Detachable forming test mold for manufacturing concrete test piece
The modular design of the high-strength plastic mold solves the problems of heavy weight, inconvenient operation, and rusting of traditional steel molds, enabling lightweight and low-cost mold applications that are suitable for large-scale production and repeated use.
Patent Information
- Application Number
- CN202520057225.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Traditional steel test molds are heavy, inconvenient to operate, costly, and prone to rust, making them unsuitable for large-scale production and repeated use.
The high-strength plastic test mold adopts a modular design, including a loading end side mold, a free end side mold, and a base plate unit. It can be easily assembled and disassembled through connecting pins and fasteners. It uses ABS or polypropylene materials, and the sleeve fittings and through holes are used to place the reinforcing bars to avoid rusting.
It achieves a lightweight and easy-to-operate trial mold design, reducing costs and making it suitable for mass production. In addition, the plastic material has good corrosion resistance, reducing maintenance costs.
Smart Images
Figure CN223808203U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to civil engineering material testing technical field, concretely relates to a kind of detachable forming test mould for steel bar and concrete bonding performance test. BACKGROUND
[0002] In civil engineering, the bonding performance of steel bar and concrete directly affects the overall performance and durability of the structure. Traditional steel bar and concrete bonding test usually uses steel test mould to make test piece to meet the demand of structural stress analysis. However, such steel test mould is heavy in texture, inconvenient to carry and operate, and the cost of steel material is high, especially when a large number of test pieces need to be made, the cost of test mould increases significantly; after being used for many times, the steel test mould is prone to rust and other problems, which needs regular maintenance, increasing the maintenance cost.
[0003] Therefore, it is necessary to optimize and reform the existing steel test mould. Therefore, the inventor proposes a forming test mould which is easy to disassemble and light in texture. SUMMARY
[0004] In view of the defects of the prior art, the utility model aims to provide a detachable forming test mould for steel bar and concrete bonding performance test. The improved forming test mould is designed as a modular unit, which can be easily assembled and disassembled, has the advantages of easy disassembly, light texture, low cost and easy operation, and solves the defects of the existing steel test mould.
[0005] The technical scheme adopted by the utility model is as follows: a detachable forming test mould for making concrete test piece, comprising a loading end side mould, a free end side mould and a bottom plate unit, the loading end side mould, the free end side mould and the bottom plate unit are all modular unit assemblies, the loading end side mould and the free end side mould are assembled on the bottom plate unit, the bottom plate unit is provided with a connecting pin portion, the bottom of the loading end side mould and the free end side mould is provided with a mounting groove which is adapted to be connected with the connecting pin portion, the loading end side mould and the free end side mould are assembled into an integral structure by a fixing member, a sleeve member for penetrating a steel bar is installed in the middle position of one side plate of the loading end side mould, a through hole for placing a steel bar is formed in the middle position of one side plate of the free end side mould, and the hole diameter of the sleeve member and the through hole is determined according to the diameter of the steel bar to be placed; the loading end side mould, the free end side mould and the bottom plate unit are made of high-strength plastic material, and ABS or polypropylene is preferably selected.
[0006] Further, the axis of the sleeve member and the axis of the through hole are arranged on the same horizontal line.
[0007] Further, the fixing member is a fixing bolt.
[0008] Further, the sleeve member adopts PVC pipe material, and the pipe diameter of the sleeve member is selected from DN16, DN20, DN25 or DN32.
[0009] Further, the cross sections of the loading end side mold and the free end side mold are L-shaped.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The improved forming test mold has the advantages of simple structure, easy disassembly, light weight, low cost and convenient operation, and solves the defects of the existing steel test mold.
[0012] (1) The test mold is designed by modular unit assembly, which can be conveniently assembled and disassembled;
[0013] (2) The test mold is made of high-strength plastic material, which is lighter than the steel test mold, convenient to carry and operate, and the use of plastic material makes the test mold cost lower, suitable for large-scale production and application; in addition, the plastic test mold has good corrosion resistance and will not rust, and can be repeatedly used, reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 Fig. 1 is a structural schematic view of the forming test mold of the utility model.
[0015] Fig. 2 Fig. 2 is a structural schematic view of the loading end side mold and the bottom plate unit of the utility model.
[0016] In the figure: 1. Loading end side mold, 2. Free end side mold, 3. Bottom plate unit, 4. Connecting pin part, 5. Installation groove, 6. Fixing part, 7. Sleeve member, 8. Through hole, 9. Steel bar. DETAILED DESCRIPTION
[0017] The utility model will be further explained and described below in combination with the drawings and examples.
[0018] Example 1
[0019] As Figs. 1-2As shown, a detachable forming mold for making a concrete test piece comprises a loading end side mold 1, a free end side mold 2 and a bottom plate unit 3, the loading end side mold 1, the free end side mold 2 and the bottom plate unit 3 are all modular unit assemblies, the loading end side mold 1 and the free end side mold 2 are assembled on the bottom plate unit 3, the bottom plate unit 3 is provided with a connecting pin portion 4, the bottom of the loading end side mold 1 and the free end side mold 2 is provided with a mounting groove 5 which is adapted to be clamped with the connecting pin portion 4, the loading end side mold 1 and the free end side mold 2 are assembled into an integrated structure through a fixing piece 6, a sleeve piece 7 for penetrating a steel bar 9 is installed at the middle position of one side plate of the loading end side mold 1, a through hole 8 for placing the steel bar 9 is formed at the middle position of one side plate of the free end side mold 2; the loading end side mold 1, the free end side mold 2 and the bottom plate unit 3 are made of high-strength plastic material, and ABS or polypropylene is preferably selected.
[0020] First, the modular unit assembly of the mold is carried out, after the mold assembly is completed, the steel bar 9 is penetrated through the sleeve piece 7 on the free end side mold 1 and passes through the through hole 8 on the free end side mold 2, it is ensured that the steel bar 9 is located on the central axis of the sleeve piece 7 and the through hole 8, standard concrete is poured into the mold, and the compaction treatment can be carried out through a vibration rod or a vibration table; after the concrete is solidified, the fixing piece 6 is removed, the mold is disassembled, and the reinforced concrete test piece is taken out. When making reinforced concrete test pieces of different diameters of steel bars, only the sleeve piece 7 and the through hole 8 with different hole diameters need to be replaced or formed.
[0021] Example 2
[0022] The rest is consistent with the scheme of example 1, the axis of the sleeve piece 7 and the axis of the through hole 8 are arranged on the same horizontal straight line.
[0023] Example 3
[0024] The rest is consistent with the scheme of example 1 or 2, the fixing piece 6 is a fixed bolt.
[0025] Example 4
[0026] The rest is consistent with the scheme of any one of examples 1-3, the sleeve piece 7 is made of PVC pipe material, and the pipe diameter of the sleeve piece 7 is selected from DN16, DN20, DN25 or DN32.
[0027] Example 5
[0028] The rest is consistent with the scheme of any one of examples 1-3, the cross sections of the loading end side mold 1 and the free end side mold 2 are both L-shaped, which reduces the number of mold assembly parts of the prior art and facilitates faster assembly or disassembly.
[0029] The above is the example and the explanation of the utility model, but does not mean that the advantages that the utility model can obtain are limited by this, and all the simple transformation of structure that the utility model can be in the practical process and / or one or more of the advantages realized in some embodiments are within the protection scope of the application.
Claims
1. A removable form for making a concrete test piece, characterized by: It includes loading end side mold (1), free end side mold (2) and bottom plate unit (3), the loading end side mold (1) and free end side mold (2) are assembled on the bottom plate unit (3), the bottom plate unit (3) is provided with connecting pin part (4), the bottom of loading end side mold (1) and free end side mold (2) is provided with installation groove (5) that is formed with the connecting pin part (4) fitting card, the loading end side mold (1) and free end side mold (2) are assembled into an integral structure by fixing part (6), the middle position of one side plate of loading end side mold (1) is installed with sleeve pipe spare (7) for penetrating reinforcing steel bar (9), the middle position of one side plate of free end side mold (2) is provided with through hole (8) for placing reinforcing steel bar (9);The material of loading end side mold (1), free end side mold (2) and bottom plate unit (3) is selected ABS or polypropylene.
2. The collapsible formwork mold for fabricating a concrete test specimen according to claim 1, wherein: The axis of sleeve pipe spare (7) and the axis of through hole (8) are arranged on the same horizontal straight line.
3. The collapsible formwork mold for fabricating a concrete test specimen according to claim 1, wherein: The fixing part (6) adopts fixed bolt.
4. The collapsible formwork mold for fabricating a concrete test specimen according to claim 1, wherein: The sleeve pipe spare (7) adopts PVC pipe material, and the pipe diameter of the sleeve pipe spare (7) is selected DN16 or DN20 or DN25 or DN32.
5. The collapsible formwork mold for fabricating a concrete test specimen according to claim 1, wherein: The cross section of loading end side mold (1) and free end side mold (2) is L shape.