Integrated cast-in-place prefabricated inspection well

Abstract

The present invention discloses an integrated cast-in-place prefabricated inspection well, which belongs to the technical field of inspection wells, and includes a connecting unit and at least one connecting unit which are arranged in sequence. The connecting unit and the connecting unit are sequentially sleeved together and provided with a casting reinforcement piece. The casting reinforcement piece includes a casting body and a casting prefabricated part. The casting prefabricated part is detachably connected to the connecting unit and is provided with a casting through hole. The casting body is arranged in a cavity formed by the casting through hole and the casting blind hole of the connecting unit. The above-mentioned integrated cast-in-place prefabricated inspection well is adopted, and the connecting unit and the connecting unit are sequentially sleeved together and provided with a casting reinforcement piece. During transportation, the connecting unit is arranged in the connecting unit. During construction, the connecting unit is extended and fixed, and mechanical connection and casting connection are performed to improve the connection strength.

Description

Technical Field

[0001] The invention relates to the technical field of inspection wells, and in particular to an integrated cast-in-place prefabricated assembly inspection well. Background Art

[0002] Inspection wells are set up for the convenience of maintenance or installation of urban underground infrastructure such as power supply, water supply, drainage, sewage, communication, cable TV, gas pipes, street light lines, etc. Inspection wells are generally set up at pipeline intersections, bends, places where pipe diameters or slopes change, and at regular intervals on straight pipe sections. Their main function is to facilitate regular inspection of ancillary structures.

[0003] The existing inspection wells are generally set up as one piece or in a split manner and then assembled on site. Both the one-piece and split inspection wells are inconvenient to transport, and the structural strength of the split type assembled on site is poor. After searching, the patent with application number CN202022391000.2 discloses a prefabricated wellbore structure for lifting a rainwater and sewage inspection well, which is installed at the top of the inspection wellbore, including several groups of prefabricated wellbores connected in sequence in the vertical direction, and several of the prefabricated wellbores are consistent with the inner and outer diameters of the inspection wellbore. The prefabricated wellbore at the bottom and the top end face of the inspection well and between the two prefabricated wellbores are provided with positioning limit members, and prefabricated well rings are provided on the circumferential outer side of the prefabricated wellbore. The axial length of the prefabricated well ring is consistent with that of the prefabricated wellbore. Several of the prefabricated well rings are stacked and connected in the vertical direction, and an inspection well cover is provided on the prefabricated wellbore at the top.

[0004] However, the prior art still has the following problems:

[0005] (1) The integrated structure is inconvenient to transport and the overall height cannot be adjusted in the vertical direction, so it needs to be customized. In the split inspection well, the top shaft or well ring also needs to be customized to meet the needs of engineering construction at different heights.

[0006] (2) The connection strength between adjacent components of the split structure is low. Summary of the invention

[0007] The purpose of the present invention is to provide an integrated cast-in-place prefabricated assembled inspection well to solve the above-mentioned technical problems.

[0008] To achieve the above-mentioned objectives, the present invention provides an integrated cast-in-place prefabricated assembled inspection well, comprising a connecting unit and at least one connecting unit arranged in sequence, the connecting unit and the connecting unit are sequentially nested together and provided with a casting reinforcement member, the casting reinforcement member comprises a casting body and a casting prefabricated member, the casting prefabricated member is detachably connected to the connecting unit and is provided with a casting through hole, the casting body is arranged in a cavity formed by the casting through hole and the casting blind hole of the connecting unit.

[0009] Preferably, the connecting unit includes a connecting cylinder with a bottom seal, at least two connecting through holes for connecting pipes are arranged on the circumferential side of the connecting cylinder, a plurality of first adjusting grooves are opened on the inner side of the connecting cylinder, the first adjusting grooves are circumferentially distributed on the inner side of the connecting cylinder, a limiting block is fixed on the top of the first adjusting groove, and a plurality of first fixed annular grooves arranged in parallel are opened on the inner side of the connecting cylinder.

[0010] Preferably, the connecting unit includes a connecting cylinder with openings at both ends, a limiting slider is provided on the circumferential side of the bottom of the connecting cylinder, a sealing ring groove is provided on the circumferential side of the bottom of the connecting cylinder, a sealing ring is provided in the sealing ring groove, a plurality of second adjustment grooves are provided on the inside of the connecting cylinder, the second adjustment grooves are circumferentially distributed on the inside of the connecting cylinder, a limiting block is fixed on the top of the second adjustment groove, and a plurality of second fixed ring grooves arranged in parallel are provided on the inside of the connecting cylinder.

[0011] Preferably, linearly distributed installation positioning holes are provided in the first adjustment slot and the second adjustment slot, and the installation positioning holes are used to install the limit adjustment plate, and the limit adjustment plate is provided with an oblong adjustment hole.

[0012] Preferably, the connecting cylinder is provided with a plurality of circumferentially distributed blind casting holes, which are arranged in the connecting cylinder wall and are in the same direction as the opening of the connecting cylinder wall.

[0013] Preferably, a plurality of circumferentially distributed fixing grooves are provided on the circumferential side of the connecting cylinder, a casting prefabricated part is arranged in the fixing groove, the casting prefabricated part is a strip prefabricated plate with a butterfly-shaped cross-section, and the casting through holes and the casting blind holes provided in the strip prefabricated plate are arranged opposite to each other.

[0014] Preferably, a plurality of circumferentially distributed fixing grooves are provided on the circumferential side of the connecting cylinder, butterfly-shaped prefabricated fixing plates are arranged in the fixing grooves, casting prefabricated parts are arranged between adjacent butterfly-shaped prefabricated fixing plates, and the casting prefabricated parts are arc-shaped prefabricated parts. The casting through holes and casting blind holes provided on the arc-shaped prefabricated parts are arranged opposite to each other.

[0015] Preferably, the casting prefabricated part includes an arc-shaped connecting part and a square casting part, the arc-shaped connecting part is connected to the circumferential side of the connecting cylinder through a mounting hole and bolts, and the casting through hole formed in the square casting part is arranged opposite to the casting blind hole.

[0016] Preferably, an elastic positioning piece is arranged at the bottom of the limiting sliding block, positioning grooves are provided in the first fixing ring groove and the second fixing ring groove, and the positioning grooves are arranged opposite to the elastic positioning piece.

[0017] Preferably, the elastic positioning member includes a hollow threaded tube, the inner thread of the hollow threaded tube is connected to a mounting plate, the mounting plate is fixedly connected to one end of the positioning spring, the other end of the positioning spring is connected to a positioning ball, and the positioning ball is arranged opposite to the positioning groove.

[0018] Therefore, the present invention adopts the above-mentioned integrated cast-in-place prefabricated assembled inspection well, which has the following beneficial effects: the connecting unit and the connecting unit are sequentially nested together and are provided with casting reinforcement parts, the connecting unit is arranged in the connecting unit during transportation, and the connecting unit is extended and fixed during construction, and mechanical connection and casting connection are performed to improve the connection strength.

[0019] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an exploded view of the integrated cast-in-place prefabricated assembled inspection well of the present invention;

[0021] Figure 2 It is a cross-sectional view of the connecting cylinder of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the elastic positioning member of the present invention;

[0023] Figure 4 It is a schematic cross-sectional view of a strip prefabricated board of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the limit adjustment plate of the present invention;

[0025] Figure 6 This is a schematic diagram of the connecting cylinder structure of Example 2 of the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the arc-shaped prefabricated part of the present invention;

[0027] Figure 8 This is a schematic diagram of the connecting cylinder structure of Example 3 of the present invention.

[0028] Reference numerals

[0029] 1. Connecting cylinder; 11. Connecting through hole; 12. First adjusting slide groove; 13. First fixed ring groove; 14. Casting blind hole; 2. Connecting cylinder; 21. Limiting slider; 22. Sealing ring groove; 23. Second adjusting slide groove; 24. Second fixed ring groove; 25. Fixed groove; 26. Elastic positioning piece; 261. Hollow threaded tube; 262. Mounting plate; 263. Positioning spring; 264. Positioning ball; 3. Casting reinforcement piece; 31. Strip prefabricated plate; 32. Butterfly prefabricated fixed plate; 33. Arc prefabricated piece; 34. Arc connecting part; 35. Square casting part; 36. Casting through hole; 4. Positioning groove; 5. Limiting adjustment plate; 51. Oblong adjustment hole. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] Example 1

[0033] like Figure 1 As shown, the one-piece cast-in-place prefabricated assembled inspection well includes a connecting unit and at least one connecting unit arranged in sequence. In this embodiment, two connecting units are arranged, and the number of connecting units can also be determined based on the actual connecting units, connecting units and engineering construction dimensions.

[0034] The connecting unit and the connecting unit are sequentially sleeved together and provided with a cast reinforcement member 3. During transportation, the connecting unit is inside the connecting unit, which is convenient for transportation. Figure 2 As shown, the connecting unit includes a connecting cylinder 1 with a bottom sealing arrangement, at least two connecting through holes 11 for connecting pipes are arranged on the circumferential side of the connecting cylinder 1, a plurality of first adjusting chutes 12 are opened on the inner side of the connecting cylinder 1, the first adjusting chutes 12 are circumferentially distributed on the inner side of the connecting cylinder 1, a limiting block is fixed on the top of the first adjusting chutes 12, and a plurality of first fixed annular grooves 13 arranged in parallel are opened on the inner side of the connecting cylinder 1. The connecting cylinder 2 is provided with a plurality of circumferentially distributed casting blind holes 14, which are arranged in the connecting cylinder wall and are consistent with the opening direction of the connecting cylinder wall.

