CN208309581U - Anti-collapse aperture apparatus - Google Patents
Anti-collapse aperture apparatus Download PDFInfo
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- CN208309581U CN208309581U CN201820781124.1U CN201820781124U CN208309581U CN 208309581 U CN208309581 U CN 208309581U CN 201820781124 U CN201820781124 U CN 201820781124U CN 208309581 U CN208309581 U CN 208309581U
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- cylinder
- rotary digging
- digging stake
- collapse
- aperture apparatus
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Abstract
The utility model relates to a kind of anti-collapse aperture apparatus, are less than rotary digging stake bore and the cylinder for being inserted in the rotary digging stake and being located at the easily region of generation collapse hole including outer diameter, stay between the cylinder and the side wall of the rotary digging stake and set an annular gap；And pour one section of dado structure in an annular gap, concrete guard wall structure is formed in the four Mondays circle a small range of rotary digging stake, prevent collapse hole, cylinder occupies certain space during casting concrete, the problem of avoiding entire anti-collapse hole all casting concretes and forming waste, has saved resource and has improved construction efficiency.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, cylinder can reuse, easy for installation.
Description
Technical field
The utility model relates to the realm of building construction, espespecially a kind of anti-collapse aperture apparatus.
Background technique
Rotary digging stake generally refers to the pile-type constructed by rotary drilling rig, full name rotary digging drilling hole bored concrete pile, abbreviation rotary digging in engineering
Stake.It is of less demanding to worker's number due to using mechanical work, very big labour cost can be saved.After Spiral digging machine pore-forming, in height
Under water level water-rich sand layer geological conditions, it is low to be easy to cause one-tenth porosity, the problems such as undergauge, slag inclusion, pile bottom sediment is blocked up.Water-rich sand layer
For sand grain content up to 30% or more, void ratio is big, and water content is big, has the characteristics that mobility is big, bearing capacity is small, self-stability is poor.It is rich
Water sand layer is easy to settle due to generating land movement because excavating.
When rotary digging stake collapse hole, traditional way is such way waste for completely backfilling concrete backfill to collapse hole position
Concrete and construction efficiency is low.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of anti-collapse aperture apparatus, solve existing skill
Concrete and the low problem of construction efficiency are wasted in art.
Realizing the technical solution of above-mentioned purpose is:
The utility model provides a kind of anti-collapse aperture apparatus, comprising:
Outer diameter is less than rotary digging stake bore and the cylinder for being inserted in the rotary digging stake and being located at the easy region that collapse hole occurs
Body stays between the cylinder and the side wall of the rotary digging stake and sets an annular gap；And
Pour one section of dado structure in an annular gap.
The anti-collapse aperture apparatus of the utility model further improvement lies in that,
The lateral cross-sectional area of the top of the cylinder to bottom is gradually reduced.
The anti-collapse aperture apparatus of the utility model further improvement lies in that, the top of the cylinder is equipped with sealing cover.
The anti-collapse aperture apparatus of the utility model further improvement lies in that, the sealing cover be pyramid type lid.
The anti-collapse aperture apparatus of the utility model further improvement lies in that, the top of the cylinder is equipped with connection ring.
The anti-collapse aperture apparatus of the utility model the utility model has the advantages that
Cylinder by being placed in rotary digging stake and being placed in the region that collapse hole easily occurs by the utility model, using coagulation
Soil pours in the annular gap stayed and set between rotary digging stake and cylinder, forms one section of dado structure to prevent collapse hole, i.e., in rotary digging
The four Mondays circle a small range of stake forms concrete guard wall structure, prevents collapse hole, cylinder occupies during casting concrete
Certain space the problem of avoiding entire anti-collapse hole all casting concretes and form waste, has been saved resource and has been improved and applied
Work efficiency rate.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, and cylinder can reuse, and install
It is convenient.
Detailed description of the invention
Fig. 1 is the schematic diagram of the anti-collapse aperture apparatus of the utility model.
Fig. 2 is the cross-sectional view of the Construction State of the anti-collapse aperture apparatus of the utility model.
Fig. 3 is the top view of Fig. 2.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
It is refering to fig. 1 the schematic diagram of the anti-collapse aperture apparatus of the utility model.Fig. 2 is the construction of the anti-collapse aperture apparatus of the utility model
The cross-sectional view of state.In conjunction with shown in Fig. 1 to figure, the utility model discloses a kind of anti-collapse aperture apparatus, including outer diameter to be less than rotary digging
10 bores of stake and the cylinder 20 for being inserted in rotary digging stake 10 and being located at the easy region that collapse hole occurs, cylinder 20 and rotary digging stake 10
Side wall between stay and set an annular gap；And pour one section of dado structure 30 in an annular gap.
As a better embodiment of the anti-collapse aperture apparatus of the utility model, the transversal cross-section of top to the bottom of cylinder 20
Product is gradually reduced.It can reduce difficulty when lifting cylinder 20 upwards in this way, prevent the retaining wall knot for destroying formation of having constructed
Structure 30.
Cylinder 20 is made using steel plate, steel plate thickness 3.6mm.Top surrounding pull ring is processed into 20mm thickness radius 100mm
Semicircle shape connection ring 22, the link as wirerope.According to the size of live rotary digging stake, process in advance various sizes of
Cylinder 20.
As a better embodiment of the anti-collapse aperture apparatus of the utility model, the top of cylinder 20 is equipped with sealing cover 21.It is close
Capping 21 is pyramid type lid.
As a better embodiment of the anti-collapse aperture apparatus of the utility model, the top of cylinder 20 is equipped with connection ring 22.
The top view for being Fig. 2 refering to Fig. 3.In conjunction with shown in Fig. 1 to Fig. 3, the method constructed using this anti-collapse aperture apparatus
Include the following steps:
In setting position construction rotary digging stake 10；
When the construction of rotary digging stake 10 to the easy region that collapse hole occurs, a set distance is excavated to the easy region that collapse hole occurs；
The cylinder 20 that one outer diameter is less than 10 bore of rotary digging stake is provided；
Cylinder 20 is put into rotary digging stake 10, and the bottom of cylinder 20 is placed in the region that collapse hole easily occurs, cylinder 20
An annular gap is formed between periphery and the side wall of rotary digging stake 10；
Into annular gap, casting concrete is in one section of dado structure of formation on the side wall of rotary digging stake 10；
Cylinder 20 is taken out out of rotary digging stake 10, continues to excavate 10 to one set distance of rotary digging stake downwards, by 20 weight of cylinder
It is newly put into rotary digging stake 10, and pours and to form one section of new dado structure, repeat the step until the easy hair that rotary digging stake 10 passes through
The region of raw collapse hole；
Rotary digging stake 10 is excavated until the construction of rotary digging stake 10 is completed.
The utility model is used by the way that cylinder is placed in rotary digging stake and is located in the region for being placed in and collapse hole easily occurring
Concreting is stayed between rotary digging stake and cylinder in the annular gap set, is formed one section of dado structure to prevent collapse hole, that is, is existed
The four Mondays circle a small range of rotary digging stake forms concrete guard wall structure, prevents collapse hole, cylinder is during casting concrete
The problem of occupying certain space, avoiding entire anti-collapse hole all casting concretes and form waste, has saved resource raising
Construction efficiency.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, and cylinder can reuse,
It is easy for installation.
One better embodiment of the construction method as the anti-collapse hole of rotary digging stake of the present invention easily occurs in the present embodiment
Mainly there are water-rich sand layer geologic province and backfill region in the region of collapse hole.The sand grain content of water-rich sand layer is up to 30% or more, hole
For gap than big, water content is big, has the characteristics that mobility is big, bearing capacity is small, self-stability is poor.Water-rich sand layer is easy to generate soil because excavating
Position is moved and is settled.Backfill refers in engineering construction, after completing the below grounds engineerings such as basis, then returns the soil tamped,
Therefore equally also has the characteristics that the problems such as bearing capacity is small, self-stability is poor, is easy to happen collapse hole.Easily occur collapse hole region not with
This is limited, and further includes the soil layer of other self-stabilities difference.
During cylinder 20 is inserted in rotary digging stake 10, by the central axis weight of the central axis of cylinder 20 and rotary digging stake 10
It closes, stays the even width set everywhere in an annular gap between such cylinder 20 and the side wall of rotary digging stake 10, prevent subsequent pour
The uneven thickness of the dado structure 30 of formation and cause the effect of anti-collapse hole bad.
Specifically, cylinder 20 is steadily hung to the surface of rotary digging stake 10, cylinder 20 is slowly put into the need of rotary digging stake 10
The position to be backfilled, and the distance between the side wall of strict control cylinder 20 and rotary digging stake 10, avoid the decline in cylinder 20
The problem of cylinder 20 collides the side wall of rotary digging stake 10 and damages rotary digging stake 10 occurs in journey.
The lateral cross-sectional area of the top of cylinder 20 to bottom is gradually reduced, and subsequent cylinder is lifted to taking-up upwards to facilitate.
During cylinder 20 is inserted in rotary digging stake 10, the top of cylinder 20 is lower than the top of rotary digging stake 10.The length of cylinder 20
Material cost less than the depth of rotary digging stake 10, in this way production cylinder 20 is few, is moved easily and installs cylinder 20.
In an annular gap during casting concrete, casting concrete to the top of cylinder 20.I.e. in rotary digging stake
10 bottom pours to form one section of dado structure 30, is supported with reinforcing to the bottom of rotary digging stake 10, prevents collapse hole.Certainly specific
The length of cylinder 20 and the depth of dado structure 30 are depending on the needs of practical rotary digging stake 10.
