Assembly type concrete structure beam column connecting joint

Abstract

The utility model belongs to the field of building structures, and provides an assembly type concrete structure beam column connecting joint. An upper section column joint end plate is fixed at the bottom end of the upper section column, an upper section column longitudinal bar is pre-buried in the upper section column, the upper section column longitudinal bar is fixedly connected with the upper section column joint end plate, and an upper section column joint side plate fixedly sleeves the outer side of the upper section column; a lower section column joint end plate is fixed at the top end of the lower section column, a lower section column longitudinal bar is embedded in the lower section column, the lower section column longitudinal bar is fixedly connected with the lower section column joint end plate, a lower section column joint side plate fixedly sleeves the outer side of the lower section column, and the lower section column joint side plate is welded and fixed with the upper section column joint side plate. According to the connection node, the column end connectors are additionally arranged at the upper and lower column ends, and the upper and lower column ends can be connected in a welding mode on site. Meanwhile, arrangement of steel bars in a core area is omitted, and construction of connecting joints is facilitated. All the components can be machined in factories, the quality is reliable, the whole connecting process is controllable, and inspection and detection are easy after construction is completed.

Description

Technical Field

[0001] The utility model belongs to the field of building structures, and particularly relates to a beam-column connection node of a precast concrete structure. Background Technique

[0002] In precast structures, the connection between precast columns and precast beams is very common, and its reliability is very important.

[0003] In the existing connection nodes between precast columns and precast beams, the upper and lower columns generally adopt reinforced grouting sleeves for connection, and the beams adopt shear key grooves for shear resistance. However, the process of reinforced grouting sleeves is cumbersome and the construction difficulty is large, and the construction is concealed construction, the construction quality is greatly affected by humans, the inspection is difficult, and the reliability is not high; there are many steel bars in the beam-column core area, and in order to facilitate construction, the column steel bars often need to avoid the core area, which has an adverse impact on seismic resistance; the shear key grooves have high requirements for construction quality, resulting in the situation that the construction quality often does not meet the standards. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the utility model provides a beam-column connection node of a precast concrete structure, which can solve the above problems.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a beam-column connection node of a precast concrete structure, including;

[0006] An upper column, at the bottom end of which an upper column joint end plate is fixed, upper column longitudinal bars are embedded in the upper column, the upper column longitudinal bars are fixedly connected with the upper column joint end plate, and an upper column joint side plate is fixedly sleeved outside the upper column;

[0007] A lower column, at the top end of which a lower column joint end plate is fixed, lower column longitudinal bars are embedded in the lower column, the lower column longitudinal bars are fixedly connected with the lower column joint end plate, and a lower column joint side plate is fixedly sleeved outside the lower column, and the lower column joint side plate is fixedly welded with the upper column joint side plate.

[0008] Preferably, filling concrete is provided between the upper column joint end plate and the lower column joint end plate, the upper half of the filling concrete is located inside the upper column joint side plate, and the lower half of the filling concrete is located inside the lower column joint side plate.

[0009] Preferably, it further includes a first frame beam, at one end of which a frame beam joint end plate is fixed, a frame beam joint side plate is fixedly sleeved outside the first frame beam, frame beam longitudinal bars are embedded in the first frame beam, the frame beam longitudinal bars are fixedly connected with the frame beam joint end plate, and the frame beam joint side plate is simultaneously fixedly welded with the lower column joint side plate and the upper column joint side plate.

[0010] Preferably, grouting holes are provided on the side plates of the upper column joint.

[0011] Preferably, it further includes a second frame beam, in which second bottom longitudinal bars of the beam, second top longitudinal bars of the beam, top lapping steel plates of the beam, and bottom lapping steel plates of the beam are embedded. The second bottom longitudinal bars of the beam are fixedly connected to the bottom lapping steel plates of the beam, the second top longitudinal bars of the beam are fixedly connected to the top lapping steel plates of the beam, the top lapping steel plates of the beam are fixed to the side plates of the upper column joint, and the bottom lapping steel plates of the beam are fixed to the side plates of the lower column joint.

[0012] Preferably, it further includes shear keys. Upper openings are provided on opposite side walls of the side plates of the upper column joint, and lower openings are provided on opposite side walls of the side plates of the lower column joint. The upper openings and the lower openings on the same side together form shear key openings. The shear keys are embedded in the filled concrete, and both ends of the shear keys extend into the two second frame beams on both sides through the shear key openings on both sides respectively.

[0013] Preferably, it further includes a third frame beam, in which third top longitudinal bars of the beam and third bottom longitudinal bars of the beam are embedded. Upper openings are provided on opposite side walls of the side plates of the upper column joint, and lower openings are provided on opposite side walls of the side plates of the lower column joint. The upper openings and the lower openings on the same side together form through openings. The third top longitudinal bars of the third frame beam on the left are fixedly connected to the third top longitudinal bars of the third frame beam on the right through the through openings, and the third bottom longitudinal bars of the third frame beam on the left are fixedly connected to the third bottom longitudinal bars of the third frame beam on the right through the through openings.

[0014] Preferably, the third frame beam includes a precast section and a cast-in-place section. The third top longitudinal bars of the beam are embedded in the cast-in-place section, and the third bottom longitudinal bars of the beam are embedded in the precast section.

[0015] Preferably, the longitudinal bars of the upper column are fixedly connected to the end plates of the upper column joint by means of plug welding through holes or mechanical sleeves.

[0016] Preferably, the longitudinal bars of the lower column are fixedly connected to the end plates of the lower column joint by means of plug welding through holes or mechanical sleeves.

[0017] Preferably, the longitudinal bars of the upper column are welded to the side plates of the upper column joint, and the longitudinal bars of the lower column are welded to the side plates of the lower column joint.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] 1. The beam-column connection joint of the precast concrete structure provided by the utility model, in which the joint end plate and the joint side plate together form the column end joint. By adding the column end joint at the upper and lower column ends, the connection of the upper and lower column ends can be completed by welding on-site, and at the same time, the steel bar setting in the core area is cancelled, which is convenient for the construction of the connection joint.

[0020] 2. The beam-column connection joint of the precast concrete structure provided by the utility model, all its components can be processed in the factory, with reliable quality, the connection process is fully controllable, and it is easy to inspect and detect after construction. It has obvious advantages in terms of reliability, construction convenience and modular fabrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a front view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 1 of the utility model;

[0022] Figure 2 is a sectional view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 1 of the utility model;

[0023] Figure 3 is Figure 1 a sectional view structural schematic diagram at AA in

[0024] Figure 4 is Figure 1 a sectional view structural schematic diagram at BB in

[0025] Figure 5 is a front view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 2 of the utility model;

[0026] Figure 6 is a sectional view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 2 of the utility model;

[0027] Figure 7 is a front view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 3 of the utility model;

[0028] Figure 8 is a sectional view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 3 of the utility model;

[0029] Figure 9 is a side view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 3 of the utility model;

[0030] Figure 10 is a front view structural schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 4 of the utility model;

[0031] Figure 11 A sectional structure schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 4 of the present utility model;

[0032] Figure 12 A side view structure schematic diagram of a beam-column connection joint of a precast concrete structure provided in Embodiment 4 of the present utility model.

