A buffer auxiliary tooling structure

Abstract

The present invention discloses a buffer auxiliary tooling structure, including a sleeve positioning mechanism, a center axis positioning mechanism and a center axis pushing mechanism arranged coaxially, the sleeve positioning mechanism can respectively position the sleeve in the axial and circumferential directions, the center axis positioning mechanism can position the center axis in the axial and circumferential directions, the process holes after the sleeve and the center axis are positioned are colinear, and the center axis pushing mechanism is used to push the center axis to the matching station, so that the process holes after the sleeve and the center axis are positioned coincide with each other. The buffer auxiliary tooling structure of the present invention can easily assemble the sleeve hole and the center axis hole coaxially, and the previous operation of five people can be completed smoothly by one person, and the assembly efficiency is significantly improved; the entire assembly process is safe and reliable, and when assembling the product, workers do not need to stand at a high place to operate, avoiding unnecessary potential dangers.

Description

Technical Field

[0001] The invention relates to the technical field of auxiliary tooling, and in particular to a buffer auxiliary tooling structure. Background Art

[0002] The buffer is used for the landing gear of the aircraft, and is mainly composed of a center shaft, a sleeve and a spring. In the traditional process of assembly, the sleeve is placed on the ground, supported by two people, and the other two people stand on a high place. First, the spring is put on the center shaft, and then the sleeve is put in. Then the pressure block is placed on the upper end of the center shaft, and the lever is passed through the pressure block hole to apply downward pressure to both ends of the lever; when the center shaft hole and the sleeve hole are coaxial, another person quickly inserts the pin into the center shaft hole and the sleeve hole to complete this installation process, as shown in the attached figure. Figure 8 shown.

[0003] The traditional assembly process is purely manual, which is not only inefficient, but also prone to tilting and rolling due to the unstable contact between the sleeve and the ground, which is potentially dangerous. Summary of the invention

[0004] The purpose of the present invention is to provide a buffer auxiliary tooling structure to solve the problems existing in the above-mentioned prior art, so as to realize mechanized operation of buffer assembly and improve assembly efficiency.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides a buffer auxiliary tooling structure, including a sleeve positioning mechanism, a center shaft positioning mechanism and a center shaft pushing mechanism arranged on a coaxial line, the sleeve positioning mechanism can respectively position the sleeve in the axial direction and the circumferential direction, the center shaft positioning mechanism can position the center shaft in the axial direction and the circumferential direction, the sleeve is colinear with the process hole after the center shaft is positioned, and the center shaft pushing mechanism is used to push the center shaft to a matching station so that the sleeve coincides with the process hole after the center shaft is positioned.

[0007] Preferably, the sleeve positioning mechanism comprises an axial positioning mechanism and a circumferential positioning mechanism, the axial positioning mechanism positions the axial hole at the top end of the sleeve, and the circumferential positioning mechanism circumferentially positions the middle portion of the sleeve.

[0008] Preferably, the axial positioning mechanism comprises a base and a latch, and the base is provided with a latch hole, and the latch hole is used for inserting the latch.

[0009] Preferably, the circumferential positioning mechanism includes a sleeve support, a pressure plate support, a threaded support, a pressure plate and a threaded pin. The sleeve support is arranged below the sleeve, and the pressure plate is arranged above the sleeve. The sleeve support and the pressure plate are arranged relatively to each other up and down. One end of the pressure plate is hinged to the pressure plate support, and the other end is connected to the threaded support through the threaded pin. The sleeve support and the pressure plate are both provided with arc surfaces, and the arc surfaces match the outer diameter size of the sleeve.

[0010] Preferably, the center axis positioning mechanism includes a flap support, a flap and a center axis positioning pin, one end of the flap is hinged to the flap support, and the other end is plugged into the center axis positioning pin, the flap support is arranged on one side of the center axis, and the center axis positioning pin can be plugged into the process hole of the center axis.

