CN1243193A - Drilling apparatus for basic foundation - Google Patents
Drilling apparatus for basic foundation Download PDFInfo
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- CN1243193A CN1243193A CN 99106675 CN99106675A CN1243193A CN 1243193 A CN1243193 A CN 1243193A CN 99106675 CN99106675 CN 99106675 CN 99106675 A CN99106675 A CN 99106675A CN 1243193 A CN1243193 A CN 1243193A
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Abstract
To construct a construction ground layer of firm support force in the ground by providing a foundation ground excavating device with an escape place of air filled in a hole during underground excavating work and a passage for underground water so as to solve the cause of hindrance in a work process such as the collapse of a previously tamped firm hole peripheral wall and the fall of excavated earth and gravel into the excavated hole due to the generation of strong sucking action and pneumatic action caused by vacuum in the cavity hole when pulling out the device. Rod support plates supporting several tamping rods in suitable shape at the peripheral parts with an auger shaft as an axis and forming tamping rod support pieces and air escape space parts by chipping rod non-supporting places, at the upper and lower ends of the respective tamping rods. are integrally added to the upper and lower parts, and pressure guide earth plates are further disposed between the respective tamping rods.
Description
The present invention relates to the basic foundation rig, though its under the situation of softer ground, still can be really and get out at an easy rate have firm wall the stake hole.
In the past, the basic foundation rig (spiral drilling machine) of the usefulness such as building of existing different shape, structure comes into operation.That is, the form that is connected with the bottom of drilling rod of spiral helicine helical edges body or the form that in the whole length range of drilling rod, is provided with helical edges etc.In a word, in the equipment of these known configurations, along with front end excavates the excavation of sword to ground, the rotation of helical edges body descends simultaneously, and consequently, the stake hole of specified diameter forms in the mode that penetrates ground.In addition, because the helical edges body of rotation and decline is discharged a large amount of roach to the face of land, so just can require to remove corresponding labour of operation and expense with the roach of job site.
For this reason, the inventor once attempted will be along with the excavation of spiral drilling machine, will be towards the excavation soil in the hole that move the top towards the centrifugal direction densification.That is, the inventor has formerly proposed the patent application about following foundation drilling equipment, and this equipment constitutes in the following manner, and this mode is: it adopts and will excavate the swingle of soil towards the pushing of internal perisporium face, makes this bar become whole rotation with spiral drilling machine.According to this equipment (JP speciallys permit No. 2514566), excavation soil in the hole (that is, " satholith " described in the patent claims) is subjected to being pressed towards the effect of hole inner face, forms high density, firm hole wall, the roach discharge rate that can discharge towards the face of land is controlled at Min. in addition.As shown in Figure 1, widely used this known equipment constitutes in the following manner in various places, and this mode is: at the top of the head (h) with helical edges body (s), around it, be provided with a plurality of pressing rods (5) along the direction that parallels with drilling rod (1).
But even for this known equipment with above-mentioned good action, it is obvious all the more further will to carry out improved problem in recent years.As shown in Figure 2, this problem refers to that the bar base plate (p) by the upper and lower side that the pressing rod group is set is simple disk, even circular slab, the problem that so-called structure causes.The disk of such upper and lower side will have the regional seal of this rig of bar group, present " cavity of decompression state ".When with this rig when the face of land proposes owing to should " cavity " move, like this wall surface of the hole of established densification state is inhaled center in the hole towards the top.At this moment, outer gas still flows into towards hole region consumingly, and consequently, established hole wall produces the avalanche of certain degree, drops and the wall soil (satholith) that is piled up at the bottom of the hole reduces the effective depth in stake hole.
So, the objective of the invention is to that above-mentioned JP is speciallyyed permit No. 2514566 equipment improves, and provide a kind of foundation drilling equipment, this equipment is by forming following structures, this structure refer in the stake hole along the rig of holing vertically, the soil body that air and underground water and cutting are got off is easy to move, thereby can existing relatively form, the soil body that cuts is pushed towards stake hole internal perisporium face more securely, the discharge rate of the roach that can discharge towards the face of land is controlled at minimum degree, can form the stake hole of the supporting force with good building in ground.
To achieve these goals, basic foundation rig of the present invention is characterized in that, comprising: drilling rod, and it is concentric shape with augers and is connected by joint; A plurality of supporting transverse arms, its relative this drilling rod is radial extension; The pressing rod group, it is individually fixed in the front end of this supporting transverse arm, around above-mentioned drilling rod, is concentric setting with this drilling rod; The bar base plate, it becomes to be wholy set in the two ends at least up and down in the above-mentioned pressing rod group respectively; Each above-mentioned base plate has a plurality of bar supporting slices, and it is following shape, and this shape refers to and will form otch between the adjacent above-mentioned supporting slice, thus the shape of the spatial portion (i.e. " recess ", even " bending into portion ") of the non-supporting of formation bar.
In addition, between adjacent relative two supporting transverse arms up and down, also can be provided with two ora terminalis up and down are fixed in guiding firming plate on each supporting transverse arm.The effect that this guiding firming plate has the guiding satholith, pushes to hole wall simultaneously.In addition, between adjacent above-mentioned two pressing rods, also can be respectively arranged with the satholith that is fixed on the knife-edge bearing bar and remove sword, such as on the above-mentioned bar base plate on top, being arranged side by side the rotating actuator that a plurality of above-mentioned knife-edge bearing bars are used.
Above-mentioned rotating actuator can be, such as the type that belongs to the structure in the back described " planetary gears ".
Best, remove between the sword at adjacent satholith, the outer edge surface of drilling rod is equipped with a plurality of stirrer blades relatively.
The spatial portion of the non-supporting of bar with above-mentioned bar base plate among the present invention is in the process that this rig is holed to the depths in ground, not only as air and the underground water path of deviating from usefulness of the stake in the boring in the inside, hole, and the path of using as satholith.Therefore, the danger in zone of " cavity " shape of the decompression state in the stake hole in the boring occurs, constituting the pressing rod group of the main body of this rig can be successfully and bring into play itself effect fully.In the stake hole with firm internal perisporium face that cutting forms, after an amount of mortar of perfusion in advance etc., the stake parts (i.e. " stake ") by inserting steel or concrete system etc. just can form the firm foundations ground that above-ground structures is used.
Above-mentioned " guiding firming plate ", " satholith removal sword " reach the effect of " stirrer blade ", will clearly state in the embodiment part.
With reference to the accompanying drawings, two or three embodiment of the present invention are described.
Fig. 1 is the front view of the major part of the known foundation drilling equipment of expression;
Fig. 2 is the cross-sectional view of equipment shown in Figure 1;
Fig. 3 is the front view of the equipment of the 1st embodiment of the present invention;
Fig. 4 is the cross-sectional view of equipment shown in Figure 3;
Fig. 5 is the cross-sectional view of the equipment of the 2nd embodiment of the present invention;
Fig. 6 is the front view of equipment shown in Figure 5;
Fig. 7 is the front view of the equipment of the 3rd embodiment of the present invention;
Fig. 8 is the of the present invention the 3rd and the cross-sectional view of the equipment of the 4th embodiment;
Fig. 9 is the phantom drawing of major part of the equipment of the 3rd embodiment of the present invention.
In Fig. 3～4 of expression the 1st embodiment, on auger stem 1, be provided with a plurality of supporting transverse arm 5a along short transverse with suitable length, 5a is outstanding towards centrifugal direction from the outer edge surface of this drilling rod for these supporting transverse arms.Therefore, the pressing rod 5 that is fixed in the front end of each supporting transverse arm 5a is the center with auger stem 1, be arranged at this drilling rod 1 around, and according to the parallel direction setting of this drilling rod 1.In addition, the quantity of pressing rod 5 can be provided with 3 equally spacedly according to mode shown in Figure 4, and obviously, above-mentioned quantity also can be as required, according to 4 of spaced sets or 5.
Both ends up and down at pressing rod 5 are fixed with bar base plate 4.This structure is most important aspect of the present invention, and it is the common trait of all embodiment.Each base plate 4 comprises a plurality of (in the occasion of present embodiment, being 3) supporting slice 2, these supporting slices 2 extend radially outward from the center of base plate.Pressing rod 5 two ends are individually fixed in the end of each supporting slice 2.The non-support region of bar between adjacent two supporting slices 2,2 is the spatial portion 3 recessed towards the center, these spatial portions 3,3 ... the important function that is risen is described content in front.
When using present device, by such as medium-sized joint, at the drill bit of the end (bottom in the drawings) of this equipment connecting band helical edges body, promptly augers 6.Best, the external diameter b of this drill bit 6 substantially diameter with the rotational trajectory a of pressing rod group 5 is identical.
Compare with 3 supporting transverse arm 5a independently,, comprise that the intensity of a slice base plate 4 of 3 supporting slices 2 is higher in common occasion.Therefore, if necessary, also can replace above " the supporting transverse arm group " of 1 joint of the pars intermedia between the two ends up and down respectively by " base plate ".
In the 2nd embodiment shown in Fig. 5 and 6, on this supporting transverse arm,, be fixed with the guiding firming plate (firming plate) 7 of smooth or curved shape along adjacent, and relative 2 supporting transverse arm 5a, 5a up and down.That is, 2 the horizontal ora terminalis up and down that stop up the guiding firming plate 7 in the gap between pressing rod 5 and the drilling rod 1 pass through modes such as welding, are fixed on these 2 supporting transverse arm 5a, 5a.In such composite structure, identical with the 1st embodiment, the bar group 5 of not only being rotated pushes the soil body of outer edge towards centrifugal direction, and the soil body that each firming plate 7 of the same rotation with this bar group will lodge between the bar is further forced to extrude towards hole internal perisporium face.In the manner described above, the motion that cooperatively interacts of bar group 5 and each firming plate 7, thus form firm hole wall.
As shown in Figure 6, also can be following occasion, be the augers 6 of straight periphery 21 if promptly adopt its top, then can further increase the effect that presses solidly of the soil body by equipment of the present invention.
In the 3rd embodiment shown in Fig. 7～9, be provided with satholith and remove sword 15, so that replace above-mentioned guiding firming plate 7, also can be provided with this firming plate simultaneously in addition.This removal sword 15 is arranged between adjacent two pressing rods 5,5, and one group of above-mentioned removal sword 15 longitudinally is fixed on the common knife-edge bearing bar 14.In addition, on above-mentioned bar base plate 4, a plurality of knife- edge bearing bars 14,14 have been arranged side by side near the top side of drive source A ... with rotating actuator 19.
As shown in Figure 9, this rotating actuator 19 can be made of annular gear wheel 17 and a plurality of pinion 18, and this annular gear wheel 17 is fixed on the pressing rod group 5, and has internal tooth; Above-mentioned a plurality of pinion 18 is fixed on the above-mentioned knife-edge bearing bar 14, and is meshed with this annular gear wheel 17 respectively.But as long as can realize wanting the purpose that reaches, said mechanism 19 also can adopt other form.As can be seen from Figure 8, should " want reach purpose " refer to that removing sword 15 along each satholith of equidirectional x " revolution " respectively also can be along the direction y generation rotation opposite with this pressing rod group 5 with pressing rod group 5.Label 11 expressions among Fig. 4 and Fig. 8 are along the mortar injection hole of drilling rod 1 internal run-through.
In a word, satholith remove sword 15 with stronger power to entering between the bar, being compressed, forming the satholith that agglomerate, tendency lose flowability and stir.By the destruction of this " agglomerate ", be easy to make satholith to move to a certain degree, and this satholith is pushed towards hole wall towards the top.
In the 4th embodiment shown in Figure 8, to remove between the sword group 15,15 for adjacent 2, the outer edge surface of the above-mentioned relatively drilling rod 1 of a plurality of stirrer blades 20 stretches out.These stirrer blades 20 match by removing sword 15 with satholith, and top one section described effect is further improved.
In order to realize above-mentioned effect, the rig that basic foundation of the present invention is used is on the bar base plate of the upper and lower side that is installed on the bar group, be provided with the non-supporting space of bar portion, it deviates from the path of usefulness as air and underground water, and move the path of usefulness as satholith, therefore, the soil body that drilling can be got off pushes towards stake hole internal perisporium face securely and successfully.
If according to the mode of claim 2, add guiding firming plate, in addition according to the mode of claim 3, increase satholith and remove sword, also have mode according to claim 5, add stirrer blade, the effect described in then top a section can further improve.
Claims (5)
1. a basic foundation rig is characterized in that, comprising: drilling rod (boring arbor) (1), and it is concentric shape with augers (spiral head) (6) and is connected by joint (8); A plurality of supporting transverse arms (5a), its relative this drilling rod is radial extension; Pressing rod (5) group, it is individually fixed in the front end of this supporting transverse arm, around above-mentioned drilling rod (1), is concentric setting with this drilling rod; Bar base plate (4,4), it becomes to be wholy set in the two ends at least up and down in the above-mentioned pressing rod group respectively;
Above-mentioned each base plate (4) has a plurality of bar supporting slices (2), it is following shape, this shape refers to and will form concavity between the adjacent above-mentioned supporting slice (2,2), thereby form the shape of the spatial portion (3) of the non-supporting of bar (bar does not support), above-mentioned spatial portion (3,3) is deviate from the path of usefulness as air and underground water, moves the path of usefulness in addition as satholith.
2. equipment according to claim 1, it is characterized in that, above-mentioned bar base plate (4) also is arranged at a plurality of middle place except that the two ends up and down of above-mentioned bar group, in addition adjacent relative up and down between two supporting transverse arms (5a, 5a), the guiding firming plate (7) that the gap between pressing rod (5) and the drilling rod (1) is blocked be by make its up and down the mode that is fixed between these two supporting transverse arms (5a, 5a) of two horizontal ora terminalis be provided with.
3. equipment according to claim 1 and 2, it is characterized in that, between adjacent above-mentioned two pressing rods (5,5), be respectively arranged with the satholith that is fixed on the knife-edge bearing bar (14) and remove sword (15), on above-mentioned bar base plate (4), be arranged side by side the rotating actuator (19) of a plurality of above-mentioned knife-edge bearing bar (14,14) usefulness in addition.
4. equipment according to claim 3, it is characterized in that, above-mentioned rotating actuator (19) is by being fixed in annular gear wheel (17) that pressing rod group (5) went up and had internal tooth, being fixed in that above-mentioned knife-edge bearing bar (14) is gone up and a plurality of pinions (18) of being meshed with above-mentioned annular gear wheel (17) respectively constitute, and removing sword (15) with pressing rod group (5) along each satholith of equidirectional (revolution) also can be respectively along the direction generation " rotation " opposite with this bar group (15).
5. according to claim 3 or 4 described equipment, it is characterized in that remove between the sword (15,15) at adjacent satholith, the outer edge surface of drilling rod (1) is equipped with a plurality of stirrer blades (20) relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99106675 CN1243193A (en) | 1998-06-18 | 1999-05-20 | Drilling apparatus for basic foundation |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP189895/1998 | 1998-06-18 | ||
| JP347849/1998 | 1998-11-20 | ||
| CN 99106675 CN1243193A (en) | 1998-06-18 | 1999-05-20 | Drilling apparatus for basic foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1243193A true CN1243193A (en) | 2000-02-02 |
Family
ID=5272474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99106675 Pending CN1243193A (en) | 1998-06-18 | 1999-05-20 | Drilling apparatus for basic foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1243193A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995689B (en) * | 2007-01-08 | 2010-12-08 | 天津雷华科技有限公司 | Pile forming method of pile forming mechanism with gyro bit |
| CN112211188A (en) * | 2019-07-11 | 2021-01-12 | 周兆弟 | Multi-power drill bit |
| CN115110894A (en) * | 2022-08-30 | 2022-09-27 | 山东天拓建设有限公司 | Building construction foundation pile drilling equipment |
-
1999
- 1999-05-20 CN CN 99106675 patent/CN1243193A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995689B (en) * | 2007-01-08 | 2010-12-08 | 天津雷华科技有限公司 | Pile forming method of pile forming mechanism with gyro bit |
| CN112211188A (en) * | 2019-07-11 | 2021-01-12 | 周兆弟 | Multi-power drill bit |
| CN115110894A (en) * | 2022-08-30 | 2022-09-27 | 山东天拓建设有限公司 | Building construction foundation pile drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |