WO2023226198A1

WO2023226198A1 - Assembly type person access passage having reusable steel structure

Info

Publication number: WO2023226198A1
Application number: PCT/CN2022/110741
Authority: WO
Inventors: 吴凤翔; 刘智彬; 艾晶; 韦应彬; 孟柯; 杨可欣; 卢奇; 韩青芝; 韦静林; 王利国
Original assignee: 中国建筑第二工程局有限公司
Priority date: 2022-05-24
Filing date: 2022-08-08
Publication date: 2023-11-30
Also published as: CN217581440U

Abstract

An assembly type person access passage having a reusable steel structure. The passage is convenient to assemble at a construction site, requires less site operation, has a high safety, and is very convenient to mount and dismount; and the passage can be adjusted and has a good applicability, such that the passage can be used in various construction projects in a reusable manner, thereby reducing construction costs. The assembly type person access passage with a reusable steel structure comprises an assembly type supporting frame, a assembly type stair and two assembly type fences, wherein the assembly type stair is obliquely arranged; one end of the assembly type stair is connected to an upper portion of the assembly type supporting frame, and the other end of the assembly type stair is connected to a lower portion of the assembly type supporting frame; and the two assembly type fences are both mounted at the top of the assembly type supporting frame, and are symmetrically arranged on two sides of the assembly type stair.

Description

An assembled rotatable steel structure access channel

Technical field

The utility model relates to the technical field of building construction, and in particular to an assembled and turnable steel structure access passage.

Background technique

Construction industrialization has been widely promoted across the country, and prefabricated buildings are the mainstream of the development of the construction industry. The main components of prefabricated buildings are prefabricated concrete elements, including prefabricated stairs.

Combined with the construction process, after the concrete pouring is completed, the stairs can be hoisted only after the concrete strength of the corbel beams on the rest platform reaches the design requirements. At the same time, after the stair hoisting is completed, there is no access to the upper structure formwork when erecting it. Therefore, during the above-mentioned construction stages, it is necessary to adopt safe and reliable temporary access channels. According to the existing practice, steel pipe scaffolding needs to be erected as a temporary passage. However, the steel pipe scaffolding needs to be re-erected and dismantled on each floor, which is time-consuming and labor-intensive, and is not safe. Some construction projects also use steel structures for access. However, due to Each staircase has a different size, and the existing steel structure's access channel can only be used in one size. Therefore, the access channel of the above-mentioned steel structure cannot be used in different construction projects, resulting in a lot of waste.

Utility model content

In order to overcome the shortcomings of the above-mentioned technologies, the purpose of this utility model is to provide an assembly-type turnover steel structure access passage.

The technical solution adopted by the utility model is: an assembled rotatable steel structure access passage, including a spliced support frame, a spliced staircase and two spliced fences. The spliced staircase is arranged at an angle, and the spliced staircase is arranged at an angle. One end of the staircase is connected to the upper part of the spliced support frame, and the other end is connected to the lower part of the spliced support frame. The two spliced fences are installed on the top of the spliced support frame, and the two spliced fences are symmetrically arranged on the spliced support frame. on both sides of the staircase.

The spliced support frame includes two first main frames arranged in parallel at intervals. Each first main frame is connected to a second main frame. The upper part of the first main frame is connected to the second main frame through a third bolt. The upper part is connected, and the lower part of the first main frame is connected to the lower part of the second main frame through a fourth bolt. The first main frame includes a first upper horizontal square tube, a first lower horizontal square tube, a first bolt, a first The vertical square passage and the second vertical square passage penetrated in the first vertical square passage. The first vertical square passage is provided with a plurality of first hole groups at intervals along its length direction, and the first holes in each group are The group includes two first through holes symmetrically arranged on both sides of the first vertical square passage, and multiple sets of second hole groups are arranged along the length direction of the second vertical square passage, and each second hole group includes Two second through holes are symmetrically arranged on both sides of the second vertical square passage. The first through hole and the second through hole have the same diameter. The first bolt passes through the two second through holes in a first hole group. One through hole and two second through holes in a second hole group, thereby connecting the first vertical square passage and the second vertical square passage together, the first upper horizontal square passage and the second vertical square passage The upper part of the square tube is vertically fixedly connected. The first upper horizontal square tube is provided with a plurality of third hole groups at intervals along its length direction. Each third hole group includes two symmetrically arranged on the first upper horizontal square tube. The third through holes on both sides, the first lower horizontal square passage is vertically fixedly connected to the lower part of the first vertical square passage, and multiple groups of the first lower horizontal square passage are arranged at intervals along its length direction. The fourth hole group, each group of the fourth hole group includes two fourth through holes symmetrically arranged on both sides of the first lower horizontal square passage; the second main frame includes a flip corbel, a second upper horizontal square passage, The second lower horizontal square passage, the second bolt, the third vertical square passage and the fourth vertical square passage penetrated in the third vertical square passage. The third vertical square passage is arranged at intervals along its length direction. There are multiple fifth hole groups. Each fifth hole group includes two fifth through holes symmetrically arranged on both sides of the third vertical square passage. The fourth vertical square passage is provided with multiple fifth holes at intervals along its length direction. A sixth hole group, each sixth hole group includes two sixth through holes symmetrically arranged on both sides of the fourth vertical square passage, the diameters of the fifth through hole and the sixth through hole are the same, and the second bolt Two fifth through holes of a fifth hole group and two sixth through holes of a sixth hole group are passed through, thereby connecting the third vertical square passage and the fourth vertical square passage together. The second upper horizontal square passage is vertically fixedly connected to the upper part of the fourth vertical square passage. The second upper horizontal square passage is provided with a plurality of seventh hole groups at intervals along its length direction. Each seventh hole group includes Two seventh through holes are symmetrically arranged on both sides of the second upper horizontal square passage. The second lower horizontal square passage is vertically fixedly connected to the lower part of the third vertical square passage. The upper edge of the second lower horizontal square passage A plurality of eighth hole groups are arranged at intervals along the length direction. Each eighth hole group includes two eighth through holes symmetrically arranged on both sides of the second lower horizontal square passage. The third through hole and the seventh through hole The diameters of the holes are the same, the diameters of the fourth through hole and the eighth through hole are the same, the second upper horizontal square passage is penetrated in the first upper horizontal square passage, and the third bolt is penetrated through a third Two third through holes of the hole group and two seventh through holes of the seventh hole group, so that the first upper horizontal square passage and the second upper horizontal square passage are connected together, and the second lower horizontal square passage The fourth bolt is penetrated in the first lower horizontal square passage, and passes through two fourth through holes of a fourth hole group and two eighth through holes of an eighth hole group, so that the first The lower horizontal square tube is connected with the second lower horizontal square tube, the turning corbels are fixedly connected with the lower part of the third vertical square tube, and the turning corbels and the second lower horizontal square tube are respectively arranged on the third vertical square tube. Both sides of the square pass.

The spliced staircase includes two three-step step modules, three second-step step modules and two other three-step step modules that are connected by bolts from top to bottom in sequence. The three-step step modules include two spaced apart parallel arrangements. The first inclined square tube, the tail end of each first inclined square tube is fixedly connected to a second inclined square tube, one end of the first inclined square tube is fixedly inserted into one end of the second inclined square tube, There are three first step plates connected in sequence between the two second inclined square passages, and the two ends of the first step plate are fixedly connected to the two second inclined square passages respectively; the second-stage step module includes two spaced parallel The third inclined square channel is provided, and the tail end of each third inclined square channel is fixedly connected to a fourth inclined square channel, and one end of the third inclined square channel is fixedly inserted into one end of the fourth inclined square channel. , two second step boards connected in sequence are provided between the two fourth inclined square tubes, and the two ends of the second step plates are respectively fixedly connected with the two fourth inclined square tubes; the first inclined square tube and the second inclined square tube The three inclined square tubes are square tubes with the same specifications. The second inclined square tube and the fourth inclined square tube are square tubes with the same specifications. The two first inclined square tubes of the top three-step step module are respectively connected with the two second inclined square tubes. The two vertical square passages are connected by bolts, and the two second inclined square passages of the lowermost three-step step module are connected by bolts to the two third vertical square passages respectively.

The spliced fence includes a middle railing and two end railings symmetrically arranged at both ends of the middle railing. The two ends of the middle railing are connected to the two end railings through bolts. The middle railing is in a stem shape, so The end railings are in an F shape, and the two end railings are connected to the first upper horizontal square passage and the second upper horizontal square passage respectively through bolts.

Compared with the existing technology, the present utility model has the following beneficial effects: the assembled rotatable steel structure access passage described in the present utility model is easy to splice during construction, has less on-site operations and is highly safe; the installation and It is very convenient to disassemble, can be adjusted, has good applicability, and can be used in different construction projects to reduce construction costs.

Description of the drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a side view of Figure 1;

Figure 3 is a schematic structural diagram of the first main frame;

Figure 4 is a schematic structural diagram of the second main frame;

Figure 5 is a schematic structural diagram of flipping the corbel;

Figure 6 is a side view of Figure 5;

Figure 7 is a top view of Figure 5;

Figure 8 is a schematic structural diagram of the three-stage stepping module;

Figure 9 is a schematic structural diagram of the second-stage step module;

Figure 10 is a schematic structural diagram of the middle railing;

Figure 11 is a schematic structural diagram of the end railing.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 11, an assembled rotatable steel structure access passage includes a spliced support frame, a spliced staircase and two spliced fences. The spliced staircase is arranged at an angle. One end is connected to the upper part of the spliced support frame, and the other end is connected to the lower part of the spliced support frame. The two spliced fences are installed on the top of the spliced support frame, and the two spliced fences are symmetrically arranged on the spliced support frame. Both sides of the stairs.

The spliced support frame includes two first main frames 1 arranged in parallel at intervals. Each first main frame 1 is connected to a second main frame 2. The upper part of the first main frame 1 is connected to the main frame 1 through a third bolt 3. The upper part of the second main frame 2 is connected, and the lower part of the first main frame 1 is connected to the lower part of the second main frame 2 through the fourth bolt 4. The first main frame 1 includes a first upper horizontal square passage 16, a first lower The first horizontal square passage 17, the first bolt 15, the first vertical square passage 11 and the second vertical square passage 12 passing through the first vertical square passage 11. The length of the first vertical square passage 11 is A plurality of first hole groups are arranged at intervals in the direction. Each first hole group includes two first through holes 13 symmetrically arranged on both sides of the first vertical square passage 11. The second vertical square passage 12 is arranged along its A plurality of second hole groups are arranged at intervals in the length direction. Each second hole group includes two second through holes 14 symmetrically arranged on both sides of the second vertical square passage 12. The first through hole 13 and the second through hole are The diameters of the holes 14 are the same, and the first bolts 15 pass through two first through holes 13 in a first hole group and two second through holes 14 in a second hole group, thereby connecting the first vertical The straight square passage 11 and the second vertical square passage 12 are connected together. The first upper horizontal square passage 16 is vertically fixedly connected to the upper part of the second vertical square passage 12. The upper edge of the first upper horizontal square passage 16 A plurality of third hole groups are arranged at intervals along the length direction. Each third hole group includes two third through holes 18 symmetrically arranged on both sides of the first upper horizontal square passage 16. The first lower horizontal square passage is The passage 17 is vertically fixedly connected to the lower part of the first vertical square passage 11. The first lower horizontal square passage 17 is provided with a plurality of fourth hole groups at intervals along its length direction. Each fourth hole group includes two A fourth through hole 19 is symmetrically arranged on both sides of the first lower horizontal square passage 17; the second main frame 2 includes a flip corbel 210, a second upper horizontal square passage 26, a second lower horizontal square passage 27, The second bolt 25, the third vertical square passage 21 and the fourth vertical square passage 22 penetrated in the third vertical square passage 21. The third vertical square passage 21 is provided with a plurality of holes at intervals along its length direction. Each fifth hole group includes two fifth through holes 23 symmetrically arranged on both sides of the third vertical square passage 21. The fourth vertical square passage 22 is provided with at intervals along its length direction. There are multiple sixth hole groups. Each sixth hole group includes two sixth through holes 24 symmetrically arranged on both sides of the fourth vertical square passage 22. The diameters of the fifth through hole 23 and the sixth through hole 24 are the same. The second bolts 25 pass through two fifth through holes 23 of a fifth hole group and two sixth through holes 24 of a sixth hole group, thereby connecting the third vertical square passage 21 and the fourth vertical hole. The straight rectangular passages 22 are connected together, and the second upper horizontal rectangular passage 26 is vertically fixedly connected to the upper part of the fourth vertical rectangular passage 22. The second upper horizontal rectangular passage 26 is provided with multiple spacers at intervals along its length direction. A seventh hole group, each seventh hole group includes two seventh through holes 28 symmetrically arranged on both sides of the second upper horizontal square passage 26, the second lower horizontal square passage 27 and the third vertical square passage The lower part of 21 is vertically fixedly connected. The second lower horizontal square passage 27 is provided with a plurality of eighth hole groups at intervals along its length direction. Each eighth hole group includes two symmetrically arranged on the second lower horizontal square passage. 27 on both sides of the eighth through hole 29, the third through hole 18 and the seventh through hole 28 have the same diameter, the fourth through hole 19 and the eighth through hole 29 have the same diameter, the second upper part is horizontal The square passage 26 is penetrated in the first upper horizontal square passage 16, and the third bolt 3 is penetrated through two third through holes 18 of a third hole group and two seventh through holes of a seventh hole group. 28, so that the first upper horizontal square tube 16 and the second upper horizontal square tube 26 are connected together, the second lower horizontal square tube 27 is penetrated in the first lower horizontal square tube 17, and the fourth bolt 4. Pass through two fourth through holes 19 of a fourth hole group and two eighth through holes 29 of an eighth hole group, thereby making the first lower horizontal square passage 17 and the second lower horizontal square passage 27 Connected together, the flipping corbel 210 is fixedly connected to the lower part of the third vertical square passage 21 , and the flipping corbel 210 and the second lower horizontal square passage 27 are respectively arranged on both sides of the third vertical square passage 21 .

By inserting the first bolts 15 into different first hole groups and second hole groups, the relative position between the first vertical square passage 11 and the second vertical square passage 12 is adjusted, thereby adjusting the first vertical square passage 11 and the second vertical square passage 12 . The height of main frame 1.

By inserting the second bolts 25 in different third hole groups and fourth hole groups, the relative position between the third vertical square passage 21 and the fourth vertical square passage 22 is adjusted, thereby adjusting the second The height of the main frame 2.

By inserting the third bolt 3 in different third hole groups and seventh hole groups, the relative position between the first upper horizontal square tube 16 and the second upper horizontal square tube 26 is adjusted, thereby adjusting the splicing type The length of the support frame.

By inserting the fourth bolt 4 in different fourth hole groups and eighth hole groups, the relative position between the first lower horizontal square tube 17 and the second lower horizontal square tube 27 is adjusted, thereby adjusting the splicing. The length of the support frame.

The spliced staircase includes two three-step step modules 5, three second-step step modules 6 and two other three-step step modules 5 that are connected by bolts from top to bottom. The three-step step module 5 includes two There are first inclined square tubes 51 arranged in parallel at intervals. The tail end of each first inclined square tube 51 is fixedly connected to a second inclined square tube 52. One end of the first inclined square tube 51 is fixedly penetrated through the first inclined square tube 51. In one end of the two inclined square passages 52, three first step plates 53 connected in sequence are provided between the two second inclined square passages 52, and the two ends of the first step plates 53 are fixed to the two second inclined square passages 52 respectively. Connection; the second-stage step module 6 includes two third inclined square passages 61 arranged in parallel and spaced apart. The tail end of each third inclined square passage 61 is fixedly connected with a fourth inclined square passage 62. One end of the inclined square passage 61 is fixedly inserted into one end of the fourth inclined square passage 62. Two second step plates 63 connected in sequence are provided between the two fourth inclined square passages 62. The two sides of the second step plate 63 The ends are respectively fixedly connected to two fourth inclined square tubes 62; the first inclined square tube 51 and the third inclined square tube 61 are square tubes with the same specifications, and the second inclined square tube 52 and the fourth inclined square tube 62 are For square passages with the same specifications, the two first inclined square passages 51 of the uppermost three-step step module 5 are respectively connected with the two second vertical square passages 12 by bolts, and the two first inclined square passages 51 of the three-step step module 5 located at the bottom are connected by bolts. The two second inclined square passages 52 are respectively connected with the two third vertical square passages 21 through bolts.

When two three-step step modules 5 are connected, the first inclined square passage 51 of one three-step step module 5 is inserted into the second inclined square passage 52 of the other three-step step module 5 .

When the third-stage step module 5 is connected to the second-stage step module 6 , the first inclined square passage 51 of the third-stage step module 5 is inserted into the fourth inclined square passage 62 of the second-stage step module 6 .

When two second-level step modules 6 are connected, the third inclined square channel 61 of one second-level step module 6 is inserted into the fourth inclined square channel 62 of the other second-level step module 6 .

The spliced fence includes a middle railing 7 and two end railings 8 symmetrically arranged at both ends of the middle railing 7. The two ends of the middle railing 7 are respectively connected to the two end railings 8 by bolts. The middle railing 7 It is in the shape of a stem, and the end railings 8 are in the shape of an F. The two end railings 8 are connected to the first upper horizontal square passage 16 and the second upper horizontal square passage 26 respectively through bolts.

When the utility model is used, the utility model can be hoisted to the position where the access passage is required. When in use, the corbels are turned over and placed on the cast-in-place rest platform, thereby preventing the utility model from being directly erected on the prefabricated stairs.

According to different construction projects, the number and connection positions of the three-stage step modules 5 and the second-stage step modules 6 can be adjusted, and the length and height of the spliced support frame can be adjusted, so that they can be used in different construction sites.

The above-mentioned embodiments are based on the technical solution of the present invention and provide detailed implementation modes and specific operation processes. However, the protection scope of the present invention is not limited to the above-mentioned embodiments.

Claims

An assembled rotatable steel structure access passage, characterized by: including a spliced support frame, a spliced staircase and two spliced fences. The spliced staircase is arranged at an angle, and one end of the spliced staircase is connected to the spliced staircase. The upper part of the support frame is connected, and the other end is connected to the lower part of the spliced support frame. The two spliced fences are installed on the top of the spliced support frame, and the two spliced fences are symmetrically arranged on both sides of the spliced staircase.
An assembled rotatable steel structure access passage according to claim 1, characterized in that: the spliced support frame includes two first main frames arranged in parallel at intervals, and each first main frame is connected to There is a second main frame, the upper part of the first main frame is connected to the upper part of the second main frame through a third bolt, and the lower part of the first main frame is connected to the lower part of the second main frame through a fourth bolt. The frame includes a first upper horizontal square tube, a first lower horizontal square tube, a first bolt, a first vertical square tube and a second vertical square tube penetrated in the first vertical square tube. The square tube is provided with a plurality of first hole groups at intervals along its length direction. Each first hole group includes two first through holes symmetrically arranged on both sides of the first vertical square tube. The second vertical square tube A plurality of second hole groups are arranged at intervals along its length direction. Each second hole group includes two second through holes symmetrically arranged on both sides of the second vertical square passage. The first through hole and the second through hole The diameters of the holes are the same, and the first bolt passes through two first through holes in a first hole group and two second through holes in a second hole group, thereby connecting the first vertical square and the second through hole in the second hole group. The second vertical square passages are connected together, and the first upper horizontal square passage is vertically fixedly connected to the upper part of the second vertical square passage. There are multiple groups of the first upper horizontal square passage arranged at intervals along its length direction. A third hole group. Each third hole group includes two third through holes symmetrically arranged on both sides of the first upper horizontal square passage. The first lower horizontal square passage is perpendicular to the lower part of the first vertical square passage. Fixed connection, the first lower horizontal square passage is provided with a plurality of fourth hole groups at intervals along its length direction, and each fourth hole group includes two symmetrically arranged on both sides of the first lower horizontal square passage. The fourth through hole; the second main frame includes a flip corbel, a second upper horizontal square passage, a second lower horizontal square passage, a second bolt, a third vertical square passage and a third vertical square passage passing through the third vertical square passage. The fourth vertical square passage in the third vertical square passage is provided with a plurality of fifth hole groups at intervals along its length direction. Each fifth hole group includes two symmetrically arranged on both sides of the third vertical square passage. The fifth through hole on the side of the fourth vertical square passage is provided with a plurality of sixth hole groups at intervals along its length direction. Each sixth hole group includes two symmetrically arranged on both sides of the fourth vertical square passage. The diameter of the sixth through hole is the same as that of the sixth through hole. The second bolt passes through two fifth through holes of a fifth hole group and two sixth through holes of a sixth hole group. hole, thereby connecting the third vertical square passage and the fourth vertical square passage together, the second upper horizontal square passage is vertically fixedly connected to the upper part of the fourth vertical square passage, and the second upper horizontal square passage A plurality of seventh hole groups are arranged at intervals along the length direction of the upper part. Each seventh hole group includes two seventh through holes symmetrically arranged on both sides of the second upper horizontal square passage. The second lower horizontal square passage is Vertically fixedly connected to the lower part of the third vertical square passage, the second lower horizontal square passage is provided with a plurality of eighth hole groups at intervals along its length direction, and each eighth hole group includes two symmetrically arranged on the third vertical square passage. The two lower horizontal square holes lead to eighth through holes on both sides. The third through hole and the seventh through hole have the same diameter. The fourth through hole and the eighth through hole have the same diameter. The second upper horizontal square hole has the same diameter as the seventh through hole. The third bolt is disposed in the first upper horizontal square passage and passes through two third through holes of a third hole group and two seventh through holes of a seventh hole group, so that the first The upper horizontal square passage is connected to the second upper horizontal square passage, the second lower horizontal square passage is penetrated in the first lower horizontal square passage, and the fourth bolt is passed through both sides of a fourth hole group. A fourth through hole and two eighth through holes of an eighth hole group, so that the first lower horizontal square passage and the second lower horizontal square passage are connected together, and the flipping corbel is connected to the third vertical square passage. The lower part of the passage is fixedly connected, and the flipping corbels and the second lower horizontal square passage are respectively arranged on both sides of the third vertical square passage.
An assembled rotatable steel structure access passage according to claim 2, characterized in that: the spliced staircase includes two three-step step modules and three second-step steps connected by bolts from top to bottom in sequence. The step module and two other three-level step modules include two first inclined square tubes arranged in parallel at intervals, and the tail end of each first inclined square tube is fixedly connected with a second inclined square tube. , one end of the first inclined square tube is fixedly inserted into one end of the second inclined square tube, and three first step plates connected in sequence are provided between the two second inclined square tubes. The two ends of the first step plate They are respectively fixedly connected to two second inclined square passages; the second-stage step module includes two third inclined square passages arranged in parallel at intervals, and the tail end of each third inclined square passage is fixedly connected to a fourth inclined square passage. through, one end of the third inclined square passage is fixedly inserted into one end of the fourth inclined square passage, and two second step plates connected in sequence are provided between the two fourth inclined square passages. Both ends are respectively fixedly connected to two fourth inclined square tubes; the first inclined square tube and the third inclined square tube are square tubes with the same specifications, and the second inclined square tube and the fourth inclined square tube are square tubes with the same specifications. The two first inclined square passages of the uppermost three-step step module are respectively connected with the two second vertical square passages through bolts, and the two second inclined square passages of the lowermost three-step step module are respectively connected with The two third vertical square passages are connected by bolts.
An assembled rotatable steel structure access passage according to claim 2, characterized in that: the spliced fence includes a middle railing and two end railings symmetrically arranged at both ends of the middle railing. The two ends are respectively connected to the two end railings through bolts. The middle railing is in the shape of a stem, and the end railings are in the shape of an F. The two end railings are connected to the first upper horizontal square and the second side respectively. The upper horizontal square tube is connected by bolts.