CN209833282U - Driving chassis - Google Patents
Driving chassis Download PDFInfo
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- CN209833282U CN209833282U CN201920601759.3U CN201920601759U CN209833282U CN 209833282 U CN209833282 U CN 209833282U CN 201920601759 U CN201920601759 U CN 201920601759U CN 209833282 U CN209833282 U CN 209833282U
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Abstract
The utility model provides a driving chassis, belonging to the field of walking devices, which comprises a chassis body, a driving part and a supporting part; the chassis body is provided with a driving part mounting surface, and the driving part is arranged on the driving part mounting surface; the driving part comprises at least two groups of floating assemblies and driving wheels matched with the floating assemblies; the floating assembly comprises a fixed seat and a floating seat which are in sliding connection, the fixed seat is fixedly connected with the chassis body, and the floating seat is connected with the driving wheel; an elastic piece is arranged between the floating seat and the fixed seat, and the elastic piece enables the floating seat to have a movement trend of being elastically far away from the fixed seat; the supporting part comprises a plurality of universal wheels distributed on the mounting surface of the driving part, the connecting line of the adjacent universal wheels forms an enclosure, and the driving part is arranged in the enclosure. The load of the driving part can be reduced by the arrangement of the supporting part, so that a relatively low-power driving motor is used. The arrangement of the floating assembly enables the driving wheel to be always in contact with the uneven working surface when the uneven working surface runs.
Description
Technical Field
The utility model relates to a running gear field particularly, relates to a driving chassis.
Background
The existing all-terrain driving device is provided with a floating accessory on a driving wheel so as to ensure the contact of the driving wheel and a working surface, but all loads of the driving device are always borne on the floatable driving wheel, firstly, an elastic body of the floating device is always in a high-pressure state so as to reduce the service life, secondly, higher requirements are provided for the output power of a driving motor, and thirdly, the chassis is supported by the floatable driving wheel so as to reduce the stability of the chassis and be easy to overturn.
Most of wheeled mobile robots generally have the defects of obstacle avoidance, weak obstacle crossing capability, poor working stability and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a driving chassis aims at solving the above-mentioned problem that driving chassis exists among the prior art.
The utility model discloses a realize like this:
a drive chassis comprises a chassis body, a drive part and a support part;
the chassis body is provided with a driving part mounting surface, and the driving part is arranged on the driving part mounting surface;
the driving part comprises at least two groups of floating assemblies and driving wheels matched with the floating assemblies;
the floating assembly comprises a fixed seat and a floating seat which are in sliding connection, the fixed seat is fixedly connected with the chassis body, and the floating seat is connected with the driving wheel;
an elastic piece is arranged between the floating seat and the fixed seat, and the elastic piece enables the floating seat to have a movement trend of elastically departing from the fixed seat;
the supporting part comprises a plurality of universal wheels distributed on the mounting surface of the driving part, a connecting line of the adjacent universal wheels forms an enclosure, and the driving part is arranged in the enclosure.
The utility model discloses an in one embodiment, the drive division is still including revolving the seat, revolve the seat with floating seat rotatable coupling, floating seat is close to the fixed first gear that is provided with in one side of drive division, revolve be provided with on the seat with first gear engagement's second gear, the second gear with the axis of rotation eccentric settings of drive division, the drive division is still including turning to the motor, the fixed setting of second gear turns to the output of motor.
The utility model discloses an in an embodiment, the drive division still includes driving motor, driving motor is fixed to be set up revolve on the seat, the fixed setting of drive wheel is in driving motor's output.
In an embodiment of the present invention, the floating assembly further includes at least one guide rod, one end of the guide rod is fixedly connected to the floating seat, and the other end of the guide rod passes through the guide hole on the fixing seat.
In an embodiment of the present invention, the guide rod is sleeved with a linear bearing, the linear bearing is disposed in the guide hole and is fixedly connected to the fixing seat.
The utility model discloses an in the embodiment, the elastic component is the pressure spring, the one end of pressure spring acts on linear bearing, the other end act on the seat that floats, the pressure spring makes the seat that floats has the elasticity and keeps away from linear bearing's trend of motion.
In an embodiment of the present invention, the rotary seat is far away from one side of the floating seat is provided with a first wing plate and a second wing plate, the first wing plate and the second wing plate form an installation space therebetween, the driving wheel is installed in the installation space, one side of the driving wheel is rotatably connected to the first wing plate, and the other side is rotatably connected to the second wing plate.
The utility model discloses an in one embodiment, the chassis body is square chassis, the supporting part includes four the universal wheel, four the universal wheel is divided and is located square chassis's four corners.
The utility model has the advantages that: through the utility model provides a drive chassis can reduce the load of drive division through the setting of supporting part to can use the relatively lower driving motor of power. The floating assembly is arranged, so that when the uneven working surface runs, the driving wheel can be always in contact with the working surface and can provide enough driving force without slipping. And the steering motor arranged on the rotary seat can control the movable chassis in real time to realize steering.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first view angle of a drive chassis according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the driving chassis provided in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third view angle of the driving chassis provided in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth view angle of the driving chassis according to the embodiment of the present invention.
