JPS6027195U - Roof type bit for rock excavation vehicle - Google Patents
Roof type bit for rock excavation vehicleInfo
- Publication number
- JPS6027195U JPS6027195U JP11800883U JP11800883U JPS6027195U JP S6027195 U JPS6027195 U JP S6027195U JP 11800883 U JP11800883 U JP 11800883U JP 11800883 U JP11800883 U JP 11800883U JP S6027195 U JPS6027195 U JP S6027195U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- roof
- type bit
- box
- type
- 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
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は岩掘削車両に装着されるドラムの正面図、第２
図は第１図の側面図、第３図はドラムに固着されたビッ
トボックスにコニカルビットが取付けられた状態を示す
斜視図、第４図はコニカルビットがビットボックスに嵌
入され抜止めピンが挿入された状態の部分断面側面図、
第５図は第４図の■−■線による断面平面図、第６図は
本考案によるルーフタイプビットの側面図、第７図は第
６図の正面図である。
１・・・ドラム、２・・・ビットボックス、３・・・コ
ニカルビット、４・・・ビットボックス、５・・・ルー
フタイプビット、７・・・抜止めピン、２１・・・ルー
フタイプビット、２２・・・ルーフ状頭部、２３・・・
円柱状軸部、２４・・・半円溝。Figure 1 is a front view of the drum installed on a rock excavation vehicle, Figure 2
The figure is a side view of Figure 1, Figure 3 is a perspective view showing the conical bit attached to the bit box fixed to the drum, and Figure 4 is the conical bit fitted into the bit box and the retaining pin inserted. A partial cross-sectional side view of the
5 is a cross-sectional plan view taken along the line ■--■ in FIG. 4, FIG. 6 is a side view of the roof type bit according to the present invention, and FIG. 7 is a front view of FIG. 6. 1... Drum, 2... Bit box, 3... Conical bit, 4... Bit box, 5... Roof type bit, 7... Retaining pin, 21... Roof type bit , 22... roof-shaped head, 23...
Cylindrical shaft portion, 24... semicircular groove.
Claims (1)
フタイプビット共用の多数のビットボックスに着脱可能
に取付けられるルーフ状頭部と円柱状軸部とから成るル
ーフタイプビットであって、前記ビットボックスはその
ビットボックスの内周面および前記ルーフタイプビット
の円筒状軸部の外周面に共に係合する抜止めピンが挿入
される抜止めピン孔を有するものにおいて、前記円柱状
軸部は前記ビットボックスの内部に着脱可能に挿入する
のに適合した寸法にされるとともに前記軸部の外周面上
の前記抜止めピンとの係合部位に直線状の半円溝が設け
られており、それによって前記ルーフタイプビットは前
記ビットボックスに回転不能に取付けられるようになっ
ていることを特徴とするルーフタイプビット。A roof-type bit consisting of a roof-shaped head and a cylindrical shaft part that is removably attached to a number of bit boxes that are commonly used for conical bits and roof-type bits fixed to the drum of a rock excavation vehicle, the bit box being The bit box has a retaining pin hole into which a retaining pin is inserted which engages with the inner circumferential surface of the bit box and the outer circumferential surface of the cylindrical shaft portion of the roof type bit, wherein the cylindrical shaft portion is connected to the bit box. A linear semicircular groove is provided at a portion of the outer circumferential surface of the shaft portion that engages with the retaining pin, whereby the roof A roof type bit, wherein the type bit is non-rotatably attached to the bit box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11800883U JPS6027195U (en) | 1983-07-30 | 1983-07-30 | Roof type bit for rock excavation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11800883U JPS6027195U (en) | 1983-07-30 | 1983-07-30 | Roof type bit for rock excavation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6027195U true JPS6027195U (en) | 1985-02-23 |
Family
ID=30271421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11800883U Pending JPS6027195U (en) | 1983-07-30 | 1983-07-30 | Roof type bit for rock excavation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6027195U (en) |
-
1983
- 1983-07-30 JP JP11800883U patent/JPS6027195U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6027195U (en) | Roof type bit for rock excavation vehicle | |
| JPS6027194U (en) | Conical bit for rock drilling vehicle | |
| JPS6094412U (en) | gun drill | |
| JPS5825399U (en) | Guide sleeve for anchor bolt | |
| JPS6087940U (en) | De-cylinder for flat roof waterproofing method | |
| JPS6123540U (en) | Waterproof structure in drum brakes | |
| JPS60147522U (en) | Walking management machine | |
| JPS5894786U (en) | Rod for rock drill | |
| JPS6027166U (en) | rock excavation drum | |
| JPS59143607U (en) | chuck for drill | |
| JPS5954401U (en) | Garbage bin with vent | |
| JPS6014145U (en) | Cylindrical body for manholes equipped with a hole for filling sealant and a circumferential groove | |
| JPS5825305U (en) | Road cutter device for asphalt road surface repair equipment | |
| JPS58185684U (en) | bit | |
| JPS58154008U (en) | taper drill | |
| JPS58103289U (en) | Cutter arm in cutter head of excavator | |
| JPS5958221U (en) | brake disc | |
| JPS608704U (en) | cutting bit | |
| JPS58106169U (en) | Tool attachment/detachment device for hammer drills, etc. | |
| JPS6069234U (en) | Dispersing machine | |
| JPS5969814U (en) | Drill with carbide tip | |
| JPS6085661U (en) | split piston | |
| JPS586900U (en) | lock bolt | |
| JPS60181435U (en) | steel pipe pile | |
| JPS6114828U (en) | Underground wiring box |