Prefabricated prestressed primary beam and secondary beam quick connecting device and construction method

Abstract

The invention discloses a prefabricated prestressed primary beam and secondary beam quick connecting device which comprises a stand column and a cross beam, one end of the stand column is connected with a supporting block through a first connecting assembly, the cross beam is connected to one side of the supporting block through a second connecting assembly, and the second connecting assembly comprises a connecting frame. The connecting frame is fixedly welded to one side of the supporting block, a clamping plate is welded to one end of the cross beam through a fourth connecting plate, connecting grooves allowing the clamping plate to be clamped are formed in the two sides of the connecting frame, an adjusting assembly is installed on the connecting frame, and moving plates are connected to the two sides of the adjusting assembly; a plurality of clamping blocks are fixedly welded to one side of the movable plate, and clamping grooves allowing the clamping blocks to be clamped are formed in the clamping plate; in the second connecting assembly, through the arrangement of an adjusting assembly, the movement of a moving plate is conveniently adjusted, a clamping block is clamped in a clamping groove, the cross beam and the supporting block can be connected, and the cross beam is rapidly installed at the upper end of the stand column.

Description

Technical Field

[0001] The invention relates to the technical field of prefabricated assembly buildings, in particular to a prefabricated prestressed main and secondary beam quick connection device. Background Art

[0002] CN221855972U discloses a UHPC composite structure for assembled farmhouses, which relates to the technical field of assembled buildings. The device comprises prefabricated load-bearing columns, main beams and floor slabs. In the horizontal direction, beam-column mortise and tenon joint units are arranged between the load-bearing columns and the main beams. A plurality of load-bearing columns and a plurality of main beams are interconnected to form a basic concrete frame. The floor slabs are laid on the tops of the main beams.

[0003] The above-mentioned assembled farmhouse UHPC composite structure connects the load-bearing columns and the main beams by setting beam-column mortise and tenon connection units, so that the prefabricated load-bearing columns and the main beams can be quickly assembled in an assembled manner on the construction site to form a basic concrete frame. However, this assembled farmhouse UHPC composite structure still has some disadvantages. The main beam and the weighing column are connected by the beam-column mortise and tenon connection unit. When a number of first bolts are used for connection, the connection installation efficiency is low, and when natural disasters such as earthquakes occur, the bolt connection may become loose or damaged due to the large impact force, and may be more prone to deformation and damage, thereby affecting the overall seismic performance of the structure. Summary of the invention

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A prefabricated prestressed main and secondary beam quick connection device, comprising:

[0006] A column, one end of which is connected to a support block via a first connection assembly, the first connection assembly comprising a first connection plate and a second connection plate, the first connection block being fixedly welded between the support block and the first connection plate, a third connection plate being connected to the column, the second connection block being fixedly welded between the third connection plate and the second connection plate, and the first connection plate and the second connection plate being connected via a plurality of mounting bolts;

[0007] A crossbeam, wherein the crossbeam is connected to one side of the support block through a second connecting component, the second connecting component includes a connecting frame, the connecting frame is fixedly welded to one side of the support block, one end of the crossbeam is connected to a fourth connecting plate, a clamping plate is fixedly welded to the fourth connecting plate, connecting grooves for the clamping plates to be engaged are provided on both sides of the connecting frame, an adjusting component is installed on the connecting frame, movable plates are connected to both sides of the adjusting component, a plurality of clamping blocks are fixedly welded to one side of the movable plate, and a clamping groove for the clamping blocks to be engaged is provided on the clamping plate.

[0008] Preferably, first reinforcement blocks are fixedly welded at the four corners of the support block and the first connecting plate, and second reinforcement blocks are fixedly welded at the four corners of the second connecting plate and the third connecting plate.

[0009] Preferably, a cross-shaped first limiting block is fixedly welded to one end of the first connecting block, and a first limiting groove for the first limiting block to engage is formed on the second connecting block.

[0010] Preferably, a plurality of connecting steel bars are fixedly welded to one side of the third connecting plate and the fourth connecting plate, and the plurality of connecting steel bars are respectively cast on one end of the column and the beam.

[0011] Preferably, the adjusting assembly includes a rotating rod, a bidirectional threaded rod, a first bevel gear and a second bevel gear. A mounting groove is provided in the connecting frame. The rotating rod is rotatably connected to the upper end of the mounting groove through a bearing. One end of the rotating rod is connected to the first bevel gear. The bidirectional threaded rod is rotatably connected in the mounting groove, and the movable plate is threadedly connected to both ends of the bidirectional threaded rod. The second bevel gear is arranged on the bidirectional threaded rod, and the first bevel gear and the second bevel gear are meshed.

[0012] Preferably, a rotating handle is fixedly provided at one end of the rotating rod away from the first bevel gear, and a groove is formed on the rotating handle.

[0013] Preferably, support plates are fixedly welded on both sides of the support block, a plurality of reinforcing blocks are fixedly welded on the lower end of the support plate, and the support plate is in contact and connected with the crossbeam.

[0014] Preferably, second limit blocks are provided at both ends of the movable plate, second limit slots for movably connecting the second limit blocks are opened at both ends of the installation slot, and rollers are installed on the second limit blocks, and the rollers are slidably connected in the second limit slots.

[0015] Preferably, the first connecting component includes a third connecting block and a mounting frame, the third connecting block is fixedly welded to the supporting block, a plurality of mounting plates are fixedly welded to the third connecting block, the third connecting block and the plurality of mounting plates are snap-fitted into the mounting frame, the mounting frame is fixedly welded to the third connecting plate, threaded holes are provided on the plurality of mounting plates, and the mounting frame is connected to the threaded holes on the plurality of mounting plates by fixing bolts.

[0016] A construction method for a prefabricated prestressed main and secondary beam quick connection device comprises the following steps:

[0017] S1. Column installation: The hoisting device lifts the column, and then fixes one end of the column to the ground;

[0018] S2. Connect the support block to the column: The hoisting device hoists the support block, aligns the first limit block with the first limit slot, the first limit block is engaged in the first limit slot, and the first connecting plate and the second connecting plate are connected and fixed by installing bolts;

[0019] S3. Connect the crossbeam to the support block: Use a lifting device to lift the crossbeam, align the locking block with the connecting groove, then use the lifting device to drive the crossbeam to move, and the locking block is locked in the connecting groove. Then turn the handle, and the handle drives the first bevel gear to rotate through the rotating rod. The first bevel gear drives the bidirectional threaded rod to rotate through the second bevel gear. The bidirectional threaded rod can drive the movable plate to move relatively, thereby driving the locking block to lock in the locking groove, fixing the crossbeam on one side of the support block, and quickly installing the crossbeam on the upper end of the column.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Through the setting of the first connecting component, it is convenient to connect and fix the column and the support block, and through the setting of the second connecting component, it is convenient to connect and fix the beam and the support block, and it is convenient to install and connect the beam and the column.

[0022] 2. The second connecting component is provided with an adjustment component to facilitate the adjustment of the movable plate so that the engaging block is engaged in the engaging groove, thereby connecting the beam and the supporting block, and the beam can be quickly installed on the upper end of the column, thereby improving the installation and connection speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a side cross-sectional structural schematic diagram of the present invention;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 It is a front cross-sectional structural schematic diagram of the present invention;

[0027] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0028] Figure 6 It is a schematic structural diagram of another embodiment of the present invention;

[0029] Figure 7 It is a schematic cross-sectional structural diagram of the third connecting block of the present invention.

[0030] In the figure: 1, column; 2, support block; 3, first connecting plate; 4, second connecting plate; 5, first connecting block; 6, third connecting plate; 7, second connecting block; 8, mounting bolts; 9, crossbeam; 10, connecting frame; 11, fourth connecting plate; 12, clamping plate; 13, connecting groove; 14, moving plate; 15, clamping block; 16, clamping groove; 17, first reinforcing block; 18, second reinforcing block; 19, first limit block; 2 0. First limiting groove; 21. Connecting steel bar; 22. Turn rod; 23. Bidirectional threaded rod; 24. First bevel gear; 25. Second bevel gear; 26. Mounting groove; 27. Turn handle; 28. Groove; 29. ​​Support plate; 30. Reinforcement block; 31. Second limiting block; 32. Second limiting groove; 33. Roller; 34. Third connecting block; 35. Mounting frame; 36. Mounting plate; 37. Threaded hole; 38. Fixing bolt. DETAILED DESCRIPTION

[0031] Embodiment 1:

[0032] See also Figure 1-5 , the present invention provides a technical solution:

[0033] A prefabricated prestressed main and secondary beam quick connection device, comprising:

[0034] A column 1, one end of the column 1 is connected to a support block 2 through a first connecting assembly, the first connecting assembly includes a first connecting plate 3 and a second connecting plate 4, a first connecting block 5 is fixedly welded between the support block 2 and the first connecting plate 3, a third connecting plate 6 is connected to the column 1, a second connecting block 7 is fixedly welded between the third connecting plate 6 and the second connecting plate 4, and the first connecting plate 3 and the second connecting plate 4 are connected by a plurality of mounting bolts 8;

[0035] The first connecting plate 3 and the second connecting plate 4 can be connected by a plurality of mounting bolts 8, so that the column 1 and the support block 2 can be connected and fixed. The first connecting block 5 and the second connecting block 7 are provided to facilitate the support connection between the first connecting plate 3 and the second connecting plate 4, and the support block 2 facilitates the connection between the column 1 and the beam 9.

[0036] A crossbeam 9, the crossbeam 9 is connected to one side of the support block 2 through a second connecting assembly, the second connecting assembly includes a connecting frame 10, the connecting frame 10 is fixedly welded to one side of the support block 2, one end of the crossbeam 9 is connected to a fourth connecting plate 11, a clamping plate 12 is fixedly welded on the fourth connecting plate 11, connecting grooves 13 for clamping the clamping plate 12 are provided on both sides of the connecting frame 10, an adjustment assembly is installed on the connecting frame 10, a movable plate 14 is connected to both sides of the adjustment assembly, a plurality of clamping blocks 15 are fixedly welded on one side of the movable plate 14, and a clamping groove 16 for clamping the clamping block 15 is provided on the clamping plate 12;

[0037] By adjusting the setting of the component, the movable plate 14 can be adjusted to move, driving a plurality of snap-fit ​​blocks 15 to snap into the snap-fit ​​grooves 16 on the snap-fit ​​plate 12, so that the snap-fit ​​plate 12 can be fixed in the connecting groove 13, thereby fixing the crossbeam 9 to one side of the support block 2.

[0038] Specifically, the adjustment component includes a rotating rod 22, a bidirectional threaded rod 23, a first bevel gear 24 and a second bevel gear 25. A mounting groove 26 is provided in the connecting frame 10. The rotating rod 22 is rotatably connected to the upper end of the mounting groove 26 through a bearing. One end of the rotating rod 22 is connected to the first bevel gear 24. The bidirectional threaded rod 23 is rotatably connected in the mounting groove 26, and the movable plate 14 is threadedly connected to both ends of the bidirectional threaded rod 23. The second bevel gear 25 is arranged on the bidirectional threaded rod 23, and the first bevel gear 24 and the second bevel gear 25 are meshed. Among them, a rotating handle 27 is fixedly provided at one end of the rotating rod 22 away from the first bevel gear 24, and a groove 28 is provided on the rotating handle 27. The rotating handle 27 facilitates the rotation of the rotating rod 22. The setting of the groove 28 facilitates the rotation of the rotating handle 27.

[0039] When the crossbeam 9 is installed, the clamping plate 12 is clamped in the connecting groove 13 on one side of the support block 2;

[0040] When adjusting the movable plate 14, the handle 27 is turned, and the handle 27 drives the first bevel gear 24 to rotate through the rotating rod 22. The first bevel gear 24 drives the bidirectional threaded rod 23 to rotate through the second bevel gear 25. The movable plate 14 is threadedly connected to both ends of the bidirectional threaded rod 23, which can drive the movable plate 14 to move, thereby driving the engaging block 15 to engage in the engaging groove 16, and the engaging plate 12 can be fixed in the connecting groove 13, and the crossbeam 9 is fixedly connected to one side of the support block 2.

[0041] Furthermore, second limit blocks 31 are provided at both ends of the movable plate 14 , and second limit slots 32 for movably connecting the second limit blocks 31 are opened at both ends of the mounting slot 26 . Rollers 33 are installed on the second limit blocks 31 , and the rollers 33 are slidably connected in the second limit slots 32 .

[0042] When the movable plate 14 moves in the installation groove 26, the second limit block 31 moves in the second limit groove 32, so as to limit the moving route of the movable plate 14. Moreover, by setting the roller 33, the friction force of the second limit block 31 in the second limit groove 32 can be reduced, thereby making the rotation of the rotating rod 22 more labor-saving and improving work efficiency.

[0043] Furthermore, first reinforcement blocks 17 are fixedly welded at the four corners of the support block 2 and the first connecting plate 3 , and second reinforcement blocks 18 are fixedly welded at the four corners of the second connecting plate 4 and the third connecting plate 6 .

[0044] By setting the first reinforcement block 17, the supporting force at the four corners of the first connecting plate 3 and the supporting block 2 can be improved. By setting the second reinforcement block 18, the supporting force at the four corners of the second connecting plate 4 and the third connecting plate 6 can be improved, and the supporting reinforcement effect can be improved.

[0045] A cross-shaped first limiting block 19 is fixedly welded to one end of the first connecting block 5 , and a first limiting groove 20 for the first limiting block 19 to engage is formed on the second connecting block 7 .

