CN210416804U

CN210416804U - Chassis of four-wheel-drive mobile robot

Info

Publication number: CN210416804U
Application number: CN201921587999.9U
Authority: CN
Inventors: 邵俊; 施健
Original assignee: Wuxi Maisiwei Automation Technology Co Ltd
Current assignee: Wuxi Maisiwei Automation Technology Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-28
Anticipated expiration: 2029-09-23

Abstract

The utility model belongs to the technical field of the robot chassis, especially, be a four-wheel drive mobile robot chassis, including two fixed frames, two the equal bolted connection in top of fixed frame inner wall has the bearing frame, two rotate between the bearing frame and be connected with the connecting axle, the both ends of connecting axle all are provided with lock nut and through lock nut and corresponding bearing frame fixed connection, sliding connection has linear bearing on the connecting axle, one side bolted connection of linear bearing has the connecting seat. The utility model discloses a carry out the simplification of structure to current four-wheel drive removes chassis to two fixed frames are the main part, splice the equipment with relevant part, rely on aluminum plate to provide the mounted position for the robot, drive four running wheels through four traveling motor and rotate, provide power for the removal of robot, consequently have small, the advantage of simple structure can improve the working range of robot, makes things convenient for the removal of robot, simultaneously the utility model discloses simple structure conveniently assembles.

Description

Chassis of four-wheel-drive mobile robot

Technical Field

The utility model relates to a robot chassis technical field specifically is a four-wheel drive mobile robot chassis.

Background

A robot is a machine device that automatically performs work. It can accept human command, run the program programmed in advance, and also can operate according to the principle outline action made by artificial intelligence technology. The task of which is to assist or replace human work, such as production, construction, or dangerous work.

At present, a robot needs to move through a mobile chassis when executing work, the existing mobile chassis is mainly divided into a crawler-type chassis and a four-wheel-drive mobile chassis, and the two mobile chassis have advantages and disadvantages respectively, but the existing four-wheel-drive mobile chassis also has the following defects: the four-wheel-drive moving chassis is complex in overall structure, on one hand, the four-wheel-drive moving chassis is inconvenient to assemble, the cost of the four-wheel-drive moving chassis is high, on the other hand, the complex structure causes the driving moving chassis to be large in size, so that the robot is heavy as a whole, and the working range of the robot is limited.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a four-wheel drive mobile robot chassis has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a four-wheel drive mobile robot chassis, includes two fixed frames, two the equal bolted connection in top of fixed frame inner wall has the bearing frame, two rotate between the bearing frame and be connected with the connecting axle, the both ends of connecting axle all are provided with lock nut and through lock nut and corresponding bearing frame fixed connection, sliding connection has linear bearing on the connecting axle, one side bolted connection of linear bearing has the connecting seat, the top bolted connection of connecting seat has aluminum plate, two the equal bolted connection in inboard of fixed frame has two motors of marcing, four the output shaft of the motor of marcing all advances the wheel through connecting piece fixedly connected with, one of them the top welding of fixed frame has the stand, aluminum plate passes through bolt and stand fixed connection, another be provided with damping and shock attenuation subassembly between fixed frame and the aluminum plate.

As an optimized technical scheme of the utility model, two the inboard of fixed frame is relative

As an optimized technical scheme of the utility model, the quantity of stand is two and the symmetric distribution at the top of fixed frame.

As an optimized technical scheme of the utility model, the screw hole that runs through the stand is seted up to the inside of stand.

As an optimal technical scheme of the utility model, damping shock attenuation subassembly's quantity is two, two damping shock attenuation subassembly symmetric distribution is on aluminum plate and fixed frame.

As a preferred technical scheme of the utility model, damping shock attenuation subassembly includes shock attenuation pole, damping damper and lower shock attenuation pole, it connects on aluminum plate to go up the shock attenuation pole bolted connection, shock attenuation pole bolted connection is on fixed frame down, the one end of going up the shock attenuation pole and damping damper's one end bolted connection, the one end of shock attenuation pole and damping damper's the other end bolted connection down.

(III) advantageous effects

Compared with the prior art, the utility model provides a four-wheel drive mobile robot chassis possesses following beneficial effect: this four-wheel drive mobile robot chassis carries out the simplification of structure to current four-wheel drive mobile chassis to two fixed frames are the main part, splice the equipment with relevant part, rely on aluminum plate to provide the mounted position for the robot, drive four travelling wheels through four traveling motor and rotate, provide power for the removal of robot, consequently have small, the advantage of simple structure can improve the working range of robot, makes things convenient for the removal of robot, simultaneously the utility model discloses simple structure conveniently assembles.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a side view of the structure of the present invention.

In the figure: 1. a fixing frame; 2. a bearing seat; 3. a connecting shaft; 4. locking the nut; 5. a linear bearing; 6. a connecting seat; 7. an aluminum plate; 8. a traveling motor; 9. a travel wheel; 10. a column; 11. a damping shock assembly; 1101. an upper shock absorbing rod; 1102. a shock absorbing damper; 1103. a lower shock absorbing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a four-wheel drive mobile robot chassis comprises two fixed frames 1, wherein the tops of the inner walls of the two fixed frames 1 are all in bolted connection with bearing seats 2, a connecting shaft 3 is rotatably connected between the two bearing seats 2, two ends of the connecting shaft 3 are respectively provided with a locking nut 4 and are fixedly connected with the corresponding bearing seats 2 through the locking nut 4, a linear bearing 5 is slidably connected on the connecting shaft 3, one side of the linear bearing 5 is in bolted connection with a connecting seat 6, the top of the connecting seat 6 is in bolted connection with an aluminum plate 7, the inner sides of the two fixed frames 1 are all in bolted connection with two traveling motors 8, the output shafts of the four traveling motors 8 are all fixedly connected with traveling wheels, the top welding of one of them fixed frame 1 has the stand 10, and aluminum plate 7 passes through bolt and stand 10 fixed connection, is provided with damping shock attenuation subassembly 11 between another fixed frame 1 and the aluminum plate 7.

In the embodiment, two fixed frames 1 are taken as a base, the two fixed frames 1 are connected by a connecting shaft 3 to form a whole, wherein the connecting shaft 3 is fixedly connected with the two fixed frames 1 through two bearing seats 2, and two ends of the connecting shaft 3 are fixed through locking nuts 4 to prevent the connecting shaft 3 from rotating, a linear bearing 5 is arranged on the connecting shaft 3, a connecting seat 6 is fixed on the linear bearing 5, an aluminum plate 7 is fixed on the connecting seat 6 to provide a supporting function for the aluminum plate 7, the aluminum plate 7 is the rest part for installing the robot, because the linear bearing 5 can slide on the connecting shaft 3, in order to improve the stability of the aluminum plate 7, the aluminum plate 7 is fixed on a stand column 10 through bolts, thereby fixing the structure of the aluminum plate 7, and forming a finished four-wheel drive mobile chassis, when the utility model is used, the four traveling wheels 9 are driven to rotate by the four traveling motors 8, wherein a connecting piece for connecting the traveling motors 8 and the traveling wheels 9 consists of an expansion sleeve and a transfer shaft.

In particular, the inner sides of the two fixed frames 1 are opposite.

In this embodiment, the inner side of the fixed frame 1 is the side having two 90 ° right angles, and the inner sides of the two fixed frames 1 are designed relatively, so that the traveling wheel 9 is located on the outer side, and the traveling motor 8 is located on the inner side, and the structural design is more reasonable.

In particular, the number of uprights 10 is two and symmetrically distributed on the top of the fixed frame 1.

In this embodiment, the stability of aluminum plate 7 after fixing can be improved by the design of two columns 10.

Specifically, a threaded hole penetrating through the column 10 is formed in the column 10.

In this embodiment, the aluminum plate 7 can be directly screwed to the column 10 by bolts, so that the aluminum plate can be conveniently fixed.

Specifically, the number of the damping shock absorption assemblies 11 is two, and the two damping shock absorption assemblies 11 are symmetrically distributed on the aluminum plate 7 and the fixed frame 1.

In this embodiment, through designing two damping shock attenuation subassemblies 11, can with the utility model discloses the vibration that produces during the removal utilizes damping shock attenuation subassemblies 11 to consume, reduces mechanical structure's resonance amplitude, avoids the utility model discloses the structure leads to the fact the structural damage because of dynamic stress reaches the limit.

Specifically, damping shock attenuation group 11 includes last bumper 1101, shock absorber damper 1102 and lower bumper 1103, goes up bumper 1101 bolted connection on aluminum plate 7, and lower bumper 1103 bolted connection is on fixed frame 1, goes up the one end bolted connection of bumper 1101 and the one end bolted connection of shock absorber damper 1102, and the one end bolted connection of lower bumper 1103 and the other end of shock absorber damper 1102.

In this embodiment, mainly through the cooperation of last shock attenuation pole 1101, damping damper 1102 and lower shock attenuation pole 1103, realized the utility model discloses a damping shock attenuation work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a four-wheel drive mobile robot chassis which characterized in that: the device comprises two fixed frames (1), wherein the tops of the inner walls of the two fixed frames (1) are all connected with bearing seats (2) through bolts, a connecting shaft (3) is rotatably connected between the two bearing seats (2), locking nuts (4) are arranged at the two ends of the connecting shaft (3) and fixedly connected with the corresponding bearing seats (2) through the locking nuts (4), linear bearings (5) are slidably connected onto the connecting shaft (3), one side of each linear bearing (5) is connected with a connecting seat (6) through a bolt, the top of each connecting seat (6) is connected with an aluminum plate (7) through a bolt, two traveling motors (8) are respectively connected onto the inner sides of the two fixed frames (1) through bolts, the output shafts of the four traveling motors (8) are respectively fixedly connected with a traveling wheel (9) through connecting pieces, and a stand column (10) is welded at, aluminum plate (7) pass through bolt and stand (10) fixed connection, another be provided with damping shock attenuation subassembly (11) between fixed frame (1) and aluminum plate (7).

2. The four-wheel drive mobile robot chassis of claim 1, wherein: the inner sides of the two fixing frames (1) are opposite.

3. The four-wheel drive mobile robot chassis of claim 1, wherein: the number of the upright columns (10) is two and the upright columns are symmetrically distributed at the top of the fixed frame (1).

4. The four-wheel drive mobile robot chassis of claim 3, wherein: the inside of the upright post (10) is provided with a threaded hole which penetrates through the upright post (10).

5. The four-wheel drive mobile robot chassis of claim 1, wherein: the number of damping shock attenuation subassembly (11) is two, two damping shock attenuation subassembly (11) symmetric distribution is on aluminum plate (7) and fixed frame (1).

6. The four-wheel drive mobile robot chassis of claim 5, wherein: damping shock attenuation subassembly (11) are including last bumper (1101), shock attenuation attenuator (1102) and bumper (1103), go up bumper (1101) bolted connection on aluminum plate (7), bumper (1103) bolted connection is on fixed frame (1) down, the one end of going up bumper (1101) and the one end bolted connection of shock attenuation attenuator (1102), the one end of bumper (1103) and the other end bolted connection of shock attenuation attenuator (1102) down.