CN220318506U - Assembled stepped bamboo joint energy pile - Google Patents
Assembled stepped bamboo joint energy pile Download PDFInfo
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- CN220318506U CN220318506U CN202322110102.6U CN202322110102U CN220318506U CN 220318506 U CN220318506 U CN 220318506U CN 202322110102 U CN202322110102 U CN 202322110102U CN 220318506 U CN220318506 U CN 220318506U
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- heat exchange
- exchange tube
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- connecting piece
- straight
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 23
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 23
- 241001330002 Bambuseae Species 0.000 title claims abstract description 23
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 23
- 239000011425 bamboo Substances 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The application relates to the field of building pile foundations, and particularly discloses an assembled stepped bamboo joint energy pile, which comprises a heat exchange tube group, a cylindrical precast pile and a fixing structure for fixing the heat exchange tube group to the precast pile, wherein the heat exchange tube group comprises a plurality of straight heat exchange tubes and curved heat exchange tubes which are sequentially and alternately connected, the straight heat exchange tubes are arranged along the axial direction of the precast pile, and the curved heat exchange tubes are arranged along the circumferential direction of the cambered surface of the precast pile; a connecting component for connecting the straight heat exchange tube and the curved heat exchange tube is arranged between the adjacent heat exchange tubes. The stepped arrangement mode that the straight heat exchange pipes and the bent heat exchange pipes are combined is adopted, the limit of the pile body length on the arrangement length of the heat exchange pipes is broken, the arrangement length of the heat exchange pipes is increased, and therefore heat exchange efficiency is improved; and the heat exchange tube group adopts a sectional and sectional assembly mode, so that the installation difficulty is reduced, and the installation stability of the heat exchange tube is also improved.
Description
Technical Field
The application relates to the field of building pile foundations, in particular to an assembled stepped bamboo joint energy pile.
Background
The shallow geothermal resource is used as a renewable energy source with environmental protection, stability, reliability and sufficient reserves, and is a research hot spot for solving the energy problem and the environmental pollution problem at present. The energy pile is based on a ground source heat pump system, and exchanges heat between the heat exchange pipe and soil around the pile, so that the effect of refrigerating in summer and heating in winter is achieved. Meanwhile, the energy pile can be used as a building pile foundation, and compared with the traditional drilling ground source heat pump technology, the energy pile has the advantages of space saving, cost reduction and high heat exchange efficiency.
At present, most of energy pile heat exchange pipes are arranged in a U-shaped mode, the lengths of the heat exchange pipes are limited by the lengths of pile bodies, and heat exchange efficiency is limited. The heat exchange tube adopts the whole installation mode generally, and stability is relatively poor, and the installation degree of difficulty is relatively high.
Disclosure of Invention
In order to solve the problems that the length of the heat exchange tube is limited by the length of the pile body and the heat exchange tube is not easy to install, the application provides an assembled stepped bamboo joint energy pile.
The application provides a step bamboo joint energy stake that can assemble adopts following technical scheme:
an assemblable stepped bamboo joint energy pile comprising:
cylindrical precast piles;
the heat exchange tube group is arranged on the precast pile and comprises a plurality of direct heat exchange tubes and curved heat exchange tubes which are alternately connected, wherein the direct heat exchange tubes are arranged along the axial direction of the precast pile, and the curved heat exchange tubes are arranged along the circumferential direction of the cambered surface of the precast pile; a connecting component for connecting the straight heat exchange tube and the bent heat exchange tube is arranged between the adjacent straight heat exchange tube and the bent heat exchange tube;
and the fixing structure is used for fixing the heat exchange tube group on the precast pile.
When in installation, the straight heat exchange tube and the bent heat exchange tube are sequentially and alternately connected through the connecting component to form a heat exchange tube group, and then the heat exchange tube group is fixed on the precast pile through the fixing structure; the heat exchange tube structure adopts a stepped arrangement mode of combining the straight heat exchange tube and the bent heat exchange tube, so that the limit of the pile length on the arrangement length of the heat exchange tube is broken, the arrangement length of the heat exchange tube is increased, and the heat exchange efficiency is improved; meanwhile, the heat exchange tube adopts a sectional assembly mode, so that the installation difficulty is reduced, and the installation stability of the heat exchange tube is also improved.
Further, the fixing structure comprises a convex ring fixedly arranged on the outer wall of the precast pile, the convex ring is coaxial with the precast pile, a positioning hole for the heat exchange tube group to pass through is formed in the convex ring, and the positioning hole extends along the axial direction of the precast pile.
The positioning holes are formed in the convex rings through which the heat exchange tube groups penetrate, so that the heat exchange tube groups are fixed on the precast piles, and the stability of the installation of the heat exchange tube groups is improved.
Further, the convex rings are arranged in a plurality, the convex rings are sequentially distributed at intervals along the axial direction of the precast pile, and the straight heat exchange tube is positioned between two adjacent convex rings.
The precast pile and the convex rings form a bamboo joint type structure, and the convex rings fix the heat exchange tube group at the same time, so that the stability of the heat exchange tube group installed on the precast pile is improved.
Further, an arc-shaped groove matched with the bent heat exchange tube in a clamping and embedding manner is formed in the convex ring.
When the heat exchange tube group is arranged on the precast pile, the bent heat exchange tube is clamped and embedded in the groove, so that the stability of the installation of the bent heat exchange tube is improved.
Further, limiting ribs for limiting the bent heat exchange tube are arranged on two sides of the groove.
After the limiting ribs are bound, the bent heat exchange tube is limited, and the stability of the bent heat exchange tube is further improved.
Further, a hexagonal lengthened nut is arranged in the positioning hole; the connecting assembly comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece is used for connecting the straight heat exchange tube and the bent heat exchange tube, the second connecting piece is used for connecting the lengthened nut and the bent heat exchange tube, and the third connecting piece is used for connecting the lengthened nut and the straight heat exchange tube.
When the heat exchange tube is installed, the straight heat exchange tube, the first connecting piece, the bent heat exchange tube, the second connecting piece, the lengthened nut and the third connecting piece are connected in sequence to form a heat exchange tube group, and the lengthened nut is positioned in the positioning hole to fix the heat exchange tube group on the precast pile; the heat exchange tube group is arranged in a stepwise roundabout manner on the surface of the precast pile, so that the limit of the pile body length on the arrangement length of the heat exchange tubes is broken, the arrangement length of the heat exchange tubes is increased, and the heat exchange efficiency is improved.
Further, the first connecting piece is an L-shaped bent pipe, and two ends of the first connecting piece are respectively provided with a pagoda joint which is in plug-in fit with the straight heat exchange pipe and the bent heat exchange pipe.
The two ends of the first connecting piece are respectively spliced with the straight heat exchange tube and the bent heat exchange tube through pagoda connectors, so that the connection of the straight heat exchange tube and the bent heat exchange tube is realized.
Further, the second connecting piece is an L-shaped bent pipe, one end of the second connecting piece is provided with a pagoda joint which is in plug-in fit with the bent heat exchange pipe, and the other end of the second connecting piece is provided with external threads which are in thread fit with the lengthened nut.
One end of the second connecting piece is connected with the bent heat exchange tube in an inserting mode through the pagoda joint, and the other end of the second connecting piece is connected with the lengthened nut through threads in a threaded mode, so that the bent heat exchange tube is connected with the lengthened nut.
Further, the third connecting piece is a straight pipe, one end of the third connecting piece is provided with a pagoda joint which is in plug-in fit with the straight heat exchange pipe, and the other end of the third connecting piece is provided with external threads which are in thread fit with the lengthened nut.
One end of the third connecting piece is connected with the straight heat exchange tube in an inserting mode through the pagoda joint, and the other end of the third connecting piece is connected with the lengthened nut through threads in a threaded mode, so that the connection between the straight heat exchange tube and the lengthened nut is achieved.
Further, at least two heat exchange tube groups are arranged on the precast pile.
Through setting up multiunit heat exchange tube group, increased the arrangement length of heat exchange tube to improve heat exchange efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the stepped arrangement mode that the straight heat exchange tubes and the bent heat exchange tubes are combined is adopted, so that the limit of the pile length on the arrangement length of the heat exchange tubes is broken, the arrangement length of the heat exchange tubes is increased, and the heat exchange efficiency is improved;
2. the heat exchange tube group adopts a sectional assembly mode, so that the installation difficulty is reduced;
3. through setting up the precast pile of bamboo joint formula structure, be convenient for be fixed in the precast pile with the heat exchange tube group on, also improved the stability of heat exchange tube group installation.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a heat exchange tube group in an embodiment of the present application;
FIG. 3 is a schematic view of a partial structure of a convex ring according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of an embodiment of the present application primarily for illustrating the grooves and spacing ribs;
fig. 5 is a schematic structural view of the first connecting member, the second connecting member and the third connecting member in the embodiment of the present application.
Reference numerals: 1-precast piles; 2-convex rings; 21-positioning holes; 22-grooves; 23-limiting ribs; 31-a direct heat exchange tube; 32-bending the heat exchange tube; 33-a first connector; 34-a second connector; 35-a third connector; 36-lengthening nut.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a step bamboo joint energy stake that can assemble. Referring to fig. 1, the assemblable stepped bamboo joint energy pile includes a precast pile 1, a heat exchange tube group installed on the precast pile 1, and a fixing assembly for fixing the heat exchange tube group on the precast pile 1; wherein, precast pile 1 is the reinforced concrete stake of cylinder type.
Referring to fig. 1 and 2, the heat exchange tube group includes a plurality of straight heat exchange tubes 31 and curved heat exchange tubes 32 alternately connected, the straight heat exchange tubes 31 being disposed along the axial direction of the precast pile 1, the curved heat exchange tubes 32 being circular arc-shaped and disposed along the circumference of the arc surface of the precast pile 1; a connection assembly for connecting the straight heat exchange tube 31 and the curved heat exchange tube 32 is arranged between the adjacent two heat exchange tubes.
During installation, the straight heat exchange pipes 31 and the bent heat exchange pipes 32 are sequentially and alternately connected through the connecting components to form a heat exchange pipe group, and then the heat exchange pipe group is fixed on the precast pile 1 through the fixing structure. The heat exchange tube group is assembled by the straight heat exchange tube 31 and the bent heat exchange tube 32, adopts a stepped roundabout arrangement mode, breaks the limit of the length of the pile body of the precast pile 1 to the arrangement length of the heat exchange tube, increases the arrangement length of the heat exchange tube, and further increases the contact area of the heat exchange tube and the soil body around the pile, and improves the heat exchange efficiency. Meanwhile, the heat exchange tube group adopts a sectional assembly mode, so that the installation difficulty is reduced, and the installation stability of the heat exchange tube group is also improved.
In order to improve the heat exchange efficiency, at least two groups of heat exchange tube groups are arranged on the precast pile 1. In this embodiment, referring to fig. 1, the heat exchange tube groups are arranged in two groups, the two heat exchange tube groups are symmetrically distributed relative to the axis of the precast pile 1, and the two heat exchange tube groups are connected in series; thus, the arrangement length of the heat exchange tubes is increased, thereby improving the heat exchange efficiency.
Referring to fig. 1 and 3, the fixing structure comprises a convex ring 2 fixedly arranged on the outer wall of the precast pile 1, the convex ring 2 is coaxial with the precast pile 1, and the convex ring 2 and the precast pile 1 are integrally cast. The convex ring 2 is provided with a positioning hole 21 for the heat exchange tube group to pass through, and the positioning hole 21 extends along the axial direction of the precast pile 1.
Further, referring to fig. 1, a plurality of convex rings 2 are provided, and the plurality of convex rings 2 are sequentially and equally spaced along the axial direction of the precast pile 1, and the straight heat exchange tube 31 is positioned between two adjacent convex rings 2.
Positioning holes 21 are formed in the convex rings 2 through which the heat exchange tube groups pass, so that the heat exchange tube groups are fixed on the precast pile 1. The precast pile 1 and the convex rings 2 form a bamboo joint structure, and the convex rings 2 fix the heat exchange tube group at the same time, so that the stability of the heat exchange tube group installed on the precast pile 1 is improved.
In order to improve the stability of the installation of the bent heat exchange tube 32, referring to fig. 3, the convex ring 2 is provided with an arc-shaped groove 22 in a snap fit with the bent heat exchange tube 32, and the positioning hole 21 is located at the end of the groove 22. In the embodiment, two grooves 22 are provided, and the two grooves 22 are symmetrically distributed relative to the axis of the precast pile 1; the four positioning holes 21 are arranged, and the four positioning holes 21 are sequentially distributed at equal intervals along the circumferential direction of the convex ring 2.
In order to further improve the stability of installing the bent heat exchange tube 32, referring to fig. 4, both sides of the groove 22 are provided with limiting ribs 23 for limiting the bent heat exchange tube 32, and the limiting ribs 23 are pre-buried reinforcing bars when the precast pile 1 is poured.
When the heat exchange tube group is installed on the precast pile 1, the bent heat exchange tubes 32 are clamped and embedded in the grooves 22, and the limit ribs 23 positioned on the two sides of the grooves 22 are bound, so that the fixing effect on the bent heat exchange tubes 32 is achieved, and the installation stability of the bent heat exchange tubes 32 is improved.
Referring to fig. 3, a hexagonal extension nut 36 is provided in the positioning hole 21, and the length of the extension nut 36 is identical to the thickness of the collar 2. The inner peripheral outline dimension of the positioning hole 21 is not smaller than the outer peripheral outline dimension of the straight heat exchange tube 31. Referring to fig. 2, the connection assembly includes a first connection member 33, a second connection member 34, and a third connection member 35; wherein, the first connecting piece 33 is used for connecting straight heat exchange tube 31 and curved heat exchange tube 32, the second connecting piece 34 is used for connecting extension nut 36 and curved heat exchange tube 32, and the third connecting piece 35 is used for connecting extension nut 36 and straight heat exchange tube 31.
Specifically, referring to fig. 2 and 5, the first connecting piece 33 and the second connecting piece 34 are all L-shaped bent pipes, and two ends of the first connecting piece 33 are respectively provided with a pagoda joint in plug-in fit with the straight heat exchange tube 31 and the bent heat exchange tube 32. One end of the second connecting piece 34 is provided with a pagoda joint which is in plug-in fit with the bent heat exchange tube 32, and the other end is provided with external threads which are in thread fit with the lengthened nut 36.
Referring to fig. 2 and 5, the third connecting member 35 is a straight tube, one end of the third connecting member 35 is provided with a pagoda joint in plug-in fit with the straight heat exchange tube 31, and the other end is provided with external threads in thread fit with the extension nut 36.
When the heat exchange tube group is assembled, two ends of the first connecting piece 33 are respectively spliced with the straight heat exchange tube 31 and the bent heat exchange tube 32 through pagoda connectors, so that the connection between the straight heat exchange tube 31 and the bent heat exchange tube 32 is realized. One end of the second connecting piece 34 is spliced with the bent heat exchange tube 32 through a pagoda joint, and the other end of the second connecting piece is connected with the lengthened nut 36 through external threads, so that the bent heat exchange tube 32 is connected with the lengthened nut 36. One end of the third connecting piece 35 is spliced with the straight heat exchange tube 31 through a pagoda joint, and the other end of the third connecting piece is connected with the lengthened nut 36 through external threads, so that the connection between the straight heat exchange tube 31 and the lengthened nut 36 is realized.
In the process of installation, referring to fig. 2, the straight heat exchange tube 31, the first connector 33, the bent heat exchange tube 32, the second connector 34, and the extension nut 36 are sequentially connected, the extension nut 36 is inserted into the positioning hole 21, and then the third connector 35 is connected to the extension nut 36, and the assembly of the heat exchange tube group is completed by repeating the above steps.
In order to improve the sealing performance of the heat exchange tube group, the joint of each component can be sealed and waterproof by using a raw material belt, waterproof gel, a binding belt and the like.
The implementation principle of the assembled stepped bamboo joint energy pile is as follows: during installation, the straight heat exchange tubes 31 and the bent heat exchange tubes 32 are sequentially and alternately connected through the connecting assembly to form a heat exchange tube group, and then the heat exchange tube group is fixed on the convex ring 2, so that the heat exchange tube group is installed on the precast pile 1. The straight heat exchange tube 31 and the bent heat exchange tube 32 are assembled into the heat exchange tube group, the heat exchange tube group adopts a stepped roundabout arrangement mode, the limit of the pile body length of the precast pile 1 on the arrangement length of the heat exchange tubes is broken, the arrangement length of the heat exchange tubes is increased, the contact area between the heat exchange tubes and soil around the pile is increased, and the heat exchange efficiency is improved; meanwhile, the heat exchange tube group adopts a sectional assembly mode, so that the installation difficulty is reduced, and the installation stability of the heat exchange tube group is also improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. An assemblable stepped bamboo joint energy pile which is characterized in that: comprising the following steps:
cylindrical precast piles;
the heat exchange tube group is arranged on the precast pile and comprises a plurality of direct heat exchange tubes and curved heat exchange tubes which are alternately connected, wherein the direct heat exchange tubes are arranged along the axial direction of the precast pile, and the curved heat exchange tubes are arranged along the circumferential direction of the cambered surface of the precast pile; a connecting component for connecting the straight heat exchange tube and the bent heat exchange tube is arranged between the adjacent straight heat exchange tube and the bent heat exchange tube;
and the fixing structure is used for fixing the heat exchange tube group on the precast pile.
2. The assembled stepped bamboo joint energy pile of claim 1, wherein: the fixing structure comprises a convex ring fixedly arranged on the outer wall of the precast pile, the convex ring is coaxial with the precast pile, a positioning hole for the heat exchange tube group to pass through is formed in the convex ring, and the positioning hole extends along the axial direction of the precast pile.
3. The assembled stepped bamboo joint energy pile of claim 2, wherein: the convex rings are arranged in a plurality, the convex rings are sequentially distributed at intervals along the axial direction of the precast pile, and the straight heat exchange tube is positioned between two adjacent convex rings.
4. A mountable stepped bamboo joint energy pile according to claim 3, wherein: the convex ring is provided with an arc-shaped groove which is in clamping fit with the bent heat exchange tube.
5. The assembled stepped bamboo joint energy pile of claim 4, wherein: both sides of the groove are provided with limiting ribs for limiting the bent heat exchange tube.
6. The assembled stepped bamboo joint energy pile of claim 2, wherein: a hexagonal lengthened nut is arranged in the positioning hole; the connecting assembly comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece is used for connecting the straight heat exchange tube and the bent heat exchange tube, the second connecting piece is used for connecting the lengthened nut and the bent heat exchange tube, and the third connecting piece is used for connecting the lengthened nut and the straight heat exchange tube.
7. The assembled stepped bamboo joint energy pile of claim 6, wherein: the first connecting piece is an L-shaped bent pipe, and two ends of the first connecting piece are respectively provided with a pagoda joint which is in plug-in fit with the straight heat exchange pipe and the bent heat exchange pipe.
8. The assembled stepped bamboo joint energy pile of claim 6, wherein: the second connecting piece is an L-shaped bent pipe, one end of the second connecting piece is provided with a pagoda joint which is in plug-in fit with the bent heat exchange pipe, and the other end of the second connecting piece is provided with external threads which are in thread fit with the lengthened nut.
9. The assembled stepped bamboo joint energy pile of claim 6, wherein: the third connecting piece is a straight pipe, one end of the third connecting piece is provided with a pagoda joint which is in plug-in fit with the straight heat exchange pipe, and the other end of the third connecting piece is provided with external threads which are in thread fit with the lengthened nut.
10. The assembled stepped bamboo joint energy pile of claim 1, wherein: at least two heat exchange tube groups are arranged on the precast pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110102.6U CN220318506U (en) | 2023-08-07 | 2023-08-07 | Assembled stepped bamboo joint energy pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110102.6U CN220318506U (en) | 2023-08-07 | 2023-08-07 | Assembled stepped bamboo joint energy pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318506U true CN220318506U (en) | 2024-01-09 |
Family
ID=89424513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322110102.6U Active CN220318506U (en) | 2023-08-07 | 2023-08-07 | Assembled stepped bamboo joint energy pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318506U (en) |
-
2023
- 2023-08-07 CN CN202322110102.6U patent/CN220318506U/en active Active
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