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CN-224204929-U - AGV driving wheel

CN224204929UCN 224204929 UCN224204929 UCN 224204929UCN-224204929-U

Abstract

The utility model discloses an AGV driving wheel, which comprises a driving wheel body composed of a motor assembly and a wheel assembly, wherein the motor assembly comprises a shell, a rear end cover, a rear cover and a stator and rotor, the stator and rotor is arranged in a space formed by the shell and the rear end cover and is divided into a stator assembly and a rotor assembly, the rotor assembly comprises a rotating shaft, a magnetic shoe and a rotor iron core, the rotating shaft is fixedly connected with the rotor iron core, the magnetic shoe is arranged in a groove of the rotor iron core, the stator assembly comprises a stator iron core, a framework and a coil, the driving assembly is arranged in the space formed by the rear end cover and the rear cover, the driving assembly comprises a driving plate and an encoder for driving the motor to operate, the encoder comprises a signal end and a receiving end, the signal end is connected with the rotating shaft, and the receiving end is arranged on the driving plate. According to the utility model, the driving part, the speed reducing part and the control part of the AGV driving wheel are integrated together, so that the convenience in use is improved, and the overall size is reduced.

Inventors

  • LV BIAO

Assignees

  • 锋桦传动科技(江苏)有限公司

Dates

Publication Date
20260505
Application Date
20250428

Claims (7)

  1. 1. The AGV driving wheel comprises a driving wheel body composed of a motor assembly (1) and a wheel assembly (2), wherein the motor assembly (1) comprises a shell (11), a rear end cover (12), a rear cover (13) and a stator and a rotor, the stator and the rotor are arranged in a space formed by the shell (11) and the rear end cover (12), the stator and the rotor are divided into a stator assembly (14) and a rotor assembly (15), the rotor assembly (15) comprises a rotating shaft (151), a magnetic shoe (152) and a rotor iron core, the rotating shaft (151) is fixedly connected with the rotor iron core, the magnetic shoe (152) is arranged in a rotor iron core groove, and the stator assembly (14) comprises a stator iron core, a framework and a coil, and the AGV driving wheel is characterized by further comprising a driving assembly (3), and the driving assembly (3) is arranged in the space formed by the rear end cover (12) and the rear cover (13). The driving assembly (3) comprises a driving plate (31) for driving the motor to operate and an encoder (32), the encoder (32) comprises a signal end (321) and a receiving end (322), the signal end (321) is connected with the rotating shaft (151), and the receiving end (322) is arranged on the driving plate (31); The wheel assembly (2) comprises a wheel body (21) and a speed reducing mechanism (22), the speed reducing mechanism (22) is arranged in the wheel body (21), and the motor assembly (1) is connected with the wheel body (21) through the speed reducing mechanism (22); The signal end (321) comprises a fixing seat (321-1) and a magnetic element (321-2) clamped in the fixing seat (321-1), the fixing seat (321-1) is in threaded connection with the rotating shaft (151), the fixing seat (321-1) is provided with a groove for accommodating the magnetic element (321-2), the magnetic element (321-2) is arranged in the groove, and the distance between the magnetic element (321-2) and a receiving end (322) on the driving plate (31) is H, and the distance H is 0.8-1.8mm.
  2. 2. The AGV driving wheel according to claim 1, wherein the speed reducing mechanism (22) comprises a speed reducing frame (221) and a sealing plate (222), a planetary gear is arranged in the speed reducing frame (221), and the rotating shaft (151) is connected with the planetary gear.
  3. 3. An AGV drive wheel according to claim 2 wherein the wheel body (21) comprises an over-coating wheel (211) and a hub (212), wherein the hub (212) is sleeved outside the reduction frame (221), and the hub (212) is driven to rotate by the planetary gear when the spindle (151) rotates.
  4. 4. The AGV driving wheel according to claim 1, wherein a plurality of heat dissipation fins (131) are arranged on the outer side of the rear cover (13), and the heat dissipation fins (131) are arranged on the rear end face and the circumferential surface of the whole body.
  5. 5. An AGV drive wheel according to claim 2 wherein the magnetic element (321-2) is a magnet and the direction of magnetization is radial bipolar magnetization.
  6. 6. The AGV driving wheel according to claim 2, wherein a groove for accommodating the sealing ring (4) is formed in the contact surface of the sealing plate (222) and the housing (11), and the sealing ring (4) is arranged in the groove.
  7. 7. The AGV driving wheel according to claim 1 wherein the housing (11) is further provided with a protrusion (111), the protrusion (111) is provided with a screw hole, and the protrusion (111) is used for fixing the driving wheel body with other devices.

Description

AGV driving wheel Technical Field The utility model belongs to the technical field of AGV trolleys, and particularly relates to an AGV driving wheel. Background AGVs are english abbreviations for automated guided vehicles (Automated Guided Vehicle), which are unmanned automated vehicles having automated guiding devices such as magnetic strips, rails, or lasers, traveling along a planned path, powered by batteries, and equipped with safety protection and various auxiliary mechanisms (e.g., transfer, assembly mechanisms). Generally, a plurality of AGVs, a control computer (console), a navigation device, a charging device and peripheral accessory devices form an AGV system, and the main working principle is that under the monitoring and task scheduling of the control computer, the AGVs can accurately walk according to a specified path, a series of operation tasks are completed after the AGVs reach a task designated position, and the control computer can determine whether the AGVs reach a charging area to be automatically charged according to the self electric quantity of the AGVs. However, the current AGV device generally has a structure that a motor is connected to a hub through a reduction mechanism, and then the motor is connected to a control part and a feedback part, so that the AGV becomes very bulky, and different compatibility is required for each part, so that maintenance becomes difficult, and meanwhile, each part is overlapped, so that the required space is relatively large. Disclosure of utility model In order to solve the technical problems, the utility model adopts a technical scheme that: The utility model provides an AGV drive wheel, includes the drive wheel body that comprises motor element and wheel subassembly, motor element includes casing, rear end cap, rear cover and stator and rotor, stator and rotor is located in the space that casing and rear end cap formed, stator and rotor divide into stator assembly and rotor assembly, wherein, rotor assembly includes pivot, magnetic shoe, rotor core, pivot and rotor core fixed connection, the magnetic shoe is located in the rotor core recess, stator assembly includes stator core, skeleton and coil, still includes drive assembly, drive assembly locates in the space that rear end cap and rear cover formed; The driving assembly comprises a driving plate and an encoder, wherein the driving plate is used for driving the motor to run, the encoder comprises a signal end and a receiving end, the signal end is connected with the rotating shaft, and the receiving end is arranged on the driving plate; The wheel assembly comprises a wheel body and a speed reducing mechanism, the speed reducing mechanism is arranged in the wheel body, and the motor assembly is connected with the wheel body through the speed reducing mechanism; the signal end comprises a fixing seat and a magnetic element clamped in the fixing seat, the fixing seat is in threaded connection with the rotating shaft, the fixing seat is provided with a groove for accommodating the magnetic element, the magnetic element is arranged in the groove, the distance between the magnetic element and a receiving end on the driving plate is recorded as H, and the distance H is 0.8-1.8mm. Further, the speed reducing mechanism comprises a speed reducing frame and a sealing plate, a planetary gear is arranged in the speed reducing frame, and the rotating shaft is connected with the planetary gear. Further, the wheel body comprises a rubber covered wheel and a wheel hub, the wheel hub is sleeved on the outer side of the speed reduction frame, and when the rotating shaft rotates, the wheel hub can be driven to rotate through the planetary gear. Further, a plurality of radiating fins are arranged on the outer side of the rear cover, and the radiating fins are arranged on the rear end face and the circumferential surface of the whole body. Further, the magnetic element is a magnet, and the magnetizing direction is radial dipolar magnetizing. Further, a groove for accommodating the sealing ring is formed in the contact surface of the sealing plate and the shell, and the sealing ring is arranged in the groove. Further, the casing is also provided with a lug, the lug is provided with a screw hole, and the lug is used for fixing the driving wheel body with other equipment. The utility model has the beneficial effects that: The utility model directly places the control part and the detection part of the motor on the rear side of the motor, can directly test the rotating speed and the absolute position of the motor by utilizing the tail shaft of the motor to be matched with the magnet, solves the problem of independently introducing the encoder, simultaneously places the speed reducing mechanism in the hub, directly generates power by using the planetary gear to be output to the driving wheel, saves the space, relatively reduces the whole size, intensively leads out the circuit of the internal circuit board, directly uses