Buckling restrained brace node positioning device and construction method thereof

Abstract

The invention relates to a buckling restrained brace joint positioning device and a construction method thereof.The buckling restrained brace joint positioning device comprises a beam embedded part, a column embedded part, a vertical flange plate, a horizontal flange plate, a joint web, positioning bolts, fixing angle steel and a plane positioner, the joint web is arranged at the top of the beam embedded part, and one side of the joint web abuts against the column embedded part; the vertical flange plate is arranged at the end, away from the column embedded part, of the joint web, the horizontal flange plate is arranged at the end, away from the beam embedded part, of the joint web, the at least two sets of positioning bolts are anchored in the beam component and the column component respectively, and one set of positioning bolts penetrates through the beam embedded part and the horizontal flange plate. The other set of positioning bolts penetrate through the column embedded part and the vertical flange plate, and the plane positioner is arranged at the top of the horizontal flange plate and used for adjusting the horizontal position of the horizontal flange plate. The method has the effects that the positioning precision of the node web is improved, and the connection performance of the support and the component is improved.

Description

Technical Field

[0001] The present application relates to the technical field of support node positioning and installation in building construction, and in particular to a buckling-restrained support node positioning device and a construction method thereof. Background Art

[0002] At present, braces are a common component type in the field of civil engineering and are often used to improve the lateral stiffness of structures. With the advancement of technology in the field of building energy dissipation and shock absorption in my country, buckling-restrained braces (BRBs) and double-order buckling-restrained braces (DBRBs) have also been widely used in shock absorption design and seismic reinforcement. They can achieve hysteretic energy dissipation through metal buckling and significantly improve the seismic performance of structures.

[0003] In order to ensure the force bearing and force transmission performance of the buckling restrained support, it is very important to ensure the accuracy of the support installation. However, during the support construction, due to the dense steel bars of the beam and column components near the node and the accuracy of the on-site construction, the installation of the embedded parts is difficult and the node web positioning is inconvenient. The installation accuracy of the support node is difficult to guarantee, and it is very easy to have problems such as node web deviation, out-of-plane offset, and support length error. Therefore, it is necessary to improve the existing support node construction technology, improve the positioning accuracy of the node web, and improve the connection performance between the support and the component to simplify the embedded parts. Summary of the invention

[0004] In order to improve the positioning accuracy of the node web and enhance the connection performance between the support and the component, the present application provides a buckling restrained support node positioning device and a construction method thereof.

[0005] The present application provides a buckling restraint support node positioning device and a construction method thereof, which adopts the following technical solutions:

[0006] A buckling restraint support node positioning device comprises a beam embedded part, a column embedded part, a vertical flange plate, a horizontal flange plate, a node web plate, positioning bolts, a fixed angle steel, and a plane positioner, wherein the node web plate is arranged at the top of the beam embedded part, and one side of the node web plate is arranged in abutment with the column embedded part, the vertical flange plate is arranged at one end of the node web plate away from the column embedded part, and the horizontal flange plate is arranged at one end of the node web plate away from the beam embedded part, at least two groups of the positioning bolts are respectively anchored in the beam and column components, one group of the positioning bolts penetrates the beam embedded part and the horizontal flange plate, and the other group of the positioning bolts penetrates the column embedded part and the vertical flange plate, and the plane positioner is arranged at the top of the horizontal flange plate to adjust the horizontal position of the horizontal flange plate.

[0007] Preferably: the plane locator includes a positioning piece, an adjusting gear rod and an adjusting clamp, the positioning piece is arranged at the top of the horizontal flange plate and is positioned with the positioning bolt, the adjusting clamp is clamped on both sides of the horizontal flange plate, one end of the adjusting gear rod is rotatably connected to the positioning piece, and the other end is connected to the adjusting clamp teeth, and the horizontal flange plate is moved along the setting direction of the adjusting clamp by rotating the adjusting gear rod.

[0008] Preferably: the vertical flange plate and the horizontal flange plate are penetrated with oblong holes, the positioning bolts are located in the oblong holes, and the positioning bolts are located on both sides of the vertical flange plate and the horizontal flange plate and are provided with adjusting nuts, and the spatial positions of the vertical flange plate and the horizontal flange plate are controlled by adjusting the nuts located on the inner sides of the vertical flange plate and the horizontal flange plate, thereby realizing the adjustment of the spatial position of the node web.

[0009] Preferably, a level bubble is provided on the top of the positioning member for observing the levelness of the horizontal flange plate in real time.

[0010] Preferably, the adjusting fixture comprises a connecting rod and a clamping rod, the clamping rods are respectively sleeved on both ends of the connecting rod, and the clamping rods can move along the setting direction of the connecting rod.

[0011] Preferably: a positioning hole is provided at the top of the connecting rod, a locking bolt is provided at the positioning hole, the locking bolt is threadedly matched with the positioning hole, and the locking bolt is tightened to contact the clamping rod to position the telescopic length of the clamping rod.

[0012] Preferably, the clamping rod comprises a telescopic portion and a clamping portion, one end of the telescopic portion is sleeved in the connecting rod, and the clamping portion is fixedly arranged at the other end of the telescopic portion and can be clamped and cooperated with the horizontal flange plate.

[0013] Preferably, a group of the positioning bolts consists of at least two bolts, and the two positioning bolts are respectively arranged on both sides of the node web.

[0014] Preferably, it also includes a fixed angle steel, which is arranged between the beam embedded parts, the column embedded parts and the node web.

[0015] Also disclosed is a construction method based on the buckling restraint support node positioning device described in any one of the above items, comprising the following steps:

[0016] S1: During the beam and column reinforcement binding stage, complete the installation of positioning screws and beam embedded parts and column embedded parts;

[0017] S2: After the concrete formwork of the beam and column is removed, the horizontal flange plate and the vertical flange plate are respectively installed on the positioning screws of the beam and column components, and the node web is placed in the space surrounded by the horizontal flange plate, the vertical flange plate, the beam embedded parts, and the column embedded parts, and the four sides of the node web are respectively set against the horizontal flange plate, the vertical flange plate, the beam embedded parts, and the column embedded parts;

[0018] S3: Adjust the position of the inner adjusting nut on the positioning screw, adjust the vertical position of the horizontal flange plate and the horizontal position of the vertical flange plate, and after confirming the position, temporarily fix it with the outer bolts without tightening it yet;

[0019] S4: The node web plate and the fixed angle steel, the horizontal flange plate and the vertical flange plate are welded and fixed to form a node plate;

[0020] S5: Install the plane positioner, install the positioning piece on the positioning screw at the top of the horizontal flange plate, adjust the bolt positions on both sides, observe the level bubble on the top of the positioning piece to level the horizontal flange plate, clamp the adjustment fixture on both sides of the horizontal flange plate, and make the teeth between the adjustment gear rod and the adjustment fixture match, and drive the horizontal flange plate to move along the setting direction of the adjustment fixture by rotating the adjustment gear rod, thereby driving the entire node plate to move outside the beam-column plane;

[0021] S6: After the plane position adjustment of the node plate is completed, the plane positioner is removed, the nuts on both sides of the horizontal flange plate and the vertical flange plate are tightened, and the fixed angle steel is temporarily fixed to the beam embedded parts and the column embedded parts by spot welding;

[0022] S7: Before installing the support, it is necessary to check the node plate support position again. If the node plate plane is offset, it is necessary to repeat S5-6 to correct it. After confirmation, complete the complete welding and fixation of the fixed angle steel and beam embedded parts and column embedded parts as well as the support installation.

[0023] In summary, the present application includes at least one of the following beneficial technical effects of a buckling restrained support node positioning device and a construction method thereof:

[0024] 1. The plane positioning device of the present invention can realize accurate positioning in all stages of construction through the positioning screw, and the position of the node plate is determined as early as the reinforcement binding stage, which reduces the difficulty of later verification and makes it less likely for the node plate to deviate during installation;

[0025] 2. The support node positioning device and construction method of the present invention can realize the three-way positioning of the node plate, and the adjustment is simple and convenient. The plane positioner can be reused and has high tolerance for construction errors.

