CN113846626A - Stable tip ground-grasping type concrete pipe pile - Google Patents
Stable tip ground-grasping type concrete pipe pile Download PDFInfo
- Publication number
- CN113846626A CN113846626A CN202111177925.XA CN202111177925A CN113846626A CN 113846626 A CN113846626 A CN 113846626A CN 202111177925 A CN202111177925 A CN 202111177925A CN 113846626 A CN113846626 A CN 113846626A
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- pipe body
- fixing
- arc
- pipe pile
- circular ring
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a stable concrete pipe pile with a ground grabbed at the top end, which comprises a pipe body, wherein supporting side plates are arranged on the outer sides of the top end and the bottom end of the pipe body at equal intervals, supporting blocks are symmetrically welded on the two sides of the bottom end of each supporting side plate, positioning blocks are symmetrically welded at the bottom ends of the supporting blocks, fixing holes are formed in the bottom edge of each supporting side plate, fixing rods are embedded in the fixing holes, fixing knobs are arranged at the top ends of the fixing rods, connecting blocks are welded on the outer sides of the top end and the bottom end of the pipe body at equal intervals, and connecting holes are formed in the top ends of the connecting blocks. The problem that the tubular pile is corroded by excessive accumulated water is avoided.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a stable concrete pipe pile with a ground grabbed by a tip.
Background
The precast concrete pipe pile is a foundation component in building engineering, has high single-pile bearing capacity and strong penetrating power, can use pipe piles with different diameters in the same building foundation, easily solves the problem of pile arrangement, can fully exert the bearing capacity of each pile, can be connected into any length by a single pile, is not limited by construction mechanical capacity and construction conditions, has low manufacturing cost and saves materials.
After the prefabricated concrete pipe pile is installed at present, when rainwater weather occurs, accumulated water in the concrete pipe pile is difficult to discharge, the accumulated water easily causes erosion to the concrete pipe pile for a long time, and the problem that construction safety cannot be guaranteed is caused.
Disclosure of Invention
The invention provides a stable concrete pipe pile with a ground grabbed at the top end, which can effectively solve the problems that accumulated water in the concrete pipe pile is difficult to discharge in rainy days after the prefabricated concrete pipe pile is installed, the accumulated water is easy to corrode the concrete pipe pile for a long time, construction materials are wasted, and construction safety cannot be guaranteed.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ground formula concrete pipe pile is grabbed to pointed end of stable form, includes the body, its characterized in that: supporting side plates are arranged on the outer sides of the top end and the bottom end of the tube body at equal intervals, a rubber piston is embedded in the bottom end of the tube body, supporting blocks are symmetrically welded on two sides of the bottom end of the supporting side plate, positioning blocks are welded at the bottom of the supporting blocks on the top of the pipe body, a fixing hole is arranged on one side of the top end of the supporting side plate, a fixing rod is embedded in the fixing hole, the top end of the fixed rod is provided with a fixed knob, the outer sides of the top end and the bottom end of the tube body are welded with connecting blocks at equal intervals, a connecting hole is arranged in the connecting block, a connecting rod is arranged in the connecting hole, a connecting knob is arranged at the bottom end of the connecting rod, the inner wall of one end of the tube body is fixedly connected with a gas injection tube, the two ends of the outer side of the tube body are both provided with water outlets, the bottom end of the pipe body is bonded with a lower sealing rubber pad, the top end of the pipe body is bonded with an upper sealing rubber pad, and the bottom end of the supporting block at the bottom of the pipe body is provided with a positioning groove.
Preferably, the positioning grooves and the positioning blocks are equal in size, and anti-skid grains are processed on the surfaces of the positioning blocks.
Preferably, the inner diameter of the connecting hole is larger than the outer diameter of the connecting rod, the inner diameter of the connecting knob is larger than the outer diameter of the connecting rod, and threads are machined on the surface of the connecting rod.
Preferably, the inner diameter of the fixing hole is larger than the outer diameter of the fixing rod, the inner diameter of the fixing knob is larger than the outer diameter of the fixing rod, threads are machined on the surface of the fixing rod, and a round angle is machined at the bottom end of the fixing rod.
Preferably, the outer diameter of the lower sealing rubber gasket is equal to that of the upper sealing rubber gasket, and the lower sealing rubber gasket, the upper sealing rubber gasket and the pipe body are bonded by waterproof glue.
Preferably, the inner wall of the pipe body and the inner wall of the gas injection pipe are both coated with sealing coating.
