Lifting mechanism of submarine AGV (Automatic Guided Vehicle)

Abstract

The lifting mechanism of the submarine AGV comprises a lifting top plate located above a mounting base, and a first lifting piece, a second lifting piece, a third lifting piece and a fourth lifting piece are arranged between the mounting base and the lifting top plate; the first lifting part is provided with a first upper extension handle, the first upper extension handle is connected with the lifting top plate through a first pin shaft, the first lifting part is provided with a first lower extension handle, the first lower extension handle is connected with a second upper extension handle of the second lifting part through a second pin shaft, and a second lower extension handle of the second lifting part is rotationally mounted on the mounting seat; the third lifting part is provided with a third upper extension handle, the third upper extension handle is connected with the lifting top plate through a third pin shaft, the third lifting part is provided with a third lower extension handle, the third lower extension handle is connected with a fourth upper extension handle of the fourth lifting part through a fourth pin shaft, and a fourth lower extension handle of the fourth lifting part is rotationally mounted on the mounting seat; a second crank is arranged between the end part of the second pin shaft and the end part of the fourth pin shaft; a first crank used for pulling the fourth pin shaft to move transversely is arranged at one end of the fourth pin shaft.

Description

Technical Field

[0001] The utility model belongs to the field of AGV trolleys, in particular to a lifting mechanism of a latent AGV. Background Art

[0002] A submersible AGV (Submersible Lifting Vehicle) is a type of AGV widely used in e-commerce and production line automation. Submersible lift AGVs are typically low-profile and can sneak beneath material racks, lift them, and then transport them and their cargo to designated delivery points.

[0003] In the existing AGV parking technology, common AGV lifting mechanisms include worm gear type, hydraulic push rod type and gear transmission type. The structure of these lifting mechanisms is relatively complex, the installation and commissioning cycle is long, and the construction cost and maintenance cost are high. A new lifting mechanism with a simple structure, longer service life and low cost is needed. Summary of the Invention

[0004] In response to the above-mentioned technical problems, the present invention provides a lifting mechanism for a latent AGV, which can realize the raising and lowering of the lifting top plate and improve the working stability and service life.

[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a lifting mechanism of a latent AGV, including a lifting top plate located above a mounting seat, a first lifting member, a second lifting member, a third lifting member, and a fourth lifting member are provided between the mounting seat and the lifting top plate; the first lifting member has a first upper extending handle, the first upper extending handle is connected to the lifting top plate through a first pin shaft, the first lifting member has a first lower extending handle, the first lower extending handle is connected to the second upper extending handle of the second lifting member through a second pin shaft, and the second lower extending handle of the second lifting member is rotatably mounted on the mounting seat; the third lifting member has a third upper extending handle, the third upper extending handle is connected to the lifting top plate through a third pin shaft, the third lifting member has a third lower extending handle, the third lower extending handle is connected to the fourth upper extending handle of the fourth lifting member through a fourth pin shaft, and the fourth lower extending handle of the fourth lifting member is rotatably mounted on the mounting seat; a second crank is provided between the end of the second pin shaft and the end of the fourth pin shaft; one end of the fourth pin shaft is provided with a first crank for pulling the fourth pin shaft for lateral movement.

[0006] In order to optimize the above technical solution, the present invention also includes the following improved technical solution.

[0007] The first crank is connected to the transmission crank, and a lifting motor for driving the transmission crank to swing is provided on the mounting seat.

[0008] The above-mentioned lifting motor is installed on the mounting base through the lifting motor mounting frame. The driving shaft of the lifting motor is provided with a lifting active wheel, and a lifting passive wheel is provided below the lifting active wheel. The synchronous belt is set on the outside of the lifting active wheel and the lifting passive wheel; the lifting passive wheel is installed on the transmission shaft, and the other end of the transmission shaft is connected to the transmission crank through the lifting reducer, and the transmission crank has a connecting rod that rotates with the first crank.

[0009] A third crank is provided at the end of the first pin shaft or the third pin shaft, one end of the third crank is connected to the first pin shaft or the third pin shaft, and the other end of the third crank is connected to the casing.

[0010] The above-mentioned lifting top plate is provided with a rotating mechanism; the rotating mechanism includes a rotating drive motor installed on one side of the lifting top plate, the driving shaft of the rotating drive motor is connected to the rotating gear, the lifting top plate is provided with a rotating gear disk meshing with the rotating gear, and the rotating gear disk is provided with a mounting support plate.

[0011] Compared with the prior art, the lifting mechanism of the latent AGV of the present invention drives the second crank to move by the first crank, controls the opening or folding of the first lifting member, the second lifting member, the third lifting member and the fourth lifting member, thereby realizing the raising and lowering of the lifting top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic exploded view of the three-dimensional structure of this embodiment.

[0013] Figure 2 It is a side view of this embodiment.

[0014] Figure 3 This is the front view of the latent AGV.

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure explosion of the latent AGV rotating mechanism. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

[0017] Figures 1 to 4 Shown is a schematic structural diagram of the present utility model.

[0018] The accompanying drawings are marked as follows: mounting base 1, lifting motor 2, lifting motor mounting frame 3, lifting active wheel 4, lifting passive wheel 5, synchronous belt 6, transmission shaft 7, lifting reducer 8, transmission crank 9, connecting rod 9a, lifting top plate 10, first lifting member 11, second lifting member 12, third lifting member 13, fourth lifting member 14, first pin 15, second pin 16, third pin 17, fourth pin 18, first crank 19, second crank 20, third crank 21, rotary drive motor 22, rotary reducer 23, rotary gear 24, rotary gear disc 25, mounting support plate 26, gasket 27.

[0019] like Figure 1 As shown, the lifting mechanism of the latent AGV of the present invention includes a lifting motor 2, a transmission crank 9, a lifting top plate 10, a first lifting member 11, a second lifting member 12, a third lifting member 13, a fourth lifting member 14, and a second crank 20. The lifting motor 2 drives the transmission crank 9 to rotate, and the transmission crank 9 pulls the second crank 20 to control the first lifting member 11 and the second lifting member 12, the third lifting member 13 and the fourth lifting member 14 to open or fold, thereby realizing the rising and falling of the lifting top plate 10.

[0020] The lifting motor 2 is fixed to the mounting base 1 via the lifting motor mounting bracket 3. The driving rod of the lifting motor 2 is connected to the lifting driving wheel 4. Below the lifting driving wheel 4 is a lifting driven wheel 5. A synchronous belt 6 is installed outside the lifting driving wheel 4 and the lifting driven wheel 5. The lifting driven wheel 5 is mounted on one end of a transmission shaft 7. The other end of the transmission shaft 7 is connected to the input shaft of the lifting speed reducer 8. The output shaft of the lifting speed reducer 8 is connected to the transmission crank 9, which has a connecting rod 9a extending forward.

[0021] The lifting motor 2 drives the synchronous belt 6 to rotate, the synchronous belt 6 drives the lifting driven wheel 5 to rotate, the transmission shaft 7 rotates following the lifting driven wheel 5, the input shaft of the lifting reducer 8 rotates synchronously with the transmission shaft 7, and the output shaft of the lifting reducer 8 drives the transmission crank 9 to swing.

[0022] A lifting top plate 10 is provided above the mounting base 1. A first lifting member 11, a second lifting member 12, a third lifting member 13, and a fourth lifting member 14 are provided between the lifting top plate 10 and the mounting base 1. A first pin 15, a second pin 16, a third pin 17, and a fourth pin 18 are provided on the first lifting member 11, the second lifting member 12, the third lifting member 13, and the fourth lifting member 14, respectively.

[0023] The first lifting member 11 has a first upper extending handle, which is connected to the lifting top plate 10 through a first pin shaft 15. The first lifting member 11 has a first lower extending handle, which is connected to the second upper extending handle of the second lifting member 12 through a second pin shaft 16. The second lower extending handle of the second lifting member 12 is rotatably mounted on the mounting base 1.

[0024] The third lifting member 13 has a third upper extension handle, which is connected to the lifting top plate 10 through a third pin shaft 17. The third lifting member 13 has a third lower extension handle, which is connected to the fourth upper extension handle of the fourth lifting member 14 through a fourth pin shaft 18. The fourth lower extension handle of the fourth lifting member 14 is rotatably mounted on the mounting base 1.

[0025] A second crank 20 is provided between the end of the second pin 16 and the end of the fourth pin 18. The head end of the second crank 20 is connected to the second pin 16, and the tail end of the second crank 20 is connected to the fourth pin 18.

[0026] One end of the fourth pin shaft 18 is provided with a first crank 19 connected to the transmission crank 9 , one end of the first crank 19 is rotatably connected to the connecting rod 9 a on the transmission crank 9 , and the other end of the first crank 19 is rotatably connected to the fourth pin shaft 18 .

[0027] The two ends of the first pin 15 are respectively provided with a third crank 21 connected to the mounting base 1. One end of the third crank 21 is rotatably connected to the first pin 15, and the other end of the third crank 21 is rotatably connected to the mounting base 1.

[0028] In the initial state, the first lifting member 11 and the second lifting member 12 rotate around the second pin 16 and then fold, and the third lifting member 13 and the fourth lifting member 14 rotate around the fourth pin 18 and then fold. Figure 2 As shown, the lifting motor 2 drives the transmission crank 9 to swing, the transmission crank 9 drives the first crank 19 to move to the right, the first crank 19 drives the second crank 20 to move to the right, the second crank 20 pulls the second pin 16 and the fourth pin 18 to move synchronously to the right, the second pin 16 pulls the first lifting member 11 and the second lifting member 12 to open, the fourth pin 18 pulls the third lifting member 13 and the fourth lifting member 14 to open, thereby pushing the lifting top plate 10 to move upward.

[0029] like Figure 3 As shown, a rotating mechanism is installed on the lifting top plate 10 of the present invention. The rotating mechanism includes a rotating drive motor 22 and a rotating gear disc 25 installed on the lifting top plate 10, a rotating gear 24 connected to the rotating drive motor 22, and a mounting support plate 26 installed on the rotating gear disc 25.

[0030] A rotary drive motor 22 is provided on one side of the lifting top plate 10. The drive shaft of the rotary drive motor 22 is connected to the rotary reducer 23, and the drive shaft of the rotary reducer 23 is connected to the rotary gear 24. A rotary gear disc 25 is installed on the lifting top plate 10, and the rack on the outside of the rotary gear disc 25 is engaged with the rotary gear 24. When the rotary drive motor 22 drives the rotary gear 24 to rotate, the rotary gear 24 drives the rotary gear disc 25 to rotate. A mounting bracket 26 is provided on the rotary gear disc 25, and the mounting bracket 26 is mounted on the rotary gear disc 25 through a gasket 27. When the rotary gear disc 25 rotates, the mounting bracket 26 rotates synchronously with the rotary gear disc 25. The lifting and lowering actions and the rotating actions of the lifting mechanism can work without interfering with each other, and the efficiency can be improved by working at the same time. They can also work in sequence as needed.

[0031] The best embodiment of the present invention has been described, and various changes or modifications made by ordinary technicians in this field will not depart from the scope of the present invention.

Claims

1. A lifting mechanism for a latent AGV, comprising a lifting top plate (10) located above a mounting seat (1), characterized in that: A first lifting member (11), a second lifting member (12), a third lifting member (13), and a fourth lifting member (14) are provided between the mounting seat (1) and the lifting top plate (10); the first lifting member (11) has a first upper extension handle, which is connected to the lifting top plate (10) via a first pin shaft (15); the first lifting member (11) has a first lower extension handle, which is connected to the second upper extension handle of the second lifting member (12) via a second pin shaft (16); the second lower extension handle of the second lifting member (12) is rotatably mounted on the mounting seat (1); the third lifting member ( 13) has a third upper extension handle, which is connected to the lifting top plate (10) through a third pin shaft (17); the third lifting member (13) has a third lower extension handle, which is connected to the fourth upper extension handle of the fourth lifting member (14) through a fourth pin shaft (18); the fourth lower extension handle of the fourth lifting member (14) is rotatably mounted on the mounting seat (1); a second crank (20) is provided between the end of the second pin shaft (16) and the end of the fourth pin shaft (18); and a first crank (19) is provided at one end of the fourth pin shaft (18) for pulling the fourth pin shaft (18) to move horizontally.

2. The lifting mechanism according to claim 1, wherein: The first crank (19) is connected to the transmission crank (9), and the mounting seat (1) is provided with a lifting motor (2) for driving the transmission crank (9) to swing.

3. The lifting mechanism according to claim 2, wherein: The lifting motor (2) is mounted on the mounting seat (1) via a lifting motor mounting frame (3); a driving shaft of the lifting motor (2) is provided with a lifting driving wheel (4); a lifting passive wheel (5) is provided below the lifting driving wheel (4); a synchronous belt (6) is sleeved on the outside of the lifting driving wheel (4) and the lifting passive wheel (5); the lifting passive wheel (5) is mounted on a transmission shaft (7); the other end of the transmission shaft (7) is connected to a transmission crank (9) via a lifting reducer (8); and the transmission crank (9) is provided with a connecting rod (9a) that is rotatably matched with a first crank (19).

4. The lifting mechanism according to claim 3, wherein: A third crank (21) is provided at the end of the first pin shaft (15) or the third pin shaft (17), one end of the third crank (21) is connected to the first pin shaft (15) or the third pin shaft (17), and the other end of the third crank (21) is connected to the casing.

5. The lifting mechanism according to claim 4, characterized in that: The lifting top plate (10) is provided with a rotating mechanism; the rotating mechanism comprises a rotating drive motor (22) installed on one side of the lifting top plate (10); a driving shaft of the rotating drive motor (22) is connected to a rotating gear (24); a rotating toothed disc (25) meshing with the rotating gear (24) is provided on the lifting top plate (10); and a mounting support plate (26) is provided on the rotating toothed disc (25).

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