Mortise and tenon joint connection and connection method for pultruded profiles

Abstract

The present invention relates to the field of civil engineering technology, and in particular to a mortise and tenon type pultruded profile connection node and a mortise and tenon type pultruded profile connection method, wherein the mortise and tenon type pultruded profile comprises a first plate, a second plate, a connector, a coating layer and a first structural adhesive layer, one end of the first plate is provided with a first groove, one end of the second plate is provided with a second groove, one end of the connector is clamped in the first groove, and the other end of the connector is clamped in the second groove, the coating layer is wound around the connection between the first plate and the second plate, and the coating layer is wound around the outer wall surface of the connector, and the coating layer and the first plate, the second plate and the connector are coated with a first structural adhesive layer. The mortise and tenon type pultruded profile of the present invention avoids stress concentration between the mortise and tenon type pultruded profiles, and improves the connection stability and durability between the mortise and tenon type pultruded profiles.

Description

Technical Field

[0001] The invention relates to the technical field of civil engineering, and in particular to a mortise and tenon type pultruded profile connection node and a mortise and tenon type pultruded profile connection node connection method. Background Art

[0002] Fiber-reinforced composite mortise and tenon pultruded profiles have high specific strength and specific modulus, excellent corrosion resistance and fatigue resistance, and low maintenance costs throughout the life cycle. They have demonstrated strong competitiveness and application potential in civil engineering construction at home and abroad.

[0003] In the related art, the connection methods of traditional mortise and tenon type pultruded profiles are bolt connection and adhesive connection. However, bolt connection is prone to cause greater stress concentration, resulting in the mortise and tenon type pultruded profile being easily split and damaged at the bolt hole, and the durability of adhesive connection is poor. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, an embodiment of the present invention provides a mortise and tenon type pultruded profile connection node, which avoids stress concentration between mortise and tenon type pultruded profiles and improves the connection stability and durability between mortise and tenon type pultruded profiles.

[0005] The invention also proposes a method for connecting nodes of mortise and tenon type pultruded profiles.

[0006] The mortise and tenon type pultruded profile connection node of the embodiment of the present invention comprises: a first plate and a second plate, wherein one end of the first plate is provided with a first groove, and one end of the second plate is provided with a second groove;

[0007] A connecting piece, one end of which is clamped in the first groove, and the other end of which is clamped in the second groove;

[0008] A coating layer, the coating layer is wound around the connection between the first plate and the second plate, and the coating layer is wound around the outer wall surface of the connecting member;

[0009] A first structural adhesive layer is coated on the coating layer, the first plate, the second plate and the connecting member.

[0010] The mortise and tenon type pultruded profile connection node of the embodiment of the present invention avoids stress concentration between the mortise and tenon type pultruded profiles, thereby improving the connection stability and durability between the mortise and tenon type pultruded profiles.

[0011] In some embodiments, the connecting member includes a first connecting segment and a second connecting segment symmetrically arranged in the length direction of the connecting member, the first connecting segment is clamped in the first groove, and the second connecting segment is clamped in the second groove.

[0012] The dimension of the first connecting section in the width direction of the connecting member gradually decreases in the direction away from the first plate in the length direction of the connecting member, and the dimension of the second connecting section in the width direction of the connecting member gradually increases in the direction close to the second plate in the length direction of the connecting member.

[0013] In some embodiments, the connecting member further includes a third connecting segment, the third connecting segment is connected to the first connecting segment, and the third connecting segment is clamped in the first groove, and the dimension of the third connecting segment in the width direction of the connecting member is constant in the length direction of the connecting member.

[0014] In some embodiments, the connecting member further includes a fourth connecting segment, which is connected to the second connecting segment and is clamped in the second groove, and the dimension of the fourth connecting segment in the width direction of the connecting member is constant in the length direction of the connecting member.

[0015] In some embodiments, there are multiple first grooves, there are multiple second grooves, multiple first grooves are arranged at intervals in the width direction of the connecting member, and multiple second grooves are arranged at intervals along the width direction of the connecting member. Multiple first grooves and multiple second grooves are connected in a one-to-one correspondence to form multiple installation grooves. There are multiple connecting members, and multiple connecting members correspond one-to-one to multiple installation grooves.

[0016] In some embodiments, the dimension of the third connecting segment in the width direction of the connecting member is greater than or equal to the dimension of the first connecting segment in the width direction of the connecting member, and / or the dimension of the fourth connecting segment in the width direction of the connecting member is greater than or equal to the dimension of the second connecting segment in the width direction of the connecting member.

[0017] In some embodiments, the first connecting segment, the second connecting segment, the third connecting segment, and the fourth connecting segment are integrally formed.

[0018] In some embodiments, the mortise and tenon type pultruded profile connection node further includes a second structural adhesive layer, and the second structural adhesive layer is coated between the connecting member and the first plate and the second plate.

[0019] In some embodiments, the covering layer is a unidirectional carbon fiber cloth, and the direction of the unidirectional carbon fiber cloth is the same as the width direction of the first plate, and the first plate, the second plate and the connecting member are structural fiber-reinforced composite pultruded plates.

[0020] The mortise and tenon type pultruded profile node connection method of the embodiment of the present invention includes: cutting a connecting piece, cutting a first groove and a second groove on a first plate and a second plate; embedding the connecting piece into the first groove and the second groove for installation; tightly wrapping a coating layer at the connection between the first plate and the second plate; and curing the mortise and tenon type pultruded profile connection node.

[0021] The mortise and tenon type pultruded profile node connection method of the embodiment of the present invention avoids stress concentration between the mortise and tenon type pultruded profiles, and improves the connection stability and durability between the mortise and tenon type pultruded profiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a mortise and tenon type pultruded profile connection node according to an embodiment of the present invention.

[0023] Figure 2 It is a schematic diagram of the winding of the coating layer in the mortise and tenon type pultruded profile connection node according to an embodiment of the present invention.

[0024] Figure 3 It is a schematic diagram of the mortise and tenon type pultruded profile connection nodes after connection is completed in an embodiment of the present invention.

[0025] Reference numerals:

[0026] The first plate 1 , the first groove 11 , the second plate 2 , the second groove 21 , the connecting piece 3 , the first connecting section 31 , the second connecting section 32 , the third connecting section 33 , the fourth connecting section 34 , and the covering layer 4 . DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0028] like Figures 1 to 3 As shown, the mortise and tenon type pultruded profile connection node of the embodiment of the present invention includes a first plate 1, a second plate 2, a connecting piece 3, a coating layer 4 and a first structural adhesive layer, one end of the first plate 1 is provided with a first groove 11, one end of the second plate 2 is provided with a second groove 21, one end of the connecting piece 3 is clamped in the first groove 11, and the other end of the connecting piece 3 is clamped in the second groove 21, the coating layer 4 is wrapped around the connection between the first plate 1 and the second plate 2, and the coating layer 4 is wrapped around the outer wall surface of the connecting piece 3, and the coating layer 4 and the first plate 1, the second plate 2 and the connecting piece 3 are coated with the first structural adhesive layer.

[0029] Specifically, Figures 1 to 3As shown, the first plate 1 and the second plate 2 extend in the front-to-back direction, and the first plate 1 and the second plate 2 are arranged opposite to each other in the front-to-back direction. A first groove 11 is provided at the rear end of the first plate 1, and the first groove 11 extends along the front-to-back direction. A second groove 21 is provided at the front end of the second plate 2, and the second groove 21 extends along the front-to-back direction. The connecting member 3 extends along the front-to-back direction, and the front end of the connecting member 3 is clamped in the first groove 11, and the rear end of the connecting member 3 is clamped in the second groove 21. The covering layer 4 is wrapped around the connection between the first plate 1 and the second plate 2, and a first structural adhesive layer is coated between the covering layer 4 and the first plate 1, the second plate 2 and the connecting member 3, thereby completing the connection between the first plate 1 and the second plate 2.

[0030] When the mortise and tenon joint of the pultruded profile is stretched, extrusion or friction is generated between the connector 3 and the first plate 1 and the second plate 2 to transfer force. The friction or extrusion force is transmitted along the contact surface between the first plate 1 and the second plate 2 and the connector 3. The friction or extrusion force is divided into the horizontal direction ( Figure 1 The force in the left and right directions) and the longitudinal direction ( Figure 1 The component of friction or extrusion force in the longitudinal direction is transmitted to the first plate 1 and the second plate 2, and the component of friction or extrusion force in the lateral direction is transmitted to the left and right directions of the first plate 1 and the second plate 2. The covering layer 4 is wrapped around the connection between the first plate 1 and the second plate 2, and the first structural adhesive layer is coated between the covering layer 4 and the first plate 1, the second plate 2 and the connecting member 3, which are suitable for resisting the force transmitted in the left and right directions.

[0031] When the mortise and tenon type pultruded profile connection node is compressed, that is, the mortise and tenon type pultruded profile connection node is subjected to a compressive force in the front-to-back direction, the first plate 1, the second plate 2 and the connecting member 3 are suitable for resisting the compressive force in the front-to-back direction. Optionally, the first plate 1, the second plate 2 and the connecting member 3 can be mortise and tenon type pultruded profiles to improve the structural strength of the mortise and tenon type pultruded profile connection node.

[0032] The mortise and tenon type pultruded profile connection node of the embodiment of the present invention connects the first plate 1 and the second plate 2 by clamping the front end of the connecting member 3 in the first groove 11 and the rear end of the connecting member 3 in the second groove 21, and the connection between the first plate 1 and the second plate 2 is wrapped by the coating layer 4, and a first structural adhesive layer is coated between the coating layer 4 and the first plate 1, the second plate 2 and the connecting member 3, thereby avoiding stress concentration and improving durability. Compared with the related art using bolt connection or gluing, the mortise and tenon type pultruded profile node of the embodiment of the present invention can avoid stress concentration between the mortise and tenon type pultruded profiles, and improve the connection stability and durability between the mortise and tenon type pultruded profiles.

[0033] In some embodiments, the connector 3 includes a Figure 1The first connecting section 31 and the second connecting section 32 are symmetrically arranged in the front-to-back direction (shown in FIG. 1 ), the first connecting section 31 is clamped in the first groove 11, and the second connecting section 32 is clamped in the second groove 21. The size of the first connecting section 31 in the width direction of the connecting member 3 gradually decreases in the direction away from the first plate 1 in the length direction of the connecting member 3, and the size of the second connecting section 32 in the width direction ( Figure 1 The dimension in the left-right direction (shown in FIG. 1 ) gradually increases in the direction approaching the second plate 2 in the length direction of the connecting member 3 .

[0034] Specifically, Figure 1 As shown, the first connecting section 31 is clamped in the first groove 11, and the second connecting section 32 is clamped in the second groove 21. The size of the first connecting section 31 in the left-right direction gradually decreases from front to back, and the size of the second connecting section 32 in the left-right direction gradually increases from front to back. Therefore, when the mortise and tenon type pultruded profile connection node is stretched or squeezed in the front-to-back direction, the stretching or squeezing force is transmitted to the longitudinal or lateral direction of the mortise and tenon type pultruded profile connection node, thereby avoiding stress concentration when the mortise and tenon type pultruded profile is subjected to force, resulting in low durability and structural strength of the mortise and tenon type pultruded profile connection node, thereby improving the durability and stability of the mortise and tenon type pultruded profile connection node.

[0035] In some embodiments, the connecting member 3 also includes a third connecting segment 33, which is connected to the first connecting segment 31 and is clamped in the first groove 11. The dimension of the third connecting segment 33 in the width direction of the connecting member 3 is constant in the length direction of the connecting member 3.

[0036] Specifically, Figure 1 As shown, the rear end of the third connecting segment 33 is connected to the first connecting segment 31, and the front end of the third connecting segment 33 contacts the inner wall surface of the first groove 11. The size of the third connecting segment 33 in the left-right direction is greater than or equal to the size of the front end surface of the first connecting segment 31 in the left-right direction. The shape of the third connecting segment 33 in the left-right direction can be rectangular, or the third connecting segment 33 can be a cuboid. By setting the third connecting segment 33, when the connecting member 3 is compressed or stretched in the front-to-back direction, the third connecting segment 33 is rectangular to resist the compression force or stretching force from the front-to-back direction, that is, by setting the size of the third connecting segment 33 in the left-right direction to be greater than or equal to the size of the front end of the first connecting segment 31 in the left-to-right direction, deformation of the first connecting segment 31 or the second connecting segment 32 during stretching or compression is avoided, thereby improving the stability and safety of the mortise and tenon type pultruded profile connection node.

[0037] In some embodiments, the connecting member 3 also includes a fourth connecting segment 34, which is connected to the second connecting segment 32 and is clamped in the second groove 21, and the dimension of the fourth connecting segment 34 in the width direction of the connecting member 3 is constant in the length direction of the connecting member 3.

[0038] Specifically, Figure 1 As shown, the front end of the fourth connecting segment 34 is connected to the second connecting segment 32, and the rear end of the fourth connecting segment 34 contacts the inner wall surface of the second groove 21. The size of the fourth connecting segment 34 in the left-right direction is greater than or equal to the size of the rear end surface of the second connecting segment 32 in the left-right direction. The shape of the fourth connecting segment 34 in the left-right direction can be rectangular, or the fourth connecting segment 34 can be a cuboid. By setting the fourth connecting segment 34, when the connecting member 3 is compressed or stretched in the front-to-back direction, the fourth connecting segment 34 is rectangular to resist the compression force or stretching force from the front-to-back direction, that is, by setting the size of the fourth connecting segment 34 in the left-right direction to be greater than or equal to the size of the front end of the first connecting segment 31 in the left-to-right direction, deformation of the first connecting segment 31 or the second connecting segment 32 during stretching or compression is avoided, thereby improving the stability and safety of the mortise and tenon type pultruded profile connection node.

[0039] In some embodiments, there are multiple first grooves 11, and there are multiple second grooves 21. The multiple first grooves 11 are arranged at intervals in the width direction of the connecting member 3, and the second grooves 21 are arranged at intervals along the width direction of the connecting member 3. The multiple first grooves 11 and the multiple second grooves 21 are connected one-to-one to form multiple installation grooves. There are multiple connecting members 3, and the multiple connecting members 3 correspond one-to-one to the multiple installation grooves.

[0040] Specifically, Figure 1 As shown, a plurality of first grooves 11 and a plurality of second grooves 21 are arranged at intervals in the left-right direction to form installation grooves, and a plurality of installation grooves are arranged at intervals in the left-right direction, and a plurality of installation grooves correspond one-to-one to a plurality of connectors 3, that is, the connectors 3 are clamped in the corresponding installation grooves to improve the connection strength of the mortise and tenon type pultruded profile connection nodes, and then the coating layer 4 is wrapped around the connection between the first plate 1 and the second plate 2, and a first structural adhesive layer is coated between the coating layer 4 and the connectors 3, the first plate 1 and the second plate 2 to improve the structural strength and connection stability of the mortise and tenon type pultruded profile connection nodes.

[0041] In some embodiments, the dimension of the third connecting segment 33 in the width direction of the connecting member 3 is greater than or equal to the dimension of the first connecting segment 31 in the width direction of the connecting member 3, and / or the dimension of the fourth connecting segment 34 in the width direction of the connecting member 3 is greater than or equal to the dimension of the second connecting segment 32 in the width direction of the connecting member 3.

[0042] Specifically, Figure 1As shown, when the size of the third connecting segment 33 in the left-right direction is greater than the size of the first connecting segment 31 in the left-right direction, the rear end of the third connecting segment 33 is at least partially connected to the inner wall surface of the first groove 11, so that when the mortise and tenon pultruded profile is compressed or stretched, the third connecting segment 33 contacts the first plate 1 to resist the external compression force or stretching force, avoiding the first connecting segment 31 or the second connecting segment 32 from deforming when the mortise and tenon pultruded profile is stretched or compressed. In other words, the deformation of the first connecting segment 31 or the second connecting segment 32 when the mortise and tenon pultruded profile is stretched or compressed is reduced, the structural strength of the mortise and tenon pultruded profile connection node is improved, the first connecting segment 31 and the second connecting segment 32 are prevented from deforming and causing the connector 3 to fall off from the first groove 11 and the second groove 21, and the stability and safety of the mortise and tenon pultruded profile connection node are improved. And / or, when the size of the fourth connecting segment 34 in the left-right direction is larger than the size of the second connecting segment 32 in the left-right direction, the front end of the fourth connecting segment 34 is at least partially connected to the inner wall surface of the second groove 21, so that when the mortise and tenon pultruded profile is compressed or stretched, the fourth connecting segment 34 contacts the second plate 2 to resist the external compression force or stretching force, thereby avoiding the first connecting segment 31 or the second connecting segment 32 from deforming when the mortise and tenon pultruded profile is stretched or compressed. In other words, the deformation of the first connecting segment 31 or the second connecting segment 32 when the mortise and tenon pultruded profile is stretched or compressed is reduced, thereby improving the structural strength of the mortise and tenon pultruded profile connection node, avoiding the first connecting segment 31 and the second connecting segment 32 from deforming and causing the connecting member 3 to fall off from the first groove 11 and the second groove 21, thereby improving the stability and safety of the mortise and tenon pultruded profile connection node.

