Repair device for rural courtyard wall cracks

Abstract

The utility model provides a rural courtyard wall crack repairing device which comprises a protective formwork used for covering a wall crack area, positioning clamping plates are arranged on the two sides of the protective formwork, at least two expansion bolts are arranged on the positioning clamping plates in a penetrating mode, the expansion bolts penetrate through a wall, and the wall crack area of the wall is covered with the protective formwork. Threaded sleeves are fixedly connected to the top ends of the inner sides of the positioning clamping plates. According to the utility model, the protective templates are matched with the positioning clamping plates, so that the cracks are closed to a certain extent, wall body structures on two sides of the cracks are combined and supported, and the overall strength of the wall body is enhanced; the protective formwork is embedded into a limiting groove formed by the two positioning clamping plates and fixed to the ground and the wall, the protective formwork is prevented from falling off, the stability of the wall structure is improved, a gap between the pocket plate and the wall is filled with polyurethane polystyrene foam, a sealed cavity is formed between the protective formwork and the wall, cement paste is filled, and the protective formwork is fixed to the ground and the wall. After solidification, a thickened cement filling layer is formed on the crack and the outer side of the crack, and wall crack repairing and structure strengthening are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the rural construction maintenance technical field more specifically, relate to a kind of repair device for rural courtyard wall crack. BACKGROUND

[0002] Wall is the vertical component of building structure, especially courtyard wall, which is very popular in rural construction. The rough construction, improper material selection, improper use or poor management of users and other factors can cause wall cracking and damage the integrity of the wall. If the cracks in the courtyard wall are not repaired in time, the cracks will continue to increase under the erosion of wind and rain, affecting the stability of the wall, especially during heavy rain, the wall may collapse, posing a significant safety hazard.

[0003] There are many techniques for repairing wall cracks, such as using mortar to fill cracks and rebuilding the courtyard wall. Rebuilding the courtyard wall is time-consuming and costly, and generates construction waste, which is not environmentally friendly. Using mortar to fill cracks may cause cracks to reappear after a period of time, which cannot effectively ensure the stability of the wall.

[0004] Therefore, it is necessary to invent a repair device for rural courtyard wall cracks to solve the above problems. SUMMARY

[0005] The utility model aims to provide a repair device for rural courtyard wall cracks, to solve the technical problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] A repair device for rural courtyard wall cracks, comprising a protective template for covering the wall crack area, the protective template is provided with positioning clamping plates on both sides, at least two expansion bolts are penetrated through the positioning clamping plates, and the expansion bolts penetrate through the wall, and a threaded sleeve is fixedly connected to the top end of the inner side of the positioning clamping plate;

[0008] Two positioning clamping plates are fixed on the top of the wall on both sides of the crack through expansion bolts, and the protective template and the two positioning clamping plates are clamped from the top of the wall;

[0009] A bidirectional screw is threadedly connected between the two threaded sleeves, and a screw head is fixedly connected to the middle of the outer side of the bidirectional screw;

[0010] A grouting port is formed in the top of the protective template, and a cement slurry is filled in the sealed cavity formed by the inner side of the protective template and the wall, and a cement filling layer is formed after solidification.

[0011] Preferably, the cross-sectional shape of the protective template and the positioning card is U-shaped, and the inner diameter length of the protective template and the positioning card matches the thickness of the wall.

[0012] Preferably, the width of the protective template is equal to the distance between the two adjacent positioning cards, and the protective template is embedded in the limiting groove formed by the two positioning cards.

[0013] Preferably, a cover plate is movably arranged on the inside of the grouting port of the protective template, for controlling the opening and closing of the grouting port.

[0014] Preferably, the cover plate is hingedly arranged with the protective template.

[0015] Preferably, a containing groove is formed on the inside of the protective template, and a pocket plate is arranged at the outer edge of the containing groove.

[0016] Preferably, a sealing filling layer is arranged between the pocket plate and the wall.

