阅读说明：本技术 一种优化的出线竖井顶部桥机室结构 (Optimized outlet shaft top bridge machine room structure ) 是由 赵修龙 万祥兵 方丹 李良权 补约依呷 邵兵 陈登义 洪佳敏 陈鹏 钟大宁 孙兴 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种优化的出线竖井顶部桥机室结构,无需增加额外吊运设备吊装预制构件,桥机室浇筑时间大幅提前的优化的出线竖井顶部桥机室结构。所述出线竖井顶部桥机室为多层框架-剪力墙结构,所述出线竖井顶部桥机室包括主牛腿、牛腿以下衬砌、牛腿以上衬砌、中间柱、各层梁、各层板,所述主牛腿设置于牛腿以上衬砌和牛腿以下衬砌之间,牛腿以下衬砌包围的内侧空间设置若干中间柱,中间柱顶端设置各层梁,各层梁交错布置构成网格状结构,各层梁构成的网格结构上方铺设各层板。(The invention discloses an optimized outlet shaft top bridge machine room structure, which is an optimized outlet shaft top bridge machine room structure, wherein the pouring time of a bridge machine room is greatly shortened without adding extra hoisting equipment to hoist prefabricated parts. The outlet shaft top bridge machine room is multilayer frame-shear wall structure, outlet shaft top bridge machine room includes lining cutting, intermediate pillar, each layer roof beam, each plywood below the following lining cutting of main bracket, main bracket sets up between the lining cutting of lining cutting above the bracket and below the bracket, and the inboard space that the lining cutting surrounded below the bracket sets up a plurality of intermediate pillars, and the intermediate pillar top sets up each layer roof beam, and each layer roof beam staggered arrangement constitutes latticed structure, lays each plywood above the grid structure that each layer roof beam constitutes.)

1. The utility model provides a shaft top bridge machine room structure of being qualified for next round of competitions of optimization, characterized by, shaft top bridge machine room (3) of being qualified for the next round of competitions is multilayer frame-shear wall structure, shaft top bridge machine room (3) of being qualified for the next round of competitions includes lining (4) below main bracket (17), the bracket above lining (5), king-post (7), each layer roof beam (8), each layer board (9), main bracket (17) set up between lining (4) below lining (5) and the bracket above lining (5), and the inboard space that lining (4) surrounded below the bracket sets up a plurality of king-posts (7), and king-post (7) top sets up each layer roof beam (8), and each layer roof beam (8) staggered arrangement constitutes latticed structure, and each layer board (9) are laid to the grid structure top that each layer roof beam (8) constitutes.

2. An optimized shaft outlet top bridge cab structure as claimed in claim 1, wherein the liner (4) below the corbel reserves a first notch (10), a main tendon joint (11) is arranged in the first notch (10), and the tail end of each layer of beam (8) is connected with the first notch (10) through the main tendon joint (11).

3. An optimized shaft outlet top bridge cab structure as claimed in claim 1, wherein a second notch (12) is reserved in the liner (4) below the corbel, a distribution rib joint (13) is arranged in the second notch (12), and the edge of each layer board (9) is connected with the second notch (12) through the distribution rib joint (13).

4. The optimized outlet shaft top bridge cab structure as claimed in claim 1, wherein the liner (5) above the bracket is provided with an outlet horizontal hole (18), the inner space surrounded by the liner (4) below the bracket is provided with side columns (6) at the inner hole opening of the outlet horizontal hole (18), and the beams (8) of all layers are connected with the side columns (6).

5. An optimized outlet shaft top bridge cab structure according to claim 4, wherein the side column (6) is additionally provided with side column brackets (14) at the connecting parts with the layers of beams (8), and stress steel bars (15) are arranged in the side column brackets (14).

6. The optimized outlet shaft top bridge machine room structure as claimed in claim 1, wherein a shaft lining (1) is arranged below the outlet shaft top bridge machine room (3), and a shaft prefabricated part (2) is arranged in the shaft lining (1).

Technical Field

The invention discloses an optimized wire outlet shaft top bridge machine room structure which is suitable for the wire outlet shaft top bridge machine room structure.

Background

The outlet shaft of the hydropower station underground powerhouse has the characteristic of high fall, and in order to ensure construction safety, accelerate construction progress and reduce cost, the well lining concrete of the outlet shaft is generally poured by adopting an integral slip form. Inevitably, structures such as floor, stair in the shaft of being qualified for next round of competitions need to adopt prefabricated component. In order to meet the requirements of hoisting and overhauling GIL equipment of the outgoing line shaft, a bridge machine room is required to be arranged at the top of the outgoing line shaft and used for installing a bridge machine, the GIL equipment is hoisted by using the bridge machine and overhauled in the later period, and an elevator machine room, a staircase room, a fan room and the like are further arranged in the bridge machine room. Generally, the bridge machine room at the top of the wire outlet shaft needs to be built with a bent frame from bottom to top after the wire outlet shaft is finished in a sliding mode and prefabricated parts are lifted and installed, and the mode has the defects that extra lifting equipment needs to be added for lifting the prefabricated parts, the lifting time period of the prefabricated parts is long, and the pouring time of the bridge machine room is influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides an optimized outlet shaft top bridge cab structure, which does not need to increase extra hoisting equipment to hoist prefabricated parts and greatly prolongs the pouring time of the bridge cab.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses an optimized outlet shaft top bridge machine room structure, which is of a multi-layer frame-shear wall structure and comprises a main corbel, a lining below the corbel, a lining above the corbel, intermediate columns, beams and plates, wherein the main corbel is arranged between the lining above the corbel and the lining below the corbel, a plurality of intermediate columns are arranged in an inner side space surrounded by the lining below the corbel, the beams are arranged at the top ends of the intermediate columns, the beams are arranged in a staggered mode to form a grid structure, and the plates are laid above the grid structure formed by the beams.

Preferably, a first notch is reserved in the lining below the bracket, a main reinforcement joint is arranged in the first notch, and the tail end of each layer of beam is connected with the first notch through the main reinforcement joint.

Preferably, a second notch is reserved in the lining below the corbel, distribution rib joints are arranged in the second notch, and the edges of the laminates are connected with the second notch through the distribution rib joints.

Preferably, the lining above the corbel is provided with a wire outlet horizontal tunnel, the inner space surrounded by the lining below the corbel is provided with a side column at the inner hole of the wire outlet horizontal tunnel, and each layer of beam is connected with the side column.

Preferably, the side column is additionally provided with side column brackets at the connecting parts of the side columns and the beams of each layer, and stressed steel bars are arranged in the side column brackets.

Preferably, a shaft lining is arranged below the bridge machine room at the top of the wire outlet shaft, and a shaft prefabricated part is arranged in the shaft lining.

After the main bracket, the lining below the bracket and the side column are poured and reach the designed strength, the bridge crane is hoisted to the main bracket and is installed. And hoisting the well body prefabricated part to the corresponding part of the well body lining by using the bridge crane to install the well body prefabricated part. And after the well prefabricated components are completely installed, erecting a mould and pouring a lining above the corbel, a middle column, each layer of beam and each layer of laminate to form a complete outlet shaft top bridge machine room.

According to the invention, the main bracket and the lower part for installing the bridge crane are poured in advance, the notch is reserved at the intersection part of each layer of plate girder, and after the bridge crane completely hoists the well prefabricated component, the residual structure of the bridge machine room is poured. Need not to increase extra handling equipment hoist prefabricated component, the bridge machine room pours the optimized outlet shaft top bridge machine room structure that time advanced by a wide margin.

Drawings

Fig. 1 is a plan view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

FIG. 3 is a detailed view of the pre-made notch at the joint of the lining below the bracket and each layer of beam.

FIG. 4 is a detailed view of the pre-cut slot at the joint of the lower lining and each layer of the corbel of the present invention.

FIG. 5 is a detailed view of the side column bracket added at the connecting part of the side column and each layer of beam.

The figure is marked with:

1. lining the well body; 2. prefabricating a well body; 3. the bridge machine room is arranged at the top of the wire outlet shaft; 4. lining below the bracket; 5. lining above the bracket; 6. side columns; 7. a middle column; 8. each layer of beam; 9. each layer plate; 10. a first notch; 11. a main reinforcement joint; 12. a second notch; 13. distributing rib joints; 14. side column corbels; 15. stressed steel bars; 16. a bridge crane; 17. a main corbel; 18. and (5) leading out the wire and leveling the hole.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 and 2, an optimized outlet shaft top bridge cab structure of the invention is a multi-layer frame-shear wall structure. A shaft lining 1 is arranged below a bridge machine room 3 at the top of the wire outlet shaft, and a shaft prefabricated part 2 is arranged in the shaft lining 1.

Shaft top axle machine room 3 of being qualified for next round of competitions shaft top axle machine room 3 includes lining 5, intermediate pillar 7, each layer roof beam 8, each plywood 9 above lining 4, the bracket below main bracket 17, the bracket, main bracket 17 sets up between lining 4 below lining 5 and the bracket above the bracket, and the inboard space that lining 4 surrounds sets up a plurality of intermediate pillars 7 below the bracket, and the 7 top of intermediate pillar sets up each layer roof beam 8, and each layer roof beam 8 staggered arrangement constitutes latticed structure, lays each plywood 9 above the grid structure that each layer roof beam 8 constitutes.

First notch 10 is reserved to following lining cutting 4 of bracket, is equipped with main muscle in the first notch 10 and connects 11, the first notch 10 is connected through main muscle joint 11 to the end of each layer roof beam 8. The depth of the first notch 10 is 300 mm.

A second notch 12 is reserved in the lining 4 below the bracket, a distribution rib joint 13 is arranged in the second notch 12, and the edge of each layer plate 9 is connected with the second notch 12 through the distribution rib joint 13. The depth of the second notch 12 is 300 mm.

The lining 5 above the bracket is provided with a wire outlet horizontal tunnel 18, the inner space surrounded by the lining 4 below the bracket is provided with a side column 6 at the inner side opening of the wire outlet horizontal tunnel 18, and each layer of beam 8 is connected with the side column 6.

The side column 6 is additionally provided with side column brackets 14 at the connecting parts of the layers of beams 8, and stress steel bars 15 are arranged in the side column brackets 14. The side column bracket 14 is 250mm in outer overhang, 400mm in width and 500mm in height.

And after the main bracket 17, the lining 4 below the bracket and the side column 6 are poured and reach the designed strength, hoisting the bridge crane 16 to the main bracket 17, and completing installation. And hoisting the well prefabricated part 2 to the corresponding part of the well lining 1 by using the bridge crane 16 to install the well prefabricated part 2. And after the well prefabricated parts 2 are completely installed, erecting a formwork and pouring a liner 5 above a bracket, a middle column 7, each layer of beam 8 and each layer of slab 9 to form a complete outlet shaft top bridge machine room.

The optimized outlet shaft top bridge machine room structure has the remarkable advantages of small construction interference, high efficiency, short construction period and the like. Need not to increase extra handling equipment hoist prefabricated component, the bridge machine room pours the optimized outlet shaft top bridge machine room structure that time advanced by a wide margin.