CN114700531A - Method for machining bolt hole in connecting plate - Google Patents

Method for machining bolt hole in connecting plate Download PDF

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Publication number
CN114700531A
CN114700531A CN202210431980.5A CN202210431980A CN114700531A CN 114700531 A CN114700531 A CN 114700531A CN 202210431980 A CN202210431980 A CN 202210431980A CN 114700531 A CN114700531 A CN 114700531A
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CN
China
Prior art keywords
connecting plate
hole
bolt hole
plate
workpiece
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Pending
Application number
CN202210431980.5A
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Chinese (zh)
Inventor
臧伟锋
陈安
张海英
李刚
高莹洁
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AVIC Aircraft Strength Research Institute
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AVIC Aircraft Strength Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AVIC Aircraft Strength Research Institute filed Critical AVIC Aircraft Strength Research Institute
Priority to CN202210431980.5A priority Critical patent/CN114700531A/en
Publication of CN114700531A publication Critical patent/CN114700531A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28Drill jigs for workpieces

Abstract

The application belongs to the technical field of bolt hole machining design on connecting plates, and particularly relates to a bolt hole machining method on a connecting plate, which comprises the following steps: processing a plurality of guide holes corresponding to the positions of the bolt holes on the workpiece on the drilling template; the diameter of each guide hole on the drill plate is larger than that of the corresponding bolt hole on the workpiece, and the opening range of the guide holes covers the corresponding bolt hole on the workpiece; connecting each guide hole on the drill plate with a corresponding bolt hole on a workpiece through a bolt; each bolt is sleeved with a backing ring; the aperture of each backing ring is consistent with the aperture of the corresponding bolt hole on the workpiece, and the backing rings are adhered to the drill plate; removing bolts for connecting each guide hole on the drilling template with the corresponding bolt hole on the workpiece; and processing corresponding bolt holes on the connecting plate by taking the positions of all the gasket ring holes on the drill jig plate as a reference.

