A secondary defense structure for a stone curtain wall

Abstract

The present application relates to a secondary defense structure for a stone curtain wall, belonging to the technical field of stone curtain walls. The secondary defense structure for a stone curtain wall includes a keel frame arranged on a wall body, multiple groups of first fixing members for fixing stone plates, and a protection component for secondary protection of the stone plates. The protection component includes: a fixing block arranged on the keel frame; a plug-in block plug-in arranged on the fixing block; a support rod rotatably arranged on the side wall of the plug-in block, with the other end of the support rod rotatably arranged on the stone plate. The support rod is inclined, and the height of the contact point between the support rod and the stone plate is higher than the height of the contact point with the plug-in block. The length of the support rod is telescopic. In the present application, when the first fixing defense line is damaged and causes the stone plate to become loose or even fall off, the stone plate drives the support rod to rotate on the plug-in block, and finally the falling stone plate is suspended by the support rod, thereby preventing the stone plate from continuing to fall, reducing the probability of the stone plate falling and injuring people, and improving the safety of the stone curtain wall system.

Description

Technical Field

[0001] This application relates to the technical field of stone curtain walls, and particularly to a secondary defense structure for a stone curtain wall. Background Art

[0002] In exterior wall decoration, the installation of stone curtain walls mainly adopts the dry-hanging method, which is an installation method that directly hangs the stone on the wall or hangs it on the steel frame without the need for grouting and pasting.

[0003] Currently, the installation of stone curtain walls mainly relies on keels for support and fixation. First, it is necessary to determine the installation position and spacing of the curtain wall according to the design drawings, and then install the keels as required. The installation of the keels should be firm and reliable. It is necessary to use an electric drill to pre-drill holes in the wall in advance, and then use fixing parts to fix the keels on the wall; then comes the stone processing and installation. According to the design requirements, use a cutting machine to cut the stone into the required size and shape. Then, perform operations such as grooving and drilling on the stone as needed to facilitate connection and fixation with the keels; the stone installation is an important part of the construction of the stone curtain wall. First, it is necessary to place the stones on the keels in the order and position required by the design. Then, use fixing parts to fix the stones on the keels. Common fixing methods include stainless steel hangers, aluminum alloy hangers, back-bolt type, etc. The back-bolt type stone curtain wall is fixed through stainless steel back-bolts and aluminum alloy hooks, and then the aluminum alloy hooks are fixed on the hook seats to achieve stone fixation.

[0004] However, during long-term use, the fixing strength is likely to decrease due to corrosion, aging, etc., thus causing safety problems. That is, as the service life increases, the stones may become loose or even fall and injure people. Therefore, it is urgent to design an installation structure that can effectively improve the safety of the stone curtain wall system on the original basis. Summary of the Invention

[0005] In order to improve the safety of the stone curtain wall system, this application provides a secondary defense structure for a stone curtain wall.

[0006] A secondary defense structure for a stone curtain wall provided by this application adopts the following technical solutions:

[0007] A secondary defense structure for a stone curtain wall includes a keel frame arranged on a wall. Multiple groups of first fixing parts for fixing a stone plate are arranged on the keel frame. A protection component for secondary protection of the stone plate is arranged on the keel frame. The protection component includes:

[0008] A fixing block, which is arranged on the keel frame;

[0009] A plug-in block, which is inserted into the fixing block from top to bottom;

[0010] Support rod, the support rod is rotatably arranged on the side wall of the plug-in block, one end of the support rod far away from the plug-in block is rotatably arranged on the stone plate, the support rod is obliquely arranged and the height of the contact point between the support rod and the stone plate is higher than the height of the contact point with the plug-in block, and the length of the support rod (43) is telescopic.

[0011] By adopting the above technical solution, when the first fixed defense line is damaged and causes the stone plate to loosen or even fall off, the stone plate drives the support rod to extend a certain length and rotate on the plug-in block, and the fixing block fixes the plug-in block. Finally, the falling stone plate is suspended by the support rod, thereby preventing the stone plate from continuing to fall, reducing the probability of the stone plate falling and hurting people, and improving the safety of the stone curtain wall system.

[0012] Further, a first elastic rope is arranged on the keel frame, the other end of the first elastic rope is arranged on the top of the stone plate close to the wall side, the connection point of the first elastic rope and the keel frame is equal to or higher than the connection point of the first elastic rope and the stone plate, and the first elastic rope can undergo elastic deformation.

[0013] By adopting the above technical solution, during the falling process of the stone plate, the first elastic rope undergoes elastic deformation, thereby reducing the falling speed of the stone plate. At the same time, if the stone plate falls completely, the first elastic rope drives the stone plate to rotate a certain angle, so that after the support rod suspends and fixes the stone plate, the top of the stone plate is closer to the wall, which is convenient for draining rainwater or impurities on the surface of the stone plate out of the stone curtain wall, effectively reducing the probability of rainwater or impurities falling into the gap between the stone curtain wall and the wall.

[0014] Further, a limiting block for limiting the maximum downward rotation angle of the support rod is arranged on the fixing block, and a locking member for locking the plug-in block is arranged on the fixing block.

[0015] By adopting the above technical solution, when the stone plate drives the support rod to rotate downward, the locking member prevents the plug-in block from moving, and at the same time, the limiting block supports the bottom of the support rod, thereby reducing the probability of the support rod hitting the bottom stone plate.

[0016] Further, a connecting component for rotatably connecting with the support rod is arranged on the stone plate, and the connecting component includes:

[0017] The first back bolt, the first back bolt is arranged on the stone plate;

[0018] The connecting block, the connecting block abuts against the stone plate and is locked on the first back bolt through a nut;

[0019] The rotating head, the rotating head is arranged on the connecting block and is rotatably connected with the support rod through a rotating bolt.

[0020] By adopting the above technical solution, first, the first back bolt is fixedly installed on the stone slab in advance, then the connecting block is inserted onto the first back bolt and fixed by bolts, and finally, the support rod is rotatably inserted into the rotating head and rotatably connected by a rotating bolt, so as to realize the rotational connection between the support rod and the stone slab.

[0021] Furthermore, the stone slab and the keel frame can also be connected by multiple groups of cables. The stone slab and the keel frame are connected by multiple groups of cables and / or protective components.

[0022] By adopting the above technical solution, the stone slab and the keel frame are secondarily protected by any one of multiple groups of cables, protective components, and a combination of multiple groups of cables and protective components, so as to improve the safety of the stone curtain wall system.

[0023] Furthermore, the length value of the cable is greater than the distance value between the connection point of the cable and the stone slab and the connection point of the cable and the keel frame.

[0024] By adopting the above technical solution, the cable can be tightened only when the stone slab drops to a certain extent. When the cable is tightened, the dropped stone slab is hoisted. At this time, the stone slab is separated from its original position, playing a good warning role and facilitating the staff to timely discover the drop of the stone slab and perform maintenance and replacement.

[0025] Furthermore, the cable is detachably arranged on the stone slab through a second fixing member. The second fixing member includes:

[0026] A second back bolt, which is arranged on the stone slab;

[0027] A metal gasket, which is sleeved on the second back bolt and fixed by a nut. The cable is welded on the metal gasket.

[0028] By adopting the above technical solution, the second back bolt is fixedly installed at a designated position on the stone slab in advance, then the metal gasket welded with the cable is sleeved on the second back bolt, and finally the metal gasket is fixed on the second back bolt by bolts, so as to fixedly connect the cable with the stone slab, facilitating the subsequent hoisting and fixing of the dropped stone slab by the cable.

[0029] Furthermore, when the secondary protection between the stone slab and the keel frame is only connected by multiple groups of cables, a second elastic rope is arranged on the keel frame. The second elastic rope can undergo elastic deformation. When the stone slab drops, the second elastic rope undergoes elastic deformation and reduces the dropping speed of the stone slab. The second elastic rope cooperates with the cable to hoist the dropped stone slab.

[0030] By adopting the above technical solution, when the stone slab falls, at this time, multiple groups of cables are in an untightened state. Through the elastic deformation of the second elastic rope, an upward acting force is provided to the falling stone slab, reducing the falling speed of the stone slab, and further reducing the impact force of the stone slab on the cable when the cable is tightened. Finally, the falling stone slab is hoisted and fixed by the second elastic rope and multiple groups of cables together.

[0031] Furthermore, a protection component is provided on the stone slab, and the protection component includes:

[0032] An adhesive layer, which is provided on the side of the stone slab close to the wall;

[0033] A metal protection net, which is provided on the stone slab through the adhesive layer.

[0034] By adopting the above technical solution, the metal protection net is fixed on the stone slab through the adhesive layer. The adhesive layer reduces the probability of water and other harmful substances invading the back of the stone. At the same time, the metal protection net and the adhesive layer cooperate with each other to effectively improve the structural strength of the stone, making the stone slab not easily damaged and reducing the probability of the stone slab breaking and falling when it falls.

[0035] Furthermore, a protective layer is provided on the side of the metal protection net away from the stone slab, and the protective layer is made of an anti-corrosion coating.

[0036] By adopting the above technical solution, the protective layer can effectively reduce the probability of the metal protection net being corroded during long-term use, thereby extending the service life of the metal protection net. At the same time, the protective layer can also protect the back of the stone slab from the influence of environmental factors, further enhancing the durability of the stone.

[0037] In summary, the present application includes at least one of the following beneficial technical effects:

[0038] 1. When the first fixed defense line is damaged and causes the stone slab to become loose or even fall, the stone slab drives the support rod to extend and rotate on the insertion block. Finally, the falling stone slab is hoisted by the support rod, thereby preventing the stone slab from continuing to fall. At the same time, due to the inclined setting of the support rod, the stone slab is away from its original position after it stops falling, which is convenient for the staff to discover and repair and replace in time, improving the safety of the stone curtain wall system.

[0039] 2. Through the mutual cooperation of the cable and the support rod, multiple hoisting protections are provided to the falling stone slab, thereby reducing the probability of the stone slab falling and hurting people and improving the safety of the stone curtain wall system.

[0040] 3. When the stone slab drops, the second elastic rope undergoes elastic deformation, thereby buffering the dropping speed of the stone slab. As the stone slab continues to drop, the cable is finally tightened to lift and connect the stone slab. At the same time, due to the pulling of the second elastic rope, the top of the stone slab is closer to the wall side, reducing the probability of the dropped stone slab hitting the bottom stone slab and the probability of the stone slab dropping and injuring people, thus improving the safety of the stone curtain wall system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a schematic structural diagram of the secondary defense line of the stone curtain wall in Embodiment 1 of the present application;

[0042] Figure 2 is Figure 1 the sectional view taken along line A-A in

[0043] Figure 3 is Figure 1 the sectional view taken along line B-B in

[0044] Figure 4 is Figure 3 the enlarged view of part C in

[0045] Figure 5 is a schematic structural diagram of the secondary defense line of the stone curtain wall in Embodiment 1 of the present application, in which the curtain wall and part of its keel framework are not shown;

[0046] Figure 6 is the exploded structural diagram of the protection component and the connection component in Embodiment 1 of the present application;

[0047] Figure 7 is a schematic structural diagram of the secondary defense line of the stone curtain wall in Embodiment 1 of the present application, in which the position after the bottom of the stone slab drops first is shown;

[0048] Figure 8 is a schematic structural diagram of the secondary defense line of the stone curtain wall in Embodiment 1 of the present application, in which the position after the top of the stone slab drops first is shown;

[0049] Figure 9 is a schematic structural diagram of the stone slab in Embodiment 1 of the present application, in which part of the protective layer is sectioned;

[0050] Figure 10 is a schematic structural diagram of the secondary defense line of the stone curtain wall in Embodiment 2 of the present application, in which the curtain wall and part of its keel framework are not shown;

[0051] Figure 11 is Figure 10 the sectional view taken along line D-D in

[0052] Figure 12It is a schematic diagram of the secondary defense structure of the stone curtain wall in Embodiment 3 of the present application, in which the curtain wall and part of its keel framework are not shown.

[0053] Reference numerals: 1, wall; 11, keel framework; 2, first fixing member; 21, angle steel; 22, clamping member; 3, stone slab; 4, protection assembly; 41, fixing block; 411, insertion slot; 412, rotation slot; 42, insertion block; 43, support rod; 431, main rod; 432, sliding rod; 433, limiting member; 44, limiting block; 45, locking member; 5, connection assembly; 51, first back bolt; 52, connection block; 53, rotating head; 54, rotating bolt; 6, first elastic cord; 7, protection assembly; 71, adhesive layer; 72, metal protection net; 73, protection layer; 8, cable; 81, second fixing member; 811, second back bolt; 812, metal gasket; 9, second elastic cord. Detailed implementation manners

[0054] The following will Figures 1-9 further elaborate on the present application in detail.

[0055] The embodiment of the present application discloses a secondary defense structure of a stone curtain wall.

[0056] Embodiment 1

[0057] Referring to Figure 1 , Figure 2 and Figure 3 , a secondary defense structure of a stone curtain wall includes a keel framework 11 arranged on a wall 1, and a plurality of first fixing members 2 for fixing a stone slab 3 are arranged on the keel framework 11, and a protection assembly 4 for secondary protection of the stone slab 3 is arranged on the keel framework 11.

[0058] Referring to Figure 1 and Figure 2, determine the installation position and spacing of the curtain wall on the wall 1 according to the design drawings, then use an electric drill to pre-drill holes on the wall 1 in advance, and then fixedly install the keel frame 11 on the wall 1. Before installing the stone slab 3, fixedly install multiple groups of first fixing members 2 on the keel frame 11 through bolts. The first fixing member 2 includes an angle steel 21 and a clamping member 22. The angle steel 21 is tightly abutted and installed on the keel frame 11 and fixed by multiple groups of first fixing bolts, so as to fixedly install the angle steel 21 on the keel frame 11; then the clamping member 22 is tightly abutted on the upper surface of the angle steel 21, and the clamping member 22 is fixedly installed on the angle steel 21 through multiple groups of second fixing bolts; clamping grooves that cooperate with the clamping member 22 are formed at opposite ends of the stone slab 3. During installation, the bottom of the clamping member 22 is inserted into the top clamping groove of the bottom stone slab 3 among adjacent stone slabs 3, and then the upper stone slab 3 is placed on the bottom stone slab 3 and the clamping member 22 is inserted into the bottom clamping groove of the upper stone slab 3, so as to clamp and fix the opposite ends of adjacent stone slabs 3. Through the cooperation of multiple groups of first fixing members 2, multiple groups of stone slabs 3 are fixed to form the first fixing defense line of the stone curtain wall.

[0059] Refer to Figure 3 , since the first fixing defense line is in a stressed state for a long time during the use of the stone curtain wall, with the increase of the service life, the first fixing member 2 is likely to have a decrease in its fixing strength due to corrosion, aging and other reasons, and then cause the stone to loosen or even fall and injure people; in order to reduce the occurrence of such situations, when constructing the first fixing defense line for the stone slab 3, a protection component 4 for secondary protection of the stone slab 3 is arranged on the keel frame 11, so as to reduce the probability of the stone slab 3 falling and injuring people.

[0060] Refer to Figure 4 、 Figure 5 and Figure 6, Specifically, the protection component 4 includes a fixing block 41, a plugging block 42, and a support rod 43. The fixing block 41 is fixedly installed on the keel frame 11 by bolts; the plugging block 42 is plugged and installed on the fixing block 41 from top to bottom, and a plugging groove 411 facilitating the plugging of the plugging block 42 is provided on the fixing block 41; the support rod 43 is rotatably installed on the side wall of the plugging block 42, and one end of the support rod 43 away from the plugging block 42 is rotatably arranged on the stone slab 3. A rotating groove 412 facilitating the rotation of the support rod 43 is provided on the fixing block 41; the length of the support rod 43 is telescopic. The support rod 43 includes a main rod 431, a sliding rod 432, and a limiting member 433. The sliding rod 432 is slidably arranged in the main rod 431, and the limiting member 433 is fixedly installed on the sliding rod 432 and slides in the main rod 431. The limiting member 433 is used to limit the maximum sliding distance of the sliding rod 432, thereby restricting the maximum telescopic amount of the support rod 43; one end of the main rod 431 away from the sliding rod 432 is rotatably installed on the plugging block 42, and one end of the sliding rod 432 away from the main rod 431 is rotatably arranged on the stone slab 3.

[0061] Referring to Figure 5 and Figure 6 , after the stone slab 3 is fixedly installed, the support rod 43 is inclined and in a shortened state. The height of the contact point between the support rod 43 and the stone slab 3 is higher than the height of the contact point between the support rod 43 and the plugging block 42. Finally, when the stone slab 3 becomes loose and falls, the support rod 43 extends and rotates to move the stone slab 3 away from its original position. Then, under the action of the support rod 43, the falling of the stone slab 3 is prevented from hurting people. At the same time, by moving the stone slab 3 away from its original position, a good warning is achieved, facilitating the staff to promptly discover the looseness of the stone slab 3 and replace it in a timely manner.

[0062] Referring to Figure 5 and Figure 6 , a connecting component 5 for rotatably connecting with the support rod 43 is provided on the stone slab 3. The connecting component 5 includes a first back bolt 51, a connecting block 52, and a rotating head 53. The first back bolt 51 is fixedly installed on the stone slab 3; the connecting block 52 abuts against the stone slab 3 and is locked on the first back bolt 51 through a nut; the rotating head 53 is fixedly installed at one end of the connecting block 52 away from the stone slab 3, and the rotating head 53 is rotatably connected to the support rod 43 through a rotating bolt 54. The axis of the rotating shaft of the support rod 43 and the plugging block 42 is parallel to the axis of the rotating bolt 54.

[0063] Referring to Figure 3 , Figure 5 and Figure 6 , a first elastic rope 6 is also fixedly installed on the keel frame 11. The other end of the first elastic rope 6 is fixedly installed on the top of the stone slab 3 near the wall 1 through a back bolt. The connection point of the first elastic rope 6 and the keel frame 11 is equal to or higher than the connection point of the first elastic rope 6 and the stone slab 3. The first elastic rope 6 can undergo elastic deformation.

[0064] Referring to Figures 3-8 , specifically, since the loosening of the stone slab 3 includes the top loosening and falling first or the bottom loosening and falling first. When the stone slab 3 loosens and falls from the top first, the stone slab 3 drives the support rod 43 to extend and rotate, and finally drives the first elastic rope 6 to undergo elastic deformation, thereby reducing the falling speed of the stone slab 3. At the same time, the inclined stone slab 3 plays a good warning role, facilitating the staff to carry out timely maintenance and replacement; when the stone slab 3 loosens and falls from the bottom first, the stone slab 3 drives the support rod 43 to rotate and extend, and finally drives the first elastic rope 6 to undergo elastic deformation, thereby reducing the falling speed of the stone slab 3. At the same time, through the pulling of the first elastic rope 6, the stone slab 3 is driven to rotate by a certain angle, and finally the top end of the stone slab 3 is closer to the wall 1, facilitating the drainage of rainwater or impurities on the surface of the stone slab 3 outside the stone curtain wall. Before the worker discovers the loosening of the stone slab 3 and replaces it, the probability of rainwater or impurities falling into the gap between the stone curtain wall and the wall 1 is effectively reduced; at the same time, the probability of the bottom of the falling stone slab 3 hitting the lower stone slab 3 is also reduced.

[0065] Referring to Figure 5 and Figure 6 , in order to reduce the probability of the stone slab 3 driving the support rod 43 to rotate and hit the lower stone slab 3, a limiting block 44 for limiting the maximum downward rotation angle of the support rod 43 is fixedly installed on the fixing block 41, and the limiting block 44 is used to cover part of the rotation groove 412; at the same time, a locking member 45 for locking the plug-in block 42 is fixedly installed on the top of the fixing block 41; specifically, when the stone slab 3 falls, the stone slab 3 drives the support rod 43 to rotate on the plug-in block 42, and at the same time the first elastic rope 6 buffers the falling speed of the stone slab 3. Finally, the support rod 43 contacts the limiting block 44 and the limiting block 44 prevents the support rod 43 from continuing to rotate, and the locking block prevents the plug-in block 42 from sliding on the fixing block 41, and finally the position of the stone slab 3 is fixed; a buffer pad is provided at one end of the limiting block 44 of the present embodiment close to the support rod 43.

[0066] Referring to Figure 7 , in order to improve the strength of the stone slab 3, a protection component 7 is further provided on the stone slab 3. The protection component 7 includes an adhesive layer 71 and a metal protection net 72. The adhesive layer 71 is fixedly installed on the side of the stone slab 3 close to the wall 1; the metal protection net 72 is fixedly installed on the stone slab 3 through the adhesive layer 71. The structural strength of the stone is significantly improved through the metal protection net 72, so that the stone slab 3 is not easily damaged during processing, warehousing, plate laying, transportation and construction pasting operations. At the same time, the probability of slag falling when the stone slab 3 falls is also effectively reduced; the adhesive layer 71 of the present embodiment is made of epoxy resin, and the adhesive layer 71 can also reduce the probability of water and other harmful substances invading the back of the stone slab 3. The metal protection net 72 is made of a stainless steel wire mesh.

[0067] Refer to Figure 7 Figure 7 , in order to ensure the stability of the metal protection net 72, a protective layer 73 is provided on the side of the metal protection net 72 away from the stone slab 3. The protective layer 73 is made of anti-corrosion paint. The back of the stone slab 3 is effectively protected by the protective layer 73, reducing the probability of the influence of environmental factors on the stone slab 3, and finally improving the durability of the stone slab 3.

[0068] The working principle of Embodiment 1 of this application is as follows:

[0069] When the first fixed defense line is damaged and causes the stone slab 3 to loosen or even fall, the stone slab 3 drives the support rod 43 to extend and rotate on the insertion block 42. Finally, the falling stone slab 3 is hoisted by the support rod 43, thereby preventing the stone slab 3 from continuing to fall. At the same time, since the support rod 43 is inclined and telescopic, the stone slab 3 moves away from its original position after it stops falling, which is convenient for the staff to discover and repair or replace it in time, improving the safety of the stone curtain wall system.

[0070] Embodiment 2

[0071] Refer to Figure 8 Figure 8 , the difference between this embodiment and Embodiment 1 is that the stone slab 3 is also connected to the keel frame 11 by multiple groups of cables 8. The stone slab 3 and the keel frame 11 are jointly connected by multiple groups of cables 8 and the protection assembly 4. Among them, the cable 8 is detachably installed on the stone slab 3 through the second fixing member 81. The second fixing member 81 includes a second back bolt 811 and a metal gasket 812. The second back bolt 811 is fixedly installed on the side of the stone slab 3 close to the wall 1; the metal gasket 812 is sleeved on the second back bolt 811, and then the metal gasket 812 is fixedly installed on the second back bolt 811 through a nut. One end of the cable 8 is welded and fixed to the metal gasket 812. At the same time, anti-corrosion treatment is carried out at the connection point between the cable 8 and the metal gasket 812 to improve the connection strength between the cable 8 and the stone slab 3; the cable 8 of this embodiment uses a stainless steel cable 8.

[0072] Refer to Figure 8 and Figure 9 Figure 9 , the height of the connection point between the cable 8 and the keel frame 11 is higher than the connection point between the cable 8 and the stone slab 3, which is convenient for the cable 8 to hoist the falling stone slab 3; the length value of the cable 8 is greater than the distance value between the connection point of the cable 8 and the stone slab 3 and the connection point of the cable 8 and the keel frame 11. When the stone slab 3 falls and the cable 8 is tightened, the position of the stone slab 3 has deviated from its original position, which is convenient for the staff to discover the falling of the stone slab 3 in time and carry out timely repair and replacement.

[0073] Refer to Figure 8 and Figure 9, the length value of the cable 8 can be determined according to the installation requirements. Specifically:

[0074] a. The length of the cable 8 is short. After the cable 8 is tightened, the support rod 43 has not yet rotated to the maximum angle value or reached the maximum elongation state. At this time, the lifting force for the stone slab 3 is mainly provided by the cable 8, and the support rod 43 only assists in controlling the falling trajectory of the stone slab 3, reducing the probability of the stone slab 3 hitting the bottom stone slab 3 when it falls. At the same time, when the cable 8 is damaged, the stone slab 3 moves a certain distance again, and the support rod 43 is used to lift and fix the stone slab 3;

[0075] b. The length of the cable 8 is medium. After the cable 8 is tightened, the support rod 43 has just rotated to the maximum angle value and is in the maximum elongation state. At this time, the lifting force for the stone slab 3 is provided jointly by the cable 8 and the support rod 43, reducing the probability of damage to the cable 8 or the support rod 43;

[0076] c. The length of the cable 8 is long. When the support rod 43 rotates to the maximum angle value and is in the maximum elongation state, the cable 8 is still not tightened. At this time, the lifting force for the stone slab 3 is mainly provided by the support rod 43. At the same time, when the support rod 43 is damaged, the stone slab 3 moves a certain distance again, and the cable 8 is used to lift and fix the stone slab 3.

[0077] The working principle of Embodiment 2 of this application is:

[0078] Through the mutual cooperation of the cable 8 and the support rod 43, multiple lifting protections are provided for the falling stone slab 3, thereby reducing the probability of the stone slab 3 falling and injuring people and improving the safety of the stone curtain wall system.

[0079] Embodiment 3

[0080] Refer to Figure 10 , the difference between this embodiment and Embodiment 2 is that the secondary protection between the stone slab 3 and the keel frame 11 is only connected by multiple groups of cables 8. A second elastic rope 9 is also provided on the keel frame 11. The second elastic rope 9 can undergo elastic deformation. The height of the connection point between the second elastic rope 9 and the stone slab 3 is higher than the height of the connection point between the cable 8 and the stone slab 3; the length value of the cable 8 can be determined according to the installation requirements, and the length values of multiple groups of cables 8 on the same stone slab 3 are the same; in this embodiment, two groups of cables 8 are provided on the same stone slab 3, and the heights of the connection points of the two groups of cables 8 with the stone slab 3 are flush with each other.

[0081] Refer to Figure 10, when the stone slab 3 is not loose, the second elastic rope 9 is in a taut but undeformed state. When the stone slab 3 becomes loose and falls, the second elastic rope 9 undergoes elastic deformation under the gravitational force of the stone slab 3, thereby providing a tensile force to the stone slab 3, ultimately reducing the falling speed of the stone slab 3 and facilitating the impact force of the stone slab 3 on the cable 8 when the cable 8 is tightened subsequently; at the same time, since the height of the connection point between the second elastic rope 9 and the stone slab 3 is higher than the height of the connection point between the cable 8 and the stone slab 3, the top of the stone slab 3 is closer to the wall 1 side, reducing the probability of the falling stone slab 3 hitting the bottom stone slab 3; it also makes it easier for the staff to see the risk of the stone slab 3 falling and repair and replace the stone slab 3, reducing the probability of the stone slab 3 falling and injuring people and improving the safety of the stone curtain wall system.

[0082] The working principle of Embodiment 3 of this application is as follows:

[0083] When the stone slab 3 falls, it causes the second elastic rope 9 to undergo elastic deformation, thereby buffering the falling speed of the stone slab 3. As the stone slab 3 continues to fall, ultimately the cable 8 is tightened to hoist the stone slab 3. At the same time, due to the pulling of the second elastic rope 9, the top of the stone slab 3 is closer to the wall 1 side, reducing the probability of the falling stone slab 3 hitting the bottom stone slab 3, reducing the probability of the stone slab 3 falling and injuring people, and improving the safety of the stone curtain wall system.

