CN108265724A - A kind of brill stake holes concrete secondary back cover device for casting - Google Patents
A kind of brill stake holes concrete secondary back cover device for casting Download PDFInfo
- Publication number
- CN108265724A CN108265724A CN201810291978.6A CN201810291978A CN108265724A CN 108265724 A CN108265724 A CN 108265724A CN 201810291978 A CN201810291978 A CN 201810291978A CN 108265724 A CN108265724 A CN 108265724A
- Authority
- CN
- China
- Prior art keywords
- taper leaf
- concrete
- branch sleeve
- back cover
- taper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Abstract
Stake holes concrete secondary back cover device for casting is bored the present invention provides a kind of, including：Branch sleeve, at least two panels taper leaf；Taper leaf pieces together a complete cone, and the bottom profile of cone is consistent with branch sleeve profile and docks；The provided at one of each taper leaf and branch sleeve connects, it can be with free-open-close, by setting branch sleeve and taper leaf, effectively reduce catheter proximal end and the contact area of mud and laitance in hole, in quick insertion Concrete, surface layer mud and laitance is avoided to enter in conduit, it can effectively avoid in pile concrete and interlayer occur and form broken pile, when starting concrete perfusion, taper leaf is washed open under the Gravitative Loads of concrete so as to fulfill perfusion, effectively improve the success rate that secondary intubation fills stake or pile extension, reduce broken pile rate, save construction cost, improve construction efficiency.
Description
Technical field
The present invention relates to concreting technical fields, and in particular to a kind of brill stake holes concrete secondary back cover perfusion dress
It puts.
Background technology
The common method generally use tremie method of drilled pile underwater gliders, principle are by concrete mixing at present
Object enters the concrete of initial stage perfusion in the following, jacking under certain head pressure effect, by the conduit of sealed connection
The concrete and its mud above of initial stage perfusion gradually rise, and form continuous closely knit concrete pile body.It is therefore desirable to coagulation
Soil length of embedment of most next section conduit in filling process remains at 2-6m below concreting face, to ensure coagulation
Native energy continuous pouring.But in construction, it inevitably will appear conduit and surprisingly extract concrete surface or since concrete plugging is made
The phenomenon that being interrupted into perfusion.
Invention content
The object of the present invention is to provide a kind of brill stake holes concrete secondary back cover device for casting, are solved by setting taper leaf
The problem of certainly conduit surprisingly extracts concrete surface or perfusion is caused to interrupt due to concrete plugging.
To solve the above problems, the present invention provides a kind of brill stake holes concrete secondary back cover device for casting, including：Connection
Sleeve, at least two panels taper leaf；Taper leaf pieces together a complete cone, and the bottom profile of cone and branch sleeve profile one
It causes and docks；The provided at one of each taper leaf and branch sleeve connects, can be with free-open-close.
Further, above-mentioned brill stake holes concrete secondary back cover device for casting further includes：Lock ring and locking muscle；Locking muscle
One end be fixedly installed on the inside of taper leaf, and the other end of locking muscle is bent to branch sleeve radial direction, and all locks
Only the bending end cap of muscle is located in lock ring.
Further, above-mentioned brill stake holes concrete secondary back cover device for casting further includes：Lantern ring；Lantern ring is fixed at company
On female connector cylinder and/or taper leaf outer wall.
Further, above-mentioned brill stake holes concrete secondary back cover device for casting further includes：Limited block；One end of limited block is consolidated
Surely the connecting side of branch sleeve and taper leaf is set to, opposite side extends to taper leaf portion point, and each taper leaf is correspondingly arranged on
One limited block.
Further, taper leaf has three pieces in above-mentioned brill stake holes concrete secondary back cover device for casting.
Further, taper leaf is connected with branch sleeve by hinge in above-mentioned brill stake holes concrete secondary back cover device for casting
It connects.
By setting branch sleeve and taper leaf, catheter proximal end and the contact area of mud and laitance in hole are effectively reduced,
In quick insertion Concrete, surface layer mud and laitance is avoided to enter in conduit, can effectively avoid in pile concrete
Show interlayer and form broken pile, when starting concrete perfusion, wash taper leaf open under the Gravitative Loads of concrete so as to fulfill filling
Note.The success rate that secondary intubation fills stake or pile extension is effectively improved, broken pile rate is reduced, saves construction cost, improve construction
Efficiency.
Description of the drawings
Fig. 1 is scheme schematic diagram used in the prior art；
Fig. 2 is front view according to embodiments of the present invention；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is bottom view according to embodiments of the present invention；
Fig. 5 is vertical view according to embodiments of the present invention.
Reference numeral：
1：Branch sleeve；2：Taper leaf；3：Hinge；4：Locking muscle；5：Lock ring；6：Lantern ring；7：Limited block.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, the description to known features and technology is omitted, to avoid this is unnecessarily obscured
The concept of invention.
Referring initially to Fig. 1, in the prior art, first Accurate Determining concrete surface, then conduit is hung 0.5 on concrete surface
~0.7m（Depending on conduit diameter）, precast concrete bulb stopper is fastened with bifilar No. 7 iron wires, is placed in conduit on the water surface（Between not staying
Gap）.Injection concrete 0.1m in hopper3, slowly precast concrete bulb stopper is put to conduit bottom end, iron wire is fixed on hopper
On.Conduit is inserted into 1.0m under concrete surface, concrete perfusion in hopper then cuts iron wire, and continuous concrete placing is to setting
Absolute altitude is counted, when using the method, needs that precast concrete must be hung by experienced engineer's on-the-spot guidance, catheter length
The data such as ball valve iron wire length, iron wire tensile strength, concrete surface physical location, it is necessary to it is correct in advance to determine, so operation
It is cumbersome, easily malfunction.
So below in conjunction with the accompanying drawings, illustrated embodiment of the present invention is described in detail.
With reference to figure 2- Fig. 5, stake holes concrete secondary back cover device for casting is bored shown in the present embodiment and includes branch sleeve 1 and three
Piece taper leaf 2 can also design the quantity of taper leaf 2, at least two panels according to actual conditions needs.In the present embodiment
Three pieces taper leaf 2 can piece together a complete cone, the bottom profile and 1 profile of branch sleeve of cone are consistent and right
It connects, one end of each taper leaf 2 and branch sleeve 1 is pivotally connected, and is connected in the present embodiment using hinge 3, is closed
The fixing end of page 3 is fixed on branch sleeve 1, and is located at the link position of taper leaf 2 and branch sleeve 1, while hinge 3
Round end for U-shaped, round end is fixedly installed on the lateral surface of taper leaf 2, and across fixing end, so that taper leaf 2 can
To be rotated freely around fixing end.Simultaneously in order to avoid in secondary pouring concrete 2 folding angle of taper leaf it is excessive so that pouring
Resistance is excessive when noting pipe withdrawal, so the outer wall in connecting sleeve is additionally provided with limited block 7, quantity and the taper leaf 2 of limited block 7
Quantity be consistent, for the sake of safety, one or more limited block 7, limited block can be configured in each taper leaf 2
7 side is fixed at the outer wall of connecting sleeve, and opposite side extends to 2 part of taper leaf, when taper leaf 2 is mixed by concrete
When conjunction object is pushed open, due to the effect of limited block 7, the 2 further folding of taper leaf is prevented, so as to play position-limiting action, and can be effective
Prevent taper leaf 2 from fractureing.Pipe is poured in order to prevent when being inserted into concrete and carrying out secondary pouring, and taper leaf 2 is opened in advance, can be with
A locking muscle 4 is provided in the inside of each taper leaf 2, one end of locking muscle 4 is fixedly installed on the inside of taper leaf 2, separately
One end is bent to the radial direction of branch sleeve 1, and in the present embodiment, the angle of bending is 159.44 °, then in the present embodiment
Inside, the center of locking muscle 4 to the branch sleeve 1 of each taper leaf 2 are collected, and lock ring 5 then is arranged three locking muscle
4, it is blocked in this way since locking muscle 4 is locked up ring 5 so that taper leaf 2 can not flip outward, therefore be constantly in closed state, set
Ring 6 can be passed through with steel wire, and when being poured into a mould, lock ring 5 can be removed by pullling steel wire, taper leaf 2 so as to
With folding.Taper leaf 2 and branch sleeve 1 come off in order to prevent simultaneously, can consolidate in the outer surface of taper leaf 2 and branch sleeve 1
Surely lantern ring 6 is provided with, lantern ring 6 is passed through by steel wire, when falling off, cone can be taken out from plug hole by pullling steel wire
Shape leaf 2 or branch sleeve 1, meanwhile, it, can when failing normal folding in case of taper leaf 2 causes concrete not pour into a mould normally
With by pullling steel wire rope so as to assisting in opening taper leaf 2, certain lantern ring 6 can be positioned only at branch sleeve 1 or taper leaf 2
On, it can also all set.
When needing to carry out secondary bottom sealing perfusion, three pieces taper leaf 2 is closed up so that lock ring 5 is set in three locking muscle 4
On, and clamping, seizing wire is worn at two holes of lock ring 5, length is not less than hole inner concrete face to aperture height, and
Stop 3 meters of rich length.Conduit is proposed out of plug hole, replaces the tube coupling that is blocked, and secondary bottom sealing device for casting is installed on
Conduit coxopodite bottom, fresh concrete is poured into pipe, makes to hang full of concrete, crane inside secondary bottom sealing device for casting
Coxopodite conduit, and in aperture spreading conduit, continue to hang spreading conduit, until conduit coxopodite is inserted into 2m models below concrete surface
It encloses, fixed catheter, top installation funnel.Lock ring 5 out of conduit is taken out by steel wire rope, coagulation is then toppled over into funnel
Soil opens taper leaf 2 under concrete impulse force, it is ensured that concrete can be flowed out from conduit bottom, Continuous Perfusion concrete until
Designed elevation.
Conical design can effectively reduce catheter proximal end and the contact area of mud and laitance in hole, in quick insertion concrete
In the process, surface layer mud and laitance is avoided to enter in conduit, be can effectively avoid in pile concrete and interlayer occurred and form broken pile.
The success rate that secondary intubation fills stake or pile extension is improved, broken pile rate is reduced, saves construction cost, improve construction efficiency.
It should be understood that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into scope and boundary or this range and the equivalent form on boundary and repairing
Change example.
Claims (6)
1. a kind of brill stake holes concrete secondary back cover device for casting, which is characterized in that including：
Branch sleeve, at least two panels taper leaf；
The taper leaf pieces together a complete cone, and the bottom profile of the cone it is consistent with the branch sleeve profile and
Docking；
Each taper leaf is connect with the provided at one of the branch sleeve, can be with free-open-close.
2. brill stake holes concrete secondary back cover device for casting according to claim 1, which is characterized in that further include：
Lock ring and locking muscle；
One end of the locking muscle is fixedly installed on the inside of the taper leaf, and the other end of the locking muscle is to the connection
Sleeve radial direction is bent, and the bending end cap of all locking muscle is located in the lock ring.
3. brill stake holes concrete secondary back cover device for casting according to claim 1, which is characterized in that further include：
Lantern ring；
The lantern ring is fixed on the branch sleeve and/or the taper leaf outer wall.
4. brill stake holes concrete secondary back cover device for casting according to claim 1, which is characterized in that further include：
Limited block；
One end of the limited block is fixedly installed on the connecting side of the branch sleeve and the taper leaf, and opposite side extends to institute
State taper leaf portion point, each taper leaf is correspondingly arranged that there are one the limited blocks.
5. brill stake holes concrete secondary back cover device for casting according to claim 1, it is characterised in that：
The taper leaf has three pieces.
6. brill stake holes concrete secondary back cover device for casting according to claim 5, it is characterised in that：
The taper leaf passes through hinge connection with the branch sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291978.6A CN108265724B (en) | 2018-03-30 | 2018-03-30 | Bored pile hole concrete secondary back cover pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291978.6A CN108265724B (en) | 2018-03-30 | 2018-03-30 | Bored pile hole concrete secondary back cover pouring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108265724A true CN108265724A (en) | 2018-07-10 |
| CN108265724B CN108265724B (en) | 2023-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291978.6A Active CN108265724B (en) | 2018-03-30 | 2018-03-30 | Bored pile hole concrete secondary back cover pouring device |
Country Status (1)
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| CN (1) | CN108265724B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576210A (en) * | 2020-12-15 | 2021-03-30 | 中铁北京工程局集团有限公司 | Clear hole device of drilling bored concrete pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576210A (en) * | 2020-12-15 | 2021-03-30 | 中铁北京工程局集团有限公司 | Clear hole device of drilling bored concrete pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108265724B (en) | 2023-09-15 |
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