CN201513116U - Rotary drilling tool and rotary drilling rig comprising same - Google Patents
Rotary drilling tool and rotary drilling rig comprising same Download PDFInfo
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- CN201513116U CN201513116U CN2009202227669U CN200920222766U CN201513116U CN 201513116 U CN201513116 U CN 201513116U CN 2009202227669 U CN2009202227669 U CN 2009202227669U CN 200920222766 U CN200920222766 U CN 200920222766U CN 201513116 U CN201513116 U CN 201513116U
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- drilling tool
- gusset
- tooth
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- brill
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Abstract
The utility model discloses a rotary drilling tool, which comprises a drilling cylinder (1). A connection cube (3) is supported by a cylinder top (11) of the drilling cylinder (1); bottom drilling teeth (5) are arranged at the bottom part of the drilling cylinder (1); at least one reinforcing rib plate (2) is further connected between the connection cube (3) and the cylinder top (11); at least one drilling tooth (4) is formed on the end surface of at least one reinforcing rib plate (2); and the cutting outer diameter of the drilling tooth (4) far away from an axis of the drilling cylinder (1) is smaller than or equal to that of the bottom drilling teeth (5). The rotary drilling tool can solve the problem of the sticking of the drilling tool generated under the karst geological condition, thereby improving the operating efficiency. The utility model further discloses a rotary drilling rig comprising the rotary drilling tool.
Description
Technical field
The utility model relates to the rotary drilling rig technical field, and particularly a kind of revolving dug drilling tool; The utility model also relates to a kind of above-mentioned rotary drilling rig that digs drilling tool that revolves that comprises.
Background technology
In recent years, along with the fast development of infrastructure constructions such as China's speedway, high-speed railway, piling machinery, especially rotary drilling rig have obtained using more and more widely.
China region is vast in territory, nearly all geological form can find in China, in various geological form, karst (karst) landforms because of its in engineering geological conditions particularity and in engineering construction, be subjected to great attention in the popularity that China distributes.Karst (karst) landforms have seen 23 provinces and regions of China, and major part is distributed in provinces such as Guangxi, Guangdong, Yunnan, Guizhou, Hubei, Hunan and Sichuan.
Please refer to Fig. 1, Fig. 1 digs the working state schematic representation of drilling tool under the karst geological conditions for a kind of typically revolving in the prior art.
As shown in Figure 1, revolve in the prior art dig drilling tool comprise bore tube 1 ', bore tube 1 ' the tube top be fixedly connected with connection side 3 ', connection side 3 ' and described tube top between further be connected with a plurality of reinforcement gussets 2 ', with strengthen connection side 3 ' with the reliability that is connected between described tube pushes up.Connection side 3 ' with the drilling rod 4 of rotary drilling rig ' be connected.
Because the particularity of karst features, thereby can produce landform units such as solution cavity, lapies and subterranean stream, use rotary drilling rig of the prior art operation above these type of landforms, as shown in Figure 1, in case the drilling tool of rotary drilling rig enter solution cavity 5 ', behind this type of landform unit such as lapies, the working space of drilling tool can become open suddenly, thereby make drilling tool lose the constraint of borehole wall to it, in the process that promotes drilling tool, the drilling tool top (such as strengthen gusset 2 ') very easily with solution cavity 5 ' roof come in contact, thereby bit freezing situation shown in Figure 1 takes place.
In case above-mentioned bit freezing situation takes place, can cause very big difficulty to construction.Present revolving dug drilling tool and all do not had at this situation drilling tool to be improved specially.In order to improve the drilling efficiency of rotary drilling rig under the karst geological conditions, solve the bit freezing problem that the karst geological conditions takes place down, necessary drilling tool is improved.
The utility model content
The technical problems to be solved in the utility model provides a kind of revolving and digs drilling tool, and this revolves and digs drilling tool can solve the bit freezing problem that takes place under the karst geological conditions, thereby has improved operating efficiency; Another technical problem that will solve of the utility model is for providing a kind of above-mentioned rotary drilling rig that digs drilling tool that revolves that comprises.
For solving the problems of the technologies described above, the utility model provides a kind of revolving to dig drilling tool, comprises boring tube, and described tube top of boring tube is supported with the connection side, and the bottom of described brill tube is connected with the bottom and bores tooth; Further be connected with at least one between described connection side and the described tube top and strengthen gusset; In each described reinforcement gusset, have at least an end face of strengthening gusset to be provided with at least one brill tooth, and the described cutting external diameter that bores the axis brill tooth farthest of tube of distance is less than or equal to the cutting external diameter that tooth is bored in described bottom.
Preferably, in each described reinforcement gusset, have at least an end face of strengthening gusset to be provided with a plurality of brill teeth, and the middle face that each described brill tooth is strengthened gusset with its place is that datum is obliquely installed.
Preferably, two adjacent described brill teeth tilt to the both sides of described datum respectively on the described reinforcement gusset.
Preferably, the angular range of the angle of the axis of each described brill tooth and described datum is 0 ° to 45 °.
Preferably, the angle of described angle is 15 °.
Preferably, the shape of each described reinforcement gusset is roughly right-angled triangle, and two right-angle sides of each described reinforcement gusset are connected with described connection side, described tube top respectively; Described brill tooth is arranged on the hypotenuse of described reinforcement gusset.
Preferably, the number of described reinforcement gusset is 4, and along circumferentially evenly being provided with.
Preferably, only position relative two is strengthened gussets and is provided with described brill tooth, and one strengthened gusset and be provided with 2 described brill teeth, and another is strengthened gusset and is provided with 3 described brill teeth.
Preferably, described brill tooth is a pick.
For solving the problems of the technologies described above, the utility model also provides a kind of above-mentioned each described rotary drilling rig that comprises.
Provided by the utility model revolving dug drilling tool on the basis of existing technology, at least one end face of strengthening gusset is provided with at least one brill tooth, and the cutting external diameter of the axis brill tooth farthest of the described rotary drilling rig brill of distance tube bores the cutting external diameter of tooth smaller or equal to described bottom.
Revolve when digging drilling tool and creeping into when described, the drilling rod of rotary drilling rig is given to revolve and is dug drilling tool and apply downward pressure and drive described drilling tool rotation, makes the brill tooth that bores the end cut the rock of described drilling tool below, thereby realizes the purpose of boring.
When provided by the utility model revolving dug the karst features unit that drilling tool pierces spaciousnesses such as solution cavity, lapies, subterranean stream, when promoting drilling tool, owing to lost the constraint of borehole wall to described rotation drilling tool, make it in lifting process, can not freely rise along hole wall, very easily make the described top of digging drilling tool of revolving contact, produce the bit freezing problem with the top of solution cavity.But, because the top of digging drilling tool of revolving provided by the utility model has the brill tooth, thereby can rotate described revolving while promoting and dig drilling tool, make described brill tooth cutting block the described rock that digs drilling tool that revolves, thereby described the revolving that successfully will block dug the drilling tool proposition, solved the bit freezing problem.
Description of drawings
Fig. 1 digs the working state schematic representation of drilling tool under the karst geological conditions for a kind of typically revolving in the prior art;
Fig. 2 digs the working state schematic representation of drilling tool under the karst geological conditions for revolving among a kind of embodiment of the utility model;
Fig. 3 revolves the structural scheme of mechanism that digs drilling tool among a kind of embodiment of the utility model;
Fig. 4 is for revolving the structural representation at the top of digging drilling tool among a kind of embodiment of the utility model;
Fig. 5 is for revolving the structural representation of the bottom of digging drilling tool among a kind of embodiment of the utility model.
The specific embodiment
Core of the present utility model provides a kind of revolving and digs drilling tool, and this revolves and digs drilling tool can solve the bit freezing problem that takes place under the karst geological conditions, thereby has improved drilling efficiency; Another core of the utility model is for providing a kind of above-mentioned rotary drilling rig that digs drilling tool that revolves that comprises.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 and Fig. 3, Fig. 2 digs the working state schematic representation of drilling tool under the karst geological conditions for revolving among a kind of embodiment of the utility model; Fig. 3 revolves the structural scheme of mechanism that digs drilling tool among a kind of embodiment of the utility model.
In first kind of embodiment, provided by the utility model revolving dug drilling tool, comprises boring tube 1, and tube top 11 (being shown among Fig. 4) of boring tube 1 are supported with connection side 3, and the bottom of boring tube 1 is connected with the bottom and bores tooth 5; Further be connected with at least one between connection side 3 and the tube top 11 and strengthen gusset 2; Each is strengthened in the gusset 2, have at least an end face of strengthening gusset 2 to be provided with at least one brill tooth 4, and the cutting external diameter of the axis brill tooth 4 farthest of distance brill tube 1 bores the cutting external diameter of tooth 5 smaller or equal to the bottom.
Revolve when digging drilling tool and creeping into when described, the drilling rod 6 of rotary drilling rig is given to revolve and is dug drilling tool and apply downward pressure and drive described drilling tool rotation, makes the bottom bore the rock of the described drilling tool of tooth 5 cuttings below, thereby realizes the purpose of boring.
When provided by the utility model revolving dug the karst features unit that drilling tool pierces spaciousnesses such as solution cavity 9, lapies, subterranean stream, when promoting drilling tool, owing to lost the constraint of borehole wall to described rotation drilling tool, make it in lifting process, can not freely rise along hole wall, very easily make the described top of digging drilling tool of revolving contact, produce the bit freezing problem with the top of solution cavity 9.But, because the top of digging drilling tool of revolving provided by the utility model has the tooth 4 of boring, thereby can rotate described revolving while promoting and dig drilling tool, make that boring tooth 4 cuttings blocks the described rock that digs drilling tool that revolves, thereby described the revolving that successfully will block dug the drilling tool proposition, solved the bit freezing problem.
In above-mentioned first kind of embodiment; particularly; can at least one end face of strengthening on the gusset 2, a plurality of brill teeth 4 be set (certainly; one or two are set bore teeth 4 also within protection domain of the present utility model), and respectively to bore tooth 4 be that datum is obliquely installed with the middle face of the reinforcement gusset 2 at its place.
It is pointed out that the middle face of strengthening gusset 2 in the epimere is meant cardinal principle perpendicular to the thickness direction of strengthening gusset 2, and will strengthen the plane that gusset 2 is divided into two parts symmetrical.
This improved procedure when promoting drilling tool, can improve the efficient of boring tooth 4 cutting solution cavity rock crowns, thereby be easier to solve the bit freezing problem.
Please refer to Fig. 4, Fig. 4 is for revolving the structural representation at the top of digging drilling tool among a kind of embodiment of the utility model.
Second kind of embodiment of the present utility model is on the basis of above-mentioned first kind of embodiment, does to such an extent that further improve.
In second kind of embodiment, as shown in Figure 4, strengthen two adjacent on the gusset 2 brill teeth 4 and tilt to the both sides of described datum respectively.
Two adjacent brill teeth 4 of strengthening on the gusset 2 are obliquely installed in the both sides of described datum respectively, this improved procedure, lifting is revolved when digging drilling tool, can described the revolving of positive and negative both direction rotation dig drilling tool while promoting, thereby further improve described efficient of revolving the rock of the brill tooth 4 cutting solution cavities 9 that dig the drilling tool top, thereby more effectively solve the bit freezing problem.
In addition, can also dig the further improvement of drilling tool do to above-mentioned second kind revolving that embodiment provided.
Particularly, boring the angular range that tooth 4 tilts is 0 ° to 45 °, that is the scope of the axis that bores tooth 4 and the angle of described datum is 0 ° to 45 °, and in this angular range, described revolving dug drilling tool and all can be solved the bit freezing problem, thus the realization goal of the invention.
In addition, in this angular range, when boring 15 ° of angles that tooth 4 tilts, it is adjacent two when boring teeth 4 and tilting 15 ° (that is bore the angle that tooth 4 tilts be positive and negative 15 °) in the both sides of described datum respectively, the efficient that the described brill tooth 4 that revolves the top of digging drilling tool cuts the solution cavity rock crowns is than higher, thus the more remarkable card commentaries on classics problem that solves effectively.
Please refer to Fig. 3, the third embodiment of the present utility model is on the basis of above-mentioned any embodiment, does to such an extent that further improve.
In the third embodiment, each shape of strengthening gusset 2 is roughly right-angled triangle, and each two right-angle side of strengthening gusset 2 is connected with connection side 3, tube top 11 respectively, and the hypotenuse of strengthening gusset 2 is provided with and bores tooth 4.
Obviously, this improved procedure had both helped improving the reliability that connects between connection side 3 and the tube top 11, also was convenient at the described top of digging drilling tool of revolving brill tooth 4 is set.
As shown in Figure 4, in above-mentioned the third embodiment, it is 4 that the number of strengthening gusset 2 can further be set, and along circumferentially evenly being provided with.
It is pointed out that the number of strengthening gusset 2 is less than or unnecessary 4, perhaps along circumferentially evenly being provided with, also can the technical solution problem, obviously also within protection domain of the present utility model.
As shown in Figure 4, number at reinforcement gusset 2 is 4, and along on the basis that circumferentially evenly is provided with, only two relative reinforcement gussets 2 of position are provided with and bore tooth 4, and strengthen gusset 2 for one and be provided with 2 brill teeth 4, another is strengthened gusset 2 and is provided with 3 brill teeth 4.
Above-mentioned improved procedure solves under the prerequisite of bit freezing problem effectively guaranteeing, and has avoided strengthening being provided with on the gusset 2 increase of boring the cost that tooth 4 brought at all.
In addition, bore the type of tooth 4 and can select pick, pick can more effectively improve the efficient of cutting solution cavity 9 rock crowns, and certainly, the brill tooth 4 of other types such as bucket tooth is also within protection domain of the present utility model.
Fig. 2 digs drilling tool to shown in Figure 5 revolving and bores for tube; but Fig. 2 to Fig. 5 only is a schematic diagram; can not be as restriction to the utility model protection domain, technical scheme provided by the utility model can also be applied to other drilling tools except that tube bores certainly, such as auger and drilling bucket etc.That is the brill tooth is set at the top of auger and drilling bucket, and also can solve the bit freezing problem, solve previously described technical problem, realize the utility model purpose.
Please refer to Fig. 5, Fig. 5 is for revolving the structural representation of the bottom of digging drilling tool among a kind of embodiment of the utility model.
As shown in Figure 5, the bottom is bored tooth 5 and is uniformly distributed in the bottom of boring tube 1, and tube top 11 further is connected by 7 reinforcements of two arcs with boring between the tube 1; In addition, connect by horizontal bar 8 between two arcs 7, thereby improve the reliability that connects.
Rotary drilling rig provided by the utility model comprises that described the revolving of above-mentioned any specific embodiment dig drilling tool; Other parts of described rotary drilling rig can be with reference to prior art, and this paper no longer launches.
More than a kind of rotary drilling rig that digs drilling tool and comprise this drilling tool that revolves provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. one kind revolves and digs drilling tool, comprises boring tube (1), and described tube top (11) of boring tube (1) is supported with connection side (3), and described bottom of boring tube (1) is connected with the bottom and bores tooth (5); Further be connected with at least one between described connection side (3) and the described tube top (11) and strengthen gusset (2); It is characterized in that, in each described reinforcement gusset (2), have at least an end face of strengthening gusset (2) to be provided with at least one brill tooth (4), and the described cutting external diameter that bores the axis brill tooth (4) farthest of tube (1) of distance is less than or equal to the cutting external diameter that tooth (5) is bored in described bottom.
2. as claimed in claim 1 revolving dug drilling tool, it is characterized in that, in each described reinforcement gusset (2), have at least an end face of strengthening gusset (2) to be provided with a plurality of brill teeth (4), and the middle face that each described brill tooth (4) is strengthened gusset (2) with its place is that datum is obliquely installed.
3. as claimed in claim 2 revolving dug drilling tool, it is characterized in that, described reinforcement gusset (2) is gone up adjacent two described brill teeth (4) and tilted to the both sides of described datum respectively.
4. as claimed in claim 3 revolving dug drilling tool, it is characterized in that, the angular range of the axis of each described brill tooth (4) and the angle of described datum is 0 ° to 45 °.
5. as claimed in claim 4 revolving dug drilling tool, it is characterized in that, the angle of described angle is 15 °.
6. dig drilling tool as each described revolving of claim 1 to 5, it is characterized in that the shape of each described reinforcement gusset (2) is roughly right-angled triangle, two right-angle sides of each described reinforcement gusset (2) are connected with described connection side (3), described tube top (11) respectively; Described brill tooth (4) is arranged on the hypotenuse of described reinforcement gusset (2).
7. as claimed in claim 6 revolving dug drilling tool, it is characterized in that, the number of described reinforcement gusset (2) is 4, and along circumferentially evenly being provided with.
8. as claimed in claim 7 revolving dug drilling tool, it is characterized in that, only position relative two is strengthened gussets (2) and is provided with described brill tooth (4), and one strengthened gusset (2) and be provided with 2 described brill teeth (4), and another is strengthened gusset and is provided with 3 described brill teeth (4).
9. as claimed in claim 8 revolving dug drilling tool, it is characterized in that, described brill tooth (4) is a pick.
10. a rotary drilling rig is characterized in that, comprises that each described revolving of claim 1 to 9 digs drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202227669U CN201513116U (en) | 2009-09-15 | 2009-09-15 | Rotary drilling tool and rotary drilling rig comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202227669U CN201513116U (en) | 2009-09-15 | 2009-09-15 | Rotary drilling tool and rotary drilling rig comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513116U true CN201513116U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202227669U Expired - Fee Related CN201513116U (en) | 2009-09-15 | 2009-09-15 | Rotary drilling tool and rotary drilling rig comprising same |
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| CN (1) | CN201513116U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011549A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Non-coring cylindrical rock drill of rotary drilling rig |
| CN102011548A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Three-layer rock-socketed tube drill of rotary drilling rig |
| CN102011551A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Non-core rock cylindrical drill with sawteeth at bottom for rotary drilling rig |
| CN102434090A (en) * | 2010-09-29 | 2012-05-02 | 张家口汇洋机械有限公司 | Rolling-compaction type rotary rock-breaking drilling bucket |
| CN103061677A (en) * | 2012-12-27 | 2013-04-24 | 三一重工股份有限公司 | Rotary type cutting tooth, rotary drilling tool and rotary drilling rig |
| CN103573186A (en) * | 2013-10-10 | 2014-02-12 | 徐州徐工基础工程机械有限公司 | Drill bit of rotary drilling rig |
| CN104533293A (en) * | 2014-11-13 | 2015-04-22 | 天地科技股份有限公司 | Anti-collapse hole drill bit for coal mine roadway rock and soil reinforcement |
| CN105041217A (en) * | 2015-04-22 | 2015-11-11 | 天地科技股份有限公司 | Anti-sloughing drilling tool for surrounding rocks of tunnel |
-
2009
- 2009-09-15 CN CN2009202227669U patent/CN201513116U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011549A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Non-coring cylindrical rock drill of rotary drilling rig |
| CN102011548A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Three-layer rock-socketed tube drill of rotary drilling rig |
| CN102011551A (en) * | 2010-09-07 | 2011-04-13 | 李新桥 | Non-core rock cylindrical drill with sawteeth at bottom for rotary drilling rig |
| CN102434090A (en) * | 2010-09-29 | 2012-05-02 | 张家口汇洋机械有限公司 | Rolling-compaction type rotary rock-breaking drilling bucket |
| CN103061677A (en) * | 2012-12-27 | 2013-04-24 | 三一重工股份有限公司 | Rotary type cutting tooth, rotary drilling tool and rotary drilling rig |
| CN103061677B (en) * | 2012-12-27 | 2016-02-10 | 三一重工股份有限公司 | Rotary pick, rotary drill tools and rotary drilling rig |
| CN103573186A (en) * | 2013-10-10 | 2014-02-12 | 徐州徐工基础工程机械有限公司 | Drill bit of rotary drilling rig |
| CN103573186B (en) * | 2013-10-10 | 2017-01-18 | 徐州徐工基础工程机械有限公司 | Drill bit of rotary drilling rig |
| CN104533293A (en) * | 2014-11-13 | 2015-04-22 | 天地科技股份有限公司 | Anti-collapse hole drill bit for coal mine roadway rock and soil reinforcement |
| CN105041217A (en) * | 2015-04-22 | 2015-11-11 | 天地科技股份有限公司 | Anti-sloughing drilling tool for surrounding rocks of tunnel |
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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: 20100623 Termination date: 20150915 |
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| EXPY | Termination of patent right or utility model |