CN203008784U - Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation - Google Patents
Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation Download PDFInfo
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- CN203008784U CN203008784U CN 201220725775 CN201220725775U CN203008784U CN 203008784 U CN203008784 U CN 203008784U CN 201220725775 CN201220725775 CN 201220725775 CN 201220725775 U CN201220725775 U CN 201220725775U CN 203008784 U CN203008784 U CN 203008784U
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Abstract
The utility model provides a convolution drill bit and a convolution drilling machine for non-mud stone-picking of a pile foundation so as to solve the problem that a conventional convolution drill bit can not meet the requirement of sealing when running into an irregular stone pile casing, and then mud loss is caused. The convolution drill bit comprises a drill rod, a drill bit enclosure wall and a drill bit cross-shaped rod frame. Endpoints of the drill bit cross-shaped rod frame are fixedly connected onto the drill bit enclosure wall, a plurality of material gates are mounted on the drill bit cross-shaped rod frame, when the material gates close, the drill bit enclosure wall is enclosed into a closed area, material gate support pads used for preventing the material gates from opening up to be paralleling to the drill rod are further arranged on the drill bit cross-shaped rod frame, a material barrel is fixedly arranged on the drill bit enclosure wall, the bottom of the material barrel is fixedly connected with the circumference of the drill bit enclosure wall, and a barrel body extends in a reverse direction of drilling of the drill bit. When the convolution drill bit runs into the irregular stone pile casing and can not meet the requirement of sealing and the mud loss is caused by mud stone-picking, the convolution drill bit is used for picking out crushed stones from a pile hole, the pile casing is not hit down gradually, and accordingly a purpose of pile foundation stone crushing instead of mud stone-picking is achieved.
Description
Technical field
The utility model belongs to the building instrument field, relates to drill bit of drilling machine, is specifically related to a kind of can under the condition without mud circulation, reaching the pile foundation rubble and get the convolution rig that the non-mud of pile foundation of stone purpose is got stone convolution drill bit and this drill bit is installed.
Background technology
In pile foundation construction, generally adopt abrasion drill to be drilled to hole pouring pile, namely use general geological drilling rig under the mud off condition, creep at a slow speed, by mud deslagging pore-forming, the concrete perfusion pile is the domestic the most commonly used and wider piling method of range of application.Behind the pile foundation location, the steel casing be buried take the stake anchor point as benchmark underground, the location of then holing, rig drilling and forming hole.
Abrasion drill be by drill bit the hole at the bottom of undisturbed soil smash by the mud circulation band face that is unearthed.When the soil layers such as clay, lam, silt soil strata, flour sand layer were constructed, it is fast that abrasion drill has a construction, and the advantage such as the little resettlement of rig deadweight is easy, the time is short, but in gravel layer, basement rock construction, abrasion drill efficient is low; Especially after the convolution drill bit was encountered the stone of bulk, casing did not go down poorly sealed, causes mud loss, and the rubble that abrasion drill machines away can not with mud circulation in settling tank, affect pile foundation construction.
Based on this, demand designing the non-mud of a kind of pile foundation urgently and get stone convolution drill bit, when encountering to overcome the convolution drill bit that casing does not reach seal request after irregular stone, cause the problem of mud loss, under the condition without mud circulation, utilize convolution drill bit self that the rubble that machines away is taken out in the stake hole, progressively casing can not be beaten any more, reach the pile foundation rubble and get the purpose of stone, satisfy the pile foundation construction requirement.
Summary of the invention
The utility model provides the non-mud of a kind of pile foundation to get stone convolution drill bit and convolution rig, encounter irregular stone casing and do not reach seal request to overcome the convolution drill bit, cause the problem of mud loss, utilize convolution drill bit self that the rubble that machines away is taken out in the stake hole, progressively casing can not be beaten any more, reached the pile foundation rubble and do not adopt mud to get the purpose of stone.
for reaching above-mentioned technical purpose, the non-mud of pile foundation provided by the utility model is got stone convolution drill bit and is achieved by the following technical solutions: the non-mud of a kind of pile foundation is got stone convolution drill bit, comprise drilling rod, drill bit leg and the drill bit cross bridge that is positioned at the drill bit leg, the end points of drill bit cross bridge is fixed on the drill bit leg, on four bars of described drill bit cross bridge, a plurality of bin gates are installed, the zone sealing that when a plurality of described bin gates are closed, the drill bit leg is surrounded, also be provided with on described drill bit cross bridge be used to preventing that bin gate is opened into the bin gate parallel with drilling rod and props up pad, be installed with barrel on described drill bit leg, the bottom of described barrel and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod extends to the opposite direction that drill bit creeps into.
Offer discharging opening near place, its bottom on described barrel, described discharging opening place is provided for the bed material door of this discharging opening of opening and closing of fault.
The top of described barrel is fixed with the barrel ceiling hold, and described barrel ceiling hold is cross, and its end is fixed on described barrel top circumference.
The top of described barrel is fixed with many guide pegs, and described guide peg one end is connected on the circumference of described barrel top, and the other end is inclined upwardly and is connected on described drilling rod, and many described guide pegs axis centered by described drilling rod evenly distributes.
A plurality of described bin gates are installed on four bars of described cross bridge by connecting hinge.
Described bin gate is fan-shaped, and its number is 4～8, and when a plurality of described bin gates are all closed, integral body is and take at the center of described drill bit leg as the circle in the center of circle.
The maximum opening angle scope of described bin gate is 60 °～75 °.
the utility model has also proposed the non-mud of a kind of pile foundation and has got stone convolution rig, comprise the convolution drill bit, described convolution drill bit comprises drilling rod, drill bit leg and the drill bit cross bridge that is positioned at the drill bit leg, the end points of drill bit cross bridge is fixed on the drill bit leg, on four bars of described drill bit cross bridge, a plurality of bin gates are installed, the zone sealing that when a plurality of described bin gates are closed, the drill bit leg is surrounded, also be provided with on described drill bit cross bridge be used to preventing that bin gate is opened into the parallel bin gate of drilling rod and props up pad, be installed with barrel on described drill bit leg, the bottom of described barrel and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod extends to the opposite direction that drill bit creeps into.
Offer discharging opening near place, its bottom on described barrel, described discharging opening place is provided for the bed material door of this discharging opening of opening and closing of fault.
The top of described barrel is fixed with the barrel ceiling hold, and described barrel ceiling hold is cross, and its end is fixed on described barrel top circumference.
Compared with prior art, encounter irregular stone casing when the convolution drill bit and do not reach seal request, when adopting mud to get stone to cause mud loss, adopt the utility model utilization convolution drill bit self that the rubble that machines away is taken out in the stake hole, progressively casing can not be beaten any more, reached the pile foundation rubble and do not adopt mud to get the purpose of stone; Simultaneously, owing to not adopting the mud deslagging, alleviated the pollution of mud to the scene, reduced the construction sewage charge and used.
Description of drawings
Fig. 1 is the structural representation that the non-mud of the utility model embodiment pile foundation is got stone convolution drill bit bin gate opening;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is that the non-mud of the utility model embodiment pile foundation is got stone convolution drill bit bin gate closed condition top view.
In figure: Z, drill bit; 1, drilling rod; 2, drill bit leg; 3, drill bit cross bridge; 4, bin gate; 5, bin gate props up pad; 6, barrel; 7, discharging opening; 8, bed material door; 9, barrel ceiling hold; 10, loose-leaf; 11, guide peg.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment 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 obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
referring to figs. 1 through shown in Figure 3, the non-mud of the present embodiment pile foundation is got stone convolution drill bit Z, comprise drilling rod 1, drill bit leg 2 and the drill bit cross bridge 3 that is positioned at drill bit leg 2, the end points of drill bit cross bridge 3 is fixed on drill bit leg 2, on four bars of drill bit cross bridge 3, a plurality of bin gates 4 are installed, the zone sealing that when a plurality of bin gates 4 are closed, drill bit leg 2 is surrounded, also be provided with on drill bit cross bridge 3 be used to preventing that bin gate 4 is opened into the bin gate parallel with drilling rod 1 and props up pad 5, be installed with barrel 6 on drill bit leg 3, the bottom of barrel 6 and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod 1 extends to the opposite direction that drill bit creeps into, namely extend towards the aperture direction of boring.
Concrete, adopt the non-mud of the present embodiment pile foundation to get stone convolution drill bit Z, the rubble that sinks to machining away along with drill bit Z backs down bin gate 4 and enters barrel 6, props up the effect of pad 5 due to bin gate, bin gate 4 can not opened as for the parallel position of the axis of drilling rod 1, namely can not open 90 °; Stop rig and mention drill bit Z when the long-pending full barrel 6 of rubble, at this moment autoshutdown under the effect of bin gate 4 rubble in deadweight and top cylinder; Drill bit Z stops when mentioning suitable height, and rubble from the interior taking-up of barrel 6, is then impacted casing and moves down.Repeat operation until drill bit Z penetrates the stone layer, casing can be brought into play the sealing slurry effect, solves the mud loss problem, then returns to the operating mode that conventional mud circulation is got stone, reaches the pile foundation rubble and gets the stone purpose and satisfy the pile foundation construction requirement.
For ease of fully with rubble from the interior taking-up of barrel 6, offer discharging opening 7 near place, its bottom on barrel 6, discharging opening 7 places are provided for the bed material door 8 of this discharging opening of opening and closing of fault.Most of rubble mainly takes out from the top end opening of barrel 6, and the residual rubble of barrel 6 bottoms takes out from discharging opening.Concrete, be provided with chute at the marginal position place of discharging opening 7, bed material door 8 both sides are inserted in chute, and manual operation bed material door 8 slides in chute, realizes opening or closing of bed material door 8.
For guaranteeing as far as possible the concentricity of barrel 6 and drilling rod 1, the top of barrel 6 is fixed with barrel ceiling hold 9, and barrel ceiling hold 9 is cross, and its end is fixed on the top circumference of barrel 6, the steel plate thickness of barrel 6 is suitably larger simultaneously, avoids barrel 6 to cross quick-wearing and distortion.In accompanying drawing 3, barrel ceiling hold 9 overlaps with drill bit cross bridge 3, for not hindering the modular construction of seeing on drill bit cross bridge 3, does not draw barrel ceiling hold 9 in Fig. 3.
Creep into the guiding that has broken away from casing to barrel 6 downwards when drill bit, when entering the ooze stratum, for further guaranteeing the concentricity of barrel 6 and drilling rod 1, casing, prevent from when drill bit Z from proposing to propose due to the obstruction that barrel 6 and drilling rod 1, casing decentraction cause its barrel 6 tops to be subject to the casing bottom, or the too large damage drilling rod of proposition power, the top of barrel 6 is fixed with many guide pegs 11, guide peg 11 1 ends are connected on the top circumference of barrel 6, the other end is inclined upwardly and is connected on drilling rod 1, and many guide pegs 11 axis centered by drilling rod 1 evenly distributes.Concrete, guide peg 11 can adopt channel-section steel to be welded on barrel 6 and drilling rod 1, and its angle that is inclined upwardly is 45～60 °, and number is 3～6.In the present embodiment, guide peg 11 is four bars, and in figure accompanying drawing 3, guide peg 11 overlaps with drill bit cross bridge 3, for not hindering the modular construction of seeing on drill bit cross bridge 3, does not draw guide peg 11 in Fig. 3.
In the present embodiment, a plurality of bin gates 4 are installed on four bars of cross bridge 3 by connecting hinge 10.Certainly also can install by alternate manner.
Bin gate 4 is fan-shaped, and its number is 4～8, and when a plurality of bin gates 4 are all closed, integral body is and take at the center of drill bit leg 3 as the circle in the center of circle.In the present embodiment, the number of bin gate 4 is 8, respectively arranges two on four bars of cross bridge 3, and the center angle of fan-shaped bin gate 4 is 45 °.
The maximum opening angle scope of bin gate 4 is 60 °～75 °, so that when bin gate 4 is opened to maximum angle, can pile up the part rubble between itself and barrel 6, thereby when the long-pending full barrel 6 of rubble stopped rig and mentions drill bit Z, the part rubble between bin gate 4 and barrel 6 can help to press bin gate 4 autoshutdowns.
The present embodiment has also proposed the non-mud of a kind of pile foundation and has got stone convolution rig, comprises the above-mentioned convolution drill bit of the present embodiment Z, the concrete structure of convolution drill bit Z referring to the accompanying drawing 1 of the present embodiment convolution drill bit Z to Fig. 3.convolution drill bit Z comprises drilling rod 1, drill bit leg 2 and the drill bit cross bridge 3 that is positioned at drill bit leg 2, the end points of drill bit cross bridge 3 is fixed on drill bit leg 2, on four bars of drill bit cross bridge 3, a plurality of bin gates 4 are installed, the zone sealing that when a plurality of bin gates 4 are closed, drill bit leg 2 is surrounded, also be provided with on drill bit cross bridge 3 be used to preventing that bin gate 4 is opened into the bin gate parallel with drilling rod 1 and props up pad 5, be installed with barrel 6 on drill bit leg 3, the bottom of barrel 6 and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod 1 extends to the opposite direction that drill bit creeps into, namely extend towards the aperture direction of boring.
For ease of fully with rubble from the interior taking-up of barrel 6, offer discharging opening 7 near place, its bottom on barrel 6, discharging opening 7 places are provided for the bed material door 8 of this discharging opening of opening and closing of fault.Most of rubble mainly takes out from the top end opening of barrel 6, and the residual rubble of barrel 6 bottoms takes out from discharging opening.Concrete, be provided with chute at the marginal position place of discharging opening 7, bed material door 8 both sides are inserted in chute, and manual operation bed material door 8 slides in chute, realizes opening or closing of bed material door 8.
For guaranteeing as far as possible the concentricity of barrel 6 and drilling rod 1, the top of barrel 6 is fixed with barrel ceiling hold 9, and barrel ceiling hold 9 is cross, and its end is fixed on the top circumference of barrel 6, the steel plate thickness of barrel 6 is suitably larger simultaneously, avoids barrel 6 to cross quick-wearing and distortion.
Bin gate 4 is fan-shaped, and its number is 4～8, and when a plurality of bin gates 4 are all closed, integral body is and take at the center of drill bit leg 3 as the circle in the center of circle.In the present embodiment, the number of bin gate 4 is 8, respectively arranges two on four bars of cross bridge 3, and the center angle of fan-shaped bin gate 4 is 45 °.
The above, it is only preferred embodiment of the present utility model, be not to be the utility model to be done the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (10)
1. the non-mud of pile foundation is got stone convolution drill bit, comprise drilling rod, drill bit leg and the drill bit cross bridge that is positioned at the drill bit leg, the end points of drill bit cross bridge is fixed on the drill bit leg, it is characterized in that: on four bars of described drill bit cross bridge, a plurality of bin gates are installed, the zone sealing that when a plurality of described bin gates are closed, the drill bit leg is surrounded, also be provided with on described drill bit cross bridge be used to preventing that bin gate is opened into the bin gate parallel with drilling rod and props up pad, be installed with barrel on described drill bit leg, the bottom of described barrel and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod extends to the opposite direction that drill bit creeps into.
2. the non-mud of pile foundation according to claim 1 is got stone convolution drill bit, it is characterized in that: offer discharging opening near its place, bottom on described barrel, described discharging opening place is provided for the bed material door of this discharging opening of opening and closing of fault.
3. the non-mud of pile foundation according to claim 2 is got stone convolution drill bit, and it is characterized in that: the top of described barrel is fixed with the barrel ceiling hold, and described barrel ceiling hold is cross, and its end is fixed on described barrel top circumference.
4. the non-mud of pile foundation according to claim 3 is got stone convolution drill bit, it is characterized in that: the top of described barrel is fixed with many guide pegs, described guide peg one end is connected on the circumference of described barrel top, the other end is inclined upwardly and is connected on described drilling rod, and many described guide pegs axis centered by described drilling rod evenly distributes.
5. according to claim 1 and 2 or the 3 or 4 non-mud of described pile foundation are got stone convolution drill bit, and it is characterized in that: a plurality of described bin gates are installed on four bars of described cross bridge by connecting hinge.
6. according to claim 1 and 2 or the 3 or 4 non-mud of described pile foundation are got stone convolution drill bit, and it is characterized in that: described bin gate is fan-shaped, and its number is 4～8, and when a plurality of described bin gates are all closed, integral body is and take at the center of described drill bit leg as the circle in the center of circle.
7. according to claim 1 and 2 or the 3 or 4 non-mud of described pile foundation are got stone convolution drill bit, and it is characterized in that: the maximum opening angle scope of described bin gate is 60 °～75 °.
8. the non-mud of pile foundation is got stone convolution rig, comprise the convolution drill bit, described convolution drill bit comprises drilling rod, drill bit leg and the drill bit cross bridge that is positioned at the drill bit leg, the end points of drill bit cross bridge is fixed on the drill bit leg, it is characterized in that: on four bars of described drill bit cross bridge, a plurality of bin gates are installed, the zone sealing that when a plurality of described bin gates are closed, the drill bit leg is surrounded, also be provided with on described drill bit cross bridge be used to preventing that bin gate is opened into the parallel bin gate of drilling rod and props up pad, be installed with barrel on described drill bit leg, the bottom of described barrel and drill bit leg circumference are connected, cylindrical shell axis centered by drilling rod extends to the opposite direction that drill bit creeps into.
9. the non-mud of pile foundation according to claim 8 is got stone convolution rig, it is characterized in that: offer discharging opening near its place, bottom on described barrel, described discharging opening place is provided for the bed material door of this discharging opening of opening and closing of fault.
10. the non-mud of pile foundation according to claim 8 is got stone convolution rig, and it is characterized in that: the top of described barrel is fixed with the barrel ceiling hold, and described barrel ceiling hold is cross, and its end is fixed on described barrel top circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725775 CN203008784U (en) | 2012-12-26 | 2012-12-26 | Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220725775 CN203008784U (en) | 2012-12-26 | 2012-12-26 | Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation |
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| Publication Number | Publication Date |
|---|---|
| CN203008784U true CN203008784U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220725775 Expired - Fee Related CN203008784U (en) | 2012-12-26 | 2012-12-26 | Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation |
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| CN (1) | CN203008784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718493A (en) * | 2022-05-07 | 2022-07-08 | 江西东锐机械有限公司 | Hole cleaning device for down-the-hole drill |
| CN114893141A (en) * | 2022-05-07 | 2022-08-12 | 江西东锐机械有限公司 | Material taking barrel device for down-the-hole drill |
-
2012
- 2012-12-26 CN CN 201220725775 patent/CN203008784U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718493A (en) * | 2022-05-07 | 2022-07-08 | 江西东锐机械有限公司 | Hole cleaning device for down-the-hole drill |
| CN114893141A (en) * | 2022-05-07 | 2022-08-12 | 江西东锐机械有限公司 | Material taking barrel device for down-the-hole drill |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181226 |