JPH0280U - - Google Patents
Info
- Publication number
- JPH0280U JPH0280U JP7432788U JP7432788U JPH0280U JP H0280 U JPH0280 U JP H0280U JP 7432788 U JP7432788 U JP 7432788U JP 7432788 U JP7432788 U JP 7432788U JP H0280 U JPH0280 U JP H0280U
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- piston
- cylinder
- nut
- axial force
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
第１図は本考案に係る軸力ボルト締結装置の一
実施例を示す全体構成図、第２図は第１図の要部
を拡大して示す作動状態の断面図、第３図は従来
例を示す構成図である。
２１……フランジ（被締結体）、２２……ボル
ト、２３……ナツト、２４……ベース、２７……
作動体、２８……シリンダ、２９……ピストン、
３０……油圧発生装置（圧力発生装置）、３４…
…環状溝（圧力逃し部）。
Fig. 1 is an overall configuration diagram showing one embodiment of the axial bolt fastening device according to the present invention, Fig. 2 is a cross-sectional view showing the main part of Fig. 1 in an enlarged state in operation, and Fig. 3 is a conventional example. FIG. 21...Flange (object to be fastened), 22...Bolt, 23...Nut, 24...Base, 27...
Working body, 28... cylinder, 29... piston,
30...Hydraulic pressure generator (pressure generator), 34...
...Annular groove (pressure relief part).
Claims (1)
ツト側端面に固定されるベースと、前記ボルトの
ナツト貫通先端部分に螺着され前記ベースにスラ
イド可能に支持される作動体と、これらベースと
作動体との間に形成されるシリンダおよびピスト
ンと、このシリンダに流体圧を供給し前記ピスト
ンを介して前記作動体を前記ボルトの先端側に引
張る軸力を与える圧力発生装置とを有する軸力ボ
ルト締結装置において、前記シリンダのピストン
摺動面上に圧力逃し部を設け、この圧力逃し部は
前記ボルトの規定伸び量に対応するピストン移動
地点で開口すべく設定したことを特徴とする軸力
ボルト締結装置。 A base fixed to the nut-side end surface of a body to be fastened with a bolt and a nut, an actuating body screwed onto the nut-piercing tip of the bolt and slidably supported by the base, and these bases and the actuating body. an axial force bolt fastening comprising: a cylinder and a piston formed between the cylinder and the piston; and a pressure generating device that supplies fluid pressure to the cylinder and applies an axial force to pull the actuating body toward the distal end side of the bolt through the piston. An axial force bolt fastening device characterized in that a pressure relief portion is provided on the piston sliding surface of the cylinder, and the pressure relief portion is set to open at a piston movement point corresponding to a prescribed elongation amount of the bolt. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7432788U JPH0280U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7432788U JPH0280U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280U true JPH0280U (en) | 1990-01-05 |
Family
ID=31299444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7432788U Pending JPH0280U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52141225U (en) * | 1976-04-20 | 1977-10-26 |
-
1988
- 1988-06-06 JP JP7432788U patent/JPH0280U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52141225U (en) * | 1976-04-20 | 1977-10-26 |