CN115653279A - External anchor type section steel cantilever scaffold and mounting method - Google Patents
External anchor type section steel cantilever scaffold and mounting method Download PDFInfo
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- CN115653279A CN115653279A CN202211394553.0A CN202211394553A CN115653279A CN 115653279 A CN115653279 A CN 115653279A CN 202211394553 A CN202211394553 A CN 202211394553A CN 115653279 A CN115653279 A CN 115653279A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 205
- 239000010959 steel Substances 0.000 title claims abstract description 205
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims description 33
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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Abstract
The application relates to the technical field of building construction, in particular to an external anchor type section steel cantilever scaffold and an installation method thereof, wherein the external anchor type section steel cantilever scaffold comprises a steel beam and a scaffold body arranged on the steel beam, one end of the steel beam is fixedly supported and arranged on a beam seat, and the beam seat is detachably connected to the outer side of a floor; the upper and lower sides of one end of the steel beam far away from the beam seat are respectively provided with an upper pull rod and a lower support rod. This application is at the in-process of installation girder steel, because the girder steel passes through beam socket direct mount in the floor outside, need not reserve the entrance to a cave this moment on the wall body and wear to establish the installation for the girder steel, be difficult for leaving seepage hidden danger scheduling problem for building wall body.
Description
Technical Field
The application relates to the technical field of building construction, in particular to an outer anchor type section steel cantilever scaffold and an installation method.
Background
Along with the increasing of building structures, the structural steel overhanging fastener type steel pipe scaffold is widely applied to high-rise buildings and the construction of main structures needing overhanging scaffolds.
Traditional shaped steel scaffold frame of encorbelmenting regards shaped steel as the girder steel, through two anchor on the floor in the front and back of girder steel, and the anchor point adopts pre-buried U shaped steel muscle to carry out the lap-joint welding at the girder steel upper surface, in order to be fixed in the floor with the girder steel installation.
In the process of installing the steel beam, a worker needs to reserve a large opening at the corresponding shear wall or column part for the steel beam to penetrate, and in the subsequent use process, the reserved opening positions are easy to cause a plurality of problems such as leakage hidden troubles and the like. Therefore, further improvements can be made.
Disclosure of Invention
In order to solve the problem that leakage hidden danger cannot be easily left on a building wall body, the application provides an outer anchor type section steel cantilever scaffold and an installation method
First aspect, this application provides an outer anchor formula shaped steel scaffold frame of encorbelmenting adopts following technical scheme:
an external anchor type section steel cantilever scaffold comprises a steel beam and a scaffold body arranged on the steel beam, wherein one end of the steel beam is fixedly supported and arranged on a beam seat, and the beam seat is detachably connected to the outer side of a floor; and one end of the steel beam, which is far away from the beam seat, is provided with an upper pull rod and a lower support rod.
Through adopting above-mentioned technical scheme, at the in-process of installation girder steel, because the girder steel passes through beam seat direct mount in the floor outside, need not reserve the entrance to a cave on the wall body this moment and wear to establish the installation for the girder steel, be difficult for leaving leakage hidden danger scheduling problem for building wall body.
Optionally, the steel beam is i-shaped steel, and the top surface of the beam seat is a horizontal plane not lower than a floor; the top of the beam seat is provided with a plurality of pairs of guide mechanisms arranged at intervals along the direction far away from the building, and two guide mechanisms in the same pair of guide mechanisms are arranged oppositely; each guide mechanism comprises a guide seat and a guide sliding block arranged on the guide seat; the steel beam is installed along a plurality of pairs of guide mechanisms in a sliding guide mode during installation, and the two guide sliding blocks in the guide mechanisms are respectively supported in the two opening sides of the steel beam in a sliding mode.
Through adopting above-mentioned technical scheme, at the in-process of installation girder steel, the workman can construct the floor and support the girder steel in the beam seat, then promote the girder steel, make the girder steel along many to the installation of guiding mechanism sliding guide, make the girder steel can move to support in building outside position, the workman of being convenient for accomplishes the installation work of girder steel. Simultaneously, in girder steel country course of work, the direction slider can withhold girder steel inside to improve the installation stability of girder steel.
