CN110130383B

CN110130383B - Precast pile cushion cap structure that grout is connected

Info

Publication number: CN110130383B
Application number: CN201910289505.7A
Authority: CN
Inventors: 程祖敬; 刘合东; 季贵林
Original assignee: Guangdong Hongshi Construction Technology Development Co ltd
Current assignee: Guangdong Hongshi Construction Technology Development Co ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2021-02-02
Anticipated expiration: 2039-04-11
Also published as: CN110130383A

Abstract

The invention relates to the technical field of constructional engineering equipment, and discloses a precast pile bearing platform structure connected through grouting, which comprises a Larsen steel sheet pile and a grouting pipe, wherein a base plate is movably arranged inside the Larsen steel sheet pile, an original pile is movably arranged inside the base plate, an insertion hole is formed inside the base plate, a pile seat is fixedly arranged at the top of the base plate, a jack is movably arranged at the top of the pile seat, a bearing platform plate is movably arranged at the top of the jack, a bearing platform frame is fixedly arranged at the top of the bearing platform plate, a locking ring is fixedly arranged at the top of the bearing platform frame, an upright post is fixedly arranged at the top of the base plate, a platform positioned at the top of the bearing platform frame is fixedly arranged at the outer side of the upright post, and a protective ring is fixedly. This precast pile cushion cap structure that grout is connected possesses advantages such as keeping pile cushion cap level, has solved at the construction process and the grout in-process, is difficult to guarantee the horizontally problem of pile cushion cap.

Description

Precast pile cushion cap structure that grout is connected

Technical Field

The invention relates to the technical field of constructional engineering equipment, in particular to a precast pile bearing platform structure connected through grouting.

Background

The pile cap is a structure which connects the pile tops into an integral foundation by using a reinforced concrete platform or a flat plate on a pile group foundation when a building adopts a pile foundation, so as to bear the load on the integral foundation, the pile cap foundation is a form of a foundation structure, a deep foundation which is called a pile foundation for short and consists of piles and the pile cap (called a cap for short) connecting the pile tops is characterized by high bearing capacity, small settlement and uniformity, and the pile foundation can be almost applied to various engineering geological conditions and various types of engineering, particularly to heavy buildings (structures) built on soft foundations, so that the pile foundation is widely applied in coastal and soft soil areas.

According to the building pile foundation bearing platform structure provided by the Chinese patent CN201420499644.5, the building pile foundation bearing platform structure is firm in structure resistance, strong in anti-overturning capacity and anti-pulling capacity and strong in practicability, but the level of the pile foundation bearing platform is difficult to ensure in the construction process and the grouting process, so that the prefabricated pile foundation bearing platform structure connected through grouting is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a grouting connection precast pile cap structure, which has the advantages of keeping the pile cap horizontal and the like, and solves the problem that the pile cap is difficult to ensure the horizontal in the building process and the grouting process.

(II) technical scheme

In order to achieve the aim of keeping the pile cap horizontal, the invention provides the following technical scheme: a precast pile bearing platform structure connected by grouting comprises a Larsen steel sheet pile and a grouting pipe, wherein a bottom plate is movably mounted inside the Larsen steel sheet pile, an original pile is movably mounted inside the bottom plate, jacks are formed inside the bottom plate, a pile seat is fixedly mounted at the top of the bottom plate, a jack is movably mounted at the top of the pile seat, a bearing platform plate is movably mounted at the top of the jack, a bearing platform frame is fixedly mounted at the top of the bearing platform plate, a locking ring is fixedly mounted at the top of the bearing platform frame, an upright post is fixedly mounted at the top of the bottom plate, a platform positioned at the top of the bearing platform frame is fixedly mounted at the outer side of the upright post, a protective ring is fixedly mounted inside the platform, a clamping hole positioned at the outer side of the protective ring is formed inside the platform, a nut is movably mounted inside the clamping hole, and a threaded rod, the top fixed mounting of threaded rod has rotatory handle, the outside fixed mounting of threaded rod has the bearing that is located the nut bottom, the outside fixed mounting of bearing has the tray, the installation cavity has been seted up to the inside of tray, the outside fixed mounting of bearing has the spacing ring that is located the installation cavity inside, the bottom fixed mounting of threaded rod has the anticreep ring that is located the spacing ring bottom, the bottom fixed mounting of tray has rings, the inside movable mounting of rings has one end and catch swing joint's chain, the top fixed mounting of bearing frame has the former post that one end extends to the guard ring top, the through-hole has been seted up in the outside of grout pipe.

Preferably, the diameter of the guard ring is larger than that of the original column, and the original column penetrates through the guard ring.

Preferably, the number of jacks is not less than two, the number of grouting pipes is matched with the number of jacks, and the through holes are distributed on the outer side of the grouting pipes at equal intervals.

Preferably, the number of the jacks is not less than three, and the jacks are distributed annularly at equal intervals.

Preferably, the number of the lock rings is four, and the four lock rings are distributed in a rectangular array.

Preferably, the number of the nuts and the clamping holes is the same as that of the locking rings, the clamping holes are in a regular hexagon design, and the nuts are matched with the clamping holes.

Preferably, the top of tray has seted up the dead eye, and the bearing is located the inside of dead eye, and the diameter of spacing ring is greater than the diameter of dead eye.

Preferably, the lifting rings and the locking ring are vertically and symmetrically distributed, and the top and the bottom of the threaded rod extend to the outer side of the nut.

Preferably, the top of the original pile extends to the top of the pile base, and the top of the original pile is in contact with the bearing plate.

(III) advantageous effects

Compared with the prior art, the invention provides a precast pile bearing platform structure connected by grouting, which has the following beneficial effects:

1. the prefabricated pile bearing platform structure connected by grouting is characterized in that the Larsen steel sheet pile is arranged in the pile hole, so that the bottom plate is completely contacted with the bottom wall of the pile hole, the grouting pipe is directly driven into the soil through the jack until the bottom end of the grouting pipe is positioned at the bottom of the original pile, the bottom of the upright post is connected with the bottom plate, so that the upright post is vertical to the bottom plate, the bearing plate and the bearing platform frame are supported by the jack, the rotating handle is rotated to drive the rotating rod to rotate, the rotating rod rotates to move up and down, the threaded rod moves up and down to drive the tray to move up and down, the tray moves up and down to drive the chain to move up and down, the chain moves up and down to lift the bearing platform frame, the pressure born by the jack is reduced, the horizontal angle of the bearing platform frame is accurately limited, the level bar can be placed at the top of the bearing platform, the bearing platform is adjusted to be horizontal by utilizing the four rotating handles, and the jack is supported by the adjusting jack, so that the aim of keeping the pile bearing platform horizontal is fulfilled.

2. This precast pile cushion cap structure that grout is connected, concrete is poured into to the inside of grout pipe, it fills to former stake inside through the through-hole to mix earth, fill in the inside of former stake completely up to mixing earth, guarantee that the muddy earth of pile body bottom is filled, the resistance to compression degree of reinforcing pile body, the jack, the equidistance of catch and threaded rod distributes, can effectually keep the balance of cushion cap frame and cushion cap board, the threaded rod can rotate in the inside of bearing, rotate when the threaded rod adjusts the level, can not drive the tray and rotate, avoid the chain winding, thereby the normal work of the precast pile cushion cap that grout is connected has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of a grouting-connected precast pile cap according to the present invention;

FIG. 2 is a schematic structural view of a grouting pipe of a grouting-connected precast pile cap structure according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of a precast pile cap connected by grouting according to the present invention.

In the figure: 1 Larsen steel sheet pile, 2 guard rings, 3 upright posts, 4 original posts, 5 platforms, 6 locking rings, 7 bearing frames, 8 bearing plates, 9 jacks, 10 pile seats, 11 jacks, 12 bottom plates, 13 grouting pipes, 14 original piles, 15 through holes, 16 nuts, 17 rotating handles, 18 threaded rods, 19 bearings, 20 limiting rings, 21 anti-slip rings, 22 locking chains, 23 lifting rings, 24 installation cavities, 25 pallets and 26 clamping holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a precast pile bearing platform structure connected by grouting comprises a larsen steel sheet pile 1 and grouting pipes 13, wherein the number of the jacks 11 is not less than two, the number of the grouting pipes 13 is matched with the number of the jacks 11, through holes 15 are distributed on the outer side of the grouting pipes 13 at equal intervals, a base plate 12 is movably arranged in the larsen steel sheet pile 1, an original pile 14 is movably arranged in the base plate 12, the jacks 11 are arranged in the base plate 12, a pile base 10 is fixedly arranged at the top of the base plate 12, jacks 9 are movably arranged at the top of the pile base 10, the number of the jacks 9 is not less than three, the jacks 9 are annularly distributed at equal intervals, a bearing platform plate 8 is movably arranged at the top of the jacks 9, the top of the original pile 14 extends to the top of the pile base 10, the top of the original pile 14 is in contact with the bearing platform plate 8, a bearing platform frame 7 is fixedly arranged at the top of the, the top of the bearing rack 7 is fixedly provided with four locking rings 6, the four locking rings 6 are distributed in a rectangular array, the top of the bottom plate 12 is fixedly provided with a stand column 3, the outer side of the stand column 3 is fixedly provided with a platform 5 positioned at the top of the bearing rack 7, the inside of the platform 5 is fixedly provided with a protective ring 2, the diameter of the protective ring 2 is larger than that of the original column 4, the original column 4 penetrates through the protective ring 2, the inside of the platform 5 is provided with a clamping hole 26 positioned at the outer side of the protective ring 2, the number of the nuts 16 and the clamping holes 26 is the same as that of the locking rings 6, the clamping holes 26 are in a regular hexagon design, the nuts 16 are matched with the clamping holes 26, the nuts 16 are movably arranged inside the clamping holes 26, the internal threads of the nuts 16 are connected with threaded rods 18, the top of the threaded rods 18 is fixedly provided with rotating handles 17, the outer side, a tray 25 is fixedly installed on the outer side of the bearing 19, a bearing hole is formed in the top of the tray 25, the bearing 19 is located inside the bearing hole, the diameter of the limit ring 20 is larger than that of the bearing hole, an installation cavity 24 is formed in the tray 25, a limit ring 20 located inside the installation cavity 24 is fixedly installed on the outer side of the bearing 19, an anti-falling ring 21 located at the bottom of the limit ring 20 is fixedly installed at the bottom of the threaded rod 18, a hanging ring 23 is fixedly installed at the bottom of the tray 25, the hanging ring 23 and the locking ring 6 are vertically and symmetrically distributed, the top and the bottom of the threaded rod 18 both extend to the outer side of the nut 16, a lock chain 22 with one end movably connected with the locking ring 6 is movably installed inside the hanging ring 23, a raw column 4 with one end extending to the top of the protection ring 2 is fixedly installed at the top of the bearing platform frame 7, a through hole 15 is formed in the outer side of, the bottom plate 12 is completely contacted with the bottom wall of the pile hole, the grouting pipe 13 is directly driven into the soil through the jack 11 until the bottom end of the grouting pipe 13 is positioned at the bottom of the original pile 14, the bottom of the upright post 3 is connected with the bottom plate 12, the upright post 3 is vertical to the bottom plate 12, the bearing platform plate 8 and the bearing platform frame 7 are supported by the jack 9, the rotating handle 17 is rotated to drive the rotating handle 17 to drive the threaded rod 18 to rotate, the threaded rod 18 rotates to move up and down, the threaded rod 18 moves up and down to drive the tray 25 to move up and down, the tray 25 moves up and down to drive the lock chain 22 to move up and down to lift the bearing platform frame 7, the pressure born by the jack 9 is reduced, the horizontal angle of the bearing platform frame 7 is accurately limited, a horizontal ruler can be placed at the top of the bearing platform frame 7, the bearing platform frame 7 is adjusted to be horizontal by the four rotating handles 17, the jack 9 is adjusted to support the bearing platform, mix earth to the inside instillation of grout pipe 13, mix earth and fill former 14 insides through-hole 15, fill in former 14 inside until mixing earth completely, guarantee that the muddy earth of pile body bottom is filled, strengthen the resistance to compression degree of pile body, jack 9, the equidistance of catch 6 and threaded rod 18 distributes, can effectually keep bearing platform frame 7 and bearing platform board 8 balanced, threaded rod 18 can rotate at bearing 19's inside, rotate when threaded rod 18 adjusts the level, can not drive tray 25 and rotate, avoid the winding of chain 22, thereby the normal work of the prefabricated pile bearing platform that grout is connected has been guaranteed.

In conclusion, in the precast pile cap structure connected by grouting, the Larsen steel sheet pile 1 is installed in the pile hole, the bottom plate 12 is completely contacted with the bottom wall of the pile hole, the grouting pipe 13 is directly driven into the soil through the jack 11 until the bottom end of the grouting pipe 13 is positioned at the bottom of the original pile 14, the bottom of the upright post 3 is connected with the bottom plate 12, the upright post 3 is perpendicular to the bottom plate 12, the bearing plate 8 and the bearing frame 7 are supported by the jack 9, the rotating handle 17 is rotated to drive the rotating handle 17 to drive the threaded rod 18 to rotate, the threaded rod 18 rotates to move up and down, the threaded rod 18 moves up and down to drive the tray 25 to move up and down, the tray 25 moves up and down to drive the lock chain 22 to move up and down to hoist the bearing frame 7, the pressure born by the jack 9 is reduced, the horizontal angle of the bearing frame 7 is accurately limited, and a horizontal ruler can be placed at the top, utilize four rotatory handles 17 to transfer the bearing platform 7 to the level, adjust jack 9 and support it, thereby played the purpose of keeping pile bearing platform level, pour into muddy earth to the inside of grout pipe 13, muddy earth fills former pile 14 inside through-hole 15, until mixing the inside that earth fills in former pile 14 completely, guarantee that the muddy earth of pile body bottom is filled really, strengthen the compression resistance degree of pile body, jack 9, the equidistance distribution of lock ring 6 and threaded rod 18, can effectually keep bearing platform 7 and bearing platform 8 balanced threaded rod 18, can rotate at the inside of bearing 19, rotate at the time of threaded rod 18 regulation level, can not drive tray 25 and rotate, avoid the winding of chain 22, thereby the normal work of the prefabricated pile bearing platform of grout connection has been guaranteed, the problem of establishing process and grout in-process, it is difficult to guarantee pile bearing platform level is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precast pile cushion cap structure that grout is connected, includes Larsen steel sheet pile (1) and grout pipe (13), its characterized in that: a bottom plate (12) is movably mounted inside the Larsen steel plate pile (1), an original pile (14) is movably mounted inside the bottom plate (12), a jack (11) is formed inside the bottom plate (12), a pile base (10) is fixedly mounted at the top of the bottom plate (12), a jack (9) is movably mounted at the top of the pile base (10), a bearing platform plate (8) is movably mounted at the top of the jack (9), a bearing platform frame (7) is fixedly mounted at the top of the bearing platform plate (8), a locking ring (6) is fixedly mounted at the top of the bearing platform frame (7), an upright post (3) is fixedly mounted at the top of the bottom plate (12), a platform (5) located at the top of the bearing platform frame (7) is fixedly mounted at the outer side of the upright post (3), a protection ring (2) is fixedly mounted inside the platform (5), and a clamping hole (26) located at the outer side of the protection ring (2) is formed inside the platform (5), a nut (16) is movably mounted inside the clamping hole (26), a threaded rod (18) is connected to the inner thread of the nut (16), a rotating handle (17) is fixedly mounted at the top of the threaded rod (18), a bearing (19) located at the bottom of the nut (16) is fixedly mounted on the outer side of the threaded rod (18), a tray (25) is fixedly mounted on the outer side of the bearing (19), an installation cavity (24) is formed in the tray (25), a limiting ring (20) located in the installation cavity (24) is fixedly mounted on the outer side of the bearing (19), an anti-falling ring (21) located at the bottom of the limiting ring (20) is fixedly mounted at the bottom of the tray (25), a hanging ring (23) is fixedly mounted at the bottom of the tray (25), and a lock chain (22) with one end movably connected with the locking ring (6) is movably mounted inside the hanging ring (23), the top of the bearing rack (7) is fixedly provided with an original column (4) with one end extending to the top of the protective ring (2), and the outer side of the grouting pipe (13) is provided with a through hole (15).

2. A grout-joined precast pile cap structure according to claim 1, wherein: the diameter of the protective ring (2) is larger than that of the original column (4), and the original column (4) penetrates through the protective ring (2).

3. A grout-joined precast pile cap structure according to claim 1, wherein: the number of the jacks (11) is not less than two, the number of the grouting pipes (13) is matched with the number of the jacks (11), and the through holes (15) are equidistantly distributed on the outer side of the grouting pipes (13).

4. A grout-joined precast pile cap structure according to claim 1, wherein: the number of the jacks (9) is not less than three, and the jacks (9) are distributed annularly at equal intervals.

5. A grout-joined precast pile cap structure according to claim 1, wherein: the number of the locking rings (6) is four, and the four locking rings (6) are distributed in a rectangular array.

6. A grout-joined precast pile cap structure according to claim 1, wherein: the number of the nuts (16) and the clamping holes (26) is the same as that of the locking rings (6), the clamping holes (26) are in a regular hexagon design, and the nuts (16) are matched with the clamping holes (26).

7. A grout-joined precast pile cap structure according to claim 1, wherein: the bearing hole is formed in the top of the tray (25), the bearing (19) is located inside the bearing hole, and the diameter of the limiting ring (20) is larger than that of the bearing hole.

8. A grout-joined precast pile cap structure according to claim 1, wherein: the hanging rings (23) and the locking ring (6) are distributed up and down symmetrically, and the top and the bottom of the threaded rod (18) extend to the outer side of the nut (16).

9. A grout-joined precast pile cap structure according to claim 1, wherein: the top of the original pile (14) extends to the top of the pile base (10), and the top of the original pile (14) is in contact with the bearing plate (8).