A prefabricated prestressed main and secondary beam quick connecting device and construction method

Abstract

The application discloses a prefabricated prestressed main and secondary beam quick connecting device, which comprises a stand and a crossbeam, a supporting block is connected to one end of the stand through a first connecting assembly, the crossbeam is connected to one side of the supporting block through a second connecting assembly, the second connecting assembly comprises a connecting frame, the connecting frame is fixedly welded on one side of the supporting block, one end of the crossbeam is welded with a clamping plate through a fourth connecting plate, connecting grooves for clamping the clamping plate are formed in the two sides of the connecting frame, an adjusting assembly is installed on the connecting frame, moving plates are connected to the two sides of the adjusting assembly, a plurality of clamping blocks are fixedly welded on one side of the moving plate, and clamping grooves for clamping the clamping blocks are formed in the clamping plate; the adjusting assembly is arranged in the second connecting assembly, the moving plate is adjusted to move, the clamping blocks are clamped in the clamping grooves, the crossbeam and the supporting block are connected, and the crossbeam is quickly installed on the upper end of the stand.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of prefabricated assembly building, in particular to a prefabricated prestressed main beam and secondary beam quick connecting device. BACKGROUND

[0002] CN221855972U is a prefabricated farm building UHPC composite structure, which relates to the technical field of prefabricated building, and the device comprises prefabricated load-bearing columns, main beams and floor slabs; in the horizontal direction, beam-column mortise and tenon connection units are arranged between the load-bearing columns and the main beams; the load-bearing columns and the main beams are connected to form a foundation concrete frame; the floor slabs are laid on the top of the main beams.

[0003] The prefabricated farm building UHPC composite structure has the beam-column mortise and tenon connection units to connect the load-bearing columns and the main beams, so that the prefabricated load-bearing columns and the main beams can be quickly assembled to form a foundation concrete frame in a prefabricated manner. However, this prefabricated farm building UHPC composite structure still has some disadvantages. The main beams and the load-bearing columns are connected through the beam-column mortise and tenon connection units. When a plurality of first bolts are used for connection, the connection and installation efficiency is low. In addition, when natural disasters such as earthquakes occur, the bolt connection may be loosened or damaged due to the impact force, and deformation and damage may occur more easily, thereby affecting the overall seismic performance of the structure. SUMMARY

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] A prefabricated prestressed main beam and secondary beam quick connecting device comprises:

[0006] A stand column is connected with a support block at one end through a first connecting assembly, the first connecting assembly comprises a first connecting plate and a second connecting plate, a first connecting block is fixedly welded between the support block and the first connecting plate, a third connecting plate is connected to the stand column, a second connecting block is fixedly welded between the third connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are connected through a plurality of mounting bolts;

[0007] A cross beam is connected to one side of the support block through a second connecting assembly, the second connecting assembly comprises a connecting frame, the connecting frame is fixedly welded on one side of the support block, one end of the cross beam is connected with a fourth connecting plate, a clamping plate is fixedly welded on the fourth connecting plate, connecting grooves for clamping the clamping plate are formed on both sides of the connecting frame, an adjusting assembly is installed on the connecting frame, moving plates are connected to both sides of the adjusting assembly, a plurality of clamping blocks are fixedly welded on one side of the moving plates, and clamping grooves for clamping the clamping blocks are formed on the clamping plate.

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

[0009] Preferably, a cross-shaped first limiting block is fixedly welded at one end of the first connecting block, and a first limiting slot is formed in the second connecting block for clamping the first limiting block.

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

[0011] Preferably, the adjusting assembly comprises a rotating rod, a bidirectional threaded rod, a first bevel gear and a second bevel gear, an installation slot is formed in the connecting frame, the rotating rod is rotatably connected to the upper end of the installation slot through a bearing, one end of the rotating rod is connected with the first bevel gear, the bidirectional threaded rod is rotatably connected in the installation slot, and the moving plate is threadedly connected with 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 engaged.

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

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

[0014] Preferably, second limiting blocks are arranged at both ends of the moving plate, second limiting slots are formed at both ends of the installation slot for movably connecting the second limiting blocks, rollers are arranged on the second limiting blocks, and the rollers are slidably connected in the second limiting slots.

[0015] Preferably, the first connecting assembly comprises a third connecting block and an installation frame, the third connecting block is fixedly welded on the support block, a plurality of installation plates are fixedly welded on the third connecting block, the third connecting block and the plurality of installation plates are clamped in the installation frame, the installation frame is fixedly welded on the third connecting plate, a plurality of threaded holes are formed in the installation plates, and the installation frame is connected with the threaded holes in the installation plates through fixing bolts.

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

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

[0018] S2, support block and column: hoisting device hoists the support block, the first limiting block aligns the first limiting groove, the first limiting block is engaged in the first limiting groove, and the mounting bolt connects and fixes the first connecting plate and the second connecting plate;

[0019] S3, the cross beam is connected with the support block: the hoisting device is used to hoist the cross beam, the clamping block is aligned with the connecting groove, then the hoisting device drives the cross beam to move, the clamping block is engaged in the connecting groove, then the rotating handle is rotated, the rotating 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 moving plate to move relatively, so that the clamping block is engaged in the clamping groove, the cross beam is fixedly connected on one side of the support block, and the cross beam is quickly installed on the upper end of the stand column.

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] 1. Through the setting of the first connecting assembly, the stand column and the support block are conveniently connected and fixed, through the setting of the second connecting assembly, the cross beam and the support block are conveniently connected and fixed, and the cross beam and the stand column are conveniently installed and connected.

[0022] 2. In the second connecting assembly, through the setting of the adjusting assembly, the moving plate is conveniently adjusted to move, so that the clamping block is engaged in the clamping groove, the cross beam and the support block are connected, the cross beam can be quickly installed on the upper end of the stand column, and the installation and connection rate is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0024] Figure 2 It is a side sectional view structural schematic diagram of the present application;

[0025] Figure 3 It is Figure 2 the enlarged view of A in the middle;

[0026] Figure 4 It is a front sectional view structural schematic diagram of the present application;

[0027] Figure 5 It is Figure 4 the enlarged view of B in the middle;

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

[0029] Figure 7 It is a sectional view structural schematic diagram of the third connecting block of the present application.

[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 bolt; 9, cross beam; 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 limiting block; 20, first limiting groove; 21, connecting steel bar; 22, rotating rod; 23, bidirectional threaded rod; 24, first bevel gear; 25, second bevel gear; 26, mounting groove; 27, handle; 28, groove; 29, support plate; 30, reinforcing 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] Example 1

[0032] Please refer to Figures 1-5 The present application provides a technical solution:

[0033] A prefabricated prestressed main and secondary beam rapid connecting device, comprising:

[0034] The column 1 is connected with the support block 2 at one end through the first connecting assembly, the first connecting assembly comprises the first connecting plate 3 and the second connecting plate 4, the first connecting block 5 is fixedly welded between the support block 2 and the first connecting plate 3, the third connecting plate 6 is connected on the column 1, the 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 through the mounting bolts 8.

[0035] The first connecting plate 3 and the second connecting plate 4 can be connected through the mounting bolts 8, that is, the column 1 and the support block 2 can be connected and fixed, and through the arrangement of the first connecting block 5 and the second connecting block 7, the support connection between the first connecting plate 3 and the second connecting plate 4 is facilitated, and the support block 2 facilitates the connection of the column 1 and the cross beam 9.

[0036] The cross beam 9 is connected on one side of the support block 2 through the second connecting assembly, the second connecting assembly comprises the connecting frame 10, the connecting frame 10 is fixedly welded on one side of the support block 2, the cross beam 9 is connected with the fourth connecting plate 11 at one end, the fourth connecting plate 11 is fixedly welded with the clamping plate 12, the connecting grooves 13 for clamping the clamping plate 12 are formed on both sides of the connecting frame 10, the adjusting assembly is mounted on the connecting frame 10, the moving plate 14 is connected on both sides of the adjusting assembly, the clamping blocks 15 are fixedly welded on one side of the moving plate 14, and the clamping grooves 16 for clamping the clamping blocks 15 are formed on the clamping plate 12.

[0037] By adjusting the setting of the adjusting assembly, the moving plate 14 can be moved to drive the clamping blocks 15 to be clamped in the clamping grooves 16 on the clamping plate 12, so that the clamping plate 12 is fixed in the connecting groove 13, and the cross beam 9 is fixedly connected to one side of the supporting block 2.

[0038] Specifically, the adjusting assembly comprises a rotating rod 22, a bidirectional threaded rod 23, a first bevel gear 24 and a second bevel gear 25. The connecting frame 10 is provided with a mounting groove 26. 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 with the first bevel gear 24. The bidirectional threaded rod 23 is rotatably connected in the mounting groove 26, and 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 engaged. The end of the rotating rod 22 away from the first bevel gear 24 is fixedly provided with a handle 27. The handle 27 is provided with a groove 28. The handle 27 is convenient for rotating the rotating rod 22. The groove 28 is convenient for rotating the handle 27.

[0039] When the cross beam 9 is installed, the clamping plate 12 is clamped in the connecting groove 13 on one side of the supporting block 2.

[0040] When the moving plate 14 is adjusted, the handle 27 is rotated to drive 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 moving plate 14 is threadedly connected to both ends of the bidirectional threaded rod 23, so that the moving plate 14 can be moved, thereby driving the clamping blocks 15 to be clamped in the clamping grooves 16, so that the clamping plate 12 is fixed in the connecting groove 13, and the cross beam 9 is fixedly connected to one side of the supporting block 2.

[0041] Further, the moving plate 14 is provided with a second limiting block 31 at both ends. The mounting groove 26 is provided with a second limiting groove 32 for the movement connection of the second limiting block 31. The second limiting block 31 is provided with a roller 33. The roller 33 is slidably connected in the second limiting groove 32.

[0042] When the moving plate 14 moves in the mounting groove 26, the second limiting block 31 moves in the second limiting groove 32, so as to limit the movement route of the moving plate 14. Through the arrangement of the roller 33, the friction between the second limiting block 31 and the second limiting groove 32 can be reduced, so that the rotating rod 22 is more labor-saving, and the working efficiency is improved.

[0043] Further, the first reinforcing block 17 is fixedly welded at the four corners of the supporting block 2 and the first connecting plate 3. The second reinforcing block 18 is fixedly welded at the four corners of the second connecting plate 4 and the third connecting plate 6.

[0044] The first reinforcing block 17 can improve the support force at the four corners of the first connecting plate 3 and the support block 2, and the second reinforcing block 18 can improve the support force at the four corners of the second connecting plate 4 and the third connecting plate 6, thereby improving the support reinforcing effect.

[0045] The first connecting block 5 is fixedly welded with a cross-shaped first limiting block 19 at one end, and the second connecting block 7 is provided with a first limiting slot 20 for clamping the first limiting block 19.

[0046] The cross-shaped first limiting block 19 and the first limiting slot 20 can improve the connection stability of the first connecting block 5 and the second connecting block 7, and can be positioned and connected during connection, thereby improving the connection efficiency.

[0047] The third connecting plate 6 and the fourth connecting plate 11 are fixedly welded with a plurality of connecting steel bars 21 at one side, and the plurality of connecting steel bars 21 are respectively cast at one end of the column 1 and the beam 9.

[0048] The plurality of connecting steel bars 21 can improve the connection stability of the third connecting plate 6 and the column 1, and the connection stability of the fourth connecting plate 11 and the beam 9.

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

[0050] The support plate 29 can support the beam 9, and the plurality of reinforcing blocks 30 can improve the support effect of the support plate 29 and improve the installation stability of the beam 9.

[0051] Embodiment 2:

[0052] Please refer to Figure 6 and Figure 7 The difference between the embodiment 2 and the embodiment 1 is that:

[0053] 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 support block 2, the third connecting block 34 is fixedly welded with a plurality of mounting plates 36, the third connecting block 34 and the plurality of mounting plates 36 are clamped in the mounting frame 35, the mounting frame 35 is fixedly welded on the third connecting plate 6, a plurality of threaded holes 37 are formed in the plurality of mounting plates 36, and the mounting frame 35 is connected with the plurality of threaded holes 37 in the plurality of mounting plates 36 through fixing bolts 38.

[0054] When connecting the column 1 and the support block 2, the third connecting block 34 is clamped in the mounting frame 35, the third connecting plate 6 outside the third connecting block 34 is clamped in the mounting frame 35, then the mounting frame 35 and the third connecting plate 6 are fixedly connected by using the fixing bolt 38 and the threaded hole 37, and the column 1 and the support block 2 are fixedly connected.

[0055] Embodiment 3:

[0056] The difference between the embodiment 3 and the embodiment 1 and the embodiment 2 is that the embodiment 3 further provides a construction method of the prefabricated prestressed main and secondary beam quick connecting device, and the construction method comprises the following steps:

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

[0058] S2, connecting the support block and the column: the hoisting device hoists the support block 2, the first limiting block 19 is aligned with the first limiting groove 20, the first limiting block 19 is clamped in the first limiting groove 20, and the first connecting plate 3 and the second connecting plate 4 are fixedly connected by using the mounting bolt 8;

[0059] S3, connecting the cross beam and the support block: the hoisting device hoists the cross beam 9, the clamping block 15 is aligned with the connecting groove 13, then the hoisting device drives the cross beam 9 to move, the clamping block 15 is clamped in the connecting groove 13, then the rotating handle 27 is rotated, the rotating 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 moving plate 14 to relatively move, so as to drive the clamping block 15 to be clamped in the clamping groove 16, and the cross beam 9 is fixedly connected to one side of the support block 2, and the cross beam 9 is quickly installed on the upper end of the column 1.

Claims

1. A prefabricated prestressed main and secondary beam quick connecting device, characterized in that, Include: The column (1) is connected with the support block (2) at one end by the first connecting assembly, the first connecting assembly includes the first connecting plate (3) and the second connecting plate (4), the first connecting block (5) is fixedly welded between the support block (2) and the first connecting plate (3), the third connecting plate (6) is connected on the column (1), the second connecting block (7) is fixedly welded between the third connecting plate (6) and the second connecting plate (4), the first connecting plate (3) and the second connecting plate (4) are connected by a plurality of mounting bolts (8); The cross beam (9) is connected on one side of the support block (2) by the second connecting assembly, the second connecting assembly includes the connecting frame (10), the connecting frame (10) is fixedly welded on one side of the support block (2), one end of the cross beam (9) is connected with the fourth connecting plate (11), the fourth connecting plate (11) is fixedly welded with the clamping plate (12), the connecting frame (10) is provided with the adjusting assembly, the adjusting assembly is connected with the moving plate (14) on both sides, the moving plate (14) is fixedly welded with a plurality of clamping blocks (15) on one side, the clamping plate (12) is provided with the clamping groove (16) for clamping the clamping block (15); The first connecting block (5) is fixedly welded with the cross-shaped first limiting block (19) at one end, the second connecting block (7) is provided with the first limiting slot (20) for clamping the first limiting block (19), the adjusting assembly includes the rotating rod (22), the bidirectional threaded rod (23), the first bevel gear (24) and the second bevel gear (25), the connecting frame (10) is provided with the mounting groove (26), the rotating rod (22) is rotatably connected on the upper end of the mounting groove (26) through the bearing, one end of the rotating rod (22) is connected with the first bevel gear (24), the bidirectional threaded rod (23) is rotatably connected in the mounting groove (26), and the moving plate (14) is threadedly connected with the two 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 engaged, the end of the rotating rod (22) away from the first bevel gear (24) is fixedly provided with the handle (27), and the handle (27) is provided with the groove (28).

2. The precast prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that: The first reinforcing block (17) is fixedly welded at the four corners of the support block (2) and the first connecting plate (3), the second reinforcing block (18) is fixedly welded at the four corners of the second connecting plate (4) and the third connecting plate (6).

3. The precast prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that: The third connecting plate (6) and the fourth connecting plate (11) are fixedly welded with a plurality of connecting steel bars (21) on one side, and a plurality of connecting steel bars (21) are respectively cast in the column (1) and one end of the cross beam (9).

4. The precast prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that: Supporting plates (29) are fixedly welded on both sides of the supporting block (2), and the lower ends of the supporting plates (29) are fixedly welded with reinforcing blocks (30), and the supporting plates (29) are in contact with the cross beams (9).

5. The precast prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that: Second limiting blocks (31) are arranged at the two ends of the moving plate (14), second limiting grooves (32) are arranged at the two ends of the mounting groove (26) and used for movably connecting the second limiting blocks (31), and rollers (33) are arranged on the second limiting blocks (31) and slidably connected in the second limiting grooves (32).

6. The precast prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that: The first connecting assembly comprises third connecting blocks (34) and a mounting frame (35), the third connecting blocks (34) are fixedly welded on the supporting block (2), a plurality of mounting plates (36) are fixedly welded on the third connecting blocks (34), the third connecting blocks (34) and the mounting plates (36) are clamped in the mounting frame (35), the mounting frame (35) is fixedly welded on the third connecting plate (6), threaded holes (37) are arranged on the mounting plates (36), and the mounting frame (35) is connected with the threaded holes (37) of the mounting plates (36) through fixed bolts (38).

7. The construction method of the prefabricated prestressed primary and secondary beam quick connecting device according to claim 1, characterized in that, The method comprises the following steps: S1, column installation: the column (1) is hoisted by a hoisting device, and then one end of the column (1) is fixed to the ground; S2, connecting the supporting block with the column: the supporting block (2) is hoisted by the hoisting device, the first limiting block (19) is aligned with the first limiting groove (20), the first limiting block (19) is clamped in the first limiting groove (20), and the first connecting plate (3) and the second connecting plate (4) are connected and fixed through the mounting bolt (8); S3, connecting the cross beam with the supporting block: the cross beam (9) is hoisted by the hoisting device, the clamping block (15) is aligned with the connecting groove (13), then the cross beam (9) is moved by the hoisting device, the clamping block (15) is clamped 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 moving plate (14) to move relatively, so that the clamping block (15) is clamped in the clamping groove (16), and the cross beam (9) is fixedly connected to one side of the supporting block (2), and the cross beam (9) is quickly installed on the upper end of the column (1).

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