CN-224226599-U - Travelling wheel set of stacker

Abstract

The utility model discloses a traveling wheel set of a stacker, which is used for improving the stability and traveling precision of the stacker. The traveling wheel set of the stacker is arranged on a lower beam of the stacker and comprises a motor mechanism and a moving mechanism, wherein the motor mechanism comprises a lower beam frame, a motor fixing plate and a traveling motor, the lower beam frame and the motor fixing plate are connected through long pins, the traveling motor is fixedly connected to the motor fixing plate, the moving mechanism comprises a bearing fixing frame, a bearing and traveling wheels, the bearing is fixed on the bearing fixing frame and connected with an output shaft of the traveling motor, and the traveling wheels are sleeved on the bearing. The utility model has simple structure, low difficulty in manufacturing and maintenance, more convenient height and angle adjustment of the travelling wheel, and improved durability and service life.

Inventors

• ZHENG WENBIN
• LIANG JIANGLIN
• WANG WENSONG

Assignees

• 双钱集团（新疆）昆仑轮胎有限公司

Dates

Publication Date

20260512

Application Date

20250427

Claims (10)

1. 1. The stacker walking wheel set is arranged on a lower cross beam (1) of the stacker, the lower cross beam (1) is used as a supporting structure of the whole walking wheel set and is connected to a main body structure of the stacker, a group of stacker walking wheel sets (0) are respectively arranged at two ends of the lower cross beam (1), and the lower cross beam (1) comprises a lower cross beam upper plate (1-1) and a lower cross beam side plate (1-2); The motor mechanism comprises a lower beam frame (5), a motor fixing plate (6) and a walking motor (7), wherein the lower beam frame (5) is fixed above a lower beam upper plate (1-1), the motor fixing plate (6) is connected with the lower beam frame (5) through a long pin (9), and the walking motor (7) is fixedly connected with the motor fixing plate (6); The moving mechanism comprises bearing fixing frames (3), bearings (12) and travelling wheels (10), wherein the bearing fixing frames (3) are provided with two groups which are respectively positioned on two sides of a lower beam side plate (1-2), each group of bearing fixing frames (3) comprises a middle fixing plate (3-1) and a U-shaped fixing frame (3-2), the U-shaped fixing frames (3-2) positioned on two sides of the lower beam side plate (1-2) are connected through connecting shafts (4), the middle fixing plates (3-1) are positioned in the U-shaped fixing frames (3-2) and are connected with the U-shaped fixing frames (3-2) through wheel group adjusting bolts (2), the U-shaped openings with downward openings are formed in the positions of the middle fixing plates (3-1), the bearings (12) are arranged in the middle fixing plates (3-1) in a penetrating mode and are parallel to the central axes of the connecting shafts (4), the bearings (12) are connected with output shafts of travelling motors (7), the travelling wheels (10) are sleeved on the motors (12), and the travelling wheels (12) are driven to run by the bearings (10).
2. 2. A stacker wheelset according to claim 1, wherein the lower cross beam (1) is connected to a column and a cargo bed in the stacker body structure.
3. 3. The walking wheel set of the stacker according to claim 1, wherein buffer rubber pads (8) are arranged on two sides of the connection part of the motor fixing plate (6) and the long pin (9).
4. 4. The walking wheel set of the stacker as claimed in claim 1, wherein the connection mode between the lower beam frame (5) and the lower beam upper plate (1-1) is threaded connection, and the connection mode between the walking motor (7) and the motor fixing plate (6) is threaded connection.
5. 5. A stacker travelling wheel unit according to claim 1 wherein the travelling motor (7) is an ac variable frequency motor.
6. 6. A stacker wheel assembly according to claim 1, wherein a wheel assembly expansion sleeve (11) is arranged between the travelling wheel (10) and the bearing (12), and the wheel assembly expansion sleeve (11) is embedded in the travelling wheel (10) to fasten the bearing (12) and the travelling wheel (10).
7. 7. The walking wheel set of the stacker crane according to claim 1, wherein a plurality of mounting holes are formed in the lower beam (1) for fixing the lower beam frame (5), the motor fixing plate (6) and the bearing fixing frame (3).
8. 8. A stacker wheelset according to claim 1 wherein the bearing (12) is a self-aligning ball bearing.
9. 9. The walking wheel set of the stacker of claim 1, wherein the lower cross beam (1), the lower cross beam frame (5), the motor fixing plate (6) and the bearing fixing frame (3) are made of forging materials, and the wheel set adjusting bolt (2) is made of carbon structural steel or alloy structural steel.
10. 10. The walking wheel set of the stacker crane according to claim 1, wherein a plurality of oil injection hole sites (13) are arranged on the periphery of the middle fixing plate (3-1), the oil injection hole sites (13) are connected with a middle position oil duct, lubricating oil is injected into the middle position oil duct of the middle fixing plate (3-1) from the oil injection hole sites (13), and the middle position oil duct guides the lubricating oil to the bearing (12).

Description

Travelling wheel set of stacker Technical Field The utility model relates to the technical field of industrial automation equipment, in particular to a traveling wheel set of a stacker, which is used for improving the stability and traveling precision of the stacker. Background Stacker is one of the key devices in modern warehouse logistics systems, and its main function is to automatically carry goods in warehouse. The performance of the stacker directly affects the efficiency and reliability of the warehouse system. In the existing stacker design, the traveling wheel set is a core component for realizing the movement of the stacker, and the design and manufacturing quality of the traveling wheel set directly influence the operation stability and the accuracy of the stacker. For example, patent CN222064010U discloses a light stacker walking wheel adjustment mechanism, including the walking wheel, the walking wheel passes through the bearing to be rotated and installs on the shaft, the use of structures such as tight cover that expands has been cancelled, the not hard up problem between walking wheel and the shaft has effectively been avoided, the safety in utilization has been improved, eccentric shaft sleeve is all installed at the both ends of shaft, the shaft passes through eccentric shaft sleeve fixed mounting on the bottom end rail, eccentric shaft sleeve includes the mounting disc, the shaft hole has been seted up on the mounting disc, the center in shaft hole is eccentric with the center of mounting disc, the shaft is installed in the shaft hole, evenly seted up a plurality of mounting holes along its hoop on the mounting disc, the mounting disc is kept away from the side terminal surface of bottom end rail and is fixed with square boss, can be convenient for the staff to use adjustable spanner to rotate and adjust eccentric shaft sleeve, the application of force has been made things convenient for, the screwing of eccentric shaft sleeve of being convenient for. The patent CN219360755U provides a quick-disassembly type stacker walking wheel box structure and a stacker, wherein the quick-disassembly type stacker walking wheel box structure comprises a wheel box main body and walking wheels, the walking wheels are rotatably arranged in the wheel box main body, the wheel box main body comprises side plates, flange plates and positioning pins, the flange plates are detachably connected to a lower cross beam, positioning holes are formed in the flange plates and used for penetrating through the positioning pins, through holes are formed in the flange plates and used for accommodating the walking wheels, the two side plates are fixedly arranged on the flange plates, the side plates are positioned on two sides of the through holes, and the walking wheels are rotatably arranged between the two side plates. According to the quick-disassembly type stacker walking wheel box structure and the stacker, the walking wheels are rotatably arranged on the side plates and detachably connected with the lower cross beam through the flange plates, when the walking wheels are in fault, the walking wheels can be directly replaced through the flange plates, and the quick disassembly and quick positioning installation can be realized through positioning pins in the installation process. Patent CN211812332U proposes an adjustable direction wheelset for reducing turn stacker turns to clearance, including walk wheel case subassembly, guide pulley fixed plate, deflection wheel subassembly, eccentric shaft, tight nut and adjustment washer, the guide pulley fixed plate is installed to the bottom half of walking wheel case subassembly, the eccentric shaft passes through tight nut to be installed on the guide pulley fixed plate, still install the adjustment washer between tight nut and the guide pulley fixed plate, deflection wheel subassembly rotatable mounting is on the eccentric shaft, walking wheel case subassembly can walk along the rail through deflection wheel subassembly, install three deflection wheel subassemblies on the guide pulley fixed plate, including setting up two deflection wheel subassemblies in rail one side, and set up one deflection wheel subassembly in rail opposite side. The adjustable guide wheel set can enable the turning type stacker to keep stable in straight line walking and turning, is stable in structure and not easy to deform, is simple to process and is convenient for on-site adjustment. However, the conventional stacker traveling wheel set design has the following problems: The structure is complex, the structure of the traditional walking wheel set is complex, and the difficulty of manufacturing and maintaining is increased. The stability is poor, and because the structural design is unreasonable, the walking wheel set is easy to vibrate during high-speed operation, and the stability of the stacker is affected. The adjustment is difficult, and the adjustment and maintenance of the wheel sets need p