Mass concrete crack repairing device
By designing grouting and positioning mechanisms, the problems of uneven grouting and inaccurate positioning in concrete crack repair were solved, achieving efficient and precise repair results.
Patent Information
- Application Number
- CN202520446750.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-14
AI Technical Summary
In existing technologies, uneven grouting during concrete crack repair is prone to leakage, and the repair material is difficult to accurately position deep into the crack, resulting in poor repair effects.
A large-volume concrete crack repair device is adopted, which includes a grouting mechanism and a positioning mechanism. Low-pressure grouting is achieved by using a spring, and the accurate injection of repair material is ensured by a sealing ring and a limiting plate.
It enables precise grouting repair of concrete cracks, improving repair efficiency and quality, and ensuring the sealing and positioning accuracy of the grouting material.
Smart Images
Figure CN223853910U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete crack repair technical field, concretely is a mass concrete crack repair device. BACKGROUND
[0002] The mass concrete crack repair device is suitable for the repair scene of cracks in concrete engineering such as large building structure, bridge, reservoir dam, especially in the case of needing efficient and accurate crack filling to ensure structural integrity and safety.
[0003] However, the prior art still has the following problems:
[0004] The concrete crack repair in the prior art still has the problems of uneven grouting, easy leakage and difficulty in accurately positioning the repair material to the deep part of the crack. Most repair methods often cannot realize sufficient grouting under low pressure, and the matching degree of the grouting port and the crack position is not high, which easily leads to poor repair effect.
[0005] In view of the above problems, the inventor proposes a mass concrete crack repair device to solve the above problems. UTILITY MODEL CONTENTS
[0006] In order to solve the problems of uneven grouting, easy leakage and difficulty in accurately positioning the repair material to the deep part of the crack, the purpose of the utility model is to provide a mass concrete crack repair device.
[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: a mass concrete crack repair device, comprising a shell, a concrete wall body is arranged below the shell, a thin layer of repair mortar is arranged on the upper surface of the concrete wall body, a positioning mechanism is arranged on the upper surface of the thin layer of repair mortar, a grouting mechanism is arranged on the inner side of the shell, the lower end of the grouting mechanism is fixedly connected with the positioning mechanism, the grouting mechanism comprises a push rod, the push rod penetrates through the upper surface of the shell, a sealing port is arranged on the upper surface of the shell, the inner side of the sealing port is in sliding fit with the push rod, a push plate is fixedly arranged at the lower end of the push rod, the outer side of the push plate is in sliding fit with the inner side of the shell, a spring is sleeved on the outer side of the push rod, a handle is fixedly arranged at the upper end of the push rod, a handle groove is arranged on the lower surface of the handle, and a grout outlet is fixedly arranged at the lower end of the shell.
[0008] Preferably, the positioning mechanism comprises a positioning plate, the lower surface of the positioning plate is in fit with the upper surface of the thin layer of repair mortar, a plurality of openings are arranged on the upper surface of the positioning plate, a fixed plate is arranged on the lower surface of the positioning plate, the outer side of the fixed plate is in fit with the thin layer of repair mortar, a grouting pipe is fixedly arranged on the inner side of the positioning plate, a positioning sleeve rod is threadedly sleeved on the upper end of the grouting pipe, a limiting plate is fixedly arranged on the outer side of the grout outlet, and the upper surface of the limiting plate is in rotary fit with the upper inner wall of the positioning sleeve rod.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] The utility model discloses a grouting mechanism realizes accurate grouting repair to concrete crack, and the close connection of spring convenient for low -pressure grouting and the positioning mechanism ensures the accurate injection of repair material, effectively promotes the efficiency and quality of mass concrete crack repair. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0012] Fig. 1 It is the structure schematic diagram of the utility model.
[0013] Fig. 2 It is the structure section schematic diagram of the grouting mechanism of the utility model.
[0014] Fig. 3 It is the structure section schematic diagram of the positioning mechanism of the utility model.
[0015] In the drawing: 1, shell, 2, grouting mechanism, 3, positioning mechanism, 4, concrete wall, 5, thin layer repair mortar, 20, push rod, 21, grout outlet, 22, push plate, 23, spring, 24, antiskid groove, 25, sealing mouth, 26, grip groove, 27, grip rod, 28, sealing rubber ring, 29, water level observation port, 30, grouting pipe, 31, opening, 32, positioning plate, 33, sealing washer, 34, limiting plate, 35, positioning sleeve rod, 36, grouting hole, 37, fixed plate, 38, grouting groove. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment.Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.
[0017] Embodiment: as Figs. 1-3The utility model provides a mass concrete crack repairing device, including shell 1, the below of shell 1 is equipped with concrete wall 4, the upper surface of concrete wall 4 is equipped with thin layer repair mortar 5, the upper surface of thin layer repair mortar 5 is equipped with positioning mechanism 3, the inside of shell 1 is equipped with grouting mechanism 2, the lower end of grouting mechanism 2 is fixedly connected with positioning mechanism 3, grouting mechanism 2 includes push rod 20, push rod 20 penetrates the upper surface of shell 1, the upper surface of shell 1 is equipped with sealing mouth 25, the inside of sealing mouth 25 is slidably attached with push rod 20, the lower end of push rod 20 is fixedly equipped with push plate 22, the outside of push plate 22 is slidably attached with the inside of shell 1, the outside of push rod 20 is equipped with spring 23, the upper end of push rod 20 is fixedly equipped with handle 27, the lower surface of handle 27 is equipped with grip groove 26, the lower end of shell 1 is fixedly equipped with grout outlet 21, through grouting mechanism 2, first, thin layer repair mortar 5 is filled in advance in the crack place on concrete wall 4, and positioning mechanism 3 is fixed on the upper surface hardening, then the operator holds grip groove 26 on handle 27, push rod 20 is lifted upwards by force, at this time, spring 23 is in compression state, then, grouting material is drawn into the inside of shell 1 until reaching the required grouting amount, then, grouting mechanism 2 is connected with positioning mechanism 3, slowly release handle 27, spring 23 pushes push rod 20 and push plate 22 to move downwards under the action of elastic force, so that grouting material is evenly injected into concrete crack through grout outlet 21, in the grouting process, the sealing property between push rod 20 and shell 1 is ensured by sealing rubber ring 28 in sealing mouth 25, prevents grouting material from leaking, water level observation port 29 can be used to observe the liquid level of grouting material, ensures that the grouting amount is moderate, the whole grouting process is simple and efficient, realizes the accurate repair of concrete crack.
[0018] The inside of sealing mouth 25 is fixedly equipped with sealing rubber ring 28, the inside of sealing rubber ring 28 is attached with push rod 20, the side of shell 1 is equipped with water level observation port 29, the side of shell 1 is equipped with a plurality of anti -skid groove 24 that is equally spaced, in the grouting process, the sealing property between push rod 20 and shell 1 is ensured by sealing rubber ring 28 in sealing mouth 25, prevents grouting material from leaking, water level observation port 29 can be used to observe the liquid level of grouting material, ensures that the grouting amount is moderate.
[0019] The positioning mechanism 3 comprises a positioning plate 32, the lower surface of the positioning plate 32 is in close contact with the upper surface of the thin layer repair mortar 5, the upper surface of the positioning plate 32 is provided with a plurality of openings 31, the lower surface of the positioning plate 32 is provided with a fixed plate 37, the outer side of the fixed plate 37 is in close contact with the thin layer repair mortar 5, the inner side of the positioning plate 32 is fixedly provided with a grouting pipe 30, the upper end of the grouting pipe 30 is threadedly sleeved with a positioning sleeve rod 35, the outer side of the grouting outlet 21 is fixedly provided with a limiting plate 34, the upper surface of the limiting plate 34 is in rotational contact with the upper inner wall of the positioning sleeve rod 35, through the positioning mechanism 3, firstly, the positioning plate 32 is placed on the upper surface of the thin layer repair mortar 5, and the fixed plate 37 is ensured to be in close contact with the thin layer repair mortar 5, so as to fix the position of the positioning plate 32. Then, the upper end of the grouting pipe 30 is threadedly sleeved with the positioning sleeve rod 35, so that the outer side of the grouting outlet 21 is slidably in contact through the grouting hole 36, and it is ensured that the grouting material can be accurately injected into the crack. In this process, the limiting plate 34 is in rotational contact with the upper inner wall of the positioning sleeve rod 35, and plays a limiting role. The setting of the grouting groove 38 ensures the smooth flow of the grouting material in the grouting pipe 30. The sealing gasket 33 enhances the sealing property of the upper end of the grouting pipe 30, preventing the grouting material from leaking. Through the series of steps, the positioning mechanism 3 realizes the accurate positioning of the grouting mechanism 2, and provides a strong guarantee for the subsequent grouting repair work.
[0020] The inner side of the grouting pipe 30 is provided with a grouting groove 38, the upper end of the grouting pipe 30 is provided with a grouting hole 36, the inner side of the grouting hole 36 is slidably in contact with the outer side of the grouting outlet 21, the upper end of the grouting pipe 30 is provided with a sealing gasket 33, the limiting plate 34 is in rotational contact with the upper inner wall of the positioning sleeve rod 35, and plays a limiting role. The setting of the grouting groove 38 ensures the smooth flow of the grouting material in the grouting pipe 30. The sealing gasket 33 enhances the sealing property of the upper end of the grouting pipe 30, preventing the grouting material from leaking.
[0021] Working principle: through the grouting mechanism 2, firstly, the thin layer repair mortar 5 is filled into the crack on the concrete wall 4 in advance, and the positioning mechanism 3 is fixed on the upper surface and is hardened, then the operator holds the holding groove 26 on the handle rod 27, and lifts the push rod 20 upward by applying force, at this time the spring 23 is in a compressed state, then the grouting material is drawn into the housing 1 until the required grouting amount is reached, then the grouting mechanism 2 is connected with the positioning mechanism 3, the handle rod 27 is slowly released, and the spring 23 pushes the push rod 20 and the push plate 22 to move downward under the action of the elastic force, so that the grouting material is uniformly injected into the concrete crack through the grouting outlet 21. In the grouting process, the sealing rubber ring 28 in the sealing port 25 ensures the sealing property between the push rod 20 and the housing 1, preventing the grouting material from leaking. The water level observation port 29 can be used to observe the liquid level of the grouting material, ensuring that the grouting amount is moderate. The whole grouting process is simple and efficient, and realizes the accurate repair of the concrete crack;
[0022] Through the positioning mechanism 3, firstly, the positioning plate 32 is placed on the upper surface of the thin layer repair mortar 5, and the fixed plate 37 is ensured to be closely attached to the thin layer repair mortar 5, so as to fix the position of the positioning plate 32. Then, the positioning sleeve rod 35 threaded on the upper end of the grouting pipe 30 is rotated, so that the outer side of the grouting opening 21 is slidably attached through the grouting hole 36, and it is ensured that the grouting material can be accurately injected into the crack. In the process, the limiting plate 34 is rotationally attached to the upper inner wall of the positioning sleeve rod 35, and the limiting plate 34 plays a limiting role. The setting of the grouting groove 38 ensures the smooth flow of the grouting material in the grouting pipe 30. The sealing washer 33 enhances the sealing property of the upper end of the grouting pipe 30, and prevents the grouting material from leaking. Through the series of steps, the positioning mechanism 3 realizes the accurate positioning of the grouting mechanism 2, and provides a strong guarantee for the subsequent grouting repair work.
[0023] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A mass concrete crack repair device comprising a housing (1), characterised in that: The lower side of the shell (1) is provided with a concrete wall (4), the upper surface of the concrete wall (4) is provided with a thin layer of repair mortar (5), the upper surface of the thin layer of repair mortar (5) is provided with a positioning mechanism (3), the inner side of the shell (1) is provided with a grouting mechanism (2), and the lower end of the grouting mechanism (2) is fixedly connected with the positioning mechanism (3). The grouting mechanism (2) comprises a push rod (20) penetrating through the upper surface of the shell (1), the upper surface of the shell (1) is provided with a sealing port (25), the inner side of the sealing port (25) is in sliding fit with the push rod (20), the lower end of the push rod (20) is fixedly provided with a push plate (22), the outer side of the push plate (22) is in sliding fit with the inner side of the shell (1), the outer side of the push rod (20) is sleeved with a spring (23), the upper end of the push rod (20) is fixedly provided with a handle (27), the lower surface of the handle (27) is provided with a handle groove (26), and the lower end of the shell (1) is fixedly provided with a grouting port (21).
2. A mass concrete crack repair apparatus as claimed in claim 1, wherein, The positioning mechanism (3) comprises a positioning plate (32), the lower surface of the positioning plate (32) is in fit with the upper surface of the thin layer of repair mortar (5), the upper surface of the positioning plate (32) is provided with a plurality of openings (31), the lower surface of the positioning plate (32) is provided with a fixed plate (37), the outer side of the fixed plate (37) is in fit with the thin layer of repair mortar (5), the inner side of the positioning plate (32) is fixedly provided with a grouting pipe (30), the upper end of the grouting pipe (30) is threadedly sleeved with a positioning sleeve rod (35), the outer side of the grouting port (21) is fixedly provided with a limiting plate (34), and the upper surface of the limiting plate (34) is in rotary fit with the upper inner wall of the positioning sleeve rod (35).
3. A mass concrete crack repair apparatus as claimed in claim 1, wherein, The inner side of the sealing port (25) is fixedly provided with a sealing rubber ring (28), and the inner side of the sealing rubber ring (28) is in fit with the push rod (20).
4. A mass concrete crack repair apparatus as claimed in claim 1, wherein, A water level observation port (29) is formed in one side of the shell (1).
5. A mass concrete crack repair apparatus as claimed in claim 1, wherein, A plurality of anti-skid grooves (24) are formed in one side of the shell (1) at equal intervals.
6. A mass concrete crack repair apparatus as claimed in claim 2, wherein, The inner side of the grouting pipe (30) is provided with a grouting groove (38).
7. A mass concrete crack repair apparatus as defined in claim 2, wherein, The upper end of the grouting pipe (30) is provided with a grouting hole (36), and the inner side of the grouting hole (36) is in sliding fit with the outer side of the grouting port (21).
8. A mass concrete crack repair apparatus as defined in claim 2, wherein, The upper end of the grouting pipe (30) is provided with a sealing washer (33).