CN201358714Y - Spiral drilling machine of formed concrete pile - Google Patents
Spiral drilling machine of formed concrete pile Download PDFInfo
- Publication number
- CN201358714Y CN201358714Y CNU2009200841355U CN200920084135U CN201358714Y CN 201358714 Y CN201358714 Y CN 201358714Y CN U2009200841355 U CNU2009200841355 U CN U2009200841355U CN 200920084135 U CN200920084135 U CN 200920084135U CN 201358714 Y CN201358714 Y CN 201358714Y
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- drilling
- drilling tool
- hollow drill
- spiral
- drilling machine
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Abstract
The utility model discloses a spiral drilling machine of a formed concrete pile. The spiral drilling machine comprises a chassis, a drilling tower, a lifting system and a drilling tool and is provided with a spiral cutter blade and a hollow drilling rod, wherein the drilling tower is arranged on the chassis; the drilling tool is arranged on the drilling tower by the lifting system on the drilling tower; the drilling tool is provided with the spiral cutter blade and the hollow drilling rod, the top end of the drilling tool is communicated with one end of a concrete feeding pipe by a power head, and the lower end thereof is provided with a drilling bit; a valve plate is arranged at a discharge hole at the lower end of the hollow drilling rod; and the drilling tool is formed by integrating an upper part, a lower part and a middle part which is used for connecting the upper part and the lower part. The spiral drilling machine can be used for construction with high quality conveniently and fast under various geological conditions; the working efficiency is improved; the construction cost is lowered; meanwhile, the designed shape of the pile can be kept effectively, and the usage of the concrete is reduced.
Description
Technical field
The utility model relates to the spiral drilling machine technical field, more specifically relates to a kind of spiral drilling machine of 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.
Summary of the invention
The purpose of this utility model is the spiral drilling machine that has been to provide a kind of moulding concrete pile.Simple in structure, easy to use, this spiral drilling machine is under various geological conditionss, can be easily and fast, construct in high quality, improved operating efficiency, reduced construction costs, keep simultaneously the design shape of pile body effectively, can also save concrete consumption.
To achieve these goals, the utility model adopts following technical measures:
This utility model 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, spiral drilling machine comprises the chassis, boring tower, jacking system, drilling tool, be provided with the band screw blade, hollow drill, drilling tool is by having large diameter top, the connection middle part of inversed taper platform shape is formed with the bottom that has than minor diameter, 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, the lower end of drilling tool is provided with drill bit, and the discharging opening place is provided with valve plate in the lower end of described hollow drill.Described drilling tool is made of upper and lower part and the middle part one that connects described upper and lower, and described drilling tool upper part diameter is greater than the diameter of described drilling tool bottom.(1.5---7)∶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 two.In addition, as to further improvement of the utility model, the middle part of described drilling tool is an inversed taper platform shape.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 of hollow drill 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 communicates with the cement paste nozzle.In addition, as to further improvement of the utility model, described cement paste nozzle is set in place under the non-stress face of the screw blade of described drilling tool bottom, and should not exceed the non-stress face edge of described screw blade.The quantity of nozzle is two or two, and the axis that they are symmetrical in described hollow drill distributes.
The utility model compared with prior art, have the following advantages and effect: adopt the spiral drilling machine that is used for the moulding concrete pile in the utility model, under various geological conditionss, can be convenient, 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 the pile body supporting capacity can be guaranteed and improve, concrete consumption can also be saved simultaneously, 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
Fig. 1 is a kind of overall schematic of spiral drilling machine of moulding concrete pile:
Can see that in the figure spiral drilling machine of the present utility model is circumscribed with concrete pump, concrete mixer and slush pump, slurry mixer.
Fig. 2 is a kind of detail elevation of spiral drilling machine of moulding concrete pile:
Fig. 3 (a) is the detailed view of drilling tool in a kind of spiral drilling machine of moulding concrete pile:
Fig. 3 (b) is provided with the partial enlarged view of structure on screw blade for a kind of spiral drilling machine of moulding concrete pile.
The specific embodiment
Below with reference to Fig. 1～3 (b) 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.
Described spiral drilling machine 20 comprises chassis 22, boring tower 24, jacking system 26, drilling tool 28, is provided with band screw blade 28a, hollow drill 28b, drilling tool 28 is made up of connection middle part 28d with large diameter top 28e, inversed taper platform shape and the bottom 28e that has than minor diameter, and its annexation is: be arranged on the boring tower 24 on the chassis 22 and be 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 28e, 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, thereby drive hollow drill 28b rotation and in hollow drill 28b, be axially arranged with an interior Grouting Pipe 34 along it to carry out bore operation, interior Grouting Pipe 34 upper ends are provided with slurry casting machine 36, slurry casting machine 36 is through outside flow inlet 38 and cement paste supply source, and promptly 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 is to prevent obstruction, 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 according to soil behaviour, when hard soil horizon is constructed, the spray angle of nozzle 42 can be changed into horizontal by 10 °～45 ° angles.Nozzle 42 is generally two and be symmetrical in hollow drill 28b axis and distribute, and also can adopt three or two 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.
Claims (4)
1, a kind of spiral drilling machine of moulding concrete pile, comprise chassis (22), boring tower (24), jacking system (26), drilling tool (28), be provided with band screw blade (28a), hollow drill (28b), it is characterized in that: be arranged on the boring tower (24) on the chassis (22) and be installed in drilling tool (28) on the boring tower (24) by the jacking system (26) on the boring tower (24), described drilling tool (28) is provided with the hollow drill (24) of band screw blade, its top is interconnected through an end of unit head and concrete feeding pipe, the lower end of drilling tool (28) is provided with drill bit, discharging opening place, lower end at described hollow drill (28b) is provided with valve plate, and described drilling tool (28) is by last, bottom and the middle part one formation that connects described upper and lower.
2, the spiral drilling machine of a kind of moulding concrete pile according to claim 1 is characterized in that: the middle part of described drilling tool (28) is an inversed taper platform shape, and the inversed taper platform shape at the middle part of drilling tool (28) is two.
3, the spiral drilling machine of a kind of moulding concrete pile according to claim 1, it is characterized in that: be axially arranged with interior Grouting Pipe along it in the described hollow drill (28b), hollow drill (28b) 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 communicates with the cement paste nozzle.
4, the spiral drilling machine of a kind of moulding concrete pile according to claim 3, it is characterized in that: described cement paste nozzle is set in place under the non-stress face of the screw blade screw blade (28a) of drilling tool (28) bottom, the non-stress face edge of described screw blade screw blade (28a), the quantity of nozzle is two, and the axis of described hollow drill hollow drill (28b) distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200841355U CN201358714Y (en) | 2009-03-13 | 2009-03-13 | Spiral drilling machine of formed concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200841355U CN201358714Y (en) | 2009-03-13 | 2009-03-13 | Spiral drilling machine of formed concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201358714Y true CN201358714Y (en) | 2009-12-09 |
Family
ID=41424476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200841355U Expired - Fee Related CN201358714Y (en) | 2009-03-13 | 2009-03-13 | Spiral drilling machine of formed concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201358714Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362461A (en) * | 2013-07-08 | 2013-10-23 | 阙列东 | Long spiral drilling machine and drill bit thereof |
-
2009
- 2009-03-13 CN CNU2009200841355U patent/CN201358714Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362461A (en) * | 2013-07-08 | 2013-10-23 | 阙列东 | Long spiral drilling machine and drill bit thereof |
| CN103362461B (en) * | 2013-07-08 | 2016-01-13 | 阙列东 | Long-spiral drilling machine and drill bit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20140313 |