CN108481074B

CN108481074B - Positioning device for ensuring hole-making verticality of special area and use method thereof

Info

Publication number: CN108481074B
Application number: CN201810251381.9A
Authority: CN
Inventors: 阚小如; 朱志坤; 张宜德; 蓝光华; 苏荣
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2020-04-17
Anticipated expiration: 2038-03-26
Also published as: CN108481074A

Abstract

The invention discloses a positioning device for ensuring hole-making verticality of a special area and a use method thereof, wherein the positioning device is matched with a reamer for use, and is used for reaming a made primary hole, the positioning device comprises a guide bolt provided with a guide hole, a nut matched with the guide bolt and provided with a clamping convex part, and a seat ring matched with the clamping convex part and provided with a connecting part, wherein the guide bolt, the nut and the seat ring are sequentially connected to form a whole; the guide hole is arranged along the axial direction of the guide bolt. And a special reamer is adopted to penetrate through the through hole from one end of the seat ring, which is far away from the guide bolt, so as to ream the initial hole. Compared with the prior art: the invention realizes that the guide bolt is fixed on the seat ring, and the hole is corrected for verticality by taking the guide bolt as a guide; the use is quick and convenient, safe and reliable, and the holes made by workers of any technical grade can meet the requirements of technical conditions; the cost is effectively reduced, and the manufacturing cost is low.

Description

Positioning device for ensuring hole-making verticality of special area and use method thereof

Technical Field

The invention relates to the technical field of airplane assembly positioning, in particular to a positioning device for ensuring hole making verticality of a special area and a using method thereof.

Background

When a certain joint of a certain type machine is used for drilling, due to the limitation of a special connecting piece and a special structure (mainly, an included angle of about 10 degrees is formed between a rib edge strip surface of a mounting seat ring and a composite plate surface), the verticality of the drilled hole is difficult to ensure, and if the hole verticality does not accord with the related technical requirements, the following quality hidden troubles can be caused:

1. the seat ring connected with a certain joint bolt is arranged on the nesting rib in an extruding mode, once the hole verticality is poor, the inner wall of the seat ring is damaged by more than 0.3 mm when the hole is formed, the expansion force of the seat ring hole is not enough, the seat ring can fall off due to the rotation of the bolt during assembly, and a large amount of rework work is generated.

2. If the hole verticality is poor, a gap exists between a bolt head and a certain joint surface due to the fact that the bolt head is not attached to the certain joint surface, and therefore the connection strength and reliability of the airplane are affected.

Disclosure of Invention

The invention aims to provide a positioning device for ensuring the perpendicularity of hole making in a special area, which is simple in structure and convenient to use, has a small appearance and has the function of correcting the perpendicularity of a primary hole.

The invention aims to provide a using method of a positioning device for ensuring hole-making verticality in a special area, which can effectively ream a hole at the beginning, can effectively correct the hole verticality, and effectively avoids the phenomenon that a gap exists between a bolt head and a certain joint surface due to poor hole-forming verticality after machining, so that the connection strength and reliability of an airplane are influenced.

The invention is realized by the following technical scheme: a positioning device for guaranteeing perpendicularity of hole making in a special area is matched with a reamer for use, and the manufactured initial hole is reamed, and the positioning device comprises a guide bolt with a guide hole, a nut matched with the guide bolt and provided with a clamping convex part, and a seat ring matched with the clamping convex part and provided with a connecting part, wherein the guide bolt, the nut and the seat ring are sequentially connected to form a whole; the guide hole is arranged along the axial direction of the guide bolt.

The working principle is as follows: first-selected with the seat circle not set up the one end of connecting portion impress on the roof beam (joint department), guide bolt, nut, seat circle connect gradually and form a whole, reuse reamer uses guide bolt as the direction, and the one end of keeping away from the wire bolt from the seat circle is to the hole of making just, thereby rectifies the straightness that hangs down in hole.

The device is fast and convenient to use, safe and reliable, holes made by workers of any technical grade can meet the requirements of technical conditions, a large step is taken for standard operation, and the manufacturing cost is low.

Further, in order to better realize the invention, the seat ring comprises a stepped shaft and a through hole coaxial with the stepped shaft, the larger end of the stepped shaft is a connecting part and is connected with a nut, and the diameter of the through hole is larger than the outer diameter of the guide bolt.

Furthermore, in order to better realize the invention, the connecting part is arranged on one side of the seat ring close to the nut and comprises a nut mounting groove, a spring for fixing the nut and the seat ring together and a spring mounting groove which is circumferentially arranged along the side surface of the connecting part and is used for mounting the spring; the spring mounting groove is communicated with the nut mounting groove, and the nut mounting groove is matched with the clamping convex part in size.

Further, in order to better realize the reamer, the reamer comprises a guide rod and a cutting part which is connected with the guide rod and is provided with a plurality of cutter teeth, and the outer diameter of the guide rod is matched with the inner diameter of the guide hole.

A method for using a positioning device for ensuring hole-making verticality of a special area is characterized in that a special reamer penetrates through a through hole from one end, far away from a guide bolt, of a seat ring to ream a primary hole.

Further, in order to better implement the present invention, before reaming the primary hole, the method further includes the following steps:

step S1: manufacturing a primary hole, and installing a seat ring;

step S2: and sequentially connecting the guide bolt, the nut and the seat ring and positioning the initial hole.

Further, in order to better implement the present invention, the step S1 specifically includes the following steps:

step S11: finishing the manufacture of a primary hole by adopting a reamer at a joint of a hole to be reamed;

step S12: and installing the seat ring at the position of the initial hole.

Further, in order to better implement the present invention, the step S2 specifically includes the following steps:

step S21: sequentially connecting the guide bolt, the nut and the seat ring to form a whole;

step S22: the guide bolt is driven to move towards one side of the seat ring far away from the guide bolt by rotating the guide bolt, so that the guide bolt penetrates through the initial hole.

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

(1) the device uses simple self-made guide bolts, nuts used on the airplane, seat rings and customized special reamers, and realizes the fixation of the guide bolts on the seat rings and the correction of the verticality of holes by taking the guide bolts as the guide.

(2) The invention has the advantages of quick and convenient use, safety and reliability, and the holes made by workers of any technical grade can meet the requirements of technical conditions.

(3) The invention takes a big step towards the standardized operation, effectively reduces the cost and has low manufacturing cost.

Drawings

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

FIG. 2 is a schematic perspective view of a nut according to the present invention;

FIG. 3 is a schematic plan view of a nut of the present invention;

FIG. 4 is a perspective view of the seat ring of the present invention;

FIG. 5 is a plan view of the race of the present invention;

FIG. 6 is a schematic plan view of a guide bolt according to the present invention;

wherein 1-guide bolt, 11-guide hole, 2-nut, 21-clamping convex part, 3-seat ring, 31-connecting part, 311-spring mounting groove, 3111-spring, 312-nut mounting groove and 313-through hole; 4-reamer, 41-guide rod, 42-cutting portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Example 1:

the utility model discloses a following technical scheme realizes, as shown in fig. 1, a guarantee special area system hole straightness's that hangs down positioner uses with the cooperation of reamer 4, carries out the reaming to the hole just of having made, including the guide bolt 1 that is provided with guiding hole 11, uses and is provided with the nut 2 of centre gripping convex part 21 and uses and set up the seat circle 3 of connecting portion 31 with the cooperation of centre gripping convex part 21 with the cooperation of guide bolt 1, nut 2, seat circle 3 connect gradually and form a whole. The guide hole 11 is provided in the axial direction of the guide bolt 1.

It should be noted that, through the above improvement, the end of the seat ring 3 not provided with the connecting portion 31 is firstly pressed into the beam (joint), the guide bolt 1, the nut 2 and the seat ring 3 are sequentially connected into a whole, and then the reamer 4 is used to ream the preformed hole from the end of the seat ring 3 away from the lead bolt by using the guide bolt 1 as a guide, so as to correct the verticality of the hole.

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

Example 2:

the present embodiment is further optimized based on the above embodiment, as shown in fig. 1, and further, in order to better implement the present invention, the race 3 includes a stepped shaft and a through hole 313 coaxial with the stepped shaft, the larger end of the stepped shaft is a connecting portion 31 and is connected with the nut 2, and the diameter of the through hole 313 is larger than the outer diameter of the guide bolt 1.

Example 3:

the present embodiment is further optimized on the basis of the above embodiment, as shown in fig. 1, and further, in order to better implement the present invention, the connecting portion 31 is disposed on one side of the seat 3 close to the nut 2, and includes a nut mounting groove 312, a spring 3111 for fixing the nut 2 and the seat 3 together, and a spring mounting groove 311 disposed circumferentially along a side surface of the connecting portion 31 and for mounting the spring 3111. The spring mounting groove 311 is communicated with a nut mounting groove 312, and the nut mounting groove 312 is matched with the clamping convex part 21 in size.

It should be noted that, with the above-described improvement, the holding convex portion 21 of the nut 2 is mounted in the nut mounting groove 312, and the spring 3111 mounted in the spring mounting groove 311 realizes the engagement and locking of the holding convex portion 21 on the side away from the seat 3, and realizes the connection between the nut 2 and the seat 3, and the connection method is simple. The free end of the spring 3111 is configured as a U-shaped structure, and can be effectively fastened to the surface of the clamping protrusion 21 away from the seat ring 3.

The nut mounting groove 312 is a U-shaped groove provided with an opening. The spring mounting grooves 311 are two annular grooves formed along the side surface of the connecting portion 31, and the two annular grooves are communicated with the U-shaped groove.

Example 4:

the present embodiment is further optimized based on the above embodiment, as shown in fig. 1, and further, in order to better implement the present invention, the reamer 4 includes a guide rod 41, and a cutting portion 42 connected to the guide rod 41 and provided with a plurality of cutter teeth, and an outer diameter of the guide rod 41 matches an inner diameter of the guide hole 11.

It should be noted that, through the above improvement, the guide rod 41 guides the reamer 4 through the guide hole 11 to ream the initial hole, and the requirement for the perpendicularity of the formed hole is effectively met.

Example 5:

the utility model provides a guarantee special area system hole straightness's that hangs down positioner uses with reamer 4 cooperation, carries out the reaming to the first hole of making, including the guide bolt 1 that is provided with guiding hole 11, uses and is provided with the nut 2 of centre gripping convex part 21 and uses and set up connecting portion 31's seat circle 3 with the cooperation of centre gripping convex part 21 with the cooperation of guide bolt 1, nut 2, seat circle 3 connect gradually and form a whole. The guide hole 11 is provided in the axial direction of the guide bolt 1. The seat ring 3 comprises a stepped shaft and a through hole 313 coaxial with the stepped shaft, the larger end of the stepped shaft is a connecting part 31 and is connected with the nut 2, and the diameter of the through hole 313 is larger than the outer diameter of the guide bolt 1. The connecting portion 31 is disposed on one side of the seat 3 close to the nut 2, and includes a nut mounting groove 312, a spring 3111 for fixing the nut 2 and the seat 3 together, and a spring mounting groove 311 disposed circumferentially along a side of the connecting portion 31 and for mounting the spring 3111. The spring mounting groove 311 is communicated with a nut mounting groove 312, and the nut mounting groove 312 is matched with the clamping convex part 21 in size. The reamer 4 comprises a guide rod 41 and a cutting part 42 which is connected with the guide rod 41 and is provided with a plurality of cutter teeth, and the outer diameter of the guide rod 41 is matched with the inner diameter of the guide hole 11.

Example 6:

a use method of a positioning device for guaranteeing hole forming perpendicularity in a special area is characterized in that a special reamer 4 penetrates through a through hole 313 from one end, far away from a guide bolt 1, of a seat ring 3 to ream a primary hole.

step S1: and (5) manufacturing a primary hole and installing the seat ring 3.

Step S11: and finishing the manufacture of a primary hole by adopting a reamer 4 at the joint of the hole to be reamed.

Step S12: the seat 3 is mounted in the initial hole position.

Step S2: and sequentially connecting the guide bolt 1, the nut 2 and the seat ring 3 and positioning the initial hole.

Step S21: the guide bolt 1, the nut 2 and the seat ring 3 are connected in sequence to form a whole.

Step S22: the guide bolt 1 is driven by rotating the guide bolt 1 to move towards one side of the seat ring 3 far away from the guide bolt 11, so that the guide bolt 1 penetrates through the initial hole.

Example 7:

the device consists of a guide bolt 1, a nut 2, a seat ring 3 and a special reamer 4 component. Wherein the guide bolt 1 has two specifications: Φ 8 and Φ 10, the nut 2 also has two specifications: m8 and M10, race 3 is also of two gauges: FTR-5 and FTR-6. The phi 8 guide bolt 1 is matched with the M8 nut 2 and the seat ring 3 of the FTR-5 for use, and the phi 10 guide bolt 1 is matched with the M10 nut 2 and the seat ring 3 of the FTR-6 for use.

When the device is used, the guide bolt 1 and the nut 2 are connected with the seat ring 3 pressed into the beam, and then the guide bolt 1 (a guide hole 11 with phi 4 is arranged on the bolt) is used as a guide to ream the prefabricated hole from the end of the seat ring 3, so that the verticality of the hole is corrected.

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 utility model provides a guarantee special region system hole straightness's that hangs down positioner uses with reamer (4) cooperation, carries out reaming, its characterized in that to the first hole of making: the guide bolt comprises a guide bolt (1) provided with a guide hole (11), a nut (2) which is matched with the guide bolt (1) and is provided with a clamping convex part (21), and a seat ring (3) which is matched with the clamping convex part (21) and is provided with a connecting part (31), wherein the guide bolt (1), the nut (2) and the seat ring (3) are sequentially connected to form a whole; the guide hole (11) is arranged along the axial direction of the guide bolt (1); the seat ring (3) comprises a stepped shaft and a through hole (313) coaxial with the stepped shaft, the larger end of the stepped shaft is a connecting part (31) and is connected with the nut (2), and the diameter of the through hole (313) is larger than the outer diameter of the guide bolt (1); the connecting part (31) is arranged on one side, close to the nut (2), of the seat ring (3) and comprises a nut mounting groove (312), a spring (3111) for fixing the nut (2) and the seat ring (3) together and a spring mounting groove (311) which is arranged along the side face of the connecting part (31) and is used for mounting the spring (3111); the spring mounting groove (311) is communicated with the nut mounting groove (312), and the size of the nut mounting groove (312) is matched with that of the clamping convex part (21).

2. The positioning device for ensuring the perpendicularity of hole making in the special area according to claim 1, is characterized in that: the reamer (4) comprises a guide rod (41) and a cutting part (42) which is connected with the guide rod (41) and provided with a plurality of cutter teeth, and the outer diameter of the guide rod (41) is matched with the inner diameter of the guide hole (11).

3. The use method of the positioning device for ensuring the perpendicularity of hole making in the special area according to any one of claims 1-2 is characterized in that: and a special reamer (4) penetrates through the through hole (313) from one end of the seat ring (3) far away from the guide bolt (1) to ream the initial hole.

4. The use method of the positioning device for ensuring the perpendicularity of hole making in the special area is characterized by comprising the following steps of: before reaming the primary hole, the method also comprises the following steps:

step S1: manufacturing a primary hole, and installing a seat ring (3);

step S2: and sequentially connecting the guide bolt (1), the nut (2) and the seat ring (3) and positioning the initial hole.

5. The use method of the positioning device for ensuring the perpendicularity of hole making in the special area is characterized in that: the step S1 specifically includes the following steps:

step S11: finishing the manufacture of a primary hole by adopting a reamer (4) at a joint of a hole to be reamed;

step S12: and installing the seat ring (3) at the position of the initial hole.

6. The use method of the positioning device for ensuring the perpendicularity of hole making in the special area is characterized in that: the step S2 specifically includes the following steps:

step S21: sequentially connecting a guide bolt (1), a nut (2) and a seat ring (3) to form a whole;

step S22: the reamer (4) is driven to move towards one side of the seat ring (3) far away from the guide bolt (1) by rotating the guide bolt (1), so that the reamer (4) penetrates through the initial hole.