A docking adjustment mechanism for an aircraft towing rod

By designing an aircraft towing rod docking adjustment mechanism that uses telescopic parts to drive the connecting rod and slider to move, the problems of cumbersome and safety risks of towing rod docking in the prior art are solved, and rapid docking and fine-tuning of the towing rod are realized, and operation convenience and safety are improved.

CN113277108BActive Publication Date: 2025-03-28HUBEI DONGHAN AIRPORT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202110734220.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-06-30
Publication Date
2025-03-28
Estimated Expiration
2041-06-30

AI Technical Summary

Technical Problem

The docking and adjustment process of existing aircraft towing rods is complicated and requires dedicated observation and command. It poses safety risks and has high labor intensity.

Method used

A docking adjustment mechanism for the aircraft towing rod is designed. The swing and movement of the connecting rod and slider are driven by the telescopic member to achieve rapid docking and fine-tuning of the towing rod, reducing the need for manual operation.

Benefits of technology

It improves the convenience of connecting the aircraft towing rod and the aircraft towing vehicle and the aircraft, reduces the working time of staff at the rear of the vehicle, and improves operational safety.

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Abstract

The present invention provides a docking adjustment mechanism for an aircraft traction rod, and belongs to the technical field of aircraft traction equipment. It solves technical problems such as the trouble of connecting the traction rod with a tractor and an aircraft. The docking adjustment mechanism for the aircraft traction rod comprises a fixed rod fixedly connected to the traction rod and a connecting rod 1 and a connecting rod 2 connected to one side of the fixed rod, one end of the connecting rod 1 and the connecting rod 2 are hinged with a slider, and the slider is fixedly connected through a slider connecting plate, a telescopic part 1 is provided between the slider connecting plate and the connecting rod 1, a fixed seat fixed on the frame is connected to the slider, and the fixed seat is fixedly connected through a fixed seat connecting plate, a telescopic part 2 capable of moving the slider up and down is provided on the fixed seat connecting plate, a fine-tuning fork connected to the connecting rod 1 is hinged on the fixed rod, and a telescopic part 3 capable of moving the fine-tuning fork along its length direction is provided on the connecting rod 1. In the present invention, the traction rod is fixed on the tractor, and the docking of the aircraft and the traction rod can be achieved by using the telescopic parts 1, 2 and 3, which is very convenient.
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Description

Technical Field

[0001] The invention belongs to the technical field of aircraft towing equipment and relates to a docking adjustment mechanism for an aircraft towing rod. Background Art

[0002] The existing aircraft tow bar is generally independently set. When the tow bar is needed, the aircraft tow vehicle needs to drag the aircraft tow bar to the side of the aircraft, then remove the aircraft tow bar, dock the aircraft tow bar with the aircraft, adjust the horizontal position of the aircraft tow bar, then move the tow vehicle, dock the tow bar with the tow vehicle, and then start to tow the aircraft; the docking action of the tow bar is observed, directed, and docked by a dedicated person, which is very troublesome, and the labor intensity of the docking personnel is high. The operation and command need to work at the rear of the vehicle, which poses certain safety risks.

[0003] Our country's patent (announcement number: CN212047937U; announcement date: 2020-12-01) discloses an aircraft traction rod with adjustable height, including a traction rod body, a movable frame and a traction structure. The movable frame is U-shaped, and rollers are rotatably arranged on the outer sides of the movable frame. An adjusting motor is arranged on the top of the movable frame, and an adjusting motor is arranged at the front end of the shaft of the adjusting motor. Two groups of sliding cavities are symmetrically dug on the inner edge of the movable frame, and an adjustment structure is arranged in the sliding cavity of the movable frame. A slider is slidably arranged inside the sliding cavity, and a group of traction rod bodies is arranged between the two groups of sliders. A fixed rod is vertically fixed to the top of one end of the traction rod body, and a traction structure is arranged at the other end of the traction rod body.

[0004] The aircraft towing rod with adjustable height disclosed in the above patent document still needs to be removed from the aircraft towing vehicle when in use, and the staff needs to adjust the position of the aircraft towing rod at the rear of the vehicle so that it can be docked with the aircraft, which is very troublesome. Summary of the invention

[0005] The present invention aims at the above problems existing in the prior art and provides a docking adjustment mechanism for an aircraft towing rod. The technical problem to be solved by the present invention is: how to improve the convenience of connecting the aircraft towing rod with the aircraft towing vehicle and the aircraft.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A docking adjustment mechanism for an aircraft towing rod, comprising a fixing rod fixedly connected to the towing rod, characterized in that the fixing rod is arranged on one side of the towing rod along the length direction of the towing rod, the fixing rod is connected with a connecting rod 1 and a connecting rod 2 extending toward a side away from the towing rod, one end of the connecting rod 2 is hinged on the fixing rod, one end of the connecting rod 1 away from the fixing rod and one end of the connecting rod 2 away from the fixing rod are both hinged with a slider, the two sliders are fixedly connected by a slider connecting plate, the slider connecting plate is connected with a slider that can drive the connecting rod 1 to rotate A telescopic part 1 swings at a hinge point with the corresponding slider, each of the sliders is connected to a fixed seat fixed on the tractor frame, the two fixed seats are connected by a fixed seat connecting plate, and the fixed seat connecting plate is provided with a telescopic part 2 that can drive the two sliders to move up and down on the corresponding fixed seats, a fine-adjustment fork connected to one end of the connecting rod is hinged on the fixed rod, and a telescopic part 3 is fixed on the connecting rod that can make the fine-adjustment fork reciprocate along its length direction and drive the fixed rod to swing around the hinge point with the connecting rod 2.

[0008] Its working principle is as follows: the movement of telescopic member 1 in the technical solution can make connecting rod 1 swing around the hinge point between it and the corresponding slider, thereby driving connecting rod 2 to swing around the hinge point between it and the corresponding slider, and the fixed rod and the traction rod can move on the frame with connecting rod 1 and connecting rod 2. When the traction rod needs to be used, telescopic member 1 drives connecting rod 1 to swing until connecting rod 1 and connecting rod 2 are both perpendicular to the fixed rod. At this time, the traction rod is moved to the longitudinal center line of the tractor, and the movement of telescopic member 2 can drive the slider to move up and down on the fixed seat, so that connecting rod 1, connecting rod 2, fixed rod and traction rod move up and down with the slider, and finally the purpose of aligning the groove at the end of the aircraft traction rod with the aircraft traction shaft is achieved. If the aircraft traction shaft and the groove at the end of the aircraft traction rod have axial deviation, the telescopic member The third can drive the fine-tuning fork to move along the length direction of the connecting rod one to make the fixed rod swing around the hinge point between it and the connecting rod two, so as to achieve the purpose of fine-tuning the angle of the aircraft traction rod. The telescopic part one and the telescopic part two can be used to adjust the up and down and front and back positions of the aircraft traction rod. The telescopic part three can be used to fine-tune the angle of the traction rod, so as to achieve the purpose of accurate docking of the aircraft traction rod and the aircraft traction shaft, thereby improving the convenience of connecting the traction rod and the aircraft traction shaft. Here, the fixed seat is fixed on the frame of the tractor, so there is no need to remove the traction rod from the tractor when using it, that is, there is no need to connect the tractor and the traction rod, which saves time and the staff do not need to work at the rear of the vehicle for a long time, thereby improving the safety of the staff when towing the aircraft.

[0009] In the above-mentioned docking adjustment mechanism of the aircraft traction rod, a connecting rod 3 is provided between the connecting rod 1 and the connecting rod 2 along the length direction of the fixed rod, a through hole 1 is provided on the connecting rod 1 and a connecting pin 1 is inserted into the through hole 1, a through hole 2 is provided on the connecting rod 2 and a connecting pin 2 is inserted into the through hole 2, one end of the connecting rod 3 is connected to the connecting rod 1 through the connecting pin 1, and the other end of the connecting rod 3 is connected to the connecting rod 2 through the connecting pin 2. The connecting rod 3, the connecting rod 1, the connecting rod 2 and the fixed rod form a four-bar linkage, which improves the stability of the movement of the fixed rod and the traction rod when the telescopic member 1 is in motion.

[0010] In the above-mentioned docking adjustment mechanism of the aircraft traction rod, the middle part of one side of the connecting rod 1 has an extension part extending outward, the shell of the telescopic member 1 is connected to the slider connecting plate and the output end of the telescopic member 1 is positioned at the end of the extension part, the shell of the telescopic member 3 is fixedly connected to the extension part, and the output end of the telescopic member 3 is fixed to the fine-tuning fork. The extension part is arranged on the connecting rod 1 to facilitate the installation of the telescopic member 1 and the telescopic member 3.

[0011] In the above-mentioned docking adjustment mechanism of the aircraft towing rod, a mounting hole extending inward is opened in the middle of one end of the connecting rod 1 close to the fixed rod, and the fine-tuning fork includes a rod portion inserted in the mounting hole, one end of the rod portion passes through the mounting hole and has a U-shaped fork portion connected to the fixed rod, one side of the U-shaped fork portion has a mounting portion extending outward, and the output end of the telescopic member 3 is fixed to the mounting portion. The structure of the fine-tuning fork facilitates its connection with the fixed rod, the connecting rod 1 and the telescopic member 3.

[0012] In the above-mentioned docking adjustment mechanism of the aircraft traction rod, a connecting bracket is fixed on the slider connecting plate, and the shell of the telescopic member 1 is hinged on the connecting bracket; a mounting bracket is fixed on the extension part, and the shell of the telescopic member 3 is fixed on the mounting bracket. The connection bracket is provided to facilitate the installation of the telescopic member 1, and the mounting bracket is provided to facilitate the fixing of the telescopic member 3 on the connecting rod 1.

[0013] In the above-mentioned docking adjustment mechanism of the aircraft towing rod, each of the fixing seats has a vertically arranged T-block on one side, and each of the sliding blocks has a T-slot that runs through the upper and lower sides and is provided for the T-block on the corresponding fixing seat to be inserted into. The arrangement of the T-block on the fixing seat and the arrangement of the T-slot on the sliding block can improve the stability and smoothness of the sliding block when it moves up and down.

[0014] In the above-mentioned docking adjustment mechanism of the aircraft traction rod, one side of the slider corresponding to the first connecting rod and one side of the slider corresponding to the second connecting rod both have a connecting portion extending outward, a vertically arranged pin is passed through the connecting portion, a mounting groove 1 extending inward and capable of penetrating both sides is opened in the middle of one end of the first connecting rod, the connecting portion on the slider corresponding to the first connecting rod can be embedded in the mounting groove 1, and the two ends of the corresponding pin pass through the two side groove walls of the first mounting groove and are respectively located on the upper and lower sides of the first connecting rod; a mounting groove 2 extending inward and capable of penetrating both sides is opened in the middle of one end of the second connecting rod, the connecting portion on the slider corresponding to the second connecting rod can be embedded in the mounting groove 2, and the two ends of the corresponding pin pass through the two side groove walls of the second mounting groove and are respectively located on the upper and lower sides of the second connecting rod. The connecting portion is arranged on the slider to facilitate the connection between the first connecting rod and the corresponding slider, and between the second connecting rod and the corresponding slider.

[0015] In the above-mentioned docking adjustment mechanism of the aircraft towing rod, the two ends of the slider connecting plate are respectively fixedly connected to the two sliders, and both ends of the slider connecting plate are provided with open grooves for the connecting parts on the corresponding sliders to be embedded. The connecting parts of the sliders are embedded in the open grooves to increase the contact area between the slider connecting rod plate and the slider, and improve the firmness of the connection between the two sliders and the slider connecting plate.

[0016] In the above-mentioned docking adjustment mechanism of the aircraft towing rod, the fixing rod is provided with a plurality of fixing sleeves extending toward the towing rod, and the plurality of fixing sleeves are arranged side by side and spaced apart along the length direction of the fixing rod and are all sleeved on the towing rod. The fixing sleeves are provided to facilitate the fixing rod and the towing rod to be fixedly connected together.

[0017] In the above-mentioned docking adjustment mechanism of the aircraft traction rod, the telescopic component 1 is a hydraulic oil cylinder, a gas cylinder or an electric cylinder; the telescopic component 2 is a hydraulic oil cylinder, a gas cylinder or an electric cylinder; the telescopic component 3 is a hydraulic oil cylinder, a gas cylinder or an electric cylinder. The hydraulic oil cylinder, the gas cylinder and the electric cylinder can all generate large thrust and pulling force when in action, which provides a guarantee for the traction rod to be able to quickly adjust its position.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1. The two fixing seats in the present invention are fixed on the frame of the tractor. When the traction rod needs to be used, the traction rod can be adjusted up and down, front and back and the angle by using the telescopic parts 1, 2 and 3. In this way, the traction rod and the traction shaft of the aircraft can be quickly connected, which is very convenient.

[0020] 2. In the present invention, only the staff needs to operate the telescopic member 1, the telescopic member 2 and the telescopic member 3, which reduces the time the staff spends working at the rear of the vehicle and improves the safety of the tractor towing the aircraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the docking adjustment mechanism of the aircraft towing rod.

[0022] Figure 2 It is a top view of the docking adjustment mechanism of the towing rod of this aircraft.

[0023] Figure 3 It is a left side view of the docking adjustment mechanism of the towing rod of this aircraft.

[0024] Figure 4 This is a schematic diagram of the structure of the connecting rod 1 in the docking adjustment mechanism of the aircraft towing rod Figure 1 .

[0025] Figure 5 This is a schematic diagram of the structure of the connecting rod 1 in the docking adjustment mechanism of the aircraft towing rod Figure 2 .

[0026] Figure 6 It is a structural schematic diagram of a fine-tuning fork in a docking adjustment mechanism of a towing rod of the aircraft.

[0027] Figure 7 It is a structural schematic diagram of the connecting rod 2 in the docking adjustment mechanism of the aircraft towing rod.

[0028] Figure 8 The utility model is a structural schematic diagram of a slide block in a docking adjustment mechanism of a towing rod of the aircraft.

[0029] Fig. 9 The present invention is a structural schematic diagram of a fixing seat in a docking adjustment mechanism of a towing rod of the aircraft.

[0030] Fig.10 The utility model is a structural schematic diagram of a slider connecting plate in a docking adjustment mechanism of a towing rod of the aircraft.

[0031] In the figure, 1, fixing rod; 2, connecting rod one; 2a, through hole one; 2b, extension part; 2c, mounting hole; 2d, mounting slot one; 3, connecting rod two; 3a, through hole two; 3b, mounting slot two; 4, slider; 4a, T-slot; 4b, connecting part; 5, slider connecting plate; 5a, opening slot; 6, telescopic part one; 7, fixed seat; 7a, T-block; 8, fixed seat connecting plate; 9, telescopic part two; 10, fine-tuning fork; 10a, rod; 10b, U-shaped fork; 10c, mounting part; 11, telescopic part three; 12, connecting rod three; 13, connecting pin one; 14, connecting pin two; 15, connecting bracket; 16, mounting bracket; 17, pin shaft; 18, fixing sleeve. DETAILED DESCRIPTION

[0032] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0033] like Figures 1 to 9 As shown, the docking adjustment mechanism of the aircraft towing rod in this embodiment includes a fixing rod 1 arranged along the length direction of the towing rod, the fixing rod 1 is located at one side of the towing rod, and the fixing rod 1 is provided with a plurality of fixing sleeves 18 extending toward one side of the towing rod, and the plurality of fixing sleeves 18 are arranged side by side and spaced along the length direction of the fixing rod 1, and the plurality of fixing sleeves 18 are sleeved on the towing rod for fixing the towing rod on the fixing rod 1, and the number of fixing sleeves 18 is three here, and a connecting rod 1 2 and a connecting rod 2 3 are provided on the side of the fixing rod 1 away from the towing rod, and a connecting rod 1 2 and a connecting rod 2 3 are also provided between the connecting rod 1 2 and the connecting rod 2 3 along the length direction of the fixing rod 1. The connecting rod 3 12 has a spacing between the connecting rod 3 12 and the fixed rod 1, a through hole 1 2a is opened on the connecting rod 1 2, and a connecting pin 1 13 is inserted in the through hole 1 2a, and a through hole 2 3a is opened on the connecting rod 2 3, and a connecting pin 2 14 is inserted in the through hole 2 3a, one end of the connecting rod 3 12 is connected to the connecting rod 1 2 through the connecting pin 1 13, and the other end of the connecting rod 3 12 is connected to the connecting rod 2 3 through the connecting pin 2 14, and the connecting rod 1 2 and the connecting rod 2 3 are arranged side by side along the length of the fixed rod 1, and a fine-tuning fork 10 is hinged on the fixed rod 1, and the fine-tuning fork 10 is connected to one end of the connecting rod 1 2, and one end of the connecting rod 2 3 is hinged On the fixed rod 1, the other end of the connecting rod 1 2 and the other end of the connecting rod 2 3 are both hinged with a slider 4, each slider 4 is connected to a fixed seat 7, the two sliders 4 are fixedly connected by a slider connecting plate 5, the two fixed seats 7 are fixedly connected by a fixed seat connecting plate 8, a connecting bracket 15 is fixed on the slider connecting plate 5, and a telescopic member 6 is connected to the connecting bracket 15. The telescopic member 6 is a hydraulic cylinder, a cylinder or an electric cylinder. The shell of the telescopic member 6 is hinged to the connecting bracket 15, and one side of the connecting rod 2 has an extension portion 2b extending outward, and the output end of the telescopic member 6 is positioned at the end of the extension portion 2b. A telescopic part 29 is provided on the fixed seat connecting plate 8. The telescopic part 29 is a hydraulic cylinder, a cylinder or an electric cylinder. The shell of the telescopic part 29 is fixed on the fixed seat connecting plate 8 and the output end is fixed on the slider connecting plate 5. Each slider 4 is provided with a T-slot 4a running through the upper and lower sides and the corresponding fixed seat 7 has a vertically arranged T-block 7a that can be embedded in the corresponding T-slot 4a. The telescopic part 29 can drive the slider 4 to move up and down on the corresponding fixed seat 7. The number of the telescopic parts 29 is two and the two telescopic parts 29 are respectively arranged on the fixed seat connecting plate 8 near the two fixed seats 7.

[0034] Further, such as Figures 1 to 8 , Fig.10As shown, a mounting hole 2c is formed in the middle of one end of the connecting rod 2 close to the fixed rod 1, and the fine-tuning fork 10 includes a rod portion 10a passing through the mounting hole 2c and a U-shaped fork portion 10b hinged to the fixed rod 1, one end of the rod portion 10a passes through the mounting hole 2c and the U-shaped fork portion 10b is arranged at the end of the rod portion 10a, the U-shaped fork portion 10b is hinged on the fixed rod 1, and one side of the U-shaped fork portion 10b has a mounting portion 10c extending outward, a mounting bracket 16 is fixed on the extension portion 2b of the connecting rod 2, and a telescopic member 3 11 is fixed on the mounting bracket 16, and the telescopic member 3 11 is a hydraulic cylinder, a cylinder or an electric cylinder, and the shell of the telescopic member 3 11 is fixed on the mounting bracket 16, and the output end of the telescopic member 3 11 is fixed on the mounting portion 10c, and the telescopic member 3 11 can drive the fine-tuning fork 10 to reciprocate along the length direction of the connecting rod 2; one side of the two sliders 4 has a connecting rod extending outward. The connecting portion 4b is provided with a vertically arranged pin shaft 17. A mounting groove 2d extending inwardly and penetrating through both sides is opened in the middle of one end of the connecting rod 2 away from the fixed rod 1. The connecting portion 4b on the slider 4 connected to the connecting rod 2 can be embedded in the mounting groove 2d, and the two ends of the corresponding pin shaft 17 are respectively penetrated through the groove walls on both sides of the mounting groove 2d and are located on the upper and lower sides of the connecting rod 2. A mounting groove 2b 3b extending inwardly and penetrating through both sides is opened in the middle of one end of the connecting rod 2 3 away from the fixed rod 1. The connecting portion 4b on the slider 4 connected to the connecting rod 2 3 can be embedded in the mounting groove 2 3b, and the two ends of the corresponding pin shaft 17 are respectively penetrated through the groove walls on both sides of the mounting groove 2 3b and are located on the upper and lower sides of the connecting rod 2 3; the two ends of the slider connecting plate 5 are respectively fixed to the two sliders 4, and the middle parts of both ends of the slider connecting plate 5 are provided with open grooves 5a for the connecting portions 4b on the corresponding sliders 4 to be embedded.

[0035] When it is not necessary to tow the aircraft, the telescopic member 6 pushes the connecting rod 2 to make the connecting rod 2 swing around the pin shaft 17 connected thereto, and the four-bar linkage composed of the connecting rod 2, the connecting rod 2 3, the connecting rod 3 12 and the fixed rod 1 shrinks along with the push of the telescopic member 6, and the aircraft traction rod shrinks to one side of the tractor frame along with the four-bar linkage; when it is necessary to dock the aircraft, the telescopic member 6 moves to make the adjacent rods of the four-bar linkage perpendicular to each other, and at this time the aircraft traction rod is on the longitudinal center line of the tractor, and when the telescopic member 6 moves, the telescopic member 2 9 pushes the slider connecting plate 5 according to the aircraft traction rod position signal transmitted by the sensor, so that The aircraft traction rod moves up and down relative to the fixed seat 7 as the slider 4 moves, and finally the groove at the end of the aircraft traction rod is aligned with the aircraft traction shaft. If there is an axial deviation between the aircraft traction shaft and the groove at the end of the aircraft traction rod, the telescopic member 3 11 acts to push the fine-tuning fork 10 to move along the length direction of the connecting rod 2, and the fine-tuning fork 10 pushes the fixed rod 1 to rotate around the hinge point between the connecting rod 2 3 and the fixed rod 1, thereby achieving the purpose of fine-tuning the angle of the aircraft traction rod so that the aircraft traction rod and the aircraft traction shaft are accurately connected. After completing the aircraft traction work, the telescopic member 1 6, the telescopic member 2 9 and the telescopic member 3 11 can reset the aircraft traction rod.

[0036] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A docking adjustment mechanism for an aircraft towing rod, comprising a fixing rod (1) fixedly connected to the towing rod, characterized in that: The fixing rod (1) is arranged on one side of the traction rod along the length direction of the traction rod. The fixing rod (1) is connected with a connecting rod 1 (2) and a connecting rod 2 (3) extending toward a side away from the traction rod. One end of the connecting rod 2 (3) is hinged on the fixing rod (1). One end of the connecting rod 1 (2) away from the fixing rod (1) and one end of the connecting rod 2 (3) away from the fixing rod (1) are both hinged with a slider (4). The two sliders (4) are fixedly connected by a slider connecting plate (5). The slider connecting plate (5) is connected with a telescopic member capable of driving the connecting rod 1 (2) to swing around its hinge point with the corresponding slider (4). One (6), each of the sliders (4) is connected to a fixed seat (7) fixed on the tractor frame, the two fixed seats (7) are connected via a fixed seat connecting plate (8), the fixed seat connecting plate (8) is provided with a telescopic member two (9) capable of driving the two sliders (4) to move up and down on the corresponding fixed seats (7), the fixed rod (1) is hinged with a fine-adjustment fork (10) connected to one end of the connecting rod one, the connecting rod one (2) is fixed with a telescopic member three (11) capable of causing the fine-adjustment fork (10) to move back and forth along its length direction and driving the fixed rod (1) to swing around its hinge point with the connecting rod two (3); The shell of the second telescopic member (9) is fixed on the fixed seat connecting plate (8) and the output end is fixed on the slider connecting plate (5); The middle part of one side of the connecting rod one (2) has an extension part (2b) extending outward, the shell of the telescopic member one (6) is connected to the slider connecting plate (5) and the output end of the telescopic member one (6) is positioned at the end of the extension part (2b), the shell of the telescopic member three (11) is fixedly connected to the extension part (2b), and the output end of the telescopic member three (11) is fixed on the fine-tuning fork (10).

2. The docking adjustment mechanism of the aircraft towing rod according to claim 1, characterized in that: A connecting rod three (12) is provided between the connecting rod one (2) and the connecting rod two (3) along the length direction of the fixed rod (1); a through hole one (2a) is provided on the connecting rod one (2) and a connecting pin one (13) is inserted into the through hole one (2a); a through hole two (3a) is provided on the connecting rod two (3) and a connecting pin two (14) is inserted into the through hole two (3a); one end of the connecting rod three (12) is connected to the connecting rod one (2) through the connecting pin one (13), and the other end of the connecting rod three (12) is connected to the connecting rod two (3) through the connecting pin two (14).

3. The docking adjustment mechanism of the aircraft towing rod according to claim 1, characterized in that: The connecting rod 1 (2) is provided with an inwardly extending mounting hole (2c) in the middle of one end close to the fixing rod (1); the fine-tuning fork (10) comprises a rod portion (10a) inserted into the mounting hole (2c); one end of the rod portion (10a) passes through the mounting hole (2c) and the end has a U-shaped fork portion (10b) connected to the fixing rod (1); one side of the U-shaped fork portion (10b) has an outwardly extending mounting portion (10c); and the output end of the telescopic member 3 (11) is fixed on the mounting portion (10c).

4. The docking adjustment mechanism for an aircraft towing rod according to claim 1, characterized in that: A connecting bracket (15) is fixed on the slider connecting plate (5), and the shell of the telescopic member 1 (6) is hinged on the connecting bracket (15); a mounting bracket (16) is fixed on the extension portion (2b), and the shell of the telescopic member 3 (11) is fixed on the mounting bracket (16).

5. The docking adjustment mechanism for an aircraft towing rod according to claim 1 or 2, characterized in that: Each of the fixing seats (7) has a vertically arranged T-shaped block (7a) on one side, and each of the sliding blocks (4) has a T-shaped slot (4a) that runs through the upper and lower sides and is provided for the T-shaped block (7a) on the corresponding fixing seat (7) to be inserted.

6. The docking adjustment mechanism for an aircraft towing rod according to claim 5, characterized in that: One side of the slider (4) corresponding to the connecting rod 1 (2) and one side of the slider (4) corresponding to the connecting rod 2 (3) both have a connecting portion (4b) extending outwards, a vertically arranged pin shaft (17) is passed through the connecting portion (4b), a mounting groove (2d) extending inwards and capable of passing through both sides is opened in the middle of one end of the connecting rod 1 (2), the connecting portion (4b) on the slider (4) corresponding to the connecting rod 1 (2) can be embedded in the mounting groove (2d) and the corresponding The two ends of the pin shaft (17) pass through the groove walls on both sides of the mounting groove one (2d) and are respectively located on the upper and lower sides of the connecting rod one (2); a mounting groove two (3b) extending inward and capable of passing through both sides is opened in the middle of one end of the connecting rod two (3); the connecting portion (4b) on the sliding block (4) corresponding to the connecting rod two (3) can be embedded in the mounting groove two (3b) and the two ends of the corresponding pin shaft (17) pass through the groove walls on both sides of the mounting groove two (3b) and are respectively located on the upper and lower sides of the connecting rod two (3).

7. The docking adjustment mechanism for an aircraft towing rod according to claim 6, characterized in that: The two ends of the slider connecting plate (5) are respectively fixedly connected to the two sliders (4), and both ends of the slider connecting plate (5) are provided with open grooves (5a) for embedding the connecting parts (4b) on the corresponding sliders (4).

8. The docking adjustment mechanism for an aircraft towing rod according to claim 1 or 2, characterized in that: The fixing rod (1) is provided with a plurality of fixing sleeves (18) extending toward the traction rod. The plurality of fixing sleeves (18) are arranged side by side and spaced apart along the length direction of the fixing rod (1) and are all sleeved on the traction rod.

9. The docking adjustment mechanism for an aircraft towing rod according to claim 1, characterized in that: The telescopic component one (6) is a hydraulic cylinder, a gas cylinder or an electric cylinder; the telescopic component two (9) is a hydraulic cylinder, a gas cylinder or an electric cylinder; the telescopic component three (11) is a hydraulic cylinder, a gas cylinder or an electric cylinder.

Citation Information

Patent Citations

  • Height-adjustable aircraft traction rod

    CN212047937U

  • Butt joint adjusting mechanism of airplane draw bar

    CN215851952U