Description

Method for machining bolt hole in connecting plate
Technical Field
The application belongs to the technical field of bolt hole machining design on connecting plates, and particularly relates to a bolt hole machining method on a connecting plate.
Background
The fuselage is formed by a plurality of sections of thick bamboo sections along the axial butt joint, with bolted connection between each section of thick bamboo, at present, when carrying out the strength test to the fuselage section of thick bamboo, design fuselage section of thick bamboo one end and connecting plate utilize existing bolt hole to pass through bolted connection, and the connecting plate passes through bolted connection on the load wall to this realizes effectively supporting the fuselage section of thick bamboo, carries out the strength test to the fuselage section of thick bamboo based on this.
Pass through bolted connection with fuselage section of thick bamboo one end and connecting plate, need process the bolt hole that corresponds with this end bolt hole position of fuselage section of thick bamboo on the connecting plate, under the numerous condition of bolt hole quantity on fuselage section of thick bamboo, for the accuracy of guaranteeing processing bolt hole position on the connecting plate, currently, adopt the positioning mark method to process, specifically as follows:
connecting the connecting plate to the corresponding end of the machine body cylinder section;
thimbles are arranged in bolt holes at the corresponding end of the machine body barrel section, and the thimbles are knocked by a hammer to enable the thimbles to impact the connecting plate, so that pits are formed on the connecting plate;
and (4) detaching the connecting plate from the corresponding end of the machine body cylinder section, and processing bolt holes at the positions of the pits.
The bolt holes corresponding to the positions of the bolt holes on the corresponding end of the machine body cylinder section are processed on the connecting plate by a positioning mark method, and the following defects exist:
1) when the thimble is knocked by the hammer, the thimble is easy to scrape and rub and impact on the machine body cylinder section, so that the machine body cylinder section is damaged;
2) the concave pits formed by the thimble impacting the connecting plate are different in shape, size, depth and angle, and bolt holes machined in the connecting plate are difficult to reliably ensure that the bolt holes on the corresponding end of the machine body cylinder section are in one-to-one correspondence in position.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
The present application aims to provide a method for machining bolt holes in a connecting plate, which overcomes or alleviates at least one of the technical disadvantages of the known prior art.
The technical scheme of the application is as follows:
a method for machining a bolt hole in a connecting plate comprises the following steps:
processing a plurality of guide holes corresponding to the positions of the bolt holes on the workpiece on the drilling template; the diameter of each guide hole on the drill plate is larger than that of the corresponding bolt hole on the workpiece, and the opening range of the guide holes covers the corresponding bolt hole on the workpiece;
connecting each guide hole on the drill plate with a corresponding bolt hole on a workpiece through a bolt; each bolt is sleeved with a backing ring; the aperture of each backing ring is consistent with the aperture of the corresponding bolt hole on the workpiece, and the backing rings are adhered to the drill plate;
removing bolts for connecting each guide hole on the drilling template with the corresponding bolt hole on the workpiece;
and processing corresponding bolt holes on the connecting plate by taking the positions of all the gasket ring holes on the drill jig plate as a reference.
According to at least one embodiment of the application, in the method for machining the bolt holes in the connecting plate, each backing ring is bonded to the drill plate through silicon rubber.
According to at least one embodiment of the application, in the method for machining the bolt hole in the connecting plate, each guide hole in the drill plate is a stepped hole;
each backing ring is bonded on the step part of the drill plate corresponding to the guide hole, and the periphery of the backing ring is in clearance fit with the corresponding guide hole.
According to at least one embodiment of the present application, in the above method for processing bolt holes on a connecting plate, the position of each grommet hole on the drill jig plate is used as a reference, and the processing of the corresponding bolt hole on the connecting plate specifically includes:
connecting the connecting plate to the drill plate;
arranging a drill jig sleeve in each hole of the backing ring on the drill jig plate, and drilling a corresponding guide hole on the connecting plate by using the drill jig sleeve;
separating the connecting plate from the drill plate;
and drilling each guide hole on the connecting plate into a corresponding bolt hole.
According to at least one embodiment of the present application, in the above method for processing a bolt hole on a connecting plate, each guide hole on the connecting plate is drilled into a corresponding bolt hole, specifically:
drilling each guide hole on the connecting plate into a transition hole;
and machining each transition hole on the connecting plate into a corresponding bolt hole in a reaming mode.
According to at least one embodiment of the application, in the method for machining the bolt hole in the connecting plate, the outer diameter of each drill jig sleeve is consistent with the diameter of the corresponding backing ring;
the inner diameter of each drill jig sleeve is 0.5 times of the aperture of the corresponding backing ring.
Drawings
FIG. 1 is a schematic view of a method for machining bolt holes in a connecting plate according to an embodiment of the application;
FIG. 2 is a schematic illustration of a strength test of a fuselage barrel section provided by an embodiment of the present application;
wherein:
1-drilling a template; 2-manufacturing a workpiece; 3-a backing ring; 4-connecting plates; 5, drilling a die sleeve; 6-bearing wall.
For a better understanding of the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent actual product dimensions, and the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that devices or elements must have specific orientations, be constructed and operated in specific orientations, and that when the absolute position of an object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1-2.
A method for machining a bolt hole in a connecting plate comprises the following steps:
processing a plurality of guide holes corresponding to the positions of the bolt holes on the workpiece 2 on the drilling template 1; the diameter of each guide hole on the drilling template 1 is larger than that of the corresponding bolt hole on the workpiece 2, and the opening range of the guide holes covers the corresponding bolt hole on the workpiece 2;
connecting each guide hole on the drilling template 1 with a corresponding bolt hole on the workpiece 2 through a bolt; each bolt is sleeved with a backing ring 3; the aperture of each backing ring 3 is consistent with that of the corresponding bolt hole on the workpiece 2, and the backing rings are adhered to the drill jig plate 1;
removing bolts for connecting each guide hole on the drilling template 1 with the corresponding bolt hole on the workpiece 2;
and processing corresponding bolt holes on the connecting plate 4 by taking the positions of the holes of the backing rings 3 on the drill jig plate 1 as a reference.
For the method for processing bolt holes on a connecting plate disclosed in the above embodiments, it can be understood by those skilled in the art that the workpiece 2 may be a machine body barrel section, and the bolt holes on the connecting plate are processed by this method, which is based on the position of each grommet 3 hole adhered on the jig plate 1, and the corresponding bolt hole is processed on the connecting plate 4, because each grommet 3 is configured based on the bolt connecting each guide hole on the jig plate 1 and the corresponding bolt hole on the workpiece 2, the accurate correspondence with the position of the bolt hole on the workpiece 2 can be ensured, and the accuracy of processing the bolt hole on the connecting plate 4 can be ensured by using it as a position reference, and the guide hole on the jig plate 1 corresponding to each bolt hole on the workpiece 2 is designed to have a relatively large diameter, so as to provide allowance for the opening range to cover the corresponding bolt hole on the workpiece 2, therefore, the positions of the guide holes machined on the machine body do not need to have very accurate position corresponding relation with the corresponding bolt holes on the workpiece 2, only relatively accurate correspondence is needed, machining can be carried out according to experience or measurement, and the situation that the machine body cylinder section is damaged by a positioning mark method cannot be caused.
In some alternative embodiments, in the above method for machining the bolt holes on the connecting plate, each backing ring 3 is adhered to the drill plate 1 by silicon rubber.
In some optional embodiments, in the above method for machining bolt holes on a connecting plate, each guide hole on the drill plate 1 is a stepped hole;
each backing ring 3 is bonded on the step part of the drill plate 1 corresponding to the guide hole, and the periphery of the backing ring is in clearance fit with the corresponding guide hole to provide a movable allowance for the accurate positioning of the backing ring 3.
In some optional embodiments, in the above method for processing bolt holes in a connecting plate, the position of each hole of the backing ring 3 on the drilling template 1 is taken as a reference, and the corresponding bolt hole is processed in the connecting plate 4, specifically:
connecting the connecting plate 4 to the drill plate 1;
arranging a drill jig sleeve 5 in each hole of the backing ring 3 on the drill jig plate 1, and drilling a corresponding guide hole on the connecting plate 4 by using the drill jig sleeve 5;
separating the connecting plate 4 from the drill plate 1;
each guide hole on the connecting plate 4 is drilled as a corresponding bolt hole.
In some alternative embodiments, in the above method for processing bolt holes on a connecting plate, each guide hole on the connecting plate 4 is drilled into a corresponding bolt hole, specifically:
drilling each guide hole on the connecting plate 4 into a transition hole;
and all the transition holes on the connecting plate 4 are processed into corresponding bolt holes in a reaming mode, so that the sizes and the positions of the processed bolt holes are ensured to have accurate consistency with the bolt holes on the parts 2.
In some alternative embodiments, in the above method for processing the bolt hole on the connecting plate, the outer diameter of each drill jig sleeve 5 is consistent with the hole diameter of the corresponding backing ring 3;
the inner diameter of each drill jig sleeve 5 is 0.5 times of the hole diameter of the corresponding backing ring 3.
The method for processing the bolt holes in the connecting plate disclosed by the embodiment is used for processing the bolt holes in the connecting plate, then the connecting plate 4 can be connected with one end of the machine body cylinder section through the bolt holes by using bolts, and then the connecting plate 4 is connected to the bearing wall 6 through the bolts, so that the machine body cylinder section is effectively supported, and the strength test is carried out on the machine body cylinder section, and particularly, see fig. 2.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.

Claims (6)

1. A method for machining a bolt hole in a connecting plate is characterized by comprising the following steps:
processing a plurality of guide holes corresponding to the positions of the bolt holes on the workpiece (2) on the drilling template (1); the diameter of each guide hole on the drilling template (1) is larger than the diameter of the corresponding bolt hole on the workpiece (2), and the opening range of the guide hole covers the corresponding bolt hole on the workpiece (2);
connecting each guide hole on the drill plate (1) with a corresponding bolt hole on the workpiece (2) through a bolt; each bolt is sleeved with a backing ring (3); the aperture of each backing ring (3) is consistent with the aperture of the corresponding bolt hole on the workpiece (2), and the backing rings are adhered to the drill plate (1);
removing bolts for connecting each guide hole on the drilling template (1) and the corresponding bolt hole on the workpiece (2);
and processing corresponding bolt holes on the connecting plate (4) by taking the positions of the holes of the backing rings (3) on the drill plate (1) as a reference.
2. The method for machining a bolt hole in a connecting plate according to claim 1,
each backing ring (3) is bonded on the drill plate (1) through silicon rubber.
3. The method for machining a bolt hole in a connecting plate according to claim 1,
each guide hole on the drill plate (1) is a step hole;
each backing ring (3) is bonded on the step part of the drill plate (1) corresponding to the guide hole, and the periphery of the backing ring is in clearance fit with the corresponding guide hole.
4. The method for machining a bolt hole in a connecting plate according to claim 1,
use the position in each backing ring (3) hole on bushing plate (1) as the benchmark, process corresponding bolt hole on connecting plate (4), specifically do:
connecting the connecting plate (4) to the drill plate (1);
drilling die sleeves (5) are arranged in holes of the backing rings (3) on the drilling die plate (1), and corresponding guide holes are drilled on the connecting plate (4) in a matched mode through the drilling die sleeves (5);
separating the connecting plate (4) from the drill plate (1);
and drilling each guide hole on the connecting plate (4) into a corresponding bolt hole.
5. The method for machining the bolt hole in the connecting plate according to claim 4,
drilling each guide hole on the connecting plate (4) into a corresponding bolt hole, specifically:
drilling each guide hole on the connecting plate (4) into a transition hole;
and machining each transition hole on the connecting plate (4) into a corresponding bolt hole in a reaming mode.
6. The method for machining the bolt hole in the connecting plate according to claim 4,
the outer diameter of each drill die sleeve (5) is consistent with the aperture of the corresponding backing ring (3);
the inner diameter of each drill jig sleeve (5) is 0.5 times of the aperture of the corresponding backing ring (3).
CN202210431980.5A 2022-04-22 2022-04-22 Method for machining bolt hole in connecting plate Pending CN114700531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210431980.5A CN114700531A (en) 2022-04-22 2022-04-22 Method for machining bolt hole in connecting plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210431980.5A CN114700531A (en) 2022-04-22 2022-04-22 Method for machining bolt hole in connecting plate

