Geothermal measurement device for geological survey

Abstract

The utility model relates to the technical field of geological exploration, and provides a geological exploration terrestrial heat measuring device which comprises a main machine and a rear shell, and measuring structures used for detecting terrestrial heat are arranged on the main machine and the rear shell. The device is convenient to carry and use, the servo motor rotates reversely to drive the braided wire to descend, the measuring cylinder is put into a drilled temperature measuring hole, the camera at the lower end of the measuring cylinder shoots an image in the temperature measuring hole and transmits the image to the display screen of the host, and the acceleration switch provided with the Hall element can control the rotating speed of the servo motor. Temperature information can be observed on a display screen of the main machine when the measuring cylinder sinks into underground water, inertia generated when the servo motor drives the wire stranding wheel to rotate after shutdown can be counteracted by arranging bidirectional rotation damping, the main machine and the lifting driving assembly are powered by the first battery pack, and the measuring assembly is powered by the second battery pack. The second battery pack may be charged by the first battery pack.

Description

Technical Field

[0001] The utility model relates to the technical field of geological exploration, in particular to a geological exploration geothermal measuring device. Background Art

[0002] In geological exploration work, especially in the exploration of groundwater status, it is necessary to monitor the groundwater temperature. A geothermal measuring device is used to measure the groundwater temperature. At present, a geothermal tester is often used. Its working principle is to use a water temperature probe. One end of the probe uses a steel wire or cable, which is lowered into the groundwater. When the probe contacts the groundwater, the geothermal tester can test the groundwater temperature. The geothermal measuring instrument generally includes a bracket, a cable, a winding reel and a temperature probe. When in use, one end of the cable is wound around the winding reel, and the other end of the cable is connected to the temperature probe. The entire winding reel is set up on the bracket.

[0003] Since the detection environment is all outdoors, the measuring instrument should be as simple in structure and small in size as possible. However, the geothermal measuring devices commonly found on the market are generally large in size, inconvenient to carry and clumsy to use, which is not convenient for geological surveys. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a geothermal measuring device for geological survey, which solves the problem that the common geothermal measuring devices on the market are generally large in size, inconvenient to carry and clumsy to use.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a geothermal measuring device for geological survey, comprising a main unit and a rear shell, wherein the rear shell is detachably connected to the rear wall of the main unit, the side wall of the rear shell is provided with a heat dissipation window, a control module is provided inside the main unit, a display screen is provided on the front wall of the main unit, indicator lights and control buttons are provided on the front wall of the main unit respectively above and below the display screen, an antenna is fixedly connected to the top of the main unit, handles are fixedly connected to the left and right sides of the main unit, a measuring structure for detecting geothermal heat is provided on the main unit and the rear shell, and the measuring structure comprises: a measuring cylinder, a mounting seat is provided on the lower wall of the rear shell, the measuring cylinder is clamped on the inner wall of the mounting seat, and the mounting seat is provided on the lower wall of the rear shell. The end of the mounting seat extending out from under the rear shell is threadedly connected with a protective cover; a measuring assembly, which is arranged inside the measuring tube and is used to measure geothermal temperature; a power supply assembly, which is arranged inside the rear shell and the measuring tube and is used to supply power to the measuring structure and the host, and a charging contact for charging the measuring tube is arranged between the measuring tube and the mounting seat, and the charging contact is electrically connected to the power supply assembly; a lifting drive assembly, which is arranged inside the rear shell and is used to drive the measuring tube to rise and fall in the temperature measuring well; a control switch assembly, which is arranged on the inner side walls of the two sets of handles and is used to control the action of the lifting drive assembly.

[0008] Preferably, the measuring component includes a circuit board, a camera and multiple groups of temperature detection probes, the lower wall of the measuring tube is fixedly connected to a cone head, the lower wall of the cone head is fixedly connected to a mounting plate, the circuit board is fixedly connected to the upper wall of the cone head through multiple groups of insulating columns, the upper wall of the circuit board is provided with an image processing module, a temperature detection module and a wireless communication module, the camera and the multiple groups of temperature detection probes are all fixedly connected to the inner wall of the mounting plate and the camera is located between the multiple groups of temperature detection probes, the camera and the multiple groups of temperature detection probes all penetrate the inner wall of the mounting plate and are connected to the lower side of the mounting plate, and the circuit board is connected to the host wireless signal through the wireless communication module and the antenna.

