Jacking mechanism of AGV (Automatic Guided Vehicle)

Abstract

The utility model discloses an AGV trolley jacking mechanism which comprises a jacking bottom plate, a first shaft seat is arranged on one side of the top end of the jacking bottom plate, a second shaft seat is arranged on the other side of the top end of the jacking bottom plate, second fixing seats are arranged at the top ends of the jacking bottom plate on the two sides of the second shaft seat, and first fixing seats are arranged at the top ends of the jacking bottom plate on the two sides of the first shaft seat. A first rotary driving part is mounted on the outer wall of the first shaft seat, one end of the first rotary driving part penetrates through the first shaft seat and is provided with a jacking driving gear, and a driven gear is arranged on one side of the jacking driving gear; and first jacking gears are rotationally mounted on the inner wall of the first shaft seat on the side, away from the jacking driving gear, of the driven gear and the inner wall of the first shaft seat on the side, away from the jacking driving gear, of the driven gear. According to the lifting device, the purpose of stably lifting the jacking upper plate is achieved, the purpose of limiting the lifting amplitude of the jacking upper plate is achieved, and the purpose of easily adjusting the horizontal angle of an object above the gear table is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automated material handling, in particular to a lifting mechanism of an AGV trolley. Background Art

[0002] With the continuous development of automation technology, AGVs are increasingly used in logistics, warehousing and other fields. As an important component of AGVs, the performance of the lifting mechanism directly affects the material handling efficiency and safety of the vehicle. Traditional lifting mechanisms often have problems such as complex structure, inconvenient operation, and poor stability, which makes it difficult to meet the modern industrial automation requirements for efficiency, precision and safety.

[0003] The reference announcement number is CN21859446OU, which is a lifting mechanism of an AGV trolley. It includes a trolley body and a lifting plate arranged above the trolley body. A lifting assembly is provided between the trolley body and the lifting plate. The upper surface of the lifting plate is symmetrically provided with mounting plates. A number of rollers are rotatably connected between the mounting plates. The rollers are provided with sprockets corresponding to each other. A first motor is provided on one side of the mounting plate to drive the rollers to rotate, which solves the problem that the lifting mechanism of the traditional AGV trolley cannot transport goods to the conveyor belt and is inconvenient to use. According to the above, although the lifting mechanism can be well applied, multiple lifting drive parts are usually used to drive the lifting plate to lift and lower, which makes the manufacturing cost of the lifting mechanism high and not easy to lift and lower smoothly, and needs to be improved. Utility Model Content

[0004] The purpose of the present utility model is to provide a lifting mechanism for an AGV trolley to solve the problem in the above background technology that although the lifting mechanism can be well applied, multiple lifting drive parts are usually used to drive the lifting plate to lift, which makes the manufacturing cost of the lifting mechanism high and not easy to lift smoothly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting mechanism of an AGV trolley, comprising a lifting base plate, a first axle seat is provided on one side of the top of the lifting base plate, a second axle seat is provided on the other side of the top of the lifting base plate, a second fixed seat is provided on the top of the lifting base plate on both sides of the second axle seat, a first fixed seat is provided on the top of the lifting base plate on both sides of the first axle seat, a first rotating drive member is installed on the outer wall of the first axle seat, one end of the first rotating drive member passes through the first axle seat and is provided with a lifting drive gear, a driven gear is provided on one side of the lifting drive gear, the driven gear and the lifting drive gear are meshed with each other, and the lifting drive gear is away from the driven gear The first jacking gear is rotatably installed on the inner wall of the first shaft seat on the side of the wheel and the driven gear away from the jacking drive gear. The two first jacking gears are respectively meshed with the jacking drive gear and the driven gear. A rotating shaft is provided on the inner wall of the first jacking gear. A second jacking gear is provided on the end of the rotating shaft away from the first jacking gear. The outer wall of the second jacking gear away from the rotating shaft is rotatably connected to the inner wall of the second shaft seat. The second fixed seat and the inner wall of the first fixed seat are both provided with linear guides. The inner side of the linear guide is slidably connected with a rack, and the rack is respectively meshed with the first jacking gear and the second jacking gear, and the top of several of the racks is provided with a lifting upper plate.

[0006] Preferably, a driven wheel fixing shaft is fixed at the center position inside the driven gear, one end of the driven wheel fixing shaft extends to the outside of the driven gear and is rotatably connected to the inner wall of the first shaft seat, and the other end of the driven wheel fixing shaft extends to the outside of the driven gear and is provided with a cover plate. The driven wheel fixing shaft is set so that the driven gear can be placed.

[0007] Preferably, the top end of the lifting upper plate is movably connected to a gear platform, and a component placement seat is provided on an outer wall of one side of the lifting upper plate, so that the second rotary drive component can be placed.

[0008] Preferably, two limit seats are provided below the gear platform, and the top ends of the limit seats touch the bottom ends of the gear platform. The limit seats are provided to limit the downward movement of the gear platform.

[0009] Preferably, a horizontal adjustment gear is rotatably mounted on the top of the component placement seat, and the horizontal adjustment gear is engaged with the gear platform. The horizontal adjustment gear and the gear platform are engaged with each other, so that when the horizontal adjustment gear rotates, the gear platform is driven to rotate.

[0010] Preferably, a second rotary driving member is installed at the bottom end of the component placement seat, one end of the second rotary driving member is connected to the bottom end of the horizontal adjustment gear, and the second rotary driving member is provided to drive the horizontal adjustment gear to rotate.

[0011] Preferably, support seats are provided on both sides of the bottom end of the limiting seat, and the end of the support seat away from the limiting seat is connected to the outer walls of the first fixing seat and the second fixing seat respectively. The setting of the support seat can facilitate the placement of the limiting seat.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the lifting mechanism of the AGV trolley can not only effectively reduce the manufacturing cost of the lifting mechanism, and achieve the purpose of smoothly lifting and lowering the lifting upper plate, but also achieve the purpose of limiting the lifting range of the lifting upper plate, and achieve the purpose of easily adjusting the horizontal angle of the object above the gear table;

[0013] (1) The jacking drive gear is driven to rotate by the first rotating drive member. Since the jacking drive gear is meshed with the driven gear and a first jacking gear, and the driven gear is meshed with another first jacking gear, the jacking drive gear cooperates with the driven gear to drive the two first jacking gears to rotate, and the first jacking gear drives the second jacking gear to rotate synchronously via the rotating shaft. Since the first jacking gear and the second jacking gear are both meshed with the rack, the rotating first jacking gear and the second jacking gear drive the rack to slide on the inner side of the linear guide rail, so that the four racks are driven by the four corners to lift the jacking upper plate, thereby effectively reducing the manufacturing cost of the jacking mechanism and achieving the purpose of smoothly lifting the jacking upper plate;

[0014] (2) Two limit seats are set on both sides of the jacking upper plate through the support seat. When the bottom end of the gear stage contacts the upper surface of the limit seat, it means that the jacking upper plate has moved down to the lowest horizontal plane, and a limit protrusion is set at the lower end of the rack. When the limit protrusion contacts the bottom of the linear guide rail, it means that the jacking upper plate has moved up to the highest horizontal plane, thereby achieving the purpose of limiting the lifting range of the jacking upper plate;

[0015] (3) The horizontal adjustment gear is driven to rotate by the second rotating drive member. Since the horizontal adjustment gear and the gear table are engaged with each other, the horizontal adjustment gear drives the gear table located at the top of the jacking upper plate to rotate, thereby achieving the purpose of easily adjusting the horizontal angle of the object above the gear table. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the top view of the structure of the utility model;

[0017] Figure 2 This is a side view structural diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 4This is a side structural diagram of the first axle seat of the utility model.

[0020] In the figure: 1. Lifting base plate; 2. First fixed seat; 3. Second fixed seat; 4. Linear guide; 5. Rack; 6. First shaft seat; 7. Second shaft seat; 8. Rotating shaft; 9. First lifting gear; 10. Lifting drive gear; 11. Driven gear; 12. Driven wheel fixing shaft; 13. Cover plate; 14. Lifting upper plate; 15. First rotating drive member; 16. Gear table; 17. Parts holder; 18. Second rotating drive member; 19. Horizontal adjustment gear; 20. Limit seat; 21. Support seat; 22. Second lifting gear. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides an embodiment of a lifting mechanism of an AGV trolley, comprising a lifting base plate 1, a first axle seat 6 is provided on one side of the top of the lifting base plate 1, a second axle seat 7 is provided on the other side of the top of the lifting base plate 1, a second fixed seat 3 is provided on the top of the lifting base plate 1 on both sides of the second axle seat 7, a first fixed seat 2 is provided on the top of the lifting base plate 1 on both sides of the first axle seat 6, a first rotating driving member 15 is installed on the outer wall of the first axle seat 6, one end of the first rotating driving member 15 passes through the first axle seat 6 and is provided with a lifting driving gear 10, a driven gear 11 is provided on one side of the lifting driving gear 10, the driven gear 11 and the lifting driving gear 10 are meshed with each other, a driven wheel fixing shaft 12 is fixed at the center position inside the driven gear 11, one end of the driven wheel fixing shaft 12 extends to the outside of the driven gear 11 and is rotatably connected to the inner wall of the first axle seat 6, and the other end of the driven wheel fixing shaft 12 extends to the outside of the driven gear 11 and is provided with a cover plate 13;

[0023] When in use, the driven wheel fixing shaft 12 is provided so as to place the driven gear 11;

[0024] The first jacking gear 9 is rotatably installed on the inner wall of the first shaft seat 6 on the side where the jacking driving gear 10 is away from the driven gear 11 and the driven gear 11 is away from the jacking driving gear 10. The two first jacking gears 9 are respectively meshed with the jacking driving gear 10 and the driven gear 11. A rotating shaft 8 is provided on the inner wall of the first jacking gear 9. A second jacking gear 22 is provided on the end of the rotating shaft 8 away from the first jacking gear 9. The outer wall of the second jacking gear 22 away from the rotating shaft 8 is rotatably connected to the inner wall of the second shaft seat 7. A linear guide rail 4 is provided on the inner wall of the second fixed seat 3 and the first fixed seat 2. A rack 5 is slidably connected to the inner side of the linear guide rail 4. The rack 5 is respectively meshed with the first jacking gear 9 and the second jacking gear 22. A jacking upper plate 14 is provided on the top of the several racks 5. The gear table 16 is movably connected to the top of the jacking upper plate 14. A mounting seat 17 is provided on the outer wall of one side of the jacking upper plate 14.

[0025] When in use, the placement seat 17 is provided to facilitate placement of the second rotary drive member 18;

[0026] Two limit seats 20 are provided below the gear platform 16, and the top ends of the limit seats 20 touch the bottom ends of the gear platform 16;

[0027] When in use, the limit seat 20 is provided to limit the downward movement of the gear stage 16;

[0028] A horizontal adjustment gear 19 is rotatably mounted on the top of the mounting base 17, and the horizontal adjustment gear 19 is meshed with the gear stage 16;

[0029] When in use, the horizontal adjustment gear 19 and the gear stage 16 are meshed with each other, so that when the horizontal adjustment gear 19 rotates, the gear stage 16 is driven to rotate;

[0030] A second rotary drive member 18 is mounted on the bottom end of the mounting base 17 , and one end of the second rotary drive member 18 is connected to the bottom end of the horizontal adjustment gear 19 ;

[0031] When in use, the second rotary driving member 18 is arranged to drive the horizontal adjustment gear 19 to rotate;

[0032] Support bases 21 are provided on both sides of the bottom end of the limiting base 20. The ends of the support bases 21 away from the limiting base 20 are connected to the outer walls of the first fixing base 2 and the second fixing base 3 respectively.

[0033] When in use, the support seat 21 is provided so as to place the limiting seat 20 .