[0017] Preferably, the sealing filling layer is polyurethane foam.

[0018] Preferably, support rib plates are fixedly connected to the bottom of both sides of the protective template, and ground nails are penetrated through the support rib plates.

[0019] Preferably, the number of support rib plates on one side of the protective template is at least two, and a horizontal plate is commonly welded on the same group of support rib plates, an expansion wall nail is obliquely penetrated through the horizontal plate, and the expansion wall nail penetrates the protective template and the cement filling layer and enters the wall.

[0020] The beneficial effects of the present application are as follows:

[0021] By cooperating the protective template and the positioning card, the walls connected by the two positioning cards are close to each other, the cracks are closed to a certain extent, the wall structures on both sides of the cracks are combined and supported, and the overall strength of the wall is enhanced; the protective template is embedded in the limiting groove formed by the two positioning cards, and is fixed with the ground and the wall, so as to avoid the protective template from falling off, improve the stability of the wall structure, fill the gap between the pocket plate and the wall with polyurethane foam, form a sealed cavity between the protective template and the wall, fill the cement slurry, and after solidification, the cracks and the outside thereof form a thickened cement filling layer, so as to repair and strengthen the structure of the wall cracks, and compared with the prior art, the operation process is fast and efficient, and the stability can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 The use state effect diagram of the courtyard wall crack repairing device provided by the present application is shown in the figure.

[0024] Figure 2 The distribution display diagram of the protective template and the positioning clamping plate in the wall crack in the present application is shown in the figure.

[0025] Figure 3 The overall structure perspective view of the courtyard wall crack repairing device provided by the present application is shown in the figure.

[0026] Figure 4 The overall structure explosion view of the courtyard wall crack repairing device provided by the present application is shown in the figure.

[0027] Figure 5 The main view of the structure shown in the present application Figure 3

[0028] The A-A cross-sectional structure schematic view in the present application Figure 6 Figure 5 The figure shows:

[0029] The wall-01;

[0030] The protective template-1; the positioning clamping plate-2; the expansion bolt-3; the threaded sleeve-4; the bidirectional screw rod-5; the screw head-6; the grouting port-7; the cover plate-8; the supporting rib plate-9; the ground nail-10; the cross plate-11; the expansion wall nail-12;

[0031] The accommodating groove-101; the pocket plate-102.

[0032] The specific implementation

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] ​​In the description of the utility model, it needs to explain, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] As shown in Figures 1-6 A kind of repair device for rural courtyard wall crack, including protective template 1 for covering the crack area of wall 01, protective template 1 both sides are provided with positioning clamping plate 2, at least two expansion bolts 3 are penetrated in positioning clamping plate 2, and expansion bolt 3 is arranged to penetrate wall 01, so that positioning clamping plate 2 is installed on wall 01, and is tightly attached to it, and will not swing, and the inner side top of positioning clamping plate 2 is fixedly connected with threaded sleeve 4;

[0036] Two positioning clamping plates 2 are fixed at the top of wall 01 on the two sides of crack by expansion bolt 3, and protective template 1 and two positioning clamping plates 2 are clamped from the top of wall 01;

[0037] Two threaded sleeves 4 are threadedly connected with bidirectional screw rod 5, and the outer side middle part of bidirectional screw rod 5 is fixedly connected with screw head 6, and the threaded segments of the two ends of bidirectional screw rod 5 are symmetrically distributed about the middle line axis of screw head 6, the screw head 6 is twisted by tool (such as spanner), and further drives bidirectional screw rod 5, so that the wall 01 connected by two positioning clamping plates 2 is close to each other, the crack is closed to a certain extent, the structure of wall 01 on the two sides of crack is combined and supported, and the overall strength of wall 01 is enhanced;

[0038] Grouting port 7 is formed in the top of protective template 1, and the sealing cavity formed by the inner side of protective template 1 and wall 01 is filled with cement slurry, the cement slurry can fill the crack and extend out of the crack, fill in the sealing cavity on the two sides of wall, form a H-shaped clamping structure, and form a cement filling layer after solidification, so that the strength of the repaired wall is higher.

[0039] In some embodiments, the cross-sectional shape of protective template 1 and positioning clamping plate 2 is U-shaped, and the inner diameter length of protective template 1 and positioning clamping plate 2 matches the thickness of wall 01, so that protective template 1 and positioning clamping plate 2 are clamped and installed with wall 01, and they are uniformly stressed.

[0040] In some embodiments, the width of the protective template 1 is equal to the distance between two adjacent positioning plates 2, and the protective template 1 is embedded in the limiting groove formed by the two positioning plates 2 after installation. The size of the protective template 1 is set according to the distance between the two positioning plates 2 after installation, thereby improving the stability of the installation of the protective template 1.

[0041] In some embodiments, a cover plate 8 is movably arranged inside the grouting opening 7 of the protective template 1, for controlling the opening and closing of the grouting opening 7. When filling the cement slurry, the cover plate 8 is opened to keep the grouting opening 7 unobstructed, and the cement slurry is injected from the grouting opening 7. After the cement slurry solidifies, the cover plate 8 is closed, improving the aesthetics of the wall and avoiding the problem of internal erosion caused by water entering the positioning plate 2 in rainy days.

[0042] In some embodiments, the cover plate 8 is hingedly arranged with the protective template 1, and other connection methods such as buckling connection can also be used.

[0043] In some embodiments, a containing groove 101 is formed in the inside of the protective template 1, and a pocket plate 102 is arranged at the outer edge of the containing groove 101. A sealing filling layer is arranged between the pocket plate 102 and the wall 01. After the protective template 1 is clamped on the wall 01, it is extruded into the sealing filling layer on the outside, so that the pocket plate 102 is closed with the wall 01. The containing groove 101 is filled with cement slurry, so that the crack is filled with cement slurry, and a thickened cement filling layer is formed on both sides of the area, repairing the crack of the wall 01.

[0044] In some embodiments, the sealing filling layer is made of polyurethane foam.

[0045] In some embodiments, a promotional poster or other decorative spray painting is pasted on the outside of the protective template 1, improving the practicality of the protective template 1, while also considering the aesthetics of rural construction.

[0046] In some embodiments, support rib plates 9 are fixedly connected to the bottom of both sides of the protective template 1, and ground nails 10 are penetrated through the support rib plates 9, so that the protective template 1 is fixedly connected with the wall 01 and the ground. The number of support rib plates 9 on one side of the protective template 1 is at least two, and a horizontal plate 11 is commonly welded on the same group of support rib plates 9. The horizontal plate 11 is obliquely penetrated by an expansion wall nail 12, and the expansion wall nail 12 penetrates the protective template 1 and the cement filling layer and enters the wall 01, avoiding the protective template 1 from falling off and improving the stability of the structure of the wall 01.

[0047] When using the device to repair the cracks of the rural courtyard wall, first, the wall 01 with cracks is cleaned to remove dust and impurities. The thickness and height of the wall 01 and the trajectory of the cracks are measured, and the appropriate size of the protective template 1 and the positioning plate 2 are selected.

[0048] Two positioning plates 2 are clamped into the wall 01 on both sides of the top end of the crack position, and after installation, a drill is used to drill holes in the wall 01 at the positions of the through holes on the positioning plates 2, and then expansion bolts 3 are used to fixedly connect the positioning plates 2 with the wall 01, after the installation of the two positioning plates 2, the top ends thereof are threadedly connected through the bidirectional lead screw 5 and the threaded sleeve 4, a tool is used to twist the screw head 6, the wall 01 connected by the two positioning plates 2 is caused to approach each other, a certain degree of closure of the crack is achieved, and the structures of the wall 01 on both sides of the crack are combined and supported, thereby enhancing the overall strength of the wall 01;

[0049] The protective template 1 is clamped into the top end of the wall 01 at the crack position and is embedded into the limiting groove formed by the two positioning plates 2, after installation, the protective template 1 is fixed with the ground and the wall 01 through the ground nails 10 and the expansion wall nails 12, so as to avoid the falling of the protective template 1 and improve the stability of the wall 01 structure, the gap between the baffle 102 and the wall 01 is filled with polyurethane foaming glue, so as to form a sealed cavity between the protective template 1 and the wall 01.

[0050] The cover plate 8 is opened to keep the grouting port 7 unobstructed, the cement slurry is injected from the grouting port 7, the cement slurry is filled in the sealed cavity, the crack is filled with the cement slurry, after the cement slurry is solidified, the cover plate 8 is closed, at this time, the crack and the wall 01 on both sides of the area where the crack is located form a thickened cement filling layer, thereby repairing the crack of the wall 01 and enhancing the structure.

[0051] Obviously, the above embodiments are only examples for clearly illustrating, but not limiting the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A device for repairing cracks in a rural wall, comprising a protective template (1) for covering the area of the cracks of the wall (01), characterized in that: The protective template (1) is provided with positioning clamping plates (2) on both sides, at least two expansion bolts (3) are penetrated through the positioning clamping plates (2), and the expansion bolts (3) penetrate the wall body (01) and are arranged, and the inner side top end of the positioning clamping plate (2) is fixedly connected with a threaded sleeve (4); The two positioning clamping plates (2) are fixed on the top of the wall body (01) on both sides of the crack through the expansion bolts (3), and the protective template (1) and the two positioning clamping plates (2) are clamped from the top of the wall body (01); The two threaded sleeves (4) are threadedly connected with a bidirectional screw rod (5), and the outer side middle part of the bidirectional screw rod (5) is fixedly connected with a screw head (6); The protective template (1) is provided with a grouting port (7) at the top, and the inner side of the protective template (1) and the wall body (01) form a sealed cavity filled with cement slurry, which forms a cement filling layer after solidification.

2. The device for repairing a crack in a rural wall according to claim 1, wherein: The cross-sectional shape of the protective template (1) and the positioning clamping plate (2) is U-shaped, and the inner diameter length of the protective template (1) and the positioning clamping plate (2) matches the thickness of the wall body (01).

3. The device for repairing a crack in a rural wall according to claim 1, wherein: The width of the protective template (1) is equal to the distance between the two adjacent positioning clamping plates (2), and the protective template (1) is embedded in the limiting groove formed by the installation of the two positioning clamping plates (2).

4. The device for repairing a crack in a rural wall according to claim 1, wherein: The grouting port (7) of the protective template (1) is movably provided with a cover plate (8) on the inner side, which is used for controlling the opening and closing of the grouting port (7).

5. The device for repairing a crack in a rural wall according to claim 4, characterized in that: The cover plate (8) and the protective template (1) are hingedly arranged.

6. The device for repairing a crack in a rural wall according to claim 1, wherein: The inner side of the protective template (1) is provided with a containing groove (101), and the outer side edge of the containing groove (101) is provided with a pocket plate (102).

7. The device for repairing a crack in a rural wall according to claim 6, characterized in that: A sealing filling layer is arranged between the pocket plate (102) and the wall body (01).

8. The device for repairing a crack in a rural wall according to claim 7, characterized in that: The sealing filling layer is polyurethane foam.

9. The device for repairing a crack in a rural wall according to claim 1, wherein: The protective template (1) is provided with supporting rib plates (9) on both sides and at the bottom, and ground nails (10) are penetrated through the supporting rib plates (9).

10. The device for repairing a crack in a rural wall according to claim 1, wherein: The number of supporting rib plates (9) on one side of the protective template (1) is at least two, and a horizontal plate (11) is welded on the same group of supporting rib plates (9), the horizontal plate (11) is penetrated through the expansion wall nail (12) in an inclined manner, and the expansion wall nail (12) penetrates the protective template (1) and the cement filling layer and enters the wall body (01).

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