Novel concrete test piece molding device

Abstract

The utility model discloses a novel concrete test piece molding device. The novel concrete test piece molding device comprises a vibration table, a mold connecting bolt, a mold fixing nut, a novel concrete cubic mold, a novel concrete prismoid mold, a novel concrete cylindrical mold and a mold plug, the novel concrete test piece molding device is made of stainless steel and is sprayed with a nano silicon dioxide coating. According to the utility model, a nano silicon dioxide coating spraying process is adopted, so that the application of the superiority of the performance of the nano silicon dioxide coating in the field of civil engineering experimental equipment is fully exerted, and meanwhile, the die plug which can exactly and compactly plug the die after the die is mounted is fixedly connected to the working table; the problem of blocking the demolding air hole of the mold in the concrete pouring process is effectively solved, meanwhile, the demolding air hole can be completely sealed by the mold plug, the top face of the mold plug is flush with the bottom face of the mold cylinder, and it is guaranteed that a poured concrete member is flat and smooth.

Description

Technical Field

[0001] The invention relates to the field of civil engineering devices, and in particular to a novel concrete specimen molding device. Background Art

[0002] Civil engineering material research is an important part of civil engineering research. Civil engineering material experiments often require casting a large number of concrete standard specimens to study the mechanical properties of concrete such as tension, compression, and bending. The casting of traditional concrete standard specimens requires the use of plastic concrete molds and vibration tables for model casting.

[0003] When tamping concrete and casting models on a vibration table, since there is no mold fixing device on the vibration table, it is usually necessary for an experimenter to stabilize and assist another experimenter in casting the concrete model specimen. This casting method greatly reduces the experimental progress and efficiency, and is very likely to cause pollution to the experimenters and their clothes. Plastic concrete molds are prone to adhesion to concrete, making it difficult to demold the concrete, affecting the progress of the experiment. At the same time, this problem is very likely to cause incomplete demolding or damage the concrete specimen during the demolding process, affecting the performance of the concrete specimen after molding in subsequent research on mechanical properties such as tension, compression, and bending, and cannot guarantee the accuracy of the experimental results. At the same time, the demolding pores at the bottom of the ordinary plastic concrete mold are very likely to cause the concrete to solidify and clog at the demolding pores when the model is cast, which brings great inconvenience to demolding and is also very likely to cause the situation where demolding cannot be carried out.

[0004] In addition, since the vibration table and plastic concrete mold materials are easy to adhere to concrete, these experimental equipment are often difficult to clean after the concrete adhesion and solidification occurs, which affects the subsequent use and life of the experimental equipment. For this reason, we proposed a new concrete specimen molding device. Summary of the invention

[0005] In view of the defects of the existing technology and equipment, the purpose of the utility model is to provide a new type of concrete specimen molding device. The utility model adopts a nano-silicon dioxide coating spraying process, which gives full play to the superiority of the performance of the nano-silicon dioxide coating in the field of civil engineering experimental equipment. At the same time, the utility model adopts a mold plug fixed on the work table that can seal the mold tightly after installation, which effectively solves the problem of sealing the mold demolding pores during concrete pouring. At the same time, the structure can make the demolding pores completely sealed by the mold, and the top surface of the mold plug is flush with the bottom surface of the mold tube, ensuring that the cast concrete component is flat and smooth.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] A novel concrete specimen molding device, the device comprising a vibration table (1), mold connecting bolts (2), mold fixing nuts (3), a novel concrete cube mold (4), a novel concrete prism mold (5), a novel concrete cylinder mold (6), and a mold plug (7); the vibration table (1) comprises an upper base (11) of the vibration table, a lower base (12) of the vibration table, a shock absorbing spring device (13), a work surface (14), a vibration motor (15), a vibration motor support (16), connecting bolts (17), and nuts (18); the shock absorbing spring device (13) is arranged The vibrating table is mounted on four ends between a base (11) and a lower base (12); the work surface (14) is fixedly connected to the base (11) on the vibrating table; a support (16) of a vibrating motor (15) is fixedly connected to the base (11) on the vibrating table and the middle of the work surface (14); connecting bolts (17) and nuts (18) are connected to the support (16) of the vibrating motor (15) and the mounting holes (19) of the vibrating motor (15) to mount the vibrating motor (15) under the work surface (14) of the vibrating table; the novel concrete specimen molding device is made of stainless steel and sprayed with a nano-silicon dioxide coating.

[0008] Furthermore, the vibration table (1) comprises an upper base (11) of the vibration table, a lower base (12) of the vibration table, a shock absorbing spring device (13), a work surface (14), a vibration motor (15), a vibration motor support (16), connecting bolts (17), and nuts (18). The upper base (11) and the lower base (12) of the vibration table (1) are both 550×550 mm in size. The shock absorbing spring device (13) is installed at four ends between the upper base (11) and the lower base (12) of the vibration table. The dimensions are 60 mm in diameter and 130 mm in height; the work surface (14) is fixedly connected to the base (11) on the vibration table, and the dimensions are 800×800 mm; the vibration motor support (16) is fixedly connected to the base (11) on the vibration table and the middle of the work surface (14), and the vibration motor (15) is installed under the work surface (14) of the vibration table (1) by connecting bolts (17) and nuts (18) through the mounting holes (19) on the vibration motor support (16) and the vibration motor (15).

[0009] Preferably, the mold connecting bolts (2) are fixedly connected to the vibrating table work surface (14), and there are four groups of mold connecting bolts (2) on the work plane. The mold connecting bolts (2) have four bolts, the bolt spacing is 400 mm, the bolt spacing within the group is 185 mm, and the length of the mold connecting bolts (2) is 13 mm; the bolts are connected to the mold fixing nuts (3) through the mounting holes (19) of the cubic mold, the concrete prism mold (5), and the cylindrical mold, and tightened to fix the mold on the vibrating table work surface (14).

[0010] Preferably, the mold fixing nut (3) comprises a nut connecting hole (31) and a nut barrel (32); a threaded nut connecting hole (31) is provided in the nut barrel (32) with a depth of 10 mm.

[0011] Furthermore, the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) can be screwed into and installed on the mold connecting bolt (2) to install the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) on the working table (14) (14) of the vibration table (1). The outer wall of the nut barrel (32) is provided with a knurled pattern to facilitate the experimenter to install and remove the mold fixing nut (3).

[0012] Preferably, the novel concrete cube mold (4) comprises a first mold base (41), a first mold mounting hole (42), a first mold cylinder (43), and a first mold demoulding hole (44), wherein the first mold base (41) is located at the bottom of the first mold cylinder (43) and is integrally formed.

[0013] Furthermore, the size of the first mold base (41) is 200×200 mm, and the four ends of the base are provided with first mold mounting holes (42)(19). The mold sleeve is 163 mm high, the wall thickness of the mold sleeve is 3 mm, and stiffening plates are arranged outside the mold sleeve. The mold sleeve is hollow and can be used to cast a 150×150×150 mm standard concrete cube specimen. A first mold demoulding air hole (44) is provided in the middle of the bottom of the first mold cylinder (43), and the demoulding air hole has a diameter of 2 mm for demoulding with a demoulding gun.

[0014] Preferably, the concrete prism mold (5) comprises a second mold base (51), a second mold mounting hole (52), a second mold barrel (53), and a second mold demoulding hole (54); the mold sleeve is 313 mm high, the mold sleeve wall thickness is 3 mm, and a stiffening plate is arranged outside the mold sleeve. The mold sleeve is hollow and can be used for casting a standard concrete prism specimen of 150×150×300 mm; a second mold demoulding hole (54) is provided in the middle of the bottom of the second mold barrel (53); the demoulding hole has a diameter of 2 mm and is used for demoulding with a demoulding gun; the second mold base (51) is located at the bottom of the second mold barrel (53) and is integrally formed.

[0015] Furthermore, the size of the mold base (41) is 200×200 mm, and mold mounting holes (42) are provided at four ends of the base.

[0016] Preferably, the concrete cylindrical mold (6) comprises a third mold base (61), a third mold mounting hole (62), a third mold barrel (63), and a third mold demoulding air hole (64); the mold sleeve is 313 mm high, the mold sleeve wall thickness is 3 mm, and a stiffening plate is arranged outside the mold sleeve. The mold sleeve is hollow and can be used for casting a standard concrete cylindrical specimen of Φ150×300 mm; a third mold demoulding air hole (64) is provided in the middle of the bottom of the third mold barrel (63), and the demoulding air hole has a diameter of 2 mm, which is used for demoulding with a demoulding gun.

[0017] Preferably, the mold plug (7) is fixedly connected to the working table (14) (14) of the vibration table (1) at the middle of each group of mold connecting bolts (2), and the mold demoulding holes (44) (54) (64) on the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are aligned, so that after the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are installed on the vibration table (1), the demoulding holes (44) (54) (64) at the bottom of the mold can be completely blocked and tightly sealed by the mold plug (7).

[0018] Preferably, after the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are loaded into the vibration table (1), the top surface of the mold plug (7) is flush with the bottom surface of the inner wall of the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6).

[0019] Beneficial Effects

[0020] 1. The new concrete specimen molding device uses nano-silicon dioxide coating spraying technology on the surface of the vibration table work surface, new concrete cube mold, new concrete prism mold, new concrete cylinder mold, mold plug, mold connecting bolt, and mold fixing nut. The microstructure of the nano-coating is very smooth, and the coating surface has a layer of extremely fine nano-level protrusions and nano-textures. This microstructure makes the coating surface form an extremely low surface energy and has a large hydrophobic angle and excellent hydrophobicity. Water and other liquids cannot form continuous droplets on it. Compared with traditional equipment and molds, concrete cannot be firmly adsorbed and solidified on the surface of equipment and molds after spraying with nano-silicon dioxide coating, so that the instrument and mold can be quickly cleaned with a high-pressure water gun, which improves the experimental efficiency and extends the life of the equipment and molds.

[0021] 2. The new concrete specimen molding device uses a nano-silicon dioxide coating spraying process on the surface of the new concrete cube mold, the new concrete prism mold, and the new concrete cylinder mold to ensure that the inner wall of the mold remains clean after cleaning, does not affect the reuse of the mold, and ensures that the mold can cast a complete concrete experimental component that meets the requirements.

[0022] 3. The new concrete specimen molding device uses a nano-silicon dioxide coating spraying process on the surface of the new concrete cube mold, the new concrete prism mold, the new concrete cylinder mold, and the mold plug, which can make the concrete components easily and completely demolded when demolded, avoiding the problems of the mold being unable to be demolded after pouring and curing, damage to the demolding components, and incomplete demolding.

[0023] 4. The new concrete specimen molding device uses a nano-silicon dioxide coating spraying process on the surface of the new concrete cube mold, the new concrete prism mold, the new concrete cylinder mold, and the mold plug. It can replace the traditional model casting scheme of brushing engine oil lubrication on the inner wall of the mold, avoiding the problems of too little engine oil brushing, which makes the concrete component unable to be demolded, and too much engine oil brushing, which affects the mechanical properties and curing time of the concrete component.

[0024] 5. The new concrete specimen molding device uses a nano-silicon dioxide coating spraying process on the surface of the new concrete cube mold, the new concrete prism mold, the new concrete cylinder mold, and the mold plug. It can replace the traditional model casting scheme that requires oil lubrication on the inner wall of the mold every time. The nano-silicon dioxide coating can maintain its non-sticky solidified concrete performance for a long time, thereby improving the efficiency of the experiment.

[0025] 6. The new concrete specimen molding device uses mold connecting bolts and mold fixing nuts to fix the new concrete cube mold, the new concrete prism mold, and the new concrete cylinder mold. Compared with the traditional method of hand-held fixation during concrete component casting and vibration, it is easier to operate and more efficient during component casting, and can effectively avoid contamination of the experimenter's clothes and body.

[0026] 7. This new concrete specimen molding device fixes the mold plug at the corresponding position at the bottom, and ensures that the mold connecting bolts are installed along the mold mounting holes and tightened with the mold fixing nuts. The mold plug can fit the mold demolding pores tightly and complete the tight sealing, and keep the top surface of the mold plug flush with the bottom surface of the mold inner wall. Compared with the traditional casting scheme, in which labels are pasted on the bottom of the mold inner wall to seal the demolding pores before casting to prevent the pores from being blocked by concrete, this device is easier to operate. And compared with methods such as pasting labels, which are prone to cause the label position to shift or the label to break during concrete pouring, which will still cause concrete to block the mold demolding pores, this device uses a mold to more effectively prevent concrete from blocking the mold demolding pores.

