Wooden member repairing and reinforcing device and method
By installing crack-resistant prefabricated components and rigid reinforcing strips at the cracks in wooden components, and using rigid connectors and epoxy resin filling, the problems of crack expansion and insufficient load-bearing capacity in the repair of wooden beams in ancient buildings were solved, achieving concealed reinforcement and performance improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
- Filing Date
- 2024-03-06
- Publication Date
- 2026-06-16
AI Technical Summary
Existing methods for repairing and reinforcing wooden components often leave obvious repair marks or fail to prevent cracks from continuing to spread, especially in the wooden beams of ancient buildings, which affects load-bearing capacity and safety.
By using prefabricated crack-resistant components and rigid reinforcing strips, which are inserted into the grooves on both sides of the crack and connected by rigid connectors, combined with epoxy resin filling, a concealed repair structure is formed to limit crack propagation.
It achieves reinforcement without obvious repair traces, limits the cracks from continuing to widen, and enhances the bending and shear resistance of wooden components, which conforms to the restoration principle of "restoring the old as it was" for ancient buildings.
Smart Images

Figure CN118029727B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wood component repair and reinforcement technology, and more specifically, to a wood component repair and reinforcement device and method. Background Technology
[0002] Over time, due to the influence of the natural environment and inherent defects in the wood, wooden components in ancient wooden structures often suffer from cracks and other damage. Wooden beams are important load-bearing components in ancient wooden structures, and cracks can significantly affect their load-bearing capacity. In order to ensure the safety of ancient wooden structures, cracked wooden beams need to be repaired and reinforced.
[0003] Cracks in wooden beams are typically reinforced by directly pouring resin or embedding wooden strips. While this repairs the surface, internal cracks may continue to expand, jeopardizing the structural integrity of the timber. Deeper cracks reduce the beam's shear strength along the grain, significantly impacting its load-bearing capacity. Therefore, when beams are severely cracked, in addition to filling the cracks, it's necessary to limit their further expansion and reinforce the beam's load-bearing capacity. Reinforcing ancient wooden beams primarily adheres to the principles of authenticity, necessity, and reversibility in historical building preservation, maintaining the original appearance of the ancient building to the greatest extent possible and fulfilling the principle of "restoring the old as it was."
[0004] Existing methods for reinforcing cracked wooden beams include: using iron hoops to tighten the cracked beams, using perforated pins for anchoring, pasting FRP fiber cloth, patching, and inlaying. However, methods such as using iron hoops, perforated pins, and pasting FRP fiber cloth leave obvious marks on the surface of the wooden beam, violating the principle of "restoring the old as it was." While patching and inlaying offer some visual repair, they are insufficient to prevent further cracking or improve the overall performance of the wooden beam. Summary of the Invention
[0005] The purpose of this invention is to provide a device and method for repairing and reinforcing wooden components, so as to alleviate the technical problems of obvious repair marks or difficulty in preventing cracks from continuing to crack in the existing wooden component repair and reinforcement methods.
[0006] The wooden component repair device provided by the present invention includes a crack-resistant prefabricated component, a rigid reinforcing strip, and a rigid connector.
[0007] The crack-preventing prefabricated components are in multiple sets, each used to be inserted into a slot on both sides of the crack groove of the wooden component, and at least two sets of the crack-preventing prefabricated components are arranged at intervals along the length direction of the crack groove; the crack-preventing prefabricated components include a limiting member, which cooperates with the limiting recess area on the groove wall of the slot to prevent the crack-preventing prefabricated components from sliding out of the slot.
[0008] Several crack-resistant prefabricated components located on both sides of the crack groove are connected by rigid connectors, and the rigid reinforcing strip is connected to several crack-resistant prefabricated components arranged along the length direction of the crack groove.
[0009] Preferably, as one possible implementation, the crack-preventing prefabricated components are arranged in pairs, with the two sets of crack-preventing prefabricated components in the same pair arranged opposite to each other and connected by the rigid connector.
