CN118011521A - Advanced detection and early warning device for water damage of coal mining roof under karst aquifer - Google Patents

Advanced detection and early warning device for water damage of coal mining roof under karst aquifer Download PDF

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Publication number
CN118011521A
CN118011521A CN202410415030.2A CN202410415030A CN118011521A CN 118011521 A CN118011521 A CN 118011521A CN 202410415030 A CN202410415030 A CN 202410415030A CN 118011521 A CN118011521 A CN 118011521A
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China
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fixedly connected
plate
rod
conveying
detection
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CN202410415030.2A
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CN118011521B (en
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郑禄林
戴芬良
胥进
朱淳
尹乾
田诗宇
任维德
孙毅
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Guizhou University
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Guizhou University
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Abstract

The invention relates to the technical field of geological detection, and discloses a device for advanced detection and early warning of water damage of a coal mining roof under a karst aquifer, which comprises the following components: the detection adjusting component comprises a box body, a partition board is fixedly connected in the box body, a conveying mechanism fixedly connected to the top of the partition board, a first channel penetrating through a strip-shaped structure of the partition board is arranged on one side of the conveying mechanism, and an adjusting mechanism is arranged at the bottom of the partition board and connected with the box body. According to the invention, in the detection process, the detection part is extended forward into the water guide fracture zone in a section-by-section conveying butt joint advancing mode, the traditional manual connection operation mode is not needed for connection and installation, the detection operation difficulty is simplified, the detection device is stored in the interior when not in use, the detection device is convenient to carry and convey, and meanwhile, the conditions that the traditional detection device is messy in parts and inconvenient to store are avoided; the method is convenient for detecting the crack information in the water guide crack zone, and simultaneously, rapidly detecting the detection depth in the water guide crack zone, so that an operator can conveniently perform the detection operation of the water guide crack zone.

Description

Advanced detection and early warning device for water damage of coal mining roof under karst aquifer
Technical Field
The invention relates to the technical field of geological detection, in particular to a device for advanced detection and early warning of water damage of a coal mining roof under a karst aquifer.
Background
When actual underground work, because drilling in the during operation all belongs to the aperture that is little and length is very long, lead to unable direct observation aperture inside rock's evolution situation, need use the drilling imager to stretch into the inside crack development condition of peeping into of aperture, but traditional drilling imager needs manual connection member when entering drilling inside and shoot, can't guarantee in the connection in-process that the instrument is in at the uniform velocity rising at the process that rises, lead to the image part crack that gathers to blur unclear, and the staff rises or retrieves the in-process degree of difficulty of drilling imager higher and inefficiency in addition. Accordingly, there is a need for a borehole imager device with self-propelled to improve image collection quality and efficiency.
The invention relates to an automatic constant-speed push rod propelling device (CN 113404455A) which can realize the fixation of a push rod, automatically and uniformly conveying the push rod into a borehole in the use process in the engineering measurement processes of actual borehole detection imaging, crack development snooping and the like, so that the manual workload is reduced, and the instrument has the following defects although the instrument improves the test precision: 1. the tripod base device and the upper base device limit the advancing direction of the instrument during working, and can only advance the push rod upwards or downwards perpendicular to the ground, so that the tripod base device and the upper base device cannot be suitable for omnibearing drilling of roadways and tunnels. 2. In the process of pushing the camera into the borehole, the roller clamping pushing device provides pressure and friction force for the push rod to prevent the push rod from sliding downwards, but the device cannot ensure stable pushing of the push rod into the borehole when the whole weight of the push rod is increased, so that the push rod falls back easily, and the image acquisition effect is poor.
The invention relates to a drilling imager omnibearing automatic propelling device (CN 11553902A) patent technology, which can realize stable push rod in the actual detection process, and can accurately identify the propelling depth by utilizing the rotation of a gear in the push rod process, but has the following defects: 1. the invention needs to connect the racks by oneself, part of information blurring is still possible to appear in the connection process, the stable and uniform-speed pushing of the drilling imager into the drilling can not be realized, the rigidity of the racks is high, and the imager can not be smoothly sent to an ideal position under the condition that the drilling is deformed.
Disclosure of Invention
The invention provides a device for advanced detection and early warning of water damage of a coal mining roof under a karst aquifer, which aims to solve the technical problem that the existing detection equipment is troublesome to operate and is not beneficial to detection operation of a drilling imager.
The invention is realized by adopting the following technical scheme: the utility model provides a colliery exploitation roof water damage advanced detection and early warning device under karst aquifer, includes:
The detection adjusting assembly comprises a box body, wherein a partition board is fixedly connected to the inside of the box body, a conveying mechanism fixedly connected to the top of the partition board is arranged on one side of the conveying mechanism, a first channel penetrating through the long-strip-shaped structure of the partition board is arranged on the bottom of the partition board, the adjusting mechanism is arranged below the conveying mechanism, a lifting locking mechanism connected with the top of the partition board is arranged on one side of an opening at the top of the channel, the lifting locking mechanism is arranged at one end, far away from the conveying mechanism, of the channel, a length measuring mechanism fixedly connected with the partition board is arranged on one side of the lifting locking mechanism, a guide part is fixedly connected to the top of the box body, and the guide part is arranged right above the first channel;
The top measuring rod comprises a rod body, a cover shell with a hemispherical structure is fixedly connected to the top of the rod body, a measuring unit connected with the length measuring mechanism is installed in the cover shell, a first clamping groove and a second clamping groove which are sequentially arranged from top to bottom are formed in the outer ring of the rod body, a first concave groove which is inwards concave is formed in the bottom of the rod body, and a first through hole which is distributed in an array mode and communicated with the first groove is formed in the outer ring of the bottom of the rod body;
The middle connecting rods comprise supporting cylinders with openings at the bottoms, an extending groove with an annular structure is formed in the outer ring of the top of each supporting cylinder, through holes II which are arranged in an array mode and communicated with the inside of each supporting cylinder are formed in the side edges of the extending groove, a clamping groove III and a clamping groove IV which are sequentially arranged from top to bottom are formed in the outer ring of each supporting cylinder, a groove II which is inwards concave is formed in the inner ring of the bottom of each supporting cylinder, through holes III which are distributed in an array mode and communicated with the groove II are formed in the outer ring of each supporting cylinder, and a connecting unit used for locking connection is fixedly connected inside each supporting cylinder;
The lengths of the top measuring rod and the middle connecting rod are smaller than the height of a cavity above the partition plate in the box body, the first groove and the second groove are matched with the extending groove, the first through hole, the second through hole and the third through hole are in sliding connection with the connecting unit, and the guide part is used for pre-tightening and locking the top measuring rod and the middle connecting rod;
The controller, the data interface and the storage battery are arranged in the box body, the display screen, the power interface and the switch are arranged on one side of the box body, and the controller is connected with the conveying mechanism, the adjusting mechanism, the lifting locking mechanism, the length measuring mechanism, the measuring unit, the display screen, the power interface and the switch.
Through the technical scheme, the top measuring rod is conveyed to one side below the guide part by utilizing the conveying mechanism, then the adjusting mechanism is started, the adjusting mechanism is sleeved with the bottom of the top measuring rod, then the adjusting mechanism drives the top measuring rod to move to one side of the lifting locking mechanism, at the moment, the top measuring rod is conveyed to the position right below the guide part, meanwhile, the top measuring rod is pulled out of the conveying mechanism, then the lifting locking mechanism is started to move to the direction of the top measuring rod, the top measuring rod is clamped with the top measuring rod, then the lifting locking mechanism pushes the top measuring rod upwards, after the top measuring rod is lifted to a set position, the guide part performs primary position locking on the top measuring rod to prevent the top measuring rod from falling, then the lifting locking mechanism locks the top measuring rod to one side far away from the conveying mechanism, the top measuring rod is ensured not to fall under the action of external force, then the middle connecting rod is conveyed to the bottom of the top measuring rod in the mode, the middle connecting rod is enabled to be butted with the top measuring rod by utilizing the adjusting mechanism, finally, the butted rising operation of the middle connecting rod is sequentially completed according to the mode, and meanwhile, the length measuring mechanism performs measurement on the conveying length.
As a further improvement of the scheme, the conveying mechanism comprises a conveying belt I with an annular structure, an outer ring of the conveying belt I is fixedly connected with containing strips which are uniformly distributed in an annular mode along the length direction of the conveying belt I, one side, far away from the conveying belt I, of the containing strips is fixedly connected with a containing plate I with an arc-shaped structure, an inner ring of the conveying belt I is rotatably sleeved with a conveying roller I which is rotatably connected with a partition plate, and one end, extending out of the partition plate, of the conveying roller I is provided with a motor I.
Through above-mentioned technical scheme, realized accomodating and carry the operation to top survey pole and intermediate connecting rod.
As a further improvement of the scheme, the adjusting mechanism comprises a first driving unit fixedly connected with the bottom of the box body, the output end of the first driving unit is connected with a base plate, the first driving unit drives the base plate to move along the length direction of the channel, the top of the base plate is fixedly connected with a second driving unit which is vertically arranged, the output end of the second driving unit is connected with a transverse plate, the transverse plate is fixedly connected with a butt joint sleeve with an opening at the top, the inner ring of the butt joint sleeve is fixedly sleeved with a retaining ring, the inner ring of the retaining ring is slidably sleeved with a driving pipe, the inner ring of the driving pipe is slidably sleeved with a driving rod movably sleeved with the butt joint sleeve, one end of the driving rod extends out of the butt joint sleeve to be provided with a second motor fixedly connected with the butt joint sleeve, one side of the butt joint sleeve is provided with an extending channel which is arranged along the height of the driving rod, an extending channel is slidably connected with an extending plate which is rotatably connected with the driving pipe, one end of the extending plate extending out of the butt joint sleeve is provided with a third driving unit fixedly connected with the butt joint sleeve, the diameter of the inner ring of the butt joint sleeve is consistent with the outer diameter of the rod body and the supporting cylinder, and the inner ring structure of the driving pipe is consistent with the structure of the adapter.
As a further improvement of the scheme, a limiting block is fixedly connected to the top of one end of the driving rod extending into the driving pipe, and the limiting block is consistent with the cross section of the inner ring of the driving pipe and is of a regular polygon structure.
Through above-mentioned technical scheme, carry top survey pole and intermediate connecting rod, accomplish the butt joint operation between top survey pole and intermediate connecting rod and the intermediate connecting rod.
As the further improvement of above-mentioned scheme, lift locking mechanical system includes the backup pad of the U type structure with baffle top sliding connection, and backup pad opening orientation conveying mechanism, the backup pad inboard is provided with annular structure's conveyer belt two, and conveyer belt two sets up along vertical direction, conveyer belt outer circle rigid coupling has the lifter plate of convex structure, conveyer belt two inner circle rotate the cup joint with the conveyer roller two that the backup pad rotates to be connected, the motor three is installed to the one end that conveyer roller two stretches out the backup pad, the one end that the conveying mechanism was kept away from to the backup pad is installed with the drive unit four of baffle rigid coupling, the backup pad is close to one side opening part top of conveying mechanism and is installed the layer board, the one side both ends rigid coupling that the layer board is close to the backup pad have the extension pole with the backup pad rigid coupling, install the locking plate of the convex structure with the layer board rigid coupling in the middle of the bottom between two sets of extension poles.
