Electric lifting platform for assembling aero-engine core engine

Abstract

The utility model discloses an electric lifting platform for assembling an aero-engine core engine, which comprises a first electric lifting platform and a second electric lifting platform which are provided with guardrail components, and the first electric lifting platform and the second electric lifting platform are oppositely combined to form an accommodating space for placing the aero-engine core engine between the first electric lifting platform and the second electric lifting platform. The first electric lifting platform and the second electric lifting platform surround the aero-engine core engine in the middle containing space, the stability is high, and the requirement that multiple persons participate in work at the same time can be met; the guardrail assemblies are installed on the periphery of the maintenance platform, safety of maintenance personnel can be effectively guaranteed, the maintenance platform can rapidly ascend and descend to be close to all maintenance areas of an aero-engine core engine, production efficiency is improved, and the maintenance platform has a protection effect on aero-engine parts and is safe and reliable. The aero-engine parts are arranged in the center of the lifting platform, so that the possibility that the parts are accidentally touched and impacted can be effectively prevented, and the maintenance quality is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of ground equipment for aircraft engine maintenance, specifically referring to an electric lifting platform for assembling aircraft engine cores. Background Technology

[0002] During the disassembly, assembly, and maintenance of aero-engine core components, they are typically located at a certain height above the ground, requiring ground equipment such as ladders for assembly. Currently, workshops use ordinary ladders to access and perform maintenance work on the core components of a particular type of aero-engine. However, ordinary ladders are generally standard products purchased from the market, only fulfilling basic functions. They are not only unstable and prone to wobbling, but also have a fixed height and cannot be raised or lowered. Furthermore, the work surface is small, generally only allowing one person to stand, which is unsuitable for scenarios where multiple people work simultaneously. Utility Model Content

[0003] The purpose of this utility model is to provide an electric lifting platform for assembling aero-engine cores that is simple in structure, low in manufacturing cost, highly stable, electrically adjustable, and capable of supporting multiple people working simultaneously.

[0004] The purpose of this utility model is achieved through the following technical measures: an electric lifting platform for assembling an aero-engine core, characterized in that it includes a first electric lifting platform and a second electric lifting platform with guardrail components, the first electric lifting platform and the second electric lifting platform being coupled together to form an accommodating space for placing the aero-engine core between them.

[0005] This utility model features a first and a second electric lifting platform that encloses the aero-engine core within a central storage space, providing strong stability and allowing multiple people to work simultaneously. The platform is equipped with guardrails on all four sides, effectively ensuring the safety of maintenance personnel. Furthermore, the platform allows for rapid lifting and lowering to access various maintenance areas of the aero-engine core, significantly improving production efficiency. The platform also provides protection for aero-engine components, which are positioned at the very center of the lifting platform, effectively preventing accidental contact or impact and further enhancing maintenance quality.

[0006] The first and second electric lifting platforms of this utility model both include a base frame, a working platform, and a guardrail assembly installed on the working platform. The working platform is connected to the base frame through an electric lifting mechanism.

[0007] The base frames of the first and second electric lifting platforms of this invention are detachably connected.

[0008] The first electric lifting platform of this utility model includes a stair assembly and a fixed step. The base frame is provided with a mounting frame for installing the fixed step. The upper end of the stair assembly is connected to the working platform of the first electric lifting platform, and the lower end is connected to the fixed step. A warning angle aluminum is provided on the front side of the mounting frame.

[0009] The base frame of this utility model consists of a pair of horizontal tubes, a vertical square tube, and a pair of diagonal braces. One end of the pair of horizontal tubes is connected to both ends of the vertical square tube, and the two ends of the diagonal braces are fixed to the horizontal tubes and the vertical square tube to form a triangular structure. A stabilizer is connected to the horizontal tube.

[0010] The electric lifting mechanism of this utility model includes a column, a first sleeve that can be slidably installed on the column, a gearbox fixed to one side of the lower end of the first sleeve, and a drive motor. The upper end of the first sleeve is connected to the working platform. A rack is provided on the column along its height direction. The gear of the gearbox meshes with the rack. The power output shaft of the drive motor is connected to the transmission shaft of the gearbox.

[0011] The inner edge of the working platform of the first and second electric lifting platforms of this utility model is an arc-shaped edge, and a retractable movable pedal is installed on the inner edge of the working platform.

[0012] This utility model is equipped with universal casters on the base frame.

[0013] Compared with the prior art, the present invention has the following significant advantages:

[0014] (1) The first and second electric lifting platforms of this utility model enclose the core of the aero-engine in the central accommodating space, which has strong stability and can meet the needs of multiple people working at the same time.

[0015] (2) The present invention is equipped with guardrail components around the working platform, which can effectively ensure the safety of maintenance personnel. Moreover, the electric lifting mechanism can quickly lift and lower the platform to approach the maintenance areas of the aero-engine core, greatly improving production efficiency.

[0016] (3) This utility model has a protective function for aircraft engine parts. The aircraft engine parts are placed in the center of the lifting platform, which can effectively protect the parts from the possibility of accidental contact or impact, and further improve the maintenance quality.

[0017] (4) This utility model has a simple structure, low cost, and is easy to use. It can be applied to the core of different engine models, has a wide range of applications, and is suitable for widespread promotion and use. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the base frame of the first electric lifting platform of this utility model;

[0021] Figure 3 This is one of the structural schematic diagrams of the electric lifting mechanism of this utility model;

[0022] Figure 4 This is the second structural schematic diagram of the electric lifting mechanism of this utility model;

[0023] Figure 5 This is a schematic diagram of the transmission assembly between the drive device and the gearbox of this utility model;

[0024] Figure 6 This is one of the structural schematic diagrams of the working platform of the second electric lifting platform of this utility model (inverted state);

[0025] Figure 7a This is the second structural schematic diagram of the working platform of the second electric lifting platform of this utility model (inverted state).

[0026] Figure 7b yes Figure 6 A schematic diagram of the structure of the bracket of the working platform;

[0027] Figure 8 This is a structural schematic diagram of the guardrail component of this utility model;

[0028] Figure 9 It is along Figure 8 Sectional view of line AA in the middle;

[0029] Figure 10 This is a schematic diagram of the structure of the movable pedal of this utility model;

[0030] Figure 11 This is a cross-sectional view of the movable pedal of this utility model;

[0031] Figure 12 This is a structural schematic diagram of the slider mounting assembly of this utility model.

