CN110924438A

CN110924438A - Prefabricated member of assembled rectangular inspection well

Info

Publication number: CN110924438A
Application number: CN201911243863.0A
Authority: CN
Inventors: 魏正见; 齐秀斌; 钱益光; 王磊; 王翔; 王飞; 张爱国; 王先标
Original assignee: ANHUI JIANCHUAN MUNICIPAL ENGINEERING Co Ltd
Current assignee: ANHUI JIANCHUAN MUNICIPAL ENGINEERING Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-03-27

Abstract

The invention discloses an assembled rectangular inspection well prefabricated member, which comprises a well chamber prefabricated member and a well shaft prefabricated member, wherein the well chamber prefabricated member comprises a well chamber lower part, a well chamber middle part, a well chamber upper part and a well chamber cover plate prefabricated member which are sequentially overlapped from bottom to top; the well chamber cover plate is provided with an opening, and the shaft adjusting block is lapped at the opening position of the well chamber cover plate. The invention adopts an assembly type structure, is formed separately firstly and then assembled in sequence on the construction site, thereby effectively reducing the construction difficulty and improving the construction efficiency; in addition, when the prefabricated part is assembled, all parts of the prefabricated part can be stably and firmly connected, the prefabricated part is not easy to shake, construction quality is guaranteed, the well chamber part can guarantee good sealing performance, and the well chamber water seepage phenomenon is effectively prevented.

Description

Prefabricated member of assembled rectangular inspection well

Technical Field

The invention relates to the technical field of municipal road construction, in particular to an assembled rectangular inspection well prefabricated member.

Background

The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.

The inspection well generally comprises an integrated type and a fabricated type, and the integrated type is more used at present because the fabricated type inspection well has two defects in construction: (1) the construction difficulty is high, and the efficiency is low; (2) the stability of well chamber structure after the assembly, leakproofness are relatively poor, easily rock, especially to reinforced concrete inspection shaft. For this reason, structural improvement of the existing fabricated reinforced concrete manhole is required.

Disclosure of Invention

The invention aims to provide an assembly type rectangular inspection well prefabricated member, which overcomes the defects of high construction difficulty, low efficiency and poor stability and sealing performance of a well chamber structure after assembly of the conventional assembly type reinforced concrete inspection well.

The invention realizes the purpose through the following technical scheme:

the prefabricated assembly type rectangular inspection well comprises a well chamber prefabricated member and a well shaft prefabricated member, wherein the well chamber prefabricated member comprises a well chamber lower part, a well chamber middle part, a well chamber upper part and a well chamber cover plate prefabricated member which are sequentially overlapped from bottom to top, pipeline connectors are arranged at overlapped positions of the well chamber lower part and the well chamber middle part, the well shaft prefabricated member comprises a well shaft adjusting block and a well ring prefabricated member which are sequentially overlapped from bottom to top, a lateral through hole is formed in the well shaft adjusting block, and a well cover is fixedly connected to the top end of the well ring;

the well chamber cover plate is provided with an opening, and the shaft adjusting block is lapped at the opening position of the well chamber cover plate.

The further improvement lies in, all through first connecting portion overlap joint between each prefab in the well room prefab, first connecting portion are including the sand grip that is located top prefab bottom to and be located the recess on below prefab top, the inside of sand grip is equipped with the injected hole, injected hole one end extends to the sand grip bottom surface, and the other end extends to the prefab inner wall, the longitudinal thickness of sand grip is less than the longitudinal depth of recess, leaves the space in the recess behind in the sand grip embedding recess, the injected hole is used for injecting the concrete in the space.

The further improvement lies in that the cross section of each convex strip is in an inverted trapezoid shape.

The further improvement is that the inner part of each convex strip is provided with a grouting hole every 20-30 cm.

The improved structure is characterized in that the shaft prefabricated member is overlapped through second connecting parts between a shaft adjusting block and a shaft ring and between the shaft adjusting block and a well chamber cover plate, the second connecting parts comprise an outer convex edge located at the bottom end of the upper prefabricated member and an inner convex edge located at the top end of the lower prefabricated member, and the outer convex edge and the inner convex edge are meshed in a staggered mode.

The further improvement lies in that the outside limit of outside protruding edge is parallel and level with the outer wall of prefab, the inboard limit of inboard protruding edge is parallel and level with the inner wall of prefab, and the inboard limit of outside protruding edge has the face of buckling that matches each other with the outside limit of inboard protruding edge.

In a further improvement, the wellbore conditioning block comprises one or more of the wellbore conditioning blocks.

The improved manhole cover is characterized in that the manhole ring is provided with embedded bolts, and the manhole cover is connected with the manhole ring into a whole through the embedded bolts.

In a further improvement, the bottom end of the well cover plate is formed with a cover plate beam at the position of the opening edge.

The improved structure is characterized in that the bottom end of the lower part of the well chamber is fully provided with convex columns, and the top end of the lower part of the well chamber is provided with a pipeline supporting block.

The invention has the beneficial effects that: the prefabricated part of the inspection well is divided into a well chamber lower part, a well chamber middle part, a well chamber upper part, a well chamber cover plate, a shaft adjusting block, a well ring and the like, and is formed separately and then assembled in sequence on a construction site, so that the construction difficulty is effectively reduced, and the construction efficiency is improved; in addition, when the prefabricated part is assembled, all parts of the prefabricated part can be stably and firmly connected, the prefabricated part is not easy to shake, construction quality is guaranteed, the well chamber part can guarantee good sealing performance, and the well chamber water seepage phenomenon is effectively prevented.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

in the figure: 1. the lower part of the well chamber; 2. the middle part of the well chamber; 3. the upper part of the well chamber; 4. a well chamber cover plate; 5. a pipe interface; 6. a wellbore conditioning block; 7. a well ring; 8. a lateral through opening; 9. a well cover; 10. an opening; 11. a first connection portion; 111. a convex strip; 112. a groove; 113. grouting holes; 114. a void; 12. a second connecting portion; 121. an outer convex edge; 122. an inner convex edge; 13. embedding bolts in advance; 14. a deck beam; 15. a convex column; 16. a pipeline supporting block.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 and 2, the prefabricated assembly type rectangular inspection well comprises a well chamber prefabricated member and a well shaft prefabricated member, wherein the well chamber prefabricated member comprises a well chamber lower part 1, a well chamber middle part 2, a well chamber upper part 3 and a well chamber cover plate 4 prefabricated member which are sequentially overlapped from bottom to top, a pipeline connector 5 is arranged at the overlapped position of the well chamber lower part 1 and the well chamber middle part 2, the well shaft prefabricated member comprises a well shaft adjusting block 6 and a well ring 7 prefabricated member which are sequentially overlapped from bottom to top, a lateral through hole 8 is formed in the well shaft adjusting block 6, and a well cover 9 is fixedly connected to the top end of the well ring 7; the well chamber cover plate 4 is provided with an opening 10, the opening 10 is generally positioned at one corner of the well chamber cover plate 4, and the shaft adjusting block 6 is lapped at the position of the opening 10 of the well chamber cover plate 4, so that the well chamber prefabricated member and the shaft prefabricated member are assembled.

Wherein, all through 11 overlap joints of first connecting portion between each prefab in the well chamber prefab, first connecting portion 11 is including the sand grip 111 that is located top prefab bottom, and be located the recess 112 on below prefab top, the inside of sand grip 111 is equipped with injected

hole

113, 113 one ends in injected hole extend to sand grip 111 bottom surface, the other end extends to the prefab inner wall, the longitudinal thickness of sand grip 111 is less than the longitudinal depth of recess 112, leave space 114 in recess 112 after sand grip 111 imbeds in the recess 112, injected hole 113 is used for injecting the concrete for in the space 114. The cross section of the convex strip 111 is in an inverted trapezoid shape, so that the insertion is convenient; the inner part of the convex strip 111 is provided with a grouting hole 113 every 20-30 cm.

Wherein, the shaft adjusting block 6 and the walling crib 7 in the shaft prefabricated member and the shaft adjusting block 6 and the well chamber cover plate 4 are all lapped through the second connecting part 12, the second connecting part 12 comprises an outer side convex edge 121 positioned at the bottom end of the prefabricated member above and an inner side convex edge 122 positioned at the top end of the prefabricated member below, and the outer side convex edge 121 and the inner side convex edge 122 are in malposition occlusion. Specifically, the outside limit of the protruding edge 121 in the outside is parallel and level with the outer wall of prefab, the inboard side of the protruding edge 122 in inboard is parallel and level with the inner wall of prefab, and the protruding inboard side of edge 121 in the outside has the face of buckling of matcing each other with the protruding outside limit of edge 122 in inboard, can automatic alignment when the overlap joint like this, and can not rock basically, the whole level and smooth pleasing to the eye of prefab inner wall.

In particular, one or more of the wellbore conditioning blocks 6 are provided, depending on the desired height of the wellbore. Be equipped with buried bolt 13 in advance on the walling crib 7, the well lid 9 is connected as an organic wholely through buried bolt 13 and walling crib 7 in advance, can effectively prevent that the well lid 9 is stolen like this. The bottom end of the well cover plate 4 is formed with a cover plate beam 14 at the position of the edge of the opening 10 for reinforcement. The bottom of well room lower part 1 is covered with projection 15 for take place the slip when avoiding well room lower part 1 to install, and the top of well room lower part 1 is equipped with pipeline tray 16, is used for the bearing branch pipe, the construction of being convenient for.

During assembly, firstly filling gravels in the grooves, compacting, then sequentially installing the lower part 1 of the well chamber, the middle part 2 of the well chamber, the upper part 3 of the well chamber and the cover plate 4 of the well chamber, then injecting concrete slurry into gaps 114 among all the parts through all the grouting holes 113 until all the grouting holes 113 are filled with the concrete slurry, then inserting branch pipes into the pipeline connectors 5, filling gaps outside the pipe orifices with the concrete slurry, finally lapping the shaft adjusting blocks 6 and the shaft rings 7 to the top of the well chamber, installing devices such as anti-falling nets, anti-falling well grates and the like in the shaft, completing assembly, and finally backfilling the parts below a road structure layer with materials such as lime soil, gravel and the like.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. An assembled rectangle inspection shaft prefab, includes well chamber prefab and pit shaft prefab, its characterized in that: the well chamber prefabricated part comprises a well chamber lower part (1), a well chamber middle part (2), a well chamber upper part (3) and a well chamber cover plate (4) which are sequentially overlapped from bottom to top, a pipeline connector (5) is arranged at the overlapped position of the well chamber lower part (1) and the well chamber middle part (2), the well chamber prefabricated part comprises a well shaft adjusting block (6) and a well ring (7) which are sequentially overlapped from bottom to top, a lateral through hole (8) is formed in the well shaft adjusting block (6), and the top end of the well ring (7) is fixedly connected with a well cover (9);

an opening (10) is formed in the well chamber cover plate (4), and the shaft adjusting block (6) is lapped at the position of the opening (10) of the well chamber cover plate (4).

2. The fabricated rectangular manhole preform of claim 1, wherein: all through first connecting portion (11) overlap joint between each prefab in the well room prefab, first connecting portion (11) are including sand grip (111) that are located the top prefab bottom to and be located recess (112) on below prefab top, the inside of sand grip (111) is equipped with injected hole (113), injected hole (113) one end extends to sand grip (111) bottom surface, and the other end extends to the prefab inner wall, the longitudinal thickness of sand grip (111) is less than the longitudinal depth of recess (112), leaves space (114) in recess (112) after sand grip (111) embedding recess (112), injected hole (113) are used for injecting the concrete in space (114).

3. The fabricated rectangular manhole preform of claim 2, wherein: the cross section of each convex strip (111) is in an inverted trapezoid shape.

4. The fabricated rectangular manhole preform of claim 2, wherein: and grouting holes (113) are formed in the raised strips (111) every 20-30 cm.

5. The fabricated rectangular manhole preform of claim 1, wherein: well bore regulating block (6) and walling crib (7) in the pit shaft prefab and well bore regulating block (6) and well chamber apron (4) between all overlap joint through second connecting portion (12), second connecting portion (12) are protruding along (121) including the outside that is located the prefab bottom of top to and be located inboard protruding along (122) on below prefab top, protruding along (121) and inboard protruding along (122) dislocation interlock in the outside.

6. The fabricated rectangular manhole preform of claim 5, wherein: the outer side edge of the outer side convex edge (121) is flush with the outer wall of the prefabricated member, the inner side edge of the inner side convex edge (122) is flush with the inner wall of the prefabricated member, and the inner side edge of the outer side convex edge (121) and the outer side edge of the inner side convex edge (122) are provided with mutually matched bending surfaces.

7. The fabricated rectangular manhole preform of claim 1, wherein: the shaft adjusting block (6) is one or more.

8. The fabricated rectangular manhole preform of claim 1, wherein: be equipped with buried bolt (13) in advance on walling crib (7), well lid (9) are connected as an organic wholely through buried bolt (13) in advance and walling crib (7).

9. The fabricated rectangular manhole preform of claim 1, wherein: the bottom end of the well chamber cover plate (4) is provided with a cover plate beam (14) at the position of the edge of the opening (10).

10. The fabricated rectangular manhole preform of claim 1, wherein: the bottom end of the well chamber lower part (1) is fully distributed with convex columns (15), and the top end of the well chamber lower part (1) is provided with a pipeline supporting block (16).