CN115263006B - Folding horizontal safety net supporting system and mounting and dismounting method thereof - Google Patents
Folding horizontal safety net supporting system and mounting and dismounting method thereof Download PDFInfo
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- CN115263006B CN115263006B CN202210643112.3A CN202210643112A CN115263006B CN 115263006 B CN115263006 B CN 115263006B CN 202210643112 A CN202210643112 A CN 202210643112A CN 115263006 B CN115263006 B CN 115263006B
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- window
- cantilever
- fixing device
- rod
- folding
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3219—Means supported by the building wall, e.g. security consoles
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3276—Arrangements on buildings for connecting safety-lines
- E04G21/329—Arrangements on buildings for connecting safety-lines with measures for dampening the fall
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a folding horizontal safety net supporting system and an installing and detaching method thereof. The fixing device of the window inner opening and the window outer opening is clamped and fixed on the window through the split bolts. The window outer opening fixing device is provided with a rope threading component. One end of a rotating connecting rod of the folding outer cantilever device is connected with the middle of the window outer opening fixing device through a first rotating shaft, the other end of the rotating connecting rod is connected with the middle of the cantilever horizontal section assembly through a second rotating shaft, the cantilever end of the cantilever horizontal section assembly is connected with one end of the cantilever inclined section assembly through a first limiting rotating shaft, the other end of the cantilever inclined section assembly is connected with one end of the cantilever outer rod through a second limiting rotating shaft, and the other end of the cantilever outer rod is suspended and provided with a rope penetrating hole. The upper and lower parts of the window inner opening fixing device are provided with upper and lower adjustable inclined supports. The folding type folding and unfolding turnover device is convenient to install and detach, high in safety and capable of being folded, retracted and used in turnover.
Description
Technical Field
The invention relates to a folding horizontal safety net supporting system and an installing and detaching method thereof, belonging to the technical field of horizontal safety net supporting of construction sites.
Background
At present, a high-rise building needs to be continuously provided with horizontal safety nets at intervals of certain heights on the outer facade of the high-rise building in the construction stage so as to prevent personnel or materials at high places from falling. The existing method is to build an outward-protruding support frame from a window part by utilizing a steel pipe fastener, and then pull a steel wire rope to install and fix the horizontal safety net. Although the method can play a role in high-falling protection to a certain extent, the following defects still exist:
1. the setting up speed and quality of the cantilever support frame can be influenced by factors such as construction environment, worker technical level and the like; 2. the size of the cantilever support frame is fixed, but the construction space is limited by a window, so that the steel pipe is required to be cut and truncated according to actual requirements in the erection process, the steel pipe is wasted, the steel pipe cannot be transferred to other scaffold engineering, and the material waste is serious; 3. the number of the steel pipes and the fasteners contained in the cantilever support frame is large and scattered, so that the assembly and disassembly process is slow, more connection points are difficult to check, and loose potential safety hazards are easy to occur; 4. in the erection process of the cantilever support frame, a safety belt is hung by a shelf worker for segmented erection, at least two persons are required to cooperate when the cantilever part is erected, the erection worker is required to carry out the next erection construction on the erected cantilever support frame, the construction difficulty is high, unsafe factors are more, in the construction process, the shelf worker is required to transfer and install one component by one component, the construction efficiency is low, and the risk that the component falls off by hands exists in the erection process; 5. the erection construction of the cantilever support frame belongs to high-altitude operation, is greatly influenced by factors such as external environment wind power and the like, and has potential safety hazards.
Disclosure of Invention
The invention aims to provide a folding horizontal safety net supporting system and an installing and detaching method thereof, which are rapid and convenient to install and detach, controllable in installing quality, guaranteed, high in construction safety, capable of being folded, retracted and recycled after being detached, and suitable for popularization.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a folding horizontal safety net support system, characterized in that: it includes window inside and outside mouth fixing device and window device, and the device outside the window includes window outside mouth fixing device and folding device of choosing outward, wherein: the window inner opening fixing device and the window outer opening fixing device which are respectively clung to the inner side and the outer side of the window of the outer main body structure are connected through split bolts so as to be clamped at the window position; a rope threading component for threading the net picking steel wire rope is arranged on one side of the window outer opening fixing device facing the outside; the folding cantilever device comprises a cantilever horizontal section assembly, a cantilever inclined section assembly, a cantilever outer rod and a rotating connecting rod, one end of the rotating connecting rod is connected with the middle part of the window outer opening fixing device through a first rotating shaft, the other end of the rotating connecting rod is connected with the middle part of the cantilever horizontal section assembly through a second rotating shaft, the cantilever end of the cantilever horizontal section assembly is connected with one end of the cantilever inclined section assembly through a first limiting rotating shaft, the other end of the cantilever inclined section assembly is connected with one end of the cantilever outer rod through a second limiting rotating shaft, and the other end of the cantilever outer rod is suspended and provided with a rope penetrating hole for penetrating a steel wire rope of a cantilever net; the upper part and the lower part of the window inner opening fixing device are respectively provided with an upper adjustable inclined support for propping against the bottom surface of the upper floor slab and a lower adjustable inclined support for propping against the overhanging horizontal section component extending into the window; when the folding cantilever device which extends out of the window is in an unfolding state, the folding cantilever device is unfolded from the window to the outside to be in a gradually upturned shape under the limiting actions of self gravity, a downward adjustable inclined support, a first limiting rotating shaft and a second limiting rotating shaft; when the folding is retracted, the window outer device separated from the window inner opening fixing device through the split bolt can be rotated and folded to form a plane shape.
