CN212477710U - Flexibly-mounted equipment for pre-broken concrete pile head - Google Patents
Flexibly-mounted equipment for pre-broken concrete pile head Download PDFInfo
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- CN212477710U CN212477710U CN202020105135.5U CN202020105135U CN212477710U CN 212477710 U CN212477710 U CN 212477710U CN 202020105135 U CN202020105135 U CN 202020105135U CN 212477710 U CN212477710 U CN 212477710U
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Abstract
The utility model relates to the technical field of building pile foundations, and discloses a flexibly-installed device for a pre-arranged type broken concrete pile head, which comprises a reinforcement cage (1) and a jack group, wherein the jack group is fixed on the reinforcement cage (1) on the upper side of a pre-fracture surface (2); the reinforcement cage (1) comprises at least three reinforcements (12), and the hollow jack is arranged between the adjacent reinforcements (12); or the hollow jack is sleeved on the steel bar (12); or the hollow jack is arranged on the inner side of the reinforcement cage (1). The hollow jack assembly mode is richer, can choose different mounting means according to the operating mode of difference for use, and the construction is more nimble. And starting the jack set to firstly generate pressure on the concrete with the pre-section so as to break the concrete with the pre-section. Starting again, and generating upward pressure on the fractured concrete so as to be convenient for hoisting away the concrete on the upper side of the pre-fracture surface; the construction difficulty of prying the concrete on the upper side of the pre-fracture surface is simplified, and the occupational health safety of workers is guaranteed.
Description
Technical Field
The utility model relates to a building pile basis technical field has especially related to the equipment of the formula fracture concrete pile head of putting earlier that can install in a flexible way.
Background
In the existing bridge cast-in-situ bored pile construction, the common method is as follows: chiseling by a small machine or cutting the pile head at the designed elevation position by a grinder, chiseling the protective layer concrete of the super-sealed pile head manually, stripping the main reinforcement from the lateral direction, and cleaning the pile head concrete in blocks. The traditional construction method has the following defects: (1) the construction efficiency is low. (3) The working environment is poor. The stripping of the main reinforcement protective layer takes longer time, more construction dust and large noise. (3) After cutting, the large concrete is difficult to transport out of the foundation pit. And (4) when the main reinforcement protective layer is stripped, the reinforcing steel bar is damaged, the bending deformation of the reinforcing steel bar is caused, the tensile strength is reduced, and the joint position becomes a weak point. (5) The cost is high. The pile head treatment time is long, so that the construction period of a foundation pit is long, and the costs of precipitation, water resistance, labor and machinery are high.
Disclosure of Invention
The utility model discloses to the shortcoming among the prior art, provide a but the equipment of the leading formula fracture concrete pile head of nimble installation.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the equipment for the pre-arranged type fractured concrete pile head, which can be flexibly installed, comprises a reinforcement cage and a jack group, wherein the jack group is fixed on the reinforcement cage on the upper side of the pre-section; the reinforcement cage comprises at least three reinforcements, and a first wrapping layer is sleeved on the reinforcements; the jack group includes two at least hollow jacks, and hollow jack all lists in the steel reinforcement cage, and the second parcel layer is cup jointed in the hollow jack outside.
Preferably, the hollow jack is arranged between adjacent reinforcing steel bars.
Preferably, the hollow jack is sleeved on the steel bar.
Preferably, the hollow jack is arranged on the inner side or the outer side of the reinforcement cage.
Preferably, when the hollow jack is sleeved on the steel bar, a first wrapping layer is arranged between the hollow jack and the steel bar.
Preferably, the material of the first and second wrapping layers is a release medium. The first wrapping layer and the second wrapping layer are pearl cotton wrapping layers or plastic wrapping layers or paper pulp wrapping layers.
Preferably, the pre-section is also provided with a cavity ring, and the jack group is arranged at the inner side of the cavity ring.
Preferably, the pre-section is further provided with a medium surface, and the medium surface is arranged below the jack group.
Preferably, the jacks are connected in series or in parallel.
Preferably, the jack group further comprises oil pipes, and the jacks are connected in series through the oil pipes.
When the jack group of the utility model selects the hollow jack, the hollow jack can be sleeved on the reinforcing steel bar, or can be arranged between the adjacent reinforcing steel bars or at the inner side of the reinforcing cage, and the assembly form of the hollow jack is more abundant; different installation modes can be selected according to different working conditions, and the construction is more flexible.