Preferably, sealing rubber is arranged at the outer openings of the gas injection pipe and the water outlet.
Preferably, a feeding head is detachably mounted below the lowest pipe body; the feeding head comprises a circular ring section and a conical head section fixedly connected to the lower end of the circular ring section; the outer arc surface of the conical head section and the outer circumferential surface of the circular ring section are both provided with a thread structure; a plurality of through arc-shaped guide grooves are formed in the circumferential surface of the circular ring section; each arc-shaped guide groove is centrally and symmetrically distributed by a central axis of the circular ring section; the arc-shaped guide groove is arc-shaped downwards from the upper part along the feeding direction of the thread structure; the pipe body positioned at the lowest part is embedded into the circular ring section, and pins are respectively arranged on the outer circumferential surface of the pipe body corresponding to the arc-shaped guide grooves; the pin is embedded in the arc-shaped guide groove and can move along the arc-shaped guide groove.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. according to the invention, through the matched use of the upper sealing rubber pad, the lower sealing rubber pad, the gas injection pipe and the water outlet, a constructor can inject gas through the gas injection pipe by virtue of air pressure, so that the rubber piston in the tubular pile rises to drive the liquid level to rise, and the liquid level is discharged from the water outlet after reaching a certain height, thereby realizing the discharge of accumulated water in the tubular pile and avoiding the problem that the tubular pile is corroded by excessive accumulated water.
2. According to the invention, through the matching use of the positioning block and the positioning groove, when a constructor connects the tubular pile, the preliminary positioning of the tubular pile can be realized by using the positioning block and the positioning groove, a measuring instrument is not needed for positioning, and the working efficiency of the constructor is improved.
3. According to the invention, through the matched use of the supporting side plates, the supporting blocks, the positioning grooves, the fixing holes, the fixing rods and the fixing knobs, a constructor can fix the tubular pile on the ground by using the fixing rods, so that the tubular pile is more stable, the tubular pile can be more conveniently butted when being connected by using the positioning blocks and the positioning grooves, the constructor can conveniently install the tubular pile, and the installation is more accurate.
4. The invention skillfully combines the advantages of hammering and rotating the pile, and simultaneously utilizes the huge impulse caused by the combination of the rotating speed, the descending speed and the inertia of the dead weight of the tubular pile to ensure that the feeding head obtains huge short-time rotating force, thereby greatly reducing the equipment power required by the screwing-in method; the collision position of the pin is positioned at the deepest part of the pile hole, and the generated noise is blocked and absorbed by the soil layer, so that the generated noise is very low; adopt the cooperation of feeding head arc guide slot cooperation body pin, the body is rotatory and the unity and the synchronization of lift have been realized ingeniously, combine the motion of two directions together, thereby utilize the huge weight of body self at the pile driving in-process, cooperation arc guide slot acceleration process in the length distance, give the huge momentum of body, then turn into the huge turning force of feeding head with this momentum of gathering, thereby realize the precession process of feeding head, at this in-process, the body is in the stack state of being connected with the separation with the feeding head, make it accomplish different actions separately, finally realize the pile driving process of tubular pile, the advantage of hammering method and screw in method has been remain simultaneously, and to a great extent has avoidd both shortcoming simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the connecting block of the present invention;
FIG. 3 is a cross-sectional view of a gas injection tube of the present invention;
FIG. 4 is a schematic view of the mounting structure of the rubber piston of the present invention;
FIG. 5 is a schematic view of the mounting structure of the support side plate of the present invention;
fig. 6 is a schematic view of the lowermost tubular body of the present invention in cooperation with a feed head.
Reference numbers in the figures: 1. a pipe body; 2. supporting the side plates; 3. a support block; 4. positioning blocks; 5. a fixing hole; 6. fixing the rod; 7. fixing the knob; 8. connecting blocks; 9. connecting holes; 10. a connecting rod; 11. a connecting knob; 12. a gas injection pipe; 13. a water outlet; 14. a lower sealing rubber pad; 15. sealing a rubber pad; 16. positioning a groove; 17. a rubber piston; 18. a circular ring section; 19. a cone section; 20. an arc-shaped guide groove; 21. and (4) a pin.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-5, the invention provides a technical scheme, which is a stable concrete pipe pile with a ground grabbed at the top end, and comprises a pipe body 1, wherein supporting side plates 2 are arranged on the top end and the outer side of the bottom end of the pipe body 1 at equal intervals, a rubber piston 17 is embedded in the bottom end of the pipe body 1, supporting blocks 3 are symmetrically welded on two sides of the bottom end of each supporting side plate 2, a positioning block 4 is welded at the bottom of each supporting block 3 at the top of the pipe body 1, a fixing hole 5 is formed in the edge of the bottom end of each supporting side plate 2, a fixing rod 6 is embedded in each fixing hole 5, the inner diameter of each fixing hole 5 of each fixing rod 6, which is provided with a fixing knob 7, is equal to the outer diameter of each fixing rod 6, threads are machined on the surface of each fixing rod 6, and a round angle is machined at the bottom end of each fixing rod;
the connecting blocks 8 are welded on the top end and the bottom end of the pipe body 1 at equal intervals, the top ends of the connecting blocks 8 are provided with connecting holes 9, connecting rods 10 are arranged in the connecting holes 9, the bottom end of each connecting rod 10 is provided with a connecting knob 11, the inner diameter of each connecting hole 9 is larger than the outer diameter of each connecting rod 10, the inner diameter of each connecting knob 11 is equal to the outer diameter of each connecting rod 10, threads are machined on the surface of each connecting rod 10, the inner wall of one end of the pipe body 1 is fixedly connected with an air injection pipe 12, the inner wall of the pipe body 1 and the inner wall of the air injection pipe 12 are coated with sealing coating, the two ends of the outer side of the pipe body 1 are provided with water outlets 13, the bottom end of the pipe body 1 is bonded with a lower sealing rubber gasket 14, the top end of the pipe body 1 is bonded with an upper sealing rubber gasket 15, the outer diameter of the lower sealing rubber gasket 14 is equal to the outer diameter of the upper sealing rubber gasket 15, the lower sealing rubber gasket 14 and the upper sealing rubber gasket 15 are bonded with the pipe body 1 by waterproof glue, and the bottom end of a supporting block 3 of the pipe body 1 is provided with a positioning groove 16, in order to prevent the positioning block 4 and the positioning groove 16 from loosening during assembly, the size of the positioning groove 16 is larger than that of the positioning block 4, and anti-skid lines are processed on the surface of the positioning block 4.
As shown in fig. 6, a feeding head is detachably mounted below the lowermost tube 1; the feeding head comprises a circular ring section 18 and a conical head section 19 fixedly connected to the lower end of the circular ring section 18; the outer arc surface of the cone head section 19 and the outer circumferential surface of the circular ring section 18 are both provided with a thread structure; a plurality of through arc guide grooves 20 are arranged on the circumferential surface of the circular ring section 18; the arc guide grooves 20 are distributed in central symmetry with the central axis of the circular ring segment 18; the arc-shaped guide groove 20 is arc-shaped downwards from the upper part along the feeding direction of the thread structure; the pipe body 1 positioned at the lowest part is embedded into the circular ring section 18, and pins 21 are respectively arranged on the outer circumferential surface of the pipe body 1 corresponding to the arc-shaped guide grooves 20; the pin 21 is inserted into the arc-shaped guide groove 20 and is movable along the arc-shaped guide groove 21.
The working principle and the using process of the invention are as follows: when connecting the tubular pile, constructor will be sealed rubber pad 14 down with last sealed rubber pad 15 respectively with the waterproof glue bonding at 1 both ends of body, align and the gomphosis with 1 top locating piece 4 of body and bottom constant head tank 16, reach the purpose of location, meanwhile insert the relevant position of connecting rod 10 in connecting hole 9, connect knob 11 with both ends and screw and carry out preliminary fixed, insert the relevant position of fixed orifices 5 with dead lever 6, the fixed knob of screwing, meanwhile last sealed rubber pad 15 takes place deformation because of the extrusion force that produces with lower sealed rubber pad 14, make its inseparable laminating, form a sealed cavity in the tubular pile, play the fixed effect of secondary, make the connection between the tubular pile more firm.
When ponding appears in the tubular pile, constructor opens the rubber buffer of gas injection pipe 12 and 13 outsides of delivery port and at the external connection air pump of gas injection pipe 12, because be sealed cavity in the tubular pile, gas promotes rubber piston 17 and rises, liquid level also rises along with rubber piston 17 in the tubular pile, when reacing a take the altitude, liquid is discharged from delivery port 13 in the tubular pile, because piston 17 remains the take the altitude all the time, liquid can be discharged along with delivery port 13 always in the tubular pile, its process need not to open the concrete tubular pile, and discharge the ponding in the concrete tubular pile, thereby avoided ponding too much in the tubular pile to lead to the tubular pile to receive the erosion and cause a series of safety problems.
When being fixed in the ground with the tubular pile, constructor will support 2 vertical ground of arranging in of curb plate, because supporting shoe 3 with support the support of curb plate, not only with the vertical support of tubular pile subaerial, increased the area of contact of tubular pile with ground moreover, make the tubular pile more stable, pass through fixed slot 5 with dead lever 6 and fix subaerial for fixing more firm to the tubular pile, strengthened the ground effect of grabbing of tubular pile.
In the piling process, the method comprises the following steps:
firstly, a feeding head is sleeved and connected with the lower end of the tube body 1 at the lowest part, so that a pin 21 is inserted and matched with an arc-shaped guide groove 20;
secondly, the pipe body 1 is communicated with a feeding head and is inserted into the ground for a certain distance by an extrusion precession method;
thirdly, the pipe body 1 is reversed, so that the pin 21 moves to a high position along the arc-shaped guide groove 20, and the process can be selected to apply lifting force to the pipe body 1 at the same time;
fourthly, the pipe body 1 is rotated forwards quickly, the pins 21 slide to a low position along the mutually guiding grooves 20, and the pipe body 1 obtains the rotating speed and the descending speed in the process; when the pin 21 slides to the ground, the pin instantaneously strikes the lower end of the guide groove 20, and the momentum of the pipe body 1 is transferred to the feeding head; driving the feeding head to rotate and screw into the ground;
fifthly, repeating the third step and the fourth step;
sixthly, connecting a new pipe body 1;
seventhly, repeating the step III until the pipe pile reaches the preset depth;
pouring concrete into the pores between the pipe body 1 and the wall of the hole to the surface layer, and solidifying the concrete to form the pile.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (8)
1. The utility model provides a ground formula concrete pipe pile is grabbed to pointed end of stable form, includes body (1), its characterized in that: the pipe body (1) top and the bottom outside are installed with supporting side plates (2) at equal intervals, a rubber piston (17) is embedded in the bottom of the pipe body (1), supporting blocks (3) are symmetrically welded at the two sides of the bottom of the supporting side plates (2), positioning blocks (4) are welded at the bottom of the supporting side plates (1) top (3), fixing holes (5) are formed in one side of the top of the supporting side plates (2), fixing rods (6) are embedded in the fixing holes (5), fixing knobs (7) are installed at the tops of the fixing rods (6), connecting blocks (8) are welded at equal intervals at the top and the bottom outside of the pipe body (1), connecting holes (9) are formed in the connecting blocks (8), connecting rods (10) are installed in the connecting holes (9), connecting knobs (11) are installed at the bottoms of the connecting rods (10), and a gas injection pipe (12) is fixedly connected to the inner wall of the pipe body (1), the water outlet (13) is formed in each of two ends of the outer side of the pipe body (1), the lower sealing rubber pad (14) is bonded to the bottom end of the pipe body (1), the upper sealing rubber pad (15) is bonded to the top end of the pipe body (1), and the positioning groove (16) is formed in the bottom end of the bottom supporting block (3) of the pipe body (1).
2. The stable tip-grip concrete pipe pile according to claim 1, wherein: the positioning groove (16) and the positioning block (4) are equal in size, and anti-skid grains are processed on the surface of the positioning block (4).
3. The stable tip-grip concrete pipe pile according to claim 1, wherein: the inner diameter of the connecting hole (9) is equal to the outer diameter of the connecting rod (10), the inner diameter of the connecting knob (11) is equal to the outer diameter of the connecting rod (10), and threads are machined on the surface of the connecting rod (10).
4. The stable tip-grip concrete pipe pile according to claim 1, wherein: the inner diameter of the fixing hole (5) should be equal to the outer diameter of the fixing rod (6), the inner diameter of the fixing knob (7) should be equal to the outer diameter of the fixing rod (6), threads are machined on the surface of the fixing rod (6), and a round angle is machined at the bottom end of the fixing rod.
5. The stable tip-grip concrete pipe pile according to claim 1, wherein: the cross sections of the lower sealing rubber pad (14) and the upper sealing rubber pad (15) are both triangular and are bonded with the pipe body (1) by waterproof rubber.
6. The stable tip-grip concrete pipe pile according to claim 1, wherein: and the inner wall of the pipe body (1) and the inner wall of the gas injection pipe (12) are coated with sealing coating.
7. The stable tip-grip concrete pipe pile according to claim 1, wherein: and sealing rubber plugs are arranged at the outer openings of the gas injection pipe (12) and the water outlet (13).
8. A stable, tip-grip concrete pipe pile according to any one of claims 1 to 7, wherein: a feeding head is detachably arranged below the lowest pipe body (1); the feeding head comprises a circular ring section (18) and a conical head section (19) fixedly connected to the lower end of the circular ring section (18); the outer arc surface of the cone head section (19) and the outer circumferential surface of the circular ring section (18) are both provided with a thread structure; a plurality of through arc-shaped guide grooves (20) are arranged on the circumferential surface of the circular ring section (18); the arc guide grooves (20) are distributed in a centrosymmetric way by the central axis of the circular ring section (18); the arc-shaped guide groove (20) is arc-shaped downwards from the upper part along the feeding direction of the thread structure; the pipe body (1) positioned at the lowest part is embedded into the circular ring section (18), and pins (21) are respectively arranged on the outer circumferential surface of the pipe body (1) corresponding to the arc-shaped guide grooves (20); the pin (21) is embedded in the arc-shaped guide groove (20) and can move along the arc-shaped guide groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177925.XA CN113846626B (en) | 2021-10-09 | 2021-10-09 | Stable tip ground grabbing type concrete pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177925.XA CN113846626B (en) | 2021-10-09 | 2021-10-09 | Stable tip ground grabbing type concrete pipe pile |
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| Publication Number | Publication Date |
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| CN113846626A true CN113846626A (en) | 2021-12-28 |
| CN113846626B CN113846626B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111177925.XA Active CN113846626B (en) | 2021-10-09 | 2021-10-09 | Stable tip ground grabbing type concrete pipe pile |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958967A (en) * | 2006-11-22 | 2007-05-09 | 天津鸿海科技开发有限责任公司 | Quick dewatering method of positive and negative pressure for drainage piles in rigid body |
| JP2010121288A (en) * | 2008-11-17 | 2010-06-03 | Tama Engineering Kk | Pile rotating press-in method, and rotary press-in pile for use in the method |
| CN202023185U (en) * | 2011-03-23 | 2011-11-02 | 涂荫玖 | Concrete tubular pile |
| CN205636766U (en) * | 2016-05-04 | 2016-10-12 | 上海岩土工程勘察设计研究院有限公司 | Nested pumping device of pneumatic type |
| CN209523191U (en) * | 2019-01-28 | 2019-10-22 | 福州聚敏科技信息咨询有限公司 | A kind of auxiliary piling equipment for concrete pile body |
| CN213448436U (en) * | 2020-10-22 | 2021-06-15 | 浙江意力管业科技有限公司 | Novel prevention of seepage water concrete precast tubular pile |
| CN213653435U (en) * | 2020-07-29 | 2021-07-09 | 刘广南 | Prestressed concrete pipe pile with enlarged head |
-
2021
- 2021-10-09 CN CN202111177925.XA patent/CN113846626B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958967A (en) * | 2006-11-22 | 2007-05-09 | 天津鸿海科技开发有限责任公司 | Quick dewatering method of positive and negative pressure for drainage piles in rigid body |
| JP2010121288A (en) * | 2008-11-17 | 2010-06-03 | Tama Engineering Kk | Pile rotating press-in method, and rotary press-in pile for use in the method |
| CN202023185U (en) * | 2011-03-23 | 2011-11-02 | 涂荫玖 | Concrete tubular pile |
| CN205636766U (en) * | 2016-05-04 | 2016-10-12 | 上海岩土工程勘察设计研究院有限公司 | Nested pumping device of pneumatic type |
| CN209523191U (en) * | 2019-01-28 | 2019-10-22 | 福州聚敏科技信息咨询有限公司 | A kind of auxiliary piling equipment for concrete pile body |
| CN213653435U (en) * | 2020-07-29 | 2021-07-09 | 刘广南 | Prestressed concrete pipe pile with enlarged head |
| CN213448436U (en) * | 2020-10-22 | 2021-06-15 | 浙江意力管业科技有限公司 | Novel prevention of seepage water concrete precast tubular pile |
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| Publication number | Publication date |
|---|---|
| CN113846626B (en) | 2023-04-28 |
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