CN112009225A - Vehicle translation drive assembly and vehicle - Google Patents
Vehicle translation drive assembly and vehicle Download PDFInfo
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- CN112009225A CN112009225A CN202010810057.3A CN202010810057A CN112009225A CN 112009225 A CN112009225 A CN 112009225A CN 202010810057 A CN202010810057 A CN 202010810057A CN 112009225 A CN112009225 A CN 112009225A
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D9/00—Steering deflectable wheels not otherwise provided for
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- Combustion & Propulsion (AREA)
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Abstract
The invention provides a vehicle translation driving assembly and a vehicle, and relates to the technical field of vehicle structures, wherein the vehicle translation driving assembly comprises a vehicle frame, a main rotary disc, a cam rotary disc, a steering rod, a driving device, a transmission mechanism and a travelling wheel, wherein the main rotary disc and the cam rotary disc are coaxially and rotatably arranged at the bottom of the vehicle frame; the steering rod penetrates through the frame, and the lower end of the steering rod is connected to the cam rotating disc in a transmission manner and can drive the cam rotating disc to rotate; the bottom surface of the cam rotary disc is provided with an annular guide groove, and the center line of the groove body of the cam rotary disc extends along the offset circle of the cam rotary disc; one end of the transmission mechanism is connected with the main rotary disc, the other end of the transmission mechanism is arranged in the annular guide groove in a sliding manner, and the travelling wheels are arranged on the transmission mechanism; the driving device is arranged on the frame and is in transmission connection with the main rotary disc, and the driving device is configured to drive the main rotary disc to rotate relative to the frame so as to drive the transmission mechanism to drive the travelling wheels to roll along the cycloid locus. The invention solves the technical problems of complex operation and large operation space requirement during vehicle translation in the prior art.
Description
Technical Field
The invention relates to the technical field of vehicle structures, in particular to a vehicle translation driving assembly and a vehicle.
Background
In the prior art, when a vehicle needs to translate leftwards or rightwards, the vehicle must advance or retreat firstly, then rotate a steering wheel to adjust an angle and advance or retreat again, and the translation purpose can be achieved by repeating the steps for many times, and at least the technical problems of complex operation and large operation space are caused.
Disclosure of Invention
The invention aims to provide a vehicle translation driving assembly and a vehicle, which are used for solving the technical problems that the operation is complex and a large operation space is required during the translation of the vehicle in the prior art.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a vehicle translational drive assembly, which includes a vehicle frame, a main rotating disc, a cam rotating disc, a steering rod, a drive device, a transmission mechanism and a road wheel;
the main rotary disc and the cam rotary disc are coaxially and rotatably arranged at the bottom of the frame; the steering rod penetrates through the frame, the lower end of the steering rod is in transmission connection with the cam rotary disc, and the steering rod is configured to drive the cam rotary disc to rotate relative to the frame;
an annular guide groove is formed in the bottom surface of the cam rotary disc, and the center line of the groove body of the annular guide groove extends along the offset circle of the cam rotary disc; one end of the transmission mechanism is connected to the main rotary disc, the other end of the transmission mechanism is arranged in the annular guide groove in a sliding mode, and the traveling wheel is mounted on the transmission mechanism;
the driving device is arranged on the frame and is in transmission connection with the main rotary disc, and the driving device is configured to drive the main rotary disc to rotate relative to the frame so as to drive the transmission mechanism to drive the travelling wheel to roll along a cycloid locus.
In an alternative embodiment, the transmission mechanism comprises a plurality of transmission units, each of which comprises a first rotating arm, a second rotating arm, a third rotating arm, a fourth rotating arm and a guide roller;
the first end of the second rotating arm is hinged to the second end of the first rotating arm, the first end of the third rotating arm is hinged to the second end of the second rotating arm, and the second end of the third rotating arm is hinged to the middle of the fourth rotating arm; the first end of the fourth rotating arm is hinged to the part, close to the main rotating disc, of the first rotating arm, the top surface of the other end of the fourth rotating arm is provided with the guide roller, and the guide roller is arranged in the annular guide groove in a sliding mode;
the traveling wheels are mounted on the bottom surface of the second rotating arm; the first ends of the first rotating arms of the plurality of transmission units are fixedly connected to the main rotating disc at intervals along the circumferential direction of the main rotating disc.
In an alternative embodiment, in the same radial direction of the cam rotary disc, the distance between the center line of the annular guide groove and the center of the base circle of the cam rotary disc is a, the distance between the outer edge of the cam rotary disc and the center of the base circle of the cam rotary disc is b, and the ratio obtained by a/b is c, then c in any two radial directions of the cam rotary disc is equal.
In an alternative embodiment, the first ends of the first rotary arms of the plurality of transmission units are connected to the main rotary disk at regular intervals in a circumferential direction of the main rotary disk.
In an alternative embodiment, the transmission units comprise two transmission units, wherein the first end of the first rotating arm of one transmission unit and the first end of the first rotating arm of the other transmission unit are symmetrically arranged at the front end and the rear end of the main rotating disk; or the transmission units comprise three transmission units, and connecting lines among the first ends of the first rotating arms of the three transmission units form an equilateral triangle.
In other alternative embodiments, the transmission units include four transmission units, and the first ends of the first rotation arms of the four transmission units are sequentially connected end to form a square or a rectangle.
In an optional embodiment, a first transmission gear ring is arranged on the outer peripheral surface of the lower end of the steering rod, and a second transmission gear ring is arranged on the cam rotary disk and is meshed with the first transmission gear ring.
In an alternative embodiment, the centre of the first gear ring coincides with the centre of the base circle of the cam carousel.
In an optional implementation mode, the driving device comprises a power supply, a motor and a driving gear, the power supply and the motor are both fixed on the frame, the motor is connected to the power supply, the driving gear is connected to an output shaft of the motor, a main transmission gear ring is arranged on the main rotary disc, and the main transmission gear ring is meshed with the driving gear.
In a second aspect, embodiments of the present invention provide a vehicle comprising a steering wheel, a driven wheel and a vehicle translational drive assembly according to any one of the preceding embodiments; wherein: the driven wheel is arranged at the bottom of the frame and is positioned behind the cam rotary disc; the steering wheel is mounted on the top of the steering rod.
The embodiment of the invention can realize the following beneficial effects:
in a first aspect, an embodiment of the present invention provides a vehicle translation driving assembly, which includes a vehicle frame, a main rotating disc, a cam rotating disc, a steering rod, a driving device, a transmission mechanism, and a road wheel. The main rotary disc and the cam rotary disc are coaxially and rotatably arranged at the bottom of the frame; the steering rod penetrates through the frame, the lower end of the steering rod is in transmission connection with the cam rotary disc, and the steering rod is configured to drive the cam rotary disc to rotate relative to the frame; an annular guide groove is formed in the bottom surface of the cam rotary disc, and the center line of the groove body of the annular guide groove extends along the offset circle of the cam rotary disc; one end of the transmission mechanism is connected to the main rotary disc, the other end of the transmission mechanism is arranged in the annular guide groove in a sliding mode, and the traveling wheels are arranged on the transmission mechanism; the driving device is arranged on the frame and is in transmission connection with the main rotary disc, and the driving device is configured to drive the main rotary disc to rotate relative to the frame so as to drive the transmission mechanism to drive the travelling wheels to roll along the cycloid locus.
The vehicle translation driving assembly provided by the embodiment of the invention is applied to a vehicle, as the main rotary disc and the cam rotary disc are coaxially and rotatably arranged at the bottom of the vehicle frame, the steering rod drives the cam rotary disc to rotate relative to the vehicle frame, namely, the phase angle of the cam rotary disc relative to the main rotary disc can be adjusted, and one end of the transmission mechanism connected with the cam rotary disc rotates along with the cam rotary disc, so that the position of a travelling wheel is adjusted, and the moving direction of the vehicle frame is determined; then, the driving device drives the main rotary disc to rotate relative to the frame, the transmission mechanism is restrained by the annular guide groove on the cam rotary disc and is driven by the main rotary disc, and then the traveling wheels are driven to roll along the cycloid locus, so that the vehicle moves along the cycloid locus, the vehicle at the moment can easily realize the translation of the vehicle in the left and right directions by using a small space, and the translation process is easy to operate.
In conclusion, the embodiment at least alleviates the technical problems of complex operation and large operation space requirement during vehicle translation in the prior art.
In addition, a second aspect of the embodiments of the present invention further provides a vehicle, where the vehicle includes a steering wheel, a driven wheel, and the vehicle translational drive assembly provided by the foregoing first aspect; wherein: the driven wheel is arranged at the bottom of the frame and is positioned behind the cam rotary disc; the steering wheel is mounted on top of the steering rod.
Because the vehicle provided by the embodiment of the present invention includes the vehicle translational drive assembly provided by the first aspect, the vehicle provided by the embodiment of the present invention can achieve all the beneficial effects that the vehicle translational drive assembly provided by the first aspect can achieve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a vehicle incorporating a vehicular translational drive assembly in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a vehicle incorporating a vehicle translation drive assembly in accordance with an embodiment of the present invention;
FIG. 3 is an isometric view of the overall structure from a first perspective of a vehicle incorporating a translational drive assembly according to an embodiment of the invention;
FIG. 4 is an isometric view of the overall structure of a vehicle incorporating a translational vehicle drive assembly in accordance with an embodiment of the present invention from a second perspective;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a cross-sectional view taken along the front-rear direction of FIG. 4;
FIG. 7 is a sectional view taken along line B-B of FIG. 1;
FIG. 8 is a schematic view of an assembly structure of the steering rod to the cam rotary disk according to the embodiment of the present invention;
FIG. 9 is an isometric view from below of a cam plate according to an embodiment of the present invention;
FIG. 10 is a bottom view of a cam follower disk in an embodiment of the present invention;
fig. 11 is an overall structural view of the main turn plate to which the first turn arm is connected in the embodiment of the present invention.
Icon: 1-a vehicle frame; 2-main rotary disc; 21-a main transmission gear ring; 3-cam rotating disc; 30-an annular guide groove; 31-a second transmission gear ring; 4-a steering rod; 41-a first transmission gear ring; 5-a drive device; 50-a drive gear; 6-travelling wheels; 7-a transmission unit; 71-a first swivel arm; 72-a second rotating arm; 73-a third rotating arm; 74-a fourth rotating arm; 75-guide rollers; 8-a steering wheel; 9-driven wheel; 10-a seat; 11-a pedal; 12-rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
The embodiment provides a vehicle translation driving assembly, and referring to fig. 1 to 7, the vehicle translation driving assembly comprises a vehicle frame 1, a main rotary disk 2, a cam rotary disk 3, a steering rod 4, a driving device 5, a transmission mechanism and a traveling wheel 6.
Wherein: the main rotary disk 2 and the cam rotary disk 3 are coaxially and rotatably mounted on the bottom of the frame 1, and specifically, as shown in fig. 11, a rotary shaft 12 is fixedly connected to the top of the main rotary disk 2, the cam rotary disk 3 is fitted around the outer portion of the rotary shaft 12, a rotary shaft mounting hole is formed in the frame 1, and the rotary shaft 12 is rotatably mounted in the rotary shaft mounting hole in the frame 1, or a rotary shaft is fixed in a mounting hole formed in the frame 1, so that the main rotary disk 2 and the cam rotary disk 3 are both fitted around the rotary shaft via a rotary bearing, and the like. The steering rod 4 penetrates through a steering rod mounting through hole formed in the frame 1, the lower end of the steering rod 4 is connected to the cam rotary disc 3 in a transmission mode, and the steering rod 4 is configured to drive the cam rotary disc 3 to rotate relative to the frame 1; an annular guide groove 30 is formed in the bottom surface of the cam rotary disc 3, and the center line of a groove body of the annular guide groove 30 extends along the offset circle of the cam rotary disc 3; one end of the transmission mechanism is connected to the main rotary disc 2, the other end of the transmission mechanism is arranged in the annular guide groove 30 in a sliding mode, and the travelling wheels 6 are arranged on the transmission mechanism; the driving device 5 is installed on the frame 1 and is in transmission connection with the main rotary disc 2, and the driving device 5 is configured to drive the main rotary disc 2 to rotate relative to the frame 1 so as to drive the transmission mechanism to drive the travelling wheels 6 to roll along a cycloid track.
The vehicle translation driving assembly provided by the embodiment is applied to a vehicle, as the main rotary disk 2 and the cam rotary disk 3 are coaxially and rotatably mounted at the bottom of the vehicle frame 1, the steering rod 4 drives the cam rotary disk 3 to rotate relative to the vehicle frame 1, namely, the phase angle of the cam rotary disk 3 relative to the main rotary disk 2 can be adjusted, and one end of the transmission mechanism connected to the cam rotary disk 3 rotates along with the cam rotary disk 3, so that the position of the travelling wheel 6 is adjusted, and the moving direction of the vehicle frame 1 is determined; then, the driving device 5 drives the main rotary disc 2 to rotate relative to the frame 1, the transmission mechanism is restrained by the annular guide groove 30 on the cam rotary disc 3 and simultaneously driven by the main rotary disc 2, and then the travelling wheels 6 are driven to roll along the cycloid locus, so that the vehicle moves along the cycloid locus, the vehicle at the moment can easily realize the translation of the vehicle in the left and right directions by using a small space, and the translation process is easy to operate.
In the present embodiment, the specific structural form of the transmission mechanism is various, for example, but not limited to, as shown in fig. 1 to 7, the transmission mechanism includes a plurality of transmission units 7, and each transmission unit 7 includes a first rotating arm 71, a second rotating arm 72, a third rotating arm 73, a fourth rotating arm 74 and a guide roller 75; a first end of the second rotating arm 72 is hinged to a second end of the first rotating arm 71, a first end of the third rotating arm 73 is hinged to a second end of the second rotating arm 72, and a second end of the third rotating arm 73 is hinged to the middle of the fourth rotating arm 74; a first end of the fourth rotating arm 74 is hinged to a portion of the first rotating arm 71 close to the main rotating disk 2, a guide roller is mounted on a top surface of the other end of the fourth rotating arm 74, and referring to fig. 9 and 10, the guide roller 75 is slidably disposed in the annular guide groove 30; a traveling wheel 6 is mounted on the bottom surface of the second rotating arm 72; the first ends of the first rotating arms 71 of the plurality of transmission units 7 are fixedly connected to the main rotating disk 2 at intervals two by two along the circumferential direction of the main rotating disk 2. As shown in fig. 5, in the structure of the present embodiment, when the driving device 5 drives the main rotary disk 2 to rotate, the first rotary arm 71 rotates along with the main rotary disk 2, drives the second rotary arm 72 hinged thereto to rotate, continues to drive the third rotary arm 73 hinged to the second rotary arm 72 to rotate, and continues to drive the fourth rotary arm 74 hinged to the fourth rotary arm 74 to rotate, the rotation path of the fourth rotary arm 74 is limited in the annular guide groove 30 formed in the bottom surface of the cam rotary disk 3, and the center line of the groove body of the annular guide groove 30 extends along the offset circle of the cam rotary disk 3, so that the moving track of the traveling wheel 6 mounted at the bottom of the second rotary arm 72 is a cycloidal periodic swinging track, i.e. a cycloidal track, and further, the vehicle is made to translate, a large moving space is not required for the vehicle to advance and retreat for many times, and only the start-stop driving device 5 needs to drive the main rotary disk 2 to rotate, the operation is simple and convenient.
Further preferably, in the same radial direction of the cam rotary disk 3, the distance between the center line of the annular guide groove 30 in the groove and the center of the base circle of the cam rotary disk 3 is a, the distance between the outer edge of the cam rotary disk 3 and the center of the base circle of the cam rotary disk 3 is b, and the ratio a/b is c, then c in any two radial directions of the cam rotary disk 3 is equal.
In addition, in some preferred embodiments of the present embodiment, the first ends of the first rotation arms 71 of the plurality of transmission units 7 are connected to the main turn disc 2 at regular intervals in the circumferential direction of the main turn disc 2; for example, the transmission unit 7 includes two, wherein the first end of the first rotation arm 71 of one transmission unit 7 and the first end of the first rotation arm 71 of the other transmission unit 7 are symmetrically arranged at the front end and the rear end of the main turn disc 2; for another example, the transmission unit 7 includes three transmission units 7, and the connecting lines between the first ends of the first rotation arms 71 of the three transmission units 7 form an equilateral triangle. In another preferred embodiment of the present embodiment, the four transmission units 7 may be provided, and the first ends of the first rotation arms 71 of the four transmission units 7 may be sequentially connected end to form a square, a rectangle, or the like.
In the present embodiment, the specific connection structure of "the lower end of the steering rod 4 is drivingly connected to the cam rotary disk 3, and the steering rod 4 is configured to drive the cam rotary disk 3 to rotate relative to the frame 1" has various configurations, for example, but not limited to, as shown in fig. 8 to 10, a first transmission gear ring 41 is provided on the outer peripheral surface of the lower end of the steering rod 4, a second transmission gear ring 31 is provided on the cam rotary disk 3, and the second transmission gear ring 31 is engaged with the first transmission gear ring 41. Preferably, the center of the first transmission gear ring 41 coincides with the center of the base circle of the cam rotary disk 3, so that when the steering rod 4 is rotated, the first transmission gear ring 41 rotates around the inside of the second transmission gear ring 31, and the cam rotary disk 3 can be driven to rotate around the rotation center of the first transmission gear ring, so that the walking direction of the walking wheels 6 connected to each transmission unit 7 is adjusted, and the translation direction of the vehicle is determined; the second transmission ring gear 31 may be disposed on the upper surface of the cam rotary disk 3, or, as shown in fig. 8 to 10, a circular mounting hole penetrating through the cam rotary disk 3 is formed in the cam rotary disk 3, so that the cam rotary disk 3 includes an inner disk and an outer disk, the lower end of the inner disk and the lower end of the outer disk are connected by spokes, and the second transmission ring gear 31 is disposed on the inner annular surface of the outer disk and engaged with the first transmission ring gear 41. Of course, the specific connection structure of the "lower end of the steering rod 4 is connected to the cam rotary disk 3 in a transmission manner, and the steering rod 4 is configured to drive the cam rotary disk 3 to rotate relative to the frame 1" may also be other connection methods, for example, but not limited to, the steering rod 4 and the steering wheel 8 are connected through a link mechanism, the bottom of the steering rod 4 is fixedly connected to the cam rotary disk 3, and the steering wheel 8 can drive the steering rod 4 to rotate through the link mechanism when rotating, so as to drive the cam rotary disk 3 to rotate, and the like.
In an alternative embodiment of this embodiment, it is preferable that the driving device 5 includes a power supply, a motor and a driving gear 50, the power supply and the motor are both fixed to the frame 1, the motor is connected to the power supply, the driving gear 50 is connected to an output shaft of the motor, a main transmission gear ring 21 is arranged on the main rotary disk 2, and the main transmission gear ring 21 is meshed with the driving gear 50; of course, the driving device 5 may also include a power source and a motor, but does not include the driving gear 50, and a rotating shaft is connected to the main rotating disk 2, and the rotating shaft is connected to the output shaft of the motor through a coupling to achieve a driving function, however, in contrast, it is preferable to adopt the structure having the driving gear 50, and a main transmission gear ring 21 is provided on the main rotating disk 2, and the main transmission gear ring 21 is engaged with the driving gear 50, so that the positions of the motor and the power source can be reasonably arranged, and the upper surface space of the frame 1 can be more reasonably configured.
Example two
The present embodiment provides a vehicle comprising a steering wheel 8, a driven wheel 9, and a vehicle translational drive assembly as provided in any one of the alternative embodiments of the present embodiment; wherein: the driven wheel 9 is arranged at the bottom of the frame 1 and is positioned at the rear part of the cam rotary disc 3; the steering wheel 8 is mounted on top of the steering rod 4. In addition, as shown, the vehicle further includes a seat 10 and a pedal 11 for driving use by a driver.
Since the vehicle provided by the present embodiment includes the vehicle translation driving assembly described in the first embodiment, the vehicle provided by the present embodiment can achieve all the advantages that can be achieved by the vehicle translation driving assembly in the first embodiment, and the specific structure and the achieved effects thereof can be obtained with reference to each optional or preferred embodiment in the first embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A vehicle translation drive assembly characterized by: comprises a frame (1), a main rotary disc (2), a cam rotary disc (3), a steering rod (4), a driving device (5), a transmission mechanism and a travelling wheel (6);
the main rotary disc (2) and the cam rotary disc (3) are coaxially and rotatably arranged at the bottom of the frame (1); the steering rod (4) penetrates through the frame (1), the lower end of the steering rod (4) is in transmission connection with the cam rotary disc (3), and the steering rod (4) is configured to drive the cam rotary disc (3) to rotate relative to the frame (1);
an annular guide groove (30) is formed in the bottom surface of the cam rotary disc (3), and the center line of the groove body of the annular guide groove (30) extends along the offset circle of the cam rotary disc (3); one end of the transmission mechanism is connected to the main rotary disc (2), the other end of the transmission mechanism is arranged in the annular guide groove (30) in a sliding mode, and the travelling wheels (6) are mounted on the transmission mechanism;
the driving device (5) is installed on the frame (1) and is in transmission connection with the main rotary disc (2), and the driving device (5) is configured to be capable of driving the main rotary disc (2) to rotate relative to the frame (1) so as to drive the transmission mechanism to drive the travelling wheels (6) to roll along cycloid tracks.
2. The vehicular translational drive assembly according to claim 1, wherein: the transmission mechanism comprises a plurality of transmission units (7), and each transmission unit (7) comprises a first rotating arm (71), a second rotating arm (72), a third rotating arm (73), a fourth rotating arm (74) and a guide roller (77);
the first end of the second rotating arm (72) is hinged to the second end of the first rotating arm (71), the first end of the third rotating arm (73) is hinged to the second end of the second rotating arm (72), and the second end of the third rotating arm (73) is hinged to the middle of the fourth rotating arm (74); the first end of the fourth rotating arm (74) is hinged to the part, close to the main rotating disc (2), of the first rotating arm (71), and the top surface of the other end of the fourth rotating arm (74) is provided with the guide roller;
the guide roller (77) is arranged in the annular guide groove (30) in a sliding manner; the traveling wheel (6) is mounted on the bottom surface of the second rotating arm (72); the first ends of the first rotating arms (71) of the plurality of transmission units (7) are fixedly connected to the main rotating disk (2) at intervals along the circumferential direction of the main rotating disk (2).
3. The vehicular translational drive assembly according to claim 2, wherein: and taking the distance between the center line in the groove of the annular guide groove (30) and the center of the base circle of the cam rotary disc (3) as a, the distance between the outer edge of the cam rotary disc (3) and the center of the base circle of the cam rotary disc (3) as b, and taking the ratio obtained by a/b as c, wherein c in any two radius directions of the cam rotary disc (3) are equal.
4. The vehicular translational drive assembly according to claim 2, wherein: the first ends of the first rotating arms (71) of the plurality of transmission units (7) are connected to the main rotating disk (2) at regular intervals along the circumferential direction of the main rotating disk (2).
5. The vehicular translational drive assembly according to claim 4, wherein: the transmission units (7) comprise two transmission units, wherein the first end of the first rotating arm (71) of one transmission unit (7) and the first end of the first rotating arm (71) of the other transmission unit (7) are symmetrically arranged at the front end and the rear end of the main rotating disk (2); or the transmission units (7) comprise three transmission units, and connecting lines among the first ends of the first rotating arms (71) of the three transmission units (7) form an equilateral triangle.
6. The vehicular translational drive assembly according to claim 3, wherein: the four transmission units (7) are sequentially connected end to form a square or a rectangle, and the first ends of the first rotating arms (71) of the four transmission units (7) are sequentially connected end to end.
7. The vehicular translational drive assembly according to claim 1, wherein: a first transmission gear ring (41) is arranged on the outer peripheral surface of the lower end of the steering rod (4), a second transmission gear ring (31) is arranged on the cam rotary disc (3), and the second transmission gear ring (31) is meshed with the first transmission gear ring (41).
8. The vehicular translational drive assembly according to claim 7, wherein: the circle center of the first transmission gear ring (41) is superposed with the circle center of the base circle of the cam rotary disc (3).
9. The vehicular translational drive assembly according to claim 1, wherein: drive arrangement (5) include power, motor and drive gear (50), the power with the motor all is fixed in frame (1), the motor connect in the power, drive gear (50) connect in the output shaft of motor be provided with final drive ring gear (21) on main gyration dish (2), final drive ring gear (21) mesh in drive gear (50).
10. A vehicle, characterized in that: comprising a steering wheel (8), a driven wheel (9) and a vehicle translation drive assembly according to any of claims 1 to 9; wherein:
the driven wheel (9) is mounted at the bottom of the frame (1) and is positioned behind the cam rotary disc (3); the steering wheel (8) is mounted on the top of the steering rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010810057.3A CN112009225A (en) | 2020-08-12 | 2020-08-12 | Vehicle translation drive assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN114035456A (en) * | 2021-11-22 | 2022-02-11 | 闫辉 | Central control system for construction machinery management |
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