[0034] When the embodiment of the present application is in use, the first rotating drive member 15 is used to drive the jacking drive gear 10 to rotate, so that the jacking drive gear 10 cooperates with the driven gear 11 to drive the two first jacking gears 9 to rotate, and the first jacking gear 9 drives the second jacking gear 22 to rotate synchronously via the rotating shaft 8. Because the first jacking gear 9 and the second jacking gear 22 are both engaged with the rack 5, so that the first jacking gear 9 and the second jacking gear 22 drive the rack 5 to slide on the inner side of the linear guide 4, the four racks 5 can drive the jacking upper plate 14 to be lifted and lowered smoothly. When the platform and the object are placed on the top of the gear table 16, the height of the platform object above the gear table 16 can be adjusted, and then the two limit The seats 20 are arranged on both sides of the jacking upper plate 14. When the bottom end of the gear platform 16 contacts the upper surface of the limit seat 20, it means that the jacking upper plate 14 has moved down to the lowest horizontal plane, and the lower end of the rack 5 is provided with a limiting protrusion. When the limiting protrusion contacts the bottom of the linear guide 4, it means that the jacking upper plate 14 has moved up to the highest horizontal plane, so as to limit the lifting amplitude of the jacking upper plate 14 and reduce the phenomenon of the rack 5 being separated from the inner side of the linear guide 4. Finally, the horizontal adjustment gear 19 is driven to rotate by the second rotary drive member 18, so that the horizontal adjustment gear 19 drives the gear platform 16 located at the top of the jacking upper plate 14 to rotate, so as to easily adjust the horizontal angle of the object above the gear platform 16, thereby completing the use of the jacking mechanism.

Claims

1. A lifting mechanism for an AGV, characterized by: The invention comprises a lifting base plate (1), wherein a first shaft seat (6) is provided on one side of the top of the lifting base plate (1), a second shaft seat (7) is provided on the other side of the top of the lifting base plate (1), a second fixed seat (3) is provided on the top of the lifting base plate (1) on both sides of the second shaft seat (7), a first fixed seat (2) is provided on the top of the lifting base plate (1) on both sides of the first shaft seat (6), a first rotating driving member (15) is installed on the outer wall of the first shaft seat (6), one end of the first rotating driving member (15) passes through the first shaft seat (6) and is provided with a lifting driving gear (10), a driven gear (11) is provided on one side of the lifting driving gear (10), the driven gear (11) and the lifting driving gear (10) are meshed with each other, the lifting driving gear (10) is away from the driven gear (11) and the driven gear (11) is away from the lifting driving gear (10) ) on the inner wall of the first shaft seat (6) on one side thereof, a first lifting gear (9) is rotatably mounted, and the two first lifting gears (9) are respectively engaged with the lifting drive gear (10) and the driven gear (11), a rotating shaft (8) is provided on the inner wall of the first lifting gear (9), and a second lifting gear (22) is provided on the end of the rotating shaft (8) away from the first lifting gear (9), and the outer wall of the second lifting gear (22) away from the rotating shaft (8) is rotatably connected to the inner wall of the second shaft seat (7), and a linear guide rail (4) is provided on the inner wall of the second fixed seat (3) and the first fixed seat (2), and a rack (5) is slidably connected to the inner side of the linear guide rail (4), and the rack (5) is respectively engaged with the first lifting gear (9) and the second lifting gear (22), and a plurality of the racks (5) are provided with a lifting upper plate (14) at the top.

2. The AGV lifting mechanism according to claim 1, characterized in that: A driven wheel fixing shaft (12) is fixed at a central position inside the driven gear (11), one end of the driven wheel fixing shaft (12) extends to the outside of the driven gear (11) and is rotatably connected to the inner wall of the first shaft seat (6), and the other end of the driven wheel fixing shaft (12) extends to the outside of the driven gear (11) and is provided with a cover plate (13).

3. The AGV lifting mechanism according to claim 1, characterized in that: The top end of the lifting upper plate (14) is movably connected to a gear platform (16), and a component placement seat (17) is provided on the outer wall of one side of the lifting upper plate (14).

4. The lifting mechanism of an AGV according to claim 3, characterized in that: Two limiting seats (20) are provided below the gear platform (16), and the top ends of the limiting seats (20) touch the bottom ends of the gear platform (16).

5. The AGV lifting mechanism according to claim 3, characterized in that: A horizontal adjustment gear (19) is rotatably mounted on the top end of the component placement seat (17), and the horizontal adjustment gear (19) is meshed with the gear stand (16).

6. The AGV lifting mechanism according to claim 5, characterized in that: A second rotary driving member (18) is installed at the bottom end of the component placement seat (17), and one end of the second rotary driving member (18) is connected to the bottom end of the horizontal adjustment gear (19).

7. The AGV lifting mechanism according to claim 4, characterized in that: Support seats (21) are provided on both sides of the bottom end of the limiting seat (20), and one end of the supporting seat (21) away from the limiting seat (20) is connected to the outer wall of the first fixing seat (2) and the outer wall of the second fixing seat (3).

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