Dabbling device for inner wall of drilled hole in concrete pipeline
By combining the flexible chiseling component with the fixed rod and the centrifugal force of the power element, the problem of the existing equipment being inconvenient to operate on the inner wall of small drilled holes in concrete pipes is solved, and the effect of flexible adaptation to different sizes and specifications and cost reduction is achieved.
Patent Information
- Application Number
- CN202510918625.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-04
- Publication Date
- 2025-09-26
AI Technical Summary
Existing roughening equipment is inconvenient to operate on the inner wall of smaller holes in concrete pipes, and the fixed-size roughening head cannot adapt to holes of different sizes, resulting in high usage costs.
A flexible chiseling assembly is used, which is combined with a fixed rod and the flexible chiseling assembly. The power element generates centrifugal force to strike and chisel the inner wall of the drill hole. The flexible chiseling assembly can be adjusted to adapt to different sizes.
The operation is more convenient, the use cost is reduced, the adaptability is good, the flexible chiseling components are replaceable, and the protective plate prevents debris from splashing, protecting the safety of workers.
Smart Images
Figure CN120697188A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of concrete pipe roughening equipment, in particular to a roughening device for roughening the inner wall of a drilled hole in a concrete pipe. Background Art
[0002] Roughening is the process of creating strip-shaped indentations in the surface of a completed concrete structure using tools such as an axe or a roughing machine. Its core function is to ensure a strong bond between the new and old concrete construction stages. For example, because the installation process requires drilling holes in concrete pipes, concrete needs to be poured at the drilled locations after the concrete pipes are installed to meet sealing requirements. However, the holes made by existing drilling equipment on the surface of concrete pipes are usually very smooth. Therefore, roughening equipment is needed to roughen the inner walls of the holes to improve the bond strength after the concrete is poured. Currently, roughening equipment mostly uses a roughening head with a raised blade (hard blade) for roughening, which is more convenient for roughening large surfaces. However, roughening the inner walls of smaller holes in concrete pipes is more inconvenient. Moreover, when the sizes of the holes vary, a fixed-size roughening head cannot meet the usage requirements, and different-sized roughening heads are required, which increases the cost of using the equipment. Summary of the Invention
[0003] The object of the present invention is to provide a device for roughening the inner wall of a hole in a concrete pipe in order to solve the above problems.
[0004] The present invention achieves the above-mentioned purpose through the following technical solutions:
[0005] A chiseling device for roughening the inner wall of a hole drilled in a concrete pipe comprises a chiseling device body, a fixing rod fixedly provided on one side of the chiseling device body, a flexible chiseling assembly fixedly provided on the fixing rod, a mounting handle fixedly provided on the other side of the chiseling device body, the mounting handle fixedly installed on the output end of a power element, and the power element drives the flexible chiseling assembly to rotate to generate centrifugal force to strike and chisel the inner wall of the hole drilled in the concrete pipe.
[0006] Preferably, the number of the fixing rods is 1 to 4.
[0007] Preferably, one of the fixing rods is located at the center position of the side of the chiseling device body, or two of the fixing rods are distributed in a straight line on the side of the chiseling device body, or three of the fixing rods are distributed in a regular triangle on the side of the chiseling device body, or four of the fixing rods are distributed in a square on the side of the chiseling device body.
[0008] Preferably, a plurality of fixing rings are provided on the outer fixing sleeves of the fixing rods, and there are a plurality of fixing rings which are evenly spaced and distributed on the fixing rods.
[0009] Preferably, the flexible chiseling component is a chain or a steel wire rope.
[0010] Preferably, a ring is provided on the fixing sleeve of the fixing rod, and the chain or the steel wire rope is fixedly connected to the ring.
[0011] Preferably, the number of the flexible chiseling components on the fixing rod is 2 to 5.
[0012] Preferably, a plurality of the flexible chiseling components are distributed at equal intervals on the fixing rod.
[0013] Preferably, a protective disc is sleeved on the mounting handle, a sleeve is fixedly provided on a side of the protective disc away from the chiseling device body, and a locking screw is rotatably provided on one side of the sleeve.
[0014] Preferably, the length of the fixing rod is 10 to 20 cm.
[0015] The beneficial effects of the present invention are as follows: (1) the flexible chiseling assembly of the present invention is used to chisel the inner wall of a drill hole with a smaller size, and is more convenient to operate than the existing chiseling head with a hard blade; (2) the flexible chiseling assembly can meet the chiseling needs of the inner wall of a drill hole with different sizes and specifications, has good adaptability, and reduces the cost of use; (3) the chain or wire rope in the flexible chiseling assembly can be replaced when damaged, avoiding the need for replacing the entire chiseling device, further reducing the cost of use; (4) the protective plate can block the debris splashed out during chiseling, avoiding harm to the workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a first schematic diagram of the overall structure of the present invention;
[0017] Figure 2 This is a second schematic diagram of the overall structure of the present invention;
[0018] Figure 3 It is a bottom view of the overall structure of the present invention;
[0019] Figure 4 A schematic diagram of a flexible haircutting assembly according to the present invention;
[0020] Figure 5 A schematic diagram of a protective plate of the present invention;
[0021] Figure 6 This is a schematic diagram of the fixed installation of the chiseling device and the impact drill of the present invention.
[0022] Description of reference numerals:
[0023] 1. Chiseling device body; 11. Fixing rod; 12. Mounting handle; 13. Fixing ring; 2. Flexible chiseling assembly; 21. Ring; 22. Chain; 3. Protective plate; 31. Sleeve; 32. Locking screw; 4. Impact drill. DETAILED DESCRIPTION
[0024] The present invention will be further described below in conjunction with the accompanying drawings:
[0025] like Figure 1 、 Figure 2 and Figure 6 As shown, the present invention provides a chiseling device for roughening the inner wall of a hole drilled in a concrete pipe, comprising a chiseling device body 1, on one side of which a fixing rod 11 can be fixedly mounted by welding, and the length of the fixing rod 11 is 10 to 20 cm. A flexible chiseling assembly 2 for chiseling is fixedly mounted on the fixing rod 11. A mounting handle 12 is fixedly mounted on the other side of the chiseling device body 1 by welding, and the mounting handle 12 is fixedly mounted on the output end of a power element. The power element can be an electric tool commonly used on the market, such as an electric hammer, an impact drill 4, etc. During the chiseling operation, the power element drives the flexible chiseling assembly 2 to rotate to generate centrifugal force to strike and chisel the inner wall of the hole drilled in the concrete pipe.
[0026] like Figure 1 and Figure 3 As shown, based on the above embodiment, the number of fixed rods 11 can be 1 to 4. If the number of fixed rods 11 is 1, the number of fixed rods 11 can also be 2, the number of fixed rods 11 can also be 3, and the number of fixed rods 11 can also be 4. Among them, when 1 fixed rod 11 is used, one fixed rod 11 is located at the center position of the side of the chiseling device body 1; when 2 fixed rods 11 are used, the two fixed rods 11 are distributed in a straight line on the side of the chiseling device body 1; when 3 fixed rods 11 are used, the three fixed rods 11 are distributed in a regular triangle on the side of the chiseling device body 1; when 4 fixed rods 11 are used, the four fixed rods 11 are distributed in a square on the side of the chiseling device body 1. In this embodiment, the number of fixed rods 11 is 3, and the three fixed rods 11 are distributed in a regular triangle on the side of the chiseling device body 1.
[0027] like Figure 1 and Figure 2 As shown, further, a fixing ring 13 is provided on the outer sides of the multiple fixing rods 11. The fixing ring 13 can be fixed to the outer sides of the multiple fixing rods 11 by welding. The fixing ring 13 enhances the stability of the multiple fixing rods 11. There are multiple fixing rings 13, which are evenly spaced on the fixing rods 11. The number of fixing rings 13 can be one, two, or three. In this embodiment, three fixing rings 13 are used.
[0028] like Figure 1 、 Figure 2 and Figure 4 As shown, based on the above embodiment, the flexible chiseling component 2 is a chain 22 or a steel wire rope. In this embodiment, the flexible chiseling component 2 is a chain 22, and the length of the chain 22 can be adjusted as needed. A collar 21 is fixedly mounted on the fixed rod 11. The collar 21 can be fixed to the fixed rod 11 by welding, and then the chain 22 or steel wire rope is fixedly mounted on the collar 21.
[0029] like Figure 1 and Figure 2 As shown, based on the above embodiment, the number of flexible chiseling assemblies 2 on a fixed rod 11 is 2 to 5, that is, the number of flexible chiseling assemblies 2 can be 2, the number of flexible chiseling assemblies 2 can also be 3, the number of flexible chiseling assemblies 2 can also be 4, and the number of flexible chiseling assemblies 2 can also be 5. The multiple flexible chiseling assemblies 2 are evenly spaced on the fixed rod 11. In this embodiment, the number of flexible chiseling assemblies 2 is 3.
[0030] like Figure 5 and Figure 6 As shown, based on the above embodiment, a protective plate 3 is mounted on the mounting handle 12, which can slide along the outer side of the mounting handle 12. A sleeve 31 is fixedly mounted on the side of the protective plate 3 away from the chiseling device body 1. The sleeve 31 is mounted on the outer side of the mounting handle 12. A locking screw 32 is threadedly mounted on one side of the sleeve 31. The locking screw 32 extends across the side of the sleeve 31 and secures the protective plate 3 to the mounting handle 12.
[0031] like Figures 1 to 6 As shown, the mounting handle 12 is inserted into the chuck of the impact drill 4, and then the chuck is locked and fixed, completing the fixed installation of the chiseling device and the impact drill 4. During operation, the chiseling device is rotated by the impact drill 4, and due to the centrifugal force, the chain 22 of the flexible chiseling assembly 2 is driven to strike and chisel the inner wall of the drilled hole in the concrete pipe.
[0032] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and intent of the present invention, all of which are intended to be within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims and their equivalents.
Claims
1. A chiseling device for roughening the inner wall of a hole in a concrete pipe, characterized by: The utility model comprises a chiseling device body, a fixing rod is fixedly provided on one side of the chiseling device body, a flexible chiseling assembly is fixedly provided on the fixing rod, a mounting handle is fixedly provided on the other side of the chiseling device body, and the mounting handle is fixedly installed on the output end of the power element. The power element drives the flexible chiseling assembly to rotate to generate centrifugal force to strike and chisel the inner wall of the drilled hole in the concrete pipe.
2. The device for roughening the inner wall of a hole in a concrete pipe according to claim 1, characterized in that: The number of the fixing rods is 1 to 4.
3. The device for roughening the inner wall of a hole in a concrete pipe according to claim 2, characterized in that: One of the fixing rods is located at the center position of the side of the hair cutting device body, or two of the fixing rods are distributed in a straight line on the side of the hair cutting device body, or three of the fixing rods are distributed in a regular triangle on the side of the hair cutting device body, or four of the fixing rods are distributed in a square on the side of the hair cutting device body.
4. A roughening device for the inner wall of a drilled hole in a concrete pipe according to claim 2 or 3, characterized in that: A plurality of fixing rings are provided on the outer fixing sleeves of the fixing rods. There are a plurality of fixing rings and they are evenly spaced on the fixing rods.
5. The device for roughening the inner wall of a hole in a concrete pipe according to claim 1, characterized in that: The flexible chiseling component is a chain or a steel wire rope.
6. The device for roughening the inner wall of a hole in a concrete pipe according to claim 5, characterized in that: A collar is fixedly mounted on the fixing rod, and the chain or the steel wire rope is fixedly sleeved with the collar.
7. The device for roughening the inner wall of a hole in a concrete pipe according to claim 1, characterized in that: The number of the flexible chiseling components on the fixing rod is 2 to 5.
8. The device for roughening the inner wall of a hole in a concrete pipe according to claim 7, characterized in that: A plurality of the flexible chiseling components are distributed on the fixing rod at equal intervals.
9. The device for roughening the inner wall of a hole in a concrete pipe according to claim 1, characterized in that: A protective disc is sleeved on the mounting handle, a sleeve is fixedly provided on a side of the protective disc away from the chiseling device body, and a locking screw is rotatably provided on one side of the sleeve.
10. The device for roughening the inner wall of a hole in a concrete pipe according to claim 1, characterized in that: The length of the fixing rod is 10 to 20 cm.