CN215144968U

CN215144968U - Device for removing welding residual stress based on electromagnetic energy

Info

Publication number: CN215144968U
Application number: CN202121077146.8U
Authority: CN
Inventors: 李晓东
Original assignee: Shanghai Jiaotong University
Current assignee: Shanghai Jiaotong University
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-14
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a device based on welding residual stress is got rid of to electromagnetic energy, include: electromagnetic chuck, upright post, and support plate; the upper part of the electromagnetic chuck is provided with an upright post, and the electromagnetic chuck is fixedly connected with the upright post through a bolt; the supporting plate is arranged at the top end of the upright post and is connected with the upright post in a welding mode; the fixed shaft is positioned at the upper part of the supporting plate, and the fixed shaft and the supporting plate are of an integrated structure; the supporting arm is arranged outside the fixed shaft, and the supporting arm is sleeved with the fixed shaft in a clearance fit manner; the nut is arranged on the upper portion of the fixed shaft, and the nut is screwed with the fixed shaft through threads. Through the improvement structurally, it is high to have measurement drilling accuracy, and drilling position control is convenient, improves its stress measurement precision greatly, possesses advantages such as practicality more to effectual problem and the not enough that appear in having solved current device.

Description

Device for removing welding residual stress based on electromagnetic energy

Technical Field

The utility model relates to a welding stress measures technical field, and more specifically says, especially relates to a device based on welding residual stress is got rid of to electromagnetic energy.

Background

When the pressure container is manufactured, the welding of the seal head is an important link, and as the seal head is a welding component, the welding residual stress generated after welding causes dangerous factors influencing the use of the pressure container, cracks, stress corrosion cracking and other defects are often caused, so that the welding joint needs to be drilled and a strain gage is attached to the welding joint to measure the residual stress.

But because unable fine fix a position the electric drill when measuring drilling at present, lead to taking place the skew easily to the drilling position of welding joint department to drilling slope leads to the drilling precision relatively poor, and the measurement accuracy to residual stress is seriously influenced, its practicality of greatly reduced then.

In view of the above, the present invention provides an apparatus for removing welding residual stress based on electromagnetic energy, which is developed to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device based on electromagnetic energy gets rid of welding residual stress to solve the problem and not enough that provide in the above-mentioned background art.

In order to achieve the above object, the present invention provides a device for removing welding residual stress based on electromagnetic energy, which is achieved by the following specific technical means:

an apparatus for removing welding residual stress based on electromagnetic energy, comprising: the electric drill fixing device comprises an electromagnetic chuck, a stand column, a supporting plate, a fixing shaft, a supporting arm, a nut, a fixing lug, a handle bolt, an adjusting arm and an electric drill fixing seat; the upper part of the electromagnetic chuck is provided with an upright post, and the electromagnetic chuck is fixedly connected with the upright post through a bolt; the supporting plate is arranged at the top end of the upright post and is connected with the upright post in a welding mode; the fixed shaft is positioned at the upper part of the supporting plate, and the fixed shaft and the supporting plate are of an integrated structure; the supporting arm is arranged outside the fixed shaft, and the supporting arm is sleeved with the fixed shaft in a clearance fit manner; the nut is arranged on the upper part of the fixed shaft and is screwed with the fixed shaft through threads; the fixing lug is arranged on the outer wall at the right end of the supporting arm and is connected with the supporting arm in a welding mode; the handle bolts are respectively arranged at the upper parts of the fixing lugs and one side of the left end of the supporting arm and are respectively screwed with the fixing lugs and the supporting arm through threads; the adjusting arm is arranged inside the supporting arm, and the adjusting arm and the supporting arm are in sliding connection in a clearance fit mode; the electric drill fixing seat is arranged at the left end of the supporting arm and is connected with the supporting arm in a welding mode.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress electromagnet's bottom is the concave shape setting in the arc.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress the right-hand member of support arm is the ring form, and the left end is the U-shaped opening form, and offers the spout of rectangle form on the inner wall of the left end both sides of support arm.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress the both sides of regulating arm are equipped with the slider of rectangle form, and the regulating block with be located to screw up fixedly between the handle bolt on the support arm.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress the right-hand member and the fixed axle of support arm cup joint, and the upper portion of support arm passes through the nut fixed.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress it is fixed to lie in screwing up between fixed ear's handle bolt and the layer board.

As a further optimization of this technical scheme, the utility model relates to a device based on electromagnetic energy gets rid of welding residual stress the electric drill fixing base is the ring form.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a device based on welding residual stress is got rid of to electromagnetic energy can be with the device firmly fix on pressure vessel through utilizing the electromagnetic chuck, and the fastness when utilizing the electric drill fixing base can guarantee the electric drill drilling simultaneously avoids appearing the problem of cheap and drilling slope, then improves the device's practicality greatly.

2. The utility model relates to a device based on welding residual stress is got rid of to electromagnetic energy, through 360 degrees rotations of support arm on the fixed axle, the regulating arm slides that stretches out and draws back in the support arm simultaneously to can carry out position control to the electric drill fixing base, make drilling position control convenient and accurate, improve the device's functionality and practicality then greatly.

3. The utility model discloses a to above-mentioned device structural improvement, it is high to have measurement drilling accuracy, and drilling position control is convenient, improves its stress measurement precision greatly, possesses advantages such as practicality more to effectual problem and the not enough that appear in having solved current device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the supporting plate of the present invention;

fig. 3 is a schematic view of the supporting arm structure of the present invention.

In the figure: the electric drill comprises an electromagnetic chuck 1, a stand column 2, a supporting plate 3, a fixing shaft 4, a supporting arm 5, a nut 6, a fixing lug 7, a handle bolt 8, an adjusting arm 9 and an electric drill fixing seat 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical embodiment of an apparatus for removing welding residual stress based on electromagnetic energy:

an apparatus for removing welding residual stress based on electromagnetic energy, comprising: the electric drill comprises an electromagnetic chuck 1, a stand column 2, a supporting plate 3, a fixing shaft 4, a supporting arm 5, a nut 6, a fixing lug 7, a handle bolt 8, an adjusting arm 9 and an electric drill fixing seat 10; the upper part of the electromagnetic chuck 1 is provided with an upright post 2, and the electromagnetic chuck 1 is fixedly connected with the upright post 2 through a bolt; the supporting plate 3 is arranged at the top end of the upright post 2, and the supporting plate 3 is connected with the upright post 2 in a welding mode; the fixed shaft 4 is positioned at the upper part of the supporting plate 3, and the fixed shaft 4 and the supporting plate 3 are of an integrated structure; the supporting arm 5 is arranged outside the fixed shaft 4, and the supporting arm 5 is sleeved with the fixed shaft 4 in a clearance fit manner; the nut 6 is arranged at the upper part of the fixed shaft 4, and the nut 6 is screwed with the fixed shaft 4 through threads; the fixing lug 7 is arranged on the outer wall at the right end of the supporting arm 5, and the fixing lug 7 is connected with the supporting arm 5 in a welding mode; the handle bolt 8 is respectively arranged at the upper part of the fixing lug 7 and one side of the left end of the supporting arm 5, and the handle bolt 8 is respectively screwed with the fixing lug 7 and the supporting arm 5 through threads; the adjusting arm 9 is arranged inside the supporting arm 5, and the adjusting arm 9 is in sliding connection with the supporting arm 5 in a clearance fit manner; the electric drill fixing seat 10 is arranged at the left end of the supporting arm 5, and the electric drill fixing seat 10 is connected with the supporting arm 5 in a welding mode.

Specifically, the bottom of the electromagnetic chuck 1 is in an arc concave shape.

Specifically, the right end of the support arm 5 is circular, the left end is in a U-shaped opening shape, and the inner walls of the two sides of the left end of the support arm 5 are provided with rectangular sliding grooves.

Specifically, rectangular sliding blocks are arranged on two sides of the adjusting arm 9, and the adjusting block 9 and a handle bolt 8 on the supporting arm 5 are screwed and fixed.

Specifically, the right end of the support arm 5 is sleeved with the fixed shaft 4, the upper portion of the support arm 5 is fixed through the nut 6, and the support arm 5 is adjusted in a 360-degree rotation manner on the fixed shaft 4.

Specifically, the handle bolt 8 on the fixing lug 7 is screwed and fixed with the supporting plate 3.

Specifically, the electric drill holder 10 is annular.

The method comprises the following specific implementation steps:

when the device is used, the device is firmly adsorbed at a pressure container end socket needing to measure the residual stress through the electromagnetic chuck 1, then the supporting arm 5 and the telescopic sliding adjusting arm 9 are rotated to enable the electric drill fixing seat 10 to rotate to a specified welding joint, the electric drill fixing seat is screwed and fixed through the handle bolt 8, then the electric hand drill is inserted into the electric drill fixing seat 10 to drill, and after holes are drilled, the strain gauge is attached to the electric hand drill fixing seat, so that the residual stress can be measured.

In summary, the following steps: according to the device for removing the welding residual stress based on the electromagnetic energy, the device can be firmly fixed on a pressure container by utilizing the electromagnetic chuck, meanwhile, the firmness of the electric drill during drilling can be ensured by utilizing the electric drill fixing seat, the problems of low cost and drilling inclination are avoided, and the practical performance of the device is greatly improved; through the support arm 360 degrees rotations on the fixed axle, the regulating arm slides that stretches out and draws back in the support arm simultaneously to can carry out position control to the electric drill fixing base, make drilling position control convenient and accurate, improve the device's functionality and practicality then greatly, thereby the effectual problem and the not enough that appear in having solved current device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An apparatus for removing welding residual stress based on electromagnetic energy, comprising: the electric drill comprises an electromagnetic chuck (1), a stand column (2), a supporting plate (3), a fixed shaft (4), a supporting arm (5), a nut (6), a fixed lug (7), a handle bolt (8), an adjusting arm (9) and an electric drill fixing seat (10); the method is characterized in that: the upper part of the electromagnetic chuck (1) is provided with an upright post (2), and the electromagnetic chuck (1) is fixedly connected with the upright post (2) through a bolt; the supporting plate (3) is arranged at the top end of the upright post (2), and the supporting plate (3) is connected with the upright post (2) in a welding mode; the fixed shaft (4) is positioned at the upper part of the supporting plate (3), and the fixed shaft (4) and the supporting plate (3) are of an integrated structure; the supporting arm (5) is arranged outside the fixed shaft (4), and the supporting arm (5) is sleeved with the fixed shaft (4) in a clearance fit manner; the nut (6) is arranged at the upper part of the fixed shaft (4), and the nut (6) is screwed with the fixed shaft (4) through threads; the fixing lug (7) is arranged on the outer wall at the right end of the supporting arm (5), and the fixing lug (7) is connected with the supporting arm (5) in a welding mode; the handle bolts (8) are respectively arranged at the upper parts of the fixing lugs (7) and one side of the left end of the supporting arm (5), and the handle bolts (8) are respectively screwed with the fixing lugs (7) and the supporting arm (5) through threads; the adjusting arm (9) is arranged inside the supporting arm (5), and the adjusting arm (9) is in sliding connection with the supporting arm (5) in a clearance fit manner; the electric drill fixing seat (10) is arranged at the left end of the supporting arm (5), and the electric drill fixing seat (10) is connected with the supporting arm (5) in a welding mode.

2. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: the bottom of the electromagnetic chuck (1) is in arc concave arrangement.

3. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: the right end of the supporting arm (5) is in a circular ring shape, the left end of the supporting arm is in a U-shaped opening shape, and rectangular sliding grooves are formed in the inner walls of the two sides of the left end of the supporting arm (5).

4. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: rectangular sliding blocks are arranged on two sides of the adjusting arm (9), and the adjusting arm (9) is screwed and fixed with a handle bolt (8) on the supporting arm (5).

5. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: the right end of the supporting arm (5) is sleeved with the fixed shaft (4), and the upper part of the supporting arm (5) is fixed through a nut (6).

6. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: the handle bolt (8) on the fixing lug (7) is screwed and fixed with the supporting plate (3).

7. The electromagnetic energy based apparatus for removing residual welding stress of claim 1, wherein: the electric drill fixing seat (10) is annular.