[0027] 8. The new concrete specimen molding device adopts a mold fixing nut with a knurled pattern, which is convenient for manual installation and removal of the mold fixing nut, making the device easy to operate in fixing and removing the mold.

[0028] 9. This new concrete specimen molding device integrates concrete pouring, concrete component model vibration and compaction, and concrete construction model maintenance into one machine, which centralizes the experiment, avoids manual labor such as carrying molds and concrete components, improves production efficiency, and saves production space.

[0029] 10. The new concrete specimen molding device adopts a nano-silicon dioxide coating spraying process on the surface of the new concrete cube mold, the new concrete prism mold, and the new concrete cylinder mold. When the concrete has not yet solidified, the nano-silicon dioxide coating has a large hydrophobic angle and is not easy to adhere to the concrete. Compared with the traditional casting method and mold material, when this new solution is adopted, the concrete is easier to slide along the inner wall of the mold tube without hanging on the wall. The efficiency of vibration compaction can be effectively improved, while also ensuring the density of the produced concrete components, and ensuring the accuracy of the mechanical properties fed back by the subsequent experimental measurement of the concrete components.

[0030] 11. The new concrete specimen molding device uses stainless steel in the new concrete cube mold, new concrete prism mold, and new concrete cylinder mold, which makes the mold have a longer service life.

[0031] 12. The new concrete specimen molding device adopts nano-silicon dioxide coating spraying technology to protect the metal surface from corrosion and penetration of cement and increase the life of the mold and equipment.

[0032] 13. The new concrete specimen molding device uses stainless steel in the new concrete cube mold, the new concrete prism mold, and the new concrete cylinder mold, and stiffening plates are arranged outside the sleeve to ensure the strength and stability of the mold. Compared with the traditional mold, when subjected to the force of pouring concrete, the inside of the mold tube can be guaranteed not to be deformed, thereby ensuring that the size of the poured concrete components strictly meets the requirements of the specifications, improving the accuracy of the corresponding mechanical properties of subsequent experimental feedback, and at the same time increasing the life of the mold to prevent the mold from slight deformation during the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a new concrete specimen molding device provided by the utility model after the mold is installed;

[0034] Figure 2 It is a schematic diagram of the overall three-dimensional structure of a new concrete specimen molding device provided by the utility model after the mold is disassembled;

[0035] Figure 3 It is an oblique elevation view of a vibration table of a novel concrete specimen molding device provided by the utility model;

[0036] Figure 4 It is a front elevation view of a vibration table of a novel concrete specimen molding device provided by the utility model;

[0037] Figure 5 It is a top view of a vibration table of a novel concrete specimen molding device provided by the utility model;

[0038] Figure 6 It is an oblique elevation view of a vibration table and dimensionally marked novel concrete specimen molding device provided by the utility model;

[0039] Figure 7 It is a top view of the shock absorbing spring device of the vibration table;

[0040] Figure 8 It is the front elevation view of the shock absorbing spring device of the vibration table;

[0041] Fig. 9 It is a front elevation view of the connection between the vibration motor support and the vibration motor of the vibration table;

[0042] Fig.10 is a top view of the vibration motor;

[0043] Fig.11 It is the elevation view of the arrangement of the mold connection bolts on the vibration table;

[0044] Fig.12 This is an enlarged view of the mold connecting bolts;

[0045] Fig.13 This is an enlarged view of the mold fixing nut;

[0046] Fig.14 This is a magnified elevation view of the new concrete cube mold;

[0047] Fig.15 It is a top view of the new concrete cube mold;

[0048] Fig.16 It is an enlarged elevation view of the new concrete prism mold;

[0049] Fig.17 It is a top view of the new concrete prism mold;

[0050] Fig.18 This is an enlarged elevation view of the new concrete cylinder mold;

[0051] Fig.19 It is a top view of the new concrete cylinder mold;

[0052] Fig. 20 This is an enlarged view of the mold plug. DETAILED DESCRIPTION

[0053] Combine the following Figure 1-20 The embodiments of the present utility model are described in detail. The following embodiments are implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operation processes are given, but the protection scope of the present utility model is not limited to the following embodiments.

