JPH0441597U - - Google Patents
Info
- Publication number
- JPH0441597U JPH0441597U JP8056490U JP8056490U JPH0441597U JP H0441597 U JPH0441597 U JP H0441597U JP 8056490 U JP8056490 U JP 8056490U JP 8056490 U JP8056490 U JP 8056490U JP H0441597 U JPH0441597 U JP H0441597U
- Authority
- JP
- Japan
- Prior art keywords
- erector
- ring gear
- angle
- outputs
- shield frame
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の実施例の要部を示す断面図、
第２図及び第３図は本考案の過旋回防止装置が採
用されるエレクタの一例を示す縦断面図及び横断
面図、第４図はコントローラを示すブロツク図で
ある。
図中、１はシールドフレーム、２はエレクタ、
４はリングギヤ、１５はギヤ機構、１６はセンサ
、２５はコントローラである。
FIG. 1 is a sectional view showing the main parts of an embodiment of the present invention;
FIGS. 2 and 3 are a vertical sectional view and a cross sectional view showing an example of an erector to which the over-turning prevention device of the present invention is employed, and FIG. 4 is a block diagram showing a controller. In the figure, 1 is a shield frame, 2 is an erector,
4 is a ring gear, 15 is a gear mechanism, 16 is a sensor, and 25 is a controller.
Claims (1)
に設けられたエレクタの過旋回を防止する装置に
おいて、上記エレクタに設けられたリングギヤと
、上記シールドフレーム内に設けられ、上記リン
グギヤに噛合してこれと同じ旋回角度を出力する
ギヤ機構を介してリングギヤの旋回角度を検出す
るセンサと、該センサによる検出角度が設定角度
に至つたときに上記エレクタの旋回を停止させる
信号を出力するコントローラとを備えたことを特
徴とするエレクタ過旋回防止装置。 A device for preventing over-turning of an erector provided in a shield frame so as to be able to freely turn in the circumferential direction thereof, the ring gear provided in the erector and the ring gear provided in the shield frame meshing with and interlocking with the ring gear. A sensor that detects the rotation angle of the ring gear via a gear mechanism that outputs the same rotation angle, and a controller that outputs a signal to stop the rotation of the erector when the detected angle by the sensor reaches a set angle. An erector overturn prevention device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056490U JPH086158Y2 (en) | 1990-07-31 | 1990-07-31 | Electa overturn prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056490U JPH086158Y2 (en) | 1990-07-31 | 1990-07-31 | Electa overturn prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0441597U true JPH0441597U (en) | 1992-04-08 |
| JPH086158Y2 JPH086158Y2 (en) | 1996-02-21 |
Family
ID=31625741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8056490U Expired - Lifetime JPH086158Y2 (en) | 1990-07-31 | 1990-07-31 | Electa overturn prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH086158Y2 (en) |
-
1990
- 1990-07-31 JP JP8056490U patent/JPH086158Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH086158Y2 (en) | 1996-02-21 |