Construction tool and construction method for preventing external wall from being plastered

Abstract

The application discloses a construction tool and method for preventing mortar from hanging on an outer wall, and belongs to the technical field of building formwork fixing. The construction tool comprises a bent steel plate, rubber sheets are arranged on the bent steel plate and abut against the bottom of a formwork, fixing holes are formed in the bent steel plate, steel nails are adapted to be mounted in the fixing holes and connected with the formwork, the length of the rubber sheets is greater than the length of the bent steel plate, and the rubber sheets on one side of a shear wall are bent downward and abut against the shear wall. The application aims to solve the technical problem that foam adhesive tape is used to block the gaps at the roots of outer wall formwork, which is light and simple, but labor-consuming, time-consuming and material-consuming, and white pollution is caused when the foam adhesive tape is removed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of building template fixing, and further describes a construction tool and method for preventing hanging mortar of an outer wall. BACKGROUND

[0002] In building construction, shear walls and floors are formed by pouring, the shear walls and floors are perpendicular, the template is installed outside the floor, and pouring is performed again, wherein the template is parallel to the shear walls. At the bottom of the template and the shear walls, a foam tape is commonly used to block the gap at the root of the outer wall template. Although it is light and simple, it is labor-intensive, time-consuming and material-consuming, and white pollution is easily caused when the foam tape is removed. To solve this drawback, the application is created. SUMMARY

[0003] In order to solve the above technical problems, the inventors have summarized and obtained the technical scheme of the application. The basic concept of the technical scheme adopted by the application to solve the above technical problems is:

[0004] A construction tool for preventing hanging mortar of an outer wall, comprising a bent steel plate, wherein a rubber sheet is arranged on the bent steel plate, and the rubber sheet abuts against the bottom of the template; a fixing hole is formed in the bent steel plate, and a steel nail is adapted to be installed in the fixing hole to connect the template.

[0005] The length of the rubber sheet is greater than the length of the bent steel plate; and the rubber sheet on one side of the shear wall is bent downward and abuts against the shear wall.

[0006] In a further technical scheme, an outer edge portion is arranged at the bottom of the bent steel plate, and a storage cavity is arranged in the outer edge portion; the bottom of the rubber sheet is installed in the storage cavity.

[0007] A friction surface is arranged on the bent steel plate in the storage cavity, and the friction surface is adapted to be opposite to one side of the shear wall.

[0008] A fold line portion is arranged at the top of the friction surface, and the fold line portion is adapted to be bent outward.

[0009] In a further technical scheme, a support rod is installed below the bent steel plate, a bottom support plate is installed at the bottom of the support rod, an inclined pull rod is installed on the bottom support plate, and the top of the inclined pull rod is rotatably connected with the support rod.

[0010] The bottom of the inclined pull rod is detachably connected with the bottom support plate.

[0011] In a further technical scheme, a clamping plate is fixedly installed at the bottom of the bottom support plate, the bottom of the clamping plate is clamped to a lower floor, and the outer edge of the lower floor is clamped to the clamping plate.

[0012] In a further technical solution, the bottom of the diagonal rod is provided with a cross plate, and the cross plate is rotationally connected with the diagonal rod.

[0013] The bottom of the cross plate is provided with a threaded rod, and the bottom support plate is provided with a plurality of positioning holes, and the threaded rod is adapted to be inserted into the positioning hole and connected by a locking nut.

[0014] A construction method of a construction tool for preventing mortar from hanging on an outer wall, comprising the following steps:

[0015] Step 1: According to the site formwork engineering, a set of formwork surrounds the circumference of the building, the bent steel plate includes angle steel, the angle steel material is purchased, and two sets of angle steel materials are purchased, one of which is used for circulation;

[0016] Furthermore, the angle steel can be used repeatedly, and can be cut into different sizes according to the required width of the formwork to adapt to different structural member sizes on site;

[0017] Step 2: After the materials arrive, according to the width of the formwork, the angle steel is cut to match the length of the formwork; the width of the commonly used formwork is 900mm, the first steel nail hole is opened at a distance of 100mm from the formwork edge, then a steel nail hole is arranged every 200mm, and then the holes on the angle steel are drilled by the electric drill;

[0018] Step 3: The rubber sheet is laid on the inner side of the angle steel, and after the rubber sheet is laid, the angle steel is clamped at the lower opening of the formwork; the steel nail is used to fix the angle steel on the formwork through the steel nail hole, and the steel nail head is fixed on the exposed head; the excess length of the steel nail body is bent and tightly abuts against the formwork to fix the angle steel once;

[0019] Step 4: When the formwork is matched, the formwork back lath clamps the angle steel, and the formwork is reinforced by using a steel pipe, so that the angle steel can be reinforced twice.

[0020] In a further technical solution, in step 3, the supporting rod is extended to the outside of the shear wall, the bottom clamping plate is clamped with the lower floor or window sill, the top of the supporting rod is fixedly connected with the bent steel plate, and the top of the diagonal rod is adjusted, and the bottom of the cross plate is adjusted and threadedly connected with the positioning hole.

[0021] Advantages

[0022] The rubber sheet is fixed on the inner side of the bent steel plate, the bent steel plate is fixed on the formwork through the fixing hole by the steel nail, the formwork is further reinforced by the formwork back lath, the rubber sheet is filled into the gap of the bottom opening of the formwork by the extrusion of the bent steel plate, thereby preventing the mortar from leaking. At the same time, the bent steel plate plays a reinforcing role on the bottom of the formwork, which can reduce the deformation of the bottom opening of the formwork.

[0023] This invention uses a storage cavity on the outer edge to retain the foam adhesive falling from the rubber sheet, and the folded section facilitates the falling of the foam adhesive. The bottom uses a support rod, a bottom support plate, and a diagonal tie rod to form a fixed effect, and the bottom is snapped and fixed to the lower floor slab or window sill. The positioning hole is selected by a cross plate for insertion, and the lock nut is used to lock it in place. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram illustrating the use of the tool in Embodiment 1 of the present invention;

[0026] Figure 2 for Figure 1 Enlarged view of part A;

[0027] Figure 3 This is a schematic diagram of the bottom of the bent steel plate;

[0028] Figure 4 This is a schematic diagram illustrating the use of the tool in Embodiment 2 of the present invention;

[0029] Figure 5 This is a schematic diagram illustrating the use of the tool in Embodiment 3 of the present invention;

[0030] Figure 6 This is a top view of the bottom support plate of the present invention;

[0031] Figure 7 This is a schematic diagram illustrating the use of the tool in Embodiment 4 of the present invention;

[0032] Figure 8 This is a schematic diagram of the cross-shaped plate structure of the present invention.

[0033] In the diagram: 1. Bending steel plate; 2. Rubber sheet; 3. Template; 4. Fixing hole; 5. Shear wall; 6. Outer edge; 7. Storage cavity; 8. Friction surface; 9. Folded section; 10. Support rod; 11. Bottom support plate; 12. Diagonal tie rod; 13. Positioning plate; 14. Lower floor slab; 15. Cross plate; 16. Threaded rod; 17. Positioning hole. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0035] The application principles of the present application are further described below in conjunction with the drawings and specific embodiments.

[0036] Embodiment 1

[0037] As Figures 1-3 shown, for an embodiment of the present application, a construction tool for preventing hanging mortar of an external wall comprises a bent steel plate 1, a rubber sheet 2 is arranged on the bent steel plate 1, and the rubber sheet 2 abuts against the bottom of a formwork 3; a fixing hole 4 is formed on the bent steel plate 1, and a steel nail is adapted to be installed in the fixing hole 4 to connect the bent steel plate 1 and the formwork 3.

[0038] The length of the rubber sheet 2 is greater than the length of the bent steel plate 1; and the rubber sheet 2 on one side of a shear wall 5 is bent downward and abuts against the shear wall 5.

[0039] A construction method of a construction tool for preventing hanging mortar of an external wall comprises the following steps:

[0040] Step 1, according to the site formwork engineering, a set of formworks surrounds the circumference of a building, the bent steel plate comprises angle steels, the angle steel materials are purchased, and two sets of angle steel materials are purchased, one of which is used for circulation;

[0041] In addition, the angle steels can be repeatedly used for multiple times, and can be cut into different sizes according to the required width of the formwork to adapt to different structural member sizes on site;

[0042] Step 2, after the materials are brought in, the angle steels are cut according to the width of the formwork, so that the length of the angle steels is consistent with the width of the formwork; the width size of a commonly used formwork is 900 mm, a first steel nail hole is formed at a distance of 100 mm from the edge of the formwork, then a steel nail hole is formed every 200 mm, and the steel nail holes are uniformly arranged, and then a hole is drilled on the angle steel at the pre-set hole position by using an electric drill;

[0043] Step 3, the rubber sheet is laid on the inner side of the angle steel, the angle steel is clamped at the lower opening of the formwork after the rubber sheet is fully laid, the angle steel is nailed to the formwork by using the steel nail holes and the steel nails, the tip of the steel nail is nailed to the exposed head, the excess length of the body of the steel nail is bent and tightly abuts against the formwork, and the angle steel is fixed for the first time;

[0044] Step 4, when the formwork is matched, the formwork back lath clamps the angle steel, the formwork is reinforced by using a steel pipe, and the angle steel is reinforced for the second time.

[0045] The rubber sheet 2 is fixed on the inner side of the angle steel, the angle steel is fixed on the formwork 3 by penetrating the fixing hole 4 with the steel nail, the formwork 3 is reinforced for the second time by using the formwork back lath, the rubber sheet 2 is filled into the gap of the lower opening of the formwork by the extrusion of the angle steel, and thus the effect of preventing mortar leakage is achieved. Meanwhile, the formwork 3 is reinforced at the bottom by using the angle steel, and the deformation of the lower opening of the formwork 3 is reduced.

[0046] Embodiment 2

[0047] As Figure 4 shown, for another embodiment of the present application, on the basis of example 1, the bottom of the bent steel plate 1 is provided with an outer edge 6, and a storage cavity 7 is arranged in the outer edge 6; the bottom of the rubber sheet 2 is mounted in the storage cavity 7;

[0048] A friction surface 8 is arranged on the bent steel plate 1 in the storage cavity 7, and the friction surface 8 is suitable for the side of the shear wall 5;

[0049] The top of the friction surface 8 is provided with a fold line part 9, and the fold line part 9 is suitable for outward bending.

[0050] Example 3

[0051] As Figures 5-6 shown, for another embodiment of the present application, on the basis of example 2, the bent steel plate 1 is mounted with a support rod 10, the bottom of the support rod 10 is mounted with a bottom support plate 11, the bottom support plate 11 is mounted with a diagonal rod 12, and the top of the diagonal rod 12 is rotatably connected with the support rod 10; the bottom of the diagonal rod 12 is detachably connected with the bottom support plate 11.

[0052] The bottom of the bottom support plate 11 is fixedly mounted with a clamping plate 13, the bottom of the clamping plate 13 is clamped in the lower floor slab 14, and the outer edge of the lower floor slab 14 is clamped with the clamping plate 13. In this embodiment, the clamping plate is clamped at the edge of the lower floor slab 14.

[0053] The bottom of the diagonal rod 12 is mounted with a cross plate 15, the cross plate 15 is rotatably connected with the diagonal rod 12; the bottom of the cross plate 15 is mounted with a threaded rod 16; the bottom support plate 11 is provided with a plurality of positioning holes 17, the threaded rod 16 is suitable for being inserted into the positioning hole 17 and being connected with a locking nut.

[0054] Example 4

[0055] As Figure 7 and 8 shown, for another embodiment of the present application, on the basis of example 3, the clamping plate 13 is mounted at the window sill.

[0056] A construction method of a construction tool for preventing mortar from hanging on an outer wall, comprising the following steps:

[0057] Step 1, according to the site formwork 3 project, a set of formwork 3 surrounds the circumference of the building, the bent steel plate 1 includes angle steel, the angle steel material is purchased, and two sets of angle steel materials are purchased, one of which is used for circulation;

[0058] And, the angle steel can be repeatedly used, and can be cut into different sizes according to the required width of the template 3 to adapt to different sizes of structural members on site.

[0059] Step 2, after the material is introduced, the angle steel is cut according to the width of the template 3, so that the length of the angle steel is consistent with the width of the template 3; the width size of the commonly used template 3 is 900mm, the first steel nail hole is opened at a distance of 100mm from the edge of the template 3, and then a steel nail hole is arranged every 200mm, and then a hole is drilled on the angle steel at the pre-set hole position by using an electric drill;

[0060] Step 3, the rubber sheet 2 is laid on the inner side of the angle steel, and after the rubber sheet 2 is laid, the angle steel is clamped at the lower opening of the template 3; the angle steel is nailed on the template 3 by using the steel nail hole, and the steel nail head is nailed to the exposed head; the excess length of the steel nail body is bent and tightly abuts against the template 3, and the angle steel is fixed for the first time;

[0061] Step 4, when the mold is matched, the template 3 is clamped with the angle steel, and the template 3 is reinforced by using a steel pipe, so that the angle steel can be reinforced for the second time.

[0062] In a further technical solution, in step 3, the supporting rod 10 is extended to the outside of the shear wall 5, the bottom clamping plate 13 is clamped with the window sill; the top of the supporting rod 10 is fixedly connected with the bent steel plate 1; the top of the inclined pull rod 12 is adjusted, and the position of the cross plate 15 at the bottom is adjusted and is screw-connected with the positioning hole 17.

[0063] It is obvious for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0064] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A construction tool for preventing plaster buildup on exterior walls, characterized in that, Includes a bent steel plate (1), on which a rubber sheet (2) is provided, and the rubber sheet (2) abuts against the bottom of the template (3); a fixing hole (4) is provided on the bent steel plate (1), and the fixing hole (4) is suitable for installing steel nails to connect with the template (3); The length of the rubber sheet (2) is greater than the length on the bent steel plate (1); and the rubber sheet (2) located on one side of the shear wall (5) is bent downward and abuts against the shear wall (5); The bottom of the bent steel plate (1) is provided with an outer edge (6), and a storage cavity (7) is provided inside the outer edge (6); the bottom of the rubber sheet (2) is installed inside the storage cavity (7); A friction surface (8) is provided on the bent steel plate (1) located in the storage cavity (7), the friction surface (8) being on the side opposite to the shear wall (5); The friction surface (8) is provided with a zigzag section (9) at its top, and the zigzag section (9) is adapted to bend outward; A support rod (10) is installed under the bent steel plate (1), a bottom support plate (11) is installed at the bottom of the support rod (10), a diagonal tie rod (12) is installed on the bottom support plate (11), and the top of the diagonal tie rod (12) is rotatably connected to the support rod (10). The bottom of the diagonal tie rod (12) is detachably connected to the bottom support plate (11); A positioning plate (13) is fixedly installed at the bottom of the bottom support plate (11). The bottom of the positioning plate (13) is engaged with the lower floor slab (14). The outer edge of the lower floor slab (14) is engaged with the positioning plate (13).

2. The construction tool for preventing plaster buildup on exterior walls according to claim 1, characterized in that, A cross plate (15) is installed at the bottom of the diagonal tie rod (12), and the cross plate (15) is rotatably connected to the diagonal tie rod (12); The bottom of the cross plate (15) is equipped with a threaded rod (16); the bottom support plate (11) is provided with a positioning hole (17), and there are multiple sets of positioning holes (17). The threaded rod (16) is suitable for being inserted into the positioning hole (17) and connected with a lock nut.

3. A construction method for a construction tool for preventing plastering on exterior walls as described in claim 2, characterized in that, Includes the following steps: Step 1: According to the on-site template (3) project, a set of template (3) surrounds the perimeter of the building, and the steel plate (1) including angle steel is bent. The angle steel material is purchased, and two sets of angle steel materials are purchased, one of which is used for reuse. Furthermore, angle steel can be reused multiple times and can be cut into different sizes according to the required width of the template (3) to adapt to different structural component sizes on site; Step 2: After the materials arrive, cut the angle steel according to the width of the template (3) so that the length of the angle steel matches it; the width of the commonly used template (3) is 900mm. Make the first steel nail hole 100mm away from the edge of the template (3). Then, make a steel nail hole every 200mm and arrange them evenly. Then use an electric drill to drill holes in the preset holes on the angle steel. Step 3: Lay the rubber sheet (2) flat on the inside of the angle steel. After it is fully laid, clamp the angle steel at the bottom of the template (3). Use steel nails to nail the angle steel to the template (3) through the nail holes. The tip of the steel nail should be nailed until it protrudes. Bend the excess length of the steel nail body and press it against the template (3) to fix the angle steel once. Step 4: When assembling the template, clamp the angle steel with the back rib of the template (3) and reinforce the template (3) with steel pipes, which can then reinforce the angle steel a second time.

4. The construction method of the construction tool for preventing plastering on external walls according to claim 3, characterized in that: In step 3, the support rod (10) is extended to the outside of the shear wall (5), and the bottom locking plate (13) is locked to the lower floor slab (14) or window sill; the top of the support rod (10) is fixedly connected to the bent steel plate (1); the top of the diagonal tie rod (12) is adjusted, and the position of the bottom cross plate (15) is adjusted and threadedly connected to the positioning hole (17).

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