阅读说明：本技术 一种静钻根植能量桩及其施工方法 (Static drilling root planting energy pile and construction method thereof ) 是由 熊志冰 周翔 董殿志 于 2021-09-01 设计创作，主要内容包括：本申请涉及一种静钻根植能量桩及其施工方法,包括桩体,桩体的下端设置有定位块,定位块远离桩体的一端设置有锥形定位柱,锥形定位柱外壁处设置有插接板,锥形定位柱靠近定位块的一端的投影面积大于该锥形定位柱远离定位块一端的投影面积；锥形定位柱的外壁处设置有若干插接板,插接板沿锥形定位柱的外壁一周设置有若干。本申请具有提升桩体安装于基坑中时的稳定性的效果。(The application relates to a static drilling root planting energy pile and a construction method thereof, and the static drilling root planting energy pile comprises a pile body, wherein the lower end of the pile body is provided with a positioning block, one end of the positioning block, which is far away from the pile body, is provided with a conical positioning column, the outer wall of the conical positioning column is provided with an inserting plate, and the projection area of one end, which is close to the positioning block, of the conical positioning column is larger than that of one end, which is far away from the positioning block, of the conical positioning column; the outer wall department of toper reference column is provided with a plurality of plugboards, and the plugboard is provided with a plurality ofly along the outer wall of toper reference column a week. This application has the effect of the stability when promoting the pile body and installing in the foundation ditch.)

1. The utility model provides a quiet root of boring is planted energy stake, includes pile body (1), its characterized in that: a positioning block (11) is arranged at the lower end of the pile body (1), a conical positioning column (111) is arranged at one end, far away from the pile body (1), of the positioning block (11), an inserting plate (112) is arranged at the outer wall of the conical positioning column (111), and the projection area of one end, close to the positioning block (11), of the conical positioning column (111) is larger than that of one end, far away from the positioning block (11), of the conical positioning column (111); the outer wall of the conical positioning column (111) is provided with a plurality of insertion plates (112), and the insertion plates (112) are arranged along the periphery of the outer wall of the conical positioning column (111).

2. The static-drill rooted energy pile of claim 1, wherein: the lower end of the positioning block (11) is provided with a plurality of positioning needles (113).

3. The static-drill rooted energy pile of claim 1, wherein: the outer wall of the pile body (1) is provided with a protection piece (2), the protection piece (2) comprises a plurality of protection cages (21), the protection cages (21) are arranged along the height direction of the pile body (1), a first connecting plate (22) is arranged at one end of the protective cage (21) in the length direction, the other end of the protective cage (21) in the length direction is provided with a second connecting plate (23), one end of the first connecting plate (22) far away from the second connecting plate (23) is provided with an inserting block (221), one end of the second connecting plate (23) far away from the first connecting plate (22) is provided with an inserting groove (231) for inserting the inserting block (221), the insertion block (221) of the first connecting plate (22) can be inserted into the insertion groove (231) of the second connecting plate (23) of the adjacent protection cage (21), and the insertion groove (231) and the insertion block (221) are matched with each other.

4. The static-drill rooted energy pile of claim 3, wherein: the outer wall of the insertion block (221) is provided with a magnetic part (2211), and the inner wall of the insertion groove (231) is provided with an adsorption part (232) which is mutually attracted with the magnetic part (2211) of the insertion block (221) of the adjacent protection cage (21).

5. The static-drill rooted energy pile of claim 3, wherein: the surface of first connecting plate (22) is provided with a plurality of first connecting holes (211) along its thickness direction, the surface of second connecting plate (23) is provided with a plurality of second connecting holes (233) along its thickness direction, every first connecting hole (211) all correspond with second connecting plate (23) of adjacent protection cage (21) and have a second connecting hole (233), each run through in first connecting hole (211) and be provided with fixing bolt (24), fixing bolt (24) in first connecting hole (211) are worn to locate second connecting hole (233) that correspond with first connecting hole (211), fixing bolt (24) and first connecting plate (22) screw thread adaptation, fixing bolt (24) and second connecting plate (23) screw thread adaptation of adjacent protection cage (21).

6. The static-drill rooted energy pile of claim 3, wherein: connecting pieces (3) are arranged between the pile body (1) and the protection cages (21), and each protection cage (21) is correspondingly provided with one connecting piece (3); the connecting piece (3) comprises a positioning piece (31) and a steel wire connecting rope (32), the positioning piece (31) comprises a positioning rod (311) and a connecting rod (312), the positioning rod (311) is arranged at the outer wall of the pile body (1), the positioning rod (311) is arranged around the outer wall of the pile body (1), the connecting rod (312) is positioned at one end, far away from the pile body (1), of the positioning rod (311), and the connecting rod (312) is arranged around the outer wall of the pile body (1); one end of the steel wire connecting rope (32) is connected with the side wall of the protection cage (21) in a buckling manner, and the other end of the steel wire connecting rope (32) is connected with the side wall of the connecting rod (312) in a buckling manner.

7. The static-drill rooted energy pile of claim 6, wherein: one end of the steel wire connecting rope (32) close to the pile body (1) is provided with a fixing buckle (321) for fixing the steel wire connecting rope (32).

8. The static-drill rooted energy pile of claim 3, wherein: the upper surface of the positioning block (11) is provided with a yielding groove (12) for inserting a second connecting plate (23) of a protection cage (21) close to the positioning block (11), and the inner wall of the yielding groove (12) is matched with the side wall of the second connecting plate (23); the upper surface department of locating piece (11) is provided with and is used for carrying out fixed locking piece (4) to protection cage (21) that are close to locating piece (11), locking piece (4) are including a set of locating plate (41) and a connecting bolt (42), locating plate (41) are located the both sides of groove (12) of stepping down, and are a set of locating plate (41) set up relatively, every locating hole (411) have all been seted up along its thickness direction to the surface of locating plate (41), connecting bolt (42) wear to locate in locating hole (411) of two locating plates (41) jointly, connecting bolt (42) and locating plate (41) screw thread adaptation.

9. The static-drill rooted energy pile of claim 8, wherein: and locking nuts (421) are arranged at two ends of the connecting bolt (42), and the locking nuts (421) are abutted to the side walls of the positioning plate (41).

10. The construction method of a static drill rooted energy pile according to any one of claims 1 to 9, comprising the steps of:

s1, drilling a foundation, and preliminarily forming a foundation pit for installing the energy pile;

s2, expanding the head of the foundation pit, increasing the diameter of the bottom wall of the foundation pit, injecting cement slurry into the lower end of the foundation pile, and testing the pile;

s3, implanting the pile body (1) into the foundation pit, filling cement into the foundation pit, and finally checking and accepting the pile engineering.

Technical Field

The application relates to the field of energy columns, in particular to a static drilling rooted energy pile and a construction method thereof.

Background

The energy pile is a prefabricated part for heating and cooling of a large building and is a basic part of the building. The energy stake is an internal piping system for circulating a heat exchange agent, similar to a geothermal probe. For buildings in which foundation elements have to be built, the underground heat exchange system does not require additional drilling, so that the use of energy piles is particularly economical.

At present, when the energy pile is installed, a foundation pile is usually arranged on the ground in advance, then the energy pile is hoisted into a foundation pit, and cement is refilled, but the stability of the energy pile during installation is usually not high, the phenomenon that the energy pile is inclined can occur, and therefore the improvement is needed.

Disclosure of Invention

In order to improve the stability of the energy pile in a foundation pit, the application provides a static drilling and rooting energy pile and a construction method thereof.

The application provides a quiet root energy stake of planting that bores adopts following technical scheme:

a static drilling root planting energy pile comprises a pile body, wherein a positioning block is arranged at the lower end of the pile body, a conical positioning column is arranged at one end, away from the pile body, of the positioning block, an inserting plate is arranged at the outer wall of the conical positioning column, and the projection area of one end, close to the positioning block, of the conical positioning column is larger than that of one end, away from the positioning block, of the conical positioning column; the outer wall of the conical positioning column is provided with a plurality of insertion plates, and the insertion plates are arranged along the periphery of the outer wall of the conical positioning column.

By adopting the technical scheme, the positioning block is arranged at the lower end of the pile body, the conical positioning column is arranged at the lower end of the positioning block, and when the pile body is installed, one end, far away from the pile body, of the conical positioning column is downwards inserted into the bottom of the foundation pit, so that the swinging phenomenon of the pile body can be reduced, and the stability of the pile body is improved; under the common use of the insertion plates, the phenomenon that the pile body does circular motion along the pile body can be further reduced, and therefore the stability of the pile body can be further improved.

Optionally, the lower end of the positioning block is provided with a plurality of positioning pins.

Through adopting above-mentioned technical scheme, the setting of pilot pin, when the pile body is installed, the pilot pin is inserted with the bottom of foundation pile and is established fixedly to can further promote the inseparable nature of being connected of locating piece and foundation pile department, and then promote the stability of pile body.

Optionally, a protection piece is arranged at the outer wall of the pile body and comprises a plurality of protection cages, the protection cages are arranged along the height direction of the pile body, a first connecting plate is arranged at one end of each protection cage in the length direction, a second connecting plate is arranged at the other end of each protection cage in the length direction, an inserting block is arranged at one end, away from the second connecting plate, of each first connecting plate, an inserting groove for the inserting block to insert is formed in one end, away from the first connecting plate, of each second connecting plate, the inserting block of each first connecting plate can be inserted into the inserting groove of the corresponding adjacent protection cage second connecting plate, and the inserting grooves and the inserting blocks are matched with each other.

By adopting the technical scheme, the protection cage can protect the periphery of the pile body; install the protection cage according to the length of pile body, the grafting piece of the first connecting plate of protection cage is inserted and is located the inserting groove of adjacent protection cage second connecting plate to can splice adjacent protection cage, thereby the foundation ditch environment when reducible installation initial stage is to the influence of foundation pile, thereby promoted the pile body stability when installing the initial stage, and then protected the safety of pile body.

Optionally, a magnetic part is arranged on the outer wall of the insertion block, and an adsorption part mutually attracted with the magnetic part of the insertion block of the adjacent protection cage is arranged on the inner wall of the insertion groove.

Through adopting above-mentioned technical scheme, the back in the inserting groove of locating adjacent protection cage is inserted to the grafting piece, through the magnetic force inter attraction laminating between the magnetic part of grafting piece and the adsorption component of inserting groove, reduces between the inserting groove of grafting piece and adjacent protection cage and rocks to can promote the connection stability between two adjacent protection cages.

Optionally, the surface of first connecting plate is provided with a plurality of first connecting holes along its thickness direction, the surface of second connecting plate is provided with a plurality of second connecting holes along its thickness direction, every first connecting hole all corresponds with the second connecting plate of adjacent protection cage and has a second connecting hole, each run through in the first connecting hole and be provided with fixing bolt, fixing bolt in the first connecting hole wears to locate the second connecting hole that corresponds with first connecting hole, fixing bolt and first connecting plate screw thread adaptation, fixing bolt and the second connecting plate screw thread adaptation of adjacent protection cage.

By adopting the technical scheme, after two adjacent connecting cages are connected, the fixing bolt sequentially penetrates through the first connecting hole at the first connecting plate of one protecting cage and the second connecting hole at the second connecting plate of the adjacent protecting cage, and the specified bolt is screwed, so that two adjacent protecting cages can be stably connected, and the operation is simple and convenient.

Optionally, a connecting piece is arranged between the pile body and the protection cages, and each protection cage corresponds to one connecting piece; the connecting piece comprises a positioning piece and a steel wire connecting rope, the positioning piece comprises a positioning rod and a connecting rod, the positioning rod is arranged on the outer wall of the pile body, the positioning rod is arranged around the outer wall of the pile body, the connecting rod is positioned at one end, far away from the pile body, of the positioning rod, and the connecting rod is arranged around the outer wall of the pile body; one end of the steel wire connecting rope is connected with the side wall of the protection cage in a fastening mode, and the other end of the steel wire connecting rope is connected with the side wall of the connecting rod in a fastening mode.

By adopting the technical scheme, the connecting piece is connected after the protection cage is installed; after one end of the steel wire connecting rope is fastened on the outer wall of the protective cage, the steel wire connecting rope is tensioned, and the other end of the steel wire connecting rope is fastened on the outer wall of the connecting rod; the setting of connecting piece, on the one hand, can be so that have a connection effort between protection cage and the pile body, further promote the stability of pile body, on the other hand, when follow-up carrying out cement to the foundation pile and filling, wire rope can promote the compactness of being connected between pile body and the protection cage to stability after follow-up cement is filled has been promoted.

Optionally, one end of the steel wire connecting rope close to the pile body is provided with a fixing buckle for fixing the steel wire connecting rope.

Through adopting above-mentioned technical scheme, detain the steel wire connection rope system behind the connecting rod, use the fixed knot to connect the rope to fix a position the steel wire to promote the stability of steel wire connection rope, reduced the subsequent not hard up phenomenon of steel wire connection rope.

Optionally, an abdicating groove for inserting a second connecting plate of the protection cage close to the positioning block is formed in the upper surface of the positioning block, and the inner wall of the abdicating groove is matched with the side wall of the second connecting plate; the upper surface department of locating piece is provided with and is used for carrying out the locking piece fixed to the protection cage that is close to the locating piece, the locking piece includes a set of locating plate and a connecting bolt, the locating plate is located the both sides in the groove of stepping down, and is a set of the locating plate sets up relatively, every the surface of locating plate all runs through along its thickness direction has seted up the locating hole, connecting bolt wears to locate in the locating hole of two locating plates jointly, connecting bolt and locating plate screw thread adaptation.

Through adopting above-mentioned technical scheme, fix the protection cage that is located locating piece upper surface department through the lock piece to can further promote the stability of being connected of protection cage and locating piece department, when effectively having reduced hoist and mount protection cage, the danger of protection cage slippage.

Optionally, both ends of the connecting bolt are provided with locking nuts, and the locking nuts abut against the side wall of the positioning plate.

Through adopting above-mentioned technical scheme, further fix connecting bolt through lock nut to can further promote connecting bolt's stability.

Optionally, the construction method of the static drilling rooted energy pile includes the following steps:

s1, drilling a foundation, and preliminarily forming a foundation pit for installing the energy pile;

s2, expanding the head of the foundation pit, increasing the diameter of the bottom wall of the foundation pit, injecting cement slurry into the lower end of the foundation pile, and testing the pile;

s3, implanting the pile body into the foundation pit, filling cement in the foundation pit, and finally checking and accepting the pile engineering.

Through adopting above-mentioned technical scheme, after the pile, hoist the pile body to the foundation ditch in, the toper reference column of pile body lower extreme inserts the diapire department of locating the foundation ditch, and the plugboard inserts with the toper reference column simultaneously and establishes to can install the pile body, after the installation, use cement to fill the foundation ditch, treat cement solidification back, can accomplish the installation to the pile body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lower end of the pile body is provided with the conical positioning column, the side wall of the conical positioning column is provided with the insertion plate, and when the pile body is installed, the conical positioning column and the insertion plate are inserted into the bottom wall of the foundation pit, so that the stability of the pile body during installation can be effectively improved, and the shaking phenomenon of the pile body is reduced;

2. the protection piece is arranged on the outer wall of the pile body and is a plurality of protection cages, and when the protection cages can reduce foundation piles to be installed in the foundation pit, the environment of the foundation pit can damage the pile body.

Drawings

Fig. 1 is an overall schematic view of a static-drill rooted energy pile according to an embodiment of the present application.

Fig. 2 is a schematic view mainly showing a connection relationship between a positioning block and a pile body in the embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an exploded schematic view illustrating a connection relationship between two adjacent protection cages according to an embodiment of the present application.

Fig. 5 is a schematic sectional view of the portion C-C in fig. 4.

Fig. 6 is an enlarged schematic view of a portion E in fig. 5.

Fig. 7 is an enlarged schematic view of a portion B in fig. 4.

Fig. 8 is an enlarged schematic view of a portion D in fig. 4.

Description of reference numerals:

1. a pile body; 11. positioning blocks; 111. a conical positioning column; 112. a plugboard; 113. a positioning pin; 12. a yielding groove; 2. a protective member; 21. a protective cage; 22. a first connecting plate; 221. an insertion block; 2211. a magnetic member; 222. a first connection hole; 23. a second connecting plate; 231. inserting grooves; 232. an adsorbing member; 233. a second connection hole; 24. fixing the bolt; 3. a connecting member; 31. a positioning member; 311. positioning a rod; 312. a connecting rod; 32. the steel wire is connected with the rope; 321. a fixing buckle; 4. a locking member; 41. positioning a plate; 411. positioning holes; 42. a connecting bolt; 421. and locking the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a static drilling root planting energy pile. Referring to fig. 1, a static drilling and rooting energy pile comprises a pile body 1.

Referring to fig. 1 and 2, a positioning block 11 is arranged at the lower end of the pile body 1, the positioning block 11 is welded and fixed with the pile body 1, a conical positioning column 111 and an insertion plate 112 are arranged at one end of the positioning block 11 far away from the pile body 1, the conical positioning column 111 is welded and fixed with the positioning block 11, and the projection area of the conical positioning column 111 close to the positioning block 11 is larger than the projection area of the conical positioning column 111 far away from one end of the positioning block 11; the inserting plate 112 is located at the outer wall of the conical positioning column 111, and the inserting plate 112 and the conical positioning column 111 are welded and fixed, in the embodiment of the application, 4 inserting plates 112 are arranged at intervals along the periphery of the outer wall of the conical positioning column 111; when the pile body 1 is installed, the conical positioning column 111 and the insertion plate 112 are inserted into the bottom wall of the foundation pile together, so that the stability of the pile body 1 during pile insertion can be effectively improved.

Referring to fig. 1 and 2, a plurality of positioning pins 113 are welded and fixed to the lower end of the positioning block 11, in the embodiment of the present application, 4 positioning pins 113 are provided, and each positioning pin 113 is located between every two adjacent insertion plates 112.

Referring to fig. 1 and 2, a protection member 2 is disposed at an outer wall of a pile body 1, the protection member 2 includes a plurality of protection cages 21, and in the embodiment of the present application, the protection cages 21 are steel reinforcement cages; the plurality of protective cages 21 are sequentially arranged along the height direction of the pile body 1; the protection cage 21 can protect the pile body 1 to a certain extent, so that the damage of the pile body 1 caused by the environment in the foundation pile is reduced.

Referring to fig. 2 and 3, a first connecting plate 22 is fixedly welded to the upper end of each protection cage 21, a second connecting plate 23 is fixedly welded to the lower end of each protection cage 21, an abdicating groove 12 is formed in the upper surface of the positioning block 11, and the inner wall of the abdicating groove 12 is matched with the side wall of the second connecting plate 23 of the protection cage 21 close to the positioning block 11; the second connecting plate 23 of the protective cage 21 can be inserted into the abdicating groove 12, so that the stability between the protective cage 21 and the positioning block 11 is improved; the upper surface of the positioning block 11 is provided with 4 locking pieces 4 for positioning the protection cage 21, in the embodiment of the application, 4 locking pieces 4 are provided; the locking piece 4 comprises a group of positioning plates 41 and a connecting bolt 42, the positioning plates 41 are arranged on two sides of the abdicating groove 12, the two positioning plates 41 are oppositely arranged, and the positioning plates 41 are welded and fixed on the upper surface of the positioning block 11; the surface of each positioning plate 41 is provided with a positioning hole 411 along the thickness direction thereof, the connecting bolt 42 is commonly inserted into the positioning holes 411 in a group of positioning plates 41, and the connecting bolt 42 is in threaded fit with the positioning plates 41, so that the protection cage 21 can be positioned.

Referring to fig. 3, the two ends of the connecting bolt 42 are provided with the locking nuts 421, the locking nuts 421 are in threaded fit with the connecting bolt 42, and the locking nuts 421 are abutted against the side wall of the positioning plate 41, so that the connection stability between the connecting bolt 42 and the positioning plate 41 can be improved.

Referring to fig. 4 to 6, a plurality of inserting blocks 221 are fixedly welded to one end of the first connecting plate 22 away from the second connecting plate 23, an inserting groove 231 is formed in one end of the second connecting plate 23 away from the first connecting plate 22, the inserting groove 231 can be used for inserting the inserting blocks 221 of the first connecting plate 22 of the adjacent protection cage 21, and the inner wall of the inserting groove 231 is matched with the outer wall of the inserting block 221; when two adjacent protection cages 21 are connected, the connection between the adjacent protection cages 21 can be completed by the arrangement of the insertion block 221 and the insertion groove 231.

Referring to fig. 6 and 7, a magnetic member 2211 is embedded in an outer wall of the insertion block 221, and an adsorbing member 232 magnetically attracted to the magnetic member 2211 is embedded in an inner wall of the insertion groove 231, in the embodiment of the present application, the magnetic member 2211 is a magnet, and the adsorbing member 232 is an iron sheet; the magnetic part 2211 and the adsorption part 232 are attracted and attached to each other through magnetic acting force, so that the connection stability between two adjacent protection cages 21 can be effectively improved.

Referring to fig. 6 and 7, a plurality of first connection holes 222 are formed in the surface of the first connection plate 22 along the thickness direction thereof, a plurality of second connection holes 233 are formed in the surface of the second connection plate 23 along the thickness direction thereof, and after two adjacent protection cages 21 are connected, the first connection hole 222 of one protection cage 21 at the first connection plate 22 and the second connection hole 233 of the adjacent protection cage 21 at the second connection plate 23 are aligned with each other; the first connecting plate 22 is provided with a fixing bolt 24 in the first connecting hole 222, the fixing bolt 24 is inserted into the second connecting hole 233 of the second connecting plate 23 of the adjacent protection cage 21, the fixing bolt 24 is in threaded connection with the first connecting plate 22, and the fixing bolt 24 is in threaded connection with the second connecting plate 23 of the adjacent protection cage 21; the arrangement of the fixing bolts 24 improves the connection stability between two adjacent protective cages 21.

Referring to fig. 4 and 8, a connecting piece 3 is arranged between the pile body 1 and the protection cage 21, and the connecting piece 3 comprises a positioning piece 31 and a steel wire connecting rope 32; the positioning piece 31 comprises a positioning rod 311 and a connecting rod 312, and each protective cage 21 corresponds to the pile body 1 and is provided with a connecting piece 3; one end of the positioning rod 311 is welded and fixed with the side wall of the pile body 1, one end of the positioning rod 311 far away from the pile body 1 is connected with the connecting rod 312, and the connecting rod 312 connects and fixes all the positioning rods 311; one end of the steel wire connecting rope 32 is connected with the inner wall of the protective cage 21 in a fastening manner, and a fixing buckle 321 for fixing the steel wire connecting rope 32 is inserted into one end, close to the protective cage 21, of the steel wire connecting rope 32; the arrangement of the positioning member 31 can effectively improve the connection tightness between the connection cage and the pile body 1.

A construction method for static drilling and rooting of energy piles comprises the following steps:

s1, drilling a foundation, and preliminarily forming a foundation pit for installing the energy pile;

s2, expanding the head of the foundation pit, increasing the diameter of the bottom wall of the foundation pit, injecting cement slurry into the lower end of the foundation pile, and testing the pile;

s3, implanting the pile body 1 into the foundation pit, filling cement in the foundation pit, and finally checking and accepting the pile engineering.

The implementation principle of the static drilling root planting energy pile in the embodiment of the application is as follows:

the protection cage 31 is installed according to the length of the pile body 2, the insertion block 321 at the first connecting plate 32 of the protection cage 31 is inserted into the insertion groove 331 at the second connecting plate 33 of the adjacent protection cage 31, and then the fixing bolt 34 is inserted into the first connecting hole 322 at the first connecting plate 32 and the second connecting hole 333 in the adjacent protection cage 31, so that the installation of the protection cage 31 is completed; then, the steel wire connecting rope 42 is tightened and fastened to the connecting rod 412 of the positioning member 41 corresponding to the protection cage 31, and is fixed by the fixing fastener 421, and the installation of the whole connecting member 4 is sequentially completed;

excavating a foundation pit 11, hoisting the pile body 2 into the foundation pit 11 by using a hoisting tool, and inserting the conical positioning column 211 and the inserting plate 212 into the bottom wall of the foundation pit 11 together so as to position the pile body 2; and after the hoisting is finished, filling cement into the foundation pit 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.