A method of installing a folding horizontal safety net support system, comprising the steps of:
1) Horizontally arranging the device outside the window in a folding state on a window of an outer main body structure;
2) Lifting the rotary connecting rod and rotating the window outer opening fixing device by the aid of the first rotary shaft and the second rotary shaft, so that the window outer opening fixing device is clung to the outer side of a window;
3) Making the window inner opening fixing device cling to the inner side of the window, and tying the window inner opening fixing device and the window outer opening fixing device through the split bolt so as to clamp the window inner opening fixing device and the window outer opening fixing device on the window, wherein: the upper adjustable inclined support and the lower adjustable inclined support are adjusted, so that the upper adjustable inclined support is obliquely upwards propped against the bottom surface of an upper floor slab in the outer main body structure, and the lower adjustable inclined support is obliquely downwards propped against the top surface of the overhanging horizontal section component extending into the window;
4) The outer pole of encorbelmenting and the slope section subassembly of encorbelmenting that fold together towards outdoor upset, then outwards overturn the outer pole of encorbelmenting to make stretch out the window encorbelment the folding outer device of encorbelmenting is the state of expanding, wherein: the safety steel wire rope which is tied between the hanging ring of the cantilever outer rod and the hanging ring of the cantilever horizontal section assembly is in a tensioning state;
5) The folding horizontal safety net support system is installed, so that the net picking steel wire rope is penetrated into the rope penetrating component on the window outer opening fixing device, and the net picking steel wire rope is penetrated into the rope penetrating hole of the cantilever outer rod, and a horizontal safety net is installed between the two net picking steel wire ropes.
A method for disassembling the folding horizontal safety net support system, which is characterized by comprising the following steps:
1) After the horizontal safety net and the net-picking steel wire rope are detached, the cantilever outer rod is rotated, so that the cantilever outer rod is folded on the cantilever inclined section assembly and is positioned on the same plane with the cantilever inclined section assembly;
2) The overhanging outer rod and the overhanging inclined section component which are folded together are rotated, so that the overhanging outer rod and the overhanging inclined section component are folded on the overhanging horizontal section component and are positioned on the same plane with the overhanging horizontal section component;
3) Loosening the split bolt and detaching the window internal opening fixing device;
4) Rotating the rotating connecting rod to enable the window outer opening fixing device and the rotating connecting rod to be folded on the overhanging horizontal section assembly and to be located on the same plane with the overhanging horizontal section assembly;
5) And the folding horizontal safety net support system is disassembled.
The invention has the advantages that:
the horizontal safety net supporting system is reasonable in structural design, quick and convenient to install and detach, controllable in installation quality, guaranteed, high in working efficiency, high in operation safety, free of influence of factors such as construction environment and technical level of workers, small in occupied space, convenient to turnover and transport, and suitable for popularization, and installation and detachment can be completed only at window positions.
Drawings
Figure 1 is a schematic view of the folding horizontal safety net support system of the present invention after installation.
Figure 2 is a schematic view of the folding horizontal safety net support system of the present invention in an unfolded state.
Figure 3 is a schematic view of an in-window H-keel frame.
Fig. 4 is a schematic view of an out-of-window H-keel frame.
Figure 5 is a perspective view of the folded horizontal safety net support system of the present invention in use.
Fig. 6 is a schematic view of the out-of-window device in a folded condition disposed over a window.
Fig. 7 is a schematic view of the flip swivel tie bar.
Fig. 8 is a schematic view of the window external port fixture flipped over to abut against the outside of the window.
Fig. 9 is a schematic view of the structure when viewing fig. 8 from indoors.
Fig. 10 is a schematic view of a mounting window inner and drawknot window inner and outer window fixtures.
Fig. 11 is a schematic view of the structure when viewing fig. 10 from indoors.
FIG. 12 is a schematic view of the overhanging outer rod and overhanging oblique segment assembly folded together in an inverted orientation.
Fig. 13 is a schematic view showing the folding and unfolding state of the cantilever device after the cantilever outer rod is turned over.
Figure 14 is a schematic flow chart of an embodiment of a method for disassembling the folding horizontal safety net support system of the present invention.
Detailed Description
As shown in fig. 1 to 14, the folding horizontal safety net support system of the present invention comprises an inside window fixing device 10 and an outside window device 20, the outside window device 20 comprising an outside window fixing device 21 and a folding cantilever device 22, wherein: the window inner opening fixing device 10 and the window outer opening fixing device 21 which are respectively and closely attached to the inner side and the outer side of the window 71 of the outer main body structure 70 are connected through the split bolts 30 so as to be clamped at the position of the window 71 (the window 71 is positioned between the upper floor slab 90 and the lower floor slab 80) in a frame-holding mode; a rope penetrating member 213 for penetrating the net picking wire rope 40 is installed on the side of the window fixing device 21 facing the outside (the rope penetrating member 213 is cylindrical or annular); the folding cantilever device 22 comprises a cantilever horizontal section assembly 221, a cantilever inclined section assembly 222, a cantilever outer rod 223 and a rotating connecting rod 224, one end of the rotating connecting rod 224 is connected with the middle part of the window outer opening fixing device 21 through a first rotating shaft 231, the other end of the rotating connecting rod 224 is connected with the middle part of the cantilever horizontal section assembly 221 through a second rotating shaft 232, one end of the cantilever horizontal section assembly 221 is used for extending into a window 71 and is positioned indoors, the other end of the cantilever horizontal section assembly is used as a cantilever end and is connected with one end of the cantilever inclined section assembly 222 through a first limiting rotating shaft 233, the other end of the cantilever inclined section assembly 222 is connected with one end of the cantilever outer rod 223 through a second limiting rotating shaft 234, and the other end of the cantilever outer rod 223 is suspended and provided with a rope penetrating hole 2230 for penetrating a cantilever net steel wire rope 40; the upper part and the lower part of the window internal fixing device 10 are respectively provided with an upper adjustable inclined support 12 for propping against the bottom surface of the upper floor slab 90 and a lower adjustable inclined support 13 for propping against the overhanging horizontal section component 221 extending into the window 71; when the folding cantilever device 22 overhanging the window 71 is in an unfolding state, the folding cantilever device 22 is unfolded from the window 71 to the outside into a gradually upturned shape (or a fold-line upturned shape) under the limiting actions of the self gravity and the downward adjustable diagonal brace 13, the first limiting rotating shaft 233 and the second limiting rotating shaft 234; when folding and retracting, the window outer device 20 separated from the window inner opening fixing device 10 through the split bolt 30, namely the overhanging horizontal section assembly 221, the overhanging inclined section assembly 222, the overhanging outer rod 223, the rotating connecting rod 224 and the window outer opening fixing device 21 of the folding overhanging device 22 can be rotated and folded to form a plane shape, namely a folding state.
As shown in fig. 3, the window fixing device 10 includes a ladder-shaped window H-shaped keel frame 11 formed by welding vertical bars 111 and cross bars 112, wherein the window H-shaped keel frame 11 is configured to be disposed closely to the inner side of the window 71, and wherein: the vertical rod 111 is provided with a drawknot hole 110 for penetrating and installing the split bolt 30; as shown in fig. 1 and 3, the upper adjustable diagonal brace 12 and the lower adjustable diagonal brace 13 are respectively connected with the upper part and the lower part of the window inner opening H-shaped keel frame 11, the upper adjustable diagonal brace 12 is inclined upwards relative to the window inner opening H-shaped keel frame 11 and is abutted against the bottom surface of the upper floor slab 90 in the outer main body structure 70, and the lower adjustable diagonal brace 13 is inclined downwards relative to the window inner opening H-shaped keel frame 11 and is abutted against the top surface of the overhanging horizontal section component 221 extending into the window 71.
As shown in fig. 4, the window outer opening fixing device 21 includes a ladder-shaped window outer opening H-shaped keel frame 215 formed by welding a vertical rod 211 and a cross rod 212, and the window outer opening H-shaped keel frame 215 is used for being tightly attached to the outer side of the window 71 and is clamped on the window 71 together with the window inner opening H-shaped keel frame 11 through a split bolt 30, wherein: the vertical rod 211 is provided with a drawknot hole 210 for penetrating and installing the split bolt 30, one side of the middle part of the vertical rod 211 facing the outside is provided with a rope penetrating member 213, and when the H-shaped keel frame 215 of the window is vertically clung to the outer side of the window 71, a cross rod 212 is not arranged above the rope penetrating member 213 of the vertical rod 211 or the cross rod 212 above the rope penetrating member 213 of the vertical rod 211 is a detachable cross rod 212' (as shown in fig. 4).
In the invention, the upper adjustable inclined support 12 and the lower adjustable inclined support 13 play a role in supporting the whole horizontal safety net support system.
In practical implementation, the upper adjustable inclined support 12 and the lower adjustable inclined support 13 can respectively form 45-degree included angles with the window inner opening H-shaped keel frame 11, namely, the upper adjustable inclined support and the lower adjustable inclined support are arranged in a splayed shape relative to the window inner opening H-shaped keel frame 11.
In practical design, the upper adjustable diagonal brace 12 and the lower adjustable diagonal brace 13 may be screw rod type diagonal braces, which is not limited. Specifically, the upper adjustable diagonal brace 12 includes an upper screw rod 121, one end of the upper screw rod 121 is welded to the upper portion of the vertical rod 111 of the window-inside-opening H-shaped keel frame 11 while the other end is adjustably connected to an upper abutment wedge 122, and likewise, the lower adjustable diagonal brace 13 includes a lower screw rod 131, one end of the lower screw rod 131 is welded to the lower portion of the vertical rod 111 of the window-inside-opening H-shaped keel frame 11 while the other end is adjustably connected to a lower abutment wedge 132. Therefore, after the window inner opening H-shaped keel frame 11 is mounted close to the inner side of the window 71, the lengths of the upper adjustable inclined support 12 and the lower adjustable inclined support 13 are adjusted to enable the upper adjustable inclined support 12 and the lower adjustable inclined support 13 to respectively abut against the bottom surface of the upper floor slab 90 and the top surface of the overhanging horizontal section component 221, so that the clamping stability of the window inner opening fixing device 10 and the window outer opening fixing device 21 at the position of the window 71 can be improved.
As shown in fig. 1, a hanging ring 227 is installed at the suspended end of the overhanging outer rod 223, and a safety wire rope 225 is tied between the hanging ring 227 of the overhanging outer rod 223 and a hanging ring 226 installed on the middle part of the overhanging horizontal section assembly 221. In the present invention, the safety wire rope 225 functions as a tie and a safety during the process of unfolding the folding and unfolding the cantilever device 22 and during the process of performing construction in the cantilever and unfolding state, and does not participate in the stress of the folding and unfolding device 22.
In the present invention, the suspension ring 227 is rotatably mounted to the overhanging outer rod 223, and the suspension ring 226 is rotatably mounted to the overhanging horizontal segment assembly 221. By "rotatably mounted" herein is meant that when the out-of-window device 20 is folded, the lifting ring 226 can be flipped over and abutted against the overhanging horizontal section assembly 221, and the lifting ring 227 can be flipped over and abutted against the end of the overhanging outer rod 223 so as not to interfere with the final folding of the out-of-window device 20 into a planar shape.
In practical design, the overhanging horizontal section assembly 221 includes a plurality of rods 2211 (fig. 13 shows a case where three rods 2211 are designed), a protection limiting plate 2212 is welded under the part of all the rods 2211, which is located outside the window 71, in a overhanging manner, the rotating connecting rod 224 is rotatably connected with the rods 2211 through a second rotating shaft 232, and the rotating connecting rod 224 is rotatably connected with the vertical rod 211 of the window fixing device 21 through a first rotating shaft 231. In practical design, two rotating connecting rods 224 may form a pair, as shown in fig. 13, where the overhanging horizontal section assembly 221 is connected to two pairs of rotating connecting rods 224, and one pair of rotating connecting rods 224 is used to connect to the window outer H-shaped keel frame 215 of one window outer H-shaped keel frame 21, and one window outer H-shaped keel frame 215 is correspondingly configured with one window inner H-shaped keel frame 11 or said window inner fixing device 10.
Further, the cantilever inclined section assembly 222 includes a plurality of parallel rods 2221 (fig. 13 shows a case of designing 2 rods 2221), a protective limiting plate 2222 is welded under all the rods 2221 together, the rods 2221 of the cantilever inclined section assembly 222 are rotatably connected with the rods 2211 of the cantilever horizontal section assembly 221 through a first limiting rotating shaft 233, and the rods 2221 of the cantilever inclined section assembly 222 are rotatably connected with the cantilever outer rod 223 through a second limiting rotating shaft 234.
In practical designs, the number of the cantilever outer rods 223 may be one or more, and fig. 13 shows a case where 2 cantilever outer rods 223 are designed, however, a protection plate (not shown) may be welded under two cantilever outer rods 223.
In the present invention, the protection limiting plates 2212 and 2222 have the functions of, on one hand, realizing the closed protection of the bottom of the overhanging part of the horizontal safety net support system of the present invention, simultaneously facilitating the installation and fixation of the overhanging net wire rope 40, and providing an operation platform for the installation of the horizontal safety net, on the other hand, playing the role of post-folding limiting, the protection limiting plate 2212 ensures that the rotating connecting rod 224 and the window outside opening fixing device 21 can be horizontally placed on the protection limiting plate 2212 after being folded without being influenced by the rotation of the second rotating shaft 232, and the protection limiting plate 2222 ensures that the overhanging outer rod 223 can be horizontally placed on the protection limiting plate 2222 after being folded and that the overhanging outer rod 223 and the overhanging inclined section assembly 222 which are folded together can be horizontally placed on the protection limiting plate 2212 after being folded, thereby ensuring the folding effect.
When the folding cantilever device 22 overhanging the window 71 is in the unfolded state: the overhanging horizontal section component 221 horizontally extends from the room to the outside under the limiting (propping) action of the lower adjustable diagonal brace 13 connected with the rotary connecting rod 224; the cantilever inclined section assembly 222 which is inclined upwards forms an obtuse angle with the cantilever horizontal section assembly 221 under the limiting action of the first limiting rotating shaft 233; similarly, the cantilever outer rod 223 which is inclined upwards forms an obtuse angle with the cantilever inclined section assembly 222 under the limiting action of the second limiting rotating shaft 234. The angular design here ensures that the components of the folded-out device 22 naturally assume and remain in a well-unfolded state under their own weight.
When the out-of-window device 20 is folded back: the cantilever outer rod 223 can be rotated and folded on the cantilever inclined section assembly 222 by the second limiting rotating shaft 234; the outer overhanging pole 223 and the overhanging oblique section component 222 folded together can be rotated and folded on the overhanging horizontal section component 221 by the first limiting rotating shaft 233; by means of the first rotating shaft 231 and the second rotating shaft 232, the window outer opening fixing device 21 and the rotating connecting rod 224 can be rotated and folded on the overhanging horizontal section assembly 221, so that the folding outer overhanging device 22 and the window outer opening fixing device 21 are finally folded to form a plane shape (in a folding state).
In the present invention, the first and second limiting rotation shafts 233 and 234 have a rotation angle limiting effect, and the first and second rotation shafts 231 and 232 have no rotation angle limiting effect.
Preferably, the first limiting rotation shaft 233 limits 155 ° between the overhanging oblique section assembly 222 and the overhanging horizontal section assembly 221, and the second limiting rotation shaft 234 limits 170 ° between the overhanging outer rod 223 and the overhanging oblique section assembly 222.
In practical design, the first limit rotating shaft 233 and the second limit rotating shaft 234 are rotating shafts with limit blocks.
In practical manufacturing, the vertical rod 111 and the horizontal rod 112 of the window inner opening fixing device 10, the vertical rod 211 and the horizontal rod 212 of the window outer opening fixing device 21, the detachable horizontal rod 212', the rod 2211, the rod 2221, the rotating connecting rod 224 and the cantilever outer rod 223 can be made of galvanized square steel. The protective limiting plates 2212 and 2222 can be made of galvanized pattern steel plates and are fixed by full welding, and the galvanized pattern steel plates can be scattered with small holes to prevent water accumulation.
In the present invention, the split bolt 30 should be provided with split nuts in a matched manner, and the split bolt 30, the upper adjustable diagonal brace 12, the lower adjustable diagonal brace 13, the first limit rotation shaft 233 and the second limit rotation shaft 234 are existing or well known components in the art, so they are not described in detail herein.
Based on the folding horizontal safety net supporting system of the invention, the invention also provides an installation method, as shown in fig. 6 to 13, which comprises the following steps:
1) Placing the out-of-window device 20 in a folded state horizontally over the lower window edge of window 71 of the outer body structure 70 (see fig. 6);
2) By means of the first rotation shaft 231 and the second rotation shaft 232, the rotation connection rod 224 (fig. 7) is lifted and the window outer opening fixing device 21 is rotated, so that the window outer opening fixing device 21 is tightly attached to the outer side of the window 71 (fig. 8 and 9), wherein: if the detachable cross bar 212 'is designed above the rope threading part 213 of the vertical rod 211 of the window outer opening fixing device 21, the detachable cross bar 212' is installed after the window outer opening fixing device 21 is lifted by rotation;
3) The window fixing device 10 is tightly attached to the inner side of the window 71, and the window fixing device 10 and the window fixing device 21 are tied by the split bolts 30, so that the window fixing device 10 and the window fixing device 21 are clamped on the window 71 in a frame-holding manner (as shown in fig. 10 and 11), wherein: the upper adjustable inclined support 12 and the lower adjustable inclined support 13 on the window inner opening fixing device 10 are adjusted, so that the upper adjustable inclined support 12 is obliquely upwards propped against the bottom surface of the upper floor slab 90 in the outer main body structure 70, and the lower adjustable inclined support 13 is obliquely downwards propped against the top surface of the overhanging horizontal section component 221 extending into the window 71, and therefore the lower adjustable inclined support 13 plays a role in horizontally limiting the overhanging horizontal section component 221;
4) The overhanging outer pole 223 and the overhanging oblique section assembly 222 folded together are turned to a set obtuse angle shape (fig. 12) toward the outside, and then the overhanging outer pole 223 is turned to a set obtuse angle shape (fig. 13) toward the outside, so that the overhanging folding outer pole 22 overhanging the window 71 is in an unfolded state, wherein: the safety steel wire rope 225 which is tied between the hanging ring 227 of the overhanging outer rod 223 and the hanging ring 226 of the overhanging horizontal section component 221 is in a tensioning state;
5) The folding horizontal safety net support system is installed to penetrate the net-picking wire rope 40 in the rope penetration part 213 on the window outer opening fixing device 21 and the net-picking wire rope 40 in the rope penetration hole 2230 of the cantilever outer rod 223, thereby installing a horizontal safety net (not shown in the drawing) between the two net-picking wire ropes 40 formed by pulling.
Thus, before construction, the horizontal safety net support system of the present invention is installed on each window 71 at the same height on the outer body structure 70, and the horizontal safety net is continuously installed between the two net picking steel wires 40 pulled on the horizontal safety net support system, thereby preparing for construction.
The invention also provides a disassembly method of the folding horizontal safety net support system after construction is finished, as shown in fig. 14, comprising the following steps:
1) After the horizontal safety net and the net picking steel wire rope 40 are detached, the cantilever outer rod 223 is rotated, so that the cantilever outer rod 223 is folded on the cantilever inclined section assembly 222 and is positioned on the same plane with the cantilever inclined section assembly 222;
2) The overhanging outer rod 223 and the overhanging inclined section component 222 which are folded together are rotated, so that the overhanging outer rod 223 and the overhanging inclined section component 222 are folded on the overhanging horizontal section component 221 and are positioned on the same plane with the overhanging horizontal section component 221;
3) Loosening the split bolt 30, and detaching the window internal fixing device 10, wherein the upper adjustable diagonal brace 12 and the lower adjustable diagonal brace 13 on the window internal fixing device 10 are adjusted to loosen the upper and lower tightening parts;
4) Rotating the rotating connecting rod 224, the window outer opening fixing device 21 and the rotating connecting rod 224 are folded on the overhanging horizontal section assembly 221 and are positioned on the same plane with the overhanging horizontal section assembly 221, namely, the window outer opening fixing device 20 is finally folded into a plane shape, wherein: if the detachable cross bar 212 'is designed above the rope threading part 213 of the vertical rod 211 of the window outer opening fixing device 21, the detachable cross bar 212' is detached first and then the window outer opening fixing device 21 is folded;
5) The folding horizontal safety net support system is disassembled.
The invention has the following advantages:
1. the invention is convenient to install and disassemble, can be completed by common workers, does not need professional shelves, does not need professional training, and is easy to implement.
2. The invention has high overall stability after installation, does not need to consider the risk of losing and damaging spare parts in the process of installation and disassembly, and has high turnover use efficiency.
3. The invention has the advantages of easy obtainment and manufacture of all parts, small number of parts, few connecting nodes, easy inspection, safety and reliability, and is processed by adopting conventional materials on a construction site.
4. The installation and the disassembly processes of the invention can be completed at the indoor window part, the risk of high-altitude operation is avoided, and the invention is not influenced by external conditions.
5. The invention has the advantages of rapid installation and disassembly processes, high efficiency, and no falling risk of parts, and all the processes are carried out indoors.
6. The invention is designed with the safety steel wire rope, which provides safety guarantee for the unfolding of the folding cantilever device, and in addition, the invention is designed with the protection limiting plate, which provides a temporary construction platform for the net hanging operation, and reduces the potential safety hazard.
7. The folding type cantilever support frame can meet the requirements of window openings and wall thickness with different sizes, is small in storage space after folding, is convenient to transport in a turnover mode, and overcomes various defects existing in the existing cantilever support frame.
The foregoing is a description of the preferred embodiments of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any modifications, equivalent changes, simple substitutions and the like based on the technical scheme of the present invention can be made without departing from the spirit and scope of the present invention.
Claims (9)
1. A folding horizontal safety net support system, characterized in that: it includes window inside and outside mouth fixing device and window device, and the device outside the window includes window outside mouth fixing device and folding device of choosing outward, wherein: the window inner opening fixing device and the window outer opening fixing device which are respectively clung to the inner side and the outer side of the window of the outer main body structure are connected through split bolts so as to be clamped at the window position; a rope threading component for threading the net picking steel wire rope is arranged on one side of the window outer opening fixing device facing the outside; the folding cantilever device comprises a cantilever horizontal section assembly, a cantilever inclined section assembly, a cantilever outer rod and a rotating connecting rod, one end of the rotating connecting rod is connected with the middle part of the window outer opening fixing device through a first rotating shaft, the other end of the rotating connecting rod is connected with the middle part of the cantilever horizontal section assembly through a second rotating shaft, the cantilever end of the cantilever horizontal section assembly is connected with one end of the cantilever inclined section assembly through a first limiting rotating shaft, the other end of the cantilever inclined section assembly is connected with one end of the cantilever outer rod through a second limiting rotating shaft, and the other end of the cantilever outer rod is suspended and provided with a rope penetrating hole for penetrating a steel wire rope of a cantilever net; the upper part and the lower part of the window inner opening fixing device are respectively provided with an upper adjustable inclined support for propping against the bottom surface of the upper floor slab and a lower adjustable inclined support for propping against the overhanging horizontal section component extending into the window; when the folding cantilever device which extends out of the window is in an unfolding state, the folding cantilever device is unfolded from the window to the outside to be in a gradually upturned shape under the limiting actions of self gravity, a downward adjustable inclined support, a first limiting rotating shaft and a second limiting rotating shaft; when the folding is retracted, the window outer device separated from the window inner opening fixing device through the split bolt can be rotated and folded to form a plane shape.
2. The folding horizontal security mesh support system of claim 1, wherein:
the window internal opening fixing device comprises a ladder-shaped window internal opening H-shaped keel frame formed by welding vertical rods and cross rods, wherein the window internal opening H-shaped keel frame is used for being tightly attached to the inner side of a window, and the window internal opening H-shaped keel frame comprises the following components: the vertical rod is provided with a drawknot hole for penetrating and installing the split bolt; the upper part and the lower part of the window inner opening H-shaped keel frame are respectively connected with the upper adjustable inclined support and the lower adjustable inclined support, the upper adjustable inclined support is obliquely upwards against the bottom surface of an upper floor slab in the outer main body structure relative to the window inner opening H-shaped keel frame, and the lower adjustable inclined support is obliquely downwards against the top surface of the overhanging horizontal section assembly extending into the window relative to the window inner opening H-shaped keel frame;
the window outer opening fixing device comprises a ladder-shaped window outer opening H-shaped keel frame formed by welding vertical rods and cross rods, wherein the window outer opening H-shaped keel frame is used for being tightly attached to the outer side of a window and is clamped on the window through the split bolt and the window inner opening H-shaped keel frame, and the split bolt is used for being fixedly clamped on the window together with the window inner opening H-shaped keel frame: the vertical rod is provided with a drawknot hole for penetrating and installing the split bolt, the rope penetrating component is installed towards one side of the outdoor side of the middle part of the vertical rod, and the cross rod above the rope penetrating component which is positioned at the vertical rod is a detachable cross rod when the window is vertically clung to the outer side of the window through the H-shaped keel frame.
3. The folding horizontal security mesh support system of claim 1, wherein:
the suspension end of the cantilever outer rod is provided with a suspension ring, and a safety steel wire rope is tied between the suspension ring of the cantilever outer rod and the suspension ring arranged on the middle part of the cantilever horizontal section assembly.
4. The folding horizontal security mesh support system of claim 1, wherein:
the cantilever horizontal section assembly comprises a plurality of rod pieces which are arranged in parallel, a protection limiting plate is welded below the part, which is positioned outside the window, of all the rod pieces in a cantilever mode, the rotary connecting rod is rotationally connected with the rod pieces through the second rotating shaft, and the rotary connecting rod is rotationally connected with a vertical rod of the window outer opening fixing device through the first rotating shaft;
the cantilever inclined section assembly comprises a plurality of rods which are arranged in parallel, a protection limiting plate is welded below all the rods together, the rods of the cantilever inclined section assembly are rotationally connected with the rods of the cantilever horizontal section assembly through a first limiting rotating shaft, and the rods of the cantilever inclined section assembly are rotationally connected with the cantilever outer rod through a second limiting rotating shaft.
5. The folding horizontal security mesh support system of claim 4, wherein:
when the folding cantilever device overhanging the window is in an unfolding state: the overhanging horizontal section component horizontally extends to the outside from the inside of the room under the limiting action of the connection of the rotating connecting rod and the lower adjustable inclined support; the cantilever inclined section component which is inclined upwards forms an obtuse angle with the cantilever horizontal section component under the limiting action of the first limiting rotating shaft; the cantilever outer rod which is inclined upwards forms an obtuse angle with the cantilever inclined section component under the limiting action of the second limiting rotating shaft;
when folded back the out-of-window device: the cantilever outer rod can be rotated and folded on the cantilever inclined section assembly by virtue of the second limiting rotating shaft; the cantilever outer rod and the cantilever inclined section assembly which are folded together can be rotated and folded on the cantilever horizontal section assembly by the first limiting rotating shaft; by means of the first rotating shaft and the second rotating shaft, the window outer opening fixing device and the rotating connecting rod can be rotated and folded on the overhanging horizontal section assembly, so that the folding outer opening fixing device and the window outer opening fixing device are finally folded to form a plane shape.
6. A method of installing a folding horizontal security mesh support system as claimed in any one of claims 1 to 5, comprising the steps of:
1) Horizontally arranging the device outside the window in a folding state on a window of an outer main body structure;
2) Lifting the rotary connecting rod and rotating the window outer opening fixing device by the aid of the first rotary shaft and the second rotary shaft, so that the window outer opening fixing device is clung to the outer side of a window;
3) Making the window inner opening fixing device cling to the inner side of the window, and tying the window inner opening fixing device and the window outer opening fixing device through the split bolt so as to clamp the window inner opening fixing device and the window outer opening fixing device on the window, wherein: the upper adjustable inclined support and the lower adjustable inclined support are adjusted, so that the upper adjustable inclined support is obliquely upwards propped against the bottom surface of an upper floor slab in the outer main body structure, and the lower adjustable inclined support is obliquely downwards propped against the top surface of the overhanging horizontal section component extending into the window;
4) The outer pole of encorbelmenting and the slope section subassembly of encorbelmenting that fold together towards outdoor upset, then outwards overturn the outer pole of encorbelmenting to make stretch out the window encorbelment the folding outer device of encorbelmenting is the state of expanding, wherein: the safety steel wire rope which is tied between the hanging ring of the cantilever outer rod and the hanging ring of the cantilever horizontal section assembly is in a tensioning state;
5) The folding horizontal safety net support system is installed, so that the net picking steel wire rope is penetrated into the rope penetrating component on the window outer opening fixing device, and the net picking steel wire rope is penetrated into the rope penetrating hole of the cantilever outer rod, and a horizontal safety net is installed between the two net picking steel wire ropes.
7. A method of installing a folding horizontal security mesh support system as defined in claim 6, wherein:
in said step 2): if the detachable cross rod is arranged above the rope threading part of the vertical rod of the window outer opening fixing device, the detachable cross rod is installed after the window outer opening fixing device is lifted in a rotating mode.
8. A method of removing a folding horizontal security mesh support system as claimed in any one of claims 1 to 5, comprising the steps of:
1) After the horizontal safety net and the net-picking steel wire rope are detached, the cantilever outer rod is rotated, so that the cantilever outer rod is folded on the cantilever inclined section assembly and is positioned on the same plane with the cantilever inclined section assembly;
2) The overhanging outer rod and the overhanging inclined section component which are folded together are rotated, so that the overhanging outer rod and the overhanging inclined section component are folded on the overhanging horizontal section component and are positioned on the same plane with the overhanging horizontal section component;
3) Loosening the split bolt and detaching the window internal opening fixing device;
4) Rotating the rotating connecting rod to enable the window outer opening fixing device and the rotating connecting rod to be folded on the overhanging horizontal section assembly and to be located on the same plane with the overhanging horizontal section assembly;
5) And the folding horizontal safety net support system is disassembled.
9. A method of removing a folding horizontal security mesh support system as defined in claim 8 wherein:
in the step 4), if the detachable cross rod is arranged above the rope penetrating component of the vertical rod of the window outer opening fixing device, the detachable cross rod is detached firstly, and then the window outer opening fixing device is folded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210643112.3A CN115263006B (en) | 2022-06-08 | 2022-06-08 | Folding horizontal safety net supporting system and mounting and dismounting method thereof |
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| CN202210643112.3A CN115263006B (en) | 2022-06-08 | 2022-06-08 | Folding horizontal safety net supporting system and mounting and dismounting method thereof |
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| CN115263006B true CN115263006B (en) | 2023-09-26 |
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| CN115263006A (en) | 2022-11-01 |
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