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CN-122009513-A - Aircraft ground assembly supporting platform with leveling and wind-resistant stable structure

CN122009513ACN 122009513 ACN122009513 ACN 122009513ACN-122009513-A

Abstract

The invention relates to an aircraft ground assembly supporting platform with a leveling and wind-resistant stabilizing structure, belongs to the technical field of movable lifting assembly platforms, and aims to solve the technical problems of inconvenient leveling, weak wind resistance and inconvenient positioning and transition of the conventional aircraft assembly supporting platform, and comprises a maintenance platform frame, universal traveling wheels, a trailer connection hanging frame, diagonally arranged electric driving steering wheels, four-corner leveling supporting components, lateral extending brackets, hydraulic driving components and mechanical limiting components, the leveling support assembly and the lateral extension support are linked to form a triangular wind-resistant support structure, the mechanical limiting assembly realizes mechanical self-locking of the lifting column I, the hydraulic driving assembly synchronously drives leveling and steering wheel lifting, the trailer connection hanging frame and the mechanical limiting assembly are linked to adapt to the transition requirement, the platform can be accurately leveled and positioned in a micro-scale, the outdoor wind-resistant overturning capacity is obviously improved, the transition is convenient, the support is stable and reliable, and the platform is suitable for outdoor operation scenes such as aircraft ground assembly and overhaul.

Inventors

  • CHEN WEIQIANG
  • HUANG QIANLAN
  • LIU ZONGYUAN
  • FAN JIANG
  • LI PENGPENG

Assignees

  • 湖南华铝机械技术有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. The utility model provides an aircraft ground assembly supporting platform with leveling and anti-wind stable structure, includes examine and repair platform frame (1), examine and repair platform frame (1) top is fixed to be equipped with hoist driving device (3), examine and repair platform frame (1) sliding lift is equipped with lift cargo lift (2), examine and repair platform frame (1) are equipped with a plurality of butt joint connection mesa (5) and safe cat ladder (4); The overhaul platform frame (1) is characterized by further comprising: Four universal travelling wheels (6) are respectively fixed at four corners of the bottom end of the maintenance platform frame (1) through bolts and are used for realizing short-distance movement of the platform; The trailer connecting hanging frame (9) is rotationally connected to one side of the overhaul platform frame (1) through the hanging bracket (91) and can be connected with an external trailer to realize long-distance transition of the platform; Two electric driving steering wheels (8) which are arranged at two sides of the maintenance platform frame (1) in a diagonal lifting manner and are used for driving the maintenance platform frame (1) to move in a trace manner so as to accurately butt-joint the aircraft; The four leveling supporting components (7) are respectively arranged at four corners of the maintenance platform frame (1) in a lifting manner, and contact with the ground after descending to limit and level the maintenance platform frame (1); the two groups of hydraulic driving assemblies (11) are arranged on two sides of the overhaul platform frame (1) and are used for driving the leveling supporting assemblies (7) and the electric driving steering wheels (8) to lift.
  2. 2. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 1, wherein the leveling support assembly (7) comprises a loop bar I (71), a lifting column I (72) and an oil cylinder I (73), the loop bar I (71) is fixed on the outer side of the inspection platform frame (1), the lifting column I (72) is in sliding fit in the loop bar I (71), the oil cylinder I (73) is fixed on the top of the loop bar I (71), the output end of the oil cylinder I (73) is fixedly connected with the lifting column I (72), and the lifting column I (72) is driven to lift through the telescopic operation of the oil cylinder I (73).
  3. 3. The aircraft ground assembly supporting platform with the leveling and wind-resistant stabilizing structure according to claim 2, wherein the electric driving steering wheel (8) comprises a steering wheel mounting frame (81), a lifting column II (82), a rotary supporting seat (84), a driving traveling wheel (86), a gear motor I (85), a gear motor II (87) and an oil cylinder II (88), the steering wheel mounting frame (81) is fixed on the outer side of the inspection platform frame (1), the lifting column II (82) is in sliding fit with the steering wheel mounting frame (81), the guide roller (83) is rotatably mounted on the top end of the lifting column II (82) and is attached to the steering wheel mounting frame (81), the rotary supporting seat (84) is rotatably mounted on the bottom of the lifting column II (82), the driving traveling wheel (86) is rotatably mounted on the bottom of the rotary supporting seat (84), the gear motor I (85) is fixed on one side of the lifting column II (82) and is in transmission connection with the rotary supporting seat (84) through a synchronous wheel and a synchronous belt, the gear motor II (87) is fixed on one side of the rotary supporting seat (84) and the output end of the oil cylinder II is fixedly connected with the driving traveling wheel mounting frame (82) and is fixedly connected with the top wall (82).
  4. 4. The aircraft ground assembly support platform with leveling and wind-resistant stable structure according to claim 2, further comprising two groups of laterally extending supports (10), wherein the laterally extending supports are respectively arranged on two sides of the overhaul platform frame (1) and are in linkage fit with the leveling support assembly (7), the laterally extending supports (10) comprise telescopic loop bars (101), sliding support bars (103), pin columns I (105) and switching bars (104), the telescopic loop bars (101) are rotationally connected to the outer sides of the overhaul platform frame (1), the sliding support bars (103) are in sliding fit in the telescopic loop bars (101), the pin columns I (105) are inserted into one sides of the telescopic loop bars (101) and the sliding support bars (103) to limit, two ends of the switching bars (104) are respectively in rotational connection with the bottom ends of the lifting columns I (72) and the sliding support bars (103), and the lifting columns I (72) are driven to stretch when lifted.
  5. 5. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 4, wherein the bottom ends of the sliding support rods (103) and the lifting columns I (72) are respectively provided with a support foot plate (74) through rotating shafts, the bottom surfaces of the support foot plates (74) are provided with anti-slip insections so as to increase friction with the ground, and the same connecting plate (106) is fixedly connected between the two support foot plates (74) at the bottom of the sliding support rods (103) which slide together.
  6. 6. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 2, wherein the oil cylinder I (73) and the oil cylinder II (88) are identical in structure and comprise a cylinder body I (12), a piston column I (14), a piston rod I (13) and a spring I (15), the piston column I (14) is slidably matched in the cylinder body I (12), the piston rod I (13) penetrates through and slides at the bottom end of the cylinder body I (12) and the top end of the piston rod I is fixedly connected with the piston column I (14), the spring I (15) is sleeved on the outer wall of the piston rod I (13), and two ends of the spring I respectively collide with the bottom of the piston column I (14) and the bottom wall of the cylinder body I (12).
  7. 7. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 6, wherein the hydraulic driving assembly (11) comprises an oil cylinder III (111), a switching connecting cylinder (113) and a driving motor I (112), the oil cylinder III (111) is fixed in a steering wheel mounting frame (81), the switching connecting cylinder (113) is fixed on one side of the oil cylinder III (111), the driving motor I (112) is fixed on the outer end of the switching connecting cylinder (113), the oil cylinder III (111) is communicated with the oil cylinder I (73) and the oil cylinder II (88) on the same side through pipelines, and hydraulic oil in the oil cylinder III (111) is driven to flow through the driving motor I (112) so that synchronous or independent expansion and contraction of the oil cylinder I (73) and the oil cylinder II (88) are realized.
  8. 8. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 7, wherein the oil cylinder III (111) comprises a cylinder body II (16), a piston rod II (17) and a piston column II (18), the piston rod II (17) is arranged on one side of the cylinder body II (16) in a penetrating mode, the piston column II (18) is arranged in the cylinder body II (16) and fixedly connected with one end of the piston rod II (17), the other end of the piston rod II (17) is fixedly connected with the output end of the driving motor I (112), the switching connecting cylinder (113) is sleeved on the middle of the piston rod II (17) in a threaded mode, and the driving motor I (112) drives the piston rod II (17) to rotate and axially move in cooperation with the switching connecting cylinder (113).
  9. 9. The aircraft ground assembly supporting platform with leveling and wind-resistant stable structure according to claim 8, further comprising a mechanical limiting assembly (19), wherein the mechanical limiting assembly is arranged on the outer side of the loop bar I (71) and matched with the adapter rod (104), the mechanical limiting assembly (19) comprises a sliding bar I (191), a spring II (192), a pin II (193) and a connecting bar I (194), the sliding bar I (191) is arranged on one side of the maintenance platform frame (1) in a sliding manner, the connecting bar I (194) is fixed on one end of the sliding bar I (191), the pin II (193) is fixed on the other end of the connecting bar I (194), jacks matched with the pin II (193) are formed in one sides of the loop bar I (71) and the lifting column I (72), the spring II (192) is sleeved on the outer wall of the sliding bar I (191) and two ends of the spring II (192) are respectively abutted against the connecting bar I (194) and the maintenance platform frame (1), when the supporting bar (74) at the bottom of the lifting column I (72) is in a sliding manner aligned with the driving travelling wheel (86), the adapter rod (104) is abutted against the foot plate (194), and the pin I (72) is inserted into the jacks to fix the lifting column (72).
  10. 10. The aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure according to claim 9, wherein a positioning plug hole (92) is formed in one side of the hanging support (91), a pin column III (196) is inserted into the positioning plug hole (92), and one side of the pin column III (196) and one side of the sliding rod I (191) are fixedly connected with the same connecting strip II (195).

