CN202706931U - Drilled pile construction drilling tool with stone fetching function - Google Patents
Drilled pile construction drilling tool with stone fetching function Download PDFInfo
- Publication number
- CN202706931U CN202706931U CN 201220286087 CN201220286087U CN202706931U CN 202706931 U CN202706931 U CN 202706931U CN 201220286087 CN201220286087 CN 201220286087 CN 201220286087 U CN201220286087 U CN 201220286087U CN 202706931 U CN202706931 U CN 202706931U
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- stone
- drilling
- drilled pile
- drags
- pile construction
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Abstract
The utility model belongs to the field of drilled pile foundation construction technology in the bridge engineering, particularly relates to a drilled pile construction drilling tool with a stone fetching function, and solves the problem that construction process is slow in a stratum containing stones through adoption of an existing drilled pile construction method. The drilled pile construction drilling tool with the stone fetching function comprises a stone storage system, a stone fetching system and a stone discharge system. The stone storage system comprises a drilling bucket, an upper sealing plate and a lower sealing plate. The stone fetching system comprises a stone feeding guiding system and a stone fetching component. The stone discharge system comprises a stone cabin door and a locking steel plate. A drilling system comprises a counterboring cutting head. The drilled pile construction drilling tool with the stone fetching function has the advantages that the drilled pile construction drilling tool provides a novel reverse circulation drilling method and discharges slag through the stone fetching system and a traditional reverse circulation drilling method; in the process of drilling, big stones are squeezed into the drilling tool, other drilling slag is pumped out, stone crushing time is reduced, and efficiency is improved; and the drilled pile construction drilling tool is simple in structure, convenient to manufacture, wide in adaptability, and applicable for most soil stratums containing pebbles or stones through connection with various rotation reverse circulation drilling machine.
Description
Technical field
The utility model belongs to the technical field of Bored Pile Foundation construction in the bridge engineering, is specifically related to a kind of drilled pile construction drilling tool that drags for the stone function that has.
Background technology
Carry out drilled pile construction in containing the stratum of rock, mainly contain at present three kinds of modes: a kind of is to adopt the rotary drilling rig construction, larger to the infringement of rig drilling bucket when stone is hard and larger, and progress is slower; The second is to adopt percussive drill, and this mode is in the situation that the poor hole of easily collapsing of soil layer condition; The third is to adopt slewing drilling machine, and progress is slower when stone is hard and larger.
Summary of the invention
Goal of the invention of the present utility model is in order to solve existing drilled pile construction method slow problem of construction speed in containing the stratum of rock, a kind of drilled pile construction drilling tool that drags for the stone function that has is provided, cooperate the rotary inverse circulation rig to use, easy and simple to handle, efficient is high, economical and practical.
The utility model adopts following technical scheme to realize:
Have the drilled pile construction drilling tool that drags for the stone function, comprise drilling system, described drilling system comprises knife rest and is arranged at knife rest bottom alloy tool steel bit, and described drilling tool also comprises the storage stone system, drags for stone system, unloads stone system,
Described storage stone system comprises the drilling bucket of drum type brake, the upper hush panel of drilling bucket top setting and the lower seal oralia that the drilling bucket bottom arranges; The described stone system that drags for comprises into the stone guide cylinder and being used for of advancing that stone guide cylinder top arranges dragged for stone drags for the stone member; The described stone system that unloads comprises and unloads stone door and fore shaft steel plate; Described drilling system also comprises the reaming cutter that is arranged at the drilling bucket lower end;
Upper hush panel top is provided with the joint for being connected with drilling rod cylindraceous that communicates with drilling bucket inside, joint axis and drilling bucket dead in line;
Lower seal oralia bottom be provided with the inner UNICOM of drilling bucket advance the stone guide cylinder, the dead in line of advancing axis and the drilling bucket of stone guide cylinder, the stone member that drags for that advances the setting of stone guide cylinder top is netted wire rope,
The drilling bucket bottom is welded to connect the knife rest of double-vane scraping board type along diametric(al), knife rest is positioned at the below of lower seal oralia, and the outside, lower end of drilling bucket is arranged symmetrically with two reaming cutters;
The middle part of drilling bucket be provided with can rotate also can fix unload the stone door.
The drilling bucket inner upper end is provided with the separation net that is welded by reinforcing bar, and the size of mesh opening of separation net is less than or equal to 2/3 of the drilling rod internal diameter.
Advance to be evenly equipped with 6-8 on the top circumference direction of stone guide cylinder and bend the retainer ring that forms by reinforcing bar, the angle of retainer ring and 25 ~ 45 ° of lower seal oralia maintenances is dragged for the stone member and is fixed on each retainer ring.
