Search

CN-224197757-U - Self-adjusting travelling wheel mechanism and track roadway stacker

CN224197757UCN 224197757 UCN224197757 UCN 224197757UCN-224197757-U

Abstract

A self-adjusting travelling wheel mechanism and a track roadway stacker relate to the technical field of stackers and comprise a box body, a pin shaft, a travelling wheel assembly and a floating adjusting assembly, wherein the travelling wheel assembly comprises a mounting frame and travelling wheels, one end of the mounting frame is hinged to the box body through the pin shaft, the other end of the mounting frame is elastically connected with the box body through the floating adjusting assembly so that the travelling wheels can float up and down relative to the box body, the floating adjusting assembly comprises an adjusting shaft, one end of the adjusting shaft is in butt joint with the box body, the other end of the adjusting shaft is vertically downward and penetrates through the mounting frame, a plurality of disc springs are sleeved on the outer side of the adjusting shaft, the adjusting shaft comprises a shaft body and a head, the disc springs are positioned between the head and the mounting frame, and the adjusting shaft and the disc springs are matched to drive the travelling wheels to float up and down relative to the box body. By adopting the technical scheme, when the travelling wheel meets the height difference of the ground rail, the disc spring can generate corresponding elastic deformation, so that the travelling wheel is driven to float up and down, the travelling wheel is tightly abutted to the ground rail, and the normal and safe operation of the stacker is ensured.

Inventors

  • LI CHANG

Assignees

  • 深圳市欣畅达科技有限公司

Dates

Publication Date
20260505
Application Date
20250624

Claims (10)

  1. 1. The self-adjusting travelling wheel mechanism is characterized by comprising a box body (10), a pin shaft (20), a travelling wheel assembly (30) and a floating adjusting assembly (40), wherein the travelling wheel assembly (30) comprises a mounting frame (31) and travelling wheels (32) fixedly arranged on the mounting frame (31), one end of the mounting frame (31) is hinged to the box body (10) through the pin shaft (20), and the other end of the mounting frame (31) is elastically connected with the box body (10) through the floating adjusting assembly (40) so that the travelling wheels (32) can float up and down relative to the box body (10); The floating adjusting assembly (40) comprises an adjusting shaft (41) with one end being abutted to the box body (10), the other end being vertically downward and penetrating through the mounting frame (31), and a plurality of disc springs (42) sleeved on the outer side of the adjusting shaft (41), wherein the adjusting shaft (41) comprises a shaft body (411) and a head (412) being abutted to the box body (10), the disc springs (42) are located between the head (412) and the mounting frame (31), and the adjusting shaft (41) and the disc springs (42) are matched to drive the travelling wheels (32) to float up and down relative to the box body (10).
  2. 2. A self-adjusting walking wheel mechanism according to claim 1, characterized in that the floating adjustment assembly (40) further comprises a fixed cylinder (43) fixedly arranged on the mounting frame (31), a plurality of disc springs (42) are accommodated in the fixed cylinder (43), and through holes (432) for the adjustment shaft (41) to pass through are formed in the fixed cylinder (43) and the mounting frame (31).
  3. 3. A self-adjusting travelling wheel mechanism according to claim 2, wherein the fixed cylinder (43) is further provided with a grease nipple (431) communicating with the inside thereof, and the grease nipple (431) is used for injecting oil into the inside of the fixed cylinder (43).
  4. 4. A self-adjusting travelling wheel mechanism according to claim 2, characterized in that a limiting block (44) is fixedly arranged at the top of the fixed cylinder (43), and the head (412) of the adjusting shaft (41) is partially accommodated in the limiting block (44).
  5. 5. A self-adjusting travelling wheel mechanism according to any one of claims 1-4, wherein a plurality of abutting rings (45) are sleeved on the adjusting shaft (41), and a plurality of disc springs (42) are uniformly distributed among the abutting rings (45).
  6. 6. A self-adjusting travelling wheel mechanism according to claim 1, characterized in that the floating adjustment assembly (40) further comprises an adjustment nut (46) screwed on the shaft body (411) of the adjustment shaft (41), and a limiting pin (47) for limiting the adjustment nut (46), the adjustment nut (46) is used for adjusting the initial position of the travelling wheel (32) relative to the box body (10), the adjustment nut (46) is located at one end of the shaft body (411) far away from the head (412), the limiting pin (47) is arranged along the axial direction perpendicular to the adjustment shaft (41), and the limiting pin (47) penetrates through the adjustment shaft (41) and is used for being abutted with the bottom of the adjustment nut (46).
  7. 7. A self-adjusting travelling wheel mechanism according to claim 1, characterized in that the side of the box body (10) and the mounting frame (31) away from the pin shaft (20) is respectively provided with an upper mounting plate (11) and a lower mounting plate (311), and the floating adjustment assembly (40) is arranged between the upper mounting plate (11) and the lower mounting plate (311).
  8. 8. A self-adjusting road wheel mechanism according to claim 7, characterized in that the upper mounting plate (11) is provided with an abutment plate (111) for abutment with the head (412) of the adjustment shaft (41) in correspondence of the position of the adjustment shaft (41).
  9. 9. The self-adjusting traveling wheel mechanism according to claim 8, wherein an anti-collision plate (12) is further arranged between the upper mounting plate (11) and the lower mounting plate (311), one end of the anti-collision plate (12) is fixedly connected to the lower mounting plate (311), the other end of the anti-collision plate extends vertically upwards to the upper side of the upper mounting plate (11), and the floating adjusting assembly (40) is located on one side of the anti-collision plate (12) facing the box body (10) and the mounting frame (31).
  10. 10. A track roadway stacker comprising a chassis travelling system, wherein the chassis travelling system comprises a ground track and a self-adjusting travelling wheel mechanism as claimed in any one of claims 1 to 9.

Description

Self-adjusting travelling wheel mechanism and track roadway stacker Technical Field The utility model relates to the field of stackers, in particular to a self-adjusting travelling wheel mechanism and a rail tunnel stacker. Background In an automated warehouse system, a roadway stacker runs on parallel ground rails by means of travelling wheels to achieve accurate positioning. However, due to foundation settlement, installation errors or long-term load deformation, a height difference (levelness deviation) often occurs in two ground rails, thereby causing a series of running hazards: The height difference causes that part of the travelling wheels are suspended, the pressure of the rest wheel bodies is increased rapidly, the abrasion of the wheel rims and the treads is accelerated, and when the height difference is overlarge, the wheel rims and the side surfaces of the rails of the travelling wheels are extruded forcedly, so that rail climbing and derailment accidents can occur in the stage of high-speed steering or start-stop. In addition, the torque of the suspended wheel slipping accident breaking motor suddenly changes, overload protection is frequently triggered to stop, and meanwhile, the counting and counting of the encoder are inconsistent with the actual displacement, so that the position deviation of the fork picking and placing is caused. In the prior art, the problem of the height difference of the ground rail is usually solved by adopting schemes such as a spring floating wheel or manual periodic rail correction, but the spring floating wheel can compensate the height difference, but the spring is easy to be broken by fatigue, the stiffness attenuation aggravates unbalance under the high-temperature working condition, and the manual periodic rail correction depends on a laser range finder to manually adjust the rail, so that the maintenance period is long, and the instantaneous height difference caused by real-time sedimentation cannot be restrained. Disclosure of utility model The application aims to provide a self-adjusting travelling wheel mechanism and a track roadway stacker, which can automatically adjust the height of travelling wheels, so that the travelling wheels are tightly abutted against ground rails, and the normal and safe operation of the stacker is ensured. The utility model provides a self-adjusting travelling wheel mechanism which comprises a box body, a pin shaft, a travelling wheel assembly and a floating adjusting assembly, wherein the travelling wheel assembly comprises a mounting frame and travelling wheels fixedly arranged on the mounting frame, one end of the mounting frame is hinged to the box body through the pin shaft, and the other end of the mounting frame is elastically connected with the box body through the floating adjusting assembly so that the travelling wheels can float up and down relative to the box body; The floating adjusting assembly comprises an adjusting shaft with one end being abutted to the box body, the other end being vertically downward and penetrating through the mounting frame, and a plurality of disc springs sleeved on the outer side of the adjusting shaft, wherein the adjusting shaft comprises a shaft body and a head portion abutted to the box body, the disc springs are located between the head portion and the mounting frame, and the adjusting shaft and the disc springs are matched to drive the travelling wheels to float up and down relative to the box body. Optionally, the floating adjusting assembly further comprises a fixing cylinder fixedly arranged on the mounting frame, the disc springs are contained in the fixing cylinder, and through holes for the adjusting shaft to pass through are formed in the fixing cylinder and the mounting frame. Optionally, the fixed cylinder is further provided with an oil injection nozzle communicated with the inside of the fixed cylinder, and the oil injection nozzle is used for injecting oil into the fixed cylinder. Optionally, a limiting block is fixedly arranged at the top of the fixed cylinder, and the head part of the adjusting shaft is accommodated in the limiting block. Optionally, a plurality of abutting rings arranged at intervals are sleeved on the adjusting shaft, and the plurality of disc springs are uniformly distributed among the plurality of abutting rings. Optionally, the floating adjusting assembly further comprises an adjusting nut screwed on the shaft body of the adjusting shaft and a limiting pin used for limiting the adjusting nut, wherein the adjusting nut is used for adjusting the initial position of the travelling wheel relative to the box body, the adjusting nut is located at one end of the shaft body far away from the head, the limiting pin is arranged along the axial direction perpendicular to the adjusting shaft, and the limiting pin penetrates through the adjusting shaft and is used for being abutted to the bottom of the adjusting nut. Optionally, one side of keeping away from t