Splicing joint of concrete beam and steel beam

Abstract

The invention discloses a concrete beam and steel beam splicing joint, and relates to the technical field of splicing joints, the concrete beam and steel beam splicing joint comprises first foundation bolts arranged at the top and the end part of a concrete beam, a first connecting plate connected to the top of the concrete beam, and a second foundation bolt arranged at the top of the concrete beam in a penetrating manner, the foundation nut is locked with the first foundation bolt in a threaded manner; the second foundation bolt is in threaded connection with a connecting nut; the second connecting plate is perpendicular to the first connecting plate, a connecting opening allowing the second foundation bolt to slide up and down is formed in the bottom of the second connecting plate, the foundation bolt at the end of the concrete beam penetrates through the second connecting plate, and the connecting nut and the second foundation bolt are locked in a threaded mode. The steel beam, the second connecting plate and related clamping plates are manufactured in a factory in a unified mode, only bolt connection is needed on site, and the construction difficulty and cost can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of splicing nodes, and in particular to a splicing node between a concrete beam and a steel beam. Background Art

[0002] Rivers and other water environments often extend out to viewing platforms, which are a design method that combines waterscape with cultural landscape. It not only enhances the viewing value of the water environment, but also provides tourists with a rich water-friendly experience.

[0003] At present, when a viewing platform is built, it is usually necessary to extend a support beam on the bank of a river channel. The support beam is located at the bottom of the viewing platform, and the viewing platform is supported by the support beam.

[0004] However, when constructing the support beam, the traditional construction method requires setting up scaffolding on the river channel to construct the support beam. However, this method is difficult to operate in a water environment and has high safety risks. Summary of the invention

[0005] In order to reduce the difficulty of construction, the present application provides a splicing node between a concrete beam and a steel beam.

[0006] The present application provides a concrete beam and steel beam splicing node, which adopts the following technical solution: A concrete beam and steel beam splicing node, comprising A first anchor bolt is arranged on the top of the concrete beam, and an anchor nut is threadedly connected to the first anchor bolt; A first connecting plate is abutted against the top of the concrete beam, and the first anchor bolt is passed through the first connecting plate; A second anchor bolt is arranged at the end of the concrete beam, and a connecting nut is threadedly connected to the second anchor bolt; A second connecting plate is connected to the first connecting plate and is perpendicular to the first connecting plate, and the steel beam is arranged on a side of the second connecting plate away from the first anchor bolt; The second connecting plate abuts against the side wall of the concrete beam, and is formed with a through hole for the second anchor bolt to pass through. A connecting port is formed at the bottom of the second connecting plate for the second anchor bolt to slide up and down, and the connecting port is connected to the through hole.

[0007] By adopting the above technical solution, the splicing node between the concrete beam and the steel beam is designed by combining the first anchor bolt, the first connecting plate, the second anchor bolt and the second connecting plate, so as to realize the splicing node setting between the concrete beam and the steel beam, and then fix the steel beam on the second connecting plate to realize the stable connection between the concrete beam and the steel beam, which greatly reduces the construction difficulty and cost. In addition, the setting of the first anchor bolt and the anchor nut ensures the close fit between the first connecting plate and the top of the concrete beam, and provides stable support at the same time. The second anchor bolt and the connecting nut realize the reliable connection between the second connecting plate and the side wall of the concrete beam, allowing the second connecting plate to slide up and down in the connecting port, so that the second connecting plate can fit on the side wall of the concrete beam.

[0008] Optionally, the splicing node further includes a raised portion, the raised portion is arranged on the top of the concrete beam, and the first anchor bolt is passed through the raised portion.

[0009] By adopting the above technical solution, the setting of the padding portion allows the first anchor bolt to be installed at a higher position, thereby adjusting the distance between the first connecting plate and the top of the concrete beam. This design allows the steel beam and the concrete beam to be on the same horizontal plane, so that the force of the steel beam can be better transmitted to the second connecting plate.

