Preparation process of concrete repairing material

Abstract

The invention discloses a preparation technology of a concrete repairing material, and relates to the technical field of concrete repairing material preparation, and the preparation technology comprises the following steps: S1, selecting cement, aggregate, an active mineral material, a nanometer material and an additive required by the concrete repairing material; s2, according to the repair requirement, designing a proper ingredient proportion, and weighing all the materials according to the proportion; s3, the weighed cement, aggregate, active mineral materials and nanometer materials are placed in a mixing device to be subjected to dry mixing treatment.The preparation technology of the concrete repairing material comprises the steps that through arrangement of a position sensor and a positioning block, a stirring assembly is rotated to the position parallel to a cleaning assembly, and the stirring assembly is rotated to the position parallel to the cleaning assembly; and then the screw rod mechanism drives the stirring assembly and the two scraping plates to move upwards and penetrate through the space between the two cleaning plates, so that materials on the stirring assembly and the scraping plates can be scraped in all directions and automatically cleaned, manpower and material resources are saved, and the situation that the stirring efficiency and the scraping effect are affected due to subsequent drying and hardening is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of concrete repair material preparation, in particular to a preparation process of a concrete repair material. Background Art

[0002] Concrete repair material is a material specially used to repair defects in concrete structures. It has good adhesion, durability and impermeability. It can effectively fill cracks, holes and other defects on the surface of concrete, restore its original strength and performance, and effectively extend the service life of concrete structures. In the preparation process of concrete repair materials, after selecting the raw materials and proportioning them, they need to be mixed and prepared.

[0003] Reference patent application number CN202320804841.2 is a mixing device for concrete defect repair materials. The prior art first starts a first motor to drive a rotating rod and a stirring plate to rotate, stirs and mixes the raw materials inside a mixing barrel, and starts a second motor to control the rotation of the mixing barrel in sequence, further improving the mixing effect. At the same time, during the mixing process, the first support rod can be used to drive a scraper to rotate to scrape off the raw materials adhered to the inner wall of the mixing barrel, thereby improving the mixing quality and the mixing effect. However, the patent still has the following deficiencies: After use, a large amount of concrete repair material will adhere to the surface of the mixing structure and scraper in the above patent, which cannot be automatically cleaned. It is difficult to clean the subsequent materials after they dry up, which affects the mixing efficiency and the scraping effect of the scraper. In addition, during the preparation process of the concrete repair material, the water intake is difficult to accurately control, resulting in uneven quality of the finished product. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a process for preparing concrete repair materials, which solves the problems that a large amount of concrete repair materials will adhere to the mixing structure and the surface of the scraper, making it impossible to clean them automatically, and that it is difficult to clean the subsequent materials after they have dried, and that it is difficult to accurately control the water intake during the preparation of the concrete repair materials.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A preparation process of a concrete repair material comprises the following steps: S1. Select cement, aggregate, active mineral materials, nanomaterials and additives required for concrete repair materials; S2. Design a suitable proportion of ingredients according to the repair requirements and weigh each material in proportion; S3, placing the weighed cement, aggregate, active mineral material and nanomaterial in a mixing device for dry mixing; S4. After the dry mixing is sufficient, the additives and water are poured into the mixing device to prepare the slurry, and the preparation of the repair material is completed.

[0006] Preferably, the additives include a curing agent, a toughening agent, an expansion agent and an antibacterial agent, the curing agent is specifically an acrylic resin, the toughening agent is specifically an amino acid modified polyurethane, the expansion agent is one of magnesium oxide, sulphoaluminate or calcium aluminate, and the antibacterial agent is nanosilver.

[0007] Preferably, the mixing device includes a base, a mixing drum and a mixing assembly, the top of the base is fixedly connected to a screw mechanism, and one side of the screw mechanism is connected to the mixing assembly through a support plate, and the top of the mixing drum is provided with a cleaning assembly through a snap-on assembly.

[0008] Preferably, the cleaning assembly includes two L-shaped plates, a fixing plate is fixedly connected to the front and rear sides between the two L-shaped plates, and a cleaning plate is fixedly connected to the surface of the fixing plate, a groove is provided in the middle of the cleaning plate, a position sensor is fixedly connected to the top of the fixing plate, and a positioning block is provided on the surface of the stirring assembly.

[0009] Preferably, the snap-on assembly includes a fixed block fixed on the top of the mixing drum, a through groove is provided inside the fixed block, and blocks are slidably provided on both sides of the inner wall of the through groove, a spring is fixedly connected between the two blocks, and protrusions are fixedly connected on the opposite sides of the two blocks, and a through hole adapted to the fixed block is provided on the surface of the L-shaped plate.

[0010] Preferably, the stirring assembly includes a first motor fixed on the top of the support plate, the output end of the first motor is fixedly connected to a stirring rod via a connecting shaft, and a plurality of groups of stirring blades are fixedly connected to the surface of the stirring rod, the surface of the stirring rod is fixedly connected to a first scraper via a support rod, and a second scraper is fixedly connected between the bottom of the first scraper and the stirring rod.

[0011] Preferably, the screw mechanism includes a shell, a second motor is fixedly connected to the bottom of the inner wall of the shell, and a screw is fixedly connected to the output end of the second motor, a movable plate is threadedly connected to the surface of the screw, and one side of the movable plate is fixedly connected to one side of the support plate through a slide plate.

[0012] Preferably, an inner cylinder is provided inside the mixing drum, and a heating coil is provided on the outer surface of the inner cylinder, an electric push rod is fixedly connected to the top of the inner wall of the base, and the output end of the electric push rod is fixedly connected to a fixed seat extending to the outside of the base, and universal wheels are fixedly connected to the four corners of the bottom of the base.

[0013] Preferably, a water inlet pipe is provided on the top of the mixing drum, and a water flow sensor is provided on the surface of the water inlet pipe. A first sealing plate and a second sealing plate are provided on both sides of the water inlet pipe through an adjusting assembly, and the first sealing plate and the second sealing plate are slidably arranged at the bottom of the water inlet pipe.

[0014] Preferably, the adjustment assembly includes a shell, a dual-axis motor is fixedly connected to the bottom of the inner wall of the shell, and the output ends of the dual-axis motor are respectively fixedly connected to the first threaded rod and the second threaded rod, the surfaces of the first threaded rod and the second threaded rod are threadedly connected with movable blocks, the tops of the first sealing plate and the second sealing plate are fixedly connected to the bottoms of the two movable blocks through a fixing rod, and a fixing groove matched with the fixing rod is provided at the bottom of the shell.

[0015] The present invention provides a preparation process of a concrete repair material, which has the following beneficial effects: (1) The preparation process of the concrete repair material is to rotate the stirring component to a position parallel to the cleaning component through the setting of the position sensor and the positioning block, and then the screw mechanism drives the stirring component and the two scrapers to move upward and pass through between the two cleaning plates, so as to scrape the materials on the stirring component and the scrapers in all directions and automatically clean them, thereby saving manpower and material resources and avoiding subsequent drying and affecting the stirring efficiency and scraping effect.

[0016] (2) In the preparation process of the concrete repair material, the cleaning component is arranged on the top of the mixing drum through a clamping mechanism, and the clamping mechanism can be operated manually, which is convenient for loading and unloading the cleaning component, and convenient for maintenance or replacement of the cleaning component, making it more convenient to use and extending the service life of the component.

[0017] (3) In the preparation process of the concrete repair material, after the water inlet pipe is connected to the external water supply mechanism, the first sealing plate and the second sealing plate are driven to move in relative or opposite directions through the adjustment component, and the size of the water inlet is adjusted to control the water inlet volume. The water flow sensor is set to detect the water inlet volume in real time, and the water volume can be accurately controlled according to the required ratio, thereby improving the quality of the concrete repair material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of the mixing device of the present invention; Figure 2 It is a cross-sectional view of the screw mechanism structure of the present invention; Figure 3 It is a schematic diagram of the installation of the cleaning component structure of the present invention; Figure 4 For the present invention Figure 3 A partial enlarged view of the middle A; Figure 5is a cross-sectional view of the mixing drum structure of the present invention; Figure 6 It is a cross-sectional view of the structure of the clamping mechanism of the present invention; Figure 7 It is a schematic diagram of the water inlet pipe structure of the present invention; Figure 8 A cross-sectional view of the structure of the regulating assembly of the present invention; Fig. 9 It is a cross-sectional view of the base structure of the present invention.

[0019] In the figure: 1, base; 2, mixing drum; 3, mixing assembly; 31, first motor; 32, connecting shaft; 33, mixing rod; 34, mixing blade; 35, support rod; 36, first scraper; 37, second scraper; 4, screw mechanism; 41, housing; 42, second motor; 43, screw; 44, movable plate; 5, support plate; 6, cleaning assembly; 61, L-shaped plate; 62, fixed plate; 63, cleaning plate; 64, groove; 65, position sensor; 66, positioning Block; 7, fixed block; 8, through groove; 9, stopper; 10, spring; 11, convex block; 12, through hole; 13, inner cylinder; 14, heating coil; 15, electric push rod; 16, fixed seat; 17, universal wheel; 18, water inlet pipe; 19, water flow sensor; 20, first sealing plate; 21, second sealing plate; 22, shell; 23, dual-axis motor; 24, first threaded rod; 25, second threaded rod; 26, movable block; 27, fixed rod; 28, fixed groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1: The present invention provides a preparation process of a concrete repair material, comprising the following steps: S1. Select cement, aggregate, active mineral materials, nanomaterials and additives required for concrete repair materials; The additives include a curing agent, a toughening agent, an expansion agent and an antibacterial agent. The curing agent is specifically an acrylic resin, the toughening agent is specifically an amino acid-modified polyurethane, the expansion agent is one of magnesium oxide, sulphoaluminate or calcium aluminate, and the antibacterial agent is specifically nanosilver. S2. Design a suitable proportion of ingredients according to the repair requirements and weigh each material in proportion; S3, placing the weighed cement, aggregate, active mineral material and nanomaterial in a mixing device for dry mixing; S4. After the dry mixing is sufficient, the additives and water are poured into the mixing device to prepare the slurry, and the preparation of the repair material is completed.

[0022] Example 2: Based on Example 1, please refer to Figures 1 to 5 as well as Fig. 9 As shown, the specific improvements are as follows: the mixing device includes a base 1, a mixing drum 2 and a mixing assembly 3, a screw mechanism 4 is fixedly connected to the top of the base 1, and one side of the screw mechanism 4 is connected to the mixing assembly 3 through a support plate 5, and a cleaning assembly 6 is provided on the top of the mixing drum 2 through a clamping assembly; The cleaning assembly 6 includes two L-shaped plates 61, and a fixing plate 62 is fixedly connected to both the front and rear sides between the two L-shaped plates 61, and a cleaning plate 63 is fixedly connected to the surface of the fixing plate 62. The distance between the two cleaning plates 63 is consistent with the thickness of the stirring blade 34 and the two scrapers, which is convenient for cleaning. A groove 64 is opened in the middle of the cleaning plate 63, and the groove 64 is set to be the same as the diameter of the stirring rod 33. A position sensor 65 is fixedly connected to the top of the fixing plate 62, and a positioning block 66 is set on the surface of the stirring assembly 3. The position sensor 65 is used to detect the position of the positioning block 66; The screw mechanism 4 includes a housing 41 fixed to the top of the base 1, a second motor 42 is fixedly connected to the bottom of the inner wall of the housing 41, and a screw 43 is fixedly connected to the output end of the second motor 42, a movable plate 44 is threadedly connected to the surface of the screw 43, the outer side of the movable plate 44 is slidably connected to the inner wall of the housing 41, and one side of the movable plate 44 is fixedly connected to one side of the support plate 5 through a slide plate; The stirring assembly 3 includes a first motor 31 fixed on the top of the support plate 5, the output end of the first motor 31 is fixedly connected to a stirring rod 33 through a connecting shaft 32, and a plurality of stirring blades 34 are fixedly connected to the surface of the stirring rod 33, a first scraper 36 is fixedly connected to the surface of the stirring rod 33 through a supporting rod 35, and is used to clean the cylinder wall, and a second scraper 37 is fixedly connected between the bottom of the first scraper 36 and the stirring rod 33, and is used to clean the bottom of the cylinder; An inner cylinder 13 is provided inside the mixing drum 2, and a heating coil 14 is provided on the outer surface of the inner cylinder 13 for heating and stirring. An electric push rod 15 is fixedly connected to the top of the inner wall of the base 1, and the output end of the electric push rod 15 is fixedly connected to a fixing seat 16 that penetrates to the outside of the base 1. Universal wheels 17 are fixedly connected to the four corners of the bottom of the base 1.

[0023] Through the arrangement of the above structure, when in use, various raw materials of the concrete repair material are selected and proportioned, and then the weighed raw materials are poured into the inner cylinder 13, and the first motor 31 is started, and the stirring rod 33 drives the multiple groups of stirring blades 34 to rotate, and the materials are dry mixed, and then the external water supply mechanism adds water to the inner cylinder 13 through the water inlet pipe 18 for stirring. In the process of sufficient mixing, the first scraper 36 and the second scraper 37 rotate with the stirring assembly 3, which can scrape off the materials adhering to the cylinder wall, reduce the subsequent cleaning pressure, and the heating coil 14 can stir the materials. After heating and stirring, and after the stirring is completed and the material is discharged, the position of the positioning block 66 is detected by the position sensor 65. According to whether the positioning block 66 reaches the specified position, the rotation angle of the first motor 31 is controlled, so that the position of the stirring component 3 and the cleaning component 6 can be controlled to align. After the position is adjusted, the second motor 42 is started to drive the screw rod 43 to rotate. Under the sliding guidance of the movable plate 44, the stirring component 3 and the two scrapers are driven upward by the support plate 5 and pass through the two cleaning plates 63. The materials on the stirring component 3 and the scraper can be scraped off in all directions to achieve automatic cleaning; The electric push rod 15 drives the fixing seat 16 to move to the ground, so that the device has better stability during operation. Conversely, the fixing seat 16 is moved upward, and the device can be moved by the universal wheel 17, which is flexible to use.