[0033] In the drawings, the list of components represented by each reference numeral is as follows:

[0034] 1. Upper column; 2. Lower column; 3. Side plate of upper column joint; 4. Side plate of lower column joint; 5. Longitudinal reinforcement of upper column; 6. End plate of upper column joint; 7. Longitudinal reinforcement of lower column; 8. End plate of lower column joint; 9. Filled concrete;

[0035] 10. First frame beam; 11. End plate of frame beam joint; 12. Side plate of frame beam joint; 13. Longitudinal reinforcement of frame beam; 14. Grouting hole;

[0036] 20. Second frame beam; 21. Bottom longitudinal reinforcement of second beam; 22. Top longitudinal reinforcement of second beam; 23. Steel plate for top beam reinforcement; 24. Steel plate for bottom beam reinforcement; 25. Shear key; 26. Shear key hole;

[0037] 30. Prefabricated section; 31. Top longitudinal reinforcement of third beam; 32. Bottom longitudinal reinforcement of third beam; 33. Through hole; 34. Cast-in-place section. Detailed implementation manners

[0038] The present utility model will be further described in detail below with reference to specific embodiments, so that those skilled in the art can understand the present utility model more clearly.

[0039] It should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" in the terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrally formed structure. For those of ordinary skill in the art, the specific meanings of such terms in this patent can be understood according to specific situations.

[0040] Embodiment 1

[0041] Referring to Figures 1-4 , this embodiment provides a beam-column connection joint of a precast concrete structure, including;

[0042] The upper column 1 has an upper column joint end plate 6 fixed to its bottom end. Upper column longitudinal bars 5 are embedded in the upper column 1. The upper column longitudinal bars 5 cooperate with other steel bars to jointly form a steel reinforcement cage, and the upper column longitudinal bars 5 are fixedly connected to the upper column joint end plate 6. An upper column joint side plate 3 is fixedly sleeved outside the upper column 1, and the inner wall of the upper column joint side plate 3 is fixedly attached to the outer wall of the upper column 1. The upper column joint end plate 6 and the upper column joint side plate 3 are both steel plates.

[0043] The lower column 2 has a lower column joint end plate 8 fixed to its top end. Lower column longitudinal bars 7 are embedded in the lower column 2. The lower column longitudinal bars 7 cooperate with other steel bars to jointly form a steel reinforcement cage, and the lower column longitudinal bars 7 are fixedly connected to the lower column joint end plate 8. A lower column joint side plate 4 is fixedly sleeved outside the lower column 2, and the inner wall of the lower column joint side plate 4 is fixedly attached to the outer wall of the lower column 2. The lower column joint end plate 8 and the lower column joint side plate 4 are both steel plates.

[0044] The top end of the lower column joint side plate 4 extends above the top end of the lower column 2, and the bottom end of the upper column joint side plate 3 extends below the bottom end of the upper column 1. The top end of the lower column joint side plate 4 is aligned with the bottom end of the upper column joint side plate 3 and is welded and fixed.

[0045] Based on the above structure, the upper column joint is jointly formed by the upper column joint end plate 6 and the upper column joint side plate 3, and the lower column joint is jointly formed by the lower column joint end plate 8 and the lower column joint side plate 4. The connection between the upper column 1 and the lower column 2 can be completed by welding on site, and at the same time, the steel bar arrangement in the core area is cancelled, which is convenient for the construction of the connection node.

[0046] Among them, when the strength of the steel pipe structure in the joint area meets the requirements, concrete may not be poured in the core area. When the strength of the steel pipe structure in the joint area does not meet the requirements, a filled concrete 9 may be provided between the upper column joint end plate 6 and the lower column joint end plate 8. The upper half of the filled concrete 9 is located inside the upper column joint side plate 3, and the lower half of the filled concrete 9 is located inside the lower column joint side plate 4.

[0047] The upper column longitudinal bars 5 and the upper column joint end plate 6 can be fixedly connected by means of plug welding through holes or mechanical sleeves. The lower column longitudinal bars 7 and the lower column joint end plate 8 can be fixedly connected by means of plug welding through holes or mechanical sleeves.

[0048] In some other embodiments, the upper column longitudinal bars 5 can be welded and fixed to the upper column joint side plate 3, and the lower column longitudinal bars 7 can be welded and fixed to the lower column joint side plate 4.

[0049] It should be noted that the cross-section of the precast column is not limited to rectangular. When other cross-sectional shapes are adopted, the joint steel members are adjusted according to the specific shape and size of the column.

[0050] Embodiment 2

[0051] See Figures 5-6 , on the basis of Embodiment 1, the connection node provided in this embodiment further includes a first frame beam 10, and the first frame beam 10 is provided on both sides of the filled concrete 9.

[0052] One end of the first frame beam 10 close to the filled concrete 9 is fixed with a frame beam joint end plate 11. Frame beam longitudinal bars 13 are embedded in the first frame beam 10. The frame beam longitudinal bars 13 cooperate with other steel bars to jointly form a steel reinforcement cage, and the frame beam longitudinal bars 13 are fixedly connected to the frame beam joint end plate 11. A frame beam joint side plate 12 is fixedly sleeved on the outside of the first frame beam 10. The frame beam joint end plate 11 and the frame beam joint side plate 12 are both steel plates.

[0053] The frame beam joint end plate 11 is simultaneously attached and fixed to the lower column joint side plate 4 and the upper column joint side plate 3, and the frame beam joint side plate 12 is simultaneously welded and fixed to the lower column joint side plate 4 and the upper column joint side plate 3.

[0054] Among them, a grouting hole 14 is provided on the upper column joint side plate 3.

[0055] Based on the above structure, the construction steps of the connection node provided in this embodiment may include the following process:

[0056] The first step: Process the upper column joint side plate 3, the lower column joint side plate 4, the upper column joint end plate 6, and the lower column joint end plate 8 according to the dimensions and mechanical requirements of the precast column, and open the grouting hole 14 according to the design drawing;

[0057] The second step: Assemble the above components into the upper column joint and the lower column joint;

[0058] The third step: Connect the upper column longitudinal bars 5 (lower column longitudinal bars 7) and the upper column joint end plate 6 (lower column joint end plate 8) by means of perforated plug welding or mechanical sleeves;

[0059] The fourth step: Process the precast column to complete the precast column with column joints;

[0060] The fifth step: Process the frame beam joint side plate 12 and the frame beam joint end plate 11 according to the dimensions and mechanical requirements of the first frame beam 10, and assemble the above components into the frame beam joint;

[0061] The sixth step: Connect the frame beam longitudinal bars 13 and the frame beam joint by means of perforated plug welding or mechanical sleeves;

[0062] The seventh step: Process the first frame beam 10 to complete the first frame beam 10 with beam joints;

[0063] The eighth step: Complete the installation of the lower column 2, hoist the upper column 1, and connect the upper column joint side plate 3 and the lower column joint side plate 4 by welding;

[0064] Step 9: After the first frame beam 10 is hoisted in place, weld the frame beam joint side plate 12 to the corresponding column joint side plate to complete the beam-column connection;

[0065] Step 10: After pouring the concrete in the joint core area, seal the grouting hole 14.

[0066] In summary, for the connection node provided in this embodiment, the steel bar grouting sleeve connection with poor reliability and the keyway connection with secondary pouring are changed to a welding connection with higher reliability. All its components are processed in the factory with reliable quality, the connection process is fully controllable, and it is easy to inspect and detect after construction. It has obvious advantages in terms of reliability, construction convenience, and modular production.

[0067] In some other embodiments, the first frame beam 10 can also be a cast-in-place concrete beam. Sleeves or steel bars are reserved on the processed frame beam joint. After on-site hoisting and welding are completed, connect the beam longitudinal bars to the reserved sleeves or steel bars, and then complete the remaining binding process and pour the concrete.

[0068] Embodiment 3

[0069] See Figures 7-9 , on the basis of Embodiment 1, the connection node provided in this embodiment further includes a second frame beam 20. The second frame beams 20 are provided on both sides of the filled concrete 9. The second frame beam 20 is embedded with a second bottom beam longitudinal bar 21, a second top beam longitudinal bar 22, a top beam lapping steel plate 23, and a bottom beam lapping steel plate 24.