[0010] Optionally, a connecting plate is slidably provided on the second anchor bolt, and the connecting plate is located between the connecting nut and the second connecting plate.

[0011] By adopting the above technical solution, the connection pad can provide additional buffer and support between the connection nut and the second connection plate. When the connection nut is tightened, the connection pad can disperse the pressure and reduce the possibility of damage to the second connection plate due to excessive local pressure. At the same time, the connection pad can also increase the contact area between the connection nut and the second connection plate, improving the stability and reliability of the connection.

[0012] Optionally, a mounting block is provided on the second anchor bolt, and the wall of the through hole is adapted to the outer wall of the mounting block; A control sleeve is slidably connected to the mounting block, and the control sleeve is slidably sleeved on the outer peripheral side of the second anchor bolt and is coaxially arranged; The end of the control sleeve is connected to the connecting nut on one side close to the second connecting plate; The mounting block is provided with a driving assembly, and when the mounting block passes through the connecting port and enters the penetration hole, the driving assembly drives the control sleeve to rotate, and at this time, the connecting nut moves toward the second connecting plate; When the first connecting plate abuts against the top of the concrete beam and the second anchor bolt is located in the penetration hole, the connecting nut abuts against the connecting pad.

[0013] By adopting the above technical solution, the combined design of the mounting block, the control sleeve and the drive assembly realizes the automatic tightening function of the connecting nut. When the mounting block passes through the connection port and enters the penetration hole, the drive assembly drives the control sleeve to rotate, thereby driving the connecting nut to move toward the second connecting plate to achieve automatic tightening. This design simplifies the installation process and improves installation efficiency. At the same time, it ensures that the tightening force of the connecting nut is consistent, and improves the stability and safety of the connection.

[0014] Optionally, the driving assembly includes a driving sleeve, a connecting rack, a driving gear and a driving rack; The driving sleeve is arranged on the outer peripheral side of the control sleeve and rotates in the mounting block. The driving sleeve is provided with a linkage member, the linkage member links the control sleeve and the control sleeve slides on the driving sleeve along the circumferential direction; The connecting rack is circumferentially arranged on the outer peripheral side of the driving sleeve, the driving gear rotates in the mounting block, and the driving gear is meshed with the connecting rack; The driving rack is arranged on the wall of the through hole and the side wall of the connecting port, and the side wall of the mounting block is formed with a sliding groove for the driving rack to slide up and down, and part of the driving gear protrudes into the sliding groove, and the driving gear is meshed with the driving rack.

[0015] By adopting the above technical solution, the driving assembly realizes the rotation of the control sleeve and the automatic tightening of the connecting nut through the cooperation of the driving sleeve, the connecting rack, the driving gear and the driving rack. The cooperation between the driving sleeve and the connecting rack enables the control sleeve to slide and rotate in the circumferential direction, while the meshing of the driving gear and the driving rack ensures the stability and accuracy of the rotation of the control sleeve. This design enables the driving assembly to efficiently and accurately complete the tightening of the connecting nut.

[0016] Optionally, the linkage member is a linkage block, which is arranged on the inner peripheral side wall of the driving sleeve, and a linkage groove extending axially and for the linkage block to slide is formed on the outer peripheral side of the control sleeve.

[0017] By adopting the above technical solution, the linkage block as a linkage part can cooperate with the linkage groove on the control sleeve to realize the circumferential sliding of the control sleeve. This design allows the control sleeve to remain stable during rotation, reducing the possibility of affecting the tightening effect due to shaking or offset. At the same time, the cooperation between the linkage block and the linkage groove can also provide additional support and limit functions, ensuring the stability and reliability of the control sleeve during rotation.

