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CN-121992825-A - Cast-in-situ concrete mold for adjusting layer of well lid of circular inspection well

CN121992825ACN 121992825 ACN121992825 ACN 121992825ACN-121992825-A

Abstract

The invention relates to the technical field of inspection well pouring, in particular to a circular inspection well lid adjusting layer concrete cast-in-situ mold which comprises an annular template, wherein the annular template consists of a plurality of reinforcing transverse plates welded at the tops of an inner annular template and an outer annular template, a spiral groove outer rod is erected at the central position of the annular template, a spiral inner rod is arranged at the center of the top end of the spiral groove outer rod in a threaded connection mode, and three multi-stage spiral lifting support rods are distributed annularly around the periphery of a vertical rod at equal intervals. The side supporting plates, the supporting plates and the spiral transmission structure are matched, so that the arc-shaped well wall template can be quickly supported and dismantled, the problems that the embedded bolts are complex in operation, difficult to dismantle the template and incapable of being recycled are solved, the construction difficulty is greatly reduced, the working hours are shortened, the construction efficiency is improved, the mold is ensured to be free of displacement in the pouring process through the multiple locking structure, the concrete pouring quality of an adjusting layer is ensured, the telescopic rods can be flexibly telescopic, and the pouring requirements of the adjusting layers of circular inspection wells with different diameters are adapted.

Inventors

  • LIN JIANLIANG
  • CHANG HAN
  • LI KAI
  • WEI YANLONG
  • JIN LINLIN
  • HONG ZHISHU
  • WANG ZIWEI
  • Yang Naibao
  • LV MINGYANG
  • HU YIMING

Assignees

  • 中建八局东南建设有限公司

Dates

Publication Date
20260508
Application Date
20260205

Claims (10)

  1. 1. A circular manhole cover adjusting layer concrete cast-in-place mold, comprising: the annular template (1), the annular template (1) is formed by welding a plurality of reinforcing transverse plates (103) on the top of an inner annular template (101) and an outer annular template (102); The spiral groove outer rod (2), the spiral groove outer rod (2) is erected at the center of the annular template (1), the center of the top end of the spiral groove outer rod (2) is connected with the spiral inner rod (3) in a threaded manner, and the peripheral wall of the spiral groove outer rod (2) is connected with the L-shaped bracket (6); Multistage spiral lift bracing piece (4), multistage spiral lift bracing piece (4) erect in annular template (1) bottom, multistage spiral lift bracing piece (4) are provided with three around pole setting (5) week side equidistance annular distribution.
  2. 2. The circular manhole cover adjusting layer concrete cast-in-situ mold of claim 1, wherein six fixing rods (201) are arranged on the peripheral wall of the bottom of the outer spiral groove rod (2) in an equidistant annular connection mode, telescopic rods (202) are movably sleeved at the end parts of the fixing rods (201), guide grooves (203) are formed in the top wall of the fixing rods (201), guide blocks (204) are arranged on the side walls of the telescopic rods (202) in a connecting mode, and the guide blocks (204) are movably clamped in the guide grooves (203).
  3. 3. The circular manhole cover adjusting layer concrete cast-in-situ mold of claim 2, wherein the outer end wall of the telescopic rod (202) is provided with a side support plate (205) in a connecting mode, the side wall of the side support plate (205) is provided with a support plate (206), the side support plate (205) and the support plate (206) are arranged in an arc shape, the height of the inner ring template (101) is larger than that of the outer ring template (102), the end portion of the support plate (206) is supported and attached to the bottom wall of the inner ring template (101), and the side wall of the side support plate (205) is attached to the inner side wall of the inner ring template (101).
  4. 4. The circular inspection well lid adjusting layer concrete cast-in-situ mold is characterized in that a first round table (301) is connected to the top end of the spiral inner rod (3), a rotary ring (302) is rotatably connected to the peripheral wall of the first round table (301), push-pull rods (303) are arranged on the peripheral wall of the rotary ring (302) in an equidistant annular rotary connection mode, and the other ends of the push-pull rods (303) are rotatably connected with the guide blocks (204).
  5. 5. The circular inspection well lid adjusting layer concrete cast-in-situ mold of claim 1, wherein the bottom wall of the multistage spiral lifting support rod (4) is connected with a rubber floor pad (401), the top end of the multistage spiral lifting support rod (4) is connected with a second round table (402), an anti-slip convex pattern is arranged on the peripheral wall of the second round table (402), a U-shaped supporting plate (403) is rotatably connected with the center of the top end of the second round table (402), and the telescopic rod (202) is clamped in a groove of the U-shaped supporting plate (403).
  6. 6. The circular inspection well lid adjustment layer concrete cast-in-situ mold of claim 1, wherein the upper end and the lower end of the vertical rod (5) are respectively provided with an anti-drop baffle (501), three limit sliding grooves (502) are formed in the circumferential wall of the vertical rod (5) in an equidistant annular mode, three lantern rings (503) are sequentially sleeved on the circumferential wall of the vertical rod (5), limiting blocks (504) are connected and arranged on the inner wall of the lantern rings (503), the limiting blocks (504) are movably clamped and arranged in the limit sliding grooves (502), and the circumferential wall of the lantern rings (503) is fixedly connected with the multistage spiral lifting support rods (4) through transverse connecting rods (505).
  7. 7. The circular manhole cover adjusting layer concrete cast-in-situ mold of claim 4, wherein the center of the top end of the first round table (301) is connected with a rotary ring handle (304), a plurality of limit holes (305) are formed in the end wall of the rotary ring handle (304) in an equidistant annular mode, T-shaped sliding grooves (601) are formed in the side wall of the L-shaped support (6), T-shaped sliding plates (602) are movably clamped in the T-shaped sliding grooves (601), the T-shaped sliding plates (602) are movably arranged above the rotary ring handle (304), limit columns (603) are arranged on the bottom wall of the T-shaped sliding plates (602) in a connecting mode, and the limit columns (603) are spliced with the limit holes (305).
  8. 8. The circular inspection well lid adjusting layer concrete cast-in-situ mold of claim 7, wherein a trapezoid sliding groove (604) is formed in the side wall of the T-shaped sliding plate (602), a trapezoid sliding block (605) is movably clamped in the trapezoid sliding groove (604), an L-shaped limiting plate (606) is arranged on the bottom wall of the trapezoid sliding block (605) in a connecting mode, the inner bottom wall of the L-shaped limiting plate (606) is attached to the bottom wall of the rotary ring handle (304), and the top wall of the L-shaped limiting plate (606) is attached to the bottom wall of the T-shaped sliding plate (602).
  9. 9. The circular manhole cover adjusting layer concrete cast-in-situ mold of claim 8, wherein a rotating plate (607) is rotatably connected to the top end of the T-shaped sliding plate (602), a stop block (608) is connected to the side wall of the rotating plate (607), the stop block (608) is movably arranged in the trapezoid sliding groove (604), and the side wall of the stop block (608) is abutted against the trapezoid sliding block (605).
  10. 10. The circular inspection well lid adjusting layer concrete cast-in-situ mold of claim 9, wherein a screw rod (609) is connected to the outer end of the rotating plate (607), a limiting piece (610) is connected to the other end of the screw rod (609), a hand screw cap (611) is connected to the screw rod (609) in a threaded mode, the hand screw cap (611) is movably arranged in the trapezoid chute (604), a clamping ring (612) is connected to the end wall of the hand screw cap (611), a clamping block (613) is connected to the side wall of the trapezoid chute (604), and the clamping block (613) resists against the inner wall of the clamping ring (612).

Description

Cast-in-situ concrete mold for adjusting layer of well lid of circular inspection well Technical Field The invention relates to the technical field related to inspection well pouring, in particular to a circular inspection well cover adjusting layer concrete cast-in-situ mold. Background With the development of society, urban updating is more and more important, and in order to meet smooth operation of urban pipeline systems, maintenance, updating, reconstruction and reasonable planning and embedding of new pipe networks are needed, so that the new pipe networks and the old pipe networks are perfected, the new pipe networks and the old pipe networks are communicated, the main pipe network system is opened, and quality improvement and efficiency improvement of the pipe network system are gradually realized. At present, when the existing municipal pipe network circular inspection well is built, a module brick is generally used for building, and fine stone concrete is poured into the module brick to jointly form a well wall, as shown in a circular inspection well cover adjusting layer layout diagram (figure 10). The bottom hole elevation depends on the bottom elevation of the pipeline, and the well lid elevation depends on the elevation of the pavement, so the bottom hole elevation and the well lid elevation cannot be changed at will. Because the common height dimension of the modular bricks is 170mm, after the uppermost one-skin modular brick is built, the elevation difference between the well wall and the well lid is 30-170 mm, and the elevation difference is required to be adjusted to the designed elevation by using concrete cast-in-situ. In the prior art, in an actual construction scene, the arc-shaped well wall structure of the circular inspection well brings great difficulty to the support and the removal of the template for the concrete pouring of the adjusting layer, and usually, embedded bolts are needed to be embedded in the well wall in advance to assist in the fixation of the template, so that the operation flow is more complicated. Meanwhile, the removed template is affected by the arc-shaped structure and the residual of the embedded bolts, so that the template is difficult to directly recycle for the second time, the construction cost and the working hours are increased, and the construction efficiency is also reduced. Due to the influence, illegal operation frequently occurs on a construction site, namely, the elevation of the well lid is adjusted by adopting a mode of building mortar bricks and increasing the thickness of seat slurry, but the phenomenon that the concrete cast-in-situ process is strictly followed is easy to cause insufficient installation firmness and uneven stress of the well lid, further the problems of well lid sedimentation, breakage and the like are caused, and the passing safety of municipal roads and the operation and maintenance stability of a pipe network are affected. Disclosure of Invention The invention aims to provide a circular manhole cover adjusting layer concrete cast-in-situ mold so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the circular inspection well lid adjusting layer concrete cast-in-situ mold comprises: the annular template consists of a plurality of reinforcing transverse plates welded at the tops of the inner annular template and the outer annular template; The spiral groove outer rod is erected at the central position of the annular template, the center of the top end of the spiral groove outer rod is connected with a spiral inner rod in a threaded manner, and an L-shaped bracket is connected to the peripheral wall of the spiral groove outer rod; multistage spiral lift bracing piece, multistage spiral lift bracing piece erects in annular template bottom, and multistage spiral lift bracing piece is provided with three around pole setting week side equidistance annular distribution. Preferably, six fixing rods are annularly connected to the peripheral wall of the bottom of the outer rod of the spiral groove at equal intervals, telescopic rods are movably sleeved at the end parts of the fixing rods, guide grooves are formed in the top walls of the fixing rods, guide blocks are connected to the side walls of the telescopic rods, and the guide blocks are movably clamped in the guide grooves. Preferably, the outer end wall connection of telescopic link is provided with the side stay board, and the connection is provided with the spanners on the side stay board lateral wall, and side stay board, spanners all are the arc setting, and inner ring template highly is greater than outer ring template height, and spanners tip support laminating inner ring template diapire, side stay board lateral wall laminating inner ring template inside wall. Preferably, the top end of the spiral inner rod is connected with a first round table, a rotary ring is arranged on the