CN116464512B - Optical fiber roof separation layer sensor - Google Patents
Optical fiber roof separation layer sensor Download PDFInfo
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- CN116464512B CN116464512B CN202310460943.1A CN202310460943A CN116464512B CN 116464512 B CN116464512 B CN 116464512B CN 202310460943 A CN202310460943 A CN 202310460943A CN 116464512 B CN116464512 B CN 116464512B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 35
- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 241000935974 Paralichthys dentatus Species 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber roof separation layer sensor which comprises a base, a supporting rod and a fluke device and is characterized in that the supporting rod is fixedly connected to the upper end of the base, the fluke device is connected to the upper end of the supporting rod through a plurality of steel wires, the fluke device comprises a shell, a clamping hook, an elastic mechanism, a locking mechanism and a detection mechanism, a plurality of grooves I are formed in the outer wall of the shell, and the clamping hook is movably connected to the grooves I through rotating shafts. The beneficial effects are that: the fluke device through setting up can make the fluke firm grasp in the base point department of roof, can make the fluke install and carry out the chucking to the base point inner wall when advancing the base point through the trip that sets up, make the fluke can not become flexible and drop, can make the trip can be according to the shape self-adaptation support of base point inner wall through the elasticity mechanism that sets up to make the fluke more firm after the installation.
Description
Technical Field
The invention relates to an optical fiber roof separation layer sensor.
Background
The roof separation instrument is a special monitoring instrument for monitoring the movement of roof strata. The roof separation instrument is also called as roof separation indicator, can effectively ensure the safe production of coal mine, and is developed in addition.
According to the strain type roof separation sensor based on the fiber bragg grating disclosed in the Chinese patent publication No. CN113639649A, the problems that the number of the battery and the digital display part of the separation layer instrument is increased, the explosion-proof consideration is additionally carried out due to strict explosion-proof requirements in a coal mine, an explosion-proof housing is increased, and due to the fact that electric signals are used for transmission, transmission loss among various signals is large, meanwhile, a wireless transmission module is used for transmitting collected data, a special data collection device is used for collecting the data, the number of the devices is increased, and the problems of cumbersome steps, heavy equipment and high cost are solved.
According to the above patent, the roof separation layer sensor is used by inserting the clamping hook into the hole, and the clamping hook falls off when the clamping hook is in the hole because the roof has obvious change, so that the roof separation layer value cannot be measured effectively.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The invention aims to provide an optical fiber roof separation layer sensor which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an optic fibre roof separation layer sensor includes base, bracing piece and fluke device, its characterized in that, the upper end fixedly connected with bracing piece of base, the upper end of bracing piece is connected with fluke device through a plurality of wire rope, fluke device includes casing, trip, elastic mechanism, locking mechanical system and detection mechanism, the outer wall of casing is provided with a plurality of recess one, all there is the trip through pivot swing joint in the recess one, the trip with be provided with elastic mechanism between the casing, be provided with detection mechanism in the elastic mechanism, the movable sleeve is equipped with the piston in the casing, the lower extreme of piston with wire rope fixed connection, the outer wall of piston is provided with a plurality of locking mechanical system, locking mechanical system with be provided with coupling mechanism between the trip.
Further, the elastic mechanism comprises a first limiting block, a second limiting block, a first connecting rod and a second connecting rod, the first limiting block is fixedly connected in the groove, the first connecting rod is fixedly connected to one side of the first limiting block through a rotating shaft, the second limiting block is fixedly connected to one side of the first groove, the second connecting rod is fixedly connected to one side of the second limiting block through a rotating shaft, the first connecting rod is far away from one end of the first limiting block, a first sliding groove is arranged in the first sliding groove, a baffle is arranged in the first sliding groove, a first spring is fixedly connected between the baffle and the first sliding groove, the third connecting rod is fixedly connected to one side of the baffle, and the third connecting rod is far away from one end of the baffle and the second connecting rod is fixedly connected.
Further, detection mechanism includes resistance tube and plectrum, fixedly connected with resistance tube in the spout is one, the circular slot has been seted up to the one end of connecting rod three, circular slot interior activity cover is equipped with the resistance tube, the opening part fixedly connected with plectrum of circular slot, the plectrum keep away from the one end of connecting rod three with the contact of resistance tube.
Further, the locking mechanism comprises a clamping block and a second spring, a plurality of second grooves are formed in the outer wall of the piston, second sliding grooves are formed in the lower ends of the second grooves, the clamping block is arranged in the second sliding grooves, and the second spring is fixedly connected between the clamping block and the second sliding grooves.
Further, coupling mechanism includes ejector pad and ejector pin, a plurality of spout III has been seted up to the inboard of casing, spout III all with recess one communicates, all slide in the spout III and be provided with the ejector pad, one side of ejector pad all with trip contact, the equal fixedly connected with ejector pin of opposite side of ejector pad, the ejector pin is kept away from the draw-in groove has been seted up to the one end of ejector pad and with the fixture block joint.
Further, one side of the base is fixedly connected with a communication pipe, and an optical fiber is arranged in the communication pipe.
Further, an optical fiber transceiver is fixedly connected in the base, and one side of the optical fiber transceiver is connected with the optical fiber.
Compared with the prior art, the invention has the following beneficial effects:
(1) The fluke device can enable the fluke to be firmly gripped at the base point of the top plate, the fluke can be clamped to the inner wall of the base point when being installed into the base point through the clamping hook, the fluke can not loose and fall off, the clamping hook can be self-adaptively supported according to the shape of the inner wall of the base point through the elastic mechanism, the fluke is firmer after being installed, the position of the fluke in the base point is changed when the top plate is changed through the detection mechanism, the gripping point of the clamping hook is changed, signals are transmitted through the detection mechanism, the clamping hook is locked when the fluke is not used through the locking mechanism, the clamping hook is prevented from being opened when not being used, the clamping hook can be separated from the limitation of the locking mechanism through the connecting mechanism, and the clamping hook can be expanded to be gripped on the inner wall of the base point conveniently through the position of the control piston.
(2) When the clamping hook breaks away from the limitation of the locking mechanism, the first connecting rod, the second connecting rod and the third connecting rod are arranged, the baffle is pushed by the first spring, the third connecting rod is pushed by the third connecting rod, the clamping hook is opened to grasp the inner wall of the base point, when the baffle is pushed by the first spring, the third connecting rod is moved by the third connecting rod, the resistor tube and the pulling sheet are moved by the pulling sheet, the resistance value of the resistor tube is changed, the current is changed, the grasping point of the clamping hook in the base point is changed when the top plate is changed, the position of the third connecting rod is changed, the pulling sheet is moved on the resistor tube, the current is fluctuated, and the change of the top plate is detected.
(3) When the piston moves, the connecting mechanism is separated from the clamping block, the clamping hook is pushed to move after being opened by the pushing of the first spring, when the piston resets, the connecting mechanism is pushed to move by the oblique side in the second groove, the clamping hook is pushed to reset the clamping hook, so that the anchor claw can be conveniently installed and dismounted, the connecting mechanism can be clamped through the clamping block and the second spring, the clamping hook is locked, the clamping hook can be prevented from being opened when the anchor claw is not used, the clamping hook is contacted with the clamping hook through the pushing block, the pushing block can be pushed to slide when the clamping hook is opened because of the first spring, so that the ejector rod slides into the second groove, and when the piston resets, the ejector rod can be pushed to drive the pushing block to push the clamping hook, and the clamping groove arranged at one end of the ejector rod can be clamped with the clamping block, so that the clamping hook is locked, and the clamping hook is prevented from being opened when the anchor claw is not installed.
(4) The signal of the roof separation layer sensor can be quickly transmitted through the arranged optical fiber, and the arranged optical fiber transceiver can exchange the twisted pair electrical signal with a short distance and the optical signal with a long distance, so that the signal transmission is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fiber optic roof separation sensor according to an embodiment of the invention;
FIG. 2 is a schematic view of the structure of a base in an optical fiber roof separation sensor according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the anchor claw device in the optical fiber roof separation sensor according to the embodiment of the invention;
fig. 4 is an enlarged view at a in fig. 3;
fig. 5 is an enlarged view at B in fig. 3.
Reference numerals:
1. a base; 2. a support rod; 3. fluke means; 4. a housing; 5. a hook; 6. an elastic mechanism; 7. a locking mechanism; 8. a detection mechanism; 9. a groove I; 10. a piston; 11. a connecting mechanism; 12. a first limiting block; 13. a second limiting block; 14. a first connecting rod; 15. a second connecting rod; 16. a first chute; 17. a baffle; 18. a first spring; 19. a third connecting rod; 20. a resistor tube; 21. a pulling piece; 22. a circular groove; 23. a clamping block; 24. a second spring; 25. a second groove; 26. a second chute; 27. a pushing block; 28. a push rod; 29. a chute III; 30. a communication tube; 31. an optical fiber; 32. an optical fiber transceiver.
Detailed Description
The invention is further described below with reference to the accompanying drawings and detailed description:
embodiment one:
referring to fig. 1-5, an optical fiber roof separation sensor according to an embodiment of the present invention includes a base 1, a supporting rod 2 and a fluke device 3, and is characterized in that the upper end of the base 1 is fixedly connected with the supporting rod 2, the upper end of the supporting rod 2 is connected with the fluke device 3 through a plurality of steel wires, the fluke device 3 can make the fluke firmly grasp at a base point of the roof, the fluke device 3 includes a housing 4, a hook 5, an elastic mechanism 6, a locking mechanism 7 and a detecting mechanism 8, the outer wall of the housing 4 is provided with a plurality of grooves one 9, the hook 5 is movably connected in the grooves one 9 through a rotating shaft, the fluke 5 can be fastened to the inner wall of the base point when the fluke is installed in the base point through the hook 5, an elastic mechanism 6 is arranged between the hook 5 and the housing 4, the hook 5 can be self-supported according to the shape of the inner wall of the base point, thereby making the fluke be more stable, after the fluke is installed, the detecting mechanism 7 is arranged in the detecting mechanism, the piston mechanism 7 is arranged in the piston mechanism 10 is fixedly connected with the outer wall of the housing 7 through the hook 5, the piston mechanism 10 is prevented from being opened, the piston mechanism is prevented from being changed by the piston mechanism 10 being arranged in the piston mechanism 7, the piston mechanism is prevented from being opened and the piston mechanism is changed by the piston mechanism is connected with the piston mechanism 7 by the piston mechanism 7, the connecting mechanism 11 can control the position of the piston 10 to enable the clamping hook 5 to be separated from the limit of the locking mechanism 7, so that the clamping hook 5 can be expanded to be convenient for grasping the inner wall of the base point.
According to the scheme, the fluke can be firmly gripped at the base point of the top plate through the arranged fluke device 3, the fluke can be tightly clamped to the inner wall of the base point when being installed into the base point through the arranged clamping hook 5, the fluke can not loose and fall off, the clamping hook 5 can be self-adaptively supported according to the shape of the inner wall of the base point through the arranged elastic mechanism 6, so that the fluke is firmer after the installation, when the top plate is changed, the position of the fluke in the base point changes through the arranged detection mechanism 8, so that the gripping point of the clamping hook 5 changes, signals are transmitted through the detection mechanism 8, the clamping hook 5 is locked when the fluke is not used through the arranged locking mechanism 7, the clamping hook 5 is prevented from being opened when not used, the clamping hook 5 can be separated from the limitation of the locking mechanism 7 through the position of the control piston 10 through the arranged connecting mechanism 11, and the clamping hook 5 is expanded so that the gripping point of the inner wall of the base point is convenient to grip.
Embodiment two:
referring to fig. 3 and 5, according to the embodiment of the invention, the optical fiber roof separation sensor comprises a first stopper 12, a second stopper 13, a first connecting rod 14 and a second connecting rod 15, wherein the first stopper 12 is fixedly connected in the first groove 9, the first connecting rod 14 is movably connected to one side of the first stopper 12 through a rotating shaft, the second stopper 13 is fixedly connected to one side of the hook 5, which is close to the first groove 9, the second connecting rod 15 is movably connected to one side of the second stopper 13 through a rotating shaft, a first sliding groove 16 is formed at one end of the first connecting rod 14, which is far from the first stopper 12, a baffle 17 is slidably arranged in the first sliding groove 16, a first spring 18 is fixedly connected between the baffle 17 and the first sliding groove 16, one side of the baffle 17 is fixedly connected with a third connecting rod 19, one end of the third connecting rod 19 is fixedly connected with the second connecting rod 15, when the hook 5 is separated from the limit of the locking mechanism 7, the first connecting rod 14, the second connecting rod 15 and the third connecting rod 19 are pushed by a spring 18, so that the third connecting rod 19 pushes the third connecting rod 17 pushes the second connecting rod 17, the third connecting rod 19 pushes the third connecting rod 15 to move the third connecting rod 19, and the third connecting rod 21 is provided with a circular tube 20, which is provided with a circular tube 21, a circular tube 20, a resistor 20 is connected to the third connecting rod 21, a resistor 20 is provided at one end of the third connecting rod 20, and a resistor 20 is connected to the resistor 20, and a resistor 20 is arranged at one-resistor 20, the resistance of the resistor 20 is changed, the current is changed, when the top plate is changed, the gripping point of the hook 5 in the base point is changed, the position of the connecting rod III 19 is changed, the poking piece 21 is moved on the resistor 20, the current is fluctuated, and the change of the top plate is detected.
According to the scheme, when the clamping hook 5 is separated from the limit of the locking mechanism 7, the baffle 17 is pushed by the spring I18, the connecting rod II 15 is pushed by the connecting rod III 19, so that the clamping hook 5 is opened to grasp the inner wall of the base point, when the baffle 17 is pushed by the spring I18, the connecting rod III 19 is moved by the resistor 20 and the pulling piece 21, the pulling piece 21 moves on the resistor 20, so that the resistance value of the resistor 20 is changed, the current is changed, when the top plate is changed, the grasping point of the clamping hook 5 in the base point is changed, so that the position of the connecting rod III 19 is changed, the pulling piece 21 moves on the resistor 20, the current is fluctuated, and the change of the top plate is detected.
Embodiment III:
referring to fig. 3-4, according to an embodiment of the present invention, the locking mechanism 7 includes a clamping block 23 and a second spring 24, the outer wall of the piston 10 is provided with a plurality of second grooves 25, when the piston 10 moves, the connecting mechanism 11 is separated from the clamping block 23 by the second grooves 25, the hook 5 pushes the connecting mechanism 11 to move after being opened under the pushing of the first spring 18, when the piston 10 resets, the connecting mechanism 11 is moved by pushing the connecting mechanism 11 by the oblique side in the second grooves 25, the hook 5 is pushed to reset the hook 5, thereby facilitating the installation and detachment of the fluke, a second chute 26 is provided at the lower end of the second grooves 25, the clamping block 23 is provided in the second chute 26, a second spring 24 is fixedly connected between the clamping block 23 and the second chute 26, and the connecting mechanism 11 can be clamped by the provided clamping block 23 and the second spring 24, the hook 5 is locked, so that the hook 5 can be prevented from being opened when the fluke is not used, the connecting mechanism 11 comprises a push block 27 and a push rod 28, a plurality of three sliding grooves 29 are formed in the inner side of the shell 4, the three sliding grooves 29 are communicated with the first groove 9, the three sliding grooves 29 are internally provided with the push block 27 in a sliding manner, one side of the push block 27 is contacted with the hook 5, the other side of the push block 27 is fixedly connected with the push rod 28, one end of the push rod 28 away from the push block 27 is provided with a clamping groove and is clamped with the clamping block 23, the push rod 28 is contacted with the hook 5 through the push block 27, when the hook 5 is opened due to the first spring 18, the push block 27 is extruded to slide, so that the push rod 28 slides into the second groove 25, and when the piston 10 is reset, the second groove 25 is extruded with the push rod 28 to drive the push rod 27 to extrude the hook 5, thereby resetting the hook 5, and the clamping groove arranged at one end of the ejector rod 28 can be clamped with the clamping block 23, so that the hook 5 is locked to avoid the opening of the hook 5 when the fluke is not installed.
According to the scheme, through the groove II 25, when the piston 10 moves, the connecting mechanism 11 is separated from the clamping block 23, the clamping hook 5 is pushed to move after being opened under the pushing of the spring I18, when the piston 10 resets, the connecting mechanism 11 is pushed to move through the bevel edge in the groove II 25, the clamping hook 5 is pushed to reset the clamping hook 5, so that the installation and the disassembly of the fluke can be facilitated, the connecting mechanism 11 can be clamped through the clamping block 23 and the spring II 24, the clamping hook 5 is locked, the clamping hook 5 can be prevented from being opened when the fluke is not used, the pushing block 27 is contacted with the clamping hook 5 through the pushing block 27, the push rod 28 slides into the groove II 25 when the clamping hook 5 is opened due to the spring I18, the push rod 28 is pushed to push the push rod 27 to push the clamping hook 5 when the piston 10 resets, the clamping hook 5 is reset, and the clamping groove arranged at one end of the push rod 28 can be clamped with the clamping block 23, so that the clamping hook 5 is prevented from being opened when the fluke is not installed.
Embodiment four:
referring to fig. 2, according to an embodiment of the present invention, a communication tube 30 is fixedly connected to one side of the base 1, an optical fiber 31 is disposed in the communication tube 30, signals of the top-plate separation sensor can be quickly transmitted through the disposed optical fiber 31, an optical fiber transceiver 32 is fixedly connected to the base 1, one side of the optical fiber transceiver 32 is connected to the optical fiber 31, and the disposed optical fiber transceiver 32 can exchange short-distance twisted pair electrical signals and long-distance optical signals, so that signal transmission is more accurate.
Through the scheme of the invention, the signals of the roof separation layer sensor can be quickly transmitted through the arranged optical fiber 31, and the arranged optical fiber transceiver 32 can exchange the short-distance twisted pair electrical signals and the long-distance optical signals, so that the signal transmission is more accurate.
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 (7)
1. The utility model provides an optic fibre roof separation layer sensor, includes base (1), bracing piece (2) and fluke device (3), a serial communication port, the upper end fixedly connected with bracing piece (2) of base (1), the upper end of bracing piece (2) is connected with fluke device (3) through a plurality of wire rope, fluke device (3) include casing (4), trip (5), elastic mechanism (6), locking mechanical system (7) and detection mechanism (8), the outer wall of casing (4) is provided with a plurality of recess one (9), all there is trip (5) through pivot swing joint in recess one (9), trip (5) with be provided with elastic mechanism (6) between casing (4), be provided with detection mechanism (8) in elastic mechanism (6), the interior movable sleeve of casing (4) is equipped with piston (10), the lower extreme of piston (10) with wire rope fixed connection, the outer wall of piston (10) is provided with a plurality of locking mechanical system (7), locking mechanical system (7) with between trip (5) and be provided with coupling mechanism (11).
2. The optical fiber roof separation sensor according to claim 1, wherein the elastic mechanism (6) comprises a first limiting block (12), a second limiting block (13), a first connecting rod (14) and a second connecting rod (15), the first limiting block (12) is fixedly connected in the first groove (9), the first connecting rod (14) is movably connected to one side of the first limiting block (12) through a rotating shaft, the second limiting block (13) is fixedly connected to one side of the hook (5) close to the first groove (9), the second connecting rod (15) is movably connected to one side of the second limiting block (13) through a rotating shaft, a first sliding groove (16) is formed in one end, far away from the first limiting block (12), of the first connecting rod (14), a first baffle (17) is arranged in the first sliding groove (16) in a sliding mode, a first spring (18) is fixedly connected between the first baffle (17) and the first sliding groove (16), a third connecting rod (19) is fixedly connected to one side of the third connecting rod (19), and one end, far away from the first baffle (17), of the second connecting rod (15) is fixedly connected to one end.
3. The optical fiber roof separation layer sensor according to claim 2, wherein the detection mechanism (8) comprises a resistor tube (20) and a poking piece (21), the resistor tube (20) is fixedly connected in the first sliding groove (16), a circular groove (22) is formed in one end of the third connecting rod (19), the resistor tube (20) is movably sleeved in the circular groove (22), the poking piece (21) is fixedly connected to the opening of the circular groove (22), and one end, far away from the third connecting rod (19), of the poking piece (21) is contacted with the resistor tube (20).
