CN211447882U

CN211447882U - Elevator shaft with bottom plate prefabricated reinforcement cage

Info

Publication number: CN211447882U
Application number: CN201922266046.9U
Authority: CN
Inventors: 聂永明; 聂境朗; 杨世荣
Original assignee: Huizhou Mingheng Ladder Well Co ltd
Current assignee: Huizhou Mingheng Ladder Well Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-08
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to the technical field of building engineering of old buildings to build steel structure elevator shafts, in particular to an elevator shaft with a bottom plate prefabricated reinforcement cage, which comprises a steel structure elevator shaft pit steel frame, a prefabricated bottom plate reinforcement cage, a concrete wall plate and a static pressure anchor rod pile; the utility model discloses, steel construction elevator well pit festival steelframe at the mill, the steel reinforcement cylinder mould, static pressure stock stake mouth and pile pressing pulling force screw rod are prefabricated, the job site only need dig the elevartor shaft foundation ditch, steel construction elevator well pit festival steelframe with prefabricating is drawn to the scene, put in the elevartor shaft of digging with hoist handle steel construction elevator well pit festival steelframe, pass pit festival steelframe crossbeam with two girder steels, support and adjust then divide twice concreting after good, accomplish the preparation of steel construction elevator well pit, make the construction process flow simplify, and do not receive the influence of weather in the mill's manufacture process, the site operation time is short, ensure the safety of whole well pit construction, it is high-efficient convenient.

Description

Elevator shaft with bottom plate prefabricated reinforcement cage

Technical Field

The utility model belongs to the technical field of the building engineering of steel construction elevator well is built additional to old building, concretely relates to elevator well of taking bottom plate prefabricated steel reinforcement cage.

Background

Traditional old building adds builds steel construction elevator well, needs following steps to accomplish: 1. excavating on site, 2, making slope protection, 3, beating cushion concrete, 4, supporting a bottom plate template, 5, binding bottom plate reinforcing steel bars, 6, pouring bottom plate concrete, 7, supporting a pit concrete wall external template, 8, dredging mud, 9, binding concrete wall reinforcing steel bars again, 10 and supporting a concrete wall internal template; 11. then pouring the concrete wall; 12. the concrete wall form needs to be disassembled, 13, the pit wall body is made to be waterproof, 14, soil is backfilled, 15 and then ground concrete is poured, so that collapse easily occurs, danger is caused to construction, safety is not controlled, quality is not controlled strictly, water leakage easily occurs, and installation time is long.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a take elevator well of prefabricated steel reinforcement cage of bottom plate has safety, saves installation time's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: an elevator well with a bottom plate prefabricated reinforcement cage comprises a steel structure elevator well bottom pit section steel frame, a prefabricated bottom plate reinforcement cage, a concrete wall plate and a static pressure anchor rod pile, wherein the static pressure anchor rod pile is buried in soil underground, a bearing platform is arranged above the static pressure anchor rod pile, the concrete wall plate is arranged on the bearing platform, the steel structure elevator well bottom pit section steel frame comprises four stand columns, four cross beams, a reinforcement mesh and a steel plate inner mold, the number of the stand columns and the number of the cross beams are four, the stand columns and the cross beams are welded to form a three-dimensional frame, the reinforcement meshes are arranged in the middle of every two of the four stand columns, the number of the reinforcement meshes is four, the steel plate inner mold is arranged on the inner wall of the reinforcement mesh, two connecting rods are arranged between the four stand columns in a crossed manner, the prefabricated bottom plate reinforcement cage comprises a reinforcement mesh, the bottom of the steel bar net cage is provided with a static pressure anchor rod pile opening, and the bottom of the steel bar net cage is fixedly connected with a pile pressing tension screw rod.

Preferably, the concrete wallboard is a concrete body formed by pouring concrete after the steel structure elevator shaft pit section steel frame is installed.

Preferably, the reinforcing mesh comprises vertical reinforcing steel bars, horizontal reinforcing steel bars and connecting plates, the connecting plates are welded between the two upright posts, and the vertical reinforcing steel bars and the horizontal reinforcing steel bars are arranged in a cross manner to form a grid.

Preferably, the transverse reinforcing steel bars penetrate through round holes formed in the upright posts and are located on the outer sides of the upright posts, and the length of the transverse reinforcing steel bars located on the outer sides of the upright posts is 500 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through the accurate well pit festival steelframe of taking steel reinforcement cage of prefabricating of mill, only need the excavation foundation ditch at the scene, the hoist and mount adjustment, fall the concrete and tear the centre form steel sheet open, when steel construction elevator well needs to be built additional at the old building, make the great simplification of construction process flow of well pit and do not receive the influence of weather in the mill's manufacture process, it is very short at the site work time, ensure that the safety of whole well pit construction is high-quality, it is high-efficient convenient, and simultaneously, the material and the specification of steel construction elevator well pit can be checked controllably, the steel bar interval of steel construction elevator well and the size of pit are accurate, static pressure stock stake mouth and setting of pile pressing pulling force screw rod are firm reliable in addition, pile sealing structural strength satisfies the designing requirement.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a steel structure elevator shaft pit steel frame of the present invention;

fig. 2 is a schematic structural view of a reinforcing mesh in the present invention;

fig. 3 is a schematic structural view of a concrete wall panel according to the present invention;

FIG. 4 is a schematic structural view of a middle prefabricated bottom plate reinforcement cage of the present invention;

fig. 5 is a schematic structural view of the tension screw for a medium pressure pile of the present invention;

in the figure: 1. a concrete wall panel; 2. a bearing platform; 3. static pressure anchor pile; 4. a steel structure elevator shaft pit steel frame; 41. a cross beam; 42. a connecting rod; 43. a reinforcing mesh; 431. a connecting plate; 432. transverse reinforcing steel bars; 433. erecting steel bars; 44. a column; 45. a steel plate inner die; 5. prefabricating a bottom plate reinforcement cage; 51. a steel bar net cage; 52. a static pressure anchor rod pile mouth; 53. and (5) pressing a pile tension screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: an elevator well with a bottom plate prefabricated reinforcement cage comprises a steel structure elevator well bottom pit section steel frame 4, a prefabricated bottom plate reinforcement cage 5, a concrete wall plate 1 and a static pressure anchor rod pile 3, wherein the static pressure anchor rod pile 3 is buried in soil in an underground mode, a bearing platform 2 is arranged above the static pressure anchor rod pile 3, the concrete wall plate 1 is arranged on the bearing platform 2, the steel structure elevator well bottom pit section steel frame 4 comprises stand columns 44, cross beams 41, reinforcement meshes 43 and steel plate internal molds 45, the stand columns 44 and the cross beams 41 are four in number, the stand columns 44 and the cross beams 41 are welded to form a three-dimensional frame, the reinforcement meshes 43 are arranged in the middle of every two of the four stand columns 44, the reinforcement meshes 43 are double-layered, the reinforcement meshes 43 are four in number, the steel plate internal molds 45 are arranged on the inner walls of the reinforcement meshes 43, and two connecting rods 42 are arranged between the four stand, prefabricated bottom plate steel reinforcement cage 5 includes steel reinforcement cylinder mould 51, static pressure stock stake mouth 52 and pile pressing pulling force screw rod 53, static pressure stock stake mouth 52 has been seted up to steel reinforcement cylinder mould 51's bottom, steel reinforcement cylinder mould 51's bottom fixedly connected with pile pressing pulling force screw rod 53, when steel construction elevator well need be built additional to the old building, only need excavation foundation ditch, hoist and mount adjustment, fall the concrete and tear down the centre form steel sheet at the scene, make the great simplification of construction process flow of well pit and do not receive the influence of weather in the mill's manufacture process, at the scene engineering time very short, ensure that the safety of whole well pit construction is high-quality, high-efficient convenient.

Specifically, the concrete wallboard 1 is a concrete body formed by pouring concrete after the steel structure elevator shaft pit section steel frame 4 is installed.

Specifically, the reinforcing mesh 43 includes vertical reinforcing bars 433, horizontal reinforcing bars 432 and connecting plates 431, the connecting plates 431 are welded between the two columns 44, and the vertical reinforcing bars 433 and the horizontal reinforcing bars 432 are arranged in a grid shape in a criss-cross manner.

Specifically, the transverse reinforcing steel bars 432 pass through the circular holes formed in the upright posts 44 and are located on the outer sides of the upright posts 44, and the length of the transverse reinforcing steel bars 432 located on the outer sides of the upright posts 44 is 500 mm.

The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, steel construction elevator well pit festival steelframe 4 is in the mill, reinforcing bar cylinder mould 51, static pressure stock stake mouth 52 and pile pressing tension screw 53 are prefabricated, the job site only need dig the elevartor shaft foundation ditch, steel construction elevator well pit festival steelframe 4 that will prefabricate is pulled to the scene, put in the elevartor shaft that digs with hoist handle steel construction elevator well pit festival steelframe 4, pass pit festival steelframe crossbeam 41 with two girder steels, support and adjust then divide twice concreting after good, accomplish the preparation of steel construction elevator well pit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take elevator well of prefabricated steel reinforcement cage of bottom plate, includes steel construction elevator well pit festival steelframe (4), prefabricated bottom plate steel reinforcement cage (5), concrete wall board (1) and static pressure stock stake (3), its characterized in that: the static pressure anchor rod pile (3) is buried underground in soil, a bearing platform (2) is arranged above the static pressure anchor rod pile (3), a concrete wall plate (1) is arranged on the bearing platform (2), a steel structure elevator well pit section steel frame (4) comprises upright columns (44), cross beams (41), reinforcing mesh (43) and steel plate internal molds (45), the number of the upright columns (44) and the number of the cross beams (41) are four, the upright columns (44) and the cross beams (41) are welded to form a three-dimensional frame, the four steel mesh (43) are arranged in the middle of every two upright columns (44), the number of the reinforcing mesh (43) is four, the steel plate internal molds (45) are arranged on the inner wall of the reinforcing mesh (43), the four steel plate internal molds (44) are arranged between the upright columns (44) in a crossed mode, two connecting rods (42) are arranged between the upright columns (44), and the prefabricated bottom plate reinforcing, The static pressure anchor rod pile mouth (52) and pile pressing tension screw (53), the static pressure anchor rod pile mouth (52) has been seted up to the bottom of steel reinforcement cylinder mould (51), the bottom fixedly connected with pile pressing tension screw (53) of steel reinforcement cylinder mould (51).

2. The elevator shaft with the bottom plate prefabricated reinforcement cage according to claim 1, characterized in that: the concrete wallboard (1) is a concrete body formed by pouring concrete after the steel structure elevator shaft pit steel frame (4) is installed.

3. The elevator shaft with the bottom plate prefabricated reinforcement cage according to claim 1, characterized in that: the reinforcing mesh (43) comprises vertical reinforcing bars (433), horizontal reinforcing bars (432) and connecting plates (431), the connecting plates (431) are welded between the two upright posts (44), and the vertical reinforcing bars (433) and the horizontal reinforcing bars (432) are arranged in a grid shape in a crossed mode.

4. The elevator shaft with the bottom plate prefabricated reinforcement cage according to claim 3, characterized in that: the transverse reinforcing steel bars (432) penetrate through round holes formed in the upright columns (44) and are located on the outer sides of the upright columns (44), and the length of the transverse reinforcing steel bars (432) located on the outer sides of the upright columns (44) is 500 mm.