Geological surveying instrument for underground mine

Abstract

The application discloses a geological survey instrument for underground mine, which comprises a survey base, wherein the base is fixed overhead, two plug-in rods are symmetrically arranged in the base, each of the plug-in rods is slidably arranged in the base and is used for being plugged and fixed on the ground, a plug-in survey mechanism is installed in the base, the plug-in survey mechanism is deeply arranged in the geological stratum of the underground mine, and a steering survey assembly is further arranged in the base.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of geological survey, and particularly relates to a geological survey instrument for underground mines. BACKGROUND

[0002] The geological survey instrument is an instrument for measuring geological characteristics and parameters. They are widely used in the fields of geological exploration, mineral resources investigation, engineering geology, earthquake research, etc. By measuring and analyzing geological characteristics, they reveal information about underground geological structure, mineral resources distribution, earthquake activity, etc. Common geological survey instruments include seismographs, ground penetrating radars, remote sensing instruments, total stations, etc. In the prior art, when measuring the geology of underground mines, an experimental method is generally used. Representative rocks or soil samples are selected from the geology of underground mines. Horizontal and vertical forces are applied to generate shear stress through experiments. The shear force is measured. The process is relatively cumbersome and lacks real-time performance. Therefore, it is necessary to provide a geological survey instrument for underground mines to solve the problems in the background art. SUMMARY

[0003] To achieve the above-mentioned purpose, the application provides the following technical scheme: a geological survey instrument for underground mines, comprising: a measuring base; a base is fixed above the base, two plug-in rods are symmetrically arranged in the base, each plug-in rod is slidingly arranged in the base and is used for plug-in fixing on the ground; a plug-in measuring mechanism is installed in the base, the plug-in measuring mechanism penetrates into the stratum geology of the underground mine, and a steering measuring assembly is further arranged in the base.

[0004] Further, as a preferred, the plug-in measuring mechanism comprises: an outer fixing frame slidingly installed on the base, a telescopic adjusting frame is fixed on the base, a telescopic end of the telescopic adjusting frame is connected with the outer fixing frame, an outer ring seat is fixedly sleeved on the base, a plurality of measuring rods are circumferentially distributed on the outer ring seat, each measuring rod is vertically slidingly arranged on the outer ring seat, an upper end of the measuring rod is connected with the outer fixing frame, and a touch pressure monitoring device is arranged between the measuring rod and the outer fixing frame.

[0005] Further, as a preferred, a seismic source sensor is fixed in each measuring rod, and a vibrator is arranged in the middle of the measuring base.

[0006] Further, as a preferred, the touch pressure monitoring device comprises: a connecting shaft sleeve vertically fixed on the measuring rod, a supporting rod is slidingly arranged in the connecting shaft sleeve, one end of the supporting rod is connected with the outer fixing frame, a plurality of inner springs are arranged between the supporting rod and the connecting shaft sleeve, a plurality of touch pressure pieces are arranged in the connecting shaft sleeve, and a pressure sensor is arranged at a corresponding position below the supporting rod.

[0007] Further, as preferred, the touch pressure monitoring device can monitor and record the insertion pressure data in real time during the vertical insertion of the measuring rod.

[0008] Further, as preferred, the steering measurement assembly comprises positioning rods arranged corresponding to the measuring rods, hydraulic telescopic rods vertically fixed in the base, each of the positioning rods transversely connected to the telescopic ends of the hydraulic telescopic rods, sleeve pipes sleeved on the outer sliding of the measuring rods, one ends of the positioning rods rotatably connected to the sleeve pipes, guide blocks slidingly arranged on the outer fixed frame, one ends of the insertion measuring mechanisms rotatably connected to the guide blocks, support springs connected to one sides of the guide blocks, and rotating shafts rotatably arranged on the outer ring seats, the measuring rods slidingly penetrating the rotating shafts, and vibration rod assemblies embedded in the positioning rods.

[0009] Further, as preferred, the touch pressure monitoring device is synchronously arranged between the positioning rods and the hydraulic telescopic rods.

[0010] Further, as preferred, the vibration rod assembly comprises a rotating shaft rod rotatably arranged in the positioning rod, a micro motor arranged in the positioning rod, an eccentric shaft fixed on the rotating shaft rod and connected to the output end of the micro motor, a top disc fixed on one side of the positioning rod, and a toothed disc fixed on one end of the rotating shaft rod and abutting against the top disc.

[0011] Compared with the prior art, the present application has the following advantages:

[0012] 1. The present application has strong real-time performance, can radiate and receive electromagnetic waves in various geologies in the underground mine, and detect the distribution and properties of underground substances.

