CN210033350U - 防卡扶正盲锤 - Google Patents
防卡扶正盲锤 Download PDFInfo
- Publication number
- CN210033350U CN210033350U CN201920780626.7U CN201920780626U CN210033350U CN 210033350 U CN210033350 U CN 210033350U CN 201920780626 U CN201920780626 U CN 201920780626U CN 210033350 U CN210033350 U CN 210033350U
- Authority
- CN
- China
- Prior art keywords
- hammer
- tooth
- blind
- righting
- teeth
- 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.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920780626.7U CN210033350U (zh) | 2019-05-27 | 2019-05-27 | 防卡扶正盲锤 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920780626.7U CN210033350U (zh) | 2019-05-27 | 2019-05-27 | 防卡扶正盲锤 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210033350U true CN210033350U (zh) | 2020-02-07 |
Family
ID=69345167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920780626.7U Expired - Fee Related CN210033350U (zh) | 2019-05-27 | 2019-05-27 | 防卡扶正盲锤 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210033350U (zh) |
-
2019
- 2019-05-27 CN CN201920780626.7U patent/CN210033350U/zh not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208996024U (zh) | 一种水工建筑基桩结构 | |
CN204327024U (zh) | 可变径式螺旋钢丝落鱼打捞器 | |
CN110805404A (zh) | 一种爪簧式双管取样钻具 | |
CN102155178A (zh) | 大口径煤层气取芯钻具 | |
CN110424896A (zh) | 一种适用于高回填岩溶地质的孔桩成孔施工方法及装置 | |
CN210033350U (zh) | 防卡扶正盲锤 | |
CN201087695Y (zh) | 一种高风压潜孔冲击器 | |
CN107269218A (zh) | 一种矿井专用同步钻孔设备 | |
CN204738775U (zh) | 一种带有到位报信的绳索取心定位悬挂机构 | |
CN208918499U (zh) | 用于海底管道定向钻登陆拖拉钻孔内杂物的打捞工具 | |
CN203701954U (zh) | 潜孔钻 | |
CN203296750U (zh) | 可收缩式分瓣球座 | |
CN212105807U (zh) | 一种爪簧式双管取样钻具 | |
CN204825851U (zh) | 一种用于土遗址修复的半自动夯补锤 | |
CN205689129U (zh) | 嵌镶硬质合金柱的塔式滚刀圈 | |
CN201474288U (zh) | 一种钢管脚手架扣件 | |
CN203570206U (zh) | 端部承压型岩层锚杆扩孔器 | |
CN2777176Y (zh) | 井下钻孔防卡钻机 | |
CN210003217U (zh) | 一种水文井钻探施工系统 | |
CN211058834U (zh) | 一种用于煤矿深部巷道的大变形控制锚索 | |
CN210888805U (zh) | 一种用于钻头落井打捞的扩孔工具 | |
CN204402366U (zh) | 可拆卸地钻钻头 | |
CN2923986Y (zh) | 一种自滑动式井下打捞工具 | |
CN208518636U (zh) | 一种兼具套铣和修鱼顶功能的工具 | |
CN112211561A (zh) | 一种便于安装的两用式金刚石地质钻头 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
|
CF01 | Termination of patent right due to non-payment of annual fee |