CN216324914U

CN216324914U - Rivet is demolishd auxiliary device

Info

Publication number: CN216324914U
Application number: CN202123029353.9U
Authority: CN
Inventors: 董英信; 郑颖; 高杰业; 陈冠华; 郭晶; 李谢峰; 张永波
Original assignee: Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The utility model belongs to the technical field of tools for removing headed rivets on aircrafts, and discloses a rivet removal auxiliary device. This appurtenance is demolishd to rivet includes first support and second support, is provided with first guide hole on the first support, and the second support sets up the one end at first support dismantled and assembled, and the one end that first support was kept away from to the second support is provided with the constant head tank, constant head tank and second guide hole intercommunication. According to the auxiliary device for removing the rivets, the second support is detachably arranged on the first support, so that the corresponding second support can be replaced according to rivets of different types, the auxiliary device is simple and convenient, time and labor are saved, and the application range of the auxiliary device for removing the rivets is widened.

Description

Rivet is demolishd auxiliary device

Technical Field

The utility model relates to the technical field of tools for removing headed rivets on aircrafts, in particular to a rivet removal auxiliary device.

Background

The headed rivet is a structural fastener used in great amount in airplane, and is mainly used for the permanent riveting installation of structural parts. During the scheduled maintenance, when repairing, refitting or replacing parts of an aircraft, a large number of headed rivets are often removed.

In some standard dismantling schemes, when a headed rivet is dismantled, a file is firstly used for filing the upper surface of the rivet head, a center punch is used for punching a positioning point at the center position of the rivet head, then the rivet head is drilled by a cobalt head, the verticality of a drill bit is controlled during the dismantling process so as to prevent drilling damage, the whole steps are complicated and relatively difficult, and if the filing step is adopted, the flatness of the filed plane and the parallelism of the riveted plate surface are difficult to master.

The risk is big when having first rivet to demolish, mainly because the nail head upper surface is a sphere, and the location is more difficult, and the straightness that hangs down when especially drilling is difficult to control, frequently takes place to run in the actual work and bores, inclined drilling and leads to the hole to be bored the condition of hindering, parts are scrapped.

The auxiliary device for removing the existing rivet is of an integrated structure, and needs to be integrally replaced when the rivets of different models are removed, which is troublesome and laborious.

Accordingly, there is a need for a rivet removal aid that addresses the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rivet removing auxiliary device, which can solve the problems that the rivet removing auxiliary device in the prior art is small in application range, needs to be integrally replaced when rivets of different types are removed, and wastes time and labor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rivet removal assist apparatus comprising:

the first bracket is provided with a first guide hole;

the second support is detachably arranged at one end of the first support, a second guide hole is formed in the second support, the first guide hole and the second guide hole are coaxially arranged, a positioning groove is formed in one end, far away from the first support, of the second support, and the positioning groove is communicated with the second guide hole.

Optionally, the second bracket is clamped or screwed with the first bracket.

Optionally, be provided with arc binding face on the constant head tank, the radian orientation of arc binding face is close to the direction of first support, arc binding face can laminate on waiting to demolish the nut of rivet.

Optionally, the roughness of the arc-shaped abutting surface is 0.8.

Optionally, the width of the positioning slot is equal to the nominal diameter of the nut.

Optionally, the outer surface of the first bracket is provided with an anti-slip structure.

Optionally, the anti-slip structure is a corrugated bump or a star-shaped bump.

Optionally, one end of the first support, which is far away from the second support, is provided with a chamfer, and one end of the second support, which is far away from the first support, is provided with a chamfer.

Optionally, a tapered transition section is arranged at one end of the first bracket connected with the second bracket, and the minimum diameter of the transition section can be connected with the first bracket. .

Optionally, the first bracket and the second bracket are both made of an alloy material.

The utility model has the advantages that:

according to the auxiliary device for removing the rivets, the second support is detachably arranged on the first support, so that the corresponding second support can be replaced according to rivets of different types, the auxiliary device is simple and convenient, time and labor are saved, and the application range of the auxiliary device for removing the rivets is widened.

Drawings

FIG. 1 is a schematic cross-sectional view of a rivet removal aid provided by the present invention.

In the figure:

1. a first bracket; 11. a first guide hole; 12. a connecting portion; 13. a transition section;

2. a second bracket; 21. a second guide hole; 22. positioning a groove; 221. an arc-shaped binding surface; 23. and assembling the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

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, removably 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides an auxiliary device is demolishd to rivet, as shown in fig. 1, this auxiliary device is demolishd to rivet includes first support 1 and second support 2, be provided with first guide hole 11 on the first support 1, can play the guide effect to the drill bit, second support 2 sets up the one end at first support 1 dismantled and assembled, be provided with second guide hole 21 on the second support 2, first guide hole 11 and the coaxial line setting of second guide hole 21, the one end that first support 1 was kept away from to second support 2 is provided with constant head tank 22, constant head tank 22 and second guide hole 21 intercommunication, constant head tank 22 can play the positioning action to second support 2, guarantee that second support 2 can closely laminate on waiting to demolish the nut of rivet.

The rivet removing auxiliary device provided by the embodiment is capable of replacing the corresponding second support 2 according to rivets of different models by detachably arranging the second support 2 on the first support 1, is simple and convenient, saves time and labor, and improves the application range of the rivet removing auxiliary device.

Optionally, second support 2 and first support 1 joint or threaded connection,

second support

2 and 1 threaded connection of first support in this embodiment guarantee

second support

2 and 1 joint strength of first support. Specifically, a connecting portion 12 is arranged on the first support 1, an external thread is arranged on the connecting portion 12, an assembling groove 23 in butt joint with the connecting portion 12 is arranged on the second support 2, an internal thread is arranged in the assembling groove 23, and the internal thread is in threaded connection with the external thread. In other embodiments, the positions of the internal thread and the external thread are not particularly limited as long as the connection between the first bracket 1 and the second bracket 2 is ensured.

Further, as shown in fig. 1, be provided with arc binding surface 221 on constant head tank 22, the radian orientation of arc binding surface 221 is close to the direction of first support 1, arc binding surface 221 can laminate on waiting to demolish the nut of rivet, setting up of arc binding surface 221 has improved the location effect of constant head tank 22, it is inseparabler that second support 2 can laminate with waiting to demolish the nut of rivet, prevent to run the brill, bore or the inclined drilling and lead to the mounting hole to be bored and hinder, improve the quality of demolising the mounting hole behind the rivet.

Optionally, the arc-shaped attaching surface 221 is polished, and the surface roughness of the arc-shaped attaching surface 221 is 0.8.

Optionally, be provided with on the first support 1 anti-skidding structure, prevent that first support 1 from taking off the hand in the use, improve and demolish in-process operating personnel's safety.

Further, the anti-slip structure is a corrugated bump or a star-shaped bump, and the anti-slip structure on the first bracket 1 in this example is a corrugated bump, and the corrugated bump is convenient to manufacture.

Alternatively, the width of the positioning slot 22 is equal to the nominal diameter of the nut of the rivet to be removed, ensuring that the positioning slot 22 can perform a good positioning function on the second support 2.

Optionally, the end of the first support 1 away from the second support 2 is provided with a chamfer, and the end of the second support 2 away from the first support 1 is provided with a chamfer, so as to prevent the first support 1 or the second support 2 from cutting an operator.

Optionally, a tapered transition section 13 is arranged at one end of the first stent 1 connected with the second stent 2, the minimum diameter of the tapered transition section 13 can be connected with the second stent 2, and the tapered transition section 13 is arranged on the first stent 1, so that the material for manufacturing the first stent 1 can be saved, and the cost is saved.

Optionally, the first bracket 1 and the second bracket 2 are both made of alloy materials, so that the first bracket 1 and the second bracket 2 are ensured to have high strength and corrosion resistance, and the service life of the first bracket 1 and the second bracket 2 is prolonged.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. 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 rivet removal assist apparatus, comprising:

the device comprises a first bracket (1), wherein a first guide hole (11) is formed in the first bracket (1);

the second support (2) is detachably arranged at one end of the first support (1), a second guide hole (21) is formed in the second support (2), the first guide hole (11) and the second guide hole (21) are coaxially arranged, a positioning groove (22) is formed in one end, far away from the first support (1), of the second support (2), and the positioning groove (22) is communicated with the second guide hole (21).

2. Rivet removal aid according to claim 1, characterized in that the second bracket (2) is snap-fitted or screwed to the first bracket (1).

3. Rivet removal assisting device according to claim 1, characterized in that an arc-shaped abutting surface (221) is arranged on the positioning slot (22), the arc of the arc-shaped abutting surface (221) faces in a direction close to the first support (1), and the arc-shaped abutting surface (221) can abut on a nut of the rivet to be removed.

4. Rivet removal aid according to claim 3, characterized in that the roughness of the curved abutment surface (221) is 0.8.

5. Rivet removal aid according to claim 3, characterized in that the width of the positioning slot (22) is equal to the nominal diameter of the nut.

6. Rivet removal aid according to claim 1, characterized in that the outer surface of the first bracket (1) is provided with an anti-slip structure.

7. A rivet removal aid as claimed in claim 6, wherein said non-slip feature is a corrugated bump or a star bump.

8. Rivet removal aid according to any one of claims 1-7, characterized in that the end of the first carrier (1) remote from the second carrier (2) is provided with a chamfer and the end of the second carrier (2) remote from the first carrier (1) is provided with a chamfer.

9. Rivet removal aid according to any one of claims 1-7, characterized in that the end of the first carrier (1) that is connected to the second carrier (2) is provided with a conical transition (13), the smallest diameter of the transition (13) being connectable to the first carrier (1).

10. Rivet removal aid according to any one of claims 1-7, characterized in that the first bracket (1) and the second bracket (2) are both made of an alloy material.