Prefabricated assembly type reinforced concrete valve well

Abstract

The utility model relates to the technical field of valve wells, and provides a prefabricated assembly type reinforced concrete valve well which comprises a bottom plate, a prefabricated well chamber hoisted above the bottom plate, a cover plate arranged above the prefabricated well chamber and water supply pipes installed on the two sides of the prefabricated well chamber, and the prefabricated well chamber comprises a first well chamber, a second well chamber and a third well chamber which are sequentially stacked; according to the utility model, the prefabricated well chamber is assembled, the two steel rings are mounted in the inner edge of the second top ring of the second well chamber, and the positioners corresponding to the positioning holes are placed on the two steel rings, so that the positioning bolts can be screwed with the threaded holes in the stirrups and then transversely penetrate through the insertion holes in the inner edge of the second top ring and the insertion holes in the outer edge of the second top ring; the second well chamber body and the third well chamber body are positioned through the steel rings, then the stirrups and the two steel rings are bound and fixed through binding wires, pouring forming is conducted after a formwork is erected in the second well chamber body, reinforced connection of the second well chamber body and the third well chamber body is achieved, and the problem that in the prior art, module bricks are difficult to assemble one by one is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve wells, and in particular to a prefabricated assembled reinforced concrete valve well. Background Art

[0002] Valve wells, also known as inspection wells, are an important part of municipal pipelines. They are set up for the maintenance and easy installation of urban underground infrastructure such as power supply, water supply, drainage, sewage, communications, cable TV, gas pipes, and street light lines.

[0003] After searching, the announcement number CN218204556U discloses a prefabricated and assembled reinforced concrete inspection well, including a well seat and modular bricks. A plurality of modular bricks are arranged on the inner side of the well seat. The modular bricks include an outer brick plate, an inner brick plate and a connecting block. An inner brick plate is arranged on one side of the outer brick plate, and two connecting blocks are arranged between the outer brick plate and the inner brick plate. An end slot is provided at one end of the outer brick plate and the inner brick plate, and an end block is provided at the other end of the outer brick plate and the inner brick plate. A side block is fixed on the upper side of the inner brick plate, and a side slot is provided on the lower side of the inner brick plate. This prefabricated and assembled reinforced concrete inspection well first makes a concrete prefabricated well seat, and modular bricks are arranged on the inner side of the concrete prefabricated well seat. The modular bricks are used to build a circular well wall structure. The overall structure adopts a modular design, which is convenient for transportation to the construction site for assembly.

[0004] However, the above-mentioned prefabricated and assembled reinforced concrete inspection well still has the following problems: when assembling the above-mentioned prefabricated and assembled reinforced concrete inspection well, the concrete prefabricated well seat is first placed in the bottom of the well, and then the module bricks are spliced in sequence on the inner side of the concrete prefabricated well seat, so that the outer brick plate is close to the inner wall of the well seat, and the end block on the rear module brick is stuck in the end groove on the front module brick, and then the steel bars are laid into a circular disk and laid in the transverse ring reinforcement groove, and then the module bricks are continued to be assembled until the overall inspection well structure is formed. As the depth of the inspection well increases, the assembly amount of module bricks gradually increases, thereby increasing the difficulty of construction. Utility Model Content

[0005] The utility model provides a prefabricated assembled reinforced concrete valve well, which solves the problem in the prior art that it is difficult to assemble modular bricks one by one.

[0006] The technical solution of the utility model is as follows: a prefabricated and assembled reinforced concrete valve well, comprising a base plate, a prefabricated well chamber hoisted above the base plate, a cover plate placed above the prefabricated well chamber, and water supply pipes installed on both sides of the prefabricated well chamber, the prefabricated well chamber comprising well chamber one, well chamber two and well chamber three stacked in sequence, the cover plate being installed above well chamber three, a gasket being installed between well chamber three and the cover plate, a reinforcement structure being arranged between well chamber two and well chamber three, the reinforcement structure comprising two steel rings arranged up and down, and a number of positioners evenly distributed on the two steel rings.

[0007] Preferably, the positioner includes a stirrup, the stirrup is C-shaped, the stirrup is fixed to two steel rings by a wire tie, and a positioning bolt is threadedly connected to the middle position of the stirrup.

[0008] Preferably, an annular groove is provided on the top of the bottom plate.

[0009] Preferably, the bottom of the well chamber 1 is provided with a first bottom ring that cooperates with the annular groove, and the top of the well chamber 1 is provided with a first top ring outer edge and a first top ring inner edge, and a first annular groove is formed between the first top ring outer edge and the first top ring inner edge.

[0010] Preferably, pipe holes for axial passage of two water supply pipes are provided on both sides of the bottom of the well chamber 2, a second bottom ring adapted to the first annular groove is provided at the bottom of the well chamber 2, a second top ring outer edge and a second top ring inner edge are provided at the top of the well chamber 2, and a second annular groove is formed between the second top ring outer edge and the second top ring inner edge.

[0011] Preferably, the outer edge of the second top ring and the inner edge of the second top ring are provided with insertion holes for the positioning bolts to pass through, the insertion hole on the inner edge of the second top ring is a through hole, and the insertion hole on the outer edge of the second top ring is a non-through hole.

[0012] Preferably, the bottom of the well chamber three is provided with a third bottom ring adapted to the second annular groove, and the third bottom ring is provided with a positioning hole for the positioning bolt to pass through, and the top of the well chamber three is provided with a third top ring inner edge and a third top ring outer edge, and a third annular groove is formed between the third top ring inner edge and the third top ring outer edge.

[0013] Preferably, an inspection port is provided at the top of the cover plate, and a bottom ring inner edge is provided at the bottom of the cover plate that is adapted to the third annular groove. The outer diameter of the outer edge of the third top ring is smaller than the outer diameter of the well chamber three to form an outer ring groove for sleeved gaskets, and the outer side of the bottom ring inner edge is provided with a bottom ring outer edge for pressing the gasket.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model uses a prefabricated well chamber assembly method, and installs two steel rings inside the inner edge of the second top ring of the well chamber. Positioners corresponding to the positioning holes are placed on the two steel rings. The positioning bolts can be screwed into the threaded holes on the stirrups and then horizontally passed through the insertion holes on the inner edge of the second top ring and the outer edge of the second top ring to achieve the positioning of the well chambers two and three. The stirrups are then tied and fixed to the two steel rings by tying wires. After supporting the formwork in the well chamber two, the casting is performed to achieve a reinforced connection between the well chambers two and three. This solves the problem in the prior art that the well chambers are difficult to assemble piece by piece from modular bricks.

[0016] 2. In the present invention, the overall height of the valve well is adjusted in combination by increasing the number of well chambers and gaskets. The adjustment method is to increase or decrease the number of well chambers for primary adjustment and increase or decrease the number of gaskets for secondary adjustment, thereby being suitable for the installation of valve wells of different depths. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the cylindrical prefabricated reinforced concrete valve well structure proposed in the utility model;

[0019] Figure 2 This is a schematic diagram of the square column prefabricated reinforced concrete valve well structure proposed in the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the cylindrical prefabricated reinforced concrete valve well proposed in the present invention;

[0021] Figure 4 This is a schematic diagram of the disassembled structure of the cylindrical prefabricated reinforced concrete valve well proposed in the utility model;

[0022] Figure 5 This is a schematic diagram of the disassembled half-section structure of the cylindrical prefabricated reinforced concrete valve well proposed in the utility model;

[0023] Figure 6 This is a schematic diagram of the second structure of the cylindrical well chamber proposed in the present utility model;

[0024] Figure 7 This is a schematic diagram of the reinforcement structure proposed by the utility model;

[0025] In the figure: 1. bottom plate; 11. annular groove; 2. well chamber 1; 21. first bottom ring; 22. outer edge of first top ring; 23. inner edge of first top ring; 3. well chamber 2; 31. pipe hole; 32. second bottom ring; 33. outer edge of second top ring; 34. inner edge of second top ring; 4. well chamber 3; 41. third bottom ring; 42. positioning hole; 43. inner edge of third top ring; 44. outer edge of third top ring; 5. cover plate; 51. inspection port; 52. inner edge of bottom ring; 53. outer edge of bottom ring; 6. water supply pipe; 7. gasket; 8. reinforcement structure; 81. steel ring; 82. locator; 821. stirrup; 822. positioning bolt. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1 、 Figure 2 and Figure 3 The present invention provides a technical solution: a prefabricated reinforced concrete valve well, comprising a base plate 1, a prefabricated well chamber hoisted above the base plate 1, a cover plate 5 placed above the prefabricated well chamber, and water supply pipes 6 installed on both sides of the prefabricated well chamber. The present invention is divided into two types according to shape: cylindrical and square column. The overall height of the valve well is adjusted by increasing the number of well chambers and gaskets 7. The base plate 1, the prefabricated well chamber, and the cover plate 5 are all made of concrete with a grade of C30 and an impermeability grade of P6. The specifications of the prefabricated reinforced concrete valve well are determined according to the valve diameter. Among them, the DN100-DN300 valve well adopts a circular valve well; the DN400-DN1000 valve well adopts a rectangular valve well. It is recommended to select according to the following table:

[0028] Valve Type Plane net size Well chamber clear height DN100, DN150 gate valve Cylindrical Φ1200mm 1400mm DN200, DN300 gate valves Cylindrical Φ1400mm 1450 / 1750mm DN400, DN500 butterfly valve Square column 1500×2000mm 2000mm DN600 butterfly valve Square column 1800×2400mm 2050mm DN800, DN1000 butterfly valve Square column 1800×2400mm 2850mm

[0029] like Figure 4 and Figure 5 As shown, the prefabricated well chamber includes well chamber 1 2, well chamber 2 3 and well chamber 3 4 stacked in sequence, a cover plate 5 is installed on top of well chamber 3 4, a gasket 7 is installed between well chamber 3 4 and the cover plate 5, and a reinforcement structure 8 is provided between well chamber 2 3 and well chamber 3 4. The reinforcement structure 8 includes two steel rings 81 arranged upper and lower, and a number of positioners 82 evenly distributed on the two steel rings 81.

[0030] See also Figure 6 and Figure 7The locator 82 includes a stirrup 821, which is C-shaped. The stirrup 821 is fixed to the two steel rings 81 by a wire tie, and a positioning bolt 822 is threadedly connected to the middle position of the stirrup 821.

[0031] Furthermore, an annular groove 11 is provided on the top of the bottom plate 1, and a first bottom ring 21 matching the annular groove 11 is provided on the bottom of the well chamber 2, so as to realize the upper and lower snap-fit installation of the well chamber 2 and the bottom plate 1.

[0032] The top of well chamber 1 2 is provided with a first top ring outer edge 22 and a first top ring inner edge 23, and a first annular groove is formed between the first top ring outer edge 22 and the first top ring inner edge 23. Pipe holes 31 for two water supply pipes 6 to pass axially are opened on both sides of the bottom of well chamber 2 3 to realize the installation of water supply pipes 6. The bottom of well chamber 2 3 is provided with a second bottom ring 32 that is adapted to the first annular groove, and the top of well chamber 2 3 is provided with a second top ring outer edge 33 and a second top ring inner edge 34, and a second annular groove is formed between the second top ring outer edge 33 and the second top ring inner edge 34 to realize the upper and lower clamping installation of well chamber 2 3 and well chamber 1 2.

[0033] Furthermore, the outer edge 33 of the second top ring and the inner edge 34 of the second top ring are provided with insertion holes for the positioning bolt 822 to pass through. The insertion hole on the inner edge 34 of the second top ring is a through hole, and the insertion hole on the outer edge 33 of the second top ring is a non-through hole. The non-through hole design of the outer edge 33 of the second top ring can play an anti-seepage role and improve the waterproof ability. The bottom of the well chamber three 4 is provided with a third bottom ring 41 that is compatible with the second annular groove to realize the upper and lower snap-fit installation of the well chamber three 4 and the well chamber two 3.

[0034] Furthermore, a positioning hole 42 for the positioning bolt 822 to pass through is provided on the third bottom ring 41, and a third top ring inner edge 43 and a third top ring outer edge 44 are provided on the top of the well chamber three 4, and a third annular groove is formed between the third top ring inner edge 43 and the third top ring outer edge 44. An inspection port 51 is provided on the top of the cover plate 5, and a bottom ring inner edge 52 adapted to the third annular groove is provided at the bottom of the cover plate 5, thereby realizing the upper and lower locking installation of the cover plate 5 and the well chamber three 4.

[0035] The outer diameter of the third top ring outer edge 44 is smaller than the outer diameter of the well chamber three 4 to form an outer ring groove for sleeve gasket 7. The outer side of the bottom ring inner edge 52 is provided with a bottom ring outer edge 53 for pressing gasket 7. The overall height of the valve well is adjusted by increasing the number of well chambers and gaskets 7. The adjustment method adopts a primary adjustment by increasing or decreasing the number of well chambers three 4, and a secondary adjustment by increasing or decreasing the number of gaskets 7, which is suitable for the installation of valve wells of different depths.

[0036] The specific installation steps of this utility model are as follows: before installation, the debris around the valve wellhead should be cleaned and the bottom of the well should be leveled with gravel;

[0037] The first step is to hoist the base plate 1, and keep the axis of the reserved opening of the on-site valve well consistent with the axis of the well chamber pipeline.

[0038] The second step is to hoist the well chamber, hoist the well chamber 1 2, well chamber 2 3, well chamber 3 4 on the bottom plate 1 in sequence, so that the top and bottom edges of the well chamber 1 2, well chamber 2 3, well chamber 3 4 are interlocked with each other, and the gap position of the interlocking part is treated with M10 waterproof cement slurry, and then check the installation level and verticality, and then insert the water supply pipe 6 into the reserved pipe hole 31 between the well chamber 1 2 and the well chamber 2 3, and install it in the inner edge 34 of the second top ring of the well chamber 2 3. Two steel rings 81 are placed with positioners 82 corresponding to the positioning holes 42 on the two steel rings 81. After the positioning bolts 822 are screwed into the threaded holes on the stirrups 821, they are passed horizontally through the jackspots on the inner edge 34 of the second top ring and the outer edge 33 of the second top ring to realize the positioning of the well chamber 2 3 and the well chamber 3 4. Then, the stirrups 821 and the two steel rings 81 are tied and fixed with wire, and the mold is supported in the well chamber 2 3 and then cast into shape to realize the reinforced connection between the well chamber 2 3 and the well chamber 3 4.

[0039] The third step is to hoist the cover plate 5. Before hoisting, a certain number of gaskets 7 are laid according to the set height, and then the cover plate 5 is hoisted above the uppermost well chamber. The fitting position between the cover plate 5 and the uppermost well chamber is treated with M10 waterproof cement mortar.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A prefabricated reinforced concrete valve well, comprising a base plate (1), a prefabricated well chamber hoisted above the base plate (1), a cover plate (5) placed above the prefabricated well chamber, and water supply pipes (6) installed on both sides of the prefabricated well chamber, characterized in that: The prefabricated well chamber comprises a well chamber 1 (2), a well chamber 2 (3) and a well chamber 3 (4) stacked in sequence, the cover plate (5) is installed on the top of the well chamber 3 (4), a gasket (7) is installed between the well chamber 3 (4) and the cover plate (5), a reinforcement structure (8) is arranged between the well chamber 2 (3) and the well chamber 3 (4), and the reinforcement structure (8) comprises two steel rings (81) arranged up and down, and a plurality of positioners (82) evenly distributed on the two steel rings (81).

2. The prefabricated reinforced concrete valve well according to claim 1, characterized in that: The positioner (82) comprises a stirrup (821), the stirrup (821) is C-shaped, the stirrup (821) is fixed to the two steel rings (81) by means of a wire tie, and a positioning bolt (822) is threadedly connected to the middle position of the stirrup (821).

3. The prefabricated reinforced concrete valve well according to claim 2, characterized in that: An annular groove (11) is provided on the top of the bottom plate (1).

4. The prefabricated reinforced concrete valve well according to claim 3, characterized in that: The bottom of the well chamber 1 (2) is provided with a first bottom ring (21) that matches the annular groove (11), and the top of the well chamber 1 (2) is provided with a first top ring outer edge (22) and a first top ring inner edge (23), and a first annular groove is formed between the first top ring outer edge (22) and the first top ring inner edge (23).

5. The prefabricated reinforced concrete valve well according to claim 4, characterized in that: The bottom of the second well chamber (3) is provided with pipe holes (31) on both sides for two water supply pipes (6) to pass axially, the bottom of the second well chamber (3) is provided with a second bottom ring (32) adapted to the first annular groove, the top of the second well chamber (3) is provided with a second top ring outer edge (33) and a second top ring inner edge (34), and a second annular groove is formed between the second top ring outer edge (33) and the second top ring inner edge (34).

6. The prefabricated reinforced concrete valve well according to claim 5, characterized in that: The outer edge (33) of the second top ring and the inner edge (34) of the second top ring are provided with insertion holes for the positioning bolt (822) to pass through. The insertion hole on the inner edge (34) of the second top ring is a through hole, and the insertion hole on the outer edge (33) of the second top ring is a non-through hole.

7. The prefabricated reinforced concrete valve well according to claim 5, characterized in that: The bottom of the well chamber three (4) is provided with a third bottom ring (41) adapted to the second annular groove, and the third bottom ring (41) is provided with a positioning hole (42) for the positioning bolt (822) to pass through. The top of the well chamber three (4) is provided with a third top ring inner edge (43) and a third top ring outer edge (44), and a third annular groove is formed between the third top ring inner edge (43) and the third top ring outer edge (44).

8. The prefabricated reinforced concrete valve well according to claim 7, characterized in that: The top of the cover plate (5) is provided with an inspection port (51), the bottom of the cover plate (5) is provided with a bottom ring inner edge (52) adapted to the third annular groove, the outer diameter of the third top ring outer edge (44) is smaller than the outer diameter of the well chamber three (4) to form an outer ring groove for sleeve gasket (7), and the outer side of the bottom ring inner edge (52) is provided with a bottom ring outer edge (53) for pressing the gasket (7).

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