CN204126556U - Churning driven head and drilling tool - Google Patents
Churning driven head and drilling tool Download PDFInfo
- Publication number
- CN204126556U CN204126556U CN201420437003.7U CN201420437003U CN204126556U CN 204126556 U CN204126556 U CN 204126556U CN 201420437003 U CN201420437003 U CN 201420437003U CN 204126556 U CN204126556 U CN 204126556U
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- drilling
- leaf lobe
- connector
- driven head
- churning driven
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Abstract
The utility model relates to the technical field of drill bit, discloses churning driven head and drilling tool, and churning driven head comprises tubular and has the drilling bucket of inner chamber, is provided with two leaf lobe plates positioned opposite, and has gap between the lateral edges of two leaf lobe plates in inner chamber; Also be provided with in inner chamber by moving up and down driving two leaf lobe plates and swing in opposite directions or the drives structure of opposing swing, drives structure is fixedly connected on the upper end of two leaf lobe plates respectively, and its upper end is provided with the connector for being connected with drilling rod.In the process of rotary dig drilling, dregs and rubble enter drilling bucket, and produce towards epipolar restriction leaf lobe plate, two leaf lobe plates are in the state arranged outwardly; When promoting drill bit, drives structure moves upward, and two leaf lobe plates swing inwardly, clamping dregs and rubble; At slag dumping place, drives structure moves down, and two leaf lobe plates swing outwardly, and dregs and rubble are then poured out drilling bucket, like this, in the process of rotary dig drilling, do not need more bit change, reduces subsidiary operation time, improves the efficiency of rotary dig drilling.
Description
Technical field
The utility model relates to the technical field of drill bit, particularly relates to churning driven head and the drilling tool comprising this churning driven head.
Background technology
Current, in pile foundation construction, a large amount of adopt rotary dig drilling technique, in construction, can select different drilling tools according to different geological conditionss, common churning driven has: augers, cartridge type core bit, revolve to dig and drag for slag drilling tool etc.
For loosely rock stratum, the comparatively lithologic character such as broken rock, strongly weathered sand-rock, main employing core spiral drill or the fragmentation of cartridge type core bit are crept into, by little for ravelly ground solution, after drilling tool reaches certain drilling depth (about 80cm ~ 100cm), drill bit is proposed, and exchange drill bit for, the rock stratum of the fragmentation in the drill bit extracted is cleaned out, like this, after each proposition drill bit, more bit change, and clean out the rock stratum changed in drill bit, so, in the process of boring, then need more bit change repeatedly, subsidiary operation time is long, affects rotary dig drilling efficiency.
Utility model content
The purpose of this utility model is to provide churning driven head, is intended to solve drilling tool of the prior art in drilling process, needs constantly more bit change, causes the efficiency that subsidiary operation time is long, affect rotary dig drilling.
The utility model is achieved in that churning driven head, comprises tubular and has the drilling bucket of inner chamber, is provided with two leaf lobe plates positioned opposite, and has gap between the lateral edges of two described leaf lobe plates in described inner chamber; Also be provided with by moving up and down the described leaf lobe plate of driving two and swing in opposite directions or the drives structure of opposing swing in described inner chamber, described drives structure is positioned at the top of described leaf lobe plate, and being fixedly connected on the upper end of two leaf lobe plates respectively, its upper end is provided with the connector for being connected with drilling rod.
Further, the connector that described drives structure comprises two hinged support rods and is positioned at above hinged support rod, two described hinged support rod arranged crosswise, and middle part is hinged; The lower end of two hinged support rods is fixedly connected with the upper end of two leaf lobe plates respectively, and its upper end is articulated with connector respectively, and described connector is located at the upper end of described connector.
Further, the inner surface of described leaf lobe plate lower end is convexly equipped with bulge-structure.
Further, the inside wall of described drilling bucket upper end is convexly equipped with extension board inwardly, and described extension board is positioned at the top of described connector.
Further, described connector is polygonal panel, and be also convexly equipped with multiple press block at the inside wall of described drilling bucket, the plurality of press block compresses in the side wall of described polygonal panel respectively.
