CN111015621A

CN111015621A - A buffering protector for robot

Info

Publication number: CN111015621A
Application number: CN201911223082.5A
Authority: CN
Inventors: 邵忠良; 黎安军
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-04-17

Abstract

The invention discloses a buffering and protecting device for a robot, which comprises a shell and a plurality of walking wheels, wherein the walking wheels are uniformly distributed at the bottom end of the shell, a plurality of collision-proof bags are uniformly distributed on the outer wall of the shell in a surrounding manner, the collision-proof bags are connected with the shell through a buffering mechanism, the buffering mechanism comprises a partition board transversely arranged in the shell, a fixed block is arranged at the top end of the partition board, a hole matched with the fixed block is formed in one side, close to the collision-proof bags, of the fixed block, a vertically arranged sliding rod is arranged on one side of the fixed block, and a first sliding block and a second sliding block which are matched with the first sliding block and. Has the advantages that: through the cooperation design of casing and anticollision bag, make the anticollision bag be favorable to increasing the safeguard effect of robot, can be in its robot and other article effectual absorption vibration's energy when bumping, can alleviate the collision damage of barrier to the robot in all directions.

Description

A buffering protector for robot

Technical Field

The invention relates to the technical field of robots, in particular to a buffer protection device for a robot.

Background

A Robot (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.

The mobile robot needs to face various movable and fixed obstacles, usually, the robot can avoid the obstacle by adopting one or a combination of a camera, a laser sensor and a sonar sensor, but if the sensor for avoiding the obstacle breaks down or the sensor crashes during software processing, the processing speed is not fast enough, the robot collides with the obstacle, the robot is damaged when the robot collides with the obstacle, and economic loss is caused.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

In view of the problems in the related art, the present invention provides a bumper guard for a robot, so as to overcome the above technical problems in the related art.

Therefore, the invention adopts the following specific technical scheme:

a buffering and protecting device for a robot comprises a shell and a plurality of uniformly distributed travelling wheels positioned at the bottom end of the shell, wherein a plurality of uniformly distributed anti-collision bags are arranged on the outer wall of the shell in a surrounding manner, the anti-collision bags are connected with the shell through a buffering mechanism, the buffering mechanism comprises a baffle transversely arranged in the shell, a fixed block is arranged at the top end of the baffle, one side, close to the anti-collision bags, of the fixed block is provided with holes matched with the fixed block, one side of the fixed block is provided with a vertically arranged sliding rod, the sliding rod is symmetrically provided with a first sliding block and a second sliding block matched with the sliding rod, one side, close to the anti-collision bags, of the first sliding block and the second sliding block is provided with a supporting rod obliquely arranged, the other side of the supporting rod is provided with a connecting plate connected with the anti-collision bags, one side, far away from, and the first telescopic rod and the second telescopic rod are both sleeved with damping springs matched with the first telescopic rod and the second telescopic rod.

Preferably, the inner wall of one side of the anti-collision bag, which is far away from the shell, is provided with an anti-collision layer, rubber particles are filled in the anti-collision layer, and a plurality of damping springs which are uniformly distributed are arranged in the anti-collision bag.

Preferably, the damping spring is transversely arranged, and the first telescopic rod and the second telescopic rod are respectively connected with the connecting plate and the supporting rod through pin shafts.

Preferably, one ends of the first sliding block and the second sliding block, which are far away from each other, are provided with return springs which are sleeved on the sliding rods, and one ends of the return springs, which are far away from each other, are connected with the inner walls of the fixed blocks.

Preferably, a pressure spring matched with the slide rod is sleeved on the slide rod and positioned between the first slide block and the second slide block.

Preferably, the support rod is arranged in a splayed structure, and the support rod is respectively connected with the first sliding block, the second sliding block and the connecting plate through a fixed shaft.

Preferably, the anti-collision bag is of a semicircular structure, and the anti-collision bag is made of high-strength modified plastics.

