3D modeling device for lifting and adjusting the slope of the end of a precast box girder

Abstract

The application provides a precast box girder end part liftable slope adjusting pedestal 3D modeling device. The device comprises two end seats and a pedestal, the top of the end seat is fixed with a support, a plurality of first hydraulic cylinders are fixed on the support through connecting pieces, the output end of the first hydraulic cylinder is fixed with a beam frame, the first template is fixed on the beam frame through a fixing piece, and the support is fixed with a connecting rod on one side. The precast box girder end part liftable slope adjusting pedestal 3D modeling device provided by the application solves the problem that the existing pedestal does not have the function of lifting and adjusting, and in the tensioning process, the end part of the construction component is easily pressed downward to the pedestal, thereby forming a rupture surface or causing an angular damage, and further greatly affecting the quality and appearance of the construction component.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of construction, in particular to a prefabricated box girder end liftable slope adjusting pedestal 3D modeling device. BACKGROUND

[0002] The box girder of reinforced concrete structure is divided into prefabricated box girder and cast-in-situ box girder. The box girder prefabricated in independent site can be erected after the completion of the lower part of the project, which can accelerate the progress of the project and save the construction period. The cast-in-situ box girder is mostly used for large continuous bridges. At present, the common ones are divided into two types according to the materials, one is prestressed reinforced concrete box girder, and the other is steel box girder. Among them, the prestressed reinforced concrete box girder is constructed on site. In addition to longitudinal prestress, some are also provided with transverse prestress. The construction process of prefabricated box girder and other construction components needs to be carried out on the pedestal. In order to make the construction component have prestress, the steel bars and other tensile components in the construction component need to be tensioned after the construction component is formed. The existing pedestal does not have the function of lifting and adjusting. During the tensioning process, the construction component on the top of the pedestal will arch in the middle and stress will concentrate. At this time, the mold on the top of the pedestal cannot be combined with the construction component to bear stress. Influenced by the weight of the construction component, the end of the construction component is easy to be pressed down to the pedestal, thereby forming a broken surface or causing an angular damage, which greatly affects the quality and appearance of the construction component.

[0003] Therefore, it is necessary to provide a prefabricated box girder end liftable slope adjusting pedestal 3D modeling device to solve the above technical problems. SUMMARY

[0004] The present application provides a prefabricated box girder end liftable slope adjusting pedestal 3D modeling device, which solves the problem that the existing pedestal does not have the function of lifting and adjusting, which causes the end of the construction component to be easy to be pressed down to the pedestal during the tensioning process, thereby forming a broken surface or causing an angular damage, which greatly affects the quality and appearance of the construction component.

[0005] To solve the above technical problems, the prefabricated box girder end liftable slope adjusting pedestal 3D modeling device provided by the present application comprises two end pedestals and a pedestal, the top of the end pedestal is fixed with a support, and a plurality of first hydraulic cylinders are fixed on the support through connecting pieces;

[0006] The output end of the first hydraulic cylinder is fixed with a beam frame, and a first mold plate is fixed on the beam frame through a fixing piece, and a first placing groove is arranged on the first mold plate;

[0007] One side of the support is fixed with a connecting rod, and the first hydraulic rod and the second hydraulic rod are rotatably arranged on the connecting rod, the sliding block is rotatably arranged on the first hydraulic rod, and the second template is slidably arranged on the sliding block, the top of the second template is provided with the second placing groove, the bottom of the second template is fixed with the limiting rod, the limiting block is slidably arranged on the limiting rod, the limiting block is rotatably connected with the output end of the second hydraulic rod, the third hydraulic rod is fixed on the support, and the output end of the third hydraulic rod is fixed with the shaft rod, and the shaft rod slides on the surface of the first hydraulic rod.

[0008] Further, the bottom of the second template is provided with a sliding groove matched with the sliding block, and a second hydraulic cylinder is arranged between the inner wall of the sliding groove and the sliding block.

[0009] Further, the bottom of the inner wall of the sliding groove is fixed with a sliding rail matched with the sliding block.

[0010] Further, the surface of the first hydraulic rod is provided with a limiting groove matched with the shaft rod.

[0011] Further, the first template is fixed with the connecting plate through bolts.

[0012] Further, the beam frame is fixed with the fixing piece through a screw rod.

[0013] Further, the connecting piece is provided with a fixing groove matched with the support, and the connecting piece is fixed with the support through bolts.

[0014] Further, the seat is located between the two end seats.

[0015] Further, the third hydraulic rod and the support are arranged at an angle of 30°.

[0016] Compared with the related art, the prefabricated box girder end lifting and slope adjusting pedestal 3D modeling device has the following beneficial effects:

[0017] The application provides a precast box girder end part liftable slope adjusting pedestal 3D modeling device, the transverse angle of the second formwork is changed by controlling the first hydraulic rod and the second hydraulic rod, the third hydraulic rod drives the shaft rod, the angle of the first hydraulic rod is changed by the surface of the first hydraulic rod being provided with the limiting groove matched with the shaft rod, the second formwork is driven to rotate at an angle, the second formwork is adapted to the angle of the part of the contact construction component, the second formwork and the part of the contact construction component are stress supported when the height of the first formwork 8 is adjusted, the height of the beam frame 6 is changed by adjusting the first hydraulic cylinder 5, the corresponding position of the first formwork 8 is adjusted by the fixing part 7, the end part of the construction component is lifted, the pressure of the end part of the construction component is reduced, the existing pedestal does not have the function of lifting and adjusting, the end part of the construction component is easily pressed downward to the pedestal in the tensioning process, thereby the broken surface or the edge damage is formed, and the quality and appearance of the construction component are greatly affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A preferred embodiment structure diagram of the precast box girder end part liftable slope adjusting pedestal 3D modeling device provided by the application is shown in the figure.

[0019] Figure 2 The connection diagram of the support and the connecting piece is shown in the figure. Figure 1

[0020] The connection diagram of the sliding block and the second formwork is shown in the figure. Figure 3 Figure 2 The structure diagram of the first formwork is shown in the figure.

[0021] Figure 4 Figure 2 The local enlarged view of A in the figure.

[0022] Figure 5 The local enlarged view of B in the figure. Figure 3

[0023] The structure diagram of the first formwork is shown in the figure. Figure 6 Figure 2 The structure diagram of the first formwork is shown in the figure.

[0024] The figure is marked as: 1, end seat, 2, pedestal, 3, support, 4, connecting piece, 5, first hydraulic cylinder, 6, beam frame, 7, fixing part, 8, first formwork, 9, connecting lever, 10, first hydraulic rod, 11, second hydraulic rod, 12, sliding block, 13, second formwork, 14, limiting rod, 15, limiting block, 16, third hydraulic rod, 17, shaft rod, 18, sliding groove, 19, second hydraulic cylinder, 20, sliding rail, 21, limiting groove, 22, connecting plate part, 23, first placing groove. DETAILED DESCRIPTION

[0025] The application will be further described below in combination with the figures and embodiments.​​​

[0026] Please refer to Figures 1-6 As shown in the figure, the precast box girder end lifting slope adjusting pedestal 3D modeling device comprises two end seats 1 and a seat table 2, the top of the end seat 1 is fixed with a support 3, a plurality of first hydraulic cylinders 5 are fixed on the support 3 through connecting pieces 4, which is convenient for adjusting the lifting height of the first formwork 8;

[0027] As shown in the figure Figure 2 The output end of the first hydraulic cylinder 5 is fixed with a beam frame 6, and the first formwork 8 is fixed on the beam frame 6 through a fixing piece 7, the first formwork 8 is provided with a first placing groove 23, and steel bars are laid in the first placing groove 23 for pouring concrete, and the first formwork 8 is uniformly stressed and supported through the beam frame 6 and the fixing piece 7;

[0028] As shown in the figure Figure 3 One side of the support 3 is fixed with a connecting lever 9, and a first hydraulic rod 10 and a second hydraulic rod 11 are respectively rotated on the connecting lever 9, the first hydraulic rod 10 and the second hydraulic rod 11 change the transverse angle of the second formwork 13, the first hydraulic rod 10 is rotatably provided with a sliding block 12, and the second formwork 13 is slidably arranged on the sliding block 12, the top of the second formwork 13 is provided with a second placing groove, and steel bars are laid in the second placing groove, the bottom of the second formwork 13 is fixed with a limiting rod 14, and a limiting block 15 is slidably arranged on the limiting rod 14, which plays a limiting role, the limiting block 15 is rotatably connected with the output end of the second hydraulic rod 11, a third hydraulic rod 16 is fixed on the support 3, and the output end of the third hydraulic rod 16 is fixed with a shaft rod 17, and the shaft rod 17 slides on the surface of the first hydraulic rod 10;

[0029] As shown in the figure Figure 5 The bottom of the second formwork 13 is provided with a sliding groove 18 matched with the sliding block 12, and a second hydraulic cylinder 19 is arranged between the inner wall of the sliding groove 18 and the sliding block 12, the bottom of the inner wall of the sliding groove 18 is fixed with a sliding rail 20 matched with the sliding block 12, and the second hydraulic cylinder 19 is arranged between the inner wall of the sliding groove 18 and the sliding block 12, so as to adjust the movement of the second formwork 13, so that the second formwork 13 is in contact with the first formwork 8 and the seat table 2;

[0030] The surface of the first hydraulic rod 10 is provided with a limiting groove 21 matched with the shaft rod 17, which plays a limiting role;

[0031] As shown in the figure Figure 4 The first formwork 8 is fixed with a connecting plate 22 through bolts, which is convenient for installation and dismounting of the connecting plate 22, the beam frame 6 is fixed on the fixing piece 7 through a screw rod, the connecting piece 4 is provided with a fixing groove matched with the support 3, and the connecting piece 4 is fixed with the support 3 through bolts, which is convenient for installation and dismounting of the connecting piece 4, and a plurality of connecting pieces 4 are uniformly arranged, so that the first formwork 8 is uniformly stressed and prevented from deforming under stress;

[0032] As Figure 5 shown, the seat 2 of the application is located between the two end seats 1, the third hydraulic rod 16 is arranged at 30° between the support 3, the third hydraulic rod 16 drives the shaft rod 17, the surface of the first hydraulic rod 10 is provided with a limiting groove 21 matched with the shaft rod 17, and the angle of the first hydraulic rod 10 is changed.

[0033] The working principle of the prefabricated box girder end lifting and slope adjusting seat 3D modeling device provided by the application is as follows: the construction component is located on the first template 8, the second template 13 and the seat 2, the construction component is subjected to tension operation, the middle part of the construction component is arched under stress, the end part extrudes the first template 8 on both sides, the height of the beam frame 6 is changed by adjusting the first hydraulic cylinder 5, the corresponding position of the first template 8 is adjusted by the fixing part 7, and the construction component at the top is driven to make the middle position of the construction component contact and bear stress with the seat 2, so that the first template 8 is uniformly stressed, the deformation of the first template 8 under stress is prevented, the construction component is pre-stressed supported, and the second template 13 between the first template 8 and the seat 2 and the construction component are prevented from being suspended, the transverse angle of the second template 13 is changed by controlling the first hydraulic rod 10 and the second hydraulic rod 11, the third hydraulic rod 16 drives the shaft rod 17, the surface of the first hydraulic rod 10 is provided with a limiting groove 21 matched with the shaft rod 17, the angle of the first hydraulic rod 10 is changed, the second template 13 is driven to rotate at an angle, so that the second template 13 is adapted to the angle of the part contacting the construction component, the second hydraulic cylinder 19 is arranged between the inner wall of the sliding groove 18 and the sliding block 12, the second template 13 is adjusted to move, so that the second template 13 is connected in contact with the first template 8 and the seat 2, the concrete is conveniently poured, and the second template 13 and the part contacting the construction component are stress supported.

[0034] The above is only an embodiment of the application, and does not limit the patent range of the application, and any equivalent structure or equivalent process transformation using the content of the specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the application.

Claims

1. A 3D modeling device for a precast box girder end elevatable ramp abutment, characterized in that, Including two end seats (1) and seat (2), the top of the end seat (1) is fixed with a support (3), and a plurality of first hydraulic cylinders (5) are fixed on the support (3) through connecting pieces (4); The output end of the first hydraulic cylinder (5) is fixed with a beam frame (6), and the beam frame (6) is fixed with a first mold plate (8) through a fixing piece (7), and the first mold plate (8) is provided with a first placing groove (23); One side of the support (3) is fixed with a connecting lever (9), and a first hydraulic lever (10) and a second hydraulic lever (11) are rotatably arranged on the connecting lever (9), respectively, a sliding block (12) is rotatably arranged on the first hydraulic lever (10), and a second mold plate (13) is slidably arranged on the sliding block (12), the top of the second mold plate (13) is provided with a second placing groove, the bottom of the second mold plate (13) is fixed with a limiting rod (14), and a limiting block (15) is slidably arranged on the limiting rod (14), the limiting block (15) is rotatably connected with the output end of the second hydraulic lever (11), a third hydraulic lever (16) is fixed on the support (3), and the output end of the third hydraulic lever (16) is fixed with a shaft rod (17), the shaft rod (17) slides on the surface of the first hydraulic lever (10).

2. The prefabricated box girder end elevatable grading table 3D modeling device according to claim 1, characterized in that, The bottom of the second mold plate (13) is provided with a sliding groove (18) matched with the sliding block (12), and a second hydraulic cylinder (19) is arranged between the inner wall of the sliding groove (18) and the sliding block (12).

3. The prefabricated box girder end elevatable grading table 3D modeling device according to claim 2, characterized in that, The inner wall of the sliding groove (18) is fixed with a sliding rail (20) matched with the sliding block (12).

4. The prefabricated box girder end elevatable grading table 3D modeling device according to claim 1, characterized in that, The surface of the first hydraulic lever (10) is provided with a limiting groove (21) matched with the shaft rod (17).

5. The precast box girder end elevatable batter table 3D modeling device according to claim 1, characterized in that, The first mold plate (8) is fixed with a connecting plate (22) through bolts.

6. The precast box girder end elevatable batter table 3D modeling device according to claim 1, characterized in that, The beam frame (6) is fixed with the fixing piece (7) through a screw rod.

7. The precast box girder end elevatable batter table 3D modeling device according to claim 1, characterized in that, The connecting piece (4) is provided with a fixing groove matched with the support (3), and the connecting piece (4) is fixed with the support (3) through bolts.

8. The prefabricated box girder end elevatable grading table 3D modeling device according to claim 1, characterized in that, The seat (2) is located between the two end seats (1).

9. The precast box girder end elevatable batter table 3D modeling device according to claim 1, characterized in that, The third hydraulic lever (16) and the support (3) are arranged at an angle of 30°.

Images