CN216706008U

CN216706008U - Aircraft nose branch trompil device

Info

Publication number: CN216706008U
Application number: CN202122900598.8U
Authority: CN
Inventors: 牟成铭; 阮亮; 张泉; 周宇; 宋扬
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-10
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an aircraft nose support rod perforating device which comprises a sleeve with openings at two ends, wherein a chuck device is arranged at the opening at one end of the sleeve, a positioning cylinder is coaxially arranged at the opening at the other end of the sleeve, the positioning end of the positioning cylinder extends into the sleeve, a positioning groove is axially arranged at the positioning end of the positioning cylinder, a plugging block is arranged in the sleeve, and a plurality of guide holes are formed in the side wall of the sleeve; a pendulum device is further arranged on the outer side of the sleeve, the top of the pendulum device is coaxially and rotatably connected with the outer side of the sleeve, and scale marks are arranged at the bottom of the pendulum device; the utility model has the advantages of effectively avoiding the damage of the machine head support rod during the hole making and effectively ensuring the hole making precision on the machine head support rod.

Description

Aircraft nose branch trompil device

Technical Field

The utility model belongs to the technical field of a machine head support rod hole machining device, and particularly relates to an aircraft head support rod hole forming device.

Background

The aircraft is in the development stage, need install the airspeed head in aircraft nose position, gathers the atmospheric data that does not interfere by the aircraft organism for revise the data that the airspeed head on the fuselage gathered, in order to guarantee aircraft each item performance after wholesale, the aircraft nose airspeed head only tries on the first few in the aircraft development stage. Therefore, in the process of the development and mass production of the airplane, holes are not formed in the support rod on the nose under the conventional condition, and if the airspeed head needs to be installed, threaded holes are formed in the support rod on the nose and used for fixing the airspeed head through screws and nuts. In order to accurately collect atmospheric data, the position precision requirement of the hole making is very high, and the hole position precision is usually required to be +/-0.2 degrees.

At present, the adopted hole making method is a hole making method by installing a front control hole and a back marking hole on a support rod on a machine head, but the two hole making methods have the following problems: 1. the hole is made before installation, and after the support rod on the machine head is installed, installation errors can be accumulated, so that the hole position is out of tolerance. 2. After the airplane is installed, the hole is scribed, and the hole cannot be numerically controlled due to the large size of the airplane, so that the scribing hole position precision is poor, cutting can enter the nose, and the risk of abrasion of the finished airplane product exists.

To above problem, the utility model discloses an aircraft nose branch trompil device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aircraft nose support rod hole forming device which realizes the function of accurately forming holes in a nose support rod.

The utility model is realized by the following technical scheme:

an opening at one end of the sleeve is provided with a chuck device, an opening at the other end of the sleeve is coaxially provided with a positioning cylinder, a positioning end of the positioning cylinder extends into the sleeve, a positioning groove is axially arranged at the positioning end of the positioning cylinder, a plugging block is arranged in the sleeve, and a plurality of guide holes are formed in the side wall of the sleeve; the outer side of the sleeve is further provided with a pendulum device, the top of the pendulum device is coaxially and rotatably connected with the outer side of the sleeve, and the bottom of the pendulum device is provided with scale marks.

Machine head branch inserts telescopic inside from telescopic one end opening part, and the sleeve is used for the suit in the outside of machine head branch, and the position that corresponds machine head branch needs the system hole on the sleeve lateral wall is provided with a plurality of bullports, leads at the drill bit of the system hole instrument in the sleeve outside through the pilot port pair setting, and then realizes driling to machine head branch. The chuck device that telescopic one end opening part set up is used for the fixed aircraft nose branch of centre gripping, avoids aircraft nose branch to take place to remove when drilling, is provided with the plugging block that equals with the hole diameter of aircraft nose branch in telescopic inside simultaneously, inserts when sleeve inside when aircraft nose branch, in the hole that the plugging block extends to aircraft nose branch, be used for the hole shutoff with aircraft nose branch, the inside of the hole of the piece direct entering aircraft nose branch that produces when avoiding drilling. The coaxial location section of thick bamboo that is provided with at the opening part of the sleeve other end, the location end of a location section of thick bamboo extends to telescopic inside, the flat key that corresponds on the aircraft nose branch along the axial is provided with the constant head tank on the location end of a location section of thick bamboo, when aircraft nose branch inserts the sleeve inside, the flat key on the aircraft nose branch gets into the constant head tank on the location end of a location section of thick bamboo, and then realize axial positioning and the rotation location to aircraft nose branch through the cooperation of constant head tank and flat key, avoid aircraft nose branch along axial displacement and circumferential direction. The pendulum device is coaxially and rotatably arranged outside the sleeve, namely the sleeve and the top of the pendulum device can coaxially and relatively rotate. Pendulum device remains the plumb state all the time under the effect of gravity, and the relative position of sleeve and plumb direction can be read through the scale mark of pendulum device bottom, and then through rotating the sleeve with adjusting telescopic mounted position, adjusts the relative position of bullport and plumb direction in the sleeve outside promptly, then can be with telescopic rigidity in order to carry out the drilling operation of aircraft nose branch.

In order to better realize the pendulum device, the pendulum device comprises a connecting plate, a perpendicular line, a pendulum head and a scale block, the top of the connecting plate is connected with the outer side of the sleeve, a limiting groove is formed in the connecting plate along the length direction of the connecting plate, one end of the perpendicular line is rotatably connected with the top of the limiting groove, the pendulum head is arranged at the other end of the perpendicular line, and the scale block is arranged at the bottom of the limiting groove corresponding to the pendulum head.

In order to better realize the utility model, the connecting plate comprises a U-shaped connecting plate and a perpendicular line mounting plate, the top of the U-shaped connecting plate is provided with an opening coaxially and rotatably connected with the outer side of the sleeve, and two sides of the opening are provided with positioning pieces; the bottom of U type connecting plate is connected with the top of plumb line mounting panel, is provided with the spacing groove on the plumb line mounting panel.

In order to better realize the utility model, a boss is further arranged at the top of the limiting groove, and one end of the perpendicular line is rotatably connected with the boss.

In order to better realize the utility model, the chuck device further comprises a mounting support lug, a chuck screw and a chuck, wherein a plurality of mounting support lugs are uniformly arranged at an opening at one end of the sleeve along the circumferential direction, the chuck screw is arranged on the mounting support lugs along the radial thread of the sleeve, and the chuck is arranged at one end of the chuck screw.

In order to better realize the utility model, one end of the chuck screw is provided with a connecting boss, one side of the chuck is provided with a stepped groove corresponding to the connecting boss, and the stepped groove is rotationally clamped with the connecting boss.

In order to better implement the utility model, further, the positioning sleeve comprises a connecting flange and a positioning sleeve which are coaxially arranged, the positioning sleeve extends into the opening at the other end of the sleeve, and a positioning groove is axially arranged on the positioning sleeve; the connecting flange is connected with the end face of the other end of the sleeve.

In order to better realize the utility model, the positioning groove comprises a positioning key groove and an open groove, the side wall of one end of the positioning sleeve positioned in the sleeve is provided with the open groove along the axial direction, one end of the open groove is provided with the positioning key groove, and the width of the positioning key groove is smaller than that of the open groove.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) according to the tool, the hammer pendulum device is arranged, and the interface accurately reads the angular position relation between the sleeve and the plumb hammer direction through the scale block when the sleeve and the hammer pendulum device rotate relatively under the action of the plumb hammer of the plumb line and the pendulum head, so that the position of the sleeve is accurately adjusted, the position precision between the position of the guide hole in the sleeve and the plumb hammer direction is ensured, and the position precision of hole making through the guide hole is finally ensured;

(2) according to the utility model, the sealing block is arranged in the sleeve, and after the handpiece support rod is inserted into the sleeve, the inner hole of the handpiece support rod is sealed by the sealing block, so that scraps generated in hole making are effectively prevented from entering the inner hole of the handpiece support rod, and the damage to the handpiece support rod is effectively avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the positioning cylinder installation;

FIG. 3 is a schematic view of the chuck apparatus;

FIG. 4 is a schematic structural view of a positioning cylinder;

fig. 5 is a schematic structural view of the pendulum device.

Wherein: 1-a sleeve; 2-a chuck device; 3-plugging block; 4-a positioning cylinder; 5-a pendulum device; 6-guiding the hole; 21-mounting a support lug; 22-a chuck screw; 23-a chuck; 41-a connecting flange; 42-a positioning sleeve; 51-a connecting plate; 52-vertical line; 53-pendulum hammer head; 54-scale block.

Detailed Description

Example 1:

the aircraft nose support rod hole forming device of the embodiment is shown in fig. 1-5, and comprises a sleeve 1 with two open ends, wherein a chuck device 2 is arranged at an opening at one end of the sleeve 1, a positioning cylinder 4 is coaxially arranged at an opening at the other end of the sleeve 1, a positioning end of the positioning cylinder 4 extends into the sleeve 1, a positioning groove is axially arranged at the positioning end of the positioning cylinder 4, a plugging block 3 is arranged in the sleeve 1, and a plurality of guide holes 6 are arranged on the side wall of the sleeve 1; the outer side of the sleeve 1 is further provided with a pendulum device 5, the top of the pendulum device 5 is coaxially and rotatably connected with the outer side of the sleeve 1, and the bottom of the pendulum device 5 is provided with scale marks.

Insert sleeve 1's inside from the opening part of sleeve 1 one end with aircraft nose branch, until the constant head tank joint of flat key on the aircraft nose branch and the location end on the location section of thick bamboo 4, realize the axial positioning and the circumferential direction location to aircraft nose branch this moment, make aircraft nose branch can not follow axial displacement and follow circumferential direction, then it is fixed with the lateral surface centre gripping of aircraft nose branch through chuck device 2 of sleeve 1 one end opening part, and then realize the fixed to aircraft nose branch, be in relative stationary state between aircraft nose branch and the sleeve 1 this moment. Then read the angular position relation between sleeve 1 and the plumb direction this moment through the scale mark that sets up the pendulum device 5 bottom in the sleeve 1 outside, then relative rotation sleeve 1 and pendulum device 5, and then adjust the angular position relation between sleeve 1 and the plumb direction to up to standard, then can be through fixed pin or set screw etc. with sleeve 1 and pendulum device 5 relatively fixed, make the positional relation between sleeve 1 and pendulum device 5 no longer change, the positional relation between the guiding hole 6 on the sleeve 1 and the plumb direction has promptly been confirmed, and then the position of final system hole has been confirmed. Then the drill bit can be guided through the guide hole 6, and the drilling operation of the machine head support rod is realized. In drilling process, the hole on the aircraft nose branch is by the inside shutoff piece 3 shutoff of sleeve 1, and then avoids the piece that drilling produced directly to get into the hole of aircraft nose branch inside, effectively avoids piece damage aircraft nose branch.

Example 2:

the present embodiment is further optimized on the basis of embodiment 1, as shown in fig. 5, the pendulum device 5 includes a connecting plate 51, a perpendicular line 52, a pendulum head 53, and a scale block 54, a top of the connecting plate 51 is coaxially and rotatably connected with an outer side of the sleeve 1, a limiting groove is disposed on the connecting plate 51 along a direction of the plumb, one end of the perpendicular line 52 is rotatably connected with a top of the limiting groove, the other end of the perpendicular line 52 is provided with a pendulum head 53, and a scale block 54 is disposed at a bottom of the limiting groove corresponding to the pendulum head 53.

Perpendicular line 52 sets up in the inside of spacing groove, and the top of perpendicular line 52 rotates with the top of spacing groove to be connected for when taking place relative rotation between pendulum device 5 and the sleeve 1, perpendicular line 52 can be under the action of gravity of pendulum head 53 with the relative beat certain angle of spacing groove, then reads perpendicular line 52's beat angle through the scale block 54 of spacing groove bottom, and then obtains the relative angle position relation between sleeve 1 and the plumb bob direction.

Other parts of this embodiment are the same as embodiment 1, and thus are not described again.

Example 3:

the present embodiment is further optimized on the basis of the foregoing embodiment 1 or 2, as shown in fig. 5, the connecting plate 51 includes a U-shaped connecting plate and a vertical line mounting plate, an opening connected to the outer side of the sleeve 1 is disposed at the top of the U-shaped connecting plate, and positioning members are disposed at two sides of the opening; the bottom of U type connecting plate is connected with the top of plumb line mounting panel, be provided with the spacing groove on the plumb line mounting panel.

The top of U type connecting plate corresponds the outside of sleeve 1 and is provided with semicircular opening, and sleeve 1 coaxial rotation is installed in the opening, accomplishes the back through rotating the adjusting position when sleeve 1, through the setting element of opening both sides with sleeve 1's rigidity. The perpendicular line mounting panel is installed through connecting bolt in the bottom of U type connecting plate, is provided with the spacing groove along the plumb bob direction on the perpendicular line mounting panel, and the bottom of perpendicular line mounting panel is provided with scale block 54.

Furthermore, the locating piece is a locating pin or a locating bolt, and the outer side of the sleeve 1 is tightly pushed through the locating pin or the locating bolt, so that the U-shaped connecting plate and the sleeve 1 are relatively fixed.

Further, the top of spacing groove is provided with the boss, the one end and the boss of plumb line 52 rotate to be connected.

The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.

Example 4:

the present embodiment is further optimized on the basis of any one of the foregoing embodiments 1-3, as shown in fig. 2 and 3, the chuck device 2 includes a mounting support lug 21, a chuck screw 22, and a chuck 23, a plurality of mounting support lugs 21 are uniformly arranged at an opening at one end of the sleeve 1 along the circumferential direction, the chuck screw 22 is arranged on the mounting support lugs 21 along the radial thread of the sleeve 1, and the chuck 23 is arranged at one end of the chuck screw 22.

The chuck 23 is driven to move along the radial direction of the sleeve 1 by rotating the chuck screw 22, so that the chuck 23 clamps the outer side of the machine head support rod, and the machine head support rod is clamped and fixed.

Further, an opening at one end of the sleeve 1 is uniformly provided with three mounting lugs 21 along the circumferential direction, the mounting lugs 21 are provided with threaded holes along the radial direction of the sleeve 1, a chuck screw 22 is installed in the threaded holes in a threaded manner, and one end of the chuck screw 22 is provided with a rotating handle.

Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.

Example 5:

this embodiment is further optimized on the basis of any one of above-mentioned embodiments 1-4, the one end of chuck screw rod 22 is provided with connects the boss, it is provided with the ladder groove to correspond to connect the boss on one side of chuck 23, the ladder groove rotates the joint with connecting the boss.

As shown in fig. 3, the connecting boss is a T-shaped boss, the stepped groove is a T-shaped stepped groove, the connecting boss and the stepped groove can rotate relatively, and the colleagues are limited by the matching of the end surfaces between the stepped groove and the connecting boss, so that the chuck screw 22 can not drive the chuck 23 to rotate synchronously when rotating, but can drive the chuck 23 to move linearly.

Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.

Example 6:

the present embodiment is further optimized on the basis of any one of the above embodiments 1 to 5, as shown in fig. 4, the positioning cylinder 4 includes a connecting flange 41 and a positioning sleeve 42, which are coaxially disposed, the positioning sleeve 42 extends into the opening at the other end of the sleeve 1, and a positioning groove is axially disposed on the positioning sleeve 42; the connecting flange 41 is connected to the end face of the other end of the sleeve 1.

The outer side of the opening at the other end of the sleeve 1 is provided with a connecting support lug corresponding to the connecting hole in the connecting flange 41, the connecting support lug is provided with a sub-connecting hole, and the connecting flange 41 can be installed at the opening at the other end of the sleeve 1 by inserting a connecting bolt into the connecting hole and the sub-connecting hole. The locating sleeve 42 extends to the inside of the sleeve 1 from the opening at the other end of the sleeve 1, and a locating groove matched with a flat key on the handpiece support rod is arranged at one end of the locating sleeve 42 positioned in the sleeve 1.

Further, the constant head tank includes location keyway and open slot, the lateral wall that the position sleeve 42 is located the inside one end of sleeve 1 is provided with the open slot along the axial, the one end of open slot is provided with the location keyway, location keyway and width are less than the width of open slot.

The width of the positioning key groove is equal to the width of a flat key on the machine head support rod, the flat key firstly enters the open slot, and the axial movement of the flat key is guided through the open slot, so that the flat key can smoothly enter the inside of the positioning key groove.

Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. The punching device for the aircraft nose support rod comprises a sleeve (1) with two open ends, and is characterized in that a chuck device (2) is arranged at an opening at one end of the sleeve (1), a positioning cylinder (4) is coaxially arranged at an opening at the other end of the sleeve (1), a positioning end of the positioning cylinder (4) extends into the sleeve (1), a positioning groove is axially arranged at the positioning end of the positioning cylinder (4), a plugging block (3) is arranged in the sleeve (1), and a plurality of guide holes (6) are formed in the side wall of the sleeve (1); the outer side of the sleeve (1) is further provided with a pendulum device (5), the top of the pendulum device (5) is coaxially and rotatably connected with the outer side of the sleeve (1), and the bottom of the pendulum device (5) is provided with scale marks.

2. The aircraft nose strut perforating device as claimed in claim 1, wherein the pendulum mass device (5) comprises a connecting plate (51), a vertical line (52), a pendulum head (53) and a scale block (54), the top of the connecting plate (51) is coaxially and rotatably connected with the outer side of the sleeve (1), a limiting groove is arranged on the connecting plate (51) along the direction of the plumb, one end of the vertical line (52) is rotatably connected with the top of the limiting groove, the other end of the vertical line (52) is provided with the pendulum head (53), and the bottom of the limiting groove is provided with the scale block (54) corresponding to the pendulum head (53).

3. The aircraft nose strut tapping device as claimed in claim 2, wherein the connecting plate (51) comprises a U-shaped connecting plate and a vertical line mounting plate, an opening coaxially and rotatably connected with the outer side of the sleeve (1) is formed in the top of the U-shaped connecting plate, and positioning pieces are arranged on two sides of the opening; the bottom of U type connecting plate is connected with the top of plumb line mounting panel, be provided with the spacing groove on the plumb line mounting panel.

4. The aircraft nose strut hole opening device as claimed in claim 3, wherein a boss is arranged at the top of the limiting groove, and one end of the perpendicular line (52) is rotatably connected with the boss.

5. The aircraft nose strut perforating device as claimed in any one of claims 1 to 4, wherein the chuck device (2) comprises a mounting lug (21), a chuck screw (22) and a chuck (23), a plurality of mounting lugs (21) are uniformly arranged at an opening at one end of the sleeve (1) along a circumferential direction, the chuck screw (22) is arranged on the mounting lugs (21) along a radial thread of the sleeve (1), and the chuck (23) is arranged at one end of the chuck screw (22).

6. The aircraft nose strut perforating device as claimed in claim 5, characterized in that one end of the chuck screw (22) is provided with a connecting boss, a stepped groove is provided on one side of the chuck (23) corresponding to the connecting boss, and the stepped groove is rotationally clamped with the connecting boss.

7. The aircraft nose strut perforating device as claimed in any one of claims 1-4, characterized in that the positioning cylinder (4) comprises a connecting flange (41) and a positioning sleeve (42) which are coaxially arranged, the positioning sleeve (42) extends to the inside of the other end opening of the sleeve (1), and a positioning groove is axially arranged on the positioning sleeve (42); the connecting flange (41) is connected with the end face of the other end of the sleeve (1).

8. The aircraft nose strut perforating device as claimed in claim 7, characterized in that the positioning groove comprises a positioning key groove and an open groove, the side wall of the end of the positioning sleeve (42) located inside the sleeve (1) is provided with an open groove along the axial direction, one end of the open groove is provided with a positioning key groove, and the width of the positioning key groove and the width of the open groove are smaller than the width of the open groove.