Icon: 100-a chassis body; 200-a drive section; 210-a floating assembly; 230-a drive wheel; 211-a fixed seat; 213-a floating seat; 215-an elastic member; 301-universal wheels; 219-linear bearings; 250-a rotary seat; 2131-a first gear; 2501-second gear; 201-steering motor; 251-a first wing; 253-a second wing; 231-driving the motor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Examples
The present embodiment provides a driving chassis, referring to fig. 1, fig. 2 and fig. 3, the driving chassis includes a chassis body 100 and a driving portion 200;
the chassis body 100 has a drive portion mounting surface and a mounting surface which are oppositely disposed. The installation surface is used for installing bearing equipment, and if the driving chassis is used for displacement driving of the wall surface guniting plastering machine, the guniting plastering machine is installed on the installation surface of the chassis body 100. And the driving part 200 is arranged on the driving part mounting surface, and the driving part 200 is used for driving the chassis body 100 to realize displacement.
In the present embodiment, the driving part 200 includes two sets of floating assemblies 210, and a driving wheel 230 engaged with the floating assemblies 210; the floating assembly 210 comprises a fixed seat 211 and a floating seat 213 which are connected in a sliding way, the fixed seat 211 is fixedly connected with the chassis body 100, and the floating seat 213 is connected with the driving wheel 230;
between the floating seat 213 and the fixed seat 211, there is an elastic member 215, and the elastic member 215 makes the floating seat 213 have a moving tendency elastically away from the fixed seat 211.
The driving wheel 230 is used to directly contact the work surface, the displacement of the chassis body 100 is achieved by the rolling of the driving wheel 230, and the floating assembly 210 is used to push out the driving wheel 230, so that the driving wheel 230 can always contact the work surface and maintain sufficient pressure on the uneven work surface.
Because the driving of the driving wheel 230 needs the motor to drive, if the installed device has a large mass, the installation surface will bring a large pressure to the driving wheel 230, and will also cause a large burden to the motor, if a larger motor is used, on one hand, the volume and weight of the driving chassis will be further increased, on the other hand, the production cost will be increased greatly, and these increases are often interference to the driving power of the driving chassis.
Referring to fig. 1, 2 and 4, the driving chassis is further provided with a supporting portion, the supporting portion includes a plurality of universal wheels 301 distributed on the mounting surface of the driving portion, the connecting line of adjacent universal wheels 301 forms an enclosure, and the driving portion 200 is disposed in the enclosure. In this embodiment, the chassis body 100 is a square chassis, the supporting portion includes four universal wheels 301, and the four universal wheels 301 are respectively disposed at four corners of the square chassis. The connecting lines of the four universal wheels 301 form a rectangular enclosure in which the drive section 200 is disposed. The support part can share most of pressure in the moving process of the moving chassis and does not influence the moving of the moving chassis.
In this embodiment, the floating assembly 210 further includes four guiding rods (not shown) distributed at four corners of the rectangle, and the four guiding rods are disposed perpendicular to the mounting surface of the driving portion (the guiding rods are covered by the elastic member 215 and the linear bearing 219). One end of the guide rod is fixedly connected with the floating seat 213, and the other end passes through the guide hole on the fixed seat 211. In order to ensure sufficient smoothness during displacement, a linear bearing 219 is further disposed in the guide hole, the linear bearing 219 is fixedly connected with the fixed seat 211, and the guide rod is disposed in the linear bearing 219 so that the guide rod is slidably connected with the linear bearing 219. The guide of the guide rod can realize the orientation of the floating seat 213 close to or far away from the fixed seat 211.
In this embodiment, in order to realize the steering of the moving chassis, the driving portion 200 further includes a rotating base 250, the rotating base 250 is rotatably connected with the floating base 213, a first gear 2131 is fixedly disposed on one side of the floating base 213 close to the driving portion 200, a second gear 2501 engaged with the first gear 2131 is disposed on the rotating base 250, the second gear 2501 is eccentrically disposed with a rotating shaft of the driving portion 200, the driving portion 200 further includes a steering motor 201, and the second gear 2501 is fixedly disposed at an output end of the steering motor 201. Specifically, a gear shaft of the first gear 2131 and a gear shaft of the second gear 2501 are both parallel to the guide bar, a first wing plate 251 and a second wing plate 253 are arranged on one side of the rotary base 250 away from the floating base 213, an installation space is formed between the first wing plate 251 and the second wing plate 253, the driving wheel 230 is installed in the installation space, one side of the driving wheel 230 is rotatably connected with the first wing plate 251, and the other end of the driving wheel is rotatably connected with the second wing plate 253. In order to ensure the continuity of the steering and reduce the wear of the driving wheel 230, the extension line of the gear shaft of the first gear 2131 should pass through the symmetry plane of the driving wheel 230.
In this embodiment, the rotation of the driving wheel 230 is directly driven by the driving motor 231, the driving motor 231 is fixedly disposed on the rotary base 250 on a side of the second wing 253 far away from the first wing 251, an axle of the driving wheel 230 passes through the second wing 253, and an output end of the driving motor 231 is fixedly connected with a portion of the axle passing through the second wing 253.
In this embodiment, the elastic member 215 is a compression spring, one end of the compression spring acts on the linear bearing 219, and the other end acts on the floating seat 213, and the compression spring makes the floating seat 213 have a movement tendency to elastically move away from the linear bearing 219. In other embodiments, the elastic element 215 may act directly on the floating seat 213 and the fixed seat 211; or other forms of elastic members 215 such as disc springs may be used to act on the floating seat 213 and the fixed seat 211, as long as the floating seat 213 has a tendency to move away from the fixed seat 211 elastically.
It should be noted that, in this embodiment, the chassis body 100 is a square chassis, the two driving wheels 230 are asymmetrically arranged with respect to the center line of the long side of the chassis body 100, and are also asymmetrically arranged with respect to the center line of the short side of the chassis body 100, so as to ensure that the chassis body 100 can flexibly steer, and improve the obstacle crossing capability of the chassis.
Through the utility model provides a drive chassis can reduce the load of drive portion 200 through the setting of supporting part to can use the relatively lower driving motor 231 of power. The floating assembly 210 is arranged so that the driving wheel 230 can always keep in contact with the uneven working surface when the working surface runs. And the steering motor 201 arranged on the rotary base 250 can control the movable chassis in real time to realize steering.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A drive chassis is characterized by comprising a chassis body, a drive part and a support part;
the chassis body is provided with a driving part mounting surface, and the driving part is arranged on the driving part mounting surface;
the driving part comprises at least two groups of floating assemblies and driving wheels matched with the floating assemblies;
the floating assembly comprises a fixed seat and a floating seat which are in sliding connection, the fixed seat is fixedly connected with the chassis body, and the floating seat is connected with the driving wheel;
an elastic piece is arranged between the floating seat and the fixed seat, and the elastic piece enables the floating seat to have a movement trend of elastically departing from the fixed seat;
the supporting part comprises a plurality of universal wheels distributed on the mounting surface of the driving part, a connecting line of the adjacent universal wheels forms an enclosure, and the driving part is arranged in the enclosure.
2. The drive chassis of claim 1, wherein the drive portion further comprises a rotary base, the rotary base is rotatably connected to the floating base, a first gear is fixedly disposed on one side of the floating base close to the drive portion, a second gear engaged with the first gear is disposed on the rotary base, the second gear is eccentrically disposed with a rotation shaft of the drive portion, and the drive portion further comprises a steering motor, and the second gear is fixedly disposed at an output end of the steering motor.
3. The drive chassis of claim 2, wherein the drive part further comprises a drive motor fixedly arranged on the rotary base, and the drive wheel is fixedly arranged at an output end of the drive motor.
4. The drive chassis of claim 1, wherein the floating assembly further comprises at least one guide rod, one end of the guide rod is fixedly connected with the floating seat, and the other end of the guide rod passes through a guide hole on the fixed seat.
5. The drive chassis of claim 4, wherein the guide rod is sleeved with a linear bearing, and the linear bearing is arranged in the guide hole and fixedly connected with the fixed seat.
6. The drive chassis of claim 5, wherein the elastic element is a compression spring, one end of the compression spring acts on the linear bearing, the other end of the compression spring acts on the floating seat, and the compression spring enables the floating seat to have a movement tendency of elastically moving away from the linear bearing.
7. The drive chassis of claim 2, wherein a first wing plate and a second wing plate are arranged on one side of the rotary seat, which is far away from the floating seat, an installation space is formed between the first wing plate and the second wing plate, the drive wheel is installed in the installation space, one side of the drive wheel is rotatably connected with the first wing plate, and the other end of the drive wheel is rotatably connected with the second wing plate.
8. The drive chassis of claim 1, wherein the chassis body is a square chassis, and the support portion includes four universal wheels, and the four universal wheels are respectively disposed at four corners of the square chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920601759.3U CN209833282U (en) | 2019-04-29 | 2019-04-29 | Driving chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920601759.3U CN209833282U (en) | 2019-04-29 | 2019-04-29 | Driving chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209833282U true CN209833282U (en) | 2019-12-24 |
Family
ID=68914534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920601759.3U Active CN209833282U (en) | 2019-04-29 | 2019-04-29 | Driving chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209833282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271579A (en) * | 2020-03-31 | 2020-06-12 | 珠海格力电器股份有限公司 | Chassis structure and purifier with same |
-
2019
- 2019-04-29 CN CN201920601759.3U patent/CN209833282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271579A (en) * | 2020-03-31 | 2020-06-12 | 珠海格力电器股份有限公司 | Chassis structure and purifier with same |
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