Rotating platform structure based on 90-degree rotation

Abstract

The utility model provides a rotating platform structure based on 90-degree rotation. The rotating platform structure aims to solve the problem that an RGV trolley structure in the prior art does not have the function of accurately rotating by a certain angle in a narrow producing area; the trolley mainly comprises a trolley chassis, a guide rail on the upper end face, a rack platform, a driving driving assembly, a driven driving assembly and a main shaft, compared with the prior art, the double-motor double-control rotation is adopted, after advancing, retreating and angle passing are controlled by the double motors at the same time, accurate limiting is carried out through the limiting device, and compared with traditional oil cylinder driving rotation, limitation of the rotation angle and the rotation direction can be ignored.

Description

Technical Field

[0001] This utility model relates to the field of RGV transfer technology, and in particular to a rotating platform structure based on 90-degree rotation. Background Technology

[0002] In the boiler factory sector, it is necessary to transport materials to different boilers. Especially in small factory spaces, there are often two sets of opposing boilers set up opposite each other. Due to the limited space, it is necessary to combine the function of delivering materials to the two opposing boilers into one RGV vehicle.

[0003] RGV carts are an important component of automated production systems, used for seamless integration with other automated equipment. However, existing RGV cart chassis structures are only designed for walking and load-bearing functions, lacking the ability to precisely turn around at a certain angle within confined production areas. Utility Model Content

[0004] To address the shortcomings of the prior art, this application provides a rotating platform structure based on 90-degree rotation. It employs dual-motor dual-control rotation, with both motors simultaneously controlling forward and backward movement. After passing the angle, a limiting device precisely limits the rotation. Compared to traditional hydraulic cylinder-driven rotation, this design can ignore the limitations of rotation angle and direction.

[0005] The technical solution adopted in this utility model is as follows:

[0006] A rotating platform structure based on 90-degree rotation includes a trolley chassis, a guide rail on the upper surface of the trolley chassis, a frame platform mounted on the guide rail, two sets of active drive components that travel along the guide rail connected to the front two sides of the frame platform, two sets of passive drive components that travel along the guide rail connected to the rear two sides of the frame platform, a main shaft located at the center of the trolley chassis, and the center of the frame platform connected to the main shaft, which is rotated around the center by the active drive components.

[0007] Furthermore, each of the active drive components includes a first flange bracket connected to the frame platform, a motor base connected to the end face of the first flange bracket, a servo motor fixed to the outward end face of the motor base, a first sprocket connected to the drive end of the servo motor, a rotating shaft disposed within the internal cavity of the motor base, a second sprocket disposed on the rotating shaft, the first sprocket and the second sprocket being connected by chain drive, and a drive wheel also disposed on the coaxial axis of the second sprocket.

[0008] Furthermore, the driven component includes a second flange bracket connected to the rear end of the frame platform, with a wheel seat connected to the end face of the second flange bracket, and a driven wheel disposed in the wheel seat via a rotating shaft.

[0009] Furthermore, a bearing seat is provided at the center of the chassis of the trolley, a bearing is provided inside the bearing seat, a main shaft is connected inside the bearing, the upper end face of the bearing seat is a flange end face, four sets of plug-in plates are inserted into each other on the flange end face, and a through square groove is formed between the opposite plug-in plates. The square groove is used to support and fix the frame platform.

[0010] Furthermore, a walking component for driving the vehicle chassis is provided on the lower end surface of the vehicle chassis.

[0011] Furthermore, two sets of limiting devices are also provided within the frame of the vehicle chassis.

[0012] The beneficial effects of this utility model are as follows:

[0013] Compared with existing technologies, this utility model adopts dual-motor dual-control rotation, with dual motors controlling the forward and backward movement simultaneously. After passing the angle, a limiting device precisely limits the movement. Compared with traditional hydraulic cylinder-driven rotation, it can ignore the limitations of rotation angle and direction. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model without the rack platform installed;

[0016] Figure 3 This is a schematic diagram of the active drive component in this utility model;

[0017] Figure 4 This is a schematic diagram of the driven component in this utility model;

[0018] Figure 5 This is a schematic diagram of the limiting device in this utility model;

[0019] Figure 6 This is a structural schematic diagram showing the position of the main shaft at the center of rotation in this utility model.

[0020] The components include: 1. trolley chassis; 2. guide rails; 3. frame platform;

[0021] 4. Active drive assembly; 41. First flange bracket; 42. Servo motor; 43. First sprocket; 44. Rotating shaft; 45. Second sprocket; 46. Drive wheel; 47. Motor mount;

[0022] 5. Driven assembly; 51. Second flange bracket; 52. Wheel seat; 53. Driven wheel; 6. Main shaft; 7. Bearing seat; 8. Connecting plate; 9. Square slot; 10. Traveling assembly; 11. Limiting device. Detailed Implementation

[0023] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0024] This invention provides a rotating platform structure based on 90-degree rotation, which aims to solve the problem that existing RGV trolleys cannot rotate back and forth in a narrow space and after being loaded with materials.

[0025] like Figures 1 to 6 As shown, this utility model includes a trolley chassis 1, a guide rail 2 is provided on the upper surface of the trolley chassis 1, a frame platform 3 is provided on the guide rail 2, two sets of active drive components 4 that travel along the guide rail 2 are connected to the front two sides of the frame platform 3, and two sets of driven drive components 5 that travel along the guide rail 2 are connected to the rear two sides of the frame platform 3. A main shaft 6 is provided at the center of the trolley chassis 1, and the center of the frame platform 3 is connected to the main shaft 6 and the active drive components 4 make the platform rotate around the center.

[0026] In one embodiment of this utility model, each of the active drive components 4 includes a first flange bracket 41 connected to the frame platform 3. A motor base 47 is connected to the end face of the first flange bracket 41. A servo motor 42 is fixed to the outward end face of the motor base 47. A first sprocket 43 is connected to the drive end of the servo motor 42. A rotating shaft 44 is provided in the internal cavity of the motor base 47. A second sprocket 45 is provided on the rotating shaft 44. The first sprocket 43 and the second sprocket 45 are connected by chain drive. A drive wheel 46 is also provided on the coaxial axis of the second sprocket 45.

[0027] In one embodiment of the present invention, the driven component 5 includes a second flange bracket 51 connected to the rear end of the frame platform 3. The end face of the second flange bracket 51 is connected to a wheel seat 52, and a driven wheel 53 is provided in the wheel seat 52 through a rotating shaft 44.

[0028] In one embodiment of this utility model, a bearing seat 7 is provided at the center of the trolley chassis 1, a bearing is provided inside the bearing seat 7, a main shaft 6 is connected inside the bearing, the upper end face of the bearing seat 7 is a flange end face, four sets of plug-in plates 8 are inserted into each other on the flange end face, and a through square groove 9 is formed between the opposite plug-in plates 8, the square groove 9 is used to support and fix the frame platform 3.

[0029] In one embodiment of this utility model, a walking component 10 for driving the trolley chassis 1 to move is provided on the lower end surface of the trolley chassis 1.

[0030] In one embodiment of this utility model, two sets of limiting devices 11 are also provided in the frame of the car chassis 1; the specific working principle of the limiting device 11 has been disclosed in Chinese utility model patent with publication number CN214778413U, and will not be repeated here.

[0031] The specific structure and working principle of this utility model are as follows:

[0032] This utility model mainly includes a trolley chassis 1, a guide rail 2, and a frame platform 3 rotatably mounted on the guide rail 2; the trolley chassis 1 enables the trolley to move forward, backward, left, and right through the walking component 10 on the lower end of the chassis. The specific structure of the walking component 10 is the same as that of the traditional RGV and will not be described in detail.

[0033] The frame platform 3 on the chassis 1 has a rotation center and rotation guides and drives located at both ends of the frame platform 3. The rotation center is located at the center of the chassis 1 and includes a bearing seat 7. A main shaft 6 is mounted on the bearing seat 7 and rotates through the bearings inside the bearing seat 7. Four plug plates 8 are fixed upward on the bearing seat 7. Since the frame platform 3 is a long rectangle, the square groove 9 formed by the plug plates can support and accommodate the frame platform 3. The front and rear ends of the frame platform 3 are respectively provided with an active drive assembly 4 and a driven drive assembly 5, both of which provide guidance for the frame platform 3 to slide on the guide rail 2. The active drive assembly 4 uses a servo motor 42 to provide input driving force. The dual motors control the rotation, and the forward and backward movements are controlled simultaneously by the dual motors. After passing an angle, the limit device 11 performs precise limiting.

[0034] The above description is an explanation of the present utility model and not a limitation thereof. The scope of the present utility model is defined by the claims. Within the protection scope of the present utility model, any form of modification may be made.

Claims

1. A rotating platform structure based on 90-degree rotation, characterized in that: The system includes a trolley chassis (1), with a guide rail (2) on the upper surface of the trolley chassis (1). A frame platform (3) is mounted on the guide rail (2). Two sets of active drive components (4) that travel along the guide rail (2) are connected to the front two sides of the frame platform (3). Two sets of passive drive components (5) that travel along the guide rail (2) are connected to the rear two sides of the frame platform (3). A main shaft (6) is located at the center of the trolley chassis (1). The center of the frame platform (3) is connected to the main shaft (6) and the active drive components (4) make the platform rotate around the center.

2. The rotating platform structure based on 90-degree rotation as described in claim 1, characterized in that: Each of the active drive components (4) includes a first flange bracket (41) connected to the frame platform (3), a motor base (47) connected to the end face of the first flange bracket (41), a servo motor (42) fixed to the outward end face of the motor base (47), a first sprocket (43) connected to the drive end of the servo motor (42), a rotating shaft (44) provided in the internal cavity of the motor base (47), a second sprocket (45) provided on the rotating shaft (44), the first sprocket (43) and the second sprocket (45) being connected by chain drive, and a drive wheel (46) also provided on the coaxial of the second sprocket (45).

3. The rotating platform structure based on 90-degree rotation as described in claim 1, characterized in that: The driven component (5) includes a second flange bracket (51) connected to the rear end of the frame platform (3). The end face of the second flange bracket (51) is connected to a wheel seat (52), and a driven wheel (53) is provided in the wheel seat (52) through a rotating shaft (44).

4. The rotating platform structure based on 90-degree rotation as described in claim 1, characterized in that: The chassis (1) of the trolley is provided with a bearing seat (7) at its center. The bearing seat (7) contains a bearing and a main shaft (6) is connected inside the bearing. The upper end face of the bearing seat (7) is a flange end face. Four sets of plug-in plates (8) are inserted into each other on the flange end face. A through square groove (9) is formed between the opposite plug-in plates (8). The square groove (9) is used to support and fix the frame platform (3).

5. The rotating platform structure based on 90-degree rotation as described in claim 1, characterized in that: The lower end face of the trolley chassis (1) is provided with a walking component (10) for driving the trolley chassis (1) to move.

6. The rotating platform structure based on 90-degree rotation as described in claim 1, characterized in that: Two sets of limiting devices (11) are also provided within the frame of the car chassis (1).

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