[0054] A novel concrete specimen molding device comprises a vibration table 1, a mold connecting bolt 2, a mold fixing nut 3, a novel concrete cube mold 4, a novel concrete prism mold 5, a novel concrete cylinder mold 6, and a mold plug 7. The vibration table comprises an upper base 11 on the vibration table, a lower base 12 on the vibration table, a shock absorbing spring device 13, a work surface 14, a vibration motor 15, a vibration motor support 16, a connecting bolt 17, and a nut 18. The size of the base 11 and the lower base 12 on the vibration table are both 550×550mm; the shock absorbing spring device 13 is installed at the four ends between the base 11 and the lower base 12 on the vibration table, and the size information is 60mm in diameter and 130mm in height; the work surface 14 is fixedly connected to the base on the vibration table; the vibration motor support 16 is fixedly connected to the base 11 on the vibration table and the middle of the work surface 14, and the connecting bolts 17 and the nuts 18 are used to install the vibration motor 15 under the work surface 14 of the vibration table through the mounting holes 19 on the vibration motor support and the vibration motor.

[0055] The vibrating table work surface 14 is made of stainless steel and sprayed with a nano silicon dioxide coating.

[0056] Preferably, the mold connecting bolts 2 are fixedly connected to the vibration table work surface 14. There are four groups of mold connecting bolts 2 on the work surface 14. Each group of mold connecting bolts 2 has four bolts. The spacing between each bolt 2 is 185 mm. The spacing between each group of bolts 2 is 400 mm. The length of the mold connecting bolts 2 is 13 mm. Each group of bolts 2 is connected to the mold fixing nut 3 through the mounting holes on the new standard cubic mold 4, the new concrete prism mold 5, and the new standard cylindrical mold 6, and is tightened to fix the mold on the vibration table work surface 14.

[0057] The mold connecting bolts 2 are all made of stainless steel and sprayed with nano silicon dioxide coating.

[0058] Preferably, the mold fixing nut 3 includes a nut connection hole 31 and a nut barrel 32. The nut barrel 32 is provided with a threaded nut connection hole 31 with a depth of 10 mm, which can be screwed into and installed on the mold connecting bolt 2 to install the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 on the vibration table work surface 14. The outer wall of the nut barrel 32 is provided with a knurling pattern to facilitate the experimenter to install and remove the mold fixing nut 3.

[0059] The mold fixing nuts 3 are all made of stainless steel and sprayed with nano silicon dioxide coating.

[0060] Preferably, the new concrete cube mold 4 includes a first mold base 41, a first mold mounting hole 42, a first mold cylinder 43, a first mold demolding hole 44, and a first stiffening plate 45. The size of the first mold base 41 is 200×200mm. The four ends of the base are provided with first mold mounting holes 42 with a diameter of 8mm. The first mold sleeve 43 is 163mm high, the wall thickness of the first mold sleeve 43 is 3mm, and stiffening plates 45 are evenly fixed to the outside of the first mold sleeve 43. The first mold sleeve 43 is hollow and can be used for casting a standard concrete cube specimen of 150×150×150mm. The first mold demolding hole 44 is provided in the middle of the first mold cylinder base 41, and the diameter of the first mold demolding hole 44 is 2mm, which is used for demolding with a demolding gun.

[0061] The first mold base 41 is located at the bottom of the first mold cylinder 42 and is integrally formed. The new concrete cylindrical mold 4 is made of stainless steel and sprayed with a nano-silicon dioxide coating.

[0062] Preferably, the new concrete prism mold 5 includes a second mold base 51, a second mold mounting hole 52, a second mold cylinder 53, a second mold demoulding air hole 54, and a second stiffening plate 55. The size of the second mold base 51 is 200×200mm. The four ends of the base are provided with second mold mounting holes 52 with a diameter of 8mm. The second mold sleeve 53 is 313mm high, the wall thickness of the second mold sleeve 53 is 3mm, and the second stiffening plates 55 are evenly fixed to the outside of the second mold sleeve 53. The second mold sleeve 53 is hollow and can be used to cast a standard concrete prism specimen of 150×150×300mm. A second mold demoulding air hole 54 is provided in the middle of the second mold cylinder base 51, and the diameter of the second mold demoulding air hole 54 is 2mm, which is used for demoulding with a demoulding gun. The second mold base 51 is located at the bottom of the second mold cylinder 52 and is integrally formed.

[0063] The novel concrete cylinder molds 5 are all made of stainless steel and sprayed with nano silicon dioxide coating.

[0064] Preferably, the new concrete cylindrical mold 6 includes a third mold base 61, a third mold mounting hole 62, a third mold barrel 63, a third mold demoulding air hole 64, and a third stiffening plate 65. The size of the third mold base 61 is 200×200mm. The third mold mounting holes 62 with a diameter of 8mm are provided at the four ends of the base. The third mold sleeve 63 is 313mm high, the wall thickness of the third mold sleeve 63 is 3mm, and the third stiffening plates 65 are evenly fixed to the outside of the third mold sleeve 63. The third mold sleeve 63 is hollow and can be used for casting a standard concrete cylindrical specimen of Φ150×300mm. A third mold demoulding air hole 64 is provided in the middle of the third mold barrel base 61, and the diameter of the third mold demoulding air hole 64 is 2mm, which is used for demoulding with a demoulding gun. The third mold base 61 is located at the bottom of the third mold barrel 62 and is integrally formed.

[0065] The new concrete cylinder molds 6 are all made of stainless steel and sprayed with nano silicon dioxide coating.

[0066] Preferably, the mold plug 7 is located in the center of the area surrounded by each set of mold connecting bolts 2, fixedly connected to the vibrating table work surface 14, and aligned with the mold demolding holes 44, 54, 64 on the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6. After the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 are installed on the vibrating table, the demolding holes 44, 54, 64 can be completely blocked and tightly blocked by the mold plug 7 with the demolding holes at the bottom of the mold.

[0067] The mold plugs 7 are all made of stainless steel and sprayed with nano silicon dioxide coating. After the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 are loaded into the vibration table 1, the top surface of the mold plug 7 is flush with the bottom surface of the inner wall of the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6.

[0068] Working principle:

[0069] Before casting the concrete specimen, the vibration table work surface 14, the mold connecting bolts 2, the mold fixing nuts 3, the new concrete cube mold 4, the new concrete prism mold 5, the new concrete cylinder mold 6, and the mold plug 7 are first cleaned with a high-pressure water gun. This makes the inner walls of the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 smooth and free of dirt, so that concrete specimens with dimensions and appearance that meet the requirements of specimen production can be cast, and the mold plug 7 can be aligned and tightly sealed with the mold demoulding pores 44, 54, and 64 on the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6, so that the mold connecting bolts 2 and the mold fixing nuts 3 can be firmly connected.

[0070] The mold mounting holes 42 on the novel concrete cube mold 4 are aligned with one set of mold connecting bolts 2 on the vibrating table work surface 14 and inserted.

[0071] When the mold mounting hole 42 of the new concrete cube mold 4 is completely inserted into the mold connecting bolt 2, the mold plug 7 on the vibration table work surface 14 will also be aligned with the mold demolding pore 44 of the new concrete cube mold 4 and complete the tight sealing, and at this time, the top surface of the mold plug 7 is flush with the bottom surface of the inner wall of the new concrete cube mold 4.

[0072] Take the mold fixing nut 3 and align the nut connecting hole 31 with the mold connecting bolt 2, and manually tighten the mold fixing nut 3 to the bottom along the thread direction, so that the bottom surface of the mold fixing nut 3 is close to the top surface of the mold base 41 of the new concrete cube mold 4, so as to ensure that the new concrete cube mold 4 is firmly fixed and the mold plug 7 is closely fitted with the mold demoulding pore 44 and completes the tight sealing, and the top surface of the mold plug 7 is kept flush with the bottom surface of the inner wall of the new concrete cube mold 4.

[0073] The mold mounting holes 52 on the novel concrete prism mold 5 are aligned with one set of mold connecting bolts 2 on the vibrating table work surface 14 and inserted.

[0074] When the mold mounting hole 52 of the new concrete prism mold 5 is completely inserted into the mold connecting bolt 2, the mold plug 7 on the vibrating table work surface 14 will also be aligned with the mold demoulding pore 54 of the new concrete prism mold 5 and complete the tight sealing, and at this time, the top surface of the mold plug 7 is flush with the bottom surface of the inner wall of the new concrete prism mold 5.

[0075] Take the mold fixing nut 3 and align the nut connecting hole 31 with the mold connecting bolt 2, and manually tighten the mold fixing nut 3 to the bottom along the thread direction, so that the bottom surface of the mold fixing nut 3 is close to the top surface of the mold base 51 of the new concrete prism mold 5, so as to ensure that the new concrete prism mold 5 is firmly fixed and the mold plug 7 is tightly fitted into the mold demoulding pore 54 and completes the tight sealing, and the top surface of the mold plug 7 is kept flush with the bottom surface of the inner wall of the new concrete prism mold 5.

[0076] The mold mounting holes 62 on the novel concrete cylinder mold 6 are aligned with one set of mold connecting bolts 2 on the vibrating table work surface 14 and inserted.

[0077] When the mold mounting hole 62 of the new concrete cylindrical mold 6 is completely inserted into the mold connecting bolt 2, the mold plug 7 on the vibrating table work surface 14 will also be aligned with the mold demolding pore 64 of the new concrete cylindrical mold 6 and complete the tight sealing, and at this time, the top surface of the mold plug 7 is flush with the bottom surface of the inner wall of the new concrete cylindrical mold 6.

[0078] Take the mold fixing nut 3 and align the nut connecting hole 31 with the mold connecting bolt 2, and manually tighten the mold fixing nut 3 to the bottom along the thread direction, so that the bottom surface of the mold fixing nut 3 is close to the top surface of the mold base 61 of the new concrete cylindrical mold 6, so as to ensure that the new concrete cylindrical mold 6 is firmly fixed and the mold plug 7 is tightly fitted with the mold demoulding pore 64 and completes the tight sealing, and the top surface of the mold plug 7 is kept flush with the bottom surface of the inner wall of the new concrete cylindrical mold 6.

[0079] After the new concrete cube mold 4, the new concrete prism mold 5 and the new concrete cylinder mold 6 are completed, the vibration motor 15 is connected to the power supply and the switch is turned on to start the vibration table.

[0080] The prepared concrete is slowly introduced into the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 to ensure that the concrete is vibrated and compacted in the mold tube.

[0081] After the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 are filled with concrete, turn off the vibration motor 15 switch and unplug the power supply, fill an appropriate amount of concrete into the mold tube, and then use a flat shovel to compact and smooth the concrete on the top of the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 tube and shovel away excess concrete to keep the concrete in the tube level with the top surface of the mold.

[0082] A layer of plastic wrap is attached to the top surfaces of the new concrete cube mold 4, the new concrete prism mold 5, and the new concrete cylinder mold 6 to maintain the specimens.

[0083] After reaching the curing specimen, unscrew the mold fixing nut 3, remove the new concrete cube mold 4 from the vibration table 1, use a demoulding gun to aim at the mold demoulding air hole 44 at the bottom of the mold and inflate and pressurize it, so that the concrete specimen can be completely taken out from the cylinder of the new concrete cube mold 4 to obtain a 150×150×150mm standard concrete cube specimen, which is used to measure the cube compressive strength of concrete or conduct experimental research on related mechanical properties.

[0084] The new concrete prism mold 5 is removed from the vibration table 1, and a demoulding gun is aimed at the mold demoulding air hole 54 at the bottom of the mold and air is pumped and pressurized, so that the concrete specimen can be completely taken out from the cylinder of the new concrete prism mold 5 to obtain a 150×150×300mm standard concrete prism specimen, which is used to measure the axial compressive strength of concrete or conduct experimental research on related mechanical properties.

[0085] The new concrete cylindrical mold 6 is removed from the vibration table 1, and a demoulding gun is aimed at the mold demoulding air hole 64 at the bottom of the mold and air is pumped to increase pressure, so that the concrete specimen can be completely taken out from the new concrete cylindrical mold 6 to obtain a Φ150×300mm standard concrete cylindrical specimen, which is used for splitting experiments of concrete components, measuring compressive properties or conducting experimental research on related mechanical properties.

[0086] 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 new concrete specimen molding device, characterized in that: The device comprises a vibration table (1), mold connecting bolts (2), mold fixing nuts (3), a new concrete cube mold (4), a new concrete prism mold (5), a new concrete cylinder mold (6), and a mold plug (7); the vibration table (1) comprises an upper base (11) of the vibration table, a lower base (12) of the vibration table, a shock absorbing spring device (13), a work surface (14), a vibration motor (15), a vibration motor support (16), connecting bolts (17), and nuts (18); the shock absorbing spring device (13) is installed on the lower base of the vibration table The vibrating motor (15) has four ends between the base (11) and the lower base (12); the work surface (14) is fixedly connected to the base (11) on the vibrating table; the support (16) of the vibrating motor (15) is fixedly connected to the middle of the base (11) and the work surface (14) on the vibrating table; the connecting bolts (17) and nuts (18) are connected to the support (16) of the vibrating motor (15) and the mounting holes (19) of the vibrating motor (15) to install the vibrating motor (15) under the work surface (14) of the vibrating table; the novel concrete specimen molding device is made of stainless steel and is sprayed with a nano-silicon dioxide coating.

2. A new concrete specimen molding device according to claim 1, characterized in that: The mold connecting bolts (2) are fixedly connected to the vibrating table work surface (14). There are four groups of mold connecting bolts (2) on the work surface. The mold connecting bolts (2) have four bolts, the bolt spacing is 400 mm, the bolt spacing within the group is 185 mm, and the length of the mold connecting bolts (2) is 13 mm. The bolts are connected to the mold fixing nuts (3) through the mounting holes (19) of the cubic mold, the concrete prism mold (5), and the cylindrical mold, and are tightened to fix the mold on the vibrating table work surface (14).

3. A new concrete specimen molding device according to claim 2, characterized in that: The mold fixing nut (3) comprises a nut connecting hole (31) and a nut barrel (32); a threaded nut connecting hole (31) is provided in the nut barrel (32) and has a depth of 10 mm.

4. A new concrete specimen molding device according to claim 1, characterized in that: The novel concrete cube mold (4) comprises a first mold base (41), a first mold mounting hole (42), a first mold cylinder (43), and a first mold demoulding hole (44); the first mold base (41) is located at the bottom of the first mold cylinder (43) and is integrally formed.

5. A novel concrete specimen molding device according to claim 1, characterized in that: The concrete prism mold (5) comprises a second mold base (51), a second mold mounting hole (52), a second mold barrel (53), and a second mold demoulding air hole (54); the mold sleeve is 313 mm high and 3 mm thick; a stiffening plate is arranged outside the mold sleeve; the mold sleeve is hollow and can be used for casting a standard concrete prism specimen of 150×150×300 mm; a second mold demoulding air hole (54) is provided at the middle of the bottom of the second mold barrel (53); the demoulding air hole has a diameter of 2 mm and is used for demoulding with a demoulding gun; the second mold base (51) is located at the bottom of the second mold barrel (53) and is integrally formed.

6. A novel concrete specimen molding device according to claim 1, characterized in that: The concrete cylindrical mold (6) comprises a third mold base (61), a third mold mounting hole (62), a third mold barrel (63), and a third mold demoulding air hole (64); the mold sleeve is 313 mm high, the mold sleeve wall thickness is 3 mm, a stiffening plate is arranged outside the mold sleeve, and the mold sleeve is hollow and can be used for casting a standard concrete cylindrical specimen of Φ150×300 mm; a third mold demoulding air hole (64) is provided in the middle of the bottom of the third mold barrel (63), and the demoulding air hole has a diameter of 2 mm and is used for demoulding with a demoulding gun.

7. A new concrete specimen molding device according to claim 1, characterized in that: The mold plug (7) is fixedly connected to the working table (14) (14) of the vibration table (1) at the middle of each set of mold connecting bolts (2), and the mold demoulding holes (44) (54) (64) on the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are aligned. After the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are installed on the vibration table (1), the demoulding holes (44) (54) (64) at the bottom of the mold can be completely blocked and tightly sealed by the mold plug (7).

8. A novel concrete specimen molding device according to claim 1, characterized in that: After the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6) are installed in the vibration table (1), the top surface of the mold plug (7) is flush with the bottom surface of the inner wall of the new concrete cube mold (4), the new concrete prism mold (5), and the new concrete cylinder mold (6).

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