[0032] In the diagram: 1. Base frame; 11. Warning angle aluminum; 12. Swivel casters; 13. M6×30 socket head cap screw; 14. M6×105 socket head cap screw; 15. M10×25 head bolt; 16. M10×40 head bolt; 17. M6×110 head bolt; 18. M6-1 type non-metallic lock nut; 19. M10-1 type non-metallic lock nut; 110. Spring washer; 111. Flat washer; 112. Caster mounting plate; 113. Longitudinal square tube; 114. Diagonal brace; 115. Guide rail mounting tube; 116. Horizontal tube; 117. Pedal; 118. Rib plate; 119. Column connecting plate; 120. Stabilizer mounting plate; 121. First rectangular tube; 122. Guide rail plate 1. Sealing plate; 2. Column; 21. Rack; 22. First sleeve; 23. Slider; 24. Aluminum tube sleeve; 25. Gearbox assembly; 26. Base plate; 27. Drive shaft; 28. Limiting block; 29. ​​Slider mounting plate; 210. First pad; 211. Mounting plate; 212. Gearbox spacer; 213. M8×25 socket head cap screw; 214. M8×110 socket head cap screw; 215. M8 thin nylon locking nut; 216. M8×30 ​​hex bolt; 217. M8×25 hex bolt; 218. M6×16 hex bolt; 219. M6×20 hex bolt; 220. M12×45 hex bolt; 221. M12-1 type non-metallic locking screw 1. Female; 222, 10×63 ordinary type A flat key; 223, 8×25 ordinary type A flat key; 3. Stabilizer; 4. Transmission assembly; 41. Custom commutator; 42. Guomao reducer; 43. Coupling sleeve; 44. 90S-B14 three-phase brake motor; 45. GY type flange coupling; 46. Bearing with vertical seat; 47. Plum blossom coupling; 48. 4×25 flat key; 49. 6×25 ordinary type A flat key; 410. 12×70 ordinary type A flat key; 411. M4×16 socket head cap screw; 412. M6×6 socket head cap set screw; 5. Working platform; 51. Connecting plate; 52. Connecting angle aluminum; 53. M6×35 hex countersunk head screw; 54. M10×20 external hex bolt; 55. M8×25 socket head cap screw; 56. M8×100 hex bolt; 57. M8×105 hex bolt; 58. M10×45 hex bolt; 59. M10 square nut; 510. M8-1 type non-metallic lock nut; 511. Side square; 512. Side plate; 513. Second rectangular tube; 514. Pedal side square; 515. Patterned plate; 6. Bracket; 61. Square tube; 62. Commutator mounting plate; 63. Gearbox mounting plate; 64. Connecting strip; 65. Bearing seat mounting plate; 66. Frame plate; 7. Guardrail assembly; 71. Guardrail; 72. Angle aluminum; 73. Aluminum plate; 74. Guardrail fence; 8. Movable pedal; 81. Movable pedal body; 82. Pressure plate; 83. Anti-collision rubber strip;84. Lightweight square rear slider; 85. 180° rotating handle; 86. M5×30 socket head cap screw; 87. ST5.5×19 Phillips head countersunk self-tapping screw; 88. M8×35 hex bolt; 89. M5-1 type non-metallic lock nut; 810. M10 square nut; 9. Staircase assembly; 10. Slider mounting assembly; 101. Low hinge seat; 102. High hinge seat; 103. Slider connecting plate; 104. 50×50×3 angle aluminum; 105. Linear slider; 106. M5×16 socket head cap countersunk screw; 107. 4×36 cotter pin; 108. Type B 20×45 pin; 20. First electric lifting platform; 30. Second electric lifting platform; 40. Accommodation space; 50. Fixed footboard. Detailed Implementation

[0033] The present invention will now be described in detail with reference to the embodiments and accompanying drawings to help those skilled in the art better understand the inventive concept of the present invention. However, the scope of protection of the claims of the present invention is not limited to the following embodiments. For those skilled in the art, all other embodiments obtained without creative effort without departing from the inventive concept of the present invention are within the scope of protection of the present invention.

[0034] like Figures 1-12 As shown, this utility model discloses an electric lifting platform for assembling an aero-engine core, including a first electric lifting platform 20 and a second electric lifting platform 30. The first electric lifting platform 20 and the second electric lifting platform 30 are coupled together to form an accommodating space 40 for placing the aero-engine core.

[0035] Both the first electric lifting platform 20 and the second electric lifting platform 30 include a base frame 1, a working platform 5, and a guardrail assembly 7 installed on the working platform 5. The working platform 5 is connected to the base frame 1 through an electric lifting mechanism.

[0036] The first electric lifting platform 20 includes a stair assembly 9 and a fixed step 50. The base frame 1 is provided with a mounting frame for installing the fixed step 50. The upper end of the stair assembly 9 is connected to the working platform 5 of the first electric lifting platform 20, and the lower end is connected to the fixed step 50. A warning angle aluminum 11 is provided on the front side of the mounting frame.

[0037] The base frame 1 consists of a pair of horizontal tubes 116, a vertical square tube 113 and a pair of diagonal braces 114. One end of the pair of horizontal tubes 116 is connected to both ends of the vertical square tube 113 respectively. The two ends of the diagonal braces 114 are fixed on the horizontal tubes 116 and the vertical square tube 113 to form a triangular structure. A stabilizer 3 is connected to the horizontal tubes 116.

[0038] The electric lifting mechanism includes a column 2, a first sleeve 22 slidably mounted on the column 2, a gearbox 25 fixed to one side of the lower end of the first sleeve 22, and a drive motor 44. The upper end of the first sleeve 22 is connected to the working platform 5. A rack 21 is provided on the column 2 along its height direction. The gear of the gearbox 25 meshes with the rack 21. The power output shaft of the drive motor 44 is connected to the transmission shaft of the gearbox 25.

