CN212601380U

CN212601380U - Positioning tool

Info

Publication number: CN212601380U
Application number: CN202020932778.7U
Authority: CN
Inventors: 何贤民; 邱佳斌; 叶增继; 郭夏阳; 刘立; 李达
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-26
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a positioning tool relates to aircraft manufacturing technical field. The positioning tool is used for positioning the distance between a group of pieces to be mounted and comprises a first positioning assembly, wherein the first positioning assembly comprises a first positioning plate and a plurality of first positioning pins arranged on the first positioning plate at intervals, the first positioning pins extend along the vertical direction, and the distance between any two first positioning pins forms a first array; a set of first support of waiting the installed part to include a plurality of intervals and arranging, the interval between two arbitrary adjacent first supports constitutes the second array, and the second array contains in first array, and first locating pin is used for fixing a position first support. The spacing positioning between the first brackets can be completed through the first positioning assembly, the operation is simple, and the positioning is accurate.

Description

Positioning tool

Technical Field

The utility model relates to an aircraft manufacturing technical field especially relates to a positioning tool.

Background

During the installation of ARJ21 the ceiling of the aircraft cabin, the front and rear positions of the ceiling brackets need to be accurately positioned so that the cabin ceiling can be correctly installed. At present, when an airplane ceiling support is installed, manual marking and positioning are basically carried out by operators, the method cannot completely ensure accurate positioning of the support, the working efficiency is low, and the working progress is seriously influenced. For example, ARJ21-700 airplane ceiling supports are divided into 11 groups along the heading direction, each group comprises 2 left and right supports, and the total number of the supports is 22, if the supports are manually marked and positioned by an operator, the operation is inconvenient, time and labor are wasted, and the mounting intervals of the supports are influenced by errors of structures, pipelines, cables, manual marking and the like, so that the positions of the ceiling supports are not matched with the final mounting points on the ceiling, and the mounting failure is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning tool can treat the interval between two adjacent first supports of installed part to the aircraft and fix a position, simple structure, and the location is accurate.

To achieve the purpose, the utility model adopts the following technical proposal:

a positioning tool for positioning a set of pitches to be installed, wherein the positioning tool comprises:

the first positioning assembly comprises a first positioning plate and a plurality of first positioning pins arranged on the first positioning plate at intervals, the first positioning pins extend in the vertical direction, and the distance between any two first positioning pins forms a first array; the to-be-installed part comprises a plurality of first supports arranged at intervals, the distance between any two adjacent first supports forms a second array, the second array is contained in the first array, and the first positioning pin is used for positioning the first supports.

Optionally, the maximum number in the first array is equal to the maximum number in the second array.

Optionally, the positioning tool further comprises a second positioning assembly, the second positioning assembly comprises a second positioning plate and two second positioning pins arranged on the second positioning plate at intervals, and both the two second positioning pins extend in the vertical direction;

the to-be-installed part further comprises a second support arranged at intervals with the first support, and the two second positioning pins are respectively used for positioning the second support and the first support adjacent to the second support.

Optionally, a plurality of first through holes are arranged on the first positioning assembly at intervals, and the plurality of first positioning pins are respectively inserted into the plurality of first through holes one by one.

Optionally, each of the first brackets is provided with a first pin hole, and the first positioning pin can be in pin connection with the first pin hole.

Optionally, the first positioning assembly further includes a plurality of first bosses disposed on the first positioning plate at intervals, the plurality of first bosses correspond to the plurality of first positioning pins one to one, and when the first positioning pins are pinned to the first pin holes, the first bosses can abut against the side shielding portions of the first pin holes.

Optionally, the first locating pin is six.

Optionally, two second through holes are formed in the second positioning assembly at intervals, and the two second positioning pins are respectively inserted into the two second through holes one by one.

Optionally, a second pin hole is formed in the second bracket, and the two second positioning pins can be respectively in pin joint with the second pin hole and the first pin hole of the first bracket adjacent to the second bracket.

Optionally, the second positioning assembly further includes two second bosses disposed on the second positioning plate at intervals, the two second bosses respectively correspond to the two second positioning pins, and when the two second positioning pins are respectively pin-connected to the second pin hole and the first pin hole, the two second bosses can be respectively abutted to the side shielding portions of the second pin hole and the first pin hole.

The utility model has the advantages that: the utility model provides a positioning tool, arbitrary two first locating pins in the interval homoenergetic of two arbitrary adjacent first supports can be fixed a position through two arbitrary first locating pins in a plurality of first locating pins on the first locating component, can be different according to the requirement of the interval between two first supports of difference, select two first locating pins of suitable distance to fix a position, only just can accomplish the interval location between a plurality of first supports through first locating component, compare with the manual line of drawing among the prior art, simple and convenient and location are accurate.

