CN219100127U

CN219100127U - Precast concrete aviation air conditioner ground well structure

Info

Publication number: CN219100127U
Application number: CN202320016240.5U
Authority: CN
Inventors: 田旋; 陈涛; 秦健; 徐杨军; 余喆; 吴明昊; 邓晓宇
Original assignee: Wuhan Construction Xinxing Building Materials Green Industry Technology Co ltd
Current assignee: Wuhan Construction Xinxing Building Materials Green Industry Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-30
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a precast concrete aviation air conditioner ground well structure, which comprises a first precast concrete member and a second precast concrete member which are square structures, wherein a wellhead is arranged in the middle of the top of the first precast concrete member, and a third precast concrete member is covered at the wellhead of the first precast concrete member; the periphery of the side wall of the first precast concrete member is uniformly provided with a plurality of corrugated pipes, the periphery of the side wall of the second precast concrete member is uniformly embedded with a plurality of threaded sleeves corresponding to the corrugated pipes one by one, the lower parts of the prestressed rebars penetrate through the corrugated pipes and are in threaded connection with the threaded sleeves, and the upper parts of the prestressed rebars are fastened to the tops of the corrugated pipes by steel gaskets and nuts; and after the first precast concrete member is in butt joint with the second precast concrete member, the sealing mortar is used for sealing and trowelling the joint, so that an inner waterproof structure and an outer waterproof structure are formed. The utility model adopts a fully assembled structure and a dry connection mode, has high production efficiency, adopts on-site assembly of prefabricated components, and can shorten the construction period.

Description

Precast concrete aviation air conditioner ground well structure

Technical Field

The utility model relates to the technical field of aviation service supporting facilities, in particular to a precast concrete aviation air conditioner ground well structure.

Background

The aviation service air conditioner ground well is used for heating/cooling services for the parked aircraft, and has the advantages of saving ground use space, being convenient to use, being hidden and safe, and the like. However, the air-conditioning ground well adopts a cast-in-place concrete structure, a formwork is needed, concrete is poured, and the like, so that the construction period is long; and the time for aircraft to stop is short, only three and four hours are needed for construction, and the construction period is very short.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the precast concrete aviation air conditioner ground well structure which adopts a fully assembled structure and a dry connection mode, is industrially produced, and has high production efficiency and reliable quality; the prefabricated components are assembled on site, so that the construction period can be shortened.

In order to achieve the above purpose, the utility model provides a precast concrete aviation air conditioner ground well structure, which comprises a first precast concrete member and a second precast concrete member which are square structures, wherein the interiors of the first precast concrete member and the second precast concrete member are respectively provided with a hollow cavity which is square, the opening of the first precast concrete member faces upwards, the opening of the second precast concrete member faces downwards, a wellhead is arranged at the middle position of the top of the first precast concrete member, and a third precast concrete member is covered at the wellhead of the first precast concrete member; the corrugated pipes are vertically arranged in the side wall of the first precast concrete member and penetrate through the first precast concrete member; a plurality of threaded sleeves which are in one-to-one correspondence with the corrugated pipes are uniformly embedded around the side wall of the second precast concrete member, and the threaded sleeves are vertically arranged in the side wall of the second precast concrete member; the lower part of the prestressed reinforcement passes through the corrugated pipe and is in threaded connection with the threaded sleeve, and the upper part of the prestressed reinforcement is fastened to the top of the corrugated pipe by using a steel gasket and a nut; and the inner edge and the outer edge of the butt joint part of the side walls of the first precast concrete member and the second precast concrete member are respectively provided with a chamfer, and the chamfers are sealed and smoothed by sealing mortar after the butt joint of the first precast concrete member and the second precast concrete member, so that an inner waterproof structure and an outer waterproof structure are formed.

Preferably, grouting holes are formed in the range of 150-200 mm away from the bottom of the first precast concrete member 1, the grouting holes are located on the inner side of the first precast concrete member, which is close to the hollow cavity, and the grouting holes are horizontally arranged and communicated with the corrugated pipe.

Further, a hand hole is formed in the top of the first precast concrete member at a position corresponding to the corrugated pipe, and the steel gasket and the nut are located in the hand hole.

Further, four round head hanging nails are embedded at the top of the first precast concrete member and used for hanging the first precast concrete member.

Preferably, the periphery of the lower part of the second precast concrete member is stuck with a water-swelling adhesive tape.

Further, micro-expansion high-strength mortar is poured into the reserved pore canal where the corrugated pipe is located.

The precast concrete aviation air conditioner ground well structure has the beneficial effects that:

the precast concrete aviation air conditioner ground well structure adopts a fully assembled structure and a dry connection mode, is industrially produced, and has high production efficiency and reliable quality; the prefabricated components are assembled on site, so that the construction period can be shortened. The prefabricated assembled air conditioner ground well has three prefabricated components, only 2 sets of dies are needed, wherein the first prefabricated concrete component and the second prefabricated concrete component share one set of die, the die structure is simple, the reserved holes can be realized by arranging different embedded parts, and the prefabricated assembled air conditioner ground well is rapid and convenient and has good economical efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic three-dimensional structure of a precast concrete air conditioning well of the present utility model;

FIG. 2 is a schematic plan view of a first precast concrete element;

FIG. 3 is a schematic plan view of a second precast concrete element;

FIG. 4 is a cross-sectional view of an inventive precast concrete air conditioning land well;

fig. 5 is a schematic view of the connection of a first precast concrete element to a second precast concrete element.

In the figure, 1-a first precast concrete member; 2-a second precast concrete member; 3-a third precast concrete member; 4-hanging nails with round heads; 5-bellows; 6-hand hole; 7-of a threaded sleeve and 8-of prestressed reinforcement; 9-chamfering; 10-sealing mortar; 11-grouting holes; 12-micro-expansion high-strength mortar; 13-steel shims; 14-a nut; 15-a cushion layer; 16-plain soil.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The precast concrete aviation air conditioner ground well structure of the present utility model will be described in detail with reference to fig. 1 to 5.

As shown in fig. 1, the precast concrete aviation air conditioning ground well structure comprises a first precast concrete member 1, a second precast concrete member 2 and a third precast concrete member 3, wherein the first precast concrete member 1 and the second precast concrete member 2 are square structures, hollow cavities which are square bodies are formed in the first precast concrete member 1 and the second precast concrete member 2, an opening of the first precast concrete member 1 faces upwards, an opening of the second precast concrete member 2 faces downwards, a wellhead is arranged in the middle position of the top of the first precast concrete member 1, and the third precast concrete member 3 is covered at the wellhead of the first precast concrete member 1.

As shown in fig. 2 and 4, four round head hanging nails 4 are embedded at the top of the first precast concrete member 1 and used for hanging the first precast concrete member 1, a plurality of corrugated pipes 5 are uniformly arranged around the side wall of the first precast concrete member 1, and the corrugated pipes 5 are vertically arranged in the side wall of the first precast concrete member 1 and penetrate through the first precast concrete member 1. The top of the first precast concrete member 1 is provided with a hand hole 6 at a position corresponding to the corrugated pipe 5 for installation of the prestressed reinforcement 8, a grouting hole 11 is arranged in a range of 150 mm-200 mm away from the bottom of the first precast concrete member 1, the grouting hole 11 is positioned on the inner side of the first precast concrete member 1 close to the hollow cavity, and the grouting hole 11 is horizontally arranged and communicated with the corrugated pipe 5.

As shown in fig. 3 and 4, a plurality of threaded sleeves 7 are uniformly embedded around the side wall of the second precast concrete member 2, the threaded sleeves 7 are vertically arranged in the side wall of the second precast concrete member 2, the positions of the threaded sleeves 7 are in one-to-one correspondence with the positions of the corrugated pipes 5 arranged on the first precast concrete member 1, and the threaded sleeves 7 are used for hoisting the second precast concrete member 2 and connecting the first precast concrete member 1 and the second precast concrete member 2.

As shown in fig. 4 and 5, chamfers 9 are respectively arranged at the inner and outer edges of the butt joint positions of the side walls of the first precast concrete member 1 and the second precast concrete member 2, the chamfers 9 are sealed and smoothed by sealing mortar 10 after the first precast concrete member 1 is in butt joint with the second precast concrete member 2, an inner waterproof structure and an outer waterproof structure are formed, and meanwhile, the phenomenon of joint staggering of the upper member and the lower member due to butt joint errors is eliminated. The two ends of the prestressed reinforcement 8 are respectively provided with external threads, the lower part of the prestressed reinforcement is in threaded connection with the pre-buried threaded sleeve 7 on the second precast concrete member 2, the upper part of the prestressed reinforcement is fastened in the hand hole 6 at the top of the corrugated pipe 5 by using the steel gasket 13 and the nut 14, and micro-expansion high-strength mortar 12 is poured in a reserved pore channel where the corrugated pipe 5 is positioned, so that the connection strength of the upper member and the lower member is ensured.

Hereinafter, the construction of the precast concrete air conditioner manhole structure of the present utility model will be briefly described with reference to fig. 1 to 5 in combination with the description of the above structural features:

first, ramming plain soil 16 at a selected position, paving a cushion layer 15 on the plain soil 16, pasting water-swelling adhesive tapes around the lower part of the second precast concrete member 2, then installing the second precast concrete member 2, and adjusting levelness.

And secondly, installing the first precast concrete member 1, vertically hoisting the first precast concrete member 1 by about 100mm after the vertical alignment is completed, and placing a wood cushion block at the side wall interface of the first precast concrete member 1 and the second precast concrete member 2 to separate the first precast concrete member 1 and the second precast concrete member 2.

Third, the prestressed reinforcement 8 is penetrated from the hand hole 6 at the upper portion of the first precast concrete unit 1 and is then positioned. The prestressed reinforcement 8 is manually screwed into the pre-buried threaded sleeve 7 in the side wall of the second precast concrete member 2 between the joint gaps of the first precast concrete member 1 and the second precast concrete member 2, then the first precast concrete member 1 is lifted, the wood cushion is removed, the first precast concrete member 1 is put down, and the alignment is adjusted.

And fourthly, sealing the horizontal joint between the first precast concrete member 1 and the second precast concrete member 2 with sealing mortar 10 from inside to outside, trowelling, pouring micro-expansion high-strength mortar 12 into the grouting holes 11 in the interior one by one until reaching the bottom of the hand hole 6 of the first precast concrete member 1, installing a steel gasket 13 in the hand hole 6, screwing and fixing the prestressed reinforcement 8 with a nut 14, sealing the holes where the hand hole 6 and the round head hanging nail 4 are located with sealing mortar, and placing the third precast concrete member 3.

While the utility model has been described with respect to specific embodiments thereof, it will be appreciated that the utility model is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The precast concrete aviation air conditioner ground well structure is characterized by comprising a first precast concrete member and a second precast concrete member which are square structures, wherein hollow cavities which are square bodies are formed in the first precast concrete member and the second precast concrete member, an opening of the first precast concrete member faces upwards, an opening of the second precast concrete member faces downwards, a wellhead is arranged in the middle of the top of the first precast concrete member, and a third precast concrete member covers the wellhead of the first precast concrete member;

the corrugated pipes are vertically arranged in the side wall of the first precast concrete member and penetrate through the first precast concrete member; a plurality of threaded sleeves which are in one-to-one correspondence with the corrugated pipes are uniformly embedded around the side wall of the second precast concrete member, and the threaded sleeves are vertically arranged in the side wall of the second precast concrete member; the lower part of the prestressed reinforcement passes through the corrugated pipe and is in threaded connection with the threaded sleeve, and the upper part of the prestressed reinforcement is fastened to the top of the corrugated pipe by using a steel gasket and a nut;

and the inner edge and the outer edge of the butt joint part of the side walls of the first precast concrete member and the second precast concrete member are respectively provided with a chamfer, and the chamfers are sealed and smoothed by sealing mortar after the butt joint of the first precast concrete member and the second precast concrete member, so that an inner waterproof structure and an outer waterproof structure are formed.

2. The precast concrete aviation air conditioning ground well structure according to claim 1, characterized in that grouting holes are arranged in a range of 150-200 mm from the bottom of the first precast concrete member (1), the grouting holes are positioned on the inner side of the first precast concrete member close to the hollow cavity, and the grouting holes are horizontally arranged and communicated with the corrugated pipe.

3. The precast concrete air conditioning floor pit structure of claim 2, wherein the top of the first precast concrete member is provided with a hand hole at a position corresponding to the bellows, and the steel washer and the nut are located in the hand hole.

4. The precast concrete air conditioning ground well structure according to claim 1, wherein four round head hanging nails are pre-buried at the top of the first precast concrete member for hanging the first precast concrete member.

5. The precast concrete aviation air conditioning ground well structure of claim 1, wherein the lower portion of the second precast concrete member is peripherally adhered with a water-swellable adhesive tape.

6. The precast concrete aviation air conditioning ground well structure of claim 1, wherein micro-expansion high-strength mortar is poured into a reserved pore canal where the corrugated pipe is located.