CN215105249U

CN215105249U - Cast-in-place pile pre-buried ground source heat pump pipe pile cap node

Info

Publication number: CN215105249U
Application number: CN202120955837.7U
Authority: CN
Inventors: 乔远远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-10
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a pre-buried ground source heat pump pipe pile cap node of bored concrete pile belongs to the civil engineering field. A cast-in-place pile embedded ground source heat pump pipe pile cap node comprises an embedded pipeline, a soil pile cap is poured at the top of the embedded pipeline, the outer wall of the circumference of the soil pile cap is provided with two pile cap side lugs in a symmetrical structure, the tops of the pile cap side lugs are provided with mounting grooves, the inside of the mounting groove is provided with a heat preservation pipe sleeve, the outer side of the top of the soil pile cap is provided with a grouting groove, the inner side of the top of the soil pile cap is provided with an annular groove, the top of the soil pile cap is provided with two pipe slots in a symmetrical structure, the bottom of the inner wall of the grouting slot is fixedly provided with a plurality of reinforcing steel bars in an annular equidistant structure, the structure can be used for constructing the soil pile cap by arranging the heat-insulating pipe sleeve and the protective pipe sleeve in the embedded pipeline, the ground source heat pump pipe is protected, the damage of the ground source heat pump pipe is avoided, and meanwhile, the heat preservation cotton I and the heat preservation cotton II are arranged in the annular groove, so that the ground source heat pump pipe in the embedded pipeline can be subjected to heat preservation to a certain degree.

Description

Cast-in-place pile pre-buried ground source heat pump pipe pile cap node

Technical Field

The utility model relates to a civil engineering field, more specifically say, relate to a pre-buried ground source heat pump pipe pile cap node of bored concrete pile.

Background

The ground source heat pump is a heat supply central air conditioning system which takes rock and soil mass, stratum soil, underground water or surface water as a low-temperature heat source and consists of a water ground source heat pump unit, a geothermal energy exchange system and a system in a building. According to different forms of geothermal energy exchange systems, the ground source heat pump system is divided into a buried pipe ground source heat pump system, a ground water ground source heat pump system and a surface water ground source heat pump system.

The existing ground source heat pump pipeline is not provided with good protection measures in the embedding process, the surface of the pipeline is often damaged due to construction, and the later normal use of the pipeline is affected.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a pre-buried ground source heat pump pipe pile cap node of bored concrete pile to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

A cast-in-place pile embedded ground source heat pump pipe pile cap node comprises an embedded pipeline, a soil pile cap is poured at the top of the embedded pipeline, the outer wall of the circumference of the soil pile cap is provided with two pile cap side lugs in a symmetrical structure, the tops of the pile cap side lugs are provided with mounting grooves, the inside of the mounting groove is provided with a heat preservation pipe sleeve, the outer side of the top of the soil pile cap is provided with a grouting groove, the inner side of the top of the soil pile cap is provided with an annular groove, the top of the soil pile cap is provided with two pipe slots in a symmetrical structure, the bottom of the inner wall of the grouting slot is fixedly provided with a plurality of reinforcing steel bars in an annular equidistant structure, the inner wall of the annular groove is provided with a first heat insulation cotton, the top of the first heat insulation cotton is provided with a second heat insulation cotton, the top of the inner ring of the soil pile cap is fixedly provided with a protective shell, a protective pipe sleeve is arranged inside the embedded pipeline, the concrete pile cap top is fixedly provided with a concrete top cover, and the concrete top cover top is of a symmetrical structure and is respectively provided with a grouting hole and a grout outlet hole.

Preferably, two ends of the protective pipe sleeve respectively penetrate through the pipe grooves to be connected and fixed with the two heat preservation pipe sleeves.

Preferably, the tops of the steel bars are in contact with the top of the inner wall of the concrete top cover, and the bottom of the inner wall of the grouting groove is provided with a slot matched with the steel bars for use.

Preferably, the joint of the soil pile cap and the concrete top cover is sealed through concrete pouring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses structurally improve to some extent, this structure can protect the ground source heat pump pipe in the work progress through at inside heat preservation pipe box and the protective pipe cover that sets up of buried pipeline in advance, avoids its damage, can keep warm to a certain extent to the inside ground source heat pump pipe of buried pipeline through set up heat preservation cotton one and heat preservation cotton two in the ring channel inside simultaneously.

2. The utility model discloses structurally improve to some extent, through setting up pile cap side ear in soil pile cap both sides to after fixing, to the inside concrete grout of pouring of mounting groove, can protect the insulating tube cover, through setting up the reinforcing bar at the grout inslot portion, through concrete top cap and soil pile cap lock, to its inside concrete grout of pouring, can increase overall structure's support dynamics and stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the soil pile cap of the present invention;

the reference numbers in the figures illustrate: 1. pre-burying a pipeline; 2. a soil pile cap; 3. pile cap side ears; 4. mounting grooves; 5. a heat preservation pipe sleeve; 6. grouting grooves; 7. an annular groove; 8. a pipe groove; 9. reinforcing steel bars; 10. insulating cotton I; 11. second heat preservation cotton; 12. a protective housing; 13. a protective sleeve; 14. a concrete top cover; 15. grouting holes; 16. and (6) slurry outlet.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a cast-in-place pile embedded ground source heat pump pipe pile cap node comprises an embedded pipeline 1, a soil pile cap 2 is poured at the top of the embedded pipeline 1, the outer circumferential wall of the soil pile cap 2 is symmetrically provided with two pile cap side lugs 3, the tops of the pile cap side lugs 3 are provided with mounting grooves 4, heat-insulating pipe sleeves 5 are arranged inside the mounting grooves 4, a grouting groove 6 is formed in the outer side of the top of the soil pile cap 2, the inner side of the top of the soil pile cap 2 is provided with an annular groove 7, the top of the soil pile cap 2 is symmetrically provided with two pipe grooves 8, the bottom of the inner wall of the grouting groove 6 is annularly and equidistantly provided with a plurality of reinforcing steel bars 9, the inner wall of the annular groove 7 is provided with a heat-insulating cotton I10, the top of the heat-insulating cotton I10 is provided with a heat-insulating cotton II 11, the top of the inner ring of the soil pile cap 2 is fixedly provided with a protective shell 12, the embedded pipeline 1 is internally provided with a protective pipe sleeve 13, the top of the soil pile cap 2 is fixedly provided with a concrete top cover 14, and the top of the concrete cover 14 is symmetrically provided with a grouting hole 15 and a grout outlet 16; in the using process, firstly, a ground source heat pump pipeline penetrates through the heat insulation pipe sleeve 5 and the protective pipe sleeve 13, the heat insulation pipe sleeve 5 is placed inside the mounting groove 4 on the pile cap side lug 3, the protective pipe sleeve 13 is placed inside the embedded pipeline 1, the first heat insulation cotton 10 is placed inside the annular groove 7, two ends of the protective pipe sleeve 13 are mounted inside the pipe groove 8 and are positioned above the first heat insulation cotton 10, the second heat insulation cotton 11 is buckled with the first heat insulation cotton 10, the protective pipe sleeve 13 is positioned between the first heat insulation cotton 10 and the second heat insulation cotton 11, a plurality of reinforcing steel bars 9 are inserted into the inserting groove inside the grouting groove 6, the protective shell 12 is fixedly poured with the top of the inner ring of the concrete pile cap 2 through concrete grout, the concrete top cover 14 is buckled with the top of the concrete pile cap 2, the concrete pile cap 2 is sealed with the concrete top cover 14 through the concrete grout, the grouting hole 15 is used for grouting concrete grout inside the grouting groove 6, until part of concrete slurry seeps out of the top of the slurry outlet hole 16, and finally, concrete slurry is poured into the mounting groove 4; in the structure, the heat-insulating pipe sleeve 5 and the protective pipe sleeve 13 are arranged in the embedded pipeline 1, so that the ground source heat pump pipe can be protected and prevented from being damaged in the construction process, and meanwhile, the heat-insulating cotton I10 and the heat-insulating cotton II 11 are arranged in the annular groove 7, so that the ground source heat pump pipe in the embedded pipeline 1 can be insulated to a certain extent; through setting up pile cap side ear 3 in 2 both sides of soil pile cap to fix the concrete thick liquid of pouring into to mounting groove 4 inside after so, can protect insulating tube cover 5, through at the inside reinforcing bar 9 that sets up of grout groove 6, through

concrete top cap

14 and 2 locks of soil pile cap, to its inside concrete thick liquid of pouring into, can increase overall structure's support dynamics and stability.

Specifically, two ends of the protective pipe sleeve 13 respectively penetrate through the pipe groove 8 to be connected and fixed with the two heat preservation pipe sleeves 5.

Furthermore, the top of the steel bar 9 is contacted with the top of the inner wall of the concrete top cover 14, and the bottom of the inner wall of the grouting groove 6 is provided with a slot matched with the steel bar 9 for use.

Still further, the joint of the soil pile cap 2 and the concrete top cover 14 is sealed by concrete pouring.

The working principle is as follows: in the using process, firstly, a ground source heat pump pipeline penetrates through the heat insulation pipe sleeve 5 and the protective pipe sleeve 13, the heat insulation pipe sleeve 5 is placed inside the mounting groove 4 on the pile cap side lug 3, the protective pipe sleeve 13 is placed inside the embedded pipeline 1, the first heat insulation cotton 10 is placed inside the annular groove 7, two ends of the protective pipe sleeve 13 are mounted inside the pipe groove 8 and are positioned above the first heat insulation cotton 10, the second heat insulation cotton 11 is buckled with the first heat insulation cotton 10, the protective pipe sleeve 13 is positioned between the first heat insulation cotton 10 and the second heat insulation cotton 11, a plurality of reinforcing steel bars 9 are inserted into the inserting groove inside the grouting groove 6, the protective shell 12 is fixedly poured with the top of the inner ring of the concrete pile cap 2 through concrete grout, the concrete top cover 14 is buckled with the top of the concrete pile cap 2, the concrete pile cap 2 is sealed with the concrete top cover 14 through the concrete grout, the grouting hole 15 is used for grouting concrete grout inside the grouting groove 6, until part of concrete slurry seeps out from the top of the slurry outlet hole 16, and finally, concrete slurry is poured into the mounting groove 4.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pre-buried ground source heat pump pipe pile cap node of bored concrete pile, includes pre-buried pipeline (1), its characterized in that: the soil pile cap (2) is poured at the top of the pre-buried pipeline (1), two pile cap side lugs (3) are arranged on the outer wall of the circumference of the soil pile cap (2) in a symmetrical structure, mounting grooves (4) are formed in the tops of the pile cap side lugs (3), heat-insulating pipe sleeves (5) are arranged in the mounting grooves (4), a grouting groove (6) is formed in the outer side of the top of the soil pile cap (2), an annular groove (7) is formed in the inner side of the top of the soil pile cap (2), two pipe grooves (8) are formed in the tops of the soil pile caps (2) in a symmetrical structure, a plurality of reinforcing steel bars (9) are fixedly arranged at the bottom of the inner wall of the grouting groove (6) in an annular equidistant structure, a first heat-insulating cotton (10) is installed on the inner wall of the annular groove (7), a second heat-insulating cotton (11) is placed at the top of the first heat-insulating cotton (10), and a protective shell (12) is fixedly arranged at the top of the inner ring of the soil pile cap (2), the concrete pile is characterized in that a protective pipe sleeve (13) is arranged inside the embedded pipeline (1), a concrete top cover (14) is fixedly arranged at the top of the concrete pile cap (2), and grouting holes (15) and grout outlet holes (16) are formed in the top of the concrete top cover (14) in a symmetrical structure respectively.

2. The cast-in-place pile embedded ground source heat pump pipe pile cap node of claim 1, which is characterized in that: and two ends of the protective pipe sleeve (13) respectively penetrate through the pipe grooves (8) to be connected and fixed with the two heat-insulating pipe sleeves (5).

3. The cast-in-place pile embedded ground source heat pump pipe pile cap node of claim 1, which is characterized in that: the top of the steel bar (9) is in contact with the top of the inner wall of the concrete top cover (14), and a slot matched with the steel bar (9) for use is arranged at the bottom of the inner wall of the grouting groove (6).

4. The cast-in-place pile embedded ground source heat pump pipe pile cap node of claim 1, which is characterized in that: the joint of the soil pile cap (2) and the concrete top cover (14) is sealed by pouring concrete.