4. The optical fiber roof separation sensor according to claim 1, wherein the locking mechanism (7) comprises a clamping block (23) and a second spring (24), a plurality of second grooves (25) are formed in the outer wall of the piston (10), second sliding grooves (26) are formed in the lower ends of the second grooves (25), the clamping block (23) is arranged in the second sliding grooves (26), and the second spring (24) is fixedly connected between the clamping block (23) and the second sliding grooves (26).
5. The optical fiber roof separation sensor according to claim 4, wherein the connecting mechanism (11) comprises a push block (27) and a push rod (28), a plurality of three sliding grooves (29) are formed in the inner side of the shell (4), the three sliding grooves (29) are communicated with the first groove (9), the push block (27) is slidably arranged in the three sliding grooves (29), one side of the push block (27) is in contact with the clamping hook (5), the push rod (28) is fixedly connected to the other side of the push block (27), and a clamping groove is formed in one end, far away from the push block (27), of the push rod (28) and is clamped with the clamping block (23).
6. The optical fiber roof separation sensor according to claim 1, wherein a communication tube (30) is fixedly connected to one side of the base (1), and an optical fiber (31) is arranged in the communication tube (30).
7. The optical fiber roof separation sensor according to claim 6, wherein an optical fiber transceiver (32) is fixedly connected in the base (1), and one side of the optical fiber transceiver (32) is connected with the optical fiber (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310460943.1A CN116464512B (en) | 2023-04-26 | 2023-04-26 | Optical fiber roof separation layer sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310460943.1A CN116464512B (en) | 2023-04-26 | 2023-04-26 | Optical fiber roof separation layer sensor |
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| Publication Number | Publication Date |
|---|---|
| CN116464512A CN116464512A (en) | 2023-07-21 |
| CN116464512B true CN116464512B (en) | 2024-02-09 |
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| CN202310460943.1A Active CN116464512B (en) | 2023-04-26 | 2023-04-26 | Optical fiber roof separation layer sensor |
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| CN113390361A (en) * | 2020-06-12 | 2021-09-14 | 山东光安智能科技有限公司 | Mounting method of improved mining optical fiber roof separation sensor |
| CN216410120U (en) * | 2021-11-25 | 2022-04-29 | 锡林郭勒盟山金阿尔哈达矿业有限公司 | Mounting device of multipoint displacement meter |
| CN217681708U (en) * | 2021-07-23 | 2022-10-28 | 北京寰球奥泰国际石油技术有限公司 | Anchor fluke drilling tool stuck point indicator |
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2023
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|---|---|---|---|---|
| CN103759659A (en) * | 2014-01-27 | 2014-04-30 | 山东微感光电子有限公司 | Fiber bragg grating displacement sensor capable of conducting multi-point measurement |
| CN110454230A (en) * | 2019-08-30 | 2019-11-15 | 武汉科技大学 | A kind of real-time monitoring and prior-warning device of mine working roof delamination |
| CN210862462U (en) * | 2019-10-24 | 2020-06-26 | 山西高河能源有限公司 | Roof separation layer appearance |
| CN113390361A (en) * | 2020-06-12 | 2021-09-14 | 山东光安智能科技有限公司 | Mounting method of improved mining optical fiber roof separation sensor |
| CN213631983U (en) * | 2020-11-25 | 2021-07-06 | 山东方盈智能科技有限公司 | Optical fiber sensor for detecting roof separation displacement for mine |
| CN217681708U (en) * | 2021-07-23 | 2022-10-28 | 北京寰球奥泰国际石油技术有限公司 | Anchor fluke drilling tool stuck point indicator |
| CN216410120U (en) * | 2021-11-25 | 2022-04-29 | 锡林郭勒盟山金阿尔哈达矿业有限公司 | Mounting device of multipoint displacement meter |
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| CN116464512A (en) | 2023-07-21 |
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Denomination of invention: A fiber optic top plate delamination sensor Granted publication date: 20240209 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: JINAN FUSHEN XINGAN TECHNOLOGY Co.,Ltd. Registration number: Y2024980043547 |