CN202370432U - Rotary drilling tool and rotary drilling machine with the same - Google Patents
Rotary drilling tool and rotary drilling machine with the same Download PDFInfo
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- CN202370432U CN202370432U CN 201120293852 CN201120293852U CN202370432U CN 202370432 U CN202370432 U CN 202370432U CN 201120293852 CN201120293852 CN 201120293852 CN 201120293852 U CN201120293852 U CN 201120293852U CN 202370432 U CN202370432 U CN 202370432U
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Abstract
The utility model provides a rotary drilling tool and a rotary drilling machine with the same, wherein, the rotary drilling tool comprises the following components: a drilling tool top, a cylinder which is equipped below the drilling tool top, a conical drilling tool body which is equipped below the cylinder, and a fixed base which is equipped below the conical drilling tool body. An external surface of the conical drilling tool body is provided with a spiral blade. The fixed base comprises a base plate, a cover plate and a central cone which are successively connected. The base plate is provided with at least one gap. A bottom surface of the base plate is provided with at least one drill tooth correspondingly to each gap. Each drill tooth extends to a corresponding gap. The rotary drilling tool realizes removal of backfill clay into the conical drill body when squeezes the soil. The rotary drilling tool is suitable for direct drilling of backfill clay, loose backfill soil and sandy soil and simultaneously improves hole wall stability.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of rotary drilling rig that digs drilling tool and have it that revolves.
Background technology
Flourish along with China's infrastructure construction and construction technology thereof, rotary drilling rig is more and more obvious in the efficient and the reliability of the construction of various stratum, and its ratio shared in the construction of pile foundation is increasing.Backfill stratum and sand layer are more common a kind of stratum, and the bad conditions such as hole because collapsing appears in series of factors such as underground water easily of constructing easily on this stratum particularly on the stratum of loose backfill and loosening sand, show more obvious.Rotary drilling rig is on this type of stratum during construction, in the face of the more rich stake of underground water hole, usually adopts allotment premium mud and backfill clay as required, utilizes the method for quiet slurry retaining wall to realize.For dry hole, it is that a kind of cost is lower that backfill clay, pressurization counter-rotating clay make hole wall stable, a kind of preferably method of effect.But the method for this configuration mud and backfill clay has its drawback.Mainly be to dig drilling tool because after the backfill clay, need to adopt routine to revolve; Utilize the method for rig pressurization counter-rotating to realize retaining wall; The clay major part that can cause backfill is down squeezed, and the clay that presses to hole wall is then less, and when creeping into once more; Need most of clay is pulled out, greatly reduce the service efficiency of clay.
Number of patent application is CN200720103635; The document that name is called " bidirectional helix closed extruding expanding drilling tool " disclose a kind of can be under various geological conditionss the bidirectional helix closed extruding of construction operation expand to revolve and dig drilling tool; Utilize its creep into and carry when boring two-way that the soil body in the former stake hole is squeezed in the sidewall in stake hole, make stake week soil with the compacted degree of the stake end regolith considerably beyond existing non-crowded soil stake with squeeze the degree that native pile driving construction can reach.This patent can realize squeezing native function, but the operation that need fetch earth in addition, operating efficiency is not high.
The utility model content
In order to overcome the above-mentioned defective and the deficiency of prior art; First purpose of the utility model is to provide a kind of soil that squeezes synchronously to dig drilling tool with the revolving of operation of fetching earth; Comprise: bore the top, be installed in the cylindrical shell that bores the below, top, be installed in the taper drill body of cylindrical shell below and be installed in the fixedly end of taper drill body below; The external surface of taper drill body is provided with helical blade, and fixedly the end comprises base plate, cover plate and the center cone that connects successively; At least one breach is set on the base plate, and corresponding each breach is provided with at least one and bores tooth on the bottom surface of base plate, and each bores tooth and extends to corresponding breach.
Further, revolve and dig drilling tool and also comprise; At least one that is arranged on the barrel outer surface protected the footpath bar.
Further, at least one guarantor footpath bar is an elastic construction.
