CN102536146A - Drilling bucket and rotary drilling rig - Google Patents
Drilling bucket and rotary drilling rig Download PDFInfo
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- CN102536146A CN102536146A CN2012100732509A CN201210073250A CN102536146A CN 102536146 A CN102536146 A CN 102536146A CN 2012100732509 A CN2012100732509 A CN 2012100732509A CN 201210073250 A CN201210073250 A CN 201210073250A CN 102536146 A CN102536146 A CN 102536146A
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Abstract
The invention discloses a drilling bucket and a rotary drilling rig. The drilling bucket comprises a drilling top, a torque transmission core bar connected with a drilling top, a first cylinder body and a second cylinder body, wherein the first cylinder body is used for drilling and expanding a soil layer; the second cylinder body is arranged above the first cylinder body, is connected with the drilling top, is used for accommodating residues and discharging residues and is communicated with the first cylinder body; the torque transmission core bar passes through the second cylinder body, is connected with the first cylinder body and is used for transferring the power of a power head of the rotary drilling rig to the second cylinder body; the first cylinder body comprises a conical cylinder; an opening is formed at the lower end of the conical cylinder, the diameter of the opening is smaller than that of the upper end of the conical cylinder, and drill teeth are arranged at the periphery of the opening; and extruding and expanding spirals are arranged on the outer surface of the conical cylinder. Aiming at the drilling of soft formations and particularly clay layers, the one-time drilling depth of the drilling bucket or the rotary drilling rig is larger, so that the drilling efficiency of the rotary drilling rig in the soft formations such as the clay layers and the like is improved.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of drilling bucket and have the rotary drilling rig of this drilling bucket.
Background technology
In recent years, along with the construction energetically of infrastructure such as China's speedway, high-speed railway, rotary drilling rig has obtained fast-developing and has used widely.China region is vast in territory, and geological form is different, though rotary drilling rig net drilling speed when argillic horizon creeps into is very fast, it is more shallow to be subject to the monobucket advanced depth, so the number of times that handling is bored too much causes the handling brill time longer, influences operating efficiency.
Bore deeply about 1 meter such as present 1.5 meters drilling bucket single, rotary drilling rig creeps into 1 meter required time 3-5 at the pure clay layer and gets final product about second; But the handling time of boring then needs 120 seconds-180 seconds after creeping into 1 meter, and creeping into 5 meters just needs 700 seconds to 1000 seconds, promptly about a quarter of an hour; Just can reach 5 meters drilling tool if we have a kind of monobucket once to bore deeply, can calculate the time, 5 meters pure 15-25 of creeping into get final product second, and single is carried brill needs 120-180 second, once bore just to reach 5 meters drilling tool deeply, just need get final product in 2 to 3 minutes altogether.That is to say that save the middle handling brill number of times handling brill time if we can improve the monobucket drilling depth, our efficiency of construction can access several times raising.
Therefore necessary design is a kind of to reduce handling brill number of times in the drilling process, gives full play to the high advantage of rotary drilling rig efficient especially to this dark bigger drilling tool of single brill than soft formation, improves the drilling efficiency of drilling tool and creeps into quality.
Summary of the invention
The rotary drilling rig that the objective of the invention is to propose a kind of drilling bucket and have this drilling bucket; Based on drilling bucket of the present invention or rotary drilling rig, to than soft formation, when particularly argillic horizon creeps into; Have bigger single bore dark, and then improve rotary drilling rig at argillic horizon etc. than the drilling efficiency in the soft formation.
First aspect the invention provides a kind of drilling bucket, is used for rotary drilling rig, comprises boring top and the torsion pass core bar that is connected with said brill top; It is characterized in that, also comprise first cylindrical shell and second cylindrical shell.Wherein, first cylindrical shell is used for soil layer is crept into squeezed; Second cylindrical shell is arranged at the top of said first cylindrical shell, and is connected with said brill top, is used for solid-holding and slag dumping, and said second cylindrical shell and said first cylindrical shell are communicated with; And said torsion pass core bar passes said second cylindrical shell and is connected with said first cylindrical shell, is used for transmission of power to said second cylindrical shell with rotary digging drill power head; Wherein, said first cylindrical shell comprises a conically shaped, and said conically shaped lower end offers opening, and the diameter of said opening is less than the diameter of said conically shaped upper end, and said around openings is provided with the brill tooth; And the external surface of said conically shaped also is provided with and squeezes wealthy spiral.
Preferably, in the above-mentioned drilling bucket, said second cylindrical shell is for opening body formula cylindrical shell, comprises the first half and the second half; And said the first half and the second half connect with said brill crown hinge respectively.
Preferably, in the above-mentioned drilling bucket, said the first half axial symmetries with said the second half these said second cylindrical shells of edge.
Preferably, in the above-mentioned drilling bucket, said first cylindrical shell also comprises a cylindrical drum; Said cylindrical drum is arranged between said second cylindrical shell and the said conically shaped, and is fixedly connected with said conically shaped; And the external surface of said cylindrical drum is provided with the guarantor footpath bar of a plurality of convexities.
Preferably, in the above-mentioned drilling bucket, the external surface of said second cylindrical shell also is provided with anti-ballistic opposite with said crowded wealthy rotary orientation.
Preferably, in the above-mentioned drilling bucket, in the cylindrical drum of said first cylindrical shell, be provided with a plurality of torsion pass gussets; Said torsion pass core bar passes said second cylindrical shell and is connected with said a plurality of torsion pass gussets.
Second aspect, the present invention also provides a kind of rotary drilling rig, comprises drilling rod and aforesaid drilling bucket, and said drilling bucket is connected with said drilling rod.
When work; The conically shaped upper end diameter of first cylindrical shell is near the size of the diameter that needs boring, and the conically shaped lower end diameter is less than upper end diameter, like this; First cylindrical shell is in drilling process, and the soil in the argillic horizon can (also be claimed " receipts cinder notch ") from the small-bore lower end of conically shaped and get into and receive slag; Simultaneously; Because working environment is softer argillic horizon; And the surface of conically shaped also is provided with crowded wealthy spiral; Should squeeze wealthy spiral and can the clay that the conically shaped lower end can not receive be squeezed wealthy arriving on the hole wall (diameter in this hole is near the conically shaped upper end diameter of first cylindrical shell or the diameter of second cylindrical shell) along the hand of spiral, and will form receipts slag limit, whole pore forming process limit like this and squeeze wealthy phenomenon.Thus, for drilling bucket of the prior art, when creeping into hole, the drilling depth of drilling bucket of the present invention will be the several times of drilling bucket actual height.Therefore, to than soft formation, when the present invention creeps at the weak soil layer, have bigger single bore dark, and then well improved rotary drilling rig at argillic horizon etc. than the drilling efficiency in the soft formation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 bores the perspective view of top, torsion pass core bar, second cylindrical shell in the preferred embodiment of drilling bucket of the present invention;
Fig. 2 is in the preferred embodiment of drilling bucket of the present invention, the perspective view of first cylindrical shell;
Fig. 3 is the perspective view of the preferred embodiment of drilling bucket of the present invention;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 gets rid of the sketch map of earthy attitude for Fig. 3 is in;
Fig. 6 is the operating principle sketch map of drilling bucket of the present invention.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Carry out detailed explanation in the face of preferred implementation of the present invention down.
Referring to figs. 1 through Fig. 3, the present embodiment drilling bucket is used for rotary drilling rig, is connected with drilling rod, comprises boring top 50 and the torsion pass core bar 40 that is connected with brill top 50; Also comprise first cylindrical shell 10 and second cylindrical shell 20.Wherein, first cylindrical shell 10 is used for soil layer is crept into squeezed; Second cylindrical shell 20 is arranged at the top of first cylindrical shell 10, and is connected with brill top 50, is used for solid-holding and slag dumping; Torsion pass core bar 40 passes second cylindrical shell 20 and is connected with first cylindrical shell 10, is used for transmission of power to the first cylindrical shell 10 with rotary digging drill power head; Wherein, first cylindrical shell 10 comprises a conically shaped 110, and conically shaped 110 lower ends offer opening, and the diameter of opening is less than the diameter of conically shaped 110 upper ends, and around openings is provided with the brill tooth; And the external surface of conically shaped 110 also is provided with and squeezes wealthy spiral 1101.
When work; Conically shaped 110 upper end diameter of first cylindrical shell 10 are near the size of the diameter that needs boring; And conically shaped 110 lower end diameter are less than upper end diameter; Like this, first cylindrical shell 10 is in drilling process, and the soil in the argillic horizon can (also be claimed " receipts cinder notch ") from conically shaped 110 small-bore lower ends and get into and receive slag; Simultaneously; Because working environment is softer argillic horizon; And the surface of conically shaped 110 also is provided with crowded wealthy spiral 1101; Should squeeze clay that wealthy spiral 1101 can not receive conically shaped 110 lower ends and squeeze wealthyly to hole wall (diameter in this hole near conically shaped 110 upper end diameter of first cylindrical shell 10 or the diameter of second cylindrical shell 20) along the hand of spiral, and will form whole pore forming process limit like this and receive the slag limit and squeeze wealthy phenomenon.
Such as; With reference to Fig. 6, beat outside diameter is the hole of 800mm (that is, conically shaped 110 upper end bores are near 800mm) diameter; Receipts cinder notch (conically shaped 110 lower end bores) under the design is 400mm; In the so whole pore forming process, the clay in the 400mm diameter range at center all can be eaten in the drilling bucket by the receipts cinder notch of centre, and 400mm then can be along with squeezed spiral is pressed against on the hole wall of cylindrical to this part clay in the middle of the 800mm.
Referring again to shown in Figure 6ly, in the actual drilling process, is the drilling bucket slag collecting area in the circle of middle A face, the clay B between slag collecting area A and the hole wall C can be under the effect of squeezed spiral by compacted to hole wall.Can simply do a calculating; If the drilling bucket height is 3 meters; The drilling bucket intracavity diameter is 0.700 meter (the drilling bucket intracavity diameter is slightly less than drilling diameter); Boring end receipts cinder notch is 0.400 meter, and drilling diameter is 0.800 meter, and the volume of drilling bucket inner chamber is π * 0.35m * 0.35m * 3m=0.3675 π cubic meter so; So actually bore dark theoretical value and should reach (drilling depth when just the drilling bucket inner chamber is received full slag, promptly the drilling bucket cavity volume is received cinder notch to receive the top of the slag long-pending divided by boring the end) 0.3675 π cubic meter ÷ (π * 0.2 meter * 0.2 meter)=9.1875 meters.That is to say; Utilize half so squeezed wammel deep drilling bucket, 3 meters high drilling buckets, theoretical single bores can reach 9 meters deeply; Number of times is bored in the handling that can reduce greatly like this in the work progress; Improve efficiency of construction, and the hole wall of half squeezed formation so also can effectively improve the intensity of pore-forming hole wall so simultaneously owing in the formation of pile process that hole wall is compacted is arranged.
This shows that because slag is received on squeezed limit, limit in the boring procedure, for drilling bucket of the prior art, the drilling depth of drilling bucket will be the several times of drilling bucket actual height when present embodiment creeps into hole.Therefore, to than soft formation, when present embodiment creeps at the weak soil layer, have bigger single bore dark, and then well improved rotary drilling rig at argillic horizon etc. than the drilling efficiency in the soft formation.
Need to prove; Every first cylindrical shell and second cylindrical shell of being provided with, and the diameter of conically shaped 110 upper ends of first cylindrical shell 10 is identical with second cylindrical shell 20; The diameter of conically shaped 110 lower ends is less than the diameter of conically shaped 110 upper ends; And the surface of conically shaped 110 also is provided with the technical scheme of squeezing wealthy spiral 1101, all is within protection scope of the present invention.The improvement of following technical scheme all is for further optimisation technique effect.
With reference to Fig. 5, in order further to optimize the technique effect of technique scheme, in this preferred embodiment, second cylindrical shell 20 is for opening body formula cylindrical shell, comprises along this drum shaft to the first half 210 of symmetry and the second half 220; And the first half 210 and the second half 220 are respectively with to bore top 50 hinged.
The benefit that second cylindrical shell 20 is opened the design of body formula is: get into certain depth at drilling bucket; After second cylindrical shell, 20 inner chambers are received the fully-jewelled slag; Need drilling bucket be proposed outside the hole, when the drilling bucket inner chamber is received outside the full slag drilling bucket proposition hole, at this moment; The design of the body formula of opening of second cylindrical shell 20 can be effectively throws away the boring mud of drilling bucket inner chamber, effectively improves slag dumping efficient.