Publications (1)

Publication Number Publication Date
CN114700531A true CN114700531A (en) 2022-07-05

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026621A (en) * 1960-02-19 1962-03-27 Joseph S Papps Hole position gauging means
US4137003A (en) * 1977-10-07 1979-01-30 Jules Budoff Drill jig
AU4453899A (en) * 1998-08-18 2000-03-09 Manfred Daniel Shores Drill positioning assembly
CN201728397U (en) * 2009-12-08 2011-02-02 中国一冶集团有限公司 High-strength bolt drill jig of dry quenching body frame structure
CN201841300U (en) * 2010-11-06 2011-05-25 中国长江航运集团宜昌船厂 Cover die drilling device
CN105033323A (en) * 2015-06-24 2015-11-11 南京梅山冶金发展有限公司 Angle iron part drilling device and drilling method thereof
CN105067424A (en) * 2015-08-31 2015-11-18 中国飞机强度研究所 Fuselage panel test keel device and production method thereof
CN110893481A (en) * 2019-12-09 2020-03-20 中航沈飞民用飞机有限责任公司 Porous hole returning drilling die and manufacturing method thereof
US20200101541A1 (en) * 2018-09-28 2020-04-02 The Boeing Company Replicated hole pattern for remotely located structural components
CN211803912U (en) * 2019-11-12 2020-10-30 南通江华机械有限公司 Drilling tool
CN212822839U (en) * 2020-07-20 2021-03-30 中国二十二冶集团有限公司 High-strength bolt hole group manufacturing auxiliary device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026621A (en) * 1960-02-19 1962-03-27 Joseph S Papps Hole position gauging means
US4137003A (en) * 1977-10-07 1979-01-30 Jules Budoff Drill jig
AU4453899A (en) * 1998-08-18 2000-03-09 Manfred Daniel Shores Drill positioning assembly
CN201728397U (en) * 2009-12-08 2011-02-02 中国一冶集团有限公司 High-strength bolt drill jig of dry quenching body frame structure
CN201841300U (en) * 2010-11-06 2011-05-25 中国长江航运集团宜昌船厂 Cover die drilling device
CN105033323A (en) * 2015-06-24 2015-11-11 南京梅山冶金发展有限公司 Angle iron part drilling device and drilling method thereof
CN105067424A (en) * 2015-08-31 2015-11-18 中国飞机强度研究所 Fuselage panel test keel device and production method thereof
US20200101541A1 (en) * 2018-09-28 2020-04-02 The Boeing Company Replicated hole pattern for remotely located structural components
CN211803912U (en) * 2019-11-12 2020-10-30 南通江华机械有限公司 Drilling tool
CN110893481A (en) * 2019-12-09 2020-03-20 中航沈飞民用飞机有限责任公司 Porous hole returning drilling die and manufacturing method thereof
CN212822839U (en) * 2020-07-20 2021-03-30 中国二十二冶集团有限公司 High-strength bolt hole group manufacturing auxiliary device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王喆: "薄壁舱体套接式钻模的设计与应用", 中国设备工程, vol. 38, no. 20 *

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