Radioactive geophysical prospecting measuring device for prospecting

Abstract

The invention relates to the technical field of detection instruments, and discloses a radioactive geophysical prospecting measurement device for prospecting, the radioactive geophysical prospecting measurement device for prospecting comprises a handheld gamma energy disperse spectroscopy and a grip, the two sides of the outside of a display screen are both provided with protective shells, the close sides of the two protective shells abut against each other, the rod wall of a rotating rod is fixedly sleeved with a connecting rod, and the connecting rod is connected with the handheld gamma energy disperse spectroscopy. And one end of the connecting rod extends to the inner side of the protective shell. According to the radioactive geophysical prospecting measuring device for prospecting, the device can be connected to an arm, the device is prevented from accidentally slipping out of the hand and falling to the ground as much as possible, the two rotatable protective shells are arranged, and when the handle is loosened, the device can automatically rotate to shield and protect the vulnerable part of the device, so that the device has high safety during use; through the micro motor and the electric push rod, the distance between the equipment probe and the to-be-measured ore body is shortened, the road holding force of the equipment is enhanced, the influence of topographic relief and ground surface soil, covering soil and particles on the detection precision of the instrument is reduced, and the precision of a measurement result is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection instrument, in particular to a radioactive geophysical prospecting device for prospecting. BACKGROUND

[0002] In the prospecting work, radioactive geophysical prospecting is an important detection means, such as portable gamma spectrometer for prospecting work, its working principle is to measure the radioactivity intensity of natural radioactive elements uranium, thorium and potassium in soil and rock on the ground with gamma spectrometer, because the gamma rays emitted by the decay nuclei of uranium and thorium and the radioactive isotope nuclei of potassium have different characteristic spectra, they can be distinguished and detected by gamma spectrometer, so the on-site gamma spectrum measurement of soil and rock can be realized.

[0003] However, the current portable gamma spectrometer is often operated by the measurement personnel in the complex environment in the field, due to the rugged terrain, hand fatigue and other reasons, the device is easy to accidentally fall off the hand and fall to the ground, causing damage to the device, affecting the progress of the prospecting work, and increasing the maintenance cost, on the other hand, the vulnerable parts of the device lack effective protection measures in non-use or accidental situations, and are easy to be damaged by collision, scratching and other damages, reducing the service life of the device and the measurement accuracy, therefore, a radioactive geophysical prospecting device capable of improving the safety of the device, preventing the device from accidentally falling off the hand and falling to the ground, and effectively protecting the vulnerable parts is needed.

[0004] And because the measurement depth of the gamma spectrometer is limited, it can only be used to reflect the enrichment degree of the near-surface radioactive elements, therefore, in the process of actual measurement in the field, the detection result is affected by the terrain undulation, surface vegetation, soil particles and other factors, which changes the attenuation coefficient of the gamma ray and affects the measurement accuracy. SUMMARY

[0005] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides a radioactive geophysical prospecting device for prospecting, which has the advantages of being able to connect the device to the arm, preventing the device from accidentally falling off the hand and falling to the ground as much as possible, and having two rotatable protective shells, which can automatically rotate to shield and protect the vulnerable parts of the device when the handle is loosened, so that the device has high safety during use, solving the problems raised in the background art.

[0006] At the same time, the device shortens the distance between the equipment probe and the measured ore body through the micro motor and the electric push rod, strengthens the grip of the equipment, reduces the influence of terrain undulation and surface soil, covering soil and particles on the detection accuracy of the instrument, and increases the accuracy of the measurement result.

[0007] (II) Technical scheme In order to achieve the above object, the present application provides the following technical scheme: a radioactive geophysical prospecting device for ore prospecting, comprising a handheld gamma spectrometer and a handle, the handle is fixedly arranged at the middle part of the handheld gamma spectrometer, the upper end of the handheld gamma spectrometer is provided with a display screen at the front side, the outer sides of the display screen are provided with protective shells, the sides close to each other of the two protective shells abut, both sides of the handheld gamma spectrometer are fixedly provided with two side plates, the two side plates are rotationally provided with a rotating rod, the rod wall of the rotating rod is fixedly sleeved with a connecting rod, one end of the connecting rod extends to the inner side of the protective shell, the inner wall of the protective shell and the position corresponding to the connecting rod is fixedly provided with a connecting block, one end of the connecting rod is fixedly connected with the connecting block, both sides of the handle are provided with a pressing plate, the side away from the handle of the pressing plate is provided with a pulling mechanism for driving the protective shell to rotate about the rotating rod, both sides of the handle are provided with two sliding grooves, the inner sides of the sliding grooves are provided with a reset mechanism for pushing the pressing plate to reset, the tail end of the handheld gamma spectrometer is fixedly provided with a fixed block, one side of the fixed block is fixedly provided with a connecting rope, one end of the connecting rope away from the fixed block is fixedly provided with a first arc-shaped plate, the other side of the first arc-shaped plate is provided with a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are provided with a connecting mechanism, and the first arc-shaped plate and the second arc-shaped plate are fixedly connected through the connecting mechanism.

[0008] Preferably, the pulling mechanism comprises a guide wheel and a pulling rope, one end of the connecting block extends to the outer side of the protective shell, the outer side of one end of the connecting block is fixedly provided with a first vertical rod, the lower side of one end of the pressing plate close to the first vertical rod is fixedly provided with a second vertical rod, the pulling rope is fixedly connected between the first vertical rod and the second vertical rod, the upper end of the rotating rod extends to the outer side of the upper side plate, the guide wheel is fixedly sleeved on the upper end of the rotating rod, and the middle end of the pulling rope abuts the side of the guide wheel away from the handheld gamma spectrometer.

[0009] Preferably, the reset mechanism comprises a sliding block and a sliding rod, the sliding rod is fixedly arranged in the sliding groove, the sliding block is movably sleeved on the rod wall of the sliding rod, a transmission rod is arranged between the sliding block and the pressing plate, the side wall of the pressing plate and located at both sides of one end of the transmission rod is fixedly provided with a first connecting block, a first shaft pin is rotationally arranged between the two first connecting blocks, one end of the transmission rod is rotationally sleeved with the first shaft pin, one side of the sliding block close to the transmission rod is fixedly provided with two second connecting blocks, a second shaft pin is rotationally arranged between the two second connecting blocks, one end of the transmission rod is rotationally sleeved with the second shaft pin, the rod wall of the sliding rod is movably sleeved with a first spring, one end of the first spring is fixedly connected with the inner wall of the sliding groove, and the other end of the first spring is fixedly connected with one side of the sliding block.

[0010] Preferably, the connecting mechanism comprises first mounting blocks and second mounting blocks, the two first mounting blocks are fixedly arranged on the outer walls of the two ends of the first arc-shaped plate, the two second mounting blocks are fixedly arranged on the outer walls of the two ends of the second arc-shaped plate, the side of the second mounting block close to the first mounting block is provided with a insertion hole, the insertion hole is inserted with an insertion shell, one end of the insertion shell is fixedly connected with the first mounting block, the inside of the insertion shell is slidably provided with a movable plate, one side of the movable plate is fixedly provided with a clamping block, one end of the clamping block extends to the outside of the insertion shell, the outside of the clamping block is abutted with the side of the second mounting block away from the first mounting block, the side of the movable plate away from the clamping block is fixedly provided with a second spring, the other end of the second spring is fixedly connected with the inner wall of the insertion shell.

[0011] Preferably, the inside of the insertion shell is fixedly provided with fixed rods on both sides, and the two ends of the movable plate are movably sleeved with the corresponding fixed rods.

[0012] Preferably, the connecting rope and the pulling rope are nylon ropes.

[0013] Preferably, the side of the pressing plate close to the handle is provided with anti-skid lines, which increases the friction between the hand and the pressing plate, facilitates pressing operation.

[0014] Preferably, the inside of the first arc-shaped plate and the second arc-shaped plate is provided with rubber pads, which increases the friction with the arm when wearing, buffers at the same time, and improves the comfort of wearing.

[0015] Preferably, the longitudinal section of the sliding block and the sliding groove is rectangular.

[0016] Preferably, the rod wall of the rotating rod is movably sleeved with a torsional spring, and the two ends of the torsional spring are fixedly connected with the corresponding rotating rod and side plate.

