Prefabricated box girder formwork capable of preserving heat in winter
By designing an adjustable angle box girder formwork, the problem that the existing formwork cannot adjust the angle is solved, and the needs of box girders of different sizes are adapted to improve work efficiency and convenience of use.
Patent Information
- Application Number
- CN202421241512.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing box girder formwork cannot adjust the angle, which causes difficulties for staff when manufacturing box girders of different sizes. They must prepare multiple templates of different sizes, which increases work complexity and inconvenience and reduces work efficiency.
A prefabricated box girder formwork for winter insulation is designed. The angle of the outer formwork can be adjusted through the adjustment assembly, including the substrate, the load-bearing assembly, the adjustment assembly and the formwork assembly. The hydraulic cylinder is used to drive the central shaft and the upper shaft to drive the lower frame and the upper frame to rotate, and the outer formwork and the end formwork can be flipped through the first and second connecting parts to adjust the angle.
The angle adjustment of the box girder formwork is realized to adapt to different usage needs, and the external formwork is provided with support and reinforcement through the adjustment components, improving work efficiency and convenience of use.
Smart Images

Figure CN222807332U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of box beam templates, in particular to a prefabricated box beam template with winter heat preservation. Background Art
[0002] Box girder formwork is a temporary formwork system used to support and form box girder structures. Box girder is a common concrete structure, usually used in bridges, highways, tunnels, subways and other projects. In order to obtain a uniform, stable and design-compliant box girder structure during construction, a box girder formwork is required;
[0003] After checking the disclosure (announcement) number: CN215052140U, a box beam template with a reinforcement component is disclosed. This technology discloses "a box beam template with a reinforcement component, including a template body, a base is provided at the bottom end of the template body, support seats are symmetrically provided on both sides of the template body and the base, a fixing frame is provided between the template body and the support seat, a plurality of through holes are provided on the inner side of the fixing frame, and fixed blocks are fixed at both ends of the through holes corresponding to the surface of the fixing frame, a placement groove is provided on the inner side of the fixing block, and a protective block is provided on the inner side of the placement groove, and a fixing rod is passed through one end of the protective block and one side of the fixing block" and other technical solutions, which have "through the designed torsion spring, the protective block automatically rebounds when not in use, and through the designed protective block, fixed block, fixed rod, torsion spring, the through hole used to penetrate the pipeline is closed through the structure when not in use during the use of the box beam template, thereby increasing the protectiveness of the box beam template when in use" and other technical effects;
[0004] In the process of manufacturing box beams using box beam templates, workers face certain difficulties in manufacturing box beams of different sizes because the angle of the template cannot be adjusted. This situation requires workers to prepare box beam templates of multiple different sizes to meet different manufacturing needs. This undoubtedly increases the complexity and inconvenience of the work and reduces work efficiency. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a prefabricated box girder formwork for winter insulation, which has the characteristics of being able to adjust the angle of the outer formwork through an adjusting component to adapt to different usage requirements, and the adjusting component also plays a supporting and reinforcing role on the outer formwork.
[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a prefabricated box beam template for winter insulation, including a base plate, a box beam mechanism is arranged on the base plate and is used to adjust box beams of different sizes, and the box beam mechanism includes:
[0007] The bearing assembly includes a base fixed on both sides of the top of the base plate by bolts, a plurality of horizontal frames arranged at equal distances are fixed inside the base, and vertical frames are fixed on the horizontal frames;
[0008] The adjustment assembly includes a lower shaft rod fixed between adjacent vertical frames, and lower support frames are rotatably mounted on both ends of the lower shaft rod, an upper support frame is pivotally connected to the upper end of the lower support frame, an upper shaft rod is rotatably mounted between the upper ends of the upper support frames on both sides, and first connecting members are rotatably mounted on both ends of the upper shaft rod;
[0009] The template assembly includes an outer template fixed on a first connecting member.
[0010] Preferably, the adjustment assembly further comprises a central axis rod fixed between upper positions of the lower ends of the upper supports on both sides, a first hydraulic cylinder is pivotally connected to the lower axis rod, and an output end of the first hydraulic cylinder is pivotally connected to the central axis rod.
[0011] Preferably, the template assembly includes an end template hinged on the upper end of the outer template, and a second hydraulic cylinder is pivotally connected to the upper shaft rod, a second connecting member is pivotally connected to the output end of the second hydraulic cylinder, and the second connecting member is fixedly connected to the end template.
[0012] Preferably, the formwork assembly further comprises a connecting plate hinged at the lower end of the outer formwork.
[0013] Preferably, the template assembly also includes a bottom template fixedly connected between the connecting plates on both sides by bolts.
[0014] Preferably, a support frame is fixed to the top center of the base plate by bolts.
[0015] Beneficial Effects
[0016] The utility model provides a prefabricated box beam template for winter insulation. Compared with the prior art, it has the following beneficial effects:
[0017] (1) The first hydraulic cylinder drives the central axis rod to cooperate with the upper support frame to drive the lower support frame to rotate, and at the same time, the upper support frame also drives the outer template to flip through the first connecting member; and the adjustment component also plays a role in supporting and reinforcing the outer template.
[0018] (2) The output end of the second hydraulic cylinder drives the second connecting member to flip the end template, thereby adjusting the angle between the end template and the outer template to meet different usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 It is a structural schematic diagram of the bottom of the utility model;
[0021] Figure 3It is a structural schematic diagram of the box beam mechanism in the utility model;
[0022] Figure 4 It is a structural schematic diagram of the load-bearing component in the utility model.
[0023] In the figure: 1. base plate; 2. box beam mechanism; 21. bearing assembly; 211. base; 212. cross frame; 213. vertical frame; 22. adjustment assembly; 221. lower shaft rod; 222. lower support frame; 223. upper support frame; 224. upper shaft rod; 225. first connecting piece; 226. middle shaft rod; 227. first hydraulic cylinder; 23. formwork assembly; 231. outer formwork; 232. end formwork; 233. connecting plate; 234. bottom formwork; 235. second hydraulic cylinder; 236. second connecting piece; 3. support frame. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-4 The utility model provides a technical solution for a prefabricated box beam template with winter insulation: a prefabricated box beam template with winter insulation, comprising a base plate 1, a box beam mechanism 2 is arranged on the base plate 1 and is used to adjust box beams of different sizes, and the box beam mechanism 2 comprises:
[0026] The bearing assembly 21 includes a base 211 fixed by bolts on both sides of the top of the base plate 1, a plurality of equally spaced horizontal frames 212 are fixed inside the base 211, and vertical frames 213 are fixed on the horizontal frames 212;
[0027] The adjustment assembly 22 includes a lower shaft rod 221 fixed between adjacent upright frames 213, and lower support frames 222 are rotatably mounted on both ends of the lower shaft rod 221, an upper support frame 223 is pivotally connected to the upper end of the lower support frame 222, an upper shaft rod 224 is rotatably mounted between the upper ends of the upper support frames 223 on both sides, and first connecting members 225 are rotatably mounted on both ends of the upper shaft rod 224;
[0028] The template assembly 23 includes an outer template 231 fixed on the first connecting member 225 .
[0029] In this embodiment, the first hydraulic cylinder 227 drives the central axis rod 226 to cooperate with the upper support frame 223 to drive the lower support frame 222 to rotate. At the same time, the upper support frame 223 also drives the outer template 231 to flip through the first connecting member 225 to meet different usage requirements.
[0030] Specifically, the adjustment assembly 22 also includes a central axis rod 226 fixed between the upper lower ends of the upper supports 223 on both sides, a first hydraulic cylinder 227 is pivotally connected to the lower axis rod 221 , and an output end of the first hydraulic cylinder 227 is pivotally connected to the central axis rod 226 .
[0031] In this embodiment, the angle of the outer template 231 can be adjusted by the adjustment component 22 , and the outer template 231 can also be supported and reinforced.
[0032] Specifically, the template assembly 23 includes an end template 232 hinged on the upper end of the outer template 231, and a second hydraulic cylinder 235 is pivotally connected to the upper shaft 224, a second connecting member 236 is pivotally connected to the output end of the second hydraulic cylinder 235, and the second connecting member 236 is fixedly connected to the end template 232.
[0033] In this embodiment, the output end of the second hydraulic cylinder 235 drives the second connecting member 236 to drive the end template 232 to flip, so that the angle between the end template 232 and the outer template 231 can be adjusted.
[0034] Specifically, the template assembly 23 also includes a connecting plate 233 hinged at the lower end of the outer template 231 .
[0035] In this embodiment, when the outer template 231 rotates, it turns over with the hinge point between the lower end and the connecting plate 233 as the axis.
[0036] Specifically, the template assembly 23 also includes a bottom template 234 fixedly connected between the connecting plates 233 on both sides by bolts.
[0037] In this embodiment, the bottom template 234 can be assembled and disassembled with the connecting plate 233 on the outer template 231, so that the bottom template 234 can be replaced according to the required width of the box beam.
[0038] Specifically, a support frame 3 is fixed to the top center of the base plate 1 by bolts.
[0039] In this embodiment, the substrate 1 is fixed to the bottom template 234 through the support frame 3 and supported from below.
[0040] The working principle and use process of the utility model are as follows: First, the base plate 1 is fixed to the bottom template 234 through the support frame 3 and supported from below, and then the bases 211 on both sides are fixed to the base plate 1 by bolts, and fixed to the connecting plates 233 on the outer templates 231 on both sides by bolts.
[0041] Then, the first hydraulic cylinder 227 drives the middle shaft 226 to cooperate with the upper support frame 223 to drive the lower support frame 222 to rotate, and at the same time, the upper support frame 223 also drives the outer template 231 to flip through the first connecting member 225;
[0042] Finally, the output end of the second hydraulic cylinder 235 drives the second connecting member 236 to drive the end template 232 to flip, so that the angle between the end template 232 and the outer template 231 can be adjusted to meet different usage requirements.
[0043] The model of the hydraulic cylinder is: YHG1. As it adopts existing mature technology products, it will not be elaborated in detail here. All the electrical components appearing in this article are connected to the external main controller and 220V AC power.
[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A prefabricated box beam formwork for winter insulation, comprising a base plate (1), characterized in that: The base plate (1) is provided with a box beam mechanism (2) for adjusting box beams of different sizes, and the box beam mechanism (2) comprises: The bearing assembly (21) comprises a base (211) fixed on both sides of the top of the base plate (1) by bolts, a plurality of equidistantly arranged horizontal frames (212) are fixed inside the base (211), and vertical frames (213) are fixed on the horizontal frames (212); The adjustment assembly (22) comprises a lower shaft rod (221) fixed between adjacent upright frames (213), and lower support frames (222) are rotatably mounted on both ends of the lower shaft rod (221), an upper support frame (223) is pivotally connected to the upper end of the lower support frame (222), an upper shaft rod (224) is rotatably mounted between the upper ends of the upper support frames (223) on both sides, and first connecting members (225) are rotatably mounted on both ends of the upper shaft rod (224); The template assembly (23) includes an outer template (231) fixed on the first connecting member (225).
2. The prefabricated box beam formwork for winter insulation according to claim 1 is characterized in that: The adjustment assembly (22) further comprises a central axis rod (226) fixed between the upper lower ends of the upper supports (223) on both sides, a first hydraulic cylinder (227) is pivotally connected to the lower axis rod (221), and an output end of the first hydraulic cylinder (227) is pivotally connected to the central axis rod (226).
3. The prefabricated box beam formwork for winter insulation according to claim 1 is characterized in that: The template assembly (23) comprises an end template (232) hinged on the upper end of the outer template (231), and a second hydraulic cylinder (235) is pivotally connected to the upper shaft rod (224), a second connecting member (236) is pivotally connected to the output end of the second hydraulic cylinder (235), and the second connecting member (236) is fixedly connected to the end template (232).
4. The prefabricated box beam formwork for winter insulation according to claim 1 is characterized in that: The template assembly (23) further comprises a connecting plate (233) hingedly connected to the lower end of the outer template (231).
5. The prefabricated box beam formwork for winter insulation according to claim 4, characterized in that: The template assembly (23) further comprises a bottom template (234) fixedly connected between the connecting plates (233) on both sides by bolts.
6. The prefabricated box beam formwork for winter insulation according to claim 1, characterized in that: A support frame (3) is fixed to the top center of the base plate (1) by means of bolts.
Citation Information
Patent Citations
Box girder formwork with reinforcing assembly
CN215052140U