Description

Aircraft ground assembly supporting platform with leveling and wind-resistant stable structure Technical Field The invention belongs to the technical field of movable lifting assembly platforms, and relates to an aircraft ground assembly support platform with a leveling and wind-resistant stable structure. Background When the aircraft is used for carrying out operations such as assembly, cabin door butt joint and external overhaul on the ground, a special supporting platform is needed to provide a stable operation carrier for operators, assembly tools and parts, and the equipment is needed to meet multiple use requirements such as mobile transition, height adjustment, horizontal correction, outdoor wind resistance, accurate butt joint and the like at the same time so as to adapt to complex ground working conditions of the airport and assembly operation requirements of different types. The aircraft ground supporting platform used in the current aviation manufacturing and maintenance scene adopts a traditional fixed steel frame structure or a simple movable lifting platform, has obvious technical limitations on structural design and functional configuration, is only provided with a basic universal walking wheel, can only realize the short-distance rough movement in the field, cannot finish micro accurate positioning adjustment between the platform and an aircraft cabin door, has high labor intensity of manual auxiliary alignment and is difficult to guarantee the docking precision. The aircraft assembly operation is carried out in outdoor airport environment more, and natural wind load can produce continuous impact to the platform structure, and current platform generally does not dispose special anti-wind stabilizing mean, only relies on self weight and bottom stabilizer blade to provide the support, and anti-capsizing ability is weaker, and the platform easily appears rocking, displacement even turns on one's side under the windy weather, can't satisfy the stability requirement of outdoor normalized operation. In addition, the short-distance movement and the long-distance transfer function of the existing platform are mutually split, the linkage locking design is lacking between the trailer connecting structure and the supporting legs, the problems that the supporting legs are not folded, the trailer hanging frame is blocked and the like easily occur during transfer transportation, the transfer efficiency is low, and the collision damage between the supporting structure and the ground is easily caused. Therefore, we propose an aircraft ground assembly support platform with a leveling and wind-resistant stabilizing structure for solving the above-mentioned problems. Disclosure of Invention In view of the above, the present invention provides an aircraft ground assembly support platform with a leveling and wind-resistant stabilizing structure. In order to achieve the purpose, the invention provides the following technical scheme that the aircraft ground assembly support platform with the leveling and wind-resistant stabilizing structure comprises: the maintenance platform frame is fixedly provided with a winch driving device at the top, an elevating goods elevator is arranged in the maintenance platform frame in a lifting manner, and the maintenance platform frame is provided with a butt joint connection table top and a safety crawling ladder; The four universal travelling wheels are respectively fixed at four corners of the bottom end of the maintenance platform frame through bolts and are used for realizing short-distance movement of the platform; the trailer connecting hanging frame is rotationally connected to one side of the maintenance platform frame through the hanging bracket and can be connected with an external trailer to realize long-distance transition of the platform; The two electric driving steering wheels are arranged at two sides of the maintenance platform frame in a diagonal lifting manner and are used for driving the maintenance platform frame to move in a trace manner so as to accurately butt-joint the aircraft; The four leveling supporting components are respectively arranged at four corners of the maintenance platform frame in a lifting manner, and contact with the ground after descending to limit and level the maintenance platform frame; the two groups of hydraulic driving assemblies are arranged on two sides of the overhaul platform frame and are used for driving the leveling supporting assemblies and the electric driving steering wheels to lift. As a further improvement of the above technical scheme: Leveling supporting component includes loop bar I, lifting column I and hydro-cylinder I, and loop bar I is fixed in the maintenance platform frame outside, and lifting column I sliding fit is in loop bar I, and hydro-cylinder I is fixed in loop bar I top, its output and lifting column I fixed connection drive lifting column I through hydro-cylinder I is flexible to go up and down, realiz