[0013] 2. The present application can also measure and analyze the physical properties of the rocks in the underground mine, especially the mechanical properties of the rocks such as compressive strength and shear strength. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the present application;

[0015] Figure 2 is a structural schematic view of the insertion measuring mechanism in the present application;

[0016] Figure 3 is a structural schematic view of the touch pressure monitoring device in the present application;

[0017] Figure 4 is a structural schematic view of the steering measurement assembly in the present application;

[0018] Figure 5 is a structural schematic view of the vibration rod assembly in the present application;

[0019] In the figure: 1, base; 11, measuring base; 12, plug-in rod; 2, plug-in measuring mechanism; 21, outer fixing frame; 22, telescopic adjusting frame; 23, outer ring seat; 24, measuring rod; 25, vibrator; 26, shock source sensor; 3, turning measuring assembly; 31, positioning rod; 32, hydraulic telescopic rod; 33, sleeve; 34, supporting spring; 35, guide block; 4, touch pressure monitoring device; 41, connecting shaft sleeve; 42, support rod; 43, inner spring; 44, touch pressure piece; 5, vibration rod assembly; 51, rotating shaft rod; 52, eccentric shaft; 53, top disc; 54, micro motor. DETAILED DESCRIPTION

[0020] Please refer to Figure 1 In the embodiment of the present application, a geological measuring instrument for underground mine includes a measuring base 11, a base 1 is fixed overhead, two plug-in rods 12 are symmetrically arranged in the base 1, each plug-in rod 12 is slidingly arranged in the base 1 and is used for plug-in fixing on the ground, a plug-in measuring mechanism 2 is installed in the base 1, the plug-in measuring mechanism 2 is deeply inserted into the geological stratum of underground mine, and a turning measuring assembly 3 is further arranged in the base 1, wherein, in use, the plug-in rod can position the device body on the ground of underground mine, then the plug-in measuring mechanism is used for plug-in pressure measurement, and then the turning measuring assembly is used for measuring the shear strength of underground mine.

[0021] In the embodiment, the plug-in measuring mechanism 2 includes an outer fixing frame 21 slidingly installed on the base 1, a telescopic adjusting frame 22 is fixed on the base 1, a telescopic end of the telescopic adjusting frame 22 is connected with the outer fixing frame 21, an outer ring seat 23 is fixed on the base 1 in a sleeving mode, a plurality of measuring rods 24 are distributed in the circumferential direction of the outer ring seat 23, each measuring rod 24 is vertically slidingly arranged on the outer ring seat 23, an upper end of the measuring rod 24 is connected with the outer fixing frame 21, and a touch pressure monitoring device 4 is arranged between the measuring rod 24 and the outer fixing frame 21.

[0022] As a preferred embodiment, a shock source sensor 26 is fixed in each measuring rod 24, and a vibrator 25 is arranged in the middle of the measuring base 11, in particular, the shock source sensor can receive the shock wave transmitted by the vibrator, so as to feedback the distribution of underground matter in the geological stratum.

[0023] In the embodiment, the touch pressure monitoring device 4 comprises a connecting shaft sleeve 41 vertically fixed on the measuring rod 24, a supporting rod 42 slidingly arranged in the connecting shaft sleeve 41, one end of the supporting rod 42 connected with the outer fixing frame 21, a plurality of inner springs 43 arranged between the supporting rod 42 and the connecting shaft sleeve 41, a plurality of touch pressure pieces 44 arranged in the connecting shaft sleeve 41, and a pressure sensor arranged at a corresponding position below the supporting rod 42, that is, when the supporting rod relatively vertically displaces, the touch pressure piece can contact the pressure sensor, and the contact pressure is transmitted in real time by the pressure sensor.

[0024] In the embodiment, the touch pressure monitoring device 4 can monitor and record the insertion pressure data in real time when the measuring rod 24 is vertically inserted.

[0025] In the embodiment, the turning measuring assembly 3 comprises a positioning rod 31 corresponding to the measuring rod 24, a hydraulic telescopic rod 32 vertically fixed in the base 1, each positioning rod 31 transversely connected to a telescopic end of the hydraulic telescopic rod 32, a sleeve 33 slidingly sleeved on the measuring rod 24, one end of the positioning rod 31 rotatably connected with the sleeve 33, a guide block 35 slidingly arranged on the outer fixing frame 21, one end of the insertion measuring mechanism 2 rotatably connected with the guide block 35, the guide block 35 connected with a supporting spring 34 on one side, a rotating shaft rotatably arranged on the outer ring seat 23, the measuring rod 24 slidingly penetrating the rotating shaft, the positioning rod 31 embedded with a vibrating rod assembly 5, and the hydraulic telescopic rod 32 and the positioning rod 31 fixed with an electric telescopic rod, wherein in the measurement of the shear strength of the underground mine geology, the plurality of electric telescopic rods can drive the measuring rod to rotate with the rotating shaft as the fulcrum under the synchronous telescopic adjustment, at this time, one end of the measuring rod penetrates into the geology and produces inclination, forming shear stress, so as to measure the relationship between strain and stress, and the shear strength parameter can be calculated (i.e. compression-shear test (firmness test): compression-shear test is applicable to the shear strength measurement method of soft soil. In this test, the soft soil sample is placed in the shear device, and vertical and horizontal stress is applied).

[0026] As a preferred embodiment, the touch pressure monitoring device 4 is synchronously arranged between the positioning rod 31 and the hydraulic telescopic rod 32, which facilitates real-time monitoring of the transverse stress.

[0027] In the embodiment, the vibration rod assembly 5 comprises a rotating shaft rod 51 rotatably arranged in the positioning rod 31, a micro motor 54 arranged in the positioning rod 31, an output end of the micro motor 54 fixed with the rotating shaft rod 51, an eccentric shaft 52 fixed on the rotating shaft rod 51, a top disc 53 fixed on one side of the positioning rod 31, and a toothed disc fixed on one end of the rotating shaft rod, the toothed disc abutting against the top disc 53. In particular, in order to avoid deformation and bending of the measuring rod in the shearing measurement of hard soil, the vibration rod assembly is used to drive the measuring rod to vibrate at high frequency, so as to facilitate the inclination and shearing of the geology and expand the application range.

[0028] Specifically, the staff inserts the device body into the ground through the insertion rod, at this time, the measuring rods are synchronously inserted into the underground geology of the mine by the telescopic adjusting frame, the touch pressure monitoring device monitors and feeds back the insertion pressure in real time, and after reaching the specified depth, the seismic source sensor can receive the vibration wave transmitted by the vibrator, so as to record the distribution of underground matter in the geology. The turning measurement assembly is arranged to drive the measuring rod to rotate around the rotating shaft through the synchronous telescopic action of the electric telescopic rods, so as to form a shearing stress, at this time, the touch pressure monitoring device monitors the transverse stress in real time, so as to realize the measurement and analysis of the physical properties of the underground rock of the mine.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A geological surveying instrument for underground mining, characterized in that: It includes: Measuring base (11); A base (1) is fixed above it. Two plug-in rods (12) are symmetrically arranged on the left and right sides inside the base (1). Each plug-in rod (12) is slidably arranged inside the base (1) for plugging and fixing to the ground. A plug-in measuring mechanism (2) is installed inside the base (1). The plug-in measuring mechanism (2) extends into the geological strata of the underground mine. A steering measuring component (3) is also provided inside the base (1). The insertion testing mechanism (2) includes an outer fixing frame (21), which is slidably mounted on the base (1). A telescopic adjustment frame (22) is fixed on the base (1). The telescopic end of the telescopic adjustment frame (22) is connected to the outer fixing frame (21). An outer ring seat (23) is fixedly fitted onto the base (1). Multiple testing rods (24) are distributed circumferentially on the outer ring seat (23). Each testing rod (24) is vertically slidably mounted on the outer ring seat (23). The upper end of the testing rod (24) is connected to the outer fixing frame (21). A pressure monitoring device (4) is provided between the testing rod (24) and the outer fixing frame (21). The steering measurement component (3) includes a positioning rod (31), which is correspondingly arranged with the measuring rod (24). A hydraulic telescopic rod (32) is vertically fixed inside the base (1). Each positioning rod (31) is laterally connected to the telescopic end of the hydraulic telescopic rod (32). A sleeve (33) is slidably sleeved on the measuring rod (24). One end of the positioning rod (31) is rotatably connected to the sleeve (33). A guide block (35) is slidably arranged on the outer fixed frame (21). One end of the insertion measuring mechanism (2) is rotatably connected to the guide block (35). A support spring (34) is connected to one side of the guide block (35). A rotating shaft is rotatably arranged on the outer ring seat (23). The measuring rod (24) is slidably connected to the rotating shaft. A vibrating rod assembly (5) is embedded in each positioning rod (31). An electric telescopic rod is fixed between the hydraulic telescopic rod (32) and the positioning rod (31).

2. The geological surveying instrument for underground mining as described in claim 1, characterized in that: Each of the measuring rods (24) is equipped with a vibration source sensor (26), and a vibrator (25) is provided in the middle of the measuring base (11).

3. The geological surveying instrument for underground mining according to claim 1, characterized in that: The pressure monitoring device (4) includes a connecting bushing (41), which is vertically fixed on the measuring rod (24). A support rod (42) is slidably arranged inside the connecting bushing (41). One end of the support rod (42) is connected to the outer fixing frame (21). Multiple inner springs (43) are arranged between the support rod (42) and the connecting bushing (41). Multiple pressure-sensitive elements (44) are arranged inside the connecting bushing (41). A pressure sensor is provided at a corresponding position below the support rod (42).

4. A geological surveying instrument for underground mining according to claim 3, characterized in that: The pressure monitoring device (4) can monitor and record the insertion pressure data in real time during the vertical insertion of the measuring rod (24).

5. A geological surveying instrument for underground mining according to claim 1, characterized in that: A pressure monitoring device (4) is synchronously installed between the positioning rod (31) and the hydraulic telescopic rod (32).

6. A geological surveying instrument for underground mining according to claim 1, characterized in that: The vibrating rod assembly (5) includes a rotating shaft (51), which is rotatably disposed inside the positioning rod (31). A micro motor (54) is disposed inside the positioning rod (31). The output end of the micro motor (54) is fixed to the rotating shaft (51). An eccentric shaft (52) is fixed on the rotating shaft (51). A top plate (53) is fixed on one side of the positioning rod (31). A toothed disc is fixed at one end of the rotating shaft. The toothed disc abuts against the top plate (53).

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