CN215660341U

CN215660341U - Robot collision device

Info

Publication number: CN215660341U
Application number: CN202120776223.2U
Authority: CN
Inventors: 张改莲; 彭丽霞
Original assignee: Xian International University
Current assignee: Xian International University
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-01-28
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a robot anti-collision device which comprises an anti-collision frame, a buffer assembly and a protection plate, wherein the anti-collision frame comprises a connecting piece, a sliding rod, a sliding sleeve and a telescopic spring, the sliding rod is fixedly installed at two ends of the connecting piece through bolts, the sliding sleeve is symmetrically sleeved on the outer wall of the sliding rod in a sliding manner, the telescopic spring is sleeved on one side, located between the sliding sleeve and the connecting piece, of the outer wall of the sliding rod, the buffer assembly is fixedly installed at one end of the sliding sleeve through bolts, the buffer assembly comprises a support plate, a buffer rod, a limiting plate, a buffer spring and an installation plate, and the protection plate is fixedly installed on the outer side of the connecting piece through bolts; the collision-proof device provided by the utility model consumes the impact force generated by inertia when the robot is collided through the combined action of the buffer spring and the telescopic spring, avoids the rigid collision between the robot and the collision-proof device, can well protect the robot, and improves the practicability of the device.

Description

Robot collision device

Technical Field

The utility model relates to the technical field of robot protection devices, in particular to an anti-collision device for a robot.

Background

A robot is a machine device that automatically performs work; the system can accept human commands, run pre-programmed programs and perform outline actions according to principles formulated by artificial intelligence technology; the task of the robot is to assist or replace human work, such as production industry, construction industry or dangerous work, the application of the robot greatly improves the production efficiency, and the robot is protected when replacing an operator to perform high-intensity work, and the mobile robot is often collided when in use, so that an anti-collision device is needed to protect the robot.

However, the existing anti-collision device has the following defects when in use:

when the robot receives the collision, although current buffer stop can protect the robot to avoid the collision, nevertheless because inertial effect, the robot can take place the rigidity collision with buffer stop, leads to current buffer stop guard effect relatively poor, has reduced buffer stop's practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a robot anti-collision device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a robot anti-collision device comprises an anti-collision frame, a buffer assembly and a protection plate, wherein the anti-collision frame comprises a connecting piece, a sliding rod, a sliding sleeve and a telescopic spring, the two ends of the connecting piece are fixedly provided with the sliding rod through bolts, the outer wall of the sliding rod is symmetrically and slidably sleeved with the sliding sleeve, the telescopic spring is sleeved on one side between the sliding sleeve and the connecting piece, one end of the sliding sleeve is fixedly provided with the buffer assembly through the bolts, the buffer assembly comprises a support plate, a buffer rod, a limit plate, the buffer spring and a mounting plate, the support plate is fixedly connected with the sliding sleeve through bolts, the surface of the support plate is symmetrically penetrated and inserted with the buffer rod, one end of the buffer rod is fixedly provided with the limit plate through the bolts, the other end of the buffer rod is fixedly provided with the mounting plate through the bolts, one side, between the limit plate and the support plate, of the outer wall of the buffer rod is sleeved with the buffer spring, and the outer side of the connecting piece is fixedly provided with a protection plate through a bolt.

The connecting piece is of an L-shaped structure, the number of the connecting pieces is four, the number of the sliding rods is four, and the adjacent two sliding rods are fixedly installed at the two ends of the connecting piece through bolts respectively.

The four connecting pieces and the four sliding rods are enclosed to form a square structure.

The sliding rod is characterized in that the cross section of the sliding rod is of a square structure, the surface of the sliding sleeve is provided with a through hole matched with the sliding rod in a penetrating mode, the cross section of the through hole is of a square structure, and the sliding sleeve is sleeved on the outer wall of the sliding rod in a sliding mode through the through hole.

One end of the telescopic spring is fixedly connected with the sliding sleeve through a bolt, and the other end of the telescopic spring is fixedly connected with the connecting piece through a bolt.

One end of the buffer spring is fixedly connected with the limiting plate through a bolt, and the other end of the buffer spring is fixedly connected with the supporting plate through a bolt.

Compared with the prior art, the utility model has the beneficial effects that:

the collision-proof device provided by the utility model consumes the impact force generated by inertia when the robot is collided through the combined action of the buffer spring and the telescopic spring, avoids the rigid collision between the robot and the collision-proof device, can well protect the robot, and improves the practicability of the device.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic top view of the crash frame of the present invention;

FIG. 3 is a schematic top view of a cushioning assembly according to the present invention.

In the figure: 10. an anti-collision frame; 11. a connecting member; 12. a slide bar; 13. a sliding sleeve; 14. a tension spring; 20. a buffer assembly; 21. a support plate; 22. a buffer rod; 23. a limiting plate; 24. a buffer spring; 25. mounting a plate; 30. and (4) a protective plate.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: a robot anti-collision device comprises an anti-collision frame 10, a buffer component 20 and a protection plate 30, wherein the anti-collision frame 10 comprises a connecting piece 11, a sliding rod 12, a sliding sleeve 13 and a telescopic spring 14, the sliding rod 12 is fixedly installed at two ends of the connecting piece 11 through bolts, the sliding sleeve 13 is symmetrically sleeved on the outer wall of the sliding rod 12 in a sliding mode, the telescopic spring 14 is sleeved on one side, located between the sliding sleeve 13 and the connecting piece 11, of the outer wall of the sliding rod 12, and the buffer component 20 is fixedly installed at one end of the sliding sleeve 13 through bolts; when the robot receives the collision, keep apart robot and bump thing through guard plate 30 to the robot can be because inertial action, and the robot is strikeed to the direction of collision, then the robot continues the extrusion to the mounting panel 25 of impact direction, and the mounting panel 25 drives through buffer beam 22 and flexible with the buffer spring 24 of impact force syntropy, consumes the inertial impact force of robot through buffer spring 24's flexible.

The buffer assembly 20 comprises a support plate 21, a buffer rod 22, a limiting plate 23, a buffer spring 24 and a mounting plate 25, the support plate 21 is fixedly connected with the sliding sleeve 13 through bolts, the buffer rod 22 symmetrically penetrates through and is inserted into the surface of the support plate 21, the limiting plate 23 is fixedly mounted at one end of the buffer rod 22 through the bolts, the mounting plate 25 is fixedly mounted at the other end of the buffer rod 22 through the bolts, the buffer spring 24 is sleeved at one side, located between the limiting plate 23 and the support plate 21, of the outer wall of the buffer rod 22, and the protection plate 30 is fixedly mounted on the outer side of the connecting piece 11 through the bolts; when the robot impacts in the collision direction, the robot drives the sliding sleeve 13 to slide along the sliding rod 12 direction through the buffer component 20 perpendicular to the collision direction, then drives the expansion spring 14 perpendicular to the collision direction to expand and contract through the sliding sleeve 13, and the inertia impact force of the robot is consumed through the expansion and contraction of the expansion spring 14.

The connecting pieces 11 are of an L-shaped structure, four connecting pieces 11 are arranged, four sliding rods 12 are arranged, and two adjacent sliding rods 12 are fixedly installed at two ends of the same connecting piece 11 through bolts respectively; the four connecting pieces 11 and the four sliding rods 12 enclose to form a square structure, and the four connecting pieces 11 and the four sliding rods 12 enclose to form a square frame, so that the collision device can be sleeved outside the robot, and the collision device can be conveniently assembled outside the robot.

The cross section of the sliding rod 12 is of a square structure, the surface of the sliding sleeve 13 is provided with a through hole matched with the sliding rod 12 in a penetrating mode, the cross section of the through hole is of a square structure, and the sliding sleeve 13 is sleeved on the outer wall of the sliding rod 12 in a sliding mode through the through hole; thus, the sliding sleeve 13 can slide along the sliding rod 12 in a square shape; and the sliding sleeve 13 is prevented from rotating around the sliding rod 12.

One end of the telescopic spring 14 is fixedly connected with the sliding sleeve 13 through a bolt, and the other end of the telescopic spring 14 is fixedly connected with the connecting piece 11 through a bolt; when the robot generates an inertial impact force forward in the collision direction, the inertial impact force of the robot is consumed by the extension springs 14 perpendicular to the inertial impact direction.

One end of the buffer spring 24 is fixedly connected with the limiting plate 23 through a bolt, and the other end of the buffer spring 24 is fixedly connected with the support plate 21 through a bolt; when the robot generates an inertial impact force forward in the collision direction, the inertial impact force of the robot is consumed by the buffer springs 24 in conformity with the inertial impact direction.

The working principle is as follows: when the collision-prevention device is used, the collision-prevention device is sleeved on the outer side of a robot, then the mounting plate 25 is mounted on the outer side of the robot through bolts, so that the collision-prevention device is assembled on the outer side of the robot, the robot is protected through the collision-prevention device, when the robot is collided, the robot is separated from a collision object through the protection plate 30, the robot can impact in the collision direction due to the inertia effect, then the robot continuously extrudes the mounting plate 25 in the collision direction, the mounting plate 25 drives the buffer spring 24 in the same direction as the impact force to stretch through the buffer rod 22, and the inertia impact force of the robot is consumed through the stretching of the buffer spring 24; meanwhile, when the robot impacts in the collision direction, the robot drives the sliding sleeve 13 to slide along the direction of the sliding rod 12 through the buffer component 20 perpendicular to the collision direction, then drives the telescopic spring 14 perpendicular to the collision direction to stretch through the sliding sleeve 13, and the inertia impact force of the robot is consumed through the stretching of the telescopic spring 14; thus, under the common action of the buffer spring 24 and the extension spring 14, the impact force generated by inertia when the robot is collided is consumed, the robot is prevented from rigidly colliding with the anti-collision device, the robot can be well protected, and the practicability of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a collision avoidance device of robot, includes crashproof frame (10), cushion assembly (20) and guard plate (30), its characterized in that: the anti-collision frame (10) comprises a connecting piece (11), sliding rods (12), sliding sleeves (13) and telescopic springs (14), the sliding rods (12) are fixedly mounted at two ends of the connecting piece (11) through bolts, the sliding sleeves (13) are symmetrically and slidably sleeved on the outer walls of the sliding rods (12), the telescopic springs (14) are sleeved on one sides of the outer walls of the sliding sleeves (13) and the connecting piece (11), a buffer component (20) is mounted at one end of each sliding sleeve (13) through bolts, each buffer component (20) comprises a supporting plate (21), a buffer rod (22), a limiting plate (23), a buffer spring (24) and a mounting plate (25), the supporting plate (21) is fixedly connected with the sliding sleeves (13) through bolts, the buffer rods (22) are symmetrically inserted and connected in a surface mode in a penetrating mode, and one end of each buffer rod (22) is fixedly mounted with the limiting plate (23) through bolts, buffer beam (22) other end has mounting panel (25) through bolt fixed mounting, buffer beam (22) outer wall is located limiting plate (23) with buffer spring (24) have been cup jointed to one side between backup pad (21), there is guard plate (30) in the connecting piece (11) outside through bolt fixed mounting.

2. The robot collision-prevention device according to claim 1, characterized in that: connecting piece (11) are L type structure, connecting piece (11) are provided with four, slide bar (12) are provided with four, adjacent two slide bar (12) are same through bolt fixed mounting respectively the both ends of connecting piece (11).

3. The robot collision-prevention device according to claim 2, characterized in that: the four connecting pieces (11) and the four sliding rods (12) form a square structure in a surrounding mode.

4. The robot collision-prevention device according to claim 3, characterized in that: the cross section of the sliding rod (12) is of a square structure, the surface of the sliding sleeve (13) penetrates through a penetrating hole matched with the sliding rod (12), the cross section of the penetrating hole is of a square structure, and the sliding sleeve (13) is slidably sleeved on the outer wall of the sliding rod (12) through the penetrating hole.

5. The robot collision-prevention device according to claim 4, characterized in that: one end of the telescopic spring (14) is fixedly connected with the sliding sleeve (13) through a bolt, and the other end of the telescopic spring (14) is fixedly connected with the connecting piece (11) through a bolt.

6. The robot collision-prevention device according to claim 5, characterized in that: one end of the buffer spring (24) is fixedly connected with the limiting plate (23) through a bolt, and the other end of the buffer spring (24) is fixedly connected with the supporting plate (21) through a bolt.