CN210031914U

CN210031914U - Assembled inspection shaft

Info

Publication number: CN210031914U
Application number: CN201920466441.9U
Authority: CN
Inventors: 艾姣龙; 周少华; 苏军; 林斌; 刘锐
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-07
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses an assembled inspection well, which comprises a well chamber, a shaft (2), a well chamber cover plate (3), and an upper rabbet (4) and a lower rabbet (5) which are matched with each other, wherein the well chamber comprises a top section (11), one or a plurality of standard sections (12) and a bottom section (13); the top of the bottom section is provided with an upper tongue-and-groove, the top and the bottom of the standard section are provided with an upper tongue-and-groove and a lower tongue-and-groove, the standard section (12) is spliced into a buried depth standard section in sequence through the upper tongue-and-groove and the lower tongue-and-groove, and the buried depth standard section is matched and installed with the bottom section through the upper tongue-and-groove and the lower tongue-and-groove; the bottom of the top section is provided with a lower rabbet, and the top section is arranged on the buried standard section through the lower rabbet and the upper rabbet in a matching manner; the well chamber cover plate is installed on the top of the top section in a matching mode, and the shaft is arranged on the well chamber cover plate and communicated with the well chamber. The utility model discloses can adopt the assembled construction with prefabricated well room, pit shaft and well room apron, improve efficiency of construction and quality, can satisfy the well room buried depth requirement, reduce construction cost.

Description

Assembled inspection shaft

Technical Field

The utility model relates to a municipal administration plumbing construction field especially relates to an assembled inspection shaft.

Background

The inspection well is used for maintaining power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, is convenient to install and is arranged, and the inspection well is arranged at a certain distance, so that auxiliary structures can be conveniently and periodically inspected.

At present, inspection wells for water supply and drainage and other pipeline engineering are constructed by adopting bricking or reinforced concrete cast-in-situ after earth excavation. Such conventional methods mainly have the following problems:

1) and when the inspection well is buried deeply, foundation pit support is needed, otherwise, slope collapse is easily caused, and the danger coefficient is high.

2) And the inspection well adopts a cast-in-place reinforced concrete structure or a brick structure, so that the material organization is difficult, the construction quality is poor and the efficiency is low.

Disclosure of Invention

An object of the utility model is to provide an assembled inspection shaft can adopt the assembled construction with prefabricated well room, pit shaft and well room apron, improves efficiency of construction and quality, can satisfy the well room buried depth requirement, reduces construction cost.

The utility model discloses a realize like this:

an assembled inspection well comprises a well chamber, a shaft, a well chamber cover plate and an upper rabbet and a lower rabbet which are matched with each other, wherein the well chamber comprises a top section, one section or a plurality of sections of standard sections and a bottom section; a U-shaped notch is reserved on the bottom section, the bottom section is used as a foundation pit support and fixed at the bottom of the well, and an upper tongue-and-groove is arranged at the top of the bottom section; the top and the bottom of the standard section are respectively provided with an upper rabbet and a lower rabbet, one or a plurality of standard sections are sequentially matched and spliced into a buried depth standard section through the upper rabbet and the lower rabbet, and the bottom of the buried depth standard section is matched and installed with the bottom section through the lower rabbet and the upper rabbet; the bottom of the top section is provided with a lower rabbet, and the top section is arranged on the buried standard section through the lower rabbet and the upper rabbet in a matching manner; the well chamber cover plate is installed on the top of the top section in a matching mode, and the shaft is fixedly arranged on the well chamber cover plate and communicated with the well chamber.

The bottom of the inner wall of the bottom section is provided with a pouring rabbet, the bottom plate and the flow groove are poured in the bottom section, and the bottom plate is embedded into the bottom of a well chamber of the inspection well through the pouring rabbet.

The bottom of the shaft is provided with a waterproof flange, and the well chamber cover plate is provided with a waterproof groove matched with the waterproof flange, so that the shaft is prevented from being matched and installed on the well chamber cover plate.

Waterproof mortar is arranged between the well chamber cover plate and the top of the well chamber.

The thickness of the waterproof mortar is 5 cm.

And a water stop ring is arranged in a splicing seam of the upper rabbet and the lower rabbet.

The top section, the standard section, the bottom section, the shaft and the well chamber cover plate are all factory prefabricated parts.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a sunk well method construction installation, the well room is the sunk well simultaneously and is strutted, does not need the excavation supporting of constructing alone, practices thrift engineering cost.

2. The utility model discloses a well room, well room apron and pit shaft all prefabricated in the mill, can adopt the construction of on-the-spot assembled, and it is convenient to install, and the time limit for a project is short, and construction quality is good.

3. The utility model discloses a height of well room standard festival adjustment inspection shaft can adapt to the inspection shaft requirement of the different degree of depth.

Drawings

FIG. 1 is a sectional view of the fabricated manhole of the present invention;

FIG. 2 is a cross-sectional view of the top section of the fabricated manhole of the present invention;

FIG. 3 is a cross-sectional view of a standard section of the fabricated manhole of the present invention;

FIG. 4 is a cross-sectional view of a bottom section of the fabricated manhole of the present invention;

FIG. 5 is a cross-sectional view of a well bore of the fabricated manhole of the present invention;

fig. 6 is a plan view of the well cover plate of the fabricated manhole of the present invention.

In the figure, 11 top sections, 12 standard sections, 13 bottom sections, 131U-shaped grooves, 2 shafts, 21 waterproof flanges, 3 well cover plates, 31 waterproof grooves, 4 upper grooves and tongues, 5 lower grooves and tongues, 6 pouring grooves and 7 bottom plates and chutes.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 3, the assembled manhole comprises a well chamber, a shaft 2, a well chamber cover plate 3, and an upper rabbet 4 and a lower rabbet 5 which are matched with each other, wherein the well chamber comprises a top section 11, one or more standard sections 12 and a bottom section 13; referring to fig. 4, two downward U-shaped notches 131 are reserved on the bottom section 13 according to the diameter of the pipeline, the bottom section 13 is fixed at the bottom of the well as a foundation pit support, and an upper rabbet 4 is arranged at the top of the bottom section 13; the top and the bottom of the standard knot 12 are respectively provided with an upper rabbet 4 and a lower rabbet 5, one or a plurality of standard knots 12 are sequentially matched and spliced into a buried depth standard knot through the upper rabbet 4 and the lower rabbet 5 according to the buried depth requirement, and the bottom of the buried depth standard knot is matched and installed with a bottom knot 13 through the upper rabbet 4 and the lower rabbet 5; the bottom of the top section 11 is provided with a lower rabbet 5, and the top section 11 is installed on the buried standard section through the lower rabbet 5 and the upper rabbet 4 in a matching way to complete the installation of the well room; the well chamber cover plate 3 is arranged at the top of the top section 11 in a matching way, and the shaft 2 is fixedly arranged on the well chamber cover plate 3 and is communicated with the well chamber.

Referring to fig. 1 and 4, the bottom of the inner wall of the bottom section 13 is provided with a pouring rabbet 6, the bottom plate and the chute 7 are poured in the bottom section 13 for the second time through plain concrete, and the bottom plate is embedded into the bottom of the well chamber of the inspection well through the pouring rabbet 6 to play a role in water prevention. Preferably, the height of the pouring rabbet 6 is 15 cm.

Referring to fig. 5 and fig. 6, a waterproof flange 21 is provided at the bottom of the shaft 2, and a waterproof groove 31 matching with the waterproof flange 21 is provided on the well cover plate 3 to prevent the shaft 2 from being mounted on the well cover plate 3 in a matching manner, so as to achieve a waterproof effect. Preferably, the waterproof flange 21 has a height of 3cm and a thickness of 3 cm.

Waterproof mortar (not shown in the figure) is arranged between the well chamber cover plate 3 and the top of the well chamber, the waterproof mortar can play a waterproof role, and preferably, the thickness of the waterproof mortar is 5 cm.

A water stop ring (not shown in the figure) is arranged in a splicing seam of the upper rabbet 4 and the lower rabbet 5, and preferably, the water stop ring made of rubber can be adopted to play a role of water prevention.

The top section 11, the standard section 12, the bottom section 13, the shaft 2 and the well chamber cover plate 3 are factory prefabricated parts, are convenient to process and transport, can be sunk and installed according to the burial depth requirement of the inspection well after being transported to the site, and the standard sections 12 with proper quantity are selected according to the burial depth requirements of different inspection wells so as to meet the construction requirement.

The utility model discloses assembled inspection shaft's concrete construction process as follows:

1. and (3) conveying the well chamber, the shaft and the well chamber cover plate of the inspection well to the site after the prefabrication in a factory is finished, and sinking and installing the inspection well by adopting a sinking well construction method. The wall thickness of the well chamber is 20 cm.

2. The bottom section 13 of the sinking well chamber is positioned, earthwork is excavated in the well, the well chamber is used as a sinking well support, and the height of the inspection well is adjusted by installing one or more standard sections 12 until the height meets the design requirement. A U-shaped notch 131 is reserved on the bottom section 13, so that the bottom section can be matched with a pipeline with the pipe diameter of 100cm for installation.

The bottom section 13, the standard section 12 and the top section 11 of the well room are all connected by an upper rabbet 4 and a lower rabbet 5, and a rubber water stop ring is arranged between the upper rabbet 4 and the lower rabbet 5 for water prevention, so that the construction process is greatly simplified. The lower rabbet 5 is positioned on the outer side of the pipe wall, the upper rabbet 4 is positioned on the inner side of the pipe wall, the thicknesses of the upper rabbet 4 and the lower rabbet 5 are both 10cm and are matched and clamped, so that the bottom section 13, the standard section 12 and the top section 11 are kept coincident with the inner wall and the outer wall when the pipe is installed.

3. After the well chamber sinks to the designed elevation, the bottom plate and the chute 7 are constructed, the bottom plate and the chute 7 are poured for the second time by adopting concrete, and the pouring rabbet 6 with the height of 15cm is arranged on the inner side of the lower part of the pipe wall of the bottom joint 13, so that the bottom plate can be embedded into the well chamber to play a waterproof role, and the height and the form of the chute meet the requirements of related maps.

4. The well chamber cover plate 3 is installed, the diameter of the well chamber cover plate 3 is equivalent to that of the well chamber, and waterproof mortar with the thickness of 5cm is arranged between the well chamber cover plate 3 and the well chamber, so that a good waterproof effect can be achieved between the well chamber and the well chamber cover plate 3.

5. The shaft 2 is installed on the well chamber cover plate 3, the diameter of the shaft 2 is smaller than that of the well chamber and is positioned on the side portion of the well chamber cover plate 3, the waterproof flange 21 of 3 x 3cm is arranged in the middle of the bottom of the shaft 2 and is embedded into the waterproof groove 31 in the corresponding position of the well chamber cover plate 3, and during installation, the waterproof flange 21 is inserted into the waterproof groove 31 to play a waterproof role.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, therefore, any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An assembled inspection shaft, characterized by: the well chamber comprises a well chamber, a shaft (2), a well chamber cover plate (3) and an upper rabbet (4) and a lower rabbet (5) which are matched with each other, wherein the well chamber comprises a top section (11), one or a plurality of standard sections (12) and a bottom section (13); a U-shaped notch (131) is reserved on the bottom section (13), the bottom section (13) is used as a foundation pit support and fixed at the bottom of the well, and an upper rabbet (4) is arranged at the top of the bottom section (13); the top and the bottom of the standard section (12) are respectively provided with an upper rabbet (4) and a lower rabbet (5), one or a plurality of sections of the standard section (12) are sequentially matched and spliced into a buried-depth standard section through the upper rabbet (4) and the lower rabbet (5), and the bottom of the buried-depth standard section is matched and installed with the bottom section (13) through the lower rabbet (5) through the upper rabbet (4); the bottom of the top section (11) is provided with a lower rabbet (5), and the top section (11) is arranged on the buried standard section in a matching way through the lower rabbet (5) and the upper rabbet (4); the well chamber cover plate (3) is installed at the top of the top section (11) in a matching mode, and the shaft (2) is fixedly arranged on the well chamber cover plate (3) and communicated with the well chamber.

2. The fabricated manhole of claim 1 wherein: the bottom of the inner wall of the bottom section (13) is provided with a pouring rabbet (6), the bottom plate and the launder (7) are poured in the bottom section (13), and the bottom plate is embedded into the bottom of a well chamber of the inspection well through the pouring rabbet (6).

3. The fabricated manhole of claim 1 wherein: the bottom of pit shaft (2) be equipped with waterproof flange (21), be equipped with on well room apron (3) with waterproof recess (31) of waterproof flange (21) matching, make pit shaft (2) match and install on well room apron (3).

4. The fabricated manhole as claimed in claim 1 or 3, wherein: waterproof mortar is arranged between the well chamber cover plate (3) and the top of the well chamber.

5. The fabricated manhole of claim 4 wherein: the thickness of the waterproof mortar is 5 cm.

6. The fabricated manhole of claim 1 wherein: and a water stop ring is arranged in a splicing seam of the upper rabbet (4) and the lower rabbet (5).

7. The fabricated manhole of claim 1 wherein: the top section (11), the standard section (12), the bottom section (13), the shaft (2) and the well chamber cover plate (3) are all factory prefabricated parts.