Geophysical prospecting device

Abstract

This invention belongs to the field of geological exploration technology and discloses a geophysical instrument for geological exploration, including a base plate and a movable and fixed assembly. The base plate is connected to a gear ring and a sun gear, the sun gear is connected to an adjustment handle and a planetary gear, and the planetary gear is coaxially connected to a detection device and a limiting handle. The base plate has an adjustment hole. The movable and fixed assembly includes a connecting plate, which connects to a level and a telescopic assembly. The telescopic assembly includes an upper sleeve, a lower sleeve, a rotating handle, a ball screw assembly, and a bevel gear set. The lower sleeve is connected to a connecting shaft, the connecting shaft has a traveling wheel and a stabilizing shaft, and the stabilizing shaft is connected to a support plate. This invention solves the problems of existing mobile geophysical instruments, such as the inability to adjust the moving device, poor mobility in the field, poor stability of the entire device during geophysical exploration, and the lack of intervention on branches or grass around the detection area, which can easily affect the normal use and accuracy of the detection equipment. It is suitable for geological exploration.

Description

Technical Field

[0001] This invention relates to the field of geological exploration technology, specifically to a geophysical instrument for geological exploration. Background Technology

[0002] Geological exploration refers to the investigation and research activities that use various means and methods to explore and detect geology, determine suitable bearing strata, determine the foundation type based on the bearing capacity of the bearing strata, and calculate foundation parameters. It involves investigating and studying the geological conditions of a specific area, including rocks, strata, structures, minerals, hydrology, and geomorphology. Geophysical instruments are used in geological exploration operations to detect geological phenomena and obtain valuable observational data.

[0003] Existing geophysical instruments for geological exploration mainly include handheld and backpack-type detectors. Handheld detectors are carried by the operator, moving with them to survey the area. They suffer from low efficiency and poor stability, leading to low accuracy. Furthermore, the detector may pick up branches or grass during surveying, resulting in rainwater or mud on the device, which can damage the equipment if not cleaned promptly. Backpack-type detectors, on the other hand, are carried in a backpack, improving portability and mobility. Multiple detection rings can be used simultaneously to explore the geological area, and a cleaning brush can remove residual rainwater and weeds from the bottom. However, the movement mechanism is not adjustable, resulting in poor maneuverability in the field. The overall stability of the device during geophysical exploration is poor, and the lack of intervention regarding branches or grass around the survey area can affect both the normal operation of the equipment and the accuracy of the survey. Summary of the Invention

[0004] The present invention aims to provide a geophysical instrument for geological exploration, in order to solve the problems of poor field accessibility of existing geophysical instruments / devices; poor stability of the entire device during geophysical exploration; and the lack of intervention on tree branches or grass around the detection area, which can easily affect the normal use and accuracy of the detection equipment.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] The basic technical solution provided by this invention is: a geophysical instrument for geological exploration, comprising a base plate and a movable and fixed assembly; the base plate is connected to a gear ring and a sun gear, the gear ring being fixedly connected to the base plate; the sun gear is rotatably connected to the base plate, and the sun gear is connected to an adjustment handle; a plurality of planetary gears are provided between the gear ring and the sun gear, which cooperate with each other, and the planetary gears are coaxially connected to a detection device and a limiting handle, the detection device and the limiting handle being respectively located on both sides of the base plate; the base plate has a plurality of adjustment holes, the shafts of the planetary gears pass through the adjustment holes, and the limiting handle is located outside the adjustment holes; the movable and fixed assembly includes two connecting plates, the left and right ends of the base plate being rotatably connected to the two connecting plates respectively, and locked by locking bolts; each connecting plate has two telescopic assemblies connected to its lower side, the telescopic assemblies being rotatably connected to a connecting shaft, the connecting shaft being connected to a traveling wheel, the connecting shaft being rotatably connected to a stabilizing shaft, the stabilizing shaft being connected to a support plate, and the support plate being configured to cooperate with both the base plate and the detection device.

