CN110924670B - Fixing device for cantilever beam scaffold I-steel - Google Patents
Fixing device for cantilever beam scaffold I-steel Download PDFInfo
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- CN110924670B CN110924670B CN201911352328.9A CN201911352328A CN110924670B CN 110924670 B CN110924670 B CN 110924670B CN 201911352328 A CN201911352328 A CN 201911352328A CN 110924670 B CN110924670 B CN 110924670B
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- vertical rod
- rod
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- shaped piece
- fixing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 67
- 239000010959 steel Substances 0.000 title claims abstract description 67
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 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
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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a fixing device for cantilever beam scaffold I-steel, which comprises a U-shaped piece, wherein first fixing nuts are arranged at two ends of the U-shaped piece, a vertical rod is arranged at the central position of the U-shaped piece, the vertical rod vertically penetrates through the U-shaped piece and can move along the vertical direction, a transverse plate is further arranged on the vertical rod, the transverse plate is sleeved on the vertical rod and can rotate around the central axis of the vertical rod, a movable cylinder is further arranged on the transverse plate and penetrates through the top of the transverse plate, the movable cylinder can move along the long side direction of the transverse plate, a pressing rod is arranged in the movable cylinder, and the pressing rod is connected with the movable cylinder through threads; still include the clamping assembly, the clamping assembly includes regulation pole, two Z type structure's grip block and two fifth fixation nut, and it runs through in proper order on two grip blocks to adjust the pole, and fifth fixation nut is connected with the both ends of adjusting the pole respectively, still is equipped with the fixed block on adjusting the pole, and the top of fixed block is equipped with the locating hole, and the depression bar can insert to the locating hole.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a fixing device for cantilever beam scaffold I-shaped steel.
Background
With the continuous development of the building industry in China, various building types are continuously emerging, and super high-rise buildings and comprehensive large-scale public buildings are continuously increased. In the construction process of building engineering, in order to set up protection canopy or scaffold outside the building, usually need set up the I-steel cantilever beam as setting up the support, at present, the I-steel cantilever beam is all fixed through the U-shaped built-in fitting of pre-buried on structural floor, but because the position of built-in fitting has been fixed in the concrete of pouring, cause the mounted position of I-steel also fixed, in actual use, the position of I-steel laying if appears when unevenness, lead to the I-steel height of this department to change, in order to guarantee that other I-steels can keep on same height with it, usually need at other I-steel bottom pad piece, not only increased workman's intensity of labour like this, also increased construction cost simultaneously.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and aims to provide the fixing device for the cantilever beam scaffold I-steel, which can change the installation position of the I-steel, avoid the protruding position on the ground and ensure that the I-steel can be effectively kept at the same height with other I-steels.
The invention is realized by the following technical scheme:
The utility model provides a fixing device for cantilever beam scaffold work bar, includes U type spare, the both ends of U type spare all are equipped with first fixation nut, the central point department of U type spare is equipped with the montant, and the montant vertically runs through on U type spare to the montant can be along vertical direction removal, still be equipped with the diaphragm on the montant, the diaphragm cover is on the montant, and the diaphragm can rotate round the axis of montant, still be equipped with movable section of thick bamboo on the diaphragm, the movable section of thick bamboo runs through at the top of diaphragm, and movable section of thick bamboo can be along the long limit direction of diaphragm, be equipped with down the depression bar in the movable section of thick bamboo, down the depression bar through screw thread and movable section of thick bamboo connection; still include the clamping assembly, the clamping assembly includes grip block and two fifth fixation nuts of adjusting pole, two Z type structures, it runs through in proper order on two grip blocks to adjust the pole, fifth fixation nut is connected with the both ends of adjusting the pole respectively, still be equipped with the fixed block on adjusting the pole, the top of fixed block is equipped with the locating hole, and the depression bar can insert to the locating hole.
Aiming at the problems that in the prior art, when I-steel is installed on a cantilever beam, if a protruding structure exists on the cantilever beam above a U-shaped embedded part, the height of the I-steel installed at the position is different from the heights of other I-steels due to the fact that the position of the U-shaped embedded part embedded in the concrete of the cantilever beam is fixed, gaskets are usually required to be arranged at the bottoms of other I-steels to improve the overall heights of other I-steels, so that the I-steels can be kept at the same height, labor intensity is increased for constructors, a large number of gaskets are spent, and meanwhile, the thickness of the gasket at the bottom of each I-steel cannot be kept consistent with the height of the protrusion; in order to solve the problems, when a protruding part appears above a U-shaped part pre-buried in concrete, the position of a transverse plate arranged on a vertical rod is adjusted to be positioned at one side of the protruding part, then an I-steel is clamped by a clamping component arranged, the I-steel is placed at one side of the protruding part and positioned below the transverse plate, a positioning hole on a lower pressure rod and a positioning hole on a fixed block are positioned in the same vertical direction, then the lower pressure rod is rotated to force the lower pressure rod to extend into the positioning hole of the fixed block, the clamping component clamping the I-steel is applied with the lower pressure rod to ensure that the lower pressure rod can be stably fixed on a cantilever beam, so that the current situation that the I-steel avoids the protruding part of the cantilever beam is realized, the mounting height of the I-steel can be kept at the same height as other I-steels is effectively avoided, the labor intensity of constructors is reduced, and the requirement that a required gasket and the protruding part are kept at the same thickness is also avoided; according to the technical scheme, the I-steel can be arranged on one side of the protruding part of the cantilever beam, the position of the transverse plate in the horizontal direction is adjusted, the I-steel can be normally fixed between U-shaped pieces, and the practicability is improved; and the I-steel on the traditional cantilever beam is restrained in the vertical direction, the traditional cantilever beam is fixed on the cantilever beam, but the constraint force in the horizontal direction is poor, and the technical scheme utilizes the clamping assembly to restrain the I-steel in the square direction, further improves the fixing capacity of the I-steel, and simultaneously when the two sides of the I-steel are clamped by the Z-shaped clamping plate on the clamping assembly, the clamping plate is pushed to move on the clamping plate by rotating the fifth fixing nut due to the threaded connection of the arranged adjusting rod and the fifth fixing nut, the arranged pressing rod is inserted into the positioning hole of the fixing block in advance, and the fixing block is fixedly connected with the adjusting rod, so that the arranged pressing rod can prevent the fifth fixing nut from driving the adjusting rod to rotate together when rotating, thereby facilitating the clamping plate to clamp the I-steel rapidly.
Further, the U-shaped piece is also provided with a fixing plate, and two ends of the U-shaped piece penetrate through the U-shaped piece. The two ends of the U-shaped piece are also provided with sleeves, and the sleeves are made of plastic materials.
In order to ensure that the U-shaped piece can be reused and save the cost, the sleeve made of plastic is arranged on the U-shaped piece, the sleeve is pre-buried in concrete during pouring, then two ends of the U-shaped piece are inserted into the two sleeves, and the U-shaped piece is stably fixed on the cantilever beam by being matched with the fixing plate on the U-shaped piece; when the U-shaped part is used, the sleeve is plugged only by detaching the U-shaped part from the sleeve, so that the U-shaped part can be reused, and the cost is saved.
Further, two second fixing nuts are further arranged on the vertical rod, the second fixing nuts are connected with the vertical rod through threads, and the U-shaped piece is located between the two second fixing nuts.
The vertical rod that utilizes the setting can adjust the montant in the ascending height of vertical, when placing the I-steel in level and smooth position department, when placing the I-steel between U type spare, not only utilize the clamping component that sets up and lower depression bar can fix the I-steel, simultaneously, utilize the montant bottom that sets up on the U type spare to push down the top of I-steel, also can realize fixing the I-steel, further improve the fixed ability to the I-steel.
Further, two third fixing nuts are further arranged on the vertical rods, the third fixing nuts are connected with the vertical rods through threads, and the transverse plate is located between the two third fixing nuts.
The third fixation nut that utilizes the setting can realize loading and unloading between montant and the diaphragm fast, the used repeatedly of being convenient for, the height of diaphragm can be adjusted to the third fixation nut that utilizes the setting simultaneously, satisfies the I-steel of being fixed to not co-altitude, utilizes the third fixation nut simultaneously can adjust the position of diaphragm on the horizontal direction, realizes fixing the I-steel that is located between the U type spare or is located U type spare one side I-steel.
Further, the top of diaphragm still is equipped with the spout, and the spout distributes along the long limit direction of diaphragm to the spout communicates the top and the bottom plate of diaphragm, and the inner wall both sides of spout all are equipped with the guide way, the activity section of thick bamboo alternates in the spout, and the both sides of activity section of thick bamboo all are equipped with the guide block with the guide way matching to the guide block is located the guide way.
Utilize the cooperation relation of connection of guide way and guide block in the spout that sets up for the position of movable cylinder on the diaphragm can be adjusted wantonly, and the position of movable cylinder is adjusted according to the interval of I-steel place position and U type spare, guarantees that the depression bar in the movable cylinder can insert smoothly in the locating hole of fixed block, realizes the restriction on the vertical direction of I-steel.
Further, a pull rod is further arranged on the vertical rod, one end of the pull rod horizontally penetrates through the vertical rod, the pull rod can move along the axial direction of the vertical rod, a connecting ring is arranged at the other end of the pull rod, and the fixing block penetrates through the connecting ring. The side wall of the vertical rod is provided with a strip-shaped opening, the strip-shaped openings are distributed along the axial direction of the vertical rod, the pull rod is inserted into the strip-shaped opening, the pull rod is further provided with two fourth fixing nuts, and the pull rod can be fixed in the strip-shaped opening by the fourth fixing nuts.
The pull rod that sets up is used for applys on the horizontal direction to clamping assembly to restriction I-steel takes place to remove in the horizontal direction, improves the fixed ability to the I-steel, and the pull rod that sets up simultaneously can be changed together according to clamping assembly's height, guarantees that the pull rod can effectively restrict the movable section of thick bamboo on the clamping assembly.
The connecting ring is characterized in that an annular groove is further formed in the circumferential side wall of the connecting ring, the circle center of the annular groove is arranged on the central axis of the connecting ring, a sliding block matched with the annular groove is arranged in the annular groove, the sliding block can rotate in the annular groove along the central axis around the connecting ring, and the pull rod is connected with the sliding block.
In order to ensure that the clamping assembly can clamp the I-steel on one side of the U-shaped piece, the I-steel between the U-shaped pieces can be clamped, and therefore the annular groove is formed in the connecting ring, the cross section of the annular groove is in a dovetail shape, the sliding block in the annular groove can rotate around the central axis of the connecting ring in the annular groove, the position of the pull rod on the connecting ring is changed, the clamping assembly is further ensured to clamp the I-steel at different positions, and meanwhile, the pull rod can also apply constraint force on the I-steel at different positions in the horizontal direction.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. According to the fixing device for the cantilever beam scaffold I-shaped steel, the I-shaped steel can be stably fixed in the U-shaped piece, meanwhile, when the cantilever beam on the U-shaped piece is provided with a protruding structure, the installation position of the I-shaped steel can be changed, the I-shaped steel is installed on one side of the U-shaped piece, the increase of the heights of other I-shaped steels is avoided, the labor intensity of constructors is reduced, and the construction cost is saved;
2. According to the fixing device for the cantilever beam scaffold I-steel, the I-steel can be effectively fixed on the cantilever beam by using the arranged pressing rod and the clamping assembly, so that the fixing capability of the I-steel is improved, and meanwhile, the use of I-steel with different sizes is met;
3. According to the fixing device for the cantilever beam scaffold I-steel, the locating holes on the fixing blocks are matched with the pressing rods to limit rotation of the adjusting rods, so that rotation of the adjusting rods can be effectively avoided when the clamping plates are pushed to move by the fifth fixing nuts, and the installation efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention when the I-steel is fixed on one side of the U-shaped member;
FIG. 2 is a front view of the structure of the present invention for securing a I-beam within a U-shaped member;
FIG. 3 is a side view of the structure of the present invention securing a I-steel within a U-shaped member;
FIG. 4 is a schematic diagram of a connection structure between a pressing rod and a fixing block according to the present invention;
FIG. 5 is a schematic view of a clamping assembly according to the present invention;
FIG. 6 is a top view of a cross plate of the present invention;
FIG. 7 is a front view of the connecting ring of the present invention;
Fig. 8 is a top view of the connecting ring of the present invention.
In the drawings, the reference numerals and corresponding part names:
The device comprises a 1-fixing plate, a 2-sleeve, a 3-protruding structure, a 4-first fixing nut, a 5-shaped piece, a 6-I-steel, a 7-cantilever beam, a 8-second fixing nut, a 9-vertical rod, a 10-third fixing nut, a 11-fourth fixing nut, a 12-pull rod, a 14-movable cylinder, a 15-transverse plate, a 16-clamping assembly, a 17-clamping plate, a 18-guide block, a 19-fifth fixing nut, a 20-adjusting rod, a 21-fixing block, a 23-positioning hole, a 25-pressing rod, a 26-sliding groove, a 27-connecting ring and a 28-annular groove.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 8, the fixing device for cantilever beam scaffold work steel of the invention comprises a U-shaped piece 5, wherein both ends of the U-shaped piece 5 are respectively provided with a first fixing nut 4, a vertical rod 9 is arranged at the central position of the U-shaped piece 5, the vertical rod 9 vertically penetrates through the U-shaped piece 5, the vertical rod 9 can move along the vertical direction, a transverse plate 15 is further arranged on the vertical rod 9, the transverse plate 15 is sleeved on the vertical rod 9, the transverse plate 15 can rotate around the central axis of the vertical rod 9, a movable cylinder 14 is further arranged on the transverse plate 15, the movable cylinder 14 penetrates through the top of the transverse plate 15, the movable cylinder 14 can move along the long side direction of the transverse plate 15, a pressing rod 25 is arranged in the movable cylinder 14, and the pressing rod 25 is connected with the movable cylinder 14 through threads; still include clamping assembly 16, clamping assembly 16 includes regulation pole 20, two clamping plates 17 and two fifth fixation nuts 19 of Z type structure, it runs through in proper order on two clamping plates 17 to adjust the pole 20, fifth fixation nut 19 is connected with the both ends of adjusting pole 20 respectively, still be equipped with fixed block 21 on adjusting the pole 20, the top of fixed block 21 is equipped with locating hole 23, and depression bar 25 can insert in the locating hole 23.
Example 2
On the basis of the embodiment 1, the U-shaped piece 5 is also provided with a fixing plate 1, and two ends of the U-shaped piece 5 penetrate through the U-shaped piece 5. Sleeve 2 is still all equipped with at the both ends of U type spare 5, sleeve 2 is plastic material.
Example 3
On the basis of embodiment 1, two second fixing nuts 8 are further arranged on the vertical rod 9, the second fixing nuts 8 are connected with the vertical rod 9 through threads, and the U-shaped piece 5 is located between the two second fixing nuts 8.
Example 4
On the basis of embodiment 1, the vertical rod 9 is further provided with two third fixing nuts 10, the third fixing nuts 10 are connected with the vertical rod 9 through threads, and the transverse plate 15 is located between the two third fixing nuts 10.
Example 5
On the basis of embodiment 1, the top of the transverse plate 15 is further provided with a sliding groove 26, the sliding groove 26 is distributed along the long side direction of the transverse plate 15, the sliding groove 26 communicates the top of the transverse plate 15 with the bottom plate, both sides of the inner wall of the sliding groove 26 are provided with guide grooves, the movable cylinder 14 is inserted into the sliding groove 26, both sides of the movable cylinder 14 are provided with guide blocks 18 matched with the guide grooves, and the guide blocks 18 are located in the guide grooves.
Example 6
On the basis of embodiment 1, the vertical rod 9 is further provided with a pull rod 12, one end of the pull rod 12 horizontally penetrates through the vertical rod 9, the pull rod 12 can move along the axial direction of the vertical rod 9, the other end of the pull rod 12 is provided with a connecting ring 27, and the fixing block 21 penetrates through the connecting ring 27. The side wall of the vertical rod 9 is provided with a strip-shaped opening, the strip-shaped openings are distributed along the axial direction of the vertical rod 9, the pull rod 12 is inserted into the strip-shaped opening, the pull rod 12 is also provided with two fourth fixing nuts 11, and the pull rod 12 can be fixed in the strip-shaped opening by the fourth fixing nuts 11. The circumference side wall of the connecting ring 27 is also provided with an annular groove 28, the center of the annular groove 28 is on the central axis of the connecting ring 27, a sliding block matched with the annular groove 28 is arranged in the annular groove 28, the sliding block can rotate in the annular groove 28 along the central axis around the connecting ring 27, and the pull rod 12 is connected with the sliding block.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The fixing device for the cantilever beam scaffold I-steel is characterized by comprising a U-shaped piece (5), wherein first fixing nuts (4) are arranged at two ends of the U-shaped piece (5), a vertical rod (9) is arranged at the central position of the U-shaped piece (5), the vertical rod (9) vertically penetrates through the U-shaped piece (5) and can move along the vertical direction, a transverse plate (15) is further arranged on the vertical rod (9), the transverse plate (15) is sleeved on the vertical rod (9), the transverse plate (15) can rotate around the central axis of the vertical rod (9), a movable cylinder (14) is further arranged on the transverse plate (15), the movable cylinder (14) penetrates through the top of the transverse plate (15), the movable cylinder (14) can move along the long-side direction of the transverse plate (15), a lower pressing rod (25) is arranged in the movable cylinder (14), and the lower pressing rod (25) is connected with the movable cylinder (14) through threads;
The clamping assembly (16) comprises an adjusting rod (20), two clamping plates (17) with Z-shaped structures and two fifth fixing nuts (19), wherein the adjusting rod (20) sequentially penetrates through the two clamping plates (17), the fifth fixing nuts (19) are respectively connected with two ends of the adjusting rod (20), a fixing block (21) is further arranged on the adjusting rod (20), a positioning hole (23) is formed in the top of the fixing block (21), and a pressing rod (25) can be inserted into the positioning hole (23);
the U-shaped piece (5) is also provided with a fixing plate (1), and two ends of the U-shaped piece (5) penetrate through the U-shaped piece (5);
sleeve (2) are arranged at two ends of the U-shaped piece (5), and the sleeve (2) is made of plastic;
The vertical rod (9) is also provided with two second fixing nuts (8), the second fixing nuts (8) are connected with the vertical rod (9) through threads, and the U-shaped piece (5) is positioned between the two second fixing nuts (8);
the vertical rod (9) is also provided with two third fixing nuts (10), the third fixing nuts (10) are connected with the vertical rod (9) through threads, and the transverse plate (15) is positioned between the two third fixing nuts (10);
The top of the transverse plate (15) is also provided with sliding grooves (26), the sliding grooves (26) are distributed along the long side direction of the transverse plate (15), the sliding grooves (26) are used for communicating the top of the transverse plate (15) with the bottom plate, guide grooves are formed in two sides of the inner wall of the sliding grooves (26), the movable cylinders (14) are inserted into the sliding grooves (26), guide blocks (18) matched with the guide grooves are arranged in two sides of the movable cylinders (14), and the guide blocks (18) are located in the guide grooves;
The vertical rod (9) is also provided with a pull rod (12), one end of the pull rod (12) horizontally penetrates through the vertical rod (9), the pull rod (12) can move along the axial direction of the vertical rod (9), the other end of the pull rod (12) is provided with a connecting ring (27), and the fixed block (21) penetrates through the connecting ring (27);
The side wall of the vertical rod (9) is provided with strip-shaped openings, the strip-shaped openings are distributed along the axial direction of the vertical rod (9), the pull rod (12) is inserted into the strip-shaped openings, the pull rod (12) is also provided with two fourth fixing nuts (11), and the fourth fixing nuts (11) can fix the pull rod (12) in the strip-shaped openings;
The connecting ring is characterized in that an annular groove (28) is further formed in the circumferential side wall of the connecting ring (27), the center of the annular groove (28) is located on the central axis of the connecting ring (27), a sliding block matched with the annular groove (28) is arranged in the annular groove (28), the sliding block can rotate in the annular groove (28) along the central axis around the connecting ring (27), and the pull rod (12) is connected with the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352328.9A CN110924670B (en) | 2019-12-25 | 2019-12-25 | Fixing device for cantilever beam scaffold I-steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352328.9A CN110924670B (en) | 2019-12-25 | 2019-12-25 | Fixing device for cantilever beam scaffold I-steel |
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| CN110924670A CN110924670A (en) | 2020-03-27 |
| CN110924670B true CN110924670B (en) | 2024-07-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112727045B (en) * | 2021-03-30 | 2021-09-14 | 烟建集团有限公司 | Anchoring device for overhanging scaffold and construction method thereof |
| CN113073836B (en) * | 2021-04-08 | 2022-11-11 | 山东博惠重工科技有限公司 | I-shaped girder steel movable scaffold base fixer encorbelments |
| CN113585699B (en) * | 2021-09-07 | 2025-05-27 | 四川万润铝模有限公司 | Adjustable cantilever frame device and method of using the same |
| CN116971601B (en) * | 2023-08-04 | 2025-11-14 | 中建八局第一建设有限公司 | A high-rise, ultra-long cantilever slab formwork support frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211666234U (en) * | 2019-12-25 | 2020-10-13 | 中国二冶集团有限公司 | Fixing device for I-steel of cantilever beam scaffold |
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| CN109441094A (en) * | 2018-12-20 | 2019-03-08 | 上海建工七建集团有限公司 | The fixed pre-embedded device of builder's jack I-steel and its installation method |
| CN209817385U (en) * | 2019-01-29 | 2019-12-20 | 中国华冶科工集团有限公司 | Cantilever beam for cantilever scaffold |
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| CN211666234U (en) * | 2019-12-25 | 2020-10-13 | 中国二冶集团有限公司 | Fixing device for I-steel of cantilever beam scaffold |
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