JPH012734A - Manufacturing method and device for joint metal fittings for deformed steel bars - Google Patents
Manufacturing method and device for joint metal fittings for deformed steel barsInfo
- Publication number
- JPH012734A JPH012734A JP62-155936A JP15593687A JPH012734A JP H012734 A JPH012734 A JP H012734A JP 15593687 A JP15593687 A JP 15593687A JP H012734 A JPH012734 A JP H012734A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- manufacturing
- steel bars
- deformed steel
- tubular
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 title claims description 5
- 239000010959 steel Substances 0.000 title claims description 5
- 239000002184 metal Substances 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000011440 grout Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、大径の異型棒鋼を接続するために用いられ
る継手金物の製造方法およびその装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method and apparatus for manufacturing a joint metal fitting used for connecting large diameter deformed steel bars.
この種の継手金物の内面には、異型棒鋼との間隙に充填
されるグラウト材の付着力を増加させるために複数の突
部が形成されている。そして従来の製造方法におけると
の突部の形成方法としては、継手金物全体を鋳造して形
成する方法と、管体の内面に旋盤等での切削加工で形成
する方法が知られている。A plurality of protrusions are formed on the inner surface of this type of joint hardware in order to increase the adhesion of the grout material filled into the gap with the deformed steel bar. As methods for forming the protrusions in conventional manufacturing methods, there are two known methods: one is to cast the entire joint hardware, and the other is to form the protrusions on the inner surface of the tube body by cutting with a lathe or the like.
しかしこの従来の形成方法では、作業が複雑で面倒であ
り熟練工が必要になる等から継手金物が高価になる問題
点があった。However, this conventional forming method has the problem that the work is complicated and troublesome and requires skilled workers, making the joint hardware expensive.
この発明は前述した事情に鑑みて創案されたもので、そ
の目的は内面に形成される・突部を容易かつ確実に形成
することのでさる一％型［空鋼用継手今物の製造方法お
よびその装置を提供することにある。This invention was devised in view of the above-mentioned circumstances, and its purpose is to easily and reliably form the protrusions formed on the inner surface. Our goal is to provide that device.
この発明によれば内面周方向へ延びる突条部が内面長手
方向へ複数形成されてなる管状型材の内部に継手金物用
の管体を挿入すると共に、前記管体内部に超高圧水を注
入することで、前記管体を前記型材の内面に押圧させて
管体内面における充填グラウト材付着力増大用の突部を
形成することとする。According to this invention, a pipe body for fitting hardware is inserted into the inside of a tubular shape material having a plurality of protrusions extending in the inner circumferential direction formed in the inner longitudinal direction, and ultra-high pressure water is injected into the inside of the pipe body. By doing so, the tubular body is pressed against the inner surface of the mold material to form a protrusion for increasing the adhesion force of the filling grout material on the inner surface of the tubular body.
そして継手金物用管体の両端部を密閉して内部に超高圧
水を注入するだけの作業で、内面に突部を熟練度も必要
なく容易に形成して、継手金物用管体を安価に提供でき
るようＫしたものである。By simply sealing both ends of the pipe for joint hardware and injecting ultra-high pressure water inside, a protrusion can be easily formed on the inner surface without requiring any skill, making the pipe for joint hardware inexpensive. It has been modified so that it can be provided.
以下この発明を図示する実施例によって説明する０
まずこの発明製造方法を行うべく創案された本発明の製
造装置につ°いて述べる。（第１図〜第３図参照）
贋造装置１は、内面周方向へ延びる突条部２が内面長手
方向へ複数形成されており、型ホルダ３内に収納されて
いる管状の型材４と、この型材４の内部て挿入した継手
金物用管体５の内部に挿入されており、管体５の両端部
を密閉する密閉部６および両帝閉部６，６間に超加圧水
を注力−数の注入孔７が設けられている注入用棒材８と
を備えてなっている。The present invention will be described below with reference to illustrative embodiments. First, a manufacturing apparatus of the present invention devised to carry out the manufacturing method of the present invention will be described. (See FIGS. 1 to 3) The counterfeiting device 1 includes a tubular mold material 4 housed in a mold holder 3, in which a plurality of protrusions 2 extending in the inner circumferential direction are formed in the inner longitudinal direction, and Super pressurized water is inserted into the inside of the pipe body 5 for joint hardware inserted into the shape material 4, and super pressurized water is poured between the sealing part 6 that seals both ends of the pipe body 5 and the two closed parts 6, 6. The injection rod 8 is provided with an injection hole 7.
注入用棒材８は、両端部にネジ部９，９が形成されてい
ると共に、複数形成された注入孔７へ超加圧水を供給す
る供給孔１０が内面長手方向匡延設されている心棒１１
と、この心棒１１の外周面の両帝閉部６，６間に設けら
れている長尺の第１圧縮用スペーナ−１２と、心棒１１
の両端部のネジ部９に螺合しているナツト１３と密閉部
６との間に設けられている短尺の第２圧縮用スペーナ−
１４およびセンターホールジヤツキ１５とからなってい
る。The injection rod 8 has threaded portions 9, 9 formed at both ends thereof, and a mandrel 11 in which a supply hole 10 for supplying super pressurized water to a plurality of injection holes 7 extends in the longitudinal direction on the inner surface.
, a long first compression spanner 12 provided between the two uterine parts 6, 6 on the outer peripheral surface of the mandrel 11, and the mandrel 11.
A short second compression spacer is provided between the sealing part 6 and the nut 13 screwed into the threaded part 9 at both ends of the spacer.
14 and a center hole jack 15.
そして密閉部６は、ウレタンで構成されており、第１圧
縮用スベーナ−１２とセンターホールジヤツキ１５とで
、または第２圧縮用スペーナ−１４と第１圧縮用スベー
ナ−１２とで挾持されて圧縮可能になっている。The sealing part 6 is made of urethane, and is held between the first compression spanner 12 and the center hole jack 15, or between the second compression spanner 14 and the first compression spanner 12. It is compressible.
また第１圧縮用スペーナ−１２では、心棒１１に形成さ
れている注入孔７と連通ずる注入孔７が形成されている
。Further, in the first compression spanner 12, an injection hole 7 is formed which communicates with the injection hole 7 formed in the mandrel 11.
次に以上のような構成からなる製造装置１を使用して、
本発明方法による継手金物１６の製造について述べる。Next, using the manufacturing apparatus 1 having the above configuration,
The manufacture of the joint hardware 16 by the method of the present invention will be described.
まず継手金物１６用の管体５を型材４の内部に挿入する
。First, the pipe body 5 for the joint hardware 16 is inserted into the mold material 4 .
次に両帝閉部６，６のウレタンを圧縮してウレタンを拡
径させて、管体５の両端部を密閉する。Next, the urethane in both uterine sections 6, 6 is compressed to expand the diameter of the urethane, and both ends of the tube body 5 are sealed.
そしてセンターホールジヤツキ１４側から供給孔１０へ
超加圧水を注入する。Then, super pressurized water is injected into the supply hole 10 from the center hole jack 14 side.
次に供給孔ｌＯに注入された超加圧水は、各注入孔７か
ら管体５内の両帝閉部６．６間に注入させる。そして管
体５内の水圧が高くなったら、管体５が押圧されて型材
４の形状に沿って変形する。Next, the super pressurized water injected into the supply hole IO is injected from each injection hole 7 between the two uterine sections 6.6 in the tube body 5. Then, when the water pressure inside the tube 5 becomes high, the tube 5 is pressed and deformed along the shape of the mold material 4.
このことにより管体５は、その内面に型材４の突条部２
に対応する複数の充填材付着力増大用突部１７が形成さ
れて、継手金物１６となる。（第４図参照）
なお注入用棒材８の供給孔ｌＯへの超加圧水の注入は、
第１図で示したようにブースター１８を使用して行う。As a result, the tubular body 5 has the protrusion 2 of the profile 4 on its inner surface.
A plurality of protrusions 17 for increasing filler adhesion force corresponding to the above are formed to form a joint hardware 16. (See Figure 4) Injecting super pressurized water into the supply hole IO of the injection rod 8 is as follows:
This is done using a booster 18 as shown in FIG.
そしてこのブースター１８は、弁を介して水供給管１９
が接続されている水加圧部２０と、この加圧部２０で水
を加圧するピストン２１を移動させるシリンダ一部２２
とからなっている。なおここで符号２３は油送り管、２
４は油戻り管である。This booster 18 is connected to a water supply pipe 19 via a valve.
A water pressurizing part 20 to which is connected, and a cylinder part 22 that moves a piston 21 that pressurizes water with this pressurizing part 20.
It consists of In addition, the code|symbol 23 here is an oil feed pipe, 2
4 is an oil return pipe.
■ 内面に複数の突条部が形成されている型材内に継手
金物用管体を挿入して両端部を密閉すると共に、両密閉
部間の管体内部に超加圧水を注入する製造方法により、
充填材付着力増大用の突部を容易かつ確実に形成するこ
とができる。■ A manufacturing method that involves inserting a pipe for fitting hardware into a molded material with multiple protrusions formed on the inner surface, sealing both ends, and injecting super pressurized water into the pipe between the two sealed parts.
A protrusion for increasing filler adhesion can be easily and reliably formed.
即ち超加圧水を注入することで管体の周囲を均一に押圧
して、型材に沿った変形をさせることができるので、管
体内周面周方向へ延びる突部が確実に形成できる。また
超加圧水を注入する作業は、特に熟練度を要することも
ないので容易に行える。That is, by injecting super pressurized water, the circumference of the tube can be uniformly pressed and deformed along the shape material, so that a protrusion extending in the circumferential direction of the inner circumferential surface of the tube can be reliably formed. Further, the work of injecting super-pressurized water can be easily performed since it does not require any particular level of skill.
そしてこれらのことから管体内面に突部を形成しての継
手金物を安価に提供することができるＯ
■ 型材と、継手金物用の管体両端部を密閉する両密閉
部および両密閉部に超加圧水を注入する複数の注入孔が
設けられている注入用棒材とからなる製造装置により、
型材内にセットした継手金物用管体内へ注入用棒材を挿
入するだけで管体両端部の密閉と側密閉部間への超加圧
水の注入とを容易に行える。For these reasons, it is possible to provide a joint hardware with a protrusion formed on the inner surface of the pipe body at a low cost. A manufacturing device consisting of an injection rod with multiple injection holes for injecting super-pressurized water,
By simply inserting the injection rod into the pipe for joint hardware set in the mold, it is easy to seal both ends of the pipe and inject superpressurized water between the side sealing parts.
そしてこのことから特に熟練度を要することもなく、管
体内面に突部を形成しての継手金物を安価に提供するこ
とができる。From this, it is possible to provide a joint metal fitting with a protrusion formed on the inner surface of the tube at a low cost without requiring any particular level of skill.
第１図は本発明方法を行うべく創案された本発明の製造
装置を示す断面図、第２図は第１図のＡ−Ａ線断面図、
第３図は第１図のＢ−Ｂ線断面図第４図は継手金物を示
す断面図である。
１・・製造装置、２・・突条部、３・・型ホルダ、４・
・型材、５・・継手金物用管体、６・・密閉部、７・・
注入孔、８・・注入用棒材９・・ネジ部、１０・・供給
孔、１１・・心棒、１２・・第１圧縮用スペーナー、１
３・・ナツト１４・・第２圧縮用スペーナー、
１５・・センターホールジヤツキ、
１６・・継手金物、１７・・突部、１８・・ブースター
、１９・・水供給管、２０・・水加圧部、２１・・ピス
トン、２２・・シリ／グ一部、２３・・油送り管、２４
・・油戻り管。FIG. 1 is a cross-sectional view showing a manufacturing apparatus of the present invention devised to carry out the method of the present invention, FIG. 2 is a cross-sectional view taken along the line A-A in FIG.
FIG. 3 is a sectional view taken along the line B--B in FIG. 1, and FIG. 4 is a sectional view showing the joint hardware. 1. Manufacturing equipment, 2. Protrusion, 3. Mold holder, 4.
・Shape material, 5. Pipe body for joint hardware, 6. Sealing part, 7.
Injection hole, 8... Injection rod 9... Threaded part, 10... Supply hole, 11... Mandrel, 12... First compression spanner, 1
3. Nut 14. Second compression spacer, 15. Center hole jack, 16. Joint hardware, 17. Protrusion, 18. Booster, 19. Water supply pipe, 20. Water addition. Pressure part, 21... Piston, 22... Part of seal/g, 23... Oil feed pipe, 24
...Oil return pipe.
Claims (2)
形成されてなる管状型材の内部に継手金物用の管体を挿
入すると共に、前記管体の両端部を密閉してなる両密閉
部間の前記管体内部に超加圧水を注入することで、 前記管体を前記型材の内面に押圧させて管体内面におけ
る充填材付着力増大用の突部を形成してなることを特徴
とする異形棒鋼用継手金物の製造方法。(1) A double-sealed seal formed by inserting a tube for fitting hardware into the interior of a tubular shape material in which a plurality of protrusions extending in the inner circumferential direction are formed in the inner longitudinal direction, and sealing both ends of the tube. By injecting super pressurized water into the inside of the tube between the sections, the tube is pressed against the inner surface of the mold material to form a protrusion for increasing the adhesive force of the filler on the inner surface of the tube. A method for manufacturing joint hardware for deformed steel bars.
形成されてなる管状の型材と、この型材の内部に挿入し
た継手金物用管体の内部に挿入可能であり、前記管体の
両端部を密閉する密閉部および前記両密閉部間に超加圧
水を注入する複数の注入孔が設けられている注入用棒材
とを備えてなることを特徴とする異形棒鋼用継手金物の
製造装置。(2) A tubular shaped material in which a plurality of protrusions extending in the inner circumferential direction are formed in the inner longitudinal direction, and the tubular material can be inserted into the interior of the fitting hardware tube inserted into the tubular material; An apparatus for manufacturing joint metal fittings for deformed steel bars, comprising: a sealing part that seals both ends; and an injection bar provided with a plurality of injection holes for injecting super pressurized water between the two sealing parts. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-155936A JPH012734A (en) | 1987-06-23 | Manufacturing method and device for joint metal fittings for deformed steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-155936A JPH012734A (en) | 1987-06-23 | Manufacturing method and device for joint metal fittings for deformed steel bars |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPS642734A JPS642734A (en) | 1989-01-06 |
| JPH012734A true JPH012734A (en) | 1989-01-06 |
| JPH0248332B2 JPH0248332B2 (en) | 1990-10-24 |
Family
ID=
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