Drawings

Fig. 1 is a schematic structural diagram of a first positioning assembly provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second positioning assembly provided in an embodiment of the present invention;

fig. 3 is a front view of two adjacent first brackets cooperating with the first positioning assembly according to the embodiment of the present invention;

FIG. 4 is a side view of FIG. 3;

fig. 5 is a front view of a second bracket provided in accordance with an embodiment of the present invention in cooperation with an adjacent first bracket and a second positioning assembly;

fig. 6 is a side view of fig. 5.

In the figure:

11-a first support; 111-a first pin hole; 12-a second scaffold; 121-a second pin hole;

2-a first positioning assembly; 21-a first positioning plate; 22-a first locator pin; 23-a first boss;

3-a second positioning assembly; 31-a second positioning plate; 32-a second locating pin; 33-second boss.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the positioning tool is used for positioning the spacing along a group of members to be mounted, and the positioning tool includes a first positioning assembly 2, where the first positioning assembly 2 includes a first positioning plate 21 and a plurality of first positioning pins 22 arranged on the first positioning plate 21 at intervals, the plurality of first positioning pins 22 all extend in the vertical direction, and the spacing between any two first positioning pins 22 forms a first array; a set of treat the installed part and include a plurality of interval arrangement's first support 11, the interval between two arbitrary adjacent first supports 11 constitutes the second array, and the second array is contained in the first array, and first locating pin 22 is used for fixing a position first support 11. It can be understood that the distance between any two adjacent first brackets 11 can be positioned by any two first positioning pins 22 in the plurality of first positioning pins 22 on the first positioning assembly 2, two first positioning pins 22 with proper distance can be selected for positioning according to different requirements of the distance between two different first brackets 11, and the distance positioning between the plurality of first brackets 11 can be completed only by the first positioning assembly 2.

Specifically, the first positioning pins 22 are six. In this embodiment, the to-be-installed part is a ceiling bracket, and for an airplane of model ARJ21-700, the to-be-installed part includes two groups of ceiling brackets arranged at intervals in the width direction of the top of the airplane cabin, the two groups of ceiling brackets are symmetrically arranged, each group of ceiling brackets is arranged along the heading of the airplane, each group of ceiling brackets has ten first brackets 11, the distance between the ten first brackets 11 has nine groups, and the nine groups of distances can be located by any two first locating pins 22 of the six first locating pins 22. The ceiling of aircraft passes through ceiling support and aircraft cabin top and installs, because ten first supports 11's size is inequality, when carrying out the ceiling installation, according to the size of ceiling and the required first support 11's of a ceiling quantity, need pinpoint the distance between two adjacent first supports 11 in order to guarantee can accurate installation between ceiling and the first support 11, has avoided dismantling the ceiling of having installed, causes the ceiling damage. When the first positioning component 2 is used for positioning, the first support 11 is fixed at the top of the airplane, the distance between two adjacent first supports 11 is determined according to the size of a ceiling to be installed, the second first support 11 is accurately positioned through two first positioning pins 22 with proper distance, and the like, and ten first supports 11 are positioned. In other embodiments, the number of the first positioning pins 22 can be increased or decreased and the distance between the first positioning pins 22 can be adjusted according to the type of airplane and the number of the first brackets 11.

Optionally, the maximum number in the first array is equal to the maximum number in the second array. It can be understood that the number in the first array is the distance between any two first positioning pins 22 in the six first positioning pins 22, where the maximum number is the distance between the two first positioning pins 22 that are farthest from each other in the six first positioning pins 22, the number in the second array is the distance between two adjacent first brackets 11 in the ten first brackets 11, and the maximum number is the distance between two adjacent first brackets 11 that is the largest, the two maximum numbers are equal to each other, so that the distance between the two first positioning pins 22 that are farthest from each other is the distance between the two adjacent first brackets 11 that are farthest from each other, and the size of the first positioning plate 21 only needs to be ensured to satisfy the installation of the two first positioning pins 22 that are farthest from each other. In other embodiments, the size of the first positioning plate 21 is not limited, and only the installation of the first positioning pin 22 is required.

Optionally, a plurality of first through holes are arranged on the first positioning assembly 2 at intervals, and the plurality of first positioning pins 22 are respectively inserted into the plurality of first through holes one by one. In this embodiment, in order to facilitate the detachment and installation of the first positioning pin 22, the first positioning pin 22 is detachably connected to the first through hole. In other embodiments, the first through hole may be a threaded hole, and an external thread may be provided on the first positioning pin 22, so that the first positioning pin 22 is screwed with the first through hole.

Alternatively, as shown in fig. 1 to 4, each first bracket 11 is provided with a first pin hole 111, and the first positioning pin 22 can be pinned with the first pin hole 111. In this embodiment, the first bracket 11 at least includes two first pin holes 111 arranged at intervals according to the difference of the size thereof, when the first positioning assembly 2 is used for positioning, two first positioning pins 22 with proper intervals are respectively inserted into two adjacent first pin holes 111 on two adjacent first brackets 11, and after the positioning is completed, only the first positioning pin 22 needs to be pulled out from the first pin holes 111, so that the operation is simple and convenient.

In this embodiment, the first pin hole 111 of the first bracket 11 of the group of ceiling brackets is a through hole, and the first positioning pin 22 can be inserted into the through hole; the first pin holes 111 of the first bracket 11 of the other set of ceiling brackets are slotted holes into which the first positioning pins 22 can be inserted. In other embodiments, the shape and size of the first positioning pin 22 may be changed according to the structure and size of the first pin hole 111, and it is only necessary to ensure that the first positioning pin 22 can be matched with the first pin hole 111. The first pin hole 111 may be configured as a counterbore or a sliding groove.

In order to further ensure the reliability of the pin joint of the first positioning pin 22 and the first pin hole 111, optionally, the first positioning assembly 2 further includes a plurality of first bosses 23 disposed on the first positioning plate 21 at intervals, the plurality of first bosses 23 correspond to the plurality of first positioning pins 22 one to one, and when the first positioning pin 22 is pin-jointed to the first pin hole 111, the first bosses 23 can abut against the side shielding portions of the first pin hole 111. In this embodiment, the first bosses 23 are six and respectively correspond to the six first positioning pins 22 one-to-one, and according to the structure of the first pin holes 111, the first bosses 23 are disposed at positions deviated from the first positioning pins 22 by a certain distance, so as to ensure that when the first positioning pins 22 are inserted into the first pin holes 111, the first bosses 23 can abut against the side shielding parts of the first pin holes 111, thereby achieving the limiting effect on the first positioning pins 22, preventing the first positioning pins 22 from moving in the positioning process, and improving the positioning accuracy of the first positioning assembly 2.

Optionally, as shown in fig. 1 to 6, the positioning tool further includes a second positioning assembly 3, the second positioning assembly 3 includes a second positioning plate 31 and two second positioning pins 32 spaced apart from each other on the second positioning plate 31, and each of the two second positioning pins 32 extends in a vertical direction; the member to be installed further includes a second bracket 12 spaced apart from the first bracket 11, and two second positioning pins 32 are respectively used for positioning the second bracket 12 and the first bracket 11 adjacent to the second bracket 12. In this embodiment, each group of members to be mounted includes one second bracket 12 and ten first brackets 11, and in a group of members to be mounted, the second bracket 12 is adjacent to the tenth first bracket 11, and the distance between the tenth first bracket 11 and the second bracket 12 can be accurately positioned by two second positioning pins 32. In other embodiments, the number of the second positioning pins 32 may be increased as appropriate according to the number of the second brackets 12.

Optionally, two second through holes are arranged on the second positioning assembly 3 at intervals, and the two second positioning pins 32 are respectively inserted into the two second through holes. In this embodiment, in order to facilitate the disassembly and assembly of the second positioning pin 32, the second positioning pin 32 is detachably connected to the second through hole. In other embodiments, the second through hole may be a threaded hole, and an external thread may be provided on the second positioning pin 32, so that the second positioning pin 32 is screwed with the second through hole.

Optionally, a second pin hole 121 is provided on the second bracket 12, and two second positioning pins 32 can be respectively pin-connected with the second pin hole 121 and the first pin hole 111 of the first bracket 11 adjacent to the second bracket 12. In this embodiment, the number of the second pin holes 121 is six, the six second pin holes 121 are arranged on the second bracket 12 at intervals, and when the second positioning assembly 3 is used for positioning, two second positioning pins 32 are respectively inserted into the first pin hole 111 on the tenth first bracket 11 close to the second bracket 12 and the second pin hole 121 on the sixth first bracket 11 close to the tenth first bracket 11, so as to complete positioning of the distance between the tenth first bracket 11 and the second bracket 12.

In the present embodiment, the second pin hole 121 is identical in structure and size to the first pin hole 111, and therefore the two second positioning pins 32 and the six first positioning pins 22 are also identical in shape and size. In other embodiments, if the second pin hole 121 and the first pin hole 11 are different in structure and size, the two second positioning pins 32 need to be adapted.

