Assembling AGV (Automatic Guided Vehicle) bearing electric lifting platform

Abstract

The utility model belongs to the technical field of transport vehicles, and particularly discloses an assembly AGV (Automatic Guided Vehicle) bearing an electric lifting platform, which comprises a vehicle body and the electric lifting platform, the electric lifting platform comprises a frame seat, a driving motor, a lead screw, a lead screw nut, a lead screw support push rod seat, a shear fork connecting rod and a support platform plate, and the driving motor is in transmission connection with the lead screw. The lead screw nut is fixedly connected with the supporting push rod base and is in threaded connection with the lead screw, the two ends of the lead screw supporting push rod base are connected to the scissor-fork connecting rods respectively, and the supporting platform plate is connected to the upper ends of the scissor-fork connecting rods. One side of the lower end of the shear fork connecting rod is hinged to the frame seat, and the other side of the lower end of the shear fork connecting rod is slidably connected to the supporting guide rail; the frame base is fixedly connected with an auxiliary supporting spring, and the supporting platform plate is operably connected to the auxiliary supporting spring in an abutting mode. The lifting platform is combined with the AGV trolley, so that objects can be conveniently borne and transported; the auxiliary supporting springs can provide buffering when the supporting platform plate descends.

Description

Technical Field

[0001] The utility model belongs to the technical field of transport vehicles, and in particular relates to an assembly AGV carrying an electric lifting platform. Background Art

[0002] Most of the existing assembly line operations use chain-type integrated production lines. From the starting station of the production line, the parts are hoisted onto a cart or forklift on the conveyor line and then transferred to the next station by manpower. Therefore, the production efficiency is low and there are certain safety hazards.

[0003] The Chinese utility model patent with patent announcement number CN217676617U provides a double-link electric scissor lift mechanism and an AGV vehicle, which includes a base, an upper cover, a scissor assembly, and a push rod assembly; the scissor assembly is installed between the base and the upper cover; the push rod assembly drives the scissor assembly to lift the upper cover relative to the base. The push rod assembly includes a motor, a lead screw, a nut, a first link, and a second link; the motor drives the lead screw to rotate, allowing the nut to move horizontally along the lead screw on the base; the lower end of the first link is hinged to the nut, the upper end of the first link is hinged to the lower end of the second link, and the upper end of the second link is hinged to the first fork arm or the second fork arm. The upper end of the second link is located on the fork arm between the midpoint O and the hinge point D; the motor output shaft points from the sliding side of the "X"-shaped frame to the hinge side. The AGV vehicle includes any of the above double-link electric scissor lift mechanisms. Although the load of the scissor assembly can be reduced, its stability needs to be improved. Utility Model Content

[0004] In view of the problem that the efficiency and stability of the lifting and transporting platform in the prior art need to be improved, an assembly AGV carrying an electric lifting platform is proposed. The utility model provides the following technical solutions:

[0005] An assembled AGV carrying an electric lifting platform comprises a vehicle body and an electric lifting platform, wherein the electric lifting platform comprises a frame seat, a driving motor, a lead screw, a lead screw nut, a lead screw support push rod seat, a scissors-type connecting rod and a support platform plate, wherein the driving motor is connected to the lead screw in a transmission manner, the lead screw nut is fixedly connected to the support push rod seat and is threadedly connected to the lead screw, both ends of the lead screw support push rod seat are respectively connected to the scissors-type connecting rod, and the support platform plate is connected to the upper end of the scissors-type connecting rod; a support guide rail is fixedly connected to the frame seat, one side of the lower end of the scissors-type connecting rod is hinged to the frame seat, and the other side is slidably connected to the support guide rail; an auxiliary support spring is fixedly connected to the frame seat, and the support platform plate can be operably abutted against the auxiliary support spring.

[0006] Preferably, the scissor-type connecting rod comprises an inner supporting arm and an outer supporting arm which are hinged to each other, a gear box push rod seat is arranged between the inner supporting arms on both sides, the gear box push rod seat is connected to the driving motor, and the screw support push rod seat and the screw support push rod seat are respectively hinged to the inner supporting arms through connecting rods to form a parallelogram connecting rod mechanism.

[0007] Preferably, the lower end of the inner support arm is slidably connected to the frame seat.

[0008] Preferably, an intermediate support rod is connected between the two inner support arms.

[0009] Preferably, four auxiliary support springs are arranged in a rectangular shape.

[0010] Preferably, the support platform plate is provided with a recess for accommodating irregular shapes of the loads.

[0011] Preferably, the vehicle body includes a front shield, a frame body and a rear shield, the electric lifting platform is fixedly connected to the frame body, and the frame body is installed with a driving system, a magnetic navigation system and a safety assurance system.

[0012] Preferably, the drive system is a six-wheel drive system, including two drive steering wheels and four universal wheels.

[0013] Preferably, the magnetic navigation system includes a ground magnetic stripe and a magnetic track navigation sensor for identifying the ground magnetic stripe.

[0014] Preferably, the safety assurance system comprises a rear obstacle avoidance sensor and a touch edge, wherein the rear obstacle avoidance sensor is mounted on the rear side of the vehicle frame, and the touch edge is mounted on the front and rear sides of the vehicle frame and extends out of the rear obstacle avoidance sensor.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Combining the lifting platform with the AGV trolley can conveniently carry and transport loads and improve production efficiency;

[0017] 2. The auxiliary support spring can provide buffering for the support platform when it descends, thus improving stability;

[0018] 3. A clearance groove is set on the middle side of the support platform plate to adapt to the irregular shape of the load. The protruding part of the load is placed in the clearance groove to improve the stability of the load during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the electric lifting platform of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the electric lifting platform of the utility model from another perspective;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the electric lifting platform of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the utility model from an oblique upper side perspective;

[0023] Figure 5 It is a schematic diagram of the bottom structure of the utility model;

[0024] In the accompanying drawings, 1. frame seat; 21. inner support arm; 22. outer support arm; 3. drive motor; 4. lead screw; 51. gear box push rod seat; 52. lead screw support push rod seat; 6. connecting rod; 7. auxiliary support spring; 8. support platform plate; 9. clearance groove; 10. lower slide rail; 11. upper slide rail; 12. lead screw nut; 13. middle support rod; 14. vehicle body; 15. front guard; 16. touch edge; 17. rear obstacle avoidance sensor; 18. rear guard; 19. magnetic navigation system; 191. ground magnetic strip; 192. magnetic track navigation sensor; 20. drive system; 201. drive steering wheel; 202. universal wheel; 203. shock-absorbing spring. DETAILED DESCRIPTION

[0025] The directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0026] like Figure 1-5 As shown, an assembled AGV carrying an electric lifting platform includes a vehicle body 14 and an electric lifting platform, wherein the electric lifting platform includes a frame seat 1, a driving motor 3, a lead screw 4, a lead screw nut 12, a lead screw support push rod seat 52, a scissors-type connecting rod and a support platform plate 8, wherein the driving motor 3 is connected to the lead screw for transmission, the lead screw nut 12 is fixedly connected to the support push rod seat and is threadedly connected to the lead screw, the two ends of the lead screw support push rod seat 52 are respectively connected to the scissors-type connecting rod, and the support platform plate 8 is connected to the upper end of the scissors-type connecting rod; a support guide rail is fixedly connected to the frame seat 1, one side of the lower end of the scissors-type connecting rod is hinged to the frame seat 1, and the other side is slidably connected to the support guide rail; an auxiliary support spring 7 is fixedly connected to the frame seat 1, and the support platform plate 8 can be operably abutted against the auxiliary support spring 7; combining the lifting platform with the AGV trolley can conveniently carry and transport loads; the auxiliary support spring 7 can provide buffering for the support platform plate 8 when it descends.

[0027] Specifically, a reducer is connected under the drive motor 3, and the scissor-type connecting rod includes an inner support arm 21 and an outer support arm 22 which are hinged to each other. The upper end of the outer support arm 22 is slidably connected to the support platform plate 8, and the lower end is hinged to the frame seat 1; a gear box push rod seat 51 is arranged between the inner support arms 21 on both sides, and the gear box push rod seat 51 is connected to the drive motor 3, and the screw support push rod seat 52 and the screw support push rod seat 52 are respectively hinged to the inner support arm 21 through the connecting rod 6 to form a parallelogram connecting rod mechanism.

[0028] Preferably, the lower end of the inner support arm 21 is fixedly connected to a lower slide seat, and the frame seat 1 is fixedly connected to a lower slide rail 10, and the lower slide seat is slidably connected to the lower slide rail 10, so that the lower end of the inner support arm 21 is slidably connected to the frame seat 1; the outer support arm 22 is fixedly connected to an upper slide seat, and the support platform plate 8 is fixedly connected to an upper slide rail 11, and the upper slide seat is slidably connected to the upper slide rail 11; an intermediate support rod 13 is connected between the two inner support arms 21 to improve the structural strength.

[0029] Preferably, four auxiliary support springs 7 are arranged in a rectangular shape, which has higher stability; when the support platform plate 8 falls to the lowest position, the auxiliary support spring 7 is compressed to play a buffering role; when the support platform plate 8 leaves the lowest position and rises, it plays a boosting role.

[0030] Specifically, the assembled AGV carrying the electric lifting platform is arranged symmetrically, and the support platform is arranged in the middle of the vehicle body 14. A clearance groove 9 is arranged on the middle side of the support platform plate 8, which can be used to adapt to the irregular shape of the load and place the protruding part of the load in the clearance groove 9.

[0031] Meanwhile, the vehicle body 14 includes a front shield 15, a vehicle frame and a rear shield 18, and the electric lifting platform is fixedly connected to the vehicle frame, on which a driving system 20, a magnetic navigation system 19 and a safety system are installed.

[0032] Specifically, the drive system 20 is a six-wheel drive system 20, including two drive steering wheels 201 and four universal wheels 202. The universal wheels 202 are equipped with shock-absorbing springs 203, which are conventional components and the specific installation structure will not be described in detail. The magnetic navigation system 19 includes a ground magnetic strip 191 and a magnetic track navigation sensor 192. The ground magnetic strip 191 can be identified by the magnetic track navigation sensor 192, thereby performing automatic driving. The safety assurance system includes a rear obstacle avoidance sensor 17 and a touch edge 16. The rear obstacle avoidance sensor 17 is installed on the rear side of the frame, and the touch edge 16 is installed on the front and rear sides of the frame and extends out of the rear obstacle avoidance sensor 17, which can provide protection for the rear obstacle avoidance sensor 17.

Claims

1. An assembly AGV carrying an electric lifting platform, characterized in that: The electric lifting platform comprises a vehicle body (14) and an electric lifting platform, wherein the electric lifting platform comprises a frame seat (1), a driving motor (3), a lead screw (4), a lead screw nut (12), a lead screw support push rod seat (52), a scissor-type connecting rod and a supporting platform plate (8), wherein the driving motor (3) is connected to the lead screw through a transmission connection, the lead screw nut (12) is fixedly connected to the support push rod seat and is threadedly connected to the lead screw, the two ends of the lead screw support push rod seat (52) are respectively connected to the scissor-type connecting rod, and the supporting platform plate (8) is connected to the upper end of the scissor-type connecting rod; a supporting guide rail is fixedly connected to the frame seat (1), one side of the lower end of the scissor-type connecting rod is hinged to the frame seat (1), and the other side is slidably connected to the supporting guide rail; an auxiliary supporting spring (7) is fixedly connected to the frame seat (1), and the supporting platform plate (8) can be operably abutted against the auxiliary supporting spring (7).

2. The assembly AGV carrying an electric lifting platform according to claim 1, characterized in that: The scissor-type connecting rod comprises an inner supporting arm (21) and an outer supporting arm (22) which are hinged to each other. A gearbox push rod seat (51) is provided between the inner supporting arms (21) on both sides. The gearbox push rod seat (51) is connected to the drive motor (3). The screw support push rod seat (52) and the screw support push rod seat (52) are respectively hinged to the inner supporting arm (21) via a connecting rod (6), thereby forming a parallelogram connecting rod mechanism.

3. The assembly AGV carrying an electric lifting platform according to claim 2, characterized in that: The lower end of the inner support arm (21) is slidably connected to the frame seat (1).

4. The assembly AGV carrying an electric lifting platform according to claim 2, characterized in that: An intermediate support rod (13) is connected between the two inner support arms (21).

5. The assembly AGV carrying an electric lifting platform according to claim 1, characterized in that: Four auxiliary support springs (7) are arranged in a rectangular shape.

6. The assembly AGV carrying an electric lifting platform according to claim 1, characterized in that: The support platform plate (8) is provided with a recess (9) for accommodating irregular shapes of the objects being carried.

7. The AGV for assembling an electric lifting platform according to any one of claims 1 to 6, characterized in that: The vehicle body (14) comprises a front shield (15), a vehicle frame and a rear shield (18); the electric lifting platform is fixedly connected to the vehicle frame; and a driving system (20), a magnetic navigation system (19) and a safety system are installed on the vehicle frame.

8. The assembly AGV carrying an electric lifting platform according to claim 7, characterized in that: The driving system (20) is a six-wheel driving system (20), comprising two driving steering wheels (201) and four universal wheels (202).

9. The assembly AGV carrying an electric lifting platform according to claim 7, characterized in that: The magnetic navigation system (19) comprises a ground magnetic stripe (191) and a magnetic track navigation sensor (192) for identifying the ground magnetic stripe (191).

10. The assembly AGV carrying an electric lifting platform according to claim 7, characterized in that: The safety assurance system comprises a rear obstacle avoidance sensor (17) and a touch edge (16), wherein the rear obstacle avoidance sensor (17) is mounted on the rear side of the vehicle frame, and the touch edge (16) is mounted on both the front and rear sides of the vehicle frame, and the touch edge (16) extends out of the rear obstacle avoidance sensor (17).

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