Fixed vertical tail dock for aircraft maintenance

By designing an aircraft maintenance fixed vertical tail dock including a flat tail platform part, a vertical tail platform part and a pull-out plate part, the problem that traditional mobile vertical tail dock cannot be approached at the same time on both sides of the aircraft is solved, and efficient maintenance operations and adaptability are achieved.

CN222539017UActive Publication Date: 2025-02-28深圳耀天齐技术服务有限公司
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Patent Information

Application Number
CN202520096564.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-02-28
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Traditional mobile vertical tail docks cannot approach both sides of the aircraft at the same time, resulting in cumbersome maintenance operations, wasting time and reducing maintenance efficiency.

Method used

An aircraft maintenance fixed vertical tail dock is designed, including a flat tail platform part, a vertical tail platform part and a pull-out plate part. The flat-tail platform part consists of two oppositely arranged flat-tail platform parts, and the vertical tail platform part is slidably arranged on the flat-tail platform part. The pull-out plate part adjusts the distance between the flat-tail platform part and the aircraft through the coordination of the pull-out plate and the pull-out shell.

Benefits of technology

It realizes the function of approaching both sides of the aircraft at the same time, simplifies maintenance operations, improves maintenance efficiency, and can adapt to aircraft of different altitudes, providing a multi-layer maintenance platform.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of vertical tail docks, in particular to a fixed vertical tail dock for aircraft maintenance, which is characterized in that two horizontal tail platform parts are arranged oppositely, support is provided for the vertical tail platform parts, a maintenance site is provided for workers, the vertical tail platform parts are arranged between the upper parts of the two horizontal tail platform parts in a sliding manner, and the vertical tail platform parts are fixed on the horizontal tail platform parts. The vertical fin platform part provides a maintenance station for workers; when the drawing plate is pulled out of the drawing shell, the distance between the horizontal tail platform part and the airplane is reduced, a maintenance site is provided for workers, when the drawing plate is pushed into the drawing shell, the distance between the horizontal tail platform part and the airplane is increased, the airplane can conveniently enter and exit the vertical tail dock, the horizontal tail stand column is lifted, the height of the horizontal tail platform part is increased accordingly, and the horizontal tail stand column is lowered. The height of the horizontal tail platform part is reduced so as to adapt to airplanes with different heights; when a worker stands on the first floor of the vertical fin platform, the second floor of the vertical fin platform and the third floor of the vertical fin platform, different height parts of an airplane can be maintained.
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Description

Technical Field

[0001] The utility model relates to the technical field of vertical tail docks, in particular to a vertical tail dock for aircraft maintenance. Background Art

[0002] The "mobile vertical tail dock" in aircraft maintenance refers to a specially designed, movable work platform or support structure used to support and fix the vertical tail (i.e. vertical tail) of the aircraft for maintenance, repair or inspection. The dock is designed to be movable and can be moved to different positions as needed to facilitate access to the vertical tail of the aircraft in different positions; in order to adapt to the height of the vertical tail of different types of aircraft, the mobile vertical tail dock is usually equipped with a lifting function that can be adjusted to a suitable working height; when in use, it must provide sufficient stability and safety to ensure that maintenance personnel can operate safely on the platform without causing damage to the aircraft.

[0003] The traditional mobile vertical tail dock can only change the distance from the aircraft but cannot change its own size. Especially when the aircraft is small, the mobile vertical tail dock cannot approach the aircraft on both sides at the same time. It can only repair one side of the aircraft first and then push the vertical tail dock closer to the other side of the aircraft. The operation is cumbersome, wastes time and reduces maintenance efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a fixed vertical tail dock for aircraft maintenance, so as to solve the problem in the related art that the mobile vertical tail dock cannot approach the aircraft at both sides of the aircraft at the same time.

