JPH0332693U - - Google Patents
Info
- Publication number
- JPH0332693U JPH0332693U JP9307389U JP9307389U JPH0332693U JP H0332693 U JPH0332693 U JP H0332693U JP 9307389 U JP9307389 U JP 9307389U JP 9307389 U JP9307389 U JP 9307389U JP H0332693 U JPH0332693 U JP H0332693U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- main body
- bolt
- view
- extraction tool
- 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
- 238000000605 extraction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は正面図、第２図は側面図、第３図は平
面図、第４図はビツト引抜に際し、本考案治具を
ビツトを固着したビツトボツクスに装着した状態
の正面図、第５図は同側面図、第６図はビツト引
抜動作時の正面図、第７図は同側面図、第８図乃
至第１０図は公知のビツト引抜説明図で、第８図
はビツト周りの土砂取除き作業を示す正面図、第
９図はビツトクロスピン引抜時の正面図、第１０
図は同側面図である。
１……本体、Ｂ……ビツトボツクス、２……ビ
ツト引抜具、Ｐ……ビツト、３……ボルト、Ｐ１
……ビツトクロスピン、１１，１２……脚片、Ｐ
２……エキストラクシヨンピン、１３……頂片、
２４……雌ねじ、２１，２２……脚片、２５，２
６……引掛溝、２３……頂片。
Fig. 1 is a front view, Fig. 2 is a side view, Fig. 3 is a plan view, Fig. 4 is a front view of the jig of the present invention attached to a bit box to which a bit is fixed when pulling out a bit, and Fig. 5 is a front view. is the same side view, FIG. 6 is a front view during the bit extraction operation, FIG. 7 is the same side view, FIGS. 8 to 10 are explanatory diagrams of known bit extraction, and FIG. Figure 9 is a front view showing the removal work, Figure 9 is a front view when pulling out the bit cross pin, Figure 10 is a front view showing the removal work.
The figure is the same side view. 1...Body, B...Bit box, 2...Bit extractor, P...Bit, 3...Bolt, P1
...bit cross pin, 11,12...leg piece, P
2...Extraction pin, 13...Top piece,
24... Female thread, 21, 22... Leg piece, 25, 2
6...Hatch groove, 23...Top piece.
Claims (1)
しうるコ字形状の本体内に、ビツトを跨いで、か
つ引掛溝にビツトの突出ピンを係止可能とした引
抜具を挿通し、本体に挿通したボルトを引抜具に
螺合し、ボルトの回動により引抜具を本体内にて
移動するようになしたブームヘツダーにおけるビ
ツト交換治具。 A puller which is capable of straddling the bit and locking the protruding pin of the bit in the hook groove is inserted into the U-shaped main body in which the tips of the opposing legs can touch the top surface of the bit box, and is inserted into the main body. A bit exchange jig for a boom header in which a bolt is screwed into an extraction tool, and the extraction tool is moved within the main body by the rotation of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9307389U JPH082233Y2 (en) | 1989-08-08 | 1989-08-08 | Bit replacement jig for boom header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9307389U JPH082233Y2 (en) | 1989-08-08 | 1989-08-08 | Bit replacement jig for boom header |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0332693U true JPH0332693U (en) | 1991-03-29 |
| JPH082233Y2 JPH082233Y2 (en) | 1996-01-24 |
Family
ID=31642470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9307389U Expired - Lifetime JPH082233Y2 (en) | 1989-08-08 | 1989-08-08 | Bit replacement jig for boom header |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082233Y2 (en) |
-
1989
- 1989-08-08 JP JP9307389U patent/JPH082233Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082233Y2 (en) | 1996-01-24 |
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