[0010] Preferably, as one possible implementation, the crack-preventing prefabricated component has a connecting portion located within the crack groove, and the connecting portion has a first insertion hole; the rigid connector is U-shaped, and the corresponding two sides of the rigid connector are respectively used to engage with the first insertion hole on the two sets of crack-preventing prefabricated components in the same pair.
[0011] And / or, the two sets of said crack-prevention prefabricated components in the same pair are connected by two said rigid connectors.
[0012] Preferably, as one possible implementation, the crack-preventing prefabricated components are at least two pairs and are arranged at intervals along the length direction of the crack groove; there are two rigid reinforcing strips, and the crack-preventing prefabricated components located on one side of the crack groove are all connected to one of the rigid reinforcing strips, while the crack-preventing prefabricated components located on the other side of the crack groove are all connected to the other rigid reinforcing strip.
[0013] Preferably, as one possible implementation, the connecting portion of the crack-preventing prefabricated component is provided with a second insertion hole, the rigid reinforcing strip is straight, and the rigid reinforcing strip is used to insert and cooperate with the corresponding second insertion hole on the crack-preventing prefabricated component.
[0014] Preferably, as one possible implementation, the crack-preventing prefabricated component includes a housing and an elastic member. The housing has a first opening, the elastic member is disposed inside the housing, the limiting member cooperates with the first opening, the elastic member is connected to the limiting member, and the elastic member is in a compressed state.
[0015] Preferably, as one possible implementation, the first opening on the housing is in two sets and is arranged opposite to each other, the limiting member is in two sets and is respectively engaged with the two sets of the first opening, and the elastic member is connected between the two sets of the oppositely arranged limiting members.
[0016] Preferably, as one possible implementation, the housing further has a second opening, which communicates with the first opening, and the limiting member can be inserted into the first opening through the second opening; the limiting member has a protrusion and flanges provided on both sides of the protrusion, the width of the limiting member is greater than the width of the first opening, the width of the protrusion is less than or equal to the width of the first opening, and the protrusion can be protruded through the first opening.
[0017] Preferably, as one possible implementation, the elastic element is a spring, the limiting element is provided with a positioning post, and the spring is sleeved on the positioning post.
[0018] The present invention also provides a method for repairing and reinforcing wooden components, which applies the aforementioned wooden component repair and reinforcement device, the method comprising:
[0019] Repair the cracks on the wooden components to form regular crack grooves.
[0020] Multiple slots are formed on both sides of the groove along the length of the groove, and the groove wall of the slot has a limiting recess area.
[0021] Multiple sets of the crack-preventing prefabricated components are inserted into each of the slots through the crack grooves, and the limiting members on the crack-preventing prefabricated components are engaged in the limiting recesses.
[0022] Connect the rigid reinforcing strip and the rigid connector to the corresponding crack-resistant prefabricated component;
[0023] The color of the epoxy resin is adjusted to match the color of the wooden component, and the adjusted epoxy resin is then filled into the gaps in the cracks and grooves.
[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0025] When repairing wooden components, multiple sets of crack-resistant prefabricated components can be inserted into the slots on both sides of the crack groove of the wooden component, and the limiting parts on each crack-resistant prefabricated component can be inserted into the limiting recesses on the groove wall to prevent the crack-resistant prefabricated component from sliding out of the slot; then, several crack-resistant prefabricated components on both sides of the crack groove are connected by rigid connectors, and the rigid reinforcing strip is connected to several crack-resistant prefabricated components arranged at intervals along the length of the crack groove; finally, the gaps in the crack groove are filled with epoxy resin or other filler materials.
[0026] It should be noted that after the wooden component repair device provided by this invention is completed, the entire component is located inside the crack, and epoxy resin or other filling materials can hide it, leaving almost no repair traces. This preserves the original appearance of the wooden component to the greatest extent, conforming to the restoration principle of "restoring the old as it was" for ancient wooden structures. Furthermore, under the action of the rigid connector, the crack-resistant prefabricated components located on both sides of the crack groove and connected to the rigid connector are not prone to relative movement. In particular, they can largely prevent relative movement of the crack-resistant prefabricated components located on both sides of the crack groove and connected to the rigid connector in the width direction of the crack groove. Thus, with the cooperation of the limiting component and the limiting recess of the slot, the further expansion of the crack in the wooden component can be effectively limited. Under the action of the rigid reinforcing strip, several crack-resistant prefabricated components arranged along the length direction of the crack groove and connected to the same rigid reinforcing strip are not prone to relative movement. In particular, they can largely prevent relative angular movement of the crack-resistant prefabricated components arranged along the length direction of the crack groove and connected to the same rigid reinforcing strip. This enhances the bending and shear resistance of the wooden component and improves its overall performance.
[0027] Therefore, the wooden component repair device and method provided by the present invention not only conform to the repair principle of "restoring the old as before" for wooden components, but also limit the continued cracking, enhance the bending and shear resistance of wooden components, and improve the overall working performance of wooden components. Attached Figure Description
[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0029] Figure 1 This is a cross-sectional view of the wooden component repair device and the wooden component provided in an embodiment of the present invention.
[0030] Figure 2 This is a cross-sectional view of a wooden component before it is installed in the wooden component repair device, as provided in an embodiment of the present invention.
[0031] Figure 3 This is a cross-sectional view and a partially enlarged schematic diagram of the wooden component repair device and the wooden component provided in an embodiment of the present invention.
[0032] Figure 4 An exploded structural diagram of the crack-resistant prefabricated component in the wood component repair device provided in an embodiment of the present invention;
[0033] Figure 5This is an exploded structural diagram of the wooden component repair device provided in an embodiment of the present invention.
[0034] Explanation of reference numerals in the attached figures:
[0035] 100-Crack-resistant prefabricated component; 110-Limiting component; 111-Protrusion; 112-Flange; 113-Positioning post; 120-Housing; 121-Connecting part; 122-First insertion hole; 123-Second insertion hole; 124-First opening; 125-Second opening; 130-Elastic component; 140-Sealing plate;
[0036] 200 - Rigid reinforcing strip;
[0037] 300 - Rigid connector;
[0038] 400 - Wooden component; 410 - Crack groove; 420 - Slot; 421 - Limiting recess area. Detailed Implementation
[0039] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0040] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.
[0041] See Figures 1-5 The wood component repair device provided in this embodiment includes a crack-preventing prefabricated component 100, a rigid reinforcing strip 200, and a rigid connector 300. Multiple sets of crack-preventing prefabricated components 100 are used to be inserted into slots 420 on both sides of the crack groove 410 of the wood component 400, and at least two sets of crack-preventing prefabricated components 100 are spaced apart along the length of the crack groove 410. Each crack-preventing prefabricated component 100 includes a limiting member 110, which cooperates with a limiting recess 421 on the groove wall of the slot 420 to prevent the crack-preventing prefabricated component 100 from sliding out of the slot 420. Several crack-preventing prefabricated components 100 located on both sides of the crack groove 410 are connected by the rigid connector 300, and the rigid reinforcing strip 200 is connected to several crack-preventing prefabricated components 100 spaced apart along the length of the crack groove 410.
[0042] When repairing the wooden component 400, multiple sets of crack-resistant prefabricated components 100 can be inserted into the slots 420 on both sides of the crack groove 410 of the wooden component 400, and the limiting members 110 on each crack-resistant prefabricated component 100 can be inserted into the limiting recesses 421 on the groove wall of the slot 420 to prevent the crack-resistant prefabricated component 100 from sliding out of the slot 420; then, the crack-resistant prefabricated components 100 on both sides of the crack groove 410 are connected by rigid connectors 300, and the rigid reinforcing strip 200 is connected to the crack-resistant prefabricated components 100 that are spaced apart along the length of the crack groove 410; finally, the gaps in the crack groove 410 are filled with epoxy resin or other filler materials.
[0043] It should be noted that after the wooden component repair device provided in this embodiment is completed, the entire component is located inside the crack. Epoxy resin or other filling materials can hide it, leaving almost no repair traces. This can preserve the original appearance of the wooden component 400 to the greatest extent possible, which is in line with the repair principle of "restoring the old as before" for ancient wooden structures. Furthermore, under the action of the rigid connector 300, the crack-resistant prefabricated components 100 located on both sides of the crack groove 410 and connected to the rigid connector 300 are not prone to relative movement. In particular, they can largely prevent relative movement of the crack-resistant prefabricated components 100 located on both sides of the crack groove 410 and connected to the rigid connector 300 in the width direction of the crack groove 410. Thus, with the cooperation of the limiting member 110 and the limiting recess area 421 of the slot 420, the crack of the wood component 400 can be effectively limited to continue to expand. Under the action of the rigid reinforcing strip 200, several crack-resistant prefabricated components 100 arranged along the length direction of the crack groove 410 and connected to the same rigid reinforcing strip 200 are not prone to relative movement. In particular, they can largely prevent relative angular movement of the crack-resistant prefabricated components 100 arranged along the length direction of the crack groove 410 and connected to the same rigid reinforcing strip 200. Thus, the bending and shear resistance of the wood component 400 is enhanced, and the overall working performance of the wood component 400 can be improved.
[0044] Therefore, the wooden component repair device provided in this embodiment not only conforms to the repair principle of "restoring the old as before" for wooden components, but also limits the continued cracking, enhances the bending and shear resistance of the wooden component 400, and improves the overall working performance of the wooden component 400.
[0045] Preferably, the crack-preventing prefabricated components 100 can be arranged in pairs, so that multiple sets of crack-preventing prefabricated components 100 are divided into several pairs. The two sets of crack-preventing prefabricated components 100 in the same pair are arranged opposite each other, that is, the two sets of crack-preventing prefabricated components 100 in the same pair can be respectively inserted into the two slots 420 arranged opposite each other on both sides of the crack groove 410. The two sets of crack-preventing prefabricated components 100 in the same pair are connected by rigid connectors 300. This not only improves the limiting effect of rigid connectors 300 on crack-preventing prefabricated components 100, making it less likely for cracks on the wooden components 400 to continue to expand, but also makes the structure more regular and easier to assemble.
[0046] Specifically, a connecting part 121 can be provided on the crack-preventing prefabricated component 100. After the crack-preventing prefabricated component 100 is installed into the slots 420 on both sides of the crack groove 410, the connecting part 121 is located in the crack groove 410. A first insertion hole 122 is opened on the connecting part 121. The rigid connector 300 is set as a U-shaped structure. The rigid connector 300 can be assembled with the crack-preventing prefabricated component 100 by simply inserting the corresponding U-shaped parts of the rigid connector 300 into the first insertion hole 122 on the two sets of crack-preventing prefabricated components 100 in the same pair. The U-shaped rigid connector 300 can form a good limiting effect on the two sets of crack-preventing prefabricated components 100 in the same pair, and it is convenient to operate and reliable in connection. The rigid connector 300 has the same cross-section shape and size as the first socket 122, and the length of the corresponding U-shaped sides of the rigid connector 300 is the same as the depth of the first socket 122; the rigid connector 300 is a solid structure.
[0047] Preferably, the cross-section of the rigid connector 300 is set to a rectangle, and the first insertion hole 122 is set to a rectangular hole, which provides a better limiting effect and makes it less likely for the rigid connector 300 to come out of the first insertion hole 122.
[0048] Preferably, the two sets of fracture-preventing prefabricated components 100 in the same pair can be connected by two rigid connectors 300 to improve the limiting effect and reliability of the rigid connectors 300 on the two sets of fracture-preventing prefabricated components 100 in the same pair. Specifically, the U-shaped openings of the two U-shaped rigid connectors 300 used to connect the two sets of fracture-preventing prefabricated components 100 in the same pair can be set to opposite directions to obtain better limiting effect and reliability.