[0043] Optionally, the first connecting segment 31 , the second connecting segment 32 , the third connecting segment 33 , and the fourth connecting segment 34 are integrally formed to improve the structural strength of the mortise and tenon type pultruded profile connection node.

[0044] In some embodiments, the mortise and tenon type pultruded profile connection node further includes a second structural adhesive layer, and the second structural adhesive layer is coated between the connecting member 3 and the first plate 1 and the second plate 2 .

[0045] Specifically, Figure 1 As shown, a second structural adhesive layer is coated between the connecting member 3 and the first plate 1 and the second plate 2 to improve the stability of the connection between the connecting member 3 and the first plate 1 and the second plate 2.

[0046] In some embodiments, the covering layer 4 is a unidirectional carbon fiber cloth, and the direction of the unidirectional carbon fiber cloth is the same as the width direction of the first plate 1. The first plate 1, the second plate 2 and the connecting member 3 are fiber reinforced composite pultruded plates for structures.

[0047] Specifically, Figure 1As shown, the direction of the unidirectional carbon fiber cloth is the same as the width direction of the first plate 1, and the direction of the unidirectional carbon fiber cloth is the left-right direction, that is, the coating layer 4 has a large number of carbon fiber filaments in the left-right direction, that is, the structural strength of the coating layer 4 in the left-right direction is higher than the structural strength of the coating layer 4 in the left-right direction, and then when the mortise and tenon pultruded profile is compressed or stretched in the front-back direction, the first connecting section 31 and the second connecting section 32 will exert a force in the left-right direction on the first plate 1 or the second plate 2, and the structural strength of the coating layer 4 in the left-right direction is higher than the structural strength of the coating layer 4 in the left-right direction to improve the structural strength of the mortise and tenon pultruded profile in the left-right direction, thereby avoiding the reduction of the overall structural strength of the mortise and tenon pultruded profile connection node due to the low structural strength of the mortise and tenon pultruded profile connection node in the left-right direction. The first plate 1, the second plate 2 and the connecting member 3 are fiber reinforced composite pultruded plates for structures, which further improve the structural strength of the mortise and tenon pultruded profile connection node.

[0048] Optionally, the size of the coating layer 4 in the front-to-back direction is larger than the size of the connecting piece 3 in the front-to-back direction so that the coating layer 4 wraps around the connecting piece 3 as a whole, thereby preventing external fluid from entering the connection between the first plate 1 and the second plate 2 where the coating layer 4 is wrapped, thereby improving the stability and corrosion resistance of the mortise and tenon type pultruded profile connection node.

[0049] Optionally, a first comb-tooth portion is provided on the first connecting section 31, and a second comb-tooth portion is provided on the first plate 1, and the first comb-tooth portion is meshed with the second comb-tooth portion, that is, the first comb-tooth portion is provided on the left side surface of the first connecting section 31, and the second comb-tooth portion is provided on the left wall surface of the first groove 11, and the first comb-tooth portion is meshed with the second comb-tooth portion. When the mortise and tenon type pultruded profile connection node is compressed or stretched, the first comb-tooth portion is meshed with the second comb-tooth portion to increase the friction between the first plate 1 and the connecting member 3, so as to resist the compression force or tension force on the mortise and tenon type pultruded profile connection node, thereby improving the stability and safety of the mortise and tenon type pultruded profile.

[0050] The second connecting section 32 is provided with a third grate portion, the second plate 2 is provided with a fourth grate portion, and the third grate portion meshes with the fourth grate portion. That is, the left side of the second connecting section 32 is provided with a third grate portion, the left side of the second groove 21 is provided with a fourth grate portion corresponding thereto, and the third grate portion meshes with the fourth grate portion. When the mortise and tenon type pultruded profile connection node is compressed or stretched, the third grate portion meshes with the fourth grate portion to increase the friction between the second plate 2 and the connecting member 3, so as to resist the compression or stretching force on the mortise and tenon type pultruded profile connection node, and improve the stability and safety of the mortise and tenon type pultruded profile.

[0051] The mortise and tenon type pultruded profile connection node connection method of the embodiment of the present invention includes cutting the connecting piece 3, cutting the first groove 11 and the second groove 21 on the first plate 1 and the second plate 2, embedding the connecting piece 3 into the first groove 11 and the second groove 21 for installation, tightly wrapping the coating layer 4 at the connection between the first plate 1 and the second plate 2, and curing the mortise and tenon type pultruded profile connection node.

[0052] The cut connector 3 is in the shape of a silver ingot tenon, and the corresponding first grooves 11 and second grooves 21 are cut on the first plate 1 and the second plate 2. The connector 3 is clamped in the first grooves 11 and the second grooves 21 to complete the connection between the first plate 1 and the second plate 2. Structural adhesive can also be applied between the connector 3 and the inner wall surfaces of the first grooves 11 and the second grooves 21 to improve the wrapping of the coating layer 4 around the connection between the first plate 1 and the second plate 2, and the mortise and tenon type pultruded profile connection nodes are heated and cured to complete the mortise and tenon type pultruded profile connection.

[0053] The mortise and tenon type pultruded profile node connection method of the embodiment of the present invention avoids stress concentration between the mortise and tenon type pultruded profiles, and improves the connection stability and durability between the mortise and tenon type pultruded profiles.

[0054] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0059] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A mortise and tenon type pultruded profile connection node, characterized in that: include: A first plate and a second plate, wherein one end of the first plate is provided with a first groove, and one end of the second plate is provided with a second groove; A connecting piece, one end of which is clamped in the first groove, and the other end of which is clamped in the second groove; A coating layer, the coating layer is wound around the connection between the first plate and the second plate, and the coating layer is wound around the outer wall surface of the connecting member; A first structural adhesive layer, the coating layer and the first plate, the second plate and the connecting member are coated with the first structural adhesive layer; The connecting member comprises a first connecting section and a second connecting section, and a third connecting section and a fourth connecting section, which are symmetrically arranged in the length direction of the connecting member, wherein the first connecting section is clamped in the first groove, the second connecting section is clamped in the second groove, the third connecting section is connected to the first connecting section, and the third connecting section is clamped in the first groove, and the dimension of the third connecting section in the width direction of the connecting member is constant in the length direction of the connecting member; the fourth connecting section is connected to the second connecting section, and the fourth connecting section is clamped in the second groove, and the dimension of the fourth connecting section in the width direction of the connecting member is constant in the length direction of the connecting member; The dimension of the first connecting section in the width direction of the connecting member gradually decreases in the direction away from the first plate in the length direction of the connecting member, and the dimension of the second connecting section in the width direction of the connecting member gradually increases in the direction close to the second plate in the length direction of the connecting member; The dimension of the third connecting section in the width direction of the connecting member is greater than or equal to the dimension of the first connecting section in the width direction of the connecting member, and / or the dimension of the fourth connecting section in the width direction of the connecting member is greater than or equal to the dimension of the second connecting section in the width direction of the connecting member; The covering layer is a unidirectional carbon fiber cloth, and the direction of the unidirectional carbon fiber cloth is the same as the width direction of the first plate. The first plate, the second plate and the connecting member are structural fiber-reinforced composite pultruded plates.

2. The mortise and tenon type pultruded profile connection node according to claim 1, characterized in that: There are multiple first grooves, there are multiple second grooves, the multiple first grooves are arranged at intervals in the width direction of the connecting member, the second grooves are arranged at intervals along the width direction of the connecting member, the multiple first grooves and the multiple second grooves are connected in a one-to-one correspondence to form a multiple installation grooves, there are multiple connecting members, and the multiple connecting members correspond to the multiple installation grooves in a one-to-one manner.

3. The mortise and tenon type pultruded profile connection node according to claim 1, characterized in that: The first connecting section, the second connecting section, the third connecting section and the fourth connecting section are integrally formed.

4. The mortise and tenon type pultruded profile connection node according to claim 1, characterized in that: It also includes a second structural adhesive layer, and the second structural adhesive layer is coated between the connecting member and the first plate and the second plate.

5. A method for connecting nodes of mortise and tenon type pultruded profiles, characterized in that: Based on the implementation of the mortise and tenon type pultruded profile connection node according to any one of claims 1 to 4, the mortise and tenon type pultruded profile connection node connection method comprises: Cutting the connecting piece, cutting a first groove and a second groove on the first plate and the second plate; The connecting member is embedded into the first groove and the second groove for installation, so that the third connecting section and the first connecting section are clamped in the first groove, and the second connecting section and the fourth connecting section are clamped in the second groove; tightly wrapping the covering layer around the junction of the first plate and the second plate; Solidify the mortise and tenon joints of pultruded profiles.

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