[0046] By providing the cross-shaped first limiting block 19 and the first limiting groove 20, the connection stability between the first connecting block 5 and the second connecting block 7 can be improved, and positioning connection can be performed during connection, thereby improving the connection efficiency.

[0047] A plurality of connecting steel bars 21 are fixedly welded to one side of the third connecting plate 6 and the fourth connecting plate 11 , and the plurality of connecting steel bars 21 are cast on one end of the column 1 and the crossbeam 9 , respectively.

[0048] The provision of a plurality of connecting steel bars 21 facilitates the connection stability between the third connecting plate 6 and the column 1 , and facilitates the connection stability between the fourth connecting plate 11 and the crossbeam 9 .

[0049] On the basis of the above embodiment, support plates 29 are fixedly welded on both sides of the support block 2 , a plurality of reinforcing blocks 30 are fixedly welded on the lower end of the support plate 29 , and the support plate 29 is in contact and connected with the cross beam 9 .

[0050] By providing the support plate 29 , the cross beam 9 can be supported, and by providing a plurality of reinforcement blocks 30 , the support effect of the support plate 29 can be improved, and the installation stability of the cross beam 9 can be improved.

[0051] Embodiment 2:

[0052] See also Figure 6 and Figure 7 The difference between this embodiment 2 and embodiment 1 is that:

[0053] The first connecting assembly includes a third connecting block 34 and a mounting frame 35. The third connecting block 34 is fixedly welded on the supporting block 2. A plurality of mounting plates 36 are fixedly welded on the third connecting block 34. The third connecting block 34 and the plurality of mounting plates 36 are engaged in the mounting frame 35. The mounting frame 35 is fixedly welded on the third connecting plate 6. Threaded holes 37 are provided on the plurality of mounting plates 36. The mounting frame 35 is connected to the threaded holes 37 on the plurality of mounting plates 36 by fixing bolts 38.

[0054] When connecting the column 1 and the support block 2, the third connecting block 34 is engaged in the installation frame 35, and the third connecting plate 6 outside the third connecting block 34 is engaged in the installation frame 35. Then, the fixing bolts 38 are used to connect with the threaded holes 37 to fix the installation frame 35 and the third connecting plate 6. Then, the column 1 and the support block 2 can be fixedly connected.

[0055] Embodiment 3:

[0056] The difference between this embodiment 3 and the embodiments 1 and 2 is that: this embodiment also provides a construction method of a prefabricated prestressed main and secondary beam quick connection device, comprising the following steps:

[0057] S1. Column installation: The hoisting device lifts the column 1, and then fixes one end of the column 1 to the ground;

[0058] S2. Connect the support block to the column: The hoisting device hoists the support block 2, the first limit block 19 is aligned with the first limit groove 20, the first limit block 19 is engaged in the first limit groove 20, and the first connecting plate 3 and the second connecting plate 4 are connected and fixed by the installation bolts 8;

[0059] S3. Connect the crossbeam to the support block: Use a lifting device to lift the crossbeam 9, align the engaging block 15 with the connecting groove 13, then use the lifting device to move the crossbeam 9, engage the engaging block 15 in the connecting groove 13, then rotate the handle 27, the handle 27 drives the first bevel gear 24 to rotate through the rotating rod 22, the first bevel gear 24 drives the bidirectional threaded rod 23 to rotate through the second bevel gear 25, the bidirectional threaded rod 23 can drive the movable plate 14 to move relatively, thereby driving the engaging block 15 to engage in the engaging groove 16, so that the crossbeam 9 can be fixedly connected to one side of the support block 2, and the crossbeam 9 can be quickly installed on the upper end of the column 1.

Claims

1. A prefabricated prestressed main and secondary beam quick connection device, characterized in that: include: A column (1), one end of the column (1) is connected to a support block (2) via a first connection assembly, the first connection assembly comprises a first connection plate (3) and a second connection plate (4), a first connection block (5) is fixedly welded between the support block (2) and the first connection plate (3), a third connection plate (6) is connected to the column (1), a second connection block (7) is fixedly welded between the third connection plate (6) and the second connection plate (4), and the first connection plate (3) and the second connection plate (4) are connected via a plurality of mounting bolts (8); A crossbeam (9), wherein the crossbeam (9) is connected to one side of the support block (2) via a second connecting component, wherein the second connecting component comprises a connecting frame (10), wherein the connecting frame (10) is fixedly welded to one side of the support block (2), wherein one end of the crossbeam (9) is connected to a fourth connecting plate (11), wherein a clamping plate (12) is fixedly welded to the fourth connecting plate (11), wherein both sides of the connecting frame (10) are provided with connecting grooves (13) for clamping the clamping plate (12), wherein an adjustment component is installed on the connecting frame (10), wherein both sides of the adjusting component are connected to a movable plate (14), wherein one side of the movable plate (14) is fixedly welded with a plurality of clamping blocks (15), wherein the clamping plate (12) is provided with a clamping groove (16) for clamping the clamping block (15).

2. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: First reinforcement blocks (17) are fixedly welded at the four corners of the support block (2) and the first connecting plate (3), and second reinforcement blocks (18) are fixedly welded at the four corners of the second connecting plate (4) and the third connecting plate (6).

3. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: A cross-shaped first limiting block (19) is fixedly welded to one end of the first connecting block (5), and a first limiting groove (20) for the first limiting block (19) to engage is provided on the second connecting block (7).

4. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: A plurality of connecting steel bars (21) are fixedly welded to one side of the third connecting plate (6) and the fourth connecting plate (11), and the plurality of connecting steel bars (21) are cast on one end of the column (1) and the crossbeam (9), respectively.

5. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: The adjustment assembly comprises a rotating rod (22), a bidirectional threaded rod (23), a first bevel gear (24) and a second bevel gear (25); a mounting groove (26) is provided in the connecting frame (10); the rotating rod (22) is rotatably connected to the upper end of the mounting groove (26) through a bearing; one end of the rotating rod (22) is connected to the first bevel gear (24); the bidirectional threaded rod (23) is rotatably connected in the mounting groove (26); the moving plate (14) is threadedly connected to both ends of the bidirectional threaded rod (23); the second bevel gear (25) is arranged on the bidirectional threaded rod (23); and the first bevel gear (24) and the second bevel gear (25) are meshed.

6. A prefabricated prestressed main and secondary beam quick connection device according to claim 5, characterized in that: A rotating handle (27) is fixedly provided at one end of the rotating rod (22) away from the first bevel gear (24), and a groove (28) is provided on the rotating handle (27).

7. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: Support plates (29) are fixedly welded to both sides of the support block (2), a plurality of reinforcing blocks (30) are fixedly welded to the lower end of the support plate (29), and the support plate (29) is in contact with and connected to the crossbeam (9).

8. A prefabricated prestressed main and secondary beam quick connection device according to claim 5, characterized in that: The movable plate (14) is provided with second limit blocks (31) at both ends, the mounting groove (26) is provided with second limit grooves (32) for the second limit block (31) to be movably connected, and the second limit block (31) is provided with a roller (33), and the roller (33) is slidably connected in the second limit groove (32).

9. A prefabricated prestressed main and secondary beam quick connection device according to claim 1, characterized in that: The first connecting assembly comprises a third connecting block (34) and a mounting frame (35); the third connecting block (34) is fixedly welded on the supporting block (2); a plurality of mounting plates (36) are fixedly welded on the third connecting block (34); the third connecting block (34) and the plurality of mounting plates (36) are snap-fitted into the mounting frame (35); the mounting frame (35) is fixedly welded on the third connecting plate (6); threaded holes (37) are provided on the plurality of mounting plates (36); the mounting frame (35) is connected to the threaded holes (37) on the plurality of mounting plates (36) by means of fixing bolts (38).

10. A construction method for a prefabricated prestressed main and secondary beam quick connection device, characterized in that: The following steps are involved: S1. Column installation: The column (1) is lifted by a lifting device, and then one end of the column (1) is fixed to the ground; S2. Connecting the support block to the column: The support block (2) is hoisted by a hoisting device, the first limit block (19) is aligned with the first limit groove (20), the first limit block (19) is engaged in the first limit groove (20), and the first connecting plate (3) and the second connecting plate (4) are connected and fixed by installing bolts (8); S3, connecting the crossbeam and the support block: use a lifting device to lift the crossbeam (9), align the engaging block (15) with the connecting groove (13), then the lifting device drives the crossbeam (9) to move, the engaging block (15) engages in the connecting groove (13), then the handle (27) is rotated, the handle (27) drives the first bevel gear (24) to rotate through the rotating rod (22), the first bevel gear (24) drives the bidirectional threaded rod (23) to rotate through the second bevel gear (25), the bidirectional threaded rod (23) can drive the movable plate (14) to move relatively, thereby driving the engaging block (15) to engage in the engaging groove (16), the crossbeam (9) is fixedly connected to one side of the support block (2), and the crossbeam (9) is quickly installed on the upper end of the column (1).

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