In addition, with reference to Fig. 4, this preferred embodiment is for optimisation technique effect further, and first cylindrical shell 10 also comprises a cylindrical drum 120 (also can become " protecting the footpath tube ") except comprising conically shaped 110; Cylindrical drum 120 is arranged between second cylindrical shell 20 and the conically shaped 110, and is fixedly connected with conically shaped 110; And the external surface of cylindrical drum 120 is provided with the guarantor footpath bar 1201 of a plurality of convexities.
In the present embodiment; The effect of the guarantor footpath bar 1201 of cylindrical drum 120 and a plurality of convexities that are arranged at cylindrical drum 120 surfaces is; In the process of creeping into; The crowded wealthy spiral of conically shaped 110 with boring mud compacted to the hole wall after, can be further that boring mud is compacted at hole wall as the cylindrical drum 120 of protecting the footpath tube, form underground drilling accident to prevent that boring mud from overflowing to boring the top, top.
After guarantor footpath tube 120 is set, can also in cylindrical drum 120, be provided with a plurality of torsion pass gussets 1202; Said torsion pass core bar 40 passes said second cylindrical shell 20 and is connected with said a plurality of torsion pass gussets 1202.That is to say, realize the transmission of power of rotary digging drill power head in this way through the torsion pass core bar.
In addition, this preferred embodiment has also adopted following technological means that above-mentioned technique effect is further optimized, that is, also be provided with said at the external surface of second cylindrical shell 20 and squeeze opposite anti-ballistic 230 of wealthy spiral 1101 rotation directions.
The benefit that is provided with anti-ballistic 230 is that anti-ballistic 230 also can be continued pressed downward with unnecessary boring mud, prevents that better excessive 50 tops, brill top of arriving of boring mud from forming underground drilling accident.
In addition, need to prove that in the present embodiment, the length of each ingredient of drilling bucket and diameter all can be adjusted according to physical length, and core bar material, diameter also have the number of torsion pass gusset also can change according to situation; The kind and the quantity of boring tooth can adjust accordingly according to actual needs.
In sum, this preferred embodiment has following technique effect:
The first, single creeps into and is higher than drilling bucket height several times brill itself deeply, has solved in the work progress, and it is too much that number of times is bored in handling when creeping into softer bottom, influences the problem of efficiency of construction, improved efficiency of construction.
The second, installation is convenient, simple in structure, reliable, the characteristics that economy is strong.
Three, the first half is out second cylindrical shell of body formula, can effectively improve slag dumping efficient.
On the other hand, the present invention also provides a kind of rotary drilling rig, and this rotary drilling rig comprises drilling rod and aforesaid drilling bucket, and drilling bucket directly is connected with drilling rod.Because the structure of drilling bucket has been done detailed explanation in above-mentioned preferred embodiment, therefore, the present invention repeats no more at this.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a drilling bucket is used for rotary drilling rig, comprises boring top (50) and the torsion pass core bar (40) that is connected with said brill top (50);
It is characterized in that, also comprise:
First cylindrical shell (10) is used for soil layer is crept into squeezed; And
Second cylindrical shell (20) is arranged at the top of said first cylindrical shell (10), and is connected with said brill top (50), is used for solid-holding and slag dumping, said second cylindrical shell (20) and said first cylindrical shell (10) connection; And
Said torsion pass core bar (40) passes said second cylindrical shell (20) and is connected with said first cylindrical shell (10), is used for transmission of power to said first cylindrical shell (10) with rotary digging drill power head; Wherein
Said first cylindrical shell (10) comprises a conically shaped (110), and said conically shaped (110) lower end offers opening, and the diameter of said opening is less than the diameter of said conically shaped (110) upper end, and said around openings is provided with the brill tooth; And the external surface of said conically shaped (110) also is provided with and squeezes wealthy spiral (1101).
2. drilling bucket according to claim 1 is characterized in that,
Said second cylindrical shell (20) is for opening body formula cylindrical shell, comprises the first half (210) and the second half (220); And
Said the first half (210) and the second half (220) are hinged with said brill top (50) respectively.
3. drilling bucket according to claim 2 is characterized in that,
Said the first half (210) and said the second half (220) are axially symmetrical along this said second cylindrical shell (20).
4. according to each described drilling bucket in the claim 1 to 3, it is characterized in that,
Said first cylindrical shell (10) also comprises a cylindrical drum (120);
Said cylindrical drum (120) is arranged between said second cylindrical shell (20) and the said conically shaped (110), and is fixedly connected with said conically shaped (110); And
The external surface of said cylindrical drum (120) is provided with the guarantor footpath bar (1201) of a plurality of convexities.
5. drilling bucket according to claim 2 is characterized in that,
The external surface of said second cylindrical shell (20) also is provided with and said anti-ballistic opposite (230) of wealthy spiral (1101) rotation direction of squeezing.
6. drilling bucket according to claim 4 is characterized in that,
In the cylindrical drum (120) of said first cylindrical shell (10), be provided with a plurality of torsion pass gussets (1202);
Said torsion pass core bar (40) passes said second cylindrical shell (20) and is connected with said a plurality of torsion pass gussets (1202).
7. a rotary drilling rig comprises drilling rod, it is characterized in that, also comprises: like each described drilling bucket in the claim 1 to 6, said drilling bucket is connected with said drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100732509A CN102536146A (en) | 2012-03-19 | 2012-03-19 | Drilling bucket and rotary drilling rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100732509A CN102536146A (en) | 2012-03-19 | 2012-03-19 | Drilling bucket and rotary drilling rig |
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| CN102536146A true CN102536146A (en) | 2012-07-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382827A (en) * | 2013-07-01 | 2013-11-06 | 北京市三一重机有限公司 | Drilling bucket and rotary drilling rig |
| CN103470189A (en) * | 2013-08-29 | 2013-12-25 | 北京市三一重机有限公司 | Body-open type drilling bucket and rotary drilling rig |
| CN106564751A (en) * | 2016-09-22 | 2017-04-19 | 杜忠华 | Handgrip mechanism |
| CN114458170A (en) * | 2022-04-12 | 2022-05-10 | 石家庄创申建筑装饰工程有限公司 | Highway engineering road surface drilling system |
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| CN87207346U (en) * | 1987-07-28 | 1988-03-09 | 陈士华 | Rotary drilling machine |
| RU2234586C1 (en) * | 2003-03-28 | 2004-08-20 | Воробьев Владимир Николаевич | Auger drill core |
| CN200952353Y (en) * | 2006-04-24 | 2007-09-26 | 阎冠欣 | Steel body type diamond composite sheet drill bit body |
| CN101858199A (en) * | 2010-05-20 | 2010-10-13 | 中冶建筑研究总院有限公司 | Soil extrusion amount controllable bidirectional spiral extruding and expanding drill |
| CN201635662U (en) * | 2010-04-14 | 2010-11-17 | 方远建设集团股份有限公司 | Combined drill bit used for cast-in place pile |
| CN102312427A (en) * | 2011-04-26 | 2012-01-11 | 王庆伟 | Half soil squeezing screw expansion pile forming method |
| CN202125269U (en) * | 2011-05-10 | 2012-01-25 | 北京市三一重机有限公司 | Rotary drilling rig and drilling tool of rotary drilling rig |
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- 2012-03-19 CN CN2012100732509A patent/CN102536146A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1163923A (en) * | 1966-03-14 | 1969-09-10 | Hydraulic Drilling Equipment L | Drilling Equipment for Earth Drilling |
| CN87207346U (en) * | 1987-07-28 | 1988-03-09 | 陈士华 | Rotary drilling machine |
| RU2234586C1 (en) * | 2003-03-28 | 2004-08-20 | Воробьев Владимир Николаевич | Auger drill core |
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| CN201635662U (en) * | 2010-04-14 | 2010-11-17 | 方远建设集团股份有限公司 | Combined drill bit used for cast-in place pile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382827A (en) * | 2013-07-01 | 2013-11-06 | 北京市三一重机有限公司 | Drilling bucket and rotary drilling rig |
| CN103470189A (en) * | 2013-08-29 | 2013-12-25 | 北京市三一重机有限公司 | Body-open type drilling bucket and rotary drilling rig |
| CN103470189B (en) * | 2013-08-29 | 2017-01-25 | 北京市三一重机有限公司 | Body-open type drilling bucket and rotary drilling rig |
| CN106564751A (en) * | 2016-09-22 | 2017-04-19 | 杜忠华 | Handgrip mechanism |
| CN114458170A (en) * | 2022-04-12 | 2022-05-10 | 石家庄创申建筑装饰工程有限公司 | Highway engineering road surface drilling system |
| CN114458170B (en) * | 2022-04-12 | 2022-07-01 | 石家庄创申建筑装饰工程有限公司 | Highway engineering road surface drilling system |
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Application publication date: 20120704 |