Optionally, each guide seat is provided with an adjusting rod, and two adjusting rods in the same pair of guide mechanisms are slidably and adjustably mounted on the corresponding guide seats in the direction of approaching to each other or departing from each other; the guide sliding block is fixedly arranged on the adjusting rod.
Through adopting above-mentioned technical scheme, at the dismantlement in-process of girder steel, the workman adjusts towards the direction of keeping away from each other through two regulation poles with same in to guiding mechanism, makes the direction slider remove to the girder steel outside, and the workman of being convenient for takes off the girder steel from the beam seat.
Optionally, it is same right two guide brackets in the guiding mechanism set up one side relatively and have all seted up the installing port, be provided with the pivot that is vertical setting in the installing port and install the leading wheel in the pivot, just the leading wheel rolls to support in the girder steel is inboard at girder steel sliding guide installation in-process.
Through adopting above-mentioned technical scheme, in girder steel sliding guide installation, the direction slider side forms rolling contact through between leading wheel and the girder steel, is favorable to the workman to promote the girder steel and removes.
Optionally, the rotating shaft is slidably mounted in the mounting opening, and the rotating shaft is used for driving the guide wheel to move and recover to the mounting opening/move and support against the steel beam.
Through adopting above-mentioned technical scheme, in girder steel sliding guide installation, the workman drives the leading wheel through removing the pivot and supports and prop in the girder steel is inboard to the installation is moved outward to the direction girder steel. Meanwhile, after the steel beam moves to the installation position, workers drive the guide wheels to be recovered into the installation opening by moving the rotating shaft; then, the workman promotes the slider that leads towards being close to the girder steel direction through adjusting the pole, makes the slider butt that leads inboard in the girder steel, makes the slider side that leads to support the girder steel inboard, and then improves the support stability to the girder steel.
Optionally, the girder steel top is equipped with the direction slide rail that extends along its length direction, it is provided with the direction slide to slide on the direction slide rail, go up the pull rod bottom and articulate in the direction slide rail, just go up the pull rod top and articulate in the floor outside.
Through adopting above-mentioned technical scheme, in the girder steel carries out the sliding guide installation, go up the pull rod and carry out the pull-up through the direction slide and hang the brace to the girder steel all the time, be favorable to the girder steel to carry out the sliding guide installation, can improve the installation stability of girder steel simultaneously.
Optionally, the upper pull rod comprises a double-head screw cylinder and two opposite pull rods, and the thread directions of two ends of the double-head screw cylinder are opposite; two the tie rod is threaded connection respectively in double-end screw section of thick bamboo both ends, and two tie rods keep away from double-end screw section of thick bamboo one end and articulate respectively in the direction slide and the floor outside.
Through adopting above-mentioned technical scheme, at the in-process of installing the pull rod, the workman can control two through rotating the double-end barrel screw and move towards the direction that is close to each other/keeps away from each other to the pull rod, and then can adjust the whole length of going up the pull rod to the position is drawn to hanging of steel beam to the pull rod is adjusted.
Optionally, a through hole penetrating into the steel beam is formed in the top of the steel beam, and a threaded connection hole used for connecting the connection hole is formed in the top of the guide slider.
Through adopting above-mentioned technical scheme, at the in-process of installation girder steel, when the girder steel removed to corresponding cross connection hole and the relative position department of threaded connection hole, the workman was connected cross connection hole and threaded connection hole through locking screw to be fixed in the direction slider with the girder steel, and then fix the girder steel.
Optionally, each tie rod is connected with a locking nut through threads.
Through adopting above-mentioned technical scheme, after adjusting the whole length of going up the pull rod, through screwing up lock nut to will further lock pull rod locking and double-end screw section of thick bamboo.
The second aspect, this application provides an outer anchor type shaped steel scaffold frame mounting method that encorbelments, adopts following technical scheme:
an installation method of an external anchor type section steel cantilever scaffold is based on any one of the external anchor type section steel cantilever scaffolds, and comprises the following steps: s1, firstly, embedding a connecting nut on the outer side of a floor, and then fixedly connecting a beam seat to the first connecting nut through a connecting bolt so as to fix the beam seat on the outer side of the floor; s2, after the beam seat is installed, fixedly supporting one end of the steel beam to be installed on the beam seat, and enabling the other end of the steel beam to extend in a direction away from the building; meanwhile, the end of the steel beam far away from the beam seat is respectively suspended and supported through the upper pull rod and the lower support rod; and S3, supporting and installing the scaffold body on the steel beam.
Through adopting above-mentioned technical scheme, at the in-process of installation girder steel, because the girder steel passes through beam seat direct mount in the floor outside, need not reserve the entrance to a cave on the wall body this moment and wear to establish the installation for the girder steel, be difficult for leaving leakage hidden danger scheduling problem for building wall body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the process of mounting the steel beams, the steel beams are directly mounted on the outer sides of the floors through beam seats, so that holes do not need to be reserved in the wall body for the steel beams to penetrate through for mounting, and the problems of potential leakage hazards and the like are not easy to remain for the building wall body;
2. at the in-process of installation girder steel, the workman can construct the floor in with the girder steel support in beam chair, then promote the girder steel, make the girder steel along many to guiding mechanism sliding guide installation, make the girder steel can move to support in building outside position, the workman of being convenient for accomplishes the installation work of girder steel. Meanwhile, in the working process of the steel beam, the guide sliding block can buckle the interior of the steel beam so as to improve the installation stability of the steel beam;
3. in the steel beam sliding guide installation process, a worker drives the guide wheel to support the inner side of the steel beam by moving the rotating shaft so as to guide the steel beam to move outwards for installation. Meanwhile, after the steel beam moves to the installation position, workers drive the guide wheels to be recovered into the installation opening by moving the rotating shaft; then, the workman promotes the slider that leads towards being close to the girder steel direction through adjusting the pole, makes the slider butt that leads inboard in the girder steel, makes the slider side that leads to support the girder steel inboard, and then improves the support stability to the girder steel.
Drawings
Fig. 1 is the overall structure schematic diagram of the external anchor type section steel cantilever scaffold of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a view for showing the installation relationship between a pair of guide mechanisms and a steel beam.
Fig. 4 is a view for showing the structure of the inside of the guide shoe.
Description of reference numerals:
1. a steel beam; 2. a scaffold body; 3. a beam seat; 31. reinforcing the ribbed plate; 32. a connecting nut; 33. a connecting bolt; 4. an upper pull rod; 41. a double-ended barrel; 42. a pull rod is arranged; 43. locking the nut; 44. a handle; 5. a lower stay bar; 6. a guide mechanism; 61. a guide seat; 611. an installation port; 612. a rotating shaft; 613. a guide wheel; 614. an adjusting screw; 615. adjusting the chute; 616. adjusting the sliding block; 617. an auxiliary spring; 62. a guide slider; 63. adjusting a rod; 64. a first locking screw; 65. a second locking screw; 66. a guide slide rail; 67. a guide slide; 100. a floor; 101. and (4) building surfaces.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses scaffold frame is encorbelmented to outer anchor formula shaped steel.
Referring to fig. 1, the external anchor type section steel cantilever scaffold includes a steel beam 1 and a scaffold body 2 installed on the steel beam 1; wherein, beam chair 3 is installed in the floor 100 outside, and 1 one end fixed stay of girder steel is installed in beam chair 3, and the 1 other end of girder steel extends towards 100 directions of far away floor. The girder steel 1 is kept away from 3 one end of beam seat and is installed pull rod 4 and lower vaulting pole 5 to hang drawing and shore the reinforcement to girder steel 1. The scaffold body 2 is supported and installed at one end of the steel beam 1 far away from the beam base 3.
At the in-process of installation girder steel 1, because girder steel 1 passes through beam seat 3 direct mount in the 100 outsides of floor, need not reserve the entrance to a cave this moment on the wall body and wear to establish the installation for girder steel 1, be difficult for leaving seepage hidden danger scheduling problem for building wall body.
Referring to fig. 1 and 2, in particular, in the present embodiment, the beam holder 3 has an inverted "L" shaped steel plate shape, and a reinforcing rib plate 31 having a triangular plate shape is welded inside the beam holder 3 to improve structural stability between the top plate and the side plate in the beam holder 3. A plurality of connecting nuts 32 are embedded in the outer side of the floor 100, correspondingly, a plurality of connecting holes are formed in the side plate of the beam seat 3, and the connecting holes can be aligned with the connecting nuts 32 in a one-to-one correspondence mode. When installing beam seat 3, the workman at first with beam seat 3 paste in the floor 100 outside, makes a plurality of connecting holes align in a plurality of coupling nut 32 simultaneously, then is connected the locking through coupling bolt 33 and pre-buried coupling nut 32 to be fixed in the floor 100 outside.
Referring to fig. 1 and 3, in particular, in the present embodiment, the top surface of the beam seat 3 is arranged parallel to the floor 101, and the steel beam 1 is i-shaped steel. A plurality of pairs of guide mechanisms 6 are installed at the top of the beam seat 3, the guide mechanisms 6 are arranged at intervals along the length direction of the top of the beam seat 3, and two guide mechanisms 6 in the same pair of guide mechanisms 6 are arranged oppositely.
Referring to fig. 3, each guide mechanism 6 includes a guide holder 61 and a guide slider 62; wherein, two guide holder 61 in same pair of guiding mechanism 6 set up and fixed mounting in girder steel 1 both sides relatively respectively, and the distance between two guide holder 61 is greater than the width of girder steel 1. Two guide holder 61 set up one side relatively and all seted up the slide opening that is square hole form, and the slide opening runs through the left and right sides of place guide holder 61.
The outer contour of the cross section of the guide sliding block 62 is matched with the inner contour of the cross section of the side opening position of the steel beam 1, the guide sliding block 62 is fixedly provided with a square rod-shaped adjusting rod 63, and the adjusting rod 63 is installed in the sliding hole in a sliding and inserting mode, so that a worker can adjust the distance between the two guide sliding blocks 62 in the same pair of guide mechanisms 6 to the position matched with the thickness of the vertical plate of the steel beam 1 through the adjusting rod 63. Every guide holder 61 is gone up equal threaded connection and has a locking screw 64, and after adjusting the position of direction slider 62, the workman can lock the regulation pole 63 through first tightening locking screw to it is fixed to lock to guide slider 62.
In the process of installing the steel beam 1, a worker can support the steel beam 1 on the beam base 3 in the building floor 101, and align the openings on both sides of the steel beam 1 with the two guide sliders 62 in the same pair of guide mechanisms 6, respectively. Then, promote girder steel 1, two guide slide blocks 62 in same pair of guiding mechanism 6 slide respectively this moment and support in two opening sides that supply girder steel 1, make girder steel 1 along many pairs of guiding mechanism 6 sliding guide installation to make girder steel 1 can move to support in building outside position, the workman of being convenient for accomplishes girder steel 1's installation work. Simultaneously, in girder steel 1 country working process, the guide slider 62 can withhold 1 inside of girder steel to improve girder steel 1's installation stability.
Meanwhile, in the process of disassembling the steel beam 1, a worker adjusts the two adjusting rods 63 in the same pair of guiding mechanisms 6 towards the mutually-far directions, so that the guiding sliding blocks 62 move to the outside of the steel beam 1, and the worker can conveniently take down the steel beam 1 from the beam seat 3.
In this embodiment, a push-pull rod is further fixed to an end of the adjusting rod 63 away from the guide slider 62. In the process of adjusting the guide slider 62, a worker can push/pull the adjustment rod 63 through the push-pull rod, so that the worker can conveniently complete the adjustment work of the guide slider 62.
Specifically, in this embodiment, threaded connection hole has all been seted up at every guide slider 62's top, and is corresponding, and the cross-under hole has all been seted up with every threaded connection hole corresponding position department at the top that girder steel 1 is close to building one end, and the cross-under hole runs through to inside girder steel 1.
At the in-process of installation girder steel 1, when girder steel 1 moved to corresponding cross-under hole and the relative position department of screw connection hole, the workman was connected cross-under hole and screw connection hole through second locking screw 65 to be fixed in direction slider 62 with girder steel 1, and then fix girder steel 1.
Referring to fig. 3 and 4, in the present embodiment, in the same pair of guide mechanisms 6, mounting holes 611 are respectively formed at opposite sides of two guide bases 61, and a rotating shaft 612, a guide wheel 613, and an adjusting screw 614 are respectively mounted in each mounting hole 611. Wherein, the upper and lower inboard of installing port 611 has all seted up and has adjusted spout 615, and two adjust spout 615 parallel arrangement each other. Adjusting sliding blocks 616 are arranged in the two adjusting sliding grooves 615 in a sliding mode, the rotating shaft 612 is vertically arranged, and two ends of the rotating shaft 612 are respectively connected to the two adjusting sliding blocks 616 in a rotating mode.
In this embodiment, the number of the guide wheels 613 is two, and both the guide wheels 613 are mounted on the rotating shaft 612. In other embodiments, the number of guide wheels 613 may be one, three, etc. in number. The adjusting screw 614 is screwed to the guide base 61, and the adjusting screw 614 penetrates into the upper adjusting runner 615.
In the sliding guide installation process of the steel beam 1, a worker can push the rotating shaft 612 to move and adjust along the adjusting sliding groove 615 through the adjusting screw 614, so that the guide wheel 613 rolls and supports the inner side of the steel beam 1, and the worker can push the steel beam 1 to move subsequently.
In this embodiment, the guide wheel 613 has an outer diameter smaller than the depth of the mounting hole 611. After the steel beam 1 is moved to the installation position, the worker can release the tight state between the guide wheel 613 and the steel beam 1 by adjusting the screw 614, so that the guide wheel 613 can be completely retracted into the installation opening 611. Meanwhile, the worker loosens the first locking screw 64 and pushes the adjusting rod 63 to enable the side surface of the guide sliding block 62 to abut against the inner side of the steel beam 1, so that the side surface of the guide sliding block 62 can support the inner side of the steel beam 1, and the support stability of the steel beam 1 is improved.
In order to facilitate the guide wheel 613 to be recovered into the installation opening 611, in this embodiment, an auxiliary pressure spring is installed in the adjusting sliding groove 615 above the guide wheel 613, one end of the auxiliary pressure spring abuts against one side of the adjusting sliding block 616 departing from the adjusting screw 614, and the other end of the auxiliary pressure spring is fixedly abutted against the inner side of the adjusting sliding groove 615. When the worker gradually retreats away from the adjusting screw 614 in a direction away from the steel beam 1, the auxiliary spring 617 can synchronously press the guide wheel 613 for recovery.
Referring to fig. 1 and 3, in particular, in the present embodiment, a guide rail 66 is fixedly disposed on the top of the steel beam 1, and the guide rail 66 extends along the length direction of the steel beam 1. A guide sliding seat 67 is slidably mounted on the guide sliding rail 66, the bottom of the upper pull rod 4 is hinged to the guide sliding seat 67, and the top of the upper pull rod 4 is hinged to the outer side of the upper floor 100.
In girder steel 1 carries out the sliding guide installation, go up pull rod 4 and carry out the pull-up to girder steel 1 through direction slide 67 and hang the brace all the time, be favorable to girder steel 1 to carry out the sliding guide installation, can improve girder steel 1's installation stability simultaneously.
Specifically, in the present embodiment, the upper pulling rod 4 includes a double-headed screw cylinder 41 and two counter pulling rods 42. Wherein, the screw thread direction of turning at double-end screw section of thick bamboo 41 both ends is opposite, and two opposite pull rod 42 threaded connection are in double-end screw section of thick bamboo 41 both ends respectively. One end of the lower counter pull rod 42, which is far away from the double-head screw cylinder 41, is hinged to the guide sliding seat 67, and the upper counter pull rod 42 is hinged to a connecting plate which is fixedly connected to the outer side of the upper floor 100. In this embodiment, the connection between the connection plate installed on the top of the upper tie rod 4 and the floor 100 is the same as the connection between the beam seat 3 and the floor 100, and the description thereof is omitted.
In the process of installing the upper pull rod 4, a worker can control the two opposite pull rods 42 to move towards the directions of approaching to each other/separating from each other by rotating the double-head screw cylinders 41, and then the whole length of the upper pull rod 4 can be adjusted so as to adjust the hanging and pulling positions of the steel beam 1 by the upper pull rod 4.
Referring to fig. 1, in the present embodiment, a lock nut 43 is threadedly coupled to each of the two tie rods 42. After the length of the upper pull rod 4 is adjusted, the locking screw is screwed down, so that the locking nut 43 is abutted against the double-head screw cylinder 41, and the connection stability between the counter pull rod 42 and the double-head screw cylinder 41 is further improved.
Two handles 44 in the shape of a "U" are further disposed on the outer wall of the double-ended screw cylinder 41, and the two handles 44 are disposed opposite to each other, so that a worker can adjust the double-ended screw cylinder 41 by rotating the handles 44.
Specifically, in this embodiment, the two ends of the lower stay bar 5 are both hinged with a connecting plate, and the connecting plate located at the bottom of the lower stay bar 5 is fixed outside the next floor 100. In this embodiment, the connection between the connection plate at the bottom of the lower brace 5 and the floor 100 is the same as the connection between the beam seat 3 and the floor 100, and the description thereof is omitted. The connecting plate top that is located the 5 tops of lower vaulting pole props in 1 bottom surfaces of girder steel, and is fixed in girder steel 1 through bolt and nut, makes lower vaulting pole 5 support girder steel 1.
The embodiment of the application further discloses an installation method of the external anchor type section steel cantilever scaffold.
Referring to fig. 1 and 2, the method for installing the external anchor type section steel cantilever scaffold is based on the external anchor type section steel cantilever scaffold, and comprises the following steps:
s1, firstly, embedding a connecting nut 32 on the outer side of a floor 100, and then fixedly connecting a beam seat 3 to the first connecting nut 32 through a connecting bolt 33 so as to fix the beam seat 3 on the outer side of the floor 100;
s2, after the beam base 3 is installed, one end of the steel beam 1 is fixedly supported and installed on the beam base 3, and the other end of the steel beam 1 extends in the direction away from the building; meanwhile, the end of the steel beam 1, which is far away from the beam base 3, is respectively suspended and supported through an upper pull rod 4 and a lower support rod 5;
and S3, supporting and installing the scaffold body 2 on the steel beam 1.
At the in-process of installation girder steel 1, because girder steel 1 passes through girder steel seat 3 direct mount in the 100 outsides of floor, need not reserve the entrance to a cave at this moment on the wall body in order to supply girder steel 1 to wear to establish the installation, be difficult for leaving the seepage hidden danger scheduling problem for building wall.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an outer anchor formula shaped steel scaffold frame of encorbelmenting, includes girder steel (1) and installs scaffold body (2) on girder steel (1), its characterized in that: one end of the steel beam (1) is fixedly supported and installed on a beam seat (3), and the beam seat (3) is detachably connected to the outer side of the floor (100); and an upper pull rod (4) and a lower support rod (5) are installed at one end, far away from the beam seat (3), of the steel beam (1).
2. The external anchor type steel cantilever scaffold according to claim 1, wherein: the steel beam (1) is made of I-shaped steel, and the top surface of the beam seat (3) is a horizontal plane which is not lower than a floor (101); the top of the beam seat (3) is provided with a plurality of pairs of guide mechanisms (6) which are arranged at intervals along the direction far away from the building, and two guide mechanisms (6) in the same pair of guide mechanisms (6) are arranged oppositely; each guide mechanism (6) comprises a guide seat (61) and a guide sliding block (62) arranged on the guide seat (61); the steel beam (1) is installed in a sliding guide mode along a plurality of pairs of guide mechanisms (6) during installation, and two guide sliding blocks (62) in the same pair of guide mechanisms (6) are respectively supported in two opening sides of the steel beam (1) in a sliding mode.
3. The external anchor type steel cantilever scaffold according to claim 2, wherein: each guide seat (61) is provided with an adjusting rod (63), and two adjusting rods (63) in the same pair of guide mechanisms (6) are slidably and adjustably mounted on the corresponding guide seats (61) towards the direction of approaching to each other or departing from each other; the guide sliding block (62) is fixedly arranged on the adjusting rod (63).
4. The external anchor type steel cantilever scaffold according to claim 3, wherein: the same pair of two guide seats (61) in the guide mechanism (6) are oppositely arranged, one side of each guide seat is provided with a mounting opening (611), a rotating shaft (612) which is vertically arranged and a guide wheel (613) which is arranged on the rotating shaft (612) are arranged in the mounting openings (611), and the guide wheel (613) rolls and supports the inner side of the steel beam (1) in the sliding guide mounting process of the steel beam (1).
5. The external anchor type steel cantilever scaffold according to claim 4, wherein: the rotating shaft (612) is slidably mounted in the mounting opening (611), and the rotating shaft (612) is used for driving the guide wheel (613) to move and recover into the mounting opening (611)/move and support against the steel beam (1).
6. The external anchor type steel cantilever scaffold according to claim 5, wherein: the steel beam (1) top is equipped with along its length direction extension direction guide slide rail (66), it is provided with direction slide (67) to slide on guide slide rail (66), go up pull rod (4) bottom and articulate in direction slide (67), just go up pull rod (4) top and articulate in the floor (100) outside.
7. The external anchor type steel cantilever scaffold according to claim 6, wherein: the upper pull rod (4) comprises a double-end screw cylinder (41) and two opposite pull rods (42), and the thread directions of two ends of the double-end screw cylinder (41) are opposite; the two opposite pull rods (42) are respectively in threaded connection with two ends of the double-head screw cylinder (41), and one ends, far away from the double-head screw cylinder (41), of the two opposite pull rods (42) are respectively hinged to the guide sliding seat (67) and the outer side of the floor (100).
8. The external anchor type steel cantilever scaffold according to claim 2, wherein: the top of the steel beam (1) is provided with a through hole penetrating into the steel beam (1), and the top of the guide sliding block (62) is provided with a threaded connection hole for connecting the connection hole.
9. The external anchor type steel cantilever scaffold according to claim 7, wherein: each pair of pull rods (42) is in threaded connection with a locking nut (43).
10. An installation method of an external anchor type steel cantilever scaffold, which is based on the external anchor type steel cantilever scaffold as claimed in any one of claims 1 to 9, and is characterized in that: the method comprises the following steps:
s1, firstly, embedding a connecting nut (32) on the outer side of a floor (100), and then fixedly connecting a beam seat (3) to the first connecting nut (32) through a connecting bolt (33) so as to fix the beam seat (3) on the outer side of the floor (100);
s2, after the beam base (3) is installed, one end of the steel beam (1) is fixedly supported and installed on the beam base (3), and the other end of the steel beam (1) extends towards the direction far away from the building; meanwhile, the end, far away from the beam seat (3), of the steel beam (1) is respectively suspended and supported through an upper pull rod (4) and a lower support rod (5);
and S3, supporting and installing the scaffold body (2) on the steel beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211394553.0A CN115653279B (en) | 2022-11-08 | 2022-11-08 | Externally anchored steel overhanging scaffold and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211394553.0A CN115653279B (en) | 2022-11-08 | 2022-11-08 | Externally anchored steel overhanging scaffold and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115653279A true CN115653279A (en) | 2023-01-31 |
| CN115653279B CN115653279B (en) | 2023-09-22 |
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| CN202211394553.0A Active CN115653279B (en) | 2022-11-08 | 2022-11-08 | Externally anchored steel overhanging scaffold and installation method |
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| CN (1) | CN115653279B (en) |
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| CN205742950U (en) * | 2016-06-27 | 2016-11-30 | 南通四建集团有限公司 | A kind of overhanging type fastener-style steel pipe scaffolding |
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| CN115653279B (en) | 2023-09-22 |
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