[0018] Optionally, a power column is slidably connected in the mounting block, and the power column is perpendicular to the second anchor bolt; The side wall of the power column is provided with a power rack, and the power rack is meshed with the connecting rack; The power column is slidably connected and coaxially provided with a plug-in column, and the plug-in column slides on the mounting block; The power column is provided with an elastic power piece, and the elastic power piece drives the plug-in column to protrude outside the power column; The through hole wall is formed with an inserting groove for the inserting column to be inserted.

[0019] By adopting the above technical solution, the combined design of the power column, power rack, plug-in column and elastic power member realizes the automatic positioning and locking function of the mounting block. When the mounting block enters the through hole, the power rack engages with the connecting rack to drive the power column and the plug-in column to slide. Under the action of the elastic power member, the plug-in column protrudes out of the power column and is inserted into the plug-in groove of the through hole wall, realizing the automatic positioning and locking of the mounting block.

[0020] Optionally, the plug-in column is inclined away from the power column and has a pushing surface symmetrically formed up and down. When the plug-in column is inserted into the plug-in slot, the pushing surface abuts against the edge of the slot.

[0021] By adopting the above technical solution, the push surface formed by the inclined and vertically symmetrical plug-in column facilitates the control of the plug-in column to be separated from the plug-in slot, thereby reducing the difficulty of disassembling the second connecting plate.

[0022] Optionally, the elastic power member is a power spring, and the power spring is installed in the power column. The power spring pushes the plug-in column to protrude outside the power column.

[0023] By adopting the above technical solution, the power spring as an elastic power part can provide a stable thrust to ensure that the plug-in column can automatically protrude out of the power column when no external force is applied. This design allows the plug-in column to be ready to be inserted into the plug-in slot at any time, improving the flexibility and convenience of installation. At the same time, the elasticity and recovery of the power spring can also ensure that the plug-in column can still maintain a good working condition after multiple uses, extending the service life of the splicing node.

[0024] In summary, the present application includes at least one of the following beneficial effects: 1. The splicing node between the concrete beam and the steel beam is designed by combining the first anchor bolt, the first connecting plate, the second anchor bolt and the second connecting plate to realize the splicing node setting between the concrete beam and the steel beam, and then the steel beam is fixed on the second connecting plate to realize the stable connection between the concrete beam and the steel beam, which greatly reduces the construction difficulty. ; 2. The combined design of the mounting block, control sleeve and drive assembly realizes the automatic tightening function of the connecting nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the external structure of the first embodiment of the present application; Figure 2 is a schematic diagram of the internal cross-section of Embodiment 1 of the present application; Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the present application; Figure 4 is a schematic diagram of the internal cross-section of the second connecting plate in the second embodiment of the present application; Figure 5 yes Figure 4 A magnified schematic diagram of part A; Figure 6 is a schematic diagram of the internal cross-section of the mounting block in the second embodiment of the present application; Figure 7 yes Figure 6 An enlarged schematic diagram of part B.

[0026] Figure numerals: 1. first anchor bolt; 11. anchor nut; 2. first connecting plate; 3. second anchor bolt; 31. connecting nut; 4. second connecting plate; 41. through hole; 411. plug-in slot; 42. connecting port; 5. raising portion; 6. connecting pad; 7. mounting block; 71. control sleeve; 711. linkage slot; 72. slide slot; 8. driving assembly; 81. driving sleeve; 811. linkage block; 82. connecting rack; 83. driving gear; 84. driving rack; 9. power column; 91. power rack; 92. plug-in column; 921. pushing surface; 93. power spring. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-7 This application is described in further detail.

[0028] An embodiment of the present application discloses a splicing node between a concrete beam and a steel beam.

[0029] Embodiment 1 See also Figure 1 The inventor of the present application found that during the construction of the support beam of the viewing platform, the traditional construction method is to add a bracket, such as a scaffold, on the river channel to construct the support beam through the bracket. However, this method is difficult to operate in a water environment and has high safety risks. To this end, the present application mainly adopts the following scheme for the splicing node of a concrete beam and a steel beam: comprising a first anchor bolt 1, a first connecting plate 2, a second anchor bolt 3 and a second connecting plate 4, which reduces the difficulty of construction and improves the stability and reliability of the splicing node. The present application is further described in detail below.

[0030] See also Figure 1 and Figure 2, a concrete beam and steel beam splicing node provided in an embodiment of the present application includes a first anchor bolt 1, a first connecting plate 2, a second anchor bolt 3, a second connecting plate 4 and a connecting port 42, wherein the first anchor bolt 1 is embedded and fixed in the concrete beam and protrudes upward to the top of the concrete beam. There are multiple first anchor bolts 1 and they are evenly spaced. In the embodiment of the present application, there are four first anchor bolts 1 and they are distributed in a "mouth" shape. An anchor nut 11 is threadedly connected to the first anchor bolt 1, and each first anchor bolt 1 has one or more anchor nuts 11. In the embodiment of the present application, each first anchor bolt 1 has two anchor nuts 11.

[0031] See also Figure 1 The joint of the concrete beam and the steel beam further includes a raised portion 5, which is formed by pouring concrete, so that the raised portion 5 and the concrete beam form an integrated structure. The raised portion 5 is fixed to the top of the concrete beam, and the first anchor bolt 1 passes through the raised portion 5, and the first anchor bolt 1 protrudes out of the raised portion 5 in a direction away from the concrete beam. Specifically, the raised portion 5 can be a right-angle ladder block structure, and the vertical side wall of the raised portion 5 close to the river channel is in the same vertical plane as the vertical side wall of the concrete beam close to the river channel.

[0032] The first connecting plate 2 is placed against the top of the raised portion 5, and the vertical side wall of the first connecting plate 2 close to the river channel is in the same vertical plane as the vertical side wall of the raised portion 5 close to the river channel. The first anchor bolt 1 passes through the first connecting plate 2, and then the anchor nut 11 is rotated until the lowest anchor nut 11 is pressed against the top of the first connecting plate 2, and adjacent anchor nuts 11 are pressed against each other to fix the first connecting plate 2. In order to improve the connection stability of the first connecting plate 2, a connecting washer can be provided between the lowest anchor nut 11 and the first connecting plate 2. In order to improve stability, the raised portion 5, the first connecting plate 2, the first anchor bolt 1 and the anchor nut 11 can be formed into an integrated structure by pouring concrete.

[0033] The second anchor bolt 3 is embedded and fixed in the concrete beam and penetrates to the outside of the concrete beam in the direction of the river channel. There are two second anchor bolts 3 and they are arranged at intervals in the horizontal direction. The second anchor bolt 3 is perpendicular to the first anchor bolt 1. A connecting nut 31 is threadedly connected to the second anchor bolt 3. Each first anchor bolt 1 has one or more anchor nuts 11. In the embodiment of the present application, each first anchor bolt 1 has two anchor nuts 11.

[0034] The second connecting plate 4 is fixedly connected to the side wall of the first connecting plate 2 close to the river channel, and the first connecting plate 2 and the second connecting plate 4 are connected by welding or detachable connection to ensure the connection strength. The second connecting plate 4 is perpendicular to the first connecting plate 2, and the steel beam is welded and fixed to the side wall of the second connecting plate 4 away from the first anchor bolt 1, and the top end surface of the steel beam is in the same horizontal plane as the top end surface of the concrete beam.

[0035] The second connecting plate 4 abuts against the vertical side wall of the concrete beam close to the river channel, and is formed with a through hole 41, through which the second anchor bolt 3 passes and corresponds one to one, and the through hole 41 is located away from the first connecting plate 2. A connecting port 42 is formed at the bottom of the second connecting plate 4, and the second anchor bolt 3 can slide up and down in the connecting port 42. The connecting port 42 corresponds one to one with the through hole 41, and the connecting port 42 extends upward to communicate with the through hole 41. When the second connecting plate 4 slides downward along the vertical side wall of the concrete beam, the second anchor bolt 3 can slide into the connecting port 42 and enter the through hole 41.

[0036] The second anchor bolt 3 is threadedly connected with a connecting nut 31. Each second anchor bolt 3 has one or more connecting nuts 31. In the embodiment of the present application, each second anchor bolt 3 has two connecting nuts 31. A connecting pad 6 is slidably penetrated through the second anchor bolt 3. The connecting pad 6 corresponds to the second anchor bolt 3 one by one. The connecting pad 6 is located between the second connecting plate 4 and the connecting nut 31. When the first connecting plate 2 and the second connecting plate 4 are respectively abutted against the concrete beam, the second anchor bolt 3 is located in the penetration hole 41. At this time, the connecting nut 31 is rotated to press the connecting pad 6 against the side wall of the second connecting plate 4 to fix the second connecting plate 4. The connecting pad 6 has a certain elasticity and is usually made of metal materials such as stainless steel, copper, and aluminum.

[0037] The implementation principle of a concrete beam and steel beam splicing node in the first embodiment of the present application is: During construction, the steel beam can be welded and fixed on the second connecting plate 4 on the river bank or in the factory, and the distance between the top of the steel beam and the bottom of the first connecting plate 2 is equal to the height of the padding portion 5. Then, after the second connecting plate 4 is abutted against the vertical side wall of the concrete beam close to the river channel, the first connecting plate 2 and the second connecting plate 4 are slid downward so that the first anchor bolt 1 passes through the first connecting plate 2 and the second anchor bolt 3 enters the penetration hole 41. Finally, the anchor nut 11 and the connecting nut 31 are rotated respectively to fix the first connecting plate 2 and the second connecting plate 4 on the concrete beam, and then the water platform can be set up on the steel beam, and the steel beam supports the water platform.

[0038] Embodiment 2 See also Figure 3 and Figure 4The difference between the second embodiment of the present application and the first embodiment is that: the second anchor bolt 3 is fixedly connected with a mounting block 7, and the mounting block 7 is fixedly connected to the concrete beam. The mounting block 7 is a square block structure, and the thickness of the mounting block 7 is less than the thickness of the second connecting plate 4. The shape of the through hole 41 is a square hole structure, and the through hole 41 is adapted to the mounting block 7. In the second embodiment of the present application, the number of the connecting nut 31 is one.

[0039] Specifically, a control hole is formed in the middle of the mounting block 7, and the central axis of the control hole coincides with the central axis of the second anchor bolt 3. The mounting block 7 is provided with a control sleeve 71, which slides axially in the control hole. The control sleeve 71 protrudes out of the control hole and is fixedly connected to the side of the connecting nut 31 close to the second connecting plate 4. The inner diameter of the control sleeve 71 is greater than or equal to the outer diameter of the second anchor bolt 3, and the control sleeve 71 is slidably sleeved on the outer peripheral side of the second anchor bolt 3 and is coaxially arranged. When the control sleeve 71 rotates, it drives the connecting nut 31 to rotate, so that the connecting nut 31 is close to the second connecting plate 4, and at this time, the control sleeve 71 slides in the control hole toward the concrete beam.

[0040] See also Figure 3 and Figure 5 The mounting block 7 is provided with a driving assembly 8. When the mounting block 7 passes through the connecting port 42 and enters the penetration hole 41, the driving assembly 8 drives the control sleeve 71 to rotate. At this time, the connecting nut 31 moves toward the second connecting plate 4, so that when the first connecting plate 2 abuts against the top of the concrete beam and the second anchor bolt 3 is located in the penetration hole 41, the connecting nut 31 abuts against the connecting pad 6 to realize the connection and fixation of the second connecting plate 4 to the concrete beam, which is beneficial to reduce the difficulty of connecting the second connecting plate 4 to the concrete beam and improve the safety of the connection.

[0041] The driving assembly 8 includes a driving sleeve 81, a connecting rack 82, a driving gear 83 and a driving rack 84. Specifically, the driving sleeve 81 is sleeved on the outer peripheral side of the control sleeve 71, and the driving sleeve 81 rotates in the mounting block 7. The driving sleeve 81 is provided with a linkage member, which links the control sleeve 71 and drives the control sleeve 71 to slide in the circumferential direction on the driving sleeve 81. The linkage member is a linkage block 811, which is fixed on the inner peripheral side wall of the driving sleeve 81 and close to the connection pad 6. A linkage groove 711 is formed on the outer peripheral side of the control sleeve 71, and the linkage groove 711 extends along the central axis direction of the control sleeve 71. The linkage block 811 slides in the linkage groove 711. When the driving sleeve 81 rotates, the linkage block 811 drives the control sleeve 71 to rotate, and when the control sleeve 71 slides in the driving sleeve 81 along the axial direction, the linkage block 811 slides in the linkage groove 711.

[0042] See also Figure 6 and Figure 7The connecting rack 82 is fixedly connected to the outer peripheral side of the driving sleeve 81, the connecting rack 82 is connected in the first position and extends in the circumferential direction, and the connecting rack 82 is rotatably connected in the mounting block 7. The driving gear 83 rotates in the mounting block 7, and the driving gear 83 is meshed with the connecting rack 82. A slide groove 72 is formed on the vertical side wall of the mounting block 7 facing the wall of the connecting port 42, and the slide groove 72 extends in the vertical direction, and a part of the driving gear 83 protrudes into the slide groove 72.

[0043] See also Figure 5 and Figure 7 The side wall of the mounting block 7 is formed with a slide groove 72 for the driving rack 84 to slide up and down. The driving rack 84 is fixedly connected to the hole wall of the penetration hole 41 and the side wall of the connection port 42. The driving rack 84 faces the mounting block 7 and protrudes into the slide groove 72. The driving gear 83 meshes with the driving rack 84. When the mounting block 7 slides into the connection port 42 and the penetration hole 41 slides first, the driving rack 84 slides into the slide groove 72 and meshes with the driving gear 83, so that the driving gear 83 enters a rotating state, and then drives the driving sleeve 81 to rotate through the connecting rack 82, so that the control sleeve 71 drives the connecting nut 31 to rotate close to the second connecting plate 4. When the mounting block 7 enters the penetration hole 41, the connecting nut 31 presses the connecting pad 6 against the second connecting plate 4, and then when the mounting block 7 completes entering the penetration hole 41, the connecting pad 6 produces a certain deformation, so that the connecting nut 31 can continue to rotate and approach the second connecting pad 6, ensuring the fixing strength of the second connecting plate 4.

[0044] In order to further enhance the connection stability of the second connecting plate 4, a power column 9 is slidably connected in the mounting block 7, and the power column 9 is perpendicular to the second anchor bolt 3. There are two power columns 9 and they are arranged 180 degrees apart with the central axis of the driving sleeve 81 as the center. The driving sleeve 81 is located between the upper and lower power columns 9.

[0045] A power rack 91 is fixed on the side wall of the power column 9 close to the driving sleeve 81, and the power rack 91 meshes with the connecting rack 82. The power column 9 is formed with a power groove penetrating to the outside in the direction of the wall of the connecting port 42, and the power grooves of the upper and lower power columns 9 are located on the opposite side walls.

[0046] The power column 9 is provided with a plug-in column 92, and the plug-in column 92 is slidably connected to the power slot. The power column 9 is provided with an elastic power part, and the elastic power part is a power spring 93. The power spring 93 is installed in the power column 9, and one end of the power spring 93 is pressed against the end of the plug-in column 92, and the other end is pressed against the side wall of the power slot away from the slot. When the power spring 93 is elastically released, it pushes the plug-in column 92 to protrude outside the power column 9. And the plug-in column 92 slides on the mounting block 7, and the plug-in column 92 can protrude outside the mounting block 7.

[0047] Plug-in grooves 411 are respectively formed on the vertical hole walls on the opposite sides of the through hole 41, and the plug-in grooves 411 correspond to the plug-in columns 92 one by one, for the plug-in columns 92 to be inserted. Specifically, when the mounting block 7 slides into the through hole 41, the driving sleeve 81 rotates to drive the power column 9 to slide, so that the plug-in column 92 slides toward the outside of the mounting block 7. When the plug-in column 92 is not aligned with the plug-in groove 411, the end of the plug-in column 92 slides on the mouth wall of the connection port 42 and the hole wall of the through hole 41. At this time, when the power column 9 slides, the plug-in column 92 slides into the power groove, and the power spring 93 enters an elastic compression state. When the plug-in column 92 is aligned with the plug-in groove 411, the power spring 93 is elastically released to push the plug-in column 92 into the plug-in groove 411. When the water platform is erected on the top of the steel beam, the force of the water platform acts downward on the steel beam, exerting a force on the second connecting plate 4 to move away from the concrete beam. At this time, the side wall of the plug-in column 92 close to the concrete beam abuts against the wall of the plug-in groove 411, so that the plug-in column 92 supports the second connecting plate 4, which is beneficial to limit the second connecting plate 4 from moving away from the concrete beam axially along the second anchor bolt 3, thereby improving the stability of the second connecting plate 4 and increasing the supporting force for the water platform.

[0048] The plug-in column 92 is inclined away from the power column 9 and has two push surfaces 921 symmetrically formed on the upper and lower sides. When the plug-in column 92 is inserted into the plug-in slot 411, the push surface 921 abuts against the edge of the slot of the plug-in slot 411. When the second connecting plate 4 needs to be removed, the second connecting plate 4 is slid upward, and the edge of the slot of the plug-in slot 411 slides on the push surface 921, pushing the plug-in column 92 out of the plug-in slot 411, making it easy to remove the second connecting plate 4.

[0049] The implementation principle of a concrete beam and steel beam splicing node in the second embodiment of the present application is: When the splicing node is erected, the installation block 7 enters the penetration hole 41 through the connection port 42. At this time, the driving rack 84 drives the driving gear 83 to rotate, and then drives the driving sleeve 81 to rotate through the connecting rack 82, so that the control sleeve 71 can drive the connecting nut 31 to rotate, until the installation block 7 completely enters the penetration hole 41, and the connecting nut 31 presses the connecting pad 6 against the second connecting plate 4. At the same time, the plug-in column 92 is inserted into the plug-in groove 411 to achieve the connection and fixation of the second connecting plate 4 and the concrete beam. The entire installation process is simple, and there is no need to descend to the position of the second anchor bolt 3 to screw the connecting nut 31, which greatly improves the connection safety of the second connecting plate 4.

[0050] 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 splicing node between a concrete beam and a steel beam, characterized in that: include A first anchor bolt (1) is arranged on the top of the concrete beam, and an anchor nut (11) is threadedly connected to the first anchor bolt (1); A first connecting plate (2) is abutted against the top of the concrete beam, and the first anchor bolt (1) is passed through the first connecting plate (2); A second anchor bolt (3) is arranged at the end of the concrete beam, and a connecting nut (31) is threadedly connected to the second anchor bolt (3); A second connecting plate (4) connected to the first connecting plate (2) and perpendicular thereto, the steel beam being arranged on a side of the second connecting plate (4) away from the first anchor bolt (1); The second connecting plate (4) abuts against the side wall of the concrete beam, the second connecting plate (4) is formed with a penetration hole (41) for the second anchor bolt (3) to penetrate, and the bottom of the second connecting plate (4) is formed with a connection port (42) for the second anchor bolt (3) to slide up and down, the connection port (42) being connected to the penetration hole (41).

2. A concrete beam and steel beam splicing node according to claim 1, characterized in that: The splicing node further comprises a raised portion (5), the raised portion (5) being arranged on the top of the concrete beam, and the first anchor bolt (1) being passed through the raised portion (5).

3. The concrete beam and steel beam splicing node according to claim 1, characterized in that: A connecting plate (6) is slidably provided on the second anchor bolt (3), and the connecting plate (6) is located between the connecting nut (31) and the second connecting plate (4).

4. A concrete beam and steel beam splicing node according to claim 3, characterized in that: The second anchor bolt (3) is provided with a mounting block (7), and the hole wall of the through hole (41) is adapted to the outer wall of the mounting block (7); A control sleeve (71) is slidably connected to the mounting block (7), and the control sleeve (71) is slidably sleeved on the outer peripheral side of the second anchor bolt (3) and is coaxially arranged; An end portion of the control sleeve (71) is connected to a side of the connecting nut (31) close to the second connecting plate (4); The mounting block (7) is provided with a driving assembly (8), and when the mounting block (7) passes through the connecting port (42) and enters the penetration hole (41), the driving assembly (8) drives the control sleeve (71) to rotate, and at this time, the connecting nut (31) moves toward the second connecting plate (4); When the first connecting plate (2) abuts against the top of the concrete beam and the second anchor bolt (3) is located in the penetration hole (41), the connecting nut (31) abuts against the connecting pad (6).

5. A concrete beam and steel beam splicing node according to claim 4, characterized in that: The driving assembly (8) comprises a driving sleeve (81), a connecting rack (82), a driving gear (83) and a driving rack (84); The drive sleeve (81) is sleeved on the outer peripheral side of the control sleeve (71) and rotates in the mounting block (7); the drive sleeve (81) is provided with a linkage member, the linkage member links the control sleeve (71) and the control sleeve (71) slides on the drive sleeve (81) along the circumferential direction; The connecting rack (82) is circumferentially arranged on the outer peripheral side of the driving sleeve (81); the driving gear (83) rotates in the mounting block (7); and the driving gear (83) is meshed with the connecting rack (82); The driving rack (84) is arranged on the hole wall of the penetration hole (41) and the side wall of the connecting port (42); the side wall of the mounting block (7) is formed with a slide groove (72) for the driving rack (84) to slide up and down; a portion of the driving gear (83) protrudes into the slide groove (72), and the driving gear (83) is meshed with the driving rack (84).

6. A concrete beam and steel beam splicing node according to claim 5, characterized in that: The linkage member is a linkage block (811), and the linkage block (811) is arranged on the inner peripheral side wall of the drive sleeve (81), and a linkage groove (711) extending in the axial direction and for the linkage block (811) to slide is formed on the outer peripheral side of the control sleeve (71).

7. The concrete beam and steel beam splicing node according to claim 5, characterized in that: A power column (9) is slidably connected inside the mounting block (7), and the power column (9) is perpendicular to the second anchor bolt (3); A power rack (91) is provided on the side wall of the power column (9), and the power rack (91) is meshed with the connecting rack (82); The power column (9) is slidably connected and coaxially provided with a plug-in column (92), and the plug-in column (92) slides on the mounting block (7); The power column (9) is provided with an elastic power piece, and the elastic power piece drives the plug-in column (92) to protrude outside the power column (9); The wall of the through hole (41) is formed with an insertion groove (411) for the insertion of the insertion column (92).

8. The concrete beam and steel beam splicing node according to claim 7, characterized in that: The plug-in column (92) is inclined away from the power column (9) and has a pushing surface (921) symmetrically formed up and down. When the plug-in column (92) is inserted into the plug-in slot (411), the pushing surface (921) abuts against the edge of the slot opening of the plug-in slot (411).

9. The concrete beam and steel beam splicing node according to claim 7, characterized in that: The elastic power member is a power spring (93), and the power spring (93) is installed in the power column (9). The power spring (93) pushes the plug-in column (92) to protrude outside the power column (9).

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