[0084] The above are all the preferred embodiments of this application. Without restricting the protection scope of this application accordingly, therefore: Any equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A secondary defense structure for a stone curtain wall, comprising a keel frame (11) arranged on a wall body (1), and a plurality of groups of first fixing members (2) for fixing a stone slab (3) are arranged on the keel frame (11), characterized in that: A protection component (4) for secondary protection of the stone slab (3) is provided on the keel frame (11), and the protection component (4) includes: A fixed block (41), and the fixed block (41) is provided on the keel frame (11); A plug-in block (42), and the plug-in block (42) is inserted into the fixed block (41) from top to bottom; A support rod (43), the support rod (43) is rotatably arranged on the side wall of the plug-in block (42), one end of the support rod (43) away from the plug-in block (42) is rotatably arranged on the stone slab (3), the support rod (43) is inclined, and the height of the contact point of the support rod (43) with the stone slab (3) is higher than the height of the contact point with the plug-in block (42), and the length of the support rod (43) is telescopic; A first elastic cord (6) is provided on the keel frame (11), and the other end of the first elastic cord (6) is provided on the top of the stone slab (3) on the side close to the wall (1). The connection point of the first elastic cord (6) with the keel frame (11) is equal to or higher than the connection point of the first elastic cord (6) with the stone slab (3), and the first elastic cord (6) can undergo elastic deformation; The stone slab (3) and the keel frame (11) can also be connected by multiple groups of cables (8), and the stone slab (3) and the keel frame (11) are connected by multiple groups of cables (8) and / or the protection component (4); When the secondary protection between the stone slab (3) and the keel frame (11) is only connected by multiple groups of cables (8), a second elastic cord (9) is provided on the keel frame (11). The second elastic cord (9) can undergo elastic deformation. When the stone slab (3) falls, the second elastic cord (9) undergoes elastic deformation and reduces the falling speed of the stone slab (3). The second elastic cord (9) cooperates with the cable (8) to hoist the falling stone slab (3).

2. The secondary defense structure of a stone curtain wall according to claim 1, characterized in that: A limit block (44) for limiting the maximum downward rotation angle of the support rod (43) is provided on the fixed block (41), and a locking member (45) for locking the plug-in block (42) is provided on the fixed block (41).

3. The secondary defense structure of a stone curtain wall according to claim 2, characterized in that: A connection component (5) for rotatably connecting with the support rod (43) is provided on the stone slab (3), and the connection component (5) includes: A first back bolt (51), and the first back bolt (51) is provided on the stone slab (3); A connection block (52), and the connection block (52) abuts against the stone slab (3) and is locked on the first back bolt (51) by a nut; A rotating head (53), and the rotating head (53) is provided on the connection block (52) and is rotatably connected with the support rod (43) by a rotating bolt (54).

4. A secondary defense structure for a stone curtain wall according to claim 1, characterized in that: The length value of the cable (8) is greater than the distance value between the connection point of the cable (8) and the stone slab (3) and the connection point of the cable (8) and the keel frame (11).

5. A secondary defense structure for a stone curtain wall according to claim 4, characterized in that: The cable (8) is detachably arranged on the stone slab (3) through a second fixing member (81), and the second fixing member (81) includes: A second back bolt (811), and the second back bolt (811) is provided on the stone slab (3); A metal gasket (812), the metal gasket (812) is sleeved on the second back bolt (811) and fixed by a nut, and the cable (8) is welded on the metal gasket (812).

6. A secondary defense structure for a stone curtain wall according to claim 1, characterized in that: A protection component (7) is provided on the stone slab (3), and the protection component (7) includes: An adhesive layer (71), the adhesive layer (71) is provided on one side of the stone slab (3) close to the wall body (1); A metal protection net (72), the metal protection net (72) is provided on the stone slab (3) through the adhesive layer (71).

7. The secondary defense structure of a stone curtain wall according to claim 6, characterized in that: A protective layer (73) is provided on one side of the metal protection net (72) away from the stone slab (3), and the protective layer (73) is made of an anti-corrosion coating.

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