CN215889397U - Positioning device for top elevation of cast-in-place pile reinforcement cage - Google Patents
Positioning device for top elevation of cast-in-place pile reinforcement cage Download PDFInfo
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- CN215889397U CN215889397U CN202122356939.XU CN202122356939U CN215889397U CN 215889397 U CN215889397 U CN 215889397U CN 202122356939 U CN202122356939 U CN 202122356939U CN 215889397 U CN215889397 U CN 215889397U
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- reinforcement cage
- connecting rope
- blocking rod
- elevation
- pile
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 92
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 9
- 238000000429 assembly Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cast-in-place pile construction, in particular to a cast-in-place pile reinforcement cage top elevation positioning device. The measuring device comprises a steel reinforcement cage vertically arranged in a pile hole, wherein the top of the steel reinforcement cage is connected with a plurality of measuring assemblies, each measuring assembly comprises a connecting rope, the bottom of each connecting rope is fixed to the top of the steel reinforcement cage, each connecting rope is tightened, and the top of each connecting rope is connected with a vertically arranged graduated scale; the scale marks of the scales of all the measuring assemblies are level in the horizontal direction; the top of the reinforcement cage is also connected with a horizontal blocking rod, and the blocking rod is transversely arranged at the upper opening of the pile hole. Through the technical scheme, the elevation of the reinforcement cage can be determined by utilizing the positioning foundation on site. Then set up on the steel reinforcement cage and block the pole, adjust the height of steel reinforcement cage to suitable position through measuring assembly, then adjust the height that blocks the pole again and let block the pole and support the steel reinforcement cage.
Description
Technical Field
The utility model relates to the technical field of cast-in-place pile construction, in particular to a cast-in-place pile reinforcement cage top elevation positioning device.
Background
The construction of the cast-in-place pile generally comprises the steps of firstly drilling a pile hole, then welding a reinforcement cage according to the design condition, then putting the reinforcement cage into the pile hole, and finally pouring concrete.
Because the pile hole is generally filled with water, the height of the steel reinforcement cage from the lower part of the steel reinforcement cage to the pile hole is directly submerged by water and is difficult to control. In the prior art, a cross rod is connected to the top of a reinforcement cage, then the reinforcement cage and the cross rod are directly connected to the lower portion of the pile hole, and then the cross rod is clamped to the top of the pile hole, so that the elevation of the reinforcement cage is controlled, but the error of the mode is large.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a positioning device for the top elevation of a cast-in-place pile reinforcement cage.
The technical problem to be solved is that: the existing steel reinforcement cage of the cast-in-place pile is used for positioning the elevation of the steel reinforcement cage by clamping a cross rod at the top of a pile hole in the process of connecting the cross rod at the top and then placing the steel reinforcement cage, and the positioning error of the method is larger.
In order to solve the technical problem, the utility model provides a cast-in-place pile reinforcement cage top elevation positioning device which adopts the following scheme.
A positioning device for the top elevation of the reinforcement cage of a cast-in-place pile comprises a reinforcement cage vertically arranged in a pile hole, the top of the reinforcement cage is connected with a plurality of measuring components,
the measuring assembly comprises a connecting rope, the bottom of the connecting rope is fixed at the top of the steel reinforcement cage, the connecting rope is tightened, and the top of the connecting rope is connected with a vertically arranged graduated scale; the scale marks of the scales of all the measuring assemblies are level in the horizontal direction;
the top of the reinforcement cage is also connected with a horizontal blocking rod, and the blocking rod is transversely arranged at the upper opening of the pile hole.
Preferably, the top of the reinforcement cage is connected with an extension rib which extends vertically upwards, and the top of the extension rib is connected with a blocking rod.
Preferably, the top of the extension rib is bent into a hook or a circular connecting part, and the connecting part is connected with the blocking rod.
Preferably, both ends of the blocking rod are pressed on the ground outside the pile hole, and a plurality of check blocks or jacks are arranged between the blocking rod and the ground to support and adjust the height of the blocking rod.
Preferably, the reinforcement cage is provided with three measuring assemblies, and the three measuring assemblies are respectively positioned at three corners of an equilateral triangle.
Preferably, the connecting rope is made of a nylon rope and is connected to a main rib of the reinforcement cage; the subaerial elevation location basis that has of stake hole department, the steel rule of the material stereoplasm of scale, the length of scale is 50cm-100cm, and the steel reinforcement cage below targets in place the back elevation and is fixed as the middle part that the basis is located the scale.
Compared with the prior art, the positioning device for the top elevation of the cast-in-place pile reinforcement cage has the following beneficial effects:
the positioning mode in the prior art is to calculate the height in advance according to the actual elevation and then install the cross rod on the reinforcement cage, but the method easily causes the error of the overall reinforcement cage elevation due to the accuracy problem of the cross rod installation.
According to the utility model, the top of the reinforcement cage is connected with the measuring assembly, the measuring assembly comprises a connecting rope connected with the top of the reinforcement cage and graduated scales connected with the connecting rope, and then the elevation of the reinforcement cage can be determined by arranging a plurality of graduated scales on the reinforcement cage through a positioning foundation on site. Then set up on the steel reinforcement cage and block the pole, adjust the height of steel reinforcement cage to suitable position through measuring assembly, then adjust the height that blocks the pole again and let block the pole and support the steel reinforcement cage.
Drawings
Fig. 1 is a schematic view of the device for locating the elevation of the top of a bored concrete pile cage according to the present invention after it has been installed in place.
Description of reference numerals: the method comprises the following steps of 1-a reinforcement cage, 2-a protective cylinder, 3-a measuring component, 3 a-a graduated scale, 3 b-a connecting rope, 4-a blocking rod, 5-an extension rib, 6-a cushion block and 7-the ground.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as shown in reference to fig. 1, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a device for positioning the top elevation of a reinforcement cage of a cast-in-place pile, aiming at solving the problem that the elevation of the reinforcement cage 1 is positioned by clamping a cross rod at the top of a pile hole in the process of connecting the top of the reinforcement cage 1 with the cross rod and then lowering the reinforcement cage 1, and the positioning error of the method is larger. As shown in the schematic view of figure 1,
a positioning device for the top elevation of a bored concrete pile reinforcement cage comprises a reinforcement cage 1 vertically arranged in a pile hole, a plurality of measuring assemblies 3 connected with the top of the reinforcement cage 1,
the measuring assembly 3 comprises a connecting rope 3b, the bottom of the connecting rope 3b is fixed at the top of the reinforcement cage 1, the connecting rope 3b is tight, and the top of the connecting rope 3b is connected with a vertically arranged graduated scale 3 a; the scale marks of the scales 3a of all the measuring assemblies 3 are level and level in the horizontal direction;
the top of the steel reinforcement cage 1 is also connected with a horizontal blocking rod 4, and the blocking rod 4 transversely spans the upper opening of the pile hole.
The positioning mode in the prior art is to calculate the height in advance according to the actual elevation and then install the cross rod on the reinforcement cage 1, but the method easily causes the error of the elevation of the whole reinforcement cage 1 due to the accuracy problem of the installation of the cross rod.
According to the utility model, the measuring component 3 is connected to the top of the reinforcement cage 1, the measuring component 3 comprises a connecting rope 3b connected with the top of the reinforcement cage 1 and graduated scales 3a connected with the connecting rope 3b, and then the elevation of the reinforcement cage 1 can be determined by arranging a plurality of graduated scales 3a on the reinforcement cage 1 through the positioning foundation on site. Then set up on steel reinforcement cage 1 and block pole 4, adjust the height of steel reinforcement cage 1 to suitable position through measuring subassembly 3, then adjust the height of blocking pole 4 again and let and block pole 4 support steel reinforcement cage 1.
Specifically, the length of the connecting rope 3b can be adjusted, and the connecting rope can be connected to the main reinforcement of the reinforcement cage 1 and can be connected to the stirrup. The connection means may be by mooring or by a clip. The bottom of scale 3a has the connecting hole, connects rope 3b and penetrates in the connecting hole and fixes with scale 3 a.
In the state as shown in fig. 1, the reinforcement cage 1, the connecting rope 3b and the scale 3a are kept vertical, and in the state where the connecting rope 3b is tightened, the scale lines of all the scales 3a are kept uniform in the horizontal direction. I.e. taking an arbitrary horizontal plane, the scale of which remains the same on all scales 3 a. Through the mode, the verticality of the reinforcement cage 1 can be judged in the process of lowering the reinforcement cage 1.
As shown in fig. 1, since many times the reinforcement cage 1 needs to be lowered into the pile hole, the blocking rod 4 is higher than the reinforcement cage 1, so the top of the reinforcement cage 1 is connected with the extension bar 5 extending vertically upwards, and the top of the extension bar 5 is connected with the blocking rod 4. The extension rib 5 is obtained by continuously extending the main rib of the reinforcement cage 1.
Meanwhile, the top of the extension rib 5 is bent into a hook or a circular connecting part, and the connecting part is connected with the blocking rod 4. Two ends of the blocking rod 4 are pressed on the ground 7 outside the pile hole, and a plurality of check blocks or jacks are arranged between the blocking rod 4 and the ground 7 for supporting and adjusting the height of the blocking rod 4. When in use, the height of the reinforcement cage 1 is obtained according to the reading of the graduated scale 3a, and then the number of the cushion blocks 6 or the height of the jack is adjusted under the condition that the reinforcement cage 1 is not moved so that the blocking rod 4 supports the reinforcement cage 1.
As shown in fig. 1, three measuring assemblies 3 are arranged on the reinforcement cage 1, and the three measuring assemblies 3 are respectively located at three corners of an equilateral triangle. Meanwhile, the connecting rope 3b is made of a nylon rope, and the connecting rope 3b is connected to a main rib of the reinforcement cage 1; the ground 7 at stake hole department has elevation location basis, the hard steel rule of material of scale 3a, the length of scale 3a is 50cm-100cm, and the back elevation that targets in place below steel reinforcement cage 1 is for the middle part that the basis is located scale 3 a.
The working mode of the utility model is as follows: the elevation of the reinforcement cage 1 and the inclination of the reinforcement cage 1 are determined according to the reading of the graduated scale 3a in the process of lowering the reinforcement cage 1. After the height position of the reinforcement cage 1 is in place, the blocking rod 4 is installed on the extension rib 5, a cushion block 6 or a jack is arranged between the ground 7 and the blocking rod 4, the blocking rod 4 is weighed on the ground 7, and then the hoisting acting force on the reinforcement cage 1 is removed.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. A cast-in-place pile reinforcement cage top elevation positioning device is characterized by comprising a reinforcement cage (1) vertically arranged in a pile hole, wherein the top of the reinforcement cage (1) is connected with a plurality of measuring components (3),
the measuring assembly (3) comprises a connecting rope (3 b), the bottom of the connecting rope (3 b) is fixed to the top of the steel reinforcement cage (1), the connecting rope (3 b) is tight, and the top of the connecting rope is connected with a vertically arranged graduated scale (3 a); the scale marks of the scales (3 a) of all the measuring components (3) are level and level in the horizontal direction;
the top of the steel reinforcement cage (1) is also connected with a horizontal blocking rod (4), and the blocking rod (4) transversely spans the upper opening of the pile hole.
2. A device for locating the top of a bored concrete pile cage according to claim 1, wherein the top of the cage (1) is connected to an extension bar (5) extending vertically upwards, and the top of the extension bar (5) is connected to the blocking rod (4).
3. A device for locating the top elevation of a bored concrete pile reinforcement cage according to claim 2, wherein the top of the extension bar (5) is bent into a hook or a circular connecting portion, and the connecting portion is connected to the blocking rod (4).
4. A device for locating the top of a bored concrete pile cage according to claim 1, wherein the blocking rod (4) is pressed at its both ends against the ground (7) outside the pile hole, and a plurality of stoppers or jacks are provided between the blocking rod (4) and the ground (7) for supporting and adjusting the height of the blocking rod (4).
5. A device for locating the top of a bored concrete pile cage according to claim 1, wherein three measuring units (3) are provided on the cage (1), and the three measuring units (3) are located at three corners of an equilateral triangle respectively.
6. A device for locating the top elevation of a bored concrete pile reinforcement cage according to claim 1, wherein the connecting rope (3 b) is made of nylon rope, and the connecting rope (3 b) is connected to the main reinforcement of the reinforcement cage (1);
the elevation positioning foundation is arranged on the ground (7) at the position of the pile hole, the steel ruler made of hard materials of the graduated scale (3 a) is 50cm-100cm long, and the elevation is positioned in the middle of the graduated scale (3 a) as the foundation after the lower part of the steel reinforcement cage (1) is in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356939.XU CN215889397U (en) | 2021-09-28 | 2021-09-28 | Positioning device for top elevation of cast-in-place pile reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356939.XU CN215889397U (en) | 2021-09-28 | 2021-09-28 | Positioning device for top elevation of cast-in-place pile reinforcement cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215889397U true CN215889397U (en) | 2022-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122356939.XU Active CN215889397U (en) | 2021-09-28 | 2021-09-28 | Positioning device for top elevation of cast-in-place pile reinforcement cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215889397U (en) |
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2021
- 2021-09-28 CN CN202122356939.XU patent/CN215889397U/en active Active
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