Underground mine air sampling device capable of being stably placed

By introducing support, buffer, and protection mechanisms into the underground mine air sampling device, the problems of unstable device placement and sample contamination in the underground environment were solved, achieving stable sampling and improving analytical accuracy.

CN223953656UActive Publication Date: 2026-02-27YUNNAN PROVINCIAL CENT FOR DISEASE CONTROL & PREVENTION
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Patent Information

Application Number
CN202520581359.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-27
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

When existing sampling devices are used in underground mining environments, they face complex geological conditions and narrow working spaces, resulting in unstable placement, susceptibility to external interference, sample contamination, and impact on analytical accuracy.

Method used

The design incorporates support, buffer, and protective mechanisms, including components such as cylinders, connecting frames, support plates, buffer springs, and protective shells, to ensure stable placement of the device underground and reduce external interference and equipment damage.

Benefits of technology

This technology enables the stable placement of air sampling devices in underground mines, reduces sample contamination, and improves the accuracy of analysis results and the lifespan of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of sampling devices, in particular to an underground mine air sampling device capable of being stably placed, which comprises a sampling device main body, and a supporting mechanism is arranged on the outer wall of the sampling device main body. According to the underground mine air sampling device capable of being stably placed, through the arrangement of the air cylinder and the connecting frame, after the sampling device is placed underground, the first mounting seat is driven by the air cylinder to control the supporting plate to be opened outwards, so that the sampling device main body is stably placed.
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Description

Technical Field

[0001] This utility model relates to the technical field of sampling devices, and in particular to an air sampling device for underground mines that can be stably placed. Background Technology

[0002] A sampling device is a tool used to collect samples from a specific environment. It helps researchers or technicians obtain substances that need to be analyzed for further experiments or research. These devices are typically designed with high precision to ensure the representativeness and integrity of the samples, thereby making subsequent analytical results more accurate and reliable. Therefore, a stable, placeable underground mine air sampling device is particularly needed to ensure the stable placement of the device during mine air extraction.

[0003] However, when existing sampling devices are used in underground mining environments, they often face complex geological conditions and narrow working spaces, resulting in problems such as unstable placement and susceptibility to external interference in practical applications. This makes it easy to cause sample contamination during air sampling, which in turn affects the accuracy of subsequent analysis. Utility Model Content

[0004] The purpose of this invention is to provide a stable-placement air sampling device for underground mines, in order to solve the problems mentioned in the background art. Existing sampling devices often face complex geological conditions and narrow working spaces when used in underground mine environments, resulting in unstable placement and susceptibility to external interference in practical applications. This leads to sample contamination during air sampling, which in turn affects the accuracy of subsequent analysis.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stable-placement underground mine air sampling device, comprising a sampling device body, wherein a support mechanism is provided on the outer wall of the sampling device body;

[0006] The support mechanism includes a fixing hole, a cylinder, a mounting base, a connecting frame, a support plate, and a first sliding groove. The bottom wall of the sampling device body has a fixing hole, and a cylinder is installed inside the fixing hole.

[0007] The cylinder output end is equipped with a mounting base, the outer wall of the mounting base is provided with a connecting frame, the inner wall of the connecting frame is provided with a support plate, and the outer wall of the support plate is provided with a first sliding groove.

[0008] Preferably, the main body of the sampling device includes a base and an air sampler, with the air sampler disposed on the base.

[0009] Preferably, the outer wall of the sampling device body is provided with a buffer mechanism, the buffer mechanism comprises a mounting seat, a mounting shell, a gasket, a connecting shell, a limiting column, a first spring, the outer wall of the base is provided with a mounting seat, the bottom wall of the mounting seat is provided with a mounting shell, the inside of the mounting shell is fixedly provided with a gasket, the inside of the mounting shell is provided with a connecting shell, the inside of the connecting shell is fixedly provided with a limiting column, and the outer wall of the limiting column is sleeved with a first spring.

[0010] Preferably, the sampling device body is provided with a protection mechanism, the protection mechanism comprises a protection shell, a limiting hole, a second sliding groove, a mounting hole, a clamping bolt, a connecting rod, a spring and a push block, the outer wall of the air sampler is sleeved with a protection shell, the outer wall of the protection shell is provided with a limiting hole, the base is provided with a second sliding groove, the inner wall of the second sliding groove is provided with a mounting hole, the inside of the mounting hole is provided with a clamping bolt, one end of the clamping bolt is fixedly provided with a connecting rod, the outer wall of the connecting rod is sleeved with a second spring, and one end of the connecting rod is connected with a push block in penetration.

[0011] Preferably, the outer wall of the support plate is provided with a telescopic pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: a stable underground mine air sampling device, through the setting of the air cylinder and the connecting frame, after the sampling device is placed underground, the air cylinder drives the first mounting seat to control the support plate to be opened outward, so that the sampling device body is stably placed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the overall appearance structure of the utility model;

[0014] Fig. 2 is a schematic diagram of the support mechanism structure of the utility model;

[0015] Fig. 3 is a schematic diagram of the cooperation structure of the second mounting seat and the protection shell of the utility model;

[0016] Fig. 4 is a schematic diagram of the cooperation structure of the mounting shell and the gasket of the utility model;

[0017] Fig. 5 is a schematic diagram of the cooperation structure of the clamping bolt and the connecting rod of the utility model.

[0018] In the figure: 1, sampling device main body; 11, base; 12, air sampler; 2, support mechanism; 21, fixing hole; 22, air cylinder; 23, first mounting seat; 24, connecting frame; 25, support plate; 26, first sliding groove; 27, telescopic pipe; 3, buffer mechanism; 31, second mounting seat; 32, mounting shell; 33, gasket; 34, connecting shell; 35, limiting column; 36, first spring; 4, protection mechanism; 41, protection shell; 42, limiting hole; 43, second sliding groove; 44, mounting hole; 45, clasp; 46, connecting rod; 47, spring; 48, push block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-5, the utility model provides a technical scheme: a stable placed underground mine air sampling device, including sampling device main body 1, the outer wall of sampling device main body 1 is provided with support mechanism 2;

[0021] Support mechanism 2 includes fixing hole 21, air cylinder 22, first mounting seat 23, connecting frame 24, support plate 25 and first sliding groove 26, the bottom wall of sampling device main body 1 is provided with fixing hole 21, the inside of fixing hole 21 is provided with air cylinder 22, the output end of air cylinder 22 is provided with first mounting seat 23, the outer wall of first mounting seat 23 is provided with connecting frame 24, the inner wall of connecting frame 24 is provided with support plate 25, the outer wall of support plate 25 is provided with first sliding groove 26, through the setting of fixing hole 21, air cylinder 22, first mounting seat 23, connecting frame 24, support plate 25 and first sliding groove 26, in use, support plate 25 is connected with base 11 through first sliding groove 26, after sampling device main body 1 is placed in the underground, air cylinder 22 drives first mounting seat 23 to retract, when first mounting seat 23 retracts, it drives support plate 25, and one side of support plate 25 is connected with connecting frame 24 on the outer wall of base 11, at this time, support plate 25 will be outwardly expanded with connecting frame 24 on the outer wall of first mounting seat 23 as the center, thereby making sampling device main body 1 can be stably placed in the underground.

[0022]

[0023] ​Further, the sampling device body 1 comprises a base 11 and an air sampler 12, the air sampler 12 is arranged on the base 11, and through the arrangement of the base 11 and the air sampler 12, the air sampler 12 is stably installed through the base 11 during use.

[0024] Further, the outer wall of the sampling device body 1 is provided with a buffer mechanism 3, the buffer mechanism 3 comprises a second mounting seat 31, a mounting shell 32, a gasket 33, a connecting shell 34, a limiting column 35, a first spring 36, the outer wall of the base 11 is provided with the second mounting seat 31, the bottom wall of the second mounting seat 31 is provided with the mounting shell 32, the inside of the mounting shell 32 is fixedly provided with the gasket 33, the inside of the mounting shell 32 is provided with the connecting shell 34, the inside of the connecting shell 34 is fixedly provided with the limiting column 35, and the outer wall of the limiting column 35 is sleeved with the first spring 36, through the arrangement of the second mounting seat 31, the mounting shell 32, the gasket 33, the connecting shell 34, the limiting column 35 and the first spring 36, when the sampling device body 1 is placed at the bottom of the well, the connecting shell 34 will first contact the ground, and then the sampling device body 1 will extrude the first spring 36 downward, thereby reducing the damage of the equipment caused by the sampling device body 1 falling too fast.

[0025] Further, the sampling device body 1 is provided with a protection mechanism 4, the protection mechanism 4 comprises a protection shell 41, a limiting hole 42, a second sliding groove 43, a mounting hole 44, a clamping bolt 45, a connecting rod 46, a second spring 47 and a pushing block 48, the outer wall of the air sampler 12 is sleeved with the protection shell 41, the outer wall of the protection shell 41 is provided with the limiting hole 42, the second sliding groove 43 is arranged on the base 11, the mounting hole 44 is arranged in the inner wall of the second sliding groove 43, the clamping bolt 45 is arranged in the mounting hole 44, one end of the clamping bolt 45 is fixedly provided with the connecting rod 46, the outer wall of the connecting rod 46 is sleeved with the second spring 47, and the one end of the connecting rod 46 is connected with the pushing block 48, through the arrangement of the protection shell 41, the limiting hole 42, the second sliding groove 43, the mounting hole 44, the clamping bolt 45, the connecting rod 46, the second spring 47 and the pushing block 48, during use, the protection shell 41 is inserted into the second sliding groove 43 on the base 11, at this time, the clamping bolt 45 is clamped into the limiting hole 42 on the protection shell 41 to be fixed, so that the sampling device body 1 will not be accidentally damaged during use.

[0026] Further, the outer wall of the supporting plate 25 is provided with a telescopic pipe 27, through the arrangement of the telescopic pipe 27,

[0027] In use, as the support frame 25 is expanded, the telescopic tube 27 is also pulled apart, thereby increasing the contact area of the support frame 25 with the ground.

[0028] Working principle: in use, the support plate 25 is connected with the base 11 through the first sliding groove 26 and the first mounting seat 23, after the sampling device main body 1 is placed underground, at this time the cylinder 22 drives the first mounting seat 23 to retract, when the first mounting seat 23 retracts, the support plate 25 is driven, and one side of the support plate 25 is connected with the connecting frame 24 on the outer wall of the base 11, at this time the support plate 25 is expanded outwardly with the connecting frame 24 on the outer wall of the first mounting seat 23 as the center, thereby the sampling device main body 1 can be stably placed underground, when the sampling device main body 1 is placed at the bottom of the well, at this time the connecting shell 34 is first contacted with the ground, and then the sampling device main body 1 extrudes the first spring 36 downward, thereby reducing the damage of the sampling device main body 1 caused by falling too fast, the protective shell 41 is inserted into the second sliding groove 43 on the base 11, at this time the clamping bolt 45 is clamped into the limiting hole 42 on the protective shell 41 for fixation, so that the sampling device main body 1 will not be damaged due to accidents during use.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stable positionable downhole mine air sampling device comprising a sampling device body (1) characterised in that: The outer wall of the sampling device body (1) is provided with a supporting mechanism (2); The supporting mechanism (2) comprises a fixing hole (21), an air cylinder (22), a first mounting seat (23), a connecting frame (24), a supporting plate (25) and a first sliding groove (26), the bottom wall of the sampling device body (1) is provided with the fixing hole (21), the inside of the fixing hole (21) is provided with the air cylinder (22), the output end of the air cylinder (22) is provided with the first mounting seat (23), the outer wall of the first mounting seat (23) is provided with the connecting frame (24), the inner wall of the connecting frame (24) is provided with the supporting plate (25), and the outer wall of the supporting plate (25) is provided with the first sliding groove (26).

2. A stable positionable downhole mine air sampling device according to claim 1, characterised in that: The sampling device body (1) comprises a base (11) and an air sampler (12), and the base (11) is provided with the air sampler (12).

3. A stable positionable downhole mine air sampling device according to claim 2, characterised in that: The outer wall of the sampling device body (1) is provided with a buffering mechanism (3), the buffering mechanism (3) comprises a second mounting seat (31), a mounting shell (32), a gasket (33), a connecting shell (34), a limiting column (35), a first spring (36), the outer wall of the base (11) is provided with the second mounting seat (31), the bottom wall of the second mounting seat (31) is provided with the mounting shell (32), the inside of the mounting shell (32) is fixedly provided with the gasket (33), the inside of the mounting shell (32) is provided with the connecting shell (34), the inside of the connecting shell (34) is fixedly provided with the limiting column (35), and the outer wall of the limiting column (35) is sleeved with the first spring (36).

4. A stable positionable downhole mine air sampling device according to claim 2, characterised in that: The sampling device body (1) is provided with a protection mechanism (4), the protection mechanism (4) comprises a protection shell (41), a limiting hole (42), a second sliding groove (43), a mounting hole (44), a clamping bolt (45), a connecting rod (46), a second spring (47) and a pushing block (48), the outer wall of the air sampler (12) is sleeved with the protection shell (41), the outer wall of the protection shell (41) is provided with the limiting hole (42), the base (11) is provided with the second sliding groove (43), the inner wall of the second sliding groove (43) is provided with the mounting hole (44), the inside of the mounting hole (44) is provided with the clamping bolt (45), one end of the clamping bolt (45) is fixedly provided with the connecting rod (46), the outer wall of the connecting rod (46) is sleeved with the second spring (47), and one end of the connecting rod (46) is connected with the pushing block (48). The outer wall of the supporting plate (25) is provided with an extension tube (27).

5. A stable positionable downhole mine air sampling device according to claim 1, characterized in that: ​