CN107190790A - A kind of drilled pile pile crown concrete quality detection device and detection method - Google Patents
A kind of drilled pile pile crown concrete quality detection device and detection method Download PDFInfo
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- CN107190790A CN107190790A CN201710565144.5A CN201710565144A CN107190790A CN 107190790 A CN107190790 A CN 107190790A CN 201710565144 A CN201710565144 A CN 201710565144A CN 107190790 A CN107190790 A CN 107190790A
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- concrete
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- rotary bottom
- pile crown
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of drilled pile pile crown concrete quality detection device and method, belong to field of bridge construction, it is applicable the construction such as drilled pile reinforcing cage concrete placings, hold bucket, rotary bottom plate, upper limit mechanism, lower limiting mechanism including expansion link, concrete, expansion link is connected with concrete appearance bucket and flexible adjusts its own length, concrete holds the cylinder that bucket is up/down perforation, and its bottom opening is closed or opened by rotary bottom plate；Rotary bottom plate is two pieces, left and right is rotationally connected with concrete and held at bottom of the barrel opening opposite to each other, and can be rotated between upper limit mechanism and lower limiting mechanism, and two rotary bottom plates when stopping spacing by lower limiting mechanism because self gravitation is turned to, concrete holds bottom of the barrel opening and closed by two rotary bottom plates, and two rotary bottom plates rotate from the supreme position-limit mechanism of lower limiting mechanism rotate when, concrete holds bottom of the barrel opening and opens and be open gradually big.The visualization of hidden concrete can be achieved in the present invention, it is ensured that pile crown concrete quality, and reduces that concrete is super to pour waste.
Description
Technical field
The invention belongs to field of bridge construction, the construction such as drilled pile reinforcing cage concrete placings is applicable.
Background technology
Current bridge foundation cast-in-situ bored pile due to do mechanization operation, fast speed of application, technical maturity, during safety can
By the features such as be widely adopted.Drilled pile construction process is mainly：Drilling, borehole cleaning, steel reinforcement cage decentralization, concrete placings etc..Concrete placings
When underwater concrete pouring is carried out by conduit, because underwater concrete pouring is hidden working procedure, concrete placings process can not observe directly,
Currently available technology is generally to measure concrete placings height using lining rope.By concrete float oar, slurry coat method precipitation, mud include sand precipitation,
The composite factors such as the slight collapse hole of casting process influence, and stake top portion is the mixture that concrete is constituted with sediment, and mixture intensity is relatively low,
Drilled pile use requirement can not be met, is typically surpassed by pile crown and poured, super will pour part mixes pile crown after pile cuts, to ensure
The pile quality of whole stake.
The content of the invention
It is an object of the invention to：A kind of drilled pile pile crown concrete quality detection device and method are proposed, the device can go deep into
In concrete, concrete sample at bit location is extracted, intuitively reflects whether pile crown part concrete meets quality requirement, concrete continues when being unsatisfactory for
Pour.It can realize that hidden concrete is visualized by the device, it is ensured that pile crown concrete quality, and reduce that concrete is super to pour waste.
The object of the invention is realized by following technical proposals：
A kind of drilled pile pile crown concrete quality detection device, including expansion link, concrete hold bucket, rotary bottom plate, upper limit mechanism, under
Position-limit mechanism, expansion link is connected with concrete appearance bucket and flexible adjusts its own length, and concrete holds the cylinder that bucket is up/down perforation, its bottom
Portion's opening is closed or opened by rotary bottom plate；Rotary bottom plate is two pieces, and left and right is rotationally connected with concrete and holds bottom of the barrel opening opposite to each other
Place, and can be rotated between upper limit mechanism and lower limiting mechanism, and two rotary bottom plates are turned to by lower limit because of self gravitation
When means block is spacing, concrete hold bottom of the barrel opening close by two rotary bottom plates, and two rotary bottom plates rotation from lower limiting mechanism to
When upper limit mechanism is rotated, concrete holds bottom of the barrel opening and opens and be open gradually big.
