Underground rock stratum gold mine cave top sampling device
By designing the collection bucket and collection bag structure of the sampling device, the problems of sample splashing and contamination during top sampling were solved, achieving safe and efficient sample collection and reducing labor intensity and workload.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DULAN JINHUI MINE CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-01
AI Technical Summary
During the sampling process at the top of underground gold mine tunnels, samples are prone to splashing and scattering, posing a safety risk. Furthermore, samples may fall into the mud, causing pollution and increasing the workload of sampling.
A sampling device comprising a sampling unit and a collection unit is designed. The sampling unit has a pointed sampling rod, and the collection unit includes a collection hopper and a collection bag. The collection hopper can be fitted onto the sampling rod and can be unfolded into a bucket shape. The collection bag is connected to the collection port for collecting samples. The support is fixed by a threaded connection, and the flexible cloth makes the collection hopper detachable.
It effectively collects samples from the top of the tunnel, avoids sample splashing and mud contamination, reduces the burden on operators, improves sampling efficiency and safety, and has a simple structure that is easy to carry.
Smart Images

Figure CN224189569U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of mining technology, specifically relating to a sampling device for the top of an underground gold mine. Background Technology
[0002] Geological exploration plays a crucial role in gold mining. Mine exploration typically employs methods such as tunneling, drilling, and pre-mining engineering to sample and analyze rock strata. Sampling of gold strata requires multiple, multi-faceted sampling to achieve precise delineation. For example, during some tunneling operations, multiple samples need to be taken from the tunnel walls, floor, and roof. Underground tunnels often contain large amounts of mud. When using crowbars to sample from the roof, sample fragments scatter, posing safety risks and potentially contaminating the samples in the mud, increasing the workload. Utility Model Content
[0003] The purpose of this invention is to provide a sampling device for the top of underground rock strata gold mines, so as to solve the problem of inconvenient sample collection in the top sampling of mines.
[0004] This utility model is achieved through the following technical solution:
[0005] A sampling device for the top of an underground gold mine shaft, comprising:
[0006] The sampling unit includes a sampling rod with a tip;
[0007] The collection unit includes a collection hopper and a collection bag. The collection hopper can be fitted onto a sampling rod and the tip of the sampling rod can be inserted into the collection hopper. The collection hopper can be opened into a bucket shape and can be closed. A collection opening is provided on the collection hopper, and a collection bag is provided on the collection opening.
[0008] In some embodiments, the collection hopper includes a mounting base, a frame assembly, a flexible fabric, and a support member. The frame assembly includes a plurality of umbrella ribs arranged circumferentially along the mounting base and hinged to the mounting base at one end. The flexible fabric is circumferentially disposed on the frame assembly. The mounting base is used to mount the collection unit onto the sampling rod, allowing the tip of the sampling rod to pass through the mounting base and extend into the collection hopper. The support member is used to support the frame assembly, enabling the collection hopper to unfold into a bucket shape.
[0009] In some embodiments, the collection port is formed in the middle of the collection hopper, and the collection bag is circumferentially connected to the mounting base and the flexible cloth at the collection port position, so that the collection bag forms an annular cavity communicating with the collection port.
[0010] In some embodiments, the support member is a sleeve structure and is threadedly connected to the sampling rod, and one end of the support member is provided with an outwardly protruding flange along the circumferential direction.
[0011] In some embodiments, the support member includes a disassembly portion, the outer surface of which is knurled.
[0012] In some embodiments, the sampling rod is provided with a limiting boss, and the mounting seat can be fitted onto the sampling rod and abut against the limiting boss.
[0013] In some embodiments, the sampling unit includes an impact rod, the end of which is provided with an impact head, which is disposed inside the sampling rod and slidably connected to the sampling rod.
[0014] In some embodiments, a limiting member is provided on the sampling rod, the limiting member being used to connect the impact rod to the sampling rod.
[0015] In some embodiments, the limiting member includes a limiting screw, which is mounted on the sampling rod and extends into the sampling rod at one end, cooperating with the end face of the impact head to limit the impact head.
[0016] In some embodiments, the sampling rod is a multi-segment combined structure.
[0017] Compared with the prior art, this utility model has the following advantages and beneficial effects:
[0018] This invention features a collection bucket and a collection bag at the sampling end of the sampling rod. Samples falling from the top of the mine can be collected by the collection bucket and placed into the collection bag, effectively solving the problems of sample falling and causing injury, sample contamination from falling into the mud at the bottom of the mine, and difficulty in sample collection. The structure is simple and easy to use, making it well-suited for sampling operations at the top of mines. Furthermore, the collection bucket can be folded up when not in use, making the device easy to carry.
[0019] Through optimized design of the collection hopper and collection bag structure, the collection hopper has a simple structure, is easy to unfold and retract, and has good structural strength and load-bearing capacity. The collection port and collection bag are set in the middle of the collection hopper, and the collection bag is arranged around the sampling rod. The sample collected in the collection bag can be located close to the sampling rod, so that the center of the sample and the device can be located near the axis of the sampling rod during the sampling process, reducing the burden on the operator and reducing the labor intensity of the sampling operation.
[0020] The collection unit is designed to be detachable from the sampling rod, making the device easy to carry. The design of the connection structure between the collection bucket and the sampling rod also makes the disassembly of the collection bucket convenient. After sampling, the collection bucket can be easily removed from the sampling rod, making the device simpler to use.
[0021] The sampling unit is equipped with an impact rod and an impact head. By operating the impact rod, the impact head can strike the sampling rod, creating an impact on the tip of the sampling rod, thereby improving the sampling capacity and efficiency of the device. Attached Figure Description
[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the sampling device's collection unit in a retracted state according to an embodiment of the present invention.
[0024] Figure 2 This is a schematic diagram of the unfolded state of the sampling device collection unit in an embodiment of this utility model.
[0025] Figure 3 This is a schematic cross-sectional view of the sampling device collection unit in the unfolded state according to an embodiment of the present invention.
[0026] Figure 4 This is a partial cross-sectional view of the sampling device collection unit in the unfolded state according to an embodiment of the present invention.
[0027] Figure 5 This is a top view of the collection bucket of the collection unit in an embodiment of this utility model.
[0028] in:
[0029] 11. Sampling rod; 111. Limiting boss; 12. Impact rod; 13. Impact head; 14. Limiting screw;
[0030] 20. Collection hopper; 201. Mounting base; 202. Umbrella rib; 203. Flexible cloth; 21. Collection port; 22. Support component; 221. Flange; 222. Disassembly part.
[0031] 30. Collection bag. Detailed Implementation
[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0033] Sampling at the top of underground tunnels in underground rock formations is challenging due to factors such as rock hardness and groundwater. The presence of a large amount of mud in the tunnels makes sampling difficult, and the splattering of samples during sampling at the top further complicates the process.
[0034] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 In some embodiments of this utility model, the underground rock strata gold mine tunnel top sampling device includes:
[0035] The sampling unit includes a sampling rod 11 with a tip;
[0036] The collection unit includes a collection hopper 20 and a collection bag 30. The collection hopper 20 can be fitted onto the sampling rod 11 and the tip of the sampling rod can be inserted into the collection hopper 20. The collection hopper 20 can be opened into a bucket shape and can be closed. A collection port 21 is provided on the collection hopper, and a collection bag 30 is provided on the collection port.
[0037] A collection bucket and a collection bag are installed at the sampling end of the sampling rod. During sampling, the collection bucket is unfolded, and the operator holds the sampling rod and strikes the sampling position at the top of the cave with the tip. The sample falling from the top of the cave can be collected by the collection bucket and enter the collection bag. This can effectively solve the problems of sample falling and injuring people, sample contamination caused by samples falling into the mud at the bottom of the cave, and difficulty in sample collection.
[0038] In some embodiments, the collection hopper 20 includes a mounting base 201, a frame assembly, a flexible fabric 203, and a support member 22. The frame assembly includes a plurality of umbrella ribs 202, which are arranged circumferentially along the mounting base and hinged to the mounting base 201 at one end. The flexible fabric 203 is arranged circumferentially on the frame assembly. The mounting base 201 is used to mount the collection unit onto the sampling rod 11 and allows the tip of the sampling rod to pass through the mounting base and extend into the collection hopper. The support member 22 is used to support the frame assembly so that the collection hopper can be unfolded into a bucket shape.
[0039] The collecting bucket adopts an umbrella-like structure, with flexible fabric connected to each rib. The flexible fabric allows the collecting bucket to unfold into a bucket shape, and this structure also allows for easy folding. The support structure can be similar to that used to support the umbrella ribs, or other similar structures.
[0040] Mounting base 201 adopts a sleeve structure that mates with sampling rod 11. The mounting base can be configured to be threadedly connected to the sampling rod, thereby enabling the collection hopper to be fixedly installed on the sampling rod.
[0041] In some embodiments, a collection port 21 is formed in the middle of the collection hopper 20, and a collection bag 30 is circumferentially connected to the mounting base 201 and the flexible cloth 203 at the collection port position, so that the collection bag forms an annular cavity communicating with the collection port.
[0042] The collection port and collection bag are placed in the middle of the collection hopper, and the collection bag is arranged around the sampling rod. The sample collected in the collection bag can be located close to the sampling rod, so that the center of the sample and the device can be located near the axis of the sampling rod during the sampling process. This reduces the burden on the operator and reduces the labor intensity of the sampling operation.
[0043] Specifically, refer to Figure 5 By cutting the flexible fabric and placing it on the umbrella ribs, a collection opening 21 can be formed in the middle of the collection hopper.
[0044] In some embodiments, the support member 22 has a sleeve structure and is threadedly connected to the sampling rod, and one end of the support member 22 is provided with an outwardly protruding flange 221 along the circumferential direction. (Refer to...) Figure 4 When the support is installed onto the sampling rod, the flange at the end of the support engages with the umbrella ribs to support the umbrella ribs, thus opening the collection hopper. The support has a simple structure and is easy to install and disassemble, facilitating the opening and closing of the collection hopper.
[0045] The support member 22 includes a disassembly part 222, the outer surface of which is knurled. The disassembly part and the knurling on its surface facilitate the disassembly and installation of the support member.
[0046] In some embodiments, refer to Figure 4 The sampling rod 11 is provided with a limiting boss 111, and the mounting base 201 can be fitted onto the sampling rod 11 and abut against the limiting boss 111. The limiting boss on the sampling rod limits the mounting base, and cooperates with the support to fix the collection bucket onto the sampling rod, which facilitates the installation and removal of the collection bucket on the sampling rod.
[0047] In some embodiments, the sampling unit includes an impact rod 12, with an impact head 13 at its end. The impact head 13 is disposed within the sampling rod 11 and slidably connected to it. The sampling rod has a hollow structure, with the impact rod and impact head housed within it. During sampling, the operator holds the sampling rod with one hand and operates the impact rod with the other, allowing the impact head to strike the sampling rod and impact the sampling surface, thereby improving sampling efficiency.
[0048] In some embodiments, a limiting member is provided on the sampling rod 11 to connect the impact rod to the sampling rod, so as to prevent the impact rod from separating from the sampling rod and falling off the sampling rod during the sampling operation.
[0049] The limiting component can be one or more limiting screws 14. The limiting screws 14 are installed on the sampling rod and one end extends into the sampling rod. The insertion end of the limiting screw cooperates with the end face of the impact head to limit the impact head and connect the impact rod to the sampling rod.
[0050] The sampling rod 11 can adopt a multi-segment combination structure. For example, the part used to set the impact rod can be a hollow steel pipe, and the tip used for sampling can be a solid sampling head. The sampling head and the hollow steel pipe can be connected by threads or other easy-to-disassemble methods. Of course, the hollow steel pipe can also adopt a multi-segment structure, which can be disassembled into individual parts for easy carrying of the device.
[0051] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0052] Furthermore, the use of terms such as "horizontal" or "vertical" in the description of this utility model does not imply that the component is required to be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0053] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0054] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A sampling device for the top of an underground gold mine tunnel, characterized in that, include: The sampling unit includes a sampling rod with a tip; The collection unit includes a collection hopper and a collection bag. The collection hopper can be fitted onto a sampling rod and the tip of the sampling rod can be inserted into the collection hopper. The collection hopper can be opened into a bucket shape and can be closed. A collection opening is provided on the collection hopper, and a collection bag is provided on the collection opening.
2. The underground rock formation gold mine roof sampling device according to claim 1, characterized in that, The collection hopper includes a mounting base, a frame assembly, a flexible fabric, and a support member. The frame assembly includes multiple umbrella ribs arranged circumferentially along the mounting base and hinged to the mounting base at one end. The flexible fabric is arranged circumferentially on the frame assembly. The mounting base is used to install the collection unit onto the sampling rod, allowing the tip of the sampling rod to pass through the mounting base and extend into the collection hopper. The support member is used to support the frame assembly, enabling the collection hopper to unfold into a bucket shape.
3. The underground rock formation gold mine roof sampling device of claim 2, wherein, The collection port is formed in the middle of the collection hopper. The collection bag is connected to the mounting base and the flexible cloth in the circumferential direction at the collection port, so that the collection bag forms an annular cavity that communicates with the collection port.
4. The underground rock formation gold mine roof sampling device of claim 2, wherein, The support member has a sleeve structure and is threadedly connected to the sampling rod, and one end of the support member has an outwardly protruding flange along the circumferential direction.
5. The underground rock strata gold mine tunnel top sampling device according to claim 4, characterized in that, The support includes a disassembly part, and the outer surface of the disassembly part is knurled.
6. The underground rock strata gold mine tunnel top sampling device according to claim 4, characterized in that, The sampling rod is provided with a limiting boss, and the mounting seat can be fitted onto the sampling rod and abutted against the limiting boss.
7. The underground rock strata gold mine tunnel top sampling device according to any one of claims 1-6, characterized in that, The sampling unit includes an impact rod, and an impact head is provided at the end of the impact rod. The impact head is disposed inside the sampling rod and is slidably connected to the sampling rod.
8. The underground rock formation gold mine roof sampling device of claim 7, wherein, The sampling rod is provided with a limiting component, which is used to connect the impact rod to the sampling rod.
9. The underground rock strata gold mine tunnel top sampling device according to claim 8, characterized in that, The limiting component includes a limiting screw, which is installed on the sampling rod and has one end extending into the sampling rod to limit the impact head by cooperating with the end face of the impact head.
10. The underground rock formation gold mine roof sampling device of claim 1, wherein, The sampling rod has a multi-segment combined structure.