CN101517190A - Bit changer - Google Patents
Bit changer Download PDFInfo
- Publication number
- CN101517190A CN101517190A CNA2007800356584A CN200780035658A CN101517190A CN 101517190 A CN101517190 A CN 101517190A CN A2007800356584 A CNA2007800356584 A CN A2007800356584A CN 200780035658 A CN200780035658 A CN 200780035658A CN 101517190 A CN101517190 A CN 101517190A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drilling rod
- feed mechanism
- drill
- magazine
- 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
- 238000005553 drilling Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 210000001138 tear Anatomy 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 8
- 101150006257 rig-4 gene Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/20—Combined feeding from rack and connecting, e.g. automatically
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
A device for automatic changing of a drill bit (2) on a drill rod (5) for a drilling machine (4) which is supported by a feeder (3). The device comprises a bracket (6) for fastening to a forward portion of the feeder (3) and, attached to the bracket, a magazine (10) for drill bits (2), and a separate basket (9) for gathering up replaced drill bits (2) and comprises also a clamping means (14) for firmly clamping the drill rod (5) during a change of drill bit (2), whereby the device is pivoted upwards in front of a worn drill bit (2), which is unscrewed and gathered up in the basket (9), after which another drill bit from the magazine is screwed onto the drill rod.
Description
Technical field
The present invention relates to a kind ofly to be used for rock drilling equipment, especially for the device of changing the drill bit on the drilling rod.The invention still further relates to a kind of method that is used to change the described drill bit on the drilling rod.
Background technology
Tunnel excavation in the underground job and heading operation and construction activities need to use particularly suitable mining machine more and more.
Required drilling hole amount and length become with the cross sectional area and the rock type of tunnel or gallery in such operation.Current common use hydraulic drill rig carries out Drilling, and use in a large number extension rod or pipe be formed on the tip have interchangeable bit than long drill pipe.
After drill bit weares and teares gradually, must more change.Given drill bit operable Drilling amount before must changing depends on rock characteristic.When drill bit lost sharpness, its so-called drilling speed reduced.So the high production rate that realizes Drilling need be considered to change and/or the cost and the required time quantum of bit change more of abrasive drill again.
The replacing of drill bit is manually carried out usually, during operating cost and trouble.In addition, also can occur in the dangerous rock that falls easily, make operation not only time-consuming, but also dangerous or dangerous.Sometimes, the size of Drilling unit may make the operator be difficult to arrive the place of the bit change-over operation that must carry out from their normal operation position.
If drill bit can be changed automatically by means of the equipment of certain form, then be undoubtedly a kind of advantage.A kind of scheme that relates to automatic bit changer has appearred on the market.Manual US 3 976149 has quoted an example of so automatic bit changer.Verified, this bit changer described here has a lot of shortcomings, because comprise too many moving component, thereby can not bear the very rigorous environment of using it for a long time.
The purpose of this invention is to provide a kind of solution difficult technologies scheme as mentioned above.
Summary of the invention
One aspect of the present invention has proposed a kind of device with the described feature of claim 1.
Another aspect of the present invention appears in the method independent claims.
The further embodiment of the present invention describes in the dependent claims.
Have considerably less moving-member according to device of the present invention, this makes it easy use, firm and operation is reliable.It can allow strong collision and impact, and entail dangers to operating reliability not.
Undoubtedly, further advantage is, because the operator does not need the residing place of drill bit, the bit change-over operation became safer than in the past.Further advantages are, can collect the drill bit of using automatically, transmit for example to remove thereafter and grind.
Description of drawings
Fig. 1 schematic representation have the rig floor skeleton diagram of feed mechanism, a rig is mounted thereto, the circle expression be the setting position of in other accompanying drawing, being described.
Fig. 2 has described the phantom drawing that is loaded on the device of rig feed mechanism front end according to of the present invention, and the charging basket of the magazine that is used for drill bit of this device of being described and the drill bit that is used for more changing is in the position of decline.
Fig. 3 a and 3b have described the phantom drawing according to the device of Fig. 1, and magazine and the charging basket that links are in the position of rising.
Fig. 4 has described the phantom drawing of the clamping cylinder relevant with device among Fig. 1, and its remainder with device separates.