The invention has the beneficial effects that: through the cooperation design of casing and anticollision bag, make the anticollision bag be favorable to increasing the safeguard effect of robot, and buffer gear's design, then when the robot collides with other article at the operating in-process, the anticollision bag is to crashproof bag pressure extrusion bracing piece, the bracing piece is at the left displacement of potential energy the condition but produces the power to the right under damping spring's the extension, can be when its robot collides with other article the effectual energy of absorbing the vibration, can alleviate the collision damage of barrier to the robot in all directions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a bumper guard for a robot according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a buffer mechanism in a buffer protection device for a robot according to an embodiment of the invention.

In the figure:

1. a housing; 2. a traveling wheel; 3. an anti-collision bag; 4. a buffer mechanism; 5. a partition plate; 6. a fixed block; 7. a hole; 8. a slide bar; 9. a first sliding block; 10. a second sliding block; 11. a support bar; 12. a connecting plate; 13. a first telescopic rod; 14. a second telescopic rod; 15. a damping spring; 16. an anti-collision layer; 17. a damping spring; 18. a pin shaft; 19. a return spring; 20. a pressure spring; 21. and fixing the shaft.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a bumper guard for a robot is provided.

The invention is further explained by referring to the accompanying drawings and the detailed description, as shown in fig. 1-2, the buffer protection device for a robot according to the embodiment of the invention comprises a housing 1 and a plurality of walking wheels 2 uniformly distributed at the bottom end of the housing 1, a plurality of collision-proof bags 3 uniformly distributed are arranged on the outer wall of the housing 1 in a surrounding manner, the collision-proof bags 3 are connected with the housing 1 through buffer mechanisms 4, each buffer mechanism 4 comprises a partition plate 5 transversely arranged in the housing 1, a fixed block 6 is arranged at the top end of each partition plate 5, holes 7 matched with the fixed block 6 are arranged at one side of each fixed block 6 close to the corresponding collision-proof bag 3, a vertically arranged slide bar 8 is arranged at one side of each fixed block 6, a first slide block 9 and a second slide block 10 matched with the slide bar 8 are symmetrically arranged on the slide bar 8, an obliquely arranged support bar 11 is arranged at one side of the first slide block 9 and the second, the other side of bracing piece 11 be equipped with connecting plate 12 that anti-collision bag 3 is connected, connecting plate 12 is kept away from one side symmetry of anti-collision bag 3 be equipped with telescopic link one 13 and telescopic link two 14 that bracing piece 11 is connected, telescopic link one 13 with all overlap on the telescopic link two 14 and be equipped with rather than assorted damping spring 15.

In addition, in one embodiment, an anti-collision layer 16 is arranged on an inner wall of the side of the anti-collision bag 3 away from the shell 1, rubber particles are filled in the anti-collision layer 16, and a plurality of damping springs 17 are uniformly distributed in the anti-collision bag 3. It can be seen from the above design that the cooperation of the anti-collision layer 16 and the damping spring 17 prevents the anti-collision bag 3 from being damaged in the collision process, and prolongs the service life of the anti-collision bag 3.

In addition, in one embodiment, the damping spring 17 is transversely disposed, the first expansion link 13 and the second expansion link 14 are respectively connected to the connecting plate 12 and the support rod 11 through a pin 18, the ends of the first slider 9 and the second slider 10, which are away from each other, are respectively provided with a return spring 19 sleeved on the slide rod 8, and the ends of the return springs 19, which are away from each other, are connected to the inner wall of the fixed block 6. From the design, the matching of the return spring 19 and the first sliding block 9 and the second sliding block 10 is improved, so that the first sliding block 9 and the second sliding block 10 are limited in the sliding process, and the displacement damping effect of the connecting plate 12 is improved.

In addition, in one embodiment, a pressure spring 20 matched with the slide rod 8 is sleeved on the slide rod 8 and located between the first slide block 9 and the second slide block 10, the support rod 11 is arranged in a splayed structure, and the support rod 11 is connected with the first slide block 9, the second slide block 10 and the connecting plate 12 through a fixing shaft 21. It can be seen from the above design that the design of the compression spring 20 in cooperation with the first slider 9 and the second slider 10 further enhances the damping effect on the connecting plate 12 and improves the cushioning effect of the crash bag 3.

In addition, in one embodiment, the crash cushion 3 is a semi-circular structure, and the crash cushion 3 is a high-strength modified plastic. As can be seen from the above design, the modified plastic of the crash-proof bag 3 is a plastic with low price, high elasticity and high strength, thus saving the cost.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the anti-collision bag 3 is collided, the anti-collision bag 3 pushes the connecting plate 12 to move towards the middle of the shell 1 along with the force, the connecting plate 12 extrudes the supporting rod 11 to change the angle in the process of moving, so that the connecting plate 12 can be close to the sliding rod 8, but the connecting plate 12 is pushed to move outwards under the elastic potential energy of the damping spring 15, and further the damping effect is achieved, and the matching of the return spring 19 and the pressure spring 20 is used for limiting the first slider 9 and the second slider 10 in the sliding process, so that the displacement damping of the connecting plate 12 is increased, and the buffering protection effect on the robot is further improved.

In summary, according to the above technical solution of the present invention, the design of the housing 1 and the crash-proof bag 3 is used to facilitate the crash-proof bag 3 to increase the protection effect of the robot, and the design of the buffer mechanism 4 enables the crash-proof bag 3 to press the support rod 11 to the crash-proof bag 3 when the robot collides with another object during operation, so that the support rod 11 moves leftwards under the potential energy condition but generates a force rightwards under the tension of the damping spring 15, thereby effectively absorbing the energy of vibration when the robot collides with another object, and reducing the collision damage of the robot caused by the obstacle in all directions.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a buffering protector for robot, a serial communication port, include casing (1) and be located a plurality of evenly distributed's in casing (1) bottom walking wheel (2), the outer wall of casing (1) encircles anticollision bag (3) that are equipped with a plurality of evenly distributed, anticollision bag (3) through buffer gear (4) with casing (1) is connected, buffer gear (4) are including being located horizontal baffle (5) that set up in casing (1), the top of baffle (5) is equipped with fixed block (6), fixed block (6) are close to one side of anticollision bag (3) is seted up rather than assorted hole (7), one side of fixed block (6) is equipped with slide bar (8) of vertical setting, the symmetry is equipped with rather than assorted slider one (9) and slider two (10) on slide bar (8), slider one (9) with slider two (10) are close to one side of anticollision bag (3) is equipped with the slope Bracing piece (11) that set up to one side, the opposite side of bracing piece (11) be equipped with connecting plate (12) that anticollision bag (3) are connected, connecting plate (12) are kept away from one side symmetry of anticollision bag (3) be equipped with telescopic link (13) and telescopic link two (14) that bracing piece (11) are connected, telescopic link one (13) with all overlap on telescopic link two (14) and be equipped with rather than assorted damping spring (15).

2. The robot bumper guard device according to claim 1, wherein an anti-collision layer (16) is arranged on an inner wall of the anti-collision bag (3) far away from the shell (1), the anti-collision layer (16) is filled with rubber particles, and a plurality of uniformly distributed damping springs (17) are arranged in the anti-collision bag (3).

3. The robot bumper guard according to claim 2, wherein the damping spring (17) is arranged transversely, and the first and second telescopic rods (13, 14) are connected to the connecting plate (12) and the supporting rod (11) respectively by a pin (18).

4. The buffering and protecting device for the robot as claimed in claim 1, wherein a return spring (19) sleeved on the sliding rod (8) is arranged at each end, away from each other, of the first sliding block (9) and the second sliding block (10), and the end, away from each other, of the return spring (19) is connected with the inner wall of the fixed block (6).

5. The bumper guard for a robot according to claim 1, characterized in that a matched pressure spring (20) is sleeved on the slide bar (8) and between the first slider (9) and the second slider (10).

6. The bumper guard for robots according to claim 1, wherein the support rod (11) is arranged in a splayed configuration, and the support rod (11) is connected to the first and second sliders (9, 10) and the connecting plate (12) by a fixed shaft (21).

7. A bumper guard for a robot according to claim 1, characterised in that the crash bag (3) is of a semi-circular configuration and the crash bag (3) is of a high strength modified plastic.