Unload the stone door by rotating shaft, connection rotating shaft and unload the stone door turn tongue and drilling bucket is rotationally connected, rotating shaft and turn tongue and respectively arrange two.
Knife rest vertically part is welded with the steel plate I of putting more energy into, and totally two of the steel plate I of putting more energy into lay respectively at the vertical part of knife rest both wings, and arrange in the both sides of knife rest.
The reaming cutter side is welded with the triangular shaped steel plate II of putting more energy into.
Unload the openable side of stone door and be provided with the fore shaft steel plate, the fore shaft steel plate is positioned at and unloads the stone door outside, all is provided with the door lockhole that can overlap on fore shaft steel plate and the drilling bucket, and is equipped with the screw rod that locking is used.
Use the utility model, carry out drilled pile construction according to the following step: 1. the rotary inverse circulation rig is in place, slurrying; 2. drilling tool is installed, correcting plane position and gradient; 3. rig creeps into, and common boring mud is by the anti-discharge that circulates of mud, drags for the stone member than the ratchel utilization and it is dragged for into drilling bucket stores; 4. when the stone storage is full in pore-forming or the drilling bucket, carry brill, unload drilling tool, open and unload the stone door, manually stone is removed, close and unload the stone door, enter step 2..
The utlity model has following beneficial effect: 1. provide a kind of new reverse circulation drilling mode, by dragging for stone system and classical inverse circulation dual mode deslagging; 2. in the boring procedure, larger stone is squeezed into drilling tool, and all the other boring muds are drawn out of, and has reduced the time of creeping into middle broken stone, has improved drilling efficiency; 3. drilling tool structure is simple, and is easy to make; 4. the method applicability is wide, and by connecting various rotary inverse circulation rigs, the soil property stratum that major part is contained cobble or stone can both be suitable for.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the figure that partly cuts open of the present utility model,
Fig. 3 is the I-I sectional drawing of Fig. 1,
Fig. 4 is the II-II sectional drawing of Fig. 1,
Among the figure: the 1-drilling bucket, 2-joint, 3-unload the stone door, the 4-rotating shaft, 5-turns tongue, 6-door lockhole, the upper hush panel of 7-, 8-lower seal oralia, 9-advances the stone guide cylinder, the 10-steel plate 1 of putting more energy into, 11-reaming cutter, the 12-steel plate 2 of putting more energy into, the 13-knife rest, 14-alloy tool steel bit, 15-retainer ring, 16-drags for the stone member, 17-separation net, 18-fore shaft steel plate.
The specific embodiment
By reference to the accompanying drawings the specific embodiment of the present utility model is described further.
1, structure of the present utility model.
Having the drilled pile construction that drags for the stone function comprises drilling system, drags for stone system, stores up stone system, unloads stone system with drilling tool; Drilling system comprises the alloy tool steel bit of knife rest, knife rest bottom and the reaming cutter of drilling bucket lower end; Drag for stone system comprise be used for dragging for stone into stone guide cylinder and top thereof drag for the stone member; The storage stone system comprises the upper hush panel on drilling bucket, drilling bucket top, the lower seal oralia of drilling bucket bottom; Unloading stone system comprises and unloads stone door, fore shaft steel plate.Wherein:
Upper hush panel is arranged at drilling bucket cylinder top, is fixed with joint on the upper hush panel, is used for connecting borer drill rod, joint and drilling bucket dead in line;
The lower seal oralia is arranged at drilling bucket cylinder bottom, have into the stone guide cylinder in the middle of the lower seal oralia, gather to dragging for the stone member for stone that will be larger, advance stone guide cylinder and drilling bucket dead in line, enter stone guide cylinder top and drag for the stone member, be used for and clamp-on drilling bucket than ratchel, after stone is clamp-oned drilling bucket, have stone is held the effect that it is fallen;
The lower seal oralia bottom of drilling bucket is welded with the double-vane scraping board type knife rest of alloy tool steel bit along diametric(al), the cylinder lower outside of drilling bucket is arranged symmetrically with two reaming cutters;
The stone door is unloaded at the middle part of drilling bucket, unloads the stone door and can rotate so that open a position and unload stone, and an openable side has the fore shaft steel plate, and the fore shaft steel plate is positioned at the door outside.
There is separation net position about the upper hush panel 20cm of drilling bucket upper end distance, and separation net is welded by reinforcing bar, and size of mesh opening is slightly less than 2/3 of drilling rod internal diameter, prevents that larger stone from entering drilling rod and causing obstruction.
Dragging for the stone member fixes and is woven into netted by retainer ring, retainer ring is bent by reinforcing bar and forms, and retainer ring and lower seal oralia keep about 30 ° angle, and annulus is positioned on the lower seal oralia and tries one's best near advancing the stone guide cylinder, retainer ring has 6-8, is evenly arranged around advancing the stone guide cylinder.
Unload the stone door by the rotation that tongue is realized door that turns of rotating shaft, connection rotating shaft and door, rotating shaft, turn tongue and respectively have two.
Knife rest vertically part is welded with the steel plate 1 of putting more energy into, and totally two of the steel plates 1 of putting more energy into lay respectively at the vertical part of knife rest both wings, and arrange in the both sides of knife rest.
The reaming cutter side has been welded with the similar leg-of-mutton steel plate 2 of putting more energy into.
The door lockhole is arranged on fore shaft steel plate and the drilling bucket, and when unloading the stone door and close, lockhole overlaps, and screw thread is arranged in the lockhole, can realize by screw rod the locking of door.
2, making of the present utility model.
According to the design diameter roll of steel plate is made cylindric as drilling bucket, solder joint.Cut out and unload the stone window mouth according to unloading the stone requirement in the drilling bucket centre position, the stone door is unloaded in the lower steel plate conduct of cutting.Unloading two rectangular recess of the long limit of stone window mouth one side cutting, cutting position unloads up and down minor face 1/3 place of stone window mouth in distance.Get a block plate and cut into circle, diameter is the drilling bucket internal diameter, then go out circle into stone guide cylinder external diameter size as the lower seal oralia in the steel plate heartcut, to advance the stone guide cylinder is welded on this steel plate, guarantee that cylinder one side is concordant with steel plate, along 7 retainer rings of cylinder welding, retainer ring is bent by reinforcing bar and forms in the one side of cylinder and plate joint, retainer ring and steel plate keep about 30 ° angle, and annulus is positioned at lower seal oralia one side.As dragging for the stone member, utilize retainer ring to weave wire rope with wire rope, be made into nettedly, steel cable termina uses jig to fix.The lower seal oralia is welded in the drilling bucket bottom, welds biplane scraper plate knife rest in lower sealing board diameter direction, welding alloy steel knife head on knife rest.The vertical part welding steel plate 1 of putting more energy on knife rest, totally two of the steel plates of putting more energy into lay respectively at the vertical part of knife rest both wings, and arrange in the both sides of knife rest.With Φ 25 reinforcing bars welding reinforced mesh, sizing grid is slightly less than 2/3 of drilling rod internal diameter, and the exterior contour on reinforced mesh plane is circular, and diameter is identical with the drilling bucket internal diameter, after having welded the net sheet it is welded in drilling bucket away from an end of lower seal oralia, the about 20cm of hush panel on the distance.Cut into circle with steel plate, diameter is the drilling bucket internal diameter, then circle that the steel plate heartcut goes out joint external diameter size as on hush panel, joint is welded on this steel plate, joint is made by steel pipe, there is the condition that is connected with drilling rod the upper end.Upper hush panel is welded in drilling bucket top, guarantees that joint and drilling bucket are concentric.The one end welding of the long limit of steel plate when the stone Hatch Opening is unloaded in cutting under the cutting turns tongue, turning tongue is formed by the steel plate cutting, be shaped as " kitchen knife form ", " hilt " end with unload stone door welding, the other end has circular hole, Circularhole diameter is slightly larger than the rotating shaft diameter, the position that turns the tongue welding is corresponding with the drilling bucket groove location, unloading rectangle fore shaft steel plate of another centre position, long limit welding of stone door, half stretches out door rectangular steel plates, open a circular hole at the center of stretching out the door part, screw thread is arranged in the circular hole, turn tongue and fore shaft steel plate and all be welded in the door outside.Respectively overlap a rotating shaft in the tongue circular hole with unloading turning of stone door, rotating shaft is made by round steel, then the door rotating shaft is welded in the both sides that drilling bucket is reserved groove, guarantees that door can rotate.Close and unload the stone door, on drilling bucket, open a circular hole corresponding to the position of fore shaft steel plate lockhole, screw thread is arranged in the circular hole, during use with screw rod with the door locking.At lower seal oralia one end drilling bucket outside welding reaming cutter, reaming cutter is arranged symmetrically with, and totally two, welds the steel plate 2 of putting more energy at the reaming cutter back;
3, use of the present utility model
1. the rotary inverse circulation rig is in place, slurrying; 2. the drilling tool of making is connected on the rotary inverse circulation rig, will unloads the stone door with bolt and tighten, correcting plane position and gradient; 3. rig creeps into, under the drive of drilling rod, the reaming cutter of the alloy cutter head on the knife rest and drilling bucket bottom creeps into stratum cutting, common boring mud is by the anti-discharge that circulates of mud, larger stone is under the guiding of advancing the stone guide cylinder, extruding is dragged for stone member (flexibility) and is entered drilling bucket, stone is to mobile all around under centrifugal action, all there is the sealing steel plate drilling bucket top and the bottom, also have separation net to prevent that larger stone from entering drilling rod and cause obstruction near upper hush panel, stone was dragged for the stone member and held and do not fall to the hole this moment; 4. when the stone storage is full in pore-forming or the drilling bucket, carry brill, unload drilling tool, unload the screw rod that locking unloads the stone door, open and unload the stone door, manually stone is removed, close and unload the stone door, enter step 2..
Claims (7)
1. one kind has the drilled pile construction drilling tool that drags for the stone function, comprise drilling system, described drilling system comprises knife rest (13) and is arranged at knife rest (13) bottom alloy tool steel bit (14), it is characterized in that described drilling tool also comprises the storage stone system, drags for stone system, unloads stone system
Described storage stone system comprises the drilling bucket (1) of drum type brake, the upper hush panel (7) of drilling bucket (1) top setting and the lower seal oralia (8) that drilling bucket (1) bottom arranges; The described stone system that drags for comprises into stone guide cylinder (9) and being used for of advancing that stone guide cylinder (9) top arranges dragged for stone drags for stone member (16); The described stone system that unloads comprises and unloads stone door (3) and fore shaft steel plate (18); Described drilling system also comprises the reaming cutter (11) that is arranged at drilling bucket (1) lower end;
Upper hush panel (7) top is provided with the joint (2) for being connected with drilling rod cylindraceous that communicates with drilling bucket (1) inside, joint (2) axis and drilling bucket (1) dead in line;
Lower seal oralia (8) bottom be provided with the inner UNICOM of drilling bucket (1) advance stone guide cylinder (9), advance the dead in line of axis and the drilling bucket (1) of stone guide cylinder (9), the stone member (16) that drags for that advances the setting of stone guide cylinder (9) top is netted wire rope
Drilling bucket (1) bottom is welded to connect the knife rest (13) of double-vane scraping board type along diametric(al), knife rest (13) is positioned at the below of lower seal oralia (8), and the outside, lower end of drilling bucket (1) is arranged symmetrically with two reaming cutters (11);
The middle part of drilling bucket (1) be provided with can rotate also can fix unload stone door (3).
2. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that drilling bucket (1) inner upper end is provided with the separation net (17) that is welded by reinforcing bar, and the size of mesh opening of separation net (17) is less than or equal to 2/3 of drilling rod internal diameter.
3. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that on the top circumference direction of stone guide cylinder (9), being evenly equipped with 6-8 and bend the retainer ring (15) that forms by reinforcing bar, retainer ring (15) keeps 25 ~ 45 ° angle with lower seal oralia (8), drags for stone member (16) and is fixed on each retainer ring (15).
4. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that unloading stone door (3) and be rotationally connected with drilling bucket (1) by rotating shaft (4), connection rotating shaft (4) and the tongue (5) that turns that unloads stone door (3), rotating shaft (4) and turn tongue (5) and respectively arrange two.
5. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that knife rest (13) vertically partly is welded with the steel plate I (10) of putting more energy into, totally two of the steel plate I of putting more energy into (10) lay respectively at the vertical part of knife rest both wings, and arrange in the both sides of knife rest.
6. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that reaming cutter (11) side is welded with the triangular shaped steel plate II (12) of putting more energy into.
7. according to claim 1 have a drilled pile construction drilling tool that drags for the stone function, it is characterized in that unloading the openable side of stone door (3) and be provided with fore shaft steel plate (18), fore shaft steel plate (18) is positioned at and unloads stone door (3) outside, all be provided with the door lockhole (6) that can overlap on fore shaft steel plate (18) and the drilling bucket (1), and be equipped with the screw rod that locking is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286087 CN202706931U (en) | 2012-06-18 | 2012-06-18 | Drilled pile construction drilling tool with stone fetching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220286087 CN202706931U (en) | 2012-06-18 | 2012-06-18 | Drilled pile construction drilling tool with stone fetching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202706931U true CN202706931U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220286087 Withdrawn - After Issue CN202706931U (en) | 2012-06-18 | 2012-06-18 | Drilled pile construction drilling tool with stone fetching function |
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| Country | Link |
|---|---|
| CN (1) | CN202706931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704858A (en) * | 2012-06-18 | 2012-10-03 | 中铁三局集团有限公司 | Drilling rig with stone dragging function for drilled pile construction |
-
2012
- 2012-06-18 CN CN 201220286087 patent/CN202706931U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704858A (en) * | 2012-06-18 | 2012-10-03 | 中铁三局集团有限公司 | Drilling rig with stone dragging function for drilled pile construction |
| CN102704858B (en) * | 2012-06-18 | 2015-12-23 | 中铁三局集团有限公司 | A kind of have the drilled pile construction drilling tool dragging for stone function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |