Prefabricated bridge deck shear groove formwork
By setting a positioning frame and a detachable positioning steel plate at the shear groove location, the problems of difficult disassembly and assembly and poor reusability of shear groove formwork are solved, realizing rapid disassembly and assembly and cost savings, adapting to changes in rebar spacing, and improving construction efficiency and quality.
Patent Information
- Application Number
- CN202520087439.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-14
AI Technical Summary
In existing technologies, shear groove formwork is difficult to assemble and disassemble, its quality is hard to guarantee, and it is not easy to reuse, resulting in slow construction progress and high costs.
The system employs a positioning frame and detachable positioning steel plates. Shear grooves are formed by the enclosing of the positioning steel plates. After the shear grooves are formed, the positioning steel plates can be disassembled, enabling quick assembly and disassembly. The system can also adapt to changes in rebar spacing by replacing positioning steel plates of different sizes, and the positioning steel plates are reusable.
It enables rapid assembly and disassembly of shear groove formwork, ensuring construction quality, shortening construction time, reducing costs, and adapting to changes in rebar spacing, thereby improving construction efficiency.
Smart Images

Figure CN223802771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the prefabricated construction technical field of bridge deck slab especially relates to a prefabricated bridge deck slab shear slot form. BACKGROUND
[0002] With the continuous development of city construction, the application of steel concrete composite beam is becoming more and more widely, and the prefabricated bridge deck slab is used as the bearing structure of the steel concrete composite beam and is connected with the steel beam through the reserved shear slot; the shear slot form is often used for pouring the shear slot during the bridge deck construction. After the construction of the shear slot is completed, the shear slot form in the bridge deck slab needs to be removed. The traditional reserved mode of the shear slot is to use the closing net or the comb tooth wooden strip, which not only has a large reinforcing difficulty, but also cannot guarantee the quality of the slot, and after the pouring of the concrete is completed, the manual chiseling is needed, which is time-consuming and laborious. Therefore, a prefabricated bridge deck slab shear slot form which can adapt to the change of the steel bar spacing, can be quickly disassembled and reused, can guarantee the construction quality and speed up the construction progress, and can save the cost is needed. SUMMARY
[0003] The utility model aims at solving the above technical problems existing in the prior art, and provides a prefabricated bridge deck slab shear slot form, which is characterized by comprising a positioning frame and a positioning steel plate, the positioning steel plate is detachably installed on the positioning frame, the positioning steel plate is provided with a plurality of positioning steel plates, the plurality of positioning steel plates are arranged along the positioning frame and are combined to form a shear slot, a missing slot is arranged on the side edge of the positioning steel plate, and a through slot is formed by two adjacent missing slots, and the through slot is used for passing through the steel bar.
[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:
[0005] A prefabricated bridge deck slab shear slot form, characterized by comprising a positioning frame and a positioning steel plate, the positioning steel plate is detachably installed on the positioning frame, the positioning steel plate is provided with a plurality of positioning steel plates, the plurality of positioning steel plates are arranged along the positioning frame and are combined to form a shear slot, a missing slot is arranged on the side edge of the positioning steel plate, and a through slot is formed by two adjacent missing slots, and the through slot is used for passing through the steel bar.
[0006] The utility model aims at solving the above technical problems existing in the prior art, and provides a prefabricated bridge deck slab shear slot form, which is characterized by comprising a positioning frame and a positioning steel plate, the positioning steel plate is detachably installed on the positioning frame, the positioning steel plate is provided with a plurality of positioning steel plates, the plurality of positioning steel plates are arranged along the positioning frame and are combined to form a shear slot, a missing slot is arranged on the side edge of the positioning steel plate, and a through slot is formed by two adjacent missing slots, and the through slot is used for passing through the steel bar.
[0007] Further, the positioning frame comprises an upper positioning frame and a lower positioning frame, the upper positioning frame and the lower positioning frame are arranged in a top-to-bottom corresponding mode, one end of the positioning steel plate is detachably mounted on the upper positioning frame, and the other end of the positioning steel plate abuts against the outside of the lower positioning frame.
[0008] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0009] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0010] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0011] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0012] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0013] Further, the upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
[0014] The utility model discloses a positioning frame for prefabricated bridge deck slab shear slot formwork, which comprises a positioning steel plate and a positioning frame.
[0015] The utility model discloses a positioning frame for prefabricated bridge deck slab shear slot formwork, which comprises a positioning steel plate and a positioning frame. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the prefabricated bridge deck slab shear slot formwork of the utility model.
[0017] Figure 2 It is a structural schematic view of the prefabricated bridge deck slab shear slot formwork of the utility model.
[0018] Figure 3 It is a structural schematic view of the prefabricated bridge deck slab shear slot formwork of the utility model.
[0019] Figure 4 It is a structural schematic view of the prefabricated bridge deck slab shear slot formwork of the utility model.
[0020] Figure 5 The utility model shear groove template installation flow chart.
[0021] The signs in the drawing are: 1 - upper positioning frame;2 - lower positioning frame;3 - positioning steel plate;4 - missing groove;5 - through groove;6 - angle steel;7 - reinforcing rib;8 - connecting plate;9 - hook;10 - demolition hole;11 - stop band;12 - shear groove;13 - steel bar. DETAILED DESCRIPTION
[0022] The utility model is further explained below in combination with the drawings and examples.
[0023] As Figures 1 to 5 The utility model discloses a prefabricated bridge deck slab shear groove template, including positioning frame and positioning steel plate 3, the positioning frame includes upper positioning frame 1 and lower positioning frame 2, and upper positioning frame 1 and lower positioning frame 2 are set in shear groove 12 reservation position in alignment, and the steel bar cage formed by the binding of multiple steel bars 13 is installed between upper positioning frame 1 and lower positioning frame 2, one end of positioning steel plate 3 is detachably installed on upper positioning frame 1, the other end of positioning steel plate 3 is in abutment with lower positioning frame 2 and is located outside lower positioning frame 2, positioning steel plate 3 is equipped with multiple, multiple positioning steel plate 3 is along positioning frame and is combined and forms shear groove 12, and the side of positioning steel plate 3 is equipped with missing groove 4, and two adjacent missing grooves 4 form through groove 5, and through groove 5 is used for the passing of steel bar 13.
[0024] The utility model discloses a prefabricated bridge deck slab shear groove template, including positioning frame and positioning steel plate 3, the positioning frame includes upper positioning frame 1 and lower positioning frame 2, and upper positioning frame 1 and lower positioning frame 2 are set in shear groove 12 reservation position in alignment, and the steel bar cage formed by the binding of multiple steel bars 13 is installed between upper positioning frame 1 and lower positioning frame 2, one end of positioning steel plate 3 is detachably installed on upper positioning frame 1, the other end of positioning steel plate 3 is in abutment with lower positioning frame 2 and is located outside lower positioning frame 2, positioning steel plate 3 is equipped with multiple, multiple positioning steel plate 3 is along positioning frame and is combined and forms shear groove 12, and the side of positioning steel plate 3 is equipped with missing groove 4, and two adjacent missing grooves 4 form through groove 5, and through groove 5 is used for the passing of steel bar 13.
[0025] The utility model discloses upper positioning frame 1 and lower positioning frame 2 are all movably arranged, can be positioned according to different prefabricated bridge deck slab shear groove 12 position, and shear groove template is split into several positioning steel plate 3, can pass through the embedding of different width positioning steel plate 3 according to the longitudinal transverse steel bar 13 interval of this position, to adapt to various steel bar 13 interval, and installation is convenient and quick, can be repeatedly used, solve the difficult problem that prefabricated bridge deck slab shear groove 12 position is changeable, and steel bar 13 interval changes, simple structure, high practicality, is applicable to the similar situation's bridge deck slab prefabrication construction, has realized bridge deck slab shear groove template quick installation and removal.
[0026] As Figure 4As shown, the upper positioning frame 1 and the lower positioning frame 2 have the same structure, both welded from angle steel 6. The upper positioning frame 1 and the lower positioning frame 2 are both rectangular in shape. The positioning steel plate 3 is installed along the rectangular positioning frame. The upper positioning frame 1 and the lower positioning frame 2 are both provided with reinforcing ribs 7 in the middle. The reinforcing ribs 7 increase the structural strength of the upper positioning frame 1 and the lower positioning frame 2. The upper positioning frame 1 and the lower positioning frame 2 are both provided with connecting plates 8 on their sides. The positioning steel plate 3 is hung on the connecting plate 8 of the upper positioning frame 1 by hooks 9, so as to realize the installation and removal of the positioning steel plate 3. The lower end of the positioning steel plate 3 abuts against the connecting plate 8 of the lower positioning frame 2. The connecting plate 8 of the lower positioning frame 2 can increase the contact area between the lower positioning frame 2 and the positioning steel plate 3. The connecting plate 8 of the lower positioning frame 2 is used to prevent the positioning steel plate 3 from tilting inward and to ensure the verticality of the positioning steel plate 3.
[0027] like Figure 3 As shown, the positioning steel plate 3 is provided with hooks 9 and removal holes 10. There are at least two hooks 9. In this embodiment, two hooks 9 are used. The two hooks 9 can ensure the stability of the positioning steel plate 3 when it is installed on the upper positioning frame 1 and prevent shaking. The positioning steel plate 3 is hung on the connecting plate 8 of the upper positioning frame 1 through the hooks 9. The design of the hooks 9 realizes the disassembly and installation of the positioning steel plate 3, which is convenient for disassembly of the positioning steel plate 3. The design of the removal hole 10 is used for the removal of the positioning steel plate 3. After the shear groove template is installed, concrete will be poured on the outside of the shear groove 12. After the concrete has initially set, the positioning steel plate 3 can be pulled out by using a pry bar through the removal hole 10, thereby saving the force required to remove the positioning steel plate 3.
[0028] In this embodiment, there are two types of positioning steel plates 3. One type of positioning steel plate 3 has notches 4 on both sides, and the positioning steel plate 3 with notches 4 on both sides is installed on the four sides of the rectangular positioning frame. The other type of positioning steel plate 3 has notches 4 on only one side, and the positioning steel plate 3 with notches 4 on only one side is installed at the four corners of the rectangular positioning frame to avoid the formation of through grooves 5 at the corners.
[0029] A grout-stopping strip 11 is provided on the outer side of the positioning steel plate 3. The grout-stopping strip 11 is set around the positioning steel plate 3. The function of the grout-stopping strip 11 is to seal the area of the through groove 5 that does not pass through the reinforcing bar 13, so as to prevent concrete from leaking from the through groove 5 into the shear groove 12 when pouring concrete.
[0030] In this embodiment, the installation process of the shear groove template is as follows:
[0031] The lower positioning frame 2 is installed on the bottom mould according to the designed position of the shear groove 12, the steel bars 13 formed by binding a plurality of steel bars 13 are installed on the lower positioning frame 2, after the steel bars 13 are installed in place, the upper positioning frame 1 is prevented on the steel bars 13, the upper positioning frame 1 is located directly above the lower positioning frame 2, then the positioning steel plates 3 with different widths are selected according to the reserved position of the shear groove 12 and the spacing between the steel bars 13, the positioning steel plates 3 are hung on the upper positioning frame 1 through the hooks 9, the lower ends of the positioning steel plates 3 are located outside the lower positioning frame 2 and abut against the connecting plates 8 of the lower positioning frame 2, the positioning steel plates 3 are installed in sequence to make the positioning steel plates 3 four-sided closed and enclosed to form the shear groove 12, and the stop band 11 is arranged on the outside of the shear groove 12, i.e. the side of pouring the concrete, the stop band 11 blocks the area not penetrated by the steel bars 13 of the through groove 5, thereby the installation of the shear groove mould plate is completed
[0032] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is included in the protection scope of the present application.
Claims
1. A precast bridge deck panel shear slot form, characterized by: The utility model provides a positioning frame and positioning steel plate, the positioning steel plate is detachably installed on the positioning frame, the positioning steel plate is equipped with a plurality of, a plurality of positioning steel plate is along the positioning frame and is surrounded and forms shear slot, the side of positioning steel plate is equipped with the slot, two adjacent slots form through groove, and the through groove is used for steel bar to pass through.
2. A precast bridge deck panel shear slot form according to claim 1, wherein: The positioning frame includes an upper positioning frame and a lower positioning frame, the upper positioning frame and the lower positioning frame are arranged in correspondence, one end of the positioning steel plate is detachably installed on the upper positioning frame, and the other end of the positioning steel plate abuts against the outside of the lower positioning frame.
3. A precast bridge deck panel shear slot form according to claim 2, wherein: The upper positioning frame and the lower positioning frame are the same structure, and are both welded by angle steel, and both present rectangular.
4. A precast bridge deck panel shear slot form according to claim 2, wherein: The upper positioning frame and the lower positioning frame are both provided with reinforcing ribs.
5. A precast bridge deck panel shear slot form according to claim 2, wherein: The side of the upper positioning frame and the lower positioning frame is both provided with a connecting plate, the connecting plate of the upper positioning frame is used for the installation of the positioning steel plate, and the connecting plate of the lower positioning frame abuts against the positioning steel plate.
6. A precast bridge deck panel shear slot form according to claim 1, wherein: The positioning steel plate is provided with a hook, and the positioning steel plate is detachably installed on the positioning frame through the hook.
7. A precast bridge deck panel shear slot form according to claim 6 wherein: The hook is provided with at least two, to ensure the stability of the installation of the positioning steel plate.
8. A precast bridge deck panel shear slot form according to claim 1, wherein: The positioning steel plate is provided with a removal hole, and the removal hole is used for detaching the positioning steel plate.
9. A precast bridge deck panel shear slot form according to claim 1, wherein: The outer side of the positioning steel plate is provided with a grout stop strip, the grout stop strip is arranged around the positioning steel plate, and the grout stop strip is used for plugging the through groove.