JPH09271959A - Welding equipment for rotary two electrode reinforcing bar cage - Google Patents
Welding equipment for rotary two electrode reinforcing bar cageInfo
- Publication number
- JPH09271959A JPH09271959A JP8242896A JP8242896A JPH09271959A JP H09271959 A JPH09271959 A JP H09271959A JP 8242896 A JP8242896 A JP 8242896A JP 8242896 A JP8242896 A JP 8242896A JP H09271959 A JPH09271959 A JP H09271959A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- bar
- electrode
- rotating
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Wire Processing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本件発明は、ＰＣ鋼棒を使用する
鉄筋カゴ溶接装置に関し、特に、ＰＣ鋼棒と鉄筋の溶接
電流をそれぞれ独立して制御する鉄筋カゴ溶接装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing bar basket welding device using a PC steel rod, and more particularly to a reinforcing bar basket welding device for independently controlling the welding currents of the PC steel rod and the reinforcing bar.
【０００２】[0002]
【従来技術】コンクリート杭は内部に補強用の鉄筋カゴ
が埋設されている。この鉄筋カゴの溶接装置として特公
昭61-59833号公報があり、鉄筋カゴの製造例が記載され
ている。同公報に示すように、かかる鉄筋カゴは、ＰＣ
鋼棒である複数の主筋を杭の長手方向に周状に配置し、
さらにそれら主筋を囲むように螺旋状の補助筋を巻回し
て、それら交点を溶接し、カゴ状に形成されたものであ
る。2. Description of the Related Art Concrete piles have a reinforcing steel cage embedded therein. Japanese Patent Publication No. 61-59833 discloses a welding device for the reinforcing bar basket, which describes an example of manufacturing the reinforcing bar basket. As shown in the publication, such a reinforcing bar basket is a PC
Arranging multiple main bars that are steel rods in a circumferential direction in the longitudinal direction of the pile,
Further, a spiral auxiliary muscle is wound so as to surround the main muscles, and the intersections thereof are welded to form a basket shape.
【０００３】一方、ＰＣ鋼棒を主筋としたＰＣ杭は、鉄
筋を主筋に用いたＲＣ杭に比べて靱性に劣るために、こ
の欠点を改善するためＰＣ鋼棒と共に通常の鉄筋を用い
たＰＲＣ杭も提案されている。On the other hand, a PC pile using a PC steel bar as a main bar is inferior in toughness to an RC pile using a reinforcing bar as a main bar. Therefore, in order to improve this drawback, a PRC using a normal reinforcing bar together with a PC steel bar is used. Pile is also proposed.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記し
たＰＣ鋼棒と通常の鉄筋を併用するＰＲＣ杭では、同杭
に用いられる鉄筋カゴを製造する際、ＰＣ鋼棒と通常の
鉄筋を同じ溶接電流を用いて溶接すると溶接不良を生じ
る。このためＰＣ鋼棒のみ螺旋筋とクロス溶接し、鉄筋
は鉄線を用いて補助筋にバインドしていたが、かかるバ
インド作業は手間がかかり、ＰＲＣ杭の生産効率を低い
ものとしていた。However, in the PRC pile in which the PC steel rod and the ordinary rebar are used in combination, the PC steel rod and the ordinary rebar have the same welding current when manufacturing the rebar cage used for the same. Welding failure occurs when welding with. Therefore, only the PC steel rod was cross-welded with the spiral bar and the reinforcing bar was bound to the auxiliary bar by using the iron wire. However, such binding work was troublesome and the production efficiency of the PRC pile was low.
【０００５】そこで、本発明の目的は、ＰＲＣ杭に用い
る鉄筋カゴの製造工程において、ＰＣ鋼と通常の鉄筋の
溶接電流を独立して制御し、溶接不良を生じさせること
なく両者を補助筋に対して溶接可能とした、鉄筋カゴ溶
接装置を提案することにある。Therefore, an object of the present invention is to independently control the welding currents of PC steel and ordinary reinforcing bars in the manufacturing process of the reinforcing bar baskets used for PRC piles, and use both as auxiliary bars without causing welding defects. The purpose is to propose a rebar cage welding device that enables welding.
【０００６】[0006]
【課題を解決するための手段】本発明は、複数のＰＣ鋼
棒と鉄筋が所定間隔で周状配置されて引き出される主筋
群と、それに螺旋状に巻回される補助筋とのクロス点を
溶接する装置であって、同期速度で回転する溶接用の回
転電極とテンパー用の回転電極およびそれらに対応する
固定電極を有し、溶接用の回転電極と固定電極間に供給
される溶接電流をＰＣ鋼棒溶接と鉄筋溶接のそれぞれに
ついて独立して制御する制御手段を設けた回転２極式鉄
筋カゴ溶接装置を提案することによって、上記課題を解
決する。SUMMARY OF THE INVENTION According to the present invention, a cross point between a main bar group drawn out by circumferentially arranging a plurality of PC steel bars and reinforcing bars at a predetermined interval and an auxiliary bar spirally wound around the main bar group is provided. A welding device, which has a rotating electrode for welding that rotates at a synchronous speed, a rotating electrode for tempering, and a fixed electrode corresponding to them, and supplies a welding current supplied between the rotating electrode for welding and the fixed electrode. The above problem is solved by proposing a rotating bipolar pole rebar basket welding apparatus provided with a control means for independently controlling each of PC steel rod welding and rebar welding.
【０００７】また、外周に所定間隔で複数のカム突起を
設けた回転導電体と、該回転導電体の周囲に配置される
とともに、付勢手段により前記回転導電体の外周方向に
付勢され、且つ前記カム突起間では前記回転導電体とは
接触しない複数の固定導電体とを有する固定電極と、前
記回転導電体のカム突起と同期して回転し、間欠的に前
記固定導電体との間に前記主筋及び補助筋を挟みこんで
電流が導通される溶接用回転電極及びＰＣ鋼棒テンパー
用回転電極と、を有する回転２極式鉄筋カゴ溶接装置と
することもできる。Further, a rotating conductor provided with a plurality of cam protrusions on the outer periphery at predetermined intervals, and a rotating conductor disposed around the rotating conductor and biased in the outer circumferential direction of the rotating conductor by biasing means, In addition, between the fixed protrusions having a plurality of fixed conductors that do not come into contact with the rotating conductor between the cam protrusions and the fixed protrusions that rotate in synchronization with the cam protrusions of the rotating conductors. It is also possible to provide a rotating bipolar electrode rebar basket welding apparatus having a rotating electrode for welding and a rotating electrode for PC steel bar temper which conducts current by sandwiching the main bar and the auxiliary bar.
【０００８】[0008]
【発明の実施の形態】本発明の実施例を図１乃至図４を
用いて説明する。図１は実施例の溶接装置を使用して製
造する鉄筋カゴの斜視図、図２は実施例の導電装置の回
転電極の正断面図であり、図３は同導電装置の側断面図
である。また、図４は実施例の電流制御装置のブロック
図である。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a reinforcing bar basket manufactured using the welding apparatus of the embodiment, FIG. 2 is a front sectional view of a rotary electrode of a conductive device of the embodiment, and FIG. 3 is a side sectional view of the conductive device. . FIG. 4 is a block diagram of the current control device of the embodiment.
【０００９】図１に示すように、鉄筋カゴ100 はＰＲＣ
杭に用いられる鉄筋カゴであって、主筋101 としてＰＣ
鋼棒101Aと通常の鉄筋101Bと用いる。そして、これら主
筋101 を、ＰＣ鋼棒101Aと通常の鉄筋101Bが交互となる
ように円周状に配置し、螺旋状の補助筋102 をこれら主
筋101 の外周に巻回し、クロス部を溶接してなるもので
ある。なお、図１乃至図３に図示する装置では、ＰＣ鋼
棒、ＰＣ鋼棒、異形鉄筋、ＰＣ鋼棒、ＰＣ鋼棒、異形鉄
筋・・・の順で、計９本の主筋を有する鉄筋カゴを製造
する溶接装置について説明する。As shown in FIG. 1, the rebar basket 100 is a PRC.
Reinforcing bar basket used for piles, PC as main bar 101
Used with steel rod 101A and normal rebar 101B. Then, these main bars 101 are circumferentially arranged so that the PC steel rods 101A and the ordinary reinforcing bars 101B are alternately arranged, and the spiral auxiliary bars 102 are wound around the outer circumferences of these main bars 101, and the cross portion is welded. It will be. In addition, in the apparatus illustrated in FIGS. 1 to 3, a rebar cage having a total of nine main bars in the order of PC steel bar, PC steel bar, deformed bar, PC steel bar, PC steel bar, deformed bar. The welding apparatus for manufacturing the will be described.
【００１０】図２及び図３を用いて、上記した鉄筋カゴ
を製造する溶接装置の、導電装置を説明する。導電装置
Ａは補助筋101Bの外周縁に接触しながら回転移動する回
転電極１と、電極リング２内に配置された、回転導電体
３と複数の電極棒４とから構成される固定電極５より構
成される。A conductive device of the welding device for manufacturing the above-described reinforcing bar basket will be described with reference to FIGS. 2 and 3. The conductive device A includes a rotating electrode 1 that rotates while contacting the outer peripheral edge of the auxiliary muscle 101B, and a fixed electrode 5 that is arranged in the electrode ring 2 and that is composed of a rotating conductor 3 and a plurality of electrode rods 4. Composed.
【００１１】回転電極１は、第１回転電極１Ａ、第２回
転電極１Ｂの２つが設けられ、それぞれ図示しない回転
駆動装置により、所定の速度で回転する。これら２つの
回転電極１Ａ、１Ｂは、それぞれ後述する電源装置が接
続され、180度の配置角度をもって同速度で回転する。
なお、第２回転電極１Ｂは、第１回転電極に対し主筋10
1 の長手方向に補助筋102 の螺旋ピッチ分だけずらして
配置してある。The rotary electrode 1 is provided with two rotary electrodes, a first rotary electrode 1A and a second rotary electrode 1B, each of which rotates at a predetermined speed by a rotary drive device (not shown). These two rotary electrodes 1A and 1B are connected to a power supply device, which will be described later, and rotate at the same speed with an arrangement angle of 180 degrees.
The second rotary electrode 1B is connected to the first rotary electrode 10
They are arranged so as to be displaced in the longitudinal direction of 1 by the spiral pitch of the auxiliary muscle 102.
【００１２】電極リング２は、製造する鉄筋カゴの内径
よりやや小径の外径を有し、主筋101 に対応する位置に
段差８ａを有する窓８を設けている。電極リング２に連
続する後端の円盤部２ａはベース６にボルト６ａを用い
て固定している。また、円盤部２ａの外周には、絶縁材
であるベークライト製の位置決め部材７をボルト７ａを
用いて固定しており、同部材７が主筋101 に接触し、鉄
筋カゴ内での電極リング２の位置決めを行っている。The electrode ring 2 has an outer diameter slightly smaller than the inner diameter of the rebar cage to be manufactured, and is provided with a window 8 having a step 8a at a position corresponding to the main bar 101. The disk portion 2a at the rear end, which is continuous with the electrode ring 2, is fixed to the base 6 with bolts 6a. In addition, a positioning member 7 made of Bakelite, which is an insulating material, is fixed to the outer periphery of the disk portion 2a using bolts 7a. The member 7 comes into contact with the main bar 101, and the electrode ring 2 in the cage of the reinforcing bar is fixed. Positioning is in progress.
【００１３】固定電極５の一部を構成する回転導電体３
は、その外周縁に２つのカム突起３ａを有する。これら
カム突起３ａは、前記した回転電極１Ａ、１Ｂに対応す
るように、180度の角度をもって形成されている。この
回転導電体３は、電極リング２の中心に、ベアリング６
ｂで支持された回転軸３ｂの先端にボルト３ｃを用いて
取り付けられている。そして、回転軸３ｂ及びこれに固
定された回転導電体３は、図示しない駆動装置によっ
て、前記した回転電極１Ａ、１Ｂと同期して所定速度で
回転する構造となっている。Rotating conductor 3 forming a part of the fixed electrode 5.
Has two cam projections 3a on its outer peripheral edge. These cam protrusions 3a are formed with an angle of 180 degrees so as to correspond to the above-mentioned rotary electrodes 1A and 1B. The rotating conductor 3 has a bearing 6 at the center of the electrode ring 2.
It is attached to the tip of the rotating shaft 3b supported by b using a bolt 3c. The rotary shaft 3b and the rotary conductor 3 fixed to the rotary shaft 3b are rotated at a predetermined speed in synchronization with the rotary electrodes 1A and 1B by a driving device (not shown).
【００１４】電極棒４は回転導電体３と電極リング２と
の間に放射状に配置された棒状の導電体であって、その
一端にはフランジ４ａが形成され、電極リングの窓８の
段差部８ａに係合する。そして、電極棒４の中途部には
ピン４ｃが固定されており、このピン４ｃと電極リング
２の内周面との間にスプリングＳをはめ込むことによっ
て、電極棒４を回転導電体３方向に付勢している。The electrode rod 4 is a rod-shaped conductor radially arranged between the rotating conductor 3 and the electrode ring 2. A flange 4a is formed at one end of the electrode rod 4, and the step portion of the window 8 of the electrode ring is formed. 8a is engaged. A pin 4c is fixed in the middle of the electrode rod 4, and a spring S is fitted between the pin 4c and the inner peripheral surface of the electrode ring 2 to move the electrode rod 4 toward the rotating conductor 3. I am biased.
【００１５】前記した回転導電体３が所定速度で回転す
ると、カム突起３ａがスプリングＳの付勢に抗して電極
棒４を押上げ主筋101 に接触させる。そして、かかる電
極棒４と、カム突起３ａと同期して回転する回転電極１
Ａ、１Ｂとが主筋101 を挟み、後述する溶接回路がタイ
ミングを計って電流を流し、クロス点を抵抗溶接する。When the rotating conductor 3 is rotated at a predetermined speed, the cam projection 3a resists the bias of the spring S to bring the electrode rod 4 into contact with the pushing-up main bar 101. Then, the electrode rod 4 and the rotating electrode 1 that rotates in synchronization with the cam protrusion 3a.
A and 1B sandwich the main bar 101, and a welding circuit, which will be described later, applies an electric current at a timing, and resistance welding is performed at the cross point.
【００１６】但し、電極棒４は、そのフランジ４ａが窓
８の段差部８ａに当接することにより位置決めされ、先
端４ｂはカム突起３ａ間の平坦部３ｄにおいて回転導電
体３と接触しないように設計されている。このため、第
１回転電極１Ａに、ＰＣ溶接電流に比べて大きい鉄筋溶
接電流が流れる場合であっても、近接するＰＣ鋼棒まで
の距離が短くとも溶接電流の一部がＰＣ鋼棒101A−電極
棒４との間でループして漏電することはなく、ＰＣ鋼棒
101Ａに予期しない電流が流れることを防止することが
できるために、溶接品質を保つことができる。However, the electrode rod 4 is designed so that its flange 4a abuts on the stepped portion 8a of the window 8, and the tip 4b is designed so as not to come into contact with the rotating conductor 3 in the flat portion 3d between the cam projections 3a. Has been done. Therefore, even when a reinforcing bar welding current larger than the PC welding current flows through the first rotary electrode 1A, a part of the welding current is not generated even if the distance to the adjacent PC steel bar is short. It does not loop between the electrode rod 4 and leak current, and it is a PC steel rod.
Since it is possible to prevent an unexpected current from flowing through 101A, the welding quality can be maintained.
【００１７】なお、電極棒４は、主筋101 と同数が用い
られる。本実施例においては、ＰＣ鋼棒101Aが６本、異
形鉄骨101Bが３本の、計９本の主筋101 を有する鉄筋カ
ゴを製造するため、溶接装置は９つの電極棒４を有す
る。また、例えば、ＰＣ鋼棒と異形鉄筋が交互に６本づ
つ配置される場合は、電極棒４は１２本設けられ、ＰＣ
鋼棒の間に鉄筋が２本配置され、ＰＣ鋼棒１７本、異形
鉄筋が３４本の場合は、電極棒４は５１本設けられる。The same number of electrode rods 4 as the main bars 101 are used. In the present embodiment, the welding apparatus has nine electrode rods 4 in order to manufacture a reinforcing bar basket having nine main bars 101, six PC steel bars 101A and three deformed steel frames 101B. Further, for example, when six PC steel rods and six deformed reinforcing bars are alternately arranged, twelve electrode rods 4 are provided, and
When two rebars are arranged between the steel rods and there are 17 PC steel rods and 34 deformed rebars, 51 electrode rods 4 are provided.
【００１８】また、電極棒４の長さはカム突起３ａの上
端と主筋101 間の距離と同じに設定されるが、ＰＣ鋼棒
101Aと異形鉄筋101Bの径が異なるため、対応する主筋10
1 の種類に合わせて、長短２種類の電極棒４Ａ、４Ｂが
用いられる。Further, the length of the electrode rod 4 is set to be the same as the distance between the upper end of the cam projection 3a and the main bar 101, but the PC steel rod is used.
Because the diameters of 101A and deformed bar 101B are different, the corresponding main bar 10
Two types of long and short electrode rods 4A and 4B are used according to one type.
【００１９】なお、上記導電装置Ａによれば、鉄筋カゴ
のＰＣ鋼棒と異形鉄筋の配列順序が変更になっても、取
り付ける電極棒４の種類（長さ）を適宜変更し、後述す
る電流制御装置Ｂの鉄筋の配列情報を変更することによ
って、簡単に対応することができる。また、主筋101 の
本数が変更になる場合でも、電極リング２を取り代える
ことで、簡単に溶接装置の仕様変更を行うことができ
る。According to the conductive device A, even if the arrangement order of the PC steel rods and the deformed rebars of the reinforced basket is changed, the type (length) of the electrode rod 4 to be attached is appropriately changed and the electric current described later is obtained. This can be easily handled by changing the arrangement information of the reinforcing bars of the control device B. Further, even when the number of main bars 101 is changed, the specifications of the welding device can be easily changed by replacing the electrode ring 2.
【００２０】次に、図４を用いて、回転電極１Ａ、１Ｂ
に通電する電流を制御する制御装置を説明する。なお、
同図において、製造する溶接カゴの例として、図１及び
図２と異なりＰＣ鋼棒101Aと異形鉄筋101Bとを交互に配
列したものを図示している。Next, referring to FIG. 4, the rotary electrodes 1A and 1B are used.
A control device for controlling the electric current applied to the device will be described. In addition,
In the same drawing, as an example of a welding basket to be manufactured, a PC steel bar 101A and deformed bar 101B are alternately arranged unlike FIG. 1 and FIG.
【００２１】この電流制御装置Ｂは、ＰＣ鋼棒101Aと補
助筋102 との溶接電流を流すＰＣ溶接回路10と、ＰＣ鋼
棒101Aの溶接部をテンパーするためのＰＣテンパー回路
20と、異形鉄筋101Bと補助筋102 との溶接電流を流す鉄
筋溶接回路30を有し、これら回路10,20,30の通電タイミ
ング等は制御部40により制御される。なお、各回路に流
すべき電流量や時間はデータ部41に記録されており、こ
の情報を基に制御が行なわれる。また、電流制御装置の
作動開始、停止また各種設定は制御盤42により行われ、
この作動状態はこの制御盤42に表示される。This current control device B includes a PC welding circuit 10 for passing a welding current between the PC steel rod 101A and the auxiliary bar 102, and a PC temper circuit for tempering the welded portion of the PC steel rod 101A.
20 and a reinforcing bar welding circuit 30 for passing a welding current between the deformed reinforcing bar 101B and the auxiliary reinforcing bar 102, and the energizing timing of these circuits 10, 20, 30 and the like are controlled by the control unit 40. The amount of current and the time to be passed through each circuit are recorded in the data section 41, and control is performed based on this information. In addition, the operation of the current control device, stop and various settings are performed by the control panel 42,
This operating state is displayed on the control panel 42.
【００２２】ＰＣ溶接回路10、ＰＣテンパー回路20、鉄
筋溶接回路30は、それぞれ所定の電流を流す溶接制御部
11、21、31、電流を制御するＳＣＲスタック12、22、3
2、及び両者を同期させるための同期回路13、23、33を
有する。さらにＰＣ溶接回路10とＰＣテンダー回路20
は、所定電流が流れたかどうかをチェックし、溶接品質
の管理を行うための電流チェック回路14、24を有してい
る。また、第１回転電極１Ａに流す電流は、トランス15
で変換・設定され、ＰＣ鋼棒101Aの溶接には3000アンペ
ア、異形鉄筋101Bの溶接には6000アンペアの電流が流さ
れる。また、第２回転電極１Ｂに流すＰＣテンパー用電
流はトランス25により3200アンペアに設定される。The PC welding circuit 10, the PC temper circuit 20, and the reinforcing bar welding circuit 30 are welding control units for supplying predetermined currents, respectively.
11,21,31, SCR stack controlling current 12,22,3
2 and synchronization circuits 13, 23, 33 for synchronizing the two. PC welding circuit 10 and PC tender circuit 20
Has current check circuits 14 and 24 for checking whether or not a predetermined current has flowed and managing the welding quality. In addition, the current supplied to the first rotary electrode 1A is
The current is 3000 amperes for welding PC steel bar 101A and 6000 amperes for welding deformed bar 101B. The current for PC temper sent to the second rotary electrode 1B is set to 3200 amperes by the transformer 25.
【００２３】上記電流制御装置において、各ＰＣ溶接回
路10、ＰＣテンパー回路20、鉄筋溶接回路30のマイナス
極は、回転導電体３に接続されている。一方、ＰＣ溶接
回路10と鉄筋溶接回路30のプラス極は第１回転電極体１
Ａに接続され、ＰＣテンパー回路20のプラス極は第２回
転電極１Ｂに並列接続されている。In the above current controller, the negative electrodes of each PC welding circuit 10, PC temper circuit 20, and reinforcing bar welding circuit 30 are connected to the rotating conductor 3. On the other hand, the positive electrodes of the PC welding circuit 10 and the reinforcing bar welding circuit 30 are the first rotating electrode body 1
A positive electrode of the PC temper circuit 20 is connected in parallel to the second rotary electrode 1B.
【００２４】上記構成を有する溶接装置において、これ
を作動させると、固定電極５の回転導電体３が所定速度
で回転し、順次電極棒４を押上げてこれを主筋101 に接
触させると同時に制御装置40が各カム突起３ｂの角度を
測って、電極棒４と主筋101が接触するタイミングで電
流を流す。そして、補助筋102 に接触している回転電極
１Ａ、１Ｂとの間で回路をショートさせ、主筋101 と補
助筋102 とのクロス点を抵抗溶接する。When the welding apparatus having the above-mentioned structure is operated, the rotating conductor 3 of the fixed electrode 5 rotates at a predetermined speed, and the electrode rod 4 is sequentially pushed up to bring it into contact with the main bar 101 and control at the same time. The device 40 measures the angle of each cam projection 3b, and a current is supplied at the timing when the electrode rod 4 and the main bar 101 come into contact with each other. Then, the circuit is short-circuited between the rotary electrodes 1A and 1B that are in contact with the auxiliary muscle 102, and the cross point between the main muscle 101 and the auxiliary muscle 102 is resistance-welded.
【００２５】上記したとおり、第１回転電極１ＡはＰＣ
溶接回路10と鉄筋溶接回路30が共用するために、制御部
40が両者のタイミングをとって、両回路10、30を開閉す
る。これら回路10、30の開閉は、制御盤42から入力され
たＰＣ鋼棒101Aと異形鉄筋101Bの配列情報に基づき、角
度制御に行なわれる。すなわち、図４のように１２本の
主筋101 が配列される鉄筋カゴにおいては、回路の開閉
タイミングは３０度の角度に設定され、また主筋101 の
配列情報に基づき、２つの回転電極１Ａ、１Ｂに対して
どの回路を開くかを決定する。As described above, the first rotary electrode 1A is a PC
Since the welding circuit 10 and the reinforcing bar welding circuit 30 are shared, the control unit
40 opens and closes both circuits 10 and 30 at the timing of both. The opening and closing of these circuits 10 and 30 are performed for angle control based on the arrangement information of the PC steel bar 101A and the deformed rebar 101B input from the control panel 42. That is, in the rebar cage in which twelve main bars 101 are arranged as shown in FIG. 4, the circuit opening / closing timing is set to an angle of 30 degrees, and the two rotary electrodes 1A, 1B are set based on the arrangement information of the main bars 101. For which circuit to open.
【００２６】ＰＣ鋼棒101Aと異形鉄筋101Bとが交互に配
置された図４の鉄筋カゴにおいては、第１回転電極１Ａ
には回転導電体３のカム突起３ｂが３０度の回転角度毎
に、3000アンペア（ＰＣ鋼棒）〜6000アンペア（異形鉄
筋）〜3000アンペア（ＰＣ鋼棒）〜6000アンペア（異形
鉄筋）の順に電流が流される。また、第２回転電極１Ｂ
には、同様に３０度の回転角度毎に、3200アンペア（Ｐ
Ｃ鋼棒）〜通電せず（異形鉄筋）〜3200アンペア（ＰＣ
鋼棒）〜通電せず（異形鉄筋）という順で電流制御が行
なわれる。In the rebar cage of FIG. 4 in which PC steel rods 101A and deformed rebars 101B are alternately arranged, the first rotary electrode 1A is used.
The cam projection 3b of the rotating conductor 3 is in the order of 3000 amps (PC steel bar) to 6000 amps (deformed bar) to 3000 amps (PC bar) to 6000 amps (deformed bar) for each rotation angle of 30 degrees. An electric current is passed. Also, the second rotary electrode 1B
Similarly, for each 30 degree rotation angle, 3200 amps (P
C steel bar) ~ No electricity (deformed bar) ~ 3200 amps (PC
Current control is performed in the order of steel bar) -not energized (deformed bar).
【００２７】上記溶接装置においてはＰＣ鋼棒101Aの溶
接電流およびテンパー電流を流した際、電流チェック回
路14、24が所定の電流が流れたかどうかを記録し、溶接
強度を監視することにより品質管理を行うことができ
る。In the above welding apparatus, when the welding current and the tempering current of the PC steel rod 101A are passed, the current check circuits 14 and 24 record whether or not a predetermined current is passed, and monitor the welding strength to control the quality. It can be performed.
【００２８】[0028]
【発明の効果】以上説明した溶接装置によっては、ＰＣ
鋼棒と通常鉄筋とを混在させたＰＲＣ杭に用いる鉄筋カ
ゴの製造工程において、ＰＣ鋼棒と通常の鉄筋の溶接電
流を独立して制御し、ＰＣ鋼棒と通常鉄筋のそれぞれに
流す電流を適当な値に設定することができる。このた
め、通常鉄筋と補助筋とを鉄線を用いて別工程で締結す
る必要はなく、製造効率を向上させることができる。ま
た、ＰＣ鋼棒と鉄筋の溶接電流を独立して制御するため
に、それぞれの溶接箇所において溶接不良を生じさせる
ことがなく、所定強度を保った高品質の鉄筋カゴを製造
することができる。According to the welding apparatus described above, a PC
In the manufacturing process of a reinforcing bar basket used for a PRC pile in which steel rods and normal reinforcing bars are mixed, the welding currents of PC steel bars and normal reinforcing bars are independently controlled, and the electric currents to flow to the PC steel bars and normal reinforcing bars are controlled respectively. It can be set to an appropriate value. Therefore, it is not necessary to fasten the ordinary reinforcing bar and the auxiliary reinforcing bar in a separate process using the iron wire, and the manufacturing efficiency can be improved. Further, since the welding currents of the PC steel rod and the reinforcing bar are controlled independently, it is possible to manufacture a high-quality reinforcing bar basket having a predetermined strength without causing welding failure at each welding position.
【００２９】さらに、回転電極と固定電極を使用して上
記溶接装置を構成した場合は、大きな溶接電流を必要と
する鉄筋を溶接する際、近接するＰＣ鋼棒までの距離が
短い場合であっても溶接電流の一部がＰＣ鋼棒−固定電
極との間でループして漏電することはなく、設定溶接電
流を維持して溶接品質を保つことができる。Further, in the case where the above-mentioned welding device is constructed by using the rotating electrode and the fixed electrode, when welding the reinforcing bar requiring a large welding current, the distance to the adjacent PC steel bar is short. Also, a part of the welding current does not loop between the PC steel rod and the fixed electrode to leak current, and the set welding current can be maintained to maintain the welding quality.
【図１】実施例の溶接装置を使用して製造する鉄筋カゴ
の斜視図である。FIG. 1 is a perspective view of a reinforcing bar basket manufactured by using a welding apparatus according to an embodiment.
【図２】実施例の導電装置の回転電極の正断面図であ
る。FIG. 2 is a front cross-sectional view of a rotary electrode of a conductive device according to an example.
【図３】実施例の導電装置の側断面図である。FIG. 3 is a side sectional view of a conductive device according to an embodiment.
【図４】実施例の電流制御装置のブロック図である。FIG. 4 is a block diagram of a current control device according to an embodiment.
Ａ…導電装置 Ｂ…電流制御装置 １Ａ（１）…第１回転電極（溶接用回転電極） １Ｂ（１）…第２回転電極（ＰＣ鋼棒テンパー用電極） ２…電極リング ３…回転導電体 ３ｂ…カム突起 ４…電極棒（固定導電体） ５…固定電極 Ｓ…スプリング（付勢手段） 10…ＰＣ溶接回路 20…ＰＣテンパー回路 30…鉄筋溶接回路 40…制御部 100 …溶接カゴ 101 …主筋 101A…ＰＣ鋼棒 101B…異形鉄筋 102 …補助筋 A ... Conductive device B ... Current control device 1A (1) ... First rotating electrode (welding rotating electrode) 1B (1) ... Second rotating electrode (PC steel bar temper electrode) 2 ... Electrode ring 3 ... Rotating conductor 3b ... Cam projection 4 ... Electrode rod (fixed conductor) 5 ... Fixed electrode S ... Spring (biasing means) 10 ... PC welding circuit 20 ... PC temper circuit 30 ... Reinforcing bar welding circuit 40 ... Control section 100 ... Welding basket 101 ... Main bar 101A… PC steel bar 101B… Deformed bar 102… Auxiliary bar
Claims (2)
置されて引き出される主筋群と、それに螺旋状に巻回さ
れる補助筋とのクロス点を溶接する装置であって、同期
速度で回転する溶接用の回転電極とテンパー用の回転電
極およびそれらに対応する固定電極を有し、溶接用の回
転電極と固定電極間に供給される溶接電流をＰＣ鋼棒溶
接と鉄筋溶接のそれぞれについて独立して制御する制御
手段を設けたことを特徴とする回転２極式鉄筋カゴの溶
接装置。1. A device for welding a cross point between a main bar group, in which a plurality of PC steel bars and reinforcing bars are circumferentially arranged at a predetermined interval, and is pulled out, and an auxiliary bar, which is spirally wound around the main bar group. It has a rotating electrode for welding that rotates at a speed, a rotating electrode for tempering, and a fixed electrode corresponding to them, and the welding current supplied between the rotating electrode for welding and the fixed electrode is used for welding PC steel rods and reinforcing bars. A welding device for a rotating bipolar rebar basket, characterized in that control means for independently controlling each is provided.
接装置であって、 外周に所定間隔で複数のカム突起を設けた回転導電体
と、該回転導電体の周囲に配置されるとともに、付勢手
段により前記回転導電体の外周方向に付勢され、且つ前
記カム突起間では前記回転導電体とは接触しない複数の
固定導電体とを有する固定電極と、 前記回転導電体のカム突起と同期して回転し、間欠的に
前記固定導電体との間に前記主筋及び補助筋を挟みこん
で電流が導通される溶接用回転電極及びＰＣ鋼棒テンパ
ー用回転電極と、 を有することを特徴とする回転２極式鉄筋カゴの溶接装
置。2. A rotating bipolar rebar basket welding apparatus according to claim 1, wherein the rotating conductor is provided with a plurality of cam projections at predetermined intervals on the outer periphery, and is arranged around the rotating conductor. And a fixed electrode having a plurality of fixed conductors that are biased in the outer circumferential direction of the rotating conductor by a biasing means and that do not contact the rotating conductor between the cam projections; A rotating electrode for welding and a rotating electrode for PC steel bar temper, which rotate in synchronization with the cam projection and intermittently sandwich the main and auxiliary bars between the fixed conductor and conduct current. A rotating two-pole type rebar cage welding device characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8242896A JPH09271959A (en) | 1996-04-04 | 1996-04-04 | Welding equipment for rotary two electrode reinforcing bar cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8242896A JPH09271959A (en) | 1996-04-04 | 1996-04-04 | Welding equipment for rotary two electrode reinforcing bar cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09271959A true JPH09271959A (en) | 1997-10-21 |
Family
ID=13774317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8242896A Withdrawn JPH09271959A (en) | 1996-04-04 | 1996-04-04 | Welding equipment for rotary two electrode reinforcing bar cage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09271959A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921903A (en) * | 2016-07-14 | 2016-09-07 | 周兆平 | Welding device for building foundation pile reinforcement cage and operation method thereof |
| CN110000460A (en) * | 2019-05-10 | 2019-07-12 | 建华建材（中国）有限公司 | A kind of intermediate frequency power supply Energy Saving Control seam-welding equipment and its welding method |
| CN112081307A (en) * | 2020-09-29 | 2020-12-15 | 中冶建工集团重庆钢结构有限公司 | Method for forming stiff column by externally planting reinforcement cages in pile holes of cross-shaped steel column |
| CN114698221A (en) * | 2022-03-03 | 2022-07-01 | 大连海事大学 | Sliding arc discharge device adopting rotating electrode |
| CN114888416A (en) * | 2022-05-27 | 2022-08-12 | 深圳市海浦蒙特科技有限公司 | Power supply control method and reinforcement cage seam welder |
-
1996
- 1996-04-04 JP JP8242896A patent/JPH09271959A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921903A (en) * | 2016-07-14 | 2016-09-07 | 周兆平 | Welding device for building foundation pile reinforcement cage and operation method thereof |
| CN110000460A (en) * | 2019-05-10 | 2019-07-12 | 建华建材（中国）有限公司 | A kind of intermediate frequency power supply Energy Saving Control seam-welding equipment and its welding method |
| CN110000460B (en) * | 2019-05-10 | 2024-01-26 | 建华建材（中国）有限公司 | Medium-frequency power supply energy-saving control roll welding equipment and welding method thereof |
| CN112081307A (en) * | 2020-09-29 | 2020-12-15 | 中冶建工集团重庆钢结构有限公司 | Method for forming stiff column by externally planting reinforcement cages in pile holes of cross-shaped steel column |
| CN112081307B (en) * | 2020-09-29 | 2021-09-07 | 中冶建工集团重庆钢结构有限公司 | Method for forming stiff column by externally planting reinforcement cages in pile holes of cross-shaped steel column |
| CN114698221A (en) * | 2022-03-03 | 2022-07-01 | 大连海事大学 | Sliding arc discharge device adopting rotating electrode |
| CN114888416A (en) * | 2022-05-27 | 2022-08-12 | 深圳市海浦蒙特科技有限公司 | Power supply control method and reinforcement cage seam welder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20030701 |