[0039] The inner edge of the working platform 5 of the first electric lifting platform 20 and the second electric lifting platform 30 is an arc-shaped edge, and a retractable movable step 8 is installed on the inner edge of the working platform 5.

[0040] The base frame 1 is equipped with swivel casters 12.

[0041] The specific composition and structure of this utility model are as follows:

[0042] See Figure 2 The base frame 1 includes warning angle aluminum 11, iron core polyurethane universal casters 12, M6×30 socket head cap screws 13, M6×105 socket head cap screws 14, M10×25 hex bolts 15, M10×40 hex bolts 16, M6×110 hex bolts 17, M6-1 type non-metallic lock nuts 18, M10-1 type non-metallic lock nuts 19, spring washers 110, flat washers 111, caster mounting plates 112, 80×6 longitudinal square tubes 113, diagonal braces 114, guide rail mounting tubes 115, horizontal tubes 116, pedals 117, stiffening plates 118, column connecting plates 119, stabilizer mounting plates 120, a first rectangular tube of 80×56×4×2 specifications 121, guide rail plates 122, and sealing plates 123. The base frame 1 includes the base frame of the first electric lifting platform 20 and the base frame of the second electric lifting platform 30. Taking the base frame of the first electric lifting platform 20 with stairs and fixed steps as an example, the specific structure of the base frame 1 of the first electric lifting platform 20 is described in detail: the horizontal tube 116, the first rectangular tube 121, and the longitudinal square tube 113 serve as the main load-bearing structure of the work platform. The diagonal brace 114 connects the horizontal tube 116 and the longitudinal square tube 113, forming a triangular structure to improve the stability of the platform. The stabilizer 3 is connected to the horizontal tube 116 through the stabilizer mounting plate 120. The iron core polyurethane universal casters 12... The guide rail mounting tube 115 and the pedal 117 are fixed to the bottom of the horizontal tube 116 by M10-1 type non-metallic locking nut 19, M10×25 external hex bolt 15 and spring washer 110. The guide rail mounting tube 115 and the pedal 117 are connected to the outside of the vertical square tube 113 by M6-1 type non-metallic locking nut 18 and M6×30 internal hex socket head cap screw 13. The guide rail plate 122 and the warning angle aluminum 11 are installed above the horizontal tube 116. The base frame of the first electric lifting platform 20 and the base frame of the second electric lifting platform 30 are connected by sealing plate 123 and stiffening plate 118 so that the base frames of the two electric lifting platforms are detachably connected.

[0043] See Figure 3 and Figure 4 The column 2 includes a rack 21, a first sleeve 22, a slider 23, an aluminum tube sleeve 24, a gearbox assembly 25, a base plate 26, a drive shaft 27, a limit block 28, a slider mounting plate 29, a first pad 210, a mounting plate 211, a gearbox spacer 212, an M8×25 socket head cap screw 213, an M8×110 socket head cap screw 214, an M8 thin nylon locking nut 215, an M8×30 ​​hex bolt 216, an M8×25 hex bolt 217, an M6×16 hex bolt 218, an M6×20 hex bolt 219, an M12×45 hex bolt 220, an M12-1 type non-metallic locking nut 221, a 10×63 ordinary type A flat key 222, and an 8×25 ordinary type A flat key 223. A rack 21 is mounted on a column 2 and extends along the height of the column 2. A mounting plate 211 opposite the rack 21 is connected to the column 2 by an M8×25 socket head cap screw 213. An M12-1 type non-metallic lock nut 221 and an M12×45 external hex bolt 220 are used to fix the bottom of the column 2. A gearbox assembly 25 is fitted onto the column 2 and separated by a gearbox spacer 212. A drive shaft 27 is connected to the gearbox assembly 25 through a base plate 26. A first pad 210 is fixed above the gearbox assembly 25. A slider 23 and an aluminum tube sleeve 24 are fixed to the rear side of the gearbox assembly 25 by an M6×20 external hex bolt 219 and an M6×16 external hex bolt 218. A sleeve 22 is welded to the top of the gearbox assembly 25. A slider mounting plate 29 is connected to the first sleeve 22. A limit block 28 is connected to the top of the column 2 by an M8 thin nylon locking nut 215.

[0044] See Figure 5 The drive motor and gearbox are connected by a transmission assembly, which includes a custom commutator 41, a drive shaft 27, a Guomao reducer 42, a coupling sleeve 43, a 90S-B14 three-phase brake motor 44, a GY type flange coupling 45, a bearing with a vertical seat 46, a plum blossom coupling 47, a 4×25 flat key 48, a 6×25 ordinary flat key type A 49, a 12×70 ordinary flat key type A 410, an M4×16 socket head cap screw 411, and an M6×6 socket head cap set screw 412. One end of the drive shaft 27 is connected to the gearbox, and the other end is connected to the Guomao reducer 42. The coupling retainer 43 is connected to the Guomao reducer 42 via a 4×25 flat key 48. The vertical bearing 46 connects the coupling retainer 43 and the plum blossom coupling 47. The custom commutator 41 is connected to the 90S-B14 three-phase brake motor 44 via an M4×16 socket head cap screw 411 and an M6×6 socket head cap set screw 412. The GY type flange coupling 45 is connected to the Guomao reducer 42 on the other side.

[0045] See Figure 6 , Figure 7a The working platform 5 includes a connecting plate 51, a connecting angle aluminum 52, an M6×35 hex countersunk screw 53, an M10×20 external hex bolt 54, an M8×25 internal hex socket head cap screw 55, an M8×100 external hex bolt 56, an M8×105 external hex bolt 57, an M10×45 external hex bolt 58, an M10 square nut 59, an M8-1 type non-metallic lock nut 510, a side square 511, a side plate 512, a second rectangular tube 513, a sealing plate 123, a pedal side square 514, and a patterned plate 515. Side square 511 and side plate 512 are connected by M10 square nuts 59 and M10×20 hex bolts 54. Connecting angle aluminum 52 is connected to the bottom of side plate 512. Pedal side square 514 is connected to the bottom of work platform 5 by M8-1 type non-metallic lock nut 510 and M6×35 hex countersunk screw 53. Patterned plate 515 is connected above pedal side square 514. Connecting plate 51 is connected to the outside of second rectangular tube 513 by M8×105 hex bolts 57.

[0046] See Figure 7b A bracket 6 is provided below the working platform 5. The bracket 6 includes a square tube 61, a commutator mounting plate 62, a reducer mounting plate 63, a connecting strip 64, a bearing housing mounting plate 65, and a frame plate 66. The reducer mounting plate 63, the bearing housing mounting plate 65, and the commutator mounting plate 62 are connected to the square tube 61 via the connecting strip 64. The square tube 61 is connected to the frame plate 66 via the bearing mounting plate 65.

[0047] See Figure 8 and Figure 9 The guardrail assembly 7 includes a guardrail 71, an angle aluminum 72, an aluminum plate 73, and a guardrail fence 74. The guardrail fence 74 is connected to the guardrail 71, and the guardrail 71 is connected to the work platform 5 through the angle aluminum 72 and the aluminum plate 73.

[0048] Staircase component 9 includes the left side beam weldment, the right side beam weldment, the upper beam, the stair tread assembly, the stair brace, the second pad, the stair connecting plate, the stair railing base, the stair railing fence, the hinge plate, the swivel sleeve, the stair railing base pressure plate, the spacer, the second sleeve, the stair railing, the large washer, the M8×8 socket head cap screw, the M8×80 hex bolt, the socket head cap countersunk screw, the 40×40×5 angle aluminum, the linear guide, the linear guide accordion cover, the M6×20 hex bolt, the M6×100 socket head cap screw, the M8×40 hex bolt, the M8×60 hex bolt, the M8×65 hex bolt, and the M6 ​​thin nylon locknut. The welded parts of the left and right side beams of the staircase are connected to the stair tread assembly via a staircase connecting plate. The warning angle aluminum is connected to the stair tread assembly. The upper beam of the staircase is connected to the staircase connecting plate. The hinge plate is connected to the staircase connecting plate via M8×65 hex bolts. The staircase railing seat is connected to the staircase railing seat pressure plate. The linear guide accordion cover is connected to the lower part of the upper beam of the staircase. The linear guide rail is connected to the linear guide accordion cover.

[0049] See Figure 12 The slider mounting assembly 10 is installed at the lower end of the stair assembly 9. The slider mounting assembly 10 includes a low hinge seat 101, a high hinge seat 102, a slider connecting plate 103, a 50×50×3 angle aluminum 104, a linear slider 105, an M5×16 socket head cap screw 106, a 4×36 cotter pin 107, and a B-type 20×45 pin 108. The linear slider 105 is connected to the 50×50×3 angle aluminum 104 through the slider connecting plate 103. The low hinge seat 101 is connected to the slider connecting plate 103 through the M5×16 socket head cap screw 106. The 4×36 cotter pin 107 and the B-type 20×45 pin 108 are fixed on the high hinge seat 102, which is connected to the linear slider 105.

[0050] See Figure 10 and Figure 11 The retractable movable pedal 8 is installed on the inner edge of the work platform 5. The movable pedal 8 includes a movable pedal body 81, a pressure plate 82 connected to the end of the movable pedal body 81, an anti-collision rubber strip 83 set on the pressure plate 82, a lightweight side square rear slider 84 installed on the movable pedal body 81, a 180° rotating handle 85 fixed on the pedal, an M5×30 socket head cap screw 86 and an M5-1 type non-metallic lock nut 89 for fixing the pressure plate 82, an M8×35 external hex bolt 88 installed on the lightweight side square rear slider 84, and an ST5.5×19 cross countersunk self-tapping screw 87 and an M10 square nut 810 for fixing the 180° rotating handle 85.

Claims

1. An electric lift platform for assembling an aeroengine core engine, characterized in that: It includes a first electric lifting platform and a second electric lifting platform with guardrail assemblies, which are coupled together to form an accommodating space for placing the core of an aero-engine.

2. The electric lift platform for assembling an aeroengine core engine according to claim 1, characterized in that: Both the first and second electric lifting platforms include a base frame, a working platform, and a guardrail assembly installed on the working platform. The working platform is connected to the base frame via an electric lifting mechanism.

3. The electric lift platform for assembling an aeroengine core engine according to claim 2, characterized in that: The base frames of the first and second electric lifting platforms are detachably connected.

4. The electric lift platform for assembling an aeroengine core engine according to claim 3, characterized in that: The first electric lifting platform includes a stair assembly and a fixed step. The base frame is provided with a mounting frame for installing the fixed step. The upper end of the stair assembly is connected to the working platform of the first electric lifting platform, and the lower end is connected to the fixed step. A warning angle aluminum is provided on the front side of the mounting frame.

5. The electric lift platform for assembling an aeroengine core engine according to claim 4, characterized in that: The base frame consists of a pair of horizontal tubes, a vertical square tube, and a pair of diagonal braces. One end of the pair of horizontal tubes is connected to both ends of the vertical square tube, and the two ends of the diagonal braces are fixed to the horizontal tubes and the vertical square tube to form a triangular structure. A stabilizer is connected to the horizontal tube.

6. The electric lift platform for assembling an aeroengine core engine according to claim 5, characterized in that: The electric lifting mechanism includes a column, a first sleeve slidably mounted on the column, a gearbox fixed to one side of the lower end of the first sleeve, and a drive motor. The upper end of the first sleeve is connected to the working platform. A rack is provided on the column along its height direction. The gears of the gearbox mesh with the rack. The power output shaft of the drive motor is connected to the transmission shaft of the gearbox.

7. The electric lift platform for assembling an aeroengine core engine according to claim 6, characterized in that: The inner edge of the working platform of the first electric lifting platform and the second electric lifting platform is an arc-shaped edge, and a retractable movable pedal is installed on the inner edge of the working platform.

8. The electric lift platform for assembling an aeroengine core engine according to claim 7, characterized in that: The base frame is equipped with swivel casters.

Images