[0070] The second bottom beam longitudinal bar 21 and the second top beam longitudinal bar 22 cooperate with other steel bars to jointly form a steel reinforcement cage. The second bottom beam longitudinal bar 21 is fixedly connected to the bottom beam lapping steel plate 24, the second top beam longitudinal bar 22 is fixedly connected to the top beam lapping steel plate 23, the top beam lapping steel plate 23 is fixed to the upper column joint side plate 3, and the bottom beam lapping steel plate 24 is fixed to the lower column joint side plate 4.

[0071] The connection node provided in this embodiment further includes a shear key 25. Upper openings are provided on opposite side walls of the upper column joint side plate 3, and lower openings are provided on opposite side walls of the lower column joint side plate 4. The upper opening and the lower opening on the same side jointly form a shear key hole 26. The shear key 25 is embedded in the filled concrete 9, and both ends of the shear key 25 extend into the second frame beams 20 on both sides through the shear key holes 26 on both sides respectively.

[0072] Based on the above structure, the construction steps of the connection node provided in this embodiment can include the following process:

[0073] The first step: Process the upper column joint side plate 3, the lower column joint side plate 4, the upper column joint end plate 6, and the lower column joint end plate 8 according to the prefabricated column size and mechanical requirements, and open the shear key hole 26 according to the size of the shear key 25 required by the design drawing;

[0074] The second step: Assemble the above components into the upper column joint and the lower column joint;

[0075] The third step: Connect the upper column longitudinal reinforcement 5 (lower column longitudinal reinforcement 7) and the upper column joint end plate 6 (lower column joint end plate 8) by means of perforated plug welding or mechanical sleeves;

[0076] The fourth step: Process the prefabricated column to complete the prefabricated column with column joints, and process and install the top beam reinforcement steel plate 23 and the bottom beam reinforcement steel plate 24 according to the reinforcement and cross-section of the second frame beam 20;

[0077] The fifth step: Complete the installation of the lower column 2 and place the shear key 25;

[0078] The sixth step: Hoist the upper column 1 and connect the upper column joint side plate 3 and the lower column joint side plate 4 by welding;

[0079] The seventh step: Weld the second top beam longitudinal reinforcement 22 and the second bottom beam longitudinal reinforcement 21 to the top beam reinforcement steel plate 23 and the bottom beam reinforcement steel plate 24 respectively;

[0080] The eighth step: Complete the steel bar binding in other areas, temporarily fix the shear key 25 and then pour the concrete in the joint core area (filled concrete 9) and the concrete in other areas.

[0081] In summary, the connection node provided in this embodiment can be provided with a shear key 25 as needed to improve the shear bearing capacity at the beam end. Its components are all processed in the factory with reliable quality, the connection process is fully controllable, and it is easy to inspect and detect after construction. It has obvious advantages in terms of reliability, construction convenience and modular fabrication.

[0082] In some other embodiments, the shear key 25 can be cancelled when the self-shear bearing capacity of the concrete passing through the shear key hole 26 meets the calculation requirements.

[0083] In some other embodiments, the second frame beam 20 can also be a precast concrete beam.

[0084] Embodiment 4

[0085] Refer to Figures 10-12 , on the basis of Embodiment 1, the connection node provided in this embodiment further includes a third frame beam, and third frame beams are provided on both sides of the filled concrete 9. The third frame beam is embedded with a third top beam longitudinal reinforcement 31 and a third bottom beam longitudinal reinforcement 32, and the third top beam longitudinal reinforcement 31 and the third bottom beam longitudinal reinforcement 32 cooperate with other steel bars to jointly form a steel reinforcement cage.

[0086] Upper column joint side plates 3 are provided with upper openings on both opposite side walls, and lower column joint side plates 4 are provided with lower openings on both opposite side walls. The upper openings and the lower openings on the same side together form a through opening 33. The third top longitudinal bars 31 of the left third frame beam are fixedly connected to the third top longitudinal bars 31 of the right third frame beam through the through opening 33, and the third bottom longitudinal bars 32 of the left third frame beam are fixedly connected to the third bottom longitudinal bars 32 of the right third frame beam through the through opening 33.

[0087] Among them, the third frame beam includes a precast section 30 and a cast-in-place section 34. The third top longitudinal bars 31 are embedded in the cast-in-place section 34, and the third bottom longitudinal bars 32 are embedded in the precast section 30.

[0088] Based on the above structure, for the connection node provided in this embodiment, its construction steps may include the following process:

[0089] The first step: Process the upper column joint side plates 3, lower column joint side plates 4, upper column joint end plates 6, and lower column joint end plates 8 according to the dimensions and mechanical requirements of the precast columns, and open openings on the upper column joint side plates 3 and lower column joint side plates 4 according to the beam cross-sectional dimensions.

[0090] The second step: Assemble the above components into the upper column joint and the lower column joint.

[0091] The third step: Connect the upper column longitudinal bars 5 (lower column longitudinal bars 7) and the upper column joint end plates 6 (lower column joint end plates 8) by means of plug welding through holes or mechanical sleeves.

[0092] The fourth step: Process the precast columns to complete the precast columns with column joints.

[0093] The fifth step: Complete the installation of the lower column 2.

[0094] The sixth step: Place the precast section 30 on the lower column joint end plate 8 and complete the connection of the third bottom longitudinal bars 32 of the two precast sections 30 on both sides.

[0095] The seventh step: Bind the third top longitudinal bars 31 and other steel bars to complete the construction of the steel reinforcement cage.

[0096] The eighth step: Hoist the upper column 1 and connect the upper column joint side plates 3 and the lower column joint side plates 4 by welding.

[0097] The ninth step: Pour the concrete in the beam-column joint area (filled concrete 9) and other parts of the concrete to complete the node connection.

[0098] In summary, the connection node provided in this embodiment can place the beam on the end plate of the column joint, greatly improving its shear resistance. All its components are processed in the factory with reliable quality, the connection process is fully controllable, and it is easy to inspect and detect after construction. It has obvious advantages in terms of reliability, construction convenience, and modular fabrication.

[0099] In some other embodiments, it is not necessary to place a part of the precast segment 30 on the end plate 8 of the lower column joint, and other structures such as shear key grooves that provide shear bearing capacity can also be used.

[0100] In some other embodiments, the third frame beam can also be a cast-in-place concrete beam, and placing a part of the beam precast segment 30 on the end plate 8 of the lower column joint can be changed to formwork and pour the beam concrete.

[0101] In some other embodiments, the connection between the bottom longitudinal bars 32 of the third beams on both sides can also adopt the form of anchoring the bottom bars at the beam-column joint.

[0102] The mechanisms, components, and parts not described in detail in the present utility model are existing structures that already exist in the prior art and can be directly purchased from the market.

[0103] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, specific orientation structure, and operation. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0104] The above are only the preferred implementation schemes of the present utility model and are not used to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A prefabricated concrete structure beam-column connection node, characterized in that: include: An upper column (1) has an upper column joint end plate (6) fixed at its bottom end, an upper column longitudinal reinforcement (5) is pre-buried in the upper column (1), the upper column longitudinal reinforcement (5) is fixedly connected to the upper column joint end plate (6), and an upper column joint side plate (3) is fixedly sleeved on the outer side of the upper column (1); A lower column (2) has a lower column joint end plate (8) fixed to its top end, a lower column longitudinal rib (7) pre-buried in the lower column (2), the lower column longitudinal rib (7) being fixedly connected to the lower column joint end plate (8), a lower column joint side plate (4) being fixedly sleeved on the outer side of the lower column (2), the lower column joint side plate (4) being fixedly welded to the upper column joint side plate (3).

2. The assembled concrete structure beam-column connection node according to claim 1, characterized in that: Filling concrete (9) is provided between the upper column joint end plate (6) and the lower column joint end plate (8), the upper half of the filling concrete (9) is located on the inner side of the upper column joint side plate (3), and the lower half of the filling concrete (9) is located on the inner side of the lower column joint side plate (4).

