CN214363595U

CN214363595U - Construction elevator foundation

Info

Publication number: CN214363595U
Application number: CN202120043536.7U
Authority: CN
Inventors: 张爱国; 戴连双; 王强; 马恒勇; 司永波; 张晓峰; 霍涛; 汪卫国; 何一民; 刘雷; 靳升龙; 韩翠
Original assignee: China Xinxing Construction Engineering Co ltd
Current assignee: China Xinxing Construction Engineering Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-08
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a construction elevator basis, including pouring area and construction elevator behind kerve or the basement around the building structure basement outer wall outside, construction elevator sets up in the building structure basement outer wall outside, and construction elevator frame falls on the steel construction basis that pouring area top set up behind kerve or basement, steel construction basis is including a supporting beam, and a supporting beam sets up on the sclerosis nature terrace that strides the kerve outside building structure basement outer wall, perhaps strides on the basement roof of pouring area behind the basement, strides on building structure basement outer wall and a supporting beam many shaped steel basis girders of interval, parallel fixation, and it has many shaped steel basis secondary beam to cross with shaped steel basis girder 90 degrees angles. The steel structure foundation can be arranged on the foundation trench or the post-cast strip in a spanning mode, the concrete structure foundation does not need to be arranged in the foundation trench or the post-cast strip, the phenomenon that the concrete structure foundation cannot be reused after being used is avoided, and normal construction procedures are alternated.

Description

Construction elevator foundation

Technical Field

The utility model belongs to the building field relates to a construction elevator basis.

Background

In the current building construction, a construction elevator is a common vertical transportation device for building construction, and the arrangement position of the construction elevator is at the position of a post-pouring zone or the position of a backfill soil part of a group building basement.

The quality of the foundation trench backfill soil is difficult to ensure; the post-cast strip is generally a settled post-cast strip, and the post-cast strip is cast 28 days after the structures on both sides are capped, so that the normal construction process alternation cannot be met; the backfilling part cannot be backfilled completely due to the influence of the construction process, the construction unit and the backfilling amount, so that the construction process cannot be normally alternated. The time for inserting other project items such as secondary structure, decoration and fitment is restricted, and the production progress is seriously influenced.

At present, the common method for arranging the construction elevator is as follows: is arranged on backfill soil or a top plate of a basement. The arrangement in the backfill soil may cause uneven settlement of a construction elevator foundation due to the problems of the quality of the backfill soil and the load of a construction elevator, thereby causing engineering accidents; when the underground chamber roof slab is arranged on the basement roof slab, the construction lifter load problem causes the cracking of the underground chamber roof slab structure to cause quality accidents. Moreover, the construction elevator foundation is generally of a reinforced concrete structure, and the structure cannot be reused after being used once, so that the cost is high.

Disclosure of Invention

An object of the utility model is to provide a construction elevator basis. Simple structure, construction convenience uses steel structure foundation can need not to set up concrete structure basis in foundation ditch or post-cast strip, can have enough to meet the need the use after using the completion, practices thrift the cost.

In order to realize the purpose, the technical scheme of the utility model is that:

a construction elevator foundation comprises a foundation trench or a basement post-pouring belt surrounding the outer side of the basement outer wall of a building structure and a construction elevator, wherein the construction elevator is arranged on the outer side of the basement outer wall of the building structure, the construction elevator comprises an elevator derrick and a suspension cage shaft and a counterweight shaft which are respectively arranged on two sides of the elevator derrick, the construction elevator is arranged on a steel structure foundation arranged above the foundation trench or the basement post-pouring belt, the steel structure foundation comprises a supporting beam, the supporting beam is arranged on a hardened natural terrace crossing the foundation trench on the outer side of the basement outer wall of the building structure or on a basement top plate crossing the basement post-pouring belt of the basement, the steel structure foundation also comprises a plurality of profile steel foundation main beams, the plurality of profile steel foundation main beams cross the basement outer wall and the supporting beam of the building structure at intervals, are parallel and connected and fixed with the basement outer wall and the supporting beam, and are crosswise provided with a plurality of profile steel foundation secondary beams at an angle of 90 DEG with the profile steel foundation main beams, the construction elevator base is fixed on a steel platform formed by the profile steel foundation main beam and the profile steel foundation secondary beam.

The scheme is further as follows: a fixed slope is built between the foundation trench and the hardened natural terrace, the supporting beam is a concrete supporting beam, and the distance between the concrete supporting beam and the upper edge of the fixed slope is at least 1.5 m.

The scheme is further as follows: many shaped steel basis secondary beam are including being used for buildding the shaped steel basis secondary beam that falls to the ground transportation and connect material platform frame and being used for supporting construction elevator's shaped steel basis secondary beam.

The scheme is further as follows: the profile steel basic girder has four, on the many profile steel basic secondary beams that lift well frame fixing base set up between two middle profile steel basic girders, many profile steel basic secondary beams separate two middle profile steel basic girder extensions and are connected with two outside profile steel basic girders respectively, cage pit shaft and counter weight pit shaft fixing base are on a middle profile steel basic girder and profile steel basic secondary beam respectively.

The scheme is further as follows: the fixed connection of the elevator derrick, the suspension cage shaft and the counterweight shaft with the main beam of the profile steel foundation or with the secondary beam of the profile steel foundation is respectively the fixed connection of the main beam of the profile steel foundation or the secondary beam of the profile steel foundation sleeved by the U-shaped bolt.

The scheme is further as follows: the U-shaped bolt is fixedly connected with the elevator derrick, the suspension cage shaft and the counterweight shaft through the opposite angles of the crossed sleeved steel foundation main beam or the steel foundation secondary beam.

The utility model has the advantages that: simple structure, the utility model discloses an use steel construction basis can stride to establish on foundation ditch or post-cast strip, build the lift before foundation ditch or post-cast strip construction, insert for later stage construction process and create the advantage, need not to set up concrete structure basis in foundation ditch or post-cast strip, need demolish unable reuse after having avoided using, satisfied normal construction process and alternate, can have enough to meet the need again after the use is accomplished and use, practice thrift the cost.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view of the structure of the foundation section of the basement outer wall with the foundation trench;

FIG. 2 is a schematic structural view of the foundation section of the basement of the present invention, wherein the outer side of the basement outer wall is a post-cast strip;

FIG. 3 is a schematic view of the basic plane structure of the present invention;

fig. 4 is a schematic view of the U-bolt fixing structure of the derrick of the elevator of the present invention.

Detailed Description

A construction elevator foundation, as shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, the construction elevator foundation includes a post-cast strip 901 surrounding a foundation trench 2 or a basement 9 outside a basement outer wall 1 of a building structure, and a construction elevator 3, the construction elevator 3 is disposed outside the basement outer wall 1 of the building structure for building construction, the construction elevator 3 includes an elevator shaft frame 301 and a cage shaft 302 and a counterweight shaft 303 disposed on both sides of the elevator shaft frame, respectively, wherein the construction elevator is seated on a steel structure foundation disposed above the foundation trench or the post-cast strip, the steel structure foundation includes a support beam 4 disposed outside the basement outer wall of the building structure on a hardened natural terrace 5 crossing the foundation trench or on a basement top plate 902 crossing the basement post-cast strip 901, if a support column is not exactly provided at a lower end 902 of the basement top plate of the basement post-cast strip provided with the support beam 4, a reinforcing support 903 needs to be temporarily provided. A supporting beam arranged on the hardened natural terrace 5 is a concrete supporting beam, reinforcing steel bars are embedded in the concrete supporting beam, the supporting beam on the basement top plate 802 can be a profile steel supporting beam or a concrete supporting beam, a plurality of profile steel basic main beams 6 are fixed on the basement outer wall 1 and the soil supporting beam 4 at intervals and in parallel, the plurality of profile steel basic main beams are fixedly connected with the basement outer wall and the supporting beam, a plurality of profile steel basic secondary beams 7 are crosswise arranged at an angle of 90 degrees with the profile steel basic main beams, the depth G of the profile steel basic main beams 6 extending into the basement outer wall of the building structure is at least 300mm, and the construction elevator base is fixed on a steel platform formed by the profile steel basic main beams and the profile steel basic secondary beams; two I-shaped steel foundations 10 serving as steel foundation secondary beams for landing transportation and material receiving platform frames are arranged on a section steel foundation main beam 6 between a construction elevator and a basement outer wall at intervals and can be simplified according to construction conditions.

Wherein: as a foundation trench, in order to prevent collapse, a fixed slope 201 with the inclination not larger than 45 degrees a is established between the foundation trench or a post-cast strip and a hardened natural terrace by concrete mortar, the thickness of the mortar is not smaller than 50mm, and the distance D between the concrete support beam and the upper edge of the fixed slope is at least 1.5 m.

The shaped steel basic girder 6 and the shaped steel basic secondary beam 7 in the embodiment are I-shaped steel girders of two kinds of different specifications, and the segmentation of many shaped steel basic secondary beams 7 is through bolt or welded connection between the shaped steel basic girder with shaped steel basic girder up end parallel and level, many shaped steel basic secondary beams are including setting up the shaped steel basic secondary beam that is used for building on the shaped steel basic girder between construction elevator and building structure basement outer wall and falls to the ground the transportation and connect material platform frame and be used for supporting the shaped steel basic secondary beam of construction elevator.

In this embodiment: the profile steel basis girder has four, on 3 profile steel basis secondary beams that lift shaft frame fixing base set up between two middle profile steel basis girders, 3 profile steel basis secondary beams separate two middle profile steel basis girder extensions and are connected with two outside profile steel basis girders respectively, cage pit shaft and counter weight pit shaft difference fixed connection seat are on a middle profile steel basis girder and profile steel basis secondary beam.

In the examples: the fixed connection of the elevator derrick, the suspension cage shaft and the counterweight shaft with the profile steel foundation main beam or the profile steel foundation secondary beam is respectively the fixed connection of the U-shaped bolt sleeved on the profile steel foundation main beam or the profile steel foundation secondary beam, the U-shaped bolt is fixedly connected with the elevator derrick, the suspension cage shaft and the counterweight shaft by sleeving the opposite angles of the profile steel foundation main beam or the profile steel foundation secondary beam in a crossed manner, the connecting structure prevents the U-shaped bolt from slipping, the connecting structure of the elevator derrick is illustrated in figure 4, the profile steel foundation secondary beam is sleeved on the opposite angles of the lower side of the elevator derrick by the U-shaped bolt 8 to connect and fix the elevator derrick, and the suspension cage shaft and the counterweight shaft are also fixed in the same way.

The embodiment can be used for building the lifter before construction of the foundation trench or the post-cast strip, creates favorable conditions for insertion of later construction procedures, and can complete construction joints on time under the condition of ensuring construction quality and construction safety. The foundation steel structure can be used in a turnover mode, so that materials are saved, and construction cost is reduced.

Claims

1. A construction elevator foundation comprises a foundation trench or a basement post-pouring belt surrounding the outer side of the basement outer wall of a building structure and a construction elevator, wherein the construction elevator is arranged on the outer side of the basement outer wall of the building structure, the construction elevator comprises an elevator derrick and a suspension cage shaft and a counterweight shaft which are respectively arranged on two sides of the elevator derrick, and the construction elevator is characterized in that the construction elevator is arranged on a steel structure foundation arranged above the foundation trench or the basement post-pouring belt, the steel structure foundation comprises a supporting beam, the supporting beam is arranged on a hardened natural terrace crossing the foundation trench on the outer side of the basement outer wall of the building structure or on a basement top plate crossing the basement post-pouring belt, the steel structure foundation also comprises a plurality of section steel foundation main beams, the plurality of section steel foundation main beams span on the basement outer wall and the supporting beam of the building structure at intervals and are parallel and connected and fixed with the basement outer wall and the supporting beam, and a plurality of profile steel foundation secondary beams are arranged at an angle of 90 degrees with the profile steel foundation main beam in a crossed manner, and the construction lifting machine base falls on a steel platform formed by the profile steel foundation main beam and the profile steel foundation secondary beams to be fixed.

2. A construction elevator foundation as claimed in claim 1 in which a solid slope is established between the foundation trench and the hardened natural terrace, the support beam being a concrete support beam spaced at least 1.5m from the upper edge of the solid slope.

3. The construction elevator foundation of claim 1, wherein the plurality of profile steel foundation sub-beams comprise a profile steel foundation sub-beam for building a floor transportation receiving platform frame and a profile steel foundation sub-beam for supporting the construction elevator.

4. The construction elevator foundation of claim 3, wherein there are four of the steel foundation main beams, the elevator shaft fixing base is provided on a plurality of steel foundation sub-beams provided between the middle two steel foundation main beams, the plurality of steel foundation sub-beams are connected to the outer two steel foundation main beams through the middle two steel foundation main beams, respectively, and the cage shaft and the counterweight shaft are fixed on the middle one steel foundation main beam and the steel foundation sub-beams, respectively.

5. A construction elevator foundation according to claim 1 or 2 or 3 or 4, wherein the fixed connections of the elevator derrick and cage shaft and counterweight shaft to the main section steel foundation beam or to the secondary section steel foundation beam are fixed connections of the main section steel foundation beam or the secondary section steel foundation beam, respectively, by means of U-bolts.

6. The construction elevator foundation of claim 5 wherein said U-bolts are cross-sleeved steel foundation main beams or steel foundation secondary beams secured diagonally to the elevator derrick and cage bores and counterweight bores.