CN202356786U - Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube - Google Patents

Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube Download PDF

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Publication number
CN202356786U
CN202356786U CN2011204723092U CN201120472309U CN202356786U CN 202356786 U CN202356786 U CN 202356786U CN 2011204723092 U CN2011204723092 U CN 2011204723092U CN 201120472309 U CN201120472309 U CN 201120472309U CN 202356786 U CN202356786 U CN 202356786U
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CN
China
Prior art keywords
thin
cup shell
electric resistance
resistance welding
cup
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Expired - Fee Related
Application number
CN2011204723092U
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Chinese (zh)
Inventor
吴华夏
侯昌忠
江祝苗
李金晶
张丽
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Anhui East China Institute of Optoelectronic Technology
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Anhui East China Institute of Optoelectronic Technology
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Priority to CN2011204723092U priority Critical patent/CN202356786U/en
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Publication of CN202356786U publication Critical patent/CN202356786U/en
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Abstract

The utility model discloses an electric resistance welding clamp for a thin-wall cup-shaped piece of a travelling wave tube. The thin-wall cup-shaped piece of the travelling wave tube comprises a cup-shaped piece body; a thin-wall sleeve is sleeved on the outer surface at one end of the cup-shaped piece body; a step is arranged at the other end of the cup-shaped piece body; the electric resistance welding clamp comprises a base, a bush, a gasket and a pressing cover; the base is connected with one end of the cup-shaped piece body, which is provided with the step; the bush is arranged at the top end of the base and is sleeved on the cup-shaped piece body; one end of the pressing cover is sleeved at one end of the cup-shaped piece body, which is sleeved with the thin-wall sleeve; the other end of the pressing cover is connected with the top end of the base; one end of the pressing cover is sleeved at one end of the cup-shaped piece body, where the thin-wall sleeve is sleeved, and the other end of the pressing cover is connected with the top end of the base; the gasket is arranged between the pressing cover and the bush; and in a working state, the pressing cover is tightly pressed on the gasket. The electric resistance welding clamp can be used for fast and conveniently realizing electric resistance welding of the thin-wall cup-shaped piece of the travelling wave tube, so that the welding quality and efficiency can be ensured.

Description

A kind of travelling-wave tubes thin-walled cup shell electric resistance welding anchor clamps
Technical field
The utility model relates to travelling-wave tubes frock clamp design field, specially refers to a kind of travelling-wave tubes thin-walled cup shell electric resistance welding anchor clamps.
Background technology
Travelling-wave tubes is the power amplifying device that a kind of kinetic energy that utilizes high-velocity electrons to annotate and with the microwave signal mutual effect electronics is annotated is converted into microwave energy.The range of application of travelling-wave tubes is very wide, and nearly all satellite communication all uses travelling-wave tubes as final amplifier.In most of radar systems, all to use one or some travelling-wave tubes as the high power amplifier that produces the high-frequency emission pulse.In addition, travelling-wave tubes can also be used in some high power amplifier in miscellaneous equipment, like the drive(r) stage of crossed field amplifier.
Travelling-wave tubes is a kind of ten minutes complex devices, and each travelling-wave tubes all is to be formed through erection welding by hundreds of even different, the different parts of hundreds of kind material.Travelling-wave tubes is higher to the size and the form and position tolerance required precision of parts, generally need when erection welding, use some frock clamps to guarantee the precision of these parts.Therefore the design of the frock clamp of travelling-wave tubes parts is crucial work in this field always.
Electric resistance welding is to utilize electric current directly to flow through weldment itself; On the thermal contact resistance between the weldment, produce Joule heat and heat up; Make its contact-making surface local melting or become mecystasis and by means of applying external force, therefore the method that two parts are linked together, resistance welded are called the contact welding again.Electric resistance welding is rapid, easy, reliable, in air, just can directly carry out, and not need admixture, so in the production of electron tube, use very generally, electric resistance welding can be divided into spot welding, butt welding and roll welding, wherein uses the most extensive with spot welding especially.The cup-shaped part of travelling-wave tubes thin-walled; In the electron gun of travelling-wave tubes, use very extensively, the cup-shaped part of travelling-wave tubes thin-walled as shown in Figure 7 comprises the cup shell body; One end outer surface of cup shell body need weld a thin walled cylinder body, has a step on the other end of part noumenon; The cup-shaped part of the travelling-wave tubes thin-walled of this kind structure needs special-purpose weld jig when welding, and guarantees welding efficiency and quality.
The utility model content
The purpose of the utility model is to provide a kind of and can Rapid Realization welds, and guarantees the travelling-wave tubes thin-walled cup shell electric resistance welding anchor clamps of welding quality and efficient.
To achieve these goals, the technical scheme of the utility model employing is:
The electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell, said travelling-wave tubes thin-walled cup shell comprises the cup shell body, is with thin walled cylinder body on the end outer surface of cup shell body, has a step on the other end of cup shell body; Said electric resistance welding anchor clamps comprise base, lining, pad and gland, and said base is connected with the end that the cup shell body has step; Said lining is located at the base top and is set on the cup shell body; Said gland one end is placed on cup-shaped body one end that is with thin walled cylinder body, and the said gland other end is connected with said base top; Said pad is located between said gland and the lining; Under the duty, said gland is pressed on the said pad.
Said center is provided with the blind hole that has installation step, and the step of said cup shell body matches with said installation step.
Said lining is that outer surface is the circular ring structure of the conical surface.
Said lining is for dividing body structure, and said lining is divided into two at the middle part.
Said gland is connected with said base by thread.
The advantage of the utility model is: the electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell; Base is that cup shell body, lining, pad and gland provide support; Lining is between the cup shell body two ends fixed support to be provided; When guaranteeing anchor clamps assembling and part electric resistance welding, the cup shell body is not damaged; The gland compress gasket, pad presses down clamping hub in the gland effect, and matches with base, is used for fixing cup shell body and other each parts of electric resistance welding anchor clamps of welding; The electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell assemble quick and conveniently, can be used in the electric resistance welding of realizing travelling-wave tubes thin-walled cup shell quickly and easily, guarantee welding quality and efficient; And it is simple in structure, and processing and fabricating is convenient, and cost is low.
Description of drawings
Facing the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure down briefly explains:
Fig. 1 is the structural representation of the electric resistance welding anchor clamps of the utility model travelling-wave tubes thin-walled cup shell;
Fig. 2 is the structural representation of base of the electric resistance welding anchor clamps of Fig. 1 travelling-wave tubes thin-walled cup shell;
Fig. 3 is the structural representation of gland of the electric resistance welding anchor clamps of Fig. 1 travelling-wave tubes thin-walled cup shell;
Fig. 4 is the structural representation of lining of the electric resistance welding anchor clamps of Fig. 1 travelling-wave tubes thin-walled cup shell;
Fig. 5 is the structural representation of the lining of the electric resistance welding anchor clamps of travelling-wave tubes thin-walled cup shell among Fig. 4;
Fig. 6 is the structural representation of pad of the electric resistance welding anchor clamps of Fig. 1 travelling-wave tubes thin-walled cup shell;
Fig. 7 is the structural representation of travelling-wave tubes thin-walled cup shell in prior art and the utility model;
Mark among the above-mentioned figure is:
1, base, 2, gland, 3, lining, 4, pad, 5, travelling-wave tubes thin-walled cup shell, 6, thin walled cylinder body, 7, the cup shell body.
The specific embodiment
Contrast accompanying drawing below,, the specific embodiment of the utility model is done further detailed explanation through description to optimum embodiment.
Extremely shown in Figure 6 like Fig. 1, the electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell, said travelling-wave tubes thin-walled cup shell 5 comprises cup shell body 7, is with thin walled cylinder body 6 on the end outer surface of cup shell body 7, has a step on the other end of cup shell body 7; Said electric resistance welding anchor clamps comprise base 1, lining 3, pad 4 and gland 2, and base 1 is connected with the end that cup shell body 7 has step, and base 1 provides support for cup shell body 7; Lining 3 is arranged at base 1 top and is set on the cup shell body 7; Gland 2 one ends are placed on cup-shaped body 7 one ends that are with thin walled cylinder body 6, and gland 2 other ends are connected with base 1 top; Pad 4 is located between gland 2 and the lining 3; Under the duty, gland 2 is pressed on the pad 4.
The electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell; Base 1 provides support for cup shell body 7, lining 3, pad 4 and gland 2; Lining 3 provides fixed support between cup shell body 7 two ends, and when guaranteeing anchor clamps assembling and part electric resistance welding, cup shell body 7 is not damaged; Gland 2 compress gaskets 3, pad 4 presses down clamping hub 3 in gland 2 effects, and matches with base 1, is used for fixing cup shell body 7 and other each parts of electric resistance welding anchor clamps of welding; Pad 4 is delivered on the lining 3 thrust of gland 2 so that lining 3 is fixed and compressed, and further fixes the cup shell body 7 and the electric resistance welding anchor clamps of welding; The electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell can be used in the electric resistance welding of realizing travelling-wave tubes thin-walled cup shell quickly and easily, guarantee welding quality and efficient.
Base 1 center is provided with the blind hole that has installation step, and the step of cup shell body 7 matches with installation step, when guaranteeing to install; The bottom of cup shell body 7 does not contact with blind-hole bottom; Further, when guaranteeing anchor clamps assembling and part electric resistance welding, cup shell body 7 is not damaged; Lining 3 is the circular ring structure of the conical surface for outer surface; Directly do not contact when pad 4 is installed like this with lining 3; When gland 2 applied active force for pad 4, pad 4 contacted with lining 3, and tightly is pressed on the lining 3; Not only be convenient to lining 3 and install, and its can be further fixing cup shell body 7; As shown in Figure 5, lining 3 is divided into two at the middle part, is a minute body structure, is convenient to the installation and the dismounting of lining 3 like this; Gland 2 and base 1, are enclosed within thin walled cylinder body 6 on the cup shell body 7 when assembling like this through being threaded, if thin walled cylinder body 6 is inserted in the too little inconvenience assembling of time space, can being threaded between gland 2 and the base 1 be unscrewed; If it is too big that thin walled cylinder body 6 is inserted in time space, can being threaded between gland 2 and the base 1 be screwed; Just can carry out electric resistance welding after assembling.
The assemble sequence of the electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell is: the relevant position that at first cup shell body 7 is placed into base 1; Be placed on base 1 top after being enclosed within lining 3 on the cup-shaped body 7; Pad 4 is placed on the lining 3; Screw on the base 1 gland 2 and compress gasket 4 and lining 3; Thin cylinder cover 6 on cup shell body 7, too tightly can be unscrewed being threaded between gland 2 and the base 1 if thin walled cylinder body 6 covers are fashionable; If the fashionable too pine of thin walled cylinder body 6 cover can be screwed being threaded between gland 2 and the base 1; Just can carry out electric resistance welding after assembling; The electric resistance welding anchor clamps of said travelling-wave tubes thin-walled cup shell, each component materials all adopt austenitic stainless steel 1Cr18Ni9Ti to make, melanism processing in wet hydrogen during making.
Above the utility model has been carried out exemplary description; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the method design of the utility model and the improvement of the various unsubstantialities that technical scheme is carried out; Or the design of the utility model and technical scheme are directly applied to other occasion without improving, all within the protection domain of the utility model.

Claims (5)

1. travelling-wave tubes thin-walled cup shell electric resistance welding anchor clamps, said travelling-wave tubes thin-walled cup shell (5) comprises cup shell body (7), is with thin walled cylinder body (6) on the end outer surface of cup shell body (7), has a step on the other end of cup shell body (7); It is characterized in that: said electric resistance welding anchor clamps, comprise base (1), lining (3), pad (4) and gland (2), said base (1) is connected with the end that cup shell body (7) has step; Said lining (3) is located at base (1) top and is set on the cup shell body (7); Said gland (2) one ends are placed on cup-shaped body (7) one ends that are with thin walled cylinder body (6), and said gland (2) other end is connected with said base (1) top; Said pad (4) is located between said gland (2) and the lining (3); Under the duty, said gland (2) is pressed on the said pad (4).
2. according to the described travelling-wave tubes thin-walled of claim 1 cup shell electric resistance welding anchor clamps, it is characterized in that: said base (1) center is provided with the blind hole that has installation step, and the step of said cup shell body (7) matches with said installation step.
3. according to claim 1 or 2 described travelling-wave tubes thin-walled cup shell electric resistance welding anchor clamps, it is characterized in that: said lining (3) is the circular ring structure of the conical surface for outer surface.
4. according to the described travelling-wave tubes thin-walled of claim 3 cup shell electric resistance welding anchor clamps, it is characterized in that: said lining (3) is for dividing body structure, and said lining (3) is divided into two at the middle part.
5. according to the described travelling-wave tubes thin-walled of claim 4 cup shell electric resistance welding anchor clamps, it is characterized in that: said gland (2) and said base (1) are through being threaded.
CN2011204723092U 2011-11-24 2011-11-24 Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube Expired - Fee Related CN202356786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204723092U CN202356786U (en) 2011-11-24 2011-11-24 Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204723092U CN202356786U (en) 2011-11-24 2011-11-24 Electric resistance welding clamp for thin-wall cup-shaped piece of travelling wave tube

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659104A (en) * 2013-11-12 2014-03-26 成都发动机(集团)有限公司 Work fixture for welding blade in large inside and outside thin-wall conical cylinder annular space
CN104588890A (en) * 2014-12-31 2015-05-06 瑞安市激光应用工程示范中心有限公司 Clamp for surfacing outer surface of thin-wall annular workpiece
CN106216788A (en) * 2016-08-23 2016-12-14 安徽华东光电技术研究所 A kind of Electronic Control aperture plate welding tooling and welding method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103659104A (en) * 2013-11-12 2014-03-26 成都发动机(集团)有限公司 Work fixture for welding blade in large inside and outside thin-wall conical cylinder annular space
CN103659104B (en) * 2013-11-12 2016-01-20 成都发动机(集团)有限公司 For the frock clamp at large-scale inside and outside thin-walled taper cone barrel annular space welding blade
CN104588890A (en) * 2014-12-31 2015-05-06 瑞安市激光应用工程示范中心有限公司 Clamp for surfacing outer surface of thin-wall annular workpiece
CN104588890B (en) * 2014-12-31 2019-02-05 浙江久恒光电科技有限公司 A kind of fixture for circular thin-wall outer surface of workpiece built-up welding
CN106216788A (en) * 2016-08-23 2016-12-14 安徽华东光电技术研究所 A kind of Electronic Control aperture plate welding tooling and welding method
CN106216788B (en) * 2016-08-23 2019-07-02 安徽华东光电技术研究所 A kind of welding method that aperture plate welding tooling is controlled electronically

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120801

Termination date: 20151124