Embedded anchoring type rock wool board fixing device and construction method

Abstract

The invention provides a pre-embedded anchoring type rock wool board fixing device and a construction method, the pre-embedded anchoring type rock wool board fixing device comprises an anchor bolt main body, and first screw threads are arranged at the two ends of the anchor bolt main body; the sleeve is in threaded connection with the first screw thread at one end of the anchor bolt main body; the butterfly buckle is used for replacing the split bolt to lock the template during outer wall pouring; one end of the pricking head is provided with a pointed end used for piercing the rock wool board, and the other end of the pricking head is provided with a second screw thread matched with the sleeve in a threaded mode and used for screwing the second screw thread into the sleeve and piercing the rock wool board to form a positioning hole when the rock wool board is installed; and the fixing disc comprises a rod part and a disc part which are fixedly connected and is used for fixing the rock wool board on the outer wall after the thorn heads are taken down. In different working procedures, the sleeve is in threaded connection with the butterfly buckle, the plug, the thorn head and the fixing disc, the key effect is achieved, the outer wall pouring working procedure and the rock wool board mounting working procedure can be connected in order, the positive effect is achieved on improvement of the construction efficiency, the rock wool board fixing effect can be remarkably improved, and falling is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of building rock wool board fixing devices, and in particular to a pre-buried anchored rock wool board fixing device and a construction method. Background Art

[0002] Driven by green development, building energy-saving technologies are constantly improving, and exterior wall insulation materials are constantly being innovated. With rising standards for building energy conservation and fire protection, exterior wall insulation systems have become a key means of reducing building energy consumption. Rock wool board, with its Class A fire resistance, environmental friendliness, and strong stability, has become a popular alternative to traditional polystyrene boards. Rock wool insulation board is primarily made from basalt and natural minerals. After heating and melting, it is centrifuged using a four-roller spinning process to spin the high-temperature basalt melt into discontinuous fibers measuring 4-7μm. Binders, dust-proof oils, and hydrophobic agents are then added. After sedimentation, curing, and cutting, a series of products with varying densities are produced for different applications. Rock wool board not only features low thermal conductivity, excellent air permeability, and high combustion performance, but is also non-toxic, harmless, non-polluting, and non-radioactive, making it a green, environmentally friendly, and energy-saving building material. Therefore, rock wool board is currently the preferred material for exterior wall insulation.

[0003] However, the rock wool board thin plaster system has high construction requirements. The rock wool boards are mainly fixed with anchor bolts and glue. However, the falling of rock wool boards on exterior walls is relatively common. Through investigation, it is found that it is not just due to improper construction quality control. The rock wool insulation thin plaster system is a complex system. The falling of rock wool board thin plaster external insulation may be affected by many factors such as the materials used, construction technology, design defects, and environmental factors. Now, a new connection method is designed to strengthen the connection between rock wool board and wall. Summary of the Invention

[0004] In order to improve the problem that the exterior wall rock wool board is easy to fall off in the traditional construction method, the present application provides a pre-embedded anchoring rock wool board fixing device and a construction method.

[0005] In the first aspect, the present application provides a pre-buried anchored rock wool board fixing device, which adopts the following technical solution: A pre-buried anchored rock wool board fixing device, comprising: An anchor bolt body, both ends of which are provided with a first thread, and when the anchor bolt body passes through the exterior wall casting formwork, the first thread at at least one end thereof protrudes outside the formwork; A sleeve, threadedly connected to a first thread at one end of the anchor body; Two butterfly buckles are provided, one of which is threadedly connected to the first thread of the anchor bolt body protruding from the outside of the formwork, and the other is threaded with an extended screw, which is threadedly connected to the sleeve and is used to replace the tension bolts to lock the formwork when pouring the exterior wall; A piercing head, one end of which is provided with a sharp tip for piercing the rock wool board, and the other end of which is provided with a second thread adapted to the sleeve thread, for screwing the second thread into the sleeve and piercing the rock wool board to form a positioning hole when installing the rock wool board; and The fixing plate includes a rod portion and a plate portion fixedly connected to each other. The head end of the rod portion is provided with a third thread adapted to the sleeve thread. The rod portion is plugged and adapted to the positioning hole and is used to fix the rock wool board on the exterior wall after the thorn head is removed.

[0006] Furthermore, a plurality of T-shaped bends are fixed on the anchor bolt body, which are welded and fixed after the anchor bolt body is inserted into the template, and are used to bind and fix with the steel mesh in the template to limit the internal spacing of the steel mesh.

[0007] Furthermore, a water stop ring is sleeved on the middle part of the anchor bolt body.

[0008] Furthermore, a plug is screwed onto the end of the sleeve to temporarily block the sleeve opening when leveling the exterior wall.

[0009] Furthermore, the side wall of the tip of the thorn head is provided with a cutout for conveniently removing the thorn head after puncturing the positioning hole in the rock wool board.

[0010] Furthermore, a telescopic structure is provided between the tip of the thorn head and the second thread for adapting to rock wool boards of different thicknesses.

[0011] Furthermore, the telescopic structure includes a thread-matched inner barrel and an adjusting screw, both of which are fixed to the tip and the second thread respectively; and when the adjusting screw is tightened with the inner barrel and continues to rotate in the tightening direction, the second buckle is in the loosening direction in the sleeve.

[0012] Furthermore, the anchor bolt body is made of scrap steel bars.

[0013] In a second aspect, the present application provides a method for fixing a pre-buried anchored rock wool board, based on the above-mentioned pre-buried anchored rock wool board fixing device, comprising the following steps: S1. Before the construction of the exterior wall reinforcement project, the length of the anchor bolt body and the position of the first thread are designed in advance according to the thickness of the exterior wall and the spacing of the reinforcement. The first thread needs to pass through the template for a sufficient length to install the butterfly buckle; S2. After the wall reinforcement is installed, the anchor body is inserted into the template and installed in the steel mesh. T-shaped bends are welded on the anchor body and the T-shaped bends are tied to the steel mesh to ensure internal spacing of the steel mesh. S3. Attach butterfly buckles to both ends of the anchor bolts to replace the tension bolts to secure the formwork and steel mesh; pour concrete. S4. After the concrete is poured, the butterfly buckle is removed and the anchor body and the first thread near the interior are cut off, retaining the outdoor anchor structure and temporarily sealing the sleeve opening; S5. Level the wall and remove the temporary blockage of the sleeve; then adjust the length of the thorn head and install the thorn head on the sleeve, place the rock wool board close to the outer wall at a preset joint position, and pierce the positioning hole in the rock wool board with the thorn head; S6. Remove the spikes for recycling, insert the fixing plate through the positioning hole and screw it to the sleeve to secure the rock wool board; S7. Carry out finishing layer construction and surface layer construction.

[0014] Furthermore, after step S6 is completed, the fixing plates are connected together using wires to increase the integrity.

[0015] In summary, this application includes at least one of the following beneficial technical effects: 1. This application uses scrap steel bars to make the anchor bolt body, and sets a first thread at both ends for use with a butterfly buckle. After the anchor bolt body passes through the exterior wall casting formwork, it can act as a tension screw, solving the problem of difficult installation of exterior wall tension screws in the prior art and improving construction efficiency. 2. This application adopts the technical means of adding a water stop ring to the anchor bolt body and pre-embedding it, which solves the technical problem of easy leakage in the holes of the tension bolts in the exterior wall, simplifies the problem of sealing the tension bolt holes in the exterior wall and basement in the later stage, and can significantly improve the waterproof effect of the exterior wall; 3. After the anchor bolt body of the present application is equipped with a T-shaped bend, it can serve as a steel bar locator when supporting the wall steel mesh. This not only solves the technical problem of easy displacement of traditional wall pads, but also achieves a better anchoring effect. 4. The spike head provided in this application can not only locate the position of the sleeve, but also open a positioning hole on the rock wool board in advance for the installation of the fixed plate, which facilitates the installation of the fixed plate. At the same time, the spike head can be reused to save costs. 5. The sleeve provided in this application is screwed with the butterfly buckle, plug, spike and fixing plate in different processes, and plays a key role in orderly connecting the exterior wall casting and rock wool board installation processes, which has a positive effect on improving construction efficiency and can significantly improve the fixing effect of the rock wool board to prevent it from falling off; 6. Compared with the traditional anchor bolts with an anchoring depth of about 25 mm, the fixing device of the present application has a much deeper depth and is equipped with a T-shaped bend. Compared with the traditional method, the connection strength of this device is higher. This device can be used alone or in conjunction with traditional anchor bolts to enhance the overall fixing effect of the external insulation board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 This is a schematic structural diagram of the sleeve and butterfly buckle assembled in an embodiment of the present application; Figure 3 This is a schematic structural diagram of the sleeve and plug when assembled in an embodiment of the present application; Figure 4 This is a schematic structural diagram of the sleeve and the thorn head when assembled in an embodiment of the present application; Figure 5 It is a schematic structural diagram of the sleeve and the fixed disk when assembled in an embodiment of the present application.

[0018] Reference numerals: 1. Wall reinforcement; 2. Steel mesh; 3. Anchor bolt body; 31. T-shaped bend; 32. First thread; 4. Sleeve; 5. Fixed plate; 6. Spike; 61. Tip; 611. Incision; 62. Second thread; 7. Butterfly buckle; 71. Extension screw; 8. Rock wool board; 9. Plug. DETAILED DESCRIPTION

[0019] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0020] Reference Figure 1-Figure 5The present application discloses a pre-buried anchored rock wool board fixing device, which includes: The anchor bolt body 3 is made of scrap steel bars, and is provided with a first thread 32 at both ends. When the anchor bolt body 3 passes through the exterior wall casting formwork, at least one end of the first thread 32 protrudes outside the formwork. In addition, in one embodiment, a plurality of T-shaped bends 31 can be fixed on the anchor bolt body 3. After the anchor bolt body 3 is inserted into the formwork, it is welded and fixed, and is used to bind and fix with the steel mesh 2 in the formwork to limit the internal spacing of the steel mesh 2. Figure 1 In other embodiments, a water stop ring is also provided in the middle of the anchor body 3, as shown in FIG. Figure 2 shown.

[0021] The sleeve 4 is threadedly connected to the first thread 32 at one end of the anchor body 3, and when the anchor body 3 is inserted into the template, the inner end of the sleeve 4 is embedded in the template.

[0022] There are two butterfly buckles 7, one of which is threadedly connected to the first thread 32 of the anchor body 3 protruding from the outside of the template, and the other butterfly buckle 7 is threaded with an extended screw 71, which is threadedly connected to the sleeve 4. The two butterfly buckles 7 are used to replace the tension bolts to lock the template when pouring the exterior wall. Figure 2 shown.

[0023] The thorn head 6 has a tip 61 at one end for piercing the rock wool board 8 and a second thread 62 at the other end that is threadedly adapted to the sleeve 4. The thorn head 6 is used to screw the second thread 62 into the sleeve 4 and pierce the rock wool board 8 to form a positioning hole when installing the rock wool board 8. Figure 4 shown.

[0024] The fixing plate 5 includes a rod portion and a plate portion fixedly connected to each other. The head end of the rod portion is provided with a third thread adapted to the thread of the sleeve 4. The rod portion is plugged into the positioning hole. The fixing plate 5 is used to fix the rock wool board 8 on the outer wall after the thorn head 6 is removed.

[0025] In addition, a plug is screwed onto the end of the sleeve 4 to temporarily block the opening of the sleeve 4 when leveling the exterior wall. Figure 3 shown.

[0026] It is particularly important to clarify that, except for the sleeve 4 which is always screwed to one end of the anchor body 3, the other components are not connected at the same time, but are selectively connected in different construction processes to facilitate the complete construction process at different stages.

[0027] Specifically, when pouring concrete, two butterfly buckles 7 are screwed to the two ends of the bolt body, which can replace the tension bolts to lock the template. Figure 2As shown; and, by setting the T-shaped bend 31 structure, the steel bar spacing can be positioned to prevent the protective layer from being insufficiently thick; moreover, the installation of the water stop ring eliminates the process of filling the holes in the tension screws in the prior art, and also solves the problem of water leakage in the exterior wall in the later stage.

[0028] When the concrete pouring is completed, the two butterfly buckles 7 need to be removed first, and then the plug is screwed to the end of the sleeve 4 to temporarily block the opening of the sleeve 4 during the external wall leveling process to avoid the sleeve 4 being blocked and unable to be used. Figure 3 shown.

