CN112411986A - Prefabricated staircase integral lifting type construction platform and construction method thereof - Google Patents
Prefabricated staircase integral lifting type construction platform and construction method thereof Download PDFInfo
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- CN112411986A CN112411986A CN202011035945.9A CN202011035945A CN112411986A CN 112411986 A CN112411986 A CN 112411986A CN 202011035945 A CN202011035945 A CN 202011035945A CN 112411986 A CN112411986 A CN 112411986A
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- prefabricated staircase
- fixedly connected
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- 238000010276 construction Methods 0.000 title claims abstract description 77
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/246—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the inside contour of a building
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/08—Scaffold boards or planks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses an integral lifting type construction platform of a prefabricated staircase and a construction method thereof, and the integral lifting type construction platform comprises two square main ridges which are arranged in parallel, wherein a plurality of square secondary ridges which are arranged in parallel are fixedly connected between the two square main ridges and are all arranged perpendicular to the two square main ridges; the invention solves the technical problem of repeatedly taking and dismantling the scaffold during the construction of the prefabricated staircase, has the advantages of flexible assembly, simple installation, turnover use, convenient construction, construction period saving, economy, practicality, safe and reliable structure and the like, and has stronger practicability and popularization.
Description
Technical Field
The invention relates to the field of building construction, in particular to an integral lifting type construction platform for a prefabricated staircase and a construction method thereof.
Background
The prefabricated staircase structure can be produced in the prefabricated building, and the traditional construction method for erecting the scaffold is basically adopted to construct the staircase structure during the construction of the prefabricated staircase structure, so that the construction period of the traditional repeated scaffold erecting and dismantling construction method is long, and the construction progress cannot be ensured. In order to solve the problems, the invention provides an integral lifting type construction platform of a prefabricated staircase and a construction method thereof.
Disclosure of Invention
The invention aims to provide an integral lifting type construction platform for a prefabricated staircase and a construction method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the integral lifting type construction platform for the prefabricated staircase comprises two main square-tube ridges which are arranged in parallel, wherein a plurality of square-tube secondary ridges which are arranged in parallel are fixedly connected between the two main square-tube ridges and are all perpendicular to the two main square-tube ridges; the middle parts of one sides of the two square tube main ridges and the middle parts of one sides of the two square tube vertical rods are fixedly connected through two diagonal braces; the other end of each square tube main edge is connected with two top mounting units in a clamping mode, and the bottom of each square tube vertical rod is connected with two bottom mounting units in a clamping mode.
The square tube connecting structure is characterized in that the bottom of the square tube connecting structure is fixedly connected with a cushion spring and a base plate, a clamping plate is fixedly connected to the top of the base plate, a clamping interface is formed in the top of the clamping plate, the top of the clamping interface is connected with the other end of a square tube main edge in a clamping mode, and a rubber pad is fixedly connected to the inner wall of the clamping interface.
As a further scheme of the invention: the bottom mounting unit comprises a bending mounting plate, a mounting bolt is inserted and connected to the top of one side of the bending mounting plate, a sliding clamping plate is connected to one side of the top of the bending mounting plate in a sliding mode, and one end of the sliding clamping plate is rotatably connected with one end of an adjusting bolt; the middle part of one side of the bending mounting plate is fixedly connected with one side of the connecting clamping plate through the connecting spring, and one end of the connecting clamping plate is in threaded connection with the other end of the adjusting bolt.
As a further scheme of the invention: the middle parts of the tops of the two square tube main ridges are fixedly and slidably connected with extension rods.
As a further scheme of the invention: two equal fixedly connected with curb plate in the middle part of the stupefied one side of square tube owner, two the middle part of curb plate is all rotated and is installed the guide wheel, two the equal fixedly connected with couple in both sides of curb plate.
As a further scheme of the invention: and one end of the top of each square main ridge is fixedly connected with a hanging ring.
A construction method of an integral lifting type construction platform of a prefabricated staircase comprises the following steps:
the method comprises the following steps: according to the distance between the main ridges of the two square tubes, two bottom mounting units are placed at proper positions on the ladder beam at the lower end of the prefabricated staircase, and the distance between a sliding clamping plate and a connecting clamping plate is adjusted by rotating an adjusting bolt to clamp and fix the bottoms of the vertical rods of the two square tubes;
step two: according to the distance between the two square tube main ridges, two top mounting units are placed at proper positions on the ladder beam at the higher end of the prefabricated staircase, one ends of the two square tube main ridges are respectively clamped with clamping ports at the tops of the two clamping plates, if the length of each square tube main ridge is insufficient, the extension rods are pulled, and the end parts of the two extension rods are clamped with the clamping ports at the tops of the two clamping plates;
step three: the construction of prefabricated staircase structure is carried out at the construction platform board, and after the construction of individual layer prefabricated staircase was accomplished, installation unit and top installation unit were placed at the bottom of installing at upper terraced roof beam again to hang out whole construction platform and promote to upper terraced roof beam again, and fixed with end installation unit and top installation unit combination, this process is repeated, accomplishes the construction of prefabricated staircase structure.
Compared with the prior art, the invention has the beneficial effects that: the invention well solves the technical problem of repeatedly taking and dismantling the scaffold during the construction of the prefabricated staircase structure, compared with the traditional construction method for setting up the scaffold, the invention has the advantages of flexible assembly, simple installation, turnover use, convenient construction, construction period saving, economy, practicality, safe and reliable structure and the like, can be well suitable for similar situations in assembly type buildings, and has wide practicability and popularization.
Drawings
FIG. 1 is a side view of a prefabricated staircase integral lifting construction platform structure;
FIG. 2 is a top perspective view of a prefabricated staircase integrally hoisted construction platform;
FIG. 3 is a side view of a prefabricated staircase integral lift construction platform bottom mounting unit;
FIG. 4 is a side view of a prefabricated staircase integrally hoisted construction platform top mounting unit;
fig. 5 is a side view of a prefabricated staircase integral lifting type construction platform side plate structure.
In the figure: 1. the main edge of the square tube; 2. square tube secondary arris; 3. constructing a platform plate; 4. a square tube vertical rod; 5. a square tube horizontal rod; 6. a diagonal brace; 7. a base plate; 8. a buffer spring; 9. a base plate; 10. a clamping and connecting plate; 11. bending the mounting plate; 12. installing a bolt; 13. a sliding clamp plate; 14. adjusting the bolt; 15. a connecting spring; 16. connecting the clamping plates; 17. an extension pole; 18. a side plate; 19. a guide wheel; 20. hooking; 21. a lifting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the invention, an integral lifting type construction platform for a prefabricated staircase comprises two square main ridges 1 which are arranged in parallel, wherein a plurality of square secondary ridges 2 which are arranged in parallel are fixedly connected between the two square main ridges 1, the plurality of square secondary ridges 2 are all arranged perpendicular to the two square main ridges 1, the tops of the two square main ridges 1 are respectively and fixedly connected with two sides of the bottom of a construction platform plate 3, one ends of the two square main ridges 1 are respectively and fixedly connected with one ends of two square vertical rods 4, the two square vertical rods 4 are both perpendicular to a plane where the construction platform plate 3 is located, a plurality of evenly distributed square horizontal rods 5 are fixedly connected between the two square vertical rods 4, and the plurality of square horizontal rods 5 are all arranged perpendicular to the two square vertical rods 4; the middle parts of one sides of the two square tube main ridges 1 and the middle parts of one sides of the two square tube vertical rods 4 are fixedly connected through two diagonal braces 6; the other end of the two square tube main edges 1 is connected with two top mounting units in a clamping mode, and the bottoms of the two square tube vertical rods 4 are connected with two bottom mounting units in a clamping mode.
The top installation unit includes bottom plate 7, buffer spring 8 and backing plate 9's bottom fixed connection is passed through at bottom plate 7's top, backing plate 9's top fixedly connected with joint board 10, the joint mouth has been seted up at joint board 10's top, the top of joint mouth is connected with the main stupefied 1's of square tube other end block, the inner wall fixedly connected with rubber pad of joint mouth, through setting up joint board 10, the main stupefied 1's of square tube tip supports, simultaneously through social group buffer spring 8 and rubber pad, stability when making the device use is stronger, reduce the wearing and tearing that the rigid contact produced between device and the building.
The bottom mounting unit comprises a bending mounting plate 11, a mounting bolt 12 is inserted and connected to the top of one side of the bending mounting plate 11, a sliding clamping plate 13 is slidably connected to one side of the top of the bending mounting plate 11, and one end of the sliding clamping plate 13 is rotatably connected with one end of an adjusting bolt 14; the middle part of buckling mounting panel 11 one side is through one side fixed connection of connecting spring 15 with connecting splint 16, and connecting splint 16's one end and adjusting bolt 14's other end threaded connection realize the stable installation to square tube pole setting 4 bottom through setting up connecting spring 15 and slide clamp 13 isotructure, through setting up connecting spring 15 etc. for construction platform's possesses certain horizontal mobility.
The middle parts of the tops of the two square tube main edges 1 are fixedly and slidably connected with extension rods 17, so that the device can adapt to the construction of prefabricated staircases of various sizes, and the use flexibility of the device is improved.
Equal fixedly connected with curb plate 18 in the middle part of two square tube owner stupefied 1 one side, the middle part of two curb plates 18 is all rotated and is installed guide wheel 19, and the equal fixedly connected with couple 20 in both sides of two curb plates 18 articulates necessary instrument or material etc. through couple 20, when the material needs to be carried out from top to bottom to the construction platform and transports, draws guide wheel 19 and can provide spacing and guide for the motion of material stay cord for the material is transported more conveniently.
The equal fixedly connected with rings 21 of one end at two square tube owner stupefied 1 tops, conveniently hoist the removal to the device is whole.
The invention also provides a construction method of the integral lifting type construction platform of the prefabricated staircase, which comprises the following steps:
the method comprises the following steps: according to the distance between the two square tube main ridges 1, two bottom mounting units are placed at proper positions on the ladder beam at the lower end of the prefabricated staircase, and the distance between a sliding clamping plate 13 and a connecting clamping plate 16 is adjusted by rotating an adjusting bolt 14 to clamp and fix the bottoms of the two square tube vertical rods 4;
step two: according to the distance between the two square tube main ridges 1, placing two top mounting units at proper positions on the ladder beam at the higher end of the prefabricated staircase, clamping one ends of the two square tube main ridges 1 with the clamping ports at the tops of the two clamping plates 10 respectively, if the length of each square tube main ridge 1 is insufficient, pulling the extension rods 17, and clamping the end parts of the two extension rods 17 with the clamping ports at the tops of the two clamping plates 10;
step three: the construction of prefabricated staircase structure is carried out at construction platform board 3, and after the construction of individual layer prefabricated staircase was accomplished, installation unit and top installation unit were placed at the bottom of installing at upper terraced roof beam again to hang out whole construction platform and promote to upper terraced roof beam again, and fixed with end installation unit and top installation unit combination, this process is repeated, accomplishes the construction of prefabricated staircase structure.
When the prefabricated building structure is used, firstly, a construction platform can be machined and manufactured according to the site condition of the prefabricated inter-building structure, the square main ridges 1 and the square secondary ridges 2 are welded and fixed to form a steel frame structure, a patterned steel panel is laid on the surface of the steel frame structure to serve as a construction platform plate 3, a steel plate and the square main ridges 1 are mutually welded to form a hanging ring 21, and then a ring structure is welded in the middle of the bottoms of the two square main ridges 1, and the extension rods 17 are connected with the square main ridges in an inserting mode to form an integrally horizontal plate; secondly, arranging two square tube vertical rods 4 in parallel in the vertical direction, sequentially welding a plurality of square tube horizontal rods 5 on the square tube vertical rods 4 in a direction perpendicular to the direction of the square tube vertical rods 4, welding and assembling the square tube vertical rods 4 and the square tube main edges 1, and fixing inclined support rods 6 on the square tube vertical rods 4 and the square tube main edges 1 by adopting high-strength bolts to finish the processing and manufacturing of a construction platform;
the construction platform can also be manufactured by using a fishing line, two bottom mounting units are placed at proper positions on the ladder beam at the lower end of the prefabricated staircase according to the distance between the two square tube main ribs 1, the distance between the sliding clamping plate 13 and the connecting clamping plate 16 is adjusted by rotating the adjusting bolt 14 to clamp and fix the bottoms of the two square tube upright posts 4, and the bending mounting plate 11 and the ladder are fixed by the mounting bolt 12 if necessary, so that the overall mounting stability of the device is improved; then according to the distance between the two square tube main ridges 1, placing two top mounting units at proper positions on the ladder beam at the higher end of the prefabricated staircase, clamping one ends of the two square tube main ridges 1 with the clamping interfaces at the tops of the two clamping plates 10 respectively, if the length of each square tube main ridge 1 is insufficient, pulling the extension rods 17, and clamping the end parts of the two extension rods 17 with the clamping interfaces at the tops of the two clamping plates 10; then carry out the construction of prefabricated staircase structure at construction platform board 3, accessible couple 20 articulates necessary instrument or material etc. during the construction, when the material is transported to construction platform upper and lower needs, draw guide wheel 19 can provide spacing and guide for the motion of material stay cord, it is more convenient to make the material transport, after the construction of individual layer prefabricated staircase is accomplished, install unit and top installation unit at the bottom of placing at the installation of upper strata ladder beam again, and hang out whole construction platform and promote to upper strata ladder beam again, and with end installation unit and top installation unit combination fixed, repeat this process, accomplish the construction of prefabricated staircase structure.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. An integral lifting type construction platform of a prefabricated staircase is characterized by comprising two square tube main ridges (1) which are arranged in parallel, a plurality of square tube secondary ridges (2) which are arranged in parallel are fixedly connected between the two square tube main ridges (1), the plurality of square tube secondary edges (2) are arranged perpendicular to the two square tube main edges (1), the tops of the two square tube main edges (1) are fixedly connected with the two sides of the bottom of the construction platform plate (3) respectively, one end of each square tube main edge (1) is fixedly connected with one end of each square tube upright stanchion (4) respectively, and the two square tube upright stanchions (4) are both vertical to the plane of the construction platform plate (3), a plurality of square tube horizontal rods (5) which are uniformly distributed are fixedly connected between the two square tube upright stanchions (4), and a plurality of square tube horizontal rods (5) are arranged perpendicular to the two square tube vertical rods (4); the middle parts of one sides of the two square tube main ridges (1) and the middle parts of one sides of the two square tube vertical rods (4) are fixedly connected through two diagonal braces (6); the other end of each square tube main edge (1) is connected with two top mounting units in a clamping mode, and the bottom of each square tube vertical rod (4) is connected with two bottom mounting units in a clamping mode.
2. The prefabricated staircase integral lifting type construction platform as claimed in claim 1, wherein the top mounting unit comprises a bottom plate (7), the top of the bottom plate (7) is fixedly connected with the bottom of a backing plate (9) through a buffer spring (8), the top of the backing plate (9) is fixedly connected with a clamping plate (10), a clamping interface is formed in the top of the clamping plate (10), the top of the clamping interface is connected with the other end of the square main rib (1) in a clamping manner, and a rubber pad is fixedly connected to the inner wall of the clamping interface.
3. The prefabricated staircase integrally lifting type construction platform as claimed in claim 1, wherein the bottom mounting unit comprises a bending mounting plate (11), a mounting bolt (12) is inserted and connected to the top of one side of the bending mounting plate (11), a sliding clamping plate (13) is slidably connected to one side of the top of the bending mounting plate (11), and one end of the sliding clamping plate (13) is rotatably connected with one end of an adjusting bolt (14); the middle part of buckling one side of the mounting plate (11) is fixedly connected with one side of the connecting clamping plate (16) through the connecting spring (15), and one end of the connecting clamping plate (16) is in threaded connection with the other end of the adjusting bolt (14).
4. A prefabricated staircase integrally lifting construction platform according to claim 1, characterized in that the middle of the top of each of the main ridges (1) is fixedly and slidably connected with an extension bar (17).
5. The prefabricated staircase integrally lifting type construction platform as claimed in claim 1, wherein a side plate (18) is fixedly connected to the middle of one side of each of the two main ridges (1), a guide wheel (19) is rotatably mounted to the middle of each of the two side plates (18), and a hook (20) is fixedly connected to each of the two sides of each of the two side plates (18).
6. The prefabricated staircase integrally lifting construction platform as claimed in claim 1, wherein one end of the top of each of the two main square main ridges (1) is fixedly connected with a lifting ring (21).
7. A construction method of an integral lifting type construction platform of a prefabricated staircase is characterized by comprising the following steps:
the method comprises the following steps: according to the distance between the two square tube main ridges (1), two bottom mounting units are placed at proper positions on the ladder beam at the lower end of the prefabricated staircase, and the distance between a sliding clamping plate (13) and a connecting clamping plate (16) is adjusted by rotating an adjusting bolt (14) to clamp and fix the bottoms of the two square tube upright posts (4);
step two: according to the interval of two square tube owner stupefied (1), place two top installation units in the suitable position on the ladder beam of the higher end of prefabricated staircase height to with the joint mouth block at the top of stupefied (1) of two square tube owner respectively with two joint board (10), if the length of each square tube owner stupefied (1) is not enough, then spur extension rod (17), and with the joint mouth block at the tip of two extension rod (17) and the top of two joint board (10).
8. Step three: the construction of prefabricated staircase structure is carried out at construction platform board (3), and after the construction of individual layer prefabricated staircase was accomplished, install installation unit and top installation unit at the bottom of installing at upper terraced roof beam again to hoist whole construction platform again to upper terraced roof beam, and fixed with end installation unit and top installation unit combination, this process is repeated, accomplishes the construction of prefabricated staircase structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035945.9A CN112411986B (en) | 2020-09-27 | 2020-09-27 | Prefabricated staircase integral lifting type construction platform and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035945.9A CN112411986B (en) | 2020-09-27 | 2020-09-27 | Prefabricated staircase integral lifting type construction platform and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112411986A true CN112411986A (en) | 2021-02-26 |
| CN112411986B CN112411986B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011035945.9A Active CN112411986B (en) | 2020-09-27 | 2020-09-27 | Prefabricated staircase integral lifting type construction platform and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202248824U (en) * | 2011-09-08 | 2012-05-30 | 华北电网有限公司北京超高压公司 | Suspended working platform |
| CN203924652U (en) * | 2014-06-20 | 2014-11-05 | 中国建筑第四工程局有限公司 | The operation platform of periphery shear wall between a kind of precast stair |
| CN206942108U (en) * | 2017-06-13 | 2018-01-30 | 陕西汉江投资开发有限公司蜀河水力发电厂 | Inspection platform |
| CN207063483U (en) * | 2017-06-20 | 2018-03-02 | 中国建筑第二工程局有限公司 | A can hoist and mount construction platform for installation of prefabricated staircase |
| CN207314793U (en) * | 2017-09-07 | 2018-05-04 | 中建八局第一建设有限公司 | Operating platform between a kind of regularization precast stair |
| CN110565932A (en) * | 2019-08-30 | 2019-12-13 | 潍坊昌大建设集团有限公司 | Scaffold for building engineering |
| CN211396530U (en) * | 2018-05-11 | 2020-09-01 | 中铁二局集团有限公司 | Detachable lifting platform special for stair construction |
-
2020
- 2020-09-27 CN CN202011035945.9A patent/CN112411986B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202248824U (en) * | 2011-09-08 | 2012-05-30 | 华北电网有限公司北京超高压公司 | Suspended working platform |
| CN203924652U (en) * | 2014-06-20 | 2014-11-05 | 中国建筑第四工程局有限公司 | The operation platform of periphery shear wall between a kind of precast stair |
| CN206942108U (en) * | 2017-06-13 | 2018-01-30 | 陕西汉江投资开发有限公司蜀河水力发电厂 | Inspection platform |
| CN207063483U (en) * | 2017-06-20 | 2018-03-02 | 中国建筑第二工程局有限公司 | A can hoist and mount construction platform for installation of prefabricated staircase |
| CN207314793U (en) * | 2017-09-07 | 2018-05-04 | 中建八局第一建设有限公司 | Operating platform between a kind of regularization precast stair |
| CN211396530U (en) * | 2018-05-11 | 2020-09-01 | 中铁二局集团有限公司 | Detachable lifting platform special for stair construction |
| CN110565932A (en) * | 2019-08-30 | 2019-12-13 | 潍坊昌大建设集团有限公司 | Scaffold for building engineering |
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| CN112411986B (en) | 2022-12-20 |
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