[0005] In order to achieve the above-mentioned object, according to one aspect of the utility model, a fixed vertical tail dock for aircraft maintenance is provided, comprising: a horizontal tail platform portion, wherein the horizontal tail platform portions are two, and the two horizontal tail platform portions are arranged opposite to each other, providing support for the vertical tail platform portion and providing a maintenance site for workers;

[0006] A vertical tail platform portion, wherein the vertical tail platform portion is slidably disposed in the middle of the upper portions of the two horizontal tail platform portions, and the vertical tail platform portion provides a maintenance station for workers;

[0007] There are several pull-out plate parts, and the pull-out plate parts are all arranged on the inner side of the horizontal tail platform part. The pull-out plate part includes a pull-out shell and a pull-out plate. The pull-out plate is slidably arranged inside the pull-out shell. When the pull-out plate is pulled out of the pull-out shell, the distance between the horizontal tail platform part and the aircraft is reduced. When the pull-out plate is pushed into the pull-out shell, the distance between the horizontal tail platform part and the aircraft is increased.

[0008] Furthermore, the horizontal tail platform portion includes a plurality of horizontal tail columns, a platform group and a connecting group, the platform group includes a 7° platform and a connecting platform, the connecting group includes a follow-up ladder, a horizontal tail guardrail and a plurality of guide rails, the horizontal tail column includes a horizontal tail outer column, a horizontal tail inner column, a plurality of armrests and a base plate, the horizontal tail inner column is fixedly arranged on the upper surface of the base plate, the horizontal tail outer column is slidably arranged above the outer side of the horizontal tail inner column, the armrests are all fixedly arranged on the upper surface of the base plate and are located around the horizontal tail inner column, the armrests are all fixedly connected to the horizontal tail inner column, the follow-up ladder includes a step ladder, a plurality of directional casters, two step ladder guardrails and a platform connecting plate, the directional casters are all rotatably arranged at the bottom end of the step ladder, the step ladder guardrails are fixedly arranged above both sides of the step ladder, one side of the platform connecting plate is fixedly connected to the top of the step ladder, and the other side is fixedly connected to the connecting platform.

[0009] Furthermore, the horizontal tail columns are all fixed on the ground, the connecting platform is fixed on the top of the horizontal tail columns, the connecting platform is fixed on the inner side of the 7° platform, one end of the follower ladder is located on the ground, and the other end is hinged to the edge of the connecting platform, the horizontal tail guardrails are all fixed on the outer side of the 7° platform and the upper end of the connecting platform, and the guide rails are all fixed on the upper surface of the connecting platform.

[0010] Furthermore, the vertical tail platform portion includes a maintenance group, a vertical tail platform group and a number of guide wheel groups, the maintenance group includes a number of vertical tail columns, a number of vertical tail guardrails and a number of fixed escalators, the vertical tail platform group includes the first floor of the vertical tail platform, the second floor of the vertical tail platform and the third floor of the vertical tail platform, and the guide wheel group includes pulleys and a number of locking mechanisms.

[0011] Furthermore, the vertical tail columns are all fixedly arranged on the upper surface of the connecting platform, the second floor of the vertical tail platform is located above the first floor of the vertical tail platform, the third floor of the vertical tail platform is located above the second floor of the vertical tail platform, and the first floor of the vertical tail platform, the second floor of the vertical tail platform and the third floor of the vertical tail platform are all fixedly connected to the vertical tail columns.

[0012] Furthermore, a fixed escalator is fixedly provided between the first floor of the vertical tail platform and the second floor of the vertical tail platform for workers to go up and down between the first floor of the vertical tail platform and the second floor of the vertical tail platform, and a fixed escalator is fixedly provided between the second floor of the vertical tail platform and the third floor of the vertical tail platform for workers to go up and down between the second floor of the vertical tail platform and the third floor of the vertical tail platform.

[0013] Furthermore, vertical tail platform first floor, vertical tail platform second floor and vertical tail platform third floor are fixedly provided with vertical tail guardrails on the outer sides of the upper surfaces, the pulleys are rotatably arranged in the guide rails, and the locking mechanisms are fixedly arranged on both sides of the guide rails for locking the pulleys.

[0014] Furthermore, the pull-out plate portion also includes a baffle group, a locking mechanism and a cavity, and the baffle group includes a pull-out baffle and a D-shaped anti-collision strip.

[0015] Furthermore, the drawer shell is fixedly arranged on the inner side of the bottom surface of the connection platform, a cavity is opened in the drawer shell, and the drawer plate is located in the cavity and is slidably connected to the drawer shell.

[0016] Furthermore, the pull-out baffle is fixedly arranged on the outside of the pull-out plate, the D-shaped anti-collision strip is fixedly arranged on the outside of the pull-out baffle, the locking mechanism is fixedly arranged on the upper end of the side of the pull-out shell, and the D-shaped anti-collision strip is made of rubber to prevent the aircraft from hitting the platform.

[0017] Compared with the prior art, the utility model has the following beneficial effects: when the pull-out plate is pulled out of the pull-out shell, the distance between the horizontal tail platform part and the aircraft is reduced, providing a maintenance station for workers; when the pull-out plate is pushed into the pull-out shell, the distance between the horizontal tail platform part and the aircraft is increased, making it convenient for the aircraft to enter and exit the vertical tail dock; when the horizontal tail column is raised, the height of the horizontal tail platform part is raised accordingly; when the horizontal tail column is lowered, the height of the horizontal tail platform part is lowered accordingly, so as to adapt to aircraft of different heights; when workers stand on the first floor, the second floor and the third floor of the vertical tail platform respectively, they can repair parts of the aircraft at different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 For this utility model Figure 1 A partial enlargement of the middle A;

[0020] Figure 3 For this utility model Figure 1 A partial enlarged diagram of point B in the middle;

[0021] Figure 4 This is a schematic diagram of the structure of the utility model follower ladder;

[0022] Figure 5 It is a schematic diagram of the structure of the horizontal tail column of the utility model.

[0023] Illustration Description:

[0024] 1. Tail platform; 11. Tail column; 12. Follow-up ladder; 13. 7° platform; 14. Tail guardrail; 15. Connecting platform; 16. Guide rail; 111. Tail outer column; 112. Tail inner column; 113. Armrest; 114. Bottom plate; 121. Step ladder; 122. Fixed casters; 123. Step ladder guardrail; 124. Platform connecting plate;

[0025] 2. Vertical tail platform; 21. Vertical tail column; 22. Vertical tail platform first floor; 23. Vertical tail platform second floor; 24. Vertical tail platform third floor; 25. Vertical tail guardrail; 26. Fixed escalator; 27. Pulley; 28. Locking mechanism;

[0026] 3. Pull-out plate; 31. Pull-out shell; 32. Pull-out plate; 33. Pull-out baffle; 34. D-shaped anti-collision strip; 35. Locking mechanism; 36. Cavity. DETAILED DESCRIPTION

[0027] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0028] See also Figures 1 to 5 This embodiment provides a fixed vertical tail dock for aircraft maintenance, including: a horizontal tail platform portion 1, wherein there are two horizontal tail platform portions 1, and the two horizontal tail platform portions 1 are arranged opposite to each other, providing support for the vertical tail platform portion 2 and providing a maintenance site for workers;

[0029] The vertical tail platform part 2 is slidably arranged in the middle of the upper parts of the two horizontal tail platform parts 1, and the vertical tail platform part 2 provides a maintenance station for workers;

[0030] There are several pull-out plate parts 3, all of which are arranged on the inner side of the horizontal tail platform part 1. The pull-out plate part 3 includes a pull-out shell 31 and a pull-out plate 32. The pull-out plate 32 is slidably arranged inside the pull-out shell 31. When the pull-out plate 32 is pulled out of the pull-out shell 31, the distance between the horizontal tail platform part 1 and the aircraft is reduced. When the pull-out plate 32 is pushed into the pull-out shell 31, the distance between the horizontal tail platform part 1 and the aircraft is increased.

[0031] The horizontal tail platform part 1 includes a plurality of horizontal tail columns 11, a platform group and a connection group. The platform group includes a 7° platform 13 and a connection platform 15. The connection group includes a follower ladder 12, a horizontal tail guardrail 14 and a plurality of guide rails 16.

[0032] The horizontal tail column 11 comprises a horizontal tail outer column 111, a horizontal tail inner column 112, a plurality of support arms 113 and a bottom plate 114. The horizontal tail inner column 112 is fixedly arranged on the upper surface of the bottom plate 114, and the horizontal tail outer column 111 is slidably arranged above the outer side of the horizontal tail inner column 112. A hydraulic cylinder is arranged at the bottom of the horizontal tail inner column 112, and the top of the hydraulic cylinder is fixedly connected to the horizontal tail outer column 111. The hydraulic cylinder rises and falls, driving the horizontal tail outer column 111 to slide up and down along the horizontal tail inner column 112. When the horizontal tail outer column 11 When the horizontal tail column 111 slides upward, the horizontal tail column 111 rises. When the horizontal tail outer column 111 slides downward, the horizontal tail column 111 lowers. The support arms 113 are fixedly arranged on the upper surface of the bottom plate 114 and are located around the horizontal tail inner column 112. The support arms 113 are fixedly connected to the horizontal tail inner column 112. The support arms 113 increase the connection area between the horizontal tail inner column 112 and the bottom plate 114, and support the horizontal tail inner column 112 from all sides, thereby increasing the stability and mechanical strength of the horizontal tail inner column 112.

[0033] The follow-up ladder 12 includes a step ladder 121, a plurality of directional casters 122, two step ladder guardrails 123 and a platform connecting plate 124. The directional casters 122 are rotatably arranged at the bottom end of the step ladder 121 to facilitate the movement of the follow-up ladder 12. The step ladder guardrails 123 are fixedly arranged above both sides of the step ladder 121 to prevent workers from falling from the step ladder 121. One side of the platform connecting plate 124 is fixedly connected to the top of the step ladder 121, and the other side is fixedly connected to the connecting platform 15 to facilitate workers to enter the connecting platform 15 from the step ladder 121.

[0034] The horizontal tail columns 11 are fixed on the ground by chemical anchor bolts, the connecting platform 15 is fixed on the top of the horizontal tail column 11, the connecting platform 15 is fixed on the inner side of the 7° platform 13, one end of the follower ladder 12 is located on the ground, and the other end is hinged to the edge of the connecting platform 15, the horizontal tail guardrails 14 are fixed on the outer sides of the upper ends of the 7° platform 13 and the connecting platform 15, and the guide rails 16 are fixed on the upper surface of the connecting platform 15.

[0035] The vertical tail platform part 2 includes a maintenance group, a vertical tail platform group and several guide wheel groups. The maintenance group includes several vertical tail columns 21, several vertical tail guardrails 25 and several fixed escalators 26. The vertical tail platform group includes the first floor 22 of the vertical tail platform, the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform. The guide wheel group includes a pulley 27 and several locking mechanisms 28.

[0036] The locking mechanism 28 is composed of a locking block attached to the pulley 27 and a locking bolt for fixing the locking block. The locking block is tightly attached to the pulley 27 to cause it to slow down and stop, and the pulley 27 can be locked by fixing it to the guide rail 16 with the locking bolt.

[0037] The vertical tail columns 21 are all fixedly arranged on the upper surface of the connecting platform 15, the second floor 23 of the vertical tail platform is located above the first floor 22 of the vertical tail platform, and the third floor 24 of the vertical tail platform is located above the second floor 23 of the vertical tail platform. The first floor 22 of the vertical tail platform, the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform are all fixedly connected to the vertical tail columns 21.

[0038] A fixed escalator 26 is fixedly provided between the first floor 22 of the vertical tail platform and the second floor 23 of the vertical tail platform for workers to go up and down between the first floor 22 of the vertical tail platform and the second floor 23 of the vertical tail platform. A fixed escalator 26 is fixedly provided between the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform for workers to go up and down between the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform. A vertical tail guardrail 25 is fixedly provided on the outer side of the upper surface of the first floor 22 of the vertical tail platform, the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform. A pulley 27 is rotatably arranged in the guide rail 16, and a locking mechanism 28 is fixedly provided on both sides of the guide rail 16 for locking the pulley 27.

[0039] The drawer plate portion 3 further includes a baffle set, a locking mechanism 35 and a cavity 36 . The baffle set includes a drawer baffle 33 and a D-shaped anti-collision strip 34 .

[0040] The locking mechanism 35 is composed of a locking pin seat and a locking pin movably arranged inside the locking pin seat. The surface of the pull-out plate 32 is provided with a pin groove that is opposite to and matches the locking pin. The locking pin on the locking mechanism 35 is inserted into the pin groove on the surface of the pull-out plate 32 to lock the pull-out plate 32.

[0041] The pull-out shell 31 is fixedly arranged on the inner side of the bottom surface of the connecting platform 15, and a cavity 36 is opened in the pull-out shell 31. The pull-out plate 32 is located in the cavity 36 and is slidably connected to the pull-out shell 31. The pull-out baffle 33 is fixedly arranged on the outer side of the pull-out plate 32, and the D-shaped anti-collision strip 34 is fixedly arranged on the outer side of the pull-out baffle 33. The locking mechanism 35 is fixedly arranged on the upper end of the side of the pull-out shell 31.

[0042] In the initial state, the horizontal tail platform parts 1 on both sides are located outside the vertical tail platform parts 2, and the horizontal tail platform parts 1 have the largest distance, which is convenient for the aircraft to enter. When the aircraft enters between the horizontal tail platform parts 1 on both sides, the motor at the end of the pulley 27 is started, and the motor drives the pulley 27 to roll and move inward along the guide rail 16, so that the horizontal tail platform part 1 is close to the surface of the aircraft, which is convenient for workers to stand on the connecting platform 15 to repair the aircraft. When it is impossible to continue to reduce the distance between the horizontal tail platform part 1 and the aircraft surface by moving the horizontal tail platform part 1, the locking mechanism 35 is opened, and the pull-out baffle plate 33 is pulled out to pull out the pull-out plate 32 to provide a maintenance station for the workers; the horizontal tail column 11 is raised, and the height of the horizontal tail platform part 1 is raised accordingly; the horizontal tail column 11 is lowered, and the height of the horizontal tail platform part 1 is lowered accordingly to adapt to aircraft of different heights; when the workers stand on the first floor 22 of the vertical tail platform, the second floor 23 of the vertical tail platform and the third floor 24 of the vertical tail platform respectively, they can repair parts of the aircraft at different heights.

[0043] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fixed vertical tail dock for aircraft maintenance, characterized in that: include: A horizontal tail platform portion (1), wherein there are two horizontal tail platform portions (1), and the two horizontal tail platform portions (1) are arranged opposite to each other, providing support for the vertical tail platform portion (2) and providing a maintenance site for workers; A vertical tail platform portion (2), the vertical tail platform portion (2) being slidably disposed in the middle of the upper portions of the two horizontal tail platform portions (1), the vertical tail platform portion (2) providing a maintenance site for workers; A drawer plate portion (3), wherein there are a plurality of drawer plate portions (3), each of which is arranged inside a horizontal tail platform portion (1), and the drawer plate portion (3) comprises a drawer shell (31) and a drawer plate (32), wherein the drawer plate (32) is slidably arranged inside the drawer shell (31), and when the drawer plate (32) is pulled out of the drawer shell (31), the distance between the horizontal tail platform portion (1) and the aircraft is reduced, and when the drawer plate (32) is pushed into the drawer shell (31), the distance between the horizontal tail platform portion (1) and the aircraft is increased.

2. The aircraft maintenance fixed vertical tail dock according to claim 1, characterized in that: The horizontal tail platform portion (1) comprises a plurality of horizontal tail columns (11), a platform group and a connection group, wherein the platform group comprises a 7° platform (13) and a connection platform (15), the connection group comprises a follower ladder (12), a horizontal tail guardrail (14) and a plurality of guide rails (16), the horizontal tail column (11) comprises a horizontal tail outer column (111), a horizontal tail inner column (112), a plurality of armrests (113) and a bottom plate (114), the horizontal tail inner column (112) is fixedly arranged on the upper surface of the bottom plate (114), the horizontal tail outer column (111) is slidably arranged above the outer side of the horizontal tail inner column (112), and the armrests (113) are fixedly arranged on the bottom plate (114). The upper surface of the plate (114) is located around the horizontal tail inner column (112), the armrests (113) are fixedly connected to the horizontal tail inner column (112), the follower ladder (12) includes a step ladder (121), a plurality of directional casters (122), two step ladder guardrails (123) and a platform connecting plate (124), the directional casters (122) are rotatably arranged at the bottom end of the step ladder (121), the step ladder guardrails (123) are fixedly arranged above both sides of the step ladder (121), one side of the platform connecting plate (124) is fixedly connected to the top of the step ladder (121), and the other side is fixedly connected to the connecting platform (15).

3. The aircraft maintenance fixed vertical tail dock according to claim 2, characterized in that: The horizontal tail column (11) is fixed on the ground, the connecting platform (15) is fixed on the top of the horizontal tail column (11), the connecting platform (15) is fixed on the inner side of the 7° platform (13), one end of the follower ladder (12) is located on the ground, and the other end is hinged to the edge of the connecting platform (15), the horizontal tail guardrail (14) is fixed on the outer side of the upper end of the 7° platform (13) and the connecting platform (15), and the guide rail (16) is fixed on the upper surface of the connecting platform (15).

4. The aircraft maintenance fixed vertical tail dock according to claim 3, characterized in that: The vertical tail platform portion (2) comprises a maintenance group, a vertical tail platform group and a plurality of guide wheel groups, the maintenance group comprises a plurality of vertical tail columns (21), a plurality of vertical tail guardrails (25) and a plurality of fixed escalators (26), the vertical tail platform group comprises a vertical tail platform first floor (22), a vertical tail platform second floor (23) and a vertical tail platform third floor (24), and the guide wheel group comprises a pulley (27) and a plurality of locking mechanisms (28).

5. The aircraft maintenance fixed vertical tail dock according to claim 4, characterized in that: The vertical tail columns (21) are all fixedly arranged on the upper surface of the connecting platform (15); the second floor (23) of the vertical tail platform is located above the first floor (22) of the vertical tail platform; the third floor (24) of the vertical tail platform is located above the second floor (23) of the vertical tail platform; and the first floor (22) of the vertical tail platform, the second floor (23) of the vertical tail platform and the third floor (24) of the vertical tail platform are all fixedly connected to the vertical tail columns (21).

6. The aircraft maintenance fixed vertical tail dock according to claim 5, characterized in that: A fixed escalator (26) is fixedly provided between the first floor (22) of the vertical tail platform and the second floor (23) of the vertical tail platform for workers to go up and down between the first floor (22) of the vertical tail platform and the second floor (23) of the vertical tail platform; and a fixed escalator (26) is fixedly provided between the second floor (23) of the vertical tail platform and the third floor (24) of the vertical tail platform for workers to go up and down between the second floor (23) of the vertical tail platform and the third floor (24) of the vertical tail platform.

7. The aircraft maintenance fixed vertical tail dock according to claim 6, characterized in that: The outer sides of the upper surfaces of the first floor (22), the second floor (23) and the third floor (24) of the vertical tail platform are all fixedly provided with vertical tail guardrails (25); the pulleys (27) are rotatably arranged in the guide rails (16); and the locking mechanisms (28) are fixedly arranged on both sides of the guide rails (16) for locking the pulleys (27).

8. The aircraft maintenance fixed vertical tail dock according to claim 7, characterized in that: The drawable plate portion (3) further comprises a baffle group, a locking mechanism (35) and a cavity (36); the baffle group comprises a drawable baffle (33) and a D-shaped anti-collision strip (34).

9. The aircraft maintenance fixed vertical tail dock according to claim 8, characterized in that: The drawable shell (31) is fixedly arranged on the inner side of the bottom surface of the connection platform (15), a cavity (36) is provided in the drawable shell (31), and the drawable plate (32) is located in the cavity (36) and is slidably connected to the drawable shell (31).

10. The aircraft maintenance fixed vertical tail dock according to claim 9, characterized in that: The drawable baffle (33) is fixedly arranged on the outside of the drawable plate (32), the D-shaped anti-collision strip (34) is fixedly arranged on the outside of the drawable baffle (33), and the locking mechanism (35) is fixedly arranged on the upper end of the side surface of the drawable shell (31).