Vertical shaft supporting device adopting reverse construction method

Abstract

The utility model discloses a vertical shaft supporting device adopting a reverse building method, which comprises a plurality of supporting components, the supporting components are sequentially placed in a vertical shaft to the bottom of the vertical shaft from top to bottom, every two supporting components are fixed through flanges or welding, and each supporting component comprises a plurality of supporting units. The supporting units are made of corrugated steel, every two adjacent supporting units are fixed through flanges or welding, and gaps between the supporting units and the soil surface are filled with grout. The supporting units of the corrugated steel structures are fixed into the supporting assembly through flanges or welding and are placed from top to bottom, formwork prefabricating is not needed, the construction time is short, waiting time is not needed, consumed time is less, operation is easy and convenient, efficiency is high, the amount of labor used is small, manufacturing cost is low, recycling use cost is low, and the construction and use requirements are effectively met.

Description

Technical Field

[0001] The utility model belongs to the field of building construction, and particularly relates to a reverse construction method shaft supporting device which has the advantages of simple construction, short construction time, small labor quantity and low cost. Background Art

[0002] The installation of support in the shaft includes the forward method and the reverse method. The reverse method is the current mainstream construction method. At present, the reverse method of installing support in the shaft is generally by prefabricating the template first, and then injecting concrete into the template from top to bottom. This method of prefabricating the template and then injecting concrete can meet certain usage requirements, but it also has major defects. The template must be prefabricated first, the construction time is long, and after injecting concrete, it must wait for it to solidify, which is time-consuming, troublesome and inefficient to operate, requires a lot of labor, has a high cost, cannot be reused, has a high cost of use, and cannot meet limited construction and usage requirements.

[0003] The technical problem to be solved by the utility model is to provide a reverse construction shaft support device which does not require prefabricated templates, has a short construction time, does not require waiting time and consumes little time, is directly flanged or welded and fixed, is simple and convenient to operate, has high efficiency, requires less labor, has a low cost, is reusable, has low use cost, and effectively meets construction and use requirements. Utility Model Content

[0004] In order to solve the problems of the above-mentioned prior art that the template needs to be prefabricated first, the construction time is long, the concrete needs to be solidified after being injected, the time is long, the operation is troublesome and the efficiency is low, the labor is large, the cost is high, the reuse is impossible, the use cost is high, and the construction and use requirements cannot be met, the utility model adopts the following technical solutions:

[0005] The utility model provides a reverse construction shaft support device, comprising a plurality of support assemblies, wherein the plurality of support assemblies are sequentially placed in the shaft from top to bottom until the bottom of the shaft, wherein the support assemblies are fixed to each other by flanges or welding, wherein the support assemblies comprise a plurality of support units, wherein the support units are made of corrugated steel and are fixed to each other by flanges or welding, and wherein the gaps between the support units and the soil surface are filled by grouting.

[0006] Preferably, the support unit has a thickness of 3-10 mm and a height of 500-1500 mm.

[0007] Preferably, the wave height H of the support unit is 50-200 mm, and the wave distance L is 150-400 mm.

[0008] Preferably, the weight of the support unit is 40-60Kg.

[0009] Preferably, the number of the supporting units is 4, 6 or 8.

[0010] The beneficial effects of the utility model are: the support unit using corrugated steel structure is fixed into a support assembly through flanges or welding and placed from top to bottom, no prefabricated template is required, the construction time is short, no waiting time is required, and the time consumption is short; the operation is simple and convenient, the efficiency is high, the labor workload is small, the cost is low, the cost of reusability is low, and the construction and use requirements are effectively met. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic structural diagram of an embodiment.

[0012] Figure 2 It is a schematic front view of the support assembly in the utility model.

[0013] Figure 3 It is a vertical cross-sectional schematic diagram of the support unit in the utility model. DETAILED DESCRIPTION

[0014] The preferred embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0015] See also Figure 1 A reverse shaft support device includes a plurality of support assemblies 1, which are placed in the shaft in order from top to bottom until the bottom of the shaft. The number of support assemblies is determined according to the depth of the shaft. The support assemblies 1 are fixed to each other by flanges or welding. The flange or welding method is simpler to fix and does not require prefabricated templates. The support assembly 1 includes a plurality of support units 11, which are corrugated steel and are fixed to each other by flanges or welding (such as Figure 2 As shown), the gap between the support unit 11 and the soil surface is filled with grouting, which can increase the support strength.

[0016] like Figure 3 As shown, the thickness of the support unit 11 is 3-10mm, the height is 500-1500mm, the wave height H of the support unit is 50-200mm, and the wave distance L is 150-400mm. The specific data parameters can be determined according to actual use needs. The most important thing is the corrugated structure.

[0017] The weight of the support unit 11 is 40-60 kg, which should not be too heavy and can be lifted by two people for the best convenience.

[0018] The number of the support units 11 is 4, 6 or 8. Figure 2 There are 4 in the middle, but there is no specific limit. It is selected according to the size of the shaft, and priority is given to convenience of lifting and transportation.

[0019] The beneficial effects of the utility model are: the support unit using corrugated steel structure is fixed into a support assembly through flanges or welding and placed from top to bottom, no prefabricated template is required, the construction time is short, no waiting time is required, and the time consumption is short; the operation is simple and convenient, the efficiency is high, the labor workload is small, the cost is low, the cost of reusability is low, and the construction and use requirements are effectively met.

[0020] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A reverse shaft support device, characterized in that: The invention comprises a plurality of support assemblies (1), wherein the plurality of support assemblies (1) are placed in a vertical shaft in order from top to bottom until the bottom of the vertical shaft, wherein the support assemblies (1) are fixed to each other by flanges or welding, wherein the support assemblies (1) comprise a plurality of support units (11), wherein the support units (11) are made of corrugated steel and are fixed to each other by flanges or welding, and wherein the gaps between the support units (11) and the soil surface are filled by grouting.

2. A reverse shaft support device according to claim 1, characterized in that: The supporting unit (11) has a thickness of 3-10 mm and a height of 500-1500 mm.

3. A reverse shaft support device according to claim 1, characterized in that: The wave height H of the support unit (11) is 50-200 mm, and the wave distance L is 150-400 mm.

4. A reverse shaft support device according to claim 3, characterized in that: The weight of the supporting unit (11) is 40-60 kg.

5. The reverse shaft support device according to claim 1, characterized in that: The number of the supporting units (11) is 4, 6 or 8.

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