[0026] 3. The support node positioning device of the present invention strengthens the fixation of the node area through the anchoring of the screw rod, reduces the anchoring design requirements for the embedded parts, and can appropriately simplify the embedded parts to cope with the relatively dense node reinforcement area at the end of the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 is a schematic structural diagram showing a horizontal flange plate in the present invention;

[0029] Figure 3 It is a structural schematic diagram showing a positioning member in the present invention;

[0030] Figure 4 It is a structural schematic diagram showing the adjustment gear rod in the present invention;

[0031] Figure 5 is a schematic structural diagram showing an adjusting fixture in the present invention;

[0032] Figure 6 It is a structural schematic diagram showing the arrangement relationship between the clamping rod and the connecting rod in the present invention;

[0033] Figure 7 This is a schematic diagram of the support gusset plate of the present invention after installation;

[0034] Figure 8 This is a schematic diagram of the support node positioning construction of the present invention;

[0035] Fig. 9 It is a plan view of the present invention showing the relationship between the support installation and the support node setting after completion.

[0036] : 1. Beam embedded parts; 2. Column embedded parts; 3. Vertical flange plate; 4. Horizontal flange plate; 5. Node web; 6. Positioning bolt; 7. Fixed angle steel; 8. Plane positioner; 81. Positioning part; 82. Adjusting gear rod; 82a. Gear; 83. Adjusting fixture; 831. Connecting rod; 832. Clamping rod; 8321. Telescopic part; 8322. Clamping part; 83a. Rack; 9. Oblong hole; 10. Rotating hole; 11. Positioning hole; 12. Locking bolt; 13. Level bubble; 15. Support. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiment of the present application clearer, the technical scheme of the embodiment of the present application will be clearly and completely described in conjunction with the drawings of the embodiment of the present application. Obviously, the described embodiment is a part of the embodiment of the present application, not all of the embodiments. Based on the described embodiment of the present application, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of this application.

[0038] Unless otherwise defined, the technical terms or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which this application belongs. The words "one" or "an" and the like used in the patent application specification and claims of this application do not indicate a quantity limitation, but indicate the existence of at least one.

[0039] Reference Figure 1-9 The embodiment of the present application discloses a buckling restrained support node positioning device and a construction method thereof, comprising a beam embedded part 1, a column embedded part 2, a vertical flange plate 3, a horizontal flange plate 4, a node web 5, a positioning bolt 6, a fixed angle steel 7, and a plane positioner 8, wherein the node web 5 is arranged at the top of the beam embedded part 1, and one side of the node web 5 is arranged in contact with the column embedded part 2, the vertical flange plate 3 is arranged at one end of the node web 5 away from the column embedded part 2, the horizontal flange plate 4 is arranged at one end of the node web 5 away from the beam embedded part 1, and a node plate as a whole is formed between the node web 5 and the fixed angle steel 7, the horizontal flange plate 4 and the vertical flange plate 3.

[0040] In this embodiment, at least two groups of positioning bolts 6 are anchored in the beam and column components respectively, one group of positioning bolts 6 is set through the beam embedded part 1 and the horizontal flange plate 4, and the other group of positioning bolts 6 is set through the column embedded part 2 and the vertical flange plate 3.

[0041] The vertical flange plate 3 and the horizontal flange plate 4 are penetrated with oblong holes 9, and the positioning bolts 6 are located in the oblong holes 9, and the positioning bolts 6 are provided with adjustment nuts on both sides of the vertical flange plate 3 and the horizontal flange plate 4. By adjusting the nuts located on the inner sides of the vertical flange plate 3 and the horizontal flange plate 4, the spatial positions of the vertical flange plate 3 and the horizontal flange plate 4 are controlled to achieve the adjustment of the spatial position of the node web 5.

