CN112285762A - Method and device for detecting karst geology by elastic wave imaging chromatography - Google Patents
Method and device for detecting karst geology by elastic wave imaging chromatography Download PDFInfo
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- CN112285762A CN112285762A CN202011125106.6A CN202011125106A CN112285762A CN 112285762 A CN112285762 A CN 112285762A CN 202011125106 A CN202011125106 A CN 202011125106A CN 112285762 A CN112285762 A CN 112285762A
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Abstract
The invention discloses an elastic wave imaging chromatography detection karst geology method, and simultaneously discloses an elastic wave imaging chromatography detection karst geology device, which comprises a fixing device and a detection device, wherein the detection device is arranged on the fixing device, balancing mechanisms are symmetrically arranged on the side wall of a CT detection instrument in a cross shape, an end head is arranged on the side wall of the CT detection instrument by utilizing the matching of a fixing barrel, a buffer spring, a piston disc and a movable push rod, a cavity is arranged in the end head to install a round ball, the round ball extends to the outside of the end head through a through hole in the side wall of the end head, when the CT detection instrument enters a drilled hole, the end head is pushed to compress the buffer spring by utilizing the movable push rod, the round ball is tightly attached to the inner wall of the drilled hole under the relaxation force of the buffer spring after the CT detection instrument completely enters the drilled hole, when the CT detection instrument descends in the drilled hole, is practical and convenient.
Description
Technical Field
The invention relates to the technical field of engineering survey, in particular to a method and a device for detecting karst geology by elastic wave imaging chromatography.
Background
In recent years, the engineering construction of China is rapidly developing, more and more tunnels are built in unfavorable geological areas, and particularly in karst development areas, the development forms of bedrock tops, karst caves and corrosion cracks are very complex. At present, the conventional engineering geological drilling is a 'one-hole observation' due to the limited number of exploration drill holes, and is difficult to reflect the distribution and the shape of underground unfavorable geologic bodies. The elastic wave CT method has high efficiency, simple operation, accuracy and effectiveness, and overcomes the defects of conventional engineering drilling.
However, when the existing detection device is used for carrying out karst detection on a deep borehole, detection equipment is generally hung in the borehole through a lifting rope for detection, and in order to avoid scratching of the detection equipment in the borehole, the volume of the detection equipment is generally smaller than the diameter of the borehole, so that the detection equipment shakes when falling in the borehole, the shaking can collide with the inner wall of the borehole, the equipment is easily damaged, and the detection accuracy is influenced; and hang in midair the lifting rope of detecting equipment and take place the friction between easy and the drilling inner wall, violent friction leads to the lifting rope fracture easily to reduce its life, and the lifting rope can be cut off by the sharp thing on the drilling inner wall even, leads to detecting equipment to drop the damage and causes the loss.
Therefore, we propose a method and apparatus for elastic wave imaging tomography detection of karst geology.
Disclosure of Invention
The invention aims to provide a method and a device for detecting karst geology by elastic wave imaging chromatography, which are used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a technical scheme that: an elastic wave imaging chromatography detection device for karst geology comprises a fixing device and a detection device, wherein the detection device is arranged on the fixing device, the fixing device comprises a base, rollers, a handle, a positioning support column, a mounting groove, a winding roll, a driving motor and a lifting rope, the rollers are respectively arranged on two sides of one end of the base through pin shafts, the outer wall of the base at the same side of the roller is provided with a handle, the positioning support columns are respectively and fixedly connected to two sides of the bottom of the base at the end far away from the roller, the mounting groove is formed in the upper end of the base at the same side of the positioning support columns, a winding roll is arranged between the inner walls of two sides of the mounting groove, the side wall of the base at one end of the winding roll is provided with a driving motor through a fixing bolt, a transmission shaft of the driving motor is fixedly connected with a screw rod at one end of the winding roll through a coupler, the outer wall of the winding roll is wound with a lifting rope;
detection device includes the installation barrel seat, the draw-in groove, the CT detection instrument, stopper and balanced mechanism, the top of installation barrel seat is fixed with the one end that the winding roll was kept away from to the lifting rope and is linked to each other, and seted up the draw-in groove on the inner wall of installation barrel seat, the breach is seted up at the both ends of draw-in groove, the breach extends to the port department of installation barrel seat, it is provided with the stopper respectively to correspond breach department on the top both sides outer wall of CT detection instrument, formula structure as an organic whole between stopper and CT detection instrument, and the top of CT detection instrument is fixed in the inner chamber of installation barrel seat through stopper cooperation draw-in groove block, it is provided with integrative balanced mechanism.
Furthermore, a storage battery box is arranged at the top end edge of the base close to one side of the handle, the storage battery box is arranged close to the port of the mounting groove, a storage battery is arranged inside the storage battery box, a controller is arranged on the outer wall of one side of the storage battery box, and the controller is electrically connected with the storage battery inside the storage battery box through a lead.
Further, the outer walls of two sides of the base at the port of the installation groove are respectively provided with an integrated fixing plate in parallel side by side, a connecting rod is arranged between the side walls of the fixing plate far away from one end of the port of the installation groove, the outer wall of the connecting rod is movably sleeved with a guide wheel, the guide wheel adopts a free rotation mode, a low-resistance bearing is arranged inside the guide wheel, the guide wheel is of a large-diameter groove type structure, a groove in the upper end of the guide wheel carries out limiting support on a lifting rope, the driving motor is a forward and reverse rotation stepping motor, the type number of the driving motor is YFB2-80M, and the driving motor is respectively electrically connected with a storage battery.
Furthermore, the lifting rope comprises an inner core, an inner shell sleeve, a metal wire mesh sleeve and an outer shell sleeve, the inner shell sleeve is wrapped and sleeved on the outer wall of the inner core, the metal wire mesh sleeve is wrapped and wrapped on the outer wall of the inner shell sleeve, the outer shell sleeve is wrapped and arranged on the outer wall of the metal wire mesh sleeve, and the inner shell sleeve and the outer shell sleeve are members made of polyethylene rubber materials and resin materials respectively.
Further, the lower end of the top plate of the mounting barrel seat is fixedly connected with a connecting spring, the lower end of the connecting spring is provided with an integrated movable block, the movable block is in interference fit with the inner wall of the mounting barrel seat, and when the connecting spring keeps a normal relaxation state, the movable block is suspended at the clamping groove.
Furthermore, an integrated wireless transmission module is arranged on the outer wall of one side of the CT detector, the wireless transmission module is electrically connected with the CT detector through a data line, an RF2915 type wireless receiving and transmitting chip is arranged in the wireless transmission module, and the wireless transmission module is connected with a mobile PC (personal computer) end of a worker through the wireless receiving and transmitting chip to transmit data.
Furthermore, the balancing mechanism comprises a fixed cylinder, a buffer spring, a piston disc, a movable push rod and an end head, the fixed cylinders are respectively arranged on the side wall of the CT detector in a cross-shaped symmetrical manner, and the inner wall of one side of the fixed cylinder corresponding to the port is respectively provided with a buffer spring, one end of the buffer spring far away from the inner wall of the fixed cylinder is fixedly connected on the side wall of the piston disc, the piston disc and the inner wall of the fixed cylinder are in interference fit, and the outer wall of one side of the piston disc far away from the buffer spring is provided with an integrated movable push rod, one end of the movable push rod far away from the piston disc extends to the outside of the port of the fixed cylinder, and the tail end is fixedly connected with an integrated end head, a cavity is arranged inside the end head, the cavity is of a spherical structure, and the ball is fixed in the cavity in a clamping manner, the ball is of a hollow structure, the ball is matched with the cavity, and the ball extends to the outside of the cavity through a through hole in the side wall of one end, far away from the movable push rod, of the end head.
Further, still set up automatic alarm device on the fixing device, automatic alarm device includes:
a controller disposed on the fixture;
the alarm is arranged on the fixing device;
the first detection device is arranged on the winding roll and used for detecting the pressure of the lifting rope on the winding roll;
the second detection device is arranged on the detection device and used for detecting the radius of the drilled hole;
the third detection device is arranged on the detection device and used for detecting an included angle between the axis of the drill hole and the horizontal plane;
the fourth detection device is arranged on the detection device and used for detecting the distance from the detection device to the ground;
the controller is connected with alarm, first detection device, second detection device, third detection device, fourth detection device electricity, the controller is based on first detection device, second detection device, third detection device, fourth detection device detection value control alarm and report to the police, includes following step:
step 1, calculating the elastic elongation l of the lifting rope according to the detection values of the first detection device, the second detection device, the third detection device and the fourth detection device and a formula (1);
wherein a is the radius of the lifting rope, b is the detection value of the second detection device, theta is the detection value of the third detection device, and E is the elastic modulus of the lifting rope; l is a value detected by the fourth detecting means, cos is a cosine of the angle, tan is a tangent of the angle, F is a value detected by the first detecting means, L is a value detected by the fourth detecting means, and0the pi is 3.14 of the length of the lifting rope; wherein exp is an exponential function with e as a base number, and exp is a constant, and e is 2.718281828;
Wherein exp is an exponential function taking e as a base number, exp is a constant, e is taken as 2.718281828, and sin is the sine value of an angle;
and 3, comparing the pulling force value of the lifting rope calculated in the step 2 with a preset maximum pulling force value by the controller, and controlling the alarm to give an alarm by the controller when the pulling force value of the lifting rope calculated in the step 2 is larger than the preset maximum pulling force value.
Further, fixing device includes box and lower box, detection device sets up on last box, go up and still set up adjusting device between box and the lower box, adjusting device includes:
the adjusting motor is arranged in the lower box body and is fixedly connected with the lower box body;
the first rotating rod is arranged at the output end of the adjusting motor, and one end of the first rotating rod is fixedly connected with the adjusting motor;
the first gear is arranged at the other end of the first rotating rod and is fixedly connected with the first rotating rod;
the second rotating rod is arranged in the lower box body, one end of the second rotating rod is rotatably connected with the lower wall of the lower box body through a bearing, and the other end of the second rotating rod penetrates through the upper wall of the lower box body and is rotatably connected with the upper wall of the lower box body through a bearing;
the second gear is arranged on the second rotating rod and is fixedly connected with the second rotating rod, and the second gear is in meshing transmission with the first gear;
the horizontal plate is arranged at the other end of the second rotating rod, and the lower surface of the horizontal plate is fixedly connected with the second rotating rod;
the sliding chutes are arranged on the horizontal plate and are fixedly connected with the horizontal plate;
the electric telescopic rods are arranged on the sliding grooves, one ends of the electric telescopic rods are connected with the sliding grooves in a sliding mode, and the other ends of the electric telescopic rods are fixedly connected with the lower wall of the upper box body;
the mounting seat is fixedly connected to the horizontal plate;
the electric push rod is arranged on the mounting seat, and one end of the electric push rod is fixedly connected with the side face of the mounting seat;
one side of the pushing plate is fixedly connected with the other end of the electric push rod, and the other side of the pushing plate is fixedly connected with the electric telescopic rod.
An implementation method of the device for detecting the karst geology by elastic wave imaging chromatography comprises the following steps:
s1: pressing the handle to slightly tilt one end of the base close to the positioning support column, pushing or pulling the base to a karst detection point through the roller by using the handle, suspending the guide wheel above a karst detection drill hole, and then putting down the positioning support column to contact the ground for fixing;
s2: starting a driving motor, driving a winding roller to rotate and release a lifting rope to suspend the detection device at the port of the drill hole, and manually correcting the CT detector after the driving motor is suspended, so that the round balls at the tail end of the balance mechanism on the side wall of the CT detector are respectively attached to the inner wall of the drill hole, and the CT detector is suspended in the inner cavity of the drill hole;
s3: restarting the driving motor, driving the winding roller to rotate by the driving motor, continuously releasing the lifting rope, stably conveying the CT detector to the deep part of the drilled hole through gravity, and stopping the driving motor;
s4: the CT detector emits elastic waves at the deep part of a drill hole to detect the karst, the karst data detected by the CT detector is transmitted to a PC end of a worker through a wireless transmission module on the side wall, and the PC end receives the data and generates a karst layer section image for research;
s5: and starting the driving motor, selecting the driving motor to reversely rotate to drive the winding roller to wind the lifting rope to lift the CT detector out of the drilled hole, moving the equipment to the next detection point, and repeating the steps S1-S4.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the method and the device for detecting the karst geology through elastic wave imaging chromatography, the lifting rope is installed at the upper end of the base through the matching of the installation groove, the winding roller and the driving motor, the lifting rope is designed to be of a multilayer structure with the inner core, the inner shell sleeve, the metal wire mesh sleeve and the outer shell sleeve, the outer shell sleeve made of resin materials is good in wear resistance, the inner shell sleeve made of rubber is arranged inside the outer shell sleeve for protection, the metal wire mesh sleeve is used for preventing the outer shell sleeve from being scratched by sharp objects and then continuously penetrating into the inner core for damaging the lifting rope, the safety of the inner core is fully guaranteed, and therefore the risk that the detection device is broken due to the breakage of the lifting rope is avoided.
2. According to the method and the device for detecting the karst geology by the elastic wave imaging chromatography, the movable block is installed at the lower end of the top plate of the installation barrel seat through the connecting spring, meanwhile, the clamping groove is formed in the inner wall of the installation barrel seat, the CT detector is clamped and installed in the inner cavity of the installation barrel seat through the limiting block arranged on the side wall of the top end of the CT detector, and after the limiting block is clamped and fixed in the inner cavity of the clamping groove, the movable block is extruded and pushed by the connecting spring to clamp the CT detector, so that the installation stability of the CT detector is ensured, and the CT detector is convenient.
3. According to the method and the device for detecting the karst geology through the elastic wave imaging chromatography, the balancing mechanisms are symmetrically arranged on the side wall of the CT detector in a cross shape, the end socket is arranged on the side wall of the CT detector by utilizing the matching of the fixed cylinder, the buffer spring, the piston disc and the movable push rod, the cavity is arranged in the end socket and is provided with the round ball, the round ball extends to the outside of the end socket through the through hole in the side wall of the end socket, when the CT detector enters a drilled hole, the end socket is pushed to compress the buffer spring by utilizing the movable push rod, after the CT detector completely enters the hole, the round ball is tightly attached to the inner wall of the drilled hole under the relaxation force of the buffer spring, and when the CT detector descends in the drilled hole, the round ball rolls on the.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of an apparatus for elastic wave imaging tomography detection of karst geology according to the present invention;
FIG. 2 is a schematic structural diagram of a fixing device of the device for detecting karst geology by elastic wave imaging chromatography according to the invention;
FIG. 3 is a cross-sectional view of a lifting rope of an apparatus for elastic wave imaging tomography in order to detect karst geology according to the present invention;
FIG. 4 is a schematic structural diagram of a detection device of the device for detecting karst geology by elastic wave imaging chromatography according to the present invention;
FIG. 5 is a diagram showing a state where a mounting socket and a CT detector of the apparatus for exploring karst geology by elastic wave imaging chromatography according to the present invention are separated from each other;
FIG. 6 is a schematic view of an inverted structure of a mounting barrel seat of the device for detecting karst geology by elastic wave imaging chromatography according to the present invention;
FIG. 7 is a sectional view of a mounting socket of an apparatus for elastic wave imaging tomography in the detection of karst geology according to the present invention;
FIG. 8 is a cross-sectional view of an equalizing mechanism of an apparatus for elastic wave imaging tomography in the detection of karst geology according to the present invention;
FIG. 9 is a data transmission topological diagram of a CT detector of the device for detecting karst geology by elastic wave imaging chromatography according to the invention;
FIG. 10 is a schematic view of the adjusting device of the present invention;
FIG. 11 is a schematic top view of the horizontal plate of the adjusting device of the present invention.
In the figure: 1. a fixing device; 11. a base; 12. a roller; 13. a handle; 14. positioning a support column; 15. mounting grooves; 16. a winding roll; 17. a drive motor; 18. a lifting rope; 181. an inner core; 182. an inner shell sleeve; 183. a wire mesh sleeve; 184. an outer sheath; 19. an accumulator case; 110. a controller; 111. a fixing plate; 112. a connecting rod; 113. a guide wheel; 2. a detection device; 21. mounting a barrel seat; 22. a card slot; 23. a CT detector; 24. a limiting block; 25. a balancing machine; 251. a fixed cylinder; 252. a buffer spring; 253. a piston disc; 254. a movable push rod; 255. a tip; 256. a cavity; 257. a ball; 258. a through hole; 26. a connecting spring; 27. a movable block; 28. a wireless transmission module; 001. an upper box body; 002. a lower box body; 003. adjusting the motor; 004. a first rotating rod; 005. a first gear; 006. a second rotating rod; 007. a second gear; 008. a horizontal plate; 009. an electric telescopic rod; 010. a push plate; 011. a chute; 012. a mounting seat; 013. an electric push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to better show the method for detecting the karst geology by the elastic wave imaging tomography, the embodiment provides another device for detecting the karst geology by the elastic wave imaging tomography:
referring to fig. 1-2, an apparatus for elastic wave imaging chromatography detection of karst geology comprises a fixing device 1 and a detection device 2, wherein the detection device 2 is installed on the fixing device 1, the fixing device 1 comprises a base 11, rollers 12, a handle 13, positioning support columns 14, installation grooves 15, winding rollers 16, a driving motor 17 and a lifting rope 18, the rollers 12 are respectively arranged on two sides of one end of the base 11 through pin shafts, the handle 13 is arranged on the outer wall of the base 11 on the same side as the rollers 12, the positioning support columns 14 are respectively and fixedly connected to two sides of the bottom of the base 11 on the same side far away from the rollers 12, the installation grooves 15 are arranged on the upper end of the base 11 on the same side as the positioning support columns 14, the winding rollers 16 are arranged between the inner walls on two sides of the installation grooves 15, the driving motor 17 is installed on the side wall of the base 11 on one end of the winding rollers 16, a lifting rope 18 is wound on the outer wall of the winding roll 16, and one end of the lifting rope 18 far away from the winding roll 16 is fixedly connected with the detection device 2.
A storage battery box 19 is arranged at the top end edge of one side of the base 11 close to the handle 13, the storage battery box 19 is arranged close to the port of the mounting groove 15, a storage battery is arranged inside the storage battery box 19, a controller 110 is arranged on the outer wall of one side of the storage battery box 19, and the controller 110 is electrically connected with the storage battery inside the storage battery box 19 through a lead; the utility model discloses a lifting rope 18, including mounting groove 15 port department, the base 11 both sides outer wall of mounting groove 15 port department is last respectively parallel arrangement integrative fixed plate 111, fixed plate 111 is kept away from between the lateral wall of mounting groove 15 port one end and is provided with connecting rod 112, leading wheel 113 has been cup jointed in the activity on connecting rod 112's the outer wall, leading wheel 113 adopts free rotation's mode, the low resistance bearing of inside configuration, and leading wheel 113 is major diameter slot type structure, the slot of leading wheel 113 upper end carries out spacing support to lifting rope 18.
Referring to fig. 3, an apparatus for elastic wave imaging tomography detection of karst geology, a lifting rope 18 includes an inner core 181, an inner shell 182, a wire mesh cover 183 and an outer shell 184, the inner shell 182 is wrapped and sleeved on an outer wall of the inner core 181, the wire mesh cover 183 is wrapped and wrapped on an outer wall of the inner shell 182, the outer shell 184 is wrapped and disposed on an outer wall of the wire mesh cover 183, and the inner shell 182 and the outer shell 184 are members made of polyethylene rubber materials and resin materials, respectively.
Referring to fig. 4, 5, 6, 7 and 9, a device for detecting karst geology by elastic wave imaging chromatography, the detecting device 2 includes an installation barrel base 21, a slot 22, a CT detector 23, a limiting block 24 and a balancing mechanism 25, the top end of the installation barrel base 21 is fixedly connected with one end of a lifting rope 18 far away from a winding roll 16, the inner wall of the installation barrel base 21 is provided with a slot 22, two ends of the slot 22 are provided with notches extending to the port of the installation barrel base 21, the limiting blocks 24 are respectively arranged on the outer walls of two sides of the top end of the CT detector 23 corresponding to the notches, the limiting blocks 24 and the CT detector 23 are of an integrated structure, the top end of the CT detector 23 is fixed in the inner cavity of the installation barrel base 21 by the limiting block 24 matching with the slot 22, the CT detector 23 is fixed in the inner cavity of the installation barrel base 21 by the limiting block 24 arranged on the side wall of the top end, the limiting, the movable block 27 is pushed by the connecting spring 26 to clamp the CT detector 23, so that the mounting stability of the CT detector 23 is ensured, the CT detector 23 is convenient to mount and dismount quickly, and the side walls of the CT detector 23 at the lower end of the mounting barrel seat 21 are respectively provided with an integrated balance mechanism 25 in a cross-shaped symmetrical manner; the lower end of the top plate of the mounting cylinder seat 21 is fixedly connected with a connecting spring 26, the lower end of the connecting spring 26 is provided with an integrated movable block 27, the movable block 27 is in interference fit with the inner wall of the mounting cylinder seat 21, and when the connecting spring 26 keeps a normal relaxation state, the movable block 27 is suspended at the clamping groove 22; an integrated wireless transmission module 28 is arranged on the outer wall of one side of the CT detector 23, the wireless transmission module 28 is electrically connected with the CT detector 23 through a data line, an RF2915 type wireless transceiver chip is arranged in the wireless transmission module 28, and the wireless transmission module 28 is connected with a mobile PC (personal computer) end of a worker through the wireless transceiver chip to transmit data.
Referring to fig. 5 and 8, an elastic wave imaging tomography apparatus for detecting karst geology, wherein the equalizing mechanism 25 includes a fixed cylinder 251, a buffer spring 252, a piston disc 253, a movable push rod 254 and a head 255, the fixed cylinder 251 is respectively disposed on the side wall of the CT detector 23 in a cross-shaped symmetrical manner, the buffer spring 252 is disposed on the inner wall of one side of the fixed cylinder 251 corresponding to the port, the end of the buffer spring 252 far away from the inner wall of the fixed cylinder 251 is fixedly connected to the side wall of the piston disc 253, the piston disc 253 is in interference fit with the inner wall of the fixed cylinder 251, the outer wall of one side of the piston disc 253 far away from the buffer spring 252 is provided with an integral movable push rod 254, one end of the movable push rod 254 far away from the piston disc 253 extends to the outside of the port of the fixed cylinder 251, the end is fixedly connected with an integral head 255, a cavity 256 is disposed inside the head 255, the cavity 256 is of, the ball 257 is a hollow structure, the ball 257 is matched with the cavity 256, the ball 257 is far away from a through hole 258 on the side wall of one end of the movable push rod 254 through the end 255 and extends to the outside of the through hole, when the CT detector 23 enters a drilled hole, the end 255 is pushed to compress the buffer spring 252 by using the movable push rod 254, the ball 257 is tightly attached to the inner wall of the drilled hole under the diastolic force action of the buffer spring 252 after the CT detector 23 completely enters the drilled hole, when the CT detector 23 descends in the drilled hole, the ball 257 rolls on the inner wall of the drilled hole, and the stability of the CT detector 23 when descending is ensured, so.
In summary, the following steps: according to the method and the device for detecting the karst geology by elastic wave imaging chromatography, the lifting rope 18 is installed at the upper end of the base 11 by utilizing the matching of the installation groove 15, the winding roller 16 and the driving motor 17, the lifting rope 18 is designed to be of a multilayer structure with the inner core 181, the inner shell sleeve 182, the metal wire mesh sleeve 183 and the outer shell sleeve 184, the outer shell sleeve 184 made of resin materials is good in wear resistance, a layer of rubber inner shell sleeve 182 is arranged in the outer shell sleeve for protection, the metal wire mesh sleeve 183 prevents sharp objects from scratching the outer shell sleeve 184 and continuing to deeply injure the inner core 181 of the lifting rope 18, the safety of the inner core 181 is fully ensured, and the risk that the detection device 2 is damaged due to breakage of the lifting rope 18 is avoided; a movable block 27 is installed at the lower end of a top plate of the installation cylinder seat 21 by using a connecting spring 26, a clamping groove 22 is formed in the inner wall of the installation cylinder seat 21, the CT detector 23 is clamped and installed in the inner cavity of the installation cylinder seat 21 through a limiting block 24 arranged on the side wall of the top end, and after the limiting block 24 is clamped and fixed in the inner cavity of the clamping groove 22, the movable block 27 is extruded and pushed by the connecting spring 26 to clamp the CT detector 23, so that the installation stability of the CT detector 23 is ensured, and the quick assembly and disassembly of the CT detector 23 are facilitated; the balancing mechanisms 25 are symmetrically arranged on the side wall of the CT detector 23 in a cross shape, the end 255 is arranged on the side wall of the CT detector 23 by matching the fixed cylinder 251, the buffer spring 252, the piston disc 253 and the movable push rod 254, the cavity 256 is arranged in the end 255 to install the round ball 257, the round ball 257 extends to the outside of the end 255 through the through hole 258 on the side wall of the end 255, when the CT detector 23 enters a drilled hole, the end 255 is pushed to compress the buffer spring 252 by using the movable push rod 254, the round ball 257 is tightly attached to the inner wall of the drilled hole under the diastolic force of the buffer spring 252 after the CT detector 23 completely enters the drilled hole, and when the CT detector 23 descends in the drilled hole, the round ball 257 rolls on the inner wall, so that the stability of the CT detector 23 when descending is ensured, the problem of shaking of the detection equipment proposed in the background technology.
In one embodiment, an automatic alarm device is further disposed on the fixing device 1, and the automatic alarm device includes:
a controller provided on the fixture 1;
the alarm is arranged on the fixing device 1;
a first detecting device, which is arranged on the winding roll 16 and is used for detecting the pressure of the lifting rope 18 on the winding roll 16;
the second detection device is arranged on the detection device 2 and used for detecting the radius of the drilled hole;
the third detection device is arranged on the detection device 2 and used for detecting an included angle between the axis of the drill hole and the horizontal plane;
the fourth detection device is arranged on the detection device 2 and is used for detecting the distance from the detection device 2 to the ground;
the controller is connected with alarm, first detection device, second detection device, third detection device, fourth detection device electricity, the controller is based on first detection device, second detection device, third detection device, fourth detection device detection value control alarm and report to the police, includes following step:
step 1, calculating the elastic elongation l of the lifting rope 18 according to the detection values of the first detection device, the second detection device, the third detection device and the fourth detection device and a formula (1);
wherein a is the radius of the lifting rope 18, b is the detection value of the second detection device, theta is the detection value of the third detection device, and E is the elastic modulus of the lifting rope 18; l is a value detected by the fourth detecting means, cos is a cosine of the angle, tan is a tangent of the angle, F is a value detected by the first detecting means, L is a value detected by the fourth detecting means, and0the length of the lifting rope (18) is represented by pi, and the value of pi is 3.14; 45 represents 45 °; wherein exp is an exponential function with e as a base number, and exp is a constant, and e is 2.718281828;
Wherein exp is an exponential function taking e as a base number, exp is a constant, and e is 2.718281828, and sin is a sine value of an angle;
and 3, comparing the pulling force value of the lifting rope 18 calculated in the step 2 with a preset maximum pulling force value by the controller, and controlling an alarm to give an alarm by the controller when the pulling force value of the lifting rope 18 calculated in the step 2 is greater than the preset maximum pulling force value.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, calculating the elastic elongation of the lifting rope 18 according to the detection values of the first detection device, the second detection device, the third detection device and the fourth detection device and a formula (1), considering that the angle between a drill hole and the horizontal ground can influence the friction force between the detection devices and the drill hole, and further impression the pressure on the lifting rope 18, so that the included angle between the drill hole and the horizontal plane needs to be detected, the radius of the drill hole is different, the friction force between the detection devices and the drill hole is influenced, and further impression the pressure on the lifting rope 18, so that the radius of the drill hole needs to be detected, then calculating the tension on the lifting rope 18 according to the calculation result of the step (1) and the formula (2), finally, comparing the tension value calculated in the step (2) with the preset value of the maximum tension value by a controller, when the tension value calculated in the step (2) is greater than the preset value, controlling an alarm to give an alarm, and, the continuous winding of the lifting rope 18 can break the lifting rope 18, and the device can give an alarm when the lifting rope 18 is stressed too much, so as to remind workers that the detection device 2 can be clamped and protect the safety of the device.
In one embodiment, the fixing device 1 comprises an upper case 001 and a lower case 002, the detecting device 2 is disposed on the upper case 001, and an adjusting device is further disposed between the upper case 001 and the lower case 002, the adjusting device comprises:
the adjusting motor 003 is arranged in the lower box body 002 and is fixedly connected with the lower box body 002;
a first rotating rod 004, wherein the first rotating rod 004 is arranged at the output end of the regulating motor 003, and one end of the first rotating rod 004 is fixedly connected with the regulating motor 003;
a first gear 005, wherein the first gear 005 is arranged at the other end of the first rotating rod 004, and the first gear 005 is fixedly connected with the first rotating rod 004;
the second rotating rod 006 is arranged in the lower box 002, one end of the second rotating rod 006 is rotatably connected with the lower wall of the lower box 002 through a bearing, and the other end of the second rotating rod 006 penetrates through the upper wall of the lower box 002 and is rotatably connected with the upper wall of the lower box 002 through a bearing;
the second gear 007 is arranged on the second rotating rod 006, the second gear 007 is fixedly connected with the second rotating rod 006, and the second gear 007 is in meshing transmission with the first gear 005;
a horizontal plate 008, wherein the horizontal plate 008 is disposed at the other end of the second rotary bar 006, and a lower surface of the horizontal plate 008 is fixedly connected to the second rotary bar 006;
the sliding chutes 011 are arranged on the horizontal plate 008 and fixedly connected with the horizontal plate 008;
the electric telescopic rods 009 are arranged on the sliding groove 011, one ends of the electric telescopic rods 009 are connected with the sliding groove 011 in a sliding manner, and the other ends of the electric telescopic rods 009 are fixedly connected with the lower wall of the upper box 001;
the mounting seat 012 is fixedly connected to the horizontal plate 008;
an electric push rod 013, wherein the electric push rod 013 is arranged on the mounting seat 012, and one end of the electric push rod 013 is fixedly connected with the side surface of the mounting seat 012;
one side of the push plate 010 is fixedly connected with the other end of the electric push rod 013, and the other side of the push plate 010 is fixedly connected with the electric telescopic rod 009.
The working principle and the beneficial effects of the technical scheme are as follows: when using the device, electric telescopic handle 009 extends, box 001 rebound in the drive, it drives 2 rebound of detecting device to go up box 001, then open accommodate motor 003, accommodate motor 003 drives first rotation axis and rotates, first rotation axis drives first gear 005 and rotates, first gear 005 drives second gear 007 and rotates, second gear 007 drives second rotary rod 006 and rotates, second rotary rod 006 drives horizontal plate 008 and rotates, horizontal plate 008 drives box 001 and rotates, it drives 2 rotations of detecting device to go up box 001, control electric putter 013 extends, can drive box 001 and slide forward, make detecting device 2's detection range increase, the device can be under the condition that does not change fixing device 1, detect a plurality of drilling around fixing device 1, the work efficiency of the improvement device.
In one embodiment, a method for implementing an apparatus for elastic wave imaging tomography for detection of karst geology includes the steps of:
the method comprises the following steps: pressing the handle 13 to slightly tilt one end of the base 11 close to the positioning support column 14, pushing or pulling the end to a karst detection point through the roller 12 by using the handle 13, suspending the guide wheel 113 above a karst detection drill hole, and then placing the positioning support column 14 to contact the ground for fixing;
step two: starting a driving motor 17, driving a winding roller 16 to rotate by the driving motor 17 to release a lifting rope 18 to suspend the detection device 2 at the port of the drill hole, manually correcting a CT detector 23 after the driving motor 17 is suspended, enabling a ball 257 at the tail end of an equalizing mechanism 25 on the side wall of the CT detector to be respectively attached to the inner wall of the drill hole, and suspending the CT detector 23 in the inner cavity of the drill hole;
step three: restarting the driving motor 17, driving the winding roller 16 to rotate by the driving motor 17, continuously releasing the lifting rope 18, stably conveying the CT detector 23 to the deep part of the drilled hole through gravity, and stopping the driving motor 17;
step four: the CT detector 23 emits elastic waves at the deep part of the drill hole to detect the karst, and transmits the karst data detected by the elastic waves to a PC end of a worker through a wireless transmission module 28 on the side wall, and the PC end receives the data and generates a karst layer section image for research;
step five: and starting the driving motor 17, selecting the driving motor 17 to reversely rotate to drive the winding roller 16 to wind the lifting rope 18 to lift the CT detector 23 to be lifted out of the drilled hole, moving the equipment to the next detection point, and repeating the steps from the first step to the fourth step.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an elastic wave imaging chromatography surveys karst geological device, includes fixing device (1) and detecting device (2), and detecting device (2) are installed on fixing device (1), its characterized in that: the fixing device (1) comprises a base (11), rollers (12), a handle (13), positioning support columns (14), mounting grooves (15), a winding roller (16), a driving motor (17) and a lifting rope (18), wherein the rollers (12) are respectively arranged on two sides of one end of the base (11) through pin shafts, the handle (13) is arranged on the outer wall of the base (11) on the same side with the rollers (12), the positioning support columns (14) are respectively and fixedly connected to two sides of the bottom of one end, far away from the rollers (12), of the base (11), the mounting grooves (15) are formed in the upper end of the base (11) on the same side with the positioning support columns (14), the winding roller (16) is arranged between the inner walls of two sides of the mounting grooves (15), the driving motor (17) is mounted on the side wall of the base (11) on one end of the winding roller (16) through a fixing bolt, a transmission shaft of the, a lifting rope (18) is wound on the outer wall of the winding roll (16), and one end, far away from the winding roll (16), of the lifting rope (18) is fixedly connected with the detection device (2);
the detection device (2) comprises a mounting cylinder seat (21), a clamping groove (22), a CT detector (23), a limiting block (24) and a balancing mechanism (25), the top end of the mounting cylinder seat (21) is fixedly connected with one end of the lifting rope (18) far away from the winding roll (16), and the inner wall of the mounting cylinder seat (21) is provided with a clamping groove (22), two ends of the clamping groove (22) are provided with notches, the notches extend to the port part of the mounting cylinder seat (21), the outer walls at two sides of the top end of the CT detector (23) are respectively provided with a limiting block (24) corresponding to the notches, the limiting blocks (24) and the CT detector (23) form an integrated structure, and the top end of the CT detector (23) is clamped and fixed in the inner cavity of the mounting cylinder seat (21) through a limiting block (24) matched with the clamping groove (22), and the side walls of the CT detector (23) at the lower end of the mounting cylinder seat (21) are respectively provided with an integrated balance mechanism (25) in a cross-shaped symmetrical manner.
2. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: the base (11) is provided with a storage battery box (19) close to the top edge of one side of the handle (13), the storage battery box (19) is arranged close to the port of the mounting groove (15), a storage battery is arranged inside the storage battery box (19), a controller (110) is installed on the outer wall of one side of the storage battery box (19), and the controller (110) is electrically connected with the storage battery inside the storage battery box (19) through a lead.
3. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: parallel arrangement has integrative fixed plate (111) side by side respectively on base (11) both sides outer wall of mounting groove (15) port department, and fixed plate (111) are kept away from between the lateral wall of mounting groove (15) port one end and are provided with connecting rod (112), leading wheel (113) have been cup jointed in the activity on the outer wall of connecting rod (112), and leading wheel (113) adopt free rotation's mode, and the low resistance bearing of internal configuration, and leading wheel (113) are major diameter slot formula structure, and the slot of leading wheel (113) upper end carries out spacing support to lifting rope (18), driving motor (17) are positive and negative rotation step motor, and its type is YFB2-80M, and driving motor (17) pass through the wire respectively with electric storage battery and controller (110) within electric connection between electric storage box (19).
4. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: the lifting rope (18) comprises an inner core (181), an inner shell sleeve (182), a metal wire mesh sleeve (183) and an outer skin sleeve (184), the inner shell sleeve (182) is sleeved on the outer wall of the inner core (181), the metal wire mesh sleeve (183) is wound and wrapped on the outer wall of the inner shell sleeve (182), the outer skin sleeve (184) is wrapped and arranged on the outer wall of the metal wire mesh sleeve (183), and the inner shell sleeve (182) and the outer skin sleeve (184) are members made of polyethylene rubber materials and resin materials respectively.
5. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: the lower end of a top plate of the mounting barrel seat (21) is fixedly connected with a connecting spring (26), the lower end of the connecting spring (26) is provided with an integrated movable block (27), the movable block (27) is in interference fit with the inner wall of the mounting barrel seat (21), and when the connecting spring (26) keeps a normal relaxation state, the movable block (27) is suspended at the clamping groove (22).
6. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: an integrated wireless transmission module (28) is arranged on the outer wall of one side of the CT detector (23), the wireless transmission module (28) is electrically connected with the CT detector (23) through a data line, an RF2915 type wireless transceiver chip is arranged in the wireless transmission module (28), and the wireless transmission module (28) is connected with a mobile PC (personal computer) end of a worker through the wireless transceiver chip to transmit data.
7. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: the equalizing mechanism (25) comprises a fixed cylinder (251), buffer springs (252), a piston disc (253), movable push rods (254) and an end head (255), the fixed cylinder (251) is respectively arranged on the side wall of the CT detector (23) in a cross symmetry manner, the buffer springs (252) are respectively arranged on the inner wall of one side of the fixed cylinder (251) corresponding to the port, one ends of the buffer springs (252) far away from the inner wall of the fixed cylinder (251) are fixedly connected to the side wall of the piston disc (253), the piston disc (253) is in interference fit with the inner wall of the fixed cylinder (251), the outer wall of one side of the piston disc (253) far away from the buffer springs (252) is provided with the integrated movable push rods (254), one ends of the movable push rods (254) far away from the piston disc (253) extend to the outside of the port of the fixed cylinder (251), the tail ends of the movable push rods (255) are fixedly connected with the integrated, the cavity (256) is of a spherical structure, a round ball (257) is fixedly clamped in the cavity (256), the round ball (257) is of a hollow structure, the round ball (257) is matched with the cavity (256), and the round ball (257) is far away from a through hole (258) in the side wall of one end of the movable push rod (254) through the end head (255) and extends to the outside of the through hole.
8. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: still set up automatic alarm device on fixing device (1), automatic alarm device includes:
a controller arranged on the fixture (1);
the alarm is arranged on the fixing device (1);
the first detection device is arranged on the winding roll (16) and used for detecting the pressure of the lifting rope (18) on the winding roll (16);
the second detection device is arranged on the detection device (2) and is used for detecting the radius of the drilled hole;
the third detection device is arranged on the detection device (2) and is used for detecting an included angle between the axis of the drill hole and the horizontal plane;
the fourth detection device is arranged on the detection device (2) and is used for detecting the distance from the detection device (2) to the ground;
the controller is connected with alarm, first detection device, second detection device, third detection device, fourth detection device electricity, the controller is based on first detection device, second detection device, third detection device, fourth detection device detection value control alarm and report to the police, includes following step:
step 1, calculating the elastic elongation l of a lifting rope (18) according to detection values of a first detection device, a second detection device, a third detection device and a fourth detection device and a formula (1);
wherein a is the radius of the lifting rope (18), b is the detection value of the second detection device, theta is the detection value of the third detection device, and E is the elastic modulus of the lifting rope (18); l is a value detected by the fourth detecting means, cos is a cosine of the angle, tan is a tangent of the angle, F is a value detected by the first detecting means, L is a value detected by the fourth detecting means, and0the length of the lifting rope (18) is represented by pi, and the value of pi is 3.14; wherein exp is an exponential function with e as a base number, and exp is a constant, and e is 2.718281828;
step 2, calculating a pulling force value F borne by the lifting rope (18) according to the calculation result of the step 1 and a formula (2)0；
Wherein exp is an exponential function taking e as a base number, exp is a constant, e is taken as 2.718281828, and sin is the sine value of an angle;
and 3, comparing the pulling force value of the lifting rope (18) calculated in the step 2 with a preset maximum pulling force value by the controller, and controlling an alarm to give an alarm by the controller when the pulling force value of the lifting rope (18) calculated in the step 2 is greater than the preset maximum pulling force value.
