CN2540491Y - Rotary drilling machine for mould concrete pile - Google Patents
Rotary drilling machine for mould concrete pile Download PDFInfo
- Publication number
- CN2540491Y CN2540491Y CN 02203243 CN02203243U CN2540491Y CN 2540491 Y CN2540491 Y CN 2540491Y CN 02203243 CN02203243 CN 02203243 CN 02203243 U CN02203243 U CN 02203243U CN 2540491 Y CN2540491 Y CN 2540491Y
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- drilling machine
- drilling tool
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Abstract
The utility model relates to a screw drill for shaping concrete pile, which comprises a chassis, a drill tower on the chassis, and a boring tool mounted on the drill tower via a lifting system on the drill tower, wherein the boring tool is arranged with a hollow drill rod with a screw blade, which top via a power head is rotationally communicated with one end of a concrete feeding tube and lower end is provided with a drill head, the material outlet at lower end of the hollow drill rod is arranged with a valve plate. The boring tool is composed of an upper portion, a lower portion, and a middle portion connecting the upper and lower portions integrally, while the diameter of the upper portion is larger than the lower portion, the middle portion is in reverse taper shape, which extension line of inclined face is 5-90 degrees cornered with the central axis of concrete pile.
Description
Technical field
The utility model relates to a kind of spiral drilling machine that is used for the moulding concrete pile.
Background technology
Along with the high speed development of building trade, construction work is more and more higher to the design and construction requirement of ground, so concrete pile obtains application more and more widely in engineerings such as highrise building, bridge, harbour and coastal waters building.In order to make concrete pile can satisfy architectural design requirements such as resistance to deformation, antidetonation, need the shape and structure of concrete pile is improved, make it have specific shape, the while can also meet design requirement and save concrete amount.But rig commonly used is difficult to the concrete pile that moulding has given shape in builing industry at present, and efficient is not high, and operation easier is bigger.
The utility model content
Therefore, the purpose of this utility model is to overcome above problem, and a kind of spiral drilling machine that is used for the moulding concrete pile is provided.This spiral drilling machine can be easily and fast, construct in high quality under various geological conditionss, increases work efficiency, and reduces construction costs, can also keep the design shape of pile body simultaneously effectively, saves concrete consumption simultaneously,
To achieve these goals, the utility model provides a kind of spiral drilling machine that is used for the moulding concrete pile, it comprises the chassis, be arranged on the boring tower on the chassis and be installed in drilling tool on the boring tower by the jacking system on the boring tower, described drilling tool is provided with the hollow drill of band screw blade, its top is interconnected rotatably through an end of unit head and concrete feeding pipe, its lower end is provided with drill bit, the discharging opening place is provided with valve plate in the lower end of described hollow drill, described drilling tool is by top, bottom and the middle part one formation that connects described upper and lower, described upper part diameter is greater than the diameter of described bottom.
In addition, as to further improvement of the utility model, the upper part diameter of described drilling tool and the diameter ratio of its underpart are (1.2～8): 1.
Be that as another improvements of the present utility model the middle part of described drilling tool is an inversed taper platform shape.
Be that as an improvement part more of the present utility model the inversed taper platform shape at the middle part of described drilling tool is two or more.
In addition, as to further improvement of the utility model, the middle part of described drilling tool is an inversed taper platform shape.The angle of the inclined-plane extended line at described inversed taper platform shape middle part and the central axis of drilling rod is 5～90.
In addition, as to further improvement of the utility model, be axially arranged with interior Grouting Pipe along it in described hollow drill, its upper end links to each other with the outside flow inlet that is used to supply with cement paste, and the lower end of described interior Grouting Pipe is communicated with the cement paste nozzle.
In addition, as to further improvement of the utility model, described cement paste nozzle is set in place in the non-stress face of the screw blade of described drilling tool bottom down and should not exceed the non-stress face edge of described screw blade.The quantity of nozzle is two or more, and the axis that they are symmetrical in described hollow drill distributes.
Adopt the spiral drilling machine that is used for the moulding concrete pile in the utility model, under various geological conditionss, can be easily and fast, construct in high quality, increase work efficiency, produce concrete pile, and keep the design shape of pile body effectively, reduce construction costs with given shape.The concrete pile that produces by spiral drilling machine of the present utility model not only can guarantee and improve the pile body supporting capacity, simultaneously can also save concrete consumption, for example under equal conditions, with the concrete material of equivalent amount, the supporting capacity that can improve pile body reaches more than 80%.
Description of drawings
Can more be expressly understood characteristics of the present utility model and advantage from the following drawings, wherein:
Fig. 1 is the overall schematic of spiral drilling machine of the present utility model, can see in the figure, and spiral drilling machine of the present utility model is circumscribed with concrete pump, concrete mixer and slush pump, slurry mixer.
Fig. 2 is the detail elevation of spiral drilling machine of the present utility model;
Fig. 3 (a) is the detailed view of drilling tool in the utility model spiral drilling machine; Fig. 3 (b) is provided with the partial enlarged view of structure on screw blade for expression cement paste nozzle.
Below the specific embodiment, the utility model spiral drilling machine 20 that is used to form concrete pile and the drilling tool 28 that is used for this rig are elaborated with reference to Fig. 1-3 (b).
Described spiral drilling machine 20 comprises chassis 22, is arranged on the boring tower 24 on the chassis 22 and is installed in drilling tool 28 on the boring tower 24 by the jacking system on the boring tower 26.Drilling tool 28 is provided with the hollow drill 28b of band screw blade 28a.Drilling tool 28 is by having large diameter top 28c, the connection middle part 28d of inversed taper platform shape and the bottom 28e one that has than minor diameter constitute, its concrete structure, design parameters are consistent with the structure and parameter of preformed concrete pile, so here be not described in further detail.The top of hollow drill 28b is interconnected rotatably through the end of unit head 30 with concrete feeding pipe 32, and the other end of concrete feeding pipe 32 links to each other with concrete pump 41 to realize supplying with concrete in hollow drill 28b.Motor 31 can drive unit head 30 by not shown reducing gear and rotate, and rotates to carry out bore operation thereby drive hollow drill 28b.In hollow drill 28b, be axially arranged with an interior Grouting Pipe 34 along it.Interior Grouting Pipe 34 upper ends are provided with slurry casting machine 36, slurry casting machine 36 through outside flow inlet 38 with the cement paste supply source, be that mixer 40a links to each other with slush pump 40b.The lower end of interior Grouting Pipe 34 is connected with cement paste nozzle 42.Shown in Fig. 3 (b), described cement paste nozzle 42 is arranged under the non-stress face of foot screw blade 28a, and the non-stress face edge that should not exceed screw blade 28a stops up preventing.Like this, when boring, by the cement paste of cement paste nozzle 42 soil horizon ejection towards periphery, to form cement paste reaming retaining wall layer 12 on the soil horizon around by interior Grouting Pipe 34 supplies.In the present embodiment, the axial approximate vertical of the direction of nozzle 42 and hollow drill 28b, but those of ordinary skills should understand, according to actual conditions, for example, when hardpan is constructed, the spray angle of nozzle 42 can be changed into horizontal by 10～45 angles according to soil behaviour.Nozzle 42 is generally two and be symmetrical in hollow drill 28b axis and distribute, and also can adopt three or more certainly.Be welded with drill bit 44 in the lower end of hollow drill 28b, between the lower end of hollow drill 28b discharging opening and drill bit 44, be provided with the valve plate 46 of the lower end discharging opening of closed hollow drilling rod 28b, the lower end of valve plate 46 can be hinged on the drill bit 44 and by the control device (not shown) as spring that is fixed on drill bit and the valve plate and control the unlatching of valve plate 46 with respect to hollow drill 28b lower end, to realize concrete discharge.Certainly, also can adopt other device or structure to control the unlatching of valve plate with respect to hollow drill 28b, can number be the utility model patent of ZL96212544.X referring to the applicant's notice of authorization for example.
Above content only is a most preferred embodiment of the present utility model.What should emphasize is that under the prerequisite that does not break away from the utility model thought, various modification and improvement that those of ordinary skills do the utility model all should fall in the protection domain of the present utility model.
Claims (8)
1. spiral drilling machine that is used for the moulding concrete pile, it comprises the chassis, be arranged on the boring tower on the chassis and be installed in drilling tool (28) on the boring tower by the jacking system on the boring tower, described drilling tool is provided with the hollow drill (28b) of band screw blade (28a), its top is interconnected rotatably through the end of unit head (30) with concrete feeding pipe (32), its lower end is provided with drill bit (44), be provided with valve plate (46) at the lower end of described hollow drill discharging opening, it is characterized in that: described drilling tool is by top (28c), bottom (28e) and middle part (28d) the one formation that connects described upper and lower, the diameter of described top (28c) is greater than the diameter of described bottom (28e).
2. spiral drilling machine according to claim 1 is characterized in that: the diameter on the top (28c) of described drilling tool (28) and the diameter ratio of its underpart (28e) are (1.2～8): 1.
3. spiral drilling machine according to claim 2 is characterized in that: the middle part of described drilling tool (28d) is inversed taper platform shape.
4. spiral drilling machine according to claim 2 is characterized in that: the inversed taper platform shape at the middle part of described drilling tool is two or more.
5. spiral drilling machine according to claim 3 is characterized in that: the angle of the inclined-plane extended line at described inversed taper platform shape middle part and the central axis (I) of drilling rod is 5～90.
6. according to any described spiral drilling machine among the claim 1-5, it is characterized in that: in described hollow drill (28b), be axially arranged with interior Grouting Pipe (34) along it, its upper end links to each other with the outside flow inlet (38) that is used to supply with cement paste, and the lower end of described interior Grouting Pipe is communicated with cement paste nozzle (42).
7. spiral drilling machine according to claim 6 is characterized in that: described cement paste nozzle (42) is set in place under the non-stress face of the screw blade of described drilling tool bottom and does not exceed the non-stress face edge of described screw blade.
8. spiral drilling machine according to claim 7 is characterized in that: the quantity of nozzle 42 is two or more, and the axis that they are symmetrical in described hollow drill (28b) distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203243 CN2540491Y (en) | 2002-01-29 | 2002-01-29 | Rotary drilling machine for mould concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203243 CN2540491Y (en) | 2002-01-29 | 2002-01-29 | Rotary drilling machine for mould concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540491Y true CN2540491Y (en) | 2003-03-19 |
Family
ID=33685524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02203243 Expired - Fee Related CN2540491Y (en) | 2002-01-29 | 2002-01-29 | Rotary drilling machine for mould concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540491Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298937C (en) * | 2004-04-05 | 2007-02-07 | 河北工业大学 | Technical method for pouring reinforced concrete pipe pile in large diameter on location and equipment |
| CN1303308C (en) * | 2003-04-24 | 2007-03-07 | 何庆林 | Earth auger of making concrete pile |
| CN100374656C (en) * | 2005-05-26 | 2008-03-12 | 广东省航盛工程有限公司 | Construction method for large-diameter tilted socketed pile |
| 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 |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN108825266A (en) * | 2018-08-29 | 2018-11-16 | 丹东丹银矿冶有限责任公司 | A kind of mating integrated apparatus constructed for the artificial concrete pillar in underground |
-
2002
- 2002-01-29 CN CN 02203243 patent/CN2540491Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303308C (en) * | 2003-04-24 | 2007-03-07 | 何庆林 | Earth auger of making concrete pile |
| CN1298937C (en) * | 2004-04-05 | 2007-02-07 | 河北工业大学 | Technical method for pouring reinforced concrete pipe pile in large diameter on location and equipment |
| CN100374656C (en) * | 2005-05-26 | 2008-03-12 | 广东省航盛工程有限公司 | Construction method for large-diameter tilted socketed pile |
| 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 |
| CN104329020A (en) * | 2014-10-14 | 2015-02-04 | 北京中岩大地工程技术有限公司 | Reinforced long-screw rock-socketed construction equipment and process thereof |
| CN108825266A (en) * | 2018-08-29 | 2018-11-16 | 丹东丹银矿冶有限责任公司 | A kind of mating integrated apparatus constructed for the artificial concrete pillar in underground |
| CN108825266B (en) * | 2018-08-29 | 2024-03-01 | 丹东丹银矿冶有限责任公司 | Matched integrated device for underground artificial concrete ore pillar construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |