A mining hole directional measurement device

Abstract

The present invention proposes a mining hole directional measurement device, including a fixed frame, an angle encoder, a rotating unit and a power device; wherein the angle encoder is fixedly mounted on the top surface of the fixed frame; the rotating unit includes a rotating frame, which is arranged on the bottom surface, and a gyro sensor and an acceleration sensor are arranged in the rotating frame, and the rotating frame is rotatably connected to the angle encoder; the power device is fixedly arranged on the fixed frame below the rotating unit, and is used to drive the rotating unit to rotate in the vertical direction. The present invention can obtain the inclination angle of the borehole through the acceleration sensor, drive the rotating frame to rotate through the power device, and drive the gyro sensor to rotate, measure and record the values ​​at certain specific angles, and accurately obtain the azimuth angle data of the rotation starting point position through the angle encoder. The measuring device of the present invention has a simple structure and a light volume, and can quickly realize the measurement of the azimuth angle and inclination angle of the borehole.

Description

Technical Field

[0001] The invention relates to the technical field of exploration drilling measurement and positioning, and in particular to a mining hole directional measurement device. Background Art

[0002] In the process of mine exploration and mining, drilling operations are an indispensable means. Exploration drilling can determine the reserve status of the ore body and whether it is worth mining. During mining, drilling can clarify the distribution of mineral deposits, rocks, and aquifers, providing a basis for geological analysis and safe production of mines. The azimuth and inclination angles of the borehole are important factors in drilling positioning. At present, most of the drilling angle positioning still uses on-site hanging lines and angle rulers to adjust the azimuth and inclination angles. During the operation, the angle alignment and degree reading are greatly affected by human factors, and the angle accuracy is difficult to guarantee. The real-time working condition record of the drilling is not accurate and complete. At the same time, the existing measuring device is bulky and inconvenient to operate. Therefore, a simple, practical, accurate, safe, and fully functional mining hole directional measurement and display device is of great significance to the efficiency and accuracy of drilling positioning. Summary of the invention

[0003] In view of this, the present invention proposes a mining hole directional measurement device, which is small in size, easy to operate, and can quickly and accurately measure the azimuth and inclination angle of the borehole.

[0004] The technical solution of the present invention is implemented as follows: The present invention provides a mining hole directional measurement device, including a fixed frame, an angle encoder, a rotating unit and a power device; wherein,

[0005] Angle encoder, fixedly mounted on the top surface of the fixed frame;

[0006] The rotating unit comprises a rotating frame, which is arranged on the bottom surface, in which a gyro sensor and an acceleration sensor are arranged, and the rotating frame is rotationally connected to an angle encoder;

[0007] The power device is fixedly arranged on a fixing frame below the rotating unit and is used for driving the rotating unit to rotate in a vertical direction.

[0008] On the basis of the above technical solution, preferably, the rotating frame includes a first bracket, a second bracket and a support plate which are connected in sequence from top to bottom, the gyro sensor is arranged between the first bracket and the second bracket, the acceleration sensor is arranged between the second bracket and the support plate, and a linkage rod is arranged on the top of the first bracket, the linkage rod passes through the top surface of the fixed frame and is connected to the angle encoder, and the support plate is connected to the power device.

[0009] On the basis of the above technical solution, preferably, a mounting frame is further provided at the bottom of the fixing frame, and the power device comprises a stepping motor, which is fixedly installed in the mounting frame, and the output shaft of the stepping motor passes through the top surface of the mounting frame and is fixedly connected to the support plate.

[0010] On the basis of the above technical solution, preferably, a slip ring is sleeved on the output shaft between the fixing frame and the mounting frame, the slip ring includes a stator and a rotor, the stator is fixedly connected to the top surface of the mounting frame, the rotor is fixedly arranged at the bottom of the support plate, and an electrically conductive metal spring is arranged between the rotor and the stator.

[0011] Further, preferably, the power device also includes a reduction gear box connected to the stepper motor, a reducer and a worm gear are arranged in the reduction gear box, the reducer is respectively connected to the stepper motor and the worm gear, and the worm gear is connected to the support plate through an output shaft.

[0012] Further, preferably, the gyro sensor is a MEMS gyroscope.

[0013] Furthermore, preferably, it also includes a processing terminal arranged on the mounting frame, and the processing terminal is electrically connected to the angle encoder, the gyro sensor and the acceleration sensor respectively.

[0014] The present invention has the following beneficial effects compared with the prior art:

[0015] (1) The mining hole directional measurement device disclosed in the present invention is provided with a gyro sensor and an acceleration sensor on a rotating frame. The inclination angle of the borehole can be obtained by the acceleration sensor. The rotating frame is driven to rotate by a power device, and the gyro sensor is driven to rotate. The values ​​are measured and recorded at certain specific angles. The azimuth angle data of the rotation starting point position can be accurately obtained by an angle encoder. Compared with the prior art, the measurement device of the present invention has a simple structure and a light volume, and can quickly realize the measurement of the azimuth angle and inclination angle of the borehole.

[0016] (2) By providing a slip ring between the power device and the rotating unit, the gyro sensor and the acceleration sensor can be electrically connected during the rotation process, thereby avoiding the problem of the gyro sensor and the acceleration sensor being entangled due to the connecting wires during the rotation.

[0017] (3) By using MEMS gyro sensors, the entire measuring device is small in size and low in power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the mining hole directional measurement device disclosed in the present invention;

[0020] Figure 2 It is a schematic diagram of the planar structure of the mining hole directional measurement device disclosed in the present invention. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1 As shown, combined Figure 2 The embodiment of the present invention discloses a mining hole orientation measurement device, including a fixing frame 1, an angle encoder 2, a rotating unit 3 and a power device 4.

[0023] Wherein, the angle encoder 2 is fixedly mounted on the top surface of the fixing frame 1;

[0024] The rotating unit 3 includes a rotating frame 31, which is arranged on the bottom surface. A gyro sensor 32 and an acceleration sensor 33 are arranged in the rotating frame 31. The rotating frame 31 is rotatably connected to the angle encoder 2.

[0025] The power device 4 is fixedly disposed on the fixing frame 1 below the rotating unit 3 and is used for driving the rotating unit 3 to rotate in the vertical direction.

[0026] By adopting the above technical solution, a gyro sensor 32 and an acceleration sensor 33 are arranged on the rotating frame 31, and the inclination angle of the borehole can be obtained through the acceleration sensor 33. The rotating frame 31 is driven to rotate by the power device 4, and the gyro sensor 32 is driven to rotate. The values ​​are measured and recorded at certain specific angles, and the azimuth angle data of the rotation starting point position can be accurately obtained through the angle encoder 2. Compared with the prior art, the measuring device of the present invention has a simple structure and a light volume, and can quickly realize the measurement of the azimuth angle and inclination angle of the borehole.

[0027] As some embodiments, the rotating frame 31 includes a first bracket 311, a second bracket 312 and a support plate 313 which are connected in sequence from top to bottom. The gyro sensor 32 is arranged between the first bracket 311 and the second bracket 312, and the acceleration sensor 33 is arranged between the second bracket 312 and the support plate 313. A linkage rod 3111 is arranged on the top of the first bracket 311, and the linkage rod 3111 passes through the top surface of the fixed frame 1 and is connected to the angle encoder 2. The support plate 313 is connected to the power device 4. By adopting the above technical solution, by setting the first bracket 311, the second bracket 312 and the support plate 313, it is convenient to install and fix the gyro sensor 32 and the acceleration sensor 33 respectively. At the same time, when the fixed frame 1 rotates, the angle encoder 2 is triggered by the linkage rod 3111 on its top, so as to obtain the rotation angle and then the azimuth angle.

[0028] As some embodiments, a mounting frame 5 is further provided at the bottom of the fixing frame 1, and the power device 4 includes a stepper motor 41, which is fixedly mounted at the bottom of the mounting frame 5, and the output shaft of the stepper motor 41 passes through the top surface of the mounting frame 5 and is fixedly connected to the support plate 313. Thus, the mounting frame 5, the fixing frame 1 and the power device 4 form an integral structure, which facilitates the rigid connection of the entire measuring device with the instrument host body through the mounting frame 5, while keeping the entire structure compact.

[0029] Because the gyro sensor 32 and the acceleration sensor 33 are installed in the rotating frame 31, they need to be driven by the power device 4 to rotate during the actual working process, and the gyro sensor 32 and the acceleration sensor 33 need to be electrically connected to achieve power supply and data connectivity, while traditional measuring devices are usually connected to the gyro sensor 32 and the acceleration sensor 33 by wires. In this way, the gyro sensor 32 and the acceleration sensor 33 will have the problem of wire entanglement during the rotation process. Therefore, the gyro sensor 32 and the acceleration sensor 33 can only rotate a limited angle and cannot rotate 360° infinitely.

[0030] Therefore, the technical solution adopted by the present invention in response to the above problem is: a slip ring 6 is sleeved on the output shaft between the fixed frame 1 and the mounting frame 5, and the slip ring 6 includes a stator 61 and a rotor 62. The stator 61 is fixedly connected to the top surface of the mounting frame 5, and the rotor 62 is fixedly arranged at the bottom of the support disk 313. An electrically conductive metal spring 63 is arranged between the rotor 62 and the stator 61. In this way, when the power device 4 drives the fixed frame 1 to rotate, the rotor 62 rotates with the support disk 313, and the gyro sensor 32 and the acceleration sensor 33 are electrically connected to the rotor 62 respectively. Since the stator 61 remains stationary on the fixed frame 1, the fixed frame 1 drives the rotor 62 to rotate relative to the stator 61 while rotating, and the gyro sensor 32 and the acceleration sensor 33 are electrically connected to the outside through the metal spring 63 between the rotor 62 and the stator 61.

[0031] In this embodiment, the power device 4 also includes a reduction box connected to the stepper motor 41, and a reducer 42 and a worm gear 43 are arranged in the reduction box. The reducer 42 is respectively connected to the stepper motor 41 and the worm gear 43, and the worm gear 43 is connected to the support plate through an output shaft. By adopting the above technical solution, the output speed of the motor can be reduced by connecting the stepper motor 41 with the reducer 42, and the horizontal rotation can be converted into vertical rotation through the worm gear 43, so that the power device 4 can make full use of the space in the mounting frame 5 and reduce the volume.

[0032] In this embodiment, the gyro sensor 32 adopts a MEMS gyro with small size, light weight, low cost and low power consumption, so that the entire measuring device is light in size and consumes less energy.

[0033] In this embodiment, a processing terminal 7 is also included, which is arranged on the mounting frame 5. The processing terminal 7 is electrically connected to the angle encoder 2, the gyro sensor 32 and the acceleration sensor 33. The azimuth and the inclination angle measured by the measuring device can be fed back through the processing terminal 7. The processing terminal 7 has a calculation unit and a human-computer interaction unit, and the speed of the motor can be adjusted through the human-computer interaction unit. The calculation unit is used to process the measurement data.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mining hole directional measurement device, characterized in that: It comprises a fixed frame (1), an angle encoder (2), a rotating unit (3) and a power device (4); wherein: An angle encoder (2) is fixedly mounted on the top surface of the fixing frame (1); The rotating unit (3) comprises a rotating frame (31), wherein the rotating frame (31) is arranged on the bottom surface, a gyro sensor (32) and an acceleration sensor (33) are arranged in the rotating frame (31), and the rotating frame (31) is rotationally connected to the angle encoder (2); A power device (4) is fixedly arranged on the fixing frame (1) below the rotating unit (3) and is used to drive the rotating unit (3) to rotate in a vertical direction; The rotating frame (31) comprises a first bracket (311), a second bracket (312) and a support plate (313) which are connected in sequence from top to bottom; the gyro sensor (32) is arranged between the first bracket (311) and the second bracket (312); the acceleration sensor (33) is arranged between the second bracket (312) and the support plate (313); a linkage rod (3111) is arranged on the top of the first bracket (311); the linkage rod (3111) passes through the top surface of the fixed frame (1) and is connected to the angle encoder (2); and the support plate (313) is connected to the power device (4); A mounting frame (5) is also provided at the bottom of the fixing frame (1), and the power device (4) comprises a stepping motor (41). The stepping motor (41) is fixedly mounted in the mounting frame (5), and an output shaft of the stepping motor (41) passes through the top surface of the mounting frame (5) and is fixedly connected to the support plate (313); A slip ring (6) is sleeved on the output shaft between the fixing frame (1) and the mounting frame (5), the slip ring (6) comprising a stator (61) and a rotor (62), the stator (61) being fixedly connected to the top surface of the mounting frame (5), the rotor (62) being fixedly arranged at the bottom of the support plate (313), and an electrically conductive metal spring sheet (63) being arranged between the rotor (62) and the stator (61); The power device (4) further comprises a reduction box connected to the stepping motor (41), wherein a reducer (42) and a worm gear (43) are arranged in the reduction box, wherein the reducer (42) is connected to the stepping motor (41) and the worm gear (43) respectively, and the worm gear (43) is connected to the support plate (313) via an output shaft.

2. A mining hole directional measurement device as claimed in claim 1, characterized in that: The gyro sensor (32) is a MEMS gyroscope.

3. A mining hole directional measurement device as claimed in claim 1, characterized in that: It also includes a processing terminal (7) arranged on the mounting frame (5), wherein the processing terminal (7) is electrically connected to the angle encoder (2), the gyro sensor (32) and the acceleration sensor (33) respectively.

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