Prefabricated box girder pouring system
By designing a prefabricated box beam casting system, using reciprocating feed pipes, bent rods and impact columns, the problem of lack of equipment in the prior art to achieve uniform pouring of concrete is solved, and uniform injection, stirring and vibration of concrete is achieved , improves the quality and performance of box girders.
Patent Information
- Application Number
- CN202421099679.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The prior art lacks a kind of equipment that facilitates the reciprocating injection of concrete, stirs the concrete, knocks on the formwork, makes it vibrate, and achieves uniform pouring of concrete.
A prefabricated box girder casting system is designed, including reciprocating feed pipes, bent rods for stirring concrete, and impact columns contacting the formwork during reciprocating movement, resulting in vibration. These components are driven by hydraulic rods and large-stroke hydraulic rods to achieve uniform pouring of concrete.
The uniform injection and stirring of concrete is achieved, ensuring uniform distribution and sufficient vibration of concrete during the pouring process, and improving the service life and load-bearing capacity of box beams.
Smart Images

Figure CN222450817U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of prefabricated box beam casting, in particular to a prefabricated box beam casting system. Background Art
[0002] Precast box girder is a type of beam in bridge engineering. It has a hollow interior and flanges on both sides of the upper part. It is named because it resembles a box. It is a concrete structure that is pre-cast in an independent site or factory, and then erected on the bridge pier by a bridge erection machine. When pouring the precast box girder, concrete is poured into the formwork.
[0003] Existing technology, such as the utility model box beam casting segmented auxiliary structure for reducing concrete bubbles on the box beam surface, authorization announcement number CN217967577U. The storage hopper is convenient for storing concrete, and the concrete is conveniently discharged into the casting trough through the discharge port, so as to facilitate the casting of the box beam, and then the floating plate is attached to the surface of the box beam, and the floating plate is driven by the vibration motor to vibrate so as to facilitate the destruction of bubbles in the concrete on the surface of the box beam or near the surface, which can conveniently reduce the bubbles generated by the casting of the box beam and improve the service life and bearing capacity of the box beam.
[0004] At present, there is still a lack of a device that can facilitate the reciprocating injection of concrete, stir the concrete, knock the formwork to make it vibrate, and achieve uniform pouring of concrete.
[0005] Therefore, in view of the above problems, a prefabricated box girder casting system is proposed to solve the above problems. Utility Model Content
[0006] Aiming at the deficiencies of the prior art, the utility model develops a prefabricated box beam casting system, which can realize reciprocating concrete injection, mixing of concrete, knocking of formwork, and uniform casting of concrete.
[0007] The technical solution of the utility model to solve the technical problem is as follows: the utility model provides a prefabricated box girder casting system, including a top frame, the top frame is connected to symmetrical vertical plates, and the symmetrical vertical plates are respectively connected to the card slots; symmetrical U-shaped track rods are respectively nested in the symmetrical card slots; symmetrical feed pipes are respectively connected to mounting plates, and the symmetrical mounting plates are respectively connected to the corresponding U-shaped track rods; four vertical rods are respectively connected to the top frame, and each of the vertical rods is respectively connected to the stepped shaft; four bending rods are respectively rotatably connected to the corresponding stepped shaft, and each bending rod passes through the guide block respectively, and each of the guide blocks is respectively connected to the round shaft, and each of the round shafts is respectively rotatably connected to the corresponding U-shaped track rod. By adopting a reciprocating feed pipe, it is convenient to evenly add concrete to the template and realize concrete injection.
[0008] As an optimization, the top frame is connected to a hydraulic rod, the piston rod of the hydraulic rod is connected to an I-shaped plate, the four corners of the I-shaped plate are respectively connected to power shafts, each of the power shafts is respectively rotatably connected to one end of a connecting rod, and the other end of each connecting rod is respectively rotatably connected to the corresponding bending rod. By adopting a hydraulic rod and a connecting rod rotation connection method, power support is provided for the movement of the feeding pipe.
[0009] As an optimization, the top frame is connected to two sets of symmetrical long-stroke hydraulic rods, and the piston rods of each of the long-stroke hydraulic rods are respectively connected to the circular plates. By adopting the long-stroke hydraulic rods, the feed pipe and the bending rod can be moved in the height direction to achieve concrete injection and mixing.
[0010] As an optimization, each of the circular plates is connected to a mounting seat of a wheel. By adopting wheels, the overall movement of the device can be easily realized.
[0011] As an optimization, each of the bending rods is connected to a collision column. By adopting the collision column, it contacts the template during the reciprocating motion to vibrate it, thereby achieving uniform pouring of concrete.
[0012] As an optimization, the surface material of the impact column is rubber.
[0013] As an optimization, the symmetrical vertical plates are respectively connected to symmetrical reinforcing ribs, and each of the reinforcing ribs is respectively connected to the corresponding slot. By adopting the reinforcing ribs, the stability of the slot is enhanced.
[0014] The effects provided in the utility model content are only the effects of the embodiments, not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:
[0015] (1) The device adopts a reciprocating feed pipe to facilitate the uniform addition of concrete into the formwork and realize concrete injection.
[0016] (2) This device uses a bending rod that swings back and forth in the template to stir the concrete so that the concrete is evenly distributed.
[0017] (3) This device uses an impact column, which contacts the formwork during reciprocating motion, causing it to vibrate and achieve uniform pouring of concrete.
[0018] (4) The device adopts wheels to facilitate movement along the length direction of the formwork, which is convenient for concrete pouring. By adopting a large-stroke hydraulic rod, the impact column can enter and move away from the formwork component area. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0020] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .
[0021] Figure 2 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 1 .
[0022] Figure 3 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 2 .
[0023] Figure 4 It is a schematic diagram of the local three-dimensional structure of the utility model Figure 3 .
[0024] Figure 5 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .
[0025] In the figure: 1. top frame, 2. long-stroke hydraulic rod, 3. wheels, 4. slots, 5. vertical plates, 6. vertical rods, 7. hydraulic rods, 8. I-shaped plates, 9. connecting rods, 10. feed pipes, 11. bending rods, 12. impact columns, 13. mounting plates, 14. stepped shafts, 15. round plates, 16. power shafts, 17. U-shaped track rods, 18. guide blocks, 19. round shafts, 20. reinforcing ribs. DETAILED DESCRIPTION
[0026] In order to clearly illustrate the technical features of this solution, the utility model is described in detail below through specific implementation methods and in combination with the accompanying drawings. The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the accompanying drawings are not necessarily drawn to scale. The utility model omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0027] like Figures 1 to 5 As shown, embodiment 1: a prefabricated box beam casting system includes a top frame 1, the top frame 1 is connected to symmetrical vertical plates 5, and the symmetrical vertical plates 5 are respectively connected to the slots 4; symmetrical U-shaped track rods 17 are respectively nested in the symmetrical slots 4; symmetrical feed pipes 10 are respectively connected to mounting plates 13, and the symmetrical mounting plates 13 are respectively connected to the corresponding U-shaped track rods 17; four vertical rods 6 are respectively connected to the top frame 1, and each of the vertical rods 6 is respectively connected to the stepped shaft 14; four bending rods 11 are respectively rotatably connected to the corresponding stepped shaft 14, and each bending rod 11 passes through a guide block 18, and each of the guide blocks 18 is respectively connected to a round shaft 19, and each of the round shafts 19 is respectively rotatably connected to the corresponding U-shaped track rod 17. By adopting a reciprocating feed pipe 10, it is convenient to evenly add concrete to the template and realize concrete injection.
[0028] The top frame 1 is connected to the hydraulic rod 7, the piston rod of the hydraulic rod 7 is connected to the I-shaped plate 8, the four corners of the I-shaped plate 8 are respectively connected to the power shaft 16, each of the power shafts 16 is respectively rotatably connected to one end of the connecting rod 9, and the other end of each connecting rod 9 is respectively rotatably connected to the corresponding bending rod 11. By adopting the hydraulic rod 7 and the connecting rod rotation connection method, power support is provided for the movement of the feeding pipe 10.
[0029] The model of the hydraulic rod 7 is HSG.
[0030] The top frame 1 is connected to two groups of symmetrical long-stroke hydraulic rods 2, and the piston rods of each of the long-stroke hydraulic rods 2 are respectively connected to the circular plates 15. By adopting the long-stroke hydraulic rods 2, the feed pipe 10 and the bending rod 11 can be moved in the height direction to achieve concrete injection and mixing.
[0031] Alternatively, the piston rod of the long-stroke hydraulic rod 2 may be connected to the top frame 1, and the long-stroke hydraulic rod 2 may be connected to the circular plate 15, and this method is preferred.
[0032] The model of the long-stroke hydraulic rod 2 is a ZL-03 multi-section hydraulic cylinder.
[0033] Each of the circular plates 15 is respectively connected to the mounting seat of the wheel 3. By adopting the wheel 3, the overall movement of the device is conveniently realized.
[0034] The symmetrical vertical plates 5 are respectively connected to symmetrical reinforcing ribs 20, and each of the reinforcing ribs 20 is respectively connected to the corresponding slot 4. By adopting the reinforcing ribs 20, the stability of the slot 4 is enhanced.
[0035] The workflow of this embodiment is:
[0036] Place the device across the template, control the large-stroke hydraulic rod 2 to retract, and allow the bending rod 11 to enter the template formation area. Use equipment to add concrete into the feed pipe 10, control the hydraulic rod 7 to reciprocate, and slowly push the device to move. The hydraulic rod 7 drives the I-shaped plate 8 and the power shaft 16 to reciprocate, the power shaft 16 drives the connecting rod 9 to swing back and forth, the connecting rod 9 drives the bending rod 11 to swing back and forth while moving along the guide block 18, the bending rod 11 drives the guide block 18 to move, the guide block 18 drives the round shaft 19 to move, the round shaft 19 drives the U-shaped track rod 17 to reciprocate along the slot 4, the U-shaped track rod 17 drives the mounting plate 13 and the feed pipe 10 to reciprocate, and the concrete is poured into the template formation area. The bending rod 11 swings to stir the concrete to make it evenly distributed.
[0037] Embodiment 2: This embodiment is further described on the basis of embodiment 1, and each of the bending rods 11 is respectively connected to a collision column 12. By using the collision column 12, it contacts the template during the reciprocating motion to vibrate it, thereby achieving uniform pouring of concrete.
[0038] The surface material of the impact column 12 is rubber.
[0039] The workflow of this embodiment is:
[0040] When the bending rod 11 swings back and forth, the impact column 12 swings back and forth. When it contacts the template, it elastically deforms, causing the template to vibrate and the concrete to be evenly distributed.
[0041] Although the specific implementation methods of the utility model are described above in conjunction with the accompanying drawings, this does not limit the scope of protection of the utility model. On the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.
Claims
1. A prefabricated box girder casting system, characterized by: It comprises a top frame (1), the top frame (1) is connected to symmetrical vertical plates (5), and the symmetrical vertical plates (5) are respectively connected to the card slots (4); Symmetrical U-shaped track rods (17) respectively nested in the symmetrical card slots (4); Symmetrical feed pipes (10) are respectively connected to mounting plates (13), and the symmetrical mounting plates (13) are respectively connected to corresponding U-shaped track rods (17); Four vertical rods (6) are respectively connected to the top frame (1), and each of the vertical rods (6) is respectively connected to a stepped shaft (14); Four bending rods (11) are rotatably connected to the corresponding stepped shafts (14), each bending rod (11) passes through a guide block (18), each guide block (18) is connected to a round shaft (19), and each round shaft (19) is rotatably connected to the corresponding U-shaped track rod (17).
2. A prefabricated box beam casting system according to claim 1, characterized in that: The top frame (1) is connected to a hydraulic rod (7), a piston rod of the hydraulic rod (7) is connected to an I-shaped plate (8), four corners of the I-shaped plate (8) are respectively connected to power shafts (16), each of the power shafts (16) is rotatably connected to one end of a connecting rod (9), and the other end of each connecting rod (9) is rotatably connected to a corresponding bending rod (11).
3. A prefabricated box beam casting system according to claim 1, characterized in that: The top frame (1) is connected to two groups of symmetrical long-stroke hydraulic rods (2), and the piston rod of each of the long-stroke hydraulic rods (2) is respectively connected to a circular plate (15).
4. A prefabricated box beam casting system according to claim 3, characterized in that: Each of the circular plates (15) is respectively connected to a mounting seat of the wheel (3).
5. The prefabricated box beam casting system according to claim 1 is characterized in that: Each of the bending rods (11) is respectively connected to an impact column (12).
6. A prefabricated box beam casting system according to claim 5, characterized in that: The surface material of the impact column (12) is rubber.
7. The prefabricated box beam casting system according to claim 1 is characterized in that: The symmetrical vertical plates (5) are respectively connected to symmetrical reinforcing ribs (20), and each of the reinforcing ribs (20) is respectively connected to a corresponding slot (4).
Citation Information
Patent Citations
Box girder pouring segmentation auxiliary structure for reducing concrete bubbles on surface of box girder
CN217967577U