Utilize the utility model discloses a formula of putting earlier fracture concrete pile head's fracture device can conveniently separate the concrete at pile bolck design position automatic fracture, and then has improved follow-up pile head concrete separation work efficiency, practices thrift engineering construction cost, reduces environmental pollution, and guarantee workman occupational health safety reduces engineering safety risk, improves engineering quality.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the jack sets (hollow jacks or solid jacks) all arranged in the reinforcement cage are started, and pressure is firstly generated on the concrete (namely, the pre-section) around the jack sets, so that the pre-section concrete is broken. Starting again, the hollow jack or the solid jack generates upward pressure on the concrete with the fractured pre-fracture surface, so that the concrete on the upper side of the fractured pre-fracture surface can be conveniently lifted off; the construction difficulty of prying the concrete on the upper side of the pre-fracture surface by workers is simplified, the working condition time is saved, the environmental pollution is reduced, and the occupational health safety of the workers is guaranteed.
The interlayer is arranged on the outer side of the reinforcement cage, so that the reinforcement cage and the concrete are separated by the interlayer, and the gripping force cannot be formed; when the concrete on the upper side of the pre-breaking layer is recycled, the concrete is easy to separate from the reinforcement cage. The outer side of the hollow jack or the solid jack is provided with a sleeve which is convenient to recover. The device of the utility model is compact in structure and convenient in operation.
Drawings
FIG. 1 is a schematic structural view of example 1.
FIG. 2 is a schematic structural view of example 2.
FIG. 3 is a schematic structural view of embodiment 3.
FIG. 4 is a schematic structural view of example 4.
FIG. 5 is a schematic structural view of example 5.
Fig. 6 is a schematic illustration of the position of the pre-section.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. As shown, 6 is a foundation or casing.
Example 1
The equipment for the pre-arranged type fractured concrete pile head which can be flexibly installed, as shown in figures 1 and 6, comprises a reinforcement cage 1 and a jack set, wherein the jack set is fixed on the reinforcement cage 1 on the upper side of a pre-fracture surface 2; the reinforcement cage 1 comprises at least three reinforcements 12, and the first wrapping layer 11 is sleeved on the reinforcements 12; the jack group comprises at least two hollow jacks 3, the hollow jacks 3 are all arranged in the reinforcement cage 1, and the outer sides of the hollow jacks 3 are sleeved with a second wrapping layer 31; the material of the first and second wrapping layers 11, 31 is a release medium.
The reinforcement cage 1 comprises at least three reinforcements 12, and the hollow jack 3 is arranged between the adjacent reinforcements 12. The jack group also comprises an oil pipe 5, and the hollow jacks 3 are connected in series through the oil pipe 5.
The specific operation steps are as follows: A. sleeving a first wrapping layer 11 on the upper side of the pre-section of the steel reinforcement cage 1, fixing a jack group on the steel reinforcement cage 1 on the upper side of the pre-section 2, arranging hollow jacks 3 between adjacent steel reinforcements 12, enabling the hollow jacks 3 to be uniformly arranged in the steel reinforcement cage 1, sleeving a second wrapping layer 31 on the outer sides of the hollow jacks 3, installing the steel reinforcement cage 1, and pouring concrete; B. after the concrete is solidified, pressurizing the jack group to break the concrete of the layer where the pre-section 2 is located; C. continuing to pressurize the jack group, jacking the concrete on the upper side of the pre-fracture surface 2, and lifting away the concrete on the upper side of the pre-fracture surface 2; D. and (5) recovering the jack group, and removing the first wrapping layer 11 sleeved at the upper end of the reinforcement cage 1.
Example 2
The equipment for the pre-arranged type fractured concrete pile head which can be flexibly installed, as shown in figures 2 and 6, comprises a reinforcement cage 1 and a jack set, wherein the jack set is fixed on the reinforcement cage 1 on the upper side of a pre-fracture surface 2; the reinforcement cage 1 comprises at least three reinforcements 12, and the first wrapping layer 11 is sleeved on the reinforcements 12; the jack group comprises at least two hollow jacks 3, the hollow jacks 3 are all arranged in the reinforcement cage 1, and the outer sides of the hollow jacks 3 are sleeved with a second wrapping layer 31; the material of the first and second wrapping layers 11, 31 is a release medium.
The hollow jack is arranged at the inner side of the reinforcement cage 1. The jack group also comprises an oil pipe 5, and the jacks 3 are connected in series through the oil pipe 5.
The specific operation steps are as follows: A. sleeving a first wrapping layer 11 on the upper side of the pre-section of the reinforcement cage 1, fixing a jack group on the reinforcement cage 1 on the upper side of the pre-section 2, arranging hollow jacks on the inner side of the reinforcement cage 1, enabling the hollow jacks 3 to be uniformly arranged in the reinforcement cage 1, sleeving a second wrapping layer 31 on the outer side of each hollow jack 3, installing the reinforcement cage 1, and pouring concrete; B. after the concrete is solidified, pressurizing the jack group to break the concrete of the layer where the pre-section 2 is located; C. continuing to pressurize the jack group, jacking the concrete on the upper side of the pre-fracture surface 2, and lifting away the concrete on the upper side of the pre-fracture surface 2; D. and (5) recovering the jack group, and removing the first wrapping layer 11 sleeved at the upper end of the reinforcement cage 1.
Example 3
The equipment for the pre-arranged type fractured concrete pile head which can be flexibly installed comprises a reinforcement cage 1 and a jack set as shown in figures 3 and 6, wherein the jack set is fixed on the reinforcement cage 1 on the upper side of a pre-fracture surface 2; the reinforcement cage 1 comprises at least three reinforcements 12, and the first wrapping layer 11 is sleeved on the reinforcements 12; the jack group comprises at least two hollow jacks 3, the hollow jacks 3 are all arranged in the reinforcement cage 1, and the outer sides of the hollow jacks 3 are sleeved with a second wrapping layer 31; the material of the first and second wrapping layers 11, 31 is a release medium.
The hollow jack is arranged outside the reinforcement cage 1. The jack group also comprises an oil pipe 5, and the jacks 3 are connected in series through the oil pipe 5.
The specific operation steps are as follows: A. sleeving a first wrapping layer 11 on the upper side of the pre-section of the reinforcement cage 1, fixing a jack group on the reinforcement cage 1 on the upper side of the pre-section 2, arranging hollow jacks on the inner side of the reinforcement cage 1, enabling the hollow jacks 3 to be uniformly arranged in the reinforcement cage 1, sleeving a second wrapping layer 31 on the outer side of each hollow jack 3, installing the reinforcement cage 1, and pouring concrete; B. after the concrete is solidified, pressurizing the jack group to break the concrete of the layer where the pre-section 2 is located; C. continuing to pressurize the jack group, jacking the concrete on the upper side of the pre-fracture surface 2, and lifting away the concrete on the upper side of the pre-fracture surface 2; D. and (5) recovering the jack group, and removing the first wrapping layer 11 sleeved at the upper end of the reinforcement cage 1.
Example 4
The equipment for the pre-arranged type fractured concrete pile head which can be flexibly installed comprises a reinforcement cage 1 and a jack set as shown in figures 4 and 6, wherein the jack set is fixed on the reinforcement cage 1 on the upper side of a pre-fracture surface 2; the reinforcement cage 1 comprises at least three reinforcements 12, and the first wrapping layer 11 is sleeved on the reinforcements 12; the jack group comprises at least two hollow jacks 3, the hollow jacks 3 are all arranged in the reinforcement cage 1, and the outer sides of the hollow jacks 3 are sleeved with a second wrapping layer 31; the material of the first and second wrapping layers 11, 31 is a release medium.
The hollow jack is sleeved on the steel bar 12. A first wrapping layer 11 is arranged between the hollow jack and the reinforcing steel bar 12. The jack group also comprises an oil pipe 5, and the jacks 3 are connected in series through the oil pipe 5.
The specific operation steps are as follows: A. sleeving a first wrapping layer 11 on the upper side of the pre-section of the reinforcement cage 1, fixing a jack group on the reinforcement cage 1 on the upper side of the pre-section 2, sleeving a hollow jack on a reinforcement 12, enabling the hollow jacks 3 to be uniformly arranged in the reinforcement cage 1, sleeving a second wrapping layer 31 on the outer side of the hollow jack 3, installing the reinforcement cage 1, and pouring concrete; B. after the concrete is solidified, pressurizing the jack group to break the concrete of the layer where the pre-section 2 is located; c, continuously pressurizing the jack group, jacking the concrete on the upper side of the pre-fracture surface 2, and lifting away the concrete on the upper side of the pre-fracture surface 2; D. and (5) recovering the jack group, and removing the first wrapping layer 11 sleeved at the upper end of the reinforcement cage 1.
Example 5
The equipment for the pre-arranged type fractured concrete pile head which can be flexibly installed comprises a reinforcement cage 1 and a jack set as shown in figures 5 and 6, wherein the jack set is fixed on the reinforcement cage 1 on the upper side of a pre-fracture surface 2; the reinforcement cage 1 comprises at least three reinforcements 12, and the first wrapping layer 11 is sleeved on the reinforcements 12; the jack group comprises at least two hollow jacks 3, the hollow jacks 3 are all arranged in the reinforcement cage 1, and the outer sides of the hollow jacks 3 are sleeved with a second wrapping layer 31; the material of the first and second wrapping layers 11, 31 is a release medium.
The reinforcement cage 1 comprises at least three reinforcements 12, and the hollow jack is arranged between the adjacent reinforcements 12. The jacks 3 are connected in series or in parallel.
The pre-section 2 is also provided with a cavity ring, and the jack group is arranged at the inner side of the cavity ring; or the pre-section 2 is also provided with a medium surface 4, and the medium surface 4 is arranged at the lower side of the jack group.
The specific operation steps are as follows: A. sleeving a first wrapping layer 11 on the upper side of the pre-section of the steel reinforcement cage 1, fixing a jack group on the steel reinforcement cage 1 on the upper side of the pre-section 2, arranging hollow jacks 3 between adjacent steel reinforcements 12, enabling the hollow jacks 3 to be uniformly arranged in the steel reinforcement cage 1, sleeving a second wrapping layer 31 on the outer sides of the hollow jacks 3, installing the steel reinforcement cage 1, and pouring concrete; B. after the concrete is solidified, pressurizing the jack group to break the concrete of the layer where the pre-section 2 is located; C. continuing to pressurize the jack group, jacking the concrete on the upper side of the pre-fracture surface 2, and lifting away the concrete on the upper side of the pre-fracture surface 2; D. and (5) recovering the jack group, and removing the first wrapping layer 11 sleeved at the upper end of the reinforcement cage 1.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The equipment of the leading formula fracture concrete pile head that can install in a flexible way, its characterized in that: the device comprises a reinforcement cage (1) and a jack group, wherein the jack group is fixed on the reinforcement cage (1) on the upper side of a pre-fracture surface (2); the reinforcement cage (1) comprises at least three reinforcements (12), and the first wrapping layer (11) is sleeved on the reinforcements (12); the jack group comprises at least two hollow jacks (3), the hollow jacks (3) are all arranged in the reinforcement cage (1), and the second wrapping layer (31) is sleeved on the outer side of each hollow jack (3).
2. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the hollow jack is arranged between the adjacent steel bars (12).
3. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the hollow jack is sleeved on the steel bar (12).
4. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the hollow jack is arranged on the inner side or the outer side of the reinforcement cage (1).
5. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: when the hollow jack is sleeved on the steel bar (12), a first wrapping layer (11) is arranged between the hollow jack (3) and the steel bar (12).
6. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the materials of the first wrapping layer (11) and the second wrapping layer (31) are isolation media.
7. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the pre-section (2) is also provided with a cavity ring, and the jack group is arranged at the inner side of the cavity ring.
8. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the pre-section (2) is also provided with a medium surface (4), and the medium surface (4) is arranged on the lower side of the jack group.
9. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 1, wherein: the jacks (3) are connected in series or in parallel.
10. The flexibly-installable pre-positioned broken concrete pile head equipment according to claim 9, wherein: the jack group also comprises an oil pipe (5), and the hollow jacks (3) are connected in series through the oil pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020105135.5U CN212477710U (en) | 2020-01-17 | 2020-01-17 | Flexibly-mounted equipment for pre-broken concrete pile head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020105135.5U CN212477710U (en) | 2020-01-17 | 2020-01-17 | Flexibly-mounted equipment for pre-broken concrete pile head |
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| Publication Number | Publication Date |
|---|---|
| CN212477710U true CN212477710U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020105135.5U Active CN212477710U (en) | 2020-01-17 | 2020-01-17 | Flexibly-mounted equipment for pre-broken concrete pile head |
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| CN (1) | CN212477710U (en) |
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- 2020-01-17 CN CN202020105135.5U patent/CN212477710U/en active Active
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