CN118091628A - Radar device and method for detecting coal seam structure graph - Google Patents
Radar device and method for detecting coal seam structure graph Download PDFInfo
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- CN118091628A CN118091628A CN202410501253.0A CN202410501253A CN118091628A CN 118091628 A CN118091628 A CN 118091628A CN 202410501253 A CN202410501253 A CN 202410501253A CN 118091628 A CN118091628 A CN 118091628A
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Abstract
The invention relates to the technical field of coal seam detection, and particularly discloses a radar device and a radar method for detecting a coal seam structure graph, wherein the radar device comprises a scanning main rod and an ultrasonic scanning assembly, and the ultrasonic scanning assembly comprises a transmitter, a receiver and a matched electric device; the ultrasonic scanning device is characterized in that a plurality of ultrasonic scanning assemblies are uniformly and vertically arranged on the first ultrasonic mounting plate and the second ultrasonic mounting plate; the end parts of the first ultrasonic mounting plate and the second ultrasonic mounting plate are provided with anti-interference columns, and the anti-interference columns are movably connected with the second ultrasonic mounting plate and fixedly connected with the first ultrasonic mounting plate; when the cavity is unexpected, the protection telescopic rod is judged to extend out of the protection telescopic rod through the violent abnormal fluctuation detected by the vibration sensor or the ultrasonic waves, the first ultrasonic mounting plate is sacrificed, and the second ultrasonic mounting plate is rescued to finish floating.
Description
Technical Field
The invention relates to the technical field of coal seam detection, in particular to a radar device and a radar method for detecting a coal seam structure pattern.
Background
The coal seam structure refers to the existence of gangue in the coal seam. The coal bed without the gangue is called a simple structure coal bed, the coal bed with the gangue is called a more complex structure coal bed or a complex structure coal bed, and the coal bed structure is generally divided into four types of simple, simpler, more complex and complex;
An accurate detection device and method for a complex coal seam structure of a working face, for example, a Chinese publication No. CN115079163A, comprises a movable trolley platform, a hydraulic lifting system, a rotating mechanism and a ground penetrating radar system; the movable trolley platform comprises wheels, a U-shaped supporting plate, a trolley bottom plate and a triaxial acceleration sensor; the hydraulic lifting system consists of an electric pump, a support rod piece and a hydraulic oil cylinder; the rotating mechanism comprises a rotating underframe, a cantilever rod and a ball hinging structure; the ground penetrating radar system comprises a radar antenna and a radar host which integrate transmission and reception, and the scheme ensures the detection precision and increases the detection distance by carrying out data fusion on the detection results of the radar antenna with various frequencies;
in the prior art, although the detection effect is achieved, the detection effect is not good, when the detection is performed deeply, the detection head needs to be penetrated into the hole, but the probe at the moment can shake with poorer precision, and due to the complexity of the coal bed, no protection measures exist when the risk occurs.
Disclosure of Invention
The invention aims to provide a radar device and a radar method for detecting coal seam structure patterns, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the radar device for detecting the coal seam structure graph comprises a scanning main rod and an ultrasonic scanning assembly, wherein the ultrasonic scanning assembly comprises a transmitter, a receiver and a matched electric device, the electric device comprises a wireless transmission module, and a battery is arranged in the scanning main rod;
Further comprises:
the suspension pipe is used for adjusting the direction and improving the buoyancy and is arranged at one end of the scanning main rod;
the gravity hammer is used for pulling the scanning main rod to enable the scanning main rod to form a gravity hammer for balancing stress and is arranged at one end of the suspension pipe, and a pulling mechanism for balancing the stress of the scanning main rod is arranged on the gravity hammer;
Two opposite first ultrasonic mounting plates and two other opposite second ultrasonic mounting plates are arranged on the scanning main rod, and a plurality of ultrasonic scanning assemblies are uniformly and vertically arranged on the first ultrasonic mounting plates and the second ultrasonic mounting plates;
The anti-interference column is arranged at the end parts of the first ultrasonic mounting plate and the second ultrasonic mounting plate, and is movably connected with the second ultrasonic mounting plate and fixedly connected with the first ultrasonic mounting plate.
The second ultrasonic mounting plate is movably connected with the scanning main rod, and a protection telescopic rod is arranged between the first ultrasonic mounting plate and the scanning main rod.
Preferably, the material densities of the first ultrasonic mounting plate and the second ultrasonic mounting plate are smaller than the density of water, and the floating can be independently completed after the ultrasonic scanning assembly is additionally arranged.
Preferably, the suspension pipe is of a cavity structure, electromagnetic valves are arranged on two sides of the suspension pipe, and one end of each electromagnetic valve in the suspension pipe is connected with a pump.
Preferably, a pulling mechanism is mounted on the gravity hammer.
Preferably, the pulling mechanism comprises a coiling wheel, a motor wheel is arranged in the coiling wheel, a rope is coiled on the coiling wheel, and one end of the rope is connected to the suspension tube.
Preferably, a limiting part is arranged between the second ultrasonic mounting plate and the anti-interference column, the second ultrasonic mounting plate is limited on the anti-interference column, and if collapse occurs, the limiting between the anti-interference column and the second ultrasonic mounting plate is synchronously released when the first ultrasonic mounting plate is pushed out by the protection telescopic rod, so that the second ultrasonic mounting plate automatically floats upwards under the buoyancy of water.
Preferably, the limiting part comprises a locking inserted bar connected to the anti-interference column and a locking slot arranged on the second ultrasonic mounting plate, and the locking inserted bar is matched with the locking slot in size.
Preferably, a firing spring is mounted to a face of the suspension tube facing the gravity hammer.
Preferably, one end of the scanning main rod far away from the suspension tube is connected with a rope, and one end of the rope is connected with a winding disc wheel.
The application method of the radar device for detecting the coal seam structure pattern is applied to any one of the above steps, and comprises the following steps:
s1: firstly, drilling a region to be scanned through drilling equipment, and forming a scanning cavity;
s2: then continuously pouring water into the scanning cavity and overflowing;
S3: aligning the gravity hammer to the hole, enabling the motor wheel on the coiling wheel not to be coiled any more, injecting the gravity hammer into the scanning cavity under the action of the emission spring, and sinking into the bottom of the cavity under the action of gravity;
S4: then placing the scanning device into a scanning cavity, suspending the device in water through a suspension pipe, transmitting and receiving echoes to the inner wall of the scanning cavity by using one ultrasonic assembly, and determining the position of the ultrasonic assembly and the scanning cavity wall;
s5: during scanning, the coiling wheel is started, the coiling wheel pulls the suspension tube, the device forms stress balance under the buoyancy of the suspension tube and the tension of the coiling wheel, the ultrasonic scanning assembly on the first ultrasonic mounting plate and the second ultrasonic mounting plate descends at a uniform speed in a straight line, at the moment, ultrasonic waves are emitted to the surrounding four directions, and the waves are received back to form information.
The invention has at least the following beneficial effects:
1. When the cavity channel is unexpected, the arranged protective telescopic rod is judged to extend out of the protective telescopic rod through severe abnormal fluctuation detected by the vibration sensor or ultrasonic waves, the first ultrasonic mounting plate is sacrificed, and rescue is carried out on the second ultrasonic mounting plate to finish floating; the arranged pulling mechanism can pull the scanning main rod at the water bottom, so that the scanning main rod is in a stress balance state, and shaking of the ultrasonic scanning assembly in the descending process is avoided;
2. The inside of the anti-interference column can be metal capable of absorbing sound waves during normal use, and the periphery of the anti-interference column is sleeved with soft sound absorbing materials, so that the influence of sound waves between every two anti-interference columns is avoided, and when accidents occur, the anti-interference column is a flexible protection structure; the limiting part is used for limiting the second ultrasonic mounting plate when no accident occurs, so that the second ultrasonic mounting plate and the first ultrasonic mounting plate form a four-way ultrasonic scanning range, and the limiting part is used for synchronously releasing the limiting along with the extension protection of the first ultrasonic mounting plate when the accident occurs, so that the second ultrasonic mounting plate automatically escapes;
3. The spring can store the elasticity when the coiling wheel is pulled through the arranged transmitting spring, and the spring is transmitted under the action of the stored elasticity after the coiling wheel loses power, and the spring is matched with the self weight to form impact on the bottom of the scanning cavity, so that the spring is stably deposited at the bottom of the scanning cavity; according to the scheme, the rope pulling device is additionally arranged above the scanning main rod to pull the upper end of the scanning main rod, and the scanning main rod can be in a straight state by being matched with the pulling of the lower end, so that the scanning main rod can be linearly lowered.
Drawings
FIG. 1 is a schematic perspective view of a scanning boom according to an embodiment of the present invention;
FIG. 2 is a schematic view of a structure in which a scanning main rod is disposed in a scanning cavity according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the present invention shown in FIG. 2 at a partially enlarged scale;
FIG. 4 is a schematic view of a gravity hammer releasing structure of a scanning main bar according to an embodiment of the present invention;
FIG. 5 is a schematic top view of a scanning boom according to an embodiment of the present invention;
FIG. 6 is a schematic diagram showing a separated top view of a first ultrasonic mounting plate and a second ultrasonic mounting plate according to an embodiment of the present invention;
FIG. 7 is a schematic view showing a separation structure of a first ultrasonic mounting plate and a second ultrasonic mounting plate in a scanning chamber according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a structure in which a scanning main rod is disposed in a scanning cavity according to a second embodiment of the present invention.
In the figure: 1. scanning the main rod; 101. a first ultrasonic mounting plate; 102. an anti-interference column; 103. a second ultrasonic mounting plate; 104. locking the inserted link; 105. locking the slot; 106. a protective telescopic rod; 2. a suspension tube; 201. a firing spring; 202. an electromagnetic valve; 3. a gravity hammer; 301. and (5) coiling wheels.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-7, a radar device for detecting a coal seam structure pattern comprises a scanning main rod 1 and an ultrasonic scanning assembly, wherein the ultrasonic scanning assembly comprises a transmitter, a receiver and a matched electric device, the electric device comprises a wireless transmission module and a controller, and a battery is arranged in the scanning main rod 1; the device also comprises a suspension pipe 2, wherein the suspension pipe 2 for adjusting the direction and improving the buoyancy is arranged at one end of the scanning main rod 1; the gravity hammer 3 is used for pulling the scanning main rod 1 to enable the scanning main rod 1 to form a gravity hammer 3 for balancing stress, the gravity hammer 3 is arranged at one end of the suspension tube 2, and a pulling mechanism for balancing the stress of the scanning main rod 1 is arranged on the gravity hammer 3; two opposite first ultrasonic mounting plates 101 and two other opposite second ultrasonic mounting plates 103 are arranged on the scanning main rod 1, and a plurality of ultrasonic scanning assemblies are uniformly and vertically arranged on the first ultrasonic mounting plates 101 and the second ultrasonic mounting plates 103; the ends of the first ultrasonic mounting plate 101 and the second ultrasonic mounting plate 103 are provided with anti-interference columns 102, and the anti-interference columns 102 are movably connected with the second ultrasonic mounting plate 103 and fixedly connected with the first ultrasonic mounting plate 101;
The second ultrasonic mounting plate 103 is movably connected with the scanning main rod 1, and a protective telescopic rod 106 is arranged between the first ultrasonic mounting plate 101 and the scanning main rod 1; when the cavity is unexpected, the arranged protective telescopic rod 106 judges and stretches out of the protective telescopic rod 106 through the violent abnormal fluctuation detected by the vibration sensor or the ultrasonic waves by self, the first ultrasonic mounting plate 101 is sacrificed, and the second ultrasonic mounting plate 103 is rescued to finish floating;
The material densities of the first ultrasonic mounting plate 101 and the second ultrasonic mounting plate 103 are smaller than the density of water, and the floating can be independently completed after the ultrasonic scanning assembly is additionally arranged; the interior of the suspension tube 2 is a cavity structure;
The gravity hammer 3 is provided with a pulling mechanism, the pulling mechanism can pull the scanning main rod 1 at the water bottom, and a mutual reaction force is formed between buoyancy and pulling force, so that the scanning main rod 1 is in a stress balance state, and the rope is in a straight state, so that shaking of an ultrasonic scanning assembly in the descending process is avoided, collision with a cavity wall in the descending process is avoided, and the stabilizing effect is improved;
The pulling mechanism comprises a coiling wheel 301, a motor wheel is arranged in the coiling wheel 301, a rope is coiled on the coiling wheel 301, and one end of the rope is connected to the suspension tube 2;
A limiting part is arranged between the second ultrasonic mounting plate 103 and the anti-interference column 102, the second ultrasonic mounting plate 103 is limited on the anti-interference column 102, and if collapse occurs, when the protection telescopic rod 106 pushes out the first ultrasonic mounting plate 101, the limitation between the anti-interference column 102 and the second ultrasonic mounting plate 103 is synchronously relieved, so that the second ultrasonic mounting plate 103 automatically floats upwards under the buoyancy of water; the inside of the anti-interference column 102 which is arranged during normal use can be metal capable of absorbing sound waves, the periphery of the anti-interference column is sleeved with soft sound absorbing materials, the influence of sound waves between every two is avoided, and when accidents occur, the anti-interference column 102 forms a flexible protection structure;
The limiting part comprises a locking inserted bar 104 connected to the anti-interference column 102 and a locking slot 105 arranged on the second ultrasonic mounting plate 103, and the sizes of the locking inserted bar 104 and the locking slot 105 are mutually matched; the limiting part limits the second ultrasonic mounting plate 103 when no accident occurs, so that the second ultrasonic mounting plate 103 and the first ultrasonic mounting plate 101 form a four-way ultrasonic scanning range, and the limiting part synchronously releases the limitation along with the extension of the first ultrasonic mounting plate 101 when the accident occurs, so that the second ultrasonic mounting plate 103 automatically escapes;
the surface of the suspension tube 2 facing the gravity hammer 3 is provided with a transmitting spring 201; the spring 201 can store the elasticity while being pulled by the coiling wheel 301, and the coiling wheel 301 can emit under the action of the stored elasticity after losing power, and forms impact on the bottom of the scanning cavity by matching with the weight of the coiling wheel 301, so as to stably precipitate at the bottom of the scanning cavity;
Specifically, when in use, firstly, a scanning cavity is formed by punching, then, the scanning cavity is watered, after the completion, the gravity hammer 3 is launched, and the equipment is placed in the hole, or the whole device can be directly released into the scanning cavity, and then, the gravity hammer 3 is released;
the device transmits ultrasonic waves in the process of linear uniform velocity descent, forms information, transmits signals to a control receiving end on the ground surface or on the site, carries out distance positioning on a detected distinguishing structure, carries out graph drawing on coal seam structure analysis in an area, is provided with ultrasonic scanning assemblies on a first ultrasonic mounting plate 101 and a second ultrasonic mounting plate 103, and an anti-interference column 102 is arranged between the two adjacent first ultrasonic mounting plates 101 and the second ultrasonic mounting plates 103, so that interference is avoided, and the anti-interference column 102 is cylindrical and is made of porous and flexible materials;
If unexpected collapse occurs, the ultrasonic scanning assembly or the vibration sensor detects signals, such as a cavity wall structure is changed, violent vibration occurs, and the like, information is transmitted to a controller of the connected ultrasonic scanning assembly, the controller gives an instruction to the protection telescopic rod 106, the protection telescopic rod 106 pushes out the first ultrasonic mounting plate 101 and the anti-interference column 102, meanwhile, the limitation between the second ultrasonic mounting plate 103 and the first ultrasonic mounting plate 101 is removed, the escape time of the second ultrasonic mounting plate 103 is increased, and the second ultrasonic mounting plate 103 automatically floats upwards under the buoyancy of water.
Example two
Referring to fig. 8, a radar apparatus for detecting a coal seam structure pattern includes a scanning main rod 1, wherein one end of the scanning main rod, which is far away from a suspension pipe 2, is connected with a rope, one end of the rope is connected with a winding disc wheel, electromagnetic valves 202 can be selectively installed on two sides of the suspension pipe 2, one end of the electromagnetic valve 202 positioned in the suspension pipe 2 is connected with a pump for pumping water to reduce the buoyancy of the suspension pipe 2, the gravity of the suspension pipe 2 is increased during pumping water, the internal space is reduced, and the buoyancy is reduced; according to the scheme, a rope is additionally arranged above the scanning main rod 1 to pull the upper end of the scanning main rod 1, and the scanning main rod 1 can be in stress balance by matching with the pulling of the lower end, so that the scanning main rod 1 can linearly descend;
specifically, certainly the rope at this moment can attach waterproof wire, carries out wired transmission to the information that ultrasonic detection was gone on simultaneously to scanning mobile jib 1 both ends pulling, and under the ideal state, scanning mobile jib 1 decurrent atress is: self gravity and downward pulling force, upward stress is: the buoyancy and the upward pulling force can be the friction force between the winding disc wheel and the rope, and the servo motor can be arranged to drive the winding disc wheel to pull in the opposite direction, so that when the upward force and the downward force reach the force balance, the scanning main rod 1 can complete the scanning in a straight line at a uniform speed;
Example III
Referring to fig. 1-8, a method for using a radar device for detecting a coal seam structure pattern includes the following steps:
s1: firstly, drilling a region to be scanned through drilling equipment, and forming a scanning cavity;
S2: then continuously pouring water into the scanning cavity and overflowing; the water filling distinction and the direct detection are that if the detection is directly carried out, air is arranged between the ultrasonic waves and the cavity wall, and if the water is filled, the water is arranged between the ultrasonic waves, and in contrast, the ultrasonic waves are better when entering the coal seam through the water than when entering the air through the ultrasonic waves;
s3: aligning the gravity hammer 3 to the hole, enabling the motor wheel on the coiling wheel 301 not to wind up, and enabling the gravity hammer 3 to be shot into the scanning cavity under the action of the launching spring 201 and to sink into the bottom of the cavity under the action of gravity;
S4: then the scanning device is placed in a scanning cavity, the device is suspended in water through a suspension pipe 2, one ultrasonic assembly is used for transmitting and receiving echoes to the inner wall of the scanning cavity, and the position of the ultrasonic assembly and the scanning cavity wall are determined;
S5: during scanning, the coiling wheel 301 is started, the coiling wheel 301 pulls the suspension tube 2, at the moment, the device forms stress balance under the buoyancy of the suspension tube 2 and the tension of the coiling wheel 301, so that the ultrasonic scanning assemblies on the first ultrasonic mounting plate 101 and the second ultrasonic mounting plate 103 linearly descend at a uniform speed, at the moment, ultrasonic waves are emitted to the surrounding four directions, and received back waves are received, so that formed information is obtained.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 radar device for detecting the coal seam structure graph comprises a scanning main rod (1) and an ultrasonic scanning assembly, wherein the ultrasonic scanning assembly comprises a transmitter, a receiver and matched electric devices, the electric devices comprise wireless transmission modules, and a battery is arranged in the scanning main rod (1);
characterized by further comprising:
the suspension pipe (2) is used for adjusting the direction and improving the buoyancy, and the suspension pipe (2) is arranged at one end of the scanning main rod (1);
The gravity hammer (3) is used for pulling the scanning main rod (1) to enable the scanning main rod (1) to form a gravity hammer (3) for balancing stress, and is arranged at one end of the suspension tube (2), and a pulling mechanism for balancing the stress of the scanning main rod (1) is arranged on the gravity hammer (3);
Two opposite first ultrasonic mounting plates (101) and two other opposite second ultrasonic mounting plates (103) are arranged on the scanning main rod (1), and a plurality of ultrasonic scanning assemblies are uniformly and vertically arranged and mounted on the first ultrasonic mounting plates (101) and the second ultrasonic mounting plates (103);
The anti-interference device is characterized in that anti-interference columns (102) are arranged at the ends of the first ultrasonic mounting plate (101) and the second ultrasonic mounting plate (103), and the anti-interference columns (102) are movably connected with the second ultrasonic mounting plate (103) and fixedly connected with the first ultrasonic mounting plate (101).
2. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 1, wherein: the second ultrasonic mounting plate (103) is movably connected with the scanning main rod (1), and a protection telescopic rod (106) is arranged between the first ultrasonic mounting plate (101) and the scanning main rod (1).
3. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 2, wherein: the material densities of the first ultrasonic mounting plate (101) and the second ultrasonic mounting plate (103) are smaller than the density of water, and the floating can be independently completed after the ultrasonic scanning assembly is additionally arranged.
4. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 1, wherein: the suspension tube (2) is internally provided with a cavity structure.
5. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 1, wherein: the pulling mechanism comprises a coiling wheel (301), wherein a motor wheel is arranged in the coiling wheel (301), a rope is coiled on the coiling wheel (301), and one end of the rope is connected to the suspension tube (2).
6. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 3, wherein: the anti-interference device is characterized in that a limiting part is arranged between the second ultrasonic mounting plate (103) and the anti-interference column (102), the second ultrasonic mounting plate (103) is limited on the anti-interference column (102), if collapse occurs, the protection telescopic rod (106) synchronously releases the limitation between the anti-interference column (102) and the second ultrasonic mounting plate (103) when pushing out the first ultrasonic mounting plate (101), so that the second ultrasonic mounting plate (103) automatically floats upwards under the buoyancy of water, and the anti-interference column (102) is cylindrical.
7. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 6, wherein: the limiting part comprises a locking inserted bar (104) connected to the anti-interference column (102) and a locking slot (105) formed in the second ultrasonic mounting plate (103), and the locking inserted bar (104) and the locking slot (105) are mutually matched in size.
8. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 1, wherein: a transmitting spring (201) is arranged on one surface of the suspension pipe (2) facing the gravity hammer (3).
9. A radar apparatus for detecting a pattern of a coal seam structure as claimed in claim 1, wherein: one end of the scanning main rod (1) far away from the suspension tube (2) is connected with a rope, and one end of the rope is connected with a winding disc wheel.
10. A method for using a radar device for detecting a coal seam structure pattern, applied to a radar device for detecting a coal seam structure pattern according to any one of claims 1 to 8, comprising the steps of:
s1: firstly, drilling a region to be scanned through drilling equipment, and forming a scanning cavity;
s2: then continuously pouring water into the scanning cavity and overflowing;
S3: aligning the gravity hammer (3) to the hole, enabling the motor wheel on the coiling wheel (301) not to be coiled any more, enabling the gravity hammer (3) to be shot into the scanning cavity under the action of the launching spring (201), and sinking into the bottom of the cavity under the action of gravity;
S4: then the scanning device is placed in a scanning cavity, the device is suspended in water through a suspension pipe (2), one ultrasonic assembly is used for transmitting and receiving echoes to the inner wall of the scanning cavity, and the position of the ultrasonic assembly and the scanning cavity wall are determined;
s5: during scanning, the coiling wheel (301) is started, the coiling wheel (301) pulls the suspension tube (2), at the moment, the device forms stress balance under the buoyancy of the suspension tube (2) and the tension of the coiling wheel (301), so that ultrasonic scanning assemblies on the first ultrasonic mounting plate (101) and the second ultrasonic mounting plate (103) are linearly lowered at a uniform speed, at the moment, ultrasonic waves are emitted to the surrounding four directions, and received waves are received, so that formed information is obtained.
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