[0029] When the rock wool board 8 needs to be installed, the plug is first removed and the thorn head 6 is screwed onto the sleeve 4. Figure 4 As shown, through the puncture effect of the tip 61 on the piercing head 6 on the rock wool board 8, positioning holes can be accurately punctured on the rock wool board 8, which is convenient for splicing and fixing the rock wool board 8. There is no need to punch the rock wool board 8 in advance or to align the holes of the tension screws during splicing as in the prior art. This greatly simplifies the installation process of the rock wool board 8 and can significantly improve construction efficiency.

[0030] Next, after the positioning holes on the rock wool board 8 are formed, the spikes 6 are removed first, and the rod of the fixing plate 5 is passed through the positioning holes and screwed to the sleeve 4. At this time, the rock wool board 8 can be fixed with the help of the sleeve 4, which solves the technical problem that the thermal insulation rock wool board 8 is easy to crack and fall off in the conventional process, and can make the rock wool board 8 more firmly fixed. Figure 5 shown.

[0031] It can be seen that in different processes, the sleeve 4 is respectively screwed with the butterfly buckle 7, the plug, the spike 6 and the fixed plate 5, which can connect the exterior wall casting and the rock wool board 8 installation process in an orderly manner, has a positive effect on improving construction efficiency, and can significantly improve the fixing effect of the rock wool board 8 to prevent it from falling off. In addition, the anchor bolt body 3 made of scrap steel bars is a waste recycling, which can not only play the role of a tension screw, but also act as a steel bar locator after adding a T-shaped bend 31. After adding a water stop ring, it can also solve the technical problem of easy leakage of the tension bolt holes in the exterior wall, and simplify the problem of sealing the tension bolt holes in the exterior wall basement in the later stage. Moreover, in the above structure, the butterfly buckle 7, the plug and the spike 6 can all be reused, which fully reflects the green and environmentally friendly construction.

[0032] Further, in order to improve the convenience and practicality of the thorn head 6 when in use, refer to Figure 4On the one hand, the sidewall of the tip 61 of the spike 6 is provided with a notch 611 for convenient removal of the spike 6 after puncturing a positioning hole in the rock wool board 8. On the other hand, a telescopic structure is provided between the tip 61 and the second thread 62 of the spike 6 to accommodate rock wool boards 8 of varying thicknesses. Specifically, the telescopic structure includes a threaded inner barrel and an adjusting screw (not shown), which are respectively fixed to the tip 61 and the second thread 62. When the adjusting screw is tightened with the inner barrel and continues to rotate in the tightening direction, the second abutment in the sleeve 4 is in the loosening direction.

[0033] The present application also discloses a method for fixing a pre-buried anchored rock wool board 8. Based on the above-mentioned pre-buried anchored rock wool board 8 fixing device, the following technical solution is adopted: A method for fixing and installing a pre-buried anchored rock wool board 8, referring to Figure 2-Figure 5 , including the following steps: S1 before the exterior wall reinforcement construction project according to the thickness of the outer wall and the spacing of the reinforcement in advance designed anchor bolt body 3 length and the first thread 32 position, the first thread 32 needs to pass through the template sufficient length to install the butterfly buckle 7; S2. After the wall reinforcement 1 is installed, the anchor body 3 is inserted into the template and installed in the steel mesh 2. The anchor body 3 is welded with a T-shaped bend 31 and the T-shaped bend 31 is tied to the steel mesh 2 to ensure the internal spacing of the steel mesh 2; S3. The butterfly buckle 7 is screwed at both ends of the anchor body 3 to replace the tension bolts to fix the formwork and fix the steel mesh 2; pouring concrete; S4. After the concrete is poured, the butterfly buckle 7 is removed and the anchor body 3 and the first thread 32 near the interior are removed, retaining the outdoor anchor structure, and the sleeve 4 opening is temporarily sealed; S5. Level the wall, then remove the temporary blockage of the sleeve 4; then adjust the length of the thorn head 6 and install the thorn head 6 on the sleeve 4, the rock wool board 8 to a preset splicing position close to the outer wall, so that the thorn head 6 punctures the positioning hole on the rock wool board 8; S6. Remove the spike 6 for recycling, pass the fixing plate 5 through the positioning hole and screw it to the sleeve 4 to fix the rock wool board 8; you can also use wire to connect the various fixing plates 5 to increase the integrity.

[0034] S7. Carry out finishing layer construction and surface layer construction.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A pre-buried anchored rock wool board fixing device, characterized in that: include: An anchor bolt body, both ends of which are provided with a first thread, and when the anchor bolt body passes through the exterior wall casting formwork, the first thread at at least one end thereof protrudes outside the formwork; A sleeve, threadedly connected to a first thread at one end of the anchor body; Two butterfly buckles are provided, one of which is threadedly connected to the first thread of the anchor bolt body protruding from the outside of the formwork, and the other is threaded with an extended screw, which is threadedly connected to the sleeve and is used to replace the tension bolts to lock the formwork when pouring the exterior wall; A piercing head, one end of which is provided with a sharp tip for piercing the rock wool board, and the other end of which is provided with a second thread adapted to the sleeve thread, for screwing the second thread into the sleeve and piercing the rock wool board to form a positioning hole when installing the rock wool board; as well as The fixing plate includes a rod portion and a plate portion fixedly connected to each other. The head end of the rod portion is provided with a third thread adapted to the sleeve thread. The rod portion is plugged and adapted to the positioning hole and is used to fix the rock wool board on the exterior wall after the thorn head is removed.

2. The pre-buried anchor type rock wool board fixing device according to claim 1, characterized in that: A plurality of T-shaped bends are also fixed on the anchor bolt body, which are welded and fixed after the anchor bolt body is inserted into the template, and are used to be tied and fixed with the steel mesh in the template to limit the internal spacing of the steel mesh.

3. The pre-buried anchor type rock wool board fixing device according to claim 1, characterized in that: A water stop ring is also sleeved on the middle part of the anchor bolt body.

4. The pre-buried anchored rock wool board fixing device according to claim 1, characterized in that: The end of the sleeve is also threaded with a plug, which is used to temporarily block the sleeve opening when the exterior wall is leveled.

5. The pre-buried anchored rock wool board fixing device according to claim 1, characterized in that: The side wall of the tip of the thorn head is provided with a cutout for conveniently removing the thorn head after puncturing the positioning hole in the rock wool board.

6. The pre-buried anchored rock wool board fixing device according to claim 1, characterized in that: A telescopic structure is provided between the tip of the thorn head and the second thread, for adapting to rock wool boards of different thicknesses.

7. The pre-buried anchored rock wool board fixing device according to claim 6, characterized in that: The telescopic structure includes an inner screw barrel and an adjusting screw with threaded adaption, which are respectively fixed to the tip and the second thread; and when the adjusting screw is tightened with the inner screw barrel and continues to rotate in the tightening direction, the second buckle is in the loosening direction in the sleeve.

8. The pre-buried anchored rock wool board fixing device according to claim 1, characterized in that: The anchor bolt body is made of scrap steel bars.

9. A method for fixing a pre-buried anchored rock wool board, based on a pre-buried anchored rock wool board fixing device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Before the construction of the exterior wall reinforcement project, the length of the anchor bolt body and the position of the first thread are designed in advance according to the thickness of the exterior wall and the spacing of the reinforcement. The first thread needs to pass through the template for a sufficient length to install the butterfly buckle; S2. After the wall reinforcement is installed, the anchor body is inserted into the template and installed in the steel mesh. T-shaped bends are welded on the anchor body and the T-shaped bends are tied to the steel mesh to ensure internal spacing of the steel mesh. S3. Attach butterfly buckles to both ends of the anchor bolts to replace the tension bolts to secure the formwork and steel mesh; pour concrete. S4. After the concrete is poured, the butterfly buckle is removed and the anchor bolt body and the first thread near the interior are cut off, retaining the outdoor anchor bolt structure and temporarily sealing the sleeve opening; S5. Level the wall and remove the temporary blockage of the sleeve; then adjust the length of the thorn head and install the thorn head on the sleeve, place the rock wool board close to the outer wall at a preset joint position, and pierce the positioning hole in the rock wool board with the thorn head; S6. Remove the spikes for recycling, insert the fixing plate through the positioning hole and screw it to the sleeve to secure the rock wool board; S7. Carry out finishing layer construction and surface layer construction.

10. The method for fixing and installing the pre-buried anchored rock wool board according to claim 9, characterized in that: After step S6 is completed, the fixing plates are connected together using wires to increase their integrity.

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