Further, helical blade is provided with at least one brill tooth near the position of center cone.
Further, the brill of at least one on helical blade tooth is the BK-47 tooth.
Further, revolve and dig drilling tool and comprise that also at least one squeezes native plate, each squeezes native plate and is arranged at the movable end and helical blade of taper drill body.
Further, revolve and dig drilling tool and also comprise: be arranged on the release mechanism that bores on top and the cylindrical shell, with the hook of release mechanism mating reaction; Hook is used to connect cylindrical shell and taper drill body.
Further, the quantity of breach is two, and corresponding each breach is provided with two brill teeth.
Further, the brill tooth of corresponding each breach is the V19 tooth.
Second purpose of the utility model is a kind of above-mentioned rotary drilling rig that digs drilling tool that revolves that has.
The utility model embodiment is when squeezing soil through helical blade; Through breach and the corresponding brill tooth that on the floor at the fixing end, is provided with; Realization is taken out to backfill clay etc. in the taper drill body; Be applicable to directly the creeping into of backfill clay, loose plain backfill and sand, improve wall stability simultaneously.
Description of drawings
Fig. 1 .1 is that the utility model bores the fixedly structural representation of end embodiment at the end;
Fig. 1 .2 and Fig. 1 .3 are respectively structure shown in Fig. 1 .1 corresponding vertical view and upward view;
Fig. 2 .1 is the structural representation of taper drill body;
Fig. 2 .2, Fig. 2 .3 and Fig. 2 .4 are respectively structure shown in Fig. 2 .1 corresponding vertical view, elevation and right view;
Fig. 3 .1 is the structural representation that the utility model bores end embodiment;
Fig. 3 .2, Fig. 3 .3 and Fig. 3 .4 are respectively the corresponding vertical view of structure shown in Fig. 3 .1, elevation and upward view;
Fig. 4 .1 is the structural representation of last drill body;
Fig. 4 .2, Fig. 4 .3 and Fig. 4 .4 are respectively right view, upward view and the vertical view of structure shown in Fig. 4 .1;
Fig. 5 .1 is for boring the structural representation on top;
Fig. 5 .2, Fig. 5 .3 are respectively the upward view and the vertical view of structure shown in Fig. 5 .1;
Fig. 6 .1 is that the utility model revolves the structural representation that digs drilling tool embodiment;
Fig. 6 .2, Fig. 6 .3 and Fig. 6 .4 are respectively structure shown in Fig. 6 .1 corresponding elevation, upward view and vertical view.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, 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 utility model protection.
Shown in Fig. 6 .1-Fig. 6 .4, the utility model revolves and digs drilling tool and comprise: go up drill body 25 and bore at the end 27.Wherein, structure of drill body 25 is shown in Fig. 4 .1-Fig. 4 .4 on this, and the structure of boring the end 27 is shown in Fig. 3 .1-3.4; The brill end 27, comprise the fixedly end 12 and taper drill body 13, and fixedly the structure at the end 12 is shown in Fig. 1 .1-1.3, and the structure of taper drill body 13 is shown in Fig. 2 .1-2.4; Last drill body 25 mainly comprises brill top 15 and the cylindrical shell 16 shown in Fig. 5 .1-5.3 etc.
Shown in Fig. 1 .1-1.3; Fixedly the end 12, can comprise: bore tooth 1 (like the V19 tooth), base plate 2, center cone 3 and cover plate 4; Wherein, base plate 2, cover plate 4 and center cone 3 connect successively, and two breach are set on the base plate 2; The position of closing on each breach on the bottom surface of base plate 2 is provided with two and bores tooth 1, and each bores tooth 1 and extends to corresponding breach.When work, brill tooth 1 advances mamoty in the bullet 7 among Fig. 2 .1 through the breach of correspondence.
It is understandable that; The number of above-mentioned breach can freely be set, as a function that can realize fetching earth is set, and the number of the brill tooth 1 of corresponding each breach setting can be adjusted; Boring the type of tooth 1 can adjust; Brill tooth 1 closes on breach and is set to preferred version, and during concrete operations, brill tooth 1 extends to breach and all can.
Hinge 5 among Fig. 2 .1-Fig. 2 .4, reinforcing rib 6, bullet 7, the movable end 8, hook 9 and block 10 are prior art, repeat no more; Shown in Fig. 3 .1-3.4, the external surface of bullet 7 is provided with two helical blades 11, utilizes this helical blade 11 can realize squeezing the function of soil, preferably, at helical blade 11 and crowded native plate 14 can be set at movable the end 8; When creeping into, bullet 7 outside backfill reach the guide effect of squeezing native plate 14 through bullet 7 outer walls and helical blade 11 and are extruded into the next door to backfill; Preferably, can arrange that near the position of center cone 3 BK-47 tooth or other bore tooth, strengthen fetching earth function at two helical blades 11.Like this, in drilling process, bore the end 27 backfill in aperture is divided into two parts, a part is through helical blade 11 and squeeze native plate 14 and be expressed to hole wall, and another part was directly dragged in the taper drill body 13, outside taper drill body 13 taking-up holes through the fixing end 12.
Shown in Fig. 4 .1-4.4, bore top 15 and cylindrical shell 16 and be provided with release mechanism 20, and cylindrical shell 16 is provided with the hook 19 with release mechanism 20 mating reactions; Hook 19 is used to connect cylindrical shell 16 and taper drill body 13, during concrete operations, opens the brill end 27 through the effect of release mechanism 20.And then the dregs in cylindrical shell 16 and the bullet 7 are poured out, realize unloading the function of soil; Because the top of the brill shown in Fig. 4 .1-4.4 15, cylindrical shell 16, outer swash plate 17, inner swash plate 18, hook 19 and release mechanism 20 are prior art, repeat no more at this; Equally, top board 21, reinforcing rib 22, connection side 23 and horizontal bar 24 in the brill top 15 shown in Fig. 5 .1-5.3 are prior art also, repeat no more.
Shown in Fig. 6 .1-Fig. 6 .4, the external surface of the cylindrical shell 16 of last drill body 25 is provided with protects footpath bar 26, and rotation is protected footpath bar 26 so that clay is pressed on the hole wall; Preferably, protecting footpath bar 26 can be for having certain flexible structure, to strengthen the retaining wall effect; Simultaneously, this guarantor footpath bar 26 can make the hole wall diameter that forms when creeping into consistent with the requirement of stake footpath, need not secondary and creeps into, and has improved the efficient of creeping into.
It will be understood by those skilled in the art that shape, the size of helical blade 11 and quantity, the position of arranging can change as required; Shape, size, the layout quantity of protecting footpath bar 26 can change as required; The diameter and the tapering at bullet 7 two ends can change as required; Cylindrical shell 16 height, diameter can change as required, and other structure such as available taper replaces; Fixedly the form that Double bottom double door, Double bottom single open-door, single bill kept on file open the door also can be arranged in the end 12.
The utility model revolves and digs each embodiment of drilling tool through rotating vane 11 and squeeze the clay that native plate 14 will part and press to hole wall; Remaining clay bores outside tooth and the bullet 7 taking-up holes through each; Be implemented in big plain backfill and the sand stratum and directly creep into; And the hole wall that forms is also more stable, has not only improved the stability of hole wall but also can improve drilling efficiency and the utilization rate of clay during the backfill clay.
More than be merely the preferred embodiment of the utility model, or not all within the spirit and principle of the utility model in order to restriction the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. one kind revolves and digs drilling tool; Comprise: bore top (15), be installed in below, said brill top (15) cylindrical shell (16), be installed in the taper drill body (13) of said cylindrical shell (16) below and be installed in the fixedly end (12) of said taper drill body (7) below; The external surface of said taper drill body (13) is provided with helical blade (11); It is characterized in that the said fixedly end (12) comprises base plate (2), cover plate (4) and the center cone (3) that connects successively; Said base plate is provided with at least one breach on (2), and corresponding each breach is provided with at least one and bores tooth (1) on the bottom surface of said base plate (2), and each bores tooth (1) and extends to corresponding breach.
2. according to claim 1 revolving dug drilling tool, it is characterized in that, also comprises; At least one that is arranged on said cylindrical shell (16) external surface protected footpath bar (26).
3. according to claim 2 revolving dug drilling tool, it is characterized in that, said at least one guarantor's footpath bar (26) is an elastic construction.
4. dig drilling tool according to each described revolving among the aforesaid right requirement 1-3, it is characterized in that, said helical blade (11) is provided with at least one brill tooth near the position of said center cone (3).
5. according to claim 4 revolving dug drilling tool, it is characterized in that, it is the BK-47 tooth that at least one on the said helical blade (11) bored tooth.
6. dig drilling tool according to each described revolving among the aforesaid right requirement 1-3, it is characterized in that, also comprise at least one crowded native plate (14), each squeezes native plate (14) and is arranged at the movable end (8) and said helical blade (11) of said taper drill body (13).
7. require among the 1-3 each described revolving to dig drilling tool according to aforesaid right, it is characterized in that, also comprise: be arranged on release mechanism (20) on said brill top (15) and the cylindrical shell (16), with the hook (19) of said release mechanism (20) mating reaction; Said hook (19) is used to connect said cylindrical shell (16) and said taper drill body (13).
8. dig drilling tool according to each described revolving among the aforesaid right requirement 1-3, it is characterized in that the quantity of said breach is two, and corresponding each breach is provided with two brill teeth (1).
9. require 8 described revolving to dig drilling tool according to aforesaid right, it is characterized in that, the brill tooth (1) of corresponding each breach is the V19 tooth.
10. a rotary drilling rig is characterized in that, comprises like each described revolving among the above-mentioned claim 1-9 digging drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120293852 CN202370432U (en) | 2011-08-12 | 2011-08-12 | Rotary drilling tool and rotary drilling machine with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120293852 CN202370432U (en) | 2011-08-12 | 2011-08-12 | Rotary drilling tool and rotary drilling machine with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370432U true CN202370432U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120293852 Expired - Fee Related CN202370432U (en) | 2011-08-12 | 2011-08-12 | Rotary drilling tool and rotary drilling machine with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370432U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604488A (en) * | 2016-03-12 | 2016-05-25 | 中天建设集团有限公司 | Cutting pick type drill bit |
| CN107288550A (en) * | 2017-08-18 | 2017-10-24 | 陕西隆极机械设备有限公司 | Suitable for the piling pore-forming drill bit of hard rock-soil layer |
| CN109915027A (en) * | 2019-04-04 | 2019-06-21 | 河北建设勘察研究院有限公司 | A kind of drilling bit of rotary-digging drilling rig preventing Borehole Diameter in soft modeling stratum |
| CN113404437A (en) * | 2021-07-29 | 2021-09-17 | 中建八局第四建设有限公司 | Screw extrusion drill cylinder |
-
2011
- 2011-08-12 CN CN 201120293852 patent/CN202370432U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604488A (en) * | 2016-03-12 | 2016-05-25 | 中天建设集团有限公司 | Cutting pick type drill bit |
| CN107288550A (en) * | 2017-08-18 | 2017-10-24 | 陕西隆极机械设备有限公司 | Suitable for the piling pore-forming drill bit of hard rock-soil layer |
| CN107288550B (en) * | 2017-08-18 | 2023-07-04 | 陕西圆极岩土科技发展有限公司 | Piling pore-forming drill bit suitable for hard rock soil layer |
| CN109915027A (en) * | 2019-04-04 | 2019-06-21 | 河北建设勘察研究院有限公司 | A kind of drilling bit of rotary-digging drilling rig preventing Borehole Diameter in soft modeling stratum |
| CN113404437A (en) * | 2021-07-29 | 2021-09-17 | 中建八局第四建设有限公司 | Screw extrusion drill cylinder |
| CN113404437B (en) * | 2021-07-29 | 2023-02-28 | 中建八局第四建设有限公司 | Screw extrusion drill cylinder |
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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: 20120808 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |