CN217629902U - Broken pile head isolating device is exempted from to reinforced concrete bored concrete pile - Google Patents
Broken pile head isolating device is exempted from to reinforced concrete bored concrete pile Download PDFInfo
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- CN217629902U CN217629902U CN202221368957.8U CN202221368957U CN217629902U CN 217629902 U CN217629902 U CN 217629902U CN 202221368957 U CN202221368957 U CN 202221368957U CN 217629902 U CN217629902 U CN 217629902U
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- pile
- pile head
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- cylinder
- annular plate
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- 239000004567 concrete Substances 0.000 title claims abstract description 30
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229920005549 butyl rubber Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of special equipment for building construction, in particular to a reinforced concrete cast-in-place pile breakage-free pile head isolation device, which comprises a first cylinder body; the second cylinder is coaxially sleeved inside the first cylinder; the annular plate is arranged between the first barrel and the second barrel, the outer side of the annular plate is fixed with the first barrel, the inner side of the annular plate is fixed with the second barrel, and a plurality of holes are formed in the annular plate. Compared with the prior art, the utility model discloses simple structure, the phenomenon of wrapping up in between pile head concrete and the pile head owner muscle has been avoided, can be effectively to separating invalid pile head and effective pile body effectively, make invalid pile head and effective pile body handing-over department form the horizontal crack that has certain width, finally adopt machinery to dabble and can cut the pile head, can avoid the noise of job site, the dust etc. is civilized, when the pile head is removed in the environmental protection, the reinforcing bar is not damaged, reduce consumeing of manpower and materials, the efficiency of construction is high, high operation convenience, the time limit for a project is short, reduce engineering cost.
Description
Technical Field
The utility model relates to a special apparatus technical field of construction, in particular to reinforced concrete bored concrete pile exempts from to break pile head isolating device.
Background
With the acceleration of urbanization process in various regions and the development of automobile industry, basement foundation pit support is becoming more and more a key technology of construction engineering, a cast-in-place pile is a main structural member of foundation pit support, in urban deep foundation pit support engineering, geological conditions of upper hard rock stratum and lower hard rock stratum are frequently met, a cast-in-place pile capable of being embedded into hard rock needs to be formed, a drilling and filling column is a pile type which is most commonly used in engineering construction, effective bearing capacity is formed through side resistance generated by a contact surface of a pile body and the rock soil and end resistance generated by a contact surface of a pile end and the rock soil, and a top load of the column is transmitted to the rock soil on the pile side and the pile bottom through the engineering pile, so that a building or a structure can be firmly stood on a foundation.
In actual bored concrete pile construction, for guaranteeing pile head concrete strength, need have certain excess volume of irritating, all can leave the pile head, in follow-up construction, the pile head need be demolishd again, however the commonly used step of current pile head as follows: 1. measuring the paying-off leveling, paying off the actual pile top elevation, and uniformly marking with red paint; 2. cutting around the pile head by a toothless saw to a circumference with a depth of about 3-4cm, chiseling a V-shaped groove along the pile head from top to bottom by a pneumatic pick to strip the concrete, and avoiding damaging the main ribs during circular cutting; 3. stripping the main reinforcing steel bars along the pile head from top to bottom by adopting an air pick; 4. after all reinforcing steel bars are chiseled out, drilling pile breaking holes by adopting a pneumatic drill at a horizontal annular interval of 20cm at a position 3cm above the elevation of the pile top, driving the pile breaking holes by using a steel chisel, and repeatedly knocking the steel chisel back and forth to break the concrete at the annular pile breaking holes; 5. drilling a hoisting hole in the broken pile head, inserting a steel chisel, hoisting the broken and separated pile head by using hoisting equipment, and vertically lifting the hoisting equipment during working without left-right shaking, so that the pile head is prevented from inclining to press a pile foundation main rib into a dead bend; 6. the pile head is cleaned by chiseling redundant mixed concrete and clearing the top, and the pile top forms a section with a slightly higher center and a slightly lower periphery, so that the top surface of the pile is ensured to be flat and compact. However, the above method has the following disadvantages: when the existing isolation device and the using method thereof are taken out, the rest invalid filling head is broken, the impact drill still needs to be used manually to punch holes on the broken pile head, and then the concrete is knocked manually from outside to inside until one of the concrete falls off layer by layer, so that the concrete adhered to the main rib of the filling pile is prevented from being removed in extra time, and the operation is still difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that exists among the above-mentioned prior art, providing a reinforced concrete bored concrete pile avoids broken pile head isolating device, can solve above-mentioned problem.
The technical scheme of the utility model is that:
the utility model provides a reinforced concrete bored concrete pile exempts from to break pile head isolating device, includes:
a first cylinder;
the second cylinder is coaxially sleeved inside the first cylinder;
the annular plate is arranged between the first barrel and the second barrel, the outer side of the annular plate is fixed with the first barrel, the inner side of the annular plate is fixed with the second barrel, and a plurality of holes are formed in the annular plate.
Preferably, the cross section of the second cylinder is an isosceles trapezoid, and the diameter of the upper end of the second cylinder is smaller than that of the lower end of the second cylinder.
Preferably, the annular plate is arranged at the large end of the cross section of the second cylinder.
Preferably, the method further comprises the following steps: and the reinforcing mechanism is arranged between the first cylinder and the second cylinder and is positioned at one end far away from the annular plate.
Preferably, the reinforcement mechanism includes: a plurality of bracing pieces, the equipartition sets up between first barrel and the second barrel, the one end and the first barrel of bracing piece are connected, and the other end is connected with the second barrel.
Preferably, the method further comprises the following steps: a barrier mechanism for separating concrete from the barrel.
Preferably, the blocking mechanism includes: and the rubber check ring is fixed with the inner surface of the cylinder.
Compared with the prior art, the utility model provides a pair of reinforced concrete bored concrete pile exempts from to break pile head isolating device, its beneficial effect is:
the utility model has the advantages of simple structure, the preparation is convenient, the phenomenon of bond between pile head concrete and the pile head owner muscle has been avoided, horizontal crack through making invalid pile head and effective pile body handing-over department form and have certain width, thereby can be effectively separate invalid pile head and effective pile body effectively, finally adopt machinery to dabble and can cut the pile head, the work progress does not need special personnel, the noise of job site can be avoided, the indecipherable texts such as dust, when the pile head is removed in the environmental protection, the reinforcing bar does not receive the damage, reduce consumeing of manpower and materials, high construction efficiency, and convenient for operation, the time limit for a project is short, and engineering cost is reduced, therefore, the clothes hanger is strong in practicability and is worth promoting.
Drawings
Fig. 1 is a schematic view of the upper plane of the present invention;
fig. 2 is a schematic view of the cross section of the present invention.
The above description of the drawings and accompanying drawings are included to provide a further understanding of the present embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example of the embodiment serve to explain the invention and not to limit the invention.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to the accompanying drawings 1 to 2. In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Examples
As shown in fig. 1, the reinforced concrete cast-in-place pile breakage-free pile head isolation device comprises a first cylinder body 1, wherein a second cylinder body 2 is further arranged in the first cylinder body 1, the second cylinder body 2 is coaxially sleeved inside the first cylinder body 1, as shown in fig. 2, the isolation device further comprises an annular plate 3, the annular plate 3 is arranged between the first cylinder body 1 and the second cylinder body 2, the specific fixing mode is that the outer side of the annular plate 3 is fixed with the first cylinder body 1, the inner side of the annular plate 3 is fixed with the second cylinder body 2, and a plurality of holes 4 are formed in the annular plate 3.
Further, both ends cross section is isosceles trapezoid about the second barrel 2, and the diameter ratio diameter of its upper end lower extreme, and wherein annular plate 3 sets up the main aspects at second barrel 2, because annular plate 3 keeps away from ground during the use, makes invalid pile head can form a big-end-up's structure like this to make invalid pile head focus unstable, make to break and remove more easily.
Further, still including setting up the reinforcement mechanism between first barrel 1 and second barrel 2, the annular plate 3 setting is kept away from to the reinforcement mechanism, wherein the reinforcement mechanism is including setting up a plurality of bracing pieces 5 between first barrel 1 and second barrel 2, wherein a plurality of bracing pieces 5 equipartitions set up, the one end and the first barrel 1 of bracing piece 5 are connected, the other end is connected with second barrel 2, bracing piece 5 makes the one end that annular plate 3 was kept away from to first barrel 1 and second barrel 2 more firm to a certain extent, bracing piece 5 adopts common reinforcing bar on the market as the raw materials.
Furthermore, the concrete-separating cylinder further comprises a blocking mechanism, the blocking mechanism is used for separating the concrete from the cylinder body 2, and after the concrete is formed, the cylinder body 2 is convenient to pull out during subsequent treatment due to the fact that the cylinder body 2 is not adhered to the concrete.
Further, the blocking mechanism includes: the rubber block ring is fixed on the inner surface of the cylinder body 2, rubber materials cannot be combined with concrete, and then the isolation device is convenient to take off, wherein the rubber is an elastic polymer which can be obtained from sap of some plants and is also manufactured artificially, butyl rubber (IIR) is selected as a raw material of a blocking mechanism, and the butyl rubber (IIR) is a copolymer of isobutene and isoprene and has excellent insulating property.
The working steps of the utility model are as follows: when concrete is poured, the isolation device is placed among a plurality of cast-in-place pile main reinforcements, the annular plate 3 is far away from the ground when the isolation device is placed, the cast-in-place pile main reinforcements sequentially penetrate through the holes 4, the guide pipe penetrates through the second barrel body 2, then pouring is carried out until concrete overflows from the second barrel body 2, namely pouring is finished, after pouring is finished, concrete solidification is waited, the isolation device is slowly pulled out after the concrete solidification, after the concrete strength reaches the design requirement, the cast-in-place pile head is repeatedly knocked back and forth until the cast-in-place pile head breaks, and then the broken and separated pile head is lifted out by using a lifting device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a reinforced concrete bored concrete pile exempts from to break pile head isolating device which characterized in that includes:
a first cylinder (1);
the second cylinder (2) is coaxially sleeved inside the first cylinder (1);
annular plate (3), set up between first barrel (1) and second barrel (2), the outside of annular plate (3) is fixed with first barrel (1), the inboard and the second barrel (2) of annular plate (3) are fixed, a plurality of holes (4) have been seted up on annular plate (3).
2. A reinforced concrete bored concrete pile breakage-free pile head isolation device as claimed in claim 1, wherein the second cylinder (2) has an isosceles trapezoid shape in cross section, and has an upper end with a smaller diameter than a lower end.
3. A reinforced concrete bored pile breakage-free pile head isolation device according to claim 2, wherein the annular plate (3) is provided at the large end of the second cylinder (2).
4. A reinforced concrete bored concrete pile breakage-free pile head isolation device as recited in claim 3, further comprising: and the reinforcing mechanism is arranged between the first cylinder (1) and the second cylinder (2) and is positioned at one end far away from the annular plate (3).
5. The reinforced concrete cast-in-place pile breakage-free pile head isolation device as claimed in claim 4, wherein the reinforcement mechanism comprises: a plurality of bracing pieces (5), the equipartition sets up between first barrel (1) and second barrel (2), the one end and the first barrel (1) of bracing piece (5) are connected, and the other end is connected with second barrel (2).
6. The reinforced concrete cast-in-place pile breakage-free pile head isolating device as claimed in claim 1, further comprising: a barrier mechanism for separating concrete from the second cylinder (2).
7. The reinforced concrete cast-in-place pile breakage-free pile head isolation device as claimed in claim 6, wherein the blocking mechanism comprises: and the rubber check ring is fixed with the inner surface of the second cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221368957.8U CN217629902U (en) | 2022-06-02 | 2022-06-02 | Broken pile head isolating device is exempted from to reinforced concrete bored concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221368957.8U CN217629902U (en) | 2022-06-02 | 2022-06-02 | Broken pile head isolating device is exempted from to reinforced concrete bored concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217629902U true CN217629902U (en) | 2022-10-21 |
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ID=83623306
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221368957.8U Expired - Fee Related CN217629902U (en) | 2022-06-02 | 2022-06-02 | Broken pile head isolating device is exempted from to reinforced concrete bored concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217629902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116804325A (en) * | 2023-07-04 | 2023-09-26 | 中国建筑第二工程局有限公司 | A method for constructing pile heads of bored piles |
-
2022
- 2022-06-02 CN CN202221368957.8U patent/CN217629902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116804325A (en) * | 2023-07-04 | 2023-09-26 | 中国建筑第二工程局有限公司 | A method for constructing pile heads of bored piles |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221021 |