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CN-224226587-U - Hydraulic lifting trolley for replacing airplane wheel brake

CN224226587UCN 224226587 UCN224226587 UCN 224226587UCN-224226587-U

Abstract

The utility model provides a hydraulic lifting trolley for replacing an airplane wheel brake, which comprises a U-shaped trolley body, wherein a bending support plate is fixed at the middle part of the top of the U-shaped trolley body, upright posts are symmetrically fixed at the top of the U-shaped trolley body, an airplane wheel support frame is slidably arranged on the upright posts through a pulley mechanism, an airplane wheel rotary drum is rotatably arranged on the front end surface of the airplane wheel support frame through a horizontal shaft, and a lifting power device is arranged between the airplane wheel support frame and the bending support plate. The trolley can be used for lifting the wheel in the process of disassembling the wheel brake of the airplane, can rotationally support the wheel and ensure that the wheel can rotate, and meanwhile, the trolley adopts a movable structure, so that the whole device can be conveniently moved to the position of the wheel, and the use flexibility is further enhanced.

Inventors

  • WANG HONGJI
  • XING DONGLIANG

Assignees

  • 贝迪克凌云(宜昌)飞机维修工程有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (9)

  1. 1. The utility model provides a hydraulic lifting trolley is changed to aircraft wheel brake, a serial communication port, including U type automobile body (6), the top middle part of U type automobile body (6) is fixed with and buckles backup pad (4), and the top symmetry of U type automobile body (6) is fixed with stand (7), installs the wheel support frame through pulley mechanism slidable mounting on stand (7), and wheel rotary drum (20) are installed through horizontal axis (21) rotation to the preceding terminal surface of wheel support frame, installs lifting power device between wheel support frame and the backup pad (4) of buckling.
  2. 2. The hydraulic lifting trolley for replacing the airplane wheel brake according to claim 1, wherein head wheel mounting plates (27) are fixed at two ends of the head of the U-shaped trolley body (6), head wheels (28) are fixedly mounted at the bottom ends of the head wheel mounting plates (27), a barrel (5) is fixed at the top end of the tail of the bending support plate (4), a vertical shaft (8) is rotatably mounted in the barrel (5), a tail wheel frame (2) is rotatably mounted at the bottom end of the vertical shaft (8) and positioned at the bottom end of the bending support plate (4), and a tail wheel (1) is mounted at the bottom end of the tail wheel frame (2).
  3. 3. The hydraulic lifting trolley for replacing aircraft wheel brakes according to claim 2, wherein the head wheels (28) are fixedly connected with the head wheel mounting plates (27) through a plurality of fastening bolts (30); A first inclined reinforcing plate (26) is arranged between the bending supporting plate (4) and the outer wall of the U-shaped vehicle body (6).
  4. 4. The hydraulic lifting trolley for replacing aircraft wheel brakes according to claim 2, characterized in that the top end of the vertical shaft (8) is fixed with a rotating handle (9); A thrust ball bearing (3) is arranged between the tail wheel frame (2) and the bending support plate (4).
  5. 5. The hydraulic lifting trolley for replacing the aircraft wheel brake according to claim 1, wherein a top cross beam (16) is fixed between the top ends of the upright posts (7).
  6. 6. The hydraulic lifting trolley for replacing the aircraft wheel brake according to claim 1, wherein the aircraft wheel support frame comprises wheel frame upright posts (15) which are arranged in pairs, an upper connecting beam (17) is fixed between the upper parts of the wheel frame upright posts (15), a lower connecting beam (29) is fixed on the outer wall of the lower part of the wheel frame upright posts (15), and the horizontal shaft (21) is fixed on the outer wall of the lower connecting beam (29).
  7. 7. The hydraulic lifting trolley for replacing the aircraft wheel brake according to claim 6, wherein the pulley mechanism comprises an upper pulley frame (14) fixed between the upper parts of the pulley frame upright posts (15), an upper roller (13) which is used for being in rolling fit with the outer wall of the upright post (7) is arranged at the tail end of the upper pulley frame (14) through a wheel shaft (12), an upper connecting bolt (22) is fixed between the upper pulley frame (14), a lower roller (10) is arranged at the lower part of the pulley frame upright posts (15) through a lower pulley frame (11), the lower roller (10) is in rolling support on the outer wall of the upright post (7), and the lower roller (10) and the upper roller (13) are in bidirectional staggered arrangement.
  8. 8. The hydraulic lifting trolley for replacing the aircraft wheel brake according to claim 6, wherein the lifting power device comprises a manual jack (19) fixed at the top end of the bending support plate (4), the top end of a piston rod (18) of the manual jack (19) is in contact fit with the bottom end of the upper connecting beam (17), the manual jack (19) is in fit connection with a manual pump (24), and a manual operating rod (25) is arranged on the manual pump (24).
  9. 9. The hydraulic lifting trolley for replacing the aircraft wheel brakes according to claim 6, wherein a second inclined reinforcing plate (23) is arranged between the upright post (7) and the U-shaped trolley body (6).

Description

Hydraulic lifting trolley for replacing airplane wheel brake Technical Field The utility model belongs to the field of aircraft maintenance tools, and particularly relates to a hydraulic lifting trolley for replacing an aircraft wheel brake. Background In the process of replacing the aircraft wheel brake, the aircraft wheel needs to be lifted and supported to a certain height, so that normal rotation of the aircraft wheel can be ensured in the process of disassembling the brake. The existing replacement operation process mainly uses operators to manually carry and lift the stephania japonica to jack up the wheels on site, and the operation process is time-consuming and labor-consuming, has high labor intensity of the operators and is inflexible to use. Disclosure of utility model The utility model aims to overcome the defects of the prior art, provides the hydraulic lifting trolley for replacing the wheel brakes of the aircraft, can be used for lifting the wheel in the process of disassembling the wheel brakes of the aircraft, can rotationally support the wheel and ensure that the wheel can rotate, and simultaneously adopts a movable structure, so that the whole device can be conveniently moved to the position of the wheel, and the use flexibility is further enhanced. In order to achieve the technical characteristics, the hydraulic lifting trolley for replacing the airplane wheel brake comprises a U-shaped trolley body, wherein a bending support plate is fixed at the middle part of the top of the U-shaped trolley body, upright posts are symmetrically fixed at the top of the U-shaped trolley body, a wheel support frame is slidably arranged on the upright posts through pulley mechanisms, a wheel rotary drum is rotatably arranged on the front end surface of the wheel support frame through a horizontal shaft, and a lifting power device is arranged between the wheel support frame and the bending support plate. The head of U type automobile body both ends are fixed with head wheel mounting panel, and head wheel mounting panel's bottom fixed mounting has head wheel, and the afterbody top of buckling support plate is fixed with the barrel, and the inside rotation of barrel installs the vertical scroll, and the bottom of vertical scroll is located the bottom rotation of buckling support plate and installs the tail wheel carrier, and the tail wheel is installed to the bottom of tail wheel carrier. The head wheel is fixedly connected with the head wheel mounting plate through a plurality of fastening bolts; A first inclined reinforcing plate is arranged between the bending support plate and the outer wall of the U-shaped car body. A rotating handle is fixed at the top end of the vertical shaft; and a thrust ball bearing is arranged between the tail wheel frame and the bending support plate. A top cross beam is fixed between the top ends of the upright posts. The machine wheel support frame comprises wheel frame upright posts which are arranged in pairs, an upper connecting beam is fixed between the upper parts of the wheel frame upright posts, a lower connecting beam is fixed on the outer wall of the lower part of the wheel frame upright posts, and the horizontal shaft is fixed on the outer wall of the lower connecting beam. The pulley mechanism comprises an upper pulley frame fixed between the upper parts of the stand columns of the pulley frame, an upper roller wheel used for being in rolling fit with the outer walls of the stand columns is arranged at the tail end of the upper pulley frame through a pulley shaft, an upper connecting bolt is fixed between the upper pulley frames, a lower roller wheel is arranged at the lower part of the stand columns of the pulley frame through a lower pulley frame, the lower roller wheel is supported on the outer walls of the stand columns in a rolling manner, and the lower roller wheel and the upper roller wheel are arranged in a bidirectional staggered manner. The lifting power device comprises a manual jack fixed at the top end of the bending support plate, the top end of a piston rod of the manual jack is in contact fit with the bottom end of the upper connecting beam, the manual jack is connected with a manual pump in a matched manner, and a manual operation rod is arranged on the manual pump. And a second inclined reinforcing plate is arranged between the upright post and the U-shaped vehicle body. The utility model has the following beneficial effects: 1. The trolley can be used for lifting the wheel in the process of disassembling the wheel brake of the airplane, can rotatably support the wheel and ensure that the wheel can rotate, and meanwhile, the trolley adopts a movable structure, so that the whole device can be conveniently moved to the position of the wheel, and the use flexibility is further enhanced. 2. The movement of the trolley can be ensured through the head wheel and the tail wheel. 3. The reliability of the fixed installation of the bending support plate is e