CN218745484U - Bearing rod piece high-energy welding tool - Google Patents
Bearing rod piece high-energy welding tool Download PDFInfo
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- CN218745484U CN218745484U CN202222759097.7U CN202222759097U CN218745484U CN 218745484 U CN218745484 U CN 218745484U CN 202222759097 U CN202222759097 U CN 202222759097U CN 218745484 U CN218745484 U CN 218745484U
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Abstract
This replacement belongs to aviation aircraft structure and makes technical field, concretely relates to bearing member high energy welding frock. The electron beam welding requires that the tool has the functions of accurate positioning, clamping and coaxial rotation, and the influence of electromagnetic blow on beam current is overcome. The replaced bearing rod piece high-energy welding tool comprises a left positioner and a right positioner which are coaxially arranged, wherein the left positioner and the right positioner have rotational freedom, and the right positioner also has axial movement freedom; a left connecting piece is arranged on the left positioner, a right connecting piece is arranged on the right positioner, a left joint is arranged on the left connecting piece, a right joint is arranged on the right connecting piece, and the pipe fitting is clamped between the left joint and the right joint; the left connecting piece and the right connecting piece are made of austenitic stainless steel materials. The assembly and disassembly operations are simple and convenient, the welded parts are accurately positioned, the continuous welding of annular welding seams is realized, the electron beam flow deflection is prevented, the centering property of the welding seams is ensured, and the improvement of the welding quality and the form and position precision of the welded parts is facilitated.
Description
Technical Field
The invention belongs to the technical field of manufacturing of aviation aircraft structures, and particularly relates to a high-energy welding tool for a bearing rod piece.
Background
At present, force bearing rod pieces such as main reducing support rods of helicopters are generally formed by welding a pipe fitting 6, a left joint 8 and a right joint 9, and as shown in fig. 1, a left welding seam 5 and a right welding seam 7 are arranged at the welding part. The component precision is high, and the welding seam grade is one-level, and the flight safety of the helicopter is directly influenced by the quality of the welding seam.
The electron beam welding is a high-energy welding method which utilizes the converged high-speed electron beam to bombard the surface of a workpiece and converts kinetic energy into heat energy so as to melt metal to form a welding seam. Compared with other traditional fusion welding techniques, the electron beam welding has the obvious advantages of high energy density, narrow welding seam, large depth-to-width ratio, small welding deformation and high process stability, and can realize high-quality and high-precision welding.
The electron beam welding helicopter load-bearing rod piece can avoid welding line oxidation, eliminate welding line air holes and control welding deformation. However, the design of the electron beam welding tool is crucial to realizing high-quality welding of helicopter bearing rods, the tool is required to have the functions of accurate positioning, clamping and coaxial rotation, and the influence of electromagnetic blow on beam current is overcome.
Disclosure of Invention
The invention aims to provide a high-energy welding tool for a bearing rod piece, which can meet the requirements of accurate positioning and assembly of parts and can adapt to coaxial rotation under high-temperature heat conduction.
The technical scheme of the invention is as follows: a high-energy welding tool for a bearing rod piece is used for electron beam welding and comprises a left positioner and a right positioner which are coaxially arranged, wherein the left positioner and the right positioner have rotational freedom, and the right positioner also has axial movement freedom; a left connecting piece is arranged on the left positioner, a right connecting piece is arranged on the right positioner, a left joint is arranged on the left connecting piece, a right joint is arranged on the right connecting piece, and the pipe fitting is clamped between the left joint and the right joint; the left connecting piece and the right connecting piece are made of austenitic stainless steel materials.
Advantageously, the right positioner is slidably mounted on a bottom slide rail.
Advantageously, the sliding track of the bottom is parallel to the rotation axis.
Advantageously, the left joint and the left connecting piece are connected by a bolt and a nut, and the right joint and the right connecting piece are connected by a bolt and a nut.
Advantageously, servo motors are arranged in the left positioner and the right positioner.
Advantageously, the left connecting piece, the left joint, the pipe fitting, the right joint, the right connecting piece, the bolt and the nut rotate synchronously during welding.
The left connecting piece and the right connecting piece are made of austenitic stainless steel materials, so that the condition that the beam current of the electron beam is subjected to electromagnetic deflection by a tool material to influence the centering property of a welding line is avoided.
The split type design is adopted, the split type hydraulic servo rod is easy to disassemble, is conveniently installed on a servo motor driven positioner with a coaxial rotation function, and can freely move along the length direction of the rod piece; the inner surfaces of the left and right joint fork lugs and the inner wall of the central hole are used as assembly positioning reference before part welding; the welded parts are connected by bolts to form tight and firm assembly connection, the deflection mechanical energy is transferred, and the welded parts can be driven to rotate stably and reliably under heating.
The invention has the beneficial effects that: the assembly and disassembly operations are simple and convenient, the welded parts are accurately positioned, the continuous welding of annular welding seams is realized, the electron beam flow deflection is prevented, the centering property of the welding seams is ensured, and the improvement of the welding quality and the form and position precision of the welded parts is facilitated.
Drawings
Fig. 1 is a schematic view of assembly of the high-energy welding tool for the bearing rod piece.
Wherein, 1-left positioner, 2-left connecting piece, 3-right connecting piece, 4-right positioner, 5-left welding seam, 6-pipe fitting, 7-right welding seam, 8-left joint, 9-right joint, 10-bolt, 11-nut
Detailed Description
The disclosed examples will be described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the embodiment, referring to fig. 1, a left connecting piece 2 and a right connecting piece 3 are respectively installed on a left positioner 1 and a right positioner 4, wherein the left positioner 1 is kept fixed in position, and the right positioner 4 is installed on a slide rail, not shown, in a free state and can linearly move along the slide rail direction. The left positioner 1 and the right positioner 4 are provided with motors which coaxially and synchronously rotate.
The left joint 8 and the right joint 9 of the pipe fitting 6 are installed on the corresponding left connecting piece 2 and the right connecting piece 3, the bolts 10 are inserted into the left joint and the right joint and then are connected and fastened with the nuts 11, so that the left joint 8 single-lug joint and the left connecting piece 2 form an assembly pair, and the right joint 9 double-lug joint and the right connecting piece 3 form an assembly pair.
And (3) installing a pipe fitting 6 of the main support reducing rod, moving the right positioner 4 inwards, and applying a jacking force to enable the single lug joint and the double lug joint of the pipe fitting 6 to clamp the pipe fitting 6 and tightly assemble the pipe fitting.
After the power is switched on, the whole body rotates, and electron beam current is applied to realize welding.
Different examples of the systems, devices, and methods disclosed herein include various components, features, and functions. It should be understood that the various examples of the systems, devices, and methods disclosed herein may include any of the components, features, and functions of any of the other examples of the systems, devices, and methods disclosed herein in any combination or sub-combination, and all such possibilities are intended to fall within the scope of the present invention.
The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages as compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a load member high energy welding frock for electron beam welding, its characterized in that: the tool comprises a left positioner (1) and a right positioner (4) which are coaxially arranged, wherein the left positioner (1) and the right positioner (4) have rotational freedom, and the right positioner (4) also has axial movement freedom; a left connecting piece (2) is installed on the left positioner (1), a right connecting piece (3) is installed on the right positioner (4), a left joint (8) is installed on the left connecting piece (2), a right joint (9) is installed on the right connecting piece (3), and a pipe fitting (6) is clamped between the left joint (8) and the right joint (9); the left connecting piece (2) and the right connecting piece (3) are made of austenitic stainless steel materials.
2. The bearing rod piece high-energy welding tool of claim 1, which is characterized in that: and the right positioner (4) is slidably mounted on the sliding rail at the bottom.
3. The bearing rod piece high-energy welding tool of claim 2, which is characterized in that: the bottom slide rail is parallel to the rotation axis.
4. The bearing rod piece high-energy welding tool of claim 1, which is characterized in that: the left connector (8) is connected with the left connecting piece (2) through a bolt (10) and a nut (11), and the right connector (9) is connected with the right connecting piece (3) through the bolt (10) and the nut (11).
5. The bearing rod piece high-energy welding tool of claim 1, which is characterized in that: servo motors are arranged in the left positioner (1) and the right positioner (4).
6. The bearing rod piece high-energy welding tool of claim 1, which is characterized in that: during welding, the left connecting piece (2), the left joint (8), the pipe fitting (6), the right joint (9), the right connecting piece (3), the bolt (10) and the nut (11) synchronously rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759097.7U CN218745484U (en) | 2022-10-20 | 2022-10-20 | Bearing rod piece high-energy welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759097.7U CN218745484U (en) | 2022-10-20 | 2022-10-20 | Bearing rod piece high-energy welding tool |
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| Publication Number | Publication Date |
|---|---|
| CN218745484U true CN218745484U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222759097.7U Active CN218745484U (en) | 2022-10-20 | 2022-10-20 | Bearing rod piece high-energy welding tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652352A (en) * | 2023-07-28 | 2023-08-29 | 中国航空制造技术研究院 | Electron beam welding clamping tool and welding method for aviation pull rod structure |
-
2022
- 2022-10-20 CN CN202222759097.7U patent/CN218745484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116652352A (en) * | 2023-07-28 | 2023-08-29 | 中国航空制造技术研究院 | Electron beam welding clamping tool and welding method for aviation pull rod structure |
| CN116652352B (en) * | 2023-07-28 | 2023-10-20 | 中国航空制造技术研究院 | Electron beam welding clamping tool and welding method for aviation pull rod structure |
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