CN202970456U - System for boring hard rock for once - Google Patents
System for boring hard rock for once Download PDFInfo
- Publication number
- CN202970456U CN202970456U CN 201220655630 CN201220655630U CN202970456U CN 202970456 U CN202970456 U CN 202970456U CN 201220655630 CN201220655630 CN 201220655630 CN 201220655630 U CN201220655630 U CN 201220655630U CN 202970456 U CN202970456 U CN 202970456U
- Authority
- CN
- China
- Prior art keywords
- large aperture
- bore diameter
- drill
- hard rock
- core barrel
- 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
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a system for boring hard rock for once. The system comprises a large-bore diameter coring and drilling system and a small-bore diameter core-free drilling system, wherein the large-bore diameter coring and drilling system comprises a thick drill rod, a large-bore diameter screw head, a large-bore diameter core barrel and a large-bore diameter coring drill head, one end of the large-bore diameter screw head is connected with the thick drill rod, the other end of the large-bore diameter screw head is connected with the large-bore diameter core barrel, and the other end of the large-bore diameter core barrel is connected with the large-bore diameter coring drill head; and the small-bore diameter core-free drilling system comprises a thin drill rod, one end of the thin drill rod is connected with the thick drill rod by means of screw-thread fit, the other end of the thin drill rod is connected with the core-free drill head, and the large-bore diameter core barrel is connected with an assistant support system. The double drill heads are used for drilling construction at the same time, the boring can be carried out on the hard rock for once, the system is simple in structure, convenient to operate, and high in accuracy, and the work efficiency and benefit can be improved.
Description
Technical field
The utility model relates to the drilling operation technical field, especially a kind of system and method for operating for the disposable perforate of hard rock.
Background technology
In the grouting for water blocking processes such as the mine of prior art, traffic tunnel, hydraulic engineering, especially when hard rock construction is holed, first with small-bore drill bit perforate construction, then use the large aperture drill bit to carry out the reaming construction.The shortcoming that this method exists is, because formation hardness causes that boring perforate difficulty is large, deviation large, accelerated the damage of drilling equipment, the degree of accuracy of holing simultaneously is low, loaded down with trivial details, the cost etc. of increasing input of construction.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, a kind of system for the disposable perforate of hard rock being provided; Two drill bits carry out drilling construction simultaneously, realize disposable perforate in hard rock, and simple in structure, easy to operate, the degree of accuracy is high, has improved operating efficiency and benefit.
For achieving the above object, the utility model adopts following technical proposals:
A kind of system for the disposable perforate of hard rock, comprise that the large aperture core drill advances system, small-bore centreless drilling system, its large pore core drill enters system and comprises thick drilling rod, large aperture screw terminal, large aperture core barrel, large aperture coring bit, screw first end in described large aperture is connected with thick drilling rod, the other end is connected with the large aperture core barrel, and the large aperture core barrel other end is connected with the large aperture coring bit; Small-bore centreless drilling system comprises the jig drill bar, jig drill bar one end by threaded engagement be connected with thick drilling rod, the other end is connected with the small-bore Noncoring drill bit.
Described large aperture core barrel is connected with auxiliary shoring system.The changing of the relative positions when preventing that drilling system from contacting with hard rock and cause the variation of perforate coordinate and the variation that the drilling system own wt causes the perforate coordinate has further improved the boring degree of accuracy.
Described auxiliary shoring system is tripod, and tripod is located at core barrel below, large aperture.
The method of operating that is used for the system of the disposable perforate of hard rock is used for angle of depression hole drill and advances construction, comprises the following steps:
1) the large aperture screw terminal is arranged on thick drilling rod one end, then the large aperture core barrel is mounted to the first end of large aperture screw, and the large aperture coring bit is mounted to the large aperture core barrel other end;
2) the jig drill bar is arranged on thick drilling rod with an end of anti-silk inner, the other end is installed the small-bore Noncoring drill bit;
3) drilling equipment drives large aperture coring bit, small-bore Noncoring drill bit run-in synchronism, realizes the disposable perforate technical matters of hard rock.
The method of operating that is used for the system of the disposable perforate of hard rock is used for elevation angle hole drill and advances construction, comprises the following steps:
1) the large aperture screw terminal is arranged on thick drilling rod one end, then the large aperture core barrel is mounted to the first end of large aperture screw, and the large aperture coring bit is mounted to the large aperture core barrel other end;
2) the jig drill bar is arranged on thick drilling rod with an end of anti-silk inner, the other end is installed the small-bore Noncoring drill bit;
3) before construction hole, the elevation angle, tripod is arranged on the large aperture core drill and enters the system below for supporting the large aperture core barrel.The changing of the relative positions when preventing that drilling system from contacting with hard rock and cause the variation of perforate coordinate and the variation that the drilling system own wt causes the perforate coordinate has further improved the boring degree of accuracy.
4) drilling equipment drives large aperture coring bit, small-bore Noncoring drill bit run-in synchronism, realizes the disposable perforate technical matters of hard rock.
The utility model operating principle: be used for angle of depression hole drill and advance construction: according to the required technique of practice of construction process perforate, at first small-bore centreless drilling system contacts hard rock construction and creeps into to certain depth, and the large aperture core drill continues to creep into after advancing system's contact hard rock.Drilling equipment drives the large aperture core drill and advances system and small-bore centreless drilling system run-in synchronism, realizes the disposable perforate of hard rock.
Be used for elevation angle hole drill and advance construction: before the hole, the elevation angle of constructing, tripod is arranged on the large aperture core drill and enters the system below, the changing of the relative positions when preventing that drilling system from contacting with hard rock and cause the variation of perforate coordinate and the variation that the drilling system own wt causes the perforate coordinate has further improved the boring degree of accuracy.
The utility model beneficial effect:
1, realize disposable perforate in hard rock, simple to operate, the degree of accuracy is high, reduce costs, and improves perforate efficient, solved that the hard rock perforate is loaded down with trivial details, poor accuracy, difficulty are high, unsettled problem;
2, at first centreless drilling system in small-bore enters in hard rock, and the changing of the relative positions when reducing the large aperture core drill and entering system and contact with hard rock and cause the variation of perforate coordinate has improved the degree of accuracy of hard rock perforate;
3, the application of accessory system has reduced the deviation that the drilling system own wt causes to greatest extent, and the changing of the relative positions when further reducing drilling system and contacting with hard rock has guaranteed the degree of accuracy of boring.
Description of drawings
Fig. 1, be the utility model structural representation;
Fig. 2 is the partial sectional view of Fig. 1;
Wherein, 1. thick drilling rod; 2. large aperture screw terminal; 3. large aperture core barrel; 4. large aperture coring bit; 5. jig drill bar; 6. small-bore Noncoring drill bit; 7. tripod, 8. anti-silk.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
A kind of system for the disposable perforate of hard rock, comprise that the large aperture core drill advances system, small-bore centreless drilling system, its large pore core drill enters system and comprises thick drilling rod 1, large aperture screw terminal 2, large aperture core barrel 3, large aperture coring bit 4, described large aperture screw terminal 2 one ends are connected with thick drilling rod 1, the other end is connected with large aperture core barrel 3, and core barrel 3 other ends in large aperture are connected with large aperture coring bit 4; Small-bore centreless drilling system comprises jig drill bar 5, jig drill bar 5 one ends with anti-silk 8 and by threaded engagement be connected with drilling rod 1 slightly, the other end is connected with small-bore Noncoring drill bit 6.
Described large aperture core barrel 3 is connected with auxiliary shoring system.The changing of the relative positions when preventing that drilling system from contacting with hard rock and cause the variation of perforate coordinate and the variation that the drilling system own wt causes the perforate coordinate has further improved the boring degree of accuracy.
Described auxiliary shoring system is tripod 7, and tripod 7 is located at large aperture core barrel 3 belows.
The method of operating that is used for the system of the disposable perforate of hard rock is used for angle of depression hole drill and advances construction, comprises the following steps:
1) large aperture screw terminal 2 is arranged on thick drilling rod 1 one ends, then large aperture core barrel 3 is mounted to large aperture screw terminal 2 one ends, and large aperture coring bit 4 is mounted to large aperture core barrel 3 other ends;
2) jig drill bar 5 is arranged on thick drilling rod 1 inside with an end of anti-silk 8, the other end is installed small-bore Noncoring drill bit 6;
3) drilling equipment drives large aperture coring bit 4,6 run-in synchronisms of small-bore Noncoring drill bit, realizes the disposable perforate technical matters of hard rock.
The method of operating that is used for the system of the disposable perforate of hard rock is used for elevation angle hole drill and advances construction, comprises the following steps:
1) large aperture screw terminal 2 is arranged on thick drilling rod 1 one ends, then large aperture core barrel 3 is mounted to large aperture screw terminal 2 one ends, and large aperture coring bit 4 is mounted to large aperture core barrel 3 other ends;
2) jig drill bar 5 is arranged on thick drilling rod 1 inside with an end of anti-silk 8, the other end is installed small-bore Noncoring drill bit 6;
3) before construction hole, the elevation angle, tripod 7 is arranged on the large aperture core drill and enters the system below for supporting large aperture core barrel 3.The changing of the relative positions when preventing that drilling system from contacting with hard rock and cause the variation of perforate coordinate and the variation that the drilling system own wt causes the perforate coordinate has further improved the boring degree of accuracy.
4) drilling equipment drives large aperture coring bit 4,6 run-in synchronisms of small-bore Noncoring drill bit, realizes the disposable perforate technical matters of hard rock.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (3)
1. system that is used for the disposable perforate of hard rock, it is characterized in that, comprise that the large aperture core drill advances system, small-bore centreless drilling system, its large pore core drill enters system and comprises thick drilling rod, large aperture screw terminal, large aperture core barrel, large aperture coring bit, screw first end in described large aperture is connected with thick drilling rod, the other end is connected with the large aperture core barrel, and the large aperture core barrel other end is connected with the large aperture coring bit; Small-bore centreless drilling system comprises the jig drill bar, jig drill bar one end by threaded engagement be connected with thick drilling rod, the other end is connected with the small-bore Noncoring drill bit.
2. the system for the disposable perforate of hard rock as claimed in claim 1, is characterized in that, described large aperture core barrel is connected with auxiliary shoring system.
3. the system for the disposable perforate of hard rock as claimed in claim 2, is characterized in that, described auxiliary shoring system is tripod, and tripod is located at core barrel below, large aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655630 CN202970456U (en) | 2012-12-03 | 2012-12-03 | System for boring hard rock for once |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655630 CN202970456U (en) | 2012-12-03 | 2012-12-03 | System for boring hard rock for once |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970456U true CN202970456U (en) | 2013-06-05 |
Family
ID=48511544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220655630 Expired - Fee Related CN202970456U (en) | 2012-12-03 | 2012-12-03 | System for boring hard rock for once |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966306A (en) * | 2012-12-03 | 2013-03-13 | 山东大学 | System and operation method for drilling hole on hard rock in one attempt |
| CN108397138A (en) * | 2018-04-19 | 2018-08-14 | 中国科学院武汉岩土力学研究所 | A kind of drill bit and method for fast drilling in detecting earth stress |
-
2012
- 2012-12-03 CN CN 201220655630 patent/CN202970456U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966306A (en) * | 2012-12-03 | 2013-03-13 | 山东大学 | System and operation method for drilling hole on hard rock in one attempt |
| CN102966306B (en) * | 2012-12-03 | 2015-06-10 | 山东大学 | System and operation method for drilling hole on hard rock in one attempt |
| CN108397138A (en) * | 2018-04-19 | 2018-08-14 | 中国科学院武汉岩土力学研究所 | A kind of drill bit and method for fast drilling in detecting earth stress |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103382817B (en) | The anti-blocking drilling rod of a kind of mine floor anchoring | |
| CN202448086U (en) | Mounting tool for sealing ring | |
| CN203669921U (en) | Soft and broken coal seam gas extraction hole drilling with casing device | |
| CN101205798A (en) | Mining drill rod anti-skid clamp holder | |
| CN105696598A (en) | Device suitable for elevation-angle grouting of sleeve valve pipe and using method thereof | |
| CN102966306B (en) | System and operation method for drilling hole on hard rock in one attempt | |
| CN202970456U (en) | System for boring hard rock for once | |
| CN203066865U (en) | Anchor rod drill capable of broaching | |
| CN204572026U (en) | A kind of Multifunctional anchor rod device | |
| CN208203163U (en) | A kind of drill rod centering device for Drilling trolley drilling construction | |
| CN104632106A (en) | Guide device for coal bed gas phase fracturing device | |
| CN204804845U (en) | Drilling machine is used in ore exploitation | |
| CN204402370U (en) | The telescopic PDC drill bit of a kind of wing | |
| CN204386490U (en) | A kind of probing follow-up casing bit | |
| CN204663421U (en) | Hole sealing tube clamping device | |
| CN204724680U (en) | A kind of support of auxiliary piercing on rectangular tube | |
| CN204195809U (en) | A kind of glass fibre reinforced plastics rockbolts cutting machine | |
| CN203188917U (en) | Base device of core drill for drilling long and thin holes | |
| CN204729002U (en) | The comprehensive Double-arm hydraulic driving drill carriage device in a kind of colliery | |
| CN207776795U (en) | A kind of chambering device structure | |
| CN204436417U (en) | A kind of pipe canopy propulsion plant | |
| CN204663559U (en) | A kind of Multifunctional anchor rod device | |
| CN206581959U (en) | A kind of roadway deep support anchor | |
| CN206092018U (en) | Leading slip casting ductule construction equipment of tunnel | |
| CN204782767U (en) | Tunnel country rock dowelling jig utensil of preventing collapsing |
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: 20130605 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |