CN107060651A - A kind of disposable foundation pile drill bit and preparation method thereof - Google Patents
A kind of disposable foundation pile drill bit and preparation method thereof Download PDFInfo
- Publication number
- CN107060651A CN107060651A CN201710207449.9A CN201710207449A CN107060651A CN 107060651 A CN107060651 A CN 107060651A CN 201710207449 A CN201710207449 A CN 201710207449A CN 107060651 A CN107060651 A CN 107060651A
- Authority
- CN
- China
- Prior art keywords
- gear wheel
- tooth
- tooth pawl
- drill bit
- foundation pile
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of disposable foundation pile drill bit, including, three shapes are identical, can be spliced into the overall tooth pawl of a spindle-type；Also include being separately positioned on the first gear wheel, the second gear wheel and the 3rd gear wheel on three tooth pawls；The tooth pawl includes main part and connecting portion, and the cross section of the main part is double side arc shaped sector, and the middle axle shape for carrying connecting hole is formed after the main part splicing of three tooth pawls；A kind of preparation method of disposable foundation pile drill bit, first gear wheel, the second gear wheel, the 3rd gear wheel and tooth pawl select 35CrMo steel, pass through waterglass casting, cast out semi-finished product, semi-finished product are carried out rough turn, then it is heat-treated, integral hardness is reached 40 45 (HRC), then carries out numerically controlled lathe smart car.The present invention is according to specific requirement of engineering and machining cost, drill bit blank is obtained using casting technique, the steel of specific materials (35CrMo) is reached that hardness 40 45 (HRC) obtains optimum cost benefit by heat treatment, the present invention has perfectly been adapted to this disposable foundation pile and grouting process.
Description
Technical field
The present invention relates to field of drill, more particularly to a kind of disposable foundation pile drill bit and preparation method thereof.
Background technology
Processing and the export trade of drilling bit did since 2009 in my company, one drill bit whole seller of certain state from
Start within 2012 the waste and old mill teeth tricone bit that buying is repaired, purchase quantity is huge, we are this always from domestic market
Client purchases waste and old mill teeth tricone bit, and the client is supplied to after being repaired according to customer requirement.But with petroleum industry
Engineering quantity is reduced, and waste and old tricone bit quantity is fewer and fewer, adds being in great demand for client, waste and old tricone bit
Gradually supply falls short of demand in buying.
Because this drill bit is used on a kind of small-sized foundation pile for building, drill bit is not by being threadedly coupled on drilling rod
, but drilling rod, drill bit are welded together, each base pile hole is crept into after 15-20 meters of soft rock, passes through drill pipe bore cementing
Slurry, cement mortar is flowed out from the spray orifice of drill bit so as to fill whole stake holes, and after slip casting solidification, drilling rod can play a part of reinforcing bar,
And drill bit is eternal after this boring work is completed has stayed in foundation pile bottom.Because drill bit has always remained in foundation pile bottom, no
It can be drilled behind a hole and reuse, belong to disposable drill bit, so the procurement price of this drill bit is to be difficult to rise up.
In consideration of it, my company is determined, a kind of new product of research and development is come the waste and old rock bit before replacing, and this new product is needed
Meet two aspects：1. it is capable of the soft rock drilling work of efficient 15-20 meters of completion；2. cost is low.
The content of the invention
It is an object of the invention to provide a kind of disposable foundation pile drill bit and preparation method thereof, solution there are currently no disposable base
Stake drill bit, and conventional method produces the problem of disposable foundation pile drill bit manufacturing cost is high.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of disposable foundation pile drill bit of the present invention, including,
Three shapes are identical, can be spliced into the overall tooth pawl of a spindle-type；The tooth pawl includes main part and connecting portion, institute
The cross section for stating main part is double side arc shaped sector, and the middle axle for carrying connecting hole is formed after the main part splicing of three tooth pawls
Shape；
It is arranged on the first gear wheel on first tooth pawl；First gear wheel is rotatably connected with tooth pawl, forms the
One cone palm；
It is arranged on the second gear wheel on second tooth pawl；Second gear wheel is rotatably connected with tooth pawl, forms the
Two cone palms；
It is arranged on the 3rd gear wheel on the 3rd tooth pawl；3rd gear wheel is rotatably connected with tooth pawl, forms the
Three cone palms；
After the completion of three tooth pawls splicings, first gear wheel, the second gear wheel and the 3rd gear wheel are towards same axis.
Further, ball neck is offered on the connecting portion；First gear wheel, the second gear wheel and the 3rd gear wheel
The secondary groove of the ball coordinated with the ball neck is provided with interior axis hole；First gear wheel, the second gear wheel and the 3rd gear wheel are logical
Cross ball to be fastened in the ball neck and the secondary groove of ball, realization is rotatably connected with the tooth pawl.
Further, first gear wheel includes the first teeth, the second teeth and the 3rd teeth set by different level.
Further, second gear wheel includes the 4th teeth, the 5th teeth and the 6th teeth set by different level.
Further, the 3rd gear wheel includes the 7th teeth, octadentate tooth and the 9th teeth set by different level.
Further, three tooth pawls are welded to connect as an entirety.
A kind of preparation method of disposable foundation pile drill bit,
First gear wheel, the second gear wheel and the 3rd gear wheel select 35CrMo steel, by waterglass casting, cast out half into
Product, semi-finished product are carried out rough turn, are then heat-treated, gear wheel integral hardness reaches 40-45 (HRC), then carries out numerical control lathe
Bed smart car；
Tooth pawl selects 35CrMo steel, by waterglass casting, casts out semi-finished product, processing and fabricating falls shot wad pin-and-hole,
Semi-finished product are carried out rough turn, be then heat-treated, tooth pawl integral hardness reaches 40-45 (HRC), then carry out numerically controlled lathe essence
Car；
Lithium saponify is smeared in the connecting portion of tooth pawl, the interior axis hole of the first gear wheel, the second gear wheel and the 3rd gear wheel smears lithium base
Fat, will assemble rubber seal in gear wheel bearing outside left, tooth pawl will be connected with gear wheel, ball is blocked by falling shot wad pin-and-hole
Gear wheel and tooth pawl, seal shot wad pin-and-hole, welding using plug pin and seal, complete the first cone palm, the second cone palm and the 3rd tooth
Take turns the making of the palm.
The first cone palm, the second cone palm and the 3rd cone palm are welded together by frock, finished product is assembled into.
Compared with prior art, advantageous effects of the invention are as follows：
The present invention is spliced into the axle shape of an entirety using three shape identical tooth pawls, for connecting with outside rotary shaft
Connect, drive it to rotate, structure is more stablized, more adapt to the disposable of foundation pile；Rotationally connect respectively on three tooth pawls
Different gear wheels are connected to, more efficient is crushed to rock；The present invention is according to specific requirement of engineering and machining cost, using casting
Make technique and obtain drill bit blank, the steel of specific materials (35CrMo) is reached that hardness 40-45 (HRC) is obtained most by heat treatment
Good cost benefit, makes the present invention perfectly adapt to this disposable foundation pile and grouting process.
Brief description of the drawings
The invention will be further described for explanation below in conjunction with the accompanying drawings.
Fig. 1 is the first cone structure schematic diagram of the invention；
Fig. 2 is the second cone structure schematic diagram of the invention；
Fig. 3 is the 3rd cone structure schematic diagram of the invention；
Fig. 4 is tooth pawl structural representation of the invention；
Fig. 5 is the first cone palm structural representation of the invention；
Fig. 6 is the second cone palm structural representation of the invention；
Fig. 7 is the 3rd cone structure schematic diagram of the invention；
Fig. 8 is front view of the present invention；
Fig. 9 is axonometric drawing of the present invention；
Description of reference numerals：1st, tooth pawl；101st, main part；102nd, connecting portion；103rd, connecting hole；2nd, the first gear wheel；201、
First teeth；202nd, the second teeth；203rd, the 3rd teeth；3rd, the second gear wheel；301st, the 4th teeth；302nd, the 5th teeth；303、
6th teeth；4th, the 3rd gear wheel；401st, the 7th teeth；402nd, octadentate tooth；403rd, the 9th teeth；5th, the first cone palm；6th,
Two cone palms；7th, the 3rd cone palm；8th, ball neck.
Embodiment
As shown in figs 1-9, a kind of disposable foundation pile drill bit, including three shapes are identical that to can be spliced into spindle-type overall
Tooth pawl 1, in addition to the first gear wheel 2, the second gear wheel 3 and the 3rd gear wheel 4.The tooth pawl 1 includes main part 101 and connecting portion 102,
The cross section of the main part 101 is double side arc shaped sector, and the main part 101 of three tooth pawls 1 forms middle carry after splicing
The axle shape (referring to Fig. 9) of connecting hole 103.Ball neck 8 is offered on the connecting portion 102；First gear wheel 2, the second tooth
The secondary groove (not shown) of the ball coordinated with the ball neck 8 is offered in the interior axis hole of the gear wheel 4 of wheel 3 and the 3rd.It is described
First gear wheel 2, the second gear wheel 3 and the 3rd gear wheel 4 are fastened in the secondary groove of the ball neck 8 and ball by ball, realize with
The tooth pawl 1 is rotatably connected, specifically, offered on tooth pawl lead to ball neck 8 fall shot wad pin-and-hole, by the first gear wheel
2nd, after the second gear wheel 3 and the 3rd gear wheel 4 coordinate with tooth pawl, filled in by falling shot wad pin-and-hole into ball neck 8 and the secondary groove of ball
Ball, blocks gear wheel and tooth pawl, then seals shot wad pin-and-hole using plug pin, and welding is sealed, and completes the first gear wheel 2, the second tooth
The gear wheel 4 of wheel 3 and the 3rd is rotatably connected with tooth pawl.
First gear wheel 2 is arranged on first tooth pawl 1, forms the first cone palm 5.Second gear wheel 3 is arranged on second
On the individual tooth pawl 1, the second cone palm 6 is formed.3rd gear wheel 4 is arranged on the 3rd tooth pawl 1, forms the 3rd cone palm
7.Three cone palms are welded as a whole, wherein first gear wheel 2, the second gear wheel 3 and the 3rd gear wheel 4 are towards same
Axis.The present invention completed will be welded when using to connect on the rotating shaft by connecting hole, drive this drill bit to rotate by rotary shaft,
Complete the rubbing of soft rock, get into the cave.
Wherein more specifically, first gear wheel 2 includes the first teeth 201, the and of the second teeth 202 set by different level
3rd teeth 203.Second gear wheel 3 includes the 4th teeth 301, the 5th teeth 302 and the 6th teeth set by different level
303.3rd gear wheel 4 includes the 7th teeth 401, the teeth 403 of octadentate tooth 402 and the 9th set by different level.Send out this
The bright rubbing to soft rock is more thorough, more efficient.
A kind of disposable industrial tricone bit of foundation pile drill bit conventional petroleum is welded together by three cone palm pieces, so
Go out connection screw thread with lathe process afterwards, cone palm piece is made up of tooth pawl and gear wheel, steel are forging, material is mainly MnNiMo special
Plant steel.If we analyze and this disposable foundation pile drill bit is done with forging steel, cost can be very high, far beyond
Budget.Eliminate after using forging steel as raw material, sight is invested casting steel by we.By analyze formation hardness,
The factors such as the loss of workload and lathe process cutter are crept into, by testing and testing repeatedly, it has been found that use 35CrMo
Steel are cast as raw material, and adjust fat technique that the hardness of finished product is transferred to Rockwell hardness 40-45 by being heat-treated, in this hardness
Under both can guarantee that drill bit complete anticipated workload and also be unlikely to because hardness too it is high cause machining on high energy consumption.Then, pass through
The effort of half a year is crossed, first disposable foundation pile drill bit is born in our factory.This is a new product, and we are never before this
Have in global industry and seen in exhibition, heard similar products, also without this drill bit in Chinese market, because
China is also without this disposable foundation pile and grouting process.
A kind of preparation method of disposable foundation pile drill bit, the first gear wheel described above, the second gear wheel and the 3rd gear wheel are selected
35CrMo steel, by waterglass casting, cast out semi-finished product, semi-finished product are carried out rough turn, are then heat-treated, gear wheel
Integral hardness reaches 40-45 (HRC), then carries out numerically controlled lathe smart car.
Tooth pawl selects 35CrMo steel, by waterglass casting, casts out semi-finished product, processing and fabricating falls shot wad pin-and-hole,
Semi-finished product are carried out rough turn, be then heat-treated, tooth pawl integral hardness reaches 40-45 (HRC), then carry out numerically controlled lathe essence
Car.
Lithium saponify is smeared in the connecting portion of tooth pawl, the interior axis hole of the first gear wheel, the second gear wheel and the 3rd gear wheel smears lithium base
Fat, will assemble rubber seal in gear wheel bearing outside left, tooth pawl will be connected with gear wheel, ball is blocked by falling shot wad pin-and-hole
Gear wheel and tooth pawl, seal shot wad pin-and-hole, welding using plug pin and seal, complete the first cone palm, the second cone palm and the 3rd tooth
Take turns the making of the palm.
The first cone palm, the second cone palm and the 3rd cone palm are welded together by frock, finished product is assembled into.
This method employs the casting steel of low cost, and this is creative in the selection of tricone bit raw material, passes through heat
Processing makes steel reach certain degree of hardness, can either creep into 15-20 meters of soft rock, this hardness is unlikely to cause machine to add firmly very much again
The high energy consumption of work, obtains optimum cost benefit, it is to avoid high cost.Make it is of the invention perfect adapted to this disposable foundation pile and
Grouting process.
Embodiment described above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is carried out
Limit, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make to technical scheme
Various modifications and improvement, all should fall into claims of the present invention determination protection domain in.
Claims (7)
1. a kind of disposable foundation pile drill bit, it is characterised in that：Including,
Three shapes are identical, can be spliced into the overall tooth pawl (1) of a spindle-type；The tooth pawl (1) includes main part (101) and connected
Socket part (102), the cross section of the main part (101) is double side arc shaped sector, and the main part (101) of three tooth pawls (1) is spelled
The axle shape of connecting hole (103) is carried in the middle of being formed after connecing；
It is arranged on the first gear wheel (2) on first tooth pawl (1)；First gear wheel (2) rotatably connects with tooth pawl (1)
Connect, form the first cone palm (5)；
It is arranged on the second gear wheel (3) on second tooth pawl (1)；Second gear wheel (3) rotatably connects with tooth pawl (1)
Connect, form the second cone palm (6)；
It is arranged on the 3rd gear wheel (4) on the 3rd tooth pawl (1)；3rd gear wheel (4) rotatably connects with tooth pawl (1)
Connect, form the 3rd cone palm (7)；
After the completion of three tooth pawl (1) splicings, first gear wheel (2), the second gear wheel (3) and the 3rd gear wheel (4) are towards together
One axis.
2. disposable foundation pile drill bit according to claim 1, it is characterised in that：Rolling is offered on the connecting portion (102)
Pearl neck (8)；It is provided with and the ball in the interior axis hole of first gear wheel (2), the second gear wheel (3) and the 3rd gear wheel (4)
The secondary groove of ball that neck (8) coordinates；First gear wheel (2), the second gear wheel (3) and the 3rd gear wheel (4) are fastened on by ball
In the ball neck (8) and the secondary groove of ball, realization is rotatably connected with tooth pawl (1).
3. disposable foundation pile drill bit according to claim 1, it is characterised in that：First gear wheel (2) is included by different level
The first teeth (201), the second teeth (202) and the 3rd teeth (203) set.
4. disposable foundation pile drill bit according to claim 1, it is characterised in that：Second gear wheel (3) is included by different level
The 4th teeth (301), the 5th teeth (302) and the 6th teeth (303) set.
5. disposable foundation pile drill bit according to claim 1, it is characterised in that：3rd gear wheel (4) is included by different level
The 7th teeth (401), octadentate tooth (402) and the 9th teeth (403) set.
6. disposable foundation pile drill bit according to claim 1, it is characterised in that：Three tooth pawls (1) be welded to connect for
One entirety.
7. a kind of preparation method of disposable foundation pile drill bit, it is characterised in that：
First gear wheel, the second gear wheel and the 3rd gear wheel select 35CrMo steel, by waterglass casting, cast out semi-finished product,
Semi-finished product are carried out rough turn, be then heat-treated, gear wheel integral hardness reaches 40-45 (HRC), then carry out numerically controlled lathe essence
Car；
Tooth pawl selects 35CrMo steel, by waterglass casting, casts out semi-finished product, and processing and fabricating falls shot wad pin-and-hole, will be partly
Finished product progress is rough turn, is then heat-treated, tooth pawl integral hardness reaches 40-45 (HRC), then carries out numerically controlled lathe smart car；
Lithium saponify is smeared in the connecting portion of tooth pawl, the interior axis hole of the first gear wheel, the second gear wheel and the 3rd gear wheel smears lithium saponify, will
Rubber seal is assembled in gear wheel bearing outside left, tooth pawl is connected with gear wheel, ball blocks gear wheel by falling shot wad pin-and-hole
With tooth pawl, seal shot wad pin-and-hole, welding using plug pin and seal, complete the first cone palm, the second cone palm and the 3rd cone palm
Making.
The first cone palm, the second cone palm and the 3rd cone palm are welded together by frock, finished product is assembled into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207449.9A CN107060651B (en) | 2017-03-31 | 2017-03-31 | Disposable foundation pile drill bit and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710207449.9A CN107060651B (en) | 2017-03-31 | 2017-03-31 | Disposable foundation pile drill bit and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060651A true CN107060651A (en) | 2017-08-18 |
| CN107060651B CN107060651B (en) | 2020-06-02 |
Family
ID=59601443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710207449.9A Active CN107060651B (en) | 2017-03-31 | 2017-03-31 | Disposable foundation pile drill bit and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
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| CN2780972Y (en) * | 2004-06-25 | 2006-05-17 | 四川石油管理局成都总机械厂 | Rolling composite bearing structure of tri-cone rotary drill bit |
| CN2906027Y (en) * | 2006-06-01 | 2007-05-30 | 江汉石油钻头股份有限公司 | Three roller bit with different shifting axle bases |
| CN201372724Y (en) * | 2009-03-18 | 2009-12-30 | 中国石油天然气股份有限公司 | Roller cone bits with grouped unequal space tooth arrangement |
| US20100276209A1 (en) * | 2009-05-04 | 2010-11-04 | Smith International, Inc. | Roller Cones, Methods of Manufacturing Such Roller Cones, and Drill Bits Incorporating Such Roller Cones |
| CN103032027A (en) * | 2012-11-24 | 2013-04-10 | 李荟敏 | Roller bit and manufacturing method thereof |
| CN204738750U (en) * | 2015-07-16 | 2015-11-04 | 南昌鑫泉机械科技有限公司 | Roller bit claw point structure |
| CN205840789U (en) * | 2016-08-09 | 2016-12-28 | 河北斯利德石油机械有限公司 | A kind of all standing type cone palm sheet |
| CN206608109U (en) * | 2017-03-31 | 2017-11-03 | 张艳海 | A kind of disposable foundation pile drill bit |
-
2017
- 2017-03-31 CN CN201710207449.9A patent/CN107060651B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2355094Y (en) * | 1998-05-18 | 1999-12-22 | 西南石油学院 | Disc roller cone bits |
| CN2592842Y (en) * | 2002-12-24 | 2003-12-17 | 徐学礼 | Tri-cone rotary drill bit |
| CN2780972Y (en) * | 2004-06-25 | 2006-05-17 | 四川石油管理局成都总机械厂 | Rolling composite bearing structure of tri-cone rotary drill bit |
| CN2906027Y (en) * | 2006-06-01 | 2007-05-30 | 江汉石油钻头股份有限公司 | Three roller bit with different shifting axle bases |
| CN201372724Y (en) * | 2009-03-18 | 2009-12-30 | 中国石油天然气股份有限公司 | Roller cone bits with grouped unequal space tooth arrangement |
| US20100276209A1 (en) * | 2009-05-04 | 2010-11-04 | Smith International, Inc. | Roller Cones, Methods of Manufacturing Such Roller Cones, and Drill Bits Incorporating Such Roller Cones |
| CN103032027A (en) * | 2012-11-24 | 2013-04-10 | 李荟敏 | Roller bit and manufacturing method thereof |
| CN204738750U (en) * | 2015-07-16 | 2015-11-04 | 南昌鑫泉机械科技有限公司 | Roller bit claw point structure |
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| CN206608109U (en) * | 2017-03-31 | 2017-11-03 | 张艳海 | A kind of disposable foundation pile drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107060651B (en) | 2020-06-02 |
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Inventor after: Zhang Yanhai Inventor after: Qiu Hongxu Inventor before: Zhang Yanhai |
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Effective date of registration: 20211112 Address after: 061000 319-324, F1 District, Shijing Road, Yingzhou Town, Hejian City, Cangzhou City, Hebei Province Patentee after: Hebei silide Petroleum Machinery Co., Ltd Address before: 062450 No. 0738, Junzi Guan Village, Xicun Township, Hejian City, Cangzhou City, Hebei Province Patentee before: Zhang Yanhai |