CN213571933U - Verticality and protective layer control device for placing reinforcement cage behind cast-in-situ bored pile - Google Patents
Verticality and protective layer control device for placing reinforcement cage behind cast-in-situ bored pile Download PDFInfo
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- CN213571933U CN213571933U CN202022033646.3U CN202022033646U CN213571933U CN 213571933 U CN213571933 U CN 213571933U CN 202022033646 U CN202022033646 U CN 202022033646U CN 213571933 U CN213571933 U CN 213571933U
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Abstract
The utility model relates to a put straightness and protective layer controlling means that hang down of steel reinforcement cage behind drilling bored concrete pile belongs to long auger drilling and presses bored concrete pile technical field. The control device comprises a top plate and a control cylinder, wherein the top plate is arranged at the top end of the control cylinder, and the inner diameter of the bottom end of the control cylinder is smaller than that of the top end. Roof and pile bolck construction face are leveled to paste and are put and fixed through the anchor bar, and the top internal diameter of a control section of thick bamboo is great, and the putting into of the steel reinforcement cage of being convenient for can carry out directly perceived measuration, and the bottom internal diameter of a control section of thick bamboo is less, and the position of restriction steel reinforcement cage effectively reduces the radial position deviation of steel reinforcement cage in the stake hole, and then ensures that the steel reinforcement cage keeps vertical state in the stake hole, improves the homogeneity of steel reinforcement cage protective layer thickness, is showing the speed of transferring that improves the steel reinforcement cage. In addition, this controlling means can also play solid wall effect, and it is downthehole not to bring earth into the stake in the steel reinforcement cage transfer process, prevents that the condition of concrete broken pile clamp mud in the stake from taking place.
Description
Technical Field
The utility model belongs to the technical field of long auger drilling pressure filling stake, concretely relates to put steel reinforcement cage's straightness and protective layer controlling means that hang down behind drilling bored concrete pile.
Background
The verticality and the protective layer control of the steel reinforcement cage are as follows: the construction process of putting a reinforcement cage after pile hole forming in conventional pile foundation construction is roughly divided into three construction processes: 1. placing a reinforcement cage after dry operation pore forming; 2. placing a reinforcement cage after the slurry wall protection is formed into a hole; 3. a construction process for inserting a reinforcement cage after pouring concrete into a cast-in-situ bored pile. Often adopt the steel reinforcement cage owner muscle outside to add the locating support or tie up the protective layer cushion in the work progress to guarantee the straightness and the protective layer of hanging down of steel reinforcement cage. Usually, dry operation pore-forming and mud dado pore-forming can audio-visually observe the stake hole, more accurately measurations steel reinforcement cage's protective layer homogeneity and straightness that hangs down, but to inserting steel reinforcement cage construction technology behind the bored concrete pile pore-forming, especially to characteristics stratum such as groundwater level is higher, the soil horizon is softer, the steel reinforcement cage that adopts sets up support frame or protective layer cushion construction method, hardly guarantees steel reinforcement cage's straightness and protective layer control that hangs down, and serious circumstances can cause certain quality and potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a put steel reinforcement cage's straightness and protective layer controlling means that hang down behind drilling bored concrete pile can effectively reduce steel reinforcement cage at the downthehole radial position deviation of stake, and then ensures that steel reinforcement cage keeps vertical state at the downthehole pile, improves the homogeneity of steel reinforcement cage protective layer thickness, is showing the speed of transferring that improves steel reinforcement cage. In addition, this controlling means can also play solid wall effect, and it is downthehole not to bring earth into the stake in the steel reinforcement cage transfer process, prevents that the condition of concrete broken pile clamp mud in the stake from taking place.
The embodiment of the utility model is realized like this:
the embodiment of the utility model provides a put straightness and protective layer controlling means that hang down of steel reinforcement cage behind drilling bored concrete pile, controlling means includes roof and a control section of thick bamboo, the roof set up in the top of a control section of thick bamboo, the bottom internal diameter of a control section of thick bamboo is less than the top internal diameter.
As an alternative to the above embodiment, the top plate has an annular shape, and a center line of the top plate coincides with a center line of the control cylinder.
As an alternative to the above embodiment, the inner surface of the control cylinder includes a first section surface and a second section surface, the first section surface is located above the second section surface, the diameter of the first section surface is gradually reduced from top to bottom, and the diameter of the second section surface is unchanged.
As an alternative to the above embodiment, the outer surface of the control cylinder includes a third section and a fourth section, the third section is located above the fourth section, the diameter of the third section is constant, and the diameter of the fourth section is gradually reduced from top to bottom.
As an alternative to the above embodiment, the control cartridge includes a first inner cartridge, a second inner cartridge, a first outer cartridge, and a second outer cartridge; the top end of the first outer cylinder is fixed with the top end of the first inner cylinder, the bottom end of the first outer cylinder is fixed with the top end of the second outer cylinder, the bottom end of the second outer cylinder is fixed with the bottom end of the second inner cylinder, and the top end of the second inner cylinder is fixed with the bottom end of the first inner cylinder; the first inner cylinder and the second outer cylinder are horn-shaped cylinders with diameters gradually reduced from top to bottom, and the first outer cylinder and the second inner cylinder are circular protective cylinders with diameters kept unchanged.
As an alternative to the above embodiment, the junction of the first outer cylinder and the second outer cylinder is adjacent to the junction of the first inner cylinder and the second inner cylinder.
As an alternative to the above embodiment, the control cylinder further includes a reinforcement ring, a receiving cavity is defined between the first inner cylinder, the second inner cylinder, the first outer cylinder and the second outer cylinder, the reinforcement ring is disposed in the receiving cavity, and the reinforcement ring is located at a junction of the first outer cylinder and the second outer cylinder.
As an alternative to the above embodiment, the distance from the tendon ring to the top end of the control cylinder is greater than the distance from the tendon ring to the bottom end of the control cylinder.
As an alternative to the above embodiment, the junction of the top plate and the control cylinder is fixed by a reinforcing rib.
As an alternative of the above embodiment, the control device further includes a hanging ring, a hanging hole is formed in the hanging ring, and the hanging ring is fixed to the top plate.
The utility model has the advantages that:
the utility model provides a put steel reinforcement cage's straightness and protective layer controlling means that hang down behind drilling bored concrete pile, the roof is levelly and smoothly pasted with pile bolck construction face and is put and fixed through the anchor bar, make the central line of a control section of thick bamboo and the central line coincidence in stake hole, the top internal diameter of a control section of thick bamboo is great, the putting into of the steel reinforcement cage of being convenient for and can carry out directly perceived measurationing, the bottom internal diameter of a control section of thick bamboo is less, restriction steel reinforcement cage's position, effectively reduce the radial position deviation of steel reinforcement cage in the stake hole, and then ensure that steel reinforcement cage keeps vertical state in the stake hole, and, the central line that can make steel reinforcement cage and the central line coincidence in stake hole as far as possible, improve the homogeneity of steel. In addition, this controlling means separates the top and the steel reinforcement cage in stake hole, plays solid wall effect, and the steel reinforcement cage is transferred the in-process and can not be brought earth into the stake downthehole, makes pile body concrete quality obtain guaranteeing, prevents that the condition of the broken pile of concrete in the stake from taking place.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 shows a schematic structural view of a perpendicularity and protection layer control device for placing a reinforcement cage after a bored pile according to an embodiment of the present invention;
FIG. 2 shows a schematic view of the use of the control device;
fig. 3 shows the installation state diagram of the perpendicularity and protection layer control device for placing the reinforcement cage after the cast-in-situ bored pile is provided by the embodiment of the utility model.
Icon:
10-a control device; 20-a reinforcement cage; 30-pile body; 40-soil around the pile;
11-a top plate; 12-a control cylinder; 13-reinforcing ribs; 14-a hoisting ring;
120-a first inner barrel; 121-a second inner cylinder; 122-a first outer barrel; 123-a second outer barrel; 124-first section; 125-second section; 126-third section; 127-a fourth section; 128-reinforcing steel bar ring; 140-hanging hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Please refer to fig. 1, the embodiment of the utility model provides a put the straightness that hangs down and protective layer controlling means 10 of steel reinforcement cage 20 behind the bored concrete pile, this controlling means 10 is used for inserting steel reinforcement cage 20 construction process behind the bored concrete pile concreting, can ensure that steel reinforcement cage 20 keeps vertical state in the stake hole, improve the homogeneity of the protective layer thickness of steel reinforcement cage 20, improve the speed of transferring of steel reinforcement cage 20, in addition, this controlling means 10 can play the solid wall effect, the condition that the broken pile of concrete in the prevention stake pressed from both sides mud takes place.
The control device 10 comprises a top plate 11, a control cylinder 12, a hanging ring 14 and a reinforcing rib 13.
The top plate 11 is disposed at the top end of the control cylinder 12, the top plate 11 may be a steel plate, and the whole top plate may be annular, and the thickness of the steel plate may be set as required, for example, 10mm, 15mm, 20mm, and the like.
The top plate 11 mainly plays a role in positioning, the top plate 11 is flatly attached to a pile top construction surface, and the periphery of the top plate 11 is fixed by anchor bars. The position of the top plate 11 determines the position and orientation of the control cylinder 12.
The top plate 11 and the control cylinder 12 may be integrally formed, or may be fixed by welding or the like.
The center line of the top plate 11 coincides with the center line of the control cylinder 12, and the aperture of the top plate 11 matches with the control cylinder 12.
The bottom end inner diameter of the control cylinder 12 is smaller than the top end inner diameter. The inner diameter of the control cylinder 12 may be changed gradually or stepwise.
Referring to fig. 2, in the present embodiment, the inner surface of the control cylinder 12 includes a first section surface 124 and a second section surface 125, the first section surface 124 is located above the second section surface 125, the diameter of the first section surface 124 gradually decreases from top to bottom, and the diameter of the second section surface 125 does not change.
The outer surface of the control cylinder 12 comprises a third section surface 126 and a fourth section surface 127, the third section surface 126 is located above the fourth section surface 127, the diameter of the third section surface 126 is constant, and the diameter of the fourth section surface 127 is gradually reduced from top to bottom.
The structure can be realized by adopting the following scheme: the control cylinder 12 includes a first inner cylinder 120, a second inner cylinder 121, a first outer cylinder 122, and a second outer cylinder 123.
The top end of the first outer cylinder 122 is fixed to the top end of the first inner cylinder 120, the bottom end of the first outer cylinder 122 is fixed to the top end of the second outer cylinder 123, the bottom end of the second outer cylinder 123 is fixed to the bottom end of the second inner cylinder 121, and the top end of the second inner cylinder 121 is fixed to the bottom end of the first inner cylinder 120.
The first inner cylinder 120 and the second outer cylinder 123 are trumpet-shaped cylinders with diameters gradually reduced from top to bottom, and the first outer cylinder 122 and the second inner cylinder 121 are circular protective cylinders with diameters kept unchanged.
The first inner cylinder 120 and the first outer cylinder 122 have substantially the same height, and the second inner cylinder 121 and the second outer cylinder 123 have substantially the same height, that is, the junction of the first outer cylinder 122 and the second outer cylinder 123 is adjacent to the junction of the first inner cylinder 120 and the second inner cylinder 121.
The outer diameter of the first outer cylinder 122 may be slightly larger than the inner diameter of the stake hole, for example, the outer diameter of the first outer cylinder 122 is 12mm larger than the inner diameter of the stake hole, etc.
The height of the first inner cylinder 120 is greater than that of the second inner cylinder 121.
The above structure can reduce the mass of the control cylinder 12, and of course, the side wall of the control cylinder 12 may be a solid structure.
In addition, the control cylinder 12 may further include a reinforcing ring 128, and the reinforcing ring 128 may increase the strength of the control cylinder 12 to prevent the control cylinder 12 from being deformed.
The first inner cylinder 120, the second inner cylinder 121, the first outer cylinder 122 and the second outer cylinder 123 define a containing cavity therebetween, the reinforcing ring 128 is disposed in the containing cavity, and the reinforcing ring 128 is located at the joint of the first outer cylinder 122 and the second outer cylinder 123.
The distance from the tendon ring 128 to the top end of the control cylinder 12 is greater than the distance from the tendon ring 128 to the bottom end of the control cylinder 12.
In addition, the joint of the top plate 11 and the control cylinder 12 is fixed by a plurality of reinforcing ribs 13, the plurality of reinforcing ribs 13 are distributed around the axial direction of the control cylinder 12, the reinforcing ribs 13 are triangular, and the thickness of the reinforcing ribs 13 can be 10 mm.
The hanging ring 14 is provided with a hanging hole 140, and the hanging ring 14 is fixed on the top plate 11. The number of the hanging rings 14 is multiple, the hanging rings 14 are distributed around the opening of the control cylinder 12, and the hanging rings 14 can be made of thick steel plates.
Referring to fig. 3, the pile diameter of the slope protection pile is 800mm, and the diameter of the reinforcement cage 20 is 700mm for the example of the present embodiment:
forming a hole by using the cast-in-situ bored pile or filling plain concrete to form a pile;
hoisting the hoisting ring 14 by a crane or the like, and lowering the control device 10 into the pile hole of the pile body 30;
the top plate 11 of the control device 10 is flatly attached to the construction surface of the pile top, the outer surface of the control cylinder 12 is closely attached to the soil body 40 around the pile, and at the moment, the center line of the control cylinder 12 is overlapped or basically overlapped with the center line of the pile hole;
the vibration device, the steel pipe and the reinforcement cage 20 are lifted, the lower end of the reinforcement cage 20 is inserted into the concrete pile body 30 through the control cylinder 12, the steel pipe is driven by the gravity, the vibration device and the vibration device to vibrate and impact the end part of the reinforcement cage 20, the reinforcement cage 20 is made to sink to a preset depth, and in the process, the position of the reinforcement cage 20 is measured and controlled through the control device 10 at any time.
In this embodiment, the dimensions of the control device 10 can be as shown with reference to fig. 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The device for controlling the verticality and the protective layer of the rear steel reinforcement cage placement of the cast-in-situ bored pile is characterized by comprising a top plate and a control cylinder, wherein the top plate is arranged at the top end of the control cylinder, and the inner diameter of the bottom end of the control cylinder is smaller than that of the top end.
2. The device for controlling the perpendicularity and the protective layer of the post-cast steel reinforcement cage of the cast-in-situ bored pile according to claim 1, wherein the top plate is annular, and a center line of the top plate coincides with a center line of the control cylinder.
3. The device for controlling perpendicularity and the protective layer of a reinforcement cage placed behind a cast-in-situ bored pile according to claim 1, wherein the inner surface of the control cylinder comprises a first section and a second section, the first section is located above the second section, the diameter of the first section is gradually reduced from top to bottom, and the diameter of the second section is unchanged.
4. The device for controlling the perpendicularity and the protective layer of a post-cast steel reinforcement cage of a cast-in-situ bored pile according to claim 1, wherein the outer surface of the control cylinder comprises a third section and a fourth section, the third section is located above the fourth section, the diameter of the third section is constant, and the diameter of the fourth section is gradually reduced from top to bottom.
5. The device for controlling the perpendicularity and the protective layer of a post-cast steel reinforcement cage of a cast-in-situ bored pile according to claim 1, wherein the control cylinder comprises a first inner cylinder, a second inner cylinder, a first outer cylinder and a second outer cylinder; the top end of the first outer cylinder is fixed with the top end of the first inner cylinder, the bottom end of the first outer cylinder is fixed with the top end of the second outer cylinder, the bottom end of the second outer cylinder is fixed with the bottom end of the second inner cylinder, and the top end of the second inner cylinder is fixed with the bottom end of the first inner cylinder; the first inner cylinder and the second outer cylinder are horn-shaped cylinders with diameters gradually reduced from top to bottom, and the first outer cylinder and the second inner cylinder are circular protective cylinders with diameters kept unchanged.
6. The apparatus for controlling perpendicularity and protection layer of a post-cast steel reinforcement cage of a cast-in-situ bored pile according to claim 5, wherein a junction of the first outer cylinder and the second outer cylinder is adjacent to a junction of the first inner cylinder and the second inner cylinder.
7. The device for controlling perpendicularity and protection layer of a reinforcement cage placed behind a bored pile according to claim 5, wherein the control cylinder further comprises a reinforcement ring, an accommodating cavity is defined between the first inner cylinder, the second inner cylinder, the first outer cylinder and the second outer cylinder, the reinforcement ring is arranged in the accommodating cavity, and the reinforcement ring is located at the joint of the first outer cylinder and the second outer cylinder.
8. The apparatus for controlling perpendicularity and protection of a reinforcement cage after pile drilling according to claim 7, wherein the distance from the reinforcement ring to the top end of the control cylinder is greater than the distance from the reinforcement ring to the bottom end of the control cylinder.
9. The device for controlling the perpendicularity and the protective layer of the post-cast reinforcement cage of the cast-in-situ bored pile according to claim 1, wherein a joint between the top plate and the control cylinder is fixed by a reinforcing rib.
10. The device for controlling the perpendicularity and the protective layer of the post-cast steel reinforcement cage of the cast-in-situ bored pile according to claim 1, further comprising a hanging ring, wherein a hanging hole is formed in the hanging ring, and the hanging ring is fixed to the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022033646.3U CN213571933U (en) | 2020-09-16 | 2020-09-16 | Verticality and protective layer control device for placing reinforcement cage behind cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022033646.3U CN213571933U (en) | 2020-09-16 | 2020-09-16 | Verticality and protective layer control device for placing reinforcement cage behind cast-in-situ bored pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213571933U true CN213571933U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022033646.3U Active CN213571933U (en) | 2020-09-16 | 2020-09-16 | Verticality and protective layer control device for placing reinforcement cage behind cast-in-situ bored pile |
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| Country | Link |
|---|---|
| CN (1) | CN213571933U (en) |
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- 2020-09-16 CN CN202022033646.3U patent/CN213571933U/en active Active
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