The specific embodiment
Below with reference to accompanying drawing several embodiments of the present invention have been described.
In Fig. 2, described the phantom drawing that is used for changing automatically this bit changer 1 of the drill bit 2 on the drilling rod according to of the present invention.Bit changer 1 is loaded on the front end of feed mechanism 3, and feed mechanism 3 supports the rock borer 4 that links to each other with drilling rod 5, as shown in Figure 2.Feed mechanism 3 itself can hingedly hang on the suspension rod 101 that is loaded on rig floor 100, as Fig. 1 shown in substantially.Bit changer 1 is configured in around the support 6, and support 6 is suitable for being connected in the front end of feed mechanism 3.
New or reground drill bit 2 with in upright arrangement, to be that linear fashion is predetermined be stored in the magazine 10, this means, the structure of magazine 10 strictly is similar to cuboid, wherein, one spring action is on drill bit 2, spring pushes away drill bit 2 towards an end of magazine 10, this means that magazine 10 is very similar to the employed the sort of straight magazine of machine gun.As a result, the short end at magazine constantly can transmit the drill bit 2 that a plurality of drill bits from be present in magazine 10 come out.When during the bit change-over when magazine extracts drill bit 2, another drill bit 2 (if having) directly occupies the position of vacateing under the effect of the spring that promotes to stay all drill bits 2 in the magazine 10 towards described short end.This is presented among Fig. 3 a.
Thus, charging basket 9 and magazine 10 link together by arm 8, form rotatable element, but are called pivoting member at this.In Fig. 3 a and 3b, but pivoting member be elevated, and against the front portion of support 6.On the contrary, in Fig. 2, but pivoting member drops to out of the way place during drilling, and is also protected preferably and avoid damaging.When but pivoting member was lifted, the interior substrate surface of charging basket 9 was against frame 11, and described frame 11 is loaded on the front portion of support, was preferably made by rubber, but it can certainly be made by other materials, for example steel.The outer substrate surface of charging basket 9 and interior substrate surface are equipped with the diameter centre bore bigger than drill bit 2, like this, can enter outer substrate surface, substrate surface in arriving from the drill bit of magazine 10.Hole in being connected in from charging basket 9 outward extending sleeves 13 on the substrate surface.When but pivoting member was lifted and leans against on the support 6, charging basket 9 was arranged on the center of drilling rod 5 axial directions by means of sleeve 13, and described sleeve 13 accommodated and be supported in the pit 12 on the frame 11, and described pit 12 is suitable for the size of sleeve 13.
One clamping device 14 is installed in internal stent.Clamping device 14 is used at bit change-over operating period clamping drilling rod 5 and corresponding drill bit 2.Clamping device 14 is depicted among Fig. 4 separately.
More the operation of bit change is as follows:
1) worn and torn, when the operator plans to change, discharged drill bit 2 when drill bit 2 from foot of hole.If impactor Churn drill and not rotating, the pressure of the drill that has drill bit be against rock, drill bit with bore between be threaded and can fluff.
2) rig 4 is withdrawn on the feed mechanism 3, and drill bit 2 can much not be projected into support 6 outsides at least.Drilling rod 5 clamped devices 14 are clamped firmly.Make drilling rod 5 with respect to rig 4 rotations, thereby make it to pull out against rig firmly.
3) but comprise that the pivoting member of charging basket and magazine is lifted on the frame 11, like this, sleeve 13 and the drill bit 2 that is positioned at delivering position in magazine 10 are axially aligned with drilling rod 5.
4) rig 4 further withdrawal on feed mechanism 3, like this, worn and torn drill bit 2 and clamping device 14 are in a straight line, and then drill bit 2 is clamped firmly by this clamping device.Rig 4 make drilling rod 5 with step 2) rotate on the opposite direction, thereby outward winding drill bit.
5) drilling rod 5 marches forward to, the drill bit 2 thereby promotion been has downwards has been worn and torn, and the latter falls into charging basket 9 like this.Shown the fallen drill bit 2 that worn and torn in charging basket 9 inside of Fig. 3 b.
6) drilling rod 5 continues to move forward, and runs into the drill bit of waiting for 2 that is in delivering position and axially aligns with drilling rod 5 in magazine 10.Rotary drill rod 5 tightens to the green bit in the magazine 10 on the drilling rod.
7) drilling rod 5 that has green bit 2 is withdrawn, and is within the bit changer 1 up to drill bit 2.
8) but comprise that the pivoting member of charging basket 9 and magazine 10 drops to the position of decline.
9) rig 4 is ready to green bit 2 probings.
During relevant drilling rod 5 moves axially in above-mentioned operation, must be able to control the axial location of drilling rod.This realizes by a lengthwise position sensor is set, and described lengthwise position sensor measurement drilling rod is with respect to the axial location of the fixed point on the feed mechanism 3, thereby makes the operator control the axial feed of drilling rod.Certainly, the rig floor that use has a control program not only can be used for relating to as mentioned above the various steps of bit change-over, and can detect and control the lengthwise movement for the treatment of with the drilling rod of bit change-over program form programming, described bit change-over program can be started by the operator, automatically performs the various orders of bit change-over operation thereafter.
According to this manual, bit changer 1 can take to be installed on the existing feed mechanism of selling on the market that is used for rig floor or with feed mechanism the form of separate unit integrally formed and that rig floor has obtained when supplying with.
Claims (10)
1. be used for changing automatically the device of the drill bit (2) on the drilling rod (5) of rig (4), described rig (4) is supported by feed mechanism (3), it is characterized in that this device comprises:
-be used to be anchored on the support (6) of the previous section of feed mechanism (3),
-being used for the magazine (10) of drill bit (2) and being used to collect the independent charging basket (9) of the drill bit (2) of replacing, this charging basket is attached to support,
-be used for during bit change (2) more, clamping firmly the clamping device (14) of drilling rod (5) and corresponding drill bit (2).
2. device as claimed in claim 1, wherein, magazine (10) and charging basket (9) link together, formation is suitable for the integrated component with respect to support (6) pivot, make this integrated component can take corresponding lifting and down position, but thus can be away from the previous section decline of feed mechanism (3) in the pivoting member of down position.
3. device as claimed in claim 1, wherein, described magazine is the magazine that is used for a untapped drill bit of row (2), next is fed to delivering position the spring force one of these drill bits (2) by acting on a described gang drill head.
4. device as claimed in claim 3, wherein, but when pivoting member was positioned at the lifting position, the drill bit (2) that is positioned at delivering position alignd with drilling rod (5).
5. be used for changing automatically the method for the drill bit of wearing and tearing (2) on the drilling rod (5) that belongs to rig (4), described rig (4) is positioned on the feed mechanism (3), and described feed mechanism (3) is provided with the described device of claim 2, and this method comprises the following steps:
-feed mechanism (3) makes drilling rod (5) withdrawal, and the feasible drill bit (2) that worn and torn is positioned on the clamping device (14)
-but pivoting member is raised to the previous section of feed mechanism (3),
-clamping device (14) clamps the drill bit (2) that worn and torn firmly,
-rig (4) rotary drill rod (5), the drill bit (2) that worn and torn is so outwarded winding,
-feed mechanism (3) marches forward to drilling rod (5), and like this, the drill bit (2) that worn and torn falls in the charging basket (9),
-further march forward to drilling rod (5), in it is resisted against magazine (10), be in the drill bit (2) of delivering position and align with this drill bit,
-rotary drill rod (5) tightens to new drilling rod (2) on the drilling rod (5) firmly,
-but pivoting member is descended and away from feed mechanism (3).
6. method as claimed in claim 5 also comprises the following steps:
-being clamped in firmly before clamping device (14) goes up at the drill bit that weares and teares (2), the drilling rod (5) of only withdrawing is positioned at the inner clamping device (14) of support (6) then and clamps drilling rod (5) firmly to making the drilling rod that weares and teares be positioned at degree on the support (6),
-rig (4) rotary drill rod (5) makes rig and drilling rod tighten firmly each other.
7. as right claim 5 or 6 described methods, comprise the steps:
-extracting drilling rod (5) out so that replacing has been worn and torn drill bit (2) before, when drill bit is still in boring, discharge drill bit from drilling rod (5) from boring.
8. method as claimed in claim 5 also comprises step:
-one length feed sensor detects the position of drilling rod (5) with respect to feed mechanism (3).
9. a data program product is characterized in that, each step as claimed in claim 5 is listed in the data program, according to described data program, and the replacing of control drill bit (2).
10. rock drilling machine that is equipped with feed mechanism (3), described feed mechanism (3) is provided with device as claimed in claim 1.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0602275-0 | 2006-10-30 | ||
| SE0602275A SE531726C2 (en) | 2006-10-30 | 2006-10-30 | Device and method for automatically replacing a drill bit on a drill rod as well as a computer program product and rock drilling rig provided with the device |
| SE06022750 | 2006-10-30 | ||
| PCT/SE2007/050709 WO2008054302A1 (en) | 2006-10-30 | 2007-10-04 | Bit changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101517190A true CN101517190A (en) | 2009-08-26 |
| CN101517190B CN101517190B (en) | 2012-02-22 |
Family
ID=39344545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800356584A Expired - Fee Related CN101517190B (en) | 2006-10-30 | 2007-10-04 | Bit changer |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2078133A4 (en) |
| CN (1) | CN101517190B (en) |
| AU (1) | AU2007314668B2 (en) |
| CA (1) | CA2667876C (en) |
| CL (1) | CL2007003139A1 (en) |
| NO (1) | NO20092124L (en) |
| SE (1) | SE531726C2 (en) |
| WO (1) | WO2008054302A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102639813A (en) * | 2010-01-29 | 2012-08-15 | 日立造船株式会社 | Bit-replacing device for excavator |
| CN106930692A (en) * | 2015-10-09 | 2017-07-07 | 山特维克矿山工程机械有限公司 | Drill wagon for jack hammer |
| CN108119070A (en) * | 2017-12-19 | 2018-06-05 | 北方爆破科技有限公司 | A kind of replacement DML teeth wheel drill rods operating method and its more exchange device |
| CN110036176A (en) * | 2016-11-29 | 2019-07-19 | 安百拓凿岩有限公司 | For installing the method, apparatus and retainer of drill bit |
| CN112135956A (en) * | 2018-05-21 | 2020-12-25 | 安百拓凿岩有限公司 | System for bit replacement in a drilling rig, drilling rig comprising such a system and method for bit replacement using such a system |
| CN112392412A (en) * | 2020-11-18 | 2021-02-23 | 衢州海西电子科技有限公司 | Drill bit replacing device and rock drill |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4169362B1 (en) * | 2008-01-31 | 2008-10-22 | 株式会社東洋ユニオン | Dry ice blasting equipment |
| FI121437B (en) * | 2008-06-23 | 2010-11-15 | Sandvik Mining & Constr Oy | Rock drilling unit, drill bit changer, and method for changing drill bit |
| FI121438B (en) * | 2008-06-23 | 2010-11-15 | Sandvik Mining & Constr Oy | Drill bit magazine, drill bit holder and method for changing drill bit in rock drilling machine |
| CN102787814A (en) * | 2012-08-29 | 2012-11-21 | 广西玉林悍牛工程机器有限公司 | Semi-automatic rod replacing device of hydraulic rock drilling rig |
| AU2017200871B2 (en) | 2016-02-12 | 2022-01-27 | Joy Global Surface Mining Inc | Bit change mechanism for a drill rig |
| CN107837110A (en) * | 2017-12-25 | 2018-03-27 | 芜湖锐进医疗设备有限公司 | A kind of multi-functional medical electric drill storing unit |
| EP4267830A2 (en) * | 2020-12-23 | 2023-11-01 | Epiroc Rock Drills Aktiebolag | Drill bit change in face drill rig |
| US11466522B2 (en) | 2021-01-29 | 2022-10-11 | Epiroc Drilling Solutions, Llc | Drilling tool changer apparatus |
| CN114293912B (en) * | 2021-12-31 | 2024-07-05 | 广东博智林机器人有限公司 | Automatic bit replacing device and drilling operation equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB407873A (en) * | 1933-08-12 | 1934-03-29 | Reginald Asline Bedford | A device for forcibly removing drills or other articles from their shafts |
| DE827187C (en) * | 1948-10-02 | 1953-11-26 | Friedrich Heinrich Flottmann F | Device for knocking off drill bits that can be slipped onto a drill shank |
| US3976149A (en) * | 1972-02-08 | 1976-08-24 | Linden-Alimak Ab | Rock drill equipment having a mechanized drill bit exchange |
| SE378877B (en) * | 1973-12-21 | 1975-09-15 | Atlas Copco Ab | |
| FI56575C (en) * | 1974-04-23 | 1980-02-11 | Tampella Oy Ab | ANORDING FOR THE PURPOSE OF BORK RONOR PAO EN BORRSTAONG |
| CN2120176U (en) * | 1991-11-13 | 1992-10-28 | 如东石油机械二厂 | Automatic threading-and-thread-off device for hydraulic kelly |
-
2006
- 2006-10-30 SE SE0602275A patent/SE531726C2/en not_active IP Right Cessation
-
2007
- 2007-10-04 CN CN2007800356584A patent/CN101517190B/en not_active Expired - Fee Related
- 2007-10-04 CA CA2667876A patent/CA2667876C/en not_active Expired - Fee Related
- 2007-10-04 AU AU2007314668A patent/AU2007314668B2/en not_active Ceased
- 2007-10-04 WO PCT/SE2007/050709 patent/WO2008054302A1/en active Application Filing
- 2007-10-04 EP EP07835294.5A patent/EP2078133A4/en not_active Withdrawn
- 2007-10-30 CL CL2007003139A patent/CL2007003139A1/en unknown
-
2009
- 2009-05-29 NO NO20092124A patent/NO20092124L/en not_active Application Discontinuation
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102639813A (en) * | 2010-01-29 | 2012-08-15 | 日立造船株式会社 | Bit-replacing device for excavator |
| CN102639813B (en) * | 2010-01-29 | 2014-05-21 | 日立造船株式会社 | Bit-replacing device for excavator |
| CN106930692A (en) * | 2015-10-09 | 2017-07-07 | 山特维克矿山工程机械有限公司 | Drill wagon for jack hammer |
| US10253566B2 (en) | 2015-10-09 | 2019-04-09 | Sandvik Mining And Construction Oy | Rock drilling rig |
| CN106930692B (en) * | 2015-10-09 | 2020-02-07 | 山特维克矿山工程机械有限公司 | Rock drilling rig |
| CN110036176A (en) * | 2016-11-29 | 2019-07-19 | 安百拓凿岩有限公司 | For installing the method, apparatus and retainer of drill bit |
| CN110036176B (en) * | 2016-11-29 | 2021-10-26 | 安百拓凿岩有限公司 | Method, device and holder for mounting a drill bit |
| CN108119070A (en) * | 2017-12-19 | 2018-06-05 | 北方爆破科技有限公司 | A kind of replacement DML teeth wheel drill rods operating method and its more exchange device |
| CN108119070B (en) * | 2017-12-19 | 2019-02-26 | 北方爆破科技有限公司 | A kind of replacement DML teeth wheel drill rod operating method and its more exchange device |
| CN112135956A (en) * | 2018-05-21 | 2020-12-25 | 安百拓凿岩有限公司 | System for bit replacement in a drilling rig, drilling rig comprising such a system and method for bit replacement using such a system |
| CN112392412A (en) * | 2020-11-18 | 2021-02-23 | 衢州海西电子科技有限公司 | Drill bit replacing device and rock drill |
| CN112392412B (en) * | 2020-11-18 | 2023-03-31 | 衢州海西电子科技有限公司 | Drill bit replacing device and rock drill |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20092124L (en) | 2009-05-29 |
| SE0602275L (en) | 2008-05-01 |
| AU2007314668A1 (en) | 2008-05-08 |
| AU2007314668B2 (en) | 2013-02-28 |
| CN101517190B (en) | 2012-02-22 |
| CA2667876A1 (en) | 2008-05-08 |
| SE531726C2 (en) | 2009-07-21 |
| CA2667876C (en) | 2014-12-02 |
| EP2078133A1 (en) | 2009-07-15 |
| CL2007003139A1 (en) | 2008-01-11 |
| EP2078133A4 (en) | 2015-09-16 |
| WO2008054302A1 (en) | 2008-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120222 Termination date: 20171004 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |