CN108674510B

CN108674510B - Y-shaped robot

Info

Publication number: CN108674510B
Application number: CN201810477003.2A
Authority: CN
Inventors: 李路; 吕立新; 贺中跃
Original assignee: Anhui Barcode Information Technology Co ltd; Anhui Business College
Current assignee: Anhui Barcode Information Technology Co ltd; Anhui Business College
Priority date: 2018-05-18
Filing date: 2018-05-18
Publication date: 2020-06-12
Anticipated expiration: 2038-05-18
Also published as: CN108674510A

Abstract

The invention relates to a Y-shaped robot which can freely move on the vertical surface of a large building or a device such as a building, and comprises: the device comprises a main body frame, a telescopic arm, a sucker, a high-speed stepping motor and a screw rod; the main body frame is of a regular hexagon structure, and three telescopic arms are uniformly distributed and installed around the edge of the regular hexagon main body frame and are of a Y-shaped structure; one end of each telescopic arm is in sliding telescopic connection with the main body frame through a guide rail, the other end of each telescopic arm is connected with a sucker through a projecting shaft, three high-speed stepping motors are arranged inside the main body frame in a Y-shaped mode, each high-speed stepping motor corresponds to one telescopic arm, one end of an output shaft of each high-speed stepping motor is connected with one end of a screw rod, the other end of the screw rod is in threaded transmission connection with the telescopic arms, the screw rod is driven to rotate forwards and reversely through the high-speed stepping motors, and therefore the telescopic arms are driven to stretch out or. The invention has simple structure and ingenious conception, does not need a track and can be used on the uneven vertical surface.

Description

Y-shaped robot

Technical Field

The present invention relates to a Y-robot that can freely move on a vertical surface of a large building or an apparatus such as a building.

Background

In production and life, some operation devices are required to perform mobile operations, such as cleaning, transportation, painting, rapping and the like, on the outer surface of a building, the surface of a large ship body, the surface of a large tank body, the surface of a large box body, a large steel frame structure building, the surface of a large storage bin, the surface of a large furnace body and the like. The operation is carried out by manpower, and generally a scaffold is required to be erected for operation, so that the mode wastes time and labor and has great risk. Its structure of mobile robot among the prior art is comparatively complicated, and the magnetism running gear who adopts is single magnet structure mostly, often can lead to the sucking disc to adsorb insecure when having the curvature or having unevenness surface walking, still adopts the travelling car of crawler-type structure among the prior art, though it can solve the problem that the sucking disc adsorbs insecure, adopts its structure of track more complicated, and weight is also heavier.

Disclosure of Invention

The invention aims at the problems mentioned in the background technology, designs a Y-shaped robot which is different from the prior structure and motion method and can freely move on a vertical surface, and the technical scheme is as follows: the Y-shaped robot freely moves on a vertical surface and comprises a main body frame, a telescopic arm, a sucker, a high-speed stepping motor, a screw rod, a controller, an energy storage device and a working device; the method is characterized in that: the main body frame is of a regular hexagon structure, and three telescopic arms are uniformly distributed and installed around the edge of the regular hexagon main body frame and are of a Y-shaped structure; one end of each telescopic arm is in sliding telescopic connection with the main body frame through a guide rail, the other end of each telescopic arm is connected with the sucker through a projecting shaft, and the sucker is positioned below the other end of each telescopic arm; the main body frame is of a cavity or frame structure, three high-speed stepping motors are arranged in a Y-shaped manner in the main body frame, each high-speed stepping motor corresponds to one telescopic arm, an output shaft of each high-speed stepping motor is connected with one end of a screw, the other end of each screw is in threaded transmission connection with the corresponding telescopic arm, and the screws are driven to rotate forwards and reversely by the high-speed stepping motors so as to drive the telescopic arms to extend out of or retract into the main body frame; the controller and the energy storage device are mounted on the upper portion of the main body frame and used for controlling the whole robot to operate and providing electric energy for energy consumption components; the working device is installed on the lower portion of the main body frame.

The surface is made of magnetic or magnetizable substances, and the sucker is an electromagnetic sucker and comprises a coupler, a sucker shaft, a flexible inclusion, a connecting rod mechanism, a small electromagnetic coil and an elastic hinge part; the sucker is connected with an extending shaft of the telescopic arm through the upper part of the coupler; the extension shaft is in rotating connection with the telescopic arm through a bearing; the upper part of the sucker shaft is movably connected with the lower part of the coupler; the lower part of the sucker shaft is connected with a plurality of link mechanisms, one end of each link mechanism is elastically hinged with the sucker shaft, the other end of each link mechanism is provided with the small electromagnetic coils, and the small electromagnetic coils are arranged in a circular matrix or a radial shape by taking the sucker shaft as a center; the flexible inclusion wraps each of the miniature electromagnetic coils and the link mechanism as a whole.

The link mechanism comprises a first link, a second link and a third link; one end of the first connecting rod is connected with the small electromagnetic coil, and the other end of the first connecting rod is connected with one end of the second connecting rod through an elastic hinge part; the other end of the second connecting rod is connected with one end of the third connecting rod through an elastic hinge part; the other end of the third connecting rod is connected with the sucker shaft through an elastic hinge part; the elastic hinge part comprises a hinge shaft and a restorable connecting piece, and each link mechanism is internally provided with a lead for transmitting electric energy to each small electromagnetic coil.

Preferably, the flexible inclusion is made of a high polymer plastic material; the restorable connecting piece is a torsion spring, a tension spring or a gas spring.

Preferably, the coupling is an elastic coupling or a universal coupling or a combination thereof.

Preferably, the working device is a spraying device, a rapping device, a cleaning device or a traction device.

Preferably, a small power assisting device is fixedly mounted on the upper portion of each telescopic arm, and a power output shaft of each small power assisting device penetrates through the telescopic arm to be fixedly connected with a coupling of the sucker in a transmission mode.

Preferably, the small booster is a device that generates power, such as a servo motor, a stepping motor, a dc brushless motor, a hydraulic motor, or a pneumatic motor.

Preferably, the outside of the miniature electromagnetic coil except the bottom surface is wrapped with a magnetic shielding material.

Preferably, the controller is provided with an antenna for communicating with an external control and/or receiving device.

Drawings

Fig. 1 is a front view of the Y-type robot.

Fig. 2 is a cross-sectional view of the telescopic arm of the Y-robot according to the first embodiment.

Fig. 3 is a cross-sectional view of the telescopic arm of the Y-robot according to the second embodiment.

Fig. 4 is a front view of the magnetic chuck.

Fig. 5 is a top view of a magnetic chuck.

Fig. 6 is a connecting view of the link mechanism.

Fig. 7 and 8 are schematic diagrams of the magnetic chuck showing tight engagement on the surface of the unevenness.

Fig. 9 and 10 are schematic diagrams of the movement of the Y-shaped robot.

Description of reference numerals: the device comprises a main body frame 1, a telescopic arm 2, an extension shaft 2-1, a sucker 3, a coupler 3-1, a sucker shaft 3-2, a flexible inclusion 3-3, a link mechanism 3-4, a first connecting rod 3-4-1, a second connecting rod 3-4-2, a third connecting rod 3-4-3, a small electromagnetic coil 3-5, an elastic hinge part 3-6, a restorable connecting piece 3-6-1, a high-speed stepping motor 4, a screw 5, a controller 6, an energy storage device 7, a working device 8 and a small power assisting device 9.

Detailed Description

Example 1

As shown in the attached fig. 1-2, the Y-shaped robot capable of freely moving on the vertical surface comprises a main body frame 1, a telescopic arm 2, a suction cup 3, a high-speed stepping motor 4, a screw 5, a controller 6, an energy storage device 7 and a working device 8; the method is characterized in that: the main body frame 1 is of a regular hexagon structure, and three telescopic arms 2 are uniformly arranged and installed on the edge of the regular hexagon main body frame 1 and are of a Y-shaped structure; one end of each telescopic arm 2 is in sliding telescopic connection with the main body frame 1 through a guide rail, the other end of each telescopic arm 2 is in shaft connection with a sucker 3 through an extension shaft 2-1, and the sucker 3 is positioned below the other end of each telescopic arm 2; the main body frame 1 is of a cavity or frame structure, three high-speed stepping motors 4 are arranged in a Y-shaped manner in the main body frame 1, each high-speed stepping motor 4 corresponds to one telescopic arm 2, an output shaft of each high-speed stepping motor 4 is connected with one end of a screw 5, the other end of each screw 5 is in threaded transmission connection with the corresponding telescopic arm 2, and the screw 5 is driven by the high-speed stepping motors 4 to rotate forwards and reversely, so that the telescopic arms 2 are driven to extend out of or retract into the main body frame 1; the upper part of the main body frame 1 is provided with a controller 6 and an energy storage device 7 which are used for controlling the whole robot to operate and providing electric energy for energy consumption components; the lower part of the main body frame 1 is provided with a working device 8, and the working device 8 is a spraying device, a rapping device, a cleaning device or a traction device and the like.

The working principle/method is that referring to fig. 9-10, the three telescopic arms 2 of the Y-shaped robot are respectively defined as a1, a2 and A3.

When the Y-shaped robot needs to move transversely, as shown in the attached drawing 9, the controller 6 controls the suckers on the telescopic arms A1 and A2 to be separated from the surface adsorbed by the suckers, and controls the suckers on the telescopic arms A3 to be still adsorbed on the surface, because the suckers are positioned on the vertical surface, the whole Y-shaped robot rotates around the suckers on the telescopic arms A3 as an axis under the action of gravity, in the process that the whole Y-shaped robot rotates to the lowest point from the horizontal direction, the screw rods 5 connected with the three telescopic arms are driven by the high-speed stepping motor 4 to rotate forwards, the three telescopic arms are controlled to extend, and the gravity center position of the; in the process that the whole Y-shaped robot is rotated to the horizontal position from the lowest point, the screw rods 5 connected with the three telescopic arms are driven by the high-speed stepping motor 4 to rotate reversely, the three telescopic arms are controlled to be shortened, the gravity center position of the Y-shaped robot is raised, and the suckers and the vertical surfaces on the telescopic arms A1 and A2 are controlled to adsorb when the whole Y-shaped robot moves to the horizontal position, so that the transverse movement of the process is completed.

When the Y-shaped robot needs to move upwards, as shown in fig. 10, the controller 6 controls the suction cups on the telescopic arms a1 and a2 to be separated from the surface to which the suction cups are attached, and controls the suction cups on the telescopic arm A3 to be still attached to the surface, because the suction cups are on the vertical surface, under the action of gravity, the whole Y-shaped robot rotates around the suction cups on the telescopic arm A3 as an axis, in the process that the whole Y-shaped robot rotates to the lowest point from the horizontal direction, the screw 5 connected with the three telescopic arms is driven by the high-speed stepping motor 4 to rotate forward, the three telescopic arms are controlled to extend, the gravity center position of the Y-shaped robot is lowered, and the three telescopic arms; in the process that the whole Y-shaped robot rotates from the lowest point to the highest point, the screw rods 5 connected with the three telescopic arms are driven by the high-speed stepping motor 4 to rotate reversely, the three telescopic arms are controlled to be shortened, the gravity center position of the Y-shaped robot is raised, and the suckers on the telescopic arms A1 and A2 are controlled to be adsorbed on the vertical surface when the whole Y-shaped robot moves to the highest point, so that the upward movement in one process is completed.

Above-mentioned, the momentum conservation principle has been utilized to horizontal and ascending removal process, through the continuous change of the length of controlling three flexible arm A1, A2, A3, thereby make the focus of Y type robot produce the change, make the focus of Y type robot constantly vibrate, thereby drive the rotation of whole Y type robot, reach the purpose of removing Y type robot, whole rotation process can be analogized to "swing" or "gymnastics sportsman rotates on the horizontal bar" process and principle.

When the Y-shaped robot needs to move downwards, only one sucker located at the lower telescopic arm of the Y-shaped robot is adsorbed on the surface, and the Y-shaped robot can move downwards under the action of gravity.

When the Y-type robot reaches the working area by the above movement, the controller 6 controls the suction cups on the telescopic arms a1, a2, A3 to be sucked to the vertical surface, and the working device 8 starts to work.

Example 2

As shown in attached figures 1-2 and 4-6, on the basis of the Y-shaped robot in embodiment 1, in this embodiment, the surface in contact with the suction cup is made of a magnetic or magnetizable substance, and the suction cup 3 is an electromagnetic suction cup and comprises a coupling 3-1, a suction cup shaft 3-2, a flexible inclusion 3-3, a link mechanism 3-4, a small electromagnetic coil 3-5 and an elastic hinge part 3-6; the sucker 3 is connected with an extension shaft 2-1 of the telescopic arm 2 through the upper part of a coupler 3-1; the extension shaft 2-1 is rotatably connected with the telescopic arm 2 through a bearing; the upper part of the sucker shaft 3-2 is movably connected with the lower part of the coupling 3-1, and the coupling 3-1 is an elastic coupling or a universal coupling or a combination thereof; the lower part of the sucker shaft 3-2 is connected with a plurality of link mechanisms 3-4, one end of each link mechanism 3-4 is elastically hinged with the sucker shaft 3-2, the other end of each link mechanism 3-4 is provided with a small electromagnetic coil 3-5, and the small electromagnetic coils 3-5 are arranged in a circular matrix or a radial shape by taking the sucker shaft 3-2 as the center; the flexible inclusion 3-3 wraps each small electromagnetic coil 3-5 and the link mechanism 3-4 into a whole, the flexible inclusion 3-3 is made of polymer plastic materials, the shape of each small electromagnetic coil 3-5 can be changed along with the change of the position of each small electromagnetic coil, and meanwhile, the effect of protecting the small electromagnetic coils from being influenced by external environments (such as dust, water and the like) is achieved. The link mechanism 3-4 comprises a first link 3-4-1, a second link 3-4-2 and a third link 3-4-3; one end of the first connecting rod 3-4-1 is connected with the small electromagnetic coil 3-5, and the other end is connected with one end of the second connecting rod 3-4-2 through the elastic hinge part 3-6; the other end of the second connecting rod 3-4-2 is connected with one end of a third connecting rod 3-4-3 through an elastic hinge part 3-6; the other end of the third connecting rod 3-4-3 is connected with the sucker shaft 3-2 through an elastic hinge part 3-6; the elastic hinge part 3-6 comprises a hinge shaft and a restorable connecting piece 3-6-1, wherein the restorable connecting piece 3-6-1 is a torsion spring, a tension spring or an air spring and is used for keeping the sucker 3 in a fixed shape in a non-working state; and each link mechanism 3-4 is internally provided with a lead wire for transmitting electric energy to each small electromagnetic coil 3-5. The exterior of the small electromagnetic coils 3-5 except the bottom surface is covered with a magnetic shielding material such as stainless steel, etc. for preventing the coils from interfering with each other.

The working principle is that when the electromagnetic chuck 3 is contacted with the rugged surface, a plurality of small electromagnetic coils 3-5 are arranged in one chuck, so that each small electromagnetic coil 3-5 can be contacted with the surface of an object as much as possible as shown in the attached drawings 5-6, and meanwhile, as the small electromagnetic coils 3-5 are wrapped by the flexible wrapping bodies 3-3, each small electromagnetic coil 3-5 is connected with the connecting rod mechanism 3-4, the whole electromagnetic chuck is enabled to deform, the small electromagnetic coils are contacted with the surface of the object to the maximum extent, and the adsorption force of the chuck is improved; when the sucker leaves the surface of an object, the link mechanism 3-4 connected with each small electromagnetic coil 3-5 adopts a restorable connecting piece 3-6-1, such as a torsion spring, a tension spring or a gas spring, and the like, and the restorable connecting piece 3-6-1 enables the link mechanism 3-4 to drive the small electromagnetic coil 3-5 and the whole electromagnetic sucker to restore to the state before deformation.

Example 3

Referring to fig. 1 and 3, on the basis of the Y-type robot in

embodiments

1 and 2, a small power assisting device 9 is added on each telescopic arm 2, and a power output shaft of the small power assisting device 9 passes through the telescopic arm 2 to be fixedly connected with a coupling 3-1 of the suction cup 3 in a transmission manner, so that the small power assisting device 9 can drive the telescopic arm 2 and the suction cup 3 to rotate relatively.

Its theory of operation does, if appear when the condition that rotation power is not enough in the pivoted in-process of Y type robot, the small-size booster unit 9 that the sucking disc 3 of 6 control of controller and vertical surface absorption is connected begins to operate, for rotating to provide auxiliary power, it rotates to drive Y type robot, when the vertical surface of this sucking disc 3 rotates along with Y type robot, the small-size booster unit 9 that 6 control of controller and this sucking disc 3 are connected drives the reversal of this sucking disc 3, turned angle is the last pivoted angle of this sucking disc 3, be used for preventing power supply or control wire winding.

The foregoing is merely a preferred embodiment of the invention and the technical principles applied, and any changes or alternative embodiments that can be easily conceived by those skilled in the art within the technical scope of the invention disclosed herein should be covered within the scope of the invention.

Claims

1. A Y-shaped robot can freely move on a vertical surface and comprises a main body frame (1), a telescopic arm (2), a sucker (3), a high-speed stepping motor (4), a screw rod (5), a controller (6), an energy storage device (7) and a working device (8); the method is characterized in that: the main body frame (1) is of a regular hexagon structure, and three telescopic arms (2) are uniformly distributed and mounted on the edge of the main body frame (1) and are of a Y-shaped structure; one end of each telescopic arm (2) is in sliding telescopic connection with the main body frame (1) through a guide rail, the other end of each telescopic arm (2) is connected with the sucker (3) through a projecting shaft (2-1) in a shaft connection mode, and the sucker (3) is located below the other end of each telescopic arm (2); the main body frame (1) is of a cavity or frame structure, three high-speed stepping motors (4) are arranged in a Y-shaped manner in the main body frame (1), each high-speed stepping motor (4) corresponds to one telescopic arm (2), an output shaft of each high-speed stepping motor (4) is connected with one end of a screw rod (5), the other end of each screw rod (5) is in threaded transmission connection with the telescopic arm (2), and the high-speed stepping motors (4) drive the screw rods (5) to rotate forwards and backwards so as to drive the telescopic arms (2) to extend out of or retract into the main body frame (1); the controller (6) and the energy storage device (7) are mounted on the upper portion of the main body frame (1) and used for controlling the whole robot to operate and providing electric energy for energy consumption components; the working device (8) is arranged at the lower part of the main body frame (1); the surface is made of magnetic or magnetizable substances, the sucker (3) is an electromagnetic sucker and comprises a coupler (3-1), a sucker shaft (3-2), a flexible inclusion (3-3), a connecting rod mechanism (3-4), a small electromagnetic coil (3-5) and an elastic hinge part (3-6); the sucker (3) is connected with an extension shaft (2-1) of the telescopic arm (2) through the upper part of a coupler (3-1); the extension shaft (2-1) is rotatably connected with the telescopic arm (2) through a bearing; the upper part of the sucker shaft (3-2) is movably connected with the lower part of the coupler (3-1); the lower part of the sucker shaft (3-2) is connected with a plurality of link mechanisms (3-4), one end of each link mechanism (3-4) is elastically hinged with the sucker shaft (3-2), the other end of each link mechanism (3-4) is provided with the small electromagnetic coil (3-5), and the small electromagnetic coils (3-5) are arranged in a circular matrix or a radial shape by taking the sucker shaft (3-2) as a center; the flexible inclusion (3-3) wraps each small electromagnetic coil (3-5) and the link mechanism (3-4) into a whole.

2. The Y-robot as set forth in claim 1, wherein: the link mechanism (3-4) comprises a first link (3-4-1), a second link (3-4-2) and a third link (3-4-3); one end of the first connecting rod (3-4-1) is connected with the small electromagnetic coil (3-5), and the other end of the first connecting rod is connected with one end of the second connecting rod (3-4-2) through an elastic hinge part (3-6); the other end of the second connecting rod (3-4-2) is connected with one end of the third connecting rod (3-4-3) through an elastic hinge part (3-6); the other end of the third connecting rod (3-4-3) is connected with the sucker shaft (3-2) through an elastic hinge part (3-6); the elastic hinge parts (3-6) comprise hinge shafts and restorable connecting pieces (3-6-1), and each link mechanism (3-4) is internally provided with a lead for transmitting electric energy to each small electromagnetic coil (3-5).

3. A Y-robot as claimed in claim 2, wherein: the flexible inclusion (3-3) is made of a high polymer plastic material; the restorable connecting piece (3-6-1) is a torsion spring, a tension spring or a gas spring.

4. A Y-robot as claimed in any one of claims 1-2, wherein: the coupling (3-1) is an elastic coupling or a universal coupling or a combination thereof.

5. The Y-robot as claimed in claim 1, wherein: the working device (8) is a spraying device, a rapping device, a cleaning device or a traction device.

6. The Y-robot as claimed in claim 1, wherein: and a small power assisting device (9) is fixedly mounted on the upper part of each telescopic arm (2), and a power output shaft of the small power assisting device (9) penetrates through the telescopic arms (2) to be fixedly connected with a coupling (3-1) of the sucker (3) in a transmission manner.

7. The Y-shaped robot as claimed in claim 6, wherein: the small-sized power assisting device (9) is a device for generating power by a servo motor, a stepping motor, a direct current brushless motor, a hydraulic motor or a pneumatic motor.

8. The Y-robot as set forth in claim 2, wherein: the outside of the small electromagnetic coils (3-5) except the bottom surface is wrapped with magnetic shielding materials.