CN220662631U - Driving device for automatic guiding transport vehicle - Google Patents
Driving device for automatic guiding transport vehicle Download PDFInfo
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- CN220662631U CN220662631U CN202322270084.8U CN202322270084U CN220662631U CN 220662631 U CN220662631 U CN 220662631U CN 202322270084 U CN202322270084 U CN 202322270084U CN 220662631 U CN220662631 U CN 220662631U
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Abstract
The utility model discloses a driving device for an automatic guiding transport vehicle, which comprises a square-shaped fixed frame, a box-shaped floating frame, a driving motor and an active travelling wheel, wherein the driving motor and the active travelling wheel are arranged in the middle of the box-shaped floating frame; the utility model abandons the form of vertical arrangement of the compression springs between the fixed frame and the floating frame in the traditional driving device, adopts the form of symmetrically and obliquely arranging two groups of compression springs between the fixed frame and the floating frame, and ensures that the height of the vehicle body is not increased while providing a proper amount of increased compression force of the compression springs for the vehicle body; meanwhile, the defect that the clamping stagnation phenomenon is easy to occur in the conventional linear guide post structure for transferring force between the fixed frame and the floating frame support is overcome, and the linear guide post structure is replaced by a linear guide rail connection mode.
Description
Technical Field
The present utility model relates to an Automatic Guided Vehicle (AGV), and more particularly, to a driving device for an automatic guided vehicle.
Background
The vehicle body frame of the automatic guiding transport vehicle is a rectangular vehicle body frame, driven wheels are arranged at four corners of the rectangular vehicle body frame, and a traveling driving device is arranged at the center of the vehicle body; the frame body of the traveling driving device consists of a fixed frame and a floating frame, the upper end of the fixed frame is fixedly connected with the rectangular vehicle body frame, the floating frame is connected with the fixed frame through a pressure spring, the vehicle body traveling driving wheel and a steering mechanism are arranged on the floating frame, and the pressure spring and four linear guide posts are arranged between the floating frame and the fixed frame; the walking driving process of the automatic guiding transport vehicle is as follows: the driving power comes from a driving motor of a vehicle body walking driving wheel, the driving motor drives the walking driving wheel to rotate, a walking driving device arranged on a floating frame forms driving force for the floating frame, the floating frame transmits the driving force to a fixed frame through four linear guide posts, the fixed frame transmits the driving force to a cuboid vehicle body frame, the cuboid vehicle body frame realizes walking under the support of four driven wheels, namely, the driving wheel of the automatic guiding transport vehicle and the four supporting wheels are grounded at the same time, the driving force is provided by the driving wheel of the driving device, and the four supporting wheels are driven wheels; because the four supporting wheels and the driving wheels are grounded at the same time, when the pressure springs are connected with the fixed frame and the floating frame bracket in the driving device, the driving force of the vehicle body is considered, the floating force provided by the pressure springs is not too large, and the driven wheels are easy to overhead; therefore, the existing automatic guiding transport vehicle has higher requirements on the flatness of the ground, and if the flatness of the walking ground is not high, the phenomenon that the vehicle cannot run out of the pit frequently occurs when the vehicle enters the pit because the floating force of the compression springs of the vehicle body fixing frame and the floating frame bracket is limited; springs between a floating frame and a fixed frame in the existing driving device for the AGV are vertically arranged; in order to overcome the defects, the compression force of the pressure spring can be increased by a method of moderately increasing the length of the pressure spring, but the method tends to increase the height of the vehicle body, the existing automatic guiding transport vehicle is generally used in a stereo garage, and the existing automatic guiding transport vehicle needs to enter the lower part of a chassis of the vehicle to carry out transshipment on the vehicle, so that the height of the automatic guiding transport vehicle is severely limited; therefore, how to increase the compression force of the compression spring moderately on the premise of meeting the strict requirement of the height of the automatic guiding transport vehicle body so as to reduce the requirement on the walking road surface becomes a difficult problem to be solved in the design.
Disclosure of Invention
The utility model provides a driving device for an automatic guiding transport vehicle, which solves the technical problem of moderately increasing compression force of a compression spring to reduce the requirement on a walking road surface on the premise of meeting the severe requirement on the height of the automatic guiding transport vehicle.
The utility model solves the technical problems by the following technical proposal:
the general conception of the utility model is that: the utility model abandons the form of vertical arrangement of the compression springs between the fixed frame and the floating frame in the traditional driving device, adopts the form of symmetrically and obliquely arranging two groups of compression springs between the fixed frame and the floating frame, and ensures that the height of the vehicle body is not increased while providing a proper amount of increased compression force of the compression springs for the vehicle body; meanwhile, the defect that the clamping stagnation phenomenon is easy to occur in the conventional linear guide post structure for transferring force between the fixed frame and the floating frame support is overcome, and the linear guide post structure is replaced by a linear guide rail connection mode.
The driving device for the automatic guided transport vehicle comprises a square-shaped fixed frame, a box-shaped floating frame, a driving motor and an active travelling wheel, wherein the driving motor and the active travelling wheel are arranged in the middle of the box-shaped floating frame, the driving motor and the active travelling wheel are connected with a steering mechanism, the steering mechanism is arranged in the box-shaped floating frame, the box-shaped floating frame is movably arranged in the square-shaped fixed frame, a pair of rear linear guide rails are arranged on the inner side surface of a rear frame beam of the square-shaped fixed frame, rear linear guide rail sliding blocks are movably arranged on the rear linear guide rails, a pair of front linear guide rails are arranged on the inner side surface of a front frame beam of the square-shaped fixed frame, and front linear guide rail sliding blocks are movably arranged on the front linear guide rails; a left lower hanging beam is movably arranged right below the left frame beam of the splayed fixed frame, and a left inner pressure spring and a left outer pressure spring which are arranged in a splayed manner are respectively arranged between the left lower hanging beam and the left frame beam; a right lower hanging beam is movably arranged right below the right frame beam of the splayed fixed frame, and a right inner pressure spring and a right outer pressure spring which are arranged in a splayed manner are respectively arranged between the right lower hanging beam and the right frame beam; a pair of rear side guide rail slide block mounting seats are arranged on the rear side vertical face of the box-shaped floating frame, a pair of front side guide rail slide block mounting seats are arranged on the front side vertical face of the box-shaped floating frame, a left lower hanging beam connecting plate is arranged on the left side of the box-shaped floating frame, a right lower hanging beam connecting plate is arranged on the right side of the box-shaped floating frame, the left lower hanging beam is fixedly connected with the left lower hanging beam connecting plate, and the right lower hanging beam is fixedly connected with the right lower hanging beam connecting plate.
The square-shaped fixed frame is fixedly connected to the middle of the rectangular AGV body frame, a left front supporting wheel frame, a left rear supporting wheel frame, a right front supporting wheel frame and a right rear supporting wheel frame are respectively arranged on the rectangular AGV body frame, and supporting wheels are respectively arranged on the four supporting wheel frames.
The utility model solves the technical problems that the existing AGV has high ground requirement, the AGV driving force is not enough to slip, the AGV with too large driving force tilts, the guide jam fails and the like in the walking process; the aim of reliably grounding four driven wheels is fulfilled while the expansion and contraction amount of the pressure springs between the floating frame and the fixed frame is increased, and the requirement on the flatness of the walking ground is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of the mouth-shaped fixing frame 1 of the present utility model;
fig. 3 is a schematic view of the structure of the box-shaped floating frame 14 of the present utility model;
FIG. 4 is a schematic view of the drive motor and active road wheel 18 of the present utility model;
FIG. 5 is a diagram of the drive motor and active road wheel 18 of the present utility model in conjunction with the box-shaped floating frame 14;
fig. 6 is a schematic structural view of the automatic guided vehicle of the present utility model.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
the driving device for the automatic guided transport vehicle comprises a square-shaped fixed frame 1, a box-shaped floating frame 14, a driving motor and an active traveling wheel 18, wherein the driving motor and the active traveling wheel 18 are arranged in the middle of the box-shaped floating frame 14, a steering mechanism 19 is connected to the driving motor and the active traveling wheel 18, the steering mechanism 19 is arranged in the box-shaped floating frame 14, the box-shaped floating frame 14 is movably arranged in the square-shaped fixed frame 1, the driving motor and the active traveling wheel 18 and the box-shaped floating frame 14 form a whole, when the driving motor drives the active traveling wheel to rotate, the whole box-shaped floating frame 14 is driven to move in a walking way, the steering mechanism 19 is controlled to realize the steering of a vehicle body in the 360-degree direction, a pair of rear linear guide rails 2 are arranged on the inner side of a rear frame beam of the square-shaped fixed frame 1, a pair of front linear guide rail sliders 3 are movably arranged on the inner side of a front frame beam of the square-shaped fixed frame 1, a front linear guide rail slider 5 is movably arranged on the front linear guide rail 4, and when the box-shaped floating frame 14 moves, the whole square-shaped floating frame is automatically driven to move, and the whole transport vehicle is guided by four linear guide rails; a left lower hanging beam 8 is movably arranged right below a left frame beam 6 of the square-shaped fixed frame 1, a splayed left inner pressure spring 10 and a splayed left outer pressure spring 11 are respectively arranged between the left lower hanging beam 8 and the left frame beam 6, the two splayed left inner pressure springs 10 are symmetrically arranged, the two splayed left inner pressure springs are obliquely arranged between the two frames, the length of the pressure springs can be prolonged, a larger driving force is provided for a vehicle body, meanwhile, the phenomenon that four driven wheels are not floated due to the increase of pressure of the pressure springs is realized, the height of the vehicle body is controlled by the oblique arrangement, the horizontal component forces of the two symmetrically arranged left inner pressure springs 10 are offset each other, and the two vertical component forces play a role in increasing the driving force for the vehicle body; a right lower hanging beam 9 is movably arranged right below the right frame beam 7 of the square-shaped fixed frame 1, and a right inner pressure spring 12 and a right outer pressure spring 13 which are arranged in a splayed shape are respectively arranged between the right lower hanging beam 9 and the right frame beam 7; a pair of rear guide rail slide block mounting seats 15 are arranged on the rear vertical face of the box-shaped floating frame 14, a pair of front guide rail slide block mounting seats are arranged on the front vertical face of the box-shaped floating frame 14, a left lower hanging beam connecting plate 16 is arranged on the left side of the box-shaped floating frame 14, a right lower hanging beam connecting plate 17 is arranged on the right side of the box-shaped floating frame 14, the left lower hanging beam 8 is fixedly connected with the left lower hanging beam connecting plate 16, and the right lower hanging beam 9 is fixedly connected with the right lower hanging beam connecting plate 17.
