Core drilling tool of core drilling machine

Abstract

The utility model discloses a coring drilling tool of a coring machine, and belongs to the technical field of coring machines. The coring machine comprises a coring machine support, a sampling assembly and a fixing assembly, the sampling assembly comprises a sampling barrel, the top of the sampling barrel is fixedly connected with a connecting rod, the connecting rod is provided with a water inlet hole, the fixing assembly comprises a hydraulic push rod, the hydraulic push rod is installed on the bottom face of the inner wall of the sampling barrel, and the moving end of the hydraulic push rod is fixedly connected with a clamping base. Four notches are formed in the clamping base, clamping blocks are installed in the notches, one side of the inner wall of each notch is fixedly connected with one end of a spring, the other end of each spring is fixedly connected with the corresponding clamping block, each clamping block is an L-shaped block, and an inclined face is arranged on one side of each clamping block. The coring device is provided with the fixing assembly, the core sample in the drilling hole is clamped through the fixing assembly, the core sample is loosened after the core sample is moved out of the drilling hole, and the problem that the core sample is possibly clamped in the drilling hole or a coring barrel is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coring machine technical field, concretely to a coring drill of coring machine. BACKGROUND

[0002] The coring machine is mainly used for carrying out compression and bending tests on cement concrete, asphalt concrete and limestone foundation of highways, airports, ports, wharfs and dams, and the maximum core sample can reach 700mm. The coring machine is multipurpose (optionally selected), can drill and core, cut and grind the core sample, greatly improves the work efficiency and reduces the equipment investment, and is an ideal engineering detection equipment and a device for carrying out compression and bending tests on cement concrete, asphalt concrete and limestone foundation of highways, airports, ports and dams. When the coring machine is used for coring, some samples are difficult to be taken out because they are stuck in the coring barrel or remain in the drilling hole. CONTENT

[0003] The utility model discloses a coring drill of coring machine, which is provided with a fixing assembly, can clamp the core sample in the drilling hole through the fixing assembly, and release the core sample after moving out of the drilling hole, thereby solving the problem that the core sample may be stuck in the drilling hole or the coring barrel.

[0004] The utility model discloses a coring drill of coring machine, which is provided with a fixing assembly, can clamp the core sample in the drilling hole through the fixing assembly, and release the core sample after moving out of the drilling hole, thereby solving the problem that the core sample may be stuck in the drilling hole or the coring barrel.

[0005] The utility model discloses a coring drill of coring machine, which is provided with a fixing assembly, can clamp the core sample in the drilling hole through the fixing assembly, and release the core sample after moving out of the drilling hole, thereby solving the problem that the core sample may be stuck in the drilling hole or the coring barrel.

[0006] The fixing assembly comprises a hydraulic push rod, the hydraulic push rod is installed on the bottom surface of the inner wall of the sampling barrel, a clamping seat is fixedly connected to the moving end of the hydraulic push rod, four notches are formed in the clamping seat, a clamping block is installed in the notch, one side of the inner wall of the notch is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the clamping block, the clamping block is an L-shaped block, and an inclined surface is arranged on one side of the clamping block.

[0007] Further, the sampling assembly is installed on the coring machine support, threads are arranged on the connecting rod, and the connecting rod is matched with the threaded holes on the coring machine support.

[0008] Further, grooves are formed in the two sides of the inner wall of the notch, and protrusions are arranged on the two sides of the clamping block and are slidably connected in the grooves.

[0009] Further, a ring of teeth is installed at the bottom of the sampling barrel.

[0010] Further, a water outlet hole is formed in the sampling barrel and is communicated with the water inlet hole.

[0011] The utility model has the advantages that:

[0012] The utility model discloses a sampling assembly, through connecting rod will install the whole coring drill rig on the coring machine, when sampling, the core sample can easily take the extension into the sampling barrel, through the extension or contraction of the hydraulic push rod in the sampling barrel, the clamping block is clamped between the core sample and the sampling barrel or is separated from the core sample and the sampling barrel, and the fixed support clamps the core sample from the drilling hole, and the core sample is conveniently taken out.

[0013] Of course, implementing any product of the utility model does not necessarily need to simultaneously achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of coring drill rig;

[0015] Figure 2 It is the structural schematic diagram of sampling assembly;

[0016] Figure 3 It is the cross section structural schematic diagram of coring drill rig;

[0017] Figure 4 It is the structural schematic diagram of clamping block.

[0018] In the drawing: 1, coring machine support;2, sampling assembly;3, fixed assembly;201, sampling barrel;202, connecting rod;203, water inlet hole;204, tooth;205, water outlet hole;301, hydraulic push rod;302, clamping seat;303, notch;304, clamping block;305, spring;306, inclined plane;307, sliding slot;308, protruding block. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0020] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a coring drill of coring machine, including sampling subassembly 2, sampling subassembly 2 includes sampling bucket 201, sampling bucket 201 top fixedly connected with connecting rod 202, is set with water inlet hole 203 on connecting rod 202, and sampling bucket 201 bottom is installed with a circle of tooth 204, and sampling subassembly 2 is installed on coring machine support 1, and connecting rod 202 is provided with screw threads, and connecting rod 202 is cooperated with the screw hole on coring machine support 1.

[0022] In the embodiment, the whole coring drill is installed on the coring machine through the connecting rod 202, the sampling bucket 201 at the bottom of the tooth 204 is slightly wider than the sampling bucket 201, when the sampling bucket 201 drills into the ground, the radius of the core sample entering the sampling bucket 201 is smaller than the radius of the sampling bucket 201, so that the core sample can be easily inserted into or taken out of the sampling bucket 201.

[0023] The fixing assembly 3 includes a hydraulic push rod 301, the hydraulic push rod 301 is installed on the bottom surface of the inner wall of the sampling bucket 201, a clamping seat 302 is fixedly connected to the moving end of the hydraulic push rod 301, four notches 303 are formed in the clamping seat 302, a clamping block 304 is installed in the notch 303, one side of the inner wall of the notch 303 is fixedly connected with one end of a spring 305, the other end of the spring 305 is fixedly connected with the clamping block 304, the clamping block 304 is an "L" shaped block, an inclined surface 306 is arranged on one side of the clamping block 304, two sliding grooves 307 are formed in the inner wall of the notch 303, and protruding blocks 308 are arranged on the two sides of the clamping block 304 and are slidably connected in the sliding grooves 307.

[0024] In the embodiment, when drilling is completed, the hydraulic push rod 301 is elongated, the clamping seat 302 installed on the hydraulic push rod 301 moves downward, the inclined surface 306 on the clamping block 304 abuts against the edge of the core sample, when the hydraulic push rod 301 continues to elongate, the clamping block 304 moves in the notch 303 under the pressure, the back of the clamping block 304 abuts against the inner wall of the notch 303, and the lower core sample is fixed on the clamping seat 302, when the hydraulic push rod 301 is retracted, the fixing assembly 3 moves upward, the fixation of the core sample is released, and the core sample is conveniently taken out of the drilling hole.

[0025] A water outlet hole 205 is formed in the sampling bucket 201, and the water outlet hole 205 is communicated with the water inlet hole 203.

[0026] In the embodiment, during drilling, a large amount of heat is generated by the friction between the coring drill and the rock stratum, the whole coring drill can be well cooled through the water inlet hole 203 and the water outlet hole 205, and the coring drill is prevented from being damaged.

[0027] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A coring bit for a coring machine, characterized by: Including sampling assembly (2), sampling assembly (2) includes sampling bucket (201), the top of sampling bucket (201) is fixedly connected with connecting rod (202), the connecting rod (202) is provided with water inlet hole (203); It also includes fixing assembly (3), the fixing assembly (3) includes hydraulic push rod (301), the hydraulic push rod (301) is installed on the bottom surface of the inner wall of sampling bucket (201), the moving end of the hydraulic push rod (301) is fixedly connected with clamping seat (302), the clamping seat (302) is provided with four notches (303), the notches (303) are installed with clamping block (304), one side of the inner wall of the notches (303) is fixedly connected with spring (305) one end, the other end of spring (305) is fixedly connected with clamping block (304), the clamping block (304) is "L" shaped block, one side of the clamping block (304) is provided with inclined plane (306).

2. A coring bit for a coring machine according to claim 1, wherein, The sampling assembly (2) is installed on the core drill support (1), the connecting rod (202) is provided with screw threads, and the connecting rod (202) is matched with the threaded hole on the core drill support (1).

3. A coring bit for a coring machine according to claim 1, wherein, The inner wall of the notches (303) is provided with sliding groove (307) on both sides, the clamping block (304) is provided with protruding block (308) on both sides, and the protruding block (308) is slidably connected in the sliding groove (307).

4. A coring bit for a coring machine according to claim 1, wherein, The bottom of the sampling bucket (201) is provided with a ring of teeth (204).

5. A coring bit for a coring machine according to claim 1, wherein, The sampling bucket (201) is provided with water outlet hole (205) in, and the water outlet hole (205) is communicated with the water inlet hole (203).

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