[0009] Preferably, the power supply assembly includes a first battery group and a second battery group. The first battery group is fixedly connected to the inner lower wall of the rear shell and is located on the right side of the mounting seat. The second battery group is fixedly connected to the inner upper wall of the measuring tube. The voltage of the first battery group is higher than that of the second battery group. The second battery group is electrically connected to the measuring assembly. The first battery group is electrically connected to the control switch assembly and the lifting drive assembly through the boost module. The first battery group and the second battery group are both provided with charge and discharge protection circuits.

[0010] Preferably, the charging contacts include two groups of fixed sleeves, springs, movable contacts, and fixed contacts. The two groups of fixed sleeves are opposite to each other in a front-to-back manner and are respectively fixedly connected to the circumferential outer wall of one end of the mounting base located inside the rear shell. The two groups of springs and movable contacts are arranged in sequence from outside to inside on the inner wall of the fixed sleeve. The sides of the two groups of movable contacts away from the springs penetrate the side wall of the mounting base and extend into the inside of the mounting base.

[0011] Preferably, guide grooves are provided in front and behind the circumferential outer wall of one end of the measuring cylinder extending into the mounting seat, and the two groups of fixed contacts are respectively fixedly connected to the inner walls of the two guide grooves and are close to the upper wall of the measuring cylinder. When the measuring cylinder is clamped inside the mounting seat, the two groups of movable contacts are respectively pressed against the two groups of fixed contacts.

[0012] Preferably, the lifting drive assembly includes a servo motor, a winding wheel, a braided wire, a damping base and a bidirectional rotation damping. The servo motor is fixedly connected to the inner rear wall of the rear shell through a bracket and is located above the mounting seat. The winding wheel is fixedly connected to the outer wall of the servo motor shaft. The braided wire is wound around the outer wall of the winding wheel and one of its free ends is fixedly connected to the winding wheel. The end of the braided wire away from the winding wheel passes through the upper wall of the mounting seat and extends to the inside of the mounting seat. The end of the braided wire extending into the inside of the mounting seat is fixedly connected to the upper wall of the measuring cylinder.

[0013] Preferably, the damping base is fixedly connected to the inner front wall of the rear shell and is opposite to the servo motor front and back, the bidirectional rotary damping is rotatably connected to the rear wall of the damping base, and the outer wall of one end of the bidirectional rotary damping away from the damping base is clamped with the wire drawing wheel.

[0014] Preferably, the control switch assembly includes an acceleration switch and a start switch, and the acceleration switch and the start switch are respectively arranged on the side of the two sets of handles facing the main machine, and a Hall element is arranged inside the acceleration switch. The start switch is provided with three control positions of upper, middle and lower. When the start switch is in the upper, middle and lower control positions, it controls the rise, stop and descent of the lifting drive assembly respectively.

[0015] (III) Beneficial effects

[0016] The utility model provides a geothermal measurement device for geological survey. It has the following beneficial effects:

[0017] 1. Compared with the prior art, the geothermal measuring device for geological survey is the same size as a common SLR camera on the market, and is very convenient to carry. When in use, unscrew the protective cover, pull out the measuring tube from the mounting seat, start the servo motor to reverse by starting the switch, and the servo motor drives the stranding wheel to reverse, so that the braided wire wrapped around the stranding wheel is unwound, thereby driving the braided wire to descend by the dead weight of the measuring tube, and the measuring tube is put into the drilled temperature measuring hole. The image in the temperature measuring hole is captured by the camera at the lower end of the measuring tube and transmitted to the display screen of the host. The acceleration switch equipped with a Hall element can control the speed of the servo motor, thereby increasing the descending and ascending speeds. When the measuring tube is observed to sink into the groundwater through the camera, the temperature information transmitted back by the temperature detection probe can be observed on the display screen of the host, thereby achieving the purpose of measuring geothermal heat.

[0018] 2. Compared with the existing technology, the geothermal measurement device for geological survey has a bidirectional rotation damping device arranged between the stranding wheel and the inner front wall of the rear shell. When the acceleration switch is released, the bidirectional rotation damping device can offset the inertia generated by the rotation of the stranding wheel driven by the servo motor, so that the servo motor can stop immediately after the acceleration switch is released, thereby making the measurement position control more accurate.

[0019] 3. Compared with the prior art, in the geothermal measuring device for geological survey, the main unit and the lifting drive assembly are powered by a first battery pack, and the measuring assembly is powered by a second battery pack. When the measuring tube is inserted into the mounting seat, the second battery pack can be charged by the first battery pack, so that the second battery pack does not need to be designed with a very large volume, thereby reducing the overall volume of the measuring tube and facilitating entry into some temperature measuring holes with smaller apertures. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a side schematic diagram of the overall structure of the utility model.

[0022] Figure 3 It is a partial cross-sectional view of the internal structure of the rear shell side of the utility model.

[0023] Figure 4 For this utility model Figure 3 A partial enlarged view of point A in the middle.

[0024] Figure 5 It is a top view of the local structure of the measuring tube of the utility model.

[0025] Figure 6 It is a cross-sectional view of the local connection structure of the servo motor, the stranding wheel and the bidirectional rotary damper of the utility model.

[0026] Figure 7 It is a partial cross-sectional view of the internal structure of the measuring tube of the utility model.

[0027] In the figure, 1. host; 2. display screen; 3. indicator light; 4. control button; 5. handle; 6. acceleration switch; 7. start switch; 8. antenna; 9. protective cover; 10. back shell; 11. heat dissipation window; 12. bracket; 13. servo motor; 14. winding wheel; 15. braided wire; 16. damping base; 17. first battery pack; 18. mounting seat; 19. measuring tube; 20. guide groove; 21. two-way rotation damping; 22. fixing sleeve; 23. spring; 24. movable contact; 25. fixed contact; 26. second battery; 27. cone head; 28. mounting plate; 29. ​​insulating column; 30. circuit board; 31. camera; 32. temperature detection probe. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example:

[0030] like Figures 1 to 7 As shown, an embodiment of the utility model provides a geothermal measuring device for geological exploration, including a main unit 1 and a rear shell 10. The rear shell 10 is detachably connected to the rear wall of the main unit 1. A heat dissipation window 11 is provided on the side wall of the rear shell 10. A control module is provided inside the main unit 1. A display screen 2 is provided on the front wall of the main unit 1. Indicator lights 3 and control buttons 4 are provided on the front wall of the main unit 1 and are respectively located above and below the display screen 2. An antenna 8 is fixedly connected to the top of the main unit 1. Handles 5 are fixedly connected to the left and right sides of the main unit 1. A measuring structure for detecting geothermal heat is provided on the main unit 1 and the rear shell 10. The measuring structure includes a measuring tube 19, a measuring component, a power supply component, a lifting drive component and a control switch component.

[0031] A mounting seat 18 is provided on the lower wall of the rear shell 10, and a measuring tube 19 is clamped on the inner wall of the mounting seat 18. The end of the mounting seat 18 extending below the rear shell 10 is threadedly connected with a protective cover 9. The protective cover 9 can prevent the measuring tube 19 from falling out of the mounting seat 18 when carrying, thereby playing a protective role.

[0032] The measuring assembly is arranged inside the measuring cylinder 19, and the measuring assembly includes a circuit board 30, a camera 31, and a plurality of groups of temperature detection probes 32. The lower wall of the measuring cylinder 19 is fixedly connected with a cone head 27, and the lower wall of the cone head 27 is fixedly connected with a mounting plate 28. The circuit board 30 is fixedly connected to the upper wall of the cone head 27 through a plurality of groups of insulating columns 29. The upper wall of the circuit board 30 is provided with an image processing module, a temperature detection module, and a wireless communication module. The camera 31 and the plurality of groups of temperature detection probes 32 are all fixedly connected to the inner wall of the mounting plate 28, and the camera 31 is located between the plurality of groups of temperature detection probes 32. The camera 31 and the plurality of groups of temperature detection probes 32 are fixedly connected to the inner wall of the mounting plate 28. 2 penetrates the inner wall of the mounting plate 28 and the lower side of the mounting plate 28. The circuit board 30 is connected to the host 1 by wireless signals through the wireless communication module and the antenna 8. The measuring component is used to measure the geothermal temperature. The camera 31 is used to observe the situation in the temperature measuring well when the measuring cylinder 19 is placed, and is also used to confirm that the measuring cylinder 19 is immersed in the groundwater. When the measuring cylinder 19 is completely immersed in the groundwater, the temperature of the groundwater is detected by multiple groups of temperature detection probes 32. The detection signal is transmitted back to the temperature detection module, and after being processed by the temperature detection module, it is sent to the antenna 8 by the wireless communication module, and then transmitted back to the host 1 by the antenna 8 and displayed on the display screen 2.