The square-shaped fixed frame 1 is fixedly connected to the middle of a rectangular AGV body frame 20, a left front supporting wheel frame 22, a left rear supporting wheel frame 21, a right front supporting wheel frame 24 and a right rear supporting wheel frame 23 are respectively arranged on the rectangular AGV body frame 20, and supporting wheels are respectively arranged on the four supporting wheel frames; two identical drives are typically provided on the rectangular AGV body frame 20.
Claims (2)
1. The driving device for the automatic guided transport vehicle comprises a square-shaped fixed frame (1), a box-shaped floating frame (14), a driving motor and an active travelling wheel (18), wherein the driving motor and the active travelling wheel (18) are arranged in the middle of the box-shaped floating frame (14), a steering mechanism (19) is connected to the driving motor and the active travelling wheel (18), the steering mechanism (19) is arranged in the box-shaped floating frame (14), the box-shaped floating frame (14) is movably arranged in the square-shaped fixed frame (1), and the driving device is characterized in that a pair of rear linear guide rails (2) are arranged on the inner side surface of a rear frame beam of the square-shaped fixed frame (1), a pair of front linear guide rail sliding blocks (3) are movably arranged on the rear linear guide rails (2), and a pair of front linear guide rail sliding blocks (5) are movably arranged on the inner side surface of a front frame beam of the square-shaped fixed frame (1); a left lower hanging beam (8) is movably arranged right below a left frame beam (6) of the square-shaped fixed frame (1), and a left inner pressure spring (10) and a left outer pressure spring (11) which are arranged in a splayed shape are respectively arranged between the left lower hanging beam (8) and the left frame beam (6); a right lower hanging beam (9) is movably arranged right below a right frame beam (7) of the square-shaped fixed frame (1), and a splayed right inner pressure spring (12) and a splayed right outer pressure spring (13) are respectively arranged between the right lower hanging beam (9) and the right frame beam (7); a pair of rear guide rail slide block mounting seats (15) are arranged on the rear vertical face of the box-shaped floating frame (14), a pair of front guide rail slide block mounting seats are arranged on the front vertical face of the box-shaped floating frame (14), a left lower hanging beam connecting plate (16) is arranged on the left side of the box-shaped floating frame (14), a right lower hanging beam connecting plate (17) is arranged on the right side of the box-shaped floating frame (14), the left lower hanging beam (8) is fixedly connected with the left lower hanging beam connecting plate (16), and the right lower hanging beam (9) is fixedly connected with the right lower hanging beam connecting plate (17).
2. The driving device for an automatic guided vehicle according to claim 1, wherein the fixed frame (1) is fixedly connected to the middle of a rectangular AGV frame (20), a left front support wheel frame (22), a left rear support wheel frame (21), a right front support wheel frame (24) and a right rear support wheel frame (23) are respectively provided on the rectangular AGV frame (20), and support wheels are provided on the four support wheel frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270084.8U CN220662631U (en) | 2023-08-23 | 2023-08-23 | Driving device for automatic guiding transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270084.8U CN220662631U (en) | 2023-08-23 | 2023-08-23 | Driving device for automatic guiding transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220662631U true CN220662631U (en) | 2024-03-26 |
Family
ID=90331489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322270084.8U Active CN220662631U (en) | 2023-08-23 | 2023-08-23 | Driving device for automatic guiding transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220662631U (en) |
-
2023
- 2023-08-23 CN CN202322270084.8U patent/CN220662631U/en active Active
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