[0035] The connecting unit includes a connecting cylinder 2 with openings at both ends, a limit slider 21 is provided on the circumferential side of the bottom of the connecting cylinder 2, a sealing ring groove 22 is provided on the circumferential side of the bottom of the connecting cylinder 2, a sealing ring (not shown in the figure) is provided in the sealing ring groove 22, a plurality of second adjustment grooves 23 are provided on the inner side of the connecting cylinder 2, the second adjustment grooves 23 are circumferentially distributed on the inner side of the connecting cylinder 2, a limit block (not shown in the figure, to prevent the connecting unit from being separated from the first adjustment groove 12) is fixed on the top of the second adjustment groove 23 by bolts, and a plurality of second fixed ring grooves 24 arranged in parallel are provided on the inner side of the connecting cylinder 2.

[0036] In order to improve the overall strength, a casting reinforcement member 3 is also provided. The casting reinforcement member 3 includes a casting body and a casting prefabricated part. The casting prefabricated part is arranged in a fixing groove 25 opened on the circumferential side of the connecting cylinder 2. The fixing grooves 25 are distributed circumferentially, such as Figure 4 As shown, the casting prefabricated part is a strip prefabricated plate 31 with a butterfly-shaped cross section. The casting through hole 36 opened in the strip prefabricated plate 31 is arranged opposite to the casting blind hole 14, and the casting body is arranged in the cavity formed by the casting through hole 36 and the casting blind hole 14 of the connecting unit.

[0037] An elastic positioning member 26 is provided at the bottom of the limiting slider 21. Figure 3 As shown, the elastic positioning member 26 includes a hollow threaded tube 261, and the inner thread of the hollow threaded tube 261 is connected to a mounting plate 262, the mounting plate 262 is fixedly connected to one end of a positioning spring 263, and the other end of the positioning spring 263 is connected to a positioning ball 264, the positioning ball 264 is arranged opposite to the positioning groove 4, and a positioning groove 4 is opened in the first fixed ring groove 13 and the second fixed ring groove 24, and the positioning groove 4 is arranged opposite to the elastic positioning member 26.

[0038] During the construction process, after the connecting unit is fixed, the connecting unit adjacent to the connecting unit is first lifted, and when its limit slider 21 moves to the first fixed ring groove 13 at the relative position, the connecting unit is rotated to make its limit slider 21 enter the first fixed ring groove 13, until the positioning ball 264 in the elastic positioning member 26 is arranged relative to the positioning groove 4, the surface casting through hole 36 is arranged relative to the casting blind hole 14, and the rotation of the connecting unit is stopped, and then the other connecting unit is lifted to the appropriate position and rotated, so that the limit slider 21 enters the second fixed ring groove 24 at the relative position, until the positioning ball 264 in the elastic positioning member 26 is arranged relative to the positioning groove 4, and the overall height adjustment is completed. Then the casting prefabricated parts are installed, and finally concrete is poured into the cavity formed by the casting through hole 36 and the casting blind hole 14 of the connecting unit to form a whole and improve the overall strength.

[0039] In this embodiment, the first adjustment slot 12 and the second adjustment slot 23 are provided with linearly distributed installation positioning holes (not shown in the figure), and the installation positioning holes are used to install the limit adjustment plate 5. Figure 5As shown, the limit adjustment plate 5 is provided with an oblong adjustment hole 51. When the height adjustment set by the first fixed ring groove 13 and the second fixed slide groove is not applicable to the project, the limit adjustment plate 5 is set by a cast-in-place method. The relative position of the limit adjustment plate 5 is in the second adjustment slide groove 23, so that the relative positions of the two connecting units are fixed, and stepless adjustment is realized, which can be applicable to all construction heights.

[0040] Example 2

[0041] The difference between this embodiment and embodiment 1 is that the casting prefabricated parts are different, such as Figure 6-Figure 7 As shown, in this embodiment, a plurality of circumferentially distributed fixing grooves 25 are provided on the circumferential side of the connecting cylinder 2, a butterfly-shaped prefabricated fixing plate 32 is provided in the fixing groove 25, and a casting prefabricated part is provided between adjacent butterfly-shaped prefabricated fixing plates 32, and the casting prefabricated part is an arc-shaped prefabricated part 33, and the casting through hole 36 provided in the arc-shaped prefabricated part 33 is arranged opposite to the casting blind hole 14.

[0042] Example 3

[0043] The difference between this embodiment and embodiment 1 is that the casting prefabricated parts are different, such as Figure 8 As shown, the casting prefabricated part includes an arcuate connecting portion 34 and a square casting portion 35 . The arcuate connecting portion 34 is connected to the circumferential side of the connecting cylinder 2 through mounting holes and bolts. The casting through hole 36 formed in the square casting portion 35 is arranged opposite to the casting blind hole 14 .

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. One-piece cast-in-place prefabricated inspection well, characterized by: It comprises a connecting unit and at least one connecting unit which are arranged in sequence, the connecting unit and the connecting unit are sleeved together in sequence and provided with a casting reinforcement member, the casting reinforcement member comprises a casting body and a casting prefabricated member, the casting prefabricated member is detachably connected to the connecting unit and is provided with a casting through hole, and the casting body is arranged in a cavity formed by the casting through hole and the casting blind hole of the connecting unit; The connecting unit comprises a connecting cylinder with a sealing arrangement at the bottom, at least two connecting through holes for connecting the pipeline are arranged on the circumferential side of the connecting cylinder, a plurality of first adjusting chute grooves are arranged on the inner side of the connecting cylinder, the first adjusting chute grooves are circumferentially distributed on the inner side of the connecting cylinder, a limiting block is fixed on the top of the first adjusting chute, and a plurality of first fixed annular grooves arranged in parallel are arranged on the inner side of the connecting cylinder; The connecting unit comprises a connecting cylinder with openings at both ends, a limiting slider is arranged on the circumferential side of the bottom of the connecting cylinder, a sealing ring groove is arranged on the circumferential side of the bottom of the connecting cylinder, a sealing ring is arranged in the sealing ring groove, a plurality of second adjusting grooves are arranged on the inner side of the connecting cylinder, the second adjusting grooves are circumferentially distributed on the inner side of the connecting cylinder, a limiting block is fixed on the top of the second adjusting groove, and a plurality of second fixed grooves arranged in parallel are arranged on the inner side of the connecting cylinder; The first adjusting slot and the second adjusting slot are provided with linearly distributed installation positioning holes, the installation positioning holes are used to install the limit adjustment plate, and the limit adjustment plate is provided with an oblong adjustment hole.

2. The one-piece cast-in-place prefabricated inspection well according to claim 1 is characterized in that: The connecting cylinder is provided with a plurality of circumferentially distributed blind casting holes, which are arranged in the cylinder wall of the connecting cylinder and are consistent with the opening direction of the connecting cylinder.

3. The one-piece cast-in-place prefabricated inspection well according to claim 2 is characterized in that: A plurality of circumferentially distributed fixing grooves are provided on the circumferential side of the connecting cylinder, and a casting prefabricated part is arranged in the fixing groove. The casting prefabricated part is a strip prefabricated plate with a butterfly-shaped cross section, and the casting through holes and casting blind holes provided on the strip prefabricated plate are arranged oppositely.

4. The integrated cast-in-place prefabricated inspection well according to claim 2 is characterized in that: A plurality of circumferentially distributed fixing grooves are provided on the circumferential side of the connecting cylinder, butterfly-shaped prefabricated fixing plates are arranged in the fixing grooves, casting prefabricated parts are arranged between adjacent butterfly-shaped prefabricated fixing plates, and the casting prefabricated parts are arc-shaped prefabricated parts. The casting through holes and casting blind holes provided on the arc-shaped prefabricated parts are arranged opposite to each other.

5. The integrated cast-in-place prefabricated inspection well according to claim 2 is characterized in that: The casting prefabricated part comprises an arc-shaped connecting part and a square casting part. The arc-shaped connecting part is connected to the circumferential side of the connecting cylinder through a mounting hole and a bolt. The casting through hole and the casting blind hole provided in the square casting part are arranged opposite to each other.

6. The one-piece cast-in-place prefabricated inspection well according to claim 3, 4 or 5, characterized in that: An elastic positioning piece is arranged at the bottom of the limiting sliding block, and positioning grooves are provided in the first fixing ring groove and the second fixing ring groove, and the positioning grooves are arranged opposite to the elastic positioning piece.

7. The integrated cast-in-place prefabricated inspection well according to claim 6 is characterized in that: The elastic positioning member comprises a hollow threaded tube, the inner thread of the hollow threaded tube is connected with a mounting plate, the mounting plate is fixedly connected with one end of a positioning spring, the other end of the positioning spring is connected with a positioning ball, and the positioning ball is arranged opposite to the positioning groove.

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