CN218639659U

CN218639659U - Mobile robot with adjustable wheel track

Info

Publication number: CN218639659U
Application number: CN202222528185.6U
Authority: CN
Inventors: 张华剑; 黄喆; 尹四华
Original assignee: Xiangyang Shengbo Electromechanical Technology Co ltd
Current assignee: Xiangyang Shengbo Electromechanical Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-03-17
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to a mobile robot field especially relates to a mobile robot of adjustable wheel base, adjustment mechanism sets up on two fixed plates, two-way screw rod rotates to be installed in the middle of two fixed plates and one end runs through the fixed plate, two movable plate symmetry interval thread sleeves are established on two-way screw rod, the connecting rod articulates respectively and installs two movable plate both sides, two connecting rod outer ends of every side articulate and are connected with articulated piece, the runner rotates to be installed on articulated piece, fixed mounting has the motor on one of them fixed plate, motor output shaft and two-way screw rod fixed connection, be provided with robot on two fixed plates, this design makes and sets up adjustment mechanism in the robot below, auxiliary robot removes, simultaneously, pass through adjustment mechanism, can adjust the distance between the runner in real time in a flexible way, make the different road surface situations of adaptation, also can adjust robot's focus stability.

Description

Mobile robot with adjustable wheel track

Technical Field

The utility model relates to a mobile robot field especially relates to a mobile robot of adjustable wheel base.

Background

The mobile robot is a machine device which can automatically execute work, not only can accept human commands, but also can run a pre-programmed program, and can also perform movements according to principles formulated by an artificial intelligence technology, the task of the mobile robot is to assist or replace the work of human work, such as production industry, building industry or dangerous work, in the actual work of the mobile robot, flexible movement control is needed, however, sometimes the mobile robot is difficult to advance due to terrain reasons or obstruction in walking, and the wheel distance can be adjusted to be an important function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of complex structure and difficult control of a wheel track adjusting mechanism in the prior art and providing a mobile robot with adjustable wheel track.

In order to realize the purpose, the utility model adopts the following technical scheme:

the design one kind can adjust the mobile robot of the wheel base, including two fixed plates, two the fixed plate interval sets up, still includes:

adjustment mechanism, adjustment mechanism sets up two on the fixed plate, adjustment mechanism includes two-way screw rod, two movable plates, connecting rod, runner, two-way screw rod rotates to be installed two in the middle of the fixed plate and one end run through the fixed plate, two movable plate symmetry interval thread bush is established on the two-way screw rod, the connecting rod articulates respectively to be installed two the movable plate both sides, two of every side the articulated piece that is connected with in connecting rod outer end, the runner rotates to be installed on the articulated piece, one of them fixed mounting has the motor on the fixed plate, motor output shaft with two-way screw rod fixed connection, two be provided with the robot on the fixed plate.

Preferably, a sliding rod is fixedly mounted between the two fixed plates at intervals, and the sliding rod is connected with the two moving plates in a sliding manner.

Preferably, the automobile seat further comprises a guide mechanism, wherein the guide mechanism comprises an extension plate, a rotating frame and a front wheel, the extension plate is fixedly mounted on one of the fixing plates, the rotating frame is rotatably mounted at the lower end of the extension plate, and the front wheel is rotatably mounted on the rotating frame.

Preferably, the hinge block further comprises an auxiliary mechanism, and the auxiliary mechanism is arranged inside the hinge block.

Preferably, the auxiliary mechanism comprises a connecting block, a telescopic rod, a fixing frame and side wheels, wherein the connecting block is fixedly installed at the lower end of the hinged block, the telescopic rod is fixedly installed below the connecting block, the fixing frame is fixedly installed at the telescopic end of the telescopic rod, and the side wheels are rotatably installed on the fixing frame.

The utility model provides a pair of mobile robot of adjustable wheel base, beneficial effect lies in:

through setting up fixed plate, adjustment mechanism for set up adjustment mechanism in the robot below, the auxiliary robot removes, and simultaneously through adjustment mechanism, can adjust the distance between the runner in real time in a flexible way, make and adapt to different road surface situations, also can adjust the focus stability of robot.

Drawings

Fig. 1 is a schematic side view of the mobile robot with adjustable track according to the present invention.

Fig. 2 is a schematic structural diagram of a part of the mechanism of the mobile robot with adjustable track width according to the present invention.

Fig. 3 is a schematic structural diagram of a part of the mechanism of the mobile robot with adjustable track according to the present invention.

In the figure: the robot comprises a fixed plate 1, an adjusting mechanism 2, a bidirectional screw 21, a moving plate 22, a connecting rod 23, a hinge block 24, a rotating wheel 25, a sliding rod 26, a motor 27, a guide mechanism 3, an extension plate 31, a rotating frame 32, a front wheel 33, an auxiliary mechanism 4, a connecting block 41, a telescopic rod 42, a fixed frame 43, a side wheel 44 and a robot body 5.

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.

Example 1

Referring to fig. 1-3, a mobile robot capable of adjusting wheel track comprises two fixing plates 1, wherein the two fixing plates 1 are arranged at intervals, and the mobile robot further comprises:

adjusting mechanism 2, adjusting mechanism 2 sets up on two fixed plates 1, adjusting mechanism 2 includes two-way screw 21, two movable plates 22, connecting rod 23, runner 25, two-way screw 21 rotates to be installed in the middle of two fixed plates 1 and one end runs through fixed plate 1, two movable plates 22 symmetry interval threaded bush are established on two-way screw 21, connecting rod 23 articulates respectively and installs two movable plates 22 both sides, two connecting rod 23 outer ends of each side articulate and are connected with articulated piece 24, runner 25 rotates and installs on articulated piece 24, fixed mounting has motor 27 on one of them fixed plate 1, motor 27 output shaft and two-way screw 21 fixed connection, be provided with robot body 5 on two fixed plates 1, when needing to adjust the distance between two runners 25, start motor 27, drive two-way screw 21 to rotate, make two movable plates 22 synchronous phase to each other remove (be close to or keep away from), thereby drive two runners 25 through connecting rod 23 and articulated piece 24 and be close to or keep away from, thereby realize the adjustment of wheel pitch.

Sliding rods 26 are fixedly installed between the two fixed plates 1 at intervals, the sliding rods 26 are slidably connected with the two moving plates 22, and the sliding rods 26 are arranged to prevent the two moving plates 22 from rotating and enable the two moving plates 22 to move stably to reduce blocking.

Still include guiding mechanism 3, guiding mechanism 3 includes extension board 31, rotating turret 32, front wheel 33, and extension board 31 fixed mounting is on one of them fixed plate 1, and rotating turret 32 rotates and installs at extension board 31 lower extreme, and front wheel 33 rotates and installs on rotating turret 32, sets up guiding mechanism 3, makes the device support more stable on the one hand, and on the other hand, realizes the adjustment of direction of advance through the angle of adjustment rotating turret 32, front wheel 33.

Through setting up fixed plate 1, adjustment mechanism 2 for set up adjustment mechanism 2 in robot 5 below, the auxiliary robot removes, simultaneously through adjustment mechanism 2, can adjust the distance between the runner 25 in a real-time flexibility way, makes the different road surface situations of adaptation, also can adjust robot 5's focus stability.

Example 2

According to embodiment 1, the adjustment mechanism 2 is arranged below the robot body 5 to assist the robot to move, and simultaneously, the distance between the rotating wheels 25 can be flexibly adjusted in real time through the adjustment mechanism 2, so that different road surface conditions can be adapted, and the stability of the center of gravity of the robot body 5 can also be adjusted, however, when the distance between the rotating wheels 25 is adjusted, the rotating wheels 25 are kept in contact with the ground, and the rotating wheels 25 are inconvenient to adjust due to the action of friction force, referring to fig. 1-3, as another preferred embodiment of the invention, on the basis of embodiment 1, the invention further comprises an auxiliary mechanism 4, and the auxiliary mechanism 4 is arranged inside the hinge block 24.

The auxiliary mechanism 4 comprises a connecting block 41, an expansion link 42, a fixing frame 43, side wheels 44, the connecting block 41 is fixedly installed at the lower end of the hinged block 24, the expansion link 42 is fixedly installed below the connecting block 41, the expansion link 42 is an electric expansion link, the fixing frame 43 is fixedly installed at the expansion end of the expansion link 42, the side wheels 44 are rotatably installed on the fixing frame 43, when the distance between the two rotating wheels 25 needs to be adjusted, the expansion link 42 is controlled to drive the fixing frame 43, the side wheels 44 extend out, the side wheels 44 are in contact with the ground, the rotating wheels 25 are lifted up and are separated from the ground, at the moment, the adjusting mechanism 2 works, after the wheel distance adjustment is completed, the expansion link 42 is controlled to retract again, and the rotating wheels 25 are in contact with the ground.

The working principle is as follows: when the distance between the two rotating wheels 25 needs to be adjusted, the motor 27 is started to drive the bidirectional screw 21 to rotate, so that the two moving plates 22 synchronously move towards each other (i.e. approach to or separate from each other), so that the two rotating wheels 25 are driven to approach to or separate from each other through the connecting rod 23 and the hinge block 24, thereby adjusting the wheel track, the sliding rod 26 is arranged, on one hand, the two moving plates 22 are prevented from rotating, on the other hand, the two moving plates 22 are enabled to stably move, the jamming is reduced, the guide mechanism 3 is arranged, on the one hand, the device is more stable in support, on the other hand, the adjustment of the advancing direction is realized by adjusting the angles of the rotating frame 32 and the front wheel 33, when the distance between the two rotating wheels 25 needs to be adjusted, the telescopic rod 42 is controlled to drive the fixed frame 43 and the side wheels 44 to extend, so that the side wheels 44 are in contact with the ground, and the rotating wheels 25 are lifted and are separated from the ground, at this time, the adjusting mechanism 2 works, and after the wheel track adjustment is completed, the telescopic rod 42 is controlled to retract, so that the rotating wheels 25 are in contact with the ground.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mobile robot of adjustable track, includes two fixed plates (1), two fixed plate (1) interval sets up, its characterized in that still includes:

adjustment mechanism (2), adjustment mechanism (2) sets up two on fixed plate (1), adjustment mechanism (2) include two-way screw rod (21), two movable plate (22), connecting rod (23), runner (25), two-way screw rod (21) rotate and install two fixed plate (1) centre and one end run through fixed plate (1), two movable plate (22) symmetry interval threaded sleeve is established on two-way screw rod (21), connecting rod (23) are articulated respectively and are installed two movable plate (22) both sides, two of each side connecting rod (23) outer end is articulated to be connected with articulated piece (24), runner (25) rotate and install on articulated piece (24), one of them fixed mounting has motor (27) on fixed plate (1), motor (27) output shaft with two-way screw rod (21) fixed connection, two be provided with robot body (5) on fixed plate (1).

2. The mobile robot with adjustable track according to claim 1, characterized in that a sliding bar (26) is fixedly installed between the two fixed plates (1) at an interval, and the sliding bar (26) is slidably connected with the two movable plates (22).

3. The mobile robot with the adjustable track according to claim 1, further comprising a guide mechanism (3), wherein the guide mechanism (3) comprises an extension plate (31), a rotating frame (32) and a front wheel (33), the extension plate (31) is fixedly mounted on one of the fixed plates (1), the rotating frame (32) is rotatably mounted at the lower end of the extension plate (31), and the front wheel (33) is rotatably mounted on the rotating frame (32).

4. The mobile track-adjustable robot according to claim 1, further comprising an auxiliary mechanism (4), wherein the auxiliary mechanism (4) is disposed inside the hinge block (24).

5. The track-adjustable mobile robot according to claim 4, wherein the auxiliary mechanism (4) comprises a connecting block (41), a telescopic rod (42), a fixing frame (43) and a side wheel (44), the connecting block (41) is fixedly installed at the lower end of the hinge block (24), the telescopic rod (42) is fixedly installed below the connecting block (41), the fixing frame (43) is fixedly installed at the telescopic end of the telescopic rod (42), and the side wheel (44) is rotatably installed on the fixing frame (43).