Gradient disappearing chamfering integrated forming device

Through the integrated forming device of gradual vanishing chamfer, a stable closed frame is formed by assembling formwork and reinforcement bars, which solves the stability and high turnover problems of the gradual vanishing chamfer construction of concrete box culverts, improves construction efficiency and reduces costs.

CN223446022UActive Publication Date: 2025-10-17CHINA HYDROPOWER ELEVENTH ENG BUREAU (ZHENGZHOU) CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422573069.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-17
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

In the existing technology, the construction of concrete box culverts with gradually vanishing chamfers is difficult to achieve stability, durability and high turnover, and the processing and manufacturing are complicated, especially in large-scale construction.

Method used

An integrated forming device with gradually vanishing chamfers is used, including a top template, side templates, longitudinal supporting ribs and transverse supporting ribs, to form a closed frame structure. Steel plates or plastic plates and steel bars are welded or glued together, and the structure is designed to be consistent with the shape to be constructed, thereby improving stability and reusability.

Benefits of technology

It achieves the stability and multiple uses of the gradual vanishing chamfer, simplifies the processing and manufacturing process, improves construction efficiency and reduces costs, and is suitable for large-scale engineering needs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223446022U_ABST
    Figure CN223446022U_ABST
Patent Text Reader

Abstract

The utility model provides a gradual change vanishing chamfer integrated forming device. The gradual change vanishing chamfer integrated forming device comprises a top face template, side face templates, longitudinal supporting ribs and transverse supporting ribs. The whole top surface template is triangular; the side templates are two triangular plates which are symmetrically arranged; the inner side edges of the two side face formworks are connected with the two side edges of the top face formwork to form a gradually-changing disappearing chamfering formwork. The longitudinal supporting ribs are laid in the length direction of the outer side edges of the side face formworks and fixed to the side face formworks. The transverse supporting ribs are used for connecting the two longitudinal supporting ribs, and a closed frame structure is formed by the transverse supporting ribs, the top face formwork body and the side face formwork body from the cross section. The gradually-changed vanishing chamfer integrated forming device has the advantages of being convenient to use, stable, durable, high in turnover frequency and convenient to machine and manufacture.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete construction technical field, specifically speaking, relate to a kind of integrated forming device of gradual change vanishing chamfer. BACKGROUND

[0002] Gradual change vanishing chamfer refers to a kind of irregular deformation structure in concrete box culvert structure, it is also obtained by concrete pouring, but due to irregular shape, common device cannot be directly used, construction has certain difficulty.

[0003] At present, concrete box culvert gradual change vanishing chamfer is usually cut into small pieces of bamboo plywood when erecting formwork, uses square wood as support system, this formwork has temporariness, and turnover frequency is low, and it is easy to deform due to insufficient stability, and construction quality is poor.

[0004] Taking the construction of 1 standard project of water delivery and irrigation district engineering of Xixiaoyuan Water Control Project in Henan Province as an example, the project has a total of 8 double-hole square pipe culverts, each pipe culvert has 16 gradual change vanishing chamfers, and a total of 128 gradual change vanishing chamfers, with the characteristics of large quantity.

[0005] Therefore, it is urgent to find a device which is convenient to use, stable and durable, has many turnover times, and is easy to process and manufacture, to assist in completing the large-scale forming demand of gradual change vanishing chamfer. UTILITY MODEL CONTENT

[0006] The utility model aims at the shortage of prior art, and provides a kind of gradual change vanishing chamfer integrated forming device which is convenient to use, stable and durable, has many turnover times and is easy to process and manufacture.

[0007] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a kind of gradual change vanishing chamfer integrated forming device, including top surface formwork, side surface formwork, longitudinal support rib and transverse support rib;

[0008] The top surface formwork is triangular as a whole;

[0009] The side surface formwork is two symmetrical triangular plates;

[0010] The inner side of the two side surface formworks is connected with the two side edges of the top surface formwork, to form gradual change vanishing chamfer formwork;

[0011] The longitudinal support rib is laid along the length direction of the outer side of the side surface formwork and fixed on the side surface formwork;

[0012] The transverse support rib is used to connect two longitudinal support ribs, to form a closed frame structure with the top surface formwork and the side surface formwork from cross section.

[0013] Preferably, the top surface template is an isosceles triangle with an acute angle, an obtuse angle or a right angle.

[0014] Preferably, the side surface template is an isosceles triangle with an acute angle, an obtuse angle or a right angle.

[0015] Preferably, the diagonal rib is connected with the intersection of the longitudinal supporting rib and the transverse supporting rib at the outer end, and extends to the two side edges of the top surface template at the inner end, and the main body of the diagonal rib is fixed with the side surface template.

[0016] Preferably, the top surface template and the side surface template are both steel plates or plastic plates, which are connected and fixed by welding or gluing.

[0017] Preferably, the longitudinal supporting rib, the transverse supporting rib and the diagonal rib are made of steel bars or metal rods.

[0018] Preferably, the longitudinal supporting rib is located on the inwardly converging side of the gradually vanishing chamfer formwork as a whole.

[0019] Preferably, the top surface template and the side surface template are of the same specification or different specifications.

[0020] Preferably, the top surface template and the side surface template are both integral steel plates or steel plates spliced together.

[0021] Preferably, the diameter of the longitudinal supporting rib is larger than the diameters of the transverse supporting rib and the diagonal rib.

[0022] Compared with the prior art, the utility model has substantial features and progress, specifically, the utility model utilizes the template and the rib splicing and assembling to form the formwork device consistent with the design size of the gradually vanishing chamfer to be constructed, can be directly used in large quantities of construction, does not need complicated splicing operation, and since the whole formwork structure designs the support system guaranteeing structural stability, the formwork structure stability is guaranteed, can be used repeatedly, the reuse rate is high, from the processing and manufacturing angle, only the operation of splicing and rib connecting can be completed, if adopting the steel plate and the steel bar splicing, can also be directly constructed on the site, greatly improves manufacturing efficiency, reduces manufacturing difficulty and cost, has positive significance for the working condition of large quantities of gradually vanishing chamfers in some larger engineering quantities. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the overall structure schematic view of a gradually vanishing chamfer integrally formed device in the utility model.

[0024] Fig. 2 It is the side view of a gradually vanishing chamfer integrally formed device in the utility model.

[0025] In the figure: 1. top surface template; 2. side surface template; 3. longitudinal support rib; 4. transverse support rib; 5. inclined rib. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described in further detail below through specific embodiments.

[0027] As Figs. 1-2 shown in the figure, a gradually vanishing chamfer integrated forming device comprises a top surface template 1, a side surface template 2, a longitudinal support rib 3 and a transverse support rib 4.

[0028] The top surface template 1 is in the shape of a triangle as a whole, and in this embodiment, the size specification shown in the figure is taken as an example for illustration, the top surface template 1 is designed as an isosceles triangle with an acute top angle, and the material is selected as a steel plate, which can be taken on site and processed on site, thus being the most convenient.

[0029] The side surface template 2 is two symmetrically arranged triangular plates, and in this embodiment, the size specification shown in the figure is taken as an example for illustration, the two side surface templates 2 are also isosceles triangles with acute angles, and the size is roughly equivalent to that of the top surface template 1, and the material is also a steel plate.

[0030] The top surface template 1 and the side surface template 2 are either integral steel plates or steel plates spliced together, which can be determined according to the situation of the material on site.

[0031] The inner sides of the two side surface templates 2 are welded to the two sides of the top surface template 1 to form a gradually vanishing chamfer formwork, and it needs to be particularly pointed out that in the overall structure formed, the side protruding outward is the formwork surface, which is the front surface, and the side recessing inward is the support surface, which is the back surface, and the longitudinal support rib is located on the recessed side of the gradually vanishing chamfer formwork, i.e. the back surface, and other ribs are also located on the back surface to play a supporting effect.

[0032] The longitudinal support rib 3 is laid along the length direction of the outer side of the side surface template 2 and fixed to the side surface template, and in this embodiment, the material of the longitudinal support rib 3 is a steel bar, which is fixed to the side surface template 2 by welding.

[0033] The transverse support rib 4 is used to connect two longitudinal support ribs 3, and in this embodiment, the material of the transverse support rib 4 is also a steel bar, and the connection mode also adopts welding, and from the cross section, the transverse support rib 4, the top surface template 1 and the side surface template 2 form a closed frame structure together, which mainly plays a role in supporting the entire template, so that it remains stable during the construction process and is not easy to collapse, and can be reused.

[0034] In order to further increase stability, there is also a diagonal rib 5, in this embodiment, the material of the diagonal rib 5 is also steel, the outer end of the diagonal rib 5 is connected with the intersection of the longitudinal support rib 3 and the transverse support rib 4, the inner end of the diagonal rib 5 extends to the two side edges of the top formwork 1, the main body part of the diagonal rib 5 is fixed with the side formwork 2, and the connection and fixing mode is welding.

[0035] The longitudinal support rib, the transverse support rib and the diagonal rib mainly play a role of stabilizing the structure in the overall structure, and can maximize the stability of the formwork. In the preferred embodiment, the diameter of the longitudinal support rib 3 is greater than the diameter of the transverse support rib 4 and the diagonal rib 5, which plays a role of maintaining stability.

[0036] In other embodiments, the shape of the top formwork can also be an obtuse isosceles triangle or a right isosceles triangle according to the drawing, and the side formwork can also be an obtuse isosceles triangle or a right isosceles triangle according to the drawing, the specifications of the top formwork and the side formwork are the same or different, and the diversification of assembly is realized by the way of combination with each other.

[0037] In terms of material, the top formwork and the side formwork can also be plastic plates, which are connected and fixed by adhesive between each other and between the rib, and can be prefabricated in the factory and transported to the site for construction.

[0038] In terms of material, the longitudinal support rib, the transverse support rib and the diagonal rib can also be metal rods, so as to be used in large quantities in the factory.

[0039] This scheme is first tested and verified in the water delivery and irrigation area engineering construction of the West Xiayuan Water Conservancy Hub in Henan Province. 64 gradual chamfers have been completed, and the device is connected with the conventional section chamfer formwork during the construction of the box culvert bottom plate formwork. The effect is good after pouring and demolding, and it is ready for use after cleaning, which greatly saves the labor cost, and has very good effect from the aspects of user experience, construction progress, quality control and the like.

[0040] Finally, it should be noted that: the above has made a detailed description of the preferred embodiment of the patent, but the patent is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the patent.

Claims

1. A device for integrally forming a gradually vanishing chamfer, characterized in that: Including top formwork, side formwork, longitudinal supporting ribs and transverse supporting ribs; The top surface template is triangular in shape as a whole; The side templates are two triangular plates arranged symmetrically; The inner sides of the two side templates are connected to the two side edges of the top template to form a gradually vanishing chamfered formwork; The longitudinal supporting ribs are laid along the length direction of the outer side of the side formwork and fixed on the side formwork; The transverse supporting ribs are used to connect the two longitudinal supporting ribs, and form a closed frame structure together with the top surface formwork and the side surface formwork from the cross section.

2. The device for integrally forming a gradually vanishing chamfer according to claim 1, characterized in that: The top surface template is an isosceles triangle with an acute angle, an obtuse angle or a right angle as its top angle.

3. The integrated forming device for gradually vanishing chamfering according to claim 1 or 2, characterized in that: The side template is an isosceles triangle with an acute angle, an obtuse angle or a right angle as its top angle.

4. The device for integrally forming a gradually vanishing chamfer according to claim 1 or 2, characterized in that: It also includes oblique ribs, the outer ends of which are connected to the intersection of the longitudinal support ribs and the transverse support ribs, the inner ends of which extend to the two side edges of the top surface template, and the main body of the oblique ribs is fixed to the side template.

5. The device for integrally forming a gradually vanishing chamfer according to claim 4, characterized in that: The top template and the side template are both steel plates or plastic plates, and are fixed by welding or gluing.

6. The device for integrally forming a gradually vanishing chamfer according to claim 5, characterized in that: The longitudinal supporting ribs, transverse supporting ribs and oblique ribs are made of steel bars or metal rods.

7. The device for integrally forming a gradually vanishing chamfer according to claim 6, characterized in that: The longitudinal supporting ribs are located as a whole on the inward side of the gradually vanishing chamfered formwork.

8. The device for integrally forming a gradually vanishing chamfer according to claim 7, characterized in that: The specifications of the top template and the side template are the same or different.

9. The device for integrally forming a gradually vanishing chamfer according to claim 8, characterized in that: The top surface template and the side template are both made of a whole steel plate or spliced ​​steel plates.

10. The device for integrally forming a gradually vanishing chamfer according to claim 9, characterized in that: The diameter of the longitudinal supporting ribs is greater than the diameters of the transverse supporting ribs and the oblique ribs.