CN219361336U

CN219361336U - Fuselage connection supporting structure

Info

Publication number: CN219361336U
Application number: CN202223387077.8U
Authority: CN
Inventors: 沈超
Original assignee: Suzhou Haizhong Aviation Technology Co ltd
Current assignee: Suzhou Haizhong Aviation Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-07-18
Anticipated expiration: 2032-12-16

Abstract

The utility model particularly relates to a machine body connecting support structure which comprises two mutually matched support main rods, wherein arc-shaped support plates which are mutually matched are respectively fixed on the back end surfaces of the two support main rods, a first threaded rod which is in threaded fit with the two support main rods is rotatably arranged between the two support main rods, a limit sleeve is fixed inside the opposite end surfaces of the two support main rods, through cavities which are spliced with the limit sleeve are formed in two ends of the first threaded rod, limit inserted rods which are spliced with the limit sleeves on two sides are rotatably arranged in the through cavities, limit rotating holes are formed in the through cavities, limit rotating blocks which are rotatably connected with the limit rotating holes are fixed in the middle of the limit inserted rods, limit inserting holes which are spliced with the limit inserted rods are formed in the opposite end surfaces of the two limit sleeve, and limit plates which are slidably matched with the inner cavities of the limit sleeve are fixed at two ends of the limit inserted rods.

Description

Fuselage connection supporting structure

Technical Field

The utility model relates to the technical field of machine body processing, in particular to a machine body connecting and supporting structure.

Background

When aircraft fuselage subassembly was processed, need set up bearing structure in the fuselage inside, support the location to fuselage both sides plate, when processing, avoid the both sides plate to appear collapsing, in order to protect the inside staff of fuselage, and current fuselage plate bearing structure mainly adopts the bracing setting, set up the supporting seat on the plane promptly, through structure such as diagonal brace, support the fuselage plate, this kind of mode is nevertheless can support the fuselage plate, but owing to set up the supporting seat on the fuselage inside plane, lead to the staff to produce the contact with it easily, this obviously can lead to the staff action inconvenient, and there is great potential safety hazard, for this reason, we propose a fuselage connection bearing structure.

Disclosure of Invention

The object of the present utility model is to provide a fuselage connection support structure that solves the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fuselage connection bearing structure, includes two support mobile jib that match each other, two support the mobile jib and be fixed with the arc backup pad that matches each other respectively in the terminal surface dorsad, two support and install the first threaded rod of both screw-thread fit between the mobile jib, two support mobile jib and be fixed with spacing sleeve in the terminal surface inside in opposite directions, the logical chamber of pegging graft with spacing sleeve has been seted up at first threaded rod both ends, lead to the intracavity rotation and install the spacing inserted bar of pegging graft with both sides spacing sleeve.

As a further description of the above technical solution:

the through cavity is internally provided with a limiting rotating hole, and the middle part of the limiting inserted link is fixedly provided with a limiting rotating block rotationally connected with the limiting rotating hole.

As a further description of the above technical solution:

limiting jacks spliced with limiting inserted rods are formed in opposite end faces of the two limiting sleeves, and limiting plates which are in sliding fit with inner cavities of the limiting sleeves are fixed at two ends of the limiting inserted rods.

As a further description of the above technical solution:

the outer end face of the arc-shaped supporting plate is provided with an arc-shaped limiting groove, two arc-shaped extending plates which are vertically symmetrically arranged are slidably installed in the arc-shaped limiting groove, and the outer end face of the arc-shaped extending plate is inserted with a positioning plate which is attached to the inner wall of the arc-shaped limiting groove.

As a further description of the above technical solution:

the arc-shaped locating grooves are formed in two sides of the arc-shaped locating groove, the limiting slots are formed in two sides of the arc-shaped extending plate, and the locating plate is inserted into the limiting slots.

As a further description of the above technical solution:

the inner side of the limiting slot is provided with a positioning rotating hole, a second threaded rod in threaded fit with the positioning plate is rotatably arranged in the positioning rotating hole, and the second threaded rod is inserted into the arc-shaped positioning slot.

The effective effects are as follows:

the utility model provides a fuselage connection support structure. The beneficial effects are as follows:

this fuselage connection bearing structure, through the screw thread cooperation between first threaded rod and the two support mobile jib, can drive two arc type backup pads and move in opposite directions or dorsad, through two arc type backup pads, can support fuselage both sides plate, and need not to set up the supporting seat, can avoid the staff to produce the contact with the device, guarantees work efficiency, reduces the potential safety hazard.

According to the machine body connecting support structure, the arc-shaped extension plate can be slid at the outer end of the arc-shaped support plate through sliding fit between the arc-shaped extension plate and the arc-shaped limiting groove, so that the support range of the arc-shaped extension plate and the arc-shaped support plate can be expanded, the service performance of the machine body connecting support structure is improved, and the positioning plate can be driven to move through threaded fit between the second threaded rod and the positioning plate, so that the positioning plate is attached to the arc-shaped limiting groove, and the arc-shaped extension plate can be positioned.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the support boom of the present utility model;

FIG. 3 is a schematic view of the inside of the support boom of the present utility model in a disassembled configuration;

FIG. 4 is a schematic view of an external split structure of an arc-shaped support plate according to the present utility model;

FIG. 5 is a schematic view showing the internal structure of an arc-shaped support plate according to the present utility model;

fig. 6 is a schematic view of an inner split structure of an arc-shaped support plate according to the present utility model.

Reference numerals illustrate:

1. supporting the main rod; 2. an arc-shaped support plate; 3. a first threaded rod; 4. a limit inserted link; 5. a limit sleeve; 6. a cavity is communicated; 7. limiting the rotation hole; 8. a limit rotating block; 9. limiting jack; 10. a limiting plate; 11. an arc-shaped extension plate; 12. an arc-shaped limit groove; 13. an arc-shaped positioning groove; 14. a positioning plate; 15. a second threaded rod; 16. positioning the rotating hole; 17. and a limiting slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, a fuselage connection supporting structure, including two support mobile jib 1 that match each other, two support mobile jib 1 are fixed with arc type backup pad 2 that match each other respectively to the terminal surface dorsad, rotate between two support mobile jib 1 and install two screw-thread fit's first threaded rod 3, two support mobile jib 1 are fixed with spacing sleeve 5 inside the terminal surface in opposite directions, first threaded rod 3 both ends have offered the logical chamber 6 of pegging graft with spacing sleeve 5, lead to chamber 6 internal rotation install with both sides spacing sleeve 5 peg graft spacing inserted bar 4.

Specifically, arrange this bearing structure in the fuselage, between two support mobile jib 1, it is spacing to carry out the arc type backup pad 2, avoid it to appear rotating, and rotate first threaded rod 3, under the grafting cooperation between spacing inserted bar 4 and spacing sleeve 5, pivoted first threaded rod 3, can be in logical chamber 6, the restriction of the direction of motion of spacing sleeve 5 and support mobile jib 1, make pivoted first threaded rod 3, can drive two support mobile jib 1 dorsad movements through its screw-thread fit between two support mobile jib 1, and then make two arc type backup pads 2 laminate with fuselage both sides plate respectively, thereby can support the location to the fuselage plate.

A limiting rotating hole 7 is formed in the through cavity 6, a limiting rotating block 8 rotationally connected with the limiting rotating hole 7 is fixed in the middle of the limiting inserted rod 4, limiting insertion holes 9 spliced with the limiting inserted rod 4 are formed in the opposite end faces of the two limiting sleeves 5, and limiting plates 10 in sliding fit with the inner cavities of the limiting sleeves 5 are fixed at two ends of the limiting inserted rod 4.

Specifically, through the normal running fit between spacing pivoted hole 7 and the spacing pivoted piece 8, when rotating first threaded rod 3, avoid first threaded rod 3 to drive spacing inserted bar 4 and rotate along with it, set up spacing jack 9, through the grafting cooperation between its and spacing inserted bar 4, can restrict spacing sleeve 5 direction of motion, set up limiting plate 10, can carry out spacingly to spacing sleeve 5 movement interval, avoid appearing the separation between support mobile jib 1 and the arc backup pad 2.

The outer end face of the arc-shaped supporting plate 2 is provided with an arc-shaped limiting groove 12, two arc-shaped extending plates 11 which are vertically symmetrically arranged are slidably installed in the arc-shaped limiting groove 12, the outer end face of the arc-shaped extending plates 11 is inserted with positioning plates 14 which are attached to the inner wall of the arc-shaped limiting groove 12, two sides of the arc-shaped limiting groove 12 are provided with arc-shaped positioning grooves 13, two sides of the arc-shaped extending plates 11 are provided with limiting slots 17, the positioning plates 14 are inserted into the limiting slots 17, the inner sides of the limiting slots 17 are provided with positioning rotating holes 16, second threaded rods 15 which are in threaded fit with the positioning plates 14 are installed in the positioning rotating holes 16 in a rotating mode, and the second threaded rods 15 are inserted into the arc-shaped positioning grooves 13.

Specifically, through the sliding fit between arc type spacing groove 12 and the arc type extension board 11, can slide two upper and lower arc type extension boards 11 in arc type spacing groove 12, through the cooperation between two arc type spacing grooves 12 and the arc type backup pad 2, can expand the support scope of arc type backup pad 2, make its both support scopes match with the fuselage plate, and the arc type extension board 11 of motion can drive second threaded rod 15 and slide in arc type constant head tank 13, outside arc type constant head tank 13, rotate second threaded rod 15, limit slot 17 is to the restriction of locating plate 14 direction of motion under, pivoted second threaded rod 15, through its screw thread fit with between the locating plate 14, can drive locating plate 14 outward movement, make locating plate 14 and the laminating of arc type spacing groove 12 inside wall, can be in arc type spacing groove 12, fix a position arc type extension board 11.

Claims

1. The utility model provides a fuselage connection bearing structure, includes two support mobile jib (1) that match each other, its characterized in that: two support mobile jib (1) are fixed with arc type backup pad (2) of mutual matching respectively facing away from the terminal surface, two rotate between supporting mobile jib (1) and install two screw-thread fit's first threaded rod (3), two support mobile jib (1) facing away from terminal surface inside is fixed with spacing sleeve (5), logical chamber (6) with spacing sleeve (5) grafting are seted up at first threaded rod (3) both ends, lead to chamber (6) internal rotation install spacing inserted bar (4) with both sides spacing sleeve (5) grafting.

2. A fuselage connection support structure as defined in claim 1, wherein: a limiting rotating hole (7) is formed in the through cavity (6), and a limiting rotating block (8) rotationally connected with the limiting rotating hole (7) is fixed in the middle of the limiting inserting rod (4).

3. A fuselage connection support structure as defined in claim 2, wherein: limiting jacks (9) spliced with the limiting inserting rods (4) are formed in opposite end faces of the two limiting sleeves (5), and limiting plates (10) in sliding fit with inner cavities of the limiting sleeves (5) are fixed at two ends of the limiting inserting rods (4).

4. A fuselage connection support structure as defined in claim 1, wherein: the arc-shaped support plate is characterized in that an arc-shaped limiting groove (12) is formed in the outer end face of the arc-shaped support plate (2), two arc-shaped extension plates (11) which are arranged symmetrically up and down are slidably installed in the arc-shaped limiting groove (12), and a positioning plate (14) attached to the inner wall of the arc-shaped limiting groove (12) is inserted into the outer end face of the arc-shaped extension plates (11).

5. The fuselage connection support structure of claim 4, wherein: arc type constant head tank (13) have been seted up to arc type spacing groove (12) both sides, spacing slot (17) have been seted up to arc type extension board (11) both sides, locating plate (14) are pegged graft in spacing slot (17).

6. The fuselage connection support structure of claim 5, wherein: the inner side of the limiting slot (17) is provided with a positioning rotating hole (16), a second threaded rod (15) in threaded fit with the positioning plate (14) is rotatably arranged in the positioning rotating hole (16), and the second threaded rod (15) is inserted into the arc-shaped positioning groove (13).