AGV jacking and rotating device

Abstract

The utility model discloses an AGV (Automatic Guided Vehicle) jacking and rotating device, which relates to the technical field of AGVs and comprises an electric push rod, an inner cylinder sleeve, an outer cylinder sleeve, a slewing bearing and a motor, an inner ring of the slewing bearing is fixedly connected with the fixing plate, the top end face of an outer ring of the slewing bearing is fixedly connected with the outer cylinder sleeve, the inner cylinder sleeve is connected with the outer cylinder sleeve in a sleeved mode, the bottom of the electric push rod is installed on the fixing plate, the piston end of the electric push rod is rotationally connected with the cylinder cover, and the cylinder cover is fixedly connected with the top of the inner cylinder sleeve through a screw. An output shaft of the motor is connected with a power gear which is in transmission connection with the slewing bearing; the inner cylinder sleeve and the outer cylinder sleeve are designed, and when the inner cylinder sleeve is jacked, the outer cylinder sleeve, the slewing bearing and the motor do not participate in jacking together, so that the jacking weight is greatly reduced, and the structure is optimized; through the arrangement of the convex groove, the inner cylinder sleeve can vertically move up and down along the outer groove when being jacked, and the motor drives the inner cylinder sleeve to rotate together through the convex groove when rotating.

Description

Technical Field

[0001] The utility model relates to the technical field of AGV vehicles, and more specifically to an AGV lifting and rotating device. Background Art

[0002] The traditional AGV pallet lifting device uses a hydraulic cylinder to lift the pallet, and then installs a rotating platform on the pallet. The rotating platform is set on the pallet, which is not only complicated in structure, but also increases the weight of the lifting.

[0003] For example, a Chinese patent (publication number: CN214270117U) discloses a natural navigation AGV trolley, including a lifting device, including a lifting plate, a DC brushless motor, an electric push rod, a rotating plate and a photoelectric sensor. The output end of the DC brushless motor passes through the lifting plate and is provided with a first gear. The output end of the electric push rod is connected to the middle of the bottom surface of the lifting plate through a hinge support seat. The four corners of the bottom surface of the lifting plate are respectively provided with guide shafts through guide shaft supports. The outer side of the guide shaft is sleeved with a linear bearing, which is fixedly connected to the frame; a step shaft is provided in the middle of the top surface of the lifting plate, and a second gear is sleeved on the step shaft so as to be relatively rotatable, and the second gear is meshed with the first gear. The rotating plate is fixed to the top surface of the second gear, and a sensor mask is fixed to the bottom surface of the second gear. The photoelectric sensor is arranged on the top surface of the lifting plate and is located on one side of the second gear and corresponds to the sensor mask.

[0004] In the above patent, the brushless DC motor, the first gear, the steering wheel drive device, and the rotating plate form a rotating platform and are installed on the jacking plate. The overall structure is complex and bulky, which increases the weight of the jacking, so it is necessary to optimize the structure. Utility Model Content

[0005] The purpose of the utility model is to solve the above technical problems and provide an AGV lifting and rotating device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] An AGV lifting and rotating device comprises an electric push rod, an inner cylinder sleeve, an outer cylinder sleeve, a slewing bearing and a motor; the inner ring of the slewing bearing is fixedly connected to a fixed plate, the top surface of the outer ring of the slewing bearing is fixedly connected to the outer cylinder sleeve, the inner cylinder sleeve and the outer cylinder sleeve are sleeve-connected, the bottom of the electric push rod is mounted on the fixed plate, the piston end of the electric push rod is rotatably connected to the cylinder cover, the cylinder cover is fixedly connected to the top of the inner cylinder sleeve by screws, the motor is mounted on the fixed plate, the motor output shaft is connected to a power gear, and the power gear is transmission-connected to the slewing bearing.

[0008] The outer circumference of the inner cylinder sleeve is provided with an outer groove, the inner circumference of the outer cylinder sleeve is provided with an inner groove, a convex groove is fastened in the inner groove, and the convex groove is slidably connected with the outer groove. The number of the outer groove and the inner groove is the same and at least two, the outer grooves are symmetrically distributed along the circumference of the inner cylinder sleeve, and the inner grooves are symmetrically distributed along the circumference of the outer cylinder sleeve. By providing the convex groove, the inner cylinder sleeve can move vertically up and down along the outer groove when it is lifted, and the inner cylinder sleeve is driven to rotate together through the convex groove when the motor rotates.

[0009] The electric push rod is rotatably connected to the cylinder head through a connector, which includes an outer fastening sleeve and an inner fastening bolt. The lower part of the inner wall of the outer fastening sleeve is fastened to the piston end of the electric push rod. The upper part of the inner wall of the outer fastening sleeve is provided with an inner thread and connected to the inner fastening bolt. The top of the inner fastening bolt is provided with a threaded hole. The cylinder head is provided with a through hole, and a cylindrical head bolt is provided in the through hole. The cylindrical head bolt is connected to the threaded hole, and the head of the cylindrical head bolt is provided in the through hole and rotatably connected to the through hole. The outer diameter of the inner fastening bolt is larger than the through hole, so that the electric push rod can lift the cylinder head.

[0010] Working principle: When the utility model is used, the fixed plate is installed on the AGV vehicle, and the top of the cylinder head is a loading platform for placing materials. A loading plate can be set according to the actual size. The loading plate is fixed to the cylinder head by screws. The loading plate is used to place materials. When lifting is required, the electric push rod works to drive the inner cylinder sleeve to rise. When rotation is required, the motor works to drive the power gear to rotate, and the outer cylinder sleeve and the inner cylinder sleeve are driven to rotate together through the slewing bearing to complete the rotation of the material. In addition, when the inner cylinder sleeve rises or falls, the air in the inner cylinder sleeve needs to flow with the outside air, which can be achieved by providing an air inlet on the cylinder head or designing an air inlet on the fixed plate to achieve air circulation.

[0011] The beneficial effects of the utility model are as follows:

[0012] In the utility model, the inner cylinder sleeve and the outer cylinder sleeve are designed so that when the inner cylinder sleeve is lifted, the outer cylinder sleeve, the slewing bearing and the motor are not involved in the lifting, which greatly reduces the weight of the lifting and optimizes the structure. By arranging the convex groove, the inner cylinder sleeve can move vertically up and down along the outer groove when it is lifted, and when the motor rotates, the inner cylinder sleeve is driven to rotate together through the convex groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional view of the utility model;

[0014] Figure 2 yes Figure 1 The structural view without the inner and outer cylinder sleeves;

[0015] Figure 3 yes Figure 1 Structural view without the cylinder head.

[0016] Figure numerals: 1. electric push rod; 2. inner cylinder sleeve; 3. outer cylinder sleeve; 4. slewing bearing; 5. fixing plate; 6. power gear; 7. outer groove; 8. inner groove; 9. convex groove; 10. connecting head; 11. outer fastening sleeve; 12. inner fastening bolt; 13. motor; 14. cylinder head; 15. through hole; 16. cylindrical head bolt; 17. threaded hole. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1

[0020] like Figures 1 to 3 As shown, this embodiment provides an AGV lifting and rotating device, including an electric push rod 1, an inner cylinder sleeve 2, an outer cylinder sleeve 3, a slewing bearing 4 and a motor 13; the inner ring of the slewing bearing 4 is fixedly connected to the fixed plate 5, the top end surface of the outer ring of the slewing bearing 4 is fixedly connected to the outer cylinder sleeve 3, the inner cylinder sleeve 2 and the outer cylinder sleeve 3 are sleeve-connected, the bottom of the electric push rod 1 is installed on the fixed plate 5, the piston end of the electric push rod 1 is rotatably connected to the cylinder cover 14, the cylinder cover 14 is fixedly connected to the top of the inner cylinder sleeve 2 by screws, the motor 13 is installed on the fixed plate 5, the output shaft of the motor 13 is connected to the power gear 6, and the power gear 6 is transmission-connected to the slewing bearing 4.

[0021] The outer circumference of the inner cylinder sleeve 2 is provided with an outer groove 7, and the inner circumference of the outer cylinder sleeve 3 is provided with an inner groove 8. A convex groove 9 is fastened in the inner groove 8, and the convex groove 9 cooperates and slides with the outer groove 7. The number of the outer grooves 7 and the inner grooves 8 is the same and at least two, and the outer grooves 7 are symmetrically distributed along the circumference of the inner cylinder sleeve 2, and the inner grooves 8 are symmetrically distributed along the circumference of the outer cylinder sleeve 3. By providing the convex grooves 9, the inner cylinder sleeve 2 can move vertically up and down along the outer grooves 7 when it is lifted, and when the motor 13 rotates, the inner cylinder sleeve 2 is driven to rotate together through the cooperation of the convex grooves 9 and the outer grooves 7.

[0022] The electric push rod 1 is rotatably connected to the cylinder head 14 through a connector 10. The connector 10 includes an outer fastening sleeve 11 and an inner fastening bolt 12. The lower part of the inner wall of the outer fastening sleeve 11 is fastened to the piston end of the electric push rod 1. The upper part of the inner wall of the outer fastening sleeve 11 is provided with an internal thread and connected to the inner fastening bolt 12. The top of the inner fastening bolt 12 is provided with a threaded hole 17. The cylinder head 14 is provided with a through hole 15. The through hole 15 is provided with a cylindrical head bolt 16. The cylindrical head bolt 16 is connected to the threaded hole 17. The head of the cylindrical head bolt 16 is arranged in the through hole 15 and is rotatably connected to the through hole. The outer diameter of the inner fastening bolt 12 is larger than the through hole 15, so that the electric push rod 1 can lift the cylinder head 14.

[0023] Working principle: When the utility model is used, the fixed plate 5 is installed on the AGV vehicle, and the top of the cylinder head 14 is a loading platform for placing materials. A loading plate can be set according to the actual size. The loading plate (not shown in the figure) is fixed to the cylinder head 14 by screws. The loading plate is used to place materials. When lifting is required, the electric push rod 1 works to drive the inner cylinder sleeve 2 to rise. When rotation is required, the motor 13 works to drive the power gear 6 to rotate, and drives the outer cylinder sleeve 3 and the inner cylinder sleeve 2 to rotate together through the slewing bearing 4 to complete the rotation of the material. In addition, when the inner cylinder sleeve 2 rises or falls, the air in the inner cylinder sleeve 2 needs to flow with the outside air, which can be achieved by providing an air inlet hole on the cylinder head 14 (not shown in the figure), or designing an air inlet hole on the fixed plate 5 to achieve air circulation.

Claims

1. An AGV lifting and rotating device, comprising an electric push rod, an inner cylinder sleeve, an outer cylinder sleeve, a slewing bearing and a motor; characterized in that: The inner ring of the slewing bearing is fixedly connected to the fixed plate, the top surface of the outer ring of the slewing bearing is fixedly connected to the outer cylinder sleeve, the inner cylinder sleeve and the outer cylinder sleeve are sleeve-connected, the bottom of the electric push rod is installed on the fixed plate, the piston end of the electric push rod is rotatably connected to the cylinder cover, the cylinder cover is fixedly connected to the top of the inner cylinder sleeve by screws, the motor is installed on the fixed plate, the motor output shaft is connected to the power gear, and the power gear is transmission-connected to the slewing bearing.

2. The AGV lifting and rotating device according to claim 1, characterized in that: An outer groove is arranged on the outer periphery of the inner cylinder sleeve, an inner groove is arranged on the inner periphery of the outer cylinder sleeve, a convex groove is fastened inside the inner groove, and the convex groove is slidably connected with the outer groove.

3. The AGV lifting and rotating device according to claim 1, characterized in that: The electric push rod and the cylinder head are rotatably connected via a connecting head, which includes an outer fastening sleeve and an inner fastening bolt. The lower part of the inner wall of the outer fastening sleeve is fastened to the piston end of the electric push rod, the upper part of the inner wall of the outer fastening sleeve is provided with an internal thread and is connected to the inner fastening bolt, a threaded hole is provided at the top of the inner fastening bolt, a through hole is provided on the cylinder head, a cylindrical head bolt is provided in the through hole, the cylindrical head bolt is connected to the threaded hole, and the head of the cylindrical head bolt is provided in the through hole and rotatably connected to the through hole.

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