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CN-224213313-U - Foundation pit supporting structure for municipal house building construction

CN224213313UCN 224213313 UCN224213313 UCN 224213313UCN-224213313-U

Abstract

The utility model discloses a foundation pit supporting structure for municipal house construction, which comprises an outer retaining wall, wherein the top end of the inner wall of the outer retaining wall is slidably connected with an inner retaining wall, a plug rod is rotatably inserted into the ground, the outer retaining wall can be fixed, meanwhile, a dust-proof top ring can be fixed, the bottom surface of a soil-fixing top ring can be clung to the ground of a construction site, dust in a gap between the outer retaining wall or the inner retaining wall and the inner wall of a foundation pit can be prevented from drifting out by arranging the dust-proof top ring, dust in the foundation pit can be prevented from drifting out by arranging a dust-proof cover, absorbed dust can be collected, and redundant gas is discharged at the same time, and a simple connection mode between a dust suction fan and the filter tank is arranged, so that the disassembly and assembly steps of the filter tank are more convenient and rapid, and meanwhile, the dust collected in the filter tank can be uniformly treated by constructors, the pollution to peripheral air is avoided, and the safety in the construction process is improved.

Inventors

  • GUAN XIAOHUI

Assignees

  • 管晓辉

Dates

Publication Date
20260508
Application Date
20250530

Claims (6)

  1. 1. A foundation pit supporting structure for municipal house construction comprises an outer retaining wall (1) and is characterized in that an inner retaining wall (3) is slidably connected to the top end of the inner wall of the outer retaining wall (1), a dust-proof top ring (6) is fixedly connected to the top of the inner retaining wall (3), a soil-fixing top ring (7) is fixedly connected to the outer wall of the dust-proof top ring (6), and a dust-proof cover (10) is sleeved on the inner wall of the dust-proof top ring (6).
  2. 2. The foundation pit supporting structure for municipal house construction according to claim 1, wherein the bottom end of the inner wall of the outer protecting wall (1) is fixedly connected with a bottom ring (2), and the bottom surface of the bottom ring (2) and the bottom surface of the outer protecting wall (1) are arranged on the same horizontal plane.
  3. 3. The foundation pit supporting structure for municipal house construction according to claim 1, wherein one end of the outer wall of the inner retaining wall (3) is fixedly connected with a sliding ring (4), a sliding groove (5) is formed in the inner wall of the outer retaining wall (1), and the inner wall of the sliding groove (5) is in sliding connection with the outer wall of the sliding ring (4).
  4. 4. The foundation pit supporting structure for municipal house construction according to claim 2, wherein a plurality of groups of penetrating holes penetrating up and down are formed in the bottom ring (2) and the soil fixing top ring (7), inserting rods (8) are sleeved on the inner walls of the penetrating holes, and a plurality of groups of spiral grooves (9) are formed in the outer walls of the inserting rods (8).
  5. 5. The foundation pit supporting structure for building construction of municipal house according to claim 1, wherein the center of the top of the dust-proof cover (10) is provided with a vent hole (11) penetrating vertically, and the top end of the inner wall of the vent hole (11) is fixedly connected with a dustproof ventilation net (12).
  6. 6. The foundation pit supporting structure for municipal house construction according to claim 1, wherein round holes penetrating through the two ends of the dust separation cover (10) are formed in the two ends of the dust separation cover, dust suction fans (13) are fixedly connected to the inner walls of the round holes, filter tanks (14) are connected to air outlets at the top ends of the dust suction fans (13) in a threaded mode, and two groups of the dust suction fans (13) and the filter tanks (14) are arranged.

Description

Foundation pit supporting structure for municipal house building construction Technical Field The utility model relates to the technical field of building construction equipment, in particular to a foundation pit supporting structure for municipal house building construction. Background The municipal house construction refers to engineering activities of house construction and municipal infrastructure construction in the urban planning range, which include but are not limited to construction of houses such as residential communities, commercial buildings and public facilities, and construction of municipal infrastructure such as roads, bridges, drainage systems, water supply networks, greening landscapes and the like, and the foundation pit supporting structure is a safety measure for protecting underground main structure construction and surrounding environment of the foundation pit, and mainly adopts temporary supporting, reinforcing, protecting and groundwater control measures for the foundation pit. In municipal house construction, especially when the construction of deep foundation pit is related to, the application of foundation pit supporting structure is crucial. In the prior art, after a foundation pit is excavated, a supporting structure is arranged in the foundation pit to support the inner side wall of the foundation pit so as to prevent collapse, after the supporting structure is prepared, mechanical equipment such as a pile driver and the like can enter the foundation pit to perform construction, certain vibration can be caused to the inner bottom wall of the foundation pit during the operation of the mechanical equipment, and the vibration is transmitted to the inner side wall of the foundation pit through the inner bottom wall of the foundation pit to cause dust raising on the inner side wall of the foundation pit and pollute surrounding air. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. In order to solve the problems, the utility model adopts the following technical scheme. The utility model provides a foundation ditch supporting construction of municipal house construction, includes outer dado, the inner wall top sliding connection of outer dado has interior dado, and the top fixedly connected with dust separation roof ring of interior dado, the outer wall fixedly connected with soil-retaining roof ring of dust separation roof ring, the inner wall of dust separation roof ring has cup jointed the dust separation lid. As a further description of the above technical solution: the inner wall bottom fixedly connected with bottom ring of outer dado, the bottom surface of bottom ring and the bottom surface of outer dado all set up on same horizontal plane. As a further description of the above technical solution: The inner wall of the outer protection wall is provided with a sliding groove, and the inner wall of the sliding groove is in sliding connection with the outer wall of the sliding ring. As a further description of the above technical solution: The bottom ring and the soil fixing top ring are provided with a plurality of groups of through holes penetrating up and down, the inner walls of the through holes are sleeved with inserted bars, and the outer walls of the inserted bars are provided with a plurality of groups of spiral grooves. As a further description of the above technical solution: The top center department of dust separation lid has seted up the air vent that runs through from top to bottom, the inner wall top fixedly connected with dustproof ventilation net of air vent. As a further description of the above technical solution: Round holes penetrating up and down are formed in the two ends of the dust separation cover, dust collection fans are fixedly connected to the inner walls of the round holes, filter tanks are connected to the air outlet of the top end of each dust collection fan in a threaded mode, and two groups of dust collection fans and two groups of filter tanks are arranged. Compared with the prior art, the utility model has the beneficial effects that: (1) The inserted link is rotated to be inserted into the ground, the outer retaining wall can be fixed, the dust-proof top ring can be fixed, the bottom surface of the soil-proof top ring can be clung to the ground of the construction ground, dust in the gap between the outer retaining wall or the inner retaining wall and the inner wall of the foundation pit can be prevented from drifting out through the dust-proof top ring, dust in the foundation pit can be prevented from drifting out through the dust-proof cover, the dust can be collected through the filter tank, and meanwhile redundan