AGV driving device

Abstract

The utility model discloses an AGV driving device, and belongs to the technical field of AGV driving. The AGV driving device overcomes the defects that in the prior art, a motor and a speed reducer of a traditional AGV driving device are installed on a driving frame respectively, so that the driving frame is difficult to machine, precision is difficult to control, a clutch leaks outwards, impurities enter easily, and the service life is affected. The main body structure of the caster comprises a caster assembly and a power assembly in transmission connection with the caster assembly, the caster assembly comprises a caster frame, a driving shaft installed on the caster frame and a first caster installed on the driving shaft, and the power assembly comprises a motor, an adapter frame, a clutch installed in the adapter frame and a speed reducer in transmission connection with the driving shaft. The two ends of the adapter frame are connected with the motor and the speed reducer respectively, the motor is in transmission connection with one end of the clutch through a motor adapter shaft, and the other end of the clutch is in transmission connection with the speed reducer through a speed reducer shaft. The double-vehicle linkage AGV is mainly used for the double-vehicle linkage AGV.

Description

TECHNICAL FIELD

[0001] The utility model belongs to AGV drive technical field, concretely speaking, especially relate to a AGV drive device. BACKGROUND

[0002] AGV can travel along the prescribed guide path, is a kind of transport vehicle with safety protection and various transfer functions, in a double-car linkage AGV, load when rear vehicle needs to cut off power output, only rely on front drive, unload after needs to return to the online point by oneself.But the existing AGV drive has the following shortcomings:

[0003] 1, some rear vehicle adopts unpowered design, cannot return to the online point by oneself after unloading;2, driving wheel, clutch, speed reducer, motor are installed from left to right in turn, leading to the structure width direction is larger, therefore AGV needs to be wide, when sinking into the bottom of commercial vehicle, it cannot enter, leading to part of working condition cannot be used;3, driving wheel single-wheel drive, cannot meet larger load operation;4, motor and speed reducer are installed on driving frame, leading to driving frame processing difficulty, precision is difficult to control;5, the existing structure clutch is easy to enter impurities and affect service life;6, clutch is placed between driving wheel and speed reducer, motor output torque is amplified by speed reducer, so that the load of clutch is larger, leading to high price and large size.

[0004] The Chinese utility model patent with the authorized announcement number CN217022183U discloses a kind of cut-off power ultra-low AGV drive, it although has two driving wheels to increase the entire driving carrying capacity, can meet larger load operation, and speed reducer output shaft and driving wheel shaft are equipped with clutch, by controlling clutch closing and opening, the output and cut-off of entire driving power can be realized, power cut-off is complete;But it has the following disadvantages: driving wheel, clutch, speed reducer, motor are sequentially installed in order, leading to the structure width direction is larger, AGV width is larger, it is easy to lead to part of working condition cannot be used, and general-purpose property is poor;And driving frame processing difficulty, precision is difficult to control, simultaneously, clutch is placed between driving wheel and speed reducer, so that motor output torque is amplified by speed reducer, leading to the load of clutch is larger, so its size is large, and production cost is higher. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems of overcoming the deficiencies of prior art, and provides a kind of AGV drive device.

[0006] In order to achieve the above purpose, the utility model is implemented by the following technical scheme:

[0007] An AGV driving device, comprising a caster assembly and a power assembly in driving connection with the caster assembly, the caster assembly comprising a caster frame, a driving shaft mounted on the caster frame and a first caster mounted on the driving shaft, the power assembly comprising a motor, an adapter frame, a clutch mounted inside the adapter frame and a speed reducer in driving connection with the driving shaft, two ends of the adapter frame being connected with the motor and the speed reducer respectively, the motor being in driving connection with one end of the clutch through a motor adapter shaft, and the other end of the clutch being in driving connection with the speed reducer through a speed reducer shaft.

[0008] Preferably, the caster assembly further comprises a caster shaft mounted on the caster frame, a second caster being mounted on the caster shaft, and the caster shaft being arranged in parallel with the driving shaft.

[0009] Preferably, the caster shaft and the driving shaft are both rotatably connected with the caster frame through bearings.

[0010] Preferably, one side end of the caster shaft and the driving shaft is provided with a third stop block, and the two side end faces of the third stop block are pressed on the inner ring of the bearing.

[0011] Preferably, the other side end of the driving shaft is provided with a fourth stop block, and the two side end faces of the fourth stop block are pressed on the housing of the speed reducer.

[0012] Preferably, a first stop block is arranged on the driving shaft between the bearing and the first caster, and a second stop block is arranged on the caster shaft between the bearing and the second caster.

[0013] Preferably, the speed reducer is mounted on the outside of the caster frame through bolts.

[0014] Compared with the prior art, the AGV driving device has the following beneficial effects:

[0015] 1. By opening and closing the clutch, the connection between the motor and the speed reducer can be cut off, and then the kinetic energy output and input can be cut off, so that the kinetic energy control of the AGV driving device is realized.

[0016] 2. By making the width direction of the AGV driving device to be the minimum value, and by coaxial machining of the adapter frame, the coaxiality of the speed reducer and the motor is ensured, so that the kinetic energy transmission efficiency is ensured.

[0017] 3. The adapter frame wraps the clutch to prevent impurities from entering the inside of the clutch, so that the service life of the device is ensured.

[0018] 4. By arranging the clutch between the motor and the speed reducer, the clutch can be subjected to the minimum torque, so that the load of the clutch is reduced, and the cost and the volume are reduced.

[0019] 5. By one side of the first stop block and the second stop block being in contact with the bearing and the other side being in contact with the caster, the first caster and the second caster can be prevented from moving left and right, so that the running accuracy of the AGV is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 It is a internal structure schematic view of the utility model;

[0023] Figure 4 It is a structure schematic view of the driving shaft in the utility model.

[0024] In the drawing: 1, caster assembly; 2, power assembly; 3, caster frame; 4, first caster; 5, caster shaft; 6, third stop block; 7, bearing; 8, first stop block; 9, second caster; 10, driving shaft; 11, speed reducer; 12, speed reducer shaft; 13, clutch; 14, motor adapter shaft; 15, motor; 16, adapter frame; 17, second stop block; 18, fourth stop block; 101, thin shaft; 102, shoulder; 103, bearing shaft. DETAILED DESCRIPTION

[0025] The utility model will be further described below by specific embodiment and in conjunction with the drawings.

[0026] Example 1:

[0027] As Figures 1-3 shown, an AGV driving device, including caster assembly 1 and power assembly 2 with caster assembly 1 transmission connection, the caster assembly 1 includes caster frame 3, installs on caster frame 3 and drives the shaft 10 and installs on the first caster 4 of driving shaft 10, power assembly 2 includes motor 15, adapter frame 16, installs in clutch 13 of adapter frame 16 inside and with driving shaft 10 transmission connection's speed reducer 11, the both ends of adapter frame 16 are connected with motor 15 and speed reducer 11 respectively, and motor 15 is through motor adapter shaft 14 with the transmission connection of one end of clutch 13, the other end of clutch 13 is through speed reducer shaft 12 with the transmission connection of speed reducer 11.

[0028] In the embodiment, the width direction of the AGV driving device can be minimized, and through coaxial machining of the adapter frame 16, the speed reducer 11 and the motor 15 can be coaxial to ensure kinetic energy transmission efficiency, and the clutch 13 is wrapped by the adapter frame 16 to prevent impurities from entering the inside of the clutch 13, thereby ensuring the service life of the equipment.

[0029] Specifically, as Figure 4 shown, it is the structure schematic view of driving shaft 10, and driving shaft 10 is sequentially provided with thin shaft 101, shoulder 102 and bearing shaft 103, which are respectively connected with speed reducer 11, bearing 7 and first caster 4.

[0030] Embodiment 2:

[0031] An AGV driving device, which is different from that of embodiment 1, wherein the caster assembly 1 further comprises a caster shaft 5 mounted on the caster frame 3, and a second caster 9 is mounted on the caster shaft 5, and the caster shaft 5 is arranged in parallel with the driving shaft 10, and the two casters can increase the contact area and have stronger bearing capacity; at the same time, by arranging the parallel caster shaft 5 and the driving shaft 10 and equipping them with bearings 7 to ensure flexible rotation, it is helpful to uniformly distribute the load generated when the vehicle runs, thereby reducing wear and prolonging the service life of the components.

[0032] Further, the caster shaft 5 and the driving shaft 10 are both rotatably connected with the caster frame 3 through the bearings 7; one side end of the caster shaft 5 and the driving shaft 10 is provided with a third stop block 6, the center hole of the third stop block 6 is mounted on the caster shaft 5 and the driving shaft 10 through screws, and the two side end faces of the third stop block 6 are pressed on the inner rings of the bearings 7; the other side end of the driving shaft 10 is provided with a fourth stop block 18, the center hole of the fourth stop block 18 is mounted on the driving shaft 10 through screws, and the two side end faces of the fourth stop block 18 are pressed on the outer shell of the speed reducer 11; specifically, the driving shaft 10 passes through the speed reducer 11, and the driving shaft 10 is connected with the speed reducer 11 through the fourth stop block 18, and then the caster assembly 1 is connected with the power assembly 2.

[0033] Further, the first stop block 8 is arranged on the driving shaft 10 between the bearing 7 and the first caster 4, and the second stop block 17 is arranged on the caster shaft 5 between the bearing 7 and the second caster 9; one side of the first stop block 8 and the second stop block 17 is in contact with the bearing 7, and the other side is in contact with the caster, which can ensure that the first caster 4 and the second caster 9 do not move left and right, and ensure the running accuracy of the AGV.

[0034] Further, the speed reducer 11 is mounted on the outside of the caster frame 3 through bolts, which is convenient for installation and adjustment or replacement of the speed reducer 11, and improves the maintainability of the equipment.

[0035] The utility model discloses through control clutch 13 closes and opens, and can realize the output and cut of entire driving power, and two casters increase the whole driving bearing capacity, can satisfy larger load operation, and the motor 15, clutch 13, speed reducer 11 whole installation are installed through the setting adapter 16, reduce the processing difficulty of driving frame, improve assembly efficiency and precision.

[0036] Among them, through the opening and closing of the clutch 13, the connection between the motor 15 and the speed reducer 11 can be cut off, and then the kinetic energy output and input can be cut off, realizing the kinetic energy control of the utility model.

Claims

1. An AGV driving device, comprising a caster assembly (1) and a power assembly (2) in driving connection with the caster assembly (1), characterized in that: The caster assembly (1) comprises a caster frame (3), a driving shaft (10) mounted on the caster frame (3), and a first caster (4) mounted on the driving shaft (10), the power assembly (2) comprises a motor (15), a transfer frame (16), a clutch (13) mounted inside the transfer frame (16), and a speed reducer (11) in transmission connection with the driving shaft (10), both ends of the transfer frame (16) are connected with the motor (15) and the speed reducer (11) respectively, and the motor (15) is in transmission connection with one end of the clutch (13) through a motor transfer shaft (14), the other end of the clutch (13) is in transmission connection with the speed reducer (11) through a speed reducer shaft (12).

2. The AGV drive apparatus according to claim 1, characterized by: The caster assembly (1) further comprises a caster shaft (5) mounted on the caster frame (3), a second caster (9) is mounted on the caster shaft (5), and the caster shaft (5) is arranged in parallel with the driving shaft (10).

3. The AGV drive apparatus according to claim 2, characterized by: The caster shaft (5) and the driving shaft (10) are both in rotational connection with the caster frame (3) through bearings (7).

4. The AGV drive apparatus according to claim 3, characterized by: Third stop blocks (6) are mounted on one side end of the caster shaft (5) and the driving shaft (10) respectively, and both side end faces of the third stop blocks (6) are pressed on the inner rings of the bearings (7).

5. The AGV drive apparatus according to claim 4, characterized by: A fourth stop block (18) is mounted on the other side end of the driving shaft (10), and both side end faces of the fourth stop block (18) are pressed on the shell of the speed reducer (11).

6. The AGV drive apparatus according to any one of claims 3 to 5, characterized by: First stop blocks (8) are arranged on the driving shaft (10) between the bearings (7) and the first caster (4), and second stop blocks (17) are arranged on the caster shaft (5) between the bearings (7) and the second caster (9).

7. The AGV drive apparatus according to any one of claims 1 to 5, characterized by: The speed reducer (11) is mounted on the outside of the caster frame (3) through bolts.

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