3. The assembled concrete structure beam-column connection node according to claim 2, characterized in that: It also includes a first frame beam (10), one end of which is fixed with a frame beam joint end plate (11), the first frame beam (10) is pre-buried with frame beam longitudinal reinforcement (13), the frame beam longitudinal reinforcement (13) is fixedly connected to the frame beam joint end plate (11), the outer side of the first frame beam (10) is fixedly sleeved with a frame beam joint side plate (12), and the frame beam joint side plate (12) is simultaneously welded and fixed to the lower column joint side plate (4) and the upper column joint side plate (3).

4. The assembled concrete structure beam-column connection node according to claim 3, characterized in that: The upper column joint side plate (3) is provided with a grouting hole (14).

5. The assembled concrete structure beam-column connection node according to claim 2, characterized in that: The invention also comprises a second frame beam (20), wherein the second frame beam (20) is pre-buried with a second beam bottom longitudinal reinforcement (21), a second beam top longitudinal reinforcement (22), a beam top lap reinforcement steel plate (23), and a beam bottom lap reinforcement steel plate (24), wherein the second beam bottom longitudinal reinforcement (21) is fixedly connected to the beam bottom lap reinforcement steel plate (24), the second beam top longitudinal reinforcement (22) is fixedly connected to the beam top lap reinforcement steel plate (23), the beam top lap reinforcement steel plate (23) is fixed to the upper column joint side plate (3), and the beam bottom lap reinforcement steel plate (24) is fixed to the lower column joint side plate (4).

6. The assembled concrete structure beam-column connection node according to claim 5, characterized in that: It also includes a shear key (25), wherein the upper column joint side plate (3) is provided with an upper opening on both opposite side walls, and the lower column joint side plate (4) is provided with a lower opening on both opposite side walls, wherein the upper opening and the lower opening on the same side together form a shear key opening (26), wherein the shear key (25) is pre-embedded in the filling concrete (9), and the two ends of the shear key (25) extend into the second frame beams (20) on both sides respectively through the shear key openings (26) on both sides.

7. The assembled concrete structure beam-column connection node according to claim 2, characterized in that: The invention also comprises a third frame beam, wherein the third frame beam is pre-embedded with a third beam top longitudinal rib (31) and a third beam bottom longitudinal rib (32); upper openings are provided on opposite side walls of the upper column joint side plate (3); lower openings are provided on opposite side walls of the lower column joint side plate (4); the upper openings and the lower openings on the same side together form a through opening (33); the third beam top longitudinal rib (31) of the third frame beam on the left side is fixedly connected to the third beam top longitudinal rib (31) of the third frame beam on the right side through the through opening (33); the third beam bottom longitudinal rib (32) of the third frame beam on the left side is fixedly connected to the third beam bottom longitudinal rib (32) of the third frame beam on the right side through the through opening (33).

8. The assembled concrete structure beam-column connection node according to claim 7, characterized in that: The third frame beam comprises a prefabricated section (30) and a cast-in-place section (34); the third beam top longitudinal reinforcement (31) is pre-buried in the cast-in-place section (34); and the third beam bottom longitudinal reinforcement (32) is pre-buried in the prefabricated section (30).

9. The assembled concrete structure beam-column connection node according to claim 1, characterized in that: The upper column longitudinal reinforcement (5) and the upper column joint end plate (6) are fixedly connected by means of perforated plug welding or mechanical sleeves, and the lower column longitudinal reinforcement (7) and the lower column joint end plate (8) are fixedly connected by means of perforated plug welding or mechanical sleeves.

10. The assembled concrete structure beam-column connection node according to claim 1, characterized in that: The upper column longitudinal reinforcement (5) is welded to the upper column joint side plate (3), and the lower column longitudinal reinforcement (7) is welded to the lower column joint side plate (4).

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