CN219284144U

CN219284144U - Comprehensive detection tool for position degree of flange plate hole group

Info

Publication number: CN219284144U
Application number: CN202222721278.0U
Authority: CN
Inventors: 余壮; 郭丽娜; 郭世勇; 郭华鹏
Original assignee: Luoyang Institute of Electro Optical Equipment AVIC
Current assignee: Luoyang Institute of Electro Optical Equipment AVIC
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-06-30
Anticipated expiration: 2032-10-12

Abstract

The application provides a ring flange hole group position degree synthesizes examines utensil belongs to ring flange detection technical field, specifically includes: the positioning end cover is provided with a guide hole, and when the positioning end cover is aligned with the flange plate meeting the design requirement, the guide hole is coaxial with the flange plate hole; and the plurality of measuring pins penetrate through the flange plate holes which are in accordance with the design after penetrating through the different guide holes. Through the processing scheme of the application, detection efficiency is improved.

Description

Comprehensive detection tool for position degree of flange plate hole group

Technical Field

The application relates to the field of flange detection, in particular to a comprehensive detection tool for the position degree of a flange hole group.

Background

The product quality inspection is based on patterns, process standards and other technical documents, and adopts means such as detection, test and the like to determine whether the product meets the design requirement. At present, most of the inspection of the position degree of the flange plate hole group is measured by a three-coordinate measuring machine, but for detecting the position degree of the small hole, a measuring needle is difficult to detect a measured element due to the limitation of a measuring head, and for simple parts with the size only needing quantitative analysis, the measurement by the three-coordinate measuring machine needs to be realized by path planning and then programming, and special fixtures are needed to be installed and fixed, so that long time is needed to be consumed.

Disclosure of Invention

In view of this, this application provides a ring flange hole group position degree and synthesizes examines utensil, has solved the problem among the prior art, improves detection efficiency.

The application provides a ring flange hole group position degree synthesizes examines utensil adopts following technical scheme:

a comprehensive detection tool for the position degree of a flange plate hole group comprises:

the positioning end cover is provided with a guide hole, and when the positioning end cover is aligned with the flange plate meeting the design requirement, the guide hole is coaxial with the flange plate hole;

and the plurality of measuring pins penetrate through the flange plate holes which are in accordance with the design after penetrating through the different guide holes.

Optionally, the comprehensive testing fixture further comprises a positioning cylindrical boss fixed on the positioning end cover, wherein the positioning cylindrical boss and the positioning end cover are coaxially arranged, and the positioning cylindrical boss is matched with the inner side wall of the flange plate to be tested.

Optionally, the test pin includes the inspection position and the direction step post that the axial direction distributes in proper order, the direction step post matches the guiding hole, just the external diameter of direction step post is greater than the external diameter at inspection position, the flange hole that accords with the design is matchd at the inspection position.

Optionally, a holding part is arranged at one end of the guiding step column far away from the checking part.

Optionally, the inspection part, the guide step post and the holding part are all cylindrical and coaxially arranged.

Optionally, the periphery of the handheld part is provided with anti-skid lines.

In summary, the present application includes the following beneficial technical effects:

through the cooperation of measuring pin and location end cover, not only can detect the hole group position degree of ring flange simultaneously, can guarantee the comprehensive inspection of part moreover. The device has the advantages of simple structure, convenient use, high inspection efficiency and capability of ensuring the assembly of parts. The economic benefit of using such gauges is particularly pronounced during mass production of the parts.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the positioning end cap of the present application;

FIG. 2 is a schematic structural view of a locating end cap and a locating cylindrical boss of the present application;

fig. 3 is a schematic structural view of the measuring pin of the present application.

Reference numerals illustrate: 1. checking the position; 2. a guide step column; 3. a hand-held part; 4. a guide hole; 5. Positioning an end cover; 6. and positioning the cylindrical boss.

Detailed Description

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

Other advantages and effects of the present application will become apparent to those skilled in the art from the present disclosure, when the following description of the embodiments is taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the application by way of illustration, and only the components related to the application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the application provides a comprehensive detection tool for the position degree of a flange plate hole group.

As shown in fig. 1-3, a comprehensive detection tool for detecting the position of each hole relative to two reference plane elements and a central element, includes:

the positioning end cover 5, be equipped with guiding hole 4 on the positioning end cover 5, when positioning end cover 5 aligns with the ring flange that accords with the design requirement, guiding hole 4 and ring flange hole coaxial.

And a plurality of measuring pins, wherein different measuring pins pass through different guide holes 4 and then pass through flange holes conforming to the design.

The comprehensive detection tool further comprises a positioning cylindrical boss 6 fixed on the positioning end cover 5, the positioning cylindrical boss 6 and the positioning end cover 5 are coaxially arranged, and the positioning cylindrical boss 6 is matched with the inner side wall of the flange plate to be detected.

The pin measuring device comprises an inspection part 1 and a guide step column 2 which are sequentially distributed in the axial direction, the guide step column 2 is matched with the guide hole 4, the outer diameter of the guide step column 2 is larger than that of the inspection part 1, and the inspection part 1 is matched with a flange plate hole which accords with the design.

The end of the guide step column 2 far away from the inspection part is provided with a handheld part 3.

The inspection part 1, the guide step post 2 and the handheld part 3 are all cylindrical and coaxially arranged.

The periphery of the handheld part 3 is provided with anti-skid lines.

In one embodiment, the position degree of the 10M 3 threaded holes of the flange plate relative to two plane elements and one center element is required to be detected to be phi 0.1, and the comprehensive position degree detection tool for the flange plate hole group is used.

First, GB/T197-2003 is checked to obtain the size tolerance T of the M3 threaded hole _D The total tolerance of the measured elements is equal to T and is 0.18mm _D +t, give T _t =0.28 mm. Then, the GB/T8069-1998 is checked for Table 1 to obtain T _I ＝W _I ＝0.008mm,

T _G ＝W _G ＝0.005mm,S _min =0.004 mm, look-up table 2 to obtain F _I ＝0.036mm。

1) For the test site:

method for checking bottom hole of M3 position degree by adopting step type insertion type comprehensive checking fixture, wherein the diameter of bottom hole is phi 2.4mm, so

d _IW ＝(d _IB +F _I )-(T _I +W _I )＝2.42mm

2) For the guiding part:

the design of the hole on the positioning end cover is as follows:

d _GB ＝D _GB ＝4.5mm

D _GW ＝D _GB +(T _G +W _G )＝4.51mm

the design of the middle guide step post of the measuring pin is as follows:

d _GW ＝(d _GB -S _min )-(T _G +W _G )＝4.486mm

3) For a positioning cylindrical boss:

d _LB ＝D _MV ＝97.6mm

T _L ＝T _D +t＝0.054mm

T _L ＝W _L ＝0.003mm

d _LW ＝d _LB -(T _L +W _L )＝97.594mm

in the above formula: d (D) _MV 、D _M The maximum physical effective size of the element is the maximum physical size: t, T _t 、T _D Form and position tolerance, comprehensive tolerance and dimensional tolerance of the measured element; t (T) _I 、W _I 、t _I 、F _I The method comprises the steps of checking dimensional tolerance, allowable abrasion loss, positioning tolerance and basic deviation of a part of a functional gauge; d, d _IB 、d _IW 、 d _I The basic size, the wear limit size and the size of the outer element of the part are checked for the functional gauge; d, d _GB 、d _G 、d _GW Guiding a functional gaugeBasic size, wear limit size of the part; s is S _min 、T _G 、D _G 、D _GW 、 W _G 、D _GB Minimum clearance, dimensional tolerance, size, wear limit size, allowable wear amount, basic size of the guiding part of the human insertion type functional gauge; t (T) _G Is the guiding or positioning tolerance of the guiding part fixing piece of the human-inserted or movable functional gauge. d, d _LB 、d _L 、d _LW 、T _L 、W _L The basic size, the wear limit size, the dimensional tolerance and the allowable wear amount of the positioning part of the human insertion type functional gauge are respectively.

During testing, the positioning cylindrical boss 6 and the positioning end cover 5 jointly establish two reference plane elements and a central element. The designed positioning cylindrical boss 6 is inserted into an end face hole of the flange, the positioning end cover 5 is abutted against the end face of the flange, a reference for detecting the position degree is established, and then 10 designed detection positions 1 for detecting pins are sequentially inserted into a combined hole of the flange under the guiding action of the guide hole 4 and the pin detection guide step column 2, so that the detection of the position degree of the combined hole is completed.

If ten pins can be guided by the guide step columns 2 at the same time so that the inspection part 1 can be inserted into the hole group of the flange plate, the part is judged to be qualified, otherwise, the part is judged to be unqualified. Through testing, the gauge can detect the hole group position degree of 10 hole sites of one flange plate in one minute, then compared with three-coordinate measurement, the hole group position degree of the same flange plate is tested in 11 minutes, so that the testing efficiency is greatly improved, and the judgment of the detection result is consistent. Through the positioning action of the positioning cylindrical boss 6 and the positioning end cover 5, a reference for detecting the position degree is established, and then the inspection part 1 of the measuring pin is inserted into the combined hole of the flange plate under the guiding action of the guiding hole 4 and the guiding step post 2 of the measuring pin, so that the detection of the position degree of the combined hole is completed.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a utensil is examined in ring flange hole group position degree synthesis which characterized in that includes:

the plurality of measuring pins penetrate through the flange plate holes conforming to the design after penetrating through different guide holes;

the comprehensive detection tool further comprises a positioning cylindrical boss fixed on the positioning end cover, wherein the positioning cylindrical boss and the positioning end cover are coaxially arranged, and the positioning cylindrical boss is matched with the inner side wall of the flange plate to be detected;

the pin testing device comprises a pin testing part and a guide step column, wherein the pin testing part and the guide step column are sequentially distributed in the axial direction, the guide step column is matched with the guide hole, the outer diameter of the guide step column is larger than that of the test part, the test part is matched with a designed flange plate hole, one end of the guide step column, which is far away from the test part, is provided with a handheld part, and the test part, the guide step column and the handheld part are cylindrical and coaxially arranged.

2. The comprehensive testing fixture for the position degree of the flange plate hole set according to claim 1, wherein anti-skid lines are arranged on the periphery of the handheld part.