[0011] Preferably, the central axis pushing mechanism includes a translation drive and a pushing cylinder, the translation drive is connected to the pushing cylinder, the outer diameter of the pushing cylinder is the same as the outer diameter of the central axis, the pushing cylinder is coaxially arranged with the central axis and can contact each other at the ends.

[0012] Preferably, the translation drive is an electric cylinder, which is arranged on a vertical plane of an L-shaped support, and a T-shaped sliding plate is arranged between the protruding end of the electric cylinder and the pushing cylinder, and the T-shaped sliding plate includes a connecting plate and a translation guide rail, and the lower end of the connecting plate is provided with a sliding groove matching the translation guide rail, and a center axis tightening mechanism is arranged on the connecting plate, and the center axis tightening mechanism is in conflict with the inner wall of the end of the center axis.

[0013] Preferably, the central axis tightening mechanism includes a translation locking mechanism, a lever mechanism and a connecting rod support mechanism, the lever mechanism includes a rocker and a U-shaped support, the U-shaped support is arranged on the connecting plate, the end of the U-shaped support is hinged to the middle part of the rocker, the upper end of the rocker is connected to the translation locking mechanism, and the lower end is connected to the connecting rod support mechanism, the horizontal movement of the translation locking mechanism can make the connecting rod support mechanism move horizontally and the opening angle of the support rod become larger.

[0014] Preferably, the translation locking mechanism comprises a twist rod and a fork-shaped connecting frame, one end of the twist rod is threadedly penetrated by the connecting plate, and the other end is rotatably connected to the bottom end of the fork-shaped connecting frame, and the open end of the fork-shaped connecting frame is movably connected to the waist-shaped hole at the upper end of the rocker arm through a pin shaft; the connecting rod support mechanism comprises a support shaft, a pushing shaft, a support rod and a swing rod, the support shaft is coaxially arranged in the pushing cylinder, and a waist-shaped through hole is respectively provided in the middle of the support shaft in the vertical direction and the horizontal direction, the rocker arm passes through the waist-shaped through hole in the vertical direction, and the pushing shaft passes through the waist-shaped through hole in the horizontal direction, and the lower end of the rocker arm is provided with a U-shaped opening, the pushing shaft is located in the U-shaped opening, and the two ends of the pushing shaft are symmetrically hinged with a pair of the support rods, and the middle of each of the support rods is hinged at one end of the swing rod, and the other end of the swing rod is symmetrically hinged at the end of the support shaft, and a rubber pad is provided on the end of the support rod.

[0015] Preferably, the sleeve positioning mechanism, the central axis positioning mechanism and the central axis pushing mechanism are all arranged on an upper plane of a frame.

[0016] Compared with the prior art, the present invention has achieved the following technical effects:

[0017] The buffer auxiliary tooling structure of the present invention facilitates the coaxial assembly of the sleeve and the process hole of the center shaft. The operation previously required five people can now be completed smoothly by one person, and the assembly efficiency is significantly improved. The entire assembly process is safe and reliable. When assembling the product, workers do not need to stand at a height to operate, thus avoiding unnecessary potential dangers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the buffer auxiliary tooling structure of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the axial positioning mechanism in the buffer auxiliary tooling structure of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the circumferential positioning mechanism in the buffer auxiliary tooling structure of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the central axis positioning mechanism in the buffer auxiliary tooling structure of the present invention;

[0023] Figure 5 The structure diagram of the central axis tightening mechanism in the buffer auxiliary tooling structure of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 6 The structure diagram of the central axis tightening mechanism in the buffer auxiliary tooling structure of the present invention is shown in FIG. Figure 2 ;

[0025] Figure 7 It is a structural schematic diagram of the buffer of the present invention;

[0026] Figure 8 It is a schematic diagram of the force application in the conventional process of assembling the buffer of the present invention;

[0027] Among them: 1-buffer auxiliary tooling structure, 2-sleeve, 3-center axis, 4-spring, 5-process hole, 6-base, 7-pin, 8-sleeve support, 9-pressure plate support, 10-pressure plate, 11-threaded support, 12-threaded pin, 13-flap support, 14-flap, 15-center axis positioning pin, 16-electric cylinder, 17-push cylinder, 18-L-type support, 19-connecting plate, 20-translation guide rail, 21-twisted rod, 22-fork-type connecting frame, 23-rocker, 24-U-type support, 25-support shaft, 26-push shaft, 27-swing rod, 28-support rod, 29-rubber pad, 30-frame. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The purpose of the present invention is to provide a buffer auxiliary tooling structure to solve the problems existing in the prior art, to achieve mechanized operation of buffer assembly and to improve assembly efficiency.

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] like Figures 1 to 7As shown: This embodiment provides a buffer auxiliary tooling structure 1, including a sleeve positioning mechanism, a center shaft positioning mechanism and a center shaft pushing mechanism arranged coaxially, the sleeve positioning mechanism can respectively position the sleeve in the axial and circumferential directions, the center shaft positioning mechanism can position the center shaft 3 in the axial and circumferential directions, the sleeve 2 and the process hole 5 after the center shaft is positioned are colinear, and the center shaft pushing mechanism is used to push the center shaft 3 to the matching station, so that the sleeve 2 and the process hole 5 after the center shaft 3 is positioned coincide. The sleeve positioning mechanism, the center shaft positioning mechanism and the center shaft pushing mechanism are all arranged on the upper plane of a frame 30.

[0032] The sleeve positioning mechanism includes an axial positioning mechanism and a circumferential positioning mechanism. The axial positioning mechanism positions the axial hole at the top of the sleeve 2. During the processing of the sleeve 2, the axis of the sleeve 2 and the process hole 5 of the central axis 3 are in the same vertical plane. The circumferential positioning mechanism positions the middle of the sleeve circumferentially. The axial positioning mechanism includes a base 6 and a latch 7. The base 6 is provided with a latch hole, and the latch hole is used to insert the latch 7 for positioning the axial hole at the top of the sleeve 2. The circumferential positioning mechanism includes a sleeve support 8, a pressure plate support 9, a threaded support 11, a pressure plate 10 and a threaded pin 12. The sleeve 2 is provided with a sleeve support 8 below and a pressure plate 10 above. The sleeve support 8 and the pressure plate 10 are arranged opposite to each other up and down. One end of the pressure plate 10 is hinged to the pressure plate support 9, and the other end is connected to the threaded support 11 through a threaded pin 12. The sleeve support 8 and the pressure plate 10 are both provided with arc surfaces, and the arc surfaces match the outer diameter of the sleeve 2.

[0033] The central axis positioning mechanism includes a flap support 13, a flap 14 and a central axis positioning pin 15. One end of the flap 14 is hinged to the flap support 13 and the other end is plugged into the central axis positioning pin 15. The flap support 13 is arranged on one side of the central axis 3. The central axis positioning pin 15 can be plugged into the process hole 5 of the central axis 3. The central axis pushing mechanism includes a translation drive and a pushing cylinder 17. The translation drive is connected to the pushing cylinder 17. The outer diameter of the pushing cylinder 17 is the same as the outer diameter of the central axis 3. The pushing cylinder 17 is coaxially arranged with the central axis 3 and can collide with each other at the ends. The translation drive is an electric cylinder 16, which is arranged on a vertical plane of an L-shaped support 18. A T-shaped sliding plate is arranged between the protruding end of the electric cylinder 16 and the pushing cylinder 17. The T-shaped sliding plate includes a connecting plate 19 and a translation guide rail 20. The lower end of the connecting plate 19 is provided with a slide groove matching the translation guide rail 20. A center axis tightening mechanism is arranged on the connecting plate 19, and the center axis tightening mechanism is in conflict with the inner wall of the end of the center axis 3.

[0034] The central axis tightening mechanism includes a translation locking mechanism, a lever mechanism and a connecting rod support mechanism. The lever mechanism includes a rocker 23 and a U-shaped support 24. The U-shaped support 24 is arranged on the connecting plate 19. The end of the U-shaped support 24 is hinged to the middle part of the rocker 23. The upper end of the rocker 23 is connected to the translation locking mechanism and the lower end is connected to the connecting rod support mechanism. The horizontal movement of the translation locking mechanism can make the connecting rod support mechanism move horizontally and the opening angle of the support rod 28 become larger. The translation locking mechanism includes a twist rod 21 and a fork-shaped connecting frame 22. One end of the twist rod 21 is threadedly penetrated on the connecting plate 19, and the other end is rotatably connected to the bottom end of the fork-shaped connecting frame 22. The open end of the fork-shaped connecting frame 22 is movably connected to the waist-shaped hole at the upper end of the rocker 23 through a pin shaft; the connecting rod support mechanism includes a support shaft 25, a push shaft 26, a support rod 28 and a swing rod 27. The support shaft 25 is coaxially arranged in the push cylinder 17, and the middle part of the support shaft 25 is vertically and horizontally A waist-shaped through hole is respectively provided in the vertical direction, the rocker 23 passes through the waist-shaped through hole in the vertical direction, the driving shaft 26 passes through the waist-shaped through hole in the horizontal direction, a U-shaped opening is provided at the lower end of the rocker 23, the driving shaft 26 is located in the U-shaped opening, a pair of support rods 28 are symmetrically hinged at both ends of the driving shaft 26, the middle part of each support rod 28 is hinged to one end of the swing rod 27, the other end of the swing rod 27 is symmetrically hinged to the end of the support shaft 25, and a rubber pad 29 is provided on the end of the support rod 28. Among them, the support rod 28 can also be a combination structure of two support plates.

[0035] The specific operation process of the buffer auxiliary tooling structure 1 of this embodiment is as follows:

[0036] First, put the central shaft 3 with spring 4 installed into the sleeve 2, and place it horizontally on the buffer auxiliary tooling structure 1 of this embodiment through a hoisting machine, adjust the axial hole at the end of the sleeve 2 and the axial hole on the base 6 to be coaxial, and insert the pin 7; flip the pressure plate 10 to press it onto the sleeve 2, screw the threaded pin 12 into the threaded support 11, thereby pressing the sleeve 2; flip the flap 14, manually adjust the process hole 5 on the central shaft 3 and the hole on the flap 14 to be coaxial, and insert the central shaft positioning pin 15, at this time, the sleeve 2 and the process hole 5 on the central shaft 3 are coplanar. Rotate the twist rod 21, pull the rocker 23 backward, drive the push shaft to push forward, and make the support rod 28 open outward, so that the cylindrical rubber pad 29 will be pressed against the inner surface of the left end hole of the central shaft 3, thereby limiting the rotation of the central shaft 3 and ensuring that the sleeve 2 and the process hole 5 on the central shaft 3 are coplanar. Then unplug the center axis positioning pin 15, energize the electric cylinder 16, so that the support rod 28 and the push cylinder 17 jointly drive the center axis 3 to translate forward along the translation guide rail 20, wait until the process hole 5 on the sleeve 2 and the center axis 3 are coaxial, insert the product process pin, and the product process assembly requirements are completed.

[0037] The buffer auxiliary tooling structure 1 of the present embodiment facilitates the coaxial assembly of the sleeve 2 and the process hole 5 of the center shaft 3. Instead of the previous operation requiring five people, it can be successfully completed by one person, thereby significantly improving the assembly efficiency. The entire assembly process is safe and reliable, and when assembling the product, there is no need for workers to stand at heights to operate, thus avoiding unnecessary potential dangers.

[0038] The present specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A buffer auxiliary tooling structure, characterized in that: It includes a sleeve positioning mechanism, a center shaft positioning mechanism and a center shaft pushing mechanism arranged coaxially, the sleeve positioning mechanism can respectively position the sleeve in the axial direction and the circumferential direction, the center shaft positioning mechanism can position the center shaft in the axial direction and the circumferential direction, the sleeve and the process hole after the center shaft is positioned are colinear, and the center shaft pushing mechanism is used to push the center shaft to the assembly station so that the sleeve and the process hole after the center shaft is positioned coincide with each other; The sleeve positioning mechanism includes an axial positioning mechanism and a circumferential positioning mechanism, wherein the axial positioning mechanism positions the axial hole at the top end of the sleeve, and the circumferential positioning mechanism positions the middle part of the sleeve circumferentially; The central axis pushing mechanism includes a translation drive and a pushing cylinder, the translation drive is connected to the pushing cylinder, the outer diameter of the pushing cylinder is the same as the outer diameter of the central axis, the pushing cylinder and the central axis are coaxially arranged and can collide with each other at the ends; the translation drive is an electric cylinder, the electric cylinder is arranged on a vertical surface of an L-shaped support, a T-shaped sliding plate is arranged between the protruding end of the electric cylinder and the pushing cylinder, the T-shaped sliding plate includes a connecting plate and a translation guide rail, the lower end of the connecting plate is provided with a slide groove matching the translation guide rail, and a There is a central axis tightening mechanism, which is in conflict with the inner wall of the end of the central axis; the central axis tightening mechanism includes a translation locking mechanism, a lever mechanism and a connecting rod support mechanism, the lever mechanism includes a rocker and a U-shaped support, the U-shaped support is arranged on the connecting plate, the end of the U-shaped support is hinged to the middle part of the rocker, the upper end of the rocker is connected to the translation locking mechanism, and the lower end is connected to the connecting rod support mechanism, and the horizontal movement of the translation locking mechanism can make the connecting rod support mechanism move horizontally and the opening angle of the support rod become larger; The connecting rod support mechanism includes a support shaft, a pushing shaft, a support rod and a swing rod. The support shaft is coaxially arranged in the pushing cylinder. The middle part of the support shaft has a waist-shaped through hole in the vertical direction and the horizontal direction respectively. The rocker penetrates the waist-shaped through hole in the vertical direction, and the pushing shaft penetrates the waist-shaped through hole in the horizontal direction. The lower end of the rocker is provided with a U-shaped opening, and the pushing shaft is located in the U-shaped opening. A pair of support rods are symmetrically hinged at both ends of the pushing shaft, the middle part of each support rod is hinged to one end of the swing rod, and the other end of the swing rod is symmetrically hinged to the end of the support shaft, and a rubber pad is provided on the end of the support rod.

2. The buffer auxiliary tooling structure according to claim 1, characterized in that: The axial positioning mechanism comprises a base and a latch pin. The base is provided with a latch pin hole, and the latch pin hole is used for inserting the latch pin.

3. The buffer auxiliary tooling structure according to claim 1, characterized in that: The circumferential positioning mechanism includes a sleeve support, a pressure plate support, a threaded support, a pressure plate and a threaded pin. The sleeve support is arranged below the sleeve, and the pressure plate is arranged above the sleeve. The sleeve support and the pressure plate are arranged opposite to each other in upper and lower directions. One end of the pressure plate is hinged to the pressure plate support, and the other end is connected to the threaded support through the threaded pin. The sleeve support and the pressure plate are both provided with arc surfaces, and the arc surfaces match the outer diameter size of the sleeve.

4. The buffer auxiliary tooling structure according to claim 1, characterized in that: The center axis positioning mechanism includes a flap support, a flap and a center axis positioning pin, one end of the flap is hinged to the flap support, and the other end is plugged into the center axis positioning pin, the flap support is arranged on one side of the center axis, and the center axis positioning pin can be plugged into the process hole of the center axis.

5. The buffer auxiliary tooling structure according to claim 1, characterized in that: The translation locking mechanism includes a twist rod and a fork-shaped connecting frame, one end of the twist rod is threadedly inserted into the connecting plate, and the other end is rotatably connected to the bottom end of the fork-shaped connecting frame, and the open end of the fork-shaped connecting frame is movably connected to the waist-shaped hole at the upper end of the rocker through a pin shaft.

6. The buffer auxiliary tooling structure according to claim 1, characterized in that: The sleeve positioning mechanism, the central axis positioning mechanism and the central axis pushing mechanism are all arranged on an upper plane of a frame.

Images