CN204024684U - A kind of self-drilling slip casting recoverable anchor rod - Google Patents
A kind of self-drilling slip casting recoverable anchor rod Download PDFInfo
- Publication number
- CN204024684U CN204024684U CN201420502721.8U CN201420502721U CN204024684U CN 204024684 U CN204024684 U CN 204024684U CN 201420502721 U CN201420502721 U CN 201420502721U CN 204024684 U CN204024684 U CN 204024684U
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- CN
- China
- Prior art keywords
- steel tube
- hollow steel
- slip casting
- spring
- support bar
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- 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
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Abstract
The utility model relates to a kind of self-drilling slip casting recoverable anchor rod, comprise: hollow steel tube, nut, pallet, semi-round ball, spring, support bar, hollow steel tube external surface is provided with screw thread, hollow steel tube evenly has slurry outlet, the lower end of hollow steel tube is a conical head, and the upper end of hollow steel tube is provided with pallet and nut, inserts a support bar on hollow steel tube top near pallet place, support bar has a spring, spring is connected with a semi-round ball.The beneficial effects of the utility model are: certainly can drill into soft-rock tunnel, easy construction; Slurries can be stoped during slip casting to outflow; Anchor pole can recycled in its entirety after use terminates, and saves support cost.
Description
Technical field
The utility model relates to a kind of self-drilling slip casting recoverable anchor rod, belongs to mine support equipment technical field.
Background technology
At present, mine often uses grouted anchor bar to reinforce roadway surrounding rock, but common grouted anchor bar is single use, which results in the waste of support material, considerably increases support cost; Simultaneously general grouted anchor bar is after slip casting terminates, and the cement paste that high pressure fills can overflow from grouting port, and casualty accident of whitewashing also can occur sometimes.Therefore, ensureing under the prerequisite that slurries can not overflow, in the urgent need to a kind of recoverable anchor rod easy for installation, to realize the recycling of anchor pole.
Utility model content
The purpose of this utility model is the weak point overcoming prior art, provides one to be convenient to install, safe and reliable, reusable self-drilling slip casting recoverable anchor rod.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of self-drilling slip casting recoverable anchor rod, comprise: hollow steel tube, nut, pallet, semi-round ball, spring, support bar, it is characterized in that: described hollow steel tube external surface is provided with screw thread, hollow steel tube evenly has slurry outlet, the lower end of hollow steel tube is a conical head, and the upper end of hollow steel tube is provided with pallet and nut, inserts a support bar on hollow steel tube top near pallet place, support bar has a spring, spring is connected with a semi-round ball.
The described depth of thread is 15 ~ 20mm, and pitch is 20 ~ 30mm.
Therefore, the beneficial effects of the utility model are: certainly can drill into soft-rock tunnel, easy construction; Slurries can be stoped during slip casting to outflow; Anchor pole can recycled in its entirety after use terminates, and saves support cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1. hollow steel tube 2. nut 3. pallet 4. semi-round ball 5. spring 6. support bar 7. screw thread 8. slurry outlet 9. conical head.
Detailed description of the invention
The technical characteristic realized to make the utility model with reach object and be easy to understand, below in conjunction with accompanying drawing, set forth the utility model further.
As shown in Figure 1, a kind of self-drilling slip casting recoverable anchor rod, comprising: hollow steel tube 1, nut 2, pallet 3, semi-round ball 4, spring 5, support bar 6.It is characterized in that: described hollow steel tube 1 external surface is provided with screw thread 7, hollow steel tube 1 evenly has slurry outlet 8, the lower end of hollow steel tube 1 is a conical head 9, the upper end of hollow steel tube 1 is provided with pallet 3 and nut 2, a support bar 6 is inserted near pallet place on hollow steel tube 1 top, support bar 6 has a spring 5, spring 5 is connected with a semi-round ball 4.
Adopt self-drilling slip casting recoverable anchor rod of the present utility model, directly can creep into country rock, be convenient to install; When slurries enter anchor bar body from grouting port, passage is become half-duplex channel by semi-round ball, and slurries can be stoped excessive; After anchor pole use terminates, anchor pole can directly oppositely screw out, and realizes overall recovery, thus saves support cost.
Claims (2)
1. a self-drilling slip casting recoverable anchor rod, comprise: hollow steel tube, nut, pallet, semi-round ball, spring, support bar, it is characterized in that: hollow steel tube external surface is provided with screw thread, hollow steel tube evenly has slurry outlet, the lower end of hollow steel tube is a conical head, and the upper end of hollow steel tube is provided with pallet and nut, inserts a support bar on hollow steel tube top near pallet place, support bar has a spring, spring is connected with a semi-round ball.
2. a kind of self-drilling slip casting recoverable anchor rod according to claim 1, it is characterized in that: the described depth of thread is 15 ~ 20mm, pitch is 20 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502721.8U CN204024684U (en) | 2014-09-02 | 2014-09-02 | A kind of self-drilling slip casting recoverable anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420502721.8U CN204024684U (en) | 2014-09-02 | 2014-09-02 | A kind of self-drilling slip casting recoverable anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204024684U true CN204024684U (en) | 2014-12-17 |
Family
ID=52064568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420502721.8U Expired - Fee Related CN204024684U (en) | 2014-09-02 | 2014-09-02 | A kind of self-drilling slip casting recoverable anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204024684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929667A (en) * | 2015-06-17 | 2015-09-23 | 中国矿业大学(北京) | Full length anchor bolt for flexible stabilization of coal body and application thereof |
| CN108166513A (en) * | 2018-01-02 | 2018-06-15 | 深圳市勘察测绘院有限公司 | Anchor hole and the pore-forming technique in the dual-purpose hole of osculum in a kind of dregs side slope |
| CN111335899A (en) * | 2020-03-24 | 2020-06-26 | 中国电建集团成都勘测设计研究院有限公司 | Advanced support device for water-saturated plastic clay and use method |
-
2014
- 2014-09-02 CN CN201420502721.8U patent/CN204024684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929667A (en) * | 2015-06-17 | 2015-09-23 | 中国矿业大学(北京) | Full length anchor bolt for flexible stabilization of coal body and application thereof |
| CN108166513A (en) * | 2018-01-02 | 2018-06-15 | 深圳市勘察测绘院有限公司 | Anchor hole and the pore-forming technique in the dual-purpose hole of osculum in a kind of dregs side slope |
| CN111335899A (en) * | 2020-03-24 | 2020-06-26 | 中国电建集团成都勘测设计研究院有限公司 | Advanced support device for water-saturated plastic clay and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |