CN221218773U - Post-grouting bottom-expanding filling pile - Google Patents
Post-grouting bottom-expanding filling pile Download PDFInfo
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- CN221218773U CN221218773U CN202323099113.5U CN202323099113U CN221218773U CN 221218773 U CN221218773 U CN 221218773U CN 202323099113 U CN202323099113 U CN 202323099113U CN 221218773 U CN221218773 U CN 221218773U
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- 239000004567 concrete Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Abstract
The application relates to the technical field of cast-in-place piles, in particular to a post-grouting and bottom-expanding cast-in-place pile which comprises a reinforcement cage, a base and a bottom-expanding mechanism, wherein the reinforcement cage is arranged at the top of the base, and fixed baffles are arranged around the inside of the base; the adjusting structure comprises a first transmission gear movably mounted in the middle of the inner bottom of the base, supporting blocks are fixedly mounted on the periphery of the inner bottom of the base, movable rods are fixedly mounted in the middle of one side, close to the first transmission gear, of the fixed baffle, and one end of each movable rod is connected with a threaded rod penetrating through the threaded rod and extending to the outer portion of each supporting block. This post-grouting club-footed bored concrete pile of pile bottom is through setting up club-footed mechanism, places steel reinforcement cage and base behind the stake hole, inserts the torsion bar and makes its and draw-in groove joint, twists the torsion bar and drives drive gear two and threaded rod rotation via drive gear one, makes four fixed baffles to the direction removal of keeping away from drive gear one side, can be convenient accomplish the club-footed.
Description
Technical Field
The application relates to the technical field of cast-in-place piles, in particular to a pile bottom post grouting pedestal cast-in-place pile.
Background
The cast-in-place pile is a pile made up by using in-place pore-forming, pouring concrete or reinforced concrete, and has the advantages of no vibration, no soil squeezing, low noise, etc. when it is used in urban building dense area, the cast-in-place pile can be extensively used in construction, and according to the different pore-forming process, the cast-in-place pile can be divided into cast-in-place pile for dry working pore-forming, cast-in-place pile for slurry wall protection pore-forming and cast-in-place pile for manual hole-digging, etc. the existent pile-forming operation construction procedure is that pile-forming operation construction is fixed in same pile position, i.e. after the pile hole is formed by rotary drilling machine construction, the pile-forming machine must be replaced.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, after the bottom expansion is finished in the prior art, a pile machine or a crane is needed to be used for hanging a reinforcement cage in a pile hole, concrete is poured, the reinforcement cage does not contain the bottom expansion function, and the concrete is easy to escape when the concrete is poured, so that the concrete is wasted, and the problem is solved by providing a post-pile grouting bottom expansion filling pile.
Disclosure of utility model
Aiming at the defects of the prior art, the application provides a post-grouting bottom-expanding bored concrete pile, which solves the problem that concrete is easy to escape and is wasted when the concrete is poured.
In order to achieve the above purpose, the present application provides the following technical solutions: the post-grouting bottom-expanding bored concrete pile comprises a reinforcement cage, a base and a bottom-expanding mechanism, wherein the reinforcement cage is arranged at the top of the base, and fixed baffles are arranged around the inside of the base;
The bottom expanding mechanism comprises a first transmission gear movably mounted in the middle of the inner bottom of a base, supporting blocks are fixedly mounted on the periphery of the inner bottom of the base, movable rods are fixedly mounted in the middle of one side of a fixed baffle, which is close to the first transmission gear, of the fixed baffle, one end of each movable rod is connected with a threaded rod penetrating through the threaded rod and extending to the outside of the supporting block, a second transmission gear meshed with the first transmission gear is fixedly mounted on the opposite side of the threaded rod, and the bottom expanding mechanism further comprises an auxiliary structure.
Further, auxiliary structure includes fixed mounting in the inside arc pole of fixed stop, the surface movable mounting of arc pole has movable stop, the inside fixed mounting of fixed stop has the movable spring with the movable stop butt.
The beneficial effects of adopting the further scheme are as follows: by arranging the auxiliary mechanism, the waste of concrete during pouring can be reduced as much as possible.
Further, the number of the fixing baffle plates is four, the fixing baffle plates are distributed in an annular equidistant mode, and the four fixing baffle plates are all in an arc shape.
The beneficial effects of adopting the further scheme are as follows: by arranging the fixed baffle, the molding of the concrete can be assisted, and the concrete can be prevented from escaping as much as possible.
Further, a rotating hole matched with the size of the threaded rod is formed in the supporting block, and the four second transmission gears are located at the top of the first transmission gear.
The beneficial effects of adopting the further scheme are as follows: through setting up the supporting shoe, played auxiliary stay threaded rod's effect.
Further, fixed blocks are fixedly installed around the inside of the reinforcement cage, one side, close to the first transmission gear, of the fixed baffle is fixedly provided with a limiting rod, one end of the limiting rod penetrates through and extends to the outside of the fixed block, and limiting holes matched with the limiting rod in size are formed in the inside of the fixed block.
The beneficial effects of adopting the further scheme are as follows: through setting up spacing hole, can prevent as far as possible that fixed stop from taking place the skew or rocking.
Further, the limit rod is far away from one side of the fixed baffle and is fixedly provided with a limit block, and the size of the limit block is larger than that of the limit hole.
The beneficial effects of adopting the further scheme are as follows: by providing the limiting block, the falling-off of the fixed baffle plate can be prevented as much as possible.
Further, the number of the movable baffles is eight, the movable baffles are distributed inside the four fixed baffles at equal intervals in a ring shape, and a limit groove is formed in one side, close to the arc-shaped rod, of each movable baffle.
The beneficial effects of adopting the further scheme are as follows: through setting up the spacing groove, prevent as far as possible that movable baffle from taking place skew or rocking.
Further, the clamping groove is formed in the top of the first transmission gear, and a torsion bar with one end penetrating through and extending to the outer portion of the base is arranged in the clamping groove.
The beneficial effects of adopting the further scheme are as follows: through setting up draw-in groove and torsion bar, the rotation of drive gear one has been made things convenient for.
Compared with the prior art, the application provides a post-grouting bottom-expanding bored concrete pile, which has the following beneficial effects:
This post-grouting club-footed bored concrete pile at the bottom of the pile through setting up club-footed mechanism, place reinforcing bar cage and base behind the stake hole, insert the torsion bar and make its and draw-in groove joint, twist the torsion bar and drive gear two and threaded rod rotation via drive gear one, make four fixed baffles remove to the direction of keeping away from drive gear one side, can be convenient accomplish the club-footed, at the in-process of removing, movable baffle can remove to opposite one side under the effect of movable spring, make fixed baffle and movable baffle enclose together and constitute a confined shape, make when pouring concrete, prevent the concrete escape as far as possible, reduce the waste of concrete when pouring, do benefit to actual use.
Drawings
FIG. 1 is a schematic diagram of the present application;
FIG. 2 is a top cross-sectional view of the base of the present application;
fig. 3 is an enlarged view of fig. 2a in accordance with the present application.
In the figure: 1. a reinforcement cage; 2. a base; 3. a fixed baffle; 4. a first transmission gear; 5. a support block; 6. a movable rod; 7. a threaded rod; 8. a transmission gear II; 9. a fixed block; 10. a limit rod; 11. an arc-shaped rod; 12. a movable baffle; 13. a movable spring; 14. a clamping groove; 15. torsion bar.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, 2 and 3, the post-grouting bottom-expanding filling pile in this embodiment comprises a reinforcement cage 1, a base 2 and a bottom-expanding mechanism, wherein the reinforcement cage 1 is arranged at the top of the base 2, fixing baffles 3 are arranged around the inside of the base 2, the number of the fixing baffles 3 is four and distributed in an annular equidistant manner, and the four fixing baffles 3 are arc-shaped, so that the forming of concrete can be assisted and concrete escape can be prevented as much as possible.
The bottom expanding mechanism comprises a first transmission gear 4 movably mounted in the middle of the inner bottom of a base 2, a supporting block 5 is fixedly mounted on the periphery of the inner bottom of the base 2, a movable rod 6 is fixedly mounted in the middle of one side of a fixed baffle 3 close to the first transmission gear 4, one end of the movable rod 6 is connected with a threaded rod 7 penetrating through and extending to the outer portion of the supporting block 5 in a threaded manner, the supporting block 5 plays a role in supporting the threaded rod 7 in an auxiliary manner, a rotating hole matched with the threaded rod 7 in size is formed in the supporting block 5, a second transmission gear 8 meshed with the first transmission gear 4 is fixedly mounted on one side of the threaded rod 7, the second transmission gears 8 are located at the top of the first transmission gear 4, and the bottom expanding mechanism further comprises an auxiliary structure.
Wherein, equal fixed mounting has fixed block 9 around the inside of steel reinforcement cage 1, and fixed stop 3 is close to one side fixed mounting of drive gear one 4 and runs through and extend to the outside gag lever post 10 of fixed block 9, and the inside of fixed block 9 has been seted up and has been adjusted spacing hole with gag lever post 10 size each other, can prevent as far as possible that fixed stop 3 from taking place the skew or rocking.
In addition, the limit rod 10 is fixed and mounted with a limit block on one side far away from the fixed baffle 3, and the size of the limit block is larger than that of the limit hole, so that the fixed baffle 3 can be prevented from falling off as much as possible.
The auxiliary structure comprises an arc-shaped rod 11 fixedly arranged inside the fixed baffle plate 3, a movable baffle plate 12 is movably arranged on the outer surface of the arc-shaped rod 11, a movable spring 13 which is abutted against the movable baffle plate 12 is fixedly arranged inside the fixed baffle plate 3, and the waste of concrete during pouring can be reduced as much as possible.
The number of the movable baffles 12 is eight, the movable baffles 12 are distributed in the four fixed baffles 3 at equal intervals in a ring shape, and a limit groove is formed in one side of the movable baffles 12, which is close to the arc-shaped rod 11, so that the movable baffles 12 are prevented from shifting or shaking as much as possible.
In addition, the clamping groove 14 is formed in the top of the first transmission gear 4, and the torsion bar 15 with one end penetrating through and extending to the outer portion of the base 2 is arranged in the clamping groove 14, so that the first transmission gear 4 can rotate conveniently.
The implementation principle of the post-grouting bottom-expanding filling pile of the embodiment of the application is as follows: through setting up the club-footed mechanism, place steel reinforcement cage 1 and base 2 behind the stake hole, insert torsion bar 15 make its and draw-in groove 14 joint, twist torsion bar 15 drive transmission gear two 8 and threaded rod 7 rotation via transmission gear one 4, make four fixed stop 3 to the direction removal of keeping away from transmission gear one 4 one side, can be convenient accomplish the club-footed.
The post-grouting bottom-expanding bored concrete pile has the advantages that the torsion bar 15 can be conveniently taken out after bottom expansion is completed by upward pulling, and the movable baffle 12 can move to the opposite side under the action of the movable spring 13 in the moving process, so that the fixed baffle 3 and the movable baffle 12 are enclosed together to form a closed shape, the concrete is prevented from escaping as much as possible when the concrete is poured, the waste of the concrete during pouring is reduced, and the practical use is facilitated.
Claims (8)
1. The utility model provides a post grouting club-footed bored concrete pile behind pile bottom, includes steel reinforcement cage (1), base (2) and club-footed mechanism, its characterized in that: the steel reinforcement cage (1) is arranged at the top of the base (2), and fixed baffles (3) are arranged around the inside of the base (2);
The bottom expanding mechanism comprises a first transmission gear (4) movably mounted in the middle of the inner bottom of a base (2), supporting blocks (5) are fixedly mounted around the inner bottom of the base (2), movable rods (6) are fixedly mounted in the middle of one side of the fixed baffle (3) close to the first transmission gear (4), one ends of the movable rods (6) are connected with threaded rods (7) penetrating through and extending to the outer portions of the supporting blocks (5) in a threaded manner, two transmission gears (8) meshed with the first transmission gear (4) are fixedly mounted on the opposite sides of the threaded rods (7), and the bottom expanding mechanism further comprises auxiliary structures.
2. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 1, wherein: the auxiliary structure comprises an arc-shaped rod (11) fixedly arranged inside the fixed baffle plate (3), a movable baffle plate (12) is movably arranged on the outer surface of the arc-shaped rod (11), and a movable spring (13) abutted against the movable baffle plate (12) is fixedly arranged inside the fixed baffle plate (3).
3. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 1, wherein: the number of the fixing baffles (3) is four, the fixing baffles are distributed in an annular equidistant mode, and the four fixing baffles (3) are all in an arc shape.
4. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 1, wherein: the inside of supporting shoe (5) is offered and is had the commentaries on classics hole with threaded rod (7) size looks adaptation, four drive gear two (8) all are located the top of drive gear one (4).
5. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 1, wherein: fixed block (9) are all fixed mounting around inside steel reinforcement cage (1), one side fixed mounting that fixed baffle (3) is close to transmission gear one (4) has one end to run through and extend to gag lever post (10) outside fixed block (9), the spacing hole with gag lever post (10) size looks adaptation is seted up to the inside of fixed block (9).
6. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 5, wherein: one side of the limiting rod (10) far away from the fixed baffle plate (3) is fixedly provided with a limiting block, and the size of the limiting block is larger than that of the limiting hole.
7. A post-pile-foundation grouting expanded-bottom bored concrete pile as defined in claim 2, wherein: the movable baffles (12) are eight in number and distributed in the four fixed baffles (3) at equal intervals in an annular mode, and limit grooves are formed in one side, close to the arc-shaped rods (11), of each movable baffle (12).
8. The post-pile-foundation grouting expanded-bottom bored concrete pile according to claim 1, wherein: the top of the first transmission gear (4) is provided with a clamping groove (14), and a torsion bar (15) with one end penetrating through and extending to the outside of the base (2) is arranged in the clamping groove (14).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218773U true CN221218773U (en) | 2024-06-25 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |