Connecting device for steel structure joints

Abstract

The utility model discloses a connecting device of a steel structure node, which comprises a node component and a cross beam rod piece, a positioning plug-in component is arranged on the side wall of the node component, a positioning block is welded at one end of the cross beam rod piece, one end of the positioning block is inserted into the positioning plug-in component, and the other end of the positioning block is inserted into the cross beam rod piece. The utility model relates to the technical field of steel structures, an existing node component is improved, the positioning and inserting component is arranged on the side wall of the node component, mortise and tenon structural design is adopted in the positioning and inserting component, one end of a cross beam rod piece is inserted into the positioning and inserting component, and a locking connecting component is arranged on one side of the positioning and inserting component. The end of the cross beam rod piece is limited and locked through the mortise and tenon structure, so that pre-positioning of the cross beam rod piece and the joint component is achieved, after positioning is completed, the cross beam rod piece is further fixed to the joint component through the locking connecting component, the structural strength and stability of the connecting position are effectively improved, the structure is simple, and the assembling efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a connection device for steel structure nodes. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates, and adopts rust removal and rust prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. Node connection devices are required during the installation of steel structures. Among the existing node components, most of them adopt connection methods such as intersecting nodes or ball nodes. Generally, the ends of the rods are directly connected to the nodes through fasteners, which have low strength and construction efficiency. In addition, the seismic performance of traditional node components is not strong, and the assembly operation is relatively inconvenient. In view of this, in-depth research was conducted on the above-mentioned problems, and this case was generated. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a connection device for a steel structure node, which solves the problems raised in the background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a connection device for a steel structure node, comprising a node component and a crossbeam member, a positioning plug-in component is arranged on the side wall of the node component, a positioning block is welded to one end of the crossbeam member, one end of the positioning block is inserted into the positioning plug-in component, and a locking connection component is arranged on one side of the positioning plug-in component;

[0005] The positioning plug-in component includes: a U-shaped slot, a limit block and an elastic limit piece. The U-shaped slot is welded to the side wall of the node component. The limit block is symmetrically arranged on the inner wall surface of the U-shaped slot. The positioning block is provided with a rectangular notch corresponding to the position of the limit block. A blind hole is provided on the inner side of the limit block. The elastic limit piece is embedded in the blind hole and one end thereof extends out of the blind hole and adheres to the positioning block.

[0006] Preferably, the elastic limiting component includes: a fixed seat, a push spring and a spherical head, the fixed seat is arranged in a blind hole, the push spring is fixed in the blind hole and one end is connected to the fixed seat, the spherical head is slidably arranged in the blind hole and one end is fixedly connected to the compression spring, and an arc-shaped shallow groove is opened on the side wall of the positioning block corresponding to the position of the spherical head.

[0007] Preferably, the locking connection component includes: a mounting seat, a snap-fit ​​fixing piece and a connecting seat, the mounting seat is welded to the side wall of the U-shaped slot, one end of the snap-fit ​​fixing piece is rotatably connected to the mounting seat, and the connecting seat is fixed on the side wall of the U-shaped slot and is symmetrically arranged with the mounting seat.

[0008] Preferably, the clamping fixing member includes: a rotating pin, a clamping plate and a limiting bolt, the rotating pin is rotatably set on the mounting seat, one end of the clamping plate is fixedly connected to the rotating pin, the limiting bolt passes through the other end of the clamping plate and is spirally connected to the connecting seat, and the lower end surface of the clamping plate is in contact with the upper end surface of the positioning block.

[0009] Preferably, a through hole is formed on the side wall of the U-shaped slot, a threaded blind hole is formed on the side wall of the positioning block corresponding to the through hole, a positioning bolt is inserted into the through hole, and one end of the positioning bolt is spirally connected to the threaded blind hole.

[0010] Preferably, the edge positions of the limit blocks all adopt a chamfered structure.

[0011] Beneficial Effects

[0012] The utility model provides a connection device for a steel structure node. It has the following beneficial effects: the connection device for the steel structure node improves the existing node component, and a positioning plug-in component is arranged on the side wall of the node component. The positioning plug-in component adopts a mortise and tenon structure design, and one end of the crossbeam rod is inserted into the positioning plug-in component, and the end of the crossbeam rod is limited and locked by the mortise and tenon structure, so as to realize the pre-positioning of the crossbeam rod and the node component. After the positioning is completed, the crossbeam rod is further fixed to the node component by a locking connection component, so as to effectively improve the structural strength and stability of the connection position, the structure is simple, and the assembly efficiency is high, which solves the problem that in the prior art, the end of the rod is generally directly connected to the node through a fastener, the strength and construction efficiency are low, and the seismic performance of the traditional node component is not strong, and the assembly operation is relatively inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a connection device for a steel structure node described in the utility model.

[0014] Figure 2 This is a schematic diagram of the axonometric structure of a node component of a connection device for a steel structure node described in the utility model.

[0015] Figure 3 This is a schematic diagram of the axonometric structure of a crossbeam member of a connection device for a steel structure node described in the utility model.

[0016] Figure 4 It is a partial side cross-sectional structural schematic diagram of a connection device for a steel structure node described in the utility model.

[0017] Figure 5 It is a schematic diagram of the partially enlarged structure of position a of a connection device of a steel structure node described in the utility model.

[0018] In the figure: 1. Node component; 2. Crossbeam; 3. Positioning block; 4. U-shaped slot; 5. Limiting block; 6. Fixed seat; 7. Push spring; 8. Ball head; 9. Mounting seat; 10. Connecting seat; 11. Rotating pin; 12. Snap-in plate; 13. Limiting bolt; 14. Positioning bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0021] See also Figure 1-5 , the utility model provides a connection device for a steel structure node:

[0022] Embodiment: By the specification attached Figure 1-5 It can be seen that the present scheme includes a node component 1 and a crossbeam member 2, a positioning plug-in component is arranged on the side wall of the node component 1, a positioning block 3 is welded at one end of the crossbeam member 2, one end of the positioning block 3 is inserted into the positioning plug-in component, and a locking connection component is arranged on one side of the positioning plug-in component; the above-mentioned positioning plug-in component includes: a U-shaped card slot 4, a limit card block 5 and an elastic limit member, the U-shaped card slot 4 is welded on the side wall of the node component 1, the limit card block 5 is symmetrically arranged on the inner wall surface of the U-shaped card slot 4, a rectangular notch is opened in the positioning block 3 corresponding to the position of the limit card block 5, a blind hole is opened on the inner side of the limit card block 5, the elastic limit member is embedded in the blind hole and one end extends out of the blind hole and is in contact with the positioning block 3 , the existing node component 1 is improved, a positioning plug-in component is set on the side wall of the node component 1, and a mortise and tenon structure is adopted inside the positioning plug-in component. One end of the crossbeam rod 2 is inserted into the positioning plug-in component, and the rectangular notches on both sides of the positioning block 3 are inserted into the limiting block 5 in the U-shaped slot 4. The end of the crossbeam rod 2 is limited and locked by the mortise and tenon structure, so as to realize the pre-positioning of the crossbeam rod 2 and the node component 1 in cooperation with the pushing action of the elastic limiting member. After the positioning is completed, the crossbeam rod 2 is further fixed to the node component 1 by the locking connection component, so as to effectively improve the structural strength and stability of the connection position, and the structure is simple and the assembly efficiency is high.

[0023] Attached to the instruction manual Figure 1-5It can be known that in the specific implementation process, the elastic limiter includes: a fixed seat 6, a push spring 7 and a spherical head 8. The fixed seat 6 is arranged in a blind hole, the push spring 7 is fixed in the blind hole and one end is connected to the fixed seat 6, the spherical head 8 is slidably arranged in the blind hole and one end is fixedly connected to the compression spring, and an arc-shaped shallow groove is opened on the side wall of the positioning block 3 corresponding to the position of the spherical head 8. When in use, the positioning block 3 at one end of the crossbeam rod 2 is inserted into the U-shaped slot 4, and the rectangular notch on the side of the positioning block 3 is located opposite to the limiting block 5. During the downward pushing process of the positioning block 3, the side of the positioning block 3 squeezes the spherical head 8, thereby causing the push spring 7 at one end of the spherical head 8 to contract, causing the spherical head 8 to retract into the blind hole. When the positioning block 3 moves downward into position, the arc-shaped shallow groove on the side of the positioning block 3 is opposite to the position of the spherical head 8. At this time, the spherical head 8 extends out of the blind hole and is inserted into the arc-shaped shallow groove under the action of the return elastic force of the push spring 7, thereby realizing the pre-positioning and locking of the positioning block 3, and then realizing the positioning connection of the crossbeam rod 2.

[0024] Attached to the instruction manual Figure 1-4 It can be known that in the specific implementation process, the above-mentioned locking connection component includes: a mounting seat 9, a clamping fixture and a connecting seat 10, the mounting seat 9 is welded to the side wall of the U-shaped slot 4, one end of the clamping fixture is rotatably connected to the mounting seat 9, the connecting seat 10 is fixed on the side wall of the U-shaped slot 4 and is symmetrically arranged with the mounting seat 9, wherein the clamping fixture includes: a rotating pin 11, a clamping plate 12 and a limiting bolt 13, the rotating pin 11 is rotatably arranged on the mounting seat 9, one end of the clamping plate 12 is fixedly connected to the rotating pin 11, the limiting bolt 13 passes through the other end of the clamping plate 12 and is connected to the connecting seat 10 is spirally connected, the lower end surface of the clamping plate 12 is in contact with the upper end surface of the positioning block 3. After the positioning block 3 is inserted into the U-shaped clamping groove 4, the clamping plate 12 is pulled so that the clamping plate 12 rotates under the driving action of the rotating pin 11, so that the lower end surface of the clamping plate 12 is in contact with the upper end surface of the positioning block 3, and the other end of the clamping plate 12 is just moved to the top of the connecting seat 10, and the clamping plate 12 and the connecting seat 10 are assembled and connected by the limiting bolt 13, so as to limit and lock the positioning block 3 in the vertical direction, improve the stability of the overall structure, and facilitate the disassembly operation.

[0025] In the specific implementation process, as a preferred setting, a through hole is opened on the side wall of the above-mentioned U-shaped slot 4, and a threaded blind hole is opened on the side wall of the positioning block 3 corresponding to the through hole. A positioning bolt 14 is inserted into the through hole, and one end of the positioning bolt 14 is spirally connected to the threaded blind hole. The positioning block 3 and the U-shaped slot 4 are assembled and connected at the side by the positioning bolt 14, which can effectively improve the connection strength between the positioning block 3 and the U-shaped slot, thereby effectively ensuring the connection stability between the node component 1 and the crossbeam member 2.

[0026] In the specific implementation process, as a preferred setting, the edge positions of the above-mentioned limit block 5 all adopt a chamfered structure, and the positioning block 3 can be smoothly inserted into the U-shaped slot 4, thereby improving the continuity of the assembly operation and improving the operation efficiency.

[0027] In summary, the connection device of the steel structure node improves the existing node component 1, and a positioning plug-in component is set on the side wall of the node component 1. The interior of the positioning plug-in component adopts a mortise and tenon structure design, and one end of the crossbeam rod 2 is inserted into the positioning plug-in component, and the end of the crossbeam rod 2 is limited and locked by the mortise and tenon structure, thereby realizing the pre-positioning of the crossbeam rod 2 and the node component 1. After the positioning is completed, the crossbeam rod 2 is further fixed to the node component 1 by the locking connection component, thereby effectively improving the structural strength and stability of the connection position. The structure is simple and the assembly efficiency is high, which solves the problems in the prior art that the end of the rod is generally directly connected to the node through fasteners, the strength and construction efficiency are low, and the seismic performance of the traditional node component 1 is not strong, and the assembly operation is relatively inconvenient.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connection device for a steel structure node, comprising a node member (1) and a crossbeam member (2), characterized in that: A positioning plug-in component is provided on the side wall of the node component (1); a positioning block (3) is welded to one end of the crossbeam member (2); one end of the positioning block (3) is inserted into the positioning plug-in component; and a locking connection component is provided on one side of the positioning plug-in component; The positioning plug-in component comprises: a U-shaped slot (4), a limit block (5) and an elastic limit piece, wherein the U-shaped slot (4) is welded to the side wall of the node component (1), the limit block (5) is symmetrically arranged on the inner wall surface of the U-shaped slot (4), the positioning block (3) is provided with a rectangular notch corresponding to the position of the limit block (5), the limit block (5) is provided with a blind hole on the inner side, and the elastic limit piece is embedded in the blind hole and one end of the elastic limit piece extends out of the blind hole to abut against the positioning block (3).

2. A connection device for a steel structure node according to claim 1, characterized in that: The elastic limiting component comprises: a fixing seat (6), a push spring (7) and a spherical head (8); the fixing seat (6) is arranged in a blind hole; the push spring (7) is fixed in the blind hole and one end is connected to the fixing seat (6); the spherical head (8) is slidably arranged in the blind hole and one end is fixedly connected to the push spring (7); and an arc-shaped shallow groove is provided on the side wall of the positioning block (3) at a position corresponding to the spherical head (8).

3. A connection device for a steel structure node according to claim 1, characterized in that: The locking connection component comprises: a mounting seat (9), a clamping fixing piece and a connecting seat (10); the mounting seat (9) is welded to the side wall of the U-shaped slot (4); one end of the clamping fixing piece is rotatably connected to the mounting seat (9); and the connecting seat (10) is fixed to the side wall of the U-shaped slot (4) and is symmetrically arranged with the mounting seat (9).

4. A connection device for a steel structure node according to claim 3, characterized in that: The clamping fixing member comprises: a rotating pin (11), a clamping plate (12) and a limiting bolt (13); the rotating pin (11) is rotatably arranged on the mounting seat (9); one end of the clamping plate (12) is fixedly connected to the rotating pin (11); the limiting bolt (13) passes through the other end of the clamping plate (12) and is spirally connected to the connecting seat (10); the lower end surface of the clamping plate (12) is in contact with the upper end surface of the positioning block (3).

5. A connection device for a steel structure node according to claim 1, characterized in that: A through hole is provided on the side wall of the U-shaped slot (4), a threaded blind hole is provided on the side wall of the positioning block (3) at a position corresponding to the through hole, a positioning bolt (14) is inserted into the through hole, and one end of the positioning bolt (14) is spirally connected to the threaded blind hole.

6. A connection device for a steel structure node according to claim 1, characterized in that: The edge positions of the limit clamping blocks (5) all adopt a chamfered structure.

Images