Further, the summit of described polygonal panel is connected on the inside wall of described drilling bucket.
Further, a sidewall of described press block and the side wall of described polygonal panel are arranged vertically, and the side wall of another sidewall and described polygonal panel is in tilted layout.
Further, described connector is convexly equipped in the upper end of described polygonal panel, wherein be provided with the installing hole for coordinating with drilling rod, the center line of described installing hole overlaps with the center line of described drilling bucket inner chamber and arranges, the upper end of described polygonal panel is convexly equipped with multiple reinforcing rib, described reinforcing rib is connected to the lateral wall of described connector, and multiple described reinforcing rib ring is arranged around described connector periphery.
Further, described polygonal panel is quadrangular plate, and the inside wall of described drilling bucket is convexly equipped with four described press blocks, and four described press blocks abut four side wall of described quadrangular plate respectively.
The utility model additionally provides drilling tool, and it comprises above-mentioned churning driven head.
Compared with prior art, when drill bit is in the process of carrying out rotary dig drilling, dregs and rubble etc. constantly enter in drilling bucket, and be between two leaf lobe plates, along with being on the increase of dregs and rubble, produce towards epipolar restriction leaf lobe plate, two leaf lobe plates are in the state arranged outwardly; When drilling rod drives connector up to move, drives structure also moves upward, and two leaf lobe plates, swing for oscillation center inwardly with its upper end, and now, under the dregs in drilling bucket and the Action of Gravity Field of rubble, two leaf lobe plates are by dregs and rubble clamping; Like this, after drill bit is promoted to slag dumping place, drilling rod drives drives structure to move down, two leaf lobe plates with its upper end for oscillation center, swing outwardly, under the effect of dregs and rubble gravity, dregs and rubble are then poured out outside drilling bucket, like this, in the process of rotary dig drilling, then do not need more bit change, can slag dumping in time, thus minimizing subsidiary operation time, greatly improve the efficiency of rotary dig drilling.
Accompanying drawing explanation
Fig. 1 is the longitudinally cutting schematic diagram of the churning driven head that provides of the utility model embodiment at drilling process;
Fig. 2 is that the churning driven head that the utility model embodiment provides is being suggested the longitudinally cutting schematic diagram of boring procedure;
Fig. 3 is the A place enlarged diagram in Fig. 1;
Fig. 4 is the transverse cross sectional schematic diagram of the churning driven head that the utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
As shown in figures 1-4, be preferred embodiment that the utility model provides.
The churning driven head 1 that the present embodiment provides may be used for brill and digs ravelly ground, comparatively broken rock, strongly weathered sand-rock etc., and certainly, according to actual needs, it also can be used in and carry out brill to various rock stratum and dig.
Churning driven head 1 comprises in tubular and has the drilling bucket 11 of inner chamber 111, and the lower end of drilling bucket 11 is convexly equipped with multiple brill tooth 113, and like this, drill bit 1 is revolving in the process of digging, and can utilize and bore tooth 113, drill bit 1 is constantly crept into; In the inner chamber 111 of drilling bucket 11, be provided with two leaf lobe plates 12, each leaf lobe plate 12 extends along the short transverse of drilling bucket 11; Two leaf lobe plates 12 are positioned opposite, and have gap between the lateral edges of two leaf lobe plates 12.
In the inner chamber 111 of drilling bucket 11, be provided with drives structure 14, this drives structure 14 is positioned at the top of two leaf lobe plates 12, and its lower end is fixedly connected on the upper end of two leaf lobe plates 12 respectively, and upper end is connected with connector 13, and this connector 13 is for being connected with outer drill rod; Utilize rising or the decline of drilling rod, drive the rising of drives structure 14 and decline, drives structure 14 can be risen by it or decline driving two leaf lobe plates 12 swing in opposite directions or from swing.
Like this, outside stake machine drives drilling rod to rotate, and drilling rod is connected on connector 13, and it drives drilling bucket 11 to rotate, drilling bucket 11 carries out rotary dig drilling, as shown in Figure 1, now, dregs and rubble etc. constantly enter in drilling bucket 11, and be between two leaf lobe plates 12, along with being on the increase of dregs and rubble, produce towards epipolar restriction to leaf lobe plate 12, two leaf lobe plates 12 are in the state arranged outwardly; When drill bit 1 is suggested in the process of boring, as shown in Figure 2, now, drilling rod drives connector 13 up to move, drives structure 14 also moves upward, thus two leaf lobe plates 12, swing for oscillation center inwardly with its upper end, encirclement space between the two forms up big and down small shape, now, under the dregs in drilling bucket 11 and the Action of Gravity Field of rubble, the dregs in drilling bucket 11 and rubble can firmly clamp by two leaf lobe plates 12; Like this, after drill bit 1 is promoted to slag dumping place, drilling rod drives drives structure 14 to move down, thus two leaf lobe plates 12 with its upper end for oscillation center, swing outwardly, under the effect of dregs and rubble gravity, dregs and rubble are then poured out outside drilling bucket 11, thus drill bit 1 can proceed next round drilling operation.
The churning driven head 1 that the present embodiment provides, it is in the process of rotary dig drilling, does not need to change, can slag dumping in time, thus reduces subsidiary operation time, greatly improves the efficiency of rotary dig drilling.
Particularly, above-mentioned drives structure 14 comprises two connectors being arranged on the hinged support rod 141 above leaf lobe plate 12 and being arranged on above two hinged support rods 141, these two cross-shaped layouts of hinged support rod 141, and middle part is hinged; The lower end correspondence of two hinged support rods 141 is fixedly connected on the upper end of two leaf lobe plates 12, and the upper end of two hinged support rods 141 is hinged with connector respectively, and above-mentioned connector 13 is connected on connector.
Like this, after above-mentioned connector 13 is up mobile, it affects connector 13 up to move, hinge angle between two hinged support rods 141 reduces, thus drive two leaf lobe plates 12 to swing in opposite directions respectively, define up big and down small encirclement space, thus two leaf lobe plates 12 clamp dregs in drilling bucket 11 and rubble; Certainly, when connector 13 moves down, two leaf lobe plates, 12 difference swing outwardly, and it is straight-tube shape that two leaf lobe plates 12 directly surround spaces, or up-small and down-big shape, thus dregs in drill bit 1 and rubble then spin off between two leaf lobe plates 12.
Or, as other embodiment, above-mentioned drives structure 14 also can be comprise two to affect bar, these two affect the corresponding upper end being fixedly connected on two leaf lobe plates 12 respectively, the lower end of bar, and its upper end respectively correspondence is fixedly connected on connector 13, thus, moved up and down along with connector 13 affects, act on leaf lobe plate 12, two leaf lobe plates 12 by affecting bar also with its upper end for oscillation center, to swing inwardly or outwardly.
Certainly, the form of structure of drives structure 14 can also have other polytype, is not limited to above-mentioned two kinds of mentioning, if its can drive two leaf lobe plates 12 in opposite directions or opposing swing then can.
In the present embodiment, the inner surface of leaf lobe plate 12 lower end is convexly equipped with bulge-structure 121, the inner surface of this bulge-structure 121 in leaf lobe plate 12 lower end forms step, like this, when two leaf lobe plates 12 with its upper end for oscillation center, after swinging inwardly, after clamping dregs between two leaf lobe plates 12 or rubble, because leaf lobe plate 12 lower end is main support zone, therefore, the bulge-structure 121 that its inner surface is formed, effectively can increase the barrier effect to dregs and rubble, strengthen the clamping force of two leaf lobe plates 12.
Particularly, bulge-structure 121 comprises raised line, and this raised line extends along the short transverse of leaf lobe plate 12, forms above-mentioned step between the inner surface of its upper end and leaf lobe plate 12, the lower end of its lower end perfoliate-leaf lobe plate 12.
Certainly, as other embodiment, bulge-structure 121 can also be the projection etc. being arranged on leaf lobe plate 12 inner surface, as long as it is convex, and and forms step between the inner surface of leaf lobe plate 12 and then can.
In the present embodiment, the upper end of drilling bucket 11 has the upper end open of communication with cavity 111, and the inside wall of drilling bucket 11 upper end is convexly equipped with extension board 112 inwardly, this extension board 112 is that bending is arranged with the inside wall of drilling bucket 11, and be positioned at the top of connector, like this, the upper end open of extension board 112 pairs of drilling buckets 11 forms restriction, avoid connection strap being pulled in the process moved up and down, connector is drawn out outside the upper end of drilling bucket 11.
Above-mentioned connector is polygonal panel 142, and above-mentioned connector 13 is arranged in polygonal panel 142; The inside wall of drilling bucket 11 is convexly equipped with multiple press block 115, this press block 115 extends along the radial inward of drilling bucket 11, the inside wall of itself and drilling bucket 11 is that bending is arranged, and, many press blocks 115 are connected in the side wall 1421 of polygonal panel 142 respectively, thus, at multiple press block 115 with under the restriction of polygonal panel 142, polygonal panel 142 can not be rotated relative to drilling bucket 11, thus, after connector 13 is connected with outside drilling rod, drive polygonal panel 142 to rotate by drilling rod, thus drilling bucket 11 also rotate thereupon.
Certainly, above-mentioned multiple press blocks 115 can limit polygonal panel 142 and rotate relative to drilling bucket 11, but polygonal panel 142 can move up and down relative to drilling bucket 11, thus drive moving up and down of drives structure 14.
Particularly, the number of above-mentioned press block 115 is no less than the number of the side wall 1421 of polygonal panel 142.In the present embodiment, polygonal panel 142 is quadrangular plate, like this, at the press block 115 that the sidewall projection four of drilling bucket 11 is above-mentioned, is pressed on four side wall 1421 of quadrangular plate 142 respectively.
Certainly, as other embodiment, polygonal panel 142 can also be triangle plate, or other polygonal panel 142 etc.
Rotate relative to drilling bucket 11 to better limit polygonal panel 142, the summit 1422 of this polygonal panel 142 is connected on the inside wall of drilling bucket 11 respectively, thus, utilize summit 1422 and drilling bucket 11 inside wall of polygonal panel 142, and press block 115 and polygonal panel 142 side wall 1421 compress effect, better restriction polygonal panel 142 is rotated relative to drilling bucket 11.
One end of press block 115 is connected on the inside wall of drilling bucket 11, the other end is pressed in the side wall 1421 of polygonal panel 142, and, one sidewall of press block 115 and the side wall 1421 of polygonal panel 142 are in being arranged vertically, the side wall 1421 of another sidewall and polygonal panel 142 is in skewed layout, like this, according to the rotation direction of drill bit 1, press block 115 can be more effectively made to compress polygonal panel 142.
Connector 13 projection, in polygonal panel 142, is wherein provided with the connecting hole 131 of upper end open, and the center line of this connecting hole 131 overlaps with the center line of drilling bucket 11; For the ease of the connection of connector 13 with outer drill rod, be provided with installing hole 132 in the sidewall of connector 13, when drilling rod is plugged in after in the connecting hole 131 of connector 13, utilize latch etc. to pass installing hole 132, and be located in drilling rod, drilling rod is firmly connected with connector 13.
In order to the bonding strength between reinforced company's joint 13 and polygonal panel 142, in the present embodiment, polygonal panel 142 has been convexly equipped with multiple reinforcing rib 15, and the plurality of reinforcing rib 15 is connected on the lateral wall of connector 13, arranges around connector 13 periphery.
The present embodiment additionally provides drilling tool, that includes above-mentioned churning driven head 1, like this, utilizes this drilling tool to carry out in the process of rotary dig drilling, does not need more bit change 1, thus greatly can improve drilling efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. churning driven head, is characterized in that, comprises tubular and has the drilling bucket of inner chamber, is provided with two leaf lobe plates positioned opposite, and has gap between the lateral edges of two described leaf lobe plates in described inner chamber; Also be provided with by moving up and down the described leaf lobe plate of driving two and swing in opposite directions or the drives structure of opposing swing in described inner chamber, described drives structure is positioned at the top of described leaf lobe plate, and being fixedly connected on the upper end of two leaf lobe plates respectively, its upper end is provided with the connector for being connected with drilling rod.
2. churning driven head as claimed in claim 1, it is characterized in that, the connector that described drives structure comprises two hinged support rods and is positioned at above hinged support rod, two described hinged support rod arranged crosswise, and middle part is hinged; The lower end of two hinged support rods is fixedly connected with the upper end of two leaf lobe plates respectively, and its upper end is articulated with connector respectively, and described connector is located at the upper end of described connector.
3. churning driven head as claimed in claim 2, it is characterized in that, the inner surface of described leaf lobe plate lower end is convexly equipped with bulge-structure.
4. churning driven head as claimed in claim 2, it is characterized in that, the inside wall of described drilling bucket upper end is convexly equipped with extension board inwardly, and described extension board is positioned at the top of described connector.
5. the churning driven head as described in any one of claim 2 to 4, is characterized in that, described connector is polygonal panel, and be also convexly equipped with multiple press block at the inside wall of described drilling bucket, the plurality of press block compresses in the side wall of described polygonal panel respectively.
6. churning driven head as claimed in claim 5, it is characterized in that, the summit of described polygonal panel is connected on the inside wall of described drilling bucket.
7. churning driven head as claimed in claim 5, it is characterized in that, a sidewall of described press block and the side wall of described polygonal panel are arranged vertically, and the side wall of another sidewall and described polygonal panel is in tilted layout.
8. churning driven head as claimed in claim 5, it is characterized in that, described connector is convexly equipped in the upper end of described polygonal panel, wherein be provided with the installing hole for coordinating with drilling rod, the center line of described installing hole overlaps with the center line of described drilling bucket inner chamber and arranges, the upper end of described polygonal panel is convexly equipped with multiple reinforcing rib, and described reinforcing rib is connected to the lateral wall of described connector, and multiple described reinforcing rib ring is arranged around described connector periphery.
9. churning driven head as claimed in claim 5, it is characterized in that, described polygonal panel is quadrangular plate, and the inside wall of described drilling bucket is convexly equipped with four described press blocks, and four described press blocks abut four side wall of described quadrangular plate respectively.
10. drilling tool, is characterized in that, comprises the churning driven head described in any one of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437003.7U CN204126556U (en) | 2014-08-04 | 2014-08-04 | Churning driven head and drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437003.7U CN204126556U (en) | 2014-08-04 | 2014-08-04 | Churning driven head and drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126556U true CN204126556U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420437003.7U Expired - Fee Related CN204126556U (en) | 2014-08-04 | 2014-08-04 | Churning driven head and drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971046A (en) * | 2016-06-30 | 2016-09-28 | 李桂芳 | Excavating equipment |
| CN112903958A (en) * | 2021-01-18 | 2021-06-04 | 深圳市工勘岩土集团有限公司 | Method for measuring natural density and loose coefficient of soil layer |
-
2014
- 2014-08-04 CN CN201420437003.7U patent/CN204126556U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971046A (en) * | 2016-06-30 | 2016-09-28 | 李桂芳 | Excavating equipment |
| CN105971046B (en) * | 2016-06-30 | 2018-06-15 | 李桂芳 | Excavating gear |
| CN112903958A (en) * | 2021-01-18 | 2021-06-04 | 深圳市工勘岩土集团有限公司 | Method for measuring natural density and loose coefficient of soil layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hongbo Inventor after: Li Bo Inventor after: Lei Bin Inventor after: Zhou Xi Inventor after: Li Sen Inventor after: Yang Jing Inventor before: Li Hongbo Inventor before: Li Bo Inventor before: Lei Bin |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |