traffic capacity.
However, the existing four-wheel drive electric wheel chassis is unstable in straight running, the problem that people cannot be injured due to stopping in time easily occurs due to long braking distance, the rotating radius is large, turning cannot be realized in a narrow space, and the running safety is low.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model aims to solve the technical problem that a take four-wheel drive electronic round chassis is provided, not only rational in infrastructure, safety and stability moreover.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a take four-wheel drive electronic round chassis, includes the chassis and connects the automobile body frame in the chassis upper end, the chassis is enclosed by the curb plate of two left and right sides parallels and preceding connecting rod, back even board of front and back and establishes and form, curb plate rear end inboard all has set firmly the motor and this motor output shaft all transversely runs through the curb plate outwards and links to each other with the rubber wheel, the curb plate front end outside all is connected with the omniwheel, is connected synchronous rotation through the belt pulley subassembly between the rubber wheel of homonymy and the omniwheel, be equipped with a plurality of bradyseism springs on the automobile body frame and extend down and be connected with the chassis.
Furthermore, the belt pulley of the front side of the belt pulley assembly is coaxially arranged with the omnidirectional wheel and rotates, and the belt pulley of the rear side is coaxially arranged with the rubber wheel and sleeved outside the output shaft and in key connection with the output shaft.
Furthermore, the two all-direction wheels and the two rubber wheels are arranged on the outer sides of the two side plates in a bilateral symmetry mode, the outer end faces of the two side plates are provided with the elastic wheels and penetrate through a belt in a winding mode, the centers of the elastic wheels are connected with the connecting shaft through bearings, the outer end faces of the side plates are provided with positioning grooves for the elastic wheels to slide back and forth and adjust positions along the length direction of the outer end faces of the side plates, the inner ends of the connecting shaft extend into the positioning grooves, the positioning plates are fixedly arranged on the connecting shaft between the elastic wheels and the side plates, and the side plates are provided with a plurality of connecting holes fixed with the positioning plates through bolts at intervals.
Furthermore, the upper and lower ends of the cushioning springs are respectively connected with the vehicle body frame and the chassis through the hinged seats, four cushioning springs are provided, two of the cushioning springs are arranged on the outer side of the vehicle body frame in a left-right parallel mode and extend vertically to be connected with the outer end face of the side plate, and the other two cushioning springs are arranged on the rear end of the vehicle body frame in a rotating mode and extend obliquely towards the rear lower side to be connected with the rear connecting plate.
Further, the left end and the right end of the front connecting rod are connected with the two side plates through connecting blocks, the front end of the vehicle body frame is fixedly connected with a U-shaped rod extending obliquely downwards, the opening of the U-shaped rod faces upwards, the lower end of the U-shaped rod is supported and fixed through a supporting plate in an L shape, and the horizontal section of the supporting plate is fixedly connected onto the front connecting rod.
Furthermore, a pedal is hinged on the front connecting rod.
Furthermore, the rubber wheel is used as a driving wheel and is driven by combining with an omnidirectional wheel used as a steering wheel.
Compared with the prior art, the utility model discloses following beneficial effect has: this take four-wheel drive electronic round chassis, it is more steady comfortable to go on the road surface, and the straight line is difficult for the side to side beat, and braking distance is short and safer, and turning radius can be transferred in narrow space for a short time. The four-wheel drive type road obstacle crossing device is suitable for environments such as snow days, muddy road sections, mountain roads, climbing slopes and lawn fields, has good obstacle crossing performance and the like, and has stronger traffic capacity.
The four-wheel-drive electric chassis adopts an omnidirectional wheel steering mode to reduce the steering rotation radius distance, so that the upper seat is more stable and is not easy to turn on one's side and topple over, the running is safer, and the working efficiency of the wheelchair in the running process is improved.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a bottom view of an embodiment of the present invention;
fig. 3 is a side view of an embodiment of the invention;
FIG. 4 is a schematic view of the embodiment of the present invention with the foot pedal removed;
FIG. 5 is a schematic view of the connection between the tension wheel and the side plate in the embodiment of the present invention;
FIG. 6 is a schematic view of the connection between the front connecting rod and the side plate according to the embodiment of the present invention;
fig. 7 is a perspective view of an embodiment of the present invention.
In the figure: 1-chassis, 2-body frame, 3-side plate, 4-front connecting rod, 5-rear connecting plate, 6-motor, 7-rubber wheel, 8-omnidirectional wheel, 9-cushioning spring, 10-belt pulley, 11-elastic wheel, 12-belt, 13-bearing, 14-connecting shaft, 15-positioning groove, 16-positioning plate, 17-connecting hole, 18-connecting block, 19-U-shaped rod, 20-supporting plate and 21-pedal.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-7, an electronic round of chassis is driven to area four, including chassis 1 and the automobile body frame 2 of connection in the chassis upper end, the chassis is enclosed to establish by the curb plate 3 of two left and right parallels and preceding connecting rod 4, back even board 5 of front and back and is constituteed, curb plate rear end inboard all has set firmly motor 6 and this motor output shaft and all transversely runs through the curb plate outwards and links to each other with rubber wheel 7, the curb plate front end outside all is connected with omniwheel 8, is connected synchronous rotation through the belt pulley subassembly between the rubber wheel of left and right sides direction homonymy and the omniwheel, be equipped with a plurality of bradyseism springs 9 on the automobile body frame and extend down and be connected with the chassis.
The embodiment of the utility model provides an in, the belt pulley 10 of the front side of belt pulley subassembly all with the coaxial setting of omniwheel and take it to rotate, the belt pulley of rear side all with the coaxial setting of rubber tyer and establish outside the output shaft and rather than the key-type connection.
In the embodiment of the utility model, two omnidirectional wheels and two rubber wheels are symmetrically arranged at the outer side of two side plates, the outer end surfaces of the two side plates are provided with elastic wheels 11 and are wound and passed through a belt 12, the centers of the elastic wheels are connected with a connecting shaft 14 through a bearing 13, the outer end surfaces of the side plates are provided with a positioning groove 15 along the length direction for the elastic wheels to slide and position back and forth, the inner end of the connecting shaft extends into the positioning groove, a positioning plate 16 is fixedly arranged on the connecting shaft between the elastic wheels and the side plates, a fixing plate is sleeved on the connecting shaft and is fixedly arranged into a whole, a plurality of connecting holes 17 fixed with the positioning plate through bolts are arranged on the side plates at intervals, the positioning plate is square, the connecting holes are provided with two rows and are symmetrically arranged up and down along the positioning groove, the lower ends of the elastic wheels are pressed on the belt or the upper ends of the elastic wheels are abutted against the belt, the elastic wheels can be adjusted back and forth, and back slide along the positioning groove, thereby adjusting the tightness of the belt.
The embodiment of the utility model provides an in, the lower extreme all is connected with automobile body frame and chassis respectively through articulated seat on the bradyseism spring, and the bradyseism spring supplies to be equipped with four, and wherein about two parallels establish in the automobile body frame outside and vertical extension and curb plate outer terminal surface be connected, and other two are all rotated and are connected the setting and link the board after automobile body frame rear end and towards the slant extension of rear below and be connected.
The embodiment of the utility model provides an in, the right-hand member all is connected with the both sides board through connecting block 18 before the connecting rod, automobile body frame front end links firmly has oblique downwardly extending's U type pole 19, and this U type pole opening up and the lower extreme supports fixedly through the backup pad 20 that is the L form, the backup pad horizontal segment links firmly in the front on the connecting rod.
In the embodiment of the present invention, the front connecting rod is hinged with a pedal 21.
In the embodiment of the present invention, the rubber wheel is used as a driving wheel and is driven in combination with an omnidirectional wheel as a steering wheel.
The utility model discloses theory of operation of embodiment: the rear driving motor and the belt pulley are adopted to synchronously drive the rubber wheel and the omnidirectional wheel, the mechanical driving mode and the omnidirectional steering characteristic of the omnidirectional wheel realize the four-wheel driving function, and the four-wheel driving motor drives the four wheels to simultaneously run and drive to walk so as to obtain stronger trafficability. The four-wheel-drive electric chassis adopts the omni-directional wheel steering mode to reduce the steering rotation radius distance, so that the upper seat is more stable and is not easy to turn over and topple over, the running is ensured to be safer, the working efficiency of the running process of the wheelchair is improved, and the running mode mainly comprises the following steps:
(1) when the vehicle moves forwards in a straight line: the left and right driving motors simultaneously rotate forwards to drive the rear belt pulley to synchronously drive the front belt pulley to rotate together, so as to drive the omnidirectional wheel to rotate and walk to realize forward and straight movement;
(2) when the vehicle is moving backwards in a straight line: the left and right driving motors simultaneously rotate reversely to drive the rear belt pulley to drive the front belt pulley to rotate together through the synchronous belt, and further drive the omnidirectional wheel to rotate and walk to realize backward and straight movement;
(3) when walking in the left direction: the left driving motor slows down the rotating speed or stops rotating, but the right driving motor operates at normal speed per hour or in an accelerated state to drive the rear belt pulley to drive the front belt pulley to rotate together through the synchronous belt, so as to drive the right omnidirectional wheel to rotate to realize walking, and at the moment, the rotating speed of the right rubber wheel and the omnidirectional wheel is greater than that of the left side, so that the left-side rotating driving action can be realized;
(4) when walking to the right direction: the right driving motor slows down the rotating speed or stops rotating, but the left driving motor operates at normal speed per hour or in an accelerated state to drive the rear belt pulley to drive the front belt pulley to rotate together through the synchronous belt, so as to drive the left omnidirectional wheel to rotate to realize walking, and at the moment, the rotating speed of the left rubber wheel and the omnidirectional wheel is greater than that of the right rubber wheel and the omnidirectional wheel, so that the right rubber wheel and the omnidirectional wheel can rotate to run rightwards;
(5) rotating to left in-situ center: the left side driving motor rotates reversely, the right side driving motor rotates positively, and the left side driving motor operates at the same speed state, so that the left original place center 360-degree rotation driving action can be realized.
(6) When rotating to right pivot center: the left driving motor rotates forwards, the right driving motor rotates backwards, and the left driving motor operates at the same speed, so that the left pivot center can rotate by 360 degrees to run.
The present invention is not limited to the above preferred embodiments, and any person can obtain other various types of chassis with four-wheel drive electric wheels under the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a take four-wheel drive electric wheel chassis which characterized in that: including chassis and the automobile body frame of connection in the chassis upper end, the chassis is enclosed by the curb plate of two parallels about and preceding connecting rod, back even board and is established and form, curb plate rear end inboard has all set firmly motor and this motor output shaft and all transversely runs through the curb plate outwards and link to each other with the rubber wheel, the curb plate front end outside all is connected with the omniwheel, is connected synchronous rotation through the belt pulley subassembly between the rubber wheel of homonymy and the omniwheel, be equipped with a plurality of bradyseism springs on the automobile body frame and extend down and be connected with the chassis.
2. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: the belt pulley of the front side of the belt pulley assembly is coaxially arranged with the omnidirectional wheel and rotates, and the belt pulley of the rear side is coaxially arranged with the rubber wheel and sleeved outside the output shaft and in key connection with the output shaft.
3. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: two omnidirectional wheels and two rubber wheels all bilateral symmetry set up in the both sides board outside, all are equipped with the elasticity wheel on the outer terminal surface of both sides board and pass through the belt winding, and this elasticity wheel center is connected with even axle through the bearing, the position groove that supplies the elasticity wheel to slide the positioning around all along its length direction is seted up to the outer terminal surface of curb plate, even axle inner extends into the position groove, has set firmly the locating plate on the axle that links between elasticity wheel and curb plate, the interval is equipped with a plurality ofly and the locating plate passes through the connecting hole of bolt fastening on the curb plate.
4. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: the upper and lower ends of the cushioning springs are respectively connected with the vehicle body frame and the chassis through the hinged seats, four cushioning springs are provided, two of the cushioning springs are arranged on the outer side of the vehicle body frame in a left-right parallel mode and extend vertically to be connected with the outer end face of the side plate, and the other two cushioning springs are arranged on the rear end of the vehicle body frame in a rotating mode and extend obliquely towards the rear lower side to be connected with the rear connecting plate.
5. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: the left end and the right end of the front connecting rod are connected with the two side plates through the connecting block, the front end of the vehicle body frame is fixedly connected with a U-shaped rod extending obliquely downwards, the opening of the U-shaped rod faces upwards, the lower end of the U-shaped rod is supported and fixed through a supporting plate in an L shape, and the horizontal section of the supporting plate is fixedly connected onto the front connecting rod.
6. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: the front connecting rod is hinged with a pedal.
7. The electric wheel chassis with four wheels drive according to claim 1, characterized in that: the rubber wheel is used as a driving wheel and is driven by combining with the omnidirectional wheel used as a steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929062.6U CN215043368U (en) | 2021-04-30 | 2021-04-30 | Take four-wheel drive electronic round chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929062.6U CN215043368U (en) | 2021-04-30 | 2021-04-30 | Take four-wheel drive electronic round chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215043368U true CN215043368U (en) | 2021-12-07 |
Family
ID=79108178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120929062.6U Active CN215043368U (en) | 2021-04-30 | 2021-04-30 | Take four-wheel drive electronic round chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215043368U (en) |
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2021
- 2021-04-30 CN CN202120929062.6U patent/CN215043368U/en active Active
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