CN112727152B - Connection structure between construction stair and floor in deep basal pit - Google Patents
Connection structure between construction stair and floor in deep basal pit Download PDFInfo
- Publication number
- CN112727152B CN112727152B CN202011575369.7A CN202011575369A CN112727152B CN 112727152 B CN112727152 B CN 112727152B CN 202011575369 A CN202011575369 A CN 202011575369A CN 112727152 B CN112727152 B CN 112727152B
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- stair
- fixed
- floor
- rod
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a connecting structure between a construction stair and a floor slab in a deep foundation pit, which comprises a floor and a stair rod, wherein the upper end of the stair rod is positioned at the upper side of the floor and is fixed with a bottom longitudinal beam through a building fastener; the steel framework of cuboid form is fixed on the rear end of end longeron and the top of stair pole, and the steel framework supports and leans on the up end of floor, the steel framework include a plurality of stands, the stand that is close to end longeron one side passes through building fastener and end longeron mounting, the upper end of stand is fixed with two roof beams through building fastener, fixed two roof longerons through building fastener on the roof beam, the roof longeron that is close to stair pole one side passes through building fastener and the top looks rigid coupling of stair pole.
Description
Technical Field
The invention relates to the technical field of building connection support frames, in particular to a connection structure between a construction stair and a floor slab in a deep foundation pit.
Background
In modern building engineering, underground structures can be used as functional areas for parking, equipment, civil air defense, traffic and the like. With the large-scale development of underground structures, a large number of deep foundation pit projects are continuously emerging. The construction of deep foundation pit engineering is realized gradually along with the layer-by-layer excavation of earthwork, and personnel and materials need to enter the underground layer by layer during construction. Because the construction site of the deep foundation pit has large variability and is constructed from top to bottom, the use of the sizing stairway produced in factory is limited. The up and down of personnel generally adopt simple stairs which are formed by connecting field scaffold steel pipes, and the stairs have simple structures, but have poor comfort and safety. Moreover, the construction stairs are generally arranged at the periphery of the foundation pit, while the deep foundation pit is generally excavated in advance in the central area, and the stair installation is seriously delayed.
Therefore, the construction stair capable of being hung on the building support beam in the deep foundation pit is provided, the construction stair is generally Z-shaped, the middle part of the construction stair is fixed on the hanging support, meanwhile, the upper end of the construction stair is placed on a floor slab of a building in the deep foundation pit, the hidden danger that the upper end of the construction stair displaces exists is simply placed, so the upper end of the construction stair needs to be fixedly connected with the building, the expansion bolt is installed on the floor slab in a punching mode in the traditional installation mode, then, the steel pipe on the construction stair is fixedly connected with the floor slab through the corresponding building connecting piece, a plurality of holes need to be drilled in the expansion bolt mode, and the installation and the disassembly of the construction stair are troublesome.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a connecting structure between a construction stair and a floor slab in a deep foundation pit, which is convenient for installation and disassembly between the construction stair and the floor slab in the deep foundation pit, and is convenient for the construction stair to be integrally transferred and applied to other deep foundation pits.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a connecting structure between a construction stair and a floor in a deep foundation pit comprises a floor of a building in the deep foundation pit and a construction stair built by a scaffold, wherein the construction stair comprises two inclined stair rods, the upper ends of the stair rods are positioned on the upper side of the floor and are fixed with bottom longitudinal beams through building fasteners, a plurality of bottom cross beams are fixed on the bottom longitudinal beams through the building fasteners, upper rubber sleeves are fixed on the bottom cross beams through inserting sleeves, and the upper rubber sleeves are pressed against the upper end surfaces of the floor; the rear end of the bottom longitudinal beam and the top end of the stair rod are fixed on a cuboid-shaped steel framework, the steel framework abuts against the upper end face of a floor, the steel framework comprises a plurality of stand columns, the stand column close to one side of the bottom longitudinal beam is fixed with the bottom longitudinal beam through a building fastener, two top cross beams are fixed at the upper ends of the stand columns through the building fastener, the two top longitudinal beams are fixed on the top cross beams through the building fastener, and the top longitudinal beam close to one side of the stair rod is fixedly connected with the top end of the stair rod through the building fastener;
a vertical baffle pipe is fixed at the front end of the bottom longitudinal beam, which extends out of the stair rod through a building fastener, triangular slots are arranged among the baffle pipe, the bottom longitudinal beam and the stair rod in a surrounding manner, a transverse rotating rod is inserted in the slots, linkage rods are fixed at the two ends of the rotating rod, which extend out of the slots through the building fastener, longitudinal connecting pipes are fixed at the lower ends of the linkage rods through the building fastener, a transverse pressing pipe is fixed between the connecting pipes, a lower rubber sleeve is fixed on an upper inserting sleeve of the pressing pipe, and the lower rubber sleeve is pressed on the lower end surface of a floor; the linkage rod is fixed with the inclined supporting tube through a building fastener, the upper end of the inclined supporting tube is inserted into the steel framework and is fixed with a transverse locking rod through the building fastener, and two ends of the locking rod are fixedly connected with the top longitudinal beam through the building fastener.
Preferably, the lower end of the baffle pipe is fixed with a transverse reinforcing pipe through a building fastener, and the reinforcing pipe is fixedly connected with the stair rod through the building fastener.
Preferably, the stair rod, the blocking pipe, the bottom longitudinal beam and the rotating rod are all made of steel pipes, and the outer wall of the rotating rod abuts against the outer walls of the blocking pipe, the bottom longitudinal beam and the stair rod.
Preferably, the length of the bottom cross beams is larger than the distance between the bottom longitudinal beams, and the bottom cross beams are linearly and uniformly distributed on the bottom longitudinal beams.
Preferably, the bottom cross beam is positioned at the lower side of the bottom longitudinal beam.
Preferably, the top cross beam on the steel framework is positioned on the upper side of the top longitudinal beam.
Preferably, the two ends of the rotating rod are fixed with auxiliary pipes through building fasteners, and the auxiliary pipes are fixedly connected with the inclined supporting pipes through the building fasteners.
The invention has the beneficial effects that: the installation and the dismantlement between its convenient construction stair and the interior floor of deep basal pit, the construction stair of being convenient for can wholly shift, use in other deep basal pits.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention.
In the figure: 1. a floor; 2. a stair rod; 3. a bottom stringer; 4. a steel framework; 41. a column; 42. a top stringer; 43. a top beam; 5. a bottom cross member; 6. mounting a rubber sleeve; 7. blocking the pipe; 8. reinforcing the pipe; 9. a rotating rod; 10. a linkage rod; 11. a connecting pipe; 12. pressing a pipe; 13. a rubber sleeve is arranged; 14. and (4) obliquely supporting the tube.
Detailed Description
Example (b): as shown in fig. 1 to 3, the connecting structure between the construction stair and the floor in the deep foundation pit comprises a floor 1 of a building in the deep foundation pit and a construction stair built by a scaffold, wherein the construction stair comprises two inclined stair rods 2, the upper ends of the stair rods 2 are positioned on the upper side of the floor 1 and are fixed with a bottom longitudinal beam 3 through a building fastener, a plurality of bottom cross beams 5 are fixed on the bottom longitudinal beam 3 through the building fastener, an upper rubber sleeve 6 is fixed on the bottom cross beam 5 in an inserting and sleeving manner, and the upper rubber sleeve 6 is pressed on the upper end surface of the floor 1; the rear end of the bottom longitudinal beam 3 and the top end of the stair rod 2 are fixed on a cuboid-shaped steel framework 4, the steel framework 4 is abutted against the upper end face of the floor 1, the steel framework 4 comprises a plurality of upright columns 41, the upright column 41 close to one side of the bottom longitudinal beam 3 is fixed with the bottom longitudinal beam 3 through a building fastener, the upper end of the upright column 41 is fixed with two top cross beams 43 through the building fastener, the top cross beam 43 is fixed with two top longitudinal beams 42 through the building fastener, and the top longitudinal beam 42 close to one side of the stair rod 2 is fixedly connected with the top end of the stair rod 2 through the building fastener;
a vertical baffle pipe 7 is fixed at the front end of the bottom longitudinal beam 3, which extends out of the stair rod 2 through a building fastener, triangular slots a are arranged among the baffle pipe 7, the bottom longitudinal beam 3 and the stair rod 2, a transverse rotating rod 9 is inserted in the slots a, linkage rods 10 are fixed at the two ends of the rotating rod 9, which extend out of the slots a through the building fastener, longitudinal connecting pipes 11 are fixed at the lower ends of the linkage rods 10 through the building fastener, a transverse pressing pipe 12 is fixed between the connecting pipes 11, a lower rubber sleeve 13 is fixed on the pressing pipe 12 in an inserting and sleeving manner, and the lower rubber sleeve 13 is pressed on the lower end face of the floor 1; the linkage rod 10 is fixed with an inclined supporting tube 14 through a building fastener, the upper end of the inclined supporting tube 14 is inserted into the steel framework 4 and is fixed with a transverse locking rod 15 through the building fastener, and two ends of the locking rod 15 are fixedly connected with the top longitudinal beam 42 through the building fastener.
The lower end of the baffle pipe 7 is fixed with a transverse reinforcing pipe 8 through a building fastener, and the reinforcing pipe 8 is fixedly connected with the stair rod 2 through the building fastener.
The stair rod 2, the blocking pipe 7, the bottom longitudinal beam 3 and the rotating rod 9 are all made of steel pipes, and the outer wall of the rotating rod 9 abuts against the outer walls of the blocking pipe 7, the bottom longitudinal beam 3 and the stair rod 2.
The length of the bottom cross beams 5 is larger than the distance between the bottom longitudinal beams 3, and the bottom cross beams 5 are linearly and uniformly distributed on the bottom longitudinal beams 3.
The bottom cross beam 5 is positioned at the lower side of the bottom longitudinal beam 3.
The top cross beam 43 on the steel framework 4 is positioned on the upper side of the top longitudinal beam 42.
Two ends of the rotating rod 9 are fixed with auxiliary pipes through building fasteners, and the auxiliary pipes are fixedly connected with the inclined supporting pipes 14 through the building fasteners.
The working principle is as follows: the invention relates to a connecting structure between a construction stair and a floor slab in a deep foundation pit, which is built by steel pipes of scaffolds and building fasteners, the construction stair is also built by the scaffolds, the connecting structure and the construction stair are integrated, when the connecting structure is installed on a floor 1, a bottom cross beam 5 is arranged on the upper side of the floor 1, then an inclined supporting pipe 14 is upwards rotated, the inclined supporting pipe 14 can realize that a pressure pipe 12 rotates around a rotating rod 9 and is pressed on the lower end surface of the floor 1 by using the rotating rod 9 as a fulcrum, the bottom cross beam 5 and the pressure pipe 12 are clamped on the floor 1 to realize fixed connection, and finally a locking rod 15 is locked and fixed on a steel framework 4 by the building fasteners.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (5)
1. The utility model provides a connection structure between construction stair and floor in deep basal pit, includes floor (1) of building in the deep basal pit and the construction stair that the scaffold was set up, and construction stair includes stair rod (2) of two slopes, and the upper end of stair rod (2) is located the upside of floor (1) and is fixed with end longeron (3) through the building fastener, and end longeron (3) are gone up through the fixed a plurality of root end crossbeams (5) of building fastener, its characterized in that: an upper rubber sleeve (6) is fixed on the bottom cross beam (5) in an inserting way, and the upper rubber sleeve (6) is pressed on the upper end surface of the floor (1); the rear end of the bottom longitudinal beam (3) and the top end of the stair rod (2) are fixed on a rectangular steel framework (4), the steel framework (4) is abutted against the upper end face of the floor (1), the steel framework (4) comprises a plurality of upright columns (41), the upright column (41) close to one side of the bottom longitudinal beam (3) is fixed with the bottom longitudinal beam (3) through a building fastener, two top cross beams (43) are fixed at the upper ends of the upright columns (41) through the building fastener, the two top longitudinal beams (42) are fixed on the top cross beams (43) through the building fastener, and the top longitudinal beam (42) close to one side of the stair rod (2) is fixedly connected with the top end of the stair rod (2) through the building fastener;
the front end of the bottom longitudinal beam (3) extends out of the stair rod (2) and is fixed with a vertical blocking pipe (7) through a building fastener, triangular slots (a) are formed among the blocking pipe (7), the bottom longitudinal beam (3) and the stair rod (2), a transverse rotating rod (9) is inserted in each slot (a), two ends of each rotating rod (9) extend out of the slots (a) and are fixed with a linkage rod (10) through the building fastener, the lower end of each linkage rod (10) is fixed with a longitudinal connecting pipe (11) through the building fastener, a transverse pressing pipe (12) is fixed between the connecting pipes (11), a lower rubber sleeve (13) is fixed on each pressing pipe (12) in an inserting and sleeving manner, and the lower rubber sleeve (13) is pressed on the lower end face of the floor (1); the linkage rod (10) is fixedly provided with an inclined supporting tube (14) through a building fastener, the upper end of the inclined supporting tube (14) is inserted into the steel framework (4) and is fixedly provided with a transverse locking rod (15) through the building fastener, and two ends of the locking rod (15) are fixedly connected with the top longitudinal beam (42) through the building fastener;
the lower end of the baffle pipe (7) is fixed with a transverse reinforcing pipe (8) through a building fastener, and the reinforcing pipe (8) is fixedly connected with the stair rod (2) through the building fastener;
stair pole (2), keep off pipe (7), end longeron (3) and bull stick (9) all adopt the steel pipe, the outer wall of bull stick (9) supports and leans on the outer wall that keeps off pipe (7), end longeron (3) and stair pole (2).
2. The connection structure between construction stair and floor in deep basal pit according to claim 1, characterized in that: the length of the bottom cross beams (5) is larger than the distance between the bottom longitudinal beams (3), and the bottom cross beams (5) are linearly and uniformly distributed on the bottom longitudinal beams (3).
3. The connection structure between construction stair and floor in deep basal pit according to claim 2, characterized in that: the bottom cross beam (5) is positioned at the lower side of the bottom longitudinal beam (3).
4. The connection structure between construction stair and floor in deep basal pit according to claim 1, characterized in that: and a top cross beam (43) on the steel framework (4) is positioned on the upper side of the top longitudinal beam (42).
5. The connection structure between construction stair and floor in deep basal pit according to claim 1, characterized in that: and auxiliary pipes are fixed at two ends of the rotating rod (9) through building fasteners, and the auxiliary pipes are fixedly connected with the inclined supporting pipes (14) through the building fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011575369.7A CN112727152B (en) | 2020-12-28 | 2020-12-28 | Connection structure between construction stair and floor in deep basal pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011575369.7A CN112727152B (en) | 2020-12-28 | 2020-12-28 | Connection structure between construction stair and floor in deep basal pit |
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| Publication Number | Publication Date |
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| CN112727152A CN112727152A (en) | 2021-04-30 |
| CN112727152B true CN112727152B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011575369.7A Active CN112727152B (en) | 2020-12-28 | 2020-12-28 | Connection structure between construction stair and floor in deep basal pit |
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| CN (1) | CN112727152B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202731730U (en) * | 2012-07-24 | 2013-02-13 | 中建四局第六建筑工程有限公司 | Assembled type safety stair constructed in foundation pit for building construction |
| CN102995916A (en) * | 2012-12-13 | 2013-03-27 | 上海建工四建集团有限公司 | Safe and practical tread board for realizing simple and convenient disassembly and assembly of temporary staircase in construction site |
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| CN104234447A (en) * | 2014-09-24 | 2014-12-24 | 北京建工土木工程有限公司 | Tool-type suspension staircase for deep foundation pit |
| CN204492226U (en) * | 2014-09-22 | 2015-07-22 | 中建四局第六建筑工程有限公司 | A kind of lower foundation ditch steel stair passage |
| CN205296892U (en) * | 2015-11-27 | 2016-06-08 | 武汉市汉阳市政建设集团公司 | A merogenesis stair and up -downgoing passageway for deep foundation pit construction is current from top to bottom |
| CN112031467A (en) * | 2020-08-24 | 2020-12-04 | 北京凯道建设工程有限公司 | Interim escape way is used to foundation ditch |
| CN212176685U (en) * | 2020-05-09 | 2020-12-18 | 北京卓良模板有限公司 | Instrument formula foundation ditch hangs step ladder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6354013B1 (en) * | 2017-12-06 | 2018-07-04 | 裕 千田 | Stair lift |
| CN209066866U (en) * | 2018-10-24 | 2019-07-05 | 浙江华东工程咨询有限公司 | A kind of rapid-assembling/disassembling tool-type closed stair formwork structure |
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2020
- 2020-12-28 CN CN202011575369.7A patent/CN112727152B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147161A (en) * | 2000-11-16 | 2002-05-22 | Shigeo Ueno | Muck loading equipment for vertical shaft excavation |
| CN101666205A (en) * | 2009-09-19 | 2010-03-10 | 华丰建设股份有限公司 | Foundation pit escape ladder |
| CN202731730U (en) * | 2012-07-24 | 2013-02-13 | 中建四局第六建筑工程有限公司 | Assembled type safety stair constructed in foundation pit for building construction |
| CN102995916A (en) * | 2012-12-13 | 2013-03-27 | 上海建工四建集团有限公司 | Safe and practical tread board for realizing simple and convenient disassembly and assembly of temporary staircase in construction site |
| CN103669865A (en) * | 2013-12-20 | 2014-03-26 | 广东省第四建筑工程公司 | Stair construction method through shaped supports |
| CN204492226U (en) * | 2014-09-22 | 2015-07-22 | 中建四局第六建筑工程有限公司 | A kind of lower foundation ditch steel stair passage |
| CN104234447A (en) * | 2014-09-24 | 2014-12-24 | 北京建工土木工程有限公司 | Tool-type suspension staircase for deep foundation pit |
| CN205296892U (en) * | 2015-11-27 | 2016-06-08 | 武汉市汉阳市政建设集团公司 | A merogenesis stair and up -downgoing passageway for deep foundation pit construction is current from top to bottom |
| CN212176685U (en) * | 2020-05-09 | 2020-12-18 | 北京卓良模板有限公司 | Instrument formula foundation ditch hangs step ladder |
| CN112031467A (en) * | 2020-08-24 | 2020-12-04 | 北京凯道建设工程有限公司 | Interim escape way is used to foundation ditch |
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| Publication number | Publication date |
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| CN112727152A (en) | 2021-04-30 |
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