Deep hole concrete core sample taking-out device
By designing a deep-hole concrete core sample extraction device, the stainless steel core cylinder and joint rod with adjustable diameter and length are solved, and the problem of difficult to remove the core sample is achieved with a low-cost and efficient core sample extraction effect.
Patent Information
- Application Number
- CN202422068066.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing concrete core extraction device is difficult to remove after the deep hole core sample is broken, and the device is complex and costly.
A deep-hole concrete core sample extraction device is designed, including a connecting rod and a core cylinder. The core cylinder is a circular hollow stainless steel cylinder with a threaded interface, and the cylinder side is a triangular type, and the connecting rod is a threaded stainless steel tube for easy connection and adjustable diameter and length.
It realizes simple and low-cost removal of the complete core sample, the device is easy to install and disassemble and is easy to carry, solving the problem that the core sample is difficult to remove in the hole due to breakage.
Smart Images

Figure CN223122550U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of concrete coring, and specifically relates to a device for extracting deep-hole concrete core samples. Background Art
[0002] During the concrete coring process, it is found that if the drilling length is too long, the core sample is very likely to break in the drill hole. The existing coring devices on the market are too complex, costly, and difficult to process. Summary of the Utility Model
[0003] Therefore, in order to solve the above deficiencies, the present utility model provides a device for extracting deep-hole concrete core samples herein. The problem to be solved by this patent is that the core sample breaks in the hole during the coring process, and it is difficult to take out the core sample that breaks in the hole.
[0004] The present utility model is implemented as follows: a device for extracting deep-hole concrete core samples is constructed, which includes two parts: a connecting rod and a coring barrel.
[0005] The coring barrel is a circular hollow cylinder, and the upper end of the cylinder is closed with a threaded interface; a triangle is cut out on both symmetric sides of the cylinder, and a cutting area is formed within a 3-cm range on the upper two sides of the triangle.
[0006] Both ends of the connecting rod have threads for easy docking with the threaded interface.
[0007] According to the device for extracting deep-hole concrete core samples of the present utility model, the coring barrel is made of a circular hollow stainless steel cylinder with a thickness of 2.5 mm and a length of 30 cm. During implementation, its diameter can be determined according to the size of the core sample.
[0008] According to the device for extracting deep-hole concrete core samples of the present utility model, the cut triangle is located 10 cm from the lower end of the stainless steel cylinder.
[0009] According to the device for extracting deep-hole concrete core samples of the present utility model, the connecting rod is made of a stainless steel hollow pipe with a diameter of 3.5 cm and a length of 50 cm, and both ends have threads for easy docking.
[0010] The present utility model has the following advantages: The present utility model provides a device for extracting deep-hole concrete core samples, which is used to solve the problem that the core sample breaks in the hole during the coring process and is difficult to take out. 1. The device is made of a circular hollow stainless steel cylinder with a thickness of 2.5 mm and a length of 30 cm, and its diameter can be determined according to the size of the core sample. The upper end of the cylinder is closed with a threaded interface. 2. At a position 10 cm from the lower end of the stainless steel cylinder, a triangle is cut out on both symmetric sides of the cylinder, and the area within 3 cm from the left and right sides of the triangle is cut off. 3. The connecting rod is made of a stainless steel hollow pipe with a diameter of 3.5 cm and a length of 50 cm, and both ends have threads for easy docking. This device is simple to manufacture, low in cost, convenient for installation and disassembly, easy to carry, and can relatively easily take out the complete core sample in the drill hole. Brief Description of the Drawings
[0011] Figures 1 - 2 It is a schematic diagram of the core barrel in this application;
[0012] Figure 3 It is a schematic diagram of the connecting rod in this application.
[0013] Wherein: connecting rod 1, core barrel 2, threaded interface 21, triangle 22, cutting area 23. Detailed Description of the Invention
[0014] The following will combine the attached Figures 1 - 3 The present utility model will be described in detail. The technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0015] The present utility model provides a device for taking out deep-hole concrete core samples herein. As Figures 1 - 3 shown, it can be implemented in the following manner; it includes two parts: a connecting rod 1 and a core barrel 2;
[0016] The core barrel 2 is a circular hollow cylinder, and the upper end of the cylinder is closed with a threaded interface 21; a triangle 22 is cut out on both symmetric sides of the cylinder, and a cutting area 23 is formed within a range of 3 cm on the upper two sides of the triangle 22.
[0017] Both ends of the connecting rod 1 are threaded for easy docking with the threaded interface 21.
[0018] When this application is implemented, the core barrel 2 is a circular hollow stainless steel cylinder with a thickness of 2.5 mm and a length of 30 cm. Its diameter can be determined according to the size of the core sample during implementation;
[0019] When this application is implemented, the cut triangle is 10 cm away from the lower end of the stainless steel cylinder.
[0020] When this application is implemented, the connecting rod 1 is a stainless steel hollow pipe with a diameter of 3.5 cm and a length of 50 cm, and both ends are threaded for easy docking.
[0021] The advantages and implementation of this patent will be described in detail below;
[0022] 1. The device material is a circular hollow stainless steel cylinder with a thickness of 2.5 mm and a length of 30 cm. The diameter can be determined according to the size of the core sample, and the upper end of the cylinder is closed with a threaded interface;
[0023] 2. At a position 10 cm from the lower opening of the stainless steel cylinder, cut out a triangle on two symmetric sides of the cylinder, and cut off the area within 3 cm from the left and right sides of the triangle.
[0024] 3. The connecting rod is made of a stainless steel hollow pipe with a diameter of 3.5 cm and a length of 50 cm, and both ends are threaded for easy connection.
[0025] This device is simple to manufacture, low in cost, convenient for installation and disassembly, easy to carry, and can easily take out the complete core sample from the drill hole.
[0026] 4. When operating this device, connect the connecting rods, each 50 cm long, to each other, and then connect the head of the rod to the core barrel. The length of the connected connecting rods can be determined according to the depth of the core sample in the core drilling hole. After the connecting rod is connected to the core barrel, manually place it into the core drilling hole to sleeve the core sample and take out the core sample.
[0027] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for extracting deep-hole concrete core samples, characterized in that; It includes two parts: a connecting rod (1) and a core barrel (2). The core barrel (2) is a circular hollow cylinder, and the upper end of the cylinder is closed with a threaded interface (21); on both symmetrical sides of the cylinder, a triangle (22) is cut out, and a cutting area (23) is formed within a range of 3 cm on the upper two sides of the triangle (22). Both ends of the connecting rod (1) are threaded for easy docking with the threaded interface (21).
2. The deep-hole concrete core sampling device according to claim 1, wherein; The core barrel (2) is a circular hollow stainless steel cylinder with a thickness of 2.5 mm and a length of 30 cm. During implementation, its diameter can be determined according to the size of the core sample.
3. The deep-hole concrete core sampling device according to claim 1, characterized in that; The cut triangle is located 10 cm from the lower opening of the stainless steel cylinder.
4. The deep-hole concrete core sampling device according to claim 1, characterized in that; The connecting rod (1) is a stainless steel hollow pipe with a diameter of 3.5 cm and a length of 50 cm. Both ends are threaded for easy docking.