[0017] Preferably, the top surface of the handheld gamma spectrometer is provided with a mounting plate, the mounting plate is provided with an adjusting groove, a micro motor is installed on the inner wall of the adjusting groove, a threaded rod is coaxially connected with the driving end of the micro motor, an adjusting block meshing with the threaded rod is inserted into the adjusting groove, and the display screen is fixed on the top surface of the adjusting block.

[0018] Preferably, the mounting plate is symmetrically provided with a movable groove, a thin rod is rotatably installed on the inner wall of the movable groove, a rotating plate is fixed on the thin rod, a first electric push rod is installed in the rotating plate, a supporting plate is fixed on the top end of the first electric push rod, an anti-skid block is fixed on the supporting plate, a gear ring is fixed on the thin rod, an insertion slot is formed in the inner wall of the movable groove, a gear rack meshing with the gear ring is fixed on the gear ring, a second electric push rod is fixed on the gear rack, the gear rack can be inserted into the insertion slot, and the second electric push rod is fixed on the inner wall of the movable groove.

[0019] (Three) beneficial effects Compared with the prior art, the present application provides a radioactive geophysical prospecting device for ore prospecting, which has the following beneficial effects: 1. The radioactive geophysical prospecting device for ore prospecting, by the setting of the first arc-shaped plate, the second arc-shaped plate and the connecting rope, the ore prospecting personnel can wrap the first arc-shaped plate and the second arc-shaped plate around the arm and fix them through the connecting mechanism, and the connecting rope connects the handheld gamma spectrometer with the arm. When operating in a complex outdoor environment, even if the hand is relaxed due to unexpected situations such as rugged terrain or hand fatigue, the device will not easily fall off the hand and fall to the ground, greatly improving the safety of the device in use, reducing the risk of damage caused by the device falling, and ensuring the smooth progress of the ore prospecting work.

[0020] 2. The radioactive geophysical prospecting device for ore prospecting, through the cooperative work of the pressing plate, the pulling mechanism, the reset mechanism and the protective shell and other components, when the ore prospecting personnel hold the handle, the pressing plate is pressed by the hand pressure, the protective shell is rotated around the rotating rod through the pulling rope and guide wheel, and the protective shell is opened, which does not affect the normal use of the display screen; when the handle is released, the pressing plate is reset under the action of the reset mechanism, the pulling rope is relaxed, and the protective shell is automatically rotated under the action of the torsional spring, shielding and protecting the display screen which is a vulnerable part, avoiding damage such as collision and scratching of the vulnerable part in non-use or unexpected situations, effectively prolonging the service life of the device, and improving the accuracy and reliability of the measurement.

[0021] 3. The radioactive geophysical prospecting device for ore prospecting, when it is necessary to approach the ore body closely and deeply underground, the miniature motor is started to drive the threaded rod to rotate, driving the movable block to move, thereby driving the probe to move, so that the probe can be elongated, thereby reducing the distance between the probe crystal and the ore body; and when it is necessary to place the device on the ground, the second electric push rod is first started to drive the rack to move, driving the gear ring and the thin rod to rotate, driving the rotating plate and the ground supporting plate to rotate, so that the ground supporting plate can be supported on the ground, increasing the grip of the instrument, and the first electric push rod can be started to drive the ground supporting plate to extend, thereby adapting to various ground environments, reducing the influence of terrain undulation, ground surface soil, covering soil and particles on the detection accuracy of the instrument. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure diagram of a radioactive geophysical prospecting device for ore prospecting is provided for the present application; Figure 2 is an internal structure diagram; Figure 1 Figure 3 is a connection structure diagram of the pressing plate and the reset mechanism in the present application; Figure 4 is a connection structure diagram between the protective shell and the pressing plate in the present application;​ Figure 5 For Figure 1 The connecting structure of the first arc-shaped plate and the second arc-shaped plate is shown in the figure. Figure 6 The structure of the mounting plate is shown in the figure. Figure 7 The structure of the micro motor is shown in the figure. Figure 8 The structure of the supporting plate is shown in the figure.

[0023] In the figure: 1, handheld gamma spectrometer; 2, handle; 3, pressing plate; 4, protective shell; 5, fixed block; 6, connecting rope; 7, first arc-shaped plate; 8, second arc-shaped plate; 9, second connecting block; 10, first shaft pin; 11, second shaft pin; 12, side plate; 13, rotating rod; 14, connecting rod; 15, connecting block; 16, first vertical rod; 17, guide wheel; 18, torsional spring; 19, second vertical rod; 20, pull rope; 21, first mounting block; 22, second mounting block; 23, insertion shell; 24, movable plate; 25, clamping block; 26, fixed rod; 27, second spring; 28, display screen; 29, first connecting block; 30, first spring; 31, sliding block; 32, sliding rod; 40, mounting plate; 41, adjusting groove; 42, micro motor; 43, threaded rod; 44, adjusting block; 45, movable groove; 46, thin rod; 47, rotating plate; 48, first electric push rod; 49, supporting plate; 50, anti-skid block; 51, gear ring; 52, insertion groove; 53, rack; 54, second electric push rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-5The utility model provides a radioactive geophysical survey device for prospecting, including handheld gamma spectrometer 1 and handle 2, handle 2 is fixedly arranged in the middle part of handheld gamma spectrometer 1, and the upper end front side of handheld gamma spectrometer 1 is provided with display screen 28, the both sides of the outside of display screen 28 are provided with protective housing 4, and the side close to two protective housings 4 abuts, and the both sides of handheld gamma spectrometer 1 are fixedly provided with two side plates 12, two side plates 12 are rotatably provided with rotating rod 13, and the rod wall of rotating rod 13 is fixedly sleeved with connecting rod 14, one end of connecting rod 14 extends to the inside of protective housing 4, and the inner wall of protective housing 4 and the position corresponding with connecting rod 14 are fixedly provided with connecting block 15, and one end of connecting rod 14 is fixedly connected with connecting block 15, and the both sides of handle 2 are provided with pressing plate 3, the side close to handle 2 of pressing plate 3 is provided with antiskid line, increases the friction between hand and pressing plate 3, and conveniently presses the operation, and the both sides of handle 2 are provided with two sliding grooves, and the tail end of handheld gamma spectrometer 1 is fixedly provided with fixed block 5, one side of fixed block 5 is fixedly provided with connecting rope 6, one end of connecting rope 6 away from fixed block 5 is fixedly provided with first arc plate 7, and the other side of first arc plate 7 is provided with second arc plate 8.

[0026] Please refer to Figures 1-5 The side away from handle 2 of pressing plate 3 is provided with pulling mechanism that drives protective housing 4 to rotate with rotating rod 13 as the axis, the end of connecting block 15 extends to the outside of protective housing 4, the outer end upper side of connecting block 15 is fixedly provided with first vertical rod 16, the end close to first vertical rod 16 of pressing plate 3 is fixedly provided with second vertical rod 19, and the pulling rope 20 is fixedly connected between the first vertical rod 16 and the second vertical rod 19, the upper end of rotating rod 13 extends to the outside of upper side plate 12, the guide wheel 17 is fixedly sleeved on the upper end of rotating rod 13, the middle end of pulling rope 20 abuts with the side away from handheld gamma spectrometer 1 of guide wheel 17, the rod wall of rotating rod 13 movably sleeved with torsional spring 18, and the both ends of torsional spring 18 are fixedly connected with corresponding rotating rod 13 and side plate 12 respectively, in the natural state, the elasticity of torsional spring 18 will make rotating rod 13 rotate and drive protective housing 4 reset.

[0027] Please refer to Figures 1-5The inner side of the plurality of sliding grooves is provided with a reset mechanism for resetting the pushing plate 3, the reset mechanism comprises a sliding block 31 and a sliding rod 32, the sliding rod 32 is fixedly arranged in the sliding groove, the sliding block 31 is movably sleeved on the rod wall of the sliding rod 32, a transmission rod is arranged between the sliding block 31 and the pushing plate 3, the side wall of the pushing plate 3 and located on both sides of one end of the transmission rod is fixedly provided with a first connecting block 29, a first shaft pin 10 is rotatably arranged between the two first connecting blocks 29, one end of the transmission rod is rotatably sleeved with the first shaft pin 10, the side of the sliding block 31 close to the transmission rod is fixedly provided with two second connecting blocks 9, a second shaft pin 11 is rotatably arranged between the two second connecting blocks 9, one end of the transmission rod is rotatably sleeved with the second shaft pin 11, the rod wall of the sliding rod 32 movably sleeved with a first spring 30, one end of the first spring 30 is fixedly connected with the inner wall of the sliding groove, the other end of the first spring 30 is fixedly connected with one side of the sliding block 31, the longitudinal section of the sliding block 31 and the sliding groove is rectangular, so that the sliding block 31 cannot rotate, that is, it can slide stably.

[0028] Please refer to Figures 1-5 A connecting mechanism is arranged between the first arc-shaped plate 7 and the second arc-shaped plate 8, the first arc-shaped plate 7 and the second arc-shaped plate 8 are fixedly connected through the connecting mechanism, the connecting mechanism comprises a first mounting block 21 and a second mounting block 22, the two first mounting blocks 21 are fixedly arranged on the outer walls of the two ends of the first arc-shaped plate 7, the two second mounting blocks 22 are fixedly arranged on the outer walls of the two ends of the second arc-shaped plate 8, the side of the second mounting block 22 close to the first mounting block 21 is provided with a insertion hole, the insertion hole is inserted with an insertion shell 23, one end of the insertion shell 23 is fixedly connected with the first mounting block 21, the insertion shell 23 is movably arranged in the inside of the insertion shell 23, the side of the movable plate 24 is fixedly provided with a clamping block 25, one end of the clamping block 25 extends to the outside of the insertion shell 23, the outside end of the clamping block 25 abuts against the side of the second mounting block 22 away from the first mounting block 21, the side of the movable plate 24 away from the clamping block 25 is fixedly provided with a second spring 27, the other end of the second spring 27 is fixedly connected with the inner wall of the insertion shell 23, the inside of the insertion shell 23 is fixedly provided with a fixed rod 26 on both sides, the two ends of the movable plate 24 are movably sleeved with the corresponding fixed rod 26, so that the movable plate 24 can stably slide, the connecting rope 6 and the pull rope 20 are nylon ropes, which are more durable, the inner sides of the first arc-shaped plate 7 and the second arc-shaped plate 8 are provided with rubber pads, which increase the friction with the arm when worn, and also play a buffering role, improving the comfort of wearing.

[0029] Please refer to Figures 6-8The top surface of the handheld gamma spectrometer 1 is provided with a mounting plate 40, the mounting plate 40 is provided with an adjusting groove 41, a micro motor 42 is mounted on the inner wall of the adjusting groove 41, a threaded rod 43 is coaxially connected to the driving end of the micro motor 42, an adjusting block 44 is inserted into the adjusting groove 41 and engaged with the threaded rod 43, and the display screen 28 is fixed on the top surface of the adjusting block 44. When it is necessary to approach the ore body deeply, the micro motor 42 is started to drive the threaded rod 43 to rotate, the adjusting block 44 is driven to move, and thus the display screen 28 and the probe crystal are moved to be elongated, so that the distance between the display screen 28 and the probe crystal and the ore body is reduced.

[0030] Please refer to Figures 6-8 The mounting plate 40 is symmetrically provided with a movable groove 45, a thin rod 46 is rotatably mounted on the inner wall of the movable groove 45, a rotating plate 47 is fixed on the thin rod 46, a first electric push rod 48 is mounted in the rotating plate 47, a supporting plate 49 is fixed on the top end of the first electric push rod 48, an anti-skid block 50 is fixed on the supporting plate 49, a gear ring 51 is fixed on the thin rod 46, an insertion groove 52 is formed in the inner wall of the movable groove 45, a rack 53 is engaged with the gear ring 51, a second electric push rod 54 is fixed on the rack 53, the rack 53 can be inserted into the insertion groove 52, and the second electric push rod 54 is fixed on the inner wall of the movable groove 45. When it is necessary to place the device on the ground, the second electric push rod 54 is started to drive the rack 53 to move, the gear ring 52 and the thin rod 46 are driven to rotate, the rotating plate 47 and the supporting plate 49 are driven to rotate, the supporting plate 49 can be supported on the ground, the grip of the instrument is increased, the first electric push rod 48 can be started to drive the supporting plate 49 to be telescopic, so that the device can adapt to various ground environments, the influence of the terrain undulation on the measurement results is reduced as much as possible, the influence of the surface soil, the covering soil and the particles on the instrument detection data is reduced, the uncertainty of the measurement results is reduced, and the measurement precision of the instrument is improved.

[0031] In summary, the radioactive geophysical prospecting device for prospecting is used, first, the first arc-shaped plate 7 and the second arc-shaped plate 8 are wound on the arm, the clamping block 25 is pressed to be retracted into the insertion shell 23, the insertion shell 23 is inserted into the insertion hole of the second mounting block 22, the clamping block 25 is released, under the action of the second spring 27, the clamping block 25 is ejected and abuts against the side of the second mounting block 22 away from the first mounting block 21, so that the first arc-shaped plate 7 and the second arc-shaped plate 8 are fixed on the arm, the device is connected with the arm. The prospector holds the handle 2, at this time the pressing plate 3 is pressed, the second vertical rod 19 on the pressing plate 3 pulls the pull rope 20, the pull rope 20 changes direction through the guide wheel 17, pulls the first vertical rod 16 on the connecting block 15, and then drives the protective shell 4 to rotate around the rotating rod 13 to open, the display screen 28 is exposed and can work normally. When the prospector releases the handle 2, the pressing plate 3 is reset under the action of the first spring 30 pushing the sliding block 31 and then through the transmission rod (the transmission structure is composed of the first connecting block 29, the first shaft pin 10, the second connecting block 9, the second shaft pin 11, and the sliding block 31 and the pressing plate 3), the pull rope 20 is relaxed, the protective shell 4 is automatically rotated and reset under the elastic force of the torsion spring 18, the display screen 28 is shielded and protected, and damage is prevented. In the entire prospecting process, the connecting rope 6 is always connected with the handheld gamma spectrometer 1 and the arm, preventing the device from falling accidentally.

[0032] It should be noted that the term "comprising" or any other variant is intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0033] Although embodiments of the present application have been shown and described, it will be understood by those having ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A radiometric geophysical measuring device for mineral exploration, comprising a handheld gamma spectrometer (1) and a handle (2), characterized in that: The handle (2) is fixedly installed in the middle of the handheld gamma spectrometer (1). A display screen (28) is provided on the upper front side of the handheld gamma spectrometer (1). Protective shells (4) are provided on both sides of the display screen (28). The two protective shells (4) are close to each other. Two side plates (12) are fixedly installed on both sides of the handheld gamma spectrometer (1). Rotating rods (13) are rotatably installed on the two side plates (12). A connecting rod (14) is fixedly sleeved on the rod wall of the rotating rod (13). One end of the connecting rod (14) extends to the inside of the protective shell (4). A connecting block (15) is fixedly installed on the inner wall of the protective shell (4) at a position corresponding to the connecting rod (14). One end of the connecting rod (14) is fixedly connected to the connecting block (15). The two sides of the handle (2) are fixedly installed in the middle of the handheld gamma spectrometer (1). Each side is provided with a pressure plate (3). The side of the pressure plate (3) away from the handle (2) is provided with a pulling mechanism that drives the protective shell (4) to rotate around the rotating rod (13). Two sliding grooves are opened on both sides of the handle (2). The inner side of the multiple sliding grooves is provided with a reset mechanism that pushes the pressure plate (3) to reset. A fixing block (5) is fixedly provided at the tail end of the handheld gamma spectrometer (1). A connecting rope (6) is fixedly provided on one side of the fixing block (5). A first arc plate (7) is fixedly provided at one end of the connecting rope (6) away from the fixing block (5). A second arc plate (8) is provided on the other side of the first arc plate (7). A connecting mechanism is provided between the first arc plate (7) and the second arc plate (8). The first arc plate (7) and the second arc plate (8) are fixedly connected by the connecting mechanism.

2. The radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The pulling mechanism includes a guide wheel (17) and a pull rope (20). One end of the connecting block (15) extends to the outside of the protective shell (4). A first vertical rod (16) is fixedly installed on the upper side of the outer side of the connecting block (15). A second vertical rod (19) is fixedly installed on the lower side of the end of the pressure plate (3) near the first vertical rod (16). The pull rope (20) is fixedly connected between the first vertical rod (16) and the second vertical rod (19). The upper end of the rotating rod (13) extends to the outside of the upper side plate (12). The guide wheel (17) is fixedly sleeved on the upper end of the rotating rod (13). The middle end of the pull rope (20) abuts against the side of the guide wheel (17) away from the handheld gamma spectrometer (1).

3. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The reset mechanism includes a slider (31) and a slide rod (32). The slide rod (32) is fixedly installed inside the slide groove. The slider (31) is movably sleeved on the wall of the slide rod (32). A transmission rod is provided between the slider (31) and the pressure plate (3). A first connecting block (29) is fixedly installed on both sides of the side wall of the pressure plate (3) and on one end of the transmission rod. A first shaft pin (10) is rotatably installed between the two first connecting blocks (29). One end of the transmission rod is rotatably sleeved with the first shaft pin (10). Two second connecting blocks (9) are fixedly installed on the side of the slider (31) near the transmission rod. A second shaft pin (11) is rotatably installed between the two second connecting blocks (9). One end of the transmission rod is rotatably sleeved with the second shaft pin (11). A first spring (30) is movably sleeved on the wall of the slide rod (32). One end of the first spring (30) is fixedly connected to the inner wall of the slide groove. The other end of the first spring (30) is fixedly connected to one side of the slider (31).

4. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The connecting mechanism includes a first mounting block (21) and a second mounting block (22). The two first mounting blocks (21) are fixedly disposed on the outer walls of both ends of the first arc-shaped plate (7), and the two second mounting blocks (22) are fixedly disposed on the outer walls of both ends of the second arc-shaped plate (8). A insertion hole is provided on the side of the second mounting block (22) near the first mounting block (21). A housing (23) is inserted into the insertion hole. One end of the housing (23) is fixedly connected to the first mounting block (21). The interior of the 23) is provided with a movable plate (24), and a locking block (25) is fixedly provided on one side of the movable plate (24). One end of the locking block (25) extends to the outside of the insert (23). One end of the outer side of the locking block (25) abuts against the side of the second mounting block (22) away from the first mounting block (21). A second spring (27) is fixedly provided on the side of the movable plate (24) away from the locking block (25). The other end of the second spring (27) is fixedly connected to the inner wall of the insert (23).

5. A radioactive geophysical surveying device for mineral exploration according to claim 4, characterized in that: Both sides of the inner side of the insert (23) are fixedly provided with fixing rods (26), and both ends of the movable plate (24) are movably connected to the corresponding fixing rods (26).

6. A radioactive geophysical surveying device for mineral exploration according to claim 2, characterized in that: Both the connecting rope (6) and the pull rope (20) are nylon ropes.

7. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The pressure plate (3) has anti-slip texture on the side near the handle (2).

8. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: Rubber pads are provided on the inner sides of both the first arc plate (7) and the second arc plate (8).

9. A radioactive geophysical surveying device for mineral exploration according to claim 3, characterized in that: The longitudinal sections of both the slider (31) and the groove are rectangular.

10. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The rod wall of the rotating rod (13) is movably sleeved with a torsion spring (18), and the two ends of the torsion spring (18) are fixedly connected to the corresponding rotating rod (13) and the side plate (12) respectively.

11. A radioactive geophysical surveying device for mineral exploration according to claim 1, characterized in that: The handheld gamma spectrometer (1) has a mounting plate (40) on its top surface. An adjustment groove (41) is provided on the mounting plate (40). A micro motor (42) is installed on the inner wall of the adjustment groove (41). A threaded rod (43) is coaxially connected to the drive end of the micro motor (42). An adjustment block (44) that meshes with the threaded rod (43) is inserted into the adjustment groove (41). The display screen (28) is fixed on the top surface of the adjustment block (44).

12. A radioactive geophysical surveying device for mineral exploration according to claim 11, characterized in that: The mounting plate (40) is symmetrically provided with movable grooves (45). A thin rod (46) is rotatably installed on the inner wall of the movable groove (45). A rotating plate (47) is fixed on the thin rod (46). A first electric push rod (48) is installed inside the rotating plate (47). A support plate (49) is fixed at the top of the first electric push rod (48). An anti-slip block (50) is fixed on the support plate (49). A toothed ring (51) is fixed on the thin rod (46). An insertion groove (52) is provided on the inner wall of the movable groove (45). A rack (53) meshes with the rack (51). A second electric push rod (54) is fixed on the rack (53). The rack (53) can be inserted into the insertion groove (52). The second electric push rod (54) is fixed on the inner wall of the movable groove (45).

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