CN216542854U

CN216542854U - Aircraft pressure bulkhead support location frock

Info

Publication number: CN216542854U
Application number: CN202122661730.4U
Authority: CN
Inventors: 王兴飞; 刘然; 郭玉林
Original assignee: Harbin Tianhe Machinery Manufacturing Co ltd
Current assignee: Harbin Tianhe Machinery Manufacturing Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-17
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an aircraft pressure bulkhead support positioning tool which comprises a base, wherein the inner wall of the base is movably connected with a shell, one end of a straight rod is fixedly connected with a handle, a connecting piece is arranged above the straight rod, a first high-head knurled nut is arranged on one side of the connecting piece, a handle nut is arranged below one side of the connecting piece, and a second high-head knurled nut is arranged above one side of the connecting piece. The utility model relates to the technical field of airplane part processing, wherein a straight rod, a round rod and a bolt are matched, and a first spring is elastically deformed to drive the round rod to be clamped in different grooves of a circular plate for fixing, so that the change of an angle is realized.

Description

Aircraft pressure bulkhead support location frock

Technical Field

The utility model relates to the technical field of aircraft assembly, in particular to a positioning tool for an aircraft pressure bulkhead bracket.

Background

The airplane assembly is an important link of airplane manufacturing, the coordination between parts, parts and tools, and between tools is ensured, and the airplane manufacturing coordination mode for ensuring the assembly accuracy is an important characteristic of airplane manufacturing. The pressure bulkhead is the main bearing structural part of the airplane, and the assembly quality of the pressure bulkhead influences the service life of the airplane. The pressure bulkhead requires a positioning tool in the assembly.

The existing device adopts a connecting piece to fix the pressure bulkhead bracket during working and simultaneously assembles the pressure bulkhead bracket.

However, the angle of the connecting piece is not convenient to change when the existing device works, and the user is required to move to carry out assembly work when the device is actually used, so that the burden is increased for the assembly work, and the work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a positioning tool for an aircraft pressure bulkhead bracket, which solves the problems that the angle of a connecting piece is not convenient to change when the existing device works, and a user is required to move to carry out assembly work when the existing device is actually used, so that the burden is increased for the assembly work, and the work efficiency is reduced.

In order to realize the purpose, the utility model is realized by the following technical scheme: a positioning tool for a pressure bulkhead bracket of an airplane comprises a base, wherein the inner wall of the base is movably connected with a shell, the top of the shell is rotationally connected with a straight rod through a bearing, the bottom of the straight rod is fixedly connected with a circular plate, the bottom of the circular plate is attached to the bottom of the inner wall of the shell, a circular rod is in clearance fit with a groove on one side of the top of the circular plate, the upper part of the outer wall of the round rod is in clearance fit with the through hole at the top of the shell, the outer wall of the round rod is in clearance fit with a first spring, two ends of the first spring are respectively and fixedly connected with the top of the inner wall of the shell and the lower part of the round rod, one end of the straight rod is fixedly connected with a handle, a connecting piece is arranged above the straight rod, a first high-head knurled nut is arranged on one side of the connecting piece, and a handle nut is arranged below one side of the connecting piece, and a second high-head knurled nut is arranged above one side of the connecting piece.

Preferably, one side recess clearance fit of casing has the bolt, the outer wall of bolt respectively with one side through-hole of casing and one side through-hole clearance fit of base, the outer wall rigid coupling of bolt has the baffle, one side of baffle is through the one side fixed connection of bolt and base, the outer wall clearance fit of bolt has the second spring, the both ends of second spring respectively with one side of base and one side fixed connection of baffle, one side rigid coupling that the bolt was kept away from to the base has the slide rail, the outer wall slip joint of slide rail has the fixture block, one side rigid coupling of fixture block has the third spring, one side of third spring and one side fixed connection of slide rail.

Preferably, the slide rail and the fixture block form a slide limiting mechanism.

Preferably, the top rigid coupling of casing has the annular plate, the top recess slip joint of annular plate has the curved bar, the inner wall of curved bar and the outer wall fixed connection of straight-bar, the pointer is installed to one side of curved bar.

Preferably, the top rigid coupling of straight-bar has the square shell, one side of square shell rotates through the bearing and links to each other there is the worm, the outer wall meshing of worm links to each other there is the worm wheel, the back of worm wheel links to each other through the inner wall back rotation of round pin axle with the square shell, the top of worm wheel and the bottom fixed connection of connecting piece, the outer wall below of connecting piece and the top through-hole clearance fit of square shell.

Advantageous effects

The utility model provides a positioning tool for a pressure bulkhead bracket of an airplane. The method has the following beneficial effects: this aircraft is pressure bulkhead support location frock for parts machining passes through the straight-bar, cooperation between round bar and the bolt, the user is when the angle that changes the connecting piece, can upwards stimulate the round bar earlier, the round bar drives first spring and takes place elastic deformation, the rotation handle, arrive after the assigned position, the user can loosen the round bar, first spring this moment takes place elastic deformation and drives the round bar joint and fix in the different recesses of plectane, so just realized the change of angle, whole process is simple swift, the angle of change connecting piece when having solved current device and carrying out the during operation not convenient for has been solved, need the user to remove to carry out assembly work when in-service use, the problem of burden has been increased for assembly work like this, work efficiency is improved.

Through the cooperation between worm wheel, worm and the handle, the user can rotate the handle of worm in assembling process, and the worm accessible meshing drives the worm wheel and rotates when rotating, and the worm wheel can drive the part slope of connecting piece and its inside when rotating, and the user of being convenient for assembles the other positions of part, and the user also can stimulate the bolt and stimulate the fixture block and take off the device from the base in addition, is convenient for maintain and the maintenance it.

Drawings

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic view of the straight rod, the round rod and the plug in FIG. 2;

fig. 4 is a schematic structural view of the worm wheel, the worm and the handle in fig. 2.

In the figure: 1. the device comprises a base, 2, a shell, 3, a straight rod, 4, a circular plate, 5, a circular rod, 6, a first spring, 7, a clamping block, 8, a sliding rail, 9, a third spring, 10, a bolt, 11, a baffle, 12, a second spring, 13, an annular plate, 14, a curved rod, 15, a pointer, 16, a square shell, 17, a worm, 18, a worm wheel, 19, a connecting piece, 20, a handle, 21, a first high-head knurled nut, 22, a handle nut, 23 and a second high-head knurled nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

The first embodiment is as follows: as shown in figures 1-3, the positioning tool for the aircraft pressure bulkhead bracket comprises a base 1, a shell 2 is movably connected to the inner wall of the base 1, a straight rod 3 is rotatably connected to the top of the shell 2 through a bearing, a circular plate 4 is fixedly connected to the bottom of the straight rod 3, the bottom of the circular plate 4 is attached to the bottom of the inner wall of the shell 2, a circular rod 5 is in clearance fit with a groove on one side of the top of the circular plate 4, a plurality of grooves are annularly and equidistantly formed above the circular plate 4, a through hole on the top of the shell 2 is in clearance fit with the upper part of the outer wall of the circular rod 5, a first spring 6 is in clearance fit with the outer wall of the circular rod 5, two ends of the first spring 6 are respectively fixedly connected with the top of the inner wall of the shell 2 and the lower part of the circular rod 5, a handle 20 is fixedly connected to one end of the straight rod 3, the handle 20 is convenient for a user to rotate the straight rod 3, a connecting piece 19 is arranged above the straight rod 3, a first high-head knurled nut 21 is arranged on one side of the connecting piece 19, a handle nut 22 is arranged below one side of the connecting piece 19, and a second high-head knurled nut 23 is arranged above one side of the connecting piece 19;

in the specific implementation, it is worth mentioning: concretely, when using this aircraft is pressure bulkhead support location frock for parts machining, through straight-bar 3, cooperation between round bar 5 and the bolt 10, the user is when changing connecting piece 19's angle, can upwards stimulate round bar 5 earlier, round bar 5 drives first spring 6 and takes place elastic deformation, rotate handle 20, reach the assigned position back, the user can loosen round bar 5, first spring 6 at this moment takes place elastic deformation and drives round bar 5 joint and fix in the different recesses of plectane 4, so just realized the change of angle, whole process is simple swift, the problem of current device when carrying out the during operation change connecting piece 19 not convenient for has been solved, need the user to remove when in-service use and carry out assembly work, the problem of burden has been increased for assembly work like this, and the work efficiency is improved.

Example two: as can be seen from fig. 1, 2 and 4, a groove on one side of the housing 2 is in clearance fit with a pin 10, an outer wall of the pin 10 is in clearance fit with a through hole on one side of the housing 2 and a through hole on one side of the base 1, respectively, the pin 10 can move in the through hole on one side of the housing 2 and the through hole on one side of the base 1, the outer wall of the pin 10 is fixedly connected with a baffle 11, one side of the baffle 11 is fixedly connected with one side of the base 1 through a bolt, the outer wall of the pin 10 is in clearance fit with a second spring 12, two ends of the second spring 12 are fixedly connected with one side of the base 1 and one side of the baffle 11, respectively, one side of the base 1 away from the pin 10 is fixedly connected with a slide rail 8, the outer wall of the slide rail 8 is slidably connected with a fixture block 7, one side of the fixture block 7 is fixedly connected with a third spring 9, and one side of the third spring 9 is fixedly connected with one side of the slide rail 8;

in the specific implementation process, it is worth pointing out that a user can drive the second spring 12 to compress when pulling the plug pin 10, can drive the third spring 9 to compress when pulling the fixture block 7, and can take out the connecting piece 19 for maintenance and repair, when the plug pin 10 and the fixture block 7 can be respectively driven to be clamped with the shell 2 through the elastic deformation of the second spring 12 and the third spring 9, so as to realize fixation;

further, the slide rail 8 and the fixture block 7 form a slide limiting mechanism;

in the specific implementation process, it is worth particularly pointing out that the fixture block 7 is ensured to move horizontally and linearly;

further, an annular plate 13 is fixedly connected to the top of the shell 2, scales are machined above the annular plate 13, a curved rod 14 is connected to a groove in the top of the annular plate 13 in a sliding and clamping mode, the inner wall of the curved rod 14 is fixedly connected with the outer wall of the straight rod 3, and a pointer 15 is installed on one side of the curved rod 14;

in the specific implementation process, it is worth pointing out that when the user rotates the straight rod 3, the straight rod 3 drives the pointer 15 to rotate, and the user can observe the position of the pointer 15 on the annular plate 13 to determine the specific rotation angle;

further, a square shell 16 is fixedly connected to the top of the straight rod 3, one side of the square shell 16 is rotatably connected with a worm 17 through a bearing, a rubber pad is mounted at the bearing of the worm 17 to generate a damping effect, the outer wall of the worm 17 is meshed and connected with a worm wheel 18, the back of the worm wheel 18 is rotatably connected with the back of the inner wall of the square shell 16 through a pin shaft, the top of the worm wheel 18 is fixedly connected with the bottom of a connecting piece 19, and the lower part of the outer wall of the connecting piece 19 is in clearance fit with a through hole at the top of the square shell 16;

in the specific implementation process, the worm 17 and the worm wheel 18 in the device are matched to drive the connecting piece 19 and the parts inside the connecting piece to incline, so that a user can assemble the parts at other positions conveniently;

specifically, on the basis of the first embodiment, during the assembly process, a user can rotate the handle of the worm 17, the worm 17 can drive the worm wheel 18 to rotate through meshing when rotating, the worm wheel 18 can drive the connecting piece 19 and the parts inside the connecting piece to incline when rotating, so that the user can assemble other positions of the parts conveniently, and the user can pull the bolt 10 and pull the fixture block 7 to remove the device from the base 1, so that the device is convenient to maintain and repair.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aircraft pressure bulkhead support location frock, includes base (1), its characterized in that: the inner wall of the base (1) is movably connected with a shell (2), the top of the shell (2) is connected with a straight rod (3) through a bearing in a rotating mode, a circular plate (4) is fixedly connected to the bottom of the straight rod (3), the bottom of the circular plate (4) is attached to the bottom of the inner wall of the shell (2), a circular rod (5) is arranged on one side of the top of the circular plate (4) in a groove clearance fit mode, a through hole in the top of the outer wall of the circular rod (5) is in clearance fit with the through hole in the top of the shell (2), a first spring (6) is arranged on the outer wall of the circular rod (5) in a clearance fit mode, two ends of the first spring (6) are fixedly connected with the top of the inner wall of the shell (2) and the lower portion of the circular rod (5) respectively, a handle (20) is fixedly connected to one end of the straight rod (3), a connecting piece (19) is arranged above the straight rod (3), a first high-head knurled nut (21) is arranged on one side of the connecting piece (19), a handle nut (22) is arranged below one side of the connecting piece (19), and a second high-head knurled nut (23) is arranged above one side of the connecting piece (19).

2. The aircraft pressure bulkhead bracket positioning tool according to claim 1, characterized in that: a bolt (10) is in clearance fit with a groove at one side of the shell (2), the outer wall of the bolt (10) is in clearance fit with a through hole at one side of the shell (2) and a through hole at one side of the base (1) respectively, a baffle (11) is fixedly connected with the outer wall of the bolt (10), one side of the baffle (11) is fixedly connected with one side of the base (1) through a bolt, a second spring (12) is in clearance fit with the outer wall of the bolt (10), two ends of the second spring (12) are respectively fixedly connected with one side of the base (1) and one side of the baffle (11), a slide rail (8) is fixedly connected to one side of the base (1) far away from the bolt (10), a clamping block (7) is slidably clamped on the outer wall of the sliding rail (8), a third spring (9) is fixedly connected to one side of the clamping block (7), one side of the third spring (9) is fixedly connected with one side of the sliding rail (8).

3. The aircraft pressure bulkhead bracket positioning tool of claim 2, characterized in that: the sliding rail (8) and the clamping block (7) form a sliding limiting mechanism.

4. The aircraft pressure bulkhead bracket positioning tool of claim 1, characterized in that: the top rigid coupling of casing (2) has annular slab (13), the top recess slip joint of annular slab (13) has curved bar (14), the outer wall fixed connection of the inner wall of curved bar (14) and straight-bar (3), pointer (15) are installed to one side of curved bar (14).

5. The aircraft pressure bulkhead bracket positioning tool of claim 1, characterized in that: the top rigid coupling of straight-bar (3) has square shell (16), one side of square shell (16) is rotated through the bearing and is linked to each other worm (17), the outer wall meshing of worm (17) links to each other worm wheel (18), the back of worm wheel (18) is rotated through the inner wall back of round pin axle with square shell (16) and is linked to each other, the top of worm wheel (18) and the bottom fixed connection of connecting piece (19), the top through-hole clearance fit of the outer wall below and the square shell (16) of connecting piece (19).