Alternatively, upper limit mechanism is in the top of the relatively close expansion link of lower limiting mechanism, while upper limit mechanism phase
Bucket is held closer to rotary bottom plate and concrete to lower limiting mechanism and rotates junction.
Alternatively, two pieces of rotary bottom plates hold in concrete and are symmetrical set at bottom of the barrel opening.
Alternatively, it is cuboid cylinder that concrete, which holds bucket, and rotary bottom plate is rectangular slab.
Alternatively, upper limit mechanism is to be fixed on the upper limit post that concrete holds bucket inwall.
Alternatively, lower limiting mechanism is to be fixed on the lower limit post that concrete holds bucket inwall.
A kind of drilled pile pile crown concrete quality detection method, using foregoing detection device, holds bucket by concrete by expansion link and places
To at pile crown position, rotary bottom plate is automatically opened up in decentralization process, and concrete enters concrete and held in bucket, and at acquirement pile crown after concrete, concrete is held
Bucket lifting, now rotary bottom plate is closed automatically, and concrete can not fall, and concrete is concrete at pile crown in bucket, can check pile crown concrete quality.
Foregoing main scheme of the invention and its each further selection scheme can form multiple schemes with independent assortment, be this
The scheme that invention can be used and is claimed；And the present invention, between (each non conflicting selection) selection and between other selections
Can also independent assortment.Those skilled in the art can understand have after the present invention program is understood according to prior art and common knowledge
Multiple combinations, are claimed technical scheme of the invention, exhaustion are not done herein.
The course of work：Concrete appearance bucket is placed at pile crown position by expansion link, the resistance in decentralization process due to concrete turns
Dynamic bottom plate rotating opening is until spacing by upper limit means block, and concrete enters concrete and held in bucket, and at acquirement pile crown after concrete, concrete is held into bucket
Lifting, now rotary bottom plate is turned under self gravitation and concrete Action of Gravity Field is stopped spacing and closed, concrete by lower limiting mechanism
It can not fall, concrete is concrete at pile crown in bucket, pile crown concrete quality can be checked.
The present invention can freely obtain diverse location, the pile crown concrete of depth, only need to be in decentralization process in required position, depth
Degree stops decentralization and then lifted again, is not influenceed by the concrete of the position, depth deeper inside, also not by the concrete shadow in decentralization process
Ring because during concrete directly from concrete hold bucket upper opening constantly discharge.
Beneficial effects of the present invention：The more traditional lining rope detection of the device, can intuitively assess and pour pile head concrete quality
Situation, effective accurate control pile crown concrete quality, it is to avoid too super to pour waste concrete, cost-effective, raising construction efficiency, constructing operation
It is convenient.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of the embodiment of the present invention；
Working state schematic representation when Fig. 3 is the detection device decentralization of the embodiment of the present invention；
Working state schematic representation when Fig. 4 is the detection device decentralization of the embodiment of the present invention；
Wherein 1 be expansion link, 2 be concrete hold bucket, 3 be rotary bottom plate, 4 be upper limit post, 5 be lower limit post, 6 be rotation
Axle.
Embodiment
Following non-limiting examples are used to illustrate the present invention.
With reference to shown in Fig. 1,2, drilled pile pile crown concrete quality detection device is main to hold bucket 2, two rotations by expansion link 1, concrete
Bottom plate 3, upper limit post 4, lower limit post 5 are constituted.Expansion link 1 holds bucket 2 with concrete and is connected, and concrete can be held bucket by the adjustable length of expansion link 1
At 2 decentralization to pile crown concrete positions；Concrete holds cylinder of the bucket 2 for the up/down perforation of hollow-core construction, and concrete, which holds in bucket 2, can deposit concrete；2 turn
Dynamic bottom plate 3 or so is rotatably connected on concrete by rotary shaft 6 opposite to each other to be held at the bottom opening of bucket 2, is turned by being opened in the concrete appearance side wall of bucket 2
Dynamic aperture realizes that rotary bottom plate 3 is spacing, rotate；Preferably, as shown in the present embodiment accompanying drawing, it is cuboid cylinder that concrete, which holds bucket 2,
Rotary bottom plate 3 is rectangular slab, and two pieces of rotary bottom plates 3 hold in concrete to be symmetrical set at the bottom opening of bucket 2.Upper limit post 4 exists
The top of the relatively close expansion link 1 of lower limit post 5, while upper limit post 4 relative low-limit position post 5 is closer to rotary bottom plate 3 and concrete
Hold bucket 2 and rotate junction.Upper limit post 4, which is welded on concrete, to be held on the madial wall of bucket 2, and concrete holds two rotary bottom plates 3 when bucket 2 is transferred and hindered in concrete
Power effect, which is rotated, forms the opening that concrete passes through between opening, two rotary bottom plates 3, concrete is freely accessible to, and excessive concrete is once more from concrete
Hold the open top of bucket 2 discharge；The welding concrete of lower limit post 5 holds the madial wall bottom of bucket 2, when the concrete appearance carrying concrete of bucket 2 is above carried, in concrete deadweight
Lower two rotary bottom plates 3 of effect are stopped and relatively closed by lower limit post 5, prevent concrete from falling.
Drilled pile pile crown concrete quality detection method is：Concrete appearance bucket 2 is placed at pile crown position by expansion link 1, referred to
Shown in Fig. 3, rotary bottom plate 3 is opened in decentralization process, and concrete enters concrete and holds bucket 2；Obtain at pile crown after concrete, concrete appearance bucket 2 is lifted, this
When concrete hold the rotary bottom plate 3 of bucket 2 close, concrete can not fall, with reference to shown in Fig. 4, concrete hold bucket 2 in concrete be concrete at pile crown, can check
Pile crown concrete quality.Continue to pour concrete when being unsatisfactory for requiring.
By taking certain Bridge Construction as an example, the new device is used in access bridge drilled pile construction, it is super through field practice pile crown concrete
Pour and reduced by original 2.5 meters height to 1 meter high, super part of pouring cuts that rear pile crown quality core detection is qualified, and implementation result is good
It is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of drilled pile pile crown concrete quality detection device, it is characterised in that：Hold bucket, rotary bottom plate, the upper limit including expansion link, concrete
Position mechanism, lower limiting mechanism, expansion link is connected with concrete appearance bucket and flexible adjusts its own length, and it is up/down perforation that concrete, which holds bucket,
Cylinder, its bottom opening is closed or opened by rotary bottom plate；Rotary bottom plate is two pieces, and left and right is rotationally connected with concrete and holds bucket opposite to each other
At bottom opening, and it can be rotated between upper limit mechanism and lower limiting mechanism, and two rotary bottom plates are turned to because of self gravitation
When stopping spacing by lower limiting mechanism, concrete holds bottom of the barrel opening and closed by two rotary bottom plates, and two rotary bottom plates are rotated from lower limit
When mechanism supreme position-limit mechanism in position is rotated, concrete holds bottom of the barrel opening and opens and be open gradually big.
2. drilled pile pile crown concrete quality detection device as claimed in claim 1, it is characterised in that：Upper limit mechanism is in lower limit
The top of the relatively close expansion link of mechanism, while relative low-limit position mechanism of upper limit mechanism holds bucket closer to rotary bottom plate and concrete and turned
Dynamic junction.
3. drilled pile pile crown concrete quality detection device as claimed in claim 1, it is characterised in that：Two pieces of rotary bottom plates hold in concrete
It is symmetrical set at bottom of the barrel opening.
4. drilled pile pile crown concrete quality detection device as claimed in claim 1, it is characterised in that：It is cuboid cylinder that concrete, which holds bucket,
Body, rotary bottom plate is rectangular slab.
5. drilled pile pile crown concrete quality detection device as claimed in claim 1, it is characterised in that：Upper limit mechanism is to be fixed on
Concrete holds the upper limit post of bucket inwall.
6. drilled pile pile crown concrete quality detection device as claimed in claim 1, it is characterised in that：Lower limiting mechanism is to be fixed on
Concrete holds the lower limit post of bucket inwall.
7. a kind of drilled pile pile crown concrete quality detection method, is filled using the detection described in any claim in claim 1 to 6
Put, it is characterised in that：Concrete appearance bucket is placed at pile crown position by expansion link, rotary bottom plate is automatically opened up in decentralization process,
Concrete enters concrete and held in bucket, obtains at pile crown after concrete, concrete is held into bucket lifting, now rotary bottom plate is closed automatically, and concrete can not fall, bucket
Interior concrete is concrete at pile crown, can check pile crown concrete quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565144.5A CN107190790B (en) | 2017-07-12 | 2017-07-12 | Bored pile head concrete quality detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565144.5A CN107190790B (en) | 2017-07-12 | 2017-07-12 | Bored pile head concrete quality detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107190790A true CN107190790A (en) | 2017-09-22 |
| CN107190790B CN107190790B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565144.5A Active CN107190790B (en) | 2017-07-12 | 2017-07-12 | Bored pile head concrete quality detection device and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663233A (en) * | 2018-03-29 | 2018-10-16 | 五冶集团上海有限公司 | A kind of proportion box for taking hole bottom slurry |
| CN110793812A (en) * | 2019-11-20 | 2020-02-14 | 河南科技大学 | Multifunctional water sample in-situ collection device |
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| JP2004293213A (en) * | 2003-03-27 | 2004-10-21 | Taisei Corp | Method for evaluating soundness of concrete pile |
| JP2005180015A (en) * | 2003-12-19 | 2005-07-07 | Daicho Tokushu Doboku Kk | Method of improving unevenly settled foundation and structure for improving unevenly settled foundation |
| CN201367588Y (en) * | 2009-02-26 | 2009-12-23 | 无锡职业技术学院 | Underwater concrete sampler |
| CN102797268A (en) * | 2012-08-31 | 2012-11-28 | 机械工业勘察设计研究院 | Installation method for testing tube used for testing internal force of pre-stress tubular pile with slide micrometer |
| CN104652501A (en) * | 2015-02-11 | 2015-05-27 | 交通运输部公路科学研究所 | Pile foundation quality detection device and pile foundation quality detection method of shock excitation in pile side prospect hole |
| CN207130795U (en) * | 2017-07-12 | 2018-03-23 | 中交二航局第四工程有限公司 | A kind of drilled pile pile crown concrete quality detection device |
-
2017
- 2017-07-12 CN CN201710565144.5A patent/CN107190790B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004293213A (en) * | 2003-03-27 | 2004-10-21 | Taisei Corp | Method for evaluating soundness of concrete pile |
| JP2005180015A (en) * | 2003-12-19 | 2005-07-07 | Daicho Tokushu Doboku Kk | Method of improving unevenly settled foundation and structure for improving unevenly settled foundation |
| CN201367588Y (en) * | 2009-02-26 | 2009-12-23 | 无锡职业技术学院 | Underwater concrete sampler |
| CN102797268A (en) * | 2012-08-31 | 2012-11-28 | 机械工业勘察设计研究院 | Installation method for testing tube used for testing internal force of pre-stress tubular pile with slide micrometer |
| CN104652501A (en) * | 2015-02-11 | 2015-05-27 | 交通运输部公路科学研究所 | Pile foundation quality detection device and pile foundation quality detection method of shock excitation in pile side prospect hole |
| CN207130795U (en) * | 2017-07-12 | 2018-03-23 | 中交二航局第四工程有限公司 | A kind of drilled pile pile crown concrete quality detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663233A (en) * | 2018-03-29 | 2018-10-16 | 五冶集团上海有限公司 | A kind of proportion box for taking hole bottom slurry |
| CN110793812A (en) * | 2019-11-20 | 2020-02-14 | 河南科技大学 | Multifunctional water sample in-situ collection device |
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| Publication number | Publication date |
|---|---|
| CN107190790B (en) | 2023-10-03 |
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