Adjustable energy dissipation connecting device of fabricated building beam-column joint

Abstract

The utility model belongs to the adjustable energy dissipation connecting technical field of building beam column node, specifically is a kind of adjustable energy dissipation connecting device of fabricated building beam column node, including prefabricated beam;The lower part of prefabricated beam is equipped with prefabricated column;The inside of prefabricated beam and prefabricated column is provided with groove;The bottom of prefabricated beam is fixedly connected with upper connecting plate;The top of prefabricated column is fixedly connected with lower connecting plate;Friction plate is equipped between the upper connecting plate and lower connecting plate;Matrix connection has connecting bolt between prefabricated beam and prefabricated column;The both ends of connecting bolt are equipped with strong spring, and be located in the groove of prefabricated beam and prefabricated column;The both ends of connecting bolt are threadedly connected with lock nut, and be located at the end of strong spring;Through the above structure, the overall carrying capacity is improved by collaborative design, the node buckling resistance can be enhanced, and the overall structure can be made more firm and stable by the self-deformation auxiliary energy dissipation.

Description

Technical Field

[0001] This utility model belongs to the field of adjustable energy-dissipating connection technology for beam-column joints in buildings, specifically an adjustable energy-dissipating connection device for beam-column joints in prefabricated buildings. Background Technology

[0002] The development of adjustable energy-dissipating connection devices for beam-column joints in prefabricated buildings is based on the development needs of the prefabricated building industry, making the overall structure more robust and providing earthquake resistance and buffering characteristics.

[0003] Traditional nodes often suffer from poor ductility and low lateral stiffness, making them prone to severe damage in the node area under seismic loading, which can even lead to structural collapse and dangerous situations.

[0004] Therefore, this utility model provides an adjustable energy-consuming connection device for beam-column joints in prefabricated buildings. Utility Model Content

[0005] To overcome the shortcomings of existing technologies and solve at least one of the problems mentioned in the background art, an adjustable energy-dissipating connection device for beam-column joints in prefabricated buildings is proposed.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: An adjustable energy-dissipating connection device for beam-column joints in prefabricated buildings, comprising a precast beam; a precast column is provided below the precast beam; grooves are formed inside the precast beam and the precast column; an upper connecting plate is fixedly connected to the bottom of the precast beam; a lower connecting plate is fixedly connected to the top of the precast column; a friction plate is provided between the upper and lower connecting plates; connecting bolts are matrix-connected between the precast beam and the precast column; strong springs are provided at both ends of the connecting bolts and are located within the grooves of the precast beam and the precast column; locking nuts are threaded to both ends of the connecting bolts and are located at the ends of the strong springs; through collaborative design, the overall load-bearing capacity is improved, enhancing the buckling resistance of the joint, and also assisting in energy dissipation through its own deformation, making the overall structure more robust and stable.

[0007] Preferably, the bottom of the upper connecting plate and the top of the lower connecting plate are provided with buffer grooves; fixed plates are distributed in a matrix inside the buffer grooves; auxiliary springs are provided between the multiple fixed plates; and support springs are provided between the central fixed plates of the buffer grooves; these can cooperate with the connecting structure to achieve a stabilizing effect through interaction forces, making the beam and column more robust and the connection more precise.

[0008] Preferably, the bottom of the upper connecting plate and the top of the lower connecting plate are provided with limiting grooves, which are located on one side of the buffer groove; double rod clamps are symmetrically arranged inside the limiting grooves, and are located within the limiting grooves of the upper and lower connecting plates; a connecting column is provided between the upper and lower connecting plates, and is located between the double rod clamps; this has a buffering effect, which can make the position between the connecting plates more precise, so that the energy of the earthquake repositioning can be dissipated through friction, and the friction coefficient can be adjusted by the spring preload, so that stable repositioning can be performed.

[0009] Preferably, a reinforcing frame is provided in the groove of the precast beam and the precast column, and is located on one side of the connecting bolt; a reinforcing groove is provided on the top of the reinforcing frame; a reinforcing rod is embedded in the inside of the reinforcing groove; this allows the connecting bolts to be uniformly reinforced, and by increasing the support area, the connection between the two is more secure, without preventing the operation of the connecting device.

[0010] Preferably, the sidewalls of the connecting bolts are provided with a matrix of supporting and reinforcing plates, which are located inside the precast beam, the upper connecting plate, the groove, and the lower connecting plate; the supporting and reinforcing plates are provided with spacer grooves; the connecting bolts can be reinforced, the stress-bearing area can be increased, and they can maintain long-term operation and have excellent connection processing capabilities.

[0011] Preferably, the top of the reinforcing frame is provided with a pad, which is located at the end of the strong spring; the side wall of the pad is provided with anti-slip texture; this increases the contact area, provides firm support for the connecting bolts, and prevents loosening due to long-term operation.

[0012] Preferably, an outer waterproof layer is provided between the upper connecting plate and the lower connecting plate, and is located on one side of the friction plate; it has a waterproof effect, and can prevent water from entering the interior and corroding the connecting mechanism without affecting the connecting mechanism.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The adjustable energy-dissipating connection device for beam-column joints in prefabricated buildings described in this utility model can connect prefabricated beams and prefabricated columns through connecting bolts. The upper and lower connecting plates can improve the stability of the connection, and the cooperating strong springs can provide elastic support, making the connection between the prefabricated beams and prefabricated columns more secure and providing a buffering effect. Through collaborative design, the overall load-bearing capacity is improved, the buckling resistance of the joint is enhanced, and the energy dissipation is assisted by its own deformation, making the overall structure more robust and stable.

[0015] 2. The adjustable energy-dissipating connection device for beam-column joints in prefabricated buildings described in this utility model can be supported by a fixed plate, and then, through the cooperation of an auxiliary spring and a support spring, and with the action of a strong spring, the two work together to achieve a more stable connection; it can be used in conjunction with the connection structure to achieve a stabilizing effect through interaction forces, making the beam and column more robust and the connection more precise. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is an internal schematic diagram of the precast beams and precast columns in this utility model;

[0019] Figure 3 This is a schematic diagram of the connection structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the limiting structure in this utility model;

[0021] Figure 5 This is a schematic diagram of the support structure in this utility model.

[0022] In the diagram: 11. Precast beam; 12. Precast column; 13. Trench; 14. Upper connecting plate; 15. Lower connecting plate; 16. Friction plate; 17. Connecting bolt; 18. Strong spring; 19. Locking nut; 21. Buffer groove; 22. Fixing plate; 23. Auxiliary spring; 24. Support spring; 31. Limiting groove; 32. Double rod clamp; 33. Connecting column; 41. Reinforcing frame; 42. Reinforcing groove; 43. Reinforcing rod; 51. Supporting reinforcing plate; 52. Spacing groove; 61. Gasket; 62. Anti-slip texture; 71. Outer waterproof membrane. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] like Figures 1 to 5As shown in the figure, an adjustable energy-consuming connection device for a prefabricated building beam-column joint according to an embodiment of the present invention includes a prefabricated beam 11; a prefabricated column 12 is provided below the prefabricated beam 11; grooves 13 are opened inside the prefabricated beam 11 and the prefabricated column 12; an upper connecting plate 14 is fixedly connected to the bottom of the prefabricated beam 11; a lower connecting plate 15 is fixedly connected to the top of the prefabricated column 12; a friction plate 16 is provided between the upper connecting plate 14 and the lower connecting plate 15; connecting bolts 17 are matrix-connected between the prefabricated beam 11 and the prefabricated column 12; strong springs 18 are provided at both ends of the connecting bolts 17 and are provided in the grooves 13 of the prefabricated beam 11 and the prefabricated column 12; locking nuts 19 are threadedly connected to both ends of the connecting bolts 17 and are provided at the ends of the strong springs 18; When connecting building beams during operation, the precast beam 11 and precast column 12 can be fixed and supported by the upper connecting plate 14 and the lower connecting plate 15, connected by connecting bolts 17, and locked by locking nuts 19. The strong spring 18 can provide elastic support, making the connection between the precast beam 11 and the precast column 12 more stable and buffering, making the overall structure more robust. The friction plate 16 can provide filling, and the friction material can make the connection more airtight. Through the above structure, the overall load-bearing capacity is improved through collaborative design, the buckling resistance of the nodes is enhanced, and the energy is dissipated through its own deformation, making the overall structure more robust and stable.

[0026] like Figure 2 and Figure 5 As shown, buffer grooves 21 are provided at the bottom of the upper connecting plate 14 and the top of the lower connecting plate 15; fixed plates 22 are distributed in a matrix inside the buffer grooves 21; auxiliary springs 23 are provided between the multiple fixed plates 22; and support springs 24 are provided between the central fixed plates 22 of the buffer grooves 21. During operation, the fixed plates 22 can be used for fixed support, and the auxiliary springs 23 and support springs 24 can cooperate with the strong springs 18 on the connecting structure to provide mutual support through elastic forces. Through the above structure, it can cooperate with the connecting structure to provide stability through interaction forces, making the beam and column more robust and the connection more precise.

[0027] like Figure 4As shown, limiting grooves 31 are formed at the bottom of the upper connecting plate 14 and the top of the lower connecting plate 15, and are located on one side of the buffer groove 21; double rod clamps 32 are symmetrically arranged inside the limiting grooves 31, and are located within the limiting grooves 31 of the upper connecting plate 14 and the lower connecting plate 15; a connecting post 33 is provided between the upper connecting plate 14 and the lower connecting plate 15, and is located between the double rod clamps 32; during operation, the double rod clamps 32 can be installed in the limiting grooves 31, and then limited by the connecting post 33 between the upper connecting plate 14 and the lower connecting plate 15, which can make the overall structure operate more stably; through the above structure, a buffering effect is achieved, which can make the position between the connecting plates more precise, so that the energy of the earthquake repositioning is dissipated by friction, and the friction coefficient can be adjusted by the spring preload, which can perform stable repositioning.

[0028] like Figure 2 and Figure 3 As shown, a reinforcing frame 41 is provided in the groove 13 of the precast beam 11 and the precast column 12, and is located on one side of the connecting bolt 17; a reinforcing groove 42 is provided on the top of the reinforcing frame 41; a reinforcing rod 43 is embedded in the reinforcing groove 42; during operation, the bearing area can be increased by the reinforcing frame 41, and the reinforcing rod 43 is embedded in the reinforcing groove 42, making the reinforcing frame 41 more robust as a whole, and making the connection of the connecting bolt 17 more secure; through the above structure, the connecting bolt 17 can be uniformly reinforced, and by increasing the support area, the connection between the two is more secure, and it will not prevent the operation of the connecting device.

[0029] like Figures 2 to 5 As shown, support and reinforcement plates 51 are distributed in a matrix on the side wall of the connecting bolt 17, and are located inside the precast beam 11, the upper connecting plate 14, the groove 13, and the lower connecting plate 15; the support and reinforcement plates 51 are provided with spacer slots 52; during operation, the support and reinforcement plates 51 can be used for reinforcement, which increases the stress area of ​​the connecting bolt 17, and the spacer slots 52 between them make the structure more stable; through the above structure, the connecting bolt 17 can be reinforced, the stress area can be increased, and it can maintain excellent connection processing capability for a long time.

[0030] like Figures 2 to 5 As shown, the top of the reinforcing frame 41 is provided with a pad 61, which is located at the end of the strong spring 18; the side wall of the pad 61 is provided with anti-slip texture 62; during operation, the pad 61 can make the connection of the connecting bolt 17 more secure, and with the anti-slip texture 62, the locking nut 19 will not loosen; through the above structure, the contact area is increased, the connecting bolt 17 can be firmly supported, and the loosening caused by long-term operation can be prevented.

[0031] like Figure 1 and Figure 2As shown, an outer waterproof plate 71 is provided between the upper connecting plate 14 and the lower connecting plate 15, and is located on one side of the friction plate 16. During operation, the outer waterproof plate 71 can provide a barrier to prevent external moisture from entering and protect the internal structure from water erosion and damage. Through the above structure, a waterproof effect is achieved, preventing water from entering the interior and eroding the connecting mechanism without affecting the connection mechanism.

[0032] Working principle: During operation, when connecting building beams, the precast beam 11 and precast column 12 can be fixedly supported by the upper connecting plate 14 and the lower connecting plate 15, connected by connecting bolts 17, and locked by locking nuts 19. The strong spring 18 provides elastic support, making the connection between the precast beam 11 and precast column 12 more stable and providing a buffering effect, making the overall structure more robust. The friction plate 16 provides filling, and the friction material ensures a better seal during connection. The fixed plate 22 can also provide fixed support, and the auxiliary spring 23 and the support spring 24, in conjunction with the strong spring 18 on the connecting structure, can work together to provide mutual support of elastic forces. The double-bar clamp 32 can be installed on the limit... Within the slot 31, the connecting column 33 between the upper connecting plate 14 and the lower connecting plate 15 provides a limiting effect, making the overall structure more stable. The reinforcing frame 41 increases the stress area, and the reinforcing rod 43 is embedded in the reinforcing groove 42, making the reinforcing frame 41 more robust and the connecting bolt 17 more secure. The supporting reinforcing plate 51 provides reinforcement, increasing the stress area of ​​the connecting bolt 17, and the spacer groove 52 between them makes the structure more stable. The gasket 61 makes the connecting bolt 17 more secure, and the anti-slip texture 62 prevents the locking nut 19 from loosening. The outer waterproof plate 71 provides a barrier, preventing external moisture from entering and protecting the internal structure from water erosion and damage.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable energy dissipation connection device of a fabricated building beam-column joint, comprising a prefabricated beam (11); characterized in that: A precast column (12) is provided below the precast beam (11); a groove (13) is provided inside the precast beam (11) and the precast column (12); an upper connecting plate (14) is fixedly connected to the bottom of the precast beam (11); a lower connecting plate (15) is fixedly connected to the top of the precast column (12); a friction plate (16) is provided between the upper connecting plate (14) and the lower connecting plate (15); a connecting bolt (17) is matrix-connected between the precast beam (11) and the precast column (12); a strong spring (18) is provided at both ends of the connecting bolt (17) and is located in the groove (13) of the precast beam (11) and the precast column (12); a locking nut (19) is threaded to both ends of the connecting bolt (17) and is located at the end of the strong spring (18).

2. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 1, wherein: The bottom of the upper connecting plate (14) and the top of the lower connecting plate (15) are provided with buffer grooves (21); fixed plates (22) are distributed in a matrix inside the buffer grooves (21); auxiliary springs (23) are provided between the multiple fixed plates (22); and support springs (24) are provided between the central fixed plates (22) of the buffer grooves (21).

3. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 2, wherein: The bottom of the upper connecting plate (14) and the top of the lower connecting plate (15) are provided with limiting grooves (31), and are located on one side of the buffer groove (21); the limiting grooves (31) are symmetrically provided with double rod clamps (32), and are located in the limiting grooves (31) of the upper connecting plate (14) and the lower connecting plate (15); the upper connecting plate (14) and the lower connecting plate (15) are provided with connecting posts (33), and are located between the double rod clamps (32).

4. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 3, wherein: The precast beam (11) and the precast column (12) are provided with a reinforcing frame (41) in the groove (13) and are located on one side of the connecting bolt (17); a reinforcing groove (42) is provided on the top of the reinforcing frame (41); a reinforcing rod (43) is embedded in the inside of the reinforcing groove (42).

5. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 1, wherein: The sidewall of the connecting bolt (17) is matrix-distributed with support and reinforcement plates (51), which are located inside the precast beam (11), the upper connecting plate (14), the groove (13), and the lower connecting plate (15); the support and reinforcement plates (51) are provided with spacer grooves (52).

6. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 4, wherein: The top of the reinforcing frame (41) is provided with a pad (61) and is located at the end of the strong spring (18); the side wall of the pad (61) is provided with anti-slip texture (62).

7. The adjustable energy dissipation connection device of a fabricated building beam-column joint according to claim 1, wherein: An outer waterproof plate (71) is provided between the upper connecting plate (14) and the lower connecting plate (15), and is located on one side of the friction plate (16).

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