JPH01164385U - - Google Patents
Info
- Publication number
- JPH01164385U JPH01164385U JP6100388U JP6100388U JPH01164385U JP H01164385 U JPH01164385 U JP H01164385U JP 6100388 U JP6100388 U JP 6100388U JP 6100388 U JP6100388 U JP 6100388U JP H01164385 U JPH01164385 U JP H01164385U
- Authority
- JP
- Japan
- Prior art keywords
- air hammer
- rotor
- air
- excavation
- check valve
- 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
- 238000009412 basement excavation Methods 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims 3
- 238000005553 drilling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案に係る掘削装置の実施例を示し
た部分破断図、第２図はそのＡ部分の構造を示し
た断面図、第３図は同じくＢ部分の構造を示した
断面図。
１０…掘削パイプ、１２…ロツト、１４…デバ
イス、１６…ビツト装置、２６…エアハンマ、２
８…逆止弁、４２…逆止弁、５６…土砂。
FIG. 1 is a partially cutaway view showing an embodiment of the excavation device according to the present invention, FIG. 2 is a cross-sectional view showing the structure of part A, and FIG. 3 is a cross-sectional view showing the structure of part B. DESCRIPTION OF SYMBOLS 10...Drilling pipe, 12...Rot, 14...Device, 16...Bit device, 26...Air hammer, 2
8...Check valve, 42...Check valve, 56...Sediment.
Claims (1)
の下端には該エアハンマの衝撃力を受けると共に
ロツトの回転力を受けるデバイスを設け、デバイ
スの下端には土砂を掘削するビツト装置が設けら
れた掘削装置において、 前記ロツト内の前記エアハンマより上側に、ロ
ツト内に送り込まれたエアを下方へのみ通過させ
るための逆止弁が設けられたことを特徴とする掘
削装置。 ２ ロツトの中途にエアハンマを設け、該ロツト
の下端には該エアハンマの衝撃力を受けると共に
ロツトの回転力を受けるデバイスを設け、デバイ
スの下端には土砂を掘削するビツト装置が設けら
れた掘削装置において、 前記デバイスに、送り込まれたエアを下方への
み通過させるための逆止弁が設けられたことを特
徴とする掘削装置。 ３ ロツトの中途にエアハンマを設け、該ロツト
の下端には該エアハンマの衝撃力を受けると共に
ロツトの回転力を受けるデバイスを設け、デバイ
スの下端には土砂を掘削するビツト装置が設けら
れた掘削装置において、 前記ロツト内の前記エアハンマにより上側及び
前記デバイス内に、送り込まれたエアを下方への
み通過させるための逆止弁が設けられたことを特
徴とする掘削装置。[Claims for Utility Model Registration] 1. An air hammer is provided in the middle of a rotor, a device is provided at the lower end of the rotor that receives the impact force of the air hammer and the rotational force of the rotor, and the lower end of the device excavates earth and sand. What is claimed is: 1. An excavation device equipped with a bit device, characterized in that a check valve is provided above the air hammer in the lot for allowing air sent into the lot to pass only downward. 2. An excavation device in which an air hammer is provided in the middle of the rot, a device is provided at the lower end of the rotor to receive the impact force of the air hammer and the rotary force of the rotor, and a bit device for excavating earth and sand is provided at the lower end of the device. An excavation rig, characterized in that the device is provided with a check valve for allowing the fed air to pass only downward. 3. An excavation device in which an air hammer is installed in the middle of the rot, a device is installed at the lower end of the rod to receive the impact force of the air hammer and the rotary force of the rod, and a bit device for excavating earth and sand is installed at the lower end of the device. An excavation device according to claim 1, further comprising a check valve provided above the air hammer in the rod and in the device to allow air sent in to pass only downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061003U JPH0512389Y2 (en) | 1988-05-09 | 1988-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988061003U JPH0512389Y2 (en) | 1988-05-09 | 1988-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01164385U true JPH01164385U (en) | 1989-11-16 |
| JPH0512389Y2 JPH0512389Y2 (en) | 1993-03-30 |
Family
ID=31286693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988061003U Expired - Lifetime JPH0512389Y2 (en) | 1988-05-09 | 1988-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512389Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156101A (en) * | 1974-11-13 | 1976-05-17 | Mitsubishi Electric Corp | |
| JPS5156702A (en) * | 1974-09-20 | 1976-05-18 | Reed Tool Co |
-
1988
- 1988-05-09 JP JP1988061003U patent/JPH0512389Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156702A (en) * | 1974-09-20 | 1976-05-18 | Reed Tool Co | |
| JPS5156101A (en) * | 1974-11-13 | 1976-05-17 | Mitsubishi Electric Corp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512389Y2 (en) | 1993-03-30 |
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