In order to further ensure the reliability of the pin joint of the second positioning pin 32 with the first pin hole 111 and the second pin hole 121, optionally, the second positioning assembly 3 further includes two second bosses 33 disposed at intervals on the second positioning plate 31, the two second bosses 33 respectively correspond to the two second positioning pins 32, and when the second positioning pin 32 is respectively pin-jointed with the second pin hole 121 and the first pin hole 111, the second bosses 33 can respectively abut against the side shielding portions of the second pin hole 121 and the first pin hole 111. In this embodiment, according to the structures of the first pin hole 111 and the second pin hole 121, the second boss 33 is disposed at a position deviated from the second positioning pin 32 by a certain distance, so as to ensure that when the second positioning pin 32 is inserted into the first pin hole 111 and the second pin hole 121, the second boss 33 can be respectively abutted against the side shielding portions of the first pin hole 111 and the second pin hole 121, thereby realizing the limiting effect on the second positioning pin 32, preventing the second positioning pin 32 from moving in the positioning process, and improving the positioning accuracy of the second positioning assembly 3.

In the present embodiment, as shown in fig. 1 and 2, the first positioning plate 21 and the second positioning plate 31 are both square. In other embodiments, both the first positioning plate 21 and the second positioning plate 31 may be provided in a circular shape, or the shapes of the first positioning plate 21 and the second positioning plate 31 may be different.

In the embodiment, along the width direction of the top of the aircraft cabin, the aircraft cabin comprises two groups of ceiling brackets, each group of ceiling brackets extends along the aircraft heading direction, and the two groups of ceiling brackets are symmetrical relative to the aircraft heading direction, wherein each group of ceiling brackets comprises ten first brackets 11 and one second bracket 12, the second brackets 12 are arranged adjacent to the tenth first brackets 11, and the ten groups of ceiling brackets have a spacing, the nine groups of spacing between the ten first brackets 11 can be positioned by any two of the six first positioning pins 22 of the first positioning component 2, the spacing between the tenth first brackets 11 and the second brackets 12 can be positioned by two second positioning pins 32 of the second positioning component 3, the other group of ceiling brackets also adopts the same mode for positioning, the positioning is accurate, and the first positioning component 2 and the second positioning component 3 have simple structures and are convenient to operate, the working efficiency can be greatly improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A positioning tool for positioning a set of pitches to be installed, the positioning tool comprising:

the first positioning assembly (2) comprises a first positioning plate (21) and a plurality of first positioning pins (22) arranged on the first positioning plate (21) at intervals, the first positioning pins (22) extend along the vertical direction, and the distance between any two first positioning pins (22) forms a first array; the piece to be installed comprises a plurality of first supports (11) which are arranged at intervals, the distance between any two adjacent first supports (11) forms a second array, the second array is contained in the first array, and the first positioning pin (22) is used for positioning the first supports (11).

2. The positioning tool of claim 1, wherein the maximum number in the first array is equal to the maximum number in the second array.

3. The positioning tool according to claim 1, further comprising a second positioning assembly (3), wherein the second positioning assembly (3) comprises a second positioning plate (31) and two second positioning pins (32) arranged at intervals on the second positioning plate (31), wherein both second positioning pins (32) extend in a vertical direction;

the part to be installed further comprises a second support (12) arranged at an interval with the first support (11), and the two second positioning pins (32) are used for positioning the second support (12) and the first support (11) adjacent to the second support (12) respectively.

4. The positioning tool according to claim 3, wherein a plurality of first through holes are formed in the first positioning assembly (2) at intervals, and a plurality of first positioning pins (22) are respectively inserted into the plurality of first through holes one by one.

5. The positioning tool according to claim 4, characterized in that each first bracket (11) is provided with a first pin hole (111), and the first positioning pin (22) can be pinned with the first pin hole (111).

6. The positioning tool according to claim 5, wherein the first positioning assembly (2) further comprises a plurality of first bosses (23) arranged on the first positioning plate (21) at intervals, the plurality of first bosses (23) correspond to the plurality of first positioning pins (22) one by one, and when the first positioning pins (22) are pinned with the first pin holes (111), the first bosses (23) can abut against side shielding portions of the first pin holes (111).

7. Positioning tool according to claim 6, characterized in that the first positioning pin (22) is six.

8. The positioning tool according to claim 5, wherein two second through holes are arranged at intervals on the second positioning assembly (3), and the two second positioning pins (32) are respectively inserted into the two second through holes.

9. The positioning tool according to claim 8, characterized in that a second pin hole (121) is provided on the second bracket (12), and two second positioning pins (32) are capable of being pinned with the second pin hole (121) and the first pin hole (111) of the first bracket (11) adjacent to the second bracket (12), respectively.

10. The positioning tool according to claim 9, wherein the second positioning assembly (3) further comprises two second bosses (33) spaced apart from each other on the second positioning plate (31), the two second bosses (33) respectively correspond to the two second positioning pins (32), and when the two second positioning pins (32) are respectively pinned to the second pin hole (121) and the first pin hole (111), the two second bosses (33) can respectively abut against side shielding portions of the second pin hole (121) and the first pin hole (111).