Inserting and drilling tool for controlling thickness of concrete slab and using method of inserting and drilling tool

Abstract

The invention provides an inserting drill rod tool for controlling the thickness of a concrete slab and a using method thereof, the inserting drill rod tool comprises a holding rod, a base and a plurality of inserting rods, the base is fixedly connected with the bottom end of the holding rod, screw holes are formed in the corners of the base, and threads are arranged on the outer sides of the inserting rods and vertically arranged in the screw holes. The method has the beneficial effect that the detection process of the thickness of the concrete slab is remarkably simplified. The construction personnel only need to arrange the monitoring points according to the specified spacing distance and place the drill rod inserting tool on the monitoring points, operation is easy and fast, tedious steps and time consumption in a traditional measuring method are reduced, and the construction efficiency is remarkably improved. In addition, due to the portability and usability of the tool, a constructor can quickly complete the monitoring work of a large-area floor slab, and the construction progress is further accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of concrete measurement, and in particular to a chisel tool for controlling the thickness of a concrete slab and a use method thereof. Background Art

[0002] In construction projects, floor thickness is one of the key monitoring items for concrete engineering quality control, and its control effect is directly related to the structural safety and use function of the building. According to the requirements of the "Concrete Structure Engineering Construction Quality Acceptance Code" (GB50204-2015), the allowable deviation of cast-in-place concrete floor thickness is +8mm, -5mm. However, in the actual on-site construction process, the unqualified parts of the concrete slab thickness often exceed the designed slab thickness. This situation will not only cause a waste of concrete materials and increase engineering costs, but also lead to excessive thickness of the steel bar protective layer, seriously affecting the durability and safety of the structure.

[0003] From a technical perspective, the main reasons for excessive floor thickness include: deformation caused by insufficient rigidity of the formwork support system, inaccurate elevation control during concrete pouring, and improper vibration technology causing the formwork to float. These construction quality problems will bring a series of adverse effects: first, the over-thick floor will increase the deadweight of the structure, causing the overall load of the building to exceed the design value, affecting the safety of the structure; second, the thickness of the steel bar protective layer is difficult to guarantee, reducing the crack resistance and durability of the structure; third, the uneven thickness of the floor will affect the construction quality of subsequent decoration projects, such as insufficient thickness of the floor leveling layer.

[0004] To ensure that the floor thickness meets the design requirements, the construction unit needs a device that can measure the floor thickness for detection, timely discover and correct deviations, so as to effectively control the floor thickness, ensure structural safety, improve construction efficiency, reduce material waste, and achieve dual protection of project quality and economic benefits. Summary of the invention

[0005] To solve the problem of inconvenient and inefficient measurement of floor thickness; The invention provides a drilling tool for controlling the thickness of a concrete slab, comprising a gripping rod, a base and a plurality of insertion rods, wherein the base is fixedly connected to the bottom end of the gripping rod, screw holes are arranged at the corners of the base, and threads are arranged on the outer sides of the insertion rods vertically in the screw holes.

[0006] As a preferred solution, the base is provided with a plurality of air holes.

[0007] As a preferred solution, a reinforcing nut is sleeved on the outer side of the insertion rod.

[0008] As a preferred solution, the gripping rod comprises an inner screw and an outer sleeve, the bottom end of the inner screw is fixedly connected to the base, and the inner wall of the outer sleeve has a threaded sleeve arranged on the outside of the inner screw.

[0009] As a preferred solution, a reinforcement ring is sleeved on the outer side of the grip rod, and the reinforcement ring is provided with a reinforcement rod fixedly connected to a reinforcement nut.

[0010] As a preferred solution, the number of the cutting rods is 3 to 5, and the number of co-linear cutting rods is no more than 2.

[0011] As a preferred solution, an anti-falling nut is fixedly provided on the top of the cutting rod.

[0012] The present invention also provides a method for using the above-mentioned brazing tool, comprising the following steps: S1. Adjust the length of the cutting rod below the base to the plate thickness; S2. Set a drill bit monitoring point at a certain interval on the floor, with a spacing of 1.8 to 2 meters; S3. Place the insertion tool at the insertion monitoring point so that the lower ends of all insertion rods touch the floor bottom formwork; S4. Adjust the upper surface of the concrete floor slab to fit the lower surface of the base. After all the drill bit monitoring points have been adjusted, re-measure until there is no lack of concrete or excess concrete on the floor slab.

[0013] As a preferred solution, the drill insertion monitoring points are arranged in a plum blossom shape or a rectangle.

[0014] As a preferred solution, when the span of a single floor slab cannot meet the spacing requirements of the plunger monitoring points, no less than 5 plunger measurement points shall be arranged in each room, and the 5 plunger measurement points shall be arranged at the four corners and the center of the floor slab respectively.

[0015] The beneficial effects of the present invention are: 1. The present invention can accurately control the thickness of the concrete slab by adjusting the length of the cutting rod, thereby ensuring that the thickness of the concrete slab meets the construction specifications. Accurate thickness control not only helps to improve the bearing capacity and durability of the floor slab, but also avoids cracks or other quality problems caused by uneven thickness, thereby improving the overall construction quality.

[0016] 2. The present invention significantly simplifies the detection process of the thickness of the concrete slab. Construction personnel only need to arrange the monitoring points according to the specified intervals and place the insertion tool on the monitoring points. The operation is simple and fast, which reduces the cumbersome steps and time consumption in the traditional measurement method and significantly improves the construction efficiency. In addition, the portability and ease of use of the tool also enable construction personnel to quickly complete the monitoring work of large-area floor slabs, further accelerating the construction progress.

[0017] 3. The present invention ensures that the insertion rod will not deviate or loosen during the construction process through the combination of the reinforcement ring, the reinforcement rod and the reinforcement nut, thereby enhancing the structural stability of the entire tool, so that the insertion tool can withstand greater pressure and vibration during the concrete pouring process, thereby ensuring the accuracy and reliability of the measurement data. In addition, this design also extends the service life of the tool and reduces construction interruptions or cost increases caused by tool damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein Figure 1 It is a schematic diagram of the structure of the present invention.

[0019] The reference numerals in the accompanying drawings are: According to the above technical solution, the parts with labels are extracted and sorted by label as follows: 1. Grip rod; 11. Inner screw rod; 12. Outer sleeve; 13. Reinforcement ring; 2. Base; 21. Air vent; 3. Insertion rod; 31. Reinforcement nut; 32. Anti-fall-off nut; 4. Reinforcement rod. DETAILED DESCRIPTION

[0020] To illustrate the features of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Embodiment 1: See also Figure 1 The embodiment of the present invention provides a plugging tool for controlling the thickness of a concrete slab, comprising a gripping rod 1, a base 2 and a plurality of plugging rods 3. The base is made of a 3 mm thin steel plate cut into a square steel plate with a side length of 30 cm. The specific connection method is that the base 2 is fixedly connected to the bottom end of the gripping rod 1, and the base 2 and the gripping rod 1 are perpendicular to each other. The gripping rod 1 comprises an inner screw 11 and an outer sleeve 12. The bottom end of the inner screw 11 is fixedly connected to the base 2. The inner wall of the outer sleeve 12 has a threaded sleeve arranged on the outside of the inner screw 11. The length of the gripping rod 1 can be changed by rotating the outer sleeve 12, so that people of different heights can operate more conveniently.

[0022] The base 2 is a rectangular plate, with a φ14 screw hole set at each of the four corners. The insertion rod 3 is 25 cm long and has a thread set vertically in the screw hole. By moving the insertion rod up and down and setting multiple insertion rods to determine the measurement plane, the accuracy of the concrete slab thickness measurement is ensured, the thickness of the steel bar protection layer meets the design requirements, and the subsequent maintenance costs caused by quality problems are reduced.

[0023] In order to ensure the accuracy of the measurement and avoid the measurement accuracy being affected by the buoyancy of the concrete, in this embodiment, four 5×7 cm rectangular air holes 21 are opened on the base 2.

[0024] In addition, in this embodiment, a reinforcing nut 31 is sleeved on the outside of the cutting rod 3, and a reinforcing ring 13 is sleeved on the outside of the grip rod 1, and the reinforcing rod 4 is fixedly connected to the reinforcing nut 31. A four-sided triangle structure is formed to avoid inaccurate measurement caused by component deformation. The reinforcing rod 4 is welded and connected with C10 steel bars, which is convenient to manufacture using local materials.

[0025] Preferably, the present embodiment further improves the adaptability of the cutting rod 3 , and an anti-falling nut 32 is fixedly provided on the top of the cutting rod 3 .

[0026] Embodiment 2: The embodiment of the present invention provides a method for using the inserting tool of embodiment 1, which is applied to the rental housing project of Xujiazhuang plot, with a total land area of ​​38,200 square meters and a total construction area of ​​107,800 square meters. Among them, the above-ground area is 76,400 square meters, and the underground construction area is 31,400 square meters. This project is divided into 9 units and 1 garage, among which 1#-8# buildings have 18 floors above ground and 2 floors underground; pile raft foundation, assembled shear wall structure; 9# building has three floors above ground, one floor underground, and assembled frame structure. In this embodiment, the thickness of the cast-in-place concrete floor slab is 7cm-18cm. The specific detection method includes the following steps: S1. The length of the cutting rod 3 below the base 2 is adjusted to the plate thickness; S2. Set a drill bit monitoring point at a certain interval on the floor, with a spacing of 1.8 to 2 meters; S3. Place the insertion tool at the insertion monitoring point so that the lower end of all insertion rods 3 are in contact with the floor bottom mold; S4. Adjust the upper surface of the concrete floor slab to fit with the lower surface of the base 2. After all the drill bit monitoring points are adjusted, re-measure until there is no lack of concrete or excess concrete on the floor slab.

[0027] Preferably, the drill insertion monitoring points in this embodiment are arranged in a rectangular shape to make the measurement result more reasonable.

[0028] Preferably, in the present embodiment, when the span of some single floor slabs cannot meet the spacing requirement of the penetration rod monitoring points, 5 penetration rod measurement points are arranged in each room, and the 5 penetration rod measurement points are arranged at the four corners and the center of the floor slab respectively.

[0029] The above embodiments and drawings are only used to illustrate the technical solutions of the present invention, and are not intended to limit the present invention. The present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that any changes, modifications, additions or substitutions made by those skilled in the art within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention. Other related technical structures not fully disclosed in the present invention are prior art in the art.

Claims

1. A drilling tool for controlling the thickness of a concrete slab, characterized in that: The invention comprises a gripping rod (1), a base (2) and a plurality of implanting rods (3), wherein the base (2) is fixedly connected to the bottom end of the gripping rod (1), screw holes are arranged at the corners of the base (2), and threads are arranged on the outer sides of the implanting rods (3) vertically in the screw holes.

2. The drilling tool for controlling the thickness of a concrete slab according to claim 1, characterized in that: The base (2) is provided with a plurality of air holes (21).

3. The drilling tool for controlling the thickness of a concrete slab according to claim 2, characterized in that: A reinforcing nut (31) is sleeved on the outer side of the insertion rod (3).

4. The drilling tool for controlling the thickness of a concrete slab according to claim 1, characterized in that: The gripping rod (1) comprises an inner screw (11) and an outer sleeve (12); the bottom end of the inner screw (11) is fixedly connected to the base (2); and the inner wall of the outer sleeve (12) is provided with a thread sleeve arranged outside the inner screw (11).

5. The drilling tool for controlling the thickness of a concrete slab according to claim 3, characterized in that: A reinforcement ring (13) is sleeved on the outer side of the grip rod (1), and the reinforcement ring (13) is provided with a reinforcement rod (4) fixedly connected to a reinforcement nut (31).

6. The drilling tool for controlling the thickness of a concrete slab according to claim 1, characterized in that: The number of the cutting rods (3) is 3 to 5, and the number of the co-linear cutting rods (3) is no more than 2.

7. The drilling tool for controlling the thickness of a concrete slab according to claim 1, characterized in that: An anti-falling nut (32) is fixedly provided on the top end of the insertion rod (3).

8. A method for using the brazing tool according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1. The length of the cutting rod (3) below the base (2) is adjusted to the plate thickness; S2. Set a drill bit monitoring point at a certain interval on the floor, with a spacing of 1.8 to 2 meters; S3. Place the insertion tool at the insertion monitoring point so that the lower end of all insertion rods (3) contacts the floor bottom mold; S4. Adjust the upper surface of the concrete floor slab to fit the lower surface of the base (2). After all the drill bit monitoring points have been adjusted, retest until there is no lack of concrete or excess concrete on the floor slab.

9. The method for using the boring tool according to claim 8, characterized in that: The drill insertion monitoring points are arranged in a plum blossom shape or a rectangle.

10. The method for using the boring tool according to claim 8, characterized in that: When the span of a single floor slab cannot meet the spacing requirements of the plunger monitoring points, no less than 5 plunger measuring points shall be arranged in each room, and the 5 plunger measuring points shall be arranged at the four corners and the center of the floor slab respectively.

Images