JPS6386190U - - Google Patents
Info
- Publication number
- JPS6386190U JPS6386190U JP17982486U JP17982486U JPS6386190U JP S6386190 U JPS6386190 U JP S6386190U JP 17982486 U JP17982486 U JP 17982486U JP 17982486 U JP17982486 U JP 17982486U JP S6386190 U JPS6386190 U JP S6386190U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- pressure fluid
- hammer
- flexible material
- pneumatic
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000009527 percussion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案に係わる空圧式打撃式掘進機の
一実施例を示す縦断側面図、第２図は第１図の矢
視―線に沿う縦断背面図、第３図は従来の空
圧打撃式掘進機を示す縦断側面図である。
１……押付板、４……圧力流体供給制御装置、
１０……ケーシング。
Fig. 1 is a vertical side view showing an embodiment of the pneumatic percussion excavator according to the present invention, Fig. 2 is a longitudinal cross-sectional rear view taken along the arrow line in Fig. 1, and Fig. 3 is a conventional pneumatic impact excavator. FIG. 2 is a vertical side view showing a percussion type excavator. 1... Pressing plate, 4... Pressure fluid supply control device,
10...Casing.
Claims (1)
りハンマーをケーシング内に往復動させて、同ケ
ーシングの前端部に設けたチジエルを打撃するこ
とにより前進を、同ケーシングの後部に設けた更
新打撃ブロツクを打撃することにより後進を、そ
れぞれ行う空圧打撃式掘進機において、前記ケー
シングの外周面の円周方向所定間隔位置に設けら
れ且つ外側方への開口部が可撓性材により閉じら
れた複数個の圧力流体溜と、同各圧力流体溜に圧
力流体を供給して上記可撓性材の外方への撓み量
を制御する圧力流体供給制御装置とを具えている
ことを特徴とした空圧打撃式掘進機。 The hammer is reciprocated inside the casing using high-pressure air for excavation supplied from the external air supply pipe, and the hammer is moved forward by striking the chisel installed at the front end of the casing, and the renewal striking block installed at the rear of the casing. In a pneumatic impact type excavator that moves backward by impact, a plurality of pneumatic impact excavators are provided at predetermined intervals in the circumferential direction on the outer peripheral surface of the casing, and the openings toward the outside are closed by a flexible material. A pneumatic system comprising: a pressure fluid reservoir; and a pressure fluid supply control device that supplies pressure fluid to each pressure fluid reservoir to control the amount of outward deflection of the flexible material. Percussion excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17982486U JPS6386190U (en) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17982486U JPS6386190U (en) | 1986-11-25 | 1986-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6386190U true JPS6386190U (en) | 1988-06-06 |
Family
ID=31123228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17982486U Pending JPS6386190U (en) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6386190U (en) |
-
1986
- 1986-11-25 JP JP17982486U patent/JPS6386190U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1568327A (en) | Percussive devices for making holes in earth and to methods of controlling such devices | |
| JPS6386190U (en) | ||
| JPS6386189U (en) | ||
| GB2187224A (en) | Soil displacement tool | |
| EP0889195A3 (en) | Downhole hammer | |
| EP0584131B1 (en) | Soil displacement hammer with movable head | |
| JPS63145991U (en) | ||
| JPS6381994U (en) | ||
| GB1566780A (en) | Pneumatic percussion tools | |
| JPS63176188U (en) | ||
| JPS63145990U (en) | ||
| JPH0237993U (en) | ||
| JPS61121294U (en) | ||
| JPH07216864A (en) | Rolling method and rolling unit therefor | |
| JPS6431192U (en) | ||
| JPH0461150U (en) | ||
| JPS5835425Y2 (en) | Waterproofing device of hydraulic blowing machine | |
| JPH0410294U (en) | ||
| JPS6266987U (en) | ||
| JPH01155186U (en) | ||
| JPS641872U (en) | ||
| JPS62864Y2 (en) | ||
| JPS6277206U (en) | ||
| JPH042573U (en) | ||
| JPH041292U (en) |