Shear wall formwork split bolt trepanning method

Abstract

The invention relates to the technical field of building construction, in particular to a shear wall formwork split bolt trepanning method which comprises the following specific steps that a base mold is adjusted, and limiting clamps are arranged at the four corners respectively; a plurality of templates to be perforated are placed on the base mold, the templates to be perforated are located in four sets of limiting clamps, the limiting clamps are adjusted to abut against the side edges of the templates to be perforated, the sizes of the templates are the same, and the side edges of the templates to be perforated are flush; a plurality of templates to be perforated are clamped by step clamps, and sole timbers are additionally arranged between the hook parts of the hook-shaped clamping rods of the step clamps and the templates and between the movable clamping heads and the templates; positioning a to-be-perforated position on the top surface line of the to-be-perforated template on the uppermost layer; a hole is formed along the scribing position; the method is simple and easy to implement, convenient to operate and low in cost, the positioning accuracy of the positions of the split bolt holes in the inner side and the outer side of the shear wall can be improved to a great extent, and then the concrete construction quality of the shear wall can be guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a method for drilling holes for tension bolts in a shear wall template. Background Art

[0002] When installing the shear wall formwork, the accurate positioning of the holes for the tension bolts is extremely high. When drilling holes in traditional shear wall formwork, 6-8 layers of formwork are stacked together and holes are drilled directly. This can easily cause the sides of the formwork to not be aligned, resulting in displacement and offset of the hole positions. This often leads to problems during the construction process: the wall formwork is not vertical or tilted during the formwork installation process, and the holes in the inner and outer side formworks are not in the same position, resulting in twisting and skewing of the tension bolts, and quality problems such as extremely poor flatness of the wall concrete, loose joints, and mold expansion or explosion. The subsequent repair and polishing work is large and the quality appearance is poor. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a method for drilling tension bolt holes in a shear wall formwork which can improve the accurate positioning of the tension bolt holes on both sides of the shear wall.

[0004] The technical solution adopted by the present invention to solve its technical problem is: A method for drilling holes for tension bolts in a shear wall formwork, the specific steps are as follows: S1: Adjust the base mold and set limit cards at the four corners; S2: placing a plurality of templates to be punched on the base mold, wherein the plurality of templates to be punched are located in four sets of limit cards, and adjusting the limit cards until the limit cards abut against the sides of the plurality of templates to be punched, wherein the plurality of templates have the same size and the sides of the plurality of templates to be punched are flush; S3: Use step-by-step clamps to clamp several templates to be opened, and add pads between the hook of the step-by-step clamp hook-type clamp rod and the template, and between the movable clamp head and the template; S4: Locate the hole position on the top surface line of the uppermost template to be opened; S5: Drill holes along the marked lines.

[0005] Preferably, a further technical solution of the present invention is: Preferably, the base mold is in a well shape, connected by two transverse ribs and two longitudinal ribs. When adjusting the base mold, the distance between the transverse ribs, the longitudinal ribs and the side of the template is adjusted to 100mm-150mm.

[0006] Preferably, a plurality of first adjustment holes are arranged on the top surfaces of the two transverse ribs at intervals along their length, and a plurality of second adjustment holes are arranged on the bottom surfaces of the two longitudinal ribs at intervals along their length. In step S1, the base mold is adjusted according to the size of the template to be opened, the two transverse ribs are first adjusted to a suitable spacing, and then the connecting ribs are inserted into the first adjustment holes at suitable positions, and the two longitudinal ribs are connected and fixed to the two transverse ribs through the connecting ribs.

[0007] Preferably, four groups of limit cards are provided, which are located at the four corners, with two in each group, corresponding to the two adjacent edges at each vertex.

[0008] Preferably, the side section of the limit card is a right triangle, in which one right-angled side is horizontally arranged and the other right-angled side is used to abut the side of the template; the limit card is slidably connected to the transverse ribs and longitudinal ribs and is fixed by locking bolts and locking nuts.

[0009] Preferably, the limit card sliding connection structure is specifically that long through holes are arranged on the side surfaces of the transverse ribs and the longitudinal ribs along their length, a locking hole is arranged on the limit card, and a locking bolt passes through the locking hole and the long through hole.

[0010] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The method is simple, easy to operate, and low in cost, and can greatly improve the positioning accuracy of the tension bolt holes on the inner and outer sides of the shear wall, thereby ensuring the construction quality of the shear wall concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the method used to drill holes for tension bolts in a shear wall template in an embodiment of the present invention; Figure 2 Schematic diagram of the top view of the base mold in the embodiment of the present invention.

[0012] Explanation of the reference numerals: 1. Horizontal rib; 2. Longitudinal rib; 3. Limiting card; 4. Stepping card; 5. Pad; 6. Template; 7. Long through hole; 8. Locking bolt. DETAILED DESCRIPTION

[0013] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0014] like Figure 1 to Figure 2 As shown, this embodiment provides a method for drilling holes for tension bolts in a shear wall formwork, and the specific steps are as follows: S1: Adjust the base mold according to the size of the template 6, and set limit cards 3 at the four corners; wherein, the base mold is in a well shape, connected by two transverse ribs 1 and two longitudinal ribs 2. When adjusting the base mold, adjust the distance between the transverse ribs 1, the longitudinal ribs 2 and the side of the template 6 to 100mm-150mm.

[0015] In order to make the base mold adapt to molds of multiple sizes, a number of first adjustment holes are arranged on the top surfaces of the two transverse ribs 1 in the base mold along their lengthwise intervals, and a number of second adjustment holes are arranged on the bottom surfaces of the two longitudinal ribs 2 along their lengthwise intervals. When adjusting the base mold according to the size of the template 6 to be opened, first adjust the two transverse ribs 1 to a suitable spacing, and then insert the connecting ribs into the first adjustment holes at the appropriate positions, and the two longitudinal ribs 2 are connected and fixed to the two transverse ribs 1 through the connecting ribs.

[0016] There are four groups of limit cards 3, which are respectively located at the four corners, with two in each group, corresponding to the two adjacent sides at each vertex; the side section of the limit card 3 is a right triangle, one of the right-angled sides is horizontally arranged, and the other right-angled side is used to abut the side of the template 6; the limit card 3 is slidably connected to the transverse rib 1 and the longitudinal rib 2 and fixed by the locking bolt 8 and the locking nut. The sliding connection structure of the limit card 3 is specifically that a long through hole 7 is arranged along the length of the side of the transverse rib 1 and the longitudinal rib 2, and a locking hole is arranged on the limit card 3. The locking bolt 8 passes through the locking hole and the long through hole 7. When the locking nut is loosened, the position of the limit card 3 is adjustable, and when the locking nut is tightened, the position of the limit card 3 is locked and fixed.

[0017] S2: Place a number of templates 6 to be punched with holes on the base mold, wherein the templates 6 are located in four groups of limit cards 3, and adjust the limit cards 3 until the limit cards 3 abut against the sides of the templates 6 to be punched with holes, wherein the templates 6 have the same size and the sides of the templates 6 to be punched with holes are flush.

[0018] S3: Use the step-by-step clamp 4 to clamp a number of templates 6 to be punched, and add a block 5 between the hook portion of the hook-shaped clamp rod of the step-by-step clamp 4 and the template 6, and between the movable clamp head and the template 6 to prevent the template 6 from being scratched.

[0019] S4: Locate the position of the hole to be opened on the top surface line of the uppermost template 6 to be opened.

[0020] S5: Drill holes along the marked lines.

[0021] It should be noted that when using this method to drill holes in the template 6, the number of templates 6 drilled at one time should not be greater than 10.

[0022] This innovation adopts base mold, limit card 3, step-by-step card 4 fixed template 6, and the overall unified hole opening is achieved, so that the holes are neat, the spacing is uniform and accurate, the screw holes are neat and beautiful, and the size is consistent; the operation is simple and easy, the cost is low, and the positioning accuracy of the tension bolt holes on the inside and outside of the shear wall can be greatly improved, thereby ensuring the quality of shear wall concrete construction.

[0023] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made by using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A method for drilling holes for tension bolts in a shear wall formwork, characterized in that: The specific steps are as follows: S1: Adjust the base mold and set limit cards at the four corners; S2: placing a plurality of templates to be punched on the base mold, wherein the plurality of templates to be punched are located in four sets of limit cards, and adjusting the limit cards until the limit cards abut against the sides of the plurality of templates to be punched, wherein the plurality of templates have the same size and the sides of the plurality of templates to be punched are flush; S3: Use step-by-step clamps to clamp several templates to be opened, and add pads between the hook of the step-by-step clamp hook-type clamp rod and the template, and between the movable clamp head and the template; S4: Locate the hole position on the top surface line of the uppermost template to be opened; S5: Drill holes along the marked lines.

2. A method for drilling holes for tension bolts in a shear wall formwork according to claim 1, characterized in that: The base mold is in a well shape, connected by two horizontal ribs and two vertical ribs. When adjusting the base mold, adjust the distance between the horizontal ribs, vertical ribs and the side of the template to 100mm-150mm.

3. A method for drilling holes for tension bolts in a shear wall formwork according to claim 2, characterized in that: A plurality of first adjustment holes are arranged on the top surfaces of the two transverse ribs along their lengthwise intervals, and a plurality of second adjustment holes are arranged on the bottom surfaces of the two longitudinal ribs along their lengthwise intervals. In step S1, the base mold is adjusted according to the size of the template to be opened, the two transverse ribs are first adjusted to a suitable spacing, and then the connecting ribs are inserted into the first adjustment holes at suitable positions, and the two longitudinal ribs are connected and fixed to the two transverse ribs through the connecting ribs.

4. A method for drilling holes for tension bolts in a shear wall formwork according to claim 2, characterized in that: There are four groups of limit cards, which are located at the four corners, with two in each group, corresponding to the two adjacent edges at each corner.

5. A method for drilling holes for tension bolts in a shear wall formwork according to claim 4, characterized in that: The side section of the limit card is a right triangle, one of the right angle sides is horizontally arranged, and the other right angle side is used to abut the side of the template; the limit card is slidably connected to the transverse ribs and longitudinal ribs and is fixed by locking bolts and locking nuts.

6. A method for drilling holes for tension bolts in a shear wall formwork according to claim 5, characterized in that: The limit card sliding connection structure is specifically that long through holes are arranged along the length direction of the side surfaces of the transverse ribs and the longitudinal ribs, a locking hole is arranged on the limit card, and a locking bolt passes through the locking hole and the long through hole.

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