CN2698954Y - Expanding bucket for drilling and pouring expanded-base pile - Google Patents
Expanding bucket for drilling and pouring expanded-base pile Download PDFInfo
- Publication number
- CN2698954Y CN2698954Y CN 200420050677 CN200420050677U CN2698954Y CN 2698954 Y CN2698954 Y CN 2698954Y CN 200420050677 CN200420050677 CN 200420050677 CN 200420050677 U CN200420050677 U CN 200420050677U CN 2698954 Y CN2698954 Y CN 2698954Y
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- Prior art keywords
- connecting rod
- bucket
- hinged
- expansion
- scraper bowl
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- Expired - Lifetime
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Abstract
The utility model relates to an expanding bucket for a drilling and pouring expanded-base pile, which comprises a body and a bucket section, wherein the body comprises a central post, an elevating post and a hydraulic cylinder, and the movable part of the hydraulic cylinder is fixed to the elevating post; the bucket section comprises at least two bucket pieces and a connecting rod device which makes the bucket pieces expand along horizontal direction; the bucket pieces can be closed into a whole; the connecting rod device is hinged with the elevating post; each bucket piece has a horizontal bottom, a vertical part and an inclined part; a plurality of bucket knives are arranged on one side of the horizontal bottom, one side of the vertical part and one side of the inclined part; the middle of the bucket is provided with a center bit. The bucket section of the utility model is formed by combining a plurality of bucket pieces which form into a hollow whole after closed so as to guarantee enough bearing surface to support the bottom of a pile hole when the bucket pieces is opened for cutting chip. Thereby, the collapse of the pile hole bottom in cutting is prevented. In cutting, the utility model can load the cut soil into a bucket and can carry the soil to ground for transporting to outside so as to prevent slurry from polluting environment.
Description
Technical field
The utility model relates to a kind of scraper bowl, relates in particular to a kind of scraper bowl that bottom, stake hole is expanded the end.
Background technology
In the prior art, as China Patent No. is 91233406.1 utility model patent, discloses a kind of castinplace pile bottom expanding drill, is made up of knife bar, connecting rod, urceolus bar and the inner barrel of axostylus axostyle, band blade, wherein, the axostylus axostyle upper end is for boring joint, and middle hypomere is the thin slightly guide rod of external diameter, its outer spring that is with, hypomere is a push rod, it is enclosed within outside the guide rod, is positioned at the below of spring, and the push rod bottom is provided with wear body; Guide rod upper end and axostylus axostyle upper articulation, the bottom is hinged with a bar by connecting rod; Outer cylinder body is fixedlyed connected with axostylus axostyle, and its sidewall has and its groove that stretches out of the corresponding confession of knife bar; The inner barrel push rod is fixedly connected, is provided with feather key between it and the outer cylinder body.Above-mentioned patent because it directly uses blade to carry out smear metal, does not have other support sections when expanding end operation, therefore, be easy to cause a landslide of bottom, hole; Secondly, the soil that above-mentioned patent smear metal is got off, drill bit can't directly take it to the ground outward transport, must handle the primitive soil in the stake hole by additive method, increase working programme, also cause environment pollution, simultaneously, residue can't be clear in the hole, can not meet design requirement.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, scraper bowl at the bottom of a kind of expansion of boring and expanding bottom pile is provided, and it can prevent a landslide of bottom, hole, and the soil zone that smear metal can be got off is to ground, thoroughly remove stake hole bottom residues, meet design requirement.
Scraper bowl at the bottom of the expansion of a kind of boring and expanding bottom pile that provides according to the utility model, comprise a body and a shovel portion, it is characterized in that: described body comprises a centre strut, one lifting support that is nested with on described centre strut and can moves vertically, the hydraulic cylinder that fixes with described centre strut, movable part in the described hydraulic cylinder and described lifting support fix, described shovel portion comprises at least two shovel sheets and makes the linkage that described shovel sheet can the along continuous straight runs expansion, described shovel sheet can be closed into an integral body, described linkage and described lifting support are hinged, described shovel sheet has a horizontal bottom, one with the perpendicular erection part of horizontal bottom and one and the angled rake of described erection part, described horizontal bottom, one side of described erection part and described rake is provided with a plurality of perching knives, the middle center bit that is provided with of described shovel portion.
Scraper bowl also has following attached technical characterictic at the bottom of the expansion of a kind of boring and expanding bottom pile that provides according to the utility model:
Described linkage comprises the first connecting rod that is parallel to each other and second connecting rod, the third connecting rod that is hinged with described first connecting rod and described second connecting rod middle part and the 4th connecting rod that is hinged with described second connecting rod and described centre strut bottom, one end and the described lifting support of described first connecting rod and second connecting rod are hinged, and the other end and described shovel sheet are hinged.
One end of the piston rod in the described hydraulic cylinder is fixed on the described centre strut by a fixed transverse rod, and the cylinder body of described hydraulic cylinder is connected with described lifting support by an anchor post.
The quantity of described hydraulic cylinder is two, and it is symmetrically distributed in the both sides of described lifting support.
The described hydraulic cylinder outside is provided with a sheath.
The bottom of described lifting support is fixedly tool first projection at regular intervals and second projection vertically, one end of described first connecting rod and described first projection are hinged, the other end and described shovel sheet are hinged, one end of described second connecting rod and described second projection are hinged, and the other end and described shovel sheet are hinged.
The angle of the acute angle of described erection part and described rake extended line is less than 12 °.
The height of described erection part is greater than 500mm.
Described shovel portion regulates and control open diameter smaller or equal to being 5m because of utilizing oil pressure.
The top of described body is provided with a stabilizer.
Scraper bowl has following advantage compared with prior art at the bottom of the expansion of a kind of boring and expanding bottom pile that provides according to the utility model: shovel of the present utility model portion is combined by a plurality of shovel sheets, forms a hollow integral after the shovel sheet closure.At first, can guarantee when opening smear metal have enough supporting surfaces to come the bottom in supporting pile hole, prevent when smear metal, cause a landslide of bottom, hole; Secondly, the utility model in the scraper bowl of the soil that scales off can being packed into, and is transported outward soil zone when smear metal to ground, prevent the mud contamination environment; Once more, maximum bellout diameter of the present utility model can reach 5m, satisfies the needs of most of pile bodies, and range of application is wider.
Description of drawings
Fig. 1 is the collapsed state schematic diagram of the utility model scraper bowl.
Fig. 2 is the combination schematic diagram of the shovel sheet after the utility model scraper bowl collapsed state, can form a whole after the sheet of shovel shown in the figure is packed up.
Fig. 3 is the view of the utility model scraper bowl expansion.
Fig. 4 is the schematic diagram of the shovel sheet behind the utility model scraper bowl expansion state, and the sheet of shovel shown in the figure is at expansion state.
The specific embodiment
Referring to Fig. 1 to Fig. 4, a kind of preferred embodiment that provides according to the utility model, comprise a body 1 and a shovel portion 2, the main distinction of the utility model and prior art is, described body 1 comprises a centre strut 11, one lifting support 12 that is nested with on described centre strut 11 and can moves vertically, the hydraulic cylinder 13 that fixes with described centre strut 11, movable part and described lifting support 12 in the described hydraulic cylinder 13 fix, described shovel portion 2 comprises at least two shovel sheets 21 and makes the linkage 22 that described shovel sheet 21 can the along continuous straight runs expansion, described shovel sheet 21 can be closed into an integral body, described linkage 22 is hinged with described lifting support 12, described shovel sheet 21 has a horizontal bottom 211, one with the perpendicular erection part 212 of described horizontal bottom 211 and one and the angled rake 213 of described erection part 212, described horizontal bottom 211, one side of described erection part 212 and described rake 213 is provided with a plurality of perching knives 214, is provided with center bits 23 in the middle of the described shovel portion 2.Described hydraulic cylinder 13 of the present utility model can promote described lifting support 12 motions, makes described linkage 22 along continuous straight runs expansion, thereby promotes described shovel sheet 21 along continuous straight runs motion, expands end operation.Whole described shovel sheets of the present utility model 21 closed backs form a sealed hollow, and the mount that smear metal can be got off is wrapped up in wherein, and soil is risen to ground, transports outward, and reduces the pollution to environment.Simultaneously,, improved the speed of excavating, also guaranteed simultaneously pre-designed shape is processed in bottom, stake hole because described shovel sheet 21 excavates when can carry out the bottom, vertical direction in a hole and inclined plane.Because the supporting surface of described shovel sheet 21 is bigger, can effectively prevent the landslide at the bottom of the hole, be useful for the use in the relatively abundanter area of underground water.In addition, described shovel sheet 21 of the present utility model has horizontal bottom 211, and therefore, the bottom, stake hole of excavation is more smooth, has higher holding capacity.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the third connecting rod 223 that described linkage 22 comprises the first connecting rod 221 that is parallel to each other and second connecting rod 222, be hinged with described first connecting rod 221 and described second connecting rod 222 middle parts, the 4th connecting rod 224 that is hinged with described second connecting rod 222 and described centre strut 11 bottoms, one end and the described lifting support 12 of described first connecting rod 221 and second connecting rod 222 are hinged, and the other end and described shovel sheet 21 are hinged.Said structure can guarantee that the motion with described lifting support 12 vertical direction converts the motion of horizontal mode to, and described shovel sheet 12 can horizontal direction be expanded, and said structure is fairly simple simultaneously.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, one end of the piston rod 131 in the described hydraulic cylinder 13 is fixed on the described centre strut 11 by a fixed transverse rod 133, and the cylinder body 132 of described hydraulic cylinder 13 is connected with described lifting support 12 by an anchor post 134.Described piston rod 131 of the present utility model is fixed; and described cylinder body 132 moves; by described lifting support 12 motions of the drive of described cylinder body 132; said structure can guarantee that the cavity of described shovel sheet 12 formation is enough big; preventing also simultaneously that described piston rod 131 from stretching in the cavity contacts the described hydraulic cylinder 13 of better protection with soil.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the quantity of described hydraulic cylinder 13 is two, and it is symmetrically distributed in the both sides of described lifting support 12.Make described linkage 22 stressed more even, keep balance.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, described hydraulic cylinder 13 outsides are provided with a sheath 14.Described sheath 14 can the described hydraulic cylinder 13 of better protection, prolongs its application life.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the bottom of described lifting support 12 vertically is provided with first projection 121 and second projection 122, one end of described first connecting rod 221 and described first projection 121 are hinged, the other end and described shovel sheet 21 are hinged, one end of described second connecting rod 222 and described second projection 122 are hinged, and the other end and described shovel sheet 21 are hinged.Described linkage 22 is connected by the projection on the described lifting support 12, can strengthen the intensity of its connection.
Referring to Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the angle of described erection part 212 and the acute angle of described rake 213 extended lines is less than 12 °, the gradient on the inclined-plane of processing guaranteed below 12 °, thereby prevent landslide at the bottom of the hole.
Referring to Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the height of described erection part 212 is greater than 500mm.Can guarantee that the bottom, stake hole that processes has enough bearing capacities.
Referring to Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the diameter after described shovel portion 2 opens is smaller or equal to 5m.The diameter of the bottom, stake hole that the utility model processes can reach 5m, can make the more pile body of polytypic, improves its range of application.
Referring to Fig. 1 and Fig. 3, in a kind of preferred embodiment that provides according to the utility model, the top of described body 1 is provided with a stabilizer 3.Guarantee stablizing when whole scraper bowl moves.
Claims (10)
1, scraper bowl at the bottom of a kind of expansion of boring and expanding bottom pile, comprise a body (1) and a shovel portion (2), it is characterized in that: described body (1) comprises a centre strut (11), one is nested with the lifting support (12) of going up and can moving vertically at described centre strut (11), the hydraulic cylinder (13) that fixes with described centre strut (11), movable part in the described hydraulic cylinder (13) and described lifting support (12) fix, described shovel portion (2) comprises at least two shovel sheets (21) and the linkage (22) that described shovel sheet (21) can along continuous straight runs be expanded, described shovel sheet (21) can be closed into an integral body, described linkage (22) is hinged with described lifting support (12), described shovel sheet (21) has a horizontal bottom (211), one with the perpendicular erection part (212) of described horizontal bottom (211) and one and the angled rake (213) of described erection part (212), described horizontal bottom (211), one side of described erection part (212) and described rake (213) is provided with a plurality of perching knives (214), is provided with center bit (23) in the middle of the described shovel portion (2).
2, scraper bowl at the bottom of the expansion of boring and expanding bottom pile as claimed in claim 1, it is characterized in that: described linkage (22) comprises first connecting rod (221) and the second connecting rod (222) that is parallel to each other, with the third connecting rod (223) that is hinged in the middle part of described first connecting rod (221) and the described second connecting rod (222), the 4th connecting rod (224) that is hinged with described second connecting rod (222) and described centre strut (11) bottom, one end of described first connecting rod (221) and second connecting rod (222) and described lifting support (12) are hinged, and the other end and described shovel sheet (21) are hinged.
3, scraper bowl at the bottom of the expansion of boring and expanding bottom pile as claimed in claim 1 or 2, it is characterized in that: an end of the piston rod (131) in the described hydraulic cylinder (13) is fixed on the described centre strut (11) by a fixed transverse rod (133), and the cylinder body (132) of described hydraulic cylinder (13) is connected with described lifting support (12) by an anchor post (134).
4, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: the quantity of described hydraulic cylinder (13) is two, and it is symmetrically distributed in the both sides of described lifting support (12).
5, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: described hydraulic cylinder (13) outside is provided with a sheath (14).
6, scraper bowl at the bottom of the expansion of boring and expanding bottom pile as claimed in claim 2, it is characterized in that: the bottom of described lifting support (12) vertically is provided with first projection (121) and second projection (122), one end of described first connecting rod (221) and described first projection (121) are hinged, the other end and described shovel sheet (21) are hinged, one end of described second connecting rod (222) and described second projection (122) are hinged, and the other end and described shovel sheet (21) are hinged.
7, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: the angle of the acute angle of described erection part (212) and described rake (213) extended line is less than 12 °.
8, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: the height of described erection part (212) is greater than 500mm.
9, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: described shovel portion (2) because of the diameter after utilizing oil pressure regulation and control and opening smaller or equal to 5m.
10, as scraper bowl at the bottom of the expansion of claim 1 or 2 or 3 described boring and expanding bottom piles, it is characterized in that: the top of described body (1) is provided with a stabilizer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050677 CN2698954Y (en) | 2004-05-09 | 2004-05-09 | Expanding bucket for drilling and pouring expanded-base pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050677 CN2698954Y (en) | 2004-05-09 | 2004-05-09 | Expanding bucket for drilling and pouring expanded-base pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698954Y true CN2698954Y (en) | 2005-05-11 |
Family
ID=34776958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420050677 Expired - Lifetime CN2698954Y (en) | 2004-05-09 | 2004-05-09 | Expanding bucket for drilling and pouring expanded-base pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2698954Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008049292A1 (en) * | 2006-10-25 | 2008-05-02 | Dexin He | Extruding and expanding drill equipment and the drilling method thereof |
| CN101100929B (en) * | 2006-07-05 | 2012-02-08 | 系统计测株式会社 | Bottom enlarging basket bucket |
| CN102383732A (en) * | 2011-07-20 | 2012-03-21 | 上海广联建设发展有限公司 | Sectional type hydraulic foundation expansion drilling bucket |
| CN102979092A (en) * | 2012-12-02 | 2013-03-20 | 张永忠 | Double shear type SMW (Soil Mixing Wall) working method piler |
| CN103485722A (en) * | 2013-09-09 | 2014-01-01 | 浙江鼎业基础工程有限公司 | Novel expanded-base scraper pan and base expanding method thereof |
| CN103485724A (en) * | 2013-09-09 | 2014-01-01 | 浙江鼎业基础工程有限公司 | Underreaming drill bit |
| CN104480975A (en) * | 2014-11-18 | 2015-04-01 | 中淳高科桩业股份有限公司 | Expanded-base pile expanded-base pile tip cement soil sampling device and sampling method thereof |
| CN112855030A (en) * | 2021-02-08 | 2021-05-28 | 中铁十六局集团地铁工程有限公司 | Bottom expanding drill bit |
| CN113882366A (en) * | 2021-11-05 | 2022-01-04 | 济南市市政工程设计研究院（集团）有限责任公司 | Hole collapse disposal device and method in cast-in-place pile hole construction process |
-
2004
- 2004-05-09 CN CN 200420050677 patent/CN2698954Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100929B (en) * | 2006-07-05 | 2012-02-08 | 系统计测株式会社 | Bottom enlarging basket bucket |
| WO2008049292A1 (en) * | 2006-10-25 | 2008-05-02 | Dexin He | Extruding and expanding drill equipment and the drilling method thereof |
| US7938198B2 (en) | 2006-10-25 | 2011-05-10 | Dexin He | Rotary digging and compression enlarging driller and boring method |
| CN102383732A (en) * | 2011-07-20 | 2012-03-21 | 上海广联建设发展有限公司 | Sectional type hydraulic foundation expansion drilling bucket |
| CN102383732B (en) * | 2011-07-20 | 2015-05-20 | 上海广联建设发展有限公司 | Sectional type hydraulic foundation expansion drilling bucket |
| CN102979092A (en) * | 2012-12-02 | 2013-03-20 | 张永忠 | Double shear type SMW (Soil Mixing Wall) working method piler |
| CN103485724A (en) * | 2013-09-09 | 2014-01-01 | 浙江鼎业基础工程有限公司 | Underreaming drill bit |
| CN103485722A (en) * | 2013-09-09 | 2014-01-01 | 浙江鼎业基础工程有限公司 | Novel expanded-base scraper pan and base expanding method thereof |
| CN103485722B (en) * | 2013-09-09 | 2016-03-09 | 浙江鼎业基础工程有限公司 | Expand end scraper bowl and base-enlarging method thereof |
| CN104480975A (en) * | 2014-11-18 | 2015-04-01 | 中淳高科桩业股份有限公司 | Expanded-base pile expanded-base pile tip cement soil sampling device and sampling method thereof |
| CN112855030A (en) * | 2021-02-08 | 2021-05-28 | 中铁十六局集团地铁工程有限公司 | Bottom expanding drill bit |
| CN113882366A (en) * | 2021-11-05 | 2022-01-04 | 济南市市政工程设计研究院（集团）有限责任公司 | Hole collapse disposal device and method in cast-in-place pile hole construction process |
| CN113882366B (en) * | 2021-11-05 | 2023-09-26 | 济南市市政工程设计研究院（集团）有限责任公司 | Hole collapse treatment device and method in pile hole construction process of cast-in-place pile |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140509 Granted publication date: 20050511 |