Undercarriage piston rod assembly tool

Abstract

The utility model discloses an undercarriage piston rod assembling tool which comprises a base, a rotating stand column is arranged on the base in a rotating mode, and a clamping mechanism used for clamping an outer cylinder is arranged on the rotating stand column. The clamping mechanism comprises a fixing plate, a first clamping seat and a second clamping seat, the fixing plate is connected with the rotating stand column, the first clamping seat is installed on the fixing plate, the second clamping seat is detachably connected with the first clamping seat, a clamping groove used for clamping an outer cylinder can be formed after the first clamping seat and the second clamping seat are closed, an adjusting gasket is arranged in the clamping groove, and the adjusting gasket is detachably connected with the first clamping seat. The adjusting gaskets abut against the outer cylinders so as to fix the outer cylinders with different diameters. The adjusting gasket is arranged in the clamping groove and has the function of adjusting the size of the clamping groove, so that the clamping mechanism can clamp outer barrels of various types and specifications, the universality of the assembly tool is improved, the utilization rate of the assembly tool is increased, and the assembly cost of the landing gear piston rod is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of aircraft parts processing, and in particular relates to an assembly tool for a landing gear piston rod. Background Art

[0002] The landing gear is an important part of the aircraft, used to support the weight of the aircraft, bear the corresponding load, and can consume and absorb the impact energy of the aircraft during landing and taxiing. It has an extremely important mission during the take-off and landing process of the aircraft. The quality of its working performance and the level of its reliability directly affect the usability and safety of the aircraft. The assembly process in the production of the aircraft landing gear has a great impact on the performance of the landing gear. The assembly of the landing gear is to achieve the matching of the shaft hole of the piston rod and the outer tube. The piston rod is an axis, and the outer tube is a cylinder with a piston rod mounting hole. During the assembly process, the outer tube needs to be clamped and fixed, and then the piston rod is installed in the outer tube.

[0003] Prior art CN217071386U discloses an auxiliary assembly device for a landing gear buffer strut assembly, which includes a vehicle body, a first fixing unit disposed on the top of the vehicle body for clamping an outer cylinder of the landing gear buffer strut assembly, a second fixing unit for clamping a piston rod of a landing gear buffer support assembly, and a booster unit for driving the second fixing unit to approach or move away from the first fixing unit. The device is labor-saving to operate, has good safety, good assembly quality, high assembly efficiency, and easy disassembly of modular fixtures. It can be applied to the assembly of landing gear buffer strut assemblies of different models, and can meet the needs of mass production of products.

[0004] The first fixing unit in the landing gear buffer strut assembly auxiliary assembly device of the above-mentioned patent does not have a size adjustment function. Since the diameters of outer cylinders of different models are different, its universality for different models of outer cylinders is poor. A set of equipment can only correspond to one type of outer cylinder. It has the problems of a large number of equipment, a large floor space and low utilization rate. Utility Model Content

[0005] The utility model aims to provide a landing gear piston rod assembly tool, which is used to solve the above problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a landing gear piston rod assembly tool, comprising a base, a rotating column is rotatably provided on the base, and a clamping mechanism for clamping an outer cylinder is provided on the rotating column; the clamping mechanism comprises a fixed plate, a first clamping seat and a second clamping seat, the fixed plate is connected to the rotating column, the first clamping seat is mounted on the fixed plate, the second clamping seat is detachably connected to the first clamping seat, and a clamping groove for clamping the outer cylinder can be formed when the first clamping seat and the second clamping seat are closed, and an adjusting gasket is provided in the clamping groove, and the adjusting gasket abuts against the outer cylinder to fix outer cylinders of different diameters.

[0007] As an optional implementation of the above technical solution, the adjusting gasket includes an arc-shaped piece, and both ends of the arc-shaped piece are provided with limiting flanges.

[0008] As an optional implementation of the above technical solution, a first connecting shaft and a first fixing member are provided between the first clamping seat and the rotating column. The first clamping seat rotates with the rotating column through the first connecting shaft, and the first fixing member is used to relatively fix the first clamping seat and the rotating column.

[0009] As an optional implementation of the above technical solution, the first fixing member includes at least one first fixing pin, and the first fixing pin is inserted into the first clamping seat and the rotating column.

[0010] As an optional implementation of the above technical solution, the first clamping seat is provided with a first arc groove, and the second clamping seat is provided with a second arc groove. After the first clamping seat and the second clamping seat are closed, the first arc groove and the second arc groove are connected to form the clamping groove.

[0011] As an optional implementation of the above technical solution, the first clamping seat and the second clamping seat are detachably connected via a plurality of connecting bolts.

[0012] As an optional implementation of the above technical solution, the base includes a support platform, a fixed platform is provided on the support platform, a U-shaped limiting groove is provided on the fixed platform, and the rotating column is arranged in the U-shaped limiting groove and rotates with the fixed platform.

[0013] As an optional implementation of the above technical solution, a second connecting shaft and a second fixing member are provided between the rotating column and the fixed platform. The rotating column rotates with the fixed platform through the second connecting shaft, and the second fixing member is used to relatively fix the rotating column and the fixed platform.

[0014] As an optional implementation of the above technical solution, the second fixing member includes a second fixing pin, and the second fixing pin is inserted into the rotating column and the fixing platform.

[0015] As an optional implementation of the above technical solution, the fixed platform includes a base plate, which is installed on the support platform, and two mounting ear plates are relatively provided on the base plate, and a second connecting hole and a second fixing hole are provided on the mounting ear plates, and the second connecting hole matches the second connecting shaft, and the second fixing hole matches the second fixing pin.

[0016] The beneficial effects of the utility model are:

[0017] The utility model sets an adjustment gasket in the clamping groove, and the adjustment gasket has the function of adjusting the size of the clamping groove, so that the clamping mechanism can clamp outer cylinders of various models and specifications, improves the versatility of the assembly tool, increases the utilization rate of the assembly tool, and reduces the assembly cost of the piston rod. In addition, the rotating column and the base rotate in coordination, and after the outer cylinder is clamped by the clamping mechanism once, the outer cylinder is flipped from a vertical state to a horizontal state by rotating the rotating column, which facilitates the operation of the outer cylinder, improves the operating efficiency, and can increase the use range of the landing gear assembly tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a landing gear piston rod assembly tool in one embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of an adjusting gasket in one embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a clamping mechanism in one embodiment of the utility model;

[0021] Figure 4 This is a structural schematic diagram of a first clamping seat in one embodiment of the utility model;

[0022] Figure 5 This is a structural schematic diagram of a base in one embodiment of the utility model;

[0023] Figure 6 This is a diagram of the use state of the landing gear piston rod assembly tool in one embodiment of the utility model;

[0024] Figure 7 This is another usage state diagram of the landing gear piston rod assembly tool in one embodiment of the utility model.

[0025] In the figure: 1-base; 2-rotating column; 3-outer cylinder; 4-clamping mechanism; 5-fixed plate; 6-first clamping seat; 7-second clamping seat; 8-clamping groove; 9-adjusting gasket; 10-first connecting shaft; 11-first fixing pin; 12-connecting bolt; 13-support platform; 14-fixed platform; 15-second connecting shaft; 16-second fixing pin. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 7 As shown, this embodiment provides a landing gear piston rod assembly tool, including a base 1, a rotating column 2 is rotatably provided on the base 1, and a clamping mechanism 4 for clamping an outer cylinder 3 is provided on the rotating column 2. After the outer cylinder 3 is clamped once by the clamping mechanism 4, the outer cylinder 3 is flipped from a vertical state to a horizontal state by rotating the rotating column 2, which facilitates the operation of the outer cylinder 3 and increases the use range of the assembly tool.

[0027] like Figure 3 As shown, specifically, the clamping mechanism 4 includes a fixing plate 5, a first clamping seat 6 and a second clamping seat 7. The fixing plate 5 is connected to the rotating column 2. The first clamping seat 6 is installed on the fixing plate 5. The second clamping seat 7 is detachably connected to the first clamping seat 6. After the first clamping seat 6 and the second clamping seat 7 are closed, a clamping groove 8 for clamping the outer cylinder 3 can be formed. An adjusting gasket 9 is arranged in the clamping groove 8. The adjusting gasket 9 abuts against the outer cylinder 3 to fix the outer cylinder 3 with different diameters. The adjusting gasket 9 is located in the clamping groove 8. After the outer cylinder 3 is placed, the relative positions of the first clamping seat 6 and the second clamping seat 7 are adjusted so that the first clamping seat 6 and the second clamping seat 7 clamp and fix the outer cylinder 3 with different diameters. The size of the clamping groove 8 is the diameter of the outer cylinder 3 of the largest diameter model, and the adjusting gasket 9 is prepared for the outer cylinder 3 of the small diameter model. The adjusting gasket 9 is installed in the clamping groove 8 to fix the outer cylinder 3 so as to install the piston rod.

[0028] The utility model sets an adjusting gasket 9 in the clamping groove 8, and the adjusting gasket 9 has the function of adjusting the size of the clamping groove 8, so that the clamping mechanism 4 can clamp the outer cylinder 3 of various models and specifications, improves the versatility of the assembly tool, increases the utilization rate of the assembly tool, and reduces the assembly cost of the piston rod. In addition, the rotating column 2 is rotated with the base 1, and after the outer cylinder 3 is clamped by the clamping mechanism 4 once, the outer cylinder 3 is flipped from a vertical state to a horizontal state by rotating the rotating column 2, which facilitates the operation of the outer cylinder 3, improves the operation efficiency, and can increase the scope of use of the assembly tool.

[0029] like Figure 2 As shown, in this embodiment, the adjusting gasket 9 comprises an arc-shaped piece, and both ends of the arc-shaped piece are provided with limiting flanges. The arc-shaped piece can be hung on the inner side of the first clamping seat 6 or the second clamping seat 7, and the limiting flange has a limiting function to prevent the adjusting gasket 9 from falling.

[0030] like Figure 1As shown, specifically, a first connecting shaft 10 and a first fixing member are provided between the first clamping seat 6 and the rotating column 2, and the first clamping seat 6 is rotatably matched with the rotating column 2 through the first connecting shaft 10, and the first fixing member is used to relatively fix the first clamping seat 6 and the rotating column 2. In one embodiment, the first fixing member includes two first fixing pins 11, and the first fixing pins 11 are inserted into the first clamping seat 6 and the rotating column 2 to supplement the relative fixation of the first clamping seat 6 and the rotating column 2. According to the assembly requirements, the first fixing pins 11 are removed, so that the first clamping seat 6 and the second clamping seat 7 are rotated with the outer cylinder 3 relative to the fixing plate 5 in the YZ plane, thereby adjusting the position of the outer cylinder 3.

[0031] like Figure 4 As shown, the first clamping seat 6 is provided with a first arc groove, and the second clamping seat 7 is provided with a second arc groove. After the first clamping seat 6 and the second clamping seat 7 are closed, the first arc groove and the second arc groove are connected to form the clamping groove 8 to clamp and fix the outer cylinder 3. The first clamping seat 6 and the second clamping seat 7 are detachably connected by a plurality of connecting bolts 12. By removing the connecting bolts 12, the first clamping seat 6 and the second clamping seat 7 can be separated, so as to install the outer cylinder 3.

[0032] like Figure 5 As shown, in one embodiment, the base 1 includes a support platform 13, a fixed platform 14 is provided on the support platform 13, a U-shaped limiting groove is provided on the fixed platform 14, and the rotating column 2 is arranged in the U-shaped limiting groove and rotatably cooperates with the fixed platform 14. Specifically, a second connecting shaft 15 and a second fixing member are provided between the rotating column 2 and the fixed platform 14, and the rotating column 2 is rotatably cooperated with the fixed platform 14 through the second connecting shaft 15, and the second fixing member is used to relatively fix the rotating column 2 and the fixed platform 14. The second fixing member includes a second fixing pin 16, and the second fixing pin 16 is plugged into the rotating column 2 and the fixed platform 14. According to the assembly requirements, the second fixing pin 16 is removed, so that the clamping mechanism 4 rotates with the outer cylinder 3 relative to the base 1 in the XZ plane, thereby adjusting the position of the outer cylinder 3.

[0033] The fixing platform 14 includes a bottom plate, which is mounted on the supporting platform 13. Two mounting ear plates are arranged opposite to each other on the bottom plate. The mounting ear plates are provided with a second connection hole and a second fixing hole. The second connection hole matches with the second connection shaft 15, and the second fixing hole matches with the second fixing pin 16. The rotating column 2 is located between the two mounting ear plates, and the second connecting shaft 15 passes through the two mounting ear plates and the rotating column 2. When the rotating column 2 is rotated to a vertical state, the second fixing pin 16 is inserted to fix the rotating column 2 so that the rotating column 2 remains in a vertical state.

[0034] The method of using the landing gear piston rod assembly tool in the utility model is as follows:

[0035] like Figure 6 and Figure 7 As shown, first assemble the various parts, select the corresponding adjustment gasket 9 according to the diameter of the outer cylinder 3, and place the adjustment gasket 9 in the clamping groove 8; place the outer cylinder 3 in the clamping groove 8, and use the connecting bolt 12 to fasten the first clamping seat 6 and the second clamping seat 7, so that the first clamping seat 6 and the second clamping seat 7 clamp the outer cylinder 3; according to the needs of the assembly work, the outer cylinder 3 can be placed in an upward state or a downward state by rotating the first clamping seat 6, and the first fixing pin 11 is inserted after rotating into place, so that the first clamping seat 6 and the fixing plate 5 remain relatively fixed; according to the needs of the assembly work, the outer cylinder 3 can be placed in a horizontal state by rotating the rotating column 2, and in the horizontal state, the rotating column 2 contacts the surface of the base 1, and the base 1 supports the rotating column 2; the outer cylinder 3 can also be placed in a vertical state by rotating the rotating column 2, and the second fixing pin 16 is inserted after rotating into place, so that the rotating column 2 and the base 1 remain relatively fixed.

[0036] In the description of the present utility model, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, and may be fixedly connected, detachably connected, or integrated; may be mechanically connected or electrically connected; may be directly connected or indirectly connected through an intermediate medium, may be the internal connection of two components or the interaction relationship between two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood. In addition, the specific features, structures, etc. described in the embodiments are included in at least one embodiment. In the absence of mutual contradictions, those skilled in the art may combine the features of different embodiments. The scope of protection of the present utility model is not limited to the above-mentioned specific embodiments. According to the basic technical concept of the present utility model, the embodiments that can be associated with by ordinary technicians in this field without creative work all belong to the scope of protection of the present utility model.

Claims

1. A landing gear piston rod assembly tool, characterized in that: The invention comprises a base (1), a rotating column (2) is rotatably provided on the base (1), a clamping mechanism (4) for clamping an outer cylinder (3) is provided on the rotating column (2); the clamping mechanism (4) comprises a fixing plate (5), a first clamping seat (6) and a second clamping seat (7), the fixing plate (5) is connected to the rotating column (2), the first clamping seat (6) is mounted on the fixing plate (5), the second clamping seat (7) is detachably connected to the first clamping seat (6), and a clamping groove (8) for clamping the outer cylinder (3) is formed when the first clamping seat (6) and the second clamping seat (7) are closed, wherein an adjusting gasket (9) is provided in the clamping groove (8), and the adjusting gasket (9) abuts against the outer cylinder (3) so as to fix the outer cylinders (3) of different diameters.

2. The landing gear piston rod assembly tool according to claim 1, characterized in that: The adjusting gasket (9) comprises an arc-shaped piece, and both ends of the arc-shaped piece are provided with limiting flanges.

3. The landing gear piston rod assembly tool according to claim 1, characterized in that: A first connecting shaft (10) and a first fixing member are provided between the first clamping seat (6) and the rotating column (2); the first clamping seat (6) is rotatably matched with the rotating column (2) via the first connecting shaft (10); and the first fixing member is used to relatively fix the first clamping seat (6) and the rotating column (2).

4. The landing gear piston rod assembly tool according to claim 3, characterized in that: The first fixing member comprises at least one first fixing pin (11), and the first fixing pin (11) is plugged into the first clamping seat (6) and the rotating column (2).

5. The landing gear piston rod assembly tool according to claim 1, characterized in that: The first clamping seat (6) is provided with a first circular arc groove, and the second clamping seat (7) is provided with a second circular arc groove. When the first clamping seat (6) and the second clamping seat (7) are closed, the first circular arc groove and the second circular arc groove are connected to form the clamping groove (8).

6. The landing gear piston rod assembly tool according to claim 1, characterized in that: The first clamping seat (6) and the second clamping seat (7) are detachably connected via a plurality of connecting bolts (12).

7. The landing gear piston rod assembly tool according to claim 1, characterized in that: The base (1) comprises a support platform (13), a fixing platform (14) is provided on the support platform (13), a U-shaped limiting groove is provided on the fixing platform (14), and the rotating column (2) is arranged in the U-shaped limiting groove and is rotatably matched with the fixing platform (14).

8. The landing gear piston rod assembly tool according to claim 7, characterized in that: A second connecting shaft (15) and a second fixing member are provided between the rotating column (2) and the fixed platform (14); the rotating column (2) is rotatably matched with the fixed platform (14) via the second connecting shaft (15); and the second fixing member is used to relatively fix the rotating column (2) and the fixed platform (14).

9. The landing gear piston rod assembly tool according to claim 8, characterized in that: The second fixing member comprises a second fixing pin (16), and the second fixing pin (16) is inserted into the rotating column (2) and the fixing platform (14).

10. The landing gear piston rod assembly tool according to claim 9, characterized in that: The fixing platform (14) comprises a base plate, the base plate is mounted on the supporting platform (13), two mounting ear plates are arranged opposite to each other on the base plate, a second connecting hole and a second fixing hole are arranged on the mounting ear plates, the second connecting hole matches the second connecting shaft (15), and the second fixing hole matches the second fixing pin (16).

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