[0049] At least two pairs of crack-resistant prefabricated components 100 can be set up and arranged at intervals along the length of the crack groove 410. On this basis, two rigid reinforcing strips 200 are set up, and the crack-resistant prefabricated components 100 located on one side of the crack groove 410 are all connected to one of the rigid reinforcing strips 200, and the crack-resistant prefabricated components 100 located on the other side of the crack groove 410 are all connected to the other rigid reinforcing strip 200. This arrangement allows the rigid reinforcing strips 200 to better perform their bending and shear resistance functions, resulting in better bending and shear resistance performance of the wooden components.
[0050] Preferably, multiple sets of crack-preventing prefabricated components 100 are arranged symmetrically relative to the crack groove 410.
[0051] A second insertion hole 123 can be provided on the connecting part 121 of the crack-preventing prefabricated component 100. The rigid reinforcing strip 200 is set as a straight structure, and the rigid reinforcing strip 200 is inserted into the second insertion hole 123 on the corresponding crack-preventing prefabricated component 100. After each crack-preventing prefabricated component 100 is inserted into the slot 420 and the rigid connector 300 is assembled with the corresponding crack-preventing prefabricated component 100, the rigid reinforcing strip 200 can be directly inserted into the second insertion hole 123 of the corresponding crack-preventing prefabricated components 100 in sequence. The straight rigid reinforcing strip 200 has better overall bending and shear resistance and is easier to assemble. The cross-section of the rigid reinforcing strip 200 is the same as the cross-section of the second insertion hole 123 in terms of shape and size. The two ends of the rigid reinforcing strip 200 are slightly longer than the second insertion holes 123 on the crack-preventing prefabricated components 100 at their corresponding ends. Preferably, steel bars can be used as rigid reinforcing bars 200 to ensure the overall strength of the rigid reinforcing bars 200; specifically, the steel bars can be plain round steel bars, which are easy to assemble.
[0052] In the specific structure of the crack-preventing prefabricated component 100, a housing 120 and an elastic element 130 can be provided. A first opening 124 can be provided on the housing 120. The elastic element 130 is placed inside the housing 120, and the limiting element 110 is engaged with the first opening 124. The elastic element 130 is connected to the limiting element 110, and the elastic element 130 is set to a compressed state so that the elastic element 130 can push the limiting element 110 into the limiting recess area 421 through its own elastic force. Under the elastic thrust of the elastic element 130, the limiting element 110 can be held in the limiting recess area 421 of the slot 420, thereby ensuring that the limiting element 110 is secure. The reliable fit between the prefabricated component 100 and the limiting recess 421 effectively prevents the crack-preventing prefabricated component 100 from sliding out of the slot 420, making it more reliable. In addition, because the elastic element 130 has compressible characteristics, when it is necessary to remove the crack-preventing prefabricated component 100 from the slot 420, the limiting element 130 can be retracted into the housing 120 by compressing the elastic element 130. Thus, the limiting element 110 can be dislodged from the limiting recess 421. Without the limitation of the limiting recess 421 on the limiting element 110, the crack-preventing prefabricated component 100 can be smoothly pulled out from the slot 420 without causing secondary damage to the wooden component 400.
[0053] Preferably, the first opening 124 on the housing 120 can be configured into two sets, and the two sets of first openings 124 are arranged opposite to each other. Correspondingly, the limiting members 110 are configured into two sets, and the two sets of limiting members 110 respectively cooperate with the two sets of first openings 124. That is, the two sets of limiting members 110 are arranged on opposite sides of the housing 120, and can be respectively inserted into the limiting recesses 421 of the two oppositely arranged groove walls of the slot 420. Thus, the two sets of limiting members 110 can limit the crack-preventing prefabricated component 100 from both sides, which can improve the force balance of the crack-preventing prefabricated component 100, extend the service life of the crack-preventing prefabricated component 100, and improve the repair effect on the wooden component 400. On this basis, the elastic member 130 is connected between the two sets of oppositely arranged limiting members 110, so that the same elastic member 130 can provide elastic thrust to the two limiting members 110 at the same time, which helps to reduce the number of parts and improve the ease of assembly.
[0054] A second opening 125 may also be provided on the housing 120, communicating with the first opening 124, and allowing the limiting member 110 to be inserted into the first opening 124 through the second opening 125; in the specific structure of the limiting member 110, a protrusion 111 is provided, and flanges 112 are provided on both sides of the protrusion 111; the width of the entire limiting member 110 (including the protrusion 111 and the flanges 112) is set to be greater than the width of the first opening 124, and the width of the protrusion 111 is set to be less than or equal to the width of the first opening 124. The angle is adjusted so that the protrusion 111 can pass smoothly through the first opening 124, and the flange 112 can be limited and engaged with the parts of the housing 120 located on both sides of the first opening 124. In this way, after the assembly of the housing 120, the limiting member 110 and the elastic member 130 are completed, under the blocking and limiting of the parts of the housing 120 located on both sides of the first opening 124 and the elastic thrust of the elastic member 130, the limiting member 110 can maintain a stable engagement with the first opening 124, which can ensure the integrity of the crack-preventing prefabricated component 100.
[0055] Preferably, the dimensions of the fracture-preventing prefabricated component 100 in each direction are slightly smaller than the dimensions of the slot 420 in each direction, so that there are gaps between each part of the fracture-preventing prefabricated component 100 and the slot 420, which facilitates the subsequent removal of the fracture-preventing prefabricated component 100 from the slot 420. For example, the width of the protrusion 111 can be set to be smaller than the width of the first opening 124. When it is necessary to remove the fracture-preventing prefabricated component 100 from the slot 420, the extraction clamp can be inserted through the gap between the fracture-preventing prefabricated component 100 and the slot 420 to the part opposite to the flange 112 of the limiting member 110 and the first opening 124. Then, the extraction clamp is used to squeeze the flange 112, so that the protrusion 111 of the limiting member 110 is retracted into the housing 120. After that, the extraction clamp is used to pull the fracture-preventing prefabricated component 100 out of the slot 420.
[0056] Specifically, a spring can be used as the aforementioned elastic element 130, and a positioning post 113 can be provided on one of the limiting elements 110. The spring is fitted onto the positioning post 113 to position the spring, allowing the spring to cooperate with the limiting element 110 at a specific position, thus ensuring the reliability of the spring's thrust on the limiting element 110. Alternatively, two springs can be used, symmetrically arranged with respect to the central symmetry line of the limiting element 110 to improve the force balance of the limiting element 110.
[0057] The aforementioned housing 120 may also include a sealing plate 140. After the limiting member 110, the elastic member 130 and the housing 120 are assembled, the sealing plate 140 can be used to seal the second opening 125. Specifically, the sealing plate 140 can be sealed at the second opening 125 by welding.
[0058] Specifically, the housing 120 can be configured as a cuboid structure, with one side of the housing 120 being open as a second opening 125; the aforementioned first opening 124 can be formed on two opposite sidewalls adjacent to this side, preferably one first opening 124, and positioned in the middle of the respective sidewall. The aforementioned connecting portion 121 can be provided on the housing 120 and protrude from one of the sidewalls of the housing 120 where the first opening 124 is not provided.
[0059] When assembling the crack-preventing prefabricated component 100, the spring can be first fitted onto the positioning post 113 on the limiting member 110. Then, the limiting member 110 with the spring installed can be inserted into the corresponding first opening 124 through the second opening 125 of the housing 120. After that, the limiting member 110 without the positioning post 113 can be inserted into the corresponding first opening 124 through the second opening 125 of the housing 120. The position of the spring can be adjusted by the second opening 125 to make it stand upright. Finally, the sealing plate 140 can be sealed and welded to the second opening 125.
[0060] This embodiment also provides a method for repairing and reinforcing wooden components, which uses the above-mentioned wooden component repair and reinforcement device and includes the following steps:
[0061] S102, Repair the cracks on the wooden component 400 to form a regular crack groove 410.
[0062] S104, multiple slots 420 are opened on both sides of the groove wall of the crack groove 410 along the length of the crack groove 410, and the groove wall of the slot 420 has a limiting recess area 421.
[0063] S106, multiple sets of crack-preventing prefabricated components 100 are inserted into each slot 420 through crack grooves 410, and the limiting member 110 on the crack-preventing prefabricated component 100 is locked into the limiting recess area 421.
[0064] S108, connect the rigid reinforcing strip 200 and the rigid connector 300 to the corresponding crack-resistant prefabricated component 100.
[0065] S110, the color of the epoxy resin is adjusted to match the color of the wood component 400, and the adjusted epoxy resin is filled into the gaps of the crack groove 410.
[0066] The method for repairing and reinforcing wooden components provided in this embodiment applies the aforementioned wooden component repair device, which has all the advantages of the aforementioned wooden component repair device. It not only conforms to the repair principle of "restoring the old as before" for wooden components, but also limits the continued cracking, enhances the bending and shear resistance of the wooden component 400, and improves the overall working performance of the wooden component 400.
[0067] Before step S102, the above method may further include: using an instrument to measure the depth, width and direction of the cracks on the wooden component 400.
[0068] In step S102, the crack is preferably trimmed into a rectangular crack groove 410 to facilitate the subsequent insertion of the crack-resistant prefabricated component 100 into the slot 420. Specifically, tools such as a cutting disc or chisel can be used to trim the crack. The crack groove 410 must cover the original crack. Specifically, the depth of the crack groove 410 is trimmed to match the crack, and the two side walls of the crack groove 410 are trimmed to be flush with the edge of the crack. When the cracks on the wooden component 400 have different shapes, adjacent cracks located on the same plane can be trimmed into a single crack groove 410.
[0069] In step S104, the depth of the slot 420 (i.e., the dimension from the opening to the bottom of the slot) can be set to be less than the width of the crack groove 410. Under the premise of ensuring that the crack-resistant prefabricated component 100 can pass smoothly through the crack groove 410, the space of the slot 420 can be fully utilized. One side of the slot wall of the slot 420 is set to be flush with the bottom of the crack groove 410, and the distance between the two sides of the slot wall of the slot 420 is set to be within 1 / 2 of the depth of the crack groove 410, so as to reduce the impact on the original structural strength of the wooden component 400.
[0070] After step S110, the above method may further include: smoothing the surface of the wooden component 400, gluing it firmly, and then sanding and cleaning the surface of the wooden component 400 until it is clean and intact.
[0071] When it is necessary to remove the crack-preventing prefabricated component 100, the epoxy resin can be cleaned first, then the rigid connector 300 and the rigid reinforcing strip 200 can be removed, then the protrusion 111 of the limiting component 110 can be pressed into the housing 120, and finally the crack-preventing prefabricated component 100 can be pulled out.
[0072] In the description of this invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.
[0073] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A wooden component repair device, characterized in that, It includes crack-resistant prefabricated components (100), rigid reinforcing strips (200), and rigid connectors (300); The crack-prevention prefabricated components (100) are in multiple sets, each used to be inserted into the slots (420) on both sides of the crack groove (410) of the wooden component (400), and at least two sets of the crack-prevention prefabricated components (100) are arranged at intervals along the length direction of the crack groove (410); the crack-prevention prefabricated components (100) include a limiting member (110), which cooperates with the limiting recess area (421) on the groove wall of the slot (420) to prevent the crack-prevention prefabricated components (100) from sliding out of the slot (420). Several crack-preventing prefabricated components (100) located on both sides of the crack groove (410) are connected by rigid connectors (300), and the rigid reinforcing strip (200) is connected to several crack-preventing prefabricated components (100) arranged along the length direction of the crack groove (410). The crack-preventing prefabricated components (100) are arranged in pairs, with the two sets of crack-preventing prefabricated components (100) in the same pair arranged opposite to each other and connected by the rigid connector (300). The crack-prevention prefabricated component (100) has a connecting part (121) located in the crack groove (410), and the connecting part (121) has a first insertion hole (122).
2. The wooden component repair device according to claim 1, characterized in that, The rigid connector (300) is U-shaped, and the corresponding U-shaped sides of the rigid connector (300) are respectively used to be inserted and engaged with the first insertion hole (122) on the two sets of crack-resistant prefabricated components (100) in the same pair.
3. The wooden component repair device according to claim 1, characterized in that, The two sets of crack-preventing prefabricated components (100) in the same pair are connected by two rigid connectors (300).
4. The wooden component repair device according to claim 1, characterized in that, The crack-preventing prefabricated components (100) are at least two pairs and are arranged at intervals along the length of the crack groove (410); there are two rigid reinforcing strips (200), and the crack-preventing prefabricated components (100) located on one side of the crack groove (410) are connected to one of the rigid reinforcing strips (200), and the crack-preventing prefabricated components (100) located on the other side of the crack groove (410) are connected to the other rigid reinforcing strip (200).
5. The wooden component repair device according to claim 4, characterized in that, The connecting part (121) of the crack-prevention prefabricated component (100) is provided with a second insertion hole (123). The rigid reinforcing strip (200) is straight and is used to be inserted into the second insertion hole (123) on the corresponding crack-prevention prefabricated component (100).
6. The wooden component repair device according to any one of claims 1-5, characterized in that, The crack-prevention prefabricated component (100) includes a housing (120) and an elastic element (130). The housing (120) has a first opening (124). The elastic element (130) is disposed inside the housing (120). The limiting element (110) cooperates with the first opening (124). The elastic element (130) is connected to the limiting element (110), and the elastic element (130) is in a compressed state.
7. The wooden component repair device according to claim 6, characterized in that, The first opening (124) on the housing (120) is in two sets and is arranged opposite to each other. The limiting member (110) is in two sets and is respectively engaged with the two sets of the first opening (124). The elastic member (130) is connected between the two sets of the limiting members (110) arranged opposite to each other.
8. The wooden component repair device according to claim 6, characterized in that, The housing (120) also has a second opening (125) that communicates with the first opening (124). The limiting member (110) can be inserted into the first opening (124) through the second opening (125). The limiting member (110) has a protrusion (111) and flanges (112) on both sides of the protrusion (111). The width of the limiting member (110) is greater than the width of the first opening (124). The width of the protrusion (111) is less than or equal to the width of the first opening (124). The protrusion (111) can pass through the first opening (124).
9. The wooden component repair device according to claim 6, characterized in that, The elastic element (130) is a spring, and the limiting element (110) is provided with a positioning post (113), and the spring is sleeved on the positioning post (113).
10. A method for repairing and reinforcing wooden components, characterized in that, The method of using the wooden component repair and reinforcement device according to any one of claims 1-9 includes: The cracks on the wooden component (400) are repaired to form a regular crack groove (410). Multiple slots (420) are formed on both sides of the groove wall of the crack groove (410) along the length direction of the crack groove (410), and the groove wall of the slot (420) has a limiting recess area (421). Multiple sets of the crack-preventing prefabricated components (100) are inserted into the slots (420) through the crack grooves (410), and the limiting members (110) on the crack-preventing prefabricated components (100) are engaged in the limiting recesses (421). Connect the rigid reinforcing strip (200) and the rigid connector (300) to the corresponding crack-resistant prefabricated component (100); The color of the epoxy resin is adjusted to match the color of the wooden component (400), and the adjusted epoxy resin is filled into the gaps of the crack groove (410).
Citation Information
Patent Citations
Protective layer for repairing ancient building
CN213269040U