The top of cylinder 20 is equipped with sealing cover 21.In the present embodiment, sealing cover 21 is pyramid type lid.
The top of cylinder 20 is equipped with connection ring 22, for connecting with tower crane, for lifting and moving cylinder 20.In this implementation
In example, connection ring 22 has 4, and 4 connection rings 22 are symmetrical arranged, and guarantees the balance of cylinder 20 during facilitating lifting cylinder 20
Property.
Specifically, it is using wirerope, tower crane that cylinder 20 is steady after manufactured cylinder 20 is transported to scene by lorry
It slings, when wire rope handling should determine the center of gravity of cylinder 20, and lifting rope is hitched securely, then by the slow raising of cylinder 20, it is necessary to keep cylinder 20
Balance.Recycle tower crane that cylinder 20 is steadily hung to the surface of rotary digging stake 10, cylinder 20, which is slowly put into rotary digging stake 10, needs
Position is backfilled, and strict control cylinder 20 avoids the generation cylinder 20 during decline from touching at a distance from the side wall of rotary digging stake 10
The problem of hitting rotary digging stake 10.
After the completion of cylinder 20 is placed, casting concrete reaches shape to concrete initial set between cylinder 20 and rotary digging stake 10
After effect at anti-collapse hole, cylinder 20 is slowly sling, then put to designated position and wait reusing.
The anti-collapse aperture apparatus of the utility model has the beneficial effect that
Cylinder by being placed in rotary digging stake and being placed in the region that collapse hole easily occurs by the utility model, using coagulation
Soil pours in the annular gap stayed and set between rotary digging stake and cylinder, forms one section of dado structure to prevent collapse hole, i.e., in rotary digging
The four Mondays circle a small range of stake forms concrete guard wall structure, prevents collapse hole, cylinder occupies during casting concrete
Certain space the problem of avoiding entire anti-collapse hole all casting concretes and form waste, has been saved resource and has been improved and applied
Work efficiency rate.Dado structure can be taken off cylinder after being formed, continue to excavate rotary digging stake downwards, and cylinder can reuse, and install
It is convenient.
Combine figure embodiment that the utility model is described in detail above, those skilled in the art can root
Many variations example is made to the utility model according to above description.Thus, certain details in embodiment should not constitute practical to this
Novel restriction, the utility model will be using the ranges that the appended claims define as the protection scope of the utility model.
Claims (5)
1. a kind of anti-collapse aperture apparatus characterized by comprising
Outer diameter is less than rotary digging stake bore and the cylinder for being inserted in the rotary digging stake and being located at the easy region that collapse hole occurs, institute
It states to stay between cylinder and the side wall of the rotary digging stake and sets an annular gap；And
Pour one section of dado structure in an annular gap.
2. anti-collapse aperture apparatus as described in claim 1, which is characterized in that the lateral cross-sectional area at the top of the cylinder to bottom
It is gradually reduced.
3. anti-collapse aperture apparatus as described in claim 1, which is characterized in that the top of the cylinder is equipped with sealing cover.
4. anti-collapse aperture apparatus as claimed in claim 3, which is characterized in that the sealing cover is pyramid type lid.
5. anti-collapse aperture apparatus as described in claim 1, which is characterized in that the top of the cylinder is equipped with connection ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781124.1U CN208309581U (en) | 2018-05-24 | 2018-05-24 | Anti-collapse aperture apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781124.1U CN208309581U (en) | 2018-05-24 | 2018-05-24 | Anti-collapse aperture apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208309581U true CN208309581U (en) | 2019-01-01 |
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ID=64716246
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820781124.1U Active CN208309581U (en) | 2018-05-24 | 2018-05-24 | Anti-collapse aperture apparatus |
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| CN (1) | CN208309581U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560545A (en) * | 2018-05-24 | 2018-09-21 | 中国建筑第八工程局有限公司 | The construction method of the anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus |
| CN111395332A (en) * | 2020-03-30 | 2020-07-10 | 胡美玲 | Rotary excavating and anchor cable construction method for hard rock stratum |
| CN114351693A (en) * | 2022-03-02 | 2022-04-15 | 四川志德岩土工程有限责任公司 | Collapse hole underpinning device for rotary excavating cast-in-place pile and underpinning construction method |
-
2018
- 2018-05-24 CN CN201820781124.1U patent/CN208309581U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560545A (en) * | 2018-05-24 | 2018-09-21 | 中国建筑第八工程局有限公司 | The construction method of the anti-collapse hole of rotary digging stake and anti-collapse aperture apparatus |
| CN111395332A (en) * | 2020-03-30 | 2020-07-10 | 胡美玲 | Rotary excavating and anchor cable construction method for hard rock stratum |
| CN114351693A (en) * | 2022-03-02 | 2022-04-15 | 四川志德岩土工程有限责任公司 | Collapse hole underpinning device for rotary excavating cast-in-place pile and underpinning construction method |
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