JPH0228888U - - Google Patents
Info
- Publication number
- JPH0228888U JPH0228888U JP10654988U JP10654988U JPH0228888U JP H0228888 U JPH0228888 U JP H0228888U JP 10654988 U JP10654988 U JP 10654988U JP 10654988 U JP10654988 U JP 10654988U JP H0228888 U JPH0228888 U JP H0228888U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary jib
- boom
- fixing
- attached
- tip
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図および第２図はこの考案の一実施例を示
す側面図で、第１図はアースドリル機の作業時の
状態、第２図はアースドリル機の分解に際して補
助ジブを退避位置に固定した状態を表わす。第３
図はアースドリル機の一例を示す側面図、第４図
は従来のアースドリル機の補助ジブ付ブームを示
す側面図、第５図は第４図における補助ジブを取
りはずした状態のブームを示す側面図である。
３…ブーム、５…シーブ、６…補助ジブ、７…
シーブ、８…支持ピン、１０…巻上ロープ、１１
…スイベルジヨイント、１７…固定用ブラケツト
、１８…固定用ピン穴、１９…固定用ピン穴、２
０…ピン。
Figures 1 and 2 are side views showing an embodiment of this invention. Figure 1 shows the state of the earth drill machine during operation, and Figure 2 shows the auxiliary jib fixed in the retracted position when disassembling the earth drill machine. represents the state of Third
The figure is a side view showing an example of an earth drilling machine, Figure 4 is a side view showing a boom with an auxiliary jib of a conventional earth drill machine, and Figure 5 is a side view showing the boom with the auxiliary jib in Figure 4 removed. It is a diagram. 3...Boom, 5...Sheave, 6...Auxiliary jib, 7...
Sheave, 8... Support pin, 10... Hoisting rope, 11
...Swivel joint, 17...Fixing bracket, 18...Fixing pin hole, 19...Fixing pin hole, 2
0...Pin.
Claims (1)
ブを取付けた補助ジブ付ブームにおいて、補助ジ
ブを支持ピンを支点として揺動できるようにし、
ブームの先端に固定用穴を設けた固定用ブラケツ
トを取付け、補助ジブの中間部には補助ジブを作
業時の取付位置から退避位置に揺動させた状態に
おいて前記固定用ブラケツトの固定用穴に合致さ
せる固定用穴を設け、両固定用穴に棒状止め具を
挿入することにより補助ジブを退避位置に固定す
ることができるように構成したことを特徴とする
補助ジブ付ブーム。 In a boom with an auxiliary jib that has an auxiliary jib attached near the tip of the boom with a support pin, the auxiliary jib can be swung around the support pin as a fulcrum.
A fixing bracket with a fixing hole is attached to the tip of the boom, and a fixing bracket with a fixing hole is attached to the middle part of the auxiliary jib. A boom with an auxiliary jib, characterized in that the auxiliary jib is configured to be fixed at a retracted position by providing matching fixing holes and inserting rod-shaped fasteners into both fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10654988U JPH0228888U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10654988U JPH0228888U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228888U true JPH0228888U (en) | 1990-02-23 |
Family
ID=31340160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10654988U Pending JPH0228888U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228888U (en) |
-
1988
- 1988-08-12 JP JP10654988U patent/JPH0228888U/ja active Pending