9. The apparatus for elastic wave imaging tomography of litholytic geology as claimed in claim 1, wherein: fixing device (1) includes box (001) and lower box (002), detecting device (2) set up on last box (001), go up box (001) and still set up adjusting device down between box (002), adjusting device includes:
the adjusting motor (003) is arranged in the lower box body (002) and is fixedly connected with the lower box body (002);
the first rotating rod (004), the first rotating rod (004) is arranged at the output end of the regulating motor (003), and one end of the first rotating rod (004) is fixedly connected with the regulating motor (003);
a first gear (005), wherein the first gear (005) is arranged at the other end of the first rotating rod (004), and the first gear (005) is fixedly connected with the first rotating rod (004);
the second rotating rod (006) is arranged in the lower box body (002), one end of the second rotating rod (006) is rotatably connected with the lower wall of the lower box body (002) through a bearing, and the other end of the second rotating rod (006) penetrates through the upper wall of the lower box body (002) and is rotatably connected with the upper wall of the lower box body (002) through a bearing;
the second gear (007) is arranged on the second rotating rod (006), the second gear (007) is fixedly connected with the second rotating rod (006), and the second gear (007) is in meshing transmission with the first gear (005);
the horizontal plate (008) is arranged at the other end of the second rotating rod (006), and the lower surface of the horizontal plate (008) is fixedly connected with the second rotating rod (006);
the sliding chutes (011) are arranged on the horizontal plate (008) and fixedly connected with the horizontal plate (008);
the electric telescopic rods (009) are arranged on the sliding groove (011), one ends of the electric telescopic rods (009) are connected with the sliding groove (011) in a sliding manner, and the other ends of the electric telescopic rods (009) are fixedly connected with the lower wall of the upper box body (001);
the mounting seat (012), the mounting seat (012) is fixedly connected on the horizontal plate (008);
the electric push rod (013) is arranged on the mounting seat (012), and one end of the electric push rod (013) is fixedly connected with the side surface of the mounting seat (012);
the electric push rod is characterized by comprising a push plate (010), one surface of the push plate (010) is fixedly connected with the other end of the electric push rod (013), and the other surface of the push plate (010) is fixedly connected with the electric telescopic rod (009).
10. A method of implementation of the elastic wave imaging tomography apparatus of any one of claims 1-9 for detection of karst geology comprising the steps of:
s1: pressing a handle (13) to slightly tilt one end of a base (11) close to a positioning support column (14), pushing or pulling the base to a karst detection point through a roller (12) by using the handle (13), suspending a guide wheel (113) above a karst detection drill hole, and then placing the positioning support column (14) to contact the ground for fixing;
s2: starting a driving motor (17), driving a winding roller (16) to rotate by the driving motor (17) to release a lifting rope (18) to suspend the detection device (2) at the port of the drilled hole, and manually correcting a CT detector (23) after the driving motor (17) is suspended, so that a ball (257) at the tail end of a balancing mechanism (25) on the side wall of the CT detector is respectively attached to the inner wall of the drilled hole, and the CT detector (23) is suspended in the inner cavity of the drilled hole;
s3: restarting the driving motor (17), driving the winding roller (16) to rotate by the driving motor (17) to continuously release the lifting rope (18), stably conveying the CT detector (23) to the deep part of the drilled hole through gravity, and stopping the driving motor (17);
s4: the CT detector (23) emits elastic waves at the deep part of a drill hole to detect the karst, detected karst data are transmitted to a PC end of a worker through a wireless transmission module (28) on the side wall, and the PC end receives the data and generates a karst layer section image for research;
s5: and starting the driving motor (17), selecting the driving motor (17) to reversely rotate to drive the winding roller (16) to wind the lifting rope (18) to lift the CT detector (23) to be lifted out of the drilled hole, moving the equipment to the next detection point and repeating the steps S1-S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125106.6A CN112285762A (en) | 2020-10-20 | 2020-10-20 | Method and device for detecting karst geology by elastic wave imaging chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125106.6A CN112285762A (en) | 2020-10-20 | 2020-10-20 | Method and device for detecting karst geology by elastic wave imaging chromatography |
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| CN112285762A true CN112285762A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011125106.6A Withdrawn CN112285762A (en) | 2020-10-20 | 2020-10-20 | Method and device for detecting karst geology by elastic wave imaging chromatography |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115540975A (en) * | 2022-10-18 | 2022-12-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Karst groundwater water level fluctuation abnormity early warning device |
| CN116299745A (en) * | 2023-05-25 | 2023-06-23 | 广州海洋地质调查局三亚南海地质研究所 | Complex terrain surveying equipment for karst geology research and surveying method thereof |
-
2020
- 2020-10-20 CN CN202011125106.6A patent/CN112285762A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115540975A (en) * | 2022-10-18 | 2022-12-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Karst groundwater water level fluctuation abnormity early warning device |
| CN115540975B (en) * | 2022-10-18 | 2023-06-13 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Karst groundwater water level fluctuation abnormity early warning device |
| CN116299745A (en) * | 2023-05-25 | 2023-06-23 | 广州海洋地质调查局三亚南海地质研究所 | Complex terrain surveying equipment for karst geology research and surveying method thereof |
| CN116299745B (en) * | 2023-05-25 | 2023-08-18 | 广州海洋地质调查局三亚南海地质研究所 | Complex terrain surveying equipment for karst geology research and surveying method thereof |
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Application publication date: 20210129 |