JPH0223088U - - Google Patents
Info
- Publication number
- JPH0223088U JPH0223088U JP9993888U JP9993888U JPH0223088U JP H0223088 U JPH0223088 U JP H0223088U JP 9993888 U JP9993888 U JP 9993888U JP 9993888 U JP9993888 U JP 9993888U JP H0223088 U JPH0223088 U JP H0223088U
- Authority
- JP
- Japan
- Prior art keywords
- tightening
- opening
- jack
- attached
- closing
- 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
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案の第１実施例を示す要部縦断面
図、第２図は第１図のＡ矢視拡大図、第３図は締
付装置の駆動油圧回路図、第４図は第２実施例を
示す要部縦断面図、第５図は第３実施例を示す第
１図の矢視相当部分の拡大図、第６図は従来例
を示す全体の側面図、第７図は締付装置の平面図
、第８図は従来例の駆動油圧回路図である。
１：ケーシングチユーブ、２：フレーム、３：
旋回装置、３ａ：昇降部材、３ｅ：旋回部材、４
：締付装置、４ｃ：開閉用締付ジヤツキ、５：押
込みジヤツキ、２０ａ，２０ｂ：油圧シリンダ、
２４：ローラ、２４ａ：凸状カム。
Fig. 1 is a vertical sectional view of the main part showing the first embodiment of the present invention, Fig. 2 is an enlarged view taken in the direction of arrow A in Fig. 1, Fig. 3 is a driving hydraulic circuit diagram of the tightening device, and Fig. 4 is FIG. 5 is an enlarged view of the portion corresponding to the arrow in FIG. 1 showing the third embodiment; FIG. 6 is an overall side view showing the conventional example; FIG. 7 is a plan view of the tightening device, and FIG. 8 is a drive hydraulic circuit diagram of a conventional example. 1: Casing tube, 2: Frame, 3:
Swivel device, 3a: Elevating member, 3e: Swivel member, 4
: Tightening device, 4c: Opening/closing tightening jack, 5: Pushing jack, 20a, 20b: Hydraulic cylinder,
24: roller, 24a: convex cam.
Claims (1)
れる昇降部材に旋回駆動される旋回部材を装着し
た旋回装置と、前記旋回部材に装着され開閉用締
付ジヤツキを備えたケーシングチユーブの締付装
置を有するボーリングマシンにおいて、前記昇降
部材に駆動用のローラあるいは凸状カムを設け、
前記旋回部材に前記ローラあるいは凸状カムで駆
動される油圧シリンダを装着して、該油圧シリン
ダを前記開閉用締付ジヤツキの駆動油圧回路に連
結して駆動源にしたことを特徴とするケーシング
チユーブ締付装置の開閉駆動装置。 It has a turning device in which a turning member is attached to a lifting member which is arranged on a frame and is moved up and down by a push-in jack, and a casing tube tightening device which is attached to the turning member and includes a tightening jack for opening and closing. In the boring machine, the elevating member is provided with a driving roller or a convex cam,
A casing tube characterized in that a hydraulic cylinder driven by the roller or convex cam is attached to the rotating member, and the hydraulic cylinder is connected to a driving hydraulic circuit of the opening/closing tightening jack to serve as a driving source. Opening/closing drive device for tightening device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993888U JPH0223088U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9993888U JPH0223088U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223088U true JPH0223088U (en) | 1990-02-15 |
Family
ID=31327558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9993888U Pending JPH0223088U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223088U (en) |
-
1988
- 1988-07-29 JP JP9993888U patent/JPH0223088U/ja active Pending