[0033] The power supply assembly is arranged inside the rear shell 10 and the measuring cylinder 19, and the power supply assembly includes a first battery group 17 and a second battery group 26. The first battery group 17 is fixedly connected to the lower inner wall of the rear shell 10 and is located on the right side of the mounting seat 18. The second battery group 26 is fixedly connected to the upper inner wall of the measuring cylinder 19. The voltage of the first battery group 17 is higher than that of the second battery group 26. The second battery group 26 is electrically connected to the measuring assembly. The first battery group 17 is electrically connected to the control switch assembly and the lifting drive assembly through the boost module. The first battery group 17 and the second battery group 26 are both provided with a charge and discharge protection circuit. The power supply assembly is used to supply power to the measuring structure and the host 1. The first battery group 17 supplies power to the servo motor 13 and the host 1, and is used to charge the second battery group 26. The second battery group 26 is used to supply power to the circuit board 30, the camera 31 and multiple groups of temperature detection probes 32.

[0034] A charging contact for charging the measuring cylinder 19 is arranged between the measuring cylinder 19 and the mounting seat 18, and the charging contact includes two groups of fixed sleeves 22, springs 23, movable contacts 24, and fixed contacts 25. The two groups of fixed sleeves 22 are respectively fixedly connected to the outer wall of the circumference of one end of the mounting seat 18 located inside the rear shell 10 in a front-to-back relative state. The two groups of springs 23 and movable contacts 24 are arranged in sequence from the outside to the inside on the inner wall of the fixed sleeve 22. The sides of the two groups of movable contacts 24 away from the springs 23 penetrate the side wall of the mounting seat 18 and extend into the interior of the mounting seat 18. The measuring cylinder 19 extends into the outer wall of the circumference of one end of the mounting seat 18. Guide grooves 20 are provided at the front and back, and two groups of fixed contacts 25 are respectively fixedly connected to the inner walls of the two guide grooves 20 and are close to the upper wall of the measuring cylinder 19. When the measuring cylinder 19 is clamped in the mounting seat 18, the two groups of movable contacts 24 are respectively pressed against the two groups of fixed contacts 25, and the charging contacts are electrically connected to the power supply assembly. When the measuring cylinder 19 is clamped in the mounting seat 18, the two groups of movable contacts 24 are respectively pressed against the two groups of fixed contacts 25, so that the first battery group 17 is electrically connected to the second battery group 26, and the second battery group 26 is charged by setting the voltage of the first battery group 17 higher than that of the second battery group 26.

[0035] The lifting drive assembly is arranged inside the rear shell 10, and the lifting drive assembly includes a servo motor 13, a winding wheel 14, a braided wire 15, a damping base 16 and a bidirectional rotating damping 21. The servo motor 13 is fixedly connected to the inner rear wall of the rear shell 10 through a bracket 12 and is located above the mounting seat 18. The winding wheel 14 is fixedly connected to the outer wall of the shaft extending from the servo motor 13. The braided wire 15 is wound around the outer wall of the winding wheel 14 and one of its free ends is fixedly connected to the winding wheel 14. One end of the braided wire 15 away from the winding wheel 14 passes through the upper wall of the mounting seat 18 and extends to the inside of the mounting seat 18. One end of the braided wire 15 extending into the inside of the mounting seat 18 is fixedly connected to the upper wall of the measuring tube 19. The damping base 21 is provided with a servo motor 13 and a winding wheel 14. The seat 16 is fixedly connected to the inner front wall of the rear shell 10 and is opposite to the servo motor 13 in front and back. The bidirectional rotating damper 21 is rotatably connected to the rear wall of the damping base 16. The outer wall of one end of the bidirectional rotating damper 21 away from the damping base 16 is clamped with the stranding wheel 14. The lifting drive assembly is used to drive the measuring cylinder 19 to rise and fall in the temperature measuring well. When the servo motor 13 rotates forward and reverse, it can drive the stranding wheel 14 to rotate, thereby unwinding and winding the braided wire 15 wrapped around the outer wall of the stranding wheel 14, that is, driving the measuring cylinder 19 to descend and rise, playing the role of lifting drive. The bidirectional rotating damper 21 is used to offset the rotational inertia when the servo motor 13 does not need to rotate to stop the stranding wheel 14 quickly.

[0036] The control switch assembly is arranged on the inner wall of the two groups of handles 5, and the control switch assembly includes an acceleration switch 6 and a start switch 7. The acceleration switch 6 and the start switch 7 are respectively arranged on the side of the two groups of handles 5 facing the main machine 1. A Hall element is arranged inside the acceleration switch 6, and the start switch 7 is provided with three control positions of upper, middle and lower. When the start switch 7 is located at the upper, middle and lower control positions, the lifting drive assembly is controlled to rise, stop and fall respectively. The control switch assembly is used to control the action of the lifting drive assembly. The speed of the servo motor 13 can be controlled by pressing the acceleration switch 6 deeply. The forward rotation, reverse rotation and stop of the servo motor 13 can be controlled by setting the start switch 7.

[0037] Working principle: The camera 31 is used to observe the situation in the temperature measuring well when the measuring tube 19 is placed, and is also used to confirm that the measuring tube 19 is immersed in the groundwater. When the measuring tube 19 is completely immersed in the groundwater, the temperature of the groundwater is detected by multiple groups of temperature detection probes 32. The detection signal is transmitted back to the temperature detection module, and after being processed by the temperature detection module, it is sent to the antenna 8 by the wireless communication module, and is transmitted back to the host 1 by the antenna 8 and displayed on the display screen 2. The first battery pack 17 supplies power to the servo motor 13 and the host 1, and is used to charge the second battery pack 26. The second battery pack 26 is used to supply power to the circuit board 30, the camera 31 and the multiple groups of temperature detection probes 32. When the measuring tube 19 is clamped inside the mounting seat 18, the two groups of active contacts 24 are respectively connected to the two groups of The fixed contacts 25 are pressed tightly, so that the first battery pack 17 is electrically connected to the second battery pack 26. The voltage of the first battery pack 17 is higher than that of the second battery pack 26, so as to charge the second battery pack 26. When the servo motor 13 rotates forward and reverse, it can drive the winding wheel 14 to rotate, so that the braided wire 15 wound on the outer wall of the winding wheel 14 can be unwound and rolled up, that is, the measuring tube 19 is driven to descend and rise, playing a role of lifting and lowering drive. The bidirectional rotation damping 21 is used to offset the rotational inertia when the servo motor 13 does not need to rotate, so that the winding wheel 14 can stop quickly. The speed of the servo motor 13 can be controlled by pressing the acceleration switch 6 deeply, and the forward, reverse and stop of the servo motor 13 can be controlled by setting the start switch 7.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A geothermal measurement device for geological survey, comprising a main unit (1) and a rear shell (10), wherein the rear shell (10) is detachably connected to a rear wall of the main unit (1), a side wall of the rear shell (10) is provided with a heat dissipation window (11), and a control module is provided inside the main unit (1), characterized in that: The front wall of the host (1) is provided with a display screen (2); the front wall of the host (1) is provided with indicator lights (3) and control buttons (4) respectively located above and below the display screen (2); the top of the host (1) is fixedly connected with an antenna (8); the left and right sides of the host (1) are fixedly connected with handles (5); the host (1) and the rear shell (10) are provided with a measurement structure for detecting geothermal heat, the measurement structure comprising; A measuring cylinder (19), wherein a mounting seat (18) is disposed on the lower wall of the rear shell (10), the measuring cylinder (19) is clamped on the inner wall of the mounting seat (18), and an end of the mounting seat (18) extending below the rear shell (10) is threadedly connected to a protective cover (9); A measuring component, the measuring component is arranged inside the measuring cylinder (19), and the measuring component is used to measure geothermal temperature; a power supply component, the power supply component being arranged inside the rear housing (10) and the measuring cylinder (19), the power supply component being used to supply power to the measuring structure and the host (1), a charging contact for charging the measuring cylinder (19) being arranged between the measuring cylinder (19) and the mounting seat (18), the charging contact being electrically connected to the power supply component; A lifting drive assembly, the lifting drive assembly being arranged inside the rear housing (10), the lifting drive assembly being used to drive the measuring tube (19) to move up and down in the temperature measuring well; A control switch assembly is provided on the inner side walls of the two sets of handles (5), and is used to control the action of the lifting drive assembly.

2. A geothermal measurement device for geological survey according to claim 1, characterized in that: The measuring assembly comprises a circuit board (30), a camera (31) and a plurality of groups of temperature detection probes (32); the lower wall of the measuring tube (19) is fixedly connected to a cone head (27); the lower wall of the cone head (27) is fixedly connected to a mounting plate (28); the circuit board (30) is fixedly connected to the upper wall of the cone head (27) via a plurality of groups of insulating columns (29); an image processing module, a temperature detection module and a wireless communication module are arranged on the upper wall of the circuit board (30); the camera (31) and the plurality of groups of temperature detection probes (32) are fixedly connected to the inner wall of the mounting plate (28) and the camera (31) is located between the plurality of groups of temperature detection probes (32); the camera (31) and the plurality of groups of temperature detection probes (32) penetrate the inner wall of the mounting plate (28) and are connected to the lower side of the mounting plate (28); the circuit board (30) is connected to the host (1) by wireless signals via the wireless communication module and the antenna (8).

3. A geothermal measurement device for geological survey according to claim 1, characterized in that: The power supply assembly comprises a first battery group (17) and a second battery group (26); the first battery group (17) is fixedly connected to the inner lower wall of the rear shell (10) and is located on the right side of the mounting seat (18); the second battery group (26) is fixedly connected to the inner upper wall of the measuring cylinder (19); the voltage of the first battery group (17) is higher than that of the second battery group (26); the second battery group (26) is electrically connected to the measuring assembly; the first battery group (17) is electrically connected to the control switch assembly and the lifting drive assembly via a booster module; and the first battery group (17) and the second battery group (26) are both provided with a charge and discharge protection circuit.

4. A geothermal measurement device for geological survey according to claim 1, characterized in that: The charging contacts comprise two groups of fixed sleeves (22), springs (23), movable contacts (24), and fixed contacts (25); the two groups of fixed sleeves (22) are fixedly connected to the outer circumferential wall of one end of the mounting seat (18) located inside the rear shell (10) in a front-to-back opposed manner; the two groups of springs (23) and movable contacts (24) are arranged in sequence from outside to inside on the inner side wall of the fixed sleeve (22); and the sides of the two groups of movable contacts (24) away from the springs (23) penetrate the side wall of the mounting seat (18) and extend into the interior of the mounting seat (18).

5. A geothermal measurement device for geological survey according to claim 4, characterized in that: The outer wall of the circumference of one end of the measuring cylinder (19) extending into the mounting seat (18) is provided with guide grooves (20) at the front and rear, and the two groups of fixed contacts (25) are respectively fixedly connected to the inner walls of the two guide grooves (20) and are close to the upper wall of the measuring cylinder (19). When the measuring cylinder (19) is clamped inside the mounting seat (18), the two groups of movable contacts (24) are respectively pressed against the two groups of fixed contacts (25).

6. A geothermal measurement device for geological survey according to claim 1, characterized in that: The lifting drive assembly comprises a servo motor (13), a twisting wheel (14), a braided wire (15), a damping base (16) and a bidirectional rotating damper (21); the servo motor (13) is fixedly connected to the inner rear wall of the rear shell (10) through a bracket (12) and is located above the mounting seat (18); the twisting wheel (14) is fixedly connected to the outer wall of the shaft extending from the servo motor (13); the braided wire (15) is wound around the outer wall of the twisting wheel (14) and one of its free ends is fixedly connected to the twisting wheel (14); one end of the braided wire (15) away from the twisting wheel (14) passes through the upper wall of the mounting seat (18) and extends into the interior of the mounting seat (18); and one end of the braided wire (15) extending into the interior of the mounting seat (18) is fixedly connected to the upper wall of the measuring tube (19).

7. A geothermal measurement device for geological survey according to claim 6, characterized in that: The damping base (16) is fixedly connected to the inner front wall of the rear shell (10) and is opposite to the servo motor (13) in front and back. The bidirectional rotary damper (21) is rotatably connected to the rear wall of the damping base (16). The outer wall of one end of the bidirectional rotary damper (21) away from the damping base (16) is clamped with the twisting wheel (14).

8. A geothermal measurement device for geological survey according to any one of claims 1 to 7, characterized in that: The control switch assembly comprises an acceleration switch (6) and a start switch (7). The acceleration switch (6) and the start switch (7) are respectively arranged on the side of the two sets of handles (5) facing the main machine (1). A Hall element is arranged inside the acceleration switch (6). The start switch (7) is provided with three control positions of upper, middle and lower. When the start switch (7) is in the upper, middle and lower control positions, it controls the rise, stop and descent of the lifting drive assembly respectively.

Images