Folding box girder formwork

Abstract

The utility model discloses a folding type box girder formwork which comprises a box girder outer formwork of a steel structure, the box girder outer formwork comprises an outer formwork bottom plate and two outer formwork side top plates, the two outer formwork side top plates are movably installed at the upper ends of the two sides of the outer formwork bottom plate in a hinged mode respectively, and telescopic supporting rod pieces are detachably installed at the bottoms of the outer formwork side top plates. Rollers are installed at the four corner ends of the bottom of the outer mold bottom plate, protruding ribs are fixedly arranged on the front side of the outer mold bottom plate, and slot openings corresponding to the protruding ribs in size are formed in the rear side of the outer mold bottom plate. The two outer mold side top plates of the box girder outer mold can be folded, so that the size of the whole structure is reduced, stacking and transportation are convenient, meanwhile, the box girder outer mold is convenient to move, the outer mold bottom plate can be moved to a machining position through the idler wheels, the outer mold side top plates are opened from the two sides of the outer mold bottom plate, and the outer mold side top plates are supported at the bottoms of the outer mold side top plates through the telescopic supporting rod pieces. And the height of the telescopic supporting rod piece is adjusted, and meanwhile, a plurality of outer mold bottom plates are mutually spliced, so that the installation work of the box girder outer mold can be completed.

Description

Technical Field

[0001] This utility model relates to the field of box girder technology, and more specifically, to a foldable box girder template. Background Technology

[0002] Precast box girder formwork features high precision, simple structure, flexible overall scaling, easy demolding, and simple operation. It can be hoisted or dragged onto the beam fabrication platform as a whole.

[0003] Existing precast box girder formwork includes outer formwork, inner formwork, and end formwork. The outer formwork is the outermost formwork, which has a large structure and occupies a lot of space, making it inconvenient to transport. Therefore, we propose a foldable box girder formwork to solve the above problems. Summary of the Invention

[0004] The purpose of this utility model is to provide a foldable box girder formwork that is convenient for transportation.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A foldable box girder template, comprising a steel box girder outer template, the box girder outer template comprising an outer template bottom plate and two outer template side top plates, the outer template bottom plate having a U-shaped cross section, the two outer template side top plates being movably hinged and installed at the upper ends of both sides of the outer template bottom plate, the bottom of the outer template side top plates being detachably equipped with telescopic support rods, the telescopic support rods being used to support the outer template side top plates, rollers being installed at the four corners of the bottom of the outer template bottom plate, a protruding rib being fixedly provided on the front side of the outer template bottom plate, and a slot opening with a size corresponding to the protruding rib being opened on the rear side of the outer template bottom plate.

[0006] Preferably, the telescopic support rod includes a threaded cylinder, a screw, and an anti-slip seat. A threaded column is fixedly welded to the lower part of the outer mold base plate. The upper end of the threaded cylinder is connected to the threaded column. The screw is connected to the lower end of the threaded cylinder. The anti-slip seat is fixedly installed at the lower end of the screw.

[0007] Preferably, a locking nut is threadedly fitted onto the screw surface between the anti-slip seat and the threaded cylinder.

[0008] Preferably, an integral protrusion is provided at the middle position of the upper edge on both sides of the outer mold base plate, and a slot is provided at the middle position of one side of the outer mold top plate, and the outer mold top plate is movably hinged to the corresponding protrusion through the slot.

[0009] Preferably, a sealing strip is provided at the connection between the top plate of the outer mold side and the bottom plate of the outer mold.

[0010] Preferably, a magnet plate is fixedly installed at the bottom of the top plate of the outer mold side.

[0011] Preferably, threaded seats are fixed at both the front and rear ends of the bottom of the outer mold base plate, and the threaded seats are used to connect bolts.

[0012] Compared with the prior art, the advantages of this utility model are:

[0013] The two outer mold side top plates of this utility model can be folded and fit against both sides of the outer mold bottom plate, thereby reducing the volume of the entire structure and facilitating stacking and transportation. At the same time, it is easy to move. The outer mold bottom plate can be moved to the processing position by rollers. The outer mold side top plates can be opened from both sides of the outer mold bottom plate and supported at the bottom of the outer mold side top plates by telescopic support rods. The height of the telescopic support rods can be adjusted, and multiple outer mold bottom plates can be spliced ​​together to complete the installation of the box girder outer mold. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a perspective view of a foldable box girder template according to this utility model;

[0016] Figure 2 This is a diagram showing the splicing state of a foldable box girder template according to this utility model;

[0017] Figure 3 This is a side view of a foldable box girder template according to this utility model.

[0018] In the diagram: 1. Outer mold base plate; 11. Protruding block; 12. Protruding rib; 13. Slot opening; 2. Outer mold side top plate; 3. Roller; 4. Telescopic support rod; 41. Threaded cylinder; 42. Screw; 43. Anti-slip seat; 44. Locking nut; 5. Magnet plate; 6. Threaded seat; 7. Sealing strip. Detailed Implementation

[0019] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0020] See Figure 1 and Figure 3As shown, this utility model provides a foldable box girder template, including a steel box girder outer template. The box girder outer template includes an outer template bottom plate 1 and two outer template side top plates 2. The outer template bottom plate 1 has a U-shaped cross section. The two outer template side top plates 2 are respectively hinged to the upper ends of the two sides of the outer template bottom plate 1. Telescopic support rods 4 are detachably installed at the bottom of the outer template side top plates 2. The telescopic support rods 4 are used to support the outer template side top plates 2. Rollers 3 are installed at the four corners of the bottom of the outer template bottom plate 1. A protruding rib 12 is fixedly provided on the front side of the outer template bottom plate 1. A slot 13 with a size corresponding to the protruding rib 12 is opened on the rear side of the outer template bottom plate 1.

[0021] In this embodiment, the telescopic support rod 4 includes a threaded cylinder 41, a screw 42, and an anti-slip seat 43. A threaded column is fixedly welded to the lower part of the outer mold base plate 1. The upper end of the threaded cylinder 41 is connected to the threaded column. The screw 42 is connected to the lower end of the threaded cylinder 41. The anti-slip seat 43 is fixedly installed at the lower end of the screw 42.

[0022] In this embodiment, a locking nut 44 is threadedly installed on the surface of the screw 42 between the anti-slip seat 43 and the threaded cylinder 41. After the position of the screw 42 is adjusted, the locking nut 44 can be tightened upwards to increase the stability of the screw 42.

[0023] To enable rapid splicing between adjacent outer mold base plates 1, in this embodiment, an integral protrusion 11 is provided at the middle position of the upper edge on both sides of the outer mold base plate 1, and a slot is provided at the middle position of one side of the outer mold side top plate 2. The outer mold side top plate 2 is movably hinged to the corresponding protrusion 11 through the slot.

[0024] To ensure sealing, in this embodiment, a sealing strip 7 is provided at the connection between the outer mold side top plate 2 and the outer mold bottom plate 1.

[0025] To ensure that the outer mold side top plate 2 will not open from both sides of the outer mold bottom plate 1 during transportation, in this embodiment, a magnetic plate 5 is fixedly installed at the bottom of the outer mold side top plate 2.

[0026] Furthermore, in order to ensure a stable connection between adjacent outer mold base plates 1, in this embodiment, threaded seats 6 are fixed at both the front and rear ends of the bottom of the outer mold base plate 1. The threaded seats 6 are used to connect bolts, and adjacent outer mold base plates 1 can be fixedly connected by bolts.

[0027] The specific operating steps are as follows: When box girder manufacturing is required, the outer formwork base plate 1 can be moved to the processing position by rollers 3, the outer formwork side top plate 2 can be opened from both sides of the outer formwork base plate 1, and supported at the bottom of the outer formwork side top plate 2 by telescopic support rods 4. The height of the telescopic support rods 4 can be adjusted to keep the outer formwork side top plate 2 horizontal. Then, the adjacent outer formwork base plates 1 can be connected to the slot opening 13 by protruding ribs 12 to complete the installation of a section of box girder outer formwork. Then, the reinforcing bars can be tied and the inner formwork can be installed before concrete can be poured.

[0028] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, the patent owner may make various modifications or alterations within the scope of the appended claims, as long as they do not exceed the protection scope described in the claims of the present invention, they shall all be within the protection scope of the present invention.

Claims

1. A folding box girder form comprising a steel box girder outer form characterised in that: The outer formwork of the box girder includes an outer formwork base plate and two outer formwork side top plates. The outer formwork base plate has a U-shaped cross-section. The two outer formwork side top plates are respectively hinged to the upper ends of the two sides of the outer formwork base plate. Telescopic support rods are detachably installed at the bottom of the outer formwork side top plates. The telescopic support rods are used to support the outer formwork side top plates. Rollers are installed at the four corners of the bottom of the outer formwork base plate. A protruding rib is fixed on the front side of the outer formwork base plate. A slot with a size corresponding to the protruding rib is opened on the rear side of the outer formwork base plate.

2. The foldable box beam form according to claim 1, wherein: The telescopic support rod includes a threaded cylinder, a screw, and an anti-slip seat. A threaded column is fixedly welded to the lower part of the outer mold base plate. The upper end of the threaded cylinder is connected to the threaded column. The screw is connected to the lower end of the threaded cylinder. The anti-slip seat is fixedly installed at the lower end of the screw.

3. The folding box girder form according to claim 2, wherein: A locking nut is threadedly installed on the screw surface between the anti-slip seat and the threaded cylinder.

4. The foldable box beam form according to claim 1, wherein: The outer mold base plate has an integral protrusion at the middle of the upper edge on both sides, and a slot is provided at the middle of one side of the outer mold top plate. The outer mold top plate is movably hinged to the corresponding protrusion through the slot.

5. The foldable box beam form according to claim 1, wherein: A sealing strip is provided at the connection between the top plate of the outer mold side and the bottom plate of the outer mold.

6. The foldable box beam form according to claim 1, wherein: A magnet plate is fixedly installed at the bottom of the top plate of the outer mold side.

7. The foldable box beam form according to claim 1, wherein: The bottom of the outer mold base plate is fixed with threaded seats at both the front and rear ends, and the threaded seats are used to connect bolts.

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