CN109604801A - High-temperature superconductive lead wire electro-beam welding clamper and technique - Google Patents

High-temperature superconductive lead wire electro-beam welding clamper and technique Download PDF

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Publication number
CN109604801A
CN109604801A CN201910007238.XA CN201910007238A CN109604801A CN 109604801 A CN109604801 A CN 109604801A CN 201910007238 A CN201910007238 A CN 201910007238A CN 109604801 A CN109604801 A CN 109604801A
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China
Prior art keywords
support column
heat exchanger
adjustable support
lead wire
electron
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CN201910007238.XA
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CN109604801B (en
Inventor
徐朝胜
彭黎明
史磊
马兆龙
沈旭
陈建林
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HEFEI JUNENG ELECTRO PHYSICS HIGH-TECH DEVELOPMENT Co Ltd
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HEFEI JUNENG ELECTRO PHYSICS HIGH-TECH DEVELOPMENT Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/06Electron-beam welding or cutting within a vacuum chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0006Electron-beam welding or cutting specially adapted for particular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting
    • B23K15/0013Positioning or observing workpieces, e.g. with respect to the impact; Aligning, aiming or focusing electronbeams

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Particle Accelerators (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)

Abstract

The invention discloses a kind of high-temperature superconductive lead wire electro-beam welding clamper and techniques, fixture includes clamp rail bracket, the one end of clamp rail bracket along its length is equipped with support frame, the other end is equipped with sliding rack, sliding rack is equipped with chuck mechanism vertically on the top surface of clamp rail bracket end side, adjustable support column is equipped on the top surface of the other side vertically, at least two groups adjustable support column is equipped in top surface of support frame vertically, it is vertical outside clamp rail bracket to be equipped at least one set of adjustable support column, straight line degree measurement mechanism is also equipped between the adjustable support column of top surface of support frame;Technique includes first welding heat exchanger and diverter assembly, then welds room temperature copperhead and heat exchanger.The present invention is convenient to carry out electron beam welding to high-temperature superconductive lead wire, while also having the advantage low convenient for operation adjustment, working strength, meets the welding requirements of high-temperature superconductive lead wire.

Description

High-temperature superconductive lead wire electro-beam welding clamper and technique
Technical field
The present invention relates to high temperature superconductor technology fields, and in particular to a kind of high-temperature superconductive lead wire electro-beam welding clamper And technique.
Background technique
Thermonuclear fusion will provide inexhaustible clean energy resource for the mankind, and International Thermonuclear test reactor (ITER) plan will It will be built up within 10 years futures.High-temperature superconductive lead wire is powered for the huge cryogenic magnet in test reactor, while junction chamber Warm (300K) and low temperature (4 .5K).High-temperature superconductive lead wire is one and is related to superconduction, low temperature, vacuum, observing and controlling, power supply, machine The multi-disciplinary complication system project such as tool technique, needs to meet profound hypothermia, high vacuum, High-Voltage Insulation, low heat loads, low superconduction The various works such as connection resistance requirement, and it has design calculating challenge big, and manufacturing process is complicated, and credit rating requires height The characteristics of.
High-temperature superconductive lead wire during fabrication, is needed to weld room temperature section, heat exchanger section and current divider section, welded Not only will be in view of lead job requirement described in upper section when connecing, and it is also necessary to take into account that length, the weight of lead (are always about 3300mm, indoor temperature end weighs about 300Kg, heat exchanger section weighs about 200Kg, current divider section weighs about 100Kg) etc. realistic problems.
So in the welding process of high-temperature superconductive lead wire, not only to welding procedure, but also to component each when welding Assembly, fixing means all have harsh requirement.
Summary of the invention
The purpose of the present invention is to provide one kind can be realized room temperature section in high-temperature superconductive lead wire, heat exchanger Duan Yufen Flow the welding fixture and technique of device section high-quality welding.
A kind of high-temperature superconductive lead wire electro-beam welding clamper, including clamp rail bracket, clamp rail bracket is along long The one end for spending direction is equipped with support frame, and the other end is equipped with sliding rack, and sliding rack bottom surface has along clamp rail stent length direction The freedom degree of sliding, sliding rack are equipped with chuck mechanism vertically on the top surface of clamp rail bracket end side, the other side Adjustable support column is equipped on top surface vertically, is equipped at least two groups adjustable support column, clamp rail vertically in top surface of support frame Vertical outside bracket to be equipped at least one set of adjustable support column, above-mentioned adjustable support column is parallel to each other, and all has along bottom Freedom degree that mounting surface moves left and right and freedom degree flexible up and down, wherein be located at top surface of support frame adjustable support column it Between be also equipped with straight line degree measurement mechanism.
It is further described as to above-mentioned technical proposal:
The adjustable support column includes pedestal and telescopic rod, and the top of telescopic rod is equipped with idler wheel.
It is further described as to above-mentioned technical proposal:
The chuck mechanism is rotatable chuck mechanism.
It is further described as to above-mentioned technical proposal:
The straight line degree measurement mechanism is two-dimensional orbit dial gauge.
A kind of high-temperature superconductive lead wire electro-beam welding process uses above-mentioned high-temperature superconductive lead wire electron beam welding Fixture welds high-temperature superconductive lead wire, the welding procedure the following steps are included:
(1), this fixture is put into electron-beam welder vacuum chamber, clamp rail bracket adaptation is mounted on electron-beam welder vacuum chamber In guide rail on;
(2), it attaches the casing on heat exchanger and diverter assembly;
(3), chuck mechanism is fixed in heat exchanger one end, the other end is supported on the adjustable support column of sliding rack, mobile to slide Moving frame makes heat exchanger reach the place to be welded with diverter assembly;
(4), diverter assembly is supported on the adjustable support column of top surface of support frame;
(5), the straightness between heat exchanger and diverter assembly is measured using straight line degree measurement mechanism, and cooperated each adjustable Support column carries out the adjustment of straightness between heat exchanger and diverter assembly;
(6), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(7), it after vacuum degree reaches specified value, is welded using electron-beam welder electron gun heat exchanging device with diverter assembly It connects;
(8), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
(9), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened, the end of heat exchanger is taken out from chuck mechanism, and will weldering Heat exchanger and diverter assembly after connecing is mobile to the other end, by adjusting the horizontal position of adjustable support column each on support frame It moves, continues to the lower section for being supported on heat exchanger and diverter assembly, the tail portion of diverter assembly is by being arranged in clamp rail Support is completed in adjustable support column cooperation outside bracket;
(10), one end of room temperature copperhead is fixed on chuck mechanism, the other end by the adjustable support column on sliding rack into Row support, mobile sliding rack make room temperature copperhead reach the place to be welded with heat exchanger;
(11), the straightness between room temperature copperhead and heat exchanger is measured using straight line degree measurement mechanism, and cooperated each adjustable Support column carries out the adjustment of straightness between room temperature copperhead and heat exchanger;
(12), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(13), after vacuum degree reaches specified value, room temperature copperhead is exchanged using electron-beam welder electron gun and heat exchanger is welded It connects;
(14), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
(15), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened;
(16), high-temperature superconductive lead wire component is taken out.
The present invention is applied in combination by chuck mechanism, adjustable support column etc., compared with prior art, makes high-temperature superconductor Current feed welding procedure is optimized, and convenient to high-temperature superconductive lead wire progress electron beam welding, (electron beam welding has Beam power density is big, heating is concentrated, the thermal efficiency is high, and the fireballing advantage of welding fabrication is particularly suitable for refractory metal and heat The welding of the strong metal material of sensibility), the present invention also has the advantage low convenient for operation adjustment, working strength simultaneously, meets The welding requirements of high-temperature superconductive lead wire.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention (when welding heat exchanger and diverter assembly);
Fig. 2 is structural schematic diagram of the invention (when welding room temperature copperhead and heat exchanger).
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, a kind of high-temperature superconductive lead wire electro-beam welding clamper provided by the invention, including fixture Rail brackets 1, the one end of clamp rail bracket 1 along its length are equipped with support frame 2, and the other end is equipped with sliding rack 3, sliding rack 3 Bottom surface has the freedom degree slided along 1 length direction of clamp rail bracket, and sliding rack 3 is close to 1 end side of clamp rail bracket Top surface on be equipped with chuck mechanism 4 vertically, adjustable support column 5 is equipped on the top surface of the other side vertically, is erected on 2 top surface of support frame It is directly equipped at least two groups adjustable support column 5, is equipped at least one set of adjustable support column 5 vertically outside clamp rail bracket 1, on Adjustable support column 5 is stated to be parallel to each other, and all have the freedom degree moved left and right along bottom mounting surfaces and up and down it is flexible from By spending, straight line degree measurement mechanism 6 is also equipped with wherein being located between the adjustable support column 5 of 2 top surface of support frame.
A kind of high-temperature superconductive lead wire electro-beam welding process uses above-mentioned high-temperature superconductive lead wire electron beam welding Fixture welds high-temperature superconductive lead wire, the welding procedure the following steps are included:
As shown in Figure 1:
(1), this fixture is put into electron-beam welder vacuum chamber, the adaptation of clamp rail bracket 1 is mounted on electron-beam welder vacuum On guide rail in room;
(2), sleeve 7 is installed on heat exchanger 8 and diverter assembly 9 to (sleeve 7 is usually half HALF structure member of aluminium alloy dress Collet cylinder);
(3), chuck mechanism 4 is fixed in 8 one end of heat exchanger, the other end is supported on the adjustable support column 5 of sliding rack 3, is moved Dynamic sliding rack 3 makes heat exchanger 8 reach the place to be welded with diverter assembly 9;
(4), diverter assembly 9 is supported on the adjustable support column 5 of 2 top surface of support frame;
(5), measure the straightness between heat exchanger 8 and diverter assembly 9 using straight line degree measurement mechanism 6, and cooperate it is each can Mode support column 5 carries out the adjustment of straightness between heat exchanger 8 and diverter assembly 9;
(6), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(7), it after vacuum degree reaches specified value, is welded using electron-beam welder electron gun heat exchanging device 8 with diverter assembly 9 It connects;
(8), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
It is as shown in Figure 2:
(9), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened, the end of heat exchanger 8 is taken out from chuck mechanism 4, and will Heat exchanger 8 and diverter assembly 9 after welding is mobile to the other end, by adjusting adjustable support column 5 each on support frame 2 Horizontal displacement, continues to the lower section for being supported on heat exchanger 8 Yu diverter assembly 9, and the tail portion of diverter assembly 9 is existed by setting Support is completed in the cooperation of adjustable support column 5 outside clamp rail bracket 1;
(10), one end of room temperature copperhead 10 is fixed on chuck mechanism 4, the other end passes through the adjustable support on sliding rack 3 Column 5 is supported, and mobile sliding rack 3 makes room temperature copperhead 10 reach the place to be welded with heat exchanger 8;
(11), measure the straightness between room temperature copperhead 10 and heat exchanger 8 using straight line degree measurement mechanism 6, and cooperate it is each can Mode support column 5 carries out the adjustment of straightness between room temperature copperhead 10 and heat exchanger 8;
(12), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(13), after vacuum degree reaches specified value, room temperature copperhead 10 is exchanged using electron-beam welder electron gun and heat exchanger 8 carries out Welding;
(14), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
(15), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened;
(16), high-temperature superconductive lead wire component is taken out.
Embodiment 1
As the optimization explanation to above-mentioned technical proposal:
The adjustable support column 5 includes pedestal 51 and telescopic rod 52, and the top of telescopic rod 52 is equipped with idler wheel 53.Purpose is, Using the way of contact of idler wheel 53 and to-be-welded pieces, can achieve convenient for straightness adjustment, easy to operate advantage will not damage Hurt the surface of to-be-welded pieces.As shown in Fig. 2, each adjustable support column 5 can also be used mutually carries out cloth in a manner of 90 degree of angles It sets, while improving degree of convenience, also ensures that its stability.Predictably, the quantity of adjustable support column 5, arrangement And support strength, corresponding adjustment can be carried out according to service condition.
Embodiment 2
As the optimization explanation to above-mentioned technical proposal:
The chuck mechanism 4 is rotatable chuck mechanism.Purpose is that chuck clamping is stablized quickly, utilizes it Rotatable feature, it is more convenient to the welding position of adjustment part to be welded.
Embodiment 3
As the optimization explanation to above-mentioned technical proposal:
The straight line degree measurement mechanism 6 is two-dimensional orbit dial gauge.Purpose is, using the two-dimensional orbit dial gauge not only side of measurement Just, accuracy can also obtain higher guarantee.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of high-temperature superconductive lead wire electro-beam welding clamper, it is characterised in that: including clamp rail bracket, clamp rail The one end of bracket along its length is equipped with support frame, and the other end is equipped with sliding rack, and sliding rack bottom surface has along clamp rail bracket The freedom degree of length direction sliding, sliding rack are equipped with chuck mechanism vertically on the top surface of clamp rail bracket end side, Adjustable support column is equipped on the top surface of the other side vertically, is equipped at least two groups adjustable support column vertically in top surface of support frame, Vertical outside clamp rail bracket to be equipped at least one set of adjustable support column, above-mentioned adjustable support column is parallel to each other, and has There is the freedom degree and freedom degree flexible up and down moved left and right along bottom mounting surfaces, wherein being located at the adjustable of top surface of support frame Straight line degree measurement mechanism is also equipped between support column.
2. high-temperature superconductive lead wire electro-beam welding clamper according to claim 1, it is characterised in that: it is described can Mode support column includes pedestal and telescopic rod, and the top of telescopic rod is equipped with idler wheel.
3. high-temperature superconductive lead wire electro-beam welding clamper according to claim 1 or 2, it is characterised in that: the card Disc mechanism is rotatable chuck mechanism.
4. high-temperature superconductive lead wire electro-beam welding clamper according to claim 1 or 2, it is characterised in that: described straight Dimension measuring mechanism is two-dimensional orbit dial gauge.
5. a kind of high-temperature superconductive lead wire electro-beam welding process uses the high temperature as described in any one of claim 1-4 Superconductive current lead electro-beam welding clamper welds high-temperature superconductive lead wire, it is characterised in that: the welding procedure The following steps are included:
(1), this fixture is put into electron-beam welder vacuum chamber, clamp rail bracket adaptation is mounted on electron-beam welder vacuum chamber In guide rail on;
(2), it attaches the casing on heat exchanger and diverter assembly;
(3), chuck mechanism is fixed in heat exchanger one end, the other end is supported on the adjustable support column of sliding rack, mobile to slide Moving frame makes heat exchanger reach the place to be welded with diverter assembly;
(4), diverter assembly is supported on the adjustable support column of top surface of support frame;
(5), the straightness between heat exchanger and diverter assembly is measured using straight line degree measurement mechanism, and cooperated each adjustable Support column carries out the adjustment of straightness between heat exchanger and diverter assembly;
(6), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(7), it after vacuum degree reaches specified value, is welded using electron-beam welder electron gun heat exchanging device with diverter assembly It connects;
(8), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
(9), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened, the end of heat exchanger is taken out from chuck mechanism, and will weldering Heat exchanger and diverter assembly after connecing is mobile to the other end, by adjusting the horizontal position of adjustable support column each on support frame It moves, continues to the lower section for being supported on heat exchanger and diverter assembly, the tail portion of diverter assembly is by being arranged in clamp rail Support is completed in adjustable support column cooperation outside bracket;
(10), one end of room temperature copperhead is fixed on chuck mechanism, the other end by the adjustable support column on sliding rack into Row support, mobile sliding rack make room temperature copperhead reach the place to be welded with heat exchanger;
(11), the straightness between room temperature copperhead and heat exchanger is measured using straight line degree measurement mechanism, and cooperated each adjustable Support column carries out the adjustment of straightness between room temperature copperhead and heat exchanger;
(12), after straightness reaches specified value, electron-beam welder vacuum chamber is closed, is vacuumized;
(13), after vacuum degree reaches specified value, room temperature copperhead is exchanged using electron-beam welder electron gun and heat exchanger is welded It connects;
(14), after the completion of welding, electron-beam welder vacuum chamber deflation valve, vacuum breaker are opened;
(15), when vacuum chamber inside and outside air pressure balance, vacuum chamber is opened;
(16), high-temperature superconductive lead wire component is taken out.
CN201910007238.XA 2019-01-04 2019-01-04 High-temperature superconducting current lead electron beam welding process Active CN109604801B (en)

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Publication number Priority date Publication date Assignee Title
CN110227879A (en) * 2019-06-12 2019-09-13 淮南新能源研究中心 Hollow non-oxygen copper bar vacuum electron beam soldering method, current feed and nuclear fusion device
CN115173330A (en) * 2021-04-02 2022-10-11 上海电缆研究所有限公司 Auxiliary device for mounting superconducting cable terminal

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Publication number Priority date Publication date Assignee Title
CN110227879A (en) * 2019-06-12 2019-09-13 淮南新能源研究中心 Hollow non-oxygen copper bar vacuum electron beam soldering method, current feed and nuclear fusion device
CN110227879B (en) * 2019-06-12 2021-09-24 淮南新能源研究中心 Vacuum electron beam welding method for hollow oxygen-free copper rod, current lead and nuclear fusion device
CN115173330A (en) * 2021-04-02 2022-10-11 上海电缆研究所有限公司 Auxiliary device for mounting superconducting cable terminal
CN115173330B (en) * 2021-04-02 2024-05-14 上海电缆研究所有限公司 Superconducting cable terminal installation auxiliary device

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