[0042] In this embodiment, a group of positioning bolts 6 is composed of at least two bolts, and the two bolts are respectively arranged on both sides of the node web 5. Specifically, the two bolts passing through the horizontal flange plate 4 and the beam embedded part 1 are respectively arranged on both sides of the node web 5, and the two bolts passing through the vertical flange plate 3 and the column embedded part 2 are respectively arranged on both sides of the node web 5. By adjusting the adjusting nuts on the inner sides of the two bolts, the spatial positions of the vertical flange plate 3 and the horizontal flange plate 4 can be adjusted more accurately. After the spatial position is determined, the outer bolts are used to preliminarily fix them. After the front and rear positions are determined, the bolts on both sides are tightened again to achieve complete fixation of the node plate, thereby achieving adjustment of the spatial position of the node web 5.

[0043] The plane locator 8 is arranged at the top of the horizontal flange plate 4, and is used to adjust the horizontal position of the horizontal flange plate 4, wherein the plane locator 8 includes a locating member 81, an adjusting gear rod 82 and an adjusting clamp 83. The locating member 81 is arranged at the top of the horizontal flange plate 4, and through holes are arranged at both ends of the locating member 81, and the locating bolts 6 pass through the through holes. A protrusion is extended upward from the middle position of the locating member 81, and a rotating hole 10 is formed inwardly on the side of the protrusion. One end of the adjusting gear rod 82 passes through the rotating hole 10 and can rotate along the rotating hole 10. The other end of the adjusting gear rod 82 is formed with a gear 82a along its circumferential direction. The adjusting clamp 83 is clamped on both sides of the horizontal flange plate 4, and a rack 83a is formed on the top of the adjusting clamp 83. The gear 82a and the rack 83a are transmission-connected. The movement of the adjusting clamp is realized by rotating the adjusting gear rod 82, thereby driving the horizontal flange plate 4 to follow the movement of the adjusting clamp 83.

[0044] Specifically, the driving end of the adjusting gear rod 82 is one end that passes through the rotating hole 10, wherein the driving end may be provided with a rotating handwheel for the operator to adjust the force, or a servo motor may be provided at the driving end to achieve precise rotation by cooperating with the servo motor drive control system. The servo motor drive control system belongs to the existing technology and will not be described in detail here.

[0045] In addition, the position of the horizontal flange plate 4 can be adjusted directly by turning the gear 82a.

[0046] The adjusting fixture 83 includes a connecting rod 831 and a clamping rod 832 . The clamping rod 832 is respectively sleeved on both ends of the connecting rod 831 , and the clamping rod 832 can move along the setting direction of the connecting rod 831 .

[0047] The clamping rod 832 includes a telescopic portion 8321 and a clamping portion 8322 . One end of the telescopic portion 8321 is sleeved in the connecting rod 831 , and the clamping portion 8322 is fixedly disposed at the other end of the telescopic portion 8321 and can be clamped and cooperated with the horizontal flange plate 4 .

[0048] A positioning hole 11 is provided at the top of the connecting rod 831, and a locking bolt 12 is provided at the positioning hole 11. The locking bolt 12 is threadedly matched with the positioning hole 11. By tightening the locking bolt 12 and contacting with the telescopic part 8321 of the clamping rod 832, the telescopic length of the clamping rod 832 is positioned.

[0049] A level bubble 13 is provided on the top of the positioning member 81, which is used to observe the horizontality of the horizontal flange plate 4 in real time to assist in leveling the node plate, and can also be used to check the accuracy of construction.

[0050] In addition, the plane locator 8 is a reusable device, which can be disassembled and used for position adjustment of other nodes after completing the plane front and rear position adjustment of the node domain. The plane front and rear position adjustment can be performed during the node plate construction stage and can also be used to correct the support plane deviation during the support installation stage.

[0051] In this embodiment, a fixed angle steel 7 is also provided. Specifically, the fixed angle steel 7 is provided between the beam embedded parts 1, the column embedded parts 2 and the node web 5. The fixed angle steel 7 is mainly used to make up for the gap error between the beam and column embedded parts 2 after the node plate position is adjusted. After the horizontal flange plate 4 and the vertical flange plate 3 are adjusted, the fixed angle steel 7 is welded and fixed to the node web 5 to ensure that the vertical and horizontal coordinates of the node plate no longer change. After the front and rear position adjustment of the beam-column plane is completed, the fixed angle steel 7 is welded to the embedded parts again.

[0052] The present application also discloses a construction method based on the above-mentioned buckling restraint support node positioning device, comprising the following steps:

[0053] S1: During the beam-column reinforcement binding stage, complete the installation of positioning screws and beam embedded parts 1 and column embedded parts 2;

[0054] S2: After the beam and column concrete is demolded, the horizontal flange plate 4 and the vertical flange plate 3 are respectively installed on the positioning screws of the beam and column components, and the node web plate 5 is placed in the space surrounded by the horizontal flange plate 4, the vertical flange plate 3, the beam embedded part 1, and the column embedded part 2, and the four sides of the node web plate 5 are respectively set against the horizontal flange plate 4, the vertical flange plate 3, the beam embedded part 1, and the column embedded part 2;

[0055] S3: Adjust the position of the inner adjusting nut on the positioning screw, adjust the vertical position of the horizontal flange plate 4 and the horizontal position of the vertical flange plate 3, and after confirming the position, temporarily fix them with the outer bolts without tightening them temporarily;

[0056] S4: welding and fixing the node web 5, the fixed angle steel 7, the horizontal flange plate 4 and the vertical flange plate 3 to form a node plate;

[0057] S5: Install the plane positioner 8, install the positioning piece 81 on the positioning screw at the top of the horizontal flange plate 4, adjust the positions of the bolts on both sides, observe the level bubble 13 on the top of the positioning piece 81 to level the horizontal flange plate 4, clamp the adjustment fixture 83 on both sides of the horizontal flange plate 4, and make the teeth of the adjustment gear rod 82 and the adjustment fixture 83 match, and drive the horizontal flange plate 4 to move along the setting direction of the adjustment fixture 83 by rotating the adjustment gear rod 82, thereby driving the entire node plate to move outside the beam-column plane;

[0058] S6: After the plane position adjustment of the node plate is completed, the plane positioner 8 is removed, the nuts on both sides of the horizontal flange plate 4 and the vertical flange plate 3 are tightened, and the fixed angle steel 7 is temporarily fixed to the beam embedded part 1 and the column embedded part 2 by spot welding;

[0059] S7: Before installing the support, it is necessary to check the node plate support position again. If the node plate plane is offset, it is necessary to repeat S5-6 to correct it. After confirmation, complete the complete welding and fixation of the fixed angle steel 7 and the beam embedded parts 1 and column embedded parts 2, and install the support 15.

[0060] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A buckling restrained support node positioning device, characterized in that: It includes beam embedded parts, column embedded parts, vertical flange plates, horizontal flange plates, node webs, positioning bolts, fixed angle steels, and plane positioners. The node webs are arranged on the tops of the beam embedded parts, and one side of the node webs is arranged in contact with the column embedded parts. The vertical flange plates are arranged at one end of the node webs away from the column embedded parts, and the horizontal flange plates are arranged at one end of the node webs away from the beam embedded parts. At least two groups of positioning bolts are anchored in the beam and column components respectively, one group of positioning bolts penetrates the beam embedded parts and the horizontal flange plates, and the other group of positioning bolts penetrates the column embedded parts and the vertical flange plates. The plane positioner is arranged on the top of the horizontal flange plate and is used for adjusting the horizontal position of the horizontal flange plate.

2. A buckling restrained brace node positioning device according to claim 1, characterized in that: The plane locator includes a positioning piece, an adjusting gear rod and an adjusting clamp. The positioning piece is arranged at the top of the horizontal flange plate and is positioned with the positioning bolt. The adjusting clamp is clamped on both sides of the horizontal flange plate. One end of the adjusting gear rod is rotatably connected to the positioning piece, and the other end is connected to the adjusting clamp teeth. By rotating the adjusting gear rod, the horizontal flange plate is moved along the setting direction of the adjusting clamp.

3. A buckling restrained brace node positioning device according to claim 2, characterized in that: The vertical flange plate and the horizontal flange plate are penetrated with oblong holes, the positioning bolts are located in the oblong holes, and the positioning bolts are provided with adjustment nuts on both sides of the vertical flange plate and the horizontal flange plate. By adjusting the nuts located on the inner sides of the vertical flange plate and the horizontal flange plate, the spatial positions of the vertical flange plate and the horizontal flange plate are controlled to achieve adjustment of the spatial position of the node web.

4. A buckling restrained brace node positioning device according to claim 3, characterized in that: A level bubble is arranged on the top of the positioning member for observing the levelness of the horizontal flange plate in real time.

5. A buckling restrained brace node positioning device according to claim 4, characterized in that: The adjusting fixture comprises a connecting rod and a clamping rod. The clamping rods are respectively sleeved on both ends of the connecting rod, and the clamping rods can move along the setting direction of the connecting rod.

6. A buckling restrained brace node positioning device according to claim 5, characterized in that: A positioning hole is provided at the top of the connecting rod, and a locking bolt is provided at the positioning hole. The locking bolt is threadedly matched with the positioning hole. By tightening the locking bolt to contact the clamping rod, the telescopic length of the clamping rod is positioned.

7. A buckling restrained brace node positioning device according to claim 6, characterized in that: The clamping rod comprises a telescopic portion and a clamping portion. One end of the telescopic portion is sleeved in the connecting rod, and the clamping portion is fixedly arranged at the other end of the telescopic portion and can be clamped and matched with the horizontal flange plate.

8. The buckling restrained brace node positioning device according to claim 1, characterized in that: A group of the positioning bolts consists of at least two bolts, and the two positioning bolts are respectively arranged on both sides of the node web.

9. A buckling restrained brace node positioning device according to claim 1, characterized in that: It also includes a fixed angle steel, which is arranged between the beam embedded parts, the column embedded parts and the node web.

10. A construction method based on the buckling restrained support node positioning device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: During the beam and column reinforcement binding stage, complete the installation of positioning screws and beam embedded parts and column embedded parts; S2: After the concrete formwork of the beam and column is removed, the horizontal flange plate and the vertical flange plate are respectively installed on the positioning screws of the beam and column components, and the node web is placed in the space surrounded by the horizontal flange plate, the vertical flange plate, the beam embedded parts, and the column embedded parts, and the four sides of the node web are respectively set against the horizontal flange plate, the vertical flange plate, the beam embedded parts, and the column embedded parts; S3: Adjust the position of the inner adjusting nut on the positioning screw, adjust the vertical position of the horizontal flange plate and the horizontal position of the vertical flange plate, and after confirming the position, temporarily fix it with the outer bolts without tightening it yet; S4: The node web plate and the fixed angle steel, the horizontal flange plate and the vertical flange plate are welded and fixed to form a node plate; S5: Install the plane positioner, install the positioning piece on the positioning screw at the top of the horizontal flange plate, adjust the bolt positions on both sides, observe the level bubble on the top of the positioning piece to level the horizontal flange plate, clamp the adjustment fixture on both sides of the horizontal flange plate, and make the teeth between the adjustment gear rod and the adjustment fixture match, and drive the horizontal flange plate to move along the setting direction of the adjustment fixture by rotating the adjustment gear rod, thereby driving the entire node plate to move outside the beam-column plane; S6: After the plane position adjustment of the node plate is completed, the plane positioner is removed, the nuts on both sides of the horizontal flange plate and the vertical flange plate are tightened, and the fixed angle steel is temporarily fixed to the beam embedded parts and the column embedded parts by spot welding; S7: Before installing the support, it is necessary to check the node plate support position again. If the node plate plane is offset, it is necessary to repeat S5-6 to correct it. After confirmation, complete the complete welding and fixation of the fixed angle steel and beam embedded parts and column embedded parts as well as the support installation.

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