[0024] Example 3: Combined with Example 1 and Example 2, please refer to Figure 3 and Figure 6 As shown, the specific improvements are as follows: the snap-on assembly includes a fixed block 7 fixed on the top of the mixing drum 2, the fixed block 7 penetrates to the top of the L-shaped plate 61, a through groove 8 is provided inside the fixed block 7, and blocks 9 are slidably provided on both sides of the inner wall of the through groove 8, a spring 10 is fixedly connected between the two blocks 9, and a protrusion 11 is fixedly connected to the opposite sides of the two blocks 9, and a through hole 12 adapted to the fixed block 7 is provided on the surface of the L-shaped plate 61.

[0025] Through the arrangement of the above structure, during the use of the cleaning component 6, by pressing the protrusion 11, the protrusion 11 squeezes the spring 10, so that the protrusion 11 can completely enter the through groove 8, so that the cleaning component 6 can be removed from the mixing drum 2. Conversely, the fixing block 7 is passed through the L-shaped plate 61. Under the elastic force of the spring 10, the protrusion 11 pops out of the through groove 8, and the cleaning component 6 can be limitedly installed on the mixing drum 2, which is convenient for maintenance or replacement of the cleaning component 6, making it more convenient to use and extending the service life of the component.

[0026] Embodiment 4: In combination with Embodiment 1 to Embodiment 3, please refer to Figure 1 , Figure 7 and Figure 8As shown, the specific improvements are as follows: a water inlet pipe 18 is arranged on the top of the mixing drum 2, the water inlet pipe 18 is a stainless steel hard pipe, and a water flow sensor 19 is arranged on the surface of the water inlet pipe 18, and a first sealing plate 20 and a second sealing plate 21 are arranged on both sides of the water inlet pipe 18 through an adjustment component, and the first sealing plate 20 and the second sealing plate 21 are slidably arranged at the bottom of the water inlet pipe 18; The adjusting assembly includes a shell 22 fixed on the surface of the water inlet pipe 18, and a dual-axis motor 23 is fixedly connected to the bottom of the inner wall of the shell 22. The dual-axis motor 23 is a prior art, and is a motor with two rotating shafts, which can provide two independent rotating shaft outputs for driving the first threaded rod 24 and the second threaded rod 25 to rotate simultaneously, and the output ends of the dual-axis motor 23 are respectively fixedly connected to the first threaded rod 24 and the second threaded rod 25, and the thread directions on the first threaded rod 24 and the second threaded rod 25 are oppositely arranged. The surfaces of the first threaded rod 24 and the second threaded rod 25 are both threadedly connected with movable blocks 26, and the top of the movable block 26 is slidably connected to the top of the inner wall of the shell 22. The tops of the first sealing plate 20 and the second sealing plate 21 are fixedly connected to the bottoms of the two movable blocks 26 through fixed rods 27, and the bottom of the shell 22 is provided with a fixing groove 28 adapted to the fixed rod 27.

[0027] Through the arrangement of the above structure, when in use, during the process of water intake, by starting the dual-axis motor 23, the first threaded rod 24 and the second threaded rod 25 are driven to rotate, and under the guidance of the movable block 26, the first sealing plate 20 and the second sealing plate 21 are driven to move in relative or opposite directions through the fixed rod 27, so as to adjust the size of the water inlet, thereby facilitating the control of the water intake amount. The water flow sensor 19 detects the water intake flow in real time during water intake, and can cooperate with the adjustment component to accurately control the water intake amount according to the ratio, thereby improving the quality of the concrete repair material.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment compatible with the equipment can be used.

[0029] 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 preparation process of a concrete repair material, characterized in that: The following steps are involved: S1. Select cement, aggregate, active mineral materials, nanomaterials and additives required for concrete repair materials; S2. Design a suitable proportion of ingredients according to the repair requirements and weigh each material in proportion; S3, placing the weighed cement, aggregate, active mineral material and nanomaterial in a mixing device for dry mixing; S4. After the dry mixing is sufficient, the additives and water are poured into the mixing device to prepare the slurry, and the preparation of the repair material is completed.

2. The preparation process of a concrete repair material according to claim 1, characterized in that: The additives include a curing agent, a toughening agent, an expansion agent and an antibacterial agent. The curing agent is specifically an acrylic resin, the toughening agent is specifically an amino acid-modified polyurethane, the expansion agent is one of magnesium oxide, sulphoaluminate or calcium aluminate, and the antibacterial agent is nanosilver.

3. The preparation process of a concrete repair material according to claim 1, characterized in that: The mixing device comprises a base (1), a mixing drum (2) and a mixing assembly (3); a screw mechanism (4) is fixedly connected to the top of the base (1), and one side of the screw mechanism (4) is connected to the mixing assembly (3) via a support plate (5); and a cleaning assembly (6) is provided on the top of the mixing drum (2) via a clamping assembly.

4. The preparation process of a concrete repair material according to claim 3, characterized in that: The cleaning component (6) comprises two L-shaped plates (61), a fixing plate (62) being fixedly connected to both the front and rear sides between the two L-shaped plates (61), a cleaning plate (63) being fixedly connected to the surface of the fixing plate (62), a groove (64) being provided in the middle of the cleaning plate (63), a position sensor (65) being fixedly connected to the top of the fixing plate (62), and a positioning block (66) being provided on the surface of the stirring component (3).

5. The preparation process of a concrete repair material according to claim 3, characterized in that: The clamping assembly comprises a fixed block (7) fixed to the top of the mixing drum (2), a through groove (8) being provided inside the fixed block (7), and blocks (9) being slidably provided on both sides of the inner wall of the through groove (8), a spring (10) being fixedly connected between the two blocks (9), and a protrusion (11) being fixedly connected to the opposite sides of the two blocks (9), and a through hole (12) matching the fixed block (7) being provided on the surface of the L-shaped plate (61).

6. The preparation process of a concrete repair material according to claim 3, characterized in that: The stirring assembly (3) comprises a first motor (31) fixed to the top of the support plate (5); the output end of the first motor (31) is fixedly connected to a stirring rod (33) via a connecting shaft (32); a plurality of groups of stirring blades (34) are fixedly connected to the surface of the stirring rod (33); a first scraper (36) is fixedly connected to the surface of the stirring rod (33) via a supporting rod (35); and a second scraper (37) is fixedly connected between the bottom of the first scraper (36) and the stirring rod (33).

7. The preparation process of a concrete repair material according to claim 3, characterized in that: The screw mechanism (4) comprises a housing (41), a second motor (42) is fixedly connected to the bottom of the inner wall of the housing (41), and a screw (43) is fixedly connected to the output end of the second motor (42), a movable plate (44) is threadedly connected to the surface of the screw (43), and one side of the movable plate (44) is fixedly connected to one side of the support plate (5) via a slide plate.

8. The preparation process of a concrete repair material according to claim 3, characterized in that: An inner cylinder (13) is arranged inside the mixing drum (2), and a heating coil (14) is arranged on the outer surface of the inner cylinder (13); an electric push rod (15) is fixedly connected to the top of the inner wall of the base (1), and an output end of the electric push rod (15) is fixedly connected to a fixing seat (16) extending through the outside of the base (1); and universal wheels (17) are fixedly connected to the four corners of the bottom of the base (1).

9. The preparation process of a concrete repair material according to claim 3, characterized in that: A water inlet pipe (18) is arranged at the top of the mixing drum (2), and a water flow sensor (19) is arranged on the surface of the water inlet pipe (18). A first sealing plate (20) and a second sealing plate (21) are arranged on both sides of the water inlet pipe (18) through an adjustment component. The first sealing plate (20) and the second sealing plate (21) are slidably arranged at the bottom of the water inlet pipe (18).

10. The preparation process of a concrete repair material according to claim 9, characterized in that: The adjustment assembly comprises a housing (22), the bottom of the inner wall of the housing (22) being fixedly connected to a dual-axis motor (23), and the output ends of the dual-axis motor (23) being fixedly connected to a first threaded rod (24) and a second threaded rod (25), respectively, the surfaces of the first threaded rod (24) and the second threaded rod (25) being threadedly connected to movable blocks (26), the tops of the first sealing plate (20) and the second sealing plate (21) being fixedly connected to the bottoms of the two movable blocks (26) via fixed rods (27), and the bottom of the housing (22) being provided with a fixed groove (28) adapted to the fixed rod (27).

Images