JPH0457331U - - Google Patents
Info
- Publication number
- JPH0457331U JPH0457331U JP10021790U JP10021790U JPH0457331U JP H0457331 U JPH0457331 U JP H0457331U JP 10021790 U JP10021790 U JP 10021790U JP 10021790 U JP10021790 U JP 10021790U JP H0457331 U JPH0457331 U JP H0457331U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- nut
- tightened
- outer cylinder
- bit holder
- 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.)
- Pending
Links
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
第１図〜第３図はこの考案の一実施例を示すも
ので、第１図はナツトランナの一部断面した側面
図、第２図は被締付けナツトが締付け状態を示す
縦断断面図、第３図はボルトが位置ずれしている
場合の締付け状態を示す側面図、第４図は従来の
ナツトランナの一部断面した側面図、第５図は同
じく被締付けナツトの締付け状態を示す側面図で
ある。
２……ボルト、３……ナツト、６……ビツトホ
ルダ、８……ＡＣサーボモータ（回転駆動機構）
、１５……ボツクスビツト、２１……ガイドピン
、２２……外筒、２４……隙間。
1 to 3 show an embodiment of this invention, in which FIG. 1 is a partially sectional side view of the nut runner, FIG. The figure is a side view showing the tightened state when the bolt is out of position, FIG. 4 is a partially sectional side view of a conventional nut runner, and FIG. 5 is a side view showing the tightened state of the nut to be tightened. . 2... Bolt, 3... Nut, 6... Bit holder, 8... AC servo motor (rotary drive mechanism)
, 15...Box bit, 21...Guide pin, 22...Outer cylinder, 24...Gap.
Claims (1)
されたビツトホルダと、このビツトホルダの先端
部に設けられ被締付けナツトと係合するボツクス
ビツトと、このボツクスビツトの内側に前進方向
に付勢された状態に設けられ前記被締付けナツト
のねじ穴に挿入して支持する突没自在なガイドピ
ンと、前記ビツトホルダを介して前記ボツクスビ
ツトを回転して被締付けナツトをボルトに対して
締付ける回転駆動機構とからなるナツトランナに
おいて、前記外筒の内周面と前記ビツトホルダの
外周面との間に隙間を設け、被締付けナツトの締
付けストローク間においては前記ビツトホルダを
外筒内で径方向に揺動自在に支持したことを特徴
とするナツトランナ。 An outer cylinder, a bit holder inserted into the outer cylinder so as to be freely advanced and retractable in the axial direction, a box bit provided at the tip of the bit holder and engaged with a nut to be tightened, and a box bit that is biased in the forward direction inside the box bit. a guide pin that is provided in a state in which the bolt is inserted into a threaded hole of the nut to be tightened and is supported, and a rotational drive mechanism that rotates the box bit via the bit holder to tighten the nut to be tightened against the bolt. In the nut runner, a gap is provided between the inner circumferential surface of the outer cylinder and the outer circumferential surface of the bit holder, and the bit holder is supported so as to be swingable in the radial direction within the outer cylinder during the tightening stroke of the nut to be tightened. Natsutranna is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10021790U JPH0457331U (en) | 1990-09-27 | 1990-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10021790U JPH0457331U (en) | 1990-09-27 | 1990-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457331U true JPH0457331U (en) | 1992-05-18 |
Family
ID=31842705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10021790U Pending JPH0457331U (en) | 1990-09-27 | 1990-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457331U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63179295A (en) * | 1987-01-20 | 1988-07-23 | 富士電機株式会社 | Remote control type bolt screwing device |
| JPS6338927B2 (en) * | 1980-02-08 | 1988-08-02 | Hitachi Ltd |
-
1990
- 1990-09-27 JP JP10021790U patent/JPH0457331U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6338927B2 (en) * | 1980-02-08 | 1988-08-02 | Hitachi Ltd | |
| JPS63179295A (en) * | 1987-01-20 | 1988-07-23 | 富士電機株式会社 | Remote control type bolt screwing device |
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