CN111335608A - High-rise building construction scaffold and operation method - Google Patents
High-rise building construction scaffold and operation method Download PDFInfo
- Publication number
- CN111335608A CN111335608A CN202010318929.4A CN202010318929A CN111335608A CN 111335608 A CN111335608 A CN 111335608A CN 202010318929 A CN202010318929 A CN 202010318929A CN 111335608 A CN111335608 A CN 111335608A
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- Prior art keywords
- rod
- scaffold
- frame
- locking sleeve
- building construction
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- Pending
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- 238000009435 building construction Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000011435 rock Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
-
- 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
- E04G5/10—Steps or ladders specially adapted for scaffolds
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a high-rise building construction scaffold and an operation method thereof, wherein the high-rise building construction scaffold comprises a pair of ladder frames and a fixing frame, two ends of the fixing frame are fixedly connected with the ladder frames, a cross rod is arranged in the middle of the lower end of each ladder frame, two ends of the cross rod are fixedly connected with the ladder frames, a pedal is arranged above the fixing frame, two groups of rods A are arranged on two sides of each ladder frame, one end of each rod A is hinged with a vertical rod of each ladder frame, two groups of rods B are arranged on two sides of each ladder frame, one end of each rod B is hinged with a vertical rod of each ladder frame, and the other end of each rod. The scaffold is reasonable in design, simple in structure and stable in connection structure, the whole scaffold is not prone to shaking and toppling, and safety is high.
Description
Technical Field
The invention relates to the technical field of building construction equipment, in particular to a high-rise building construction scaffold and an operation method thereof.
Background
The scaffold is in order to guarantee that each work progress goes on smoothly and the work platform of setting up, divide into outer scaffold and interior scaffold according to the position of setting up, can divide into wood scaffold, bamboo scaffold and steel pipe scaffold according to the material difference, divide into pole setting formula scaffold, bridge type scaffold, gate-type scaffold, suspension type scaffold, hanging scaffold, choose formula scaffold and climb formula scaffold according to the configuration form.
The existing combined type ascending scaffold is mostly used for construction operation of the outer wall of a high-rise building, the main body of the scaffold is four supporting tubes, the supporting tubes are mutually fixed by adopting connecting rods with screw buckles at two ends, meanwhile, one connecting rod is provided with an ascending ladder, when a plurality of scaffolds are vertically combined, the ascending ladders correspond to each other one by one, and are convenient to climb to the high rise of the building, when the scaffolds are vertically combined, round falcons are inserted into the supporting tubes, the middle of each round falcon is a big cylinder, the upper end and the lower end of each cylinder are two small cylinders, the small cylinder at the lower side is inserted into the upper port of the supporting tube at the lower side, and the small cylinder at the upper side is inserted into the lower port of the supporting tube at the upper side, so that the multi-layer building stability of the scaffold is realized by connecting the round falcons, however, the scaffold is supported by the four supporting tubes, workers can shake in the climbing process, during the climbing, can arouse that the scaffold frame of whole building rocks, therefore connect round falcon and also rock thereupon, cause easily to connect round falcon and stay tube and be connected unstablely.
Disclosure of Invention
Therefore, in order to solve the above disadvantages, the invention provides a high-rise building construction scaffold which has the advantages of reasonable design, simple structure, difficult shaking, high safety and stable connection, and an operation method thereof.
The invention is realized in such a way that a high-rise building construction scaffold is constructed, the scaffold comprises a pair of ladder frames and a fixing frame, two ends of the fixing frame are fixedly connected with the ladder frames, the middle part of the lower end of each ladder frame is provided with a cross rod, two ends of the cross rod are fixedly connected with the ladder frames, a pedal is arranged above the fixing frame, two groups of rods A are arranged on two sides of each ladder frame, one end part of each rod A is hinged with a vertical rod of each ladder frame, two groups of rods B are also arranged on two sides of each ladder frame, one end part of each rod B is hinged with one vertical rod of each ladder frame, and the other end part of each.
Further, the ladder frame vertical rod is hollow inside, and two ladder frame junctions set up a connecting piece, connecting piece one end diameter is 0.01mm ~0.05mm less than ladder frame vertical rod internal diameter, and middle part diameter equals with vertical pole external diameter.
Furthermore, a locking sleeve is arranged at the top of the vertical rod of the ladder frame book, the section of the locking sleeve is T-shaped, the outer diameter of one end of the locking sleeve is 0.01 mm-0.05 mm smaller than the inner diameter of the vertical rod, and the outer diameter of the other end of the locking sleeve is 2 mm-5 mm larger than the outer diameter of the vertical rod of the ladder frame.
Furthermore, a stepped hole is formed in the locking sleeve, the outer diameter of the other end of the connecting piece is 0.01-0.05 mm smaller than the smaller diameter of the stepped hole in the locking sleeve, the outer diameter of the middle part of the connecting piece, close to the locking sleeve, is 0.01-0.05 mm smaller than the larger diameter of the stepped hole in the locking sleeve, and the outer diameter of the locking sleeve, far away from the middle part of the connecting piece, is 2-5 mm larger than the outer diameter of the vertical rod of the stepped frame.
Furthermore, an annular groove A is formed in the end face, far away from the locking sleeve, of the middle of the connecting piece and matched with the wall of the vertical rod, an annular groove B is formed in the joint of the large diameter of the locking sleeve and the vertical rod, and the annular groove B is matched with the wall of the vertical rod.
Furthermore, the ring surface of the locking sleeve is provided with a notch, the ring surface of the large diameter of the locking sleeve is provided with a groove, a locking buckle is arranged in the groove, and the locking buckle is locked through a bolt.
Furthermore, a group of connecting rods is further arranged between the step frames, the number of the two pairs of connecting rods is 0.5m, and the distance between every two pairs of connecting rods is 9 m-10 m.
Further, the distance between the pedals is 8.5-9 m.
Furthermore, universal wheels are arranged at the bottom of the vertical rod of the ladder frame.
Furthermore, the end part of the rod A close to the rod B is hinged with a base.
A method for operating scaffold for high-rise building construction includes such steps as spreading and locking rods A and B, connecting the step frames together, fixing the step frames by fixing frame, connecting the step frames at a certain height by connecting rods, and putting pedal.
The invention has the following advantages: the invention provides a high-rise building construction scaffold and an operation method; have simple structure, connection structure is stable, and whole scaffold frame is difficult for rocking and emptys, numerous advantages such as security height. According to the invention, the design rod A and the design rod B are additionally arranged, two groups of rods A are arranged on two sides of the ladder frame, one end part of each rod A is hinged with one vertical rod of the ladder frame, two groups of rods B are also arranged on two sides of the ladder frame, one end part of each rod B is hinged with one vertical rod of the ladder frame, the other end part of each rod B is hinged with the far ladder frame end of the rod A, the end part of each rod A close to the corresponding rod B is hinged with one base, the rods A, the rods B and the ladder frames form a triangle, the structure is more stable, and when a worker climbs, the rod A carries out auxiliary support on the scaffold, so that the whole scaffold is.
The ladder frame vertical rod is internally hollow, the connecting piece is arranged at the joint of the two ladder frames, the locking sleeve is arranged in the top of the ladder frame book vertical rod, one end with a slightly larger outer diameter of the connecting piece is matched with an inner hole of the ladder frame vertical rod, the rod wall is matched with the annular groove A, the small diameter of the locking sleeve is matched with an inner hole of the other ladder frame vertical rod, the rod wall is matched with the annular groove B, the other end of the connecting piece is matched with the inner stepped hole of the locking sleeve, and finally the locking sleeve is locked by screwing a locking buckle notch bolt on the side surface of the locking sleeve to form connection between the ladder frames, so that the two vertical supporting tubes are stably connected, the supporting tubes which are vertically combined cannot be separated from each other due to the shaking of the whole scaffold.
Meanwhile, the scaffold for high-rise building construction according to the present invention is operated by unfolding and locking the rods a and B, connecting the step frames, connecting and fixing the step frames at the bottoms thereof via the fixing frames, connecting and reinforcing the step frames at a certain height using the connecting rods, and placing a step pedal at a working place.
Drawings
FIG. 1 is a schematic structural 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;
FIG. 4 is a top view of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 2;
fig. 6 is a partially enlarged view B in fig. 5.
In the figure: 1. a ladder frame; 1.1, universal wheels; 2. a rod A; 3. a locking buckle; 4. a rod B; 5. a base; 6. a fixed mount; 7. treading a pedal; 8. a connecting rod; 9. a connecting member; 10. and a locking sleeve.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a high-rise building construction scaffold through improvement, which comprises a pair of ladder frames 1 and a fixing frame 6, wherein two ends of the fixing frame are fixedly connected with the ladder frames 1, the middle part of the lower end of each ladder frame 1 is provided with a cross rod, two ends of the cross rod are fixedly connected with the ladder frames 1, a pedal 7 is arranged above the fixing frame 6, two sides of each ladder frame 1 are provided with two groups of rods A2, one end of each rod A2 is hinged with one vertical rod of each ladder frame 1, two sides of each ladder frame 1 are also provided with two groups of rods B4, one end of each rod B4 is hinged with one vertical rod of each ladder frame 1, and the other end of each rod B4 is hinged with the end of the ladder frame 1 far.
In this embodiment, the inside cavity of 1 vertical pole of ladder frame, 1 junction of two ladder frames sets up a connecting piece 9, 9 one end diameter ratio of connecting piece is 0.01mm ~0.05mm less than 1 vertical pole internal diameter of ladder frame, and middle part diameter equals with vertical pole external diameter.
In this embodiment, set up a lock sleeve 10 in the vertical pole top of 1 book of ladder frame, lock sleeve 10 cross-section is T shape, and one end external diameter is less than vertical pole internal diameter 0.01mm ~0.05mm, and other end external diameter is greater than 1 vertical pole external diameter of ladder frame 2mm ~5 mm.
In the embodiment, a stepped hole is formed in the locking sleeve 10, the outer diameter of the other end of the connecting piece 9 is smaller than the inner stepped hole of the locking sleeve 10 by 0.01-0.05 mm, the outer diameter of the middle part of the connecting piece 9, which is close to the locking sleeve 10, is smaller than the inner stepped hole of the locking sleeve 10 by 0.01-0.05 mm, and the outer diameter of the connecting piece, which is far from the locking sleeve 10, is larger than the outer diameter of the vertical rod of the stepped frame 1 by 2-5 mm.
In this embodiment, an annular groove a is formed in the end surface of the middle part of the connecting piece 9 far from the locking sleeve 10, the annular groove a is matched with the wall of the vertical rod, an annular groove B is formed at the joint of the large diameter of the locking sleeve 10 and the vertical rod, and the annular groove B is matched with the wall of the vertical rod.
In this embodiment, a notch is formed in the ring surface of the locking sleeve 10, a groove is formed in the ring surface of the large diameter of the locking sleeve 10, a locking buckle 3 is arranged in the groove, and the locking buckle 3 is locked through a bolt.
In this embodiment, still be provided with a set of connecting rod 8 between the ladder frame 1, a set of connecting rod 8 has two pairs, and the distance between two pairs of connecting rod 8 is 0.5m, and the distance between every group connecting rod 8 is 9m ~10 m.
In the embodiment, the distance between the pedals 7 is 8.5 m-9 m.
In the present embodiment, universal wheels 1.1 are arranged at the bottom of the vertical rods of the ladder frame 1.
In this embodiment, the lever A2 is hinged to a base 5 near the end of the lever B4.
When the invention is implemented, the rod A2 and the rod B4 are unfolded and locked, the step frames 1 are connected, the bottom parts of the step frames 1 are connected and fixed through the fixed frame 6, the step frames are connected and reinforced by the connecting rod 8 at a certain height, and the pedal 7 is placed at a working place.
Reasonable design pole A and pole B, ladder frame both sides set up two sets of pole A, pole A tip is articulated with a ladder frame montant, ladder frame both sides still set up two sets of pole B, a pole B tip is articulated with a ladder frame montant, and another tip is articulated with pole A distal ladder frame end, the articulated base of pole A nearly pole B tip, pole A, pole B and ladder frame form triangle-shaped, and the structure is more stable, and the workman is when the climbing, and pole A carries out the auxiliary stay to scaffold for whole scaffold is more stable, is difficult for empting and rocks.
Reasonable design connecting piece and lock sleeve, the inside cavity of ladder frame vertical pole, two ladder frame junctions set up a connecting piece, set up a lock sleeve in the ladder frame book vertical pole top, with the big one end of connecting piece external diameter and the cooperation of ladder frame vertical pole hole, the pole wall cooperates with ring channel A, the lock sleeve path cooperates with another ladder frame vertical pole hole, the pole wall cooperates with ring channel B, with the connecting piece other end and the cooperation of the interior shoulder hole of lock sleeve, at last through screwing up the lock buckle notch bolt of lock sleeve side with it locking, form the connection between the ladder frame, make two vertical stay tubes connect stably, can not rock and make the stay tube of vertical combination break away from each other because of whole scaffold, it is more stable, and it is convenient to dismantle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a high-rise building construction scaffold, includes one to mount (6) of ladder frame (1) and one both ends fixed connection ladder frame (1), its characterized in that: step frame (1) lower extreme middle part sets up a horizontal pole, and the horizontal pole both ends keep fixed connection with step frame (1), mount (6) top sets up pedal (7), step frame (1) both sides set up two sets of pole A (2), a pole A (2) tip is articulated with a step frame (1) montant, step frame (1) both sides still set up two sets of pole B (4), a pole B (4) tip is articulated with a step frame (1) montant, and another tip is articulated with a step frame (1) end far away in pole A (2).
2. The scaffold for high-rise building construction according to claim 1, wherein: the ladder is characterized in that the vertical rod of the ladder frame (1) is hollow, a connecting piece (9) is arranged at the joint of the two ladder frames (1), one end of the connecting piece (9) is smaller than the inner diameter of the vertical rod of the ladder frame (1) by 0.01 mm-0.05 mm, and the diameter of the middle part of the connecting piece is equal to the outer diameter of the vertical rod.
3. The scaffold for high-rise building construction according to claim 2, wherein: a locking sleeve (10) is arranged at the top of the vertical rod of the step frame (1), the section of the locking sleeve (10) is T-shaped, the outer diameter of one end of the locking sleeve is 0.01 mm-0.05 mm smaller than the inner diameter of the vertical rod, and the outer diameter of the other end of the locking sleeve is 2 mm-5 mm larger than the outer diameter of the vertical rod of the step frame (1).
4. A high-rise building construction scaffold according to claim 3, wherein: the locking device is characterized in that a stepped hole is formed in the locking sleeve (10), the outer diameter of the other end of the connecting piece (9) is smaller than the inner stepped hole of the locking sleeve (10) by 0.01-0.05 mm, the outer diameter of the middle part of the connecting piece (9) close to the locking sleeve (10) is smaller than the large diameter of the inner stepped hole of the locking sleeve (10) by 0.01-0.05 mm, and the outer diameter of the middle part of the connecting piece (9) far away from the locking sleeve (10) is larger than the outer diameter of a vertical rod of the stepped frame (1) by 2-.
5. The scaffold for high-rise building construction according to claim 4, wherein: an annular groove A is formed in the end face of the middle far locking sleeve (10) of the connecting piece (9), the annular groove A is matched with the wall of the vertical rod, an annular groove B is formed in the joint of the large diameter of the locking sleeve (10) and the vertical rod, and the annular groove B is matched with the wall of the vertical rod.
6. The scaffold for high-rise building construction according to claim 5, wherein: the anchor rod locking device is characterized in that a notch is formed in the ring surface of the locking sleeve (10), a groove is formed in the ring surface of the large diameter of the locking sleeve (10), a locking buckle (3) is arranged in the groove, and the locking buckle (3) is locked through a bolt.
7. The scaffold for high-rise building construction according to claim 1, wherein: still be provided with a set of connecting rod (8) between ladder frame (1), a set of connecting rod (8) have two pairs, and the distance between two pairs of connecting rod (8) is 0.5m, and the distance between every group connecting rod (8) is 9m ~10 m.
8. The scaffold for high-rise building construction according to claim 1, wherein: the distance between the pedal plates (7) is 8.5-9 m.
9. The scaffold for high-rise building construction according to claim 1, wherein: universal wheels (1.1) are arranged at the bottoms of the vertical rods of the step frames (1); the end part of the rod A (2) close to the rod B (4) is hinged with a base (5).
10. A high-rise building construction scaffold operation method is characterized in that; when the pedal is implemented, the rod A (2) and the rod B (4) are unfolded and locked, the step frames (1) are connected, the bottom parts of the step frames (1) are connected and fixed through the fixing frame (6), the step frames are connected and reinforced through the connecting rod (8) at a certain height, and the pedal (7) is placed at a working place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318929.4A CN111335608A (en) | 2020-04-21 | 2020-04-21 | High-rise building construction scaffold and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318929.4A CN111335608A (en) | 2020-04-21 | 2020-04-21 | High-rise building construction scaffold and operation method |
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| Publication Number | Publication Date |
|---|---|
| CN111335608A true CN111335608A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010318929.4A Pending CN111335608A (en) | 2020-04-21 | 2020-04-21 | High-rise building construction scaffold and operation method |
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| Country | Link |
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| CN (1) | CN111335608A (en) |
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|---|---|---|---|---|
| CN1202590A (en) * | 1997-06-12 | 1998-12-23 | 日钢计划株式会社 | Pipe connecting joint |
| US20100018804A1 (en) * | 2005-04-18 | 2010-01-28 | Usko Kettunen | Movable Scaffolding |
| CN201991886U (en) * | 2011-02-19 | 2011-09-28 | 罗贵波 | Pipe fitting quick connecting device |
| CN102817890A (en) * | 2012-09-05 | 2012-12-12 | 江苏鑫润铝业集团有限公司 | Fastener |
| CN204828163U (en) * | 2015-08-18 | 2015-12-02 | 中国铁建电气化局集团第五工程有限公司 | A plug -in type high -speed joint head for member is connected |
| CN107795111A (en) * | 2017-10-15 | 2018-03-13 | 哈建薇 | A kind of scaffold suitable for building engineering construction |
| CN207277797U (en) * | 2017-09-20 | 2018-04-27 | 天津市东泽天润建筑有限公司 | A kind of portable scaffold with fixed frame |
| CN108431340A (en) * | 2015-12-04 | 2018-08-21 | 保力集团有限责任公司 | For the connector of connection structure component, the truss for being provided with the connector, correlation technique and purposes |
| CN207988459U (en) * | 2018-03-07 | 2018-10-19 | 扬州旭乐基脚手架有限公司 | A kind of aluminium alloy scaffold |
| CN212176492U (en) * | 2020-04-21 | 2020-12-18 | 中信国安建工集团有限公司 | Scaffold for high-rise building construction |
-
2020
- 2020-04-21 CN CN202010318929.4A patent/CN111335608A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1202590A (en) * | 1997-06-12 | 1998-12-23 | 日钢计划株式会社 | Pipe connecting joint |
| US20100018804A1 (en) * | 2005-04-18 | 2010-01-28 | Usko Kettunen | Movable Scaffolding |
| CN201991886U (en) * | 2011-02-19 | 2011-09-28 | 罗贵波 | Pipe fitting quick connecting device |
| CN102817890A (en) * | 2012-09-05 | 2012-12-12 | 江苏鑫润铝业集团有限公司 | Fastener |
| CN204828163U (en) * | 2015-08-18 | 2015-12-02 | 中国铁建电气化局集团第五工程有限公司 | A plug -in type high -speed joint head for member is connected |
| CN108431340A (en) * | 2015-12-04 | 2018-08-21 | 保力集团有限责任公司 | For the connector of connection structure component, the truss for being provided with the connector, correlation technique and purposes |
| CN207277797U (en) * | 2017-09-20 | 2018-04-27 | 天津市东泽天润建筑有限公司 | A kind of portable scaffold with fixed frame |
| CN107795111A (en) * | 2017-10-15 | 2018-03-13 | 哈建薇 | A kind of scaffold suitable for building engineering construction |
| CN207988459U (en) * | 2018-03-07 | 2018-10-19 | 扬州旭乐基脚手架有限公司 | A kind of aluminium alloy scaffold |
| CN212176492U (en) * | 2020-04-21 | 2020-12-18 | 中信国安建工集团有限公司 | Scaffold for high-rise building construction |
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