Through the technical scheme, lifting and locking operations of the top measuring rod and the middle connecting rod are realized.
As the further improvement of above-mentioned scheme, length measuring mechanism includes the pivot of rotating with the baffle and being connected, the one end rigid coupling that the pivot stretched out the baffle top has the bottom plate, the support that bottom plate top rigid coupling has U type structure, the inside rotation of support is connected with the winding roller, winding roller one end rigid coupling has the movable joint of being connected with the support rotation, movable joint is connected with the transfer chain cable of being connected with the survey unit, movable joint opposite side sliding connection has the fixed joint that cup joints with the support is fixed, support opening part rigid coupling has the guide board, the guide board is close to support opening part one side and installs two sets of mounting brackets of following the U type structure that vertical direction set gradually, the mounting bracket outer lane rotates and is connected with the guide wheel, the camera with the support rigid coupling is installed to guide wheel one side.
Through above-mentioned technical scheme, realized in the detection process, survey stretch-in length and connect with accomodate and carry the operation of transfer chain cable.
As a further improvement of the scheme, the movable joint comprises an adapter plate rotationally connected with the support, a conducting ring of an annular structure uniformly arranged along the diameter direction of the adapter plate is inlaid on one side, close to the fixed joint, of the adapter plate, conducting rods of L-shaped structures connected with the conveying cables are fixedly connected on one side, far away from the fixed joint, of the conducting ring, the conveying cables comprise protective sleeves fixedly connected with the adapter plate, a plurality of groups of connecting cables are arranged on the inner rings of the protective sleeves, the connecting cables are correspondingly connected with the adjacent conducting rods, and the movable joint is consistent with the fixed joint in structure.
As the further improvement of above-mentioned scheme, the connecting element includes the gusset plate with support lower part fixed connection in the section of thick bamboo inner circle, the gusset plate activity has cup jointed the rotary rod of coaxial setting, the rotary rod stretches out gusset plate top outer lane screw thread and has cup jointed the elevating disc, the elevating disc top is provided with the guide dish with support a section of thick bamboo rigid coupling, and guide dish and rotary rod activity cup joint, guide dish bottom sliding connection has the guide arm of following its axis array and distributing, guide arm bottom rigid coupling has the locking lever with two slip sockets of adjacent through-hole, the locking lever articulates there is with elevating disc articulated pull rod, the rotary rod bottom rigid coupling has the adapter shoe that is used for with adjustment mechanism butt joint.
As a further improvement of the scheme, the guide part comprises an extension pipe with a circular arc structure, which is fixedly connected with the box body, a switching housing with a U-shaped structure is fixedly connected at the opening of the extension pipe, a tensioning plate with a circular arc structure is fixedly connected at the inner ring of the extension pipe, and the tensioning plate is made of elastic materials.
As a further improvement of the above-mentioned scheme, the guide plate is penetrated with a passage for the extension of the conveying cable, the conveying cable is wound around the outer ring of the winding roller, and the motor four is installed at one end of the winding roller extending out of the bracket.
As a further improvement of the scheme, the two sides of the box body are fixedly connected with the handle with the U-shaped structure, the first driving unit adopts a linear module, the second driving unit, the third driving unit and the fourth driving unit adopt push rod motors, and the measuring unit comprises a camera, an ultrasonic receiver and an ultrasonic sensor which are arranged inside the housing and fixedly connected with the rod body.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the storage butt joint mode is adopted for connection installation, the section-by-section conveying butt joint advancing mode is adopted in the detection process to extend the detection part forwards into the water guide fracture zone, the traditional manual connection operation mode is not required for connection installation, and the detection operation difficulty is simplified.
When the water guide fracture zone is not used, the water guide fracture zone is stored in the water guide fracture zone, so that the water guide fracture zone is convenient to carry and convey, messy parts of the traditional detection equipment are avoided, inconvenient storage is avoided, image and ultrasonic detection operation is realized, and the detection of fracture information in the water guide fracture zone is facilitated.
The invention can rapidly detect the internal detection depth of the water guiding fracture zone, and is convenient for operators to carry out the detection operation of the water guiding fracture zone.
Drawings
FIG. 1 is a top view of a coal mining roof water hazard advanced detection and early warning device under a karst aquifer;
FIG. 2 is a side view of the advanced detection and early warning device for water damage of a coal mining roof under a karst aquifer;
FIG. 3 is a schematic structural diagram of the advanced detection and early warning device for water damage of a coal mining roof under a karst aquifer;
FIG. 4 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of a portion of the portion B of FIG. 2 provided by the present invention;
FIG. 6 is a schematic diagram of a lifting locking mechanism according to the present invention;
FIG. 7 is a schematic view of the structure of the top measuring rod according to the present invention;
FIG. 8 is a schematic view of an intermediate connecting rod according to the present invention;
FIG. 9 is a cross-sectional view of an intermediate connecting rod provided by the present invention;
fig. 10 is a schematic structural view of a guide part provided by the present invention;
fig. 11 is a schematic structural view of a movable joint according to the present invention.
Main symbol description:
1 box, 2 partition, 3 conveying mechanism, 4 channel one, 5 adjustment mechanism, 6 lifting locking mechanism, 7 length measuring mechanism, 8 guide part, 21 rod body, 22 housing, 23 measuring unit, 24 clamping groove one, 25 clamping groove two, 26 groove one, 27 through hole one, 31 supporting cylinder, 32 inserting groove, 33 through hole two, 34 clamping groove three, 35 clamping groove four, 36 groove two, 37 through hole three, 38 reinforcing plate, 39 rotating rod, 310 lifting disk, 311 pull rod, 312 locking rod, 313 guide rod, 314 guide disk, 51 driving unit one, 52 substrate, 53 driving unit two, 54 butt joint sleeve, 55 holding ring, 56 driving pipe, 57 driving rod, 58 extending plate, 59 driving unit three, 61 supporting plate, 62 conveying belt two, 63 lifting plate, 64 conveying roller two, 65 extending rod, 66 supporting plate, 67 locking plate, 71 bracket, 72 conveying cable, 74 movable joint, 75 fixed joint, 76 guide plate, 721 protecting sleeve, 722 connecting cable, 741 plate, 742 conductive ring, 743 conductive rod, 81 extending pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
Referring to fig. 1-11, the advanced detection and early warning device for water damage of a roof of coal mining under a karst aquifer of the embodiment includes:
The detection and adjustment assembly comprises a box body 1, wherein a partition plate 2 is fixedly connected inside the box body 1, a conveying mechanism 3 is fixedly connected to the top of the partition plate 2, a first channel 4 which penetrates through the partition plate 2 and is of a strip-shaped structure is arranged on one side of the conveying mechanism 3, an adjustment mechanism 5 is arranged at the bottom of the partition plate 2 and is connected with the box body 1, the adjustment mechanism 5 is positioned below the conveying mechanism 3, a lifting locking mechanism 6 connected with the top of the partition plate 2 is arranged on one side of an opening at the top of the first channel 4, the lifting locking mechanism 6 is positioned at one end, far away from the conveying mechanism 3, of the first channel 4, a length measuring mechanism 7 fixedly connected with the partition plate 2 is arranged on one side of the lifting locking mechanism 6, a guide part 8 is fixedly connected to the top of the box body 1, and the guide part 8 is positioned right above the first channel 4;
the top measuring rod comprises a rod body 21, a cover shell 22 with a hemispherical structure is fixedly connected to the top of the rod body 21, a measuring unit 23 connected with a length measuring mechanism 7 is installed in the cover shell 22, a first clamping groove 24 and a second clamping groove 25 which are sequentially arranged from top to bottom are formed in the outer ring of the rod body 21, a first concave groove 26 is formed in the bottom of the rod body 21, and a first through hole 27 which is distributed in an array mode and is communicated with the first groove 26 is formed in the outer ring of the bottom of the rod body 21;
The bottom of the middle connecting rod is provided with an open supporting cylinder 31, an annular structure extending groove 32 is formed in the outer ring of the top of the supporting cylinder 31, an array is formed in the side edge of the extending groove 32, through holes II 33 which are communicated with the inside of the supporting cylinder 31 are formed in the outer ring of the supporting cylinder 31, a clamping groove III 34 and a clamping groove IV 35 which are sequentially formed from top to bottom are formed in the inner ring of the bottom of the supporting cylinder 31, an inwards concave groove II 36 is formed in the inner ring of the bottom of the supporting cylinder 31, an array distributed through hole III 37 which is communicated with the groove II 36 is formed in the outer ring of the bottom of the supporting cylinder 31, a connecting unit used for locking connection is fixedly connected in the supporting cylinder 31, the lengths of a top measuring rod and the middle connecting rod are smaller than the height of a cavity above a partition plate 2 in the box body 1, the groove I26 and the groove II 36 are matched with the extending groove 32, the through holes I27, the through holes II 33 and the through holes III 37 are in sliding connection with the connecting unit, and the guide part 8 are used for pre-locking the top measuring rod and the middle connecting rod.
The implementation principle of the device for advanced detection and early warning of water damage of the coal mining roof under the karst aquifer in the embodiment of the application is as follows: the top measuring rod is conveyed to one side below the guide part 8 by the conveying mechanism 3, then the adjusting mechanism 5 is started, the adjusting mechanism 5 is sleeved with the bottom of the top measuring rod, then the adjusting mechanism 5 drives the top measuring rod to move to one side of the lifting locking mechanism 6, at the moment, the top measuring rod is conveyed to the position right below the guide part 8, meanwhile, the top measuring rod is pulled out of the conveying mechanism 3, then the lifting locking mechanism 6 is started to move towards the direction of the top measuring rod to be clamped with the top measuring rod, the lifting locking mechanism 6 pushes the top measuring rod upwards, the top measuring rod is tightly abutted with the guide part 8 after the top measuring rod is lifted to a set position, the guide part 8 locks the preliminary position of the top measuring rod to prevent the top measuring rod from falling, then the lifting locking mechanism 6 locks the top measuring rod to the side far away from the conveying mechanism 3, the top measuring rod is ensured not to fall under the action of external force, the middle connecting rod is conveyed to the bottom of the top measuring rod in the mode, the middle connecting rod is abutted with the top measuring rod by the adjusting mechanism 5, the abutting and lifting operation of the middle connecting rod is sequentially completed according to the mode, and the conveying length is measured by the length measuring mechanism 7.
Example 2
The further improvement of this embodiment on the basis of embodiment 1 is that: the conveying mechanism 3 comprises a conveying belt I with an annular structure, an outer ring of the conveying belt I is fixedly connected with a containing strip which is annular and uniform along the length direction of the conveying belt I, a containing plate I with an arc-shaped structure is fixedly connected to the top and the bottom of one side, far away from the conveying belt I, of the containing strip, a conveying roller I which is rotationally connected with the partition plate 2 is rotationally sleeved on an inner ring of the conveying belt I, and a motor I is installed at one end, extending out of the partition plate 2, of the conveying roller I.
Example 3
The further improvement of this embodiment on the basis of embodiment 1 is that: the adjusting mechanism 5 comprises a first driving unit 51 fixedly connected with the bottom of the box body 1, the output end of the first driving unit 51 is connected with a base plate 52, the first driving unit 51 drives the base plate 52 to move along the length direction of a first channel 4, the top of the base plate 52 is fixedly connected with a second driving unit 53 which is vertically arranged, the top output end of the second driving unit 53 is connected with a transverse plate, the transverse plate is fixedly connected with a butt joint sleeve 54 with an opening at the top, the inner ring of the butt joint sleeve 54 is fixedly sleeved with a retaining ring 55, the inner ring of the retaining ring 55 is slidably sleeved with a driving pipe 56, the inner ring of the driving pipe 56 is slidably sleeved with a driving rod 57 which is movably sleeved with the butt joint sleeve 54, one end of the driving rod 57 extending out of the butt joint sleeve 54 is provided with a second motor fixedly connected with the butt joint sleeve 54, one side of the butt joint sleeve 54 is provided with an extending channel which is arranged along the height direction of the driving rod, the extending channel is slidably connected with an extending plate 58 which is rotatably connected with the driving pipe 56, the outer ring of the bottom of the driving pipe 56 is provided with a containing groove which is in an annular structure which is rotatably connected with the extending plate 58, one end of the butt joint sleeve 54 is fixedly connected with a third driving unit 59 which is fixedly connected with the butt joint sleeve 54, the inner ring diameter of the inner ring of the butt joint sleeve 54, the diameter of the butt joint sleeve 21 is consistent with the outer diameter of the rod 21 and the outer ring of the driving pipe 31;
The top of one end of the driving rod 57 extending into the driving pipe 56 is fixedly connected with a limiting block, and the limiting block is consistent with the cross section of the inner ring of the driving pipe 56 and is of a regular polygon structure.
Example 4
The lifting locking mechanism 6 comprises a supporting plate 61 with a U-shaped structure and slidably connected with the top of the partition plate 2, an opening of the supporting plate 61 faces the conveying mechanism 3, a conveying belt II 62 with an annular structure is arranged on the inner side of the supporting plate 61, the conveying belt II 62 is arranged in the vertical direction, a lifting plate 63 with a circular arc structure is fixedly connected to the outer ring of the conveying belt II 62, a conveying roller II 64 rotationally connected with the supporting plate 61 is rotatably sleeved on the inner ring of the conveying belt II 62, a motor III is arranged at one end of the conveying roller II 64 extending out of the supporting plate 61, a driving unit IV fixedly connected with the partition plate 2 is arranged at one end of the supporting plate 61 far away from the conveying mechanism 3, a supporting plate 66 is arranged above the opening of one side of the supporting plate 61 close to the conveying mechanism 3, extension rods 65 fixedly connected with the supporting plate 61 are fixedly connected to the two ends of one side of the supporting plate 66, and a locking plate 67 with a circular arc structure fixedly connected with the supporting plate 66 is arranged in the middle of the bottom between the two groups of the extension rods 65.
Example 5
The length measuring mechanism 7 comprises a rotating shaft which is rotationally connected with the partition plate 2, one end of the rotating shaft extending out of the top of the partition plate 2 is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a bracket 71 of a U-shaped structure, a winding roller is rotationally connected inside the bracket 71, one end of the winding roller is fixedly connected with a movable joint 74 rotationally connected with the bracket 71, the movable joint 74 is connected with a conveying cable 72 connected with the measuring unit 23, the other side of the movable joint 74 is slidingly connected with a fixed joint 75 fixedly sleeved with the bracket 71, a guide plate 76 is fixedly connected at the opening of the bracket 71, two groups of installation racks of the U-shaped structure which are sequentially arranged along the vertical direction are installed at one side of the guide plate 76, an outer ring of the installation rack is rotationally connected with a guide wheel, a camera fixedly connected with the bracket 71 is installed at one side of the guide wheel, and a motor IV is installed at one end of the winding roller extending out of the bracket 71.
The movable joint 74 comprises an adapter plate 741 rotationally connected with the bracket 71, a conductive ring 742 with an annular structure uniformly arranged along the diameter direction of the adapter plate 741 is embedded on one side of the adapter plate 741 close to the fixed joint 75, conductive rods 743 with L-shaped structures connected with the conveying cables 72 are fixedly connected on one side of the conductive ring 742 far away from the fixed joint, the conveying cables 72 comprise a protective sleeve 721 fixedly connected with the adapter plate 741, a plurality of groups of connecting cables 722 are arranged on the inner ring of the protective sleeve 721, the connecting cables 722 are correspondingly connected with the adjacent conductive rods 743, and the movable joint 74 is consistent with the fixed joint 75 in structure.
The guide plate 76 is penetrated with a passage for the transmission line cable 72 to protrude, and the transmission line cable 72 is wound around the winding roller outer ring.
Example 6
The connecting unit comprises a reinforcing plate 38 fixedly connected with the lower middle part of the inner ring of the supporting cylinder 31, a rotating rod 39 coaxially arranged is movably sleeved on the reinforcing plate 38, a lifting disc 310 is sleeved on the outer ring of the top of the rotating rod 39, a guide disc 314 fixedly connected with the supporting cylinder 31 is arranged at the top of the lifting disc 310, the guide disc 314 is movably sleeved on the rotating rod 39, guide rods 313 distributed along the axis array of the guide disc 314 are slidably connected to the bottom of the guide disc 314, locking rods 312 slidably sleeved on adjacent through holes II 33 are fixedly connected to the bottom of the guide rods 313, a pull rod 311 hinged with the lifting disc 310 is hinged to the locking rods 312, and a transfer block for being in butt joint with the inner ring of the driving tube 56 of the adjusting mechanism 5 is fixedly connected to the bottom of the rotating rod 39.
The guiding part 8 comprises an extension pipe 81 with a circular arc structure, which is fixedly connected with the box body 1, a switching housing 82 with a U-shaped structure is fixedly connected at the opening of the extension pipe 81, a tensioning plate with a circular arc structure is fixedly connected at the inner ring of the extension pipe 81, and the tensioning plate is made of elastic materials.
Example 7
The controller, the data interface and the storage battery are arranged in the box body 1, the display screen, the power interface and the switch are arranged on one side of the box body 1, the U-shaped handle is fixedly connected to two sides of the box body 1, the first driving unit 51 adopts a linear module, the second driving unit 53, the third driving unit 59 and the fourth driving unit adopt a push rod motor, the measuring unit 23 comprises a camera, an ultrasonic receiver and an ultrasonic sensor which are arranged in the housing 22 and fixedly connected with the rod body 21, and the controller is connected with the first motor, the second motor, the third motor, the fourth motor, the linear module, the push rod motor, the data interface, the storage battery, the display screen, the power interface, the switch, the camera, the ultrasonic receiver and the ultrasonic sensor;
positioning grooves are formed in two sides of the outer side walls of the rod body 21 and the supporting cylinder 31 along the length direction of the rod body, positioning blocks sleeved with the positioning grooves are fixedly connected to inner concave surfaces of the lifting plate 63, the locking plate 67 and the first storage plate, the connecting cable 722 is connected with the camera, the ultrasonic receiver and the ultrasonic sensor, and the protective sleeve 721 is fixedly connected with the rod body 21.
Working principle:
When the height of the water-guiding fracture zone is detected, the device is placed in a pre-drilled detection hole to detect, at the moment, the top measuring rod is conveyed to one side below the guide part 8 by utilizing the conveying mechanism 3, then the adjusting mechanism 5 is started, the adjusting mechanism 5 is sleeved with the bottom of the top measuring rod, then the adjusting mechanism 5 drives the top measuring rod to move to one side of the lifting locking mechanism 6, at the moment, the top measuring rod is conveyed to the position right below the guide part 8, meanwhile, the top measuring rod is pulled out of the conveying mechanism 3, then the lifting locking mechanism 6 is started to move towards the top measuring rod to be clamped with the top measuring rod, then the lifting locking mechanism 6 pushes the top measuring rod upwards, when the top measuring rod is lifted to a set position, the guide part 8 locks the top measuring rod in a preliminary position to avoid the top measuring rod from falling, then the lifting locking mechanism 6 locks the top measuring rod to one side far away from the conveying mechanism 3, the top measuring rod is ensured not to fall under the action of external force, then the middle connecting rod is conveyed to the bottom of the top measuring rod in the manner, after that the middle connecting rod is pulled out from the conveying mechanism, the middle connecting rod is lifted up by the adjusting mechanism 5, the middle measuring rod is sequentially, and finally the length of the connecting rod is connected with the middle measuring rod is lifted by utilizing the adjusting mechanism to enable the middle measuring rod to be in a butt joint mode, and the length measuring mechanism is sequentially to be in a butt joint mode, and the length measuring is finished;
the top measuring rod and the middle connecting rod are sequentially clamped and placed on a first storage plate of the conveying mechanism 3 in advance;
When the adjusting mechanism 5 is conveyed, the driving unit II 53 is started to enable the transverse plate to move upwards, then the butt joint sleeve 54 is started to extend out of the top of the first channel 4 and is sleeved with the bottom of the top measuring rod, the driving unit I51 is started to drive the butt joint sleeve 54 to move, at the moment, the top measuring rod is pulled out from the first storage part to move to the position right below the guide part 8, then the lifting locking mechanism 6 moves to one side of the top measuring rod, and the lifting plate 63 on the conveying belt II 62 extends into the second clamping groove 25 of the outer ring of the rod body 21 to be clamped and locked with the rod body 21;
The second conveying roller 64 rotates under the drive of the third motor, the second conveying belt 62 drives the lifting plate 63 to move upwards, the rod body 21 moves upwards at the moment, when the rod body 21 moves upwards to a set position, the rod body 21 tightly abuts against the guide part 8, the guide part 8 locks the initial position of the top measuring rod to prevent the top measuring rod from falling off, then the lifting locking mechanism 6 moves to the side far away from the conveying mechanism 3, the locking plate 67 and the lifting plate 63 move along with the lifting plate, the lifting plate 63 is separated from the second clamping groove 25 of the rod body 21, the locking plate 67 moves to the first clamping groove 24 to be clamped with the first clamping groove, and accordingly locking operation of the rod body 21 is completed, and the lifting plate 63 moves to the initial position under the action of the second conveying belt 62;
When the top measuring rod and the middle connecting rod are in butt joint, the middle connecting rod is operated to the position right below the top measuring rod by the adjusting mechanism 5 in the mode, then the middle connecting rod is pushed upwards and jacked into the top measuring rod to be sleeved under the action of the driving unit II 53, at the moment, the supporting cylinder 31 stretches into the bottom of the rod body 21 to be sleeved, positioning grooves arranged along the length direction of the rod body 21 and the two sides of the outer side wall of the supporting cylinder 31 are formed, and positioning blocks sleeved with the positioning grooves are fixedly connected to the inner concave surfaces of the lifting plate 63, the locking plate 67 and the storage plate I, so that the rod body 21 and the supporting cylinder 31 are ensured to be accurate in position when in butt joint;
after the rod body 21 and the supporting cylinder 31 are in butt joint, the driving unit III 59 is started, the extending plate 58 moves upwards at the moment, then the driving pipe 56 moves upwards, the driving pipe 56 extends from the bottom of the supporting cylinder 31 to be sleeved with the adapter at the bottom of the rotating rod 39, then the motor II is started, the driving rod 57 rotates, then the driving pipe 56 rotates, the rotating rod 39 is driven to rotate, when the rotating rod 39 rotates, the lifting disc 310 moves upwards, then the pull rod 311 is driven to move, the locking rod 312 extends out of the through hole II 33 and extends into the through hole I27 on the rod body 21 to be clamped, after the clamping is finished, the middle connecting rod is conveyed upwards by the lifting locking mechanism 6, and then the butt joint and conveying operation of the middle connecting rod are sequentially finished in the manner;
the top of the rod body 21 stretches into the water guide fracture zone during detection, and the camera and the ultrasonic sensor are used for collecting image information in the water guide fracture zone;
The design adopts the storage butt joint mode to connect and install at first, adopts the section by section to carry the butt joint mode of advancing to stretch into the detection portion forward to the inside of leading water crack area in the testing process, does not need to adopt traditional manual connection operation mode to connect and install, simplifies the detection operation degree of difficulty, and when not using, accomodate inside, portable carries, and traditional detection equipment part is messy also avoided simultaneously, accomodates inconvenient condition and takes place, realizes image and ultrasonic detection operation, is convenient for survey the inside crack information in leading water crack area, simultaneously short-term test leading water crack area inside detects the degree of depth, and the operating personnel of being convenient for carries out leading water crack area detection operation.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (9)

1. Karst water-bearing layer underground coal mining roof water hazard advanced detection and early warning device, its characterized in that includes:
The detection adjusting assembly comprises a box body, wherein a partition board is fixedly connected to the inside of the box body, a conveying mechanism fixedly connected to the top of the partition board is arranged on one side of the conveying mechanism, a first channel penetrating through the long-strip-shaped structure of the partition board is arranged on the bottom of the partition board, the adjusting mechanism is arranged below the conveying mechanism, a lifting locking mechanism connected with the top of the partition board is arranged on one side of an opening at the top of the channel, the lifting locking mechanism is arranged at one end, far away from the conveying mechanism, of the channel, a length measuring mechanism fixedly connected with the partition board is arranged on one side of the lifting locking mechanism, a guide part is fixedly connected to the top of the box body, and the guide part is arranged right above the first channel;
The top measuring rod comprises a rod body, a cover shell with a hemispherical structure is fixedly connected to the top of the rod body, a measuring unit connected with the length measuring mechanism is installed in the cover shell, a first clamping groove and a second clamping groove which are sequentially arranged from top to bottom are formed in the outer ring of the rod body, a first concave groove which is inwards concave is formed in the bottom of the rod body, and a first through hole which is distributed in an array mode and communicated with the first groove is formed in the outer ring of the bottom of the rod body;
The middle connecting rods comprise supporting cylinders with openings at the bottoms, an extending groove with an annular structure is formed in the outer ring of the top of each supporting cylinder, through holes II which are arranged in an array mode and communicated with the inside of each supporting cylinder are formed in the side edges of the extending groove, a clamping groove III and a clamping groove IV which are sequentially arranged from top to bottom are formed in the outer ring of each supporting cylinder, a groove II which is inwards concave is formed in the inner ring of the bottom of each supporting cylinder, through holes III which are distributed in an array mode and communicated with the groove II are formed in the outer ring of each supporting cylinder, and a connecting unit used for locking connection is fixedly connected inside each supporting cylinder;
The lengths of the top measuring rod and the middle connecting rod are smaller than the height of a cavity above the partition plate in the box body, the first groove and the second groove are matched with the extending groove, the first through hole, the second through hole and the third through hole are in sliding connection with the connecting unit, and the guide part is used for pre-tightening and locking the top measuring rod and the middle connecting rod;
The connecting unit comprises a reinforcing plate fixedly connected with the middle lower part of the inner ring of the supporting cylinder, the reinforcing plate is movably sleeved with a rotating rod which is coaxially arranged, the rotating rod extends out of the outer ring of the top of the reinforcing plate and is sleeved with a lifting disc in a threaded manner, the top of the lifting disc is provided with a guide disc fixedly connected with the supporting cylinder, the guide disc is movably sleeved with the rotating rod, the bottom of the guide disc is slidably connected with guide rods distributed along the axis array of the guide disc, the bottom of the guide rod is fixedly connected with a locking rod which is slidably sleeved with two adjacent through holes, the locking rod is hinged with a pull rod hinged with the lifting disc, and the bottom of the rotating rod is fixedly connected with an adapter block for being in butt joint with the adjusting mechanism;
The controller, the data interface and the storage battery are arranged in the box body, the display screen, the power interface and the switch are arranged on one side of the box body, and the controller is connected with the conveying mechanism, the adjusting mechanism, the lifting locking mechanism, the length measuring mechanism, the measuring unit, the display screen, the power interface and the switch.
2. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 1, wherein the conveying mechanism comprises a conveying belt I with an annular structure, an outer ring of the conveying belt I is fixedly connected with holding strips which are uniformly distributed annularly along the length direction of the conveying belt I, one side of the holding strips away from the conveying belt I is fixedly connected with a containing plate I with a circular arc structure, an inner ring of the conveying belt I is rotatably sleeved with a conveying roller I which is rotatably connected with a partition board, and one end of the conveying roller I extending out of the partition board is provided with a motor I.
3. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer as claimed in claim 1, wherein the adjusting mechanism comprises a first driving unit fixedly connected with the bottom of the box, an output end of the first driving unit is connected with a base plate, the first driving unit drives the base plate to move along the length direction of the channel, a second driving unit vertically arranged is fixedly connected at the top of the base plate, an output end of the second driving unit is connected with a transverse plate, an open-ended butt joint sleeve is fixedly connected at the top of the transverse plate, a retaining ring is fixedly sleeved on an inner ring of the butt joint sleeve, a driving pipe is slidingly sleeved on an inner ring of the driving pipe, a driving rod movably sleeved on the inner ring of the driving pipe, an extension channel which is fixedly connected with the butt joint sleeve is arranged at one end of the driving rod extending out of the butt joint sleeve, an extension plate which is rotatably connected with the extension tube is arranged at the outer ring of the bottom of the driving pipe, a third driving unit which is fixedly connected with the butt joint sleeve is arranged at one end of the extension plate, the diameter of the inner ring of the butt joint sleeve is consistent with the outer diameter of the rod body and the outer diameter of the supporting sleeve, and the diameter of the main joint sleeve is consistent with the outer diameter of the main pipe and the main pipe.
4. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 3, wherein a limiting block is fixedly connected to the top of one end of the driving rod extending into the driving pipe, and the limiting block and the inner ring cross section of the driving pipe are consistent and have regular polygon structures.
5. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 1, wherein the lifting locking mechanism comprises a support plate with a U-shaped structure, which is in sliding connection with the top of the partition plate, an opening of the support plate faces the conveying mechanism, a conveying belt II with an annular structure is arranged on the inner side of the support plate and arranged along the vertical direction, a lifting plate with a circular arc structure is fixedly connected with the outer circle of the conveying belt II, a conveying roller II which is rotatably sleeved with the conveying roller II is rotatably connected with the support plate, a motor III is arranged at one end of the conveying roller II, which extends out of the support plate, a driving unit IV fixedly connected with the partition plate is arranged at one end of the support plate, a support plate is arranged above the opening of one side, which is close to the conveying mechanism, of the support plate, extension rods fixedly connected with the support plate are fixedly connected with one ends of the support plate, and a locking plate with a circular arc structure fixedly connected with the support plate is arranged in the middle of the bottom between the two groups of extension rods.
6. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 1, wherein the length measurement mechanism comprises a rotating shaft which is rotationally connected with a partition plate, one end of the rotating shaft extending out of the top of the partition plate is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a bracket with a U-shaped structure, a winding roller is rotationally connected inside the bracket, one end of the winding roller is fixedly connected with a movable joint which is rotationally connected with the bracket, the movable joint is connected with a conveying cable which is connected with a measurement unit, the other side of the movable joint is fixedly connected with a fixed joint which is fixedly sleeved with the bracket, a guide plate is fixedly connected with an opening of the bracket, two groups of installation frames with the U-shaped structures which are sequentially arranged along the vertical direction are installed on one side of the guide plate, an outer ring of the installation frame is rotationally connected with a guide wheel, a camera fixedly connected with the bracket is penetrated by the guide plate, a channel for extending out of the conveying cable is wound on the outer ring of the winding roller, and one end of the winding roller extending out of the bracket is provided with a motor IV.
7. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 6, wherein the movable joint comprises an adapter plate rotatably connected with the bracket, a conductive ring of an annular structure uniformly arranged along the diameter direction of the adapter plate is inlaid on one side of the adapter plate, which is close to the fixed joint, conductive rods of L-shaped structures connected with the conveying cables are fixedly connected on one side of the conductive ring, which is far away from the fixed joint, the conveying cables comprise a protective sleeve fixedly connected with the adapter plate, a plurality of groups of connecting cables are arranged on the inner ring of the protective sleeve, the connecting cables are correspondingly connected with the adjacent conductive rods, and the movable joint is consistent with the fixed joint.
8. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 1, wherein the guiding part comprises an extension pipe with a circular arc structure fixedly connected with the box body, a switching cover shell with a U-shaped structure is fixedly connected at the opening of the extension pipe, a tensioning plate with a circular arc structure is fixedly connected at the inner ring of the extension pipe, and the tensioning plate is made of elastic materials.
9. The advanced detection and early warning device for water damage of coal mining roof under karst aquifer according to claim 3, wherein the two sides of the box body are fixedly connected with a U-shaped handle, the first driving unit adopts a linear module, the second driving unit, the third driving unit and the fourth driving unit adopt push rod motors, and the measuring unit comprises a camera, an ultrasonic receiver and an ultrasonic sensor which are arranged in the housing and fixedly connected with the rod body.
CN202410415030.2A 2024-04-08 2024-04-08 Advanced detection and early warning device for water damage of coal mining roof under karst aquifer Active CN118011521B (en)

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