[0007] Beneficial effects of the basic technical solution: When transporting the entire geophysical instrument, the adjusting handle and the detection device are located on the upper side of the base plate. The planetary gears mesh between the gear ring and the sun gear. The traveling wheels of the movable stabilizing assembly are in contact with the ground, and the traveling wheels can drive the entire instrument to move and be transported. Several stabilizing shafts are turned inward. Adjusting the telescopic length of the telescopic assembly allows the support plate to support the base plate. Rotating the adjusting handle causes the sun gear to rotate. The planetary gears revolve around the sun gear under the action of the gear ring and the sun gear, and rotate on their own axis. Adjusting the position of several planetary gears allows for the adjustment of the detection device. When using the geophysical instrument, rotating the fixed shafts in sequence causes the stabilizing shafts of the movable stabilizing assembly to contact the ground, thus effectively stabilizing the entire geophysical instrument. At the same time, the support plate is in a horizontal state, and there is no "slapping" interference with the branches or grass around the area to be detected. Then, rotating the base plate causes the detection device to face downward, thus enabling geophysical exploration of the geology.

[0008] The beneficial effects of the basic technical solution are as follows: This geophysical instrument is a convertible model: During transport, the entire instrument is moved using wheels, making it a mobile structure that facilitates transport. The height of the base plate is adjustable, improving the instrument's maneuverability. The support plate supports the base plate, and the stability of the entire device is enhanced when the planetary gear position is adjusted. During detection, rotating the stabilizing shaft to contact the ground stabilizes the entire device, providing a fixed structure with good stability and a fixed relative position, resulting in accurate and reliable detection results. Furthermore, the support plate rotates simultaneously with the stabilizing shaft, effectively "swatting" away branches or grass around the instrument, preventing rainwater or mud from getting on it, reducing the frequency of equipment damage, and improving detection accuracy. Moreover, during transport, the geophysical instrument is positioned on the upper side of the base plate, making it more intuitive to adjust the position of multiple instruments by rotating the sun gear. This also reduces contact between the detection device and branches or grass during transport, minimizing the impact on the accuracy and lifespan of the detection device.

[0009] Preferably, the distance between the limiting handle and the adjacent end face of the planetary tooth is not less than the sum of the thickness of the planetary tooth and the thickness of the substrate.

[0010] With the above settings, when the limiting handle is on the lower side of the substrate, the planetary gears and the coaxially connected detection device and adjustment handle, under the action of gravity and the substrate, enable the planetary gears to simultaneously mesh with the gear ring and the sun gear. When the substrate is rotated so that the detection device is downward to complete the detection function, the distance between the limiting handle and the adjacent end faces of the planetary gears is greater than the sum of the thickness of the planetary gears and the thickness of the substrate. This prevents the planetary gears from completely disengaging from the sun gear and gear ring when the planetary gears and the coaxially connected detection device and adjustment handle are completely detached from the substrate by gravity. This allows for further fine-tuning of the position of a single planetary gear or detection device, while also preventing the position of the detection device from being affected by misoperation of the adjustment handle.

[0011] Preferably, there are four adjustment holes and four planetary teeth, and the four adjustment holes and four planetary teeth are evenly arranged around the sun tooth as the center.

[0012] With the above setup, detection by four detection devices can be completed at once, resulting in high detection efficiency. Furthermore, the overall mechanical properties of the device are balanced, improving detection accuracy.

[0013] Preferably, the upper surfaces of both connecting plates are connected to a level to facilitate leveling of the substrate.

[0014] By using the above setup, the two connecting plates can be leveled using four levels before detection, which further helps to improve the accuracy of the detection.

[0015] Preferably, the free end of the stabilizing shaft is wedge-shaped; the support plate is L-shaped, and the four support plates enclose the area to be tested, with the detection device located inside the area to be tested.

[0016] With the above setup, the wedge-shaped stabilizing shaft can be inserted below the ground, further improving the stability of the entire geophysical instrument during detection; the four L-shaped support plates can be enclosed to form a nearly closed area to be tested, so that the support plates can not only be used to support the substrate and intervene in the "slapping" of branches or grass when rotating, but also determine the area and position of the area to be tested based on this quadrilateral.

[0017] Preferably, the telescopic assembly includes an upper sleeve, a lower sleeve, a rotating handle, a ball screw assembly, and a bevel gear set. The driving bevel gear of the bevel gear set is fixedly connected to the rotating handle, and the driven bevel gear of the bevel gear set is fixedly connected to the nut of the ball screw assembly. The rotating handle passes through the upper sleeve, the bevel gear set is located inside the upper sleeve, and the screw of the ball screw assembly abuts against the lower sleeve. The connecting plate is connected to the upper side of the upper sleeve, and the connecting shaft is connected to the lower side of the lower sleeve.

[0018] With the above settings, the telescopic length of the telescopic component can be adjusted by turning the handle, making the adjustment convenient and quick. Attached Figure Description

[0019] Figure 1 This is a front view of the transport status of a geophysical instrument for geological exploration according to the present invention;

[0020] Figure 2 This is a top view of the transport status of a geophysical instrument for geological exploration according to the present invention;

[0021] Figure 3 This is a front view of a geophysical instrument for geological exploration in a stable detection state according to the present invention;

[0022] Figure 4 for Figure 3 Sectional view of BB;

[0023] Figure 5 for Figure 1 A magnified view of a portion of point A in the middle;

[0024] Figure 6 This is a partial schematic diagram of a moving and stabilizing component for a geophysical instrument used in geological exploration according to the present invention;

[0025] Figure 7 This is a bottom view of the base plate of a geophysical instrument for geological exploration according to the present invention;

[0026] The names of the corresponding labels in the attached diagram are:

[0027] 1. Base plate, 2. Gear ring, 3. Sun gear, 4. Adjusting handle, 5. Adjusting hole, 6. Detection device, 7. Planetary gear, 8. Limiting handle, 9. Connecting plate, 10. Telescopic assembly, 11. Connecting shaft, 12. Stabilizing shaft, 13. Support plate, 14. Traveling wheel, 15. Level, 16. Upper tube sleeve, 17. Lower tube sleeve, 18. Ball screw assembly, 19. Bevel gear set, 20. Rotating handle. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0029] like Figures 1 to 7 As shown, a geophysical instrument for geological exploration includes a base plate 1 and a movable and fixed assembly. The base plate 1 is connected to a gear ring 2 and a sun gear 3, with the gear ring 2 fixedly connected to the base plate 1. The sun gear 3 is rotatably connected to the base plate 1 and is connected to an adjusting handle 4. Four planetary gears 7 are provided between the gear ring 2 and the sun gear 3, cooperating with each other. A detection device 6 and a limiting handle 8 are coaxially connected to the planetary gears 7. The distance between the limiting handle 8 and the adjacent end faces of the planetary gears 7 is greater than the sum of the thickness of the planetary gears 7 and the thickness of the base plate 1. The detection device 6 and the limiting handle 8 are respectively located on the upper and lower sides of the base plate 1. The base plate 1 has four adjusting holes 5, through which the shafts of the planetary gears 7 pass. The four adjusting holes 5 and the four planetary gears 7 are evenly arranged around the sun gear 3, with the limiting handle 8 located outside the adjusting holes 5. The movable and fixed assembly includes two connecting plates 9, with the left and right ends of the base plate 1 rotatably connected to the two connecting plates 9 and locked by locking bolts. The upper surfaces of both connecting plates 9 are connected to... A level 15 facilitates leveling of the base plate 1. Each connecting plate 9 has two telescopic components 10 connected to its lower side. Each telescopic component 10 includes an upper sleeve 16, a lower sleeve 17, a rotating handle 20, a ball screw assembly 18, and a bevel gear set 19. The upper surface of the upper sleeve 16 is connected to the lower surface of the connecting plate 9. The driving bevel gear of the bevel gear set 19 is fixedly connected to the rotating handle 20, and the driven bevel gear of the bevel gear set 19 is fixedly connected to the nut of the ball screw assembly 18. The rotating handle 20... A bevel gear set 19 is installed inside the upper sleeve 16. The lead screw of the ball screw assembly 18 abuts against the lower sleeve 17. A connecting shaft 11 is rotatably connected to the lower side of the lower sleeve 17. A traveling wheel 14 is connected to the lower side of the connecting shaft 11. A stabilizing shaft 12 is rotatably connected to the connecting shaft 11. The free end of the stabilizing shaft 12 is wedge-shaped. An "L"-shaped support plate 13 is connected to the stabilizing shaft 12. The four support plates 13 enclose and construct the area to be measured. The detection device 6 is located inside the area to be measured.

[0030] The specific implementation process is as follows:

[0031] When transporting this geophysical instrument, the traveling wheels 14 contact the ground for the movement and transport of the entire geophysical instrument. Rotating the rotating handle 20 adjusts the height of the base plate 1 so that the upper surface of the support plate 13 contacts the lower surface of the base plate 1 to complete the stable support of the base plate 1. The adjusting handle 4 and the detection device 6 are located on the upper side of the base plate 1. Rotating the adjusting handle 4 can adjust the specific position of the detection device 6. Upon reaching the designated location, when using this geophysical detector for detection, first rotate the handle 20 to adjust the telescopic length of the telescopic assembly 10, causing the base plate 1 to detach from the support plate 13. Then, rotate the four connecting shafts 11 in sequence, causing the four stabilizing shafts 12 to contact the ground sequentially, thereby improving the stability of the entire detector. During the rotation, the support plate 13 "pats" the branches or grass around the area to be detected, and the four "L"-shaped support plates 13 enclose a quadrilateral. Next, loosen the locking bolts that lock the base plate 1 and the connecting plate 9 at their relative positions, rotate the base plate 1 180°, so that the detection device 6 is vertically downward to facilitate detection of the area to be detected. Rotate the handle 20 again to retract the telescopic assembly 10. After the detection device 6 is at a suitable height, tighten the locking bolts. During the rotation of the handle 20, the four levels 15 adjust the levelness of the base plate 1 to improve the accuracy of the detection.

[0032] The above descriptions are merely embodiments of the present invention, and common knowledge regarding specific technical solutions or characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A geophysical instrument for geological exploration, characterized in that: The system includes a base plate and a movable fixing assembly. The base plate is connected to a gear ring and a sun gear, with the gear ring fixedly connected to the base plate. The sun gear is rotatably connected to the base plate and connected to an adjustment handle. A plurality of planetary gears are provided between the gear ring and the sun gear, coaxially connected to a detection device and a limiting handle. The detection device and the limiting handle are respectively located on both sides of the base plate. The base plate has a plurality of adjustment holes, through which the shafts of the planetary gears pass, and the limiting handle is located outside the adjustment holes. The movable fixing assembly includes two connecting plates, with the left and right ends of the base plate rotatably connected to the two connecting plates and locked by locking bolts. Each connecting plate has two telescopic assemblies connected to its lower side. A connecting shaft is rotatably connected to the lower side of each telescopic assembly, and a traveling wheel is connected to the lower side of the connecting shaft. A stabilizing shaft is rotatably connected to the connecting shaft, and a support plate is connected to the stabilizing shaft. The support plate simultaneously cooperates with both the base plate and the detection device. The free end of the stabilizing shaft is wedge-shaped; the support plate is L-shaped, and the four support plates enclose the area to be tested, with the detection device located inside the area to be tested. When transporting the geophysical instrument, the upper surface of the support plate contacts the lower surface of the base plate to support the base plate; when using the geophysical instrument for detection, the support plate beats down the branches or grass around the area to be detected as the connecting shaft is rotated to make the stabilizing shaft contact the ground.

2. The geophysical instrument for geological exploration according to claim 1, characterized in that: The distance between the limiting handle and the adjacent end face of the planetary tooth is not less than the sum of the thickness of the planetary tooth and the thickness of the substrate.

3. The geophysical instrument for geological exploration according to claim 1, characterized in that: There are four of each of the adjustment holes and planetary teeth, and the four adjustment holes and four planetary teeth are evenly arranged around the sun tooth as the center.

4. A geophysical instrument for geological exploration according to claim 1, characterized in that: Both connecting plates have a level attached to their upper surfaces to facilitate leveling of the substrate.

5. A geophysical instrument for geological exploration according to claim 1, characterized in that: The telescopic assembly includes an upper sleeve, a lower sleeve, a rotating handle, a ball screw assembly, and a bevel gear set. The driving bevel gear of the bevel gear set is fixedly connected to the rotating handle, and the driven bevel gear of the bevel gear set is fixedly connected to the nut of the ball screw assembly. The rotating handle passes through the upper sleeve, the bevel gear set is located inside the upper sleeve, and the lead screw of the ball screw assembly abuts against the lower sleeve. The connecting plate is connected to the upper side of the upper sleeve, and the connecting shaft is connected to the lower side of the lower sleeve.

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